MobileCydia.mm

   1 /* Cydia - iPhone UIKit Front-End for Debian APT
   2  * Copyright (C) 2008-2015  Jay Freeman (saurik)
   3 */
   4
   5 /* GNU General Public License, Version 3 {{{ */
   6 /*
   7  * Cydia is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published
   9  * by the Free Software Foundation, either version 3 of the License,
  10  * or (at your option) any later version.
  11  *
  12  * Cydia is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with Cydia.  If not, see <http://www.gnu.org/licenses/>.
  19 **/
  20 /* }}} */
  21
  22 // XXX: wtf/FastMalloc.h... wtf?
  23 #define USE_SYSTEM_MALLOC 1
  24
  25 /* #include Directives {{{ */
  26 #include "CyteKit/UCPlatform.h"
  27 #include "CyteKit/Localize.h"
  28
  29 #include <unicode/ustring.h>
  30 #include <unicode/utrans.h>
  31
  32 #include <objc/objc.h>
  33 #include <objc/runtime.h>
  34
  35 #include <CoreGraphics/CoreGraphics.h>
  36 #include <Foundation/Foundation.h>
  37
  38 #if 0
  39 #define DEPLOYMENT_TARGET_MACOSX 1
  40 #define CF_BUILDING_CF 1
  41 #include <CoreFoundation/CFInternal.h>
  42 #endif
  43
  44 #include <CoreFoundation/CFUniChar.h>
  45
  46 #include <SystemConfiguration/SystemConfiguration.h>
  47
  48 #include <UIKit/UIKit.h>
  49 #include "iPhonePrivate.h"
  50
  51 #include <QuartzCore/CALayer.h>
  52
  53 #include <WebCore/WebCoreThread.h>
  54
  55 #include <algorithm>
  56 #include <fstream>
  57 #include <iomanip>
  58 #include <set>
  59 #include <sstream>
  60 #include <string>
  61
  62 #include "fdstream.hpp"
  63
  64 #undef ABS
  65
  66 #include "apt.h"
  67 #include <apt-pkg/acquire.h>
  68 #include <apt-pkg/acquire-item.h>
  69 #include <apt-pkg/algorithms.h>
  70 #include <apt-pkg/cachefile.h>
  71 #include <apt-pkg/clean.h>
  72 #include <apt-pkg/configuration.h>
  73 #include <apt-pkg/debindexfile.h>
  74 #include <apt-pkg/debmetaindex.h>
  75 #include <apt-pkg/error.h>
  76 #include <apt-pkg/init.h>
  77 #include <apt-pkg/mmap.h>
  78 #include <apt-pkg/pkgrecords.h>
  79 #include <apt-pkg/sha1.h>
  80 #include <apt-pkg/sourcelist.h>
  81 #include <apt-pkg/sptr.h>
  82 #include <apt-pkg/strutl.h>
  83 #include <apt-pkg/tagfile.h>
  84
  85 #include <sys/types.h>
  86 #include <sys/stat.h>
  87 #include <sys/sysctl.h>
  88 #include <sys/param.h>
  89 #include <sys/mount.h>
  90 #include <sys/reboot.h>
  91
  92 #include <dirent.h>
  93 #include <fcntl.h>
  94 #include <notify.h>
  95 #include <dlfcn.h>
  96
  97 extern "C" {
  98 #include <mach-o/nlist.h>
  99 }
 100
 101 #include <cstdio>
 102 #include <cstdlib>
 103 #include <cstring>
 104
 105 #include <errno.h>
 106
 107 #include <Cytore.hpp>
 108 #include "Sources.h"
 109
 110 #include "Substrate.hpp"
 111 #include "Menes/Menes.h"
 112
 113 #include "CyteKit/CyteKit.h"
 114 #include "CyteKit/RegEx.hpp"
 115
 116 #include "Cydia/MIMEAddress.h"
 117 #include "Cydia/LoadingViewController.h"
 118 #include "Cydia/ProgressEvent.h"
 119 /* }}} */
 120
 121 /* Profiler {{{ */
 122 struct timeval _ltv;
 123 bool _itv;
 124
 125 #define _timestamp ({ \
 126     struct timeval tv; \
 127     gettimeofday(&tv, NULL); \
 128     tv.tv_sec * 1000000 + tv.tv_usec; \
 129 })
 130
 131 typedef std::vector<class ProfileTime *> TimeList;
 132 TimeList times_;
 133
 134 class ProfileTime {
 135   private:
 136     const char *name_;
 137     uint64_t total_;
 138     uint64_t count_;
 139
 140   public:
 141     ProfileTime(const char *name) :
 142         name_(name),
 143         total_(0)
 144     {
 145         times_.push_back(this);
 146     }
 147
 148     void AddTime(uint64_t time) {
 149         total_ += time;
 150         ++count_;
 151     }
 152
 153     void Print() {
 154         if (total_ != 0)
 155             std::cerr << std::setw(7) << count_ << ", " << std::setw(8) << total_ << " : " << name_ << std::endl;
 156         total_ = 0;
 157         count_ = 0;
 158     }
 159 };
 160
 161 class ProfileTimer {
 162   private:
 163     ProfileTime &time_;
 164     uint64_t start_;
 165
 166   public:
 167     ProfileTimer(ProfileTime &time) :
 168         time_(time),
 169         start_(_timestamp)
 170     {
 171     }
 172
 173     ~ProfileTimer() {
 174         time_.AddTime(_timestamp - start_);
 175     }
 176 };
 177
 178 void PrintTimes() {
 179     for (TimeList::const_iterator i(times_.begin()); i != times_.end(); ++i)
 180         (*i)->Print();
 181     std::cerr << "========" << std::endl;
 182 }
 183
 184 #define _profile(name) { \
 185     static ProfileTime name(#name); \
 186     ProfileTimer _ ## name(name);
 187
 188 #define _end }
 189 /* }}} */
 190
 191 extern NSString *Cydia_;
 192
 193 #define lprintf(args...) fprintf(stderr, args)
 194
 195 #define ForRelease 1
 196 #define TraceLogging (1 && !ForRelease)
 197 #define HistogramInsertionSort (0 && !ForRelease)
 198 #define ProfileTimes (0 && !ForRelease)
 199 #define ForSaurik (0 && !ForRelease)
 200 #define LogBrowser (0 && !ForRelease)
 201 #define TrackResize (0 && !ForRelease)
 202 #define ManualRefresh (1 && !ForRelease)
 203 #define ShowInternals (0 && !ForRelease)
 204 #define AlwaysReload (0 && !ForRelease)
 205
 206 #if !TraceLogging
 207 #undef _trace
 208 #define _trace(args...)
 209 #endif
 210
 211 #if !ProfileTimes
 212 #undef _profile
 213 #define _profile(name) {
 214 #undef _end
 215 #define _end }
 216 #define PrintTimes() do {} while (false)
 217 #endif
 218
 219 // Hash Functions/Structures {{{
 220 extern "C" uint32_t hashlittle(const void *key, size_t length, uint32_t initval = 0);
 221
 222 union SplitHash {
 223     uint32_t u32;
 224     uint16_t u16[2];
 225 };
 226 // }}}
 227
 228 static NSString *Colon_;
 229 NSString *Elision_;
 230 static NSString *Error_;
 231 static NSString *Warning_;
 232
 233 static void (*$SBSSetInterceptsMenuButtonForever)(bool);
 234 static NSData *(*$SBSCopyIconImagePNGDataForDisplayIdentifier)(NSString *);
 235
 236 static CFStringRef (*$MGCopyAnswer)(CFStringRef);
 237
 238 static NSString *UniqueIdentifier(UIDevice *device = nil) {
 239     if (kCFCoreFoundationVersionNumber < 800) // iOS 7.x
 240         return [device ?: [UIDevice currentDevice] uniqueIdentifier];
 241     else
 242         return [(id)$MGCopyAnswer(CFSTR("UniqueDeviceID")) autorelease];
 243 }
 244
 245 static const NSUInteger UIViewAutoresizingFlexibleBoth(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight);
 246
 247 static _finline NSString *CydiaURL(NSString *path) {
 248     char page[26];
 249     page[0] = 'h'; page[1] = 't'; page[2] = 't'; page[3] = 'p'; page[4] = 's';
 250     page[5] = ':'; page[6] = '/'; page[7] = '/'; page[8] = 'c'; page[9] = 'y';
 251     page[10] = 'd'; page[11] = 'i'; page[12] = 'a'; page[13] = '.'; page[14] = 's';
 252     page[15] = 'a'; page[16] = 'u'; page[17] = 'r'; page[18] = 'i'; page[19] = 'k';
 253     page[20] = '.'; page[21] = 'c'; page[22] = 'o'; page[23] = 'm'; page[24] = '/';
 254     page[25] = '\0';
 255     return [[NSString stringWithUTF8String:page] stringByAppendingString:path];
 256 }
 257
 258 static NSString *ShellEscape(NSString *value) {
 259     return [NSString stringWithFormat:@"'%@'", [value stringByReplacingOccurrencesOfString:@"'" withString:@"'\\''"]];
 260 }
 261
 262 static _finline void UpdateExternalStatus(uint64_t newStatus) {
 263     int notify_token;
 264     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
 265         notify_set_state(notify_token, newStatus);
 266         notify_cancel(notify_token);
 267     }
 268     notify_post("com.saurik.Cydia.status");
 269 }
 270
 271 /* NSForcedOrderingSearch doesn't work on the iPhone */
 272 static const NSStringCompareOptions MatchCompareOptions_ = NSLiteralSearch | NSCaseInsensitiveSearch;
 273 static const NSStringCompareOptions LaxCompareOptions_ = NSNumericSearch | NSDiacriticInsensitiveSearch | NSWidthInsensitiveSearch | NSCaseInsensitiveSearch;
 274 static const CFStringCompareFlags LaxCompareFlags_ = kCFCompareNumerically | kCFCompareWidthInsensitive | kCFCompareForcedOrdering;
 275
 276 /* Insertion Sort {{{ */
 277
 278 template <typename Type_>
 279 size_t CFBSearch_(const Type_ &element, const void *list, size_t count, CFComparisonResult (*comparator)(Type_, Type_, void *), void *context) {
 280     const char *ptr = (const char *)list;
 281     while (0 < count) {
 282         size_t half = count / 2;
 283         const char *probe = ptr + sizeof(Type_) * half;
 284         CFComparisonResult cr = comparator(element, * (const Type_ *) probe, context);
 285         if (0 == cr) return (probe - (const char *)list) / sizeof(Type_);
 286         ptr = (cr < 0) ? ptr : probe + sizeof(Type_);
 287         count = (cr < 0) ? half : (half + (count & 1) - 1);
 288     }
 289     return (ptr - (const char *)list) / sizeof(Type_);
 290 }
 291
 292 template <typename Type_>
 293 void CYArrayInsertionSortValues(Type_ *values, size_t length, CFComparisonResult (*comparator)(Type_, Type_, void *), void *context) {
 294     if (length == 0)
 295         return;
 296
 297 #if HistogramInsertionSort > 0
 298     uint32_t total(0), *offsets(new uint32_t[length]);
 299 #endif
 300
 301     for (size_t index(1); index != length; ++index) {
 302         Type_ value(values[index]);
 303 #if 0
 304         size_t correct(CFBSearch_(value, values, index, comparator, context));
 305 #else
 306         size_t correct(index);
 307         while (comparator(value, values[correct - 1], context) == kCFCompareLessThan) {
 308 #if HistogramInsertionSort > 1
 309             NSLog(@"%@ < %@", value, values[correct - 1]);
 310 #endif
 311             if (--correct == 0)
 312                 break;
 313             if (index - correct >= 8) {
 314                 correct = CFBSearch_(value, values, correct, comparator, context);
 315                 break;
 316             }
 317         }
 318 #endif
 319         if (correct != index) {
 320             size_t offset(index - correct);
 321 #if HistogramInsertionSort
 322             total += offset;
 323             ++offsets[offset];
 324             if (offset > 10)
 325                 NSLog(@"Heavy Insertion Displacement: %u = %@", offset, value);
 326 #endif
 327             memmove(values + correct + 1, values + correct, sizeof(const void *) * offset);
 328             values[correct] = value;
 329         }
 330     }
 331
 332 #if HistogramInsertionSort > 0
 333     for (size_t index(0); index != range.length; ++index)
 334         if (offsets[index] != 0)
 335             NSLog(@"Insertion Displacement [%u]: %u", index, offsets[index]);
 336     NSLog(@"Average Insertion Displacement: %f", double(total) / range.length);
 337     delete [] offsets;
 338 #endif
 339 }
 340
 341 /* }}} */
 342
 343 /* Cydia NSString Additions {{{ */
 344 @interface NSString (Cydia)
 345 - (NSComparisonResult) compareByPath:(NSString *)other;
 346 - (NSString *) stringByAddingPercentEscapesIncludingReserved;
 347 @end
 348
 349 @implementation NSString (Cydia)
 350
 351 - (NSComparisonResult) compareByPath:(NSString *)other {
 352     NSString *prefix = [self commonPrefixWithString:other options:0];
 353     size_t length = [prefix length];
 354
 355     NSRange lrange = NSMakeRange(length, [self length] - length);
 356     NSRange rrange = NSMakeRange(length, [other length] - length);
 357
 358     lrange = [self rangeOfString:@"/" options:0 range:lrange];
 359     rrange = [other rangeOfString:@"/" options:0 range:rrange];
 360
 361     NSComparisonResult value;
 362
 363     if (lrange.location == NSNotFound && rrange.location == NSNotFound)
 364         value = NSOrderedSame;
 365     else if (lrange.location == NSNotFound)
 366         value = NSOrderedAscending;
 367     else if (rrange.location == NSNotFound)
 368         value = NSOrderedDescending;
 369     else
 370         value = NSOrderedSame;
 371
 372     NSString *lpath = lrange.location == NSNotFound ? [self substringFromIndex:length] :
 373         [self substringWithRange:NSMakeRange(length, lrange.location - length)];
 374     NSString *rpath = rrange.location == NSNotFound ? [other substringFromIndex:length] :
 375         [other substringWithRange:NSMakeRange(length, rrange.location - length)];
 376
 377     NSComparisonResult result = [lpath compare:rpath];
 378     return result == NSOrderedSame ? value : result;
 379 }
 380
 381 - (NSString *) stringByAddingPercentEscapesIncludingReserved {
 382     return [(id)CFURLCreateStringByAddingPercentEscapes(
 383         kCFAllocatorDefault,
 384         (CFStringRef) self,
 385         NULL,
 386         CFSTR(";/?:@&=+$,"),
 387         kCFStringEncodingUTF8
 388     ) autorelease];
 389 }
 390
 391 @end
 392 /* }}} */
 393
 394 /* C++ NSString Wrapper Cache {{{ */
 395 static _finline CFStringRef CYStringCreate(const char *data, size_t size) {
 396     return size == 0 ? NULL :
 397         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingUTF8, NO, kCFAllocatorNull) ?:
 398         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingISOLatin1, NO, kCFAllocatorNull);
 399 }
 400
 401 static _finline CFStringRef CYStringCreate(const std::string &data) {
 402     return CYStringCreate(data.data(), data.size());
 403 }
 404
 405 static _finline CFStringRef CYStringCreate(const char *data) {
 406     return CYStringCreate(data, strlen(data));
 407 }
 408
 409 class CYString {
 410   private:
 411     char *data_;
 412     size_t size_;
 413     CFStringRef cache_;
 414
 415     _finline void clear_() {
 416         if (cache_ != NULL) {
 417             CFRelease(cache_);
 418             cache_ = NULL;
 419         }
 420     }
 421
 422   public:
 423     _finline bool empty() const {
 424         return size_ == 0;
 425     }
 426
 427     _finline size_t size() const {
 428         return size_;
 429     }
 430
 431     _finline char *data() const {
 432         return data_;
 433     }
 434
 435     _finline void clear() {
 436         size_ = 0;
 437         clear_();
 438     }
 439
 440     _finline CYString() :
 441         data_(0),
 442         size_(0),
 443         cache_(NULL)
 444     {
 445     }
 446
 447     _finline ~CYString() {
 448         clear_();
 449     }
 450
 451     void operator =(const CYString &rhs) {
 452         data_ = rhs.data_;
 453         size_ = rhs.size_;
 454
 455         if (rhs.cache_ == nil)
 456             cache_ = NULL;
 457         else
 458             cache_ = reinterpret_cast<CFStringRef>(CFRetain(rhs.cache_));
 459     }
 460
 461     void copy(CYPool *pool) {
 462         char *temp(pool->malloc<char>(size_ + 1));
 463         memcpy(temp, data_, size_);
 464         temp[size_] = '\0';
 465         data_ = temp;
 466     }
 467
 468     void set(CYPool *pool, const char *data, size_t size) {
 469         if (size == 0)
 470             clear();
 471         else {
 472             clear_();
 473
 474             data_ = const_cast<char *>(data);
 475             size_ = size;
 476
 477             if (pool != NULL)
 478                 copy(pool);
 479         }
 480     }
 481
 482     _finline void set(CYPool *pool, const char *data) {
 483         set(pool, data, data == NULL ? 0 : strlen(data));
 484     }
 485
 486     _finline void set(CYPool *pool, const std::string &rhs) {
 487         set(pool, rhs.data(), rhs.size());
 488     }
 489
 490     bool operator ==(const CYString &rhs) const {
 491         return size_ == rhs.size_ && memcmp(data_, rhs.data_, size_) == 0;
 492     }
 493
 494     _finline operator CFStringRef() {
 495         if (cache_ == NULL)
 496             cache_ = CYStringCreate(data_, size_);
 497         return cache_;
 498     }
 499
 500     _finline operator id() {
 501         return (NSString *) static_cast<CFStringRef>(*this);
 502     }
 503
 504     _finline operator const char *() {
 505         return reinterpret_cast<const char *>(data_);
 506     }
 507 };
 508 /* }}} */
 509 /* C++ NSString Algorithm Adapters {{{ */
 510 extern "C" {
 511     CF_EXPORT CFHashCode CFStringHashNSString(CFStringRef str);
 512 }
 513
 514 struct NSStringMapHash :
 515     std::unary_function<NSString *, size_t>
 516 {
 517     _finline size_t operator ()(NSString *value) const {
 518         return CFStringHashNSString((CFStringRef) value);
 519     }
 520 };
 521
 522 struct NSStringMapLess :
 523     std::binary_function<NSString *, NSString *, bool>
 524 {
 525     _finline bool operator ()(NSString *lhs, NSString *rhs) const {
 526         return [lhs compare:rhs] == NSOrderedAscending;
 527     }
 528 };
 529
 530 struct NSStringMapEqual :
 531     std::binary_function<NSString *, NSString *, bool>
 532 {
 533     _finline bool operator ()(NSString *lhs, NSString *rhs) const {
 534         return CFStringCompare((CFStringRef) lhs, (CFStringRef) rhs, 0) == kCFCompareEqualTo;
 535         //CFEqual((CFTypeRef) lhs, (CFTypeRef) rhs);
 536         //[lhs isEqualToString:rhs];
 537     }
 538 };
 539 /* }}} */
 540
 541 /* CoreGraphics Primitives {{{ */
 542 class CYColor {
 543   private:
 544     CGColorRef color_;
 545
 546     static CGColorRef Create_(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
 547         CGFloat color[] = {red, green, blue, alpha};
 548         return CGColorCreate(space, color);
 549     }
 550
 551   public:
 552     CYColor() :
 553         color_(NULL)
 554     {
 555     }
 556
 557     CYColor(CGColorSpaceRef space, float red, float green, float blue, float alpha) :
 558         color_(Create_(space, red, green, blue, alpha))
 559     {
 560         Set(space, red, green, blue, alpha);
 561     }
 562
 563     void Clear() {
 564         if (color_ != NULL)
 565             CGColorRelease(color_);
 566     }
 567
 568     ~CYColor() {
 569         Clear();
 570     }
 571
 572     void Set(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
 573         Clear();
 574         color_ = Create_(space, red, green, blue, alpha);
 575     }
 576
 577     operator CGColorRef() {
 578         return color_;
 579     }
 580 };
 581 /* }}} */
 582
 583 /* Random Global Variables {{{ */
 584 static int PulseInterval_ = 500000;
 585
 586 static const NSString *UI_;
 587
 588 static int Finish_;
 589 static bool RestartSubstrate_;
 590 static NSArray *Finishes_;
 591
 592 #define SpringBoard_ "/System/Library/LaunchDaemons/com.apple.SpringBoard.plist"
 593 #define NotifyConfig_ "/etc/notify.conf"
 594
 595 static bool Queuing_;
 596
 597 static CYColor Blue_;
 598 static CYColor Blueish_;
 599 static CYColor Black_;
 600 static CYColor Folder_;
 601 static CYColor Off_;
 602 static CYColor White_;
 603 static CYColor Gray_;
 604 static CYColor Green_;
 605 static CYColor Purple_;
 606 static CYColor Purplish_;
 607
 608 static UIColor *InstallingColor_;
 609 static UIColor *RemovingColor_;
 610
 611 static NSString *App_;
 612
 613 static BOOL Advanced_;
 614 static BOOL Ignored_;
 615
 616 static _H<UIFont> Font12_;
 617 static _H<UIFont> Font12Bold_;
 618 static _H<UIFont> Font14_;
 619 static _H<UIFont> Font18_;
 620 static _H<UIFont> Font18Bold_;
 621 static _H<UIFont> Font22Bold_;
 622
 623 static _H<NSString> UniqueID_;
 624
 625 static _H<NSLocale> CollationLocale_;
 626 static _H<NSArray> CollationThumbs_;
 627 static std::vector<NSInteger> CollationOffset_;
 628 static _H<NSArray> CollationTitles_;
 629 static _H<NSArray> CollationStarts_;
 630 static UTransliterator *CollationTransl_;
 631 //static Function<NSString *, NSString *> CollationModify_;
 632
 633 typedef std::basic_string<UChar> ustring;
 634 static ustring CollationString_;
 635
 636 #define CUC const ustring &str(*reinterpret_cast<const ustring *>(rep))
 637 #define UC ustring &str(*reinterpret_cast<ustring *>(rep))
 638 static struct UReplaceableCallbacks CollationUCalls_ = {
 639     .length = [](const UReplaceable *rep) -> int32_t { CUC;
 640         return str.size();
 641     },
 642
 643     .charAt = [](const UReplaceable *rep, int32_t offset) -> UChar { CUC;
 644         //fprintf(stderr, "charAt(%d) : %d\n", offset, str.size());
 645         if (offset >= str.size())
 646             return 0xffff;
 647         return str[offset];
 648     },
 649
 650     .char32At = [](const UReplaceable *rep, int32_t offset) -> UChar32 { CUC;
 651         //fprintf(stderr, "char32At(%d) : %d\n", offset, str.size());
 652         if (offset >= str.size())
 653             return 0xffff;
 654         UChar32 c;
 655         U16_GET(str.data(), 0, offset, str.size(), c);
 656         return c;
 657     },
 658
 659     .replace = [](UReplaceable *rep, int32_t start, int32_t limit, const UChar *text, int32_t length) -> void { UC;
 660         //fprintf(stderr, "replace(%d, %d, %d) : %d\n", start, limit, length, str.size());
 661         str.replace(start, limit - start, text, length);
 662     },
 663
 664     .extract = [](UReplaceable *rep, int32_t start, int32_t limit, UChar *dst) -> void { UC;
 665         //fprintf(stderr, "extract(%d, %d) : %d\n", start, limit, str.size());
 666         str.copy(dst, limit - start, start);
 667     },
 668
 669     .copy = [](UReplaceable *rep, int32_t start, int32_t limit, int32_t dest) -> void { UC;
 670         //fprintf(stderr, "copy(%d, %d, %d) : %d\n", start, limit, dest, str.size());
 671         str.replace(dest, 0, str, start, limit - start);
 672     },
 673 };
 674
 675 static CFLocaleRef Locale_;
 676 static NSArray *Languages_;
 677 static CGColorSpaceRef space_;
 678
 679 #define CacheState_ Cache("CacheState.plist")
 680 #define SavedState_ Cache("SavedState.plist")
 681
 682 static NSDictionary *SectionMap_;
 683 static _H<NSDate> Backgrounded_;
 684 static _transient NSMutableDictionary *Values_;
 685 static _transient NSMutableDictionary *Sections_;
 686 _H<NSMutableDictionary> Sources_;
 687 static _transient NSNumber *Version_;
 688 static time_t now_;
 689
 690 static _H<NSMutableDictionary> SessionData_;
 691 static _H<NSMutableSet> BridgedHosts_;
 692 static _H<NSMutableSet> InsecureHosts_;
 693
 694 static NSString *kCydiaProgressEventTypeError = @"Error";
 695 static NSString *kCydiaProgressEventTypeInformation = @"Information";
 696 static NSString *kCydiaProgressEventTypeStatus = @"Status";
 697 static NSString *kCydiaProgressEventTypeWarning = @"Warning";
 698 /* }}} */
 699
 700 /* Display Helpers {{{ */
 701 static _finline const char *StripVersion_(const char *version) {
 702     const char *colon(strchr(version, ':'));
 703     return colon == NULL ? version : colon + 1;
 704 }
 705
 706 NSString *LocalizeSection(NSString *section) {
 707     static RegEx title_r("(.*?) \\((.*)\\)");
 708     if (title_r(section)) {
 709         NSString *parent(title_r[1]);
 710         NSString *child(title_r[2]);
 711
 712         return [NSString stringWithFormat:UCLocalize("PARENTHETICAL"),
 713             LocalizeSection(parent),
 714             LocalizeSection(child)
 715         ];
 716     }
 717
 718     return [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
 719 }
 720
 721 NSString *Simplify(NSString *title) {
 722     const char *data = [title UTF8String];
 723     size_t size = [title lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
 724
 725     static RegEx square_r("\\[(.*)\\]");
 726     if (square_r(data, size))
 727         return Simplify(square_r[1]);
 728
 729     static RegEx paren_r("\\((.*)\\)");
 730     if (paren_r(data, size))
 731         return Simplify(paren_r[1]);
 732
 733     static RegEx title_r("(.*?) \\((.*)\\)");
 734     if (title_r(data, size))
 735         return Simplify(title_r[1]);
 736
 737     return title;
 738 }
 739 /* }}} */
 740
 741 bool isSectionVisible(NSString *section) {
 742     NSDictionary *metadata([Sections_ objectForKey:(section ?: @"")]);
 743     NSNumber *hidden(metadata == nil ? nil : [metadata objectForKey:@"Hidden"]);
 744     return hidden == nil || ![hidden boolValue];
 745 }
 746
 747 static NSString *VerifySource(NSString *href) {
 748     static RegEx href_r("(http(s?)://|file:///)[^# ]*");
 749     if (!href_r(href)) {
 750         [[[[UIAlertView alloc]
 751             initWithTitle:[NSString stringWithFormat:Colon_, Error_, UCLocalize("INVALID_URL")]
 752             message:UCLocalize("INVALID_URL_EX")
 753             delegate:nil
 754             cancelButtonTitle:UCLocalize("OK")
 755             otherButtonTitles:nil
 756         ] autorelease] show];
 757
 758         return nil;
 759     }
 760
 761     if (![href hasSuffix:@"/"])
 762         href = [href stringByAppendingString:@"/"];
 763     return href;
 764 }
 765
 766 @class Cydia;
 767
 768 /* Delegate Prototypes {{{ */
 769 @class Package;
 770 @class Source;
 771 @class CydiaProgressEvent;
 772
 773 @protocol DatabaseDelegate
 774 - (void) repairWithSelector:(SEL)selector;
 775 - (void) setConfigurationData:(NSString *)data;
 776 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task;
 777 @end
 778
 779 @class CYPackageController;
 780
 781 @protocol SourceDelegate
 782 - (void) setFetch:(NSNumber *)fetch;
 783 @end
 784
 785 @protocol FetchDelegate
 786 - (bool) isSourceCancelled;
 787 - (void) startSourceFetch:(NSString *)uri;
 788 - (void) stopSourceFetch:(NSString *)uri;
 789 @end
 790
 791 @protocol CydiaDelegate
 792 - (void) returnToCydia;
 793 - (void) saveState;
 794 - (void) retainNetworkActivityIndicator;
 795 - (void) releaseNetworkActivityIndicator;
 796 - (void) clearPackage:(Package *)package;
 797 - (void) installPackage:(Package *)package;
 798 - (void) installPackages:(NSArray *)packages;
 799 - (void) removePackage:(Package *)package;
 800 - (void) beginUpdate;
 801 - (BOOL) updating;
 802 - (bool) requestUpdate;
 803 - (void) distUpgrade;
 804 - (void) loadData;
 805 - (void) updateData;
 806 - (void) _saveConfig;
 807 - (void) syncData;
 808 - (void) addSource:(NSDictionary *)source;
 809 - (BOOL) addTrivialSource:(NSString *)href;
 810 - (UIProgressHUD *) addProgressHUD;
 811 - (void) removeProgressHUD:(UIProgressHUD *)hud;
 812 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item;
 813 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
 814 @end
 815 /* }}} */
 816
 817 /* CancelStatus {{{ */
 818 class CancelStatus :
 819     public pkgAcquireStatus
 820 {
 821   private:
 822     bool cancelled_;
 823
 824   public:
 825     CancelStatus() :
 826         cancelled_(false)
 827     {
 828     }
 829
 830     virtual bool MediaChange(std::string media, std::string drive) {
 831         return false;
 832     }
 833
 834     virtual void IMSHit(pkgAcquire::ItemDesc &desc) {
 835         Done(desc);
 836     }
 837
 838     virtual bool Pulse_(pkgAcquire *Owner) = 0;
 839
 840     virtual bool Pulse(pkgAcquire *Owner) {
 841         if (pkgAcquireStatus::Pulse(Owner) && Pulse_(Owner))
 842             return true;
 843         else {
 844             cancelled_ = true;
 845             return false;
 846         }
 847     }
 848
 849     _finline bool WasCancelled() const {
 850         return cancelled_;
 851     }
 852 };
 853 /* }}} */
 854 /* DelegateStatus {{{ */
 855 class CydiaStatus :
 856     public CancelStatus
 857 {
 858   private:
 859     _transient NSObject<ProgressDelegate> *delegate_;
 860
 861   public:
 862     CydiaStatus() :
 863         delegate_(nil)
 864     {
 865     }
 866
 867     void setDelegate(NSObject<ProgressDelegate> *delegate) {
 868         delegate_ = delegate;
 869     }
 870
 871     virtual void Fetch(pkgAcquire::ItemDesc &desc) {
 872         NSString *name([NSString stringWithUTF8String:desc.ShortDesc.c_str()]);
 873         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithFormat:UCLocalize("DOWNLOADING_"), name] ofType:kCydiaProgressEventTypeStatus forItemDesc:desc]);
 874         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
 875     }
 876
 877     virtual void Done(pkgAcquire::ItemDesc &desc) {
 878         NSString *name([NSString stringWithUTF8String:desc.ShortDesc.c_str()]);
 879         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithFormat:Colon_, UCLocalize("DONE"), name] ofType:kCydiaProgressEventTypeStatus forItemDesc:desc]);
 880         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
 881     }
 882
 883     virtual void Fail(pkgAcquire::ItemDesc &desc) {
 884         if (
 885             desc.Owner->Status == pkgAcquire::Item::StatIdle ||
 886             desc.Owner->Status == pkgAcquire::Item::StatDone
 887         )
 888             return;
 889
 890         std::string &error(desc.Owner->ErrorText);
 891         if (error.empty())
 892             return;
 893
 894         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:kCydiaProgressEventTypeError forItemDesc:desc]);
 895         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
 896     }
 897
 898     virtual bool Pulse_(pkgAcquire *Owner) {
 899         double percent(
 900             double(CurrentBytes + CurrentItems) /
 901             double(TotalBytes + TotalItems)
 902         );
 903
 904         [delegate_ performSelectorOnMainThread:@selector(setProgressStatus:) withObject:[NSDictionary dictionaryWithObjectsAndKeys:
 905             [NSNumber numberWithDouble:percent], @"Percent",
 906
 907             [NSNumber numberWithDouble:CurrentBytes], @"Current",
 908             [NSNumber numberWithDouble:TotalBytes], @"Total",
 909             [NSNumber numberWithDouble:CurrentCPS], @"Speed",
 910         nil] waitUntilDone:YES];
 911
 912         return ![delegate_ isProgressCancelled];
 913     }
 914
 915     virtual void Start() {
 916         pkgAcquireStatus::Start();
 917         [delegate_ performSelectorOnMainThread:@selector(setProgressCancellable:) withObject:[NSNumber numberWithBool:YES] waitUntilDone:YES];
 918     }
 919
 920     virtual void Stop() {
 921         pkgAcquireStatus::Stop();
 922         [delegate_ performSelectorOnMainThread:@selector(setProgressCancellable:) withObject:[NSNumber numberWithBool:NO] waitUntilDone:YES];
 923         [delegate_ performSelectorOnMainThread:@selector(setProgressStatus:) withObject:nil waitUntilDone:YES];
 924     }
 925 };
 926 /* }}} */
 927 /* Database Interface {{{ */
 928 typedef std::map< unsigned long, _H<Source> > SourceMap;
 929
 930 @interface Database : NSObject {
 931     NSZone *zone_;
 932     CYPool pool_;
 933
 934     unsigned era_;
 935     _H<NSDate> delock_;
 936
 937     pkgCacheFile cache_;
 938     pkgDepCache::Policy *policy_;
 939     pkgRecords *records_;
 940     pkgProblemResolver *resolver_;
 941     pkgAcquire *fetcher_;
 942     FileFd *lock_;
 943     SPtr<pkgPackageManager> manager_;
 944     pkgSourceList *list_;
 945
 946     SourceMap sourceMap_;
 947     _H<NSMutableArray> sourceList_;
 948
 949     _H<NSArray> packages_;
 950
 951     _transient NSObject<DatabaseDelegate> *delegate_;
 952     _transient NSObject<ProgressDelegate> *progress_;
 953
 954     CydiaStatus status_;
 955
 956     int cydiafd_;
 957     int statusfd_;
 958     FILE *input_;
 959
 960     std::map<const char *, _H<NSString> > sections_;
 961 }
 962
 963 + (Database *) sharedInstance;
 964 - (unsigned) era;
 965 - (bool) hasPackages;
 966
 967 - (void) _readCydia:(NSNumber *)fd;
 968 - (void) _readStatus:(NSNumber *)fd;
 969 - (void) _readOutput:(NSNumber *)fd;
 970
 971 - (FILE *) input;
 972
 973 - (Package *) packageWithName:(NSString *)name;
 974
 975 - (pkgCacheFile &) cache;
 976 - (pkgDepCache::Policy *) policy;
 977 - (pkgRecords *) records;
 978 - (pkgProblemResolver *) resolver;
 979 - (pkgAcquire &) fetcher;
 980 - (pkgSourceList &) list;
 981 - (NSArray *) packages;
 982 - (NSArray *) sources;
 983 - (Source *) sourceWithKey:(NSString *)key;
 984 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
 985
 986 - (void) configure;
 987 - (bool) prepare;
 988 - (void) perform;
 989 - (bool) upgrade;
 990 - (void) update;
 991
 992 - (void) updateWithStatus:(CancelStatus &)status;
 993
 994 - (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate;
 995
 996 - (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate;
 997 - (NSObject<ProgressDelegate> *) progressDelegate;
 998
 999 - (Source *) getSource:(pkgCache::PkgFileIterator)file;
1000 - (void) setFetch:(bool)fetch forURI:(const char *)uri;
1001 - (void) resetFetch;
1002
1003 - (NSString *) mappedSectionForPointer:(const char *)pointer;
1004
1005 @end
1006 /* }}} */
1007 /* SourceStatus {{{ */
1008 class SourceStatus :
1009     public CancelStatus
1010 {
1011   private:
1012     _transient NSObject<FetchDelegate> *delegate_;
1013     _transient Database *database_;
1014     std::set<std::string> fetches_;
1015
1016   public:
1017     SourceStatus(NSObject<FetchDelegate> *delegate, Database *database) :
1018         delegate_(delegate),
1019         database_(database)
1020     {
1021     }
1022
1023     void Set(bool fetch, const std::string &uri) {
1024         if (fetch) {
1025             if (!fetches_.insert(uri).second)
1026                 return;
1027         } else {
1028             if (fetches_.erase(uri) == 0)
1029                 return;
1030         }
1031
1032         //printf("Set(%s, %s)\n", fetch ? "true" : "false", uri.c_str());
1033
1034         auto slash(uri.rfind('/'));
1035         if (slash != std::string::npos)
1036             [database_ setFetch:fetch forURI:uri.substr(0, slash).c_str()];
1037     }
1038
1039     _finline void Set(bool fetch, pkgAcquire::Item *item) {
1040         /*unsigned long ID(fetch ? 1 : 0);
1041         if (item->ID == ID)
1042             return;
1043         item->ID = ID;*/
1044         Set(fetch, item->DescURI());
1045     }
1046
1047     void Log(const char *tag, pkgAcquire::Item *item) {
1048         //printf("%s(%s) S:%u Q:%u\n", tag, item->DescURI().c_str(), item->Status, item->QueueCounter);
1049     }
1050
1051     virtual void Fetch(pkgAcquire::ItemDesc &desc) {
1052         Log("Fetch", desc.Owner);
1053         Set(true, desc.Owner);
1054     }
1055
1056     virtual void Done(pkgAcquire::ItemDesc &desc) {
1057         Log("Done", desc.Owner);
1058         Set(false, desc.Owner);
1059     }
1060
1061     virtual void Fail(pkgAcquire::ItemDesc &desc) {
1062         Log("Fail", desc.Owner);
1063         Set(false, desc.Owner);
1064     }
1065
1066     virtual bool Pulse_(pkgAcquire *Owner) {
1067         std::set<std::string> fetches;
1068         for (pkgAcquire::ItemCIterator item(Owner->ItemsBegin()); item != Owner->ItemsEnd(); ++item) {
1069             bool fetch;
1070             if ((*item)->QueueCounter == 0)
1071                 fetch = false;
1072             else switch ((*item)->Status) {
1073                 case pkgAcquire::Item::StatFetching:
1074                     fetches.insert((*item)->DescURI());
1075                     fetch = true;
1076                 break;
1077
1078                 default:
1079                     fetch = false;
1080                 break;
1081             }
1082
1083             Log(fetch ? "Pulse<true>" : "Pulse<false>", *item);
1084             Set(fetch, *item);
1085         }
1086
1087         std::vector<std::string> stops;
1088         std::set_difference(fetches_.begin(), fetches_.end(), fetches.begin(), fetches.end(), std::back_insert_iterator<std::vector<std::string>>(stops));
1089         for (std::vector<std::string>::const_iterator stop(stops.begin()); stop != stops.end(); ++stop) {
1090             //printf("Stop(%s)\n", stop->c_str());
1091             Set(false, *stop);
1092         }
1093
1094         return ![delegate_ isSourceCancelled];
1095     }
1096
1097     virtual void Stop() {
1098         pkgAcquireStatus::Stop();
1099         [database_ resetFetch];
1100     }
1101 };
1102 /* }}} */
1103 /* ProgressEvent Implementation {{{ */
1104 @implementation CydiaProgressEvent
1105
1106 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type {
1107     return [[[CydiaProgressEvent alloc] initWithMessage:message ofType:type] autorelease];
1108 }
1109
1110 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forPackage:(NSString *)package {
1111     CydiaProgressEvent *event([self eventWithMessage:message ofType:type]);
1112     [event setPackage:package];
1113     return event;
1114 }
1115
1116 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forItemDesc:(pkgAcquire::ItemDesc &)desc {
1117     CydiaProgressEvent *event([self eventWithMessage:message ofType:type]);
1118
1119     NSString *description([NSString stringWithUTF8String:desc.Description.c_str()]);
1120     NSArray *fields([description componentsSeparatedByString:@" "]);
1121     [event setItem:fields];
1122
1123     if ([fields count] > 3) {
1124         [event setPackage:[fields objectAtIndex:2]];
1125         [event setVersion:[fields objectAtIndex:3]];
1126     }
1127
1128     [event setURL:[NSString stringWithUTF8String:desc.URI.c_str()]];
1129
1130     return event;
1131 }
1132
1133 + (NSArray *) _attributeKeys {
1134     return [NSArray arrayWithObjects:
1135         @"item",
1136         @"message",
1137         @"package",
1138         @"type",
1139         @"url",
1140         @"version",
1141     nil];
1142 }
1143
1144 - (NSArray *) attributeKeys {
1145     return [[self class] _attributeKeys];
1146 }
1147
1148 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1149     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1150 }
1151
1152 - (id) initWithMessage:(NSString *)message ofType:(NSString *)type {
1153     if ((self = [super init]) != nil) {
1154         message_ = message;
1155         type_ = type;
1156     } return self;
1157 }
1158
1159 - (NSString *) message {
1160     return message_;
1161 }
1162
1163 - (NSString *) type {
1164     return type_;
1165 }
1166
1167 - (NSArray *) item {
1168     return (id) item_ ?: [NSNull null];
1169 }
1170
1171 - (void) setItem:(NSArray *)item {
1172     item_ = item;
1173 }
1174
1175 - (NSString *) package {
1176     return (id) package_ ?: [NSNull null];
1177 }
1178
1179 - (void) setPackage:(NSString *)package {
1180     package_ = package;
1181 }
1182
1183 - (NSString *) url {
1184     return (id) url_ ?: [NSNull null];
1185 }
1186
1187 - (void) setURL:(NSString *)url {
1188     url_ = url;
1189 }
1190
1191 - (void) setVersion:(NSString *)version {
1192     version_ = version;
1193 }
1194
1195 - (NSString *) version {
1196     return (id) version_ ?: [NSNull null];
1197 }
1198
1199 - (NSString *) compound:(NSString *)value {
1200     if (value != nil) {
1201         NSString *mode(nil); {
1202             NSString *type([self type]);
1203             if ([type isEqualToString:kCydiaProgressEventTypeError])
1204                 mode = UCLocalize("ERROR");
1205             else if ([type isEqualToString:kCydiaProgressEventTypeWarning])
1206                 mode = UCLocalize("WARNING");
1207         }
1208
1209         if (mode != nil)
1210             value = [NSString stringWithFormat:UCLocalize("COLON_DELIMITED"), mode, value];
1211     }
1212
1213     return value;
1214 }
1215
1216 - (NSString *) compoundMessage {
1217     return [self compound:[self message]];
1218 }
1219
1220 - (NSString *) compoundTitle {
1221     NSString *title;
1222
1223     if (package_ == nil)
1224         title = nil;
1225     else if (Package *package = [[Database sharedInstance] packageWithName:package_])
1226         title = [package name];
1227     else
1228         title = package_;
1229
1230     return [self compound:title];
1231 }
1232
1233 @end
1234 /* }}} */
1235
1236 // Cytore Definitions {{{
1237 struct PackageValue :
1238     Cytore::Block
1239 {
1240     Cytore::Offset<PackageValue> next_;
1241
1242     uint32_t index_ : 23;
1243     uint32_t subscribed_ : 1;
1244     uint32_t : 8;
1245
1246     int32_t first_;
1247     int32_t last_;
1248
1249     uint16_t vhash_;
1250     uint16_t nhash_;
1251
1252     char version_[8];
1253     char name_[];
1254 } _packed;
1255
1256 struct MetaValue :
1257     Cytore::Block
1258 {
1259     uint32_t active_;
1260     Cytore::Offset<PackageValue> packages_[1 << 16];
1261 } _packed;
1262
1263 static Cytore::File<MetaValue> MetaFile_;
1264 // }}}
1265 // Cytore Helper Functions {{{
1266 static PackageValue *PackageFind(const char *name, size_t length, bool *fail = NULL) {
1267     SplitHash nhash = { hashlittle(name, length) };
1268
1269     PackageValue *metadata;
1270
1271     Cytore::Offset<PackageValue> *offset(&MetaFile_->packages_[nhash.u16[0]]);
1272     for (;; offset = &metadata->next_) { if (offset->IsNull()) {
1273         *offset = MetaFile_.New<PackageValue>(length + 1);
1274         metadata = &MetaFile_.Get(*offset);
1275
1276         if (metadata == NULL) {
1277             if (fail != NULL)
1278                 *fail = true;
1279
1280             metadata = new PackageValue();
1281             memset(metadata, 0, sizeof(*metadata));
1282         }
1283
1284         memcpy(metadata->name_, name, length);
1285         metadata->name_[length] = '\0';
1286         metadata->nhash_ = nhash.u16[1];
1287     } else {
1288         metadata = &MetaFile_.Get(*offset);
1289         if (metadata->nhash_ != nhash.u16[1])
1290             continue;
1291         if (strncmp(metadata->name_, name, length) != 0)
