MobileCydia.mm

   1 /* Cydia - iPhone UIKit Front-End for Debian APT
   2  * Copyright (C) 2008-2011  Jay Freeman (saurik)
   3 */
   4
   5 /* Modified BSD License {{{ */
   6 /*
   7  *        Redistribution and use in source and binary
   8  * forms, with or without modification, are permitted
   9  * provided that the following conditions are met:
  10  *
  11  * 1. Redistributions of source code must retain the
  12  *    above copyright notice, this list of conditions
  13  *    and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the
  15  *    above copyright notice, this list of conditions
  16  *    and the following disclaimer in the documentation
  17  *    and/or other materials provided with the
  18  *    distribution.
  19  * 3. The name of the author may not be used to endorse
  20  *    or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
  24  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
  25  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  26  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
  28  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  29  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  30  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  31  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  33  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  34  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  35  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  36  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37 */
  38 /* }}} */
  39
  40 // XXX: wtf/FastMalloc.h... wtf?
  41 #define USE_SYSTEM_MALLOC 1
  42
  43 /* #include Directives {{{ */
  44 #include "CyteKit/UCPlatform.h"
  45 #include "CyteKit/Localize.h"
  46
  47 #include <objc/objc.h>
  48 #include <objc/runtime.h>
  49
  50 #include <CoreGraphics/CoreGraphics.h>
  51 #include <Foundation/Foundation.h>
  52
  53 #if 0
  54 #define DEPLOYMENT_TARGET_MACOSX 1
  55 #define CF_BUILDING_CF 1
  56 #include <CoreFoundation/CFInternal.h>
  57 #endif
  58
  59 #include <CoreFoundation/CFPriv.h>
  60 #include <CoreFoundation/CFUniChar.h>
  61
  62 #include <SystemConfiguration/SystemConfiguration.h>
  63
  64 #include <UIKit/UIKit.h>
  65 #include "iPhonePrivate.h"
  66
  67 #include <IOKit/IOKitLib.h>
  68
  69 #include <QuartzCore/CALayer.h>
  70
  71 #include <WebCore/WebCoreThread.h>
  72
  73 #include <algorithm>
  74 #include <iomanip>
  75 #include <sstream>
  76 #include <string>
  77
  78 #include <ext/stdio_filebuf.h>
  79
  80 #undef ABS
  81
  82 #include <apt-pkg/acquire.h>
  83 #include <apt-pkg/acquire-item.h>
  84 #include <apt-pkg/algorithms.h>
  85 #include <apt-pkg/cachefile.h>
  86 #include <apt-pkg/clean.h>
  87 #include <apt-pkg/configuration.h>
  88 #include <apt-pkg/debindexfile.h>
  89 #include <apt-pkg/debmetaindex.h>
  90 #include <apt-pkg/error.h>
  91 #include <apt-pkg/init.h>
  92 #include <apt-pkg/mmap.h>
  93 #include <apt-pkg/pkgrecords.h>
  94 #include <apt-pkg/sha1.h>
  95 #include <apt-pkg/sourcelist.h>
  96 #include <apt-pkg/sptr.h>
  97 #include <apt-pkg/strutl.h>
  98 #include <apt-pkg/tagfile.h>
  99
 100 #include <apr-1/apr_pools.h>
 101
 102 #include <sys/types.h>
 103 #include <sys/stat.h>
 104 #include <sys/sysctl.h>
 105 #include <sys/param.h>
 106 #include <sys/mount.h>
 107 #include <sys/reboot.h>
 108
 109 #include <fcntl.h>
 110 #include <notify.h>
 111 #include <dlfcn.h>
 112
 113 extern "C" {
 114 #include <mach-o/nlist.h>
 115 }
 116
 117 #include <cstdio>
 118 #include <cstdlib>
 119 #include <cstring>
 120
 121 #include <errno.h>
 122
 123 #include <Cytore.hpp>
 124
 125 #include <CydiaSubstrate/CydiaSubstrate.h>
 126 #include "Menes/Menes.h"
 127
 128 #include "CyteKit/PerlCompatibleRegEx.hpp"
 129 #include "CyteKit/TableViewCell.h"
 130 #include "CyteKit/WebScriptObject-Cyte.h"
 131 #include "CyteKit/WebViewController.h"
 132 #include "CyteKit/stringWithUTF8Bytes.h"
 133
 134 #include "Cydia/MIMEAddress.h"
 135 #include "Cydia/LoadingViewController.h"
 136 #include "Cydia/ProgressEvent.h"
 137
 138 #include "SDURLCache/SDURLCache.h"
 139 /* }}} */
 140
 141 /* Profiler {{{ */
 142 struct timeval _ltv;
 143 bool _itv;
 144
 145 #define _timestamp ({ \
 146     struct timeval tv; \
 147     gettimeofday(&tv, NULL); \
 148     tv.tv_sec * 1000000 + tv.tv_usec; \
 149 })
 150
 151 typedef std::vector<class ProfileTime *> TimeList;
 152 TimeList times_;
 153
 154 class ProfileTime {
 155   private:
 156     const char *name_;
 157     uint64_t total_;
 158     uint64_t count_;
 159
 160   public:
 161     ProfileTime(const char *name) :
 162         name_(name),
 163         total_(0)
 164     {
 165         times_.push_back(this);
 166     }
 167
 168     void AddTime(uint64_t time) {
 169         total_ += time;
 170         ++count_;
 171     }
 172
 173     void Print() {
 174         if (total_ != 0)
 175             std::cerr << std::setw(5) << count_ << ", " << std::setw(7) << total_ << " : " << name_ << std::endl;
 176         total_ = 0;
 177         count_ = 0;
 178     }
 179 };
 180
 181 class ProfileTimer {
 182   private:
 183     ProfileTime &time_;
 184     uint64_t start_;
 185
 186   public:
 187     ProfileTimer(ProfileTime &time) :
 188         time_(time),
 189         start_(_timestamp)
 190     {
 191     }
 192
 193     ~ProfileTimer() {
 194         time_.AddTime(_timestamp - start_);
 195     }
 196 };
 197
 198 void PrintTimes() {
 199     for (TimeList::const_iterator i(times_.begin()); i != times_.end(); ++i)
 200         (*i)->Print();
 201     std::cerr << "========" << std::endl;
 202 }
 203
 204 #define _profile(name) { \
 205     static ProfileTime name(#name); \
 206     ProfileTimer _ ## name(name);
 207
 208 #define _end }
 209 /* }}} */
 210
 211 extern NSString *Cydia_;
 212
 213 #define lprintf(args...) fprintf(stderr, args)
 214
 215 #define ForRelease 1
 216 #define TraceLogging (1 && !ForRelease)
 217 #define HistogramInsertionSort (!ForRelease ? 0 : 0)
 218 #define ProfileTimes (0 && !ForRelease)
 219 #define ForSaurik (0 && !ForRelease)
 220 #define LogBrowser (0 && !ForRelease)
 221 #define TrackResize (0 && !ForRelease)
 222 #define ManualRefresh (1 && !ForRelease)
 223 #define ShowInternals (0 && !ForRelease)
 224 #define AlwaysReload (0 && !ForRelease)
 225 #define TryIndexedCollation (0 && !ForRelease)
 226
 227 #if !TraceLogging
 228 #undef _trace
 229 #define _trace(args...)
 230 #endif
 231
 232 #if !ProfileTimes
 233 #undef _profile
 234 #define _profile(name) {
 235 #undef _end
 236 #define _end }
 237 #define PrintTimes() do {} while (false)
 238 #endif
 239
 240 // Hash Functions/Structures {{{
 241 extern "C" uint32_t hashlittle(const void *key, size_t length, uint32_t initval = 0);
 242
 243 union SplitHash {
 244     uint32_t u32;
 245     uint16_t u16[2];
 246 };
 247 // }}}
 248
 249 static NSString *Colon_;
 250 NSString *Elision_;
 251 static NSString *Error_;
 252 static NSString *Warning_;
 253
 254 static const NSUInteger UIViewAutoresizingFlexibleBoth(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight);
 255
 256 static _finline NSString *CydiaURL(NSString *path) {
 257     char page[26];
 258     page[0] = 'h'; page[1] = 't'; page[2] = 't'; page[3] = 'p'; page[4] = 's';
 259     page[5] = ':'; page[6] = '/'; page[7] = '/'; page[8] = 'c'; page[9] = 'y';
 260     page[10] = 'd'; page[11] = 'i'; page[12] = 'a'; page[13] = '.'; page[14] = 's';
 261     page[15] = 'a'; page[16] = 'u'; page[17] = 'r'; page[18] = 'i'; page[19] = 'k';
 262     page[20] = '.'; page[21] = 'c'; page[22] = 'o'; page[23] = 'm'; page[24] = '/';
 263     page[25] = '\0';
 264     return [[NSString stringWithUTF8String:page] stringByAppendingString:path];
 265 }
 266
 267 static _finline void UpdateExternalStatus(uint64_t newStatus) {
 268     int notify_token;
 269     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
 270         notify_set_state(notify_token, newStatus);
 271         notify_cancel(notify_token);
 272     }
 273     notify_post("com.saurik.Cydia.status");
 274 }
 275
 276 static CGFloat CYStatusBarHeight() {
 277     CGSize size([[UIApplication sharedApplication] statusBarFrame].size);
 278     return UIInterfaceOrientationIsPortrait([[UIApplication sharedApplication] statusBarOrientation]) ? size.height : size.width;
 279 }
 280
 281 /* NSForcedOrderingSearch doesn't work on the iPhone */
 282 static const NSStringCompareOptions MatchCompareOptions_ = NSLiteralSearch | NSCaseInsensitiveSearch;
 283 static const NSStringCompareOptions LaxCompareOptions_ = NSNumericSearch | NSDiacriticInsensitiveSearch | NSWidthInsensitiveSearch | NSCaseInsensitiveSearch;
 284 static const CFStringCompareFlags LaxCompareFlags_ = kCFCompareCaseInsensitive | kCFCompareNonliteral | kCFCompareLocalized | kCFCompareNumerically | kCFCompareWidthInsensitive | kCFCompareForcedOrdering;
 285
 286 /* Insertion Sort {{{ */
 287
 288 CFIndex SKBSearch_(const void *element, CFIndex elementSize, const void *list, CFIndex count, CFComparatorFunction comparator, void *context) {
 289     const char *ptr = (const char *)list;
 290     while (0 < count) {
 291         CFIndex half = count / 2;
 292         const char *probe = ptr + elementSize * half;
 293         CFComparisonResult cr = comparator(element, probe, context);
 294     if (0 == cr) return (probe - (const char *)list) / elementSize;
 295         ptr = (cr < 0) ? ptr : probe + elementSize;
 296         count = (cr < 0) ? half : (half + (count & 1) - 1);
 297     }
 298     return (ptr - (const char *)list) / elementSize;
 299 }
 300
 301 CFIndex CFBSearch_(const void *element, CFIndex elementSize, const void *list, CFIndex count, CFComparatorFunction comparator, void *context) {
 302     const char *ptr = (const char *)list;
 303     while (0 < count) {
 304         CFIndex half = count / 2;
 305         const char *probe = ptr + elementSize * half;
 306         CFComparisonResult cr = comparator(element, probe, context);
 307     if (0 == cr) return (probe - (const char *)list) / elementSize;
 308         ptr = (cr < 0) ? ptr : probe + elementSize;
 309         count = (cr < 0) ? half : (half + (count & 1) - 1);
 310     }
 311     return (ptr - (const char *)list) / elementSize;
 312 }
 313
 314 void CFArrayInsertionSortValues(CFMutableArrayRef array, CFRange range, CFComparatorFunction comparator, void *context) {
 315     if (range.length == 0)
 316         return;
 317     const void **values(new const void *[range.length]);
 318     CFArrayGetValues(array, range, values);
 319
 320 #if HistogramInsertionSort > 0
 321     uint32_t total(0), *offsets(new uint32_t[range.length]);
 322 #endif
 323
 324     for (CFIndex index(1); index != range.length; ++index) {
 325         const void *value(values[index]);
 326         //CFIndex correct(SKBSearch_(&value, sizeof(const void *), values, index, comparator, context));
 327         CFIndex correct(index);
 328         while (comparator(value, values[correct - 1], context) == kCFCompareLessThan) {
 329 #if HistogramInsertionSort > 1
 330             NSLog(@"%@ < %@", value, values[correct - 1]);
 331 #endif
 332             if (--correct == 0)
 333                 break;
 334         }
 335         if (correct != index) {
 336             size_t offset(index - correct);
 337 #if HistogramInsertionSort
 338             total += offset;
 339             ++offsets[offset];
 340             if (offset > 10)
 341                 NSLog(@"Heavy Insertion Displacement: %u = %@", offset, value);
 342 #endif
 343             memmove(values + correct + 1, values + correct, sizeof(const void *) * offset);
 344             values[correct] = value;
 345         }
 346     }
 347
 348     CFArrayReplaceValues(array, range, values, range.length);
 349     delete [] values;
 350
 351 #if HistogramInsertionSort > 0
 352     for (CFIndex index(0); index != range.length; ++index)
 353         if (offsets[index] != 0)
 354             NSLog(@"Insertion Displacement [%u]: %u", index, offsets[index]);
 355     NSLog(@"Average Insertion Displacement: %f", double(total) / range.length);
 356     delete [] offsets;
 357 #endif
 358 }
 359
 360 /* }}} */
 361
 362 /* Apple Bug Fixes {{{ */
 363 @implementation UIWebDocumentView (Cydia)
 364
 365 - (void) _setScrollerOffset:(CGPoint)offset {
 366     UIScroller *scroller([self _scroller]);
 367
 368     CGSize size([scroller contentSize]);
 369     CGSize bounds([scroller bounds].size);
 370
 371     CGPoint max;
 372     max.x = size.width - bounds.width;
 373     max.y = size.height - bounds.height;
 374
 375     // wtf Apple?!
 376     if (max.x < 0)
 377         max.x = 0;
 378     if (max.y < 0)
 379         max.y = 0;
 380
 381     offset.x = offset.x < 0 ? 0 : offset.x > max.x ? max.x : offset.x;
 382     offset.y = offset.y < 0 ? 0 : offset.y > max.y ? max.y : offset.y;
 383
 384     [scroller setOffset:offset];
 385 }
 386
 387 @end
 388 /* }}} */
 389
 390 NSUInteger DOMNodeList$countByEnumeratingWithState$objects$count$(DOMNodeList *self, SEL sel, NSFastEnumerationState *state, id *objects, NSUInteger count) {
 391     size_t length([self length] - state->state);
 392     if (length <= 0)
 393         return 0;
 394     else if (length > count)
 395         length = count;
 396     for (size_t i(0); i != length; ++i)
 397         objects[i] = [self item:state->state++];
 398     state->itemsPtr = objects;
 399     state->mutationsPtr = (unsigned long *) self;
 400     return length;
 401 }
 402
 403 /* Cydia NSString Additions {{{ */
 404 @interface NSString (Cydia)
 405 - (NSComparisonResult) compareByPath:(NSString *)other;
 406 - (NSString *) stringByCachingURLWithCurrentCDN;
 407 - (NSString *) stringByAddingPercentEscapesIncludingReserved;
 408 @end
 409
 410 @implementation NSString (Cydia)
 411
 412 - (NSComparisonResult) compareByPath:(NSString *)other {
 413     NSString *prefix = [self commonPrefixWithString:other options:0];
 414     size_t length = [prefix length];
 415
 416     NSRange lrange = NSMakeRange(length, [self length] - length);
 417     NSRange rrange = NSMakeRange(length, [other length] - length);
 418
 419     lrange = [self rangeOfString:@"/" options:0 range:lrange];
 420     rrange = [other rangeOfString:@"/" options:0 range:rrange];
 421
 422     NSComparisonResult value;
 423
 424     if (lrange.location == NSNotFound && rrange.location == NSNotFound)
 425         value = NSOrderedSame;
 426     else if (lrange.location == NSNotFound)
 427         value = NSOrderedAscending;
 428     else if (rrange.location == NSNotFound)
 429         value = NSOrderedDescending;
 430     else
 431         value = NSOrderedSame;
 432
 433     NSString *lpath = lrange.location == NSNotFound ? [self substringFromIndex:length] :
 434         [self substringWithRange:NSMakeRange(length, lrange.location - length)];
 435     NSString *rpath = rrange.location == NSNotFound ? [other substringFromIndex:length] :
 436         [other substringWithRange:NSMakeRange(length, rrange.location - length)];
 437
 438     NSComparisonResult result = [lpath compare:rpath];
 439     return result == NSOrderedSame ? value : result;
 440 }
 441
 442 - (NSString *) stringByCachingURLWithCurrentCDN {
 443     return [self
 444         stringByReplacingOccurrencesOfString:@"://cydia.saurik.com/"
 445         withString:@"://cache.cydia.saurik.com/"
 446     ];
 447 }
 448
 449 - (NSString *) stringByAddingPercentEscapesIncludingReserved {
 450     return [(id)CFURLCreateStringByAddingPercentEscapes(
 451         kCFAllocatorDefault,
 452         (CFStringRef) self,
 453         NULL,
 454         CFSTR(";/?:@&=+$,"),
 455         kCFStringEncodingUTF8
 456     ) autorelease];
 457 }
 458
 459 @end
 460 /* }}} */
 461
 462 /* C++ NSString Wrapper Cache {{{ */
 463 static _finline CFStringRef CYStringCreate(const char *data, size_t size) {
 464     return size == 0 ? NULL :
 465         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingUTF8, NO, kCFAllocatorNull) ?:
 466         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingISOLatin1, NO, kCFAllocatorNull);
 467 }
 468
 469 static _finline CFStringRef CYStringCreate(const char *data) {
 470     return CYStringCreate(data, strlen(data));
 471 }
 472
 473 class CYString {
 474   private:
 475     char *data_;
 476     size_t size_;
 477     CFStringRef cache_;
 478
 479     _finline void clear_() {
 480         if (cache_ != NULL) {
 481             CFRelease(cache_);
 482             cache_ = NULL;
 483         }
 484     }
 485
 486   public:
 487     _finline bool empty() const {
 488         return size_ == 0;
 489     }
 490
 491     _finline size_t size() const {
 492         return size_;
 493     }
 494
 495     _finline char *data() const {
 496         return data_;
 497     }
 498
 499     _finline void clear() {
 500         size_ = 0;
 501         clear_();
 502     }
 503
 504     _finline CYString() :
 505         data_(0),
 506         size_(0),
 507         cache_(NULL)
 508     {
 509     }
 510
 511     _finline ~CYString() {
 512         clear_();
 513     }
 514
 515     void operator =(const CYString &rhs) {
 516         data_ = rhs.data_;
 517         size_ = rhs.size_;
 518
 519         if (rhs.cache_ == nil)
 520             cache_ = NULL;
 521         else
 522             cache_ = reinterpret_cast<CFStringRef>(CFRetain(rhs.cache_));
 523     }
 524
 525     void copy(apr_pool_t *pool) {
 526         char *temp(reinterpret_cast<char *>(apr_palloc(pool, size_ + 1)));
 527         memcpy(temp, data_, size_);
 528         temp[size_] = '\0';
 529         data_ = temp;
 530     }
 531
 532     void set(apr_pool_t *pool, const char *data, size_t size) {
 533         if (size == 0)
 534             clear();
 535         else {
 536             clear_();
 537
 538             data_ = const_cast<char *>(data);
 539             size_ = size;
 540
 541             if (pool != NULL)
 542                 copy(pool);
 543         }
 544     }
 545
 546     _finline void set(apr_pool_t *pool, const char *data) {
 547         set(pool, data, data == NULL ? 0 : strlen(data));
 548     }
 549
 550     _finline void set(apr_pool_t *pool, const std::string &rhs) {
 551         set(pool, rhs.data(), rhs.size());
 552     }
 553
 554     bool operator ==(const CYString &rhs) const {
 555         return size_ == rhs.size_ && memcmp(data_, rhs.data_, size_) == 0;
 556     }
 557
 558     _finline operator CFStringRef() {
 559         if (cache_ == NULL)
 560             cache_ = CYStringCreate(data_, size_);
 561         return cache_;
 562     }
 563
 564     _finline operator id() {
 565         return (NSString *) static_cast<CFStringRef>(*this);
 566     }
 567
 568     _finline operator const char *() {
 569         return reinterpret_cast<const char *>(data_);
 570     }
 571 };
 572 /* }}} */
 573 /* C++ NSString Algorithm Adapters {{{ */
 574 extern "C" {
 575     CF_EXPORT CFHashCode CFStringHashNSString(CFStringRef str);
 576 }
 577
 578 struct NSStringMapHash :
 579     std::unary_function<NSString *, size_t>
 580 {
 581     _finline size_t operator ()(NSString *value) const {
 582         return CFStringHashNSString((CFStringRef) value);
 583     }
 584 };
 585
 586 struct NSStringMapLess :
 587     std::binary_function<NSString *, NSString *, bool>
 588 {
 589     _finline bool operator ()(NSString *lhs, NSString *rhs) const {
 590         return [lhs compare:rhs] == NSOrderedAscending;
 591     }
 592 };
 593
 594 struct NSStringMapEqual :
 595     std::binary_function<NSString *, NSString *, bool>
 596 {
 597     _finline bool operator ()(NSString *lhs, NSString *rhs) const {
 598         return CFStringCompare((CFStringRef) lhs, (CFStringRef) rhs, 0) == kCFCompareEqualTo;
 599         //CFEqual((CFTypeRef) lhs, (CFTypeRef) rhs);
 600         //[lhs isEqualToString:rhs];
 601     }
 602 };
 603 /* }}} */
 604
 605 /* CoreGraphics Primitives {{{ */
 606 class CYColor {
 607   private:
 608     CGColorRef color_;
 609
 610     static CGColorRef Create_(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
 611         CGFloat color[] = {red, green, blue, alpha};
 612         return CGColorCreate(space, color);
 613     }
 614
 615   public:
 616     CYColor() :
 617         color_(NULL)
 618     {
 619     }
 620
 621     CYColor(CGColorSpaceRef space, float red, float green, float blue, float alpha) :
 622         color_(Create_(space, red, green, blue, alpha))
 623     {
 624         Set(space, red, green, blue, alpha);
 625     }
 626
 627     void Clear() {
 628         if (color_ != NULL)
 629             CGColorRelease(color_);
 630     }
 631
 632     ~CYColor() {
 633         Clear();
 634     }
 635
 636     void Set(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
 637         Clear();
 638         color_ = Create_(space, red, green, blue, alpha);
 639     }
 640
 641     operator CGColorRef() {
 642         return color_;
 643     }
 644 };
 645 /* }}} */
 646
 647 /* Random Global Variables {{{ */
 648 static const int PulseInterval_ = 50000;
 649
 650 static const NSString *UI_;
 651
 652 static int Finish_;
 653 static bool RestartSubstrate_;
 654 static NSArray *Finishes_;
 655
 656 #define SpringBoard_ "/System/Library/LaunchDaemons/com.apple.SpringBoard.plist"
 657 #define NotifyConfig_ "/etc/notify.conf"
 658
 659 static bool Queuing_;
 660
 661 static CYColor Blue_;
 662 static CYColor Blueish_;
 663 static CYColor Black_;
 664 static CYColor Off_;
 665 static CYColor White_;
 666 static CYColor Gray_;
 667 static CYColor Green_;
 668 static CYColor Purple_;
 669 static CYColor Purplish_;
 670
 671 static UIColor *InstallingColor_;
 672 static UIColor *RemovingColor_;
 673
 674 static NSString *App_;
 675
 676 static BOOL Advanced_;
 677 static BOOL Ignored_;
 678
 679 static _H<UIFont> Font12_;
 680 static _H<UIFont> Font12Bold_;
 681 static _H<UIFont> Font14_;
 682 static _H<UIFont> Font18Bold_;
 683 static _H<UIFont> Font22Bold_;
 684
 685 static const char *Machine_ = NULL;
 686 static NSString *System_ = nil;
 687 static NSString *SerialNumber_ = nil;
 688 static NSString *ChipID_ = nil;
 689 static NSString *BBSNum_ = nil;
 690 static _H<NSString> Token_;
 691 static NSString *UniqueID_ = nil;
 692 static NSString *PLMN_ = nil;
 693 static NSString *Build_ = nil;
 694 static NSString *Product_ = nil;
 695 static NSString *Safari_ = nil;
 696
 697 static CFLocaleRef Locale_;
 698 static NSArray *Languages_;
 699 static CGColorSpaceRef space_;
 700
 701 static NSDictionary *SectionMap_;
 702 static NSMutableDictionary *Metadata_;
 703 static _transient NSMutableDictionary *Settings_;
 704 static _transient NSString *Role_;
 705 static _transient NSMutableDictionary *Packages_;
 706 static _transient NSMutableDictionary *Values_;
 707 static _transient NSMutableDictionary *Sections_;
 708 static _transient NSMutableDictionary *Sources_;
 709 static _transient NSNumber *Version_;
 710 static _transient _H<NSString> CydiaSource_;
 711 static bool Changed_;
 712 static time_t now_;
 713
 714 bool IsWildcat_;
 715 static CGFloat ScreenScale_;
 716 static NSString *Idiom_;
 717 static NSString *Firmware_;
 718 static NSString *Major_;
 719
 720 static _H<NSMutableDictionary> SessionData_;
 721 static _H<NSObject> HostConfig_;
 722 static _H<NSMutableSet> BridgedHosts_;
 723 static _H<NSMutableSet> TokenHosts_;
 724 static _H<NSMutableSet> InsecureHosts_;
 725 static _H<NSMutableSet> PipelinedHosts_;
 726 static _H<NSMutableSet> CachedURLs_;
 727
 728 static NSString *kCydiaProgressEventTypeError = @"Error";
 729 static NSString *kCydiaProgressEventTypeInformation = @"Information";
 730 static NSString *kCydiaProgressEventTypeStatus = @"Status";
 731 static NSString *kCydiaProgressEventTypeWarning = @"Warning";
 732 /* }}} */
 733
 734 static void AddSource(NSDictionary *source) {
 735     [Sources_ setObject:source forKey:[NSString stringWithFormat:@"%@:%@:%@", [source objectForKey:@"Type"], [source objectForKey:@"URI"], [source objectForKey:@"Distribution"]]];
 736     Changed_ = true;
 737 }
 738
 739 static void AddSource(NSString *href, NSString *distribution, NSArray *sections = nil) {
 740     AddSource([NSMutableDictionary dictionaryWithObjectsAndKeys:
 741         @"deb", @"Type",
 742         href, @"URI",
 743         distribution, @"Distribution",
 744         sections ?: [NSMutableArray array], @"Sections",
 745     nil]);
 746 }
 747
 748 static void WriteSources() {
 749     FILE *file(fopen("/etc/apt/sources.list.d/cydia.list", "w"));
 750     _assert(file != NULL);
 751
 752     NSString *distribution(@"ios");
 753     if (Firmware_ != nil)
 754         distribution = [distribution stringByAppendingString:[NSString stringWithFormat:@"-%@", Firmware_]];
 755
 756     fprintf(file, "deb http://%s/ %s main\n",
 757         [CydiaSource_ UTF8String],
 758         [distribution UTF8String]
 759     );
 760
 761     for (NSString *key in [Sources_ allKeys]) {
 762         NSDictionary *source([Sources_ objectForKey:key]);
 763
 764         NSArray *sections([source objectForKey:@"Sections"] ?: [NSArray array]);
 765
 766         fprintf(file, "%s %s %s%s%s\n",
 767             [[source objectForKey:@"Type"] UTF8String],
 768             [[source objectForKey:@"URI"] UTF8String],
 769             [[source objectForKey:@"Distribution"] UTF8String],
 770             [sections count] == 0 ? "" : " ",
 771             [[sections componentsJoinedByString:@" "] UTF8String]
 772         );
 773     }
 774
 775     fclose(file);
 776 }
 777
 778 /* Display Helpers {{{ */
 779 inline float Interpolate(float begin, float end, float fraction) {
 780     return (end - begin) * fraction + begin;
 781 }
 782
 783 static _finline const char *StripVersion_(const char *version) {
 784     const char *colon(strchr(version, ':'));
 785     return colon == NULL ? version : colon + 1;
 786 }
 787
 788 NSString *LocalizeSection(NSString *section) {
 789     static Pcre title_r("^(.*?) \\((.*)\\)$");
 790     if (title_r(section)) {
 791         NSString *parent(title_r[1]);
 792         NSString *child(title_r[2]);
 793
 794         return [NSString stringWithFormat:UCLocalize("PARENTHETICAL"),
 795             LocalizeSection(parent),
 796             LocalizeSection(child)
 797         ];
 798     }
 799
 800     return [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
 801 }
 802
 803 NSString *Simplify(NSString *title) {
 804     const char *data = [title UTF8String];
 805     size_t size = [title length];
 806
 807     static Pcre square_r("^\\[(.*)\\]$");
 808     if (square_r(data, size))
 809         return Simplify(square_r[1]);
 810
 811     static Pcre paren_r("^\\((.*)\\)$");
 812     if (paren_r(data, size))
 813         return Simplify(paren_r[1]);
 814
 815     static Pcre title_r("^(.*?) \\((.*)\\)$");
 816     if (title_r(data, size))
 817         return Simplify(title_r[1]);
 818
 819     return title;
 820 }
 821 /* }}} */
 822
 823 NSString *GetLastUpdate() {
 824     NSDate *update = [Metadata_ objectForKey:@"LastUpdate"];
 825
 826     if (update == nil)
 827         return UCLocalize("NEVER_OR_UNKNOWN");
 828
 829     CFDateFormatterRef formatter = CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle);
 830     CFStringRef formatted = CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) update);
 831
 832     CFRelease(formatter);
 833
 834     return [(NSString *) formatted autorelease];
 835 }
 836
 837 bool isSectionVisible(NSString *section) {
 838     NSDictionary *metadata([Sections_ objectForKey:(section ?: @"")]);
 839     NSNumber *hidden(metadata == nil ? nil : [metadata objectForKey:@"Hidden"]);
 840     return hidden == nil || ![hidden boolValue];
 841 }
 842
 843 static NSObject *CYIOGetValue(const char *path, NSString *property) {
 844     io_registry_entry_t entry(IORegistryEntryFromPath(kIOMasterPortDefault, path));
 845     if (entry == MACH_PORT_NULL)
 846         return nil;
 847
 848     CFTypeRef value(IORegistryEntryCreateCFProperty(entry, (CFStringRef) property, kCFAllocatorDefault, 0));
 849     IOObjectRelease(entry);
 850
 851     if (value == NULL)
 852         return nil;
 853     return [(id) value autorelease];
 854 }
 855
 856 static NSString *CYHex(NSData *data, bool reverse = false) {
 857     if (data == nil)
 858         return nil;
 859
 860     size_t length([data length]);
 861     uint8_t bytes[length];
 862     [data getBytes:bytes];
 863
 864     char string[length * 2 + 1];
 865     for (size_t i(0); i != length; ++i)
 866         sprintf(string + i * 2, "%.2x", bytes[reverse ? length - i - 1 : i]);
 867
 868     return [NSString stringWithUTF8String:string];
 869 }
 870
 871 @class Cydia;
 872
 873 /* Delegate Prototypes {{{ */
 874 @class Package;
 875 @class Source;
 876 @class CydiaProgressEvent;
 877
 878 @protocol DatabaseDelegate
 879 - (void) repairWithSelector:(SEL)selector;
 880 - (void) setConfigurationData:(NSString *)data;
 881 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task;
 882 @end
 883
 884 @class CYPackageController;
 885
 886 @protocol CydiaDelegate
 887 - (void) returnToCydia;
 888 - (void) saveState;
 889 - (void) retainNetworkActivityIndicator;
 890 - (void) releaseNetworkActivityIndicator;
 891 - (void) clearPackage:(Package *)package;
 892 - (void) installPackage:(Package *)package;
 893 - (void) installPackages:(NSArray *)packages;
 894 - (void) removePackage:(Package *)package;
 895 - (void) beginUpdate;
 896 - (BOOL) updating;
 897 - (void) distUpgrade;
 898 - (void) loadData;
 899 - (void) updateData;
 900 - (void) syncData;
 901 - (void) addSource:(NSDictionary *)source;
 902 - (void) addTrivialSource:(NSString *)href;
 903 - (void) showSettings;
 904 - (UIProgressHUD *) addProgressHUD;
 905 - (void) removeProgressHUD:(UIProgressHUD *)hud;
 906 - (CyteViewController *) pageForPackage:(NSString *)name;
 907 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item;
 908 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
 909 @end
 910 /* }}} */
 911
 912 /* Status Delegation {{{ */
 913 class Status :
 914     public pkgAcquireStatus
 915 {
 916   private:
 917     _transient NSObject<ProgressDelegate> *delegate_;
 918     bool cancelled_;
 919
 920   public:
 921     Status() :
 922         delegate_(nil),
 923         cancelled_(false)
 924     {
 925     }
 926
 927     void setDelegate(NSObject<ProgressDelegate> *delegate) {
 928         delegate_ = delegate;
 929     }
 930
 931     NSObject<ProgressDelegate> *getDelegate() const {
 932         return delegate_;
 933     }
 934
 935     virtual bool MediaChange(std::string media, std::string drive) {
 936         return false;
 937     }
 938
 939     virtual void IMSHit(pkgAcquire::ItemDesc &item) {
 940         Done(item);
 941     }
 942
 943     virtual void Fetch(pkgAcquire::ItemDesc &item) {
 944         NSString *name([NSString stringWithUTF8String:item.ShortDesc.c_str()]);
 945         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithFormat:UCLocalize("DOWNLOADING_"), name] ofType:kCydiaProgressEventTypeStatus forItem:item]);
 946         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
 947     }
 948
 949     virtual void Done(pkgAcquire::ItemDesc &item) {
 950         NSString *name([NSString stringWithUTF8String:item.ShortDesc.c_str()]);
 951         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithFormat:Colon_, UCLocalize("DONE"), name] ofType:kCydiaProgressEventTypeStatus forItem:item]);
 952         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
 953     }
 954
 955     virtual void Fail(pkgAcquire::ItemDesc &item) {
 956         if (
 957             item.Owner->Status == pkgAcquire::Item::StatIdle ||
 958             item.Owner->Status == pkgAcquire::Item::StatDone
 959         )
 960             return;
 961
 962         std::string &error(item.Owner->ErrorText);
 963         if (error.empty())
 964             return;
 965
 966         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:kCydiaProgressEventTypeError forItem:item]);
 967         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
 968     }
 969
 970     virtual bool Pulse(pkgAcquire *Owner) {
 971         bool value = pkgAcquireStatus::Pulse(Owner);
 972
 973         double percent(
 974             double(CurrentBytes + CurrentItems) /
 975             double(TotalBytes + TotalItems)
 976         );
 977
 978         [delegate_ performSelectorOnMainThread:@selector(setProgressStatus:) withObject:[NSDictionary dictionaryWithObjectsAndKeys:
 979             [NSNumber numberWithDouble:percent], @"Percent",
 980
 981             [NSNumber numberWithDouble:CurrentBytes], @"Current",
 982             [NSNumber numberWithDouble:TotalBytes], @"Total",
 983             [NSNumber numberWithDouble:CurrentCPS], @"Speed",
 984         nil] waitUntilDone:YES];
 985
 986         if (value && ![delegate_ isProgressCancelled])
 987             return true;
 988         else {
 989             cancelled_ = true;
 990             return false;
 991         }
 992     }
 993
 994     _finline bool WasCancelled() const {
 995         return cancelled_;
 996     }
 997
 998     virtual void Start() {
 999         pkgAcquireStatus::Start();
1000         [delegate_ performSelectorOnMainThread:@selector(setProgressCancellable:) withObject:[NSNumber numberWithBool:YES] waitUntilDone:YES];
1001     }
1002
1003     virtual void Stop() {
1004         pkgAcquireStatus::Stop();
1005         [delegate_ performSelectorOnMainThread:@selector(setProgressCancellable:) withObject:[NSNumber numberWithBool:NO] waitUntilDone:YES];
1006         [delegate_ performSelectorOnMainThread:@selector(setProgressStatus:) withObject:nil waitUntilDone:YES];
1007     }
1008 };
1009 /* }}} */
1010 /* Database Interface {{{ */
1011 typedef std::map< unsigned long, _H<Source> > SourceMap;
1012
1013 @interface Database : NSObject {
1014     NSZone *zone_;
1015     apr_pool_t *pool_;
1016
1017     unsigned era_;
1018
1019     pkgCacheFile cache_;
1020     pkgDepCache::Policy *policy_;
1021     pkgRecords *records_;
1022     pkgProblemResolver *resolver_;
1023     pkgAcquire *fetcher_;
1024     FileFd *lock_;
1025     SPtr<pkgPackageManager> manager_;
1026     pkgSourceList *list_;
1027
1028     SourceMap sourceMap_;
1029     _H<NSMutableArray> sourceList_;
1030
1031     CFMutableArrayRef packages_;
1032
1033     _transient NSObject<DatabaseDelegate> *delegate_;
1034     _transient NSObject<ProgressDelegate> *progress_;
1035
1036     Status status_;
1037
1038     int cydiafd_;
1039     int statusfd_;
1040     FILE *input_;
1041
1042     std::map<const char *, _H<NSString> > sections_;
1043 }
1044
1045 + (Database *) sharedInstance;
1046 - (unsigned) era;
1047
1048 - (void) _readCydia:(NSNumber *)fd;
1049 - (void) _readStatus:(NSNumber *)fd;
1050 - (void) _readOutput:(NSNumber *)fd;
1051
1052 - (FILE *) input;
1053
1054 - (Package *) packageWithName:(NSString *)name;
1055
1056 - (pkgCacheFile &) cache;
1057 - (pkgDepCache::Policy *) policy;
1058 - (pkgRecords *) records;
1059 - (pkgProblemResolver *) resolver;
1060 - (pkgAcquire &) fetcher;
1061 - (pkgSourceList &) list;
1062 - (NSArray *) packages;
1063 - (NSArray *) sources;
1064 - (Source *) sourceWithKey:(NSString *)key;
1065 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
1066
1067 - (void) configure;
1068 - (bool) prepare;
1069 - (void) perform;
1070 - (bool) upgrade;
1071 - (void) update;
1072
1073 - (void) updateWithStatus:(Status &)status;
1074
1075 - (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate;
1076
1077 - (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate;
1078 - (NSObject<ProgressDelegate> *) progressDelegate;
1079
1080 - (Source *) getSource:(pkgCache::PkgFileIterator)file;
1081
1082 - (NSString *) mappedSectionForPointer:(const char *)pointer;
1083
1084 @end
1085 /* }}} */
1086 /* ProgressEvent Implementation {{{ */
1087 @implementation CydiaProgressEvent
1088
1089 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type {
1090     return [[[CydiaProgressEvent alloc] initWithMessage:message ofType:type] autorelease];
1091 }
1092
1093 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forPackage:(NSString *)package {
1094     CydiaProgressEvent *event([self eventWithMessage:message ofType:type]);
1095     [event setPackage:package];
1096     return event;
1097 }
1098
1099 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forItem:(pkgAcquire::ItemDesc &)item {
1100     CydiaProgressEvent *event([self eventWithMessage:message ofType:type]);
1101
1102     NSString *description([NSString stringWithUTF8String:item.Description.c_str()]);
1103     NSArray *fields([description componentsSeparatedByString:@" "]);
1104     [event setItem:fields];
1105
1106     if ([fields count] > 3) {
1107         [event setPackage:[fields objectAtIndex:2]];
1108         [event setVersion:[fields objectAtIndex:3]];
1109     }
1110
1111     [event setURL:[NSString stringWithUTF8String:item.URI.c_str()]];
1112
1113     return event;
1114 }
1115
1116 + (NSArray *) _attributeKeys {
1117     return [NSArray arrayWithObjects:
1118         @"item",
1119         @"message",
1120         @"package",
1121         @"type",
1122         @"url",
1123         @"version",
1124     nil];
1125 }
1126
1127 - (NSArray *) attributeKeys {
1128     return [[self class] _attributeKeys];
1129 }
1130
1131 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1132     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1133 }
1134
1135 - (id) initWithMessage:(NSString *)message ofType:(NSString *)type {
1136     if ((self = [super init]) != nil) {
1137         message_ = message;
1138         type_ = type;
1139     } return self;
1140 }
1141
1142 - (NSString *) message {
1143     return message_;
1144 }
1145
1146 - (NSString *) type {
1147     return type_;
1148 }
1149
1150 - (NSArray *) item {
1151     return (id) item_ ?: [NSNull null];
1152 }
1153
1154 - (void) setItem:(NSArray *)item {
1155     item_ = item;
1156 }
1157
1158 - (NSString *) package {
1159     return (id) package_ ?: [NSNull null];
1160 }
1161
1162 - (void) setPackage:(NSString *)package {
1163     package_ = package;
1164 }
1165
1166 - (NSString *) url {
1167     return (id) url_ ?: [NSNull null];
1168 }
1169
1170 - (void) setURL:(NSString *)url {
1171     url_ = url;
1172 }
1173
1174 - (void) setVersion:(NSString *)version {
1175     version_ = version;
1176 }
1177
1178 - (NSString *) version {
1179     return (id) version_ ?: [NSNull null];
1180 }
1181
1182 - (NSString *) compound:(NSString *)value {
1183     if (value != nil) {
1184         NSString *mode(nil); {
1185             NSString *type([self type]);
1186             if ([type isEqualToString:kCydiaProgressEventTypeError])
1187                 mode = UCLocalize("ERROR");
1188             else if ([type isEqualToString:kCydiaProgressEventTypeWarning])
1189                 mode = UCLocalize("WARNING");
1190         }
1191
1192         if (mode != nil)
1193             value = [NSString stringWithFormat:UCLocalize("COLON_DELIMITED"), mode, value];
1194     }
1195
1196     return value;
1197 }
1198
1199 - (NSString *) compoundMessage {
1200     return [self compound:[self message]];
1201 }
1202
1203 - (NSString *) compoundTitle {
1204     NSString *title;
1205
1206     if (package_ == nil)
1207         title = nil;
1208     else if (Package *package = [[Database sharedInstance] packageWithName:package_])
1209         title = [package name];
1210     else
1211         title = package_;
1212
1213     return [self compound:title];
1214 }
1215
1216 @end
1217 /* }}} */
1218
1219 // Cytore Definitions {{{
1220 struct PackageValue :
1221     Cytore::Block
1222 {
1223     Cytore::Offset<PackageValue> next_;
1224
1225     uint32_t index_ : 23;
1226     uint32_t subscribed_ : 1;
1227     uint32_t : 8;
1228
1229     int32_t first_;
1230     int32_t last_;
1231
1232     uint16_t vhash_;
1233     uint16_t nhash_;
1234
1235     char version_[8];
1236     char name_[];
1237 };
1238
1239 struct MetaValue :
1240     Cytore::Block
1241 {
1242     uint32_t active_;
1243     Cytore::Offset<PackageValue> packages_[1 << 16];
1244 };
1245
1246 static Cytore::File<MetaValue> MetaFile_;
1247 // }}}
1248 // Cytore Helper Functions {{{
1249 static PackageValue *PackageFind(const char *name, size_t length, bool *fail = NULL) {
1250     SplitHash nhash = { hashlittle(name, length) };
1251
1252     PackageValue *metadata;
1253
1254     Cytore::Offset<PackageValue> *offset(&MetaFile_->packages_[nhash.u16[0]]);
1255     offset: if (offset->IsNull()) {
1256         *offset = MetaFile_.New<PackageValue>(length + 1);
1257         metadata = &MetaFile_.Get(*offset);
1258
1259         if (metadata == NULL) {
1260             if (fail != NULL)
1261                 *fail = true;
1262
1263             metadata = new PackageValue();
1264             memset(metadata, 0, sizeof(*metadata));
1265         }
1266
1267         memcpy(metadata->name_, name, length + 1);
1268         metadata->nhash_ = nhash.u16[1];
1269     } else {
1270         metadata = &MetaFile_.Get(*offset);
1271
1272         if (metadata->nhash_ != nhash.u16[1] || strncmp(metadata->name_, name, length + 1) != 0) {
1273             offset = &metadata->next_;
1274             goto offset;
1275         }
1276     }
1277
1278     return metadata;
1279 }
1280
1281 static void PackageImport(const void *key, const void *value, void *context) {
1282     bool &fail(*reinterpret_cast<bool *>(context));
1283
1284     char buffer[1024];
1285     if (!CFStringGetCString((CFStringRef) key, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
1286         NSLog(@"failed to import package %@", key);
1287         return;
1288     }
1289
1290     PackageValue *metadata(PackageFind(buffer, strlen(buffer), &fail));
1291     NSDictionary *package((NSDictionary *) value);
1292
1293     if (NSNumber *subscribed = [package objectForKey:@"IsSubscribed"])
1294         if ([subscribed boolValue] && !metadata->subscribed_)
1295             metadata->subscribed_ = true;
1296
1297     if (NSDate *date = [package objectForKey:@"FirstSeen"]) {
1298         time_t time([date timeIntervalSince1970]);
1299         if (metadata->first_ > time || metadata->first_ == 0)
1300             metadata->first_ = time;
1301     }
1302
1303     NSDate *date([package objectForKey:@"LastSeen"]);
1304     NSString *version([package objectForKey:@"LastVersion"]);
1305
1306     if (date != nil && version != nil) {
1307         time_t time([date timeIntervalSince1970]);
1308         if (metadata->last_ < time || metadata->last_ == 0)
1309             if (CFStringGetCString((CFStringRef) version, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
1310                 size_t length(strlen(buffer));
1311                 uint16_t vhash(hashlittle(buffer, length));
1312
1313                 size_t capped(std::min<size_t>(8, length));
1314                 char *latest(buffer + length - capped);
1315
1316                 strncpy(metadata->version_, latest, sizeof(metadata->version_));
1317                 metadata->vhash_ = vhash;
1318
1319                 metadata->last_ = time;
1320             }
1321     }
1322 }
1323 // }}}
1324
1325 /* Source Class {{{ */
1326 @interface Source : NSObject {
1327     unsigned era_;
1328     Database *database_;
1329     metaIndex *index_;
1330
1331     CYString depiction_;
1332     CYString description_;
1333     CYString label_;
1334     CYString origin_;
1335     CYString support_;
1336
1337     CYString uri_;
1338     CYString distribution_;
1339     CYString type_;
1340     CYString base_;
1341     CYString version_;
1342
1343     _H<NSString> host_;
1344     _H<NSString> authority_;
1345
1346     CYString defaultIcon_;
1347
1348     _H<NSDictionary> record_;
1349     BOOL trusted_;
1350 }
1351
1352 - (Source *) initWithMetaIndex:(metaIndex *)index forDatabase:(Database *)database inPool:(apr_pool_t *)pool;
1353
1354 - (NSComparisonResult) compareByName:(Source *)source;
1355
1356 - (NSString *) depictionForPackage:(NSString *)package;
1357 - (NSString *) supportForPackage:(NSString *)package;
1358
1359 - (NSDictionary *) record;
1360 - (BOOL) trusted;
1361
1362 - (NSString *) rooturi;
1363 - (NSString *) distribution;
1364 - (NSString *) type;
1365
1366 - (NSString *) key;
1367 - (NSString *) host;
1368
1369 - (NSString *) name;
1370 - (NSString *) shortDescription;
1371 - (NSString *) label;
1372 - (NSString *) origin;
1373 - (NSString *) version;
1374
1375 - (NSString *) defaultIcon;
1376 - (NSURL *) iconURL;
1377
1378 @end
1379
1380 @implementation Source
1381
1382 - (void) _clear {
1383     uri_.clear();
1384     distribution_.clear();
1385     type_.clear();
1386
1387     base_.clear();
1388
1389     description_.clear();
