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 "UICaboodle/UCPlatform.h"
  45 #include "UICaboodle/UCLocalize.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 <WebCore/WebCoreThread.h>
  70
  71 #include <algorithm>
  72 #include <iomanip>
  73 #include <sstream>
  74 #include <string>
  75
  76 #include <ext/stdio_filebuf.h>
  77
  78 #undef ABS
  79
  80 #include <apt-pkg/acquire.h>
  81 #include <apt-pkg/acquire-item.h>
  82 #include <apt-pkg/algorithms.h>
  83 #include <apt-pkg/cachefile.h>
  84 #include <apt-pkg/clean.h>
  85 #include <apt-pkg/configuration.h>
  86 #include <apt-pkg/debindexfile.h>
  87 #include <apt-pkg/debmetaindex.h>
  88 #include <apt-pkg/error.h>
  89 #include <apt-pkg/init.h>
  90 #include <apt-pkg/mmap.h>
  91 #include <apt-pkg/pkgrecords.h>
  92 #include <apt-pkg/sha1.h>
  93 #include <apt-pkg/sourcelist.h>
  94 #include <apt-pkg/sptr.h>
  95 #include <apt-pkg/strutl.h>
  96 #include <apt-pkg/tagfile.h>
  97
  98 #include <apr-1/apr_pools.h>
  99
 100 #include <sys/types.h>
 101 #include <sys/stat.h>
 102 #include <sys/sysctl.h>
 103 #include <sys/param.h>
 104 #include <sys/mount.h>
 105 #include <sys/reboot.h>
 106
 107 #include <fcntl.h>
 108 #include <notify.h>
 109 #include <dlfcn.h>
 110
 111 extern "C" {
 112 #include <mach-o/nlist.h>
 113 }
 114
 115 #include <cstdio>
 116 #include <cstdlib>
 117 #include <cstring>
 118
 119 #include <errno.h>
 120 #include <pcre.h>
 121
 122 #include <Cytore.hpp>
 123
 124 #include "UICaboodle/BrowserView.h"
 125 #include "SDURLCache/SDURLCache.h"
 126
 127 #include "substrate.h"
 128 /* }}} */
 129
 130 /* Profiler {{{ */
 131 struct timeval _ltv;
 132 bool _itv;
 133
 134 #define _timestamp ({ \
 135     struct timeval tv; \
 136     gettimeofday(&tv, NULL); \
 137     tv.tv_sec * 1000000 + tv.tv_usec; \
 138 })
 139
 140 typedef std::vector<class ProfileTime *> TimeList;
 141 TimeList times_;
 142
 143 class ProfileTime {
 144   private:
 145     const char *name_;
 146     uint64_t total_;
 147     uint64_t count_;
 148
 149   public:
 150     ProfileTime(const char *name) :
 151         name_(name),
 152         total_(0)
 153     {
 154         times_.push_back(this);
 155     }
 156
 157     void AddTime(uint64_t time) {
 158         total_ += time;
 159         ++count_;
 160     }
 161
 162     void Print() {
 163         if (total_ != 0)
 164             std::cerr << std::setw(5) << count_ << ", " << std::setw(7) << total_ << " : " << name_ << std::endl;
 165         total_ = 0;
 166         count_ = 0;
 167     }
 168 };
 169
 170 class ProfileTimer {
 171   private:
 172     ProfileTime &time_;
 173     uint64_t start_;
 174
 175   public:
 176     ProfileTimer(ProfileTime &time) :
 177         time_(time),
 178         start_(_timestamp)
 179     {
 180     }
 181
 182     ~ProfileTimer() {
 183         time_.AddTime(_timestamp - start_);
 184     }
 185 };
 186
 187 void PrintTimes() {
 188     for (TimeList::const_iterator i(times_.begin()); i != times_.end(); ++i)
 189         (*i)->Print();
 190     std::cerr << "========" << std::endl;
 191 }
 192
 193 #define _profile(name) { \
 194     static ProfileTime name(#name); \
 195     ProfileTimer _ ## name(name);
 196
 197 #define _end }
 198 /* }}} */
 199
 200 #define _pooled _H<NSAutoreleasePool> _pool([[NSAutoreleasePool alloc] init], true);
 201
 202 #define CYPoolStart() \
 203     NSAutoreleasePool *_pool([[NSAutoreleasePool alloc] init]); \
 204     do
 205 #define CYPoolEnd() \
 206     while (false); \
 207     [_pool release];
 208
 209 #define Cydia_ CYDIA_VERSION
 210
 211 #define lprintf(args...) fprintf(stderr, args)
 212
 213 #define ForRelease 1
 214 #define TraceLogging (1 && !ForRelease)
 215 #define HistogramInsertionSort (!ForRelease ? 0 : 0)
 216 #define ProfileTimes (0 && !ForRelease)
 217 #define ForSaurik (0 && !ForRelease)
 218 #define LogBrowser (0 && !ForRelease)
 219 #define TrackResize (0 && !ForRelease)
 220 #define ManualRefresh (1 && !ForRelease)
 221 #define ShowInternals (0 && !ForRelease)
 222 #define AlwaysReload (0 && !ForRelease)
 223 #define TryIndexedCollation (0 && !ForRelease)
 224
 225 #if !TraceLogging
 226 #undef _trace
 227 #define _trace(args...)
 228 #endif
 229
 230 #if !ProfileTimes
 231 #undef _profile
 232 #define _profile(name) {
 233 #undef _end
 234 #define _end }
 235 #define PrintTimes() do {} while (false)
 236 #endif
 237
 238 // Hash Functions/Structures {{{
 239 extern "C" uint32_t hashlittle(const void *key, size_t length, uint32_t initval = 0);
 240
 241 union SplitHash {
 242     uint32_t u32;
 243     uint16_t u16[2];
 244 };
 245 // }}}
 246
 247 static const NSUInteger UIViewAutoresizingFlexibleBoth(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight);
 248
 249 static _finline NSString *CydiaURL(NSString *path) {
 250     char page[26];
 251     page[0] = 'h'; page[1] = 't'; page[2] = 't'; page[3] = 'p'; page[4] = 's';
 252     page[5] = ':'; page[6] = '/'; page[7] = '/'; page[8] = 'c'; page[9] = 'y';
 253     page[10] = 'd'; page[11] = 'i'; page[12] = 'a'; page[13] = '.'; page[14] = 's';
 254     page[15] = 'a'; page[16] = 'u'; page[17] = 'r'; page[18] = 'i'; page[19] = 'k';
 255     page[20] = '.'; page[21] = 'c'; page[22] = 'o'; page[23] = 'm'; page[24] = '/';
 256     page[25] = '\0';
 257     return [[NSString stringWithUTF8String:page] stringByAppendingString:path];
 258 }
 259
 260 static _finline void UpdateExternalStatus(uint64_t newStatus) {
 261     int notify_token;
 262     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
 263         notify_set_state(notify_token, newStatus);
 264         notify_cancel(notify_token);
 265     }
 266     notify_post("com.saurik.Cydia.status");
 267 }
 268
 269 /* [NSObject yieldToSelector:(withObject:)] {{{*/
 270 @interface NSObject (Cydia)
 271 - (id) yieldToSelector:(SEL)selector withObject:(id)object;
 272 - (id) yieldToSelector:(SEL)selector;
 273 @end
 274
 275 @implementation NSObject (Cydia)
 276
 277 - (void) doNothing {
 278 }
 279
 280 - (void) _yieldToContext:(NSMutableArray *)context { _pooled
 281     SEL selector(reinterpret_cast<SEL>([[context objectAtIndex:0] pointerValue]));
 282     id object([[context objectAtIndex:1] nonretainedObjectValue]);
 283     volatile bool &stopped(*reinterpret_cast<bool *>([[context objectAtIndex:2] pointerValue]));
 284
 285     /* XXX: deal with exceptions */
 286     id value([self performSelector:selector withObject:object]);
 287
 288     NSMethodSignature *signature([self methodSignatureForSelector:selector]);
 289     [context removeAllObjects];
 290     if ([signature methodReturnLength] != 0 && value != nil)
 291         [context addObject:value];
 292
 293     stopped = true;
 294
 295     [self
 296         performSelectorOnMainThread:@selector(doNothing)
 297         withObject:nil
 298         waitUntilDone:NO
 299     ];
 300 }
 301
 302 - (id) yieldToSelector:(SEL)selector withObject:(id)object {
 303     volatile bool stopped(false);
 304
 305     NSMutableArray *context([NSMutableArray arrayWithObjects:
 306         [NSValue valueWithPointer:selector],
 307         [NSValue valueWithNonretainedObject:object],
 308         [NSValue valueWithPointer:const_cast<bool *>(&stopped)],
 309     nil]);
 310
 311     NSThread *thread([[[NSThread alloc]
 312         initWithTarget:self
 313         selector:@selector(_yieldToContext:)
 314         object:context
 315     ] autorelease]);
 316
 317     [thread start];
 318
 319     NSRunLoop *loop([NSRunLoop currentRunLoop]);
 320     NSDate *future([NSDate distantFuture]);
 321     NSString *mode([loop currentMode] ?: NSDefaultRunLoopMode);
 322
 323 _trace();
 324     while (!stopped && [loop runMode:mode beforeDate:future]);
 325 _trace();
 326
 327     return [context count] == 0 ? nil : [context objectAtIndex:0];
 328 }
 329
 330 - (id) yieldToSelector:(SEL)selector {
 331     return [self yieldToSelector:selector withObject:nil];
 332 }
 333
 334 @end
 335 /* }}} */
 336
 337 /* Cydia Alert View {{{ */
 338 @interface CYAlertView : UIAlertView {
 339     unsigned button_;
 340 }
 341
 342 - (int) yieldToPopupAlertAnimated:(BOOL)animated;
 343
 344 @end
 345
 346 @implementation CYAlertView
 347
 348 - (id) initWithTitle:(NSString *)title buttons:(NSArray *)buttons defaultButtonIndex:(int)index {
 349     if ((self = [super init]) != nil) {
 350         [self setTitle:title];
 351         [self setDelegate:self];
 352         for (NSString *button in buttons) [self addButtonWithTitle:button];
 353         [self setCancelButtonIndex:index];
 354     } return self;
 355 }
 356
 357 - (void) _updateFrameForDisplay {
 358     [super _updateFrameForDisplay];
 359     if ([self cancelButtonIndex] == -1) {
 360         NSArray *buttons = [self buttons];
 361         if ([buttons count]) {
 362             UIImage *background = [[buttons objectAtIndex:0] backgroundForState:0];
 363             for (UIThreePartButton *button in buttons)
 364                 [button setBackground:background forState:0];
 365         }
 366     }
 367 }
 368
 369 - (void) alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {
 370     button_ = buttonIndex + 1;
 371 }
 372
 373 - (void) dismiss {
 374     [self dismissWithClickedButtonIndex:-1 animated:YES];
 375 }
 376
 377 - (int) yieldToPopupAlertAnimated:(BOOL)animated {
 378     [self setRunsModal:YES];
 379     button_ = 0;
 380     [self show];
 381     return button_;
 382 }
 383
 384 @end
 385 /* }}} */
 386
 387 /* NSForcedOrderingSearch doesn't work on the iPhone */
 388 static const NSStringCompareOptions MatchCompareOptions_ = NSLiteralSearch | NSCaseInsensitiveSearch;
 389 static const NSStringCompareOptions LaxCompareOptions_ = NSNumericSearch | NSDiacriticInsensitiveSearch | NSWidthInsensitiveSearch | NSCaseInsensitiveSearch;
 390 static const CFStringCompareFlags LaxCompareFlags_ = kCFCompareCaseInsensitive | kCFCompareNonliteral | kCFCompareLocalized | kCFCompareNumerically | kCFCompareWidthInsensitive | kCFCompareForcedOrdering;
 391
 392 /* Radix Sort {{{ */
 393 typedef uint32_t (*SKRadixFunction)(id, void *);
 394
 395 @interface NSMutableArray (Radix)
 396 - (void) radixSortUsingFunction:(SKRadixFunction)function withContext:(void *)argument;
 397 @end
 398
 399 struct RadixItem_ {
 400     size_t index;
 401     uint32_t key;
 402 };
 403
 404 @implementation NSMutableArray (Radix)
 405
 406 - (void) radixSortUsingFunction:(SKRadixFunction)function withContext:(void *)argument {
 407     size_t count([self count]);
 408     struct RadixItem_ *swap(new RadixItem_[count * 2]);
 409
 410     for (size_t i(0); i != count; ++i) {
 411         RadixItem_ &item(swap[i]);
 412         item.index = i;
 413
 414         id object([self objectAtIndex:i]);
 415         item.key = function(object, argument);
 416     }
 417
 418     struct RadixItem_ *lhs(swap), *rhs(swap + count);
 419
 420     static const size_t width = 32;
 421     static const size_t bits = 11;
 422     static const size_t slots = 1 << bits;
 423     static const size_t passes = (width + (bits - 1)) / bits;
 424
 425     size_t *hist(new size_t[slots]);
 426
 427     for (size_t pass(0); pass != passes; ++pass) {
 428         memset(hist, 0, sizeof(size_t) * slots);
 429
 430         for (size_t i(0); i != count; ++i) {
 431             uint32_t key(lhs[i].key);
 432             key >>= pass * bits;
 433             key &= _not(uint32_t) >> width - bits;
 434             ++hist[key];
 435         }
 436
 437         size_t offset(0);
 438         for (size_t i(0); i != slots; ++i) {
 439             size_t local(offset);
 440             offset += hist[i];
 441             hist[i] = local;
 442         }
 443
 444         for (size_t i(0); i != count; ++i) {
 445             uint32_t key(lhs[i].key);
 446             key >>= pass * bits;
 447             key &= _not(uint32_t) >> width - bits;
 448             rhs[hist[key]++] = lhs[i];
 449         }
 450
 451         RadixItem_ *tmp(lhs);
 452         lhs = rhs;
 453         rhs = tmp;
 454     }
 455
 456     delete [] hist;
 457
 458     const void **values(new const void *[count]);
 459     for (size_t i(0); i != count; ++i)
 460         values[i] = [self objectAtIndex:lhs[i].index];
 461     CFArrayReplaceValues((CFMutableArrayRef) self, CFRangeMake(0, count), values, count);
 462     delete [] values;
 463
 464     delete [] swap;
 465 }
 466
 467 @end
 468 /* }}} */
 469 /* Insertion Sort {{{ */
 470
 471 CFIndex SKBSearch_(const void *element, CFIndex elementSize, const void *list, CFIndex count, CFComparatorFunction comparator, void *context) {
 472     const char *ptr = (const char *)list;
 473     while (0 < count) {
 474         CFIndex half = count / 2;
 475         const char *probe = ptr + elementSize * half;
 476         CFComparisonResult cr = comparator(element, probe, context);
 477     if (0 == cr) return (probe - (const char *)list) / elementSize;
 478         ptr = (cr < 0) ? ptr : probe + elementSize;
 479         count = (cr < 0) ? half : (half + (count & 1) - 1);
 480     }
 481     return (ptr - (const char *)list) / elementSize;
 482 }
 483
 484 CFIndex CFBSearch_(const void *element, CFIndex elementSize, const void *list, CFIndex count, CFComparatorFunction comparator, void *context) {
 485     const char *ptr = (const char *)list;
 486     while (0 < count) {
 487         CFIndex half = count / 2;
 488         const char *probe = ptr + elementSize * half;
 489         CFComparisonResult cr = comparator(element, probe, context);
 490     if (0 == cr) return (probe - (const char *)list) / elementSize;
 491         ptr = (cr < 0) ? ptr : probe + elementSize;
 492         count = (cr < 0) ? half : (half + (count & 1) - 1);
 493     }
 494     return (ptr - (const char *)list) / elementSize;
 495 }
 496
 497 void CFArrayInsertionSortValues(CFMutableArrayRef array, CFRange range, CFComparatorFunction comparator, void *context) {
 498     if (range.length == 0)
 499         return;
 500     const void **values(new const void *[range.length]);
 501     CFArrayGetValues(array, range, values);
 502
 503 #if HistogramInsertionSort > 0
 504     uint32_t total(0), *offsets(new uint32_t[range.length]);
 505 #endif
 506
 507     for (CFIndex index(1); index != range.length; ++index) {
 508         const void *value(values[index]);
 509         //CFIndex correct(SKBSearch_(&value, sizeof(const void *), values, index, comparator, context));
 510         CFIndex correct(index);
 511         while (comparator(value, values[correct - 1], context) == kCFCompareLessThan) {
 512 #if HistogramInsertionSort > 1
 513             NSLog(@"%@ < %@", value, values[correct - 1]);
 514 #endif
 515             if (--correct == 0)
 516                 break;
 517         }
 518         if (correct != index) {
 519             size_t offset(index - correct);
 520 #if HistogramInsertionSort
 521             total += offset;
 522             ++offsets[offset];
 523             if (offset > 10)
 524                 NSLog(@"Heavy Insertion Displacement: %u = %@", offset, value);
 525 #endif
 526             memmove(values + correct + 1, values + correct, sizeof(const void *) * offset);
 527             values[correct] = value;
 528         }
 529     }
 530
 531     CFArrayReplaceValues(array, range, values, range.length);
 532     delete [] values;
 533
 534 #if HistogramInsertionSort > 0
 535     for (CFIndex index(0); index != range.length; ++index)
 536         if (offsets[index] != 0)
 537             NSLog(@"Insertion Displacement [%u]: %u", index, offsets[index]);
 538     NSLog(@"Average Insertion Displacement: %f", double(total) / range.length);
 539     delete [] offsets;
 540 #endif
 541 }
 542
 543 /* }}} */
 544
 545 /* Apple Bug Fixes {{{ */
 546 @implementation UIWebDocumentView (Cydia)
 547
 548 - (void) _setScrollerOffset:(CGPoint)offset {
 549     UIScroller *scroller([self _scroller]);
 550
 551     CGSize size([scroller contentSize]);
 552     CGSize bounds([scroller bounds].size);
 553
 554     CGPoint max;
 555     max.x = size.width - bounds.width;
 556     max.y = size.height - bounds.height;
 557
 558     // wtf Apple?!