1292             continue;
1293         if (metadata->name_[length] != '\0')
1294             continue;
1295     } break; }
1296
1297     return metadata;
1298 }
1299
1300 static void PackageImport(const void *key, const void *value, void *context) {
1301     bool &fail(*reinterpret_cast<bool *>(context));
1302
1303     char buffer[1024];
1304     if (!CFStringGetCString((CFStringRef) key, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
1305         NSLog(@"failed to import package %@", key);
1306         return;
1307     }
1308
1309     PackageValue *metadata(PackageFind(buffer, strlen(buffer), &fail));
1310     NSDictionary *package((NSDictionary *) value);
1311
1312     if (NSNumber *subscribed = [package objectForKey:@"IsSubscribed"])
1313         if ([subscribed boolValue] && !metadata->subscribed_)
1314             metadata->subscribed_ = true;
1315
1316     if (NSDate *date = [package objectForKey:@"FirstSeen"]) {
1317         time_t time([date timeIntervalSince1970]);
1318         if (metadata->first_ > time || metadata->first_ == 0)
1319             metadata->first_ = time;
1320     }
1321
1322     NSDate *date([package objectForKey:@"LastSeen"]);
1323     NSString *version([package objectForKey:@"LastVersion"]);
1324
1325     if (date != nil && version != nil) {
1326         time_t time([date timeIntervalSince1970]);
1327         if (metadata->last_ < time || metadata->last_ == 0)
1328             if (CFStringGetCString((CFStringRef) version, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
1329                 size_t length(strlen(buffer));
1330                 uint16_t vhash(hashlittle(buffer, length));
1331
1332                 size_t capped(std::min<size_t>(8, length));
1333                 char *latest(buffer + length - capped);
1334
1335                 strncpy(metadata->version_, latest, sizeof(metadata->version_));
1336                 metadata->vhash_ = vhash;
1337
1338                 metadata->last_ = time;
1339             }
1340     }
1341 }
1342 // }}}
1343
1344 static NSDate *GetStatusDate() {
1345     return [[[NSFileManager defaultManager] attributesOfItemAtPath:@"/var/lib/dpkg/status" error:NULL] fileModificationDate];
1346 }
1347
1348 static void SaveConfig(NSObject *lock) {
1349     @synchronized (lock) {
1350         _trace();
1351         MetaFile_.Sync();
1352         _trace();
1353     }
1354
1355     CFPreferencesSetMultiple((CFDictionaryRef) [NSDictionary dictionaryWithObjectsAndKeys:
1356         Values_, @"CydiaValues",
1357         Sections_, @"CydiaSections",
1358         (id) Sources_, @"CydiaSources",
1359         Version_, @"CydiaVersion",
1360     nil], NULL, CFSTR("com.saurik.Cydia"), kCFPreferencesCurrentUser, kCFPreferencesCurrentHost);
1361
1362     if (!CFPreferencesAppSynchronize(CFSTR("com.saurik.Cydia")))
1363         NSLog(@"CFPreferencesAppSynchronize(com.saurik.Cydia) == false");
1364
1365     CydiaWriteSources();
1366 }
1367
1368 /* Source Class {{{ */
1369 @interface Source : NSObject {
1370     unsigned era_;
1371     Database *database_;
1372     metaIndex *index_;
1373
1374     CYString depiction_;
1375     CYString description_;
1376     CYString label_;
1377     CYString origin_;
1378     CYString support_;
1379
1380     CYString uri_;
1381     CYString distribution_;
1382     CYString type_;
1383     CYString base_;
1384     CYString version_;
1385
1386     _H<NSString> host_;
1387     _H<NSString> authority_;
1388
1389     CYString defaultIcon_;
1390
1391     _H<NSMutableDictionary> record_;
1392     BOOL trusted_;
1393
1394     std::set<std::string> fetches_;
1395     std::set<std::string> files_;
1396     _transient NSObject<SourceDelegate> *delegate_;
1397 }
1398
1399 - (Source *) initWithMetaIndex:(metaIndex *)index forDatabase:(Database *)database inPool:(CYPool *)pool;
1400
1401 - (NSComparisonResult) compareByName:(Source *)source;
1402
1403 - (NSString *) depictionForPackage:(NSString *)package;
1404 - (NSString *) supportForPackage:(NSString *)package;
1405
1406 - (metaIndex *) metaIndex;
1407 - (NSDictionary *) record;
1408 - (BOOL) trusted;
1409
1410 - (NSString *) rooturi;
1411 - (NSString *) distribution;
1412 - (NSString *) type;
1413
1414 - (NSString *) key;
1415 - (NSString *) host;
1416
1417 - (NSString *) name;
1418 - (NSString *) shortDescription;
1419 - (NSString *) label;
1420 - (NSString *) origin;
1421 - (NSString *) version;
1422
1423 - (NSString *) defaultIcon;
1424 - (NSURL *) iconURL;
1425
1426 - (void) setFetch:(bool)fetch forURI:(const char *)uri;
1427 - (void) resetFetch;
1428
1429 @end
1430
1431 @implementation Source
1432
1433 + (NSString *) webScriptNameForSelector:(SEL)selector {
1434     if (false);
1435     else if (selector == @selector(addSection:))
1436         return @"addSection";
1437     else if (selector == @selector(getField:))
1438         return @"getField";
1439     else if (selector == @selector(removeSection:))
1440         return @"removeSection";
1441     else if (selector == @selector(remove))
1442         return @"remove";
1443     else
1444         return nil;
1445 }
1446
1447 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
1448     return [self webScriptNameForSelector:selector] == nil;
1449 }
1450
1451 + (NSArray *) _attributeKeys {
1452     return [NSArray arrayWithObjects:
1453         @"baseuri",
1454         @"distribution",
1455         @"host",
1456         @"key",
1457         @"iconuri",
1458         @"label",
1459         @"name",
1460         @"origin",
1461         @"rooturi",
1462         @"sections",
1463         @"shortDescription",
1464         @"trusted",
1465         @"type",
1466         @"version",
1467     nil];
1468 }
1469
1470 - (NSArray *) attributeKeys {
1471     return [[self class] _attributeKeys];
1472 }
1473
1474 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1475     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1476 }
1477
1478 - (metaIndex *) metaIndex {
1479     return index_;
1480 }
1481
1482 - (void) setMetaIndex:(metaIndex *)index inPool:(CYPool *)pool {
1483     trusted_ = index->IsTrusted();
1484
1485     uri_.set(pool, index->GetURI());
1486     distribution_.set(pool, index->GetDist());
1487     type_.set(pool, index->GetType());
1488
1489     debReleaseIndex *dindex(dynamic_cast<debReleaseIndex *>(index));
1490     if (dindex != NULL) {
1491         std::string file(dindex->MetaIndexURI(""));
1492         base_.set(pool, file);
1493
1494         pkgAcquire acquire;
1495         _profile(Source$setMetaIndex$GetIndexes)
1496         dindex->GetIndexes(&acquire, true);
1497         _end
1498         _profile(Source$setMetaIndex$DescURI)
1499         for (pkgAcquire::ItemIterator item(acquire.ItemsBegin()); item != acquire.ItemsEnd(); item++) {
1500             std::string file((*item)->DescURI());
1501             auto slash(file.rfind('/'));
1502             if (slash == std::string::npos)
1503                 continue;
1504             files_.insert(file.substr(0, slash));
1505         }
1506         _end
1507
1508         FileFd fd;
1509         if (!fd.Open(dindex->MetaIndexFile("Release"), FileFd::ReadOnly))
1510             _error->Discard();
1511         else {
1512             pkgTagFile tags(&fd);
1513
1514             pkgTagSection section;
1515             tags.Step(section);
1516
1517             struct {
1518                 const char *name_;
1519                 CYString *value_;
1520             } names[] = {
1521                 {"default-icon", &defaultIcon_},
1522                 {"depiction", &depiction_},
1523                 {"description", &description_},
1524                 {"label", &label_},
1525                 {"origin", &origin_},
1526                 {"support", &support_},
1527                 {"version", &version_},
1528             };
1529
1530             for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i) {
1531                 const char *start, *end;
1532
1533                 if (section.Find(names[i].name_, start, end)) {
1534                     CYString &value(*names[i].value_);
1535                     value.set(pool, start, end - start);
1536                 }
1537             }
1538         }
1539     }
1540
1541     record_ = [Sources_ objectForKey:[self key]];
1542
1543     NSURL *url([NSURL URLWithString:uri_]);
1544
1545     host_ = [url host];
1546     if (host_ != nil)
1547         host_ = [host_ lowercaseString];
1548
1549     if (host_ != nil)
1550         authority_ = host_;
1551     else
1552         authority_ = [url path];
1553 }
1554
1555 - (Source *) initWithMetaIndex:(metaIndex *)index forDatabase:(Database *)database inPool:(CYPool *)pool {
1556     if ((self = [super init]) != nil) {
1557         era_ = [database era];
1558         database_ = database;
1559         index_ = index;
1560
1561         _profile(Source$initWithMetaIndex$setMetaIndex)
1562         [self setMetaIndex:index inPool:pool];
1563         _end
1564     } return self;
1565 }
1566
1567 - (NSString *) getField:(NSString *)name {
1568 @synchronized (database_) {
1569     if ([database_ era] != era_ || index_ == NULL)
1570         return nil;
1571
1572     debReleaseIndex *dindex(dynamic_cast<debReleaseIndex *>(index_));
1573     if (dindex == NULL)
1574         return nil;
1575
1576     FileFd fd;
1577     if (!fd.Open(dindex->MetaIndexFile("Release"), FileFd::ReadOnly)) {
1578          _error->Discard();
1579          return nil;
1580     }
1581
1582     pkgTagFile tags(&fd);
1583
1584     pkgTagSection section;
1585     tags.Step(section);
1586
1587     const char *start, *end;
1588     if (!section.Find([name UTF8String], start, end))
1589         return (NSString *) [NSNull null];
1590
1591     return [NSString stringWithString:[(NSString *) CYStringCreate(start, end - start) autorelease]];
1592 } }
1593
1594 - (NSComparisonResult) compareByName:(Source *)source {
1595     NSString *lhs = [self name];
1596     NSString *rhs = [source name];
1597
1598     if ([lhs length] != 0 && [rhs length] != 0) {
1599         unichar lhc = [lhs characterAtIndex:0];
1600         unichar rhc = [rhs characterAtIndex:0];
1601
1602         if (isalpha(lhc) && !isalpha(rhc))
1603             return NSOrderedAscending;
1604         else if (!isalpha(lhc) && isalpha(rhc))
1605             return NSOrderedDescending;
1606     }
1607
1608     return [lhs compare:rhs options:LaxCompareOptions_];
1609 }
1610
1611 - (NSString *) depictionForPackage:(NSString *)package {
1612     return depiction_.empty() ? nil : [static_cast<id>(depiction_) stringByReplacingOccurrencesOfString:@"*" withString:package];
1613 }
1614
1615 - (NSString *) supportForPackage:(NSString *)package {
1616     return support_.empty() ? nil : [static_cast<id>(support_) stringByReplacingOccurrencesOfString:@"*" withString:package];
1617 }
1618
1619 - (NSArray *) sections {
1620     return record_ == nil ? (id) [NSNull null] : [record_ objectForKey:@"Sections"] ?: [NSArray array];
1621 }
1622
1623 - (void) _addSection:(NSString *)section {
1624     if (record_ == nil)
1625         return;
1626     else if (NSMutableArray *sections = [record_ objectForKey:@"Sections"]) {
1627         if (![sections containsObject:section])
1628             [sections addObject:section];
1629     } else
1630         [record_ setObject:[NSMutableArray arrayWithObject:section] forKey:@"Sections"];
1631 }
1632
1633 - (bool) addSection:(NSString *)section {
1634     if (record_ == nil)
1635         return false;
1636
1637     [self performSelectorOnMainThread:@selector(_addSection:) withObject:section waitUntilDone:NO];
1638     return true;
1639 }
1640
1641 - (void) _removeSection:(NSString *)section {
1642     if (record_ == nil)
1643         return;
1644
1645     if (NSMutableArray *sections = [record_ objectForKey:@"Sections"])
1646         if ([sections containsObject:section])
1647             [sections removeObject:section];
1648 }
1649
1650 - (bool) removeSection:(NSString *)section {
1651     if (record_ == nil)
1652         return false;
1653
1654     [self performSelectorOnMainThread:@selector(_removeSection:) withObject:section waitUntilDone:NO];
1655     return true;
1656 }
1657
1658 - (void) _remove {
1659     [Sources_ removeObjectForKey:[self key]];
1660 }
1661
1662 - (bool) remove {
1663     bool value(record_ != nil);
1664     [self performSelectorOnMainThread:@selector(_remove) withObject:nil waitUntilDone:NO];
1665     return value;
1666 }
1667
1668 - (NSDictionary *) record {
1669     return record_;
1670 }
1671
1672 - (BOOL) trusted {
1673     return trusted_;
1674 }
1675
1676 - (NSString *) rooturi {
1677     return uri_;
1678 }
1679
1680 - (NSString *) distribution {
1681     return distribution_;
1682 }
1683
1684 - (NSString *) type {
1685     return type_;
1686 }
1687
1688 - (NSString *) baseuri {
1689     return base_.empty() ? nil : (id) base_;
1690 }
1691
1692 - (NSString *) iconuri {
1693     if (NSString *base = [self baseuri])
1694         return [base stringByAppendingString:@"CydiaIcon.png"];
1695
1696     return nil;
1697 }
1698
1699 - (NSURL *) iconURL {
1700     if (NSString *uri = [self iconuri])
1701         return [NSURL URLWithString:uri];
1702     return nil;
1703 }
1704
1705 - (NSString *) key {
1706     return [NSString stringWithFormat:@"%@:%@:%@", (NSString *) type_, (NSString *) uri_, (NSString *) distribution_];
1707 }
1708
1709 - (NSString *) host {
1710     return host_;
1711 }
1712
1713 - (NSString *) name {
1714     return origin_.empty() ? (id) authority_ : origin_;
1715 }
1716
1717 - (NSString *) shortDescription {
1718     return description_;
1719 }
1720
1721 - (NSString *) label {
1722     return label_.empty() ? (id) authority_ : label_;
1723 }
1724
1725 - (NSString *) origin {
1726     return origin_;
1727 }
1728
1729 - (NSString *) version {
1730     return version_;
1731 }
1732
1733 - (NSString *) defaultIcon {
1734     return defaultIcon_;
1735 }
1736
1737 - (void) setDelegate:(NSObject<SourceDelegate> *)delegate {
1738     delegate_ = delegate;
1739 }
1740
1741 - (bool) fetch {
1742     return !fetches_.empty();
1743 }
1744
1745 - (void) setFetch:(bool)fetch forURI:(const char *)uri {
1746     if (!fetch) {
1747         if (fetches_.erase(uri) == 0)
1748             return;
1749     } else if (files_.find(uri) == files_.end())
1750         return;
1751     else if (!fetches_.insert(uri).second)
1752         return;
1753
1754     [delegate_ performSelectorOnMainThread:@selector(setFetch:) withObject:[NSNumber numberWithBool:[self fetch]] waitUntilDone:NO];
1755 }
1756
1757 - (void) resetFetch {
1758     fetches_.clear();
1759     [delegate_ performSelectorOnMainThread:@selector(setFetch:) withObject:[NSNumber numberWithBool:NO] waitUntilDone:NO];
1760 }
1761
1762 @end
1763 /* }}} */
1764 /* CydiaOperation Class {{{ */
1765 @interface CydiaOperation : NSObject {
1766     _H<NSString> operator_;
1767     _H<NSString> value_;
1768 }
1769
1770 - (NSString *) operator;
1771 - (NSString *) value;
1772
1773 @end
1774
1775 @implementation CydiaOperation
1776
1777 - (id) initWithOperator:(const char *)_operator value:(const char *)value {
1778     if ((self = [super init]) != nil) {
1779         operator_ = [NSString stringWithUTF8String:_operator];
1780         value_ = [NSString stringWithUTF8String:value];
1781     } return self;
1782 }
1783
1784 + (NSArray *) _attributeKeys {
1785     return [NSArray arrayWithObjects:
1786         @"operator",
1787         @"value",
1788     nil];
1789 }
1790
1791 - (NSArray *) attributeKeys {
1792     return [[self class] _attributeKeys];
1793 }
1794
1795 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1796     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1797 }
1798
1799 - (NSString *) operator {
1800     return operator_;
1801 }
1802
1803 - (NSString *) value {
1804     return value_;
1805 }
1806
1807 @end
1808 /* }}} */
1809 /* CydiaClause Class {{{ */
1810 @interface CydiaClause : NSObject {
1811     _H<NSString> package_;
1812     _H<CydiaOperation> version_;
1813 }
1814
1815 - (NSString *) package;
1816 - (CydiaOperation *) version;
1817
1818 @end
1819
1820 @implementation CydiaClause
1821
1822 - (id) initWithIterator:(pkgCache::DepIterator &)dep {
1823     if ((self = [super init]) != nil) {
1824         package_ = [NSString stringWithUTF8String:dep.TargetPkg().Name()];
1825
1826         if (const char *version = dep.TargetVer())
1827             version_ = [[[CydiaOperation alloc] initWithOperator:dep.CompType() value:version] autorelease];
1828         else
1829             version_ = (id) [NSNull null];
1830     } return self;
1831 }
1832
1833 + (NSArray *) _attributeKeys {
1834     return [NSArray arrayWithObjects:
1835         @"package",
1836         @"version",
1837     nil];
1838 }
1839
1840 - (NSArray *) attributeKeys {
1841     return [[self class] _attributeKeys];
1842 }
1843
1844 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1845     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1846 }
1847
1848 - (NSString *) package {
1849     return package_;
1850 }
1851
1852 - (CydiaOperation *) version {
1853     return version_;
1854 }
1855
1856 @end
1857 /* }}} */
1858 /* CydiaRelation Class {{{ */
1859 @interface CydiaRelation : NSObject {
1860     _H<NSString> relationship_;
1861     _H<NSMutableArray> clauses_;
1862 }
1863
1864 - (NSString *) relationship;
1865 - (NSArray *) clauses;
1866
1867 @end
1868
1869 @implementation CydiaRelation
1870
1871 - (id) initWithIterator:(pkgCache::DepIterator &)dep {
1872     if ((self = [super init]) != nil) {
1873         relationship_ = [NSString stringWithUTF8String:dep.DepType()];
1874         clauses_ = [NSMutableArray arrayWithCapacity:8];
1875
1876         pkgCache::DepIterator start;
1877         pkgCache::DepIterator end;
1878         dep.GlobOr(start, end); // ++dep
1879
1880         _forever {
1881             [clauses_ addObject:[[[CydiaClause alloc] initWithIterator:start] autorelease]];
1882
1883             // yes, seriously. (wtf?)
1884             if (start == end)
1885                 break;
1886             ++start;
1887         }
1888     } return self;
1889 }
1890
1891 + (NSArray *) _attributeKeys {
1892     return [NSArray arrayWithObjects:
1893         @"clauses",
1894         @"relationship",
1895     nil];
1896 }
1897
1898 - (NSArray *) attributeKeys {
1899     return [[self class] _attributeKeys];
1900 }
1901
1902 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1903     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1904 }
1905
1906 - (NSString *) relationship {
1907     return relationship_;
1908 }
1909
1910 - (NSArray *) clauses {
1911     return clauses_;
1912 }
1913
1914 - (void) addClause:(CydiaClause *)clause {
1915     [clauses_ addObject:clause];
1916 }
1917
1918 @end
1919 /* }}} */
1920 /* Package Class {{{ */
1921 struct ParsedPackage {
1922     CYString md5sum_;
1923     CYString tagline_;
1924
1925     CYString architecture_;
1926     CYString icon_;
1927
1928     CYString depiction_;
1929     CYString homepage_;
1930     CYString author_;
1931
1932     CYString support_;
1933 };
1934
1935 @interface Package : NSObject {
1936     uint32_t era_ : 25;
1937     @public uint32_t role_ : 3;
1938     uint32_t essential_ : 1;
1939     uint32_t obsolete_ : 1;
1940     uint32_t ignored_ : 1;
1941     uint32_t pooled_ : 1;
1942
1943     CYPool *pool_;
1944
1945     uint32_t rank_;
1946
1947     _transient Database *database_;
1948
1949     pkgCache::VerIterator version_;
1950     pkgCache::PkgIterator iterator_;
1951     pkgCache::VerFileIterator file_;
1952
1953     CYString id_;
1954     CYString name_;
1955     CYString transform_;
1956
1957     CYString latest_;
1958     CYString installed_;
1959     time_t upgraded_;
1960
1961     const char *section_;
1962     _transient NSString *section$_;
1963
1964     _H<Source> source_;
1965
1966     PackageValue *metadata_;
1967     ParsedPackage *parsed_;
1968
1969     _H<NSMutableArray> tags_;
1970 }
1971
1972 - (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(CYPool *)pool database:(Database *)database;
1973 + (Package *) newPackageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(CYPool *)pool database:(Database *)database;
1974
1975 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(CYPool *)pool database:(Database *)database;
1976
1977 - (pkgCache::PkgIterator) iterator;
1978 - (void) parse;
1979
1980 - (NSString *) section;
1981 - (NSString *) simpleSection;
1982
1983 - (NSString *) longSection;
1984 - (NSString *) shortSection;
1985
1986 - (NSString *) uri;
1987
1988 - (MIMEAddress *) maintainer;
1989 - (size_t) size;
1990 - (NSString *) longDescription;
1991 - (NSString *) shortDescription;
1992 - (unichar) index;
1993
1994 - (PackageValue *) metadata;
1995 - (time_t) seen;
1996
1997 - (bool) subscribed;
1998 - (bool) setSubscribed:(bool)subscribed;
1999
2000 - (BOOL) ignored;
2001
2002 - (NSString *) latest;
2003 - (NSString *) installed;
2004 - (BOOL) uninstalled;
2005
2006 - (BOOL) upgradableAndEssential:(BOOL)essential;
2007 - (BOOL) essential;
2008 - (BOOL) broken;
2009 - (BOOL) unfiltered;
2010 - (BOOL) visible;
2011
2012 - (BOOL) half;
2013 - (BOOL) halfConfigured;
2014 - (BOOL) halfInstalled;
2015 - (BOOL) hasMode;
2016 - (NSString *) mode;
2017
2018 - (NSString *) id;
2019 - (NSString *) name;
2020 - (UIImage *) icon;
2021 - (NSString *) homepage;
2022 - (NSString *) depiction;
2023 - (MIMEAddress *) author;
2024
2025 - (NSString *) support;
2026
2027 - (NSArray *) files;
2028 - (NSArray *) warnings;
2029 - (NSArray *) applications;
2030
2031 - (Source *) source;
2032
2033 - (uint32_t) rank;
2034 - (BOOL) matches:(NSArray *)query;
2035
2036 - (BOOL) hasTag:(NSString *)tag;
2037 - (NSString *) primaryPurpose;
2038 - (NSArray *) purposes;
2039 - (bool) isCommercial;
2040
2041 - (void) setIndex:(size_t)index;
2042
2043 - (CYString &) cyname;
2044
2045 - (uint32_t) compareBySection:(NSArray *)sections;
2046
2047 - (void) install;
2048 - (void) remove;
2049
2050 @end
2051
2052 uint32_t PackageChangesRadix(Package *self, void *) {
2053     union {
2054         uint32_t key;
2055
2056         struct {
2057             uint32_t timestamp : 30;
2058             uint32_t ignored : 1;
2059             uint32_t upgradable : 1;
2060         } bits;
2061     } value;
2062
2063     bool upgradable([self upgradableAndEssential:YES]);
2064     value.bits.upgradable = upgradable ? 1 : 0;
2065
2066     if (upgradable) {
2067         value.bits.timestamp = 0;
2068         value.bits.ignored = [self ignored] ? 0 : 1;
2069         value.bits.upgradable = 1;
2070     } else {
2071         value.bits.timestamp = [self seen] >> 2;
2072         value.bits.ignored = 0;
2073         value.bits.upgradable = 0;
2074     }
2075
2076     return _not(uint32_t) - value.key;
2077 }
2078
2079 CYString &(*PackageName)(Package *self, SEL sel);
2080
2081 uint32_t PackagePrefixRadix(Package *self, void *context) {
2082     size_t offset(reinterpret_cast<size_t>(context));
2083     CYString &name(PackageName(self, @selector(cyname)));
2084
2085     size_t size(name.size());
2086     if (size == 0)
2087         return 0;
2088     char *text(name.data());
2089
2090     size_t zeros;
2091     if (!isdigit(text[0]))
2092         zeros = 0;
2093     else {
2094         size_t digits(1);
2095         while (size != digits && isdigit(text[digits]))
2096             if (++digits == 4)
2097                 break;
2098         zeros = 4 - digits;
2099     }
2100
2101     uint8_t data[4];
2102
2103     if (offset == 0 && zeros != 0) {
2104         memset(data, '0', zeros);
2105         memcpy(data + zeros, text, 4 - zeros);
2106     } else {
2107         /* XXX: there's some danger here if you request a non-zero offset < 4 and it gets zero padded */
2108         if (size <= offset - zeros)
2109             return 0;
2110
2111         text += offset - zeros;
2112         size -= offset - zeros;
2113
2114         if (size >= 4)
2115             memcpy(data, text, 4);
2116         else {
2117             memcpy(data, text, size);
2118             memset(data + size, 0, 4 - size);
2119         }
2120
2121         for (size_t i(0); i != 4; ++i)
2122             if (isalpha(data[i]))
2123                 data[i] |= 0x20;
2124     }
2125
2126     if (offset == 0)
2127         if (data[0] == '@')
2128             data[0] = 0x7f;
2129         else
2130             data[0] = (data[0] & 0x1f) | "\x80\x00\xc0\x40"[data[0] >> 6];
2131
2132     /* XXX: ntohl may be more honest */
2133     return OSSwapInt32(*reinterpret_cast<uint32_t *>(data));
2134 }
2135
2136 CFComparisonResult StringNameCompare(CFStringRef lhn, CFStringRef rhn, size_t length) {
2137     _profile(PackageNameCompare)
2138         if (lhn == NULL)
2139             return rhn == NULL ? kCFCompareEqualTo : kCFCompareLessThan;
2140         else if (rhn == NULL)
2141             return kCFCompareGreaterThan;
2142
2143         CFIndex length(CFStringGetLength(lhn));
2144
2145         _profile(PackageNameCompare$NumbersLast)
2146             if (length != 0 && CFStringGetLength(rhn) != 0) {
2147                 UniChar lhc(CFStringGetCharacterAtIndex(lhn, 0));
2148                 UniChar rhc(CFStringGetCharacterAtIndex(rhn, 0));
2149                 bool lha(CFUniCharIsMemberOf(lhc, kCFUniCharLetterCharacterSet));
2150                 if (lha != CFUniCharIsMemberOf(rhc, kCFUniCharLetterCharacterSet))
2151                     return lha ? kCFCompareLessThan : kCFCompareGreaterThan;
2152             }
2153         _end
2154
2155         _profile(PackageNameCompare$Compare)
2156             return CFStringCompareWithOptionsAndLocale(lhn, rhn, CFRangeMake(0, length), LaxCompareFlags_, (CFLocaleRef) (id) CollationLocale_);
2157         _end
2158     _end
2159 }
2160
2161 _finline CFComparisonResult StringNameCompare(NSString *lhn, NSString*rhn, size_t length) {
2162     return StringNameCompare((CFStringRef) lhn, (CFStringRef) rhn, length);
2163 }
2164
2165 CFComparisonResult PackageNameCompare(Package *lhs, Package *rhs, void *arg) {
2166     CYString &lhn(PackageName(lhs, @selector(cyname)));
2167     NSString *rhn(PackageName(rhs, @selector(cyname)));
2168     return StringNameCompare(lhn, rhn, lhn.size());
2169 }
2170
2171 CFComparisonResult PackageNameCompare_(Package **lhs, Package **rhs, void *arg) {
2172     return PackageNameCompare(*lhs, *rhs, arg);
2173 }
2174
2175 struct PackageNameOrdering :
2176     std::binary_function<Package *, Package *, bool>
2177 {
2178     _finline bool operator ()(Package *lhs, Package *rhs) const {
2179         return PackageNameCompare(lhs, rhs, NULL) == kCFCompareLessThan;
2180     }
2181 };
2182
2183 @implementation Package
2184
2185 - (NSString *) description {
2186     return [NSString stringWithFormat:@"<Package:%@>", static_cast<NSString *>(name_)];
2187 }
2188
2189 - (void) dealloc {
2190     if (!pooled_)
2191         delete pool_;
2192     if (parsed_ != NULL)
2193         delete parsed_;
2194     [super dealloc];
2195 }
2196
2197 + (NSString *) webScriptNameForSelector:(SEL)selector {
2198     if (false);
2199     else if (selector == @selector(clear))
2200         return @"clear";
2201     else if (selector == @selector(getField:))
2202         return @"getField";
2203     else if (selector == @selector(getRecord))
2204         return @"getRecord";
2205     else if (selector == @selector(hasTag:))
2206         return @"hasTag";
2207     else if (selector == @selector(install))
2208         return @"install";
2209     else if (selector == @selector(remove))
2210         return @"remove";
2211     else
2212         return nil;
2213 }
2214
2215 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
2216     return [self webScriptNameForSelector:selector] == nil;
2217 }
2218
2219 + (NSArray *) _attributeKeys {
2220     return [NSArray arrayWithObjects:
2221         @"applications",
2222         @"architecture",
2223         @"author",
2224         @"depiction",
2225         @"essential",
2226         @"homepage",
2227         @"icon",
2228         @"id",
2229         @"installed",
2230         @"latest",
2231         @"longDescription",
2232         @"longSection",
2233         @"maintainer",
2234         @"md5sum",
2235         @"mode",
2236         @"name",
2237         @"purposes",
2238         @"relations",
2239         @"section",
2240         @"selection",
2241         @"shortDescription",
2242         @"shortSection",
2243         @"simpleSection",
2244         @"size",
2245         @"source",
2246         @"state",
2247         @"support",
2248         @"tags",
2249         @"upgraded",
2250         @"warnings",
2251     nil];
2252 }
2253
2254 - (NSArray *) attributeKeys {
2255     return [[self class] _attributeKeys];
2256 }
2257
2258 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
2259     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
2260 }
2261
2262 - (NSArray *) relations {
2263 @synchronized (database_) {
2264     NSMutableArray *relations([NSMutableArray arrayWithCapacity:16]);
2265     for (pkgCache::DepIterator dep(version_.DependsList()); !dep.end(); ++dep)
2266         [relations addObject:[[[CydiaRelation alloc] initWithIterator:dep] autorelease]];
2267     return relations;
2268 } }
2269
2270 - (NSString *) architecture {
2271     [self parse];
2272 @synchronized (database_) {
2273     return parsed_->architecture_.empty() ? [NSNull null] : (id) parsed_->architecture_;
2274 } }
2275
2276 - (NSString *) getField:(NSString *)name {
2277 @synchronized (database_) {
2278     if ([database_ era] != era_ || file_.end())
2279         return nil;
2280
2281     pkgRecords::Parser &parser([database_ records]->Lookup(file_));
2282
2283     const char *start, *end;
2284     if (!parser.Find([name UTF8String], start, end))
2285         return (NSString *) [NSNull null];
2286
2287     return [NSString stringWithString:[(NSString *) CYStringCreate(start, end - start) autorelease]];
2288 } }
2289
2290 - (NSString *) getRecord {
2291 @synchronized (database_) {
2292     if ([database_ era] != era_ || file_.end())
2293         return nil;
2294
2295     pkgRecords::Parser &parser([database_ records]->Lookup(file_));
2296
2297     const char *start, *end;
2298     parser.GetRec(start, end);
2299
2300     return [NSString stringWithString:[(NSString *) CYStringCreate(start, end - start) autorelease]];
2301 } }
2302
2303 - (void) parse {
2304     if (parsed_ != NULL)
2305         return;
2306 @synchronized (database_) {
2307     if ([database_ era] != era_ || file_.end())
2308         return;
2309
2310     ParsedPackage *parsed(new ParsedPackage);
2311     parsed_ = parsed;
2312
2313     _profile(Package$parse)
2314         pkgRecords::Parser *parser;
2315
2316         _profile(Package$parse$Lookup)
2317             parser = &[database_ records]->Lookup(file_);
2318         _end
2319
2320         CYString bugs;
2321         CYString website;
2322
2323         _profile(Package$parse$Find)
2324             struct {
2325                 const char *name_;
2326                 CYString *value_;
2327             } names[] = {
2328                 {"architecture", &parsed->architecture_},
2329                 {"icon", &parsed->icon_},
2330                 {"depiction", &parsed->depiction_},
2331                 {"homepage", &parsed->homepage_},
2332                 {"website", &website},
2333                 {"bugs", &bugs},
2334                 {"support", &parsed->support_},
2335                 {"author", &parsed->author_},
2336                 {"md5sum", &parsed->md5sum_},
2337             };
2338
2339             for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i) {
2340                 const char *start, *end;
2341
2342                 if (parser->Find(names[i].name_, start, end)) {
2343                     CYString &value(*names[i].value_);
2344                     _profile(Package$parse$Value)
2345                         value.set(pool_, start, end - start);
2346                     _end
2347                 }
2348             }
2349         _end
2350
2351         _profile(Package$parse$Tagline)
2352             parsed->tagline_.set(pool_, parser->ShortDesc());
2353         _end
2354
2355         _profile(Package$parse$Retain)
2356             if (parsed->homepage_.empty())
2357                 parsed->homepage_ = website;
2358             if (parsed->homepage_ == parsed->depiction_)
2359                 parsed->homepage_.clear();
2360             if (parsed->support_.empty())
2361                 parsed->support_ = bugs;
2362         _end
2363     _end
2364 } }
2365
2366 - (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(CYPool *)pool database:(Database *)database {
2367     if ((self = [super init]) != nil) {
2368     _profile(Package$initWithVersion)
2369         if (pool == NULL)
2370             pool_ = new CYPool();
2371         else {
2372             pool_ = pool;
2373             pooled_ = true;
2374         }
2375
2376         database_ = database;
2377         era_ = [database era];
2378
2379         version_ = version;
2380
2381         pkgCache::PkgIterator iterator(version_.ParentPkg());
2382         iterator_ = iterator;
2383
2384         _profile(Package$initWithVersion$Version)
2385             file_ = version_.FileList();
2386         _end
2387
2388         _profile(Package$initWithVersion$Cache)
2389             name_.set(NULL, version_.Display());
2390
2391             latest_.set(NULL, StripVersion_(version_.VerStr()));
2392
2393             pkgCache::VerIterator current(iterator.CurrentVer());
2394             if (!current.end())
2395                 installed_.set(NULL, StripVersion_(current.VerStr()));
2396         _end
2397
2398         _profile(Package$initWithVersion$Transliterate) do {
2399             if (CollationTransl_ == NULL)
2400                 break;
2401             if (name_.empty())
2402                 break;
2403
2404             _profile(Package$initWithVersion$Transliterate$utf8)
2405             const uint8_t *data(reinterpret_cast<const uint8_t *>(name_.data()));
2406             for (size_t i(0), e(name_.size()); i != e; ++i)
2407                 if (data[i] >= 0x80)
2408                     goto extended;
2409             break; extended:;
2410             _end
2411
2412             UErrorCode code(U_ZERO_ERROR);
2413             int32_t length;
2414
2415             _profile(Package$initWithVersion$Transliterate$u_strFromUTF8WithSub)
2416             CollationString_.resize(name_.size());
2417             u_strFromUTF8WithSub(&CollationString_[0], CollationString_.size(), &length, name_.data(), name_.size(), 0xfffd, NULL, &code);
2418             if (!U_SUCCESS(code))
2419                 break;
2420             CollationString_.resize(length);
2421             _end
2422
2423             _profile(Package$initWithVersion$Transliterate$utrans_trans)
2424             length = CollationString_.size();
2425             utrans_trans(CollationTransl_, reinterpret_cast<UReplaceable *>(&CollationString_), &CollationUCalls_, 0, &length, &code);
2426             if (!U_SUCCESS(code))
2427                 break;
2428             _assert(CollationString_.size() == length);
2429             _end
2430
2431             _profile(Package$initWithVersion$Transliterate$u_strToUTF8WithSub$preflight)
2432             u_strToUTF8WithSub(NULL, 0, &length, CollationString_.data(), CollationString_.size(), 0xfffd, NULL, &code);
2433             if (code == U_BUFFER_OVERFLOW_ERROR)
2434                 code = U_ZERO_ERROR;
2435             else if (!U_SUCCESS(code))
2436                 break;
2437             _end
2438
2439             char *transform;
2440             _profile(Package$initWithVersion$Transliterate$apr_palloc)
2441             transform = pool_->malloc<char>(length);
2442             _end
2443             _profile(Package$initWithVersion$Transliterate$u_strToUTF8WithSub$transform)
2444             u_strToUTF8WithSub(transform, length, NULL, CollationString_.data(), CollationString_.size(), 0xfffd, NULL, &code);
2445             if (!U_SUCCESS(code))
2446                 break;
2447             _end
2448
2449             transform_.set(NULL, transform, length);
2450         } while (false); _end
2451
2452         _profile(Package$initWithVersion$Tags)
2453 #ifndef __arm__
2454             pkgCache::TagIterator tag(version_.TagList());
2455 #else
2456             pkgCache::TagIterator tag(iterator.TagList());
2457 #endif
2458             if (!tag.end()) {
2459                 tags_ = [NSMutableArray arrayWithCapacity:8];
2460
2461                 goto tag; for (; !tag.end(); ++tag) tag: {
2462                     const char *name(tag.Name());
2463                     NSString *string((NSString *) CYStringCreate(name));
2464                     if (string == nil)
2465                         continue;
2466
2467                     [tags_ addObject:[string autorelease]];
2468
2469                     if (role_ == 0 && strncmp(name, "role::", 6) == 0 /*&& strcmp(name, "role::leaper") != 0*/) {
2470                         if (strcmp(name + 6, "enduser") == 0)
2471                             role_ = 1;
2472                         else if (strcmp(name + 6, "hacker") == 0)
2473                             role_ = 2;
2474                         else if (strcmp(name + 6, "developer") == 0)
2475                             role_ = 3;
2476                         else if (strcmp(name + 6, "cydia") == 0)
2477                             role_ = 7;
2478                         else
2479                             role_ = 4;
2480                     }
2481
2482                     if (strncmp(name, "cydia::", 7) == 0) {
2483                         if (strcmp(name + 7, "essential") == 0)
2484                             essential_ = true;
2485                         else if (strcmp(name + 7, "obsolete") == 0)
2486                             obsolete_ = true;
2487                     }
2488                 }
2489             }
2490         _end
2491
2492         _profile(Package$initWithVersion$Metadata)
2493             const char *mixed(iterator.Name());
2494             size_t size(strlen(mixed));
2495             static const size_t prefix(sizeof("/var/lib/dpkg/info/") - 1);
2496             char lower[prefix + size + 5 + 1];
2497
2498             for (size_t i(0); i != size; ++i)
2499                 lower[prefix + i] = mixed[i] | 0x20;
2500
2501             if (!installed_.empty()) {
2502                 memcpy(lower, "/var/lib/dpkg/info/", prefix);
2503                 memcpy(lower + prefix + size, ".list", 6);
2504                 struct stat info;
2505                 if (stat(lower, &info) != -1)
2506                     upgraded_ = info.st_birthtime;
2507             }
2508
2509             PackageValue *metadata(PackageFind(lower + prefix, size));
2510             metadata_ = metadata;
2511
2512             id_.set(NULL, metadata->name_, size);
2513
2514             const char *latest(version_.VerStr());
2515             size_t length(strlen(latest));
2516
2517             uint16_t vhash(hashlittle(latest, length));
2518
2519             size_t capped(std::min<size_t>(8, length));
2520             latest = latest + length - capped;
2521
2522             if (metadata->first_ == 0)
2523                 metadata->first_ = now_;
2524
2525             if (metadata->vhash_ != vhash || strncmp(metadata->version_, latest, sizeof(metadata->version_)) != 0) {
2526                 strncpy(metadata->version_, latest, sizeof(metadata->version_));
2527                 metadata->vhash_ = vhash;
2528                 metadata->last_ = now_;
2529             } else if (metadata->last_ == 0)
2530                 metadata->last_ = metadata->first_;
2531         _end
2532
2533         _profile(Package$initWithVersion$Section)
2534             section_ = version_.Section();
2535         _end
2536
2537         _profile(Package$initWithVersion$Flags)
2538             essential_ |= ((iterator->Flags & pkgCache::Flag::Essential) == 0 ? NO : YES);
2539             ignored_ = iterator->SelectedState == pkgCache::State::Hold;
2540         _end
2541     _end } return self;
2542 }
2543
2544 + (Package *) newPackageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(CYPool *)pool database:(Database *)database {
2545     pkgCache::VerIterator version;
2546
2547     _profile(Package$packageWithIterator$GetCandidateVer)
2548         version = [database policy]->GetCandidateVer(iterator);
2549     _end
2550
2551     if (version.end())
2552         return nil;
2553
2554     Package *package;
2555
2556     _profile(Package$packageWithIterator$Allocate)
2557         package = [Package allocWithZone:zone];
2558     _end
2559
2560     _profile(Package$packageWithIterator$Initialize)
2561         package = [package
2562             initWithVersion:version
2563             withZone:zone
2564             inPool:pool
2565             database:database
2566         ];
2567     _end
2568
2569     return package;
2570 }
2571
2572 // XXX: just in case a Cydia extension is using this (I bet this is unlikely, though, due to CYPool?)
