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 NSString *Cache_;
 234 #define Cache(file) \
 235     [NSString stringWithFormat:@"%@/%s", Cache_, file]
 236
 237 static void (*$SBSSetInterceptsMenuButtonForever)(bool);
 238 static NSData *(*$SBSCopyIconImagePNGDataForDisplayIdentifier)(NSString *);
 239
 240 static CFStringRef (*$MGCopyAnswer)(CFStringRef);
 241
 242 static NSString *UniqueIdentifier(UIDevice *device = nil) {
 243     if (kCFCoreFoundationVersionNumber < 800) // iOS 7.x
 244         return [device ?: [UIDevice currentDevice] uniqueIdentifier];
 245     else
 246         return [(id)$MGCopyAnswer(CFSTR("UniqueDeviceID")) autorelease];
 247 }
 248
 249 static const NSUInteger UIViewAutoresizingFlexibleBoth(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight);
 250
 251 static _finline NSString *CydiaURL(NSString *path) {
 252     char page[26];
 253     page[0] = 'h'; page[1] = 't'; page[2] = 't'; page[3] = 'p'; page[4] = 's';
 254     page[5] = ':'; page[6] = '/'; page[7] = '/'; page[8] = 'c'; page[9] = 'y';
 255     page[10] = 'd'; page[11] = 'i'; page[12] = 'a'; page[13] = '.'; page[14] = 's';
 256     page[15] = 'a'; page[16] = 'u'; page[17] = 'r'; page[18] = 'i'; page[19] = 'k';
 257     page[20] = '.'; page[21] = 'c'; page[22] = 'o'; page[23] = 'm'; page[24] = '/';
 258     page[25] = '\0';
 259     return [[NSString stringWithUTF8String:page] stringByAppendingString:path];
 260 }
 261
 262 static NSString *ShellEscape(NSString *value) {
 263     return [NSString stringWithFormat:@"'%@'", [value stringByReplacingOccurrencesOfString:@"'" withString:@"'\\''"]];
 264 }
 265
 266 static _finline void UpdateExternalStatus(uint64_t newStatus) {
 267     int notify_token;
 268     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
 269         notify_set_state(notify_token, newStatus);
 270         notify_cancel(notify_token);
 271     }
 272     notify_post("com.saurik.Cydia.status");
 273 }
 274
 275 /* NSForcedOrderingSearch doesn't work on the iPhone */
 276 static const NSStringCompareOptions MatchCompareOptions_ = NSLiteralSearch | NSCaseInsensitiveSearch;
 277 static const NSStringCompareOptions LaxCompareOptions_ = NSNumericSearch | NSDiacriticInsensitiveSearch | NSWidthInsensitiveSearch | NSCaseInsensitiveSearch;
 278 static const CFStringCompareFlags LaxCompareFlags_ = kCFCompareNumerically | kCFCompareWidthInsensitive | kCFCompareForcedOrdering;
 279
 280 /* Insertion Sort {{{ */
 281
 282 template <typename Type_>
 283 size_t CFBSearch_(const Type_ &element, const void *list, size_t count, CFComparisonResult (*comparator)(Type_, Type_, void *), void *context) {
 284     const char *ptr = (const char *)list;
 285     while (0 < count) {
 286         size_t half = count / 2;
 287         const char *probe = ptr + sizeof(Type_) * half;
 288         CFComparisonResult cr = comparator(element, * (const Type_ *) probe, context);
 289         if (0 == cr) return (probe - (const char *)list) / sizeof(Type_);
 290         ptr = (cr < 0) ? ptr : probe + sizeof(Type_);
 291         count = (cr < 0) ? half : (half + (count & 1) - 1);
 292     }
 293     return (ptr - (const char *)list) / sizeof(Type_);
 294 }
 295
 296 template <typename Type_>
 297 void CYArrayInsertionSortValues(Type_ *values, size_t length, CFComparisonResult (*comparator)(Type_, Type_, void *), void *context) {
 298     if (length == 0)
 299         return;
 300
 301 #if HistogramInsertionSort > 0
 302     uint32_t total(0), *offsets(new uint32_t[length]);
 303 #endif
 304
 305     for (size_t index(1); index != length; ++index) {
 306         Type_ value(values[index]);
 307 #if 0
 308         size_t correct(CFBSearch_(value, values, index, comparator, context));
 309 #else
 310         size_t correct(index);
 311         while (comparator(value, values[correct - 1], context) == kCFCompareLessThan) {
 312 #if HistogramInsertionSort > 1
 313             NSLog(@"%@ < %@", value, values[correct - 1]);
 314 #endif
 315             if (--correct == 0)
 316                 break;
 317             if (index - correct >= 8) {
 318                 correct = CFBSearch_(value, values, correct, comparator, context);
 319                 break;
 320             }
 321         }
 322 #endif
 323         if (correct != index) {
 324             size_t offset(index - correct);
 325 #if HistogramInsertionSort
 326             total += offset;
 327             ++offsets[offset];
 328             if (offset > 10)
 329                 NSLog(@"Heavy Insertion Displacement: %u = %@", offset, value);
 330 #endif
 331             memmove(values + correct + 1, values + correct, sizeof(const void *) * offset);
 332             values[correct] = value;
 333         }
 334     }
 335
 336 #if HistogramInsertionSort > 0
 337     for (size_t index(0); index != range.length; ++index)
 338         if (offsets[index] != 0)
 339             NSLog(@"Insertion Displacement [%u]: %u", index, offsets[index]);
 340     NSLog(@"Average Insertion Displacement: %f", double(total) / range.length);
 341     delete [] offsets;
 342 #endif
 343 }
 344
 345 /* }}} */
 346
 347 /* Cydia NSString Additions {{{ */
 348 @interface NSString (Cydia)
 349 - (NSComparisonResult) compareByPath:(NSString *)other;
 350 - (NSString *) stringByAddingPercentEscapesIncludingReserved;
 351 @end
 352
 353 @implementation NSString (Cydia)
 354
 355 - (NSComparisonResult) compareByPath:(NSString *)other {
 356     NSString *prefix = [self commonPrefixWithString:other options:0];
 357     size_t length = [prefix length];
 358
 359     NSRange lrange = NSMakeRange(length, [self length] - length);
 360     NSRange rrange = NSMakeRange(length, [other length] - length);
 361
 362     lrange = [self rangeOfString:@"/" options:0 range:lrange];
 363     rrange = [other rangeOfString:@"/" options:0 range:rrange];
 364
 365     NSComparisonResult value;
 366
 367     if (lrange.location == NSNotFound && rrange.location == NSNotFound)
 368         value = NSOrderedSame;
 369     else if (lrange.location == NSNotFound)
 370         value = NSOrderedAscending;
 371     else if (rrange.location == NSNotFound)
 372         value = NSOrderedDescending;
 373     else
 374         value = NSOrderedSame;
 375
 376     NSString *lpath = lrange.location == NSNotFound ? [self substringFromIndex:length] :
 377         [self substringWithRange:NSMakeRange(length, lrange.location - length)];
 378     NSString *rpath = rrange.location == NSNotFound ? [other substringFromIndex:length] :
 379         [other substringWithRange:NSMakeRange(length, rrange.location - length)];
 380
 381     NSComparisonResult result = [lpath compare:rpath];
 382     return result == NSOrderedSame ? value : result;
 383 }
 384
 385 - (NSString *) stringByAddingPercentEscapesIncludingReserved {
 386     return [(id)CFURLCreateStringByAddingPercentEscapes(
 387         kCFAllocatorDefault,
 388         (CFStringRef) self,
 389         NULL,
 390         CFSTR(";/?:@&=+$,"),
 391         kCFStringEncodingUTF8
 392     ) autorelease];
 393 }
 394
 395 @end
 396 /* }}} */
 397
 398 /* C++ NSString Wrapper Cache {{{ */
 399 static _finline CFStringRef CYStringCreate(const char *data, size_t size) {
 400     return size == 0 ? NULL :
 401         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingUTF8, NO, kCFAllocatorNull) ?:
 402         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingISOLatin1, NO, kCFAllocatorNull);
 403 }
 404
 405 static _finline CFStringRef CYStringCreate(const std::string &data) {
 406     return CYStringCreate(data.data(), data.size());
 407 }
 408
 409 static _finline CFStringRef CYStringCreate(const char *data) {
 410     return CYStringCreate(data, strlen(data));
 411 }
 412
 413 class CYString {
 414   private:
 415     char *data_;
 416     size_t size_;
 417     CFStringRef cache_;
 418
 419     _finline void clear_() {
 420         if (cache_ != NULL) {
 421             CFRelease(cache_);
 422             cache_ = NULL;
 423         }
 424     }
 425
 426   public:
 427     _finline bool empty() const {
 428         return size_ == 0;
 429     }
 430
 431     _finline size_t size() const {
 432         return size_;
 433     }
 434
 435     _finline char *data() const {
 436         return data_;
 437     }
 438
 439     _finline void clear() {
 440         size_ = 0;
 441         clear_();
 442     }
 443
 444     _finline CYString() :
 445         data_(0),
 446         size_(0),
 447         cache_(NULL)
 448     {
 449     }
 450
 451     _finline ~CYString() {
 452         clear_();
 453     }
 454
 455     void operator =(const CYString &rhs) {
 456         data_ = rhs.data_;
 457         size_ = rhs.size_;
 458
 459         if (rhs.cache_ == nil)
 460             cache_ = NULL;
 461         else
 462             cache_ = reinterpret_cast<CFStringRef>(CFRetain(rhs.cache_));
 463     }
 464
 465     void copy(CYPool *pool) {
 466         char *temp(pool->malloc<char>(size_ + 1));
 467         memcpy(temp, data_, size_);
 468         temp[size_] = '\0';
 469         data_ = temp;
 470     }
 471
 472     void set(CYPool *pool, const char *data, size_t size) {
 473         if (size == 0)
 474             clear();
 475         else {
 476             clear_();
 477
 478             data_ = const_cast<char *>(data);
 479             size_ = size;
 480
 481             if (pool != NULL)
 482                 copy(pool);
 483         }
 484     }
 485
 486     _finline void set(CYPool *pool, const char *data) {
 487         set(pool, data, data == NULL ? 0 : strlen(data));
 488     }
 489
 490     _finline void set(CYPool *pool, const std::string &rhs) {
 491         set(pool, rhs.data(), rhs.size());
 492     }
 493
 494     bool operator ==(const CYString &rhs) const {
 495         return size_ == rhs.size_ && memcmp(data_, rhs.data_, size_) == 0;
 496     }
 497
 498     _finline operator CFStringRef() {
 499         if (cache_ == NULL)
 500             cache_ = CYStringCreate(data_, size_);
 501         return cache_;
 502     }
 503
 504     _finline operator id() {
 505         return (NSString *) static_cast<CFStringRef>(*this);
 506     }
 507
 508     _finline operator const char *() {
 509         return reinterpret_cast<const char *>(data_);
 510     }
 511 };
 512 /* }}} */
 513 /* C++ NSString Algorithm Adapters {{{ */
 514 extern "C" {
 515     CF_EXPORT CFHashCode CFStringHashNSString(CFStringRef str);
 516 }
 517
 518 struct NSStringMapHash :
 519     std::unary_function<NSString *, size_t>
 520 {
 521     _finline size_t operator ()(NSString *value) const {
 522         return CFStringHashNSString((CFStringRef) value);
 523     }
 524 };
 525
 526 struct NSStringMapLess :
 527     std::binary_function<NSString *, NSString *, bool>
 528 {
 529     _finline bool operator ()(NSString *lhs, NSString *rhs) const {
 530         return [lhs compare:rhs] == NSOrderedAscending;
 531     }
 532 };
 533
 534 struct NSStringMapEqual :
 535     std::binary_function<NSString *, NSString *, bool>
 536 {
 537     _finline bool operator ()(NSString *lhs, NSString *rhs) const {
 538         return CFStringCompare((CFStringRef) lhs, (CFStringRef) rhs, 0) == kCFCompareEqualTo;
 539         //CFEqual((CFTypeRef) lhs, (CFTypeRef) rhs);
 540         //[lhs isEqualToString:rhs];
 541     }
 542 };
 543 /* }}} */
 544
 545 /* CoreGraphics Primitives {{{ */
 546 class CYColor {
 547   private:
 548     CGColorRef color_;
 549
 550     static CGColorRef Create_(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
 551         CGFloat color[] = {red, green, blue, alpha};
 552         return CGColorCreate(space, color);
 553     }
 554
 555   public:
 556     CYColor() :
 557         color_(NULL)
 558     {
 559     }
 560
 561     CYColor(CGColorSpaceRef space, float red, float green, float blue, float alpha) :
 562         color_(Create_(space, red, green, blue, alpha))
 563     {
 564         Set(space, red, green, blue, alpha);
 565     }
 566
 567     void Clear() {
 568         if (color_ != NULL)
 569             CGColorRelease(color_);
 570     }
 571
 572     ~CYColor() {
 573         Clear();
 574     }
 575
 576     void Set(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
 577         Clear();
 578         color_ = Create_(space, red, green, blue, alpha);
 579     }
 580
 581     operator CGColorRef() {
 582         return color_;
 583     }
 584 };
 585 /* }}} */
 586
 587 /* Random Global Variables {{{ */
 588 static int PulseInterval_ = 500000;
 589
 590 static const NSString *UI_;
 591
 592 static int Finish_;
 593 static bool RestartSubstrate_;
 594 static NSArray *Finishes_;
 595
 596 #define SpringBoard_ "/System/Library/LaunchDaemons/com.apple.SpringBoard.plist"
 597 #define NotifyConfig_ "/etc/notify.conf"
 598
 599 static bool Queuing_;
 600
 601 static CYColor Blue_;
 602 static CYColor Blueish_;
 603 static CYColor Black_;
 604 static CYColor Folder_;
 605 static CYColor Off_;
 606 static CYColor White_;
 607 static CYColor Gray_;
 608 static CYColor Green_;
 609 static CYColor Purple_;
 610 static CYColor Purplish_;
 611
 612 static UIColor *InstallingColor_;
 613 static UIColor *RemovingColor_;
 614
 615 static NSString *App_;
 616
 617 static BOOL Advanced_;
 618 static BOOL Ignored_;
 619
 620 static _H<UIFont> Font12_;
 621 static _H<UIFont> Font12Bold_;
 622 static _H<UIFont> Font14_;
 623 static _H<UIFont> Font18_;
 624 static _H<UIFont> Font18Bold_;
 625 static _H<UIFont> Font22Bold_;
 626
 627 static _H<NSString> UniqueID_;
 628
 629 static _H<NSLocale> CollationLocale_;
 630 static _H<NSArray> CollationThumbs_;
 631 static std::vector<NSInteger> CollationOffset_;
 632 static _H<NSArray> CollationTitles_;
 633 static _H<NSArray> CollationStarts_;
 634 static UTransliterator *CollationTransl_;
 635 //static Function<NSString *, NSString *> CollationModify_;
 636
 637 typedef std::basic_string<UChar> ustring;
 638 static ustring CollationString_;
 639
 640 #define CUC const ustring &str(*reinterpret_cast<const ustring *>(rep))
 641 #define UC ustring &str(*reinterpret_cast<ustring *>(rep))
 642 static struct UReplaceableCallbacks CollationUCalls_ = {
 643     .length = [](const UReplaceable *rep) -> int32_t { CUC;
 644         return str.size();
 645     },
 646
 647     .charAt = [](const UReplaceable *rep, int32_t offset) -> UChar { CUC;
 648         //fprintf(stderr, "charAt(%d) : %d\n", offset, str.size());
 649         if (offset >= str.size())
 650             return 0xffff;
 651         return str[offset];
 652     },
 653
 654     .char32At = [](const UReplaceable *rep, int32_t offset) -> UChar32 { CUC;
 655         //fprintf(stderr, "char32At(%d) : %d\n", offset, str.size());
 656         if (offset >= str.size())
 657             return 0xffff;
 658         UChar32 c;
 659         U16_GET(str.data(), 0, offset, str.size(), c);
 660         return c;
 661     },
 662
 663     .replace = [](UReplaceable *rep, int32_t start, int32_t limit, const UChar *text, int32_t length) -> void { UC;
 664         //fprintf(stderr, "replace(%d, %d, %d) : %d\n", start, limit, length, str.size());
 665         str.replace(start, limit - start, text, length);
 666     },
 667
 668     .extract = [](UReplaceable *rep, int32_t start, int32_t limit, UChar *dst) -> void { UC;
 669         //fprintf(stderr, "extract(%d, %d) : %d\n", start, limit, str.size());
 670         str.copy(dst, limit - start, start);
 671     },
 672
 673     .copy = [](UReplaceable *rep, int32_t start, int32_t limit, int32_t dest) -> void { UC;
 674         //fprintf(stderr, "copy(%d, %d, %d) : %d\n", start, limit, dest, str.size());
 675         str.replace(dest, 0, str, start, limit - start);
 676     },
 677 };
 678
 679 static CFLocaleRef Locale_;
 680 static NSArray *Languages_;
 681 static CGColorSpaceRef space_;
 682
 683 #define CacheState_ "/var/mobile/Library/Caches/com.saurik.Cydia/CacheState.plist"
 684 #define SavedState_ "/var/mobile/Library/Caches/com.saurik.Cydia/SavedState.plist"
 685
 686 static NSDictionary *SectionMap_;
 687 static _H<NSDate> Backgrounded_;
 688 static _transient NSMutableDictionary *Values_;
 689 static _transient NSMutableDictionary *Sections_;
 690 _H<NSMutableDictionary> Sources_;
 691 static _transient NSNumber *Version_;
 692 static time_t now_;
 693
 694 static _H<NSMutableDictionary> SessionData_;
 695 static _H<NSMutableSet> BridgedHosts_;
 696 static _H<NSMutableSet> InsecureHosts_;
 697
 698 static NSString *kCydiaProgressEventTypeError = @"Error";
 699 static NSString *kCydiaProgressEventTypeInformation = @"Information";
 700 static NSString *kCydiaProgressEventTypeStatus = @"Status";
 701 static NSString *kCydiaProgressEventTypeWarning = @"Warning";
 702 /* }}} */
 703
 704 /* Display Helpers {{{ */
 705 static _finline const char *StripVersion_(const char *version) {
 706     const char *colon(strchr(version, ':'));
 707     return colon == NULL ? version : colon + 1;
 708 }
 709
 710 NSString *LocalizeSection(NSString *section) {
 711     static RegEx title_r("(.*?) \\((.*)\\)");
 712     if (title_r(section)) {
 713         NSString *parent(title_r[1]);
 714         NSString *child(title_r[2]);
 715
 716         return [NSString stringWithFormat:UCLocalize("PARENTHETICAL"),
 717             LocalizeSection(parent),
 718             LocalizeSection(child)
 719         ];
 720     }
 721
 722     return [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
 723 }
 724
 725 NSString *Simplify(NSString *title) {
 726     const char *data = [title UTF8String];
 727     size_t size = [title lengthOfBytesUsingEncoding:NSUTF8StringEncoding];
 728
 729     static RegEx square_r("\\[(.*)\\]");
 730     if (square_r(data, size))
 731         return Simplify(square_r[1]);
 732
 733     static RegEx paren_r("\\((.*)\\)");
 734     if (paren_r(data, size))
 735         return Simplify(paren_r[1]);
 736
 737     static RegEx title_r("(.*?) \\((.*)\\)");
 738     if (title_r(data, size))
 739         return Simplify(title_r[1]);
 740
 741     return title;
 742 }
 743 /* }}} */
 744
 745 bool isSectionVisible(NSString *section) {
 746     NSDictionary *metadata([Sections_ objectForKey:(section ?: @"")]);
 747     NSNumber *hidden(metadata == nil ? nil : [metadata objectForKey:@"Hidden"]);
 748     return hidden == nil || ![hidden boolValue];
 749 }
 750
 751 static NSString *VerifySource(NSString *href) {
 752     static RegEx href_r("(http(s?)://|file:///)[^# ]*");
 753     if (!href_r(href)) {
 754         [[[[UIAlertView alloc]
 755             initWithTitle:[NSString stringWithFormat:Colon_, Error_, UCLocalize("INVALID_URL")]
 756             message:UCLocalize("INVALID_URL_EX")
 757             delegate:nil
 758             cancelButtonTitle:UCLocalize("OK")
 759             otherButtonTitles:nil
 760         ] autorelease] show];
 761
 762         return nil;
 763     }
 764
 765     if (![href hasSuffix:@"/"])
 766         href = [href stringByAppendingString:@"/"];
 767     return href;
 768 }
 769
 770 @class Cydia;
 771
 772 /* Delegate Prototypes {{{ */
 773 @class Package;
 774 @class Source;
 775 @class CydiaProgressEvent;
 776
 777 @protocol DatabaseDelegate
 778 - (void) repairWithSelector:(SEL)selector;
 779 - (void) setConfigurationData:(NSString *)data;
 780 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task;
 781 @end
 782
 783 @class CYPackageController;
 784
 785 @protocol SourceDelegate
 786 - (void) setFetch:(NSNumber *)fetch;
 787 @end
 788
 789 @protocol FetchDelegate
 790 - (bool) isSourceCancelled;
 791 - (void) startSourceFetch:(NSString *)uri;
 792 - (void) stopSourceFetch:(NSString *)uri;
 793 @end
 794
 795 @protocol CydiaDelegate
 796 - (void) returnToCydia;
 797 - (void) saveState;
 798 - (void) retainNetworkActivityIndicator;
 799 - (void) releaseNetworkActivityIndicator;
 800 - (void) clearPackage:(Package *)package;
 801 - (void) installPackage:(Package *)package;
 802 - (void) installPackages:(NSArray *)packages;
 803 - (void) removePackage:(Package *)package;
 804 - (void) beginUpdate;
 805 - (BOOL) updating;
 806 - (bool) requestUpdate;
 807 - (void) distUpgrade;
 808 - (void) loadData;
 809 - (void) updateData;
 810 - (void) _saveConfig;
 811 - (void) syncData;
 812 - (void) addSource:(NSDictionary *)source;
 813 - (BOOL) addTrivialSource:(NSString *)href;
 814 - (UIProgressHUD *) addProgressHUD;
 815 - (void) removeProgressHUD:(UIProgressHUD *)hud;
 816 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item;
 817 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
 818 @end
 819 /* }}} */
 820
 821 /* CancelStatus {{{ */
 822 class CancelStatus :
 823     public pkgAcquireStatus
 824 {
 825   private:
 826     bool cancelled_;
 827
 828   public:
 829     CancelStatus() :
 830         cancelled_(false)
 831     {
 832     }
 833
 834     virtual bool MediaChange(std::string media, std::string drive) {
 835         return false;
 836     }
 837
 838     virtual void IMSHit(pkgAcquire::ItemDesc &desc) {
 839         Done(desc);
 840     }
 841
 842     virtual bool Pulse_(pkgAcquire *Owner) = 0;
 843
 844     virtual bool Pulse(pkgAcquire *Owner) {
 845         if (pkgAcquireStatus::Pulse(Owner) && Pulse_(Owner))
 846             return true;
 847         else {
 848             cancelled_ = true;
 849             return false;
 850         }
 851     }
 852
 853     _finline bool WasCancelled() const {
 854         return cancelled_;
 855     }
 856 };
 857 /* }}} */
 858 /* DelegateStatus {{{ */
 859 class CydiaStatus :
 860     public CancelStatus
 861 {
 862   private:
 863     _transient NSObject<ProgressDelegate> *delegate_;
 864
 865   public:
 866     CydiaStatus() :
 867         delegate_(nil)
 868     {
 869     }
 870
 871     void setDelegate(NSObject<ProgressDelegate> *delegate) {
 872         delegate_ = delegate;
 873     }
 874
 875     virtual void Fetch(pkgAcquire::ItemDesc &desc) {
 876         NSString *name([NSString stringWithUTF8String:desc.ShortDesc.c_str()]);
 877         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithFormat:UCLocalize("DOWNLOADING_"), name] ofType:kCydiaProgressEventTypeStatus forItemDesc:desc]);
 878         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
 879     }
 880
 881     virtual void Done(pkgAcquire::ItemDesc &desc) {
 882         NSString *name([NSString stringWithUTF8String:desc.ShortDesc.c_str()]);
 883         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithFormat:Colon_, UCLocalize("DONE"), name] ofType:kCydiaProgressEventTypeStatus forItemDesc:desc]);
 884         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
 885     }
 886
 887     virtual void Fail(pkgAcquire::ItemDesc &desc) {
 888         if (
 889             desc.Owner->Status == pkgAcquire::Item::StatIdle ||
 890             desc.Owner->Status == pkgAcquire::Item::StatDone
 891         )
 892             return;
 893
 894         std::string &error(desc.Owner->ErrorText);
 895         if (error.empty())
 896             return;
 897
 898         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:kCydiaProgressEventTypeError forItemDesc:desc]);
 899         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
 900     }
 901
 902     virtual bool Pulse_(pkgAcquire *Owner) {
 903         double percent(
 904             double(CurrentBytes + CurrentItems) /
 905             double(TotalBytes + TotalItems)
 906         );
 907
 908         [delegate_ performSelectorOnMainThread:@selector(setProgressStatus:) withObject:[NSDictionary dictionaryWithObjectsAndKeys:
 909             [NSNumber numberWithDouble:percent], @"Percent",
 910
 911             [NSNumber numberWithDouble:CurrentBytes], @"Current",
 912             [NSNumber numberWithDouble:TotalBytes], @"Total",
 913             [NSNumber numberWithDouble:CurrentCPS], @"Speed",
 914         nil] waitUntilDone:YES];
 915
 916         return ![delegate_ isProgressCancelled];
 917     }
 918
 919     virtual void Start() {
 920         pkgAcquireStatus::Start();
 921         [delegate_ performSelectorOnMainThread:@selector(setProgressCancellable:) withObject:[NSNumber numberWithBool:YES] waitUntilDone:YES];
 922     }
 923
 924     virtual void Stop() {
 925         pkgAcquireStatus::Stop();
 926         [delegate_ performSelectorOnMainThread:@selector(setProgressCancellable:) withObject:[NSNumber numberWithBool:NO] waitUntilDone:YES];
 927         [delegate_ performSelectorOnMainThread:@selector(setProgressStatus:) withObject:nil waitUntilDone:YES];
 928     }
 929 };
 930 /* }}} */
 931 /* Database Interface {{{ */
 932 typedef std::map< unsigned long, _H<Source> > SourceMap;
 933
 934 @interface Database : NSObject {
 935     NSZone *zone_;
 936     CYPool pool_;
 937
 938     unsigned era_;
 939     _H<NSDate> delock_;
 940
 941     pkgCacheFile cache_;
 942     pkgDepCache::Policy *policy_;
 943     pkgRecords *records_;
 944     pkgProblemResolver *resolver_;
 945     pkgAcquire *fetcher_;
 946     FileFd *lock_;
 947     SPtr<pkgPackageManager> manager_;
 948     pkgSourceList *list_;
 949
 950     SourceMap sourceMap_;
 951     _H<NSMutableArray> sourceList_;
 952
 953     _H<NSArray> packages_;
 954
 955     _transient NSObject<DatabaseDelegate> *delegate_;
 956     _transient NSObject<ProgressDelegate> *progress_;
 957
 958     CydiaStatus status_;
 959
 960     int cydiafd_;
 961     int statusfd_;
 962     FILE *input_;
 963
 964     std::map<const char *, _H<NSString> > sections_;
 965 }
 966
 967 + (Database *) sharedInstance;
 968 - (unsigned) era;
 969 - (bool) hasPackages;
 970
 971 - (void) _readCydia:(NSNumber *)fd;
 972 - (void) _readStatus:(NSNumber *)fd;
 973 - (void) _readOutput:(NSNumber *)fd;
 974
 975 - (FILE *) input;
 976
 977 - (Package *) packageWithName:(NSString *)name;
 978
 979 - (pkgCacheFile &) cache;
 980 - (pkgDepCache::Policy *) policy;
 981 - (pkgRecords *) records;
 982 - (pkgProblemResolver *) resolver;
 983 - (pkgAcquire &) fetcher;
 984 - (pkgSourceList &) list;
 985 - (NSArray *) packages;
 986 - (NSArray *) sources;
 987 - (Source *) sourceWithKey:(NSString *)key;
 988 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
 989
 990 - (void) configure;
 991 - (bool) prepare;
 992 - (void) perform;
 993 - (bool) upgrade;
 994 - (void) update;
 995
 996 - (void) updateWithStatus:(CancelStatus &)status;
 997
 998 - (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate;
 999
1000 - (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate;
1001 - (NSObject<ProgressDelegate> *) progressDelegate;
1002
1003 - (Source *) getSource:(pkgCache::PkgFileIterator)file;
1004 - (void) setFetch:(bool)fetch forURI:(const char *)uri;
1005 - (void) resetFetch;
1006
1007 - (NSString *) mappedSectionForPointer:(const char *)pointer;
1008
1009 @end
1010 /* }}} */
1011 /* SourceStatus {{{ */
1012 class SourceStatus :
1013     public CancelStatus
1014 {
1015   private:
1016     _transient NSObject<FetchDelegate> *delegate_;
1017     _transient Database *database_;
1018     std::set<std::string> fetches_;
1019
1020   public:
1021     SourceStatus(NSObject<FetchDelegate> *delegate, Database *database) :
1022         delegate_(delegate),
1023         database_(database)
1024     {
1025     }
1026
1027     void Set(bool fetch, const std::string &uri) {
1028         if (fetch) {
1029             if (!fetches_.insert(uri).second)
1030                 return;
1031         } else {
1032             if (fetches_.erase(uri) == 0)
1033                 return;
1034         }
1035
1036         //printf("Set(%s, %s)\n", fetch ? "true" : "false", uri.c_str());
1037
1038         auto slash(uri.rfind('/'));
1039         if (slash != std::string::npos)
1040             [database_ setFetch:fetch forURI:uri.substr(0, slash).c_str()];
1041     }
1042
1043     _finline void Set(bool fetch, pkgAcquire::Item *item) {
1044         /*unsigned long ID(fetch ? 1 : 0);
1045         if (item->ID == ID)
1046             return;
1047         item->ID = ID;*/
1048         Set(fetch, item->DescURI());
1049     }
1050
1051     void Log(const char *tag, pkgAcquire::Item *item) {
1052         //printf("%s(%s) S:%u Q:%u\n", tag, item->DescURI().c_str(), item->Status, item->QueueCounter);
1053     }
1054
1055     virtual void Fetch(pkgAcquire::ItemDesc &desc) {
1056         Log("Fetch", desc.Owner);
1057         Set(true, desc.Owner);
1058     }
1059
1060     virtual void Done(pkgAcquire::ItemDesc &desc) {
1061         Log("Done", desc.Owner);
1062         Set(false, desc.Owner);
1063     }
1064
1065     virtual void Fail(pkgAcquire::ItemDesc &desc) {
1066         Log("Fail", desc.Owner);
1067         Set(false, desc.Owner);
1068     }
1069
1070     virtual bool Pulse_(pkgAcquire *Owner) {
1071         std::set<std::string> fetches;
1072         for (pkgAcquire::ItemCIterator item(Owner->ItemsBegin()); item != Owner->ItemsEnd(); ++item) {
1073             bool fetch;
1074             if ((*item)->QueueCounter == 0)
1075                 fetch = false;
1076             else switch ((*item)->Status) {
1077                 case pkgAcquire::Item::StatFetching:
1078                     fetches.insert((*item)->DescURI());
1079                     fetch = true;
1080                 break;
1081
1082                 default:
1083                     fetch = false;
1084                 break;
1085             }
1086
1087             Log(fetch ? "Pulse<true>" : "Pulse<false>", *item);
1088             Set(fetch, *item);
1089         }
1090
1091         std::vector<std::string> stops;
1092         std::set_difference(fetches_.begin(), fetches_.end(), fetches.begin(), fetches.end(), std::back_insert_iterator<std::vector<std::string>>(stops));
1093         for (std::vector<std::string>::const_iterator stop(stops.begin()); stop != stops.end(); ++stop) {
1094             //printf("Stop(%s)\n", stop->c_str());
1095             Set(false, *stop);
1096         }
1097
1098         return ![delegate_ isSourceCancelled];
1099     }
1100
1101     virtual void Stop() {
1102         pkgAcquireStatus::Stop();
1103         [database_ resetFetch];
1104     }
1105 };
1106 /* }}} */
1107 /* ProgressEvent Implementation {{{ */
1108 @implementation CydiaProgressEvent
1109
1110 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type {
1111     return [[[CydiaProgressEvent alloc] initWithMessage:message ofType:type] autorelease];
1112 }
1113
1114 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forPackage:(NSString *)package {
1115     CydiaProgressEvent *event([self eventWithMessage:message ofType:type]);
1116     [event setPackage:package];
1117     return event;
1118 }
1119
1120 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forItemDesc:(pkgAcquire::ItemDesc &)desc {
1121     CydiaProgressEvent *event([self eventWithMessage:message ofType:type]);
1122
1123     NSString *description([NSString stringWithUTF8String:desc.Description.c_str()]);
1124     NSArray *fields([description componentsSeparatedByString:@" "]);
1125     [event setItem:fields];
1126
1127     if ([fields count] > 3) {
1128         [event setPackage:[fields objectAtIndex:2]];
1129         [event setVersion:[fields objectAtIndex:3]];
1130     }
1131
1132     [event setURL:[NSString stringWithUTF8String:desc.URI.c_str()]];
1133
1134     return event;
1135 }
1136
1137 + (NSArray *) _attributeKeys {
1138     return [NSArray arrayWithObjects:
1139         @"item",
1140         @"message",
1141         @"package",
1142         @"type",
1143         @"url",
1144         @"version",
1145     nil];
1146 }
1147
1148 - (NSArray *) attributeKeys {
1149     return [[self class] _attributeKeys];
1150 }
1151
1152 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1153     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1154 }
1155
1156 - (id) initWithMessage:(NSString *)message ofType:(NSString *)type {
1157     if ((self = [super init]) != nil) {
1158         message_ = message;
1159         type_ = type;
1160     } return self;
1161 }
1162
1163 - (NSString *) message {
1164     return message_;
1165 }
1166
1167 - (NSString *) type {
1168     return type_;
1169 }
1170
1171 - (NSArray *) item {
1172     return (id) item_ ?: [NSNull null];
1173 }
1174
1175 - (void) setItem:(NSArray *)item {
1176     item_ = item;
1177 }
1178
1179 - (NSString *) package {
1180     return (id) package_ ?: [NSNull null];
1181 }
1182
1183 - (void) setPackage:(NSString *)package {
1184     package_ = package;
1185 }
1186
1187 - (NSString *) url {
1188     return (id) url_ ?: [NSNull null];
1189 }
1190
1191 - (void) setURL:(NSString *)url {
1192     url_ = url;
1193 }
1194
1195 - (void) setVersion:(NSString *)version {
1196     version_ = version;
1197 }
1198
1199 - (NSString *) version {
1200     return (id) version_ ?: [NSNull null];
1201 }
1202
1203 - (NSString *) compound:(NSString *)value {
1204     if (value != nil) {
1205         NSString *mode(nil); {
1206             NSString *type([self type]);
1207             if ([type isEqualToString:kCydiaProgressEventTypeError])
1208                 mode = UCLocalize("ERROR");
1209             else if ([type isEqualToString:kCydiaProgressEventTypeWarning])
1210                 mode = UCLocalize("WARNING");
1211         }
1212
1213         if (mode != nil)
1214             value = [NSString stringWithFormat:UCLocalize("COLON_DELIMITED"), mode, value];
1215     }
1216
1217     return value;
1218 }
1219
1220 - (NSString *) compoundMessage {
1221     return [self compound:[self message]];
1222 }
1223
1224 - (NSString *) compoundTitle {
1225     NSString *title;
1226
1227     if (package_ == nil)
1228         title = nil;
1229     else if (Package *package = [[Database sharedInstance] packageWithName:package_])
1230         title = [package name];
1231     else
1232         title = package_;
1233
1234     return [self compound:title];
1235 }
1236
1237 @end
1238 /* }}} */
1239
1240 // Cytore Definitions {{{
1241 struct PackageValue :
1242     Cytore::Block
1243 {
1244     Cytore::Offset<PackageValue> next_;
1245
1246     uint32_t index_ : 23;
1247     uint32_t subscribed_ : 1;
1248     uint32_t : 8;
1249
1250     int32_t first_;
1251     int32_t last_;
1252
1253     uint16_t vhash_;
1254     uint16_t nhash_;
1255
1256     char version_[8];
1257     char name_[];
1258 } _packed;
1259
1260 struct MetaValue :
1261     Cytore::Block
1262 {
1263     uint32_t active_;
1264     Cytore::Offset<PackageValue> packages_[1 << 16];
1265 } _packed;
1266
1267 static Cytore::File<MetaValue> MetaFile_;
1268 // }}}
1269 // Cytore Helper Functions {{{
1270 static PackageValue *PackageFind(const char *name, size_t length, bool *fail = NULL) {
1271     SplitHash nhash = { hashlittle(name, length) };
1272
1273     PackageValue *metadata;
1274
1275     Cytore::Offset<PackageValue> *offset(&MetaFile_->packages_[nhash.u16[0]]);
1276     for (;; offset = &metadata->next_) { if (offset->IsNull()) {
1277         *offset = MetaFile_.New<PackageValue>(length + 1);
1278         metadata = &MetaFile_.Get(*offset);
1279
1280         if (metadata == NULL) {
1281             if (fail != NULL)
1282                 *fail = true;
1283
1284             metadata = new PackageValue();
1285             memset(metadata, 0, sizeof(*metadata));
1286         }
1287
1288         memcpy(metadata->name_, name, length);
1289         metadata->name_[length] = '\0';
1290         metadata->nhash_ = nhash.u16[1];
1291     } else {
1292         metadata = &MetaFile_.Get(*offset);
1293         if (metadata->nhash_ != nhash.u16[1])
1294             continue;
1295         if (strncmp(metadata->name_, name, length) != 0)
1296             continue;
1297         if (metadata->name_[length] != '\0')
1298             continue;
1299     } break; }
1300
1301     return metadata;
1302 }
1303
1304 static void PackageImport(const void *key, const void *value, void *context) {
1305     bool &fail(*reinterpret_cast<bool *>(context));
1306
1307     char buffer[1024];
1308     if (!CFStringGetCString((CFStringRef) key, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
1309         NSLog(@"failed to import package %@", key);
1310         return;
1311     }
1312
1313     PackageValue *metadata(PackageFind(buffer, strlen(buffer), &fail));
1314     NSDictionary *package((NSDictionary *) value);
1315
1316     if (NSNumber *subscribed = [package objectForKey:@"IsSubscribed"])
1317         if ([subscribed boolValue] && !metadata->subscribed_)
1318             metadata->subscribed_ = true;
1319
1320     if (NSDate *date = [package objectForKey:@"FirstSeen"]) {
1321         time_t time([date timeIntervalSince1970]);
1322         if (metadata->first_ > time || metadata->first_ == 0)
1323             metadata->first_ = time;
1324     }
1325
1326     NSDate *date([package objectForKey:@"LastSeen"]);
1327     NSString *version([package objectForKey:@"LastVersion"]);
1328
1329     if (date != nil && version != nil) {
1330         time_t time([date timeIntervalSince1970]);
1331         if (metadata->last_ < time || metadata->last_ == 0)
1332             if (CFStringGetCString((CFStringRef) version, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
1333                 size_t length(strlen(buffer));
1334                 uint16_t vhash(hashlittle(buffer, length));
1335
1336                 size_t capped(std::min<size_t>(8, length));
1337                 char *latest(buffer + length - capped);
1338
1339                 strncpy(metadata->version_, latest, sizeof(metadata->version_));
1340                 metadata->vhash_ = vhash;
1341
1342                 metadata->last_ = time;
1343             }
1344     }
1345 }
1346 // }}}
1347
1348 static NSDate *GetStatusDate() {
1349     return [[[NSFileManager defaultManager] attributesOfItemAtPath:@"/var/lib/dpkg/status" error:NULL] fileModificationDate];
1350 }
1351
1352 static void SaveConfig(NSObject *lock) {
1353     @synchronized (lock) {
1354         _trace();
1355         MetaFile_.Sync();
1356         _trace();
1357     }
1358
1359     CFPreferencesSetMultiple((CFDictionaryRef) [NSDictionary dictionaryWithObjectsAndKeys:
1360         Values_, @"CydiaValues",
1361         Sections_, @"CydiaSections",
1362         (id) Sources_, @"CydiaSources",
1363         Version_, @"CydiaVersion",
1364     nil], NULL, CFSTR("com.saurik.Cydia"), kCFPreferencesCurrentUser, kCFPreferencesCurrentHost);
1365
