MobileCydia.mm

   1 /* Cydia - iPhone UIKit Front-End for Debian APT
   2  * Copyright (C) 2008-2011  Jay Freeman (saurik)
   3 */
   4
   5 /* Modified BSD License {{{ */
   6 /*
   7  *        Redistribution and use in source and binary
   8  * forms, with or without modification, are permitted
   9  * provided that the following conditions are met:
  10  *
  11  * 1. Redistributions of source code must retain the
  12  *    above copyright notice, this list of conditions
  13  *    and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the
  15  *    above copyright notice, this list of conditions
  16  *    and the following disclaimer in the documentation
  17  *    and/or other materials provided with the
  18  *    distribution.
  19  * 3. The name of the author may not be used to endorse
  20  *    or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
  24  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
  25  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  26  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
  28  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  29  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  30  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  31  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  33  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  34  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  35  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  36  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37 */
  38 /* }}} */
  39
  40 // XXX: wtf/FastMalloc.h... wtf?
  41 #define USE_SYSTEM_MALLOC 1
  42
  43 /* #include Directives {{{ */
  44 #include "CyteKit/UCPlatform.h"
  45 #include "CyteKit/Localize.h"
  46
  47 #include <objc/objc.h>
  48 #include <objc/runtime.h>
  49
  50 #include <CoreGraphics/CoreGraphics.h>
  51 #include <Foundation/Foundation.h>
  52
  53 #if 0
  54 #define DEPLOYMENT_TARGET_MACOSX 1
  55 #define CF_BUILDING_CF 1
  56 #include <CoreFoundation/CFInternal.h>
  57 #endif
  58
  59 #include <CoreFoundation/CFPriv.h>
  60 #include <CoreFoundation/CFUniChar.h>
  61
  62 #include <SystemConfiguration/SystemConfiguration.h>
  63
  64 #include <UIKit/UIKit.h>
  65 #include "iPhonePrivate.h"
  66
  67 #include <IOKit/IOKitLib.h>
  68
  69 #include <QuartzCore/CALayer.h>
  70
  71 #include <WebCore/WebCoreThread.h>
  72
  73 #include <algorithm>
  74 #include <iomanip>
  75 #include <sstream>
  76 #include <string>
  77
  78 #include <ext/stdio_filebuf.h>
  79
  80 #undef ABS
  81
  82 #include <apt-pkg/acquire.h>
  83 #include <apt-pkg/acquire-item.h>
  84 #include <apt-pkg/algorithms.h>
  85 #include <apt-pkg/cachefile.h>
  86 #include <apt-pkg/clean.h>
  87 #include <apt-pkg/configuration.h>
  88 #include <apt-pkg/debindexfile.h>
  89 #include <apt-pkg/debmetaindex.h>
  90 #include <apt-pkg/error.h>
  91 #include <apt-pkg/init.h>
  92 #include <apt-pkg/mmap.h>
  93 #include <apt-pkg/pkgrecords.h>
  94 #include <apt-pkg/sha1.h>
  95 #include <apt-pkg/sourcelist.h>
  96 #include <apt-pkg/sptr.h>
  97 #include <apt-pkg/strutl.h>
  98 #include <apt-pkg/tagfile.h>
  99
 100 #include <apr-1/apr_pools.h>
 101
 102 #include <sys/types.h>
 103 #include <sys/stat.h>
 104 #include <sys/sysctl.h>
 105 #include <sys/param.h>
 106 #include <sys/mount.h>
 107 #include <sys/reboot.h>
 108
 109 #include <fcntl.h>
 110 #include <notify.h>
 111 #include <dlfcn.h>
 112
 113 extern "C" {
 114 #include <mach-o/nlist.h>
 115 }
 116
 117 #include <cstdio>
 118 #include <cstdlib>
 119 #include <cstring>
 120
 121 #include <errno.h>
 122
 123 #include <Cytore.hpp>
 124
 125 #include <CydiaSubstrate/CydiaSubstrate.h>
 126 #include "Menes/Menes.h"
 127
 128 #include "CyteKit/PerlCompatibleRegEx.hpp"
 129 #include "CyteKit/TableViewCell.h"
 130 #include "CyteKit/WebScriptObject-Cyte.h"
 131 #include "CyteKit/WebViewController.h"
 132 #include "CyteKit/stringWithUTF8Bytes.h"
 133
 134 #include "Cydia/MIMEAddress.h"
 135 #include "Cydia/LoadingViewController.h"
 136 #include "Cydia/ProgressEvent.h"
 137
 138 #include "SDURLCache/SDURLCache.h"
 139 /* }}} */
 140
 141 /* Profiler {{{ */
 142 struct timeval _ltv;
 143 bool _itv;
 144
 145 #define _timestamp ({ \
 146     struct timeval tv; \
 147     gettimeofday(&tv, NULL); \
 148     tv.tv_sec * 1000000 + tv.tv_usec; \
 149 })
 150
 151 typedef std::vector<class ProfileTime *> TimeList;
 152 TimeList times_;
 153
 154 class ProfileTime {
 155   private:
 156     const char *name_;
 157     uint64_t total_;
 158     uint64_t count_;
 159
 160   public:
 161     ProfileTime(const char *name) :
 162         name_(name),
 163         total_(0)
 164     {
 165         times_.push_back(this);
 166     }
 167
 168     void AddTime(uint64_t time) {
 169         total_ += time;
 170         ++count_;
 171     }
 172
 173     void Print() {
 174         if (total_ != 0)
 175             std::cerr << std::setw(5) << count_ << ", " << std::setw(7) << total_ << " : " << name_ << std::endl;
 176         total_ = 0;
 177         count_ = 0;
 178     }
 179 };
 180
 181 class ProfileTimer {
 182   private:
 183     ProfileTime &time_;
 184     uint64_t start_;
 185
 186   public:
 187     ProfileTimer(ProfileTime &time) :
 188         time_(time),
 189         start_(_timestamp)
 190     {
 191     }
 192
 193     ~ProfileTimer() {
 194         time_.AddTime(_timestamp - start_);
 195     }
 196 };
 197
 198 void PrintTimes() {
 199     for (TimeList::const_iterator i(times_.begin()); i != times_.end(); ++i)
 200         (*i)->Print();
 201     std::cerr << "========" << std::endl;
 202 }
 203
 204 #define _profile(name) { \
 205     static ProfileTime name(#name); \
 206     ProfileTimer _ ## name(name);
 207
 208 #define _end }
 209 /* }}} */
 210
 211 extern NSString *Cydia_;
 212
 213 #define lprintf(args...) fprintf(stderr, args)
 214
 215 #define ForRelease 1
 216 #define TraceLogging (1 && !ForRelease)
 217 #define HistogramInsertionSort (!ForRelease ? 0 : 0)
 218 #define ProfileTimes (0 && !ForRelease)
 219 #define ForSaurik (0 && !ForRelease)
 220 #define LogBrowser (0 && !ForRelease)
 221 #define TrackResize (0 && !ForRelease)
 222 #define ManualRefresh (1 && !ForRelease)
 223 #define ShowInternals (0 && !ForRelease)
 224 #define AlwaysReload (0 && !ForRelease)
 225 #define TryIndexedCollation (0 && !ForRelease)
 226
 227 #if !TraceLogging
 228 #undef _trace
 229 #define _trace(args...)
 230 #endif
 231
 232 #if !ProfileTimes
 233 #undef _profile
 234 #define _profile(name) {
 235 #undef _end
 236 #define _end }
 237 #define PrintTimes() do {} while (false)
 238 #endif
 239
 240 // Hash Functions/Structures {{{
 241 extern "C" uint32_t hashlittle(const void *key, size_t length, uint32_t initval = 0);
 242
 243 union SplitHash {
 244     uint32_t u32;
 245     uint16_t u16[2];
 246 };
 247 // }}}
 248
 249 static NSString *Colon_;
 250 NSString *Elision_;
 251 static NSString *Error_;
 252 static NSString *Warning_;
 253
 254 static const NSUInteger UIViewAutoresizingFlexibleBoth(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight);
 255
 256 static _finline NSString *CydiaURL(NSString *path) {
 257     char page[26];
 258     page[0] = 'h'; page[1] = 't'; page[2] = 't'; page[3] = 'p'; page[4] = 's';
 259     page[5] = ':'; page[6] = '/'; page[7] = '/'; page[8] = 'c'; page[9] = 'y';
 260     page[10] = 'd'; page[11] = 'i'; page[12] = 'a'; page[13] = '.'; page[14] = 's';
 261     page[15] = 'a'; page[16] = 'u'; page[17] = 'r'; page[18] = 'i'; page[19] = 'k';
 262     page[20] = '.'; page[21] = 'c'; page[22] = 'o'; page[23] = 'm'; page[24] = '/';
 263     page[25] = '\0';
 264     return [[NSString stringWithUTF8String:page] stringByAppendingString:path];
 265 }
 266
 267 static _finline void UpdateExternalStatus(uint64_t newStatus) {
 268     int notify_token;
 269     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
 270         notify_set_state(notify_token, newStatus);
 271         notify_cancel(notify_token);
 272     }
 273     notify_post("com.saurik.Cydia.status");
 274 }
 275
 276 static CGFloat CYStatusBarHeight() {
 277     CGSize size([[UIApplication sharedApplication] statusBarFrame].size);
 278     return UIInterfaceOrientationIsPortrait([[UIApplication sharedApplication] statusBarOrientation]) ? size.height : size.width;
 279 }
 280
 281 /* NSForcedOrderingSearch doesn't work on the iPhone */
 282 static const NSStringCompareOptions MatchCompareOptions_ = NSLiteralSearch | NSCaseInsensitiveSearch;
 283 static const NSStringCompareOptions LaxCompareOptions_ = NSNumericSearch | NSDiacriticInsensitiveSearch | NSWidthInsensitiveSearch | NSCaseInsensitiveSearch;
 284 static const CFStringCompareFlags LaxCompareFlags_ = kCFCompareCaseInsensitive | kCFCompareNonliteral | kCFCompareLocalized | kCFCompareNumerically | kCFCompareWidthInsensitive | kCFCompareForcedOrdering;
 285
 286 /* Insertion Sort {{{ */
 287
 288 CFIndex SKBSearch_(const void *element, CFIndex elementSize, const void *list, CFIndex count, CFComparatorFunction comparator, void *context) {
 289     const char *ptr = (const char *)list;
 290     while (0 < count) {
 291         CFIndex half = count / 2;
 292         const char *probe = ptr + elementSize * half;
 293         CFComparisonResult cr = comparator(element, probe, context);
 294     if (0 == cr) return (probe - (const char *)list) / elementSize;
 295         ptr = (cr < 0) ? ptr : probe + elementSize;
 296         count = (cr < 0) ? half : (half + (count & 1) - 1);
 297     }
 298     return (ptr - (const char *)list) / elementSize;
 299 }
 300
 301 CFIndex CFBSearch_(const void *element, CFIndex elementSize, const void *list, CFIndex count, CFComparatorFunction comparator, void *context) {
 302     const char *ptr = (const char *)list;
 303     while (0 < count) {
 304         CFIndex half = count / 2;
 305         const char *probe = ptr + elementSize * half;
 306         CFComparisonResult cr = comparator(element, probe, context);
 307     if (0 == cr) return (probe - (const char *)list) / elementSize;
 308         ptr = (cr < 0) ? ptr : probe + elementSize;
 309         count = (cr < 0) ? half : (half + (count & 1) - 1);
 310     }
 311     return (ptr - (const char *)list) / elementSize;
 312 }
 313
 314 void CFArrayInsertionSortValues(CFMutableArrayRef array, CFRange range, CFComparatorFunction comparator, void *context) {
 315     if (range.length == 0)
 316         return;
 317     const void **values(new const void *[range.length]);
 318     CFArrayGetValues(array, range, values);
 319
 320 #if HistogramInsertionSort > 0
 321     uint32_t total(0), *offsets(new uint32_t[range.length]);
 322 #endif
 323
 324     for (CFIndex index(1); index != range.length; ++index) {
 325         const void *value(values[index]);
 326         //CFIndex correct(SKBSearch_(&value, sizeof(const void *), values, index, comparator, context));
 327         CFIndex correct(index);
 328         while (comparator(value, values[correct - 1], context) == kCFCompareLessThan) {
 329 #if HistogramInsertionSort > 1
 330             NSLog(@"%@ < %@", value, values[correct - 1]);
 331 #endif
 332             if (--correct == 0)
 333                 break;
 334         }
 335         if (correct != index) {
 336             size_t offset(index - correct);
 337 #if HistogramInsertionSort
 338             total += offset;
 339             ++offsets[offset];
 340             if (offset > 10)
 341                 NSLog(@"Heavy Insertion Displacement: %u = %@", offset, value);
 342 #endif
 343             memmove(values + correct + 1, values + correct, sizeof(const void *) * offset);
 344             values[correct] = value;
 345         }
 346     }
 347
 348     CFArrayReplaceValues(array, range, values, range.length);
 349     delete [] values;
 350
 351 #if HistogramInsertionSort > 0
 352     for (CFIndex index(0); index != range.length; ++index)
 353         if (offsets[index] != 0)
 354             NSLog(@"Insertion Displacement [%u]: %u", index, offsets[index]);
 355     NSLog(@"Average Insertion Displacement: %f", double(total) / range.length);
 356     delete [] offsets;
 357 #endif
 358 }
 359
 360 /* }}} */
 361
 362 /* Apple Bug Fixes {{{ */
 363 @implementation UIWebDocumentView (Cydia)
 364
 365 - (void) _setScrollerOffset:(CGPoint)offset {
 366     UIScroller *scroller([self _scroller]);
 367
 368     CGSize size([scroller contentSize]);
 369     CGSize bounds([scroller bounds].size);
 370
 371     CGPoint max;
 372     max.x = size.width - bounds.width;
 373     max.y = size.height - bounds.height;
 374
 375     // wtf Apple?!
 376     if (max.x < 0)
 377         max.x = 0;
 378     if (max.y < 0)
 379         max.y = 0;
 380
 381     offset.x = offset.x < 0 ? 0 : offset.x > max.x ? max.x : offset.x;
 382     offset.y = offset.y < 0 ? 0 : offset.y > max.y ? max.y : offset.y;
 383
 384     [scroller setOffset:offset];
 385 }
 386
 387 @end
 388 /* }}} */
 389
 390 NSUInteger DOMNodeList$countByEnumeratingWithState$objects$count$(DOMNodeList *self, SEL sel, NSFastEnumerationState *state, id *objects, NSUInteger count) {
 391     size_t length([self length] - state->state);
 392     if (length <= 0)
 393         return 0;
 394     else if (length > count)
 395         length = count;
 396     for (size_t i(0); i != length; ++i)
 397         objects[i] = [self item:state->state++];
 398     state->itemsPtr = objects;
 399     state->mutationsPtr = (unsigned long *) self;
 400     return length;
 401 }
 402
 403 /* Cydia NSString Additions {{{ */
 404 @interface NSString (Cydia)
 405 - (NSComparisonResult) compareByPath:(NSString *)other;
 406 - (NSString *) stringByCachingURLWithCurrentCDN;
 407 - (NSString *) stringByAddingPercentEscapesIncludingReserved;
 408 @end
 409
 410 @implementation NSString (Cydia)
 411
 412 - (NSComparisonResult) compareByPath:(NSString *)other {
 413     NSString *prefix = [self commonPrefixWithString:other options:0];
 414     size_t length = [prefix length];
 415
 416     NSRange lrange = NSMakeRange(length, [self length] - length);
 417     NSRange rrange = NSMakeRange(length, [other length] - length);
 418
 419     lrange = [self rangeOfString:@"/" options:0 range:lrange];
 420     rrange = [other rangeOfString:@"/" options:0 range:rrange];
 421
 422     NSComparisonResult value;
 423
 424     if (lrange.location == NSNotFound && rrange.location == NSNotFound)
 425         value = NSOrderedSame;
 426     else if (lrange.location == NSNotFound)
 427         value = NSOrderedAscending;
 428     else if (rrange.location == NSNotFound)
 429         value = NSOrderedDescending;
 430     else
 431         value = NSOrderedSame;
 432
 433     NSString *lpath = lrange.location == NSNotFound ? [self substringFromIndex:length] :
 434         [self substringWithRange:NSMakeRange(length, lrange.location - length)];
 435     NSString *rpath = rrange.location == NSNotFound ? [other substringFromIndex:length] :
 436         [other substringWithRange:NSMakeRange(length, rrange.location - length)];
 437
 438     NSComparisonResult result = [lpath compare:rpath];
 439     return result == NSOrderedSame ? value : result;
 440 }
 441
 442 - (NSString *) stringByCachingURLWithCurrentCDN {
 443     return [self
 444         stringByReplacingOccurrencesOfString:@"://cydia.saurik.com/"
 445         withString:@"://cache.cydia.saurik.com/"
 446     ];
 447 }
 448
 449 - (NSString *) stringByAddingPercentEscapesIncludingReserved {
 450     return [(id)CFURLCreateStringByAddingPercentEscapes(
 451         kCFAllocatorDefault,
 452         (CFStringRef) self,
 453         NULL,
 454         CFSTR(";/?:@&=+$,"),
 455         kCFStringEncodingUTF8
 456     ) autorelease];
 457 }
 458
 459 @end
 460 /* }}} */
 461
 462 /* C++ NSString Wrapper Cache {{{ */
 463 static _finline CFStringRef CYStringCreate(const char *data, size_t size) {
 464     return size == 0 ? NULL :
 465         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingUTF8, NO, kCFAllocatorNull) ?:
 466         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingISOLatin1, NO, kCFAllocatorNull);
 467 }
 468
 469 static _finline CFStringRef CYStringCreate(const char *data) {
 470     return CYStringCreate(data, strlen(data));
 471 }
 472
 473 class CYString {
 474   private:
 475     char *data_;
 476     size_t size_;
 477     CFStringRef cache_;
 478
 479     _finline void clear_() {
 480         if (cache_ != NULL) {
 481             CFRelease(cache_);
 482             cache_ = NULL;
 483         }
 484     }
 485
 486   public:
 487     _finline bool empty() const {
 488         return size_ == 0;
 489     }
 490
 491     _finline size_t size() const {
 492         return size_;
 493     }
 494
 495     _finline char *data() const {
 496         return data_;
 497     }
 498
 499     _finline void clear() {
 500         size_ = 0;
 501         clear_();
 502     }
 503
 504     _finline CYString() :
 505         data_(0),
 506         size_(0),
 507         cache_(NULL)
 508     {
 509     }
 510
 511     _finline ~CYString() {
 512         clear_();
 513     }
 514
 515     void operator =(const CYString &rhs) {
 516         data_ = rhs.data_;
 517         size_ = rhs.size_;
 518
 519         if (rhs.cache_ == nil)
 520             cache_ = NULL;
 521         else
 522             cache_ = reinterpret_cast<CFStringRef>(CFRetain(rhs.cache_));
 523     }
 524
 525     void copy(apr_pool_t *pool) {
 526         char *temp(reinterpret_cast<char *>(apr_palloc(pool, size_ + 1)));
 527         memcpy(temp, data_, size_);
 528         temp[size_] = '\0';
 529         data_ = temp;
 530     }
 531
 532     void set(apr_pool_t *pool, const char *data, size_t size) {
 533         if (size == 0)
 534             clear();
 535         else {
 536             clear_();
 537
 538             data_ = const_cast<char *>(data);
 539             size_ = size;
 540
 541             if (pool != NULL)
 542                 copy(pool);
 543         }
 544     }
 545
 546     _finline void set(apr_pool_t *pool, const char *data) {
 547         set(pool, data, data == NULL ? 0 : strlen(data));
 548     }
 549
 550     _finline void set(apr_pool_t *pool, const std::string &rhs) {
 551         set(pool, rhs.data(), rhs.size());
 552     }
 553
 554     bool operator ==(const CYString &rhs) const {
 555         return size_ == rhs.size_ && memcmp(data_, rhs.data_, size_) == 0;
 556     }
 557
 558     _finline operator CFStringRef() {
 559         if (cache_ == NULL)
 560             cache_ = CYStringCreate(data_, size_);
 561         return cache_;
 562     }
 563
 564     _finline operator id() {
 565         return (NSString *) static_cast<CFStringRef>(*this);
 566     }
 567
 568     _finline operator const char *() {
 569         return reinterpret_cast<const char *>(data_);
 570     }
 571 };
 572 /* }}} */
 573 /* C++ NSString Algorithm Adapters {{{ */
 574 extern "C" {
 575     CF_EXPORT CFHashCode CFStringHashNSString(CFStringRef str);
 576 }
 577
 578 struct NSStringMapHash :
 579     std::unary_function<NSString *, size_t>
 580 {
 581     _finline size_t operator ()(NSString *value) const {
 582         return CFStringHashNSString((CFStringRef) value);
 583     }
 584 };
 585
 586 struct NSStringMapLess :
 587     std::binary_function<NSString *, NSString *, bool>
 588 {
 589     _finline bool operator ()(NSString *lhs, NSString *rhs) const {
 590         return [lhs compare:rhs] == NSOrderedAscending;
 591     }
 592 };
 593
 594 struct NSStringMapEqual :
 595     std::binary_function<NSString *, NSString *, bool>
 596 {
 597     _finline bool operator ()(NSString *lhs, NSString *rhs) const {
 598         return CFStringCompare((CFStringRef) lhs, (CFStringRef) rhs, 0) == kCFCompareEqualTo;
 599         //CFEqual((CFTypeRef) lhs, (CFTypeRef) rhs);
 600         //[lhs isEqualToString:rhs];
 601     }
 602 };
 603 /* }}} */
 604
 605 /* CoreGraphics Primitives {{{ */
 606 class CYColor {
 607   private:
 608     CGColorRef color_;
 609
 610     static CGColorRef Create_(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
 611         CGFloat color[] = {red, green, blue, alpha};
 612         return CGColorCreate(space, color);
 613     }
 614
 615   public:
 616     CYColor() :
 617         color_(NULL)
 618     {
 619     }
 620
 621     CYColor(CGColorSpaceRef space, float red, float green, float blue, float alpha) :
 622         color_(Create_(space, red, green, blue, alpha))
 623     {
 624         Set(space, red, green, blue, alpha);
 625     }
 626
 627     void Clear() {
 628         if (color_ != NULL)
 629             CGColorRelease(color_);
 630     }
 631
 632     ~CYColor() {
 633         Clear();
 634     }
 635
 636     void Set(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
 637         Clear();
 638         color_ = Create_(space, red, green, blue, alpha);
 639     }
 640
 641     operator CGColorRef() {
 642         return color_;
 643     }
 644 };
 645 /* }}} */
 646
 647 /* Random Global Variables {{{ */
 648 static const int PulseInterval_ = 50000;
 649
 650 static const NSString *UI_;
 651
 652 static int Finish_;
 653 static bool RestartSubstrate_;
 654 static NSArray *Finishes_;
 655
 656 #define SpringBoard_ "/System/Library/LaunchDaemons/com.apple.SpringBoard.plist"
 657 #define NotifyConfig_ "/etc/notify.conf"
 658
 659 static bool Queuing_;
 660
 661 static CYColor Blue_;
 662 static CYColor Blueish_;
 663 static CYColor Black_;
 664 static CYColor Off_;
 665 static CYColor White_;
 666 static CYColor Gray_;
 667 static CYColor Green_;
 668 static CYColor Purple_;
 669 static CYColor Purplish_;
 670
 671 static UIColor *InstallingColor_;
 672 static UIColor *RemovingColor_;
 673
 674 static NSString *App_;
 675
 676 static BOOL Advanced_;
 677 static BOOL Ignored_;
 678
 679 static _H<UIFont> Font12_;
 680 static _H<UIFont> Font12Bold_;
 681 static _H<UIFont> Font14_;
 682 static _H<UIFont> Font18Bold_;
 683 static _H<UIFont> Font22Bold_;
 684
 685 static const char *Machine_ = NULL;
 686 static NSString *System_ = nil;
 687 static NSString *SerialNumber_ = nil;
 688 static NSString *ChipID_ = nil;
 689 static NSString *BBSNum_ = nil;
 690 static _H<NSString> Token_;
 691 static NSString *UniqueID_ = nil;
 692 static NSString *PLMN_ = nil;
 693 static NSString *Build_ = nil;
 694 static NSString *Product_ = nil;
 695 static NSString *Safari_ = nil;
 696
 697 static CFLocaleRef Locale_;
 698 static NSArray *Languages_;
 699 static CGColorSpaceRef space_;
 700
 701 static NSDictionary *SectionMap_;
 702 static NSMutableDictionary *Metadata_;
 703 static _transient NSMutableDictionary *Settings_;
 704 static _transient NSString *Role_;
 705 static _transient NSMutableDictionary *Packages_;
 706 static _transient NSMutableDictionary *Values_;
 707 static _transient NSMutableDictionary *Sections_;
 708 static _transient NSMutableDictionary *Sources_;
 709 static _transient NSNumber *Version_;
 710 static _transient _H<NSString> CydiaSource_;
 711 static bool Changed_;
 712 static time_t now_;
 713
 714 bool IsWildcat_;
 715 static CGFloat ScreenScale_;
 716 static NSString *Idiom_;
 717 static NSString *Firmware_;
 718 static NSString *Major_;
 719
 720 static _H<NSMutableDictionary> SessionData_;
 721 static _H<NSObject> HostConfig_;
 722 static _H<NSMutableSet> BridgedHosts_;
 723 static _H<NSMutableSet> TokenHosts_;
 724 static _H<NSMutableSet> InsecureHosts_;
 725 static _H<NSMutableSet> PipelinedHosts_;
 726 static _H<NSMutableSet> CachedURLs_;
 727
 728 static NSString *kCydiaProgressEventTypeError = @"Error";
 729 static NSString *kCydiaProgressEventTypeInformation = @"Information";
 730 static NSString *kCydiaProgressEventTypeStatus = @"Status";
 731 static NSString *kCydiaProgressEventTypeWarning = @"Warning";
 732 /* }}} */
 733
 734 static void AddSource(NSDictionary *source) {
 735     [Sources_ setObject:source forKey:[NSString stringWithFormat:@"%@:%@:%@", [source objectForKey:@"Type"], [source objectForKey:@"URI"], [source objectForKey:@"Distribution"]]];
 736     Changed_ = true;
 737 }
 738
 739 static void AddSource(NSString *href, NSString *distribution, NSArray *sections = nil) {
 740     AddSource([NSMutableDictionary dictionaryWithObjectsAndKeys:
 741         @"deb", @"Type",
 742         href, @"URI",
 743         distribution, @"Distribution",
 744         sections ?: [NSMutableArray array], @"Sections",
 745     nil]);
 746 }
 747
 748 static void WriteSources() {
 749     FILE *file(fopen("/etc/apt/sources.list.d/cydia.list", "w"));
 750     _assert(file != NULL);
 751
 752     NSString *distribution(@"ios");
 753     if (Firmware_ != nil)
 754         distribution = [distribution stringByAppendingString:[NSString stringWithFormat:@"-%@", Firmware_]];
 755
 756     fprintf(file, "deb http://%s/ %s main\n",
 757         [CydiaSource_ UTF8String],
 758         [distribution UTF8String]
 759     );
 760
 761     for (NSString *key in [Sources_ allKeys]) {
 762         NSDictionary *source([Sources_ objectForKey:key]);
 763
 764         NSArray *sections([source objectForKey:@"Sections"] ?: [NSArray array]);
 765
 766         fprintf(file, "%s %s %s%s%s\n",
 767             [[source objectForKey:@"Type"] UTF8String],
 768             [[source objectForKey:@"URI"] UTF8String],
 769             [[source objectForKey:@"Distribution"] UTF8String],
 770             [sections count] == 0 ? "" : " ",
 771             [[sections componentsJoinedByString:@" "] UTF8String]
 772         );
 773     }
 774
 775     fclose(file);
 776 }
 777
 778 /* Display Helpers {{{ */
 779 inline float Interpolate(float begin, float end, float fraction) {
 780     return (end - begin) * fraction + begin;
 781 }
 782
 783 static _finline const char *StripVersion_(const char *version) {
 784     const char *colon(strchr(version, ':'));
 785     return colon == NULL ? version : colon + 1;
 786 }
 787
 788 NSString *LocalizeSection(NSString *section) {
 789     static Pcre title_r("^(.*?) \\((.*)\\)$");
 790     if (title_r(section)) {
 791         NSString *parent(title_r[1]);
 792         NSString *child(title_r[2]);
 793
 794         return [NSString stringWithFormat:UCLocalize("PARENTHETICAL"),
 795             LocalizeSection(parent),
 796             LocalizeSection(child)
 797         ];
 798     }
 799
 800     return [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
 801 }
 802
 803 NSString *Simplify(NSString *title) {
 804     const char *data = [title UTF8String];
 805     size_t size = [title length];
 806
 807     static Pcre square_r("^\\[(.*)\\]$");
 808     if (square_r(data, size))
 809         return Simplify(square_r[1]);
 810
 811     static Pcre paren_r("^\\((.*)\\)$");
 812     if (paren_r(data, size))
 813         return Simplify(paren_r[1]);
 814
 815     static Pcre title_r("^(.*?) \\((.*)\\)$");
 816     if (title_r(data, size))
 817         return Simplify(title_r[1]);
 818
 819     return title;
 820 }
 821 /* }}} */
 822
 823 NSString *GetLastUpdate() {
 824     NSDate *update = [Metadata_ objectForKey:@"LastUpdate"];
 825
 826     if (update == nil)
 827         return UCLocalize("NEVER_OR_UNKNOWN");
 828
 829     CFDateFormatterRef formatter = CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle);
 830     CFStringRef formatted = CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) update);
 831
 832     CFRelease(formatter);
 833
 834     return [(NSString *) formatted autorelease];
 835 }
 836
 837 bool isSectionVisible(NSString *section) {
 838     NSDictionary *metadata([Sections_ objectForKey:(section ?: @"")]);
 839     NSNumber *hidden(metadata == nil ? nil : [metadata objectForKey:@"Hidden"]);
 840     return hidden == nil || ![hidden boolValue];
 841 }
 842
 843 static NSObject *CYIOGetValue(const char *path, NSString *property) {
 844     io_registry_entry_t entry(IORegistryEntryFromPath(kIOMasterPortDefault, path));
 845     if (entry == MACH_PORT_NULL)
 846         return nil;
 847
 848     CFTypeRef value(IORegistryEntryCreateCFProperty(entry, (CFStringRef) property, kCFAllocatorDefault, 0));
 849     IOObjectRelease(entry);
 850
 851     if (value == NULL)
 852         return nil;
 853     return [(id) value autorelease];
 854 }
 855
 856 static NSString *CYHex(NSData *data, bool reverse = false) {
 857     if (data == nil)
 858         return nil;
 859
 860     size_t length([data length]);
 861     uint8_t bytes[length];
 862     [data getBytes:bytes];
 863
 864     char string[length * 2 + 1];
 865     for (size_t i(0); i != length; ++i)
 866         sprintf(string + i * 2, "%.2x", bytes[reverse ? length - i - 1 : i]);
 867
 868     return [NSString stringWithUTF8String:string];
 869 }
 870
 871 @class Cydia;
 872
 873 /* Delegate Prototypes {{{ */
 874 @class Package;
 875 @class Source;
 876 @class CydiaProgressEvent;
 877
 878 @protocol DatabaseDelegate
 879 - (void) repairWithSelector:(SEL)selector;
 880 - (void) setConfigurationData:(NSString *)data;
 881 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task;
 882 @end
 883
 884 @class CYPackageController;
 885
 886 @protocol CydiaDelegate
 887 - (void) returnToCydia;
 888 - (void) saveState;
 889 - (void) retainNetworkActivityIndicator;
 890 - (void) releaseNetworkActivityIndicator;
 891 - (void) clearPackage:(Package *)package;
 892 - (void) installPackage:(Package *)package;
 893 - (void) installPackages:(NSArray *)packages;
 894 - (void) removePackage:(Package *)package;
 895 - (void) beginUpdate;
 896 - (BOOL) updating;
 897 - (void) distUpgrade;
 898 - (void) loadData;
 899 - (void) updateData;
 900 - (void) syncData;
 901 - (void) addSource:(NSDictionary *)source;
 902 - (void) addTrivialSource:(NSString *)href;
 903 - (void) showSettings;
 904 - (UIProgressHUD *) addProgressHUD;
 905 - (void) removeProgressHUD:(UIProgressHUD *)hud;
 906 - (CyteViewController *) pageForPackage:(NSString *)name;
 907 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item;
 908 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
 909 @end
 910 /* }}} */
 911
 912 /* Status Delegation {{{ */
 913 class Status :
 914     public pkgAcquireStatus
 915 {
 916   private:
 917     _transient NSObject<ProgressDelegate> *delegate_;
 918     bool cancelled_;
 919
 920   public:
 921     Status() :
 922         delegate_(nil),
 923         cancelled_(false)
 924     {
 925     }
 926
 927     void setDelegate(NSObject<ProgressDelegate> *delegate) {
 928         delegate_ = delegate;
 929     }
 930
 931     NSObject<ProgressDelegate> *getDelegate() const {
 932         return delegate_;
 933     }
 934
 935     virtual bool MediaChange(std::string media, std::string drive) {
 936         return false;
 937     }
 938
 939     virtual void IMSHit(pkgAcquire::ItemDesc &item) {
 940         Done(item);
 941     }
 942
 943     virtual void Fetch(pkgAcquire::ItemDesc &item) {
 944         NSString *name([NSString stringWithUTF8String:item.ShortDesc.c_str()]);
 945         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithFormat:UCLocalize("DOWNLOADING_"), name] ofType:kCydiaProgressEventTypeStatus forItem:item]);
 946         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
 947     }
 948
 949     virtual void Done(pkgAcquire::ItemDesc &item) {
 950         NSString *name([NSString stringWithUTF8String:item.ShortDesc.c_str()]);
 951         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithFormat:Colon_, UCLocalize("DONE"), name] ofType:kCydiaProgressEventTypeStatus forItem:item]);
 952         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
 953     }
 954
 955     virtual void Fail(pkgAcquire::ItemDesc &item) {
 956         if (
 957             item.Owner->Status == pkgAcquire::Item::StatIdle ||
 958             item.Owner->Status == pkgAcquire::Item::StatDone
 959         )
 960             return;
 961
 962         std::string &error(item.Owner->ErrorText);
 963         if (error.empty())
 964             return;
 965
 966         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:kCydiaProgressEventTypeError forItem:item]);
 967         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
 968     }
 969
 970     virtual bool Pulse(pkgAcquire *Owner) {
 971         bool value = pkgAcquireStatus::Pulse(Owner);
 972
 973         double percent(
 974             double(CurrentBytes + CurrentItems) /
 975             double(TotalBytes + TotalItems)
 976         );
 977
 978         [delegate_ performSelectorOnMainThread:@selector(setProgressStatus:) withObject:[NSDictionary dictionaryWithObjectsAndKeys:
 979             [NSNumber numberWithDouble:percent], @"Percent",
 980
 981             [NSNumber numberWithDouble:CurrentBytes], @"Current",
 982             [NSNumber numberWithDouble:TotalBytes], @"Total",
 983             [NSNumber numberWithDouble:CurrentCPS], @"Speed",
 984         nil] waitUntilDone:YES];
 985
 986         if (value && ![delegate_ isProgressCancelled])
 987             return true;
 988         else {
 989             cancelled_ = true;
 990             return false;
 991         }
 992     }
 993
 994     _finline bool WasCancelled() const {
 995         return cancelled_;
 996     }
 997
 998     virtual void Start() {
 999         pkgAcquireStatus::Start();
1000         [delegate_ performSelectorOnMainThread:@selector(setProgressCancellable:) withObject:[NSNumber numberWithBool:YES] waitUntilDone:YES];
1001     }
1002
1003     virtual void Stop() {
1004         pkgAcquireStatus::Stop();
1005         [delegate_ performSelectorOnMainThread:@selector(setProgressCancellable:) withObject:[NSNumber numberWithBool:NO] waitUntilDone:YES];
1006         [delegate_ performSelectorOnMainThread:@selector(setProgressStatus:) withObject:nil waitUntilDone:YES];
1007     }
1008 };
1009 /* }}} */
1010 /* Database Interface {{{ */
1011 typedef std::map< unsigned long, _H<Source> > SourceMap;
1012
1013 @interface Database : NSObject {
1014     NSZone *zone_;
1015     apr_pool_t *pool_;
1016
1017     unsigned era_;
1018
1019     pkgCacheFile cache_;
1020     pkgDepCache::Policy *policy_;
1021     pkgRecords *records_;
1022     pkgProblemResolver *resolver_;
1023     pkgAcquire *fetcher_;
1024     FileFd *lock_;
1025     SPtr<pkgPackageManager> manager_;
1026     pkgSourceList *list_;
1027
1028     SourceMap sourceMap_;
1029     _H<NSMutableArray> sourceList_;
1030
1031     CFMutableArrayRef packages_;
1032
1033     _transient NSObject<DatabaseDelegate> *delegate_;
1034     _transient NSObject<ProgressDelegate> *progress_;
1035
1036     Status status_;
1037
1038     int cydiafd_;
1039     int statusfd_;
1040     FILE *input_;
1041
1042     std::map<const char *, _H<NSString> > sections_;
1043 }
1044
1045 + (Database *) sharedInstance;
1046 - (unsigned) era;
1047
1048 - (void) _readCydia:(NSNumber *)fd;
1049 - (void) _readStatus:(NSNumber *)fd;
1050 - (void) _readOutput:(NSNumber *)fd;
1051
1052 - (FILE *) input;
1053
1054 - (Package *) packageWithName:(NSString *)name;
1055
1056 - (pkgCacheFile &) cache;
1057 - (pkgDepCache::Policy *) policy;
1058 - (pkgRecords *) records;
1059 - (pkgProblemResolver *) resolver;
1060 - (pkgAcquire &) fetcher;
1061 - (pkgSourceList &) list;
1062 - (NSArray *) packages;
1063 - (NSArray *) sources;
1064 - (Source *) sourceWithKey:(NSString *)key;
1065 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
1066
1067 - (void) configure;
1068 - (bool) prepare;
1069 - (void) perform;
1070 - (bool) upgrade;
1071 - (void) update;
1072
1073 - (void) updateWithStatus:(Status &)status;
1074
1075 - (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate;
1076
1077 - (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate;
1078 - (NSObject<ProgressDelegate> *) progressDelegate;
1079
1080 - (Source *) getSource:(pkgCache::PkgFileIterator)file;
1081
1082 - (NSString *) mappedSectionForPointer:(const char *)pointer;
1083
1084 @end
1085 /* }}} */
1086 /* ProgressEvent Implementation {{{ */
1087 @implementation CydiaProgressEvent
1088
1089 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type {
1090     return [[[CydiaProgressEvent alloc] initWithMessage:message ofType:type] autorelease];
1091 }
1092
1093 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forPackage:(NSString *)package {
1094     CydiaProgressEvent *event([self eventWithMessage:message ofType:type]);
1095     [event setPackage:package];
1096     return event;
1097 }
1098
1099 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forItem:(pkgAcquire::ItemDesc &)item {
1100     CydiaProgressEvent *event([self eventWithMessage:message ofType:type]);
1101
1102     NSString *description([NSString stringWithUTF8String:item.Description.c_str()]);
1103     NSArray *fields([description componentsSeparatedByString:@" "]);
1104     [event setItem:fields];
1105
1106     if ([fields count] > 3) {
1107         [event setPackage:[fields objectAtIndex:2]];
1108         [event setVersion:[fields objectAtIndex:3]];
1109     }
1110
1111     [event setURL:[NSString stringWithUTF8String:item.URI.c_str()]];
1112
1113     return event;
1114 }
1115
1116 + (NSArray *) _attributeKeys {
1117     return [NSArray arrayWithObjects:
1118         @"item",
1119         @"message",
1120         @"package",
1121         @"type",
1122         @"url",
1123         @"version",
1124     nil];
1125 }
1126
1127 - (NSArray *) attributeKeys {
1128     return [[self class] _attributeKeys];
1129 }
1130
1131 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1132     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1133 }
1134
1135 - (id) initWithMessage:(NSString *)message ofType:(NSString *)type {
1136     if ((self = [super init]) != nil) {
1137         message_ = message;
1138         type_ = type;
1139     } return self;
1140 }
1141
1142 - (NSString *) message {
1143     return message_;
1144 }
1145
1146 - (NSString *) type {
1147     return type_;
1148 }
1149
1150 - (NSArray *) item {
1151     return (id) item_ ?: [NSNull null];
1152 }
1153
1154 - (void) setItem:(NSArray *)item {
1155     item_ = item;
1156 }
1157
1158 - (NSString *) package {
1159     return (id) package_ ?: [NSNull null];
1160 }
1161
1162 - (void) setPackage:(NSString *)package {
1163     package_ = package;
1164 }
1165
1166 - (NSString *) url {
1167     return (id) url_ ?: [NSNull null];
1168 }
1169
1170 - (void) setURL:(NSString *)url {
1171     url_ = url;
1172 }
1173
1174 - (void) setVersion:(NSString *)version {
1175     version_ = version;
1176 }
1177
1178 - (NSString *) version {
1179     return (id) version_ ?: [NSNull null];
1180 }
1181
1182 - (NSString *) compound:(NSString *)value {
1183     if (value != nil) {
1184         NSString *mode(nil); {
1185             NSString *type([self type]);
1186             if ([type isEqualToString:kCydiaProgressEventTypeError])
1187                 mode = UCLocalize("ERROR");
1188             else if ([type isEqualToString:kCydiaProgressEventTypeWarning])
1189                 mode = UCLocalize("WARNING");
1190         }
1191
1192         if (mode != nil)
1193             value = [NSString stringWithFormat:UCLocalize("COLON_DELIMITED"), mode, value];
1194     }
1195
1196     return value;
1197 }
1198
1199 - (NSString *) compoundMessage {
1200     return [self compound:[self message]];
1201 }
1202
1203 - (NSString *) compoundTitle {
1204     NSString *title;
1205
1206     if (package_ == nil)
1207         title = nil;
1208     else if (Package *package = [[Database sharedInstance] packageWithName:package_])
1209         title = [package name];
1210     else
1211         title = package_;
1212
1213     return [self compound:title];
1214 }
1215
1216 @end
1217 /* }}} */
1218
1219 // Cytore Definitions {{{
1220 struct PackageValue :
1221     Cytore::Block
1222 {
1223     Cytore::Offset<PackageValue> next_;
1224
1225     uint32_t index_ : 23;
1226     uint32_t subscribed_ : 1;
1227     uint32_t : 8;
1228
1229     int32_t first_;
1230     int32_t last_;
1231
1232     uint16_t vhash_;
1233     uint16_t nhash_;
1234
1235     char version_[8];
1236     char name_[];
1237 };
1238
1239 struct MetaValue :
1240     Cytore::Block
1241 {
1242     uint32_t active_;
1243     Cytore::Offset<PackageValue> packages_[1 << 16];
1244 };
1245
1246 static Cytore::File<MetaValue> MetaFile_;
1247 // }}}
1248 // Cytore Helper Functions {{{
1249 static PackageValue *PackageFind(const char *name, size_t length, bool *fail = NULL) {
1250     SplitHash nhash = { hashlittle(name, length) };
1251
1252     PackageValue *metadata;
1253
1254     Cytore::Offset<PackageValue> *offset(&MetaFile_->packages_[nhash.u16[0]]);
1255     offset: if (offset->IsNull()) {
1256         *offset = MetaFile_.New<PackageValue>(length + 1);
1257         metadata = &MetaFile_.Get(*offset);
1258
1259         if (metadata == NULL) {
1260             if (fail != NULL)
1261                 *fail = true;
1262
1263             metadata = new PackageValue();
1264             memset(metadata, 0, sizeof(*metadata));
1265         }
1266
1267         memcpy(metadata->name_, name, length + 1);
1268         metadata->nhash_ = nhash.u16[1];
1269     } else {
1270         metadata = &MetaFile_.Get(*offset);
1271
1272         if (metadata->nhash_ != nhash.u16[1] || strncmp(metadata->name_, name, length + 1) != 0) {
1273             offset = &metadata->next_;
1274             goto offset;
1275         }
1276     }
1277
1278     return metadata;
1279 }
1280
1281 static void PackageImport(const void *key, const void *value, void *context) {
1282     bool &fail(*reinterpret_cast<bool *>(context));
1283
1284     char buffer[1024];
1285     if (!CFStringGetCString((CFStringRef) key, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
1286         NSLog(@"failed to import package %@", key);
1287         return;
1288     }
1289
1290     PackageValue *metadata(PackageFind(buffer, strlen(buffer), &fail));
1291     NSDictionary *package((NSDictionary *) value);
1292
1293     if (NSNumber *subscribed = [package objectForKey:@"IsSubscribed"])
1294         if ([subscribed boolValue] && !metadata->subscribed_)
1295             metadata->subscribed_ = true;
1296
1297     if (NSDate *date = [package objectForKey:@"FirstSeen"]) {
1298         time_t time([date timeIntervalSince1970]);
1299         if (metadata->first_ > time || metadata->first_ == 0)
1300             metadata->first_ = time;
1301     }
1302
1303     NSDate *date([package objectForKey:@"LastSeen"]);
1304     NSString *version([package objectForKey:@"LastVersion"]);
1305
1306     if (date != nil && version != nil) {
1307         time_t time([date timeIntervalSince1970]);
1308         if (metadata->last_ < time || metadata->last_ == 0)
1309             if (CFStringGetCString((CFStringRef) version, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
1310                 size_t length(strlen(buffer));
1311                 uint16_t vhash(hashlittle(buffer, length));
1312
1313                 size_t capped(std::min<size_t>(8, length));
1314                 char *latest(buffer + length - capped);
1315
1316                 strncpy(metadata->version_, latest, sizeof(metadata->version_));
1317                 metadata->vhash_ = vhash;
1318
1319                 metadata->last_ = time;
1320             }
1321     }
1322 }
1323 // }}}
1324
1325 /* Source Class {{{ */
1326 @interface Source : NSObject {
1327     unsigned era_;
1328     Database *database_;
1329     metaIndex *index_;
1330
1331     CYString depiction_;
1332     CYString description_;
1333     CYString label_;
1334     CYString origin_;
1335     CYString support_;
1336
1337     CYString uri_;
1338     CYString distribution_;
1339     CYString type_;
1340     CYString base_;
1341     CYString version_;
1342
1343     _H<NSString> host_;
1344     _H<NSString> authority_;
1345
1346     CYString defaultIcon_;
1347
1348     _H<NSDictionary> record_;
1349     BOOL trusted_;
1350 }
1351
1352 - (Source *) initWithMetaIndex:(metaIndex *)index forDatabase:(Database *)database inPool:(apr_pool_t *)pool;
1353
1354 - (NSComparisonResult) compareByNameAndType:(Source *)source;
1355
1356 - (NSString *) depictionForPackage:(NSString *)package;
1357 - (NSString *) supportForPackage:(NSString *)package;
1358
1359 - (NSDictionary *) record;
1360 - (BOOL) trusted;
1361
1362 - (NSString *) uri;
1363 - (NSString *) distribution;
1364 - (NSString *) type;
1365
1366 - (NSString *) base;
1367
1368 - (NSString *) key;
1369 - (NSString *) host;
1370
1371 - (NSString *) name;
1372 - (NSString *) shortDescription;
1373 - (NSString *) label;
1374 - (NSString *) origin;
1375 - (NSString *) version;
1376
1377 - (NSString *) defaultIcon;
