MobileCydia.mm

   1 /* Cydia - iPhone UIKit Front-End for Debian APT
   2  * Copyright (C) 2008-2014  Jay Freeman (saurik)
   3 */
   4
   5 /* GNU General Public License, Version 3 {{{ */
   6 /*
   7  * Cydia is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published
   9  * by the Free Software Foundation, either version 3 of the License,
  10  * or (at your option) any later version.
  11  *
  12  * Cydia is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with Cydia.  If not, see <http://www.gnu.org/licenses/>.
  19 **/
  20 /* }}} */
  21
  22 // XXX: wtf/FastMalloc.h... wtf?
  23 #define USE_SYSTEM_MALLOC 1
  24
  25 /* #include Directives {{{ */
  26 #include "CyteKit/UCPlatform.h"
  27 #include "CyteKit/Localize.h"
  28
  29 #include <unicode/ustring.h>
  30 #include <unicode/utrans.h>
  31
  32 #include <objc/objc.h>
  33 #include <objc/runtime.h>
  34
  35 #include <CoreGraphics/CoreGraphics.h>
  36 #include <Foundation/Foundation.h>
  37
  38 #if 0
  39 #define DEPLOYMENT_TARGET_MACOSX 1
  40 #define CF_BUILDING_CF 1
  41 #include <CoreFoundation/CFInternal.h>
  42 #endif
  43
  44 #include <CoreFoundation/CFUniChar.h>
  45
  46 #include <SystemConfiguration/SystemConfiguration.h>
  47
  48 #include <UIKit/UIKit.h>
  49 #include "iPhonePrivate.h"
  50
  51 #include <IOKit/IOKitLib.h>
  52
  53 #include <QuartzCore/CALayer.h>
  54
  55 #include <WebCore/WebCoreThread.h>
  56 #include <WebKit/DOMHTMLIFrameElement.h>
  57
  58 #include <algorithm>
  59 #include <iomanip>
  60 #include <set>
  61 #include <sstream>
  62 #include <string>
  63
  64 #include <ext/stdio_filebuf.h>
  65
  66 #undef ABS
  67
  68 #include <apt-pkg/acquire.h>
  69 #include <apt-pkg/acquire-item.h>
  70 #include <apt-pkg/algorithms.h>
  71 #include <apt-pkg/cachefile.h>
  72 #include <apt-pkg/clean.h>
  73 #include <apt-pkg/configuration.h>
  74 #include <apt-pkg/debindexfile.h>
  75 #include <apt-pkg/debmetaindex.h>
  76 #include <apt-pkg/error.h>
  77 #include <apt-pkg/init.h>
  78 #include <apt-pkg/mmap.h>
  79 #include <apt-pkg/pkgrecords.h>
  80 #include <apt-pkg/sha1.h>
  81 #include <apt-pkg/sourcelist.h>
  82 #include <apt-pkg/sptr.h>
  83 #include <apt-pkg/strutl.h>
  84 #include <apt-pkg/tagfile.h>
  85
  86 #include <apr-1/apr_pools.h>
  87
  88 #include <sys/types.h>
  89 #include <sys/stat.h>
  90 #include <sys/sysctl.h>
  91 #include <sys/param.h>
  92 #include <sys/mount.h>
  93 #include <sys/reboot.h>
  94
  95 #include <fcntl.h>
  96 #include <notify.h>
  97 #include <dlfcn.h>
  98
  99 extern "C" {
 100 #include <mach-o/nlist.h>
 101 }
 102
 103 #include <cstdio>
 104 #include <cstdlib>
 105 #include <cstring>
 106
 107 #include <errno.h>
 108
 109 #include <Cytore.hpp>
 110 #include "Sources.h"
 111
 112 #include <CydiaSubstrate/CydiaSubstrate.h>
 113 #include "Menes/Menes.h"
 114
 115 #include "CyteKit/IndirectDelegate.h"
 116 #include "CyteKit/PerlCompatibleRegEx.hpp"
 117 #include "CyteKit/TableViewCell.h"
 118 #include "CyteKit/TabBarController.h"
 119 #include "CyteKit/WebScriptObject-Cyte.h"
 120 #include "CyteKit/WebViewController.h"
 121 #include "CyteKit/WebViewTableViewCell.h"
 122 #include "CyteKit/stringWithUTF8Bytes.h"
 123
 124 #include "Cydia/MIMEAddress.h"
 125 #include "Cydia/LoadingViewController.h"
 126 #include "Cydia/ProgressEvent.h"
 127
 128 #include "SDURLCache/SDURLCache.h"
 129 /* }}} */
 130
 131 /* Profiler {{{ */
 132 struct timeval _ltv;
 133 bool _itv;
 134
 135 #define _timestamp ({ \
 136     struct timeval tv; \
 137     gettimeofday(&tv, NULL); \
 138     tv.tv_sec * 1000000 + tv.tv_usec; \
 139 })
 140
 141 typedef std::vector<class ProfileTime *> TimeList;
 142 TimeList times_;
 143
 144 class ProfileTime {
 145   private:
 146     const char *name_;
 147     uint64_t total_;
 148     uint64_t count_;
 149
 150   public:
 151     ProfileTime(const char *name) :
 152         name_(name),
 153         total_(0)
 154     {
 155         times_.push_back(this);
 156     }
 157
 158     void AddTime(uint64_t time) {
 159         total_ += time;
 160         ++count_;
 161     }
 162
 163     void Print() {
 164         if (total_ != 0)
 165             std::cerr << std::setw(7) << count_ << ", " << std::setw(8) << total_ << " : " << name_ << std::endl;
 166         total_ = 0;
 167         count_ = 0;
 168     }
 169 };
 170
 171 class ProfileTimer {
 172   private:
 173     ProfileTime &time_;
 174     uint64_t start_;
 175
 176   public:
 177     ProfileTimer(ProfileTime &time) :
 178         time_(time),
 179         start_(_timestamp)
 180     {
 181     }
 182
 183     ~ProfileTimer() {
 184         time_.AddTime(_timestamp - start_);
 185     }
 186 };
 187
 188 void PrintTimes() {
 189     for (TimeList::const_iterator i(times_.begin()); i != times_.end(); ++i)
 190         (*i)->Print();
 191     std::cerr << "========" << std::endl;
 192 }
 193
 194 #define _profile(name) { \
 195     static ProfileTime name(#name); \
 196     ProfileTimer _ ## name(name);
 197
 198 #define _end }
 199 /* }}} */
 200
 201 // XXX: I hate clang. Apple: please get over your petty hatred of GPL and fix your gcc fork
 202 #define synchronized(lock) \
 203     synchronized(static_cast<NSObject *>(lock))
 204
 205 extern NSString *Cydia_;
 206
 207 #define lprintf(args...) fprintf(stderr, args)
 208
 209 #define ForRelease 1
 210 #define TraceLogging (1 && !ForRelease)
 211 #define HistogramInsertionSort (0 && !ForRelease)
 212 #define ProfileTimes (0 && !ForRelease)
 213 #define ForSaurik (0 && !ForRelease)
 214 #define LogBrowser (0 && !ForRelease)
 215 #define TrackResize (0 && !ForRelease)
 216 #define ManualRefresh (1 && !ForRelease)
 217 #define ShowInternals (0 && !ForRelease)
 218 #define AlwaysReload (0 && !ForRelease)
 219
 220 #if !TraceLogging
 221 #undef _trace
 222 #define _trace(args...)
 223 #endif
 224
 225 #if !ProfileTimes
 226 #undef _profile
 227 #define _profile(name) {
 228 #undef _end
 229 #define _end }
 230 #define PrintTimes() do {} while (false)
 231 #endif
 232
 233 // Hash Functions/Structures {{{
 234 extern "C" uint32_t hashlittle(const void *key, size_t length, uint32_t initval = 0);
 235
 236 union SplitHash {
 237     uint32_t u32;
 238     uint16_t u16[2];
 239 };
 240 // }}}
 241
 242 static void setreugid(uid_t uid, gid_t gid) {
 243     _assert(setreuid(uid, uid) != -1);
 244     _assert(setregid(gid, gid) != -1);
 245 }
 246
 247 static void setreguid(gid_t gid, uid_t uid) {
 248     _assert(setregid(gid, gid) != -1);
 249     _assert(setreuid(uid, uid) != -1);
 250 }
 251
 252 struct Root {
 253     Root() {
 254         _trace();
 255         setreugid(0, 0);
 256         _assert(pthread_setugid_np(0, 0) != -1);
 257         setreguid(501, 501);
 258     }
 259
 260     ~Root() {
 261         _trace();
 262         setreugid(0, 0);
 263         _assert(pthread_setugid_np(KAUTH_UID_NONE, KAUTH_GID_NONE) != -1);
 264         setreguid(501, 501);
 265     }
 266 };
 267
 268 #define _root(code) \
 269     ({ Root _root; code; })
 270
 271 static NSString *Colon_;
 272 NSString *Elision_;
 273 static NSString *Error_;
 274 static NSString *Warning_;
 275
 276 static NSString *Cache_;
 277 #define Cache(file) \
 278     [NSString stringWithFormat:@"%@/%s", Cache_, file]
 279
 280 static void (*$SBSSetInterceptsMenuButtonForever)(bool);
 281
 282 static CFStringRef (*$MGCopyAnswer)(CFStringRef);
 283
 284 static NSString *UniqueIdentifier(UIDevice *device = nil) {
 285     if (kCFCoreFoundationVersionNumber < 800) // iOS 7.x
 286         return [device ?: [UIDevice currentDevice] uniqueIdentifier];
 287     else
 288         return [(id)$MGCopyAnswer(CFSTR("UniqueDeviceID")) autorelease];
 289 }
 290
 291 static bool IsReachable(const char *name) {
 292     SCNetworkReachabilityFlags flags; {
 293         SCNetworkReachabilityRef reachability(SCNetworkReachabilityCreateWithName(kCFAllocatorDefault, name));
 294         SCNetworkReachabilityGetFlags(reachability, &flags);
 295         CFRelease(reachability);
 296     }
 297
 298     // XXX: this elaborate mess is what Apple is using to determine this? :(
 299     // XXX: do we care if the user has to intervene? maybe that's ok?
 300     return
 301         (flags & kSCNetworkReachabilityFlagsReachable) != 0 && (
 302             (flags & kSCNetworkReachabilityFlagsConnectionRequired) == 0 || (
 303                 (flags & kSCNetworkReachabilityFlagsConnectionOnDemand) != 0 ||
 304                 (flags & kSCNetworkReachabilityFlagsConnectionOnTraffic) != 0
 305             ) && (flags & kSCNetworkReachabilityFlagsInterventionRequired) == 0 ||
 306             (flags & kSCNetworkReachabilityFlagsIsWWAN) != 0
 307         )
 308     ;
 309 }
 310
 311 static const NSUInteger UIViewAutoresizingFlexibleBoth(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight);
 312
 313 static _finline NSString *CydiaURL(NSString *path) {
 314     char page[26];
 315     page[0] = 'h'; page[1] = 't'; page[2] = 't'; page[3] = 'p'; page[4] = 's';
 316     page[5] = ':'; page[6] = '/'; page[7] = '/'; page[8] = 'c'; page[9] = 'y';
 317     page[10] = 'd'; page[11] = 'i'; page[12] = 'a'; page[13] = '.'; page[14] = 's';
 318     page[15] = 'a'; page[16] = 'u'; page[17] = 'r'; page[18] = 'i'; page[19] = 'k';
 319     page[20] = '.'; page[21] = 'c'; page[22] = 'o'; page[23] = 'm'; page[24] = '/';
 320     page[25] = '\0';
 321     return [[NSString stringWithUTF8String:page] stringByAppendingString:path];
 322 }
 323
 324 static void ReapZombie(pid_t pid) {
 325     int status;
 326   wait:
 327     if (waitpid(pid, &status, 0) == -1)
 328         if (errno == EINTR)
 329             goto wait;
 330         else _assert(false);
 331 }
 332
 333 static _finline void UpdateExternalStatus(uint64_t newStatus) {
 334     int notify_token;
 335     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
 336         notify_set_state(notify_token, newStatus);
 337         notify_cancel(notify_token);
 338     }
 339     notify_post("com.saurik.Cydia.status");
 340 }
 341
 342 static CGFloat CYStatusBarHeight() {
 343     CGSize size([[UIApplication sharedApplication] statusBarFrame].size);
 344     return UIInterfaceOrientationIsPortrait([[UIApplication sharedApplication] statusBarOrientation]) ? size.height : size.width;
 345 }
 346
 347 /* NSForcedOrderingSearch doesn't work on the iPhone */
 348 static const NSStringCompareOptions MatchCompareOptions_ = NSLiteralSearch | NSCaseInsensitiveSearch;
 349 static const NSStringCompareOptions LaxCompareOptions_ = NSNumericSearch | NSDiacriticInsensitiveSearch | NSWidthInsensitiveSearch | NSCaseInsensitiveSearch;
 350 static const CFStringCompareFlags LaxCompareFlags_ = kCFCompareNumerically | kCFCompareWidthInsensitive | kCFCompareForcedOrdering;
 351
 352 /* Insertion Sort {{{ */
 353
 354 CFIndex SKBSearch_(const void *element, CFIndex elementSize, const void *list, CFIndex count, CFComparatorFunction comparator, void *context) {
 355     const char *ptr = (const char *)list;
 356     while (0 < count) {
 357         CFIndex half = count / 2;
 358         const char *probe = ptr + elementSize * half;
 359         CFComparisonResult cr = comparator(element, probe, context);
 360     if (0 == cr) return (probe - (const char *)list) / elementSize;
 361         ptr = (cr < 0) ? ptr : probe + elementSize;
 362         count = (cr < 0) ? half : (half + (count & 1) - 1);
 363     }
 364     return (ptr - (const char *)list) / elementSize;
 365 }
 366
 367 CFIndex CFBSearch_(const void *element, CFIndex elementSize, const void *list, CFIndex count, CFComparatorFunction comparator, void *context) {
 368     const char *ptr = (const char *)list;
 369     while (0 < count) {
 370         CFIndex half = count / 2;
 371         const char *probe = ptr + elementSize * half;
 372         CFComparisonResult cr = comparator(element, probe, context);
 373     if (0 == cr) return (probe - (const char *)list) / elementSize;
 374         ptr = (cr < 0) ? ptr : probe + elementSize;
 375         count = (cr < 0) ? half : (half + (count & 1) - 1);
 376     }
 377     return (ptr - (const char *)list) / elementSize;
 378 }
 379
 380 void CFArrayInsertionSortValues(CFMutableArrayRef array, CFRange range, CFComparatorFunction comparator, void *context) {
 381     if (range.length == 0)
 382         return;
 383     const void **values(new const void *[range.length]);
 384     CFArrayGetValues(array, range, values);
 385
 386 #if HistogramInsertionSort > 0
 387     uint32_t total(0), *offsets(new uint32_t[range.length]);
 388 #endif
 389
 390     for (CFIndex index(1); index != range.length; ++index) {
 391         const void *value(values[index]);
 392         //CFIndex correct(SKBSearch_(&value, sizeof(const void *), values, index, comparator, context));
 393         CFIndex correct(index);
 394         while (comparator(value, values[correct - 1], context) == kCFCompareLessThan) {
 395 #if HistogramInsertionSort > 1
 396             NSLog(@"%@ < %@", value, values[correct - 1]);
 397 #endif
 398             if (--correct == 0)
 399                 break;
 400         }
 401         if (correct != index) {
 402             size_t offset(index - correct);
 403 #if HistogramInsertionSort
 404             total += offset;
 405             ++offsets[offset];
 406             if (offset > 10)
 407                 NSLog(@"Heavy Insertion Displacement: %u = %@", offset, value);
 408 #endif
 409             memmove(values + correct + 1, values + correct, sizeof(const void *) * offset);
 410             values[correct] = value;
 411         }
 412     }
 413
 414     CFArrayReplaceValues(array, range, values, range.length);
 415     delete [] values;
 416
 417 #if HistogramInsertionSort > 0
 418     for (CFIndex index(0); index != range.length; ++index)
 419         if (offsets[index] != 0)
 420             NSLog(@"Insertion Displacement [%u]: %u", index, offsets[index]);
 421     NSLog(@"Average Insertion Displacement: %f", double(total) / range.length);
 422     delete [] offsets;
 423 #endif
 424 }
 425
 426 /* }}} */
 427
 428 /* Apple Bug Fixes {{{ */
 429 @implementation UIWebDocumentView (Cydia)
 430
 431 - (void) _setScrollerOffset:(CGPoint)offset {
 432     UIScroller *scroller([self _scroller]);
 433
 434     CGSize size([scroller contentSize]);
 435     CGSize bounds([scroller bounds].size);
 436
 437     CGPoint max;
 438     max.x = size.width - bounds.width;
 439     max.y = size.height - bounds.height;
 440
 441     // wtf Apple?!
 442     if (max.x < 0)
 443         max.x = 0;
 444     if (max.y < 0)
 445         max.y = 0;
 446
 447     offset.x = offset.x < 0 ? 0 : offset.x > max.x ? max.x : offset.x;
 448     offset.y = offset.y < 0 ? 0 : offset.y > max.y ? max.y : offset.y;
 449
 450     [scroller setOffset:offset];
 451 }
 452
 453 @end
 454 /* }}} */
 455
 456 NSUInteger DOMNodeList$countByEnumeratingWithState$objects$count$(DOMNodeList *self, SEL sel, NSFastEnumerationState *state, id *objects, NSUInteger count) {
 457     size_t length([self length] - state->state);
 458     if (length <= 0)
 459         return 0;
 460     else if (length > count)
 461         length = count;
 462     for (size_t i(0); i != length; ++i)
 463         objects[i] = [self item:state->state++];
 464     state->itemsPtr = objects;
 465     state->mutationsPtr = (unsigned long *) self;
 466     return length;
 467 }
 468
 469 /* Cydia NSString Additions {{{ */
 470 @interface NSString (Cydia)
 471 - (NSComparisonResult) compareByPath:(NSString *)other;
 472 - (NSString *) stringByAddingPercentEscapesIncludingReserved;
 473 @end
 474
 475 @implementation NSString (Cydia)
 476
 477 - (NSComparisonResult) compareByPath:(NSString *)other {
 478     NSString *prefix = [self commonPrefixWithString:other options:0];
 479     size_t length = [prefix length];
 480
 481     NSRange lrange = NSMakeRange(length, [self length] - length);
 482     NSRange rrange = NSMakeRange(length, [other length] - length);
 483
 484     lrange = [self rangeOfString:@"/" options:0 range:lrange];
 485     rrange = [other rangeOfString:@"/" options:0 range:rrange];
 486
 487     NSComparisonResult value;
 488
 489     if (lrange.location == NSNotFound && rrange.location == NSNotFound)
 490         value = NSOrderedSame;
 491     else if (lrange.location == NSNotFound)
 492         value = NSOrderedAscending;
 493     else if (rrange.location == NSNotFound)
 494         value = NSOrderedDescending;
 495     else
 496         value = NSOrderedSame;
 497
 498     NSString *lpath = lrange.location == NSNotFound ? [self substringFromIndex:length] :
 499         [self substringWithRange:NSMakeRange(length, lrange.location - length)];
 500     NSString *rpath = rrange.location == NSNotFound ? [other substringFromIndex:length] :
 501         [other substringWithRange:NSMakeRange(length, rrange.location - length)];
 502
 503     NSComparisonResult result = [lpath compare:rpath];
 504     return result == NSOrderedSame ? value : result;
 505 }
 506
 507 - (NSString *) stringByAddingPercentEscapesIncludingReserved {
 508     return [(id)CFURLCreateStringByAddingPercentEscapes(
 509         kCFAllocatorDefault,
 510         (CFStringRef) self,
 511         NULL,
 512         CFSTR(";/?:@&=+$,"),
 513         kCFStringEncodingUTF8
 514     ) autorelease];
 515 }
 516
 517 @end
 518 /* }}} */
 519
 520 /* C++ NSString Wrapper Cache {{{ */
 521 static _finline CFStringRef CYStringCreate(const char *data, size_t size) {
 522     return size == 0 ? NULL :
 523         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingUTF8, NO, kCFAllocatorNull) ?:
 524         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingISOLatin1, NO, kCFAllocatorNull);
 525 }
 526
 527 static _finline CFStringRef CYStringCreate(const char *data) {
 528     return CYStringCreate(data, strlen(data));
 529 }
 530
 531 class CYString {
 532   private:
 533     char *data_;
 534     size_t size_;
 535     CFStringRef cache_;
 536
 537     _finline void clear_() {
 538         if (cache_ != NULL) {
 539             CFRelease(cache_);
 540             cache_ = NULL;
 541         }
 542     }
 543
 544   public:
 545     _finline bool empty() const {
 546         return size_ == 0;
 547     }
 548
 549     _finline size_t size() const {
 550         return size_;
 551     }
 552
 553     _finline char *data() const {
 554         return data_;
 555     }
 556
 557     _finline void clear() {
 558         size_ = 0;
 559         clear_();
 560     }
 561
 562     _finline CYString() :
 563         data_(0),
 564         size_(0),
 565         cache_(NULL)
 566     {
 567     }
 568
 569     _finline ~CYString() {
 570         clear_();
 571     }
 572
 573     void operator =(const CYString &rhs) {
 574         data_ = rhs.data_;
 575         size_ = rhs.size_;
 576
 577         if (rhs.cache_ == nil)
 578             cache_ = NULL;
 579         else
 580             cache_ = reinterpret_cast<CFStringRef>(CFRetain(rhs.cache_));
 581     }
 582
 583     void copy(apr_pool_t *pool) {
 584         char *temp(reinterpret_cast<char *>(apr_palloc(pool, size_ + 1)));
 585         memcpy(temp, data_, size_);
 586         temp[size_] = '\0';
 587         data_ = temp;
 588     }
 589
 590     void set(apr_pool_t *pool, const char *data, size_t size) {
 591         if (size == 0)
 592             clear();
 593         else {
 594             clear_();
 595
 596             data_ = const_cast<char *>(data);
 597             size_ = size;
 598
 599             if (pool != NULL)
 600                 copy(pool);
 601         }
 602     }
 603
 604     _finline void set(apr_pool_t *pool, const char *data) {
 605         set(pool, data, data == NULL ? 0 : strlen(data));
 606     }
 607
 608     _finline void set(apr_pool_t *pool, const std::string &rhs) {
 609         set(pool, rhs.data(), rhs.size());
 610     }
 611
 612     bool operator ==(const CYString &rhs) const {
 613         return size_ == rhs.size_ && memcmp(data_, rhs.data_, size_) == 0;
 614     }
 615
 616     _finline operator CFStringRef() {
 617         if (cache_ == NULL)
 618             cache_ = CYStringCreate(data_, size_);
 619         return cache_;
 620     }
 621
 622     _finline operator id() {
 623         return (NSString *) static_cast<CFStringRef>(*this);
 624     }
 625
 626     _finline operator const char *() {
 627         return reinterpret_cast<const char *>(data_);
 628     }
 629 };
 630 /* }}} */
 631 /* C++ NSString Algorithm Adapters {{{ */
 632 extern "C" {
 633     CF_EXPORT CFHashCode CFStringHashNSString(CFStringRef str);
 634 }
 635
 636 struct NSStringMapHash :
 637     std::unary_function<NSString *, size_t>
 638 {
 639     _finline size_t operator ()(NSString *value) const {
 640         return CFStringHashNSString((CFStringRef) value);
 641     }
 642 };
 643
 644 struct NSStringMapLess :
 645     std::binary_function<NSString *, NSString *, bool>
 646 {
 647     _finline bool operator ()(NSString *lhs, NSString *rhs) const {
 648         return [lhs compare:rhs] == NSOrderedAscending;
 649     }
 650 };
 651
 652 struct NSStringMapEqual :
 653     std::binary_function<NSString *, NSString *, bool>
 654 {
 655     _finline bool operator ()(NSString *lhs, NSString *rhs) const {
 656         return CFStringCompare((CFStringRef) lhs, (CFStringRef) rhs, 0) == kCFCompareEqualTo;
 657         //CFEqual((CFTypeRef) lhs, (CFTypeRef) rhs);
 658         //[lhs isEqualToString:rhs];
 659     }
 660 };
 661 /* }}} */
 662
 663 /* CoreGraphics Primitives {{{ */
 664 class CYColor {
 665   private:
 666     CGColorRef color_;
 667
 668     static CGColorRef Create_(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
 669         CGFloat color[] = {red, green, blue, alpha};
 670         return CGColorCreate(space, color);
 671     }
 672
 673   public:
 674     CYColor() :
 675         color_(NULL)
 676     {
 677     }
 678
 679     CYColor(CGColorSpaceRef space, float red, float green, float blue, float alpha) :
 680         color_(Create_(space, red, green, blue, alpha))
 681     {
 682         Set(space, red, green, blue, alpha);
 683     }
 684
 685     void Clear() {
 686         if (color_ != NULL)
 687             CGColorRelease(color_);
 688     }
 689
 690     ~CYColor() {
 691         Clear();
 692     }
 693
 694     void Set(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
 695         Clear();
 696         color_ = Create_(space, red, green, blue, alpha);
 697     }
 698
 699     operator CGColorRef() {
 700         return color_;
 701     }
 702 };
 703 /* }}} */
 704
 705 /* Random Global Variables {{{ */
 706 static int PulseInterval_ = 500000;
 707
 708 static const NSString *UI_;
 709
 710 static int Finish_;
 711 static bool RestartSubstrate_;
 712 static bool UpgradeCydia_;
 713 static NSArray *Finishes_;
 714
 715 #define SpringBoard_ "/System/Library/LaunchDaemons/com.apple.SpringBoard.plist"
 716 #define NotifyConfig_ "/etc/notify.conf"
 717
 718 static bool Queuing_;
 719
 720 static CYColor Blue_;
 721 static CYColor Blueish_;
 722 static CYColor Black_;
 723 static CYColor Folder_;
 724 static CYColor Off_;
 725 static CYColor White_;
 726 static CYColor Gray_;
 727 static CYColor Green_;
 728 static CYColor Purple_;
 729 static CYColor Purplish_;
 730
 731 static UIColor *InstallingColor_;
 732 static UIColor *RemovingColor_;
 733
 734 static NSString *App_;
 735
 736 static BOOL Advanced_;
 737 static BOOL Ignored_;
 738
 739 static _H<UIFont> Font12_;
 740 static _H<UIFont> Font12Bold_;
 741 static _H<UIFont> Font14_;
 742 static _H<UIFont> Font18_;
 743 static _H<UIFont> Font18Bold_;
 744 static _H<UIFont> Font22Bold_;
 745
 746 static const char *Machine_ = NULL;
 747 static _H<NSString> System_;
 748 static NSString *SerialNumber_ = nil;
 749 static NSString *ChipID_ = nil;
 750 static NSString *BBSNum_ = nil;
 751 static _H<NSString> Token_;
 752 static _H<NSString> UniqueID_;
 753 static _H<NSString> UserAgent_;
 754 static _H<NSString> Product_;
 755 static _H<NSString> Safari_;
 756
 757 static _H<NSLocale> CollationLocale_;
 758 static _H<NSArray> CollationThumbs_;
 759 static std::vector<NSInteger> CollationOffset_;
 760 static _H<NSArray> CollationTitles_;
 761 static _H<NSArray> CollationStarts_;
 762 static UTransliterator *CollationTransl_;
 763 //static Function<NSString *, NSString *> CollationModify_;
 764
 765 typedef std::basic_string<UChar> ustring;
 766 static ustring CollationString_;
 767
 768 #define CUC const ustring &str(*reinterpret_cast<const ustring *>(rep))
 769 #define UC ustring &str(*reinterpret_cast<ustring *>(rep))
 770 static struct UReplaceableCallbacks CollationUCalls_ = {
 771     .length = [](const UReplaceable *rep) -> int32_t { CUC;
 772         return str.size();
 773     },
 774
 775     .charAt = [](const UReplaceable *rep, int32_t offset) -> UChar { CUC;
 776         //fprintf(stderr, "charAt(%d) : %d\n", offset, str.size());
 777         if (offset >= str.size())
 778             return 0xffff;
 779         return str[offset];
 780     },
 781
 782     .char32At = [](const UReplaceable *rep, int32_t offset) -> UChar32 { CUC;
 783         //fprintf(stderr, "char32At(%d) : %d\n", offset, str.size());
 784         if (offset >= str.size())
 785             return 0xffff;
 786         UChar32 c;
 787         U16_GET(str.data(), 0, offset, str.size(), c);
 788         return c;
 789     },
 790
 791     .replace = [](UReplaceable *rep, int32_t start, int32_t limit, const UChar *text, int32_t length) -> void { UC;
 792         //fprintf(stderr, "replace(%d, %d, %d) : %d\n", start, limit, length, str.size());
 793         str.replace(start, limit - start, text, length);
 794     },
 795
 796     .extract = [](UReplaceable *rep, int32_t start, int32_t limit, UChar *dst) -> void { UC;
 797         //fprintf(stderr, "extract(%d, %d) : %d\n", start, limit, str.size());
 798         str.copy(dst, limit - start, start);
 799     },
 800
 801     .copy = [](UReplaceable *rep, int32_t start, int32_t limit, int32_t dest) -> void { UC;
 802         //fprintf(stderr, "copy(%d, %d, %d) : %d\n", start, limit, dest, str.size());
 803         str.replace(dest, 0, str, start, limit - start);
 804     },
 805 };
 806
 807 static CFLocaleRef Locale_;
 808 static NSArray *Languages_;
 809 static CGColorSpaceRef space_;
 810
 811 static NSDictionary *SectionMap_;
 812 static NSMutableDictionary *Metadata_;
 813 static _transient NSMutableDictionary *Settings_;
 814 static _transient NSMutableDictionary *Packages_;
 815 static _transient NSMutableDictionary *Values_;
 816 static _transient NSMutableDictionary *Sections_;
 817 _H<NSMutableDictionary> Sources_;
 818 static _transient NSNumber *Version_;
 819 bool Changed_;
 820 static time_t now_;
 821
 822 bool IsWildcat_;
 823 CGFloat ScreenScale_;
 824 static NSString *Idiom_;
 825 static _H<NSString> Firmware_;
 826 static NSString *Major_;
 827
 828 static _H<NSMutableDictionary> SessionData_;
 829 static _H<NSObject> HostConfig_;
 830 static _H<NSMutableSet> BridgedHosts_;
 831 static _H<NSMutableSet> TokenHosts_;
 832 static _H<NSMutableSet> InsecureHosts_;
 833 static _H<NSMutableSet> PipelinedHosts_;
 834 static _H<NSMutableSet> CachedURLs_;
 835
 836 static NSString *kCydiaProgressEventTypeError = @"Error";
 837 static NSString *kCydiaProgressEventTypeInformation = @"Information";
 838 static NSString *kCydiaProgressEventTypeStatus = @"Status";
 839 static NSString *kCydiaProgressEventTypeWarning = @"Warning";
 840 /* }}} */
 841
 842 /* Display Helpers {{{ */
 843 inline float Interpolate(float begin, float end, float fraction) {
 844     return (end - begin) * fraction + begin;
 845 }
 846
 847 static inline double Retina(double value) {
 848     value *= ScreenScale_;
 849     value = round(value);
 850     value /= ScreenScale_;
 851     return value;
 852 }
 853
 854 static inline CGRect Retina(CGRect value) {
 855     value.origin.x *= ScreenScale_;
 856     value.origin.y *= ScreenScale_;
 857     value.size.width *= ScreenScale_;
 858     value.size.height *= ScreenScale_;
 859     value = CGRectIntegral(value);
 860     value.origin.x /= ScreenScale_;
 861     value.origin.y /= ScreenScale_;
 862     value.size.width /= ScreenScale_;
 863     value.size.height /= ScreenScale_;
 864     return value;
 865 }
 866
 867 static _finline const char *StripVersion_(const char *version) {
 868     const char *colon(strchr(version, ':'));
 869     return colon == NULL ? version : colon + 1;
 870 }
 871
 872 NSString *LocalizeSection(NSString *section) {
 873     static Pcre title_r("^(.*?) \\((.*)\\)$");
 874     if (title_r(section)) {
 875         NSString *parent(title_r[1]);
 876         NSString *child(title_r[2]);
 877
 878         return [NSString stringWithFormat:UCLocalize("PARENTHETICAL"),
 879             LocalizeSection(parent),
 880             LocalizeSection(child)
 881         ];
 882     }
 883
 884     return [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
 885 }
 886
 887 NSString *Simplify(NSString *title) {
 888     const char *data = [title UTF8String];
 889     size_t size = [title lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
 890
 891     static Pcre square_r("^\\[(.*)\\]$");
 892     if (square_r(data, size))
 893         return Simplify(square_r[1]);
 894
 895     static Pcre paren_r("^\\((.*)\\)$");
 896     if (paren_r(data, size))
 897         return Simplify(paren_r[1]);
 898
 899     static Pcre title_r("^(.*?) \\((.*)\\)$");
 900     if (title_r(data, size))
 901         return Simplify(title_r[1]);
 902
 903     return title;
 904 }
 905 /* }}} */
 906
 907 NSString *GetLastUpdate() {
 908     NSDate *update = [Metadata_ objectForKey:@"LastUpdate"];
 909
 910     if (update == nil)
 911         return UCLocalize("NEVER_OR_UNKNOWN");
 912
 913     CFDateFormatterRef formatter = CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle);
 914     CFStringRef formatted = CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) update);
 915
 916     CFRelease(formatter);
 917
 918     return [(NSString *) formatted autorelease];
 919 }
 920
 921 bool isSectionVisible(NSString *section) {
 922     NSDictionary *metadata([Sections_ objectForKey:(section ?: @"")]);
 923     NSNumber *hidden(metadata == nil ? nil : [metadata objectForKey:@"Hidden"]);
 924     return hidden == nil || ![hidden boolValue];
 925 }
 926
 927 static NSObject *CYIOGetValue(const char *path, NSString *property) {
 928     io_registry_entry_t entry(IORegistryEntryFromPath(kIOMasterPortDefault, path));
 929     if (entry == MACH_PORT_NULL)
 930         return nil;
 931
 932     CFTypeRef value(IORegistryEntryCreateCFProperty(entry, (CFStringRef) property, kCFAllocatorDefault, 0));
 933     IOObjectRelease(entry);
 934
 935     if (value == NULL)
 936         return nil;
 937     return [(id) value autorelease];
 938 }
 939
 940 static NSString *CYHex(NSData *data, bool reverse = false) {
 941     if (data == nil)
 942         return nil;
 943
 944     size_t length([data length]);
 945     uint8_t bytes[length];
 946     [data getBytes:bytes];
 947
 948     char string[length * 2 + 1];
 949     for (size_t i(0); i != length; ++i)
 950         sprintf(string + i * 2, "%.2x", bytes[reverse ? length - i - 1 : i]);
 951
 952     return [NSString stringWithUTF8String:string];
 953 }
 954
 955 @class Cydia;
 956
 957 /* Delegate Prototypes {{{ */
 958 @class Package;
 959 @class Source;
 960 @class CydiaProgressEvent;
 961
 962 @protocol DatabaseDelegate
 963 - (void) repairWithSelector:(SEL)selector;
 964 - (void) setConfigurationData:(NSString *)data;
 965 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task;
 966 @end
 967
 968 @class CYPackageController;
 969
 970 @protocol SourceDelegate
 971 - (void) setFetch:(NSNumber *)fetch;
 972 @end
 973
 974 @protocol FetchDelegate
 975 - (bool) isSourceCancelled;
 976 - (void) startSourceFetch:(NSString *)uri;
 977 - (void) stopSourceFetch:(NSString *)uri;
 978 @end
 979
 980 @protocol CydiaDelegate
 981 - (void) returnToCydia;
 982 - (void) saveState;
 983 - (void) retainNetworkActivityIndicator;
 984 - (void) releaseNetworkActivityIndicator;
 985 - (void) clearPackage:(Package *)package;
 986 - (void) installPackage:(Package *)package;
 987 - (void) installPackages:(NSArray *)packages;
 988 - (void) removePackage:(Package *)package;
 989 - (void) beginUpdate;
 990 - (BOOL) updating;
 991 - (bool) requestUpdate;
 992 - (void) distUpgrade;
 993 - (void) loadData;
 994 - (void) updateData;
 995 - (void) _saveConfig;
 996 - (void) syncData;
 997 - (void) addSource:(NSDictionary *)source;
 998 - (void) addTrivialSource:(NSString *)href;
 999 - (UIProgressHUD *) addProgressHUD;
1000 - (void) removeProgressHUD:(UIProgressHUD *)hud;
1001 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item;
1002 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
1003 @end
1004 /* }}} */
1005
1006 /* CancelStatus {{{ */
1007 class CancelStatus :
1008     public pkgAcquireStatus
1009 {
1010   private:
1011     bool cancelled_;
1012
1013   public:
1014     CancelStatus() :
1015         cancelled_(false)
1016     {
1017     }
1018
1019     virtual bool MediaChange(std::string media, std::string drive) {
1020         return false;
1021     }
1022
1023     virtual void IMSHit(pkgAcquire::ItemDesc &desc) {
1024         Done(desc);
1025     }
1026
1027     virtual bool Pulse_(pkgAcquire *Owner) = 0;
1028
1029     virtual bool Pulse(pkgAcquire *Owner) {
1030         if (pkgAcquireStatus::Pulse(Owner) && Pulse_(Owner))
1031             return true;
1032         else {
1033             cancelled_ = true;
1034             return false;
1035         }
1036     }
1037
1038     _finline bool WasCancelled() const {
1039         return cancelled_;
1040     }
1041 };
1042 /* }}} */
1043 /* DelegateStatus {{{ */
1044 class CydiaStatus :
1045     public CancelStatus
1046 {
1047   private:
1048     _transient NSObject<ProgressDelegate> *delegate_;
1049
1050   public:
1051     CydiaStatus() :
1052         delegate_(nil)
1053     {
1054     }
1055
1056     void setDelegate(NSObject<ProgressDelegate> *delegate) {
1057         delegate_ = delegate;
1058     }
1059
1060     virtual void Fetch(pkgAcquire::ItemDesc &desc) {
1061         NSString *name([NSString stringWithUTF8String:desc.ShortDesc.c_str()]);
1062         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithFormat:UCLocalize("DOWNLOADING_"), name] ofType:kCydiaProgressEventTypeStatus forItemDesc:desc]);
1063         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
1064     }
1065
1066     virtual void Done(pkgAcquire::ItemDesc &desc) {
1067         NSString *name([NSString stringWithUTF8String:desc.ShortDesc.c_str()]);
1068         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithFormat:Colon_, UCLocalize("DONE"), name] ofType:kCydiaProgressEventTypeStatus forItemDesc:desc]);
1069         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
1070     }
1071
1072     virtual void Fail(pkgAcquire::ItemDesc &desc) {
1073         if (
1074             desc.Owner->Status == pkgAcquire::Item::StatIdle ||
1075             desc.Owner->Status == pkgAcquire::Item::StatDone
1076         )
1077             return;
1078
1079         std::string &error(desc.Owner->ErrorText);
1080         if (error.empty())
1081             return;
1082
1083         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:kCydiaProgressEventTypeError forItemDesc:desc]);
1084         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
1085     }
1086
1087     virtual bool Pulse_(pkgAcquire *Owner) {
1088         double percent(
1089             double(CurrentBytes + CurrentItems) /
1090             double(TotalBytes + TotalItems)
1091         );
1092
1093         [delegate_ performSelectorOnMainThread:@selector(setProgressStatus:) withObject:[NSDictionary dictionaryWithObjectsAndKeys:
1094             [NSNumber numberWithDouble:percent], @"Percent",
1095
1096             [NSNumber numberWithDouble:CurrentBytes], @"Current",
1097             [NSNumber numberWithDouble:TotalBytes], @"Total",
1098             [NSNumber numberWithDouble:CurrentCPS], @"Speed",
1099         nil] waitUntilDone:YES];
1100
1101         return ![delegate_ isProgressCancelled];
1102     }
1103
1104     virtual void Start() {
1105         pkgAcquireStatus::Start();
1106         [delegate_ performSelectorOnMainThread:@selector(setProgressCancellable:) withObject:[NSNumber numberWithBool:YES] waitUntilDone:YES];
1107     }
1108
1109     virtual void Stop() {
1110         pkgAcquireStatus::Stop();
1111         [delegate_ performSelectorOnMainThread:@selector(setProgressCancellable:) withObject:[NSNumber numberWithBool:NO] waitUntilDone:YES];
1112         [delegate_ performSelectorOnMainThread:@selector(setProgressStatus:) withObject:nil waitUntilDone:YES];
1113     }
1114 };
1115 /* }}} */
1116 /* Database Interface {{{ */
1117 typedef std::map< unsigned long, _H<Source> > SourceMap;
1118
1119 @interface Database : NSObject {
1120     NSZone *zone_;
1121     apr_pool_t *pool_;
1122
1123     unsigned era_;
1124
1125     pkgCacheFile cache_;
1126     pkgDepCache::Policy *policy_;
1127     pkgRecords *records_;
1128     pkgProblemResolver *resolver_;
1129     pkgAcquire *fetcher_;
1130     FileFd *lock_;
1131     SPtr<pkgPackageManager> manager_;
1132     pkgSourceList *list_;
1133
1134     SourceMap sourceMap_;
1135     _H<NSMutableArray> sourceList_;
1136
1137     CFMutableArrayRef packages_;
1138
1139     _transient NSObject<DatabaseDelegate> *delegate_;
1140     _transient NSObject<ProgressDelegate> *progress_;
1141
1142     CydiaStatus status_;
1143
1144     int cydiafd_;
1145     int statusfd_;
1146     FILE *input_;
1147
1148     std::map<const char *, _H<NSString> > sections_;
1149 }
1150
1151 + (Database *) sharedInstance;
1152 - (unsigned) era;
1153
1154 - (void) _readCydia:(NSNumber *)fd;
1155 - (void) _readStatus:(NSNumber *)fd;
1156 - (void) _readOutput:(NSNumber *)fd;
1157
1158 - (FILE *) input;
1159
1160 - (Package *) packageWithName:(NSString *)name;
1161
1162 - (pkgCacheFile &) cache;
1163 - (pkgDepCache::Policy *) policy;
1164 - (pkgRecords *) records;
1165 - (pkgProblemResolver *) resolver;
1166 - (pkgAcquire &) fetcher;
1167 - (pkgSourceList &) list;
1168 - (NSArray *) packages;
1169 - (NSArray *) sources;
1170 - (Source *) sourceWithKey:(NSString *)key;
1171 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
1172
1173 - (void) configure;
1174 - (bool) prepare;
1175 - (void) perform;
1176 - (bool) upgrade;
1177 - (void) update;
1178
1179 - (void) updateWithStatus:(CancelStatus &)status;
1180
1181 - (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate;
1182
1183 - (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate;
1184 - (NSObject<ProgressDelegate> *) progressDelegate;
1185
1186 - (Source *) getSource:(pkgCache::PkgFileIterator)file;
1187 - (void) setFetch:(bool)fetch forURI:(const char *)uri;
1188 - (void) resetFetch;
1189
1190 - (NSString *) mappedSectionForPointer:(const char *)pointer;
1191
1192 @end
1193 /* }}} */
1194 /* SourceStatus {{{ */
1195 class SourceStatus :
1196     public CancelStatus
1197 {
1198   private:
1199     _transient NSObject<FetchDelegate> *delegate_;
1200     _transient Database *database_;
1201     std::set<std::string> fetches_;
1202
1203   public:
1204     SourceStatus(NSObject<FetchDelegate> *delegate, Database *database) :
1205         delegate_(delegate),
1206         database_(database)
1207     {
1208     }
1209
1210     void Set(bool fetch, const std::string &uri) {
1211         if (fetch) {
1212             if (!fetches_.insert(uri).second)
1213                 return;
1214         } else {
1215             if (fetches_.erase(uri) == 0)
1216                 return;
1217         }
1218
1219         //printf("Set(%s, %s)\n", fetch ? "true" : "false", uri.c_str());
1220         [database_ setFetch:fetch forURI:uri.c_str()];
1221     }
1222
1223     _finline void Set(bool fetch, pkgAcquire::Item *item) {
1224         /*unsigned long ID(fetch ? 1 : 0);
1225         if (item->ID == ID)
1226             return;
1227         item->ID = ID;*/
1228         Set(fetch, item->DescURI());
1229     }
1230
1231     void Log(const char *tag, pkgAcquire::Item *item) {
1232         //printf("%s(%s) S:%u Q:%u\n", tag, item->DescURI().c_str(), item->Status, item->QueueCounter);
1233     }
1234
1235     virtual void Fetch(pkgAcquire::ItemDesc &desc) {
1236         Log("Fetch", desc.Owner);
1237         Set(true, desc.Owner);
1238     }
1239
1240     virtual void Done(pkgAcquire::ItemDesc &desc) {
1241         Log("Done", desc.Owner);
1242         Set(false, desc.Owner);
1243     }
1244
1245     virtual void Fail(pkgAcquire::ItemDesc &desc) {
1246         Log("Fail", desc.Owner);
1247         Set(false, desc.Owner);
1248     }
1249
1250     virtual bool Pulse_(pkgAcquire *Owner) {
1251         std::set<std::string> fetches;
1252         for (pkgAcquire::ItemCIterator item(Owner->ItemsBegin()); item != Owner->ItemsEnd(); ++item) {
1253             bool fetch;
1254             if ((*item)->QueueCounter == 0)
1255                 fetch = false;
1256             else switch ((*item)->Status) {
1257                 case pkgAcquire::Item::StatFetching:
1258                     fetches.insert((*item)->DescURI());
1259                     fetch = true;
1260                 break;
1261
1262                 default:
1263                     fetch = false;
1264                 break;
1265             }
1266
1267             Log(fetch ? "Pulse<true>" : "Pulse<false>", *item);
1268             Set(fetch, *item);
1269         }
1270
1271         std::vector<std::string> stops;
1272         std::set_difference(fetches_.begin(), fetches_.end(), fetches.begin(), fetches.end(), std::back_insert_iterator<std::vector<std::string>>(stops));
1273         for (std::vector<std::string>::const_iterator stop(stops.begin()); stop != stops.end(); ++stop) {
1274             //printf("Stop(%s)\n", stop->c_str());
1275             Set(false, *stop);
1276         }
1277
1278         return ![delegate_ isSourceCancelled];
1279     }
1280
1281     virtual void Stop() {
1282         pkgAcquireStatus::Stop();
1283         [database_ resetFetch];
1284     }
1285 };
1286 /* }}} */
1287 /* ProgressEvent Implementation {{{ */
1288 @implementation CydiaProgressEvent
1289
1290 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type {
1291     return [[[CydiaProgressEvent alloc] initWithMessage:message ofType:type] autorelease];
1292 }
1293
1294 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forPackage:(NSString *)package {
1295     CydiaProgressEvent *event([self eventWithMessage:message ofType:type]);
1296     [event setPackage:package];
1297     return event;
1298 }
1299
1300 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forItemDesc:(pkgAcquire::ItemDesc &)desc {
1301     CydiaProgressEvent *event([self eventWithMessage:message ofType:type]);
1302
1303     NSString *description([NSString stringWithUTF8String:desc.Description.c_str()]);
1304     NSArray *fields([description componentsSeparatedByString:@" "]);
1305     [event setItem:fields];
1306
1307     if ([fields count] > 3) {
1308         [event setPackage:[fields objectAtIndex:2]];
1309         [event setVersion:[fields objectAtIndex:3]];
1310     }
1311
1312     [event setURL:[NSString stringWithUTF8String:desc.URI.c_str()]];
1313
1314     return event;
1315 }
1316
1317 + (NSArray *) _attributeKeys {
1318     return [NSArray arrayWithObjects:
1319         @"item",
1320         @"message",
1321         @"package",
1322         @"type",
1323         @"url",
1324         @"version",
1325     nil];
1326 }
1327
1328 - (NSArray *) attributeKeys {
1329     return [[self class] _attributeKeys];
1330 }
1331
1332 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1333     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1334 }
1335
1336 - (id) initWithMessage:(NSString *)message ofType:(NSString *)type {
1337     if ((self = [super init]) != nil) {
1338         message_ = message;
1339         type_ = type;
1340     } return self;
1341 }
1342
1343 - (NSString *) message {
1344     return message_;
1345 }
1346
1347 - (NSString *) type {
1348     return type_;
1349 }
1350
1351 - (NSArray *) item {
1352     return (id) item_ ?: [NSNull null];
1353 }
1354
1355 - (void) setItem:(NSArray *)item {
1356     item_ = item;
1357 }
1358
1359 - (NSString *) package {
1360     return (id) package_ ?: [NSNull null];
1361 }
1362
1363 - (void) setPackage:(NSString *)package {
1364     package_ = package;
1365 }
1366
1367 - (NSString *) url {
1368     return (id) url_ ?: [NSNull null];
1369 }
1370
1371 - (void) setURL:(NSString *)url {
1372     url_ = url;
1373 }
1374
1375 - (void) setVersion:(NSString *)version {
1376     version_ = version;
1377 }
1378
1379 - (NSString *) version {
1380     return (id) version_ ?: [NSNull null];
1381 }
1382
1383 - (NSString *) compound:(NSString *)value {
1384     if (value != nil) {
1385         NSString *mode(nil); {
1386             NSString *type([self type]);
1387             if ([type isEqualToString:kCydiaProgressEventTypeError])
1388                 mode = UCLocalize("ERROR");
1389             else if ([type isEqualToString:kCydiaProgressEventTypeWarning])
1390                 mode = UCLocalize("WARNING");
1391         }
1392
1393         if (mode != nil)
1394             value = [NSString stringWithFormat:UCLocalize("COLON_DELIMITED"), mode, value];
1395     }
1396
1397     return value;
1398 }
1399
1400 - (NSString *) compoundMessage {
1401     return [self compound:[self message]];
1402 }
1403
1404 - (NSString *) compoundTitle {
1405     NSString *title;
1406
1407     if (package_ == nil)
1408         title = nil;
1409     else if (Package *package = [[Database sharedInstance] packageWithName:package_])
1410         title = [package name];
1411     else
1412         title = package_;
1413
1414     return [self compound:title];
1415 }
1416
1417 @end
1418 /* }}} */
1419
1420 // Cytore Definitions {{{
1421 struct PackageValue :
1422     Cytore::Block
1423 {
1424     Cytore::Offset<PackageValue> next_;
1425
1426     uint32_t index_ : 23;
1427     uint32_t subscribed_ : 1;
1428     uint32_t : 8;
1429
1430     int32_t first_;
1431     int32_t last_;
1432
1433     uint16_t vhash_;
1434     uint16_t nhash_;
1435
1436     char version_[8];
1437     char name_[];
1438 };
1439
1440 struct MetaValue :
1441     Cytore::Block
1442 {
1443     uint32_t active_;
1444     Cytore::Offset<PackageValue> packages_[1 << 16];
1445 };
1446
1447 static Cytore::File<MetaValue> MetaFile_;
1448 // }}}
1449 // Cytore Helper Functions {{{
1450 static PackageValue *PackageFind(const char *name, size_t length, bool *fail = NULL) {
1451     SplitHash nhash = { hashlittle(name, length) };
1452
1453     PackageValue *metadata;
1454
1455     Cytore::Offset<PackageValue> *offset(&MetaFile_->packages_[nhash.u16[0]]);
1456     for (;; offset = &metadata->next_) { if (offset->IsNull()) {
1457         *offset = MetaFile_.New<PackageValue>(length + 1);
1458         metadata = &MetaFile_.Get(*offset);
1459
1460         if (metadata == NULL) {
1461             if (fail != NULL)
1462                 *fail = true;
1463
1464             metadata = new PackageValue();
1465             memset(metadata, 0, sizeof(*metadata));
1466         }
1467
1468         memcpy(metadata->name_, name, length);
1469         metadata->name_[length] = '\0';
1470         metadata->nhash_ = nhash.u16[1];
1471     } else {
1472         metadata = &MetaFile_.Get(*offset);
1473         if (metadata->nhash_ != nhash.u16[1])
1474             continue;
1475         if (strncmp(metadata->name_, name, length) != 0)
1476             continue;
1477         if (metadata->name_[length] != '\0')
1478             continue;
1479     } break; }
1480
1481     return metadata;
1482 }
1483
1484 static void PackageImport(const void *key, const void *value, void *context) {
1485     bool &fail(*reinterpret_cast<bool *>(context));
1486
1487     char buffer[1024];
1488     if (!CFStringGetCString((CFStringRef) key, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
1489         NSLog(@"failed to import package %@", key);
1490         return;
1491     }
1492
1493     PackageValue *metadata(PackageFind(buffer, strlen(buffer), &fail));
1494     NSDictionary *package((NSDictionary *) value);
1495
1496     if (NSNumber *subscribed = [package objectForKey:@"IsSubscribed"])
1497         if ([subscribed boolValue] && !metadata->subscribed_)
1498             metadata->subscribed_ = true;
1499
1500     if (NSDate *date = [package objectForKey:@"FirstSeen"]) {
1501         time_t time([date timeIntervalSince1970]);
1502         if (metadata->first_ > time || metadata->first_ == 0)
1503             metadata->first_ = time;
1504     }
1505
1506     NSDate *date([package objectForKey:@"LastSeen"]);
1507     NSString *version([package objectForKey:@"LastVersion"]);
1508
1509     if (date != nil && version != nil) {
1510         time_t time([date timeIntervalSince1970]);
1511         if (metadata->last_ < time || metadata->last_ == 0)
1512             if (CFStringGetCString((CFStringRef) version, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
1513                 size_t length(strlen(buffer));
1514                 uint16_t vhash(hashlittle(buffer, length));
1515
1516                 size_t capped(std::min<size_t>(8, length));
1517                 char *latest(buffer + length - capped);
1518
1519                 strncpy(metadata->version_, latest, sizeof(metadata->version_));
1520                 metadata->vhash_ = vhash;
1521
1522                 metadata->last_ = time;
1523             }
1524     }
1525 }
1526 // }}}
1527
1528 /* Source Class {{{ */
1529 @interface Source : NSObject {
1530     unsigned era_;
1531     Database *database_;
1532     metaIndex *index_;
1533
1534     CYString depiction_;
1535     CYString description_;
1536     CYString label_;
1537     CYString origin_;
1538     CYString support_;
1539
1540     CYString uri_;
1541     CYString distribution_;
1542     CYString type_;
1543     CYString base_;
1544     CYString version_;
1545
1546     _H<NSString> host_;
1547     _H<NSString> authority_;
1548
1549     CYString defaultIcon_;
1550
1551     _H<NSMutableDictionary> record_;
1552     BOOL trusted_;
1553
1554     std::set<std::string> fetches_;
1555     std::set<std::string> files_;
1556     _transient NSObject<SourceDelegate> *delegate_;
1557 }
1558
1559 - (Source *) initWithMetaIndex:(metaIndex *)index forDatabase:(Database *)database inPool:(apr_pool_t *)pool;
1560
1561 - (NSComparisonResult) compareByName:(Source *)source;
1562
1563 - (NSString *) depictionForPackage:(NSString *)package;