1366     if (!CFPreferencesAppSynchronize(CFSTR("com.saurik.Cydia")))
1367         NSLog(@"CFPreferencesAppSynchronize(com.saurik.Cydia) == false");
1368
1369     CydiaWriteSources();
1370 }
1371
1372 /* Source Class {{{ */
1373 @interface Source : NSObject {
1374     unsigned era_;
1375     Database *database_;
1376     metaIndex *index_;
1377
1378     CYString depiction_;
1379     CYString description_;
1380     CYString label_;
1381     CYString origin_;
1382     CYString support_;
1383
1384     CYString uri_;
1385     CYString distribution_;
1386     CYString type_;
1387     CYString base_;
1388     CYString version_;
1389
1390     _H<NSString> host_;
1391     _H<NSString> authority_;
1392
1393     CYString defaultIcon_;
1394
1395     _H<NSMutableDictionary> record_;
1396     BOOL trusted_;
1397
1398     std::set<std::string> fetches_;
1399     std::set<std::string> files_;
1400     _transient NSObject<SourceDelegate> *delegate_;
1401 }
1402
1403 - (Source *) initWithMetaIndex:(metaIndex *)index forDatabase:(Database *)database inPool:(CYPool *)pool;
1404
1405 - (NSComparisonResult) compareByName:(Source *)source;
1406
1407 - (NSString *) depictionForPackage:(NSString *)package;
1408 - (NSString *) supportForPackage:(NSString *)package;
1409
1410 - (metaIndex *) metaIndex;
1411 - (NSDictionary *) record;
1412 - (BOOL) trusted;
1413
1414 - (NSString *) rooturi;
1415 - (NSString *) distribution;
1416 - (NSString *) type;
1417
1418 - (NSString *) key;
1419 - (NSString *) host;
1420
1421 - (NSString *) name;
1422 - (NSString *) shortDescription;
1423 - (NSString *) label;
1424 - (NSString *) origin;
1425 - (NSString *) version;
1426
1427 - (NSString *) defaultIcon;
1428 - (NSURL *) iconURL;
1429
1430 - (void) setFetch:(bool)fetch forURI:(const char *)uri;
1431 - (void) resetFetch;
1432
1433 @end
1434
1435 @implementation Source
1436
1437 + (NSString *) webScriptNameForSelector:(SEL)selector {
1438     if (false);
1439     else if (selector == @selector(addSection:))
1440         return @"addSection";
1441     else if (selector == @selector(getField:))
1442         return @"getField";
1443     else if (selector == @selector(removeSection:))
1444         return @"removeSection";
1445     else if (selector == @selector(remove))
1446         return @"remove";
1447     else
1448         return nil;
1449 }
1450
1451 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
1452     return [self webScriptNameForSelector:selector] == nil;
1453 }
1454
1455 + (NSArray *) _attributeKeys {
1456     return [NSArray arrayWithObjects:
1457         @"baseuri",
1458         @"distribution",
1459         @"host",
1460         @"key",
1461         @"iconuri",
1462         @"label",
1463         @"name",
1464         @"origin",
1465         @"rooturi",
1466         @"sections",
1467         @"shortDescription",
1468         @"trusted",
1469         @"type",
1470         @"version",
1471     nil];
1472 }
1473
1474 - (NSArray *) attributeKeys {
1475     return [[self class] _attributeKeys];
1476 }
1477
1478 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1479     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1480 }
1481
1482 - (metaIndex *) metaIndex {
1483     return index_;
1484 }
1485
1486 - (void) setMetaIndex:(metaIndex *)index inPool:(CYPool *)pool {
1487     trusted_ = index->IsTrusted();
1488
1489     uri_.set(pool, index->GetURI());
1490     distribution_.set(pool, index->GetDist());
1491     type_.set(pool, index->GetType());
1492
1493     debReleaseIndex *dindex(dynamic_cast<debReleaseIndex *>(index));
1494     if (dindex != NULL) {
1495         std::string file(dindex->MetaIndexURI(""));
1496         base_.set(pool, file);
1497
1498         pkgAcquire acquire;
1499         _profile(Source$setMetaIndex$GetIndexes)
1500         dindex->GetIndexes(&acquire, true);
1501         _end
1502         _profile(Source$setMetaIndex$DescURI)
1503         for (pkgAcquire::ItemIterator item(acquire.ItemsBegin()); item != acquire.ItemsEnd(); item++) {
1504             std::string file((*item)->DescURI());
1505             auto slash(file.rfind('/'));
1506             if (slash == std::string::npos)
1507                 continue;
1508             files_.insert(file.substr(0, slash));
1509         }
1510         _end
1511
1512         FileFd fd;
1513         if (!fd.Open(dindex->MetaIndexFile("Release"), FileFd::ReadOnly))
1514             _error->Discard();
1515         else {
1516             pkgTagFile tags(&fd);
1517
1518             pkgTagSection section;
1519             tags.Step(section);
1520
1521             struct {
1522                 const char *name_;
1523                 CYString *value_;
1524             } names[] = {
1525                 {"default-icon", &defaultIcon_},
1526                 {"depiction", &depiction_},
1527                 {"description", &description_},
1528                 {"label", &label_},
1529                 {"origin", &origin_},
1530                 {"support", &support_},
1531                 {"version", &version_},
1532             };
1533
1534             for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i) {
1535                 const char *start, *end;
1536
1537                 if (section.Find(names[i].name_, start, end)) {
1538                     CYString &value(*names[i].value_);
1539                     value.set(pool, start, end - start);
1540                 }
1541             }
1542         }
1543     }
1544
1545     record_ = [Sources_ objectForKey:[self key]];
1546
1547     NSURL *url([NSURL URLWithString:uri_]);
1548
1549     host_ = [url host];
1550     if (host_ != nil)
1551         host_ = [host_ lowercaseString];
1552
1553     if (host_ != nil)
1554         authority_ = host_;
1555     else
1556         authority_ = [url path];
1557 }
1558
1559 - (Source *) initWithMetaIndex:(metaIndex *)index forDatabase:(Database *)database inPool:(CYPool *)pool {
1560     if ((self = [super init]) != nil) {
1561         era_ = [database era];
1562         database_ = database;
1563         index_ = index;
1564
1565         _profile(Source$initWithMetaIndex$setMetaIndex)
1566         [self setMetaIndex:index inPool:pool];
1567         _end
1568     } return self;
1569 }
1570
1571 - (NSString *) getField:(NSString *)name {
1572 @synchronized (database_) {
1573     if ([database_ era] != era_ || index_ == NULL)
1574         return nil;
1575
1576     debReleaseIndex *dindex(dynamic_cast<debReleaseIndex *>(index_));
1577     if (dindex == NULL)
1578         return nil;
1579
1580     FileFd fd;
1581     if (!fd.Open(dindex->MetaIndexFile("Release"), FileFd::ReadOnly)) {
1582          _error->Discard();
1583          return nil;
1584     }
1585
1586     pkgTagFile tags(&fd);
1587
1588     pkgTagSection section;
1589     tags.Step(section);
1590
1591     const char *start, *end;
1592     if (!section.Find([name UTF8String], start, end))
1593         return (NSString *) [NSNull null];
1594
1595     return [NSString stringWithString:[(NSString *) CYStringCreate(start, end - start) autorelease]];
1596 } }
1597
1598 - (NSComparisonResult) compareByName:(Source *)source {
1599     NSString *lhs = [self name];
1600     NSString *rhs = [source name];
1601
1602     if ([lhs length] != 0 && [rhs length] != 0) {
1603         unichar lhc = [lhs characterAtIndex:0];
1604         unichar rhc = [rhs characterAtIndex:0];
1605
1606         if (isalpha(lhc) && !isalpha(rhc))
1607             return NSOrderedAscending;
1608         else if (!isalpha(lhc) && isalpha(rhc))
1609             return NSOrderedDescending;
1610     }
1611
1612     return [lhs compare:rhs options:LaxCompareOptions_];
1613 }
1614
1615 - (NSString *) depictionForPackage:(NSString *)package {
1616     return depiction_.empty() ? nil : [static_cast<id>(depiction_) stringByReplacingOccurrencesOfString:@"*" withString:package];
1617 }
1618
1619 - (NSString *) supportForPackage:(NSString *)package {
1620     return support_.empty() ? nil : [static_cast<id>(support_) stringByReplacingOccurrencesOfString:@"*" withString:package];
1621 }
1622
1623 - (NSArray *) sections {
1624     return record_ == nil ? (id) [NSNull null] : [record_ objectForKey:@"Sections"] ?: [NSArray array];
1625 }
1626
1627 - (void) _addSection:(NSString *)section {
1628     if (record_ == nil)
1629         return;
1630     else if (NSMutableArray *sections = [record_ objectForKey:@"Sections"]) {
1631         if (![sections containsObject:section])
1632             [sections addObject:section];
1633     } else
1634         [record_ setObject:[NSMutableArray arrayWithObject:section] forKey:@"Sections"];
1635 }
1636
1637 - (bool) addSection:(NSString *)section {
1638     if (record_ == nil)
1639         return false;
1640
1641     [self performSelectorOnMainThread:@selector(_addSection:) withObject:section waitUntilDone:NO];
1642     return true;
1643 }
1644
1645 - (void) _removeSection:(NSString *)section {
1646     if (record_ == nil)
1647         return;
1648
1649     if (NSMutableArray *sections = [record_ objectForKey:@"Sections"])
1650         if ([sections containsObject:section])
1651             [sections removeObject:section];
1652 }
1653
1654 - (bool) removeSection:(NSString *)section {
1655     if (record_ == nil)
1656         return false;
1657
1658     [self performSelectorOnMainThread:@selector(_removeSection:) withObject:section waitUntilDone:NO];
1659     return true;
1660 }
1661
1662 - (void) _remove {
1663     [Sources_ removeObjectForKey:[self key]];
1664 }
1665
1666 - (bool) remove {
1667     bool value(record_ != nil);
1668     [self performSelectorOnMainThread:@selector(_remove) withObject:nil waitUntilDone:NO];
1669     return value;
1670 }
1671
1672 - (NSDictionary *) record {
1673     return record_;
1674 }
1675
1676 - (BOOL) trusted {
1677     return trusted_;
1678 }
1679
1680 - (NSString *) rooturi {
1681     return uri_;
1682 }
1683
1684 - (NSString *) distribution {
1685     return distribution_;
1686 }
1687
1688 - (NSString *) type {
1689     return type_;
1690 }
1691
1692 - (NSString *) baseuri {
1693     return base_.empty() ? nil : (id) base_;
1694 }
1695
1696 - (NSString *) iconuri {
1697     if (NSString *base = [self baseuri])
1698         return [base stringByAppendingString:@"CydiaIcon.png"];
1699
1700     return nil;
1701 }
1702
1703 - (NSURL *) iconURL {
1704     if (NSString *uri = [self iconuri])
1705         return [NSURL URLWithString:uri];
1706     return nil;
1707 }
1708
1709 - (NSString *) key {
1710     return [NSString stringWithFormat:@"%@:%@:%@", (NSString *) type_, (NSString *) uri_, (NSString *) distribution_];
1711 }
1712
1713 - (NSString *) host {
1714     return host_;
1715 }
1716
1717 - (NSString *) name {
1718     return origin_.empty() ? (id) authority_ : origin_;
1719 }
1720
1721 - (NSString *) shortDescription {
1722     return description_;
1723 }
1724
1725 - (NSString *) label {
1726     return label_.empty() ? (id) authority_ : label_;
1727 }
1728
1729 - (NSString *) origin {
1730     return origin_;
1731 }
1732
1733 - (NSString *) version {
1734     return version_;
1735 }
1736
1737 - (NSString *) defaultIcon {
1738     return defaultIcon_;
1739 }
1740
1741 - (void) setDelegate:(NSObject<SourceDelegate> *)delegate {
1742     delegate_ = delegate;
1743 }
1744
1745 - (bool) fetch {
1746     return !fetches_.empty();
1747 }
1748
1749 - (void) setFetch:(bool)fetch forURI:(const char *)uri {
1750     if (!fetch) {
1751         if (fetches_.erase(uri) == 0)
1752             return;
1753     } else if (files_.find(uri) == files_.end())
1754         return;
1755     else if (!fetches_.insert(uri).second)
1756         return;
1757
1758     [delegate_ performSelectorOnMainThread:@selector(setFetch:) withObject:[NSNumber numberWithBool:[self fetch]] waitUntilDone:NO];
1759 }
1760
1761 - (void) resetFetch {
1762     fetches_.clear();
1763     [delegate_ performSelectorOnMainThread:@selector(setFetch:) withObject:[NSNumber numberWithBool:NO] waitUntilDone:NO];
1764 }
1765
1766 @end
1767 /* }}} */
1768 /* CydiaOperation Class {{{ */
1769 @interface CydiaOperation : NSObject {
1770     _H<NSString> operator_;
1771     _H<NSString> value_;
1772 }
1773
1774 - (NSString *) operator;
1775 - (NSString *) value;
1776
1777 @end
1778
1779 @implementation CydiaOperation
1780
1781 - (id) initWithOperator:(const char *)_operator value:(const char *)value {
1782     if ((self = [super init]) != nil) {
1783         operator_ = [NSString stringWithUTF8String:_operator];
1784         value_ = [NSString stringWithUTF8String:value];
1785     } return self;
1786 }
1787
1788 + (NSArray *) _attributeKeys {
1789     return [NSArray arrayWithObjects:
1790         @"operator",
1791         @"value",
1792     nil];
1793 }
1794
1795 - (NSArray *) attributeKeys {
1796     return [[self class] _attributeKeys];
1797 }
1798
1799 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1800     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1801 }
1802
1803 - (NSString *) operator {
1804     return operator_;
1805 }
1806
1807 - (NSString *) value {
1808     return value_;
1809 }
1810
1811 @end
1812 /* }}} */
1813 /* CydiaClause Class {{{ */
1814 @interface CydiaClause : NSObject {
1815     _H<NSString> package_;
1816     _H<CydiaOperation> version_;
1817 }
1818
1819 - (NSString *) package;
1820 - (CydiaOperation *) version;
1821
1822 @end
1823
1824 @implementation CydiaClause
1825
1826 - (id) initWithIterator:(pkgCache::DepIterator &)dep {
1827     if ((self = [super init]) != nil) {
1828         package_ = [NSString stringWithUTF8String:dep.TargetPkg().Name()];
1829
1830         if (const char *version = dep.TargetVer())
1831             version_ = [[[CydiaOperation alloc] initWithOperator:dep.CompType() value:version] autorelease];
1832         else
1833             version_ = (id) [NSNull null];
1834     } return self;
1835 }
1836
1837 + (NSArray *) _attributeKeys {
1838     return [NSArray arrayWithObjects:
1839         @"package",
1840         @"version",
1841     nil];
1842 }
1843
1844 - (NSArray *) attributeKeys {
1845     return [[self class] _attributeKeys];
1846 }
1847
1848 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1849     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1850 }
1851
1852 - (NSString *) package {
1853     return package_;
1854 }
1855
1856 - (CydiaOperation *) version {
1857     return version_;
1858 }
1859
1860 @end
1861 /* }}} */
1862 /* CydiaRelation Class {{{ */
1863 @interface CydiaRelation : NSObject {
1864     _H<NSString> relationship_;
1865     _H<NSMutableArray> clauses_;
1866 }
1867
1868 - (NSString *) relationship;
1869 - (NSArray *) clauses;
1870
1871 @end
1872
1873 @implementation CydiaRelation
1874
1875 - (id) initWithIterator:(pkgCache::DepIterator &)dep {
1876     if ((self = [super init]) != nil) {
1877         relationship_ = [NSString stringWithUTF8String:dep.DepType()];
1878         clauses_ = [NSMutableArray arrayWithCapacity:8];
1879
1880         pkgCache::DepIterator start;
1881         pkgCache::DepIterator end;
1882         dep.GlobOr(start, end); // ++dep
1883
1884         _forever {
1885             [clauses_ addObject:[[[CydiaClause alloc] initWithIterator:start] autorelease]];
1886
1887             // yes, seriously. (wtf?)
1888             if (start == end)
1889                 break;
1890             ++start;
1891         }
1892     } return self;
1893 }
1894
1895 + (NSArray *) _attributeKeys {
1896     return [NSArray arrayWithObjects:
1897         @"clauses",
1898         @"relationship",
1899     nil];
1900 }
1901
1902 - (NSArray *) attributeKeys {
1903     return [[self class] _attributeKeys];
1904 }
1905
1906 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1907     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1908 }
1909
1910 - (NSString *) relationship {
1911     return relationship_;
1912 }
1913
1914 - (NSArray *) clauses {
1915     return clauses_;
1916 }
1917
1918 - (void) addClause:(CydiaClause *)clause {
1919     [clauses_ addObject:clause];
1920 }
1921
1922 @end
1923 /* }}} */
1924 /* Package Class {{{ */
1925 struct ParsedPackage {
1926     CYString md5sum_;
1927     CYString tagline_;
1928
1929     CYString architecture_;
1930     CYString icon_;
1931
1932     CYString depiction_;
1933     CYString homepage_;
1934     CYString author_;
1935
1936     CYString support_;
1937 };
1938
1939 @interface Package : NSObject {
1940     uint32_t era_ : 25;
1941     @public uint32_t role_ : 3;
1942     uint32_t essential_ : 1;
1943     uint32_t obsolete_ : 1;
1944     uint32_t ignored_ : 1;
1945     uint32_t pooled_ : 1;
1946
1947     CYPool *pool_;
1948
1949     uint32_t rank_;
1950
1951     _transient Database *database_;
1952
1953     pkgCache::VerIterator version_;
1954     pkgCache::PkgIterator iterator_;
1955     pkgCache::VerFileIterator file_;
1956
1957     CYString id_;
1958     CYString name_;
1959     CYString transform_;
1960
1961     CYString latest_;
1962     CYString installed_;
1963     time_t upgraded_;
1964
1965     const char *section_;
1966     _transient NSString *section$_;
1967
1968     _H<Source> source_;
1969
1970     PackageValue *metadata_;
1971     ParsedPackage *parsed_;
1972
1973     _H<NSMutableArray> tags_;
1974 }
1975
1976 - (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(CYPool *)pool database:(Database *)database;
1977 + (Package *) newPackageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(CYPool *)pool database:(Database *)database;
1978
1979 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(CYPool *)pool database:(Database *)database;
1980
1981 - (pkgCache::PkgIterator) iterator;
1982 - (void) parse;
1983
1984 - (NSString *) section;
1985 - (NSString *) simpleSection;
1986
1987 - (NSString *) longSection;
1988 - (NSString *) shortSection;
1989
1990 - (NSString *) uri;
1991
1992 - (MIMEAddress *) maintainer;
1993 - (size_t) size;
1994 - (NSString *) longDescription;
1995 - (NSString *) shortDescription;
1996 - (unichar) index;
1997
1998 - (PackageValue *) metadata;
1999 - (time_t) seen;
2000
2001 - (bool) subscribed;
2002 - (bool) setSubscribed:(bool)subscribed;
2003
2004 - (BOOL) ignored;
2005
2006 - (NSString *) latest;
2007 - (NSString *) installed;
2008 - (BOOL) uninstalled;
2009
2010 - (BOOL) upgradableAndEssential:(BOOL)essential;
2011 - (BOOL) essential;
2012 - (BOOL) broken;
2013 - (BOOL) unfiltered;
2014 - (BOOL) visible;
2015
2016 - (BOOL) half;
2017 - (BOOL) halfConfigured;
2018 - (BOOL) halfInstalled;
2019 - (BOOL) hasMode;
2020 - (NSString *) mode;
2021
2022 - (NSString *) id;
2023 - (NSString *) name;
2024 - (UIImage *) icon;
2025 - (NSString *) homepage;
2026 - (NSString *) depiction;
2027 - (MIMEAddress *) author;
2028
2029 - (NSString *) support;
2030
2031 - (NSArray *) files;
2032 - (NSArray *) warnings;
2033 - (NSArray *) applications;
2034
2035 - (Source *) source;
2036
2037 - (uint32_t) rank;
2038 - (BOOL) matches:(NSArray *)query;
2039
2040 - (BOOL) hasTag:(NSString *)tag;
2041 - (NSString *) primaryPurpose;
2042 - (NSArray *) purposes;
2043 - (bool) isCommercial;
2044
2045 - (void) setIndex:(size_t)index;
2046
2047 - (CYString &) cyname;
2048
2049 - (uint32_t) compareBySection:(NSArray *)sections;
2050
2051 - (void) install;
2052 - (void) remove;
2053
2054 @end
2055
2056 uint32_t PackageChangesRadix(Package *self, void *) {
2057     union {
2058         uint32_t key;
2059
2060         struct {
2061             uint32_t timestamp : 30;
2062             uint32_t ignored : 1;
2063             uint32_t upgradable : 1;
2064         } bits;
2065     } value;
2066
2067     bool upgradable([self upgradableAndEssential:YES]);
2068     value.bits.upgradable = upgradable ? 1 : 0;
2069
2070     if (upgradable) {
2071         value.bits.timestamp = 0;
2072         value.bits.ignored = [self ignored] ? 0 : 1;
2073         value.bits.upgradable = 1;
2074     } else {
2075         value.bits.timestamp = [self seen] >> 2;
2076         value.bits.ignored = 0;
2077         value.bits.upgradable = 0;
2078     }
2079
2080     return _not(uint32_t) - value.key;
2081 }
2082
2083 CYString &(*PackageName)(Package *self, SEL sel);
2084
2085 uint32_t PackagePrefixRadix(Package *self, void *context) {
2086     size_t offset(reinterpret_cast<size_t>(context));
2087     CYString &name(PackageName(self, @selector(cyname)));
2088
2089     size_t size(name.size());
2090     if (size == 0)
2091         return 0;
2092     char *text(name.data());
2093
2094     size_t zeros;
2095     if (!isdigit(text[0]))
2096         zeros = 0;
2097     else {
2098         size_t digits(1);
2099         while (size != digits && isdigit(text[digits]))
2100             if (++digits == 4)
2101                 break;
2102         zeros = 4 - digits;
2103     }
2104
2105     uint8_t data[4];
2106
2107     if (offset == 0 && zeros != 0) {
2108         memset(data, '0', zeros);
2109         memcpy(data + zeros, text, 4 - zeros);
2110     } else {
2111         /* XXX: there's some danger here if you request a non-zero offset < 4 and it gets zero padded */
2112         if (size <= offset - zeros)
2113             return 0;
2114
2115         text += offset - zeros;
2116         size -= offset - zeros;
2117
2118         if (size >= 4)
2119             memcpy(data, text, 4);
2120         else {
2121             memcpy(data, text, size);
2122             memset(data + size, 0, 4 - size);
2123         }
2124
2125         for (size_t i(0); i != 4; ++i)
2126             if (isalpha(data[i]))
2127                 data[i] |= 0x20;
2128     }
2129
2130     if (offset == 0)
2131         if (data[0] == '@')
2132             data[0] = 0x7f;
2133         else
2134             data[0] = (data[0] & 0x1f) | "\x80\x00\xc0\x40"[data[0] >> 6];
2135
2136     /* XXX: ntohl may be more honest */
2137     return OSSwapInt32(*reinterpret_cast<uint32_t *>(data));
2138 }
2139
2140 CFComparisonResult StringNameCompare(CFStringRef lhn, CFStringRef rhn, size_t length) {
2141     _profile(PackageNameCompare)
2142         if (lhn == NULL)
2143             return rhn == NULL ? kCFCompareEqualTo : kCFCompareLessThan;
2144         else if (rhn == NULL)
2145             return kCFCompareGreaterThan;
2146
2147         CFIndex length(CFStringGetLength(lhn));
2148
2149         _profile(PackageNameCompare$NumbersLast)
2150             if (length != 0 && CFStringGetLength(rhn) != 0) {
2151                 UniChar lhc(CFStringGetCharacterAtIndex(lhn, 0));
2152                 UniChar rhc(CFStringGetCharacterAtIndex(rhn, 0));
2153                 bool lha(CFUniCharIsMemberOf(lhc, kCFUniCharLetterCharacterSet));
2154                 if (lha != CFUniCharIsMemberOf(rhc, kCFUniCharLetterCharacterSet))
2155                     return lha ? kCFCompareLessThan : kCFCompareGreaterThan;
2156             }
2157         _end
2158
2159         _profile(PackageNameCompare$Compare)
2160             return CFStringCompareWithOptionsAndLocale(lhn, rhn, CFRangeMake(0, length), LaxCompareFlags_, (CFLocaleRef) (id) CollationLocale_);
2161         _end
2162     _end
2163 }
2164
2165 _finline CFComparisonResult StringNameCompare(NSString *lhn, NSString*rhn, size_t length) {
2166     return StringNameCompare((CFStringRef) lhn, (CFStringRef) rhn, length);
2167 }
2168
2169 CFComparisonResult PackageNameCompare(Package *lhs, Package *rhs, void *arg) {
2170     CYString &lhn(PackageName(lhs, @selector(cyname)));
2171     NSString *rhn(PackageName(rhs, @selector(cyname)));
2172     return StringNameCompare(lhn, rhn, lhn.size());
2173 }
2174
2175 CFComparisonResult PackageNameCompare_(Package **lhs, Package **rhs, void *arg) {
2176     return PackageNameCompare(*lhs, *rhs, arg);
2177 }
2178
2179 struct PackageNameOrdering :
2180     std::binary_function<Package *, Package *, bool>
2181 {
2182     _finline bool operator ()(Package *lhs, Package *rhs) const {
2183         return PackageNameCompare(lhs, rhs, NULL) == kCFCompareLessThan;
2184     }
2185 };
2186
2187 @implementation Package
2188
2189 - (NSString *) description {
2190     return [NSString stringWithFormat:@"<Package:%@>", static_cast<NSString *>(name_)];
2191 }
2192
2193 - (void) dealloc {
2194     if (!pooled_)
2195         delete pool_;
2196     if (parsed_ != NULL)
2197         delete parsed_;
2198     [super dealloc];
2199 }
2200
2201 + (NSString *) webScriptNameForSelector:(SEL)selector {
2202     if (false);
2203     else if (selector == @selector(clear))
2204         return @"clear";
2205     else if (selector == @selector(getField:))
2206         return @"getField";
2207     else if (selector == @selector(getRecord))
2208         return @"getRecord";
2209     else if (selector == @selector(hasTag:))
2210         return @"hasTag";
2211     else if (selector == @selector(install))
2212         return @"install";
2213     else if (selector == @selector(remove))
2214         return @"remove";
2215     else
2216         return nil;
2217 }
2218
2219 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
2220     return [self webScriptNameForSelector:selector] == nil;
2221 }
2222
2223 + (NSArray *) _attributeKeys {
2224     return [NSArray arrayWithObjects:
2225         @"applications",
2226         @"architecture",
2227         @"author",
2228         @"depiction",
2229         @"essential",
2230         @"homepage",
2231         @"icon",
2232         @"id",
2233         @"installed",
2234         @"latest",
2235         @"longDescription",
2236         @"longSection",
2237         @"maintainer",
2238         @"md5sum",
2239         @"mode",
2240         @"name",
2241         @"purposes",
2242         @"relations",
2243         @"section",
2244         @"selection",
2245         @"shortDescription",
2246         @"shortSection",
2247         @"simpleSection",
2248         @"size",
2249         @"source",
2250         @"state",
2251         @"support",
2252         @"tags",
2253         @"upgraded",
2254         @"warnings",
2255     nil];
2256 }
2257
2258 - (NSArray *) attributeKeys {
2259     return [[self class] _attributeKeys];
2260 }
2261
2262 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
2263     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
2264 }
2265
2266 - (NSArray *) relations {
2267 @synchronized (database_) {
2268     NSMutableArray *relations([NSMutableArray arrayWithCapacity:16]);
2269     for (pkgCache::DepIterator dep(version_.DependsList()); !dep.end(); ++dep)
2270         [relations addObject:[[[CydiaRelation alloc] initWithIterator:dep] autorelease]];
2271     return relations;
2272 } }
2273
2274 - (NSString *) architecture {
2275     [self parse];
2276 @synchronized (database_) {
2277     return parsed_->architecture_.empty() ? [NSNull null] : (id) parsed_->architecture_;
2278 } }
2279
2280 - (NSString *) getField:(NSString *)name {
2281 @synchronized (database_) {
2282     if ([database_ era] != era_ || file_.end())
2283         return nil;
2284
2285     pkgRecords::Parser &parser([database_ records]->Lookup(file_));
2286
2287     const char *start, *end;
2288     if (!parser.Find([name UTF8String], start, end))
2289         return (NSString *) [NSNull null];
2290
2291     return [NSString stringWithString:[(NSString *) CYStringCreate(start, end - start) autorelease]];
2292 } }
2293
2294 - (NSString *) getRecord {
2295 @synchronized (database_) {
2296     if ([database_ era] != era_ || file_.end())
2297         return nil;
2298
2299     pkgRecords::Parser &parser([database_ records]->Lookup(file_));
2300
2301     const char *start, *end;
2302     parser.GetRec(start, end);
2303
2304     return [NSString stringWithString:[(NSString *) CYStringCreate(start, end - start) autorelease]];
2305 } }
2306
2307 - (void) parse {
2308     if (parsed_ != NULL)
2309         return;
2310 @synchronized (database_) {
2311     if ([database_ era] != era_ || file_.end())
2312         return;
2313
2314     ParsedPackage *parsed(new ParsedPackage);
2315     parsed_ = parsed;
2316
2317     _profile(Package$parse)
2318         pkgRecords::Parser *parser;
2319
2320         _profile(Package$parse$Lookup)
2321             parser = &[database_ records]->Lookup(file_);
2322         _end
2323
2324         CYString bugs;
2325         CYString website;
2326
2327         _profile(Package$parse$Find)
2328             struct {
2329                 const char *name_;
2330                 CYString *value_;
2331             } names[] = {
2332                 {"architecture", &parsed->architecture_},
2333                 {"icon", &parsed->icon_},
2334                 {"depiction", &parsed->depiction_},
2335                 {"homepage", &parsed->homepage_},
2336                 {"website", &website},
2337                 {"bugs", &bugs},
2338                 {"support", &parsed->support_},
2339                 {"author", &parsed->author_},
2340                 {"md5sum", &parsed->md5sum_},
2341             };
2342
2343             for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i) {
2344                 const char *start, *end;
2345
2346                 if (parser->Find(names[i].name_, start, end)) {
2347                     CYString &value(*names[i].value_);
2348                     _profile(Package$parse$Value)
2349                         value.set(pool_, start, end - start);
2350                     _end
2351                 }
2352             }
2353         _end
2354
2355         _profile(Package$parse$Tagline)
2356             parsed->tagline_.set(pool_, parser->ShortDesc());
2357         _end
2358
2359         _profile(Package$parse$Retain)
2360             if (parsed->homepage_.empty())
2361                 parsed->homepage_ = website;
2362             if (parsed->homepage_ == parsed->depiction_)
2363                 parsed->homepage_.clear();
2364             if (parsed->support_.empty())
2365                 parsed->support_ = bugs;
2366         _end
2367     _end
2368 } }
2369
2370 - (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(CYPool *)pool database:(Database *)database {
2371     if ((self = [super init]) != nil) {
2372     _profile(Package$initWithVersion)
2373         if (pool == NULL)
2374             pool_ = new CYPool();
2375         else {
2376             pool_ = pool;
2377             pooled_ = true;
2378         }
2379
2380         database_ = database;
2381         era_ = [database era];
2382
2383         version_ = version;
2384
2385         pkgCache::PkgIterator iterator(version_.ParentPkg());
2386         iterator_ = iterator;
2387
2388         _profile(Package$initWithVersion$Version)
2389             file_ = version_.FileList();
2390         _end
2391
2392         _profile(Package$initWithVersion$Cache)
2393             name_.set(NULL, version_.Display());
2394
2395             latest_.set(NULL, StripVersion_(version_.VerStr()));
2396
2397             pkgCache::VerIterator current(iterator.CurrentVer());
2398             if (!current.end())
2399                 installed_.set(NULL, StripVersion_(current.VerStr()));
2400         _end
2401
2402         _profile(Package$initWithVersion$Transliterate) do {
2403             if (CollationTransl_ == NULL)
2404                 break;
2405             if (name_.empty())
2406                 break;
2407
2408             _profile(Package$initWithVersion$Transliterate$utf8)
2409             const uint8_t *data(reinterpret_cast<const uint8_t *>(name_.data()));
2410             for (size_t i(0), e(name_.size()); i != e; ++i)
2411                 if (data[i] >= 0x80)
2412                     goto extended;
2413             break; extended:;
2414             _end
2415
2416             UErrorCode code(U_ZERO_ERROR);
2417             int32_t length;
2418
2419             _profile(Package$initWithVersion$Transliterate$u_strFromUTF8WithSub)
2420             CollationString_.resize(name_.size());
2421             u_strFromUTF8WithSub(&CollationString_[0], CollationString_.size(), &length, name_.data(), name_.size(), 0xfffd, NULL, &code);
2422             if (!U_SUCCESS(code))
2423                 break;
2424             CollationString_.resize(length);
2425             _end
2426
2427             _profile(Package$initWithVersion$Transliterate$utrans_trans)
2428             length = CollationString_.size();
2429             utrans_trans(CollationTransl_, reinterpret_cast<UReplaceable *>(&CollationString_), &CollationUCalls_, 0, &length, &code);
2430             if (!U_SUCCESS(code))
2431                 break;
2432             _assert(CollationString_.size() == length);
2433             _end
2434
2435             _profile(Package$initWithVersion$Transliterate$u_strToUTF8WithSub$preflight)
2436             u_strToUTF8WithSub(NULL, 0, &length, CollationString_.data(), CollationString_.size(), 0xfffd, NULL, &code);
2437             if (code == U_BUFFER_OVERFLOW_ERROR)
2438                 code = U_ZERO_ERROR;
2439             else if (!U_SUCCESS(code))
2440                 break;
2441             _end
2442
2443             char *transform;
2444             _profile(Package$initWithVersion$Transliterate$apr_palloc)
2445             transform = pool_->malloc<char>(length);
2446             _end
2447             _profile(Package$initWithVersion$Transliterate$u_strToUTF8WithSub$transform)
2448             u_strToUTF8WithSub(transform, length, NULL, CollationString_.data(), CollationString_.size(), 0xfffd, NULL, &code);
2449             if (!U_SUCCESS(code))
2450                 break;
2451             _end
2452
2453             transform_.set(NULL, transform, length);
2454         } while (false); _end
2455
2456         _profile(Package$initWithVersion$Tags)
2457 #ifdef __arm64__
2458             pkgCache::TagIterator tag(version_.TagList());
2459 #else
2460             pkgCache::TagIterator tag(iterator.TagList());
2461 #endif
2462             if (!tag.end()) {
2463                 tags_ = [NSMutableArray arrayWithCapacity:8];
2464
2465                 goto tag; for (; !tag.end(); ++tag) tag: {
2466                     const char *name(tag.Name());
2467                     NSString *string((NSString *) CYStringCreate(name));
2468                     if (string == nil)
2469                         continue;
2470
2471                     [tags_ addObject:[string autorelease]];
2472
2473                     if (role_ == 0 && strncmp(name, "role::", 6) == 0 /*&& strcmp(name, "role::leaper") != 0*/) {
2474                         if (strcmp(name + 6, "enduser") == 0)
2475                             role_ = 1;
2476                         else if (strcmp(name + 6, "hacker") == 0)
2477                             role_ = 2;
2478                         else if (strcmp(name + 6, "developer") == 0)
2479                             role_ = 3;
2480                         else if (strcmp(name + 6, "cydia") == 0)
2481                             role_ = 7;
2482                         else
2483                             role_ = 4;
2484                     }
2485
2486                     if (strncmp(name, "cydia::", 7) == 0) {
2487                         if (strcmp(name + 7, "essential") == 0)
2488                             essential_ = true;
2489                         else if (strcmp(name + 7, "obsolete") == 0)
2490                             obsolete_ = true;
2491                     }
2492                 }
2493             }
2494         _end
2495
2496         _profile(Package$initWithVersion$Metadata)
2497             const char *mixed(iterator.Name());
2498             size_t size(strlen(mixed));
2499             static const size_t prefix(sizeof("/var/lib/dpkg/info/") - 1);
2500             char lower[prefix + size + 5 + 1];
2501
2502             for (size_t i(0); i != size; ++i)
2503                 lower[prefix + i] = mixed[i] | 0x20;
2504
2505             if (!installed_.empty()) {
2506                 memcpy(lower, "/var/lib/dpkg/info/", prefix);
2507                 memcpy(lower + prefix + size, ".list", 6);
2508                 struct stat info;
2509                 if (stat(lower, &info) != -1)
2510                     upgraded_ = info.st_birthtime;
2511             }
2512
2513             PackageValue *metadata(PackageFind(lower + prefix, size));
2514             metadata_ = metadata;
2515
2516             id_.set(NULL, metadata->name_, size);
2517
2518             const char *latest(version_.VerStr());
2519             size_t length(strlen(latest));
2520
2521             uint16_t vhash(hashlittle(latest, length));
2522
2523             size_t capped(std::min<size_t>(8, length));
2524             latest = latest + length - capped;
2525
2526             if (metadata->first_ == 0)
2527                 metadata->first_ = now_;
2528
2529             if (metadata->vhash_ != vhash || strncmp(metadata->version_, latest, sizeof(metadata->version_)) != 0) {
2530                 strncpy(metadata->version_, latest, sizeof(metadata->version_));
2531                 metadata->vhash_ = vhash;
2532                 metadata->last_ = now_;
2533             } else if (metadata->last_ == 0)
2534                 metadata->last_ = metadata->first_;
2535         _end
2536
2537         _profile(Package$initWithVersion$Section)
2538             section_ = version_.Section();
2539         _end
2540
2541         _profile(Package$initWithVersion$Flags)
2542             essential_ |= ((iterator->Flags & pkgCache::Flag::Essential) == 0 ? NO : YES);
2543             ignored_ = iterator->SelectedState == pkgCache::State::Hold;
2544         _end
2545     _end } return self;
2546 }
2547
2548 + (Package *) newPackageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(CYPool *)pool database:(Database *)database {
2549     pkgCache::VerIterator version;
2550
2551     _profile(Package$packageWithIterator$GetCandidateVer)
2552         version = [database policy]->GetCandidateVer(iterator);
2553     _end
2554
2555     if (version.end())
2556         return nil;
2557
2558     Package *package;
2559
2560     _profile(Package$packageWithIterator$Allocate)
2561         package = [Package allocWithZone:zone];
2562     _end
2563
2564     _profile(Package$packageWithIterator$Initialize)
2565         package = [package
2566             initWithVersion:version
2567             withZone:zone
2568             inPool:pool
2569             database:database
2570         ];
2571     _end
2572
2573     return package;
2574 }
2575
2576 // XXX: just in case a Cydia extension is using this (I bet this is unlikely, though, due to CYPool?)