1378
1379 @end
1380
1381 @implementation Source
1382
1383 - (void) _clear {
1384     uri_.clear();
1385     distribution_.clear();
1386     type_.clear();
1387
1388     base_.clear();
1389
1390     description_.clear();
1391     label_.clear();
1392     origin_.clear();
1393     depiction_.clear();
1394     support_.clear();
1395     version_.clear();
1396     defaultIcon_.clear();
1397
1398     record_ = nil;
1399     host_ = nil;
1400     authority_ = nil;
1401 }
1402
1403 + (NSString *) webScriptNameForSelector:(SEL)selector {
1404     if (false);
1405     else if (selector == @selector(addSection:))
1406         return @"addSection";
1407     else if (selector == @selector(getField:))
1408         return @"getField";
1409     else if (selector == @selector(removeSection:))
1410         return @"removeSection";
1411     else if (selector == @selector(remove))
1412         return @"remove";
1413     else
1414         return nil;
1415 }
1416
1417 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
1418     return [self webScriptNameForSelector:selector] == nil;
1419 }
1420
1421 + (NSArray *) _attributeKeys {
1422     return [NSArray arrayWithObjects:
1423         @"distribution",
1424         @"host",
1425         @"key",
1426         @"label",
1427         @"name",
1428         @"origin",
1429         @"sections",
1430         @"shortDescription",
1431         @"trusted",
1432         @"type",
1433         @"uri",
1434         @"version",
1435     nil];
1436 }
1437
1438 - (NSArray *) attributeKeys {
1439     return [[self class] _attributeKeys];
1440 }
1441
1442 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1443     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1444 }
1445
1446 - (void) setMetaIndex:(metaIndex *)index inPool:(apr_pool_t *)pool {
1447     [self _clear];
1448
1449     trusted_ = index->IsTrusted();
1450
1451     uri_.set(pool, index->GetURI());
1452     distribution_.set(pool, index->GetDist());
1453     type_.set(pool, index->GetType());
1454
1455     debReleaseIndex *dindex(dynamic_cast<debReleaseIndex *>(index));
1456     if (dindex != NULL) {
1457         base_.set(pool, dindex->MetaIndexURI(""));
1458
1459         FileFd fd;
1460         if (!fd.Open(dindex->MetaIndexFile("Release"), FileFd::ReadOnly))
1461             _error->Discard();
1462         else {
1463             pkgTagFile tags(&fd);
1464
1465             pkgTagSection section;
1466             tags.Step(section);
1467
1468             struct {
1469                 const char *name_;
1470                 CYString *value_;
1471             } names[] = {
1472                 {"default-icon", &defaultIcon_},
1473                 {"depiction", &depiction_},
1474                 {"description", &description_},
1475                 {"label", &label_},
1476                 {"origin", &origin_},
1477                 {"support", &support_},
1478                 {"version", &version_},
1479             };
1480
1481             for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i) {
1482                 const char *start, *end;
1483
1484                 if (section.Find(names[i].name_, start, end)) {
1485                     CYString &value(*names[i].value_);
1486                     value.set(pool, start, end - start);
1487                 }
1488             }
1489         }
1490     }
1491
1492     record_ = [Sources_ objectForKey:[self key]];
1493
1494     NSURL *url([NSURL URLWithString:uri_]);
1495
1496     host_ = [url host];
1497     if (host_ != nil)
1498         host_ = [host_ lowercaseString];
1499
1500     if (host_ != nil)
1501         authority_ = host_;
1502     else
1503         authority_ = [url path];
1504 }
1505
1506 - (Source *) initWithMetaIndex:(metaIndex *)index forDatabase:(Database *)database inPool:(apr_pool_t *)pool {
1507     if ((self = [super init]) != nil) {
1508         era_ = [database era];
1509         database_ = database;
1510         index_ = index;
1511
1512         [self setMetaIndex:index inPool:pool];
1513     } return self;
1514 }
1515
1516 - (NSString *) getField:(NSString *)name {
1517 @synchronized (database_) {
1518     if ([database_ era] != era_ || index_ == NULL)
1519         return nil;
1520
1521     debReleaseIndex *dindex(dynamic_cast<debReleaseIndex *>(index_));
1522     if (dindex == NULL)
1523         return nil;
1524
1525     FileFd fd;
1526     if (!fd.Open(dindex->MetaIndexFile("Release"), FileFd::ReadOnly)) {
1527          _error->Discard();
1528          return nil;
1529     }
1530
1531     pkgTagFile tags(&fd);
1532
1533     pkgTagSection section;
1534     tags.Step(section);
1535
1536     const char *start, *end;
1537     if (!section.Find([name UTF8String], start, end))
1538         return (NSString *) [NSNull null];
1539
1540     return [NSString stringWithString:[(NSString *) CYStringCreate(start, end - start) autorelease]];
1541 } }
1542
1543 - (NSComparisonResult) compareByNameAndType:(Source *)source {
1544     NSDictionary *lhr = [self record];
1545     NSDictionary *rhr = [source record];
1546
1547     if ((lhr == nil) != (rhr == nil))
1548         return lhr == nil ? NSOrderedDescending : NSOrderedAscending;
1549
1550     NSString *lhs = [self name];
1551     NSString *rhs = [source name];
1552
1553     if ([lhs length] != 0 && [rhs length] != 0) {
1554         unichar lhc = [lhs characterAtIndex:0];
1555         unichar rhc = [rhs characterAtIndex:0];
1556
1557         if (isalpha(lhc) && !isalpha(rhc))
1558             return NSOrderedAscending;
1559         else if (!isalpha(lhc) && isalpha(rhc))
1560             return NSOrderedDescending;
1561     }
1562
1563     return [lhs compare:rhs options:LaxCompareOptions_];
1564 }
1565
1566 - (NSString *) depictionForPackage:(NSString *)package {
1567     return depiction_.empty() ? nil : [static_cast<id>(depiction_) stringByReplacingOccurrencesOfString:@"*" withString:package];
1568 }
1569
1570 - (NSString *) supportForPackage:(NSString *)package {
1571     return support_.empty() ? nil : [static_cast<id>(support_) stringByReplacingOccurrencesOfString:@"*" withString:package];
1572 }
1573
1574 - (NSArray *) sections {
1575     return record_ == nil ? (id) [NSNull null] : [record_ objectForKey:@"Sections"] ?: [NSArray array];
1576 }
1577
1578 - (void) _addSection:(NSString *)section {
1579     if (record_ == nil)
1580         return;
1581     else if (NSMutableArray *sections = [record_ objectForKey:@"Sections"]) {
1582         if (![sections containsObject:section]) {
1583             [sections addObject:section];
1584             Changed_ = true;
1585         }
1586     } else {
1587         [record_ setObject:[NSMutableArray arrayWithObject:section] forKey:@"Sections"];
1588         Changed_ = true;
1589     }
1590 }
1591
1592 - (bool) addSection:(NSString *)section {
1593     if (record_ == nil)
1594         return false;
1595
1596     [self performSelectorOnMainThread:@selector(_addSection:) withObject:section waitUntilDone:NO];
1597     return true;
1598 }
1599
1600 - (void) _removeSection:(NSString *)section {
1601     if (record_ == nil)
1602         return;
1603
1604     if (NSMutableArray *sections = [record_ objectForKey:@"Sections"])
1605         if ([sections containsObject:section]) {
1606             [sections removeObject:section];
1607             Changed_ = true;
1608         }
1609 }
1610
1611 - (bool) removeSection:(NSString *)section {
1612     if (record_ == nil)
1613         return false;
1614
1615     [self performSelectorOnMainThread:@selector(_removeSection:) withObject:section waitUntilDone:NO];
1616     return true;
1617 }
1618
1619 - (void) _remove {
1620     [Sources_ removeObjectForKey:[self key]];
1621     Changed_ = true;
1622 }
1623
1624 - (bool) remove {
1625     bool value(record_ != nil);
1626     [self performSelectorOnMainThread:@selector(_remove) withObject:nil waitUntilDone:NO];
1627     return value;
1628 }
1629
1630 - (NSDictionary *) record {
1631     return record_;
1632 }
1633
1634 - (BOOL) trusted {
1635     return trusted_;
1636 }
1637
1638 - (NSString *) uri {
1639     return uri_;
1640 }
1641
1642 - (NSString *) distribution {
1643     return distribution_;
1644 }
1645
1646 - (NSString *) type {
1647     return type_;
1648 }
1649
1650 - (NSString *) base {
1651     return base_;
1652 }
1653
1654 - (NSString *) key {
1655     return [NSString stringWithFormat:@"%@:%@:%@", (NSString *) type_, (NSString *) uri_, (NSString *) distribution_];
1656 }
1657
1658 - (NSString *) host {
1659     return host_;
1660 }
1661
1662 - (NSString *) name {
1663     return origin_.empty() ? (id) authority_ : origin_;
1664 }
1665
1666 - (NSString *) shortDescription {
1667     return description_;
1668 }
1669
1670 - (NSString *) label {
1671     return label_.empty() ? (id) authority_ : label_;
1672 }
1673
1674 - (NSString *) origin {
1675     return origin_;
1676 }
1677
1678 - (NSString *) version {
1679     return version_;
1680 }
1681
1682 - (NSString *) defaultIcon {
1683     return defaultIcon_;
1684 }
1685
1686 @end
1687 /* }}} */
1688 /* CydiaOperation Class {{{ */
1689 @interface CydiaOperation : NSObject {
1690     _H<NSString> operator_;
1691     _H<NSString> value_;
1692 }
1693
1694 - (NSString *) operator;
1695 - (NSString *) value;
1696
1697 @end
1698
1699 @implementation CydiaOperation
1700
1701 - (id) initWithOperator:(const char *)_operator value:(const char *)value {
1702     if ((self = [super init]) != nil) {
1703         operator_ = [NSString stringWithUTF8String:_operator];
1704         value_ = [NSString stringWithUTF8String:value];
1705     } return self;
1706 }
1707
1708 + (NSArray *) _attributeKeys {
1709     return [NSArray arrayWithObjects:
1710         @"operator",
1711         @"value",
1712     nil];
1713 }
1714
1715 - (NSArray *) attributeKeys {
1716     return [[self class] _attributeKeys];
1717 }
1718
1719 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1720     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1721 }
1722
1723 - (NSString *) operator {
1724     return operator_;
1725 }
1726
1727 - (NSString *) value {
1728     return value_;
1729 }
1730
1731 @end
1732 /* }}} */
1733 /* CydiaClause Class {{{ */
1734 @interface CydiaClause : NSObject {
1735     _H<NSString> package_;
1736     _H<CydiaOperation> version_;
1737 }
1738
1739 - (NSString *) package;
1740 - (CydiaOperation *) version;
1741
1742 @end
1743
1744 @implementation CydiaClause
1745
1746 - (id) initWithIterator:(pkgCache::DepIterator &)dep {
1747     if ((self = [super init]) != nil) {
1748         package_ = [NSString stringWithUTF8String:dep.TargetPkg().Name()];
1749
1750         if (const char *version = dep.TargetVer())
1751             version_ = [[[CydiaOperation alloc] initWithOperator:dep.CompType() value:version] autorelease];
1752         else
1753             version_ = (id) [NSNull null];
1754     } return self;
1755 }
1756
1757 + (NSArray *) _attributeKeys {
1758     return [NSArray arrayWithObjects:
1759         @"package",
1760         @"version",
1761     nil];
1762 }
1763
1764 - (NSArray *) attributeKeys {
1765     return [[self class] _attributeKeys];
1766 }
1767
1768 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1769     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1770 }
1771
1772 - (NSString *) package {
1773     return package_;
1774 }
1775
1776 - (CydiaOperation *) version {
1777     return version_;
1778 }
1779
1780 @end
1781 /* }}} */
1782 /* CydiaRelation Class {{{ */
1783 @interface CydiaRelation : NSObject {
1784     _H<NSString> relationship_;
1785     _H<NSMutableArray> clauses_;
1786 }
1787
1788 - (NSString *) relationship;
1789 - (NSArray *) clauses;
1790
1791 @end
1792
1793 @implementation CydiaRelation
1794
1795 - (id) initWithIterator:(pkgCache::DepIterator &)dep {
1796     if ((self = [super init]) != nil) {
1797         relationship_ = [NSString stringWithUTF8String:dep.DepType()];
1798         clauses_ = [NSMutableArray arrayWithCapacity:8];
1799
1800         pkgCache::DepIterator start;
1801         pkgCache::DepIterator end;
1802         dep.GlobOr(start, end); // ++dep
1803
1804         _forever {
1805             [clauses_ addObject:[[[CydiaClause alloc] initWithIterator:start] autorelease]];
1806
1807             // yes, seriously. (wtf?)
1808             if (start == end)
1809                 break;
1810             ++start;
1811         }
1812     } return self;
1813 }
1814
1815 + (NSArray *) _attributeKeys {
1816     return [NSArray arrayWithObjects:
1817         @"clauses",
1818         @"relationship",
1819     nil];
1820 }
1821
1822 - (NSArray *) attributeKeys {
1823     return [[self class] _attributeKeys];
1824 }
1825
1826 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1827     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1828 }
1829
1830 - (NSString *) relationship {
1831     return relationship_;
1832 }
1833
1834 - (NSArray *) clauses {
1835     return clauses_;
1836 }
1837
1838 - (void) addClause:(CydiaClause *)clause {
1839     [clauses_ addObject:clause];
1840 }
1841
1842 @end
1843 /* }}} */
1844 /* Package Class {{{ */
1845 struct ParsedPackage {
1846     CYString md5sum_;
1847     CYString tagline_;
1848
1849     CYString architecture_;
1850     CYString icon_;
1851
1852     CYString depiction_;
1853     CYString homepage_;
1854
1855     CYString sponsor_;
1856     CYString author_;
1857
1858     CYString bugs_;
1859     CYString support_;
1860 };
1861
1862 @interface Package : NSObject {
1863     uint32_t era_ : 26;
1864     uint32_t role_ : 3;
1865     uint32_t essential_ : 1;
1866     uint32_t obsolete_ : 1;
1867     uint32_t ignored_ : 1;
1868
1869     apr_pool_t *pool_;
1870
1871     uint32_t rank_;
1872
1873     _transient Database *database_;
1874
1875     pkgCache::VerIterator version_;
1876     pkgCache::PkgIterator iterator_;
1877     pkgCache::VerFileIterator file_;
1878
1879     CYString id_;
1880     CYString name_;
1881
1882     CYString latest_;
1883     CYString installed_;
1884
1885     const char *section_;
1886     _transient NSString *section$_;
1887
1888     _H<Source> source_;
1889
1890     PackageValue *metadata_;
1891     ParsedPackage *parsed_;
1892
1893     _H<NSMutableArray> tags_;
1894 }
1895
1896 - (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database;
1897 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database;
1898
1899 - (pkgCache::PkgIterator) iterator;
1900 - (void) parse;
1901
1902 - (NSString *) section;
1903 - (NSString *) simpleSection;
1904
1905 - (NSString *) longSection;
1906 - (NSString *) shortSection;
1907
1908 - (NSString *) uri;
1909
1910 - (MIMEAddress *) maintainer;
1911 - (size_t) size;
1912 - (NSString *) longDescription;
1913 - (NSString *) shortDescription;
1914 - (unichar) index;
1915
1916 - (PackageValue *) metadata;
1917 - (time_t) seen;
1918
1919 - (bool) subscribed;
1920 - (bool) setSubscribed:(bool)subscribed;
1921
1922 - (BOOL) ignored;
1923
1924 - (NSString *) latest;
1925 - (NSString *) installed;
1926 - (BOOL) uninstalled;
1927
1928 - (BOOL) valid;
1929 - (BOOL) upgradableAndEssential:(BOOL)essential;
1930 - (BOOL) essential;
1931 - (BOOL) broken;
1932 - (BOOL) unfiltered;
1933 - (BOOL) visible;
1934
1935 - (BOOL) half;
1936 - (BOOL) halfConfigured;
1937 - (BOOL) halfInstalled;
1938 - (BOOL) hasMode;
1939 - (NSString *) mode;
1940
1941 - (NSString *) id;
1942 - (NSString *) name;
1943 - (UIImage *) icon;
1944 - (NSString *) homepage;
1945 - (NSString *) depiction;
1946 - (MIMEAddress *) author;
1947
1948 - (NSString *) support;
1949
1950 - (NSArray *) files;
1951 - (NSArray *) warnings;
1952 - (NSArray *) applications;
1953
1954 - (Source *) source;
1955
1956 - (uint32_t) rank;
1957 - (BOOL) matches:(NSArray *)query;
1958
1959 - (bool) hasSupportingRole;
1960 - (BOOL) hasTag:(NSString *)tag;
1961 - (NSString *) primaryPurpose;
1962 - (NSArray *) purposes;
1963 - (bool) isCommercial;
1964
1965 - (void) setIndex:(size_t)index;
1966
1967 - (CYString &) cyname;
1968
1969 - (uint32_t) compareBySection:(NSArray *)sections;
1970
1971 - (void) install;
1972 - (void) remove;
1973
1974 - (bool) isUnfilteredAndSearchedForBy:(NSArray *)query;
1975 - (bool) isUnfilteredAndSelectedForBy:(NSString *)search;
1976 - (bool) isInstalledAndUnfiltered:(NSNumber *)number;
1977 - (bool) isVisibleInSection:(NSString *)section;
1978 - (bool) isVisibleInSource:(Source *)source;
1979
1980 @end
1981
1982 uint32_t PackageChangesRadix(Package *self, void *) {
1983     union {
1984         uint32_t key;
1985
1986         struct {
1987             uint32_t timestamp : 30;
1988             uint32_t ignored : 1;
1989             uint32_t upgradable : 1;
1990         } bits;
1991     } value;
1992
1993     bool upgradable([self upgradableAndEssential:YES]);
1994     value.bits.upgradable = upgradable ? 1 : 0;
1995
1996     if (upgradable) {
1997         value.bits.timestamp = 0;
1998         value.bits.ignored = [self ignored] ? 0 : 1;
1999         value.bits.upgradable = 1;
2000     } else {
2001         value.bits.timestamp = [self seen] >> 2;
2002         value.bits.ignored = 0;
2003         value.bits.upgradable = 0;
2004     }
2005
2006     return _not(uint32_t) - value.key;
2007 }
2008
2009 uint32_t PackagePrefixRadix(Package *self, void *context) {
2010     size_t offset(reinterpret_cast<size_t>(context));
2011     CYString &name([self cyname]);
2012
2013     size_t size(name.size());
2014     if (size == 0)
2015         return 0;
2016     char *text(name.data());
2017
2018     size_t zeros;
2019     if (!isdigit(text[0]))
2020         zeros = 0;
2021     else {
2022         size_t digits(1);
2023         while (size != digits && isdigit(text[digits]))
2024             if (++digits == 4)
2025                 break;
2026         zeros = 4 - digits;
2027     }
2028
2029     uint8_t data[4];
2030
2031     if (offset == 0 && zeros != 0) {
2032         memset(data, '0', zeros);
2033         memcpy(data + zeros, text, 4 - zeros);
2034     } else {
2035         /* XXX: there's some danger here if you request a non-zero offset < 4 and it gets zero padded */
2036         if (size <= offset - zeros)
2037             return 0;
2038
2039         text += offset - zeros;
2040         size -= offset - zeros;
2041
2042         if (size >= 4)
2043             memcpy(data, text, 4);
2044         else {
2045             memcpy(data, text, size);
2046             memset(data + size, 0, 4 - size);
2047         }
2048
2049         for (size_t i(0); i != 4; ++i)
2050             if (isalpha(data[i]))
2051                 data[i] |= 0x20;
2052     }
2053
2054     if (offset == 0)
2055         if (data[0] == '@')
2056             data[0] = 0x7f;
2057         else
2058             data[0] = (data[0] & 0x1f) | "\x80\x00\xc0\x40"[data[0] >> 6];
2059
2060     /* XXX: ntohl may be more honest */
2061     return OSSwapInt32(*reinterpret_cast<uint32_t *>(data));
2062 }
2063
2064 CYString &(*PackageName)(Package *self, SEL sel);
2065
2066 CFComparisonResult PackageNameCompare(Package *lhs, Package *rhs, void *arg) {
2067     _profile(PackageNameCompare)
2068         CYString &lhi(PackageName(lhs, @selector(cyname)));
2069         CYString &rhi(PackageName(rhs, @selector(cyname)));
2070         CFStringRef lhn(lhi), rhn(rhi);
2071
2072         if (lhn == NULL)
2073             return rhn == NULL ? NSOrderedSame : NSOrderedAscending;
2074         else if (rhn == NULL)
2075             return NSOrderedDescending;
2076
2077         _profile(PackageNameCompare$NumbersLast)
2078             if (!lhi.empty() && !rhi.empty()) {
2079                 UniChar lhc(CFStringGetCharacterAtIndex(lhn, 0));
2080                 UniChar rhc(CFStringGetCharacterAtIndex(rhn, 0));
2081                 bool lha(CFUniCharIsMemberOf(lhc, kCFUniCharLetterCharacterSet));
2082                 if (lha != CFUniCharIsMemberOf(rhc, kCFUniCharLetterCharacterSet))
2083                     return lha ? NSOrderedAscending : NSOrderedDescending;
2084             }
2085         _end
2086
2087         CFIndex length = CFStringGetLength(lhn);
2088
2089         _profile(PackageNameCompare$Compare)
2090             return CFStringCompareWithOptionsAndLocale(lhn, rhn, CFRangeMake(0, length), LaxCompareFlags_, Locale_);
2091         _end
2092     _end
2093 }
2094
2095 CFComparisonResult PackageNameCompare_(Package **lhs, Package **rhs, void *context) {
2096     return PackageNameCompare(*lhs, *rhs, context);
2097 }
2098
2099 struct PackageNameOrdering :
2100     std::binary_function<Package *, Package *, bool>
2101 {
2102     _finline bool operator ()(Package *lhs, Package *rhs) const {
2103         return PackageNameCompare(lhs, rhs, NULL) == NSOrderedAscending;
2104     }
2105 };
2106
2107 @implementation Package
2108
2109 - (NSString *) description {
2110     return [NSString stringWithFormat:@"<Package:%@>", static_cast<NSString *>(name_)];
2111 }
2112
2113 - (void) dealloc {
2114     if (parsed_ != NULL)
2115         delete parsed_;
2116     [super dealloc];
2117 }
2118
2119 + (NSString *) webScriptNameForSelector:(SEL)selector {
2120     if (false);
2121     else if (selector == @selector(clear))
2122         return @"clear";
2123     else if (selector == @selector(getField:))
2124         return @"getField";
2125     else if (selector == @selector(hasTag:))
2126         return @"hasTag";
2127     else if (selector == @selector(install))
2128         return @"install";
2129     else if (selector == @selector(remove))
2130         return @"remove";
2131     else
2132         return nil;
2133 }
2134
2135 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
2136     return [self webScriptNameForSelector:selector] == nil;
2137 }
2138
2139 + (NSArray *) _attributeKeys {
2140     return [NSArray arrayWithObjects:
2141         @"applications",
2142         @"architecture",
2143         @"author",
2144         @"depiction",
2145         @"essential",
2146         @"homepage",
2147         @"icon",
2148         @"id",
2149         @"installed",
2150         @"latest",
2151         @"longDescription",
2152         @"longSection",
2153         @"maintainer",
2154         @"md5sum",
2155         @"mode",
2156         @"name",
2157         @"purposes",
2158         @"relations",
2159         @"section",
2160         @"selection",
2161         @"shortDescription",
2162         @"shortSection",
2163         @"simpleSection",
2164         @"size",
2165         @"source",
2166         @"sponsor",
2167         @"state",
2168         @"support",
2169         @"tags",
2170         @"warnings",
2171     nil];
2172 }
2173
2174 - (NSArray *) attributeKeys {
2175     return [[self class] _attributeKeys];
2176 }
2177
2178 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
2179     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
2180 }
2181
2182 - (NSArray *) relations {
2183 @synchronized (database_) {
2184     NSMutableArray *relations([NSMutableArray arrayWithCapacity:16]);
2185     for (pkgCache::DepIterator dep(version_.DependsList()); !dep.end(); ++dep)
2186         [relations addObject:[[[CydiaRelation alloc] initWithIterator:dep] autorelease]];
2187     return relations;
2188 } }
2189
2190 - (NSString *) architecture {
2191     [self parse];
2192 @synchronized (database_) {
2193     return parsed_->architecture_.empty() ? [NSNull null] : (id) parsed_->architecture_;
2194 } }
2195
2196 - (NSString *) getField:(NSString *)name {
2197 @synchronized (database_) {
2198     if ([database_ era] != era_ || file_.end())
2199         return nil;
2200
2201     pkgRecords::Parser &parser([database_ records]->Lookup(file_));
2202
2203     const char *start, *end;
2204     if (!parser.Find([name UTF8String], start, end))
2205         return (NSString *) [NSNull null];
2206
2207     return [NSString stringWithString:[(NSString *) CYStringCreate(start, end - start) autorelease]];
2208 } }
2209
2210 - (void) parse {
2211     if (parsed_ != NULL)
2212         return;
2213 @synchronized (database_) {
2214     if ([database_ era] != era_ || file_.end())
2215         return;
2216
2217     ParsedPackage *parsed(new ParsedPackage);
2218     parsed_ = parsed;
2219
2220     _profile(Package$parse)
2221         pkgRecords::Parser *parser;
2222
2223         _profile(Package$parse$Lookup)
2224             parser = &[database_ records]->Lookup(file_);
2225         _end
2226
2227         CYString website;
2228
2229         _profile(Package$parse$Find)
2230             struct {
2231                 const char *name_;
2232                 CYString *value_;
2233             } names[] = {
2234                 {"architecture", &parsed->architecture_},
2235                 {"icon", &parsed->icon_},
2236                 {"depiction", &parsed->depiction_},
2237                 {"homepage", &parsed->homepage_},
2238                 {"website", &website},
2239                 {"bugs", &parsed->bugs_},
2240                 {"support", &parsed->support_},
2241                 {"sponsor", &parsed->sponsor_},
2242                 {"author", &parsed->author_},
2243                 {"md5sum", &parsed->md5sum_},
2244             };
2245
2246             for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i) {
2247                 const char *start, *end;
2248
2249                 if (parser->Find(names[i].name_, start, end)) {
2250                     CYString &value(*names[i].value_);
2251                     _profile(Package$parse$Value)
2252                         value.set(pool_, start, end - start);
2253                     _end
2254                 }
2255             }
2256         _end
2257
2258         _profile(Package$parse$Tagline)
2259             const char *start, *end;
2260             if (parser->ShortDesc(start, end)) {
2261                 const char *stop(reinterpret_cast<const char *>(memchr(start, '\n', end - start)));
2262                 if (stop == NULL)
2263                     stop = end;
2264                 while (stop != start && stop[-1] == '\r')
2265                     --stop;
2266                 parsed->tagline_.set(pool_, start, stop - start);
2267             }
2268         _end
2269
2270         _profile(Package$parse$Retain)
2271             if (parsed->homepage_.empty())
2272                 parsed->homepage_ = website;
2273             if (parsed->homepage_ == parsed->depiction_)
2274                 parsed->homepage_.clear();
2275         _end
2276     _end
2277 } }
2278
2279 - (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database {
2280     if ((self = [super init]) != nil) {
2281     _profile(Package$initWithVersion)
2282         pool_ = pool;
2283
2284         database_ = database;
2285         era_ = [database era];
2286
2287         version_ = version;
2288
2289         pkgCache::PkgIterator iterator(version.ParentPkg());
2290         iterator_ = iterator;
2291
2292         _profile(Package$initWithVersion$Version)
2293             if (!version_.end())
2294                 file_ = version_.FileList();
2295             else {
2296                 pkgCache &cache([database_ cache]);
2297                 file_ = pkgCache::VerFileIterator(cache, cache.VerFileP);
2298             }
2299         _end
2300
2301         _profile(Package$initWithVersion$Cache)
2302             name_.set(NULL, iterator.Display());
2303
2304             latest_.set(NULL, StripVersion_(version_.VerStr()));
2305
2306             pkgCache::VerIterator current(iterator.CurrentVer());
2307             if (!current.end())
2308                 installed_.set(NULL, StripVersion_(current.VerStr()));
2309         _end
2310
2311         _profile(Package$initWithVersion$Tags)
2312             pkgCache::TagIterator tag(iterator.TagList());
2313             if (!tag.end()) {
2314                 tags_ = [NSMutableArray arrayWithCapacity:8];
2315                 do {
2316                     const char *name(tag.Name());
2317                     [tags_ addObject:[(NSString *)CYStringCreate(name) autorelease]];
2318
2319                     if (role_ == 0 && strncmp(name, "role::", 6) == 0 /*&& strcmp(name, "role::leaper") != 0*/) {
2320                         if (strcmp(name + 6, "enduser") == 0)
2321                             role_ = 1;
2322                         else if (strcmp(name + 6, "hacker") == 0)
2323                             role_ = 2;
2324                         else if (strcmp(name + 6, "developer") == 0)
2325                             role_ = 3;
2326                         else if (strcmp(name + 6, "cydia") == 0)
2327                             role_ = 7;
2328                         else
2329                             role_ = 4;
2330                     }
2331
2332                     if (strncmp(name, "cydia::", 7) == 0) {
2333                         if (strcmp(name + 7, "essential") == 0)
2334                             essential_ = true;
2335                         else if (strcmp(name + 7, "obsolete") == 0)
2336                             obsolete_ = true;
2337                     }
2338
2339                     ++tag;
2340                 } while (!tag.end());
2341             }
2342         _end
2343
2344         _profile(Package$initWithVersion$Metadata)
2345             const char *mixed(iterator.Name());
2346             size_t size(strlen(mixed));
2347             char lower[size + 1];
2348
2349             for (size_t i(0); i != size; ++i)
2350                 lower[i] = mixed[i] | 0x20;
2351             lower[size] = '\0';
2352
2353             PackageValue *metadata(PackageFind(lower, size));
2354             metadata_ = metadata;
2355
2356             id_.set(NULL, metadata->name_, size);
2357
2358             const char *latest(version_.VerStr());
2359             size_t length(strlen(latest));
2360
2361             uint16_t vhash(hashlittle(latest, length));
2362
2363             size_t capped(std::min<size_t>(8, length));
2364             latest = latest + length - capped;
2365
2366             if (metadata->first_ == 0)
2367                 metadata->first_ = now_;
2368
2369             if (metadata->vhash_ != vhash || strncmp(metadata->version_, latest, sizeof(metadata->version_)) != 0) {
2370                 strncpy(metadata->version_, latest, sizeof(metadata->version_));
2371                 metadata->vhash_ = vhash;
2372                 metadata->last_ = now_;
2373             } else if (metadata->last_ == 0)
2374                 metadata->last_ = metadata->first_;
2375         _end
2376
2377         _profile(Package$initWithVersion$Section)
2378             section_ = iterator.Section();
2379         _end
2380
2381         _profile(Package$initWithVersion$Flags)
2382             essential_ |= ((iterator->Flags & pkgCache::Flag::Essential) == 0 ? NO : YES);
2383             ignored_ = iterator->SelectedState == pkgCache::State::Hold;
2384         _end
2385     _end } return self;
2386 }
2387
2388 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database {
2389     pkgCache::VerIterator version;
2390
2391     _profile(Package$packageWithIterator$GetCandidateVer)
2392         version = [database policy]->GetCandidateVer(iterator);
2393     _end
2394
2395     if (version.end())
2396         return nil;
2397
2398     Package *package;
2399
2400     _profile(Package$packageWithIterator$Allocate)
2401         package = [Package allocWithZone:zone];
2402     _end
2403
2404     _profile(Package$packageWithIterator$Initialize)
2405         package = [package
2406             initWithVersion:version
2407             withZone:zone
2408             inPool:pool
2409             database:database
2410         ];
2411     _end
2412
2413     _profile(Package$packageWithIterator$Autorelease)
2414         package = [package autorelease];
2415     _end
2416
2417     return package;
2418 }
2419
2420 - (pkgCache::PkgIterator) iterator {
2421     return iterator_;
2422 }
2423
2424 - (NSString *) section {
2425     if (section$_ == nil) {
2426         if (section_ == NULL)
2427             return nil;
2428
2429         _profile(Package$section$mappedSectionForPointer)
2430             section$_ = [database_ mappedSectionForPointer:section_];
2431         _end
2432     } return section$_;
2433 }
2434
2435 - (NSString *) simpleSection {
2436     if (NSString *section = [self section])
2437         return Simplify(section);
2438     else
2439         return nil;
2440 }
2441
2442 - (NSString *) longSection {
2443     return LocalizeSection([self section]);
2444 }
2445
2446 - (NSString *) shortSection {
2447     return [[NSBundle mainBundle] localizedStringForKey:[self simpleSection] value:nil table:@"Sections"];
2448 }
2449
2450 - (NSString *) uri {
2451     return nil;
2452 #if 0
2453     pkgIndexFile *index;
2454     pkgCache::PkgFileIterator file(file_.File());
2455     if (![database_ list].FindIndex(file, index))
2456         return nil;
2457     return [NSString stringWithUTF8String:iterator_->Path];
2458     //return [NSString stringWithUTF8String:file.Site()];
2459     //return [NSString stringWithUTF8String:index->ArchiveURI(file.FileName()).c_str()];
2460 #endif
2461 }
2462
2463 - (MIMEAddress *) maintainer {
2464 @synchronized (database_) {
2465     if ([database_ era] != era_ || file_.end())
2466         return nil;
2467
2468     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
2469     const std::string &maintainer(parser->Maintainer());
2470     return maintainer.empty() ? nil : [MIMEAddress addressWithString:[NSString stringWithUTF8String:maintainer.c_str()]];
2471 } }
2472
2473 - (NSString *) md5sum {
2474     return parsed_ == NULL ? nil : (id) parsed_->md5sum_;
2475 }
2476
2477 - (size_t) size {
2478 @synchronized (database_) {
2479     if ([database_ era] != era_ || version_.end())
2480         return 0;
2481
2482     return version_->InstalledSize;
2483 } }
2484
2485 - (NSString *) longDescription {
2486 @synchronized (database_) {
2487     if ([database_ era] != era_ || file_.end())
2488         return nil;
2489
2490     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
2491     NSString *description([NSString stringWithUTF8String:parser->LongDesc().c_str()]);
2492
2493     NSArray *lines = [description componentsSeparatedByString:@"\n"];
2494     NSMutableArray *trimmed = [NSMutableArray arrayWithCapacity:([lines count] - 1)];
2495     if ([lines count] < 2)
2496         return nil;
2497
2498     NSCharacterSet *whitespace = [NSCharacterSet whitespaceCharacterSet];
2499     for (size_t i(1), e([lines count]); i != e; ++i) {
2500         NSString *trim = [[lines objectAtIndex:i] stringByTrimmingCharactersInSet:whitespace];
2501         [trimmed addObject:trim];
2502     }
2503
2504     return [trimmed componentsJoinedByString:@"\n"];
2505 } }
2506
2507 - (NSString *) shortDescription {
2508     if (parsed_ != NULL)
2509         return static_cast<NSString *>(parsed_->tagline_);
2510
2511 @synchronized (database_) {
2512     pkgRecords::Parser &parser([database_ records]->Lookup(file_));
2513
2514     const char *start, *end;
2515     if (!parser.ShortDesc(start, end))
2516         return nil;
2517
2518     if (end - start > 200)
2519         end = start + 200;
2520
2521     /*
2522     if (const char *stop = reinterpret_cast<const char *>(memchr(start, '\n', end - start)))
2523         end = stop;
2524
2525     while (end != start && end[-1] == '\r')
2526         --end;
2527     */
2528
2529     return [(id) CYStringCreate(start, end - start) autorelease];
2530 } }
2531
2532 - (unichar) index {
2533     _profile(Package$index)
2534         CFStringRef name((CFStringRef) [self name]);
2535         if (CFStringGetLength(name) == 0)
2536             return '#';
2537         UniChar character(CFStringGetCharacterAtIndex(name, 0));
2538         if (!CFUniCharIsMemberOf(character, kCFUniCharLetterCharacterSet))
2539             return '#';
2540         return toupper(character);
2541     _end
2542 }
2543
2544 - (PackageValue *) metadata {
2545     return metadata_;
2546 }
2547
2548 - (time_t) seen {
2549     PackageValue *metadata([self metadata]);
2550     return metadata->subscribed_ ? metadata->last_ : metadata->first_;
2551 }
2552
2553 - (bool) subscribed {
2554     return [self metadata]->subscribed_;
2555 }
2556
2557 - (bool) setSubscribed:(bool)subscribed {
2558     PackageValue *metadata([self metadata]);
2559     if (metadata->subscribed_ == subscribed)
2560         return false;
2561     metadata->subscribed_ = subscribed;
2562     return true;
2563 }
2564
2565 - (BOOL) ignored {
2566     return ignored_;
2567 }
2568
2569 - (NSString *) latest {
2570     return latest_;
2571 }
2572
2573 - (NSString *) installed {
2574     return installed_;
2575 }
2576
2577 - (BOOL) uninstalled {
2578     return installed_.empty();
2579 }
2580
2581 - (BOOL) valid {
2582     return !version_.end();
2583 }
2584
2585 - (BOOL) upgradableAndEssential:(BOOL)essential {
2586     _profile(Package$upgradableAndEssential)
2587         pkgCache::VerIterator current(iterator_.CurrentVer());
2588         if (current.end())
2589             return essential && essential_;
2590         else
2591             return !version_.end() && version_ != current;
2592     _end
2593 }
2594
2595 - (BOOL) essential {
2596     return essential_;
2597 }
2598
2599 - (BOOL) broken {
2600     return [database_ cache][iterator_].InstBroken();
2601 }
2602
2603 - (BOOL) unfiltered {
2604     _profile(Package$unfiltered$obsolete)
2605         if (_unlikely(obsolete_))
2606             return false;
2607     _end
2608
2609     _profile(Package$unfiltered$hasSupportingRole)
2610         if (_unlikely(![self hasSupportingRole]))
2611             return false;
2612     _end
2613
2614     return true;
2615 }
2616
2617 - (BOOL) visible {
2618     if (![self unfiltered])
2619         return false;
2620
2621     NSString *section;
2622
2623     _profile(Package$visible$section)
2624         section = [self section];
2625     _end
2626
2627     _profile(Package$visible$isSectionVisible)
2628         if (!isSectionVisible(section))
2629             return false;
2630     _end
2631
2632     return true;
2633 }
2634
2635 - (BOOL) half {
2636     unsigned char current(iterator_->CurrentState);
2637     return current == pkgCache::State::HalfConfigured || current == pkgCache::State::HalfInstalled;
2638 }
2639
2640 - (BOOL) halfConfigured {
2641     return iterator_->CurrentState == pkgCache::State::HalfConfigured;
2642 }
2643
2644 - (BOOL) halfInstalled {
2645     return iterator_->CurrentState == pkgCache::State::HalfInstalled;
2646 }
2647
2648 - (BOOL) hasMode {
2649     pkgDepCache::StateCache &state([database_ cache][iterator_]);
2650     return state.Mode != pkgDepCache::ModeKeep;
2651 }
2652
2653 - (NSString *) mode {
2654     pkgDepCache::StateCache &state([database_ cache][iterator_]);
2655
2656     switch (state.Mode) {
2657         case pkgDepCache::ModeDelete:
2658             if ((state.iFlags & pkgDepCache::Purge) != 0)
2659                 return @"PURGE";
2660             else
2661                 return @"REMOVE";
2662         case pkgDepCache::ModeKeep:
2663             if ((state.iFlags & pkgDepCache::ReInstall) != 0)
2664                 return @"REINSTALL";
2665             /*else if ((state.iFlags & pkgDepCache::AutoKept) != 0)
2666                 return nil;*/
2667             else
2668                 return nil;
2669         case pkgDepCache::ModeInstall:
2670             /*if ((state.iFlags & pkgDepCache::ReInstall) != 0)
2671                 return @"REINSTALL";
2672             else*/ switch (state.Status) {
2673                 case -1:
2674                     return @"DOWNGRADE";
2675                 case 0:
2676                     return @"INSTALL";
2677                 case 1:
2678                     return @"UPGRADE";
2679                 case 2:
2680                     return @"NEW_INSTALL";
2681                 _nodefault
2682             }
2683         _nodefault
2684     }
2685 }
2686
2687 - (NSString *) id {
2688     return id_;
2689 }
2690
2691 - (NSString *) name {
2692     return name_.empty() ? id_ : name_;
2693 }
2694
2695 - (UIImage *) icon {
2696     NSString *section = [self simpleSection];
2697
2698     UIImage *icon(nil);
2699     if (parsed_ != NULL)
2700         if (NSString *href = parsed_->icon_)
2701             if ([href hasPrefix:@"file:///"])
2702                 icon = [UIImage imageAtPath:[[href substringFromIndex:7] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
2703     if (icon == nil) if (section != nil)
2704         icon = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, [section stringByReplacingOccurrencesOfString:@" " withString:@"_"]]];
2705     if (icon == nil) if (Source *source = [self source]) if (NSString *dicon = [source defaultIcon])
2706         if ([dicon hasPrefix:@"file:///"])
2707             icon = [UIImage imageAtPath:[[dicon substringFromIndex:7] stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
2708     if (icon == nil)
2709         icon = [UIImage applicationImageNamed:@"unknown.png"];
2710     return icon;
2711 }
2712
2713 - (NSString *) homepage {
2714     return parsed_ == NULL ? nil : static_cast<NSString *>(parsed_->homepage_);
2715 }
2716
2717 - (NSString *) depiction {
2718     return parsed_ != NULL && !parsed_->depiction_.empty() ? parsed_->depiction_ : [[self source] depictionForPackage:id_];
2719 }
2720
2721 - (MIMEAddress *) sponsor {
2722     return parsed_ == NULL || parsed_->sponsor_.empty() ? nil : [MIMEAddress addressWithString:parsed_->sponsor_];
2723 }
2724
2725 - (MIMEAddress *) author {
2726     return parsed_ == NULL || parsed_->author_.empty() ? nil : [MIMEAddress addressWithString:parsed_->author_];
2727 }
2728
2729 - (NSString *) support {
2730     return parsed_ != NULL && !parsed_->bugs_.empty() ? parsed_->bugs_ : [[self source] supportForPackage:id_];
2731 }
2732
2733 - (NSArray *) files {
2734     NSString *path = [NSString stringWithFormat:@"/var/lib/dpkg/info/%@.list", static_cast<NSString *>(id_)];
2735     NSMutableArray *files = [NSMutableArray arrayWithCapacity:128];
2736
2737     std::ifstream fin;
2738     fin.open([path UTF8String]);
2739     if (!fin.is_open())
2740         return nil;
2741
2742     std::string line;
2743     while (std::getline(fin, line))
2744         [files addObject:[NSString stringWithUTF8String:line.c_str()]];
2745
2746     return files;
2747 }
2748
2749 - (NSString *) state {
2750 @synchronized (database_) {
2751     if ([database_ era] != era_ || file_.end())
2752         return nil;
2753
2754     switch (iterator_->CurrentState) {
2755         case pkgCache::State::NotInstalled:
2756             return @"NotInstalled";
2757         case pkgCache::State::UnPacked:
2758             return @"UnPacked";
2759         case pkgCache::State::HalfConfigured:
2760             return @"HalfConfigured";
2761         case pkgCache::State::HalfInstalled:
2762             return @"HalfInstalled";
2763         case pkgCache::State::ConfigFiles:
2764             return @"ConfigFiles";
2765         case pkgCache::State::Installed:
2766             return @"Installed";
2767         case pkgCache::State::TriggersAwaited:
2768             return @"TriggersAwaited";
2769         case pkgCache::State::TriggersPending:
2770             return @"TriggersPending";
2771     }
2772
2773     return (NSString *) [NSNull null];
2774 } }
2775
2776 - (NSString *) selection {
2777 @synchronized (database_) {
2778     if ([database_ era] != era_ || file_.end())
2779         return nil;
2780
2781     switch (iterator_->SelectedState) {
2782         case pkgCache::State::Unknown:
2783             return @"Unknown";
2784         case pkgCache::State::Install:
2785             return @"Install";
2786         case pkgCache::State::Hold:
2787             return @"Hold";
2788         case pkgCache::State::DeInstall:
2789             return @"DeInstall";
2790         case pkgCache::State::Purge:
2791             return @"Purge";
2792     }
2793
2794     return (NSString *) [NSNull null];
2795 } }
2796
2797 - (NSArray *) warnings {
2798     NSMutableArray *warnings([NSMutableArray arrayWithCapacity:4]);
2799     const char *name(iterator_.Name());
2800
2801     size_t length(strlen(name));
2802     if (length < 2) invalid:
2803         [warnings addObject:UCLocalize("ILLEGAL_PACKAGE_IDENTIFIER")];
2804     else for (size_t i(0); i != length; ++i)
2805         if (
2806             /* XXX: technically this is not allowed */
2807             (name[i] < 'A' || name[i] > 'Z') &&
2808             (name[i] < 'a' || name[i] > 'z') &&
2809             (name[i] < '0' || name[i] > '9') &&
2810             (i == 0 || name[i] != '+' && name[i] != '-' && name[i] != '.')