2573 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(CYPool *)pool database:(Database *)database {
2574     return [[self newPackageWithIterator:iterator withZone:zone inPool:pool database:database] autorelease];
2575 }
2576
2577 - (pkgCache::PkgIterator) iterator {
2578     return iterator_;
2579 }
2580
2581 - (NSArray *) downgrades {
2582     NSMutableArray *versions([NSMutableArray arrayWithCapacity:4]);
2583
2584     for (auto version(iterator_.VersionList()); !version.end(); ++version) {
2585         if (version == version_)
2586             continue;
2587         Package *package([[[Package allocWithZone:NULL] initWithVersion:version withZone:NULL inPool:NULL database:database_] autorelease]);
2588         if ([package source] == nil)
2589             continue;
2590         [versions addObject:package];
2591     }
2592
2593     return versions;
2594 }
2595
2596 - (NSString *) section {
2597     if (section$_ == nil) {
2598         if (section_ == NULL)
2599             return nil;
2600
2601         _profile(Package$section$mappedSectionForPointer)
2602             section$_ = [database_ mappedSectionForPointer:section_];
2603         _end
2604     } return section$_;
2605 }
2606
2607 - (NSString *) simpleSection {
2608     if (NSString *section = [self section])
2609         return Simplify(section);
2610     else
2611         return nil;
2612 }
2613
2614 - (NSString *) longSection {
2615     if (NSString *section = [self section])
2616         return LocalizeSection(section);
2617     else
2618         return nil;
2619 }
2620
2621 - (NSString *) shortSection {
2622     return [[NSBundle mainBundle] localizedStringForKey:[self simpleSection] value:nil table:@"Sections"];
2623 }
2624
2625 - (NSString *) uri {
2626     return nil;
2627 #if 0
2628     pkgIndexFile *index;
2629     pkgCache::PkgFileIterator file(file_.File());
2630     if (![database_ list].FindIndex(file, index))
2631         return nil;
2632     return [NSString stringWithUTF8String:iterator_->Path];
2633     //return [NSString stringWithUTF8String:file.Site()];
2634     //return [NSString stringWithUTF8String:index->ArchiveURI(file.FileName()).c_str()];
2635 #endif
2636 }
2637
2638 - (MIMEAddress *) maintainer {
2639 @synchronized (database_) {
2640     if ([database_ era] != era_ || file_.end())
2641         return nil;
2642
2643     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
2644     const std::string &maintainer(parser->Maintainer());
2645     return maintainer.empty() ? nil : [MIMEAddress addressWithString:[NSString stringWithUTF8String:maintainer.c_str()]];
2646 } }
2647
2648 - (NSString *) md5sum {
2649     return parsed_ == NULL ? nil : (id) parsed_->md5sum_;
2650 }
2651
2652 - (size_t) size {
2653 @synchronized (database_) {
2654     if ([database_ era] != era_ || version_.end())
2655         return 0;
2656
2657     return version_->InstalledSize;
2658 } }
2659
2660 - (NSString *) longDescription {
2661 @synchronized (database_) {
2662     if ([database_ era] != era_ || file_.end())
2663         return nil;
2664
2665     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
2666     NSString *description([NSString stringWithUTF8String:parser->LongDesc().c_str()]);
2667
2668     NSArray *lines = [description componentsSeparatedByString:@"\n"];
2669     NSMutableArray *trimmed = [NSMutableArray arrayWithCapacity:([lines count] - 1)];
2670     if ([lines count] < 2)
2671         return nil;
2672
2673     NSCharacterSet *whitespace = [NSCharacterSet whitespaceCharacterSet];
2674     for (size_t i(1), e([lines count]); i != e; ++i) {
2675         NSString *trim = [[lines objectAtIndex:i] stringByTrimmingCharactersInSet:whitespace];
2676         [trimmed addObject:trim];
2677     }
2678
2679     return [trimmed componentsJoinedByString:@"\n"];
2680 } }
2681
2682 - (NSString *) shortDescription {
2683     if (parsed_ != NULL)
2684         return static_cast<NSString *>(parsed_->tagline_);
2685
2686 @synchronized (database_) {
2687     pkgRecords::Parser &parser([database_ records]->Lookup(file_));
2688     std::string value(parser.ShortDesc());
2689     if (value.empty())
2690         return nil;
2691     if (value.size() > 200)
2692         value.resize(200);
2693     return [(id) CYStringCreate(value) autorelease];
2694 } }
2695
2696 - (unichar) index {
2697     _profile(Package$index)
2698         CFStringRef name((CFStringRef) [self name]);
2699         if (CFStringGetLength(name) == 0)
2700             return '#';
2701         UniChar character(CFStringGetCharacterAtIndex(name, 0));
2702         if (!CFUniCharIsMemberOf(character, kCFUniCharLetterCharacterSet))
2703             return '#';
2704         return toupper(character);
2705     _end
2706 }
2707
2708 - (PackageValue *) metadata {
2709     return metadata_;
2710 }
2711
2712 - (time_t) seen {
2713     PackageValue *metadata([self metadata]);
2714     return metadata->subscribed_ ? metadata->last_ : metadata->first_;
2715 }
2716
2717 - (bool) subscribed {
2718     return [self metadata]->subscribed_;
2719 }
2720
2721 - (bool) setSubscribed:(bool)subscribed {
2722     PackageValue *metadata([self metadata]);
2723     if (metadata->subscribed_ == subscribed)
2724         return false;
2725     metadata->subscribed_ = subscribed;
2726     return true;
2727 }
2728
2729 - (BOOL) ignored {
2730     return ignored_;
2731 }
2732
2733 - (NSString *) latest {
2734     return latest_;
2735 }
2736
2737 - (NSString *) installed {
2738     return installed_;
2739 }
2740
2741 - (BOOL) uninstalled {
2742     return installed_.empty();
2743 }
2744
2745 - (BOOL) upgradableAndEssential:(BOOL)essential {
2746     _profile(Package$upgradableAndEssential)
2747         pkgCache::VerIterator current(iterator_.CurrentVer());
2748         if (current.end())
2749             return essential && essential_;
2750         else
2751             return version_ != current;
2752     _end
2753 }
2754
2755 - (BOOL) essential {
2756     return essential_;
2757 }
2758
2759 - (BOOL) broken {
2760     return [database_ cache][iterator_].InstBroken();
2761 }
2762
2763 - (BOOL) unfiltered {
2764     _profile(Package$unfiltered$obsolete)
2765         if (_unlikely(obsolete_))
2766             return false;
2767     _end
2768
2769     _profile(Package$unfiltered$role)
2770         if (_unlikely(role_ > 3))
2771             return false;
2772     _end
2773
2774     return true;
2775 }
2776
2777 - (BOOL) visible {
2778     if (![self unfiltered])
2779         return false;
2780
2781     NSString *section;
2782
2783     _profile(Package$visible$section)
2784         section = [self section];
2785     _end
2786
2787     _profile(Package$visible$isSectionVisible)
2788         if (!isSectionVisible(section))
2789             return false;
2790     _end
2791
2792     return true;
2793 }
2794
2795 - (BOOL) half {
2796     unsigned char current(iterator_->CurrentState);
2797     return current == pkgCache::State::HalfConfigured || current == pkgCache::State::HalfInstalled;
2798 }
2799
2800 - (BOOL) halfConfigured {
2801     return iterator_->CurrentState == pkgCache::State::HalfConfigured;
2802 }
2803
2804 - (BOOL) halfInstalled {
2805     return iterator_->CurrentState == pkgCache::State::HalfInstalled;
2806 }
2807
2808 - (BOOL) hasMode {
2809 @synchronized (database_) {
2810     if ([database_ era] != era_ || iterator_.end())
2811         return NO;
2812
2813     pkgDepCache::StateCache &state([database_ cache][iterator_]);
2814     return state.Mode != pkgDepCache::ModeKeep;
2815 } }
2816
2817 - (NSString *) mode {
2818 @synchronized (database_) {
2819     if ([database_ era] != era_ || iterator_.end())
2820         return nil;
2821
2822     pkgDepCache::StateCache &state([database_ cache][iterator_]);
2823
2824     switch (state.Mode) {
2825         case pkgDepCache::ModeDelete:
2826             if ((state.iFlags & pkgDepCache::Purge) != 0)
2827                 return @"PURGE";
2828             else
2829                 return @"REMOVE";
2830         case pkgDepCache::ModeKeep:
2831             if ((state.iFlags & pkgDepCache::ReInstall) != 0)
2832                 return @"REINSTALL";
2833             /*else if ((state.iFlags & pkgDepCache::AutoKept) != 0)
2834                 return nil;*/
2835             else
2836                 return nil;
2837         case pkgDepCache::ModeInstall:
2838             /*if ((state.iFlags & pkgDepCache::ReInstall) != 0)
2839                 return @"REINSTALL";
2840             else*/ switch (state.Status) {
2841                 case -1:
2842                     return @"DOWNGRADE";
2843                 case 0:
2844                     return @"INSTALL";
2845                 case 1:
2846                     return @"UPGRADE";
2847                 case 2:
2848                     return @"NEW_INSTALL";
2849                 _nodefault
2850             }
2851         _nodefault
2852     }
2853 } }
2854
2855 - (NSString *) id {
2856     return id_;
2857 }
2858
2859 - (NSString *) name {
2860     return name_.empty() ? id_ : name_;
2861 }
2862
2863 - (UIImage *) icon {
2864     NSString *section = [self simpleSection];
2865
2866     UIImage *icon(nil);
2867     if (parsed_ != NULL)
2868         if (NSString *href = parsed_->icon_)
2869             if ([href hasPrefix:@"file:///"])
2870                 icon = [UIImage imageAtPath:[[href substringFromIndex:7] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
2871     if (icon == nil) if (section != nil)
2872         icon = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, [section stringByReplacingOccurrencesOfString:@" " withString:@"_"]]];
2873     if (icon == nil) if (Source *source = [self source]) if (NSString *dicon = [source defaultIcon])
2874         if ([dicon hasPrefix:@"file:///"])
2875             icon = [UIImage imageAtPath:[[dicon substringFromIndex:7] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
2876     if (icon == nil)
2877         icon = [UIImage imageNamed:@"unknown.png"];
2878     return icon;
2879 }
2880
2881 - (NSString *) homepage {
2882     return parsed_ == NULL ? nil : static_cast<NSString *>(parsed_->homepage_);
2883 }
2884
2885 - (NSString *) depiction {
2886     return parsed_ != NULL && !parsed_->depiction_.empty() ? parsed_->depiction_ : [[self source] depictionForPackage:id_];
2887 }
2888
2889 - (MIMEAddress *) author {
2890     return parsed_ == NULL || parsed_->author_.empty() ? nil : [MIMEAddress addressWithString:parsed_->author_];
2891 }
2892
2893 - (NSString *) support {
2894     return parsed_ != NULL && !parsed_->support_.empty() ? parsed_->support_ : [[self source] supportForPackage:id_];
2895 }
2896
2897 - (NSArray *) files {
2898     NSString *path = [NSString stringWithFormat:@"/var/lib/dpkg/info/%@.list", static_cast<NSString *>(id_)];
2899     NSMutableArray *files = [NSMutableArray arrayWithCapacity:128];
2900
2901     std::ifstream fin;
2902     fin.open([path UTF8String]);
2903     if (!fin.is_open())
2904         return nil;
2905
2906     std::string line;
2907     while (std::getline(fin, line))
2908         [files addObject:[NSString stringWithUTF8String:line.c_str()]];
2909
2910     return files;
2911 }
2912
2913 - (NSString *) state {
2914 @synchronized (database_) {
2915     if ([database_ era] != era_ || file_.end())
2916         return nil;
2917
2918     switch (iterator_->CurrentState) {
2919         case pkgCache::State::NotInstalled:
2920             return @"NotInstalled";
2921         case pkgCache::State::UnPacked:
2922             return @"UnPacked";
2923         case pkgCache::State::HalfConfigured:
2924             return @"HalfConfigured";
2925         case pkgCache::State::HalfInstalled:
2926             return @"HalfInstalled";
2927         case pkgCache::State::ConfigFiles:
2928             return @"ConfigFiles";
2929         case pkgCache::State::Installed:
2930             return @"Installed";
2931         case pkgCache::State::TriggersAwaited:
2932             return @"TriggersAwaited";
2933         case pkgCache::State::TriggersPending:
2934             return @"TriggersPending";
2935     }
2936
2937     return (NSString *) [NSNull null];
2938 } }
2939
2940 - (NSString *) selection {
2941 @synchronized (database_) {
2942     if ([database_ era] != era_ || file_.end())
2943         return nil;
2944
2945     switch (iterator_->SelectedState) {
2946         case pkgCache::State::Unknown:
2947             return @"Unknown";
2948         case pkgCache::State::Install:
2949             return @"Install";
2950         case pkgCache::State::Hold:
2951             return @"Hold";
2952         case pkgCache::State::DeInstall:
2953             return @"DeInstall";
2954         case pkgCache::State::Purge:
2955             return @"Purge";
2956     }
2957
2958     return (NSString *) [NSNull null];
2959 } }
2960
2961 - (NSArray *) warnings {
2962 @synchronized (database_) {
2963     if ([database_ era] != era_ || file_.end())
2964         return nil;
2965
2966     NSMutableArray *warnings([NSMutableArray arrayWithCapacity:4]);
2967     const char *name(iterator_.Name());
2968
2969     size_t length(strlen(name));
2970     if (length < 2) invalid:
2971         [warnings addObject:UCLocalize("ILLEGAL_PACKAGE_IDENTIFIER")];
2972     else for (size_t i(0); i != length; ++i)
2973         if (
2974             /* XXX: technically this is not allowed */
2975             (name[i] < 'A' || name[i] > 'Z') &&
2976             (name[i] < 'a' || name[i] > 'z') &&
2977             (name[i] < '0' || name[i] > '9') &&
2978             (i == 0 || name[i] != '+' && name[i] != '-' && name[i] != '.')
2979         ) goto invalid;
2980
2981     if (strcmp(name, "cydia") != 0) {
2982         bool cydia = false;
2983         bool user = false;
2984         bool _private = false;
2985         bool stash = false;
2986         bool dbstash = false;
2987         bool dsstore = false;
2988
2989         bool repository = [[self section] isEqualToString:@"Repositories"];
2990
2991         if (NSArray *files = [self files])
2992             for (NSString *file in files)
2993                 if (!cydia && [file isEqualToString:@"/Applications/Cydia.app"])
2994                     cydia = true;
2995                 else if (!user && [file isEqualToString:@"/User"])
2996                     user = true;
2997                 else if (!_private && [file isEqualToString:@"/private"])
2998                     _private = true;
2999                 else if (!stash && [file isEqualToString:@"/var/stash"])
3000                     stash = true;
3001                 else if (!dbstash && [file isEqualToString:@"/var/db/stash"])
3002                     dbstash = true;
3003                 else if (!dsstore && [file hasSuffix:@"/.DS_Store"])
3004                     dsstore = true;
3005
3006         /* XXX: this is not sensitive enough. only some folders are valid. */
3007         if (cydia && !repository)
3008             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"Cydia.app"]];
3009         if (user)
3010             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/User"]];
3011         if (_private)
3012             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/private"]];
3013         if (stash)
3014             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/var/stash"]];
3015         if (dbstash)
3016             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/var/db/stash"]];
3017         if (dsstore)
3018             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @".DS_Store"]];
3019     }
3020
3021     return [warnings count] == 0 ? nil : warnings;
3022 } }
3023
3024 - (NSArray *) applications {
3025     NSString *me([[NSBundle mainBundle] bundleIdentifier]);
3026
3027     NSMutableArray *applications([NSMutableArray arrayWithCapacity:2]);
3028
3029     static RegEx application_r("/Applications/(.*)\\.app/Info.plist");
3030     if (NSArray *files = [self files])
3031         for (NSString *file in files)
3032             if (application_r(file)) {
3033                 NSDictionary *info([NSDictionary dictionaryWithContentsOfFile:file]);
3034                 if (info == nil)
3035                     continue;
3036                 NSString *id([info objectForKey:@"CFBundleIdentifier"]);
3037                 if (id == nil || [id isEqualToString:me])
3038                     continue;
3039
3040                 NSString *display([info objectForKey:@"CFBundleDisplayName"]);
3041                 if (display == nil)
3042                     display = application_r[1];
3043
3044                 NSString *bundle([file stringByDeletingLastPathComponent]);
3045                 NSString *icon([info objectForKey:@"CFBundleIconFile"]);
3046                 // XXX: maybe this should check if this is really a string, not just for length
3047                 if (icon == nil || ![icon respondsToSelector:@selector(length)] || [icon length] == 0)
3048                     icon = @"icon.png";
3049                 NSURL *url([NSURL fileURLWithPath:[bundle stringByAppendingPathComponent:icon]]);
3050
3051                 NSMutableArray *application([NSMutableArray arrayWithCapacity:2]);
3052                 [applications addObject:application];
3053
3054                 [application addObject:id];
3055                 [application addObject:display];
3056                 [application addObject:url];
3057             }
3058
3059     return [applications count] == 0 ? nil : applications;
3060 }
3061
3062 - (Source *) source {
3063     if (source_ == nil) {
3064         @synchronized (database_) {
3065             if ([database_ era] != era_ || file_.end())
3066                 source_ = (Source *) [NSNull null];
3067             else
3068                 source_ = [database_ getSource:file_.File()] ?: (Source *) [NSNull null];
3069         }
3070     }
3071
3072     return source_ == (Source *) [NSNull null] ? nil : source_;
3073 }
3074
3075 - (time_t) upgraded {
3076     return upgraded_;
3077 }
3078
3079 - (uint32_t) recent {
3080     return std::numeric_limits<uint32_t>::max() - upgraded_;
3081 }
3082
3083 - (uint32_t) rank {
3084     return rank_;
3085 }
3086
3087 - (BOOL) matches:(NSArray *)query {
3088     if (query == nil || [query count] == 0)
3089         return NO;
3090
3091     rank_ = 0;
3092
3093     NSString *string;
3094     NSRange range;
3095     NSUInteger length;
3096
3097     string = [self name];
3098     length = [string length];
3099
3100     if (length != 0)
3101     for (NSString *term in query) {
3102         range = [string rangeOfString:term options:MatchCompareOptions_];
3103         if (range.location != NSNotFound)
3104             rank_ -= 6 * 1000000 / length;
3105     }
3106
3107     if (rank_ == 0) {
3108         string = [self id];
3109         length = [string length];
3110
3111         if (length != 0)
3112         for (NSString *term in query) {
3113             range = [string rangeOfString:term options:MatchCompareOptions_];
3114             if (range.location != NSNotFound)
3115                 rank_ -= 6 * 1000000 / length;
3116         }
3117     }
3118
3119     string = [self shortDescription];
3120     length = [string length];
3121     NSUInteger stop(std::min<NSUInteger>(length, 200));
3122
3123     if (length != 0)
3124     for (NSString *term in query) {
3125         range = [string rangeOfString:term options:MatchCompareOptions_ range:NSMakeRange(0, stop)];
3126         if (range.location != NSNotFound)
3127             rank_ -= 2 * 100000;
3128     }
3129
3130     return rank_ != 0;
3131 }
3132
3133 - (NSArray *) tags {
3134     return tags_;
3135 }
3136
3137 - (BOOL) hasTag:(NSString *)tag {
3138     return tags_ == nil ? NO : [tags_ containsObject:tag];
3139 }
3140
3141 - (NSString *) primaryPurpose {
3142     for (NSString *tag in (NSArray *) tags_)
3143         if ([tag hasPrefix:@"purpose::"])
3144             return [tag substringFromIndex:9];
3145     return nil;
3146 }
3147
3148 - (NSArray *) purposes {
3149     NSMutableArray *purposes([NSMutableArray arrayWithCapacity:2]);
3150     for (NSString *tag in (NSArray *) tags_)
3151         if ([tag hasPrefix:@"purpose::"])
3152             [purposes addObject:[tag substringFromIndex:9]];
3153     return [purposes count] == 0 ? nil : purposes;
3154 }
3155
3156 - (bool) isCommercial {
3157     return [self hasTag:@"cydia::commercial"];
3158 }
3159
3160 - (void) setIndex:(size_t)index {
3161     if (metadata_->index_ != index + 1)
3162         metadata_->index_ = index + 1;
3163 }
3164
3165 - (CYString &) cyname {
3166     return !transform_.empty() ? transform_ : !name_.empty() ? name_ : id_;
3167 }
3168
3169 - (uint32_t) compareBySection:(NSArray *)sections {
3170     NSString *section([self section]);
3171     for (size_t i(0), e([sections count]); i != e; ++i) {
3172         if ([section isEqualToString:[[sections objectAtIndex:i] name]])
3173             return i;
3174     }
3175
3176     return _not(uint32_t);
3177 }
3178
3179 - (void) clear {
3180 @synchronized (database_) {
3181     if ([database_ era] != era_ || file_.end())
3182         return;
3183
3184     pkgProblemResolver *resolver = [database_ resolver];
3185     resolver->Clear(iterator_);
3186
3187     pkgCacheFile &cache([database_ cache]);
3188     cache->SetReInstall(iterator_, false);
3189     cache->MarkKeep(iterator_, false);
3190 } }
3191
3192 - (void) install {
3193 @synchronized (database_) {
3194     if ([database_ era] != era_ || file_.end())
3195         return;
3196
3197     pkgProblemResolver *resolver = [database_ resolver];
3198     resolver->Clear(iterator_);
3199     resolver->Protect(iterator_);
3200
3201     pkgCacheFile &cache([database_ cache]);
3202     cache->SetCandidateVersion(version_);
3203     cache->SetReInstall(iterator_, false);
3204     cache->MarkInstall(iterator_, false);
3205
3206     pkgDepCache::StateCache &state((*cache)[iterator_]);
3207     if (!state.Install())
3208         cache->SetReInstall(iterator_, true);
3209 } }
3210
3211 - (void) remove {
3212 @synchronized (database_) {
3213     if ([database_ era] != era_ || file_.end())
3214         return;
3215
3216     pkgProblemResolver *resolver = [database_ resolver];
3217     resolver->Clear(iterator_);
3218     resolver->Remove(iterator_);
3219     resolver->Protect(iterator_);
3220
3221     pkgCacheFile &cache([database_ cache]);
3222     cache->SetReInstall(iterator_, false);
3223     cache->MarkDelete(iterator_, true);
3224 } }
3225
3226 @end
3227 /* }}} */
3228 /* Section Class {{{ */
3229 @interface Section : NSObject {
3230     _H<NSString> name_;
3231     size_t row_;
3232     size_t count_;
3233     _H<NSString> localized_;
3234 }
3235
3236 - (NSComparisonResult) compareByLocalized:(Section *)section;
3237 - (Section *) initWithName:(NSString *)name localized:(NSString *)localized;
3238 - (Section *) initWithName:(NSString *)name localize:(BOOL)localize;
3239 - (Section *) initWithName:(NSString *)name row:(size_t)row localize:(BOOL)localize;
3240
3241 - (NSString *) name;
3242 - (void) setName:(NSString *)name;
3243
3244 - (size_t) row;
3245 - (size_t) count;
3246
3247 - (void) addToRow;
3248 - (void) addToCount;
3249
3250 - (void) setCount:(size_t)count;
3251 - (NSString *) localized;
3252
3253 @end
3254
3255 @implementation Section
3256
3257 - (NSComparisonResult) compareByLocalized:(Section *)section {
3258     NSString *lhs(localized_);
3259     NSString *rhs([section localized]);
3260
3261     /*if ([lhs length] != 0 && [rhs length] != 0) {
3262         unichar lhc = [lhs characterAtIndex:0];
3263         unichar rhc = [rhs characterAtIndex:0];
3264
3265         if (isalpha(lhc) && !isalpha(rhc))
3266             return NSOrderedAscending;
3267         else if (!isalpha(lhc) && isalpha(rhc))
3268             return NSOrderedDescending;
3269     }*/
3270
3271     return [lhs compare:rhs options:LaxCompareOptions_];
3272 }
3273
3274 - (Section *) initWithName:(NSString *)name localized:(NSString *)localized {
3275     if ((self = [self initWithName:name localize:NO]) != nil) {
3276         if (localized != nil)
3277             localized_ = localized;
3278     } return self;
3279 }
3280
3281 - (Section *) initWithName:(NSString *)name localize:(BOOL)localize {
3282     return [self initWithName:name row:0 localize:localize];
3283 }
3284
3285 - (Section *) initWithName:(NSString *)name row:(size_t)row localize:(BOOL)localize {
3286     if ((self = [super init]) != nil) {
3287         name_ = name;
3288         row_ = row;
3289         if (localize)
3290             localized_ = LocalizeSection(name_);
3291     } return self;
3292 }
3293
3294 - (NSString *) name {
3295     return name_;
3296 }
3297
3298 - (void) setName:(NSString *)name {
3299     name_ = name;
3300 }
3301
3302 - (size_t) row {
3303     return row_;
3304 }
3305
3306 - (size_t) count {
3307     return count_;
3308 }
3309
3310 - (void) addToRow {
3311     ++row_;
3312 }
3313
3314 - (void) addToCount {
3315     ++count_;
3316 }
3317
3318 - (void) setCount:(size_t)count {
3319     count_ = count;
3320 }
3321
3322 - (NSString *) localized {
3323     return localized_;
3324 }
3325
3326 @end
3327 /* }}} */
3328
3329 class CydiaLogCleaner :
3330     public pkgArchiveCleaner
3331 {
3332   protected:
3333     virtual void Erase(const char *File, std::string Pkg, std::string Ver, struct stat &St) {
3334         unlink(File);
3335     }
3336 };
3337
3338 /* Database Implementation {{{ */
3339 @implementation Database
3340
3341 + (Database *) sharedInstance {
3342     static _H<Database> instance;
3343     if (instance == nil)
3344         instance = [[[Database alloc] init] autorelease];
3345     return instance;
3346 }
3347
3348 - (unsigned) era {
3349     return era_;
3350 }
3351
3352 - (void) releasePackages {
3353     packages_ = nil;
3354 }
3355
3356 - (bool) hasPackages {
3357     return [packages_ count] != 0;
3358 }
3359
3360 - (void) dealloc {
3361     // XXX: actually implement this thing
3362     _assert(false);
3363     [self releasePackages];
3364     NSRecycleZone(zone_);
3365     [super dealloc];
3366 }
3367
3368 - (void) _readCydia:(NSNumber *)fd {
3369     boost::fdistream is([fd intValue]);
3370     std::string line;
3371
3372     static RegEx finish_r("finish:([^:]*)");
3373
3374     while (std::getline(is, line)) {
3375         NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
3376
3377         const char *data(line.c_str());
3378         size_t size = line.size();
3379         lprintf("C:%s\n", data);
3380
3381         if (finish_r(data, size)) {
3382             NSString *finish = finish_r[1];
3383             int index = [Finishes_ indexOfObject:finish];
3384             if (index != INT_MAX && index > Finish_)
3385                 Finish_ = index;
3386         }
3387
3388         [pool release];
3389     }
3390
3391     _assume(false);
3392 }
3393
3394 - (void) _readStatus:(NSNumber *)fd {
3395     boost::fdistream is([fd intValue]);
3396     std::string line;
3397
3398     static RegEx conffile_r("status: [^ ]* : conffile-prompt : (.*?) *");
3399     static RegEx pmstatus_r("([^:]*):([^:]*):([^:]*):(.*)");
3400
3401     while (std::getline(is, line)) {
3402         NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
3403
3404         const char *data(line.c_str());
3405         size_t size(line.size());
3406         lprintf("S:%s\n", data);
3407
3408         if (conffile_r(data, size)) {
3409             // status: /fail : conffile-prompt : '/fail' '/fail.dpkg-new' 1 1
3410             [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:conffile_r[1] waitUntilDone:YES];
3411         } else if (strncmp(data, "status: ", 8) == 0) {
3412             // status: <package>: {unpacked,half-configured,installed}
3413             CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:(data + 8)] ofType:kCydiaProgressEventTypeStatus]);
3414             [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3415         } else if (strncmp(data, "processing: ", 12) == 0) {
3416             // processing: configure: config-test
3417             CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:(data + 12)] ofType:kCydiaProgressEventTypeStatus]);
3418             [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3419         } else if (pmstatus_r(data, size)) {
3420             std::string type([pmstatus_r[1] UTF8String]);
3421
3422             NSString *package = pmstatus_r[2];
3423             if ([package isEqualToString:@"dpkg-exec"])
3424                 package = nil;
3425
3426             float percent([pmstatus_r[3] floatValue]);
3427             [progress_ performSelectorOnMainThread:@selector(setProgressPercent:) withObject:[NSNumber numberWithFloat:(percent / 100)] waitUntilDone:YES];
3428
3429             NSString *string = pmstatus_r[4];
3430
3431             if (type == "pmerror") {
3432                 CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:kCydiaProgressEventTypeError forPackage:package]);
3433                 [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3434             } else if (type == "pmstatus") {
3435                 CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:kCydiaProgressEventTypeStatus forPackage:package]);
3436                 [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3437             } else if (type == "pmconffile")
3438                 [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:string waitUntilDone:YES];
3439             else
3440                 lprintf("E:unknown pmstatus\n");
3441         } else
3442             lprintf("E:unknown status\n");
3443
3444         [pool release];
3445     }
3446
3447     _assume(false);
3448 }
3449
3450 - (void) _readOutput:(NSNumber *)fd {
3451     boost::fdistream is([fd intValue]);
3452     std::string line;
3453
3454     while (std::getline(is, line)) {
3455         NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
3456
3457         lprintf("O:%s\n", line.c_str());
3458
3459         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:line.c_str()] ofType:kCydiaProgressEventTypeInformation]);
3460         [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3461
3462         [pool release];
3463     }
3464
3465     _assume(false);
3466 }
3467
3468 - (FILE *) input {
3469     return input_;
3470 }
3471
3472 - (Package *) packageWithName:(NSString *)name {
3473     if (name == nil)
3474         return nil;
3475 @synchronized (self) {
3476     if (static_cast<pkgDepCache *>(cache_) == NULL)
3477         return nil;
3478     pkgCache::PkgIterator iterator(cache_->FindPkg([name UTF8String]
3479 #ifndef __arm__
3480         , "any"
3481 #endif
3482     ));
3483     return iterator.end() ? nil : [[Package newPackageWithIterator:iterator withZone:NULL inPool:NULL database:self] autorelease];
3484 } }
3485
3486 - (id) init {
3487     if ((self = [super init]) != nil) {
3488         policy_ = NULL;
3489         records_ = NULL;
3490         resolver_ = NULL;
3491         fetcher_ = NULL;
3492         lock_ = NULL;
3493
3494         zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
3495
3496         sourceList_ = [NSMutableArray arrayWithCapacity:16];
3497
3498         int fds[2];
3499
3500         _assert(pipe(fds) != -1);
3501         cydiafd_ = fds[1];
3502
3503         _config->Set("APT::Keep-Fds::", cydiafd_);
3504         setenv("CYDIA", [[[[NSNumber numberWithInt:cydiafd_] stringValue] stringByAppendingString:@" 1"] UTF8String], _not(int));
3505
3506         [NSThread
3507             detachNewThreadSelector:@selector(_readCydia:)
3508             toTarget:self
3509             withObject:[NSNumber numberWithInt:fds[0]]
3510         ];
3511
3512         _assert(pipe(fds) != -1);
3513         statusfd_ = fds[1];
3514
3515         [NSThread
3516             detachNewThreadSelector:@selector(_readStatus:)
3517             toTarget:self
3518             withObject:[NSNumber numberWithInt:fds[0]]
3519         ];
3520
3521         _assert(pipe(fds) != -1);
3522         _assert(dup2(fds[0], 0) != -1);
3523         _assert(close(fds[0]) != -1);
3524
3525         input_ = fdopen(fds[1], "a");
3526
3527         _assert(pipe(fds) != -1);
3528         _assert(dup2(fds[1], 1) != -1);
3529         _assert(close(fds[1]) != -1);
3530
3531         [NSThread
3532             detachNewThreadSelector:@selector(_readOutput:)
3533             toTarget:self
3534             withObject:[NSNumber numberWithInt:fds[0]]
3535         ];
3536     } return self;
3537 }
3538
3539 - (pkgCacheFile &) cache {
3540     return cache_;
3541 }
3542
3543 - (pkgDepCache::Policy *) policy {
3544     return policy_;
3545 }
3546
3547 - (pkgRecords *) records {
3548     return records_;
3549 }
3550
3551 - (pkgProblemResolver *) resolver {
3552     return resolver_;
3553 }
3554
3555 - (pkgAcquire &) fetcher {
3556     return *fetcher_;
3557 }
3558
3559 - (pkgSourceList &) list {
3560     return *list_;
3561 }
3562
3563 - (NSArray *) packages {
3564     return packages_;
3565 }
3566
3567 - (NSArray *) sources {
3568     return sourceList_;
3569 }
3570
3571 - (Source *) sourceWithKey:(NSString *)key {
3572     for (Source *source in [self sources]) {
3573         if ([[source key] isEqualToString:key])
3574             return source;
3575     } return nil;
3576 }
3577
3578 - (bool) popErrorWithTitle:(NSString *)title {
3579     bool fatal(false);
3580
3581     while (!_error->empty()) {
3582         std::string error;
3583         bool warning(!_error->PopMessage(error));
3584         if (!warning)
3585             fatal = true;
3586
3587         for (;;) {
3588             size_t size(error.size());
3589             if (size == 0 || error[size - 1] != '\n')
3590                 break;
3591             error.resize(size - 1);
3592         }
3593
3594         lprintf("%c:[%s]\n", warning ? 'W' : 'E', error.c_str());
3595
3596         static RegEx no_pubkey("GPG error:.* NO_PUBKEY .*");
3597         if (warning && no_pubkey(error.c_str()))
3598             continue;
3599
3600         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? kCydiaProgressEventTypeWarning : kCydiaProgressEventTypeError)] forTask:title];
3601     }
3602
3603     return fatal;
3604 }
3605
3606 - (bool) popErrorWithTitle:(NSString *)title forOperation:(bool)success {
3607     return [self popErrorWithTitle:title] || !success;
3608 }
3609
3610 - (bool) popErrorWithTitle:(NSString *)title forReadList:(pkgSourceList &)list {
3611     if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3612         return true;
3613     return false;
3614
3615     list.Reset();
3616
3617     bool error(false);
3618
3619     if (access("/etc/apt/sources.list", F_OK) == 0)
3620         error |= [self popErrorWithTitle:title forOperation:list.ReadAppend("/etc/apt/sources.list")];
3621
3622     std::string base("/etc/apt/sources.list.d");
3623     if (DIR *sources = opendir(base.c_str())) {
3624         while (dirent *source = readdir(sources))
3625             if (source->d_name[0] != '.' && source->d_namlen > 5 && strcmp(source->d_name + source->d_namlen - 5, ".list") == 0 && strcmp(source->d_name, "cydia.list") != 0)
3626                 error |= [self popErrorWithTitle:title forOperation:list.ReadAppend((base + "/" + source->d_name).c_str())];
3627         closedir(sources);
3628     }
3629
3630     error |= [self popErrorWithTitle:title forOperation:list.ReadAppend([SOURCES_LIST UTF8String])];
3631
3632     return error;
3633 }
3634
3635 - (void) reloadDataWithInvocation:(NSInvocation *)invocation {
3636 @synchronized (self) {
3637     ++era_;
3638
3639     [self releasePackages];
3640
3641     sourceMap_.clear();
3642     [sourceList_ removeAllObjects];
3643
3644     _error->Discard();
3645
3646     delete list_;
3647     list_ = NULL;
3648     manager_ = NULL;
3649     delete lock_;
3650     lock_ = NULL;
3651     delete fetcher_;
3652     fetcher_ = NULL;
3653     delete resolver_;
3654     resolver_ = NULL;
3655     delete records_;
3656     records_ = NULL;
3657     delete policy_;
3658     policy_ = NULL;
3659
3660     cache_.Close();
3661
3662     pool_.~CYPool();
3663     new (&pool_) CYPool();
3664
3665     NSRecycleZone(zone_);
3666     zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
3667
3668     int chk(creat("/tmp/cydia.chk", 0644));
3669     if (chk != -1)
3670         close(chk);
3671
3672     if (invocation != nil)
3673         [invocation invoke];
3674
3675     NSString *title(UCLocalize("DATABASE"));
3676
3677     list_ = new pkgSourceList();
3678     _profile(reloadDataWithInvocation$ReadMainList)
3679     if ([self popErrorWithTitle:title forReadList:*list_])
3680         return;
3681     _end
3682
3683     _profile(reloadDataWithInvocation$Source$initWithMetaIndex)
3684     for (pkgSourceList::const_iterator source = list_->begin(); source != list_->end(); ++source) {
3685         Source *object([[[Source alloc] initWithMetaIndex:*source forDatabase:self inPool:&pool_] autorelease]);
3686         [sourceList_ addObject:object];
3687     }
3688     _end
3689
3690     _trace();
3691     OpProgress progress;
3692     bool opened;
3693   open:
3694     delock_ = GetStatusDate();
3695     _profile(reloadDataWithInvocation$pkgCacheFile)
3696         opened = cache_.Open(progress, false);
3697     _end
3698     if (!opened) {
3699         // XXX: this block should probably be merged with popError: in some way
3700         while (!_error->empty()) {
3701             std::string error;
3702             bool warning(!_error->PopMessage(error));
3703
3704             lprintf("cache_.Open():[%s]\n", error.c_str());
3705
3706             [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? kCydiaProgressEventTypeWarning : kCydiaProgressEventTypeError)] forTask:title];
3707
3708             SEL repair(NULL);
3709             if (false);
3710             else if (error == "dpkg was interrupted, you must manually run 'dpkg --configure -a' to correct the problem. ")
3711                 repair = @selector(configure);
3712             //else if (error == "The package lists or status file could not be parsed or opened.")
3713             //    repair = @selector(update);
3714             // else if (error == "Could not get lock /var/lib/dpkg/lock - open (35 Resource temporarily unavailable)")
3715             // else if (error == "Could not open lock file /var/lib/dpkg/lock - open (13 Permission denied)")
3716             // else if (error == "Malformed Status line")
3717             // else if (error == "The list of sources could not be read.")