 559     if (max.x < 0)
 560         max.x = 0;
 561     if (max.y < 0)
 562         max.y = 0;
 563
 564     offset.x = offset.x < 0 ? 0 : offset.x > max.x ? max.x : offset.x;
 565     offset.y = offset.y < 0 ? 0 : offset.y > max.y ? max.y : offset.y;
 566
 567     [scroller setOffset:offset];
 568 }
 569
 570 @end
 571 /* }}} */
 572
 573 @interface NSInvocation (Cydia)
 574 + (NSInvocation *) invocationWithSelector:(SEL)selector forTarget:(id)target;
 575 @end
 576
 577 @implementation NSInvocation (Cydia)
 578
 579 + (NSInvocation *) invocationWithSelector:(SEL)selector forTarget:(id)target {
 580     NSInvocation *invocation([NSInvocation invocationWithMethodSignature:[target methodSignatureForSelector:selector]]);
 581     [invocation setTarget:target];
 582     [invocation setSelector:selector];
 583     return invocation;
 584 }
 585
 586 @end
 587
 588 @implementation WebScriptObject (NSFastEnumeration)
 589
 590 - (NSUInteger) countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)objects count:(NSUInteger)count {
 591     size_t length([self count] - state->state);
 592     if (length <= 0)
 593         return 0;
 594     else if (length > count)
 595         length = count;
 596     for (size_t i(0); i != length; ++i)
 597         objects[i] = [self objectAtIndex:state->state++];
 598     state->itemsPtr = objects;
 599     state->mutationsPtr = (unsigned long *) self;
 600     return length;
 601 }
 602
 603 @end
 604
 605 NSUInteger DOMNodeList$countByEnumeratingWithState$objects$count$(DOMNodeList *self, SEL sel, NSFastEnumerationState *state, id *objects, NSUInteger count) {
 606     size_t length([self length] - state->state);
 607     if (length <= 0)
 608         return 0;
 609     else if (length > count)
 610         length = count;
 611     for (size_t i(0); i != length; ++i)
 612         objects[i] = [self item:state->state++];
 613     state->itemsPtr = objects;
 614     state->mutationsPtr = (unsigned long *) self;
 615     return length;
 616 }
 617
 618 /* Cydia NSString Additions {{{ */
 619 @interface NSString (Cydia)
 620 + (NSString *) stringWithUTF8BytesNoCopy:(const char *)bytes length:(int)length;
 621 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length withZone:(NSZone *)zone inPool:(apr_pool_t *)pool;
 622 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length;
 623 - (NSComparisonResult) compareByPath:(NSString *)other;
 624 - (NSString *) stringByCachingURLWithCurrentCDN;
 625 - (NSString *) stringByAddingPercentEscapesIncludingReserved;
 626 @end
 627
 628 @implementation NSString (Cydia)
 629
 630 + (NSString *) stringWithUTF8BytesNoCopy:(const char *)bytes length:(int)length {
 631     return [[[NSString alloc] initWithBytesNoCopy:const_cast<char *>(bytes) length:length encoding:NSUTF8StringEncoding freeWhenDone:NO] autorelease];
 632 }
 633
 634 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length withZone:(NSZone *)zone inPool:(apr_pool_t *)pool {
 635     char *data(reinterpret_cast<char *>(apr_palloc(pool, length)));
 636     memcpy(data, bytes, length);
 637     return [[[NSString allocWithZone:zone] initWithBytesNoCopy:data length:length encoding:NSUTF8StringEncoding freeWhenDone:NO] autorelease];
 638 }
 639
 640 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length {
 641     return [[[NSString alloc] initWithBytes:bytes length:length encoding:NSUTF8StringEncoding] autorelease];
 642 }
 643
 644 - (NSComparisonResult) compareByPath:(NSString *)other {
 645     NSString *prefix = [self commonPrefixWithString:other options:0];
 646     size_t length = [prefix length];
 647
 648     NSRange lrange = NSMakeRange(length, [self length] - length);
 649     NSRange rrange = NSMakeRange(length, [other length] - length);
 650
 651     lrange = [self rangeOfString:@"/" options:0 range:lrange];
 652     rrange = [other rangeOfString:@"/" options:0 range:rrange];
 653
 654     NSComparisonResult value;
 655
 656     if (lrange.location == NSNotFound && rrange.location == NSNotFound)
 657         value = NSOrderedSame;
 658     else if (lrange.location == NSNotFound)
 659         value = NSOrderedAscending;
 660     else if (rrange.location == NSNotFound)
 661         value = NSOrderedDescending;
 662     else
 663         value = NSOrderedSame;
 664
 665     NSString *lpath = lrange.location == NSNotFound ? [self substringFromIndex:length] :
 666         [self substringWithRange:NSMakeRange(length, lrange.location - length)];
 667     NSString *rpath = rrange.location == NSNotFound ? [other substringFromIndex:length] :
 668         [other substringWithRange:NSMakeRange(length, rrange.location - length)];
 669
 670     NSComparisonResult result = [lpath compare:rpath];
 671     return result == NSOrderedSame ? value : result;
 672 }
 673
 674 - (NSString *) stringByCachingURLWithCurrentCDN {
 675     return [self
 676         stringByReplacingOccurrencesOfString:@"://cydia.saurik.com/"
 677         withString:@"://cache.cydia.saurik.com/"
 678     ];
 679 }
 680
 681 - (NSString *) stringByAddingPercentEscapesIncludingReserved {
 682     return [(id)CFURLCreateStringByAddingPercentEscapes(
 683         kCFAllocatorDefault,
 684         (CFStringRef) self,
 685         NULL,
 686         CFSTR(";/?:@&=+$,"),
 687         kCFStringEncodingUTF8
 688     ) autorelease];
 689 }
 690
 691 @end
 692 /* }}} */
 693
 694 /* C++ NSString Wrapper Cache {{{ */
 695 static _finline CFStringRef CYStringCreate(const char *data, size_t size) {
 696     return size == 0 ? NULL :
 697         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingUTF8, NO, kCFAllocatorNull) ?:
 698         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingISOLatin1, NO, kCFAllocatorNull);
 699 }
 700
 701 static _finline CFStringRef CYStringCreate(const char *data) {
 702     return CYStringCreate(data, strlen(data));
 703 }
 704
 705 class CYString {
 706   private:
 707     char *data_;
 708     size_t size_;
 709     CFStringRef cache_;
 710
 711     _finline void clear_() {
 712         if (cache_ != NULL) {
 713             CFRelease(cache_);
 714             cache_ = NULL;
 715         }
 716     }
 717
 718   public:
 719     _finline bool empty() const {
 720         return size_ == 0;
 721     }
 722
 723     _finline size_t size() const {
 724         return size_;
 725     }
 726
 727     _finline char *data() const {
 728         return data_;
 729     }
 730
 731     _finline void clear() {
 732         size_ = 0;
 733         clear_();
 734     }
 735
 736     _finline CYString() :
 737         data_(0),
 738         size_(0),
 739         cache_(NULL)
 740     {
 741     }
 742
 743     _finline ~CYString() {
 744         clear_();
 745     }
 746
 747     void operator =(const CYString &rhs) {
 748         data_ = rhs.data_;
 749         size_ = rhs.size_;
 750
 751         if (rhs.cache_ == nil)
 752             cache_ = NULL;
 753         else
 754             cache_ = reinterpret_cast<CFStringRef>(CFRetain(rhs.cache_));
 755     }
 756
 757     void copy(apr_pool_t *pool) {
 758         char *temp(reinterpret_cast<char *>(apr_palloc(pool, size_ + 1)));
 759         memcpy(temp, data_, size_);
 760         temp[size_] = '\0';
 761         data_ = temp;
 762     }
 763
 764     void set(apr_pool_t *pool, const char *data, size_t size) {
 765         if (size == 0)
 766             clear();
 767         else {
 768             clear_();
 769
 770             data_ = const_cast<char *>(data);
 771             size_ = size;
 772
 773             if (pool != NULL)
 774                 copy(pool);
 775         }
 776     }
 777
 778     _finline void set(apr_pool_t *pool, const char *data) {
 779         set(pool, data, data == NULL ? 0 : strlen(data));
 780     }
 781
 782     _finline void set(apr_pool_t *pool, const std::string &rhs) {
 783         set(pool, rhs.data(), rhs.size());
 784     }
 785
 786     bool operator ==(const CYString &rhs) const {
 787         return size_ == rhs.size_ && memcmp(data_, rhs.data_, size_) == 0;
 788     }
 789
 790     _finline operator CFStringRef() {
 791         if (cache_ == NULL)
 792             cache_ = CYStringCreate(data_, size_);
 793         return cache_;
 794     }
 795
 796     _finline operator id() {
 797         return (NSString *) static_cast<CFStringRef>(*this);
 798     }
 799
 800     _finline operator const char *() {
 801         return reinterpret_cast<const char *>(data_);
 802     }
 803 };
 804 /* }}} */
 805 /* C++ NSString Algorithm Adapters {{{ */
 806 extern "C" {
 807     CF_EXPORT CFHashCode CFStringHashNSString(CFStringRef str);
 808 }
 809
 810 struct NSStringMapHash :
 811     std::unary_function<NSString *, size_t>
 812 {
 813     _finline size_t operator ()(NSString *value) const {
 814         return CFStringHashNSString((CFStringRef) value);
 815     }
 816 };
 817
 818 struct NSStringMapLess :
 819     std::binary_function<NSString *, NSString *, bool>
 820 {
 821     _finline bool operator ()(NSString *lhs, NSString *rhs) const {
 822         return [lhs compare:rhs] == NSOrderedAscending;
 823     }
 824 };
 825
 826 struct NSStringMapEqual :
 827     std::binary_function<NSString *, NSString *, bool>
 828 {
 829     _finline bool operator ()(NSString *lhs, NSString *rhs) const {
 830         return CFStringCompare((CFStringRef) lhs, (CFStringRef) rhs, 0) == kCFCompareEqualTo;
 831         //CFEqual((CFTypeRef) lhs, (CFTypeRef) rhs);
 832         //[lhs isEqualToString:rhs];
 833     }
 834 };
 835 /* }}} */
 836
 837 /* Perl-Compatible RegEx {{{ */
 838 class Pcre {
 839   private:
 840     pcre *code_;
 841     pcre_extra *study_;
 842     int capture_;
 843     int *matches_;
 844     const char *data_;
 845
 846   public:
 847     Pcre() :
 848         code_(NULL),
 849         study_(NULL)
 850     {
 851     }
 852
 853     Pcre(const char *regex) :
 854         code_(NULL),
 855         study_(NULL)
 856     {
 857         this->operator =(regex);
 858     }
 859
 860     void operator =(const char *regex) {
 861         _assert(code_ == NULL);
 862
 863         const char *error;
 864         int offset;
 865         code_ = pcre_compile(regex, 0, &error, &offset, NULL);
 866
 867         if (code_ == NULL) {
 868             lprintf("%d:%s\n", offset, error);
 869             _assert(false);
 870         }
 871
 872         pcre_fullinfo(code_, study_, PCRE_INFO_CAPTURECOUNT, &capture_);
 873         matches_ = new int[(capture_ + 1) * 3];
 874     }
 875
 876     ~Pcre() {
 877         pcre_free(code_);
 878         delete matches_;
 879     }
 880
 881     NSString *operator [](size_t match) const {
 882         return [NSString stringWithUTF8Bytes:(data_ + matches_[match * 2]) length:(matches_[match * 2 + 1] - matches_[match * 2])];
 883     }
 884
 885     _finline bool operator ()(NSString *data) {
 886         // XXX: length is for characters, not for bytes
 887         return operator ()([data UTF8String], [data length]);
 888     }
 889
 890     _finline bool operator ()(const char *data) {
 891         return operator ()(data, strlen(data));
 892     }
 893
 894     bool operator ()(const char *data, size_t size) {
 895         data_ = data;
 896         return pcre_exec(code_, study_, data, size, 0, 0, matches_, (capture_ + 1) * 3) >= 0;
 897     }
 898
 899     NSString *operator ->*(NSString *format) const {
 900         id values[capture_];
 901         for (int i(0); i != capture_; ++i)
 902             values[i] = this->operator [](i + 1);
 903
 904         return [[[NSString alloc] initWithFormat:format arguments:reinterpret_cast<va_list>(values)] autorelease];
 905     }
 906 };
 907 /* }}} */
 908 /* Mime Addresses {{{ */
 909 @interface Address : NSObject {
 910     NSString *name_;
 911     NSString *address_;
 912 }
 913
 914 - (NSString *) name;
 915 - (NSString *) address;
 916
 917 - (void) setAddress:(NSString *)address;
 918
 919 + (Address *) addressWithString:(NSString *)string;
 920 - (Address *) initWithString:(NSString *)string;
 921
 922 @end
 923
 924 @implementation Address
 925
 926 - (void) dealloc {
 927     [name_ release];
 928     if (address_ != nil)
 929         [address_ release];
 930     [super dealloc];
 931 }
 932
 933 - (NSString *) name {
 934     return name_;
 935 }
 936
 937 - (NSString *) address {
 938     return address_;
 939 }
 940
 941 - (void) setAddress:(NSString *)address {
 942     if (address_ != nil)
 943         [address_ autorelease];
 944     if (address == nil)
 945         address_ = nil;
 946     else
 947         address_ = [address retain];
 948 }
 949
 950 + (Address *) addressWithString:(NSString *)string {
 951     return [[[Address alloc] initWithString:string] autorelease];
 952 }
 953
 954 + (NSArray *) _attributeKeys {
 955     return [NSArray arrayWithObjects:
 956         @"address",
 957         @"name",
 958     nil];
 959 }
 960
 961 - (NSArray *) attributeKeys {
 962     return [[self class] _attributeKeys];
 963 }
 964
 965 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
 966     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
 967 }
 968
 969 - (Address *) initWithString:(NSString *)string {
 970     if ((self = [super init]) != nil) {
 971         const char *data = [string UTF8String];
 972         size_t size = [string length];
 973
 974         static Pcre address_r("^\"?(.*)\"? <([^>]*)>$");
 975
 976         if (address_r(data, size)) {
 977             name_ = [address_r[1] retain];
 978             address_ = [address_r[2] retain];
 979         } else {
 980             name_ = [string retain];
 981             address_ = nil;
 982         }
 983     } return self;
 984 }
 985
 986 @end
 987 /* }}} */
 988 /* CoreGraphics Primitives {{{ */
 989 class CYColor {
 990   private:
 991     CGColorRef color_;
 992
 993     static CGColorRef Create_(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
 994         CGFloat color[] = {red, green, blue, alpha};
 995         return CGColorCreate(space, color);
 996     }
 997
 998   public:
 999     CYColor() :
1000         color_(NULL)
1001     {
1002     }
1003
1004     CYColor(CGColorSpaceRef space, float red, float green, float blue, float alpha) :
1005         color_(Create_(space, red, green, blue, alpha))
1006     {
1007         Set(space, red, green, blue, alpha);
1008     }
1009
1010     void Clear() {
1011         if (color_ != NULL)
1012             CGColorRelease(color_);
1013     }
1014
1015     ~CYColor() {
1016         Clear();
1017     }
1018
1019     void Set(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
1020         Clear();
1021         color_ = Create_(space, red, green, blue, alpha);
1022     }
1023
1024     operator CGColorRef() {
1025         return color_;
1026     }
1027 };
1028 /* }}} */
1029
1030 /* Random Global Variables {{{ */
1031 static const int PulseInterval_ = 50000;
1032
1033 static const NSString *UI_;
1034
1035 static int Finish_;
1036 static bool RestartSubstrate_;
1037 static NSArray *Finishes_;
1038
1039 #define SpringBoard_ "/System/Library/LaunchDaemons/com.apple.SpringBoard.plist"
1040 #define NotifyConfig_ "/etc/notify.conf"
1041
1042 static bool Queuing_;
1043
1044 static CYColor Blue_;
1045 static CYColor Blueish_;
1046 static CYColor Black_;
1047 static CYColor Off_;
1048 static CYColor White_;
1049 static CYColor Gray_;
1050 static CYColor Green_;
1051 static CYColor Purple_;
1052 static CYColor Purplish_;
1053
1054 static UIColor *InstallingColor_;
1055 static UIColor *RemovingColor_;
1056
1057 static NSString *App_;
1058
1059 static BOOL Advanced_;
1060 static BOOL Ignored_;
1061
1062 static UIFont *Font12_;
1063 static UIFont *Font12Bold_;
1064 static UIFont *Font14_;
1065 static UIFont *Font18Bold_;
1066 static UIFont *Font22Bold_;
1067
1068 static const char *Machine_ = NULL;
1069 static NSString *System_ = nil;
1070 static NSString *SerialNumber_ = nil;
1071 static NSString *ChipID_ = nil;
1072 static _H<NSString> Token_;
1073 static NSString *UniqueID_ = nil;
1074 static NSString *PLMN_ = nil;
1075 static NSString *Build_ = nil;
1076 static NSString *Product_ = nil;
1077 static NSString *Safari_ = nil;
1078
1079 static CFLocaleRef Locale_;
1080 static NSArray *Languages_;
1081 static CGColorSpaceRef space_;
1082
1083 static NSDictionary *SectionMap_;
1084 static NSMutableDictionary *Metadata_;
1085 static _transient NSMutableDictionary *Settings_;
1086 static _transient NSString *Role_;
1087 static _transient NSMutableDictionary *Packages_;
1088 static _transient NSMutableDictionary *Sections_;
1089 static _transient NSMutableDictionary *Sources_;
1090 static bool Changed_;
1091 static time_t now_;
1092
1093 bool IsWildcat_;
1094 static CGFloat ScreenScale_;
1095 static NSString *Idiom_;
1096
1097 static NSMutableDictionary *SessionData_;
1098 static NSObject *HostConfig_;
1099 static NSMutableSet *BridgedHosts_;
1100 static NSMutableSet *PipelinedHosts_;
1101
1102 static NSString *kCydiaProgressEventTypeError = @"Error";
1103 static NSString *kCydiaProgressEventTypeInformation = @"Information";
1104 static NSString *kCydiaProgressEventTypeStatus = @"Status";
1105 static NSString *kCydiaProgressEventTypeWarning = @"Warning";
1106 /* }}} */
1107
1108 /* Display Helpers {{{ */
1109 inline float Interpolate(float begin, float end, float fraction) {
1110     return (end - begin) * fraction + begin;
1111 }
1112
1113 static _finline const char *StripVersion_(const char *version) {
1114     const char *colon(strchr(version, ':'));
1115     return colon == NULL ? version : colon + 1;
1116 }
1117
1118 NSString *LocalizeSection(NSString *section) {
1119     static Pcre title_r("^(.*?) \\((.*)\\)$");
1120     if (title_r(section)) {
1121         NSString *parent(title_r[1]);
1122         NSString *child(title_r[2]);
1123
1124         return [NSString stringWithFormat:UCLocalize("PARENTHETICAL"),
1125             LocalizeSection(parent),
1126             LocalizeSection(child)
1127         ];
1128     }
1129
1130     return [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
1131 }
1132
1133 NSString *Simplify(NSString *title) {
1134     const char *data = [title UTF8String];
1135     size_t size = [title length];
1136
1137     static Pcre square_r("^\\[(.*)\\]$");
1138     if (square_r(data, size))
1139         return Simplify(square_r[1]);
1140
1141     static Pcre paren_r("^\\((.*)\\)$");
1142     if (paren_r(data, size))
1143         return Simplify(paren_r[1]);
1144
1145     static Pcre title_r("^(.*?) \\((.*)\\)$");
1146     if (title_r(data, size))
1147         return Simplify(title_r[1]);
1148
1149     return title;
1150 }
1151 /* }}} */
1152
1153 NSString *GetLastUpdate() {
1154     NSDate *update = [Metadata_ objectForKey:@"LastUpdate"];
1155
1156     if (update == nil)
1157         return UCLocalize("NEVER_OR_UNKNOWN");
1158
1159     CFDateFormatterRef formatter = CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle);
1160     CFStringRef formatted = CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) update);
1161
1162     CFRelease(formatter);
1163
1164     return [(NSString *) formatted autorelease];
1165 }
1166
1167 bool isSectionVisible(NSString *section) {
1168     NSDictionary *metadata([Sections_ objectForKey:(section ?: @"")]);
1169     NSNumber *hidden(metadata == nil ? nil : [metadata objectForKey:@"Hidden"]);
1170     return hidden == nil || ![hidden boolValue];
1171 }
1172
1173 @class Cydia;
1174
1175 /* Delegate Prototypes {{{ */
1176 @class Package;
1177 @class Source;
1178 @class CydiaProgressEvent;
1179
1180 @protocol DatabaseDelegate
1181 - (void) repairWithSelector:(SEL)selector;
1182 - (void) setConfigurationData:(NSString *)data;
1183 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task;
1184 @end
1185
1186 @class CYPackageController;
1187
1188 @protocol CydiaDelegate
1189 - (void) retainNetworkActivityIndicator;
1190 - (void) releaseNetworkActivityIndicator;
1191 - (void) clearPackage:(Package *)package;
1192 - (void) installPackage:(Package *)package;
1193 - (void) installPackages:(NSArray *)packages;
1194 - (void) removePackage:(Package *)package;
1195 - (void) beginUpdate;
1196 - (BOOL) updating;
1197 - (void) distUpgrade;
1198 - (void) loadData;
1199 - (void) updateData;
1200 - (void) syncData;
1201 - (void) addTrivialSource:(NSString *)href;
1202 - (void) showSettings;
1203 - (UIProgressHUD *) addProgressHUD;
1204 - (void) removeProgressHUD:(UIProgressHUD *)hud;
1205 - (CYViewController *) pageForPackage:(NSString *)name;
1206 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item;
1207 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
1208 @end
1209 /* }}} */
1210
1211 /* ProgressEvent Interface/Delegate {{{ */
1212 @interface CydiaProgressEvent : NSObject {
1213     _H<NSString> message_;
1214     _H<NSString> type_;
1215
1216     _H<NSArray> item_;
1217     _H<NSString> package_;
1218     _H<NSString> url_;
1219     _H<NSString> version_;
1220 }
1221
1222 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type;
1223 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forPackage:(NSString *)package;
1224 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forItem:(pkgAcquire::ItemDesc &)item;
1225
1226 - (id) initWithMessage:(NSString *)message ofType:(NSString *)type;
1227
1228 - (NSString *) message;
1229 - (NSString *) type;
1230
1231 - (NSArray *) item;
1232 - (NSString *) package;
1233 - (NSString *) url;
1234 - (NSString *) version;
1235
1236 - (void) setItem:(NSArray *)item;
1237 - (void) setPackage:(NSString *)package;
1238 - (void) setURL:(NSString *)url;
1239 - (void) setVersion:(NSString *)version;
1240
1241 - (NSString *) compound:(NSString *)value;
1242 - (NSString *) compoundMessage;
1243 - (NSString *) compoundTitle;
1244
1245 @end
1246
1247 @protocol ProgressDelegate
1248 - (void) addProgressEvent:(CydiaProgressEvent *)event;
1249 - (void) setProgressPercent:(NSNumber *)percent;
1250 - (void) setProgressStatus:(NSDictionary *)status;
1251 - (void) setProgressCancellable:(NSNumber *)cancellable;
1252 - (bool) isProgressCancelled;
1253 - (void) setTitle:(NSString *)title;
1254 @end
1255 /* }}} */
1256 /* Status Delegation {{{ */
1257 class Status :
1258     public pkgAcquireStatus
1259 {
1260   private:
1261     _transient NSObject<ProgressDelegate> *delegate_;
1262     bool cancelled_;
1263
1264   public:
1265     Status() :
1266         delegate_(nil),
1267         cancelled_(false)
1268     {
1269     }
1270
1271     void setDelegate(NSObject<ProgressDelegate> *delegate) {
1272         delegate_ = delegate;
1273     }
1274
1275     NSObject<ProgressDelegate> *getDelegate() const {
1276         return delegate_;
1277     }
1278
1279     virtual bool MediaChange(std::string media, std::string drive) {
1280         return false;
1281     }
1282
1283     virtual void IMSHit(pkgAcquire::ItemDesc &item) {
1284     }
1285
1286     virtual void Fetch(pkgAcquire::ItemDesc &item) {
1287         NSString *name([NSString stringWithUTF8String:item.ShortDesc.c_str()]);
1288         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithFormat:UCLocalize("DOWNLOADING_"), name] ofType:kCydiaProgressEventTypeStatus forItem:item]);
1289         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
1290     }
1291
1292     virtual void Done(pkgAcquire::ItemDesc &item) {
1293     }
1294
1295     virtual void Fail(pkgAcquire::ItemDesc &item) {
1296         if (
1297             item.Owner->Status == pkgAcquire::Item::StatIdle ||
1298             item.Owner->Status == pkgAcquire::Item::StatDone
1299         )
1300             return;
1301
1302         std::string &error(item.Owner->ErrorText);
1303         if (error.empty())
1304             return;
1305
1306         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:kCydiaProgressEventTypeError forItem:item]);
1307         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
1308     }
1309
1310     virtual bool Pulse(pkgAcquire *Owner) {
1311         bool value = pkgAcquireStatus::Pulse(Owner);
1312
1313         double percent(
1314             double(CurrentBytes + CurrentItems) /
1315             double(TotalBytes + TotalItems)
1316         );
1317
1318         [delegate_ performSelectorOnMainThread:@selector(setProgressStatus:) withObject:[NSDictionary dictionaryWithObjectsAndKeys:
1319             [NSNumber numberWithDouble:percent], @"Percent",
1320
1321             [NSNumber numberWithDouble:CurrentBytes], @"Current",
1322             [NSNumber numberWithDouble:TotalBytes], @"Total",
1323             [NSNumber numberWithDouble:CurrentCPS], @"Speed",
1324         nil] waitUntilDone:YES];
1325
1326         if (value && ![delegate_ isProgressCancelled])
1327             return true;
1328         else {
1329             cancelled_ = true;
1330             return false;
1331         }
1332     }
1333
1334     _finline bool WasCancelled() const {
1335         return cancelled_;
1336     }
1337
1338     virtual void Start() {
1339         pkgAcquireStatus::Start();
1340         [delegate_ performSelectorOnMainThread:@selector(setProgressCancellable:) withObject:[NSNumber numberWithBool:YES] waitUntilDone:YES];
1341     }
1342
1343     virtual void Stop() {
1344         pkgAcquireStatus::Stop();
1345         [delegate_ performSelectorOnMainThread:@selector(setProgressCancellable:) withObject:[NSNumber numberWithBool:NO] waitUntilDone:YES];
1346         [delegate_ performSelectorOnMainThread:@selector(setProgressStatus:) withObject:nil waitUntilDone:YES];
1347     }
1348 };