2577 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(CYPool *)pool database:(Database *)database {
2578     return [[self newPackageWithIterator:iterator withZone:zone inPool:pool database:database] autorelease];
2579 }
2580
2581 - (pkgCache::PkgIterator) iterator {
2582     return iterator_;
2583 }
2584
2585 - (NSArray *) downgrades {
2586     NSMutableArray *versions([NSMutableArray arrayWithCapacity:4]);
2587
2588     for (auto version(iterator_.VersionList()); !version.end(); ++version) {
2589         if (version == version_)
2590             continue;
2591         Package *package([[[Package allocWithZone:NULL] initWithVersion:version withZone:NULL inPool:NULL database:database_] autorelease]);
2592         if ([package source] == nil)
2593             continue;
2594         [versions addObject:package];
2595     }
2596
2597     return versions;
2598 }
2599
2600 - (NSString *) section {
2601     if (section$_ == nil) {
2602         if (section_ == NULL)
2603             return nil;
2604
2605         _profile(Package$section$mappedSectionForPointer)
2606             section$_ = [database_ mappedSectionForPointer:section_];
2607         _end
2608     } return section$_;
2609 }
2610
2611 - (NSString *) simpleSection {
2612     if (NSString *section = [self section])
2613         return Simplify(section);
2614     else
2615         return nil;
2616 }
2617
2618 - (NSString *) longSection {
2619     if (NSString *section = [self section])
2620         return LocalizeSection(section);
2621     else
2622         return nil;
2623 }
2624
2625 - (NSString *) shortSection {
2626     return [[NSBundle mainBundle] localizedStringForKey:[self simpleSection] value:nil table:@"Sections"];
2627 }
2628
2629 - (NSString *) uri {
2630     return nil;
2631 #if 0
2632     pkgIndexFile *index;
2633     pkgCache::PkgFileIterator file(file_.File());
2634     if (![database_ list].FindIndex(file, index))
2635         return nil;
2636     return [NSString stringWithUTF8String:iterator_->Path];
2637     //return [NSString stringWithUTF8String:file.Site()];
2638     //return [NSString stringWithUTF8String:index->ArchiveURI(file.FileName()).c_str()];
2639 #endif
2640 }
2641
2642 - (MIMEAddress *) maintainer {
2643 @synchronized (database_) {
2644     if ([database_ era] != era_ || file_.end())
2645         return nil;
2646
2647     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
2648     const std::string &maintainer(parser->Maintainer());
2649     return maintainer.empty() ? nil : [MIMEAddress addressWithString:[NSString stringWithUTF8String:maintainer.c_str()]];
2650 } }
2651
2652 - (NSString *) md5sum {
2653     return parsed_ == NULL ? nil : (id) parsed_->md5sum_;
2654 }
2655
2656 - (size_t) size {
2657 @synchronized (database_) {
2658     if ([database_ era] != era_ || version_.end())
2659         return 0;
2660
2661     return version_->InstalledSize;
2662 } }
2663
2664 - (NSString *) longDescription {
2665 @synchronized (database_) {
2666     if ([database_ era] != era_ || file_.end())
2667         return nil;
2668
2669     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
2670     NSString *description([NSString stringWithUTF8String:parser->LongDesc().c_str()]);
2671
2672     NSArray *lines = [description componentsSeparatedByString:@"\n"];
2673     NSMutableArray *trimmed = [NSMutableArray arrayWithCapacity:([lines count] - 1)];
2674     if ([lines count] < 2)
2675         return nil;
2676
2677     NSCharacterSet *whitespace = [NSCharacterSet whitespaceCharacterSet];
2678     for (size_t i(1), e([lines count]); i != e; ++i) {
2679         NSString *trim = [[lines objectAtIndex:i] stringByTrimmingCharactersInSet:whitespace];
2680         [trimmed addObject:trim];
2681     }
2682
2683     return [trimmed componentsJoinedByString:@"\n"];
2684 } }
2685
2686 - (NSString *) shortDescription {
2687     if (parsed_ != NULL)
2688         return static_cast<NSString *>(parsed_->tagline_);
2689
2690 @synchronized (database_) {
2691     pkgRecords::Parser &parser([database_ records]->Lookup(file_));
2692     std::string value(parser.ShortDesc());
2693     if (value.empty())
2694         return nil;
2695     if (value.size() > 200)
2696         value.resize(200);
2697     return [(id) CYStringCreate(value) autorelease];
2698 } }
2699
2700 - (unichar) index {
2701     _profile(Package$index)
2702         CFStringRef name((CFStringRef) [self name]);
2703         if (CFStringGetLength(name) == 0)
2704             return '#';
2705         UniChar character(CFStringGetCharacterAtIndex(name, 0));
2706         if (!CFUniCharIsMemberOf(character, kCFUniCharLetterCharacterSet))
2707             return '#';
2708         return toupper(character);
2709     _end
2710 }
2711
2712 - (PackageValue *) metadata {
2713     return metadata_;
2714 }
2715
2716 - (time_t) seen {
2717     PackageValue *metadata([self metadata]);
2718     return metadata->subscribed_ ? metadata->last_ : metadata->first_;
2719 }
2720
2721 - (bool) subscribed {
2722     return [self metadata]->subscribed_;
2723 }
2724
2725 - (bool) setSubscribed:(bool)subscribed {
2726     PackageValue *metadata([self metadata]);
2727     if (metadata->subscribed_ == subscribed)
2728         return false;
2729     metadata->subscribed_ = subscribed;
2730     return true;
2731 }
2732
2733 - (BOOL) ignored {
2734     return ignored_;
2735 }
2736
2737 - (NSString *) latest {
2738     return latest_;
2739 }
2740
2741 - (NSString *) installed {
2742     return installed_;
2743 }
2744
2745 - (BOOL) uninstalled {
2746     return installed_.empty();
2747 }
2748
2749 - (BOOL) upgradableAndEssential:(BOOL)essential {
2750     _profile(Package$upgradableAndEssential)
2751         pkgCache::VerIterator current(iterator_.CurrentVer());
2752         if (current.end())
2753             return essential && essential_;
2754         else
2755             return version_ != current;
2756     _end
2757 }
2758
2759 - (BOOL) essential {
2760     return essential_;
2761 }
2762
2763 - (BOOL) broken {
2764     return [database_ cache][iterator_].InstBroken();
2765 }
2766
2767 - (BOOL) unfiltered {
2768     _profile(Package$unfiltered$obsolete)
2769         if (_unlikely(obsolete_))
2770             return false;
2771     _end
2772
2773     _profile(Package$unfiltered$role)
2774         if (_unlikely(role_ > 3))
2775             return false;
2776     _end
2777
2778     return true;
2779 }
2780
2781 - (BOOL) visible {
2782     if (![self unfiltered])
2783         return false;
2784
2785     NSString *section;
2786
2787     _profile(Package$visible$section)
2788         section = [self section];
2789     _end
2790
2791     _profile(Package$visible$isSectionVisible)
2792         if (!isSectionVisible(section))
2793             return false;
2794     _end
2795
2796     return true;
2797 }
2798
2799 - (BOOL) half {
2800     unsigned char current(iterator_->CurrentState);
2801     return current == pkgCache::State::HalfConfigured || current == pkgCache::State::HalfInstalled;
2802 }
2803
2804 - (BOOL) halfConfigured {
2805     return iterator_->CurrentState == pkgCache::State::HalfConfigured;
2806 }
2807
2808 - (BOOL) halfInstalled {
2809     return iterator_->CurrentState == pkgCache::State::HalfInstalled;
2810 }
2811
2812 - (BOOL) hasMode {
2813 @synchronized (database_) {
2814     if ([database_ era] != era_ || iterator_.end())
2815         return NO;
2816
2817     pkgDepCache::StateCache &state([database_ cache][iterator_]);
2818     return state.Mode != pkgDepCache::ModeKeep;
2819 } }
2820
2821 - (NSString *) mode {
2822 @synchronized (database_) {
2823     if ([database_ era] != era_ || iterator_.end())
2824         return nil;
2825
2826     pkgDepCache::StateCache &state([database_ cache][iterator_]);
2827
2828     switch (state.Mode) {
2829         case pkgDepCache::ModeDelete:
2830             if ((state.iFlags & pkgDepCache::Purge) != 0)
2831                 return @"PURGE";
2832             else
2833                 return @"REMOVE";
2834         case pkgDepCache::ModeKeep:
2835             if ((state.iFlags & pkgDepCache::ReInstall) != 0)
2836                 return @"REINSTALL";
2837             /*else if ((state.iFlags & pkgDepCache::AutoKept) != 0)
2838                 return nil;*/
2839             else
2840                 return nil;
2841         case pkgDepCache::ModeInstall:
2842             /*if ((state.iFlags & pkgDepCache::ReInstall) != 0)
2843                 return @"REINSTALL";
2844             else*/ switch (state.Status) {
2845                 case -1:
2846                     return @"DOWNGRADE";
2847                 case 0:
2848                     return @"INSTALL";
2849                 case 1:
2850                     return @"UPGRADE";
2851                 case 2:
2852                     return @"NEW_INSTALL";
2853                 _nodefault
2854             }
2855         _nodefault
2856     }
2857 } }
2858
2859 - (NSString *) id {
2860     return id_;
2861 }
2862
2863 - (NSString *) name {
2864     return name_.empty() ? id_ : name_;
2865 }
2866
2867 - (UIImage *) icon {
2868     NSString *section = [self simpleSection];
2869
2870     UIImage *icon(nil);
2871     if (parsed_ != NULL)
2872         if (NSString *href = parsed_->icon_)
2873             if ([href hasPrefix:@"file:///"])
2874                 icon = [UIImage imageAtPath:[[href substringFromIndex:7] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
2875     if (icon == nil) if (section != nil)
2876         icon = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, [section stringByReplacingOccurrencesOfString:@" " withString:@"_"]]];
2877     if (icon == nil) if (Source *source = [self source]) if (NSString *dicon = [source defaultIcon])
2878         if ([dicon hasPrefix:@"file:///"])
2879             icon = [UIImage imageAtPath:[[dicon substringFromIndex:7] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
2880     if (icon == nil)
2881         icon = [UIImage imageNamed:@"unknown.png"];
2882     return icon;
2883 }
2884
2885 - (NSString *) homepage {
2886     return parsed_ == NULL ? nil : static_cast<NSString *>(parsed_->homepage_);
2887 }
2888
2889 - (NSString *) depiction {
2890     return parsed_ != NULL && !parsed_->depiction_.empty() ? parsed_->depiction_ : [[self source] depictionForPackage:id_];
2891 }
2892
2893 - (MIMEAddress *) author {
2894     return parsed_ == NULL || parsed_->author_.empty() ? nil : [MIMEAddress addressWithString:parsed_->author_];
2895 }
2896
2897 - (NSString *) support {
2898     return parsed_ != NULL && !parsed_->support_.empty() ? parsed_->support_ : [[self source] supportForPackage:id_];
2899 }
2900
2901 - (NSArray *) files {
2902     NSString *path = [NSString stringWithFormat:@"/var/lib/dpkg/info/%@.list", static_cast<NSString *>(id_)];
2903     NSMutableArray *files = [NSMutableArray arrayWithCapacity:128];
2904
2905     std::ifstream fin;
2906     fin.open([path UTF8String]);
2907     if (!fin.is_open())
2908         return nil;
2909
2910     std::string line;
2911     while (std::getline(fin, line))
2912         [files addObject:[NSString stringWithUTF8String:line.c_str()]];
2913
2914     return files;
2915 }
2916
2917 - (NSString *) state {
2918 @synchronized (database_) {
2919     if ([database_ era] != era_ || file_.end())
2920         return nil;
2921
2922     switch (iterator_->CurrentState) {
2923         case pkgCache::State::NotInstalled:
2924             return @"NotInstalled";
2925         case pkgCache::State::UnPacked:
2926             return @"UnPacked";
2927         case pkgCache::State::HalfConfigured:
2928             return @"HalfConfigured";
2929         case pkgCache::State::HalfInstalled:
2930             return @"HalfInstalled";
2931         case pkgCache::State::ConfigFiles:
2932             return @"ConfigFiles";
2933         case pkgCache::State::Installed:
2934             return @"Installed";
2935         case pkgCache::State::TriggersAwaited:
2936             return @"TriggersAwaited";
2937         case pkgCache::State::TriggersPending:
2938             return @"TriggersPending";
2939     }
2940
2941     return (NSString *) [NSNull null];
2942 } }
2943
2944 - (NSString *) selection {
2945 @synchronized (database_) {
2946     if ([database_ era] != era_ || file_.end())
2947         return nil;
2948
2949     switch (iterator_->SelectedState) {
2950         case pkgCache::State::Unknown:
2951             return @"Unknown";
2952         case pkgCache::State::Install:
2953             return @"Install";
2954         case pkgCache::State::Hold:
2955             return @"Hold";
2956         case pkgCache::State::DeInstall:
2957             return @"DeInstall";
2958         case pkgCache::State::Purge:
2959             return @"Purge";
2960     }
2961
2962     return (NSString *) [NSNull null];
2963 } }
2964
2965 - (NSArray *) warnings {
2966 @synchronized (database_) {
2967     if ([database_ era] != era_ || file_.end())
2968         return nil;
2969
2970     NSMutableArray *warnings([NSMutableArray arrayWithCapacity:4]);
2971     const char *name(iterator_.Name());
2972
2973     size_t length(strlen(name));
2974     if (length < 2) invalid:
2975         [warnings addObject:UCLocalize("ILLEGAL_PACKAGE_IDENTIFIER")];
2976     else for (size_t i(0); i != length; ++i)
2977         if (
2978             /* XXX: technically this is not allowed */
2979             (name[i] < 'A' || name[i] > 'Z') &&
2980             (name[i] < 'a' || name[i] > 'z') &&
2981             (name[i] < '0' || name[i] > '9') &&
2982             (i == 0 || name[i] != '+' && name[i] != '-' && name[i] != '.')
2983         ) goto invalid;
2984
2985     if (strcmp(name, "cydia") != 0) {
2986         bool cydia = false;
2987         bool user = false;
2988         bool _private = false;
2989         bool stash = false;
2990         bool dbstash = false;
2991         bool dsstore = false;
2992
2993         bool repository = [[self section] isEqualToString:@"Repositories"];
2994
2995         if (NSArray *files = [self files])
2996             for (NSString *file in files)
2997                 if (!cydia && [file isEqualToString:@"/Applications/Cydia.app"])
2998                     cydia = true;
2999                 else if (!user && [file isEqualToString:@"/User"])
3000                     user = true;
3001                 else if (!_private && [file isEqualToString:@"/private"])
3002                     _private = true;
3003                 else if (!stash && [file isEqualToString:@"/var/stash"])
3004                     stash = true;
3005                 else if (!dbstash && [file isEqualToString:@"/var/db/stash"])
3006                     dbstash = true;
3007                 else if (!dsstore && [file hasSuffix:@"/.DS_Store"])
3008                     dsstore = true;
3009
3010         /* XXX: this is not sensitive enough. only some folders are valid. */
3011         if (cydia && !repository)
3012             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"Cydia.app"]];
3013         if (user)
3014             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/User"]];
3015         if (_private)
3016             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/private"]];
3017         if (stash)
3018             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/var/stash"]];
3019         if (dbstash)
3020             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/var/db/stash"]];
3021         if (dsstore)
3022             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @".DS_Store"]];
3023     }
3024
3025     return [warnings count] == 0 ? nil : warnings;
3026 } }
3027
3028 - (NSArray *) applications {
3029     NSString *me([[NSBundle mainBundle] bundleIdentifier]);
3030
3031     NSMutableArray *applications([NSMutableArray arrayWithCapacity:2]);
3032
3033     static RegEx application_r("/Applications/(.*)\\.app/Info.plist");
3034     if (NSArray *files = [self files])
3035         for (NSString *file in files)
3036             if (application_r(file)) {
3037                 NSDictionary *info([NSDictionary dictionaryWithContentsOfFile:file]);
3038                 if (info == nil)
3039                     continue;
3040                 NSString *id([info objectForKey:@"CFBundleIdentifier"]);
3041                 if (id == nil || [id isEqualToString:me])
3042                     continue;
3043
3044                 NSString *display([info objectForKey:@"CFBundleDisplayName"]);
3045                 if (display == nil)
3046                     display = application_r[1];
3047
3048                 NSString *bundle([file stringByDeletingLastPathComponent]);
3049                 NSString *icon([info objectForKey:@"CFBundleIconFile"]);
3050                 // XXX: maybe this should check if this is really a string, not just for length
3051                 if (icon == nil || ![icon respondsToSelector:@selector(length)] || [icon length] == 0)
3052                     icon = @"icon.png";
3053                 NSURL *url([NSURL fileURLWithPath:[bundle stringByAppendingPathComponent:icon]]);
3054
3055                 NSMutableArray *application([NSMutableArray arrayWithCapacity:2]);
3056                 [applications addObject:application];
3057
3058                 [application addObject:id];
3059                 [application addObject:display];
3060                 [application addObject:url];
3061             }
3062
3063     return [applications count] == 0 ? nil : applications;
3064 }
3065
3066 - (Source *) source {
3067     if (source_ == nil) {
3068         @synchronized (database_) {
3069             if ([database_ era] != era_ || file_.end())
3070                 source_ = (Source *) [NSNull null];
3071             else
3072                 source_ = [database_ getSource:file_.File()] ?: (Source *) [NSNull null];
3073         }
3074     }
3075
3076     return source_ == (Source *) [NSNull null] ? nil : source_;
3077 }
3078
3079 - (time_t) upgraded {
3080     return upgraded_;
3081 }
3082
3083 - (uint32_t) recent {
3084     return std::numeric_limits<uint32_t>::max() - upgraded_;
3085 }
3086
3087 - (uint32_t) rank {
3088     return rank_;
3089 }
3090
3091 - (BOOL) matches:(NSArray *)query {
3092     if (query == nil || [query count] == 0)
3093         return NO;
3094
3095     rank_ = 0;
3096
3097     NSString *string;
3098     NSRange range;
3099     NSUInteger length;
3100
3101     string = [self name];
3102     length = [string length];
3103
3104     if (length != 0)
3105     for (NSString *term in query) {
3106         range = [string rangeOfString:term options:MatchCompareOptions_];
3107         if (range.location != NSNotFound)
3108             rank_ -= 6 * 1000000 / length;
3109     }
3110
3111     if (rank_ == 0) {
3112         string = [self id];
3113         length = [string length];
3114
3115         if (length != 0)
3116         for (NSString *term in query) {
3117             range = [string rangeOfString:term options:MatchCompareOptions_];
3118             if (range.location != NSNotFound)
3119                 rank_ -= 6 * 1000000 / length;
3120         }
3121     }
3122
3123     string = [self shortDescription];
3124     length = [string length];
3125     NSUInteger stop(std::min<NSUInteger>(length, 200));
3126
3127     if (length != 0)
3128     for (NSString *term in query) {
3129         range = [string rangeOfString:term options:MatchCompareOptions_ range:NSMakeRange(0, stop)];
3130         if (range.location != NSNotFound)
3131             rank_ -= 2 * 100000;
3132     }
3133
3134     return rank_ != 0;
3135 }
3136
3137 - (NSArray *) tags {
3138     return tags_;
3139 }
3140
3141 - (BOOL) hasTag:(NSString *)tag {
3142     return tags_ == nil ? NO : [tags_ containsObject:tag];
3143 }
3144
3145 - (NSString *) primaryPurpose {
3146     for (NSString *tag in (NSArray *) tags_)
3147         if ([tag hasPrefix:@"purpose::"])
3148             return [tag substringFromIndex:9];
3149     return nil;
3150 }
3151
3152 - (NSArray *) purposes {
3153     NSMutableArray *purposes([NSMutableArray arrayWithCapacity:2]);
3154     for (NSString *tag in (NSArray *) tags_)
3155         if ([tag hasPrefix:@"purpose::"])
3156             [purposes addObject:[tag substringFromIndex:9]];
3157     return [purposes count] == 0 ? nil : purposes;
3158 }
3159
3160 - (bool) isCommercial {
3161     return [self hasTag:@"cydia::commercial"];
3162 }
3163
3164 - (void) setIndex:(size_t)index {
3165     if (metadata_->index_ != index + 1)
3166         metadata_->index_ = index + 1;
3167 }
3168
3169 - (CYString &) cyname {
3170     return !transform_.empty() ? transform_ : !name_.empty() ? name_ : id_;
3171 }
3172
3173 - (uint32_t) compareBySection:(NSArray *)sections {
3174     NSString *section([self section]);
3175     for (size_t i(0), e([sections count]); i != e; ++i) {
3176         if ([section isEqualToString:[[sections objectAtIndex:i] name]])
3177             return i;
3178     }
3179
3180     return _not(uint32_t);
3181 }
3182
3183 - (void) clear {
3184 @synchronized (database_) {
3185     if ([database_ era] != era_ || file_.end())
3186         return;
3187
3188     pkgProblemResolver *resolver = [database_ resolver];
3189     resolver->Clear(iterator_);
3190
3191     pkgCacheFile &cache([database_ cache]);
3192     cache->SetReInstall(iterator_, false);
3193     cache->MarkKeep(iterator_, false);
3194 } }
3195
3196 - (void) install {
3197 @synchronized (database_) {
3198     if ([database_ era] != era_ || file_.end())
3199         return;
3200
3201     pkgProblemResolver *resolver = [database_ resolver];
3202     resolver->Clear(iterator_);
3203     resolver->Protect(iterator_);
3204
3205     pkgCacheFile &cache([database_ cache]);
3206     cache->SetCandidateVersion(version_);
3207     cache->SetReInstall(iterator_, false);
3208     cache->MarkInstall(iterator_, false);
3209
3210     pkgDepCache::StateCache &state((*cache)[iterator_]);
3211     if (!state.Install())
3212         cache->SetReInstall(iterator_, true);
3213 } }
3214
3215 - (void) remove {
3216 @synchronized (database_) {
3217     if ([database_ era] != era_ || file_.end())
3218         return;
3219
3220     pkgProblemResolver *resolver = [database_ resolver];
3221     resolver->Clear(iterator_);
3222     resolver->Remove(iterator_);
3223     resolver->Protect(iterator_);
3224
3225     pkgCacheFile &cache([database_ cache]);
3226     cache->SetReInstall(iterator_, false);
3227     cache->MarkDelete(iterator_, true);
3228 } }
3229
3230 @end
3231 /* }}} */
3232 /* Section Class {{{ */
3233 @interface Section : NSObject {
3234     _H<NSString> name_;
3235     size_t row_;
3236     size_t count_;
3237     _H<NSString> localized_;
3238 }
3239
3240 - (NSComparisonResult) compareByLocalized:(Section *)section;
3241 - (Section *) initWithName:(NSString *)name localized:(NSString *)localized;
3242 - (Section *) initWithName:(NSString *)name localize:(BOOL)localize;
3243 - (Section *) initWithName:(NSString *)name row:(size_t)row localize:(BOOL)localize;
3244
3245 - (NSString *) name;
3246 - (void) setName:(NSString *)name;
3247
3248 - (size_t) row;
3249 - (size_t) count;
3250
3251 - (void) addToRow;
3252 - (void) addToCount;
3253
3254 - (void) setCount:(size_t)count;
3255 - (NSString *) localized;
3256
3257 @end
3258
3259 @implementation Section
3260
3261 - (NSComparisonResult) compareByLocalized:(Section *)section {
3262     NSString *lhs(localized_);
3263     NSString *rhs([section localized]);
3264
3265     /*if ([lhs length] != 0 && [rhs length] != 0) {
3266         unichar lhc = [lhs characterAtIndex:0];
3267         unichar rhc = [rhs characterAtIndex:0];
3268
3269         if (isalpha(lhc) && !isalpha(rhc))
3270             return NSOrderedAscending;
3271         else if (!isalpha(lhc) && isalpha(rhc))
3272             return NSOrderedDescending;
3273     }*/
3274
3275     return [lhs compare:rhs options:LaxCompareOptions_];
3276 }
3277
3278 - (Section *) initWithName:(NSString *)name localized:(NSString *)localized {
3279     if ((self = [self initWithName:name localize:NO]) != nil) {
3280         if (localized != nil)
3281             localized_ = localized;
3282     } return self;
3283 }
3284
3285 - (Section *) initWithName:(NSString *)name localize:(BOOL)localize {
3286     return [self initWithName:name row:0 localize:localize];
3287 }
3288
3289 - (Section *) initWithName:(NSString *)name row:(size_t)row localize:(BOOL)localize {
3290     if ((self = [super init]) != nil) {
3291         name_ = name;
3292         row_ = row;
3293         if (localize)
3294             localized_ = LocalizeSection(name_);
3295     } return self;
3296 }
3297
3298 - (NSString *) name {
3299     return name_;
3300 }
3301
3302 - (void) setName:(NSString *)name {
3303     name_ = name;
3304 }
3305
3306 - (size_t) row {
3307     return row_;
3308 }
3309
3310 - (size_t) count {
3311     return count_;
3312 }
3313
3314 - (void) addToRow {
3315     ++row_;
3316 }
3317
3318 - (void) addToCount {
3319     ++count_;
3320 }
3321
3322 - (void) setCount:(size_t)count {
3323     count_ = count;
3324 }
3325
3326 - (NSString *) localized {
3327     return localized_;
3328 }
3329
3330 @end
3331 /* }}} */
3332
3333 class CydiaLogCleaner :
3334     public pkgArchiveCleaner
3335 {
3336   protected:
3337     virtual void Erase(const char *File, std::string Pkg, std::string Ver, struct stat &St) {
3338         unlink(File);
3339     }
3340 };
3341
3342 /* Database Implementation {{{ */
3343 @implementation Database
3344
3345 + (Database *) sharedInstance {
3346     static _H<Database> instance;
3347     if (instance == nil)
3348         instance = [[[Database alloc] init] autorelease];
3349     return instance;
3350 }
3351
3352 - (unsigned) era {
3353     return era_;
3354 }
3355
3356 - (void) releasePackages {
3357     packages_ = nil;
3358 }
3359
3360 - (bool) hasPackages {
3361     return [packages_ count] != 0;
3362 }
3363
3364 - (void) dealloc {
3365     // XXX: actually implement this thing
3366     _assert(false);
3367     [self releasePackages];
3368     NSRecycleZone(zone_);
3369     [super dealloc];
3370 }
3371
3372 - (void) _readCydia:(NSNumber *)fd {
3373     boost::fdistream is([fd intValue]);
3374     std::string line;
3375
3376     static RegEx finish_r("finish:([^:]*)");
3377
3378     while (std::getline(is, line)) {
3379         NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
3380
3381         const char *data(line.c_str());
3382         size_t size = line.size();
3383         lprintf("C:%s\n", data);
3384
3385         if (finish_r(data, size)) {
3386             NSString *finish = finish_r[1];
3387             int index = [Finishes_ indexOfObject:finish];
3388             if (index != INT_MAX && index > Finish_)
3389                 Finish_ = index;
3390         }
3391
3392         [pool release];
3393     }
3394
3395     _assume(false);
3396 }
3397
3398 - (void) _readStatus:(NSNumber *)fd {
3399     boost::fdistream is([fd intValue]);
3400     std::string line;
3401
3402     static RegEx conffile_r("status: [^ ]* : conffile-prompt : (.*?) *");
3403     static RegEx pmstatus_r("([^:]*):([^:]*):([^:]*):(.*)");
3404
3405     while (std::getline(is, line)) {
3406         NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
3407
3408         const char *data(line.c_str());
3409         size_t size(line.size());
3410         lprintf("S:%s\n", data);
3411
3412         if (conffile_r(data, size)) {
3413             // status: /fail : conffile-prompt : '/fail' '/fail.dpkg-new' 1 1
3414             [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:conffile_r[1] waitUntilDone:YES];
3415         } else if (strncmp(data, "status: ", 8) == 0) {
3416             // status: <package>: {unpacked,half-configured,installed}
3417             CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:(data + 8)] ofType:kCydiaProgressEventTypeStatus]);
3418             [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3419         } else if (strncmp(data, "processing: ", 12) == 0) {
3420             // processing: configure: config-test
3421             CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:(data + 12)] ofType:kCydiaProgressEventTypeStatus]);
3422             [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3423         } else if (pmstatus_r(data, size)) {
3424             std::string type([pmstatus_r[1] UTF8String]);
3425
3426             NSString *package = pmstatus_r[2];
3427             if ([package isEqualToString:@"dpkg-exec"])
3428                 package = nil;
3429
3430             float percent([pmstatus_r[3] floatValue]);
3431             [progress_ performSelectorOnMainThread:@selector(setProgressPercent:) withObject:[NSNumber numberWithFloat:(percent / 100)] waitUntilDone:YES];
3432
3433             NSString *string = pmstatus_r[4];
3434
3435             if (type == "pmerror") {
3436                 CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:kCydiaProgressEventTypeError forPackage:package]);
3437                 [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3438             } else if (type == "pmstatus") {
3439                 CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:kCydiaProgressEventTypeStatus forPackage:package]);
3440                 [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3441             } else if (type == "pmconffile")
3442                 [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:string waitUntilDone:YES];
3443             else
3444                 lprintf("E:unknown pmstatus\n");
3445         } else
3446             lprintf("E:unknown status\n");
3447
3448         [pool release];
3449     }
3450
3451     _assume(false);
3452 }
3453
3454 - (void) _readOutput:(NSNumber *)fd {
3455     boost::fdistream is([fd intValue]);
3456     std::string line;
3457
3458     while (std::getline(is, line)) {
3459         NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
3460
3461         lprintf("O:%s\n", line.c_str());
3462
3463         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:line.c_str()] ofType:kCydiaProgressEventTypeInformation]);
3464         [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3465
3466         [pool release];
3467     }
3468
3469     _assume(false);
3470 }
3471
3472 - (FILE *) input {
3473     return input_;
3474 }
3475
3476 - (Package *) packageWithName:(NSString *)name {
3477     if (name == nil)
3478         return nil;
3479 @synchronized (self) {
3480     if (static_cast<pkgDepCache *>(cache_) == NULL)
3481         return nil;
3482     pkgCache::PkgIterator iterator(cache_->FindPkg([name UTF8String]
3483 #ifdef __arm64__
3484         , "any"
3485 #endif
3486     ));
3487     return iterator.end() ? nil : [[Package newPackageWithIterator:iterator withZone:NULL inPool:NULL database:self] autorelease];
3488 } }
3489
3490 - (id) init {
3491     if ((self = [super init]) != nil) {
3492         policy_ = NULL;
3493         records_ = NULL;
3494         resolver_ = NULL;
3495         fetcher_ = NULL;
3496         lock_ = NULL;
3497
3498         zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
3499
3500         sourceList_ = [NSMutableArray arrayWithCapacity:16];
3501
3502         int fds[2];
3503
3504         _assert(pipe(fds) != -1);
3505         cydiafd_ = fds[1];
3506
3507         _config->Set("APT::Keep-Fds::", cydiafd_);
3508         setenv("CYDIA", [[[[NSNumber numberWithInt:cydiafd_] stringValue] stringByAppendingString:@" 1"] UTF8String], _not(int));
3509
3510         [NSThread
3511             detachNewThreadSelector:@selector(_readCydia:)
3512             toTarget:self
3513             withObject:[NSNumber numberWithInt:fds[0]]
3514         ];
3515
3516         _assert(pipe(fds) != -1);
3517         statusfd_ = fds[1];
3518
3519         [NSThread
3520             detachNewThreadSelector:@selector(_readStatus:)
3521             toTarget:self
3522             withObject:[NSNumber numberWithInt:fds[0]]
3523         ];
3524
3525         _assert(pipe(fds) != -1);
3526         _assert(dup2(fds[0], 0) != -1);
3527         _assert(close(fds[0]) != -1);
3528
3529         input_ = fdopen(fds[1], "a");
3530
3531         _assert(pipe(fds) != -1);
3532         _assert(dup2(fds[1], 1) != -1);
3533         _assert(close(fds[1]) != -1);
3534
3535         [NSThread
3536             detachNewThreadSelector:@selector(_readOutput:)
3537             toTarget:self
3538             withObject:[NSNumber numberWithInt:fds[0]]
3539         ];
3540     } return self;
3541 }
3542
3543 - (pkgCacheFile &) cache {
3544     return cache_;
3545 }
3546
3547 - (pkgDepCache::Policy *) policy {
3548     return policy_;
3549 }
3550
3551 - (pkgRecords *) records {
3552     return records_;
3553 }
3554
3555 - (pkgProblemResolver *) resolver {
3556     return resolver_;
3557 }
3558
3559 - (pkgAcquire &) fetcher {
3560     return *fetcher_;
3561 }
3562
3563 - (pkgSourceList &) list {
3564     return *list_;
3565 }
3566
3567 - (NSArray *) packages {
3568     return packages_;
3569 }
3570
3571 - (NSArray *) sources {
3572     return sourceList_;
3573 }
3574
3575 - (Source *) sourceWithKey:(NSString *)key {
3576     for (Source *source in [self sources]) {
3577         if ([[source key] isEqualToString:key])
3578             return source;
3579     } return nil;
3580 }
3581
3582 - (bool) popErrorWithTitle:(NSString *)title {
3583     bool fatal(false);
3584
3585     while (!_error->empty()) {
3586         std::string error;
3587         bool warning(!_error->PopMessage(error));
3588         if (!warning)
3589             fatal = true;
3590
3591         for (;;) {
3592             size_t size(error.size());
3593             if (size == 0 || error[size - 1] != '\n')
3594                 break;
3595             error.resize(size - 1);
3596         }
3597
3598         lprintf("%c:[%s]\n", warning ? 'W' : 'E', error.c_str());
3599
3600         static RegEx no_pubkey("GPG error:.* NO_PUBKEY .*");
3601         if (warning && no_pubkey(error.c_str()))
3602             continue;
3603
3604         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? kCydiaProgressEventTypeWarning : kCydiaProgressEventTypeError)] forTask:title];
3605     }
3606
3607     return fatal;
3608 }
3609
3610 - (bool) popErrorWithTitle:(NSString *)title forOperation:(bool)success {
3611     return [self popErrorWithTitle:title] || !success;
3612 }
3613
3614 - (bool) popErrorWithTitle:(NSString *)title forReadList:(pkgSourceList &)list {
3615     if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3616         return true;
3617     return false;
3618
3619     list.Reset();
3620
3621     bool error(false);
3622
3623     if (access("/etc/apt/sources.list", F_OK) == 0)
3624         error |= [self popErrorWithTitle:title forOperation:list.ReadAppend("/etc/apt/sources.list")];
3625
3626     std::string base("/etc/apt/sources.list.d");
3627     if (DIR *sources = opendir(base.c_str())) {
3628         while (dirent *source = readdir(sources))
3629             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)
3630                 error |= [self popErrorWithTitle:title forOperation:list.ReadAppend((base + "/" + source->d_name).c_str())];
3631         closedir(sources);
3632     }
3633
3634     error |= [self popErrorWithTitle:title forOperation:list.ReadAppend(SOURCES_LIST)];
3635
3636     return error;
3637 }
3638
3639 - (void) reloadDataWithInvocation:(NSInvocation *)invocation {
3640 @synchronized (self) {
3641     ++era_;
3642
3643     [self releasePackages];
3644
3645     sourceMap_.clear();
3646     [sourceList_ removeAllObjects];
3647
3648     _error->Discard();
3649
3650     delete list_;
3651     list_ = NULL;
3652     manager_ = NULL;
3653     delete lock_;
3654     lock_ = NULL;
3655     delete fetcher_;
3656     fetcher_ = NULL;
3657     delete resolver_;
3658     resolver_ = NULL;
3659     delete records_;
3660     records_ = NULL;
3661     delete policy_;
3662     policy_ = NULL;
3663
3664     cache_.Close();
3665
3666     pool_.~CYPool();
3667     new (&pool_) CYPool();
3668
3669     NSRecycleZone(zone_);
3670     zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
3671
3672     int chk(creat("/tmp/cydia.chk", 0644));
3673     if (chk != -1)
3674         close(chk);
3675
3676     if (invocation != nil)
3677         [invocation invoke];
3678
3679     NSString *title(UCLocalize("DATABASE"));
3680
3681     list_ = new pkgSourceList();
3682     _profile(reloadDataWithInvocation$ReadMainList)
3683     if ([self popErrorWithTitle:title forReadList:*list_])
3684         return;
3685     _end
3686
3687     _profile(reloadDataWithInvocation$Source$initWithMetaIndex)
3688     for (pkgSourceList::const_iterator source = list_->begin(); source != list_->end(); ++source) {
3689         Source *object([[[Source alloc] initWithMetaIndex:*source forDatabase:self inPool:&pool_] autorelease]);
3690         [sourceList_ addObject:object];
3691     }
3692     _end
3693
3694     _trace();
3695     OpProgress progress;
3696     bool opened;
3697   open:
3698     delock_ = GetStatusDate();
3699     _profile(reloadDataWithInvocation$pkgCacheFile)
3700         opened = cache_.Open(progress, false);
3701     _end
3702     if (!opened) {
3703         // XXX: this block should probably be merged with popError: in some way
3704         while (!_error->empty()) {
3705             std::string error;
3706             bool warning(!_error->PopMessage(error));
3707
3708             lprintf("cache_.Open():[%s]\n", error.c_str());
3709
3710             [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? kCydiaProgressEventTypeWarning : kCydiaProgressEventTypeError)] forTask:title];
3711
3712             SEL repair(NULL);
3713             if (false);
3714             else if (error == "dpkg was interrupted, you must manually run 'dpkg --configure -a' to correct the problem. ")
3715                 repair = @selector(configure);
3716             //else if (error == "The package lists or status file could not be parsed or opened.")
3717             //    repair = @selector(update);
3718             // else if (error == "Could not get lock /var/lib/dpkg/lock - open (35 Resource temporarily unavailable)")
3719             // else if (error == "Could not open lock file /var/lib/dpkg/lock - open (13 Permission denied)")
3720             // else if (error == "Malformed Status line")
3721             // else if (error == "The list of sources could not be read.")