2811         ) goto invalid;
2812
2813     if (strcmp(name, "cydia") != 0) {
2814         bool cydia = false;
2815         bool user = false;
2816         bool _private = false;
2817         bool stash = false;
2818
2819         bool repository = [[self section] isEqualToString:@"Repositories"];
2820
2821         if (NSArray *files = [self files])
2822             for (NSString *file in files)
2823                 if (!cydia && [file isEqualToString:@"/Applications/Cydia.app"])
2824                     cydia = true;
2825                 else if (!user && [file isEqualToString:@"/User"])
2826                     user = true;
2827                 else if (!_private && [file isEqualToString:@"/private"])
2828                     _private = true;
2829                 else if (!stash && [file isEqualToString:@"/var/stash"])
2830                     stash = true;
2831
2832         /* XXX: this is not sensitive enough. only some folders are valid. */
2833         if (cydia && !repository)
2834             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"Cydia.app"]];
2835         if (user)
2836             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/User"]];
2837         if (_private)
2838             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/private"]];
2839         if (stash)
2840             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/var/stash"]];
2841     }
2842
2843     return [warnings count] == 0 ? nil : warnings;
2844 }
2845
2846 - (NSArray *) applications {
2847     NSString *me([[NSBundle mainBundle] bundleIdentifier]);
2848
2849     NSMutableArray *applications([NSMutableArray arrayWithCapacity:2]);
2850
2851     static Pcre application_r("^/Applications/(.*)\\.app/Info.plist$");
2852     if (NSArray *files = [self files])
2853         for (NSString *file in files)
2854             if (application_r(file)) {
2855                 NSDictionary *info([NSDictionary dictionaryWithContentsOfFile:file]);
2856                 NSString *id([info objectForKey:@"CFBundleIdentifier"]);
2857                 if ([id isEqualToString:me])
2858                     continue;
2859
2860                 NSString *display([info objectForKey:@"CFBundleDisplayName"]);
2861                 if (display == nil)
2862                     display = application_r[1];
2863
2864                 NSString *bundle([file stringByDeletingLastPathComponent]);
2865                 NSString *icon([info objectForKey:@"CFBundleIconFile"]);
2866                 if (icon == nil || [icon length] == 0)
2867                     icon = @"icon.png";
2868                 NSURL *url([NSURL fileURLWithPath:[bundle stringByAppendingPathComponent:icon]]);
2869
2870                 NSMutableArray *application([NSMutableArray arrayWithCapacity:2]);
2871                 [applications addObject:application];
2872
2873                 [application addObject:id];
2874                 [application addObject:display];
2875                 [application addObject:url];
2876             }
2877
2878     return [applications count] == 0 ? nil : applications;
2879 }
2880
2881 - (Source *) source {
2882     if (source_ == nil) {
2883         @synchronized (database_) {
2884             if ([database_ era] != era_ || file_.end())
2885                 source_ = (Source *) [NSNull null];
2886             else
2887                 source_ = [database_ getSource:file_.File()] ?: (Source *) [NSNull null];
2888         }
2889     }
2890
2891     return source_ == (Source *) [NSNull null] ? nil : source_;
2892 }
2893
2894 - (uint32_t) rank {
2895     return rank_;
2896 }
2897
2898 - (BOOL) matches:(NSArray *)query {
2899     if (query == nil || [query count] == 0)
2900         return NO;
2901
2902     rank_ = 0;
2903
2904     NSString *string;
2905     NSRange range;
2906     NSUInteger length;
2907
2908     string = [self name];
2909     length = [string length];
2910
2911     for (NSString *term in query) {
2912         range = [string rangeOfString:term options:MatchCompareOptions_];
2913         if (range.location != NSNotFound)
2914             rank_ -= 6 * 1000000 / length;
2915     }
2916
2917     if (rank_ == 0) {
2918         string = [self id];
2919         length = [string length];
2920
2921         for (NSString *term in query) {
2922             range = [string rangeOfString:term options:MatchCompareOptions_];
2923             if (range.location != NSNotFound)
2924                 rank_ -= 6 * 1000000 / length;
2925         }
2926     }
2927
2928     string = [self shortDescription];
2929     length = [string length];
2930     NSUInteger stop(std::min<NSUInteger>(length, 200));
2931
2932     for (NSString *term in query) {
2933         range = [string rangeOfString:term options:MatchCompareOptions_ range:NSMakeRange(0, stop)];
2934         if (range.location != NSNotFound)
2935             rank_ -= 2 * 100000;
2936     }
2937
2938     return rank_ != 0;
2939 }
2940
2941 - (bool) hasSupportingRole {
2942     if (role_ == 0)
2943         return true;
2944     if (role_ == 1)
2945         return true;
2946     if ([Role_ isEqualToString:@"User"])
2947         return false;
2948     if (role_ == 2)
2949         return true;
2950     if ([Role_ isEqualToString:@"Hacker"])
2951         return false;
2952     if (role_ == 3)
2953         return true;
2954     if ([Role_ isEqualToString:@"Developer"])
2955         return false;
2956     _assert(false);
2957 }
2958
2959 - (NSArray *) tags {
2960     return tags_;
2961 }
2962
2963 - (BOOL) hasTag:(NSString *)tag {
2964     return tags_ == nil ? NO : [tags_ containsObject:tag];
2965 }
2966
2967 - (NSString *) primaryPurpose {
2968     for (NSString *tag in (NSArray *) tags_)
2969         if ([tag hasPrefix:@"purpose::"])
2970             return [tag substringFromIndex:9];
2971     return nil;
2972 }
2973
2974 - (NSArray *) purposes {
2975     NSMutableArray *purposes([NSMutableArray arrayWithCapacity:2]);
2976     for (NSString *tag in (NSArray *) tags_)
2977         if ([tag hasPrefix:@"purpose::"])
2978             [purposes addObject:[tag substringFromIndex:9]];
2979     return [purposes count] == 0 ? nil : purposes;
2980 }
2981
2982 - (bool) isCommercial {
2983     return [self hasTag:@"cydia::commercial"];
2984 }
2985
2986 - (void) setIndex:(size_t)index {
2987     if (metadata_->index_ != index)
2988         metadata_->index_ = index;
2989 }
2990
2991 - (CYString &) cyname {
2992     return name_.empty() ? id_ : name_;
2993 }
2994
2995 - (uint32_t) compareBySection:(NSArray *)sections {
2996     NSString *section([self section]);
2997     for (size_t i(0), e([sections count]); i != e; ++i) {
2998         if ([section isEqualToString:[[sections objectAtIndex:i] name]])
2999             return i;
3000     }
3001
3002     return _not(uint32_t);
3003 }
3004
3005 - (void) clear {
3006 @synchronized (database_) {
3007     pkgProblemResolver *resolver = [database_ resolver];
3008     resolver->Clear(iterator_);
3009
3010     pkgCacheFile &cache([database_ cache]);
3011     cache->SetReInstall(iterator_, false);
3012     cache->MarkKeep(iterator_, false);
3013 } }
3014
3015 - (void) install {
3016 @synchronized (database_) {
3017     pkgProblemResolver *resolver = [database_ resolver];
3018     resolver->Clear(iterator_);
3019     resolver->Protect(iterator_);
3020
3021     pkgCacheFile &cache([database_ cache]);
3022     cache->SetReInstall(iterator_, false);
3023     cache->MarkInstall(iterator_, false);
3024
3025     pkgDepCache::StateCache &state((*cache)[iterator_]);
3026     if (!state.Install())
3027         cache->SetReInstall(iterator_, true);
3028 } }
3029
3030 - (void) remove {
3031 @synchronized (database_) {
3032     pkgProblemResolver *resolver = [database_ resolver];
3033     resolver->Clear(iterator_);
3034     resolver->Remove(iterator_);
3035     resolver->Protect(iterator_);
3036
3037     pkgCacheFile &cache([database_ cache]);
3038     cache->SetReInstall(iterator_, false);
3039     cache->MarkDelete(iterator_, true);
3040 } }
3041
3042 - (bool) isUnfilteredAndSearchedForBy:(NSArray *)query {
3043     _profile(Package$isUnfilteredAndSearchedForBy)
3044         bool value(true);
3045
3046         _profile(Package$isUnfilteredAndSearchedForBy$Unfiltered)
3047             value &= [self unfiltered];
3048         _end
3049
3050         _profile(Package$isUnfilteredAndSearchedForBy$Match)
3051             value &= [self matches:query];
3052         _end
3053
3054         return value;
3055     _end
3056 }
3057
3058 - (bool) isUnfilteredAndSelectedForBy:(NSString *)search {
3059     if ([search length] == 0)
3060         return false;
3061
3062     _profile(Package$isUnfilteredAndSelectedForBy)
3063         bool value(true);
3064
3065         _profile(Package$isUnfilteredAndSelectedForBy$Unfiltered)
3066             value &= [self unfiltered];
3067         _end
3068
3069         _profile(Package$isUnfilteredAndSelectedForBy$Match)
3070             value &= [[self name] compare:search options:MatchCompareOptions_ range:NSMakeRange(0, [search length])] == NSOrderedSame;
3071         _end
3072
3073         return value;
3074     _end
3075 }
3076
3077 - (bool) isInstalledAndUnfiltered:(NSNumber *)number {
3078     return ![self uninstalled] && (![number boolValue] && role_ != 7 || [self unfiltered]);
3079 }
3080
3081 - (bool) isVisibleInSection:(NSString *)name {
3082     NSString *section([self section]);
3083
3084     return (
3085         name == nil ||
3086         section == nil && [name length] == 0 ||
3087         [name isEqualToString:section]
3088     ) && [self visible];
3089 }
3090
3091 - (bool) isVisibleInSource:(Source *)source {
3092     return [self source] == source && [self visible];
3093 }
3094
3095 @end
3096 /* }}} */
3097 /* Section Class {{{ */
3098 @interface Section : NSObject {
3099     _H<NSString> name_;
3100     unichar index_;
3101     size_t row_;
3102     size_t count_;
3103     _H<NSString> localized_;
3104 }
3105
3106 - (NSComparisonResult) compareByLocalized:(Section *)section;
3107 - (Section *) initWithName:(NSString *)name localized:(NSString *)localized;
3108 - (Section *) initWithName:(NSString *)name localize:(BOOL)localize;
3109 - (Section *) initWithName:(NSString *)name row:(size_t)row localize:(BOOL)localize;
3110 - (Section *) initWithIndex:(unichar)index row:(size_t)row;
3111 - (NSString *) name;
3112 - (unichar) index;
3113
3114 - (size_t) row;
3115 - (size_t) count;
3116
3117 - (void) addToRow;
3118 - (void) addToCount;
3119
3120 - (void) setCount:(size_t)count;
3121 - (NSString *) localized;
3122
3123 @end
3124
3125 @implementation Section
3126
3127 - (NSComparisonResult) compareByLocalized:(Section *)section {
3128     NSString *lhs(localized_);
3129     NSString *rhs([section localized]);
3130
3131     /*if ([lhs length] != 0 && [rhs length] != 0) {
3132         unichar lhc = [lhs characterAtIndex:0];
3133         unichar rhc = [rhs characterAtIndex:0];
3134
3135         if (isalpha(lhc) && !isalpha(rhc))
3136             return NSOrderedAscending;
3137         else if (!isalpha(lhc) && isalpha(rhc))
3138             return NSOrderedDescending;
3139     }*/
3140
3141     return [lhs compare:rhs options:LaxCompareOptions_];
3142 }
3143
3144 - (Section *) initWithName:(NSString *)name localized:(NSString *)localized {
3145     if ((self = [self initWithName:name localize:NO]) != nil) {
3146         if (localized != nil)
3147             localized_ = localized;
3148     } return self;
3149 }
3150
3151 - (Section *) initWithName:(NSString *)name localize:(BOOL)localize {
3152     return [self initWithName:name row:0 localize:localize];
3153 }
3154
3155 - (Section *) initWithName:(NSString *)name row:(size_t)row localize:(BOOL)localize {
3156     if ((self = [super init]) != nil) {
3157         name_ = name;
3158         index_ = '\0';
3159         row_ = row;
3160         if (localize)
3161             localized_ = LocalizeSection(name_);
3162     } return self;
3163 }
3164
3165 /* XXX: localize the index thingees */
3166 - (Section *) initWithIndex:(unichar)index row:(size_t)row {
3167     if ((self = [super init]) != nil) {
3168         name_ = [NSString stringWithCharacters:&index length:1];
3169         index_ = index;
3170         row_ = row;
3171     } return self;
3172 }
3173
3174 - (NSString *) name {
3175     return name_;
3176 }
3177
3178 - (unichar) index {
3179     return index_;
3180 }
3181
3182 - (size_t) row {
3183     return row_;
3184 }
3185
3186 - (size_t) count {
3187     return count_;
3188 }
3189
3190 - (void) addToRow {
3191     ++row_;
3192 }
3193
3194 - (void) addToCount {
3195     ++count_;
3196 }
3197
3198 - (void) setCount:(size_t)count {
3199     count_ = count;
3200 }
3201
3202 - (NSString *) localized {
3203     return localized_;
3204 }
3205
3206 @end
3207 /* }}} */
3208
3209 class CydiaLogCleaner :
3210     public pkgArchiveCleaner
3211 {
3212   protected:
3213     virtual void Erase(const char *File, std::string Pkg, std::string Ver, struct stat &St) {
3214         unlink(File);
3215     }
3216 };
3217
3218 /* Database Implementation {{{ */
3219 @implementation Database
3220
3221 + (Database *) sharedInstance {
3222     static _H<Database> instance;
3223     if (instance == nil)
3224         instance = [[[Database alloc] init] autorelease];
3225     return instance;
3226 }
3227
3228 - (unsigned) era {
3229     return era_;
3230 }
3231
3232 - (void) releasePackages {
3233     CFArrayApplyFunction(packages_, CFRangeMake(0, CFArrayGetCount(packages_)), reinterpret_cast<CFArrayApplierFunction>(&CFRelease), NULL);
3234     CFArrayRemoveAllValues(packages_);
3235 }
3236
3237 - (void) dealloc {
3238     // XXX: actually implement this thing
3239     _assert(false);
3240     [self releasePackages];
3241     apr_pool_destroy(pool_);
3242     NSRecycleZone(zone_);
3243     [super dealloc];
3244 }
3245
3246 - (void) _readCydia:(NSNumber *)fd {
3247     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3248     std::istream is(&ib);
3249     std::string line;
3250
3251     static Pcre finish_r("^finish:([^:]*)$");
3252
3253     while (std::getline(is, line)) {
3254         NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
3255
3256         const char *data(line.c_str());
3257         size_t size = line.size();
3258         lprintf("C:%s\n", data);
3259
3260         if (finish_r(data, size)) {
3261             NSString *finish = finish_r[1];
3262             int index = [Finishes_ indexOfObject:finish];
3263             if (index != INT_MAX && index > Finish_)
3264                 Finish_ = index;
3265         }
3266
3267         [pool release];
3268     }
3269
3270     _assume(false);
3271 }
3272
3273 - (void) _readStatus:(NSNumber *)fd {
3274     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3275     std::istream is(&ib);
3276     std::string line;
3277
3278     static Pcre conffile_r("^status: [^ ]* : conffile-prompt : (.*?) *$");
3279     static Pcre pmstatus_r("^([^:]*):([^:]*):([^:]*):(.*)$");
3280
3281     while (std::getline(is, line)) {
3282         NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
3283
3284         const char *data(line.c_str());
3285         size_t size(line.size());
3286         lprintf("S:%s\n", data);
3287
3288         if (conffile_r(data, size)) {
3289             // status: /fail : conffile-prompt : '/fail' '/fail.dpkg-new' 1 1
3290             [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:conffile_r[1] waitUntilDone:YES];
3291         } else if (strncmp(data, "status: ", 8) == 0) {
3292             // status: <package>: {unpacked,half-configured,installed}
3293             CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:(data + 8)] ofType:kCydiaProgressEventTypeStatus]);
3294             [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3295         } else if (strncmp(data, "processing: ", 12) == 0) {
3296             // processing: configure: config-test
3297             CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:(data + 12)] ofType:kCydiaProgressEventTypeStatus]);
3298             [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3299         } else if (pmstatus_r(data, size)) {
3300             std::string type([pmstatus_r[1] UTF8String]);
3301
3302             NSString *package = pmstatus_r[2];
3303             if ([package isEqualToString:@"dpkg-exec"])
3304                 package = nil;
3305
3306             float percent([pmstatus_r[3] floatValue]);
3307             [progress_ performSelectorOnMainThread:@selector(setProgressPercent:) withObject:[NSNumber numberWithFloat:(percent / 100)] waitUntilDone:YES];
3308
3309             NSString *string = pmstatus_r[4];
3310
3311             if (type == "pmerror") {
3312                 CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:kCydiaProgressEventTypeError forPackage:package]);
3313                 [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3314             } else if (type == "pmstatus") {
3315                 CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:kCydiaProgressEventTypeStatus forPackage:package]);
3316                 [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3317             } else if (type == "pmconffile")
3318                 [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:string waitUntilDone:YES];
3319             else
3320                 lprintf("E:unknown pmstatus\n");
3321         } else
3322             lprintf("E:unknown status\n");
3323
3324         [pool release];
3325     }
3326
3327     _assume(false);
3328 }
3329
3330 - (void) _readOutput:(NSNumber *)fd {
3331     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3332     std::istream is(&ib);
3333     std::string line;
3334
3335     while (std::getline(is, line)) {
3336         NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
3337
3338         lprintf("O:%s\n", line.c_str());
3339
3340         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:line.c_str()] ofType:kCydiaProgressEventTypeInformation]);
3341         [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3342
3343         [pool release];
3344     }
3345
3346     _assume(false);
3347 }
3348
3349 - (FILE *) input {
3350     return input_;
3351 }
3352
3353 - (Package *) packageWithName:(NSString *)name {
3354     if (name == nil)
3355         return nil;
3356 @synchronized (self) {
3357     if (static_cast<pkgDepCache *>(cache_) == NULL)
3358         return nil;
3359     pkgCache::PkgIterator iterator(cache_->FindPkg([name UTF8String]));
3360     return iterator.end() ? nil : [Package packageWithIterator:iterator withZone:NULL inPool:pool_ database:self];
3361 } }
3362
3363 - (id) init {
3364     if ((self = [super init]) != nil) {
3365         policy_ = NULL;
3366         records_ = NULL;
3367         resolver_ = NULL;
3368         fetcher_ = NULL;
3369         lock_ = NULL;
3370
3371         zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
3372         apr_pool_create(&pool_, NULL);
3373
3374         size_t capacity(MetaFile_->active_);
3375         if (capacity == 0)
3376             capacity = 16384;
3377         else
3378             capacity += 1024;
3379
3380         packages_ = CFArrayCreateMutable(kCFAllocatorDefault, capacity, NULL);
3381         sourceList_ = [NSMutableArray arrayWithCapacity:16];
3382
3383         int fds[2];
3384
3385         _assert(pipe(fds) != -1);
3386         cydiafd_ = fds[1];
3387
3388         _config->Set("APT::Keep-Fds::", cydiafd_);
3389         setenv("CYDIA", [[[[NSNumber numberWithInt:cydiafd_] stringValue] stringByAppendingString:@" 1"] UTF8String], _not(int));
3390
3391         [NSThread
3392             detachNewThreadSelector:@selector(_readCydia:)
3393             toTarget:self
3394             withObject:[NSNumber numberWithInt:fds[0]]
3395         ];
3396
3397         _assert(pipe(fds) != -1);
3398         statusfd_ = fds[1];
3399
3400         [NSThread
3401             detachNewThreadSelector:@selector(_readStatus:)
3402             toTarget:self
3403             withObject:[NSNumber numberWithInt:fds[0]]
3404         ];
3405
3406         _assert(pipe(fds) != -1);
3407         _assert(dup2(fds[0], 0) != -1);
3408         _assert(close(fds[0]) != -1);
3409
3410         input_ = fdopen(fds[1], "a");
3411
3412         _assert(pipe(fds) != -1);
3413         _assert(dup2(fds[1], 1) != -1);
3414         _assert(close(fds[1]) != -1);
3415
3416         [NSThread
3417             detachNewThreadSelector:@selector(_readOutput:)
3418             toTarget:self
3419             withObject:[NSNumber numberWithInt:fds[0]]
3420         ];
3421     } return self;
3422 }
3423
3424 - (pkgCacheFile &) cache {
3425     return cache_;
3426 }
3427
3428 - (pkgDepCache::Policy *) policy {
3429     return policy_;
3430 }
3431
3432 - (pkgRecords *) records {
3433     return records_;
3434 }
3435
3436 - (pkgProblemResolver *) resolver {
3437     return resolver_;
3438 }
3439
3440 - (pkgAcquire &) fetcher {
3441     return *fetcher_;
3442 }
3443
3444 - (pkgSourceList &) list {
3445     return *list_;
3446 }
3447
3448 - (NSArray *) packages {
3449     return (NSArray *) packages_;
3450 }
3451
3452 - (NSArray *) sources {
3453     return sourceList_;
3454 }
3455
3456 - (Source *) sourceWithKey:(NSString *)key {
3457     for (Source *source in [self sources]) {
3458         if ([[source key] isEqualToString:key])
3459             return source;
3460     } return nil;
3461 }
3462
3463 - (bool) popErrorWithTitle:(NSString *)title {
3464     bool fatal(false);
3465
3466     while (!_error->empty()) {
3467         std::string error;
3468         bool warning(!_error->PopMessage(error));
3469         if (!warning)
3470             fatal = true;
3471
3472         for (;;) {
3473             size_t size(error.size());
3474             if (size == 0 || error[size - 1] != '\n')
3475                 break;
3476             error.resize(size - 1);
3477         }
3478
3479         lprintf("%c:[%s]\n", warning ? 'W' : 'E', error.c_str());
3480
3481         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? kCydiaProgressEventTypeWarning : kCydiaProgressEventTypeError)] forTask:title];
3482     }
3483
3484     return fatal;
3485 }
3486
3487 - (bool) popErrorWithTitle:(NSString *)title forOperation:(bool)success {
3488     return [self popErrorWithTitle:title] || !success;
3489 }
3490
3491 - (void) reloadDataWithInvocation:(NSInvocation *)invocation {
3492 @synchronized (self) {
3493     ++era_;
3494
3495     [self releasePackages];
3496
3497     sourceMap_.clear();
3498     [sourceList_ removeAllObjects];
3499
3500     _error->Discard();
3501
3502     delete list_;
3503     list_ = NULL;
3504     manager_ = NULL;
3505     delete lock_;
3506     lock_ = NULL;
3507     delete fetcher_;
3508     fetcher_ = NULL;
3509     delete resolver_;
3510     resolver_ = NULL;
3511     delete records_;
3512     records_ = NULL;
3513     delete policy_;
3514     policy_ = NULL;
3515
3516     cache_.Close();
3517
3518     apr_pool_clear(pool_);
3519
3520     NSRecycleZone(zone_);
3521     zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
3522
3523     int chk(creat("/tmp/cydia.chk", 0644));
3524     if (chk != -1)
3525         close(chk);
3526
3527     if (invocation != nil)
3528         [invocation invoke];
3529
3530     NSString *title(UCLocalize("DATABASE"));
3531
3532     _trace();
3533     OpProgress progress;
3534     while (!cache_.Open(progress, true)) { pop:
3535         std::string error;
3536         bool warning(!_error->PopMessage(error));
3537         lprintf("cache_.Open():[%s]\n", error.c_str());
3538
3539         if (error == "dpkg was interrupted, you must manually run 'dpkg --configure -a' to correct the problem. ")
3540             [delegate_ repairWithSelector:@selector(configure)];
3541         else if (error == "The package lists or status file could not be parsed or opened.")
3542             [delegate_ repairWithSelector:@selector(update)];
3543         // else if (error == "Could not get lock /var/lib/dpkg/lock - open (35 Resource temporarily unavailable)")
3544         // else if (error == "Could not open lock file /var/lib/dpkg/lock - open (13 Permission denied)")
3545         // else if (error == "Malformed Status line")
3546         // else if (error == "The list of sources could not be read.")
3547         else {
3548             [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? kCydiaProgressEventTypeWarning : kCydiaProgressEventTypeError)] forTask:title];
3549             return;
3550         }
3551
3552         if (warning)
3553             goto pop;
3554         _error->Discard();
3555     }
3556     _trace();
3557
3558     unlink("/tmp/cydia.chk");
3559
3560     now_ = [[NSDate date] timeIntervalSince1970];
3561
3562     policy_ = new pkgDepCache::Policy();
3563     records_ = new pkgRecords(cache_);
3564     resolver_ = new pkgProblemResolver(cache_);
3565     fetcher_ = new pkgAcquire(&status_);
3566     lock_ = NULL;
3567
3568     list_ = new pkgSourceList();
3569     if ([self popErrorWithTitle:title forOperation:list_->ReadMainList()])
3570         return;
3571
3572     if (cache_->DelCount() != 0 || cache_->InstCount() != 0) {
3573         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("COUNTS_NONZERO_EX") ofType:kCydiaProgressEventTypeError] forTask:title];
3574         return;
3575     }
3576
3577     if ([self popErrorWithTitle:title forOperation:pkgApplyStatus(cache_)])
3578         return;
3579
3580     if (cache_->BrokenCount() != 0) {
3581         if ([self popErrorWithTitle:title forOperation:pkgFixBroken(cache_)])
3582             return;
3583
3584         if (cache_->BrokenCount() != 0) {
3585             [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("STILL_BROKEN_EX") ofType:kCydiaProgressEventTypeError] forTask:title];
3586             return;
3587         }
3588
3589         if ([self popErrorWithTitle:title forOperation:pkgMinimizeUpgrade(cache_)])
3590             return;
3591     }
3592
3593     for (pkgSourceList::const_iterator source = list_->begin(); source != list_->end(); ++source) {
3594         Source *object([[[Source alloc] initWithMetaIndex:*source forDatabase:self inPool:pool_] autorelease]);
3595         [sourceList_ addObject:object];
3596
3597         std::vector<pkgIndexFile *> *indices = (*source)->GetIndexFiles();
3598         for (std::vector<pkgIndexFile *>::const_iterator index = indices->begin(); index != indices->end(); ++index)
3599             // XXX: this could be more intelligent
3600             if (dynamic_cast<debPackagesIndex *>(*index) != NULL) {
3601                 pkgCache::PkgFileIterator cached((*index)->FindInCache(cache_));
3602                 if (!cached.end())
3603                     sourceMap_[cached->ID] = object;
3604             }
3605     }
3606
3607     {
3608         /*std::vector<Package *> packages;
3609         packages.reserve(std::max(10000U, [packages_ count] + 1000));
3610         packages_ = nil;*/
3611
3612         _trace();
3613
3614         for (pkgCache::PkgIterator iterator = cache_->PkgBegin(); !iterator.end(); ++iterator)
3615             if (Package *package = [Package packageWithIterator:iterator withZone:zone_ inPool:pool_ database:self])
3616                 //packages.push_back(package);
3617                 CFArrayAppendValue(packages_, CFRetain(package));
3618
3619         _trace();
3620
3621         /*if (packages.empty())
3622             packages_ = [[NSArray alloc] init];
3623         else
3624             packages_ = [[NSArray alloc] initWithObjects:&packages.front() count:packages.size()];
3625         _trace();*/
3626
3627         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<MenesRadixSortFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(16)];
3628         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<MenesRadixSortFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(4)];
3629         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<MenesRadixSortFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(0)];
3630
3631         /*_trace();
3632         PrintTimes();
3633         _trace();*/
3634
3635         _trace();
3636
3637         /*if (!packages.empty())
3638             CFQSortArray(&packages.front(), packages.size(), sizeof(packages.front()), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare_), NULL);*/
3639         //std::sort(packages.begin(), packages.end(), PackageNameOrdering());
3640
3641         //CFArraySortValues((CFMutableArrayRef) packages_, CFRangeMake(0, [packages_ count]), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare), NULL);
3642
3643         CFArrayInsertionSortValues(packages_, CFRangeMake(0, CFArrayGetCount(packages_)), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare), NULL);
3644
3645         //[packages_ sortUsingFunction:reinterpret_cast<NSComparisonResult (*)(id, id, void *)>(&PackageNameCompare) context:NULL];
3646
3647         _trace();
3648
3649         size_t count(CFArrayGetCount(packages_));
3650         MetaFile_->active_ = count;
3651
3652         for (size_t index(0); index != count; ++index)
3653             [(Package *) CFArrayGetValueAtIndex(packages_, index) setIndex:index];
3654
3655         _trace();
3656     }
3657 } }
3658
3659 - (void) clear {
3660 @synchronized (self) {
3661     delete resolver_;
3662     resolver_ = new pkgProblemResolver(cache_);
3663
3664     for (pkgCache::PkgIterator iterator(cache_->PkgBegin()); !iterator.end(); ++iterator)
3665         if (!cache_[iterator].Keep())
3666             cache_->MarkKeep(iterator, false);
3667         else if ((cache_[iterator].iFlags & pkgDepCache::ReInstall) != 0)
3668             cache_->SetReInstall(iterator, false);
3669 } }
3670
3671 - (void) configure {
3672     NSString *dpkg = [NSString stringWithFormat:@"dpkg --configure -a --status-fd %u", statusfd_];
3673     _trace();
3674     system([dpkg UTF8String]);
3675     _trace();
3676 }
3677
3678 - (bool) clean {
3679     // XXX: I don't remember this condition
3680     if (lock_ != NULL)
3681         return false;
3682
3683     FileFd Lock;
3684     Lock.Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
3685
3686     NSString *title(UCLocalize("CLEAN_ARCHIVES"));
3687
3688     if ([self popErrorWithTitle:title])
3689         return false;
3690
3691     pkgAcquire fetcher;
3692     fetcher.Clean(_config->FindDir("Dir::Cache::Archives"));
3693
3694     CydiaLogCleaner cleaner;
3695     if ([self popErrorWithTitle:title forOperation:cleaner.Go(_config->FindDir("Dir::Cache::Archives") + "partial/", cache_)])
3696         return false;
3697
3698     return true;
3699 }
3700
3701 - (bool) prepare {
3702     fetcher_->Shutdown();
3703
3704     pkgRecords records(cache_);
3705
3706     lock_ = new FileFd();
3707     lock_->Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
3708
3709     NSString *title(UCLocalize("PREPARE_ARCHIVES"));
3710
3711     if ([self popErrorWithTitle:title])
3712         return false;
3713
3714     pkgSourceList list;
3715     if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3716         return false;
3717
3718     manager_ = (_system->CreatePM(cache_));
3719     if ([self popErrorWithTitle:title forOperation:manager_->GetArchives(fetcher_, &list, &records)])
3720         return false;
3721
3722     return true;
3723 }
3724
3725 - (void) perform {
3726     bool substrate(RestartSubstrate_);
3727     RestartSubstrate_ = false;
3728
3729     NSString *title(UCLocalize("PERFORM_SELECTIONS"));
3730
3731     NSMutableArray *before = [NSMutableArray arrayWithCapacity:16]; {
3732         pkgSourceList list;
3733         if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3734             return;
3735         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
3736             [before addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
3737     }
3738
3739     [delegate_ performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3740
3741     if (fetcher_->Run(PulseInterval_) != pkgAcquire::Continue) {
3742         _trace();
3743         [self popErrorWithTitle:title];
3744         return;
3745     }
3746
3747     bool failed = false;
3748     for (pkgAcquire::ItemIterator item = fetcher_->ItemsBegin(); item != fetcher_->ItemsEnd(); item++) {
3749         if ((*item)->Status == pkgAcquire::Item::StatDone && (*item)->Complete)
3750             continue;
3751         if ((*item)->Status == pkgAcquire::Item::StatIdle)
3752             continue;
3753
3754         failed = true;
3755     }
3756
3757     [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3758
3759     if (failed) {
3760         _trace();
3761         return;
3762     }
3763
3764     if (substrate)
3765         RestartSubstrate_ = true;
3766
3767     _system->UnLock();
3768     pkgPackageManager::OrderResult result = manager_->DoInstall(statusfd_);
3769
3770     if (_error->PendingError()) {
3771         _trace();
3772         return;
3773     }
3774
3775     if (result == pkgPackageManager::Failed) {
3776         _trace();
3777         return;
3778     }
3779
3780     if (result != pkgPackageManager::Completed) {
3781         _trace();
3782         return;
3783     }
3784
3785     NSMutableArray *after = [NSMutableArray arrayWithCapacity:16]; {
3786         pkgSourceList list;
3787         if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3788             return;
3789         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
3790             [after addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
3791     }
3792
3793     if (![before isEqualToArray:after])
3794         [self update];
3795 }
3796
3797 - (bool) upgrade {
3798     NSString *title(UCLocalize("UPGRADE"));
3799     if ([self popErrorWithTitle:title forOperation:pkgDistUpgrade(cache_)])
3800         return false;
3801     return true;
3802 }
3803
3804 - (void) update {
3805     [self updateWithStatus:status_];
3806 }
3807
3808 - (void) updateWithStatus:(Status &)status {
3809     NSString *title(UCLocalize("REFRESHING_DATA"));
3810
3811     pkgSourceList list;
3812     if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3813         return;
3814
3815     FileFd lock;
3816     lock.Fd(GetLock(_config->FindDir("Dir::State::Lists") + "lock"));
3817     if ([self popErrorWithTitle:title])
3818         return;
3819
3820     [delegate_ performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3821
3822     bool success(ListUpdate(status, list, PulseInterval_));
3823     if (status.WasCancelled())
3824         _error->Discard();
3825     else {
3826         [self popErrorWithTitle:title forOperation:success];
3827         [Metadata_ setObject:[NSDate date] forKey:@"LastUpdate"];
3828         Changed_ = true;
3829     }
3830
3831     [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3832 }
3833
3834 - (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate {
3835     delegate_ = delegate;
3836 }
3837
3838 - (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate {
3839     progress_ = delegate;
3840     status_.setDelegate(delegate);
3841 }
3842
3843 - (NSObject<ProgressDelegate> *) progressDelegate {
3844     return progress_;
3845 }
3846
3847 - (Source *) getSource:(pkgCache::PkgFileIterator)file {
3848     SourceMap::const_iterator i(sourceMap_.find(file->ID));
3849     return i == sourceMap_.end() ? nil : i->second;
3850 }
3851
3852 - (NSString *) mappedSectionForPointer:(const char *)section {
3853     _H<NSString> *mapped;
3854
3855     _profile(Database$mappedSectionForPointer$Cache)
3856         mapped = &sections_[section];
3857     _end
3858
3859     if (*mapped == NULL) {
3860         size_t length(strlen(section));
3861         char spaced[length + 1];
3862
3863         _profile(Database$mappedSectionForPointer$Replace)
3864             for (size_t index(0); index != length; ++index)
3865                 spaced[index] = section[index] == '_' ? ' ' : section[index];
3866             spaced[length] = '\0';
3867         _end
3868
3869         NSString *string;
3870
3871         _profile(Database$mappedSectionForPointer$stringWithUTF8String)
3872             string = [NSString stringWithUTF8String:spaced];
3873         _end
3874
3875         _profile(Database$mappedSectionForPointer$Map)
3876             string = [SectionMap_ objectForKey:string] ?: string;
3877         _end
3878
3879         *mapped = string;
3880     } return *mapped;
3881 }
3882
3883 @end
3884 /* }}} */
3885
3886 static _H<NSMutableSet> Diversions_;
3887
3888 @interface Diversion : NSObject {
3889     Pcre pattern_;
3890     _H<NSString> key_;
3891     _H<NSString> format_;
3892 }
3893
3894 @end
3895
3896 @implementation Diversion
3897
3898 - (id) initWithFrom:(NSString *)from to:(NSString *)to {
3899     if ((self = [super init]) != nil) {
3900         pattern_ = [from UTF8String];
3901         key_ = from;
3902         format_ = to;
3903     } return self;
3904 }
3905
3906 - (NSString *) divert:(NSString *)url {
3907     return !pattern_(url) ? nil : pattern_->*format_;
3908 }
3909
3910 + (NSURL *) divertURL:(NSURL *)url {
3911   divert:
3912     NSString *href([url absoluteString]);
3913
3914     for (Diversion *diversion in (id) Diversions_)
3915         if (NSString *diverted = [diversion divert:href]) {
3916 #if !ForRelease
3917             NSLog(@"div: %@", diverted);
3918 #endif
3919             url = [NSURL URLWithString:diverted];
3920             goto divert;
3921         }
3922
3923     return url;
3924 }
3925
3926 - (NSString *) key {
3927     return key_;
3928 }
3929
3930 - (NSUInteger) hash {
3931     return [key_ hash];
3932 }
3933
3934 - (BOOL) isEqual:(Diversion *)object {
3935     return self == object || [self class] == [object class] && [key_ isEqual:[object key]];
3936 }
3937
3938 @end
3939
3940 @interface CydiaObject : NSObject {
3941     _H<IndirectDelegate> indirect_;
3942     _transient id delegate_;
3943 }
3944
3945 - (id) initWithDelegate:(IndirectDelegate *)indirect;
3946
3947 @end
3948
3949 @interface CydiaWebViewController : CyteWebViewController {
3950     _H<CydiaObject> cydia_;
3951 }
3952
3953 + (void) addDiversion:(Diversion *)diversion;
3954
3955 @end
3956
3957 /* Web Scripting {{{ */
3958 @implementation CydiaObject
3959
3960 - (id) initWithDelegate:(IndirectDelegate *)indirect {
3961     if ((self = [super init]) != nil) {
3962         indirect_ = indirect;
3963     } return self;
3964 }
3965
3966 - (void) setDelegate:(id)delegate {
3967     delegate_ = delegate;
3968 }
3969
3970 + (NSArray *) _attributeKeys {
3971     return [NSArray arrayWithObjects:
3972         @"bbsnum",
3973         @"cydiaSource",
3974         @"device",
3975         @"ecid",
3976         @"firmware",
3977         @"hostname",
3978         @"idiom",
3979         @"model",
3980         @"plmn",
3981         @"role",
3982         @"serial",
3983         @"token",
3984         @"version",
3985     nil];
3986 }
3987
3988 - (NSArray *) attributeKeys {
3989     return [[self class] _attributeKeys];
3990 }
3991
3992 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
3993     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
3994 }
3995
3996 - (NSString *) version {
3997     return Cydia_;
3998 }
3999
4000 - (NSString *) device {
4001     return [[UIDevice currentDevice] uniqueIdentifier];
4002 }
4003
4004 - (NSString *) firmware {
4005     return [[UIDevice currentDevice] systemVersion];
4006 }
4007
4008 - (NSString *) hostname {
4009     return [[UIDevice currentDevice] name];
4010 }
4011
4012 - (NSString *) idiom {
4013     return (id) Idiom_ ?: [NSNull null];
4014 }
4015
4016 - (NSString *) plmn {
4017     return (id) PLMN_ ?: [NSNull null];
4018 }
4019
4020 - (NSString *) bbsnum {
4021     return (id) BBSNum_ ?: [NSNull null];
4022 }
4023
4024 - (NSString *) ecid {
4025     return (id) ChipID_ ?: [NSNull null];
4026 }
4027
4028 - (NSString *) serial {
4029     return SerialNumber_;
4030 }
4031
4032 - (NSString *) role {
4033     return (id) Role_ ?: [NSNull null];
4034 }
4035
4036 - (NSString *) model {
4037     return [NSString stringWithUTF8String:Machine_];
4038 }
4039
4040 - (NSString *) token {
4041     return (id) Token_ ?: [NSNull null];
4042 }
4043
4044 + (NSString *) webScriptNameForSelector:(SEL)selector {
4045     if (false);
4046     else if (selector == @selector(addBridgedHost:))
4047         return @"addBridgedHost";
4048     else if (selector == @selector(addInsecureHost:))
4049         return @"addInsecureHost";
4050     else if (selector == @selector(addInternalRedirect::))
4051         return @"addInternalRedirect";
4052     else if (selector == @selector(addPipelinedHost:scheme:))
4053         return @"addPipelinedHost";
4054     else if (selector == @selector(addSource:::))
4055         return @"addSource";
4056     else if (selector == @selector(addTokenHost:))
4057         return @"addTokenHost";
4058     else if (selector == @selector(addTrivialSource:))
4059         return @"addTrivialSource";
4060     else if (selector == @selector(close))
4061         return @"close";
4062     else if (selector == @selector(du:))
4063         return @"du";
4064     else if (selector == @selector(stringWithFormat:arguments:))
4065         return @"format";
4066     else if (selector == @selector(getAllSources))
4067         return @"getAllSourcs";
4068     else if (selector == @selector(getKernelNumber:))
4069         return @"getKernelNumber";
4070     else if (selector == @selector(getKernelString:))
4071         return @"getKernelString";
4072     else if (selector == @selector(getInstalledPackages))
4073         return @"getInstalledPackages";
4074     else if (selector == @selector(getIORegistryEntry::))
4075         return @"getIORegistryEntry";
4076     else if (selector == @selector(getLocaleIdentifier))
4077         return @"getLocaleIdentifier";
4078     else if (selector == @selector(getPreferredLanguages))
4079         return @"getPreferredLanguages";
4080     else if (selector == @selector(getPackageById:))
4081         return @"getPackageById";
4082     else if (selector == @selector(getMetadataKeys))
4083         return @"getMetadataKeys";
4084     else if (selector == @selector(getMetadataValue:))
4085         return @"getMetadataValue";
4086     else if (selector == @selector(getSessionValue:))
4087         return @"getSessionValue";
4088     else if (selector == @selector(installPackages:))
4089         return @"installPackages";
4090     else if (selector == @selector(localizedStringForKey:value:table:))
4091         return @"localize";
4092     else if (selector == @selector(popViewController:))
4093         return @"popViewController";
4094     else if (selector == @selector(refreshSources))
4095         return @"refreshSources";
4096     else if (selector == @selector(removeButton))
4097         return @"removeButton";
4098     else if (selector == @selector(saveConfig))
4099         return @"saveConfig";
4100     else if (selector == @selector(setCydiaSource:))
4101         return @"setCydiaSource";
4102     else if (selector == @selector(setMetadataValue::))
4103         return @"setMetadataValue";
4104     else if (selector == @selector(setSessionValue::))
4105         return @"setSessionValue";
4106     else if (selector == @selector(substitutePackageNames:))
4107         return @"substitutePackageNames";
4108     else if (selector == @selector(scrollToBottom:))
4109         return @"scrollToBottom";
4110     else if (selector == @selector(setAllowsNavigationAction:))
4111         return @"setAllowsNavigationAction";
4112     else if (selector == @selector(setBadgeValue:))
4113         return @"setBadgeValue";
4114     else if (selector == @selector(setButtonImage:withStyle:toFunction:))
4115         return @"setButtonImage";
4116     else if (selector == @selector(setButtonTitle:withStyle:toFunction:))
4117         return @"setButtonTitle";
4118     else if (selector == @selector(setHidesBackButton:))
4119         return @"setHidesBackButton";
4120     else if (selector == @selector(setHidesNavigationBar:))
4121         return @"setHidesNavigationBar";
4122     else if (selector == @selector(setNavigationBarStyle:))
4123         return @"setNavigationBarStyle";
4124     else if (selector == @selector(setNavigationBarTintRed:green:blue:alpha:))
4125         return @"setNavigationBarTintColor";
4126     else if (selector == @selector(setPasteboardString:))
4127         return @"setPasteboardString";
4128     else if (selector == @selector(setPasteboardURL:))
4129         return @"setPasteboardURL";
4130     else if (selector == @selector(setToken:))
4131         return @"setToken";
4132     else if (selector == @selector(setViewportWidth:))
4133         return @"setViewportWidth";
4134     else if (selector == @selector(statfs:))
4135         return @"statfs";
4136     else if (selector == @selector(supports:))
4137         return @"supports";
4138     else if (selector == @selector(unload))
4139         return @"unload";
4140     else
4141         return nil;
4142 }
4143
4144 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
4145     return [self webScriptNameForSelector:selector] == nil;
4146 }
4147
4148 - (BOOL) supports:(NSString *)feature {
4149     return [feature isEqualToString:@"window.open"];
4150 }
4151
4152 - (void) unload {
4153     [delegate_ performSelectorOnMainThread:@selector(unloadData) withObject:nil waitUntilDone:NO];
4154 }
4155
4156 - (void) addInternalRedirect:(NSString *)from :(NSString *)to {
4157     [CydiaWebViewController performSelectorOnMainThread:@selector(addDiversion:) withObject:[[[Diversion alloc] initWithFrom:from to:to] autorelease] waitUntilDone:NO];
4158 }
4159
4160 - (NSNumber *) getKernelNumber:(NSString *)name {
4161     const char *string([name UTF8String]);
4162
4163     size_t size;
4164     if (sysctlbyname(string, NULL, &size, NULL, 0) == -1)
4165         return (id) [NSNull null];
4166
4167     if (size != sizeof(int))
4168         return (id) [NSNull null];
4169
4170     int value;
4171     if (sysctlbyname(string, &value, &size, NULL, 0) == -1)
4172         return (id) [NSNull null];
4173
4174     return [NSNumber numberWithInt:value];
4175 }
4176
4177 - (NSString *) getKernelString:(NSString *)name {
4178     const char *string([name UTF8String]);
4179
4180     size_t size;
4181     if (sysctlbyname(string, NULL, &size, NULL, 0) == -1)
4182         return (id) [NSNull null];
4183
4184     char value[size + 1];
4185     if (sysctlbyname(string, value, &size, NULL, 0) == -1)
4186         return (id) [NSNull null];
4187
4188     // XXX: just in case you request something ludicrous
4189     value[size] = '\0';
4190
4191     return [NSString stringWithCString:value];
4192 }
4193
4194 - (NSObject *) getIORegistryEntry:(NSString *)path :(NSString *)entry {
4195     NSObject *value(CYIOGetValue([path UTF8String], entry));
4196
4197     if (value != nil)
4198         if ([value isKindOfClass:[NSData class]])
4199             value = CYHex((NSData *) value);
4200
4201     return value;
4202 }
4203
4204 - (void) _setCydiaSource:(NSString *)source {
4205     @synchronized (HostConfig_) {
4206         CydiaSource_ = source;
4207         [Metadata_ setObject:source forKey:@"CydiaSource"];
4208     }
4209
4210     Changed_ = true;
4211 }
4212
4213 - (void) setCydiaSource:(NSString *)source {
4214     [self performSelectorOnMainThread:@selector(_setCydiaSource:) withObject:source waitUntilDone:NO];
4215 }
4216
4217 - (NSString *) cydiaSource {
4218     @synchronized (HostConfig_) {
4219         return (id) CydiaSource_ ?: [NSNull null];
4220     }
4221 }
4222
4223 - (NSArray *) getMetadataKeys {
4224 @synchronized (Values_) {
4225     return [Values_ allKeys];
4226 } }
4227
4228 - (id) getMetadataValue:(NSString *)key {
4229 @synchronized (Values_) {
4230     return [Values_ objectForKey:key];
4231 } }
4232
4233 - (void) setMetadataValue:(NSString *)key :(NSString *)value {
4234 @synchronized (Values_) {
4235     if (value == nil || value == (id) [WebUndefined undefined] || value == (id) [NSNull null])
4236         [Values_ removeObjectForKey:key];
4237     else
4238         [Values_ setObject:value forKey:key];
4239
4240     [delegate_ performSelectorOnMainThread:@selector(updateValues) withObject:nil waitUntilDone:YES];
4241 } }
4242
4243 - (id) getSessionValue:(NSString *)key {
4244 @synchronized (SessionData_) {
4245     return [SessionData_ objectForKey:key];
4246 } }
4247
4248 - (void) setSessionValue:(NSString *)key :(NSString *)value {
4249 @synchronized (SessionData_) {
4250     if (value == (id) [WebUndefined undefined])
4251         [SessionData_ removeObjectForKey:key];
4252     else
4253         [SessionData_ setObject:value forKey:key];
4254 } }
4255
4256 - (void) addBridgedHost:(NSString *)host {
4257 @synchronized (HostConfig_) {
4258     [BridgedHosts_ addObject:host];
4259 } }
4260
4261 - (void) addInsecureHost:(NSString *)host {
4262 @synchronized (HostConfig_) {
4263     [InsecureHosts_ addObject:host];
4264 } }
4265
4266 - (void) addTokenHost:(NSString *)host {
4267 @synchronized (HostConfig_) {
4268     [TokenHosts_ addObject:host];
4269 } }
4270
4271 - (void) addPipelinedHost:(NSString *)host scheme:(NSString *)scheme {
4272 @synchronized (HostConfig_) {
4273     if (scheme != (id) [WebUndefined undefined])
4274         host = [NSString stringWithFormat:@"%@:%@", [scheme lowercaseString], host];
4275
4276     [PipelinedHosts_ addObject:host];
4277 } }
4278
4279 - (void) popViewController:(NSNumber *)value {
4280     if (value == (id) [WebUndefined undefined])
4281         value = [NSNumber numberWithBool:YES];
4282     [indirect_ performSelectorOnMainThread:@selector(popViewControllerWithNumber:) withObject:value waitUntilDone:NO];
4283 }
4284
4285 - (void) addSource:(NSString *)href :(NSString *)distribution :(WebScriptObject *)sections {
4286     NSMutableArray *array([NSMutableArray arrayWithCapacity:[sections count]]);
4287
4288     for (NSString *section in sections)
4289         [array addObject:section];
4290
4291     [delegate_ performSelectorOnMainThread:@selector(addSource:) withObject:[NSMutableDictionary dictionaryWithObjectsAndKeys:
4292         @"deb", @"Type",
4293         href, @"URI",
4294         distribution, @"Distribution",
4295         array, @"Sections",
4296     nil] waitUntilDone:NO];
4297 }
4298
4299 - (void) addTrivialSource:(NSString *)href {
4300     [delegate_ performSelectorOnMainThread:@selector(addTrivialSource:) withObject:href waitUntilDone:NO];
4301 }
4302
4303 - (void) refreshSources {
4304     [delegate_ performSelectorOnMainThread:@selector(syncData) withObject:nil waitUntilDone:NO];
4305 }
4306
4307 - (void) saveConfig {
4308     [delegate_ performSelectorOnMainThread:@selector(_saveConfig) withObject:nil waitUntilDone:NO];
4309 }
4310
4311 - (NSArray *) getAllSources {
4312     return [[Database sharedInstance] sources];
4313 }
4314
4315 - (NSArray *) getInstalledPackages {