1349 /* }}} */
1350 /* Database Interface {{{ */
1351 typedef std::map< unsigned long, _H<Source> > SourceMap;
1352
1353 @interface Database : NSObject {
1354     NSZone *zone_;
1355     apr_pool_t *pool_;
1356
1357     unsigned era_;
1358
1359     pkgCacheFile cache_;
1360     pkgDepCache::Policy *policy_;
1361     pkgRecords *records_;
1362     pkgProblemResolver *resolver_;
1363     pkgAcquire *fetcher_;
1364     FileFd *lock_;
1365     SPtr<pkgPackageManager> manager_;
1366     pkgSourceList *list_;
1367
1368     SourceMap sourceMap_;
1369     NSMutableArray *sourceList_;
1370
1371     CFMutableArrayRef packages_;
1372
1373     _transient NSObject<DatabaseDelegate> *delegate_;
1374     _transient NSObject<ProgressDelegate> *progress_;
1375
1376     Status status_;
1377
1378     int cydiafd_;
1379     int statusfd_;
1380     FILE *input_;
1381
1382     std::map<const char *, _H<NSString> > sections_;
1383 }
1384
1385 + (Database *) sharedInstance;
1386 - (unsigned) era;
1387
1388 - (void) _readCydia:(NSNumber *)fd;
1389 - (void) _readStatus:(NSNumber *)fd;
1390 - (void) _readOutput:(NSNumber *)fd;
1391
1392 - (FILE *) input;
1393
1394 - (Package *) packageWithName:(NSString *)name;
1395
1396 - (pkgCacheFile &) cache;
1397 - (pkgDepCache::Policy *) policy;
1398 - (pkgRecords *) records;
1399 - (pkgProblemResolver *) resolver;
1400 - (pkgAcquire &) fetcher;
1401 - (pkgSourceList &) list;
1402 - (NSArray *) packages;
1403 - (NSArray *) sources;
1404 - (Source *) sourceWithKey:(NSString *)key;
1405 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
1406
1407 - (void) configure;
1408 - (bool) prepare;
1409 - (void) perform;
1410 - (bool) upgrade;
1411 - (void) update;
1412
1413 - (void) updateWithStatus:(Status &)status;
1414
1415 - (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate;
1416
1417 - (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate;
1418 - (NSObject<ProgressDelegate> *) progressDelegate;
1419
1420 - (Source *) getSource:(pkgCache::PkgFileIterator)file;
1421
1422 - (NSString *) mappedSectionForPointer:(const char *)pointer;
1423
1424 @end
1425 /* }}} */
1426 /* ProgressEvent Implementation {{{ */
1427 @implementation CydiaProgressEvent
1428
1429 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type {
1430     return [[[CydiaProgressEvent alloc] initWithMessage:message ofType:type] autorelease];
1431 }
1432
1433 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forPackage:(NSString *)package {
1434     CydiaProgressEvent *event([self eventWithMessage:message ofType:type]);
1435     [event setPackage:package];
1436     return event;
1437 }
1438
1439 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forItem:(pkgAcquire::ItemDesc &)item {
1440     CydiaProgressEvent *event([self eventWithMessage:message ofType:type]);
1441
1442     NSString *description([NSString stringWithUTF8String:item.Description.c_str()]);
1443     NSArray *fields([description componentsSeparatedByString:@" "]);
1444     [event setItem:fields];
1445
1446     if ([fields count] > 3) {
1447         [event setPackage:[fields objectAtIndex:2]];
1448         [event setVersion:[fields objectAtIndex:3]];
1449     }
1450
1451     [event setURL:[NSString stringWithUTF8String:item.URI.c_str()]];
1452
1453     return event;
1454 }
1455
1456 + (NSArray *) _attributeKeys {
1457     return [NSArray arrayWithObjects:
1458         @"item",
1459         @"message",
1460         @"package",
1461         @"type",
1462         @"url",
1463         @"version",
1464     nil];
1465 }
1466
1467 - (NSArray *) attributeKeys {
1468     return [[self class] _attributeKeys];
1469 }
1470
1471 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1472     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1473 }
1474
1475 - (id) initWithMessage:(NSString *)message ofType:(NSString *)type {
1476     if ((self = [super init]) != nil) {
1477         message_ = message;
1478         type_ = type;
1479     } return self;
1480 }
1481
1482 - (NSString *) message {
1483     return message_;
1484 }
1485
1486 - (NSString *) type {
1487     return type_;
1488 }
1489
1490 - (NSArray *) item {
1491     return (id) item_ ?: [NSNull null];
1492 }
1493
1494 - (void) setItem:(NSArray *)item {
1495     item_ = item;
1496 }
1497
1498 - (NSString *) package {
1499     return (id) package_ ?: [NSNull null];
1500 }
1501
1502 - (void) setPackage:(NSString *)package {
1503     package_ = package;
1504 }
1505
1506 - (NSString *) url {
1507     return (id) url_ ?: [NSNull null];
1508 }
1509
1510 - (void) setURL:(NSString *)url {
1511     url_ = url;
1512 }
1513
1514 - (void) setVersion:(NSString *)version {
1515     version_ = version;
1516 }
1517
1518 - (NSString *) version {
1519     return (id) version_ ?: [NSNull null];
1520 }
1521
1522 - (NSString *) compound:(NSString *)value {
1523     if (value != nil) {
1524         NSString *mode(nil); {
1525             NSString *type([self type]);
1526             if ([type isEqualToString:kCydiaProgressEventTypeError])
1527                 mode = UCLocalize("ERROR");
1528             else if ([type isEqualToString:kCydiaProgressEventTypeWarning])
1529                 mode = UCLocalize("WARNING");
1530         }
1531
1532         if (mode != nil)
1533             value = [NSString stringWithFormat:UCLocalize("COLON_DELIMITED"), mode, value];
1534     }
1535
1536     return value;
1537 }
1538
1539 - (NSString *) compoundMessage {
1540     return [self compound:[self message]];
1541 }
1542
1543 - (NSString *) compoundTitle {
1544     NSString *title;
1545
1546     if (package_ == nil)
1547         title = nil;
1548     else if (Package *package = [[Database sharedInstance] packageWithName:package_])
1549         title = [package name];
1550     else
1551         title = package_;
1552
1553     return [self compound:title];
1554 }
1555
1556 @end
1557 /* }}} */
1558
1559 // Cytore Definitions {{{
1560 struct PackageValue :
1561     Cytore::Block
1562 {
1563     Cytore::Offset<PackageValue> next_;
1564
1565     uint32_t index_ : 23;
1566     uint32_t subscribed_ : 1;
1567     uint32_t : 8;
1568
1569     int32_t first_;
1570     int32_t last_;
1571
1572     uint16_t vhash_;
1573     uint16_t nhash_;
1574
1575     char version_[8];
1576     char name_[];
1577 };
1578
1579 struct MetaValue :
1580     Cytore::Block
1581 {
1582     uint32_t active_;
1583     Cytore::Offset<PackageValue> packages_[1 << 16];
1584 };
1585
1586 static Cytore::File<MetaValue> MetaFile_;
1587 // }}}
1588 // Cytore Helper Functions {{{
1589 static PackageValue *PackageFind(const char *name, size_t length, bool *fail = NULL) {
1590     SplitHash nhash = { hashlittle(name, length) };
1591
1592     PackageValue *metadata;
1593
1594     Cytore::Offset<PackageValue> *offset(&MetaFile_->packages_[nhash.u16[0]]);
1595     offset: if (offset->IsNull()) {
1596         *offset = MetaFile_.New<PackageValue>(length + 1);
1597         metadata = &MetaFile_.Get(*offset);
1598
1599         if (metadata == NULL) {
1600             if (fail != NULL)
1601                 *fail = true;
1602
1603             metadata = new PackageValue();
1604             memset(metadata, 0, sizeof(*metadata));
1605         }
1606
1607         memcpy(metadata->name_, name, length + 1);
1608         metadata->nhash_ = nhash.u16[1];
1609     } else {
1610         metadata = &MetaFile_.Get(*offset);
1611
1612         if (metadata->nhash_ != nhash.u16[1] || strncmp(metadata->name_, name, length + 1) != 0) {
1613             offset = &metadata->next_;
1614             goto offset;
1615         }
1616     }
1617
1618     return metadata;
1619 }
1620
1621 static void PackageImport(const void *key, const void *value, void *context) {
1622     bool &fail(*reinterpret_cast<bool *>(context));
1623
1624     char buffer[1024];
1625     if (!CFStringGetCString((CFStringRef) key, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
1626         NSLog(@"failed to import package %@", key);
1627         return;
1628     }
1629
1630     PackageValue *metadata(PackageFind(buffer, strlen(buffer), &fail));
1631     NSDictionary *package((NSDictionary *) value);
1632
1633     if (NSNumber *subscribed = [package objectForKey:@"IsSubscribed"])
1634         if ([subscribed boolValue] && !metadata->subscribed_)
1635             metadata->subscribed_ = true;
1636
1637     if (NSDate *date = [package objectForKey:@"FirstSeen"]) {
1638         time_t time([date timeIntervalSince1970]);
1639         if (metadata->first_ > time || metadata->first_ == 0)
1640             metadata->first_ = time;
1641     }
1642
1643     NSDate *date([package objectForKey:@"LastSeen"]);
1644     NSString *version([package objectForKey:@"LastVersion"]);
1645
1646     if (date != nil && version != nil) {
1647         time_t time([date timeIntervalSince1970]);
1648         if (metadata->last_ < time || metadata->last_ == 0)
1649             if (CFStringGetCString((CFStringRef) version, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
1650                 size_t length(strlen(buffer));
1651                 uint16_t vhash(hashlittle(buffer, length));
1652
1653                 size_t capped(std::min<size_t>(8, length));
1654                 char *latest(buffer + length - capped);
1655
1656                 strncpy(metadata->version_, latest, sizeof(metadata->version_));
1657                 metadata->vhash_ = vhash;
1658
1659                 metadata->last_ = time;
1660             }
1661     }
1662 }
1663 // }}}
1664
1665 /* Source Class {{{ */
1666 @interface Source : NSObject {
1667     CYString depiction_;
1668     CYString description_;
1669     CYString label_;
1670     CYString origin_;
1671     CYString support_;
1672
1673     CYString uri_;
1674     CYString distribution_;
1675     CYString type_;
1676     CYString version_;
1677
1678     _H<NSString> host_;
1679     _H<NSString> authority_;
1680
1681     CYString defaultIcon_;
1682
1683     _H<NSDictionary> record_;
1684     BOOL trusted_;
1685 }
1686
1687 - (Source *) initWithMetaIndex:(metaIndex *)index inPool:(apr_pool_t *)pool;
1688
1689 - (NSComparisonResult) compareByNameAndType:(Source *)source;
1690
1691 - (NSString *) depictionForPackage:(NSString *)package;
1692 - (NSString *) supportForPackage:(NSString *)package;
1693
1694 - (NSDictionary *) record;
1695 - (BOOL) trusted;
1696
1697 - (NSString *) uri;
1698 - (NSString *) distribution;
1699 - (NSString *) type;
1700 - (NSString *) key;
1701 - (NSString *) host;
1702
1703 - (NSString *) name;
1704 - (NSString *) shortDescription;
1705 - (NSString *) label;
1706 - (NSString *) origin;
1707 - (NSString *) version;
1708
1709 - (NSString *) defaultIcon;
1710
1711 @end
1712
1713 @implementation Source
1714
1715 - (void) _clear {
1716     uri_.clear();
1717     distribution_.clear();
1718     type_.clear();
1719
1720     description_.clear();
1721     label_.clear();
1722     origin_.clear();
1723     depiction_.clear();
1724     support_.clear();
1725     version_.clear();
1726     defaultIcon_.clear();
1727
1728     record_ = nil;
1729     host_ = nil;
1730     authority_ = nil;
1731 }
1732
1733 - (void) dealloc {
1734     // XXX: this is a very inefficient way to call these deconstructors
1735     [self _clear];
1736     [super dealloc];
1737 }
1738
1739 + (NSArray *) _attributeKeys {
1740     return [NSArray arrayWithObjects:
1741         @"distribution",
1742         @"host",
1743         @"key",
1744         @"label",
1745         @"name",
1746         @"origin",
1747         @"shortDescription",
1748         @"trusted",
1749         @"type",
1750         @"uri",
1751         @"version",
1752     nil];
1753 }
1754
1755 - (NSArray *) attributeKeys {
1756     return [[self class] _attributeKeys];
1757 }
1758
1759 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1760     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1761 }
1762
1763 - (void) setMetaIndex:(metaIndex *)index inPool:(apr_pool_t *)pool {
1764     [self _clear];
1765
1766     trusted_ = index->IsTrusted();
1767
1768     uri_.set(pool, index->GetURI());
1769     distribution_.set(pool, index->GetDist());
1770     type_.set(pool, index->GetType());
1771
1772     debReleaseIndex *dindex(dynamic_cast<debReleaseIndex *>(index));
1773     if (dindex != NULL) {
1774         FileFd fd;
1775         if (!fd.Open(dindex->MetaIndexFile("Release"), FileFd::ReadOnly))
1776             _error->Discard();
1777         else {
1778             pkgTagFile tags(&fd);
1779
1780             pkgTagSection section;
1781             tags.Step(section);
1782
1783             struct {
1784                 const char *name_;
1785                 CYString *value_;
1786             } names[] = {
1787                 {"default-icon", &defaultIcon_},
1788                 {"depiction", &depiction_},
1789                 {"description", &description_},
1790                 {"label", &label_},
1791                 {"origin", &origin_},
1792                 {"support", &support_},
1793                 {"version", &version_},
1794             };
1795
1796             for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i) {
1797                 const char *start, *end;
1798
1799                 if (section.Find(names[i].name_, start, end)) {
1800                     CYString &value(*names[i].value_);
1801                     value.set(pool, start, end - start);
1802                 }
1803             }
1804         }
1805     }
1806
1807     record_ = [Sources_ objectForKey:[self key]];
1808
1809     NSURL *url([NSURL URLWithString:uri_]);
1810
1811     host_ = [url host];
1812     if (host_ != nil)
1813         host_ = [host_ lowercaseString];
1814
1815     if (host_ != nil)
1816         // XXX: this is due to a bug in _H<>
1817         authority_ = (id) host_;
1818     else
1819         authority_ = [url path];
1820 }
1821
1822 - (Source *) initWithMetaIndex:(metaIndex *)index inPool:(apr_pool_t *)pool {
1823     if ((self = [super init]) != nil) {
1824         [self setMetaIndex:index inPool:pool];
1825     } return self;
1826 }
1827
1828 - (NSComparisonResult) compareByNameAndType:(Source *)source {
1829     NSDictionary *lhr = [self record];
1830     NSDictionary *rhr = [source record];
1831
1832     if (lhr != rhr)
1833         return lhr == nil ? NSOrderedDescending : NSOrderedAscending;
1834
1835     NSString *lhs = [self name];
1836     NSString *rhs = [source name];
1837
1838     if ([lhs length] != 0 && [rhs length] != 0) {
1839         unichar lhc = [lhs characterAtIndex:0];
1840         unichar rhc = [rhs characterAtIndex:0];
1841
1842         if (isalpha(lhc) && !isalpha(rhc))
1843             return NSOrderedAscending;
1844         else if (!isalpha(lhc) && isalpha(rhc))
1845             return NSOrderedDescending;
1846     }
1847
1848     return [lhs compare:rhs options:LaxCompareOptions_];
1849 }
1850
1851 - (NSString *) depictionForPackage:(NSString *)package {
1852     return depiction_.empty() ? nil : [static_cast<id>(depiction_) stringByReplacingOccurrencesOfString:@"*" withString:package];
1853 }
1854
1855 - (NSString *) supportForPackage:(NSString *)package {
1856     return support_.empty() ? nil : [static_cast<id>(support_) stringByReplacingOccurrencesOfString:@"*" withString:package];
1857 }
1858
1859 - (NSDictionary *) record {
1860     return record_;
1861 }
1862
1863 - (BOOL) trusted {
1864     return trusted_;
1865 }
1866
1867 - (NSString *) uri {
1868     return uri_;
1869 }
1870
1871 - (NSString *) distribution {
1872     return distribution_;
1873 }
1874
1875 - (NSString *) type {
1876     return type_;
1877 }
1878
1879 - (NSString *) key {
1880     return [NSString stringWithFormat:@"%@:%@:%@", (NSString *) type_, (NSString *) uri_, (NSString *) distribution_];
1881 }
1882
1883 - (NSString *) host {
1884     return host_;
1885 }
1886
1887 - (NSString *) name {
1888     return origin_.empty() ? (id) authority_ : origin_;
1889 }
1890
1891 - (NSString *) shortDescription {
1892     return description_;
1893 }
1894
1895 - (NSString *) label {
1896     return label_.empty() ? (id) authority_ : label_;
1897 }
1898
1899 - (NSString *) origin {
1900     return origin_;
1901 }
1902
1903 - (NSString *) version {
1904     return version_;
1905 }
1906
1907 - (NSString *) defaultIcon {
1908     return defaultIcon_;
1909 }
1910
1911 @end
1912 /* }}} */
1913 /* CydiaOperation Class {{{ */
1914 @interface CydiaOperation : NSObject {
1915     NSString *operator_;
1916     NSString *value_;
1917 }
1918
1919 - (NSString *) operator;
1920 - (NSString *) value;
1921
1922 @end
1923
1924 @implementation CydiaOperation
1925
1926 - (void) dealloc {
1927     [operator_ release];
1928     [value_ release];
1929     [super dealloc];
1930 }
1931
1932 - (id) initWithOperator:(const char *)_operator value:(const char *)value {
1933     if ((self = [super init]) != nil) {
1934         operator_ = [[NSString alloc] initWithUTF8String:_operator];
1935         value_ = [[NSString alloc] initWithUTF8String:value];
1936     } return self;
1937 }
1938
1939 + (NSArray *) _attributeKeys {
1940     return [NSArray arrayWithObjects:
1941         @"operator",
1942         @"value",
1943     nil];
1944 }
1945
1946 - (NSArray *) attributeKeys {
1947     return [[self class] _attributeKeys];
1948 }
1949
1950 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1951     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1952 }
1953
1954 - (NSString *) operator {
1955     return operator_;
1956 }
1957
1958 - (NSString *) value {
1959     return value_;
1960 }
1961
1962 @end
1963 /* }}} */
1964 /* CydiaClause Class {{{ */
1965 @interface CydiaClause : NSObject {
1966     NSString *package_;
1967     CydiaOperation *version_;
1968 }
1969
1970 - (NSString *) package;
1971 - (CydiaOperation *) version;
1972
1973 @end
1974
1975 @implementation CydiaClause
1976
1977 - (void) dealloc {
1978     [package_ release];
1979     [version_ release];
1980     [super dealloc];
1981 }
1982
1983 - (id) initWithIterator:(pkgCache::DepIterator &)dep {
1984     if ((self = [super init]) != nil) {
1985         package_ = [[NSString alloc] initWithUTF8String:dep.TargetPkg().Name()];
1986
1987         if (const char *version = dep.TargetVer())
1988             version_ = [[CydiaOperation alloc] initWithOperator:dep.CompType() value:version];
1989         else
1990             version_ = [[NSNull null] retain];
1991     } return self;
1992 }
1993
1994 + (NSArray *) _attributeKeys {
1995     return [NSArray arrayWithObjects:
1996         @"package",
1997         @"version",
1998     nil];
1999 }
2000
2001 - (NSArray *) attributeKeys {
2002     return [[self class] _attributeKeys];
2003 }
2004
2005 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
2006     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
2007 }
2008
2009 - (NSString *) package {
2010     return package_;
2011 }
2012
2013 - (CydiaOperation *) version {
2014     return version_;
2015 }
2016
2017 @end
2018 /* }}} */
2019 /* CydiaRelation Class {{{ */
2020 @interface CydiaRelation : NSObject {
2021     NSString *relationship_;
2022     NSMutableArray *clauses_;
2023 }
2024
2025 - (NSString *) relationship;
2026 - (NSArray *) clauses;
2027
2028 @end
2029
2030 @implementation CydiaRelation
2031
2032 - (void) dealloc {
2033     [relationship_ release];
2034     [clauses_ release];
2035     [super dealloc];
2036 }
2037
2038 - (id) initWithIterator:(pkgCache::DepIterator &)dep {
2039     if ((self = [super init]) != nil) {
2040         relationship_ = [[NSString alloc] initWithUTF8String:dep.DepType()];
2041         clauses_ = [[NSMutableArray alloc] initWithCapacity:8];
2042
2043         pkgCache::DepIterator start;
2044         pkgCache::DepIterator end;
2045         dep.GlobOr(start, end); // ++dep
2046
2047         _forever {
2048             [clauses_ addObject:[[[CydiaClause alloc] initWithIterator:start] autorelease]];
2049
2050             // yes, seriously. (wtf?)
2051             if (start == end)
2052                 break;
2053             ++start;
2054         }
2055     } return self;
2056 }
2057
2058 + (NSArray *) _attributeKeys {
2059     return [NSArray arrayWithObjects:
2060         @"clauses",
2061         @"relationship",
2062     nil];
2063 }
2064
2065 - (NSArray *) attributeKeys {
2066     return [[self class] _attributeKeys];
2067 }
2068
2069 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
2070     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
2071 }
2072
2073 - (NSString *) relationship {
2074     return relationship_;
2075 }
2076
2077 - (NSArray *) clauses {
2078     return clauses_;
2079 }
2080
2081 - (void) addClause:(CydiaClause *)clause {
2082     [clauses_ addObject:clause];
2083 }
2084
2085 @end
2086 /* }}} */
2087 /* Package Class {{{ */
2088 struct ParsedPackage {
2089     CYString tagline_;
2090
2091     CYString icon_;
2092
2093     CYString depiction_;
2094     CYString homepage_;
2095
2096     CYString sponsor_;
2097     CYString author_;
2098
2099     CYString bugs_;
2100     CYString support_;
2101 };
2102
2103 @interface Package : NSObject {
2104     uint32_t era_ : 26;
2105     uint32_t role_ : 3;
2106     uint32_t essential_ : 1;
2107     uint32_t obsolete_ : 1;
2108     uint32_t ignored_ : 1;
2109
2110     apr_pool_t *pool_;
2111
2112     _transient Database *database_;
2113
2114     pkgCache::VerIterator version_;
2115     pkgCache::PkgIterator iterator_;
2116     pkgCache::VerFileIterator file_;
2117
2118     CYString id_;
2119     CYString name_;
2120
2121     CYString latest_;
2122     CYString installed_;
2123
2124     const char *section_;
2125     _transient NSString *section$_;
2126
2127     Source *source_;
2128
2129     PackageValue *metadata_;
2130     ParsedPackage *parsed_;
2131
2132     NSMutableArray *tags_;
2133 }
2134
2135 - (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database;
2136 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database;
2137
2138 - (pkgCache::PkgIterator) iterator;
2139 - (void) parse;
2140
2141 - (NSString *) section;
2142 - (NSString *) simpleSection;
2143
2144 - (NSString *) longSection;
2145 - (NSString *) shortSection;
2146
2147 - (NSString *) uri;
2148
2149 - (Address *) maintainer;
2150 - (size_t) size;
2151 - (NSString *) longDescription;
2152 - (NSString *) shortDescription;
2153 - (unichar) index;
2154
2155 - (PackageValue *) metadata;
2156 - (time_t) seen;
2157
2158 - (bool) subscribed;
2159 - (bool) setSubscribed:(bool)subscribed;
2160
2161 - (BOOL) ignored;
2162
2163 - (NSString *) latest;
2164 - (NSString *) installed;
2165 - (BOOL) uninstalled;
2166
2167 - (BOOL) valid;
2168 - (BOOL) upgradableAndEssential:(BOOL)essential;
2169 - (BOOL) essential;
2170 - (BOOL) broken;
2171 - (BOOL) unfiltered;
2172 - (BOOL) visible;
2173
2174 - (BOOL) half;
2175 - (BOOL) halfConfigured;
2176 - (BOOL) halfInstalled;
2177 - (BOOL) hasMode;
2178 - (NSString *) mode;
2179
2180 - (NSString *) id;
2181 - (NSString *) name;
2182 - (UIImage *) icon;
2183 - (NSString *) homepage;
2184 - (NSString *) depiction;
2185 - (Address *) author;
2186
2187 - (NSString *) support;
2188
2189 - (NSArray *) files;
2190 - (NSArray *) warnings;
2191 - (NSArray *) applications;
2192
2193 - (Source *) source;
2194
2195 - (BOOL) matches:(NSString *)text;
2196
2197 - (bool) hasSupportingRole;
2198 - (BOOL) hasTag:(NSString *)tag;
2199 - (NSString *) primaryPurpose;
2200 - (NSArray *) purposes;
2201 - (bool) isCommercial;
2202
2203 - (void) setIndex:(size_t)index;
2204
2205 - (CYString &) cyname;
2206
2207 - (uint32_t) compareBySection:(NSArray *)sections;
2208
2209 - (void) install;
2210 - (void) remove;
2211
2212 - (bool) isUnfilteredAndSearchedForBy:(NSString *)search;
2213 - (bool) isUnfilteredAndSelectedForBy:(NSString *)search;
2214 - (bool) isInstalledAndUnfiltered:(NSNumber *)number;
2215 - (bool) isVisibleInSection:(NSString *)section;
2216 - (bool) isVisibleInSource:(Source *)source;
2217
2218 @end
2219
2220 uint32_t PackageChangesRadix(Package *self, void *) {
2221     union {
2222         uint32_t key;
2223
2224         struct {
2225             uint32_t timestamp : 30;
2226             uint32_t ignored : 1;
2227             uint32_t upgradable : 1;
2228         } bits;
2229     } value;
2230
2231     bool upgradable([self upgradableAndEssential:YES]);
2232     value.bits.upgradable = upgradable ? 1 : 0;
2233
2234     if (upgradable) {
2235         value.bits.timestamp = 0;
2236         value.bits.ignored = [self ignored] ? 0 : 1;
2237         value.bits.upgradable = 1;
2238     } else {
2239         value.bits.timestamp = [self seen] >> 2;
2240         value.bits.ignored = 0;
2241         value.bits.upgradable = 0;
2242     }
2243
2244     return _not(uint32_t) - value.key;
2245 }
2246
2247 uint32_t PackagePrefixRadix(Package *self, void *context) {
2248     size_t offset(reinterpret_cast<size_t>(context));
2249     CYString &name([self cyname]);
2250
2251     size_t size(name.size());
2252     if (size == 0)
2253         return 0;
2254     char *text(name.data());
2255
2256     size_t zeros;
2257     if (!isdigit(text[0]))
2258         zeros = 0;
2259     else {
2260         size_t digits(1);
2261         while (size != digits && isdigit(text[digits]))
2262             if (++digits == 4)
2263                 break;
2264         zeros = 4 - digits;
2265     }
2266
2267     uint8_t data[4];
2268
2269     if (offset == 0 && zeros != 0) {
2270         memset(data, '0', zeros);
2271         memcpy(data + zeros, text, 4 - zeros);
2272     } else {