1564 - (NSString *) supportForPackage:(NSString *)package;
1565
1566 - (metaIndex *) metaIndex;
1567 - (NSDictionary *) record;
1568 - (BOOL) trusted;
1569
1570 - (NSString *) rooturi;
1571 - (NSString *) distribution;
1572 - (NSString *) type;
1573
1574 - (NSString *) key;
1575 - (NSString *) host;
1576
1577 - (NSString *) name;
1578 - (NSString *) shortDescription;
1579 - (NSString *) label;
1580 - (NSString *) origin;
1581 - (NSString *) version;
1582
1583 - (NSString *) defaultIcon;
1584 - (NSURL *) iconURL;
1585
1586 - (void) setFetch:(bool)fetch forURI:(const char *)uri;
1587 - (void) resetFetch;
1588
1589 @end
1590
1591 @implementation Source
1592
1593 + (NSString *) webScriptNameForSelector:(SEL)selector {
1594     if (false);
1595     else if (selector == @selector(addSection:))
1596         return @"addSection";
1597     else if (selector == @selector(getField:))
1598         return @"getField";
1599     else if (selector == @selector(removeSection:))
1600         return @"removeSection";
1601     else if (selector == @selector(remove))
1602         return @"remove";
1603     else
1604         return nil;
1605 }
1606
1607 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
1608     return [self webScriptNameForSelector:selector] == nil;
1609 }
1610
1611 + (NSArray *) _attributeKeys {
1612     return [NSArray arrayWithObjects:
1613         @"baseuri",
1614         @"distribution",
1615         @"host",
1616         @"key",
1617         @"iconuri",
1618         @"label",
1619         @"name",
1620         @"origin",
1621         @"rooturi",
1622         @"sections",
1623         @"shortDescription",
1624         @"trusted",
1625         @"type",
1626         @"version",
1627     nil];
1628 }
1629
1630 - (NSArray *) attributeKeys {
1631     return [[self class] _attributeKeys];
1632 }
1633
1634 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1635     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1636 }
1637
1638 - (metaIndex *) metaIndex {
1639     return index_;
1640 }
1641
1642 - (void) setMetaIndex:(metaIndex *)index inPool:(apr_pool_t *)pool {
1643     trusted_ = index->IsTrusted();
1644
1645     uri_.set(pool, index->GetURI());
1646     distribution_.set(pool, index->GetDist());
1647     type_.set(pool, index->GetType());
1648
1649     debReleaseIndex *dindex(dynamic_cast<debReleaseIndex *>(index));
1650     if (dindex != NULL) {
1651         std::string file(dindex->MetaIndexURI(""));
1652         base_.set(pool, file);
1653
1654         pkgAcquire acquire;
1655         _profile(Source$setMetaIndex$GetIndexes)
1656         dindex->GetIndexes(&acquire, true);
1657         _end
1658         _profile(Source$setMetaIndex$DescURI)
1659         for (pkgAcquire::ItemIterator item(acquire.ItemsBegin()); item != acquire.ItemsEnd(); item++) {
1660             std::string file((*item)->DescURI());
1661             files_.insert(file);
1662             if (file.length() < sizeof("Packages.bz2") || file.substr(file.length() - sizeof("Packages.bz2")) != "/Packages.bz2")
1663                 continue;
1664             file = file.substr(0, file.length() - 4);
1665             files_.insert(file);
1666             files_.insert(file + ".gz");
1667             files_.insert(file + "Index");
1668         }
1669         _end
1670
1671         FileFd fd;
1672         if (!fd.Open(dindex->MetaIndexFile("Release"), FileFd::ReadOnly))
1673             _error->Discard();
1674         else {
1675             pkgTagFile tags(&fd);
1676
1677             pkgTagSection section;
1678             tags.Step(section);
1679
1680             struct {
1681                 const char *name_;
1682                 CYString *value_;
1683             } names[] = {
1684                 {"default-icon", &defaultIcon_},
1685                 {"depiction", &depiction_},
1686                 {"description", &description_},
1687                 {"label", &label_},
1688                 {"origin", &origin_},
1689                 {"support", &support_},
1690                 {"version", &version_},
1691             };
1692
1693             for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i) {
1694                 const char *start, *end;
1695
1696                 if (section.Find(names[i].name_, start, end)) {
1697                     CYString &value(*names[i].value_);
1698                     value.set(pool, start, end - start);
1699                 }
1700             }
1701         }
1702     }
1703
1704     record_ = [Sources_ objectForKey:[self key]];
1705
1706     NSURL *url([NSURL URLWithString:uri_]);
1707
1708     host_ = [url host];
1709     if (host_ != nil)
1710         host_ = [host_ lowercaseString];
1711
1712     if (host_ != nil)
1713         authority_ = host_;
1714     else
1715         authority_ = [url path];
1716 }
1717
1718 - (Source *) initWithMetaIndex:(metaIndex *)index forDatabase:(Database *)database inPool:(apr_pool_t *)pool {
1719     if ((self = [super init]) != nil) {
1720         era_ = [database era];
1721         database_ = database;
1722         index_ = index;
1723
1724         _profile(Source$initWithMetaIndex$setMetaIndex)
1725         [self setMetaIndex:index inPool:pool];
1726         _end
1727     } return self;
1728 }
1729
1730 - (NSString *) getField:(NSString *)name {
1731 @synchronized (database_) {
1732     if ([database_ era] != era_ || index_ == NULL)
1733         return nil;
1734
1735     debReleaseIndex *dindex(dynamic_cast<debReleaseIndex *>(index_));
1736     if (dindex == NULL)
1737         return nil;
1738
1739     FileFd fd;
1740     if (!fd.Open(dindex->MetaIndexFile("Release"), FileFd::ReadOnly)) {
1741          _error->Discard();
1742          return nil;
1743     }
1744
1745     pkgTagFile tags(&fd);
1746
1747     pkgTagSection section;
1748     tags.Step(section);
1749
1750     const char *start, *end;
1751     if (!section.Find([name UTF8String], start, end))
1752         return (NSString *) [NSNull null];
1753
1754     return [NSString stringWithString:[(NSString *) CYStringCreate(start, end - start) autorelease]];
1755 } }
1756
1757 - (NSComparisonResult) compareByName:(Source *)source {
1758     NSString *lhs = [self name];
1759     NSString *rhs = [source name];
1760
1761     if ([lhs length] != 0 && [rhs length] != 0) {
1762         unichar lhc = [lhs characterAtIndex:0];
1763         unichar rhc = [rhs characterAtIndex:0];
1764
1765         if (isalpha(lhc) && !isalpha(rhc))
1766             return NSOrderedAscending;
1767         else if (!isalpha(lhc) && isalpha(rhc))
1768             return NSOrderedDescending;
1769     }
1770
1771     return [lhs compare:rhs options:LaxCompareOptions_];
1772 }
1773
1774 - (NSString *) depictionForPackage:(NSString *)package {
1775     return depiction_.empty() ? nil : [static_cast<id>(depiction_) stringByReplacingOccurrencesOfString:@"*" withString:package];
1776 }
1777
1778 - (NSString *) supportForPackage:(NSString *)package {
1779     return support_.empty() ? nil : [static_cast<id>(support_) stringByReplacingOccurrencesOfString:@"*" withString:package];
1780 }
1781
1782 - (NSArray *) sections {
1783     return record_ == nil ? (id) [NSNull null] : [record_ objectForKey:@"Sections"] ?: [NSArray array];
1784 }
1785
1786 - (void) _addSection:(NSString *)section {
1787     if (record_ == nil)
1788         return;
1789     else if (NSMutableArray *sections = [record_ objectForKey:@"Sections"]) {
1790         if (![sections containsObject:section]) {
1791             [sections addObject:section];
1792             Changed_ = true;
1793         }
1794     } else {
1795         [record_ setObject:[NSMutableArray arrayWithObject:section] forKey:@"Sections"];
1796         Changed_ = true;
1797     }
1798 }
1799
1800 - (bool) addSection:(NSString *)section {
1801     if (record_ == nil)
1802         return false;
1803
1804     [self performSelectorOnMainThread:@selector(_addSection:) withObject:section waitUntilDone:NO];
1805     return true;
1806 }
1807
1808 - (void) _removeSection:(NSString *)section {
1809     if (record_ == nil)
1810         return;
1811
1812     if (NSMutableArray *sections = [record_ objectForKey:@"Sections"])
1813         if ([sections containsObject:section]) {
1814             [sections removeObject:section];
1815             Changed_ = true;
1816         }
1817 }
1818
1819 - (bool) removeSection:(NSString *)section {
1820     if (record_ == nil)
1821         return false;
1822
1823     [self performSelectorOnMainThread:@selector(_removeSection:) withObject:section waitUntilDone:NO];
1824     return true;
1825 }
1826
1827 - (void) _remove {
1828     [Sources_ removeObjectForKey:[self key]];
1829     Changed_ = true;
1830 }
1831
1832 - (bool) remove {
1833     bool value(record_ != nil);
1834     [self performSelectorOnMainThread:@selector(_remove) withObject:nil waitUntilDone:NO];
1835     return value;
1836 }
1837
1838 - (NSDictionary *) record {
1839     return record_;
1840 }
1841
1842 - (BOOL) trusted {
1843     return trusted_;
1844 }
1845
1846 - (NSString *) rooturi {
1847     return uri_;
1848 }
1849
1850 - (NSString *) distribution {
1851     return distribution_;
1852 }
1853
1854 - (NSString *) type {
1855     return type_;
1856 }
1857
1858 - (NSString *) baseuri {
1859     return base_.empty() ? nil : (id) base_;
1860 }
1861
1862 - (NSString *) iconuri {
1863     if (NSString *base = [self baseuri])
1864         return [base stringByAppendingString:@"CydiaIcon.png"];
1865
1866     return nil;
1867 }
1868
1869 - (NSURL *) iconURL {
1870     if (NSString *uri = [self iconuri])
1871         return [NSURL URLWithString:uri];
1872     return nil;
1873 }
1874
1875 - (NSString *) key {
1876     return [NSString stringWithFormat:@"%@:%@:%@", (NSString *) type_, (NSString *) uri_, (NSString *) distribution_];
1877 }
1878
1879 - (NSString *) host {
1880     return host_;
1881 }
1882
1883 - (NSString *) name {
1884     return origin_.empty() ? (id) authority_ : origin_;
1885 }
1886
1887 - (NSString *) shortDescription {
1888     return description_;
1889 }
1890
1891 - (NSString *) label {
1892     return label_.empty() ? (id) authority_ : label_;
1893 }
1894
1895 - (NSString *) origin {
1896     return origin_;
1897 }
1898
1899 - (NSString *) version {
1900     return version_;
1901 }
1902
1903 - (NSString *) defaultIcon {
1904     return defaultIcon_;
1905 }
1906
1907 - (void) setDelegate:(NSObject<SourceDelegate> *)delegate {
1908     delegate_ = delegate;
1909 }
1910
1911 - (bool) fetch {
1912     return !fetches_.empty();
1913 }
1914
1915 - (void) setFetch:(bool)fetch forURI:(const char *)uri {
1916     if (!fetch) {
1917         if (fetches_.erase(uri) == 0)
1918             return;
1919     } else if (files_.find(uri) == files_.end())
1920         return;
1921     else if (!fetches_.insert(uri).second)
1922         return;
1923
1924     [delegate_ performSelectorOnMainThread:@selector(setFetch:) withObject:[NSNumber numberWithBool:[self fetch]] waitUntilDone:NO];
1925 }
1926
1927 - (void) resetFetch {
1928     fetches_.clear();
1929     [delegate_ performSelectorOnMainThread:@selector(setFetch:) withObject:[NSNumber numberWithBool:NO] waitUntilDone:NO];
1930 }
1931
1932 @end
1933 /* }}} */
1934 /* CydiaOperation Class {{{ */
1935 @interface CydiaOperation : NSObject {
1936     _H<NSString> operator_;
1937     _H<NSString> value_;
1938 }
1939
1940 - (NSString *) operator;
1941 - (NSString *) value;
1942
1943 @end
1944
1945 @implementation CydiaOperation
1946
1947 - (id) initWithOperator:(const char *)_operator value:(const char *)value {
1948     if ((self = [super init]) != nil) {
1949         operator_ = [NSString stringWithUTF8String:_operator];
1950         value_ = [NSString stringWithUTF8String:value];
1951     } return self;
1952 }
1953
1954 + (NSArray *) _attributeKeys {
1955     return [NSArray arrayWithObjects:
1956         @"operator",
1957         @"value",
1958     nil];
1959 }
1960
1961 - (NSArray *) attributeKeys {
1962     return [[self class] _attributeKeys];
1963 }
1964
1965 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1966     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1967 }
1968
1969 - (NSString *) operator {
1970     return operator_;
1971 }
1972
1973 - (NSString *) value {
1974     return value_;
1975 }
1976
1977 @end
1978 /* }}} */
1979 /* CydiaClause Class {{{ */
1980 @interface CydiaClause : NSObject {
1981     _H<NSString> package_;
1982     _H<CydiaOperation> version_;
1983 }
1984
1985 - (NSString *) package;
1986 - (CydiaOperation *) version;
1987
1988 @end
1989
1990 @implementation CydiaClause
1991
1992 - (id) initWithIterator:(pkgCache::DepIterator &)dep {
1993     if ((self = [super init]) != nil) {
1994         package_ = [NSString stringWithUTF8String:dep.TargetPkg().Name()];
1995
1996         if (const char *version = dep.TargetVer())
1997             version_ = [[[CydiaOperation alloc] initWithOperator:dep.CompType() value:version] autorelease];
1998         else
1999             version_ = (id) [NSNull null];
2000     } return self;
2001 }
2002
2003 + (NSArray *) _attributeKeys {
2004     return [NSArray arrayWithObjects:
2005         @"package",
2006         @"version",
2007     nil];
2008 }
2009
2010 - (NSArray *) attributeKeys {
2011     return [[self class] _attributeKeys];
2012 }
2013
2014 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
2015     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
2016 }
2017
2018 - (NSString *) package {
2019     return package_;
2020 }
2021
2022 - (CydiaOperation *) version {
2023     return version_;
2024 }
2025
2026 @end
2027 /* }}} */
2028 /* CydiaRelation Class {{{ */
2029 @interface CydiaRelation : NSObject {
2030     _H<NSString> relationship_;
2031     _H<NSMutableArray> clauses_;
2032 }
2033
2034 - (NSString *) relationship;
2035 - (NSArray *) clauses;
2036
2037 @end
2038
2039 @implementation CydiaRelation
2040
2041 - (id) initWithIterator:(pkgCache::DepIterator &)dep {
2042     if ((self = [super init]) != nil) {
2043         relationship_ = [NSString stringWithUTF8String:dep.DepType()];
2044         clauses_ = [NSMutableArray arrayWithCapacity:8];
2045
2046         pkgCache::DepIterator start;
2047         pkgCache::DepIterator end;
2048         dep.GlobOr(start, end); // ++dep
2049
2050         _forever {
2051             [clauses_ addObject:[[[CydiaClause alloc] initWithIterator:start] autorelease]];
2052
2053             // yes, seriously. (wtf?)
2054             if (start == end)
2055                 break;
2056             ++start;
2057         }
2058     } return self;
2059 }
2060
2061 + (NSArray *) _attributeKeys {
2062     return [NSArray arrayWithObjects:
2063         @"clauses",
2064         @"relationship",
2065     nil];
2066 }
2067
2068 - (NSArray *) attributeKeys {
2069     return [[self class] _attributeKeys];
2070 }
2071
2072 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
2073     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
2074 }
2075
2076 - (NSString *) relationship {
2077     return relationship_;
2078 }
2079
2080 - (NSArray *) clauses {
2081     return clauses_;
2082 }
2083
2084 - (void) addClause:(CydiaClause *)clause {
2085     [clauses_ addObject:clause];
2086 }
2087
2088 @end
2089 /* }}} */
2090 /* Package Class {{{ */
2091 struct ParsedPackage {
2092     CYString md5sum_;
2093     CYString tagline_;
2094
2095     CYString architecture_;
2096     CYString icon_;
2097
2098     CYString depiction_;
2099     CYString homepage_;
2100     CYString author_;
2101
2102     CYString support_;
2103 };
2104
2105 @interface Package : NSObject {
2106     uint32_t era_ : 25;
2107     @public uint32_t role_ : 3;
2108     uint32_t essential_ : 1;
2109     uint32_t obsolete_ : 1;
2110     uint32_t ignored_ : 1;
2111     uint32_t pooled_ : 1;
2112
2113     apr_pool_t *pool_;
2114
2115     uint32_t rank_;
2116
2117     _transient Database *database_;
2118
2119     pkgCache::VerIterator version_;
2120     pkgCache::PkgIterator iterator_;
2121     pkgCache::VerFileIterator file_;
2122
2123     CYString id_;
2124     CYString name_;
2125     CYString transform_;
2126
2127     CYString latest_;
2128     CYString installed_;
2129     time_t upgraded_;
2130
2131     const char *section_;
2132     _transient NSString *section$_;
2133
2134     _H<Source> source_;
2135
2136     PackageValue *metadata_;
2137     ParsedPackage *parsed_;
2138
2139     _H<NSMutableArray> tags_;
2140 }
2141
2142 - (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database;
2143 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database;
2144
2145 - (pkgCache::PkgIterator) iterator;
2146 - (void) parse;
2147
2148 - (NSString *) section;
2149 - (NSString *) simpleSection;
2150
2151 - (NSString *) longSection;
2152 - (NSString *) shortSection;
2153
2154 - (NSString *) uri;
2155
2156 - (MIMEAddress *) maintainer;
2157 - (size_t) size;
2158 - (NSString *) longDescription;
2159 - (NSString *) shortDescription;
2160 - (unichar) index;
2161
2162 - (PackageValue *) metadata;
2163 - (time_t) seen;
2164
2165 - (bool) subscribed;
2166 - (bool) setSubscribed:(bool)subscribed;
2167
2168 - (BOOL) ignored;
2169
2170 - (NSString *) latest;
2171 - (NSString *) installed;
2172 - (BOOL) uninstalled;
2173
2174 - (BOOL) valid;
2175 - (BOOL) upgradableAndEssential:(BOOL)essential;
2176 - (BOOL) essential;
2177 - (BOOL) broken;
2178 - (BOOL) unfiltered;
2179 - (BOOL) visible;
2180
2181 - (BOOL) half;
2182 - (BOOL) halfConfigured;
2183 - (BOOL) halfInstalled;
2184 - (BOOL) hasMode;
2185 - (NSString *) mode;
2186
2187 - (NSString *) id;
2188 - (NSString *) name;
2189 - (UIImage *) icon;
2190 - (NSString *) homepage;
2191 - (NSString *) depiction;
2192 - (MIMEAddress *) author;
2193
2194 - (NSString *) support;
2195
2196 - (NSArray *) files;
2197 - (NSArray *) warnings;
2198 - (NSArray *) applications;
2199
2200 - (Source *) source;
2201
2202 - (uint32_t) rank;
2203 - (BOOL) matches:(NSArray *)query;
2204
2205 - (BOOL) hasTag:(NSString *)tag;
2206 - (NSString *) primaryPurpose;
2207 - (NSArray *) purposes;
2208 - (bool) isCommercial;
2209
2210 - (void) setIndex:(size_t)index;
2211
2212 - (CYString &) cyname;
2213
2214 - (uint32_t) compareBySection:(NSArray *)sections;
2215
2216 - (void) install;
2217 - (void) remove;
2218
2219 @end
2220
2221 uint32_t PackageChangesRadix(Package *self, void *) {
2222     union {
2223         uint32_t key;
2224
2225         struct {
2226             uint32_t timestamp : 30;
2227             uint32_t ignored : 1;
2228             uint32_t upgradable : 1;
2229         } bits;
2230     } value;
2231
2232     bool upgradable([self upgradableAndEssential:YES]);
2233     value.bits.upgradable = upgradable ? 1 : 0;
2234
2235     if (upgradable) {
2236         value.bits.timestamp = 0;
2237         value.bits.ignored = [self ignored] ? 0 : 1;
2238         value.bits.upgradable = 1;
2239     } else {
2240         value.bits.timestamp = [self seen] >> 2;
2241         value.bits.ignored = 0;
2242         value.bits.upgradable = 0;
2243     }
2244
2245     return _not(uint32_t) - value.key;
2246 }
2247
2248 CYString &(*PackageName)(Package *self, SEL sel);
2249
2250 uint32_t PackagePrefixRadix(Package *self, void *context) {
2251     size_t offset(reinterpret_cast<size_t>(context));
2252     CYString &name(PackageName(self, @selector(cyname)));
2253
2254     size_t size(name.size());
2255     if (size == 0)
2256         return 0;
2257     char *text(name.data());
2258
2259     size_t zeros;
2260     if (!isdigit(text[0]))
2261         zeros = 0;
2262     else {
2263         size_t digits(1);
2264         while (size != digits && isdigit(text[digits]))
2265             if (++digits == 4)
2266                 break;
2267         zeros = 4 - digits;
2268     }
2269
2270     uint8_t data[4];
2271
2272     if (offset == 0 && zeros != 0) {
2273         memset(data, '0', zeros);
2274         memcpy(data + zeros, text, 4 - zeros);
2275     } else {
2276         /* XXX: there's some danger here if you request a non-zero offset < 4 and it gets zero padded */
2277         if (size <= offset - zeros)
2278             return 0;
2279
2280         text += offset - zeros;
2281         size -= offset - zeros;
2282
2283         if (size >= 4)
2284             memcpy(data, text, 4);
2285         else {
2286             memcpy(data, text, size);
2287             memset(data + size, 0, 4 - size);
2288         }
2289
2290         for (size_t i(0); i != 4; ++i)
2291             if (isalpha(data[i]))
2292                 data[i] |= 0x20;
2293     }
2294
2295     if (offset == 0)
2296         if (data[0] == '@')
2297             data[0] = 0x7f;
2298         else
2299             data[0] = (data[0] & 0x1f) | "\x80\x00\xc0\x40"[data[0] >> 6];
2300
2301     /* XXX: ntohl may be more honest */
2302     return OSSwapInt32(*reinterpret_cast<uint32_t *>(data));
2303 }
2304
2305 CFComparisonResult StringNameCompare(CFStringRef lhn, CFStringRef rhn, size_t length) {
2306     _profile(PackageNameCompare)
2307         if (lhn == NULL)
2308             return rhn == NULL ? kCFCompareEqualTo : kCFCompareLessThan;
2309         else if (rhn == NULL)
2310             return kCFCompareGreaterThan;
2311
2312         CFIndex length(CFStringGetLength(lhn));
2313
2314         _profile(PackageNameCompare$NumbersLast)
2315             if (length != 0 && CFStringGetLength(rhn) != 0) {
2316                 UniChar lhc(CFStringGetCharacterAtIndex(lhn, 0));
2317                 UniChar rhc(CFStringGetCharacterAtIndex(rhn, 0));
2318                 bool lha(CFUniCharIsMemberOf(lhc, kCFUniCharLetterCharacterSet));
2319                 if (lha != CFUniCharIsMemberOf(rhc, kCFUniCharLetterCharacterSet))
2320                     return lha ? kCFCompareLessThan : kCFCompareGreaterThan;
2321             }
2322         _end
2323
2324         _profile(PackageNameCompare$Compare)
2325             return CFStringCompareWithOptionsAndLocale(lhn, rhn, CFRangeMake(0, length), LaxCompareFlags_, (CFLocaleRef) (id) CollationLocale_);
2326         _end
2327     _end
2328 }
2329
2330 _finline CFComparisonResult StringNameCompare(NSString *lhn, NSString*rhn, size_t length) {
2331     return StringNameCompare((CFStringRef) lhn, (CFStringRef) rhn, length);
2332 }
2333
2334 CFComparisonResult PackageNameCompare(Package *lhs, Package *rhs, void *arg) {
2335     CYString &lhn(PackageName(lhs, @selector(cyname)));
2336     NSString *rhn(PackageName(rhs, @selector(cyname)));
2337     return StringNameCompare(lhn, rhn, lhn.size());
2338 }
2339
2340 CFComparisonResult PackageNameCompare_(Package **lhs, Package **rhs, void *arg) {
2341     return PackageNameCompare(*lhs, *rhs, arg);
2342 }
2343
2344 struct PackageNameOrdering :
2345     std::binary_function<Package *, Package *, bool>
2346 {
2347     _finline bool operator ()(Package *lhs, Package *rhs) const {
2348         return PackageNameCompare(lhs, rhs, NULL) == kCFCompareLessThan;
2349     }
2350 };
2351
2352 @implementation Package
2353
2354 - (NSString *) description {
2355     return [NSString stringWithFormat:@"<Package:%@>", static_cast<NSString *>(name_)];
2356 }
2357
2358 - (void) dealloc {
2359     if (!pooled_)
2360         apr_pool_destroy(pool_);
2361     if (parsed_ != NULL)
2362         delete parsed_;
2363     [super dealloc];
2364 }
2365
2366 + (NSString *) webScriptNameForSelector:(SEL)selector {
2367     if (false);
2368     else if (selector == @selector(clear))
2369         return @"clear";
2370     else if (selector == @selector(getField:))
2371         return @"getField";
2372     else if (selector == @selector(getRecord))
2373         return @"getRecord";
2374     else if (selector == @selector(hasTag:))
2375         return @"hasTag";
2376     else if (selector == @selector(install))
2377         return @"install";
2378     else if (selector == @selector(remove))
2379         return @"remove";
2380     else
2381         return nil;
2382 }
2383
2384 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
2385     return [self webScriptNameForSelector:selector] == nil;
2386 }
2387
2388 + (NSArray *) _attributeKeys {
2389     return [NSArray arrayWithObjects:
2390         @"applications",
2391         @"architecture",
2392         @"author",
2393         @"depiction",
2394         @"essential",
2395         @"homepage",
2396         @"icon",
2397         @"id",
2398         @"installed",
2399         @"latest",
2400         @"longDescription",
2401         @"longSection",
2402         @"maintainer",
2403         @"md5sum",
2404         @"mode",
2405         @"name",
2406         @"purposes",
2407         @"relations",
2408         @"section",
2409         @"selection",
2410         @"shortDescription",
2411         @"shortSection",
2412         @"simpleSection",
2413         @"size",
2414         @"source",
2415         @"state",
2416         @"support",
2417         @"tags",
2418         @"upgraded",
2419         @"warnings",
2420     nil];
2421 }
2422
2423 - (NSArray *) attributeKeys {
2424     return [[self class] _attributeKeys];
2425 }
2426
2427 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
2428     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
2429 }
2430
2431 - (NSArray *) relations {
2432 @synchronized (database_) {
2433     NSMutableArray *relations([NSMutableArray arrayWithCapacity:16]);
2434     for (pkgCache::DepIterator dep(version_.DependsList()); !dep.end(); ++dep)
2435         [relations addObject:[[[CydiaRelation alloc] initWithIterator:dep] autorelease]];
2436     return relations;
2437 } }
2438
2439 - (NSString *) architecture {
2440     [self parse];
2441 @synchronized (database_) {
2442     return parsed_->architecture_.empty() ? [NSNull null] : (id) parsed_->architecture_;
2443 } }
2444
2445 - (NSString *) getField:(NSString *)name {
2446 @synchronized (database_) {
2447     if ([database_ era] != era_ || file_.end())
2448         return nil;
2449
2450     pkgRecords::Parser &parser([database_ records]->Lookup(file_));
2451
2452     const char *start, *end;
2453     if (!parser.Find([name UTF8String], start, end))
2454         return (NSString *) [NSNull null];
2455
2456     return [NSString stringWithString:[(NSString *) CYStringCreate(start, end - start) autorelease]];
2457 } }
2458
2459 - (NSString *) getRecord {
2460 @synchronized (database_) {
2461     if ([database_ era] != era_ || file_.end())
2462         return nil;
2463
2464     pkgRecords::Parser &parser([database_ records]->Lookup(file_));
2465
2466     const char *start, *end;
2467     parser.GetRec(start, end);
2468
2469     return [NSString stringWithString:[(NSString *) CYStringCreate(start, end - start) autorelease]];
2470 } }
2471
2472 - (void) parse {
2473     if (parsed_ != NULL)
2474         return;
2475 @synchronized (database_) {
2476     if ([database_ era] != era_ || file_.end())
2477         return;
2478
2479     ParsedPackage *parsed(new ParsedPackage);
2480     parsed_ = parsed;
2481
2482     _profile(Package$parse)
2483         pkgRecords::Parser *parser;
2484
2485         _profile(Package$parse$Lookup)
2486             parser = &[database_ records]->Lookup(file_);
2487         _end
2488
2489         CYString bugs;
2490         CYString website;
2491
2492         _profile(Package$parse$Find)
2493             struct {
2494                 const char *name_;
2495                 CYString *value_;
2496             } names[] = {
2497                 {"architecture", &parsed->architecture_},
2498                 {"icon", &parsed->icon_},
2499                 {"depiction", &parsed->depiction_},
2500                 {"homepage", &parsed->homepage_},
2501                 {"website", &website},
2502                 {"bugs", &bugs},
2503                 {"support", &parsed->support_},
2504                 {"author", &parsed->author_},
2505                 {"md5sum", &parsed->md5sum_},
2506             };
2507
2508             for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i) {
2509                 const char *start, *end;
2510
2511                 if (parser->Find(names[i].name_, start, end)) {
2512                     CYString &value(*names[i].value_);
2513                     _profile(Package$parse$Value)
2514                         value.set(pool_, start, end - start);
2515                     _end
2516                 }
2517             }
2518         _end
2519
2520         _profile(Package$parse$Tagline)
2521             const char *start, *end;
2522             if (parser->ShortDesc(start, end)) {
2523                 const char *stop(reinterpret_cast<const char *>(memchr(start, '\n', end - start)));
2524                 if (stop == NULL)
2525                     stop = end;
2526                 while (stop != start && stop[-1] == '\r')
2527                     --stop;
2528                 parsed->tagline_.set(pool_, start, stop - start);
2529             }
2530         _end
2531
2532         _profile(Package$parse$Retain)
2533             if (parsed->homepage_.empty())
2534                 parsed->homepage_ = website;
2535             if (parsed->homepage_ == parsed->depiction_)
2536                 parsed->homepage_.clear();
2537             if (parsed->support_.empty())
2538                 parsed->support_ = bugs;
2539         _end
2540     _end
2541 } }
2542
2543 - (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database {
2544     if ((self = [super init]) != nil) {
2545     _profile(Package$initWithVersion)
2546         if (pool == NULL)
2547             apr_pool_create(&pool_, NULL);
2548         else {
2549             pool_ = pool;
2550             pooled_ = true;
2551         }
2552
2553         database_ = database;
2554         era_ = [database era];
2555
2556         version_ = version;
2557
2558         pkgCache::PkgIterator iterator(version.ParentPkg());
2559         iterator_ = iterator;
2560
2561         _profile(Package$initWithVersion$Version)
2562             if (!version_.end())
2563                 file_ = version_.FileList();
2564             else {
2565                 pkgCache &cache([database_ cache]);
2566                 file_ = pkgCache::VerFileIterator(cache, cache.VerFileP);
2567             }
2568         _end
2569
2570         _profile(Package$initWithVersion$Cache)
2571             name_.set(NULL, iterator.Display());
2572
2573             latest_.set(NULL, StripVersion_(version_.VerStr()));
2574
2575             pkgCache::VerIterator current(iterator.CurrentVer());
2576             if (!current.end())
2577                 installed_.set(NULL, StripVersion_(current.VerStr()));
2578         _end
2579
2580         _profile(Package$initWithVersion$Transliterate) do {
2581             if (CollationTransl_ == NULL)
2582                 break;
2583             if (name_.empty())
2584                 break;
2585
2586             _profile(Package$initWithVersion$Transliterate$utf8)
2587             const uint8_t *data(reinterpret_cast<const uint8_t *>(name_.data()));
2588             for (size_t i(0), e(name_.size()); i != e; ++i)
2589                 if (data[i] >= 0x80)
2590                     goto extended;
2591             break; extended:;
2592             _end
2593
2594             UErrorCode code(U_ZERO_ERROR);
2595             int32_t length;
2596
2597             _profile(Package$initWithVersion$Transliterate$u_strFromUTF8WithSub)
2598             CollationString_.resize(name_.size());
2599             u_strFromUTF8WithSub(&CollationString_[0], CollationString_.size(), &length, name_.data(), name_.size(), 0xfffd, NULL, &code);
2600             if (!U_SUCCESS(code))
2601                 break;
2602             CollationString_.resize(length);
2603             _end
2604
2605             _profile(Package$initWithVersion$Transliterate$utrans_trans)
2606             length = CollationString_.size();
2607             utrans_trans(CollationTransl_, reinterpret_cast<UReplaceable *>(&CollationString_), &CollationUCalls_, 0, &length, &code);
2608             if (!U_SUCCESS(code))
2609                 break;
2610             _assert(CollationString_.size() == length);
2611             _end
2612
2613             _profile(Package$initWithVersion$Transliterate$u_strToUTF8WithSub$preflight)
2614             u_strToUTF8WithSub(NULL, 0, &length, CollationString_.data(), CollationString_.size(), 0xfffd, NULL, &code);
2615             if (code == U_BUFFER_OVERFLOW_ERROR)
2616                 code = U_ZERO_ERROR;
2617             else if (!U_SUCCESS(code))
2618                 break;
2619             _end
2620
2621             char *transform;
2622             _profile(Package$initWithVersion$Transliterate$apr_palloc)
2623             transform = static_cast<char *>(apr_palloc(pool_, length));
2624             _end
2625             _profile(Package$initWithVersion$Transliterate$u_strToUTF8WithSub$transform)
2626             u_strToUTF8WithSub(transform, length, NULL, CollationString_.data(), CollationString_.size(), 0xfffd, NULL, &code);
2627             if (!U_SUCCESS(code))
2628                 break;
2629             _end
2630
2631             transform_.set(NULL, transform, length);
2632         } while (false); _end
2633
2634         _profile(Package$initWithVersion$Tags)
2635             pkgCache::TagIterator tag(iterator.TagList());
2636             if (!tag.end()) {
2637                 tags_ = [NSMutableArray arrayWithCapacity:8];
2638
2639                 goto tag; for (; !tag.end(); ++tag) tag: {
2640                     const char *name(tag.Name());
2641                     NSString *string((NSString *) CYStringCreate(name));
2642                     if (string == nil)
2643                         continue;
2644
2645                     [tags_ addObject:[string autorelease]];
2646
2647                     if (role_ == 0 && strncmp(name, "role::", 6) == 0 /*&& strcmp(name, "role::leaper") != 0*/) {
2648                         if (strcmp(name + 6, "enduser") == 0)
2649                             role_ = 1;
2650                         else if (strcmp(name + 6, "hacker") == 0)
2651                             role_ = 2;
2652                         else if (strcmp(name + 6, "developer") == 0)
2653                             role_ = 3;
2654                         else if (strcmp(name + 6, "cydia") == 0)
2655                             role_ = 7;
2656                         else
2657                             role_ = 4;
2658                     }
2659
2660                     if (strncmp(name, "cydia::", 7) == 0) {
2661                         if (strcmp(name + 7, "essential") == 0)
2662                             essential_ = true;
2663                         else if (strcmp(name + 7, "obsolete") == 0)
2664                             obsolete_ = true;
2665                     }
2666                 }
2667             }
2668         _end
2669
2670         _profile(Package$initWithVersion$Metadata)
2671             const char *mixed(iterator.Name());
2672             size_t size(strlen(mixed));
2673             static const size_t prefix(sizeof("/var/lib/dpkg/info/") - 1);
2674             char lower[prefix + size + 5 + 1];
2675
2676             for (size_t i(0); i != size; ++i)
2677                 lower[prefix + i] = mixed[i] | 0x20;
2678
2679             if (!installed_.empty()) {
2680                 memcpy(lower, "/var/lib/dpkg/info/", prefix);
2681                 memcpy(lower + prefix + size, ".list", 6);
2682                 struct stat info;
2683                 if (stat(lower, &info) != -1)
2684                     upgraded_ = info.st_birthtime;
2685             }
2686
2687             PackageValue *metadata(PackageFind(lower + prefix, size));
2688             metadata_ = metadata;
2689
2690             id_.set(NULL, metadata->name_, size);
2691
2692             const char *latest(version_.VerStr());
2693             size_t length(strlen(latest));
2694
2695             uint16_t vhash(hashlittle(latest, length));
2696
2697             size_t capped(std::min<size_t>(8, length));
2698             latest = latest + length - capped;
2699
2700             if (metadata->first_ == 0)
2701                 metadata->first_ = now_;
2702
2703             if (metadata->vhash_ != vhash || strncmp(metadata->version_, latest, sizeof(metadata->version_)) != 0) {
2704                 strncpy(metadata->version_, latest, sizeof(metadata->version_));
2705                 metadata->vhash_ = vhash;
2706                 metadata->last_ = now_;
2707             } else if (metadata->last_ == 0)
2708                 metadata->last_ = metadata->first_;
2709         _end
2710
2711         _profile(Package$initWithVersion$Section)
2712             section_ = version_.Section();
2713         _end
2714
2715         _profile(Package$initWithVersion$Flags)
2716             essential_ |= ((iterator->Flags & pkgCache::Flag::Essential) == 0 ? NO : YES);
2717             ignored_ = iterator->SelectedState == pkgCache::State::Hold;
2718         _end
2719     _end } return self;
2720 }
2721
2722 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database {
2723     pkgCache::VerIterator version;
2724
2725     _profile(Package$packageWithIterator$GetCandidateVer)
2726         version = [database policy]->GetCandidateVer(iterator);
2727     _end
2728
2729     if (version.end())
2730         return nil;
2731
2732     Package *package;
2733
2734     _profile(Package$packageWithIterator$Allocate)
2735         package = [Package allocWithZone:zone];
2736     _end
2737
2738     _profile(Package$packageWithIterator$Initialize)
2739         package = [package
2740             initWithVersion:version
2741             withZone:zone
2742             inPool:pool
2743             database:database
2744         ];
2745     _end
2746
2747     _profile(Package$packageWithIterator$Autorelease)
2748         package = [package autorelease];
2749     _end
2750
2751     return package;
2752 }
2753
2754 - (pkgCache::PkgIterator) iterator {
2755     return iterator_;
2756 }
2757
2758 - (NSString *) section {
2759     if (section$_ == nil) {
2760         if (section_ == NULL)
2761             return nil;
2762
2763         _profile(Package$section$mappedSectionForPointer)
2764             section$_ = [database_ mappedSectionForPointer:section_];
2765         _end
2766     } return section$_;
2767 }
2768
2769 - (NSString *) simpleSection {
2770     if (NSString *section = [self section])
2771         return Simplify(section);
2772     else
2773         return nil;
2774 }
2775
2776 - (NSString *) longSection {
2777     return LocalizeSection([self section]);
2778 }
2779
2780 - (NSString *) shortSection {
2781     return [[NSBundle mainBundle] localizedStringForKey:[self simpleSection] value:nil table:@"Sections"];
2782 }
2783
2784 - (NSString *) uri {
2785     return nil;
2786 #if 0
2787     pkgIndexFile *index;
2788     pkgCache::PkgFileIterator file(file_.File());
2789     if (![database_ list].FindIndex(file, index))
2790         return nil;
2791     return [NSString stringWithUTF8String:iterator_->Path];
2792     //return [NSString stringWithUTF8String:file.Site()];
2793     //return [NSString stringWithUTF8String:index->ArchiveURI(file.FileName()).c_str()];
2794 #endif
2795 }
2796
2797 - (MIMEAddress *) maintainer {
2798 @synchronized (database_) {
2799     if ([database_ era] != era_ || file_.end())
2800         return nil;
2801
2802     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
2803     const std::string &maintainer(parser->Maintainer());
2804     return maintainer.empty() ? nil : [MIMEAddress addressWithString:[NSString stringWithUTF8String:maintainer.c_str()]];
2805 } }
2806
2807 - (NSString *) md5sum {
2808     return parsed_ == NULL ? nil : (id) parsed_->md5sum_;
2809 }
2810
2811 - (size_t) size {
2812 @synchronized (database_) {
2813     if ([database_ era] != era_ || version_.end())
2814         return 0;
2815
2816     return version_->InstalledSize;
2817 } }
2818
2819 - (NSString *) longDescription {
2820 @synchronized (database_) {
2821     if ([database_ era] != era_ || file_.end())
2822         return nil;
2823
2824     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
2825     NSString *description([NSString stringWithUTF8String:parser->LongDesc().c_str()]);
2826
2827     NSArray *lines = [description componentsSeparatedByString:@"\n"];
2828     NSMutableArray *trimmed = [NSMutableArray arrayWithCapacity:([lines count] - 1)];
2829     if ([lines count] < 2)
2830         return nil;
2831
2832     NSCharacterSet *whitespace = [NSCharacterSet whitespaceCharacterSet];
2833     for (size_t i(1), e([lines count]); i != e; ++i) {
2834         NSString *trim = [[lines objectAtIndex:i] stringByTrimmingCharactersInSet:whitespace];
2835         [trimmed addObject:trim];
2836     }
2837
2838     return [trimmed componentsJoinedByString:@"\n"];
2839 } }
2840
2841 - (NSString *) shortDescription {
2842     if (parsed_ != NULL)
2843         return static_cast<NSString *>(parsed_->tagline_);
2844
2845 @synchronized (database_) {
2846     pkgRecords::Parser &parser([database_ records]->Lookup(file_));
2847
2848     const char *start, *end;
2849     if (!parser.ShortDesc(start, end))
2850         return nil;
2851
2852     if (end - start > 200)
2853         end = start + 200;
2854
2855     /*
2856     if (const char *stop = reinterpret_cast<const char *>(memchr(start, '\n', end - start)))
2857         end = stop;
2858
2859     while (end != start && end[-1] == '\r')
2860         --end;
2861     */
2862
2863     return [(id) CYStringCreate(start, end - start) autorelease];
2864 } }
2865
2866 - (unichar) index {
2867     _profile(Package$index)
2868         CFStringRef name((CFStringRef) [self name]);
2869         if (CFStringGetLength(name) == 0)
2870             return '#';
2871         UniChar character(CFStringGetCharacterAtIndex(name, 0));
2872         if (!CFUniCharIsMemberOf(character, kCFUniCharLetterCharacterSet))
2873             return '#';
2874         return toupper(character);
2875     _end
2876 }
2877
2878 - (PackageValue *) metadata {
2879     return metadata_;
2880 }
2881
2882 - (time_t) seen {
2883     PackageValue *metadata([self metadata]);
2884     return metadata->subscribed_ ? metadata->last_ : metadata->first_;
2885 }
2886
2887 - (bool) subscribed {
2888     return [self metadata]->subscribed_;
2889 }
2890
2891 - (bool) setSubscribed:(bool)subscribed {
2892     PackageValue *metadata([self metadata]);
2893     if (metadata->subscribed_ == subscribed)
2894         return false;
2895     metadata->subscribed_ = subscribed;
2896     return true;
2897 }
2898
2899 - (BOOL) ignored {
2900     return ignored_;
2901 }
2902
2903 - (NSString *) latest {
2904     return latest_;
2905 }
2906
2907 - (NSString *) installed {
2908     return installed_;
2909 }
2910
2911 - (BOOL) uninstalled {
2912     return installed_.empty();
2913 }
2914
2915 - (BOOL) valid {
2916     return !version_.end();
2917 }
2918
2919 - (BOOL) upgradableAndEssential:(BOOL)essential {
2920     _profile(Package$upgradableAndEssential)
2921         pkgCache::VerIterator current(iterator_.CurrentVer());
2922         if (current.end())
2923             return essential && essential_;
2924         else
2925             return !version_.end() && version_ != current;
2926     _end
2927 }
2928
2929 - (BOOL) essential {
2930     return essential_;
2931 }
2932
2933 - (BOOL) broken {
2934     return [database_ cache][iterator_].InstBroken();
2935 }
2936
2937 - (BOOL) unfiltered {
2938     _profile(Package$unfiltered$obsolete)
2939         if (_unlikely(obsolete_))
2940             return false;
2941     _end
2942
2943     _profile(Package$unfiltered$role)
2944         if (_unlikely(role_ > 3))
2945             return false;
2946     _end
2947
2948     return true;
2949 }
2950
2951 - (BOOL) visible {
2952     if (![self unfiltered])
2953         return false;
2954
2955     NSString *section;
2956
2957     _profile(Package$visible$section)
2958         section = [self section];
2959     _end
2960
2961     _profile(Package$visible$isSectionVisible)
2962         if (!isSectionVisible(section))
2963             return false;
2964     _end
2965
2966     return true;
2967 }
2968
2969 - (BOOL) half {
2970     unsigned char current(iterator_->CurrentState);
2971     return current == pkgCache::State::HalfConfigured || current == pkgCache::State::HalfInstalled;
2972 }
2973
2974 - (BOOL) halfConfigured {
2975     return iterator_->CurrentState == pkgCache::State::HalfConfigured;
2976 }
2977
2978 - (BOOL) halfInstalled {
2979     return iterator_->CurrentState == pkgCache::State::HalfInstalled;
2980 }
2981
2982 - (BOOL) hasMode {
2983 @synchronized (database_) {
2984     if ([database_ era] != era_ || iterator_.end())
2985         return NO;
2986
2987     pkgDepCache::StateCache &state([database_ cache][iterator_]);
2988     return state.Mode != pkgDepCache::ModeKeep;
2989 } }
2990
2991 - (NSString *) mode {
2992 @synchronized (database_) {
2993     if ([database_ era] != era_ || iterator_.end())
2994         return nil;
2995
2996     pkgDepCache::StateCache &state([database_ cache][iterator_]);
2997
2998     switch (state.Mode) {
2999         case pkgDepCache::ModeDelete:
3000             if ((state.iFlags & pkgDepCache::Purge) != 0)
3001                 return @"PURGE";
3002             else
3003                 return @"REMOVE";
3004         case pkgDepCache::ModeKeep:
3005             if ((state.iFlags & pkgDepCache::ReInstall) != 0)
3006                 return @"REINSTALL";
3007             /*else if ((state.iFlags & pkgDepCache::AutoKept) != 0)
3008                 return nil;*/
3009             else
3010                 return nil;
3011         case pkgDepCache::ModeInstall:
3012             /*if ((state.iFlags & pkgDepCache::ReInstall) != 0)
3013                 return @"REINSTALL";
3014             else*/ switch (state.Status) {
3015                 case -1:
3016                     return @"DOWNGRADE";
3017                 case 0:
3018                     return @"INSTALL";
3019                 case 1:
3020                     return @"UPGRADE";
3021                 case 2:
3022                     return @"NEW_INSTALL";
3023                 _nodefault
3024             }
3025         _nodefault
3026     }
3027 } }
3028
3029 - (NSString *) id {
3030     return id_;
3031 }
3032
3033 - (NSString *) name {
3034     return name_.empty() ? id_ : name_;
3035 }
3036
3037 - (UIImage *) icon {
3038     NSString *section = [self simpleSection];
3039
3040     UIImage *icon(nil);
3041     if (parsed_ != NULL)
3042         if (NSString *href = parsed_->icon_)
3043             if ([href hasPrefix:@"file:///"])
3044                 icon = [UIImage imageAtPath:[[href substringFromIndex:7] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
3045     if (icon == nil) if (section != nil)
3046         icon = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, [section stringByReplacingOccurrencesOfString:@" " withString:@"_"]]];
3047     if (icon == nil) if (Source *source = [self source]) if (NSString *dicon = [source defaultIcon])
3048         if ([dicon hasPrefix:@"file:///"])
3049             icon = [UIImage imageAtPath:[[dicon substringFromIndex:7] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
3050     if (icon == nil)
3051         icon = [UIImage imageNamed:@"unknown.png"];
3052     return icon;
3053 }
3054
3055 - (NSString *) homepage {
3056     return parsed_ == NULL ? nil : static_cast<NSString *>(parsed_->homepage_);
3057 }
3058
3059 - (NSString *) depiction {
3060     return parsed_ != NULL && !parsed_->depiction_.empty() ? parsed_->depiction_ : [[self source] depictionForPackage:id_];
3061 }
3062
3063 - (MIMEAddress *) author {
3064     return parsed_ == NULL || parsed_->author_.empty() ? nil : [MIMEAddress addressWithString:parsed_->author_];
3065 }
3066
3067 - (NSString *) support {
3068     return parsed_ != NULL && !parsed_->support_.empty() ? parsed_->support_ : [[self source] supportForPackage:id_];
3069 }
3070
3071 - (NSArray *) files {
3072     NSString *path = [NSString stringWithFormat:@"/var/lib/dpkg/info/%@.list", static_cast<NSString *>(id_)];
3073     NSMutableArray *files = [NSMutableArray arrayWithCapacity:128];
3074
3075     std::ifstream fin;
3076     fin.open([path UTF8String]);
3077     if (!fin.is_open())
3078         return nil;
3079
3080     std::string line;
3081     while (std::getline(fin, line))
3082         [files addObject:[NSString stringWithUTF8String:line.c_str()]];
3083
3084     return files;
3085 }
3086
3087 - (NSString *) state {
3088 @synchronized (database_) {
3089     if ([database_ era] != era_ || file_.end())
3090         return nil;
3091
3092     switch (iterator_->CurrentState) {
3093         case pkgCache::State::NotInstalled:
3094             return @"NotInstalled";
3095         case pkgCache::State::UnPacked:
3096             return @"UnPacked";
3097         case pkgCache::State::HalfConfigured:
3098             return @"HalfConfigured";
3099         case pkgCache::State::HalfInstalled:
3100             return @"HalfInstalled";
3101         case pkgCache::State::ConfigFiles:
3102             return @"ConfigFiles";
3103         case pkgCache::State::Installed:
3104             return @"Installed";
3105         case pkgCache::State::TriggersAwaited:
3106             return @"TriggersAwaited";
3107         case pkgCache::State::TriggersPending:
3108             return @"TriggersPending";
3109     }
3110
3111     return (NSString *) [NSNull null];
3112 } }
3113
3114 - (NSString *) selection {
3115 @synchronized (database_) {
3116     if ([database_ era] != era_ || file_.end())
3117         return nil;
3118
3119     switch (iterator_->SelectedState) {
3120         case pkgCache::State::Unknown:
3121             return @"Unknown";
3122         case pkgCache::State::Install:
3123             return @"Install";
3124         case pkgCache::State::Hold:
3125             return @"Hold";
3126         case pkgCache::State::DeInstall:
3127             return @"DeInstall";
3128         case pkgCache::State::Purge:
3129             return @"Purge";
3130     }
3131
3132     return (NSString *) [NSNull null];
3133 } }
3134
3135 - (NSArray *) warnings {
3136 @synchronized (database_) {
3137     if ([database_ era] != era_ || file_.end())
3138         return nil;
3139
3140     NSMutableArray *warnings([NSMutableArray arrayWithCapacity:4]);
3141     const char *name(iterator_.Name());
3142
3143     size_t length(strlen(name));
3144     if (length < 2) invalid:
3145         [warnings addObject:UCLocalize("ILLEGAL_PACKAGE_IDENTIFIER")];
3146     else for (size_t i(0); i != length; ++i)
3147         if (
3148             /* XXX: technically this is not allowed */
3149             (name[i] < 'A' || name[i] > 'Z') &&
3150             (name[i] < 'a' || name[i] > 'z') &&
3151             (name[i] < '0' || name[i] > '9') &&
3152             (i == 0 || name[i] != '+' && name[i] != '-' && name[i] != '.')