3718
3719             if (repair != NULL) {
3720                 _error->Discard();
3721                 [delegate_ repairWithSelector:repair];
3722                 goto open;
3723             }
3724         }
3725
3726         return;
3727     } else if ([self popErrorWithTitle:title forOperation:true])
3728         return;
3729     _trace();
3730
3731     unlink("/tmp/cydia.chk");
3732
3733     now_ = [[NSDate date] timeIntervalSince1970];
3734
3735     policy_ = new pkgDepCache::Policy();
3736     records_ = new pkgRecords(cache_);
3737     resolver_ = new pkgProblemResolver(cache_);
3738     fetcher_ = new pkgAcquire(&status_);
3739     lock_ = NULL;
3740
3741     if (cache_->DelCount() != 0 || cache_->InstCount() != 0) {
3742         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("COUNTS_NONZERO_EX") ofType:kCydiaProgressEventTypeError] forTask:title];
3743         return;
3744     }
3745
3746     _profile(reloadDataWithInvocation$pkgApplyStatus)
3747     if ([self popErrorWithTitle:title forOperation:pkgApplyStatus(cache_)])
3748         return;
3749     _end
3750
3751     if (cache_->BrokenCount() != 0) {
3752         _profile(pkgApplyStatus$pkgFixBroken)
3753         if ([self popErrorWithTitle:title forOperation:pkgFixBroken(cache_)])
3754             return;
3755         _end
3756
3757         if (cache_->BrokenCount() != 0) {
3758             [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("STILL_BROKEN_EX") ofType:kCydiaProgressEventTypeError] forTask:title];
3759             return;
3760         }
3761
3762         _profile(pkgApplyStatus$pkgMinimizeUpgrade)
3763         if ([self popErrorWithTitle:title forOperation:pkgMinimizeUpgrade(cache_)])
3764             return;
3765         _end
3766     }
3767
3768     for (Source *object in (id) sourceList_) {
3769         metaIndex *source([object metaIndex]);
3770         std::vector<pkgIndexFile *> *indices = source->GetIndexFiles();
3771         for (std::vector<pkgIndexFile *>::const_iterator index = indices->begin(); index != indices->end(); ++index)
3772             // XXX: this could be more intelligent
3773             if (dynamic_cast<debPackagesIndex *>(*index) != NULL) {
3774                 pkgCache::PkgFileIterator cached((*index)->FindInCache(cache_));
3775                 if (!cached.end())
3776                     sourceMap_[cached->ID] = object;
3777             }
3778     }
3779
3780     {
3781         size_t capacity(MetaFile_->active_);
3782         if (capacity == 0)
3783             capacity = 128*1024;
3784         else
3785             capacity += 1024;
3786
3787         std::vector<Package *> packages;
3788         packages.reserve(capacity);
3789         size_t lost(0);
3790
3791         size_t last(0);
3792         _profile(reloadDataWithInvocation$packageWithIterator)
3793         for (pkgCache::PkgIterator iterator = cache_->PkgBegin(); !iterator.end(); ++iterator)
3794             if (Package *package = [Package newPackageWithIterator:iterator withZone:zone_ inPool:&pool_ database:self]) {
3795                 if (unsigned index = package.metadata->index_) {
3796                     --index;
3797                     if (packages.size() == index) {
3798                         packages.push_back(package);
3799                     } else if (packages.size() <= index) {
3800                         packages.resize(index + 1, nil);
3801                         packages[index] = package;
3802                         continue;
3803                     } else {
3804                         std::swap(package, packages[index]);
3805                         if (package != nil) {
3806                             if (package.metadata->index_ == index + 1)
3807                                 ++lost;
3808                             goto lost;
3809                         }
3810                         if (last != index)
3811                             continue;
3812                     }
3813                 } else {
3814                     ++lost;
3815                     lost: if (last == packages.size())
3816                         packages.push_back(package);
3817                     else
3818                         packages[last] = package;
3819                     ++last;
3820                 }
3821
3822                 for (; last != packages.size(); ++last)
3823                     if (packages[last] == nil)
3824                         break;
3825             }
3826         _end
3827
3828         for (size_t next(last + 1); last != packages.size(); ++last, ++next) {
3829             while (true) {
3830                 if (next == packages.size())
3831                     goto done;
3832                 if (packages[next] != nil)
3833                     break;
3834                 ++next;
3835             }
3836
3837             std::swap(packages[last], packages[next]);
3838         } done:;
3839
3840         packages.resize(last);
3841
3842         if (lost > 128) {
3843             NSLog(@"lost = %zu", lost);
3844
3845             _profile(reloadDataWithInvocation$radix$8)
3846             CYRadixSortUsingFunction(packages.data(), packages.size(), reinterpret_cast<MenesRadixSortFunction>(&PackagePrefixRadix), reinterpret_cast<void *>(8));
3847             _end
3848
3849             _profile(reloadDataWithInvocation$radix$4)
3850             CYRadixSortUsingFunction(packages.data(), packages.size(), reinterpret_cast<MenesRadixSortFunction>(&PackagePrefixRadix), reinterpret_cast<void *>(4));
3851             _end
3852
3853             _profile(reloadDataWithInvocation$radix$0)
3854             CYRadixSortUsingFunction(packages.data(), packages.size(), reinterpret_cast<MenesRadixSortFunction>(&PackagePrefixRadix), reinterpret_cast<void *>(0));
3855             _end
3856         }
3857
3858         _profile(reloadDataWithInvocation$insertion)
3859         CYArrayInsertionSortValues(packages.data(), packages.size(), &PackageNameCompare, NULL);
3860         _end
3861
3862         packages_ = [[[NSArray alloc] initWithObjects:packages.data() count:packages.size()] autorelease];
3863
3864         /*_profile(reloadDataWithInvocation$CFQSortArray)
3865         CFQSortArray(&packages.front(), packages.size(), sizeof(packages.front()), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare_), NULL);
3866         _end*/
3867
3868         /*_profile(reloadDataWithInvocation$stdsort)
3869         std::sort(packages.begin(), packages.end(), PackageNameOrdering());
3870         _end*/
3871
3872         /*_profile(reloadDataWithInvocation$CFArraySortValues)
3873         CFArraySortValues((CFMutableArrayRef) packages_, CFRangeMake(0, [packages_ count]), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare), NULL);
3874         _end*/
3875
3876         /*_profile(reloadDataWithInvocation$sortUsingFunction)
3877         [packages_ sortUsingFunction:reinterpret_cast<NSComparisonResult (*)(id, id, void *)>(&PackageNameCompare) context:NULL];
3878         _end*/
3879
3880         MetaFile_->active_ = packages.size();
3881         for (size_t index(0), count(packages.size()); index != count; ++index) {
3882             auto package(packages[index]);
3883             [package setIndex:index];
3884             [package release];
3885         }
3886     }
3887 } }
3888
3889 - (void) clear {
3890 @synchronized (self) {
3891     delete resolver_;
3892     resolver_ = new pkgProblemResolver(cache_);
3893
3894     for (pkgCache::PkgIterator iterator(cache_->PkgBegin()); !iterator.end(); ++iterator)
3895         if (!cache_[iterator].Keep())
3896             cache_->MarkKeep(iterator, false);
3897         else if ((cache_[iterator].iFlags & pkgDepCache::ReInstall) != 0)
3898             cache_->SetReInstall(iterator, false);
3899 } }
3900
3901 - (void) configure {
3902     NSString *dpkg = [NSString stringWithFormat:@"/usr/libexec/cydo --configure -a --status-fd %u", statusfd_];
3903     _trace();
3904     system([dpkg UTF8String]);
3905     _trace();
3906 }
3907
3908 - (bool) clean {
3909 @synchronized (self) {
3910     // XXX: I don't remember this condition
3911     if (lock_ != NULL)
3912         return false;
3913
3914     FileFd Lock;
3915     Lock.Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
3916
3917     NSString *title(UCLocalize("CLEAN_ARCHIVES"));
3918
3919     if ([self popErrorWithTitle:title])
3920         return false;
3921
3922     pkgAcquire fetcher;
3923     fetcher.Clean(_config->FindDir("Dir::Cache::Archives"));
3924
3925     CydiaLogCleaner cleaner;
3926     if ([self popErrorWithTitle:title forOperation:cleaner.Go(_config->FindDir("Dir::Cache::Archives") + "partial/", cache_)])
3927         return false;
3928
3929     return true;
3930 } }
3931
3932 - (bool) prepare {
3933     fetcher_->Shutdown();
3934
3935     pkgRecords records(cache_);
3936
3937     lock_ = new FileFd();
3938     lock_->Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
3939
3940     NSString *title(UCLocalize("PREPARE_ARCHIVES"));
3941
3942     if ([self popErrorWithTitle:title])
3943         return false;
3944
3945     pkgSourceList list;
3946     if ([self popErrorWithTitle:title forReadList:list])
3947         return false;
3948
3949     manager_ = (_system->CreatePM(cache_));
3950     if ([self popErrorWithTitle:title forOperation:manager_->GetArchives(fetcher_, &list, &records)])
3951         return false;
3952
3953     return true;
3954 }
3955
3956 - (void) perform {
3957     bool substrate(RestartSubstrate_);
3958     RestartSubstrate_ = false;
3959
3960     NSString *title(UCLocalize("PERFORM_SELECTIONS"));
3961
3962     NSMutableArray *before = [NSMutableArray arrayWithCapacity:16]; {
3963         pkgSourceList list;
3964         if ([self popErrorWithTitle:title forReadList:list])
3965             return;
3966         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
3967             [before addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
3968     }
3969
3970     [delegate_ performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3971
3972     if (fetcher_->Run(PulseInterval_) != pkgAcquire::Continue) {
3973         _trace();
3974         [self popErrorWithTitle:title];
3975         return;
3976     }
3977
3978     bool failed = false;
3979     for (pkgAcquire::ItemIterator item = fetcher_->ItemsBegin(); item != fetcher_->ItemsEnd(); item++) {
3980         if ((*item)->Status == pkgAcquire::Item::StatDone && (*item)->Complete)
3981             continue;
3982         if ((*item)->Status == pkgAcquire::Item::StatIdle)
3983             continue;
3984
3985         std::string uri = (*item)->DescURI();
3986         std::string error = (*item)->ErrorText;
3987
3988         lprintf("pAf:%s:%s\n", uri.c_str(), error.c_str());
3989         failed = true;
3990
3991         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:kCydiaProgressEventTypeError]);
3992         [delegate_ addProgressEventOnMainThread:event forTask:title];
3993     }
3994
3995     [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3996
3997     if (failed) {
3998         _trace();
3999         return;
4000     }
4001
4002     if (substrate)
4003         RestartSubstrate_ = true;
4004
4005     if (![delock_ isEqual:GetStatusDate()]) {
4006         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("DPKG_LOCKED") ofType:kCydiaProgressEventTypeError] forTask:title];
4007         return;
4008     }
4009
4010     delock_ = nil;
4011
4012     pkgPackageManager::OrderResult result(manager_->DoInstall(statusfd_));
4013
4014     NSString *oextended(@"/var/lib/apt/extended_states");
4015     NSString *nextended(Cache("extended_states"));
4016
4017     struct stat info;
4018     if (stat([nextended UTF8String], &info) != -1 && (info.st_mode & S_IFMT) == S_IFREG)
4019         system([[NSString stringWithFormat:@"/usr/libexec/cydia/cydo /bin/cp --remove-destination %@ %@", ShellEscape(nextended), ShellEscape(oextended)] UTF8String]);
4020
4021     unlink([nextended UTF8String]);
4022     symlink([oextended UTF8String], [nextended UTF8String]);
4023
4024     if ([self popErrorWithTitle:title])
4025         return;
4026
4027     if (result == pkgPackageManager::Failed) {
4028         _trace();
4029         return;
4030     }
4031
4032     if (result != pkgPackageManager::Completed) {
4033         _trace();
4034         return;
4035     }
4036
4037     NSMutableArray *after = [NSMutableArray arrayWithCapacity:16]; {
4038         pkgSourceList list;
4039         if ([self popErrorWithTitle:title forReadList:list])
4040             return;
4041         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
4042             [after addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
4043     }
4044
4045     if (![before isEqualToArray:after])
4046         [self update];
4047 }
4048
4049 - (bool) delocked {
4050     return ![delock_ isEqual:GetStatusDate()];
4051 }
4052
4053 - (bool) upgrade {
4054     NSString *title(UCLocalize("UPGRADE"));
4055     if ([self popErrorWithTitle:title forOperation:pkgDistUpgrade(cache_)])
4056         return false;
4057     return true;
4058 }
4059
4060 - (void) update {
4061     [self updateWithStatus:status_];
4062 }
4063
4064 - (void) updateWithStatus:(CancelStatus &)status {
4065     NSString *title(UCLocalize("REFRESHING_DATA"));
4066
4067     pkgSourceList list;
4068     if ([self popErrorWithTitle:title forReadList:list])
4069         return;
4070
4071     FileFd lock;
4072     lock.Fd(GetLock(_config->FindDir("Dir::State::Lists") + "lock"));
4073     if ([self popErrorWithTitle:title])
4074         return;
4075
4076     [delegate_ performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
4077
4078     bool success(ListUpdate(status, list, PulseInterval_));
4079     if (status.WasCancelled())
4080         _error->Discard();
4081     else {
4082         [self popErrorWithTitle:title forOperation:success];
4083
4084         [[NSDictionary dictionaryWithObjectsAndKeys:
4085             [NSDate date], @"LastUpdate",
4086         nil] writeToFile:CacheState_ atomically:YES];
4087     }
4088
4089     [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
4090 }
4091
4092 - (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate {
4093     delegate_ = delegate;
4094 }
4095
4096 - (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate {
4097     progress_ = delegate;
4098     status_.setDelegate(delegate);
4099 }
4100
4101 - (NSObject<ProgressDelegate> *) progressDelegate {
4102     return progress_;
4103 }
4104
4105 - (Source *) getSource:(pkgCache::PkgFileIterator)file {
4106     SourceMap::const_iterator i(sourceMap_.find(file->ID));
4107     return i == sourceMap_.end() ? nil : i->second;
4108 }
4109
4110 - (void) setFetch:(bool)fetch forURI:(const char *)uri {
4111     for (Source *source in (id) sourceList_)
4112         [source setFetch:fetch forURI:uri];
4113 }
4114
4115 - (void) resetFetch {
4116     for (Source *source in (id) sourceList_)
4117         [source resetFetch];
4118 }
4119
4120 - (NSString *) mappedSectionForPointer:(const char *)section {
4121     _H<NSString> *mapped;
4122
4123     _profile(Database$mappedSectionForPointer$Cache)
4124         mapped = &sections_[section];
4125     _end
4126
4127     if (*mapped == NULL) {
4128         size_t length(strlen(section));
4129         char spaced[length + 1];
4130
4131         _profile(Database$mappedSectionForPointer$Replace)
4132             for (size_t index(0); index != length; ++index)
4133                 spaced[index] = section[index] == '_' ? ' ' : section[index];
4134             spaced[length] = '\0';
4135         _end
4136
4137         NSString *string;
4138
4139         _profile(Database$mappedSectionForPointer$stringWithUTF8String)
4140             string = [NSString stringWithUTF8String:spaced];
4141         _end
4142
4143         _profile(Database$mappedSectionForPointer$Map)
4144             string = [SectionMap_ objectForKey:string] ?: string;
4145         _end
4146
4147         *mapped = string;
4148     } return *mapped;
4149 }
4150
4151 @end
4152 /* }}} */
4153
4154 @interface CydiaObject : CyteObject {
4155     _transient id delegate_;
4156 }
4157
4158 @end
4159
4160 @interface CydiaWebViewController : CyteWebViewController {
4161     _H<CydiaObject> cydia_;
4162 }
4163
4164 + (NSURLRequest *) requestWithHeaders:(NSURLRequest *)request;
4165 + (void) didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame withCydia:(CydiaObject *)cydia;
4166 - (void) setDelegate:(id)delegate;
4167
4168 @end
4169
4170 /* Web Scripting {{{ */
4171 @implementation CydiaObject
4172
4173 - (void) setDelegate:(id)delegate {
4174     delegate_ = delegate;
4175 }
4176
4177 - (NSArray *) attributeKeys {
4178     return [[NSArray arrayWithObjects:
4179         @"cells",
4180         @"device",
4181         @"mcc",
4182         @"mnc",
4183         @"operator",
4184         @"role",
4185         @"version",
4186     nil] arrayByAddingObjectsFromArray:[super attributeKeys]];
4187 }
4188
4189 - (NSString *) version {
4190     return Cydia_;
4191 }
4192
4193 - (NSString *) device {
4194     return UniqueIdentifier();
4195 }
4196
4197 - (NSArray *) cells {
4198     auto *$_CTServerConnectionCreate(reinterpret_cast<id (*)(void *, void *, void *)>(dlsym(RTLD_DEFAULT, "_CTServerConnectionCreate")));
4199     if ($_CTServerConnectionCreate == NULL)
4200         return nil;
4201
4202     struct CTResult { int flag; int error; };
4203     auto *$_CTServerConnectionCellMonitorCopyCellInfo(reinterpret_cast<CTResult (*)(CFTypeRef, void *, CFArrayRef *)>(dlsym(RTLD_DEFAULT, "_CTServerConnectionCellMonitorCopyCellInfo")));
4204     if ($_CTServerConnectionCellMonitorCopyCellInfo == NULL)
4205         return nil;
4206
4207     _H<const void> connection($_CTServerConnectionCreate(NULL, NULL, NULL), true);
4208     if (connection == nil)
4209         return nil;
4210
4211     int count(0);
4212     CFArrayRef cells(NULL);
4213     auto result($_CTServerConnectionCellMonitorCopyCellInfo(connection, &count, &cells));
4214     if (result.flag != 0)
4215         return nil;
4216
4217     return [(NSArray *) cells autorelease];
4218 }
4219
4220 - (NSString *) mcc {
4221     if (CFStringRef (*$CTSIMSupportCopyMobileSubscriberCountryCode)(CFAllocatorRef) = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberCountryCode")))
4222         return [(NSString *) (*$CTSIMSupportCopyMobileSubscriberCountryCode)(kCFAllocatorDefault) autorelease];
4223     return nil;
4224 }
4225
4226 - (NSString *) mnc {
4227     if (CFStringRef (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(CFAllocatorRef) = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberNetworkCode")))
4228         return [(NSString *) (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(kCFAllocatorDefault) autorelease];
4229     return nil;
4230 }
4231
4232 - (NSString *) operator {
4233     if (CFStringRef (*$CTRegistrationCopyOperatorName)(CFAllocatorRef) = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTRegistrationCopyOperatorName")))
4234         return [(NSString *) (*$CTRegistrationCopyOperatorName)(kCFAllocatorDefault) autorelease];
4235     return nil;
4236 }
4237
4238 - (NSString *) role {
4239     return (id) [NSNull null];
4240 }
4241
4242 + (NSString *) webScriptNameForSelector:(SEL)selector {
4243     if (false);
4244     else if (selector == @selector(addBridgedHost:))
4245         return @"addBridgedHost";
4246     else if (selector == @selector(addInsecureHost:))
4247         return @"addInsecureHost";
4248     else if (selector == @selector(addSource:::))
4249         return @"addSource";
4250     else if (selector == @selector(addTrivialSource:))
4251         return @"addTrivialSource";
4252     else if (selector == @selector(du:))
4253         return @"du";
4254     else if (selector == @selector(getAllSources))
4255         return @"getAllSources";
4256     else if (selector == @selector(getApplicationInfo:value:))
4257         return @"getApplicationInfoValue";
4258     else if (selector == @selector(getDisplayIdentifiers))
4259         return @"getDisplayIdentifiers";
4260     else if (selector == @selector(getLocalizedNameForDisplayIdentifier:))
4261         return @"getLocalizedNameForDisplayIdentifier";
4262     else if (selector == @selector(getInstalledPackages))
4263         return @"getInstalledPackages";
4264     else if (selector == @selector(getPackageById:))
4265         return @"getPackageById";
4266     else if (selector == @selector(getMetadataKeys))
4267         return @"getMetadataKeys";
4268     else if (selector == @selector(getMetadataValue:))
4269         return @"getMetadataValue";
4270     else if (selector == @selector(getSessionValue:))
4271         return @"getSessionValue";
4272     else if (selector == @selector(installPackages:))
4273         return @"installPackages";
4274     else if (selector == @selector(refreshSources))
4275         return @"refreshSources";
4276     else if (selector == @selector(saveConfig))
4277         return @"saveConfig";
4278     else if (selector == @selector(setMetadataValue::))
4279         return @"setMetadataValue";
4280     else if (selector == @selector(setSessionValue::))
4281         return @"setSessionValue";
4282     else if (selector == @selector(substitutePackageNames:))
4283         return @"substitutePackageNames";
4284     else if (selector == @selector(setToken:))
4285         return @"setToken";
4286     else
4287         return nil;
4288 }
4289
4290 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
4291     return [self webScriptNameForSelector:selector] == nil;
4292 }
4293
4294 - (NSDictionary *) getApplicationInfo:(NSString *)display value:(NSString *)key {
4295     char path[1024];
4296     if (SBBundlePathForDisplayIdentifier(SBSSpringBoardServerPort(), [display UTF8String], path) != 0)
4297         return (id) [NSNull null];
4298     NSDictionary *info([NSDictionary dictionaryWithContentsOfFile:[[NSString stringWithUTF8String:path] stringByAppendingString:@"/Info.plist"]]);
4299     if (info == nil)
4300         return (id) [NSNull null];
4301     return [info objectForKey:key];
4302 }
4303
4304 - (NSArray *) getDisplayIdentifiers {
4305     return SBSCopyApplicationDisplayIdentifiers(false, false);
4306 }
4307
4308 - (NSString *) getLocalizedNameForDisplayIdentifier:(NSString *)identifier {
4309     return [SBSCopyLocalizedApplicationNameForDisplayIdentifier(identifier) autorelease] ?: (id) [NSNull null];
4310 }
4311
4312 - (NSNumber *) getKernelNumber:(NSString *)name {
4313     const char *string([name UTF8String]);
4314
4315     size_t size;
4316     if (sysctlbyname(string, NULL, &size, NULL, 0) == -1)
4317         return (id) [NSNull null];
4318
4319     if (size != sizeof(int))
4320         return (id) [NSNull null];
4321
4322     int value;
4323     if (sysctlbyname(string, &value, &size, NULL, 0) == -1)
4324         return (id) [NSNull null];
4325
4326     return [NSNumber numberWithInt:value];
4327 }
4328
4329 - (NSArray *) getMetadataKeys {
4330 @synchronized (Values_) {
4331     return [Values_ allKeys];
4332 } }
4333
4334 - (id) getMetadataValue:(NSString *)key {
4335 @synchronized (Values_) {
4336     return [Values_ objectForKey:key];
4337 } }
4338
4339 - (void) setMetadataValue:(NSString *)key :(NSString *)value {
4340 @synchronized (Values_) {
4341     if (value == nil || value == (id) [WebUndefined undefined] || value == (id) [NSNull null])
4342         [Values_ removeObjectForKey:key];
4343     else
4344         [Values_ setObject:value forKey:key];
4345 } }
4346
4347 - (id) getSessionValue:(NSString *)key {
4348 @synchronized (SessionData_) {
4349     return [SessionData_ objectForKey:key];
4350 } }
4351
4352 - (void) setSessionValue:(NSString *)key :(NSString *)value {
4353 @synchronized (SessionData_) {
4354     if (value == (id) [WebUndefined undefined])
4355         [SessionData_ removeObjectForKey:key];
4356     else
4357         [SessionData_ setObject:value forKey:key];
4358 } }
4359
4360 - (void) addBridgedHost:(NSString *)host {
4361 @synchronized (BridgedHosts_) {
4362     [BridgedHosts_ addObject:host];
4363 } }
4364
4365 - (void) addInsecureHost:(NSString *)host {
4366 @synchronized (InsecureHosts_) {
4367     [InsecureHosts_ addObject:host];
4368 } }
4369
4370 - (void) addSource:(NSString *)href :(NSString *)distribution :(WebScriptObject *)sections {
4371     NSMutableArray *array([NSMutableArray arrayWithCapacity:[sections count]]);
4372
4373     for (NSString *section in sections)
4374         [array addObject:section];
4375
4376     [delegate_ performSelectorOnMainThread:@selector(addSource:) withObject:[NSMutableDictionary dictionaryWithObjectsAndKeys:
4377         @"deb", @"Type",
4378         href, @"URI",
4379         distribution, @"Distribution",
4380         array, @"Sections",
4381     nil] waitUntilDone:NO];
4382 }
4383
4384 - (BOOL) addTrivialSource:(NSString *)href {
4385     href = VerifySource(href);
4386     if (href == nil)
4387         return NO;
4388     [delegate_ performSelectorOnMainThread:@selector(addTrivialSource:) withObject:href waitUntilDone:NO];
4389     return YES;
4390 }
4391
4392 - (void) refreshSources {
4393     [delegate_ performSelectorOnMainThread:@selector(syncData) withObject:nil waitUntilDone:NO];
4394 }
4395
4396 - (void) saveConfig {
4397     [delegate_ performSelectorOnMainThread:@selector(_saveConfig) withObject:nil waitUntilDone:NO];
4398 }
4399
4400 - (NSArray *) getAllSources {
4401     return [[Database sharedInstance] sources];
4402 }
4403
4404 - (NSArray *) getInstalledPackages {
4405     Database *database([Database sharedInstance]);
4406 @synchronized (database) {
4407     NSArray *packages([database packages]);
4408     NSMutableArray *installed([NSMutableArray arrayWithCapacity:1024]);
4409     for (Package *package in packages)
4410         if (![package uninstalled])
4411             [installed addObject:package];
4412     return installed;
4413 } }
4414
4415 - (Package *) getPackageById:(NSString *)id {
4416     if (Package *package = [[Database sharedInstance] packageWithName:id]) {
4417         [package parse];
4418         return package;
4419     } else
4420         return (Package *) [NSNull null];
4421 }
4422
4423 - (NSNumber *) du:(NSString *)path {
4424     NSNumber *value(nil);
4425
4426     FILE *du(popen([[NSString stringWithFormat:@"/usr/libexec/cydia/cydo /usr/libexec/cydia/du -ks %@", ShellEscape(path)] UTF8String], "r"));
4427     if (du != NULL) {
4428         char line[1024];
4429         while (fgets(line, sizeof(line), du) != NULL) {
4430             size_t length(strlen(line));
4431             while (length != 0 && line[length - 1] == '\n')
4432                 line[--length] = '\0';
4433             if (char *tab = strchr(line, '\t')) {
4434                 *tab = '\0';
4435                 value = [NSNumber numberWithUnsignedLong:strtoul(line, NULL, 0)];
4436             }
4437         }
4438         pclose(du);
4439     }
4440
4441     return value;
4442 }
4443
4444 - (void) installPackages:(NSArray *)packages {
4445     [delegate_ performSelectorOnMainThread:@selector(installPackages:) withObject:packages waitUntilDone:NO];
4446 }
4447
4448 - (NSString *) substitutePackageNames:(NSString *)message {
4449     auto database([Database sharedInstance]);
4450
4451     // XXX: this check is less racy than you'd expect, but this entire concept is a little awkward
4452     if (![database hasPackages])
4453         return message;
4454
4455     NSMutableArray *words([[[message componentsSeparatedByString:@" "] mutableCopy] autorelease]);
4456     for (size_t i(0), e([words count]); i != e; ++i) {
4457         NSString *word([words objectAtIndex:i]);
4458         if (Package *package = [database packageWithName:word])
4459             [words replaceObjectAtIndex:i withObject:[package name]];
4460     }
4461
4462     return [words componentsJoinedByString:@" "];
4463 }
4464
4465 - (void) setToken:(NSString *)token {
4466     // XXX: the website expects this :/
4467 }
4468
4469 @end
4470 /* }}} */
4471
4472 @interface NSURL (CydiaSecure)
4473 @end
4474
4475 @implementation NSURL (CydiaSecure)
4476
4477 - (bool) isCydiaSecure {
4478     if ([[[self scheme] lowercaseString] isEqualToString:@"https"])
4479         return true;
4480
4481     @synchronized (InsecureHosts_) {
4482         if ([InsecureHosts_ containsObject:[self host]])
4483             return true;
4484     }
4485
4486     return false;
4487 }
4488
4489 @end
4490
4491 /* Cydia Browser Controller {{{ */
4492 @implementation CydiaWebViewController
4493
4494 - (NSURL *) navigationURL {
4495     if (NSURLRequest *request = self.request)
4496         return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://url/%@", [[request URL] absoluteString]]];
4497     else
4498         return nil;
4499 }
4500
4501 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4502     [super webView:view didClearWindowObject:window forFrame:frame];
4503     [CydiaWebViewController didClearWindowObject:window forFrame:frame withCydia:cydia_];
4504 }
4505
4506 + (void) didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame withCydia:(CydiaObject *)cydia {
4507     WebDataSource *source([frame dataSource]);
4508     NSURLResponse *response([source response]);
4509     NSURL *url([response URL]);
4510     NSString *scheme([[url scheme] lowercaseString]);
4511
4512     bool bridged(false);
4513
4514     @synchronized (BridgedHosts_) {
4515         if ([scheme isEqualToString:@"file"])
4516             bridged = true;
4517         else if ([scheme isEqualToString:@"https"])
4518             if ([BridgedHosts_ containsObject:[url host]])
4519                 bridged = true;
4520     }
4521
4522     if (bridged)
4523         [window setValue:cydia forKey:@"cydia"];
4524 }
4525
4526 - (void) _setupMail:(MFMailComposeViewController *)controller {
4527     [controller addAttachmentData:[NSData dataWithContentsOfFile:@"/tmp/cydia.log"] mimeType:@"text/plain" fileName:@"cydia.log"];
4528
4529     system("/usr/bin/dpkg -l >/tmp/dpkgl.log");
4530     [controller addAttachmentData:[NSData dataWithContentsOfFile:@"/tmp/dpkgl.log"] mimeType:@"text/plain" fileName:@"dpkgl.log"];
4531 }
4532
4533 - (NSURLRequest *) webView:(WebView *)view resource:(id)resource willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
4534     return [CydiaWebViewController requestWithHeaders:[super webView:view resource:resource willSendRequest:request redirectResponse:response fromDataSource:source]];
4535 }
4536
4537 - (NSURLRequest *) webThreadWebView:(WebView *)view resource:(id)resource willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
4538     return [CydiaWebViewController requestWithHeaders:[super webThreadWebView:view resource:resource willSendRequest:request redirectResponse:response fromDataSource:source]];
4539 }
4540
4541 + (NSURLRequest *) requestWithHeaders:(NSURLRequest *)request {
4542     NSMutableURLRequest *copy([[request mutableCopy] autorelease]);
4543
4544     NSURL *url([copy URL]);
4545     NSString *href([url absoluteString]);
4546     NSString *host([url host]);
4547
4548     if ([href hasPrefix:@"https://cydia.saurik.com/TSS/"]) {
4549         if (NSString *agent = [copy valueForHTTPHeaderField:@"X-User-Agent"]) {
4550             [copy setValue:agent forHTTPHeaderField:@"User-Agent"];
4551             [copy setValue:nil forHTTPHeaderField:@"X-User-Agent"];
4552         }
4553
4554         [copy setValue:nil forHTTPHeaderField:@"Referer"];
4555         [copy setValue:nil forHTTPHeaderField:@"Origin"];
4556
4557         [copy setURL:[NSURL URLWithString:[@"http://gs.apple.com/TSS/" stringByAppendingString:[href substringFromIndex:29]]]];
4558         return copy;
4559     }
4560
4561     if ([copy valueForHTTPHeaderField:@"X-Cydia-Cf"] == nil)
4562         [copy setValue:[NSString stringWithFormat:@"%.2f", kCFCoreFoundationVersionNumber] forHTTPHeaderField:@"X-Cydia-Cf"];
4563     if (Machine_ != NULL && [copy valueForHTTPHeaderField:@"X-Machine"] == nil)
4564         [copy setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
4565
4566     bool bridged; @synchronized (BridgedHosts_) {
4567         bridged = [BridgedHosts_ containsObject:host];
4568     }
4569
4570     if ([url isCydiaSecure] && bridged && UniqueID_ != nil && [copy valueForHTTPHeaderField:@"X-Cydia-Id"] == nil)
4571         [copy setValue:UniqueID_ forHTTPHeaderField:@"X-Cydia-Id"];
4572
4573     return copy;
4574 }
4575
4576 - (void) setDelegate:(id)delegate {
4577     [super setDelegate:delegate];
4578     [cydia_ setDelegate:delegate];
4579 }
4580
4581 - (id) init {
4582     if ((self = [super initWithWidth:0 ofClass:[CydiaWebViewController class]]) != nil) {
4583         cydia_ = [[[CydiaObject alloc] initWithDelegate:self.indirect] autorelease];
4584     } return self;
4585 }
4586
4587 @end
4588
4589 @interface AppCacheController : CydiaWebViewController {
4590 }
4591
4592 @end
4593
4594 @implementation AppCacheController
4595
4596 - (void) didReceiveMemoryWarning {
4597     // XXX: this doesn't work
4598 }
4599
4600 - (bool) retainsNetworkActivityIndicator {
4601     return false;
4602 }
4603
4604 @end
4605 /* }}} */
4606
4607 /* Confirmation Controller {{{ */
4608 bool DepSubstrate(const pkgCache::VerIterator &iterator) {
4609     if (!iterator.end())
4610         for (pkgCache::DepIterator dep(iterator.DependsList()); !dep.end(); ++dep) {
4611             if (dep->Type != pkgCache::Dep::Depends && dep->Type != pkgCache::Dep::PreDepends)
4612                 continue;
4613             pkgCache::PkgIterator package(dep.TargetPkg());
4614             if (package.end())
4615                 continue;
4616             if (strcmp(package.Name(), "mobilesubstrate") == 0)
4617                 return true;
4618         }
4619
4620     return false;
4621 }
4622
4623 @protocol ConfirmationControllerDelegate
4624 - (void) cancelAndClear:(bool)clear;
4625 - (void) confirmWithNavigationController:(UINavigationController *)navigation;
4626 - (void) queue;
4627 @end
4628
4629 @interface ConfirmationController : CydiaWebViewController {
4630     _transient Database *database_;
4631
4632     _H<UIAlertView> essential_;
4633
4634     _H<NSDictionary> changes_;
4635     _H<NSMutableArray> issues_;
4636     _H<NSDictionary> sizes_;
4637
4638     BOOL substrate_;
4639 }
4640
4641 - (id) initWithDatabase:(Database *)database;
4642
4643 @end
4644
4645 @implementation ConfirmationController
4646
4647 - (void) complete {
4648     if (substrate_)
4649         RestartSubstrate_ = true;
4650     [self.delegate confirmWithNavigationController:[self navigationController]];
4651 }
4652
4653 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
4654     NSString *context([alert context]);
4655
4656     if ([context isEqualToString:@"remove"]) {
4657         if (button == [alert cancelButtonIndex])
4658             [self _doContinue];
4659         else if (button == [alert firstOtherButtonIndex]) {
4660             [self performSelector:@selector(complete) withObject:nil afterDelay:0];
4661         }
4662
4663         [alert dismissWithClickedButtonIndex:-1 animated:YES];
4664     } else if ([context isEqualToString:@"unable"]) {
4665         [self dismissModalViewControllerAnimated:YES];
4666         [alert dismissWithClickedButtonIndex:-1 animated:YES];
4667     } else {
4668         [super alertView:alert clickedButtonAtIndex:button];
4669     }
4670 }
4671
4672 - (void) _doContinue {
4673     [self.delegate cancelAndClear:NO];
4674     [self dismissModalViewControllerAnimated:YES];
4675 }
4676
4677 - (id) invokeDefaultMethodWithArguments:(NSArray *)args {
4678     [self performSelectorOnMainThread:@selector(_doContinue) withObject:nil waitUntilDone:NO];
4679     return nil;
4680 }
4681
4682 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4683     [super webView:view didClearWindowObject:window forFrame:frame];
4684
4685     [window setValue:[[NSDictionary dictionaryWithObjectsAndKeys:
4686         (id) changes_, @"changes",
4687         (id) issues_, @"issues",
4688         (id) sizes_, @"sizes",
4689         self, @"queue",
4690     nil] Cydia$webScriptObjectInContext:window] forKey:@"cydiaConfirm"];
4691 }
4692
4693 - (id) initWithDatabase:(Database *)database {
4694     if ((self = [super init]) != nil) {
4695         database_ = database;
4696
4697         NSMutableArray *installs([NSMutableArray arrayWithCapacity:16]);
4698         NSMutableArray *reinstalls([NSMutableArray arrayWithCapacity:16]);
4699         NSMutableArray *upgrades([NSMutableArray arrayWithCapacity:16]);
4700         NSMutableArray *downgrades([NSMutableArray arrayWithCapacity:16]);
4701         NSMutableArray *removes([NSMutableArray arrayWithCapacity:16]);
4702
4703         bool remove(false);
4704
4705         pkgCacheFile &cache([database_ cache]);
4706         NSArray *packages([database_ packages]);
4707         pkgDepCache::Policy *policy([database_ policy]);
4708
4709         issues_ = [NSMutableArray arrayWithCapacity:4];
4710
4711         for (Package *package in packages) {
4712             pkgCache::PkgIterator iterator([package iterator]);
4713             NSString *name([package id]);
4714
4715             if ([package broken]) {
4716                 NSMutableArray *reasons([NSMutableArray arrayWithCapacity:4]);
4717
4718                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4719                     name, @"package",
4720                     reasons, @"reasons",
4721                 nil]];
4722
4723                 pkgCache::VerIterator ver(cache[iterator].InstVerIter(cache));
4724                 if (ver.end())
4725                     continue;
4726
4727                 for (pkgCache::DepIterator dep(ver.DependsList()); !dep.end(); ) {
4728                     pkgCache::DepIterator start;
4729                     pkgCache::DepIterator end;
4730                     dep.GlobOr(start, end); // ++dep
4731
4732                     if (!cache->IsImportantDep(end))
4733                         continue;
4734                     if ((cache[end] & pkgDepCache::DepGInstall) != 0)
4735                         continue;
4736
4737                     NSMutableArray *clauses([NSMutableArray arrayWithCapacity:4]);
4738
4739                     [reasons addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4740                         [NSString stringWithUTF8String:start.DepType()], @"relationship",
4741                         clauses, @"clauses",
4742                     nil]];
4743
4744                     _forever {
4745                         NSString *reason, *installed((NSString *) [WebUndefined undefined]);
4746
4747                         pkgCache::PkgIterator target(start.TargetPkg());
4748                         if (target->ProvidesList != 0)
4749                             reason = @"missing";
4750                         else {
4751                             pkgCache::VerIterator ver(cache[target].InstVerIter(cache));
4752                             if (!ver.end()) {
4753                                 reason = @"installed";
4754                                 installed = [NSString stringWithUTF8String:ver.VerStr()];
4755                             } else if (!cache[target].CandidateVerIter(cache).end())
4756                                 reason = @"uninstalled";
4757                             else if (target->ProvidesList == 0)
4758                                 reason = @"uninstallable";
4759                             else
4760                                 reason = @"virtual";
4761                         }
4762
4763                         NSDictionary *version(start.TargetVer() == 0 ? (NSDictionary *) [NSNull null] : [NSDictionary dictionaryWithObjectsAndKeys:
4764                             [NSString stringWithUTF8String:start.CompType()], @"operator",
4765                             [NSString stringWithUTF8String:start.TargetVer()], @"value",
4766                         nil]);
4767
4768                         [clauses addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4769                             [NSString stringWithUTF8String:start.TargetPkg().Name()], @"package",
4770                             version, @"version",
4771                             reason, @"reason",
4772                             installed, @"installed",
4773                         nil]];
4774
4775                         // yes, seriously. (wtf?)