2273         /* XXX: there's some danger here if you request a non-zero offset < 4 and it gets zero padded */
2274         if (size <= offset - zeros)
2275             return 0;
2276
2277         text += offset - zeros;
2278         size -= offset - zeros;
2279
2280         if (size >= 4)
2281             memcpy(data, text, 4);
2282         else {
2283             memcpy(data, text, size);
2284             memset(data + size, 0, 4 - size);
2285         }
2286
2287         for (size_t i(0); i != 4; ++i)
2288             if (isalpha(data[i]))
2289                 data[i] |= 0x20;
2290     }
2291
2292     if (offset == 0)
2293         if (data[0] == '@')
2294             data[0] = 0x7f;
2295         else
2296             data[0] = (data[0] & 0x1f) | "\x80\x00\xc0\x40"[data[0] >> 6];
2297
2298     /* XXX: ntohl may be more honest */
2299     return OSSwapInt32(*reinterpret_cast<uint32_t *>(data));
2300 }
2301
2302 CYString &(*PackageName)(Package *self, SEL sel);
2303
2304 CFComparisonResult PackageNameCompare(Package *lhs, Package *rhs, void *arg) {
2305     _profile(PackageNameCompare)
2306         CYString &lhi(PackageName(lhs, @selector(cyname)));
2307         CYString &rhi(PackageName(rhs, @selector(cyname)));
2308         CFStringRef lhn(lhi), rhn(rhi);
2309
2310         if (lhn == NULL)
2311             return rhn == NULL ? NSOrderedSame : NSOrderedAscending;
2312         else if (rhn == NULL)
2313             return NSOrderedDescending;
2314
2315         _profile(PackageNameCompare$NumbersLast)
2316             if (!lhi.empty() && !rhi.empty()) {
2317                 UniChar lhc(CFStringGetCharacterAtIndex(lhn, 0));
2318                 UniChar rhc(CFStringGetCharacterAtIndex(rhn, 0));
2319                 bool lha(CFUniCharIsMemberOf(lhc, kCFUniCharLetterCharacterSet));
2320                 if (lha != CFUniCharIsMemberOf(rhc, kCFUniCharLetterCharacterSet))
2321                     return lha ? NSOrderedAscending : NSOrderedDescending;
2322             }
2323         _end
2324
2325         CFIndex length = CFStringGetLength(lhn);
2326
2327         _profile(PackageNameCompare$Compare)
2328             return CFStringCompareWithOptionsAndLocale(lhn, rhn, CFRangeMake(0, length), LaxCompareFlags_, Locale_);
2329         _end
2330     _end
2331 }
2332
2333 CFComparisonResult PackageNameCompare_(Package **lhs, Package **rhs, void *context) {
2334     return PackageNameCompare(*lhs, *rhs, context);
2335 }
2336
2337 struct PackageNameOrdering :
2338     std::binary_function<Package *, Package *, bool>
2339 {
2340     _finline bool operator ()(Package *lhs, Package *rhs) const {
2341         return PackageNameCompare(lhs, rhs, NULL) == NSOrderedAscending;
2342     }
2343 };
2344
2345 @implementation Package
2346
2347 - (NSString *) description {
2348     return [NSString stringWithFormat:@"<Package:%@>", static_cast<NSString *>(name_)];
2349 }
2350
2351 - (void) dealloc {
2352     if (parsed_ != NULL)
2353         delete parsed_;
2354     if (source_ != nil)
2355         [source_ release];
2356     if (tags_ != nil)
2357         [tags_ release];
2358     [super dealloc];
2359 }
2360
2361 + (NSString *) webScriptNameForSelector:(SEL)selector {
2362     if (false);
2363     else if (selector == @selector(clear))
2364         return @"clear";
2365     else if (selector == @selector(getField:))
2366         return @"getField";
2367     else if (selector == @selector(hasTag:))
2368         return @"hasTag";
2369     else if (selector == @selector(install))
2370         return @"install";
2371     else if (selector == @selector(remove))
2372         return @"remove";
2373     else
2374         return nil;
2375 }
2376
2377 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
2378     return [self webScriptNameForSelector:selector] == nil;
2379 }
2380
2381 + (NSArray *) _attributeKeys {
2382     return [NSArray arrayWithObjects:
2383         @"applications",
2384         @"author",
2385         @"depiction",
2386         @"essential",
2387         @"homepage",
2388         @"icon",
2389         @"id",
2390         @"installed",
2391         @"latest",
2392         @"longDescription",
2393         @"longSection",
2394         @"maintainer",
2395         @"mode",
2396         @"name",
2397         @"purposes",
2398         @"relations",
2399         @"section",
2400         @"selection",
2401         @"shortDescription",
2402         @"shortSection",
2403         @"simpleSection",
2404         @"size",
2405         @"source",
2406         @"sponsor",
2407         @"state",
2408         @"support",
2409         @"tags",
2410         @"warnings",
2411     nil];
2412 }
2413
2414 - (NSArray *) attributeKeys {
2415     return [[self class] _attributeKeys];
2416 }
2417
2418 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
2419     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
2420 }
2421
2422 - (NSArray *) relations {
2423 @synchronized (database_) {
2424     NSMutableArray *relations([NSMutableArray arrayWithCapacity:16]);
2425     for (pkgCache::DepIterator dep(version_.DependsList()); !dep.end(); ++dep)
2426         [relations addObject:[[[CydiaRelation alloc] initWithIterator:dep] autorelease]];
2427     return relations;
2428 } }
2429
2430 - (NSString *) getField:(NSString *)name {
2431 @synchronized (database_) {
2432     if ([database_ era] != era_ || file_.end())
2433         return nil;
2434
2435     pkgRecords::Parser &parser([database_ records]->Lookup(file_));
2436
2437     const char *start, *end;
2438     if (!parser.Find([name UTF8String], start, end))
2439         return (NSString *) [NSNull null];
2440
2441     return [(NSString *) CYStringCreate(start, end - start) autorelease];
2442 } }
2443
2444 - (void) parse {
2445     if (parsed_ != NULL)
2446         return;
2447 @synchronized (database_) {
2448     if ([database_ era] != era_ || file_.end())
2449         return;
2450
2451     ParsedPackage *parsed(new ParsedPackage);
2452     parsed_ = parsed;
2453
2454     _profile(Package$parse)
2455         pkgRecords::Parser *parser;
2456
2457         _profile(Package$parse$Lookup)
2458             parser = &[database_ records]->Lookup(file_);
2459         _end
2460
2461         CYString website;
2462
2463         _profile(Package$parse$Find)
2464             struct {
2465                 const char *name_;
2466                 CYString *value_;
2467             } names[] = {
2468                 {"icon", &parsed->icon_},
2469                 {"depiction", &parsed->depiction_},
2470                 {"homepage", &parsed->homepage_},
2471                 {"website", &website},
2472                 {"bugs", &parsed->bugs_},
2473                 {"support", &parsed->support_},
2474                 {"sponsor", &parsed->sponsor_},
2475                 {"author", &parsed->author_},
2476             };
2477
2478             for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i) {
2479                 const char *start, *end;
2480
2481                 if (parser->Find(names[i].name_, start, end)) {
2482                     CYString &value(*names[i].value_);
2483                     _profile(Package$parse$Value)
2484                         value.set(pool_, start, end - start);
2485                     _end
2486                 }
2487             }
2488         _end
2489
2490         _profile(Package$parse$Tagline)
2491             const char *start, *end;
2492             if (parser->ShortDesc(start, end)) {
2493                 const char *stop(reinterpret_cast<const char *>(memchr(start, '\n', end - start)));
2494                 if (stop == NULL)
2495                     stop = end;
2496                 while (stop != start && stop[-1] == '\r')
2497                     --stop;
2498                 parsed->tagline_.set(pool_, start, stop - start);
2499             }
2500         _end
2501
2502         _profile(Package$parse$Retain)
2503             if (parsed->homepage_.empty())
2504                 parsed->homepage_ = website;
2505             if (parsed->homepage_ == parsed->depiction_)
2506                 parsed->homepage_.clear();
2507         _end
2508     _end
2509 } }
2510
2511 - (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database {
2512     if ((self = [super init]) != nil) {
2513     _profile(Package$initWithVersion)
2514         pool_ = pool;
2515
2516         database_ = database;
2517         era_ = [database era];
2518
2519         version_ = version;
2520
2521         pkgCache::PkgIterator iterator(version.ParentPkg());
2522         iterator_ = iterator;
2523
2524         _profile(Package$initWithVersion$Version)
2525             if (!version_.end())
2526                 file_ = version_.FileList();
2527             else {
2528                 pkgCache &cache([database_ cache]);
2529                 file_ = pkgCache::VerFileIterator(cache, cache.VerFileP);
2530             }
2531         _end
2532
2533         _profile(Package$initWithVersion$Cache)
2534             name_.set(NULL, iterator.Display());
2535
2536             latest_.set(NULL, StripVersion_(version_.VerStr()));
2537
2538             pkgCache::VerIterator current(iterator.CurrentVer());
2539             if (!current.end())
2540                 installed_.set(NULL, StripVersion_(current.VerStr()));
2541         _end
2542
2543         _profile(Package$initWithVersion$Tags)
2544             pkgCache::TagIterator tag(iterator.TagList());
2545             if (!tag.end()) {
2546                 tags_ = [[NSMutableArray alloc] initWithCapacity:8];
2547                 do {
2548                     const char *name(tag.Name());
2549                     [tags_ addObject:[(NSString *)CYStringCreate(name) autorelease]];
2550
2551                     if (role_ == 0 && strncmp(name, "role::", 6) == 0 /*&& strcmp(name, "role::leaper") != 0*/) {
2552                         if (strcmp(name + 6, "enduser") == 0)
2553                             role_ = 1;
2554                         else if (strcmp(name + 6, "hacker") == 0)
2555                             role_ = 2;
2556                         else if (strcmp(name + 6, "developer") == 0)
2557                             role_ = 3;
2558                         else if (strcmp(name + 6, "cydia") == 0)
2559                             role_ = 7;
2560                         else
2561                             role_ = 4;
2562                     }
2563
2564                     if (strncmp(name, "cydia::", 7) == 0) {
2565                         if (strcmp(name + 7, "essential") == 0)
2566                             essential_ = true;
2567                         else if (strcmp(name + 7, "obsolete") == 0)
2568                             obsolete_ = true;
2569                     }
2570
2571                     ++tag;
2572                 } while (!tag.end());
2573             }
2574         _end
2575
2576         _profile(Package$initWithVersion$Metadata)
2577             const char *mixed(iterator.Name());
2578             size_t size(strlen(mixed));
2579             char lower[size + 1];
2580
2581             for (size_t i(0); i != size; ++i)
2582                 lower[i] = mixed[i] | 0x20;
2583             lower[size] = '\0';
2584
2585             PackageValue *metadata(PackageFind(lower, size));
2586             metadata_ = metadata;
2587
2588             id_.set(NULL, metadata->name_, size);
2589
2590             const char *latest(version_.VerStr());
2591             size_t length(strlen(latest));
2592
2593             uint16_t vhash(hashlittle(latest, length));
2594
2595             size_t capped(std::min<size_t>(8, length));
2596             latest = latest + length - capped;
2597
2598             if (metadata->first_ == 0)
2599                 metadata->first_ = now_;
2600
2601             if (metadata->vhash_ != vhash || strncmp(metadata->version_, latest, sizeof(metadata->version_)) != 0) {
2602                 strncpy(metadata->version_, latest, sizeof(metadata->version_));
2603                 metadata->vhash_ = vhash;
2604                 metadata->last_ = now_;
2605             } else if (metadata->last_ == 0)
2606                 metadata->last_ = metadata->first_;
2607         _end
2608
2609         _profile(Package$initWithVersion$Section)
2610             section_ = iterator.Section();
2611         _end
2612
2613         _profile(Package$initWithVersion$Flags)
2614             essential_ |= ((iterator->Flags & pkgCache::Flag::Essential) == 0 ? NO : YES);
2615             ignored_ = iterator->SelectedState == pkgCache::State::Hold;
2616         _end
2617     _end } return self;
2618 }
2619
2620 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database {
2621     pkgCache::VerIterator version;
2622
2623     _profile(Package$packageWithIterator$GetCandidateVer)
2624         version = [database policy]->GetCandidateVer(iterator);
2625     _end
2626
2627     if (version.end())
2628         return nil;
2629
2630     Package *package;
2631
2632     _profile(Package$packageWithIterator$Allocate)
2633         package = [Package allocWithZone:zone];
2634     _end
2635
2636     _profile(Package$packageWithIterator$Initialize)
2637         package = [package
2638             initWithVersion:version
2639             withZone:zone
2640             inPool:pool
2641             database:database
2642         ];
2643     _end
2644
2645     _profile(Package$packageWithIterator$Autorelease)
2646         package = [package autorelease];
2647     _end
2648
2649     return package;
2650 }
2651
2652 - (pkgCache::PkgIterator) iterator {
2653     return iterator_;
2654 }
2655
2656 - (NSString *) section {
2657     if (section$_ == nil) {
2658         if (section_ == NULL)
2659             return nil;
2660
2661         _profile(Package$section$mappedSectionForPointer)
2662             section$_ = [database_ mappedSectionForPointer:section_];
2663         _end
2664     } return section$_;
2665 }
2666
2667 - (NSString *) simpleSection {
2668     if (NSString *section = [self section])
2669         return Simplify(section);
2670     else
2671         return nil;
2672 }
2673
2674 - (NSString *) longSection {
2675     return LocalizeSection([self section]);
2676 }
2677
2678 - (NSString *) shortSection {
2679     return [[NSBundle mainBundle] localizedStringForKey:[self simpleSection] value:nil table:@"Sections"];
2680 }
2681
2682 - (NSString *) uri {
2683     return nil;
2684 #if 0
2685     pkgIndexFile *index;
2686     pkgCache::PkgFileIterator file(file_.File());
2687     if (![database_ list].FindIndex(file, index))
2688         return nil;
2689     return [NSString stringWithUTF8String:iterator_->Path];
2690     //return [NSString stringWithUTF8String:file.Site()];
2691     //return [NSString stringWithUTF8String:index->ArchiveURI(file.FileName()).c_str()];
2692 #endif
2693 }
2694
2695 - (Address *) maintainer {
2696 @synchronized (database_) {
2697     if ([database_ era] != era_ || file_.end())
2698         return nil;
2699
2700     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
2701     const std::string &maintainer(parser->Maintainer());
2702     return maintainer.empty() ? nil : [Address addressWithString:[NSString stringWithUTF8String:maintainer.c_str()]];
2703 } }
2704
2705 - (size_t) size {
2706 @synchronized (database_) {
2707     if ([database_ era] != era_ || version_.end())
2708         return 0;
2709
2710     return version_->InstalledSize;
2711 } }
2712
2713 - (NSString *) longDescription {
2714 @synchronized (database_) {
2715     if ([database_ era] != era_ || file_.end())
2716         return nil;
2717
2718     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
2719     NSString *description([NSString stringWithUTF8String:parser->LongDesc().c_str()]);
2720
2721     NSArray *lines = [description componentsSeparatedByString:@"\n"];
2722     NSMutableArray *trimmed = [NSMutableArray arrayWithCapacity:([lines count] - 1)];
2723     if ([lines count] < 2)
2724         return nil;
2725
2726     NSCharacterSet *whitespace = [NSCharacterSet whitespaceCharacterSet];
2727     for (size_t i(1), e([lines count]); i != e; ++i) {
2728         NSString *trim = [[lines objectAtIndex:i] stringByTrimmingCharactersInSet:whitespace];
2729         [trimmed addObject:trim];
2730     }
2731
2732     return [trimmed componentsJoinedByString:@"\n"];
2733 } }
2734
2735 - (NSString *) shortDescription {
2736     return parsed_ == NULL ? nil : static_cast<NSString *>(parsed_->tagline_);
2737 }
2738
2739 - (unichar) index {
2740     _profile(Package$index)
2741         CFStringRef name((CFStringRef) [self name]);
2742         if (CFStringGetLength(name) == 0)
2743             return '#';
2744         UniChar character(CFStringGetCharacterAtIndex(name, 0));
2745         if (!CFUniCharIsMemberOf(character, kCFUniCharLetterCharacterSet))
2746             return '#';
2747         return toupper(character);
2748     _end
2749 }
2750
2751 - (PackageValue *) metadata {
2752     return metadata_;
2753 }
2754
2755 - (time_t) seen {
2756     PackageValue *metadata([self metadata]);
2757     return metadata->subscribed_ ? metadata->last_ : metadata->first_;
2758 }
2759
2760 - (bool) subscribed {
2761     return [self metadata]->subscribed_;
2762 }
2763
2764 - (bool) setSubscribed:(bool)subscribed {
2765     PackageValue *metadata([self metadata]);
2766     if (metadata->subscribed_ == subscribed)
2767         return false;
2768     metadata->subscribed_ = subscribed;
2769     return true;
2770 }
2771
2772 - (BOOL) ignored {
2773     return ignored_;
2774 }
2775
2776 - (NSString *) latest {
2777     return latest_;
2778 }
2779
2780 - (NSString *) installed {
2781     return installed_;
2782 }
2783
2784 - (BOOL) uninstalled {
2785     return installed_.empty();
2786 }
2787
2788 - (BOOL) valid {
2789     return !version_.end();
2790 }
2791
2792 - (BOOL) upgradableAndEssential:(BOOL)essential {
2793     _profile(Package$upgradableAndEssential)
2794         pkgCache::VerIterator current(iterator_.CurrentVer());
2795         if (current.end())
2796             return essential && essential_;
2797         else
2798             return !version_.end() && version_ != current;
2799     _end
2800 }
2801
2802 - (BOOL) essential {
2803     return essential_;
2804 }
2805
2806 - (BOOL) broken {
2807     return [database_ cache][iterator_].InstBroken();
2808 }
2809
2810 - (BOOL) unfiltered {
2811     _profile(Package$unfiltered$obsolete)
2812         if (_unlikely(obsolete_))
2813             return false;
2814     _end
2815
2816     _profile(Package$unfiltered$hasSupportingRole)
2817         if (_unlikely(![self hasSupportingRole]))
2818             return false;
2819     _end
2820
2821     return true;
2822 }
2823
2824 - (BOOL) visible {
2825     if (![self unfiltered])
2826         return false;
2827
2828     NSString *section;
2829
2830     _profile(Package$visible$section)
2831         section = [self section];
2832     _end
2833
2834     _profile(Package$visible$isSectionVisible)
2835         if (!isSectionVisible(section))
2836             return false;
2837     _end
2838
2839     return true;
2840 }
2841
2842 - (BOOL) half {
2843     unsigned char current(iterator_->CurrentState);
2844     return current == pkgCache::State::HalfConfigured || current == pkgCache::State::HalfInstalled;
2845 }
2846
2847 - (BOOL) halfConfigured {
2848     return iterator_->CurrentState == pkgCache::State::HalfConfigured;
2849 }
2850
2851 - (BOOL) halfInstalled {
2852     return iterator_->CurrentState == pkgCache::State::HalfInstalled;
2853 }
2854
2855 - (BOOL) hasMode {
2856     pkgDepCache::StateCache &state([database_ cache][iterator_]);
2857     return state.Mode != pkgDepCache::ModeKeep;
2858 }
2859
2860 - (NSString *) mode {
2861     pkgDepCache::StateCache &state([database_ cache][iterator_]);
2862
2863     switch (state.Mode) {
2864         case pkgDepCache::ModeDelete:
2865             if ((state.iFlags & pkgDepCache::Purge) != 0)
2866                 return @"PURGE";
2867             else
2868                 return @"REMOVE";
2869         case pkgDepCache::ModeKeep:
2870             if ((state.iFlags & pkgDepCache::ReInstall) != 0)
2871                 return @"REINSTALL";
2872             /*else if ((state.iFlags & pkgDepCache::AutoKept) != 0)
2873                 return nil;*/
2874             else
2875                 return nil;
2876         case pkgDepCache::ModeInstall:
2877             /*if ((state.iFlags & pkgDepCache::ReInstall) != 0)
2878                 return @"REINSTALL";
2879             else*/ switch (state.Status) {
2880                 case -1:
2881                     return @"DOWNGRADE";
2882                 case 0:
2883                     return @"INSTALL";
2884                 case 1:
2885                     return @"UPGRADE";
2886                 case 2:
2887                     return @"NEW_INSTALL";
2888                 _nodefault
2889             }
2890         _nodefault
2891     }
2892 }
2893
2894 - (NSString *) id {
2895     return id_;
2896 }
2897
2898 - (NSString *) name {
2899     return name_.empty() ? id_ : name_;
2900 }
2901
2902 - (UIImage *) icon {
2903     NSString *section = [self simpleSection];
2904
2905     UIImage *icon(nil);
2906     if (parsed_ != NULL)
2907         if (NSString *href = parsed_->icon_)
2908             if ([href hasPrefix:@"file:///"])
2909                 // XXX: correct escaping
2910                 icon = [UIImage imageAtPath:[href substringFromIndex:7]];
2911     if (icon == nil) if (section != nil)
2912         icon = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, section]];
2913     if (icon == nil) if (Source *source = [self source]) if (NSString *dicon = [source defaultIcon])
2914         if ([dicon hasPrefix:@"file:///"])
2915             // XXX: correct escaping
2916             icon = [UIImage imageAtPath:[dicon substringFromIndex:7]];
2917     if (icon == nil)
2918         icon = [UIImage applicationImageNamed:@"unknown.png"];
2919     return icon;
2920 }
2921
2922 - (NSString *) homepage {
2923     return parsed_ == NULL ? nil : static_cast<NSString *>(parsed_->homepage_);
2924 }
2925
2926 - (NSString *) depiction {
2927     return parsed_ != NULL && !parsed_->depiction_.empty() ? parsed_->depiction_ : [[self source] depictionForPackage:id_];
2928 }
2929
2930 - (Address *) sponsor {
2931     return parsed_ == NULL || parsed_->sponsor_.empty() ? nil : [Address addressWithString:parsed_->sponsor_];
2932 }
2933
2934 - (Address *) author {
2935     return parsed_ == NULL || parsed_->author_.empty() ? nil : [Address addressWithString:parsed_->author_];
2936 }
2937
2938 - (NSString *) support {
2939     return parsed_ != NULL && !parsed_->bugs_.empty() ? parsed_->bugs_ : [[self source] supportForPackage:id_];
2940 }
2941
2942 - (NSArray *) files {
2943     NSString *path = [NSString stringWithFormat:@"/var/lib/dpkg/info/%@.list", static_cast<NSString *>(id_)];
2944     NSMutableArray *files = [NSMutableArray arrayWithCapacity:128];
2945
2946     std::ifstream fin;
2947     fin.open([path UTF8String]);
2948     if (!fin.is_open())
2949         return nil;
2950
2951     std::string line;
2952     while (std::getline(fin, line))
2953         [files addObject:[NSString stringWithUTF8String:line.c_str()]];
2954
2955     return files;
2956 }
2957
2958 - (NSString *) state {
2959 @synchronized (database_) {
2960     if ([database_ era] != era_ || file_.end())
2961         return nil;
2962
2963     switch (iterator_->CurrentState) {
2964         case pkgCache::State::NotInstalled:
2965             return @"NotInstalled";
2966         case pkgCache::State::UnPacked:
2967             return @"UnPacked";
2968         case pkgCache::State::HalfConfigured:
2969             return @"HalfConfigured";
2970         case pkgCache::State::HalfInstalled:
2971             return @"HalfInstalled";
2972         case pkgCache::State::ConfigFiles:
2973             return @"ConfigFiles";
2974         case pkgCache::State::Installed:
2975             return @"Installed";
2976         case pkgCache::State::TriggersAwaited:
2977             return @"TriggersAwaited";
2978         case pkgCache::State::TriggersPending:
2979             return @"TriggersPending";
2980     }
2981
2982     return (NSString *) [NSNull null];
2983 } }
2984
2985 - (NSString *) selection {
2986 @synchronized (database_) {
2987     if ([database_ era] != era_ || file_.end())
2988         return nil;
2989
2990     switch (iterator_->SelectedState) {
2991         case pkgCache::State::Unknown:
2992             return @"Unknown";
2993         case pkgCache::State::Install:
2994             return @"Install";
2995         case pkgCache::State::Hold:
2996             return @"Hold";
2997         case pkgCache::State::DeInstall:
2998             return @"DeInstall";
2999         case pkgCache::State::Purge:
3000             return @"Purge";
3001     }
3002
3003     return (NSString *) [NSNull null];
3004 } }
3005
3006 - (NSArray *) warnings {
3007     NSMutableArray *warnings([NSMutableArray arrayWithCapacity:4]);
3008     const char *name(iterator_.Name());
3009
3010     size_t length(strlen(name));
3011     if (length < 2) invalid:
3012         [warnings addObject:UCLocalize("ILLEGAL_PACKAGE_IDENTIFIER")];
3013     else for (size_t i(0); i != length; ++i)
3014         if (
3015             /* XXX: technically this is not allowed */
3016             (name[i] < 'A' || name[i] > 'Z') &&
3017             (name[i] < 'a' || name[i] > 'z') &&
3018             (name[i] < '0' || name[i] > '9') &&
3019             (i == 0 || name[i] != '+' && name[i] != '-' && name[i] != '.')
