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