3153         ) goto invalid;
3154
3155     if (strcmp(name, "cydia") != 0) {
3156         bool cydia = false;
3157         bool user = false;
3158         bool _private = false;
3159         bool stash = false;
3160         bool dbstash = false;
3161         bool dsstore = false;
3162
3163         bool repository = [[self section] isEqualToString:@"Repositories"];
3164
3165         if (NSArray *files = [self files])
3166             for (NSString *file in files)
3167                 if (!cydia && [file isEqualToString:@"/Applications/Cydia.app"])
3168                     cydia = true;
3169                 else if (!user && [file isEqualToString:@"/User"])
3170                     user = true;
3171                 else if (!_private && [file isEqualToString:@"/private"])
3172                     _private = true;
3173                 else if (!stash && [file isEqualToString:@"/var/stash"])
3174                     stash = true;
3175                 else if (!dbstash && [file isEqualToString:@"/var/db/stash"])
3176                     dbstash = true;
3177                 else if (!dsstore && [file hasSuffix:@"/.DS_Store"])
3178                     dsstore = true;
3179
3180         /* XXX: this is not sensitive enough. only some folders are valid. */
3181         if (cydia && !repository)
3182             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"Cydia.app"]];
3183         if (user)
3184             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/User"]];
3185         if (_private)
3186             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/private"]];
3187         if (stash)
3188             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/var/stash"]];
3189         if (dbstash)
3190             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/var/db/stash"]];
3191         if (dsstore)
3192             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @".DS_Store"]];
3193     }
3194
3195     return [warnings count] == 0 ? nil : warnings;
3196 } }
3197
3198 - (NSArray *) applications {
3199     NSString *me([[NSBundle mainBundle] bundleIdentifier]);
3200
3201     NSMutableArray *applications([NSMutableArray arrayWithCapacity:2]);
3202
3203     static Pcre application_r("^/Applications/(.*)\\.app/Info.plist$");
3204     if (NSArray *files = [self files])
3205         for (NSString *file in files)
3206             if (application_r(file)) {
3207                 NSDictionary *info([NSDictionary dictionaryWithContentsOfFile:file]);
3208                 NSString *id([info objectForKey:@"CFBundleIdentifier"]);
3209                 if ([id isEqualToString:me])
3210                     continue;
3211
3212                 NSString *display([info objectForKey:@"CFBundleDisplayName"]);
3213                 if (display == nil)
3214                     display = application_r[1];
3215
3216                 NSString *bundle([file stringByDeletingLastPathComponent]);
3217                 NSString *icon([info objectForKey:@"CFBundleIconFile"]);
3218                 // XXX: maybe this should check if this is really a string, not just for length
3219                 if (icon == nil || ![icon respondsToSelector:@selector(length)] || [icon length] == 0)
3220                     icon = @"icon.png";
3221                 NSURL *url([NSURL fileURLWithPath:[bundle stringByAppendingPathComponent:icon]]);
3222
3223                 NSMutableArray *application([NSMutableArray arrayWithCapacity:2]);
3224                 [applications addObject:application];
3225
3226                 [application addObject:id];
3227                 [application addObject:display];
3228                 [application addObject:url];
3229             }
3230
3231     return [applications count] == 0 ? nil : applications;
3232 }
3233
3234 - (Source *) source {
3235     if (source_ == nil) {
3236         @synchronized (database_) {
3237             if ([database_ era] != era_ || file_.end())
3238                 source_ = (Source *) [NSNull null];
3239             else
3240                 source_ = [database_ getSource:file_.File()] ?: (Source *) [NSNull null];
3241         }
3242     }
3243
3244     return source_ == (Source *) [NSNull null] ? nil : source_;
3245 }
3246
3247 - (time_t) upgraded {
3248     return upgraded_;
3249 }
3250
3251 - (uint32_t) recent {
3252     return std::numeric_limits<uint32_t>::max() - upgraded_;
3253 }
3254
3255 - (uint32_t) rank {
3256     return rank_;
3257 }
3258
3259 - (BOOL) matches:(NSArray *)query {
3260     if (query == nil || [query count] == 0)
3261         return NO;
3262
3263     rank_ = 0;
3264
3265     NSString *string;
3266     NSRange range;
3267     NSUInteger length;
3268
3269     string = [self name];
3270     length = [string length];
3271
3272     if (length != 0)
3273     for (NSString *term in query) {
3274         range = [string rangeOfString:term options:MatchCompareOptions_];
3275         if (range.location != NSNotFound)
3276             rank_ -= 6 * 1000000 / length;
3277     }
3278
3279     if (rank_ == 0) {
3280         string = [self id];
3281         length = [string length];
3282
3283         if (length != 0)
3284         for (NSString *term in query) {
3285             range = [string rangeOfString:term options:MatchCompareOptions_];
3286             if (range.location != NSNotFound)
3287                 rank_ -= 6 * 1000000 / length;
3288         }
3289     }
3290
3291     string = [self shortDescription];
3292     length = [string length];
3293     NSUInteger stop(std::min<NSUInteger>(length, 200));
3294
3295     if (length != 0)
3296     for (NSString *term in query) {
3297         range = [string rangeOfString:term options:MatchCompareOptions_ range:NSMakeRange(0, stop)];
3298         if (range.location != NSNotFound)
3299             rank_ -= 2 * 100000;
3300     }
3301
3302     return rank_ != 0;
3303 }
3304
3305 - (NSArray *) tags {
3306     return tags_;
3307 }
3308
3309 - (BOOL) hasTag:(NSString *)tag {
3310     return tags_ == nil ? NO : [tags_ containsObject:tag];
3311 }
3312
3313 - (NSString *) primaryPurpose {
3314     for (NSString *tag in (NSArray *) tags_)
3315         if ([tag hasPrefix:@"purpose::"])
3316             return [tag substringFromIndex:9];
3317     return nil;
3318 }
3319
3320 - (NSArray *) purposes {
3321     NSMutableArray *purposes([NSMutableArray arrayWithCapacity:2]);
3322     for (NSString *tag in (NSArray *) tags_)
3323         if ([tag hasPrefix:@"purpose::"])
3324             [purposes addObject:[tag substringFromIndex:9]];
3325     return [purposes count] == 0 ? nil : purposes;
3326 }
3327
3328 - (bool) isCommercial {
3329     return [self hasTag:@"cydia::commercial"];
3330 }
3331
3332 - (void) setIndex:(size_t)index {
3333     if (metadata_->index_ != index)
3334         metadata_->index_ = index;
3335 }
3336
3337 - (CYString &) cyname {
3338     return !transform_.empty() ? transform_ : !name_.empty() ? name_ : id_;
3339 }
3340
3341 - (uint32_t) compareBySection:(NSArray *)sections {
3342     NSString *section([self section]);
3343     for (size_t i(0), e([sections count]); i != e; ++i) {
3344         if ([section isEqualToString:[[sections objectAtIndex:i] name]])
3345             return i;
3346     }
3347
3348     return _not(uint32_t);
3349 }
3350
3351 - (void) clear {
3352 @synchronized (database_) {
3353     pkgProblemResolver *resolver = [database_ resolver];
3354     resolver->Clear(iterator_);
3355
3356     pkgCacheFile &cache([database_ cache]);
3357     cache->SetReInstall(iterator_, false);
3358     cache->MarkKeep(iterator_, false);
3359 } }
3360
3361 - (void) install {
3362 @synchronized (database_) {
3363     pkgProblemResolver *resolver = [database_ resolver];
3364     resolver->Clear(iterator_);
3365     resolver->Protect(iterator_);
3366
3367     pkgCacheFile &cache([database_ cache]);
3368     cache->SetReInstall(iterator_, false);
3369     cache->MarkInstall(iterator_, false);
3370
3371     pkgDepCache::StateCache &state((*cache)[iterator_]);
3372     if (!state.Install())
3373         cache->SetReInstall(iterator_, true);
3374 } }
3375
3376 - (void) remove {
3377 @synchronized (database_) {
3378     pkgProblemResolver *resolver = [database_ resolver];
3379     resolver->Clear(iterator_);
3380     resolver->Remove(iterator_);
3381     resolver->Protect(iterator_);
3382
3383     pkgCacheFile &cache([database_ cache]);
3384     cache->SetReInstall(iterator_, false);
3385     cache->MarkDelete(iterator_, true);
3386 } }
3387
3388 @end
3389 /* }}} */
3390 /* Section Class {{{ */
3391 @interface Section : NSObject {
3392     _H<NSString> name_;
3393     size_t row_;
3394     size_t count_;
3395     _H<NSString> localized_;
3396 }
3397
3398 - (NSComparisonResult) compareByLocalized:(Section *)section;
3399 - (Section *) initWithName:(NSString *)name localized:(NSString *)localized;
3400 - (Section *) initWithName:(NSString *)name localize:(BOOL)localize;
3401 - (Section *) initWithName:(NSString *)name row:(size_t)row localize:(BOOL)localize;
3402
3403 - (NSString *) name;
3404 - (void) setName:(NSString *)name;
3405
3406 - (size_t) row;
3407 - (size_t) count;
3408
3409 - (void) addToRow;
3410 - (void) addToCount;
3411
3412 - (void) setCount:(size_t)count;
3413 - (NSString *) localized;
3414
3415 @end
3416
3417 @implementation Section
3418
3419 - (NSComparisonResult) compareByLocalized:(Section *)section {
3420     NSString *lhs(localized_);
3421     NSString *rhs([section localized]);
3422
3423     /*if ([lhs length] != 0 && [rhs length] != 0) {
3424         unichar lhc = [lhs characterAtIndex:0];
3425         unichar rhc = [rhs characterAtIndex:0];
3426
3427         if (isalpha(lhc) && !isalpha(rhc))
3428             return NSOrderedAscending;
3429         else if (!isalpha(lhc) && isalpha(rhc))
3430             return NSOrderedDescending;
3431     }*/
3432
3433     return [lhs compare:rhs options:LaxCompareOptions_];
3434 }
3435
3436 - (Section *) initWithName:(NSString *)name localized:(NSString *)localized {
3437     if ((self = [self initWithName:name localize:NO]) != nil) {
3438         if (localized != nil)
3439             localized_ = localized;
3440     } return self;
3441 }
3442
3443 - (Section *) initWithName:(NSString *)name localize:(BOOL)localize {
3444     return [self initWithName:name row:0 localize:localize];
3445 }
3446
3447 - (Section *) initWithName:(NSString *)name row:(size_t)row localize:(BOOL)localize {
3448     if ((self = [super init]) != nil) {
3449         name_ = name;
3450         row_ = row;
3451         if (localize)
3452             localized_ = LocalizeSection(name_);
3453     } return self;
3454 }
3455
3456 - (NSString *) name {
3457     return name_;
3458 }
3459
3460 - (void) setName:(NSString *)name {
3461     name_ = name;
3462 }
3463
3464 - (size_t) row {
3465     return row_;
3466 }
3467
3468 - (size_t) count {
3469     return count_;
3470 }
3471
3472 - (void) addToRow {
3473     ++row_;
3474 }
3475
3476 - (void) addToCount {
3477     ++count_;
3478 }
3479
3480 - (void) setCount:(size_t)count {
3481     count_ = count;
3482 }
3483
3484 - (NSString *) localized {
3485     return localized_;
3486 }
3487
3488 @end
3489 /* }}} */
3490
3491 class CydiaLogCleaner :
3492     public pkgArchiveCleaner
3493 {
3494   protected:
3495     virtual void Erase(const char *File, std::string Pkg, std::string Ver, struct stat &St) {
3496         unlink(File);
3497     }
3498 };
3499
3500 /* Database Implementation {{{ */
3501 @implementation Database
3502
3503 + (Database *) sharedInstance {
3504     static _H<Database> instance;
3505     if (instance == nil)
3506         instance = [[[Database alloc] init] autorelease];
3507     return instance;
3508 }
3509
3510 - (unsigned) era {
3511     return era_;
3512 }
3513
3514 - (void) releasePackages {
3515     CFArrayApplyFunction(packages_, CFRangeMake(0, CFArrayGetCount(packages_)), reinterpret_cast<CFArrayApplierFunction>(&CFRelease), NULL);
3516     CFArrayRemoveAllValues(packages_);
3517 }
3518
3519 - (void) dealloc {
3520     // XXX: actually implement this thing
3521     _assert(false);
3522     [self releasePackages];
3523     apr_pool_destroy(pool_);
3524     NSRecycleZone(zone_);
3525     [super dealloc];
3526 }
3527
3528 - (void) _readCydia:(NSNumber *)fd {
3529     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3530     std::istream is(&ib);
3531     std::string line;
3532
3533     static Pcre finish_r("^finish:([^:]*)$");
3534
3535     while (std::getline(is, line)) {
3536         NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
3537
3538         const char *data(line.c_str());
3539         size_t size = line.size();
3540         lprintf("C:%s\n", data);
3541
3542         if (finish_r(data, size)) {
3543             NSString *finish = finish_r[1];
3544             int index = [Finishes_ indexOfObject:finish];
3545             if (index != INT_MAX && index > Finish_)
3546                 Finish_ = index;
3547         }
3548
3549         [pool release];
3550     }
3551
3552     _assume(false);
3553 }
3554
3555 - (void) _readStatus:(NSNumber *)fd {
3556     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3557     std::istream is(&ib);
3558     std::string line;
3559
3560     static Pcre conffile_r("^status: [^ ]* : conffile-prompt : (.*?) *$");
3561     static Pcre pmstatus_r("^([^:]*):([^:]*):([^:]*):(.*)$");
3562
3563     while (std::getline(is, line)) {
3564         NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
3565
3566         const char *data(line.c_str());
3567         size_t size(line.size());
3568         lprintf("S:%s\n", data);
3569
3570         if (conffile_r(data, size)) {
3571             // status: /fail : conffile-prompt : '/fail' '/fail.dpkg-new' 1 1
3572             [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:conffile_r[1] waitUntilDone:YES];
3573         } else if (strncmp(data, "status: ", 8) == 0) {
3574             // status: <package>: {unpacked,half-configured,installed}
3575             CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:(data + 8)] ofType:kCydiaProgressEventTypeStatus]);
3576             [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3577         } else if (strncmp(data, "processing: ", 12) == 0) {
3578             // processing: configure: config-test
3579             CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:(data + 12)] ofType:kCydiaProgressEventTypeStatus]);
3580             [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3581         } else if (pmstatus_r(data, size)) {
3582             std::string type([pmstatus_r[1] UTF8String]);
3583
3584             NSString *package = pmstatus_r[2];
3585             if ([package isEqualToString:@"dpkg-exec"])
3586                 package = nil;
3587
3588             float percent([pmstatus_r[3] floatValue]);
3589             [progress_ performSelectorOnMainThread:@selector(setProgressPercent:) withObject:[NSNumber numberWithFloat:(percent / 100)] waitUntilDone:YES];
3590
3591             NSString *string = pmstatus_r[4];
3592
3593             if (type == "pmerror") {
3594                 CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:kCydiaProgressEventTypeError forPackage:package]);
3595                 [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3596             } else if (type == "pmstatus") {
3597                 CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:kCydiaProgressEventTypeStatus forPackage:package]);
3598                 [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3599             } else if (type == "pmconffile")
3600                 [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:string waitUntilDone:YES];
3601             else
3602                 lprintf("E:unknown pmstatus\n");
3603         } else
3604             lprintf("E:unknown status\n");
3605
3606         [pool release];
3607     }
3608
3609     _assume(false);
3610 }
3611
3612 - (void) _readOutput:(NSNumber *)fd {
3613     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3614     std::istream is(&ib);
3615     std::string line;
3616
3617     while (std::getline(is, line)) {
3618         NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
3619
3620         lprintf("O:%s\n", line.c_str());
3621
3622         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:line.c_str()] ofType:kCydiaProgressEventTypeInformation]);
3623         [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3624
3625         [pool release];
3626     }
3627
3628     _assume(false);
3629 }
3630
3631 - (FILE *) input {
3632     return input_;
3633 }
3634
3635 - (Package *) packageWithName:(NSString *)name {
3636     if (name == nil)
3637         return nil;
3638 @synchronized (self) {
3639     if (static_cast<pkgDepCache *>(cache_) == NULL)
3640         return nil;
3641     pkgCache::PkgIterator iterator(cache_->FindPkg([name UTF8String]));
3642     return iterator.end() ? nil : [Package packageWithIterator:iterator withZone:NULL inPool:NULL database:self];
3643 } }
3644
3645 - (id) init {
3646     if ((self = [super init]) != nil) {
3647         policy_ = NULL;
3648         records_ = NULL;
3649         resolver_ = NULL;
3650         fetcher_ = NULL;
3651         lock_ = NULL;
3652
3653         zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
3654         apr_pool_create(&pool_, NULL);
3655
3656         size_t capacity(MetaFile_->active_);
3657         if (capacity == 0)
3658             capacity = 16384;
3659         else
3660             capacity += 1024;
3661
3662         packages_ = CFArrayCreateMutable(kCFAllocatorDefault, capacity, NULL);
3663         sourceList_ = [NSMutableArray arrayWithCapacity:16];
3664
3665         int fds[2];
3666
3667         _assert(pipe(fds) != -1);
3668         cydiafd_ = fds[1];
3669
3670         _config->Set("APT::Keep-Fds::", cydiafd_);
3671         setenv("CYDIA", [[[[NSNumber numberWithInt:cydiafd_] stringValue] stringByAppendingString:@" 1"] UTF8String], _not(int));
3672
3673         [NSThread
3674             detachNewThreadSelector:@selector(_readCydia:)
3675             toTarget:self
3676             withObject:[NSNumber numberWithInt:fds[0]]
3677         ];
3678
3679         _assert(pipe(fds) != -1);
3680         statusfd_ = fds[1];
3681
3682         [NSThread
3683             detachNewThreadSelector:@selector(_readStatus:)
3684             toTarget:self
3685             withObject:[NSNumber numberWithInt:fds[0]]
3686         ];
3687
3688         _assert(pipe(fds) != -1);
3689         _assert(dup2(fds[0], 0) != -1);
3690         _assert(close(fds[0]) != -1);
3691
3692         input_ = fdopen(fds[1], "a");
3693
3694         _assert(pipe(fds) != -1);
3695         _assert(dup2(fds[1], 1) != -1);
3696         _assert(close(fds[1]) != -1);
3697
3698         [NSThread
3699             detachNewThreadSelector:@selector(_readOutput:)
3700             toTarget:self
3701             withObject:[NSNumber numberWithInt:fds[0]]
3702         ];
3703     } return self;
3704 }
3705
3706 - (pkgCacheFile &) cache {
3707     return cache_;
3708 }
3709
3710 - (pkgDepCache::Policy *) policy {
3711     return policy_;
3712 }
3713
3714 - (pkgRecords *) records {
3715     return records_;
3716 }
3717
3718 - (pkgProblemResolver *) resolver {
3719     return resolver_;
3720 }
3721
3722 - (pkgAcquire &) fetcher {
3723     return *fetcher_;
3724 }
3725
3726 - (pkgSourceList &) list {
3727     return *list_;
3728 }
3729
3730 - (NSArray *) packages {
3731     return (NSArray *) packages_;
3732 }
3733
3734 - (NSArray *) sources {
3735     return sourceList_;
3736 }
3737
3738 - (Source *) sourceWithKey:(NSString *)key {
3739     for (Source *source in [self sources]) {
3740         if ([[source key] isEqualToString:key])
3741             return source;
3742     } return nil;
3743 }
3744
3745 - (bool) popErrorWithTitle:(NSString *)title {
3746     bool fatal(false);
3747
3748     while (!_error->empty()) {
3749         std::string error;
3750         bool warning(!_error->PopMessage(error));
3751         if (!warning)
3752             fatal = true;
3753
3754         for (;;) {
3755             size_t size(error.size());
3756             if (size == 0 || error[size - 1] != '\n')
3757                 break;
3758             error.resize(size - 1);
3759         }
3760
3761         lprintf("%c:[%s]\n", warning ? 'W' : 'E', error.c_str());
3762
3763         static Pcre no_pubkey("^GPG error:.* NO_PUBKEY .*$");
3764         if (warning && no_pubkey(error.c_str()))
3765             continue;
3766
3767         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? kCydiaProgressEventTypeWarning : kCydiaProgressEventTypeError)] forTask:title];
3768     }
3769
3770     return fatal;
3771 }
3772
3773 - (bool) popErrorWithTitle:(NSString *)title forOperation:(bool)success {
3774     return [self popErrorWithTitle:title] || !success;
3775 }
3776
3777 - (void) reloadDataWithInvocation:(NSInvocation *)invocation {
3778 @synchronized (self) {
3779     ++era_;
3780
3781     [self releasePackages];
3782
3783     sourceMap_.clear();
3784     [sourceList_ removeAllObjects];
3785
3786     _error->Discard();
3787
3788     delete list_;
3789     list_ = NULL;
3790     manager_ = NULL;
3791     delete lock_;
3792     lock_ = NULL;
3793     delete fetcher_;
3794     fetcher_ = NULL;
3795     delete resolver_;
3796     resolver_ = NULL;
3797     delete records_;
3798     records_ = NULL;
3799     delete policy_;
3800     policy_ = NULL;
3801
3802     cache_.Close();
3803
3804     apr_pool_clear(pool_);
3805
3806     NSRecycleZone(zone_);
3807     zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
3808
3809     int chk(creat("/tmp/cydia.chk", 0644));
3810     if (chk != -1)
3811         close(chk);
3812
3813     if (invocation != nil)
3814         [invocation invoke];
3815
3816     NSString *title(UCLocalize("DATABASE"));
3817
3818     list_ = new pkgSourceList();
3819     _profile(reloadDataWithInvocation$ReadMainList)
3820     if ([self popErrorWithTitle:title forOperation:list_->ReadMainList()])
3821         return;
3822     _end
3823
3824     _profile(reloadDataWithInvocation$Source$initWithMetaIndex)
3825     for (pkgSourceList::const_iterator source = list_->begin(); source != list_->end(); ++source) {
3826         Source *object([[[Source alloc] initWithMetaIndex:*source forDatabase:self inPool:pool_] autorelease]);
3827         [sourceList_ addObject:object];
3828     }
3829     _end
3830
3831     _root(_system->Lock());
3832
3833     _trace();
3834     OpProgress progress;
3835     bool opened;
3836   open:
3837     _profile(reloadDataWithInvocation$pkgCacheFile)
3838         opened = cache_.Open(progress, false);
3839     _end
3840     if (!opened) {
3841         // XXX: what if there are errors, but Open() == true? this should be merged with popError:
3842         while (!_error->empty()) {
3843             std::string error;
3844             bool warning(!_error->PopMessage(error));
3845
3846             lprintf("cache_.Open():[%s]\n", error.c_str());
3847
3848             [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? kCydiaProgressEventTypeWarning : kCydiaProgressEventTypeError)] forTask:title];
3849
3850             SEL repair(NULL);
3851             if (false);
3852             else if (error == "dpkg was interrupted, you must manually run 'dpkg --configure -a' to correct the problem. ")
3853                 repair = @selector(configure);
3854             //else if (error == "The package lists or status file could not be parsed or opened.")
3855             //    repair = @selector(update);
3856             // else if (error == "Could not get lock /var/lib/dpkg/lock - open (35 Resource temporarily unavailable)")
3857             // else if (error == "Could not open lock file /var/lib/dpkg/lock - open (13 Permission denied)")
3858             // else if (error == "Malformed Status line")
3859             // else if (error == "The list of sources could not be read.")