4316     Database *database([Database sharedInstance]);
4317 @synchronized (database) {
4318     NSArray *packages([database packages]);
4319     NSMutableArray *installed([NSMutableArray arrayWithCapacity:1024]);
4320     for (Package *package in packages)
4321         if (![package uninstalled])
4322             [installed addObject:package];
4323     return installed;
4324 } }
4325
4326 - (Package *) getPackageById:(NSString *)id {
4327     if (Package *package = [[Database sharedInstance] packageWithName:id]) {
4328         [package parse];
4329         return package;
4330     } else
4331         return (Package *) [NSNull null];
4332 }
4333
4334 - (NSString *) getLocaleIdentifier {
4335     return Locale_ == NULL ? (NSString *) [NSNull null] : (NSString *) CFLocaleGetIdentifier(Locale_);
4336 }
4337
4338 - (NSArray *) getPreferredLanguages {
4339     return Languages_;
4340 }
4341
4342 - (NSArray *) statfs:(NSString *)path {
4343     struct statfs stat;
4344
4345     if (path == nil || statfs([path UTF8String], &stat) == -1)
4346         return nil;
4347
4348     return [NSArray arrayWithObjects:
4349         [NSNumber numberWithUnsignedLong:stat.f_bsize],
4350         [NSNumber numberWithUnsignedLong:stat.f_blocks],
4351         [NSNumber numberWithUnsignedLong:stat.f_bfree],
4352     nil];
4353 }
4354
4355 - (NSNumber *) du:(NSString *)path {
4356     NSNumber *value(nil);
4357
4358     int fds[2];
4359     _assert(pipe(fds) != -1);
4360
4361     pid_t pid(ExecFork());
4362     if (pid == 0) {
4363         _assert(dup2(fds[1], 1) != -1);
4364         _assert(close(fds[0]) != -1);
4365         _assert(close(fds[1]) != -1);
4366         /* XXX: this should probably not use du */
4367         execl("/usr/libexec/cydia/du", "du", "-s", [path UTF8String], NULL);
4368         exit(1);
4369         _assert(false);
4370     }
4371
4372     _assert(close(fds[1]) != -1);
4373
4374     if (FILE *du = fdopen(fds[0], "r")) {
4375         char line[1024];
4376         while (fgets(line, sizeof(line), du) != NULL) {
4377             size_t length(strlen(line));
4378             while (length != 0 && line[length - 1] == '\n')
4379                 line[--length] = '\0';
4380             if (char *tab = strchr(line, '\t')) {
4381                 *tab = '\0';
4382                 value = [NSNumber numberWithUnsignedLong:strtoul(line, NULL, 0)];
4383             }
4384         }
4385
4386         fclose(du);
4387     } else _assert(close(fds[0]));
4388
4389     int status;
4390   wait:
4391     if (waitpid(pid, &status, 0) == -1)
4392         if (errno == EINTR)
4393             goto wait;
4394         else _assert(false);
4395
4396     return value;
4397 }
4398
4399 - (void) close {
4400     [indirect_ performSelectorOnMainThread:@selector(close) withObject:nil waitUntilDone:NO];
4401 }
4402
4403 - (void) installPackages:(NSArray *)packages {
4404     [delegate_ performSelectorOnMainThread:@selector(installPackages:) withObject:packages waitUntilDone:NO];
4405 }
4406
4407 - (NSString *) substitutePackageNames:(NSString *)message {
4408     NSMutableArray *words([[message componentsSeparatedByString:@" "] mutableCopy]);
4409     for (size_t i(0), e([words count]); i != e; ++i) {
4410         NSString *word([words objectAtIndex:i]);
4411         if (Package *package = [[Database sharedInstance] packageWithName:word])
4412             [words replaceObjectAtIndex:i withObject:[package name]];
4413     }
4414
4415     return [words componentsJoinedByString:@" "];
4416 }
4417
4418 - (void) removeButton {
4419     [indirect_ removeButton];
4420 }
4421
4422 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
4423     [indirect_ setButtonImage:button withStyle:style toFunction:function];
4424 }
4425
4426 - (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
4427     [indirect_ setButtonTitle:button withStyle:style toFunction:function];
4428 }
4429
4430 - (void) setBadgeValue:(id)value {
4431     [indirect_ performSelectorOnMainThread:@selector(setBadgeValue:) withObject:value waitUntilDone:NO];
4432 }
4433
4434 - (void) setAllowsNavigationAction:(NSString *)value {
4435     [indirect_ performSelectorOnMainThread:@selector(setAllowsNavigationActionByNumber:) withObject:value waitUntilDone:NO];
4436 }
4437
4438 - (void) setHidesBackButton:(NSString *)value {
4439     [indirect_ performSelectorOnMainThread:@selector(setHidesBackButtonByNumber:) withObject:value waitUntilDone:NO];
4440 }
4441
4442 - (void) setHidesNavigationBar:(NSString *)value {
4443     [indirect_ performSelectorOnMainThread:@selector(setHidesNavigationBarByNumber:) withObject:value waitUntilDone:NO];
4444 }
4445
4446 - (void) setNavigationBarStyle:(NSString *)value {
4447     [indirect_ performSelectorOnMainThread:@selector(setNavigationBarStyle:) withObject:value waitUntilDone:NO];
4448 }
4449
4450 - (void) setNavigationBarTintRed:(NSNumber *)red green:(NSNumber *)green blue:(NSNumber *)blue alpha:(NSNumber *)alpha {
4451     float opacity(alpha == (id) [WebUndefined undefined] ? 1 : [alpha floatValue]);
4452     UIColor *color([UIColor colorWithRed:[red floatValue] green:[green floatValue] blue:[blue floatValue] alpha:opacity]);
4453     [indirect_ performSelectorOnMainThread:@selector(setNavigationBarTintColor:) withObject:color waitUntilDone:NO];
4454 }
4455
4456 - (void) setPasteboardString:(NSString *)value {
4457     [[objc_getClass("UIPasteboard") generalPasteboard] setString:value];
4458 }
4459
4460 - (void) setPasteboardURL:(NSString *)value {
4461     [[objc_getClass("UIPasteboard") generalPasteboard] setURL:[NSURL URLWithString:value]];
4462 }
4463
4464 - (void) _setToken:(NSString *)token {
4465     Token_ = token;
4466
4467     if (token == nil)
4468         [Metadata_ removeObjectForKey:@"Token"];
4469     else
4470         [Metadata_ setObject:Token_ forKey:@"Token"];
4471
4472     Changed_ = true;
4473 }
4474
4475 - (void) setToken:(NSString *)token {
4476     [self performSelectorOnMainThread:@selector(_setToken:) withObject:token waitUntilDone:NO];
4477 }
4478
4479 - (void) scrollToBottom:(NSNumber *)animated {
4480     [indirect_ performSelectorOnMainThread:@selector(scrollToBottomAnimated:) withObject:animated waitUntilDone:NO];
4481 }
4482
4483 - (void) setViewportWidth:(float)width {
4484     [indirect_ setViewportWidthOnMainThread:width];
4485 }
4486
4487 - (NSString *) stringWithFormat:(NSString *)format arguments:(WebScriptObject *)arguments {
4488     //NSLog(@"SWF:\"%@\" A:%@", format, [arguments description]);
4489     unsigned count([arguments count]);
4490     id values[count];
4491     for (unsigned i(0); i != count; ++i)
4492         values[i] = [arguments objectAtIndex:i];
4493     return [[[NSString alloc] initWithFormat:format arguments:reinterpret_cast<va_list>(values)] autorelease];
4494 }
4495
4496 - (NSString *) localizedStringForKey:(NSString *)key value:(NSString *)value table:(NSString *)table {
4497     if (reinterpret_cast<id>(value) == [WebUndefined undefined])
4498         value = nil;
4499     if (reinterpret_cast<id>(table) == [WebUndefined undefined])
4500         table = nil;
4501     return [[NSBundle mainBundle] localizedStringForKey:key value:value table:table];
4502 }
4503
4504 @end
4505 /* }}} */
4506
4507 @interface NSURL (CydiaSecure)
4508 @end
4509
4510 @implementation NSURL (CydiaSecure)
4511
4512 - (bool) isCydiaSecure {
4513     if ([[[self scheme] lowercaseString] isEqualToString:@"https"])
4514         return true;
4515
4516     @synchronized (HostConfig_) {
4517         if ([InsecureHosts_ containsObject:[self host]])
4518             return true;
4519     }
4520
4521     return false;
4522 }
4523
4524 @end
4525
4526 /* Cydia Browser Controller {{{ */
4527 @implementation CydiaWebViewController
4528
4529 - (NSURL *) navigationURL {
4530     return request_ == nil ? nil : [NSURL URLWithString:[NSString stringWithFormat:@"cydia://url/%@", [[request_ URL] absoluteString]]];
4531 }
4532
4533 + (void) _initialize {
4534     [super _initialize];
4535
4536     Diversions_ = [NSMutableSet setWithCapacity:0];
4537 }
4538
4539 + (void) addDiversion:(Diversion *)diversion {
4540     [Diversions_ addObject:diversion];
4541 }
4542
4543 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4544     [super webView:view didClearWindowObject:window forFrame:frame];
4545
4546     WebDataSource *source([frame dataSource]);
4547     NSURLResponse *response([source response]);
4548     NSURL *url([response URL]);
4549     NSString *scheme([[url scheme] lowercaseString]);
4550
4551     bool bridged(false);
4552
4553     @synchronized (HostConfig_) {
4554         if ([scheme isEqualToString:@"file"])
4555             bridged = true;
4556         else if ([scheme isEqualToString:@"https"])
4557             if ([BridgedHosts_ containsObject:[url host]])
4558                 bridged = true;
4559     }
4560
4561     if (bridged)
4562         [window setValue:cydia_ forKey:@"cydia"];
4563 }
4564
4565 - (void) _setupMail:(MFMailComposeViewController *)controller {
4566     [controller addAttachmentData:[NSData dataWithContentsOfFile:@"/tmp/cydia.log"] mimeType:@"text/plain" fileName:@"cydia.log"];
4567
4568     system("/usr/bin/dpkg -l >/tmp/dpkgl.log");
4569     [controller addAttachmentData:[NSData dataWithContentsOfFile:@"/tmp/dpkgl.log"] mimeType:@"text/plain" fileName:@"dpkgl.log"];
4570 }
4571
4572 - (NSURL *) URLWithURL:(NSURL *)url {
4573     return [Diversion divertURL:url];
4574 }
4575
4576 - (NSURLRequest *) webView:(WebView *)view resource:(id)resource willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
4577     NSURL *url([request URL]);
4578     NSString *host([url host]);
4579
4580     NSMutableURLRequest *copy([[super webView:view resource:resource willSendRequest:request redirectResponse:response fromDataSource:source] mutableCopy]);
4581
4582     if (System_ != NULL && [copy valueForHTTPHeaderField:@"X-System"] == nil)
4583         [copy setValue:System_ forHTTPHeaderField:@"X-System"];
4584     if (Machine_ != NULL && [copy valueForHTTPHeaderField:@"X-Machine"] == nil)
4585         [copy setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
4586
4587     bool token;
4588     @synchronized (HostConfig_) {
4589         token = [TokenHosts_ containsObject:host] || [BridgedHosts_ containsObject:host];
4590     }
4591
4592     if ([url isCydiaSecure] && token) {
4593         if (Token_ != nil && [copy valueForHTTPHeaderField:@"X-Cydia-Token"] == nil)
4594             [copy setValue:Token_ forHTTPHeaderField:@"X-Cydia-Token"];
4595     }
4596
4597     return copy;
4598 }
4599
4600 - (void) setDelegate:(id)delegate {
4601     [super setDelegate:delegate];
4602     [cydia_ setDelegate:delegate];
4603 }
4604
4605 - (NSString *) applicationNameForUserAgent {
4606     NSString *application([NSString stringWithFormat:@"Cydia/%@", Cydia_]);
4607
4608     if (Safari_ != nil)
4609         application = [NSString stringWithFormat:@"Safari/%@ %@", Safari_, application];
4610     if (Build_ != nil)
4611         application = [NSString stringWithFormat:@"Mobile/%@ %@", Build_, application];
4612     if (Product_ != nil)
4613         application = [NSString stringWithFormat:@"Version/%@ %@", Product_, application];
4614
4615     return application;
4616 }
4617
4618 - (id) init {
4619     if ((self = [super initWithWidth:0 ofClass:[CydiaWebViewController class]]) != nil) {
4620         cydia_ = [[[CydiaObject alloc] initWithDelegate:indirect_] autorelease];
4621     } return self;
4622 }
4623
4624 @end
4625
4626 @interface AppCacheController : CydiaWebViewController {
4627 }
4628
4629 @end
4630
4631 @implementation AppCacheController
4632
4633 - (void) didReceiveMemoryWarning {
4634 }
4635
4636 @end
4637 /* }}} */
4638
4639 // CydiaScript {{{
4640 @interface NSObject (CydiaScript)
4641 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context;
4642 @end
4643
4644 @implementation NSObject (CydiaScript)
4645
4646 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4647     return self;
4648 }
4649
4650 @end
4651
4652 @implementation NSArray (CydiaScript)
4653
4654 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4655     WebScriptObject *object([context evaluateWebScript:@"[]"]);
4656     for (size_t i(0), e([self count]); i != e; ++i)
4657         [object setWebScriptValueAtIndex:i value:[[self objectAtIndex:i] Cydia$webScriptObjectInContext:context]];
4658     return object;
4659 }
4660
4661 @end
4662
4663 @implementation NSDictionary (CydiaScript)
4664
4665 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4666     WebScriptObject *object([context evaluateWebScript:@"({})"]);
4667     for (id i in self)
4668         [object setValue:[[self objectForKey:i] Cydia$webScriptObjectInContext:context] forKey:i];
4669     return object;
4670 }
4671
4672 @end
4673 // }}}
4674
4675 /* Confirmation Controller {{{ */
4676 bool DepSubstrate(const pkgCache::VerIterator &iterator) {
4677     if (!iterator.end())
4678         for (pkgCache::DepIterator dep(iterator.DependsList()); !dep.end(); ++dep) {
4679             if (dep->Type != pkgCache::Dep::Depends && dep->Type != pkgCache::Dep::PreDepends)
4680                 continue;
4681             pkgCache::PkgIterator package(dep.TargetPkg());
4682             if (package.end())
4683                 continue;
4684             if (strcmp(package.Name(), "mobilesubstrate") == 0)
4685                 return true;
4686         }
4687
4688     return false;
4689 }
4690
4691 @protocol ConfirmationControllerDelegate
4692 - (void) cancelAndClear:(bool)clear;
4693 - (void) confirmWithNavigationController:(UINavigationController *)navigation;
4694 - (void) queue;
4695 @end
4696
4697 @interface ConfirmationController : CydiaWebViewController {
4698     _transient Database *database_;
4699
4700     _H<UIAlertView> essential_;
4701
4702     _H<NSDictionary> changes_;
4703     _H<NSMutableArray> issues_;
4704     _H<NSDictionary> sizes_;
4705
4706     BOOL substrate_;
4707 }
4708
4709 - (id) initWithDatabase:(Database *)database;
4710
4711 @end
4712
4713 @implementation ConfirmationController
4714
4715 - (void) complete {
4716     if (substrate_)
4717         RestartSubstrate_ = true;
4718     [delegate_ confirmWithNavigationController:[self navigationController]];
4719 }
4720
4721 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
4722     NSString *context([alert context]);
4723
4724     if ([context isEqualToString:@"remove"]) {
4725         if (button == [alert cancelButtonIndex])
4726             [self dismissModalViewControllerAnimated:YES];
4727         else if (button == [alert firstOtherButtonIndex]) {
4728             [self complete];
4729         }
4730
4731         [alert dismissWithClickedButtonIndex:-1 animated:YES];
4732     } else if ([context isEqualToString:@"unable"]) {
4733         [self dismissModalViewControllerAnimated:YES];
4734         [alert dismissWithClickedButtonIndex:-1 animated:YES];
4735     } else {
4736         [super alertView:alert clickedButtonAtIndex:button];
4737     }
4738 }
4739
4740 - (void) _doContinue {
4741     [delegate_ cancelAndClear:NO];
4742     [self dismissModalViewControllerAnimated:YES];
4743 }
4744
4745 - (id) invokeDefaultMethodWithArguments:(NSArray *)args {
4746     [self performSelectorOnMainThread:@selector(_doContinue) withObject:nil waitUntilDone:NO];
4747     return nil;
4748 }
4749
4750 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4751     [super webView:view didClearWindowObject:window forFrame:frame];
4752
4753     [window setValue:[[NSDictionary dictionaryWithObjectsAndKeys:
4754         (id) changes_, @"changes",
4755         (id) issues_, @"issues",
4756         (id) sizes_, @"sizes",
4757         self, @"queue",
4758     nil] Cydia$webScriptObjectInContext:window] forKey:@"cydiaConfirm"];
4759 }
4760
4761 - (id) initWithDatabase:(Database *)database {
4762     if ((self = [super init]) != nil) {
4763         database_ = database;
4764
4765         NSMutableArray *installs([NSMutableArray arrayWithCapacity:16]);
4766         NSMutableArray *reinstalls([NSMutableArray arrayWithCapacity:16]);
4767         NSMutableArray *upgrades([NSMutableArray arrayWithCapacity:16]);
4768         NSMutableArray *downgrades([NSMutableArray arrayWithCapacity:16]);
4769         NSMutableArray *removes([NSMutableArray arrayWithCapacity:16]);
4770
4771         bool remove(false);
4772
4773         pkgCacheFile &cache([database_ cache]);
4774         NSArray *packages([database_ packages]);
4775         pkgDepCache::Policy *policy([database_ policy]);
4776
4777         issues_ = [NSMutableArray arrayWithCapacity:4];
4778
4779         for (Package *package in packages) {
4780             pkgCache::PkgIterator iterator([package iterator]);
4781             NSString *name([package id]);
4782
4783             if ([package broken]) {
4784                 NSMutableArray *reasons([NSMutableArray arrayWithCapacity:4]);
4785
4786                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4787                     name, @"package",
4788                     reasons, @"reasons",
4789                 nil]];
4790
4791                 pkgCache::VerIterator ver(cache[iterator].InstVerIter(cache));
4792                 if (ver.end())
4793                     continue;
4794
4795                 for (pkgCache::DepIterator dep(ver.DependsList()); !dep.end(); ) {
4796                     pkgCache::DepIterator start;
4797                     pkgCache::DepIterator end;
4798                     dep.GlobOr(start, end); // ++dep
4799
4800                     if (!cache->IsImportantDep(end))
4801                         continue;
4802                     if ((cache[end] & pkgDepCache::DepGInstall) != 0)
4803                         continue;
4804
4805                     NSMutableArray *clauses([NSMutableArray arrayWithCapacity:4]);
4806
4807                     [reasons addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4808                         [NSString stringWithUTF8String:start.DepType()], @"relationship",
4809                         clauses, @"clauses",
4810                     nil]];
4811
4812                     _forever {
4813                         NSString *reason, *installed((NSString *) [WebUndefined undefined]);
4814
4815                         pkgCache::PkgIterator target(start.TargetPkg());
4816                         if (target->ProvidesList != 0)
4817                             reason = @"missing";
4818                         else {
4819                             pkgCache::VerIterator ver(cache[target].InstVerIter(cache));
4820                             if (!ver.end()) {
4821                                 reason = @"installed";
4822                                 installed = [NSString stringWithUTF8String:ver.VerStr()];
4823                             } else if (!cache[target].CandidateVerIter(cache).end())
4824                                 reason = @"uninstalled";
4825                             else if (target->ProvidesList == 0)
4826                                 reason = @"uninstallable";
4827                             else
4828                                 reason = @"virtual";
4829                         }
4830
4831                         NSDictionary *version(start.TargetVer() == 0 ? [NSNull null] : [NSDictionary dictionaryWithObjectsAndKeys:
4832                             [NSString stringWithUTF8String:start.CompType()], @"operator",
4833                             [NSString stringWithUTF8String:start.TargetVer()], @"value",
4834                         nil]);
4835
4836                         [clauses addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4837                             [NSString stringWithUTF8String:start.TargetPkg().Name()], @"package",
4838                             version, @"version",
4839                             reason, @"reason",
4840                             installed, @"installed",
4841                         nil]];
4842
4843                         // yes, seriously. (wtf?)
4844                         if (start == end)
4845                             break;
4846                         ++start;
4847                     }
4848                 }
4849             }
4850
4851             pkgDepCache::StateCache &state(cache[iterator]);
4852
4853             static Pcre special_r("^(firmware$|gsc\\.|cy\\+)");
4854
4855             if (state.NewInstall())
4856                 [installs addObject:name];
4857             // XXX: else if (state.Install())
4858             else if (!state.Delete() && (state.iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall)
4859                 [reinstalls addObject:name];
4860             // XXX: move before previous if
4861             else if (state.Upgrade())
4862                 [upgrades addObject:name];
4863             else if (state.Downgrade())
4864                 [downgrades addObject:name];
4865             else if (!state.Delete())
4866                 // XXX: _assert(state.Keep());
4867                 continue;
4868             else if (special_r(name))
4869                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4870                     [NSNull null], @"package",
4871                     [NSArray arrayWithObjects:
4872                         [NSDictionary dictionaryWithObjectsAndKeys:
4873                             @"Conflicts", @"relationship",
4874                             [NSArray arrayWithObjects:
4875                                 [NSDictionary dictionaryWithObjectsAndKeys:
4876                                     name, @"package",
4877                                     [NSNull null], @"version",
4878                                     @"installed", @"reason",
4879                                 nil],
4880                             nil], @"clauses",
4881                         nil],
4882                     nil], @"reasons",
4883                 nil]];
4884             else {
4885                 if ([package essential])
4886                     remove = true;
4887                 [removes addObject:name];
4888             }
4889
4890             substrate_ |= DepSubstrate(policy->GetCandidateVer(iterator));
4891             substrate_ |= DepSubstrate(iterator.CurrentVer());
4892         }
4893
4894         if (!remove)
4895             essential_ = nil;
4896         else if (Advanced_) {
4897             NSString *parenthetical(UCLocalize("PARENTHETICAL"));
4898
4899             essential_ = [[[UIAlertView alloc]
4900                 initWithTitle:UCLocalize("REMOVING_ESSENTIALS")
4901                 message:UCLocalize("REMOVING_ESSENTIALS_EX")
4902                 delegate:self
4903                 cancelButtonTitle:[NSString stringWithFormat:parenthetical, UCLocalize("CANCEL_OPERATION"), UCLocalize("SAFE")]
4904                 otherButtonTitles:
4905                     [NSString stringWithFormat:parenthetical, UCLocalize("FORCE_REMOVAL"), UCLocalize("UNSAFE")],
4906                 nil
4907             ] autorelease];
4908
4909             [essential_ setContext:@"remove"];
4910         } else {
4911             essential_ = [[[UIAlertView alloc]
4912                 initWithTitle:UCLocalize("UNABLE_TO_COMPLY")
4913                 message:UCLocalize("UNABLE_TO_COMPLY_EX")
4914                 delegate:self
4915                 cancelButtonTitle:UCLocalize("OKAY")
4916                 otherButtonTitles:nil
4917             ] autorelease];
4918
4919             [essential_ setContext:@"unable"];
4920         }
4921
4922         changes_ = [NSDictionary dictionaryWithObjectsAndKeys:
4923             installs, @"installs",
4924             reinstalls, @"reinstalls",
4925             upgrades, @"upgrades",
4926             downgrades, @"downgrades",
4927             removes, @"removes",
4928         nil];
4929
4930         sizes_ = [NSDictionary dictionaryWithObjectsAndKeys:
4931             [NSNumber numberWithInteger:[database_ fetcher].FetchNeeded()], @"downloading",
4932             [NSNumber numberWithInteger:[database_ fetcher].PartialPresent()], @"resuming",
4933         nil];
4934
4935         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/confirm/", UI_]]];
4936     } return self;
4937 }
4938
4939 - (UIBarButtonItem *) leftButton {
4940     return [[[UIBarButtonItem alloc]
4941         initWithTitle:UCLocalize("CANCEL")
4942         style:UIBarButtonItemStylePlain
4943         target:self
4944         action:@selector(cancelButtonClicked)
4945     ] autorelease];
4946 }
4947
4948 #if !AlwaysReload
4949 - (void) applyRightButton {
4950     if ([issues_ count] == 0 && ![self isLoading])
4951         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
4952             initWithTitle:UCLocalize("CONFIRM")
4953             style:UIBarButtonItemStyleDone
4954             target:self
4955             action:@selector(confirmButtonClicked)
4956         ] autorelease]];
4957     else
4958         [[self navigationItem] setRightBarButtonItem:nil];
4959 }
4960 #endif
4961
4962 - (void) cancelButtonClicked {
4963     [self dismissModalViewControllerAnimated:YES];
4964     [delegate_ cancelAndClear:YES];
4965 }
4966
4967 #if !AlwaysReload
4968 - (void) confirmButtonClicked {
4969     if (essential_ != nil)
4970         [essential_ show];
4971     else
4972         [self complete];
4973 }
4974 #endif
4975
4976 @end
4977 /* }}} */
4978
4979 /* Progress Data {{{ */
4980 @interface CydiaProgressData : NSObject {
4981     _transient id delegate_;
4982
4983     bool running_;
4984     float percent_;
4985
4986     float current_;
4987     float total_;
4988     float speed_;
4989
4990     _H<NSMutableArray> events_;
4991     _H<NSString> title_;
4992
4993     _H<NSString> status_;
4994     _H<NSString> finish_;
4995 }
4996
4997 @end
4998
4999 @implementation CydiaProgressData
5000
5001 + (NSArray *) _attributeKeys {
5002     return [NSArray arrayWithObjects:
5003         @"current",
5004         @"events",
5005         @"finish",
5006         @"percent",
5007         @"running",
5008         @"speed",
5009         @"title",
5010         @"total",
5011     nil];
5012 }
5013
5014 - (NSArray *) attributeKeys {
5015     return [[self class] _attributeKeys];
5016 }
5017
5018 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
5019     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
5020 }
5021
5022 - (id) init {
5023     if ((self = [super init]) != nil) {
5024         events_ = [NSMutableArray arrayWithCapacity:32];
5025     } return self;
5026 }
5027
5028 - (void) setDelegate:(id)delegate {
5029     delegate_ = delegate;
5030 }
5031
5032 - (void) setPercent:(float)value {
5033     percent_ = value;
5034 }
5035
5036 - (NSNumber *) percent {
5037     return [NSNumber numberWithFloat:percent_];
5038 }
5039
5040 - (void) setCurrent:(float)value {
5041     current_ = value;
5042 }
5043
5044 - (NSNumber *) current {
5045     return [NSNumber numberWithFloat:current_];
5046 }
5047
5048 - (void) setTotal:(float)value {
5049     total_ = value;
5050 }
5051
5052 - (NSNumber *) total {
5053     return [NSNumber numberWithFloat:total_];
5054 }
5055
5056 - (void) setSpeed:(float)value {
5057     speed_ = value;
5058 }
5059
5060 - (NSNumber *) speed {
5061     return [NSNumber numberWithFloat:speed_];
5062 }
5063
5064 - (NSArray *) events {
5065     return events_;
5066 }
5067
5068 - (void) removeAllEvents {
5069     [events_ removeAllObjects];
5070 }
5071
5072 - (void) addEvent:(CydiaProgressEvent *)event {
5073     [events_ addObject:event];
5074 }
5075
5076 - (void) setTitle:(NSString *)text {
5077     title_ = text;
5078 }
5079
5080 - (NSString *) title {
5081     return title_;
5082 }
5083
5084 - (void) setFinish:(NSString *)text {
5085     finish_ = text;
5086 }
5087
5088 - (NSString *) finish {
5089     return (id) finish_ ?: [NSNull null];
5090 }
5091
5092 - (void) setRunning:(bool)running {
5093     running_ = running;
5094 }
5095
5096 - (NSNumber *) running {
5097     return running_ ? (NSNumber *) kCFBooleanTrue : (NSNumber *) kCFBooleanFalse;
5098 }
5099
5100 @end
5101 /* }}} */
5102 /* Progress Controller {{{ */
5103 @interface ProgressController : CydiaWebViewController <
5104     ProgressDelegate
5105 > {
5106     _transient Database *database_;
5107     _H<CydiaProgressData, 1> progress_;
5108     unsigned cancel_;
5109 }
5110
5111 - (id) initWithDatabase:(Database *)database delegate:(id)delegate;
5112
5113 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title;
5114
5115 - (void) setTitle:(NSString *)title;
5116 - (void) setCancellable:(bool)cancellable;
5117
5118 @end
5119
5120 @implementation ProgressController
5121
5122 - (void) dealloc {
5123     [database_ setProgressDelegate:nil];
5124     [super dealloc];
5125 }
5126
5127 - (UIBarButtonItem *) leftButton {
5128     return cancel_ == 1 ? [[[UIBarButtonItem alloc]
5129         initWithTitle:UCLocalize("CANCEL")
5130         style:UIBarButtonItemStylePlain
5131         target:self
5132         action:@selector(cancel)
5133     ] autorelease] : nil;
5134 }
5135
5136 - (void) updateCancel {
5137     [super applyLeftButton];
5138 }
5139
5140 - (id) initWithDatabase:(Database *)database delegate:(id)delegate {
5141     if ((self = [super init]) != nil) {
5142         database_ = database;
5143         delegate_ = delegate;
5144
5145         [database_ setProgressDelegate:self];
5146
5147         progress_ = [[[CydiaProgressData alloc] init] autorelease];
5148         [progress_ setDelegate:self];
5149
5150         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/progress/", UI_]]];
5151
5152         [scroller_ setBackgroundColor:[UIColor blackColor]];
5153
5154         [[self navigationItem] setHidesBackButton:YES];
5155
5156         [self updateCancel];
5157     } return self;
5158 }
5159
5160 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
5161     [super webView:view didClearWindowObject:window forFrame:frame];
5162     [window setValue:progress_ forKey:@"cydiaProgress"];
5163 }
5164
5165 - (void) updateProgress {
5166     [self dispatchEvent:@"CydiaProgressUpdate"];
5167 }
5168
5169 - (void) viewWillAppear:(BOOL)animated {
5170     [[[self navigationController] navigationBar] setBarStyle:UIBarStyleBlack];
5171     [super viewWillAppear:animated];
5172 }
5173
5174 - (void) close {
5175     UpdateExternalStatus(0);
5176
5177     if (Finish_ > 1)
5178         [delegate_ saveState];
5179
5180     switch (Finish_) {
5181         case 0:
5182             [delegate_ returnToCydia];
5183         break;
5184
5185         case 1:
5186             [delegate_ terminateWithSuccess];
5187             /*if ([delegate_ respondsToSelector:@selector(suspendWithAnimation:)])
5188                 [delegate_ suspendWithAnimation:YES];
5189             else
5190                 [delegate_ suspend];*/
5191         break;
5192
5193         case 2:
5194             _trace();
5195             goto reload;
5196
5197         case 3:
5198             _trace();
5199             goto reload;
5200
5201         reload:
5202             system("/usr/bin/sbreload");
5203             _trace();
5204         break;
5205
5206         case 4:
5207             _trace();
5208             if (void (*SBReboot)(mach_port_t) = reinterpret_cast<void (*)(mach_port_t)>(dlsym(RTLD_DEFAULT, "SBReboot")))
5209                 SBReboot(SBSSpringBoardServerPort());
5210             else
5211                 reboot2(RB_AUTOBOOT);
5212         break;
5213     }
5214
5215     [super close];
5216 }
5217
5218 - (void) setTitle:(NSString *)title {
5219     [progress_ setTitle:title];
5220     [self updateProgress];
5221 }
5222
5223 - (UIBarButtonItem *) rightButton {
5224     return [[progress_ running] boolValue] ? [super rightButton] : [[[UIBarButtonItem alloc]
5225         initWithTitle:UCLocalize("CLOSE")
5226         style:UIBarButtonItemStylePlain
5227         target:self
5228         action:@selector(close)
5229     ] autorelease];
5230 }
5231
5232 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title {
5233     UpdateExternalStatus(1);
5234
5235     [progress_ setRunning:true];
5236     [self setTitle:title];
5237     // implicit updateProgress
5238
5239     SHA1SumValue notifyconf; {
5240         FileFd file;
5241         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
5242             _error->Discard();
5243         else {
5244             MMap mmap(file, MMap::ReadOnly);
5245             SHA1Summation sha1;
5246             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5247             notifyconf = sha1.Result();
5248         }
5249     }
5250
5251     SHA1SumValue springlist; {
5252         FileFd file;
5253         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
5254             _error->Discard();
5255         else {
5256             MMap mmap(file, MMap::ReadOnly);
5257             SHA1Summation sha1;
5258             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5259             springlist = sha1.Result();
5260         }
5261     }
5262
5263     if (invocation != nil) {
5264         [invocation yieldToSelector:@selector(invoke)];
5265         [self setTitle:@"COMPLETE"];
5266     }
5267
5268     if (Finish_ < 4) {
5269         FileFd file;
5270         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
5271             _error->Discard();
5272         else {
5273             MMap mmap(file, MMap::ReadOnly);
5274             SHA1Summation sha1;
5275             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5276             if (!(notifyconf == sha1.Result()))
5277                 Finish_ = 4;
5278         }
5279     }
5280
5281     if (Finish_ < 3) {
5282         FileFd file;
5283         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
5284             _error->Discard();
5285         else {
5286             MMap mmap(file, MMap::ReadOnly);
5287             SHA1Summation sha1;
5288             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5289             if (!(springlist == sha1.Result()))
5290                 Finish_ = 3;
5291         }
5292     }
5293
5294     if (Finish_ < 2) {
5295         if (RestartSubstrate_)
5296             Finish_ = 2;
5297     }
5298
5299     RestartSubstrate_ = false;
5300
5301     switch (Finish_) {
5302         case 0: [progress_ setFinish:UCLocalize("RETURN_TO_CYDIA")]; break; /* XXX: Maybe UCLocalize("DONE")? */
5303         case 1: [progress_ setFinish:UCLocalize("CLOSE_CYDIA")]; break;
5304         case 2: [progress_ setFinish:UCLocalize("RESTART_SPRINGBOARD")]; break;
5305         case 3: [progress_ setFinish:UCLocalize("RELOAD_SPRINGBOARD")]; break;
5306         case 4: [progress_ setFinish:UCLocalize("REBOOT_DEVICE")]; break;
5307     }
5308
5309     _trace();
5310     system("su -c /usr/bin/uicache mobile");
5311     _trace();
5312
5313     UpdateExternalStatus(Finish_ == 0 ? 0 : 2);
5314
5315     [progress_ setRunning:false];
5316     [self updateProgress];
5317
5318     [self applyRightButton];
5319 }
5320
5321 - (void) addProgressEvent:(CydiaProgressEvent *)event {
5322     [progress_ addEvent:event];
5323     [self updateProgress];
5324 }
5325
5326 - (bool) isProgressCancelled {
5327     return cancel_ == 2;
5328 }
5329
5330 - (void) cancel {
5331     cancel_ = 2;
5332     [self updateCancel];
5333 }
5334
5335 - (void) setCancellable:(bool)cancellable {
5336     unsigned cancel(cancel_);
5337
5338     if (!cancellable)
5339         cancel_ = 0;
5340     else if (cancel_ == 0)
5341         cancel_ = 1;
5342
5343     if (cancel != cancel_)
5344         [self updateCancel];
5345 }
5346
5347 - (void) setProgressCancellable:(NSNumber *)cancellable {
5348     [self setCancellable:[cancellable boolValue]];
5349 }
5350
5351 - (void) setProgressPercent:(NSNumber *)percent {
5352     [progress_ setPercent:[percent floatValue]];
5353     [self updateProgress];
5354 }
5355
5356 - (void) setProgressStatus:(NSDictionary *)status {
5357     if (status == nil) {
5358         [progress_ setCurrent:0];
5359         [progress_ setTotal:0];
5360         [progress_ setSpeed:0];
5361     } else {
5362         [progress_ setPercent:[[status objectForKey:@"Percent"] floatValue]];
5363
5364         [progress_ setCurrent:[[status objectForKey:@"Current"] floatValue]];
5365         [progress_ setTotal:[[status objectForKey:@"Total"] floatValue]];
5366         [progress_ setSpeed:[[status objectForKey:@"Speed"] floatValue]];
5367     }
5368
5369     [self updateProgress];
5370 }
5371
5372 @end
5373 /* }}} */
5374
5375 /* Package Cell {{{ */
5376 @interface PackageCell : CyteTableViewCell <
5377     CyteTableViewCellDelegate
5378 > {
5379     _H<UIImage> icon_;
5380     _H<NSString> name_;
5381     _H<NSString> description_;
5382     bool commercial_;
5383     _H<NSString> source_;
5384     _H<UIImage> badge_;
5385     _H<UIImage> placard_;
5386     bool summarized_;
5387 }
5388
5389 - (PackageCell *) init;
5390 - (void) setPackage:(Package *)package asSummary:(bool)summary;
5391
5392 - (void) drawContentRect:(CGRect)rect;
5393
5394 @end
5395
5396 @implementation PackageCell
5397
5398 - (PackageCell *) init {
5399     CGRect frame(CGRectMake(0, 0, 320, 74));
5400     if ((self = [super initWithFrame:frame reuseIdentifier:@"Package"]) != nil) {
5401         UIView *content([self contentView]);
5402         CGRect bounds([content bounds]);
5403
5404         content_ = [[[CyteTableViewCellContentView alloc] initWithFrame:bounds] autorelease];
5405         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5406         [content addSubview:content_];
5407
5408         [content_ setDelegate:self];
5409         [content_ setOpaque:YES];
5410     } return self;
5411 }
5412
5413 - (NSString *) accessibilityLabel {
5414     return [NSString stringWithFormat:UCLocalize("COLON_DELIMITED"), (id) name_, (id) description_];
5415 }
5416
5417 - (void) setPackage:(Package *)package asSummary:(bool)summary {
5418     summarized_ = summary;
5419
5420     icon_ = nil;
5421     name_ = nil;
5422     description_ = nil;
5423     source_ = nil;
5424     badge_ = nil;
5425     placard_ = nil;
5426
5427     if (package == nil)
5428         [content_ setBackgroundColor:[UIColor whiteColor]];
5429     else {
5430         [package parse];
5431
5432         Source *source = [package source];
5433
5434         icon_ = [package icon];
5435
5436         if (NSString *name = [package name])
5437             name_ = [NSString stringWithString:name];
5438
5439         NSString *description(nil);
5440
5441         if (description == nil && IsWildcat_)
5442             description = [package longDescription];
5443         if (description == nil)
5444             description = [package shortDescription];
5445
5446         if (description != nil)
5447             description_ = [NSString stringWithString:description];
5448
5449         commercial_ = [package isCommercial];
5450
5451         NSString *label = nil;
5452         bool trusted = false;
5453
5454         if (source != nil) {
5455             label = [source label];
5456             trusted = [source trusted];
5457         } else if ([[package id] isEqualToString:@"firmware"])
5458             label = UCLocalize("APPLE");
5459         else
5460             label = [NSString stringWithFormat:UCLocalize("SLASH_DELIMITED"), UCLocalize("UNKNOWN"), UCLocalize("LOCAL")];
5461
5462         NSString *from(label);
5463
5464         NSString *section = [package simpleSection];
5465         if (section != nil && ![section isEqualToString:label]) {
5466             section = [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
5467             from = [NSString stringWithFormat:UCLocalize("PARENTHETICAL"), from, section];
5468         }
5469
5470         source_ = [NSString stringWithFormat:UCLocalize("FROM"), from];
5471
5472         if (NSString *purpose = [package primaryPurpose])
5473             badge_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Purposes/%@.png", App_, purpose]];
5474
5475         UIColor *color;
5476         NSString *placard;
5477
5478         if (NSString *mode = [package mode]) {
5479             if ([mode isEqualToString:@"REMOVE"] || [mode isEqualToString:@"PURGE"]) {
5480                 color = RemovingColor_;
5481                 //placard = @"removing";
5482             } else {
5483                 color = InstallingColor_;
5484                 //placard = @"installing";
5485             }
5486
5487             // XXX: the removing/installing placards are not @2x
5488             placard = nil;
5489         } else {
5490             color = [UIColor whiteColor];
5491
5492             if ([package installed] != nil)
5493                 placard = @"installed";
5494             else
5495                 placard = nil;
5496         }
5497
5498         [content_ setBackgroundColor:color];
5499
5500         if (placard != nil)
5501             placard_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/%@.png", App_, placard]];
5502     }
5503
5504     [self setNeedsDisplay];
5505     [content_ setNeedsDisplay];
5506 }
5507
5508 - (void) drawSummaryContentRect:(CGRect)rect {
5509     bool highlighted(highlighted_);
5510     float width([self bounds].size.width);
5511
5512     if (icon_ != nil) {
5513         CGRect rect;
5514         rect.size = [(UIImage *) icon_ size];
5515
5516         rect.size.width /= 4;
5517         rect.size.height /= 4;
5518
5519         rect.origin.x = 14 - rect.size.width / 4;
5520         rect.origin.y = 14 - rect.size.height / 4;
5521
5522         [icon_ drawInRect:rect];
5523     }
5524
5525     if (badge_ != nil) {
5526         CGRect rect;
5527         rect.size = [(UIImage *) badge_ size];
5528
5529         rect.size.width /= 4;
5530         rect.size.height /= 4;
5531
5532         rect.origin.x = 20 - rect.size.width / 4;
5533         rect.origin.y = 20 - rect.size.height / 4;
5534
5535         [badge_ drawInRect:rect];
5536     }
5537
5538     if (highlighted)
5539         UISetColor(White_);
5540
5541     if (!highlighted)
5542         UISetColor(commercial_ ? Purple_ : Black_);
5543     [name_ drawAtPoint:CGPointMake(36, 8) forWidth:(width - (placard_ == nil ? 68 : 94)) withFont:Font18Bold_ lineBreakMode:UILineBreakModeTailTruncation];
5544
5545     if (placard_ != nil)
5546         [placard_ drawAtPoint:CGPointMake(width - 52, 9)];
5547 }
5548
5549 - (void) drawNormalContentRect:(CGRect)rect {
5550     bool highlighted(highlighted_);
5551     float width([self bounds].size.width);
5552
5553     if (icon_ != nil) {
5554         CGRect rect;
5555         rect.size = [(UIImage *) icon_ size];
5556
5557         rect.size.width /= 2;
5558         rect.size.height /= 2;
5559
5560         rect.origin.x = 25 - rect.size.width / 2;
5561         rect.origin.y = 25 - rect.size.height / 2;
5562
5563         [icon_ drawInRect:rect];
5564     }
5565
5566     if (badge_ != nil) {
5567         CGRect rect;
5568         rect.size = [(UIImage *) badge_ size];
5569
5570         rect.size.width /= 2;
5571         rect.size.height /= 2;
5572
5573         rect.origin.x = 36 - rect.size.width / 2;
5574         rect.origin.y = 36 - rect.size.height / 2;
5575
5576         [badge_ drawInRect:rect];
5577     }
5578
5579     if (highlighted)
5580         UISetColor(White_);
5581
5582     if (!highlighted)
5583         UISetColor(commercial_ ? Purple_ : Black_);
5584     [name_ drawAtPoint:CGPointMake(48, 8) forWidth:(width - (placard_ == nil ? 80 : 106)) withFont:Font18Bold_ lineBreakMode:UILineBreakModeTailTruncation];
5585     [source_ drawAtPoint:CGPointMake(58, 29) forWidth:(width - 95) withFont:Font12_ lineBreakMode:UILineBreakModeTailTruncation];
5586
5587     if (!highlighted)
5588         UISetColor(commercial_ ? Purplish_ : Gray_);
5589     [description_ drawAtPoint:CGPointMake(12, 46) forWidth:(width - 46) withFont:Font14_ lineBreakMode:UILineBreakModeTailTruncation];
5590
5591     if (placard_ != nil)
5592         [placard_ drawAtPoint:CGPointMake(width - 52, 9)];
5593 }
5594
5595 - (void) drawContentRect:(CGRect)rect {
5596     if (summarized_)
5597         [self drawSummaryContentRect:rect];
5598     else
5599         [self drawNormalContentRect:rect];
5600 }
5601
5602 @end
5603 /* }}} */
5604 /* Section Cell {{{ */
5605 @interface SectionCell : CyteTableViewCell <
5606     CyteTableViewCellDelegate
5607 > {
5608     _H<NSString> basic_;
5609     _H<NSString> section_;
5610     _H<NSString> name_;
5611     _H<NSString> count_;
5612     _H<UIImage> icon_;
5613     _H<UISwitch> switch_;
5614     BOOL editing_;
5615 }
5616
5617 - (void) setSection:(Section *)section editing:(BOOL)editing;
5618
5619 @end
5620
5621 @implementation SectionCell
5622
5623 - (id) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
5624     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
5625         icon_ = [UIImage applicationImageNamed:@"folder.png"];
5626         switch_ = [[[UISwitch alloc] initWithFrame:CGRectMake(218, 9, 60, 25)] autorelease];
5627         [switch_ addTarget:self action:@selector(onSwitch:) forEvents:UIControlEventValueChanged];
5628
5629         UIView *content([self contentView]);
5630         CGRect bounds([content bounds]);
5631
5632         content_ = [[[CyteTableViewCellContentView alloc] initWithFrame:bounds] autorelease];
5633         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5634         [content addSubview:content_];
5635         [content_ setBackgroundColor:[UIColor whiteColor]];
5636
5637         [content_ setDelegate:self];
5638     } return self;
5639 }
5640
5641 - (void) onSwitch:(id)sender {
5642     NSMutableDictionary *metadata([Sections_ objectForKey:basic_]);
5643     if (metadata == nil) {
5644         metadata = [NSMutableDictionary dictionaryWithCapacity:2];
5645         [Sections_ setObject:metadata forKey:basic_];
5646     }
5647
5648     [metadata setObject:[NSNumber numberWithBool:([switch_ isOn] == NO)] forKey:@"Hidden"];
5649     Changed_ = true;
5650 }
5651
5652 - (void) setSection:(Section *)section editing:(BOOL)editing {
5653     if (editing != editing_) {
5654         if (editing_)
5655             [switch_ removeFromSuperview];
5656         else
5657             [self addSubview:switch_];
5658         editing_ = editing;
5659     }
5660
5661     basic_ = nil;
5662     section_ = nil;
5663     name_ = nil;
5664     count_ = nil;
5665
5666     if (section == nil) {
5667         name_ = UCLocalize("ALL_PACKAGES");
5668         count_ = nil;
5669     } else {
5670         basic_ = [section name];
5671         section_ = [section localized];
5672
5673         name_  = section_ == nil || [section_ length] == 0 ? UCLocalize("NO_SECTION") : (NSString *) section_;
5674         count_ = [NSString stringWithFormat:@"%d", [section count]];
5675
5676         if (editing_)
5677             [switch_ setOn:(isSectionVisible(basic_) ? 1 : 0) animated:NO];
5678     }
5679
5680     [self setAccessoryType:editing ? UITableViewCellAccessoryNone : UITableViewCellAccessoryDisclosureIndicator];
5681     [self setSelectionStyle:editing ? UITableViewCellSelectionStyleNone : UITableViewCellSelectionStyleBlue];
5682
5683     [content_ setNeedsDisplay];
5684 }
5685
5686 - (void) setFrame:(CGRect)frame {
5687     [super setFrame:frame];
5688
5689     CGRect rect([switch_ frame]);
5690     [switch_ setFrame:CGRectMake(frame.size.width - 102, 9, rect.size.width, rect.size.height)];
5691 }
5692
5693 - (NSString *) accessibilityLabel {
5694     return name_;
5695 }
5696
5697 - (void) drawContentRect:(CGRect)rect {
5698     bool highlighted(highlighted_ && !editing_);
5699
5700     [icon_ drawInRect:CGRectMake(8, 7, 32, 32)];
5701
5702     if (highlighted)
5703         UISetColor(White_);
5704
5705     float width(rect.size.width);
5706     if (editing_)
5707         width -= 87;
5708
5709     if (!highlighted)
5710         UISetColor(Black_);
5711     [name_ drawAtPoint:CGPointMake(48, 9) forWidth:(width - 70) withFont:Font22Bold_ lineBreakMode:UILineBreakModeTailTruncation];
5712
5713     CGSize size = [count_ sizeWithFont:Font14_];
5714
5715     UISetColor(White_);
5716     if (count_ != nil)
5717         [count_ drawAtPoint:CGPointMake(13 + (29 - size.width) / 2, 16) withFont:Font12Bold_];
5718 }
5719
5720 @end
5721 /* }}} */
5722
5723 /* File Table {{{ */
5724 @interface FileTable : CyteViewController <
5725     UITableViewDataSource,
5726     UITableViewDelegate
5727 > {
5728     _transient Database *database_;
5729     _H<Package> package_;
5730     _H<NSString> name_;
5731     _H<NSMutableArray> files_;
5732     _H<UITableView, 2> list_;
5733 }
5734
5735 - (id) initWithDatabase:(Database *)database;
5736 - (void) setPackage:(Package *)package;
5737
5738 @end
5739
5740 @implementation FileTable
5741
5742 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
5743     return files_ == nil ? 0 : [files_ count];
5744 }
5745
5746 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
5747     return 24.0f;
5748 }*/
5749
5750 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
5751     static NSString *reuseIdentifier = @"Cell";
5752
5753     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
5754     if (cell == nil) {
5755         cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
5756         [cell setFont:[UIFont systemFontOfSize:16]];
5757     }
5758     [cell setText:[files_ objectAtIndex:indexPath.row]];
5759     [cell setSelectionStyle:UITableViewCellSelectionStyleNone];
5760
5761     return cell;
5762 }
5763
5764 - (NSURL *) navigationURL {
5765     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/files", [package_ id]]];
5766 }
5767
5768 - (void) loadView {
5769     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
5770
5771     list_ = [[[UITableView alloc] initWithFrame:[[self view] bounds]] autorelease];
5772     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5773     [list_ setRowHeight:24.0f];
5774     [(UITableView *) list_ setDataSource:self];
5775     [list_ setDelegate:self];
5776     [[self view] addSubview:list_];
5777 }
5778
5779 - (void) viewDidLoad {
5780     [super viewDidLoad];
5781
5782     [[self navigationItem] setTitle:UCLocalize("INSTALLED_FILES")];
5783 }
5784
5785 - (void) releaseSubviews {
5786     list_ = nil;
5787
5788     package_ = nil;
5789     files_ = nil;
5790
5791     [super releaseSubviews];
5792 }
5793
5794 - (id) initWithDatabase:(Database *)database {
5795     if ((self = [super init]) != nil) {
5796         database_ = database;
5797     } return self;
5798 }
5799
5800 - (void) setPackage:(Package *)package {
5801     package_ = nil;
5802     name_ = nil;
5803
5804     files_ = [NSMutableArray arrayWithCapacity:32];
5805
5806     if (package != nil) {
5807         package_ = package;
5808         name_ = [package id];
5809
5810         if (NSArray *files = [package files])
5811             [files_ addObjectsFromArray:files];
5812
5813         if ([files_ count] != 0) {
5814             if ([[files_ objectAtIndex:0] isEqualToString:@"/."])