4776                         if (start == end)
4777                             break;
4778                         ++start;
4779                     }
4780                 }
4781             }
4782
4783             pkgDepCache::StateCache &state(cache[iterator]);
4784
4785             static RegEx special_r("(firmware|gsc\\..*|cy\\+.*)");
4786
4787             if (state.NewInstall())
4788                 [installs addObject:name];
4789             // XXX: else if (state.Install())
4790             else if (!state.Delete() && (state.iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall)
4791                 [reinstalls addObject:name];
4792             // XXX: move before previous if
4793             else if (state.Upgrade())
4794                 [upgrades addObject:name];
4795             else if (state.Downgrade())
4796                 [downgrades addObject:name];
4797             else if (!state.Delete())
4798                 // XXX: _assert(state.Keep());
4799                 continue;
4800             else if (special_r(name))
4801                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4802                     [NSNull null], @"package",
4803                     [NSArray arrayWithObjects:
4804                         [NSDictionary dictionaryWithObjectsAndKeys:
4805                             @"Conflicts", @"relationship",
4806                             [NSArray arrayWithObjects:
4807                                 [NSDictionary dictionaryWithObjectsAndKeys:
4808                                     name, @"package",
4809                                     [NSNull null], @"version",
4810                                     @"installed", @"reason",
4811                                 nil],
4812                             nil], @"clauses",
4813                         nil],
4814                     nil], @"reasons",
4815                 nil]];
4816             else {
4817                 if ([package essential])
4818                     remove = true;
4819                 [removes addObject:name];
4820             }
4821
4822             substrate_ |= DepSubstrate(policy->GetCandidateVer(iterator));
4823             substrate_ |= DepSubstrate(iterator.CurrentVer());
4824         }
4825
4826         if (!remove)
4827             essential_ = nil;
4828         else if (Advanced_) {
4829             NSString *parenthetical(UCLocalize("PARENTHETICAL"));
4830
4831             essential_ = [[[UIAlertView alloc]
4832                 initWithTitle:UCLocalize("REMOVING_ESSENTIALS")
4833                 message:UCLocalize("REMOVING_ESSENTIALS_EX")
4834                 delegate:self
4835                 cancelButtonTitle:[NSString stringWithFormat:parenthetical, UCLocalize("CANCEL_OPERATION"), UCLocalize("SAFE")]
4836                 otherButtonTitles:
4837                     [NSString stringWithFormat:parenthetical, UCLocalize("FORCE_REMOVAL"), UCLocalize("UNSAFE")],
4838                 nil
4839             ] autorelease];
4840
4841             [essential_ setContext:@"remove"];
4842             [essential_ setNumberOfRows:2];
4843         } else {
4844             essential_ = [[[UIAlertView alloc]
4845                 initWithTitle:UCLocalize("UNABLE_TO_COMPLY")
4846                 message:UCLocalize("UNABLE_TO_COMPLY_EX")
4847                 delegate:self
4848                 cancelButtonTitle:UCLocalize("OKAY")
4849                 otherButtonTitles:nil
4850             ] autorelease];
4851
4852             [essential_ setContext:@"unable"];
4853         }
4854
4855         changes_ = [NSDictionary dictionaryWithObjectsAndKeys:
4856             installs, @"installs",
4857             reinstalls, @"reinstalls",
4858             upgrades, @"upgrades",
4859             downgrades, @"downgrades",
4860             removes, @"removes",
4861         nil];
4862
4863         sizes_ = [NSDictionary dictionaryWithObjectsAndKeys:
4864             [NSNumber numberWithInteger:[database_ fetcher].FetchNeeded()], @"downloading",
4865             [NSNumber numberWithInteger:[database_ fetcher].PartialPresent()], @"resuming",
4866         nil];
4867
4868         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/confirm/", UI_]]];
4869     } return self;
4870 }
4871
4872 - (UIBarButtonItem *) leftButton {
4873     return [[[UIBarButtonItem alloc]
4874         initWithTitle:UCLocalize("CANCEL")
4875         style:UIBarButtonItemStylePlain
4876         target:self
4877         action:@selector(cancelButtonClicked)
4878     ] autorelease];
4879 }
4880
4881 #if !AlwaysReload
4882 - (void) applyRightButton {
4883     if ([issues_ count] == 0 && ![self isLoading])
4884         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
4885             initWithTitle:UCLocalize("CONFIRM")
4886             style:UIBarButtonItemStyleDone
4887             target:self
4888             action:@selector(confirmButtonClicked)
4889         ] autorelease]];
4890     else
4891         [[self navigationItem] setRightBarButtonItem:nil];
4892 }
4893 #endif
4894
4895 - (void) cancelButtonClicked {
4896     [self.delegate cancelAndClear:YES];
4897     [self dismissModalViewControllerAnimated:YES];
4898 }
4899
4900 #if !AlwaysReload
4901 - (void) confirmButtonClicked {
4902     if (essential_ != nil)
4903         [essential_ show];
4904     else
4905         [self complete];
4906 }
4907 #endif
4908
4909 @end
4910 /* }}} */
4911
4912 /* Progress Data {{{ */
4913 @interface CydiaProgressData : NSObject {
4914     _transient id delegate_;
4915
4916     bool running_;
4917     float percent_;
4918
4919     float current_;
4920     float total_;
4921     float speed_;
4922
4923     _H<NSMutableArray> events_;
4924     _H<NSString> title_;
4925
4926     _H<NSString> status_;
4927     _H<NSString> finish_;
4928 }
4929
4930 @end
4931
4932 @implementation CydiaProgressData
4933
4934 + (NSArray *) _attributeKeys {
4935     return [NSArray arrayWithObjects:
4936         @"current",
4937         @"events",
4938         @"finish",
4939         @"percent",
4940         @"running",
4941         @"speed",
4942         @"title",
4943         @"total",
4944     nil];
4945 }
4946
4947 - (NSArray *) attributeKeys {
4948     return [[self class] _attributeKeys];
4949 }
4950
4951 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
4952     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
4953 }
4954
4955 - (id) init {
4956     if ((self = [super init]) != nil) {
4957         events_ = [NSMutableArray arrayWithCapacity:32];
4958     } return self;
4959 }
4960
4961 - (id) delegate {
4962     return delegate_;
4963 }
4964
4965 - (void) setDelegate:(id)delegate {
4966     delegate_ = delegate;
4967 }
4968
4969 - (void) setPercent:(float)value {
4970     percent_ = value;
4971 }
4972
4973 - (NSNumber *) percent {
4974     return [NSNumber numberWithFloat:percent_];
4975 }
4976
4977 - (void) setCurrent:(float)value {
4978     current_ = value;
4979 }
4980
4981 - (NSNumber *) current {
4982     return [NSNumber numberWithFloat:current_];
4983 }
4984
4985 - (void) setTotal:(float)value {
4986     total_ = value;
4987 }
4988
4989 - (NSNumber *) total {
4990     return [NSNumber numberWithFloat:total_];
4991 }
4992
4993 - (void) setSpeed:(float)value {
4994     speed_ = value;
4995 }
4996
4997 - (NSNumber *) speed {
4998     return [NSNumber numberWithFloat:speed_];
4999 }
5000
5001 - (NSArray *) events {
5002     return events_;
5003 }
5004
5005 - (void) removeAllEvents {
5006     [events_ removeAllObjects];
5007 }
5008
5009 - (void) addEvent:(CydiaProgressEvent *)event {
5010     [events_ addObject:event];
5011 }
5012
5013 - (void) setTitle:(NSString *)text {
5014     title_ = text;
5015 }
5016
5017 - (NSString *) title {
5018     return title_;
5019 }
5020
5021 - (void) setFinish:(NSString *)text {
5022     finish_ = text;
5023 }
5024
5025 - (NSString *) finish {
5026     return (id) finish_ ?: [NSNull null];
5027 }
5028
5029 - (void) setRunning:(bool)running {
5030     running_ = running;
5031 }
5032
5033 - (NSNumber *) running {
5034     return running_ ? (NSNumber *) kCFBooleanTrue : (NSNumber *) kCFBooleanFalse;
5035 }
5036
5037 @end
5038 /* }}} */
5039 /* Progress Controller {{{ */
5040 @interface ProgressController : CydiaWebViewController <
5041     ProgressDelegate
5042 > {
5043     _transient Database *database_;
5044     _H<CydiaProgressData, 1> progress_;
5045     unsigned cancel_;
5046 }
5047
5048 - (id) initWithDatabase:(Database *)database delegate:(id)delegate;
5049
5050 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title;
5051
5052 - (void) setTitle:(NSString *)title;
5053 - (void) setCancellable:(bool)cancellable;
5054
5055 @end
5056
5057 @implementation ProgressController
5058
5059 - (void) dealloc {
5060     [database_ setProgressDelegate:nil];
5061     [super dealloc];
5062 }
5063
5064 - (UIBarButtonItem *) leftButton {
5065     return cancel_ == 1 ? [[[UIBarButtonItem alloc]
5066         initWithTitle:UCLocalize("CANCEL")
5067         style:UIBarButtonItemStylePlain
5068         target:self
5069         action:@selector(cancel)
5070     ] autorelease] : nil;
5071 }
5072
5073 - (void) updateCancel {
5074     [super applyLeftButton];
5075 }
5076
5077 - (id) initWithDatabase:(Database *)database delegate:(id)delegate {
5078     if ((self = [super init]) != nil) {
5079         database_ = database;
5080         self.delegate = delegate;
5081
5082         [database_ setProgressDelegate:self];
5083
5084         progress_ = [[[CydiaProgressData alloc] init] autorelease];
5085         [progress_ setDelegate:self];
5086
5087         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/progress/", UI_]]];
5088
5089         [self setPageColor:[UIColor blackColor]];
5090
5091         [[self navigationItem] setHidesBackButton:YES];
5092
5093         [self updateCancel];
5094     } return self;
5095 }
5096
5097 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
5098     [super webView:view didClearWindowObject:window forFrame:frame];
5099     [window setValue:progress_ forKey:@"cydiaProgress"];
5100 }
5101
5102 - (void) updateProgress {
5103     [self dispatchEvent:@"CydiaProgressUpdate"];
5104 }
5105
5106 - (void) viewWillAppear:(BOOL)animated {
5107     [[[self navigationController] navigationBar] setBarStyle:UIBarStyleBlack];
5108     [super viewWillAppear:animated];
5109 }
5110
5111 - (void) close {
5112     UpdateExternalStatus(0);
5113
5114     if (Finish_ > 1)
5115         [self.delegate saveState];
5116
5117     switch (Finish_) {
5118         case 0:
5119             [self.delegate returnToCydia];
5120         break;
5121
5122         case 1:
5123             [self.delegate terminateWithSuccess];
5124             /*if ([self.delegate respondsToSelector:@selector(suspendWithAnimation:)])
5125                 [self.delegate suspendWithAnimation:YES];
5126             else
5127                 [self.delegate suspend];*/
5128         break;
5129
5130         case 2:
5131             _trace();
5132             goto reload;
5133
5134         case 3:
5135             _trace();
5136             goto reload;
5137
5138         reload: {
5139             UIProgressHUD *hud([self.delegate addProgressHUD]);
5140             [hud setText:UCLocalize("LOADING")];
5141             [self.delegate performSelector:@selector(reloadSpringBoard) withObject:nil afterDelay:0.5];
5142             return;
5143         }
5144
5145         case 4:
5146             _trace();
5147             if (void (*SBReboot)(mach_port_t) = reinterpret_cast<void (*)(mach_port_t)>(dlsym(RTLD_DEFAULT, "SBReboot")))
5148                 SBReboot(SBSSpringBoardServerPort());
5149             else
5150                 reboot2(RB_AUTOBOOT);
5151         break;
5152     }
5153
5154     [super close];
5155 }
5156
5157 - (void) setTitle:(NSString *)title {
5158     [progress_ setTitle:title];
5159     [self updateProgress];
5160 }
5161
5162 - (UIBarButtonItem *) rightButton {
5163     return [[progress_ running] boolValue] ? [super rightButton] : [[[UIBarButtonItem alloc]
5164         initWithTitle:UCLocalize("CLOSE")
5165         style:UIBarButtonItemStylePlain
5166         target:self
5167         action:@selector(close)
5168     ] autorelease];
5169 }
5170
5171 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title {
5172     UpdateExternalStatus(1);
5173
5174     [progress_ setRunning:true];
5175     [self setTitle:title];
5176     // implicit updateProgress
5177
5178     SHA1SumValue notifyconf; {
5179         FileFd file;
5180         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
5181             _error->Discard();
5182         else {
5183             MMap mmap(file, MMap::ReadOnly);
5184             SHA1Summation sha1;
5185             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5186             notifyconf = sha1.Result();
5187         }
5188     }
5189
5190     SHA1SumValue springlist; {
5191         FileFd file;
5192         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
5193             _error->Discard();
5194         else {
5195             MMap mmap(file, MMap::ReadOnly);
5196             SHA1Summation sha1;
5197             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5198             springlist = sha1.Result();
5199         }
5200     }
5201
5202     if (invocation != nil) {
5203         [invocation yieldToSelector:@selector(invoke)];
5204         [self setTitle:@"COMPLETE"];
5205     }
5206
5207     if (Finish_ < 4) {
5208         FileFd file;
5209         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
5210             _error->Discard();
5211         else {
5212             MMap mmap(file, MMap::ReadOnly);
5213             SHA1Summation sha1;
5214             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5215             if (!(notifyconf == sha1.Result()))
5216                 Finish_ = 4;
5217         }
5218     }
5219
5220     if (Finish_ < 3) {
5221         FileFd file;
5222         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
5223             _error->Discard();
5224         else {
5225             MMap mmap(file, MMap::ReadOnly);
5226             SHA1Summation sha1;
5227             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5228             if (!(springlist == sha1.Result()))
5229                 Finish_ = 3;
5230         }
5231     }
5232
5233     if (Finish_ < 2) {
5234         if (RestartSubstrate_)
5235             Finish_ = 2;
5236     }
5237
5238     RestartSubstrate_ = false;
5239
5240     switch (Finish_) {
5241         case 0: [progress_ setFinish:UCLocalize("RETURN_TO_CYDIA")]; break; /* XXX: Maybe UCLocalize("DONE")? */
5242         case 1: [progress_ setFinish:UCLocalize("CLOSE_CYDIA")]; break;
5243         case 2: [progress_ setFinish:UCLocalize("RESTART_SPRINGBOARD")]; break;
5244         case 3: [progress_ setFinish:UCLocalize("RELOAD_SPRINGBOARD")]; break;
5245         case 4: [progress_ setFinish:UCLocalize("REBOOT_DEVICE")]; break;
5246     }
5247
5248     UpdateExternalStatus(Finish_ == 0 ? 0 : 2);
5249
5250     [progress_ setRunning:false];
5251     [self updateProgress];
5252
5253     [self applyRightButton];
5254 }
5255
5256 - (void) addProgressEvent:(CydiaProgressEvent *)event {
5257     [progress_ addEvent:event];
5258     [self updateProgress];
5259 }
5260
5261 - (bool) isProgressCancelled {
5262     return cancel_ == 2;
5263 }
5264
5265 - (void) cancel {
5266     cancel_ = 2;
5267     [self updateCancel];
5268 }
5269
5270 - (void) setCancellable:(bool)cancellable {
5271     unsigned cancel(cancel_);
5272
5273     if (!cancellable)
5274         cancel_ = 0;
5275     else if (cancel_ == 0)
5276         cancel_ = 1;
5277
5278     if (cancel != cancel_)
5279         [self updateCancel];
5280 }
5281
5282 - (void) setProgressCancellable:(NSNumber *)cancellable {
5283     [self setCancellable:[cancellable boolValue]];
5284 }
5285
5286 - (void) setProgressPercent:(NSNumber *)percent {
5287     [progress_ setPercent:[percent floatValue]];
5288     [self updateProgress];
5289 }
5290
5291 - (void) setProgressStatus:(NSDictionary *)status {
5292     if (status == nil) {
5293         [progress_ setCurrent:0];
5294         [progress_ setTotal:0];
5295         [progress_ setSpeed:0];
5296     } else {
5297         [progress_ setPercent:[[status objectForKey:@"Percent"] floatValue]];
5298
5299         [progress_ setCurrent:[[status objectForKey:@"Current"] floatValue]];
5300         [progress_ setTotal:[[status objectForKey:@"Total"] floatValue]];
5301         [progress_ setSpeed:[[status objectForKey:@"Speed"] floatValue]];
5302     }
5303
5304     [self updateProgress];
5305 }
5306
5307 @end
5308 /* }}} */
5309
5310 /* Package Cell {{{ */
5311 @interface PackageCell : CyteTableViewCell <
5312     CyteTableViewCellDelegate
5313 > {
5314     _H<UIImage> icon_;
5315     _H<NSString> name_;
5316     _H<NSString> description_;
5317     bool commercial_;
5318     _H<NSString> source_;
5319     _H<UIImage> badge_;
5320     _H<UIImage> placard_;
5321     bool summarized_;
5322 }
5323
5324 - (PackageCell *) init;
5325 - (void) setPackage:(Package *)package asSummary:(bool)summary;
5326
5327 - (void) drawContentRect:(CGRect)rect;
5328
5329 @end
5330
5331 @implementation PackageCell
5332
5333 - (PackageCell *) init {
5334     CGRect frame(CGRectMake(0, 0, 320, 74));
5335     if ((self = [super initWithFrame:frame reuseIdentifier:@"Package"]) != nil) {
5336         [self.content setOpaque:YES];
5337     } return self;
5338 }
5339
5340 - (NSString *) accessibilityLabel {
5341     return name_;
5342 }
5343
5344 - (void) setPackage:(Package *)package asSummary:(bool)summary {
5345     summarized_ = summary;
5346
5347     icon_ = nil;
5348     name_ = nil;
5349     description_ = nil;
5350     source_ = nil;
5351     badge_ = nil;
5352     placard_ = nil;
5353
5354     if (package == nil)
5355         [self.content setBackgroundColor:[UIColor whiteColor]];
5356     else {
5357         [package parse];
5358
5359         Source *source = [package source];
5360
5361         icon_ = [package icon];
5362
5363         if (NSString *name = [package name])
5364             name_ = [NSString stringWithString:name];
5365
5366         if (NSString *description = [package shortDescription])
5367             description_ = [NSString stringWithString:description];
5368
5369         commercial_ = [package isCommercial];
5370
5371         NSString *label = nil;
5372         bool trusted = false;
5373
5374         if (source != nil) {
5375             label = [source label];
5376             trusted = [source trusted];
5377         } else if ([[package id] isEqualToString:@"firmware"])
5378             label = UCLocalize("APPLE");
5379         else
5380             label = [NSString stringWithFormat:UCLocalize("SLASH_DELIMITED"), UCLocalize("UNKNOWN"), UCLocalize("LOCAL")];
5381
5382         NSString *from(label);
5383
5384         NSString *section = [package simpleSection];
5385         if (section != nil && ![section isEqualToString:label]) {
5386             section = [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
5387             from = [NSString stringWithFormat:UCLocalize("PARENTHETICAL"), from, section];
5388         }
5389
5390         source_ = [NSString stringWithFormat:UCLocalize("FROM"), from];
5391
5392         if (NSString *purpose = [package primaryPurpose])
5393             badge_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Purposes/%@.png", App_, purpose]];
5394
5395         UIColor *color;
5396         NSString *placard;
5397
5398         if (NSString *mode = [package mode]) {
5399             if ([mode isEqualToString:@"REMOVE"] || [mode isEqualToString:@"PURGE"]) {
5400                 color = RemovingColor_;
5401                 placard = @"removing";
5402             } else {
5403                 color = InstallingColor_;
5404                 placard = @"installing";
5405             }
5406         } else {
5407             color = [UIColor whiteColor];
5408
5409             if ([package installed] != nil)
5410                 placard = @"installed";
5411             else
5412                 placard = nil;
5413         }
5414
5415         [self.content setBackgroundColor:color];
5416
5417         if (placard != nil)
5418             placard_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/%@.png", App_, placard]];
5419     }
5420
5421     [self setNeedsDisplay];
5422     [self.content setNeedsDisplay];
5423 }
5424
5425 - (void) drawSummaryContentRect:(CGRect)rect {
5426     bool highlighted(self.highlighted);
5427     float width([self bounds].size.width);
5428
5429     if (icon_ != nil) {
5430         CGRect rect;
5431         rect.size = [(UIImage *) icon_ size];
5432
5433         while (rect.size.width > 16 || rect.size.height > 16) {
5434             rect.size.width /= 2;
5435             rect.size.height /= 2;
5436         }
5437
5438         rect.origin.x = 19 - rect.size.width / 2;
5439         rect.origin.y = 19 - rect.size.height / 2;
5440
5441         [icon_ drawInRect:Retina(rect)];
5442     }
5443
5444     if (badge_ != nil) {
5445         CGRect rect;
5446         rect.size = [(UIImage *) badge_ size];
5447
5448         rect.size.width /= 4;
5449         rect.size.height /= 4;
5450
5451         rect.origin.x = 25 - rect.size.width / 2;
5452         rect.origin.y = 25 - rect.size.height / 2;
5453
5454         [badge_ drawInRect:Retina(rect)];
5455     }
5456
5457     if (highlighted && kCFCoreFoundationVersionNumber < 800)
5458         UISetColor(White_);
5459
5460     if (!highlighted)
5461         UISetColor(commercial_ ? Purple_ : Black_);
5462     [name_ drawAtPoint:CGPointMake(36, 8) forWidth:(width - (placard_ == nil ? 68 : 94)) withFont:Font18Bold_ lineBreakMode:NSLineBreakByTruncatingTail];
5463
5464     if (placard_ != nil)
5465         [placard_ drawAtPoint:CGPointMake(width - 52, 11)];
5466 }
5467
5468 - (void) drawNormalContentRect:(CGRect)rect {
5469     bool highlighted(self.highlighted);
5470     float width([self bounds].size.width);
5471
5472     if (icon_ != nil) {
5473         CGRect rect;
5474         rect.size = [(UIImage *) icon_ size];
5475
5476         while (rect.size.width > 32 || rect.size.height > 32) {
5477             rect.size.width /= 2;
5478             rect.size.height /= 2;
5479         }
5480
5481         rect.origin.x = 25 - rect.size.width / 2;
5482         rect.origin.y = 25 - rect.size.height / 2;
5483
5484         [icon_ drawInRect:Retina(rect)];
5485     }
5486
5487     if (badge_ != nil) {
5488         CGRect rect;
5489         rect.size = [(UIImage *) badge_ size];
5490
5491         rect.size.width /= 2;
5492         rect.size.height /= 2;
5493
5494         rect.origin.x = 36 - rect.size.width / 2;
5495         rect.origin.y = 36 - rect.size.height / 2;
5496
5497         [badge_ drawInRect:Retina(rect)];
5498     }
5499
5500     if (highlighted && kCFCoreFoundationVersionNumber < 800)
5501         UISetColor(White_);
5502
5503     if (!highlighted)
5504         UISetColor(commercial_ ? Purple_ : Black_);
5505     [name_ drawAtPoint:CGPointMake(48, 8) forWidth:(width - (placard_ == nil ? 80 : 106)) withFont:Font18Bold_ lineBreakMode:NSLineBreakByTruncatingTail];
5506     [source_ drawAtPoint:CGPointMake(58, 29) forWidth:(width - 95) withFont:Font12_ lineBreakMode:NSLineBreakByTruncatingTail];
5507
5508     if (!highlighted)
5509         UISetColor(commercial_ ? Purplish_ : Gray_);
5510     [description_ drawAtPoint:CGPointMake(12, 46) forWidth:(width - 46) withFont:Font14_ lineBreakMode:NSLineBreakByTruncatingTail];
5511
5512     if (placard_ != nil)
5513         [placard_ drawAtPoint:CGPointMake(width - 52, 9)];
5514 }
5515
5516 - (void) drawContentRect:(CGRect)rect {
5517     if (summarized_)
5518         [self drawSummaryContentRect:rect];
5519     else
5520         [self drawNormalContentRect:rect];
5521 }
5522
5523 @end
5524 /* }}} */
5525 /* Section Cell {{{ */
5526 @interface SectionCell : CyteTableViewCell <
5527     CyteTableViewCellDelegate
5528 > {
5529     _H<NSString> basic_;
5530     _H<NSString> section_;
5531     _H<NSString> name_;
5532     _H<NSString> count_;
5533     _H<UIImage> icon_;
5534     _H<UISwitch> switch_;
5535     BOOL editing_;
5536 }
5537
5538 - (void) setSection:(Section *)section editing:(BOOL)editing;
5539
5540 @end
5541
5542 @implementation SectionCell
5543
5544 - (id) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
5545     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
5546         icon_ = [UIImage imageNamed:@"folder.png"];
5547         // XXX: this initial frame is wrong, but is fixed later
5548         switch_ = [[[UISwitch alloc] initWithFrame:CGRectMake(218, 9, 60, 25)] autorelease];
5549         [switch_ addTarget:self action:@selector(onSwitch:) forEvents:UIControlEventValueChanged];
5550
5551         [self.content setBackgroundColor:[UIColor whiteColor]];
5552     } return self;
5553 }
5554
5555 - (void) onSwitch:(id)sender {
5556     NSMutableDictionary *metadata([Sections_ objectForKey:basic_]);
5557     if (metadata == nil) {
5558         metadata = [NSMutableDictionary dictionaryWithCapacity:2];
5559         [Sections_ setObject:metadata forKey:basic_];
5560     }
5561
5562     [metadata setObject:[NSNumber numberWithBool:([switch_ isOn] == NO)] forKey:@"Hidden"];
5563 }
5564
5565 - (void) setSection:(Section *)section editing:(BOOL)editing {
5566     if (editing != editing_) {
5567         if (editing_)
5568             [switch_ removeFromSuperview];
5569         else
5570             [self addSubview:switch_];
5571         editing_ = editing;
5572     }
5573
5574     basic_ = nil;
5575     section_ = nil;
5576     name_ = nil;
5577     count_ = nil;
5578
5579     if (section == nil) {
5580         name_ = UCLocalize("ALL_PACKAGES");
5581         count_ = nil;
5582     } else {
5583         basic_ = [section name];
5584         section_ = [section localized];
5585
5586         name_  = section_ == nil || [section_ length] == 0 ? UCLocalize("NO_SECTION") : (NSString *) section_;
5587         count_ = [NSString stringWithFormat:@"%zd", [section count]];
5588
5589         if (editing_)
5590             [switch_ setOn:(isSectionVisible(basic_) ? 1 : 0) animated:NO];
5591     }
5592
5593     [self setAccessoryType:editing ? UITableViewCellAccessoryNone : UITableViewCellAccessoryDisclosureIndicator];
5594     [self setSelectionStyle:editing ? UITableViewCellSelectionStyleNone : UITableViewCellSelectionStyleBlue];
5595
5596     [self.content setNeedsDisplay];
5597 }
5598
5599 - (void) setFrame:(CGRect)frame {
5600     [super setFrame:frame];
5601
5602     CGRect rect([switch_ frame]);
5603     [switch_ setFrame:CGRectMake(frame.size.width - rect.size.width - 9, 9, rect.size.width, rect.size.height)];
5604 }
5605
5606 - (NSString *) accessibilityLabel {
5607     return name_;
5608 }
5609
5610 - (void) drawContentRect:(CGRect)rect {
5611     bool highlighted(self.highlighted && !editing_);
5612
5613     [icon_ drawInRect:CGRectMake(7, 7, 32, 32)];
5614
5615     if (highlighted && kCFCoreFoundationVersionNumber < 800)
5616         UISetColor(White_);
5617
5618     float width(rect.size.width);
5619     if (editing_)
5620         width -= 9 + [switch_ frame].size.width;
5621
5622     if (!highlighted)
5623         UISetColor(Black_);
5624     [name_ drawAtPoint:CGPointMake(48, 12) forWidth:(width - 58) withFont:Font18_ lineBreakMode:NSLineBreakByTruncatingTail];
5625
5626     CGSize size = [count_ sizeWithFont:Font14_];
5627
5628     UISetColor(Folder_);
5629     if (count_ != nil)
5630         [count_ drawAtPoint:CGPointMake(Retina(10 + (30 - size.width) / 2), 18) withFont:Font12Bold_];
5631 }
5632
5633 @end
5634 /* }}} */
5635
5636 /* File Table {{{ */
5637 @interface FileTable : CyteListController <
5638     UITableViewDataSource,
5639     UITableViewDelegate
5640 > {
5641     _transient Database *database_;
5642     _H<Package> package_;
5643     _H<NSString> name_;
5644     _H<NSMutableArray> files_;
5645 }
5646
5647 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name;
5648
5649 @end
5650
5651 @implementation FileTable
5652
5653 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
5654     return files_ == nil ? 0 : [files_ count];
5655 }
5656
5657 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
5658     return 24.0f;
5659 }*/
5660
5661 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
5662     static NSString *reuseIdentifier = @"Cell";
5663
5664     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
5665     if (cell == nil) {
5666         cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
5667         [cell setFont:[UIFont systemFontOfSize:16]];
5668     }
5669     [cell setText:[files_ objectAtIndex:indexPath.row]];
5670     [cell setSelectionStyle:UITableViewCellSelectionStyleNone];
5671
5672     return cell;
5673 }
5674
5675 - (NSURL *) navigationURL {
5676     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/files", [package_ id]]];
5677 }
5678
5679 - (CGFloat) rowHeight {
5680     return 24;
5681 }
5682
5683 - (void) releaseSubviews {
5684     package_ = nil;
5685     files_ = nil;
5686
5687     [super releaseSubviews];
5688 }
5689
5690 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name {
5691     if ((self = [super initWithTitle:UCLocalize("INSTALLED_FILES")]) != nil) {
5692         database_ = database;
5693         name_ = name;
5694     } return self;
5695 }
5696
5697 - (bool) shouldYield {
5698     return false;
5699 }
5700
5701 - (void) _reloadData {
5702     files_ = nil;
5703
5704     package_ = [database_ packageWithName:name_];
5705     if (package_ != nil) {
5706         files_ = [NSMutableArray arrayWithCapacity:32];
5707
5708         if (NSArray *files = [package_ files])
5709             [files_ addObjectsFromArray:files];
5710
5711         if ([files_ count] != 0) {
5712             if ([[files_ objectAtIndex:0] isEqualToString:@"/."])
5713                 [files_ removeObjectAtIndex:0];
5714             [files_ sortUsingSelector:@selector(compareByPath:)];
5715
5716             NSMutableArray *stack = [NSMutableArray arrayWithCapacity:8];
5717             [stack addObject:@"/"];
5718
5719             for (int i(0), e([files_ count]); i != e; ++i) {
5720                 NSString *file = [files_ objectAtIndex:i];
5721                 while (![file hasPrefix:[stack lastObject]])
5722                     [stack removeLastObject];
5723                 NSString *directory = [stack lastObject];
5724                 [stack addObject:[file stringByAppendingString:@"/"]];
5725                 [files_ replaceObjectAtIndex:i withObject:[NSString stringWithFormat:@"%*s%@",
5726                     int(([stack count] - 2) * 3), "",
5727                     [file substringFromIndex:[directory length]]
5728                 ]];
5729             }
5730         }
5731     }
5732
5733     [super _reloadData];
5734 }
5735
5736 @end
5737 /* }}} */
5738 /* Package Controller {{{ */
5739 @interface CYPackageController : CydiaWebViewController <
5740     UIActionSheetDelegate
5741 > {
5742     _transient Database *database_;
5743     _H<Package> package_;
5744     _H<NSString> name_;
5745     bool commercial_;
5746     std::vector<std::pair<_H<NSString>, _H<NSString>>> buttons_;
5747     _H<UIActionSheet> sheet_;
5748     _H<UIBarButtonItem> button_;
5749     _H<NSArray> versions_;
5750 }
5751
5752 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name withReferrer:(NSString *)referrer;
5753
5754 @end
5755
5756 @implementation CYPackageController
5757
5758 - (NSURL *) navigationURL {
5759     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@", (id) name_]];
5760 }
5761
5762 - (void) _clickButtonWithPackage:(Package *)package {
5763     [self.delegate installPackage:package];
5764 }
5765
5766 - (void) _clickButtonWithName:(NSString *)name {
5767     if ([name isEqualToString:@"CLEAR"])
5768         return [self.delegate clearPackage:package_];
5769     else if ([name isEqualToString:@"REMOVE"])
5770         return [self.delegate removePackage:package_];
5771     else if ([name isEqualToString:@"DOWNGRADE"]) {
5772         sheet_ = [[[UIActionSheet alloc]
5773             initWithTitle:nil
5774             delegate:self
5775             cancelButtonTitle:nil
5776             destructiveButtonTitle:nil
5777             otherButtonTitles:nil
5778         ] autorelease];
5779
5780         for (Package *version in (id) versions_)
5781             [sheet_ addButtonWithTitle:[version latest]];
5782         [sheet_ setContext:@"version"];
5783
5784         [self.delegate showActionSheet:sheet_ fromItem:[[self navigationItem] rightBarButtonItem]];
5785         return;
5786     }
5787
5788     else if ([name isEqualToString:@"INSTALL"]);
5789     else if ([name isEqualToString:@"REINSTALL"]);
5790     else if ([name isEqualToString:@"UPGRADE"]);
5791     else _assert(false);
5792
5793     [self.delegate installPackage:package_];
5794 }
5795
5796 - (void) actionSheet:(UIActionSheet *)sheet clickedButtonAtIndex:(NSInteger)button {
5797     NSString *context([sheet context]);
5798     if (sheet_ == sheet)
5799         sheet_ = nil;
5800
5801     if ([context isEqualToString:@"modify"]) {
5802         if (button != [sheet cancelButtonIndex]) {
5803             if (IsWildcat_)
5804                 [self performSelector:@selector(_clickButtonWithName:) withObject:buttons_[button].first afterDelay:0];
5805             else
5806                 [self _clickButtonWithName:buttons_[button].first];
5807         }
5808
5809         [sheet dismissWithClickedButtonIndex:button animated:YES];
5810     } else if ([context isEqualToString:@"version"]) {
5811         if (button != [sheet cancelButtonIndex]) {
5812             Package *version([versions_ objectAtIndex:button]);
5813             if (IsWildcat_)
5814                 [self performSelector:@selector(_clickButtonWithPackage:) withObject:version afterDelay:0];
5815             else
5816                 [self _clickButtonWithPackage:version];
5817         }
5818
5819         [sheet dismissWithClickedButtonIndex:button animated:YES];
5820     }
5821 }
5822
5823 - (bool) _allowJavaScriptPanel {
5824     return commercial_;
5825 }
5826
5827 #if !AlwaysReload
5828 - (void) _customButtonClicked {
5829     if (commercial_ && self.isLoading && [package_ uninstalled])
5830         return [self reloadURLWithCache:NO];
5831
5832     size_t count(buttons_.size());
5833     if (count == 0)
5834         return;
5835
5836     if (count == 1)
5837         [self _clickButtonWithName:buttons_[0].first];
5838     else {
5839         NSMutableArray *buttons = [NSMutableArray arrayWithCapacity:count];
5840         for (const auto &button : buttons_)
5841             [buttons addObject:button.second];
5842
5843         sheet_ = [[[UIActionSheet alloc]
5844             initWithTitle:nil
5845             delegate:self
5846             cancelButtonTitle:nil
5847             destructiveButtonTitle:nil
5848             otherButtonTitles:nil
5849         ] autorelease];
5850
5851         for (NSString *button in buttons)
5852             [sheet_ addButtonWithTitle:button];
5853         [sheet_ setContext:@"modify"];
5854
5855         [self.delegate showActionSheet:sheet_ fromItem:[[self navigationItem] rightBarButtonItem]];
5856     }
5857 }
5858
5859 - (void) applyLoadingTitle {
5860     // Don't show "Loading" as the title. Ever.
5861 }
5862
5863 - (UIBarButtonItem *) rightButton {
5864     return button_;
5865 }
5866 #endif
5867
5868 - (void) setPageColor:(UIColor *)color {
5869     return [super setPageColor:nil];
5870 }
5871
5872 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name withReferrer:(NSString *)referrer {
5873     if ((self = [super init]) != nil) {
5874         database_ = database;
5875         name_ = name == nil ? @"" : [NSString stringWithString:name];
5876         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/package/%@", UI_, (id) name_]] withReferrer:referrer];
5877     } return self;
5878 }
5879
5880 - (void) reloadData {
5881     [super reloadData];
5882
5883     [sheet_ dismissWithClickedButtonIndex:[sheet_ cancelButtonIndex] animated:YES];
5884     sheet_ = nil;
5885
5886     package_ = [database_ packageWithName:name_];
5887     versions_ = [package_ downgrades];
5888
5889     buttons_.clear();
5890
5891     if (package_ != nil) {
5892         [(Package *) package_ parse];
5893
5894         commercial_ = [package_ isCommercial];
5895
5896         if ([package_ mode] != nil)
5897             buttons_.push_back(std::make_pair(@"CLEAR", UCLocalize("CLEAR")));
5898         if ([package_ source] == nil);
5899         else if ([package_ upgradableAndEssential:NO])
5900             buttons_.push_back(std::make_pair(@"UPGRADE", UCLocalize("UPGRADE")));
5901         else if ([package_ uninstalled])
5902             buttons_.push_back(std::make_pair(@"INSTALL", UCLocalize("INSTALL")));
5903         else
5904             buttons_.push_back(std::make_pair(@"REINSTALL", UCLocalize("REINSTALL")));
5905         if (![package_ uninstalled])
5906             buttons_.push_back(std::make_pair(@"REMOVE", UCLocalize("REMOVE")));
5907         if ([versions_ count] != 0)
5908             buttons_.push_back(std::make_pair(@"DOWNGRADE", UCLocalize("DOWNGRADE")));
5909     }
5910
5911     NSString *title;
5912     switch (buttons_.size()) {
5913         case 0: title = nil; break;
5914         case 1: title = buttons_[0].second; break;
5915         default: title = UCLocalize("MODIFY"); break;
5916     }
5917
5918     button_ = [[[UIBarButtonItem alloc]
5919         initWithTitle:title
5920         style:UIBarButtonItemStylePlain
5921         target:self
5922         action:@selector(customButtonClicked)
5923     ] autorelease];
5924 }
5925
5926 - (bool) isLoading {
5927     return commercial_ ? [super isLoading] : false;
5928 }
5929
5930 @end
5931 /* }}} */
5932
5933 /* Package List Controller {{{ */
5934 @interface PackageListController : CyteListController <
5935     UITableViewDataSource,
5936     UITableViewDelegate
5937 > {
5938     _transient Database *database_;
5939     unsigned era_;
5940     _H<NSArray> packages_;
5941     _H<NSArray> sections_;
5942
5943     _H<NSArray> thumbs_;
5944     std::vector<NSInteger> offset_;
5945
5946     unsigned reloading_;
5947 }
5948
5949 - (id) initWithDatabase:(Database *)database title:(NSString *)title;
5950
5951 - (NSArray *) sectionsForPackages:(NSMutableArray *)packages;
5952
5953 @end
5954
5955 @implementation PackageListController
5956
5957 - (NSURL *) referrerURL {
5958     return [self navigationURL];
5959 }
5960
5961 - (bool) isSummarized {
5962     return false;
5963 }
5964
5965 - (bool) showsSections {
5966     return true;
5967 }
5968
5969 - (void) didSelectPackage:(Package *)package {
5970     CYPackageController *view([[[CYPackageController alloc] initWithDatabase:database_ forPackage:[package id] withReferrer:[[self referrerURL] absoluteString]] autorelease]);
5971     [view setDelegate:self.delegate];
5972     [[self navigationController] pushViewController:view animated:YES];
5973 }
5974
5975 - (NSInteger) numberOfSectionsInTableView:(UITableView *)list {
5976     NSInteger count([sections_ count]);
5977     return count == 0 ? 1 : count;
5978 }
5979
5980 - (NSString *) tableView:(UITableView *)list titleForHeaderInSection:(NSInteger)section {
5981     if ([sections_ count] == 0 || [[sections_ objectAtIndex:section] count] == 0)
5982         return nil;
5983     return [[sections_ objectAtIndex:section] name];
5984 }
5985
5986 - (NSInteger) tableView:(UITableView *)list numberOfRowsInSection:(NSInteger)section {
5987     if ([sections_ count] == 0)
5988         return 0;
5989     return [[sections_ objectAtIndex:section] count];
5990 }
5991
5992 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
5993 @synchronized (database_) {
5994     if ([database_ era] != era_)
5995         return nil;
5996
5997     Section *section([sections_ objectAtIndex:[path section]]);
5998     NSInteger row([path row]);
5999     Package *package([packages_ objectAtIndex:([section row] + row)]);
6000     return [[package retain] autorelease];
6001 } }
6002
6003 - (UITableViewCell *) tableView:(UITableView *)table cellForRowAtIndexPath:(NSIndexPath *)path {
6004     PackageCell *cell((PackageCell *) [table dequeueReusableCellWithIdentifier:@"Package"]);
6005     if (cell == nil)
6006         cell = [[[PackageCell alloc] init] autorelease];
6007
6008     Package *package([database_ packageWithName:[[self packageAtIndexPath:path] id]]);
6009     [cell setPackage:package asSummary:[self isSummarized]];
6010     return cell;
6011 }
6012
6013 - (void) tableView:(UITableView *)table didSelectRowAtIndexPath:(NSIndexPath *)path {
6014     Package *package([self packageAtIndexPath:path]);
6015     package = [database_ packageWithName:[package id]];
6016     [self didSelectPackage:package];
6017 }
6018
6019 - (NSArray *) sectionIndexTitlesForTableView:(UITableView *)tableView {
6020     return thumbs_;
6021 }
6022
6023 - (NSInteger) tableView:(UITableView *)tableView sectionForSectionIndexTitle:(NSString *)title atIndex:(NSInteger)index {
6024     return offset_[index];
6025 }
6026
6027 - (CGFloat) rowHeight {
6028     return [self isSummarized] ? 38 : 73;
6029 }
6030
6031 - (id) initWithDatabase:(Database *)database title:(NSString *)title {
6032     if ((self = [super initWithTitle:title]) != nil) {
6033         database_ = database;
6034     } return self;
6035 }
6036
6037 - (void) releaseSubviews {
6038     packages_ = nil;
6039     sections_ = nil;
6040
6041     thumbs_ = nil;
6042     offset_.clear();
6043
6044     [super releaseSubviews];
6045 }
6046
6047 - (bool) shouldBlock {
6048     return false;
6049 }
6050
6051 - (NSMutableArray *) _reloadPackages {
6052 @synchronized (database_) {
6053     era_ = [database_ era];
6054     NSArray *packages([database_ packages]);
6055
6056     return [NSMutableArray arrayWithArray:packages];
6057 } }
6058
6059 - (void) _reloadData {
6060     if (reloading_ != 0) {
6061         reloading_ = 2;
6062         return;
6063     }
6064
6065     NSMutableArray *packages;
6066
6067   reload:
6068     if ([self shouldYield]) {
6069         do {
6070             UIProgressHUD *hud;
6071
6072             if (![self shouldBlock])
6073                 hud = nil;
6074             else {
6075                 hud = [self.delegate addProgressHUD];
6076                 [hud setText:UCLocalize("LOADING")];
6077             }
6078
6079             reloading_ = 1;
6080             packages = [self yieldToSelector:@selector(_reloadPackages)];
6081
6082             if (hud != nil)
6083                 [self.delegate removeProgressHUD:hud];
6084         } while (reloading_ == 2);
6085     } else {
6086         packages = [self _reloadPackages];
6087     }
6088
6089 @synchronized (database_) {
6090     if (era_ != [database_ era])
6091         goto reload;
6092     reloading_ = 0;
6093
6094     thumbs_ = nil;
6095     offset_.clear();
6096
6097     packages_ = packages;
6098
6099     if ([self showsSections])
6100         sections_ = [self sectionsForPackages:packages];
6101     else {
6102         Section *section([[[Section alloc] initWithName:nil row:0 localize:NO] autorelease]);
6103         [section setCount:[packages_ count]];
6104         sections_ = [NSArray arrayWithObject:section];
6105     }
6106
6107     [super _reloadData];
6108 }
6109
6110     PrintTimes();
6111 }
6112
6113 - (NSArray *) sectionsForPackages:(NSMutableArray *)packages {
6114     Section *prefix([[[Section alloc] initWithName:nil row:0 localize:NO] autorelease]);
6115     size_t end([packages count]);
6116
6117     NSMutableArray *sections([NSMutableArray arrayWithCapacity:16]);
6118     Section *section(prefix);
6119
6120     thumbs_ = CollationThumbs_;
6121     offset_ = CollationOffset_;
6122
6123     size_t offset(0);
6124     size_t offsets([CollationStarts_ count]);
6125
6126     NSString *start([CollationStarts_ objectAtIndex:offset]);
6127     size_t length([start length]);
6128
6129     for (size_t index(0); index != end; ++index) {
6130         if (start != nil) {
6131             Package *package([packages objectAtIndex:index]);
6132             NSString *name(PackageName(package, @selector(cyname)));
6133
6134             //while ([start compare:name options:NSNumericSearch range:NSMakeRange(0, length) locale:CollationLocale_] != NSOrderedDescending) {
6135             while (StringNameCompare(start, name, length) != kCFCompareGreaterThan) {
6136                 NSString *title([CollationTitles_ objectAtIndex:offset]);
6137                 section = [[[Section alloc] initWithName:title row:index localize:NO] autorelease];
6138                 [sections addObject:section];
6139
6140                 start = ++offset == offsets ? nil : [CollationStarts_ objectAtIndex:offset];
6141                 if (start == nil)
6142                     break;
6143                 length = [start length];
6144             }
6145         }
6146
6147         [section addToCount];
6148     }
6149
6150     for (; offset != offsets; ++offset) {
6151         NSString *title([CollationTitles_ objectAtIndex:offset]);
6152         Section *section([[[Section alloc] initWithName:title row:end localize:NO] autorelease]);
6153         [sections addObject:section];
6154     }
6155
6156     if ([prefix count] != 0) {
6157         Section *suffix([sections lastObject]);
6158         [prefix setName:[suffix name]];
6159         [suffix setName:nil];
6160         [sections insertObject:prefix atIndex:(offsets - 1)];
6161     }
6162
6163     return sections;
6164 }
6165
6166 @end
6167 /* }}} */
6168 /* Filtered Package List Controller {{{ */
6169 typedef Function<bool, Package *> PackageFilter;
6170 typedef Function<void, NSMutableArray *> PackageSorter;
6171 @interface FilteredPackageListController : PackageListController {
6172     PackageFilter filter_;
6173     PackageSorter sorter_;
6174 }
6175
6176 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(PackageFilter)filter;
6177
6178 - (void) setFilter:(PackageFilter)filter;
6179 - (void) setSorter:(PackageSorter)sorter;
6180
6181 @end
6182
6183 @implementation FilteredPackageListController
6184
6185 - (void) setFilter:(PackageFilter)filter {
6186 @synchronized (self) {
6187     filter_ = filter;
6188 } }
6189
6190 - (void) setSorter:(PackageSorter)sorter {
6191 @synchronized (self) {
6192     sorter_ = sorter;
6193 } }
6194
6195 - (NSMutableArray *) _reloadPackages {
6196 @synchronized (database_) {
6197     era_ = [database_ era];
6198
6199     NSArray *packages([database_ packages]);
6200     NSMutableArray *filtered([NSMutableArray arrayWithCapacity:[packages count]]);
6201
6202     PackageFilter filter;
6203     PackageSorter sorter;
6204
6205     @synchronized (self) {
6206         filter = filter_;
6207         sorter = sorter_;
6208     }
6209
6210     _profile(PackageTable$reloadData$Filter)
6211         for (Package *package in packages)
6212             if (filter(package))
6213                 [filtered addObject:package];
6214     _end
6215
6216     if (sorter)
6217         sorter(filtered);
6218     return filtered;
6219 } }
6220
6221 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(PackageFilter)filter {
6222     if ((self = [super initWithDatabase:database title:title]) != nil) {
6223         [self setFilter:filter];
6224     } return self;
6225 }
6226
6227 @end
6228 /* }}} */
6229
6230 /* Home Controller {{{ */
6231 @interface HomeController : CydiaWebViewController {
6232     CFRunLoopRef runloop_;
6233     SCNetworkReachabilityRef reachability_;
6234 }
6235
6236 @end
6237
6238 @implementation HomeController
6239
6240 static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachability, SCNetworkReachabilityFlags flags, void *info) {
6241     [(HomeController *) info dispatchEvent:@"CydiaReachabilityCallback"];
6242 }
6243
6244 - (id) init {
6245     if ((self = [super init]) != nil) {
6246         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/home/", UI_]]];
6247         [self reloadData];
6248
6249         reachability_ = SCNetworkReachabilityCreateWithName(kCFAllocatorDefault, "cydia.saurik.com");
6250         if (reachability_ != NULL) {
6251             SCNetworkReachabilityContext context = {0, self, NULL, NULL, NULL};
6252             SCNetworkReachabilitySetCallback(reachability_, HomeControllerReachabilityCallback, &context);
6253
6254             CFRunLoopRef runloop(CFRunLoopGetCurrent());
6255             if (SCNetworkReachabilityScheduleWithRunLoop(reachability_, runloop, kCFRunLoopDefaultMode))
6256                 runloop_ = runloop;
6257         }
6258     } return self;
6259 }
6260
6261 - (void) dealloc {
6262     if (reachability_ != NULL && runloop_ != NULL)
6263         SCNetworkReachabilityUnscheduleFromRunLoop(reachability_, runloop_, kCFRunLoopDefaultMode);
6264     [super dealloc];
6265 }
6266
6267 - (NSURL *) navigationURL {
6268     return [NSURL URLWithString:@"cydia://home"];
6269 }
6270
6271 - (void) aboutButtonClicked {
6272     UIAlertView *alert([[[UIAlertView alloc] init] autorelease]);
6273
6274     [alert setTitle:UCLocalize("ABOUT_CYDIA")];
6275     [alert addButtonWithTitle:UCLocalize("CLOSE")];
6276     [alert setCancelButtonIndex:0];
6277
6278     [alert setMessage:
6279         @"Copyright \u00a9 2008-2015\n"
6280         "SaurikIT, LLC\n"
6281         "\n"
6282         "Jay Freeman (saurik)\n"
6283         "saurik@saurik.com\n"
6284         "http://www.saurik.com/"
6285     ];
6286
6287     [alert show];
6288 }
6289
6290 - (UIBarButtonItem *) leftButton {
6291     return [[[UIBarButtonItem alloc]
6292         initWithTitle:UCLocalize("ABOUT")
6293         style:UIBarButtonItemStylePlain
6294         target:self
6295         action:@selector(aboutButtonClicked)
6296     ] autorelease];
6297 }
6298
6299 @end
6300 /* }}} */
6301
6302 /* Cydia Tab Bar Controller {{{ */
6303 @interface CydiaTabBarController : CyteTabBarController <
6304     UITabBarControllerDelegate,
6305     FetchDelegate
6306 > {
6307     _transient Database *database_;
6308
6309     _H<UIActivityIndicatorView> indicator_;
6310
6311     bool updating_;
6312     // XXX: ok, "updatedelegate_"?...