3860
3861             if (repair != NULL) {
3862                 _error->Discard();
3863                 [delegate_ repairWithSelector:repair];
3864                 goto open;
3865             }
3866         }
3867
3868         _system->UnLock();
3869         return;
3870     }
3871     _trace();
3872
3873     unlink("/tmp/cydia.chk");
3874
3875     now_ = [[NSDate date] timeIntervalSince1970];
3876
3877     policy_ = new pkgDepCache::Policy();
3878     records_ = new pkgRecords(cache_);
3879     resolver_ = new pkgProblemResolver(cache_);
3880     fetcher_ = new pkgAcquire(&status_);
3881     lock_ = NULL;
3882
3883     if (cache_->DelCount() != 0 || cache_->InstCount() != 0) {
3884         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("COUNTS_NONZERO_EX") ofType:kCydiaProgressEventTypeError] forTask:title];
3885         return;
3886     }
3887
3888     _profile(reloadDataWithInvocation$pkgApplyStatus)
3889     if ([self popErrorWithTitle:title forOperation:pkgApplyStatus(cache_)])
3890         return;
3891     _end
3892
3893     if (cache_->BrokenCount() != 0) {
3894         _profile(pkgApplyStatus$pkgFixBroken)
3895         if ([self popErrorWithTitle:title forOperation:pkgFixBroken(cache_)])
3896             return;
3897         _end
3898
3899         if (cache_->BrokenCount() != 0) {
3900             [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("STILL_BROKEN_EX") ofType:kCydiaProgressEventTypeError] forTask:title];
3901             return;
3902         }
3903
3904         _profile(pkgApplyStatus$pkgMinimizeUpgrade)
3905         if ([self popErrorWithTitle:title forOperation:pkgMinimizeUpgrade(cache_)])
3906             return;
3907         _end
3908     }
3909
3910     for (Source *object in (id) sourceList_) {
3911         metaIndex *source([object metaIndex]);
3912         std::vector<pkgIndexFile *> *indices = source->GetIndexFiles();
3913         for (std::vector<pkgIndexFile *>::const_iterator index = indices->begin(); index != indices->end(); ++index)
3914             // XXX: this could be more intelligent
3915             if (dynamic_cast<debPackagesIndex *>(*index) != NULL) {
3916                 pkgCache::PkgFileIterator cached((*index)->FindInCache(cache_));
3917                 if (!cached.end())
3918                     sourceMap_[cached->ID] = object;
3919             }
3920     }
3921
3922     {
3923         /*std::vector<Package *> packages;
3924         packages.reserve(std::max(10000U, [packages_ count] + 1000));
3925         packages_ = nil;*/
3926
3927         _profile(reloadDataWithInvocation$packageWithIterator)
3928         for (pkgCache::PkgIterator iterator = cache_->PkgBegin(); !iterator.end(); ++iterator)
3929             if (Package *package = [Package packageWithIterator:iterator withZone:zone_ inPool:pool_ database:self])
3930                 //packages.push_back(package);
3931                 CFArrayAppendValue(packages_, CFRetain(package));
3932         _end
3933
3934
3935         /*if (packages.empty())
3936             packages_ = [[NSArray alloc] init];
3937         else
3938             packages_ = [[NSArray alloc] initWithObjects:&packages.front() count:packages.size()];
3939         _trace();*/
3940
3941         _profile(reloadDataWithInvocation$radix$8)
3942         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<MenesRadixSortFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(8)];
3943         _end
3944
3945         _profile(reloadDataWithInvocation$radix$4)
3946         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<MenesRadixSortFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(4)];
3947         _end
3948
3949         _profile(reloadDataWithInvocation$radix$0)
3950         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<MenesRadixSortFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(0)];
3951         _end
3952
3953         _profile(reloadDataWithInvocation$insertion)
3954         CFArrayInsertionSortValues(packages_, CFRangeMake(0, CFArrayGetCount(packages_)), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare), NULL);
3955         _end
3956
3957         /*_profile(reloadDataWithInvocation$CFQSortArray)
3958         CFQSortArray(&packages.front(), packages.size(), sizeof(packages.front()), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare_), NULL);
3959         _end*/
3960
3961         /*_profile(reloadDataWithInvocation$stdsort)
3962         std::sort(packages.begin(), packages.end(), PackageNameOrdering());
3963         _end*/
3964
3965         /*_profile(reloadDataWithInvocation$CFArraySortValues)
3966         CFArraySortValues((CFMutableArrayRef) packages_, CFRangeMake(0, [packages_ count]), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare), NULL);
3967         _end*/
3968
3969         /*_profile(reloadDataWithInvocation$sortUsingFunction)
3970         [packages_ sortUsingFunction:reinterpret_cast<NSComparisonResult (*)(id, id, void *)>(&PackageNameCompare) context:NULL];
3971         _end*/
3972
3973
3974         size_t count(CFArrayGetCount(packages_));
3975         MetaFile_->active_ = count;
3976         for (size_t index(0); index != count; ++index)
3977             [(Package *) CFArrayGetValueAtIndex(packages_, index) setIndex:index];
3978     }
3979 } }
3980
3981 - (void) clear {
3982 @synchronized (self) {
3983     delete resolver_;
3984     resolver_ = new pkgProblemResolver(cache_);
3985
3986     for (pkgCache::PkgIterator iterator(cache_->PkgBegin()); !iterator.end(); ++iterator)
3987         if (!cache_[iterator].Keep())
3988             cache_->MarkKeep(iterator, false);
3989         else if ((cache_[iterator].iFlags & pkgDepCache::ReInstall) != 0)
3990             cache_->SetReInstall(iterator, false);
3991 } }
3992
3993 - (void) configure {
3994     NSString *dpkg = [NSString stringWithFormat:@"dpkg --configure -a --status-fd %u", statusfd_];
3995     _trace();
3996     _root(system([dpkg UTF8String]));
3997     _trace();
3998 }
3999
4000 - (bool) clean {
4001 @synchronized (self) {
4002     // XXX: I don't remember this condition
4003     if (lock_ != NULL)
4004         return false;
4005
4006     FileFd Lock;
4007     Lock.Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
4008
4009     NSString *title(UCLocalize("CLEAN_ARCHIVES"));
4010
4011     if ([self popErrorWithTitle:title])
4012         return false;
4013
4014     pkgAcquire fetcher;
4015     fetcher.Clean(_config->FindDir("Dir::Cache::Archives"));
4016
4017     CydiaLogCleaner cleaner;
4018     if ([self popErrorWithTitle:title forOperation:cleaner.Go(_config->FindDir("Dir::Cache::Archives") + "partial/", cache_)])
4019         return false;
4020
4021     return true;
4022 } }
4023
4024 - (bool) prepare {
4025     fetcher_->Shutdown();
4026
4027     pkgRecords records(cache_);
4028
4029     lock_ = new FileFd();
4030     lock_->Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
4031
4032     NSString *title(UCLocalize("PREPARE_ARCHIVES"));
4033
4034     if ([self popErrorWithTitle:title])
4035         return false;
4036
4037     pkgSourceList list;
4038     if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
4039         return false;
4040
4041     manager_ = (_system->CreatePM(cache_));
4042     if ([self popErrorWithTitle:title forOperation:manager_->GetArchives(fetcher_, &list, &records)])
4043         return false;
4044
4045     return true;
4046 }
4047
4048 - (void) perform {
4049     bool substrate(RestartSubstrate_);
4050     RestartSubstrate_ = false;
4051
4052     NSString *title(UCLocalize("PERFORM_SELECTIONS"));
4053
4054     NSMutableArray *before = [NSMutableArray arrayWithCapacity:16]; {
4055         pkgSourceList list;
4056         if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
4057             return;
4058         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
4059             [before addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
4060     }
4061
4062     [delegate_ performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
4063
4064     if (fetcher_->Run(PulseInterval_) != pkgAcquire::Continue) {
4065         _trace();
4066         [self popErrorWithTitle:title];
4067         return;
4068     }
4069
4070     bool failed = false;
4071     for (pkgAcquire::ItemIterator item = fetcher_->ItemsBegin(); item != fetcher_->ItemsEnd(); item++) {
4072         if ((*item)->Status == pkgAcquire::Item::StatDone && (*item)->Complete)
4073             continue;
4074         if ((*item)->Status == pkgAcquire::Item::StatIdle)
4075             continue;
4076
4077         std::string uri = (*item)->DescURI();
4078         std::string error = (*item)->ErrorText;
4079
4080         lprintf("pAf:%s:%s\n", uri.c_str(), error.c_str());
4081         failed = true;
4082
4083         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:kCydiaProgressEventTypeError]);
4084         [delegate_ addProgressEventOnMainThread:event forTask:title];
4085     }
4086
4087     [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
4088
4089     if (failed) {
4090         _trace();
4091         return;
4092     }
4093
4094     if (substrate)
4095         RestartSubstrate_ = true;
4096
4097     _system->UnLock();
4098     pkgPackageManager::OrderResult result(_root(manager_->DoInstall(statusfd_)));
4099     if ([self popErrorWithTitle:title])
4100         return;
4101
4102     if (result == pkgPackageManager::Failed) {
4103         _trace();
4104         return;
4105     }
4106
4107     if (result != pkgPackageManager::Completed) {
4108         _trace();
4109         return;
4110     }
4111
4112     NSMutableArray *after = [NSMutableArray arrayWithCapacity:16]; {
4113         pkgSourceList list;
4114         if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
4115             return;
4116         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
4117             [after addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
4118     }
4119
4120     if (![before isEqualToArray:after])
4121         [self update];
4122 }
4123
4124 - (bool) upgrade {
4125     NSString *title(UCLocalize("UPGRADE"));
4126     if ([self popErrorWithTitle:title forOperation:pkgDistUpgrade(cache_)])
4127         return false;
4128     return true;
4129 }
4130
4131 - (void) update {
4132     [self updateWithStatus:status_];
4133 }
4134
4135 - (void) updateWithStatus:(CancelStatus &)status {
4136     NSString *title(UCLocalize("REFRESHING_DATA"));
4137
4138     pkgSourceList list;
4139     if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
4140         return;
4141
4142     FileFd lock;
4143     lock.Fd(GetLock(_config->FindDir("Dir::State::Lists") + "lock"));
4144     if ([self popErrorWithTitle:title])
4145         return;
4146
4147     [delegate_ performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
4148
4149     bool success(ListUpdate(status, list, PulseInterval_));
4150     if (status.WasCancelled())
4151         _error->Discard();
4152     else {
4153         [self popErrorWithTitle:title forOperation:success];
4154         [Metadata_ setObject:[NSDate date] forKey:@"LastUpdate"];
4155         Changed_ = true;
4156     }
4157
4158     [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
4159 }
4160
4161 - (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate {
4162     delegate_ = delegate;
4163 }
4164
4165 - (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate {
4166     progress_ = delegate;
4167     status_.setDelegate(delegate);
4168 }
4169
4170 - (NSObject<ProgressDelegate> *) progressDelegate {
4171     return progress_;
4172 }
4173
4174 - (Source *) getSource:(pkgCache::PkgFileIterator)file {
4175     SourceMap::const_iterator i(sourceMap_.find(file->ID));
4176     return i == sourceMap_.end() ? nil : i->second;
4177 }
4178
4179 - (void) setFetch:(bool)fetch forURI:(const char *)uri {
4180     for (Source *source in (id) sourceList_)
4181         [source setFetch:fetch forURI:uri];
4182 }
4183
4184 - (void) resetFetch {
4185     for (Source *source in (id) sourceList_)
4186         [source resetFetch];
4187 }
4188
4189 - (NSString *) mappedSectionForPointer:(const char *)section {
4190     _H<NSString> *mapped;
4191
4192     _profile(Database$mappedSectionForPointer$Cache)
4193         mapped = &sections_[section];
4194     _end
4195
4196     if (*mapped == NULL) {
4197         size_t length(strlen(section));
4198         char spaced[length + 1];
4199
4200         _profile(Database$mappedSectionForPointer$Replace)
4201             for (size_t index(0); index != length; ++index)
4202                 spaced[index] = section[index] == '_' ? ' ' : section[index];
4203             spaced[length] = '\0';
4204         _end
4205
4206         NSString *string;
4207
4208         _profile(Database$mappedSectionForPointer$stringWithUTF8String)
4209             string = [NSString stringWithUTF8String:spaced];
4210         _end
4211
4212         _profile(Database$mappedSectionForPointer$Map)
4213             string = [SectionMap_ objectForKey:string] ?: string;
4214         _end
4215
4216         *mapped = string;
4217     } return *mapped;
4218 }
4219
4220 @end
4221 /* }}} */
4222
4223 static _H<NSMutableSet> Diversions_;
4224
4225 @interface Diversion : NSObject {
4226     Pcre pattern_;
4227     _H<NSString> key_;
4228     _H<NSString> format_;
4229 }
4230
4231 @end
4232
4233 @implementation Diversion
4234
4235 - (id) initWithFrom:(NSString *)from to:(NSString *)to {
4236     if ((self = [super init]) != nil) {
4237         pattern_ = [from UTF8String];
4238         key_ = from;
4239         format_ = to;
4240     } return self;
4241 }
4242
4243 - (NSString *) divert:(NSString *)url {
4244     return !pattern_(url) ? nil : pattern_->*format_;
4245 }
4246
4247 + (NSURL *) divertURL:(NSURL *)url {
4248   divert:
4249     NSString *href([url absoluteString]);
4250
4251     for (Diversion *diversion in (id) Diversions_)
4252         if (NSString *diverted = [diversion divert:href]) {
4253 #if !ForRelease
4254             NSLog(@"div: %@", diverted);
4255 #endif
4256             url = [NSURL URLWithString:diverted];
4257             goto divert;
4258         }
4259
4260     return url;
4261 }
4262
4263 - (NSString *) key {
4264     return key_;
4265 }
4266
4267 - (NSUInteger) hash {
4268     return [key_ hash];
4269 }
4270
4271 - (BOOL) isEqual:(Diversion *)object {
4272     return self == object || [self class] == [object class] && [key_ isEqual:[object key]];
4273 }
4274
4275 @end
4276
4277 @interface CydiaObject : NSObject {
4278     _H<CyteWebViewController> indirect_;
4279     _transient id delegate_;
4280 }
4281
4282 - (id) initWithDelegate:(IndirectDelegate *)indirect;
4283
4284 @end
4285
4286 @class CydiaObject;
4287
4288 @interface CydiaWebViewController : CyteWebViewController {
4289     _H<CydiaObject> cydia_;
4290 }
4291
4292 + (void) addDiversion:(Diversion *)diversion;
4293 + (NSURLRequest *) requestWithHeaders:(NSURLRequest *)request;
4294 + (void) didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame withCydia:(CydiaObject *)cydia;
4295 - (void) setDelegate:(id)delegate;
4296
4297 @end
4298
4299 /* Web Scripting {{{ */
4300 @implementation CydiaObject
4301
4302 - (id) initWithDelegate:(IndirectDelegate *)indirect {
4303     if ((self = [super init]) != nil) {
4304         indirect_ = (CyteWebViewController *) indirect;
4305     } return self;
4306 }
4307
4308 - (void) setDelegate:(id)delegate {
4309     delegate_ = delegate;
4310 }
4311
4312 + (NSArray *) _attributeKeys {
4313     return [NSArray arrayWithObjects:
4314         @"bbsnum",
4315         @"build",
4316         @"coreFoundationVersionNumber",
4317         @"device",
4318         @"ecid",
4319         @"firmware",
4320         @"hostname",
4321         @"idiom",
4322         @"mcc",
4323         @"mnc",
4324         @"model",
4325         @"operator",
4326         @"role",
4327         @"serial",
4328         @"token",
4329         @"version",
4330     nil];
4331 }
4332
4333 - (NSArray *) attributeKeys {
4334     return [[self class] _attributeKeys];
4335 }
4336
4337 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
4338     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
4339 }
4340
4341 - (NSString *) version {
4342     return Cydia_;
4343 }
4344
4345 - (NSString *) build {
4346     return System_;
4347 }
4348
4349 - (NSString *) coreFoundationVersionNumber {
4350     return [NSString stringWithFormat:@"%.2f", kCFCoreFoundationVersionNumber];
4351 }
4352
4353 - (NSString *) device {
4354     return UniqueIdentifier();
4355 }
4356
4357 - (NSString *) firmware {
4358     return [[UIDevice currentDevice] systemVersion];
4359 }
4360
4361 - (NSString *) hostname {
4362     return [[UIDevice currentDevice] name];
4363 }
4364
4365 - (NSString *) idiom {
4366     return (id) Idiom_ ?: [NSNull null];
4367 }
4368
4369 - (NSString *) mcc {
4370     if (CFStringRef (*$CTSIMSupportCopyMobileSubscriberCountryCode)(CFAllocatorRef) = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberCountryCode")))
4371         return [(NSString *) (*$CTSIMSupportCopyMobileSubscriberCountryCode)(kCFAllocatorDefault) autorelease];
4372     return nil;
4373 }
4374
4375 - (NSString *) mnc {
4376     if (CFStringRef (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(CFAllocatorRef) = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberNetworkCode")))
4377         return [(NSString *) (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(kCFAllocatorDefault) autorelease];
4378     return nil;
4379 }
4380
4381 - (NSString *) operator {
4382     if (CFStringRef (*$CTRegistrationCopyOperatorName)(CFAllocatorRef) = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTRegistrationCopyOperatorName")))
4383         return [(NSString *) (*$CTRegistrationCopyOperatorName)(kCFAllocatorDefault) autorelease];
4384     return nil;
4385 }
4386
4387 - (NSString *) bbsnum {
4388     return (id) BBSNum_ ?: [NSNull null];
4389 }
4390
4391 - (NSString *) ecid {
4392     return (id) ChipID_ ?: [NSNull null];
4393 }
4394
4395 - (NSString *) serial {
4396     return SerialNumber_;
4397 }
4398
4399 - (NSString *) role {
4400     return (id) [NSNull null];
4401 }
4402
4403 - (NSString *) model {
4404     return [NSString stringWithUTF8String:Machine_];
4405 }
4406
4407 - (NSString *) token {
4408     return (id) Token_ ?: [NSNull null];
4409 }
4410
4411 + (NSString *) webScriptNameForSelector:(SEL)selector {
4412     if (false);
4413     else if (selector == @selector(addBridgedHost:))
4414         return @"addBridgedHost";
4415     else if (selector == @selector(addInsecureHost:))
4416         return @"addInsecureHost";
4417     else if (selector == @selector(addInternalRedirect::))
4418         return @"addInternalRedirect";
4419     else if (selector == @selector(addPipelinedHost:scheme:))
4420         return @"addPipelinedHost";
4421     else if (selector == @selector(addSource:::))
4422         return @"addSource";
4423     else if (selector == @selector(addTokenHost:))
4424         return @"addTokenHost";
4425     else if (selector == @selector(addTrivialSource:))
4426         return @"addTrivialSource";
4427     else if (selector == @selector(close))
4428         return @"close";
4429     else if (selector == @selector(du:))
4430         return @"du";
4431     else if (selector == @selector(stringWithFormat:arguments:))
4432         return @"format";
4433     else if (selector == @selector(getAllSources))
4434         return @"getAllSources";
4435     else if (selector == @selector(getApplicationInfo:value:))
4436         return @"getApplicationInfoValue";
4437     else if (selector == @selector(getKernelNumber:))
4438         return @"getKernelNumber";
4439     else if (selector == @selector(getKernelString:))
4440         return @"getKernelString";
4441     else if (selector == @selector(getInstalledPackages))
4442         return @"getInstalledPackages";
4443     else if (selector == @selector(getIORegistryEntry::))
4444         return @"getIORegistryEntry";
4445     else if (selector == @selector(getLocaleIdentifier))
4446         return @"getLocaleIdentifier";
4447     else if (selector == @selector(getPreferredLanguages))
4448         return @"getPreferredLanguages";
4449     else if (selector == @selector(getPackageById:))
4450         return @"getPackageById";
4451     else if (selector == @selector(getMetadataKeys))
4452         return @"getMetadataKeys";
4453     else if (selector == @selector(getMetadataValue:))
4454         return @"getMetadataValue";
4455     else if (selector == @selector(getSessionValue:))
4456         return @"getSessionValue";
4457     else if (selector == @selector(installPackages:))
4458         return @"installPackages";
4459     else if (selector == @selector(isReachable:))
4460         return @"isReachable";
4461     else if (selector == @selector(localizedStringForKey:value:table:))
4462         return @"localize";
4463     else if (selector == @selector(popViewController:))
4464         return @"popViewController";
4465     else if (selector == @selector(refreshSources))
4466         return @"refreshSources";
4467     else if (selector == @selector(registerFrame:))
4468         return @"registerFrame";
4469     else if (selector == @selector(removeButton))
4470         return @"removeButton";
4471     else if (selector == @selector(saveConfig))
4472         return @"saveConfig";
4473     else if (selector == @selector(setMetadataValue::))
4474         return @"setMetadataValue";
4475     else if (selector == @selector(setSessionValue::))
4476         return @"setSessionValue";
4477     else if (selector == @selector(substitutePackageNames:))
4478         return @"substitutePackageNames";
4479     else if (selector == @selector(scrollToBottom:))
4480         return @"scrollToBottom";
4481     else if (selector == @selector(setAllowsNavigationAction:))
4482         return @"setAllowsNavigationAction";
4483     else if (selector == @selector(setBadgeValue:))
4484         return @"setBadgeValue";
4485     else if (selector == @selector(setButtonImage:withStyle:toFunction:))
4486         return @"setButtonImage";
4487     else if (selector == @selector(setButtonTitle:withStyle:toFunction:))
4488         return @"setButtonTitle";
4489     else if (selector == @selector(setHidesBackButton:))
4490         return @"setHidesBackButton";
4491     else if (selector == @selector(setHidesNavigationBar:))
4492         return @"setHidesNavigationBar";
4493     else if (selector == @selector(setNavigationBarStyle:))
4494         return @"setNavigationBarStyle";
4495     else if (selector == @selector(setNavigationBarTintRed:green:blue:alpha:))
4496         return @"setNavigationBarTintColor";
4497     else if (selector == @selector(setPasteboardString:))
4498         return @"setPasteboardString";
4499     else if (selector == @selector(setPasteboardURL:))
4500         return @"setPasteboardURL";
4501     else if (selector == @selector(setScrollAlwaysBounceVertical:))
4502         return @"setScrollAlwaysBounceVertical";
4503     else if (selector == @selector(setScrollIndicatorStyle:))
4504         return @"setScrollIndicatorStyle";
4505     else if (selector == @selector(setToken:))
4506         return @"setToken";
4507     else if (selector == @selector(setViewportWidth:))
4508         return @"setViewportWidth";
4509     else if (selector == @selector(statfs:))
4510         return @"statfs";
4511     else if (selector == @selector(supports:))
4512         return @"supports";
4513     else if (selector == @selector(unload))
4514         return @"unload";
4515     else
4516         return nil;
4517 }
4518
4519 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
4520     return [self webScriptNameForSelector:selector] == nil;
4521 }
4522
4523 - (BOOL) supports:(NSString *)feature {
4524     return [feature isEqualToString:@"window.open"];
4525 }
4526
4527 - (void) unload {
4528     [delegate_ performSelectorOnMainThread:@selector(unloadData) withObject:nil waitUntilDone:NO];
4529 }
4530
4531 - (void) setScrollAlwaysBounceVertical:(NSNumber *)value {
4532     [indirect_ performSelectorOnMainThread:@selector(setScrollAlwaysBounceVerticalNumber:) withObject:value waitUntilDone:NO];
4533 }
4534
4535 - (void) setScrollIndicatorStyle:(NSString *)style {
4536     [indirect_ performSelectorOnMainThread:@selector(setScrollIndicatorStyleWithName:) withObject:style waitUntilDone:NO];
4537 }
4538
4539 - (void) addInternalRedirect:(NSString *)from :(NSString *)to {
4540     [CydiaWebViewController performSelectorOnMainThread:@selector(addDiversion:) withObject:[[[Diversion alloc] initWithFrom:from to:to] autorelease] waitUntilDone:NO];
4541 }
4542
4543 - (NSDictionary *) getApplicationInfo:(NSString *)display value:(NSString *)key {
4544     char path[1024];
4545     if (SBBundlePathForDisplayIdentifier(SBSSpringBoardServerPort(), [display UTF8String], path) != 0)
4546         return (id) [NSNull null];
4547     NSDictionary *info([NSDictionary dictionaryWithContentsOfFile:[[NSString stringWithUTF8String:path] stringByAppendingString:@"/Info.plist"]]);
4548     if (info == nil)
4549         return (id) [NSNull null];
4550     return [info objectForKey:key];
4551 }
4552
4553 - (NSNumber *) getKernelNumber:(NSString *)name {
4554     const char *string([name UTF8String]);
4555
4556     size_t size;
4557     if (sysctlbyname(string, NULL, &size, NULL, 0) == -1)
4558         return (id) [NSNull null];
4559
4560     if (size != sizeof(int))
4561         return (id) [NSNull null];
4562
4563     int value;
4564     if (sysctlbyname(string, &value, &size, NULL, 0) == -1)
4565         return (id) [NSNull null];
4566
4567     return [NSNumber numberWithInt:value];
4568 }
4569
4570 - (NSString *) getKernelString:(NSString *)name {
4571     const char *string([name UTF8String]);
4572
4573     size_t size;
4574     if (sysctlbyname(string, NULL, &size, NULL, 0) == -1)
4575         return (id) [NSNull null];
4576
4577     char value[size + 1];
4578     if (sysctlbyname(string, value, &size, NULL, 0) == -1)
4579         return (id) [NSNull null];
4580
4581     // XXX: just in case you request something ludicrous
4582     value[size] = '\0';
4583
4584     return [NSString stringWithCString:value];
4585 }
4586
4587 - (NSObject *) getIORegistryEntry:(NSString *)path :(NSString *)entry {
4588     NSObject *value(CYIOGetValue([path UTF8String], entry));
4589
4590     if (value != nil)
4591         if ([value isKindOfClass:[NSData class]])
4592             value = CYHex((NSData *) value);
4593
4594     return value;
4595 }
4596
4597 - (NSArray *) getMetadataKeys {
4598 @synchronized (Values_) {
4599     return [Values_ allKeys];
4600 } }
4601
4602 - (void) registerFrame:(DOMHTMLIFrameElement *)iframe {
4603     WebFrame *frame([iframe contentFrame]);
4604     [indirect_ registerFrame:frame];
4605 }
4606
4607 - (id) getMetadataValue:(NSString *)key {
4608 @synchronized (Values_) {
4609     return [Values_ objectForKey:key];
4610 } }
4611
4612 - (void) setMetadataValue:(NSString *)key :(NSString *)value {
4613 @synchronized (Values_) {
4614     if (value == nil || value == (id) [WebUndefined undefined] || value == (id) [NSNull null])
4615         [Values_ removeObjectForKey:key];
4616     else
4617         [Values_ setObject:value forKey:key];
4618
4619     [delegate_ performSelectorOnMainThread:@selector(updateValues) withObject:nil waitUntilDone:YES];
4620 } }
4621
4622 - (id) getSessionValue:(NSString *)key {
4623 @synchronized (SessionData_) {
4624     return [SessionData_ objectForKey:key];
4625 } }
4626
4627 - (void) setSessionValue:(NSString *)key :(NSString *)value {
4628 @synchronized (SessionData_) {
4629     if (value == (id) [WebUndefined undefined])
4630         [SessionData_ removeObjectForKey:key];
4631     else
4632         [SessionData_ setObject:value forKey:key];
4633 } }
4634
4635 - (void) addBridgedHost:(NSString *)host {
4636 @synchronized (HostConfig_) {
4637     [BridgedHosts_ addObject:host];
4638 } }
4639
4640 - (void) addInsecureHost:(NSString *)host {
4641 @synchronized (HostConfig_) {
4642     [InsecureHosts_ addObject:host];
4643 } }
4644
4645 - (void) addTokenHost:(NSString *)host {
4646 @synchronized (HostConfig_) {
4647     [TokenHosts_ addObject:host];
4648 } }
4649
4650 - (void) addPipelinedHost:(NSString *)host scheme:(NSString *)scheme {
4651 @synchronized (HostConfig_) {
4652     if (scheme != (id) [WebUndefined undefined])
4653         host = [NSString stringWithFormat:@"%@:%@", [scheme lowercaseString], host];
4654
4655     [PipelinedHosts_ addObject:host];
4656 } }
4657
4658 - (void) popViewController:(NSNumber *)value {
4659     if (value == (id) [WebUndefined undefined])
4660         value = [NSNumber numberWithBool:YES];
4661     [indirect_ performSelectorOnMainThread:@selector(popViewControllerWithNumber:) withObject:value waitUntilDone:NO];
4662 }
4663
4664 - (void) addSource:(NSString *)href :(NSString *)distribution :(WebScriptObject *)sections {
4665     NSMutableArray *array([NSMutableArray arrayWithCapacity:[sections count]]);
4666
4667     for (NSString *section in sections)
4668         [array addObject:section];
4669
4670     [delegate_ performSelectorOnMainThread:@selector(addSource:) withObject:[NSMutableDictionary dictionaryWithObjectsAndKeys:
4671         @"deb", @"Type",
4672         href, @"URI",
4673         distribution, @"Distribution",
4674         array, @"Sections",
4675     nil] waitUntilDone:NO];
4676 }
4677
4678 - (void) addTrivialSource:(NSString *)href {
4679     [delegate_ performSelectorOnMainThread:@selector(addTrivialSource:) withObject:href waitUntilDone:NO];
4680 }
4681
4682 - (void) refreshSources {
4683     [delegate_ performSelectorOnMainThread:@selector(syncData) withObject:nil waitUntilDone:NO];
4684 }
4685
4686 - (void) saveConfig {
4687     [delegate_ performSelectorOnMainThread:@selector(_saveConfig) withObject:nil waitUntilDone:NO];
4688 }
4689
4690 - (NSArray *) getAllSources {
4691     return [[Database sharedInstance] sources];
4692 }
4693
4694 - (NSArray *) getInstalledPackages {
4695     Database *database([Database sharedInstance]);
4696 @synchronized (database) {
4697     NSArray *packages([database packages]);
4698     NSMutableArray *installed([NSMutableArray arrayWithCapacity:1024]);
4699     for (Package *package in packages)
4700         if (![package uninstalled])
4701             [installed addObject:package];
4702     return installed;
4703 } }
4704
4705 - (Package *) getPackageById:(NSString *)id {
4706     if (Package *package = [[Database sharedInstance] packageWithName:id]) {
4707         [package parse];
4708         return package;
4709     } else
4710         return (Package *) [NSNull null];
4711 }
4712
4713 - (NSString *) getLocaleIdentifier {
4714     return Locale_ == NULL ? (NSString *) [NSNull null] : (NSString *) CFLocaleGetIdentifier(Locale_);
4715 }
4716
4717 - (NSArray *) getPreferredLanguages {
4718     return Languages_;
4719 }
4720
4721 - (NSArray *) statfs:(NSString *)path {
4722     struct statfs stat;
4723
4724     if (path == nil || statfs([path UTF8String], &stat) == -1)
4725         return nil;
4726
4727     return [NSArray arrayWithObjects:
4728         [NSNumber numberWithUnsignedLong:stat.f_bsize],
4729         [NSNumber numberWithUnsignedLong:stat.f_blocks],
4730         [NSNumber numberWithUnsignedLong:stat.f_bfree],
4731     nil];
4732 }
4733
4734 - (NSNumber *) du:(NSString *)path {
4735     NSNumber *value(nil);
4736
4737     int fds[2];
4738     _assert(pipe(fds) != -1);
4739
4740     pid_t pid(ExecFork());
4741     if (pid == 0) {
4742         _assert(dup2(fds[1], 1) != -1);
4743         _assert(close(fds[0]) != -1);
4744         _assert(close(fds[1]) != -1);
4745         /* XXX: this should probably not use du */
4746         _root(execl("/usr/libexec/cydia/du", "du", "-s", [path UTF8String], NULL));
4747         exit(1);
4748     } else {
4749         _assert(close(fds[1]) != -1);
4750
4751         if (FILE *du = fdopen(fds[0], "r")) {
4752             char line[1024];
4753             while (fgets(line, sizeof(line), du) != NULL) {
4754                 size_t length(strlen(line));
4755                 while (length != 0 && line[length - 1] == '\n')
4756                     line[--length] = '\0';
4757                 if (char *tab = strchr(line, '\t')) {
4758                     *tab = '\0';
4759                     value = [NSNumber numberWithUnsignedLong:strtoul(line, NULL, 0)];
4760                 }
4761             }
4762
4763             fclose(du);
4764         } else
4765             _assert(close(fds[0]) != -1);
4766     } ReapZombie(pid);
4767
4768     return value;
4769 }
4770
4771 - (void) close {
4772     [indirect_ performSelectorOnMainThread:@selector(close) withObject:nil waitUntilDone:NO];
4773 }
4774
4775 - (NSNumber *) isReachable:(NSString *)name {
4776     return [NSNumber numberWithBool:IsReachable([name UTF8String])];
4777 }
4778
4779 - (void) installPackages:(NSArray *)packages {
4780     [delegate_ performSelectorOnMainThread:@selector(installPackages:) withObject:packages waitUntilDone:NO];
4781 }
4782
4783 - (NSString *) substitutePackageNames:(NSString *)message {
4784     NSMutableArray *words([[[message componentsSeparatedByString:@" "] mutableCopy] autorelease]);
4785     for (size_t i(0), e([words count]); i != e; ++i) {
4786         NSString *word([words objectAtIndex:i]);
4787         if (Package *package = [[Database sharedInstance] packageWithName:word])
4788             [words replaceObjectAtIndex:i withObject:[package name]];
4789     }
4790
4791     return [words componentsJoinedByString:@" "];
4792 }
4793
4794 - (void) removeButton {
4795     [indirect_ removeButton];
4796 }
4797
4798 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
4799     [indirect_ setButtonImage:button withStyle:style toFunction:function];
4800 }
4801
4802 - (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
4803     [indirect_ setButtonTitle:button withStyle:style toFunction:function];
4804 }
4805
4806 - (void) setBadgeValue:(id)value {
4807     [indirect_ performSelectorOnMainThread:@selector(setBadgeValue:) withObject:value waitUntilDone:NO];
4808 }
4809
4810 - (void) setAllowsNavigationAction:(NSString *)value {
4811     [indirect_ performSelectorOnMainThread:@selector(setAllowsNavigationActionByNumber:) withObject:value waitUntilDone:NO];
4812 }
4813
4814 - (void) setHidesBackButton:(NSString *)value {
4815     [indirect_ performSelectorOnMainThread:@selector(setHidesBackButtonByNumber:) withObject:value waitUntilDone:NO];
4816 }
4817
4818 - (void) setHidesNavigationBar:(NSString *)value {
4819     [indirect_ performSelectorOnMainThread:@selector(setHidesNavigationBarByNumber:) withObject:value waitUntilDone:NO];
4820 }
4821
4822 - (void) setNavigationBarStyle:(NSString *)value {
4823     [indirect_ performSelectorOnMainThread:@selector(setNavigationBarStyle:) withObject:value waitUntilDone:NO];
4824 }
4825
4826 - (void) setNavigationBarTintRed:(NSNumber *)red green:(NSNumber *)green blue:(NSNumber *)blue alpha:(NSNumber *)alpha {
4827     float opacity(alpha == (id) [WebUndefined undefined] ? 1 : [alpha floatValue]);
4828     UIColor *color([UIColor colorWithRed:[red floatValue] green:[green floatValue] blue:[blue floatValue] alpha:opacity]);
4829     [indirect_ performSelectorOnMainThread:@selector(setNavigationBarTintColor:) withObject:color waitUntilDone:NO];
4830 }
4831
4832 - (void) setPasteboardString:(NSString *)value {
4833     [[objc_getClass("UIPasteboard") generalPasteboard] setString:value];
4834 }
4835
4836 - (void) setPasteboardURL:(NSString *)value {
4837     [[objc_getClass("UIPasteboard") generalPasteboard] setURL:[NSURL URLWithString:value]];
4838 }
4839
4840 - (void) _setToken:(NSString *)token {
4841     Token_ = token;
4842
4843     if (token == nil)
4844         [Metadata_ removeObjectForKey:@"Token"];
4845     else
4846         [Metadata_ setObject:Token_ forKey:@"Token"];
4847
4848     Changed_ = true;
4849 }
4850
4851 - (void) setToken:(NSString *)token {
4852     [self performSelectorOnMainThread:@selector(_setToken:) withObject:token waitUntilDone:NO];
4853 }
4854
4855 - (void) scrollToBottom:(NSNumber *)animated {
4856     [indirect_ performSelectorOnMainThread:@selector(scrollToBottomAnimated:) withObject:animated waitUntilDone:NO];
4857 }
4858
4859 - (void) setViewportWidth:(float)width {
4860     [indirect_ setViewportWidthOnMainThread:width];
4861 }
4862
4863 - (NSString *) stringWithFormat:(NSString *)format arguments:(WebScriptObject *)arguments {
4864     //NSLog(@"SWF:\"%@\" A:%@", format, [arguments description]);
4865     unsigned count([arguments count]);
4866     id values[count];
4867     for (unsigned i(0); i != count; ++i)
4868         values[i] = [arguments objectAtIndex:i];
4869     return [[[NSString alloc] initWithFormat:format arguments:reinterpret_cast<va_list>(values)] autorelease];
4870 }
4871
4872 - (NSString *) localizedStringForKey:(NSString *)key value:(NSString *)value table:(NSString *)table {
4873     if (reinterpret_cast<id>(value) == [WebUndefined undefined])
4874         value = nil;
4875     if (reinterpret_cast<id>(table) == [WebUndefined undefined])
4876         table = nil;
4877     return [[NSBundle mainBundle] localizedStringForKey:key value:value table:table];
4878 }
4879
4880 @end
4881 /* }}} */
4882
4883 @interface NSURL (CydiaSecure)
4884 @end
4885
4886 @implementation NSURL (CydiaSecure)
4887
4888 - (bool) isCydiaSecure {
4889     if ([[[self scheme] lowercaseString] isEqualToString:@"https"])
4890         return true;
4891
4892     @synchronized (HostConfig_) {
4893         if ([InsecureHosts_ containsObject:[self host]])
4894             return true;
4895     }
4896
4897     return false;
4898 }
4899
4900 @end
4901
4902 /* Cydia Browser Controller {{{ */
4903 @implementation CydiaWebViewController
4904
4905 - (NSURL *) navigationURL {
4906     return request_ == nil ? nil : [NSURL URLWithString:[NSString stringWithFormat:@"cydia://url/%@", [[request_ URL] absoluteString]]];
4907 }
4908
4909 + (void) _initialize {
4910     [super _initialize];
4911
4912     Diversions_ = [NSMutableSet setWithCapacity:0];
4913 }
4914
4915 + (void) addDiversion:(Diversion *)diversion {
4916     [Diversions_ addObject:diversion];
4917 }
4918
4919 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4920     [super webView:view didClearWindowObject:window forFrame:frame];
4921     [CydiaWebViewController didClearWindowObject:window forFrame:frame withCydia:cydia_];
4922 }
4923
4924 + (void) didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame withCydia:(CydiaObject *)cydia {
4925     WebDataSource *source([frame dataSource]);
4926     NSURLResponse *response([source response]);
4927     NSURL *url([response URL]);
4928     NSString *scheme([[url scheme] lowercaseString]);
4929
4930     bool bridged(false);
4931
4932     @synchronized (HostConfig_) {
4933         if ([scheme isEqualToString:@"file"])
4934             bridged = true;
4935         else if ([scheme isEqualToString:@"https"])
4936             if ([BridgedHosts_ containsObject:[url host]])
4937                 bridged = true;
4938     }
4939
4940     if (bridged)
4941         [window setValue:cydia forKey:@"cydia"];
4942 }
4943
4944 - (void) _setupMail:(MFMailComposeViewController *)controller {
4945     [controller addAttachmentData:[NSData dataWithContentsOfFile:@"/tmp/cydia.log"] mimeType:@"text/plain" fileName:@"cydia.log"];
4946
4947     system("/usr/bin/dpkg -l >/tmp/dpkgl.log");
4948     [controller addAttachmentData:[NSData dataWithContentsOfFile:@"/tmp/dpkgl.log"] mimeType:@"text/plain" fileName:@"dpkgl.log"];
4949 }
4950
4951 - (NSURL *) URLWithURL:(NSURL *)url {
4952     return [Diversion divertURL:url];
4953 }
4954
4955 - (NSURLRequest *) webView:(WebView *)view resource:(id)resource willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
4956     return [CydiaWebViewController requestWithHeaders:[super webView:view resource:resource willSendRequest:request redirectResponse:response fromDataSource:source]];
4957 }
4958
4959 - (NSURLRequest *) webThreadWebView:(WebView *)view resource:(id)resource willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
4960     return [CydiaWebViewController requestWithHeaders:[super webThreadWebView:view resource:resource willSendRequest:request redirectResponse:response fromDataSource:source]];
4961 }
4962
4963 + (NSURLRequest *) requestWithHeaders:(NSURLRequest *)request {
4964     NSMutableURLRequest *copy([[request mutableCopy] autorelease]);
4965
4966     NSURL *url([copy URL]);
4967     NSString *href([url absoluteString]);
4968     NSString *host([url host]);
4969
4970     if ([href hasPrefix:@"https://cydia.saurik.com/TSS/"]) {
4971         if (NSString *agent = [copy valueForHTTPHeaderField:@"X-User-Agent"]) {
4972             [copy setValue:agent forHTTPHeaderField:@"User-Agent"];
4973             [copy setValue:nil forHTTPHeaderField:@"X-User-Agent"];
4974         }
4975
4976         [copy setValue:nil forHTTPHeaderField:@"Referer"];
4977         [copy setValue:nil forHTTPHeaderField:@"Origin"];
4978
4979         [copy setURL:[NSURL URLWithString:[@"http://gs.apple.com/TSS/" stringByAppendingString:[href substringFromIndex:29]]]];
4980         return copy;
4981     }
4982
4983     if ([copy valueForHTTPHeaderField:@"X-Cydia-Cf"] == nil)
4984         [copy setValue:[NSString stringWithFormat:@"%.2f", kCFCoreFoundationVersionNumber] forHTTPHeaderField:@"X-Cydia-Cf"];
4985     if (Machine_ != NULL && [copy valueForHTTPHeaderField:@"X-Machine"] == nil)
4986         [copy setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
4987
4988     bool bridged;
4989     bool token;
4990
4991     @synchronized (HostConfig_) {
4992         bridged = [BridgedHosts_ containsObject:host];
4993         token = [TokenHosts_ containsObject:host];
4994     }
4995
4996     if ([url isCydiaSecure]) {
4997         if (bridged) {
4998             if (UniqueID_ != nil && [copy valueForHTTPHeaderField:@"X-Cydia-Id"] == nil)
4999                 [copy setValue:UniqueID_ forHTTPHeaderField:@"X-Cydia-Id"];
5000         } else if (token) {
5001             if (Token_ != nil && [copy valueForHTTPHeaderField:@"X-Cydia-Token"] == nil)
5002                 [copy setValue:Token_ forHTTPHeaderField:@"X-Cydia-Token"];
5003         }
5004     }
5005
5006     return copy;
5007 }
5008
5009 - (void) setDelegate:(id)delegate {
5010     [super setDelegate:delegate];
5011     [cydia_ setDelegate:delegate];
5012 }
5013
5014 - (NSString *) applicationNameForUserAgent {
5015     return UserAgent_;
5016 }
5017
5018 - (id) init {
5019     if ((self = [super initWithWidth:0 ofClass:[CydiaWebViewController class]]) != nil) {
5020         cydia_ = [[[CydiaObject alloc] initWithDelegate:indirect_] autorelease];
5021     } return self;
5022 }
5023
5024 @end
5025
5026 @interface AppCacheController : CydiaWebViewController {
5027 }
5028
5029 @end
5030
5031 @implementation AppCacheController
5032
5033 - (void) didReceiveMemoryWarning {
5034     // XXX: this doesn't work
5035 }
5036
5037 - (bool) retainsNetworkActivityIndicator {
5038     return false;
5039 }
5040
5041 @end
5042 /* }}} */
5043
5044 // CydiaScript {{{
5045 @interface NSObject (CydiaScript)
5046 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context;
5047 @end
5048
5049 @implementation NSObject (CydiaScript)
5050
5051 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
5052     return self;
5053 }
5054
5055 @end
5056
5057 @implementation NSArray (CydiaScript)
5058
5059 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
5060     WebScriptObject *object([context evaluateWebScript:@"[]"]);
5061     for (size_t i(0), e([self count]); i != e; ++i)
5062         [object setWebScriptValueAtIndex:i value:[[self objectAtIndex:i] Cydia$webScriptObjectInContext:context]];
5063     return object;
5064 }
5065
5066 @end
5067
5068 @implementation NSDictionary (CydiaScript)
5069
5070 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
5071     WebScriptObject *object([context evaluateWebScript:@"({})"]);
5072     for (id i in self)
5073         [object setValue:[[self objectForKey:i] Cydia$webScriptObjectInContext:context] forKey:i];
5074     return object;
5075 }
5076
5077 @end
5078 // }}}
5079
5080 /* Confirmation Controller {{{ */
5081 bool DepSubstrate(const pkgCache::VerIterator &iterator) {
5082     if (!iterator.end())
5083         for (pkgCache::DepIterator dep(iterator.DependsList()); !dep.end(); ++dep) {
5084             if (dep->Type != pkgCache::Dep::Depends && dep->Type != pkgCache::Dep::PreDepends)
5085                 continue;
5086             pkgCache::PkgIterator package(dep.TargetPkg());
5087             if (package.end())
5088                 continue;
5089             if (strcmp(package.Name(), "mobilesubstrate") == 0)
5090                 return true;
5091         }
5092
5093     return false;
5094 }
5095
5096 @protocol ConfirmationControllerDelegate
5097 - (void) cancelAndClear:(bool)clear;
5098 - (void) confirmWithNavigationController:(UINavigationController *)navigation;
5099 - (void) queue;
5100 @end
5101
5102 @interface ConfirmationController : CydiaWebViewController {
5103     _transient Database *database_;
5104
5105     _H<UIAlertView> essential_;
5106
5107     _H<NSDictionary> changes_;
5108     _H<NSMutableArray> issues_;
5109     _H<NSDictionary> sizes_;
5110
5111     BOOL substrate_;
5112 }
5113
5114 - (id) initWithDatabase:(Database *)database;
5115
5116 @end
5117
5118 @implementation ConfirmationController
5119
5120 - (void) complete {
5121     if (substrate_)
5122         RestartSubstrate_ = true;
5123     [delegate_ confirmWithNavigationController:[self navigationController]];
5124 }
5125
5126 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
5127     NSString *context([alert context]);
5128
5129     if ([context isEqualToString:@"remove"]) {
5130         if (button == [alert cancelButtonIndex])
5131             [self _doContinue];
5132         else if (button == [alert firstOtherButtonIndex]) {
5133             [self performSelector:@selector(complete) withObject:nil afterDelay:0];
5134         }
5135
5136         [alert dismissWithClickedButtonIndex:-1 animated:YES];
5137     } else if ([context isEqualToString:@"unable"]) {
5138         [self dismissModalViewControllerAnimated:YES];
5139         [alert dismissWithClickedButtonIndex:-1 animated:YES];
5140     } else {
5141         [super alertView:alert clickedButtonAtIndex:button];
5142     }
5143 }
5144
5145 - (void) _doContinue {
5146     [delegate_ cancelAndClear:NO];
5147     [self dismissModalViewControllerAnimated:YES];
5148 }
5149
5150 - (id) invokeDefaultMethodWithArguments:(NSArray *)args {
5151     [self performSelectorOnMainThread:@selector(_doContinue) withObject:nil waitUntilDone:NO];
5152     return nil;
5153 }
5154
5155 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
5156     [super webView:view didClearWindowObject:window forFrame:frame];
5157
5158     [window setValue:[[NSDictionary dictionaryWithObjectsAndKeys:
5159         (id) changes_, @"changes",
5160         (id) issues_, @"issues",
5161         (id) sizes_, @"sizes",
5162         self, @"queue",
5163     nil] Cydia$webScriptObjectInContext:window] forKey:@"cydiaConfirm"];
5164 }
5165
5166 - (id) initWithDatabase:(Database *)database {
5167     if ((self = [super init]) != nil) {
5168         database_ = database;
5169
5170         NSMutableArray *installs([NSMutableArray arrayWithCapacity:16]);
5171         NSMutableArray *reinstalls([NSMutableArray arrayWithCapacity:16]);
5172         NSMutableArray *upgrades([NSMutableArray arrayWithCapacity:16]);
5173         NSMutableArray *downgrades([NSMutableArray arrayWithCapacity:16]);
5174         NSMutableArray *removes([NSMutableArray arrayWithCapacity:16]);
5175
5176         bool remove(false);
5177
5178         pkgCacheFile &cache([database_ cache]);
5179         NSArray *packages([database_ packages]);
5180         pkgDepCache::Policy *policy([database_ policy]);
5181
5182         issues_ = [NSMutableArray arrayWithCapacity:4];
5183
5184         UpgradeCydia_ = false;
5185
5186         for (Package *package in packages) {
5187             pkgCache::PkgIterator iterator([package iterator]);
5188             NSString *name([package id]);
5189
5190             if ([package broken]) {
5191                 NSMutableArray *reasons([NSMutableArray arrayWithCapacity:4]);
5192
5193                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
5194                     name, @"package",
5195                     reasons, @"reasons",
5196                 nil]];
5197
5198                 pkgCache::VerIterator ver(cache[iterator].InstVerIter(cache));
5199                 if (ver.end())
5200                     continue;
5201
5202                 for (pkgCache::DepIterator dep(ver.DependsList()); !dep.end(); ) {
5203                     pkgCache::DepIterator start;
5204                     pkgCache::DepIterator end;
5205                     dep.GlobOr(start, end); // ++dep
5206
5207                     if (!cache->IsImportantDep(end))
5208                         continue;
5209                     if ((cache[end] & pkgDepCache::DepGInstall) != 0)
5210                         continue;
5211
5212                     NSMutableArray *clauses([NSMutableArray arrayWithCapacity:4]);
5213
5214                     [reasons addObject:[NSDictionary dictionaryWithObjectsAndKeys:
5215                         [NSString stringWithUTF8String:start.DepType()], @"relationship",
5216                         clauses, @"clauses",
5217                     nil]];
5218
5219                     _forever {
5220                         NSString *reason, *installed((NSString *) [WebUndefined undefined]);
5221
5222                         pkgCache::PkgIterator target(start.TargetPkg());
5223                         if (target->ProvidesList != 0)
5224                             reason = @"missing";
5225                         else {
5226                             pkgCache::VerIterator ver(cache[target].InstVerIter(cache));
5227                             if (!ver.end()) {
5228                                 reason = @"installed";
5229                                 installed = [NSString stringWithUTF8String:ver.VerStr()];
5230                             } else if (!cache[target].CandidateVerIter(cache).end())
5231                                 reason = @"uninstalled";
5232                             else if (target->ProvidesList == 0)
5233                                 reason = @"uninstallable";
5234                             else
5235                                 reason = @"virtual";
5236                         }
5237
5238                         NSDictionary *version(start.TargetVer() == 0 ? (NSDictionary *) [NSNull null] : [NSDictionary dictionaryWithObjectsAndKeys:
5239                             [NSString stringWithUTF8String:start.CompType()], @"operator",
5240                             [NSString stringWithUTF8String:start.TargetVer()], @"value",
5241                         nil]);
5242
5243                         [clauses addObject:[NSDictionary dictionaryWithObjectsAndKeys:
5244                             [NSString stringWithUTF8String:start.TargetPkg().Name()], @"package",
5245                             version, @"version",
5246                             reason, @"reason",
5247                             installed, @"installed",
5248                         nil]];
5249
5250                         // yes, seriously. (wtf?)