3020         ) goto invalid;
3021
3022     if (strcmp(name, "cydia") != 0) {
3023         bool cydia = false;
3024         bool user = false;
3025         bool _private = false;
3026         bool stash = false;
3027
3028         bool repository = [[self section] isEqualToString:@"Repositories"];
3029
3030         if (NSArray *files = [self files])
3031             for (NSString *file in files)
3032                 if (!cydia && [file isEqualToString:@"/Applications/Cydia.app"])
3033                     cydia = true;
3034                 else if (!user && [file isEqualToString:@"/User"])
3035                     user = true;
3036                 else if (!_private && [file isEqualToString:@"/private"])
3037                     _private = true;
3038                 else if (!stash && [file isEqualToString:@"/var/stash"])
3039                     stash = true;
3040
3041         /* XXX: this is not sensitive enough. only some folders are valid. */
3042         if (cydia && !repository)
3043             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"Cydia.app"]];
3044         if (user)
3045             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/User"]];
3046         if (_private)
3047             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/private"]];
3048         if (stash)
3049             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/var/stash"]];
3050     }
3051
3052     return [warnings count] == 0 ? nil : warnings;
3053 }
3054
3055 - (NSArray *) applications {
3056     NSString *me([[NSBundle mainBundle] bundleIdentifier]);
3057
3058     NSMutableArray *applications([NSMutableArray arrayWithCapacity:2]);
3059
3060     static Pcre application_r("^/Applications/(.*)\\.app/Info.plist$");
3061     if (NSArray *files = [self files])
3062         for (NSString *file in files)
3063             if (application_r(file)) {
3064                 NSDictionary *info([NSDictionary dictionaryWithContentsOfFile:file]);
3065                 NSString *id([info objectForKey:@"CFBundleIdentifier"]);
3066                 if ([id isEqualToString:me])
3067                     continue;
3068
3069                 NSString *display([info objectForKey:@"CFBundleDisplayName"]);
3070                 if (display == nil)
3071                     display = application_r[1];
3072
3073                 NSString *bundle([file stringByDeletingLastPathComponent]);
3074                 NSString *icon([info objectForKey:@"CFBundleIconFile"]);
3075                 if (icon == nil || [icon length] == 0)
3076                     icon = @"icon.png";
3077                 NSURL *url([NSURL fileURLWithPath:[bundle stringByAppendingPathComponent:icon]]);
3078
3079                 NSMutableArray *application([NSMutableArray arrayWithCapacity:2]);
3080                 [applications addObject:application];
3081
3082                 [application addObject:id];
3083                 [application addObject:display];
3084                 [application addObject:url];
3085             }
3086
3087     return [applications count] == 0 ? nil : applications;
3088 }
3089
3090 - (Source *) source {
3091     if (source_ == nil) {
3092         @synchronized (database_) {
3093             if ([database_ era] != era_ || file_.end())
3094                 source_ = (Source *) [NSNull null];
3095             else
3096                 source_ = [([database_ getSource:file_.File()] ?: (Source *) [NSNull null]) retain];
3097         }
3098     }
3099
3100     return source_ == (Source *) [NSNull null] ? nil : source_;
3101 }
3102
3103 - (BOOL) matches:(NSString *)text {
3104     if (text == nil)
3105         return NO;
3106
3107     NSRange range;
3108
3109     range = [[self id] rangeOfString:text options:MatchCompareOptions_];
3110     if (range.location != NSNotFound)
3111         return YES;
3112
3113     range = [[self name] rangeOfString:text options:MatchCompareOptions_];
3114     if (range.location != NSNotFound)
3115         return YES;
3116
3117     [self parse];
3118
3119     range = [[self shortDescription] rangeOfString:text options:MatchCompareOptions_];
3120     if (range.location != NSNotFound)
3121         return YES;
3122
3123     return NO;
3124 }
3125
3126 - (bool) hasSupportingRole {
3127     if (role_ == 0)
3128         return true;
3129     if (role_ == 1)
3130         return true;
3131     if ([Role_ isEqualToString:@"User"])
3132         return false;
3133     if (role_ == 2)
3134         return true;
3135     if ([Role_ isEqualToString:@"Hacker"])
3136         return false;
3137     if (role_ == 3)
3138         return true;
3139     if ([Role_ isEqualToString:@"Developer"])
3140         return false;
3141     _assert(false);
3142 }
3143
3144 - (NSArray *) tags {
3145     return tags_;
3146 }
3147
3148 - (BOOL) hasTag:(NSString *)tag {
3149     return tags_ == nil ? NO : [tags_ containsObject:tag];
3150 }
3151
3152 - (NSString *) primaryPurpose {
3153     for (NSString *tag in tags_)
3154         if ([tag hasPrefix:@"purpose::"])
3155             return [tag substringFromIndex:9];
3156     return nil;
3157 }
3158
3159 - (NSArray *) purposes {
3160     NSMutableArray *purposes([NSMutableArray arrayWithCapacity:2]);
3161     for (NSString *tag in tags_)
3162         if ([tag hasPrefix:@"purpose::"])
3163             [purposes addObject:[tag substringFromIndex:9]];
3164     return [purposes count] == 0 ? nil : purposes;
3165 }
3166
3167 - (bool) isCommercial {
3168     return [self hasTag:@"cydia::commercial"];
3169 }
3170
3171 - (void) setIndex:(size_t)index {
3172     if (metadata_->index_ != index)
3173         metadata_->index_ = index;
3174 }
3175
3176 - (CYString &) cyname {
3177     return name_.empty() ? id_ : name_;
3178 }
3179
3180 - (uint32_t) compareBySection:(NSArray *)sections {
3181     NSString *section([self section]);
3182     for (size_t i(0), e([sections count]); i != e; ++i) {
3183         if ([section isEqualToString:[[sections objectAtIndex:i] name]])
3184             return i;
3185     }
3186
3187     return _not(uint32_t);
3188 }
3189
3190 - (void) clear {
3191 @synchronized (database_) {
3192     pkgProblemResolver *resolver = [database_ resolver];
3193     resolver->Clear(iterator_);
3194
3195     pkgCacheFile &cache([database_ cache]);
3196     cache->SetReInstall(iterator_, false);
3197     cache->MarkKeep(iterator_, false);
3198 } }
3199
3200 - (void) install {
3201 @synchronized (database_) {
3202     pkgProblemResolver *resolver = [database_ resolver];
3203     resolver->Clear(iterator_);
3204     resolver->Protect(iterator_);
3205
3206     pkgCacheFile &cache([database_ cache]);
3207     cache->SetReInstall(iterator_, false);
3208     cache->MarkInstall(iterator_, false);
3209
3210     pkgDepCache::StateCache &state((*cache)[iterator_]);
3211     if (!state.Install())
3212         cache->SetReInstall(iterator_, true);
3213 } }
3214
3215 - (void) remove {
3216 @synchronized (database_) {
3217     pkgProblemResolver *resolver = [database_ resolver];
3218     resolver->Clear(iterator_);
3219     resolver->Remove(iterator_);
3220     resolver->Protect(iterator_);
3221
3222     pkgCacheFile &cache([database_ cache]);
3223     cache->SetReInstall(iterator_, false);
3224     cache->MarkDelete(iterator_, true);
3225 } }
3226
3227 - (bool) isUnfilteredAndSearchedForBy:(NSString *)search {
3228     _profile(Package$isUnfilteredAndSearchedForBy)
3229         bool value(true);
3230
3231         _profile(Package$isUnfilteredAndSearchedForBy$Unfiltered)
3232             value &= [self unfiltered];
3233         _end
3234
3235         _profile(Package$isUnfilteredAndSearchedForBy$Match)
3236             value &= [self matches:search];
3237         _end
3238
3239         return value;
3240     _end
3241 }
3242
3243 - (bool) isUnfilteredAndSelectedForBy:(NSString *)search {
3244     if ([search length] == 0)
3245         return false;
3246
3247     _profile(Package$isUnfilteredAndSelectedForBy)
3248         bool value(true);
3249
3250         _profile(Package$isUnfilteredAndSelectedForBy$Unfiltered)
3251             value &= [self unfiltered];
3252         _end
3253
3254         _profile(Package$isUnfilteredAndSelectedForBy$Match)
3255             value &= [[self name] compare:search options:MatchCompareOptions_ range:NSMakeRange(0, [search length])] == NSOrderedSame;
3256         _end
3257
3258         return value;
3259     _end
3260 }
3261
3262 - (bool) isInstalledAndUnfiltered:(NSNumber *)number {
3263     return ![self uninstalled] && (![number boolValue] && role_ != 7 || [self unfiltered]);
3264 }
3265
3266 - (bool) isVisibleInSection:(NSString *)name {
3267     NSString *section([self section]);
3268
3269     return (
3270         name == nil ||
3271         section == nil && [name length] == 0 ||
3272         [name isEqualToString:section]
3273     ) && [self visible];
3274 }
3275
3276 - (bool) isVisibleInSource:(Source *)source {
3277     return [self source] == source && [self visible];
3278 }
3279
3280 @end
3281 /* }}} */
3282 /* Section Class {{{ */
3283 @interface Section : NSObject {
3284     NSString *name_;
3285     unichar index_;
3286     size_t row_;
3287     size_t count_;
3288     NSString *localized_;
3289 }
3290
3291 - (NSComparisonResult) compareByLocalized:(Section *)section;
3292 - (Section *) initWithName:(NSString *)name localized:(NSString *)localized;
3293 - (Section *) initWithName:(NSString *)name localize:(BOOL)localize;
3294 - (Section *) initWithName:(NSString *)name row:(size_t)row localize:(BOOL)localize;
3295 - (Section *) initWithIndex:(unichar)index row:(size_t)row;
3296 - (NSString *) name;
3297 - (unichar) index;
3298
3299 - (size_t) row;
3300 - (size_t) count;
3301
3302 - (void) addToRow;
3303 - (void) addToCount;
3304
3305 - (void) setCount:(size_t)count;
3306 - (NSString *) localized;
3307
3308 @end
3309
3310 @implementation Section
3311
3312 - (void) dealloc {
3313     [name_ release];
3314     if (localized_ != nil)
3315         [localized_ release];
3316     [super dealloc];
3317 }
3318
3319 - (NSComparisonResult) compareByLocalized:(Section *)section {
3320     NSString *lhs(localized_);
3321     NSString *rhs([section localized]);
3322
3323     /*if ([lhs length] != 0 && [rhs length] != 0) {
3324         unichar lhc = [lhs characterAtIndex:0];
3325         unichar rhc = [rhs characterAtIndex:0];
3326
3327         if (isalpha(lhc) && !isalpha(rhc))
3328             return NSOrderedAscending;
3329         else if (!isalpha(lhc) && isalpha(rhc))
3330             return NSOrderedDescending;
3331     }*/
3332
3333     return [lhs compare:rhs options:LaxCompareOptions_];
3334 }
3335
3336 - (Section *) initWithName:(NSString *)name localized:(NSString *)localized {
3337     if ((self = [self initWithName:name localize:NO]) != nil) {
3338         if (localized != nil)
3339             localized_ = [localized retain];
3340     } return self;
3341 }
3342
3343 - (Section *) initWithName:(NSString *)name localize:(BOOL)localize {
3344     return [self initWithName:name row:0 localize:localize];
3345 }
3346
3347 - (Section *) initWithName:(NSString *)name row:(size_t)row localize:(BOOL)localize {
3348     if ((self = [super init]) != nil) {
3349         name_ = [name retain];
3350         index_ = '\0';
3351         row_ = row;
3352         if (localize)
3353             localized_ = [LocalizeSection(name_) retain];
3354     } return self;
3355 }
3356
3357 /* XXX: localize the index thingees */
3358 - (Section *) initWithIndex:(unichar)index row:(size_t)row {
3359     if ((self = [super init]) != nil) {
3360         name_ = [[NSString stringWithCharacters:&index length:1] retain];
3361         index_ = index;
3362         row_ = row;
3363     } return self;
3364 }
3365
3366 - (NSString *) name {
3367     return name_;
3368 }
3369
3370 - (unichar) index {
3371     return index_;
3372 }
3373
3374 - (size_t) row {
3375     return row_;
3376 }
3377
3378 - (size_t) count {
3379     return count_;
3380 }
3381
3382 - (void) addToRow {
3383     ++row_;
3384 }
3385
3386 - (void) addToCount {
3387     ++count_;
3388 }
3389
3390 - (void) setCount:(size_t)count {
3391     count_ = count;
3392 }
3393
3394 - (NSString *) localized {
3395     return localized_;
3396 }
3397
3398 @end
3399 /* }}} */
3400
3401 static NSString *Colon_;
3402 static NSString *Elision_;
3403 static NSString *Error_;
3404 static NSString *Warning_;
3405
3406 /* Database Implementation {{{ */
3407 @implementation Database
3408
3409 + (Database *) sharedInstance {
3410     static Database *instance;
3411     if (instance == nil)
3412         instance = [[Database alloc] init];
3413     return instance;
3414 }
3415
3416 - (unsigned) era {
3417     return era_;
3418 }
3419
3420 - (void) releasePackages {
3421     CFArrayApplyFunction(packages_, CFRangeMake(0, CFArrayGetCount(packages_)), reinterpret_cast<CFArrayApplierFunction>(&CFRelease), NULL);
3422     CFArrayRemoveAllValues(packages_);
3423 }
3424
3425 - (void) dealloc {
3426     // XXX: actually implement this thing
3427     _assert(false);
3428     [sourceList_ release];
3429     [self releasePackages];
3430     apr_pool_destroy(pool_);
3431     NSRecycleZone(zone_);
3432     [super dealloc];
3433 }
3434
3435 - (void) _readCydia:(NSNumber *)fd { _pooled
3436     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3437     std::istream is(&ib);
3438     std::string line;
3439
3440     static Pcre finish_r("^finish:([^:]*)$");
3441
3442     while (std::getline(is, line)) {
3443         const char *data(line.c_str());
3444         size_t size = line.size();
3445         lprintf("C:%s\n", data);
3446
3447         if (finish_r(data, size)) {
3448             NSString *finish = finish_r[1];
3449             int index = [Finishes_ indexOfObject:finish];
3450             if (index != INT_MAX && index > Finish_)
3451                 Finish_ = index;
3452         }
3453     }
3454
3455     _assume(false);
3456 }
3457
3458 - (void) _readStatus:(NSNumber *)fd { _pooled
3459     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3460     std::istream is(&ib);
3461     std::string line;
3462
3463     static Pcre conffile_r("^status: [^ ]* : conffile-prompt : (.*?) *$");
3464     static Pcre pmstatus_r("^([^:]*):([^:]*):([^:]*):(.*)$");
3465
3466     while (std::getline(is, line)) {
3467         const char *data(line.c_str());
3468         size_t size(line.size());
3469         lprintf("S:%s\n", data);
3470
3471         if (conffile_r(data, size)) {
3472             // status: /fail : conffile-prompt : '/fail' '/fail.dpkg-new' 1 1
3473             [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:conffile_r[1] waitUntilDone:YES];
3474         } else if (strncmp(data, "status: ", 8) == 0) {
3475             // status: <package>: {unpacked,half-configured,installed}
3476             CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:(data + 8)] ofType:kCydiaProgressEventTypeStatus]);
3477             [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3478         } else if (strncmp(data, "processing: ", 12) == 0) {
3479             // processing: configure: config-test
3480             CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:(data + 12)] ofType:kCydiaProgressEventTypeStatus]);
3481             [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3482         } else if (pmstatus_r(data, size)) {
3483             std::string type([pmstatus_r[1] UTF8String]);
3484
3485             NSString *package = pmstatus_r[2];
3486             if ([package isEqualToString:@"dpkg-exec"])
3487                 package = nil;
3488
3489             float percent([pmstatus_r[3] floatValue]);
3490             [progress_ performSelectorOnMainThread:@selector(setProgressPercent:) withObject:[NSNumber numberWithFloat:(percent / 100)] waitUntilDone:YES];
3491
3492             NSString *string = pmstatus_r[4];
3493
3494             if (type == "pmerror") {
3495                 CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:kCydiaProgressEventTypeError forPackage:package]);
3496                 [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3497             } else if (type == "pmstatus") {
3498                 CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:kCydiaProgressEventTypeStatus forPackage:package]);
3499                 [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3500             } else if (type == "pmconffile")
3501                 [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:string waitUntilDone:YES];
3502             else
3503                 lprintf("E:unknown pmstatus\n");
3504         } else
3505             lprintf("E:unknown status\n");
3506     }
3507
3508     _assume(false);
3509 }
3510
3511 - (void) _readOutput:(NSNumber *)fd { _pooled
3512     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3513     std::istream is(&ib);
3514     std::string line;
3515
3516     while (std::getline(is, line)) {
3517         lprintf("O:%s\n", line.c_str());
3518
3519         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:line.c_str()] ofType:kCydiaProgressEventTypeInformation]);
3520         [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3521     }
3522
3523     _assume(false);
3524 }
3525
3526 - (FILE *) input {
3527     return input_;
3528 }
3529
3530 - (Package *) packageWithName:(NSString *)name {
3531 @synchronized (self) {
3532     if (static_cast<pkgDepCache *>(cache_) == NULL)
3533         return nil;
3534     pkgCache::PkgIterator iterator(cache_->FindPkg([name UTF8String]));
3535     return iterator.end() ? nil : [Package packageWithIterator:iterator withZone:NULL inPool:pool_ database:self];
3536 } }
3537
3538 - (id) init {
3539     if ((self = [super init]) != nil) {
3540         policy_ = NULL;
3541         records_ = NULL;
3542         resolver_ = NULL;
3543         fetcher_ = NULL;
3544         lock_ = NULL;
3545
3546         zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
3547         apr_pool_create(&pool_, NULL);
3548
3549         size_t capacity(MetaFile_->active_);
3550         if (capacity == 0)
3551             capacity = 16384;
3552         else
3553             capacity += 1024;
3554
3555         packages_ = CFArrayCreateMutable(kCFAllocatorDefault, capacity, NULL);
3556         sourceList_ = [[NSMutableArray alloc] initWithCapacity:16];
3557
3558         int fds[2];
3559
3560         _assert(pipe(fds) != -1);
3561         cydiafd_ = fds[1];
3562
3563         _config->Set("APT::Keep-Fds::", cydiafd_);
3564         setenv("CYDIA", [[[[NSNumber numberWithInt:cydiafd_] stringValue] stringByAppendingString:@" 1"] UTF8String], _not(int));
3565
3566         [NSThread
3567             detachNewThreadSelector:@selector(_readCydia:)
3568             toTarget:self
3569             withObject:[NSNumber numberWithInt:fds[0]]
3570         ];
3571
3572         _assert(pipe(fds) != -1);
3573         statusfd_ = fds[1];
3574
3575         [NSThread
3576             detachNewThreadSelector:@selector(_readStatus:)
3577             toTarget:self
3578             withObject:[NSNumber numberWithInt:fds[0]]
3579         ];
3580
3581         _assert(pipe(fds) != -1);
3582         _assert(dup2(fds[0], 0) != -1);
3583         _assert(close(fds[0]) != -1);
3584
3585         input_ = fdopen(fds[1], "a");
3586
3587         _assert(pipe(fds) != -1);
3588         _assert(dup2(fds[1], 1) != -1);
3589         _assert(close(fds[1]) != -1);
3590
3591         [NSThread
3592             detachNewThreadSelector:@selector(_readOutput:)
3593             toTarget:self
3594             withObject:[NSNumber numberWithInt:fds[0]]
3595         ];
3596     } return self;
3597 }
3598
3599 - (pkgCacheFile &) cache {
3600     return cache_;
3601 }
3602
3603 - (pkgDepCache::Policy *) policy {
3604     return policy_;
3605 }
3606
3607 - (pkgRecords *) records {
3608     return records_;
3609 }
3610
3611 - (pkgProblemResolver *) resolver {
3612     return resolver_;
3613 }
3614
3615 - (pkgAcquire &) fetcher {
3616     return *fetcher_;
3617 }
3618
3619 - (pkgSourceList &) list {
3620     return *list_;
3621 }
3622
3623 - (NSArray *) packages {
3624     return (NSArray *) packages_;
3625 }
3626
3627 - (NSArray *) sources {
3628     return sourceList_;
3629 }
3630
3631 - (Source *) sourceWithKey:(NSString *)key {
3632     for (Source *source in [self sources]) {
3633         if ([[source key] isEqualToString:key])
3634             return source;
3635     } return nil;
3636 }
3637
3638 - (bool) popErrorWithTitle:(NSString *)title {
3639     bool fatal(false);
3640
3641     while (!_error->empty()) {
3642         std::string error;
3643         bool warning(!_error->PopMessage(error));
3644         if (!warning)
3645             fatal = true;
3646
3647         for (;;) {
3648             size_t size(error.size());
3649             if (size == 0 || error[size - 1] != '\n')
3650                 break;
3651             error.resize(size - 1);
3652         }
3653
3654         lprintf("%c:[%s]\n", warning ? 'W' : 'E', error.c_str());
3655
3656         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? kCydiaProgressEventTypeWarning : kCydiaProgressEventTypeError)] forTask:title];
3657     }
3658
3659     return fatal;
3660 }
3661
3662 - (bool) popErrorWithTitle:(NSString *)title forOperation:(bool)success {
3663     return [self popErrorWithTitle:title] || !success;
3664 }
3665
3666 - (void) reloadDataWithInvocation:(NSInvocation *)invocation { CYPoolStart() {
3667 @synchronized (self) {
3668     ++era_;
3669
3670     [self releasePackages];
3671
3672     sourceMap_.clear();
3673     [sourceList_ removeAllObjects];
3674
3675     _error->Discard();
3676
3677     delete list_;
3678     list_ = NULL;
3679     manager_ = NULL;
3680     delete lock_;
3681     lock_ = NULL;
3682     delete fetcher_;
3683     fetcher_ = NULL;
3684     delete resolver_;
3685     resolver_ = NULL;
3686     delete records_;
3687     records_ = NULL;
3688     delete policy_;
3689     policy_ = NULL;
3690
3691     cache_.Close();
3692
3693     apr_pool_clear(pool_);
3694
3695     NSRecycleZone(zone_);
3696     zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
3697
3698     int chk(creat("/tmp/cydia.chk", 0644));
3699     if (chk != -1)
3700         close(chk);
3701
3702     if (invocation != nil)
3703         [invocation invoke];
3704
3705     NSString *title(UCLocalize("DATABASE"));
3706
3707     _trace();
3708     OpProgress progress;
3709     while (!cache_.Open(progress, true)) { pop:
3710         std::string error;
3711         bool warning(!_error->PopMessage(error));
3712         lprintf("cache_.Open():[%s]\n", error.c_str());
3713
3714         if (error == "dpkg was interrupted, you must manually run 'dpkg --configure -a' to correct the problem. ")
3715             [delegate_ repairWithSelector:@selector(configure)];
3716         else if (error == "The package lists or status file could not be parsed or opened.")
3717             [delegate_ repairWithSelector:@selector(update)];
3718         // else if (error == "Could not get lock /var/lib/dpkg/lock - open (35 Resource temporarily unavailable)")
3719         // else if (error == "Could not open lock file /var/lib/dpkg/lock - open (13 Permission denied)")
3720         // else if (error == "Malformed Status line")
3721         // else if (error == "The list of sources could not be read.")