6313     _transient NSObject<CydiaDelegate> *updatedelegate_;
6314 }
6315
6316 - (void) beginUpdate;
6317 - (BOOL) updating;
6318
6319 @end
6320
6321 @implementation CydiaTabBarController
6322
6323 - (id) initWithDatabase:(Database *)database {
6324     if ((self = [super init]) != nil) {
6325         database_ = database;
6326         [self setDelegate:self];
6327
6328         indicator_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteTiny] autorelease];
6329         [indicator_ setOrigin:CGPointMake(kCFCoreFoundationVersionNumber >= 800 ? 2 : 4, 2)];
6330
6331         [[self view] setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6332     } return self;
6333 }
6334
6335 - (void) beginUpdate {
6336     if (updating_)
6337         return;
6338
6339     UIViewController *controller([[self viewControllers] objectAtIndex:1]);
6340     UITabBarItem *item([controller tabBarItem]);
6341
6342     [item setBadgeValue:@""];
6343     UIView *badge(MSHookIvar<UIView *>([item view], "_badge"));
6344
6345     [indicator_ startAnimating];
6346     [badge addSubview:indicator_];
6347
6348     [updatedelegate_ retainNetworkActivityIndicator];
6349     updating_ = true;
6350
6351     [NSThread
6352         detachNewThreadSelector:@selector(performUpdate)
6353         toTarget:self
6354         withObject:nil
6355     ];
6356 }
6357
6358 - (void) performUpdate {
6359     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
6360
6361     SourceStatus status(self, database_);
6362     [database_ updateWithStatus:status];
6363
6364     [self
6365         performSelectorOnMainThread:@selector(completeUpdate)
6366         withObject:nil
6367         waitUntilDone:NO
6368     ];
6369
6370     [pool release];
6371 }
6372
6373 - (void) stopUpdateWithSelector:(SEL)selector {
6374     updating_ = false;
6375     [updatedelegate_ releaseNetworkActivityIndicator];
6376
6377     UIViewController *controller([[self viewControllers] objectAtIndex:1]);
6378     [[controller tabBarItem] setBadgeValue:nil];
6379
6380     [indicator_ removeFromSuperview];
6381     [indicator_ stopAnimating];
6382
6383     [updatedelegate_ performSelector:selector withObject:nil afterDelay:0];
6384 }
6385
6386 - (void) completeUpdate {
6387     if (!updating_)
6388         return;
6389     [self stopUpdateWithSelector:@selector(reloadData)];
6390 }
6391
6392 - (void) cancelUpdate {
6393     [self stopUpdateWithSelector:@selector(updateDataAndLoad)];
6394 }
6395
6396 - (void) cancelPressed {
6397     [self cancelUpdate];
6398 }
6399
6400 - (BOOL) updating {
6401     return updating_;
6402 }
6403
6404 - (bool) isSourceCancelled {
6405     return !updating_;
6406 }
6407
6408 - (void) startSourceFetch:(NSString *)uri {
6409 }
6410
6411 - (void) stopSourceFetch:(NSString *)uri {
6412 }
6413
6414 - (void) setUpdateDelegate:(id)delegate {
6415     updatedelegate_ = delegate;
6416 }
6417
6418 @end
6419 /* }}} */
6420
6421 /* Cydia:// Protocol {{{ */
6422 @interface CydiaURLProtocol : CyteURLProtocol {
6423 }
6424
6425 @end
6426
6427 @implementation CydiaURLProtocol
6428
6429 + (NSString *) scheme {
6430     return @"cydia";
6431 }
6432
6433 - (bool) loadForPath:(NSString *)path ofRequest:(NSURLRequest *)request {
6434     NSRange slash([path rangeOfString:@"/"]);
6435
6436     NSString *command;
6437     if (slash.location == NSNotFound) {
6438         command = path;
6439         path = nil;
6440     } else {
6441         command = [path substringToIndex:slash.location];
6442         path = [path substringFromIndex:(slash.location + 1)];
6443     }
6444
6445     Database *database([Database sharedInstance]);
6446
6447     if (false);
6448     else if ([command isEqualToString:@"application-icon"]) {
6449         if (path == nil)
6450             goto fail;
6451         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
6452
6453         UIImage *icon(nil);
6454
6455         if (icon == nil && $SBSCopyIconImagePNGDataForDisplayIdentifier != NULL) {
6456             NSData *data([$SBSCopyIconImagePNGDataForDisplayIdentifier(path) autorelease]);
6457             icon = [UIImage imageWithData:data];
6458         }
6459
6460         if (icon == nil)
6461             if (NSString *file = SBSCopyIconImagePathForDisplayIdentifier(path))
6462                 icon = [UIImage imageAtPath:file];
6463
6464         if (icon == nil)
6465             icon = [UIImage imageNamed:@"unknown.png"];
6466
6467         [self _returnPNGWithImage:icon forRequest:request];
6468     } else if ([command isEqualToString:@"package-icon"]) {
6469         if (path == nil)
6470             goto fail;
6471         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
6472         Package *package([database packageWithName:path]);
6473         if (package == nil)
6474             goto fail;
6475         [package parse];
6476         UIImage *icon([package icon]);
6477         [self _returnPNGWithImage:icon forRequest:request];
6478     } else if ([command isEqualToString:@"uikit-image"]) {
6479         if (path == nil)
6480             goto fail;
6481         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
6482         UIImage *icon(_UIImageWithName(path));
6483         [self _returnPNGWithImage:icon forRequest:request];
6484     } else if ([command isEqualToString:@"section-icon"]) {
6485         if (path == nil)
6486             goto fail;
6487         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
6488         UIImage *icon([UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, [path stringByReplacingOccurrencesOfString:@" " withString:@"_"]]]);
6489         if (icon == nil)
6490             icon = [UIImage imageNamed:@"unknown.png"];
6491         [self _returnPNGWithImage:icon forRequest:request];
6492     } else fail: {
6493         return [super loadForPath:path ofRequest:request];
6494     }
6495
6496     return true;
6497 }
6498
6499 @end
6500 /* }}} */
6501
6502 /* Section Controller {{{ */
6503 @interface SectionController : FilteredPackageListController {
6504     _H<NSString> key_;
6505     _H<NSString> section_;
6506 }
6507
6508 - (id) initWithDatabase:(Database *)database source:(Source *)source section:(NSString *)section;
6509
6510 @end
6511
6512 @implementation SectionController
6513
6514 - (NSURL *) referrerURL {
6515     NSString *name(section_);
6516     name = name ?: @"*";
6517     NSString *key(key_);
6518     key = key ?: @"*";
6519     return [NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/sections/%@/%@", UI_, [key stringByAddingPercentEscapesIncludingReserved], [name stringByAddingPercentEscapesIncludingReserved]]];
6520 }
6521
6522 - (NSURL *) navigationURL {
6523     NSString *name(section_);
6524     name = name ?: @"*";
6525     NSString *key(key_);
6526     key = key ?: @"*";
6527     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sections/%@/%@", [key stringByAddingPercentEscapesIncludingReserved], [name stringByAddingPercentEscapesIncludingReserved]]];
6528 }
6529
6530 - (id) initWithDatabase:(Database *)database source:(Source *)source section:(NSString *)section {
6531     NSString *title;
6532     if (section == nil)
6533         title = UCLocalize("ALL_PACKAGES");
6534     else if (![section isEqual:@""])
6535         title = [[NSBundle mainBundle] localizedStringForKey:Simplify(section) value:nil table:@"Sections"];
6536     else
6537         title = UCLocalize("NO_SECTION");
6538
6539     if ((self = [super initWithDatabase:database title:title]) != nil) {
6540         key_ = [source key];
6541         section_ = section;
6542     } return self;
6543 }
6544
6545 - (void) reloadData {
6546     Source *source([database_ sourceWithKey:key_]);
6547     _H<NSString> name(section_);
6548
6549     [self setFilter:[=](Package *package) {
6550         NSString *section([package section]);
6551
6552         return (
6553             name == nil ||
6554             section == nil && [name length] == 0 ||
6555             [name isEqualToString:section]
6556         ) && (
6557             source == nil ||
6558             [package source] == source
6559         ) && [package visible];
6560     }];
6561
6562     [super reloadData];
6563 }
6564
6565 @end
6566 /* }}} */
6567 /* Sections Controller {{{ */
6568 @interface SectionsController : CyteViewController <
6569     UITableViewDataSource,
6570     UITableViewDelegate
6571 > {
6572     _transient Database *database_;
6573     _H<NSString> key_;
6574     _H<NSMutableArray> sections_;
6575     _H<NSMutableArray> filtered_;
6576     _H<UITableView, 2> list_;
6577 }
6578
6579 - (id) initWithDatabase:(Database *)database source:(Source *)source;
6580 - (void) editButtonClicked;
6581
6582 @end
6583
6584 @implementation SectionsController
6585
6586 - (NSURL *) navigationURL {
6587     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sources/%@", [key_ stringByAddingPercentEscapesIncludingReserved]]];
6588 }
6589
6590 - (Source *) source {
6591     if (key_ == nil)
6592         return nil;
6593     return [database_ sourceWithKey:key_];
6594 }
6595
6596 - (void) updateNavigationItem {
6597     [[self navigationItem] setTitle:[self isEditing] ? UCLocalize("SECTION_VISIBILITY") : UCLocalize("SECTIONS")];
6598     if ([sections_ count] == 0) {
6599         [[self navigationItem] setRightBarButtonItem:nil];
6600     } else {
6601         [[self navigationItem] setRightBarButtonItem:[[UIBarButtonItem alloc]
6602             initWithBarButtonSystemItem:([self isEditing] ? UIBarButtonSystemItemDone : UIBarButtonSystemItemEdit)
6603             target:self
6604             action:@selector(editButtonClicked)
6605         ] animated:([[self navigationItem] rightBarButtonItem] != nil)];
6606     }
6607 }
6608
6609 - (void) setEditing:(BOOL)editing animated:(BOOL)animated {
6610     [super setEditing:editing animated:animated];
6611
6612     if (editing)
6613         [list_ reloadData];
6614     else
6615         [self.delegate updateData];
6616
6617     [self updateNavigationItem];
6618 }
6619
6620 - (void) viewDidAppear:(BOOL)animated {
6621     [super viewDidAppear:animated];
6622     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
6623 }
6624
6625 - (void) viewWillDisappear:(BOOL)animated {
6626     [super viewWillDisappear:animated];
6627     [self setEditing:NO];
6628 }
6629
6630 - (Section *) sectionAtIndexPath:(NSIndexPath *)indexPath {
6631     Section *section = nil;
6632     int index = [indexPath row];
6633     if (![self isEditing]) {
6634         index -= 1;
6635         if (index >= 0)
6636             section = [filtered_ objectAtIndex:index];
6637     } else {
6638         section = [sections_ objectAtIndex:index];
6639     }
6640     return section;
6641 }
6642
6643 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
6644     if ([self isEditing])
6645         return [sections_ count];
6646     else
6647         return [filtered_ count] + 1;
6648 }
6649
6650 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
6651     return 45.0f;
6652 }*/
6653
6654 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
6655     static NSString *reuseIdentifier = @"SectionCell";
6656
6657     SectionCell *cell = (SectionCell *)[tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
6658     if (cell == nil)
6659         cell = [[[SectionCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
6660
6661     [cell setSection:[self sectionAtIndexPath:indexPath] editing:[self isEditing]];
6662
6663     return cell;
6664 }
6665
6666 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
6667     if ([self isEditing])
6668         return;
6669
6670     Section *section = [self sectionAtIndexPath:indexPath];
6671
6672     SectionController *controller = [[[SectionController alloc]
6673         initWithDatabase:database_
6674         source:[self source]
6675         section:[section name]
6676     ] autorelease];
6677     [controller setDelegate:self.delegate];
6678
6679     [[self navigationController] pushViewController:controller animated:YES];
6680 }
6681
6682 - (void) loadView {
6683     list_ = [[[UITableView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease];
6684     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6685     [list_ setRowHeight:46];
6686     [(UITableView *) list_ setDataSource:self];
6687     [list_ setDelegate:self];
6688     [self setView:list_];
6689 }
6690
6691 - (void) viewDidLoad {
6692     [super viewDidLoad];
6693
6694     [[self navigationItem] setTitle:UCLocalize("SECTIONS")];
6695 }
6696
6697 - (void) releaseSubviews {
6698     list_ = nil;
6699
6700     sections_ = nil;
6701     filtered_ = nil;
6702
6703     [super releaseSubviews];
6704 }
6705
6706 - (id) initWithDatabase:(Database *)database source:(Source *)source {
6707     if ((self = [super init]) != nil) {
6708         database_ = database;
6709         key_ = [source key];
6710     } return self;
6711 }
6712
6713 - (void) reloadData {
6714     [super reloadData];
6715
6716     NSArray *packages = [database_ packages];
6717
6718     sections_ = [NSMutableArray arrayWithCapacity:16];
6719     filtered_ = [NSMutableArray arrayWithCapacity:16];
6720
6721     NSMutableDictionary *sections([NSMutableDictionary dictionaryWithCapacity:32]);
6722
6723     Source *source([self source]);
6724
6725     _trace();
6726     for (Package *package in packages) {
6727         if (source != nil && [package source] != source)
6728             continue;
6729
6730         NSString *name([package section]);
6731         NSString *key(name == nil ? @"" : name);
6732
6733         Section *section;
6734
6735         _profile(SectionsView$reloadData$Section)
6736             section = [sections objectForKey:key];
6737             if (section == nil) {
6738                 _profile(SectionsView$reloadData$Section$Allocate)
6739                     section = [[[Section alloc] initWithName:key localize:YES] autorelease];
6740                     [sections setObject:section forKey:key];
6741                 _end
6742             }
6743         _end
6744
6745         [section addToCount];
6746
6747         _profile(SectionsView$reloadData$Filter)
6748             if (![package visible])
6749                 continue;
6750         _end
6751
6752         [section addToRow];
6753     }
6754     _trace();
6755
6756     [sections_ addObjectsFromArray:[sections allValues]];
6757
6758     [sections_ sortUsingSelector:@selector(compareByLocalized:)];
6759
6760     for (Section *section in (id) sections_) {
6761         size_t count([section row]);
6762         if (count == 0)
6763             continue;
6764
6765         section = [[[Section alloc] initWithName:[section name] localized:[section localized]] autorelease];
6766         [section setCount:count];
6767         [filtered_ addObject:section];
6768     }
6769
6770     [self updateNavigationItem];
6771     [list_ reloadData];
6772     _trace();
6773 }
6774
6775 - (void) editButtonClicked {
6776     [self setEditing:![self isEditing] animated:YES];
6777 }
6778
6779 @end
6780 /* }}} */
6781
6782 /* Changes Controller {{{ */
6783 @interface ChangesController : FilteredPackageListController {
6784     unsigned upgrades_;
6785 }
6786
6787 - (id) initWithDatabase:(Database *)database;
6788
6789 @end
6790
6791 @implementation ChangesController
6792
6793 - (NSURL *) referrerURL {
6794     return [NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/changes/", UI_]];
6795 }
6796
6797 - (NSURL *) navigationURL {
6798     return [NSURL URLWithString:@"cydia://changes"];
6799 }
6800
6801 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
6802 @synchronized (database_) {
6803     if ([database_ era] != era_)
6804         return nil;
6805
6806     NSUInteger sectionIndex([path section]);
6807     if (sectionIndex >= [sections_ count])
6808         return nil;
6809     Section *section([sections_ objectAtIndex:sectionIndex]);
6810     NSInteger row([path row]);
6811     return [[[packages_ objectAtIndex:([section row] + row)] retain] autorelease];
6812 } }
6813
6814 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
6815     NSString *context([alert context]);
6816
6817     if ([context isEqualToString:@"norefresh"])
6818         [alert dismissWithClickedButtonIndex:-1 animated:YES];
6819 }
6820
6821 - (void) setLeftBarButtonItem {
6822     if ([self.delegate updating])
6823         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
6824             initWithTitle:UCLocalize("CANCEL")
6825             style:UIBarButtonItemStyleDone
6826             target:self
6827             action:@selector(cancelButtonClicked)
6828         ] autorelease] animated:YES];
6829     else
6830         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
6831             initWithTitle:UCLocalize("REFRESH")
6832             style:UIBarButtonItemStylePlain
6833             target:self
6834             action:@selector(refreshButtonClicked)
6835         ] autorelease] animated:YES];
6836 }
6837
6838 - (void) refreshButtonClicked {
6839     if ([self.delegate requestUpdate])
6840         [self setLeftBarButtonItem];
6841 }
6842
6843 - (void) cancelButtonClicked {
6844     [self.delegate cancelUpdate];
6845 }
6846
6847 - (void) upgradeButtonClicked {
6848     [self.delegate distUpgrade];
6849     [[self navigationItem] setRightBarButtonItem:nil animated:YES];
6850 }
6851
6852 - (bool) shouldYield {
6853     return true;
6854 }
6855
6856 - (bool) shouldBlock {
6857     return true;
6858 }
6859
6860 - (void) useFilter {
6861 @synchronized (self) {
6862     [self setFilter:[](Package *package) {
6863         return [package upgradableAndEssential:YES] || [package visible];
6864     }];
6865
6866     [self setSorter:[](NSMutableArray *packages) {
6867         [packages radixSortUsingFunction:reinterpret_cast<MenesRadixSortFunction>(&PackageChangesRadix) withContext:NULL];
6868     }];
6869 } }
6870
6871 - (id) initWithDatabase:(Database *)database {
6872     if ((self = [super initWithDatabase:database title:UCLocalize("CHANGES")]) != nil) {
6873         [self useFilter];
6874     } return self;
6875 }
6876
6877 - (void) viewDidLoad {
6878     [super viewDidLoad];
6879     [self setLeftBarButtonItem];
6880 }
6881
6882 - (void) viewWillAppear:(BOOL)animated {
6883     [super viewWillAppear:animated];
6884     [self setLeftBarButtonItem];
6885 }
6886
6887 - (void) reloadData {
6888     [self setLeftBarButtonItem];
6889     [super reloadData];
6890 }
6891
6892 - (NSArray *) sectionsForPackages:(NSMutableArray *)packages {
6893     NSMutableArray *sections([NSMutableArray arrayWithCapacity:16]);
6894
6895     Section *upgradable = [[[Section alloc] initWithName:UCLocalize("AVAILABLE_UPGRADES") localize:NO] autorelease];
6896     Section *ignored = nil;
6897     Section *section = nil;
6898     time_t last = 0;
6899
6900     upgrades_ = 0;
6901     bool unseens = false;
6902
6903     CFDateFormatterRef formatter(CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle));
6904
6905     for (size_t offset = 0, count = [packages count]; offset != count; ++offset) {
6906         Package *package = [packages objectAtIndex:offset];
6907
6908         BOOL uae = [package upgradableAndEssential:YES];
6909
6910         if (!uae) {
6911             unseens = true;
6912             time_t seen([package seen]);
6913
6914             if (section == nil || last != seen) {
6915                 last = seen;
6916
6917                 NSString *name;
6918                 name = (NSString *) CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) [NSDate dateWithTimeIntervalSince1970:seen]);
6919                 [name autorelease];
6920
6921                 _profile(ChangesController$reloadData$Allocate)
6922                     name = [NSString stringWithFormat:UCLocalize("NEW_AT"), name];
6923                     section = [[[Section alloc] initWithName:name row:offset localize:NO] autorelease];
6924                     [sections addObject:section];
6925                 _end
6926             }
6927
6928             [section addToCount];
6929         } else if ([package ignored]) {
6930             if (ignored == nil) {
6931                 ignored = [[[Section alloc] initWithName:UCLocalize("IGNORED_UPGRADES") row:offset localize:NO] autorelease];
6932             }
6933             [ignored addToCount];
6934         } else {
6935             ++upgrades_;
6936             [upgradable addToCount];
6937         }
6938     }
6939     _trace();
6940
6941     CFRelease(formatter);
6942
6943     if (unseens) {
6944         Section *last = [sections lastObject];
6945         size_t count = [last count];
6946         [packages removeObjectsInRange:NSMakeRange([packages count] - count, count)];
6947         [sections removeLastObject];
6948     }
6949
6950     if ([ignored count] != 0)
6951         [sections insertObject:ignored atIndex:0];
6952     if (upgrades_ != 0)
6953         [sections insertObject:upgradable atIndex:0];
6954
6955     [[self navigationItem] setRightBarButtonItem:(upgrades_ == 0 ? nil : [[[UIBarButtonItem alloc]
6956         initWithTitle:[NSString stringWithFormat:UCLocalize("PARENTHETICAL"), UCLocalize("UPGRADE"), [NSString stringWithFormat:@"%u", upgrades_]]
6957         style:UIBarButtonItemStylePlain
6958         target:self
6959         action:@selector(upgradeButtonClicked)
6960     ] autorelease]) animated:YES];
6961
6962     return sections;
6963 }
6964
6965 @end
6966 /* }}} */
6967 /* Search Controller {{{ */
6968 @interface SearchController : FilteredPackageListController <
6969     UISearchBarDelegate
6970 > {
6971     _H<UISearchBar, 1> search_;
6972     BOOL searchloaded_;
6973     bool summary_;
6974 }
6975
6976 - (id) initWithDatabase:(Database *)database query:(NSString *)query;
6977 - (void) reloadData;
6978
6979 @end
6980
6981 @implementation SearchController
6982
6983 - (NSURL *) referrerURL {
6984     return [NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/search?q=%@", UI_, [([search_ text] ?: @"") stringByAddingPercentEscapesIncludingReserved]]];
6985 }
6986
6987 - (NSURL *) navigationURL {
6988     if ([search_ text] == nil || [[search_ text] isEqualToString:@""])
6989         return [NSURL URLWithString:@"cydia://search"];
6990     else
6991         return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://search/%@", [[search_ text] stringByAddingPercentEscapesIncludingReserved]]];
6992 }
6993
6994 - (NSArray *) termsForQuery:(NSString *)query {
6995     NSMutableArray *terms([NSMutableArray arrayWithCapacity:2]);
6996     for (NSString *component in [query componentsSeparatedByString:@" "])
6997         if ([component length] != 0)
6998             [terms addObject:component];
6999
7000     return terms;
7001 }
7002
7003 - (void) useSearch {
7004     _H<NSArray> query([self termsForQuery:[search_ text]]);
7005     summary_ = false;
7006
7007 @synchronized (self) {
7008     [self setFilter:[=](Package *package) {
7009         if (![package unfiltered])
7010             return false;
7011         if (![package matches:query])
7012             return false;
7013         return true;
7014     }];
7015
7016     [self setSorter:[](NSMutableArray *packages) {
7017         [packages radixSortUsingSelector:@selector(rank)];
7018     }];
7019 }
7020
7021     [self clearData];
7022     [self reloadData];
7023 }
7024
7025 - (void) usePrefix:(NSString *)prefix {
7026     _H<NSString> query(prefix);
7027     summary_ = true;
7028
7029 @synchronized (self) {
7030     [self setFilter:[=](Package *package) {
7031         if ([query length] == 0)
7032             return false;
7033         if (![package unfiltered])
7034             return false;
7035         if ([[package name] compare:query options:MatchCompareOptions_ range:NSMakeRange(0, [query length])] != NSOrderedSame)
7036             return false;
7037         return true;
7038     }];
7039
7040     [self setSorter:nullptr];
7041 }
7042
7043     [self reloadData];
7044 }
7045
7046 - (void) searchBarTextDidBeginEditing:(UISearchBar *)searchBar {
7047     [self clearData];
7048     [self usePrefix:[search_ text]];
7049 }
7050
7051 - (void) searchBarButtonClicked:(UISearchBar *)searchBar {
7052     [search_ resignFirstResponder];
7053     [self useSearch];
7054 }
7055
7056 - (void) searchBarCancelButtonClicked:(UISearchBar *)searchBar {
7057     [search_ setText:@""];
7058     [self searchBarButtonClicked:searchBar];
7059 }
7060
7061 - (void) searchBarSearchButtonClicked:(UISearchBar *)searchBar {
7062     [self searchBarButtonClicked:searchBar];
7063 }
7064
7065 - (void) searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)text {
7066     [self usePrefix:text];
7067 }
7068
7069 - (bool) shouldYield {
7070     return YES;
7071 }
7072
7073 - (bool) shouldBlock {
7074     return !summary_;
7075 }
7076
7077 - (bool) isSummarized {
7078     return summary_;
7079 }
7080
7081 - (bool) showsSections {
7082     return false;
7083 }
7084
7085 - (id) initWithDatabase:(Database *)database query:(NSString *)query {
7086     if ((self = [super initWithDatabase:database title:UCLocalize("SEARCH")])) {
7087         search_ = [[[UISearchBar alloc] init] autorelease];
7088         [search_ setPlaceholder:UCLocalize("SEARCH_EX")];
7089         [search_ setDelegate:self];
7090
7091         UITextField *textField;
7092         if ([search_ respondsToSelector:@selector(searchField)])
7093             textField = [search_ searchField];
7094         else
7095             textField = MSHookIvar<UITextField *>(search_, "_searchField");
7096
7097         [textField setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
7098         [textField setEnablesReturnKeyAutomatically:NO];
7099         [[self navigationItem] setTitleView:textField];
7100
7101         if (query != nil)
7102             [search_ setText:query];
7103         [self useSearch];
7104     } return self;
7105 }
7106
7107 - (void) viewDidAppear:(BOOL)animated {
7108     [super viewDidAppear:animated];
7109
7110     if (!searchloaded_) {
7111         searchloaded_ = YES;
7112         [search_ setFrame:CGRectMake(0, 0, [[self view] bounds].size.width, 44.0f)];
7113         [search_ layoutSubviews];
7114     }
7115
7116     if ([self isSummarized])
7117         [search_ becomeFirstResponder];
7118 }
7119
7120 - (void) reloadData {
7121     [self resetCursor];
7122     [super reloadData];
7123 }
7124
7125 - (void) didSelectPackage:(Package *)package {
7126     [search_ resignFirstResponder];
7127     [super didSelectPackage:package];
7128 }
7129
7130 @end
7131 /* }}} */
7132 /* Package Settings Controller {{{ */
7133 @interface PackageSettingsController : CyteViewController <
7134     UITableViewDataSource,
7135     UITableViewDelegate
7136 > {
7137     _transient Database *database_;
7138     _H<NSString> name_;
7139     _H<Package> package_;
7140     _H<UITableView, 2> table_;
7141     _H<UISwitch> subscribedSwitch_;
7142     _H<UISwitch> ignoredSwitch_;
7143     _H<UITableViewCell> subscribedCell_;
7144     _H<UITableViewCell> ignoredCell_;
7145 }
7146
7147 - (id) initWithDatabase:(Database *)database package:(NSString *)package;
7148
7149 @end
7150
7151 @implementation PackageSettingsController
7152
7153 - (NSURL *) navigationURL {
7154     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/settings", (id) name_]];
7155 }
7156
7157 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
7158     if (package_ == nil)
7159         return 0;
7160
7161     if ([package_ installed] == nil)
7162         return 1;
7163     else
7164         return 2;
7165 }
7166
7167 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7168     if (package_ == nil)
7169         return 0;
7170
7171     // both sections contain just one item right now.
7172     return 1;
7173 }
7174
7175 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
7176     return nil;
7177 }
7178
7179 - (NSString *) tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
7180     if (section == 0)
7181         return UCLocalize("SHOW_ALL_CHANGES_EX");
7182     else
7183         return UCLocalize("IGNORE_UPGRADES_EX");
7184 }
7185
7186 - (void) onSubscribed:(id)control {
7187     bool value([control isOn]);
7188     if (package_ == nil)
7189         return;
7190     if ([package_ setSubscribed:value])
7191         [self.delegate updateData];
7192 }
7193
7194 - (void) _updateIgnored {
7195     const char *package([name_ UTF8String]);
7196     bool on([ignoredSwitch_ isOn]);
7197
7198     FILE *dpkg(popen("/usr/libexec/cydia/cydo --set-selections", "w"));
7199     fwrite(package, strlen(package), 1, dpkg);
7200
7201     if (on)
7202         fwrite(" hold\n", 6, 1, dpkg);
7203     else
7204         fwrite(" install\n", 9, 1, dpkg);
7205
7206     pclose(dpkg);
7207 }
7208
7209 - (void) onIgnored:(id)control {
7210     NSInvocation *invocation([NSInvocation invocationWithMethodSignature:[self methodSignatureForSelector:@selector(_updateIgnored)]]);
7211     [invocation setTarget:self];
7212     [invocation setSelector:@selector(_updateIgnored)];
7213
7214     [self.delegate reloadDataWithInvocation:invocation];
7215 }
7216
7217 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7218     if (package_ == nil)
7219         return nil;
7220
7221     switch ([indexPath section]) {
7222         case 0: return subscribedCell_;
7223         case 1: return ignoredCell_;
7224
7225         _nodefault
7226     }
7227
7228     return nil;
7229 }
7230
7231 - (void) loadView {
7232     UIView *view([[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]);
7233     [view setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight)];
7234     [self setView:view];
7235
7236     table_ = [[[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped] autorelease];
7237     [table_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7238     [(UITableView *) table_ setDataSource:self];
7239     [table_ setDelegate:self];
7240     [view addSubview:table_];
7241
7242     subscribedSwitch_ = [[[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)] autorelease];
7243     [subscribedSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
7244     [subscribedSwitch_ addTarget:self action:@selector(onSubscribed:) forEvents:UIControlEventValueChanged];
7245
7246     ignoredSwitch_ = [[[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)] autorelease];
7247     [ignoredSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
7248     [ignoredSwitch_ addTarget:self action:@selector(onIgnored:) forEvents:UIControlEventValueChanged];
7249
7250     subscribedCell_ = [[[UITableViewCell alloc] init] autorelease];
7251     [subscribedCell_ setText:UCLocalize("SHOW_ALL_CHANGES")];
7252     [subscribedCell_ setAccessoryView:subscribedSwitch_];
7253     [subscribedCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
7254
7255     ignoredCell_ = [[[UITableViewCell alloc] init] autorelease];
7256     [ignoredCell_ setText:UCLocalize("IGNORE_UPGRADES")];
7257     [ignoredCell_ setAccessoryView:ignoredSwitch_];
7258     [ignoredCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
7259 }
7260
7261 - (void) viewDidLoad {
7262     [super viewDidLoad];
7263
7264     [[self navigationItem] setTitle:UCLocalize("SETTINGS")];
7265 }
7266
7267 - (void) releaseSubviews {
7268     ignoredCell_ = nil;
7269     subscribedCell_ = nil;
7270     table_ = nil;
7271     ignoredSwitch_ = nil;
7272     subscribedSwitch_ = nil;
7273
7274     [super releaseSubviews];
7275 }
7276
7277 - (id) initWithDatabase:(Database *)database package:(NSString *)package {
7278     if ((self = [super init]) != nil) {
7279         database_ = database;
7280         name_ = package;
7281     } return self;
7282 }
7283
7284 - (void) reloadData {
7285     [super reloadData];
7286
7287     package_ = [database_ packageWithName:name_];
7288
7289     if (package_ != nil) {
7290         [subscribedSwitch_ setOn:([package_ subscribed] ? 1 : 0) animated:NO];
7291         [ignoredSwitch_ setOn:([package_ ignored] ? 1 : 0) animated:NO];
7292     } // XXX: what now, G?