5251                         if (start == end)
5252                             break;
5253                         ++start;
5254                     }
5255                 }
5256             }
5257
5258             pkgDepCache::StateCache &state(cache[iterator]);
5259
5260             static Pcre special_r("^(firmware$|gsc\\.|cy\\+)");
5261
5262             if (state.NewInstall())
5263                 [installs addObject:name];
5264             // XXX: else if (state.Install())
5265             else if (!state.Delete() && (state.iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall)
5266                 [reinstalls addObject:name];
5267             // XXX: move before previous if
5268             else if (state.Upgrade())
5269                 [upgrades addObject:name];
5270             else if (state.Downgrade())
5271                 [downgrades addObject:name];
5272             else if (!state.Delete())
5273                 // XXX: _assert(state.Keep());
5274                 continue;
5275             else if (special_r(name))
5276                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
5277                     [NSNull null], @"package",
5278                     [NSArray arrayWithObjects:
5279                         [NSDictionary dictionaryWithObjectsAndKeys:
5280                             @"Conflicts", @"relationship",
5281                             [NSArray arrayWithObjects:
5282                                 [NSDictionary dictionaryWithObjectsAndKeys:
5283                                     name, @"package",
5284                                     [NSNull null], @"version",
5285                                     @"installed", @"reason",
5286                                 nil],
5287                             nil], @"clauses",
5288                         nil],
5289                     nil], @"reasons",
5290                 nil]];
5291             else {
5292                 if ([package essential])
5293                     remove = true;
5294                 [removes addObject:name];
5295             }
5296
5297             if ([name isEqualToString:@"cydia"])
5298                 UpgradeCydia_ = true;
5299
5300             substrate_ |= DepSubstrate(policy->GetCandidateVer(iterator));
5301             substrate_ |= DepSubstrate(iterator.CurrentVer());
5302         }
5303
5304         if (!remove)
5305             essential_ = nil;
5306         else if (Advanced_) {
5307             NSString *parenthetical(UCLocalize("PARENTHETICAL"));
5308
5309             essential_ = [[[UIAlertView alloc]
5310                 initWithTitle:UCLocalize("REMOVING_ESSENTIALS")
5311                 message:UCLocalize("REMOVING_ESSENTIALS_EX")
5312                 delegate:self
5313                 cancelButtonTitle:[NSString stringWithFormat:parenthetical, UCLocalize("CANCEL_OPERATION"), UCLocalize("SAFE")]
5314                 otherButtonTitles:
5315                     [NSString stringWithFormat:parenthetical, UCLocalize("FORCE_REMOVAL"), UCLocalize("UNSAFE")],
5316                 nil
5317             ] autorelease];
5318
5319             [essential_ setContext:@"remove"];
5320             [essential_ setNumberOfRows:2];
5321         } else {
5322             essential_ = [[[UIAlertView alloc]
5323                 initWithTitle:UCLocalize("UNABLE_TO_COMPLY")
5324                 message:UCLocalize("UNABLE_TO_COMPLY_EX")
5325                 delegate:self
5326                 cancelButtonTitle:UCLocalize("OKAY")
5327                 otherButtonTitles:nil
5328             ] autorelease];
5329
5330             [essential_ setContext:@"unable"];
5331         }
5332
5333         changes_ = [NSDictionary dictionaryWithObjectsAndKeys:
5334             installs, @"installs",
5335             reinstalls, @"reinstalls",
5336             upgrades, @"upgrades",
5337             downgrades, @"downgrades",
5338             removes, @"removes",
5339         nil];
5340
5341         sizes_ = [NSDictionary dictionaryWithObjectsAndKeys:
5342             [NSNumber numberWithInteger:[database_ fetcher].FetchNeeded()], @"downloading",
5343             [NSNumber numberWithInteger:[database_ fetcher].PartialPresent()], @"resuming",
5344         nil];
5345
5346         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/confirm/", UI_]]];
5347     } return self;
5348 }
5349
5350 - (UIBarButtonItem *) leftButton {
5351     return [[[UIBarButtonItem alloc]
5352         initWithTitle:UCLocalize("CANCEL")
5353         style:UIBarButtonItemStylePlain
5354         target:self
5355         action:@selector(cancelButtonClicked)
5356     ] autorelease];
5357 }
5358
5359 #if !AlwaysReload
5360 - (void) applyRightButton {
5361     if ([issues_ count] == 0 && ![self isLoading])
5362         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
5363             initWithTitle:UCLocalize("CONFIRM")
5364             style:UIBarButtonItemStyleDone
5365             target:self
5366             action:@selector(confirmButtonClicked)
5367         ] autorelease]];
5368     else
5369         [[self navigationItem] setRightBarButtonItem:nil];
5370 }
5371 #endif
5372
5373 - (void) cancelButtonClicked {
5374     [delegate_ cancelAndClear:YES];
5375     [self dismissModalViewControllerAnimated:YES];
5376 }
5377
5378 #if !AlwaysReload
5379 - (void) confirmButtonClicked {
5380     if (essential_ != nil)
5381         [essential_ show];
5382     else
5383         [self complete];
5384 }
5385 #endif
5386
5387 @end
5388 /* }}} */
5389
5390 /* Progress Data {{{ */
5391 @interface CydiaProgressData : NSObject {
5392     _transient id delegate_;
5393
5394     bool running_;
5395     float percent_;
5396
5397     float current_;
5398     float total_;
5399     float speed_;
5400
5401     _H<NSMutableArray> events_;
5402     _H<NSString> title_;
5403
5404     _H<NSString> status_;
5405     _H<NSString> finish_;
5406 }
5407
5408 @end
5409
5410 @implementation CydiaProgressData
5411
5412 + (NSArray *) _attributeKeys {
5413     return [NSArray arrayWithObjects:
5414         @"current",
5415         @"events",
5416         @"finish",
5417         @"percent",
5418         @"running",
5419         @"speed",
5420         @"title",
5421         @"total",
5422     nil];
5423 }
5424
5425 - (NSArray *) attributeKeys {
5426     return [[self class] _attributeKeys];
5427 }
5428
5429 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
5430     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
5431 }
5432
5433 - (id) init {
5434     if ((self = [super init]) != nil) {
5435         events_ = [NSMutableArray arrayWithCapacity:32];
5436     } return self;
5437 }
5438
5439 - (id) delegate {
5440     return delegate_;
5441 }
5442
5443 - (void) setDelegate:(id)delegate {
5444     delegate_ = delegate;
5445 }
5446
5447 - (void) setPercent:(float)value {
5448     percent_ = value;
5449 }
5450
5451 - (NSNumber *) percent {
5452     return [NSNumber numberWithFloat:percent_];
5453 }
5454
5455 - (void) setCurrent:(float)value {
5456     current_ = value;
5457 }
5458
5459 - (NSNumber *) current {
5460     return [NSNumber numberWithFloat:current_];
5461 }
5462
5463 - (void) setTotal:(float)value {
5464     total_ = value;
5465 }
5466
5467 - (NSNumber *) total {
5468     return [NSNumber numberWithFloat:total_];
5469 }
5470
5471 - (void) setSpeed:(float)value {
5472     speed_ = value;
5473 }
5474
5475 - (NSNumber *) speed {
5476     return [NSNumber numberWithFloat:speed_];
5477 }
5478
5479 - (NSArray *) events {
5480     return events_;
5481 }
5482
5483 - (void) removeAllEvents {
5484     [events_ removeAllObjects];
5485 }
5486
5487 - (void) addEvent:(CydiaProgressEvent *)event {
5488     [events_ addObject:event];
5489 }
5490
5491 - (void) setTitle:(NSString *)text {
5492     title_ = text;
5493 }
5494
5495 - (NSString *) title {
5496     return title_;
5497 }
5498
5499 - (void) setFinish:(NSString *)text {
5500     finish_ = text;
5501 }
5502
5503 - (NSString *) finish {
5504     return (id) finish_ ?: [NSNull null];
5505 }
5506
5507 - (void) setRunning:(bool)running {
5508     running_ = running;
5509 }
5510
5511 - (NSNumber *) running {
5512     return running_ ? (NSNumber *) kCFBooleanTrue : (NSNumber *) kCFBooleanFalse;
5513 }
5514
5515 @end
5516 /* }}} */
5517 /* Progress Controller {{{ */
5518 @interface ProgressController : CydiaWebViewController <
5519     ProgressDelegate
5520 > {
5521     _transient Database *database_;
5522     _H<CydiaProgressData, 1> progress_;
5523     unsigned cancel_;
5524 }
5525
5526 - (id) initWithDatabase:(Database *)database delegate:(id)delegate;
5527
5528 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title;
5529
5530 - (void) setTitle:(NSString *)title;
5531 - (void) setCancellable:(bool)cancellable;
5532
5533 @end
5534
5535 @implementation ProgressController
5536
5537 - (void) dealloc {
5538     [database_ setProgressDelegate:nil];
5539     [super dealloc];
5540 }
5541
5542 - (UIBarButtonItem *) leftButton {
5543     return cancel_ == 1 ? [[[UIBarButtonItem alloc]
5544         initWithTitle:UCLocalize("CANCEL")
5545         style:UIBarButtonItemStylePlain
5546         target:self
5547         action:@selector(cancel)
5548     ] autorelease] : nil;
5549 }
5550
5551 - (void) updateCancel {
5552     [super applyLeftButton];
5553 }
5554
5555 - (id) initWithDatabase:(Database *)database delegate:(id)delegate {
5556     if ((self = [super init]) != nil) {
5557         database_ = database;
5558         delegate_ = delegate;
5559
5560         [database_ setProgressDelegate:self];
5561
5562         progress_ = [[[CydiaProgressData alloc] init] autorelease];
5563         [progress_ setDelegate:self];
5564
5565         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/progress/", UI_]]];
5566
5567         [scroller_ setBackgroundColor:[UIColor blackColor]];
5568
5569         [[self navigationItem] setHidesBackButton:YES];
5570
5571         [self updateCancel];
5572     } return self;
5573 }
5574
5575 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
5576     [super webView:view didClearWindowObject:window forFrame:frame];
5577     [window setValue:progress_ forKey:@"cydiaProgress"];
5578 }
5579
5580 - (void) updateProgress {
5581     [self dispatchEvent:@"CydiaProgressUpdate"];
5582 }
5583
5584 - (void) viewWillAppear:(BOOL)animated {
5585     [[[self navigationController] navigationBar] setBarStyle:UIBarStyleBlack];
5586     [super viewWillAppear:animated];
5587 }
5588
5589 - (void) reloadSpringBoard {
5590     if (kCFCoreFoundationVersionNumber > 700) { // XXX: iOS 6.x
5591         system("/bin/launchctl stop com.apple.backboardd");
5592         sleep(15);
5593         system("/usr/bin/killall backboardd SpringBoard sbreload");
5594         return;
5595     }
5596
5597     pid_t pid(ExecFork());
5598     if (pid == 0) {
5599         if (setsid() == -1)
5600             perror("setsid");
5601
5602         pid_t pid(ExecFork());
5603         if (pid == 0) {
5604             _root(execl("/usr/bin/sbreload", "sbreload", NULL));
5605             perror("sbreload");
5606
5607             exit(0);
5608         } ReapZombie(pid);
5609
5610         exit(0);
5611     } ReapZombie(pid);
5612
5613     sleep(15);
5614     system("/usr/bin/killall backboardd SpringBoard sbreload");
5615 }
5616
5617 - (void) close {
5618     UpdateExternalStatus(0);
5619
5620     if (Finish_ > 1)
5621         [delegate_ saveState];
5622
5623     switch (Finish_) {
5624         case 0:
5625             [delegate_ returnToCydia];
5626         break;
5627
5628         case 1:
5629             [delegate_ terminateWithSuccess];
5630             /*if ([delegate_ respondsToSelector:@selector(suspendWithAnimation:)])
5631                 [delegate_ suspendWithAnimation:YES];
5632             else
5633                 [delegate_ suspend];*/
5634         break;
5635
5636         case 2:
5637             _trace();
5638             goto reload;
5639
5640         case 3:
5641             _trace();
5642             goto reload;
5643
5644         reload: {
5645             UIProgressHUD *hud([delegate_ addProgressHUD]);
5646             [hud setText:UCLocalize("LOADING")];
5647             [self performSelector:@selector(reloadSpringBoard) withObject:nil afterDelay:0.5];
5648             return;
5649         }
5650
5651         case 4:
5652             _trace();
5653             if (void (*SBReboot)(mach_port_t) = reinterpret_cast<void (*)(mach_port_t)>(dlsym(RTLD_DEFAULT, "SBReboot")))
5654                 SBReboot(SBSSpringBoardServerPort());
5655             else
5656                 reboot2(RB_AUTOBOOT);
5657         break;
5658     }
5659
5660     [super close];
5661 }
5662
5663 - (void) setTitle:(NSString *)title {
5664     [progress_ setTitle:title];
5665     [self updateProgress];
5666 }
5667
5668 - (UIBarButtonItem *) rightButton {
5669     return [[progress_ running] boolValue] ? [super rightButton] : [[[UIBarButtonItem alloc]
5670         initWithTitle:UCLocalize("CLOSE")
5671         style:UIBarButtonItemStylePlain
5672         target:self
5673         action:@selector(close)
5674     ] autorelease];
5675 }
5676
5677 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title {
5678     UpdateExternalStatus(1);
5679
5680     [progress_ setRunning:true];
5681     [self setTitle:title];
5682     // implicit updateProgress
5683
5684     SHA1SumValue notifyconf; {
5685         FileFd file;
5686         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
5687             _error->Discard();
5688         else {
5689             MMap mmap(file, MMap::ReadOnly);
5690             SHA1Summation sha1;
5691             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5692             notifyconf = sha1.Result();
5693         }
5694     }
5695
5696     SHA1SumValue springlist; {
5697         FileFd file;
5698         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
5699             _error->Discard();
5700         else {
5701             MMap mmap(file, MMap::ReadOnly);
5702             SHA1Summation sha1;
5703             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5704             springlist = sha1.Result();
5705         }
5706     }
5707
5708     if (invocation != nil) {
5709         [invocation yieldToSelector:@selector(invoke)];
5710         [self setTitle:@"COMPLETE"];
5711     }
5712
5713     if (Finish_ < 4) {
5714         FileFd file;
5715         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
5716             _error->Discard();
5717         else {
5718             MMap mmap(file, MMap::ReadOnly);
5719             SHA1Summation sha1;
5720             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5721             if (!(notifyconf == sha1.Result()))
5722                 Finish_ = 4;
5723         }
5724     }
5725
5726     if (Finish_ < 3) {
5727         FileFd file;
5728         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
5729             _error->Discard();
5730         else {
5731             MMap mmap(file, MMap::ReadOnly);
5732             SHA1Summation sha1;
5733             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5734             if (!(springlist == sha1.Result()))
5735                 Finish_ = 3;
5736         }
5737     }
5738
5739     if (Finish_ < 2) {
5740         if (RestartSubstrate_)
5741             Finish_ = 2;
5742     }
5743
5744     RestartSubstrate_ = false;
5745
5746     switch (Finish_) {
5747         case 0: [progress_ setFinish:UCLocalize("RETURN_TO_CYDIA")]; break; /* XXX: Maybe UCLocalize("DONE")? */
5748         case 1: [progress_ setFinish:UCLocalize("CLOSE_CYDIA")]; break;
5749         case 2: [progress_ setFinish:UCLocalize("RESTART_SPRINGBOARD")]; break;
5750         case 3: [progress_ setFinish:UCLocalize("RELOAD_SPRINGBOARD")]; break;
5751         case 4: [progress_ setFinish:UCLocalize("REBOOT_DEVICE")]; break;
5752     }
5753
5754     UpdateExternalStatus(Finish_ == 0 ? 0 : 2);
5755
5756     [progress_ setRunning:false];
5757     [self updateProgress];
5758
5759     [self applyRightButton];
5760 }
5761
5762 - (void) addProgressEvent:(CydiaProgressEvent *)event {
5763     [progress_ addEvent:event];
5764     [self updateProgress];
5765 }
5766
5767 - (bool) isProgressCancelled {
5768     return cancel_ == 2;
5769 }
5770
5771 - (void) cancel {
5772     cancel_ = 2;
5773     [self updateCancel];
5774 }
5775
5776 - (void) setCancellable:(bool)cancellable {
5777     unsigned cancel(cancel_);
5778
5779     if (!cancellable)
5780         cancel_ = 0;
5781     else if (cancel_ == 0)
5782         cancel_ = 1;
5783
5784     if (cancel != cancel_)
5785         [self updateCancel];
5786 }
5787
5788 - (void) setProgressCancellable:(NSNumber *)cancellable {
5789     [self setCancellable:[cancellable boolValue]];
5790 }
5791
5792 - (void) setProgressPercent:(NSNumber *)percent {
5793     [progress_ setPercent:[percent floatValue]];
5794     [self updateProgress];
5795 }
5796
5797 - (void) setProgressStatus:(NSDictionary *)status {
5798     if (status == nil) {
5799         [progress_ setCurrent:0];
5800         [progress_ setTotal:0];
5801         [progress_ setSpeed:0];
5802     } else {
5803         [progress_ setPercent:[[status objectForKey:@"Percent"] floatValue]];
5804
5805         [progress_ setCurrent:[[status objectForKey:@"Current"] floatValue]];
5806         [progress_ setTotal:[[status objectForKey:@"Total"] floatValue]];
5807         [progress_ setSpeed:[[status objectForKey:@"Speed"] floatValue]];
5808     }
5809
5810     [self updateProgress];
5811 }
5812
5813 @end
5814 /* }}} */
5815
5816 /* Package Cell {{{ */
5817 @interface PackageCell : CyteTableViewCell <
5818     CyteTableViewCellDelegate
5819 > {
5820     _H<UIImage> icon_;
5821     _H<NSString> name_;
5822     _H<NSString> description_;
5823     bool commercial_;
5824     _H<NSString> source_;
5825     _H<UIImage> badge_;
5826     _H<UIImage> placard_;
5827     bool summarized_;
5828 }
5829
5830 - (PackageCell *) init;
5831 - (void) setPackage:(Package *)package asSummary:(bool)summary;
5832
5833 - (void) drawContentRect:(CGRect)rect;
5834
5835 @end
5836
5837 @implementation PackageCell
5838
5839 - (PackageCell *) init {
5840     CGRect frame(CGRectMake(0, 0, 320, 74));
5841     if ((self = [super initWithFrame:frame reuseIdentifier:@"Package"]) != nil) {
5842         UIView *content([self contentView]);
5843         CGRect bounds([content bounds]);
5844
5845         content_ = [[[CyteTableViewCellContentView alloc] initWithFrame:bounds] autorelease];
5846         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5847         [content addSubview:content_];
5848
5849         [content_ setDelegate:self];
5850         [content_ setOpaque:YES];
5851     } return self;
5852 }
5853
5854 - (NSString *) accessibilityLabel {
5855     return name_;
5856 }
5857
5858 - (void) setPackage:(Package *)package asSummary:(bool)summary {
5859     summarized_ = summary;
5860
5861     icon_ = nil;
5862     name_ = nil;
5863     description_ = nil;
5864     source_ = nil;
5865     badge_ = nil;
5866     placard_ = nil;
5867
5868     if (package == nil)
5869         [content_ setBackgroundColor:[UIColor whiteColor]];
5870     else {
5871         [package parse];
5872
5873         Source *source = [package source];
5874
5875         icon_ = [package icon];
5876
5877         if (NSString *name = [package name])
5878             name_ = [NSString stringWithString:name];
5879
5880         if (NSString *description = [package shortDescription])
5881             description_ = [NSString stringWithString:description];
5882
5883         commercial_ = [package isCommercial];
5884
5885         NSString *label = nil;
5886         bool trusted = false;
5887
5888         if (source != nil) {
5889             label = [source label];
5890             trusted = [source trusted];
5891         } else if ([[package id] isEqualToString:@"firmware"])
5892             label = UCLocalize("APPLE");
5893         else
5894             label = [NSString stringWithFormat:UCLocalize("SLASH_DELIMITED"), UCLocalize("UNKNOWN"), UCLocalize("LOCAL")];
5895
5896         NSString *from(label);
5897
5898         NSString *section = [package simpleSection];
5899         if (section != nil && ![section isEqualToString:label]) {
5900             section = [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
5901             from = [NSString stringWithFormat:UCLocalize("PARENTHETICAL"), from, section];
5902         }
5903
5904         source_ = [NSString stringWithFormat:UCLocalize("FROM"), from];
5905
5906         if (NSString *purpose = [package primaryPurpose])
5907             badge_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Purposes/%@.png", App_, purpose]];
5908
5909         UIColor *color;
5910         NSString *placard;
5911
5912         if (NSString *mode = [package mode]) {
5913             if ([mode isEqualToString:@"REMOVE"] || [mode isEqualToString:@"PURGE"]) {
5914                 color = RemovingColor_;
5915                 placard = @"removing";
5916             } else {
5917                 color = InstallingColor_;
5918                 placard = @"installing";
5919             }
5920         } else {
5921             color = [UIColor whiteColor];
5922
5923             if ([package installed] != nil)
5924                 placard = @"installed";
5925             else
5926                 placard = nil;
5927         }
5928
5929         [content_ setBackgroundColor:color];
5930
5931         if (placard != nil)
5932             placard_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/%@.png", App_, placard]];
5933     }
5934
5935     [self setNeedsDisplay];
5936     [content_ setNeedsDisplay];
5937 }
5938
5939 - (void) drawSummaryContentRect:(CGRect)rect {
5940     bool highlighted(highlighted_);
5941     float width([self bounds].size.width);
5942
5943     if (icon_ != nil) {
5944         CGRect rect;
5945         rect.size = [(UIImage *) icon_ size];
5946
5947         while (rect.size.width > 16 || rect.size.height > 16) {
5948             rect.size.width /= 2;
5949             rect.size.height /= 2;
5950         }
5951
5952         rect.origin.x = 19 - rect.size.width / 2;
5953         rect.origin.y = 19 - rect.size.height / 2;
5954
5955         [icon_ drawInRect:Retina(rect)];
5956     }
5957
5958     if (badge_ != nil) {
5959         CGRect rect;
5960         rect.size = [(UIImage *) badge_ size];
5961
5962         rect.size.width /= 4;
5963         rect.size.height /= 4;
5964
5965         rect.origin.x = 25 - rect.size.width / 2;
5966         rect.origin.y = 25 - rect.size.height / 2;
5967
5968         [badge_ drawInRect:Retina(rect)];
5969     }
5970
5971     if (highlighted && kCFCoreFoundationVersionNumber < 800)
5972         UISetColor(White_);
5973
5974     if (!highlighted)
5975         UISetColor(commercial_ ? Purple_ : Black_);
5976     [name_ drawAtPoint:CGPointMake(36, 8) forWidth:(width - (placard_ == nil ? 68 : 94)) withFont:Font18Bold_ lineBreakMode:NSLineBreakByTruncatingTail];
5977
5978     if (placard_ != nil)
5979         [placard_ drawAtPoint:CGPointMake(width - 52, 11)];
5980 }
5981
5982 - (void) drawNormalContentRect:(CGRect)rect {
5983     bool highlighted(highlighted_);
5984     float width([self bounds].size.width);
5985
5986     if (icon_ != nil) {
5987         CGRect rect;
5988         rect.size = [(UIImage *) icon_ size];
5989
5990         while (rect.size.width > 32 || rect.size.height > 32) {
5991             rect.size.width /= 2;
5992             rect.size.height /= 2;
5993         }
5994
5995         rect.origin.x = 25 - rect.size.width / 2;
5996         rect.origin.y = 25 - rect.size.height / 2;
5997
5998         [icon_ drawInRect:Retina(rect)];
5999     }
6000
6001     if (badge_ != nil) {
6002         CGRect rect;
6003         rect.size = [(UIImage *) badge_ size];
6004
6005         rect.size.width /= 2;
6006         rect.size.height /= 2;
6007
6008         rect.origin.x = 36 - rect.size.width / 2;
6009         rect.origin.y = 36 - rect.size.height / 2;
6010
6011         [badge_ drawInRect:Retina(rect)];
6012     }
6013
6014     if (highlighted && kCFCoreFoundationVersionNumber < 800)
6015         UISetColor(White_);
6016
6017     if (!highlighted)
6018         UISetColor(commercial_ ? Purple_ : Black_);
6019     [name_ drawAtPoint:CGPointMake(48, 8) forWidth:(width - (placard_ == nil ? 80 : 106)) withFont:Font18Bold_ lineBreakMode:NSLineBreakByTruncatingTail];
6020     [source_ drawAtPoint:CGPointMake(58, 29) forWidth:(width - 95) withFont:Font12_ lineBreakMode:NSLineBreakByTruncatingTail];
6021
6022     if (!highlighted)
6023         UISetColor(commercial_ ? Purplish_ : Gray_);
6024     [description_ drawAtPoint:CGPointMake(12, 46) forWidth:(width - 46) withFont:Font14_ lineBreakMode:NSLineBreakByTruncatingTail];
6025
6026     if (placard_ != nil)
6027         [placard_ drawAtPoint:CGPointMake(width - 52, 9)];
6028 }
6029
6030 - (void) drawContentRect:(CGRect)rect {
6031     if (summarized_)
6032         [self drawSummaryContentRect:rect];
6033     else
6034         [self drawNormalContentRect:rect];
6035 }
6036
6037 @end
6038 /* }}} */
6039 /* Section Cell {{{ */
6040 @interface SectionCell : CyteTableViewCell <
6041     CyteTableViewCellDelegate
6042 > {
6043     _H<NSString> basic_;
6044     _H<NSString> section_;
6045     _H<NSString> name_;
6046     _H<NSString> count_;
6047     _H<UIImage> icon_;
6048     _H<UISwitch> switch_;
6049     BOOL editing_;
6050 }
6051
6052 - (void) setSection:(Section *)section editing:(BOOL)editing;
6053
6054 @end
6055
6056 @implementation SectionCell
6057
6058 - (id) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
6059     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
6060         icon_ = [UIImage imageNamed:@"folder.png"];
6061         // XXX: this initial frame is wrong, but is fixed later
6062         switch_ = [[[UISwitch alloc] initWithFrame:CGRectMake(218, 9, 60, 25)] autorelease];
6063         [switch_ addTarget:self action:@selector(onSwitch:) forEvents:UIControlEventValueChanged];
6064
6065         UIView *content([self contentView]);
6066         CGRect bounds([content bounds]);
6067
6068         content_ = [[[CyteTableViewCellContentView alloc] initWithFrame:bounds] autorelease];
6069         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6070         [content addSubview:content_];
6071         [content_ setBackgroundColor:[UIColor whiteColor]];
6072
6073         [content_ setDelegate:self];
6074     } return self;
6075 }
6076
6077 - (void) onSwitch:(id)sender {
6078     NSMutableDictionary *metadata([Sections_ objectForKey:basic_]);
6079     if (metadata == nil) {
6080         metadata = [NSMutableDictionary dictionaryWithCapacity:2];
6081         [Sections_ setObject:metadata forKey:basic_];
6082     }
6083
6084     [metadata setObject:[NSNumber numberWithBool:([switch_ isOn] == NO)] forKey:@"Hidden"];
6085     Changed_ = true;
6086 }
6087
6088 - (void) setSection:(Section *)section editing:(BOOL)editing {
6089     if (editing != editing_) {
6090         if (editing_)
6091             [switch_ removeFromSuperview];
6092         else
6093             [self addSubview:switch_];
6094         editing_ = editing;
6095     }
6096
6097     basic_ = nil;
6098     section_ = nil;
6099     name_ = nil;
6100     count_ = nil;
6101
6102     if (section == nil) {
6103         name_ = UCLocalize("ALL_PACKAGES");
6104         count_ = nil;
6105     } else {
6106         basic_ = [section name];
6107         section_ = [section localized];
6108
6109         name_  = section_ == nil || [section_ length] == 0 ? UCLocalize("NO_SECTION") : (NSString *) section_;
6110         count_ = [NSString stringWithFormat:@"%zd", [section count]];
6111
6112         if (editing_)
6113             [switch_ setOn:(isSectionVisible(basic_) ? 1 : 0) animated:NO];
6114     }
6115
6116     [self setAccessoryType:editing ? UITableViewCellAccessoryNone : UITableViewCellAccessoryDisclosureIndicator];
6117     [self setSelectionStyle:editing ? UITableViewCellSelectionStyleNone : UITableViewCellSelectionStyleBlue];
6118
6119     [content_ setNeedsDisplay];
6120 }
6121
6122 - (void) setFrame:(CGRect)frame {
6123     [super setFrame:frame];
6124
6125     CGRect rect([switch_ frame]);
6126     [switch_ setFrame:CGRectMake(frame.size.width - rect.size.width - 9, 9, rect.size.width, rect.size.height)];
6127 }
6128
6129 - (NSString *) accessibilityLabel {
6130     return name_;
6131 }
6132
6133 - (void) drawContentRect:(CGRect)rect {
6134     bool highlighted(highlighted_ && !editing_);
6135
6136     [icon_ drawInRect:CGRectMake(7, 7, 32, 32)];
6137
6138     if (highlighted && kCFCoreFoundationVersionNumber < 800)
6139         UISetColor(White_);
6140
6141     float width(rect.size.width);
6142     if (editing_)
6143         width -= 9 + [switch_ frame].size.width;
6144
6145     if (!highlighted)
6146         UISetColor(Black_);
6147     [name_ drawAtPoint:CGPointMake(48, 12) forWidth:(width - 58) withFont:Font18_ lineBreakMode:NSLineBreakByTruncatingTail];
6148
6149     CGSize size = [count_ sizeWithFont:Font14_];
6150
6151     UISetColor(Folder_);
6152     if (count_ != nil)
6153         [count_ drawAtPoint:CGPointMake(Retina(10 + (30 - size.width) / 2), 18) withFont:Font12Bold_];
6154 }
6155
6156 @end
6157 /* }}} */
6158
6159 /* File Table {{{ */
6160 @interface FileTable : CyteViewController <
6161     UITableViewDataSource,
6162     UITableViewDelegate
6163 > {
6164     _transient Database *database_;
6165     _H<Package> package_;
6166     _H<NSString> name_;
6167     _H<NSMutableArray> files_;
6168     _H<UITableView, 2> list_;
6169 }
6170
6171 - (id) initWithDatabase:(Database *)database;
6172 - (void) setPackage:(Package *)package;
6173
6174 @end
6175
6176 @implementation FileTable
6177
6178 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
6179     return files_ == nil ? 0 : [files_ count];
6180 }
6181
6182 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
6183     return 24.0f;
6184 }*/
6185
6186 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
6187     static NSString *reuseIdentifier = @"Cell";
6188
6189     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
6190     if (cell == nil) {
6191         cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
6192         [cell setFont:[UIFont systemFontOfSize:16]];
6193     }
6194     [cell setText:[files_ objectAtIndex:indexPath.row]];
6195     [cell setSelectionStyle:UITableViewCellSelectionStyleNone];
6196
6197     return cell;
6198 }
6199
6200 - (NSURL *) navigationURL {
6201     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/files", [package_ id]]];
6202 }
6203
6204 - (void) loadView {
6205     list_ = [[[UITableView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease];
6206     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6207     [list_ setRowHeight:24.0f];
6208     [(UITableView *) list_ setDataSource:self];
6209     [list_ setDelegate:self];
6210     [self setView:list_];
6211 }
6212
6213 - (void) viewDidLoad {
6214     [super viewDidLoad];
6215
6216     [[self navigationItem] setTitle:UCLocalize("INSTALLED_FILES")];
6217 }
6218
6219 - (void) releaseSubviews {
6220     list_ = nil;
6221
6222     package_ = nil;
6223     files_ = nil;
6224
6225     [super releaseSubviews];
6226 }
6227
6228 - (id) initWithDatabase:(Database *)database {
6229     if ((self = [super init]) != nil) {
6230         database_ = database;
6231     } return self;
6232 }
6233
6234 - (void) setPackage:(Package *)package {
6235     package_ = nil;
6236     name_ = nil;
6237
6238     files_ = [NSMutableArray arrayWithCapacity:32];
6239
6240     if (package != nil) {
6241         package_ = package;
6242         name_ = [package id];
6243
6244         if (NSArray *files = [package files])
6245             [files_ addObjectsFromArray:files];
6246
6247         if ([files_ count] != 0) {
6248             if ([[files_ objectAtIndex:0] isEqualToString:@"/."])
6249                 [files_ removeObjectAtIndex:0];
6250             [files_ sortUsingSelector:@selector(compareByPath:)];
6251
6252             NSMutableArray *stack = [NSMutableArray arrayWithCapacity:8];
6253             [stack addObject:@"/"];
6254
6255             for (int i(0), e([files_ count]); i != e; ++i) {
6256                 NSString *file = [files_ objectAtIndex:i];
6257                 while (![file hasPrefix:[stack lastObject]])
6258                     [stack removeLastObject];
6259                 NSString *directory = [stack lastObject];
6260                 [stack addObject:[file stringByAppendingString:@"/"]];
6261                 [files_ replaceObjectAtIndex:i withObject:[NSString stringWithFormat:@"%*s%@",
6262                     ([stack count] - 2) * 3, "",
6263                     [file substringFromIndex:[directory length]]
6264                 ]];
6265             }
6266         }
6267     }
6268
6269     [list_ reloadData];
6270 }
6271
6272 - (void) reloadData {
6273     [super reloadData];
6274
6275     [self setPackage:[database_ packageWithName:name_]];
6276 }
6277
6278 @end
6279 /* }}} */
6280 /* Package Controller {{{ */
6281 @interface CYPackageController : CydiaWebViewController <
6282     UIActionSheetDelegate
6283 > {
6284     _transient Database *database_;
6285     _H<Package> package_;
6286     _H<NSString> name_;
6287     bool commercial_;
6288     std::vector<std::pair<_H<NSString>, _H<NSString>>> buttons_;
6289     _H<UIBarButtonItem> button_;
6290 }
6291
6292 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name withReferrer:(NSString *)referrer;
6293
6294 @end
6295
6296 @implementation CYPackageController
6297
6298 - (NSURL *) navigationURL {
6299     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@", (id) name_]];
6300 }
6301
6302 - (void) _clickButtonWithName:(NSString *)name {
6303     if ([name isEqualToString:@"CLEAR"])
6304         [delegate_ clearPackage:package_];
6305     else if ([name isEqualToString:@"INSTALL"])
6306         [delegate_ installPackage:package_];
6307     else if ([name isEqualToString:@"REINSTALL"])
6308         [delegate_ installPackage:package_];
6309     else if ([name isEqualToString:@"REMOVE"])
6310         [delegate_ removePackage:package_];
6311     else if ([name isEqualToString:@"UPGRADE"])
6312         [delegate_ installPackage:package_];
6313     else _assert(false);
6314 }
6315
6316 - (void) actionSheet:(UIActionSheet *)sheet clickedButtonAtIndex:(NSInteger)button {
6317     NSString *context([sheet context]);
6318
6319     if ([context isEqualToString:@"modify"]) {
6320         if (button != [sheet cancelButtonIndex]) {
6321             if (IsWildcat_)
6322                 [self performSelector:@selector(_clickButtonWithName:) withObject:buttons_[button].first afterDelay:0];
6323             else
6324                 [self _clickButtonWithName:buttons_[button].first];
6325         }
6326
6327         [sheet dismissWithClickedButtonIndex:button animated:YES];
6328     }
6329 }
6330
6331 - (bool) _allowJavaScriptPanel {
6332     return commercial_;
6333 }
6334
6335 #if !AlwaysReload
6336 - (void) _customButtonClicked {
6337     size_t count(buttons_.size());
6338     if (count == 0)
6339         return;
6340
6341     if (count == 1)
6342         [self _clickButtonWithName:buttons_[0].first];
6343     else {
6344         NSMutableArray *buttons = [NSMutableArray arrayWithCapacity:count];
6345         for (const auto &button : buttons_)
6346             [buttons addObject:button.second];
6347
6348         UIActionSheet *sheet = [[[UIActionSheet alloc]
6349             initWithTitle:nil
6350             delegate:self
6351             cancelButtonTitle:nil
6352             destructiveButtonTitle:nil
6353             otherButtonTitles:nil
6354         ] autorelease];
6355
6356         for (NSString *button in buttons) [sheet addButtonWithTitle:button];
6357         if (!IsWildcat_) {
6358            [sheet addButtonWithTitle:UCLocalize("CANCEL")];
6359            [sheet setCancelButtonIndex:[sheet numberOfButtons] - 1];
6360         }
6361         [sheet setContext:@"modify"];
6362
6363         [delegate_ showActionSheet:sheet fromItem:[[self navigationItem] rightBarButtonItem]];
6364     }
6365 }
6366
6367 - (void) reloadButtonClicked {
6368     if (commercial_ && function_ == nil && [package_ uninstalled])
6369         return;
6370     [self customButtonClicked];
6371 }
6372
6373 - (void) applyLoadingTitle {
6374     // Don't show "Loading" as the title. Ever.
6375 }
6376
6377 - (UIBarButtonItem *) rightButton {
6378     return button_;
6379 }
6380 #endif
6381
6382 - (void) setPageColor:(UIColor *)color {
6383     return [super setPageColor:nil];
6384 }
6385
6386 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name withReferrer:(NSString *)referrer {
6387     if ((self = [super init]) != nil) {
6388         database_ = database;
6389         name_ = name == nil ? @"" : [NSString stringWithString:name];
6390         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/package/%@", UI_, (id) name_]] withReferrer:referrer];
6391     } return self;
6392 }
6393
6394 - (void) reloadData {
6395     [super reloadData];
6396
6397     package_ = [database_ packageWithName:name_];
6398
6399     buttons_.clear();
6400
6401     if (package_ != nil) {
6402         [(Package *) package_ parse];
6403
6404         commercial_ = [package_ isCommercial];
6405
6406         if ([package_ mode] != nil)
6407             buttons_.push_back(std::make_pair(@"CLEAR", UCLocalize("CLEAR")));
6408         if ([package_ source] == nil);
6409         else if ([package_ upgradableAndEssential:NO])
6410             buttons_.push_back(std::make_pair(@"UPGRADE", UCLocalize("UPGRADE")));
6411         else if ([package_ uninstalled])
6412             buttons_.push_back(std::make_pair(@"INSTALL", UCLocalize("INSTALL")));
6413         else
6414             buttons_.push_back(std::make_pair(@"REINSTALL", UCLocalize("REINSTALL")));
6415         if (![package_ uninstalled])
6416             buttons_.push_back(std::make_pair(@"REMOVE", UCLocalize("REMOVE")));
6417     }
6418
6419     NSString *title;
6420     switch (buttons_.size()) {
6421         case 0: title = nil; break;
6422         case 1: title = buttons_[0].second; break;
6423         default: title = UCLocalize("MODIFY"); break;
6424     }
6425
6426     button_ = [[[UIBarButtonItem alloc]
6427         initWithTitle:title
6428         style:UIBarButtonItemStylePlain
6429         target:self
6430         action:@selector(customButtonClicked)
6431     ] autorelease];
6432 }
6433
6434 - (bool) isLoading {
6435     return commercial_ ? [super isLoading] : false;
6436 }
6437
6438 @end
6439 /* }}} */
6440
6441 /* Package List Controller {{{ */
6442 @interface PackageListController : CyteViewController <
6443     UITableViewDataSource,
6444     UITableViewDelegate
6445 > {
6446     _transient Database *database_;
6447     unsigned era_;
6448     _H<NSArray> packages_;
6449     _H<NSArray> sections_;
6450     _H<UITableView, 2> list_;
6451
6452     _H<NSArray> thumbs_;
6453     std::vector<NSInteger> offset_;
6454
6455     _H<NSString> title_;
6456     unsigned reloading_;
6457 }
6458
6459 - (id) initWithDatabase:(Database *)database title:(NSString *)title;
6460 - (void) setDelegate:(id)delegate;
6461 - (void) resetCursor;
6462 - (void) clearData;
6463
6464 - (NSArray *) sectionsForPackages:(NSMutableArray *)packages;
6465
6466 @end
6467
6468 @implementation PackageListController
6469
6470 - (NSURL *) referrerURL {
6471     return [self navigationURL];
6472 }
6473
6474 - (bool) isSummarized {
6475     return false;
6476 }
6477
6478 - (bool) showsSections {
6479     return true;
6480 }
6481
6482 - (void) deselectWithAnimation:(BOOL)animated {
6483     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
6484 }
6485
6486 - (void) resizeForKeyboardBounds:(CGRect)bounds duration:(NSTimeInterval)duration curve:(UIViewAnimationCurve)curve {
6487     CGRect base = [[self view] bounds];
6488     base.size.height -= bounds.size.height;
6489     base.origin = [list_ frame].origin;
6490
6491     [UIView beginAnimations:nil context:NULL];
6492     [UIView setAnimationBeginsFromCurrentState:YES];
6493     [UIView setAnimationCurve:curve];
6494     [UIView setAnimationDuration:duration];
6495     [list_ setFrame:base];
6496     [UIView commitAnimations];
6497 }
6498
6499 - (void) resizeForKeyboardBounds:(CGRect)bounds duration:(NSTimeInterval)duration {
6500     [self resizeForKeyboardBounds:bounds duration:duration curve:UIViewAnimationCurveLinear];
6501 }
6502
6503 - (void) resizeForKeyboardBounds:(CGRect)bounds {
6504     [self resizeForKeyboardBounds:bounds duration:0];
6505 }
6506
6507 - (void) getKeyboardCurve:(UIViewAnimationCurve *)curve duration:(NSTimeInterval *)duration forNotification:(NSNotification *)notification {
6508     if (&UIKeyboardAnimationCurveUserInfoKey == NULL)
6509         *curve = UIViewAnimationCurveEaseInOut;
6510     else
6511         [[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] getValue:curve];
6512
6513     if (&UIKeyboardAnimationDurationUserInfoKey == NULL)
6514         *duration = 0.3;
6515     else
6516         [[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] getValue:duration];
6517 }
6518
6519 - (void) keyboardWillShow:(NSNotification *)notification {
6520     CGRect bounds;
6521     CGPoint center;
6522     [[[notification userInfo] objectForKey:UIKeyboardBoundsUserInfoKey] getValue:&bounds];
6523     [[[notification userInfo] objectForKey:UIKeyboardCenterEndUserInfoKey] getValue:&center];
6524
6525     NSTimeInterval duration;
6526     UIViewAnimationCurve curve;
6527     [self getKeyboardCurve:&curve duration:&duration forNotification:notification];
6528
6529     CGRect kbframe = CGRectMake(Retina(center.x - bounds.size.width / 2), Retina(center.y - bounds.size.height / 2), bounds.size.width, bounds.size.height);
6530     UIViewController *base = self;
6531     while ([base parentOrPresentingViewController] != nil)
6532         base = [base parentOrPresentingViewController];
6533     CGRect viewframe = [[base view] convertRect:[list_ frame] fromView:[list_ superview]];
6534     CGRect intersection = CGRectIntersection(viewframe, kbframe);
6535
6536     if (kCFCoreFoundationVersionNumber < kCFCoreFoundationVersionNumber_iPhoneOS_3_0) // XXX: _UIApplicationLinkedOnOrAfter(4)
6537         intersection.size.height += CYStatusBarHeight();
6538
6539     [self resizeForKeyboardBounds:intersection duration:duration curve:curve];
6540 }
6541
6542 - (void) keyboardWillHide:(NSNotification *)notification {
6543     NSTimeInterval duration;
6544     UIViewAnimationCurve curve;
6545     [self getKeyboardCurve:&curve duration:&duration forNotification:notification];
6546
6547     [self resizeForKeyboardBounds:CGRectZero duration:duration curve:curve];
6548 }
6549
6550 - (void) viewWillAppear:(BOOL)animated {
6551     [super viewWillAppear:animated];
6552
6553     [self resizeForKeyboardBounds:CGRectZero];
6554     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil];
6555     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil];
6556 }
6557
6558 - (void) viewWillDisappear:(BOOL)animated {
6559     [super viewWillDisappear:animated];
6560
6561     [self resizeForKeyboardBounds:CGRectZero];
6562     [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillShowNotification object:nil];
6563     [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillHideNotification object:nil];
6564 }
6565
6566 - (void) viewDidAppear:(BOOL)animated {
6567     [super viewDidAppear:animated];
6568     [self deselectWithAnimation:animated];
6569 }
6570
6571 - (void) didSelectPackage:(Package *)package {
6572     CYPackageController *view([[[CYPackageController alloc] initWithDatabase:database_ forPackage:[package id] withReferrer:[[self referrerURL] absoluteString]] autorelease]);
6573     [view setDelegate:delegate_];
6574     [[self navigationController] pushViewController:view animated:YES];
6575 }
6576
6577 - (NSInteger) numberOfSectionsInTableView:(UITableView *)list {
6578     NSInteger count([sections_ count]);
6579     return count == 0 ? 1 : count;
6580 }
6581
6582 - (NSString *) tableView:(UITableView *)list titleForHeaderInSection:(NSInteger)section {
6583     if ([sections_ count] == 0 || [[sections_ objectAtIndex:section] count] == 0)
6584         return nil;
6585     return [[sections_ objectAtIndex:section] name];
6586 }
6587
6588 - (NSInteger) tableView:(UITableView *)list numberOfRowsInSection:(NSInteger)section {
6589     if ([sections_ count] == 0)
6590         return 0;
6591     return [[sections_ objectAtIndex:section] count];
6592 }
6593
6594 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
6595 @synchronized (database_) {
6596     if ([database_ era] != era_)
6597         return nil;
6598
6599     Section *section([sections_ objectAtIndex:[path section]]);
6600     NSInteger row([path row]);
6601     Package *package([packages_ objectAtIndex:([section row] + row)]);
6602     return [[package retain] autorelease];
6603 } }
6604
6605 - (UITableViewCell *) tableView:(UITableView *)table cellForRowAtIndexPath:(NSIndexPath *)path {
6606     PackageCell *cell((PackageCell *) [table dequeueReusableCellWithIdentifier:@"Package"]);
6607     if (cell == nil)
6608         cell = [[[PackageCell alloc] init] autorelease];
6609
6610     Package *package([database_ packageWithName:[[self packageAtIndexPath:path] id]]);
6611     [cell setPackage:package asSummary:[self isSummarized]];
6612     return cell;
6613 }
6614
6615 - (void) tableView:(UITableView *)table didSelectRowAtIndexPath:(NSIndexPath *)path {
6616     Package *package([self packageAtIndexPath:path]);
6617     package = [database_ packageWithName:[package id]];
6618     [self didSelectPackage:package];
6619 }
6620
6621 - (NSArray *) sectionIndexTitlesForTableView:(UITableView *)tableView {
6622     return thumbs_;
6623 }
6624
6625 - (NSInteger) tableView:(UITableView *)tableView sectionForSectionIndexTitle:(NSString *)title atIndex:(NSInteger)index {
6626     return offset_[index];
6627 }
6628
6629 - (void) updateHeight {
6630     [list_ setRowHeight:([self isSummarized] ? 38 : 73)];
6631 }
6632
6633 - (id) initWithDatabase:(Database *)database title:(NSString *)title {
6634     if ((self = [super init]) != nil) {
6635         database_ = database;
6636         title_ = [title copy];
6637         [[self navigationItem] setTitle:title_];
6638     } return self;
6639 }
6640
6641 - (void) loadView {
6642     UIView *view([[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]);
6643     [view setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight)];
6644     [self setView:view];
6645
6646     list_ = [[[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain] autorelease];
6647     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6648     [view addSubview:list_];
6649
6650     // XXX: is 20 the most optimal number here?
6651     [list_ setSectionIndexMinimumDisplayRowCount:20];
6652
6653     [(UITableView *) list_ setDataSource:self];
6654     [list_ setDelegate:self];
6655
6656     [self updateHeight];
6657 }
6658
6659 - (void) releaseSubviews {
6660     list_ = nil;
6661
6662     packages_ = nil;
6663     sections_ = nil;
6664
6665     thumbs_ = nil;
6666     offset_.clear();
6667
6668     [super releaseSubviews];
6669 }
6670
6671 - (void) setDelegate:(id)delegate {
6672     delegate_ = delegate;
6673 }
6674
6675 - (bool) shouldYield {
6676     return false;
6677 }
6678
6679 - (bool) shouldBlock {
6680     return false;
6681 }
6682
6683 - (NSMutableArray *) _reloadPackages {
6684 @synchronized (database_) {
6685     era_ = [database_ era];
6686     NSArray *packages([database_ packages]);
6687
6688     return [NSMutableArray arrayWithArray:packages];
6689 } }
6690
6691 - (void) _reloadData {
6692     if (reloading_ != 0) {
6693         reloading_ = 2;
6694         return;
6695     }
6696
6697     NSMutableArray *packages;
6698
6699   reload:
6700     if ([self shouldYield]) {
6701         do {
6702             UIProgressHUD *hud;
6703
6704             if (![self shouldBlock])
6705                 hud = nil;
6706             else {
6707                 hud = [delegate_ addProgressHUD];
6708                 [hud setText:UCLocalize("LOADING")];
6709             }
6710
6711             reloading_ = 1;
6712             packages = [self yieldToSelector:@selector(_reloadPackages)];
6713
6714             if (hud != nil)
6715                 [delegate_ removeProgressHUD:hud];
6716         } while (reloading_ == 2);
6717     } else {
6718         packages = [self _reloadPackages];
6719     }
6720
6721 @synchronized (database_) {
6722     if (era_ != [database_ era])
6723         goto reload;
6724     reloading_ = 0;
6725
6726     thumbs_ = nil;
6727     offset_.clear();
6728
6729     packages_ = packages;
6730
6731     if ([self showsSections])
6732         sections_ = [self sectionsForPackages:packages];
6733     else {
6734         Section *section([[[Section alloc] initWithName:nil row:0 localize:NO] autorelease]);
6735         [section setCount:[packages_ count]];
6736         sections_ = [NSArray arrayWithObject:section];
6737     }
6738
6739     [self updateHeight];
6740
6741     _profile(PackageTable$reloadData$List)
6742         [(UITableView *) list_ setDataSource:self];
6743         [list_ reloadData];
6744     _end
6745 }
6746
6747     PrintTimes();
6748 }
6749
6750 - (NSArray *) sectionsForPackages:(NSMutableArray *)packages {
6751     Section *prefix([[[Section alloc] initWithName:nil row:0 localize:NO] autorelease]);
6752     size_t end([packages count]);
6753
6754     NSMutableArray *sections([NSMutableArray arrayWithCapacity:16]);
6755     Section *section(prefix);
6756
6757     thumbs_ = CollationThumbs_;
6758     offset_ = CollationOffset_;
6759
6760     size_t offset(0);
6761     size_t offsets([CollationStarts_ count]);
6762
6763     NSString *start([CollationStarts_ objectAtIndex:offset]);
6764     size_t length([start length]);
6765
6766     for (size_t index(0); index != end; ++index) {
6767         if (start != nil) {
6768             Package *package([packages objectAtIndex:index]);
6769             NSString *name(PackageName(package, @selector(cyname)));
6770
6771             //while ([start compare:name options:NSNumericSearch range:NSMakeRange(0, length) locale:CollationLocale_] != NSOrderedDescending) {
6772             while (StringNameCompare(start, name, length) != kCFCompareGreaterThan) {
6773                 NSString *title([CollationTitles_ objectAtIndex:offset]);
6774                 section = [[[Section alloc] initWithName:title row:index localize:NO] autorelease];
6775                 [sections addObject:section];
6776
6777                 start = ++offset == offsets ? nil : [CollationStarts_ objectAtIndex:offset];
6778                 if (start == nil)
6779                     break;
6780                 length = [start length];
6781             }
6782         }
6783
6784         [section addToCount];
6785     }
6786
6787     for (; offset != offsets; ++offset) {
6788         NSString *title([CollationTitles_ objectAtIndex:offset]);
6789         Section *section([[[Section alloc] initWithName:title row:end localize:NO] autorelease]);
6790         [sections addObject:section];
6791     }
6792
6793     if ([prefix count] != 0) {
6794         Section *suffix([sections lastObject]);
6795         [prefix setName:[suffix name]];
6796         [suffix setName:nil];
6797         [sections insertObject:prefix atIndex:(offsets - 1)];
6798     }
6799
6800     return sections;
6801 }
6802
6803 - (void) reloadData {
6804     [super reloadData];
6805
6806     if ([self shouldYield])
6807         [self performSelector:@selector(_reloadData) withObject:nil afterDelay:0];
6808     else
6809         [self _reloadData];
6810 }
6811
6812 - (void) resetCursor {
6813     [list_ scrollRectToVisible:CGRectMake(0, 0, 1, 1) animated:NO];
6814 }
6815
6816 - (void) clearData {
6817     [self updateHeight];
6818
6819     [list_ setDataSource:nil];
6820     [list_ reloadData];
6821
6822     [self resetCursor];
6823 }
6824
6825 @end
6826 /* }}} */
6827 /* Filtered Package List Controller {{{ */
6828 typedef Function<bool, Package *> PackageFilter;
6829 typedef Function<void, NSMutableArray *> PackageSorter;
6830 @interface FilteredPackageListController : PackageListController {
6831     PackageFilter filter_;
6832     PackageSorter sorter_;
6833 }
6834
6835 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(PackageFilter)filter;
6836
6837 - (void) setFilter:(PackageFilter)filter;
6838 - (void) setSorter:(PackageSorter)sorter;
6839
6840 @end
6841
6842 @implementation FilteredPackageListController
6843
6844 - (void) setFilter:(PackageFilter)filter {
6845 @synchronized (self) {
6846     filter_ = filter;
6847 } }
6848
6849 - (void) setSorter:(PackageSorter)sorter {
6850 @synchronized (self) {
6851     sorter_ = sorter;
6852 } }
6853
6854 - (NSMutableArray *) _reloadPackages {
6855 @synchronized (database_) {
6856     era_ = [database_ era];
6857
6858     NSArray *packages([database_ packages]);
6859     NSMutableArray *filtered([NSMutableArray arrayWithCapacity:[packages count]]);
6860
6861     PackageFilter filter;
6862     PackageSorter sorter;
6863
6864     @synchronized (self) {
6865         filter = filter_;
6866         sorter = sorter_;
6867     }
6868
6869     _profile(PackageTable$reloadData$Filter)
6870         for (Package *package in packages)
6871             if ([package valid] && filter(package))
6872                 [filtered addObject:package];
6873     _end
6874
6875     if (sorter)
6876         sorter(filtered);
6877     return filtered;
6878 } }
6879
6880 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(PackageFilter)filter {
6881     if ((self = [super initWithDatabase:database title:title]) != nil) {
6882         [self setFilter:filter];
6883     } return self;
6884 }
6885
6886 @end
6887 /* }}} */
6888
6889 /* Home Controller {{{ */
6890 @interface HomeController : CydiaWebViewController {
6891     CFRunLoopRef runloop_;
6892     SCNetworkReachabilityRef reachability_;
6893 }
6894
6895 @end
6896
6897 @implementation HomeController
6898
6899 static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachability, SCNetworkReachabilityFlags flags, void *info) {
6900     [(HomeController *) info dispatchEvent:@"CydiaReachabilityCallback"];
6901 }
6902
6903 - (id) init {
6904     if ((self = [super init]) != nil) {
6905         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/home/", UI_]]];
6906         [self reloadData];
6907
6908         reachability_ = SCNetworkReachabilityCreateWithName(kCFAllocatorDefault, "cydia.saurik.com");
6909         if (reachability_ != NULL) {
6910             SCNetworkReachabilityContext context = {0, self, NULL, NULL, NULL};
6911             SCNetworkReachabilitySetCallback(reachability_, HomeControllerReachabilityCallback, &context);
6912
6913             CFRunLoopRef runloop(CFRunLoopGetCurrent());
6914             if (SCNetworkReachabilityScheduleWithRunLoop(reachability_, runloop, kCFRunLoopDefaultMode))
6915                 runloop_ = runloop;
6916         }
6917     } return self;
6918 }
6919
6920 - (void) dealloc {
6921     if (reachability_ != NULL && runloop_ != NULL)
6922         SCNetworkReachabilityUnscheduleFromRunLoop(reachability_, runloop_, kCFRunLoopDefaultMode);
6923     [super dealloc];
6924 }
6925
6926 - (NSURL *) navigationURL {
6927     return [NSURL URLWithString:@"cydia://home"];
6928 }
6929
6930 - (void) aboutButtonClicked {
6931     UIAlertView *alert([[[UIAlertView alloc] init] autorelease]);
6932
6933     [alert setTitle:UCLocalize("ABOUT_CYDIA")];
6934     [alert addButtonWithTitle:UCLocalize("CLOSE")];
6935     [alert setCancelButtonIndex:0];
6936
6937     [alert setMessage:
6938         @"Copyright \u00a9 2008-2014\n"
6939         "SaurikIT, LLC\n"
6940         "\n"
6941         "Jay Freeman (saurik)\n"
6942         "saurik@saurik.com\n"
6943         "http://www.saurik.com/"
6944     ];
6945
6946     [alert show];
6947 }
6948
6949 - (UIBarButtonItem *) leftButton {
6950     return [[[UIBarButtonItem alloc]
6951         initWithTitle:UCLocalize("ABOUT")
6952         style:UIBarButtonItemStylePlain
6953         target:self
6954         action:@selector(aboutButtonClicked)
6955     ] autorelease];
6956 }
6957
6958 @end
6959 /* }}} */
6960
6961 /* Cydia Navigation Controller Interface {{{ */
6962 @interface UINavigationController (Cydia)
6963
6964 - (NSArray *) navigationURLCollection;
6965 - (void) unloadData;
6966
6967 @end
6968 /* }}} */
6969
6970 /* Cydia Tab Bar Controller {{{ */
6971 @interface CydiaTabBarController : CyteTabBarController <
6972     UITabBarControllerDelegate,
6973     FetchDelegate
6974 > {
6975     _transient Database *database_;
6976
6977     _H<UIActivityIndicatorView> indicator_;
6978
6979     bool updating_;
6980     // XXX: ok, "updatedelegate_"?...