5815                 [files_ removeObjectAtIndex:0];
5816             [files_ sortUsingSelector:@selector(compareByPath:)];
5817
5818             NSMutableArray *stack = [NSMutableArray arrayWithCapacity:8];
5819             [stack addObject:@"/"];
5820
5821             for (int i(0), e([files_ count]); i != e; ++i) {
5822                 NSString *file = [files_ objectAtIndex:i];
5823                 while (![file hasPrefix:[stack lastObject]])
5824                     [stack removeLastObject];
5825                 NSString *directory = [stack lastObject];
5826                 [stack addObject:[file stringByAppendingString:@"/"]];
5827                 [files_ replaceObjectAtIndex:i withObject:[NSString stringWithFormat:@"%*s%@",
5828                     ([stack count] - 2) * 3, "",
5829                     [file substringFromIndex:[directory length]]
5830                 ]];
5831             }
5832         }
5833     }
5834
5835     [list_ reloadData];
5836 }
5837
5838 - (void) reloadData {
5839     [super reloadData];
5840
5841     [self setPackage:[database_ packageWithName:name_]];
5842 }
5843
5844 @end
5845 /* }}} */
5846 /* Package Controller {{{ */
5847 @interface CYPackageController : CydiaWebViewController <
5848     UIActionSheetDelegate
5849 > {
5850     _transient Database *database_;
5851     _H<Package> package_;
5852     _H<NSString> name_;
5853     bool commercial_;
5854     _H<NSMutableArray> buttons_;
5855     _H<UIBarButtonItem> button_;
5856 }
5857
5858 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name;
5859
5860 @end
5861
5862 @implementation CYPackageController
5863
5864 - (NSURL *) navigationURL {
5865     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@", (id) name_]];
5866 }
5867
5868 /* XXX: this is not safe at all... localization of /fail/ */
5869 - (void) _clickButtonWithName:(NSString *)name {
5870     if ([name isEqualToString:UCLocalize("CLEAR")])
5871         [delegate_ clearPackage:package_];
5872     else if ([name isEqualToString:UCLocalize("INSTALL")])
5873         [delegate_ installPackage:package_];
5874     else if ([name isEqualToString:UCLocalize("REINSTALL")])
5875         [delegate_ installPackage:package_];
5876     else if ([name isEqualToString:UCLocalize("REMOVE")])
5877         [delegate_ removePackage:package_];
5878     else if ([name isEqualToString:UCLocalize("UPGRADE")])
5879         [delegate_ installPackage:package_];
5880     else _assert(false);
5881 }
5882
5883 - (void) actionSheet:(UIActionSheet *)sheet clickedButtonAtIndex:(NSInteger)button {
5884     NSString *context([sheet context]);
5885
5886     if ([context isEqualToString:@"modify"]) {
5887         if (button != [sheet cancelButtonIndex]) {
5888             NSString *buttonName = [buttons_ objectAtIndex:button];
5889             [self _clickButtonWithName:buttonName];
5890         }
5891
5892         [sheet dismissWithClickedButtonIndex:-1 animated:YES];
5893     }
5894 }
5895
5896 - (bool) _allowJavaScriptPanel {
5897     return commercial_;
5898 }
5899
5900 #if !AlwaysReload
5901 - (void) _customButtonClicked {
5902     int count([buttons_ count]);
5903     if (count == 0)
5904         return;
5905
5906     if (count == 1)
5907         [self _clickButtonWithName:[buttons_ objectAtIndex:0]];
5908     else {
5909         NSMutableArray *buttons = [NSMutableArray arrayWithCapacity:count];
5910         [buttons addObjectsFromArray:buttons_];
5911
5912         UIActionSheet *sheet = [[[UIActionSheet alloc]
5913             initWithTitle:nil
5914             delegate:self
5915             cancelButtonTitle:nil
5916             destructiveButtonTitle:nil
5917             otherButtonTitles:nil
5918         ] autorelease];
5919
5920         for (NSString *button in buttons) [sheet addButtonWithTitle:button];
5921         if (!IsWildcat_) {
5922            [sheet addButtonWithTitle:UCLocalize("CANCEL")];
5923            [sheet setCancelButtonIndex:[sheet numberOfButtons] - 1];
5924         }
5925         [sheet setContext:@"modify"];
5926
5927         [delegate_ showActionSheet:sheet fromItem:[[self navigationItem] rightBarButtonItem]];
5928     }
5929 }
5930
5931 // We don't want to allow non-commercial packages to do custom things to the install button,
5932 // so it must call customButtonClicked with a custom commercial_ == 1 fallthrough.
5933 - (void) customButtonClicked {
5934     if (commercial_)
5935         [super customButtonClicked];
5936     else
5937         [self _customButtonClicked];
5938 }
5939
5940 - (void) reloadButtonClicked {
5941     // Don't reload a commerical package by tapping the loading button,
5942     // but if it's not an Install button, we should forward it on.
5943     if (![package_ uninstalled])
5944         [self _customButtonClicked];
5945 }
5946
5947 - (void) applyLoadingTitle {
5948     // Don't show "Loading" as the title. Ever.
5949 }
5950
5951 - (UIBarButtonItem *) rightButton {
5952     return button_;
5953 }
5954 #endif
5955
5956 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name {
5957     if ((self = [super init]) != nil) {
5958         database_ = database;
5959         buttons_ = [NSMutableArray arrayWithCapacity:4];
5960         name_ = name == nil ? @"" : [NSString stringWithString:name];
5961         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/package/%@", UI_, (id) name_]]];
5962     } return self;
5963 }
5964
5965 - (void) reloadData {
5966     [super reloadData];
5967
5968     package_ = [database_ packageWithName:name_];
5969
5970     [buttons_ removeAllObjects];
5971
5972     if (package_ != nil) {
5973         [(Package *) package_ parse];
5974
5975         commercial_ = [package_ isCommercial];
5976
5977         if ([package_ mode] != nil)
5978             [buttons_ addObject:UCLocalize("CLEAR")];
5979         if ([package_ source] == nil);
5980         else if ([package_ upgradableAndEssential:NO])
5981             [buttons_ addObject:UCLocalize("UPGRADE")];
5982         else if ([package_ uninstalled])
5983             [buttons_ addObject:UCLocalize("INSTALL")];
5984         else
5985             [buttons_ addObject:UCLocalize("REINSTALL")];
5986         if (![package_ uninstalled])
5987             [buttons_ addObject:UCLocalize("REMOVE")];
5988     }
5989
5990     NSString *title;
5991     switch ([buttons_ count]) {
5992         case 0: title = nil; break;
5993         case 1: title = [buttons_ objectAtIndex:0]; break;
5994         default: title = UCLocalize("MODIFY"); break;
5995     }
5996
5997     button_ = [[[UIBarButtonItem alloc]
5998         initWithTitle:title
5999         style:UIBarButtonItemStylePlain
6000         target:self
6001         action:@selector(customButtonClicked)
6002     ] autorelease];
6003 }
6004
6005 - (bool) isLoading {
6006     return commercial_ ? [super isLoading] : false;
6007 }
6008
6009 @end
6010 /* }}} */
6011
6012 /* Package List Controller {{{ */
6013 @interface PackageListController : CyteViewController <
6014     UITableViewDataSource,
6015     UITableViewDelegate
6016 > {
6017     _transient Database *database_;
6018     unsigned era_;
6019     _H<NSArray> packages_;
6020     _H<NSMutableArray> sections_;
6021     _H<UITableView, 2> list_;
6022     _H<NSMutableArray> index_;
6023     _H<NSMutableDictionary> indices_;
6024     _H<NSString> title_;
6025     unsigned reloading_;
6026 }
6027
6028 - (id) initWithDatabase:(Database *)database title:(NSString *)title;
6029 - (void) setDelegate:(id)delegate;
6030 - (void) resetCursor;
6031 - (void) clearData;
6032
6033 @end
6034
6035 @implementation PackageListController
6036
6037 - (bool) isSummarized {
6038     return false;
6039 }
6040
6041 - (bool) showsSections {
6042     return true;
6043 }
6044
6045 - (void) deselectWithAnimation:(BOOL)animated {
6046     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
6047 }
6048
6049 - (void) resizeForKeyboardBounds:(CGRect)bounds duration:(NSTimeInterval)duration curve:(UIViewAnimationCurve)curve {
6050     CGRect base = [[self view] bounds];
6051     base.size.height -= bounds.size.height;
6052     base.origin = [list_ frame].origin;
6053
6054     [UIView beginAnimations:nil context:NULL];
6055     [UIView setAnimationBeginsFromCurrentState:YES];
6056     [UIView setAnimationCurve:curve];
6057     [UIView setAnimationDuration:duration];
6058     [list_ setFrame:base];
6059     [UIView commitAnimations];
6060 }
6061
6062 - (void) resizeForKeyboardBounds:(CGRect)bounds duration:(NSTimeInterval)duration {
6063     [self resizeForKeyboardBounds:bounds duration:duration curve:UIViewAnimationCurveLinear];
6064 }
6065
6066 - (void) resizeForKeyboardBounds:(CGRect)bounds {
6067     [self resizeForKeyboardBounds:bounds duration:0];
6068 }
6069
6070 - (void) getKeyboardCurve:(UIViewAnimationCurve *)curve duration:(NSTimeInterval *)duration forNotification:(NSNotification *)notification {
6071     if (&UIKeyboardAnimationCurveUserInfoKey == NULL)
6072         *curve = UIViewAnimationCurveEaseInOut;
6073     else
6074         [[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] getValue:curve];
6075
6076     if (&UIKeyboardAnimationDurationUserInfoKey == NULL)
6077         *duration = 0.3;
6078     else
6079         [[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] getValue:duration];
6080 }
6081
6082 - (void) keyboardWillShow:(NSNotification *)notification {
6083     CGRect bounds;
6084     CGPoint center;
6085     [[[notification userInfo] objectForKey:UIKeyboardBoundsUserInfoKey] getValue:&bounds];
6086     [[[notification userInfo] objectForKey:UIKeyboardCenterEndUserInfoKey] getValue:&center];
6087
6088     NSTimeInterval duration;
6089     UIViewAnimationCurve curve;
6090     [self getKeyboardCurve:&curve duration:&duration forNotification:notification];
6091
6092     CGRect kbframe = CGRectMake(round(center.x - bounds.size.width / 2.0), round(center.y - bounds.size.height / 2.0), bounds.size.width, bounds.size.height);
6093     UIViewController *base = self;
6094     while ([base parentViewController] != nil)
6095         base = [base parentViewController];
6096     CGRect viewframe = [[base view] convertRect:[list_ frame] fromView:[list_ superview]];
6097     CGRect intersection = CGRectIntersection(viewframe, kbframe);
6098
6099     if (kCFCoreFoundationVersionNumber < kCFCoreFoundationVersionNumber_iPhoneOS_3_0) // XXX: _UIApplicationLinkedOnOrAfter(4)
6100         intersection.size.height += CYStatusBarHeight();
6101
6102     [self resizeForKeyboardBounds:intersection duration:duration curve:curve];
6103 }
6104
6105 - (void) keyboardWillHide:(NSNotification *)notification {
6106     NSTimeInterval duration;
6107     UIViewAnimationCurve curve;
6108     [self getKeyboardCurve:&curve duration:&duration forNotification:notification];
6109
6110     [self resizeForKeyboardBounds:CGRectZero duration:duration curve:curve];
6111 }
6112
6113 - (void) viewWillAppear:(BOOL)animated {
6114     [super viewWillAppear:animated];
6115
6116     [self resizeForKeyboardBounds:CGRectZero];
6117     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil];
6118     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil];
6119 }
6120
6121 - (void) viewWillDisappear:(BOOL)animated {
6122     [super viewWillDisappear:animated];
6123
6124     [self resizeForKeyboardBounds:CGRectZero];
6125     [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillShowNotification object:nil];
6126     [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillHideNotification object:nil];
6127 }
6128
6129 - (void) viewDidAppear:(BOOL)animated {
6130     [super viewDidAppear:animated];
6131     [self deselectWithAnimation:animated];
6132 }
6133
6134 - (void) didSelectPackage:(Package *)package {
6135     CYPackageController *view([[[CYPackageController alloc] initWithDatabase:database_ forPackage:[package id]] autorelease]);
6136     [view setDelegate:delegate_];
6137     [[self navigationController] pushViewController:view animated:YES];
6138 }
6139
6140 #if TryIndexedCollation
6141 + (BOOL) hasIndexedCollation {
6142     return NO; // XXX: objc_getClass("UILocalizedIndexedCollation") != nil;
6143 }
6144 #endif
6145
6146 - (NSInteger) numberOfSectionsInTableView:(UITableView *)list {
6147     NSInteger count([sections_ count]);
6148     return count == 0 ? 1 : count;
6149 }
6150
6151 - (NSString *) tableView:(UITableView *)list titleForHeaderInSection:(NSInteger)section {
6152     if ([sections_ count] == 0 || [[sections_ objectAtIndex:section] count] == 0)
6153         return nil;
6154     return [[sections_ objectAtIndex:section] name];
6155 }
6156
6157 - (NSInteger) tableView:(UITableView *)list numberOfRowsInSection:(NSInteger)section {
6158     if ([sections_ count] == 0)
6159         return 0;
6160     return [[sections_ objectAtIndex:section] count];
6161 }
6162
6163 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
6164 @synchronized (database_) {
6165     if ([database_ era] != era_)
6166         return nil;
6167
6168     Section *section([sections_ objectAtIndex:[path section]]);
6169     NSInteger row([path row]);
6170     Package *package([packages_ objectAtIndex:([section row] + row)]);
6171     return [[package retain] autorelease];
6172 } }
6173
6174 - (UITableViewCell *) tableView:(UITableView *)table cellForRowAtIndexPath:(NSIndexPath *)path {
6175     PackageCell *cell((PackageCell *) [table dequeueReusableCellWithIdentifier:@"Package"]);
6176     if (cell == nil)
6177         cell = [[[PackageCell alloc] init] autorelease];
6178
6179     Package *package([database_ packageWithName:[[self packageAtIndexPath:path] id]]);
6180     [cell setPackage:package asSummary:[self isSummarized]];
6181     return cell;
6182 }
6183
6184 - (void) tableView:(UITableView *)table didSelectRowAtIndexPath:(NSIndexPath *)path {
6185     Package *package([self packageAtIndexPath:path]);
6186     package = [database_ packageWithName:[package id]];
6187     [self didSelectPackage:package];
6188 }
6189
6190 - (NSArray *) sectionIndexTitlesForTableView:(UITableView *)tableView {
6191     if (![self showsSections])
6192         return nil;
6193
6194     return index_;
6195 }
6196
6197 - (NSInteger) tableView:(UITableView *)tableView sectionForSectionIndexTitle:(NSString *)title atIndex:(NSInteger)index {
6198 #if TryIndexedCollation
6199     if ([[self class] hasIndexedCollation]) {
6200         return [[objc_getClass("UILocalizedIndexedCollation") currentCollation] sectionForSectionIndexTitleAtIndex:index];
6201     }
6202 #endif
6203
6204     return index;
6205 }
6206
6207 - (void) updateHeight {
6208     [list_ setRowHeight:([self isSummarized] ? 38 : 73)];
6209 }
6210
6211 - (id) initWithDatabase:(Database *)database title:(NSString *)title {
6212     if ((self = [super init]) != nil) {
6213         database_ = database;
6214         title_ = [title copy];
6215         [[self navigationItem] setTitle:title_];
6216     } return self;
6217 }
6218
6219 - (void) loadView {
6220     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
6221
6222     list_ = [[[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain] autorelease];
6223     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6224     [[self view] addSubview:list_];
6225
6226     // XXX: is 20 the most optimal number here?
6227     [list_ setSectionIndexMinimumDisplayRowCount:20];
6228
6229     [(UITableView *) list_ setDataSource:self];
6230     [list_ setDelegate:self];
6231
6232     [self updateHeight];
6233 }
6234
6235 - (void) releaseSubviews {
6236     list_ = nil;
6237
6238     packages_ = nil;
6239     sections_ = nil;
6240     index_ = nil;
6241     indices_ = nil;
6242
6243     [super releaseSubviews];
6244 }
6245
6246 - (void) setDelegate:(id)delegate {
6247     delegate_ = delegate;
6248 }
6249
6250 - (bool) shouldYield {
6251     return false;
6252 }
6253
6254 - (bool) shouldBlock {
6255     return false;
6256 }
6257
6258 - (NSMutableArray *) _reloadPackages {
6259 @synchronized (database_) {
6260     era_ = [database_ era];
6261     NSArray *packages([database_ packages]);
6262
6263     return [NSMutableArray arrayWithArray:packages];
6264 } }
6265
6266 - (void) _reloadData {
6267     if (reloading_ != 0) {
6268         reloading_ = 2;
6269         return;
6270     }
6271
6272     NSArray *packages;
6273
6274     if ([self shouldYield]) {
6275         do {
6276             UIProgressHUD *hud;
6277
6278             if (![self shouldBlock])
6279                 hud = nil;
6280             else {
6281                 hud = [delegate_ addProgressHUD];
6282                 [hud setText:UCLocalize("LOADING")];
6283             }
6284
6285             reloading_ = 1;
6286             packages = [self yieldToSelector:@selector(_reloadPackages)];
6287
6288             if (hud != nil)
6289                 [delegate_ removeProgressHUD:hud];
6290         } while (reloading_ == 2);
6291
6292         reloading_ = 0;
6293     } else {
6294         packages = [self _reloadPackages];
6295     }
6296
6297     packages_ = packages;
6298
6299     indices_ = [NSMutableDictionary dictionaryWithCapacity:32];
6300     sections_ = [NSMutableArray arrayWithCapacity:16];
6301
6302     Section *section = nil;
6303
6304 #if TryIndexedCollation
6305     if ([[self class] hasIndexedCollation]) {
6306         index_ = [[objc_getClass("UILocalizedIndexedCollation") currentCollation] sectionIndexTitles];
6307
6308         id collation = [objc_getClass("UILocalizedIndexedCollation") currentCollation];
6309         NSArray *titles = [collation sectionIndexTitles];
6310         int secidx = -1;
6311
6312         _profile(PackageTable$reloadData$Section)
6313             for (size_t offset(0), end([packages_ count]); offset != end; ++offset) {
6314                 Package *package;
6315                 int index;
6316
6317                 _profile(PackageTable$reloadData$Section$Package)
6318                     package = [packages_ objectAtIndex:offset];
6319                     index = [collation sectionForObject:package collationStringSelector:@selector(name)];
6320                 _end
6321
6322                 while (secidx < index) {
6323                     secidx += 1;
6324
6325                     _profile(PackageTable$reloadData$Section$Allocate)
6326                         section = [[[Section alloc] initWithName:[titles objectAtIndex:secidx] row:offset localize:NO] autorelease];
6327                     _end
6328
6329                     _profile(PackageTable$reloadData$Section$Add)
6330                         [sections_ addObject:section];
6331                     _end
6332                 }
6333
6334                 [section addToCount];
6335             }
6336         _end
6337     } else
6338 #endif
6339     {
6340         index_ = [NSMutableArray arrayWithCapacity:32];
6341
6342         bool sectioned([self showsSections]);
6343         if (!sectioned) {
6344             section = [[[Section alloc] initWithName:nil localize:false] autorelease];
6345             [sections_ addObject:section];
6346         }
6347
6348         _profile(PackageTable$reloadData$Section)
6349             for (size_t offset(0), end([packages_ count]); offset != end; ++offset) {
6350                 Package *package;
6351                 unichar index;
6352
6353                 _profile(PackageTable$reloadData$Section$Package)
6354                     package = [packages_ objectAtIndex:offset];
6355                     index = [package index];
6356                 _end
6357
6358                 if (sectioned && (section == nil || [section index] != index)) {
6359                     _profile(PackageTable$reloadData$Section$Allocate)
6360                         section = [[[Section alloc] initWithIndex:index row:offset] autorelease];
6361                     _end
6362
6363                     [index_ addObject:[section name]];
6364                     //[indices_ setObject:[NSNumber numberForInt:[sections_ count]] forKey:index];
6365
6366                     _profile(PackageTable$reloadData$Section$Add)
6367                         [sections_ addObject:section];
6368                     _end
6369                 }
6370
6371                 [section addToCount];
6372             }
6373         _end
6374     }
6375
6376     [self updateHeight];
6377
6378     _profile(PackageTable$reloadData$List)
6379         [(UITableView *) list_ setDataSource:self];
6380         [list_ reloadData];
6381     _end
6382 }
6383
6384 - (void) reloadData {
6385     [super reloadData];
6386
6387     if ([self shouldYield])
6388         [self performSelector:@selector(_reloadData) withObject:nil afterDelay:0];
6389     else
6390         [self _reloadData];
6391 }
6392
6393 - (void) resetCursor {
6394     [list_ scrollRectToVisible:CGRectMake(0, 0, 1, 1) animated:NO];
6395 }
6396
6397 - (void) clearData {
6398     [self updateHeight];
6399
6400     [list_ setDataSource:nil];
6401     [list_ reloadData];
6402
6403     [self resetCursor];
6404 }
6405
6406 @end
6407 /* }}} */
6408 /* Filtered Package List Controller {{{ */
6409 @interface FilteredPackageListController : PackageListController {
6410     SEL filter_;
6411     IMP imp_;
6412     _H<NSObject> object_;
6413 }
6414
6415 - (void) setObject:(id)object;
6416 - (void) setObject:(id)object forFilter:(SEL)filter;
6417
6418 - (SEL) filter;
6419 - (void) setFilter:(SEL)filter;
6420
6421 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object;
6422
6423 @end
6424
6425 @implementation FilteredPackageListController
6426
6427 - (SEL) filter {
6428     return filter_;
6429 }
6430
6431 - (void) setFilter:(SEL)filter {
6432 @synchronized (self) {
6433     filter_ = filter;
6434
6435     /* XXX: this is an unsafe optimization of doomy hell */
6436     Method method(class_getInstanceMethod([Package class], filter));
6437     _assert(method != NULL);
6438     imp_ = method_getImplementation(method);
6439     _assert(imp_ != NULL);
6440 } }
6441
6442 - (void) setObject:(id)object {
6443 @synchronized (self) {
6444     object_ = object;
6445 } }
6446
6447 - (void) setObject:(id)object forFilter:(SEL)filter {
6448 @synchronized (self) {
6449     [self setFilter:filter];
6450     [self setObject:object];
6451 } }
6452
6453 - (NSMutableArray *) _reloadPackages {
6454 @synchronized (database_) {
6455     era_ = [database_ era];
6456     NSArray *packages([database_ packages]);
6457
6458     NSMutableArray *filtered([NSMutableArray arrayWithCapacity:[packages count]]);
6459
6460     IMP imp;
6461     SEL filter;
6462     _H<NSObject> object;
6463
6464     @synchronized (self) {
6465         imp = imp_;
6466         filter = filter_;
6467         object = object_;
6468     }
6469
6470     _profile(PackageTable$reloadData$Filter)
6471         for (Package *package in packages)
6472             if ([package valid] && (*reinterpret_cast<bool (*)(id, SEL, id)>(imp))(package, filter, object))
6473                 [filtered addObject:package];
6474     _end
6475
6476     return filtered;
6477 } }
6478
6479 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object {
6480     if ((self = [super initWithDatabase:database title:title]) != nil) {
6481         [self setFilter:filter];
6482         [self setObject:object];
6483     } return self;
6484 }
6485
6486 @end
6487 /* }}} */
6488
6489 /* Home Controller {{{ */
6490 @interface HomeController : CydiaWebViewController {
6491 }
6492
6493 @end
6494
6495 @implementation HomeController
6496
6497 - (id) init {
6498     if ((self = [super init]) != nil) {
6499         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/home/", UI_]]];
6500         [self reloadData];
6501     } return self;
6502 }
6503
6504 - (NSURL *) navigationURL {
6505     return [NSURL URLWithString:@"cydia://home"];
6506 }
6507
6508 - (void) didReceiveMemoryWarning {
6509 }
6510
6511 - (void) aboutButtonClicked {
6512     UIAlertView *alert([[[UIAlertView alloc] init] autorelease]);
6513
6514     [alert setTitle:UCLocalize("ABOUT_CYDIA")];
6515     [alert addButtonWithTitle:UCLocalize("CLOSE")];
6516     [alert setCancelButtonIndex:0];
6517
6518     [alert setMessage:
6519         @"Copyright \u00a9 2008-2011\n"
6520         "SaurikIT, LLC\n"
6521         "\n"
6522         "Jay Freeman (saurik)\n"
6523         "saurik@saurik.com\n"
6524         "http://www.saurik.com/"
6525     ];
6526
6527     [alert show];
6528 }
6529
6530 - (UIBarButtonItem *) leftButton {
6531     return [[[UIBarButtonItem alloc]
6532         initWithTitle:UCLocalize("ABOUT")
6533         style:UIBarButtonItemStylePlain
6534         target:self
6535         action:@selector(aboutButtonClicked)
6536     ] autorelease];
6537 }
6538
6539 @end
6540 /* }}} */
6541 /* Manage Controller {{{ */
6542 @interface ManageController : CydiaWebViewController {
6543 }
6544
6545 - (void) queueStatusDidChange;
6546
6547 @end
6548
6549 @implementation ManageController
6550
6551 - (id) init {
6552     if ((self = [super init]) != nil) {
6553         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/manage/", UI_]]];
6554     } return self;
6555 }
6556
6557 - (NSURL *) navigationURL {
6558     return [NSURL URLWithString:@"cydia://manage"];
6559 }
6560
6561 - (UIBarButtonItem *) leftButton {
6562     return [[[UIBarButtonItem alloc]
6563         initWithTitle:UCLocalize("SETTINGS")
6564         style:UIBarButtonItemStylePlain
6565         target:self
6566         action:@selector(settingsButtonClicked)
6567     ] autorelease];
6568 }
6569
6570 - (void) settingsButtonClicked {
6571     [delegate_ showSettings];
6572 }
6573
6574 - (void) queueButtonClicked {
6575     [delegate_ queue];
6576 }
6577
6578 - (UIBarButtonItem *) customButton {
6579     return Queuing_ ? [[[UIBarButtonItem alloc]
6580         initWithTitle:UCLocalize("QUEUE")
6581         style:UIBarButtonItemStyleDone
6582         target:self
6583         action:@selector(queueButtonClicked)
6584     ] autorelease] : [super customButton];
6585 }
6586
6587 - (void) queueStatusDidChange {
6588     [self applyRightButton];
6589 }
6590
6591 - (bool) isLoading {
6592     return !Queuing_ && [super isLoading];
6593 }
6594
6595 @end
6596 /* }}} */
6597
6598 /* Refresh Bar {{{ */
6599 @interface RefreshBar : UINavigationBar {
6600     _H<UIProgressIndicator> indicator_;
6601     _H<UITextLabel> prompt_;
6602     _H<UIProgressBar> progress_;
6603     _H<UINavigationButton> cancel_;
6604 }
6605
6606 @end
6607
6608 @implementation RefreshBar
6609
6610 - (void) positionViews {
6611     CGRect frame = [cancel_ frame];
6612     frame.size = [cancel_ sizeThatFits:frame.size];
6613     frame.origin.x = [self frame].size.width - frame.size.width - 5;
6614     frame.origin.y = ([self frame].size.height - frame.size.height) / 2;
6615     [cancel_ setFrame:frame];
6616
6617     CGSize prgsize = {75, 100};
6618     CGRect prgrect = {{
6619         [self frame].size.width - prgsize.width - 10,
6620         ([self frame].size.height - prgsize.height) / 2
6621     } , prgsize};
6622     [progress_ setFrame:prgrect];
6623
6624     CGSize indsize([UIProgressIndicator defaultSizeForStyle:[indicator_ activityIndicatorViewStyle]]);
6625     unsigned indoffset = ([self frame].size.height - indsize.height) / 2;
6626     CGRect indrect = {{indoffset, indoffset}, indsize};
6627     [indicator_ setFrame:indrect];
6628
6629     CGSize prmsize = {215, indsize.height + 4};
6630     CGRect prmrect = {{
6631         indoffset * 2 + indsize.width,
6632         unsigned([self frame].size.height - prmsize.height) / 2 - 1
6633     }, prmsize};
6634     [prompt_ setFrame:prmrect];
6635 }
6636
6637 - (void) setFrame:(CGRect)frame {
6638     [super setFrame:frame];
6639     [self positionViews];
6640 }
6641
6642 - (id) initWithFrame:(CGRect)frame delegate:(id)delegate {
6643     if ((self = [super initWithFrame:frame]) != nil) {
6644         [self setAutoresizingMask:UIViewAutoresizingFlexibleWidth];
6645
6646         [self setBarStyle:UIBarStyleBlack];
6647
6648         UIBarStyle barstyle([self _barStyle:NO]);
6649         bool ugly(barstyle == UIBarStyleDefault);
6650
6651         UIProgressIndicatorStyle style = ugly ?
6652             UIProgressIndicatorStyleMediumBrown :
6653             UIProgressIndicatorStyleMediumWhite;
6654
6655         indicator_ = [[[UIProgressIndicator alloc] initWithFrame:CGRectZero] autorelease];
6656         [(UIProgressIndicator *) indicator_ setStyle:style];
6657         [indicator_ startAnimation];
6658         [self addSubview:indicator_];
6659
6660         prompt_ = [[[UITextLabel alloc] initWithFrame:CGRectZero] autorelease];
6661         [prompt_ setColor:[UIColor colorWithCGColor:(ugly ? Blueish_ : Off_)]];
6662         [prompt_ setBackgroundColor:[UIColor clearColor]];
6663         [prompt_ setFont:[UIFont systemFontOfSize:15]];
6664         [self addSubview:prompt_];
6665
6666         progress_ = [[[UIProgressBar alloc] initWithFrame:CGRectZero] autorelease];
6667         [progress_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleLeftMargin];
6668         [(UIProgressBar *) progress_ setStyle:0];
6669         [self addSubview:progress_];
6670
6671         cancel_ = [[[UINavigationButton alloc] initWithTitle:UCLocalize("CANCEL") style:UINavigationButtonStyleHighlighted] autorelease];
6672         [cancel_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
6673         [cancel_ addTarget:delegate action:@selector(cancelPressed) forControlEvents:UIControlEventTouchUpInside];
6674         [cancel_ setBarStyle:barstyle];
6675
6676         [self positionViews];
6677     } return self;
6678 }
6679
6680 - (void) setCancellable:(bool)cancellable {
6681     if (cancellable)
6682         [self addSubview:cancel_];
6683     else
6684         [cancel_ removeFromSuperview];
6685 }
6686
6687 - (void) start {
6688     [prompt_ setText:UCLocalize("UPDATING_DATABASE")];
6689     [progress_ setProgress:0];
6690 }
6691
6692 - (void) stop {
6693     [self setCancellable:NO];
6694 }
6695
6696 - (void) setPrompt:(NSString *)prompt {
6697     [prompt_ setText:prompt];
6698 }
6699
6700 - (void) setProgress:(float)progress {
6701     [progress_ setProgress:progress];
6702 }
6703
6704 @end
6705 /* }}} */
6706
6707 /* Cydia Navigation Controller Interface {{{ */
6708 @interface UINavigationController (Cydia)
6709
6710 - (NSArray *) navigationURLCollection;
6711 - (void) unloadData;
6712
6713 @end
6714 /* }}} */
6715
6716 /* Cydia Tab Bar Controller {{{ */
6717 @interface CYTabBarController : UITabBarController <
6718     UITabBarControllerDelegate,
6719     ProgressDelegate
6720 > {
6721     _transient Database *database_;
6722     _H<RefreshBar, 1> refreshbar_;
6723
6724     bool dropped_;
6725     bool updating_;
6726     // XXX: ok, "updatedelegate_"?...