7293
7294     [table_ reloadData];
7295 }
7296
7297 @end
7298 /* }}} */
7299
7300 /* Installed Controller {{{ */
7301 @interface InstalledController : FilteredPackageListController {
7302     bool sectioned_;
7303 }
7304
7305 - (id) initWithDatabase:(Database *)database;
7306 - (void) queueStatusDidChange;
7307
7308 @end
7309
7310 @implementation InstalledController
7311
7312 - (NSURL *) referrerURL {
7313     return [NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/installed/", UI_]];
7314 }
7315
7316 - (NSURL *) navigationURL {
7317     return [NSURL URLWithString:@"cydia://installed"];
7318 }
7319
7320 - (void) useRecent {
7321     sectioned_ = false;
7322
7323 @synchronized (self) {
7324     [self setFilter:[](Package *package) {
7325         return ![package uninstalled] && package->role_ < 7;
7326     }];
7327
7328     [self setSorter:[](NSMutableArray *packages) {
7329         [packages radixSortUsingSelector:@selector(recent)];
7330     }];
7331 } }
7332
7333 - (void) useFilter:(UISegmentedControl *)segmented {
7334     NSInteger selected([segmented selectedSegmentIndex]);
7335     if (selected == 2)
7336         return [self useRecent];
7337     bool simple(selected == 0);
7338     sectioned_ = true;
7339
7340 @synchronized (self) {
7341     [self setFilter:[=](Package *package) {
7342         return ![package uninstalled] && package->role_ <= (simple ? 1 : 3);
7343     }];
7344
7345     [self setSorter:nullptr];
7346 } }
7347
7348 - (NSArray *) sectionsForPackages:(NSMutableArray *)packages {
7349     if (sectioned_)
7350         return [super sectionsForPackages:packages];
7351
7352     CFDateFormatterRef formatter(CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterLongStyle, kCFDateFormatterNoStyle));
7353
7354     NSMutableArray *sections([NSMutableArray arrayWithCapacity:16]);
7355     Section *section(nil);
7356     time_t last(0);
7357
7358     for (size_t offset(0), count([packages count]); offset != count; ++offset) {
7359         Package *package([packages objectAtIndex:offset]);
7360
7361         time_t upgraded([package upgraded]);
7362         if (upgraded < 1168364520)
7363             upgraded = 0;
7364         else
7365             upgraded -= upgraded % (60 * 60 * 24);
7366
7367         if (section == nil || upgraded != last) {
7368             last = upgraded;
7369
7370             NSString *name;
7371             if (upgraded == 0)
7372                 continue; // XXX: name = UCLocalize("...");
7373             else {
7374                 name = (NSString *) CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) [NSDate dateWithTimeIntervalSince1970:upgraded]);
7375                 [name autorelease];
7376             }
7377
7378             section = [[[Section alloc] initWithName:name row:offset localize:NO] autorelease];
7379             [sections addObject:section];
7380         }
7381
7382         [section addToCount];
7383     }
7384
7385     CFRelease(formatter);
7386     return sections;
7387 }
7388
7389 - (id) initWithDatabase:(Database *)database {
7390     if ((self = [super initWithDatabase:database title:UCLocalize("INSTALLED")]) != nil) {
7391         UISegmentedControl *segmented([[[UISegmentedControl alloc] initWithItems:[NSArray arrayWithObjects:UCLocalize("USER"), UCLocalize("EXPERT"), UCLocalize("RECENT"), nil]] autorelease]);
7392         [segmented setSelectedSegmentIndex:0];
7393         [segmented setSegmentedControlStyle:UISegmentedControlStyleBar];
7394         [[self navigationItem] setTitleView:segmented];
7395
7396         [segmented addTarget:self action:@selector(modeChanged:) forEvents:UIControlEventValueChanged];
7397         [self useFilter:segmented];
7398
7399         [self queueStatusDidChange];
7400     } return self;
7401 }
7402
7403 #if !AlwaysReload
7404 - (void) queueButtonClicked {
7405     [self.delegate queue];
7406 }
7407 #endif
7408
7409 - (void) queueStatusDidChange {
7410 #if !AlwaysReload
7411     if (Queuing_) {
7412         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
7413             initWithTitle:UCLocalize("QUEUE")
7414             style:UIBarButtonItemStyleDone
7415             target:self
7416             action:@selector(queueButtonClicked)
7417         ] autorelease]];
7418     } else {
7419         [[self navigationItem] setRightBarButtonItem:nil];
7420     }
7421 #endif
7422 }
7423
7424 - (void) modeChanged:(UISegmentedControl *)segmented {
7425     [self useFilter:segmented];
7426     [self reloadData];
7427 }
7428
7429 @end
7430 /* }}} */
7431
7432 /* Source Cell {{{ */
7433 @interface SourceCell : CyteTableViewCell <
7434     CyteTableViewCellDelegate,
7435     SourceDelegate
7436 > {
7437     _H<Source, 1> source_;
7438     _H<NSURL> url_;
7439     _H<UIImage> icon_;
7440     _H<NSString> origin_;
7441     _H<NSString> label_;
7442     _H<UIActivityIndicatorView> indicator_;
7443 }
7444
7445 - (void) setSource:(Source *)source;
7446 - (void) setFetch:(NSNumber *)fetch;
7447
7448 @end
7449
7450 @implementation SourceCell
7451
7452 - (void) _setImage:(NSArray *)data {
7453     if ([url_ isEqual:[data objectAtIndex:0]]) {
7454         icon_ = [data objectAtIndex:1];
7455         [self.content setNeedsDisplay];
7456     }
7457 }
7458
7459 - (void) _setSource:(NSURL *) url {
7460     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
7461
7462     if (NSData *data = [NSURLConnection
7463         sendSynchronousRequest:[NSURLRequest
7464             requestWithURL:url
7465             cachePolicy:NSURLRequestUseProtocolCachePolicy
7466             timeoutInterval:10
7467         ]
7468
7469         returningResponse:NULL
7470         error:NULL
7471     ])
7472         if (UIImage *image = [UIImage imageWithData:data])
7473             [self performSelectorOnMainThread:@selector(_setImage:) withObject:[NSArray arrayWithObjects:url, image, nil] waitUntilDone:NO];
7474
7475     [pool release];
7476 }
7477
7478 - (void) setSource:(Source *)source {
7479     source_ = source;
7480     [source_ setDelegate:self];
7481
7482     [self setFetch:[NSNumber numberWithBool:[source_ fetch]]];
7483
7484     icon_ = [UIImage imageNamed:@"unknown.png"];
7485
7486     origin_ = [source name];
7487     label_ = [source rooturi];
7488
7489     [self.content setNeedsDisplay];
7490
7491     url_ = [source iconURL];
7492     [NSThread detachNewThreadSelector:@selector(_setSource:) toTarget:self withObject:url_];
7493 }
7494
7495 - (void) setAllSource {
7496     source_ = nil;
7497     [indicator_ stopAnimating];
7498
7499     icon_ = [UIImage imageNamed:@"folder.png"];
7500     origin_ = UCLocalize("ALL_SOURCES");
7501     label_ = UCLocalize("ALL_SOURCES_EX");
7502     [self.content setNeedsDisplay];
7503 }
7504
7505 - (SourceCell *) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
7506     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
7507         [self.content setBackgroundColor:[UIColor whiteColor]];
7508         [self.content setOpaque:YES];
7509
7510         indicator_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGraySmall] autorelease];
7511         [indicator_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleTopMargin];// | UIViewAutoresizingFlexibleBottomMargin];
7512         [[self contentView] addSubview:indicator_];
7513
7514         [[self.content layer] setContentsGravity:kCAGravityTopLeft];
7515     } return self;
7516 }
7517
7518 - (void) layoutSubviews {
7519     [super layoutSubviews];
7520
7521     UIView *content([self contentView]);
7522     CGRect bounds([content bounds]);
7523
7524     CGRect frame([indicator_ frame]);
7525     frame.origin.x = bounds.size.width - frame.size.width;
7526     frame.origin.y = Retina((bounds.size.height - frame.size.height) / 2);
7527
7528     if (kCFCoreFoundationVersionNumber < 800)
7529         frame.origin.x -= 8;
7530     [indicator_ setFrame:frame];
7531 }
7532
7533 - (NSString *) accessibilityLabel {
7534     return origin_;
7535 }
7536
7537 - (void) drawContentRect:(CGRect)rect {
7538     bool highlighted(self.highlighted);
7539     float width(rect.size.width);
7540
7541     if (icon_ != nil) {
7542         CGRect rect;
7543         rect.size = [(UIImage *) icon_ size];
7544
7545         while (rect.size.width > 32 || rect.size.height > 32) {
7546             rect.size.width /= 2;
7547             rect.size.height /= 2;
7548         }
7549
7550         rect.origin.x = 26 - rect.size.width / 2;
7551         rect.origin.y = 26 - rect.size.height / 2;
7552
7553         [icon_ drawInRect:Retina(rect)];
7554     }
7555
7556     if (highlighted && kCFCoreFoundationVersionNumber < 800)
7557         UISetColor(White_);
7558
7559     if (!highlighted)
7560         UISetColor(Black_);
7561     [origin_ drawAtPoint:CGPointMake(52, 8) forWidth:(width - 49) withFont:Font18Bold_ lineBreakMode:NSLineBreakByTruncatingTail];
7562
7563     if (!highlighted)
7564         UISetColor(Gray_);
7565     [label_ drawAtPoint:CGPointMake(52, 29) forWidth:(width - 49) withFont:Font12_ lineBreakMode:NSLineBreakByTruncatingTail];
7566 }
7567
7568 - (void) setFetch:(NSNumber *)fetch {
7569     if ([fetch boolValue])
7570         [indicator_ startAnimating];
7571     else
7572         [indicator_ stopAnimating];
7573 }
7574
7575 @end
7576 /* }}} */
7577 /* Sources Controller {{{ */
7578 @interface SourcesController : CyteViewController <
7579     UITableViewDataSource,
7580     UITableViewDelegate
7581 > {
7582     _transient Database *database_;
7583     unsigned era_;
7584
7585     _H<UITableView, 2> list_;
7586     _H<NSMutableArray> sources_;
7587     int offset_;
7588
7589     _H<NSString> href_;
7590     _H<UIProgressHUD> hud_;
7591     _H<NSError> error_;
7592
7593     NSURLConnection *trivial_bz2_;
7594     NSURLConnection *trivial_gz_;
7595
7596     BOOL cydia_;
7597 }
7598
7599 - (id) initWithDatabase:(Database *)database;
7600 - (void) updateButtonsForEditingStatusAnimated:(BOOL)animated;
7601
7602 @end
7603
7604 @implementation SourcesController
7605
7606 - (void) _releaseConnection:(NSURLConnection *)connection {
7607     if (connection != nil) {
7608         [connection cancel];
7609         //[connection setDelegate:nil];
7610         [connection release];
7611     }
7612 }
7613
7614 - (void) dealloc {
7615     [self _releaseConnection:trivial_gz_];
7616     [self _releaseConnection:trivial_bz2_];
7617
7618     [super dealloc];
7619 }
7620
7621 - (NSURL *) navigationURL {
7622     return [NSURL URLWithString:@"cydia://sources"];
7623 }
7624
7625 - (void) viewDidAppear:(BOOL)animated {
7626     [super viewDidAppear:animated];
7627     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
7628 }
7629
7630 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
7631     return 2;
7632 }
7633
7634 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
7635     if (section == 1)
7636         return UCLocalize("INDIVIDUAL_SOURCES");
7637     return nil;
7638 }
7639
7640 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7641     switch (section) {
7642         case 0: return 1;
7643         case 1: return [sources_ count];
7644         default: return 0;
7645     }
7646 }
7647
7648 - (Source *) sourceAtIndexPath:(NSIndexPath *)indexPath {
7649 @synchronized (database_) {
7650     if ([database_ era] != era_)
7651         return nil;
7652     if ([indexPath section] != 1)
7653         return nil;
7654     NSUInteger index([indexPath row]);
7655     if (index >= [sources_ count])
7656         return nil;
7657     return [sources_ objectAtIndex:index];
7658 } }
7659
7660 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7661     static NSString *cellIdentifier = @"SourceCell";
7662
7663     SourceCell *cell = (SourceCell *) [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
7664     if (cell == nil) cell = [[[SourceCell alloc] initWithFrame:CGRectZero reuseIdentifier:cellIdentifier] autorelease];
7665     [cell setAccessoryType:UITableViewCellAccessoryDisclosureIndicator];
7666
7667     Source *source([self sourceAtIndexPath:indexPath]);
7668     if (source == nil)
7669         [cell setAllSource];
7670     else
7671         [cell setSource:source];
7672
7673     return cell;
7674 }
7675
7676 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
7677     SectionsController *controller([[[SectionsController alloc]
7678         initWithDatabase:database_
7679         source:[self sourceAtIndexPath:indexPath]
7680     ] autorelease]);
7681
7682     [controller setDelegate:self.delegate];
7683     [[self navigationController] pushViewController:controller animated:YES];
7684 }
7685
7686 - (BOOL) tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
7687     if ([indexPath section] != 1)
7688         return false;
7689     Source *source = [self sourceAtIndexPath:indexPath];
7690     return [source record] != nil;
7691 }
7692
7693 - (void) tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
7694     _assert([indexPath section] == 1);
7695     if (editingStyle ==  UITableViewCellEditingStyleDelete) {
7696         Source *source = [self sourceAtIndexPath:indexPath];
7697         if (source == nil) return;
7698
7699         [Sources_ removeObjectForKey:[source key]];
7700
7701         [self.delegate syncData];
7702     }
7703 }
7704
7705 - (void) tableView:(UITableView *)tableView didEndEditingRowAtIndexPath:(NSIndexPath *)indexPath {
7706     [self updateButtonsForEditingStatusAnimated:YES];
7707 }
7708
7709 - (void) complete {
7710     [self.delegate addTrivialSource:href_];
7711     href_ = nil;
7712
7713     [self.delegate syncData];
7714 }
7715
7716 - (NSString *) getWarning {
7717     NSString *href(href_);
7718     NSRange colon([href rangeOfString:@"://"]);
7719     if (colon.location != NSNotFound)
7720         href = [href substringFromIndex:(colon.location + 3)];
7721     href = [href stringByAddingPercentEscapes];
7722     href = [CydiaURL(@"api/repotag/") stringByAppendingString:href];
7723
7724     NSURL *url([NSURL URLWithString:href]);
7725
7726     NSStringEncoding encoding;
7727     NSError *error(nil);
7728
7729     if (NSString *warning = [NSString stringWithContentsOfURL:url usedEncoding:&encoding error:&error])
7730         return [warning length] == 0 ? nil : warning;
7731     return nil;
7732 }
7733
7734 - (void) _endConnection:(NSURLConnection *)connection {
7735     // XXX: the memory management in this method is horribly awkward
7736
7737     NSURLConnection **field = NULL;
7738     if (connection == trivial_bz2_)
7739         field = &trivial_bz2_;
7740     else if (connection == trivial_gz_)
7741         field = &trivial_gz_;
7742     _assert(field != NULL);
7743     [connection release];
7744     *field = nil;
7745
7746     if (
7747         trivial_bz2_ == nil &&
7748         trivial_gz_ == nil
7749     ) {
7750         NSString *warning(cydia_ ? [self yieldToSelector:@selector(getWarning)] : nil);
7751
7752         [self.delegate releaseNetworkActivityIndicator];
7753
7754         [self.delegate removeProgressHUD:hud_];
7755         hud_ = nil;
7756
7757         if (cydia_) {
7758             if (warning != nil) {
7759                 UIAlertView *alert = [[[UIAlertView alloc]
7760                     initWithTitle:UCLocalize("SOURCE_WARNING")
7761                     message:warning
7762                     delegate:self
7763                     cancelButtonTitle:UCLocalize("CANCEL")
7764                     otherButtonTitles:
7765                         UCLocalize("ADD_ANYWAY"),
7766                     nil
7767                 ] autorelease];
7768
7769                 [alert setContext:@"warning"];
7770                 [alert setNumberOfRows:1];
7771                 [alert show];
7772
7773                 // XXX: there used to be this great mechanism called yieldToPopup... who deleted it?
7774                 error_ = nil;
7775                 return;
7776             }
7777
7778             [self complete];
7779         } else if (error_ != nil) {
7780             UIAlertView *alert = [[[UIAlertView alloc]
7781                 initWithTitle:UCLocalize("VERIFICATION_ERROR")
7782                 message:[error_ localizedDescription]
7783                 delegate:self
7784                 cancelButtonTitle:UCLocalize("OK")
7785                 otherButtonTitles:nil
7786             ] autorelease];
7787
7788             [alert setContext:@"urlerror"];
7789             [alert show];
7790
7791             href_ = nil;
7792         } else {
7793             UIAlertView *alert = [[[UIAlertView alloc]
7794                 initWithTitle:UCLocalize("NOT_REPOSITORY")
7795                 message:UCLocalize("NOT_REPOSITORY_EX")
7796                 delegate:self
7797                 cancelButtonTitle:UCLocalize("OK")
7798                 otherButtonTitles:nil
7799             ] autorelease];
7800
7801             [alert setContext:@"trivial"];
7802             [alert show];
7803
7804             href_ = nil;
7805         }
7806
7807         error_ = nil;
7808     }
7809 }
7810
7811 - (void) connection:(NSURLConnection *)connection didReceiveResponse:(NSHTTPURLResponse *)response {
7812     switch ([response statusCode]) {
7813         case 200:
7814             cydia_ = YES;
7815     }
7816 }
7817
7818 - (void) connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
7819     lprintf("connection:\"%s\" didFailWithError:\"%s\"\n", [href_ UTF8String], [[error localizedDescription] UTF8String]);
7820     error_ = error;
7821     [self _endConnection:connection];
7822 }
7823
7824 - (void) connectionDidFinishLoading:(NSURLConnection *)connection {
7825     [self _endConnection:connection];
7826 }
7827
7828 - (NSURLConnection *) _requestHRef:(NSString *)href method:(NSString *)method {
7829     NSURL *url([NSURL URLWithString:href]);
7830
7831     NSMutableURLRequest *request = [NSMutableURLRequest
7832         requestWithURL:url
7833         cachePolicy:NSURLRequestUseProtocolCachePolicy
7834         timeoutInterval:10
7835     ];
7836
7837     [request setHTTPMethod:method];
7838
7839     if (Machine_ != NULL)
7840         [request setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
7841
7842     if (UniqueID_ != nil)
7843         [request setValue:UniqueID_ forHTTPHeaderField:@"X-Unique-ID"];
7844
7845     if ([url isCydiaSecure]) {
7846         if (UniqueID_ != nil)
7847             [request setValue:UniqueID_ forHTTPHeaderField:@"X-Cydia-Id"];
7848     }
7849
7850     return [[[NSURLConnection alloc] initWithRequest:request delegate:self] autorelease];
7851 }
7852
7853 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
7854     NSString *context([alert context]);
7855
7856     if ([context isEqualToString:@"source"]) {
7857         switch (button) {
7858             case 1: {
7859                 NSString *href = [[alert textField] text];
7860                 href = VerifySource(href);
7861                 if (href == nil)
7862                     break;
7863                 href_ = href;
7864
7865                 trivial_bz2_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.bz2"] method:@"HEAD"] retain];
7866                 trivial_gz_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.gz"] method:@"HEAD"] retain];
7867
7868                 cydia_ = false;
7869
7870                 // XXX: this is stupid
7871                 hud_ = [self.delegate addProgressHUD];
7872                 [hud_ setText:UCLocalize("VERIFYING_URL")];
7873                 [self.delegate retainNetworkActivityIndicator];
7874             } break;
7875
7876             case 0:
7877             break;
7878
7879             _nodefault
7880         }
7881
7882         [alert dismissWithClickedButtonIndex:-1 animated:YES];
7883     } else if ([context isEqualToString:@"trivial"])
7884         [alert dismissWithClickedButtonIndex:-1 animated:YES];
7885     else if ([context isEqualToString:@"urlerror"])
7886         [alert dismissWithClickedButtonIndex:-1 animated:YES];
7887     else if ([context isEqualToString:@"warning"]) {
7888         switch (button) {
7889             case 1:
7890                 [self performSelector:@selector(complete) withObject:nil afterDelay:0];
7891             break;
7892
7893             case 0:
7894             break;
7895
7896             _nodefault
7897         }
7898
7899         [alert dismissWithClickedButtonIndex:-1 animated:YES];
7900     }
7901 }
7902
7903 - (void) updateButtonsForEditingStatusAnimated:(BOOL)animated {
7904     BOOL editing([list_ isEditing]);
7905
7906     if (editing)
7907         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
7908             initWithTitle:UCLocalize("ADD")
7909             style:UIBarButtonItemStylePlain
7910             target:self
7911             action:@selector(addButtonClicked)
7912         ] autorelease] animated:animated];
7913     else if ([self.delegate updating])
7914         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
7915             initWithTitle:UCLocalize("CANCEL")
7916             style:UIBarButtonItemStyleDone
7917             target:self
7918             action:@selector(cancelButtonClicked)
7919         ] autorelease] animated:animated];
7920     else
7921         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
7922             initWithTitle:UCLocalize("REFRESH")
7923             style:UIBarButtonItemStylePlain
7924             target:self
7925             action:@selector(refreshButtonClicked)
7926         ] autorelease] animated:animated];
7927
7928     [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
7929         initWithTitle:(editing ? UCLocalize("DONE") : UCLocalize("EDIT"))
7930         style:(editing ? UIBarButtonItemStyleDone : UIBarButtonItemStylePlain)
7931         target:self
7932         action:@selector(editButtonClicked)
7933     ] autorelease] animated:animated];
7934 }
7935
7936 - (void) loadView {
7937     list_ = [[[UITableView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame] style:UITableViewStylePlain] autorelease];
7938     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7939     [list_ setRowHeight:53];
7940     [(UITableView *) list_ setDataSource:self];
7941     [list_ setDelegate:self];
7942     [self setView:list_];
7943 }
7944
7945 - (void) viewDidLoad {
7946     [super viewDidLoad];
7947
7948     [[self navigationItem] setTitle:UCLocalize("SOURCES")];
7949     [self updateButtonsForEditingStatusAnimated:NO];
7950 }
7951
7952 - (void) viewWillAppear:(BOOL)animated {
7953     [super viewWillAppear:animated];
7954
7955     [list_ setEditing:NO];
7956     [self updateButtonsForEditingStatusAnimated:NO];
7957 }
7958
7959 - (void) releaseSubviews {
7960     list_ = nil;
7961
7962     sources_ = nil;
7963
7964     [super releaseSubviews];
7965 }
7966
7967 - (id) initWithDatabase:(Database *)database {
7968     if ((self = [super init]) != nil) {
7969         database_ = database;
7970     } return self;
7971 }
7972
7973 - (void) reloadData {
7974     [super reloadData];
7975     [self updateButtonsForEditingStatusAnimated:YES];
7976
7977 @synchronized (database_) {
7978     era_ = [database_ era];
7979
7980     sources_ = [NSMutableArray arrayWithCapacity:16];
7981     [sources_ addObjectsFromArray:[database_ sources]];
7982     _trace();
7983     [sources_ sortUsingSelector:@selector(compareByName:)];
7984     _trace();
7985
7986     int count([sources_ count]);
7987     offset_ = 0;
7988     for (int i = 0; i != count; i++) {
7989         if ([[sources_ objectAtIndex:i] record] == nil)
7990             break;
7991         offset_++;
7992     }
7993
7994     [list_ reloadData];
7995 } }
7996
7997 - (void) showAddSourcePrompt {
7998     UIAlertView *alert = [[[UIAlertView alloc]
7999         initWithTitle:UCLocalize("ENTER_APT_URL")
8000         message:nil
8001         delegate:self
8002         cancelButtonTitle:UCLocalize("CANCEL")
8003         otherButtonTitles:
8004             UCLocalize("ADD_SOURCE"),
8005         nil
8006     ] autorelease];
8007
8008     [alert setContext:@"source"];
8009
8010     [alert setNumberOfRows:1];
8011     [alert addTextFieldWithValue:@"http://" label:@""];
8012
8013     NSObject<UITextInputTraits> *traits = [[alert textField] textInputTraits];
8014     [traits setAutocapitalizationType:UITextAutocapitalizationTypeNone];
8015     [traits setAutocorrectionType:UITextAutocorrectionTypeNo];
8016     [traits setKeyboardType:UIKeyboardTypeURL];
8017     // XXX: UIReturnKeyDone
8018     [traits setReturnKeyType:UIReturnKeyNext];
8019
8020     [alert show];
8021 }
8022
8023 - (void) addButtonClicked {
8024     [self showAddSourcePrompt];
8025 }
8026
8027 - (void) refreshButtonClicked {
8028     if ([self.delegate requestUpdate])
8029         [self updateButtonsForEditingStatusAnimated:YES];
8030 }
8031
8032 - (void) cancelButtonClicked {
8033     [self.delegate cancelUpdate];
8034 }
8035
8036 - (void) editButtonClicked {
8037     [list_ setEditing:![list_ isEditing] animated:YES];
8038     [self updateButtonsForEditingStatusAnimated:YES];
8039 }
8040
8041 @end
8042 /* }}} */
8043
8044 /* Stash Controller {{{ */
8045 @interface StashController : CyteViewController {
8046     _H<UIActivityIndicatorView> spinner_;
8047     _H<UILabel> status_;
8048     _H<UILabel> caption_;
8049 }
8050
8051 @end
8052
8053 @implementation StashController
8054
8055 - (void) loadView {
8056     UIView *view([[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]);
8057     [view setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight)];
8058     [self setView:view];
8059
8060     [view setBackgroundColor:[UIColor viewFlipsideBackgroundColor]];
8061
8062     spinner_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge] autorelease];
8063     CGRect spinrect = [spinner_ frame];
8064     spinrect.origin.x = Retina([[self view] frame].size.width / 2 - spinrect.size.width / 2);
8065     spinrect.origin.y = [[self view] frame].size.height - 80.0f;
8066     [spinner_ setFrame:spinrect];
8067     [spinner_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin];
8068     [view addSubview:spinner_];
8069     [spinner_ startAnimating];
8070
8071     CGRect captrect;
8072     captrect.size.width = [[self view] frame].size.width;
8073     captrect.size.height = 40.0f;
8074     captrect.origin.x = 0;
8075     captrect.origin.y = Retina([[self view] frame].size.height / 2 - captrect.size.height * 2);
8076     caption_ = [[[UILabel alloc] initWithFrame:captrect] autorelease];
8077     [caption_ setText:UCLocalize("PREPARING_FILESYSTEM")];
8078     [caption_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8079     [caption_ setFont:[UIFont boldSystemFontOfSize:28.0f]];
8080     [caption_ setTextColor:[UIColor whiteColor]];
8081     [caption_ setBackgroundColor:[UIColor clearColor]];
8082     [caption_ setShadowColor:[UIColor blackColor]];
8083     [caption_ setTextAlignment:NSTextAlignmentCenter];
8084     [view addSubview:caption_];
8085
8086     CGRect statusrect;
8087     statusrect.size.width = [[self view] frame].size.width;
8088     statusrect.size.height = 30.0f;
8089     statusrect.origin.x = 0;
8090     statusrect.origin.y = Retina([[self view] frame].size.height / 2 - statusrect.size.height);
8091     status_ = [[[UILabel alloc] initWithFrame:statusrect] autorelease];
8092     [status_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8093     [status_ setText:UCLocalize("EXIT_WHEN_COMPLETE")];
8094     [status_ setFont:[UIFont systemFontOfSize:16.0f]];
8095     [status_ setTextColor:[UIColor whiteColor]];
8096     [status_ setBackgroundColor:[UIColor clearColor]];
8097     [status_ setShadowColor:[UIColor blackColor]];
8098     [status_ setTextAlignment:NSTextAlignmentCenter];
8099     [view addSubview:status_];
8100 }
8101
8102 - (void) releaseSubviews {
8103     spinner_ = nil;
8104     status_ = nil;
8105     caption_ = nil;
8106
8107     [super releaseSubviews];
8108 }
8109
8110 @end
8111 /* }}} */
8112
8113 @interface Cydia : CyteApplication <
8114     ConfirmationControllerDelegate,
8115     DatabaseDelegate,
8116     CydiaDelegate
8117 > {
8118     _H<CyteWindow> window_;
8119     _H<CydiaTabBarController> tabbar_;
8120     _H<CyteTabBarController> emulated_;
8121     _H<AppCacheController> appcache_;
8122
8123     _H<NSMutableArray> essential_;
8124     _H<NSMutableArray> broken_;
8125
8126     Database *database_;
8127
8128     _H<NSURL> starturl_;
8129
8130     unsigned locked_;
8131
8132     _H<StashController> stash_;
8133
8134     bool loaded_;
8135 }
8136
8137 - (void) loadData;
8138
8139 @end
8140
8141 @implementation Cydia
8142
8143 - (void) lockSuspend {
8144     if (locked_++ == 0) {
8145         if ($SBSSetInterceptsMenuButtonForever != NULL)
8146             (*$SBSSetInterceptsMenuButtonForever)(true);
8147
8148         [self setIdleTimerDisabled:YES];
8149     }
8150 }
8151
8152 - (void) unlockSuspend {
8153     if (--locked_ == 0) {
8154         [self setIdleTimerDisabled:NO];
8155
8156         if ($SBSSetInterceptsMenuButtonForever != NULL)
8157             (*$SBSSetInterceptsMenuButtonForever)(false);
8158     }
8159 }
8160
8161 - (void) beginUpdate {
8162     [tabbar_ beginUpdate];
8163 }
8164
8165 - (void) cancelUpdate {
8166     [tabbar_ cancelUpdate];
8167 }
8168
8169 - (bool) requestUpdate {
8170     if (CyteIsReachable("cydia.saurik.com")) {
8171         [self beginUpdate];
8172         return true;
8173     } else {
8174         UIAlertView *alert = [[[UIAlertView alloc]
8175             initWithTitle:[NSString stringWithFormat:Colon_, Error_, UCLocalize("REFRESH")]
8176             message:@"Host Unreachable" // XXX: Localize
8177             delegate:self
8178             cancelButtonTitle:UCLocalize("OK")
8179             otherButtonTitles:nil
8180         ] autorelease];
8181
8182         [alert setContext:@"norefresh"];
8183         [alert show];
8184
8185         return false;
8186     }
8187 }
8188
8189 - (BOOL) updating {
8190     return [tabbar_ updating];
8191 }
8192
8193 - (void) _loaded {
8194     if ([broken_ count] != 0) {
8195         int count = [broken_ count];
8196
8197         UIAlertView *alert = [[[UIAlertView alloc]
8198             initWithTitle:(count == 1 ? UCLocalize("HALFINSTALLED_PACKAGE") : [NSString stringWithFormat:UCLocalize("HALFINSTALLED_PACKAGES"), count])
8199             message:UCLocalize("HALFINSTALLED_PACKAGE_EX")
8200             delegate:self
8201             cancelButtonTitle:[NSString stringWithFormat:UCLocalize("PARENTHETICAL"), UCLocalize("FORCIBLY_CLEAR"), UCLocalize("UNSAFE")]
8202             otherButtonTitles:
8203                 UCLocalize("TEMPORARY_IGNORE"),
8204             nil
8205         ] autorelease];
8206
8207         [alert setContext:@"fixhalf"];
8208         [alert setNumberOfRows:2];
8209         [alert show];
8210     } else if (!Ignored_ && [essential_ count] != 0) {
8211         int count = [essential_ count];
8212
8213         UIAlertView *alert = [[[UIAlertView alloc]
8214             initWithTitle:(count == 1 ? UCLocalize("ESSENTIAL_UPGRADE") : [NSString stringWithFormat:UCLocalize("ESSENTIAL_UPGRADES"), count])
8215             message:UCLocalize("ESSENTIAL_UPGRADE_EX")
8216             delegate:self
8217             cancelButtonTitle:UCLocalize("TEMPORARY_IGNORE")
8218             otherButtonTitles:
8219                 UCLocalize("UPGRADE_ESSENTIAL"),
8220                 UCLocalize("COMPLETE_UPGRADE"),
8221             nil
8222         ] autorelease];
8223
8224         [alert setContext:@"upgrade"];
8225         [alert show];
8226     }
8227 }
8228
8229 - (void) returnToCydia {
8230     [self _loaded];
8231 }
8232
8233 - (void) reloadSpringBoard {
8234     if (kCFCoreFoundationVersionNumber >= 700) // XXX: iOS 6.x
8235         system("/usr/libexec/cydia/cydo /bin/launchctl stop com.apple.backboardd");
8236     else
8237         system("/usr/libexec/cydia/cydo /bin/launchctl stop com.apple.SpringBoard");
8238     sleep(15);
8239     system("/usr/bin/killall backboardd SpringBoard");
8240 }
8241
8242 - (void) _saveConfig {
8243     SaveConfig(database_);
8244 }
8245
8246 // Navigation controller for the queuing badge.
8247 - (UINavigationController *) queueNavigationController {
8248     NSArray *controllers = [tabbar_ viewControllers];
8249     return [controllers objectAtIndex:3];
8250 }
8251
8252 - (void) _updateData {
8253     [self _saveConfig];
8254     [window_ unloadData];
8255
8256     UINavigationController *navigation = [self queueNavigationController];
8257
8258     id queuedelegate = nil;
8259     if ([[navigation viewControllers] count] > 0)
8260         queuedelegate = [[navigation viewControllers] objectAtIndex:0];
8261
8262     [queuedelegate queueStatusDidChange];
8263     [[navigation tabBarItem] setBadgeValue:(Queuing_ ? UCLocalize("Q_D") : nil)];
8264 }
8265
8266 - (void) _refreshIfPossible {
8267     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
8268
8269     NSDate *update([[NSDictionary dictionaryWithContentsOfFile:CacheState_] objectForKey:@"LastUpdate"]);
8270
8271     bool recently = false;
8272     if (update != nil) {
8273         NSTimeInterval interval([update timeIntervalSinceNow]);
8274         if (interval > -(15*60))
8275             recently = true;
8276     }
8277
8278     // Don't automatic refresh if:
8279     //  - We already refreshed recently.
8280     //  - We already auto-refreshed this launch.
8281     //  - Auto-refresh is disabled.
8282     //  - Cydia's server is not reachable
8283     if (recently || loaded_ || ManualRefresh || !CyteIsReachable("cydia.saurik.com")) {
8284         // If we are cancelling, we need to make sure it knows it's already loaded.
8285         loaded_ = true;
8286
8287         [self performSelectorOnMainThread:@selector(_loaded) withObject:nil waitUntilDone:NO];
8288     } else {
8289         // We are going to load, so remember that.
8290         loaded_ = true;
8291
8292         [tabbar_ performSelectorOnMainThread:@selector(beginUpdate) withObject:nil waitUntilDone:NO];
8293     }
8294
8295     [pool release];
8296 }
8297
8298 - (void) refreshIfPossible {
8299     [NSThread detachNewThreadSelector:@selector(_refreshIfPossible) toTarget:self withObject:nil];
8300 }
8301
8302 - (void) reloadDataWithInvocation:(NSInvocation *)invocation {
8303 _profile(reloadDataWithInvocation)
8304 @synchronized (self) {
8305     UIProgressHUD *hud(loaded_ ? [self addProgressHUD] : nil);
8306     if (hud != nil)
8307         [hud setText:UCLocalize("RELOADING_DATA")];
8308
8309     [database_ yieldToSelector:@selector(reloadDataWithInvocation:) withObject:invocation];
8310
8311     size_t changes(0);
8312
8313     [essential_ removeAllObjects];
8314     [broken_ removeAllObjects];
8315
8316     _profile(reloadDataWithInvocation$Essential)
8317     NSArray *packages([database_ packages]);
8318     for (Package *package in packages) {
8319         if ([package half])
8320             [broken_ addObject:package];
8321         if ([package upgradableAndEssential:YES] && ![package ignored]) {
8322             if ([package essential] && [package installed] != nil)
8323                 [essential_ addObject:package];
8324             ++changes;
8325         }
8326     }
8327     _end
8328
8329     UITabBarItem *changesItem = [[[tabbar_ viewControllers] objectAtIndex:2] tabBarItem];
8330     if (changes != 0) {
8331         _trace();
8332         NSString *badge([[NSNumber numberWithInt:changes] stringValue]);
8333         [changesItem setBadgeValue:badge];
8334         [changesItem setAnimatedBadge:([essential_ count] > 0)];
8335         [self setApplicationIconBadgeNumber:changes];
8336     } else {
8337         _trace();
8338         [changesItem setBadgeValue:nil];
8339         [changesItem setAnimatedBadge:NO];
8340         [self setApplicationIconBadgeNumber:0];
8341     }
8342
8343     Queuing_ = false;
8344     [self _updateData];
8345
8346     if (hud != nil)
8347         [self removeProgressHUD:hud];
8348 }
8349 _end
8350
8351     PrintTimes();
8352 }
8353
8354 - (void) updateData {
8355     [self _updateData];
8356 }
8357
8358 - (void) updateDataAndLoad {
8359     [self _updateData];
8360     if ([database_ progressDelegate] == nil)
8361         [self _loaded];
8362 }
8363
8364 - (void) update_ {
8365     [database_ update];
8366     [self performSelectorOnMainThread:@selector(reloadData) withObject:nil waitUntilDone:YES];
8367 }
8368
8369 - (void) disemulate {
8370     if (emulated_ == nil)
8371         return;
8372
8373     [window_ setRootViewController:tabbar_];
8374     emulated_ = nil;
8375
8376     [window_ setUserInteractionEnabled:YES];
8377 }
8378
8379 - (void) presentModalViewController:(UIViewController *)controller force:(BOOL)force {
8380     UINavigationController *navigation([[[UINavigationController alloc] initWithRootViewController:controller] autorelease]);
8381
8382     UIViewController *parent;
8383     if (emulated_ == nil)
8384         parent = tabbar_;
8385     else if (!force)
8386         parent = emulated_;
8387     else {
8388         [self disemulate];
8389         parent = tabbar_;
8390     }
8391
8392     if (IsWildcat_)
8393         [navigation setModalPresentationStyle:UIModalPresentationFormSheet];
8394     [parent presentModalViewController:navigation animated:YES];
8395 }
8396
8397 - (ProgressController *) invokeNewProgress:(NSInvocation *)invocation forController:(UINavigationController *)navigation withTitle:(NSString *)title {
8398     ProgressController *progress([[[ProgressController alloc] initWithDatabase:database_ delegate:self] autorelease]);
8399
8400     if (navigation != nil)
8401         [navigation pushViewController:progress animated:YES];
8402     else
8403         [self presentModalViewController:progress force:YES];
8404
8405     [progress invoke:invocation withTitle:title];
8406     return progress;
8407 }
8408
8409 - (void) detachNewProgressSelector:(SEL)selector toTarget:(id)target forController:(UINavigationController *)navigation title:(NSString *)title {
8410     [self invokeNewProgress:[NSInvocation invocationWithSelector:selector forTarget:target] forController:navigation withTitle:title];
8411 }
8412
8413 - (void) repairWithInvocation:(NSInvocation *)invocation {
8414     _trace();
8415     [self invokeNewProgress:invocation forController:nil withTitle:@"REPAIRING"];
8416     _trace();
8417 }
8418
8419 - (void) repairWithSelector:(SEL)selector {
8420     [self performSelectorOnMainThread:@selector(repairWithInvocation:) withObject:[NSInvocation invocationWithSelector:selector forTarget:database_] waitUntilDone:YES];
8421 }
8422
8423 - (void) reloadData {
8424     [self reloadDataWithInvocation:nil];
8425     if ([database_ progressDelegate] == nil)
8426         [self _loaded];
8427 }
8428
8429 - (void) syncData {
8430     [self _saveConfig];
8431     [self detachNewProgressSelector:@selector(update_) toTarget:self forController:nil title:@"UPDATING_SOURCES"];
8432 }
8433
8434 - (void) addSource:(NSDictionary *) source {
8435     CydiaAddSource(source);
8436 }
8437
8438 - (void) addSource:(NSString *)href withDistribution:(NSString *)distribution andSections:(NSArray *)sections {
8439     CydiaAddSource(href, distribution, sections);
8440 }
8441
8442 // XXX: this method should not return anything
8443 - (BOOL) addTrivialSource:(NSString *)href {
8444     CydiaAddSource(href, @"./");
8445     return YES;
8446 }
8447
8448 - (void) resolve {
8449     pkgProblemResolver *resolver = [database_ resolver];
8450
8451     resolver->InstallProtect();
8452     if (!resolver->Resolve(true))
8453         _error->Discard();
8454 }
8455
8456 - (bool) perform {
8457     // XXX: this is a really crappy way of doing this.
8458     // like, seriously: this state machine is still broken, and cancelling this here doesn't really /fix/ that.
8459     // for one, the user can still /start/ a reloading data event while they have a queue, which is stupid
8460     // for two, this just means there is a race condition between the refresh completing and the confirmation controller appearing.
8461     if ([tabbar_ updating])
8462         [tabbar_ cancelUpdate];
8463
8464     if (![database_ prepare])
8465         return false;
8466
8467     ConfirmationController *page([[[ConfirmationController alloc] initWithDatabase:database_] autorelease]);
8468     [page setDelegate:self];
8469     UINavigationController *confirm_([[[UINavigationController alloc] initWithRootViewController:page] autorelease]);
8470
8471     if (IsWildcat_)
8472         [confirm_ setModalPresentationStyle:UIModalPresentationFormSheet];
8473     [tabbar_ presentModalViewController:confirm_ animated:YES];
8474
8475     return true;
8476 }
8477
8478 - (void) queue {
8479     @synchronized (self) {
8480         [self perform];
8481     }
8482 }
8483
8484 - (void) clearPackage:(Package *)package {
8485     @synchronized (self) {
8486         [package clear];
8487         [self resolve];
8488         [self perform];
8489     }
8490 }
8491
8492 - (void) installPackages:(NSArray *)packages {
8493     @synchronized (self) {
8494         for (Package *package in packages)
8495             [package install];
8496         [self resolve];
8497         [self perform];
8498     }
8499 }
8500
8501 - (void) installPackage:(Package *)package {
8502     @synchronized (self) {
8503         [package install];
8504         [self resolve];
8505         [self perform];
8506     }
8507 }
8508
8509 - (void) removePackage:(Package *)package {
8510     @synchronized (self) {
8511         [package remove];
8512         [self resolve];
8513         [self perform];
8514     }
8515 }
8516
8517 - (void) distUpgrade {
8518     @synchronized (self) {
8519         if (![database_ upgrade])
8520             return;
8521         [self perform];
8522     }
8523 }
8524
8525 - (void) _uicache {
8526     _trace();
8527     system("/usr/bin/uicache");
8528     _trace();
8529 }
8530
8531 - (void) uicache {
8532     UIProgressHUD *hud([self addProgressHUD]);
8533     [hud setText:UCLocalize("LOADING")];
8534     [self yieldToSelector:@selector(_uicache)];
8535     [self removeProgressHUD:hud];
8536 }
8537
8538 - (void) perform_ {
8539     [database_ perform];
8540     [self performSelectorOnMainThread:@selector(reloadData) withObject:nil waitUntilDone:YES];
8541     [self performSelectorOnMainThread:@selector(uicache) withObject:nil waitUntilDone:YES];
8542 }
8543
8544 - (void) confirmWithNavigationController:(UINavigationController *)navigation {
8545     Queuing_ = false;
8546     [self lockSuspend];
8547     [self detachNewProgressSelector:@selector(perform_) toTarget:self forController:navigation title:@"RUNNING"];
8548     [self unlockSuspend];
8549 }
8550
8551 - (void) cancelAndClear:(bool)clear {
8552     @synchronized (self) {
8553         if (clear) {
8554             [database_ clear];
8555             Queuing_ = false;
8556         } else {
8557             Queuing_ = true;
8558         }
8559
8560         [self _updateData];
8561     }
8562 }
8563
8564 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
8565     NSString *context([alert context]);
8566
8567     if ([context isEqualToString:@"conffile"]) {
8568         FILE *input = [database_ input];
8569         if (button == [alert cancelButtonIndex])
8570             fprintf(input, "N\n");
8571         else if (button == [alert firstOtherButtonIndex])
8572             fprintf(input, "Y\n");
8573         fflush(input);
8574
8575         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8576     } else if ([context isEqualToString:@"fixhalf"]) {
8577         if (button == [alert cancelButtonIndex]) {
8578             @synchronized (self) {
8579                 for (Package *broken in (id) broken_) {
8580                     [broken remove];
8581                     NSString *id(ShellEscape([broken id]));
8582                     system([[NSString stringWithFormat:@"/usr/libexec/cydia/cydo /bin/rm -f"
8583                         " /var/lib/dpkg/info/%@.prerm"
8584                         " /var/lib/dpkg/info/%@.postrm"
8585                         " /var/lib/dpkg/info/%@.preinst"
8586                         " /var/lib/dpkg/info/%@.postinst"
8587                         " /var/lib/dpkg/info/%@.extrainst_"
8588                     "", id, id, id, id, id] UTF8String]);
8589                 }
8590
8591                 [self resolve];
8592                 [self perform];
8593             }
8594         } else if (button == [alert firstOtherButtonIndex]) {
8595             [broken_ removeAllObjects];
8596             [self _loaded];
8597         }
8598
8599         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8600     } else if ([context isEqualToString:@"upgrade"]) {
8601         if (button == [alert firstOtherButtonIndex]) {
8602             @synchronized (self) {
8603                 for (Package *essential in (id) essential_)
8604                     [essential install];
8605
8606                 [self resolve];
8607                 [self perform];
8608             }
8609         } else if (button == [alert firstOtherButtonIndex] + 1) {
8610             [self distUpgrade];
8611         } else if (button == [alert cancelButtonIndex]) {
8612             Ignored_ = YES;
8613         }
8614
8615         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8616     }
8617 }
8618
8619 - (void) system:(NSString *)command {
8620     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
8621
8622     _trace();
8623     system([command UTF8String]);
8624     _trace();
8625
8626     [pool release];
8627 }
8628
8629 - (void) applicationWillSuspend {
8630     [database_ clean];
8631     [super applicationWillSuspend];
8632 }
8633
8634 - (BOOL) isSafeToSuspend {
8635     if (locked_ != 0) {
8636 #if !ForRelease
8637         NSLog(@"isSafeToSuspend: locked_ != 0");
8638 #endif
8639         return false;
8640     }
8641
8642     if ([tabbar_ modalViewController] != nil)
8643         return false;
8644
8645     // Use external process status API internally.
8646     // This is probably a really bad idea.
8647     // XXX: what is the point of this? does this solve anything at all?