3722
3723             if (repair != NULL) {
3724                 _error->Discard();
3725                 [delegate_ repairWithSelector:repair];
3726                 goto open;
3727             }
3728         }
3729
3730         return;
3731     } else if ([self popErrorWithTitle:title forOperation:true])
3732         return;
3733     _trace();
3734
3735     unlink("/tmp/cydia.chk");
3736
3737     now_ = [[NSDate date] timeIntervalSince1970];
3738
3739     policy_ = new pkgDepCache::Policy();
3740     records_ = new pkgRecords(cache_);
3741     resolver_ = new pkgProblemResolver(cache_);
3742     fetcher_ = new pkgAcquire(&status_);
3743     lock_ = NULL;
3744
3745     if (cache_->DelCount() != 0 || cache_->InstCount() != 0) {
3746         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("COUNTS_NONZERO_EX") ofType:kCydiaProgressEventTypeError] forTask:title];
3747         return;
3748     }
3749
3750     _profile(reloadDataWithInvocation$pkgApplyStatus)
3751     if ([self popErrorWithTitle:title forOperation:pkgApplyStatus(cache_)])
3752         return;
3753     _end
3754
3755     if (cache_->BrokenCount() != 0) {
3756         _profile(pkgApplyStatus$pkgFixBroken)
3757         if ([self popErrorWithTitle:title forOperation:pkgFixBroken(cache_)])
3758             return;
3759         _end
3760
3761         if (cache_->BrokenCount() != 0) {
3762             [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("STILL_BROKEN_EX") ofType:kCydiaProgressEventTypeError] forTask:title];
3763             return;
3764         }
3765
3766         _profile(pkgApplyStatus$pkgMinimizeUpgrade)
3767         if ([self popErrorWithTitle:title forOperation:pkgMinimizeUpgrade(cache_)])
3768             return;
3769         _end
3770     }
3771
3772     for (Source *object in (id) sourceList_) {
3773         metaIndex *source([object metaIndex]);
3774         std::vector<pkgIndexFile *> *indices = source->GetIndexFiles();
3775         for (std::vector<pkgIndexFile *>::const_iterator index = indices->begin(); index != indices->end(); ++index)
3776             // XXX: this could be more intelligent
3777             if (dynamic_cast<debPackagesIndex *>(*index) != NULL) {
3778                 pkgCache::PkgFileIterator cached((*index)->FindInCache(cache_));
3779                 if (!cached.end())
3780                     sourceMap_[cached->ID] = object;
3781             }
3782     }
3783
3784     {
3785         size_t capacity(MetaFile_->active_);
3786         if (capacity == 0)
3787             capacity = 128*1024;
3788         else
3789             capacity += 1024;
3790
3791         std::vector<Package *> packages;
3792         packages.reserve(capacity);
3793         size_t lost(0);
3794
3795         size_t last(0);
3796         _profile(reloadDataWithInvocation$packageWithIterator)
3797         for (pkgCache::PkgIterator iterator = cache_->PkgBegin(); !iterator.end(); ++iterator)
3798             if (Package *package = [Package newPackageWithIterator:iterator withZone:zone_ inPool:&pool_ database:self]) {
3799                 if (unsigned index = package.metadata->index_) {
3800                     --index;
3801                     if (packages.size() == index) {
3802                         packages.push_back(package);
3803                     } else if (packages.size() <= index) {
3804                         packages.resize(index + 1, nil);
3805                         packages[index] = package;
3806                         continue;
3807                     } else {
3808                         std::swap(package, packages[index]);
3809                         if (package != nil) {
3810                             if (package.metadata->index_ == index + 1)
3811                                 ++lost;
3812                             goto lost;
3813                         }
3814                         if (last != index)
3815                             continue;
3816                     }
3817                 } else {
3818                     ++lost;
3819                     lost: if (last == packages.size())
3820                         packages.push_back(package);
3821                     else
3822                         packages[last] = package;
3823                     ++last;
3824                 }
3825
3826                 for (; last != packages.size(); ++last)
3827                     if (packages[last] == nil)
3828                         break;
3829             }
3830         _end
3831
3832         for (size_t next(last + 1); last != packages.size(); ++last, ++next) {
3833             while (true) {
3834                 if (next == packages.size())
3835                     goto done;
3836                 if (packages[next] != nil)
3837                     break;
3838                 ++next;
3839             }
3840
3841             std::swap(packages[last], packages[next]);
3842         } done:;
3843
3844         packages.resize(last);
3845
3846         if (lost > 128) {
3847             NSLog(@"lost = %zu", lost);
3848
3849             _profile(reloadDataWithInvocation$radix$8)
3850             CYRadixSortUsingFunction(packages.data(), packages.size(), reinterpret_cast<MenesRadixSortFunction>(&PackagePrefixRadix), reinterpret_cast<void *>(8));
3851             _end
3852
3853             _profile(reloadDataWithInvocation$radix$4)
3854             CYRadixSortUsingFunction(packages.data(), packages.size(), reinterpret_cast<MenesRadixSortFunction>(&PackagePrefixRadix), reinterpret_cast<void *>(4));
3855             _end
3856
3857             _profile(reloadDataWithInvocation$radix$0)
3858             CYRadixSortUsingFunction(packages.data(), packages.size(), reinterpret_cast<MenesRadixSortFunction>(&PackagePrefixRadix), reinterpret_cast<void *>(0));
3859             _end
3860         }
3861
3862         _profile(reloadDataWithInvocation$insertion)
3863         CYArrayInsertionSortValues(packages.data(), packages.size(), &PackageNameCompare, NULL);
3864         _end
3865
3866         packages_ = [[[NSArray alloc] initWithObjects:packages.data() count:packages.size()] autorelease];
3867
3868         /*_profile(reloadDataWithInvocation$CFQSortArray)
3869         CFQSortArray(&packages.front(), packages.size(), sizeof(packages.front()), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare_), NULL);
3870         _end*/
3871
3872         /*_profile(reloadDataWithInvocation$stdsort)
3873         std::sort(packages.begin(), packages.end(), PackageNameOrdering());
3874         _end*/
3875
3876         /*_profile(reloadDataWithInvocation$CFArraySortValues)
3877         CFArraySortValues((CFMutableArrayRef) packages_, CFRangeMake(0, [packages_ count]), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare), NULL);
3878         _end*/
3879
3880         /*_profile(reloadDataWithInvocation$sortUsingFunction)
3881         [packages_ sortUsingFunction:reinterpret_cast<NSComparisonResult (*)(id, id, void *)>(&PackageNameCompare) context:NULL];
3882         _end*/
3883
3884         MetaFile_->active_ = packages.size();
3885         for (size_t index(0), count(packages.size()); index != count; ++index) {
3886             auto package(packages[index]);
3887             [package setIndex:index];
3888             [package release];
3889         }
3890     }
3891 } }
3892
3893 - (void) clear {
3894 @synchronized (self) {
3895     delete resolver_;
3896     resolver_ = new pkgProblemResolver(cache_);
3897
3898     for (pkgCache::PkgIterator iterator(cache_->PkgBegin()); !iterator.end(); ++iterator)
3899         if (!cache_[iterator].Keep())
3900             cache_->MarkKeep(iterator, false);
3901         else if ((cache_[iterator].iFlags & pkgDepCache::ReInstall) != 0)
3902             cache_->SetReInstall(iterator, false);
3903 } }
3904
3905 - (void) configure {
3906     NSString *dpkg = [NSString stringWithFormat:@"/usr/libexec/cydo --configure -a --status-fd %u", statusfd_];
3907     _trace();
3908     system([dpkg UTF8String]);
3909     _trace();
3910 }
3911
3912 - (bool) clean {
3913 @synchronized (self) {
3914     // XXX: I don't remember this condition
3915     if (lock_ != NULL)
3916         return false;
3917
3918     FileFd Lock;
3919     Lock.Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
3920
3921     NSString *title(UCLocalize("CLEAN_ARCHIVES"));
3922
3923     if ([self popErrorWithTitle:title])
3924         return false;
3925
3926     pkgAcquire fetcher;
3927     fetcher.Clean(_config->FindDir("Dir::Cache::Archives"));
3928
3929     CydiaLogCleaner cleaner;
3930     if ([self popErrorWithTitle:title forOperation:cleaner.Go(_config->FindDir("Dir::Cache::Archives") + "partial/", cache_)])
3931         return false;
3932
3933     return true;
3934 } }
3935
3936 - (bool) prepare {
3937     fetcher_->Shutdown();
3938
3939     pkgRecords records(cache_);
3940
3941     lock_ = new FileFd();
3942     lock_->Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
3943
3944     NSString *title(UCLocalize("PREPARE_ARCHIVES"));
3945
3946     if ([self popErrorWithTitle:title])
3947         return false;
3948
3949     pkgSourceList list;
3950     if ([self popErrorWithTitle:title forReadList:list])
3951         return false;
3952
3953     manager_ = (_system->CreatePM(cache_));
3954     if ([self popErrorWithTitle:title forOperation:manager_->GetArchives(fetcher_, &list, &records)])
3955         return false;
3956
3957     return true;
3958 }
3959
3960 - (void) perform {
3961     bool substrate(RestartSubstrate_);
3962     RestartSubstrate_ = false;
3963
3964     NSString *title(UCLocalize("PERFORM_SELECTIONS"));
3965
3966     NSMutableArray *before = [NSMutableArray arrayWithCapacity:16]; {
3967         pkgSourceList list;
3968         if ([self popErrorWithTitle:title forReadList:list])
3969             return;
3970         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
3971             [before addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
3972     }
3973
3974     [delegate_ performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3975
3976     if (fetcher_->Run(PulseInterval_) != pkgAcquire::Continue) {
3977         _trace();
3978         [self popErrorWithTitle:title];
3979         return;
3980     }
3981
3982     bool failed = false;
3983     for (pkgAcquire::ItemIterator item = fetcher_->ItemsBegin(); item != fetcher_->ItemsEnd(); item++) {
3984         if ((*item)->Status == pkgAcquire::Item::StatDone && (*item)->Complete)
3985             continue;
3986         if ((*item)->Status == pkgAcquire::Item::StatIdle)
3987             continue;
3988
3989         std::string uri = (*item)->DescURI();
3990         std::string error = (*item)->ErrorText;
3991
3992         lprintf("pAf:%s:%s\n", uri.c_str(), error.c_str());
3993         failed = true;
3994
3995         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:kCydiaProgressEventTypeError]);
3996         [delegate_ addProgressEventOnMainThread:event forTask:title];
3997     }
3998
3999     [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
4000
4001     if (failed) {
4002         _trace();
4003         return;
4004     }
4005
4006     if (substrate)
4007         RestartSubstrate_ = true;
4008
4009     if (![delock_ isEqual:GetStatusDate()]) {
4010         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("DPKG_LOCKED") ofType:kCydiaProgressEventTypeError] forTask:title];
4011         return;
4012     }
4013
4014     delock_ = nil;
4015
4016     pkgPackageManager::OrderResult result(manager_->DoInstall(statusfd_));
4017
4018     NSString *oextended(@"/var/lib/apt/extended_states");
4019     NSString *nextended(Cache("extended_states"));
4020
4021     struct stat info;
4022     if (stat([nextended UTF8String], &info) != -1 && (info.st_mode & S_IFMT) == S_IFREG)
4023         system([[NSString stringWithFormat:@"/usr/libexec/cydia/cydo /bin/cp --remove-destination %@ %@", ShellEscape(nextended), ShellEscape(oextended)] UTF8String]);
4024
4025     unlink([nextended UTF8String]);
4026     symlink([oextended UTF8String], [nextended UTF8String]);
4027
4028     if ([self popErrorWithTitle:title])
4029         return;
4030
4031     if (result == pkgPackageManager::Failed) {
4032         _trace();
4033         return;
4034     }
4035
4036     if (result != pkgPackageManager::Completed) {
4037         _trace();
4038         return;
4039     }
4040
4041     NSMutableArray *after = [NSMutableArray arrayWithCapacity:16]; {
4042         pkgSourceList list;
4043         if ([self popErrorWithTitle:title forReadList:list])
4044             return;
4045         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
4046             [after addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
4047     }
4048
4049     if (![before isEqualToArray:after])
4050         [self update];
4051 }
4052
4053 - (bool) delocked {
4054     return ![delock_ isEqual:GetStatusDate()];
4055 }
4056
4057 - (bool) upgrade {
4058     NSString *title(UCLocalize("UPGRADE"));
4059     if ([self popErrorWithTitle:title forOperation:pkgDistUpgrade(cache_)])
4060         return false;
4061     return true;
4062 }
4063
4064 - (void) update {
4065     [self updateWithStatus:status_];
4066 }
4067
4068 - (void) updateWithStatus:(CancelStatus &)status {
4069     NSString *title(UCLocalize("REFRESHING_DATA"));
4070
4071     pkgSourceList list;
4072     if ([self popErrorWithTitle:title forReadList:list])
4073         return;
4074
4075     FileFd lock;
4076     lock.Fd(GetLock(_config->FindDir("Dir::State::Lists") + "lock"));
4077     if ([self popErrorWithTitle:title])
4078         return;
4079
4080     [delegate_ performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
4081
4082     bool success(ListUpdate(status, list, PulseInterval_));
4083     if (status.WasCancelled())
4084         _error->Discard();
4085     else {
4086         [self popErrorWithTitle:title forOperation:success];
4087
4088         [[NSDictionary dictionaryWithObjectsAndKeys:
4089             [NSDate date], @"LastUpdate",
4090         nil] writeToFile:@ CacheState_ atomically:YES];
4091     }
4092
4093     [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
4094 }
4095
4096 - (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate {
4097     delegate_ = delegate;
4098 }
4099
4100 - (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate {
4101     progress_ = delegate;
4102     status_.setDelegate(delegate);
4103 }
4104
4105 - (NSObject<ProgressDelegate> *) progressDelegate {
4106     return progress_;
4107 }
4108
4109 - (Source *) getSource:(pkgCache::PkgFileIterator)file {
4110     SourceMap::const_iterator i(sourceMap_.find(file->ID));
4111     return i == sourceMap_.end() ? nil : i->second;
4112 }
4113
4114 - (void) setFetch:(bool)fetch forURI:(const char *)uri {
4115     for (Source *source in (id) sourceList_)
4116         [source setFetch:fetch forURI:uri];
4117 }
4118
4119 - (void) resetFetch {
4120     for (Source *source in (id) sourceList_)
4121         [source resetFetch];
4122 }
4123
4124 - (NSString *) mappedSectionForPointer:(const char *)section {
4125     _H<NSString> *mapped;
4126
4127     _profile(Database$mappedSectionForPointer$Cache)
4128         mapped = &sections_[section];
4129     _end
4130
4131     if (*mapped == NULL) {
4132         size_t length(strlen(section));
4133         char spaced[length + 1];
4134
4135         _profile(Database$mappedSectionForPointer$Replace)
4136             for (size_t index(0); index != length; ++index)
4137                 spaced[index] = section[index] == '_' ? ' ' : section[index];
4138             spaced[length] = '\0';
4139         _end
4140
4141         NSString *string;
4142
4143         _profile(Database$mappedSectionForPointer$stringWithUTF8String)
4144             string = [NSString stringWithUTF8String:spaced];
4145         _end
4146
4147         _profile(Database$mappedSectionForPointer$Map)
4148             string = [SectionMap_ objectForKey:string] ?: string;
4149         _end
4150
4151         *mapped = string;
4152     } return *mapped;
4153 }
4154
4155 @end
4156 /* }}} */
4157
4158 @interface CydiaObject : CyteObject {
4159     _transient id delegate_;
4160 }
4161
4162 @end
4163
4164 @interface CydiaWebViewController : CyteWebViewController {
4165     _H<CydiaObject> cydia_;
4166 }
4167
4168 + (NSURLRequest *) requestWithHeaders:(NSURLRequest *)request;
4169 + (void) didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame withCydia:(CydiaObject *)cydia;
4170 - (void) setDelegate:(id)delegate;
4171
4172 @end
4173
4174 /* Web Scripting {{{ */
4175 @implementation CydiaObject
4176
4177 - (void) setDelegate:(id)delegate {
4178     delegate_ = delegate;
4179 }
4180
4181 - (NSArray *) attributeKeys {
4182     return [[NSArray arrayWithObjects:
4183         @"cells",
4184         @"device",
4185         @"mcc",
4186         @"mnc",
4187         @"operator",
4188         @"role",
4189         @"version",
4190     nil] arrayByAddingObjectsFromArray:[super attributeKeys]];
4191 }
4192
4193 - (NSString *) version {
4194     return Cydia_;
4195 }
4196
4197 - (NSString *) device {
4198     return UniqueIdentifier();
4199 }
4200
4201 - (NSArray *) cells {
4202     auto *$_CTServerConnectionCreate(reinterpret_cast<id (*)(void *, void *, void *)>(dlsym(RTLD_DEFAULT, "_CTServerConnectionCreate")));
4203     if ($_CTServerConnectionCreate == NULL)
4204         return nil;
4205
4206     struct CTResult { int flag; int error; };
4207     auto *$_CTServerConnectionCellMonitorCopyCellInfo(reinterpret_cast<CTResult (*)(CFTypeRef, void *, CFArrayRef *)>(dlsym(RTLD_DEFAULT, "_CTServerConnectionCellMonitorCopyCellInfo")));
4208     if ($_CTServerConnectionCellMonitorCopyCellInfo == NULL)
4209         return nil;
4210
4211     _H<const void> connection($_CTServerConnectionCreate(NULL, NULL, NULL), true);
4212     if (connection == nil)
4213         return nil;
4214
4215     int count(0);
4216     CFArrayRef cells(NULL);
4217     auto result($_CTServerConnectionCellMonitorCopyCellInfo(connection, &count, &cells));
4218     if (result.flag != 0)
4219         return nil;
4220
4221     return [(NSArray *) cells autorelease];
4222 }
4223
4224 - (NSString *) mcc {
4225     if (CFStringRef (*$CTSIMSupportCopyMobileSubscriberCountryCode)(CFAllocatorRef) = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberCountryCode")))
4226         return [(NSString *) (*$CTSIMSupportCopyMobileSubscriberCountryCode)(kCFAllocatorDefault) autorelease];
4227     return nil;
4228 }
4229
4230 - (NSString *) mnc {
4231     if (CFStringRef (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(CFAllocatorRef) = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberNetworkCode")))
4232         return [(NSString *) (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(kCFAllocatorDefault) autorelease];
4233     return nil;
4234 }
4235
4236 - (NSString *) operator {
4237     if (CFStringRef (*$CTRegistrationCopyOperatorName)(CFAllocatorRef) = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTRegistrationCopyOperatorName")))
4238         return [(NSString *) (*$CTRegistrationCopyOperatorName)(kCFAllocatorDefault) autorelease];
4239     return nil;
4240 }
4241
4242 - (NSString *) role {
4243     return (id) [NSNull null];
4244 }
4245
4246 + (NSString *) webScriptNameForSelector:(SEL)selector {
4247     if (false);
4248     else if (selector == @selector(addBridgedHost:))
4249         return @"addBridgedHost";
4250     else if (selector == @selector(addInsecureHost:))
4251         return @"addInsecureHost";
4252     else if (selector == @selector(addSource:::))
4253         return @"addSource";
4254     else if (selector == @selector(addTrivialSource:))
4255         return @"addTrivialSource";
4256     else if (selector == @selector(du:))
4257         return @"du";
4258     else if (selector == @selector(getAllSources))
4259         return @"getAllSources";
4260     else if (selector == @selector(getApplicationInfo:value:))
4261         return @"getApplicationInfoValue";
4262     else if (selector == @selector(getDisplayIdentifiers))
4263         return @"getDisplayIdentifiers";
4264     else if (selector == @selector(getLocalizedNameForDisplayIdentifier:))
4265         return @"getLocalizedNameForDisplayIdentifier";
4266     else if (selector == @selector(getInstalledPackages))
4267         return @"getInstalledPackages";
4268     else if (selector == @selector(getPackageById:))
4269         return @"getPackageById";
4270     else if (selector == @selector(getMetadataKeys))
4271         return @"getMetadataKeys";
4272     else if (selector == @selector(getMetadataValue:))
4273         return @"getMetadataValue";
4274     else if (selector == @selector(getSessionValue:))
4275         return @"getSessionValue";
4276     else if (selector == @selector(installPackages:))
4277         return @"installPackages";
4278     else if (selector == @selector(refreshSources))
4279         return @"refreshSources";
4280     else if (selector == @selector(saveConfig))
4281         return @"saveConfig";
4282     else if (selector == @selector(setMetadataValue::))
4283         return @"setMetadataValue";
4284     else if (selector == @selector(setSessionValue::))
4285         return @"setSessionValue";
4286     else if (selector == @selector(substitutePackageNames:))
4287         return @"substitutePackageNames";
4288     else if (selector == @selector(setToken:))
4289         return @"setToken";
4290     else
4291         return nil;
4292 }
4293
4294 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
4295     return [self webScriptNameForSelector:selector] == nil;
4296 }
4297
4298 - (NSDictionary *) getApplicationInfo:(NSString *)display value:(NSString *)key {
4299     char path[1024];
4300     if (SBBundlePathForDisplayIdentifier(SBSSpringBoardServerPort(), [display UTF8String], path) != 0)
4301         return (id) [NSNull null];
4302     NSDictionary *info([NSDictionary dictionaryWithContentsOfFile:[[NSString stringWithUTF8String:path] stringByAppendingString:@"/Info.plist"]]);
4303     if (info == nil)
4304         return (id) [NSNull null];
4305     return [info objectForKey:key];
4306 }
4307
4308 - (NSArray *) getDisplayIdentifiers {
4309     return SBSCopyApplicationDisplayIdentifiers(false, false);
4310 }
4311
4312 - (NSString *) getLocalizedNameForDisplayIdentifier:(NSString *)identifier {
4313     return [SBSCopyLocalizedApplicationNameForDisplayIdentifier(identifier) autorelease] ?: (id) [NSNull null];
4314 }
4315
4316 - (NSNumber *) getKernelNumber:(NSString *)name {
4317     const char *string([name UTF8String]);
4318
4319     size_t size;
4320     if (sysctlbyname(string, NULL, &size, NULL, 0) == -1)
4321         return (id) [NSNull null];
4322
4323     if (size != sizeof(int))
4324         return (id) [NSNull null];
4325
4326     int value;
4327     if (sysctlbyname(string, &value, &size, NULL, 0) == -1)
4328         return (id) [NSNull null];
4329
4330     return [NSNumber numberWithInt:value];
4331 }
4332
4333 - (NSArray *) getMetadataKeys {
4334 @synchronized (Values_) {
4335     return [Values_ allKeys];
4336 } }
4337
4338 - (id) getMetadataValue:(NSString *)key {
4339 @synchronized (Values_) {
4340     return [Values_ objectForKey:key];
4341 } }
4342
4343 - (void) setMetadataValue:(NSString *)key :(NSString *)value {
4344 @synchronized (Values_) {
4345     if (value == nil || value == (id) [WebUndefined undefined] || value == (id) [NSNull null])
4346         [Values_ removeObjectForKey:key];
4347     else
4348         [Values_ setObject:value forKey:key];
4349 } }
4350
4351 - (id) getSessionValue:(NSString *)key {
4352 @synchronized (SessionData_) {
4353     return [SessionData_ objectForKey:key];
4354 } }
4355
4356 - (void) setSessionValue:(NSString *)key :(NSString *)value {
4357 @synchronized (SessionData_) {
4358     if (value == (id) [WebUndefined undefined])
4359         [SessionData_ removeObjectForKey:key];
4360     else
4361         [SessionData_ setObject:value forKey:key];
4362 } }
4363
4364 - (void) addBridgedHost:(NSString *)host {
4365 @synchronized (BridgedHosts_) {
4366     [BridgedHosts_ addObject:host];
4367 } }
4368
4369 - (void) addInsecureHost:(NSString *)host {
4370 @synchronized (InsecureHosts_) {
4371     [InsecureHosts_ addObject:host];
4372 } }
4373
4374 - (void) addSource:(NSString *)href :(NSString *)distribution :(WebScriptObject *)sections {
4375     NSMutableArray *array([NSMutableArray arrayWithCapacity:[sections count]]);
4376
4377     for (NSString *section in sections)
4378         [array addObject:section];
4379
4380     [delegate_ performSelectorOnMainThread:@selector(addSource:) withObject:[NSMutableDictionary dictionaryWithObjectsAndKeys:
4381         @"deb", @"Type",
4382         href, @"URI",
4383         distribution, @"Distribution",
4384         array, @"Sections",
4385     nil] waitUntilDone:NO];
4386 }
4387
4388 - (BOOL) addTrivialSource:(NSString *)href {
4389     href = VerifySource(href);
4390     if (href == nil)
4391         return NO;
4392     [delegate_ performSelectorOnMainThread:@selector(addTrivialSource:) withObject:href waitUntilDone:NO];
4393     return YES;
4394 }
4395
4396 - (void) refreshSources {
4397     [delegate_ performSelectorOnMainThread:@selector(syncData) withObject:nil waitUntilDone:NO];
4398 }
4399
4400 - (void) saveConfig {
4401     [delegate_ performSelectorOnMainThread:@selector(_saveConfig) withObject:nil waitUntilDone:NO];
4402 }
4403
4404 - (NSArray *) getAllSources {
4405     return [[Database sharedInstance] sources];
4406 }
4407
4408 - (NSArray *) getInstalledPackages {
4409     Database *database([Database sharedInstance]);
4410 @synchronized (database) {
4411     NSArray *packages([database packages]);
4412     NSMutableArray *installed([NSMutableArray arrayWithCapacity:1024]);
4413     for (Package *package in packages)
4414         if (![package uninstalled])
4415             [installed addObject:package];
4416     return installed;
4417 } }
4418
4419 - (Package *) getPackageById:(NSString *)id {
4420     if (Package *package = [[Database sharedInstance] packageWithName:id]) {
4421         [package parse];
4422         return package;
4423     } else
4424         return (Package *) [NSNull null];
4425 }
4426
4427 - (NSNumber *) du:(NSString *)path {
4428     NSNumber *value(nil);
4429
4430     FILE *du(popen([[NSString stringWithFormat:@"/usr/libexec/cydia/cydo /usr/libexec/cydia/du -ks %@", ShellEscape(path)] UTF8String], "r"));
4431     if (du != NULL) {
4432         char line[1024];
4433         while (fgets(line, sizeof(line), du) != NULL) {
4434             size_t length(strlen(line));
4435             while (length != 0 && line[length - 1] == '\n')
4436                 line[--length] = '\0';
4437             if (char *tab = strchr(line, '\t')) {
4438                 *tab = '\0';
4439                 value = [NSNumber numberWithUnsignedLong:strtoul(line, NULL, 0)];
4440             }
4441         }
4442         pclose(du);
4443     }
4444
4445     return value;
4446 }
4447
4448 - (void) installPackages:(NSArray *)packages {
4449     [delegate_ performSelectorOnMainThread:@selector(installPackages:) withObject:packages waitUntilDone:NO];
4450 }
4451
4452 - (NSString *) substitutePackageNames:(NSString *)message {
4453     auto database([Database sharedInstance]);
4454
4455     // XXX: this check is less racy than you'd expect, but this entire concept is a little awkward
4456     if (![database hasPackages])
4457         return message;
4458
4459     NSMutableArray *words([[[message componentsSeparatedByString:@" "] mutableCopy] autorelease]);
4460     for (size_t i(0), e([words count]); i != e; ++i) {
4461         NSString *word([words objectAtIndex:i]);
4462         if (Package *package = [database packageWithName:word])
4463             [words replaceObjectAtIndex:i withObject:[package name]];
4464     }
4465
4466     return [words componentsJoinedByString:@" "];
4467 }
4468
4469 - (void) setToken:(NSString *)token {
4470     // XXX: the website expects this :/
4471 }
4472
4473 @end
4474 /* }}} */
4475
4476 @interface NSURL (CydiaSecure)
4477 @end
4478
4479 @implementation NSURL (CydiaSecure)
4480
4481 - (bool) isCydiaSecure {
4482     if ([[[self scheme] lowercaseString] isEqualToString:@"https"])
4483         return true;
4484
4485     @synchronized (InsecureHosts_) {
4486         if ([InsecureHosts_ containsObject:[self host]])
4487             return true;
4488     }
4489
4490     return false;
4491 }
4492
4493 @end
4494
4495 /* Cydia Browser Controller {{{ */
4496 @implementation CydiaWebViewController
4497
4498 - (NSURL *) navigationURL {
4499     if (NSURLRequest *request = self.request)
4500         return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://url/%@", [[request URL] absoluteString]]];
4501     else
4502         return nil;
4503 }
4504
4505 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4506     [super webView:view didClearWindowObject:window forFrame:frame];
4507     [CydiaWebViewController didClearWindowObject:window forFrame:frame withCydia:cydia_];
4508 }
4509
4510 + (void) didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame withCydia:(CydiaObject *)cydia {
4511     WebDataSource *source([frame dataSource]);
4512     NSURLResponse *response([source response]);
4513     NSURL *url([response URL]);
4514     NSString *scheme([[url scheme] lowercaseString]);
4515
4516     bool bridged(false);
4517
4518     @synchronized (BridgedHosts_) {
4519         if ([scheme isEqualToString:@"file"])
4520             bridged = true;
4521         else if ([scheme isEqualToString:@"https"])
4522             if ([BridgedHosts_ containsObject:[url host]])
4523                 bridged = true;
4524     }
4525
4526     if (bridged)
4527         [window setValue:cydia forKey:@"cydia"];
4528 }
4529
4530 - (void) _setupMail:(MFMailComposeViewController *)controller {
4531     [controller addAttachmentData:[NSData dataWithContentsOfFile:@"/tmp/cydia.log"] mimeType:@"text/plain" fileName:@"cydia.log"];
4532
4533     system("/usr/bin/dpkg -l >/tmp/dpkgl.log");
4534     [controller addAttachmentData:[NSData dataWithContentsOfFile:@"/tmp/dpkgl.log"] mimeType:@"text/plain" fileName:@"dpkgl.log"];
4535 }
4536
4537 - (NSURLRequest *) webView:(WebView *)view resource:(id)resource willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
4538     return [CydiaWebViewController requestWithHeaders:[super webView:view resource:resource willSendRequest:request redirectResponse:response fromDataSource:source]];
4539 }
4540
4541 - (NSURLRequest *) webThreadWebView:(WebView *)view resource:(id)resource willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
4542     return [CydiaWebViewController requestWithHeaders:[super webThreadWebView:view resource:resource willSendRequest:request redirectResponse:response fromDataSource:source]];
4543 }
4544
4545 + (NSURLRequest *) requestWithHeaders:(NSURLRequest *)request {
4546     NSMutableURLRequest *copy([[request mutableCopy] autorelease]);
4547
4548     NSURL *url([copy URL]);
4549     NSString *href([url absoluteString]);
4550     NSString *host([url host]);
4551
4552     if ([href hasPrefix:@"https://cydia.saurik.com/TSS/"]) {
4553         if (NSString *agent = [copy valueForHTTPHeaderField:@"X-User-Agent"]) {
4554             [copy setValue:agent forHTTPHeaderField:@"User-Agent"];
4555             [copy setValue:nil forHTTPHeaderField:@"X-User-Agent"];
4556         }
4557
4558         [copy setValue:nil forHTTPHeaderField:@"Referer"];
4559         [copy setValue:nil forHTTPHeaderField:@"Origin"];
4560
4561         [copy setURL:[NSURL URLWithString:[@"http://gs.apple.com/TSS/" stringByAppendingString:[href substringFromIndex:29]]]];
4562         return copy;
4563     }
4564
4565     if ([copy valueForHTTPHeaderField:@"X-Cydia-Cf"] == nil)
4566         [copy setValue:[NSString stringWithFormat:@"%.2f", kCFCoreFoundationVersionNumber] forHTTPHeaderField:@"X-Cydia-Cf"];
4567     if (Machine_ != NULL && [copy valueForHTTPHeaderField:@"X-Machine"] == nil)
4568         [copy setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
4569
4570     bool bridged; @synchronized (BridgedHosts_) {
4571         bridged = [BridgedHosts_ containsObject:host];
4572     }
4573
4574     if ([url isCydiaSecure] && bridged && UniqueID_ != nil && [copy valueForHTTPHeaderField:@"X-Cydia-Id"] == nil)
4575         [copy setValue:UniqueID_ forHTTPHeaderField:@"X-Cydia-Id"];
4576
4577     return copy;
4578 }
4579
4580 - (void) setDelegate:(id)delegate {
4581     [super setDelegate:delegate];
4582     [cydia_ setDelegate:delegate];
4583 }
4584
4585 - (id) init {
4586     if ((self = [super initWithWidth:0 ofClass:[CydiaWebViewController class]]) != nil) {
4587         cydia_ = [[[CydiaObject alloc] initWithDelegate:self.indirect] autorelease];
4588     } return self;
4589 }
4590
4591 @end
4592
4593 @interface AppCacheController : CydiaWebViewController {
4594 }
4595
4596 @end
4597
4598 @implementation AppCacheController
4599
4600 - (void) didReceiveMemoryWarning {
4601     // XXX: this doesn't work
4602 }
4603
4604 - (bool) retainsNetworkActivityIndicator {
4605     return false;
4606 }
4607
4608 @end
4609 /* }}} */
4610
4611 /* Confirmation Controller {{{ */
4612 bool DepSubstrate(const pkgCache::VerIterator &iterator) {
4613     if (!iterator.end())
4614         for (pkgCache::DepIterator dep(iterator.DependsList()); !dep.end(); ++dep) {
4615             if (dep->Type != pkgCache::Dep::Depends && dep->Type != pkgCache::Dep::PreDepends)
4616                 continue;
4617             pkgCache::PkgIterator package(dep.TargetPkg());
4618             if (package.end())
4619                 continue;
4620             if (strcmp(package.Name(), "mobilesubstrate") == 0)
4621                 return true;
4622         }
4623
4624     return false;
4625 }
4626
4627 @protocol ConfirmationControllerDelegate
4628 - (void) cancelAndClear:(bool)clear;
4629 - (void) confirmWithNavigationController:(UINavigationController *)navigation;
4630 - (void) queue;
4631 @end
4632
4633 @interface ConfirmationController : CydiaWebViewController {
4634     _transient Database *database_;
4635
4636     _H<UIAlertView> essential_;
4637
4638     _H<NSDictionary> changes_;
4639     _H<NSMutableArray> issues_;
4640     _H<NSDictionary> sizes_;
4641
4642     BOOL substrate_;
4643 }
4644
4645 - (id) initWithDatabase:(Database *)database;
4646
4647 @end
4648
4649 @implementation ConfirmationController
4650
4651 - (void) complete {
4652     if (substrate_)
4653         RestartSubstrate_ = true;
4654     [self.delegate confirmWithNavigationController:[self navigationController]];
4655 }
4656
4657 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
4658     NSString *context([alert context]);
4659
4660     if ([context isEqualToString:@"remove"]) {
4661         if (button == [alert cancelButtonIndex])
4662             [self _doContinue];
4663         else if (button == [alert firstOtherButtonIndex]) {
4664             [self performSelector:@selector(complete) withObject:nil afterDelay:0];
4665         }
4666
4667         [alert dismissWithClickedButtonIndex:-1 animated:YES];
4668     } else if ([context isEqualToString:@"unable"]) {
4669         [self dismissModalViewControllerAnimated:YES];
4670         [alert dismissWithClickedButtonIndex:-1 animated:YES];
4671     } else {
4672         [super alertView:alert clickedButtonAtIndex:button];
4673     }
4674 }
4675
4676 - (void) _doContinue {
4677     [self.delegate cancelAndClear:NO];
4678     [self dismissModalViewControllerAnimated:YES];
4679 }
4680
4681 - (id) invokeDefaultMethodWithArguments:(NSArray *)args {
4682     [self performSelectorOnMainThread:@selector(_doContinue) withObject:nil waitUntilDone:NO];
4683     return nil;
4684 }
4685
4686 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4687     [super webView:view didClearWindowObject:window forFrame:frame];
4688
4689     [window setValue:[[NSDictionary dictionaryWithObjectsAndKeys:
4690         (id) changes_, @"changes",
4691         (id) issues_, @"issues",
4692         (id) sizes_, @"sizes",
4693         self, @"queue",
4694     nil] Cydia$webScriptObjectInContext:window] forKey:@"cydiaConfirm"];
4695 }
4696
4697 - (id) initWithDatabase:(Database *)database {
4698     if ((self = [super init]) != nil) {
4699         database_ = database;
4700
4701         NSMutableArray *installs([NSMutableArray arrayWithCapacity:16]);
4702         NSMutableArray *reinstalls([NSMutableArray arrayWithCapacity:16]);
4703         NSMutableArray *upgrades([NSMutableArray arrayWithCapacity:16]);
4704         NSMutableArray *downgrades([NSMutableArray arrayWithCapacity:16]);
4705         NSMutableArray *removes([NSMutableArray arrayWithCapacity:16]);
4706
4707         bool remove(false);
4708
4709         pkgCacheFile &cache([database_ cache]);
4710         NSArray *packages([database_ packages]);
4711         pkgDepCache::Policy *policy([database_ policy]);
4712
4713         issues_ = [NSMutableArray arrayWithCapacity:4];
4714
4715         for (Package *package in packages) {
4716             pkgCache::PkgIterator iterator([package iterator]);
4717             NSString *name([package id]);
4718
4719             if ([package broken]) {
4720                 NSMutableArray *reasons([NSMutableArray arrayWithCapacity:4]);
4721
4722                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4723                     name, @"package",
4724                     reasons, @"reasons",
4725                 nil]];
4726
4727                 pkgCache::VerIterator ver(cache[iterator].InstVerIter(cache));
4728                 if (ver.end())
4729                     continue;
4730
4731                 for (pkgCache::DepIterator dep(ver.DependsList()); !dep.end(); ) {
4732                     pkgCache::DepIterator start;
4733                     pkgCache::DepIterator end;
4734                     dep.GlobOr(start, end); // ++dep
4735
4736                     if (!cache->IsImportantDep(end))
4737                         continue;
4738                     if ((cache[end] & pkgDepCache::DepGInstall) != 0)
4739                         continue;
4740
4741                     NSMutableArray *clauses([NSMutableArray arrayWithCapacity:4]);
4742
4743                     [reasons addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4744                         [NSString stringWithUTF8String:start.DepType()], @"relationship",
4745                         clauses, @"clauses",
4746                     nil]];
4747
4748                     _forever {
4749                         NSString *reason, *installed((NSString *) [WebUndefined undefined]);
4750
4751                         pkgCache::PkgIterator target(start.TargetPkg());
4752                         if (target->ProvidesList != 0)
4753                             reason = @"missing";
4754                         else {
4755                             pkgCache::VerIterator ver(cache[target].InstVerIter(cache));
4756                             if (!ver.end()) {
4757                                 reason = @"installed";
4758                                 installed = [NSString stringWithUTF8String:ver.VerStr()];
4759                             } else if (!cache[target].CandidateVerIter(cache).end())
4760                                 reason = @"uninstalled";
4761                             else if (target->ProvidesList == 0)
4762                                 reason = @"uninstallable";
4763                             else
4764                                 reason = @"virtual";
4765                         }
4766
4767                         NSDictionary *version(start.TargetVer() == 0 ? (NSDictionary *) [NSNull null] : [NSDictionary dictionaryWithObjectsAndKeys:
4768                             [NSString stringWithUTF8String:start.CompType()], @"operator",
4769                             [NSString stringWithUTF8String:start.TargetVer()], @"value",
4770                         nil]);
4771
4772                         [clauses addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4773                             [NSString stringWithUTF8String:start.TargetPkg().Name()], @"package",
4774                             version, @"version",
4775                             reason, @"reason",
4776                             installed, @"installed",
4777                         nil]];
4778
4779                         // yes, seriously. (wtf?)