6727     _transient NSObject<CydiaDelegate> *updatedelegate_;
6728
6729     _H<UIViewController> remembered_;
6730     _transient UIViewController *transient_;
6731 }
6732
6733 - (NSArray *) navigationURLCollection;
6734 - (void) dropBar:(BOOL)animated;
6735 - (void) beginUpdate;
6736 - (void) raiseBar:(BOOL)animated;
6737 - (BOOL) updating;
6738 - (void) unloadData;
6739
6740 @end
6741
6742 @implementation CYTabBarController
6743
6744 - (void) setUnselectedViewController:(UIViewController *)transient {
6745     NSMutableArray *controllers = [[self viewControllers] mutableCopy];
6746     if (transient != nil) {
6747         if (transient_ == nil)
6748             remembered_ = [controllers objectAtIndex:0];
6749         transient_ = transient;
6750         [transient_ setTabBarItem:[remembered_ tabBarItem]];
6751         [controllers replaceObjectAtIndex:0 withObject:transient_];
6752         [self setSelectedIndex:0];
6753         [self setViewControllers:controllers];
6754         [self concealTabBarSelection];
6755     } else if (remembered_ != nil) {
6756         [remembered_ setTabBarItem:[transient_ tabBarItem]];
6757         transient_ = transient;
6758         [controllers replaceObjectAtIndex:0 withObject:remembered_];
6759         remembered_ = nil;
6760         [self setViewControllers:controllers];
6761         [self revealTabBarSelection];
6762     }
6763 }
6764
6765 - (UIViewController *) unselectedViewController {
6766     return transient_;
6767 }
6768
6769 - (void) tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UIViewController *)viewController {
6770     if ([self unselectedViewController])
6771         [self setUnselectedViewController:nil];
6772 }
6773
6774 - (NSArray *) navigationURLCollection {
6775     NSMutableArray *items([NSMutableArray array]);
6776
6777     // XXX: Should this deal with transient view controllers?
6778     for (id navigation in [self viewControllers]) {
6779         NSArray *stack = [navigation performSelector:@selector(navigationURLCollection)];
6780         if (stack != nil)
6781             [items addObject:stack];
6782     }
6783
6784     return items;
6785 }
6786
6787 - (void) unloadData {
6788     [super unloadData];
6789
6790     for (UINavigationController *controller in [self viewControllers])
6791         [controller unloadData];
6792
6793     if (UIViewController *selected = [self selectedViewController])
6794         [selected reloadData];
6795
6796     if (UIViewController *unselected = [self unselectedViewController]) {
6797         [unselected unloadData];
6798         [unselected reloadData];
6799     }
6800 }
6801
6802 - (void) dealloc {
6803     [[NSNotificationCenter defaultCenter] removeObserver:self];
6804
6805     [super dealloc];
6806 }
6807
6808 - (id) initWithDatabase:(Database *)database {
6809     if ((self = [super init]) != nil) {
6810         database_ = database;
6811         [self setDelegate:self];
6812
6813         [[self view] setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6814         [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(statusBarFrameChanged:) name:UIApplicationDidChangeStatusBarFrameNotification object:nil];
6815
6816         refreshbar_ = [[[RefreshBar alloc] initWithFrame:CGRectMake(0, 0, [[self view] frame].size.width, [UINavigationBar defaultSize].height) delegate:self] autorelease];
6817     } return self;
6818 }
6819
6820 - (void) setUpdate:(NSDate *)date {
6821     [self beginUpdate];
6822 }
6823
6824 - (void) beginUpdate {
6825     [(RefreshBar *) refreshbar_ start];
6826     [self dropBar:YES];
6827
6828     [updatedelegate_ retainNetworkActivityIndicator];
6829     updating_ = true;
6830
6831     [NSThread
6832         detachNewThreadSelector:@selector(performUpdate)
6833         toTarget:self
6834         withObject:nil
6835     ];
6836 }
6837
6838 - (void) performUpdate {
6839     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
6840
6841     Status status;
6842     status.setDelegate(self);
6843     [database_ updateWithStatus:status];
6844
6845     [self
6846         performSelectorOnMainThread:@selector(completeUpdate)
6847         withObject:nil
6848         waitUntilDone:NO
6849     ];
6850
6851     [pool release];
6852 }
6853
6854 - (void) stopUpdateWithSelector:(SEL)selector {
6855     updating_ = false;
6856     [updatedelegate_ releaseNetworkActivityIndicator];
6857
6858     [self raiseBar:YES];
6859     [refreshbar_ stop];
6860
6861     [updatedelegate_ performSelector:selector withObject:nil afterDelay:0];
6862 }
6863
6864 - (void) completeUpdate {
6865     if (!updating_)
6866         return;
6867     [self stopUpdateWithSelector:@selector(reloadData)];
6868 }
6869
6870 - (void) cancelUpdate {
6871     [self stopUpdateWithSelector:@selector(updateData)];
6872 }
6873
6874 - (void) cancelPressed {
6875     [self cancelUpdate];
6876 }
6877
6878 - (BOOL) updating {
6879     return updating_;
6880 }
6881
6882 - (void) addProgressEvent:(CydiaProgressEvent *)event {
6883     [refreshbar_ setPrompt:[event compoundMessage]];
6884 }
6885
6886 - (bool) isProgressCancelled {
6887     return !updating_;
6888 }
6889
6890 - (void) setProgressCancellable:(NSNumber *)cancellable {
6891     [refreshbar_ setCancellable:(updating_ && [cancellable boolValue])];
6892 }
6893
6894 - (void) setProgressPercent:(NSNumber *)percent {
6895     [refreshbar_ setProgress:[percent floatValue]];
6896 }
6897
6898 - (void) setProgressStatus:(NSDictionary *)status {
6899     if (status != nil)
6900         [self setProgressPercent:[status objectForKey:@"Percent"]];
6901 }
6902
6903 - (void) setUpdateDelegate:(id)delegate {
6904     updatedelegate_ = delegate;
6905 }
6906
6907 - (UIView *) transitionView {
6908     if ([self respondsToSelector:@selector(_transitionView)])
6909         return [self _transitionView];
6910     else
6911         return MSHookIvar<id>(self, "_viewControllerTransitionView");
6912 }
6913
6914 - (void) dropBar:(BOOL)animated {
6915     if (dropped_)
6916         return;
6917     dropped_ = true;
6918
6919     UIView *transition([self transitionView]);
6920     [[self view] addSubview:refreshbar_];
6921
6922     CGRect barframe([refreshbar_ frame]);
6923
6924     if (kCFCoreFoundationVersionNumber >= kCFCoreFoundationVersionNumber_iPhoneOS_3_0) // XXX: _UIApplicationLinkedOnOrAfter(4)
6925         barframe.origin.y = CYStatusBarHeight();
6926     else
6927         barframe.origin.y = 0;
6928
6929     [refreshbar_ setFrame:barframe];
6930
6931     if (animated)
6932         [UIView beginAnimations:nil context:NULL];
6933
6934     CGRect viewframe = [transition frame];
6935     viewframe.origin.y += barframe.size.height;
6936     viewframe.size.height -= barframe.size.height;
6937     [transition setFrame:viewframe];
6938
6939     if (animated)
6940         [UIView commitAnimations];
6941
6942     // Ensure bar has the proper width for our view, it might have changed
6943     barframe.size.width = viewframe.size.width;
6944     [refreshbar_ setFrame:barframe];
6945 }
6946
6947 - (void) raiseBar:(BOOL)animated {
6948     if (!dropped_)
6949         return;
6950     dropped_ = false;
6951
6952     UIView *transition([self transitionView]);
6953     [refreshbar_ removeFromSuperview];
6954
6955     CGRect barframe([refreshbar_ frame]);
6956
6957     if (animated)
6958         [UIView beginAnimations:nil context:NULL];
6959
6960     CGRect viewframe = [transition frame];
6961     viewframe.origin.y -= barframe.size.height;
6962     viewframe.size.height += barframe.size.height;
6963     [transition setFrame:viewframe];
6964
6965     if (animated)
6966         [UIView commitAnimations];
6967 }
6968
6969 - (void) didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
6970     bool dropped(dropped_);
6971
6972     if (dropped)
6973         [self raiseBar:NO];
6974
6975     [super didRotateFromInterfaceOrientation:fromInterfaceOrientation];
6976
6977     if (dropped)
6978         [self dropBar:NO];
6979 }
6980
6981 - (void) statusBarFrameChanged:(NSNotification *)notification {
6982     if (dropped_) {
6983         [self raiseBar:NO];
6984         [self dropBar:NO];
6985     }
6986 }
6987
6988 @end
6989 /* }}} */
6990
6991 /* Cydia Navigation Controller Implementation {{{ */
6992 @implementation UINavigationController (Cydia)
6993
6994 - (NSArray *) navigationURLCollection {
6995     NSMutableArray *stack([NSMutableArray array]);
6996
6997     for (CyteViewController *controller in [self viewControllers]) {
6998         NSString *url = [[controller navigationURL] absoluteString];
6999         if (url != nil)
7000             [stack addObject:url];
7001     }
7002
7003     return stack;
7004 }
7005
7006 - (void) reloadData {
7007     [super reloadData];
7008
7009     UIViewController *visible([self visibleViewController]);
7010     if (visible != nil)
7011         [visible reloadData];
7012
7013     // on the iPad, this view controller is ALSO visible. :(
7014     if (IsWildcat_)
7015         if (UIViewController *top = [self topViewController])
7016             if (top != visible)
7017                 [top reloadData];
7018 }
7019
7020 - (void) unloadData {
7021     for (CyteViewController *page in [self viewControllers])
7022         [page unloadData];
7023
7024     [super unloadData];
7025 }
7026
7027 @end
7028 /* }}} */
7029
7030 /* Cydia:// Protocol {{{ */
7031 @interface CydiaURLProtocol : NSURLProtocol {
7032 }
7033
7034 @end
7035
7036 @implementation CydiaURLProtocol
7037
7038 + (BOOL) canInitWithRequest:(NSURLRequest *)request {
7039     NSURL *url([request URL]);
7040     if (url == nil)
7041         return NO;
7042
7043     NSString *scheme([[url scheme] lowercaseString]);
7044     if (scheme != nil && [scheme isEqualToString:@"cydia"])
7045         return YES;
7046     if ([[url absoluteString] hasPrefix:@"about:cydia-"])
7047         return YES;
7048
7049     return NO;
7050 }
7051
7052 + (NSURLRequest *) canonicalRequestForRequest:(NSURLRequest *)request {
7053     return request;
7054 }
7055
7056 - (void) _returnPNGWithImage:(UIImage *)icon forRequest:(NSURLRequest *)request {
7057     id<NSURLProtocolClient> client([self client]);
7058     if (icon == nil)
7059         [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorFileDoesNotExist userInfo:nil]];
7060     else {
7061         NSData *data(UIImagePNGRepresentation(icon));
7062
7063         NSURLResponse *response([[[NSURLResponse alloc] initWithURL:[request URL] MIMEType:@"image/png" expectedContentLength:-1 textEncodingName:nil] autorelease]);
7064         [client URLProtocol:self didReceiveResponse:response cacheStoragePolicy:NSURLCacheStorageNotAllowed];
7065         [client URLProtocol:self didLoadData:data];
7066         [client URLProtocolDidFinishLoading:self];
7067     }
7068 }
7069
7070 - (void) startLoading {
7071     id<NSURLProtocolClient> client([self client]);
7072     NSURLRequest *request([self request]);
7073
7074     NSURL *url([request URL]);
7075     NSString *href([url absoluteString]);
7076     NSString *scheme([[url scheme] lowercaseString]);
7077
7078     NSString *path;
7079
7080     if ([scheme isEqualToString:@"cydia"])
7081         path = [href substringFromIndex:8];
7082     else if ([scheme isEqualToString:@"about"])
7083         path = [href substringFromIndex:12];
7084     else _assert(false);
7085
7086     NSRange slash([path rangeOfString:@"/"]);
7087
7088     NSString *command;
7089     if (slash.location == NSNotFound) {
7090         command = path;
7091         path = nil;
7092     } else {
7093         command = [path substringToIndex:slash.location];
7094         path = [path substringFromIndex:(slash.location + 1)];
7095     }
7096
7097     Database *database([Database sharedInstance]);
7098
7099     if ([command isEqualToString:@"package-icon"]) {
7100         if (path == nil)
7101             goto fail;
7102         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7103         Package *package([database packageWithName:path]);
7104         if (package == nil)
7105             goto fail;
7106         [package parse];
7107         UIImage *icon([package icon]);
7108         [self _returnPNGWithImage:icon forRequest:request];
7109     } else if ([command isEqualToString:@"source-icon"]) {
7110         if (path == nil)
7111             goto fail;
7112         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7113         NSString *source(Simplify(path));
7114         UIImage *icon([UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sources/%@.png", App_, source]]);
7115         if (icon == nil)
7116             icon = [UIImage applicationImageNamed:@"unknown.png"];
7117         [self _returnPNGWithImage:icon forRequest:request];
7118     } else if ([command isEqualToString:@"uikit-image"]) {
7119         if (path == nil)
7120             goto fail;
7121         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7122         UIImage *icon(_UIImageWithName(path));
7123         [self _returnPNGWithImage:icon forRequest:request];
7124     } else if ([command isEqualToString:@"section-icon"]) {
7125         if (path == nil)
7126             goto fail;
7127         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7128         UIImage *icon([UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, [path stringByReplacingOccurrencesOfString:@" " withString:@"_"]]]);
7129         if (icon == nil)
7130             icon = [UIImage applicationImageNamed:@"unknown.png"];
7131         [self _returnPNGWithImage:icon forRequest:request];
7132     } else fail: {
7133         [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorResourceUnavailable userInfo:nil]];
7134     }
7135 }
7136
7137 - (void) stopLoading {
7138 }
7139
7140 @end
7141 /* }}} */
7142
7143 /* Section Controller {{{ */
7144 @interface SectionController : FilteredPackageListController {
7145     _H<NSString> section_;
7146 }
7147
7148 - (id) initWithDatabase:(Database *)database section:(NSString *)section;
7149
7150 @end
7151
7152 @implementation SectionController
7153
7154 - (NSURL *) navigationURL {
7155     NSString *name = section_;
7156     if (name == nil)
7157         name = @"all";
7158
7159     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sections/%@", name]];
7160 }
7161
7162 - (id) initWithDatabase:(Database *)database section:(NSString *)name {
7163     NSString *title;
7164     if (name == nil)
7165         title = UCLocalize("ALL_PACKAGES");
7166     else if (![name isEqual:@""])
7167         title = [[NSBundle mainBundle] localizedStringForKey:Simplify(name) value:nil table:@"Sections"];
7168     else
7169         title = UCLocalize("NO_SECTION");
7170
7171     if ((self = [super initWithDatabase:database title:title filter:@selector(isVisibleInSection:) with:name]) != nil) {
7172         section_ = name;
7173     } return self;
7174 }
7175
7176 @end
7177 /* }}} */
7178 /* Sections Controller {{{ */
7179 @interface SectionsController : CyteViewController <
7180     UITableViewDataSource,
7181     UITableViewDelegate
7182 > {
7183     _transient Database *database_;
7184     _H<NSMutableArray> sections_;
7185     _H<NSMutableArray> filtered_;
7186     _H<UITableView, 2> list_;
7187 }
7188
7189 - (id) initWithDatabase:(Database *)database;
7190 - (void) editButtonClicked;
7191
7192 @end
7193
7194 @implementation SectionsController
7195
7196 - (NSURL *) navigationURL {
7197     return [NSURL URLWithString:@"cydia://sections"];
7198 }
7199
7200 - (void) updateNavigationItem {
7201     [[self navigationItem] setTitle:[self isEditing] ? UCLocalize("SECTION_VISIBILITY") : UCLocalize("SECTIONS")];
7202     if ([sections_ count] == 0) {
7203         [[self navigationItem] setRightBarButtonItem:nil];
7204     } else {
7205         [[self navigationItem] setRightBarButtonItem:[[UIBarButtonItem alloc]
7206             initWithBarButtonSystemItem:([self isEditing] ? UIBarButtonSystemItemDone : UIBarButtonSystemItemEdit)
7207             target:self
7208             action:@selector(editButtonClicked)
7209         ] animated:([[self navigationItem] rightBarButtonItem] != nil)];
7210     }
7211 }
7212
7213 - (void) setEditing:(BOOL)editing animated:(BOOL)animated {
7214     [super setEditing:editing animated:animated];
7215
7216     if (editing)
7217         [list_ reloadData];
7218     else
7219         [delegate_ updateData];
7220
7221     [self updateNavigationItem];
7222 }
7223
7224 - (void) viewDidAppear:(BOOL)animated {
7225     [super viewDidAppear:animated];
7226     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
7227 }
7228
7229 - (void) viewWillDisappear:(BOOL)animated {
7230     [super viewWillDisappear:animated];
7231     if ([self isEditing]) [self setEditing:NO];
7232 }
7233
7234 - (Section *) sectionAtIndexPath:(NSIndexPath *)indexPath {
7235     Section *section = nil;
7236     int index = [indexPath row];
7237     if (![self isEditing]) {
7238         index -= 1;
7239         if (index >= 0)
7240             section = [filtered_ objectAtIndex:index];
7241     } else {
7242         section = [sections_ objectAtIndex:index];
7243     }
7244     return section;
7245 }
7246
7247 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7248     if ([self isEditing])
7249         return [sections_ count];
7250     else
7251         return [filtered_ count] + 1;
7252 }
7253
7254 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
7255     return 45.0f;
7256 }*/
7257
7258 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7259     static NSString *reuseIdentifier = @"SectionCell";
7260
7261     SectionCell *cell = (SectionCell *)[tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
7262     if (cell == nil)
7263         cell = [[[SectionCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
7264
7265     [cell setSection:[self sectionAtIndexPath:indexPath] editing:[self isEditing]];
7266
7267     return cell;
7268 }
7269
7270 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
7271     if ([self isEditing])
7272         return;
7273
7274     Section *section = [self sectionAtIndexPath:indexPath];
7275
7276     SectionController *controller = [[[SectionController alloc]
7277         initWithDatabase:database_
7278         section:[section name]
7279     ] autorelease];
7280     [controller setDelegate:delegate_];
7281
7282     [[self navigationController] pushViewController:controller animated:YES];
7283 }
7284
7285 - (void) loadView {
7286     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7287
7288     list_ = [[[UITableView alloc] initWithFrame:[[self view] bounds]] autorelease];
7289     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7290     [list_ setRowHeight:45.0f];
7291     [(UITableView *) list_ setDataSource:self];
7292     [list_ setDelegate:self];
7293     [[self view] addSubview:list_];
7294 }
7295
7296 - (void) viewDidLoad {
7297     [super viewDidLoad];
7298
7299     [[self navigationItem] setTitle:UCLocalize("SECTIONS")];
7300 }
7301
7302 - (void) releaseSubviews {
7303     list_ = nil;
7304
7305     sections_ = nil;
7306     filtered_ = nil;
7307
7308     [super releaseSubviews];
7309 }
7310
7311 - (id) initWithDatabase:(Database *)database {
7312     if ((self = [super init]) != nil) {
7313         database_ = database;
7314     } return self;
7315 }
7316
7317 - (void) reloadData {
7318     [super reloadData];
7319
7320     NSArray *packages = [database_ packages];
7321
7322     sections_ = [NSMutableArray arrayWithCapacity:16];
7323     filtered_ = [NSMutableArray arrayWithCapacity:16];
7324
7325     NSMutableDictionary *sections([NSMutableDictionary dictionaryWithCapacity:32]);
7326
7327     _trace();
7328     for (Package *package in packages) {
7329         NSString *name([package section]);
7330         NSString *key(name == nil ? @"" : name);
7331
7332         Section *section;
7333
7334         _profile(SectionsView$reloadData$Section)
7335             section = [sections objectForKey:key];
7336             if (section == nil) {
7337                 _profile(SectionsView$reloadData$Section$Allocate)
7338                     section = [[[Section alloc] initWithName:key localize:YES] autorelease];
7339                     [sections setObject:section forKey:key];
7340                 _end
7341             }
7342         _end
7343
7344         [section addToCount];
7345
7346         _profile(SectionsView$reloadData$Filter)
7347             if (![package valid] || ![package visible])
7348                 continue;
7349         _end
7350
7351         [section addToRow];
7352     }
7353     _trace();
7354
7355     [sections_ addObjectsFromArray:[sections allValues]];
7356
7357     [sections_ sortUsingSelector:@selector(compareByLocalized:)];
7358
7359     for (Section *section in (id) sections_) {
7360         size_t count([section row]);
7361         if (count == 0)
7362             continue;
7363
7364         section = [[[Section alloc] initWithName:[section name] localized:[section localized]] autorelease];
7365         [section setCount:count];
7366         [filtered_ addObject:section];
7367     }
7368
7369     [self updateNavigationItem];
7370     [list_ reloadData];
7371     _trace();
7372 }
7373
7374 - (void) editButtonClicked {
7375     [self setEditing:![self isEditing] animated:YES];
7376 }
7377
7378 @end
7379 /* }}} */
7380
7381 /* Changes Controller {{{ */
7382 @interface ChangesController : CyteViewController <
7383     UITableViewDataSource,
7384     UITableViewDelegate
7385 > {
7386     _transient Database *database_;
7387     unsigned era_;
7388     _H<NSArray> packages_;
7389     _H<NSMutableArray> sections_;
7390     _H<UITableView, 2> list_;
7391     unsigned upgrades_;
7392 }
7393
7394 - (id) initWithDatabase:(Database *)database;
7395
7396 @end
7397
7398 @implementation ChangesController
7399
7400 - (NSURL *) navigationURL {
7401     return [NSURL URLWithString:@"cydia://changes"];
7402 }
7403
7404 - (void) viewDidAppear:(BOOL)animated {
7405     [super viewDidAppear:animated];
7406     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
7407 }
7408
7409 - (NSInteger) numberOfSectionsInTableView:(UITableView *)list {
7410     NSInteger count([sections_ count]);
7411     return count == 0 ? 1 : count;
7412 }
7413
7414 - (NSString *) tableView:(UITableView *)list titleForHeaderInSection:(NSInteger)section {
7415     if ([sections_ count] == 0)
7416         return nil;
7417     return [[sections_ objectAtIndex:section] name];
7418 }
7419
7420 - (NSInteger) tableView:(UITableView *)list numberOfRowsInSection:(NSInteger)section {
7421     if ([sections_ count] == 0)
7422         return 0;
7423     return [[sections_ objectAtIndex:section] count];
7424 }
7425
7426 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
7427 @synchronized (database_) {
7428     if ([database_ era] != era_)
7429         return nil;
7430
7431     NSUInteger sectionIndex([path section]);
7432     if (sectionIndex >= [sections_ count])
7433         return nil;
7434     Section *section([sections_ objectAtIndex:sectionIndex]);
7435     NSInteger row([path row]);
7436     return [[[packages_ objectAtIndex:([section row] + row)] retain] autorelease];
7437 } }
7438
7439 - (UITableViewCell *) tableView:(UITableView *)table cellForRowAtIndexPath:(NSIndexPath *)path {
7440     PackageCell *cell((PackageCell *) [table dequeueReusableCellWithIdentifier:@"Package"]);
7441     if (cell == nil)
7442         cell = [[[PackageCell alloc] init] autorelease];
7443
7444     Package *package([database_ packageWithName:[[self packageAtIndexPath:path] id]]);
7445     [cell setPackage:package asSummary:false];
7446     return cell;
7447 }
7448
7449 - (NSIndexPath *) tableView:(UITableView *)table willSelectRowAtIndexPath:(NSIndexPath *)path {
7450     Package *package([self packageAtIndexPath:path]);
7451     CYPackageController *view([[[CYPackageController alloc] initWithDatabase:database_ forPackage:[package id]] autorelease]);
7452     [view setDelegate:delegate_];
7453     [[self navigationController] pushViewController:view animated:YES];
7454     return path;
7455 }
7456
7457 - (void) refreshButtonClicked {
7458     [delegate_ beginUpdate];
7459     [[self navigationItem] setLeftBarButtonItem:nil animated:YES];
7460 }
7461
7462 - (void) upgradeButtonClicked {
7463     [delegate_ distUpgrade];
7464     [[self navigationItem] setRightBarButtonItem:nil animated:YES];
7465 }
7466
7467 - (void) loadView {
7468     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7469
7470     list_ = [[[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain] autorelease];
7471     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7472     [list_ setRowHeight:73];
7473     [(UITableView *) list_ setDataSource:self];
7474     [list_ setDelegate:self];
7475     [[self view] addSubview:list_];
7476 }
7477
7478 - (void) viewDidLoad {
7479     [super viewDidLoad];
7480
7481     [[self navigationItem] setTitle:UCLocalize("CHANGES")];
7482 }
7483
7484 - (void) releaseSubviews {
7485     list_ = nil;
7486
7487     packages_ = nil;
7488     sections_ = nil;
7489
7490     [super releaseSubviews];
7491 }
7492
7493 - (id) initWithDatabase:(Database *)database {
7494     if ((self = [super init]) != nil) {
7495         database_ = database;
7496     } return self;
7497 }
7498
7499 - (NSMutableArray *) _reloadPackages {
7500 @synchronized (database_) {
7501     era_ = [database_ era];
7502     NSArray *packages([database_ packages]);
7503
7504     NSMutableArray *filtered([NSMutableArray arrayWithCapacity:[packages count]]);
7505
7506     _trace();
7507     _profile(ChangesController$_reloadPackages$Filter)
7508         for (Package *package in packages)
7509             if ([package upgradableAndEssential:YES] || [package visible])
7510                 CFArrayAppendValue((CFMutableArrayRef) filtered, package);
7511     _end
7512     _trace();
7513     _profile(ChangesController$_reloadPackages$radixSort)
7514         [filtered radixSortUsingFunction:reinterpret_cast<MenesRadixSortFunction>(&PackageChangesRadix) withContext:NULL];
7515     _end
7516     _trace();
7517
7518     return filtered;
7519 } }
7520
7521 - (void) _reloadData {
7522     NSArray *packages;
7523
7524   reload:
7525     if (true) {
7526         UIProgressHUD *hud([delegate_ addProgressHUD]);
7527         [hud setText:UCLocalize("LOADING")];
7528         //NSLog(@"HUD:%@::%@", delegate_, hud);
7529         packages = [self yieldToSelector:@selector(_reloadPackages)];
7530         [delegate_ removeProgressHUD:hud];
7531     } else {
7532         packages = [self _reloadPackages];
7533     }
7534
7535 @synchronized (database_) {
7536     if (era_ != [database_ era])
7537         goto reload;
7538
7539     packages_ = packages;
7540     sections_ = [NSMutableArray arrayWithCapacity:16];
7541
7542     Section *upgradable = [[[Section alloc] initWithName:UCLocalize("AVAILABLE_UPGRADES") localize:NO] autorelease];
7543     Section *ignored = nil;
7544     Section *section = nil;
7545     time_t last = 0;
7546
7547     upgrades_ = 0;
7548     bool unseens = false;
7549
7550     CFDateFormatterRef formatter(CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle));
7551
7552     for (size_t offset = 0, count = [packages_ count]; offset != count; ++offset) {
7553         Package *package = [packages_ objectAtIndex:offset];
7554
7555         BOOL uae = [package upgradableAndEssential:YES];
7556
7557         if (!uae) {
7558             unseens = true;
7559             time_t seen([package seen]);
7560
7561             if (section == nil || last != seen) {
7562                 last = seen;
7563
7564                 NSString *name;
7565                 name = (NSString *) CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) [NSDate dateWithTimeIntervalSince1970:seen]);
7566                 [name autorelease];
7567
7568                 _profile(ChangesController$reloadData$Allocate)
7569                     name = [NSString stringWithFormat:UCLocalize("NEW_AT"), name];
7570                     section = [[[Section alloc] initWithName:name row:offset localize:NO] autorelease];
7571                     [sections_ addObject:section];
7572                 _end
7573             }
7574
7575             [section addToCount];
7576         } else if ([package ignored]) {
7577             if (ignored == nil) {
7578                 ignored = [[[Section alloc] initWithName:UCLocalize("IGNORED_UPGRADES") row:offset localize:NO] autorelease];
7579             }
7580             [ignored addToCount];
7581         } else {
7582             ++upgrades_;
7583             [upgradable addToCount];
7584         }
7585     }
7586     _trace();
7587
7588     CFRelease(formatter);
7589
7590     if (unseens) {
7591         Section *last = [sections_ lastObject];
7592         size_t count = [last count];
7593         [packages_ removeObjectsInRange:NSMakeRange([packages_ count] - count, count)];
7594         [sections_ removeLastObject];
7595     }
7596
7597     if ([ignored count] != 0)
7598         [sections_ insertObject:ignored atIndex:0];
7599     if (upgrades_ != 0)
7600         [sections_ insertObject:upgradable atIndex:0];
7601
7602     [list_ reloadData];
7603
7604     [[self navigationItem] setRightBarButtonItem:(upgrades_ == 0 ? nil : [[[UIBarButtonItem alloc]
7605         initWithTitle:[NSString stringWithFormat:UCLocalize("PARENTHETICAL"), UCLocalize("UPGRADE"), [NSString stringWithFormat:@"%u", upgrades_]]
7606         style:UIBarButtonItemStylePlain
7607         target:self
7608         action:@selector(upgradeButtonClicked)
7609     ] autorelease]) animated:YES];
7610
7611     [[self navigationItem] setLeftBarButtonItem:([delegate_ updating] ? nil : [[[UIBarButtonItem alloc]
7612         initWithTitle:UCLocalize("REFRESH")
7613         style:UIBarButtonItemStylePlain
7614         target:self
7615         action:@selector(refreshButtonClicked)
7616     ] autorelease]) animated:YES];
7617
7618     PrintTimes();
7619 } }
7620
7621 - (void) reloadData {
7622     [super reloadData];
7623     [self performSelector:@selector(_reloadData) withObject:nil afterDelay:0];
7624 }
7625
7626 @end
7627 /* }}} */
7628 /* Search Controller {{{ */
7629 @interface SearchController : FilteredPackageListController <
7630     UISearchBarDelegate
7631 > {
7632     _H<UISearchBar, 1> search_;
7633     BOOL searchloaded_;
7634 }
7635
7636 - (id) initWithDatabase:(Database *)database query:(NSString *)query;
7637 - (void) reloadData;
7638
7639 @end
7640
7641 @implementation SearchController
7642
7643 - (NSURL *) navigationURL {
7644     if ([search_ text] == nil || [[search_ text] isEqualToString:@""])
7645         return [NSURL URLWithString:@"cydia://search"];
7646     else
7647         return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://search/%@", [search_ text]]];
7648 }
7649
7650 - (void) useSearch {
7651     [self setObject:[[search_ text] componentsSeparatedByString:@" "] forFilter:@selector(isUnfilteredAndSearchedForBy:)];
7652     [self clearData];
7653     [self reloadData];
7654 }
7655
7656 - (void) viewWillAppear:(BOOL)animated {
7657     [super viewWillAppear:animated];
7658
7659     if ([self filter] == @selector(isUnfilteredAndSelectedForBy:))
7660         [self useSearch];
7661 }
7662
7663 - (void) searchBarTextDidBeginEditing:(UISearchBar *)searchBar {
7664     [self setObject:[search_ text] forFilter:@selector(isUnfilteredAndSelectedForBy:)];
7665     [self clearData];
7666     [self reloadData];
7667 }
7668
7669 - (void) searchBarButtonClicked:(UISearchBar *)searchBar {
7670     [search_ resignFirstResponder];
7671     [self useSearch];
7672 }
7673
7674 - (void) searchBarCancelButtonClicked:(UISearchBar *)searchBar {
7675     [search_ setText:@""];
7676     [self searchBarButtonClicked:searchBar];
7677 }
7678
7679 - (void) searchBarSearchButtonClicked:(UISearchBar *)searchBar {
7680     [self searchBarButtonClicked:searchBar];
7681 }
7682
7683 - (void) searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)text {
7684     [self setObject:text forFilter:@selector(isUnfilteredAndSelectedForBy:)];
7685     [self reloadData];
7686 }
7687
7688 - (bool) shouldYield {
7689     return YES;
7690 }
7691
7692 - (bool) shouldBlock {
7693     return [self filter] == @selector(isUnfilteredAndSearchedForBy:);
7694 }
7695
7696 - (bool) isSummarized {
7697     return [self filter] == @selector(isUnfilteredAndSelectedForBy:);
7698 }
7699
7700 - (bool) showsSections {
7701     return false;
7702 }
7703
7704 - (NSMutableArray *) _reloadPackages {
7705     NSMutableArray *packages([super _reloadPackages]);
7706     if ([self filter] == @selector(isUnfilteredAndSearchedForBy:))
7707         [packages radixSortUsingSelector:@selector(rank)];
7708     return packages;
7709 }
7710
7711 - (id) initWithDatabase:(Database *)database query:(NSString *)query {
7712     if ((self = [super initWithDatabase:database title:UCLocalize("SEARCH") filter:@selector(isUnfilteredAndSearchedForBy:) with:[query componentsSeparatedByString:@" "]])) {
7713         search_ = [[[UISearchBar alloc] init] autorelease];
7714         [search_ setDelegate:self];
7715
7716         if (query != nil)
7717             [search_ setText:query];
7718     } return self;
7719 }
7720
7721 - (void) viewDidAppear:(BOOL)animated {
7722     [super viewDidAppear:animated];
7723
7724     if (!searchloaded_) {
7725         searchloaded_ = YES;
7726         [search_ setFrame:CGRectMake(0, 0, [[self view] bounds].size.width, 44.0f)];
7727         [search_ layoutSubviews];
7728         [search_ setPlaceholder:UCLocalize("SEARCH_EX")];
7729
7730         UITextField *textField;
7731         if ([search_ respondsToSelector:@selector(searchField)])
7732             textField = [search_ searchField];
7733         else
7734             textField = MSHookIvar<UITextField *>(search_, "_searchField");
7735
7736         [textField setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
7737         [textField setEnablesReturnKeyAutomatically:NO];
7738         [[self navigationItem] setTitleView:textField];
7739     }
7740 }
7741
7742 - (void) reloadData {
7743     id object([search_ text]);
7744     if ([self filter] == @selector(isUnfilteredAndSearchedForBy:))
7745         object = [object componentsSeparatedByString:@" "];
7746
7747     [self setObject:object];
7748     [self resetCursor];
7749
7750     [super reloadData];
7751 }
7752
7753 - (void) didSelectPackage:(Package *)package {
7754     [search_ resignFirstResponder];
7755     [super didSelectPackage:package];
7756 }
7757
7758 @end
7759 /* }}} */
7760 /* Package Settings Controller {{{ */
7761 @interface PackageSettingsController : CyteViewController <
7762     UITableViewDataSource,
7763     UITableViewDelegate
7764 > {
7765     _transient Database *database_;
7766     _H<NSString> name_;
7767     _H<Package> package_;
7768     _H<UITableView, 2> table_;
7769     _H<UISwitch> subscribedSwitch_;
7770     _H<UISwitch> ignoredSwitch_;
7771     _H<UITableViewCell> subscribedCell_;
7772     _H<UITableViewCell> ignoredCell_;
7773 }
7774
7775 - (id) initWithDatabase:(Database *)database package:(NSString *)package;
7776
7777 @end
7778
7779 @implementation PackageSettingsController
7780
7781 - (NSURL *) navigationURL {
7782     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/settings", (id) name_]];
7783 }
7784
7785 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
7786     if (package_ == nil)
7787         return 0;
7788
7789     if ([package_ installed] == nil)
7790         return 1;
7791     else
7792         return 2;
7793 }
7794
7795 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7796     if (package_ == nil)
7797         return 0;
7798
7799     // both sections contain just one item right now.
7800     return 1;
7801 }
7802
7803 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
7804     return nil;
7805 }
7806
7807 - (NSString *) tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
7808     if (section == 0)
7809         return UCLocalize("SHOW_ALL_CHANGES_EX");
7810     else
7811         return UCLocalize("IGNORE_UPGRADES_EX");
7812 }
7813
7814 - (void) onSubscribed:(id)control {
7815     bool value([control isOn]);
7816     if (package_ == nil)
7817         return;
7818     if ([package_ setSubscribed:value])
7819         [delegate_ updateData];
7820 }
7821
7822 - (void) _updateIgnored {
7823     const char *package([name_ UTF8String]);
7824     bool on([ignoredSwitch_ isOn]);
7825
7826     pid_t pid(ExecFork());
7827     if (pid == 0) {
7828         FILE *dpkg(popen("dpkg --set-selections", "w"));
7829         fwrite(package, strlen(package), 1, dpkg);
7830
7831         if (on)
7832             fwrite(" hold\n", 6, 1, dpkg);
7833         else
7834             fwrite(" install\n", 9, 1, dpkg);
7835
7836         pclose(dpkg);
7837
7838         exit(0);
7839         _assert(false);
7840     }
7841
7842     _forever {
7843         int status;
7844         int result(waitpid(pid, &status, 0));
7845
7846         if (result != -1) {
7847             _assert(result == pid);
7848             break;
7849         }
7850     }
7851 }
7852
7853 - (void) onIgnored:(id)control {
7854     NSInvocation *invocation([NSInvocation invocationWithMethodSignature:[self methodSignatureForSelector:@selector(_updateIgnored)]]);
7855     [invocation setTarget:self];
7856     [invocation setSelector:@selector(_updateIgnored)];
7857
7858     [delegate_ reloadDataWithInvocation:invocation];
7859 }
7860
7861 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7862     if (package_ == nil)
7863         return nil;
7864
7865     switch ([indexPath section]) {
7866         case 0: return subscribedCell_;
7867         case 1: return ignoredCell_;
7868
7869         _nodefault
7870     }
7871
7872     return nil;
7873 }
7874
7875 - (void) loadView {
7876     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7877
7878     table_ = [[[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped] autorelease];
7879     [table_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7880     [(UITableView *) table_ setDataSource:self];
7881     [table_ setDelegate:self];
7882     [[self view] addSubview:table_];
7883
7884     subscribedSwitch_ = [[[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)] autorelease];
7885     [subscribedSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
7886     [subscribedSwitch_ addTarget:self action:@selector(onSubscribed:) forEvents:UIControlEventValueChanged];
7887
7888     ignoredSwitch_ = [[[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)] autorelease];
7889     [ignoredSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
7890     [ignoredSwitch_ addTarget:self action:@selector(onIgnored:) forEvents:UIControlEventValueChanged];
7891
7892     subscribedCell_ = [[[UITableViewCell alloc] init] autorelease];
7893     [subscribedCell_ setText:UCLocalize("SHOW_ALL_CHANGES")];
7894     [subscribedCell_ setAccessoryView:subscribedSwitch_];
7895     [subscribedCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
7896
7897     ignoredCell_ = [[[UITableViewCell alloc] init] autorelease];
7898     [ignoredCell_ setText:UCLocalize("IGNORE_UPGRADES")];
7899     [ignoredCell_ setAccessoryView:ignoredSwitch_];
7900     [ignoredCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
7901 }
7902
7903 - (void) viewDidLoad {
7904     [super viewDidLoad];
7905
7906     [[self navigationItem] setTitle:UCLocalize("SETTINGS")];
7907 }
7908
7909 - (void) releaseSubviews {
7910     ignoredCell_ = nil;
7911     subscribedCell_ = nil;
7912     table_ = nil;
7913     ignoredSwitch_ = nil;
7914     subscribedSwitch_ = nil;
7915
7916     [super releaseSubviews];
7917 }
7918
7919 - (id) initWithDatabase:(Database *)database package:(NSString *)package {
7920     if ((self = [super init]) != nil) {
7921         database_ = database;
7922         name_ = package;
7923     } return self;
7924 }
7925
7926 - (void) reloadData {
7927     [super reloadData];
7928
7929     package_ = [database_ packageWithName:name_];
7930
7931     if (package_ != nil) {
7932         [subscribedSwitch_ setOn:([package_ subscribed] ? 1 : 0) animated:NO];
7933         [ignoredSwitch_ setOn:([package_ ignored] ? 1 : 0) animated:NO];
7934     } // XXX: what now, G?