8648     uint64_t status = 0;
8649     int notify_token;
8650     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
8651         notify_get_state(notify_token, &status);
8652         notify_cancel(notify_token);
8653     }
8654
8655     if (status != 0) {
8656 #if !ForRelease
8657         NSLog(@"isSafeToSuspend: status != 0");
8658 #endif
8659         return false;
8660     }
8661
8662 #if !ForRelease
8663     NSLog(@"isSafeToSuspend: -> true");
8664 #endif
8665     return true;
8666 }
8667
8668 - (void) suspendReturningToLastApp:(BOOL)returning {
8669     if ([self isSafeToSuspend])
8670         [super suspendReturningToLastApp:returning];
8671 }
8672
8673 - (void) suspend {
8674     if ([self isSafeToSuspend])
8675         [super suspend];
8676 }
8677
8678 - (void) applicationSuspend {
8679     if ([self isSafeToSuspend])
8680         [super applicationSuspend];
8681 }
8682
8683 - (void) applicationSuspend:(GSEventRef)event {
8684     if ([self isSafeToSuspend])
8685         [super applicationSuspend:event];
8686 }
8687
8688 - (void) _animateSuspension:(BOOL)arg0 duration:(double)arg1 startTime:(double)arg2 scale:(float)arg3 {
8689     if ([self isSafeToSuspend])
8690         [super _animateSuspension:arg0 duration:arg1 startTime:arg2 scale:arg3];
8691 }
8692
8693 - (void) _setSuspended:(BOOL)value {
8694     if ([self isSafeToSuspend])
8695         [super _setSuspended:value];
8696 }
8697
8698 - (UIProgressHUD *) addProgressHUD {
8699     UIProgressHUD *hud([[[UIProgressHUD alloc] init] autorelease]);
8700     [hud setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8701
8702     [window_ setUserInteractionEnabled:NO];
8703
8704     UIViewController *target(tabbar_);
8705     if (UIViewController *modal = [target modalViewController])
8706         target = modal;
8707
8708     [hud showInView:[target view]];
8709
8710     [self lockSuspend];
8711     return hud;
8712 }
8713
8714 - (void) removeProgressHUD:(UIProgressHUD *)hud {
8715     [self unlockSuspend];
8716     [hud hide];
8717     [hud removeFromSuperview];
8718     [window_ setUserInteractionEnabled:YES];
8719 }
8720
8721 - (CyteViewController *) pageForPackage:(NSString *)name withReferrer:(NSString *)referrer {
8722     return [[[CYPackageController alloc] initWithDatabase:database_ forPackage:name withReferrer:referrer] autorelease];
8723 }
8724
8725 - (CyteViewController *) pageForURL:(NSURL *)url forExternal:(BOOL)external withReferrer:(NSString *)referrer {
8726     NSString *scheme([[url scheme] lowercaseString]);
8727     if ([[url absoluteString] length] <= [scheme length] + 3)
8728         return nil;
8729     NSString *path([[url absoluteString] substringFromIndex:[scheme length] + 3]);
8730     NSArray *components([path componentsSeparatedByString:@"/"]);
8731
8732     if ([scheme isEqualToString:@"apptapp"] && [components count] > 0 && [[components objectAtIndex:0] isEqualToString:@"package"]) {
8733         CyteViewController *controller([self pageForPackage:[components objectAtIndex:1] withReferrer:referrer]);
8734         if (controller != nil)
8735             [controller setDelegate:self];
8736         return controller;
8737     }
8738
8739     if ([components count] < 1 || ![scheme isEqualToString:@"cydia"])
8740         return nil;
8741
8742     NSString *base([components objectAtIndex:0]);
8743
8744     CyteViewController *controller = nil;
8745
8746     if ([base isEqualToString:@"url"]) {
8747         // This kind of URL can contain slashes in the argument, so we can't parse them below.
8748         NSString *destination = [[url absoluteString] substringFromIndex:([scheme length] + [@"://" length] + [base length] + [@"/" length])];
8749         controller = [[[CydiaWebViewController alloc] initWithURL:[NSURL URLWithString:destination]] autorelease];
8750     } else if (!external && [components count] == 1) {
8751         if ([base isEqualToString:@"sources"]) {
8752             controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
8753         }
8754
8755         if ([base isEqualToString:@"home"]) {
8756             controller = [[[HomeController alloc] init] autorelease];
8757         }
8758
8759         if ([base isEqualToString:@"sections"]) {
8760             controller = [[[SectionsController alloc] initWithDatabase:database_ source:nil] autorelease];
8761         }
8762
8763         if ([base isEqualToString:@"search"]) {
8764             controller = [[[SearchController alloc] initWithDatabase:database_ query:nil] autorelease];
8765         }
8766
8767         if ([base isEqualToString:@"changes"]) {
8768             controller = [[[ChangesController alloc] initWithDatabase:database_] autorelease];
8769         }
8770
8771         if ([base isEqualToString:@"installed"]) {
8772             controller = [[[InstalledController alloc] initWithDatabase:database_] autorelease];
8773         }
8774     } else if ([components count] == 2) {
8775         NSString *argument = [[components objectAtIndex:1] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
8776
8777         if ([base isEqualToString:@"package"]) {
8778             controller = [self pageForPackage:argument withReferrer:referrer];
8779         }
8780
8781         if (!external && [base isEqualToString:@"search"]) {
8782             controller = [[[SearchController alloc] initWithDatabase:database_ query:argument] autorelease];
8783         }
8784
8785         if (!external && [base isEqualToString:@"sections"]) {
8786             if ([argument isEqualToString:@"all"] || [argument isEqualToString:@"*"])
8787                 argument = nil;
8788             controller = [[[SectionController alloc] initWithDatabase:database_ source:nil section:argument] autorelease];
8789         }
8790
8791         if ([base isEqualToString:@"sources"]) {
8792             if ([argument isEqualToString:@"add"]) {
8793                 controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
8794                 [(SourcesController *)controller showAddSourcePrompt];
8795             } else {
8796                 Source *source([database_ sourceWithKey:argument]);
8797                 controller = [[[SectionsController alloc] initWithDatabase:database_ source:source] autorelease];
8798             }
8799         }
8800
8801         if (!external && [base isEqualToString:@"launch"]) {
8802             [self launchApplicationWithIdentifier:argument suspended:NO];
8803             return nil;
8804         }
8805     } else if (!external && [components count] == 3) {
8806         NSString *arg1 = [[components objectAtIndex:1] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
8807         NSString *arg2 = [[components objectAtIndex:2] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
8808
8809         if ([base isEqualToString:@"package"]) {
8810             if ([arg2 isEqualToString:@"settings"]) {
8811                 controller = [[[PackageSettingsController alloc] initWithDatabase:database_ package:arg1] autorelease];
8812             } else if ([arg2 isEqualToString:@"files"]) {
8813                 controller = [[[FileTable alloc] initWithDatabase:database_ forPackage:arg1] autorelease];
8814             }
8815         }
8816
8817         if ([base isEqualToString:@"sections"]) {
8818             Source *source([arg1 isEqualToString:@"*"] ? nil : [database_ sourceWithKey:arg1]);
8819             NSString *section([arg2 isEqualToString:@"*"] ? nil : arg2);
8820             controller = [[[SectionController alloc] initWithDatabase:database_ source:source section:section] autorelease];
8821         }
8822     }
8823
8824     [controller setDelegate:self];
8825     return controller;
8826 }
8827
8828 - (BOOL) openCydiaURL:(NSURL *)url forExternal:(BOOL)external {
8829     CyteViewController *page([self pageForURL:url forExternal:external withReferrer:nil]);
8830
8831     if (page != nil)
8832         [tabbar_ setUnselectedViewController:page];
8833
8834     return page != nil;
8835 }
8836
8837 - (void) applicationOpenURL:(NSURL *)url {
8838     [super applicationOpenURL:url];
8839
8840     if (!loaded_)
8841         starturl_ = url;
8842     else
8843         [self openCydiaURL:url forExternal:YES];
8844 }
8845
8846 - (void) applicationWillResignActive:(UIApplication *)application {
8847     // Stop refreshing if you get a phone call or lock the device.
8848     if ([tabbar_ updating])
8849         [tabbar_ cancelUpdate];
8850
8851     if ([[self superclass] instancesRespondToSelector:@selector(applicationWillResignActive:)])
8852         [super applicationWillResignActive:application];
8853 }
8854
8855 - (void) saveState {
8856     [[NSDictionary dictionaryWithObjectsAndKeys:
8857         @"InterfaceState", [tabbar_ navigationURLCollection],
8858         @"LastClosed", [NSDate date],
8859         @"InterfaceIndex", [NSNumber numberWithInt:[tabbar_ selectedIndex]],
8860     nil] writeToFile:SavedState_ atomically:YES];
8861
8862     [self _saveConfig];
8863 }
8864
8865 - (void) applicationWillTerminate:(UIApplication *)application {
8866     [self saveState];
8867 }
8868
8869 - (void) applicationDidEnterBackground:(UIApplication *)application {
8870     if (kCFCoreFoundationVersionNumber < 1000 && [self isSafeToSuspend])
8871         return [self terminateWithSuccess];
8872     Backgrounded_ = [NSDate date];
8873     [self saveState];
8874 }
8875
8876 - (void) applicationWillEnterForeground:(UIApplication *)application {
8877     if (Backgrounded_ == nil)
8878         return;
8879
8880     NSTimeInterval interval([Backgrounded_ timeIntervalSinceNow]);
8881
8882     if (interval <= -(30*60)) {
8883         [tabbar_ setSelectedIndex:0];
8884         [[[tabbar_ viewControllers] objectAtIndex:0] popToRootViewControllerAnimated:NO];
8885     }
8886
8887     if (interval <= -(15*60)) {
8888         if (CyteIsReachable("cydia.saurik.com")) {
8889             [tabbar_ beginUpdate];
8890             [appcache_ reloadURLWithCache:YES];
8891         }
8892     }
8893
8894     if ([database_ delocked])
8895         [self reloadData];
8896 }
8897
8898 - (void) setConfigurationData:(NSString *)data {
8899     static RegEx conffile_r("'(.*)' '(.*)' ([01]) ([01])");
8900
8901     if (!conffile_r(data)) {
8902         lprintf("E:invalid conffile\n");
8903         return;
8904     }
8905
8906     NSString *ofile = conffile_r[1];
8907     //NSString *nfile = conffile_r[2];
8908
8909     UIAlertView *alert = [[[UIAlertView alloc]
8910         initWithTitle:UCLocalize("CONFIGURATION_UPGRADE")
8911         message:[NSString stringWithFormat:@"%@\n\n%@", UCLocalize("CONFIGURATION_UPGRADE_EX"), ofile]
8912         delegate:self
8913         cancelButtonTitle:UCLocalize("KEEP_OLD_COPY")
8914         otherButtonTitles:
8915             UCLocalize("ACCEPT_NEW_COPY"),
8916             // XXX: UCLocalize("SEE_WHAT_CHANGED"),
8917         nil
8918     ] autorelease];
8919
8920     [alert setContext:@"conffile"];
8921     [alert setNumberOfRows:2];
8922     [alert show];
8923 }
8924
8925 - (void) addStashController {
8926     [self lockSuspend];
8927     stash_ = [[[StashController alloc] init] autorelease];
8928     [window_ addSubview:[stash_ view]];
8929 }
8930
8931 - (void) removeStashController {
8932     [[stash_ view] removeFromSuperview];
8933     stash_ = nil;
8934     [self unlockSuspend];
8935 }
8936
8937 - (void) stash {
8938     [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleBlackOpaque];
8939     UpdateExternalStatus(1);
8940     [self yieldToSelector:@selector(system:) withObject:@"/usr/libexec/cydia/cydo /usr/libexec/cydia/free.sh"];
8941     UpdateExternalStatus(0);
8942
8943     [self removeStashController];
8944     [self reloadSpringBoard];
8945 }
8946
8947 - (void) applicationDidFinishLaunching:(id)unused {
8948     [super applicationDidFinishLaunching:unused];
8949     [CyteWebViewController _initialize];
8950
8951     [BridgedHosts_ addObject:[[NSURL URLWithString:CydiaURL(@"")] host]];
8952
8953     [NSURLProtocol registerClass:[CydiaURLProtocol class]];
8954
8955     // this would disallow http{,s} URLs from accessing this data
8956     //[WebView registerURLSchemeAsLocal:@"cydia"];
8957
8958     Font12_ = [UIFont systemFontOfSize:12];
8959     Font12Bold_ = [UIFont boldSystemFontOfSize:12];
8960     Font14_ = [UIFont systemFontOfSize:14];
8961     Font18_ = [UIFont systemFontOfSize:18];
8962     Font18Bold_ = [UIFont boldSystemFontOfSize:18];
8963     Font22Bold_ = [UIFont boldSystemFontOfSize:22];
8964
8965     essential_ = [NSMutableArray arrayWithCapacity:4];
8966     broken_ = [NSMutableArray arrayWithCapacity:4];
8967
8968     // XXX: I really need this thing... like, seriously... I'm sorry
8969     appcache_ = [[[AppCacheController alloc] initWithURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/appcache/", UI_]]] autorelease];
8970     [appcache_ reloadData];
8971
8972     window_ = [[[CyteWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease];
8973     [window_ orderFront:self];
8974     [window_ makeKey:self];
8975     [window_ setHidden:NO];
8976
8977     if (access("/.cydia_no_stash", F_OK) == 0);
8978     else {
8979
8980     if (false) stash: {
8981         [self addStashController];
8982         // XXX: this would be much cleaner as a yieldToSelector:
8983         // that way the removeStashController could happen right here inline
8984         // we also could no longer require the useless stash_ field anymore
8985         [self performSelector:@selector(stash) withObject:nil afterDelay:0];
8986         return;
8987     }
8988
8989     struct stat root;
8990     int error(stat("/", &root));
8991     _assert(error != -1);
8992
8993     #define Stash_(path) do { \
8994         struct stat folder; \
8995         int error(lstat((path), &folder)); \
8996         if (error != -1 && ( \
8997             folder.st_dev == root.st_dev && \
8998             S_ISDIR(folder.st_mode) \
8999         ) || error == -1 && ( \
9000             errno == ENOENT || \
9001             errno == ENOTDIR \
9002         )) goto stash; \
9003     } while (false)
9004
9005     Stash_("/Applications");
9006     Stash_("/Library/Ringtones");
9007     Stash_("/Library/Wallpaper");
9008     //Stash_("/usr/bin");
9009     Stash_("/usr/include");
9010     Stash_("/usr/share");
9011     //Stash_("/var/lib");
9012
9013     }
9014
9015     database_ = [Database sharedInstance];
9016     [database_ setDelegate:self];
9017
9018     [window_ setUserInteractionEnabled:NO];
9019
9020     tabbar_ = [[[CydiaTabBarController alloc] initWithDatabase:database_] autorelease];
9021
9022     [tabbar_ addViewControllers:nil,
9023         @"Cydia", @"home.png", @"home7.png", @"home7s.png",
9024         UCLocalize("SOURCES"), @"install.png", @"install7.png", @"install7s.png",
9025         UCLocalize("CHANGES"), @"changes.png", @"changes7.png", @"changes7s.png",
9026         UCLocalize("INSTALLED"), @"manage.png", @"manage7.png", @"manage7s.png",
9027         UCLocalize("SEARCH"), @"search.png", @"search7.png", @"search7s.png",
9028     nil];
9029
9030     [tabbar_ setUpdateDelegate:self];
9031
9032     CydiaLoadingViewController *loading([[[CydiaLoadingViewController alloc] init] autorelease]);
9033     UINavigationController *navigation([[[UINavigationController alloc] init] autorelease]);
9034     [navigation setViewControllers:[NSArray arrayWithObject:loading]];
9035
9036     emulated_ = [[[CyteTabBarController alloc] init] autorelease];
9037     [emulated_ setViewControllers:[NSArray arrayWithObject:navigation]];
9038     [emulated_ setSelectedIndex:0];
9039
9040     if ([emulated_ respondsToSelector:@selector(concealTabBarSelection)])
9041         [emulated_ concealTabBarSelection];
9042
9043     [window_ setRootViewController:emulated_];
9044
9045     [self performSelector:@selector(loadData) withObject:nil afterDelay:0];
9046 _trace();
9047 }
9048
9049 - (NSArray *) defaultStartPages {
9050     NSMutableArray *standard = [NSMutableArray array];
9051     [standard addObject:[NSArray arrayWithObject:@"cydia://home"]];
9052     [standard addObject:[NSArray arrayWithObject:@"cydia://sources"]];
9053     [standard addObject:[NSArray arrayWithObject:@"cydia://changes"]];
9054     [standard addObject:[NSArray arrayWithObject:@"cydia://installed"]];
9055     [standard addObject:[NSArray arrayWithObject:@"cydia://search"]];
9056     return standard;
9057 }
9058
9059 - (void) loadData {
9060 _trace();
9061     if ([emulated_ modalViewController] != nil)
9062         [emulated_ dismissModalViewControllerAnimated:YES];
9063     [window_ setUserInteractionEnabled:NO];
9064
9065     [self reloadDataWithInvocation:nil];
9066     [self refreshIfPossible];
9067     [self disemulate];
9068
9069     NSDictionary *state([NSDictionary dictionaryWithContentsOfFile:SavedState_]);
9070
9071     int savedIndex = [[state objectForKey:@"InterfaceIndex"] intValue];
9072     NSArray *saved = [[[state objectForKey:@"InterfaceState"] mutableCopy] autorelease];
9073     int standardIndex = 0;
9074     NSArray *standard = [self defaultStartPages];
9075
9076     BOOL valid = YES;
9077
9078     if (saved == nil)
9079         valid = NO;
9080
9081     NSDate *closed = [state objectForKey:@"LastClosed"];
9082     if (valid && closed != nil) {
9083         NSTimeInterval interval([closed timeIntervalSinceNow]);
9084         if (interval <= -(30*60))
9085             valid = NO;
9086     }
9087
9088     if (valid && [saved count] != [standard count])
9089         valid = NO;
9090
9091     if (valid) {
9092         for (unsigned int i = 0; i < [standard count]; i++) {
9093             NSArray *std = [standard objectAtIndex:i], *sav = [saved objectAtIndex:i];
9094             // XXX: The "hasPrefix" sanity check here could be, in theory, fooled,
9095             //      but it's good enough for now.
9096             if ([sav count] == 0 || ![[sav objectAtIndex:0] hasPrefix:[std objectAtIndex:0]]) {
9097                 valid = NO;
9098                 break;
9099             }
9100         }
9101     }
9102
9103     NSArray *items = nil;
9104     if (valid) {
9105         [tabbar_ setSelectedIndex:savedIndex];
9106         items = saved;
9107     } else {
9108         [tabbar_ setSelectedIndex:standardIndex];
9109         items = standard;
9110     }
9111
9112     for (unsigned int tab = 0; tab < [[tabbar_ viewControllers] count]; tab++) {
9113         NSArray *stack = [items objectAtIndex:tab];
9114         UINavigationController *navigation = [[tabbar_ viewControllers] objectAtIndex:tab];
9115         NSMutableArray *current = [NSMutableArray array];
9116
9117         for (unsigned int nav = 0; nav < [stack count]; nav++) {
9118             NSString *addr = [stack objectAtIndex:nav];
9119             NSURL *url = [NSURL URLWithString:addr];
9120             CyteViewController *page = [self pageForURL:url forExternal:NO withReferrer:nil];
9121             if (page != nil)
9122                 [current addObject:page];
9123         }
9124
9125         [navigation setViewControllers:current];
9126     }
9127
9128     // (Try to) show the startup URL.
9129     if (starturl_ != nil) {
9130         [self openCydiaURL:starturl_ forExternal:YES];
9131         starturl_ = nil;
9132     }
9133 }
9134
9135 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item {
9136     if (!IsWildcat_) {
9137        [sheet addButtonWithTitle:UCLocalize("CANCEL")];
9138        [sheet setCancelButtonIndex:[sheet numberOfButtons] - 1];
9139     }
9140
9141     if (item != nil && IsWildcat_) {
9142         [sheet showFromBarButtonItem:item animated:YES];
9143     } else {
9144         [sheet showInView:window_];
9145     }
9146 }
9147
9148 - (void) addProgressEvent:(CydiaProgressEvent *)event forTask:(NSString *)task {
9149     id<ProgressDelegate> progress([database_ progressDelegate] ?: [self invokeNewProgress:nil forController:nil withTitle:task]);
9150     [progress setTitle:task];
9151     [progress addProgressEvent:event];
9152 }
9153
9154 - (void) addProgressEventForTask:(NSArray *)data {
9155     CydiaProgressEvent *event([data objectAtIndex:0]);
9156     NSString *task([data count] < 2 ? nil : [data objectAtIndex:1]);
9157     [self addProgressEvent:event forTask:task];
9158 }
9159
9160 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task {
9161     [self performSelectorOnMainThread:@selector(addProgressEventForTask:) withObject:[NSArray arrayWithObjects:event, task, nil] waitUntilDone:YES];
9162 }
9163
9164 @end
9165
9166 /*IMP alloc_;
9167 id Alloc_(id self, SEL selector) {
9168     id object = alloc_(self, selector);
9169     lprintf("[%s]A-%p\n", self->isa->name, object);
9170     return object;
9171 }*/
9172
9173 /*IMP dealloc_;
9174 id Dealloc_(id self, SEL selector) {
9175     id object = dealloc_(self, selector);
9176     lprintf("[%s]D-%p\n", self->isa->name, object);
9177     return object;
9178 }*/
9179
9180 static NSMutableDictionary *AutoreleaseDeepMutableCopyOfDictionary(CFTypeRef type) {
9181     if (type == NULL)
9182         return nil;
9183     if (CFGetTypeID(type) != CFDictionaryGetTypeID())
9184         return nil;
9185     CFTypeRef copy(CFPropertyListCreateDeepCopy(kCFAllocatorDefault, type, kCFPropertyListMutableContainers));
9186     CFRelease(type);
9187     return [(NSMutableDictionary *) copy autorelease];
9188 }
9189
9190 int main_copy();
9191 int main_file();
9192 int main_gpgv();
9193 int main_rred(int, char *argv[]);
9194
9195 int main_gzip(int, char *argv[]);
9196
9197 int main_store(int, char *argv[]);
9198
9199 int main_http();
9200
9201 int main(int argc, char *argv[]) {
9202     const char *argv0(argv[0]);
9203     if (const char *slash = strrchr(argv0, '/'))
9204         argv0 = slash + 1;
9205     if (false);
9206     else if (!strcmp(argv0, "copy"))
9207         return main_copy();
9208     else if (!strcmp(argv0, "file"))
9209         return main_file();
9210     else if (!strcmp(argv0, "gpgv"))
9211         return main_gpgv();
9212     else if (!strcmp(argv0, "rred"))
9213         return main_rred(argc, argv);
9214 #ifdef __arm__
9215     else if (!strcmp(argv0, "bzip2"))
9216         return main_gzip(argc, argv);
9217     else if (!strcmp(argv0, "gzip"))
9218         return main_gzip(argc, argv);
9219     else if (!strcmp(argv0, "lzma"))
9220         return main_gzip(argc, argv);
9221 #endif
9222 #ifndef __arm__
9223     else if (!strcmp(argv0, "store"))
9224         return main_store(argc, argv);
9225 #endif
9226     else if (!strcmp(argv0, "http"))
9227         return main_http();
9228     else if (!strcmp(argv0, "https"))
9229         return main_http();
9230     else {}
9231
9232     int fd(open("/tmp/cydia.log", O_WRONLY | O_APPEND | O_CREAT, 0644));
9233     dup2(fd, 2);
9234     close(fd);
9235
9236     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
9237
9238     _trace();
9239
9240     CyteInitialize([NSString stringWithFormat:@"Cydia/%@", Cydia_]);
9241     UpdateExternalStatus(0);
9242
9243     SessionData_ = [NSMutableDictionary dictionaryWithCapacity:4];
9244     BridgedHosts_ = [NSMutableSet setWithCapacity:4];
9245     InsecureHosts_ = [NSMutableSet setWithCapacity:4];
9246
9247     UI_ = CydiaURL([NSString stringWithFormat:@"ui/ios~%@/1.1", IsWildcat_ ? @"ipad" : @"iphone"]);
9248     PackageName = reinterpret_cast<CYString &(*)(Package *, SEL)>(method_getImplementation(class_getInstanceMethod([Package class], @selector(cyname))));
9249
9250     /* Set Locale {{{ */
9251     Locale_ = CFLocaleCopyCurrent();
9252     Languages_ = [NSLocale preferredLanguages];
9253
9254     std::string languages;
9255     const char *translation(NULL);
9256
9257     // XXX: this isn't really a language, but this is compatible with older Cydia builds
9258     if (Locale_ != NULL)
9259         if (const char *language = [(NSString *) CFLocaleGetIdentifier(Locale_) UTF8String]) {
9260             RegEx pattern("([a-z][a-z])(?:-[A-Za-z]*)?(_[A-Z][A-Z])?");
9261             if (pattern(language)) {
9262                 translation = strdup([pattern->*@"%1$@%2$@" UTF8String]);
9263                 languages += translation;
9264                 languages += ",";
9265             }
9266         }
9267
9268     if (Languages_ != nil)
9269         for (NSString *locale : Languages_) {
9270             auto components([NSLocale componentsFromLocaleIdentifier:locale]);
9271             NSString *language([components objectForKey:(id)kCFLocaleLanguageCode]);
9272             if (NSString *script = [components objectForKey:(id)kCFLocaleScriptCode])
9273                 language = [NSString stringWithFormat:@"%@-%@", language, script];
9274             languages += [language UTF8String];
9275             languages += ",";
9276         }
9277
9278     languages += "en";
9279     NSLog(@"Setting Language: [%s] %s", translation, languages.c_str());
9280     /* }}} */
9281     /* Index Collation {{{ */
9282     if (Class $UILocalizedIndexedCollation = objc_getClass("UILocalizedIndexedCollation")) { @try {
9283         NSBundle *bundle([NSBundle bundleForClass:$UILocalizedIndexedCollation]);
9284         NSString *path([bundle pathForResource:@"UITableViewLocalizedSectionIndex" ofType:@"plist"]);
9285         //path = @"/System/Library/Frameworks/UIKit.framework/.lproj/UITableViewLocalizedSectionIndex.plist";
9286         NSDictionary *dictionary([NSDictionary dictionaryWithContentsOfFile:path]);
9287         _H<UILocalizedIndexedCollation> collation([[[$UILocalizedIndexedCollation alloc] initWithDictionary:dictionary] autorelease]);
9288
9289         CollationLocale_ = MSHookIvar<NSLocale *>(collation, "_locale");
9290
9291         if (kCFCoreFoundationVersionNumber >= 800 && [[CollationLocale_ localeIdentifier] isEqualToString:@"zh@collation=stroke"]) {
9292             CollationThumbs_ = [NSArray arrayWithObjects:@"1",@"•",@"4",@"•",@"7",@"•",@"10",@"•",@"13",@"•",@"16",@"•",@"19",@"A",@"•",@"E",@"•",@"I",@"•",@"M",@"•",@"R",@"•",@"V",@"•",@"Z",@"#",nil];
9293             for (NSInteger offset : (NSInteger[]) {0,1,3,4,6,7,9,10,12,13,15,16,18,25,26,29,30,33,34,37,38,42,43,46,47,50,51})
9294                 CollationOffset_.push_back(offset);
9295             CollationTitles_ = [NSArray arrayWithObjects:@"1 畫",@"2 畫",@"3 畫",@"4 畫",@"5 畫",@"6 畫",@"7 畫",@"8 畫",@"9 畫",@"10 畫",@"11 畫",@"12 畫",@"13 畫",@"14 畫",@"15 畫",@"16 畫",@"17 畫",@"18 畫",@"19 畫",@"20 畫",@"21 畫",@"22 畫",@"23 畫",@"24 畫",@"25 畫以上",@"A",@"B",@"C",@"D",@"E",@"F",@"G",@"H",@"I",@"J",@"K",@"L",@"M",@"N",@"O",@"P",@"Q",@"R",@"S",@"T",@"U",@"V",@"W",@"X",@"Y",@"Z",@"#",nil];
9296             CollationStarts_ = [NSArray arrayWithObjects:@"一",@"丁",@"丈",@"不",@"且",@"丞",@"串",@"並",@"亭",@"乘",@"乾",@"傀",@"亂",@"僎",@"僵",@"儐",@"償",@"叢",@"儳",@"嚴",@"儷",@"儻",@"囌",@"囑",@"廳",@"a",@"b",@"c",@"d",@"e",@"f",@"g",@"h",@"i",@"j",@"k",@"l",@"m",@"n",@"o",@"p",@"q",@"r",@"s",@"t",@"u",@"v",@"w",@"x",@"y",@"z",@"ʒ",nil];
9297         } else {
9298
9299         CollationThumbs_ = [collation sectionIndexTitles];
9300         for (size_t index(0), end([CollationThumbs_ count]); index != end; ++index)
9301             CollationOffset_.push_back([collation sectionForSectionIndexTitleAtIndex:index]);
9302
9303         CollationTitles_ = [collation sectionTitles];
9304         CollationStarts_ = MSHookIvar<NSArray *>(collation, "_sectionStartStrings");
9305
9306         NSString *&transform(MSHookIvar<NSString *>(collation, "_transform"));
9307         if (&transform != NULL && transform != nil) {
9308             /*if ([collation respondsToSelector:@selector(transformedCollationStringForString:)])
9309                 CollationModify_ = [=](NSString *value) { return [collation transformedCollationStringForString:value]; };*/
9310             const UChar *uid(reinterpret_cast<const UChar *>([transform cStringUsingEncoding:NSUnicodeStringEncoding]));
9311             UErrorCode code(U_ZERO_ERROR);
9312             CollationTransl_ = utrans_openU(uid, -1, UTRANS_FORWARD, NULL, 0, NULL, &code);
9313             if (!U_SUCCESS(code))
9314                 NSLog(@"%s", u_errorName(code));
9315         }
9316
9317         }
9318     } @catch (NSException *e) {
9319         NSLog(@"%@", e);
9320         goto hard;
9321     } } else hard: {
9322         CollationLocale_ = [[[NSLocale alloc] initWithLocaleIdentifier:@"en@collation=dictionary"] autorelease];
9323
9324         CollationThumbs_ = [NSArray arrayWithObjects:@"A",@"B",@"C",@"D",@"E",@"F",@"G",@"H",@"I",@"J",@"K",@"L",@"M",@"N",@"O",@"P",@"Q",@"R",@"S",@"T",@"U",@"V",@"W",@"X",@"Y",@"Z",@"#",nil];
9325         for (NSInteger offset(0); offset != 28; ++offset)
9326             CollationOffset_.push_back(offset);
9327
9328         CollationTitles_ = [NSArray arrayWithObjects:@"A",@"B",@"C",@"D",@"E",@"F",@"G",@"H",@"I",@"J",@"K",@"L",@"M",@"N",@"O",@"P",@"Q",@"R",@"S",@"T",@"U",@"V",@"W",@"X",@"Y",@"Z",@"#",nil];
9329         CollationStarts_ = [NSArray arrayWithObjects:@"a",@"b",@"c",@"d",@"e",@"f",@"g",@"h",@"i",@"j",@"k",@"l",@"m",@"n",@"o",@"p",@"q",@"r",@"s",@"t",@"u",@"v",@"w",@"x",@"y",@"z",@"ʒ",nil];
9330     }
9331     /* }}} */
9332
9333     App_ = [[NSBundle mainBundle] bundlePath];
9334     Advanced_ = YES;
9335
9336     Cache_ = [[NSString stringWithFormat:@"%@/Library/Caches/com.saurik.Cydia", @"/var/mobile"] retain];
9337     mkdir([Cache_ UTF8String], 0755);
9338
9339     /*Method alloc = class_getClassMethod([NSObject class], @selector(alloc));
9340     alloc_ = alloc->method_imp;
9341     alloc->method_imp = (IMP) &Alloc_;*/
9342
9343     /*Method dealloc = class_getClassMethod([NSObject class], @selector(dealloc));
9344     dealloc_ = dealloc->method_imp;
9345     dealloc->method_imp = (IMP) &Dealloc_;*/
9346
9347     void *gestalt(dlopen("/usr/lib/libMobileGestalt.dylib", RTLD_GLOBAL | RTLD_LAZY));
9348     $MGCopyAnswer = reinterpret_cast<CFStringRef (*)(CFStringRef)>(dlsym(gestalt, "MGCopyAnswer"));
9349     UniqueID_ = UniqueIdentifier([UIDevice currentDevice]);
9350
9351     /* System Information {{{ */
9352     size_t size;
9353
9354     int maxproc;
9355     size = sizeof(maxproc);
9356     if (sysctlbyname("kern.maxproc", &maxproc, &size, NULL, 0) == -1)
9357         perror("sysctlbyname(\"kern.maxproc\", ?)");
9358     else if (maxproc < 64) {
9359         maxproc = 64;
9360         if (sysctlbyname("kern.maxproc", NULL, NULL, &maxproc, sizeof(maxproc)) == -1)
9361             perror("sysctlbyname(\"kern.maxproc\", #)");
9362     }
9363     /* }}} */
9364     /* Load Database {{{ */
9365     SectionMap_ = [[[NSDictionary alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Sections" ofType:@"plist"]] autorelease];
9366
9367     _trace();
9368     mkdir("/var/mobile/Library/Cydia", 0755);
9369     MetaFile_.Open("/var/mobile/Library/Cydia/metadata.cb0");
9370     _trace();
9371
9372     Values_ = AutoreleaseDeepMutableCopyOfDictionary(CFPreferencesCopyAppValue(CFSTR("CydiaValues"), CFSTR("com.saurik.Cydia")));
9373     Sections_ = AutoreleaseDeepMutableCopyOfDictionary(CFPreferencesCopyAppValue(CFSTR("CydiaSections"), CFSTR("com.saurik.Cydia")));
9374     Sources_ = AutoreleaseDeepMutableCopyOfDictionary(CFPreferencesCopyAppValue(CFSTR("CydiaSources"), CFSTR("com.saurik.Cydia")));
9375     Version_ = [(NSNumber *) CFPreferencesCopyAppValue(CFSTR("CydiaVersion"), CFSTR("com.saurik.Cydia")) autorelease];
9376
9377     _trace();
9378     NSDictionary *metadata([[[NSMutableDictionary alloc] initWithContentsOfFile:@"/var/lib/cydia/metadata.plist"] autorelease]);
9379
9380     if (Values_ == nil)
9381         Values_ = [metadata objectForKey:@"Values"];
9382     if (Values_ == nil)
9383         Values_ = [[[NSMutableDictionary alloc] initWithCapacity:4] autorelease];
9384
9385     if (Sections_ == nil)
9386         Sections_ = [metadata objectForKey:@"Sections"];
9387     if (Sections_ == nil)
9388         Sections_ = [[[NSMutableDictionary alloc] initWithCapacity:32] autorelease];
9389
9390     if (Sources_ == nil)
9391         Sources_ = [metadata objectForKey:@"Sources"];
9392     if (Sources_ == nil)
9393         Sources_ = [[[NSMutableDictionary alloc] initWithCapacity:0] autorelease];
9394
9395     // XXX: this wrong, but in a way that doesn't matter :/
9396     if (Version_ == nil)
9397         Version_ = [metadata objectForKey:@"Version"];
9398     if (Version_ == nil)
9399         Version_ = [NSNumber numberWithUnsignedInt:0];
9400
9401     if (NSDictionary *packages = [metadata objectForKey:@"Packages"]) {
9402         bool fail(false);
9403         CFDictionaryApplyFunction((CFDictionaryRef) packages, &PackageImport, &fail);
9404         _trace();
9405         if (fail)
9406             NSLog(@"unable to import package preferences... from 2010? oh well :/");
9407     }
9408
9409     if ([Version_ unsignedIntValue] == 0) {
9410         CydiaAddSource(@"http://apt.thebigboss.org/repofiles/cydia/", @"stable", [NSMutableArray arrayWithObject:@"main"]);
9411         CydiaAddSource(@"http://apt.modmyi.com/", @"stable", [NSMutableArray arrayWithObject:@"main"]);
9412         CydiaAddSource(@"http://cydia.zodttd.com/repo/cydia/", @"stable", [NSMutableArray arrayWithObject:@"main"]);
9413
9414         Version_ = [NSNumber numberWithUnsignedInt:1];
9415
9416         if (NSMutableDictionary *cache = [NSMutableDictionary dictionaryWithContentsOfFile:CacheState_]) {
9417             [cache removeObjectForKey:@"LastUpdate"];
9418             [cache writeToFile:CacheState_ atomically:YES];
9419         }
9420     }
9421
9422     _H<NSMutableArray> broken([NSMutableArray array]);
9423     for (NSString *key in (id) Sources_)
9424         if ([key rangeOfCharacterFromSet:[NSCharacterSet characterSetWithCharactersInString:@"# "]].location != NSNotFound || ![([[Sources_ objectForKey:key] objectForKey:@"URI"] ?: @"/") hasSuffix:@"/"])
9425             [broken addObject:key];
9426     if ([broken count] != 0)
9427         for (NSString *key in (id) broken)
9428             [Sources_ removeObjectForKey:key];
9429     broken = nil;
9430
9431     SaveConfig(nil);
9432     system("/usr/libexec/cydia/cydo /bin/rm -f /var/lib/cydia/metadata.plist");
9433     /* }}} */
9434
9435     Finishes_ = [NSArray arrayWithObjects:@"return", @"reopen", @"restart", @"reload", @"reboot", nil];
9436
9437     if (kCFCoreFoundationVersionNumber > 1000)
9438         system("/usr/libexec/cydia/cydo /usr/libexec/cydia/setnsfpn /var/lib");
9439
9440     int version([[NSString stringWithContentsOfFile:@"/var/lib/cydia/firmware.ver"] intValue]);
9441
9442     if (access("/User", F_OK) != 0 || version != 6) {
9443         _trace();
9444         system("/usr/libexec/cydia/cydo /usr/libexec/cydia/firmware.sh");
9445         _trace();
9446     }
9447
9448     if (access("/tmp/cydia.chk", F_OK) == 0) {
9449         if (unlink([Cache("pkgcache.bin") UTF8String]) == -1)
9450             _assert(errno == ENOENT);
9451         if (unlink([Cache("srcpkgcache.bin") UTF8String]) == -1)
9452             _assert(errno == ENOENT);
9453     }
9454
9455     system([[NSString stringWithFormat:@"/usr/libexec/cydia/cydo /bin/ln -sf %@ /etc/apt/sources.list.d/cydia.list", Cache("sources.list")] UTF8String]);
9456
9457     /* APT Initialization {{{ */
9458     _assert(pkgInitConfig(*_config));
9459     _assert(pkgInitSystem(*_config, _system));
9460
9461     _config->Set("Acquire::AllowInsecureRepositories", true);
9462     _config->Set("Acquire::Check-Valid-Until", false);
9463
9464     _config->Set("Dir::Bin::Methods", "/Applications/Cydia.app");
9465
9466     _config->Set("pkgCacheGen::ForceEssential", "");
9467
9468     if (translation != NULL)
9469         _config->Set("APT::Acquire::Translation", translation);
9470     _config->Set("Acquire::Languages", languages);
9471
9472     // XXX: this timeout might be important :(
9473     //_config->Set("Acquire::http::Timeout", 15);
9474
9475     int64_t usermem(0);
9476     size = sizeof(usermem);
9477     if (sysctlbyname("hw.usermem", &usermem, &size, NULL, 0) == -1)
9478         usermem = 0;
9479     _config->Set("Acquire::http::MaxParallel", usermem >= 384 * 1024 * 1024 ? 16 : 3);
9480
9481     mkdir([Cache("archives") UTF8String], 0755);
9482     mkdir([Cache("archives/partial") UTF8String], 0755);
9483     _config->Set("Dir::Cache", [Cache_ UTF8String]);
9484
9485     symlink("/var/lib/apt/extended_states", [Cache("extended_states") UTF8String]);
9486     _config->Set("Dir::State", [Cache_ UTF8String]);
9487
9488     mkdir([Cache("lists") UTF8String], 0755);
9489     mkdir([Cache("lists/partial") UTF8String], 0755);
9490     mkdir([Cache("periodic") UTF8String], 0755);
9491     _config->Set("Dir::State::Lists", [Cache("lists") UTF8String]);
9492
9493     std::string logs("/var/mobile/Library/Logs/Cydia");
9494     mkdir(logs.c_str(), 0755);
9495     _config->Set("Dir::Log", logs);
9496
9497     _config->Set("Dir::Bin::dpkg", "/usr/libexec/cydia/cydo");
9498     /* }}} */
9499     /* Color Choices {{{ */
9500     space_ = CGColorSpaceCreateDeviceRGB();
9501
9502     Blue_.Set(space_, 0.2, 0.2, 1.0, 1.0);
9503     Blueish_.Set(space_, 0x19/255.f, 0x32/255.f, 0x50/255.f, 1.0);
9504     Black_.Set(space_, 0.0, 0.0, 0.0, 1.0);
9505     Folder_.Set(space_, 0x8e/255.f, 0x8e/255.f, 0x93/255.f, 1.0);
9506     Off_.Set(space_, 0.9, 0.9, 0.9, 1.0);
9507     White_.Set(space_, 1.0, 1.0, 1.0, 1.0);
9508     Gray_.Set(space_, 0.4, 0.4, 0.4, 1.0);
9509     Green_.Set(space_, 0.0, 0.5, 0.0, 1.0);
9510     Purple_.Set(space_, 0.0, 0.0, 0.7, 1.0);
9511     Purplish_.Set(space_, 0.4, 0.4, 0.8, 1.0);
9512
9513     InstallingColor_ = [UIColor colorWithRed:0.88f green:1.00f blue:0.88f alpha:1.00f];
9514     RemovingColor_ = [UIColor colorWithRed:1.00f green:0.88f blue:0.88f alpha:1.00f];
9515     /* }}}*/
9516     /* UIKit Configuration {{{ */
9517     // XXX: I have a feeling this was important
9518     //UIKeyboardDisableAutomaticAppearance();
9519     /* }}} */
9520
9521     $SBSSetInterceptsMenuButtonForever = reinterpret_cast<void (*)(bool)>(dlsym(RTLD_DEFAULT, "SBSSetInterceptsMenuButtonForever"));
9522     $SBSCopyIconImagePNGDataForDisplayIdentifier = reinterpret_cast<NSData *(*)(NSString *)>(dlsym(RTLD_DEFAULT, "SBSCopyIconImagePNGDataForDisplayIdentifier"));
9523
9524     const char *symbol(kCFCoreFoundationVersionNumber >= 800 ? "MGGetBoolAnswer" : "GSSystemHasCapability");
9525     BOOL (*GSSystemHasCapability)(CFStringRef) = reinterpret_cast<BOOL (*)(CFStringRef)>(dlsym(RTLD_DEFAULT, symbol));
9526     bool fast = GSSystemHasCapability != NULL && GSSystemHasCapability(CFSTR("armv7"));
9527
9528     PulseInterval_ = fast ? 50000 : 500000;
9529
9530     Colon_ = UCLocalize("COLON_DELIMITED");
9531     Elision_ = UCLocalize("ELISION");
9532     Error_ = UCLocalize("ERROR");
9533     Warning_ = UCLocalize("WARNING");
9534
9535     _trace();
9536     int value(UIApplicationMain(argc, argv, @"Cydia", @"Cydia"));
9537
9538     CGColorSpaceRelease(space_);
9539     CFRelease(Locale_);
9540
9541     [pool release];
9542     return value;
9543 }