1390     label_.clear();
1391     origin_.clear();
1392     depiction_.clear();
1393     support_.clear();
1394     version_.clear();
1395     defaultIcon_.clear();
1396
1397     record_ = nil;
1398     host_ = nil;
1399     authority_ = nil;
1400 }
1401
1402 + (NSString *) webScriptNameForSelector:(SEL)selector {
1403     if (false);
1404     else if (selector == @selector(addSection:))
1405         return @"addSection";
1406     else if (selector == @selector(getField:))
1407         return @"getField";
1408     else if (selector == @selector(removeSection:))
1409         return @"removeSection";
1410     else if (selector == @selector(remove))
1411         return @"remove";
1412     else
1413         return nil;
1414 }
1415
1416 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
1417     return [self webScriptNameForSelector:selector] == nil;
1418 }
1419
1420 + (NSArray *) _attributeKeys {
1421     return [NSArray arrayWithObjects:
1422         @"baseuri",
1423         @"distribution",
1424         @"host",
1425         @"key",
1426         @"iconuri",
1427         @"label",
1428         @"name",
1429         @"origin",
1430         @"rooturi",
1431         @"sections",
1432         @"shortDescription",
1433         @"trusted",
1434         @"type",
1435         @"version",
1436     nil];
1437 }
1438
1439 - (NSArray *) attributeKeys {
1440     return [[self class] _attributeKeys];
1441 }
1442
1443 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1444     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1445 }
1446
1447 - (void) setMetaIndex:(metaIndex *)index inPool:(apr_pool_t *)pool {
1448     [self _clear];
1449
1450     trusted_ = index->IsTrusted();
1451
1452     uri_.set(pool, index->GetURI());
1453     distribution_.set(pool, index->GetDist());
1454     type_.set(pool, index->GetType());
1455
1456     debReleaseIndex *dindex(dynamic_cast<debReleaseIndex *>(index));
1457     if (dindex != NULL) {
1458         base_.set(pool, dindex->MetaIndexURI(""));
1459
1460         FileFd fd;
1461         if (!fd.Open(dindex->MetaIndexFile("Release"), FileFd::ReadOnly))
1462             _error->Discard();
1463         else {
1464             pkgTagFile tags(&fd);
1465
1466             pkgTagSection section;
1467             tags.Step(section);
1468
1469             struct {
1470                 const char *name_;
1471                 CYString *value_;
1472             } names[] = {
1473                 {"default-icon", &defaultIcon_},
1474                 {"depiction", &depiction_},
1475                 {"description", &description_},
1476                 {"label", &label_},
1477                 {"origin", &origin_},
1478                 {"support", &support_},
1479                 {"version", &version_},
1480             };
1481
1482             for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i) {
1483                 const char *start, *end;
1484
1485                 if (section.Find(names[i].name_, start, end)) {
1486                     CYString &value(*names[i].value_);
1487                     value.set(pool, start, end - start);
1488                 }
1489             }
1490         }
1491     }
1492
1493     record_ = [Sources_ objectForKey:[self key]];
1494
1495     NSURL *url([NSURL URLWithString:uri_]);
1496
1497     host_ = [url host];
1498     if (host_ != nil)
1499         host_ = [host_ lowercaseString];
1500
1501     if (host_ != nil)
1502         authority_ = host_;
1503     else
1504         authority_ = [url path];
1505 }
1506
1507 - (Source *) initWithMetaIndex:(metaIndex *)index forDatabase:(Database *)database inPool:(apr_pool_t *)pool {
1508     if ((self = [super init]) != nil) {
1509         era_ = [database era];
1510         database_ = database;
1511         index_ = index;
1512
1513         [self setMetaIndex:index inPool:pool];
1514     } return self;
1515 }
1516
1517 - (NSString *) getField:(NSString *)name {
1518 @synchronized (database_) {
1519     if ([database_ era] != era_ || index_ == NULL)
1520         return nil;
1521
1522     debReleaseIndex *dindex(dynamic_cast<debReleaseIndex *>(index_));
1523     if (dindex == NULL)
1524         return nil;
1525
1526     FileFd fd;
1527     if (!fd.Open(dindex->MetaIndexFile("Release"), FileFd::ReadOnly)) {
1528          _error->Discard();
1529          return nil;
1530     }
1531
1532     pkgTagFile tags(&fd);
1533
1534     pkgTagSection section;
1535     tags.Step(section);
1536
1537     const char *start, *end;
1538     if (!section.Find([name UTF8String], start, end))
1539         return (NSString *) [NSNull null];
1540
1541     return [NSString stringWithString:[(NSString *) CYStringCreate(start, end - start) autorelease]];
1542 } }
1543
1544 - (NSComparisonResult) compareByName:(Source *)source {
1545     NSString *lhs = [self name];
1546     NSString *rhs = [source name];
1547
1548     if ([lhs length] != 0 && [rhs length] != 0) {
1549         unichar lhc = [lhs characterAtIndex:0];
1550         unichar rhc = [rhs characterAtIndex:0];
1551
1552         if (isalpha(lhc) && !isalpha(rhc))
1553             return NSOrderedAscending;
1554         else if (!isalpha(lhc) && isalpha(rhc))
1555             return NSOrderedDescending;
1556     }
1557
1558     return [lhs compare:rhs options:LaxCompareOptions_];
1559 }
1560
1561 - (NSString *) depictionForPackage:(NSString *)package {
1562     return depiction_.empty() ? nil : [static_cast<id>(depiction_) stringByReplacingOccurrencesOfString:@"*" withString:package];
1563 }
1564
1565 - (NSString *) supportForPackage:(NSString *)package {
1566     return support_.empty() ? nil : [static_cast<id>(support_) stringByReplacingOccurrencesOfString:@"*" withString:package];
1567 }
1568
1569 - (NSArray *) sections {
1570     return record_ == nil ? (id) [NSNull null] : [record_ objectForKey:@"Sections"] ?: [NSArray array];
1571 }
1572
1573 - (void) _addSection:(NSString *)section {
1574     if (record_ == nil)
1575         return;
1576     else if (NSMutableArray *sections = [record_ objectForKey:@"Sections"]) {
1577         if (![sections containsObject:section]) {
1578             [sections addObject:section];
1579             Changed_ = true;
1580         }
1581     } else {
1582         [record_ setObject:[NSMutableArray arrayWithObject:section] forKey:@"Sections"];
1583         Changed_ = true;
1584     }
1585 }
1586
1587 - (bool) addSection:(NSString *)section {
1588     if (record_ == nil)
1589         return false;
1590
1591     [self performSelectorOnMainThread:@selector(_addSection:) withObject:section waitUntilDone:NO];
1592     return true;
1593 }
1594
1595 - (void) _removeSection:(NSString *)section {
1596     if (record_ == nil)
1597         return;
1598
1599     if (NSMutableArray *sections = [record_ objectForKey:@"Sections"])
1600         if ([sections containsObject:section]) {
1601             [sections removeObject:section];
1602             Changed_ = true;
1603         }
1604 }
1605
1606 - (bool) removeSection:(NSString *)section {
1607     if (record_ == nil)
1608         return false;
1609
1610     [self performSelectorOnMainThread:@selector(_removeSection:) withObject:section waitUntilDone:NO];
1611     return true;
1612 }
1613
1614 - (void) _remove {
1615     [Sources_ removeObjectForKey:[self key]];
1616     Changed_ = true;
1617 }
1618
1619 - (bool) remove {
1620     bool value(record_ != nil);
1621     [self performSelectorOnMainThread:@selector(_remove) withObject:nil waitUntilDone:NO];
1622     return value;
1623 }
1624
1625 - (NSDictionary *) record {
1626     return record_;
1627 }
1628
1629 - (BOOL) trusted {
1630     return trusted_;
1631 }
1632
1633 - (NSString *) rooturi {
1634     return uri_;
1635 }
1636
1637 - (NSString *) distribution {
1638     return distribution_;
1639 }
1640
1641 - (NSString *) type {
1642     return type_;
1643 }
1644
1645 - (NSString *) baseuri {
1646     return base_.empty() ? nil : (id) base_;
1647 }
1648
1649 - (NSString *) iconuri {
1650     if (NSString *base = [self baseuri])
1651         return [base stringByAppendingString:@"CydiaIcon.png"];
1652
1653     return nil;
1654 }
1655
1656 - (NSURL *) iconURL {
1657     if (NSString *uri = [self iconuri])
1658         return [NSURL URLWithString:uri];
1659     return nil;
1660 }
1661
1662 - (NSString *) key {
1663     return [NSString stringWithFormat:@"%@:%@:%@", (NSString *) type_, (NSString *) uri_, (NSString *) distribution_];
1664 }
1665
1666 - (NSString *) host {
1667     return host_;
1668 }
1669
1670 - (NSString *) name {
1671     return origin_.empty() ? (id) authority_ : origin_;
1672 }
1673
1674 - (NSString *) shortDescription {
1675     return description_;
1676 }
1677
1678 - (NSString *) label {
1679     return label_.empty() ? (id) authority_ : label_;
1680 }
1681
1682 - (NSString *) origin {
1683     return origin_;
1684 }
1685
1686 - (NSString *) version {
1687     return version_;
1688 }
1689
1690 - (NSString *) defaultIcon {
1691     return defaultIcon_;
1692 }
1693
1694 @end
1695 /* }}} */
1696 /* CydiaOperation Class {{{ */
1697 @interface CydiaOperation : NSObject {
1698     _H<NSString> operator_;
1699     _H<NSString> value_;
1700 }
1701
1702 - (NSString *) operator;
1703 - (NSString *) value;
1704
1705 @end
1706
1707 @implementation CydiaOperation
1708
1709 - (id) initWithOperator:(const char *)_operator value:(const char *)value {
1710     if ((self = [super init]) != nil) {
1711         operator_ = [NSString stringWithUTF8String:_operator];
1712         value_ = [NSString stringWithUTF8String:value];
1713     } return self;
1714 }
1715
1716 + (NSArray *) _attributeKeys {
1717     return [NSArray arrayWithObjects:
1718         @"operator",
1719         @"value",
1720     nil];
1721 }
1722
1723 - (NSArray *) attributeKeys {
1724     return [[self class] _attributeKeys];
1725 }
1726
1727 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1728     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1729 }
1730
1731 - (NSString *) operator {
1732     return operator_;
1733 }
1734
1735 - (NSString *) value {
1736     return value_;
1737 }
1738
1739 @end
1740 /* }}} */
1741 /* CydiaClause Class {{{ */
1742 @interface CydiaClause : NSObject {
1743     _H<NSString> package_;
1744     _H<CydiaOperation> version_;
1745 }
1746
1747 - (NSString *) package;
1748 - (CydiaOperation *) version;
1749
1750 @end
1751
1752 @implementation CydiaClause
1753
1754 - (id) initWithIterator:(pkgCache::DepIterator &)dep {
1755     if ((self = [super init]) != nil) {
1756         package_ = [NSString stringWithUTF8String:dep.TargetPkg().Name()];
1757
1758         if (const char *version = dep.TargetVer())
1759             version_ = [[[CydiaOperation alloc] initWithOperator:dep.CompType() value:version] autorelease];
1760         else
1761             version_ = (id) [NSNull null];
1762     } return self;
1763 }
1764
1765 + (NSArray *) _attributeKeys {
1766     return [NSArray arrayWithObjects:
1767         @"package",
1768         @"version",
1769     nil];
1770 }
1771
1772 - (NSArray *) attributeKeys {
1773     return [[self class] _attributeKeys];
1774 }
1775
1776 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1777     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1778 }
1779
1780 - (NSString *) package {
1781     return package_;
1782 }
1783
1784 - (CydiaOperation *) version {
1785     return version_;
1786 }
1787
1788 @end
1789 /* }}} */
1790 /* CydiaRelation Class {{{ */
1791 @interface CydiaRelation : NSObject {
1792     _H<NSString> relationship_;
1793     _H<NSMutableArray> clauses_;
1794 }
1795
1796 - (NSString *) relationship;
1797 - (NSArray *) clauses;
1798
1799 @end
1800
1801 @implementation CydiaRelation
1802
1803 - (id) initWithIterator:(pkgCache::DepIterator &)dep {
1804     if ((self = [super init]) != nil) {
1805         relationship_ = [NSString stringWithUTF8String:dep.DepType()];
1806         clauses_ = [NSMutableArray arrayWithCapacity:8];
1807
1808         pkgCache::DepIterator start;
1809         pkgCache::DepIterator end;
1810         dep.GlobOr(start, end); // ++dep
1811
1812         _forever {
1813             [clauses_ addObject:[[[CydiaClause alloc] initWithIterator:start] autorelease]];
1814
1815             // yes, seriously. (wtf?)
1816             if (start == end)
1817                 break;
1818             ++start;
1819         }
1820     } return self;
1821 }
1822
1823 + (NSArray *) _attributeKeys {
1824     return [NSArray arrayWithObjects:
1825         @"clauses",
1826         @"relationship",
1827     nil];
1828 }
1829
1830 - (NSArray *) attributeKeys {
1831     return [[self class] _attributeKeys];
1832 }
1833
1834 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1835     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1836 }
1837
1838 - (NSString *) relationship {
1839     return relationship_;
1840 }
1841
1842 - (NSArray *) clauses {
1843     return clauses_;
1844 }
1845
1846 - (void) addClause:(CydiaClause *)clause {
1847     [clauses_ addObject:clause];
1848 }
1849
1850 @end
1851 /* }}} */
1852 /* Package Class {{{ */
1853 struct ParsedPackage {
1854     CYString md5sum_;
1855     CYString tagline_;
1856
1857     CYString architecture_;
1858     CYString icon_;
1859
1860     CYString depiction_;
1861     CYString homepage_;
1862
1863     CYString sponsor_;
1864     CYString author_;
1865
1866     CYString bugs_;
1867     CYString support_;
1868 };
1869
1870 @interface Package : NSObject {
1871     uint32_t era_ : 25;
1872     uint32_t role_ : 3;
1873     uint32_t essential_ : 1;
1874     uint32_t obsolete_ : 1;
1875     uint32_t ignored_ : 1;
1876     uint32_t pooled_ : 1;
1877
1878     apr_pool_t *pool_;
1879
1880     uint32_t rank_;
1881
1882     _transient Database *database_;
1883
1884     pkgCache::VerIterator version_;
1885     pkgCache::PkgIterator iterator_;
1886     pkgCache::VerFileIterator file_;
1887
1888     CYString id_;
1889     CYString name_;
1890
1891     CYString latest_;
1892     CYString installed_;
1893
1894     const char *section_;
1895     _transient NSString *section$_;
1896
1897     _H<Source> source_;
1898
1899     PackageValue *metadata_;
1900     ParsedPackage *parsed_;
1901
1902     _H<NSMutableArray> tags_;
1903 }
1904
1905 - (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database;
1906 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database;
1907
1908 - (pkgCache::PkgIterator) iterator;
1909 - (void) parse;
1910
1911 - (NSString *) section;
1912 - (NSString *) simpleSection;
1913
1914 - (NSString *) longSection;
1915 - (NSString *) shortSection;
1916
1917 - (NSString *) uri;
1918
1919 - (MIMEAddress *) maintainer;
1920 - (size_t) size;
1921 - (NSString *) longDescription;
1922 - (NSString *) shortDescription;
1923 - (unichar) index;
1924
1925 - (PackageValue *) metadata;
1926 - (time_t) seen;
1927
1928 - (bool) subscribed;
1929 - (bool) setSubscribed:(bool)subscribed;
1930
1931 - (BOOL) ignored;
1932
1933 - (NSString *) latest;
1934 - (NSString *) installed;
1935 - (BOOL) uninstalled;
1936
1937 - (BOOL) valid;
1938 - (BOOL) upgradableAndEssential:(BOOL)essential;
1939 - (BOOL) essential;
1940 - (BOOL) broken;
1941 - (BOOL) unfiltered;
1942 - (BOOL) visible;
1943
1944 - (BOOL) half;
1945 - (BOOL) halfConfigured;
1946 - (BOOL) halfInstalled;
1947 - (BOOL) hasMode;
1948 - (NSString *) mode;
1949
1950 - (NSString *) id;
1951 - (NSString *) name;
1952 - (UIImage *) icon;
1953 - (NSString *) homepage;
1954 - (NSString *) depiction;
1955 - (MIMEAddress *) author;
1956
1957 - (NSString *) support;
1958
1959 - (NSArray *) files;
1960 - (NSArray *) warnings;
1961 - (NSArray *) applications;
1962
1963 - (Source *) source;
1964
1965 - (uint32_t) rank;
1966 - (BOOL) matches:(NSArray *)query;
1967
1968 - (bool) hasSupportingRole;
1969 - (BOOL) hasTag:(NSString *)tag;
1970 - (NSString *) primaryPurpose;
1971 - (NSArray *) purposes;
1972 - (bool) isCommercial;
1973
1974 - (void) setIndex:(size_t)index;
1975
1976 - (CYString &) cyname;
1977
1978 - (uint32_t) compareBySection:(NSArray *)sections;
1979
1980 - (void) install;
1981 - (void) remove;
1982
1983 - (bool) isUnfilteredAndSearchedForBy:(NSArray *)query;
1984 - (bool) isUnfilteredAndSelectedForBy:(NSString *)search;
1985 - (bool) isInstalledAndUnfiltered:(NSNumber *)number;
1986 - (bool) isVisibleInSection:(NSString *)section;
1987 - (bool) isVisibleInSource:(Source *)source;
1988
1989 @end
1990
1991 uint32_t PackageChangesRadix(Package *self, void *) {
1992     union {
1993         uint32_t key;
1994
1995         struct {
1996             uint32_t timestamp : 30;
1997             uint32_t ignored : 1;
1998             uint32_t upgradable : 1;
1999         } bits;
2000     } value;
2001
2002     bool upgradable([self upgradableAndEssential:YES]);
2003     value.bits.upgradable = upgradable ? 1 : 0;
2004
2005     if (upgradable) {
2006         value.bits.timestamp = 0;
2007         value.bits.ignored = [self ignored] ? 0 : 1;
2008         value.bits.upgradable = 1;
2009     } else {
2010         value.bits.timestamp = [self seen] >> 2;
2011         value.bits.ignored = 0;
2012         value.bits.upgradable = 0;
2013     }
2014
2015     return _not(uint32_t) - value.key;
2016 }
2017
2018 uint32_t PackagePrefixRadix(Package *self, void *context) {
2019     size_t offset(reinterpret_cast<size_t>(context));
2020     CYString &name([self cyname]);
2021
2022     size_t size(name.size());
2023     if (size == 0)
2024         return 0;
2025     char *text(name.data());
2026
2027     size_t zeros;
2028     if (!isdigit(text[0]))
2029         zeros = 0;
2030     else {
2031         size_t digits(1);
2032         while (size != digits && isdigit(text[digits]))
2033             if (++digits == 4)
2034                 break;
2035         zeros = 4 - digits;
2036     }
2037
2038     uint8_t data[4];
2039
2040     if (offset == 0 && zeros != 0) {
2041         memset(data, '0', zeros);
2042         memcpy(data + zeros, text, 4 - zeros);
2043     } else {
2044         /* XXX: there's some danger here if you request a non-zero offset < 4 and it gets zero padded */
2045         if (size <= offset - zeros)
2046             return 0;
2047
2048         text += offset - zeros;
2049         size -= offset - zeros;
2050
2051         if (size >= 4)
2052             memcpy(data, text, 4);
2053         else {
2054             memcpy(data, text, size);
2055             memset(data + size, 0, 4 - size);
2056         }
2057
2058         for (size_t i(0); i != 4; ++i)
2059             if (isalpha(data[i]))
2060                 data[i] |= 0x20;
2061     }
2062
2063     if (offset == 0)
2064         if (data[0] == '@')
2065             data[0] = 0x7f;
2066         else
2067             data[0] = (data[0] & 0x1f) | "\x80\x00\xc0\x40"[data[0] >> 6];
2068
2069     /* XXX: ntohl may be more honest */
2070     return OSSwapInt32(*reinterpret_cast<uint32_t *>(data));
2071 }
2072
2073 CYString &(*PackageName)(Package *self, SEL sel);
2074
2075 CFComparisonResult PackageNameCompare(Package *lhs, Package *rhs, void *arg) {
2076     _profile(PackageNameCompare)
2077         CYString &lhi(PackageName(lhs, @selector(cyname)));
2078         CYString &rhi(PackageName(rhs, @selector(cyname)));
2079         CFStringRef lhn(lhi), rhn(rhi);
2080
2081         if (lhn == NULL)
2082             return rhn == NULL ? NSOrderedSame : NSOrderedAscending;
2083         else if (rhn == NULL)
2084             return NSOrderedDescending;
2085
2086         _profile(PackageNameCompare$NumbersLast)
2087             if (!lhi.empty() && !rhi.empty()) {
2088                 UniChar lhc(CFStringGetCharacterAtIndex(lhn, 0));
2089                 UniChar rhc(CFStringGetCharacterAtIndex(rhn, 0));
2090                 bool lha(CFUniCharIsMemberOf(lhc, kCFUniCharLetterCharacterSet));
2091                 if (lha != CFUniCharIsMemberOf(rhc, kCFUniCharLetterCharacterSet))
2092                     return lha ? NSOrderedAscending : NSOrderedDescending;
2093             }
2094         _end
2095
2096         CFIndex length = CFStringGetLength(lhn);
2097
2098         _profile(PackageNameCompare$Compare)
2099             return CFStringCompareWithOptionsAndLocale(lhn, rhn, CFRangeMake(0, length), LaxCompareFlags_, Locale_);
2100         _end
2101     _end
2102 }
2103
2104 CFComparisonResult PackageNameCompare_(Package **lhs, Package **rhs, void *context) {
2105     return PackageNameCompare(*lhs, *rhs, context);
2106 }
2107
2108 struct PackageNameOrdering :
2109     std::binary_function<Package *, Package *, bool>
2110 {
2111     _finline bool operator ()(Package *lhs, Package *rhs) const {
2112         return PackageNameCompare(lhs, rhs, NULL) == NSOrderedAscending;
2113     }
2114 };
2115
2116 @implementation Package
2117
2118 - (NSString *) description {
2119     return [NSString stringWithFormat:@"<Package:%@>", static_cast<NSString *>(name_)];
2120 }
2121
2122 - (void) dealloc {
2123     if (!pooled_)
2124         apr_pool_destroy(pool_);
2125     if (parsed_ != NULL)
2126         delete parsed_;
2127     [super dealloc];
2128 }
2129
2130 + (NSString *) webScriptNameForSelector:(SEL)selector {
2131     if (false);
2132     else if (selector == @selector(clear))
2133         return @"clear";
2134     else if (selector == @selector(getField:))
2135         return @"getField";
2136     else if (selector == @selector(hasTag:))
2137         return @"hasTag";
2138     else if (selector == @selector(install))
2139         return @"install";
2140     else if (selector == @selector(remove))
2141         return @"remove";
2142     else
2143         return nil;
2144 }
2145
2146 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
2147     return [self webScriptNameForSelector:selector] == nil;
2148 }
2149
2150 + (NSArray *) _attributeKeys {
2151     return [NSArray arrayWithObjects:
2152         @"applications",
2153         @"architecture",
2154         @"author",
2155         @"depiction",
2156         @"essential",
2157         @"homepage",
2158         @"icon",
2159         @"id",
2160         @"installed",
2161         @"latest",
2162         @"longDescription",
2163         @"longSection",
2164         @"maintainer",
2165         @"md5sum",
2166         @"mode",
2167         @"name",
2168         @"purposes",
2169         @"relations",
2170         @"section",
2171         @"selection",
2172         @"shortDescription",
2173         @"shortSection",
2174         @"simpleSection",
2175         @"size",
2176         @"source",
2177         @"sponsor",
2178         @"state",
2179         @"support",
2180         @"tags",
2181         @"warnings",
2182     nil];
2183 }
2184
2185 - (NSArray *) attributeKeys {
2186     return [[self class] _attributeKeys];
2187 }
2188
2189 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
2190     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
2191 }
2192
2193 - (NSArray *) relations {
2194 @synchronized (database_) {
2195     NSMutableArray *relations([NSMutableArray arrayWithCapacity:16]);
2196     for (pkgCache::DepIterator dep(version_.DependsList()); !dep.end(); ++dep)
2197         [relations addObject:[[[CydiaRelation alloc] initWithIterator:dep] autorelease]];
2198     return relations;
2199 } }
2200
2201 - (NSString *) architecture {
2202     [self parse];
2203 @synchronized (database_) {
2204     return parsed_->architecture_.empty() ? [NSNull null] : (id) parsed_->architecture_;
2205 } }
2206
2207 - (NSString *) getField:(NSString *)name {
2208 @synchronized (database_) {
2209     if ([database_ era] != era_ || file_.end())
2210         return nil;
2211
2212     pkgRecords::Parser &parser([database_ records]->Lookup(file_));
2213
2214     const char *start, *end;
2215     if (!parser.Find([name UTF8String], start, end))
2216         return (NSString *) [NSNull null];
2217
2218     return [NSString stringWithString:[(NSString *) CYStringCreate(start, end - start) autorelease]];
2219 } }
2220
2221 - (void) parse {
2222     if (parsed_ != NULL)
2223         return;
2224 @synchronized (database_) {
2225     if ([database_ era] != era_ || file_.end())
2226         return;
2227
2228     ParsedPackage *parsed(new ParsedPackage);
2229     parsed_ = parsed;
2230
2231     _profile(Package$parse)
2232         pkgRecords::Parser *parser;
2233
2234         _profile(Package$parse$Lookup)
2235             parser = &[database_ records]->Lookup(file_);
2236         _end
2237
2238         CYString website;
2239
2240         _profile(Package$parse$Find)
2241             struct {
2242                 const char *name_;
2243                 CYString *value_;
2244             } names[] = {
2245                 {"architecture", &parsed->architecture_},
2246                 {"icon", &parsed->icon_},
2247                 {"depiction", &parsed->depiction_},
2248                 {"homepage", &parsed->homepage_},
2249                 {"website", &website},
2250                 {"bugs", &parsed->bugs_},
2251                 {"support", &parsed->support_},
2252                 {"sponsor", &parsed->sponsor_},
2253                 {"author", &parsed->author_},
2254                 {"md5sum", &parsed->md5sum_},
2255             };
2256
2257             for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i) {
2258                 const char *start, *end;
2259
2260                 if (parser->Find(names[i].name_, start, end)) {
2261                     CYString &value(*names[i].value_);
2262                     _profile(Package$parse$Value)
2263                         value.set(pool_, start, end - start);
2264                     _end
2265                 }
2266             }
2267         _end
2268
2269         _profile(Package$parse$Tagline)
2270             const char *start, *end;
2271             if (parser->ShortDesc(start, end)) {
2272                 const char *stop(reinterpret_cast<const char *>(memchr(start, '\n', end - start)));
2273                 if (stop == NULL)
2274                     stop = end;
2275                 while (stop != start && stop[-1] == '\r')
2276                     --stop;
2277                 parsed->tagline_.set(pool_, start, stop - start);
2278             }
2279         _end
2280
2281         _profile(Package$parse$Retain)
2282             if (parsed->homepage_.empty())
2283                 parsed->homepage_ = website;
2284             if (parsed->homepage_ == parsed->depiction_)
2285                 parsed->homepage_.clear();
2286         _end
2287     _end
2288 } }
2289
2290 - (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database {
2291     if ((self = [super init]) != nil) {
2292     _profile(Package$initWithVersion)
2293         if (pool == NULL)
2294             apr_pool_create(&pool_, NULL);
2295         else {
2296             pool_ = pool;
2297             pooled_ = true;
2298         }
2299
2300         database_ = database;
2301         era_ = [database era];
2302
2303         version_ = version;
2304
2305         pkgCache::PkgIterator iterator(version.ParentPkg());
2306         iterator_ = iterator;
2307
2308         _profile(Package$initWithVersion$Version)
2309             if (!version_.end())
2310                 file_ = version_.FileList();
2311             else {
2312                 pkgCache &cache([database_ cache]);
2313                 file_ = pkgCache::VerFileIterator(cache, cache.VerFileP);
2314             }
2315         _end
2316
2317         _profile(Package$initWithVersion$Cache)
2318             name_.set(NULL, iterator.Display());
2319
2320             latest_.set(NULL, StripVersion_(version_.VerStr()));
2321
2322             pkgCache::VerIterator current(iterator.CurrentVer());
2323             if (!current.end())
2324                 installed_.set(NULL, StripVersion_(current.VerStr()));
2325         _end
2326
2327         _profile(Package$initWithVersion$Tags)
2328             pkgCache::TagIterator tag(iterator.TagList());
2329             if (!tag.end()) {
2330                 tags_ = [NSMutableArray arrayWithCapacity:8];
2331                 do {
2332                     const char *name(tag.Name());
2333                     [tags_ addObject:[(NSString *)CYStringCreate(name) autorelease]];
2334
2335                     if (role_ == 0 && strncmp(name, "role::", 6) == 0 /*&& strcmp(name, "role::leaper") != 0*/) {
2336                         if (strcmp(name + 6, "enduser") == 0)
2337                             role_ = 1;
2338                         else if (strcmp(name + 6, "hacker") == 0)
2339                             role_ = 2;
2340                         else if (strcmp(name + 6, "developer") == 0)
2341                             role_ = 3;
2342                         else if (strcmp(name + 6, "cydia") == 0)
2343                             role_ = 7;
2344                         else
2345                             role_ = 4;
2346                     }
2347
2348                     if (strncmp(name, "cydia::", 7) == 0) {
2349                         if (strcmp(name + 7, "essential") == 0)
2350                             essential_ = true;
2351                         else if (strcmp(name + 7, "obsolete") == 0)
2352                             obsolete_ = true;
2353                     }
2354
2355                     ++tag;
2356                 } while (!tag.end());
2357             }
2358         _end
2359
2360         _profile(Package$initWithVersion$Metadata)
2361             const char *mixed(iterator.Name());
2362             size_t size(strlen(mixed));
2363             char lower[size + 1];
2364
2365             for (size_t i(0); i != size; ++i)
2366                 lower[i] = mixed[i] | 0x20;
2367             lower[size] = '\0';
2368
2369             PackageValue *metadata(PackageFind(lower, size));
2370             metadata_ = metadata;
2371
2372             id_.set(NULL, metadata->name_, size);
2373
2374             const char *latest(version_.VerStr());
2375             size_t length(strlen(latest));
2376
2377             uint16_t vhash(hashlittle(latest, length));
2378
2379             size_t capped(std::min<size_t>(8, length));
2380             latest = latest + length - capped;
2381
2382             if (metadata->first_ == 0)
2383                 metadata->first_ = now_;
2384
2385             if (metadata->vhash_ != vhash || strncmp(metadata->version_, latest, sizeof(metadata->version_)) != 0) {
2386                 strncpy(metadata->version_, latest, sizeof(metadata->version_));
2387                 metadata->vhash_ = vhash;
2388                 metadata->last_ = now_;
2389             } else if (metadata->last_ == 0)
2390                 metadata->last_ = metadata->first_;
2391         _end
2392
2393         _profile(Package$initWithVersion$Section)
2394             section_ = iterator.Section();
2395         _end
2396
2397         _profile(Package$initWithVersion$Flags)
2398             essential_ |= ((iterator->Flags & pkgCache::Flag::Essential) == 0 ? NO : YES);
2399             ignored_ = iterator->SelectedState == pkgCache::State::Hold;
2400         _end
2401     _end } return self;
2402 }
2403
2404 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database {
2405     pkgCache::VerIterator version;
2406
2407     _profile(Package$packageWithIterator$GetCandidateVer)
2408         version = [database policy]->GetCandidateVer(iterator);
2409     _end
2410
2411     if (version.end())
2412         return nil;
2413
2414     Package *package;
2415
2416     _profile(Package$packageWithIterator$Allocate)
2417         package = [Package allocWithZone:zone];
2418     _end
2419
2420     _profile(Package$packageWithIterator$Initialize)
2421         package = [package
2422             initWithVersion:version
2423             withZone:zone
2424             inPool:pool
2425             database:database
2426         ];
2427     _end
2428
2429     _profile(Package$packageWithIterator$Autorelease)
2430         package = [package autorelease];
2431     _end
2432
2433     return package;
2434 }
2435
2436 - (pkgCache::PkgIterator) iterator {
2437     return iterator_;
2438 }
2439
2440 - (NSString *) section {
2441     if (section$_ == nil) {
2442         if (section_ == NULL)
2443             return nil;
2444
2445         _profile(Package$section$mappedSectionForPointer)
2446             section$_ = [database_ mappedSectionForPointer:section_];
2447         _end
2448     } return section$_;
2449 }
2450
2451 - (NSString *) simpleSection {
2452     if (NSString *section = [self section])
2453         return Simplify(section);
2454     else
2455         return nil;
2456 }
2457
2458 - (NSString *) longSection {
2459     return LocalizeSection([self section]);
2460 }
2461
2462 - (NSString *) shortSection {
2463     return [[NSBundle mainBundle] localizedStringForKey:[self simpleSection] value:nil table:@"Sections"];
2464 }
2465
2466 - (NSString *) uri {
2467     return nil;
2468 #if 0
2469     pkgIndexFile *index;
2470     pkgCache::PkgFileIterator file(file_.File());
2471     if (![database_ list].FindIndex(file, index))
2472         return nil;
2473     return [NSString stringWithUTF8String:iterator_->Path];
2474     //return [NSString stringWithUTF8String:file.Site()];
2475     //return [NSString stringWithUTF8String:index->ArchiveURI(file.FileName()).c_str()];
2476 #endif
2477 }
2478
2479 - (MIMEAddress *) maintainer {
2480 @synchronized (database_) {
2481     if ([database_ era] != era_ || file_.end())
2482         return nil;
2483
2484     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
2485     const std::string &maintainer(parser->Maintainer());
2486     return maintainer.empty() ? nil : [MIMEAddress addressWithString:[NSString stringWithUTF8String:maintainer.c_str()]];
2487 } }
2488
2489 - (NSString *) md5sum {
2490     return parsed_ == NULL ? nil : (id) parsed_->md5sum_;
2491 }
2492
2493 - (size_t) size {
2494 @synchronized (database_) {
2495     if ([database_ era] != era_ || version_.end())
2496         return 0;
2497
2498     return version_->InstalledSize;
2499 } }
2500
2501 - (NSString *) longDescription {
2502 @synchronized (database_) {
2503     if ([database_ era] != era_ || file_.end())
2504         return nil;
2505
2506     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
2507     NSString *description([NSString stringWithUTF8String:parser->LongDesc().c_str()]);
2508
2509     NSArray *lines = [description componentsSeparatedByString:@"\n"];
2510     NSMutableArray *trimmed = [NSMutableArray arrayWithCapacity:([lines count] - 1)];
2511     if ([lines count] < 2)
2512         return nil;
2513
2514     NSCharacterSet *whitespace = [NSCharacterSet whitespaceCharacterSet];
2515     for (size_t i(1), e([lines count]); i != e; ++i) {
2516         NSString *trim = [[lines objectAtIndex:i] stringByTrimmingCharactersInSet:whitespace];
2517         [trimmed addObject:trim];
2518     }
2519
2520     return [trimmed componentsJoinedByString:@"\n"];
2521 } }
2522
2523 - (NSString *) shortDescription {
2524     if (parsed_ != NULL)
2525         return static_cast<NSString *>(parsed_->tagline_);
2526
2527 @synchronized (database_) {
2528     pkgRecords::Parser &parser([database_ records]->Lookup(file_));
2529
2530     const char *start, *end;
2531     if (!parser.ShortDesc(start, end))
2532         return nil;
2533
2534     if (end - start > 200)
2535         end = start + 200;
2536
2537     /*
2538     if (const char *stop = reinterpret_cast<const char *>(memchr(start, '\n', end - start)))
2539         end = stop;
2540
2541     while (end != start && end[-1] == '\r')
2542         --end;
2543     */
2544
2545     return [(id) CYStringCreate(start, end - start) autorelease];
2546 } }
2547
2548 - (unichar) index {
2549     _profile(Package$index)
2550         CFStringRef name((CFStringRef) [self name]);
2551         if (CFStringGetLength(name) == 0)
2552             return '#';
2553         UniChar character(CFStringGetCharacterAtIndex(name, 0));
2554         if (!CFUniCharIsMemberOf(character, kCFUniCharLetterCharacterSet))
2555             return '#';
2556         return toupper(character);
2557     _end
2558 }
2559
2560 - (PackageValue *) metadata {
2561     return metadata_;
2562 }
2563
2564 - (time_t) seen {
2565     PackageValue *metadata([self metadata]);
2566     return metadata->subscribed_ ? metadata->last_ : metadata->first_;
2567 }
2568
2569 - (bool) subscribed {
2570     return [self metadata]->subscribed_;
2571 }
2572
2573 - (bool) setSubscribed:(bool)subscribed {
2574     PackageValue *metadata([self metadata]);
2575     if (metadata->subscribed_ == subscribed)
2576         return false;
2577     metadata->subscribed_ = subscribed;
2578     return true;
2579 }
2580
2581 - (BOOL) ignored {
2582     return ignored_;
2583 }
2584
2585 - (NSString *) latest {
2586     return latest_;
2587 }
2588
2589 - (NSString *) installed {
2590     return installed_;
2591 }
2592
2593 - (BOOL) uninstalled {
2594     return installed_.empty();
2595 }
2596
2597 - (BOOL) valid {
2598     return !version_.end();
2599 }
2600
2601 - (BOOL) upgradableAndEssential:(BOOL)essential {
2602     _profile(Package$upgradableAndEssential)
2603         pkgCache::VerIterator current(iterator_.CurrentVer());
2604         if (current.end())
2605             return essential && essential_;
2606         else
2607             return !version_.end() && version_ != current;
2608     _end
2609 }
2610
2611 - (BOOL) essential {
2612     return essential_;
2613 }
2614
2615 - (BOOL) broken {
2616     return [database_ cache][iterator_].InstBroken();
2617 }
2618
2619 - (BOOL) unfiltered {
2620     _profile(Package$unfiltered$obsolete)
2621         if (_unlikely(obsolete_))
2622             return false;
2623     _end
2624
2625     _profile(Package$unfiltered$hasSupportingRole)
2626         if (_unlikely(![self hasSupportingRole]))
2627             return false;
2628     _end
2629
2630     return true;
2631 }
2632
2633 - (BOOL) visible {
2634     if (![self unfiltered])
2635         return false;
2636
2637     NSString *section;
2638
2639     _profile(Package$visible$section)
2640         section = [self section];
2641     _end
2642
2643     _profile(Package$visible$isSectionVisible)
2644         if (!isSectionVisible(section))
2645             return false;
2646     _end
2647
2648     return true;
2649 }
2650
2651 - (BOOL) half {
2652     unsigned char current(iterator_->CurrentState);
2653     return current == pkgCache::State::HalfConfigured || current == pkgCache::State::HalfInstalled;
2654 }
2655
2656 - (BOOL) halfConfigured {
2657     return iterator_->CurrentState == pkgCache::State::HalfConfigured;
2658 }
2659
2660 - (BOOL) halfInstalled {
2661     return iterator_->CurrentState == pkgCache::State::HalfInstalled;
2662 }
2663
2664 - (BOOL) hasMode {
2665     pkgDepCache::StateCache &state([database_ cache][iterator_]);
2666     return state.Mode != pkgDepCache::ModeKeep;
2667 }
2668
2669 - (NSString *) mode {
2670     pkgDepCache::StateCache &state([database_ cache][iterator_]);
2671
2672     switch (state.Mode) {
2673         case pkgDepCache::ModeDelete:
2674             if ((state.iFlags & pkgDepCache::Purge) != 0)
2675                 return @"PURGE";
2676             else
2677                 return @"REMOVE";
2678         case pkgDepCache::ModeKeep:
2679             if ((state.iFlags & pkgDepCache::ReInstall) != 0)
2680                 return @"REINSTALL";
2681             /*else if ((state.iFlags & pkgDepCache::AutoKept) != 0)
2682                 return nil;*/
2683             else
2684                 return nil;
2685         case pkgDepCache::ModeInstall:
2686             /*if ((state.iFlags & pkgDepCache::ReInstall) != 0)
2687                 return @"REINSTALL";
2688             else*/ switch (state.Status) {
2689                 case -1:
2690                     return @"DOWNGRADE";
2691                 case 0:
2692                     return @"INSTALL";
2693                 case 1:
2694                     return @"UPGRADE";
2695                 case 2:
2696                     return @"NEW_INSTALL";
2697                 _nodefault
2698             }
2699         _nodefault
2700     }
2701 }
2702
2703 - (NSString *) id {
2704     return id_;
2705 }
2706
2707 - (NSString *) name {
2708     return name_.empty() ? id_ : name_;
2709 }
2710
2711 - (UIImage *) icon {
2712     NSString *section = [self simpleSection];
2713
2714     UIImage *icon(nil);
2715     if (parsed_ != NULL)
2716         if (NSString *href = parsed_->icon_)
2717             if ([href hasPrefix:@"file:///"])
2718                 icon = [UIImage imageAtPath:[[href substringFromIndex:7] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
2719     if (icon == nil) if (section != nil)
2720         icon = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, [section stringByReplacingOccurrencesOfString:@" " withString:@"_"]]];
2721     if (icon == nil) if (Source *source = [self source]) if (NSString *dicon = [source defaultIcon])
2722         if ([dicon hasPrefix:@"file:///"])
2723             icon = [UIImage imageAtPath:[[dicon substringFromIndex:7] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
2724     if (icon == nil)
2725         icon = [UIImage applicationImageNamed:@"unknown.png"];
2726     return icon;
2727 }
2728
2729 - (NSString *) homepage {
2730     return parsed_ == NULL ? nil : static_cast<NSString *>(parsed_->homepage_);
2731 }
2732
2733 - (NSString *) depiction {
2734     return parsed_ != NULL && !parsed_->depiction_.empty() ? parsed_->depiction_ : [[self source] depictionForPackage:id_];
2735 }
2736
2737 - (MIMEAddress *) sponsor {
2738     return parsed_ == NULL || parsed_->sponsor_.empty() ? nil : [MIMEAddress addressWithString:parsed_->sponsor_];
2739 }
2740
2741 - (MIMEAddress *) author {
2742     return parsed_ == NULL || parsed_->author_.empty() ? nil : [MIMEAddress addressWithString:parsed_->author_];
2743 }
2744
2745 - (NSString *) support {
2746     return parsed_ != NULL && !parsed_->bugs_.empty() ? parsed_->bugs_ : [[self source] supportForPackage:id_];
2747 }
2748
2749 - (NSArray *) files {
2750     NSString *path = [NSString stringWithFormat:@"/var/lib/dpkg/info/%@.list", static_cast<NSString *>(id_)];
2751     NSMutableArray *files = [NSMutableArray arrayWithCapacity:128];
2752
2753     std::ifstream fin;
2754     fin.open([path UTF8String]);
2755     if (!fin.is_open())
2756         return nil;
2757
2758     std::string line;
2759     while (std::getline(fin, line))
2760         [files addObject:[NSString stringWithUTF8String:line.c_str()]];
2761
2762     return files;
2763 }
2764
2765 - (NSString *) state {
2766 @synchronized (database_) {
2767     if ([database_ era] != era_ || file_.end())
2768         return nil;
2769
2770     switch (iterator_->CurrentState) {
2771         case pkgCache::State::NotInstalled:
2772             return @"NotInstalled";
2773         case pkgCache::State::UnPacked:
2774             return @"UnPacked";
2775         case pkgCache::State::HalfConfigured:
2776             return @"HalfConfigured";
2777         case pkgCache::State::HalfInstalled:
2778             return @"HalfInstalled";
2779         case pkgCache::State::ConfigFiles:
2780             return @"ConfigFiles";
2781         case pkgCache::State::Installed:
2782             return @"Installed";
2783         case pkgCache::State::TriggersAwaited:
2784             return @"TriggersAwaited";
2785         case pkgCache::State::TriggersPending:
2786             return @"TriggersPending";
2787     }
2788
2789     return (NSString *) [NSNull null];
2790 } }
2791
2792 - (NSString *) selection {
2793 @synchronized (database_) {
2794     if ([database_ era] != era_ || file_.end())
2795         return nil;
2796
2797     switch (iterator_->SelectedState) {
2798         case pkgCache::State::Unknown:
2799             return @"Unknown";
2800         case pkgCache::State::Install:
2801             return @"Install";
2802         case pkgCache::State::Hold:
2803             return @"Hold";
2804         case pkgCache::State::DeInstall:
2805             return @"DeInstall";
2806         case pkgCache::State::Purge:
2807             return @"Purge";
2808     }
2809
2810     return (NSString *) [NSNull null];
2811 } }
2812
2813 - (NSArray *) warnings {
2814     NSMutableArray *warnings([NSMutableArray arrayWithCapacity:4]);
2815     const char *name(iterator_.Name());
2816
2817     size_t length(strlen(name));
2818     if (length < 2) invalid:
2819         [warnings addObject:UCLocalize("ILLEGAL_PACKAGE_IDENTIFIER")];
2820     else for (size_t i(0); i != length; ++i)
2821         if (
2822             /* XXX: technically this is not allowed */
2823             (name[i] < 'A' || name[i] > 'Z') &&
2824             (name[i] < 'a' || name[i] > 'z') &&
2825             (name[i] < '0' || name[i] > '9') &&
2826             (i == 0 || name[i] != '+' && name[i] != '-' && name[i] != '.')