3722         else {
3723             [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? kCydiaProgressEventTypeWarning : kCydiaProgressEventTypeError)] forTask:title];
3724             return;
3725         }
3726
3727         if (warning)
3728             goto pop;
3729         _error->Discard();
3730     }
3731     _trace();
3732
3733     unlink("/tmp/cydia.chk");
3734
3735     now_ = [[NSDate date] timeIntervalSince1970];
3736
3737     policy_ = new pkgDepCache::Policy();
3738     records_ = new pkgRecords(cache_);
3739     resolver_ = new pkgProblemResolver(cache_);
3740     fetcher_ = new pkgAcquire(&status_);
3741     lock_ = NULL;
3742
3743     list_ = new pkgSourceList();
3744     if ([self popErrorWithTitle:title forOperation:list_->ReadMainList()])
3745         return;
3746
3747     if (cache_->DelCount() != 0 || cache_->InstCount() != 0) {
3748         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("COUNTS_NONZERO_EX") ofType:kCydiaProgressEventTypeError] forTask:title];
3749         return;
3750     }
3751
3752     if ([self popErrorWithTitle:title forOperation:pkgApplyStatus(cache_)])
3753         return;
3754
3755     if (cache_->BrokenCount() != 0) {
3756         if ([self popErrorWithTitle:title forOperation:pkgFixBroken(cache_)])
3757             return;
3758
3759         if (cache_->BrokenCount() != 0) {
3760             [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("STILL_BROKEN_EX") ofType:kCydiaProgressEventTypeError] forTask:title];
3761             return;
3762         }
3763
3764         if ([self popErrorWithTitle:title forOperation:pkgMinimizeUpgrade(cache_)])
3765             return;
3766     }
3767
3768     for (pkgSourceList::const_iterator source = list_->begin(); source != list_->end(); ++source) {
3769         Source *object([[[Source alloc] initWithMetaIndex:*source inPool:pool_] autorelease]);
3770         [sourceList_ addObject:object];
3771
3772         std::vector<pkgIndexFile *> *indices = (*source)->GetIndexFiles();
3773         for (std::vector<pkgIndexFile *>::const_iterator index = indices->begin(); index != indices->end(); ++index)
3774             // XXX: this could be more intelligent
3775             if (dynamic_cast<debPackagesIndex *>(*index) != NULL) {
3776                 pkgCache::PkgFileIterator cached((*index)->FindInCache(cache_));
3777                 if (!cached.end())
3778                     sourceMap_[cached->ID] = object;
3779             }
3780     }
3781
3782     {
3783         /*std::vector<Package *> packages;
3784         packages.reserve(std::max(10000U, [packages_ count] + 1000));
3785         [packages_ release];
3786         packages_ = nil;*/
3787
3788         _trace();
3789
3790         for (pkgCache::PkgIterator iterator = cache_->PkgBegin(); !iterator.end(); ++iterator)
3791             if (Package *package = [Package packageWithIterator:iterator withZone:zone_ inPool:pool_ database:self])
3792                 //packages.push_back(package);
3793                 CFArrayAppendValue(packages_, [package retain]);
3794
3795         _trace();
3796
3797         /*if (packages.empty())
3798             packages_ = [[NSArray alloc] init];
3799         else
3800             packages_ = [[NSArray alloc] initWithObjects:&packages.front() count:packages.size()];
3801         _trace();*/
3802
3803         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(16)];
3804         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(4)];
3805         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(0)];
3806
3807         /*_trace();
3808         PrintTimes();
3809         _trace();*/
3810
3811         _trace();
3812
3813         /*if (!packages.empty())
3814             CFQSortArray(&packages.front(), packages.size(), sizeof(packages.front()), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare_), NULL);*/
3815         //std::sort(packages.begin(), packages.end(), PackageNameOrdering());
3816
3817         //CFArraySortValues((CFMutableArrayRef) packages_, CFRangeMake(0, [packages_ count]), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare), NULL);
3818
3819         CFArrayInsertionSortValues(packages_, CFRangeMake(0, CFArrayGetCount(packages_)), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare), NULL);
3820
3821         //[packages_ sortUsingFunction:reinterpret_cast<NSComparisonResult (*)(id, id, void *)>(&PackageNameCompare) context:NULL];
3822
3823         _trace();
3824
3825         size_t count(CFArrayGetCount(packages_));
3826         MetaFile_->active_ = count;
3827
3828         for (size_t index(0); index != count; ++index)
3829             [(Package *) CFArrayGetValueAtIndex(packages_, index) setIndex:index];
3830
3831         _trace();
3832     }
3833 } } CYPoolEnd() _trace(); }
3834
3835 - (void) clear {
3836 @synchronized (self) {
3837     delete resolver_;
3838     resolver_ = new pkgProblemResolver(cache_);
3839
3840     for (pkgCache::PkgIterator iterator(cache_->PkgBegin()); !iterator.end(); ++iterator)
3841         if (!cache_[iterator].Keep())
3842             cache_->MarkKeep(iterator, false);
3843         else if ((cache_[iterator].iFlags & pkgDepCache::ReInstall) != 0)
3844             cache_->SetReInstall(iterator, false);
3845 } }
3846
3847 - (void) configure {
3848     NSString *dpkg = [NSString stringWithFormat:@"dpkg --configure -a --status-fd %u", statusfd_];
3849     _trace();
3850     system([dpkg UTF8String]);
3851     _trace();
3852 }
3853
3854 - (bool) clean {
3855     // XXX: I don't remember this condition
3856     if (lock_ != NULL)
3857         return false;
3858
3859     FileFd Lock;
3860     Lock.Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
3861
3862     NSString *title(UCLocalize("CLEAN_ARCHIVES"));
3863
3864     if ([self popErrorWithTitle:title])
3865         return false;
3866
3867     pkgAcquire fetcher;
3868     fetcher.Clean(_config->FindDir("Dir::Cache::Archives"));
3869
3870     class LogCleaner :
3871         public pkgArchiveCleaner
3872     {
3873       protected:
3874         virtual void Erase(const char *File, std::string Pkg, std::string Ver, struct stat &St) {
3875             unlink(File);
3876         }
3877     } cleaner;
3878
3879     if ([self popErrorWithTitle:title forOperation:cleaner.Go(_config->FindDir("Dir::Cache::Archives") + "partial/", cache_)])
3880         return false;
3881
3882     return true;
3883 }
3884
3885 - (bool) prepare {
3886     fetcher_->Shutdown();
3887
3888     pkgRecords records(cache_);
3889
3890     lock_ = new FileFd();
3891     lock_->Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
3892
3893     NSString *title(UCLocalize("PREPARE_ARCHIVES"));
3894
3895     if ([self popErrorWithTitle:title])
3896         return false;
3897
3898     pkgSourceList list;
3899     if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3900         return false;
3901
3902     manager_ = (_system->CreatePM(cache_));
3903     if ([self popErrorWithTitle:title forOperation:manager_->GetArchives(fetcher_, &list, &records)])
3904         return false;
3905
3906     return true;
3907 }
3908
3909 - (void) perform {
3910     bool substrate(RestartSubstrate_);
3911     RestartSubstrate_ = false;
3912
3913     NSString *title(UCLocalize("PERFORM_SELECTIONS"));
3914
3915     NSMutableArray *before = [NSMutableArray arrayWithCapacity:16]; {
3916         pkgSourceList list;
3917         if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3918             return;
3919         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
3920             [before addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
3921     }
3922
3923     [delegate_ performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3924
3925     if (fetcher_->Run(PulseInterval_) != pkgAcquire::Continue) {
3926         _trace();
3927         [self popErrorWithTitle:title];
3928         return;
3929     }
3930
3931     bool failed = false;
3932     for (pkgAcquire::ItemIterator item = fetcher_->ItemsBegin(); item != fetcher_->ItemsEnd(); item++) {
3933         if ((*item)->Status == pkgAcquire::Item::StatDone && (*item)->Complete)
3934             continue;
3935         if ((*item)->Status == pkgAcquire::Item::StatIdle)
3936             continue;
3937
3938         failed = true;
3939     }
3940
3941     [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3942
3943     if (failed) {
3944         _trace();
3945         return;
3946     }
3947
3948     if (substrate)
3949         RestartSubstrate_ = true;
3950
3951     _system->UnLock();
3952     pkgPackageManager::OrderResult result = manager_->DoInstall(statusfd_);
3953
3954     if (_error->PendingError()) {
3955         _trace();
3956         return;
3957     }
3958
3959     if (result == pkgPackageManager::Failed) {
3960         _trace();
3961         return;
3962     }
3963
3964     if (result != pkgPackageManager::Completed) {
3965         _trace();
3966         return;
3967     }
3968
3969     NSMutableArray *after = [NSMutableArray arrayWithCapacity:16]; {
3970         pkgSourceList list;
3971         if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3972             return;
3973         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
3974             [after addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
3975     }
3976
3977     if (![before isEqualToArray:after])
3978         [self update];
3979 }
3980
3981 - (bool) upgrade {
3982     NSString *title(UCLocalize("UPGRADE"));
3983     if ([self popErrorWithTitle:title forOperation:pkgDistUpgrade(cache_)])
3984         return false;
3985     return true;
3986 }
3987
3988 - (void) update {
3989     [self updateWithStatus:status_];
3990 }
3991
3992 - (void) updateWithStatus:(Status &)status {
3993     NSString *title(UCLocalize("REFRESHING_DATA"));
3994
3995     pkgSourceList list;
3996     if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3997         return;
3998
3999     FileFd lock;
4000     lock.Fd(GetLock(_config->FindDir("Dir::State::Lists") + "lock"));
4001     if ([self popErrorWithTitle:title])
4002         return;
4003
4004     [delegate_ performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
4005
4006     bool success(ListUpdate(status, list, PulseInterval_));
4007     if (status.WasCancelled())
4008         _error->Discard();
4009     else
4010         [self popErrorWithTitle:title forOperation:success];
4011
4012     [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
4013
4014     [Metadata_ setObject:[NSDate date] forKey:@"LastUpdate"];
4015     Changed_ = true;
4016 }
4017
4018 - (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate {
4019     delegate_ = delegate;
4020 }
4021
4022 - (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate {
4023     progress_ = delegate;
4024     status_.setDelegate(delegate);
4025 }
4026
4027 - (NSObject<ProgressDelegate> *) progressDelegate {
4028     return progress_;
4029 }
4030
4031 - (Source *) getSource:(pkgCache::PkgFileIterator)file {
4032     SourceMap::const_iterator i(sourceMap_.find(file->ID));
4033     return i == sourceMap_.end() ? nil : i->second;
4034 }
4035
4036 - (NSString *) mappedSectionForPointer:(const char *)section {
4037     _H<NSString> *mapped;
4038
4039     _profile(Database$mappedSectionForPointer$Cache)
4040         mapped = &sections_[section];
4041     _end
4042
4043     if (*mapped == NULL) {
4044         size_t length(strlen(section));
4045         char spaced[length + 1];
4046
4047         _profile(Database$mappedSectionForPointer$Replace)
4048             for (size_t index(0); index != length; ++index)
4049                 spaced[index] = section[index] == '_' ? ' ' : section[index];
4050             spaced[length] = '\0';
4051         _end
4052
4053         NSString *string;
4054
4055         _profile(Database$mappedSectionForPointer$stringWithUTF8String)
4056             string = [NSString stringWithUTF8String:spaced];
4057         _end
4058
4059         _profile(Database$mappedSectionForPointer$Map)
4060             string = [SectionMap_ objectForKey:string] ?: string;
4061         _end
4062
4063         *mapped = string;
4064     } return *mapped;
4065 }
4066
4067 @end
4068 /* }}} */
4069
4070 static NSMutableSet *Diversions_;
4071
4072 @interface Diversion : NSObject {
4073     Pcre pattern_;
4074     _H<NSString> key_;
4075     _H<NSString> format_;
4076 }
4077
4078 @end
4079
4080 @implementation Diversion
4081
4082 - (id) initWithFrom:(NSString *)from to:(NSString *)to {
4083     if ((self = [super init]) != nil) {
4084         pattern_ = [from UTF8String];
4085         key_ = from;
4086         format_ = to;
4087     } return self;
4088 }
4089
4090 - (NSString *) divert:(NSString *)url {
4091     return !pattern_(url) ? nil : pattern_->*format_;
4092 }
4093
4094 + (NSURL *) divertURL:(NSURL *)url {
4095   divert:
4096     NSString *href([url absoluteString]);
4097
4098     for (Diversion *diversion in Diversions_)
4099         if (NSString *diverted = [diversion divert:href]) {
4100             url = [NSURL URLWithString:diverted];
4101             goto divert;
4102         }
4103
4104     return url;
4105 }
4106
4107 - (NSString *) key {
4108     return key_;
4109 }
4110
4111 - (NSUInteger) hash {
4112     return [key_ hash];
4113 }
4114
4115 - (BOOL) isEqual:(Diversion *)object {
4116     return self == object || [self class] == [object class] && [key_ isEqual:[object key]];
4117 }
4118
4119 @end
4120
4121 @interface CydiaObject : NSObject {
4122     id indirect_;
4123     _transient id delegate_;
4124 }
4125
4126 - (id) initWithDelegate:(IndirectDelegate *)indirect;
4127
4128 @end
4129
4130 @interface CYBrowserController : BrowserController {
4131     CydiaObject *cydia_;
4132 }
4133
4134 + (void) addDiversion:(Diversion *)diversion;
4135
4136 @end
4137
4138 /* Web Scripting {{{ */
4139 @implementation CydiaObject
4140
4141 - (void) dealloc {
4142     [indirect_ release];
4143     [super dealloc];
4144 }
4145
4146 - (id) initWithDelegate:(IndirectDelegate *)indirect {
4147     if ((self = [super init]) != nil) {
4148         indirect_ = [indirect retain];
4149     } return self;
4150 }
4151
4152 - (void) setDelegate:(id)delegate {
4153     delegate_ = delegate;
4154 }
4155
4156 + (NSArray *) _attributeKeys {
4157     return [NSArray arrayWithObjects:
4158         @"device",
4159         @"ecid",
4160         @"firmware",
4161         @"hostname",
4162         @"idiom",
4163         @"model",
4164         @"plmn",
4165         @"role",
4166         @"serial",
4167         @"token",
4168         @"version",
4169     nil];
4170 }
4171
4172 - (NSArray *) attributeKeys {
4173     return [[self class] _attributeKeys];
4174 }
4175
4176 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
4177     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
4178 }
4179
4180 - (NSString *) version {
4181     return @ Cydia_;
4182 }
4183
4184 - (NSString *) device {
4185     return [[UIDevice currentDevice] uniqueIdentifier];
4186 }
4187
4188 - (NSString *) firmware {
4189     return [[UIDevice currentDevice] systemVersion];
4190 }
4191
4192 - (NSString *) hostname {
4193     return [[UIDevice currentDevice] name];
4194 }
4195
4196 - (NSString *) idiom {
4197     return (id) Idiom_ ?: [NSNull null];
4198 }
4199
4200 - (NSString *) plmn {
4201     return (id) PLMN_ ?: [NSNull null];
4202 }
4203
4204 - (NSString *) ecid {
4205     return (id) ChipID_ ?: [NSNull null];
4206 }
4207
4208 - (NSString *) serial {
4209     return SerialNumber_;
4210 }
4211
4212 - (NSString *) role {
4213     return (id) Role_ ?: [NSNull null];
4214 }
4215
4216 - (NSString *) model {
4217     return [NSString stringWithUTF8String:Machine_];
4218 }
4219
4220 - (NSString *) token {
4221     return (id) Token_ ?: [NSNull null];
4222 }
4223
4224 + (NSString *) webScriptNameForSelector:(SEL)selector {
4225     if (false);
4226     else if (selector == @selector(addBridgedHost:))
4227         return @"addBridgedHost";
4228     else if (selector == @selector(addPipelinedHost:scheme:))
4229         return @"addPipelinedHost";
4230     else if (selector == @selector(addTrivialSource:))
4231         return @"addTrivialSource";
4232     else if (selector == @selector(close))
4233         return @"close";
4234     else if (selector == @selector(divert::))
4235         return @"divert";
4236     else if (selector == @selector(du:))
4237         return @"du";
4238     else if (selector == @selector(stringWithFormat:arguments:))
4239         return @"format";
4240     else if (selector == @selector(getAllSources))
4241         return @"getAllSourcs";
4242     else if (selector == @selector(getKernelNumber:))
4243         return @"getKernelNumber";
4244     else if (selector == @selector(getKernelString:))
4245         return @"getKernelString";
4246     else if (selector == @selector(getInstalledPackages))
4247         return @"getInstalledPackages";
4248     else if (selector == @selector(getPackageById:))
4249         return @"getPackageById";
4250     else if (selector == @selector(getSessionValue:))
4251         return @"getSessionValue";
4252     else if (selector == @selector(installPackages:))
4253         return @"installPackages";
4254     else if (selector == @selector(localizedStringForKey:value:table:))
4255         return @"localize";
4256     else if (selector == @selector(popViewController:))
4257         return @"popViewController";
4258     else if (selector == @selector(refreshSources))
4259         return @"refreshSources";
4260     else if (selector == @selector(removeButton))
4261         return @"removeButton";
4262     else if (selector == @selector(setSessionValue::))
4263         return @"setSessionValue";
4264     else if (selector == @selector(substitutePackageNames:))
4265         return @"substitutePackageNames";
4266     else if (selector == @selector(scrollToBottom:))
4267         return @"scrollToBottom";
4268     else if (selector == @selector(setAllowsNavigationAction:))
4269         return @"setAllowsNavigationAction";
4270     else if (selector == @selector(setButtonImage:withStyle:toFunction:))
4271         return @"setButtonImage";
4272     else if (selector == @selector(setButtonTitle:withStyle:toFunction:))
4273         return @"setButtonTitle";
4274     else if (selector == @selector(setHidesBackButton:))
4275         return @"setHidesBackButton";
4276     else if (selector == @selector(setHidesNavigationBar:))
4277         return @"setHidesNavigationBar";
4278     else if (selector == @selector(setNavigationBarStyle:))
4279         return @"setNavigationBarStyle";
4280     else if (selector == @selector(setNavigationBarTintRed:green:blue:alpha:))
4281         return @"setNavigationBarTintColor";
4282     else if (selector == @selector(setPopupHook:))
4283         return @"setPopupHook";
4284     else if (selector == @selector(setToken:))
4285         return @"setToken";
4286     else if (selector == @selector(setViewportWidth:))
4287         return @"setViewportWidth";
4288     else if (selector == @selector(statfs:))
4289         return @"statfs";
4290     else if (selector == @selector(supports:))
4291         return @"supports";
4292     else
4293         return nil;
4294 }
4295
4296 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
4297     return [self webScriptNameForSelector:selector] == nil;
4298 }
4299
4300 - (BOOL) supports:(NSString *)feature {
4301     return [feature isEqualToString:@"window.open"];
4302 }
4303
4304 - (void) divert:(NSString *)from :(NSString *)to {
4305     [CYBrowserController performSelectorOnMainThread:@selector(addDiversion:) withObject:[[[Diversion alloc] initWithFrom:from to:to] autorelease] waitUntilDone:NO];
4306 }
4307
4308 - (NSNumber *) getKernelNumber:(NSString *)name {
4309     const char *string([name UTF8String]);
4310
4311     size_t size;
4312     if (sysctlbyname(string, NULL, &size, NULL, 0) == -1)
4313         return (id) [NSNull null];
4314
4315     if (size != sizeof(int))
4316         return (id) [NSNull null];
4317
4318     int value;
4319     if (sysctlbyname(string, &value, &size, NULL, 0) == -1)
4320         return (id) [NSNull null];
4321
4322     return [NSNumber numberWithInt:value];
4323 }
4324
4325 - (NSString *) getKernelString:(NSString *)name {
4326     const char *string([name UTF8String]);
4327
4328     size_t size;
4329     if (sysctlbyname(string, NULL, &size, NULL, 0) == -1)
4330         return (id) [NSNull null];
4331
4332     char value[size + 1];
4333     if (sysctlbyname(string, value, &size, NULL, 0) == -1)
4334         return (id) [NSNull null];
4335
4336     // XXX: just in case you request something ludicrous
4337     value[size] = '\0';
4338
4339     return [NSString stringWithCString:value];
4340 }
4341
4342 - (id) getSessionValue:(NSString *)key {
4343 @synchronized (SessionData_) {
4344     return [SessionData_ objectForKey:key];
4345 } }
4346
4347 - (void) setSessionValue:(NSString *)key :(NSString *)value {
4348 @synchronized (SessionData_) {
4349     if (value == (id) [WebUndefined undefined])
4350         [SessionData_ removeObjectForKey:key];
4351     else
4352         [SessionData_ setObject:value forKey:key];
4353 } }
4354
4355 - (void) addBridgedHost:(NSString *)host {
4356 @synchronized (HostConfig_) {
4357     [BridgedHosts_ addObject:host];
4358 } }
4359
4360 - (void) addPipelinedHost:(NSString *)host scheme:(NSString *)scheme {
4361 @synchronized (HostConfig_) {
4362     if (scheme != (id) [WebUndefined undefined])
4363         host = [NSString stringWithFormat:@"%@:%@", [scheme lowercaseString], host];
4364
4365     [PipelinedHosts_ addObject:host];
4366 } }
4367
4368 - (void) popViewController:(NSNumber *)value {
4369     if (value == (id) [WebUndefined undefined])
4370         value = [NSNumber numberWithBool:YES];
4371     [indirect_ performSelectorOnMainThread:@selector(popViewControllerWithNumber:) withObject:value waitUntilDone:NO];
4372 }
4373
4374 - (void) addTrivialSource:(NSString *)href {
4375     [delegate_ performSelectorOnMainThread:@selector(addTrivialSource:) withObject:href waitUntilDone:NO];
4376 }
4377
4378 - (void) refreshSources {
4379     [delegate_ performSelectorOnMainThread:@selector(syncData) withObject:nil waitUntilDone:NO];
4380 }
4381
4382 - (NSArray *) getAllSources {
4383     return [[Database sharedInstance] sources];
4384 }
4385
4386 - (NSArray *) getInstalledPackages {
4387     Database *database([Database sharedInstance]);
4388 @synchronized (database) {
4389     NSArray *packages([database packages]);