4780                         if (start == end)
4781                             break;
4782                         ++start;
4783                     }
4784                 }
4785             }
4786
4787             pkgDepCache::StateCache &state(cache[iterator]);
4788
4789             static RegEx special_r("(firmware|gsc\\..*|cy\\+.*)");
4790
4791             if (state.NewInstall())
4792                 [installs addObject:name];
4793             // XXX: else if (state.Install())
4794             else if (!state.Delete() && (state.iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall)
4795                 [reinstalls addObject:name];
4796             // XXX: move before previous if
4797             else if (state.Upgrade())
4798                 [upgrades addObject:name];
4799             else if (state.Downgrade())
4800                 [downgrades addObject:name];
4801             else if (!state.Delete())
4802                 // XXX: _assert(state.Keep());
4803                 continue;
4804             else if (special_r(name))
4805                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4806                     [NSNull null], @"package",
4807                     [NSArray arrayWithObjects:
4808                         [NSDictionary dictionaryWithObjectsAndKeys:
4809                             @"Conflicts", @"relationship",
4810                             [NSArray arrayWithObjects:
4811                                 [NSDictionary dictionaryWithObjectsAndKeys:
4812                                     name, @"package",
4813                                     [NSNull null], @"version",
4814                                     @"installed", @"reason",
4815                                 nil],
4816                             nil], @"clauses",
4817                         nil],
4818                     nil], @"reasons",
4819                 nil]];
4820             else {
4821                 if ([package essential])
4822                     remove = true;
4823                 [removes addObject:name];
4824             }
4825
4826             substrate_ |= DepSubstrate(policy->GetCandidateVer(iterator));
4827             substrate_ |= DepSubstrate(iterator.CurrentVer());
4828         }
4829
4830         if (!remove)
4831             essential_ = nil;
4832         else if (Advanced_) {
4833             NSString *parenthetical(UCLocalize("PARENTHETICAL"));
4834
4835             essential_ = [[[UIAlertView alloc]
4836                 initWithTitle:UCLocalize("REMOVING_ESSENTIALS")
4837                 message:UCLocalize("REMOVING_ESSENTIALS_EX")
4838                 delegate:self
4839                 cancelButtonTitle:[NSString stringWithFormat:parenthetical, UCLocalize("CANCEL_OPERATION"), UCLocalize("SAFE")]
4840                 otherButtonTitles:
4841                     [NSString stringWithFormat:parenthetical, UCLocalize("FORCE_REMOVAL"), UCLocalize("UNSAFE")],
4842                 nil
4843             ] autorelease];
4844
4845             [essential_ setContext:@"remove"];
4846             [essential_ setNumberOfRows:2];
4847         } else {
4848             essential_ = [[[UIAlertView alloc]
4849                 initWithTitle:UCLocalize("UNABLE_TO_COMPLY")
4850                 message:UCLocalize("UNABLE_TO_COMPLY_EX")
4851                 delegate:self
4852                 cancelButtonTitle:UCLocalize("OKAY")
4853                 otherButtonTitles:nil
4854             ] autorelease];
4855
4856             [essential_ setContext:@"unable"];
4857         }
4858
4859         changes_ = [NSDictionary dictionaryWithObjectsAndKeys:
4860             installs, @"installs",
4861             reinstalls, @"reinstalls",
4862             upgrades, @"upgrades",
4863             downgrades, @"downgrades",
4864             removes, @"removes",
4865         nil];
4866
4867         sizes_ = [NSDictionary dictionaryWithObjectsAndKeys:
4868             [NSNumber numberWithInteger:[database_ fetcher].FetchNeeded()], @"downloading",
4869             [NSNumber numberWithInteger:[database_ fetcher].PartialPresent()], @"resuming",
4870         nil];
4871
4872         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/confirm/", UI_]]];
4873     } return self;
4874 }
4875
4876 - (UIBarButtonItem *) leftButton {
4877     return [[[UIBarButtonItem alloc]
4878         initWithTitle:UCLocalize("CANCEL")
4879         style:UIBarButtonItemStylePlain
4880         target:self
4881         action:@selector(cancelButtonClicked)
4882     ] autorelease];
4883 }
4884
4885 #if !AlwaysReload
4886 - (void) applyRightButton {
4887     if ([issues_ count] == 0 && ![self isLoading])
4888         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
4889             initWithTitle:UCLocalize("CONFIRM")
4890             style:UIBarButtonItemStyleDone
4891             target:self
4892             action:@selector(confirmButtonClicked)
4893         ] autorelease]];
4894     else
4895         [[self navigationItem] setRightBarButtonItem:nil];
4896 }
4897 #endif
4898
4899 - (void) cancelButtonClicked {
4900     [self.delegate cancelAndClear:YES];
4901     [self dismissModalViewControllerAnimated:YES];
4902 }
4903
4904 #if !AlwaysReload
4905 - (void) confirmButtonClicked {
4906     if (essential_ != nil)
4907         [essential_ show];
4908     else
4909         [self complete];
4910 }
4911 #endif
4912
4913 @end
4914 /* }}} */
4915
4916 /* Progress Data {{{ */
4917 @interface CydiaProgressData : NSObject {
4918     _transient id delegate_;
4919
4920     bool running_;
4921     float percent_;
4922
4923     float current_;
4924     float total_;
4925     float speed_;
4926
4927     _H<NSMutableArray> events_;
4928     _H<NSString> title_;
4929
4930     _H<NSString> status_;
4931     _H<NSString> finish_;
4932 }
4933
4934 @end
4935
4936 @implementation CydiaProgressData
4937
4938 + (NSArray *) _attributeKeys {
4939     return [NSArray arrayWithObjects:
4940         @"current",
4941         @"events",
4942         @"finish",
4943         @"percent",
4944         @"running",
4945         @"speed",
4946         @"title",
4947         @"total",
4948     nil];
4949 }
4950
4951 - (NSArray *) attributeKeys {
4952     return [[self class] _attributeKeys];
4953 }
4954
4955 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
4956     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
4957 }
4958
4959 - (id) init {
4960     if ((self = [super init]) != nil) {
4961         events_ = [NSMutableArray arrayWithCapacity:32];
4962     } return self;
4963 }
4964
4965 - (id) delegate {
4966     return delegate_;
4967 }
4968
4969 - (void) setDelegate:(id)delegate {
4970     delegate_ = delegate;
4971 }
4972
4973 - (void) setPercent:(float)value {
4974     percent_ = value;
4975 }
4976
4977 - (NSNumber *) percent {
4978     return [NSNumber numberWithFloat:percent_];
4979 }
4980
4981 - (void) setCurrent:(float)value {
4982     current_ = value;
4983 }
4984
4985 - (NSNumber *) current {
4986     return [NSNumber numberWithFloat:current_];
4987 }
4988
4989 - (void) setTotal:(float)value {
4990     total_ = value;
4991 }
4992
4993 - (NSNumber *) total {
4994     return [NSNumber numberWithFloat:total_];
4995 }
4996
4997 - (void) setSpeed:(float)value {
4998     speed_ = value;
4999 }
5000
5001 - (NSNumber *) speed {
5002     return [NSNumber numberWithFloat:speed_];
5003 }
5004
5005 - (NSArray *) events {
5006     return events_;
5007 }
5008
5009 - (void) removeAllEvents {
5010     [events_ removeAllObjects];
5011 }
5012
5013 - (void) addEvent:(CydiaProgressEvent *)event {
5014     [events_ addObject:event];
5015 }
5016
5017 - (void) setTitle:(NSString *)text {
5018     title_ = text;
5019 }
5020
5021 - (NSString *) title {
5022     return title_;
5023 }
5024
5025 - (void) setFinish:(NSString *)text {
5026     finish_ = text;
5027 }
5028
5029 - (NSString *) finish {
5030     return (id) finish_ ?: [NSNull null];
5031 }
5032
5033 - (void) setRunning:(bool)running {
5034     running_ = running;
5035 }
5036
5037 - (NSNumber *) running {
5038     return running_ ? (NSNumber *) kCFBooleanTrue : (NSNumber *) kCFBooleanFalse;
5039 }
5040
5041 @end
5042 /* }}} */
5043 /* Progress Controller {{{ */
5044 @interface ProgressController : CydiaWebViewController <
5045     ProgressDelegate
5046 > {
5047     _transient Database *database_;
5048     _H<CydiaProgressData, 1> progress_;
5049     unsigned cancel_;
5050 }
5051
5052 - (id) initWithDatabase:(Database *)database delegate:(id)delegate;
5053
5054 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title;
5055
5056 - (void) setTitle:(NSString *)title;
5057 - (void) setCancellable:(bool)cancellable;
5058
5059 @end
5060
5061 @implementation ProgressController
5062
5063 - (void) dealloc {
5064     [database_ setProgressDelegate:nil];
5065     [super dealloc];
5066 }
5067
5068 - (UIBarButtonItem *) leftButton {
5069     return cancel_ == 1 ? [[[UIBarButtonItem alloc]
5070         initWithTitle:UCLocalize("CANCEL")
5071         style:UIBarButtonItemStylePlain
5072         target:self
5073         action:@selector(cancel)
5074     ] autorelease] : nil;
5075 }
5076
5077 - (void) updateCancel {
5078     [super applyLeftButton];
5079 }
5080
5081 - (id) initWithDatabase:(Database *)database delegate:(id)delegate {
5082     if ((self = [super init]) != nil) {
5083         database_ = database;
5084         self.delegate = delegate;
5085
5086         [database_ setProgressDelegate:self];
5087
5088         progress_ = [[[CydiaProgressData alloc] init] autorelease];
5089         [progress_ setDelegate:self];
5090
5091         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/progress/", UI_]]];
5092
5093         [self setPageColor:[UIColor blackColor]];
5094
5095         [[self navigationItem] setHidesBackButton:YES];
5096
5097         [self updateCancel];
5098     } return self;
5099 }
5100
5101 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
5102     [super webView:view didClearWindowObject:window forFrame:frame];
5103     [window setValue:progress_ forKey:@"cydiaProgress"];
5104 }
5105
5106 - (void) updateProgress {
5107     [self dispatchEvent:@"CydiaProgressUpdate"];
5108 }
5109
5110 - (void) viewWillAppear:(BOOL)animated {
5111     [[[self navigationController] navigationBar] setBarStyle:UIBarStyleBlack];
5112     [super viewWillAppear:animated];
5113 }
5114
5115 - (void) close {
5116     UpdateExternalStatus(0);
5117
5118     if (Finish_ > 1)
5119         [self.delegate saveState];
5120
5121     switch (Finish_) {
5122         case 0:
5123             [self.delegate returnToCydia];
5124         break;
5125
5126         case 1:
5127             [self.delegate terminateWithSuccess];
5128             /*if ([self.delegate respondsToSelector:@selector(suspendWithAnimation:)])
5129                 [self.delegate suspendWithAnimation:YES];
5130             else
5131                 [self.delegate suspend];*/
5132         break;
5133
5134         case 2:
5135             _trace();
5136             goto reload;
5137
5138         case 3:
5139             _trace();
5140             goto reload;
5141
5142         reload: {
5143             UIProgressHUD *hud([self.delegate addProgressHUD]);
5144             [hud setText:UCLocalize("LOADING")];
5145             [self.delegate performSelector:@selector(reloadSpringBoard) withObject:nil afterDelay:0.5];
5146             return;
5147         }
5148
5149         case 4:
5150             _trace();
5151             if (void (*SBReboot)(mach_port_t) = reinterpret_cast<void (*)(mach_port_t)>(dlsym(RTLD_DEFAULT, "SBReboot")))
5152                 SBReboot(SBSSpringBoardServerPort());
5153             else
5154                 reboot2(RB_AUTOBOOT);
5155         break;
5156     }
5157
5158     [super close];
5159 }
5160
5161 - (void) setTitle:(NSString *)title {
5162     [progress_ setTitle:title];
5163     [self updateProgress];
5164 }
5165
5166 - (UIBarButtonItem *) rightButton {
5167     return [[progress_ running] boolValue] ? [super rightButton] : [[[UIBarButtonItem alloc]
5168         initWithTitle:UCLocalize("CLOSE")
5169         style:UIBarButtonItemStylePlain
5170         target:self
5171         action:@selector(close)
5172     ] autorelease];
5173 }
5174
5175 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title {
5176     UpdateExternalStatus(1);
5177
5178     [progress_ setRunning:true];
5179     [self setTitle:title];
5180     // implicit updateProgress
5181
5182     SHA1SumValue notifyconf; {
5183         FileFd file;
5184         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
5185             _error->Discard();
5186         else {
5187             MMap mmap(file, MMap::ReadOnly);
5188             SHA1Summation sha1;
5189             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5190             notifyconf = sha1.Result();
5191         }
5192     }
5193
5194     SHA1SumValue springlist; {
5195         FileFd file;
5196         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
5197             _error->Discard();
5198         else {
5199             MMap mmap(file, MMap::ReadOnly);
5200             SHA1Summation sha1;
5201             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5202             springlist = sha1.Result();
5203         }
5204     }
5205
5206     if (invocation != nil) {
5207         [invocation yieldToSelector:@selector(invoke)];
5208         [self setTitle:@"COMPLETE"];
5209     }
5210
5211     if (Finish_ < 4) {
5212         FileFd file;
5213         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
5214             _error->Discard();
5215         else {
5216             MMap mmap(file, MMap::ReadOnly);
5217             SHA1Summation sha1;
5218             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5219             if (!(notifyconf == sha1.Result()))
5220                 Finish_ = 4;
5221         }
5222     }
5223
5224     if (Finish_ < 3) {
5225         FileFd file;
5226         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
5227             _error->Discard();
5228         else {
5229             MMap mmap(file, MMap::ReadOnly);
5230             SHA1Summation sha1;
5231             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5232             if (!(springlist == sha1.Result()))
5233                 Finish_ = 3;
5234         }
5235     }
5236
5237     if (Finish_ < 2) {
5238         if (RestartSubstrate_)
5239             Finish_ = 2;
5240     }
5241
5242     RestartSubstrate_ = false;
5243
5244     switch (Finish_) {
5245         case 0: [progress_ setFinish:UCLocalize("RETURN_TO_CYDIA")]; break; /* XXX: Maybe UCLocalize("DONE")? */
5246         case 1: [progress_ setFinish:UCLocalize("CLOSE_CYDIA")]; break;
5247         case 2: [progress_ setFinish:UCLocalize("RESTART_SPRINGBOARD")]; break;
5248         case 3: [progress_ setFinish:UCLocalize("RELOAD_SPRINGBOARD")]; break;
5249         case 4: [progress_ setFinish:UCLocalize("REBOOT_DEVICE")]; break;
5250     }
5251
5252     UpdateExternalStatus(Finish_ == 0 ? 0 : 2);
5253
5254     [progress_ setRunning:false];
5255     [self updateProgress];
5256
5257     [self applyRightButton];
5258 }
5259
5260 - (void) addProgressEvent:(CydiaProgressEvent *)event {
5261     [progress_ addEvent:event];
5262     [self updateProgress];
5263 }
5264
5265 - (bool) isProgressCancelled {
5266     return cancel_ == 2;
5267 }
5268
5269 - (void) cancel {
5270     cancel_ = 2;
5271     [self updateCancel];
5272 }
5273
5274 - (void) setCancellable:(bool)cancellable {
5275     unsigned cancel(cancel_);
5276
5277     if (!cancellable)
5278         cancel_ = 0;
5279     else if (cancel_ == 0)
5280         cancel_ = 1;
5281
5282     if (cancel != cancel_)
5283         [self updateCancel];
5284 }
5285
5286 - (void) setProgressCancellable:(NSNumber *)cancellable {
5287     [self setCancellable:[cancellable boolValue]];
5288 }
5289
5290 - (void) setProgressPercent:(NSNumber *)percent {
5291     [progress_ setPercent:[percent floatValue]];
5292     [self updateProgress];
5293 }
5294
5295 - (void) setProgressStatus:(NSDictionary *)status {
5296     if (status == nil) {
5297         [progress_ setCurrent:0];
5298         [progress_ setTotal:0];
5299         [progress_ setSpeed:0];
5300     } else {
5301         [progress_ setPercent:[[status objectForKey:@"Percent"] floatValue]];
5302
5303         [progress_ setCurrent:[[status objectForKey:@"Current"] floatValue]];
5304         [progress_ setTotal:[[status objectForKey:@"Total"] floatValue]];
5305         [progress_ setSpeed:[[status objectForKey:@"Speed"] floatValue]];
5306     }
5307
5308     [self updateProgress];
5309 }
5310
5311 @end
5312 /* }}} */
5313
5314 /* Package Cell {{{ */
5315 @interface PackageCell : CyteTableViewCell <
5316     CyteTableViewCellDelegate
5317 > {
5318     _H<UIImage> icon_;
5319     _H<NSString> name_;
5320     _H<NSString> description_;
5321     bool commercial_;
5322     _H<NSString> source_;
5323     _H<UIImage> badge_;
5324     _H<UIImage> placard_;
5325     bool summarized_;
5326 }
5327
5328 - (PackageCell *) init;
5329 - (void) setPackage:(Package *)package asSummary:(bool)summary;
5330
5331 - (void) drawContentRect:(CGRect)rect;
5332
5333 @end
5334
5335 @implementation PackageCell
5336
5337 - (PackageCell *) init {
5338     CGRect frame(CGRectMake(0, 0, 320, 74));
5339     if ((self = [super initWithFrame:frame reuseIdentifier:@"Package"]) != nil) {
5340         [self.content setOpaque:YES];
5341     } return self;
5342 }
5343
5344 - (NSString *) accessibilityLabel {
5345     return name_;
5346 }
5347
5348 - (void) setPackage:(Package *)package asSummary:(bool)summary {
5349     summarized_ = summary;
5350
5351     icon_ = nil;
5352     name_ = nil;
5353     description_ = nil;
5354     source_ = nil;
5355     badge_ = nil;
5356     placard_ = nil;
5357
5358     if (package == nil)
5359         [self.content setBackgroundColor:[UIColor whiteColor]];
5360     else {
5361         [package parse];
5362
5363         Source *source = [package source];
5364
5365         icon_ = [package icon];
5366
5367         if (NSString *name = [package name])
5368             name_ = [NSString stringWithString:name];
5369
5370         if (NSString *description = [package shortDescription])
5371             description_ = [NSString stringWithString:description];
5372
5373         commercial_ = [package isCommercial];
5374
5375         NSString *label = nil;
5376         bool trusted = false;
5377
5378         if (source != nil) {
5379             label = [source label];
5380             trusted = [source trusted];
5381         } else if ([[package id] isEqualToString:@"firmware"])
5382             label = UCLocalize("APPLE");
5383         else
5384             label = [NSString stringWithFormat:UCLocalize("SLASH_DELIMITED"), UCLocalize("UNKNOWN"), UCLocalize("LOCAL")];
5385
5386         NSString *from(label);
5387
5388         NSString *section = [package simpleSection];
5389         if (section != nil && ![section isEqualToString:label]) {
5390             section = [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
5391             from = [NSString stringWithFormat:UCLocalize("PARENTHETICAL"), from, section];
5392         }
5393
5394         source_ = [NSString stringWithFormat:UCLocalize("FROM"), from];
5395
5396         if (NSString *purpose = [package primaryPurpose])
5397             badge_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Purposes/%@.png", App_, purpose]];
5398
5399         UIColor *color;
5400         NSString *placard;
5401
5402         if (NSString *mode = [package mode]) {
5403             if ([mode isEqualToString:@"REMOVE"] || [mode isEqualToString:@"PURGE"]) {
5404                 color = RemovingColor_;
5405                 placard = @"removing";
5406             } else {
5407                 color = InstallingColor_;
5408                 placard = @"installing";
5409             }
5410         } else {
5411             color = [UIColor whiteColor];
5412
5413             if ([package installed] != nil)
5414                 placard = @"installed";
5415             else
5416                 placard = nil;
5417         }
5418
5419         [self.content setBackgroundColor:color];
5420
5421         if (placard != nil)
5422             placard_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/%@.png", App_, placard]];
5423     }
5424
5425     [self setNeedsDisplay];
5426     [self.content setNeedsDisplay];
5427 }
5428
5429 - (void) drawSummaryContentRect:(CGRect)rect {
5430     bool highlighted(self.highlighted);
5431     float width([self bounds].size.width);
5432
5433     if (icon_ != nil) {
5434         CGRect rect;
5435         rect.size = [(UIImage *) icon_ size];
5436
5437         while (rect.size.width > 16 || rect.size.height > 16) {
5438             rect.size.width /= 2;
5439             rect.size.height /= 2;
5440         }
5441
5442         rect.origin.x = 19 - rect.size.width / 2;
5443         rect.origin.y = 19 - rect.size.height / 2;
5444
5445         [icon_ drawInRect:Retina(rect)];
5446     }
5447
5448     if (badge_ != nil) {
5449         CGRect rect;
5450         rect.size = [(UIImage *) badge_ size];
5451
5452         rect.size.width /= 4;
5453         rect.size.height /= 4;
5454
5455         rect.origin.x = 25 - rect.size.width / 2;
5456         rect.origin.y = 25 - rect.size.height / 2;
5457
5458         [badge_ drawInRect:Retina(rect)];
5459     }
5460
5461     if (highlighted && kCFCoreFoundationVersionNumber < 800)
5462         UISetColor(White_);
5463
5464     if (!highlighted)
5465         UISetColor(commercial_ ? Purple_ : Black_);
5466     [name_ drawAtPoint:CGPointMake(36, 8) forWidth:(width - (placard_ == nil ? 68 : 94)) withFont:Font18Bold_ lineBreakMode:NSLineBreakByTruncatingTail];
5467
5468     if (placard_ != nil)
5469         [placard_ drawAtPoint:CGPointMake(width - 52, 11)];
5470 }
5471
5472 - (void) drawNormalContentRect:(CGRect)rect {
5473     bool highlighted(self.highlighted);
5474     float width([self bounds].size.width);
5475
5476     if (icon_ != nil) {
5477         CGRect rect;
5478         rect.size = [(UIImage *) icon_ size];
5479
5480         while (rect.size.width > 32 || rect.size.height > 32) {
5481             rect.size.width /= 2;
5482             rect.size.height /= 2;
5483         }
5484
5485         rect.origin.x = 25 - rect.size.width / 2;
5486         rect.origin.y = 25 - rect.size.height / 2;
5487
5488         [icon_ drawInRect:Retina(rect)];
5489     }
5490
5491     if (badge_ != nil) {
5492         CGRect rect;
5493         rect.size = [(UIImage *) badge_ size];
5494
5495         rect.size.width /= 2;
5496         rect.size.height /= 2;
5497
5498         rect.origin.x = 36 - rect.size.width / 2;
5499         rect.origin.y = 36 - rect.size.height / 2;
5500
5501         [badge_ drawInRect:Retina(rect)];
5502     }
5503
5504     if (highlighted && kCFCoreFoundationVersionNumber < 800)
5505         UISetColor(White_);
5506
5507     if (!highlighted)
5508         UISetColor(commercial_ ? Purple_ : Black_);
5509     [name_ drawAtPoint:CGPointMake(48, 8) forWidth:(width - (placard_ == nil ? 80 : 106)) withFont:Font18Bold_ lineBreakMode:NSLineBreakByTruncatingTail];
5510     [source_ drawAtPoint:CGPointMake(58, 29) forWidth:(width - 95) withFont:Font12_ lineBreakMode:NSLineBreakByTruncatingTail];
5511
5512     if (!highlighted)
5513         UISetColor(commercial_ ? Purplish_ : Gray_);
5514     [description_ drawAtPoint:CGPointMake(12, 46) forWidth:(width - 46) withFont:Font14_ lineBreakMode:NSLineBreakByTruncatingTail];
5515
5516     if (placard_ != nil)
5517         [placard_ drawAtPoint:CGPointMake(width - 52, 9)];
5518 }
5519
5520 - (void) drawContentRect:(CGRect)rect {
5521     if (summarized_)
5522         [self drawSummaryContentRect:rect];
5523     else
5524         [self drawNormalContentRect:rect];
5525 }
5526
5527 @end
5528 /* }}} */
5529 /* Section Cell {{{ */
5530 @interface SectionCell : CyteTableViewCell <
5531     CyteTableViewCellDelegate
5532 > {
5533     _H<NSString> basic_;
5534     _H<NSString> section_;
5535     _H<NSString> name_;
5536     _H<NSString> count_;
5537     _H<UIImage> icon_;
5538     _H<UISwitch> switch_;
5539     BOOL editing_;
5540 }
5541
5542 - (void) setSection:(Section *)section editing:(BOOL)editing;
5543
5544 @end
5545
5546 @implementation SectionCell
5547
5548 - (id) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
5549     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
5550         icon_ = [UIImage imageNamed:@"folder.png"];
5551         // XXX: this initial frame is wrong, but is fixed later
5552         switch_ = [[[UISwitch alloc] initWithFrame:CGRectMake(218, 9, 60, 25)] autorelease];
5553         [switch_ addTarget:self action:@selector(onSwitch:) forEvents:UIControlEventValueChanged];
5554
5555         [self.content setBackgroundColor:[UIColor whiteColor]];
5556     } return self;
5557 }
5558
5559 - (void) onSwitch:(id)sender {
5560     NSMutableDictionary *metadata([Sections_ objectForKey:basic_]);
5561     if (metadata == nil) {
5562         metadata = [NSMutableDictionary dictionaryWithCapacity:2];
5563         [Sections_ setObject:metadata forKey:basic_];
5564     }
5565
5566     [metadata setObject:[NSNumber numberWithBool:([switch_ isOn] == NO)] forKey:@"Hidden"];
5567 }
5568
5569 - (void) setSection:(Section *)section editing:(BOOL)editing {
5570     if (editing != editing_) {
5571         if (editing_)
5572             [switch_ removeFromSuperview];
5573         else
5574             [self addSubview:switch_];
5575         editing_ = editing;
5576     }
5577
5578     basic_ = nil;
5579     section_ = nil;
5580     name_ = nil;
5581     count_ = nil;
5582
5583     if (section == nil) {
5584         name_ = UCLocalize("ALL_PACKAGES");
5585         count_ = nil;
5586     } else {
5587         basic_ = [section name];
5588         section_ = [section localized];
5589
5590         name_  = section_ == nil || [section_ length] == 0 ? UCLocalize("NO_SECTION") : (NSString *) section_;
5591         count_ = [NSString stringWithFormat:@"%zd", [section count]];
5592
5593         if (editing_)
5594             [switch_ setOn:(isSectionVisible(basic_) ? 1 : 0) animated:NO];
5595     }
5596
5597     [self setAccessoryType:editing ? UITableViewCellAccessoryNone : UITableViewCellAccessoryDisclosureIndicator];
5598     [self setSelectionStyle:editing ? UITableViewCellSelectionStyleNone : UITableViewCellSelectionStyleBlue];
5599
5600     [self.content setNeedsDisplay];
5601 }
5602
5603 - (void) setFrame:(CGRect)frame {
5604     [super setFrame:frame];
5605
5606     CGRect rect([switch_ frame]);
5607     [switch_ setFrame:CGRectMake(frame.size.width - rect.size.width - 9, 9, rect.size.width, rect.size.height)];
5608 }
5609
5610 - (NSString *) accessibilityLabel {
5611     return name_;
5612 }
5613
5614 - (void) drawContentRect:(CGRect)rect {
5615     bool highlighted(self.highlighted && !editing_);
5616
5617     [icon_ drawInRect:CGRectMake(7, 7, 32, 32)];
5618
5619     if (highlighted && kCFCoreFoundationVersionNumber < 800)
5620         UISetColor(White_);
5621
5622     float width(rect.size.width);
5623     if (editing_)
5624         width -= 9 + [switch_ frame].size.width;
5625
5626     if (!highlighted)
5627         UISetColor(Black_);
5628     [name_ drawAtPoint:CGPointMake(48, 12) forWidth:(width - 58) withFont:Font18_ lineBreakMode:NSLineBreakByTruncatingTail];
5629
5630     CGSize size = [count_ sizeWithFont:Font14_];
5631
5632     UISetColor(Folder_);
5633     if (count_ != nil)
5634         [count_ drawAtPoint:CGPointMake(Retina(10 + (30 - size.width) / 2), 18) withFont:Font12Bold_];
5635 }
5636
5637 @end
5638 /* }}} */
5639
5640 /* File Table {{{ */
5641 @interface FileTable : CyteListController <
5642     UITableViewDataSource,
5643     UITableViewDelegate
5644 > {
5645     _transient Database *database_;
5646     _H<Package> package_;
5647     _H<NSString> name_;
5648     _H<NSMutableArray> files_;
5649 }
5650
5651 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name;
5652
5653 @end
5654
5655 @implementation FileTable
5656
5657 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
5658     return files_ == nil ? 0 : [files_ count];
5659 }
5660
5661 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
5662     return 24.0f;
5663 }*/
5664
5665 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
5666     static NSString *reuseIdentifier = @"Cell";
5667
5668     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
5669     if (cell == nil) {
5670         cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
5671         [cell setFont:[UIFont systemFontOfSize:16]];
5672     }
5673     [cell setText:[files_ objectAtIndex:indexPath.row]];
5674     [cell setSelectionStyle:UITableViewCellSelectionStyleNone];
5675
5676     return cell;
5677 }
5678
5679 - (NSURL *) navigationURL {
5680     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/files", [package_ id]]];
5681 }
5682
5683 - (CGFloat) rowHeight {
5684     return 24;
5685 }
5686
5687 - (void) releaseSubviews {
5688     package_ = nil;
5689     files_ = nil;
5690
5691     [super releaseSubviews];
5692 }
5693
5694 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name {
5695     if ((self = [super initWithTitle:UCLocalize("INSTALLED_FILES")]) != nil) {
5696         database_ = database;
5697         name_ = name;
5698     } return self;
5699 }
5700
5701 - (bool) shouldYield {
5702     return false;
5703 }
5704
5705 - (void) _reloadData {
5706     files_ = nil;
5707
5708     package_ = [database_ packageWithName:name_];
5709     if (package_ != nil) {
5710         files_ = [NSMutableArray arrayWithCapacity:32];
5711
5712         if (NSArray *files = [package_ files])
5713             [files_ addObjectsFromArray:files];
5714
5715         if ([files_ count] != 0) {
5716             if ([[files_ objectAtIndex:0] isEqualToString:@"/."])
5717                 [files_ removeObjectAtIndex:0];
5718             [files_ sortUsingSelector:@selector(compareByPath:)];
5719
5720             NSMutableArray *stack = [NSMutableArray arrayWithCapacity:8];
5721             [stack addObject:@"/"];
5722
5723             for (int i(0), e([files_ count]); i != e; ++i) {
5724                 NSString *file = [files_ objectAtIndex:i];
5725                 while (![file hasPrefix:[stack lastObject]])
5726                     [stack removeLastObject];
5727                 NSString *directory = [stack lastObject];
5728                 [stack addObject:[file stringByAppendingString:@"/"]];
5729                 [files_ replaceObjectAtIndex:i withObject:[NSString stringWithFormat:@"%*s%@",
5730                     int(([stack count] - 2) * 3), "",
5731                     [file substringFromIndex:[directory length]]
5732                 ]];
5733             }
5734         }
5735     }
5736
5737     [super _reloadData];
5738 }
5739
5740 @end
5741 /* }}} */
5742 /* Package Controller {{{ */
5743 @interface CYPackageController : CydiaWebViewController <
5744     UIActionSheetDelegate
5745 > {
5746     _transient Database *database_;
5747     _H<Package> package_;
5748     _H<NSString> name_;
5749     bool commercial_;
5750     std::vector<std::pair<_H<NSString>, _H<NSString>>> buttons_;
5751     _H<UIActionSheet> sheet_;
5752     _H<UIBarButtonItem> button_;
5753     _H<NSArray> versions_;
5754 }
5755
5756 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name withReferrer:(NSString *)referrer;
5757
5758 @end
5759
5760 @implementation CYPackageController
5761
5762 - (NSURL *) navigationURL {
5763     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@", (id) name_]];
5764 }
5765
5766 - (void) _clickButtonWithPackage:(Package *)package {
5767     [self.delegate installPackage:package];
5768 }
5769
5770 - (void) _clickButtonWithName:(NSString *)name {
5771     if ([name isEqualToString:@"CLEAR"])
5772         return [self.delegate clearPackage:package_];
5773     else if ([name isEqualToString:@"REMOVE"])
5774         return [self.delegate removePackage:package_];
5775     else if ([name isEqualToString:@"DOWNGRADE"]) {
5776         sheet_ = [[[UIActionSheet alloc]
5777             initWithTitle:nil
5778             delegate:self
5779             cancelButtonTitle:nil
5780             destructiveButtonTitle:nil
5781             otherButtonTitles:nil
5782         ] autorelease];
5783
5784         for (Package *version in (id) versions_)
5785             [sheet_ addButtonWithTitle:[version latest]];
5786         [sheet_ setContext:@"version"];
5787
5788         [self.delegate showActionSheet:sheet_ fromItem:[[self navigationItem] rightBarButtonItem]];
5789         return;
5790     }
5791
5792     else if ([name isEqualToString:@"INSTALL"]);
5793     else if ([name isEqualToString:@"REINSTALL"]);
5794     else if ([name isEqualToString:@"UPGRADE"]);
5795     else _assert(false);
5796
5797     [self.delegate installPackage:package_];
5798 }
5799
5800 - (void) actionSheet:(UIActionSheet *)sheet clickedButtonAtIndex:(NSInteger)button {
5801     NSString *context([sheet context]);
5802     if (sheet_ == sheet)
5803         sheet_ = nil;
5804
5805     if ([context isEqualToString:@"modify"]) {
5806         if (button != [sheet cancelButtonIndex]) {
5807             if (IsWildcat_)
5808                 [self performSelector:@selector(_clickButtonWithName:) withObject:buttons_[button].first afterDelay:0];
5809             else
5810                 [self _clickButtonWithName:buttons_[button].first];
5811         }
5812
5813         [sheet dismissWithClickedButtonIndex:button animated:YES];
5814     } else if ([context isEqualToString:@"version"]) {
5815         if (button != [sheet cancelButtonIndex]) {
5816             Package *version([versions_ objectAtIndex:button]);
5817             if (IsWildcat_)
5818                 [self performSelector:@selector(_clickButtonWithPackage:) withObject:version afterDelay:0];
5819             else
5820                 [self _clickButtonWithPackage:version];
5821         }
5822
5823         [sheet dismissWithClickedButtonIndex:button animated:YES];
5824     }
5825 }
5826
5827 - (bool) _allowJavaScriptPanel {
5828     return commercial_;
5829 }
5830
5831 #if !AlwaysReload
5832 - (void) _customButtonClicked {
5833     if (commercial_ && self.isLoading && [package_ uninstalled])
5834         return [self reloadURLWithCache:NO];
5835
5836     size_t count(buttons_.size());
5837     if (count == 0)
5838         return;
5839
5840     if (count == 1)
5841         [self _clickButtonWithName:buttons_[0].first];
5842     else {
5843         NSMutableArray *buttons = [NSMutableArray arrayWithCapacity:count];
5844         for (const auto &button : buttons_)
5845             [buttons addObject:button.second];
5846
5847         sheet_ = [[[UIActionSheet alloc]
5848             initWithTitle:nil
5849             delegate:self
5850             cancelButtonTitle:nil
5851             destructiveButtonTitle:nil
5852             otherButtonTitles:nil
5853         ] autorelease];
5854
5855         for (NSString *button in buttons)
5856             [sheet_ addButtonWithTitle:button];
5857         [sheet_ setContext:@"modify"];
5858
5859         [self.delegate showActionSheet:sheet_ fromItem:[[self navigationItem] rightBarButtonItem]];
5860     }
5861 }
5862
5863 - (void) applyLoadingTitle {
5864     // Don't show "Loading" as the title. Ever.
5865 }
5866
5867 - (UIBarButtonItem *) rightButton {
5868     return button_;
5869 }
5870 #endif
5871
5872 - (void) setPageColor:(UIColor *)color {
5873     return [super setPageColor:nil];
5874 }
5875
5876 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name withReferrer:(NSString *)referrer {
5877     if ((self = [super init]) != nil) {
5878         database_ = database;
5879         name_ = name == nil ? @"" : [NSString stringWithString:name];
5880         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/package/%@", UI_, (id) name_]] withReferrer:referrer];
5881     } return self;
5882 }
5883
5884 - (void) reloadData {
5885     [super reloadData];
5886
5887     [sheet_ dismissWithClickedButtonIndex:[sheet_ cancelButtonIndex] animated:YES];
5888     sheet_ = nil;
5889
5890     package_ = [database_ packageWithName:name_];
5891     versions_ = [package_ downgrades];
5892
5893     buttons_.clear();
5894
5895     if (package_ != nil) {
5896         [(Package *) package_ parse];
5897
5898         commercial_ = [package_ isCommercial];
5899
5900         if ([package_ mode] != nil)
5901             buttons_.push_back(std::make_pair(@"CLEAR", UCLocalize("CLEAR")));
5902         if ([package_ source] == nil);
5903         else if ([package_ upgradableAndEssential:NO])
5904             buttons_.push_back(std::make_pair(@"UPGRADE", UCLocalize("UPGRADE")));
5905         else if ([package_ uninstalled])
5906             buttons_.push_back(std::make_pair(@"INSTALL", UCLocalize("INSTALL")));
5907         else
5908             buttons_.push_back(std::make_pair(@"REINSTALL", UCLocalize("REINSTALL")));
5909         if (![package_ uninstalled])
5910             buttons_.push_back(std::make_pair(@"REMOVE", UCLocalize("REMOVE")));
5911         if ([versions_ count] != 0)
5912             buttons_.push_back(std::make_pair(@"DOWNGRADE", UCLocalize("DOWNGRADE")));
5913     }
5914
5915     NSString *title;
5916     switch (buttons_.size()) {
5917         case 0: title = nil; break;
5918         case 1: title = buttons_[0].second; break;
5919         default: title = UCLocalize("MODIFY"); break;
5920     }
5921
5922     button_ = [[[UIBarButtonItem alloc]
5923         initWithTitle:title
5924         style:UIBarButtonItemStylePlain
5925         target:self
5926         action:@selector(customButtonClicked)
5927     ] autorelease];
5928 }
5929
5930 - (bool) isLoading {
5931     return commercial_ ? [super isLoading] : false;
5932 }
5933
5934 @end
5935 /* }}} */
5936
5937 /* Package List Controller {{{ */
5938 @interface PackageListController : CyteListController <
5939     UITableViewDataSource,
5940     UITableViewDelegate
5941 > {
5942     _transient Database *database_;
5943     unsigned era_;
5944     _H<NSArray> packages_;
5945     _H<NSArray> sections_;
5946
5947     _H<NSArray> thumbs_;
5948     std::vector<NSInteger> offset_;
5949
5950     unsigned reloading_;
5951 }
5952
5953 - (id) initWithDatabase:(Database *)database title:(NSString *)title;
5954
5955 - (NSArray *) sectionsForPackages:(NSMutableArray *)packages;
5956
5957 @end
5958
5959 @implementation PackageListController
5960
5961 - (NSURL *) referrerURL {
5962     return [self navigationURL];
5963 }
5964
5965 - (bool) isSummarized {
5966     return false;
5967 }
5968
5969 - (bool) showsSections {
5970     return true;
5971 }
5972
5973 - (void) didSelectPackage:(Package *)package {
5974     CYPackageController *view([[[CYPackageController alloc] initWithDatabase:database_ forPackage:[package id] withReferrer:[[self referrerURL] absoluteString]] autorelease]);
5975     [view setDelegate:self.delegate];
5976     [[self navigationController] pushViewController:view animated:YES];
5977 }
5978
5979 - (NSInteger) numberOfSectionsInTableView:(UITableView *)list {
5980     NSInteger count([sections_ count]);
5981     return count == 0 ? 1 : count;
5982 }
5983
5984 - (NSString *) tableView:(UITableView *)list titleForHeaderInSection:(NSInteger)section {
5985     if ([sections_ count] == 0 || [[sections_ objectAtIndex:section] count] == 0)
5986         return nil;
5987     return [[sections_ objectAtIndex:section] name];
5988 }
5989
5990 - (NSInteger) tableView:(UITableView *)list numberOfRowsInSection:(NSInteger)section {
5991     if ([sections_ count] == 0)
5992         return 0;
5993     return [[sections_ objectAtIndex:section] count];
5994 }
5995
5996 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
5997 @synchronized (database_) {
5998     if ([database_ era] != era_)
5999         return nil;
6000
6001     Section *section([sections_ objectAtIndex:[path section]]);
6002     NSInteger row([path row]);
6003     Package *package([packages_ objectAtIndex:([section row] + row)]);
6004     return [[package retain] autorelease];
6005 } }
6006
6007 - (UITableViewCell *) tableView:(UITableView *)table cellForRowAtIndexPath:(NSIndexPath *)path {
6008     PackageCell *cell((PackageCell *) [table dequeueReusableCellWithIdentifier:@"Package"]);
6009     if (cell == nil)
6010         cell = [[[PackageCell alloc] init] autorelease];
6011
6012     Package *package([database_ packageWithName:[[self packageAtIndexPath:path] id]]);
6013     [cell setPackage:package asSummary:[self isSummarized]];
6014     return cell;
6015 }
6016
6017 - (void) tableView:(UITableView *)table didSelectRowAtIndexPath:(NSIndexPath *)path {
6018     Package *package([self packageAtIndexPath:path]);
6019     package = [database_ packageWithName:[package id]];
6020     [self didSelectPackage:package];
6021 }
6022
6023 - (NSArray *) sectionIndexTitlesForTableView:(UITableView *)tableView {
6024     return thumbs_;
6025 }
6026
6027 - (NSInteger) tableView:(UITableView *)tableView sectionForSectionIndexTitle:(NSString *)title atIndex:(NSInteger)index {
6028     return offset_[index];
6029 }
6030
6031 - (CGFloat) rowHeight {
6032     return [self isSummarized] ? 38 : 73;
6033 }
6034
6035 - (id) initWithDatabase:(Database *)database title:(NSString *)title {
6036     if ((self = [super initWithTitle:title]) != nil) {
6037         database_ = database;
6038     } return self;
6039 }
6040
6041 - (void) releaseSubviews {
6042     packages_ = nil;
6043     sections_ = nil;
6044
6045     thumbs_ = nil;
6046     offset_.clear();
6047
6048     [super releaseSubviews];
6049 }
6050
6051 - (bool) shouldBlock {
6052     return false;
6053 }
6054
6055 - (NSMutableArray *) _reloadPackages {
6056 @synchronized (database_) {
6057     era_ = [database_ era];
6058     NSArray *packages([database_ packages]);
6059
6060     return [NSMutableArray arrayWithArray:packages];
6061 } }
6062
6063 - (void) _reloadData {
6064     if (reloading_ != 0) {
6065         reloading_ = 2;
6066         return;
6067     }
6068
6069     NSMutableArray *packages;
6070
6071   reload:
6072     if ([self shouldYield]) {
6073         do {
6074             UIProgressHUD *hud;
6075
6076             if (![self shouldBlock])
6077                 hud = nil;
6078             else {
6079                 hud = [self.delegate addProgressHUD];
6080                 [hud setText:UCLocalize("LOADING")];
6081             }
6082
6083             reloading_ = 1;
6084             packages = [self yieldToSelector:@selector(_reloadPackages)];
6085
6086             if (hud != nil)
6087                 [self.delegate removeProgressHUD:hud];
6088         } while (reloading_ == 2);
6089     } else {
6090         packages = [self _reloadPackages];
6091     }
6092
6093 @synchronized (database_) {
6094     if (era_ != [database_ era])
6095         goto reload;
6096     reloading_ = 0;
6097
6098     thumbs_ = nil;
6099     offset_.clear();
6100
6101     packages_ = packages;
6102
6103     if ([self showsSections])
6104         sections_ = [self sectionsForPackages:packages];
6105     else {
6106         Section *section([[[Section alloc] initWithName:nil row:0 localize:NO] autorelease]);
6107         [section setCount:[packages_ count]];
6108         sections_ = [NSArray arrayWithObject:section];
6109     }
6110
6111     [super _reloadData];
6112 }
6113
6114     PrintTimes();
6115 }
6116
6117 - (NSArray *) sectionsForPackages:(NSMutableArray *)packages {
6118     Section *prefix([[[Section alloc] initWithName:nil row:0 localize:NO] autorelease]);
6119     size_t end([packages count]);
6120
6121     NSMutableArray *sections([NSMutableArray arrayWithCapacity:16]);
6122     Section *section(prefix);
6123
6124     thumbs_ = CollationThumbs_;
6125     offset_ = CollationOffset_;
6126
6127     size_t offset(0);
6128     size_t offsets([CollationStarts_ count]);
6129
6130     NSString *start([CollationStarts_ objectAtIndex:offset]);
6131     size_t length([start length]);
6132
6133     for (size_t index(0); index != end; ++index) {
6134         if (start != nil) {
6135             Package *package([packages objectAtIndex:index]);
6136             NSString *name(PackageName(package, @selector(cyname)));
6137
6138             //while ([start compare:name options:NSNumericSearch range:NSMakeRange(0, length) locale:CollationLocale_] != NSOrderedDescending) {
6139             while (StringNameCompare(start, name, length) != kCFCompareGreaterThan) {
6140                 NSString *title([CollationTitles_ objectAtIndex:offset]);
6141                 section = [[[Section alloc] initWithName:title row:index localize:NO] autorelease];
6142                 [sections addObject:section];
6143
6144                 start = ++offset == offsets ? nil : [CollationStarts_ objectAtIndex:offset];
6145                 if (start == nil)
6146                     break;
6147                 length = [start length];
6148             }
6149         }
6150
6151         [section addToCount];
6152     }
6153
6154     for (; offset != offsets; ++offset) {
6155         NSString *title([CollationTitles_ objectAtIndex:offset]);
6156         Section *section([[[Section alloc] initWithName:title row:end localize:NO] autorelease]);
6157         [sections addObject:section];
6158     }
6159
6160     if ([prefix count] != 0) {
6161         Section *suffix([sections lastObject]);
6162         [prefix setName:[suffix name]];
6163         [suffix setName:nil];
6164         [sections insertObject:prefix atIndex:(offsets - 1)];
6165     }
6166
6167     return sections;
6168 }
6169
6170 @end
6171 /* }}} */
6172 /* Filtered Package List Controller {{{ */
6173 typedef Function<bool, Package *> PackageFilter;
6174 typedef Function<void, NSMutableArray *> PackageSorter;
6175 @interface FilteredPackageListController : PackageListController {
6176     PackageFilter filter_;
6177     PackageSorter sorter_;
6178 }
6179
6180 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(PackageFilter)filter;
6181
6182 - (void) setFilter:(PackageFilter)filter;
6183 - (void) setSorter:(PackageSorter)sorter;
6184
6185 @end
6186
6187 @implementation FilteredPackageListController
6188
6189 - (void) setFilter:(PackageFilter)filter {
6190 @synchronized (self) {
6191     filter_ = filter;
6192 } }
6193
6194 - (void) setSorter:(PackageSorter)sorter {
6195 @synchronized (self) {
6196     sorter_ = sorter;
6197 } }
6198
6199 - (NSMutableArray *) _reloadPackages {
6200 @synchronized (database_) {
6201     era_ = [database_ era];
6202
6203     NSArray *packages([database_ packages]);
6204     NSMutableArray *filtered([NSMutableArray arrayWithCapacity:[packages count]]);
6205
6206     PackageFilter filter;
6207     PackageSorter sorter;
6208
6209     @synchronized (self) {
6210         filter = filter_;
6211         sorter = sorter_;
6212     }
6213
6214     _profile(PackageTable$reloadData$Filter)
6215         for (Package *package in packages)
6216             if (filter(package))
6217                 [filtered addObject:package];
6218     _end
6219
6220     if (sorter)
6221         sorter(filtered);
6222     return filtered;
6223 } }
6224
6225 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(PackageFilter)filter {
6226     if ((self = [super initWithDatabase:database title:title]) != nil) {
6227         [self setFilter:filter];
6228     } return self;
6229 }
6230
6231 @end
6232 /* }}} */
6233
6234 /* Home Controller {{{ */
6235 @interface HomeController : CydiaWebViewController {
6236     CFRunLoopRef runloop_;
6237     SCNetworkReachabilityRef reachability_;
6238 }
6239
6240 @end
6241
6242 @implementation HomeController
6243
6244 static void HomeControllerReachabilityCallback(SCNetworkReachabilityRef reachability, SCNetworkReachabilityFlags flags, void *info) {
6245     [(HomeController *) info dispatchEvent:@"CydiaReachabilityCallback"];
6246 }
6247
6248 - (id) init {
6249     if ((self = [super init]) != nil) {
6250         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/home/", UI_]]];
6251         [self reloadData];
6252
6253         reachability_ = SCNetworkReachabilityCreateWithName(kCFAllocatorDefault, "cydia.saurik.com");
6254         if (reachability_ != NULL) {
6255             SCNetworkReachabilityContext context = {0, self, NULL, NULL, NULL};
6256             SCNetworkReachabilitySetCallback(reachability_, HomeControllerReachabilityCallback, &context);
6257
6258             CFRunLoopRef runloop(CFRunLoopGetCurrent());
6259             if (SCNetworkReachabilityScheduleWithRunLoop(reachability_, runloop, kCFRunLoopDefaultMode))
6260                 runloop_ = runloop;
6261         }
6262     } return self;
6263 }
6264
6265 - (void) dealloc {
6266     if (reachability_ != NULL && runloop_ != NULL)
6267         SCNetworkReachabilityUnscheduleFromRunLoop(reachability_, runloop_, kCFRunLoopDefaultMode);
6268     [super dealloc];
6269 }
6270
6271 - (NSURL *) navigationURL {
6272     return [NSURL URLWithString:@"cydia://home"];
6273 }
6274
6275 - (void) aboutButtonClicked {
6276     UIAlertView *alert([[[UIAlertView alloc] init] autorelease]);
6277
6278     [alert setTitle:UCLocalize("ABOUT_CYDIA")];
6279     [alert addButtonWithTitle:UCLocalize("CLOSE")];
6280     [alert setCancelButtonIndex:0];
6281
6282     [alert setMessage:
6283         @"Copyright \u00a9 2008-2015\n"
6284         "SaurikIT, LLC\n"
6285         "\n"
6286         "Jay Freeman (saurik)\n"
6287         "saurik@saurik.com\n"
6288         "http://www.saurik.com/"
6289     ];
6290
6291     [alert show];
6292 }
6293
6294 - (UIBarButtonItem *) leftButton {
6295     return [[[UIBarButtonItem alloc]
6296         initWithTitle:UCLocalize("ABOUT")
6297         style:UIBarButtonItemStylePlain
6298         target:self
6299         action:@selector(aboutButtonClicked)
6300     ] autorelease];
6301 }
6302
6303 @end
6304 /* }}} */
6305
6306 /* Cydia Tab Bar Controller {{{ */
6307 @interface CydiaTabBarController : CyteTabBarController <
6308     UITabBarControllerDelegate,
6309     FetchDelegate
6310 > {
6311     _transient Database *database_;
6312
6313     _H<UIActivityIndicatorView> indicator_;
6314
6315     bool updating_;
6316     // XXX: ok, "updatedelegate_"?...