2827         ) goto invalid;
2828
2829     if (strcmp(name, "cydia") != 0) {
2830         bool cydia = false;
2831         bool user = false;
2832         bool _private = false;
2833         bool stash = false;
2834
2835         bool repository = [[self section] isEqualToString:@"Repositories"];
2836
2837         if (NSArray *files = [self files])
2838             for (NSString *file in files)
2839                 if (!cydia && [file isEqualToString:@"/Applications/Cydia.app"])
2840                     cydia = true;
2841                 else if (!user && [file isEqualToString:@"/User"])
2842                     user = true;
2843                 else if (!_private && [file isEqualToString:@"/private"])
2844                     _private = true;
2845                 else if (!stash && [file isEqualToString:@"/var/stash"])
2846                     stash = true;
2847
2848         /* XXX: this is not sensitive enough. only some folders are valid. */
2849         if (cydia && !repository)
2850             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"Cydia.app"]];
2851         if (user)
2852             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/User"]];
2853         if (_private)
2854             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/private"]];
2855         if (stash)
2856             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/var/stash"]];
2857     }
2858
2859     return [warnings count] == 0 ? nil : warnings;
2860 }
2861
2862 - (NSArray *) applications {
2863     NSString *me([[NSBundle mainBundle] bundleIdentifier]);
2864
2865     NSMutableArray *applications([NSMutableArray arrayWithCapacity:2]);
2866
2867     static Pcre application_r("^/Applications/(.*)\\.app/Info.plist$");
2868     if (NSArray *files = [self files])
2869         for (NSString *file in files)
2870             if (application_r(file)) {
2871                 NSDictionary *info([NSDictionary dictionaryWithContentsOfFile:file]);
2872                 NSString *id([info objectForKey:@"CFBundleIdentifier"]);
2873                 if ([id isEqualToString:me])
2874                     continue;
2875
2876                 NSString *display([info objectForKey:@"CFBundleDisplayName"]);
2877                 if (display == nil)
2878                     display = application_r[1];
2879
2880                 NSString *bundle([file stringByDeletingLastPathComponent]);
2881                 NSString *icon([info objectForKey:@"CFBundleIconFile"]);
2882                 if (icon == nil || [icon length] == 0)
2883                     icon = @"icon.png";
2884                 NSURL *url([NSURL fileURLWithPath:[bundle stringByAppendingPathComponent:icon]]);
2885
2886                 NSMutableArray *application([NSMutableArray arrayWithCapacity:2]);
2887                 [applications addObject:application];
2888
2889                 [application addObject:id];
2890                 [application addObject:display];
2891                 [application addObject:url];
2892             }
2893
2894     return [applications count] == 0 ? nil : applications;
2895 }
2896
2897 - (Source *) source {
2898     if (source_ == nil) {
2899         @synchronized (database_) {
2900             if ([database_ era] != era_ || file_.end())
2901                 source_ = (Source *) [NSNull null];
2902             else
2903                 source_ = [database_ getSource:file_.File()] ?: (Source *) [NSNull null];
2904         }
2905     }
2906
2907     return source_ == (Source *) [NSNull null] ? nil : source_;
2908 }
2909
2910 - (uint32_t) rank {
2911     return rank_;
2912 }
2913
2914 - (BOOL) matches:(NSArray *)query {
2915     if (query == nil || [query count] == 0)
2916         return NO;
2917
2918     rank_ = 0;
2919
2920     NSString *string;
2921     NSRange range;
2922     NSUInteger length;
2923
2924     string = [self name];
2925     length = [string length];
2926
2927     for (NSString *term in query) {
2928         range = [string rangeOfString:term options:MatchCompareOptions_];
2929         if (range.location != NSNotFound)
2930             rank_ -= 6 * 1000000 / length;
2931     }
2932
2933     if (rank_ == 0) {
2934         string = [self id];
2935         length = [string length];
2936
2937         for (NSString *term in query) {
2938             range = [string rangeOfString:term options:MatchCompareOptions_];
2939             if (range.location != NSNotFound)
2940                 rank_ -= 6 * 1000000 / length;
2941         }
2942     }
2943
2944     string = [self shortDescription];
2945     length = [string length];
2946     NSUInteger stop(std::min<NSUInteger>(length, 200));
2947
2948     for (NSString *term in query) {
2949         range = [string rangeOfString:term options:MatchCompareOptions_ range:NSMakeRange(0, stop)];
2950         if (range.location != NSNotFound)
2951             rank_ -= 2 * 100000;
2952     }
2953
2954     return rank_ != 0;
2955 }
2956
2957 - (bool) hasSupportingRole {
2958     if (role_ == 0)
2959         return true;
2960     if (role_ == 1)
2961         return true;
2962     if ([Role_ isEqualToString:@"User"])
2963         return false;
2964     if (role_ == 2)
2965         return true;
2966     if ([Role_ isEqualToString:@"Hacker"])
2967         return false;
2968     if (role_ == 3)
2969         return true;
2970     if ([Role_ isEqualToString:@"Developer"])
2971         return false;
2972     _assert(false);
2973 }
2974
2975 - (NSArray *) tags {
2976     return tags_;
2977 }
2978
2979 - (BOOL) hasTag:(NSString *)tag {
2980     return tags_ == nil ? NO : [tags_ containsObject:tag];
2981 }
2982
2983 - (NSString *) primaryPurpose {
2984     for (NSString *tag in (NSArray *) tags_)
2985         if ([tag hasPrefix:@"purpose::"])
2986             return [tag substringFromIndex:9];
2987     return nil;
2988 }
2989
2990 - (NSArray *) purposes {
2991     NSMutableArray *purposes([NSMutableArray arrayWithCapacity:2]);
2992     for (NSString *tag in (NSArray *) tags_)
2993         if ([tag hasPrefix:@"purpose::"])
2994             [purposes addObject:[tag substringFromIndex:9]];
2995     return [purposes count] == 0 ? nil : purposes;
2996 }
2997
2998 - (bool) isCommercial {
2999     return [self hasTag:@"cydia::commercial"];
3000 }
3001
3002 - (void) setIndex:(size_t)index {
3003     if (metadata_->index_ != index)
3004         metadata_->index_ = index;
3005 }
3006
3007 - (CYString &) cyname {
3008     return name_.empty() ? id_ : name_;
3009 }
3010
3011 - (uint32_t) compareBySection:(NSArray *)sections {
3012     NSString *section([self section]);
3013     for (size_t i(0), e([sections count]); i != e; ++i) {
3014         if ([section isEqualToString:[[sections objectAtIndex:i] name]])
3015             return i;
3016     }
3017
3018     return _not(uint32_t);
3019 }
3020
3021 - (void) clear {
3022 @synchronized (database_) {
3023     pkgProblemResolver *resolver = [database_ resolver];
3024     resolver->Clear(iterator_);
3025
3026     pkgCacheFile &cache([database_ cache]);
3027     cache->SetReInstall(iterator_, false);
3028     cache->MarkKeep(iterator_, false);
3029 } }
3030
3031 - (void) install {
3032 @synchronized (database_) {
3033     pkgProblemResolver *resolver = [database_ resolver];
3034     resolver->Clear(iterator_);
3035     resolver->Protect(iterator_);
3036
3037     pkgCacheFile &cache([database_ cache]);
3038     cache->SetReInstall(iterator_, false);
3039     cache->MarkInstall(iterator_, false);
3040
3041     pkgDepCache::StateCache &state((*cache)[iterator_]);
3042     if (!state.Install())
3043         cache->SetReInstall(iterator_, true);
3044 } }
3045
3046 - (void) remove {
3047 @synchronized (database_) {
3048     pkgProblemResolver *resolver = [database_ resolver];
3049     resolver->Clear(iterator_);
3050     resolver->Remove(iterator_);
3051     resolver->Protect(iterator_);
3052
3053     pkgCacheFile &cache([database_ cache]);
3054     cache->SetReInstall(iterator_, false);
3055     cache->MarkDelete(iterator_, true);
3056 } }
3057
3058 - (bool) isUnfilteredAndSearchedForBy:(NSArray *)query {
3059     _profile(Package$isUnfilteredAndSearchedForBy)
3060         bool value(true);
3061
3062         _profile(Package$isUnfilteredAndSearchedForBy$Unfiltered)
3063             value &= [self unfiltered];
3064         _end
3065
3066         _profile(Package$isUnfilteredAndSearchedForBy$Match)
3067             value &= [self matches:query];
3068         _end
3069
3070         return value;
3071     _end
3072 }
3073
3074 - (bool) isUnfilteredAndSelectedForBy:(NSString *)search {
3075     if ([search length] == 0)
3076         return false;
3077
3078     _profile(Package$isUnfilteredAndSelectedForBy)
3079         bool value(true);
3080
3081         _profile(Package$isUnfilteredAndSelectedForBy$Unfiltered)
3082             value &= [self unfiltered];
3083         _end
3084
3085         _profile(Package$isUnfilteredAndSelectedForBy$Match)
3086             value &= [[self name] compare:search options:MatchCompareOptions_ range:NSMakeRange(0, [search length])] == NSOrderedSame;
3087         _end
3088
3089         return value;
3090     _end
3091 }
3092
3093 - (bool) isInstalledAndUnfiltered:(NSNumber *)number {
3094     return ![self uninstalled] && (![number boolValue] && role_ != 7 || [self unfiltered]);
3095 }
3096
3097 - (bool) isVisibleInSection:(NSString *)name {
3098     NSString *section([self section]);
3099
3100     return (
3101         name == nil ||
3102         section == nil && [name length] == 0 ||
3103         [name isEqualToString:section]
3104     ) && [self visible];
3105 }
3106
3107 - (bool) isVisibleInSource:(Source *)source {
3108     return [self source] == source && [self visible];
3109 }
3110
3111 @end
3112 /* }}} */
3113 /* Section Class {{{ */
3114 @interface Section : NSObject {
3115     _H<NSString> name_;
3116     unichar index_;
3117     size_t row_;
3118     size_t count_;
3119     _H<NSString> localized_;
3120 }
3121
3122 - (NSComparisonResult) compareByLocalized:(Section *)section;
3123 - (Section *) initWithName:(NSString *)name localized:(NSString *)localized;
3124 - (Section *) initWithName:(NSString *)name localize:(BOOL)localize;
3125 - (Section *) initWithName:(NSString *)name row:(size_t)row localize:(BOOL)localize;
3126 - (Section *) initWithIndex:(unichar)index row:(size_t)row;
3127 - (NSString *) name;
3128 - (unichar) index;
3129
3130 - (size_t) row;
3131 - (size_t) count;
3132
3133 - (void) addToRow;
3134 - (void) addToCount;
3135
3136 - (void) setCount:(size_t)count;
3137 - (NSString *) localized;
3138
3139 @end
3140
3141 @implementation Section
3142
3143 - (NSComparisonResult) compareByLocalized:(Section *)section {
3144     NSString *lhs(localized_);
3145     NSString *rhs([section localized]);
3146
3147     /*if ([lhs length] != 0 && [rhs length] != 0) {
3148         unichar lhc = [lhs characterAtIndex:0];
3149         unichar rhc = [rhs characterAtIndex:0];
3150
3151         if (isalpha(lhc) && !isalpha(rhc))
3152             return NSOrderedAscending;
3153         else if (!isalpha(lhc) && isalpha(rhc))
3154             return NSOrderedDescending;
3155     }*/
3156
3157     return [lhs compare:rhs options:LaxCompareOptions_];
3158 }
3159
3160 - (Section *) initWithName:(NSString *)name localized:(NSString *)localized {
3161     if ((self = [self initWithName:name localize:NO]) != nil) {
3162         if (localized != nil)
3163             localized_ = localized;
3164     } return self;
3165 }
3166
3167 - (Section *) initWithName:(NSString *)name localize:(BOOL)localize {
3168     return [self initWithName:name row:0 localize:localize];
3169 }
3170
3171 - (Section *) initWithName:(NSString *)name row:(size_t)row localize:(BOOL)localize {
3172     if ((self = [super init]) != nil) {
3173         name_ = name;
3174         index_ = '\0';
3175         row_ = row;
3176         if (localize)
3177             localized_ = LocalizeSection(name_);
3178     } return self;
3179 }
3180
3181 /* XXX: localize the index thingees */
3182 - (Section *) initWithIndex:(unichar)index row:(size_t)row {
3183     if ((self = [super init]) != nil) {
3184         name_ = [NSString stringWithCharacters:&index length:1];
3185         index_ = index;
3186         row_ = row;
3187     } return self;
3188 }
3189
3190 - (NSString *) name {
3191     return name_;
3192 }
3193
3194 - (unichar) index {
3195     return index_;
3196 }
3197
3198 - (size_t) row {
3199     return row_;
3200 }
3201
3202 - (size_t) count {
3203     return count_;
3204 }
3205
3206 - (void) addToRow {
3207     ++row_;
3208 }
3209
3210 - (void) addToCount {
3211     ++count_;
3212 }
3213
3214 - (void) setCount:(size_t)count {
3215     count_ = count;
3216 }
3217
3218 - (NSString *) localized {
3219     return localized_;
3220 }
3221
3222 @end
3223 /* }}} */
3224
3225 class CydiaLogCleaner :
3226     public pkgArchiveCleaner
3227 {
3228   protected:
3229     virtual void Erase(const char *File, std::string Pkg, std::string Ver, struct stat &St) {
3230         unlink(File);
3231     }
3232 };
3233
3234 /* Database Implementation {{{ */
3235 @implementation Database
3236
3237 + (Database *) sharedInstance {
3238     static _H<Database> instance;
3239     if (instance == nil)
3240         instance = [[[Database alloc] init] autorelease];
3241     return instance;
3242 }
3243
3244 - (unsigned) era {
3245     return era_;
3246 }
3247
3248 - (void) releasePackages {
3249     CFArrayApplyFunction(packages_, CFRangeMake(0, CFArrayGetCount(packages_)), reinterpret_cast<CFArrayApplierFunction>(&CFRelease), NULL);
3250     CFArrayRemoveAllValues(packages_);
3251 }
3252
3253 - (void) dealloc {
3254     // XXX: actually implement this thing
3255     _assert(false);
3256     [self releasePackages];
3257     apr_pool_destroy(pool_);
3258     NSRecycleZone(zone_);
3259     [super dealloc];
3260 }
3261
3262 - (void) _readCydia:(NSNumber *)fd {
3263     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3264     std::istream is(&ib);
3265     std::string line;
3266
3267     static Pcre finish_r("^finish:([^:]*)$");
3268
3269     while (std::getline(is, line)) {
3270         NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
3271
3272         const char *data(line.c_str());
3273         size_t size = line.size();
3274         lprintf("C:%s\n", data);
3275
3276         if (finish_r(data, size)) {
3277             NSString *finish = finish_r[1];
3278             int index = [Finishes_ indexOfObject:finish];
3279             if (index != INT_MAX && index > Finish_)
3280                 Finish_ = index;
3281         }
3282
3283         [pool release];
3284     }
3285
3286     _assume(false);
3287 }
3288
3289 - (void) _readStatus:(NSNumber *)fd {
3290     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3291     std::istream is(&ib);
3292     std::string line;
3293
3294     static Pcre conffile_r("^status: [^ ]* : conffile-prompt : (.*?) *$");
3295     static Pcre pmstatus_r("^([^:]*):([^:]*):([^:]*):(.*)$");
3296
3297     while (std::getline(is, line)) {
3298         NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
3299
3300         const char *data(line.c_str());
3301         size_t size(line.size());
3302         lprintf("S:%s\n", data);
3303
3304         if (conffile_r(data, size)) {
3305             // status: /fail : conffile-prompt : '/fail' '/fail.dpkg-new' 1 1
3306             [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:conffile_r[1] waitUntilDone:YES];
3307         } else if (strncmp(data, "status: ", 8) == 0) {
3308             // status: <package>: {unpacked,half-configured,installed}
3309             CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:(data + 8)] ofType:kCydiaProgressEventTypeStatus]);
3310             [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3311         } else if (strncmp(data, "processing: ", 12) == 0) {
3312             // processing: configure: config-test
3313             CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:(data + 12)] ofType:kCydiaProgressEventTypeStatus]);
3314             [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3315         } else if (pmstatus_r(data, size)) {
3316             std::string type([pmstatus_r[1] UTF8String]);
3317
3318             NSString *package = pmstatus_r[2];
3319             if ([package isEqualToString:@"dpkg-exec"])
3320                 package = nil;
3321
3322             float percent([pmstatus_r[3] floatValue]);
3323             [progress_ performSelectorOnMainThread:@selector(setProgressPercent:) withObject:[NSNumber numberWithFloat:(percent / 100)] waitUntilDone:YES];
3324
3325             NSString *string = pmstatus_r[4];
3326
3327             if (type == "pmerror") {
3328                 CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:kCydiaProgressEventTypeError forPackage:package]);
3329                 [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3330             } else if (type == "pmstatus") {
3331                 CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:kCydiaProgressEventTypeStatus forPackage:package]);
3332                 [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3333             } else if (type == "pmconffile")
3334                 [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:string waitUntilDone:YES];
3335             else
3336                 lprintf("E:unknown pmstatus\n");
3337         } else
3338             lprintf("E:unknown status\n");
3339
3340         [pool release];
3341     }
3342
3343     _assume(false);
3344 }
3345
3346 - (void) _readOutput:(NSNumber *)fd {
3347     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3348     std::istream is(&ib);
3349     std::string line;
3350
3351     while (std::getline(is, line)) {
3352         NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
3353
3354         lprintf("O:%s\n", line.c_str());
3355
3356         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:line.c_str()] ofType:kCydiaProgressEventTypeInformation]);
3357         [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3358
3359         [pool release];
3360     }
3361
3362     _assume(false);
3363 }
3364
3365 - (FILE *) input {
3366     return input_;
3367 }
3368
3369 - (Package *) packageWithName:(NSString *)name {
3370     if (name == nil)
3371         return nil;
3372 @synchronized (self) {
3373     if (static_cast<pkgDepCache *>(cache_) == NULL)
3374         return nil;
3375     pkgCache::PkgIterator iterator(cache_->FindPkg([name UTF8String]));
3376     return iterator.end() ? nil : [Package packageWithIterator:iterator withZone:NULL inPool:NULL database:self];
3377 } }
3378
3379 - (id) init {
3380     if ((self = [super init]) != nil) {
3381         policy_ = NULL;
3382         records_ = NULL;
3383         resolver_ = NULL;
3384         fetcher_ = NULL;
3385         lock_ = NULL;
3386
3387         zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
3388         apr_pool_create(&pool_, NULL);
3389
3390         size_t capacity(MetaFile_->active_);
3391         if (capacity == 0)
3392             capacity = 16384;
3393         else
3394             capacity += 1024;
3395
3396         packages_ = CFArrayCreateMutable(kCFAllocatorDefault, capacity, NULL);
3397         sourceList_ = [NSMutableArray arrayWithCapacity:16];
3398
3399         int fds[2];
3400
3401         _assert(pipe(fds) != -1);
3402         cydiafd_ = fds[1];
3403
3404         _config->Set("APT::Keep-Fds::", cydiafd_);
3405         setenv("CYDIA", [[[[NSNumber numberWithInt:cydiafd_] stringValue] stringByAppendingString:@" 1"] UTF8String], _not(int));
3406
3407         [NSThread
3408             detachNewThreadSelector:@selector(_readCydia:)
3409             toTarget:self
3410             withObject:[NSNumber numberWithInt:fds[0]]
3411         ];
3412
3413         _assert(pipe(fds) != -1);
3414         statusfd_ = fds[1];
3415
3416         [NSThread
3417             detachNewThreadSelector:@selector(_readStatus:)
3418             toTarget:self
3419             withObject:[NSNumber numberWithInt:fds[0]]
3420         ];
3421
3422         _assert(pipe(fds) != -1);
3423         _assert(dup2(fds[0], 0) != -1);
3424         _assert(close(fds[0]) != -1);
3425
3426         input_ = fdopen(fds[1], "a");
3427
3428         _assert(pipe(fds) != -1);
3429         _assert(dup2(fds[1], 1) != -1);
3430         _assert(close(fds[1]) != -1);
3431
3432         [NSThread
3433             detachNewThreadSelector:@selector(_readOutput:)
3434             toTarget:self
3435             withObject:[NSNumber numberWithInt:fds[0]]
3436         ];
3437     } return self;
3438 }
3439
3440 - (pkgCacheFile &) cache {
3441     return cache_;
3442 }
3443
3444 - (pkgDepCache::Policy *) policy {
3445     return policy_;
3446 }
3447
3448 - (pkgRecords *) records {
3449     return records_;
3450 }
3451
3452 - (pkgProblemResolver *) resolver {
3453     return resolver_;
3454 }
3455
3456 - (pkgAcquire &) fetcher {
3457     return *fetcher_;
3458 }
3459
3460 - (pkgSourceList &) list {
3461     return *list_;
3462 }
3463
3464 - (NSArray *) packages {
3465     return (NSArray *) packages_;
3466 }
3467
3468 - (NSArray *) sources {
3469     return sourceList_;
3470 }
3471
3472 - (Source *) sourceWithKey:(NSString *)key {
3473     for (Source *source in [self sources]) {
3474         if ([[source key] isEqualToString:key])
3475             return source;
3476     } return nil;
3477 }
3478
3479 - (bool) popErrorWithTitle:(NSString *)title {
3480     bool fatal(false);
3481
3482     while (!_error->empty()) {
3483         std::string error;
3484         bool warning(!_error->PopMessage(error));
3485         if (!warning)
3486             fatal = true;
3487
3488         for (;;) {
3489             size_t size(error.size());
3490             if (size == 0 || error[size - 1] != '\n')
3491                 break;
3492             error.resize(size - 1);
3493         }
3494
3495         lprintf("%c:[%s]\n", warning ? 'W' : 'E', error.c_str());
3496
3497         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? kCydiaProgressEventTypeWarning : kCydiaProgressEventTypeError)] forTask:title];
3498     }
3499
3500     return fatal;
3501 }
3502
3503 - (bool) popErrorWithTitle:(NSString *)title forOperation:(bool)success {
3504     return [self popErrorWithTitle:title] || !success;
3505 }
3506
3507 - (void) reloadDataWithInvocation:(NSInvocation *)invocation {
3508 @synchronized (self) {
3509     ++era_;
3510
3511     [self releasePackages];
3512
3513     sourceMap_.clear();
3514     [sourceList_ removeAllObjects];
3515
3516     _error->Discard();
3517
3518     delete list_;
3519     list_ = NULL;
3520     manager_ = NULL;
3521     delete lock_;
3522     lock_ = NULL;
3523     delete fetcher_;
3524     fetcher_ = NULL;
3525     delete resolver_;
3526     resolver_ = NULL;
3527     delete records_;
3528     records_ = NULL;
3529     delete policy_;
3530     policy_ = NULL;
3531
3532     cache_.Close();
3533
3534     apr_pool_clear(pool_);
3535
3536     NSRecycleZone(zone_);
3537     zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
3538
3539     int chk(creat("/tmp/cydia.chk", 0644));
3540     if (chk != -1)
3541         close(chk);
3542
3543     if (invocation != nil)
3544         [invocation invoke];
3545
3546     NSString *title(UCLocalize("DATABASE"));
3547
3548     _trace();
3549     OpProgress progress;
3550     while (!cache_.Open(progress, true)) { pop:
3551         std::string error;
3552         bool warning(!_error->PopMessage(error));
3553         lprintf("cache_.Open():[%s]\n", error.c_str());
3554
3555         if (error == "dpkg was interrupted, you must manually run 'dpkg --configure -a' to correct the problem. ")
3556             [delegate_ repairWithSelector:@selector(configure)];
3557         else if (error == "The package lists or status file could not be parsed or opened.")
3558             [delegate_ repairWithSelector:@selector(update)];
3559         // else if (error == "Could not get lock /var/lib/dpkg/lock - open (35 Resource temporarily unavailable)")
3560         // else if (error == "Could not open lock file /var/lib/dpkg/lock - open (13 Permission denied)")
3561         // else if (error == "Malformed Status line")
3562         // else if (error == "The list of sources could not be read.")
3563         else {
3564             [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? kCydiaProgressEventTypeWarning : kCydiaProgressEventTypeError)] forTask:title];
3565             return;
3566         }
3567
3568         if (warning)
3569             goto pop;
3570         _error->Discard();
3571     }
3572     _trace();
3573
3574     unlink("/tmp/cydia.chk");
3575
3576     now_ = [[NSDate date] timeIntervalSince1970];
3577
3578     policy_ = new pkgDepCache::Policy();
3579     records_ = new pkgRecords(cache_);
3580     resolver_ = new pkgProblemResolver(cache_);
3581     fetcher_ = new pkgAcquire(&status_);
3582     lock_ = NULL;
3583
3584     list_ = new pkgSourceList();
3585     if ([self popErrorWithTitle:title forOperation:list_->ReadMainList()])
3586         return;
3587
3588     if (cache_->DelCount() != 0 || cache_->InstCount() != 0) {
3589         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("COUNTS_NONZERO_EX") ofType:kCydiaProgressEventTypeError] forTask:title];
3590         return;
3591     }
3592
3593     if ([self popErrorWithTitle:title forOperation:pkgApplyStatus(cache_)])
3594         return;
3595
3596     if (cache_->BrokenCount() != 0) {
3597         if ([self popErrorWithTitle:title forOperation:pkgFixBroken(cache_)])
3598             return;
3599
3600         if (cache_->BrokenCount() != 0) {
3601             [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("STILL_BROKEN_EX") ofType:kCydiaProgressEventTypeError] forTask:title];
3602             return;
3603         }
3604
3605         if ([self popErrorWithTitle:title forOperation:pkgMinimizeUpgrade(cache_)])
3606             return;
3607     }
3608
3609     for (pkgSourceList::const_iterator source = list_->begin(); source != list_->end(); ++source) {
3610         Source *object([[[Source alloc] initWithMetaIndex:*source forDatabase:self inPool:pool_] autorelease]);
3611         [sourceList_ addObject:object];
3612
3613         std::vector<pkgIndexFile *> *indices = (*source)->GetIndexFiles();
3614         for (std::vector<pkgIndexFile *>::const_iterator index = indices->begin(); index != indices->end(); ++index)
3615             // XXX: this could be more intelligent
3616             if (dynamic_cast<debPackagesIndex *>(*index) != NULL) {
3617                 pkgCache::PkgFileIterator cached((*index)->FindInCache(cache_));
3618                 if (!cached.end())
3619                     sourceMap_[cached->ID] = object;
3620             }
3621     }
3622
3623     {
3624         /*std::vector<Package *> packages;
3625         packages.reserve(std::max(10000U, [packages_ count] + 1000));
3626         packages_ = nil;*/
3627
3628         _trace();
3629
3630         for (pkgCache::PkgIterator iterator = cache_->PkgBegin(); !iterator.end(); ++iterator)
3631             if (Package *package = [Package packageWithIterator:iterator withZone:zone_ inPool:pool_ database:self])
3632                 //packages.push_back(package);
3633                 CFArrayAppendValue(packages_, CFRetain(package));
3634
3635         _trace();
3636
3637         /*if (packages.empty())
3638             packages_ = [[NSArray alloc] init];
3639         else
3640             packages_ = [[NSArray alloc] initWithObjects:&packages.front() count:packages.size()];
3641         _trace();*/
3642
3643         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<MenesRadixSortFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(16)];
3644         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<MenesRadixSortFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(4)];
3645         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<MenesRadixSortFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(0)];
3646
3647         /*_trace();
3648         PrintTimes();
3649         _trace();*/
3650
3651         _trace();
3652
3653         /*if (!packages.empty())
3654             CFQSortArray(&packages.front(), packages.size(), sizeof(packages.front()), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare_), NULL);*/
3655         //std::sort(packages.begin(), packages.end(), PackageNameOrdering());
3656
3657         //CFArraySortValues((CFMutableArrayRef) packages_, CFRangeMake(0, [packages_ count]), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare), NULL);
3658
3659         CFArrayInsertionSortValues(packages_, CFRangeMake(0, CFArrayGetCount(packages_)), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare), NULL);
3660
3661         //[packages_ sortUsingFunction:reinterpret_cast<NSComparisonResult (*)(id, id, void *)>(&PackageNameCompare) context:NULL];
3662
3663         _trace();
3664
3665         size_t count(CFArrayGetCount(packages_));
3666         MetaFile_->active_ = count;
3667
3668         for (size_t index(0); index != count; ++index)
3669             [(Package *) CFArrayGetValueAtIndex(packages_, index) setIndex:index];
3670
3671         _trace();
3672     }
3673 } }
3674
3675 - (void) clear {
3676 @synchronized (self) {
3677     delete resolver_;
3678     resolver_ = new pkgProblemResolver(cache_);
3679
3680     for (pkgCache::PkgIterator iterator(cache_->PkgBegin()); !iterator.end(); ++iterator)
3681         if (!cache_[iterator].Keep())
3682             cache_->MarkKeep(iterator, false);
3683         else if ((cache_[iterator].iFlags & pkgDepCache::ReInstall) != 0)
3684             cache_->SetReInstall(iterator, false);
3685 } }
3686
3687 - (void) configure {
3688     NSString *dpkg = [NSString stringWithFormat:@"dpkg --configure -a --status-fd %u", statusfd_];
3689     _trace();
3690     system([dpkg UTF8String]);
3691     _trace();
3692 }
3693
3694 - (bool) clean {
3695     // XXX: I don't remember this condition
3696     if (lock_ != NULL)
3697         return false;
3698
3699     FileFd Lock;
3700     Lock.Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
3701
3702     NSString *title(UCLocalize("CLEAN_ARCHIVES"));
3703
3704     if ([self popErrorWithTitle:title])
3705         return false;
3706
3707     pkgAcquire fetcher;
3708     fetcher.Clean(_config->FindDir("Dir::Cache::Archives"));
3709
3710     CydiaLogCleaner cleaner;
3711     if ([self popErrorWithTitle:title forOperation:cleaner.Go(_config->FindDir("Dir::Cache::Archives") + "partial/", cache_)])
3712         return false;
3713
3714     return true;
3715 }
3716
3717 - (bool) prepare {
3718     fetcher_->Shutdown();
3719
3720     pkgRecords records(cache_);
3721
3722     lock_ = new FileFd();
3723     lock_->Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
3724
3725     NSString *title(UCLocalize("PREPARE_ARCHIVES"));
3726
3727     if ([self popErrorWithTitle:title])
3728         return false;
3729
3730     pkgSourceList list;
3731     if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3732         return false;
3733
3734     manager_ = (_system->CreatePM(cache_));
3735     if ([self popErrorWithTitle:title forOperation:manager_->GetArchives(fetcher_, &list, &records)])
3736         return false;
3737
3738     return true;
3739 }
3740
3741 - (void) perform {
3742     bool substrate(RestartSubstrate_);
3743     RestartSubstrate_ = false;
3744
3745     NSString *title(UCLocalize("PERFORM_SELECTIONS"));
3746
3747     NSMutableArray *before = [NSMutableArray arrayWithCapacity:16]; {
3748         pkgSourceList list;
3749         if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3750             return;
3751         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
3752             [before addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
3753     }
3754
3755     [delegate_ performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3756
3757     if (fetcher_->Run(PulseInterval_) != pkgAcquire::Continue) {
3758         _trace();
3759         [self popErrorWithTitle:title];
3760         return;
3761     }
3762
3763     bool failed = false;
3764     for (pkgAcquire::ItemIterator item = fetcher_->ItemsBegin(); item != fetcher_->ItemsEnd(); item++) {
3765         if ((*item)->Status == pkgAcquire::Item::StatDone && (*item)->Complete)
3766             continue;
3767         if ((*item)->Status == pkgAcquire::Item::StatIdle)
3768             continue;
3769
3770         failed = true;
3771     }
3772
3773     [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3774
3775     if (failed) {
3776         _trace();
3777         return;
3778     }
3779
3780     if (substrate)
3781         RestartSubstrate_ = true;
3782
3783     _system->UnLock();
3784     pkgPackageManager::OrderResult result = manager_->DoInstall(statusfd_);
3785
3786     if (_error->PendingError()) {
3787         _trace();
3788         return;
3789     }
3790
3791     if (result == pkgPackageManager::Failed) {
3792         _trace();
3793         return;
3794     }
3795
3796     if (result != pkgPackageManager::Completed) {
3797         _trace();
3798         return;
3799     }
3800
3801     NSMutableArray *after = [NSMutableArray arrayWithCapacity:16]; {
3802         pkgSourceList list;
3803         if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3804             return;
3805         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
3806             [after addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
3807     }
3808
3809     if (![before isEqualToArray:after])
3810         [self update];
3811 }
3812
3813 - (bool) upgrade {
3814     NSString *title(UCLocalize("UPGRADE"));
3815     if ([self popErrorWithTitle:title forOperation:pkgDistUpgrade(cache_)])
3816         return false;
3817     return true;
3818 }
3819
3820 - (void) update {
3821     [self updateWithStatus:status_];
3822 }
3823
3824 - (void) updateWithStatus:(Status &)status {
3825     NSString *title(UCLocalize("REFRESHING_DATA"));
3826
3827     pkgSourceList list;
3828     if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3829         return;
3830
3831     FileFd lock;
3832     lock.Fd(GetLock(_config->FindDir("Dir::State::Lists") + "lock"));
3833     if ([self popErrorWithTitle:title])
3834         return;
3835
3836     [delegate_ performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3837
3838     bool success(ListUpdate(status, list, PulseInterval_));
3839     if (status.WasCancelled())
3840         _error->Discard();
3841     else {
3842         [self popErrorWithTitle:title forOperation:success];
3843         [Metadata_ setObject:[NSDate date] forKey:@"LastUpdate"];
3844         Changed_ = true;
3845     }
3846
3847     [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3848 }
3849
3850 - (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate {
3851     delegate_ = delegate;
3852 }
3853
3854 - (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate {
3855     progress_ = delegate;
3856     status_.setDelegate(delegate);
3857 }
3858
3859 - (NSObject<ProgressDelegate> *) progressDelegate {
3860     return progress_;
3861 }
3862
3863 - (Source *) getSource:(pkgCache::PkgFileIterator)file {
3864     SourceMap::const_iterator i(sourceMap_.find(file->ID));
3865     return i == sourceMap_.end() ? nil : i->second;
3866 }
3867
3868 - (NSString *) mappedSectionForPointer:(const char *)section {
3869     _H<NSString> *mapped;
3870
3871     _profile(Database$mappedSectionForPointer$Cache)
3872         mapped = &sections_[section];
3873     _end
3874
3875     if (*mapped == NULL) {
3876         size_t length(strlen(section));
3877         char spaced[length + 1];
3878
3879         _profile(Database$mappedSectionForPointer$Replace)
3880             for (size_t index(0); index != length; ++index)
3881                 spaced[index] = section[index] == '_' ? ' ' : section[index];
3882             spaced[length] = '\0';
3883         _end
3884
3885         NSString *string;
3886
3887         _profile(Database$mappedSectionForPointer$stringWithUTF8String)
3888             string = [NSString stringWithUTF8String:spaced];
3889         _end
3890
3891         _profile(Database$mappedSectionForPointer$Map)
3892             string = [SectionMap_ objectForKey:string] ?: string;
3893         _end
3894
3895         *mapped = string;
3896     } return *mapped;
3897 }
3898
3899 @end
3900 /* }}} */
3901
3902 static _H<NSMutableSet> Diversions_;
3903
3904 @interface Diversion : NSObject {
3905     Pcre pattern_;
3906     _H<NSString> key_;
3907     _H<NSString> format_;
3908 }
3909
3910 @end
3911
3912 @implementation Diversion
3913
3914 - (id) initWithFrom:(NSString *)from to:(NSString *)to {
3915     if ((self = [super init]) != nil) {
3916         pattern_ = [from UTF8String];
3917         key_ = from;
3918         format_ = to;
3919     } return self;
3920 }
3921
3922 - (NSString *) divert:(NSString *)url {
3923     return !pattern_(url) ? nil : pattern_->*format_;
3924 }
3925
3926 + (NSURL *) divertURL:(NSURL *)url {
3927   divert:
3928     NSString *href([url absoluteString]);
3929
3930     for (Diversion *diversion in (id) Diversions_)
3931         if (NSString *diverted = [diversion divert:href]) {
3932 #if !ForRelease
3933             NSLog(@"div: %@", diverted);
3934 #endif
3935             url = [NSURL URLWithString:diverted];
3936             goto divert;
3937         }
3938
3939     return url;
3940 }
3941
3942 - (NSString *) key {
3943     return key_;
3944 }
3945
3946 - (NSUInteger) hash {
3947     return [key_ hash];
3948 }
3949
3950 - (BOOL) isEqual:(Diversion *)object {
3951     return self == object || [self class] == [object class] && [key_ isEqual:[object key]];
3952 }
3953
3954 @end
3955
3956 @interface CydiaObject : NSObject {
3957     _H<IndirectDelegate> indirect_;
3958     _transient id delegate_;
3959 }
3960
3961 - (id) initWithDelegate:(IndirectDelegate *)indirect;
3962
3963 @end
3964
3965 @interface CydiaWebViewController : CyteWebViewController {
3966     _H<CydiaObject> cydia_;
3967 }
3968
3969 + (void) addDiversion:(Diversion *)diversion;
3970
3971 @end
3972
3973 /* Web Scripting {{{ */
3974 @implementation CydiaObject
3975
3976 - (id) initWithDelegate:(IndirectDelegate *)indirect {
3977     if ((self = [super init]) != nil) {
3978         indirect_ = indirect;
3979     } return self;
3980 }
3981
3982 - (void) setDelegate:(id)delegate {
3983     delegate_ = delegate;
3984 }
3985
3986 + (NSArray *) _attributeKeys {
3987     return [NSArray arrayWithObjects:
3988         @"bbsnum",
3989         @"cydiaSource",
3990         @"device",
3991         @"ecid",
3992         @"firmware",
3993         @"hostname",
3994         @"idiom",
3995         @"model",
3996         @"plmn",
3997         @"role",
3998         @"serial",
3999         @"token",
4000         @"version",
4001     nil];
4002 }
4003
4004 - (NSArray *) attributeKeys {
4005     return [[self class] _attributeKeys];
4006 }
4007
4008 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
4009     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
4010 }
4011
4012 - (NSString *) version {
4013     return Cydia_;
4014 }
4015
4016 - (NSString *) device {
4017     return [[UIDevice currentDevice] uniqueIdentifier];
4018 }
4019
4020 - (NSString *) firmware {
4021     return [[UIDevice currentDevice] systemVersion];
4022 }
4023
4024 - (NSString *) hostname {
4025     return [[UIDevice currentDevice] name];
4026 }
4027
4028 - (NSString *) idiom {
4029     return (id) Idiom_ ?: [NSNull null];
4030 }
4031
4032 - (NSString *) plmn {
4033     return (id) PLMN_ ?: [NSNull null];
4034 }
4035
4036 - (NSString *) bbsnum {
4037     return (id) BBSNum_ ?: [NSNull null];
4038 }
4039
4040 - (NSString *) ecid {
4041     return (id) ChipID_ ?: [NSNull null];
4042 }
4043
4044 - (NSString *) serial {
4045     return SerialNumber_;
4046 }
4047
4048 - (NSString *) role {
4049     return (id) Role_ ?: [NSNull null];
4050 }
4051
4052 - (NSString *) model {
4053     return [NSString stringWithUTF8String:Machine_];
4054 }
4055
4056 - (NSString *) token {
4057     return (id) Token_ ?: [NSNull null];
4058 }
4059
4060 + (NSString *) webScriptNameForSelector:(SEL)selector {
4061     if (false);
4062     else if (selector == @selector(addBridgedHost:))
4063         return @"addBridgedHost";
4064     else if (selector == @selector(addInsecureHost:))
4065         return @"addInsecureHost";
4066     else if (selector == @selector(addInternalRedirect::))
4067         return @"addInternalRedirect";
4068     else if (selector == @selector(addPipelinedHost:scheme:))
4069         return @"addPipelinedHost";
4070     else if (selector == @selector(addSource:::))
4071         return @"addSource";
4072     else if (selector == @selector(addTokenHost:))
4073         return @"addTokenHost";
4074     else if (selector == @selector(addTrivialSource:))
4075         return @"addTrivialSource";
4076     else if (selector == @selector(close))
4077         return @"close";
4078     else if (selector == @selector(du:))
4079         return @"du";
4080     else if (selector == @selector(stringWithFormat:arguments:))
4081         return @"format";
4082     else if (selector == @selector(getAllSources))
4083         return @"getAllSourcs";
4084     else if (selector == @selector(getKernelNumber:))
4085         return @"getKernelNumber";
4086     else if (selector == @selector(getKernelString:))
4087         return @"getKernelString";
4088     else if (selector == @selector(getInstalledPackages))
4089         return @"getInstalledPackages";
4090     else if (selector == @selector(getIORegistryEntry::))
4091         return @"getIORegistryEntry";
4092     else if (selector == @selector(getLocaleIdentifier))
4093         return @"getLocaleIdentifier";
4094     else if (selector == @selector(getPreferredLanguages))
4095         return @"getPreferredLanguages";
4096     else if (selector == @selector(getPackageById:))
4097         return @"getPackageById";
4098     else if (selector == @selector(getMetadataKeys))
4099         return @"getMetadataKeys";
4100     else if (selector == @selector(getMetadataValue:))
4101         return @"getMetadataValue";
4102     else if (selector == @selector(getSessionValue:))
4103         return @"getSessionValue";
4104     else if (selector == @selector(installPackages:))
4105         return @"installPackages";
4106     else if (selector == @selector(localizedStringForKey:value:table:))
4107         return @"localize";
4108     else if (selector == @selector(popViewController:))
4109         return @"popViewController";
4110     else if (selector == @selector(refreshSources))
4111         return @"refreshSources";
4112     else if (selector == @selector(removeButton))
4113         return @"removeButton";
4114     else if (selector == @selector(saveConfig))
4115         return @"saveConfig";
4116     else if (selector == @selector(setCydiaSource:))
4117         return @"setCydiaSource";
4118     else if (selector == @selector(setMetadataValue::))
4119         return @"setMetadataValue";
4120     else if (selector == @selector(setSessionValue::))
4121         return @"setSessionValue";
4122     else if (selector == @selector(substitutePackageNames:))
4123         return @"substitutePackageNames";
4124     else if (selector == @selector(scrollToBottom:))
4125         return @"scrollToBottom";
4126     else if (selector == @selector(setAllowsNavigationAction:))
4127         return @"setAllowsNavigationAction";
4128     else if (selector == @selector(setBadgeValue:))
4129         return @"setBadgeValue";
4130     else if (selector == @selector(setButtonImage:withStyle:toFunction:))
4131         return @"setButtonImage";
4132     else if (selector == @selector(setButtonTitle:withStyle:toFunction:))
4133         return @"setButtonTitle";
4134     else if (selector == @selector(setHidesBackButton:))
4135         return @"setHidesBackButton";
4136     else if (selector == @selector(setHidesNavigationBar:))
4137         return @"setHidesNavigationBar";
4138     else if (selector == @selector(setNavigationBarStyle:))
4139         return @"setNavigationBarStyle";