6981     _transient NSObject<CydiaDelegate> *updatedelegate_;
6982 }
6983
6984 - (NSArray *) navigationURLCollection;
6985 - (void) beginUpdate;
6986 - (BOOL) updating;
6987
6988 @end
6989
6990 @implementation CydiaTabBarController
6991
6992 - (NSArray *) navigationURLCollection {
6993     NSMutableArray *items([NSMutableArray array]);
6994
6995     // XXX: Should this deal with transient view controllers?
6996     for (id navigation in [self viewControllers]) {
6997         NSArray *stack = [navigation performSelector:@selector(navigationURLCollection)];
6998         if (stack != nil)
6999             [items addObject:stack];
7000     }
7001
7002     return items;
7003 }
7004
7005 - (id) initWithDatabase:(Database *)database {
7006     if ((self = [super init]) != nil) {
7007         database_ = database;
7008         [self setDelegate:self];
7009
7010         indicator_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteTiny] autorelease];
7011         [indicator_ setOrigin:CGPointMake(kCFCoreFoundationVersionNumber >= 800 ? 2 : 4, 2)];
7012
7013         [[self view] setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7014     } return self;
7015 }
7016
7017 - (void) setUpdate:(NSDate *)date {
7018     [self beginUpdate];
7019 }
7020
7021 - (void) beginUpdate {
7022     if (updating_)
7023         return;
7024
7025     UIViewController *controller([[self viewControllers] objectAtIndex:1]);
7026     UITabBarItem *item([controller tabBarItem]);
7027
7028     [item setBadgeValue:@""];
7029     UIView *badge(MSHookIvar<UIView *>([item view], "_badge"));
7030
7031     [indicator_ startAnimating];
7032     [badge addSubview:indicator_];
7033
7034     [updatedelegate_ retainNetworkActivityIndicator];
7035     updating_ = true;
7036
7037     [NSThread
7038         detachNewThreadSelector:@selector(performUpdate)
7039         toTarget:self
7040         withObject:nil
7041     ];
7042 }
7043
7044 - (void) performUpdate {
7045     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
7046
7047     SourceStatus status(self, database_);
7048     [database_ updateWithStatus:status];
7049
7050     [self
7051         performSelectorOnMainThread:@selector(completeUpdate)
7052         withObject:nil
7053         waitUntilDone:NO
7054     ];
7055
7056     [pool release];
7057 }
7058
7059 - (void) stopUpdateWithSelector:(SEL)selector {
7060     updating_ = false;
7061     [updatedelegate_ releaseNetworkActivityIndicator];
7062
7063     UIViewController *controller([[self viewControllers] objectAtIndex:1]);
7064     [[controller tabBarItem] setBadgeValue:nil];
7065
7066     [indicator_ removeFromSuperview];
7067     [indicator_ stopAnimating];
7068
7069     [updatedelegate_ performSelector:selector withObject:nil afterDelay:0];
7070 }
7071
7072 - (void) completeUpdate {
7073     if (!updating_)
7074         return;
7075     [self stopUpdateWithSelector:@selector(reloadData)];
7076 }
7077
7078 - (void) cancelUpdate {
7079     [self stopUpdateWithSelector:@selector(updateDataAndLoad)];
7080 }
7081
7082 - (void) cancelPressed {
7083     [self cancelUpdate];
7084 }
7085
7086 - (BOOL) updating {
7087     return updating_;
7088 }
7089
7090 - (bool) isSourceCancelled {
7091     return !updating_;
7092 }
7093
7094 - (void) startSourceFetch:(NSString *)uri {
7095 }
7096
7097 - (void) stopSourceFetch:(NSString *)uri {
7098 }
7099
7100 - (void) setUpdateDelegate:(id)delegate {
7101     updatedelegate_ = delegate;
7102 }
7103
7104 @end
7105 /* }}} */
7106
7107 /* Cydia Navigation Controller Implementation {{{ */
7108 @implementation UINavigationController (Cydia)
7109
7110 - (NSArray *) navigationURLCollection {
7111     NSMutableArray *stack([NSMutableArray array]);
7112
7113     for (CyteViewController *controller in [self viewControllers]) {
7114         NSString *url = [[controller navigationURL] absoluteString];
7115         if (url != nil)
7116             [stack addObject:url];
7117     }
7118
7119     return stack;
7120 }
7121
7122 - (void) reloadData {
7123     [super reloadData];
7124
7125     UIViewController *visible([self visibleViewController]);
7126     if (visible != nil)
7127         [visible reloadData];
7128
7129     // on the iPad, this view controller is ALSO visible. :(
7130     if (IsWildcat_)
7131         if (UIViewController *modal = [self modalViewController])
7132             if ([modal modalPresentationStyle] == UIModalPresentationFormSheet)
7133                 if (UIViewController *top = [self topViewController])
7134                     if (top != visible)
7135                         [top reloadData];
7136 }
7137
7138 - (void) unloadData {
7139     for (CyteViewController *page in [self viewControllers])
7140         [page unloadData];
7141
7142     [super unloadData];
7143 }
7144
7145 @end
7146 /* }}} */
7147
7148 /* Cydia:// Protocol {{{ */
7149 @interface CydiaURLProtocol : NSURLProtocol {
7150 }
7151
7152 @end
7153
7154 @implementation CydiaURLProtocol
7155
7156 + (BOOL) canInitWithRequest:(NSURLRequest *)request {
7157     NSURL *url([request URL]);
7158     if (url == nil)
7159         return NO;
7160
7161     NSString *scheme([[url scheme] lowercaseString]);
7162     if (scheme != nil && [scheme isEqualToString:@"cydia"])
7163         return YES;
7164     if ([[url absoluteString] hasPrefix:@"about:cydia-"])
7165         return YES;
7166
7167     return NO;
7168 }
7169
7170 + (NSURLRequest *) canonicalRequestForRequest:(NSURLRequest *)request {
7171     return request;
7172 }
7173
7174 - (void) _returnPNGWithImage:(UIImage *)icon forRequest:(NSURLRequest *)request {
7175     id<NSURLProtocolClient> client([self client]);
7176     if (icon == nil)
7177         [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorFileDoesNotExist userInfo:nil]];
7178     else {
7179         NSData *data(UIImagePNGRepresentation(icon));
7180
7181         NSURLResponse *response([[[NSURLResponse alloc] initWithURL:[request URL] MIMEType:@"image/png" expectedContentLength:-1 textEncodingName:nil] autorelease]);
7182         [client URLProtocol:self didReceiveResponse:response cacheStoragePolicy:NSURLCacheStorageNotAllowed];
7183         [client URLProtocol:self didLoadData:data];
7184         [client URLProtocolDidFinishLoading:self];
7185     }
7186 }
7187
7188 - (void) startLoading {
7189     id<NSURLProtocolClient> client([self client]);
7190     NSURLRequest *request([self request]);
7191
7192     NSURL *url([request URL]);
7193     NSString *href([url absoluteString]);
7194     NSString *scheme([[url scheme] lowercaseString]);
7195
7196     NSString *path;
7197
7198     if ([scheme isEqualToString:@"cydia"])
7199         path = [href substringFromIndex:8];
7200     else if ([scheme isEqualToString:@"about"])
7201         path = [href substringFromIndex:12];
7202     else _assert(false);
7203
7204     NSRange slash([path rangeOfString:@"/"]);
7205
7206     NSString *command;
7207     if (slash.location == NSNotFound) {
7208         command = path;
7209         path = nil;
7210     } else {
7211         command = [path substringToIndex:slash.location];
7212         path = [path substringFromIndex:(slash.location + 1)];
7213     }
7214
7215     Database *database([Database sharedInstance]);
7216
7217     if ([command isEqualToString:@"package-icon"]) {
7218         if (path == nil)
7219             goto fail;
7220         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7221         Package *package([database packageWithName:path]);
7222         if (package == nil)
7223             goto fail;
7224         [package parse];
7225         UIImage *icon([package icon]);
7226         [self _returnPNGWithImage:icon forRequest:request];
7227     } else if ([command isEqualToString:@"uikit-image"]) {
7228         if (path == nil)
7229             goto fail;
7230         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7231         UIImage *icon(_UIImageWithName(path));
7232         [self _returnPNGWithImage:icon forRequest:request];
7233     } else if ([command isEqualToString:@"section-icon"]) {
7234         if (path == nil)
7235             goto fail;
7236         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7237         UIImage *icon([UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, [path stringByReplacingOccurrencesOfString:@" " withString:@"_"]]]);
7238         if (icon == nil)
7239             icon = [UIImage imageNamed:@"unknown.png"];
7240         [self _returnPNGWithImage:icon forRequest:request];
7241     } else fail: {
7242         [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorResourceUnavailable userInfo:nil]];
7243     }
7244 }
7245
7246 - (void) stopLoading {
7247 }
7248
7249 @end
7250 /* }}} */
7251
7252 /* Section Controller {{{ */
7253 @interface SectionController : FilteredPackageListController {
7254     _H<NSString> key_;
7255     _H<NSString> section_;
7256 }
7257
7258 - (id) initWithDatabase:(Database *)database source:(Source *)source section:(NSString *)section;
7259
7260 @end
7261
7262 @implementation SectionController
7263
7264 - (NSURL *) referrerURL {
7265     NSString *name(section_);
7266     name = name ?: @"*";
7267     NSString *key(key_);
7268     key = key ?: @"*";
7269     return [NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/sections/%@/%@", UI_, [key stringByAddingPercentEscapesIncludingReserved], [name stringByAddingPercentEscapesIncludingReserved]]];
7270 }
7271
7272 - (NSURL *) navigationURL {
7273     NSString *name(section_);
7274     name = name ?: @"*";
7275     NSString *key(key_);
7276     key = key ?: @"*";
7277     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sections/%@/%@", [key stringByAddingPercentEscapesIncludingReserved], [name stringByAddingPercentEscapesIncludingReserved]]];
7278 }
7279
7280 - (id) initWithDatabase:(Database *)database source:(Source *)source section:(NSString *)section {
7281     NSString *title;
7282     if (section == nil)
7283         title = UCLocalize("ALL_PACKAGES");
7284     else if (![section isEqual:@""])
7285         title = [[NSBundle mainBundle] localizedStringForKey:Simplify(section) value:nil table:@"Sections"];
7286     else
7287         title = UCLocalize("NO_SECTION");
7288
7289     if ((self = [super initWithDatabase:database title:title]) != nil) {
7290         key_ = [source key];
7291         section_ = section;
7292     } return self;
7293 }
7294
7295 - (void) reloadData {
7296     Source *source([database_ sourceWithKey:key_]);
7297     _H<NSString> name(section_);
7298
7299     [self setFilter:[=](Package *package) {
7300         NSString *section([package section]);
7301
7302         return (
7303             name == nil ||
7304             section == nil && [name length] == 0 ||
7305             [name isEqualToString:section]
7306         ) && (
7307             source == nil ||
7308             [package source] == source
7309         ) && [package visible];
7310     }];
7311
7312     [super reloadData];
7313 }
7314
7315 @end
7316 /* }}} */
7317 /* Sections Controller {{{ */
7318 @interface SectionsController : CyteViewController <
7319     UITableViewDataSource,
7320     UITableViewDelegate
7321 > {
7322     _transient Database *database_;
7323     _H<NSString> key_;
7324     _H<NSMutableArray> sections_;
7325     _H<NSMutableArray> filtered_;
7326     _H<UITableView, 2> list_;
7327 }
7328
7329 - (id) initWithDatabase:(Database *)database source:(Source *)source;
7330 - (void) editButtonClicked;
7331
7332 @end
7333
7334 @implementation SectionsController
7335
7336 - (NSURL *) navigationURL {
7337     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sources/%@", [key_ stringByAddingPercentEscapesIncludingReserved]]];
7338 }
7339
7340 - (Source *) source {
7341     if (key_ == nil)
7342         return nil;
7343     return [database_ sourceWithKey:key_];
7344 }
7345
7346 - (void) updateNavigationItem {
7347     [[self navigationItem] setTitle:[self isEditing] ? UCLocalize("SECTION_VISIBILITY") : UCLocalize("SECTIONS")];
7348     if ([sections_ count] == 0) {
7349         [[self navigationItem] setRightBarButtonItem:nil];
7350     } else {
7351         [[self navigationItem] setRightBarButtonItem:[[UIBarButtonItem alloc]
7352             initWithBarButtonSystemItem:([self isEditing] ? UIBarButtonSystemItemDone : UIBarButtonSystemItemEdit)
7353             target:self
7354             action:@selector(editButtonClicked)
7355         ] animated:([[self navigationItem] rightBarButtonItem] != nil)];
7356     }
7357 }
7358
7359 - (void) setEditing:(BOOL)editing animated:(BOOL)animated {
7360     [super setEditing:editing animated:animated];
7361
7362     if (editing)
7363         [list_ reloadData];
7364     else
7365         [delegate_ updateData];
7366
7367     [self updateNavigationItem];
7368 }
7369
7370 - (void) viewDidAppear:(BOOL)animated {
7371     [super viewDidAppear:animated];
7372     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
7373 }
7374
7375 - (void) viewWillDisappear:(BOOL)animated {
7376     [super viewWillDisappear:animated];
7377     [self setEditing:NO];
7378 }
7379
7380 - (Section *) sectionAtIndexPath:(NSIndexPath *)indexPath {
7381     Section *section = nil;
7382     int index = [indexPath row];
7383     if (![self isEditing]) {
7384         index -= 1;
7385         if (index >= 0)
7386             section = [filtered_ objectAtIndex:index];
7387     } else {
7388         section = [sections_ objectAtIndex:index];
7389     }
7390     return section;
7391 }
7392
7393 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7394     if ([self isEditing])
7395         return [sections_ count];
7396     else
7397         return [filtered_ count] + 1;
7398 }
7399
7400 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
7401     return 45.0f;
7402 }*/
7403
7404 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7405     static NSString *reuseIdentifier = @"SectionCell";
7406
7407     SectionCell *cell = (SectionCell *)[tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
7408     if (cell == nil)
7409         cell = [[[SectionCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
7410
7411     [cell setSection:[self sectionAtIndexPath:indexPath] editing:[self isEditing]];
7412
7413     return cell;
7414 }
7415
7416 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
7417     if ([self isEditing])
7418         return;
7419
7420     Section *section = [self sectionAtIndexPath:indexPath];
7421
7422     SectionController *controller = [[[SectionController alloc]
7423         initWithDatabase:database_
7424         source:[self source]
7425         section:[section name]
7426     ] autorelease];
7427     [controller setDelegate:delegate_];
7428
7429     [[self navigationController] pushViewController:controller animated:YES];
7430 }
7431
7432 - (void) loadView {
7433     list_ = [[[UITableView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease];
7434     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7435     [list_ setRowHeight:46];
7436     [(UITableView *) list_ setDataSource:self];
7437     [list_ setDelegate:self];
7438     [self setView:list_];
7439 }
7440
7441 - (void) viewDidLoad {
7442     [super viewDidLoad];
7443
7444     [[self navigationItem] setTitle:UCLocalize("SECTIONS")];
7445 }
7446
7447 - (void) releaseSubviews {
7448     list_ = nil;
7449
7450     sections_ = nil;
7451     filtered_ = nil;
7452
7453     [super releaseSubviews];
7454 }
7455
7456 - (id) initWithDatabase:(Database *)database source:(Source *)source {
7457     if ((self = [super init]) != nil) {
7458         database_ = database;
7459         key_ = [source key];
7460     } return self;
7461 }
7462
7463 - (void) reloadData {
7464     [super reloadData];
7465
7466     NSArray *packages = [database_ packages];
7467
7468     sections_ = [NSMutableArray arrayWithCapacity:16];
7469     filtered_ = [NSMutableArray arrayWithCapacity:16];
7470
7471     NSMutableDictionary *sections([NSMutableDictionary dictionaryWithCapacity:32]);
7472
7473     Source *source([self source]);
7474
7475     _trace();
7476     for (Package *package in packages) {
7477         if (source != nil && [package source] != source)
7478             continue;
7479
7480         NSString *name([package section]);
7481         NSString *key(name == nil ? @"" : name);
7482
7483         Section *section;
7484
7485         _profile(SectionsView$reloadData$Section)
7486             section = [sections objectForKey:key];
7487             if (section == nil) {
7488                 _profile(SectionsView$reloadData$Section$Allocate)
7489                     section = [[[Section alloc] initWithName:key localize:YES] autorelease];
7490                     [sections setObject:section forKey:key];
7491                 _end
7492             }
7493         _end
7494
7495         [section addToCount];
7496
7497         _profile(SectionsView$reloadData$Filter)
7498             if (![package valid] || ![package visible])
7499                 continue;
7500         _end
7501
7502         [section addToRow];
7503     }
7504     _trace();
7505
7506     [sections_ addObjectsFromArray:[sections allValues]];
7507
7508     [sections_ sortUsingSelector:@selector(compareByLocalized:)];
7509
7510     for (Section *section in (id) sections_) {
7511         size_t count([section row]);
7512         if (count == 0)
7513             continue;
7514
7515         section = [[[Section alloc] initWithName:[section name] localized:[section localized]] autorelease];
7516         [section setCount:count];
7517         [filtered_ addObject:section];
7518     }
7519
7520     [self updateNavigationItem];
7521     [list_ reloadData];
7522     _trace();
7523 }
7524
7525 - (void) editButtonClicked {
7526     [self setEditing:![self isEditing] animated:YES];
7527 }
7528
7529 @end
7530 /* }}} */
7531
7532 /* Changes Controller {{{ */
7533 @interface ChangesController : FilteredPackageListController {
7534     unsigned upgrades_;
7535 }
7536
7537 - (id) initWithDatabase:(Database *)database;
7538
7539 @end
7540
7541 @implementation ChangesController
7542
7543 - (NSURL *) referrerURL {
7544     return [NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/changes/", UI_]];
7545 }
7546
7547 - (NSURL *) navigationURL {
7548     return [NSURL URLWithString:@"cydia://changes"];
7549 }
7550
7551 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
7552 @synchronized (database_) {
7553     if ([database_ era] != era_)
7554         return nil;
7555
7556     NSUInteger sectionIndex([path section]);
7557     if (sectionIndex >= [sections_ count])
7558         return nil;
7559     Section *section([sections_ objectAtIndex:sectionIndex]);
7560     NSInteger row([path row]);
7561     return [[[packages_ objectAtIndex:([section row] + row)] retain] autorelease];
7562 } }
7563
7564 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
7565     NSString *context([alert context]);
7566
7567     if ([context isEqualToString:@"norefresh"])
7568         [alert dismissWithClickedButtonIndex:-1 animated:YES];
7569 }
7570
7571 - (void) setLeftBarButtonItem {
7572     if ([delegate_ updating])
7573         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
7574             initWithTitle:UCLocalize("CANCEL")
7575             style:UIBarButtonItemStyleDone
7576             target:self
7577             action:@selector(cancelButtonClicked)
7578         ] autorelease] animated:YES];
7579     else
7580         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
7581             initWithTitle:UCLocalize("REFRESH")
7582             style:UIBarButtonItemStylePlain
7583             target:self
7584             action:@selector(refreshButtonClicked)
7585         ] autorelease] animated:YES];
7586 }
7587
7588 - (void) refreshButtonClicked {
7589     if ([delegate_ requestUpdate])
7590         [self setLeftBarButtonItem];
7591 }
7592
7593 - (void) cancelButtonClicked {
7594     [delegate_ cancelUpdate];
7595 }
7596
7597 - (void) upgradeButtonClicked {
7598     [delegate_ distUpgrade];
7599     [[self navigationItem] setRightBarButtonItem:nil animated:YES];
7600 }
7601
7602 - (bool) shouldYield {
7603     return true;
7604 }
7605
7606 - (bool) shouldBlock {
7607     return true;
7608 }
7609
7610 - (void) useFilter {
7611 @synchronized (self) {
7612     [self setFilter:[](Package *package) {
7613         return [package upgradableAndEssential:YES] || [package visible];
7614     }];
7615
7616     [self setSorter:[](NSMutableArray *packages) {
7617         [packages radixSortUsingFunction:reinterpret_cast<MenesRadixSortFunction>(&PackageChangesRadix) withContext:NULL];
7618     }];
7619 } }
7620
7621 - (id) initWithDatabase:(Database *)database {
7622     if ((self = [super initWithDatabase:database title:UCLocalize("CHANGES")]) != nil) {
7623         [self useFilter];
7624     } return self;
7625 }
7626
7627 - (void) viewDidLoad {
7628     [super viewDidLoad];
7629     [self setLeftBarButtonItem];
7630 }
7631
7632 - (void) viewWillAppear:(BOOL)animated {
7633     [super viewWillAppear:animated];
7634     [self setLeftBarButtonItem];
7635 }
7636
7637 - (void) reloadData {
7638     [self setLeftBarButtonItem];
7639     [super reloadData];
7640 }
7641
7642 - (NSArray *) sectionsForPackages:(NSMutableArray *)packages {
7643     NSMutableArray *sections([NSMutableArray arrayWithCapacity:16]);
7644
7645     Section *upgradable = [[[Section alloc] initWithName:UCLocalize("AVAILABLE_UPGRADES") localize:NO] autorelease];
7646     Section *ignored = nil;
7647     Section *section = nil;
7648     time_t last = 0;
7649
7650     upgrades_ = 0;
7651     bool unseens = false;
7652
7653     CFDateFormatterRef formatter(CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle));
7654
7655     for (size_t offset = 0, count = [packages count]; offset != count; ++offset) {
7656         Package *package = [packages objectAtIndex:offset];
7657
7658         BOOL uae = [package upgradableAndEssential:YES];
7659
7660         if (!uae) {
7661             unseens = true;
7662             time_t seen([package seen]);
7663
7664             if (section == nil || last != seen) {
7665                 last = seen;
7666
7667                 NSString *name;
7668                 name = (NSString *) CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) [NSDate dateWithTimeIntervalSince1970:seen]);
7669                 [name autorelease];
7670
7671                 _profile(ChangesController$reloadData$Allocate)
7672                     name = [NSString stringWithFormat:UCLocalize("NEW_AT"), name];
7673                     section = [[[Section alloc] initWithName:name row:offset localize:NO] autorelease];
7674                     [sections addObject:section];
7675                 _end
7676             }
7677
7678             [section addToCount];
7679         } else if ([package ignored]) {
7680             if (ignored == nil) {
7681                 ignored = [[[Section alloc] initWithName:UCLocalize("IGNORED_UPGRADES") row:offset localize:NO] autorelease];
7682             }
7683             [ignored addToCount];
7684         } else {
7685             ++upgrades_;
7686             [upgradable addToCount];
7687         }
7688     }
7689     _trace();
7690
7691     CFRelease(formatter);
7692
7693     if (unseens) {
7694         Section *last = [sections lastObject];
7695         size_t count = [last count];
7696         [packages removeObjectsInRange:NSMakeRange([packages count] - count, count)];
7697         [sections removeLastObject];
7698     }
7699
7700     if ([ignored count] != 0)
7701         [sections insertObject:ignored atIndex:0];
7702     if (upgrades_ != 0)
7703         [sections insertObject:upgradable atIndex:0];
7704
7705     [list_ reloadData];
7706
7707     [[self navigationItem] setRightBarButtonItem:(upgrades_ == 0 ? nil : [[[UIBarButtonItem alloc]
7708         initWithTitle:[NSString stringWithFormat:UCLocalize("PARENTHETICAL"), UCLocalize("UPGRADE"), [NSString stringWithFormat:@"%u", upgrades_]]
7709         style:UIBarButtonItemStylePlain
7710         target:self
7711         action:@selector(upgradeButtonClicked)
7712     ] autorelease]) animated:YES];
7713
7714     return sections;
7715 }
7716
7717 @end
7718 /* }}} */
7719 /* Search Controller {{{ */
7720 @interface SearchController : FilteredPackageListController <
7721     UISearchBarDelegate
7722 > {
7723     _H<UISearchBar, 1> search_;
7724     BOOL searchloaded_;
7725     bool summary_;
7726 }
7727
7728 - (id) initWithDatabase:(Database *)database query:(NSString *)query;
7729 - (void) reloadData;
7730
7731 @end
7732
7733 @implementation SearchController
7734
7735 - (NSURL *) referrerURL {
7736     return [NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/search?q=%@", UI_, [([search_ text] ?: @"") stringByAddingPercentEscapesIncludingReserved]]];
7737 }
7738
7739 - (NSURL *) navigationURL {
7740     if ([search_ text] == nil || [[search_ text] isEqualToString:@""])
7741         return [NSURL URLWithString:@"cydia://search"];
7742     else
7743         return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://search/%@", [[search_ text] stringByAddingPercentEscapesIncludingReserved]]];
7744 }
7745
7746 - (NSArray *) termsForQuery:(NSString *)query {
7747     NSMutableArray *terms([NSMutableArray arrayWithCapacity:2]);
7748     for (NSString *component in [query componentsSeparatedByString:@" "])
7749         if ([component length] != 0)
7750             [terms addObject:component];
7751
7752     return terms;
7753 }
7754
7755 - (void) useSearch {
7756     _H<NSArray> query([self termsForQuery:[search_ text]]);
7757     summary_ = false;
7758
7759 @synchronized (self) {
7760     [self setFilter:[=](Package *package) {
7761         if (![package unfiltered])
7762             return false;
7763         if (![package matches:query])
7764             return false;
7765         return true;
7766     }];
7767
7768     [self setSorter:[](NSMutableArray *packages) {
7769         [packages radixSortUsingSelector:@selector(rank)];
7770     }];
7771 }
7772
7773     [self clearData];
7774     [self reloadData];
7775 }
7776
7777 - (void) usePrefix:(NSString *)prefix {
7778     _H<NSString> query(prefix);
7779     summary_ = true;
7780
7781 @synchronized (self) {
7782     [self setFilter:[=](Package *package) {
7783         if ([query length] == 0)
7784             return false;
7785         if (![package unfiltered])
7786             return false;
7787         if ([[package name] compare:query options:MatchCompareOptions_ range:NSMakeRange(0, [query length])] != NSOrderedSame)
7788             return false;
7789         return true;
7790     }];
7791
7792     [self setSorter:nullptr];
7793 }
7794
7795     [self reloadData];
7796 }
7797
7798 - (void) searchBarTextDidBeginEditing:(UISearchBar *)searchBar {
7799     [self clearData];
7800     [self usePrefix:[search_ text]];
7801 }
7802
7803 - (void) searchBarButtonClicked:(UISearchBar *)searchBar {
7804     [search_ resignFirstResponder];
7805     [self useSearch];
7806 }
7807
7808 - (void) searchBarCancelButtonClicked:(UISearchBar *)searchBar {
7809     [search_ setText:@""];
7810     [self searchBarButtonClicked:searchBar];
7811 }
7812
7813 - (void) searchBarSearchButtonClicked:(UISearchBar *)searchBar {
7814     [self searchBarButtonClicked:searchBar];
7815 }
7816
7817 - (void) searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)text {
7818     [self usePrefix:text];
7819 }
7820
7821 - (bool) shouldYield {
7822     return YES;
7823 }
7824
7825 - (bool) shouldBlock {
7826     return !summary_;
7827 }
7828
7829 - (bool) isSummarized {
7830     return summary_;
7831 }
7832
7833 - (bool) showsSections {
7834     return false;
7835 }
7836
7837 - (id) initWithDatabase:(Database *)database query:(NSString *)query {
7838     if ((self = [super initWithDatabase:database title:UCLocalize("SEARCH")])) {
7839         search_ = [[[UISearchBar alloc] init] autorelease];
7840         [search_ setPlaceholder:UCLocalize("SEARCH_EX")];
7841         [search_ setDelegate:self];
7842
7843         UITextField *textField;
7844         if ([search_ respondsToSelector:@selector(searchField)])
7845             textField = [search_ searchField];
7846         else
7847             textField = MSHookIvar<UITextField *>(search_, "_searchField");
7848
7849         [textField setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
7850         [textField setEnablesReturnKeyAutomatically:NO];
7851         [[self navigationItem] setTitleView:textField];
7852
7853         if (query != nil)
7854             [search_ setText:query];
7855         [self useSearch];
7856     } return self;
7857 }
7858
7859 - (void) viewDidAppear:(BOOL)animated {
7860     [super viewDidAppear:animated];
7861
7862     if (!searchloaded_) {
7863         searchloaded_ = YES;
7864         [search_ setFrame:CGRectMake(0, 0, [[self view] bounds].size.width, 44.0f)];
7865         [search_ layoutSubviews];
7866     }
7867
7868     if ([self isSummarized])
7869         [search_ becomeFirstResponder];
7870 }
7871
7872 - (void) reloadData {
7873     [self resetCursor];
7874     [super reloadData];
7875 }
7876
7877 - (void) didSelectPackage:(Package *)package {
7878     [search_ resignFirstResponder];
7879     [super didSelectPackage:package];
7880 }
7881
7882 @end
7883 /* }}} */
7884 /* Package Settings Controller {{{ */
7885 @interface PackageSettingsController : CyteViewController <
7886     UITableViewDataSource,
7887     UITableViewDelegate
7888 > {
7889     _transient Database *database_;
7890     _H<NSString> name_;
7891     _H<Package> package_;
7892     _H<UITableView, 2> table_;
7893     _H<UISwitch> subscribedSwitch_;
7894     _H<UISwitch> ignoredSwitch_;
7895     _H<UITableViewCell> subscribedCell_;
7896     _H<UITableViewCell> ignoredCell_;
7897 }
7898
7899 - (id) initWithDatabase:(Database *)database package:(NSString *)package;
7900
7901 @end
7902
7903 @implementation PackageSettingsController
7904
7905 - (NSURL *) navigationURL {
7906     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/settings", (id) name_]];
7907 }
7908
7909 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
7910     if (package_ == nil)
7911         return 0;
7912
7913     if ([package_ installed] == nil)
7914         return 1;
7915     else
7916         return 2;
7917 }
7918
7919 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7920     if (package_ == nil)
7921         return 0;
7922
7923     // both sections contain just one item right now.
7924     return 1;
7925 }
7926
7927 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
7928     return nil;
7929 }
7930
7931 - (NSString *) tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
7932     if (section == 0)
7933         return UCLocalize("SHOW_ALL_CHANGES_EX");
7934     else
7935         return UCLocalize("IGNORE_UPGRADES_EX");
7936 }
7937
7938 - (void) onSubscribed:(id)control {
7939     bool value([control isOn]);
7940     if (package_ == nil)
7941         return;
7942     if ([package_ setSubscribed:value])
7943         [delegate_ updateData];
7944 }
7945
7946 - (void) _updateIgnored {
7947     const char *package([name_ UTF8String]);
7948     bool on([ignoredSwitch_ isOn]);
7949
7950     pid_t pid(ExecFork());
7951     if (pid == 0) {
7952         FILE *dpkg(_root(popen("dpkg --set-selections", "w")));
7953         fwrite(package, strlen(package), 1, dpkg);
7954
7955         if (on)
7956             fwrite(" hold\n", 6, 1, dpkg);
7957         else
7958             fwrite(" install\n", 9, 1, dpkg);
7959
7960         pclose(dpkg);
7961
7962         exit(0);
7963     } ReapZombie(pid);
7964 }
7965
7966 - (void) onIgnored:(id)control {
7967     NSInvocation *invocation([NSInvocation invocationWithMethodSignature:[self methodSignatureForSelector:@selector(_updateIgnored)]]);
7968     [invocation setTarget:self];
7969     [invocation setSelector:@selector(_updateIgnored)];
7970
7971     [delegate_ reloadDataWithInvocation:invocation];
7972 }
7973
7974 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7975     if (package_ == nil)
7976         return nil;
7977
7978     switch ([indexPath section]) {
7979         case 0: return subscribedCell_;
7980         case 1: return ignoredCell_;
7981
7982         _nodefault
7983     }
7984
7985     return nil;
7986 }
7987
7988 - (void) loadView {
7989     UIView *view([[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]);
7990     [view setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight)];
7991     [self setView:view];
7992
7993     table_ = [[[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped] autorelease];
7994     [table_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7995     [(UITableView *) table_ setDataSource:self];
7996     [table_ setDelegate:self];
7997     [view addSubview:table_];
7998
7999     subscribedSwitch_ = [[[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)] autorelease];
8000     [subscribedSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
8001     [subscribedSwitch_ addTarget:self action:@selector(onSubscribed:) forEvents:UIControlEventValueChanged];
8002
8003     ignoredSwitch_ = [[[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)] autorelease];
8004     [ignoredSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
8005     [ignoredSwitch_ addTarget:self action:@selector(onIgnored:) forEvents:UIControlEventValueChanged];
8006
8007     subscribedCell_ = [[[UITableViewCell alloc] init] autorelease];
8008     [subscribedCell_ setText:UCLocalize("SHOW_ALL_CHANGES")];
8009     [subscribedCell_ setAccessoryView:subscribedSwitch_];
8010     [subscribedCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
8011
8012     ignoredCell_ = [[[UITableViewCell alloc] init] autorelease];
8013     [ignoredCell_ setText:UCLocalize("IGNORE_UPGRADES")];
8014     [ignoredCell_ setAccessoryView:ignoredSwitch_];
8015     [ignoredCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
8016 }
8017
8018 - (void) viewDidLoad {
8019     [super viewDidLoad];
8020
8021     [[self navigationItem] setTitle:UCLocalize("SETTINGS")];
8022 }
8023
8024 - (void) releaseSubviews {
8025     ignoredCell_ = nil;
8026     subscribedCell_ = nil;
8027     table_ = nil;
8028     ignoredSwitch_ = nil;
8029     subscribedSwitch_ = nil;
8030
8031     [super releaseSubviews];
8032 }
8033
8034 - (id) initWithDatabase:(Database *)database package:(NSString *)package {
8035     if ((self = [super init]) != nil) {
8036         database_ = database;
8037         name_ = package;
8038     } return self;
8039 }
8040
8041 - (void) reloadData {
8042     [super reloadData];
8043
8044     package_ = [database_ packageWithName:name_];
8045
8046     if (package_ != nil) {
8047         [subscribedSwitch_ setOn:([package_ subscribed] ? 1 : 0) animated:NO];
8048         [ignoredSwitch_ setOn:([package_ ignored] ? 1 : 0) animated:NO];
8049     } // XXX: what now, G?
8050
8051     [table_ reloadData];
8052 }
8053
8054 @end
8055 /* }}} */
8056
8057 /* Installed Controller {{{ */
8058 @interface InstalledController : FilteredPackageListController {
8059     bool sectioned_;
8060 }
8061
8062 - (id) initWithDatabase:(Database *)database;
8063 - (void) queueStatusDidChange;
8064
8065 @end
8066
8067 @implementation InstalledController
8068
8069 - (NSURL *) referrerURL {
8070     return [NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/installed/", UI_]];
8071 }
8072
8073 - (NSURL *) navigationURL {
8074     return [NSURL URLWithString:@"cydia://installed"];
8075 }
8076
8077 - (void) useRecent {
8078     sectioned_ = false;
8079
8080 @synchronized (self) {
8081     [self setFilter:[](Package *package) {
8082         return ![package uninstalled] && package->role_ < 7;
8083     }];
8084
8085     [self setSorter:[](NSMutableArray *packages) {
8086         [packages radixSortUsingSelector:@selector(recent)];
8087     }];
8088 } }
8089
8090 - (void) useFilter:(UISegmentedControl *)segmented {
8091     NSInteger selected([segmented selectedSegmentIndex]);
8092     if (selected == 2)
8093         return [self useRecent];
8094     bool simple(selected == 0);
8095     sectioned_ = true;
8096
8097 @synchronized (self) {
8098     [self setFilter:[=](Package *package) {
8099         return ![package uninstalled] && package->role_ <= (simple ? 1 : 3);
8100     }];
8101
8102     [self setSorter:nullptr];
8103 } }
8104
8105 - (NSArray *) sectionsForPackages:(NSMutableArray *)packages {
8106     if (sectioned_)
8107         return [super sectionsForPackages:packages];
8108
8109     CFDateFormatterRef formatter(CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterLongStyle, kCFDateFormatterNoStyle));
8110
8111     NSMutableArray *sections([NSMutableArray arrayWithCapacity:16]);
8112     Section *section(nil);
8113     time_t last(0);
8114
8115     for (size_t offset(0), count([packages count]); offset != count; ++offset) {
8116         Package *package([packages objectAtIndex:offset]);
8117
8118         time_t upgraded([package upgraded]);
8119         if (upgraded < 1168364520)
8120             upgraded = 0;
8121         else
8122             upgraded -= upgraded % (60 * 60 * 24);
8123
8124         if (section == nil || upgraded != last) {
8125             last = upgraded;
8126
8127             NSString *name;
8128             if (upgraded == 0)
8129                 continue; // XXX: name = UCLocalize("...");
8130             else {
8131                 name = (NSString *) CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) [NSDate dateWithTimeIntervalSince1970:upgraded]);
8132                 [name autorelease];
8133             }
8134
8135             section = [[[Section alloc] initWithName:name row:offset localize:NO] autorelease];
8136             [sections addObject:section];
8137         }
8138
8139         [section addToCount];
8140     }
8141
8142     CFRelease(formatter);
8143     return sections;
8144 }
8145
8146 - (id) initWithDatabase:(Database *)database {
8147     if ((self = [super initWithDatabase:database title:UCLocalize("INSTALLED")]) != nil) {
8148         UISegmentedControl *segmented([[[UISegmentedControl alloc] initWithItems:[NSArray arrayWithObjects:UCLocalize("USER"), UCLocalize("EXPERT"), UCLocalize("RECENT"), nil]] autorelease]);
8149         [segmented setSelectedSegmentIndex:0];
8150         [segmented setSegmentedControlStyle:UISegmentedControlStyleBar];
8151         [[self navigationItem] setTitleView:segmented];
8152
8153         [segmented addTarget:self action:@selector(modeChanged:) forEvents:UIControlEventValueChanged];
8154         [self useFilter:segmented];
8155
8156         [self queueStatusDidChange];
8157     } return self;
8158 }
8159
8160 #if !AlwaysReload
8161 - (void) queueButtonClicked {
8162     [delegate_ queue];
8163 }
8164 #endif
8165
8166 - (void) queueStatusDidChange {
8167 #if !AlwaysReload
8168     if (Queuing_) {
8169         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8170             initWithTitle:UCLocalize("QUEUE")
8171             style:UIBarButtonItemStyleDone
8172             target:self
8173             action:@selector(queueButtonClicked)
8174         ] autorelease]];
8175     } else {
8176         [[self navigationItem] setRightBarButtonItem:nil];
8177     }
8178 #endif
8179 }
8180
8181 - (void) modeChanged:(UISegmentedControl *)segmented {
8182     [self useFilter:segmented];
8183     [self reloadData];
8184 }
8185
8186 @end
8187 /* }}} */
8188
8189 /* Source Cell {{{ */
8190 @interface SourceCell : CyteTableViewCell <
8191     CyteTableViewCellDelegate,
8192     SourceDelegate
8193 > {
8194     _H<Source, 1> source_;
8195     _H<NSURL> url_;
8196     _H<UIImage> icon_;
8197     _H<NSString> origin_;
8198     _H<NSString> label_;
8199     _H<UIActivityIndicatorView> indicator_;
8200 }
8201
8202 - (void) setSource:(Source *)source;
8203 - (void) setFetch:(NSNumber *)fetch;
8204
8205 @end
8206
8207 @implementation SourceCell
8208
8209 - (void) _setImage:(NSArray *)data {
8210     if ([url_ isEqual:[data objectAtIndex:0]]) {
8211         icon_ = [data objectAtIndex:1];
8212         [content_ setNeedsDisplay];
8213     }
8214 }
8215
8216 - (void) _setSource:(NSURL *) url {
8217     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
8218
8219     if (NSData *data = [NSURLConnection
8220         sendSynchronousRequest:[NSURLRequest
8221             requestWithURL:url
8222             cachePolicy:NSURLRequestUseProtocolCachePolicy
8223             timeoutInterval:10
8224         ]
8225
8226         returningResponse:NULL
8227         error:NULL
8228     ])
8229         if (UIImage *image = [UIImage imageWithData:data])
8230             [self performSelectorOnMainThread:@selector(_setImage:) withObject:[NSArray arrayWithObjects:url, image, nil] waitUntilDone:NO];
8231
8232     [pool release];
8233 }
8234
8235 - (void) setSource:(Source *)source {
8236     source_ = source;
8237     [source_ setDelegate:self];
8238
8239     [self setFetch:[NSNumber numberWithBool:[source_ fetch]]];
8240
8241     icon_ = [UIImage imageNamed:@"unknown.png"];
8242
8243     origin_ = [source name];
8244     label_ = [source rooturi];
8245
8246     [content_ setNeedsDisplay];
8247
8248     url_ = [source iconURL];
8249     [NSThread detachNewThreadSelector:@selector(_setSource:) toTarget:self withObject:url_];
8250 }
8251
8252 - (void) setAllSource {
8253     source_ = nil;
8254     [indicator_ stopAnimating];
8255
8256     icon_ = [UIImage imageNamed:@"folder.png"];
8257     origin_ = UCLocalize("ALL_SOURCES");
8258     label_ = UCLocalize("ALL_SOURCES_EX");
8259     [content_ setNeedsDisplay];
8260 }
8261
8262 - (SourceCell *) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
8263     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
8264         UIView *content([self contentView]);
8265         CGRect bounds([content bounds]);
8266
8267         content_ = [[[CyteTableViewCellContentView alloc] initWithFrame:bounds] autorelease];
8268         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8269         [content_ setBackgroundColor:[UIColor whiteColor]];
8270         [content addSubview:content_];
8271
8272         [content_ setDelegate:self];
8273         [content_ setOpaque:YES];
8274
8275         indicator_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGraySmall] autorelease];
8276         [indicator_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleTopMargin];// | UIViewAutoresizingFlexibleBottomMargin];
8277         [content addSubview:indicator_];
8278
8279         [[content_ layer] setContentsGravity:kCAGravityTopLeft];
8280     } return self;
8281 }
8282
8283 - (void) layoutSubviews {
8284     [super layoutSubviews];
8285
8286     UIView *content([self contentView]);
8287     CGRect bounds([content bounds]);
8288
8289     CGRect frame([indicator_ frame]);
8290     frame.origin.x = bounds.size.width - frame.size.width;
8291     frame.origin.y = Retina((bounds.size.height - frame.size.height) / 2);
8292
8293     if (kCFCoreFoundationVersionNumber < 800)
8294         frame.origin.x -= 8;
8295     [indicator_ setFrame:frame];
8296 }
8297
8298 - (NSString *) accessibilityLabel {
8299     return origin_;
8300 }
8301
8302 - (void) drawContentRect:(CGRect)rect {
8303     bool highlighted(highlighted_);
8304     float width(rect.size.width);
8305
8306     if (icon_ != nil) {
8307         CGRect rect;
8308         rect.size = [(UIImage *) icon_ size];
8309
8310         while (rect.size.width > 32 || rect.size.height > 32) {
8311             rect.size.width /= 2;
8312             rect.size.height /= 2;
8313         }
8314
8315         rect.origin.x = 26 - rect.size.width / 2;
8316         rect.origin.y = 26 - rect.size.height / 2;
8317
8318         [icon_ drawInRect:Retina(rect)];
8319     }
8320
8321     if (highlighted && kCFCoreFoundationVersionNumber < 800)
8322         UISetColor(White_);
8323
8324     if (!highlighted)
8325         UISetColor(Black_);
8326     [origin_ drawAtPoint:CGPointMake(52, 8) forWidth:(width - 49) withFont:Font18Bold_ lineBreakMode:NSLineBreakByTruncatingTail];
8327
8328     if (!highlighted)
8329         UISetColor(Gray_);
8330     [label_ drawAtPoint:CGPointMake(52, 29) forWidth:(width - 49) withFont:Font12_ lineBreakMode:NSLineBreakByTruncatingTail];
8331 }
8332
8333 - (void) setFetch:(NSNumber *)fetch {
8334     if ([fetch boolValue])
8335         [indicator_ startAnimating];
8336     else
8337         [indicator_ stopAnimating];
8338 }
8339
8340 @end
8341 /* }}} */
8342 /* Sources Controller {{{ */
8343 @interface SourcesController : CyteViewController <
8344     UITableViewDataSource,
8345     UITableViewDelegate
8346 > {
8347     _transient Database *database_;
8348     unsigned era_;
8349
8350     _H<UITableView, 2> list_;
8351     _H<NSMutableArray> sources_;
8352     int offset_;
8353
8354     _H<NSString> href_;
8355     _H<UIProgressHUD> hud_;
8356     _H<NSError> error_;
8357
8358     NSURLConnection *trivial_bz2_;
8359     NSURLConnection *trivial_gz_;
8360
8361     BOOL cydia_;
8362 }
8363
8364 - (id) initWithDatabase:(Database *)database;
8365 - (void) updateButtonsForEditingStatusAnimated:(BOOL)animated;
8366
8367 @end
8368
8369 @implementation SourcesController
8370
8371 - (void) _releaseConnection:(NSURLConnection *)connection {
8372     if (connection != nil) {
8373         [connection cancel];
8374         //[connection setDelegate:nil];
8375         [connection release];
8376     }
8377 }
8378
8379 - (void) dealloc {
8380     [self _releaseConnection:trivial_gz_];
8381     [self _releaseConnection:trivial_bz2_];
8382
8383     [super dealloc];
8384 }
8385
8386 - (NSURL *) navigationURL {
8387     return [NSURL URLWithString:@"cydia://sources"];
8388 }
8389
8390 - (void) viewDidAppear:(BOOL)animated {
8391     [super viewDidAppear:animated];
8392     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
8393 }
8394
8395 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
8396     return 2;
8397 }
8398
8399 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
8400     if (section == 1)
8401         return UCLocalize("INDIVIDUAL_SOURCES");
8402     return nil;
8403 }
8404
8405 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
8406     switch (section) {
8407         case 0: return 1;
8408         case 1: return [sources_ count];
8409         default: return 0;
8410     }
8411 }
8412
8413 - (Source *) sourceAtIndexPath:(NSIndexPath *)indexPath {
8414 @synchronized (database_) {
8415     if ([database_ era] != era_)
8416         return nil;
8417     if ([indexPath section] != 1)
8418         return nil;
8419     NSUInteger index([indexPath row]);
8420     if (index >= [sources_ count])
8421         return nil;
8422     return [sources_ objectAtIndex:index];
8423 } }
8424
8425 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
8426     static NSString *cellIdentifier = @"SourceCell";
8427
8428     SourceCell *cell = (SourceCell *) [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
8429     if (cell == nil) cell = [[[SourceCell alloc] initWithFrame:CGRectZero reuseIdentifier:cellIdentifier] autorelease];
8430     [cell setAccessoryType:UITableViewCellAccessoryDisclosureIndicator];
8431
8432     Source *source([self sourceAtIndexPath:indexPath]);
8433     if (source == nil)
8434         [cell setAllSource];
8435     else
8436         [cell setSource:source];
8437
8438     return cell;
8439 }
8440
8441 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
8442     SectionsController *controller([[[SectionsController alloc]
8443         initWithDatabase:database_
8444         source:[self sourceAtIndexPath:indexPath]
8445     ] autorelease]);
8446
8447     [controller setDelegate:delegate_];
8448     [[self navigationController] pushViewController:controller animated:YES];
8449 }
8450
8451 - (BOOL) tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
8452     if ([indexPath section] != 1)
8453         return false;
8454     Source *source = [self sourceAtIndexPath:indexPath];
8455     return [source record] != nil;
8456 }
8457
8458 - (void) tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
8459     _assert([indexPath section] == 1);
8460     if (editingStyle ==  UITableViewCellEditingStyleDelete) {
8461         Source *source = [self sourceAtIndexPath:indexPath];
8462         if (source == nil) return;
8463
8464         [Sources_ removeObjectForKey:[source key]];
8465         Changed_ = true;
8466
8467         [delegate_ _saveConfig];
8468         [delegate_ reloadDataWithInvocation:nil];
8469     }
8470 }
8471
8472 - (void) tableView:(UITableView *)tableView didEndEditingRowAtIndexPath:(NSIndexPath *)indexPath {
8473     [self updateButtonsForEditingStatusAnimated:YES];
8474 }
8475
8476 - (void) complete {
8477     [delegate_ addTrivialSource:href_];
8478     href_ = nil;
8479
8480     [delegate_ syncData];
8481 }
8482
8483 - (NSString *) getWarning {
8484     NSString *href(href_);
8485     NSRange colon([href rangeOfString:@"://"]);
8486     if (colon.location != NSNotFound)
8487         href = [href substringFromIndex:(colon.location + 3)];
8488     href = [href stringByAddingPercentEscapes];
8489     href = [CydiaURL(@"api/repotag/") stringByAppendingString:href];
8490
8491     NSURL *url([NSURL URLWithString:href]);
8492
8493     NSStringEncoding encoding;
8494     NSError *error(nil);
8495
8496     if (NSString *warning = [NSString stringWithContentsOfURL:url usedEncoding:&encoding error:&error])
8497         return [warning length] == 0 ? nil : warning;
8498     return nil;
8499 }
8500
8501 - (void) _endConnection:(NSURLConnection *)connection {
8502     // XXX: the memory management in this method is horribly awkward
8503
8504     NSURLConnection **field = NULL;
8505     if (connection == trivial_bz2_)
8506         field = &trivial_bz2_;
8507     else if (connection == trivial_gz_)
8508         field = &trivial_gz_;
8509     _assert(field != NULL);
8510     [connection release];
8511     *field = nil;
8512
8513     if (
8514         trivial_bz2_ == nil &&
8515         trivial_gz_ == nil
8516     ) {
8517         NSString *warning(cydia_ ? [self yieldToSelector:@selector(getWarning)] : nil);
8518
8519         [delegate_ releaseNetworkActivityIndicator];
8520
8521         [delegate_ removeProgressHUD:hud_];
8522         hud_ = nil;
8523
8524         if (cydia_) {
8525             if (warning != nil) {
8526                 UIAlertView *alert = [[[UIAlertView alloc]
8527                     initWithTitle:UCLocalize("SOURCE_WARNING")
8528                     message:warning
8529                     delegate:self
8530                     cancelButtonTitle:UCLocalize("CANCEL")
8531                     otherButtonTitles:
8532                         UCLocalize("ADD_ANYWAY"),
8533                     nil
8534                 ] autorelease];
8535
8536                 [alert setContext:@"warning"];
8537                 [alert setNumberOfRows:1];
8538                 [alert show];
8539
8540                 // XXX: there used to be this great mechanism called yieldToPopup... who deleted it?