4390     NSMutableArray *installed([NSMutableArray arrayWithCapacity:1024]);
4391     for (Package *package in packages)
4392         if (![package uninstalled])
4393             [installed addObject:package];
4394     return installed;
4395 } }
4396
4397 - (Package *) getPackageById:(NSString *)id {
4398     if (Package *package = [[Database sharedInstance] packageWithName:id]) {
4399         [package parse];
4400         return package;
4401     } else
4402         return (Package *) [NSNull null];
4403 }
4404
4405 - (NSArray *) statfs:(NSString *)path {
4406     struct statfs stat;
4407
4408     if (path == nil || statfs([path UTF8String], &stat) == -1)
4409         return nil;
4410
4411     return [NSArray arrayWithObjects:
4412         [NSNumber numberWithUnsignedLong:stat.f_bsize],
4413         [NSNumber numberWithUnsignedLong:stat.f_blocks],
4414         [NSNumber numberWithUnsignedLong:stat.f_bfree],
4415     nil];
4416 }
4417
4418 - (NSNumber *) du:(NSString *)path {
4419     NSNumber *value(nil);
4420
4421     int fds[2];
4422     _assert(pipe(fds) != -1);
4423
4424     pid_t pid(ExecFork());
4425     if (pid == 0) {
4426         _assert(dup2(fds[1], 1) != -1);
4427         _assert(close(fds[0]) != -1);
4428         _assert(close(fds[1]) != -1);
4429         /* XXX: this should probably not use du */
4430         execl("/usr/libexec/cydia/du", "du", "-s", [path UTF8String], NULL);
4431         exit(1);
4432         _assert(false);
4433     }
4434
4435     _assert(close(fds[1]) != -1);
4436
4437     if (FILE *du = fdopen(fds[0], "r")) {
4438         char line[1024];
4439         while (fgets(line, sizeof(line), du) != NULL) {
4440             size_t length(strlen(line));
4441             while (length != 0 && line[length - 1] == '\n')
4442                 line[--length] = '\0';
4443             if (char *tab = strchr(line, '\t')) {
4444                 *tab = '\0';
4445                 value = [NSNumber numberWithUnsignedLong:strtoul(line, NULL, 0)];
4446             }
4447         }
4448
4449         fclose(du);
4450     } else _assert(close(fds[0]));
4451
4452     int status;
4453   wait:
4454     if (waitpid(pid, &status, 0) == -1)
4455         if (errno == EINTR)
4456             goto wait;
4457         else _assert(false);
4458
4459     return value;
4460 }
4461
4462 - (void) close {
4463     [indirect_ performSelectorOnMainThread:@selector(close) withObject:nil waitUntilDone:NO];
4464 }
4465
4466 - (void) installPackages:(NSArray *)packages {
4467     [delegate_ performSelectorOnMainThread:@selector(installPackages:) withObject:packages waitUntilDone:NO];
4468 }
4469
4470 - (NSString *) substitutePackageNames:(NSString *)message {
4471     NSMutableArray *words([[message componentsSeparatedByString:@" "] mutableCopy]);
4472     for (size_t i(0), e([words count]); i != e; ++i) {
4473         NSString *word([words objectAtIndex:i]);
4474         if (Package *package = [[Database sharedInstance] packageWithName:word])
4475             [words replaceObjectAtIndex:i withObject:[package name]];
4476     }
4477
4478     return [words componentsJoinedByString:@" "];
4479 }
4480
4481 - (void) removeButton {
4482     [indirect_ removeButton];
4483 }
4484
4485 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
4486     [indirect_ setButtonImage:button withStyle:style toFunction:function];
4487 }
4488
4489 - (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
4490     [indirect_ setButtonTitle:button withStyle:style toFunction:function];
4491 }
4492
4493 - (void) setAllowsNavigationAction:(NSString *)value {
4494     [indirect_ performSelectorOnMainThread:@selector(setAllowsNavigationActionByNumber:) withObject:value waitUntilDone:NO];
4495 }
4496
4497 - (void) setHidesBackButton:(NSString *)value {
4498     [indirect_ performSelectorOnMainThread:@selector(setHidesBackButtonByNumber:) withObject:value waitUntilDone:NO];
4499 }
4500
4501 - (void) setHidesNavigationBar:(NSString *)value {
4502     [indirect_ performSelectorOnMainThread:@selector(setHidesNavigationBarByNumber:) withObject:value waitUntilDone:NO];
4503 }
4504
4505 - (void) setNavigationBarStyle:(NSString *)value {
4506     [indirect_ performSelectorOnMainThread:@selector(setNavigationBarStyle:) withObject:value waitUntilDone:NO];
4507 }
4508
4509 - (void) setNavigationBarTintRed:(NSNumber *)red green:(NSNumber *)green blue:(NSNumber *)blue alpha:(NSNumber *)alpha {
4510     float opacity(alpha == (id) [WebUndefined undefined] ? 1 : [alpha floatValue]);
4511     UIColor *color([UIColor colorWithRed:[red floatValue] green:[green floatValue] blue:[blue floatValue] alpha:opacity]);
4512     [indirect_ performSelectorOnMainThread:@selector(setNavigationBarTintColor:) withObject:color waitUntilDone:NO];
4513 }
4514
4515 - (void) _setToken:(NSString *)token {
4516     Token_ = token;
4517
4518     if (token == nil)
4519         [Metadata_ removeObjectForKey:@"Token"];
4520     else
4521         [Metadata_ setObject:Token_ forKey:@"Token"];
4522
4523     Changed_ = true;
4524 }
4525
4526 - (void) setToken:(NSString *)token {
4527     [self performSelectorOnMainThread:@selector(_setToken:) withObject:token waitUntilDone:NO];
4528 }
4529
4530 - (void) setPopupHook:(id)function {
4531     [indirect_ setPopupHook:function];
4532 }
4533
4534 - (void) scrollToBottom:(NSNumber *)animated {
4535     [indirect_ performSelectorOnMainThread:@selector(scrollToBottomAnimated:) withObject:animated waitUntilDone:NO];
4536 }
4537
4538 - (void) setViewportWidth:(float)width {
4539     [indirect_ setViewportWidthOnMainThread:width];
4540 }
4541
4542 - (NSString *) stringWithFormat:(NSString *)format arguments:(WebScriptObject *)arguments {
4543     //NSLog(@"SWF:\"%@\" A:%@", format, [arguments description]);
4544     unsigned count([arguments count]);
4545     id values[count];
4546     for (unsigned i(0); i != count; ++i)
4547         values[i] = [arguments objectAtIndex:i];
4548     return [[[NSString alloc] initWithFormat:format arguments:reinterpret_cast<va_list>(values)] autorelease];
4549 }
4550
4551 - (NSString *) localizedStringForKey:(NSString *)key value:(NSString *)value table:(NSString *)table {
4552     if (reinterpret_cast<id>(value) == [WebUndefined undefined])
4553         value = nil;
4554     if (reinterpret_cast<id>(table) == [WebUndefined undefined])
4555         table = nil;
4556     return [[NSBundle mainBundle] localizedStringForKey:key value:value table:table];
4557 }
4558
4559 @end
4560 /* }}} */
4561
4562 /* @ Loading... Indicator {{{ */
4563 @interface CYLoadingIndicator : UIView {
4564     _H<UIActivityIndicatorView> spinner_;
4565     _H<UILabel> label_;
4566     _H<UIView> container_;
4567 }
4568
4569 @property (readonly, nonatomic) UILabel *label;
4570 @property (readonly, nonatomic) UIActivityIndicatorView *activityIndicatorView;
4571
4572 @end
4573
4574 @implementation CYLoadingIndicator
4575
4576 - (id) initWithFrame:(CGRect)frame {
4577     if ((self = [super initWithFrame:frame]) != nil) {
4578         container_ = [[[UIView alloc] init] autorelease];
4579         [container_ setAutoresizingMask:UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleBottomMargin];
4580
4581         spinner_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray] autorelease];
4582         [spinner_ startAnimating];
4583         [container_ addSubview:spinner_];
4584
4585         label_ = [[[UILabel alloc] init] autorelease];
4586         [label_ setFont:[UIFont boldSystemFontOfSize:15.0f]];
4587         [label_ setBackgroundColor:[UIColor clearColor]];
4588         [label_ setTextColor:[UIColor blackColor]];
4589         [label_ setShadowColor:[UIColor whiteColor]];
4590         [label_ setShadowOffset:CGSizeMake(0, 1)];
4591         [label_ setText:[NSString stringWithFormat:Elision_, UCLocalize("LOADING"), nil]];
4592         [container_ addSubview:label_];
4593
4594         CGSize viewsize = frame.size;
4595         CGSize spinnersize = [spinner_ bounds].size;
4596         CGSize textsize = [[label_ text] sizeWithFont:[label_ font]];
4597         float bothwidth = spinnersize.width + textsize.width + 5.0f;
4598
4599         CGRect containrect = {
4600             CGPointMake(floorf((viewsize.width / 2) - (bothwidth / 2)), floorf((viewsize.height / 2) - (spinnersize.height / 2))),
4601             CGSizeMake(bothwidth, spinnersize.height)
4602         };
4603         CGRect textrect = {
4604             CGPointMake(spinnersize.width + 5.0f, floorf((spinnersize.height / 2) - (textsize.height / 2))),
4605             textsize
4606         };
4607         CGRect spinrect = {
4608             CGPointZero,
4609             spinnersize
4610         };
4611
4612         [container_ setFrame:containrect];
4613         [spinner_ setFrame:spinrect];
4614         [label_ setFrame:textrect];
4615         [self addSubview:container_];
4616     } return self;
4617 }
4618
4619 - (UILabel *) label {
4620     return label_;
4621 }
4622
4623 - (UIActivityIndicatorView *) activityIndicatorView {
4624     return spinner_;
4625 }
4626
4627 @end
4628 /* }}} */
4629 /* Emulated Loading Controller {{{ */
4630 @interface CYEmulatedLoadingController : CYViewController {
4631     _transient Database *database_;
4632     _H<CYLoadingIndicator> indicator_;
4633     _H<UITabBar> tabbar_;
4634     _H<UINavigationBar> navbar_;
4635 }
4636
4637 @end
4638
4639 @implementation CYEmulatedLoadingController
4640
4641 - (id) initWithDatabase:(Database *)database {
4642     if ((self = [super init]) != nil) {
4643         database_ = database;
4644     } return self;
4645 }
4646
4647 - (void) loadView {
4648     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
4649
4650     UITableView *table([[[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped] autorelease]);
4651     [table setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
4652     [[self view] addSubview:table];
4653
4654     indicator_ = [[[CYLoadingIndicator alloc] initWithFrame:[[self view] bounds]] autorelease];
4655     [indicator_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
4656     [[self view] addSubview:indicator_];
4657
4658     tabbar_ = [[[UITabBar alloc] initWithFrame:CGRectMake(0, 0, 0, 49.0f)] autorelease];
4659     [tabbar_ setFrame:CGRectMake(0.0f, [[self view] bounds].size.height - [tabbar_ bounds].size.height, [[self view] bounds].size.width, [tabbar_ bounds].size.height)];
4660     [tabbar_ setAutoresizingMask:UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleWidth];
4661     [[self view] addSubview:tabbar_];
4662
4663     navbar_ = [[[UINavigationBar alloc] initWithFrame:CGRectMake(0, 0, 0, 44.0f)] autorelease];
4664     [navbar_ setFrame:CGRectMake(0.0f, 0.0f, [[self view] bounds].size.width, [navbar_ bounds].size.height)];
4665     [navbar_ setAutoresizingMask:UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleWidth];
4666     [[self view] addSubview:navbar_];
4667 }
4668
4669 - (void) releaseSubviews {
4670     indicator_ = nil;
4671     tabbar_ = nil;
4672     navbar_ = nil;
4673 }
4674
4675 @end
4676 /* }}} */
4677
4678 /* Cydia Browser Controller {{{ */
4679 @implementation CYBrowserController
4680
4681 - (void) dealloc {
4682     [cydia_ release];
4683     [super dealloc];
4684 }
4685
4686 - (NSURL *) navigationURL {
4687     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://url/%@", [[request_ URL] absoluteString]]];
4688 }
4689
4690 + (void) initialize {
4691     Diversions_ = [[NSMutableSet alloc] initWithCapacity:0];
4692 }
4693
4694 + (void) addDiversion:(Diversion *)diversion {
4695     [Diversions_ addObject:diversion];
4696 }
4697
4698 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4699     [super webView:view didClearWindowObject:window forFrame:frame];
4700
4701     WebDataSource *source([frame dataSource]);
4702     NSURLResponse *response([source response]);
4703     NSURL *url([response URL]);
4704     NSString *scheme([[url scheme] lowercaseString]);
4705
4706     bool bridged(false);
4707
4708     @synchronized (HostConfig_) {
4709         if ([scheme isEqualToString:@"file"])
4710             bridged = true;
4711         else if ([scheme isEqualToString:@"https"])
4712             if ([BridgedHosts_ containsObject:[url host]])
4713                 bridged = true;
4714     }
4715
4716     if (bridged)
4717         [window setValue:cydia_ forKey:@"cydia"];
4718 }
4719
4720 - (NSURLRequest *) webView:(WebView *)view resource:(id)resource willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
4721     NSMutableURLRequest *copy([[super webView:view resource:resource willSendRequest:request redirectResponse:response fromDataSource:source] mutableCopy]);
4722
4723     [copy setURL:[Diversion divertURL:[copy URL]]];
4724
4725     if (System_ != NULL)
4726         [copy setValue:System_ forHTTPHeaderField:@"X-System"];
4727     if (Machine_ != NULL)
4728         [copy setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
4729     if (Token_ != nil)
4730         [copy setValue:Token_ forHTTPHeaderField:@"X-Cydia-Token"];
4731
4732     return copy;
4733 }
4734
4735 - (void) setDelegate:(id)delegate {
4736     [super setDelegate:delegate];
4737     [cydia_ setDelegate:delegate];
4738 }
4739
4740 - (id) init {
4741     if ((self = [super initWithWidth:0 ofClass:[CYBrowserController class]]) != nil) {
4742         cydia_ = [[CydiaObject alloc] initWithDelegate:indirect_];
4743
4744         WebView *webview([[webview_ _documentView] webView]);
4745
4746         NSString *application([NSString stringWithFormat:@"Cydia/%@", @ Cydia_]);
4747
4748         if (Safari_ != nil)
4749             application = [NSString stringWithFormat:@"Safari/%@ %@", Safari_, application];
4750         if (Build_ != nil)
4751             application = [NSString stringWithFormat:@"Mobile/%@ %@", Build_, application];
4752         if (Product_ != nil)
4753             application = [NSString stringWithFormat:@"Version/%@ %@", Product_, application];
4754
4755         [webview setApplicationNameForUserAgent:application];
4756     } return self;
4757 }
4758
4759 @end
4760 /* }}} */
4761
4762 // CydiaScript {{{
4763 @interface NSObject (CydiaScript)
4764 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context;
4765 @end
4766
4767 @implementation NSObject (CydiaScript)
4768
4769 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4770     return self;
4771 }
4772
4773 @end
4774
4775 @implementation NSArray (CydiaScript)
4776
4777 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4778     WebScriptObject *object([context evaluateWebScript:@"[]"]);
4779     for (size_t i(0), e([self count]); i != e; ++i)
4780         [object setWebScriptValueAtIndex:i value:[[self objectAtIndex:i] Cydia$webScriptObjectInContext:context]];
4781     return object;
4782 }
4783
4784 @end
4785
4786 @implementation NSDictionary (CydiaScript)
4787
4788 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4789     WebScriptObject *object([context evaluateWebScript:@"({})"]);
4790     for (id i in self)
4791         [object setValue:[[self objectForKey:i] Cydia$webScriptObjectInContext:context] forKey:i];
4792     return object;
4793 }
4794
4795 @end
4796 // }}}
4797
4798 /* Confirmation Controller {{{ */
4799 bool DepSubstrate(const pkgCache::VerIterator &iterator) {
4800     if (!iterator.end())
4801         for (pkgCache::DepIterator dep(iterator.DependsList()); !dep.end(); ++dep) {
4802             if (dep->Type != pkgCache::Dep::Depends && dep->Type != pkgCache::Dep::PreDepends)
4803                 continue;
4804             pkgCache::PkgIterator package(dep.TargetPkg());
4805             if (package.end())
4806                 continue;
4807             if (strcmp(package.Name(), "mobilesubstrate") == 0)
4808                 return true;
4809         }
4810
4811     return false;
4812 }
4813
4814 @protocol ConfirmationControllerDelegate
4815 - (void) cancelAndClear:(bool)clear;
4816 - (void) confirmWithNavigationController:(UINavigationController *)navigation;
4817 - (void) queue;
4818 @end
4819
4820 @interface ConfirmationController : CYBrowserController {
4821     _transient Database *database_;
4822
4823     UIAlertView *essential_;
4824
4825     NSDictionary *changes_;
4826     NSMutableArray *issues_;
4827     NSDictionary *sizes_;
4828
4829     BOOL substrate_;
4830 }
4831
4832 - (id) initWithDatabase:(Database *)database;
4833
4834 @end
4835
4836 @implementation ConfirmationController
4837
4838 - (void) dealloc {
4839     [changes_ release];
4840     [issues_ release];
4841     [sizes_ release];
4842
4843     if (essential_ != nil)
4844         [essential_ release];
4845
4846     [super dealloc];
4847 }
4848
4849 - (void) complete {
4850     if (substrate_)
4851         RestartSubstrate_ = true;
4852     [delegate_ confirmWithNavigationController:[self navigationController]];
4853 }
4854
4855 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
4856     NSString *context([alert context]);
4857
4858     if ([context isEqualToString:@"remove"]) {
4859         if (button == [alert cancelButtonIndex])
4860             [self dismissModalViewControllerAnimated:YES];
4861         else if (button == [alert firstOtherButtonIndex]) {
4862             [self complete];
4863         }
4864
4865         [alert dismissWithClickedButtonIndex:-1 animated:YES];
4866     } else if ([context isEqualToString:@"unable"]) {
4867         [self dismissModalViewControllerAnimated:YES];
4868         [alert dismissWithClickedButtonIndex:-1 animated:YES];
4869     } else {
4870         [super alertView:alert clickedButtonAtIndex:button];
4871     }
4872 }
4873
4874 - (void) _doContinue {
4875     [self dismissModalViewControllerAnimated:YES];
4876     [delegate_ cancelAndClear:NO];
4877 }
4878
4879 - (id) invokeDefaultMethodWithArguments:(NSArray *)args {
4880     [self performSelectorOnMainThread:@selector(_doContinue) withObject:nil waitUntilDone:NO];
4881     return nil;
4882 }
4883
4884 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4885     [super webView:view didClearWindowObject:window forFrame:frame];
4886
4887     [window setValue:[[NSDictionary dictionaryWithObjectsAndKeys:
4888         changes_, @"changes",
4889         issues_, @"issues",
4890         sizes_, @"sizes",
4891         self, @"queue",
4892     nil] Cydia$webScriptObjectInContext:window] forKey:@"cydiaConfirm"];
4893 }
4894
4895 - (id) initWithDatabase:(Database *)database {
4896     if ((self = [super init]) != nil) {
4897         database_ = database;
4898
4899         NSMutableArray *installs([NSMutableArray arrayWithCapacity:16]);
4900         NSMutableArray *reinstalls([NSMutableArray arrayWithCapacity:16]);
4901         NSMutableArray *upgrades([NSMutableArray arrayWithCapacity:16]);
4902         NSMutableArray *downgrades([NSMutableArray arrayWithCapacity:16]);
4903         NSMutableArray *removes([NSMutableArray arrayWithCapacity:16]);
4904
4905         bool remove(false);
4906
4907         pkgCacheFile &cache([database_ cache]);
4908         NSArray *packages([database_ packages]);
4909         pkgDepCache::Policy *policy([database_ policy]);
4910
4911         issues_ = [[NSMutableArray arrayWithCapacity:4] retain];
4912
4913         for (Package *package in packages) {
4914             pkgCache::PkgIterator iterator([package iterator]);
4915             NSString *name([package id]);
4916
4917             if ([package broken]) {
4918                 NSMutableArray *reasons([NSMutableArray arrayWithCapacity:4]);
4919
4920                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4921                     name, @"package",
4922                     reasons, @"reasons",
4923                 nil]];
4924
4925                 pkgCache::VerIterator ver(cache[iterator].InstVerIter(cache));
4926                 if (ver.end())
4927                     continue;
4928
4929                 for (pkgCache::DepIterator dep(ver.DependsList()); !dep.end(); ) {
4930                     pkgCache::DepIterator start;
4931                     pkgCache::DepIterator end;
4932                     dep.GlobOr(start, end); // ++dep
4933
4934                     if (!cache->IsImportantDep(end))
4935                         continue;
4936                     if ((cache[end] & pkgDepCache::DepGInstall) != 0)
4937                         continue;
4938
4939                     NSMutableArray *clauses([NSMutableArray arrayWithCapacity:4]);
4940
4941                     [reasons addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4942                         [NSString stringWithUTF8String:start.DepType()], @"relationship",
4943                         clauses, @"clauses",
4944                     nil]];
4945
4946                     _forever {
4947                         NSString *reason, *installed((NSString *) [WebUndefined undefined]);
4948
4949                         pkgCache::PkgIterator target(start.TargetPkg());
4950                         if (target->ProvidesList != 0)
4951                             reason = @"missing";
4952                         else {
4953                             pkgCache::VerIterator ver(cache[target].InstVerIter(cache));
4954                             if (!ver.end()) {
4955                                 reason = @"installed";
4956                                 installed = [NSString stringWithUTF8String:ver.VerStr()];
4957                             } else if (!cache[target].CandidateVerIter(cache).end())
4958                                 reason = @"uninstalled";
4959                             else if (target->ProvidesList == 0)
4960                                 reason = @"uninstallable";
4961                             else
4962                                 reason = @"virtual";
4963                         }
4964
4965                         NSDictionary *version(start.TargetVer() == 0 ? [NSNull null] : [NSDictionary dictionaryWithObjectsAndKeys:
4966                             [NSString stringWithUTF8String:start.CompType()], @"operator",
4967                             [NSString stringWithUTF8String:start.TargetVer()], @"value",
4968                         nil]);
4969
4970                         [clauses addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4971                             [NSString stringWithUTF8String:start.TargetPkg().Name()], @"package",
4972                             version, @"version",
4973                             reason, @"reason",
4974                             installed, @"installed",
4975                         nil]];
4976
4977                         // yes, seriously. (wtf?)