4140     else if (selector == @selector(setNavigationBarTintRed:green:blue:alpha:))
4141         return @"setNavigationBarTintColor";
4142     else if (selector == @selector(setPasteboardString:))
4143         return @"setPasteboardString";
4144     else if (selector == @selector(setPasteboardURL:))
4145         return @"setPasteboardURL";
4146     else if (selector == @selector(setToken:))
4147         return @"setToken";
4148     else if (selector == @selector(setViewportWidth:))
4149         return @"setViewportWidth";
4150     else if (selector == @selector(statfs:))
4151         return @"statfs";
4152     else if (selector == @selector(supports:))
4153         return @"supports";
4154     else if (selector == @selector(unload))
4155         return @"unload";
4156     else
4157         return nil;
4158 }
4159
4160 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
4161     return [self webScriptNameForSelector:selector] == nil;
4162 }
4163
4164 - (BOOL) supports:(NSString *)feature {
4165     return [feature isEqualToString:@"window.open"];
4166 }
4167
4168 - (void) unload {
4169     [delegate_ performSelectorOnMainThread:@selector(unloadData) withObject:nil waitUntilDone:NO];
4170 }
4171
4172 - (void) addInternalRedirect:(NSString *)from :(NSString *)to {
4173     [CydiaWebViewController performSelectorOnMainThread:@selector(addDiversion:) withObject:[[[Diversion alloc] initWithFrom:from to:to] autorelease] waitUntilDone:NO];
4174 }
4175
4176 - (NSNumber *) getKernelNumber:(NSString *)name {
4177     const char *string([name UTF8String]);
4178
4179     size_t size;
4180     if (sysctlbyname(string, NULL, &size, NULL, 0) == -1)
4181         return (id) [NSNull null];
4182
4183     if (size != sizeof(int))
4184         return (id) [NSNull null];
4185
4186     int value;
4187     if (sysctlbyname(string, &value, &size, NULL, 0) == -1)
4188         return (id) [NSNull null];
4189
4190     return [NSNumber numberWithInt:value];
4191 }
4192
4193 - (NSString *) getKernelString:(NSString *)name {
4194     const char *string([name UTF8String]);
4195
4196     size_t size;
4197     if (sysctlbyname(string, NULL, &size, NULL, 0) == -1)
4198         return (id) [NSNull null];
4199
4200     char value[size + 1];
4201     if (sysctlbyname(string, value, &size, NULL, 0) == -1)
4202         return (id) [NSNull null];
4203
4204     // XXX: just in case you request something ludicrous
4205     value[size] = '\0';
4206
4207     return [NSString stringWithCString:value];
4208 }
4209
4210 - (NSObject *) getIORegistryEntry:(NSString *)path :(NSString *)entry {
4211     NSObject *value(CYIOGetValue([path UTF8String], entry));
4212
4213     if (value != nil)
4214         if ([value isKindOfClass:[NSData class]])
4215             value = CYHex((NSData *) value);
4216
4217     return value;
4218 }
4219
4220 - (void) _setCydiaSource:(NSString *)source {
4221     @synchronized (HostConfig_) {
4222         CydiaSource_ = source;
4223         [Metadata_ setObject:source forKey:@"CydiaSource"];
4224     }
4225
4226     Changed_ = true;
4227 }
4228
4229 - (void) setCydiaSource:(NSString *)source {
4230     [self performSelectorOnMainThread:@selector(_setCydiaSource:) withObject:source waitUntilDone:NO];
4231 }
4232
4233 - (NSString *) cydiaSource {
4234     @synchronized (HostConfig_) {
4235         return (id) CydiaSource_ ?: [NSNull null];
4236     }
4237 }
4238
4239 - (NSArray *) getMetadataKeys {
4240 @synchronized (Values_) {
4241     return [Values_ allKeys];
4242 } }
4243
4244 - (id) getMetadataValue:(NSString *)key {
4245 @synchronized (Values_) {
4246     return [Values_ objectForKey:key];
4247 } }
4248
4249 - (void) setMetadataValue:(NSString *)key :(NSString *)value {
4250 @synchronized (Values_) {
4251     if (value == nil || value == (id) [WebUndefined undefined] || value == (id) [NSNull null])
4252         [Values_ removeObjectForKey:key];
4253     else
4254         [Values_ setObject:value forKey:key];
4255
4256     [delegate_ performSelectorOnMainThread:@selector(updateValues) withObject:nil waitUntilDone:YES];
4257 } }
4258
4259 - (id) getSessionValue:(NSString *)key {
4260 @synchronized (SessionData_) {
4261     return [SessionData_ objectForKey:key];
4262 } }
4263
4264 - (void) setSessionValue:(NSString *)key :(NSString *)value {
4265 @synchronized (SessionData_) {
4266     if (value == (id) [WebUndefined undefined])
4267         [SessionData_ removeObjectForKey:key];
4268     else
4269         [SessionData_ setObject:value forKey:key];
4270 } }
4271
4272 - (void) addBridgedHost:(NSString *)host {
4273 @synchronized (HostConfig_) {
4274     [BridgedHosts_ addObject:host];
4275 } }
4276
4277 - (void) addInsecureHost:(NSString *)host {
4278 @synchronized (HostConfig_) {
4279     [InsecureHosts_ addObject:host];
4280 } }
4281
4282 - (void) addTokenHost:(NSString *)host {
4283 @synchronized (HostConfig_) {
4284     [TokenHosts_ addObject:host];
4285 } }
4286
4287 - (void) addPipelinedHost:(NSString *)host scheme:(NSString *)scheme {
4288 @synchronized (HostConfig_) {
4289     if (scheme != (id) [WebUndefined undefined])
4290         host = [NSString stringWithFormat:@"%@:%@", [scheme lowercaseString], host];
4291
4292     [PipelinedHosts_ addObject:host];
4293 } }
4294
4295 - (void) popViewController:(NSNumber *)value {
4296     if (value == (id) [WebUndefined undefined])
4297         value = [NSNumber numberWithBool:YES];
4298     [indirect_ performSelectorOnMainThread:@selector(popViewControllerWithNumber:) withObject:value waitUntilDone:NO];
4299 }
4300
4301 - (void) addSource:(NSString *)href :(NSString *)distribution :(WebScriptObject *)sections {
4302     NSMutableArray *array([NSMutableArray arrayWithCapacity:[sections count]]);
4303
4304     for (NSString *section in sections)
4305         [array addObject:section];
4306
4307     [delegate_ performSelectorOnMainThread:@selector(addSource:) withObject:[NSMutableDictionary dictionaryWithObjectsAndKeys:
4308         @"deb", @"Type",
4309         href, @"URI",
4310         distribution, @"Distribution",
4311         array, @"Sections",
4312     nil] waitUntilDone:NO];
4313 }
4314
4315 - (void) addTrivialSource:(NSString *)href {
4316     [delegate_ performSelectorOnMainThread:@selector(addTrivialSource:) withObject:href waitUntilDone:NO];
4317 }
4318
4319 - (void) refreshSources {
4320     [delegate_ performSelectorOnMainThread:@selector(syncData) withObject:nil waitUntilDone:NO];
4321 }
4322
4323 - (void) saveConfig {
4324     [delegate_ performSelectorOnMainThread:@selector(_saveConfig) withObject:nil waitUntilDone:NO];
4325 }
4326
4327 - (NSArray *) getAllSources {
4328     return [[Database sharedInstance] sources];
4329 }
4330
4331 - (NSArray *) getInstalledPackages {
4332     Database *database([Database sharedInstance]);
4333 @synchronized (database) {
4334     NSArray *packages([database packages]);
4335     NSMutableArray *installed([NSMutableArray arrayWithCapacity:1024]);
4336     for (Package *package in packages)
4337         if (![package uninstalled])
4338             [installed addObject:package];
4339     return installed;
4340 } }
4341
4342 - (Package *) getPackageById:(NSString *)id {
4343     if (Package *package = [[Database sharedInstance] packageWithName:id]) {
4344         [package parse];
4345         return package;
4346     } else
4347         return (Package *) [NSNull null];
4348 }
4349
4350 - (NSString *) getLocaleIdentifier {
4351     return Locale_ == NULL ? (NSString *) [NSNull null] : (NSString *) CFLocaleGetIdentifier(Locale_);
4352 }
4353
4354 - (NSArray *) getPreferredLanguages {
4355     return Languages_;
4356 }
4357
4358 - (NSArray *) statfs:(NSString *)path {
4359     struct statfs stat;
4360
4361     if (path == nil || statfs([path UTF8String], &stat) == -1)
4362         return nil;
4363
4364     return [NSArray arrayWithObjects:
4365         [NSNumber numberWithUnsignedLong:stat.f_bsize],
4366         [NSNumber numberWithUnsignedLong:stat.f_blocks],
4367         [NSNumber numberWithUnsignedLong:stat.f_bfree],
4368     nil];
4369 }
4370
4371 - (NSNumber *) du:(NSString *)path {
4372     NSNumber *value(nil);
4373
4374     int fds[2];
4375     _assert(pipe(fds) != -1);
4376
4377     pid_t pid(ExecFork());
4378     if (pid == 0) {
4379         _assert(dup2(fds[1], 1) != -1);
4380         _assert(close(fds[0]) != -1);
4381         _assert(close(fds[1]) != -1);
4382         /* XXX: this should probably not use du */
4383         execl("/usr/libexec/cydia/du", "du", "-s", [path UTF8String], NULL);
4384         exit(1);
4385         _assert(false);
4386     }
4387
4388     _assert(close(fds[1]) != -1);
4389
4390     if (FILE *du = fdopen(fds[0], "r")) {
4391         char line[1024];
4392         while (fgets(line, sizeof(line), du) != NULL) {
4393             size_t length(strlen(line));
4394             while (length != 0 && line[length - 1] == '\n')
4395                 line[--length] = '\0';
4396             if (char *tab = strchr(line, '\t')) {
4397                 *tab = '\0';
4398                 value = [NSNumber numberWithUnsignedLong:strtoul(line, NULL, 0)];
4399             }
4400         }
4401
4402         fclose(du);
4403     } else _assert(close(fds[0]));
4404
4405     int status;
4406   wait:
4407     if (waitpid(pid, &status, 0) == -1)
4408         if (errno == EINTR)
4409             goto wait;
4410         else _assert(false);
4411
4412     return value;
4413 }
4414
4415 - (void) close {
4416     [indirect_ performSelectorOnMainThread:@selector(close) withObject:nil waitUntilDone:NO];
4417 }
4418
4419 - (void) installPackages:(NSArray *)packages {
4420     [delegate_ performSelectorOnMainThread:@selector(installPackages:) withObject:packages waitUntilDone:NO];
4421 }
4422
4423 - (NSString *) substitutePackageNames:(NSString *)message {
4424     NSMutableArray *words([[message componentsSeparatedByString:@" "] mutableCopy]);
4425     for (size_t i(0), e([words count]); i != e; ++i) {
4426         NSString *word([words objectAtIndex:i]);
4427         if (Package *package = [[Database sharedInstance] packageWithName:word])
4428             [words replaceObjectAtIndex:i withObject:[package name]];
4429     }
4430
4431     return [words componentsJoinedByString:@" "];
4432 }
4433
4434 - (void) removeButton {
4435     [indirect_ removeButton];
4436 }
4437
4438 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
4439     [indirect_ setButtonImage:button withStyle:style toFunction:function];
4440 }
4441
4442 - (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
4443     [indirect_ setButtonTitle:button withStyle:style toFunction:function];
4444 }
4445
4446 - (void) setBadgeValue:(id)value {
4447     [indirect_ performSelectorOnMainThread:@selector(setBadgeValue:) withObject:value waitUntilDone:NO];
4448 }
4449
4450 - (void) setAllowsNavigationAction:(NSString *)value {
4451     [indirect_ performSelectorOnMainThread:@selector(setAllowsNavigationActionByNumber:) withObject:value waitUntilDone:NO];
4452 }
4453
4454 - (void) setHidesBackButton:(NSString *)value {
4455     [indirect_ performSelectorOnMainThread:@selector(setHidesBackButtonByNumber:) withObject:value waitUntilDone:NO];
4456 }
4457
4458 - (void) setHidesNavigationBar:(NSString *)value {
4459     [indirect_ performSelectorOnMainThread:@selector(setHidesNavigationBarByNumber:) withObject:value waitUntilDone:NO];
4460 }
4461
4462 - (void) setNavigationBarStyle:(NSString *)value {
4463     [indirect_ performSelectorOnMainThread:@selector(setNavigationBarStyle:) withObject:value waitUntilDone:NO];
4464 }
4465
4466 - (void) setNavigationBarTintRed:(NSNumber *)red green:(NSNumber *)green blue:(NSNumber *)blue alpha:(NSNumber *)alpha {
4467     float opacity(alpha == (id) [WebUndefined undefined] ? 1 : [alpha floatValue]);
4468     UIColor *color([UIColor colorWithRed:[red floatValue] green:[green floatValue] blue:[blue floatValue] alpha:opacity]);
4469     [indirect_ performSelectorOnMainThread:@selector(setNavigationBarTintColor:) withObject:color waitUntilDone:NO];
4470 }
4471
4472 - (void) setPasteboardString:(NSString *)value {
4473     [[objc_getClass("UIPasteboard") generalPasteboard] setString:value];
4474 }
4475
4476 - (void) setPasteboardURL:(NSString *)value {
4477     [[objc_getClass("UIPasteboard") generalPasteboard] setURL:[NSURL URLWithString:value]];
4478 }
4479
4480 - (void) _setToken:(NSString *)token {
4481     Token_ = token;
4482
4483     if (token == nil)
4484         [Metadata_ removeObjectForKey:@"Token"];
4485     else
4486         [Metadata_ setObject:Token_ forKey:@"Token"];
4487
4488     Changed_ = true;
4489 }
4490
4491 - (void) setToken:(NSString *)token {
4492     [self performSelectorOnMainThread:@selector(_setToken:) withObject:token waitUntilDone:NO];
4493 }
4494
4495 - (void) scrollToBottom:(NSNumber *)animated {
4496     [indirect_ performSelectorOnMainThread:@selector(scrollToBottomAnimated:) withObject:animated waitUntilDone:NO];
4497 }
4498
4499 - (void) setViewportWidth:(float)width {
4500     [indirect_ setViewportWidthOnMainThread:width];
4501 }
4502
4503 - (NSString *) stringWithFormat:(NSString *)format arguments:(WebScriptObject *)arguments {
4504     //NSLog(@"SWF:\"%@\" A:%@", format, [arguments description]);
4505     unsigned count([arguments count]);
4506     id values[count];
4507     for (unsigned i(0); i != count; ++i)
4508         values[i] = [arguments objectAtIndex:i];
4509     return [[[NSString alloc] initWithFormat:format arguments:reinterpret_cast<va_list>(values)] autorelease];
4510 }
4511
4512 - (NSString *) localizedStringForKey:(NSString *)key value:(NSString *)value table:(NSString *)table {
4513     if (reinterpret_cast<id>(value) == [WebUndefined undefined])
4514         value = nil;
4515     if (reinterpret_cast<id>(table) == [WebUndefined undefined])
4516         table = nil;
4517     return [[NSBundle mainBundle] localizedStringForKey:key value:value table:table];
4518 }
4519
4520 @end
4521 /* }}} */
4522
4523 @interface NSURL (CydiaSecure)
4524 @end
4525
4526 @implementation NSURL (CydiaSecure)
4527
4528 - (bool) isCydiaSecure {
4529     if ([[[self scheme] lowercaseString] isEqualToString:@"https"])
4530         return true;
4531
4532     @synchronized (HostConfig_) {
4533         if ([InsecureHosts_ containsObject:[self host]])
4534             return true;
4535     }
4536
4537     return false;
4538 }
4539
4540 @end
4541
4542 /* Cydia Browser Controller {{{ */
4543 @implementation CydiaWebViewController
4544
4545 - (NSURL *) navigationURL {
4546     return request_ == nil ? nil : [NSURL URLWithString:[NSString stringWithFormat:@"cydia://url/%@", [[request_ URL] absoluteString]]];
4547 }
4548
4549 + (void) _initialize {
4550     [super _initialize];
4551
4552     Diversions_ = [NSMutableSet setWithCapacity:0];
4553 }
4554
4555 + (void) addDiversion:(Diversion *)diversion {
4556     [Diversions_ addObject:diversion];
4557 }
4558
4559 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4560     [super webView:view didClearWindowObject:window forFrame:frame];
4561
4562     WebDataSource *source([frame dataSource]);
4563     NSURLResponse *response([source response]);
4564     NSURL *url([response URL]);
4565     NSString *scheme([[url scheme] lowercaseString]);
4566
4567     bool bridged(false);
4568
4569     @synchronized (HostConfig_) {
4570         if ([scheme isEqualToString:@"file"])
4571             bridged = true;
4572         else if ([scheme isEqualToString:@"https"])
4573             if ([BridgedHosts_ containsObject:[url host]])
4574                 bridged = true;
4575     }
4576
4577     if (bridged)
4578         [window setValue:cydia_ forKey:@"cydia"];
4579 }
4580
4581 - (void) _setupMail:(MFMailComposeViewController *)controller {
4582     [controller addAttachmentData:[NSData dataWithContentsOfFile:@"/tmp/cydia.log"] mimeType:@"text/plain" fileName:@"cydia.log"];
4583
4584     system("/usr/bin/dpkg -l >/tmp/dpkgl.log");
4585     [controller addAttachmentData:[NSData dataWithContentsOfFile:@"/tmp/dpkgl.log"] mimeType:@"text/plain" fileName:@"dpkgl.log"];
4586 }
4587
4588 - (NSURL *) URLWithURL:(NSURL *)url {
4589     return [Diversion divertURL:url];
4590 }
4591
4592 - (NSURLRequest *) webView:(WebView *)view resource:(id)resource willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
4593     NSURL *url([request URL]);
4594     NSString *host([url host]);
4595
4596     NSMutableURLRequest *copy([[super webView:view resource:resource willSendRequest:request redirectResponse:response fromDataSource:source] mutableCopy]);
4597
4598     if (System_ != NULL && [copy valueForHTTPHeaderField:@"X-System"] == nil)
4599         [copy setValue:System_ forHTTPHeaderField:@"X-System"];
4600     if (Machine_ != NULL && [copy valueForHTTPHeaderField:@"X-Machine"] == nil)
4601         [copy setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
4602
4603     bool token;
4604     @synchronized (HostConfig_) {
4605         token = [TokenHosts_ containsObject:host] || [BridgedHosts_ containsObject:host];
4606     }
4607
4608     if ([url isCydiaSecure] && token) {
4609         if (Token_ != nil && [copy valueForHTTPHeaderField:@"X-Cydia-Token"] == nil)
4610             [copy setValue:Token_ forHTTPHeaderField:@"X-Cydia-Token"];
4611         if (UniqueID_ != nil && [copy valueForHTTPHeaderField:@"X-Cydia-Id"] == nil)
4612             [copy setValue:UniqueID_ forHTTPHeaderField:@"X-Cydia-Id"];
4613     }
4614
4615     return copy;
4616 }
4617
4618 - (void) setDelegate:(id)delegate {
4619     [super setDelegate:delegate];
4620     [cydia_ setDelegate:delegate];
4621 }
4622
4623 - (NSString *) applicationNameForUserAgent {
4624     NSString *application([NSString stringWithFormat:@"Cydia/%@", Cydia_]);
4625
4626     if (Safari_ != nil)
4627         application = [NSString stringWithFormat:@"Safari/%@ %@", Safari_, application];
4628     if (Build_ != nil)
4629         application = [NSString stringWithFormat:@"Mobile/%@ %@", Build_, application];
4630     if (Product_ != nil)
4631         application = [NSString stringWithFormat:@"Version/%@ %@", Product_, application];
4632
4633     return application;
4634 }
4635
4636 - (id) init {
4637     if ((self = [super initWithWidth:0 ofClass:[CydiaWebViewController class]]) != nil) {
4638         cydia_ = [[[CydiaObject alloc] initWithDelegate:indirect_] autorelease];
4639     } return self;
4640 }
4641
4642 @end
4643
4644 @interface AppCacheController : CydiaWebViewController {
4645 }
4646
4647 @end
4648
4649 @implementation AppCacheController
4650
4651 - (void) didReceiveMemoryWarning {
4652 }
4653
4654 @end
4655 /* }}} */
4656
4657 // CydiaScript {{{
4658 @interface NSObject (CydiaScript)
4659 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context;
4660 @end
4661
4662 @implementation NSObject (CydiaScript)
4663
4664 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4665     return self;
4666 }
4667
4668 @end
4669
4670 @implementation NSArray (CydiaScript)
4671
4672 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4673     WebScriptObject *object([context evaluateWebScript:@"[]"]);
4674     for (size_t i(0), e([self count]); i != e; ++i)
4675         [object setWebScriptValueAtIndex:i value:[[self objectAtIndex:i] Cydia$webScriptObjectInContext:context]];
4676     return object;
4677 }
4678
4679 @end
4680
4681 @implementation NSDictionary (CydiaScript)
4682
4683 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4684     WebScriptObject *object([context evaluateWebScript:@"({})"]);
4685     for (id i in self)
4686         [object setValue:[[self objectForKey:i] Cydia$webScriptObjectInContext:context] forKey:i];
4687     return object;
4688 }
4689
4690 @end
4691 // }}}
4692
4693 /* Confirmation Controller {{{ */
4694 bool DepSubstrate(const pkgCache::VerIterator &iterator) {
4695     if (!iterator.end())
4696         for (pkgCache::DepIterator dep(iterator.DependsList()); !dep.end(); ++dep) {
4697             if (dep->Type != pkgCache::Dep::Depends && dep->Type != pkgCache::Dep::PreDepends)
4698                 continue;
4699             pkgCache::PkgIterator package(dep.TargetPkg());
4700             if (package.end())
4701                 continue;
4702             if (strcmp(package.Name(), "mobilesubstrate") == 0)
4703                 return true;
4704         }
4705
4706     return false;
4707 }
4708
4709 @protocol ConfirmationControllerDelegate
4710 - (void) cancelAndClear:(bool)clear;
4711 - (void) confirmWithNavigationController:(UINavigationController *)navigation;
4712 - (void) queue;
4713 @end
4714
4715 @interface ConfirmationController : CydiaWebViewController {
4716     _transient Database *database_;
4717
4718     _H<UIAlertView> essential_;
4719
4720     _H<NSDictionary> changes_;
4721     _H<NSMutableArray> issues_;
4722     _H<NSDictionary> sizes_;
4723
4724     BOOL substrate_;
4725 }
4726
4727 - (id) initWithDatabase:(Database *)database;
4728
4729 @end
4730
4731 @implementation ConfirmationController
4732
4733 - (void) complete {
4734     if (substrate_)
4735         RestartSubstrate_ = true;
4736     [delegate_ confirmWithNavigationController:[self navigationController]];
4737 }
4738
4739 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
4740     NSString *context([alert context]);
4741
4742     if ([context isEqualToString:@"remove"]) {
4743         if (button == [alert cancelButtonIndex])
4744             [self dismissModalViewControllerAnimated:YES];
4745         else if (button == [alert firstOtherButtonIndex]) {
4746             [self complete];
4747         }
4748
4749         [alert dismissWithClickedButtonIndex:-1 animated:YES];
4750     } else if ([context isEqualToString:@"unable"]) {
4751         [self dismissModalViewControllerAnimated:YES];
4752         [alert dismissWithClickedButtonIndex:-1 animated:YES];
4753     } else {
4754         [super alertView:alert clickedButtonAtIndex:button];
4755     }
4756 }
4757
4758 - (void) _doContinue {
4759     [delegate_ cancelAndClear:NO];
4760     [self dismissModalViewControllerAnimated:YES];
4761 }
4762
4763 - (id) invokeDefaultMethodWithArguments:(NSArray *)args {
4764     [self performSelectorOnMainThread:@selector(_doContinue) withObject:nil waitUntilDone:NO];
4765     return nil;
4766 }
4767
4768 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4769     [super webView:view didClearWindowObject:window forFrame:frame];
4770
4771     [window setValue:[[NSDictionary dictionaryWithObjectsAndKeys:
4772         (id) changes_, @"changes",
4773         (id) issues_, @"issues",
4774         (id) sizes_, @"sizes",
4775         self, @"queue",
4776     nil] Cydia$webScriptObjectInContext:window] forKey:@"cydiaConfirm"];
4777 }
4778
4779 - (id) initWithDatabase:(Database *)database {
4780     if ((self = [super init]) != nil) {
4781         database_ = database;
4782
4783         NSMutableArray *installs([NSMutableArray arrayWithCapacity:16]);
4784         NSMutableArray *reinstalls([NSMutableArray arrayWithCapacity:16]);
4785         NSMutableArray *upgrades([NSMutableArray arrayWithCapacity:16]);
4786         NSMutableArray *downgrades([NSMutableArray arrayWithCapacity:16]);
4787         NSMutableArray *removes([NSMutableArray arrayWithCapacity:16]);
4788
4789         bool remove(false);
4790
4791         pkgCacheFile &cache([database_ cache]);
4792         NSArray *packages([database_ packages]);
4793         pkgDepCache::Policy *policy([database_ policy]);
4794
4795         issues_ = [NSMutableArray arrayWithCapacity:4];
4796
4797         for (Package *package in packages) {
4798             pkgCache::PkgIterator iterator([package iterator]);
4799             NSString *name([package id]);
4800
4801             if ([package broken]) {
4802                 NSMutableArray *reasons([NSMutableArray arrayWithCapacity:4]);
4803
4804                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4805                     name, @"package",
4806                     reasons, @"reasons",
4807                 nil]];
4808
4809                 pkgCache::VerIterator ver(cache[iterator].InstVerIter(cache));
4810                 if (ver.end())
4811                     continue;
4812
4813                 for (pkgCache::DepIterator dep(ver.DependsList()); !dep.end(); ) {
4814                     pkgCache::DepIterator start;
4815                     pkgCache::DepIterator end;
4816                     dep.GlobOr(start, end); // ++dep
4817
4818                     if (!cache->IsImportantDep(end))
4819                         continue;
4820                     if ((cache[end] & pkgDepCache::DepGInstall) != 0)
4821                         continue;
4822
4823                     NSMutableArray *clauses([NSMutableArray arrayWithCapacity:4]);
4824
4825                     [reasons addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4826                         [NSString stringWithUTF8String:start.DepType()], @"relationship",
4827                         clauses, @"clauses",
4828                     nil]];
4829
4830                     _forever {
4831                         NSString *reason, *installed((NSString *) [WebUndefined undefined]);
4832
4833                         pkgCache::PkgIterator target(start.TargetPkg());
4834                         if (target->ProvidesList != 0)
4835                             reason = @"missing";
4836                         else {
4837                             pkgCache::VerIterator ver(cache[target].InstVerIter(cache));
4838                             if (!ver.end()) {
4839                                 reason = @"installed";
4840                                 installed = [NSString stringWithUTF8String:ver.VerStr()];
4841                             } else if (!cache[target].CandidateVerIter(cache).end())
4842                                 reason = @"uninstalled";
4843                             else if (target->ProvidesList == 0)
4844                                 reason = @"uninstallable";
4845                             else
4846                                 reason = @"virtual";
4847                         }
4848
4849                         NSDictionary *version(start.TargetVer() == 0 ? [NSNull null] : [NSDictionary dictionaryWithObjectsAndKeys:
4850                             [NSString stringWithUTF8String:start.CompType()], @"operator",
4851                             [NSString stringWithUTF8String:start.TargetVer()], @"value",
4852                         nil]);
4853
4854                         [clauses addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4855                             [NSString stringWithUTF8String:start.TargetPkg().Name()], @"package",
4856                             version, @"version",
4857                             reason, @"reason",
4858                             installed, @"installed",
4859                         nil]];
4860
4861                         // yes, seriously. (wtf?)
4862                         if (start == end)
4863                             break;
4864                         ++start;
4865                     }
4866                 }
4867             }
4868
4869             pkgDepCache::StateCache &state(cache[iterator]);
4870
4871             static Pcre special_r("^(firmware$|gsc\\.|cy\\+)");
4872
4873             if (state.NewInstall())
4874                 [installs addObject:name];
4875             // XXX: else if (state.Install())
4876             else if (!state.Delete() && (state.iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall)
4877                 [reinstalls addObject:name];
4878             // XXX: move before previous if
4879             else if (state.Upgrade())
4880                 [upgrades addObject:name];
4881             else if (state.Downgrade())
4882                 [downgrades addObject:name];
4883             else if (!state.Delete())
4884                 // XXX: _assert(state.Keep());
4885                 continue;
4886             else if (special_r(name))
4887                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4888                     [NSNull null], @"package",
4889                     [NSArray arrayWithObjects:
4890                         [NSDictionary dictionaryWithObjectsAndKeys:
4891                             @"Conflicts", @"relationship",
4892                             [NSArray arrayWithObjects:
4893                                 [NSDictionary dictionaryWithObjectsAndKeys:
4894                                     name, @"package",
4895                                     [NSNull null], @"version",
4896                                     @"installed", @"reason",
4897                                 nil],
4898                             nil], @"clauses",
4899                         nil],
4900                     nil], @"reasons",
4901                 nil]];
4902             else {
4903                 if ([package essential])
4904                     remove = true;
4905                 [removes addObject:name];
4906             }
4907
4908             substrate_ |= DepSubstrate(policy->GetCandidateVer(iterator));
4909             substrate_ |= DepSubstrate(iterator.CurrentVer());
4910         }
4911
4912         if (!remove)
4913             essential_ = nil;
4914         else if (Advanced_) {
4915             NSString *parenthetical(UCLocalize("PARENTHETICAL"));
4916
4917             essential_ = [[[UIAlertView alloc]
4918                 initWithTitle:UCLocalize("REMOVING_ESSENTIALS")
4919                 message:UCLocalize("REMOVING_ESSENTIALS_EX")
4920                 delegate:self
4921                 cancelButtonTitle:[NSString stringWithFormat:parenthetical, UCLocalize("CANCEL_OPERATION"), UCLocalize("SAFE")]
4922                 otherButtonTitles:
4923                     [NSString stringWithFormat:parenthetical, UCLocalize("FORCE_REMOVAL"), UCLocalize("UNSAFE")],
4924                 nil
4925             ] autorelease];
4926
4927             [essential_ setContext:@"remove"];
4928         } else {
4929             essential_ = [[[UIAlertView alloc]
4930                 initWithTitle:UCLocalize("UNABLE_TO_COMPLY")
4931                 message:UCLocalize("UNABLE_TO_COMPLY_EX")
4932                 delegate:self
4933                 cancelButtonTitle:UCLocalize("OKAY")
4934                 otherButtonTitles:nil
4935             ] autorelease];
4936
4937             [essential_ setContext:@"unable"];
4938         }
4939
4940         changes_ = [NSDictionary dictionaryWithObjectsAndKeys:
4941             installs, @"installs",
4942             reinstalls, @"reinstalls",
4943             upgrades, @"upgrades",
4944             downgrades, @"downgrades",
4945             removes, @"removes",
4946         nil];
4947
4948         sizes_ = [NSDictionary dictionaryWithObjectsAndKeys:
4949             [NSNumber numberWithInteger:[database_ fetcher].FetchNeeded()], @"downloading",
4950             [NSNumber numberWithInteger:[database_ fetcher].PartialPresent()], @"resuming",
4951         nil];
4952
4953         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/confirm/", UI_]]];
4954     } return self;
4955 }
4956
4957 - (UIBarButtonItem *) leftButton {
4958     return [[[UIBarButtonItem alloc]
4959         initWithTitle:UCLocalize("CANCEL")
4960         style:UIBarButtonItemStylePlain
4961         target:self
4962         action:@selector(cancelButtonClicked)
4963     ] autorelease];
4964 }
4965
4966 #if !AlwaysReload
4967 - (void) applyRightButton {
4968     if ([issues_ count] == 0 && ![self isLoading])
4969         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
4970             initWithTitle:UCLocalize("CONFIRM")
4971             style:UIBarButtonItemStyleDone
4972             target:self
4973             action:@selector(confirmButtonClicked)
4974         ] autorelease]];
4975     else
4976         [[self navigationItem] setRightBarButtonItem:nil];
4977 }
4978 #endif
4979
4980 - (void) cancelButtonClicked {
4981     [self dismissModalViewControllerAnimated:YES];
4982     [delegate_ cancelAndClear:YES];
4983 }
4984
4985 #if !AlwaysReload
4986 - (void) confirmButtonClicked {
4987     if (essential_ != nil)
4988         [essential_ show];
4989     else
4990         [self complete];
4991 }
4992 #endif
4993
4994 @end
4995 /* }}} */
4996
4997 /* Progress Data {{{ */
4998 @interface CydiaProgressData : NSObject {
4999     _transient id delegate_;
5000
5001     bool running_;
5002     float percent_;
5003
5004     float current_;
5005     float total_;
5006     float speed_;
5007
5008     _H<NSMutableArray> events_;
5009     _H<NSString> title_;
5010
5011     _H<NSString> status_;
5012     _H<NSString> finish_;
5013 }
5014
5015 @end
5016
5017 @implementation CydiaProgressData
5018
5019 + (NSArray *) _attributeKeys {
5020     return [NSArray arrayWithObjects:
5021         @"current",
5022         @"events",
5023         @"finish",
5024         @"percent",
5025         @"running",
5026         @"speed",
5027         @"title",
5028         @"total",
5029     nil];
5030 }
5031
5032 - (NSArray *) attributeKeys {
5033     return [[self class] _attributeKeys];
5034 }
5035
5036 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
5037     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
5038 }
5039
5040 - (id) init {
5041     if ((self = [super init]) != nil) {
5042         events_ = [NSMutableArray arrayWithCapacity:32];
5043     } return self;
5044 }
5045
5046 - (void) setDelegate:(id)delegate {
5047     delegate_ = delegate;
5048 }
5049
5050 - (void) setPercent:(float)value {
5051     percent_ = value;
5052 }
5053
5054 - (NSNumber *) percent {
5055     return [NSNumber numberWithFloat:percent_];
5056 }
5057
5058 - (void) setCurrent:(float)value {
5059     current_ = value;
5060 }
5061
5062 - (NSNumber *) current {
5063     return [NSNumber numberWithFloat:current_];
5064 }
5065
5066 - (void) setTotal:(float)value {
5067     total_ = value;
5068 }
5069
5070 - (NSNumber *) total {
5071     return [NSNumber numberWithFloat:total_];
5072 }
5073
5074 - (void) setSpeed:(float)value {
5075     speed_ = value;
5076 }
5077
5078 - (NSNumber *) speed {
5079     return [NSNumber numberWithFloat:speed_];
5080 }
5081
5082 - (NSArray *) events {
5083     return events_;
5084 }
5085
5086 - (void) removeAllEvents {
5087     [events_ removeAllObjects];
5088 }
5089
5090 - (void) addEvent:(CydiaProgressEvent *)event {
5091     [events_ addObject:event];
5092 }
5093
5094 - (void) setTitle:(NSString *)text {
5095     title_ = text;
5096 }
5097
5098 - (NSString *) title {
5099     return title_;
5100 }
5101
5102 - (void) setFinish:(NSString *)text {
5103     finish_ = text;
5104 }
5105
5106 - (NSString *) finish {
5107     return (id) finish_ ?: [NSNull null];
5108 }
5109
5110 - (void) setRunning:(bool)running {
5111     running_ = running;
5112 }
5113
5114 - (NSNumber *) running {
5115     return running_ ? (NSNumber *) kCFBooleanTrue : (NSNumber *) kCFBooleanFalse;
5116 }
5117
5118 @end
5119 /* }}} */
5120 /* Progress Controller {{{ */
5121 @interface ProgressController : CydiaWebViewController <
5122     ProgressDelegate
5123 > {
5124     _transient Database *database_;
5125     _H<CydiaProgressData, 1> progress_;
5126     unsigned cancel_;
5127 }
5128
5129 - (id) initWithDatabase:(Database *)database delegate:(id)delegate;
5130
5131 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title;
5132
5133 - (void) setTitle:(NSString *)title;
5134 - (void) setCancellable:(bool)cancellable;
5135
5136 @end
5137
5138 @implementation ProgressController
5139
5140 - (void) dealloc {
5141     [database_ setProgressDelegate:nil];
5142     [super dealloc];
5143 }
5144
5145 - (UIBarButtonItem *) leftButton {
5146     return cancel_ == 1 ? [[[UIBarButtonItem alloc]
5147         initWithTitle:UCLocalize("CANCEL")
5148         style:UIBarButtonItemStylePlain
5149         target:self
5150         action:@selector(cancel)
5151     ] autorelease] : nil;
5152 }
5153
5154 - (void) updateCancel {
5155     [super applyLeftButton];
5156 }
5157
5158 - (id) initWithDatabase:(Database *)database delegate:(id)delegate {
5159     if ((self = [super init]) != nil) {
5160         database_ = database;
5161         delegate_ = delegate;
5162
5163         [database_ setProgressDelegate:self];
5164
5165         progress_ = [[[CydiaProgressData alloc] init] autorelease];
5166         [progress_ setDelegate:self];
5167
5168         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/progress/", UI_]]];
5169
5170         [scroller_ setBackgroundColor:[UIColor blackColor]];
5171
5172         [[self navigationItem] setHidesBackButton:YES];
5173
5174         [self updateCancel];
5175     } return self;
5176 }
5177
5178 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
5179     [super webView:view didClearWindowObject:window forFrame:frame];
5180     [window setValue:progress_ forKey:@"cydiaProgress"];
5181 }
5182
5183 - (void) updateProgress {
5184     [self dispatchEvent:@"CydiaProgressUpdate"];
5185 }
5186
5187 - (void) viewWillAppear:(BOOL)animated {
5188     [[[self navigationController] navigationBar] setBarStyle:UIBarStyleBlack];
5189     [super viewWillAppear:animated];
5190 }
5191
5192 - (void) close {
5193     UpdateExternalStatus(0);
5194
5195     if (Finish_ > 1)
5196         [delegate_ saveState];
5197
5198     switch (Finish_) {
5199         case 0:
5200             [delegate_ returnToCydia];
5201         break;
5202
5203         case 1:
5204             [delegate_ terminateWithSuccess];
5205             /*if ([delegate_ respondsToSelector:@selector(suspendWithAnimation:)])
5206                 [delegate_ suspendWithAnimation:YES];
5207             else
5208                 [delegate_ suspend];*/
5209         break;
5210
5211         case 2:
5212             _trace();
5213             goto reload;
5214
5215         case 3:
5216             _trace();
5217             goto reload;
5218
5219         reload:
5220             system("/usr/bin/sbreload");
5221             _trace();
5222         break;
5223
5224         case 4:
5225             _trace();
5226             if (void (*SBReboot)(mach_port_t) = reinterpret_cast<void (*)(mach_port_t)>(dlsym(RTLD_DEFAULT, "SBReboot")))
5227                 SBReboot(SBSSpringBoardServerPort());
5228             else
5229                 reboot2(RB_AUTOBOOT);
5230         break;
5231     }
5232
5233     [super close];
5234 }
5235
5236 - (void) setTitle:(NSString *)title {
5237     [progress_ setTitle:title];
5238     [self updateProgress];
5239 }
5240
5241 - (UIBarButtonItem *) rightButton {
5242     return [[progress_ running] boolValue] ? [super rightButton] : [[[UIBarButtonItem alloc]
5243         initWithTitle:UCLocalize("CLOSE")
5244         style:UIBarButtonItemStylePlain
5245         target:self
5246         action:@selector(close)
5247     ] autorelease];
5248 }
5249
5250 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title {
5251     UpdateExternalStatus(1);
5252
5253     [progress_ setRunning:true];
5254     [self setTitle:title];
5255     // implicit updateProgress
5256
5257     SHA1SumValue notifyconf; {
5258         FileFd file;
5259         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
5260             _error->Discard();
5261         else {
5262             MMap mmap(file, MMap::ReadOnly);
5263             SHA1Summation sha1;
5264             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5265             notifyconf = sha1.Result();
5266         }
5267     }
5268
5269     SHA1SumValue springlist; {
5270         FileFd file;
5271         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
5272             _error->Discard();
5273         else {
5274             MMap mmap(file, MMap::ReadOnly);
5275             SHA1Summation sha1;
5276             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5277             springlist = sha1.Result();
5278         }
5279     }
5280
5281     if (invocation != nil) {
5282         [invocation yieldToSelector:@selector(invoke)];
5283         [self setTitle:@"COMPLETE"];
5284     }
5285
5286     if (Finish_ < 4) {
5287         FileFd file;
5288         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
5289             _error->Discard();
5290         else {
5291             MMap mmap(file, MMap::ReadOnly);
5292             SHA1Summation sha1;
5293             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5294             if (!(notifyconf == sha1.Result()))
5295                 Finish_ = 4;
5296         }
5297     }
5298
5299     if (Finish_ < 3) {
5300         FileFd file;
5301         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
5302             _error->Discard();
5303         else {
5304             MMap mmap(file, MMap::ReadOnly);
5305             SHA1Summation sha1;
5306             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5307             if (!(springlist == sha1.Result()))
5308                 Finish_ = 3;
5309         }
5310     }
5311
5312     if (Finish_ < 2) {
5313         if (RestartSubstrate_)
5314             Finish_ = 2;
5315     }
5316
5317     RestartSubstrate_ = false;
5318
5319     switch (Finish_) {
5320         case 0: [progress_ setFinish:UCLocalize("RETURN_TO_CYDIA")]; break; /* XXX: Maybe UCLocalize("DONE")? */
5321         case 1: [progress_ setFinish:UCLocalize("CLOSE_CYDIA")]; break;
5322         case 2: [progress_ setFinish:UCLocalize("RESTART_SPRINGBOARD")]; break;
5323         case 3: [progress_ setFinish:UCLocalize("RELOAD_SPRINGBOARD")]; break;
5324         case 4: [progress_ setFinish:UCLocalize("REBOOT_DEVICE")]; break;
5325     }
5326
5327     _trace();
5328     system("su -c /usr/bin/uicache mobile");
5329     _trace();
5330
5331     UpdateExternalStatus(Finish_ == 0 ? 0 : 2);
5332
5333     [progress_ setRunning:false];
5334     [self updateProgress];
5335
5336     [self applyRightButton];
5337 }
5338
5339 - (void) addProgressEvent:(CydiaProgressEvent *)event {
5340     [progress_ addEvent:event];
5341     [self updateProgress];
5342 }
5343
5344 - (bool) isProgressCancelled {
5345     return cancel_ == 2;
5346 }
5347
5348 - (void) cancel {
5349     cancel_ = 2;
5350     [self updateCancel];
5351 }
5352
5353 - (void) setCancellable:(bool)cancellable {
5354     unsigned cancel(cancel_);
5355
5356     if (!cancellable)
5357         cancel_ = 0;
5358     else if (cancel_ == 0)
5359         cancel_ = 1;
5360
5361     if (cancel != cancel_)
5362         [self updateCancel];
5363 }
5364
5365 - (void) setProgressCancellable:(NSNumber *)cancellable {
5366     [self setCancellable:[cancellable boolValue]];
5367 }
5368
5369 - (void) setProgressPercent:(NSNumber *)percent {
5370     [progress_ setPercent:[percent floatValue]];
5371     [self updateProgress];
5372 }
5373
5374 - (void) setProgressStatus:(NSDictionary *)status {
5375     if (status == nil) {
5376         [progress_ setCurrent:0];
5377         [progress_ setTotal:0];
5378         [progress_ setSpeed:0];
5379     } else {
5380         [progress_ setPercent:[[status objectForKey:@"Percent"] floatValue]];
5381
5382         [progress_ setCurrent:[[status objectForKey:@"Current"] floatValue]];
5383         [progress_ setTotal:[[status objectForKey:@"Total"] floatValue]];
5384         [progress_ setSpeed:[[status objectForKey:@"Speed"] floatValue]];
5385     }
5386
5387     [self updateProgress];
5388 }
5389
5390 @end
5391 /* }}} */
5392
5393 /* Package Cell {{{ */
5394 @interface PackageCell : CyteTableViewCell <
5395     CyteTableViewCellDelegate
5396 > {
5397     _H<UIImage> icon_;
5398     _H<NSString> name_;
5399     _H<NSString> description_;
5400     bool commercial_;
5401     _H<NSString> source_;
5402     _H<UIImage> badge_;
5403     _H<UIImage> placard_;
5404     bool summarized_;
5405 }
5406
5407 - (PackageCell *) init;
5408 - (void) setPackage:(Package *)package asSummary:(bool)summary;
5409
5410 - (void) drawContentRect:(CGRect)rect;
5411
5412 @end
5413
5414 @implementation PackageCell
5415
5416 - (PackageCell *) init {
5417     CGRect frame(CGRectMake(0, 0, 320, 74));
5418     if ((self = [super initWithFrame:frame reuseIdentifier:@"Package"]) != nil) {
5419         UIView *content([self contentView]);
5420         CGRect bounds([content bounds]);
5421
5422         content_ = [[[CyteTableViewCellContentView alloc] initWithFrame:bounds] autorelease];