8541                 error_ = nil;
8542                 return;
8543             }
8544
8545             [self complete];
8546         } else if (error_ != nil) {
8547             UIAlertView *alert = [[[UIAlertView alloc]
8548                 initWithTitle:UCLocalize("VERIFICATION_ERROR")
8549                 message:[error_ localizedDescription]
8550                 delegate:self
8551                 cancelButtonTitle:UCLocalize("OK")
8552                 otherButtonTitles:nil
8553             ] autorelease];
8554
8555             [alert setContext:@"urlerror"];
8556             [alert show];
8557
8558             href_ = nil;
8559         } else {
8560             UIAlertView *alert = [[[UIAlertView alloc]
8561                 initWithTitle:UCLocalize("NOT_REPOSITORY")
8562                 message:UCLocalize("NOT_REPOSITORY_EX")
8563                 delegate:self
8564                 cancelButtonTitle:UCLocalize("OK")
8565                 otherButtonTitles:nil
8566             ] autorelease];
8567
8568             [alert setContext:@"trivial"];
8569             [alert show];
8570
8571             href_ = nil;
8572         }
8573
8574         error_ = nil;
8575     }
8576 }
8577
8578 - (void) connection:(NSURLConnection *)connection didReceiveResponse:(NSHTTPURLResponse *)response {
8579     switch ([response statusCode]) {
8580         case 200:
8581             cydia_ = YES;
8582     }
8583 }
8584
8585 - (void) connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
8586     lprintf("connection:\"%s\" didFailWithError:\"%s\"\n", [href_ UTF8String], [[error localizedDescription] UTF8String]);
8587     error_ = error;
8588     [self _endConnection:connection];
8589 }
8590
8591 - (void) connectionDidFinishLoading:(NSURLConnection *)connection {
8592     [self _endConnection:connection];
8593 }
8594
8595 - (NSURLConnection *) _requestHRef:(NSString *)href method:(NSString *)method {
8596     NSURL *url([NSURL URLWithString:href]);
8597
8598     NSMutableURLRequest *request = [NSMutableURLRequest
8599         requestWithURL:url
8600         cachePolicy:NSURLRequestUseProtocolCachePolicy
8601         timeoutInterval:10
8602     ];
8603
8604     [request setHTTPMethod:method];
8605
8606     if (Machine_ != NULL)
8607         [request setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
8608
8609     if (UniqueID_ != nil)
8610         [request setValue:UniqueID_ forHTTPHeaderField:@"X-Unique-ID"];
8611
8612     if ([url isCydiaSecure]) {
8613         if (UniqueID_ != nil)
8614             [request setValue:UniqueID_ forHTTPHeaderField:@"X-Cydia-Id"];
8615     }
8616
8617     return [[[NSURLConnection alloc] initWithRequest:request delegate:self] autorelease];
8618 }
8619
8620 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
8621     NSString *context([alert context]);
8622
8623     if ([context isEqualToString:@"source"]) {
8624         switch (button) {
8625             case 1: {
8626                 NSString *href = [[alert textField] text];
8627
8628                 static Pcre href_r("^(http(s?)://|file:///)[^# ]*$");
8629                 if (!href_r(href)) {
8630                     UIAlertView *alert = [[[UIAlertView alloc]
8631                         initWithTitle:[NSString stringWithFormat:Colon_, Error_, UCLocalize("INVALID_URL")]
8632                         message:UCLocalize("INVALID_URL_EX")
8633                         delegate:self
8634                         cancelButtonTitle:UCLocalize("OK")
8635                         otherButtonTitles:nil
8636                     ] autorelease];
8637
8638                     [alert setContext:@"badurl"];
8639                     [alert show];
8640
8641                     break;
8642                 }
8643
8644                 if (![href hasSuffix:@"/"])
8645                     href_ = [href stringByAppendingString:@"/"];
8646                 else
8647                     href_ = href;
8648
8649                 trivial_bz2_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.bz2"] method:@"HEAD"] retain];
8650                 trivial_gz_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.gz"] method:@"HEAD"] retain];
8651
8652                 cydia_ = false;
8653
8654                 // XXX: this is stupid
8655                 hud_ = [delegate_ addProgressHUD];
8656                 [hud_ setText:UCLocalize("VERIFYING_URL")];
8657                 [delegate_ retainNetworkActivityIndicator];
8658             } break;
8659
8660             case 0:
8661             break;
8662
8663             _nodefault
8664         }
8665
8666         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8667     } else if ([context isEqualToString:@"trivial"])
8668         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8669     else if ([context isEqualToString:@"urlerror"])
8670         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8671     else if ([context isEqualToString:@"warning"]) {
8672         switch (button) {
8673             case 1:
8674                 [self performSelector:@selector(complete) withObject:nil afterDelay:0];
8675             break;
8676
8677             case 0:
8678             break;
8679
8680             _nodefault
8681         }
8682
8683         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8684     }
8685 }
8686
8687 - (void) updateButtonsForEditingStatusAnimated:(BOOL)animated {
8688     BOOL editing([list_ isEditing]);
8689
8690     if (editing)
8691         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
8692             initWithTitle:UCLocalize("ADD")
8693             style:UIBarButtonItemStylePlain
8694             target:self
8695             action:@selector(addButtonClicked)
8696         ] autorelease] animated:animated];
8697     else if ([delegate_ updating])
8698         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
8699             initWithTitle:UCLocalize("CANCEL")
8700             style:UIBarButtonItemStyleDone
8701             target:self
8702             action:@selector(cancelButtonClicked)
8703         ] autorelease] animated:animated];
8704     else
8705         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
8706             initWithTitle:UCLocalize("REFRESH")
8707             style:UIBarButtonItemStylePlain
8708             target:self
8709             action:@selector(refreshButtonClicked)
8710         ] autorelease] animated:animated];
8711
8712     [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8713         initWithTitle:(editing ? UCLocalize("DONE") : UCLocalize("EDIT"))
8714         style:(editing ? UIBarButtonItemStyleDone : UIBarButtonItemStylePlain)
8715         target:self
8716         action:@selector(editButtonClicked)
8717     ] autorelease] animated:animated];
8718 }
8719
8720 - (void) loadView {
8721     list_ = [[[UITableView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame] style:UITableViewStylePlain] autorelease];
8722     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8723     [list_ setRowHeight:53];
8724     [(UITableView *) list_ setDataSource:self];
8725     [list_ setDelegate:self];
8726     [self setView:list_];
8727 }
8728
8729 - (void) viewDidLoad {
8730     [super viewDidLoad];
8731
8732     [[self navigationItem] setTitle:UCLocalize("SOURCES")];
8733     [self updateButtonsForEditingStatusAnimated:NO];
8734 }
8735
8736 - (void) viewWillAppear:(BOOL)animated {
8737     [super viewWillAppear:animated];
8738
8739     [list_ setEditing:NO];
8740     [self updateButtonsForEditingStatusAnimated:NO];
8741 }
8742
8743 - (void) releaseSubviews {
8744     list_ = nil;
8745
8746     sources_ = nil;
8747
8748     [super releaseSubviews];
8749 }
8750
8751 - (id) initWithDatabase:(Database *)database {
8752     if ((self = [super init]) != nil) {
8753         database_ = database;
8754     } return self;
8755 }
8756
8757 - (void) reloadData {
8758     [super reloadData];
8759     [self updateButtonsForEditingStatusAnimated:YES];
8760
8761 @synchronized (database_) {
8762     era_ = [database_ era];
8763
8764     sources_ = [NSMutableArray arrayWithCapacity:16];
8765     [sources_ addObjectsFromArray:[database_ sources]];
8766     _trace();
8767     [sources_ sortUsingSelector:@selector(compareByName:)];
8768     _trace();
8769
8770     int count([sources_ count]);
8771     offset_ = 0;
8772     for (int i = 0; i != count; i++) {
8773         if ([[sources_ objectAtIndex:i] record] == nil)
8774             break;
8775         offset_++;
8776     }
8777
8778     [list_ reloadData];
8779 } }
8780
8781 - (void) showAddSourcePrompt {
8782     UIAlertView *alert = [[[UIAlertView alloc]
8783         initWithTitle:UCLocalize("ENTER_APT_URL")
8784         message:nil
8785         delegate:self
8786         cancelButtonTitle:UCLocalize("CANCEL")
8787         otherButtonTitles:
8788             UCLocalize("ADD_SOURCE"),
8789         nil
8790     ] autorelease];
8791
8792     [alert setContext:@"source"];
8793
8794     [alert setNumberOfRows:1];
8795     [alert addTextFieldWithValue:@"http://" label:@""];
8796
8797     UITextInputTraits *traits = [[alert textField] textInputTraits];
8798     [traits setAutocapitalizationType:UITextAutocapitalizationTypeNone];
8799     [traits setAutocorrectionType:UITextAutocorrectionTypeNo];
8800     [traits setKeyboardType:UIKeyboardTypeURL];
8801     // XXX: UIReturnKeyDone
8802     [traits setReturnKeyType:UIReturnKeyNext];
8803
8804     [alert show];
8805 }
8806
8807 - (void) addButtonClicked {
8808     [self showAddSourcePrompt];
8809 }
8810
8811 - (void) refreshButtonClicked {
8812     if ([delegate_ requestUpdate])
8813         [self updateButtonsForEditingStatusAnimated:YES];
8814 }
8815
8816 - (void) cancelButtonClicked {
8817     [delegate_ cancelUpdate];
8818 }
8819
8820 - (void) editButtonClicked {
8821     [list_ setEditing:![list_ isEditing] animated:YES];
8822     [self updateButtonsForEditingStatusAnimated:YES];
8823 }
8824
8825 @end
8826 /* }}} */
8827
8828 /* Stash Controller {{{ */
8829 @interface StashController : CyteViewController {
8830     _H<UIActivityIndicatorView> spinner_;
8831     _H<UILabel> status_;
8832     _H<UILabel> caption_;
8833 }
8834
8835 @end
8836
8837 @implementation StashController
8838
8839 - (void) loadView {
8840     UIView *view([[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]);
8841     [view setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight)];
8842     [self setView:view];
8843
8844     [view setBackgroundColor:[UIColor viewFlipsideBackgroundColor]];
8845
8846     spinner_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge] autorelease];
8847     CGRect spinrect = [spinner_ frame];
8848     spinrect.origin.x = Retina([[self view] frame].size.width / 2 - spinrect.size.width / 2);
8849     spinrect.origin.y = [[self view] frame].size.height - 80.0f;
8850     [spinner_ setFrame:spinrect];
8851     [spinner_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin];
8852     [view addSubview:spinner_];
8853     [spinner_ startAnimating];
8854
8855     CGRect captrect;
8856     captrect.size.width = [[self view] frame].size.width;
8857     captrect.size.height = 40.0f;
8858     captrect.origin.x = 0;
8859     captrect.origin.y = Retina([[self view] frame].size.height / 2 - captrect.size.height * 2);
8860     caption_ = [[[UILabel alloc] initWithFrame:captrect] autorelease];
8861     [caption_ setText:UCLocalize("PREPARING_FILESYSTEM")];
8862     [caption_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8863     [caption_ setFont:[UIFont boldSystemFontOfSize:28.0f]];
8864     [caption_ setTextColor:[UIColor whiteColor]];
8865     [caption_ setBackgroundColor:[UIColor clearColor]];
8866     [caption_ setShadowColor:[UIColor blackColor]];
8867     [caption_ setTextAlignment:NSTextAlignmentCenter];
8868     [view addSubview:caption_];
8869
8870     CGRect statusrect;
8871     statusrect.size.width = [[self view] frame].size.width;
8872     statusrect.size.height = 30.0f;
8873     statusrect.origin.x = 0;
8874     statusrect.origin.y = Retina([[self view] frame].size.height / 2 - statusrect.size.height);
8875     status_ = [[[UILabel alloc] initWithFrame:statusrect] autorelease];
8876     [status_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8877     [status_ setText:UCLocalize("EXIT_WHEN_COMPLETE")];
8878     [status_ setFont:[UIFont systemFontOfSize:16.0f]];
8879     [status_ setTextColor:[UIColor whiteColor]];
8880     [status_ setBackgroundColor:[UIColor clearColor]];
8881     [status_ setShadowColor:[UIColor blackColor]];
8882     [status_ setTextAlignment:NSTextAlignmentCenter];
8883     [view addSubview:status_];
8884 }
8885
8886 - (void) releaseSubviews {
8887     spinner_ = nil;
8888     status_ = nil;
8889     caption_ = nil;
8890
8891     [super releaseSubviews];
8892 }
8893
8894 @end
8895 /* }}} */
8896
8897 @interface CYURLCache : SDURLCache {
8898 }
8899
8900 @end
8901
8902 @implementation CYURLCache
8903
8904 - (void) logEvent:(NSString *)event forRequest:(NSURLRequest *)request {
8905 #if !ForRelease
8906     if (false);
8907     else if ([event isEqualToString:@"no-cache"])
8908         event = @"!!!";
8909     else if ([event isEqualToString:@"store"])
8910         event = @">>>";
8911     else if ([event isEqualToString:@"invalid"])
8912         event = @"???";
8913     else if ([event isEqualToString:@"memory"])
8914         event = @"mem";
8915     else if ([event isEqualToString:@"disk"])
8916         event = @"ssd";
8917     else if ([event isEqualToString:@"miss"])
8918         event = @"---";
8919
8920     NSLog(@"%@: %@", event, [[request URL] absoluteString]);
8921 #endif
8922 }
8923
8924 - (void) storeCachedResponse:(NSCachedURLResponse *)cached forRequest:(NSURLRequest *)request {
8925     if (NSURLResponse *response = [cached response])
8926         if (NSString *mime = [response MIMEType])
8927             if ([mime isEqualToString:@"text/cache-manifest"]) {
8928                 NSURL *url([response URL]);
8929
8930 #if !ForRelease
8931                 NSLog(@"###: %@", [url absoluteString]);
8932 #endif
8933
8934                 @synchronized (HostConfig_) {
8935                     [CachedURLs_ addObject:url];
8936                 }
8937             }
8938
8939     [super storeCachedResponse:cached forRequest:request];
8940 }
8941
8942 - (void) createDiskCachePath {
8943     [super createDiskCachePath];
8944     _root(chown([[self diskCachePath] UTF8String], 501, 501));
8945 }
8946
8947 @end
8948
8949 @interface Cydia : UIApplication <
8950     ConfirmationControllerDelegate,
8951     DatabaseDelegate,
8952     CydiaDelegate
8953 > {
8954     _H<UIWindow> window_;
8955     _H<CydiaTabBarController> tabbar_;
8956     _H<CyteTabBarController> emulated_;
8957     _H<AppCacheController> appcache_;
8958
8959     _H<NSMutableArray> essential_;
8960     _H<NSMutableArray> broken_;
8961
8962     Database *database_;
8963
8964     _H<NSURL> starturl_;
8965
8966     unsigned locked_;
8967     unsigned activity_;
8968
8969     _H<StashController> stash_;
8970
8971     bool loaded_;
8972 }
8973
8974 - (void) loadData;
8975
8976 @end
8977
8978 @implementation Cydia
8979
8980 - (void) lockSuspend {
8981     if (locked_++ == 0) {
8982         if ($SBSSetInterceptsMenuButtonForever != NULL)
8983             (*$SBSSetInterceptsMenuButtonForever)(true);
8984
8985         [self setIdleTimerDisabled:YES];
8986     }
8987 }
8988
8989 - (void) unlockSuspend {
8990     if (--locked_ == 0) {
8991         [self setIdleTimerDisabled:NO];
8992
8993         if ($SBSSetInterceptsMenuButtonForever != NULL)
8994             (*$SBSSetInterceptsMenuButtonForever)(false);
8995     }
8996 }
8997
8998 - (void) beginUpdate {
8999     [tabbar_ beginUpdate];
9000 }
9001
9002 - (void) cancelUpdate {
9003     [tabbar_ cancelUpdate];
9004 }
9005
9006 - (bool) requestUpdate {
9007     if (IsReachable("cydia.saurik.com")) {
9008         [self beginUpdate];
9009         return true;
9010     } else {
9011         UIAlertView *alert = [[[UIAlertView alloc]
9012             initWithTitle:[NSString stringWithFormat:Colon_, Error_, UCLocalize("REFRESH")]
9013             message:@"Host Unreachable" // XXX: Localize
9014             delegate:self
9015             cancelButtonTitle:UCLocalize("OK")
9016             otherButtonTitles:nil
9017         ] autorelease];
9018
9019         [alert setContext:@"norefresh"];
9020         [alert show];
9021
9022         return false;
9023     }
9024 }
9025
9026 - (BOOL) updating {
9027     return [tabbar_ updating];
9028 }
9029
9030 - (void) _loaded {
9031     if ([broken_ count] != 0) {
9032         int count = [broken_ count];
9033
9034         UIAlertView *alert = [[[UIAlertView alloc]
9035             initWithTitle:(count == 1 ? UCLocalize("HALFINSTALLED_PACKAGE") : [NSString stringWithFormat:UCLocalize("HALFINSTALLED_PACKAGES"), count])
9036             message:UCLocalize("HALFINSTALLED_PACKAGE_EX")
9037             delegate:self
9038             cancelButtonTitle:[NSString stringWithFormat:UCLocalize("PARENTHETICAL"), UCLocalize("FORCIBLY_CLEAR"), UCLocalize("UNSAFE")]
9039             otherButtonTitles:
9040                 UCLocalize("TEMPORARY_IGNORE"),
9041             nil
9042         ] autorelease];
9043
9044         [alert setContext:@"fixhalf"];
9045         [alert setNumberOfRows:2];
9046         [alert show];
9047     } else if (!Ignored_ && [essential_ count] != 0) {
9048         int count = [essential_ count];
9049
9050         UIAlertView *alert = [[[UIAlertView alloc]
9051             initWithTitle:(count == 1 ? UCLocalize("ESSENTIAL_UPGRADE") : [NSString stringWithFormat:UCLocalize("ESSENTIAL_UPGRADES"), count])
9052             message:UCLocalize("ESSENTIAL_UPGRADE_EX")
9053             delegate:self
9054             cancelButtonTitle:UCLocalize("TEMPORARY_IGNORE")
9055             otherButtonTitles:
9056                 UCLocalize("UPGRADE_ESSENTIAL"),
9057                 UCLocalize("COMPLETE_UPGRADE"),
9058             nil
9059         ] autorelease];
9060
9061         [alert setContext:@"upgrade"];
9062         [alert show];
9063     }
9064 }
9065
9066 - (void) returnToCydia {
9067     [self _loaded];
9068 }
9069
9070 - (void) _saveConfig {
9071     @synchronized (database_) {
9072         _trace();
9073         MetaFile_.Sync();
9074         _trace();
9075     }
9076
9077     if (Changed_) {
9078         NSString *error(nil);
9079
9080         if (NSData *data = [NSPropertyListSerialization dataFromPropertyList:Metadata_ format:NSPropertyListBinaryFormat_v1_0 errorDescription:&error]) {
9081             _trace();
9082             NSError *error(nil);
9083             if (!_root([data writeToFile:@"/var/lib/cydia/metadata.plist" options:NSAtomicWrite error:&error]))
9084                 NSLog(@"failure to save metadata data: %@", error);
9085             _trace();
9086
9087             Changed_ = false;
9088         } else {
9089             NSLog(@"failure to serialize metadata: %@", error);
9090         }
9091     }
9092
9093     _root(CydiaWriteSources());
9094 }
9095
9096 // Navigation controller for the queuing badge.
9097 - (UINavigationController *) queueNavigationController {
9098     NSArray *controllers = [tabbar_ viewControllers];
9099     return [controllers objectAtIndex:3];
9100 }
9101
9102 - (void) unloadData {
9103     [tabbar_ unloadData];
9104 }
9105
9106 - (void) _updateData {
9107     [self _saveConfig];
9108     [self unloadData];
9109
9110     UINavigationController *navigation = [self queueNavigationController];
9111
9112     id queuedelegate = nil;
9113     if ([[navigation viewControllers] count] > 0)
9114         queuedelegate = [[navigation viewControllers] objectAtIndex:0];
9115
9116     [queuedelegate queueStatusDidChange];
9117     [[navigation tabBarItem] setBadgeValue:(Queuing_ ? UCLocalize("Q_D") : nil)];
9118 }
9119
9120 - (void) _refreshIfPossible:(NSDate *)update {
9121     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
9122
9123     bool recently = false;
9124     if (update != nil) {
9125         NSTimeInterval interval([update timeIntervalSinceNow]);
9126         if (interval > -(15*60))
9127             recently = true;
9128     }
9129
9130     // Don't automatic refresh if:
9131     //  - We already refreshed recently.
9132     //  - We already auto-refreshed this launch.
9133     //  - Auto-refresh is disabled.
9134     //  - Cydia's server is not reachable
9135     if (recently || loaded_ || ManualRefresh || !IsReachable("cydia.saurik.com")) {
9136         // If we are cancelling, we need to make sure it knows it's already loaded.
9137         loaded_ = true;
9138
9139         [self performSelectorOnMainThread:@selector(_loaded) withObject:nil waitUntilDone:NO];
9140     } else {
9141         // We are going to load, so remember that.
9142         loaded_ = true;
9143
9144         [tabbar_ performSelectorOnMainThread:@selector(setUpdate:) withObject:update waitUntilDone:NO];
9145     }
9146
9147     [pool release];
9148 }
9149
9150 - (void) refreshIfPossible {
9151     [NSThread detachNewThreadSelector:@selector(_refreshIfPossible:) toTarget:self withObject:[Metadata_ objectForKey:@"LastUpdate"]];
9152 }
9153
9154 - (void) reloadDataWithInvocation:(NSInvocation *)invocation {
9155 _profile(reloadDataWithInvocation)
9156 @synchronized (self) {
9157     UIProgressHUD *hud(loaded_ ? [self addProgressHUD] : nil);
9158     if (hud != nil)
9159         [hud setText:UCLocalize("RELOADING_DATA")];
9160
9161     [database_ yieldToSelector:@selector(reloadDataWithInvocation:) withObject:invocation];
9162
9163     size_t changes(0);
9164
9165     [essential_ removeAllObjects];
9166     [broken_ removeAllObjects];
9167
9168     _profile(reloadDataWithInvocation$Essential)
9169     NSArray *packages([database_ packages]);
9170     for (Package *package in packages) {
9171         if ([package half])
9172             [broken_ addObject:package];
9173         if ([package upgradableAndEssential:YES] && ![package ignored]) {
9174             if ([package essential] && [package installed] != nil)
9175                 [essential_ addObject:package];
9176             ++changes;
9177         }
9178     }
9179     _end
9180
9181     UITabBarItem *changesItem = [[[tabbar_ viewControllers] objectAtIndex:2] tabBarItem];
9182     if (changes != 0) {
9183         _trace();
9184         NSString *badge([[NSNumber numberWithInt:changes] stringValue]);
9185         [changesItem setBadgeValue:badge];
9186         [changesItem setAnimatedBadge:([essential_ count] > 0)];
9187         [self setApplicationIconBadgeNumber:changes];
9188     } else {
9189         _trace();
9190         [changesItem setBadgeValue:nil];
9191         [changesItem setAnimatedBadge:NO];
9192         [self setApplicationIconBadgeNumber:0];
9193     }
9194
9195     Queuing_ = false;
9196     [self _updateData];
9197
9198     if (hud != nil)
9199         [self removeProgressHUD:hud];
9200 }
9201 _end
9202
9203     PrintTimes();
9204 }
9205
9206 - (void) updateData {
9207     [self _updateData];
9208 }
9209
9210 - (void) updateDataAndLoad {
9211     [self _updateData];
9212     if ([database_ progressDelegate] == nil)
9213         [self _loaded];
9214 }
9215
9216 - (void) update_ {
9217     [database_ update];
9218     [self performSelectorOnMainThread:@selector(reloadData) withObject:nil waitUntilDone:YES];
9219 }
9220
9221 - (void) disemulate {
9222     if (emulated_ == nil)
9223         return;
9224
9225     if ([window_ respondsToSelector:@selector(setRootViewController:)])
9226         [window_ setRootViewController:tabbar_];
9227     else {
9228         [window_ addSubview:[tabbar_ view]];
9229         [[emulated_ view] removeFromSuperview];
9230     }
9231
9232     emulated_ = nil;
9233     [window_ setUserInteractionEnabled:YES];
9234 }
9235
9236 - (void) presentModalViewController:(UIViewController *)controller force:(BOOL)force {
9237     UINavigationController *navigation([[[UINavigationController alloc] initWithRootViewController:controller] autorelease]);
9238
9239     UIViewController *parent;
9240     if (emulated_ == nil)
9241         parent = tabbar_;
9242     else if (!force)
9243         parent = emulated_;
9244     else {
9245         [self disemulate];
9246         parent = tabbar_;
9247     }
9248
9249     if (IsWildcat_)
9250         [navigation setModalPresentationStyle:UIModalPresentationFormSheet];
9251     [parent presentModalViewController:navigation animated:YES];
9252 }
9253
9254 - (ProgressController *) invokeNewProgress:(NSInvocation *)invocation forController:(UINavigationController *)navigation withTitle:(NSString *)title {
9255     ProgressController *progress([[[ProgressController alloc] initWithDatabase:database_ delegate:self] autorelease]);
9256
9257     if (navigation != nil)
9258         [navigation pushViewController:progress animated:YES];
9259     else
9260         [self presentModalViewController:progress force:YES];
9261
9262     [progress invoke:invocation withTitle:title];
9263     return progress;
9264 }
9265
9266 - (void) detachNewProgressSelector:(SEL)selector toTarget:(id)target forController:(UINavigationController *)navigation title:(NSString *)title {
9267     [self invokeNewProgress:[NSInvocation invocationWithSelector:selector forTarget:target] forController:navigation withTitle:title];
9268 }
9269
9270 - (void) repairWithInvocation:(NSInvocation *)invocation {
9271     _trace();
9272     [self invokeNewProgress:invocation forController:nil withTitle:@"REPAIRING"];
9273     _trace();
9274 }
9275
9276 - (void) repairWithSelector:(SEL)selector {
9277     [self performSelectorOnMainThread:@selector(repairWithInvocation:) withObject:[NSInvocation invocationWithSelector:selector forTarget:database_] waitUntilDone:YES];
9278 }
9279
9280 - (void) reloadData {
9281     [self reloadDataWithInvocation:nil];
9282     if ([database_ progressDelegate] == nil)
9283         [self _loaded];
9284 }
9285
9286 - (void) syncData {
9287     [self _saveConfig];
9288     [self detachNewProgressSelector:@selector(update_) toTarget:self forController:nil title:@"UPDATING_SOURCES"];
9289 }
9290
9291 - (void) addSource:(NSDictionary *) source {
9292     CydiaAddSource(source);
9293 }
9294
9295 - (void) addSource:(NSString *)href withDistribution:(NSString *)distribution andSections:(NSArray *)sections {
9296     CydiaAddSource(href, distribution, sections);
9297 }
9298
9299 - (void) addTrivialSource:(NSString *)href {
9300     CydiaAddSource(href, @"./");
9301 }
9302
9303 - (void) updateValues {
9304     Changed_ = true;
9305 }
9306
9307 - (void) resolve {
9308     pkgProblemResolver *resolver = [database_ resolver];
9309
9310     resolver->InstallProtect();
9311     if (!resolver->Resolve(true))
9312         _error->Discard();
9313 }
9314
9315 - (bool) perform {
9316     // XXX: this is a really crappy way of doing this.
9317     // like, seriously: this state machine is still broken, and cancelling this here doesn't really /fix/ that.
9318     // for one, the user can still /start/ a reloading data event while they have a queue, which is stupid
9319     // for two, this just means there is a race condition between the refresh completing and the confirmation controller appearing.
9320     if ([tabbar_ updating])
9321         [tabbar_ cancelUpdate];
9322
9323     if (![database_ prepare])
9324         return false;
9325
9326     ConfirmationController *page([[[ConfirmationController alloc] initWithDatabase:database_] autorelease]);
9327     [page setDelegate:self];
9328     UINavigationController *confirm_([[[UINavigationController alloc] initWithRootViewController:page] autorelease]);
9329
9330     if (IsWildcat_)
9331         [confirm_ setModalPresentationStyle:UIModalPresentationFormSheet];
9332     [tabbar_ presentModalViewController:confirm_ animated:YES];
9333
9334     return true;
9335 }
9336
9337 - (void) queue {
9338     @synchronized (self) {
9339         [self perform];
9340     }
9341 }
9342
9343 - (void) clearPackage:(Package *)package {
9344     @synchronized (self) {
9345         [package clear];
9346         [self resolve];
9347         [self perform];
9348     }
9349 }
9350
9351 - (void) installPackages:(NSArray *)packages {
9352     @synchronized (self) {
9353         for (Package *package in packages)
9354             [package install];
9355         [self resolve];
9356         [self perform];
9357     }
9358 }
9359
9360 - (void) installPackage:(Package *)package {
9361     @synchronized (self) {
9362         [package install];
9363         [self resolve];
9364         [self perform];
9365     }
9366 }
9367
9368 - (void) removePackage:(Package *)package {
9369     @synchronized (self) {
9370         [package remove];
9371         [self resolve];
9372         [self perform];
9373     }
9374 }
9375
9376 - (void) distUpgrade {
9377     @synchronized (self) {
9378         if (![database_ upgrade])
9379             return;
9380         [self perform];
9381     }
9382 }
9383
9384 - (void) _uicache {
9385     _trace();
9386
9387     if (UpgradeCydia_ && Finish_ > 0) {
9388         setreugid(0, 0);
9389         system("su -c /usr/bin/uicache mobile");
9390     } else {
9391         system("/usr/bin/uicache");
9392     }
9393
9394     _trace();
9395 }
9396
9397 - (void) uicache {
9398     UIProgressHUD *hud([self addProgressHUD]);
9399     [hud setText:UCLocalize("LOADING")];
9400     [self yieldToSelector:@selector(_uicache)];
9401     [self removeProgressHUD:hud];
9402 }
9403
9404 - (void) perform_ {
9405     [database_ perform];
9406     [self performSelectorOnMainThread:@selector(reloadData) withObject:nil waitUntilDone:YES];
9407     [self performSelectorOnMainThread:@selector(uicache) withObject:nil waitUntilDone:YES];
9408 }
9409
9410 - (void) confirmWithNavigationController:(UINavigationController *)navigation {
9411     Queuing_ = false;
9412     [self lockSuspend];
9413     [self detachNewProgressSelector:@selector(perform_) toTarget:self forController:navigation title:@"RUNNING"];
9414     [self unlockSuspend];
9415 }
9416
9417 - (void) retainNetworkActivityIndicator {
9418     if (activity_++ == 0)
9419         [self setNetworkActivityIndicatorVisible:YES];
9420
9421 #if TraceLogging
9422     NSLog(@"retainNetworkActivityIndicator->%d", activity_);
9423 #endif
9424 }
9425
9426 - (void) releaseNetworkActivityIndicator {
9427     if (--activity_ == 0)
9428         [self setNetworkActivityIndicatorVisible:NO];
9429
9430 #if TraceLogging
9431     NSLog(@"releaseNetworkActivityIndicator->%d", activity_);
9432 #endif
9433
9434 }
9435
9436 - (void) cancelAndClear:(bool)clear {
9437     @synchronized (self) {
9438         if (clear) {
9439             [database_ clear];
9440             Queuing_ = false;
9441         } else {
9442             Queuing_ = true;
9443         }
9444
9445         [self _updateData];
9446     }
9447 }
9448
9449 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
9450     NSString *context([alert context]);
9451
9452     if ([context isEqualToString:@"conffile"]) {
9453         FILE *input = [database_ input];
9454         if (button == [alert cancelButtonIndex])
9455             fprintf(input, "N\n");
9456         else if (button == [alert firstOtherButtonIndex])
9457             fprintf(input, "Y\n");
9458         fflush(input);
9459
9460         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9461     } else if ([context isEqualToString:@"fixhalf"]) {
9462         if (button == [alert cancelButtonIndex]) {
9463             @synchronized (self) {
9464                 for (Package *broken in (id) broken_) {
9465                     [broken remove];
9466                     NSString *id = [broken id];
9467
9468                     _root({
9469                         unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.prerm", id] UTF8String]);
9470                         unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postrm", id] UTF8String]);
9471                         unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.preinst", id] UTF8String]);
9472                         unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postinst", id] UTF8String]);
9473                     });
9474                 }
9475
9476                 [self resolve];
9477                 [self perform];
9478             }
9479         } else if (button == [alert firstOtherButtonIndex]) {
9480             [broken_ removeAllObjects];
9481             [self _loaded];
9482         }
9483
9484         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9485     } else if ([context isEqualToString:@"upgrade"]) {
9486         if (button == [alert firstOtherButtonIndex]) {
9487             @synchronized (self) {
9488                 for (Package *essential in (id) essential_)
9489                     [essential install];
9490
9491                 [self resolve];
9492                 [self perform];
9493             }
9494         } else if (button == [alert firstOtherButtonIndex] + 1) {
9495             [self distUpgrade];
9496         } else if (button == [alert cancelButtonIndex]) {
9497             Ignored_ = YES;
9498         }
9499
9500         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9501     }
9502 }
9503
9504 - (void) system:(NSString *)command {
9505     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
9506
9507     _trace();
9508     _root(system([command UTF8String]));
9509     _trace();
9510
9511     [pool release];
9512 }
9513
9514 - (void) applicationWillSuspend {
9515     [database_ clean];
9516     [super applicationWillSuspend];
9517 }
9518
9519 - (BOOL) isSafeToSuspend {
9520     if (locked_ != 0) {
9521 #if !ForRelease
9522         NSLog(@"isSafeToSuspend: locked_ != 0");
9523 #endif
9524         return false;
9525     }
9526
9527     if ([tabbar_ modalViewController] != nil)
9528         return false;
9529
9530     // Use external process status API internally.
9531     // This is probably a really bad idea.
9532     // XXX: what is the point of this? does this solve anything at all?
9533     uint64_t status = 0;
9534     int notify_token;
9535     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
9536         notify_get_state(notify_token, &status);
9537         notify_cancel(notify_token);
9538     }
9539
9540     if (status != 0) {
9541 #if !ForRelease
9542         NSLog(@"isSafeToSuspend: status != 0");
9543 #endif
9544         return false;
9545     }
9546
9547 #if !ForRelease
9548     NSLog(@"isSafeToSuspend: -> true");
9549 #endif
9550     return true;
9551 }
9552
9553 - (void) suspendReturningToLastApp:(BOOL)returning {
9554     if ([self isSafeToSuspend])
9555         [super suspendReturningToLastApp:returning];
9556 }
9557
9558 - (void) suspend {
9559     if ([self isSafeToSuspend])
9560         [super suspend];
9561 }
9562
9563 - (void) applicationSuspend {
9564     if ([self isSafeToSuspend])
9565         [super applicationSuspend];
9566 }
9567
9568 - (void) applicationSuspend:(__GSEvent *)event {
9569     if ([self isSafeToSuspend])
9570         [super applicationSuspend:event];
9571 }
9572
9573 - (void) _animateSuspension:(BOOL)arg0 duration:(double)arg1 startTime:(double)arg2 scale:(float)arg3 {
9574     if ([self isSafeToSuspend])
9575         [super _animateSuspension:arg0 duration:arg1 startTime:arg2 scale:arg3];
9576 }
9577
9578 - (void) _setSuspended:(BOOL)value {
9579     if ([self isSafeToSuspend])
9580         [super _setSuspended:value];
9581 }
9582
9583 - (UIProgressHUD *) addProgressHUD {
9584     UIProgressHUD *hud([[[UIProgressHUD alloc] init] autorelease]);
9585     [hud setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
9586
9587     [window_ setUserInteractionEnabled:NO];
9588
9589     UIViewController *target(tabbar_);
9590     if (UIViewController *modal = [target modalViewController])
9591         target = modal;
9592
9593     [hud showInView:[target view]];
9594
9595     [self lockSuspend];
9596     return hud;
9597 }
9598
9599 - (void) removeProgressHUD:(UIProgressHUD *)hud {
9600     [self unlockSuspend];
9601     [hud hide];
9602     [hud removeFromSuperview];
9603     [window_ setUserInteractionEnabled:YES];
9604 }
9605
9606 - (CyteViewController *) pageForPackage:(NSString *)name withReferrer:(NSString *)referrer {
9607     return [[[CYPackageController alloc] initWithDatabase:database_ forPackage:name withReferrer:referrer] autorelease];
9608 }
9609
9610 - (CyteViewController *) pageForURL:(NSURL *)url forExternal:(BOOL)external withReferrer:(NSString *)referrer {
9611     NSString *scheme([[url scheme] lowercaseString]);
9612     if ([[url absoluteString] length] <= [scheme length] + 3)
9613         return nil;
9614     NSString *path([[url absoluteString] substringFromIndex:[scheme length] + 3]);
9615     NSArray *components([path componentsSeparatedByString:@"/"]);
9616
9617     if ([scheme isEqualToString:@"apptapp"] && [components count] > 0 && [[components objectAtIndex:0] isEqualToString:@"package"]) {
9618         CyteViewController *controller([self pageForPackage:[components objectAtIndex:1] withReferrer:referrer]);
9619         if (controller != nil)
9620             [controller setDelegate:self];
9621         return controller;
9622     }
9623
9624     if ([components count] < 1 || ![scheme isEqualToString:@"cydia"])
9625         return nil;
9626
9627     NSString *base([components objectAtIndex:0]);
9628
9629     CyteViewController *controller = nil;
9630
9631     if ([base isEqualToString:@"url"]) {
9632         // This kind of URL can contain slashes in the argument, so we can't parse them below.
9633         NSString *destination = [[url absoluteString] substringFromIndex:([scheme length] + [@"://" length] + [base length] + [@"/" length])];
9634         controller = [[[CydiaWebViewController alloc] initWithURL:[NSURL URLWithString:destination]] autorelease];
9635     } else if (!external && [components count] == 1) {
9636         if ([base isEqualToString:@"sources"]) {
9637             controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
9638         }
9639
9640         if ([base isEqualToString:@"home"]) {
9641             controller = [[[HomeController alloc] init] autorelease];
9642         }
9643
9644         if ([base isEqualToString:@"sections"]) {
9645             controller = [[[SectionsController alloc] initWithDatabase:database_ source:nil] autorelease];
9646         }
9647
9648         if ([base isEqualToString:@"search"]) {
9649             controller = [[[SearchController alloc] initWithDatabase:database_ query:nil] autorelease];
9650         }
9651
9652         if ([base isEqualToString:@"changes"]) {
9653             controller = [[[ChangesController alloc] initWithDatabase:database_] autorelease];
9654         }
9655
9656         if ([base isEqualToString:@"installed"]) {
9657             controller = [[[InstalledController alloc] initWithDatabase:database_] autorelease];
9658         }
9659     } else if ([components count] == 2) {
9660         NSString *argument = [[components objectAtIndex:1] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
9661
9662         if ([base isEqualToString:@"package"]) {
9663             controller = [self pageForPackage:argument withReferrer:referrer];
9664         }
9665
9666         if (!external && [base isEqualToString:@"search"]) {
9667             controller = [[[SearchController alloc] initWithDatabase:database_ query:argument] autorelease];
9668         }
9669
9670         if (!external && [base isEqualToString:@"sections"]) {
9671             if ([argument isEqualToString:@"all"] || [argument isEqualToString:@"*"])
9672                 argument = nil;
9673             controller = [[[SectionController alloc] initWithDatabase:database_ source:nil section:argument] autorelease];
9674         }
9675
9676         if (!external && [base isEqualToString:@"sources"]) {
9677             if ([argument isEqualToString:@"add"]) {
9678                 controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
9679                 [(SourcesController *)controller showAddSourcePrompt];
9680             } else {
9681                 Source *source([database_ sourceWithKey:argument]);
9682                 controller = [[[SectionsController alloc] initWithDatabase:database_ source:source] autorelease];
9683             }
9684         }
9685
9686         if (!external && [base isEqualToString:@"launch"]) {
9687             [self launchApplicationWithIdentifier:argument suspended:NO];
9688             return nil;
9689         }
9690     } else if (!external && [components count] == 3) {
9691         NSString *arg1 = [[components objectAtIndex:1] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
9692         NSString *arg2 = [[components objectAtIndex:2] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
9693
9694         if ([base isEqualToString:@"package"]) {
9695             if ([arg2 isEqualToString:@"settings"]) {
9696                 controller = [[[PackageSettingsController alloc] initWithDatabase:database_ package:arg1] autorelease];
9697             } else if ([arg2 isEqualToString:@"files"]) {
9698                 if (Package *package = [database_ packageWithName:arg1]) {
9699                     controller = [[[FileTable alloc] initWithDatabase:database_] autorelease];
9700                     [(FileTable *)controller setPackage:package];
9701                 }
9702             }
9703         }
9704
9705         if ([base isEqualToString:@"sections"]) {
9706             Source *source([arg1 isEqualToString:@"*"] ? nil : [database_ sourceWithKey:arg1]);
9707             NSString *section([arg2 isEqualToString:@"*"] ? nil : arg2);
9708             controller = [[[SectionController alloc] initWithDatabase:database_ source:source section:section] autorelease];
9709         }
9710     }
9711
9712     [controller setDelegate:self];
9713     return controller;
9714 }
9715
9716 - (BOOL) openCydiaURL:(NSURL *)url forExternal:(BOOL)external {
9717     CyteViewController *page([self pageForURL:url forExternal:external withReferrer:nil]);
9718
9719     if (page != nil)
9720         [tabbar_ setUnselectedViewController:page];
9721
9722     return page != nil;
9723 }
9724
9725 - (void) applicationOpenURL:(NSURL *)url {
9726     [super applicationOpenURL:url];
9727
9728     if (!loaded_)
9729         starturl_ = url;
9730     else
9731         [self openCydiaURL:url forExternal:YES];
9732 }
9733
9734 - (void) applicationWillResignActive:(UIApplication *)application {
9735     // Stop refreshing if you get a phone call or lock the device.