7935
7936     [table_ reloadData];
7937 }
7938
7939 @end
7940 /* }}} */
7941
7942 /* Installed Controller {{{ */
7943 @interface InstalledController : FilteredPackageListController {
7944     BOOL expert_;
7945 }
7946
7947 - (id) initWithDatabase:(Database *)database;
7948
7949 - (void) updateRoleButton;
7950 - (void) queueStatusDidChange;
7951
7952 @end
7953
7954 @implementation InstalledController
7955
7956 - (NSURL *) navigationURL {
7957     return [NSURL URLWithString:@"cydia://installed"];
7958 }
7959
7960 - (id) initWithDatabase:(Database *)database {
7961     if ((self = [super initWithDatabase:database title:UCLocalize("INSTALLED") filter:@selector(isInstalledAndUnfiltered:) with:[NSNumber numberWithBool:YES]]) != nil) {
7962         [self updateRoleButton];
7963         [self queueStatusDidChange];
7964     } return self;
7965 }
7966
7967 #if !AlwaysReload
7968 - (void) queueButtonClicked {
7969     [delegate_ queue];
7970 }
7971 #endif
7972
7973 - (void) queueStatusDidChange {
7974 #if !AlwaysReload
7975     if (IsWildcat_) {
7976         if (Queuing_) {
7977             [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
7978                 initWithTitle:UCLocalize("QUEUE")
7979                 style:UIBarButtonItemStyleDone
7980                 target:self
7981                 action:@selector(queueButtonClicked)
7982             ] autorelease]];
7983         } else {
7984             [[self navigationItem] setLeftBarButtonItem:nil];
7985         }
7986     }
7987 #endif
7988 }
7989
7990 - (void) updateRoleButton {
7991     if (Role_ != nil && ![Role_ isEqualToString:@"Developer"])
7992         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
7993             initWithTitle:(expert_ ? UCLocalize("EXPERT") : UCLocalize("SIMPLE"))
7994             style:(expert_ ? UIBarButtonItemStyleDone : UIBarButtonItemStylePlain)
7995             target:self
7996             action:@selector(roleButtonClicked)
7997         ] autorelease]];
7998 }
7999
8000 - (void) roleButtonClicked {
8001     [self setObject:[NSNumber numberWithBool:expert_]];
8002     [self reloadData];
8003     expert_ = !expert_;
8004
8005     [self updateRoleButton];
8006 }
8007
8008 @end
8009 /* }}} */
8010
8011 /* Source Cell {{{ */
8012 @interface SourceCell : CyteTableViewCell <
8013     CyteTableViewCellDelegate
8014 > {
8015     _H<UIImage> icon_;
8016     _H<NSString> origin_;
8017     _H<NSString> label_;
8018 }
8019
8020 - (void) setSource:(Source *)source;
8021
8022 @end
8023
8024 @implementation SourceCell
8025
8026 - (void) _setImage:(UIImage *)image {
8027     icon_ = image;
8028     [content_ setNeedsDisplay];
8029 }
8030
8031 - (void) _setSource:(Source *)source {
8032     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
8033
8034     if (NSString *base = [source base])
8035         if ([base length] != 0) {
8036             NSURL *url([NSURL URLWithString:[base stringByAppendingString:@"CydiaIcon.png"]]);
8037
8038             if (NSData *data = [NSURLConnection
8039                 sendSynchronousRequest:[NSURLRequest
8040                     requestWithURL:url
8041                     //cachePolicy:NSURLRequestUseProtocolCachePolicy
8042                     //timeoutInterval:5
8043                 ]
8044
8045                 returningResponse:NULL
8046                 error:NULL
8047             ])
8048                 if (UIImage *image = [UIImage imageWithData:data])
8049                     [self performSelectorOnMainThread:@selector(_setImage:) withObject:image waitUntilDone:NO];
8050         }
8051
8052     [pool release];
8053 }
8054
8055 - (void) setSource:(Source *)source {
8056     icon_ = [UIImage applicationImageNamed:@"unknown.png"];
8057
8058     origin_ = [source name];
8059     label_ = [source uri];
8060
8061     [content_ setNeedsDisplay];
8062
8063     [NSThread detachNewThreadSelector:@selector(_setSource:) toTarget:self withObject:source];
8064 }
8065
8066 - (SourceCell *) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
8067     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
8068         UIView *content([self contentView]);
8069         CGRect bounds([content bounds]);
8070
8071         content_ = [[[CyteTableViewCellContentView alloc] initWithFrame:bounds] autorelease];
8072         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8073         [content_ setBackgroundColor:[UIColor whiteColor]];
8074         [content addSubview:content_];
8075
8076         [content_ setDelegate:self];
8077         [content_ setOpaque:YES];
8078
8079         [[content_ layer] setContentsGravity:kCAGravityTopLeft];
8080     } return self;
8081 }
8082
8083 - (NSString *) accessibilityLabel {
8084     return label_;
8085 }
8086
8087 - (void) drawContentRect:(CGRect)rect {
8088     bool highlighted(highlighted_);
8089     float width(rect.size.width);
8090
8091     if (icon_ != nil)
8092         [icon_ drawInRect:CGRectMake(10, 10, 30, 30)];
8093
8094     if (highlighted)
8095         UISetColor(White_);
8096
8097     if (!highlighted)
8098         UISetColor(Black_);
8099     [origin_ drawAtPoint:CGPointMake(48, 8) forWidth:(width - 60) withFont:Font18Bold_ lineBreakMode:UILineBreakModeTailTruncation];
8100
8101     if (!highlighted)
8102         UISetColor(Blue_);
8103     [label_ drawAtPoint:CGPointMake(58, 29) forWidth:(width - 75) withFont:Font12_ lineBreakMode:UILineBreakModeTailTruncation];
8104 }
8105
8106 @end
8107 /* }}} */
8108 /* Source Controller {{{ */
8109 @interface SourceController : FilteredPackageListController {
8110     _transient Source *source_;
8111     _H<NSString> key_;
8112 }
8113
8114 - (id) initWithDatabase:(Database *)database source:(Source *)source;
8115
8116 @end
8117
8118 @implementation SourceController
8119
8120 - (NSURL *) navigationURL {
8121     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sources/%@", [key_ stringByAddingPercentEscapesIncludingReserved]]];
8122 }
8123
8124 - (id) initWithDatabase:(Database *)database source:(Source *)source {
8125     if ((self = [super initWithDatabase:database title:[source label] filter:@selector(isVisibleInSource:) with:source]) != nil) {
8126         source_ = source;
8127         key_ = [source key];
8128     } return self;
8129 }
8130
8131 - (void) reloadData {
8132     source_ = [database_ sourceWithKey:key_];
8133     key_ = [source_ key];
8134     [self setObject:source_];
8135
8136     [[self navigationItem] setTitle:[source_ label]];
8137
8138     [super reloadData];
8139 }
8140
8141 @end
8142 /* }}} */
8143 /* Sources Controller {{{ */
8144 @interface SourcesController : CyteViewController <
8145     UITableViewDataSource,
8146     UITableViewDelegate
8147 > {
8148     _transient Database *database_;
8149     _H<UITableView, 2> list_;
8150     _H<NSMutableArray> sources_;
8151     int offset_;
8152
8153     _H<NSString> href_;
8154     _H<UIProgressHUD> hud_;
8155     _H<NSError> error_;
8156
8157     //NSURLConnection *installer_;
8158     NSURLConnection *trivial_;
8159     NSURLConnection *trivial_bz2_;
8160     NSURLConnection *trivial_gz_;
8161     //NSURLConnection *automatic_;
8162
8163     BOOL cydia_;
8164 }
8165
8166 - (id) initWithDatabase:(Database *)database;
8167 - (void) updateButtonsForEditingStatus:(BOOL)editing animated:(BOOL)animated;
8168
8169 @end
8170
8171 @implementation SourcesController
8172
8173 - (void) _releaseConnection:(NSURLConnection *)connection {
8174     if (connection != nil) {
8175         [connection cancel];
8176         //[connection setDelegate:nil];
8177         [connection release];
8178     }
8179 }
8180
8181 - (void) dealloc {
8182     //[self _releaseConnection:installer_];
8183     [self _releaseConnection:trivial_];
8184     [self _releaseConnection:trivial_gz_];
8185     [self _releaseConnection:trivial_bz2_];
8186     //[self _releaseConnection:automatic_];
8187
8188     [super dealloc];
8189 }
8190
8191 - (NSURL *) navigationURL {
8192     return [NSURL URLWithString:@"cydia://sources"];
8193 }
8194
8195 - (void) viewDidAppear:(BOOL)animated {
8196     [super viewDidAppear:animated];
8197     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
8198 }
8199
8200 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
8201     return offset_ == 0 ? 1 : 2;
8202 }
8203
8204 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
8205     switch (section + (offset_ == 0 ? 1 : 0)) {
8206         case 0: return UCLocalize("ENTERED_BY_USER");
8207         case 1: return UCLocalize("INSTALLED_BY_PACKAGE");
8208
8209         _nodefault
8210     }
8211 }
8212
8213 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
8214     int count = [sources_ count];
8215     switch (section) {
8216         case 0: return (offset_ == 0 ? count : offset_);
8217         case 1: return count - offset_;
8218
8219         _nodefault
8220     }
8221 }
8222
8223 - (Source *) sourceAtIndexPath:(NSIndexPath *)indexPath {
8224     unsigned idx = 0;
8225     switch (indexPath.section) {
8226         case 0: idx = indexPath.row; break;
8227         case 1: idx = indexPath.row + offset_; break;
8228
8229         _nodefault
8230     }
8231     return [sources_ objectAtIndex:idx];
8232 }
8233
8234 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
8235     static NSString *cellIdentifier = @"SourceCell";
8236
8237     SourceCell *cell = (SourceCell *) [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
8238     if(cell == nil) cell = [[[SourceCell alloc] initWithFrame:CGRectZero reuseIdentifier:cellIdentifier] autorelease];
8239     [cell setSource:[self sourceAtIndexPath:indexPath]];
8240     [cell setAccessoryType:UITableViewCellAccessoryDisclosureIndicator];
8241
8242     return cell;
8243 }
8244
8245 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
8246     Source *source = [self sourceAtIndexPath:indexPath];
8247
8248     SourceController *controller = [[[SourceController alloc]
8249         initWithDatabase:database_
8250         source:source
8251     ] autorelease];
8252
8253     [controller setDelegate:delegate_];
8254
8255     [[self navigationController] pushViewController:controller animated:YES];
8256 }
8257
8258 - (BOOL) tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
8259     Source *source = [self sourceAtIndexPath:indexPath];
8260     return [source record] != nil;
8261 }
8262
8263 - (void) tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
8264     if (editingStyle ==  UITableViewCellEditingStyleDelete) {
8265         Source *source = [self sourceAtIndexPath:indexPath];
8266         [Sources_ removeObjectForKey:[source key]];
8267         [delegate_ syncData];
8268     }
8269 }
8270
8271 - (void) complete {
8272     [delegate_ addTrivialSource:href_];
8273     [delegate_ syncData];
8274 }
8275
8276 - (NSString *) getWarning {
8277     NSString *href(href_);
8278     NSRange colon([href rangeOfString:@"://"]);
8279     if (colon.location != NSNotFound)
8280         href = [href substringFromIndex:(colon.location + 3)];
8281     href = [href stringByAddingPercentEscapes];
8282     href = [CydiaURL(@"api/repotag/") stringByAppendingString:href];
8283     href = [href stringByCachingURLWithCurrentCDN];
8284
8285     NSURL *url([NSURL URLWithString:href]);
8286
8287     NSStringEncoding encoding;
8288     NSError *error(nil);
8289
8290     if (NSString *warning = [NSString stringWithContentsOfURL:url usedEncoding:&encoding error:&error])
8291         return [warning length] == 0 ? nil : warning;
8292     return nil;
8293 }
8294
8295 - (void) _endConnection:(NSURLConnection *)connection {
8296     // XXX: the memory management in this method is horribly awkward
8297
8298     NSURLConnection **field = NULL;
8299     if (connection == trivial_)
8300         field = &trivial_;
8301     else if (connection == trivial_bz2_)
8302         field = &trivial_bz2_;
8303     else if (connection == trivial_gz_)
8304         field = &trivial_gz_;
8305     _assert(field != NULL);
8306     [connection release];
8307     *field = nil;
8308
8309     if (
8310         trivial_ == nil &&
8311         trivial_bz2_ == nil &&
8312         trivial_gz_ == nil
8313     ) {
8314         [delegate_ releaseNetworkActivityIndicator];
8315
8316         [delegate_ removeProgressHUD:hud_];
8317         hud_ = nil;
8318
8319         bool defer(false);
8320
8321         if (cydia_) {
8322             if (NSString *warning = [self yieldToSelector:@selector(getWarning)]) {
8323                 defer = true;
8324
8325                 UIAlertView *alert = [[[UIAlertView alloc]
8326                     initWithTitle:UCLocalize("SOURCE_WARNING")
8327                     message:warning
8328                     delegate:self
8329                     cancelButtonTitle:UCLocalize("CANCEL")
8330                     otherButtonTitles:
8331                         UCLocalize("ADD_ANYWAY"),
8332                     nil
8333                 ] autorelease];
8334
8335                 [alert setContext:@"warning"];
8336                 [alert setNumberOfRows:1];
8337                 [alert show];
8338             } else
8339                 [self complete];
8340         } else if (error_ != nil) {
8341             UIAlertView *alert = [[[UIAlertView alloc]
8342                 initWithTitle:UCLocalize("VERIFICATION_ERROR")
8343                 message:[error_ localizedDescription]
8344                 delegate:self
8345                 cancelButtonTitle:UCLocalize("OK")
8346                 otherButtonTitles:nil
8347             ] autorelease];
8348
8349             [alert setContext:@"urlerror"];
8350             [alert show];
8351         } else {
8352             UIAlertView *alert = [[[UIAlertView alloc]
8353                 initWithTitle:UCLocalize("NOT_REPOSITORY")
8354                 message:UCLocalize("NOT_REPOSITORY_EX")
8355                 delegate:self
8356                 cancelButtonTitle:UCLocalize("OK")
8357                 otherButtonTitles:nil
8358             ] autorelease];
8359
8360             [alert setContext:@"trivial"];
8361             [alert show];
8362         }
8363
8364         href_ = nil;
8365         error_ = nil;
8366     }
8367 }
8368
8369 - (void) connection:(NSURLConnection *)connection didReceiveResponse:(NSHTTPURLResponse *)response {
8370     switch ([response statusCode]) {
8371         case 200:
8372             cydia_ = YES;
8373     }
8374 }
8375
8376 - (void) connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
8377     lprintf("connection:\"%s\" didFailWithError:\"%s\"", [href_ UTF8String], [[error localizedDescription] UTF8String]);
8378     error_ = error;
8379     [self _endConnection:connection];
8380 }
8381
8382 - (void) connectionDidFinishLoading:(NSURLConnection *)connection {
8383     [self _endConnection:connection];
8384 }
8385
8386 - (NSURLConnection *) _requestHRef:(NSString *)href method:(NSString *)method {
8387     NSURL *url([NSURL URLWithString:href]);
8388
8389     NSMutableURLRequest *request = [NSMutableURLRequest
8390         requestWithURL:url
8391         cachePolicy:NSURLRequestUseProtocolCachePolicy
8392         timeoutInterval:120.0
8393     ];
8394
8395     [request setHTTPMethod:method];
8396
8397     if (Machine_ != NULL)
8398         [request setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
8399
8400     if ([url isCydiaSecure]) {
8401         if (UniqueID_ != nil)
8402             [request setValue:UniqueID_ forHTTPHeaderField:@"X-Unique-ID"];
8403     }
8404
8405     return [[[NSURLConnection alloc] initWithRequest:request delegate:self] autorelease];
8406 }
8407
8408 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
8409     NSString *context([alert context]);
8410
8411     if ([context isEqualToString:@"source"]) {
8412         switch (button) {
8413             case 1: {
8414                 NSString *href = [[alert textField] text];
8415
8416                 //installer_ = [[self _requestHRef:href method:@"GET"] retain];
8417
8418                 if (![href hasSuffix:@"/"])
8419                     href_ = [href stringByAppendingString:@"/"];
8420                 else
8421                     href_ = href;
8422
8423                 trivial_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages"] method:@"HEAD"] retain];
8424                 trivial_bz2_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.bz2"] method:@"HEAD"] retain];
8425                 trivial_gz_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.gz"] method:@"HEAD"] retain];
8426                 //trivial_bz2_ = [[self _requestHRef:[href stringByAppendingString:@"dists/Release"] method:@"HEAD"] retain];
8427
8428                 cydia_ = false;
8429
8430                 // XXX: this is stupid
8431                 hud_ = [delegate_ addProgressHUD];
8432                 [hud_ setText:UCLocalize("VERIFYING_URL")];
8433                 [delegate_ retainNetworkActivityIndicator];
8434             } break;
8435
8436             case 0:
8437             break;
8438
8439             _nodefault
8440         }
8441
8442         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8443     } else if ([context isEqualToString:@"trivial"])
8444         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8445     else if ([context isEqualToString:@"urlerror"])
8446         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8447     else if ([context isEqualToString:@"warning"]) {
8448         switch (button) {
8449             case 1:
8450                 [self complete];
8451             break;
8452
8453             case 0:
8454             break;
8455
8456             _nodefault
8457         }
8458
8459         href_ = nil;
8460
8461         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8462     }
8463 }
8464
8465 - (void) loadView {
8466     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8467
8468     list_ = [[[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain] autorelease];
8469     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8470     [list_ setRowHeight:53];
8471     [(UITableView *) list_ setDataSource:self];
8472     [list_ setDelegate:self];
8473     [[self view] addSubview:list_];
8474 }
8475
8476 - (void) viewDidLoad {
8477     [super viewDidLoad];
8478
8479     [[self navigationItem] setTitle:UCLocalize("SOURCES")];
8480     [self updateButtonsForEditingStatus:NO animated:NO];
8481 }
8482
8483 - (void) releaseSubviews {
8484     list_ = nil;
8485
8486     sources_ = nil;
8487
8488     [super releaseSubviews];
8489 }
8490
8491 - (id) initWithDatabase:(Database *)database {
8492     if ((self = [super init]) != nil) {
8493         database_ = database;
8494     } return self;
8495 }
8496
8497 - (void) reloadData {
8498     [super reloadData];
8499
8500     pkgSourceList list;
8501     if ([database_ popErrorWithTitle:UCLocalize("SOURCES") forOperation:list.ReadMainList()])
8502         return;
8503
8504     sources_ = [NSMutableArray arrayWithCapacity:16];
8505     [sources_ addObjectsFromArray:[database_ sources]];
8506     _trace();
8507     [sources_ sortUsingSelector:@selector(compareByNameAndType:)];
8508     _trace();
8509
8510     int count([sources_ count]);
8511     offset_ = 0;
8512     for (int i = 0; i != count; i++) {
8513         if ([[sources_ objectAtIndex:i] record] == nil)
8514             break;
8515         offset_++;
8516     }
8517
8518     [list_ setEditing:NO];
8519     [self updateButtonsForEditingStatus:NO animated:NO];
8520     [list_ reloadData];
8521 }
8522
8523 - (void) showAddSourcePrompt {
8524     UIAlertView *alert = [[[UIAlertView alloc]
8525         initWithTitle:UCLocalize("ENTER_APT_URL")
8526         message:nil
8527         delegate:self
8528         cancelButtonTitle:UCLocalize("CANCEL")
8529         otherButtonTitles:
8530             UCLocalize("ADD_SOURCE"),
8531         nil
8532     ] autorelease];
8533
8534     [alert setContext:@"source"];
8535
8536     [alert setNumberOfRows:1];
8537     [alert addTextFieldWithValue:@"http://" label:@""];
8538
8539     UITextInputTraits *traits = [[alert textField] textInputTraits];
8540     [traits setAutocapitalizationType:UITextAutocapitalizationTypeNone];
8541     [traits setAutocorrectionType:UITextAutocorrectionTypeNo];
8542     [traits setKeyboardType:UIKeyboardTypeURL];
8543     // XXX: UIReturnKeyDone
8544     [traits setReturnKeyType:UIReturnKeyNext];
8545
8546     [alert show];
8547 }
8548
8549 - (void) addButtonClicked {
8550     [self showAddSourcePrompt];
8551 }
8552
8553 - (void) updateButtonsForEditingStatus:(BOOL)editing animated:(BOOL)animated {
8554     [[self navigationItem] setLeftBarButtonItem:(editing ? [[[UIBarButtonItem alloc]
8555         initWithTitle:UCLocalize("ADD")
8556         style:UIBarButtonItemStylePlain
8557         target:self
8558         action:@selector(addButtonClicked)
8559     ] autorelease] : [[self navigationItem] backBarButtonItem]) animated:animated];
8560
8561     [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8562         initWithTitle:(editing ? UCLocalize("DONE") : UCLocalize("EDIT"))
8563         style:(editing ? UIBarButtonItemStyleDone : UIBarButtonItemStylePlain)
8564         target:self
8565         action:@selector(editButtonClicked)
8566     ] autorelease] animated:animated];
8567
8568     if (IsWildcat_ && !editing)
8569         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
8570             initWithTitle:UCLocalize("SETTINGS")
8571             style:UIBarButtonItemStylePlain
8572             target:self
8573             action:@selector(settingsButtonClicked)
8574         ] autorelease]];
8575 }
8576
8577 - (void) settingsButtonClicked {
8578     [delegate_ showSettings];
8579 }
8580
8581 - (void) editButtonClicked {
8582     [list_ setEditing:![list_ isEditing] animated:YES];
8583
8584     [self updateButtonsForEditingStatus:[list_ isEditing] animated:YES];
8585 }
8586
8587 @end
8588 /* }}} */
8589
8590 /* Settings Controller {{{ */
8591 @interface SettingsController : CyteViewController <
8592     UITableViewDataSource,
8593     UITableViewDelegate
8594 > {
8595     _transient Database *database_;
8596     // XXX: ok, "roledelegate_"?...
8597     _transient id roledelegate_;
8598     _H<UITableView, 2> table_;
8599     _H<UISegmentedControl> segment_;
8600     _H<UIView> container_;
8601 }
8602
8603 - (void) showDoneButton;
8604 - (void) resizeSegmentedControl;
8605
8606 @end
8607
8608 @implementation SettingsController
8609
8610 - (void) loadView {
8611     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8612
8613     table_ = [[[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped] autorelease];
8614     [table_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8615     [table_ setDelegate:self];
8616     [(UITableView *) table_ setDataSource:self];
8617     [[self view] addSubview:table_];
8618
8619     NSArray *items = [NSArray arrayWithObjects:
8620         UCLocalize("USER"),
8621         UCLocalize("HACKER"),
8622         UCLocalize("DEVELOPER"),
8623     nil];
8624     segment_ = [[[UISegmentedControl alloc] initWithItems:items] autorelease];
8625     container_ = [[[UIView alloc] initWithFrame:CGRectMake(0, 0, [[self view] frame].size.width, 44.0f)] autorelease];
8626     [container_ addSubview:segment_];
8627 }
8628
8629 - (void) viewDidLoad {
8630     [super viewDidLoad];
8631
8632     [[self navigationItem] setTitle:UCLocalize("WHO_ARE_YOU")];
8633
8634     int index = -1;
8635     if ([Role_ isEqualToString:@"User"]) index = 0;
8636     if ([Role_ isEqualToString:@"Hacker"]) index = 1;
8637     if ([Role_ isEqualToString:@"Developer"]) index = 2;
8638     if (index != -1) {
8639         [segment_ setSelectedSegmentIndex:index];
8640         [self showDoneButton];
8641     }
8642
8643     [segment_ addTarget:self action:@selector(segmentChanged:) forControlEvents:UIControlEventValueChanged];
8644     [self resizeSegmentedControl];
8645 }
8646
8647 - (void) releaseSubviews {
8648     table_ = nil;
8649     segment_ = nil;
8650     container_ = nil;
8651
8652     [super releaseSubviews];
8653 }
8654
8655 - (id) initWithDatabase:(Database *)database delegate:(id)delegate {
8656     if ((self = [super init]) != nil) {
8657         database_ = database;
8658         roledelegate_ = delegate;
8659     } return self;
8660 }
8661
8662 - (void) resizeSegmentedControl {
8663     CGFloat width = [[self view] frame].size.width;
8664     [segment_ setFrame:CGRectMake(width / 32.0f, 0, width - (width / 32.0f * 2.0f), 44.0f)];
8665 }
8666
8667 - (void) viewWillAppear:(BOOL)animated {
8668     [super viewWillAppear:animated];
8669
8670     [self resizeSegmentedControl];
8671 }
8672
8673 - (void) willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation duration:(NSTimeInterval)duration {
8674     [self resizeSegmentedControl];
8675 }
8676
8677 - (void) didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
8678     [self resizeSegmentedControl];
8679 }
8680
8681 - (void) save {
8682     NSString *role(nil);
8683
8684     switch ([segment_ selectedSegmentIndex]) {
8685         case 0: role = @"User"; break;
8686         case 1: role = @"Hacker"; break;
8687         case 2: role = @"Developer"; break;
8688
8689         _nodefault
8690     }
8691
8692     if (![role isEqualToString:Role_]) {
8693         bool rolling(Role_ == nil);
8694         Role_ = role;
8695
8696         Settings_ = [NSMutableDictionary dictionaryWithObjectsAndKeys:
8697             Role_, @"Role",
8698         nil];
8699
8700         [Metadata_ setObject:Settings_ forKey:@"Settings"];
8701         Changed_ = true;
8702
8703         if (rolling)
8704             [roledelegate_ loadData];
8705         else
8706             [roledelegate_ updateData];
8707     }
8708 }
8709
8710 - (void) segmentChanged:(UISegmentedControl *)control {
8711     [self showDoneButton];
8712 }
8713
8714 - (void) saveAndClose {
8715     [self save];
8716
8717     [[self navigationItem] setRightBarButtonItem:nil];
8718     [[self navigationController] dismissModalViewControllerAnimated:YES];
8719 }
8720
8721 - (void) doneButtonClicked {
8722     UIActivityIndicatorView *spinner = [[[UIActivityIndicatorView alloc] initWithFrame:CGRectMake(0, 0, 20.0f, 20.0f)] autorelease];
8723     [spinner startAnimating];
8724     UIBarButtonItem *spinItem = [[[UIBarButtonItem alloc] initWithCustomView:spinner] autorelease];
8725     [[self navigationItem] setRightBarButtonItem:spinItem];
8726
8727     [self performSelector:@selector(saveAndClose) withObject:nil afterDelay:0];
8728 }
8729
8730 - (void) showDoneButton {
8731     [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8732         initWithTitle:UCLocalize("DONE")
8733         style:UIBarButtonItemStyleDone
8734         target:self
8735         action:@selector(doneButtonClicked)
8736     ] autorelease] animated:([[self navigationItem] rightBarButtonItem] == nil)];
8737 }
8738
8739 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
8740     // XXX: For not having a single cell in the table, this sure is a lot of sections.
8741     return 6;
8742 }
8743
8744 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
8745     return 0; // :(
8746 }
8747
8748 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
8749     return nil; // This method is required by the protocol.
8750 }
8751
8752 - (NSString *) tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
8753     if (section == 1)
8754         return UCLocalize("ROLE_EX");
8755     if (section == 4)
8756         return [NSString stringWithFormat:
8757             @"%@: %@\n%@: %@\n%@: %@",
8758             UCLocalize("USER"), UCLocalize("USER_EX"),
8759             UCLocalize("HACKER"), UCLocalize("HACKER_EX"),
8760             UCLocalize("DEVELOPER"), UCLocalize("DEVELOPER_EX")
8761         ];
8762     else return nil;
8763 }
8764
8765 - (CGFloat) tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section {
8766     return section == 3 ? 44.0f : 0;
8767 }
8768
8769 - (UIView *) tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
8770     return section == 3 ? container_ : nil;
8771 }
8772
8773 - (void) reloadData {
8774     [super reloadData];
8775
8776     [table_ reloadData];
8777 }
8778
8779 @end
8780 /* }}} */
8781 /* Stash Controller {{{ */
8782 @interface StashController : CyteViewController {
8783     _H<UIActivityIndicatorView> spinner_;
8784     _H<UILabel> status_;
8785     _H<UILabel> caption_;
8786 }
8787
8788 @end
8789
8790 @implementation StashController
8791
8792 - (void) loadView {
8793     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8794     [[self view] setBackgroundColor:[UIColor viewFlipsideBackgroundColor]];
8795
8796     spinner_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge] autorelease];
8797     CGRect spinrect = [spinner_ frame];
8798     spinrect.origin.x = ([[self view] frame].size.width / 2) - (spinrect.size.width / 2);
8799     spinrect.origin.y = [[self view] frame].size.height - 80.0f;
8800     [spinner_ setFrame:spinrect];
8801     [spinner_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin];
8802     [[self view] addSubview:spinner_];
8803     [spinner_ startAnimating];
8804
8805     CGRect captrect;
8806     captrect.size.width = [[self view] frame].size.width;
8807     captrect.size.height = 40.0f;
8808     captrect.origin.x = 0;
8809     captrect.origin.y = ([[self view] frame].size.height / 2) - (captrect.size.height * 2);
8810     caption_ = [[[UILabel alloc] initWithFrame:captrect] autorelease];
8811     [caption_ setText:UCLocalize("PREPARING_FILESYSTEM")];
8812     [caption_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8813     [caption_ setFont:[UIFont boldSystemFontOfSize:28.0f]];
8814     [caption_ setTextColor:[UIColor whiteColor]];
8815     [caption_ setBackgroundColor:[UIColor clearColor]];
8816     [caption_ setShadowColor:[UIColor blackColor]];
8817     [caption_ setTextAlignment:UITextAlignmentCenter];
8818     [[self view] addSubview:caption_];
8819
8820     CGRect statusrect;
8821     statusrect.size.width = [[self view] frame].size.width;
8822     statusrect.size.height = 30.0f;
8823     statusrect.origin.x = 0;
8824     statusrect.origin.y = ([[self view] frame].size.height / 2) - statusrect.size.height;
8825     status_ = [[[UILabel alloc] initWithFrame:statusrect] autorelease];
8826     [status_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8827     [status_ setText:UCLocalize("EXIT_WHEN_COMPLETE")];
8828     [status_ setFont:[UIFont systemFontOfSize:16.0f]];
8829     [status_ setTextColor:[UIColor whiteColor]];
8830     [status_ setBackgroundColor:[UIColor clearColor]];
8831     [status_ setShadowColor:[UIColor blackColor]];
8832     [status_ setTextAlignment:UITextAlignmentCenter];
8833     [[self view] addSubview:status_];
8834 }
8835
8836 - (void) releaseSubviews {
8837     spinner_ = nil;
8838     status_ = nil;
8839     caption_ = nil;
8840
8841     [super releaseSubviews];
8842 }
8843
8844 @end
8845 /* }}} */
8846
8847 @interface CYURLCache : SDURLCache {
8848 }
8849
8850 @end
8851
8852 @implementation CYURLCache
8853
8854 - (void) logEvent:(NSString *)event forRequest:(NSURLRequest *)request {
8855 #if !ForRelease
8856     if (false);
8857     else if ([event isEqualToString:@"no-cache"])
8858         event = @"!!!";
8859     else if ([event isEqualToString:@"store"])
8860         event = @">>>";
8861     else if ([event isEqualToString:@"invalid"])
8862         event = @"???";
8863     else if ([event isEqualToString:@"memory"])
8864         event = @"mem";
8865     else if ([event isEqualToString:@"disk"])
8866         event = @"ssd";
8867     else if ([event isEqualToString:@"miss"])
8868         event = @"---";
8869
8870     NSLog(@"%@: %@", event, [[request URL] absoluteString]);
8871 #endif
8872 }
8873
8874 - (void) storeCachedResponse:(NSCachedURLResponse *)cached forRequest:(NSURLRequest *)request {
8875     if (NSURLResponse *response = [cached response])
8876         if (NSString *mime = [response MIMEType])
8877             if ([mime isEqualToString:@"text/cache-manifest"]) {
8878                 NSURL *url([response URL]);
8879
8880 #if !ForRelease
8881                 NSLog(@"###: %@", [url absoluteString]);
8882 #endif
8883
8884                 @synchronized (HostConfig_) {
8885                     [CachedURLs_ addObject:url];
8886                 }
8887             }
8888
8889     [super storeCachedResponse:cached forRequest:request];
8890 }
8891
8892 @end
8893
8894 @interface Cydia : UIApplication <
8895     ConfirmationControllerDelegate,
8896     DatabaseDelegate,
8897     CydiaDelegate,
8898     UINavigationControllerDelegate,
8899     UITabBarControllerDelegate
8900 > {
8901     _H<UIWindow> window_;
8902     _H<CYTabBarController> tabbar_;
8903     _H<CydiaLoadingViewController> emulated_;
8904
8905     _H<NSMutableArray> essential_;
8906     _H<NSMutableArray> broken_;
8907
8908     Database *database_;
8909
8910     _H<NSURL> starturl_;
8911
8912     unsigned locked_;
8913     unsigned activity_;
8914
8915     _H<StashController> stash_;
8916
8917     bool loaded_;
8918 }
8919
8920 - (void) loadData;
8921
8922 @end
8923
8924 @implementation Cydia
8925
8926 - (void) beginUpdate {
8927     [tabbar_ beginUpdate];
8928 }
8929
8930 - (BOOL) updating {
8931     return [tabbar_ updating];
8932 }
8933
8934 - (void) _loaded {
8935     if ([broken_ count] != 0) {
8936         int count = [broken_ count];
8937
8938         UIAlertView *alert = [[[UIAlertView alloc]
8939             initWithTitle:(count == 1 ? UCLocalize("HALFINSTALLED_PACKAGE") : [NSString stringWithFormat:UCLocalize("HALFINSTALLED_PACKAGES"), count])
8940             message:UCLocalize("HALFINSTALLED_PACKAGE_EX")
8941             delegate:self
8942             cancelButtonTitle:UCLocalize("FORCIBLY_CLEAR")
8943             otherButtonTitles:
8944                 UCLocalize("TEMPORARY_IGNORE"),
8945             nil
8946         ] autorelease];
8947
8948         [alert setContext:@"fixhalf"];
8949         [alert setNumberOfRows:2];
8950         [alert show];
8951     } else if (!Ignored_ && [essential_ count] != 0) {
8952         int count = [essential_ count];
8953
8954         UIAlertView *alert = [[[UIAlertView alloc]
8955             initWithTitle:(count == 1 ? UCLocalize("ESSENTIAL_UPGRADE") : [NSString stringWithFormat:UCLocalize("ESSENTIAL_UPGRADES"), count])
8956             message:UCLocalize("ESSENTIAL_UPGRADE_EX")
8957             delegate:self
8958             cancelButtonTitle:UCLocalize("TEMPORARY_IGNORE")
8959             otherButtonTitles:
8960                 UCLocalize("UPGRADE_ESSENTIAL"),
8961                 UCLocalize("COMPLETE_UPGRADE"),
8962             nil
8963         ] autorelease];
8964
8965         [alert setContext:@"upgrade"];
8966         [alert show];
8967     }
8968 }
8969
8970 - (void) returnToCydia {
8971     [self _loaded];
8972 }
8973
8974 - (void) _saveConfig {
8975     _trace();
8976     MetaFile_.Sync();
8977     _trace();
8978
8979     if (Changed_) {
8980         NSString *error(nil);
8981
8982         if (NSData *data = [NSPropertyListSerialization dataFromPropertyList:Metadata_ format:NSPropertyListBinaryFormat_v1_0 errorDescription:&error]) {
8983             _trace();
8984             NSError *error(nil);
8985             if (![data writeToFile:@"/var/lib/cydia/metadata.plist" options:NSAtomicWrite error:&error])
8986                 NSLog(@"failure to save metadata data: %@", error);
8987             _trace();
8988
8989             Changed_ = false;
8990         } else {
8991             NSLog(@"failure to serialize metadata: %@", error);
8992         }
8993     }
8994
8995     WriteSources();
8996 }
8997
8998 // Navigation controller for the queuing badge.
8999 - (UINavigationController *) queueNavigationController {
9000     NSArray *controllers = [tabbar_ viewControllers];
9001     return [controllers objectAtIndex:3];
9002 }
9003
9004 - (void) unloadData {
9005     [tabbar_ unloadData];
9006 }
9007
9008 - (void) _updateData {
9009     [self _saveConfig];
9010     [self unloadData];
9011
9012     UINavigationController *navigation = [self queueNavigationController];
9013
9014     id queuedelegate = nil;
9015     if ([[navigation viewControllers] count] > 0)
9016         queuedelegate = [[navigation viewControllers] objectAtIndex:0];
9017
9018     [queuedelegate queueStatusDidChange];
9019     [[navigation tabBarItem] setBadgeValue:(Queuing_ ? UCLocalize("Q_D") : nil)];
9020 }
9021
9022 - (void) _refreshIfPossible:(NSDate *)update {
9023     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
9024
9025     bool recently = false;
9026     if (update != nil) {
9027         NSTimeInterval interval([update timeIntervalSinceNow]);
9028         if (interval <= 0 && interval > -(15*60))
9029             recently = true;
9030     }
9031
9032     // Don't automatic refresh if:
9033     //  - We already refreshed recently.
9034     //  - We already auto-refreshed this launch.
9035     //  - Auto-refresh is disabled.
9036     if (recently || loaded_ || ManualRefresh) {
9037         // If we are cancelling, we need to make sure it knows it's already loaded.
9038         loaded_ = true;
9039
9040         [self performSelectorOnMainThread:@selector(_loaded) withObject:nil waitUntilDone:NO];
9041     } else {
9042         // We are going to load, so remember that.
9043         loaded_ = true;
9044
9045         SCNetworkReachabilityFlags flags; {
9046             SCNetworkReachabilityRef reachability(SCNetworkReachabilityCreateWithName(NULL, "cydia.saurik.com"));
9047             SCNetworkReachabilityGetFlags(reachability, &flags);
9048             CFRelease(reachability);
9049         }
9050
9051         // XXX: this elaborate mess is what Apple is using to determine this? :(
9052         // XXX: do we care if the user has to intervene? maybe that's ok?
9053         bool reachable(
9054             (flags & kSCNetworkReachabilityFlagsReachable) != 0 && (
9055                 (flags & kSCNetworkReachabilityFlagsConnectionRequired) == 0 || (
9056                     (flags & kSCNetworkReachabilityFlagsConnectionOnDemand) != 0 ||
9057                     (flags & kSCNetworkReachabilityFlagsConnectionOnTraffic) != 0
9058                 ) && (flags & kSCNetworkReachabilityFlagsInterventionRequired) == 0 ||
9059                 (flags & kSCNetworkReachabilityFlagsIsWWAN) != 0
9060             )
9061         );
9062
9063         // If we can reach the server, auto-refresh!
9064         if (reachable)
9065             [tabbar_ performSelectorOnMainThread:@selector(setUpdate:) withObject:update waitUntilDone:NO];
9066     }
9067
9068     [pool release];
9069 }
9070
9071 - (void) refreshIfPossible {
9072     [NSThread detachNewThreadSelector:@selector(_refreshIfPossible:) toTarget:self withObject:[Metadata_ objectForKey:@"LastUpdate"]];
9073 }
9074
9075 - (void) reloadDataWithInvocation:(NSInvocation *)invocation {
9076 @synchronized (self) {
9077     UIProgressHUD *hud(loaded_ ? [self addProgressHUD] : nil);
9078     [hud setText:UCLocalize("RELOADING_DATA")];
9079
9080     [database_ yieldToSelector:@selector(reloadDataWithInvocation:) withObject:invocation];
9081
9082     if (hud != nil)
9083         [self removeProgressHUD:hud];
9084
9085     size_t changes(0);
9086
9087     [essential_ removeAllObjects];
9088     [broken_ removeAllObjects];
9089
9090     NSArray *packages([database_ packages]);
9091     for (Package *package in packages) {
9092         if ([package half])
9093             [broken_ addObject:package];
9094         if ([package upgradableAndEssential:NO]) {
9095             if ([package essential])
9096                 [essential_ addObject:package];
9097             ++changes;
9098         }
9099     }
9100
9101     UITabBarItem *changesItem = [[[tabbar_ viewControllers] objectAtIndex:2] tabBarItem];
9102     if (changes != 0) {
9103         _trace();
9104         NSString *badge([[NSNumber numberWithInt:changes] stringValue]);
9105         [changesItem setBadgeValue:badge];
9106         [changesItem setAnimatedBadge:([essential_ count] > 0)];
9107         [self setApplicationIconBadgeNumber:changes];
9108     } else {
9109         _trace();
9110         [changesItem setBadgeValue:nil];
9111         [changesItem setAnimatedBadge:NO];
9112         [self setApplicationIconBadgeNumber:0];
9113     }
9114
9115     [self _updateData];
9116 } }
9117
9118 - (void) updateData {
9119     [self _updateData];
9120 }
9121
9122 - (void) update_ {
9123     [database_ update];
9124     [self performSelectorOnMainThread:@selector(reloadData) withObject:nil waitUntilDone:YES];
9125 }
9126
9127 - (void) disemulate {
9128     if (emulated_ == nil)
9129         return;
9130
9131     [window_ addSubview:[tabbar_ view]];
9132     [[emulated_ view] removeFromSuperview];
9133     emulated_ = nil;
9134     [window_ setUserInteractionEnabled:YES];
9135 }
9136
9137 - (void) presentModalViewController:(UIViewController *)controller force:(BOOL)force {
9138     UINavigationController *navigation([[[UINavigationController alloc] initWithRootViewController:controller] autorelease]);
9139     if (IsWildcat_)
9140         [navigation setModalPresentationStyle:UIModalPresentationFormSheet];
9141
9142     UIViewController *parent;
9143     if (emulated_ == nil)
9144         parent = tabbar_;
9145     else if (!force)
9146         parent = emulated_;
9147     else {
9148         [self disemulate];
9149         parent = tabbar_;
9150     }
9151
9152     [parent presentModalViewController:navigation animated:YES];
9153 }
9154
9155 - (ProgressController *) invokeNewProgress:(NSInvocation *)invocation forController:(UINavigationController *)navigation withTitle:(NSString *)title {
9156     ProgressController *progress([[[ProgressController alloc] initWithDatabase:database_ delegate:self] autorelease]);
9157
9158     if (navigation != nil)
9159         [navigation pushViewController:progress animated:YES];
9160     else
9161         [self presentModalViewController:progress force:YES];
9162
9163     [progress invoke:invocation withTitle:title];
9164     return progress;
9165 }
9166
9167 - (void) detachNewProgressSelector:(SEL)selector toTarget:(id)target forController:(UINavigationController *)navigation title:(NSString *)title {
9168     [self invokeNewProgress:[NSInvocation invocationWithSelector:selector forTarget:target] forController:navigation withTitle:title];
9169 }
9170
9171 - (void) repairWithInvocation:(NSInvocation *)invocation {
9172     _trace();
9173     [self invokeNewProgress:invocation forController:nil withTitle:@"REPAIRING"];
9174     _trace();
9175 }
9176
9177 - (void) repairWithSelector:(SEL)selector {
9178     [self performSelectorOnMainThread:@selector(repairWithInvocation:) withObject:[NSInvocation invocationWithSelector:selector forTarget:database_] waitUntilDone:YES];
9179 }
9180
9181 - (void) reloadData {
9182     [self reloadDataWithInvocation:nil];
9183     if ([database_ progressDelegate] == nil)
9184         [self _loaded];
9185 }
9186
9187 - (void) syncData {
9188     [self _saveConfig];
9189     [self detachNewProgressSelector:@selector(update_) toTarget:self forController:nil title:@"UPDATING_SOURCES"];
9190 }
9191
9192 - (void) addSource:(NSDictionary *) source {
9193     AddSource(source);
9194 }
9195
9196 - (void) addSource:(NSString *)href withDistribution:(NSString *)distribution andSections:(NSArray *)sections {
9197     AddSource(href, distribution, sections);
9198 }
9199
9200 - (void) addTrivialSource:(NSString *)href {
9201     AddSource(href, @"./");
9202 }
9203
9204 - (void) updateValues {
9205     Changed_ = true;
9206 }
9207
9208 - (void) resolve {
9209     pkgProblemResolver *resolver = [database_ resolver];
9210
9211     resolver->InstallProtect();
9212     if (!resolver->Resolve(true))
9213         _error->Discard();
9214 }
9215
9216 - (bool) perform {
9217     // XXX: this is a really crappy way of doing this.
9218     // like, seriously: this state machine is still broken, and cancelling this here doesn't really /fix/ that.
9219     // for one, the user can still /start/ a reloading data event while they have a queue, which is stupid
9220     // for two, this just means there is a race condition between the refresh completing and the confirmation controller appearing.
9221     if ([tabbar_ updating])
9222         [tabbar_ cancelUpdate];
9223
9224     if (![database_ prepare])
9225         return false;
9226
9227     ConfirmationController *page([[[ConfirmationController alloc] initWithDatabase:database_] autorelease]);
9228     [page setDelegate:self];
9229     UINavigationController *confirm_([[[UINavigationController alloc] initWithRootViewController:page] autorelease]);
9230
9231     if (IsWildcat_)
9232         [confirm_ setModalPresentationStyle:UIModalPresentationFormSheet];
9233     [tabbar_ presentModalViewController:confirm_ animated:YES];
9234
9235     return true;
9236 }
9237
9238 - (void) queue {
9239     @synchronized (self) {
9240         [self perform];
9241     }
9242 }
9243
9244 - (void) clearPackage:(Package *)package {
9245     @synchronized (self) {
9246         [package clear];
9247         [self resolve];
9248         [self perform];
9249     }
9250 }
9251
9252 - (void) installPackages:(NSArray *)packages {
9253     @synchronized (self) {
9254         for (Package *package in packages)
9255             [package install];
9256         [self resolve];
9257         [self perform];
9258     }
9259 }
9260
9261 - (void) installPackage:(Package *)package {
9262     @synchronized (self) {
9263         [package install];
9264         [self resolve];
9265         [self perform];
9266     }
9267 }
9268
9269 - (void) removePackage:(Package *)package {
9270     @synchronized (self) {
9271         [package remove];
9272         [self resolve];
9273         [self perform];
9274     }
9275 }
9276
9277 - (void) distUpgrade {
9278     @synchronized (self) {
9279         if (![database_ upgrade])
9280             return;
9281         [self perform];
9282     }
9283 }
9284
9285 - (void) perform_ {
9286     [database_ perform];
9287     [self performSelectorOnMainThread:@selector(reloadData) withObject:nil waitUntilDone:YES];
9288 }
9289
9290 - (void) confirmWithNavigationController:(UINavigationController *)navigation {
9291     Queuing_ = false;
9292     ++locked_;
9293     [self detachNewProgressSelector:@selector(perform_) toTarget:self forController:navigation title:@"RUNNING"];
9294     --locked_;
9295     [self refreshIfPossible];
9296 }
9297
9298 - (void) showSettings {
9299     [self presentModalViewController:[[[SettingsController alloc] initWithDatabase:database_ delegate:self] autorelease] force:NO];
9300 }
9301
9302 - (void) retainNetworkActivityIndicator {
9303     if (activity_++ == 0)
9304         [self setNetworkActivityIndicatorVisible:YES];
9305
9306 #if TraceLogging
9307     NSLog(@"retainNetworkActivityIndicator->%d", activity_);
9308 #endif
9309 }
9310
9311 - (void) releaseNetworkActivityIndicator {
9312     if (--activity_ == 0)
9313         [self setNetworkActivityIndicatorVisible:NO];
9314
9315 #if TraceLogging
9316     NSLog(@"releaseNetworkActivityIndicator->%d", activity_);
9317 #endif
9318
9319 }
9320
9321 - (void) cancelAndClear:(bool)clear {
9322     @synchronized (self) {
9323         if (clear) {
9324             [database_ clear];
9325             Queuing_ = false;
9326         } else {
9327             Queuing_ = true;
9328         }
9329
9330         [self _updateData];
9331     }
9332 }
9333
9334 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
9335     NSString *context([alert context]);
9336
9337     if ([context isEqualToString:@"conffile"]) {
9338         FILE *input = [database_ input];
9339         if (button == [alert cancelButtonIndex])
9340             fprintf(input, "N\n");
9341         else if (button == [alert firstOtherButtonIndex])
9342             fprintf(input, "Y\n");
9343         fflush(input);
9344
9345         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9346     } else if ([context isEqualToString:@"fixhalf"]) {
9347         if (button == [alert cancelButtonIndex]) {
9348             @synchronized (self) {
9349                 for (Package *broken in (id) broken_) {
9350                     [broken remove];
9351
9352                     NSString *id = [broken id];
9353                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.prerm", id] UTF8String]);
9354                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postrm", id] UTF8String]);
9355                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.preinst", id] UTF8String]);
9356                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postinst", id] UTF8String]);
9357                 }
9358
9359                 [self resolve];
9360                 [self perform];
9361             }
9362         } else if (button == [alert firstOtherButtonIndex]) {
9363             [broken_ removeAllObjects];
9364             [self _loaded];
9365         }
9366
9367         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9368     } else if ([context isEqualToString:@"upgrade"]) {
9369         if (button == [alert firstOtherButtonIndex]) {
9370             @synchronized (self) {
9371                 for (Package *essential in (id) essential_)
9372                     [essential install];
9373
9374                 [self resolve];
9375                 [self perform];
9376             }
9377         } else if (button == [alert firstOtherButtonIndex] + 1) {
9378             [self distUpgrade];
9379         } else if (button == [alert cancelButtonIndex]) {
9380             Ignored_ = YES;
9381         }
9382
9383         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9384     }
9385 }
9386
9387 - (void) system:(NSString *)command {
9388     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
9389
9390     _trace();
9391     system([command UTF8String]);
9392     _trace();
9393
9394     [pool release];
9395 }
9396
9397 - (void) applicationWillSuspend {
9398     [database_ clean];
9399     [super applicationWillSuspend];
9400 }
9401
9402 - (BOOL) isSafeToSuspend {
9403     if (locked_ != 0) {
9404 #if !ForRelease
9405         NSLog(@"isSafeToSuspend: locked_ != 0");
9406 #endif
9407         return false;
9408     }
9409
9410     // Use external process status API internally.
9411     // This is probably a really bad idea.
9412     // XXX: what is the point of this? does this solve anything at all?