5423         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5424         [content addSubview:content_];
5425
5426         [content_ setDelegate:self];
5427         [content_ setOpaque:YES];
5428     } return self;
5429 }
5430
5431 - (NSString *) accessibilityLabel {
5432     return [NSString stringWithFormat:UCLocalize("COLON_DELIMITED"), (id) name_, (id) description_];
5433 }
5434
5435 - (void) setPackage:(Package *)package asSummary:(bool)summary {
5436     summarized_ = summary;
5437
5438     icon_ = nil;
5439     name_ = nil;
5440     description_ = nil;
5441     source_ = nil;
5442     badge_ = nil;
5443     placard_ = nil;
5444
5445     if (package == nil)
5446         [content_ setBackgroundColor:[UIColor whiteColor]];
5447     else {
5448         [package parse];
5449
5450         Source *source = [package source];
5451
5452         icon_ = [package icon];
5453
5454         if (NSString *name = [package name])
5455             name_ = [NSString stringWithString:name];
5456
5457         NSString *description(nil);
5458
5459         if (description == nil && IsWildcat_)
5460             description = [package longDescription];
5461         if (description == nil)
5462             description = [package shortDescription];
5463
5464         if (description != nil)
5465             description_ = [NSString stringWithString:description];
5466
5467         commercial_ = [package isCommercial];
5468
5469         NSString *label = nil;
5470         bool trusted = false;
5471
5472         if (source != nil) {
5473             label = [source label];
5474             trusted = [source trusted];
5475         } else if ([[package id] isEqualToString:@"firmware"])
5476             label = UCLocalize("APPLE");
5477         else
5478             label = [NSString stringWithFormat:UCLocalize("SLASH_DELIMITED"), UCLocalize("UNKNOWN"), UCLocalize("LOCAL")];
5479
5480         NSString *from(label);
5481
5482         NSString *section = [package simpleSection];
5483         if (section != nil && ![section isEqualToString:label]) {
5484             section = [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
5485             from = [NSString stringWithFormat:UCLocalize("PARENTHETICAL"), from, section];
5486         }
5487
5488         source_ = [NSString stringWithFormat:UCLocalize("FROM"), from];
5489
5490         if (NSString *purpose = [package primaryPurpose])
5491             badge_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Purposes/%@.png", App_, purpose]];
5492
5493         UIColor *color;
5494         NSString *placard;
5495
5496         if (NSString *mode = [package mode]) {
5497             if ([mode isEqualToString:@"REMOVE"] || [mode isEqualToString:@"PURGE"]) {
5498                 color = RemovingColor_;
5499                 //placard = @"removing";
5500             } else {
5501                 color = InstallingColor_;
5502                 //placard = @"installing";
5503             }
5504
5505             // XXX: the removing/installing placards are not @2x
5506             placard = nil;
5507         } else {
5508             color = [UIColor whiteColor];
5509
5510             if ([package installed] != nil)
5511                 placard = @"installed";
5512             else
5513                 placard = nil;
5514         }
5515
5516         [content_ setBackgroundColor:color];
5517
5518         if (placard != nil)
5519             placard_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/%@.png", App_, placard]];
5520     }
5521
5522     [self setNeedsDisplay];
5523     [content_ setNeedsDisplay];
5524 }
5525
5526 - (void) drawSummaryContentRect:(CGRect)rect {
5527     bool highlighted(highlighted_);
5528     float width([self bounds].size.width);
5529
5530     if (icon_ != nil) {
5531         CGRect rect;
5532         rect.size = [(UIImage *) icon_ size];
5533
5534         rect.size.width /= 4;
5535         rect.size.height /= 4;
5536
5537         rect.origin.x = 14 - rect.size.width / 4;
5538         rect.origin.y = 14 - rect.size.height / 4;
5539
5540         [icon_ drawInRect:rect];
5541     }
5542
5543     if (badge_ != nil) {
5544         CGRect rect;
5545         rect.size = [(UIImage *) badge_ size];
5546
5547         rect.size.width /= 4;
5548         rect.size.height /= 4;
5549
5550         rect.origin.x = 20 - rect.size.width / 4;
5551         rect.origin.y = 20 - rect.size.height / 4;
5552
5553         [badge_ drawInRect:rect];
5554     }
5555
5556     if (highlighted)
5557         UISetColor(White_);
5558
5559     if (!highlighted)
5560         UISetColor(commercial_ ? Purple_ : Black_);
5561     [name_ drawAtPoint:CGPointMake(36, 8) forWidth:(width - (placard_ == nil ? 68 : 94)) withFont:Font18Bold_ lineBreakMode:UILineBreakModeTailTruncation];
5562
5563     if (placard_ != nil)
5564         [placard_ drawAtPoint:CGPointMake(width - 52, 9)];
5565 }
5566
5567 - (void) drawNormalContentRect:(CGRect)rect {
5568     bool highlighted(highlighted_);
5569     float width([self bounds].size.width);
5570
5571     if (icon_ != nil) {
5572         CGRect rect;
5573         rect.size = [(UIImage *) icon_ size];
5574
5575         rect.size.width /= 2;
5576         rect.size.height /= 2;
5577
5578         rect.origin.x = 25 - rect.size.width / 2;
5579         rect.origin.y = 25 - rect.size.height / 2;
5580
5581         [icon_ drawInRect:rect];
5582     }
5583
5584     if (badge_ != nil) {
5585         CGRect rect;
5586         rect.size = [(UIImage *) badge_ size];
5587
5588         rect.size.width /= 2;
5589         rect.size.height /= 2;
5590
5591         rect.origin.x = 36 - rect.size.width / 2;
5592         rect.origin.y = 36 - rect.size.height / 2;
5593
5594         [badge_ drawInRect:rect];
5595     }
5596
5597     if (highlighted)
5598         UISetColor(White_);
5599
5600     if (!highlighted)
5601         UISetColor(commercial_ ? Purple_ : Black_);
5602     [name_ drawAtPoint:CGPointMake(48, 8) forWidth:(width - (placard_ == nil ? 80 : 106)) withFont:Font18Bold_ lineBreakMode:UILineBreakModeTailTruncation];
5603     [source_ drawAtPoint:CGPointMake(58, 29) forWidth:(width - 95) withFont:Font12_ lineBreakMode:UILineBreakModeTailTruncation];
5604
5605     if (!highlighted)
5606         UISetColor(commercial_ ? Purplish_ : Gray_);
5607     [description_ drawAtPoint:CGPointMake(12, 46) forWidth:(width - 46) withFont:Font14_ lineBreakMode:UILineBreakModeTailTruncation];
5608
5609     if (placard_ != nil)
5610         [placard_ drawAtPoint:CGPointMake(width - 52, 9)];
5611 }
5612
5613 - (void) drawContentRect:(CGRect)rect {
5614     if (summarized_)
5615         [self drawSummaryContentRect:rect];
5616     else
5617         [self drawNormalContentRect:rect];
5618 }
5619
5620 @end
5621 /* }}} */
5622 /* Section Cell {{{ */
5623 @interface SectionCell : CyteTableViewCell <
5624     CyteTableViewCellDelegate
5625 > {
5626     _H<NSString> basic_;
5627     _H<NSString> section_;
5628     _H<NSString> name_;
5629     _H<NSString> count_;
5630     _H<UIImage> icon_;
5631     _H<UISwitch> switch_;
5632     BOOL editing_;
5633 }
5634
5635 - (void) setSection:(Section *)section editing:(BOOL)editing;
5636
5637 @end
5638
5639 @implementation SectionCell
5640
5641 - (id) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
5642     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
5643         icon_ = [UIImage applicationImageNamed:@"folder.png"];
5644         switch_ = [[[UISwitch alloc] initWithFrame:CGRectMake(218, 9, 60, 25)] autorelease];
5645         [switch_ addTarget:self action:@selector(onSwitch:) forEvents:UIControlEventValueChanged];
5646
5647         UIView *content([self contentView]);
5648         CGRect bounds([content bounds]);
5649
5650         content_ = [[[CyteTableViewCellContentView alloc] initWithFrame:bounds] autorelease];
5651         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5652         [content addSubview:content_];
5653         [content_ setBackgroundColor:[UIColor whiteColor]];
5654
5655         [content_ setDelegate:self];
5656     } return self;
5657 }
5658
5659 - (void) onSwitch:(id)sender {
5660     NSMutableDictionary *metadata([Sections_ objectForKey:basic_]);
5661     if (metadata == nil) {
5662         metadata = [NSMutableDictionary dictionaryWithCapacity:2];
5663         [Sections_ setObject:metadata forKey:basic_];
5664     }
5665
5666     [metadata setObject:[NSNumber numberWithBool:([switch_ isOn] == NO)] forKey:@"Hidden"];
5667     Changed_ = true;
5668 }
5669
5670 - (void) setSection:(Section *)section editing:(BOOL)editing {
5671     if (editing != editing_) {
5672         if (editing_)
5673             [switch_ removeFromSuperview];
5674         else
5675             [self addSubview:switch_];
5676         editing_ = editing;
5677     }
5678
5679     basic_ = nil;
5680     section_ = nil;
5681     name_ = nil;
5682     count_ = nil;
5683
5684     if (section == nil) {
5685         name_ = UCLocalize("ALL_PACKAGES");
5686         count_ = nil;
5687     } else {
5688         basic_ = [section name];
5689         section_ = [section localized];
5690
5691         name_  = section_ == nil || [section_ length] == 0 ? UCLocalize("NO_SECTION") : (NSString *) section_;
5692         count_ = [NSString stringWithFormat:@"%d", [section count]];
5693
5694         if (editing_)
5695             [switch_ setOn:(isSectionVisible(basic_) ? 1 : 0) animated:NO];
5696     }
5697
5698     [self setAccessoryType:editing ? UITableViewCellAccessoryNone : UITableViewCellAccessoryDisclosureIndicator];
5699     [self setSelectionStyle:editing ? UITableViewCellSelectionStyleNone : UITableViewCellSelectionStyleBlue];
5700
5701     [content_ setNeedsDisplay];
5702 }
5703
5704 - (void) setFrame:(CGRect)frame {
5705     [super setFrame:frame];
5706
5707     CGRect rect([switch_ frame]);
5708     [switch_ setFrame:CGRectMake(frame.size.width - 102, 9, rect.size.width, rect.size.height)];
5709 }
5710
5711 - (NSString *) accessibilityLabel {
5712     return name_;
5713 }
5714
5715 - (void) drawContentRect:(CGRect)rect {
5716     bool highlighted(highlighted_ && !editing_);
5717
5718     [icon_ drawInRect:CGRectMake(8, 7, 32, 32)];
5719
5720     if (highlighted)
5721         UISetColor(White_);
5722
5723     float width(rect.size.width);
5724     if (editing_)
5725         width -= 87;
5726
5727     if (!highlighted)
5728         UISetColor(Black_);
5729     [name_ drawAtPoint:CGPointMake(48, 9) forWidth:(width - 70) withFont:Font22Bold_ lineBreakMode:UILineBreakModeTailTruncation];
5730
5731     CGSize size = [count_ sizeWithFont:Font14_];
5732
5733     UISetColor(White_);
5734     if (count_ != nil)
5735         [count_ drawAtPoint:CGPointMake(13 + (29 - size.width) / 2, 16) withFont:Font12Bold_];
5736 }
5737
5738 @end
5739 /* }}} */
5740
5741 /* File Table {{{ */
5742 @interface FileTable : CyteViewController <
5743     UITableViewDataSource,
5744     UITableViewDelegate
5745 > {
5746     _transient Database *database_;
5747     _H<Package> package_;
5748     _H<NSString> name_;
5749     _H<NSMutableArray> files_;
5750     _H<UITableView, 2> list_;
5751 }
5752
5753 - (id) initWithDatabase:(Database *)database;
5754 - (void) setPackage:(Package *)package;
5755
5756 @end
5757
5758 @implementation FileTable
5759
5760 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
5761     return files_ == nil ? 0 : [files_ count];
5762 }
5763
5764 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
5765     return 24.0f;
5766 }*/
5767
5768 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
5769     static NSString *reuseIdentifier = @"Cell";
5770
5771     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
5772     if (cell == nil) {
5773         cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
5774         [cell setFont:[UIFont systemFontOfSize:16]];
5775     }
5776     [cell setText:[files_ objectAtIndex:indexPath.row]];
5777     [cell setSelectionStyle:UITableViewCellSelectionStyleNone];
5778
5779     return cell;
5780 }
5781
5782 - (NSURL *) navigationURL {
5783     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/files", [package_ id]]];
5784 }
5785
5786 - (void) loadView {
5787     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
5788
5789     list_ = [[[UITableView alloc] initWithFrame:[[self view] bounds]] autorelease];
5790     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5791     [list_ setRowHeight:24.0f];
5792     [(UITableView *) list_ setDataSource:self];
5793     [list_ setDelegate:self];
5794     [[self view] addSubview:list_];
5795 }
5796
5797 - (void) viewDidLoad {
5798     [super viewDidLoad];
5799
5800     [[self navigationItem] setTitle:UCLocalize("INSTALLED_FILES")];
5801 }
5802
5803 - (void) releaseSubviews {
5804     list_ = nil;
5805
5806     package_ = nil;
5807     files_ = nil;
5808
5809     [super releaseSubviews];
5810 }
5811
5812 - (id) initWithDatabase:(Database *)database {
5813     if ((self = [super init]) != nil) {
5814         database_ = database;
5815     } return self;
5816 }
5817
5818 - (void) setPackage:(Package *)package {
5819     package_ = nil;
5820     name_ = nil;
5821
5822     files_ = [NSMutableArray arrayWithCapacity:32];
5823
5824     if (package != nil) {
5825         package_ = package;
5826         name_ = [package id];
5827
5828         if (NSArray *files = [package files])
5829             [files_ addObjectsFromArray:files];
5830
5831         if ([files_ count] != 0) {
5832             if ([[files_ objectAtIndex:0] isEqualToString:@"/."])
5833                 [files_ removeObjectAtIndex:0];
5834             [files_ sortUsingSelector:@selector(compareByPath:)];
5835
5836             NSMutableArray *stack = [NSMutableArray arrayWithCapacity:8];
5837             [stack addObject:@"/"];
5838
5839             for (int i(0), e([files_ count]); i != e; ++i) {
5840                 NSString *file = [files_ objectAtIndex:i];
5841                 while (![file hasPrefix:[stack lastObject]])
5842                     [stack removeLastObject];
5843                 NSString *directory = [stack lastObject];
5844                 [stack addObject:[file stringByAppendingString:@"/"]];
5845                 [files_ replaceObjectAtIndex:i withObject:[NSString stringWithFormat:@"%*s%@",
5846                     ([stack count] - 2) * 3, "",
5847                     [file substringFromIndex:[directory length]]
5848                 ]];
5849             }
5850         }
5851     }
5852
5853     [list_ reloadData];
5854 }
5855
5856 - (void) reloadData {
5857     [super reloadData];
5858
5859     [self setPackage:[database_ packageWithName:name_]];
5860 }
5861
5862 @end
5863 /* }}} */
5864 /* Package Controller {{{ */
5865 @interface CYPackageController : CydiaWebViewController <
5866     UIActionSheetDelegate
5867 > {
5868     _transient Database *database_;
5869     _H<Package> package_;
5870     _H<NSString> name_;
5871     bool commercial_;
5872     _H<NSMutableArray> buttons_;
5873     _H<UIBarButtonItem> button_;
5874 }
5875
5876 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name;
5877
5878 @end
5879
5880 @implementation CYPackageController
5881
5882 - (NSURL *) navigationURL {
5883     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@", (id) name_]];
5884 }
5885
5886 /* XXX: this is not safe at all... localization of /fail/ */
5887 - (void) _clickButtonWithName:(NSString *)name {
5888     if ([name isEqualToString:UCLocalize("CLEAR")])
5889         [delegate_ clearPackage:package_];
5890     else if ([name isEqualToString:UCLocalize("INSTALL")])
5891         [delegate_ installPackage:package_];
5892     else if ([name isEqualToString:UCLocalize("REINSTALL")])
5893         [delegate_ installPackage:package_];
5894     else if ([name isEqualToString:UCLocalize("REMOVE")])
5895         [delegate_ removePackage:package_];
5896     else if ([name isEqualToString:UCLocalize("UPGRADE")])
5897         [delegate_ installPackage:package_];
5898     else _assert(false);
5899 }
5900
5901 - (void) actionSheet:(UIActionSheet *)sheet clickedButtonAtIndex:(NSInteger)button {
5902     NSString *context([sheet context]);
5903
5904     if ([context isEqualToString:@"modify"]) {
5905         if (button != [sheet cancelButtonIndex]) {
5906             NSString *buttonName = [buttons_ objectAtIndex:button];
5907             [self _clickButtonWithName:buttonName];
5908         }
5909
5910         [sheet dismissWithClickedButtonIndex:-1 animated:YES];
5911     }
5912 }
5913
5914 - (bool) _allowJavaScriptPanel {
5915     return commercial_;
5916 }
5917
5918 #if !AlwaysReload
5919 - (void) _customButtonClicked {
5920     int count([buttons_ count]);
5921     if (count == 0)
5922         return;
5923
5924     if (count == 1)
5925         [self _clickButtonWithName:[buttons_ objectAtIndex:0]];
5926     else {
5927         NSMutableArray *buttons = [NSMutableArray arrayWithCapacity:count];
5928         [buttons addObjectsFromArray:buttons_];
5929
5930         UIActionSheet *sheet = [[[UIActionSheet alloc]
5931             initWithTitle:nil
5932             delegate:self
5933             cancelButtonTitle:nil
5934             destructiveButtonTitle:nil
5935             otherButtonTitles:nil
5936         ] autorelease];
5937
5938         for (NSString *button in buttons) [sheet addButtonWithTitle:button];
5939         if (!IsWildcat_) {
5940            [sheet addButtonWithTitle:UCLocalize("CANCEL")];
5941            [sheet setCancelButtonIndex:[sheet numberOfButtons] - 1];
5942         }
5943         [sheet setContext:@"modify"];
5944
5945         [delegate_ showActionSheet:sheet fromItem:[[self navigationItem] rightBarButtonItem]];
5946     }
5947 }
5948
5949 // We don't want to allow non-commercial packages to do custom things to the install button,
5950 // so it must call customButtonClicked with a custom commercial_ == 1 fallthrough.
5951 - (void) customButtonClicked {
5952     if (commercial_)
5953         [super customButtonClicked];
5954     else
5955         [self _customButtonClicked];
5956 }
5957
5958 - (void) reloadButtonClicked {
5959     // Don't reload a commerical package by tapping the loading button,
5960     // but if it's not an Install button, we should forward it on.
5961     if (![package_ uninstalled])
5962         [self _customButtonClicked];
5963 }
5964
5965 - (void) applyLoadingTitle {
5966     // Don't show "Loading" as the title. Ever.
5967 }
5968
5969 - (UIBarButtonItem *) rightButton {
5970     return button_;
5971 }
5972 #endif
5973
5974 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name {
5975     if ((self = [super init]) != nil) {
5976         database_ = database;
5977         buttons_ = [NSMutableArray arrayWithCapacity:4];
5978         name_ = name == nil ? @"" : [NSString stringWithString:name];
5979         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/package/%@", UI_, (id) name_]]];
5980     } return self;
5981 }
5982
5983 - (void) reloadData {
5984     [super reloadData];
5985
5986     package_ = [database_ packageWithName:name_];
5987
5988     [buttons_ removeAllObjects];
5989
5990     if (package_ != nil) {
5991         [(Package *) package_ parse];
5992
5993         commercial_ = [package_ isCommercial];
5994
5995         if ([package_ mode] != nil)
5996             [buttons_ addObject:UCLocalize("CLEAR")];
5997         if ([package_ source] == nil);
5998         else if ([package_ upgradableAndEssential:NO])
5999             [buttons_ addObject:UCLocalize("UPGRADE")];
6000         else if ([package_ uninstalled])
6001             [buttons_ addObject:UCLocalize("INSTALL")];
6002         else
6003             [buttons_ addObject:UCLocalize("REINSTALL")];
6004         if (![package_ uninstalled])
6005             [buttons_ addObject:UCLocalize("REMOVE")];
6006     }
6007
6008     NSString *title;
6009     switch ([buttons_ count]) {
6010         case 0: title = nil; break;
6011         case 1: title = [buttons_ objectAtIndex:0]; break;
6012         default: title = UCLocalize("MODIFY"); break;
6013     }
6014
6015     button_ = [[[UIBarButtonItem alloc]
6016         initWithTitle:title
6017         style:UIBarButtonItemStylePlain
6018         target:self
6019         action:@selector(customButtonClicked)
6020     ] autorelease];
6021 }
6022
6023 - (bool) isLoading {
6024     return commercial_ ? [super isLoading] : false;
6025 }
6026
6027 @end
6028 /* }}} */
6029
6030 /* Package List Controller {{{ */
6031 @interface PackageListController : CyteViewController <
6032     UITableViewDataSource,
6033     UITableViewDelegate
6034 > {
6035     _transient Database *database_;
6036     unsigned era_;
6037     _H<NSArray> packages_;
6038     _H<NSMutableArray> sections_;
6039     _H<UITableView, 2> list_;
6040     _H<NSMutableArray> index_;
6041     _H<NSMutableDictionary> indices_;
6042     _H<NSString> title_;
6043     unsigned reloading_;
6044 }
6045
6046 - (id) initWithDatabase:(Database *)database title:(NSString *)title;
6047 - (void) setDelegate:(id)delegate;
6048 - (void) resetCursor;
6049 - (void) clearData;
6050
6051 @end
6052
6053 @implementation PackageListController
6054
6055 - (bool) isSummarized {
6056     return false;
6057 }
6058
6059 - (bool) showsSections {
6060     return true;
6061 }
6062
6063 - (void) deselectWithAnimation:(BOOL)animated {
6064     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
6065 }
6066
6067 - (void) resizeForKeyboardBounds:(CGRect)bounds duration:(NSTimeInterval)duration curve:(UIViewAnimationCurve)curve {
6068     CGRect base = [[self view] bounds];
6069     base.size.height -= bounds.size.height;
6070     base.origin = [list_ frame].origin;
6071
6072     [UIView beginAnimations:nil context:NULL];
6073     [UIView setAnimationBeginsFromCurrentState:YES];
6074     [UIView setAnimationCurve:curve];
6075     [UIView setAnimationDuration:duration];
6076     [list_ setFrame:base];
6077     [UIView commitAnimations];
6078 }
6079
6080 - (void) resizeForKeyboardBounds:(CGRect)bounds duration:(NSTimeInterval)duration {
6081     [self resizeForKeyboardBounds:bounds duration:duration curve:UIViewAnimationCurveLinear];
6082 }
6083
6084 - (void) resizeForKeyboardBounds:(CGRect)bounds {
6085     [self resizeForKeyboardBounds:bounds duration:0];
6086 }
6087
6088 - (void) getKeyboardCurve:(UIViewAnimationCurve *)curve duration:(NSTimeInterval *)duration forNotification:(NSNotification *)notification {
6089     if (&UIKeyboardAnimationCurveUserInfoKey == NULL)
6090         *curve = UIViewAnimationCurveEaseInOut;
6091     else
6092         [[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] getValue:curve];
6093
6094     if (&UIKeyboardAnimationDurationUserInfoKey == NULL)
6095         *duration = 0.3;
6096     else
6097         [[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] getValue:duration];
6098 }
6099
6100 - (void) keyboardWillShow:(NSNotification *)notification {
6101     CGRect bounds;
6102     CGPoint center;
6103     [[[notification userInfo] objectForKey:UIKeyboardBoundsUserInfoKey] getValue:&bounds];
6104     [[[notification userInfo] objectForKey:UIKeyboardCenterEndUserInfoKey] getValue:&center];
6105
6106     NSTimeInterval duration;
6107     UIViewAnimationCurve curve;
6108     [self getKeyboardCurve:&curve duration:&duration forNotification:notification];
6109
6110     CGRect kbframe = CGRectMake(round(center.x - bounds.size.width / 2.0), round(center.y - bounds.size.height / 2.0), bounds.size.width, bounds.size.height);
6111     UIViewController *base = self;
6112     while ([base parentViewController] != nil)
6113         base = [base parentViewController];
6114     CGRect viewframe = [[base view] convertRect:[list_ frame] fromView:[list_ superview]];
6115     CGRect intersection = CGRectIntersection(viewframe, kbframe);
6116
6117     if (kCFCoreFoundationVersionNumber < kCFCoreFoundationVersionNumber_iPhoneOS_3_0) // XXX: _UIApplicationLinkedOnOrAfter(4)
6118         intersection.size.height += CYStatusBarHeight();
6119
6120     [self resizeForKeyboardBounds:intersection duration:duration curve:curve];
6121 }
6122
6123 - (void) keyboardWillHide:(NSNotification *)notification {
6124     NSTimeInterval duration;
6125     UIViewAnimationCurve curve;
6126     [self getKeyboardCurve:&curve duration:&duration forNotification:notification];
6127
6128     [self resizeForKeyboardBounds:CGRectZero duration:duration curve:curve];
6129 }
6130
6131 - (void) viewWillAppear:(BOOL)animated {
6132     [super viewWillAppear:animated];
6133
6134     [self resizeForKeyboardBounds:CGRectZero];
6135     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil];
6136     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil];
6137 }
6138
6139 - (void) viewWillDisappear:(BOOL)animated {
6140     [super viewWillDisappear:animated];
6141
6142     [self resizeForKeyboardBounds:CGRectZero];
6143     [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillShowNotification object:nil];
6144     [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillHideNotification object:nil];
6145 }
6146
6147 - (void) viewDidAppear:(BOOL)animated {
6148     [super viewDidAppear:animated];
6149     [self deselectWithAnimation:animated];
6150 }
6151
6152 - (void) didSelectPackage:(Package *)package {
6153     CYPackageController *view([[[CYPackageController alloc] initWithDatabase:database_ forPackage:[package id]] autorelease]);
6154     [view setDelegate:delegate_];
6155     [[self navigationController] pushViewController:view animated:YES];
6156 }
6157
6158 #if TryIndexedCollation
6159 + (BOOL) hasIndexedCollation {
6160     return NO; // XXX: objc_getClass("UILocalizedIndexedCollation") != nil;
6161 }
6162 #endif
6163
6164 - (NSInteger) numberOfSectionsInTableView:(UITableView *)list {
6165     NSInteger count([sections_ count]);
6166     return count == 0 ? 1 : count;
6167 }
6168
6169 - (NSString *) tableView:(UITableView *)list titleForHeaderInSection:(NSInteger)section {
6170     if ([sections_ count] == 0 || [[sections_ objectAtIndex:section] count] == 0)
6171         return nil;
6172     return [[sections_ objectAtIndex:section] name];
6173 }
6174
6175 - (NSInteger) tableView:(UITableView *)list numberOfRowsInSection:(NSInteger)section {
6176     if ([sections_ count] == 0)
6177         return 0;
6178     return [[sections_ objectAtIndex:section] count];
6179 }
6180
6181 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
6182 @synchronized (database_) {
6183     if ([database_ era] != era_)
6184         return nil;
6185
6186     Section *section([sections_ objectAtIndex:[path section]]);
6187     NSInteger row([path row]);
6188     Package *package([packages_ objectAtIndex:([section row] + row)]);
6189     return [[package retain] autorelease];
6190 } }
6191
6192 - (UITableViewCell *) tableView:(UITableView *)table cellForRowAtIndexPath:(NSIndexPath *)path {
6193     PackageCell *cell((PackageCell *) [table dequeueReusableCellWithIdentifier:@"Package"]);
6194     if (cell == nil)
6195         cell = [[[PackageCell alloc] init] autorelease];
6196
6197     Package *package([database_ packageWithName:[[self packageAtIndexPath:path] id]]);
6198     [cell setPackage:package asSummary:[self isSummarized]];
6199     return cell;
6200 }
6201
6202 - (void) tableView:(UITableView *)table didSelectRowAtIndexPath:(NSIndexPath *)path {
6203     Package *package([self packageAtIndexPath:path]);
6204     package = [database_ packageWithName:[package id]];
6205     [self didSelectPackage:package];
6206 }
6207
6208 - (NSArray *) sectionIndexTitlesForTableView:(UITableView *)tableView {
6209     if (![self showsSections])
6210         return nil;
6211
6212     return index_;
6213 }
6214
6215 - (NSInteger) tableView:(UITableView *)tableView sectionForSectionIndexTitle:(NSString *)title atIndex:(NSInteger)index {
6216 #if TryIndexedCollation
6217     if ([[self class] hasIndexedCollation]) {
6218         return [[objc_getClass("UILocalizedIndexedCollation") currentCollation] sectionForSectionIndexTitleAtIndex:index];
6219     }
6220 #endif
6221
6222     return index;
6223 }
6224
6225 - (void) updateHeight {
6226     [list_ setRowHeight:([self isSummarized] ? 38 : 73)];
6227 }
6228
6229 - (id) initWithDatabase:(Database *)database title:(NSString *)title {
6230     if ((self = [super init]) != nil) {
6231         database_ = database;
6232         title_ = [title copy];
6233         [[self navigationItem] setTitle:title_];
6234     } return self;
6235 }
6236
6237 - (void) loadView {
6238     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
6239
6240     list_ = [[[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain] autorelease];
6241     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6242     [[self view] addSubview:list_];
6243
6244     // XXX: is 20 the most optimal number here?
6245     [list_ setSectionIndexMinimumDisplayRowCount:20];
6246
6247     [(UITableView *) list_ setDataSource:self];
6248     [list_ setDelegate:self];
6249
6250     [self updateHeight];
6251 }
6252
6253 - (void) releaseSubviews {
6254     list_ = nil;
6255
6256     packages_ = nil;
6257     sections_ = nil;
6258     index_ = nil;
6259     indices_ = nil;
6260
6261     [super releaseSubviews];
6262 }
6263
6264 - (void) setDelegate:(id)delegate {
6265     delegate_ = delegate;
6266 }
6267
6268 - (bool) shouldYield {
6269     return false;
6270 }
6271
6272 - (bool) shouldBlock {
6273     return false;
6274 }
6275
6276 - (NSMutableArray *) _reloadPackages {
6277 @synchronized (database_) {
6278     era_ = [database_ era];
6279     NSArray *packages([database_ packages]);
6280
6281     return [NSMutableArray arrayWithArray:packages];
6282 } }
6283
6284 - (void) _reloadData {
6285     if (reloading_ != 0) {
6286         reloading_ = 2;
6287         return;
6288     }
6289
6290     NSArray *packages;
6291
6292     if ([self shouldYield]) {
6293         do {
6294             UIProgressHUD *hud;
6295
6296             if (![self shouldBlock])
6297                 hud = nil;
6298             else {
6299                 hud = [delegate_ addProgressHUD];
6300                 [hud setText:UCLocalize("LOADING")];
6301             }
6302
6303             reloading_ = 1;
6304             packages = [self yieldToSelector:@selector(_reloadPackages)];
6305
6306             if (hud != nil)
6307                 [delegate_ removeProgressHUD:hud];
6308         } while (reloading_ == 2);
6309
6310         reloading_ = 0;
6311     } else {
6312         packages = [self _reloadPackages];
6313     }
6314
6315     packages_ = packages;
6316
6317     indices_ = [NSMutableDictionary dictionaryWithCapacity:32];
6318     sections_ = [NSMutableArray arrayWithCapacity:16];
6319
6320     Section *section = nil;
6321
6322 #if TryIndexedCollation
6323     if ([[self class] hasIndexedCollation]) {
6324         index_ = [[objc_getClass("UILocalizedIndexedCollation") currentCollation] sectionIndexTitles];
6325
6326         id collation = [objc_getClass("UILocalizedIndexedCollation") currentCollation];
6327         NSArray *titles = [collation sectionIndexTitles];
6328         int secidx = -1;
6329
6330         _profile(PackageTable$reloadData$Section)
6331             for (size_t offset(0), end([packages_ count]); offset != end; ++offset) {
6332                 Package *package;
6333                 int index;
6334
6335                 _profile(PackageTable$reloadData$Section$Package)
6336                     package = [packages_ objectAtIndex:offset];
6337                     index = [collation sectionForObject:package collationStringSelector:@selector(name)];
6338                 _end
6339
6340                 while (secidx < index) {
6341                     secidx += 1;
6342
6343                     _profile(PackageTable$reloadData$Section$Allocate)
6344                         section = [[[Section alloc] initWithName:[titles objectAtIndex:secidx] row:offset localize:NO] autorelease];
6345                     _end
6346
6347                     _profile(PackageTable$reloadData$Section$Add)
6348                         [sections_ addObject:section];
6349                     _end
6350                 }
6351
6352                 [section addToCount];
6353             }
6354         _end
6355     } else
6356 #endif
6357     {
6358         index_ = [NSMutableArray arrayWithCapacity:32];
6359
6360         bool sectioned([self showsSections]);
6361         if (!sectioned) {
6362             section = [[[Section alloc] initWithName:nil localize:false] autorelease];
6363             [sections_ addObject:section];
6364         }
6365
6366         _profile(PackageTable$reloadData$Section)
6367             for (size_t offset(0), end([packages_ count]); offset != end; ++offset) {
6368                 Package *package;
6369                 unichar index;
6370
6371                 _profile(PackageTable$reloadData$Section$Package)
6372                     package = [packages_ objectAtIndex:offset];
6373                     index = [package index];
6374                 _end
6375
6376                 if (sectioned && (section == nil || [section index] != index)) {
6377                     _profile(PackageTable$reloadData$Section$Allocate)
6378                         section = [[[Section alloc] initWithIndex:index row:offset] autorelease];
6379                     _end
6380
6381                     [index_ addObject:[section name]];
6382                     //[indices_ setObject:[NSNumber numberForInt:[sections_ count]] forKey:index];
6383
6384                     _profile(PackageTable$reloadData$Section$Add)
6385                         [sections_ addObject:section];
6386                     _end
6387                 }
6388
6389                 [section addToCount];
6390             }
6391         _end
6392     }
6393
6394     [self updateHeight];
6395
6396     _profile(PackageTable$reloadData$List)
6397         [(UITableView *) list_ setDataSource:self];
6398         [list_ reloadData];
6399     _end
6400 }
6401
6402 - (void) reloadData {
6403     [super reloadData];
6404
6405     if ([self shouldYield])
6406         [self performSelector:@selector(_reloadData) withObject:nil afterDelay:0];
6407     else
6408         [self _reloadData];
6409 }
6410
6411 - (void) resetCursor {
6412     [list_ scrollRectToVisible:CGRectMake(0, 0, 1, 1) animated:NO];
6413 }
6414
6415 - (void) clearData {
6416     [self updateHeight];
6417
6418     [list_ setDataSource:nil];
6419     [list_ reloadData];
6420
6421     [self resetCursor];
6422 }
6423
6424 @end
6425 /* }}} */
6426 /* Filtered Package List Controller {{{ */
6427 @interface FilteredPackageListController : PackageListController {
6428     SEL filter_;
6429     IMP imp_;
6430     _H<NSObject> object_;
6431 }
6432
6433 - (void) setObject:(id)object;
6434 - (void) setObject:(id)object forFilter:(SEL)filter;
6435
6436 - (SEL) filter;
6437 - (void) setFilter:(SEL)filter;
6438
6439 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object;
6440
6441 @end
6442
6443 @implementation FilteredPackageListController
6444
6445 - (SEL) filter {
6446     return filter_;
6447 }
6448
6449 - (void) setFilter:(SEL)filter {
6450 @synchronized (self) {
6451     filter_ = filter;
6452
6453     /* XXX: this is an unsafe optimization of doomy hell */
6454     Method method(class_getInstanceMethod([Package class], filter));
6455     _assert(method != NULL);
6456     imp_ = method_getImplementation(method);
6457     _assert(imp_ != NULL);
6458 } }
6459
6460 - (void) setObject:(id)object {
6461 @synchronized (self) {
6462     object_ = object;
6463 } }
6464
6465 - (void) setObject:(id)object forFilter:(SEL)filter {
6466 @synchronized (self) {
6467     [self setFilter:filter];
6468     [self setObject:object];
6469 } }
6470
6471 - (NSMutableArray *) _reloadPackages {
6472 @synchronized (database_) {
6473     era_ = [database_ era];
6474     NSArray *packages([database_ packages]);
6475
6476     NSMutableArray *filtered([NSMutableArray arrayWithCapacity:[packages count]]);
6477
6478     IMP imp;
6479     SEL filter;
6480     _H<NSObject> object;
6481
6482     @synchronized (self) {
6483         imp = imp_;
6484         filter = filter_;
6485         object = object_;
6486     }
6487
6488     _profile(PackageTable$reloadData$Filter)
6489         for (Package *package in packages)
6490             if ([package valid] && (*reinterpret_cast<bool (*)(id, SEL, id)>(imp))(package, filter, object))
6491                 [filtered addObject:package];
6492     _end
6493
6494     return filtered;
6495 } }
6496
6497 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object {
6498     if ((self = [super initWithDatabase:database title:title]) != nil) {
6499         [self setFilter:filter];
6500         [self setObject:object];
6501     } return self;
6502 }
6503
6504 @end
6505 /* }}} */
6506
6507 /* Home Controller {{{ */
6508 @interface HomeController : CydiaWebViewController {
6509 }
6510
6511 @end
6512
6513 @implementation HomeController
6514
6515 - (id) init {
6516     if ((self = [super init]) != nil) {
6517         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/home/", UI_]]];
6518         [self reloadData];
6519     } return self;
6520 }
6521
6522 - (NSURL *) navigationURL {
6523     return [NSURL URLWithString:@"cydia://home"];
6524 }
6525
6526 - (void) didReceiveMemoryWarning {
6527 }
6528
6529 - (void) aboutButtonClicked {
6530     UIAlertView *alert([[[UIAlertView alloc] init] autorelease]);
6531
6532     [alert setTitle:UCLocalize("ABOUT_CYDIA")];
6533     [alert addButtonWithTitle:UCLocalize("CLOSE")];
6534     [alert setCancelButtonIndex:0];
6535
6536     [alert setMessage:
6537         @"Copyright \u00a9 2008-2011\n"
6538         "SaurikIT, LLC\n"
6539         "\n"
6540         "Jay Freeman (saurik)\n"
6541         "saurik@saurik.com\n"
6542         "http://www.saurik.com/"
6543     ];
6544
6545     [alert show];
6546 }
6547
6548 - (UIBarButtonItem *) leftButton {
6549     return [[[UIBarButtonItem alloc]
6550         initWithTitle:UCLocalize("ABOUT")
6551         style:UIBarButtonItemStylePlain
6552         target:self
6553         action:@selector(aboutButtonClicked)
6554     ] autorelease];
6555 }
6556
6557 @end
6558 /* }}} */
6559 /* Manage Controller {{{ */
6560 @interface ManageController : CydiaWebViewController {
6561 }
6562
6563 - (void) queueStatusDidChange;
6564
6565 @end
6566
6567 @implementation ManageController
6568
6569 - (id) init {
6570     if ((self = [super init]) != nil) {
6571         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/manage/", UI_]]];
6572     } return self;
6573 }
6574
6575 - (NSURL *) navigationURL {
6576     return [NSURL URLWithString:@"cydia://manage"];
6577 }
6578
6579 - (UIBarButtonItem *) leftButton {
6580     return [[[UIBarButtonItem alloc]
6581         initWithTitle:UCLocalize("SETTINGS")
6582         style:UIBarButtonItemStylePlain
6583         target:self
6584         action:@selector(settingsButtonClicked)
6585     ] autorelease];
6586 }
6587
6588 - (void) settingsButtonClicked {
6589     [delegate_ showSettings];
6590 }
6591
6592 - (void) queueButtonClicked {
6593     [delegate_ queue];
6594 }
6595
6596 - (UIBarButtonItem *) customButton {
6597     return Queuing_ ? [[[UIBarButtonItem alloc]
6598         initWithTitle:UCLocalize("QUEUE")
6599         style:UIBarButtonItemStyleDone
6600         target:self
6601         action:@selector(queueButtonClicked)
6602     ] autorelease] : [super customButton];
6603 }
6604
6605 - (void) queueStatusDidChange {
6606     [self applyRightButton];
6607 }
6608
6609 - (bool) isLoading {
6610     return !Queuing_ && [super isLoading];
6611 }
6612
6613 @end
6614 /* }}} */
6615
6616 /* Refresh Bar {{{ */
6617 @interface RefreshBar : UINavigationBar {
6618     _H<UIProgressIndicator> indicator_;
6619     _H<UITextLabel> prompt_;
6620     _H<UIProgressBar> progress_;
6621     _H<UINavigationButton> cancel_;
6622 }
6623
6624 @end
6625
6626 @implementation RefreshBar
6627
6628 - (void) positionViews {
6629     CGRect frame = [cancel_ frame];
6630     frame.size = [cancel_ sizeThatFits:frame.size];
6631     frame.origin.x = [self frame].size.width - frame.size.width - 5;
6632     frame.origin.y = ([self frame].size.height - frame.size.height) / 2;
6633     [cancel_ setFrame:frame];
6634
6635     CGSize prgsize = {75, 100};
6636     CGRect prgrect = {{
6637         [self frame].size.width - prgsize.width - 10,
6638         ([self frame].size.height - prgsize.height) / 2
6639     } , prgsize};
6640     [progress_ setFrame:prgrect];
6641
6642     CGSize indsize([UIProgressIndicator defaultSizeForStyle:[indicator_ activityIndicatorViewStyle]]);
6643     unsigned indoffset = ([self frame].size.height - indsize.height) / 2;
6644     CGRect indrect = {{indoffset, indoffset}, indsize};
6645     [indicator_ setFrame:indrect];
6646
6647     CGSize prmsize = {215, indsize.height + 4};
6648     CGRect prmrect = {{
6649         indoffset * 2 + indsize.width,
6650         unsigned([self frame].size.height - prmsize.height) / 2 - 1
6651     }, prmsize};
6652     [prompt_ setFrame:prmrect];
6653 }
6654
6655 - (void) setFrame:(CGRect)frame {
6656     [super setFrame:frame];
6657     [self positionViews];
6658 }
6659
6660 - (id) initWithFrame:(CGRect)frame delegate:(id)delegate {
6661     if ((self = [super initWithFrame:frame]) != nil) {
6662         [self setAutoresizingMask:UIViewAutoresizingFlexibleWidth];
6663
6664         [self setBarStyle:UIBarStyleBlack];
6665
6666         UIBarStyle barstyle([self _barStyle:NO]);
6667         bool ugly(barstyle == UIBarStyleDefault);
6668
6669         UIProgressIndicatorStyle style = ugly ?
6670             UIProgressIndicatorStyleMediumBrown :
6671             UIProgressIndicatorStyleMediumWhite;
6672
6673         indicator_ = [[[UIProgressIndicator alloc] initWithFrame:CGRectZero] autorelease];
6674         [(UIProgressIndicator *) indicator_ setStyle:style];
6675         [indicator_ startAnimation];
6676         [self addSubview:indicator_];
6677
6678         prompt_ = [[[UITextLabel alloc] initWithFrame:CGRectZero] autorelease];
6679         [prompt_ setColor:[UIColor colorWithCGColor:(ugly ? Blueish_ : Off_)]];
6680         [prompt_ setBackgroundColor:[UIColor clearColor]];
6681         [prompt_ setFont:[UIFont systemFontOfSize:15]];
6682         [self addSubview:prompt_];
6683
6684         progress_ = [[[UIProgressBar alloc] initWithFrame:CGRectZero] autorelease];
6685         [progress_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleLeftMargin];
6686         [(UIProgressBar *) progress_ setStyle:0];
6687         [self addSubview:progress_];
6688
6689         cancel_ = [[[UINavigationButton alloc] initWithTitle:UCLocalize("CANCEL") style:UINavigationButtonStyleHighlighted] autorelease];
6690         [cancel_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
6691         [cancel_ addTarget:delegate action:@selector(cancelPressed) forControlEvents:UIControlEventTouchUpInside];
6692         [cancel_ setBarStyle:barstyle];
6693
6694         [self positionViews];
6695     } return self;
6696 }
6697
6698 - (void) setCancellable:(bool)cancellable {
6699     if (cancellable)
6700         [self addSubview:cancel_];
6701     else
6702         [cancel_ removeFromSuperview];
6703 }
6704
6705 - (void) start {
6706     [prompt_ setText:UCLocalize("UPDATING_DATABASE")];
6707     [progress_ setProgress:0];
6708 }
6709
6710 - (void) stop {
6711     [self setCancellable:NO];
6712 }
6713
6714 - (void) setPrompt:(NSString *)prompt {
6715     [prompt_ setText:prompt];
6716 }
6717
6718 - (void) setProgress:(float)progress {
6719     [progress_ setProgress:progress];
6720 }
6721
6722 @end
6723 /* }}} */
6724
6725 /* Cydia Navigation Controller Interface {{{ */
6726 @interface UINavigationController (Cydia)
6727
6728 - (NSArray *) navigationURLCollection;
6729 - (void) unloadData;
6730
6731 @end
6732 /* }}} */
6733
6734 /* Cydia Tab Bar Controller {{{ */
6735 @interface CYTabBarController : UITabBarController <
6736     UITabBarControllerDelegate,
6737     ProgressDelegate
6738 > {
6739     _transient Database *database_;
6740     _H<RefreshBar, 1> refreshbar_;
6741
6742     bool dropped_;
6743     bool updating_;
6744     // XXX: ok, "updatedelegate_"?...