9736     if ([tabbar_ updating])
9737         [tabbar_ cancelUpdate];
9738
9739     if ([[self superclass] instancesRespondToSelector:@selector(applicationWillResignActive:)])
9740         [super applicationWillResignActive:application];
9741 }
9742
9743 - (void) saveState {
9744     [Metadata_ setObject:[tabbar_ navigationURLCollection] forKey:@"InterfaceState"];
9745     [Metadata_ setObject:[NSDate date] forKey:@"LastClosed"];
9746     [Metadata_ setObject:[NSNumber numberWithInt:[tabbar_ selectedIndex]] forKey:@"InterfaceIndex"];
9747     Changed_ = true;
9748
9749     [self _saveConfig];
9750 }
9751
9752 - (void) applicationWillTerminate:(UIApplication *)application {
9753     [self saveState];
9754 }
9755
9756 - (void) applicationDidEnterBackground:(UIApplication *)application {
9757     if (kCFCoreFoundationVersionNumber < 1000 && [self isSafeToSuspend])
9758         return [self terminateWithSuccess];
9759     [self saveState];
9760 }
9761
9762 - (void) applicationWillEnterForeground:(UIApplication *)application {
9763     NSDate *closed = [Metadata_ objectForKey:@"LastClosed"];
9764     if (closed == nil)
9765         return;
9766
9767     NSTimeInterval interval([closed timeIntervalSinceNow]);
9768
9769     if (interval <= -(30*60)) {
9770         [tabbar_ setSelectedIndex:0];
9771         [[[tabbar_ viewControllers] objectAtIndex:0] popToRootViewControllerAnimated:NO];
9772     }
9773
9774     if (interval <= -(15*60)) {
9775         if (IsReachable("cydia.saurik.com")) {
9776             [tabbar_ beginUpdate];
9777             [appcache_ reloadURLWithCache:YES];
9778         }
9779     }
9780 }
9781
9782 - (void) setConfigurationData:(NSString *)data {
9783     static Pcre conffile_r("^'(.*)' '(.*)' ([01]) ([01])$");
9784
9785     if (!conffile_r(data)) {
9786         lprintf("E:invalid conffile\n");
9787         return;
9788     }
9789
9790     NSString *ofile = conffile_r[1];
9791     //NSString *nfile = conffile_r[2];
9792
9793     UIAlertView *alert = [[[UIAlertView alloc]
9794         initWithTitle:UCLocalize("CONFIGURATION_UPGRADE")
9795         message:[NSString stringWithFormat:@"%@\n\n%@", UCLocalize("CONFIGURATION_UPGRADE_EX"), ofile]
9796         delegate:self
9797         cancelButtonTitle:UCLocalize("KEEP_OLD_COPY")
9798         otherButtonTitles:
9799             UCLocalize("ACCEPT_NEW_COPY"),
9800             // XXX: UCLocalize("SEE_WHAT_CHANGED"),
9801         nil
9802     ] autorelease];
9803
9804     [alert setContext:@"conffile"];
9805     [alert setNumberOfRows:2];
9806     [alert show];
9807 }
9808
9809 - (void) addStashController {
9810     [self lockSuspend];
9811     stash_ = [[[StashController alloc] init] autorelease];
9812     [window_ addSubview:[stash_ view]];
9813 }
9814
9815 - (void) removeStashController {
9816     [[stash_ view] removeFromSuperview];
9817     stash_ = nil;
9818     [self unlockSuspend];
9819 }
9820
9821 - (void) stash {
9822     [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleBlackOpaque];
9823     UpdateExternalStatus(1);
9824     [self yieldToSelector:@selector(system:) withObject:@"/usr/libexec/cydia/free.sh"];
9825     UpdateExternalStatus(0);
9826
9827     [self removeStashController];
9828
9829     pid_t pid(ExecFork());
9830     if (pid == 0) {
9831         execlp("launchctl", "launchctl", "stop", "com.apple.SpringBoard", NULL);
9832         perror("launchctl stop");
9833
9834         exit(0);
9835     } ReapZombie(pid);
9836 }
9837
9838 - (void) setupViewControllers {
9839     tabbar_ = [[[CydiaTabBarController alloc] initWithDatabase:database_] autorelease];
9840
9841     NSMutableArray *items;
9842     if (kCFCoreFoundationVersionNumber < 800) {
9843         items = [NSMutableArray arrayWithObjects:
9844             [[[UITabBarItem alloc] initWithTitle:@"Cydia" image:[UIImage imageNamed:@"home.png"] tag:0] autorelease],
9845             [[[UITabBarItem alloc] initWithTitle:UCLocalize("SOURCES") image:[UIImage imageNamed:@"install.png"] tag:0] autorelease],
9846             [[[UITabBarItem alloc] initWithTitle:UCLocalize("CHANGES") image:[UIImage imageNamed:@"changes.png"] tag:0] autorelease],
9847             [[[UITabBarItem alloc] initWithTitle:UCLocalize("INSTALLED") image:[UIImage imageNamed:@"manage.png"] tag:0] autorelease],
9848             [[[UITabBarItem alloc] initWithTitle:UCLocalize("SEARCH") image:[UIImage imageNamed:@"search.png"] tag:0] autorelease],
9849         nil];
9850     } else {
9851         items = [NSMutableArray arrayWithObjects:
9852             [[[UITabBarItem alloc] initWithTitle:@"Cydia" image:[UIImage imageNamed:@"home7.png"] selectedImage:[UIImage imageNamed:@"home7s.png"]] autorelease],
9853             [[[UITabBarItem alloc] initWithTitle:UCLocalize("SOURCES") image:[UIImage imageNamed:@"install7.png"] selectedImage:[UIImage imageNamed:@"install7s.png"]] autorelease],
9854             [[[UITabBarItem alloc] initWithTitle:UCLocalize("CHANGES") image:[UIImage imageNamed:@"changes7.png"] selectedImage:[UIImage imageNamed:@"changes7s.png"]] autorelease],
9855             [[[UITabBarItem alloc] initWithTitle:UCLocalize("INSTALLED") image:[UIImage imageNamed:@"manage7.png"] selectedImage:[UIImage imageNamed:@"manage7s.png"]] autorelease],
9856             [[[UITabBarItem alloc] initWithTitle:UCLocalize("SEARCH") image:[UIImage imageNamed:@"search7.png"] selectedImage:[UIImage imageNamed:@"search7s.png"]] autorelease],
9857         nil];
9858     }
9859
9860     NSMutableArray *controllers([NSMutableArray array]);
9861     for (UITabBarItem *item in items) {
9862         UINavigationController *controller([[[UINavigationController alloc] init] autorelease]);
9863         [controller setTabBarItem:item];
9864         [controllers addObject:controller];
9865     }
9866     [tabbar_ setViewControllers:controllers];
9867
9868     [tabbar_ setUpdateDelegate:self];
9869 }
9870
9871 - (void) _sendMemoryWarningNotification {
9872     if (kCFCoreFoundationVersionNumber < kCFCoreFoundationVersionNumber_iPhoneOS_3_0) // XXX: maybe 4_0?
9873         [[NSNotificationCenter defaultCenter] postNotificationName:@"UIApplicationMemoryWarningNotification" object:[UIApplication sharedApplication]];
9874     else
9875         [[NSNotificationCenter defaultCenter] postNotificationName:@"UIApplicationDidReceiveMemoryWarningNotification" object:[UIApplication sharedApplication]];
9876 }
9877
9878 - (void) _sendMemoryWarningNotifications {
9879     while (true) {
9880         [self performSelectorOnMainThread:@selector(_sendMemoryWarningNotification) withObject:nil waitUntilDone:NO];
9881         sleep(2);
9882         //usleep(2000000);
9883     }
9884 }
9885
9886 - (void) applicationDidReceiveMemoryWarning:(UIApplication *)application {
9887     NSLog(@"--");
9888     [[NSURLCache sharedURLCache] removeAllCachedResponses];
9889 }
9890
9891 - (void) applicationDidFinishLaunching:(id)unused {
9892     //[NSThread detachNewThreadSelector:@selector(_sendMemoryWarningNotifications) toTarget:self withObject:nil];
9893
9894 _trace();
9895     if ([self respondsToSelector:@selector(setApplicationSupportsShakeToEdit:)])
9896         [self setApplicationSupportsShakeToEdit:NO];
9897
9898     @synchronized (HostConfig_) {
9899         [BridgedHosts_ addObject:[[NSURL URLWithString:CydiaURL(@"")] host]];
9900     }
9901
9902     [NSURLCache setSharedURLCache:[[[CYURLCache alloc]
9903         initWithMemoryCapacity:524288
9904         diskCapacity:10485760
9905         diskPath:Cache("SDURLCache")
9906     ] autorelease]];
9907
9908     [CydiaWebViewController _initialize];
9909
9910     [NSURLProtocol registerClass:[CydiaURLProtocol class]];
9911
9912     // this would disallow http{,s} URLs from accessing this data
9913     //[WebView registerURLSchemeAsLocal:@"cydia"];
9914
9915     Font12_ = [UIFont systemFontOfSize:12];
9916     Font12Bold_ = [UIFont boldSystemFontOfSize:12];
9917     Font14_ = [UIFont systemFontOfSize:14];
9918     Font18_ = [UIFont systemFontOfSize:18];
9919     Font18Bold_ = [UIFont boldSystemFontOfSize:18];
9920     Font22Bold_ = [UIFont boldSystemFontOfSize:22];
9921
9922     essential_ = [NSMutableArray arrayWithCapacity:4];
9923     broken_ = [NSMutableArray arrayWithCapacity:4];
9924
9925     // XXX: I really need this thing... like, seriously... I'm sorry
9926     appcache_ = [[[AppCacheController alloc] initWithURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/appcache/", UI_]]] autorelease];
9927     [appcache_ reloadData];
9928
9929     window_ = [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease];
9930     [window_ orderFront:self];
9931     [window_ makeKey:self];
9932     [window_ setHidden:NO];
9933
9934     if (false) stash: {
9935         [self addStashController];
9936         // XXX: this would be much cleaner as a yieldToSelector:
9937         // that way the removeStashController could happen right here inline
9938         // we also could no longer require the useless stash_ field anymore
9939         [self performSelector:@selector(stash) withObject:nil afterDelay:0];
9940         return;
9941     }
9942
9943     struct stat root;
9944     int error(stat("/", &root));
9945     _assert(error != -1);
9946
9947     #define Stash_(path) do { \
9948         struct stat folder; \
9949         int error(lstat((path), &folder)); \
9950         if (error != -1 && ( \
9951             folder.st_dev == root.st_dev && \
9952             S_ISDIR(folder.st_mode) \
9953         ) || error == -1 && ( \
9954             errno == ENOENT || \
9955             errno == ENOTDIR \
9956         )) goto stash; \
9957     } while (false)
9958
9959     Stash_("/Applications");
9960     Stash_("/Library/Ringtones");
9961     Stash_("/Library/Wallpaper");
9962     //Stash_("/usr/bin");
9963     Stash_("/usr/include");
9964     Stash_("/usr/share");
9965     //Stash_("/var/lib");
9966
9967     database_ = [Database sharedInstance];
9968     [database_ setDelegate:self];
9969
9970     [window_ setUserInteractionEnabled:NO];
9971     [self setupViewControllers];
9972
9973     CydiaLoadingViewController *loading([[[CydiaLoadingViewController alloc] init] autorelease]);
9974     UINavigationController *navigation([[[UINavigationController alloc] init] autorelease]);
9975     [navigation setViewControllers:[NSArray arrayWithObject:loading]];
9976
9977     emulated_ = [[[CyteTabBarController alloc] init] autorelease];
9978     [emulated_ setViewControllers:[NSArray arrayWithObject:navigation]];
9979     [emulated_ setSelectedIndex:0];
9980
9981     if ([emulated_ respondsToSelector:@selector(concealTabBarSelection)])
9982         [emulated_ concealTabBarSelection];
9983
9984     if ([window_ respondsToSelector:@selector(setRootViewController:)])
9985         [window_ setRootViewController:emulated_];
9986     else
9987         [window_ addSubview:[emulated_ view]];
9988
9989     [self performSelector:@selector(loadData) withObject:nil afterDelay:0];
9990 _trace();
9991 }
9992
9993 - (NSArray *) defaultStartPages {
9994     NSMutableArray *standard = [NSMutableArray array];
9995     [standard addObject:[NSArray arrayWithObject:@"cydia://home"]];
9996     [standard addObject:[NSArray arrayWithObject:@"cydia://sources"]];
9997     [standard addObject:[NSArray arrayWithObject:@"cydia://changes"]];
9998     [standard addObject:[NSArray arrayWithObject:@"cydia://installed"]];
9999     [standard addObject:[NSArray arrayWithObject:@"cydia://search"]];
10000     return standard;
10001 }
10002
10003 - (void) loadData {
10004 _trace();
10005     if ([emulated_ modalViewController] != nil)
10006         [emulated_ dismissModalViewControllerAnimated:YES];
10007     [window_ setUserInteractionEnabled:NO];
10008
10009     [self reloadDataWithInvocation:nil];
10010     [self refreshIfPossible];
10011     [self disemulate];
10012
10013     int savedIndex = [[Metadata_ objectForKey:@"InterfaceIndex"] intValue];
10014     NSArray *saved = [[[Metadata_ objectForKey:@"InterfaceState"] mutableCopy] autorelease];
10015     int standardIndex = 0;
10016     NSArray *standard = [self defaultStartPages];
10017
10018     BOOL valid = YES;
10019
10020     if (saved == nil)
10021         valid = NO;
10022
10023     NSDate *closed = [Metadata_ objectForKey:@"LastClosed"];
10024     if (valid && closed != nil) {
10025         NSTimeInterval interval([closed timeIntervalSinceNow]);
10026         if (interval <= -(30*60))
10027             valid = NO;
10028     }
10029
10030     if (valid && [saved count] != [standard count])
10031         valid = NO;
10032
10033     if (valid) {
10034         for (unsigned int i = 0; i < [standard count]; i++) {
10035             NSArray *std = [standard objectAtIndex:i], *sav = [saved objectAtIndex:i];
10036             // XXX: The "hasPrefix" sanity check here could be, in theory, fooled,
10037             //      but it's good enough for now.
10038             if ([sav count] == 0 || ![[sav objectAtIndex:0] hasPrefix:[std objectAtIndex:0]]) {
10039                 valid = NO;
10040                 break;
10041             }
10042         }
10043     }
10044
10045     NSArray *items = nil;
10046     if (valid) {
10047         [tabbar_ setSelectedIndex:savedIndex];
10048         items = saved;
10049     } else {
10050         [tabbar_ setSelectedIndex:standardIndex];
10051         items = standard;
10052     }
10053
10054     for (unsigned int tab = 0; tab < [[tabbar_ viewControllers] count]; tab++) {
10055         NSArray *stack = [items objectAtIndex:tab];
10056         UINavigationController *navigation = [[tabbar_ viewControllers] objectAtIndex:tab];
10057         NSMutableArray *current = [NSMutableArray array];
10058
10059         for (unsigned int nav = 0; nav < [stack count]; nav++) {
10060             NSString *addr = [stack objectAtIndex:nav];
10061             NSURL *url = [NSURL URLWithString:addr];
10062             CyteViewController *page = [self pageForURL:url forExternal:NO withReferrer:nil];
10063             if (page != nil)
10064                 [current addObject:page];
10065         }
10066
10067         [navigation setViewControllers:current];
10068     }
10069
10070     // (Try to) show the startup URL.
10071     if (starturl_ != nil) {
10072         [self openCydiaURL:starturl_ forExternal:YES];
10073         starturl_ = nil;
10074     }
10075 }
10076
10077 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item {
10078     if (item != nil && IsWildcat_) {
10079         [sheet showFromBarButtonItem:item animated:YES];
10080     } else {
10081         [sheet showInView:window_];
10082     }
10083 }
10084
10085 - (void) addProgressEvent:(CydiaProgressEvent *)event forTask:(NSString *)task {
10086     id<ProgressDelegate> progress([database_ progressDelegate] ?: [self invokeNewProgress:nil forController:nil withTitle:task]);
10087     [progress setTitle:task];
10088     [progress addProgressEvent:event];
10089 }
10090
10091 - (void) addProgressEventForTask:(NSArray *)data {
10092     CydiaProgressEvent *event([data objectAtIndex:0]);
10093     NSString *task([data count] < 2 ? nil : [data objectAtIndex:1]);
10094     [self addProgressEvent:event forTask:task];
10095 }
10096
10097 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task {
10098     [self performSelectorOnMainThread:@selector(addProgressEventForTask:) withObject:[NSArray arrayWithObjects:event, task, nil] waitUntilDone:YES];
10099 }
10100
10101 @end
10102
10103 /*IMP alloc_;
10104 id Alloc_(id self, SEL selector) {
10105     id object = alloc_(self, selector);
10106     lprintf("[%s]A-%p\n", self->isa->name, object);
10107     return object;
10108 }*/
10109
10110 /*IMP dealloc_;
10111 id Dealloc_(id self, SEL selector) {
10112     id object = dealloc_(self, selector);
10113     lprintf("[%s]D-%p\n", self->isa->name, object);
10114     return object;
10115 }*/
10116
10117 Class $NSURLConnection;
10118
10119 MSHook(id, NSURLConnection$init$, NSURLConnection *self, SEL _cmd, NSURLRequest *request, id delegate, BOOL usesCache, int64_t maxContentLength, BOOL startImmediately, NSDictionary *connectionProperties) {
10120     NSMutableURLRequest *copy([[request mutableCopy] autorelease]);
10121
10122     NSURL *url([copy URL]);
10123
10124     NSString *host([url host]);
10125     NSString *scheme([[url scheme] lowercaseString]);
10126
10127     NSString *compound([NSString stringWithFormat:@"%@:%@", scheme, host]);
10128
10129     @synchronized (HostConfig_) {
10130         if ([copy respondsToSelector:@selector(setHTTPShouldUsePipelining:)])
10131             if ([PipelinedHosts_ containsObject:host] || [PipelinedHosts_ containsObject:compound])
10132                 [copy setHTTPShouldUsePipelining:YES];
10133
10134         if (NSString *control = [copy valueForHTTPHeaderField:@"Cache-Control"])
10135             if ([control isEqualToString:@"max-age=0"])
10136                 if ([CachedURLs_ containsObject:url]) {
10137 #if !ForRelease
10138                     NSLog(@"~~~: %@", url);
10139 #endif
10140
10141                     [copy setCachePolicy:NSURLRequestReturnCacheDataDontLoad];
10142
10143                     [copy setValue:nil forHTTPHeaderField:@"Cache-Control"];
10144                     [copy setValue:nil forHTTPHeaderField:@"If-Modified-Since"];
10145                     [copy setValue:nil forHTTPHeaderField:@"If-None-Match"];
10146                 }
10147     }
10148
10149     if ((self = _NSURLConnection$init$(self, _cmd, copy, delegate, usesCache, maxContentLength, startImmediately, connectionProperties)) != nil) {
10150     } return self;
10151 }
10152
10153 Class $WAKWindow;
10154
10155 static CGSize $WAKWindow$screenSize(WAKWindow *self, SEL _cmd) {
10156     CGSize size([[UIScreen mainScreen] bounds].size);
10157     /*if ([$WAKWindow respondsToSelector:@selector(hasLandscapeOrientation)])
10158         if ([$WAKWindow hasLandscapeOrientation])
10159             std::swap(size.width, size.height);*/
10160     return size;
10161 }
10162
10163 Class $NSUserDefaults;
10164
10165 MSHook(id, NSUserDefaults$objectForKey$, NSUserDefaults *self, SEL _cmd, NSString *key) {
10166     if ([key respondsToSelector:@selector(isEqualToString:)] && [key isEqualToString:@"WebKitLocalStorageDatabasePathPreferenceKey"])
10167         return Cache("LocalStorage");
10168     return _NSUserDefaults$objectForKey$(self, _cmd, key);
10169 }
10170
10171 int main(int argc, char *argv[]) {
10172     setreugid(501, 501);
10173
10174     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
10175
10176     _trace();
10177
10178     UpdateExternalStatus(0);
10179
10180     UIScreen *screen([UIScreen mainScreen]);
10181     if ([screen respondsToSelector:@selector(scale)])
10182         ScreenScale_ = [screen scale];
10183     else
10184         ScreenScale_ = 1;
10185
10186     UIDevice *device([UIDevice currentDevice]);
10187     if ([device respondsToSelector:@selector(userInterfaceIdiom)]) {
10188         UIUserInterfaceIdiom idiom([device userInterfaceIdiom]);
10189         if (idiom == UIUserInterfaceIdiomPad)
10190             IsWildcat_ = true;
10191     }
10192
10193     Idiom_ = IsWildcat_ ? @"ipad" : @"iphone";
10194
10195     Pcre pattern("^([0-9]+\\.[0-9]+)");
10196
10197     if (pattern([device systemVersion]))
10198         Firmware_ = pattern[1];
10199     if (pattern(Cydia_))
10200         Major_ = pattern[1];
10201
10202     SessionData_ = [NSMutableDictionary dictionaryWithCapacity:4];
10203
10204     HostConfig_ = [[[NSObject alloc] init] autorelease];
10205     @synchronized (HostConfig_) {
10206         BridgedHosts_ = [NSMutableSet setWithCapacity:4];
10207         TokenHosts_ = [NSMutableSet setWithCapacity:4];
10208         InsecureHosts_ = [NSMutableSet setWithCapacity:4];
10209         PipelinedHosts_ = [NSMutableSet setWithCapacity:4];
10210         CachedURLs_ = [NSMutableSet setWithCapacity:32];
10211     }
10212
10213     NSString *ui(@"ui/ios");
10214     if (Idiom_ != nil)
10215         ui = [ui stringByAppendingString:[NSString stringWithFormat:@"~%@", Idiom_]];
10216     ui = [ui stringByAppendingString:[NSString stringWithFormat:@"/%@", Major_]];
10217     UI_ = CydiaURL(ui);
10218
10219     PackageName = reinterpret_cast<CYString &(*)(Package *, SEL)>(method_getImplementation(class_getInstanceMethod([Package class], @selector(cyname))));
10220
10221     /* Library Hacks {{{ */
10222     class_addMethod(objc_getClass("DOMNodeList"), @selector(countByEnumeratingWithState:objects:count:), (IMP) &DOMNodeList$countByEnumeratingWithState$objects$count$, "I20@0:4^{NSFastEnumerationState}8^@12I16");
10223
10224     $WAKWindow = objc_getClass("WAKWindow");
10225     if ($WAKWindow != NULL)
10226         if (Method method = class_getInstanceMethod($WAKWindow, @selector(screenSize)))
10227             method_setImplementation(method, (IMP) &$WAKWindow$screenSize);
10228
10229     $NSURLConnection = objc_getClass("NSURLConnection");
10230     Method NSURLConnection$init$(class_getInstanceMethod($NSURLConnection, @selector(_initWithRequest:delegate:usesCache:maxContentLength:startImmediately:connectionProperties:)));
10231     if (NSURLConnection$init$ != NULL) {
10232         _NSURLConnection$init$ = reinterpret_cast<id (*)(NSURLConnection *, SEL, NSURLRequest *, id, BOOL, int64_t, BOOL, NSDictionary *)>(method_getImplementation(NSURLConnection$init$));
10233         method_setImplementation(NSURLConnection$init$, reinterpret_cast<IMP>(&$NSURLConnection$init$));
10234     }
10235
10236     $NSUserDefaults = objc_getClass("NSUserDefaults");
10237     Method NSUserDefaults$objectForKey$(class_getInstanceMethod($NSUserDefaults, @selector(objectForKey:)));
10238     if (NSUserDefaults$objectForKey$ != NULL) {
10239         _NSUserDefaults$objectForKey$ = reinterpret_cast<id (*)(NSUserDefaults *, SEL, NSString *)>(method_getImplementation(NSUserDefaults$objectForKey$));
10240         method_setImplementation(NSUserDefaults$objectForKey$, reinterpret_cast<IMP>(&$NSUserDefaults$objectForKey$));
10241     }
10242     /* }}} */
10243     /* Set Locale {{{ */
10244     Locale_ = CFLocaleCopyCurrent();
10245     Languages_ = [NSLocale preferredLanguages];
10246
10247     //CFStringRef locale(CFLocaleGetIdentifier(Locale_));
10248     //NSLog(@"%@", [Languages_ description]);
10249
10250     const char *lang;
10251     if (Locale_ != NULL)
10252         lang = [(NSString *) CFLocaleGetIdentifier(Locale_) UTF8String];
10253     else if (Languages_ != nil && [Languages_ count] != 0)
10254         lang = [[Languages_ objectAtIndex:0] UTF8String];
10255     else
10256         // XXX: consider just setting to C and then falling through?
10257         lang = NULL;
10258
10259     if (lang != NULL) {
10260         Pcre pattern("^([a-z][a-z])(?:-[A-Za-z]*)?(_[A-Z][A-Z])?$");
10261         lang = !pattern(lang) ? NULL : [pattern->*@"%1$@%2$@" UTF8String];
10262     }
10263
10264     NSLog(@"Setting Language: %s", lang);
10265
10266     if (lang != NULL) {
10267         setenv("LANG", lang, true);
10268         std::setlocale(LC_ALL, lang);
10269     }
10270     /* }}} */
10271     /* Index Collation {{{ */
10272     if (Class $UILocalizedIndexedCollation = objc_getClass("UILocalizedIndexedCollation")) { @try {
10273         NSBundle *bundle([NSBundle bundleForClass:$UILocalizedIndexedCollation]);
10274         NSString *path([bundle pathForResource:@"UITableViewLocalizedSectionIndex" ofType:@"plist"]);
10275         //path = @"/System/Library/Frameworks/UIKit.framework/.lproj/UITableViewLocalizedSectionIndex.plist";
10276         NSDictionary *dictionary([NSDictionary dictionaryWithContentsOfFile:path]);
10277         _H<UILocalizedIndexedCollation> collation([[[$UILocalizedIndexedCollation alloc] initWithDictionary:dictionary] autorelease]);
10278
10279         CollationLocale_ = MSHookIvar<NSLocale *>(collation, "_locale");
10280
10281         if (kCFCoreFoundationVersionNumber >= 800 && [[CollationLocale_ localeIdentifier] isEqualToString:@"zh@collation=stroke"]) {
10282             CollationThumbs_ = [NSArray arrayWithObjects:@"1",@"•",@"4",@"•",@"7",@"•",@"10",@"•",@"13",@"•",@"16",@"•",@"19",@"A",@"•",@"E",@"•",@"I",@"•",@"M",@"•",@"R",@"•",@"V",@"•",@"Z",@"#",nil];
10283             for (NSInteger offset : (NSInteger[]) {0,1,3,4,6,7,9,10,12,13,15,16,18,25,26,29,30,33,34,37,38,42,43,46,47,50,51})
10284                 CollationOffset_.push_back(offset);
10285             CollationTitles_ = [NSArray arrayWithObjects:@"1 畫",@"2 畫",@"3 畫",@"4 畫",@"5 畫",@"6 畫",@"7 畫",@"8 畫",@"9 畫",@"10 畫",@"11 畫",@"12 畫",@"13 畫",@"14 畫",@"15 畫",@"16 畫",@"17 畫",@"18 畫",@"19 畫",@"20 畫",@"21 畫",@"22 畫",@"23 畫",@"24 畫",@"25 畫以上",@"A",@"B",@"C",@"D",@"E",@"F",@"G",@"H",@"I",@"J",@"K",@"L",@"M",@"N",@"O",@"P",@"Q",@"R",@"S",@"T",@"U",@"V",@"W",@"X",@"Y",@"Z",@"#",nil];
10286             CollationStarts_ = [NSArray arrayWithObjects:@"一",@"丁",@"丈",@"不",@"且",@"丞",@"串",@"並",@"亭",@"乘",@"乾",@"傀",@"亂",@"僎",@"僵",@"儐",@"償",@"叢",@"儳",@"嚴",@"儷",@"儻",@"囌",@"囑",@"廳",@"a",@"b",@"c",@"d",@"e",@"f",@"g",@"h",@"i",@"j",@"k",@"l",@"m",@"n",@"o",@"p",@"q",@"r",@"s",@"t",@"u",@"v",@"w",@"x",@"y",@"z",@"ʒ",nil];
10287         } else {
10288
10289         CollationThumbs_ = [collation sectionIndexTitles];
10290         for (size_t index(0), end([CollationThumbs_ count]); index != end; ++index)
10291             CollationOffset_.push_back([collation sectionForSectionIndexTitleAtIndex:index]);
10292
10293         CollationTitles_ = [collation sectionTitles];
10294         CollationStarts_ = MSHookIvar<NSArray *>(collation, "_sectionStartStrings");
10295
10296         NSString *&transform(MSHookIvar<NSString *>(collation, "_transform"));
10297         if (&transform != NULL && transform != nil) {
10298             /*if ([collation respondsToSelector:@selector(transformedCollationStringForString:)])
10299                 CollationModify_ = [=](NSString *value) { return [collation transformedCollationStringForString:value]; };*/
10300             const UChar *uid(reinterpret_cast<const UChar *>([transform cStringUsingEncoding:NSUnicodeStringEncoding]));
10301             UErrorCode code(U_ZERO_ERROR);
10302             CollationTransl_ = utrans_openU(uid, -1, UTRANS_FORWARD, NULL, 0, NULL, &code);
10303             if (!U_SUCCESS(code))
10304                 NSLog(@"%s", u_errorName(code));
10305         }
10306
10307         }
10308     } @catch (NSException *e) {
10309         NSLog(@"%@", e);
10310         goto hard;
10311     } } else hard: {
10312         CollationLocale_ = [[[NSLocale alloc] initWithLocaleIdentifier:@"en@collation=dictionary"] autorelease];
10313
10314         CollationThumbs_ = [NSArray arrayWithObjects:@"A",@"B",@"C",@"D",@"E",@"F",@"G",@"H",@"I",@"J",@"K",@"L",@"M",@"N",@"O",@"P",@"Q",@"R",@"S",@"T",@"U",@"V",@"W",@"X",@"Y",@"Z",@"#",nil];
10315         for (NSInteger offset(0); offset != 28; ++offset)
10316             CollationOffset_.push_back(offset);
10317
10318         CollationTitles_ = [NSArray arrayWithObjects:@"A",@"B",@"C",@"D",@"E",@"F",@"G",@"H",@"I",@"J",@"K",@"L",@"M",@"N",@"O",@"P",@"Q",@"R",@"S",@"T",@"U",@"V",@"W",@"X",@"Y",@"Z",@"#",nil];
10319         CollationStarts_ = [NSArray arrayWithObjects:@"a",@"b",@"c",@"d",@"e",@"f",@"g",@"h",@"i",@"j",@"k",@"l",@"m",@"n",@"o",@"p",@"q",@"r",@"s",@"t",@"u",@"v",@"w",@"x",@"y",@"z",@"ʒ",nil];
10320     }
10321     /* }}} */
10322
10323     apr_app_initialize(&argc, const_cast<const char * const **>(&argv), NULL);
10324
10325     /* Parse Arguments {{{ */
10326     bool substrate(false);
10327
10328     if (argc != 0) {
10329         char **args(argv);
10330         int arge(1);
10331
10332         for (int argi(1); argi != argc; ++argi)
10333             if (strcmp(argv[argi], "--") == 0) {
10334                 arge = argi;
10335                 argv[argi] = argv[0];
10336                 argv += argi;
10337                 argc -= argi;
10338                 break;
10339             }
10340
10341         for (int argi(1); argi != arge; ++argi)
10342             if (strcmp(args[argi], "--substrate") == 0)
10343                 substrate = true;
10344             else
10345                 fprintf(stderr, "unknown argument: %s\n", args[argi]);
10346     }
10347     /* }}} */
10348
10349     App_ = [[NSBundle mainBundle] bundlePath];
10350     Advanced_ = YES;
10351
10352     Cache_ = [[NSString stringWithFormat:@"%@/Library/Caches/com.saurik.Cydia", @"/var/mobile"] retain];
10353
10354     /*Method alloc = class_getClassMethod([NSObject class], @selector(alloc));
10355     alloc_ = alloc->method_imp;
10356     alloc->method_imp = (IMP) &Alloc_;*/
10357
10358     /*Method dealloc = class_getClassMethod([NSObject class], @selector(dealloc));
10359     dealloc_ = dealloc->method_imp;
10360     dealloc->method_imp = (IMP) &Dealloc_;*/
10361
10362     void *gestalt(dlopen("/usr/lib/libMobileGestalt.dylib", RTLD_GLOBAL | RTLD_LAZY));
10363     $MGCopyAnswer = reinterpret_cast<CFStringRef (*)(CFStringRef)>(dlsym(gestalt, "MGCopyAnswer"));
10364
10365     /* System Information {{{ */
10366     size_t size;
10367
10368     int maxproc;
10369     size = sizeof(maxproc);
10370     if (sysctlbyname("kern.maxproc", &maxproc, &size, NULL, 0) == -1)
10371         perror("sysctlbyname(\"kern.maxproc\", ?)");
10372     else if (maxproc < 64) {
10373         maxproc = 64;
10374         if (sysctlbyname("kern.maxproc", NULL, NULL, &maxproc, sizeof(maxproc)) == -1)
10375             perror("sysctlbyname(\"kern.maxproc\", #)");
10376     }
10377
10378     sysctlbyname("kern.osversion", NULL, &size, NULL, 0);
10379     char *osversion = new char[size];
10380     if (sysctlbyname("kern.osversion", osversion, &size, NULL, 0) == -1)
10381         perror("sysctlbyname(\"kern.osversion\", ?)");
10382     else
10383         System_ = [NSString stringWithUTF8String:osversion];
10384
10385     sysctlbyname("hw.machine", NULL, &size, NULL, 0);
10386     char *machine = new char[size];
10387     if (sysctlbyname("hw.machine", machine, &size, NULL, 0) == -1)
10388         perror("sysctlbyname(\"hw.machine\", ?)");
10389     else
10390         Machine_ = machine;
10391
10392     int64_t usermem(0);
10393     size = sizeof(usermem);
10394     if (sysctlbyname("hw.usermem", &usermem, &size, NULL, 0) == -1)
10395         usermem = 0;
10396
10397     SerialNumber_ = (NSString *) CYIOGetValue("IOService:/", @"IOPlatformSerialNumber");
10398     ChipID_ = [CYHex((NSData *) CYIOGetValue("IODeviceTree:/chosen", @"unique-chip-id"), true) uppercaseString];
10399     BBSNum_ = CYHex((NSData *) CYIOGetValue("IOService:/AppleARMPE/baseband", @"snum"), false);
10400
10401     UniqueID_ = UniqueIdentifier(device);
10402
10403     if (NSDictionary *info = [NSDictionary dictionaryWithContentsOfFile:@"/Applications/MobileSafari.app/Info.plist"]) {
10404         Product_ = [info objectForKey:@"SafariProductVersion"];
10405         Safari_ = [info objectForKey:@"CFBundleVersion"];
10406     }
10407
10408     NSString *agent([NSString stringWithFormat:@"Cydia/%@ CyF/%.2f", Cydia_, kCFCoreFoundationVersionNumber]);
10409
10410     if (Pcre match = Pcre("^[0-9]+(\\.[0-9]+)+", Safari_))
10411         agent = [NSString stringWithFormat:@"Safari/%@ %@", match[0], agent];
10412     if (Pcre match = Pcre("^[0-9]+[A-Z][0-9]+[a-z]?", System_))
10413         agent = [NSString stringWithFormat:@"Mobile/%@ %@", match[0], agent];
10414     if (Pcre match = Pcre("^[0-9]+(\\.[0-9]+)+", Product_))
10415         agent = [NSString stringWithFormat:@"Version/%@ %@", match[0], agent];
10416
10417     UserAgent_ = agent;
10418     /* }}} */
10419     /* Load Database {{{ */
10420     _trace();
10421     Metadata_ = [[[NSMutableDictionary alloc] initWithContentsOfFile:@"/var/lib/cydia/metadata.plist"] autorelease];
10422     _trace();
10423     SectionMap_ = [[[NSDictionary alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Sections" ofType:@"plist"]] autorelease];
10424
10425     if (Metadata_ == NULL)
10426         Metadata_ = [NSMutableDictionary dictionaryWithCapacity:2];
10427     else {
10428         Settings_ = [Metadata_ objectForKey:@"Settings"];
10429
10430         Packages_ = [Metadata_ objectForKey:@"Packages"];
10431
10432         Values_ = [Metadata_ objectForKey:@"Values"];
10433         Sections_ = [Metadata_ objectForKey:@"Sections"];
10434         Sources_ = [Metadata_ objectForKey:@"Sources"];
10435
10436         Token_ = [Metadata_ objectForKey:@"Token"];
10437
10438         Version_ = [Metadata_ objectForKey:@"Version"];
10439     }
10440
10441     if (Values_ == nil) {
10442         Values_ = [[[NSMutableDictionary alloc] initWithCapacity:4] autorelease];
10443         [Metadata_ setObject:Values_ forKey:@"Values"];
10444     }
10445
10446     if (Sections_ == nil) {
10447         Sections_ = [[[NSMutableDictionary alloc] initWithCapacity:32] autorelease];
10448         [Metadata_ setObject:Sections_ forKey:@"Sections"];
10449     }
10450
10451     if (Sources_ == nil) {
10452         Sources_ = [[[NSMutableDictionary alloc] initWithCapacity:0] autorelease];
10453         [Metadata_ setObject:Sources_ forKey:@"Sources"];
10454     }
10455
10456     if (Version_ == nil) {
10457         Version_ = [NSNumber numberWithUnsignedInt:0];
10458         [Metadata_ setObject:Version_ forKey:@"Version"];
10459     }
10460
10461     if ([Version_ unsignedIntValue] == 0) {
10462         CydiaAddSource(@"http://apt.thebigboss.org/repofiles/cydia/", @"stable", [NSMutableArray arrayWithObject:@"main"]);
10463         CydiaAddSource(@"http://apt.modmyi.com/", @"stable", [NSMutableArray arrayWithObject:@"main"]);
10464         CydiaAddSource(@"http://cydia.zodttd.com/repo/cydia/", @"stable", [NSMutableArray arrayWithObject:@"main"]);
10465         CydiaAddSource(@"http://repo666.ultrasn0w.com/", @"./");
10466
10467         Version_ = [NSNumber numberWithUnsignedInt:1];
10468         [Metadata_ setObject:Version_ forKey:@"Version"];
10469
10470         [Metadata_ removeObjectForKey:@"LastUpdate"];
10471
10472         Changed_ = true;
10473     }
10474
10475     _H<NSMutableArray> broken([NSMutableArray array]);
10476     for (NSString *key in (id) Sources_)
10477         if ([key rangeOfCharacterFromSet:[NSCharacterSet characterSetWithCharactersInString:@"# "]].location != NSNotFound)
10478             [broken addObject:key];
10479     if ([broken count] != 0) {
10480         for (NSString *key in (id) broken)
10481             [Sources_ removeObjectForKey:key];
10482         Changed_ = true;
10483     } broken = nil;
10484     /* }}} */
10485
10486     _root(CydiaWriteSources());
10487
10488     _trace();
10489     mkdir("/var/mobile/Library/Cydia", 0755);
10490     MetaFile_.Open("/var/mobile/Library/Cydia/metadata.cb0");
10491     _trace();
10492
10493     if (Packages_ != nil) {
10494         bool fail(false);
10495         CFDictionaryApplyFunction((CFDictionaryRef) Packages_, &PackageImport, &fail);
10496         _trace();
10497
10498         if (!fail) {
10499             [Metadata_ removeObjectForKey:@"Packages"];
10500             Packages_ = nil;
10501             Changed_ = true;
10502         }
10503     }
10504
10505     Finishes_ = [NSArray arrayWithObjects:@"return", @"reopen", @"restart", @"reload", @"reboot", nil];
10506
10507 #define MobileSubstrate_(name) \
10508     if (substrate && access("/Library/MobileSubstrate/DynamicLibraries/" #name ".dylib", F_OK) == 0) { \
10509         void *handle(dlopen("/Library/MobileSubstrate/DynamicLibraries/" #name ".dylib", RTLD_LAZY | RTLD_GLOBAL)); \
10510         if (handle == NULL) \
10511             NSLog(@"%s", dlerror()); \
10512     }
10513
10514     MobileSubstrate_(Activator)
10515     MobileSubstrate_(libstatusbar)
10516     MobileSubstrate_(SimulatedKeyEvents)
10517     MobileSubstrate_(WinterBoard)
10518
10519     /*if (substrate && access("/Library/MobileSubstrate/MobileSubstrate.dylib", F_OK) == 0)
10520         dlopen("/Library/MobileSubstrate/MobileSubstrate.dylib", RTLD_LAZY | RTLD_GLOBAL);*/
10521
10522     if (kCFCoreFoundationVersionNumber > 1000)
10523         _root(system([[NSString stringWithFormat:@"/usr/libexec/cydia/setnsfpn /var/lib"] UTF8String]));
10524
10525     int version([[NSString stringWithContentsOfFile:@"/var/lib/cydia/firmware.ver"] intValue]);
10526
10527     if (access("/User", F_OK) != 0 || version != 6) {
10528         _trace();
10529         _root(system("/usr/libexec/cydia/firmware.sh"));
10530         _trace();
10531     }
10532
10533     if (access("/tmp/cydia.chk", F_OK) == 0) {
10534         if (unlink([Cache("pkgcache.bin") UTF8String]) == -1)
10535             _assert(errno == ENOENT);
10536         if (unlink([Cache("srcpkgcache.bin") UTF8String]) == -1)
10537             _assert(errno == ENOENT);
10538     }
10539
10540     /* APT Initialization {{{ */
10541     _assert(pkgInitConfig(*_config));
10542     _assert(pkgInitSystem(*_config, _system));
10543
10544     if (lang != NULL)
10545         _config->Set("APT::Acquire::Translation", lang);
10546
10547     // XXX: this timeout might be important :(
10548     //_config->Set("Acquire::http::Timeout", 15);
10549
10550     _config->Set("Acquire::http::MaxParallel", usermem >= 384 * 1024 * 1024 ? 16 : 3);
10551
10552     mkdir([Cache_ UTF8String], 0755);
10553     mkdir([Cache("archives") UTF8String], 0755);
10554     mkdir([Cache("archives/partial") UTF8String], 0755);
10555     _config->Set("Dir::Cache", [Cache_ UTF8String]);
10556
10557     mkdir([Cache("lists") UTF8String], 0755);
10558     mkdir([Cache("lists/partial") UTF8String], 0755);
10559     mkdir([Cache("periodic") UTF8String], 0755);
10560     _config->Set("Dir::State::Lists", [Cache("lists") UTF8String]);
10561     /* }}} */
10562     /* Color Choices {{{ */
10563     space_ = CGColorSpaceCreateDeviceRGB();
10564
10565     Blue_.Set(space_, 0.2, 0.2, 1.0, 1.0);
10566     Blueish_.Set(space_, 0x19/255.f, 0x32/255.f, 0x50/255.f, 1.0);
10567     Black_.Set(space_, 0.0, 0.0, 0.0, 1.0);
10568     Folder_.Set(space_, 0x8e/255.f, 0x8e/255.f, 0x93/255.f, 1.0);
10569     Off_.Set(space_, 0.9, 0.9, 0.9, 1.0);
10570     White_.Set(space_, 1.0, 1.0, 1.0, 1.0);
10571     Gray_.Set(space_, 0.4, 0.4, 0.4, 1.0);
10572     Green_.Set(space_, 0.0, 0.5, 0.0, 1.0);
10573     Purple_.Set(space_, 0.0, 0.0, 0.7, 1.0);
10574     Purplish_.Set(space_, 0.4, 0.4, 0.8, 1.0);
10575
10576     InstallingColor_ = [UIColor colorWithRed:0.88f green:1.00f blue:0.88f alpha:1.00f];
10577     RemovingColor_ = [UIColor colorWithRed:1.00f green:0.88f blue:0.88f alpha:1.00f];
10578     /* }}}*/
10579     /* UIKit Configuration {{{ */
10580     // XXX: I have a feeling this was important
10581     //UIKeyboardDisableAutomaticAppearance();
10582     /* }}} */
10583
10584     _root({
10585         chown([Cache("ApplicationCache.db") UTF8String], 501, 501);
10586         chown([Cache("Cache.db") UTF8String], 501, 501);
10587         chown([Cache("Cache.db-shm") UTF8String], 501, 501);
10588         chown([Cache("Cache.db-wal") UTF8String], 501, 501);
10589     });
10590
10591     $SBSSetInterceptsMenuButtonForever = reinterpret_cast<void (*)(bool)>(dlsym(RTLD_DEFAULT, "SBSSetInterceptsMenuButtonForever"));
10592
10593     const char *symbol(kCFCoreFoundationVersionNumber >= 800 ? "MGGetBoolAnswer" : "GSSystemHasCapability");
10594     BOOL (*GSSystemHasCapability)(CFStringRef) = reinterpret_cast<BOOL (*)(CFStringRef)>(dlsym(RTLD_DEFAULT, symbol));
10595     bool fast = GSSystemHasCapability != NULL && GSSystemHasCapability(CFSTR("armv7"));
10596
10597     PulseInterval_ = fast ? 50000 : 500000;
10598
10599     Colon_ = UCLocalize("COLON_DELIMITED");
10600     Elision_ = UCLocalize("ELISION");
10601     Error_ = UCLocalize("ERROR");
10602     Warning_ = UCLocalize("WARNING");
10603
10604     _trace();
10605     int value(UIApplicationMain(argc, argv, @"Cydia", @"Cydia"));
10606
10607     CGColorSpaceRelease(space_);
10608     CFRelease(Locale_);
10609
10610     [pool release];
10611     return value;
10612 }