9413     uint64_t status = 0;
9414     int notify_token;
9415     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
9416         notify_get_state(notify_token, &status);
9417         notify_cancel(notify_token);
9418     }
9419
9420     if (status != 0) {
9421 #if !ForRelease
9422         NSLog(@"isSafeToSuspend: status != 0");
9423 #endif
9424         return false;
9425     }
9426
9427 #if !ForRelease
9428     NSLog(@"isSafeToSuspend: -> true");
9429 #endif
9430     return true;
9431 }
9432
9433 - (void) applicationSuspend:(__GSEvent *)event {
9434     if ([self isSafeToSuspend])
9435         [super applicationSuspend:event];
9436 }
9437
9438 - (void) _animateSuspension:(BOOL)arg0 duration:(double)arg1 startTime:(double)arg2 scale:(float)arg3 {
9439     if ([self isSafeToSuspend])
9440         [super _animateSuspension:arg0 duration:arg1 startTime:arg2 scale:arg3];
9441 }
9442
9443 - (void) _setSuspended:(BOOL)value {
9444     if ([self isSafeToSuspend])
9445         [super _setSuspended:value];
9446 }
9447
9448 - (UIProgressHUD *) addProgressHUD {
9449     UIProgressHUD *hud([[[UIProgressHUD alloc] init] autorelease]);
9450     [hud setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
9451
9452     [window_ setUserInteractionEnabled:NO];
9453
9454     UIViewController *target(tabbar_);
9455     if (UIViewController *modal = [target modalViewController])
9456         target = modal;
9457
9458     UIView *view([target view]);
9459     [view addSubview:hud];
9460
9461     [hud showInView:[tabbar_ view]];
9462
9463     ++locked_;
9464     return hud;
9465 }
9466
9467 - (void) removeProgressHUD:(UIProgressHUD *)hud {
9468     --locked_;
9469     [hud hide];
9470     [hud removeFromSuperview];
9471     [window_ setUserInteractionEnabled:YES];
9472 }
9473
9474 - (CyteViewController *) pageForPackage:(NSString *)name {
9475     return [[[CYPackageController alloc] initWithDatabase:database_ forPackage:name] autorelease];
9476 }
9477
9478 - (CyteViewController *) pageForURL:(NSURL *)url forExternal:(BOOL)external {
9479     NSString *scheme([[url scheme] lowercaseString]);
9480     if ([[url absoluteString] length] <= [scheme length] + 3)
9481         return nil;
9482     NSString *path([[url absoluteString] substringFromIndex:[scheme length] + 3]);
9483     NSArray *components([path pathComponents]);
9484
9485     if ([scheme isEqualToString:@"apptapp"] && [components count] > 0 && [[components objectAtIndex:0] isEqualToString:@"package"])
9486         return [self pageForPackage:[components objectAtIndex:1]];
9487
9488     if ([components count] < 1 || ![scheme isEqualToString:@"cydia"])
9489         return nil;
9490
9491     NSString *base([components objectAtIndex:0]);
9492
9493     CyteViewController *controller = nil;
9494
9495     if ([base isEqualToString:@"url"]) {
9496         // This kind of URL can contain slashes in the argument, so we can't parse them below.
9497         NSString *destination = [[url absoluteString] substringFromIndex:([scheme length] + [@"://" length] + [base length] + [@"/" length])];
9498         controller = [[[CydiaWebViewController alloc] initWithURL:[NSURL URLWithString:destination]] autorelease];
9499     } else if (!external && [components count] == 1) {
9500         if ([base isEqualToString:@"manage"]) {
9501             controller = [[[ManageController alloc] init] autorelease];
9502         }
9503
9504         if ([base isEqualToString:@"sources"]) {
9505             controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
9506         }
9507
9508         if ([base isEqualToString:@"home"]) {
9509             controller = [[[HomeController alloc] init] autorelease];
9510         }
9511
9512         if ([base isEqualToString:@"sections"]) {
9513             controller = [[[SectionsController alloc] initWithDatabase:database_] autorelease];
9514         }
9515
9516         if ([base isEqualToString:@"search"]) {
9517             controller = [[[SearchController alloc] initWithDatabase:database_ query:nil] autorelease];
9518         }
9519
9520         if ([base isEqualToString:@"changes"]) {
9521             controller = [[[ChangesController alloc] initWithDatabase:database_] autorelease];
9522         }
9523
9524         if ([base isEqualToString:@"installed"]) {
9525             controller = [[[InstalledController alloc] initWithDatabase:database_] autorelease];
9526         }
9527     } else if ([components count] == 2) {
9528         NSString *argument = [components objectAtIndex:1];
9529
9530         if ([base isEqualToString:@"package"]) {
9531             controller = [self pageForPackage:argument];
9532         }
9533
9534         if (!external && [base isEqualToString:@"search"]) {
9535             controller = [[[SearchController alloc] initWithDatabase:database_ query:argument] autorelease];
9536         }
9537
9538         if (!external && [base isEqualToString:@"sections"]) {
9539             if ([argument isEqualToString:@"all"])
9540                 argument = nil;
9541             controller = [[[SectionController alloc] initWithDatabase:database_ section:argument] autorelease];
9542         }
9543
9544         if (!external && [base isEqualToString:@"sources"]) {
9545             if ([argument isEqualToString:@"add"]) {
9546                 controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
9547                 [(SourcesController *)controller showAddSourcePrompt];
9548             } else {
9549                 Source *source = [database_ sourceWithKey:[argument stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
9550                 controller = [[[SourceController alloc] initWithDatabase:database_ source:source] autorelease];
9551             }
9552         }
9553
9554         if (!external && [base isEqualToString:@"launch"]) {
9555             [self launchApplicationWithIdentifier:argument suspended:NO];
9556             return nil;
9557         }
9558     } else if (!external && [components count] == 3) {
9559         NSString *arg1 = [components objectAtIndex:1];
9560         NSString *arg2 = [components objectAtIndex:2];
9561
9562         if ([base isEqualToString:@"package"]) {
9563             if ([arg2 isEqualToString:@"settings"]) {
9564                 controller = [[[PackageSettingsController alloc] initWithDatabase:database_ package:arg1] autorelease];
9565             } else if ([arg2 isEqualToString:@"files"]) {
9566                 if (Package *package = [database_ packageWithName:arg1]) {
9567                     controller = [[[FileTable alloc] initWithDatabase:database_] autorelease];
9568                     [(FileTable *)controller setPackage:package];
9569                 }
9570             }
9571         }
9572     }
9573
9574     [controller setDelegate:self];
9575     return controller;
9576 }
9577
9578 - (BOOL) openCydiaURL:(NSURL *)url forExternal:(BOOL)external {
9579     CyteViewController *page([self pageForURL:url forExternal:external]);
9580
9581     if (page != nil) {
9582         UINavigationController *nav = [[[UINavigationController alloc] init] autorelease];
9583         [nav setViewControllers:[NSArray arrayWithObject:page]];
9584         [tabbar_ setUnselectedViewController:nav];
9585     }
9586
9587     return page != nil;
9588 }
9589
9590 - (void) applicationOpenURL:(NSURL *)url {
9591     [super applicationOpenURL:url];
9592
9593     if (!loaded_)
9594         starturl_ = url;
9595     else
9596         [self openCydiaURL:url forExternal:YES];
9597 }
9598
9599 - (void) applicationWillResignActive:(UIApplication *)application {
9600     // Stop refreshing if you get a phone call or lock the device.
9601     if ([tabbar_ updating])
9602         [tabbar_ cancelUpdate];
9603
9604     if ([[self superclass] instancesRespondToSelector:@selector(applicationWillResignActive:)])
9605         [super applicationWillResignActive:application];
9606 }
9607
9608 - (void) saveState {
9609     [Metadata_ setObject:[tabbar_ navigationURLCollection] forKey:@"InterfaceState"];
9610     [Metadata_ setObject:[NSDate date] forKey:@"LastClosed"];
9611     [Metadata_ setObject:[NSNumber numberWithInt:[tabbar_ selectedIndex]] forKey:@"InterfaceIndex"];
9612     Changed_ = true;
9613
9614     [self _saveConfig];
9615 }
9616
9617 - (void) applicationWillTerminate:(UIApplication *)application {
9618     [self saveState];
9619 }
9620
9621 - (void) setConfigurationData:(NSString *)data {
9622     static Pcre conffile_r("^'(.*)' '(.*)' ([01]) ([01])$");
9623
9624     if (!conffile_r(data)) {
9625         lprintf("E:invalid conffile\n");
9626         return;
9627     }
9628
9629     NSString *ofile = conffile_r[1];
9630     //NSString *nfile = conffile_r[2];
9631
9632     UIAlertView *alert = [[[UIAlertView alloc]
9633         initWithTitle:UCLocalize("CONFIGURATION_UPGRADE")
9634         message:[NSString stringWithFormat:@"%@\n\n%@", UCLocalize("CONFIGURATION_UPGRADE_EX"), ofile]
9635         delegate:self
9636         cancelButtonTitle:UCLocalize("KEEP_OLD_COPY")
9637         otherButtonTitles:
9638             UCLocalize("ACCEPT_NEW_COPY"),
9639             // XXX: UCLocalize("SEE_WHAT_CHANGED"),
9640         nil
9641     ] autorelease];
9642
9643     [alert setContext:@"conffile"];
9644     [alert setNumberOfRows:2];
9645     [alert show];
9646 }
9647
9648 - (void) addStashController {
9649     ++locked_;
9650     stash_ = [[[StashController alloc] init] autorelease];
9651     [window_ addSubview:[stash_ view]];
9652 }
9653
9654 - (void) removeStashController {
9655     [[stash_ view] removeFromSuperview];
9656     stash_ = nil;
9657     --locked_;
9658 }
9659
9660 - (void) stash {
9661     [self setIdleTimerDisabled:YES];
9662
9663     [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleBlackOpaque];
9664     UpdateExternalStatus(1);
9665     [self yieldToSelector:@selector(system:) withObject:@"/usr/libexec/cydia/free.sh"];
9666     UpdateExternalStatus(0);
9667
9668     [self removeStashController];
9669
9670     if (ExecFork() == 0) {
9671         execlp("launchctl", "launchctl", "stop", "com.apple.SpringBoard", NULL);
9672         perror("launchctl stop");
9673     }
9674 }
9675
9676 - (void) setupViewControllers {
9677     tabbar_ = [[[CYTabBarController alloc] initWithDatabase:database_] autorelease];
9678
9679     NSMutableArray *items([NSMutableArray arrayWithObjects:
9680         [[[UITabBarItem alloc] initWithTitle:@"Cydia" image:[UIImage applicationImageNamed:@"home.png"] tag:0] autorelease],
9681         [[[UITabBarItem alloc] initWithTitle:UCLocalize("SECTIONS") image:[UIImage applicationImageNamed:@"install.png"] tag:0] autorelease],
9682         [[[UITabBarItem alloc] initWithTitle:UCLocalize("CHANGES") image:[UIImage applicationImageNamed:@"changes.png"] tag:0] autorelease],
9683         [[[UITabBarItem alloc] initWithTitle:UCLocalize("SEARCH") image:[UIImage applicationImageNamed:@"search.png"] tag:0] autorelease],
9684     nil]);
9685
9686     if (IsWildcat_) {
9687         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("SOURCES") image:[UIImage applicationImageNamed:@"source.png"] tag:0] autorelease] atIndex:3];
9688         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("INSTALLED") image:[UIImage applicationImageNamed:@"manage.png"] tag:0] autorelease] atIndex:3];
9689     } else {
9690         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("MANAGE") image:[UIImage applicationImageNamed:@"manage.png"] tag:0] autorelease] atIndex:3];
9691     }
9692
9693     NSMutableArray *controllers([NSMutableArray array]);
9694     for (UITabBarItem *item in items) {
9695         UINavigationController *controller([[[UINavigationController alloc] init] autorelease]);
9696         [controller setTabBarItem:item];
9697         [controllers addObject:controller];
9698     }
9699     [tabbar_ setViewControllers:controllers];
9700
9701     [tabbar_ setUpdateDelegate:self];
9702 }
9703
9704 - (void) _sendMemoryWarningNotification {
9705     [[NSNotificationCenter defaultCenter] postNotificationName:@"UIApplicationDidReceiveMemoryWarningNotification" object:[UIApplication sharedApplication]];
9706 }
9707
9708 - (void) _sendMemoryWarningNotifications {
9709     while (true) {
9710         [self performSelectorOnMainThread:@selector(_sendMemoryWarningNotification) withObject:nil waitUntilDone:NO];
9711         usleep(250000);
9712     }
9713 }
9714
9715 - (void) applicationDidFinishLaunching:(id)unused {
9716     //[NSThread detachNewThreadSelector:@selector(_sendMemoryWarningNotifications) toTarget:self withObject:nil];
9717
9718 _trace();
9719     if ([self respondsToSelector:@selector(setApplicationSupportsShakeToEdit:)])
9720         [self setApplicationSupportsShakeToEdit:NO];
9721
9722     @synchronized (HostConfig_) {
9723         [BridgedHosts_ addObject:[[NSURL URLWithString:CydiaURL(@"")] host]];
9724     }
9725
9726     [NSURLCache setSharedURLCache:[[[CYURLCache alloc]
9727         initWithMemoryCapacity:524288
9728         diskCapacity:10485760
9729         diskPath:[NSString stringWithFormat:@"%@/Library/Caches/com.saurik.Cydia/SDURLCache", @"/var/root"]
9730     ] autorelease]];
9731
9732     [CydiaWebViewController _initialize];
9733
9734     [NSURLProtocol registerClass:[CydiaURLProtocol class]];
9735
9736     // this would disallow http{,s} URLs from accessing this data
9737     //[WebView registerURLSchemeAsLocal:@"cydia"];
9738
9739     Font12_ = [UIFont systemFontOfSize:12];
9740     Font12Bold_ = [UIFont boldSystemFontOfSize:12];
9741     Font14_ = [UIFont systemFontOfSize:14];
9742     Font18Bold_ = [UIFont boldSystemFontOfSize:18];
9743     Font22Bold_ = [UIFont boldSystemFontOfSize:22];
9744
9745     essential_ = [NSMutableArray arrayWithCapacity:4];
9746     broken_ = [NSMutableArray arrayWithCapacity:4];
9747
9748     // XXX: I really need this thing... like, seriously... I'm sorry
9749     [[[AppCacheController alloc] initWithURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/appcache/", UI_]]] reloadData];
9750
9751     window_ = [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease];
9752     [window_ orderFront:self];
9753     [window_ makeKey:self];
9754     [window_ setHidden:NO];
9755
9756     if (
9757         readlink("/Applications", NULL, 0) == -1 && errno == EINVAL ||
9758         readlink("/Library/Ringtones", NULL, 0) == -1 && errno == EINVAL ||
9759         readlink("/Library/Wallpaper", NULL, 0) == -1 && errno == EINVAL ||
9760         //readlink("/usr/bin", NULL, 0) == -1 && errno == EINVAL ||
9761         readlink("/usr/include", NULL, 0) == -1 && errno == EINVAL ||
9762         readlink("/usr/lib/pam", NULL, 0) == -1 && errno == EINVAL ||
9763         readlink("/usr/libexec", NULL, 0) == -1 && errno == EINVAL ||
9764         readlink("/usr/share", NULL, 0) == -1 && errno == EINVAL ||
9765         //readlink("/var/lib", NULL, 0) == -1 && errno == EINVAL ||
9766         false
9767     ) {
9768         [self addStashController];
9769         // XXX: this would be much cleaner as a yieldToSelector:
9770         // that way the removeStashController could happen right here inline
9771         // we also could no longer require the useless stash_ field anymore
9772         [self performSelector:@selector(stash) withObject:nil afterDelay:0];
9773         return;
9774     }
9775
9776     database_ = [Database sharedInstance];
9777     [database_ setDelegate:self];
9778
9779     [window_ setUserInteractionEnabled:NO];
9780     [self setupViewControllers];
9781
9782     emulated_ = [[[CydiaLoadingViewController alloc] init] autorelease];
9783     [window_ addSubview:[emulated_ view]];
9784
9785     [self performSelector:@selector(loadData) withObject:nil afterDelay:0];
9786 _trace();
9787 }
9788
9789 - (NSArray *) defaultStartPages {
9790     NSMutableArray *standard = [NSMutableArray array];
9791     [standard addObject:[NSArray arrayWithObject:@"cydia://home"]];
9792     [standard addObject:[NSArray arrayWithObject:@"cydia://sections"]];
9793     [standard addObject:[NSArray arrayWithObject:@"cydia://changes"]];
9794     if (!IsWildcat_) {
9795         [standard addObject:[NSArray arrayWithObject:@"cydia://manage"]];
9796     } else {
9797         [standard addObject:[NSArray arrayWithObject:@"cydia://installed"]];
9798         [standard addObject:[NSArray arrayWithObject:@"cydia://sources"]];
9799     }
9800     [standard addObject:[NSArray arrayWithObject:@"cydia://search"]];
9801     return standard;
9802 }
9803
9804 - (void) loadData {
9805 _trace();
9806     if (Role_ == nil) {
9807         [window_ setUserInteractionEnabled:YES];
9808         [self showSettings];
9809         return;
9810     } else {
9811         if ([emulated_ modalViewController] != nil)
9812             [emulated_ dismissModalViewControllerAnimated:YES];
9813         [window_ setUserInteractionEnabled:NO];
9814     }
9815
9816     [self reloadDataWithInvocation:nil];
9817     [self refreshIfPossible];
9818     PrintTimes();
9819
9820     [self disemulate];
9821
9822     int savedIndex = [[Metadata_ objectForKey:@"InterfaceIndex"] intValue];
9823     NSArray *saved = [[Metadata_ objectForKey:@"InterfaceState"] mutableCopy];
9824     int standardIndex = 0;
9825     NSArray *standard = [self defaultStartPages];
9826
9827     BOOL valid = YES;
9828
9829     if (saved == nil)
9830         valid = NO;
9831
9832     NSDate *closed = [Metadata_ objectForKey:@"LastClosed"];
9833     if (valid && closed != nil) {
9834         NSTimeInterval interval([closed timeIntervalSinceNow]);
9835         // XXX: Is 15 minutes the optimal time here?
9836         if (interval > 0 && interval <= -(15*60))
9837             valid = NO;
9838     }
9839
9840     if (valid && [saved count] != [standard count])
9841         valid = NO;
9842
9843     if (valid) {
9844         for (unsigned int i = 0; i < [standard count]; i++) {
9845             NSArray *std = [standard objectAtIndex:i], *sav = [saved objectAtIndex:i];
9846             // XXX: The "hasPrefix" sanity check here could be, in theory, fooled,
9847             //      but it's good enough for now.
9848             if ([sav count] == 0 || ![[sav objectAtIndex:0] hasPrefix:[std objectAtIndex:0]]) {
9849                 valid = NO;
9850                 break;
9851             }
9852         }
9853     }
9854
9855     NSArray *items = nil;
9856     if (valid) {
9857         [tabbar_ setSelectedIndex:savedIndex];
9858         items = saved;
9859     } else {
9860         [tabbar_ setSelectedIndex:standardIndex];
9861         items = standard;
9862     }
9863
9864     for (unsigned int tab = 0; tab < [[tabbar_ viewControllers] count]; tab++) {
9865         NSArray *stack = [items objectAtIndex:tab];
9866         UINavigationController *navigation = [[tabbar_ viewControllers] objectAtIndex:tab];
9867         NSMutableArray *current = [NSMutableArray array];
9868
9869         for (unsigned int nav = 0; nav < [stack count]; nav++) {
9870             NSString *addr = [stack objectAtIndex:nav];
9871             NSURL *url = [NSURL URLWithString:addr];
9872             CyteViewController *page = [self pageForURL:url forExternal:NO];
9873             if (page != nil)
9874                 [current addObject:page];
9875         }
9876
9877         [navigation setViewControllers:current];
9878     }
9879
9880     // (Try to) show the startup URL.
9881     if (starturl_ != nil) {
9882         [self openCydiaURL:starturl_ forExternal:NO];
9883         starturl_ = nil;
9884     }
9885 }
9886
9887 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item {
9888     if (item != nil && IsWildcat_) {
9889         [sheet showFromBarButtonItem:item animated:YES];
9890     } else {
9891         [sheet showInView:window_];
9892     }
9893 }
9894
9895 - (void) addProgressEvent:(CydiaProgressEvent *)event forTask:(NSString *)task {
9896     id<ProgressDelegate> progress([database_ progressDelegate] ?: [self invokeNewProgress:nil forController:nil withTitle:task]);
9897     [progress setTitle:task];
9898     [progress addProgressEvent:event];
9899 }
9900
9901 - (void) addProgressEventForTask:(NSArray *)data {
9902     CydiaProgressEvent *event([data objectAtIndex:0]);
9903     NSString *task([data count] < 2 ? nil : [data objectAtIndex:1]);
9904     [self addProgressEvent:event forTask:task];
9905 }
9906
9907 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task {
9908     [self performSelectorOnMainThread:@selector(addProgressEventForTask:) withObject:[NSArray arrayWithObjects:event, task, nil] waitUntilDone:YES];
9909 }
9910
9911 @end
9912
9913 /*IMP alloc_;
9914 id Alloc_(id self, SEL selector) {
9915     id object = alloc_(self, selector);
9916     lprintf("[%s]A-%p\n", self->isa->name, object);
9917     return object;
9918 }*/
9919
9920 /*IMP dealloc_;
9921 id Dealloc_(id self, SEL selector) {
9922     id object = dealloc_(self, selector);
9923     lprintf("[%s]D-%p\n", self->isa->name, object);
9924     return object;
9925 }*/
9926
9927 Class $WebDefaultUIKitDelegate;
9928
9929 MSHook(void, UIWebDocumentView$_setUIKitDelegate$, UIWebDocumentView *self, SEL _cmd, id delegate) {
9930     if (delegate == nil && $WebDefaultUIKitDelegate != nil)
9931         delegate = [$WebDefaultUIKitDelegate sharedUIKitDelegate];
9932     return _UIWebDocumentView$_setUIKitDelegate$(self, _cmd, delegate);
9933 }
9934
9935 static NSSet *MobilizedFiles_;
9936
9937 static NSURL *MobilizeURL(NSURL *url) {
9938     NSString *path([url path]);
9939     if ([path hasPrefix:@"/var/root/"]) {
9940         NSString *file([path substringFromIndex:10]);
9941         if ([MobilizedFiles_ containsObject:file])
9942             url = [NSURL fileURLWithPath:[@"/var/mobile/" stringByAppendingString:file] isDirectory:NO];
9943     }
9944
9945     return url;
9946 }
9947
9948 Class $CFXPreferencesPropertyListSource;
9949 @class CFXPreferencesPropertyListSource;
9950
9951 MSHook(BOOL, CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync, CFXPreferencesPropertyListSource *self, SEL _cmd) {
9952     NSURL *&url(MSHookIvar<NSURL *>(self, "_url")), *old(url);
9953     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
9954     url = MobilizeURL(url);
9955     BOOL value(_CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync(self, _cmd));
9956     //NSLog(@"%@ %s", [url absoluteString], value ? "YES" : "NO");
9957     url = old;
9958     [pool release];
9959     return value;
9960 }
9961
9962 MSHook(void *, CFXPreferencesPropertyListSource$createPlistFromDisk, CFXPreferencesPropertyListSource *self, SEL _cmd) {
9963     NSURL *&url(MSHookIvar<NSURL *>(self, "_url")), *old(url);
9964     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
9965     url = MobilizeURL(url);
9966     void *value(_CFXPreferencesPropertyListSource$createPlistFromDisk(self, _cmd));
9967     //NSLog(@"%@ %@", [url absoluteString], value);
9968     url = old;
9969     [pool release];
9970     return value;
9971 }
9972
9973 Class $NSURLConnection;
9974
9975 MSHook(id, NSURLConnection$init$, NSURLConnection *self, SEL _cmd, NSURLRequest *request, id delegate, BOOL usesCache, int64_t maxContentLength, BOOL startImmediately, NSDictionary *connectionProperties) {
9976     NSMutableURLRequest *copy([request mutableCopy]);
9977
9978     NSURL *url([copy URL]);
9979
9980     NSString *href([url absoluteString]);
9981     NSString *host([url host]);
9982     NSString *scheme([[url scheme] lowercaseString]);
9983
9984     NSString *compound([NSString stringWithFormat:@"%@:%@", scheme, host]);
9985
9986     @synchronized (HostConfig_) {
9987         if ([copy respondsToSelector:@selector(setHTTPShouldUsePipelining:)])
9988             if ([PipelinedHosts_ containsObject:host] || [PipelinedHosts_ containsObject:compound])
9989                 [copy setHTTPShouldUsePipelining:YES];
9990
9991         if (NSString *control = [copy valueForHTTPHeaderField:@"Cache-Control"])
9992             if ([control isEqualToString:@"max-age=0"])
9993                 if ([CachedURLs_ containsObject:href]) {
9994 #if !ForRelease
9995                     NSLog(@"~~~: %@", href);
9996 #endif
9997
9998                     [copy setCachePolicy:NSURLRequestReturnCacheDataDontLoad];
9999
10000                     [copy setValue:nil forHTTPHeaderField:@"Cache-Control"];
10001                     [copy setValue:nil forHTTPHeaderField:@"If-Modified-Since"];
10002                     [copy setValue:nil forHTTPHeaderField:@"If-None-Match"];
10003                 }
10004     }
10005
10006     if ((self = _NSURLConnection$init$(self, _cmd, copy, delegate, usesCache, maxContentLength, startImmediately, connectionProperties)) != nil) {
10007     } return self;
10008 }
10009
10010 int main(int argc, char *argv[]) {
10011     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
10012
10013     _trace();
10014
10015     UpdateExternalStatus(0);
10016
10017     if (Class $UIDevice = objc_getClass("UIDevice")) {
10018         UIDevice *device([$UIDevice currentDevice]);
10019         IsWildcat_ = [device respondsToSelector:@selector(isWildcat)] && [device isWildcat];
10020     } else
10021         IsWildcat_ = false;
10022
10023     UIScreen *screen([UIScreen mainScreen]);
10024     if ([screen respondsToSelector:@selector(scale)])
10025         ScreenScale_ = [screen scale];
10026     else
10027         ScreenScale_ = 1;
10028
10029     UIDevice *device([UIDevice currentDevice]);
10030     if (![device respondsToSelector:@selector(userInterfaceIdiom)])
10031         Idiom_ = @"iphone";
10032     else {
10033         UIUserInterfaceIdiom idiom([device userInterfaceIdiom]);
10034         if (idiom == UIUserInterfaceIdiomPhone)
10035             Idiom_ = @"iphone";
10036         else if (idiom == UIUserInterfaceIdiomPad)
10037             Idiom_ = @"ipad";
10038         else
10039             NSLog(@"unknown UIUserInterfaceIdiom!");
10040     }
10041
10042     Pcre pattern("^([0-9]+\\.[0-9]+)");
10043
10044     if (pattern([device systemVersion]))
10045         Firmware_ = pattern[1];
10046     if (pattern(Cydia_))
10047         Major_ = pattern[1];
10048
10049     SessionData_ = [NSMutableDictionary dictionaryWithCapacity:4];
10050
10051     HostConfig_ = [[[NSObject alloc] init] autorelease];
10052     @synchronized (HostConfig_) {
10053         BridgedHosts_ = [NSMutableSet setWithCapacity:4];
10054         TokenHosts_ = [NSMutableSet setWithCapacity:4];
10055         InsecureHosts_ = [NSMutableSet setWithCapacity:4];
10056         PipelinedHosts_ = [NSMutableSet setWithCapacity:4];
10057         CachedURLs_ = [NSMutableSet setWithCapacity:32];
10058     }
10059
10060     NSString *ui(@"ui/ios");
10061     if (Idiom_ != nil)
10062         ui = [ui stringByAppendingString:[NSString stringWithFormat:@"~%@", Idiom_]];
10063     ui = [ui stringByAppendingString:[NSString stringWithFormat:@"/%@", Major_]];
10064     UI_ = CydiaURL(ui);
10065
10066     PackageName = reinterpret_cast<CYString &(*)(Package *, SEL)>(method_getImplementation(class_getInstanceMethod([Package class], @selector(cyname))));
10067
10068     MobilizedFiles_ = [NSMutableSet setWithObjects:
10069         @"Library/Preferences/com.apple.Accessibility.plist",
10070         @"Library/Preferences/com.apple.preferences.sounds.plist",
10071     nil];
10072
10073     /* Library Hacks {{{ */
10074     class_addMethod(objc_getClass("DOMNodeList"), @selector(countByEnumeratingWithState:objects:count:), (IMP) &DOMNodeList$countByEnumeratingWithState$objects$count$, "I20@0:4^{NSFastEnumerationState}8^@12I16");
10075
10076     $CFXPreferencesPropertyListSource = objc_getClass("CFXPreferencesPropertyListSource");
10077
10078     Method CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync(class_getInstanceMethod($CFXPreferencesPropertyListSource, @selector(_backingPlistChangedSinceLastSync)));
10079     if (CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync != NULL) {
10080         _CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync = reinterpret_cast<BOOL (*)(CFXPreferencesPropertyListSource *, SEL)>(method_getImplementation(CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync));
10081         method_setImplementation(CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync, reinterpret_cast<IMP>(&$CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync));
10082     }
10083
10084     Method CFXPreferencesPropertyListSource$createPlistFromDisk(class_getInstanceMethod($CFXPreferencesPropertyListSource, @selector(createPlistFromDisk)));
10085     if (CFXPreferencesPropertyListSource$createPlistFromDisk != NULL) {
10086         _CFXPreferencesPropertyListSource$createPlistFromDisk = reinterpret_cast<void *(*)(CFXPreferencesPropertyListSource *, SEL)>(method_getImplementation(CFXPreferencesPropertyListSource$createPlistFromDisk));
10087         method_setImplementation(CFXPreferencesPropertyListSource$createPlistFromDisk, reinterpret_cast<IMP>(&$CFXPreferencesPropertyListSource$createPlistFromDisk));
10088     }
10089
10090     $WebDefaultUIKitDelegate = objc_getClass("WebDefaultUIKitDelegate");
10091     Method UIWebDocumentView$_setUIKitDelegate$(class_getInstanceMethod([WebView class], @selector(_setUIKitDelegate:)));
10092     if (UIWebDocumentView$_setUIKitDelegate$ != NULL) {
10093         _UIWebDocumentView$_setUIKitDelegate$ = reinterpret_cast<void (*)(UIWebDocumentView *, SEL, id)>(method_getImplementation(UIWebDocumentView$_setUIKitDelegate$));
10094         method_setImplementation(UIWebDocumentView$_setUIKitDelegate$, reinterpret_cast<IMP>(&$UIWebDocumentView$_setUIKitDelegate$));
10095     }
10096
10097     $NSURLConnection = objc_getClass("NSURLConnection");
10098     Method NSURLConnection$init$(class_getInstanceMethod($NSURLConnection, @selector(_initWithRequest:delegate:usesCache:maxContentLength:startImmediately:connectionProperties:)));
10099     if (NSURLConnection$init$ != NULL) {
10100         _NSURLConnection$init$ = reinterpret_cast<id (*)(NSURLConnection *, SEL, NSURLRequest *, id, BOOL, int64_t, BOOL, NSDictionary *)>(method_getImplementation(NSURLConnection$init$));
10101         method_setImplementation(NSURLConnection$init$, reinterpret_cast<IMP>(&$NSURLConnection$init$));
10102     }
10103     /* }}} */
10104     /* Set Locale {{{ */
10105     Locale_ = CFLocaleCopyCurrent();
10106     Languages_ = [NSLocale preferredLanguages];
10107
10108     //CFStringRef locale(CFLocaleGetIdentifier(Locale_));
10109     //NSLog(@"%@", [Languages_ description]);
10110
10111     const char *lang;
10112     if (Locale_ != NULL)
10113         lang = [(NSString *) CFLocaleGetIdentifier(Locale_) UTF8String];
10114     else if (Languages_ != nil && [Languages_ count] != 0)
10115         lang = [[Languages_ objectAtIndex:0] UTF8String];
10116     else
10117         // XXX: consider just setting to C and then falling through?
10118         lang = NULL;
10119
10120     if (lang != NULL) {
10121         Pcre pattern("^([a-z][a-z])(?:-[A-Za-z]*)?(_[A-Z][A-Z])?$");
10122         lang = !pattern(lang) ? NULL : [pattern->*@"%1$@%2$@" UTF8String];
10123     }
10124
10125     NSLog(@"Setting Language: %s", lang);
10126
10127     if (lang != NULL) {
10128         setenv("LANG", lang, true);
10129         std::setlocale(LC_ALL, lang);
10130     }
10131     /* }}} */
10132
10133     apr_app_initialize(&argc, const_cast<const char * const **>(&argv), NULL);
10134
10135     /* Parse Arguments {{{ */
10136     bool substrate(false);
10137
10138     if (argc != 0) {
10139         char **args(argv);
10140         int arge(1);
10141
10142         for (int argi(1); argi != argc; ++argi)
10143             if (strcmp(argv[argi], "--") == 0) {
10144                 arge = argi;
10145                 argv[argi] = argv[0];
10146                 argv += argi;
10147                 argc -= argi;
10148                 break;
10149             }
10150
10151         for (int argi(1); argi != arge; ++argi)
10152             if (strcmp(args[argi], "--substrate") == 0)
10153                 substrate = true;
10154             else
10155                 fprintf(stderr, "unknown argument: %s\n", args[argi]);
10156     }
10157     /* }}} */
10158
10159     App_ = [[NSBundle mainBundle] bundlePath];
10160     Advanced_ = YES;
10161
10162     setuid(0);
10163     setgid(0);
10164
10165     /*Method alloc = class_getClassMethod([NSObject class], @selector(alloc));
10166     alloc_ = alloc->method_imp;
10167     alloc->method_imp = (IMP) &Alloc_;*/
10168
10169     /*Method dealloc = class_getClassMethod([NSObject class], @selector(dealloc));
10170     dealloc_ = dealloc->method_imp;
10171     dealloc->method_imp = (IMP) &Dealloc_;*/
10172
10173     /* System Information {{{ */
10174     size_t size;
10175
10176     int maxproc;
10177     size = sizeof(maxproc);
10178     if (sysctlbyname("kern.maxproc", &maxproc, &size, NULL, 0) == -1)
10179         perror("sysctlbyname(\"kern.maxproc\", ?)");
10180     else if (maxproc < 64) {
10181         maxproc = 64;
10182         if (sysctlbyname("kern.maxproc", NULL, NULL, &maxproc, sizeof(maxproc)) == -1)
10183             perror("sysctlbyname(\"kern.maxproc\", #)");
10184     }
10185
10186     sysctlbyname("kern.osversion", NULL, &size, NULL, 0);
10187     char *osversion = new char[size];
10188     if (sysctlbyname("kern.osversion", osversion, &size, NULL, 0) == -1)
10189         perror("sysctlbyname(\"kern.osversion\", ?)");
10190     else
10191         System_ = [NSString stringWithUTF8String:osversion];
10192
10193     sysctlbyname("hw.machine", NULL, &size, NULL, 0);
10194     char *machine = new char[size];
10195     if (sysctlbyname("hw.machine", machine, &size, NULL, 0) == -1)
10196         perror("sysctlbyname(\"hw.machine\", ?)");
10197     else
10198         Machine_ = machine;
10199
10200     SerialNumber_ = (NSString *) CYIOGetValue("IOService:/", @"IOPlatformSerialNumber");
10201     ChipID_ = [CYHex((NSData *) CYIOGetValue("IODeviceTree:/chosen", @"unique-chip-id"), true) uppercaseString];
10202     BBSNum_ = CYHex((NSData *) CYIOGetValue("IOService:/AppleARMPE/baseband", @"snum"), false);
10203
10204     UniqueID_ = [device uniqueIdentifier];
10205
10206     CFStringRef (*$CTSIMSupportCopyMobileSubscriberCountryCode)(CFAllocatorRef);
10207     $CTSIMSupportCopyMobileSubscriberCountryCode = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberCountryCode"));
10208     CFStringRef mcc($CTSIMSupportCopyMobileSubscriberCountryCode == NULL ? NULL : (*$CTSIMSupportCopyMobileSubscriberCountryCode)(kCFAllocatorDefault));
10209
10210     CFStringRef (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(CFAllocatorRef);
10211     $CTSIMSupportCopyMobileSubscriberNetworkCode = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberCountryCode"));
10212     CFStringRef mnc($CTSIMSupportCopyMobileSubscriberNetworkCode == NULL ? NULL : (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(kCFAllocatorDefault));
10213
10214     if (mcc != NULL && mnc != NULL)
10215         PLMN_ = [NSString stringWithFormat:@"%@%@", mcc, mnc];
10216
10217     if (mnc != NULL)
10218         CFRelease(mnc);
10219     if (mcc != NULL)
10220         CFRelease(mcc);
10221
10222     if (NSDictionary *system = [NSDictionary dictionaryWithContentsOfFile:@"/System/Library/CoreServices/SystemVersion.plist"])
10223         Build_ = [system objectForKey:@"ProductBuildVersion"];
10224     if (NSDictionary *info = [NSDictionary dictionaryWithContentsOfFile:@"/Applications/MobileSafari.app/Info.plist"]) {
10225         Product_ = [info objectForKey:@"SafariProductVersion"];
10226         Safari_ = [info objectForKey:@"CFBundleVersion"];
10227     }
10228     /* }}} */
10229     /* Load Database {{{ */
10230     _trace();
10231     Metadata_ = [[[NSMutableDictionary alloc] initWithContentsOfFile:@"/var/lib/cydia/metadata.plist"] autorelease];
10232     _trace();
10233     SectionMap_ = [[[NSDictionary alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Sections" ofType:@"plist"]] autorelease];
10234
10235     if (Metadata_ == NULL)
10236         Metadata_ = [NSMutableDictionary dictionaryWithCapacity:2];
10237     else {
10238         Settings_ = [Metadata_ objectForKey:@"Settings"];
10239
10240         Packages_ = [Metadata_ objectForKey:@"Packages"];
10241
10242         Values_ = [Metadata_ objectForKey:@"Values"];
10243         Sections_ = [Metadata_ objectForKey:@"Sections"];
10244         Sources_ = [Metadata_ objectForKey:@"Sources"];
10245
10246         Token_ = [Metadata_ objectForKey:@"Token"];
10247
10248         Version_ = [Metadata_ objectForKey:@"Version"];
10249
10250         @synchronized (HostConfig_) {
10251             CydiaSource_ = [Metadata_ objectForKey:@"CydiaSource"];
10252         }
10253     }
10254
10255     if (Settings_ != nil)
10256         Role_ = [Settings_ objectForKey:@"Role"];
10257
10258     if (Values_ == nil) {
10259         Values_ = [[[NSMutableDictionary alloc] initWithCapacity:4] autorelease];
10260         [Metadata_ setObject:Values_ forKey:@"Values"];
10261     }
10262
10263     if (Sections_ == nil) {
10264         Sections_ = [[[NSMutableDictionary alloc] initWithCapacity:32] autorelease];
10265         [Metadata_ setObject:Sections_ forKey:@"Sections"];
10266     }
10267
10268     if (Sources_ == nil) {
10269         Sources_ = [[[NSMutableDictionary alloc] initWithCapacity:0] autorelease];
10270         [Metadata_ setObject:Sources_ forKey:@"Sources"];
10271     }
10272
10273     if (Version_ == nil) {
10274         Version_ = [NSNumber numberWithUnsignedInt:0];
10275         [Metadata_ setObject:Version_ forKey:@"Version"];
10276     }
10277
10278     @synchronized (HostConfig_) {
10279         if (CydiaSource_ == nil) {
10280             CydiaSource_ = @"apt.saurik.com";
10281             [Metadata_ setObject:CydiaSource_ forKey:@"CydiaSource"];
10282         }
10283     }
10284
10285     if ([Version_ unsignedIntValue] == 0) {
10286         AddSource(@"http://apt.thebigboss.org/repofiles/cydia/", @"stable", [NSMutableArray arrayWithObject:@"main"]);
10287         AddSource(@"http://apt.modmyi.com/", @"stable", [NSMutableArray arrayWithObject:@"main"]);
10288         AddSource(@"http://cydia.zodttd.com/repo/cydia/", @"stable", [NSMutableArray arrayWithObject:@"main"]);
10289         AddSource(@"http://repo666.ultrasn0w.com/", @"./");
10290
10291         Version_ = [NSNumber numberWithUnsignedInt:1];
10292         [Metadata_ setObject:Version_ forKey:@"Version"];
10293
10294         [Metadata_ removeObjectForKey:@"LastUpdate"];
10295
10296         Changed_ = true;
10297     }
10298     /* }}} */
10299
10300     WriteSources();
10301
10302     _trace();
10303     MetaFile_.Open("/var/lib/cydia/metadata.cb0");
10304     _trace();
10305
10306     if (Packages_ != nil) {
10307         bool fail(false);
10308         CFDictionaryApplyFunction((CFDictionaryRef) Packages_, &PackageImport, &fail);
10309         _trace();
10310
10311         if (!fail) {
10312             [Metadata_ removeObjectForKey:@"Packages"];
10313             Packages_ = nil;
10314             Changed_ = true;
10315         }
10316     }
10317
10318     Finishes_ = [NSArray arrayWithObjects:@"return", @"reopen", @"restart", @"reload", @"reboot", nil];
10319
10320 #define MobileSubstrate_(name) \
10321     if (substrate && access("/Library/MobileSubstrate/DynamicLibraries/" #name ".dylib", F_OK) == 0) { \
10322         void *handle(dlopen("/Library/MobileSubstrate/DynamicLibraries/" #name ".dylib", RTLD_LAZY | RTLD_GLOBAL)); \
10323         if (handle == NULL) \
10324             NSLog(@"%s", dlerror()); \
10325     }
10326
10327     MobileSubstrate_(Activator)
10328     MobileSubstrate_(libstatusbar)
10329     MobileSubstrate_(SimulatedKeyEvents)
10330     MobileSubstrate_(WinterBoard)
10331
10332     /*if (substrate && access("/Library/MobileSubstrate/MobileSubstrate.dylib", F_OK) == 0)
10333         dlopen("/Library/MobileSubstrate/MobileSubstrate.dylib", RTLD_LAZY | RTLD_GLOBAL);*/
10334
10335     int version([[NSString stringWithContentsOfFile:@"/var/lib/cydia/firmware.ver"] intValue]);
10336
10337     if (access("/tmp/.cydia.fw", F_OK) == 0) {
10338         unlink("/tmp/.cydia.fw");
10339         goto firmware;
10340     } else if (access("/User", F_OK) != 0 || version < 4) {
10341       firmware:
10342         _trace();
10343         system("/usr/libexec/cydia/firmware.sh");
10344         _trace();
10345     }
10346
10347     _assert([[NSFileManager defaultManager]
10348         createDirectoryAtPath:@"/var/cache/apt/archives/partial"
10349         withIntermediateDirectories:YES
10350         attributes:nil
10351         error:NULL
10352     ]);
10353
10354     if (access("/tmp/cydia.chk", F_OK) == 0) {
10355         if (unlink("/var/cache/apt/pkgcache.bin") == -1)
10356             _assert(errno == ENOENT);
10357         if (unlink("/var/cache/apt/srcpkgcache.bin") == -1)
10358             _assert(errno == ENOENT);
10359     }
10360
10361     /* APT Initialization {{{ */
10362     _assert(pkgInitConfig(*_config));
10363     _assert(pkgInitSystem(*_config, _system));
10364
10365     if (lang != NULL)
10366         _config->Set("APT::Acquire::Translation", lang);
10367
10368     // XXX: this timeout might be important :(
10369     //_config->Set("Acquire::http::Timeout", 15);
10370
10371     _config->Set("Acquire::http::MaxParallel", 3);
10372     /* }}} */
10373     /* Color Choices {{{ */
10374     space_ = CGColorSpaceCreateDeviceRGB();
10375
10376     Blue_.Set(space_, 0.2, 0.2, 1.0, 1.0);
10377     Blueish_.Set(space_, 0x19/255.f, 0x32/255.f, 0x50/255.f, 1.0);
10378     Black_.Set(space_, 0.0, 0.0, 0.0, 1.0);
10379     Off_.Set(space_, 0.9, 0.9, 0.9, 1.0);
10380     White_.Set(space_, 1.0, 1.0, 1.0, 1.0);
10381     Gray_.Set(space_, 0.4, 0.4, 0.4, 1.0);
10382     Green_.Set(space_, 0.0, 0.5, 0.0, 1.0);
10383     Purple_.Set(space_, 0.0, 0.0, 0.7, 1.0);
10384     Purplish_.Set(space_, 0.4, 0.4, 0.8, 1.0);
10385
10386     InstallingColor_ = [UIColor colorWithRed:0.88f green:1.00f blue:0.88f alpha:1.00f];
10387     RemovingColor_ = [UIColor colorWithRed:1.00f green:0.88f blue:0.88f alpha:1.00f];
10388     /* }}}*/
10389     /* UIKit Configuration {{{ */
10390     void (*$GSFontSetUseLegacyFontMetrics)(BOOL)(reinterpret_cast<void (*)(BOOL)>(dlsym(RTLD_DEFAULT, "GSFontSetUseLegacyFontMetrics")));
10391     if ($GSFontSetUseLegacyFontMetrics != NULL)
10392         $GSFontSetUseLegacyFontMetrics(YES);
10393
10394     // XXX: I have a feeling this was important
10395     //UIKeyboardDisableAutomaticAppearance();
10396     /* }}} */
10397
10398     Colon_ = UCLocalize("COLON_DELIMITED");
10399     Elision_ = UCLocalize("ELISION");
10400     Error_ = UCLocalize("ERROR");
10401     Warning_ = UCLocalize("WARNING");
10402
10403     _trace();
10404     int value(UIApplicationMain(argc, argv, @"Cydia", @"Cydia"));
10405
10406     CGColorSpaceRelease(space_);
10407     CFRelease(Locale_);
10408
10409     [pool release];
10410     return value;
10411 }