6745     _transient NSObject<CydiaDelegate> *updatedelegate_;
6746
6747     _H<UIViewController> remembered_;
6748     _transient UIViewController *transient_;
6749 }
6750
6751 - (NSArray *) navigationURLCollection;
6752 - (void) dropBar:(BOOL)animated;
6753 - (void) beginUpdate;
6754 - (void) raiseBar:(BOOL)animated;
6755 - (BOOL) updating;
6756 - (void) unloadData;
6757
6758 @end
6759
6760 @implementation CYTabBarController
6761
6762 - (void) setUnselectedViewController:(UIViewController *)transient {
6763     NSMutableArray *controllers = [[self viewControllers] mutableCopy];
6764     if (transient != nil) {
6765         if (transient_ == nil)
6766             remembered_ = [controllers objectAtIndex:0];
6767         transient_ = transient;
6768         [transient_ setTabBarItem:[remembered_ tabBarItem]];
6769         [controllers replaceObjectAtIndex:0 withObject:transient_];
6770         [self setSelectedIndex:0];
6771         [self setViewControllers:controllers];
6772         [self concealTabBarSelection];
6773     } else if (remembered_ != nil) {
6774         [remembered_ setTabBarItem:[transient_ tabBarItem]];
6775         transient_ = transient;
6776         [controllers replaceObjectAtIndex:0 withObject:remembered_];
6777         remembered_ = nil;
6778         [self setViewControllers:controllers];
6779         [self revealTabBarSelection];
6780     }
6781 }
6782
6783 - (UIViewController *) unselectedViewController {
6784     return transient_;
6785 }
6786
6787 - (void) tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UIViewController *)viewController {
6788     if ([self unselectedViewController])
6789         [self setUnselectedViewController:nil];
6790 }
6791
6792 - (NSArray *) navigationURLCollection {
6793     NSMutableArray *items([NSMutableArray array]);
6794
6795     // XXX: Should this deal with transient view controllers?
6796     for (id navigation in [self viewControllers]) {
6797         NSArray *stack = [navigation performSelector:@selector(navigationURLCollection)];
6798         if (stack != nil)
6799             [items addObject:stack];
6800     }
6801
6802     return items;
6803 }
6804
6805 - (void) unloadData {
6806     [super unloadData];
6807
6808     for (UINavigationController *controller in [self viewControllers])
6809         [controller unloadData];
6810
6811     if (UIViewController *selected = [self selectedViewController])
6812         [selected reloadData];
6813
6814     if (UIViewController *unselected = [self unselectedViewController]) {
6815         [unselected unloadData];
6816         [unselected reloadData];
6817     }
6818 }
6819
6820 - (void) dealloc {
6821     [[NSNotificationCenter defaultCenter] removeObserver:self];
6822
6823     [super dealloc];
6824 }
6825
6826 - (id) initWithDatabase:(Database *)database {
6827     if ((self = [super init]) != nil) {
6828         database_ = database;
6829         [self setDelegate:self];
6830
6831         [[self view] setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6832         [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(statusBarFrameChanged:) name:UIApplicationDidChangeStatusBarFrameNotification object:nil];
6833
6834         refreshbar_ = [[[RefreshBar alloc] initWithFrame:CGRectMake(0, 0, [[self view] frame].size.width, [UINavigationBar defaultSize].height) delegate:self] autorelease];
6835     } return self;
6836 }
6837
6838 - (void) setUpdate:(NSDate *)date {
6839     [self beginUpdate];
6840 }
6841
6842 - (void) beginUpdate {
6843     [(RefreshBar *) refreshbar_ start];
6844     [self dropBar:YES];
6845
6846     [updatedelegate_ retainNetworkActivityIndicator];
6847     updating_ = true;
6848
6849     [NSThread
6850         detachNewThreadSelector:@selector(performUpdate)
6851         toTarget:self
6852         withObject:nil
6853     ];
6854 }
6855
6856 - (void) performUpdate {
6857     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
6858
6859     Status status;
6860     status.setDelegate(self);
6861     [database_ updateWithStatus:status];
6862
6863     [self
6864         performSelectorOnMainThread:@selector(completeUpdate)
6865         withObject:nil
6866         waitUntilDone:NO
6867     ];
6868
6869     [pool release];
6870 }
6871
6872 - (void) stopUpdateWithSelector:(SEL)selector {
6873     updating_ = false;
6874     [updatedelegate_ releaseNetworkActivityIndicator];
6875
6876     [self raiseBar:YES];
6877     [refreshbar_ stop];
6878
6879     [updatedelegate_ performSelector:selector withObject:nil afterDelay:0];
6880 }
6881
6882 - (void) completeUpdate {
6883     if (!updating_)
6884         return;
6885     [self stopUpdateWithSelector:@selector(reloadData)];
6886 }
6887
6888 - (void) cancelUpdate {
6889     [self stopUpdateWithSelector:@selector(updateData)];
6890 }
6891
6892 - (void) cancelPressed {
6893     [self cancelUpdate];
6894 }
6895
6896 - (BOOL) updating {
6897     return updating_;
6898 }
6899
6900 - (void) addProgressEvent:(CydiaProgressEvent *)event {
6901     [refreshbar_ setPrompt:[event compoundMessage]];
6902 }
6903
6904 - (bool) isProgressCancelled {
6905     return !updating_;
6906 }
6907
6908 - (void) setProgressCancellable:(NSNumber *)cancellable {
6909     [refreshbar_ setCancellable:(updating_ && [cancellable boolValue])];
6910 }
6911
6912 - (void) setProgressPercent:(NSNumber *)percent {
6913     [refreshbar_ setProgress:[percent floatValue]];
6914 }
6915
6916 - (void) setProgressStatus:(NSDictionary *)status {
6917     if (status != nil)
6918         [self setProgressPercent:[status objectForKey:@"Percent"]];
6919 }
6920
6921 - (void) setUpdateDelegate:(id)delegate {
6922     updatedelegate_ = delegate;
6923 }
6924
6925 - (UIView *) transitionView {
6926     if ([self respondsToSelector:@selector(_transitionView)])
6927         return [self _transitionView];
6928     else
6929         return MSHookIvar<id>(self, "_viewControllerTransitionView");
6930 }
6931
6932 - (void) dropBar:(BOOL)animated {
6933     if (dropped_)
6934         return;
6935     dropped_ = true;
6936
6937     UIView *transition([self transitionView]);
6938     [[self view] addSubview:refreshbar_];
6939
6940     CGRect barframe([refreshbar_ frame]);
6941
6942     if (kCFCoreFoundationVersionNumber >= kCFCoreFoundationVersionNumber_iPhoneOS_3_0) // XXX: _UIApplicationLinkedOnOrAfter(4)
6943         barframe.origin.y = CYStatusBarHeight();
6944     else
6945         barframe.origin.y = 0;
6946
6947     [refreshbar_ setFrame:barframe];
6948
6949     if (animated)
6950         [UIView beginAnimations:nil context:NULL];
6951
6952     CGRect viewframe = [transition frame];
6953     viewframe.origin.y += barframe.size.height;
6954     viewframe.size.height -= barframe.size.height;
6955     [transition setFrame:viewframe];
6956
6957     if (animated)
6958         [UIView commitAnimations];
6959
6960     // Ensure bar has the proper width for our view, it might have changed
6961     barframe.size.width = viewframe.size.width;
6962     [refreshbar_ setFrame:barframe];
6963 }
6964
6965 - (void) raiseBar:(BOOL)animated {
6966     if (!dropped_)
6967         return;
6968     dropped_ = false;
6969
6970     UIView *transition([self transitionView]);
6971     [refreshbar_ removeFromSuperview];
6972
6973     CGRect barframe([refreshbar_ frame]);
6974
6975     if (animated)
6976         [UIView beginAnimations:nil context:NULL];
6977
6978     CGRect viewframe = [transition frame];
6979     viewframe.origin.y -= barframe.size.height;
6980     viewframe.size.height += barframe.size.height;
6981     [transition setFrame:viewframe];
6982
6983     if (animated)
6984         [UIView commitAnimations];
6985 }
6986
6987 - (void) didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
6988     bool dropped(dropped_);
6989
6990     if (dropped)
6991         [self raiseBar:NO];
6992
6993     [super didRotateFromInterfaceOrientation:fromInterfaceOrientation];
6994
6995     if (dropped)
6996         [self dropBar:NO];
6997 }
6998
6999 - (void) statusBarFrameChanged:(NSNotification *)notification {
7000     if (dropped_) {
7001         [self raiseBar:NO];
7002         [self dropBar:NO];
7003     }
7004 }
7005
7006 @end
7007 /* }}} */
7008
7009 /* Cydia Navigation Controller Implementation {{{ */
7010 @implementation UINavigationController (Cydia)
7011
7012 - (NSArray *) navigationURLCollection {
7013     NSMutableArray *stack([NSMutableArray array]);
7014
7015     for (CyteViewController *controller in [self viewControllers]) {
7016         NSString *url = [[controller navigationURL] absoluteString];
7017         if (url != nil)
7018             [stack addObject:url];
7019     }
7020
7021     return stack;
7022 }
7023
7024 - (void) reloadData {
7025     [super reloadData];
7026
7027     UIViewController *visible([self visibleViewController]);
7028     if (visible != nil)
7029         [visible reloadData];
7030
7031     // on the iPad, this view controller is ALSO visible. :(
7032     if (IsWildcat_)
7033         if (UIViewController *top = [self topViewController])
7034             if (top != visible)
7035                 [top reloadData];
7036 }
7037
7038 - (void) unloadData {
7039     for (CyteViewController *page in [self viewControllers])
7040         [page unloadData];
7041
7042     [super unloadData];
7043 }
7044
7045 @end
7046 /* }}} */
7047
7048 /* Cydia:// Protocol {{{ */
7049 @interface CydiaURLProtocol : NSURLProtocol {
7050 }
7051
7052 @end
7053
7054 @implementation CydiaURLProtocol
7055
7056 + (BOOL) canInitWithRequest:(NSURLRequest *)request {
7057     NSURL *url([request URL]);
7058     if (url == nil)
7059         return NO;
7060
7061     NSString *scheme([[url scheme] lowercaseString]);
7062     if (scheme != nil && [scheme isEqualToString:@"cydia"])
7063         return YES;
7064     if ([[url absoluteString] hasPrefix:@"about:cydia-"])
7065         return YES;
7066
7067     return NO;
7068 }
7069
7070 + (NSURLRequest *) canonicalRequestForRequest:(NSURLRequest *)request {
7071     return request;
7072 }
7073
7074 - (void) _returnPNGWithImage:(UIImage *)icon forRequest:(NSURLRequest *)request {
7075     id<NSURLProtocolClient> client([self client]);
7076     if (icon == nil)
7077         [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorFileDoesNotExist userInfo:nil]];
7078     else {
7079         NSData *data(UIImagePNGRepresentation(icon));
7080
7081         NSURLResponse *response([[[NSURLResponse alloc] initWithURL:[request URL] MIMEType:@"image/png" expectedContentLength:-1 textEncodingName:nil] autorelease]);
7082         [client URLProtocol:self didReceiveResponse:response cacheStoragePolicy:NSURLCacheStorageNotAllowed];
7083         [client URLProtocol:self didLoadData:data];
7084         [client URLProtocolDidFinishLoading:self];
7085     }
7086 }
7087
7088 - (void) startLoading {
7089     id<NSURLProtocolClient> client([self client]);
7090     NSURLRequest *request([self request]);
7091
7092     NSURL *url([request URL]);
7093     NSString *href([url absoluteString]);
7094     NSString *scheme([[url scheme] lowercaseString]);
7095
7096     NSString *path;
7097
7098     if ([scheme isEqualToString:@"cydia"])
7099         path = [href substringFromIndex:8];
7100     else if ([scheme isEqualToString:@"about"])
7101         path = [href substringFromIndex:12];
7102     else _assert(false);
7103
7104     NSRange slash([path rangeOfString:@"/"]);
7105
7106     NSString *command;
7107     if (slash.location == NSNotFound) {
7108         command = path;
7109         path = nil;
7110     } else {
7111         command = [path substringToIndex:slash.location];
7112         path = [path substringFromIndex:(slash.location + 1)];
7113     }
7114
7115     Database *database([Database sharedInstance]);
7116
7117     if ([command isEqualToString:@"package-icon"]) {
7118         if (path == nil)
7119             goto fail;
7120         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7121         Package *package([database packageWithName:path]);
7122         if (package == nil)
7123             goto fail;
7124         [package parse];
7125         UIImage *icon([package icon]);
7126         [self _returnPNGWithImage:icon forRequest:request];
7127     } else if ([command isEqualToString:@"source-icon"]) {
7128         if (path == nil)
7129             goto fail;
7130         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7131         NSString *source(Simplify(path));
7132         UIImage *icon([UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sources/%@.png", App_, source]]);
7133         if (icon == nil)
7134             icon = [UIImage applicationImageNamed:@"unknown.png"];
7135         [self _returnPNGWithImage:icon forRequest:request];
7136     } else if ([command isEqualToString:@"uikit-image"]) {
7137         if (path == nil)
7138             goto fail;
7139         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7140         UIImage *icon(_UIImageWithName(path));
7141         [self _returnPNGWithImage:icon forRequest:request];
7142     } else if ([command isEqualToString:@"section-icon"]) {
7143         if (path == nil)
7144             goto fail;
7145         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7146         UIImage *icon([UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, [path stringByReplacingOccurrencesOfString:@" " withString:@"_"]]]);
7147         if (icon == nil)
7148             icon = [UIImage applicationImageNamed:@"unknown.png"];
7149         [self _returnPNGWithImage:icon forRequest:request];
7150     } else fail: {
7151         [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorResourceUnavailable userInfo:nil]];
7152     }
7153 }
7154
7155 - (void) stopLoading {
7156 }
7157
7158 @end
7159 /* }}} */
7160
7161 /* Section Controller {{{ */
7162 @interface SectionController : FilteredPackageListController {
7163     _H<NSString> section_;
7164 }
7165
7166 - (id) initWithDatabase:(Database *)database section:(NSString *)section;
7167
7168 @end
7169
7170 @implementation SectionController
7171
7172 - (NSURL *) navigationURL {
7173     NSString *name = section_;
7174     if (name == nil)
7175         name = @"all";
7176
7177     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sections/%@", name]];
7178 }
7179
7180 - (id) initWithDatabase:(Database *)database section:(NSString *)name {
7181     NSString *title;
7182     if (name == nil)
7183         title = UCLocalize("ALL_PACKAGES");
7184     else if (![name isEqual:@""])
7185         title = [[NSBundle mainBundle] localizedStringForKey:Simplify(name) value:nil table:@"Sections"];
7186     else
7187         title = UCLocalize("NO_SECTION");
7188
7189     if ((self = [super initWithDatabase:database title:title filter:@selector(isVisibleInSection:) with:name]) != nil) {
7190         section_ = name;
7191     } return self;
7192 }
7193
7194 @end
7195 /* }}} */
7196 /* Sections Controller {{{ */
7197 @interface SectionsController : CyteViewController <
7198     UITableViewDataSource,
7199     UITableViewDelegate
7200 > {
7201     _transient Database *database_;
7202     _H<NSMutableArray> sections_;
7203     _H<NSMutableArray> filtered_;
7204     _H<UITableView, 2> list_;
7205 }
7206
7207 - (id) initWithDatabase:(Database *)database;
7208 - (void) editButtonClicked;
7209
7210 @end
7211
7212 @implementation SectionsController
7213
7214 - (NSURL *) navigationURL {
7215     return [NSURL URLWithString:@"cydia://sections"];
7216 }
7217
7218 - (void) updateNavigationItem {
7219     [[self navigationItem] setTitle:[self isEditing] ? UCLocalize("SECTION_VISIBILITY") : UCLocalize("SECTIONS")];
7220     if ([sections_ count] == 0) {
7221         [[self navigationItem] setRightBarButtonItem:nil];
7222     } else {
7223         [[self navigationItem] setRightBarButtonItem:[[UIBarButtonItem alloc]
7224             initWithBarButtonSystemItem:([self isEditing] ? UIBarButtonSystemItemDone : UIBarButtonSystemItemEdit)
7225             target:self
7226             action:@selector(editButtonClicked)
7227         ] animated:([[self navigationItem] rightBarButtonItem] != nil)];
7228     }
7229 }
7230
7231 - (void) setEditing:(BOOL)editing animated:(BOOL)animated {
7232     [super setEditing:editing animated:animated];
7233
7234     if (editing)
7235         [list_ reloadData];
7236     else
7237         [delegate_ updateData];
7238
7239     [self updateNavigationItem];
7240 }
7241
7242 - (void) viewDidAppear:(BOOL)animated {
7243     [super viewDidAppear:animated];
7244     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
7245 }
7246
7247 - (void) viewWillDisappear:(BOOL)animated {
7248     [super viewWillDisappear:animated];
7249     if ([self isEditing]) [self setEditing:NO];
7250 }
7251
7252 - (Section *) sectionAtIndexPath:(NSIndexPath *)indexPath {
7253     Section *section = nil;
7254     int index = [indexPath row];
7255     if (![self isEditing]) {
7256         index -= 1;
7257         if (index >= 0)
7258             section = [filtered_ objectAtIndex:index];
7259     } else {
7260         section = [sections_ objectAtIndex:index];
7261     }
7262     return section;
7263 }
7264
7265 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7266     if ([self isEditing])
7267         return [sections_ count];
7268     else
7269         return [filtered_ count] + 1;
7270 }
7271
7272 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
7273     return 45.0f;
7274 }*/
7275
7276 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7277     static NSString *reuseIdentifier = @"SectionCell";
7278
7279     SectionCell *cell = (SectionCell *)[tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
7280     if (cell == nil)
7281         cell = [[[SectionCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
7282
7283     [cell setSection:[self sectionAtIndexPath:indexPath] editing:[self isEditing]];
7284
7285     return cell;
7286 }
7287
7288 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
7289     if ([self isEditing])
7290         return;
7291
7292     Section *section = [self sectionAtIndexPath:indexPath];
7293
7294     SectionController *controller = [[[SectionController alloc]
7295         initWithDatabase:database_
7296         section:[section name]
7297     ] autorelease];
7298     [controller setDelegate:delegate_];
7299
7300     [[self navigationController] pushViewController:controller animated:YES];
7301 }
7302
7303 - (void) loadView {
7304     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7305
7306     list_ = [[[UITableView alloc] initWithFrame:[[self view] bounds]] autorelease];
7307     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7308     [list_ setRowHeight:45.0f];
7309     [(UITableView *) list_ setDataSource:self];
7310     [list_ setDelegate:self];
7311     [[self view] addSubview:list_];
7312 }
7313
7314 - (void) viewDidLoad {
7315     [super viewDidLoad];
7316
7317     [[self navigationItem] setTitle:UCLocalize("SECTIONS")];
7318 }
7319
7320 - (void) releaseSubviews {
7321     list_ = nil;
7322
7323     sections_ = nil;
7324     filtered_ = nil;
7325
7326     [super releaseSubviews];
7327 }
7328
7329 - (id) initWithDatabase:(Database *)database {
7330     if ((self = [super init]) != nil) {
7331         database_ = database;
7332     } return self;
7333 }
7334
7335 - (void) reloadData {
7336     [super reloadData];
7337
7338     NSArray *packages = [database_ packages];
7339
7340     sections_ = [NSMutableArray arrayWithCapacity:16];
7341     filtered_ = [NSMutableArray arrayWithCapacity:16];
7342
7343     NSMutableDictionary *sections([NSMutableDictionary dictionaryWithCapacity:32]);
7344
7345     _trace();
7346     for (Package *package in packages) {
7347         NSString *name([package section]);
7348         NSString *key(name == nil ? @"" : name);
7349
7350         Section *section;
7351
7352         _profile(SectionsView$reloadData$Section)
7353             section = [sections objectForKey:key];
7354             if (section == nil) {
7355                 _profile(SectionsView$reloadData$Section$Allocate)
7356                     section = [[[Section alloc] initWithName:key localize:YES] autorelease];
7357                     [sections setObject:section forKey:key];
7358                 _end
7359             }
7360         _end
7361
7362         [section addToCount];
7363
7364         _profile(SectionsView$reloadData$Filter)
7365             if (![package valid] || ![package visible])
7366                 continue;
7367         _end
7368
7369         [section addToRow];
7370     }
7371     _trace();
7372
7373     [sections_ addObjectsFromArray:[sections allValues]];
7374
7375     [sections_ sortUsingSelector:@selector(compareByLocalized:)];
7376
7377     for (Section *section in (id) sections_) {
7378         size_t count([section row]);
7379         if (count == 0)
7380             continue;
7381
7382         section = [[[Section alloc] initWithName:[section name] localized:[section localized]] autorelease];
7383         [section setCount:count];
7384         [filtered_ addObject:section];
7385     }
7386
7387     [self updateNavigationItem];
7388     [list_ reloadData];
7389     _trace();
7390 }
7391
7392 - (void) editButtonClicked {
7393     [self setEditing:![self isEditing] animated:YES];
7394 }
7395
7396 @end
7397 /* }}} */
7398
7399 /* Changes Controller {{{ */
7400 @interface ChangesController : CyteViewController <
7401     UITableViewDataSource,
7402     UITableViewDelegate
7403 > {
7404     _transient Database *database_;
7405     unsigned era_;
7406     _H<NSArray> packages_;
7407     _H<NSMutableArray> sections_;
7408     _H<UITableView, 2> list_;
7409     unsigned upgrades_;
7410 }
7411
7412 - (id) initWithDatabase:(Database *)database;
7413
7414 @end
7415
7416 @implementation ChangesController
7417
7418 - (NSURL *) navigationURL {
7419     return [NSURL URLWithString:@"cydia://changes"];
7420 }
7421
7422 - (void) viewDidAppear:(BOOL)animated {
7423     [super viewDidAppear:animated];
7424     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
7425 }
7426
7427 - (NSInteger) numberOfSectionsInTableView:(UITableView *)list {
7428     NSInteger count([sections_ count]);
7429     return count == 0 ? 1 : count;
7430 }
7431
7432 - (NSString *) tableView:(UITableView *)list titleForHeaderInSection:(NSInteger)section {
7433     if ([sections_ count] == 0)
7434         return nil;
7435     return [[sections_ objectAtIndex:section] name];
7436 }
7437
7438 - (NSInteger) tableView:(UITableView *)list numberOfRowsInSection:(NSInteger)section {
7439     if ([sections_ count] == 0)
7440         return 0;
7441     return [[sections_ objectAtIndex:section] count];
7442 }
7443
7444 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
7445 @synchronized (database_) {
7446     if ([database_ era] != era_)
7447         return nil;
7448
7449     NSUInteger sectionIndex([path section]);
7450     if (sectionIndex >= [sections_ count])
7451         return nil;
7452     Section *section([sections_ objectAtIndex:sectionIndex]);
7453     NSInteger row([path row]);
7454     return [[[packages_ objectAtIndex:([section row] + row)] retain] autorelease];
7455 } }
7456
7457 - (UITableViewCell *) tableView:(UITableView *)table cellForRowAtIndexPath:(NSIndexPath *)path {
7458     PackageCell *cell((PackageCell *) [table dequeueReusableCellWithIdentifier:@"Package"]);
7459     if (cell == nil)
7460         cell = [[[PackageCell alloc] init] autorelease];
7461
7462     Package *package([database_ packageWithName:[[self packageAtIndexPath:path] id]]);
7463     [cell setPackage:package asSummary:false];
7464     return cell;
7465 }
7466
7467 - (NSIndexPath *) tableView:(UITableView *)table willSelectRowAtIndexPath:(NSIndexPath *)path {
7468     Package *package([self packageAtIndexPath:path]);
7469     CYPackageController *view([[[CYPackageController alloc] initWithDatabase:database_ forPackage:[package id]] autorelease]);
7470     [view setDelegate:delegate_];
7471     [[self navigationController] pushViewController:view animated:YES];
7472     return path;
7473 }
7474
7475 - (void) refreshButtonClicked {
7476     [delegate_ beginUpdate];
7477     [[self navigationItem] setLeftBarButtonItem:nil animated:YES];
7478 }
7479
7480 - (void) upgradeButtonClicked {
7481     [delegate_ distUpgrade];
7482     [[self navigationItem] setRightBarButtonItem:nil animated:YES];
7483 }
7484
7485 - (void) loadView {
7486     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7487
7488     list_ = [[[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain] autorelease];
7489     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7490     [list_ setRowHeight:73];
7491     [(UITableView *) list_ setDataSource:self];
7492     [list_ setDelegate:self];
7493     [[self view] addSubview:list_];
7494 }
7495
7496 - (void) viewDidLoad {
7497     [super viewDidLoad];
7498
7499     [[self navigationItem] setTitle:UCLocalize("CHANGES")];
7500 }
7501
7502 - (void) releaseSubviews {
7503     list_ = nil;
7504
7505     packages_ = nil;
7506     sections_ = nil;
7507
7508     [super releaseSubviews];
7509 }
7510
7511 - (id) initWithDatabase:(Database *)database {
7512     if ((self = [super init]) != nil) {
7513         database_ = database;
7514     } return self;
7515 }
7516
7517 - (NSMutableArray *) _reloadPackages {
7518 @synchronized (database_) {
7519     era_ = [database_ era];
7520     NSArray *packages([database_ packages]);
7521
7522     NSMutableArray *filtered([NSMutableArray arrayWithCapacity:[packages count]]);
7523
7524     _trace();
7525     _profile(ChangesController$_reloadPackages$Filter)
7526         for (Package *package in packages)
7527             if ([package upgradableAndEssential:YES] || [package visible])
7528                 CFArrayAppendValue((CFMutableArrayRef) filtered, package);
7529     _end
7530     _trace();
7531     _profile(ChangesController$_reloadPackages$radixSort)
7532         [filtered radixSortUsingFunction:reinterpret_cast<MenesRadixSortFunction>(&PackageChangesRadix) withContext:NULL];
7533     _end
7534     _trace();
7535
7536     return filtered;
7537 } }
7538
7539 - (void) _reloadData {
7540     NSArray *packages;
7541
7542   reload:
7543     if (true) {
7544         UIProgressHUD *hud([delegate_ addProgressHUD]);
7545         [hud setText:UCLocalize("LOADING")];
7546         //NSLog(@"HUD:%@::%@", delegate_, hud);
7547         packages = [self yieldToSelector:@selector(_reloadPackages)];
7548         [delegate_ removeProgressHUD:hud];
7549     } else {
7550         packages = [self _reloadPackages];
7551     }
7552
7553 @synchronized (database_) {
7554     if (era_ != [database_ era])
7555         goto reload;
7556
7557     packages_ = packages;
7558     sections_ = [NSMutableArray arrayWithCapacity:16];
7559
7560     Section *upgradable = [[[Section alloc] initWithName:UCLocalize("AVAILABLE_UPGRADES") localize:NO] autorelease];
7561     Section *ignored = nil;
7562     Section *section = nil;
7563     time_t last = 0;
7564
7565     upgrades_ = 0;
7566     bool unseens = false;
7567
7568     CFDateFormatterRef formatter(CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle));
7569
7570     for (size_t offset = 0, count = [packages_ count]; offset != count; ++offset) {
7571         Package *package = [packages_ objectAtIndex:offset];
7572
7573         BOOL uae = [package upgradableAndEssential:YES];
7574
7575         if (!uae) {
7576             unseens = true;
7577             time_t seen([package seen]);
7578
7579             if (section == nil || last != seen) {
7580                 last = seen;
7581
7582                 NSString *name;
7583                 name = (NSString *) CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) [NSDate dateWithTimeIntervalSince1970:seen]);
7584                 [name autorelease];
7585
7586                 _profile(ChangesController$reloadData$Allocate)
7587                     name = [NSString stringWithFormat:UCLocalize("NEW_AT"), name];
7588                     section = [[[Section alloc] initWithName:name row:offset localize:NO] autorelease];
7589                     [sections_ addObject:section];
7590                 _end
7591             }
7592
7593             [section addToCount];
7594         } else if ([package ignored]) {
7595             if (ignored == nil) {
7596                 ignored = [[[Section alloc] initWithName:UCLocalize("IGNORED_UPGRADES") row:offset localize:NO] autorelease];
7597             }
7598             [ignored addToCount];
7599         } else {
7600             ++upgrades_;
7601             [upgradable addToCount];
7602         }
7603     }
7604     _trace();
7605
7606     CFRelease(formatter);
7607
7608     if (unseens) {
7609         Section *last = [sections_ lastObject];
7610         size_t count = [last count];
7611         [packages_ removeObjectsInRange:NSMakeRange([packages_ count] - count, count)];
7612         [sections_ removeLastObject];
7613     }
7614
7615     if ([ignored count] != 0)
7616         [sections_ insertObject:ignored atIndex:0];
7617     if (upgrades_ != 0)
7618         [sections_ insertObject:upgradable atIndex:0];
7619
7620     [list_ reloadData];
7621
7622     [[self navigationItem] setRightBarButtonItem:(upgrades_ == 0 ? nil : [[[UIBarButtonItem alloc]
7623         initWithTitle:[NSString stringWithFormat:UCLocalize("PARENTHETICAL"), UCLocalize("UPGRADE"), [NSString stringWithFormat:@"%u", upgrades_]]
7624         style:UIBarButtonItemStylePlain
7625         target:self
7626         action:@selector(upgradeButtonClicked)
7627     ] autorelease]) animated:YES];
7628
7629     [[self navigationItem] setLeftBarButtonItem:([delegate_ updating] ? nil : [[[UIBarButtonItem alloc]
7630         initWithTitle:UCLocalize("REFRESH")
7631         style:UIBarButtonItemStylePlain
7632         target:self
7633         action:@selector(refreshButtonClicked)
7634     ] autorelease]) animated:YES];
7635
7636     PrintTimes();
7637 } }
7638
7639 - (void) reloadData {
7640     [super reloadData];
7641     [self performSelector:@selector(_reloadData) withObject:nil afterDelay:0];
7642 }
7643
7644 @end
7645 /* }}} */
7646 /* Search Controller {{{ */
7647 @interface SearchController : FilteredPackageListController <
7648     UISearchBarDelegate
7649 > {
7650     _H<UISearchBar, 1> search_;
7651     BOOL searchloaded_;
7652 }
7653
7654 - (id) initWithDatabase:(Database *)database query:(NSString *)query;
7655 - (void) reloadData;
7656
7657 @end
7658
7659 @implementation SearchController
7660
7661 - (NSURL *) navigationURL {
7662     if ([search_ text] == nil || [[search_ text] isEqualToString:@""])
7663         return [NSURL URLWithString:@"cydia://search"];
7664     else
7665         return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://search/%@", [search_ text]]];
7666 }
7667
7668 - (void) useSearch {
7669     [self setObject:[[search_ text] componentsSeparatedByString:@" "] forFilter:@selector(isUnfilteredAndSearchedForBy:)];
7670     [self clearData];
7671     [self reloadData];
7672 }
7673
7674 - (void) viewWillAppear:(BOOL)animated {
7675     [super viewWillAppear:animated];
7676
7677     if ([self filter] == @selector(isUnfilteredAndSelectedForBy:))
7678         [self useSearch];
7679 }
7680
7681 - (void) searchBarTextDidBeginEditing:(UISearchBar *)searchBar {
7682     [self setObject:[search_ text] forFilter:@selector(isUnfilteredAndSelectedForBy:)];
7683     [self clearData];
7684     [self reloadData];
7685 }
7686
7687 - (void) searchBarButtonClicked:(UISearchBar *)searchBar {
7688     [search_ resignFirstResponder];
7689     [self useSearch];
7690 }
7691
7692 - (void) searchBarCancelButtonClicked:(UISearchBar *)searchBar {
7693     [search_ setText:@""];
7694     [self searchBarButtonClicked:searchBar];
7695 }
7696
7697 - (void) searchBarSearchButtonClicked:(UISearchBar *)searchBar {
7698     [self searchBarButtonClicked:searchBar];
7699 }
7700
7701 - (void) searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)text {
7702     [self setObject:text forFilter:@selector(isUnfilteredAndSelectedForBy:)];
7703     [self reloadData];
7704 }
7705
7706 - (bool) shouldYield {
7707     return YES;
7708 }
7709
7710 - (bool) shouldBlock {
7711     return [self filter] == @selector(isUnfilteredAndSearchedForBy:);
7712 }
7713
7714 - (bool) isSummarized {
7715     return [self filter] == @selector(isUnfilteredAndSelectedForBy:);
7716 }
7717
7718 - (bool) showsSections {
7719     return false;
7720 }
7721
7722 - (NSMutableArray *) _reloadPackages {
7723     NSMutableArray *packages([super _reloadPackages]);
7724     if ([self filter] == @selector(isUnfilteredAndSearchedForBy:))
7725         [packages radixSortUsingSelector:@selector(rank)];
7726     return packages;
7727 }
7728
7729 - (id) initWithDatabase:(Database *)database query:(NSString *)query {
7730     if ((self = [super initWithDatabase:database title:UCLocalize("SEARCH") filter:@selector(isUnfilteredAndSearchedForBy:) with:[query componentsSeparatedByString:@" "]])) {
7731         search_ = [[[UISearchBar alloc] init] autorelease];
7732         [search_ setDelegate:self];
7733
7734         if (query != nil)
7735             [search_ setText:query];
7736     } return self;
7737 }
7738
7739 - (void) viewDidAppear:(BOOL)animated {
7740     [super viewDidAppear:animated];
7741
7742     if (!searchloaded_) {
7743         searchloaded_ = YES;
7744         [search_ setFrame:CGRectMake(0, 0, [[self view] bounds].size.width, 44.0f)];
7745         [search_ layoutSubviews];
7746         [search_ setPlaceholder:UCLocalize("SEARCH_EX")];
7747
7748         UITextField *textField;
7749         if ([search_ respondsToSelector:@selector(searchField)])
7750             textField = [search_ searchField];
7751         else
7752             textField = MSHookIvar<UITextField *>(search_, "_searchField");
7753
7754         [textField setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
7755         [textField setEnablesReturnKeyAutomatically:NO];
7756         [[self navigationItem] setTitleView:textField];
7757     }
7758 }
7759
7760 - (void) reloadData {
7761     id object([search_ text]);
7762     if ([self filter] == @selector(isUnfilteredAndSearchedForBy:))
7763         object = [object componentsSeparatedByString:@" "];
7764
7765     [self setObject:object];
7766     [self resetCursor];
7767
7768     [super reloadData];
7769 }
7770
7771 - (void) didSelectPackage:(Package *)package {
7772     [search_ resignFirstResponder];
7773     [super didSelectPackage:package];
7774 }
7775
7776 @end
7777 /* }}} */
7778 /* Package Settings Controller {{{ */
7779 @interface PackageSettingsController : CyteViewController <
7780     UITableViewDataSource,
7781     UITableViewDelegate
7782 > {
7783     _transient Database *database_;
7784     _H<NSString> name_;
7785     _H<Package> package_;
7786     _H<UITableView, 2> table_;
7787     _H<UISwitch> subscribedSwitch_;
7788     _H<UISwitch> ignoredSwitch_;
7789     _H<UITableViewCell> subscribedCell_;
7790     _H<UITableViewCell> ignoredCell_;
7791 }
7792
7793 - (id) initWithDatabase:(Database *)database package:(NSString *)package;
7794
7795 @end
7796
7797 @implementation PackageSettingsController
7798
7799 - (NSURL *) navigationURL {
7800     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/settings", (id) name_]];
7801 }
7802
7803 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
7804     if (package_ == nil)
7805         return 0;
7806
7807     if ([package_ installed] == nil)
7808         return 1;
7809     else
7810         return 2;
7811 }
7812
7813 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7814     if (package_ == nil)
7815         return 0;
7816
7817     // both sections contain just one item right now.
7818     return 1;
7819 }
7820
7821 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
7822     return nil;
7823 }
7824
7825 - (NSString *) tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
7826     if (section == 0)
7827         return UCLocalize("SHOW_ALL_CHANGES_EX");
7828     else
7829         return UCLocalize("IGNORE_UPGRADES_EX");
7830 }
7831
7832 - (void) onSubscribed:(id)control {
7833     bool value([control isOn]);
7834     if (package_ == nil)
7835         return;
7836     if ([package_ setSubscribed:value])
7837         [delegate_ updateData];
7838 }
7839
7840 - (void) _updateIgnored {
7841     const char *package([name_ UTF8String]);
7842     bool on([ignoredSwitch_ isOn]);
7843
7844     pid_t pid(ExecFork());
7845     if (pid == 0) {
7846         FILE *dpkg(popen("dpkg --set-selections", "w"));
7847         fwrite(package, strlen(package), 1, dpkg);
7848
7849         if (on)
7850             fwrite(" hold\n", 6, 1, dpkg);
7851         else
7852             fwrite(" install\n", 9, 1, dpkg);
7853
7854         pclose(dpkg);
7855
7856         exit(0);
7857         _assert(false);
7858     }
7859
7860     _forever {
7861         int status;
7862         int result(waitpid(pid, &status, 0));
7863
7864         if (result != -1) {
7865             _assert(result == pid);
7866             break;
7867         }
7868     }
7869 }
7870
7871 - (void) onIgnored:(id)control {
7872     NSInvocation *invocation([NSInvocation invocationWithMethodSignature:[self methodSignatureForSelector:@selector(_updateIgnored)]]);
7873     [invocation setTarget:self];
7874     [invocation setSelector:@selector(_updateIgnored)];
7875
7876     [delegate_ reloadDataWithInvocation:invocation];
7877 }
7878
7879 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7880     if (package_ == nil)
7881         return nil;
7882
7883     switch ([indexPath section]) {
7884         case 0: return subscribedCell_;
7885         case 1: return ignoredCell_;
7886
7887         _nodefault
7888     }
7889
7890     return nil;
7891 }
7892
7893 - (void) loadView {
7894     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7895
7896     table_ = [[[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped] autorelease];
7897     [table_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7898     [(UITableView *) table_ setDataSource:self];
7899     [table_ setDelegate:self];
7900     [[self view] addSubview:table_];
7901
7902     subscribedSwitch_ = [[[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)] autorelease];
7903     [subscribedSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
7904     [subscribedSwitch_ addTarget:self action:@selector(onSubscribed:) forEvents:UIControlEventValueChanged];
7905
7906     ignoredSwitch_ = [[[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)] autorelease];
7907     [ignoredSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
7908     [ignoredSwitch_ addTarget:self action:@selector(onIgnored:) forEvents:UIControlEventValueChanged];
7909
7910     subscribedCell_ = [[[UITableViewCell alloc] init] autorelease];
7911     [subscribedCell_ setText:UCLocalize("SHOW_ALL_CHANGES")];
7912     [subscribedCell_ setAccessoryView:subscribedSwitch_];
7913     [subscribedCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
7914
7915     ignoredCell_ = [[[UITableViewCell alloc] init] autorelease];
7916     [ignoredCell_ setText:UCLocalize("IGNORE_UPGRADES")];
7917     [ignoredCell_ setAccessoryView:ignoredSwitch_];
7918     [ignoredCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
7919 }
7920
7921 - (void) viewDidLoad {
7922     [super viewDidLoad];
7923
7924     [[self navigationItem] setTitle:UCLocalize("SETTINGS")];
7925 }
7926
7927 - (void) releaseSubviews {
7928     ignoredCell_ = nil;
7929     subscribedCell_ = nil;
7930     table_ = nil;
7931     ignoredSwitch_ = nil;
7932     subscribedSwitch_ = nil;
7933
7934     [super releaseSubviews];
7935 }
7936
7937 - (id) initWithDatabase:(Database *)database package:(NSString *)package {
7938     if ((self = [super init]) != nil) {
7939         database_ = database;
7940         name_ = package;
7941     } return self;
7942 }
7943
7944 - (void) reloadData {
7945     [super reloadData];
7946
7947     package_ = [database_ packageWithName:name_];
7948
7949     if (package_ != nil) {
7950         [subscribedSwitch_ setOn:([package_ subscribed] ? 1 : 0) animated:NO];
7951         [ignoredSwitch_ setOn:([package_ ignored] ? 1 : 0) animated:NO];
7952     } // XXX: what now, G?