6317     _transient NSObject<CydiaDelegate> *updatedelegate_;
6318 }
6319
6320 - (void) beginUpdate;
6321 - (BOOL) updating;
6322
6323 @end
6324
6325 @implementation CydiaTabBarController
6326
6327 - (id) initWithDatabase:(Database *)database {
6328     if ((self = [super init]) != nil) {
6329         database_ = database;
6330         [self setDelegate:self];
6331
6332         indicator_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteTiny] autorelease];
6333         [indicator_ setOrigin:CGPointMake(kCFCoreFoundationVersionNumber >= 800 ? 2 : 4, 2)];
6334
6335         [[self view] setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6336     } return self;
6337 }
6338
6339 - (void) beginUpdate {
6340     if (updating_)
6341         return;
6342
6343     UIViewController *controller([[self viewControllers] objectAtIndex:1]);
6344     UITabBarItem *item([controller tabBarItem]);
6345
6346     [item setBadgeValue:@""];
6347     UIView *badge(MSHookIvar<UIView *>([item view], "_badge"));
6348
6349     [indicator_ startAnimating];
6350     [badge addSubview:indicator_];
6351
6352     [updatedelegate_ retainNetworkActivityIndicator];
6353     updating_ = true;
6354
6355     [NSThread
6356         detachNewThreadSelector:@selector(performUpdate)
6357         toTarget:self
6358         withObject:nil
6359     ];
6360 }
6361
6362 - (void) performUpdate {
6363     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
6364
6365     SourceStatus status(self, database_);
6366     [database_ updateWithStatus:status];
6367
6368     [self
6369         performSelectorOnMainThread:@selector(completeUpdate)
6370         withObject:nil
6371         waitUntilDone:NO
6372     ];
6373
6374     [pool release];
6375 }
6376
6377 - (void) stopUpdateWithSelector:(SEL)selector {
6378     updating_ = false;
6379     [updatedelegate_ releaseNetworkActivityIndicator];
6380
6381     UIViewController *controller([[self viewControllers] objectAtIndex:1]);
6382     [[controller tabBarItem] setBadgeValue:nil];
6383
6384     [indicator_ removeFromSuperview];
6385     [indicator_ stopAnimating];
6386
6387     [updatedelegate_ performSelector:selector withObject:nil afterDelay:0];
6388 }
6389
6390 - (void) completeUpdate {
6391     if (!updating_)
6392         return;
6393     [self stopUpdateWithSelector:@selector(reloadData)];
6394 }
6395
6396 - (void) cancelUpdate {
6397     [self stopUpdateWithSelector:@selector(updateDataAndLoad)];
6398 }
6399
6400 - (void) cancelPressed {
6401     [self cancelUpdate];
6402 }
6403
6404 - (BOOL) updating {
6405     return updating_;
6406 }
6407
6408 - (bool) isSourceCancelled {
6409     return !updating_;
6410 }
6411
6412 - (void) startSourceFetch:(NSString *)uri {
6413 }
6414
6415 - (void) stopSourceFetch:(NSString *)uri {
6416 }
6417
6418 - (void) setUpdateDelegate:(id)delegate {
6419     updatedelegate_ = delegate;
6420 }
6421
6422 @end
6423 /* }}} */
6424
6425 /* Cydia:// Protocol {{{ */
6426 @interface CydiaURLProtocol : CyteURLProtocol {
6427 }
6428
6429 @end
6430
6431 @implementation CydiaURLProtocol
6432
6433 + (NSString *) scheme {
6434     return @"cydia";
6435 }
6436
6437 - (bool) loadForPath:(NSString *)path ofRequest:(NSURLRequest *)request {
6438     NSRange slash([path rangeOfString:@"/"]);
6439
6440     NSString *command;
6441     if (slash.location == NSNotFound) {
6442         command = path;
6443         path = nil;
6444     } else {
6445         command = [path substringToIndex:slash.location];
6446         path = [path substringFromIndex:(slash.location + 1)];
6447     }
6448
6449     Database *database([Database sharedInstance]);
6450
6451     if (false);
6452     else if ([command isEqualToString:@"application-icon"]) {
6453         if (path == nil)
6454             goto fail;
6455         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
6456
6457         UIImage *icon(nil);
6458
6459         if (icon == nil && $SBSCopyIconImagePNGDataForDisplayIdentifier != NULL) {
6460             NSData *data([$SBSCopyIconImagePNGDataForDisplayIdentifier(path) autorelease]);
6461             icon = [UIImage imageWithData:data];
6462         }
6463
6464         if (icon == nil)
6465             if (NSString *file = SBSCopyIconImagePathForDisplayIdentifier(path))
6466                 icon = [UIImage imageAtPath:file];
6467
6468         if (icon == nil)
6469             icon = [UIImage imageNamed:@"unknown.png"];
6470
6471         [self _returnPNGWithImage:icon forRequest:request];
6472     } else if ([command isEqualToString:@"package-icon"]) {
6473         if (path == nil)
6474             goto fail;
6475         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
6476         Package *package([database packageWithName:path]);
6477         if (package == nil)
6478             goto fail;
6479         [package parse];
6480         UIImage *icon([package icon]);
6481         [self _returnPNGWithImage:icon forRequest:request];
6482     } else if ([command isEqualToString:@"uikit-image"]) {
6483         if (path == nil)
6484             goto fail;
6485         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
6486         UIImage *icon(_UIImageWithName(path));
6487         [self _returnPNGWithImage:icon forRequest:request];
6488     } else if ([command isEqualToString:@"section-icon"]) {
6489         if (path == nil)
6490             goto fail;
6491         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
6492         UIImage *icon([UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, [path stringByReplacingOccurrencesOfString:@" " withString:@"_"]]]);
6493         if (icon == nil)
6494             icon = [UIImage imageNamed:@"unknown.png"];
6495         [self _returnPNGWithImage:icon forRequest:request];
6496     } else fail: {
6497         return [super loadForPath:path ofRequest:request];
6498     }
6499
6500     return true;
6501 }
6502
6503 @end
6504 /* }}} */
6505
6506 /* Section Controller {{{ */
6507 @interface SectionController : FilteredPackageListController {
6508     _H<NSString> key_;
6509     _H<NSString> section_;
6510 }
6511
6512 - (id) initWithDatabase:(Database *)database source:(Source *)source section:(NSString *)section;
6513
6514 @end
6515
6516 @implementation SectionController
6517
6518 - (NSURL *) referrerURL {
6519     NSString *name(section_);
6520     name = name ?: @"*";
6521     NSString *key(key_);
6522     key = key ?: @"*";
6523     return [NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/sections/%@/%@", UI_, [key stringByAddingPercentEscapesIncludingReserved], [name stringByAddingPercentEscapesIncludingReserved]]];
6524 }
6525
6526 - (NSURL *) navigationURL {
6527     NSString *name(section_);
6528     name = name ?: @"*";
6529     NSString *key(key_);
6530     key = key ?: @"*";
6531     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sections/%@/%@", [key stringByAddingPercentEscapesIncludingReserved], [name stringByAddingPercentEscapesIncludingReserved]]];
6532 }
6533
6534 - (id) initWithDatabase:(Database *)database source:(Source *)source section:(NSString *)section {
6535     NSString *title;
6536     if (section == nil)
6537         title = UCLocalize("ALL_PACKAGES");
6538     else if (![section isEqual:@""])
6539         title = [[NSBundle mainBundle] localizedStringForKey:Simplify(section) value:nil table:@"Sections"];
6540     else
6541         title = UCLocalize("NO_SECTION");
6542
6543     if ((self = [super initWithDatabase:database title:title]) != nil) {
6544         key_ = [source key];
6545         section_ = section;
6546     } return self;
6547 }
6548
6549 - (void) reloadData {
6550     Source *source([database_ sourceWithKey:key_]);
6551     _H<NSString> name(section_);
6552
6553     [self setFilter:[=](Package *package) {
6554         NSString *section([package section]);
6555
6556         return (
6557             name == nil ||
6558             section == nil && [name length] == 0 ||
6559             [name isEqualToString:section]
6560         ) && (
6561             source == nil ||
6562             [package source] == source
6563         ) && [package visible];
6564     }];
6565
6566     [super reloadData];
6567 }
6568
6569 @end
6570 /* }}} */
6571 /* Sections Controller {{{ */
6572 @interface SectionsController : CyteViewController <
6573     UITableViewDataSource,
6574     UITableViewDelegate
6575 > {
6576     _transient Database *database_;
6577     _H<NSString> key_;
6578     _H<NSMutableArray> sections_;
6579     _H<NSMutableArray> filtered_;
6580     _H<UITableView, 2> list_;
6581 }
6582
6583 - (id) initWithDatabase:(Database *)database source:(Source *)source;
6584 - (void) editButtonClicked;
6585
6586 @end
6587
6588 @implementation SectionsController
6589
6590 - (NSURL *) navigationURL {
6591     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sources/%@", [key_ stringByAddingPercentEscapesIncludingReserved]]];
6592 }
6593
6594 - (Source *) source {
6595     if (key_ == nil)
6596         return nil;
6597     return [database_ sourceWithKey:key_];
6598 }
6599
6600 - (void) updateNavigationItem {
6601     [[self navigationItem] setTitle:[self isEditing] ? UCLocalize("SECTION_VISIBILITY") : UCLocalize("SECTIONS")];
6602     if ([sections_ count] == 0) {
6603         [[self navigationItem] setRightBarButtonItem:nil];
6604     } else {
6605         [[self navigationItem] setRightBarButtonItem:[[UIBarButtonItem alloc]
6606             initWithBarButtonSystemItem:([self isEditing] ? UIBarButtonSystemItemDone : UIBarButtonSystemItemEdit)
6607             target:self
6608             action:@selector(editButtonClicked)
6609         ] animated:([[self navigationItem] rightBarButtonItem] != nil)];
6610     }
6611 }
6612
6613 - (void) setEditing:(BOOL)editing animated:(BOOL)animated {
6614     [super setEditing:editing animated:animated];
6615
6616     if (editing)
6617         [list_ reloadData];
6618     else
6619         [self.delegate updateData];
6620
6621     [self updateNavigationItem];
6622 }
6623
6624 - (void) viewDidAppear:(BOOL)animated {
6625     [super viewDidAppear:animated];
6626     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
6627 }
6628
6629 - (void) viewWillDisappear:(BOOL)animated {
6630     [super viewWillDisappear:animated];
6631     [self setEditing:NO];
6632 }
6633
6634 - (Section *) sectionAtIndexPath:(NSIndexPath *)indexPath {
6635     Section *section = nil;
6636     int index = [indexPath row];
6637     if (![self isEditing]) {
6638         index -= 1;
6639         if (index >= 0)
6640             section = [filtered_ objectAtIndex:index];
6641     } else {
6642         section = [sections_ objectAtIndex:index];
6643     }
6644     return section;
6645 }
6646
6647 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
6648     if ([self isEditing])
6649         return [sections_ count];
6650     else
6651         return [filtered_ count] + 1;
6652 }
6653
6654 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
6655     return 45.0f;
6656 }*/
6657
6658 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
6659     static NSString *reuseIdentifier = @"SectionCell";
6660
6661     SectionCell *cell = (SectionCell *)[tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
6662     if (cell == nil)
6663         cell = [[[SectionCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
6664
6665     [cell setSection:[self sectionAtIndexPath:indexPath] editing:[self isEditing]];
6666
6667     return cell;
6668 }
6669
6670 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
6671     if ([self isEditing])
6672         return;
6673
6674     Section *section = [self sectionAtIndexPath:indexPath];
6675
6676     SectionController *controller = [[[SectionController alloc]
6677         initWithDatabase:database_
6678         source:[self source]
6679         section:[section name]
6680     ] autorelease];
6681     [controller setDelegate:self.delegate];
6682
6683     [[self navigationController] pushViewController:controller animated:YES];
6684 }
6685
6686 - (void) loadView {
6687     list_ = [[[UITableView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease];
6688     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6689     [list_ setRowHeight:46];
6690     [(UITableView *) list_ setDataSource:self];
6691     [list_ setDelegate:self];
6692     [self setView:list_];
6693 }
6694
6695 - (void) viewDidLoad {
6696     [super viewDidLoad];
6697
6698     [[self navigationItem] setTitle:UCLocalize("SECTIONS")];
6699 }
6700
6701 - (void) releaseSubviews {
6702     list_ = nil;
6703
6704     sections_ = nil;
6705     filtered_ = nil;
6706
6707     [super releaseSubviews];
6708 }
6709
6710 - (id) initWithDatabase:(Database *)database source:(Source *)source {
6711     if ((self = [super init]) != nil) {
6712         database_ = database;
6713         key_ = [source key];
6714     } return self;
6715 }
6716
6717 - (void) reloadData {
6718     [super reloadData];
6719
6720     NSArray *packages = [database_ packages];
6721
6722     sections_ = [NSMutableArray arrayWithCapacity:16];
6723     filtered_ = [NSMutableArray arrayWithCapacity:16];
6724
6725     NSMutableDictionary *sections([NSMutableDictionary dictionaryWithCapacity:32]);
6726
6727     Source *source([self source]);
6728
6729     _trace();
6730     for (Package *package in packages) {
6731         if (source != nil && [package source] != source)
6732             continue;
6733
6734         NSString *name([package section]);
6735         NSString *key(name == nil ? @"" : name);
6736
6737         Section *section;
6738
6739         _profile(SectionsView$reloadData$Section)
6740             section = [sections objectForKey:key];
6741             if (section == nil) {
6742                 _profile(SectionsView$reloadData$Section$Allocate)
6743                     section = [[[Section alloc] initWithName:key localize:YES] autorelease];
6744                     [sections setObject:section forKey:key];
6745                 _end
6746             }
6747         _end
6748
6749         [section addToCount];
6750
6751         _profile(SectionsView$reloadData$Filter)
6752             if (![package visible])
6753                 continue;
6754         _end
6755
6756         [section addToRow];
6757     }
6758     _trace();
6759
6760     [sections_ addObjectsFromArray:[sections allValues]];
6761
6762     [sections_ sortUsingSelector:@selector(compareByLocalized:)];
6763
6764     for (Section *section in (id) sections_) {
6765         size_t count([section row]);
6766         if (count == 0)
6767             continue;
6768
6769         section = [[[Section alloc] initWithName:[section name] localized:[section localized]] autorelease];
6770         [section setCount:count];
6771         [filtered_ addObject:section];
6772     }
6773
6774     [self updateNavigationItem];
6775     [list_ reloadData];
6776     _trace();
6777 }
6778
6779 - (void) editButtonClicked {
6780     [self setEditing:![self isEditing] animated:YES];
6781 }
6782
6783 @end
6784 /* }}} */
6785
6786 /* Changes Controller {{{ */
6787 @interface ChangesController : FilteredPackageListController {
6788     unsigned upgrades_;
6789 }
6790
6791 - (id) initWithDatabase:(Database *)database;
6792
6793 @end
6794
6795 @implementation ChangesController
6796
6797 - (NSURL *) referrerURL {
6798     return [NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/changes/", UI_]];
6799 }
6800
6801 - (NSURL *) navigationURL {
6802     return [NSURL URLWithString:@"cydia://changes"];
6803 }
6804
6805 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
6806 @synchronized (database_) {
6807     if ([database_ era] != era_)
6808         return nil;
6809
6810     NSUInteger sectionIndex([path section]);
6811     if (sectionIndex >= [sections_ count])
6812         return nil;
6813     Section *section([sections_ objectAtIndex:sectionIndex]);
6814     NSInteger row([path row]);
6815     return [[[packages_ objectAtIndex:([section row] + row)] retain] autorelease];
6816 } }
6817
6818 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
6819     NSString *context([alert context]);
6820
6821     if ([context isEqualToString:@"norefresh"])
6822         [alert dismissWithClickedButtonIndex:-1 animated:YES];
6823 }
6824
6825 - (void) setLeftBarButtonItem {
6826     if ([self.delegate updating])
6827         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
6828             initWithTitle:UCLocalize("CANCEL")
6829             style:UIBarButtonItemStyleDone
6830             target:self
6831             action:@selector(cancelButtonClicked)
6832         ] autorelease] animated:YES];
6833     else
6834         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
6835             initWithTitle:UCLocalize("REFRESH")
6836             style:UIBarButtonItemStylePlain
6837             target:self
6838             action:@selector(refreshButtonClicked)
6839         ] autorelease] animated:YES];
6840 }
6841
6842 - (void) refreshButtonClicked {
6843     if ([self.delegate requestUpdate])
6844         [self setLeftBarButtonItem];
6845 }
6846
6847 - (void) cancelButtonClicked {
6848     [self.delegate cancelUpdate];
6849 }
6850
6851 - (void) upgradeButtonClicked {
6852     [self.delegate distUpgrade];
6853     [[self navigationItem] setRightBarButtonItem:nil animated:YES];
6854 }
6855
6856 - (bool) shouldYield {
6857     return true;
6858 }
6859
6860 - (bool) shouldBlock {
6861     return true;
6862 }
6863
6864 - (void) useFilter {
6865 @synchronized (self) {
6866     [self setFilter:[](Package *package) {
6867         return [package upgradableAndEssential:YES] || [package visible];
6868     }];
6869
6870     [self setSorter:[](NSMutableArray *packages) {
6871         [packages radixSortUsingFunction:reinterpret_cast<MenesRadixSortFunction>(&PackageChangesRadix) withContext:NULL];
6872     }];
6873 } }
6874
6875 - (id) initWithDatabase:(Database *)database {
6876     if ((self = [super initWithDatabase:database title:UCLocalize("CHANGES")]) != nil) {
6877         [self useFilter];
6878     } return self;
6879 }
6880
6881 - (void) viewDidLoad {
6882     [super viewDidLoad];
6883     [self setLeftBarButtonItem];
6884 }
6885
6886 - (void) viewWillAppear:(BOOL)animated {
6887     [super viewWillAppear:animated];
6888     [self setLeftBarButtonItem];
6889 }
6890
6891 - (void) reloadData {
6892     [self setLeftBarButtonItem];
6893     [super reloadData];
6894 }
6895
6896 - (NSArray *) sectionsForPackages:(NSMutableArray *)packages {
6897     NSMutableArray *sections([NSMutableArray arrayWithCapacity:16]);
6898
6899     Section *upgradable = [[[Section alloc] initWithName:UCLocalize("AVAILABLE_UPGRADES") localize:NO] autorelease];
6900     Section *ignored = nil;
6901     Section *section = nil;
6902     time_t last = 0;
6903
6904     upgrades_ = 0;
6905     bool unseens = false;
6906
6907     CFDateFormatterRef formatter(CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle));
6908
6909     for (size_t offset = 0, count = [packages count]; offset != count; ++offset) {
6910         Package *package = [packages objectAtIndex:offset];
6911
6912         BOOL uae = [package upgradableAndEssential:YES];
6913
6914         if (!uae) {
6915             unseens = true;
6916             time_t seen([package seen]);
6917
6918             if (section == nil || last != seen) {
6919                 last = seen;
6920
6921                 NSString *name;
6922                 name = (NSString *) CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) [NSDate dateWithTimeIntervalSince1970:seen]);
6923                 [name autorelease];
6924
6925                 _profile(ChangesController$reloadData$Allocate)
6926                     name = [NSString stringWithFormat:UCLocalize("NEW_AT"), name];
6927                     section = [[[Section alloc] initWithName:name row:offset localize:NO] autorelease];
6928                     [sections addObject:section];
6929                 _end
6930             }
6931
6932             [section addToCount];
6933         } else if ([package ignored]) {
6934             if (ignored == nil) {
6935                 ignored = [[[Section alloc] initWithName:UCLocalize("IGNORED_UPGRADES") row:offset localize:NO] autorelease];
6936             }
6937             [ignored addToCount];
6938         } else {
6939             ++upgrades_;
6940             [upgradable addToCount];
6941         }
6942     }
6943     _trace();
6944
6945     CFRelease(formatter);
6946
6947     if (unseens) {
6948         Section *last = [sections lastObject];
6949         size_t count = [last count];
6950         [packages removeObjectsInRange:NSMakeRange([packages count] - count, count)];
6951         [sections removeLastObject];
6952     }
6953
6954     if ([ignored count] != 0)
6955         [sections insertObject:ignored atIndex:0];
6956     if (upgrades_ != 0)
6957         [sections insertObject:upgradable atIndex:0];
6958
6959     [[self navigationItem] setRightBarButtonItem:(upgrades_ == 0 ? nil : [[[UIBarButtonItem alloc]
6960         initWithTitle:[NSString stringWithFormat:UCLocalize("PARENTHETICAL"), UCLocalize("UPGRADE"), [NSString stringWithFormat:@"%u", upgrades_]]
6961         style:UIBarButtonItemStylePlain
6962         target:self
6963         action:@selector(upgradeButtonClicked)
6964     ] autorelease]) animated:YES];
6965
6966     return sections;
6967 }
6968
6969 @end
6970 /* }}} */
6971 /* Search Controller {{{ */
6972 @interface SearchController : FilteredPackageListController <
6973     UISearchBarDelegate
6974 > {
6975     _H<UISearchBar, 1> search_;
6976     BOOL searchloaded_;
6977     bool summary_;
6978 }
6979
6980 - (id) initWithDatabase:(Database *)database query:(NSString *)query;
6981 - (void) reloadData;
6982
6983 @end
6984
6985 @implementation SearchController
6986
6987 - (NSURL *) referrerURL {
6988     return [NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/search?q=%@", UI_, [([search_ text] ?: @"") stringByAddingPercentEscapesIncludingReserved]]];
6989 }
6990
6991 - (NSURL *) navigationURL {
6992     if ([search_ text] == nil || [[search_ text] isEqualToString:@""])
6993         return [NSURL URLWithString:@"cydia://search"];
6994     else
6995         return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://search/%@", [[search_ text] stringByAddingPercentEscapesIncludingReserved]]];
6996 }
6997
6998 - (NSArray *) termsForQuery:(NSString *)query {
6999     NSMutableArray *terms([NSMutableArray arrayWithCapacity:2]);
7000     for (NSString *component in [query componentsSeparatedByString:@" "])
7001         if ([component length] != 0)
7002             [terms addObject:component];
7003
7004     return terms;
7005 }
7006
7007 - (void) useSearch {
7008     _H<NSArray> query([self termsForQuery:[search_ text]]);
7009     summary_ = false;
7010
7011 @synchronized (self) {
7012     [self setFilter:[=](Package *package) {
7013         if (![package unfiltered])
7014             return false;
7015         if (![package matches:query])
7016             return false;
7017         return true;
7018     }];
7019
7020     [self setSorter:[](NSMutableArray *packages) {
7021         [packages radixSortUsingSelector:@selector(rank)];
7022     }];
7023 }
7024
7025     [self clearData];
7026     [self reloadData];
7027 }
7028
7029 - (void) usePrefix:(NSString *)prefix {
7030     _H<NSString> query(prefix);
7031     summary_ = true;
7032
7033 @synchronized (self) {
7034     [self setFilter:[=](Package *package) {
7035         if ([query length] == 0)
7036             return false;
7037         if (![package unfiltered])
7038             return false;
7039         if ([[package name] compare:query options:MatchCompareOptions_ range:NSMakeRange(0, [query length])] != NSOrderedSame)
7040             return false;
7041         return true;
7042     }];
7043
7044     [self setSorter:nullptr];
7045 }
7046
7047     [self reloadData];
7048 }
7049
7050 - (void) searchBarTextDidBeginEditing:(UISearchBar *)searchBar {
7051     [self clearData];
7052     [self usePrefix:[search_ text]];
7053 }
7054
7055 - (void) searchBarButtonClicked:(UISearchBar *)searchBar {
7056     [search_ resignFirstResponder];
7057     [self useSearch];
7058 }
7059
7060 - (void) searchBarCancelButtonClicked:(UISearchBar *)searchBar {
7061     [search_ setText:@""];
7062     [self searchBarButtonClicked:searchBar];
7063 }
7064
7065 - (void) searchBarSearchButtonClicked:(UISearchBar *)searchBar {
7066     [self searchBarButtonClicked:searchBar];
7067 }
7068
7069 - (void) searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)text {
7070     [self usePrefix:text];
7071 }
7072
7073 - (bool) shouldYield {
7074     return YES;
7075 }
7076
7077 - (bool) shouldBlock {
7078     return !summary_;
7079 }
7080
7081 - (bool) isSummarized {
7082     return summary_;
7083 }
7084
7085 - (bool) showsSections {
7086     return false;
7087 }
7088
7089 - (id) initWithDatabase:(Database *)database query:(NSString *)query {
7090     if ((self = [super initWithDatabase:database title:UCLocalize("SEARCH")])) {
7091         search_ = [[[UISearchBar alloc] init] autorelease];
7092         [search_ setPlaceholder:UCLocalize("SEARCH_EX")];
7093         [search_ setDelegate:self];
7094
7095         UITextField *textField;
7096         if ([search_ respondsToSelector:@selector(searchField)])
7097             textField = [search_ searchField];
7098         else
7099             textField = MSHookIvar<UITextField *>(search_, "_searchField");
7100
7101         [textField setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
7102         [textField setEnablesReturnKeyAutomatically:NO];
7103         [[self navigationItem] setTitleView:textField];
7104
7105         if (query != nil)
7106             [search_ setText:query];
7107         [self useSearch];
7108     } return self;
7109 }
7110
7111 - (void) viewDidAppear:(BOOL)animated {
7112     [super viewDidAppear:animated];
7113
7114     if (!searchloaded_) {
7115         searchloaded_ = YES;
7116         [search_ setFrame:CGRectMake(0, 0, [[self view] bounds].size.width, 44.0f)];
7117         [search_ layoutSubviews];
7118     }
7119
7120     if ([self isSummarized])
7121         [search_ becomeFirstResponder];
7122 }
7123
7124 - (void) reloadData {
7125     [self resetCursor];
7126     [super reloadData];
7127 }
7128
7129 - (void) didSelectPackage:(Package *)package {
7130     [search_ resignFirstResponder];
7131     [super didSelectPackage:package];
7132 }
7133
7134 @end
7135 /* }}} */
7136 /* Package Settings Controller {{{ */
7137 @interface PackageSettingsController : CyteViewController <
7138     UITableViewDataSource,
7139     UITableViewDelegate
7140 > {
7141     _transient Database *database_;
7142     _H<NSString> name_;
7143     _H<Package> package_;
7144     _H<UITableView, 2> table_;
7145     _H<UISwitch> subscribedSwitch_;
7146     _H<UISwitch> ignoredSwitch_;
7147     _H<UITableViewCell> subscribedCell_;
7148     _H<UITableViewCell> ignoredCell_;
7149 }
7150
7151 - (id) initWithDatabase:(Database *)database package:(NSString *)package;
7152
7153 @end
7154
7155 @implementation PackageSettingsController
7156
7157 - (NSURL *) navigationURL {
7158     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/settings", (id) name_]];
7159 }
7160
7161 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
7162     if (package_ == nil)
7163         return 0;
7164
7165     if ([package_ installed] == nil)
7166         return 1;
7167     else
7168         return 2;
7169 }
7170
7171 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7172     if (package_ == nil)
7173         return 0;
7174
7175     // both sections contain just one item right now.
7176     return 1;
7177 }
7178
7179 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
7180     return nil;
7181 }
7182
7183 - (NSString *) tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
7184     if (section == 0)
7185         return UCLocalize("SHOW_ALL_CHANGES_EX");
7186     else
7187         return UCLocalize("IGNORE_UPGRADES_EX");
7188 }
7189
7190 - (void) onSubscribed:(id)control {
7191     bool value([control isOn]);
7192     if (package_ == nil)
7193         return;
7194     if ([package_ setSubscribed:value])
7195         [self.delegate updateData];
7196 }
7197
7198 - (void) _updateIgnored {
7199     const char *package([name_ UTF8String]);
7200     bool on([ignoredSwitch_ isOn]);
7201
7202     FILE *dpkg(popen("/usr/libexec/cydia/cydo --set-selections", "w"));
7203     fwrite(package, strlen(package), 1, dpkg);
7204
7205     if (on)
7206         fwrite(" hold\n", 6, 1, dpkg);
7207     else
7208         fwrite(" install\n", 9, 1, dpkg);
7209
7210     pclose(dpkg);
7211 }
7212
7213 - (void) onIgnored:(id)control {
7214     NSInvocation *invocation([NSInvocation invocationWithMethodSignature:[self methodSignatureForSelector:@selector(_updateIgnored)]]);
7215     [invocation setTarget:self];
7216     [invocation setSelector:@selector(_updateIgnored)];
7217
7218     [self.delegate reloadDataWithInvocation:invocation];
7219 }
7220
7221 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7222     if (package_ == nil)
7223         return nil;
7224
7225     switch ([indexPath section]) {
7226         case 0: return subscribedCell_;
7227         case 1: return ignoredCell_;
7228
7229         _nodefault
7230     }
7231
7232     return nil;
7233 }
7234
7235 - (void) loadView {
7236     UIView *view([[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]);
7237     [view setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight)];
7238     [self setView:view];
7239
7240     table_ = [[[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped] autorelease];
7241     [table_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7242     [(UITableView *) table_ setDataSource:self];
7243     [table_ setDelegate:self];
7244     [view addSubview:table_];
7245
7246     subscribedSwitch_ = [[[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)] autorelease];
7247     [subscribedSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
7248     [subscribedSwitch_ addTarget:self action:@selector(onSubscribed:) forEvents:UIControlEventValueChanged];
7249
7250     ignoredSwitch_ = [[[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)] autorelease];
7251     [ignoredSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
7252     [ignoredSwitch_ addTarget:self action:@selector(onIgnored:) forEvents:UIControlEventValueChanged];
7253
7254     subscribedCell_ = [[[UITableViewCell alloc] init] autorelease];
7255     [subscribedCell_ setText:UCLocalize("SHOW_ALL_CHANGES")];
7256     [subscribedCell_ setAccessoryView:subscribedSwitch_];
7257     [subscribedCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
7258
7259     ignoredCell_ = [[[UITableViewCell alloc] init] autorelease];
7260     [ignoredCell_ setText:UCLocalize("IGNORE_UPGRADES")];
7261     [ignoredCell_ setAccessoryView:ignoredSwitch_];
7262     [ignoredCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
7263 }
7264
7265 - (void) viewDidLoad {
7266     [super viewDidLoad];
7267
7268     [[self navigationItem] setTitle:UCLocalize("SETTINGS")];
7269 }
7270
7271 - (void) releaseSubviews {
7272     ignoredCell_ = nil;
7273     subscribedCell_ = nil;
7274     table_ = nil;
7275     ignoredSwitch_ = nil;
7276     subscribedSwitch_ = nil;
7277
7278     [super releaseSubviews];
7279 }
7280
7281 - (id) initWithDatabase:(Database *)database package:(NSString *)package {
7282     if ((self = [super init]) != nil) {
7283         database_ = database;
7284         name_ = package;
7285     } return self;
7286 }
7287
7288 - (void) reloadData {
7289     [super reloadData];
7290
7291     package_ = [database_ packageWithName:name_];
7292
7293     if (package_ != nil) {
7294         [subscribedSwitch_ setOn:([package_ subscribed] ? 1 : 0) animated:NO];
7295         [ignoredSwitch_ setOn:([package_ ignored] ? 1 : 0) animated:NO];
7296     } // XXX: what now, G?