7953
7954     [table_ reloadData];
7955 }
7956
7957 @end
7958 /* }}} */
7959
7960 /* Installed Controller {{{ */
7961 @interface InstalledController : FilteredPackageListController {
7962     BOOL expert_;
7963 }
7964
7965 - (id) initWithDatabase:(Database *)database;
7966
7967 - (void) updateRoleButton;
7968 - (void) queueStatusDidChange;
7969
7970 @end
7971
7972 @implementation InstalledController
7973
7974 - (NSURL *) navigationURL {
7975     return [NSURL URLWithString:@"cydia://installed"];
7976 }
7977
7978 - (id) initWithDatabase:(Database *)database {
7979     if ((self = [super initWithDatabase:database title:UCLocalize("INSTALLED") filter:@selector(isInstalledAndUnfiltered:) with:[NSNumber numberWithBool:YES]]) != nil) {
7980         [self updateRoleButton];
7981         [self queueStatusDidChange];
7982     } return self;
7983 }
7984
7985 #if !AlwaysReload
7986 - (void) queueButtonClicked {
7987     [delegate_ queue];
7988 }
7989 #endif
7990
7991 - (void) queueStatusDidChange {
7992 #if !AlwaysReload
7993     if (IsWildcat_) {
7994         if (Queuing_) {
7995             [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
7996                 initWithTitle:UCLocalize("QUEUE")
7997                 style:UIBarButtonItemStyleDone
7998                 target:self
7999                 action:@selector(queueButtonClicked)
8000             ] autorelease]];
8001         } else {
8002             [[self navigationItem] setLeftBarButtonItem:nil];
8003         }
8004     }
8005 #endif
8006 }
8007
8008 - (void) updateRoleButton {
8009     if (Role_ != nil && ![Role_ isEqualToString:@"Developer"])
8010         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8011             initWithTitle:(expert_ ? UCLocalize("EXPERT") : UCLocalize("SIMPLE"))
8012             style:(expert_ ? UIBarButtonItemStyleDone : UIBarButtonItemStylePlain)
8013             target:self
8014             action:@selector(roleButtonClicked)
8015         ] autorelease]];
8016 }
8017
8018 - (void) roleButtonClicked {
8019     [self setObject:[NSNumber numberWithBool:expert_]];
8020     [self reloadData];
8021     expert_ = !expert_;
8022
8023     [self updateRoleButton];
8024 }
8025
8026 @end
8027 /* }}} */
8028
8029 /* Source Cell {{{ */
8030 @interface SourceCell : CyteTableViewCell <
8031     CyteTableViewCellDelegate
8032 > {
8033     _H<UIImage> icon_;
8034     _H<NSString> origin_;
8035     _H<NSString> label_;
8036 }
8037
8038 - (void) setSource:(Source *)source;
8039
8040 @end
8041
8042 @implementation SourceCell
8043
8044 - (void) _setImage:(UIImage *)image {
8045     icon_ = image;
8046     [content_ setNeedsDisplay];
8047 }
8048
8049 - (void) _setSource:(NSURL *) url {
8050     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
8051
8052     if (NSData *data = [NSURLConnection
8053         sendSynchronousRequest:[NSURLRequest
8054             requestWithURL:url
8055             //cachePolicy:NSURLRequestUseProtocolCachePolicy
8056             //timeoutInterval:5
8057         ]
8058
8059         returningResponse:NULL
8060         error:NULL
8061     ])
8062         if (UIImage *image = [UIImage imageWithData:data])
8063             [self performSelectorOnMainThread:@selector(_setImage:) withObject:image waitUntilDone:NO];
8064
8065     [pool release];
8066 }
8067
8068 - (void) setSource:(Source *)source {
8069     icon_ = [UIImage applicationImageNamed:@"unknown.png"];
8070
8071     origin_ = [source name];
8072     label_ = [source rooturi];
8073
8074     [content_ setNeedsDisplay];
8075
8076     if (NSURL *url = [source iconURL])
8077         [NSThread detachNewThreadSelector:@selector(_setSource:) toTarget:self withObject:url];
8078 }
8079
8080 - (SourceCell *) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
8081     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
8082         UIView *content([self contentView]);
8083         CGRect bounds([content bounds]);
8084
8085         content_ = [[[CyteTableViewCellContentView alloc] initWithFrame:bounds] autorelease];
8086         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8087         [content_ setBackgroundColor:[UIColor whiteColor]];
8088         [content addSubview:content_];
8089
8090         [content_ setDelegate:self];
8091         [content_ setOpaque:YES];
8092
8093         [[content_ layer] setContentsGravity:kCAGravityTopLeft];
8094     } return self;
8095 }
8096
8097 - (NSString *) accessibilityLabel {
8098     return label_;
8099 }
8100
8101 - (void) drawContentRect:(CGRect)rect {
8102     bool highlighted(highlighted_);
8103     float width(rect.size.width);
8104
8105     if (icon_ != nil)
8106         [icon_ drawInRect:CGRectMake(10, 10, 30, 30)];
8107
8108     if (highlighted)
8109         UISetColor(White_);
8110
8111     if (!highlighted)
8112         UISetColor(Black_);
8113     [origin_ drawAtPoint:CGPointMake(48, 8) forWidth:(width - 60) withFont:Font18Bold_ lineBreakMode:UILineBreakModeTailTruncation];
8114
8115     if (!highlighted)
8116         UISetColor(Blue_);
8117     [label_ drawAtPoint:CGPointMake(58, 29) forWidth:(width - 75) withFont:Font12_ lineBreakMode:UILineBreakModeTailTruncation];
8118 }
8119
8120 @end
8121 /* }}} */
8122 /* Source Controller {{{ */
8123 @interface SourceController : FilteredPackageListController {
8124     _transient Source *source_;
8125     _H<NSString> key_;
8126 }
8127
8128 - (id) initWithDatabase:(Database *)database source:(Source *)source;
8129
8130 @end
8131
8132 @implementation SourceController
8133
8134 - (NSURL *) navigationURL {
8135     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sources/%@", [key_ stringByAddingPercentEscapesIncludingReserved]]];
8136 }
8137
8138 - (id) initWithDatabase:(Database *)database source:(Source *)source {
8139     if ((self = [super initWithDatabase:database title:[source label] filter:@selector(isVisibleInSource:) with:source]) != nil) {
8140         source_ = source;
8141         key_ = [source key];
8142     } return self;
8143 }
8144
8145 - (void) reloadData {
8146     source_ = [database_ sourceWithKey:key_];
8147     key_ = [source_ key];
8148     [self setObject:source_];
8149
8150     [[self navigationItem] setTitle:[source_ label]];
8151
8152     [super reloadData];
8153 }
8154
8155 @end
8156 /* }}} */
8157 /* Sources Controller {{{ */
8158 @interface SourcesController : CyteViewController <
8159     UITableViewDataSource,
8160     UITableViewDelegate
8161 > {
8162     _transient Database *database_;
8163     _H<UITableView, 2> list_;
8164     _H<NSMutableArray> sources_;
8165     int offset_;
8166
8167     _H<NSString> href_;
8168     _H<UIProgressHUD> hud_;
8169     _H<NSError> error_;
8170
8171     //NSURLConnection *installer_;
8172     NSURLConnection *trivial_;
8173     NSURLConnection *trivial_bz2_;
8174     NSURLConnection *trivial_gz_;
8175     //NSURLConnection *automatic_;
8176
8177     BOOL cydia_;
8178 }
8179
8180 - (id) initWithDatabase:(Database *)database;
8181 - (void) updateButtonsForEditingStatus:(BOOL)editing animated:(BOOL)animated;
8182
8183 @end
8184
8185 @implementation SourcesController
8186
8187 - (void) _releaseConnection:(NSURLConnection *)connection {
8188     if (connection != nil) {
8189         [connection cancel];
8190         //[connection setDelegate:nil];
8191         [connection release];
8192     }
8193 }
8194
8195 - (void) dealloc {
8196     //[self _releaseConnection:installer_];
8197     [self _releaseConnection:trivial_];
8198     [self _releaseConnection:trivial_gz_];
8199     [self _releaseConnection:trivial_bz2_];
8200     //[self _releaseConnection:automatic_];
8201
8202     [super dealloc];
8203 }
8204
8205 - (NSURL *) navigationURL {
8206     return [NSURL URLWithString:@"cydia://sources"];
8207 }
8208
8209 - (void) viewDidAppear:(BOOL)animated {
8210     [super viewDidAppear:animated];
8211     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
8212 }
8213
8214 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
8215     return 1;
8216 }
8217
8218 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
8219     return nil;
8220 }
8221
8222 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
8223     return [sources_ count];
8224 }
8225
8226 - (Source *) sourceAtIndexPath:(NSIndexPath *)indexPath {
8227     return [sources_ objectAtIndex:[indexPath row]];
8228 }
8229
8230 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
8231     static NSString *cellIdentifier = @"SourceCell";
8232
8233     SourceCell *cell = (SourceCell *) [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
8234     if(cell == nil) cell = [[[SourceCell alloc] initWithFrame:CGRectZero reuseIdentifier:cellIdentifier] autorelease];
8235     [cell setSource:[self sourceAtIndexPath:indexPath]];
8236     [cell setAccessoryType:UITableViewCellAccessoryDisclosureIndicator];
8237
8238     return cell;
8239 }
8240
8241 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
8242     Source *source = [self sourceAtIndexPath:indexPath];
8243
8244     SourceController *controller = [[[SourceController alloc]
8245         initWithDatabase:database_
8246         source:source
8247     ] autorelease];
8248
8249     [controller setDelegate:delegate_];
8250
8251     [[self navigationController] pushViewController:controller animated:YES];
8252 }
8253
8254 - (BOOL) tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
8255     Source *source = [self sourceAtIndexPath:indexPath];
8256     return [source record] != nil;
8257 }
8258
8259 - (void) tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
8260     if (editingStyle ==  UITableViewCellEditingStyleDelete) {
8261         Source *source = [self sourceAtIndexPath:indexPath];
8262         [Sources_ removeObjectForKey:[source key]];
8263         [delegate_ syncData];
8264     }
8265 }
8266
8267 - (void) complete {
8268     [delegate_ addTrivialSource:href_];
8269     [delegate_ syncData];
8270 }
8271
8272 - (NSString *) getWarning {
8273     NSString *href(href_);
8274     NSRange colon([href rangeOfString:@"://"]);
8275     if (colon.location != NSNotFound)
8276         href = [href substringFromIndex:(colon.location + 3)];
8277     href = [href stringByAddingPercentEscapes];
8278     href = [CydiaURL(@"api/repotag/") stringByAppendingString:href];
8279     href = [href stringByCachingURLWithCurrentCDN];
8280
8281     NSURL *url([NSURL URLWithString:href]);
8282
8283     NSStringEncoding encoding;
8284     NSError *error(nil);
8285
8286     if (NSString *warning = [NSString stringWithContentsOfURL:url usedEncoding:&encoding error:&error])
8287         return [warning length] == 0 ? nil : warning;
8288     return nil;
8289 }
8290
8291 - (void) _endConnection:(NSURLConnection *)connection {
8292     // XXX: the memory management in this method is horribly awkward
8293
8294     NSURLConnection **field = NULL;
8295     if (connection == trivial_)
8296         field = &trivial_;
8297     else if (connection == trivial_bz2_)
8298         field = &trivial_bz2_;
8299     else if (connection == trivial_gz_)
8300         field = &trivial_gz_;
8301     _assert(field != NULL);
8302     [connection release];
8303     *field = nil;
8304
8305     if (
8306         trivial_ == nil &&
8307         trivial_bz2_ == nil &&
8308         trivial_gz_ == nil
8309     ) {
8310         [delegate_ releaseNetworkActivityIndicator];
8311
8312         [delegate_ removeProgressHUD:hud_];
8313         hud_ = nil;
8314
8315         bool defer(false);
8316
8317         if (cydia_) {
8318             if (NSString *warning = [self yieldToSelector:@selector(getWarning)]) {
8319                 defer = true;
8320
8321                 UIAlertView *alert = [[[UIAlertView alloc]
8322                     initWithTitle:UCLocalize("SOURCE_WARNING")
8323                     message:warning
8324                     delegate:self
8325                     cancelButtonTitle:UCLocalize("CANCEL")
8326                     otherButtonTitles:
8327                         UCLocalize("ADD_ANYWAY"),
8328                     nil
8329                 ] autorelease];
8330
8331                 [alert setContext:@"warning"];
8332                 [alert setNumberOfRows:1];
8333                 [alert show];
8334             } else
8335                 [self complete];
8336         } else if (error_ != nil) {
8337             UIAlertView *alert = [[[UIAlertView alloc]
8338                 initWithTitle:UCLocalize("VERIFICATION_ERROR")
8339                 message:[error_ localizedDescription]
8340                 delegate:self
8341                 cancelButtonTitle:UCLocalize("OK")
8342                 otherButtonTitles:nil
8343             ] autorelease];
8344
8345             [alert setContext:@"urlerror"];
8346             [alert show];
8347         } else {
8348             UIAlertView *alert = [[[UIAlertView alloc]
8349                 initWithTitle:UCLocalize("NOT_REPOSITORY")
8350                 message:UCLocalize("NOT_REPOSITORY_EX")
8351                 delegate:self
8352                 cancelButtonTitle:UCLocalize("OK")
8353                 otherButtonTitles:nil
8354             ] autorelease];
8355
8356             [alert setContext:@"trivial"];
8357             [alert show];
8358         }
8359
8360         href_ = nil;
8361         error_ = nil;
8362     }
8363 }
8364
8365 - (void) connection:(NSURLConnection *)connection didReceiveResponse:(NSHTTPURLResponse *)response {
8366     switch ([response statusCode]) {
8367         case 200:
8368             cydia_ = YES;
8369     }
8370 }
8371
8372 - (void) connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
8373     lprintf("connection:\"%s\" didFailWithError:\"%s\"", [href_ UTF8String], [[error localizedDescription] UTF8String]);
8374     error_ = error;
8375     [self _endConnection:connection];
8376 }
8377
8378 - (void) connectionDidFinishLoading:(NSURLConnection *)connection {
8379     [self _endConnection:connection];
8380 }
8381
8382 - (NSURLConnection *) _requestHRef:(NSString *)href method:(NSString *)method {
8383     NSURL *url([NSURL URLWithString:href]);
8384
8385     NSMutableURLRequest *request = [NSMutableURLRequest
8386         requestWithURL:url
8387         cachePolicy:NSURLRequestUseProtocolCachePolicy
8388         timeoutInterval:120.0
8389     ];
8390
8391     [request setHTTPMethod:method];
8392
8393     if (Machine_ != NULL)
8394         [request setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
8395
8396     if ([url isCydiaSecure]) {
8397         if (UniqueID_ != nil) {
8398             [request setValue:UniqueID_ forHTTPHeaderField:@"X-Unique-ID"];
8399             [request setValue:UniqueID_ forHTTPHeaderField:@"X-Cydia-Id"];
8400         }
8401     }
8402
8403     return [[[NSURLConnection alloc] initWithRequest:request delegate:self] autorelease];
8404 }
8405
8406 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
8407     NSString *context([alert context]);
8408
8409     if ([context isEqualToString:@"source"]) {
8410         switch (button) {
8411             case 1: {
8412                 NSString *href = [[alert textField] text];
8413
8414                 //installer_ = [[self _requestHRef:href method:@"GET"] retain];
8415
8416                 if (![href hasSuffix:@"/"])
8417                     href_ = [href stringByAppendingString:@"/"];
8418                 else
8419                     href_ = href;
8420
8421                 trivial_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages"] method:@"HEAD"] retain];
8422                 trivial_bz2_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.bz2"] method:@"HEAD"] retain];
8423                 trivial_gz_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.gz"] method:@"HEAD"] retain];
8424                 //trivial_bz2_ = [[self _requestHRef:[href stringByAppendingString:@"dists/Release"] method:@"HEAD"] retain];
8425
8426                 cydia_ = false;
8427
8428                 // XXX: this is stupid
8429                 hud_ = [delegate_ addProgressHUD];
8430                 [hud_ setText:UCLocalize("VERIFYING_URL")];
8431                 [delegate_ retainNetworkActivityIndicator];
8432             } break;
8433
8434             case 0:
8435             break;
8436
8437             _nodefault
8438         }
8439
8440         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8441     } else if ([context isEqualToString:@"trivial"])
8442         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8443     else if ([context isEqualToString:@"urlerror"])
8444         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8445     else if ([context isEqualToString:@"warning"]) {
8446         switch (button) {
8447             case 1:
8448                 [self complete];
8449             break;
8450
8451             case 0:
8452             break;
8453
8454             _nodefault
8455         }
8456
8457         href_ = nil;
8458
8459         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8460     }
8461 }
8462
8463 - (void) loadView {
8464     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8465
8466     list_ = [[[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain] autorelease];
8467     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8468     [list_ setRowHeight:53];
8469     [(UITableView *) list_ setDataSource:self];
8470     [list_ setDelegate:self];
8471     [[self view] addSubview:list_];
8472 }
8473
8474 - (void) viewDidLoad {
8475     [super viewDidLoad];
8476
8477     [[self navigationItem] setTitle:UCLocalize("SOURCES")];
8478     [self updateButtonsForEditingStatus:NO animated:NO];
8479 }
8480
8481 - (void) releaseSubviews {
8482     list_ = nil;
8483
8484     sources_ = nil;
8485
8486     [super releaseSubviews];
8487 }
8488
8489 - (id) initWithDatabase:(Database *)database {
8490     if ((self = [super init]) != nil) {
8491         database_ = database;
8492     } return self;
8493 }
8494
8495 - (void) reloadData {
8496     [super reloadData];
8497
8498     pkgSourceList list;
8499     if ([database_ popErrorWithTitle:UCLocalize("SOURCES") forOperation:list.ReadMainList()])
8500         return;
8501
8502     sources_ = [NSMutableArray arrayWithCapacity:16];
8503     [sources_ addObjectsFromArray:[database_ sources]];
8504     _trace();
8505     [sources_ sortUsingSelector:@selector(compareByName:)];
8506     _trace();
8507
8508     int count([sources_ count]);
8509     offset_ = 0;
8510     for (int i = 0; i != count; i++) {
8511         if ([[sources_ objectAtIndex:i] record] == nil)
8512             break;
8513         offset_++;
8514     }
8515
8516     [list_ setEditing:NO];
8517     [self updateButtonsForEditingStatus:NO animated:NO];
8518     [list_ reloadData];
8519 }
8520
8521 - (void) showAddSourcePrompt {
8522     UIAlertView *alert = [[[UIAlertView alloc]
8523         initWithTitle:UCLocalize("ENTER_APT_URL")
8524         message:nil
8525         delegate:self
8526         cancelButtonTitle:UCLocalize("CANCEL")
8527         otherButtonTitles:
8528             UCLocalize("ADD_SOURCE"),
8529         nil
8530     ] autorelease];
8531
8532     [alert setContext:@"source"];
8533
8534     [alert setNumberOfRows:1];
8535     [alert addTextFieldWithValue:@"http://" label:@""];
8536
8537     UITextInputTraits *traits = [[alert textField] textInputTraits];
8538     [traits setAutocapitalizationType:UITextAutocapitalizationTypeNone];
8539     [traits setAutocorrectionType:UITextAutocorrectionTypeNo];
8540     [traits setKeyboardType:UIKeyboardTypeURL];
8541     // XXX: UIReturnKeyDone
8542     [traits setReturnKeyType:UIReturnKeyNext];
8543
8544     [alert show];
8545 }
8546
8547 - (void) addButtonClicked {
8548     [self showAddSourcePrompt];
8549 }
8550
8551 - (void) updateButtonsForEditingStatus:(BOOL)editing animated:(BOOL)animated {
8552     [[self navigationItem] setLeftBarButtonItem:(editing ? [[[UIBarButtonItem alloc]
8553         initWithTitle:UCLocalize("ADD")
8554         style:UIBarButtonItemStylePlain
8555         target:self
8556         action:@selector(addButtonClicked)
8557     ] autorelease] : [[self navigationItem] backBarButtonItem]) animated:animated];
8558
8559     [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8560         initWithTitle:(editing ? UCLocalize("DONE") : UCLocalize("EDIT"))
8561         style:(editing ? UIBarButtonItemStyleDone : UIBarButtonItemStylePlain)
8562         target:self
8563         action:@selector(editButtonClicked)
8564     ] autorelease] animated:animated];
8565
8566     if (IsWildcat_ && !editing)
8567         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
8568             initWithTitle:UCLocalize("SETTINGS")
8569             style:UIBarButtonItemStylePlain
8570             target:self
8571             action:@selector(settingsButtonClicked)
8572         ] autorelease]];
8573 }
8574
8575 - (void) settingsButtonClicked {
8576     [delegate_ showSettings];
8577 }
8578
8579 - (void) editButtonClicked {
8580     [list_ setEditing:![list_ isEditing] animated:YES];
8581
8582     [self updateButtonsForEditingStatus:[list_ isEditing] animated:YES];
8583 }
8584
8585 @end
8586 /* }}} */
8587
8588 /* Settings Controller {{{ */
8589 @interface SettingsController : CyteViewController <
8590     UITableViewDataSource,
8591     UITableViewDelegate
8592 > {
8593     _transient Database *database_;
8594     // XXX: ok, "roledelegate_"?...
8595     _transient id roledelegate_;
8596     _H<UITableView, 2> table_;
8597     _H<UISegmentedControl> segment_;
8598     _H<UIView> container_;
8599 }
8600
8601 - (void) showDoneButton;
8602 - (void) resizeSegmentedControl;
8603
8604 @end
8605
8606 @implementation SettingsController
8607
8608 - (void) loadView {
8609     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8610
8611     table_ = [[[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped] autorelease];
8612     [table_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8613     [table_ setDelegate:self];
8614     [(UITableView *) table_ setDataSource:self];
8615     [[self view] addSubview:table_];
8616
8617     NSArray *items = [NSArray arrayWithObjects:
8618         UCLocalize("USER"),
8619         UCLocalize("HACKER"),
8620         UCLocalize("DEVELOPER"),
8621     nil];
8622     segment_ = [[[UISegmentedControl alloc] initWithItems:items] autorelease];
8623     container_ = [[[UIView alloc] initWithFrame:CGRectMake(0, 0, [[self view] frame].size.width, 44.0f)] autorelease];
8624     [container_ addSubview:segment_];
8625 }
8626
8627 - (void) viewDidLoad {
8628     [super viewDidLoad];
8629
8630     [[self navigationItem] setTitle:UCLocalize("WHO_ARE_YOU")];
8631
8632     int index = -1;
8633     if ([Role_ isEqualToString:@"User"]) index = 0;
8634     if ([Role_ isEqualToString:@"Hacker"]) index = 1;
8635     if ([Role_ isEqualToString:@"Developer"]) index = 2;
8636     if (index != -1) {
8637         [segment_ setSelectedSegmentIndex:index];
8638         [self showDoneButton];
8639     }
8640
8641     [segment_ addTarget:self action:@selector(segmentChanged:) forControlEvents:UIControlEventValueChanged];
8642     [self resizeSegmentedControl];
8643 }
8644
8645 - (void) releaseSubviews {
8646     table_ = nil;
8647     segment_ = nil;
8648     container_ = nil;
8649
8650     [super releaseSubviews];
8651 }
8652
8653 - (id) initWithDatabase:(Database *)database delegate:(id)delegate {
8654     if ((self = [super init]) != nil) {
8655         database_ = database;
8656         roledelegate_ = delegate;
8657     } return self;
8658 }
8659
8660 - (void) resizeSegmentedControl {
8661     CGFloat width = [[self view] frame].size.width;
8662     [segment_ setFrame:CGRectMake(width / 32.0f, 0, width - (width / 32.0f * 2.0f), 44.0f)];
8663 }
8664
8665 - (void) viewWillAppear:(BOOL)animated {
8666     [super viewWillAppear:animated];
8667
8668     [self resizeSegmentedControl];
8669 }
8670
8671 - (void) willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation duration:(NSTimeInterval)duration {
8672     [self resizeSegmentedControl];
8673 }
8674
8675 - (void) didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
8676     [self resizeSegmentedControl];
8677 }
8678
8679 - (void) save {
8680     NSString *role(nil);
8681
8682     switch ([segment_ selectedSegmentIndex]) {
8683         case 0: role = @"User"; break;
8684         case 1: role = @"Hacker"; break;
8685         case 2: role = @"Developer"; break;
8686
8687         _nodefault
8688     }
8689
8690     if (![role isEqualToString:Role_]) {
8691         bool rolling(Role_ == nil);
8692         Role_ = role;
8693
8694         Settings_ = [NSMutableDictionary dictionaryWithObjectsAndKeys:
8695             Role_, @"Role",
8696         nil];
8697
8698         [Metadata_ setObject:Settings_ forKey:@"Settings"];
8699         Changed_ = true;
8700
8701         if (rolling)
8702             [roledelegate_ loadData];
8703         else
8704             [roledelegate_ updateData];
8705     }
8706 }
8707
8708 - (void) segmentChanged:(UISegmentedControl *)control {
8709     [self showDoneButton];
8710 }
8711
8712 - (void) saveAndClose {
8713     [self save];
8714
8715     [[self navigationItem] setRightBarButtonItem:nil];
8716     [[self navigationController] dismissModalViewControllerAnimated:YES];
8717 }
8718
8719 - (void) doneButtonClicked {
8720     UIActivityIndicatorView *spinner = [[[UIActivityIndicatorView alloc] initWithFrame:CGRectMake(0, 0, 20.0f, 20.0f)] autorelease];
8721     [spinner startAnimating];
8722     UIBarButtonItem *spinItem = [[[UIBarButtonItem alloc] initWithCustomView:spinner] autorelease];
8723     [[self navigationItem] setRightBarButtonItem:spinItem];
8724
8725     [self performSelector:@selector(saveAndClose) withObject:nil afterDelay:0];
8726 }
8727
8728 - (void) showDoneButton {
8729     [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8730         initWithTitle:UCLocalize("DONE")
8731         style:UIBarButtonItemStyleDone
8732         target:self
8733         action:@selector(doneButtonClicked)
8734     ] autorelease] animated:([[self navigationItem] rightBarButtonItem] == nil)];
8735 }
8736
8737 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
8738     // XXX: For not having a single cell in the table, this sure is a lot of sections.
8739     return 6;
8740 }
8741
8742 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
8743     return 0; // :(
8744 }
8745
8746 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
8747     return nil; // This method is required by the protocol.
8748 }
8749
8750 - (NSString *) tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
8751     if (section == 1)
8752         return UCLocalize("ROLE_EX");
8753     if (section == 4)
8754         return [NSString stringWithFormat:
8755             @"%@: %@\n%@: %@\n%@: %@",
8756             UCLocalize("USER"), UCLocalize("USER_EX"),
8757             UCLocalize("HACKER"), UCLocalize("HACKER_EX"),
8758             UCLocalize("DEVELOPER"), UCLocalize("DEVELOPER_EX")
8759         ];
8760     else return nil;
8761 }
8762
8763 - (CGFloat) tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section {
8764     return section == 3 ? 44.0f : 0;
8765 }
8766
8767 - (UIView *) tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
8768     return section == 3 ? container_ : nil;
8769 }
8770
8771 - (void) reloadData {
8772     [super reloadData];
8773
8774     [table_ reloadData];
8775 }
8776
8777 @end
8778 /* }}} */
8779 /* Stash Controller {{{ */
8780 @interface StashController : CyteViewController {
8781     _H<UIActivityIndicatorView> spinner_;
8782     _H<UILabel> status_;
8783     _H<UILabel> caption_;
8784 }
8785
8786 @end
8787
8788 @implementation StashController
8789
8790 - (void) loadView {
8791     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8792     [[self view] setBackgroundColor:[UIColor viewFlipsideBackgroundColor]];
8793
8794     spinner_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge] autorelease];
8795     CGRect spinrect = [spinner_ frame];
8796     spinrect.origin.x = ([[self view] frame].size.width / 2) - (spinrect.size.width / 2);
8797     spinrect.origin.y = [[self view] frame].size.height - 80.0f;
8798     [spinner_ setFrame:spinrect];
8799     [spinner_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin];
8800     [[self view] addSubview:spinner_];
8801     [spinner_ startAnimating];
8802
8803     CGRect captrect;
8804     captrect.size.width = [[self view] frame].size.width;
8805     captrect.size.height = 40.0f;
8806     captrect.origin.x = 0;
8807     captrect.origin.y = ([[self view] frame].size.height / 2) - (captrect.size.height * 2);
8808     caption_ = [[[UILabel alloc] initWithFrame:captrect] autorelease];
8809     [caption_ setText:UCLocalize("PREPARING_FILESYSTEM")];
8810     [caption_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8811     [caption_ setFont:[UIFont boldSystemFontOfSize:28.0f]];
8812     [caption_ setTextColor:[UIColor whiteColor]];
8813     [caption_ setBackgroundColor:[UIColor clearColor]];
8814     [caption_ setShadowColor:[UIColor blackColor]];
8815     [caption_ setTextAlignment:UITextAlignmentCenter];
8816     [[self view] addSubview:caption_];
8817
8818     CGRect statusrect;
8819     statusrect.size.width = [[self view] frame].size.width;
8820     statusrect.size.height = 30.0f;
8821     statusrect.origin.x = 0;
8822     statusrect.origin.y = ([[self view] frame].size.height / 2) - statusrect.size.height;
8823     status_ = [[[UILabel alloc] initWithFrame:statusrect] autorelease];
8824     [status_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8825     [status_ setText:UCLocalize("EXIT_WHEN_COMPLETE")];
8826     [status_ setFont:[UIFont systemFontOfSize:16.0f]];
8827     [status_ setTextColor:[UIColor whiteColor]];
8828     [status_ setBackgroundColor:[UIColor clearColor]];
8829     [status_ setShadowColor:[UIColor blackColor]];
8830     [status_ setTextAlignment:UITextAlignmentCenter];
8831     [[self view] addSubview:status_];
8832 }
8833
8834 - (void) releaseSubviews {
8835     spinner_ = nil;
8836     status_ = nil;
8837     caption_ = nil;
8838
8839     [super releaseSubviews];
8840 }
8841
8842 @end
8843 /* }}} */
8844
8845 @interface CYURLCache : SDURLCache {
8846 }
8847
8848 @end
8849
8850 @implementation CYURLCache
8851
8852 - (void) logEvent:(NSString *)event forRequest:(NSURLRequest *)request {
8853 #if !ForRelease
8854     if (false);
8855     else if ([event isEqualToString:@"no-cache"])
8856         event = @"!!!";
8857     else if ([event isEqualToString:@"store"])
8858         event = @">>>";
8859     else if ([event isEqualToString:@"invalid"])
8860         event = @"???";
8861     else if ([event isEqualToString:@"memory"])
8862         event = @"mem";
8863     else if ([event isEqualToString:@"disk"])
8864         event = @"ssd";
8865     else if ([event isEqualToString:@"miss"])
8866         event = @"---";
8867
8868     NSLog(@"%@: %@", event, [[request URL] absoluteString]);
8869 #endif
8870 }
8871
8872 - (void) storeCachedResponse:(NSCachedURLResponse *)cached forRequest:(NSURLRequest *)request {
8873     if (NSURLResponse *response = [cached response])
8874         if (NSString *mime = [response MIMEType])
8875             if ([mime isEqualToString:@"text/cache-manifest"]) {
8876                 NSURL *url([response URL]);
8877
8878 #if !ForRelease
8879                 NSLog(@"###: %@", [url absoluteString]);
8880 #endif
8881
8882                 @synchronized (HostConfig_) {
8883                     [CachedURLs_ addObject:url];
8884                 }
8885             }
8886
8887     [super storeCachedResponse:cached forRequest:request];
8888 }
8889
8890 @end
8891
8892 @interface Cydia : UIApplication <
8893     ConfirmationControllerDelegate,
8894     DatabaseDelegate,
8895     CydiaDelegate,
8896     UINavigationControllerDelegate,
8897     UITabBarControllerDelegate
8898 > {
8899     _H<UIWindow> window_;
8900     _H<CYTabBarController> tabbar_;
8901     _H<CydiaLoadingViewController> emulated_;
8902
8903     _H<NSMutableArray> essential_;
8904     _H<NSMutableArray> broken_;
8905
8906     Database *database_;
8907
8908     _H<NSURL> starturl_;
8909
8910     unsigned locked_;
8911     unsigned activity_;
8912
8913     _H<StashController> stash_;
8914
8915     bool loaded_;
8916 }
8917
8918 - (void) loadData;
8919
8920 @end
8921
8922 @implementation Cydia
8923
8924 - (void) beginUpdate {
8925     [tabbar_ beginUpdate];
8926 }
8927
8928 - (BOOL) updating {
8929     return [tabbar_ updating];
8930 }
8931
8932 - (void) _loaded {
8933     if ([broken_ count] != 0) {
8934         int count = [broken_ count];
8935
8936         UIAlertView *alert = [[[UIAlertView alloc]
8937             initWithTitle:(count == 1 ? UCLocalize("HALFINSTALLED_PACKAGE") : [NSString stringWithFormat:UCLocalize("HALFINSTALLED_PACKAGES"), count])
8938             message:UCLocalize("HALFINSTALLED_PACKAGE_EX")
8939             delegate:self
8940             cancelButtonTitle:UCLocalize("FORCIBLY_CLEAR")
8941             otherButtonTitles:
8942                 UCLocalize("TEMPORARY_IGNORE"),
8943             nil
8944         ] autorelease];
8945
8946         [alert setContext:@"fixhalf"];
8947         [alert setNumberOfRows:2];
8948         [alert show];
8949     } else if (!Ignored_ && [essential_ count] != 0) {
8950         int count = [essential_ count];
8951
8952         UIAlertView *alert = [[[UIAlertView alloc]
8953             initWithTitle:(count == 1 ? UCLocalize("ESSENTIAL_UPGRADE") : [NSString stringWithFormat:UCLocalize("ESSENTIAL_UPGRADES"), count])
8954             message:UCLocalize("ESSENTIAL_UPGRADE_EX")
8955             delegate:self
8956             cancelButtonTitle:UCLocalize("TEMPORARY_IGNORE")
8957             otherButtonTitles:
8958                 UCLocalize("UPGRADE_ESSENTIAL"),
8959                 UCLocalize("COMPLETE_UPGRADE"),
8960             nil
8961         ] autorelease];
8962
8963         [alert setContext:@"upgrade"];
8964         [alert show];
8965     }
8966 }
8967
8968 - (void) returnToCydia {
8969     [self _loaded];
8970 }
8971
8972 - (void) _saveConfig {
8973     _trace();
8974     MetaFile_.Sync();
8975     _trace();
8976
8977     if (Changed_) {
8978         NSString *error(nil);
8979
8980         if (NSData *data = [NSPropertyListSerialization dataFromPropertyList:Metadata_ format:NSPropertyListBinaryFormat_v1_0 errorDescription:&error]) {
8981             _trace();
8982             NSError *error(nil);
8983             if (![data writeToFile:@"/var/lib/cydia/metadata.plist" options:NSAtomicWrite error:&error])
8984                 NSLog(@"failure to save metadata data: %@", error);
8985             _trace();
8986
8987             Changed_ = false;
8988         } else {
8989             NSLog(@"failure to serialize metadata: %@", error);
8990         }
8991     }
8992
8993     WriteSources();
8994 }
8995
8996 // Navigation controller for the queuing badge.
8997 - (UINavigationController *) queueNavigationController {
8998     NSArray *controllers = [tabbar_ viewControllers];
8999     return [controllers objectAtIndex:3];
9000 }
9001
9002 - (void) unloadData {
9003     [tabbar_ unloadData];
9004 }
9005
9006 - (void) _updateData {
9007     [self _saveConfig];
9008     [self unloadData];
9009
9010     UINavigationController *navigation = [self queueNavigationController];
9011
9012     id queuedelegate = nil;
9013     if ([[navigation viewControllers] count] > 0)
9014         queuedelegate = [[navigation viewControllers] objectAtIndex:0];
9015
9016     [queuedelegate queueStatusDidChange];
9017     [[navigation tabBarItem] setBadgeValue:(Queuing_ ? UCLocalize("Q_D") : nil)];
9018 }
9019
9020 - (void) _refreshIfPossible:(NSDate *)update {
9021     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
9022
9023     bool recently = false;
9024     if (update != nil) {
9025         NSTimeInterval interval([update timeIntervalSinceNow]);
9026         if (interval <= 0 && interval > -(15*60))
9027             recently = true;
9028     }
9029
9030     // Don't automatic refresh if:
9031     //  - We already refreshed recently.
9032     //  - We already auto-refreshed this launch.
9033     //  - Auto-refresh is disabled.
9034     if (recently || loaded_ || ManualRefresh) {
9035         // If we are cancelling, we need to make sure it knows it's already loaded.
9036         loaded_ = true;
9037
9038         [self performSelectorOnMainThread:@selector(_loaded) withObject:nil waitUntilDone:NO];
9039     } else {
9040         // We are going to load, so remember that.
9041         loaded_ = true;
9042
9043         SCNetworkReachabilityFlags flags; {
9044             SCNetworkReachabilityRef reachability(SCNetworkReachabilityCreateWithName(NULL, "cydia.saurik.com"));
9045             SCNetworkReachabilityGetFlags(reachability, &flags);
9046             CFRelease(reachability);
9047         }
9048
9049         // XXX: this elaborate mess is what Apple is using to determine this? :(
9050         // XXX: do we care if the user has to intervene? maybe that's ok?
9051         bool reachable(
9052             (flags & kSCNetworkReachabilityFlagsReachable) != 0 && (
9053                 (flags & kSCNetworkReachabilityFlagsConnectionRequired) == 0 || (
9054                     (flags & kSCNetworkReachabilityFlagsConnectionOnDemand) != 0 ||
9055                     (flags & kSCNetworkReachabilityFlagsConnectionOnTraffic) != 0
9056                 ) && (flags & kSCNetworkReachabilityFlagsInterventionRequired) == 0 ||
9057                 (flags & kSCNetworkReachabilityFlagsIsWWAN) != 0
9058             )
9059         );
9060
9061         // If we can reach the server, auto-refresh!
9062         if (reachable)
9063             [tabbar_ performSelectorOnMainThread:@selector(setUpdate:) withObject:update waitUntilDone:NO];
9064     }
9065
9066     [pool release];
9067 }
9068
9069 - (void) refreshIfPossible {
9070     [NSThread detachNewThreadSelector:@selector(_refreshIfPossible:) toTarget:self withObject:[Metadata_ objectForKey:@"LastUpdate"]];
9071 }
9072
9073 - (void) reloadDataWithInvocation:(NSInvocation *)invocation {
9074 @synchronized (self) {
9075     UIProgressHUD *hud(loaded_ ? [self addProgressHUD] : nil);
9076     [hud setText:UCLocalize("RELOADING_DATA")];
9077
9078     [database_ yieldToSelector:@selector(reloadDataWithInvocation:) withObject:invocation];
9079
9080     if (hud != nil)
9081         [self removeProgressHUD:hud];
9082
9083     size_t changes(0);
9084
9085     [essential_ removeAllObjects];
9086     [broken_ removeAllObjects];
9087
9088     NSArray *packages([database_ packages]);
9089     for (Package *package in packages) {
9090         if ([package half])
9091             [broken_ addObject:package];
9092         if ([package upgradableAndEssential:NO]) {
9093             if ([package essential])
9094                 [essential_ addObject:package];
9095             ++changes;
9096         }
9097     }
9098
9099     UITabBarItem *changesItem = [[[tabbar_ viewControllers] objectAtIndex:2] tabBarItem];
9100     if (changes != 0) {
9101         _trace();
9102         NSString *badge([[NSNumber numberWithInt:changes] stringValue]);
9103         [changesItem setBadgeValue:badge];
9104         [changesItem setAnimatedBadge:([essential_ count] > 0)];
9105         [self setApplicationIconBadgeNumber:changes];
9106     } else {
9107         _trace();
9108         [changesItem setBadgeValue:nil];
9109         [changesItem setAnimatedBadge:NO];
9110         [self setApplicationIconBadgeNumber:0];
9111     }
9112
9113     [self _updateData];
9114 } }
9115
9116 - (void) updateData {
9117     [self _updateData];
9118 }
9119
9120 - (void) update_ {
9121     [database_ update];
9122     [self performSelectorOnMainThread:@selector(reloadData) withObject:nil waitUntilDone:YES];
9123 }
9124
9125 - (void) disemulate {
9126     if (emulated_ == nil)
9127         return;
9128
9129     [window_ addSubview:[tabbar_ view]];
9130     [[emulated_ view] removeFromSuperview];
9131     emulated_ = nil;
9132     [window_ setUserInteractionEnabled:YES];
9133 }
9134
9135 - (void) presentModalViewController:(UIViewController *)controller force:(BOOL)force {
9136     UINavigationController *navigation([[[UINavigationController alloc] initWithRootViewController:controller] autorelease]);
9137     if (IsWildcat_)
9138         [navigation setModalPresentationStyle:UIModalPresentationFormSheet];
9139
9140     UIViewController *parent;
9141     if (emulated_ == nil)
9142         parent = tabbar_;
9143     else if (!force)
9144         parent = emulated_;
9145     else {
9146         [self disemulate];
9147         parent = tabbar_;
9148     }
9149
9150     [parent presentModalViewController:navigation animated:YES];
9151 }
9152
9153 - (ProgressController *) invokeNewProgress:(NSInvocation *)invocation forController:(UINavigationController *)navigation withTitle:(NSString *)title {
9154     ProgressController *progress([[[ProgressController alloc] initWithDatabase:database_ delegate:self] autorelease]);
9155
9156     if (navigation != nil)
9157         [navigation pushViewController:progress animated:YES];
9158     else
9159         [self presentModalViewController:progress force:YES];
9160
9161     [progress invoke:invocation withTitle:title];
9162     return progress;
9163 }
9164
9165 - (void) detachNewProgressSelector:(SEL)selector toTarget:(id)target forController:(UINavigationController *)navigation title:(NSString *)title {
9166     [self invokeNewProgress:[NSInvocation invocationWithSelector:selector forTarget:target] forController:navigation withTitle:title];
9167 }
9168
9169 - (void) repairWithInvocation:(NSInvocation *)invocation {
9170     _trace();
9171     [self invokeNewProgress:invocation forController:nil withTitle:@"REPAIRING"];
9172     _trace();
9173 }
9174
9175 - (void) repairWithSelector:(SEL)selector {
9176     [self performSelectorOnMainThread:@selector(repairWithInvocation:) withObject:[NSInvocation invocationWithSelector:selector forTarget:database_] waitUntilDone:YES];
9177 }
9178
9179 - (void) reloadData {
9180     [self reloadDataWithInvocation:nil];
9181     if ([database_ progressDelegate] == nil)
9182         [self _loaded];
9183 }
9184
9185 - (void) syncData {
9186     [self _saveConfig];
9187     [self detachNewProgressSelector:@selector(update_) toTarget:self forController:nil title:@"UPDATING_SOURCES"];
9188 }
9189
9190 - (void) addSource:(NSDictionary *) source {
9191     AddSource(source);
9192 }
9193
9194 - (void) addSource:(NSString *)href withDistribution:(NSString *)distribution andSections:(NSArray *)sections {
9195     AddSource(href, distribution, sections);
9196 }
9197
9198 - (void) addTrivialSource:(NSString *)href {
9199     AddSource(href, @"./");
9200 }
9201
9202 - (void) updateValues {
9203     Changed_ = true;
9204 }
9205
9206 - (void) resolve {
9207     pkgProblemResolver *resolver = [database_ resolver];
9208
9209     resolver->InstallProtect();
9210     if (!resolver->Resolve(true))
9211         _error->Discard();
9212 }
9213
9214 - (bool) perform {
9215     // XXX: this is a really crappy way of doing this.
9216     // like, seriously: this state machine is still broken, and cancelling this here doesn't really /fix/ that.
9217     // for one, the user can still /start/ a reloading data event while they have a queue, which is stupid
9218     // for two, this just means there is a race condition between the refresh completing and the confirmation controller appearing.
9219     if ([tabbar_ updating])
9220         [tabbar_ cancelUpdate];
9221
9222     if (![database_ prepare])
9223         return false;
9224
9225     ConfirmationController *page([[[ConfirmationController alloc] initWithDatabase:database_] autorelease]);
9226     [page setDelegate:self];
9227     UINavigationController *confirm_([[[UINavigationController alloc] initWithRootViewController:page] autorelease]);
9228
9229     if (IsWildcat_)
9230         [confirm_ setModalPresentationStyle:UIModalPresentationFormSheet];
9231     [tabbar_ presentModalViewController:confirm_ animated:YES];
9232
9233     return true;
9234 }
9235
9236 - (void) queue {
9237     @synchronized (self) {
9238         [self perform];
9239     }
9240 }
9241
9242 - (void) clearPackage:(Package *)package {
9243     @synchronized (self) {
9244         [package clear];
9245         [self resolve];
9246         [self perform];
9247     }
9248 }
9249
9250 - (void) installPackages:(NSArray *)packages {
9251     @synchronized (self) {
9252         for (Package *package in packages)
9253             [package install];
9254         [self resolve];
9255         [self perform];
9256     }
9257 }
9258
9259 - (void) installPackage:(Package *)package {
9260     @synchronized (self) {
9261         [package install];
9262         [self resolve];
9263         [self perform];
9264     }
9265 }
9266
9267 - (void) removePackage:(Package *)package {
9268     @synchronized (self) {
9269         [package remove];
9270         [self resolve];
9271         [self perform];
9272     }
9273 }
9274
9275 - (void) distUpgrade {
9276     @synchronized (self) {
9277         if (![database_ upgrade])
9278             return;
9279         [self perform];
9280     }
9281 }
9282
9283 - (void) perform_ {
9284     [database_ perform];
9285     [self performSelectorOnMainThread:@selector(reloadData) withObject:nil waitUntilDone:YES];
9286 }
9287
9288 - (void) confirmWithNavigationController:(UINavigationController *)navigation {
9289     Queuing_ = false;
9290     ++locked_;
9291     [self detachNewProgressSelector:@selector(perform_) toTarget:self forController:navigation title:@"RUNNING"];
9292     --locked_;
9293     [self refreshIfPossible];
9294 }
9295
9296 - (void) showSettings {
9297     [self presentModalViewController:[[[SettingsController alloc] initWithDatabase:database_ delegate:self] autorelease] force:NO];
9298 }
9299
9300 - (void) retainNetworkActivityIndicator {
9301     if (activity_++ == 0)
9302         [self setNetworkActivityIndicatorVisible:YES];
9303
9304 #if TraceLogging
9305     NSLog(@"retainNetworkActivityIndicator->%d", activity_);
9306 #endif
9307 }
9308
9309 - (void) releaseNetworkActivityIndicator {
9310     if (--activity_ == 0)
9311         [self setNetworkActivityIndicatorVisible:NO];
9312
9313 #if TraceLogging
9314     NSLog(@"releaseNetworkActivityIndicator->%d", activity_);
9315 #endif
9316
9317 }
9318
9319 - (void) cancelAndClear:(bool)clear {
9320     @synchronized (self) {
9321         if (clear) {
9322             [database_ clear];
9323             Queuing_ = false;
9324         } else {
9325             Queuing_ = true;
9326         }
9327
9328         [self _updateData];
9329     }
9330 }
9331
9332 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
9333     NSString *context([alert context]);
9334
9335     if ([context isEqualToString:@"conffile"]) {
9336         FILE *input = [database_ input];
9337         if (button == [alert cancelButtonIndex])
9338             fprintf(input, "N\n");
9339         else if (button == [alert firstOtherButtonIndex])
9340             fprintf(input, "Y\n");
9341         fflush(input);
9342
9343         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9344     } else if ([context isEqualToString:@"fixhalf"]) {
9345         if (button == [alert cancelButtonIndex]) {
9346             @synchronized (self) {
9347                 for (Package *broken in (id) broken_) {
9348                     [broken remove];
9349
9350                     NSString *id = [broken id];
9351                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.prerm", id] UTF8String]);
9352                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postrm", id] UTF8String]);
9353                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.preinst", id] UTF8String]);
9354                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postinst", id] UTF8String]);
9355                 }
9356
9357                 [self resolve];
9358                 [self perform];
9359             }
9360         } else if (button == [alert firstOtherButtonIndex]) {
9361             [broken_ removeAllObjects];
9362             [self _loaded];
9363         }
9364
9365         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9366     } else if ([context isEqualToString:@"upgrade"]) {
9367         if (button == [alert firstOtherButtonIndex]) {
9368             @synchronized (self) {
9369                 for (Package *essential in (id) essential_)
9370                     [essential install];
9371
9372                 [self resolve];
9373                 [self perform];
9374             }
9375         } else if (button == [alert firstOtherButtonIndex] + 1) {
9376             [self distUpgrade];
9377         } else if (button == [alert cancelButtonIndex]) {
9378             Ignored_ = YES;
9379         }
9380
9381         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9382     }
9383 }
9384
9385 - (void) system:(NSString *)command {
9386     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
9387
9388     _trace();
9389     system([command UTF8String]);
9390     _trace();
9391
9392     [pool release];
9393 }
9394
9395 - (void) applicationWillSuspend {
9396     [database_ clean];
9397     [super applicationWillSuspend];
9398 }
9399
9400 - (BOOL) isSafeToSuspend {
9401     if (locked_ != 0) {
9402 #if !ForRelease
9403         NSLog(@"isSafeToSuspend: locked_ != 0");
9404 #endif
9405         return false;
9406     }
9407
9408     // Use external process status API internally.
9409     // This is probably a really bad idea.
9410     // XXX: what is the point of this? does this solve anything at all?