7297
7298     [table_ reloadData];
7299 }
7300
7301 @end
7302 /* }}} */
7303
7304 /* Installed Controller {{{ */
7305 @interface InstalledController : FilteredPackageListController {
7306     bool sectioned_;
7307 }
7308
7309 - (id) initWithDatabase:(Database *)database;
7310 - (void) queueStatusDidChange;
7311
7312 @end
7313
7314 @implementation InstalledController
7315
7316 - (NSURL *) referrerURL {
7317     return [NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/installed/", UI_]];
7318 }
7319
7320 - (NSURL *) navigationURL {
7321     return [NSURL URLWithString:@"cydia://installed"];
7322 }
7323
7324 - (void) useRecent {
7325     sectioned_ = false;
7326
7327 @synchronized (self) {
7328     [self setFilter:[](Package *package) {
7329         return ![package uninstalled] && package->role_ < 7;
7330     }];
7331
7332     [self setSorter:[](NSMutableArray *packages) {
7333         [packages radixSortUsingSelector:@selector(recent)];
7334     }];
7335 } }
7336
7337 - (void) useFilter:(UISegmentedControl *)segmented {
7338     NSInteger selected([segmented selectedSegmentIndex]);
7339     if (selected == 2)
7340         return [self useRecent];
7341     bool simple(selected == 0);
7342     sectioned_ = true;
7343
7344 @synchronized (self) {
7345     [self setFilter:[=](Package *package) {
7346         return ![package uninstalled] && package->role_ <= (simple ? 1 : 3);
7347     }];
7348
7349     [self setSorter:nullptr];
7350 } }
7351
7352 - (NSArray *) sectionsForPackages:(NSMutableArray *)packages {
7353     if (sectioned_)
7354         return [super sectionsForPackages:packages];
7355
7356     CFDateFormatterRef formatter(CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterLongStyle, kCFDateFormatterNoStyle));
7357
7358     NSMutableArray *sections([NSMutableArray arrayWithCapacity:16]);
7359     Section *section(nil);
7360     time_t last(0);
7361
7362     for (size_t offset(0), count([packages count]); offset != count; ++offset) {
7363         Package *package([packages objectAtIndex:offset]);
7364
7365         time_t upgraded([package upgraded]);
7366         if (upgraded < 1168364520)
7367             upgraded = 0;
7368         else
7369             upgraded -= upgraded % (60 * 60 * 24);
7370
7371         if (section == nil || upgraded != last) {
7372             last = upgraded;
7373
7374             NSString *name;
7375             if (upgraded == 0)
7376                 continue; // XXX: name = UCLocalize("...");
7377             else {
7378                 name = (NSString *) CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) [NSDate dateWithTimeIntervalSince1970:upgraded]);
7379                 [name autorelease];
7380             }
7381
7382             section = [[[Section alloc] initWithName:name row:offset localize:NO] autorelease];
7383             [sections addObject:section];
7384         }
7385
7386         [section addToCount];
7387     }
7388
7389     CFRelease(formatter);
7390     return sections;
7391 }
7392
7393 - (id) initWithDatabase:(Database *)database {
7394     if ((self = [super initWithDatabase:database title:UCLocalize("INSTALLED")]) != nil) {
7395         UISegmentedControl *segmented([[[UISegmentedControl alloc] initWithItems:[NSArray arrayWithObjects:UCLocalize("USER"), UCLocalize("EXPERT"), UCLocalize("RECENT"), nil]] autorelease]);
7396         [segmented setSelectedSegmentIndex:0];
7397         [segmented setSegmentedControlStyle:UISegmentedControlStyleBar];
7398         [[self navigationItem] setTitleView:segmented];
7399
7400         [segmented addTarget:self action:@selector(modeChanged:) forEvents:UIControlEventValueChanged];
7401         [self useFilter:segmented];
7402
7403         [self queueStatusDidChange];
7404     } return self;
7405 }
7406
7407 #if !AlwaysReload
7408 - (void) queueButtonClicked {
7409     [self.delegate queue];
7410 }
7411 #endif
7412
7413 - (void) queueStatusDidChange {
7414 #if !AlwaysReload
7415     if (Queuing_) {
7416         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
7417             initWithTitle:UCLocalize("QUEUE")
7418             style:UIBarButtonItemStyleDone
7419             target:self
7420             action:@selector(queueButtonClicked)
7421         ] autorelease]];
7422     } else {
7423         [[self navigationItem] setRightBarButtonItem:nil];
7424     }
7425 #endif
7426 }
7427
7428 - (void) modeChanged:(UISegmentedControl *)segmented {
7429     [self useFilter:segmented];
7430     [self reloadData];
7431 }
7432
7433 @end
7434 /* }}} */
7435
7436 /* Source Cell {{{ */
7437 @interface SourceCell : CyteTableViewCell <
7438     CyteTableViewCellDelegate,
7439     SourceDelegate
7440 > {
7441     _H<Source, 1> source_;
7442     _H<NSURL> url_;
7443     _H<UIImage> icon_;
7444     _H<NSString> origin_;
7445     _H<NSString> label_;
7446     _H<UIActivityIndicatorView> indicator_;
7447 }
7448
7449 - (void) setSource:(Source *)source;
7450 - (void) setFetch:(NSNumber *)fetch;
7451
7452 @end
7453
7454 @implementation SourceCell
7455
7456 - (void) _setImage:(NSArray *)data {
7457     if ([url_ isEqual:[data objectAtIndex:0]]) {
7458         icon_ = [data objectAtIndex:1];
7459         [self.content setNeedsDisplay];
7460     }
7461 }
7462
7463 - (void) _setSource:(NSURL *) url {
7464     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
7465
7466     if (NSData *data = [NSURLConnection
7467         sendSynchronousRequest:[NSURLRequest
7468             requestWithURL:url
7469             cachePolicy:NSURLRequestUseProtocolCachePolicy
7470             timeoutInterval:10
7471         ]
7472
7473         returningResponse:NULL
7474         error:NULL
7475     ])
7476         if (UIImage *image = [UIImage imageWithData:data])
7477             [self performSelectorOnMainThread:@selector(_setImage:) withObject:[NSArray arrayWithObjects:url, image, nil] waitUntilDone:NO];
7478
7479     [pool release];
7480 }
7481
7482 - (void) setSource:(Source *)source {
7483     source_ = source;
7484     [source_ setDelegate:self];
7485
7486     [self setFetch:[NSNumber numberWithBool:[source_ fetch]]];
7487
7488     icon_ = [UIImage imageNamed:@"unknown.png"];
7489
7490     origin_ = [source name];
7491     label_ = [source rooturi];
7492
7493     [self.content setNeedsDisplay];
7494
7495     url_ = [source iconURL];
7496     [NSThread detachNewThreadSelector:@selector(_setSource:) toTarget:self withObject:url_];
7497 }
7498
7499 - (void) setAllSource {
7500     source_ = nil;
7501     [indicator_ stopAnimating];
7502
7503     icon_ = [UIImage imageNamed:@"folder.png"];
7504     origin_ = UCLocalize("ALL_SOURCES");
7505     label_ = UCLocalize("ALL_SOURCES_EX");
7506     [self.content setNeedsDisplay];
7507 }
7508
7509 - (SourceCell *) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
7510     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
7511         [self.content setBackgroundColor:[UIColor whiteColor]];
7512         [self.content setOpaque:YES];
7513
7514         indicator_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGraySmall] autorelease];
7515         [indicator_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleTopMargin];// | UIViewAutoresizingFlexibleBottomMargin];
7516         [[self contentView] addSubview:indicator_];
7517
7518         [[self.content layer] setContentsGravity:kCAGravityTopLeft];
7519     } return self;
7520 }
7521
7522 - (void) layoutSubviews {
7523     [super layoutSubviews];
7524
7525     UIView *content([self contentView]);
7526     CGRect bounds([content bounds]);
7527
7528     CGRect frame([indicator_ frame]);
7529     frame.origin.x = bounds.size.width - frame.size.width;
7530     frame.origin.y = Retina((bounds.size.height - frame.size.height) / 2);
7531
7532     if (kCFCoreFoundationVersionNumber < 800)
7533         frame.origin.x -= 8;
7534     [indicator_ setFrame:frame];
7535 }
7536
7537 - (NSString *) accessibilityLabel {
7538     return origin_;
7539 }
7540
7541 - (void) drawContentRect:(CGRect)rect {
7542     bool highlighted(self.highlighted);
7543     float width(rect.size.width);
7544
7545     if (icon_ != nil) {
7546         CGRect rect;
7547         rect.size = [(UIImage *) icon_ size];
7548
7549         while (rect.size.width > 32 || rect.size.height > 32) {
7550             rect.size.width /= 2;
7551             rect.size.height /= 2;
7552         }
7553
7554         rect.origin.x = 26 - rect.size.width / 2;
7555         rect.origin.y = 26 - rect.size.height / 2;
7556
7557         [icon_ drawInRect:Retina(rect)];
7558     }
7559
7560     if (highlighted && kCFCoreFoundationVersionNumber < 800)
7561         UISetColor(White_);
7562
7563     if (!highlighted)
7564         UISetColor(Black_);
7565     [origin_ drawAtPoint:CGPointMake(52, 8) forWidth:(width - 49) withFont:Font18Bold_ lineBreakMode:NSLineBreakByTruncatingTail];
7566
7567     if (!highlighted)
7568         UISetColor(Gray_);
7569     [label_ drawAtPoint:CGPointMake(52, 29) forWidth:(width - 49) withFont:Font12_ lineBreakMode:NSLineBreakByTruncatingTail];
7570 }
7571
7572 - (void) setFetch:(NSNumber *)fetch {
7573     if ([fetch boolValue])
7574         [indicator_ startAnimating];
7575     else
7576         [indicator_ stopAnimating];
7577 }
7578
7579 @end
7580 /* }}} */
7581 /* Sources Controller {{{ */
7582 @interface SourcesController : CyteViewController <
7583     UITableViewDataSource,
7584     UITableViewDelegate
7585 > {
7586     _transient Database *database_;
7587     unsigned era_;
7588
7589     _H<UITableView, 2> list_;
7590     _H<NSMutableArray> sources_;
7591     int offset_;
7592
7593     _H<NSString> href_;
7594     _H<UIProgressHUD> hud_;
7595     _H<NSError> error_;
7596
7597     NSURLConnection *trivial_bz2_;
7598     NSURLConnection *trivial_gz_;
7599
7600     BOOL cydia_;
7601 }
7602
7603 - (id) initWithDatabase:(Database *)database;
7604 - (void) updateButtonsForEditingStatusAnimated:(BOOL)animated;
7605
7606 @end
7607
7608 @implementation SourcesController
7609
7610 - (void) _releaseConnection:(NSURLConnection *)connection {
7611     if (connection != nil) {
7612         [connection cancel];
7613         //[connection setDelegate:nil];
7614         [connection release];
7615     }
7616 }
7617
7618 - (void) dealloc {
7619     [self _releaseConnection:trivial_gz_];
7620     [self _releaseConnection:trivial_bz2_];
7621
7622     [super dealloc];
7623 }
7624
7625 - (NSURL *) navigationURL {
7626     return [NSURL URLWithString:@"cydia://sources"];
7627 }
7628
7629 - (void) viewDidAppear:(BOOL)animated {
7630     [super viewDidAppear:animated];
7631     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
7632 }
7633
7634 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
7635     return 2;
7636 }
7637
7638 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
7639     if (section == 1)
7640         return UCLocalize("INDIVIDUAL_SOURCES");
7641     return nil;
7642 }
7643
7644 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7645     switch (section) {
7646         case 0: return 1;
7647         case 1: return [sources_ count];
7648         default: return 0;
7649     }
7650 }
7651
7652 - (Source *) sourceAtIndexPath:(NSIndexPath *)indexPath {
7653 @synchronized (database_) {
7654     if ([database_ era] != era_)
7655         return nil;
7656     if ([indexPath section] != 1)
7657         return nil;
7658     NSUInteger index([indexPath row]);
7659     if (index >= [sources_ count])
7660         return nil;
7661     return [sources_ objectAtIndex:index];
7662 } }
7663
7664 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7665     static NSString *cellIdentifier = @"SourceCell";
7666
7667     SourceCell *cell = (SourceCell *) [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
7668     if (cell == nil) cell = [[[SourceCell alloc] initWithFrame:CGRectZero reuseIdentifier:cellIdentifier] autorelease];
7669     [cell setAccessoryType:UITableViewCellAccessoryDisclosureIndicator];
7670
7671     Source *source([self sourceAtIndexPath:indexPath]);
7672     if (source == nil)
7673         [cell setAllSource];
7674     else
7675         [cell setSource:source];
7676
7677     return cell;
7678 }
7679
7680 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
7681     SectionsController *controller([[[SectionsController alloc]
7682         initWithDatabase:database_
7683         source:[self sourceAtIndexPath:indexPath]
7684     ] autorelease]);
7685
7686     [controller setDelegate:self.delegate];
7687     [[self navigationController] pushViewController:controller animated:YES];
7688 }
7689
7690 - (BOOL) tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
7691     if ([indexPath section] != 1)
7692         return false;
7693     Source *source = [self sourceAtIndexPath:indexPath];
7694     return [source record] != nil;
7695 }
7696
7697 - (void) tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
7698     _assert([indexPath section] == 1);
7699     if (editingStyle ==  UITableViewCellEditingStyleDelete) {
7700         Source *source = [self sourceAtIndexPath:indexPath];
7701         if (source == nil) return;
7702
7703         [Sources_ removeObjectForKey:[source key]];
7704
7705         [self.delegate syncData];
7706     }
7707 }
7708
7709 - (void) tableView:(UITableView *)tableView didEndEditingRowAtIndexPath:(NSIndexPath *)indexPath {
7710     [self updateButtonsForEditingStatusAnimated:YES];
7711 }
7712
7713 - (void) complete {
7714     [self.delegate addTrivialSource:href_];
7715     href_ = nil;
7716
7717     [self.delegate syncData];
7718 }
7719
7720 - (NSString *) getWarning {
7721     NSString *href(href_);
7722     NSRange colon([href rangeOfString:@"://"]);
7723     if (colon.location != NSNotFound)
7724         href = [href substringFromIndex:(colon.location + 3)];
7725     href = [href stringByAddingPercentEscapes];
7726     href = [CydiaURL(@"api/repotag/") stringByAppendingString:href];
7727
7728     NSURL *url([NSURL URLWithString:href]);
7729
7730     NSStringEncoding encoding;
7731     NSError *error(nil);
7732
7733     if (NSString *warning = [NSString stringWithContentsOfURL:url usedEncoding:&encoding error:&error])
7734         return [warning length] == 0 ? nil : warning;
7735     return nil;
7736 }
7737
7738 - (void) _endConnection:(NSURLConnection *)connection {
7739     // XXX: the memory management in this method is horribly awkward
7740
7741     NSURLConnection **field = NULL;
7742     if (connection == trivial_bz2_)
7743         field = &trivial_bz2_;
7744     else if (connection == trivial_gz_)
7745         field = &trivial_gz_;
7746     _assert(field != NULL);
7747     [connection release];
7748     *field = nil;
7749
7750     if (
7751         trivial_bz2_ == nil &&
7752         trivial_gz_ == nil
7753     ) {
7754         NSString *warning(cydia_ ? [self yieldToSelector:@selector(getWarning)] : nil);
7755
7756         [self.delegate releaseNetworkActivityIndicator];
7757
7758         [self.delegate removeProgressHUD:hud_];
7759         hud_ = nil;
7760
7761         if (cydia_) {
7762             if (warning != nil) {
7763                 UIAlertView *alert = [[[UIAlertView alloc]
7764                     initWithTitle:UCLocalize("SOURCE_WARNING")
7765                     message:warning
7766                     delegate:self
7767                     cancelButtonTitle:UCLocalize("CANCEL")
7768                     otherButtonTitles:
7769                         UCLocalize("ADD_ANYWAY"),
7770                     nil
7771                 ] autorelease];
7772
7773                 [alert setContext:@"warning"];
7774                 [alert setNumberOfRows:1];
7775                 [alert show];
7776
7777                 // XXX: there used to be this great mechanism called yieldToPopup... who deleted it?
7778                 error_ = nil;
7779                 return;
7780             }
7781
7782             [self complete];
7783         } else if (error_ != nil) {
7784             UIAlertView *alert = [[[UIAlertView alloc]
7785                 initWithTitle:UCLocalize("VERIFICATION_ERROR")
7786                 message:[error_ localizedDescription]
7787                 delegate:self
7788                 cancelButtonTitle:UCLocalize("OK")
7789                 otherButtonTitles:nil
7790             ] autorelease];
7791
7792             [alert setContext:@"urlerror"];
7793             [alert show];
7794
7795             href_ = nil;
7796         } else {
7797             UIAlertView *alert = [[[UIAlertView alloc]
7798                 initWithTitle:UCLocalize("NOT_REPOSITORY")
7799                 message:UCLocalize("NOT_REPOSITORY_EX")
7800                 delegate:self
7801                 cancelButtonTitle:UCLocalize("OK")
7802                 otherButtonTitles:nil
7803             ] autorelease];
7804
7805             [alert setContext:@"trivial"];
7806             [alert show];
7807
7808             href_ = nil;
7809         }
7810
7811         error_ = nil;
7812     }
7813 }
7814
7815 - (void) connection:(NSURLConnection *)connection didReceiveResponse:(NSHTTPURLResponse *)response {
7816     switch ([response statusCode]) {
7817         case 200:
7818             cydia_ = YES;
7819     }
7820 }
7821
7822 - (void) connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
7823     lprintf("connection:\"%s\" didFailWithError:\"%s\"\n", [href_ UTF8String], [[error localizedDescription] UTF8String]);
7824     error_ = error;
7825     [self _endConnection:connection];
7826 }
7827
7828 - (void) connectionDidFinishLoading:(NSURLConnection *)connection {
7829     [self _endConnection:connection];
7830 }
7831
7832 - (NSURLConnection *) _requestHRef:(NSString *)href method:(NSString *)method {
7833     NSURL *url([NSURL URLWithString:href]);
7834
7835     NSMutableURLRequest *request = [NSMutableURLRequest
7836         requestWithURL:url
7837         cachePolicy:NSURLRequestUseProtocolCachePolicy
7838         timeoutInterval:10
7839     ];
7840
7841     [request setHTTPMethod:method];
7842
7843     if (Machine_ != NULL)
7844         [request setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
7845
7846     if (UniqueID_ != nil)
7847         [request setValue:UniqueID_ forHTTPHeaderField:@"X-Unique-ID"];
7848
7849     if ([url isCydiaSecure]) {
7850         if (UniqueID_ != nil)
7851             [request setValue:UniqueID_ forHTTPHeaderField:@"X-Cydia-Id"];
7852     }
7853
7854     return [[[NSURLConnection alloc] initWithRequest:request delegate:self] autorelease];
7855 }
7856
7857 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
7858     NSString *context([alert context]);
7859
7860     if ([context isEqualToString:@"source"]) {
7861         switch (button) {
7862             case 1: {
7863                 NSString *href = [[alert textField] text];
7864                 href = VerifySource(href);
7865                 if (href == nil)
7866                     break;
7867                 href_ = href;
7868
7869                 trivial_bz2_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.bz2"] method:@"HEAD"] retain];
7870                 trivial_gz_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.gz"] method:@"HEAD"] retain];
7871
7872                 cydia_ = false;
7873
7874                 // XXX: this is stupid
7875                 hud_ = [self.delegate addProgressHUD];
7876                 [hud_ setText:UCLocalize("VERIFYING_URL")];
7877                 [self.delegate retainNetworkActivityIndicator];
7878             } break;
7879
7880             case 0:
7881             break;
7882
7883             _nodefault
7884         }
7885
7886         [alert dismissWithClickedButtonIndex:-1 animated:YES];
7887     } else if ([context isEqualToString:@"trivial"])
7888         [alert dismissWithClickedButtonIndex:-1 animated:YES];
7889     else if ([context isEqualToString:@"urlerror"])
7890         [alert dismissWithClickedButtonIndex:-1 animated:YES];
7891     else if ([context isEqualToString:@"warning"]) {
7892         switch (button) {
7893             case 1:
7894                 [self performSelector:@selector(complete) withObject:nil afterDelay:0];
7895             break;
7896
7897             case 0:
7898             break;
7899
7900             _nodefault
7901         }
7902
7903         [alert dismissWithClickedButtonIndex:-1 animated:YES];
7904     }
7905 }
7906
7907 - (void) updateButtonsForEditingStatusAnimated:(BOOL)animated {
7908     BOOL editing([list_ isEditing]);
7909
7910     if (editing)
7911         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
7912             initWithTitle:UCLocalize("ADD")
7913             style:UIBarButtonItemStylePlain
7914             target:self
7915             action:@selector(addButtonClicked)
7916         ] autorelease] animated:animated];
7917     else if ([self.delegate updating])
7918         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
7919             initWithTitle:UCLocalize("CANCEL")
7920             style:UIBarButtonItemStyleDone
7921             target:self
7922             action:@selector(cancelButtonClicked)
7923         ] autorelease] animated:animated];
7924     else
7925         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
7926             initWithTitle:UCLocalize("REFRESH")
7927             style:UIBarButtonItemStylePlain
7928             target:self
7929             action:@selector(refreshButtonClicked)
7930         ] autorelease] animated:animated];
7931
7932     [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
7933         initWithTitle:(editing ? UCLocalize("DONE") : UCLocalize("EDIT"))
7934         style:(editing ? UIBarButtonItemStyleDone : UIBarButtonItemStylePlain)
7935         target:self
7936         action:@selector(editButtonClicked)
7937     ] autorelease] animated:animated];
7938 }
7939
7940 - (void) loadView {
7941     list_ = [[[UITableView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame] style:UITableViewStylePlain] autorelease];
7942     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7943     [list_ setRowHeight:53];
7944     [(UITableView *) list_ setDataSource:self];
7945     [list_ setDelegate:self];
7946     [self setView:list_];
7947 }
7948
7949 - (void) viewDidLoad {
7950     [super viewDidLoad];
7951
7952     [[self navigationItem] setTitle:UCLocalize("SOURCES")];
7953     [self updateButtonsForEditingStatusAnimated:NO];
7954 }
7955
7956 - (void) viewWillAppear:(BOOL)animated {
7957     [super viewWillAppear:animated];
7958
7959     [list_ setEditing:NO];
7960     [self updateButtonsForEditingStatusAnimated:NO];
7961 }
7962
7963 - (void) releaseSubviews {
7964     list_ = nil;
7965
7966     sources_ = nil;
7967
7968     [super releaseSubviews];
7969 }
7970
7971 - (id) initWithDatabase:(Database *)database {
7972     if ((self = [super init]) != nil) {
7973         database_ = database;
7974     } return self;
7975 }
7976
7977 - (void) reloadData {
7978     [super reloadData];
7979     [self updateButtonsForEditingStatusAnimated:YES];
7980
7981 @synchronized (database_) {
7982     era_ = [database_ era];
7983
7984     sources_ = [NSMutableArray arrayWithCapacity:16];
7985     [sources_ addObjectsFromArray:[database_ sources]];
7986     _trace();
7987     [sources_ sortUsingSelector:@selector(compareByName:)];
7988     _trace();
7989
7990     int count([sources_ count]);
7991     offset_ = 0;
7992     for (int i = 0; i != count; i++) {
7993         if ([[sources_ objectAtIndex:i] record] == nil)
7994             break;
7995         offset_++;
7996     }
7997
7998     [list_ reloadData];
7999 } }
8000
8001 - (void) showAddSourcePrompt {
8002     UIAlertView *alert = [[[UIAlertView alloc]
8003         initWithTitle:UCLocalize("ENTER_APT_URL")
8004         message:nil
8005         delegate:self
8006         cancelButtonTitle:UCLocalize("CANCEL")
8007         otherButtonTitles:
8008             UCLocalize("ADD_SOURCE"),
8009         nil
8010     ] autorelease];
8011
8012     [alert setContext:@"source"];
8013
8014     [alert setNumberOfRows:1];
8015     [alert addTextFieldWithValue:@"http://" label:@""];
8016
8017     NSObject<UITextInputTraits> *traits = [[alert textField] textInputTraits];
8018     [traits setAutocapitalizationType:UITextAutocapitalizationTypeNone];
8019     [traits setAutocorrectionType:UITextAutocorrectionTypeNo];
8020     [traits setKeyboardType:UIKeyboardTypeURL];
8021     // XXX: UIReturnKeyDone
8022     [traits setReturnKeyType:UIReturnKeyNext];
8023
8024     [alert show];
8025 }
8026
8027 - (void) addButtonClicked {
8028     [self showAddSourcePrompt];
8029 }
8030
8031 - (void) refreshButtonClicked {
8032     if ([self.delegate requestUpdate])
8033         [self updateButtonsForEditingStatusAnimated:YES];
8034 }
8035
8036 - (void) cancelButtonClicked {
8037     [self.delegate cancelUpdate];
8038 }
8039
8040 - (void) editButtonClicked {
8041     [list_ setEditing:![list_ isEditing] animated:YES];
8042     [self updateButtonsForEditingStatusAnimated:YES];
8043 }
8044
8045 @end
8046 /* }}} */
8047
8048 /* Stash Controller {{{ */
8049 @interface StashController : CyteViewController {
8050     _H<UIActivityIndicatorView> spinner_;
8051     _H<UILabel> status_;
8052     _H<UILabel> caption_;
8053 }
8054
8055 @end
8056
8057 @implementation StashController
8058
8059 - (void) loadView {
8060     UIView *view([[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]);
8061     [view setAutoresizingMask:(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight)];
8062     [self setView:view];
8063
8064     [view setBackgroundColor:[UIColor viewFlipsideBackgroundColor]];
8065
8066     spinner_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge] autorelease];
8067     CGRect spinrect = [spinner_ frame];
8068     spinrect.origin.x = Retina([[self view] frame].size.width / 2 - spinrect.size.width / 2);
8069     spinrect.origin.y = [[self view] frame].size.height - 80.0f;
8070     [spinner_ setFrame:spinrect];
8071     [spinner_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin];
8072     [view addSubview:spinner_];
8073     [spinner_ startAnimating];
8074
8075     CGRect captrect;
8076     captrect.size.width = [[self view] frame].size.width;
8077     captrect.size.height = 40.0f;
8078     captrect.origin.x = 0;
8079     captrect.origin.y = Retina([[self view] frame].size.height / 2 - captrect.size.height * 2);
8080     caption_ = [[[UILabel alloc] initWithFrame:captrect] autorelease];
8081     [caption_ setText:UCLocalize("PREPARING_FILESYSTEM")];
8082     [caption_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8083     [caption_ setFont:[UIFont boldSystemFontOfSize:28.0f]];
8084     [caption_ setTextColor:[UIColor whiteColor]];
8085     [caption_ setBackgroundColor:[UIColor clearColor]];
8086     [caption_ setShadowColor:[UIColor blackColor]];
8087     [caption_ setTextAlignment:NSTextAlignmentCenter];
8088     [view addSubview:caption_];
8089
8090     CGRect statusrect;
8091     statusrect.size.width = [[self view] frame].size.width;
8092     statusrect.size.height = 30.0f;
8093     statusrect.origin.x = 0;
8094     statusrect.origin.y = Retina([[self view] frame].size.height / 2 - statusrect.size.height);
8095     status_ = [[[UILabel alloc] initWithFrame:statusrect] autorelease];
8096     [status_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8097     [status_ setText:UCLocalize("EXIT_WHEN_COMPLETE")];
8098     [status_ setFont:[UIFont systemFontOfSize:16.0f]];
8099     [status_ setTextColor:[UIColor whiteColor]];
8100     [status_ setBackgroundColor:[UIColor clearColor]];
8101     [status_ setShadowColor:[UIColor blackColor]];
8102     [status_ setTextAlignment:NSTextAlignmentCenter];
8103     [view addSubview:status_];
8104 }
8105
8106 - (void) releaseSubviews {
8107     spinner_ = nil;
8108     status_ = nil;
8109     caption_ = nil;
8110
8111     [super releaseSubviews];
8112 }
8113
8114 @end
8115 /* }}} */
8116
8117 @interface Cydia : CyteApplication <
8118     ConfirmationControllerDelegate,
8119     DatabaseDelegate,
8120     CydiaDelegate
8121 > {
8122     _H<CyteWindow> window_;
8123     _H<CydiaTabBarController> tabbar_;
8124     _H<CyteTabBarController> emulated_;
8125     _H<AppCacheController> appcache_;
8126
8127     _H<NSMutableArray> essential_;
8128     _H<NSMutableArray> broken_;
8129
8130     Database *database_;
8131
8132     _H<NSURL> starturl_;
8133
8134     unsigned locked_;
8135
8136     _H<StashController> stash_;
8137
8138     bool loaded_;
8139 }
8140
8141 - (void) loadData;
8142
8143 @end
8144
8145 @implementation Cydia
8146
8147 - (void) lockSuspend {
8148     if (locked_++ == 0) {
8149         if ($SBSSetInterceptsMenuButtonForever != NULL)
8150             (*$SBSSetInterceptsMenuButtonForever)(true);
8151
8152         [self setIdleTimerDisabled:YES];
8153     }
8154 }
8155
8156 - (void) unlockSuspend {
8157     if (--locked_ == 0) {
8158         [self setIdleTimerDisabled:NO];
8159
8160         if ($SBSSetInterceptsMenuButtonForever != NULL)
8161             (*$SBSSetInterceptsMenuButtonForever)(false);
8162     }
8163 }
8164
8165 - (void) beginUpdate {
8166     [tabbar_ beginUpdate];
8167 }
8168
8169 - (void) cancelUpdate {
8170     [tabbar_ cancelUpdate];
8171 }
8172
8173 - (bool) requestUpdate {
8174     if (CyteIsReachable("cydia.saurik.com")) {
8175         [self beginUpdate];
8176         return true;
8177     } else {
8178         UIAlertView *alert = [[[UIAlertView alloc]
8179             initWithTitle:[NSString stringWithFormat:Colon_, Error_, UCLocalize("REFRESH")]
8180             message:@"Host Unreachable" // XXX: Localize
8181             delegate:self
8182             cancelButtonTitle:UCLocalize("OK")
8183             otherButtonTitles:nil
8184         ] autorelease];
8185
8186         [alert setContext:@"norefresh"];
8187         [alert show];
8188
8189         return false;
8190     }
8191 }
8192
8193 - (BOOL) updating {
8194     return [tabbar_ updating];
8195 }
8196
8197 - (void) _loaded {
8198     if ([broken_ count] != 0) {
8199         int count = [broken_ count];
8200
8201         UIAlertView *alert = [[[UIAlertView alloc]
8202             initWithTitle:(count == 1 ? UCLocalize("HALFINSTALLED_PACKAGE") : [NSString stringWithFormat:UCLocalize("HALFINSTALLED_PACKAGES"), count])
8203             message:UCLocalize("HALFINSTALLED_PACKAGE_EX")
8204             delegate:self
8205             cancelButtonTitle:[NSString stringWithFormat:UCLocalize("PARENTHETICAL"), UCLocalize("FORCIBLY_CLEAR"), UCLocalize("UNSAFE")]
8206             otherButtonTitles:
8207                 UCLocalize("TEMPORARY_IGNORE"),
8208             nil
8209         ] autorelease];
8210
8211         [alert setContext:@"fixhalf"];
8212         [alert setNumberOfRows:2];
8213         [alert show];
8214     } else if (!Ignored_ && [essential_ count] != 0) {
8215         int count = [essential_ count];
8216
8217         UIAlertView *alert = [[[UIAlertView alloc]
8218             initWithTitle:(count == 1 ? UCLocalize("ESSENTIAL_UPGRADE") : [NSString stringWithFormat:UCLocalize("ESSENTIAL_UPGRADES"), count])
8219             message:UCLocalize("ESSENTIAL_UPGRADE_EX")
8220             delegate:self
8221             cancelButtonTitle:UCLocalize("TEMPORARY_IGNORE")
8222             otherButtonTitles:
8223                 UCLocalize("UPGRADE_ESSENTIAL"),
8224                 UCLocalize("COMPLETE_UPGRADE"),
8225             nil
8226         ] autorelease];
8227
8228         [alert setContext:@"upgrade"];
8229         [alert show];
8230     }
8231 }
8232
8233 - (void) returnToCydia {
8234     [self _loaded];
8235 }
8236
8237 - (void) reloadSpringBoard {
8238     if (kCFCoreFoundationVersionNumber >= 700) // XXX: iOS 6.x
8239         system("/usr/libexec/cydia/cydo /bin/launchctl stop com.apple.backboardd");
8240     else
8241         system("/usr/libexec/cydia/cydo /bin/launchctl stop com.apple.SpringBoard");
8242     sleep(15);
8243     system("/usr/bin/killall backboardd SpringBoard");
8244 }
8245
8246 - (void) _saveConfig {
8247     SaveConfig(database_);
8248 }
8249
8250 // Navigation controller for the queuing badge.
8251 - (UINavigationController *) queueNavigationController {
8252     NSArray *controllers = [tabbar_ viewControllers];
8253     return [controllers objectAtIndex:3];
8254 }
8255
8256 - (void) _updateData {
8257     [self _saveConfig];
8258     [window_ unloadData];
8259
8260     UINavigationController *navigation = [self queueNavigationController];
8261
8262     id queuedelegate = nil;
8263     if ([[navigation viewControllers] count] > 0)
8264         queuedelegate = [[navigation viewControllers] objectAtIndex:0];
8265
8266     [queuedelegate queueStatusDidChange];
8267     [[navigation tabBarItem] setBadgeValue:(Queuing_ ? UCLocalize("Q_D") : nil)];
8268 }
8269
8270 - (void) _refreshIfPossible {
8271     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
8272
8273     NSDate *update([[NSDictionary dictionaryWithContentsOfFile:@ CacheState_] objectForKey:@"LastUpdate"]);
8274
8275     bool recently = false;
8276     if (update != nil) {
8277         NSTimeInterval interval([update timeIntervalSinceNow]);
8278         if (interval > -(15*60))
8279             recently = true;
8280     }
8281
8282     // Don't automatic refresh if:
8283     //  - We already refreshed recently.
8284     //  - We already auto-refreshed this launch.
8285     //  - Auto-refresh is disabled.
8286     //  - Cydia's server is not reachable
8287     if (recently || loaded_ || ManualRefresh || !CyteIsReachable("cydia.saurik.com")) {
8288         // If we are cancelling, we need to make sure it knows it's already loaded.
8289         loaded_ = true;
8290
8291         [self performSelectorOnMainThread:@selector(_loaded) withObject:nil waitUntilDone:NO];
8292     } else {
8293         // We are going to load, so remember that.
8294         loaded_ = true;
8295
8296         [tabbar_ performSelectorOnMainThread:@selector(beginUpdate) withObject:nil waitUntilDone:NO];
8297     }
8298
8299     [pool release];
8300 }
8301
8302 - (void) refreshIfPossible {
8303     [NSThread detachNewThreadSelector:@selector(_refreshIfPossible) toTarget:self withObject:nil];
8304 }
8305
8306 - (void) reloadDataWithInvocation:(NSInvocation *)invocation {
8307 _profile(reloadDataWithInvocation)
8308 @synchronized (self) {
8309     UIProgressHUD *hud(loaded_ ? [self addProgressHUD] : nil);
8310     if (hud != nil)
8311         [hud setText:UCLocalize("RELOADING_DATA")];
8312
8313     [database_ yieldToSelector:@selector(reloadDataWithInvocation:) withObject:invocation];
8314
8315     size_t changes(0);
8316
8317     [essential_ removeAllObjects];
8318     [broken_ removeAllObjects];
8319
8320     _profile(reloadDataWithInvocation$Essential)
8321     NSArray *packages([database_ packages]);
8322     for (Package *package in packages) {
8323         if ([package half])
8324             [broken_ addObject:package];
8325         if ([package upgradableAndEssential:YES] && ![package ignored]) {
8326             if ([package essential] && [package installed] != nil)
8327                 [essential_ addObject:package];
8328             ++changes;
8329         }
8330     }
8331     _end
8332
8333     UITabBarItem *changesItem = [[[tabbar_ viewControllers] objectAtIndex:2] tabBarItem];
8334     if (changes != 0) {
8335         _trace();
8336         NSString *badge([[NSNumber numberWithInt:changes] stringValue]);
8337         [changesItem setBadgeValue:badge];
8338         [changesItem setAnimatedBadge:([essential_ count] > 0)];
8339         [self setApplicationIconBadgeNumber:changes];
8340     } else {
8341         _trace();
8342         [changesItem setBadgeValue:nil];
8343         [changesItem setAnimatedBadge:NO];
8344         [self setApplicationIconBadgeNumber:0];
8345     }
8346
8347     Queuing_ = false;
8348     [self _updateData];
8349
8350     if (hud != nil)
8351         [self removeProgressHUD:hud];
8352 }
8353 _end
8354
8355     PrintTimes();
8356 }
8357
8358 - (void) updateData {
8359     [self _updateData];
8360 }
8361
8362 - (void) updateDataAndLoad {
8363     [self _updateData];
8364     if ([database_ progressDelegate] == nil)
8365         [self _loaded];
8366 }
8367
8368 - (void) update_ {
8369     [database_ update];
8370     [self performSelectorOnMainThread:@selector(reloadData) withObject:nil waitUntilDone:YES];
8371 }
8372
8373 - (void) disemulate {
8374     if (emulated_ == nil)
8375         return;
8376
8377     [window_ setRootViewController:tabbar_];
8378     emulated_ = nil;
8379
8380     [window_ setUserInteractionEnabled:YES];
8381 }
8382
8383 - (void) presentModalViewController:(UIViewController *)controller force:(BOOL)force {
8384     UINavigationController *navigation([[[UINavigationController alloc] initWithRootViewController:controller] autorelease]);
8385
8386     UIViewController *parent;
8387     if (emulated_ == nil)
8388         parent = tabbar_;
8389     else if (!force)
8390         parent = emulated_;
8391     else {
8392         [self disemulate];
8393         parent = tabbar_;
8394     }
8395
8396     if (IsWildcat_)
8397         [navigation setModalPresentationStyle:UIModalPresentationFormSheet];
8398     [parent presentModalViewController:navigation animated:YES];
8399 }
8400
8401 - (ProgressController *) invokeNewProgress:(NSInvocation *)invocation forController:(UINavigationController *)navigation withTitle:(NSString *)title {
8402     ProgressController *progress([[[ProgressController alloc] initWithDatabase:database_ delegate:self] autorelease]);
8403
8404     if (navigation != nil)
8405         [navigation pushViewController:progress animated:YES];
8406     else
8407         [self presentModalViewController:progress force:YES];
8408
8409     [progress invoke:invocation withTitle:title];
8410     return progress;
8411 }
8412
8413 - (void) detachNewProgressSelector:(SEL)selector toTarget:(id)target forController:(UINavigationController *)navigation title:(NSString *)title {
8414     [self invokeNewProgress:[NSInvocation invocationWithSelector:selector forTarget:target] forController:navigation withTitle:title];
8415 }
8416
8417 - (void) repairWithInvocation:(NSInvocation *)invocation {
8418     _trace();
8419     [self invokeNewProgress:invocation forController:nil withTitle:@"REPAIRING"];
8420     _trace();
8421 }
8422
8423 - (void) repairWithSelector:(SEL)selector {
8424     [self performSelectorOnMainThread:@selector(repairWithInvocation:) withObject:[NSInvocation invocationWithSelector:selector forTarget:database_] waitUntilDone:YES];
8425 }
8426
8427 - (void) reloadData {
8428     [self reloadDataWithInvocation:nil];
8429     if ([database_ progressDelegate] == nil)
8430         [self _loaded];
8431 }
8432
8433 - (void) syncData {
8434     [self _saveConfig];
8435     [self detachNewProgressSelector:@selector(update_) toTarget:self forController:nil title:@"UPDATING_SOURCES"];
8436 }
8437
8438 - (void) addSource:(NSDictionary *) source {
8439     CydiaAddSource(source);
8440 }
8441
8442 - (void) addSource:(NSString *)href withDistribution:(NSString *)distribution andSections:(NSArray *)sections {
8443     CydiaAddSource(href, distribution, sections);
8444 }
8445
8446 // XXX: this method should not return anything
8447 - (BOOL) addTrivialSource:(NSString *)href {
8448     CydiaAddSource(href, @"./");
8449     return YES;
8450 }
8451
8452 - (void) resolve {
8453     pkgProblemResolver *resolver = [database_ resolver];
8454
8455     resolver->InstallProtect();
8456     if (!resolver->Resolve(true))
8457         _error->Discard();
8458 }
8459
8460 - (bool) perform {
8461     // XXX: this is a really crappy way of doing this.
8462     // like, seriously: this state machine is still broken, and cancelling this here doesn't really /fix/ that.
8463     // for one, the user can still /start/ a reloading data event while they have a queue, which is stupid
8464     // for two, this just means there is a race condition between the refresh completing and the confirmation controller appearing.
8465     if ([tabbar_ updating])
8466         [tabbar_ cancelUpdate];
8467
8468     if (![database_ prepare])
8469         return false;
8470
8471     ConfirmationController *page([[[ConfirmationController alloc] initWithDatabase:database_] autorelease]);
8472     [page setDelegate:self];
8473     UINavigationController *confirm_([[[UINavigationController alloc] initWithRootViewController:page] autorelease]);
8474
8475     if (IsWildcat_)
8476         [confirm_ setModalPresentationStyle:UIModalPresentationFormSheet];
8477     [tabbar_ presentModalViewController:confirm_ animated:YES];
8478
8479     return true;
8480 }
8481
8482 - (void) queue {
8483     @synchronized (self) {
8484         [self perform];
8485     }
8486 }
8487
8488 - (void) clearPackage:(Package *)package {
8489     @synchronized (self) {
8490         [package clear];
8491         [self resolve];
8492         [self perform];
8493     }
8494 }
8495
8496 - (void) installPackages:(NSArray *)packages {
8497     @synchronized (self) {
8498         for (Package *package in packages)
8499             [package install];
8500         [self resolve];
8501         [self perform];
8502     }
8503 }
8504
8505 - (void) installPackage:(Package *)package {
8506     @synchronized (self) {
8507         [package install];
8508         [self resolve];
8509         [self perform];
8510     }
8511 }
8512
8513 - (void) removePackage:(Package *)package {
8514     @synchronized (self) {
8515         [package remove];
8516         [self resolve];
8517         [self perform];
8518     }
8519 }
8520
8521 - (void) distUpgrade {
8522     @synchronized (self) {
8523         if (![database_ upgrade])
8524             return;
8525         [self perform];
8526     }
8527 }
8528
8529 - (void) _uicache {
8530     _trace();
8531     system("/usr/bin/uicache");
8532     _trace();
8533 }
8534
8535 - (void) uicache {
8536     UIProgressHUD *hud([self addProgressHUD]);
8537     [hud setText:UCLocalize("LOADING")];
8538     [self yieldToSelector:@selector(_uicache)];
8539     [self removeProgressHUD:hud];
8540 }
8541
8542 - (void) perform_ {
8543     [database_ perform];
8544     [self performSelectorOnMainThread:@selector(reloadData) withObject:nil waitUntilDone:YES];
8545     [self performSelectorOnMainThread:@selector(uicache) withObject:nil waitUntilDone:YES];
8546 }
8547
8548 - (void) confirmWithNavigationController:(UINavigationController *)navigation {
8549     Queuing_ = false;
8550     [self lockSuspend];
8551     [self detachNewProgressSelector:@selector(perform_) toTarget:self forController:navigation title:@"RUNNING"];
8552     [self unlockSuspend];
8553 }
8554
8555 - (void) cancelAndClear:(bool)clear {
8556     @synchronized (self) {
8557         if (clear) {
8558             [database_ clear];
8559             Queuing_ = false;
8560         } else {
8561             Queuing_ = true;
8562         }
8563
8564         [self _updateData];
8565     }
8566 }
8567
8568 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
8569     NSString *context([alert context]);
8570
8571     if ([context isEqualToString:@"conffile"]) {
8572         FILE *input = [database_ input];
8573         if (button == [alert cancelButtonIndex])
8574             fprintf(input, "N\n");
8575         else if (button == [alert firstOtherButtonIndex])
8576             fprintf(input, "Y\n");
8577         fflush(input);
8578
8579         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8580     } else if ([context isEqualToString:@"fixhalf"]) {
8581         if (button == [alert cancelButtonIndex]) {
8582             @synchronized (self) {
8583                 for (Package *broken in (id) broken_) {
8584                     [broken remove];
8585                     NSString *id(ShellEscape([broken id]));
8586                     system([[NSString stringWithFormat:@"/usr/libexec/cydia/cydo /bin/rm -f"
8587                         " /var/lib/dpkg/info/%@.prerm"
8588                         " /var/lib/dpkg/info/%@.postrm"
8589                         " /var/lib/dpkg/info/%@.preinst"
8590                         " /var/lib/dpkg/info/%@.postinst"
8591                         " /var/lib/dpkg/info/%@.extrainst_"
8592                     "", id, id, id, id, id] UTF8String]);
8593                 }
8594
8595                 [self resolve];
8596                 [self perform];
8597             }
8598         } else if (button == [alert firstOtherButtonIndex]) {
8599             [broken_ removeAllObjects];
8600             [self _loaded];
8601         }
8602
8603         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8604     } else if ([context isEqualToString:@"upgrade"]) {
8605         if (button == [alert firstOtherButtonIndex]) {
8606             @synchronized (self) {
8607                 for (Package *essential in (id) essential_)
8608                     [essential install];
8609
8610                 [self resolve];
8611                 [self perform];
8612             }
8613         } else if (button == [alert firstOtherButtonIndex] + 1) {
8614             [self distUpgrade];
8615         } else if (button == [alert cancelButtonIndex]) {
8616             Ignored_ = YES;
8617         }
8618
8619         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8620     }
8621 }
8622
8623 - (void) system:(NSString *)command {
8624     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
8625
8626     _trace();
8627     system([command UTF8String]);
8628     _trace();
8629
8630     [pool release];
8631 }
8632
8633 - (void) applicationWillSuspend {
8634     [database_ clean];
8635     [super applicationWillSuspend];
8636 }
8637
8638 - (BOOL) isSafeToSuspend {
8639     if (locked_ != 0) {
8640 #if !ForRelease
8641         NSLog(@"isSafeToSuspend: locked_ != 0");
8642 #endif
8643         return false;
8644     }
8645
8646     if ([tabbar_ modalViewController] != nil)
8647         return false;
8648
8649     // Use external process status API internally.
8650     // This is probably a really bad idea.
8651     // XXX: what is the point of this? does this solve anything at all?
8652     uint64_t status = 0;
8653     int notify_token;
8654     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
8655         notify_get_state(notify_token, &status);
8656         notify_cancel(notify_token);
8657     }
8658
8659     if (status != 0) {
8660 #if !ForRelease
8661         NSLog(@"isSafeToSuspend: status != 0");
8662 #endif
8663         return false;
8664     }
8665
8666 #if !ForRelease
8667     NSLog(@"isSafeToSuspend: -> true");
8668 #endif
8669     return true;
8670 }
8671
8672 - (void) suspendReturningToLastApp:(BOOL)returning {
8673     if ([self isSafeToSuspend])
8674         [super suspendReturningToLastApp:returning];
8675 }
8676
8677 - (void) suspend {
8678     if ([self isSafeToSuspend])
8679         [super suspend];
8680 }
8681
8682 - (void) applicationSuspend {
8683     if ([self isSafeToSuspend])
8684         [super applicationSuspend];
8685 }
8686
8687 - (void) applicationSuspend:(GSEventRef)event {
8688     if ([self isSafeToSuspend])
8689         [super applicationSuspend:event];
8690 }
8691
8692 - (void) _animateSuspension:(BOOL)arg0 duration:(double)arg1 startTime:(double)arg2 scale:(float)arg3 {
8693     if ([self isSafeToSuspend])
8694         [super _animateSuspension:arg0 duration:arg1 startTime:arg2 scale:arg3];
8695 }
8696
8697 - (void) _setSuspended:(BOOL)value {
8698     if ([self isSafeToSuspend])
8699         [super _setSuspended:value];
8700 }
8701
8702 - (UIProgressHUD *) addProgressHUD {
8703     UIProgressHUD *hud([[[UIProgressHUD alloc] init] autorelease]);
8704     [hud setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8705
8706     [window_ setUserInteractionEnabled:NO];
8707
8708     UIViewController *target(tabbar_);
8709     if (UIViewController *modal = [target modalViewController])
8710         target = modal;
8711
8712     [hud showInView:[target view]];
8713
8714     [self lockSuspend];
8715     return hud;
8716 }
8717
8718 - (void) removeProgressHUD:(UIProgressHUD *)hud {
8719     [self unlockSuspend];
8720     [hud hide];
8721     [hud removeFromSuperview];
8722     [window_ setUserInteractionEnabled:YES];
8723 }
8724
8725 - (CyteViewController *) pageForPackage:(NSString *)name withReferrer:(NSString *)referrer {
8726     return [[[CYPackageController alloc] initWithDatabase:database_ forPackage:name withReferrer:referrer] autorelease];
8727 }
8728
8729 - (CyteViewController *) pageForURL:(NSURL *)url forExternal:(BOOL)external withReferrer:(NSString *)referrer {
8730     NSString *scheme([[url scheme] lowercaseString]);
8731     if ([[url absoluteString] length] <= [scheme length] + 3)
8732         return nil;
8733     NSString *path([[url absoluteString] substringFromIndex:[scheme length] + 3]);
8734     NSArray *components([path componentsSeparatedByString:@"/"]);
8735
8736     if ([scheme isEqualToString:@"apptapp"] && [components count] > 0 && [[components objectAtIndex:0] isEqualToString:@"package"]) {
8737         CyteViewController *controller([self pageForPackage:[components objectAtIndex:1] withReferrer:referrer]);
8738         if (controller != nil)
8739             [controller setDelegate:self];
8740         return controller;
8741     }
8742
8743     if ([components count] < 1 || ![scheme isEqualToString:@"cydia"])
8744         return nil;
8745
8746     NSString *base([components objectAtIndex:0]);
8747
8748     CyteViewController *controller = nil;
8749
8750     if ([base isEqualToString:@"url"]) {
8751         // This kind of URL can contain slashes in the argument, so we can't parse them below.
8752         NSString *destination = [[url absoluteString] substringFromIndex:([scheme length] + [@"://" length] + [base length] + [@"/" length])];
8753         controller = [[[CydiaWebViewController alloc] initWithURL:[NSURL URLWithString:destination]] autorelease];
8754     } else if (!external && [components count] == 1) {
8755         if ([base isEqualToString:@"sources"]) {
8756             controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
8757         }
8758
8759         if ([base isEqualToString:@"home"]) {
8760             controller = [[[HomeController alloc] init] autorelease];
8761         }
8762
8763         if ([base isEqualToString:@"sections"]) {
8764             controller = [[[SectionsController alloc] initWithDatabase:database_ source:nil] autorelease];
8765         }
8766
8767         if ([base isEqualToString:@"search"]) {
8768             controller = [[[SearchController alloc] initWithDatabase:database_ query:nil] autorelease];
8769         }
8770
8771         if ([base isEqualToString:@"changes"]) {
8772             controller = [[[ChangesController alloc] initWithDatabase:database_] autorelease];
8773         }
8774
8775         if ([base isEqualToString:@"installed"]) {
8776             controller = [[[InstalledController alloc] initWithDatabase:database_] autorelease];
8777         }
8778     } else if ([components count] == 2) {
8779         NSString *argument = [[components objectAtIndex:1] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
8780
8781         if ([base isEqualToString:@"package"]) {
8782             controller = [self pageForPackage:argument withReferrer:referrer];
8783         }
8784
8785         if (!external && [base isEqualToString:@"search"]) {
8786             controller = [[[SearchController alloc] initWithDatabase:database_ query:argument] autorelease];
8787         }
8788
8789         if (!external && [base isEqualToString:@"sections"]) {
8790             if ([argument isEqualToString:@"all"] || [argument isEqualToString:@"*"])
8791                 argument = nil;
8792             controller = [[[SectionController alloc] initWithDatabase:database_ source:nil section:argument] autorelease];
8793         }
8794
8795         if ([base isEqualToString:@"sources"]) {
8796             if ([argument isEqualToString:@"add"]) {
8797                 controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
8798                 [(SourcesController *)controller showAddSourcePrompt];
8799             } else {
8800                 Source *source([database_ sourceWithKey:argument]);
8801                 controller = [[[SectionsController alloc] initWithDatabase:database_ source:source] autorelease];
8802             }
8803         }
8804
8805         if (!external && [base isEqualToString:@"launch"]) {
8806             [self launchApplicationWithIdentifier:argument suspended:NO];
8807             return nil;
8808         }
8809     } else if (!external && [components count] == 3) {
8810         NSString *arg1 = [[components objectAtIndex:1] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
8811         NSString *arg2 = [[components objectAtIndex:2] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
8812
8813         if ([base isEqualToString:@"package"]) {
8814             if ([arg2 isEqualToString:@"settings"]) {
8815                 controller = [[[PackageSettingsController alloc] initWithDatabase:database_ package:arg1] autorelease];
8816             } else if ([arg2 isEqualToString:@"files"]) {
8817                 controller = [[[FileTable alloc] initWithDatabase:database_ forPackage:arg1] autorelease];
8818             }
8819         }
8820
8821         if ([base isEqualToString:@"sections"]) {
8822             Source *source([arg1 isEqualToString:@"*"] ? nil : [database_ sourceWithKey:arg1]);
8823             NSString *section([arg2 isEqualToString:@"*"] ? nil : arg2);
8824             controller = [[[SectionController alloc] initWithDatabase:database_ source:source section:section] autorelease];
8825         }
8826     }
8827
8828     [controller setDelegate:self];
8829     return controller;
8830 }
8831
8832 - (BOOL) openCydiaURL:(NSURL *)url forExternal:(BOOL)external {
8833     CyteViewController *page([self pageForURL:url forExternal:external withReferrer:nil]);
8834
8835     if (page != nil)
8836         [tabbar_ setUnselectedViewController:page];
8837
8838     return page != nil;
8839 }
8840
8841 - (void) applicationOpenURL:(NSURL *)url {
8842     [super applicationOpenURL:url];
8843
8844     if (!loaded_)
8845         starturl_ = url;
8846     else
8847         [self openCydiaURL:url forExternal:YES];
8848 }
8849
8850 - (void) applicationWillResignActive:(UIApplication *)application {
8851     // Stop refreshing if you get a phone call or lock the device.
8852     if ([tabbar_ updating])
8853         [tabbar_ cancelUpdate];
8854
8855     if ([[self superclass] instancesRespondToSelector:@selector(applicationWillResignActive:)])
8856         [super applicationWillResignActive:application];
8857 }
8858
8859 - (void) saveState {
8860     [[NSDictionary dictionaryWithObjectsAndKeys:
8861         @"InterfaceState", [tabbar_ navigationURLCollection],
8862         @"LastClosed", [NSDate date],
8863         @"InterfaceIndex", [NSNumber numberWithInt:[tabbar_ selectedIndex]],
8864     nil] writeToFile:@ SavedState_ atomically:YES];
8865
8866     [self _saveConfig];
8867 }
8868
8869 - (void) applicationWillTerminate:(UIApplication *)application {
8870     [self saveState];
8871 }
8872
8873 - (void) applicationDidEnterBackground:(UIApplication *)application {
8874     if (kCFCoreFoundationVersionNumber < 1000 && [self isSafeToSuspend])
8875         return [self terminateWithSuccess];
8876     Backgrounded_ = [NSDate date];
8877     [self saveState];
8878 }
8879
8880 - (void) applicationWillEnterForeground:(UIApplication *)application {
8881     if (Backgrounded_ == nil)
8882         return;
8883
8884     NSTimeInterval interval([Backgrounded_ timeIntervalSinceNow]);
8885
8886     if (interval <= -(30*60)) {
8887         [tabbar_ setSelectedIndex:0];
8888         [[[tabbar_ viewControllers] objectAtIndex:0] popToRootViewControllerAnimated:NO];
8889     }
8890
8891     if (interval <= -(15*60)) {
8892         if (CyteIsReachable("cydia.saurik.com")) {
8893             [tabbar_ beginUpdate];
8894             [appcache_ reloadURLWithCache:YES];
8895         }
8896     }
8897
8898     if ([database_ delocked])
8899         [self reloadData];
8900 }
8901
8902 - (void) setConfigurationData:(NSString *)data {
8903     static RegEx conffile_r("'(.*)' '(.*)' ([01]) ([01])");
8904
8905     if (!conffile_r(data)) {
8906         lprintf("E:invalid conffile\n");
8907         return;
8908     }
8909
8910     NSString *ofile = conffile_r[1];
8911     //NSString *nfile = conffile_r[2];
8912
8913     UIAlertView *alert = [[[UIAlertView alloc]
8914         initWithTitle:UCLocalize("CONFIGURATION_UPGRADE")
8915         message:[NSString stringWithFormat:@"%@\n\n%@", UCLocalize("CONFIGURATION_UPGRADE_EX"), ofile]
8916         delegate:self
8917         cancelButtonTitle:UCLocalize("KEEP_OLD_COPY")
8918         otherButtonTitles:
8919             UCLocalize("ACCEPT_NEW_COPY"),
8920             // XXX: UCLocalize("SEE_WHAT_CHANGED"),
8921         nil
8922     ] autorelease];
8923
8924     [alert setContext:@"conffile"];
8925     [alert setNumberOfRows:2];
8926     [alert show];
8927 }
8928
8929 - (void) addStashController {
8930     [self lockSuspend];
8931     stash_ = [[[StashController alloc] init] autorelease];
8932     [window_ addSubview:[stash_ view]];
8933 }
8934
8935 - (void) removeStashController {
8936     [[stash_ view] removeFromSuperview];
8937     stash_ = nil;
8938     [self unlockSuspend];
8939 }
8940
8941 - (void) stash {
8942     [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleBlackOpaque];
8943     UpdateExternalStatus(1);
8944     [self yieldToSelector:@selector(system:) withObject:@"/usr/libexec/cydia/cydo /usr/libexec/cydia/free.sh"];
8945     UpdateExternalStatus(0);
8946
8947     [self removeStashController];
8948     [self reloadSpringBoard];
8949 }
8950
8951 - (void) applicationDidFinishLaunching:(id)unused {
8952     [super applicationDidFinishLaunching:unused];
8953     [CyteWebViewController _initialize];
8954
8955     [BridgedHosts_ addObject:[[NSURL URLWithString:CydiaURL(@"")] host]];
8956
8957     [NSURLProtocol registerClass:[CydiaURLProtocol class]];
8958
8959     // this would disallow http{,s} URLs from accessing this data
8960     //[WebView registerURLSchemeAsLocal:@"cydia"];
8961
8962     Font12_ = [UIFont systemFontOfSize:12];
8963     Font12Bold_ = [UIFont boldSystemFontOfSize:12];
8964     Font14_ = [UIFont systemFontOfSize:14];
8965     Font18_ = [UIFont systemFontOfSize:18];
8966     Font18Bold_ = [UIFont boldSystemFontOfSize:18];
8967     Font22Bold_ = [UIFont boldSystemFontOfSize:22];
8968
8969     essential_ = [NSMutableArray arrayWithCapacity:4];
8970     broken_ = [NSMutableArray arrayWithCapacity:4];
8971
8972     // XXX: I really need this thing... like, seriously... I'm sorry
8973     appcache_ = [[[AppCacheController alloc] initWithURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/appcache/", UI_]]] autorelease];
8974     [appcache_ reloadData];
8975
8976     window_ = [[[CyteWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease];
8977     [window_ orderFront:self];
8978     [window_ makeKey:self];
8979     [window_ setHidden:NO];
8980
8981     if (access("/.cydia_no_stash", F_OK) == 0);
8982     else {
8983
8984     if (false) stash: {
8985         [self addStashController];
8986         // XXX: this would be much cleaner as a yieldToSelector:
8987         // that way the removeStashController could happen right here inline
8988         // we also could no longer require the useless stash_ field anymore
8989         [self performSelector:@selector(stash) withObject:nil afterDelay:0];
8990         return;
8991     }
8992
8993     struct stat root;
8994     int error(stat("/", &root));
8995     _assert(error != -1);
8996
8997     #define Stash_(path) do { \
8998         struct stat folder; \
8999         int error(lstat((path), &folder)); \
9000         if (error != -1 && ( \
9001             folder.st_dev == root.st_dev && \
9002             S_ISDIR(folder.st_mode) \
9003         ) || error == -1 && ( \
9004             errno == ENOENT || \
9005             errno == ENOTDIR \
9006         )) goto stash; \
9007     } while (false)
9008
9009     Stash_("/Applications");
9010     Stash_("/Library/Ringtones");
9011     Stash_("/Library/Wallpaper");
9012     //Stash_("/usr/bin");
9013     Stash_("/usr/include");
9014     Stash_("/usr/share");
9015     //Stash_("/var/lib");
9016
9017     }
9018
9019     database_ = [Database sharedInstance];
9020     [database_ setDelegate:self];
9021
9022     [window_ setUserInteractionEnabled:NO];
9023
9024     tabbar_ = [[[CydiaTabBarController alloc] initWithDatabase:database_] autorelease];
9025
9026     [tabbar_ addViewControllers:nil,
9027         @"Cydia", @"home.png", @"home7.png", @"home7s.png",
9028         UCLocalize("SOURCES"), @"install.png", @"install7.png", @"install7s.png",
9029         UCLocalize("CHANGES"), @"changes.png", @"changes7.png", @"changes7s.png",
9030         UCLocalize("INSTALLED"), @"manage.png", @"manage7.png", @"manage7s.png",
9031         UCLocalize("SEARCH"), @"search.png", @"search7.png", @"search7s.png",
9032     nil];
9033
9034     [tabbar_ setUpdateDelegate:self];
9035
9036     CydiaLoadingViewController *loading([[[CydiaLoadingViewController alloc] init] autorelease]);
9037     UINavigationController *navigation([[[UINavigationController alloc] init] autorelease]);
9038     [navigation setViewControllers:[NSArray arrayWithObject:loading]];
9039
9040     emulated_ = [[[CyteTabBarController alloc] init] autorelease];
9041     [emulated_ setViewControllers:[NSArray arrayWithObject:navigation]];
9042     [emulated_ setSelectedIndex:0];
9043
9044     if ([emulated_ respondsToSelector:@selector(concealTabBarSelection)])
9045         [emulated_ concealTabBarSelection];
9046
9047     [window_ setRootViewController:emulated_];
9048
9049     [self performSelector:@selector(loadData) withObject:nil afterDelay:0];
9050 _trace();
9051 }
9052
9053 - (NSArray *) defaultStartPages {
9054     NSMutableArray *standard = [NSMutableArray array];
9055     [standard addObject:[NSArray arrayWithObject:@"cydia://home"]];
9056     [standard addObject:[NSArray arrayWithObject:@"cydia://sources"]];
9057     [standard addObject:[NSArray arrayWithObject:@"cydia://changes"]];
9058     [standard addObject:[NSArray arrayWithObject:@"cydia://installed"]];
9059     [standard addObject:[NSArray arrayWithObject:@"cydia://search"]];
9060     return standard;
9061 }
9062
9063 - (void) loadData {
9064 _trace();
9065     if ([emulated_ modalViewController] != nil)
9066         [emulated_ dismissModalViewControllerAnimated:YES];
9067     [window_ setUserInteractionEnabled:NO];
9068
9069     [self reloadDataWithInvocation:nil];
9070     [self refreshIfPossible];
9071     [self disemulate];
9072
9073     NSDictionary *state([NSDictionary dictionaryWithContentsOfFile:@ SavedState_]);
9074
9075     int savedIndex = [[state objectForKey:@"InterfaceIndex"] intValue];
9076     NSArray *saved = [[[state objectForKey:@"InterfaceState"] mutableCopy] autorelease];
9077     int standardIndex = 0;
9078     NSArray *standard = [self defaultStartPages];
9079
9080     BOOL valid = YES;
9081
9082     if (saved == nil)
9083         valid = NO;
9084
9085     NSDate *closed = [state objectForKey:@"LastClosed"];
9086     if (valid && closed != nil) {
9087         NSTimeInterval interval([closed timeIntervalSinceNow]);
9088         if (interval <= -(30*60))
9089             valid = NO;
9090     }
9091
9092     if (valid && [saved count] != [standard count])
9093         valid = NO;
9094
9095     if (valid) {
9096         for (unsigned int i = 0; i < [standard count]; i++) {
9097             NSArray *std = [standard objectAtIndex:i], *sav = [saved objectAtIndex:i];
9098             // XXX: The "hasPrefix" sanity check here could be, in theory, fooled,
9099             //      but it's good enough for now.
9100             if ([sav count] == 0 || ![[sav objectAtIndex:0] hasPrefix:[std objectAtIndex:0]]) {
9101                 valid = NO;
9102                 break;
9103             }
9104         }
9105     }
9106
9107     NSArray *items = nil;
9108     if (valid) {
9109         [tabbar_ setSelectedIndex:savedIndex];
9110         items = saved;
9111     } else {
9112         [tabbar_ setSelectedIndex:standardIndex];
9113         items = standard;
9114     }
9115
9116     for (unsigned int tab = 0; tab < [[tabbar_ viewControllers] count]; tab++) {
9117         NSArray *stack = [items objectAtIndex:tab];
9118         UINavigationController *navigation = [[tabbar_ viewControllers] objectAtIndex:tab];
9119         NSMutableArray *current = [NSMutableArray array];
9120
9121         for (unsigned int nav = 0; nav < [stack count]; nav++) {
9122             NSString *addr = [stack objectAtIndex:nav];
9123             NSURL *url = [NSURL URLWithString:addr];
9124             CyteViewController *page = [self pageForURL:url forExternal:NO withReferrer:nil];
9125             if (page != nil)
9126                 [current addObject:page];
9127         }
9128
9129         [navigation setViewControllers:current];
9130     }
9131
9132     // (Try to) show the startup URL.
9133     if (starturl_ != nil) {
9134         [self openCydiaURL:starturl_ forExternal:YES];
9135         starturl_ = nil;
9136     }
9137 }
9138
9139 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item {
9140     if (!IsWildcat_) {
9141        [sheet addButtonWithTitle:UCLocalize("CANCEL")];
9142        [sheet setCancelButtonIndex:[sheet numberOfButtons] - 1];
9143     }
9144
9145     if (item != nil && IsWildcat_) {
9146         [sheet showFromBarButtonItem:item animated:YES];
9147     } else {
9148         [sheet showInView:window_];
9149     }
9150 }
9151
9152 - (void) addProgressEvent:(CydiaProgressEvent *)event forTask:(NSString *)task {
9153     id<ProgressDelegate> progress([database_ progressDelegate] ?: [self invokeNewProgress:nil forController:nil withTitle:task]);
9154     [progress setTitle:task];
9155     [progress addProgressEvent:event];
9156 }
9157
9158 - (void) addProgressEventForTask:(NSArray *)data {
9159     CydiaProgressEvent *event([data objectAtIndex:0]);
9160     NSString *task([data count] < 2 ? nil : [data objectAtIndex:1]);
9161     [self addProgressEvent:event forTask:task];
9162 }
9163
9164 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task {
9165     [self performSelectorOnMainThread:@selector(addProgressEventForTask:) withObject:[NSArray arrayWithObjects:event, task, nil] waitUntilDone:YES];
9166 }
9167
9168 @end
9169
9170 /*IMP alloc_;
9171 id Alloc_(id self, SEL selector) {
9172     id object = alloc_(self, selector);
9173     lprintf("[%s]A-%p\n", self->isa->name, object);
9174     return object;
9175 }*/
9176
9177 /*IMP dealloc_;
9178 id Dealloc_(id self, SEL selector) {
9179     id object = dealloc_(self, selector);
9180     lprintf("[%s]D-%p\n", self->isa->name, object);
9181     return object;
9182 }*/
9183
9184 static NSMutableDictionary *AutoreleaseDeepMutableCopyOfDictionary(CFTypeRef type) {
9185     if (type == NULL)
9186         return nil;
9187     if (CFGetTypeID(type) != CFDictionaryGetTypeID())
9188         return nil;
9189     CFTypeRef copy(CFPropertyListCreateDeepCopy(kCFAllocatorDefault, type, kCFPropertyListMutableContainers));
9190     CFRelease(type);
9191     return [(NSMutableDictionary *) copy autorelease];
9192 }
9193
9194 int main_store(int, char *argv[]);
9195
9196 int main(int argc, char *argv[]) {
9197 #ifdef __arm64__
9198     const char *argv0(argv[0]);
9199     if (const char *slash = strrchr(argv0, '/'))
9200         argv0 = slash + 1;
9201     if (false);
9202     else if (!strcmp(argv0, "store"))
9203         return main_store(argc, argv);
9204 #endif
9205
9206     int fd(open("/tmp/cydia.log", O_WRONLY | O_APPEND | O_CREAT, 0644));
9207     dup2(fd, 2);
9208     close(fd);
9209
9210     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
9211
9212     _trace();
9213
9214     CyteInitialize([NSString stringWithFormat:@"Cydia/%@", Cydia_]);
9215     UpdateExternalStatus(0);
9216
9217     SessionData_ = [NSMutableDictionary dictionaryWithCapacity:4];
9218     BridgedHosts_ = [NSMutableSet setWithCapacity:4];
9219     InsecureHosts_ = [NSMutableSet setWithCapacity:4];
9220
9221     UI_ = CydiaURL([NSString stringWithFormat:@"ui/ios~%@/1.1", IsWildcat_ ? @"ipad" : @"iphone"]);
9222     PackageName = reinterpret_cast<CYString &(*)(Package *, SEL)>(method_getImplementation(class_getInstanceMethod([Package class], @selector(cyname))));
9223
9224     /* Set Locale {{{ */
9225     Locale_ = CFLocaleCopyCurrent();
9226     Languages_ = [NSLocale preferredLanguages];
9227
9228     std::string languages;
9229     const char *translation(NULL);
9230
9231     // XXX: this isn't really a language, but this is compatible with older Cydia builds
9232     if (Locale_ != NULL)
9233         if (const char *language = [(NSString *) CFLocaleGetIdentifier(Locale_) UTF8String]) {
9234             RegEx pattern("([a-z][a-z])(?:-[A-Za-z]*)?(_[A-Z][A-Z])?");
9235             if (pattern(language)) {
9236                 translation = strdup([pattern->*@"%1$@%2$@" UTF8String]);
9237                 languages += translation;
9238                 languages += ",";
9239             }
9240         }
9241
9242     if (Languages_ != nil)
9243         for (NSString *locale : Languages_) {
9244             auto components([NSLocale componentsFromLocaleIdentifier:locale]);
9245             NSString *language([components objectForKey:(id)kCFLocaleLanguageCode]);
9246             if (NSString *script = [components objectForKey:(id)kCFLocaleScriptCode])
9247                 language = [NSString stringWithFormat:@"%@-%@", language, script];
9248             languages += [language UTF8String];
9249             languages += ",";
9250         }
9251
9252     languages += "en";
9253     NSLog(@"Setting Language: [%s] %s", translation, languages.c_str());
9254     /* }}} */
9255     /* Index Collation {{{ */
9256     if (Class $UILocalizedIndexedCollation = objc_getClass("UILocalizedIndexedCollation")) { @try {
9257         NSBundle *bundle([NSBundle bundleForClass:$UILocalizedIndexedCollation]);
9258         NSString *path([bundle pathForResource:@"UITableViewLocalizedSectionIndex" ofType:@"plist"]);
9259         //path = @"/System/Library/Frameworks/UIKit.framework/.lproj/UITableViewLocalizedSectionIndex.plist";
9260         NSDictionary *dictionary([NSDictionary dictionaryWithContentsOfFile:path]);
9261         _H<UILocalizedIndexedCollation> collation([[[$UILocalizedIndexedCollation alloc] initWithDictionary:dictionary] autorelease]);
9262
9263         CollationLocale_ = MSHookIvar<NSLocale *>(collation, "_locale");
9264
9265         if (kCFCoreFoundationVersionNumber >= 800 && [[CollationLocale_ localeIdentifier] isEqualToString:@"zh@collation=stroke"]) {
9266             CollationThumbs_ = [NSArray arrayWithObjects:@"1",@"•",@"4",@"•",@"7",@"•",@"10",@"•",@"13",@"•",@"16",@"•",@"19",@"A",@"•",@"E",@"•",@"I",@"•",@"M",@"•",@"R",@"•",@"V",@"•",@"Z",@"#",nil];
9267             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})
9268                 CollationOffset_.push_back(offset);
9269             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];
9270             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];
9271         } else {
9272
9273         CollationThumbs_ = [collation sectionIndexTitles];
9274         for (size_t index(0), end([CollationThumbs_ count]); index != end; ++index)
9275             CollationOffset_.push_back([collation sectionForSectionIndexTitleAtIndex:index]);
9276
9277         CollationTitles_ = [collation sectionTitles];
9278         CollationStarts_ = MSHookIvar<NSArray *>(collation, "_sectionStartStrings");
9279
9280         NSString *&transform(MSHookIvar<NSString *>(collation, "_transform"));
9281         if (&transform != NULL && transform != nil) {
9282             /*if ([collation respondsToSelector:@selector(transformedCollationStringForString:)])
9283                 CollationModify_ = [=](NSString *value) { return [collation transformedCollationStringForString:value]; };*/
9284             const UChar *uid(reinterpret_cast<const UChar *>([transform cStringUsingEncoding:NSUnicodeStringEncoding]));
9285             UErrorCode code(U_ZERO_ERROR);
9286             CollationTransl_ = utrans_openU(uid, -1, UTRANS_FORWARD, NULL, 0, NULL, &code);
9287             if (!U_SUCCESS(code))
9288                 NSLog(@"%s", u_errorName(code));
9289         }
9290
9291         }
9292     } @catch (NSException *e) {
9293         NSLog(@"%@", e);
9294         goto hard;
9295     } } else hard: {
9296         CollationLocale_ = [[[NSLocale alloc] initWithLocaleIdentifier:@"en@collation=dictionary"] autorelease];
9297
9298         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];
9299         for (NSInteger offset(0); offset != 28; ++offset)
9300             CollationOffset_.push_back(offset);
9301
9302         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];
9303         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];
9304     }
9305     /* }}} */
9306
9307     App_ = [[NSBundle mainBundle] bundlePath];
9308     Advanced_ = YES;
9309
9310     Cache_ = [[NSString stringWithFormat:@"%@/Library/Caches/com.saurik.Cydia", @"/var/mobile"] retain];
9311     mkdir([Cache_ UTF8String], 0755);
9312
9313     /*Method alloc = class_getClassMethod([NSObject class], @selector(alloc));
9314     alloc_ = alloc->method_imp;
9315     alloc->method_imp = (IMP) &Alloc_;*/
9316
9317     /*Method dealloc = class_getClassMethod([NSObject class], @selector(dealloc));
9318     dealloc_ = dealloc->method_imp;
9319     dealloc->method_imp = (IMP) &Dealloc_;*/
9320
9321     void *gestalt(dlopen("/usr/lib/libMobileGestalt.dylib", RTLD_GLOBAL | RTLD_LAZY));
9322     $MGCopyAnswer = reinterpret_cast<CFStringRef (*)(CFStringRef)>(dlsym(gestalt, "MGCopyAnswer"));
9323     UniqueID_ = UniqueIdentifier([UIDevice currentDevice]);
9324
9325     /* System Information {{{ */
9326     size_t size;
9327
9328     int maxproc;
9329     size = sizeof(maxproc);
9330     if (sysctlbyname("kern.maxproc", &maxproc, &size, NULL, 0) == -1)
9331         perror("sysctlbyname(\"kern.maxproc\", ?)");
9332     else if (maxproc < 64) {
9333         maxproc = 64;
9334         if (sysctlbyname("kern.maxproc", NULL, NULL, &maxproc, sizeof(maxproc)) == -1)
9335             perror("sysctlbyname(\"kern.maxproc\", #)");
9336     }
9337     /* }}} */
9338     /* Load Database {{{ */
9339     SectionMap_ = [[[NSDictionary alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Sections" ofType:@"plist"]] autorelease];
9340
9341     _trace();
9342     mkdir("/var/mobile/Library/Cydia", 0755);
9343     MetaFile_.Open("/var/mobile/Library/Cydia/metadata.cb0");
9344     _trace();
9345
9346     Values_ = AutoreleaseDeepMutableCopyOfDictionary(CFPreferencesCopyAppValue(CFSTR("CydiaValues"), CFSTR("com.saurik.Cydia")));
9347     Sections_ = AutoreleaseDeepMutableCopyOfDictionary(CFPreferencesCopyAppValue(CFSTR("CydiaSections"), CFSTR("com.saurik.Cydia")));
9348     Sources_ = AutoreleaseDeepMutableCopyOfDictionary(CFPreferencesCopyAppValue(CFSTR("CydiaSources"), CFSTR("com.saurik.Cydia")));
9349     Version_ = [(NSNumber *) CFPreferencesCopyAppValue(CFSTR("CydiaVersion"), CFSTR("com.saurik.Cydia")) autorelease];
9350
9351     _trace();
9352     NSDictionary *metadata([[[NSMutableDictionary alloc] initWithContentsOfFile:@"/var/lib/cydia/metadata.plist"] autorelease]);
9353
9354     if (Values_ == nil)
9355         Values_ = [metadata objectForKey:@"Values"];
9356     if (Values_ == nil)
9357         Values_ = [[[NSMutableDictionary alloc] initWithCapacity:4] autorelease];
9358
9359     if (Sections_ == nil)
9360         Sections_ = [metadata objectForKey:@"Sections"];
9361     if (Sections_ == nil)
9362         Sections_ = [[[NSMutableDictionary alloc] initWithCapacity:32] autorelease];
9363
9364     if (Sources_ == nil)
9365         Sources_ = [metadata objectForKey:@"Sources"];
9366     if (Sources_ == nil)
9367         Sources_ = [[[NSMutableDictionary alloc] initWithCapacity:0] autorelease];
9368
9369     // XXX: this wrong, but in a way that doesn't matter :/
9370     if (Version_ == nil)
9371         Version_ = [metadata objectForKey:@"Version"];
9372     if (Version_ == nil)
9373         Version_ = [NSNumber numberWithUnsignedInt:0];
9374
9375     if (NSDictionary *packages = [metadata objectForKey:@"Packages"]) {
9376         bool fail(false);
9377         CFDictionaryApplyFunction((CFDictionaryRef) packages, &PackageImport, &fail);
9378         _trace();
9379         if (fail)
9380             NSLog(@"unable to import package preferences... from 2010? oh well :/");
9381     }
9382
9383     if ([Version_ unsignedIntValue] == 0) {
9384         CydiaAddSource(@"http://apt.thebigboss.org/repofiles/cydia/", @"stable", [NSMutableArray arrayWithObject:@"main"]);
9385         CydiaAddSource(@"http://apt.modmyi.com/", @"stable", [NSMutableArray arrayWithObject:@"main"]);
9386         CydiaAddSource(@"http://cydia.zodttd.com/repo/cydia/", @"stable", [NSMutableArray arrayWithObject:@"main"]);
9387         CydiaAddSource(@"http://repo666.ultrasn0w.com/", @"./");
9388
9389         Version_ = [NSNumber numberWithUnsignedInt:1];
9390
9391         if (NSMutableDictionary *cache = [NSMutableDictionary dictionaryWithContentsOfFile:@ CacheState_]) {
9392             [cache removeObjectForKey:@"LastUpdate"];
9393             [cache writeToFile:@ CacheState_ atomically:YES];
9394         }
9395     }
9396
9397     _H<NSMutableArray> broken([NSMutableArray array]);
9398     for (NSString *key in (id) Sources_)
9399         if ([key rangeOfCharacterFromSet:[NSCharacterSet characterSetWithCharactersInString:@"# "]].location != NSNotFound || ![([[Sources_ objectForKey:key] objectForKey:@"URI"] ?: @"/") hasSuffix:@"/"])
9400             [broken addObject:key];
9401     if ([broken count] != 0)
9402         for (NSString *key in (id) broken)
9403             [Sources_ removeObjectForKey:key];
9404     broken = nil;
9405
9406     SaveConfig(nil);
9407     system("/usr/libexec/cydia/cydo /bin/rm -f /var/lib/cydia/metadata.plist");
9408     /* }}} */
9409
9410     Finishes_ = [NSArray arrayWithObjects:@"return", @"reopen", @"restart", @"reload", @"reboot", nil];
9411
9412     if (kCFCoreFoundationVersionNumber > 1000)
9413         system("/usr/libexec/cydia/cydo /usr/libexec/cydia/setnsfpn /var/lib");
9414
9415     int version([[NSString stringWithContentsOfFile:@"/var/lib/cydia/firmware.ver"] intValue]);
9416
9417     if (access("/User", F_OK) != 0 || version != 6) {
9418         _trace();
9419         system("/usr/libexec/cydia/cydo /usr/libexec/cydia/firmware.sh");
9420         _trace();
9421     }
9422
9423     if (access("/tmp/cydia.chk", F_OK) == 0) {
9424         if (unlink([Cache("pkgcache.bin") UTF8String]) == -1)
9425             _assert(errno == ENOENT);
9426         if (unlink([Cache("srcpkgcache.bin") UTF8String]) == -1)
9427             _assert(errno == ENOENT);
9428     }
9429
9430     system("/usr/libexec/cydia/cydo /bin/ln -sf /var/mobile/Library/Caches/com.saurik.Cydia/sources.list /etc/apt/sources.list.d/cydia.list");
9431
9432     /* APT Initialization {{{ */
9433     _assert(pkgInitConfig(*_config));
9434     _assert(pkgInitSystem(*_config, _system));
9435
9436     _config->Set("Acquire::AllowInsecureRepositories", true);
9437     _config->Set("Acquire::Check-Valid-Until", false);
9438     _config->Set("Dir::Bin::Methods::store", "/Applications/Cydia.app/store");
9439
9440     _config->Set("pkgCacheGen::ForceEssential", "");
9441
9442     if (translation != NULL)
9443         _config->Set("APT::Acquire::Translation", translation);
9444     _config->Set("Acquire::Languages", languages);
9445
9446     // XXX: this timeout might be important :(
9447     //_config->Set("Acquire::http::Timeout", 15);
9448
9449     int64_t usermem(0);
9450     size = sizeof(usermem);
9451     if (sysctlbyname("hw.usermem", &usermem, &size, NULL, 0) == -1)
9452         usermem = 0;
9453     _config->Set("Acquire::http::MaxParallel", usermem >= 384 * 1024 * 1024 ? 16 : 3);
9454
9455     mkdir([Cache("archives") UTF8String], 0755);
9456     mkdir([Cache("archives/partial") UTF8String], 0755);
9457     _config->Set("Dir::Cache", [Cache_ UTF8String]);
9458
9459     symlink("/var/lib/apt/extended_states", [Cache("extended_states") UTF8String]);
9460     _config->Set("Dir::State", [Cache_ UTF8String]);
9461
9462     mkdir([Cache("lists") UTF8String], 0755);
9463     mkdir([Cache("lists/partial") UTF8String], 0755);
9464     mkdir([Cache("periodic") UTF8String], 0755);
9465     _config->Set("Dir::State::Lists", [Cache("lists") UTF8String]);
9466
9467     std::string logs("/var/mobile/Library/Logs/Cydia");
9468     mkdir(logs.c_str(), 0755);
9469     _config->Set("Dir::Log", logs);
9470
9471     _config->Set("Dir::Bin::dpkg", "/usr/libexec/cydia/cydo");
9472     /* }}} */
9473     /* Color Choices {{{ */
9474     space_ = CGColorSpaceCreateDeviceRGB();
9475
9476     Blue_.Set(space_, 0.2, 0.2, 1.0, 1.0);
9477     Blueish_.Set(space_, 0x19/255.f, 0x32/255.f, 0x50/255.f, 1.0);
9478     Black_.Set(space_, 0.0, 0.0, 0.0, 1.0);
9479     Folder_.Set(space_, 0x8e/255.f, 0x8e/255.f, 0x93/255.f, 1.0);
9480     Off_.Set(space_, 0.9, 0.9, 0.9, 1.0);
9481     White_.Set(space_, 1.0, 1.0, 1.0, 1.0);
9482     Gray_.Set(space_, 0.4, 0.4, 0.4, 1.0);
9483     Green_.Set(space_, 0.0, 0.5, 0.0, 1.0);
9484     Purple_.Set(space_, 0.0, 0.0, 0.7, 1.0);
9485     Purplish_.Set(space_, 0.4, 0.4, 0.8, 1.0);
9486
9487     InstallingColor_ = [UIColor colorWithRed:0.88f green:1.00f blue:0.88f alpha:1.00f];
9488     RemovingColor_ = [UIColor colorWithRed:1.00f green:0.88f blue:0.88f alpha:1.00f];
9489     /* }}}*/
9490     /* UIKit Configuration {{{ */
9491     // XXX: I have a feeling this was important
9492     //UIKeyboardDisableAutomaticAppearance();
9493     /* }}} */
9494
9495     $SBSSetInterceptsMenuButtonForever = reinterpret_cast<void (*)(bool)>(dlsym(RTLD_DEFAULT, "SBSSetInterceptsMenuButtonForever"));
9496     $SBSCopyIconImagePNGDataForDisplayIdentifier = reinterpret_cast<NSData *(*)(NSString *)>(dlsym(RTLD_DEFAULT, "SBSCopyIconImagePNGDataForDisplayIdentifier"));
9497
9498     const char *symbol(kCFCoreFoundationVersionNumber >= 800 ? "MGGetBoolAnswer" : "GSSystemHasCapability");
9499     BOOL (*GSSystemHasCapability)(CFStringRef) = reinterpret_cast<BOOL (*)(CFStringRef)>(dlsym(RTLD_DEFAULT, symbol));
9500     bool fast = GSSystemHasCapability != NULL && GSSystemHasCapability(CFSTR("armv7"));
9501
9502     PulseInterval_ = fast ? 50000 : 500000;
9503
9504     Colon_ = UCLocalize("COLON_DELIMITED");
9505     Elision_ = UCLocalize("ELISION");
9506     Error_ = UCLocalize("ERROR");
9507     Warning_ = UCLocalize("WARNING");
9508
9509     _trace();
9510     int value(UIApplicationMain(argc, argv, @"Cydia", @"Cydia"));
9511
9512     CGColorSpaceRelease(space_);
9513     CFRelease(Locale_);
9514
9515     [pool release];
9516     return value;
9517 }