9411     uint64_t status = 0;
9412     int notify_token;
9413     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
9414         notify_get_state(notify_token, &status);
9415         notify_cancel(notify_token);
9416     }
9417
9418     if (status != 0) {
9419 #if !ForRelease
9420         NSLog(@"isSafeToSuspend: status != 0");
9421 #endif
9422         return false;
9423     }
9424
9425 #if !ForRelease
9426     NSLog(@"isSafeToSuspend: -> true");
9427 #endif
9428     return true;
9429 }
9430
9431 - (void) applicationSuspend:(__GSEvent *)event {
9432     if ([self isSafeToSuspend])
9433         [super applicationSuspend:event];
9434 }
9435
9436 - (void) _animateSuspension:(BOOL)arg0 duration:(double)arg1 startTime:(double)arg2 scale:(float)arg3 {
9437     if ([self isSafeToSuspend])
9438         [super _animateSuspension:arg0 duration:arg1 startTime:arg2 scale:arg3];
9439 }
9440
9441 - (void) _setSuspended:(BOOL)value {
9442     if ([self isSafeToSuspend])
9443         [super _setSuspended:value];
9444 }
9445
9446 - (UIProgressHUD *) addProgressHUD {
9447     UIProgressHUD *hud([[[UIProgressHUD alloc] init] autorelease]);
9448     [hud setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
9449
9450     [window_ setUserInteractionEnabled:NO];
9451
9452     UIViewController *target(tabbar_);
9453     if (UIViewController *modal = [target modalViewController])
9454         target = modal;
9455
9456     UIView *view([target view]);
9457     [view addSubview:hud];
9458
9459     [hud showInView:[tabbar_ view]];
9460
9461     ++locked_;
9462     return hud;
9463 }
9464
9465 - (void) removeProgressHUD:(UIProgressHUD *)hud {
9466     --locked_;
9467     [hud hide];
9468     [hud removeFromSuperview];
9469     [window_ setUserInteractionEnabled:YES];
9470 }
9471
9472 - (CyteViewController *) pageForPackage:(NSString *)name {
9473     return [[[CYPackageController alloc] initWithDatabase:database_ forPackage:name] autorelease];
9474 }
9475
9476 - (CyteViewController *) pageForURL:(NSURL *)url forExternal:(BOOL)external {
9477     NSString *scheme([[url scheme] lowercaseString]);
9478     if ([[url absoluteString] length] <= [scheme length] + 3)
9479         return nil;
9480     NSString *path([[url absoluteString] substringFromIndex:[scheme length] + 3]);
9481     NSArray *components([path pathComponents]);
9482
9483     if ([scheme isEqualToString:@"apptapp"] && [components count] > 0 && [[components objectAtIndex:0] isEqualToString:@"package"])
9484         return [self pageForPackage:[components objectAtIndex:1]];
9485
9486     if ([components count] < 1 || ![scheme isEqualToString:@"cydia"])
9487         return nil;
9488
9489     NSString *base([components objectAtIndex:0]);
9490
9491     CyteViewController *controller = nil;
9492
9493     if ([base isEqualToString:@"url"]) {
9494         // This kind of URL can contain slashes in the argument, so we can't parse them below.
9495         NSString *destination = [[url absoluteString] substringFromIndex:([scheme length] + [@"://" length] + [base length] + [@"/" length])];
9496         controller = [[[CydiaWebViewController alloc] initWithURL:[NSURL URLWithString:destination]] autorelease];
9497     } else if (!external && [components count] == 1) {
9498         if ([base isEqualToString:@"manage"]) {
9499             controller = [[[ManageController alloc] init] autorelease];
9500         }
9501
9502         if ([base isEqualToString:@"sources"]) {
9503             controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
9504         }
9505
9506         if ([base isEqualToString:@"home"]) {
9507             controller = [[[HomeController alloc] init] autorelease];
9508         }
9509
9510         if ([base isEqualToString:@"sections"]) {
9511             controller = [[[SectionsController alloc] initWithDatabase:database_] autorelease];
9512         }
9513
9514         if ([base isEqualToString:@"search"]) {
9515             controller = [[[SearchController alloc] initWithDatabase:database_ query:nil] autorelease];
9516         }
9517
9518         if ([base isEqualToString:@"changes"]) {
9519             controller = [[[ChangesController alloc] initWithDatabase:database_] autorelease];
9520         }
9521
9522         if ([base isEqualToString:@"installed"]) {
9523             controller = [[[InstalledController alloc] initWithDatabase:database_] autorelease];
9524         }
9525     } else if ([components count] == 2) {
9526         NSString *argument = [components objectAtIndex:1];
9527
9528         if ([base isEqualToString:@"package"]) {
9529             controller = [self pageForPackage:argument];
9530         }
9531
9532         if (!external && [base isEqualToString:@"search"]) {
9533             controller = [[[SearchController alloc] initWithDatabase:database_ query:argument] autorelease];
9534         }
9535
9536         if (!external && [base isEqualToString:@"sections"]) {
9537             if ([argument isEqualToString:@"all"])
9538                 argument = nil;
9539             controller = [[[SectionController alloc] initWithDatabase:database_ section:argument] autorelease];
9540         }
9541
9542         if (!external && [base isEqualToString:@"sources"]) {
9543             if ([argument isEqualToString:@"add"]) {
9544                 controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
9545                 [(SourcesController *)controller showAddSourcePrompt];
9546             } else {
9547                 Source *source = [database_ sourceWithKey:[argument stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
9548                 controller = [[[SourceController alloc] initWithDatabase:database_ source:source] autorelease];
9549             }
9550         }
9551
9552         if (!external && [base isEqualToString:@"launch"]) {
9553             [self launchApplicationWithIdentifier:argument suspended:NO];
9554             return nil;
9555         }
9556     } else if (!external && [components count] == 3) {
9557         NSString *arg1 = [components objectAtIndex:1];
9558         NSString *arg2 = [components objectAtIndex:2];
9559
9560         if ([base isEqualToString:@"package"]) {
9561             if ([arg2 isEqualToString:@"settings"]) {
9562                 controller = [[[PackageSettingsController alloc] initWithDatabase:database_ package:arg1] autorelease];
9563             } else if ([arg2 isEqualToString:@"files"]) {
9564                 if (Package *package = [database_ packageWithName:arg1]) {
9565                     controller = [[[FileTable alloc] initWithDatabase:database_] autorelease];
9566                     [(FileTable *)controller setPackage:package];
9567                 }
9568             }
9569         }
9570     }
9571
9572     [controller setDelegate:self];
9573     return controller;
9574 }
9575
9576 - (BOOL) openCydiaURL:(NSURL *)url forExternal:(BOOL)external {
9577     CyteViewController *page([self pageForURL:url forExternal:external]);
9578
9579     if (page != nil) {
9580         UINavigationController *nav = [[[UINavigationController alloc] init] autorelease];
9581         [nav setViewControllers:[NSArray arrayWithObject:page]];
9582         [tabbar_ setUnselectedViewController:nav];
9583     }
9584
9585     return page != nil;
9586 }
9587
9588 - (void) applicationOpenURL:(NSURL *)url {
9589     [super applicationOpenURL:url];
9590
9591     if (!loaded_)
9592         starturl_ = url;
9593     else
9594         [self openCydiaURL:url forExternal:YES];
9595 }
9596
9597 - (void) applicationWillResignActive:(UIApplication *)application {
9598     // Stop refreshing if you get a phone call or lock the device.
9599     if ([tabbar_ updating])
9600         [tabbar_ cancelUpdate];
9601
9602     if ([[self superclass] instancesRespondToSelector:@selector(applicationWillResignActive:)])
9603         [super applicationWillResignActive:application];
9604 }
9605
9606 - (void) saveState {
9607     [Metadata_ setObject:[tabbar_ navigationURLCollection] forKey:@"InterfaceState"];
9608     [Metadata_ setObject:[NSDate date] forKey:@"LastClosed"];
9609     [Metadata_ setObject:[NSNumber numberWithInt:[tabbar_ selectedIndex]] forKey:@"InterfaceIndex"];
9610     Changed_ = true;
9611
9612     [self _saveConfig];
9613 }
9614
9615 - (void) applicationWillTerminate:(UIApplication *)application {
9616     [self saveState];
9617 }
9618
9619 - (void) setConfigurationData:(NSString *)data {
9620     static Pcre conffile_r("^'(.*)' '(.*)' ([01]) ([01])$");
9621
9622     if (!conffile_r(data)) {
9623         lprintf("E:invalid conffile\n");
9624         return;
9625     }
9626
9627     NSString *ofile = conffile_r[1];
9628     //NSString *nfile = conffile_r[2];
9629
9630     UIAlertView *alert = [[[UIAlertView alloc]
9631         initWithTitle:UCLocalize("CONFIGURATION_UPGRADE")
9632         message:[NSString stringWithFormat:@"%@\n\n%@", UCLocalize("CONFIGURATION_UPGRADE_EX"), ofile]
9633         delegate:self
9634         cancelButtonTitle:UCLocalize("KEEP_OLD_COPY")
9635         otherButtonTitles:
9636             UCLocalize("ACCEPT_NEW_COPY"),
9637             // XXX: UCLocalize("SEE_WHAT_CHANGED"),
9638         nil
9639     ] autorelease];
9640
9641     [alert setContext:@"conffile"];
9642     [alert setNumberOfRows:2];
9643     [alert show];
9644 }
9645
9646 - (void) addStashController {
9647     ++locked_;
9648     stash_ = [[[StashController alloc] init] autorelease];
9649     [window_ addSubview:[stash_ view]];
9650 }
9651
9652 - (void) removeStashController {
9653     [[stash_ view] removeFromSuperview];
9654     stash_ = nil;
9655     --locked_;
9656 }
9657
9658 - (void) stash {
9659     [self setIdleTimerDisabled:YES];
9660
9661     [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleBlackOpaque];
9662     UpdateExternalStatus(1);
9663     [self yieldToSelector:@selector(system:) withObject:@"/usr/libexec/cydia/free.sh"];
9664     UpdateExternalStatus(0);
9665
9666     [self removeStashController];
9667
9668     if (ExecFork() == 0) {
9669         execlp("launchctl", "launchctl", "stop", "com.apple.SpringBoard", NULL);
9670         perror("launchctl stop");
9671     }
9672 }
9673
9674 - (void) setupViewControllers {
9675     tabbar_ = [[[CYTabBarController alloc] initWithDatabase:database_] autorelease];
9676
9677     NSMutableArray *items([NSMutableArray arrayWithObjects:
9678         [[[UITabBarItem alloc] initWithTitle:@"Cydia" image:[UIImage applicationImageNamed:@"home.png"] tag:0] autorelease],
9679         [[[UITabBarItem alloc] initWithTitle:UCLocalize("SECTIONS") image:[UIImage applicationImageNamed:@"install.png"] tag:0] autorelease],
9680         [[[UITabBarItem alloc] initWithTitle:UCLocalize("CHANGES") image:[UIImage applicationImageNamed:@"changes.png"] tag:0] autorelease],
9681         [[[UITabBarItem alloc] initWithTitle:UCLocalize("SEARCH") image:[UIImage applicationImageNamed:@"search.png"] tag:0] autorelease],
9682     nil]);
9683
9684     if (IsWildcat_) {
9685         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("SOURCES") image:[UIImage applicationImageNamed:@"source.png"] tag:0] autorelease] atIndex:3];
9686         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("INSTALLED") image:[UIImage applicationImageNamed:@"manage.png"] tag:0] autorelease] atIndex:3];
9687     } else {
9688         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("MANAGE") image:[UIImage applicationImageNamed:@"manage.png"] tag:0] autorelease] atIndex:3];
9689     }
9690
9691     NSMutableArray *controllers([NSMutableArray array]);
9692     for (UITabBarItem *item in items) {
9693         UINavigationController *controller([[[UINavigationController alloc] init] autorelease]);
9694         [controller setTabBarItem:item];
9695         [controllers addObject:controller];
9696     }
9697     [tabbar_ setViewControllers:controllers];
9698
9699     [tabbar_ setUpdateDelegate:self];
9700 }
9701
9702 - (void) _sendMemoryWarningNotification {
9703     [[NSNotificationCenter defaultCenter] postNotificationName:@"UIApplicationDidReceiveMemoryWarningNotification" object:[UIApplication sharedApplication]];
9704 }
9705
9706 - (void) _sendMemoryWarningNotifications {
9707     while (true) {
9708         [self performSelectorOnMainThread:@selector(_sendMemoryWarningNotification) withObject:nil waitUntilDone:NO];
9709         usleep(250000);
9710     }
9711 }
9712
9713 - (void) applicationDidFinishLaunching:(id)unused {
9714     //[NSThread detachNewThreadSelector:@selector(_sendMemoryWarningNotifications) toTarget:self withObject:nil];
9715
9716 _trace();
9717     if ([self respondsToSelector:@selector(setApplicationSupportsShakeToEdit:)])
9718         [self setApplicationSupportsShakeToEdit:NO];
9719
9720     @synchronized (HostConfig_) {
9721         [BridgedHosts_ addObject:[[NSURL URLWithString:CydiaURL(@"")] host]];
9722     }
9723
9724     [NSURLCache setSharedURLCache:[[[CYURLCache alloc]
9725         initWithMemoryCapacity:524288
9726         diskCapacity:10485760
9727         diskPath:[NSString stringWithFormat:@"%@/Library/Caches/com.saurik.Cydia/SDURLCache", @"/var/root"]
9728     ] autorelease]];
9729
9730     [CydiaWebViewController _initialize];
9731
9732     [NSURLProtocol registerClass:[CydiaURLProtocol class]];
9733
9734     // this would disallow http{,s} URLs from accessing this data
9735     //[WebView registerURLSchemeAsLocal:@"cydia"];
9736
9737     Font12_ = [UIFont systemFontOfSize:12];
9738     Font12Bold_ = [UIFont boldSystemFontOfSize:12];
9739     Font14_ = [UIFont systemFontOfSize:14];
9740     Font18Bold_ = [UIFont boldSystemFontOfSize:18];
9741     Font22Bold_ = [UIFont boldSystemFontOfSize:22];
9742
9743     essential_ = [NSMutableArray arrayWithCapacity:4];
9744     broken_ = [NSMutableArray arrayWithCapacity:4];
9745
9746     // XXX: I really need this thing... like, seriously... I'm sorry
9747     [[[AppCacheController alloc] initWithURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/appcache/", UI_]]] reloadData];
9748
9749     window_ = [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease];
9750     [window_ orderFront:self];
9751     [window_ makeKey:self];
9752     [window_ setHidden:NO];
9753
9754     if (
9755         readlink("/Applications", NULL, 0) == -1 && errno == EINVAL ||
9756         readlink("/Library/Ringtones", NULL, 0) == -1 && errno == EINVAL ||
9757         readlink("/Library/Wallpaper", NULL, 0) == -1 && errno == EINVAL ||
9758         //readlink("/usr/bin", NULL, 0) == -1 && errno == EINVAL ||
9759         readlink("/usr/include", NULL, 0) == -1 && errno == EINVAL ||
9760         readlink("/usr/lib/pam", NULL, 0) == -1 && errno == EINVAL ||
9761         readlink("/usr/libexec", NULL, 0) == -1 && errno == EINVAL ||
9762         readlink("/usr/share", NULL, 0) == -1 && errno == EINVAL ||
9763         //readlink("/var/lib", NULL, 0) == -1 && errno == EINVAL ||
9764         false
9765     ) {
9766         [self addStashController];
9767         // XXX: this would be much cleaner as a yieldToSelector:
9768         // that way the removeStashController could happen right here inline
9769         // we also could no longer require the useless stash_ field anymore
9770         [self performSelector:@selector(stash) withObject:nil afterDelay:0];
9771         return;
9772     }
9773
9774     database_ = [Database sharedInstance];
9775     [database_ setDelegate:self];
9776
9777     [window_ setUserInteractionEnabled:NO];
9778     [self setupViewControllers];
9779
9780     emulated_ = [[[CydiaLoadingViewController alloc] init] autorelease];
9781     [window_ addSubview:[emulated_ view]];
9782
9783     [self performSelector:@selector(loadData) withObject:nil afterDelay:0];
9784 _trace();
9785 }
9786
9787 - (NSArray *) defaultStartPages {
9788     NSMutableArray *standard = [NSMutableArray array];
9789     [standard addObject:[NSArray arrayWithObject:@"cydia://home"]];
9790     [standard addObject:[NSArray arrayWithObject:@"cydia://sections"]];
9791     [standard addObject:[NSArray arrayWithObject:@"cydia://changes"]];
9792     if (!IsWildcat_) {
9793         [standard addObject:[NSArray arrayWithObject:@"cydia://manage"]];
9794     } else {
9795         [standard addObject:[NSArray arrayWithObject:@"cydia://installed"]];
9796         [standard addObject:[NSArray arrayWithObject:@"cydia://sources"]];
9797     }
9798     [standard addObject:[NSArray arrayWithObject:@"cydia://search"]];
9799     return standard;
9800 }
9801
9802 - (void) loadData {
9803 _trace();
9804     if (Role_ == nil) {
9805         [window_ setUserInteractionEnabled:YES];
9806         [self showSettings];
9807         return;
9808     } else {
9809         if ([emulated_ modalViewController] != nil)
9810             [emulated_ dismissModalViewControllerAnimated:YES];
9811         [window_ setUserInteractionEnabled:NO];
9812     }
9813
9814     [self reloadDataWithInvocation:nil];
9815     [self refreshIfPossible];
9816     PrintTimes();
9817
9818     [self disemulate];
9819
9820     int savedIndex = [[Metadata_ objectForKey:@"InterfaceIndex"] intValue];
9821     NSArray *saved = [[Metadata_ objectForKey:@"InterfaceState"] mutableCopy];
9822     int standardIndex = 0;
9823     NSArray *standard = [self defaultStartPages];
9824
9825     BOOL valid = YES;
9826
9827     if (saved == nil)
9828         valid = NO;
9829
9830     NSDate *closed = [Metadata_ objectForKey:@"LastClosed"];
9831     if (valid && closed != nil) {
9832         NSTimeInterval interval([closed timeIntervalSinceNow]);
9833         // XXX: Is 15 minutes the optimal time here?
9834         if (interval > 0 && interval <= -(15*60))
9835             valid = NO;
9836     }
9837
9838     if (valid && [saved count] != [standard count])
9839         valid = NO;
9840
9841     if (valid) {
9842         for (unsigned int i = 0; i < [standard count]; i++) {
9843             NSArray *std = [standard objectAtIndex:i], *sav = [saved objectAtIndex:i];
9844             // XXX: The "hasPrefix" sanity check here could be, in theory, fooled,
9845             //      but it's good enough for now.
9846             if ([sav count] == 0 || ![[sav objectAtIndex:0] hasPrefix:[std objectAtIndex:0]]) {
9847                 valid = NO;
9848                 break;
9849             }
9850         }
9851     }
9852
9853     NSArray *items = nil;
9854     if (valid) {
9855         [tabbar_ setSelectedIndex:savedIndex];
9856         items = saved;
9857     } else {
9858         [tabbar_ setSelectedIndex:standardIndex];
9859         items = standard;
9860     }
9861
9862     for (unsigned int tab = 0; tab < [[tabbar_ viewControllers] count]; tab++) {
9863         NSArray *stack = [items objectAtIndex:tab];
9864         UINavigationController *navigation = [[tabbar_ viewControllers] objectAtIndex:tab];
9865         NSMutableArray *current = [NSMutableArray array];
9866
9867         for (unsigned int nav = 0; nav < [stack count]; nav++) {
9868             NSString *addr = [stack objectAtIndex:nav];
9869             NSURL *url = [NSURL URLWithString:addr];
9870             CyteViewController *page = [self pageForURL:url forExternal:NO];
9871             if (page != nil)
9872                 [current addObject:page];
9873         }
9874
9875         [navigation setViewControllers:current];
9876     }
9877
9878     // (Try to) show the startup URL.
9879     if (starturl_ != nil) {
9880         [self openCydiaURL:starturl_ forExternal:NO];
9881         starturl_ = nil;
9882     }
9883 }
9884
9885 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item {
9886     if (item != nil && IsWildcat_) {
9887         [sheet showFromBarButtonItem:item animated:YES];
9888     } else {
9889         [sheet showInView:window_];
9890     }
9891 }
9892
9893 - (void) addProgressEvent:(CydiaProgressEvent *)event forTask:(NSString *)task {
9894     id<ProgressDelegate> progress([database_ progressDelegate] ?: [self invokeNewProgress:nil forController:nil withTitle:task]);
9895     [progress setTitle:task];
9896     [progress addProgressEvent:event];
9897 }
9898
9899 - (void) addProgressEventForTask:(NSArray *)data {
9900     CydiaProgressEvent *event([data objectAtIndex:0]);
9901     NSString *task([data count] < 2 ? nil : [data objectAtIndex:1]);
9902     [self addProgressEvent:event forTask:task];
9903 }
9904
9905 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task {
9906     [self performSelectorOnMainThread:@selector(addProgressEventForTask:) withObject:[NSArray arrayWithObjects:event, task, nil] waitUntilDone:YES];
9907 }
9908
9909 @end
9910
9911 /*IMP alloc_;
9912 id Alloc_(id self, SEL selector) {
9913     id object = alloc_(self, selector);
9914     lprintf("[%s]A-%p\n", self->isa->name, object);
9915     return object;
9916 }*/
9917
9918 /*IMP dealloc_;
9919 id Dealloc_(id self, SEL selector) {
9920     id object = dealloc_(self, selector);
9921     lprintf("[%s]D-%p\n", self->isa->name, object);
9922     return object;
9923 }*/
9924
9925 Class $WebDefaultUIKitDelegate;
9926
9927 MSHook(void, UIWebDocumentView$_setUIKitDelegate$, UIWebDocumentView *self, SEL _cmd, id delegate) {
9928     if (delegate == nil && $WebDefaultUIKitDelegate != nil)
9929         delegate = [$WebDefaultUIKitDelegate sharedUIKitDelegate];
9930     return _UIWebDocumentView$_setUIKitDelegate$(self, _cmd, delegate);
9931 }
9932
9933 static NSSet *MobilizedFiles_;
9934
9935 static NSURL *MobilizeURL(NSURL *url) {
9936     NSString *path([url path]);
9937     if ([path hasPrefix:@"/var/root/"]) {
9938         NSString *file([path substringFromIndex:10]);
9939         if ([MobilizedFiles_ containsObject:file])
9940             url = [NSURL fileURLWithPath:[@"/var/mobile/" stringByAppendingString:file] isDirectory:NO];
9941     }
9942
9943     return url;
9944 }
9945
9946 Class $CFXPreferencesPropertyListSource;
9947 @class CFXPreferencesPropertyListSource;
9948
9949 MSHook(BOOL, CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync, CFXPreferencesPropertyListSource *self, SEL _cmd) {
9950     NSURL *&url(MSHookIvar<NSURL *>(self, "_url")), *old(url);
9951     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
9952     url = MobilizeURL(url);
9953     BOOL value(_CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync(self, _cmd));
9954     //NSLog(@"%@ %s", [url absoluteString], value ? "YES" : "NO");
9955     url = old;
9956     [pool release];
9957     return value;
9958 }
9959
9960 MSHook(void *, CFXPreferencesPropertyListSource$createPlistFromDisk, CFXPreferencesPropertyListSource *self, SEL _cmd) {
9961     NSURL *&url(MSHookIvar<NSURL *>(self, "_url")), *old(url);
9962     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
9963     url = MobilizeURL(url);
9964     void *value(_CFXPreferencesPropertyListSource$createPlistFromDisk(self, _cmd));
9965     //NSLog(@"%@ %@", [url absoluteString], value);
9966     url = old;
9967     [pool release];
9968     return value;
9969 }
9970
9971 Class $NSURLConnection;
9972
9973 MSHook(id, NSURLConnection$init$, NSURLConnection *self, SEL _cmd, NSURLRequest *request, id delegate, BOOL usesCache, int64_t maxContentLength, BOOL startImmediately, NSDictionary *connectionProperties) {
9974     NSMutableURLRequest *copy([request mutableCopy]);
9975
9976     NSURL *url([copy URL]);
9977
9978     NSString *href([url absoluteString]);
9979     NSString *host([url host]);
9980     NSString *scheme([[url scheme] lowercaseString]);
9981
9982     NSString *compound([NSString stringWithFormat:@"%@:%@", scheme, host]);
9983
9984     @synchronized (HostConfig_) {
9985         if ([copy respondsToSelector:@selector(setHTTPShouldUsePipelining:)])
9986             if ([PipelinedHosts_ containsObject:host] || [PipelinedHosts_ containsObject:compound])
9987                 [copy setHTTPShouldUsePipelining:YES];
9988
9989         if (NSString *control = [copy valueForHTTPHeaderField:@"Cache-Control"])
9990             if ([control isEqualToString:@"max-age=0"])
9991                 if ([CachedURLs_ containsObject:href]) {
9992 #if !ForRelease
9993                     NSLog(@"~~~: %@", href);
9994 #endif
9995
9996                     [copy setCachePolicy:NSURLRequestReturnCacheDataDontLoad];
9997
9998                     [copy setValue:nil forHTTPHeaderField:@"Cache-Control"];
9999                     [copy setValue:nil forHTTPHeaderField:@"If-Modified-Since"];
10000                     [copy setValue:nil forHTTPHeaderField:@"If-None-Match"];
10001                 }
10002     }
10003
10004     if ((self = _NSURLConnection$init$(self, _cmd, copy, delegate, usesCache, maxContentLength, startImmediately, connectionProperties)) != nil) {
10005     } return self;
10006 }
10007
10008 int main(int argc, char *argv[]) {
10009     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
10010
10011     _trace();
10012
10013     UpdateExternalStatus(0);
10014
10015     if (Class $UIDevice = objc_getClass("UIDevice")) {
10016         UIDevice *device([$UIDevice currentDevice]);
10017         IsWildcat_ = [device respondsToSelector:@selector(isWildcat)] && [device isWildcat];
10018     } else
10019         IsWildcat_ = false;
10020
10021     UIScreen *screen([UIScreen mainScreen]);
10022     if ([screen respondsToSelector:@selector(scale)])
10023         ScreenScale_ = [screen scale];
10024     else
10025         ScreenScale_ = 1;
10026
10027     UIDevice *device([UIDevice currentDevice]);
10028     if (![device respondsToSelector:@selector(userInterfaceIdiom)])
10029         Idiom_ = @"iphone";
10030     else {
10031         UIUserInterfaceIdiom idiom([device userInterfaceIdiom]);
10032         if (idiom == UIUserInterfaceIdiomPhone)
10033             Idiom_ = @"iphone";
10034         else if (idiom == UIUserInterfaceIdiomPad)
10035             Idiom_ = @"ipad";
10036         else
10037             NSLog(@"unknown UIUserInterfaceIdiom!");
10038     }
10039
10040     Pcre pattern("^([0-9]+\\.[0-9]+)");
10041
10042     if (pattern([device systemVersion]))
10043         Firmware_ = pattern[1];
10044     if (pattern(Cydia_))
10045         Major_ = pattern[1];
10046
10047     SessionData_ = [NSMutableDictionary dictionaryWithCapacity:4];
10048
10049     HostConfig_ = [[[NSObject alloc] init] autorelease];
10050     @synchronized (HostConfig_) {
10051         BridgedHosts_ = [NSMutableSet setWithCapacity:4];
10052         TokenHosts_ = [NSMutableSet setWithCapacity:4];
10053         InsecureHosts_ = [NSMutableSet setWithCapacity:4];
10054         PipelinedHosts_ = [NSMutableSet setWithCapacity:4];
10055         CachedURLs_ = [NSMutableSet setWithCapacity:32];
10056     }
10057
10058     NSString *ui(@"ui/ios");
10059     if (Idiom_ != nil)
10060         ui = [ui stringByAppendingString:[NSString stringWithFormat:@"~%@", Idiom_]];
10061     ui = [ui stringByAppendingString:[NSString stringWithFormat:@"/%@", Major_]];
10062     UI_ = CydiaURL(ui);
10063
10064     PackageName = reinterpret_cast<CYString &(*)(Package *, SEL)>(method_getImplementation(class_getInstanceMethod([Package class], @selector(cyname))));
10065
10066     MobilizedFiles_ = [NSMutableSet setWithObjects:
10067         @"Library/Preferences/com.apple.Accessibility.plist",
10068         @"Library/Preferences/com.apple.preferences.sounds.plist",
10069     nil];
10070
10071     /* Library Hacks {{{ */
10072     class_addMethod(objc_getClass("DOMNodeList"), @selector(countByEnumeratingWithState:objects:count:), (IMP) &DOMNodeList$countByEnumeratingWithState$objects$count$, "I20@0:4^{NSFastEnumerationState}8^@12I16");
10073
10074     $CFXPreferencesPropertyListSource = objc_getClass("CFXPreferencesPropertyListSource");
10075
10076     Method CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync(class_getInstanceMethod($CFXPreferencesPropertyListSource, @selector(_backingPlistChangedSinceLastSync)));
10077     if (CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync != NULL) {
10078         _CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync = reinterpret_cast<BOOL (*)(CFXPreferencesPropertyListSource *, SEL)>(method_getImplementation(CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync));
10079         method_setImplementation(CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync, reinterpret_cast<IMP>(&$CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync));
10080     }
10081
10082     Method CFXPreferencesPropertyListSource$createPlistFromDisk(class_getInstanceMethod($CFXPreferencesPropertyListSource, @selector(createPlistFromDisk)));
10083     if (CFXPreferencesPropertyListSource$createPlistFromDisk != NULL) {
10084         _CFXPreferencesPropertyListSource$createPlistFromDisk = reinterpret_cast<void *(*)(CFXPreferencesPropertyListSource *, SEL)>(method_getImplementation(CFXPreferencesPropertyListSource$createPlistFromDisk));
10085         method_setImplementation(CFXPreferencesPropertyListSource$createPlistFromDisk, reinterpret_cast<IMP>(&$CFXPreferencesPropertyListSource$createPlistFromDisk));
10086     }
10087
10088     $WebDefaultUIKitDelegate = objc_getClass("WebDefaultUIKitDelegate");
10089     Method UIWebDocumentView$_setUIKitDelegate$(class_getInstanceMethod([WebView class], @selector(_setUIKitDelegate:)));
10090     if (UIWebDocumentView$_setUIKitDelegate$ != NULL) {
10091         _UIWebDocumentView$_setUIKitDelegate$ = reinterpret_cast<void (*)(UIWebDocumentView *, SEL, id)>(method_getImplementation(UIWebDocumentView$_setUIKitDelegate$));
10092         method_setImplementation(UIWebDocumentView$_setUIKitDelegate$, reinterpret_cast<IMP>(&$UIWebDocumentView$_setUIKitDelegate$));
10093     }
10094
10095     $NSURLConnection = objc_getClass("NSURLConnection");
10096     Method NSURLConnection$init$(class_getInstanceMethod($NSURLConnection, @selector(_initWithRequest:delegate:usesCache:maxContentLength:startImmediately:connectionProperties:)));
10097     if (NSURLConnection$init$ != NULL) {
10098         _NSURLConnection$init$ = reinterpret_cast<id (*)(NSURLConnection *, SEL, NSURLRequest *, id, BOOL, int64_t, BOOL, NSDictionary *)>(method_getImplementation(NSURLConnection$init$));
10099         method_setImplementation(NSURLConnection$init$, reinterpret_cast<IMP>(&$NSURLConnection$init$));
10100     }
10101     /* }}} */
10102     /* Set Locale {{{ */
10103     Locale_ = CFLocaleCopyCurrent();
10104     Languages_ = [NSLocale preferredLanguages];
10105
10106     //CFStringRef locale(CFLocaleGetIdentifier(Locale_));
10107     //NSLog(@"%@", [Languages_ description]);
10108
10109     const char *lang;
10110     if (Locale_ != NULL)
10111         lang = [(NSString *) CFLocaleGetIdentifier(Locale_) UTF8String];
10112     else if (Languages_ != nil && [Languages_ count] != 0)
10113         lang = [[Languages_ objectAtIndex:0] UTF8String];
10114     else
10115         // XXX: consider just setting to C and then falling through?
10116         lang = NULL;
10117
10118     if (lang != NULL) {
10119         Pcre pattern("^([a-z][a-z])(?:-[A-Za-z]*)?(_[A-Z][A-Z])?$");
10120         lang = !pattern(lang) ? NULL : [pattern->*@"%1$@%2$@" UTF8String];
10121     }
10122
10123     NSLog(@"Setting Language: %s", lang);
10124
10125     if (lang != NULL) {
10126         setenv("LANG", lang, true);
10127         std::setlocale(LC_ALL, lang);
10128     }
10129     /* }}} */
10130
10131     apr_app_initialize(&argc, const_cast<const char * const **>(&argv), NULL);
10132
10133     /* Parse Arguments {{{ */
10134     bool substrate(false);
10135
10136     if (argc != 0) {
10137         char **args(argv);
10138         int arge(1);
10139
10140         for (int argi(1); argi != argc; ++argi)
10141             if (strcmp(argv[argi], "--") == 0) {
10142                 arge = argi;
10143                 argv[argi] = argv[0];
10144                 argv += argi;
10145                 argc -= argi;
10146                 break;
10147             }
10148
10149         for (int argi(1); argi != arge; ++argi)
10150             if (strcmp(args[argi], "--substrate") == 0)
10151                 substrate = true;
10152             else
10153                 fprintf(stderr, "unknown argument: %s\n", args[argi]);
10154     }
10155     /* }}} */
10156
10157     App_ = [[NSBundle mainBundle] bundlePath];
10158     Advanced_ = YES;
10159
10160     setuid(0);
10161     setgid(0);
10162
10163     /*Method alloc = class_getClassMethod([NSObject class], @selector(alloc));
10164     alloc_ = alloc->method_imp;
10165     alloc->method_imp = (IMP) &Alloc_;*/
10166
10167     /*Method dealloc = class_getClassMethod([NSObject class], @selector(dealloc));
10168     dealloc_ = dealloc->method_imp;
10169     dealloc->method_imp = (IMP) &Dealloc_;*/
10170
10171     /* System Information {{{ */
10172     size_t size;
10173
10174     int maxproc;
10175     size = sizeof(maxproc);
10176     if (sysctlbyname("kern.maxproc", &maxproc, &size, NULL, 0) == -1)
10177         perror("sysctlbyname(\"kern.maxproc\", ?)");
10178     else if (maxproc < 64) {
10179         maxproc = 64;
10180         if (sysctlbyname("kern.maxproc", NULL, NULL, &maxproc, sizeof(maxproc)) == -1)
10181             perror("sysctlbyname(\"kern.maxproc\", #)");
10182     }
10183
10184     sysctlbyname("kern.osversion", NULL, &size, NULL, 0);
10185     char *osversion = new char[size];
10186     if (sysctlbyname("kern.osversion", osversion, &size, NULL, 0) == -1)
10187         perror("sysctlbyname(\"kern.osversion\", ?)");
10188     else
10189         System_ = [NSString stringWithUTF8String:osversion];
10190
10191     sysctlbyname("hw.machine", NULL, &size, NULL, 0);
10192     char *machine = new char[size];
10193     if (sysctlbyname("hw.machine", machine, &size, NULL, 0) == -1)
10194         perror("sysctlbyname(\"hw.machine\", ?)");
10195     else
10196         Machine_ = machine;
10197
10198     SerialNumber_ = (NSString *) CYIOGetValue("IOService:/", @"IOPlatformSerialNumber");
10199     ChipID_ = [CYHex((NSData *) CYIOGetValue("IODeviceTree:/chosen", @"unique-chip-id"), true) uppercaseString];
10200     BBSNum_ = CYHex((NSData *) CYIOGetValue("IOService:/AppleARMPE/baseband", @"snum"), false);
10201
10202     UniqueID_ = [device uniqueIdentifier];
10203
10204     CFStringRef (*$CTSIMSupportCopyMobileSubscriberCountryCode)(CFAllocatorRef);
10205     $CTSIMSupportCopyMobileSubscriberCountryCode = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberCountryCode"));
10206     CFStringRef mcc($CTSIMSupportCopyMobileSubscriberCountryCode == NULL ? NULL : (*$CTSIMSupportCopyMobileSubscriberCountryCode)(kCFAllocatorDefault));
10207
10208     CFStringRef (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(CFAllocatorRef);
10209     $CTSIMSupportCopyMobileSubscriberNetworkCode = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberCountryCode"));
10210     CFStringRef mnc($CTSIMSupportCopyMobileSubscriberNetworkCode == NULL ? NULL : (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(kCFAllocatorDefault));
10211
10212     if (mcc != NULL && mnc != NULL)
10213         PLMN_ = [NSString stringWithFormat:@"%@%@", mcc, mnc];
10214
10215     if (mnc != NULL)
10216         CFRelease(mnc);
10217     if (mcc != NULL)
10218         CFRelease(mcc);
10219
10220     if (NSDictionary *system = [NSDictionary dictionaryWithContentsOfFile:@"/System/Library/CoreServices/SystemVersion.plist"])
10221         Build_ = [system objectForKey:@"ProductBuildVersion"];
10222     if (NSDictionary *info = [NSDictionary dictionaryWithContentsOfFile:@"/Applications/MobileSafari.app/Info.plist"]) {
10223         Product_ = [info objectForKey:@"SafariProductVersion"];
10224         Safari_ = [info objectForKey:@"CFBundleVersion"];
10225     }
10226     /* }}} */
10227     /* Load Database {{{ */
10228     _trace();
10229     Metadata_ = [[[NSMutableDictionary alloc] initWithContentsOfFile:@"/var/lib/cydia/metadata.plist"] autorelease];
10230     _trace();
10231     SectionMap_ = [[[NSDictionary alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Sections" ofType:@"plist"]] autorelease];
10232
10233     if (Metadata_ == NULL)
10234         Metadata_ = [NSMutableDictionary dictionaryWithCapacity:2];
10235     else {
10236         Settings_ = [Metadata_ objectForKey:@"Settings"];
10237
10238         Packages_ = [Metadata_ objectForKey:@"Packages"];
10239
10240         Values_ = [Metadata_ objectForKey:@"Values"];
10241         Sections_ = [Metadata_ objectForKey:@"Sections"];
10242         Sources_ = [Metadata_ objectForKey:@"Sources"];
10243
10244         Token_ = [Metadata_ objectForKey:@"Token"];
10245
10246         Version_ = [Metadata_ objectForKey:@"Version"];
10247
10248         @synchronized (HostConfig_) {
10249             CydiaSource_ = [Metadata_ objectForKey:@"CydiaSource"];
10250         }
10251     }
10252
10253     if (Settings_ != nil)
10254         Role_ = [Settings_ objectForKey:@"Role"];
10255
10256     if (Values_ == nil) {
10257         Values_ = [[[NSMutableDictionary alloc] initWithCapacity:4] autorelease];
10258         [Metadata_ setObject:Values_ forKey:@"Values"];
10259     }
10260
10261     if (Sections_ == nil) {
10262         Sections_ = [[[NSMutableDictionary alloc] initWithCapacity:32] autorelease];
10263         [Metadata_ setObject:Sections_ forKey:@"Sections"];
10264     }
10265
10266     if (Sources_ == nil) {
10267         Sources_ = [[[NSMutableDictionary alloc] initWithCapacity:0] autorelease];
10268         [Metadata_ setObject:Sources_ forKey:@"Sources"];
10269     }
10270
10271     if (Version_ == nil) {
10272         Version_ = [NSNumber numberWithUnsignedInt:0];
10273         [Metadata_ setObject:Version_ forKey:@"Version"];
10274     }
10275
10276     @synchronized (HostConfig_) {
10277         if (CydiaSource_ == nil) {
10278             CydiaSource_ = @"apt.saurik.com";
10279             [Metadata_ setObject:CydiaSource_ forKey:@"CydiaSource"];
10280         }
10281     }
10282
10283     if ([Version_ unsignedIntValue] == 0) {
10284         AddSource(@"http://apt.thebigboss.org/repofiles/cydia/", @"stable", [NSMutableArray arrayWithObject:@"main"]);
10285         AddSource(@"http://apt.modmyi.com/", @"stable", [NSMutableArray arrayWithObject:@"main"]);
10286         AddSource(@"http://cydia.zodttd.com/repo/cydia/", @"stable", [NSMutableArray arrayWithObject:@"main"]);
10287         AddSource(@"http://repo666.ultrasn0w.com/", @"./");
10288
10289         Version_ = [NSNumber numberWithUnsignedInt:1];
10290         [Metadata_ setObject:Version_ forKey:@"Version"];
10291
10292         [Metadata_ removeObjectForKey:@"LastUpdate"];
10293
10294         Changed_ = true;
10295     }
10296     /* }}} */
10297
10298     WriteSources();
10299
10300     _trace();
10301     MetaFile_.Open("/var/lib/cydia/metadata.cb0");
10302     _trace();
10303
10304     if (Packages_ != nil) {
10305         bool fail(false);
10306         CFDictionaryApplyFunction((CFDictionaryRef) Packages_, &PackageImport, &fail);
10307         _trace();
10308
10309         if (!fail) {
10310             [Metadata_ removeObjectForKey:@"Packages"];
10311             Packages_ = nil;
10312             Changed_ = true;
10313         }
10314     }
10315
10316     Finishes_ = [NSArray arrayWithObjects:@"return", @"reopen", @"restart", @"reload", @"reboot", nil];
10317
10318 #define MobileSubstrate_(name) \
10319     if (substrate && access("/Library/MobileSubstrate/DynamicLibraries/" #name ".dylib", F_OK) == 0) { \
10320         void *handle(dlopen("/Library/MobileSubstrate/DynamicLibraries/" #name ".dylib", RTLD_LAZY | RTLD_GLOBAL)); \
10321         if (handle == NULL) \
10322             NSLog(@"%s", dlerror()); \
10323     }
10324
10325     MobileSubstrate_(Activator)
10326     MobileSubstrate_(libstatusbar)
10327     MobileSubstrate_(SimulatedKeyEvents)
10328     MobileSubstrate_(WinterBoard)
10329
10330     /*if (substrate && access("/Library/MobileSubstrate/MobileSubstrate.dylib", F_OK) == 0)
10331         dlopen("/Library/MobileSubstrate/MobileSubstrate.dylib", RTLD_LAZY | RTLD_GLOBAL);*/
10332
10333     int version([[NSString stringWithContentsOfFile:@"/var/lib/cydia/firmware.ver"] intValue]);
10334
10335     if (access("/tmp/.cydia.fw", F_OK) == 0) {
10336         unlink("/tmp/.cydia.fw");
10337         goto firmware;
10338     } else if (access("/User", F_OK) != 0 || version < 4) {
10339       firmware:
10340         _trace();
10341         system("/usr/libexec/cydia/firmware.sh");
10342         _trace();
10343     }
10344
10345     _assert([[NSFileManager defaultManager]
10346         createDirectoryAtPath:@"/var/cache/apt/archives/partial"
10347         withIntermediateDirectories:YES
10348         attributes:nil
10349         error:NULL
10350     ]);
10351
10352     if (access("/tmp/cydia.chk", F_OK) == 0) {
10353         if (unlink("/var/cache/apt/pkgcache.bin") == -1)
10354             _assert(errno == ENOENT);
10355         if (unlink("/var/cache/apt/srcpkgcache.bin") == -1)
10356             _assert(errno == ENOENT);
10357     }
10358
10359     /* APT Initialization {{{ */
10360     _assert(pkgInitConfig(*_config));
10361     _assert(pkgInitSystem(*_config, _system));
10362
10363     if (lang != NULL)
10364         _config->Set("APT::Acquire::Translation", lang);
10365
10366     // XXX: this timeout might be important :(
10367     //_config->Set("Acquire::http::Timeout", 15);
10368
10369     _config->Set("Acquire::http::MaxParallel", 3);
10370     /* }}} */
10371     /* Color Choices {{{ */
10372     space_ = CGColorSpaceCreateDeviceRGB();
10373
10374     Blue_.Set(space_, 0.2, 0.2, 1.0, 1.0);
10375     Blueish_.Set(space_, 0x19/255.f, 0x32/255.f, 0x50/255.f, 1.0);
10376     Black_.Set(space_, 0.0, 0.0, 0.0, 1.0);
10377     Off_.Set(space_, 0.9, 0.9, 0.9, 1.0);
10378     White_.Set(space_, 1.0, 1.0, 1.0, 1.0);
10379     Gray_.Set(space_, 0.4, 0.4, 0.4, 1.0);
10380     Green_.Set(space_, 0.0, 0.5, 0.0, 1.0);
10381     Purple_.Set(space_, 0.0, 0.0, 0.7, 1.0);
10382     Purplish_.Set(space_, 0.4, 0.4, 0.8, 1.0);
10383
10384     InstallingColor_ = [UIColor colorWithRed:0.88f green:1.00f blue:0.88f alpha:1.00f];
10385     RemovingColor_ = [UIColor colorWithRed:1.00f green:0.88f blue:0.88f alpha:1.00f];
10386     /* }}}*/
10387     /* UIKit Configuration {{{ */
10388     void (*$GSFontSetUseLegacyFontMetrics)(BOOL)(reinterpret_cast<void (*)(BOOL)>(dlsym(RTLD_DEFAULT, "GSFontSetUseLegacyFontMetrics")));
10389     if ($GSFontSetUseLegacyFontMetrics != NULL)
10390         $GSFontSetUseLegacyFontMetrics(YES);
10391
10392     // XXX: I have a feeling this was important
10393     //UIKeyboardDisableAutomaticAppearance();
10394     /* }}} */
10395
10396     Colon_ = UCLocalize("COLON_DELIMITED");
10397     Elision_ = UCLocalize("ELISION");
10398     Error_ = UCLocalize("ERROR");
10399     Warning_ = UCLocalize("WARNING");
10400
10401     _trace();
10402     int value(UIApplicationMain(argc, argv, @"Cydia", @"Cydia"));
10403
10404     CGColorSpaceRelease(space_);
10405     CFRelease(Locale_);
10406
10407     [pool release];
10408     return value;
10409 }