4978                         if (start == end)
4979                             break;
4980                         ++start;
4981                     }
4982                 }
4983             }
4984
4985             pkgDepCache::StateCache &state(cache[iterator]);
4986
4987             static Pcre special_r("^(firmware$|gsc\\.|cy\\+)");
4988
4989             if (state.NewInstall())
4990                 [installs addObject:name];
4991             else if (!state.Delete() && (state.iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall)
4992                 [reinstalls addObject:name];
4993             else if (state.Upgrade())
4994                 [upgrades addObject:name];
4995             else if (state.Downgrade())
4996                 [downgrades addObject:name];
4997             else if (!state.Delete())
4998                 continue;
4999             else if (special_r(name))
5000                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
5001                     [NSNull null], @"package",
5002                     [NSArray arrayWithObjects:
5003                         [NSDictionary dictionaryWithObjectsAndKeys:
5004                             @"Conflicts", @"relationship",
5005                             [NSArray arrayWithObjects:
5006                                 [NSDictionary dictionaryWithObjectsAndKeys:
5007                                     name, @"package",
5008                                     [NSNull null], @"version",
5009                                     @"installed", @"reason",
5010                                 nil],
5011                             nil], @"clauses",
5012                         nil],
5013                     nil], @"reasons",
5014                 nil]];
5015             else {
5016                 if ([package essential])
5017                     remove = true;
5018                 [removes addObject:name];
5019             }
5020
5021             substrate_ |= DepSubstrate(policy->GetCandidateVer(iterator));
5022             substrate_ |= DepSubstrate(iterator.CurrentVer());
5023         }
5024
5025         if (!remove)
5026             essential_ = nil;
5027         else if (Advanced_) {
5028             NSString *parenthetical(UCLocalize("PARENTHETICAL"));
5029
5030             essential_ = [[UIAlertView alloc]
5031                 initWithTitle:UCLocalize("REMOVING_ESSENTIALS")
5032                 message:UCLocalize("REMOVING_ESSENTIALS_EX")
5033                 delegate:self
5034                 cancelButtonTitle:[NSString stringWithFormat:parenthetical, UCLocalize("CANCEL_OPERATION"), UCLocalize("SAFE")]
5035                 otherButtonTitles:
5036                     [NSString stringWithFormat:parenthetical, UCLocalize("FORCE_REMOVAL"), UCLocalize("UNSAFE")],
5037                 nil
5038             ];
5039
5040             [essential_ setContext:@"remove"];
5041         } else {
5042             essential_ = [[UIAlertView alloc]
5043                 initWithTitle:UCLocalize("UNABLE_TO_COMPLY")
5044                 message:UCLocalize("UNABLE_TO_COMPLY_EX")
5045                 delegate:self
5046                 cancelButtonTitle:UCLocalize("OKAY")
5047                 otherButtonTitles:nil
5048             ];
5049
5050             [essential_ setContext:@"unable"];
5051         }
5052
5053         changes_ = [[NSDictionary alloc] initWithObjectsAndKeys:
5054             installs, @"installs",
5055             reinstalls, @"reinstalls",
5056             upgrades, @"upgrades",
5057             downgrades, @"downgrades",
5058             removes, @"removes",
5059         nil];
5060
5061         sizes_ = [[NSDictionary alloc] initWithObjectsAndKeys:
5062             [NSNumber numberWithInteger:[database_ fetcher].FetchNeeded()], @"downloading",
5063             [NSNumber numberWithInteger:[database_ fetcher].PartialPresent()], @"resuming",
5064         nil];
5065
5066         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/confirm/", UI_]]];
5067
5068         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
5069             initWithTitle:UCLocalize("CANCEL")
5070             style:UIBarButtonItemStylePlain
5071             target:self
5072             action:@selector(cancelButtonClicked)
5073         ] autorelease]];
5074     } return self;
5075 }
5076
5077 #if !AlwaysReload
5078 - (void) applyRightButton {
5079     if ([issues_ count] == 0 && ![self isLoading])
5080         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
5081             initWithTitle:UCLocalize("CONFIRM")
5082             style:UIBarButtonItemStyleDone
5083             target:self
5084             action:@selector(confirmButtonClicked)
5085         ] autorelease]];
5086     else
5087         [[self navigationItem] setRightBarButtonItem:nil];
5088 }
5089 #endif
5090
5091 - (void) cancelButtonClicked {
5092     [self dismissModalViewControllerAnimated:YES];
5093     [delegate_ cancelAndClear:YES];
5094 }
5095
5096 #if !AlwaysReload
5097 - (void) confirmButtonClicked {
5098     if (essential_ != nil)
5099         [essential_ show];
5100     else
5101         [self complete];
5102 }
5103 #endif
5104
5105 @end
5106 /* }}} */
5107
5108 /* Progress Data {{{ */
5109 @interface CydiaProgressData : NSObject {
5110     _transient id delegate_;
5111
5112     bool running_;
5113     float percent_;
5114
5115     float current_;
5116     float total_;
5117     float speed_;
5118
5119     _H<NSMutableArray> events_;
5120     _H<NSString> title_;
5121
5122     _H<NSString> status_;
5123     _H<NSString> finish_;
5124 }
5125
5126 @end
5127
5128 @implementation CydiaProgressData
5129
5130 + (NSArray *) _attributeKeys {
5131     return [NSArray arrayWithObjects:
5132         @"current",
5133         @"events",
5134         @"finish",
5135         @"percent",
5136         @"running",
5137         @"speed",
5138         @"title",
5139         @"total",
5140     nil];
5141 }
5142
5143 - (NSArray *) attributeKeys {
5144     return [[self class] _attributeKeys];
5145 }
5146
5147 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
5148     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
5149 }
5150
5151 - (id) init {
5152     if ((self = [super init]) != nil) {
5153         events_ = [NSMutableArray arrayWithCapacity:32];
5154     } return self;
5155 }
5156
5157 - (void) setDelegate:(id)delegate {
5158     delegate_ = delegate;
5159 }
5160
5161 - (void) setPercent:(float)value {
5162     percent_ = value;
5163 }
5164
5165 - (NSNumber *) percent {
5166     return [NSNumber numberWithFloat:percent_];
5167 }
5168
5169 - (void) setCurrent:(float)value {
5170     current_ = value;
5171 }
5172
5173 - (NSNumber *) current {
5174     return [NSNumber numberWithFloat:current_];
5175 }
5176
5177 - (void) setTotal:(float)value {
5178     total_ = value;
5179 }
5180
5181 - (NSNumber *) total {
5182     return [NSNumber numberWithFloat:total_];
5183 }
5184
5185 - (void) setSpeed:(float)value {
5186     speed_ = value;
5187 }
5188
5189 - (NSNumber *) speed {
5190     return [NSNumber numberWithFloat:speed_];
5191 }
5192
5193 - (NSArray *) events {
5194     return events_;
5195 }
5196
5197 - (void) removeAllEvents {
5198     [events_ removeAllObjects];
5199 }
5200
5201 - (void) addEvent:(CydiaProgressEvent *)event {
5202     [events_ addObject:event];
5203 }
5204
5205 - (void) setTitle:(NSString *)text {
5206     title_ = text;
5207 }
5208
5209 - (NSString *) title {
5210     return title_;
5211 }
5212
5213 - (void) setFinish:(NSString *)text {
5214     finish_ = text;
5215 }
5216
5217 - (NSString *) finish {
5218     return (id) finish_ ?: [NSNull null];
5219 }
5220
5221 - (void) setRunning:(bool)running {
5222     running_ = running;
5223 }
5224
5225 - (NSNumber *) running {
5226     return running_ ? (NSNumber *) kCFBooleanTrue : (NSNumber *) kCFBooleanFalse;
5227 }
5228
5229 @end
5230 /* }}} */
5231 /* Progress Controller {{{ */
5232 @interface ProgressController : CYBrowserController <
5233     ProgressDelegate
5234 > {
5235     _transient Database *database_;
5236     _H<CydiaProgressData> progress_;
5237     unsigned cancel_;
5238 }
5239
5240 - (id) initWithDatabase:(Database *)database delegate:(id)delegate;
5241
5242 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title;
5243
5244 - (void) setTitle:(NSString *)title;
5245 - (void) setCancellable:(bool)cancellable;
5246
5247 @end
5248
5249 @implementation ProgressController
5250
5251 - (void) dealloc {
5252     [database_ setProgressDelegate:nil];
5253     [progress_ setDelegate:nil];
5254     [super dealloc];
5255 }
5256
5257 - (void) updateCancel {
5258     [[self navigationItem] setLeftBarButtonItem:(cancel_ == 1 ? [[[UIBarButtonItem alloc]
5259         initWithTitle:UCLocalize("CANCEL")
5260         style:UIBarButtonItemStylePlain
5261         target:self
5262         action:@selector(cancel)
5263     ] autorelease] : nil)];
5264 }
5265
5266 - (id) initWithDatabase:(Database *)database delegate:(id)delegate {
5267     if ((self = [super init]) != nil) {
5268         database_ = database;
5269         delegate_ = delegate;
5270
5271         [database_ setProgressDelegate:self];
5272
5273         progress_ = [[[CydiaProgressData alloc] init] autorelease];
5274         [progress_ setDelegate:self];
5275
5276         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/progress/", UI_]]];
5277
5278         [scroller_ setBackgroundColor:[UIColor blackColor]];
5279
5280         [[self navigationItem] setHidesBackButton:YES];
5281
5282         [self updateCancel];
5283     } return self;
5284 }
5285
5286 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
5287     [super webView:view didClearWindowObject:window forFrame:frame];
5288     [window setValue:progress_ forKey:@"cydiaProgress"];
5289 }
5290
5291 - (void) updateProgress {
5292     [self dispatchEvent:@"CydiaProgressUpdate"];
5293 }
5294
5295 - (void) viewWillAppear:(BOOL)animated {
5296     [[[self navigationController] navigationBar] setBarStyle:UIBarStyleBlack];
5297     [super viewWillAppear:animated];
5298 }
5299
5300 - (void) close {
5301     UpdateExternalStatus(0);
5302
5303     switch (Finish_) {
5304         case 0:
5305         break;
5306
5307         case 1:
5308             [delegate_ terminateWithSuccess];
5309             /*if ([delegate_ respondsToSelector:@selector(suspendWithAnimation:)])
5310                 [delegate_ suspendWithAnimation:YES];
5311             else
5312                 [delegate_ suspend];*/
5313         break;
5314
5315         case 2:
5316             _trace();
5317             goto reload;
5318
5319         case 3:
5320             _trace();
5321             goto reload;
5322
5323         reload:
5324             system("/usr/bin/sbreload");
5325             _trace();
5326         break;
5327
5328         case 4:
5329             _trace();
5330             if (void (*SBReboot)(mach_port_t) = reinterpret_cast<void (*)(mach_port_t)>(dlsym(RTLD_DEFAULT, "SBReboot")))
5331                 SBReboot(SBSSpringBoardServerPort());
5332             else
5333                 reboot2(RB_AUTOBOOT);
5334         break;
5335     }
5336
5337     [super close];
5338 }
5339
5340 - (void) setTitle:(NSString *)title {
5341     [progress_ setTitle:title];
5342     [self updateProgress];
5343 }
5344
5345 - (UIBarButtonItem *) rightButton {
5346     return [[progress_ running] boolValue] ? nil : [[[UIBarButtonItem alloc]
5347         initWithTitle:UCLocalize("CLOSE")
5348         style:UIBarButtonItemStylePlain
5349         target:self
5350         action:@selector(close)
5351     ] autorelease];
5352 }
5353
5354 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title {
5355     UpdateExternalStatus(1);
5356
5357     [progress_ setRunning:true];
5358     [self setTitle:title];
5359     // implicit updateProgress
5360
5361     SHA1SumValue notifyconf; {
5362         FileFd file;
5363         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
5364             _error->Discard();
5365         else {
5366             MMap mmap(file, MMap::ReadOnly);
5367             SHA1Summation sha1;
5368             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5369             notifyconf = sha1.Result();
5370         }
5371     }
5372
5373     SHA1SumValue springlist; {
5374         FileFd file;
5375         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
5376             _error->Discard();
5377         else {
5378             MMap mmap(file, MMap::ReadOnly);
5379             SHA1Summation sha1;
5380             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5381             springlist = sha1.Result();
5382         }
5383     }
5384
5385     if (invocation != nil) {
5386         [invocation yieldToSelector:@selector(invoke)];
5387         [self setTitle:@"COMPLETE"];
5388     }
5389
5390     if (Finish_ < 4) {
5391         FileFd file;
5392         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
5393             _error->Discard();
5394         else {
5395             MMap mmap(file, MMap::ReadOnly);
5396             SHA1Summation sha1;
5397             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5398             if (!(notifyconf == sha1.Result()))
5399                 Finish_ = 4;
5400         }
5401     }
5402
5403     if (Finish_ < 3) {
5404         FileFd file;
5405         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
5406             _error->Discard();
5407         else {
5408             MMap mmap(file, MMap::ReadOnly);
5409             SHA1Summation sha1;
5410             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5411             if (!(springlist == sha1.Result()))
5412                 Finish_ = 3;
5413         }
5414     }
5415
5416     if (Finish_ < 2) {
5417         if (RestartSubstrate_)
5418             Finish_ = 2;
5419     }
5420
5421     RestartSubstrate_ = false;
5422
5423     switch (Finish_) {
5424         case 0: [progress_ setFinish:UCLocalize("RETURN_TO_CYDIA")]; break; /* XXX: Maybe UCLocalize("DONE")? */
5425         case 1: [progress_ setFinish:UCLocalize("CLOSE_CYDIA")]; break;
5426         case 2: [progress_ setFinish:UCLocalize("RESTART_SPRINGBOARD")]; break;
5427         case 3: [progress_ setFinish:UCLocalize("RELOAD_SPRINGBOARD")]; break;
5428         case 4: [progress_ setFinish:UCLocalize("REBOOT_DEVICE")]; break;
5429     }
5430
5431     _trace();
5432     system("su -c /usr/bin/uicache mobile");
5433     _trace();
5434
5435     UpdateExternalStatus(Finish_ == 0 ? 0 : 2);
5436
5437     [progress_ setRunning:false];
5438     [self updateProgress];
5439
5440     [self applyRightButton];
5441 }
5442
5443 - (void) addProgressEvent:(CydiaProgressEvent *)event {
5444     [progress_ addEvent:event];
5445     [self updateProgress];
5446 }
5447
5448 - (bool) isProgressCancelled {
5449     return cancel_ == 2;
5450 }
5451
5452 - (void) cancel {
5453     cancel_ = 2;
5454     [self updateCancel];
5455 }
5456
5457 - (void) setCancellable:(bool)cancellable {
5458     unsigned cancel(cancel_);
5459
5460     if (!cancellable)
5461         cancel_ = 0;
5462     else if (cancel_ == 0)
5463         cancel_ = 1;
5464
5465     if (cancel != cancel_)
5466         [self updateCancel];
5467 }
5468
5469 - (void) setProgressCancellable:(NSNumber *)cancellable {
5470     [self setCancellable:[cancellable boolValue]];
5471 }
5472
5473 - (void) setProgressPercent:(NSNumber *)percent {
5474     [progress_ setPercent:[percent floatValue]];
5475     [self updateProgress];
5476 }
5477
5478 - (void) setProgressStatus:(NSDictionary *)status {
5479     if (status == nil) {
5480         [progress_ setCurrent:0];
5481         [progress_ setTotal:0];
5482         [progress_ setSpeed:0];
5483     } else {
5484         [progress_ setPercent:[[status objectForKey:@"Percent"] floatValue]];
5485
5486         [progress_ setCurrent:[[status objectForKey:@"Current"] floatValue]];
5487         [progress_ setTotal:[[status objectForKey:@"Total"] floatValue]];
5488         [progress_ setSpeed:[[status objectForKey:@"Speed"] floatValue]];
5489     }
5490
5491     [self updateProgress];
5492 }
5493
5494 @end
5495 /* }}} */
5496
5497 /* Cell Content View {{{ */
5498 @protocol ContentDelegate
5499 - (void) drawContentRect:(CGRect)rect;
5500 @end
5501
5502 @interface ContentView : UIView {
5503     _transient id<ContentDelegate> delegate_;
5504 }
5505
5506 @end
5507
5508 @implementation ContentView
5509
5510 - (id) initWithFrame:(CGRect)frame {
5511     if ((self = [super initWithFrame:frame]) != nil) {
5512         [self setNeedsDisplayOnBoundsChange:YES];
5513     } return self;
5514 }
5515
5516 - (void) setDelegate:(id<ContentDelegate>)delegate {
5517     delegate_ = delegate;
5518 }
5519
5520 - (void) drawRect:(CGRect)rect {
5521     [super drawRect:rect];
5522     [delegate_ drawContentRect:rect];
5523 }
5524
5525 @end
5526 /* }}} */
5527 /* Cydia TableView Cell {{{ */
5528 @interface CYTableViewCell : UITableViewCell {
5529     ContentView *content_;
5530     bool highlighted_;
5531 }
5532
5533 @end
5534
5535 @implementation CYTableViewCell
5536
5537 - (void) dealloc {
5538     [content_ release];
5539     [super dealloc];
5540 }
5541
5542 - (void) _updateHighlightColorsForView:(id)view highlighted:(BOOL)highlighted {
5543     //NSLog(@"_updateHighlightColorsForView:%@ highlighted:%s [content_=%@]", view, highlighted ? "YES" : "NO", content_);
5544
5545     if (view == content_) {
5546         //NSLog(@"_updateHighlightColorsForView:content_ highlighted:%s", highlighted ? "YES" : "NO", content_);
5547         highlighted_ = highlighted;
5548     }
5549
5550     [super _updateHighlightColorsForView:view highlighted:highlighted];
5551 }
5552
5553 - (void) setSelected:(BOOL)selected animated:(BOOL)animated {
5554     //NSLog(@"setSelected:%s animated:%s", selected ? "YES" : "NO", animated ? "YES" : "NO");
5555     highlighted_ = selected;
5556
5557     [super setSelected:selected animated:animated];
5558     [content_ setNeedsDisplay];
5559 }
5560
5561 @end
5562 /* }}} */
5563
5564 /* Package Cell {{{ */
5565 @interface PackageCell : CYTableViewCell <
5566     ContentDelegate
5567 > {
5568     UIImage *icon_;
5569     NSString *name_;
5570     NSString *description_;
5571     bool commercial_;
5572     NSString *source_;
5573     UIImage *badge_;
5574     Package *package_;
5575     UIImage *placard_;
5576 }
5577
5578 - (PackageCell *) init;
5579 - (void) setPackage:(Package *)package;
5580
5581 - (void) drawContentRect:(CGRect)rect;
5582
5583 @end
5584
5585 @implementation PackageCell
5586
5587 - (void) clearPackage {
5588     if (icon_ != nil) {
5589         [icon_ release];
5590         icon_ = nil;
5591     }
5592
5593     if (name_ != nil) {
5594         [name_ release];
5595         name_ = nil;
5596     }
5597
5598     if (description_ != nil) {
5599         [description_ release];
5600         description_ = nil;
5601     }
5602
5603     if (source_ != nil) {
5604         [source_ release];
5605         source_ = nil;
5606     }
5607
5608     if (badge_ != nil) {
5609         [badge_ release];
5610         badge_ = nil;
5611     }
5612
5613     if (placard_ != nil) {
5614         [placard_ release];
5615         placard_ = nil;
5616     }
5617
5618     [package_ release];
5619     package_ = nil;
5620 }
5621
5622 - (void) dealloc {
5623     [self clearPackage];
5624     [super dealloc];
5625 }
5626
5627 - (PackageCell *) init {
5628     CGRect frame(CGRectMake(0, 0, 320, 74));
5629     if ((self = [super initWithFrame:frame reuseIdentifier:@"Package"]) != nil) {
5630         UIView *content([self contentView]);
5631         CGRect bounds([content bounds]);
5632
5633         content_ = [[ContentView alloc] initWithFrame:bounds];
5634         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5635         [content addSubview:content_];
5636
5637         [content_ setDelegate:self];
5638         [content_ setOpaque:YES];
5639     } return self;
5640 }
5641
5642 - (NSString *) accessibilityLabel {
5643     return [NSString stringWithFormat:UCLocalize("COLON_DELIMITED"), name_, description_];
5644 }
5645
5646 - (void) setPackage:(Package *)package {
5647     [self clearPackage];
5648     [package parse];
5649
5650     Source *source = [package source];
5651
5652     icon_ = [[package icon] retain];
5653     name_ = [[package name] retain];
5654
5655     if (IsWildcat_)
5656         description_ = [package longDescription];
5657     if (description_ == nil)
5658         description_ = [package shortDescription];
5659     if (description_ != nil)
5660         description_ = [description_ retain];
5661
5662     commercial_ = [package isCommercial];
5663
5664     package_ = [package retain];
5665
5666     NSString *label = nil;
5667     bool trusted = false;
5668
5669     if (source != nil) {
5670         label = [source label];
5671         trusted = [source trusted];
5672     } else if ([[package id] isEqualToString:@"firmware"])
5673         label = UCLocalize("APPLE");
5674     else
5675         label = [NSString stringWithFormat:UCLocalize("SLASH_DELIMITED"), UCLocalize("UNKNOWN"), UCLocalize("LOCAL")];
5676
5677     NSString *from(label);
5678
5679     NSString *section = [package simpleSection];
5680     if (section != nil && ![section isEqualToString:label]) {
5681         section = [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
5682         from = [NSString stringWithFormat:UCLocalize("PARENTHETICAL"), from, section];
5683     }
5684
5685     from = [NSString stringWithFormat:UCLocalize("FROM"), from];
5686     source_ = [from retain];
5687
5688     if (NSString *purpose = [package primaryPurpose])
5689         if ((badge_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Purposes/%@.png", App_, purpose]]) != nil)
5690             badge_ = [badge_ retain];
5691
5692     UIColor *color;
5693     NSString *placard;
5694
5695     if (NSString *mode = [package_ mode]) {
5696         if ([mode isEqualToString:@"REMOVE"] || [mode isEqualToString:@"PURGE"]) {
5697             color = RemovingColor_;
5698             //placard = @"removing";
5699         } else {
5700             color = InstallingColor_;
5701             //placard = @"installing";
5702         }
5703
5704         // XXX: the removing/installing placards are not @2x
5705         placard = nil;
5706     } else {
5707         color = [UIColor whiteColor];
5708
5709         if ([package installed] != nil)
5710             placard = @"installed";
5711         else
5712             placard = nil;
5713     }
5714
5715     [content_ setBackgroundColor:color];
5716
5717     if (placard != nil)
5718         if ((placard_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/%@.png", App_, placard]]) != nil)
5719             placard_ = [placard_ retain];
5720
5721     [self setNeedsDisplay];
5722     [content_ setNeedsDisplay];
5723 }
5724
5725 - (void) drawContentRect:(CGRect)rect {
5726     bool highlighted(highlighted_);
5727     float width([self bounds].size.width);
5728
5729 #if 0
5730     CGContextRef context(UIGraphicsGetCurrentContext());
5731     [([[self selectedBackgroundView] superview] != nil ? [UIColor clearColor] : [self backgroundColor]) set];
5732     CGContextFillRect(context, rect);
5733 #endif
5734
5735     if (icon_ != nil) {
5736         CGRect rect;
5737         rect.size = [icon_ size];
5738
5739         rect.size.width /= 2;
5740         rect.size.height /= 2;
5741
5742         rect.origin.x = 25 - rect.size.width / 2;
5743         rect.origin.y = 25 - rect.size.height / 2;
5744
5745         [icon_ drawInRect:rect];
5746     }
5747
5748     if (badge_ != nil) {
5749         CGRect rect;
5750         rect.size = [badge_ size];
5751
5752         rect.size.width /= 2;
5753         rect.size.height /= 2;
5754
5755         rect.origin.x = 36 - rect.size.width / 2;
5756         rect.origin.y = 36 - rect.size.height / 2;
5757
5758         [badge_ drawInRect:rect];
5759     }
5760
5761     if (highlighted)
5762         UISetColor(White_);
5763
5764     if (!highlighted)
5765         UISetColor(commercial_ ? Purple_ : Black_);
5766     [name_ drawAtPoint:CGPointMake(48, 8) forWidth:(width - (placard_ == nil ? 80 : 106)) withFont:Font18Bold_ lineBreakMode:UILineBreakModeTailTruncation];
5767     [source_ drawAtPoint:CGPointMake(58, 29) forWidth:(width - 95) withFont:Font12_ lineBreakMode:UILineBreakModeTailTruncation];
5768
5769     if (!highlighted)
5770         UISetColor(commercial_ ? Purplish_ : Gray_);
5771     [description_ drawAtPoint:CGPointMake(12, 46) forWidth:(width - 46) withFont:Font14_ lineBreakMode:UILineBreakModeTailTruncation];
5772
5773     if (placard_ != nil)
5774         [placard_ drawAtPoint:CGPointMake(width - 52, 9)];
5775 }
5776
5777 @end
5778 /* }}} */
5779 /* Section Cell {{{ */
5780 @interface SectionCell : CYTableViewCell <
5781     ContentDelegate
5782 > {
5783     NSString *basic_;
5784     NSString *section_;
5785     NSString *name_;
5786     NSString *count_;
5787     UIImage *icon_;
5788     UISwitch *switch_;
5789     BOOL editing_;
5790 }
5791
5792 - (void) setSection:(Section *)section editing:(BOOL)editing;
5793
5794 @end
5795
5796 @implementation SectionCell
5797
5798 - (void) clearSection {
5799     if (basic_ != nil) {
5800         [basic_ release];
5801         basic_ = nil;
5802     }
5803
5804     if (section_ != nil) {
5805         [section_ release];
5806         section_ = nil;
5807     }
5808
5809     if (name_ != nil) {
5810         [name_ release];
5811         name_ = nil;
5812     }
5813
5814     if (count_ != nil) {
5815         [count_ release];
5816         count_ = nil;
5817     }
5818 }
5819
5820 - (void) dealloc {
5821     [self clearSection];
5822     [icon_ release];
5823     [switch_ release];
5824     [super dealloc];
5825 }
5826
5827 - (id) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
5828     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
5829         icon_ = [[UIImage applicationImageNamed:@"folder.png"] retain];
5830         switch_ = [[UISwitch alloc] initWithFrame:CGRectMake(218, 9, 60, 25)];
5831         [switch_ addTarget:self action:@selector(onSwitch:) forEvents:UIControlEventValueChanged];
5832
5833         UIView *content([self contentView]);
5834         CGRect bounds([content bounds]);
5835
5836         content_ = [[ContentView alloc] initWithFrame:bounds];
5837         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5838         [content addSubview:content_];
5839         [content_ setBackgroundColor:[UIColor whiteColor]];
5840
5841         [content_ setDelegate:self];
5842     } return self;
5843 }
5844
5845 - (void) onSwitch:(id)sender {
5846     NSMutableDictionary *metadata([Sections_ objectForKey:basic_]);
5847     if (metadata == nil) {
5848         metadata = [NSMutableDictionary dictionaryWithCapacity:2];
5849         [Sections_ setObject:metadata forKey:basic_];
5850     }
5851
5852     [metadata setObject:[NSNumber numberWithBool:([switch_ isOn] == NO)] forKey:@"Hidden"];
5853     Changed_ = true;
5854 }
5855
5856 - (void) setSection:(Section *)section editing:(BOOL)editing {
5857     if (editing != editing_) {
5858         if (editing_)
5859             [switch_ removeFromSuperview];
5860         else
5861             [self addSubview:switch_];
5862         editing_ = editing;
5863     }
5864
5865     [self clearSection];
5866
5867     if (section == nil) {
5868         name_ = [UCLocalize("ALL_PACKAGES") retain];
5869         count_ = nil;
5870     } else {
5871         basic_ = [section name];
5872         if (basic_ != nil)
5873             basic_ = [basic_ retain];
5874
5875         section_ = [section localized];
5876         if (section_ != nil)
5877             section_ = [section_ retain];
5878
5879         name_  = [(section_ == nil || [section_ length] == 0 ? UCLocalize("NO_SECTION") : section_) retain];
5880         count_ = [[NSString stringWithFormat:@"%d", [section count]] retain];
5881
5882         if (editing_)
5883             [switch_ setOn:(isSectionVisible(basic_) ? 1 : 0) animated:NO];
5884     }
5885
5886     [self setAccessoryType:editing ? UITableViewCellAccessoryNone : UITableViewCellAccessoryDisclosureIndicator];
5887     [self setSelectionStyle:editing ? UITableViewCellSelectionStyleNone : UITableViewCellSelectionStyleBlue];
5888
5889     [content_ setNeedsDisplay];
5890 }
5891
5892 - (void) setFrame:(CGRect)frame {
5893     [super setFrame:frame];
5894
5895     CGRect rect([switch_ frame]);
5896     [switch_ setFrame:CGRectMake(frame.size.width - 102, 9, rect.size.width, rect.size.height)];
5897 }
5898
5899 - (NSString *) accessibilityLabel {
5900     return name_;
5901 }
5902
5903 - (void) drawContentRect:(CGRect)rect {
5904     bool highlighted(highlighted_ && !editing_);
5905
5906     [icon_ drawInRect:CGRectMake(8, 7, 32, 32)];
5907
5908     if (highlighted)
5909         UISetColor(White_);
5910
5911     float width(rect.size.width);
5912     if (editing_)
5913         width -= 87;
5914
5915     if (!highlighted)
5916         UISetColor(Black_);
5917     [name_ drawAtPoint:CGPointMake(48, 9) forWidth:(width - 70) withFont:Font22Bold_ lineBreakMode:UILineBreakModeTailTruncation];
5918
5919     CGSize size = [count_ sizeWithFont:Font14_];
5920
5921     UISetColor(White_);
5922     if (count_ != nil)
5923         [count_ drawAtPoint:CGPointMake(13 + (29 - size.width) / 2, 16) withFont:Font12Bold_];
5924 }
5925
5926 @end
5927 /* }}} */
5928
5929 /* File Table {{{ */
5930 @interface FileTable : CYViewController <
5931     UITableViewDataSource,
5932     UITableViewDelegate
5933 > {
5934     _transient Database *database_;
5935     Package *package_;
5936     NSString *name_;
5937     NSMutableArray *files_;
5938     UITableView *list_;
5939 }
5940
5941 - (id) initWithDatabase:(Database *)database;
5942 - (void) setPackage:(Package *)package;
5943
5944 @end
5945
5946 @implementation FileTable
5947
5948 - (void) dealloc {
5949     [self releaseSubviews];
5950
5951     [package_ release];
5952     [name_ release];
5953     [files_ release];
5954
5955     [super dealloc];
5956 }
5957
5958 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
5959     return files_ == nil ? 0 : [files_ count];
5960 }
5961
5962 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
5963     return 24.0f;
5964 }*/
5965
5966 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
5967     static NSString *reuseIdentifier = @"Cell";
5968
5969     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
5970     if (cell == nil) {
5971         cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
5972         [cell setFont:[UIFont systemFontOfSize:16]];
5973     }
5974     [cell setText:[files_ objectAtIndex:indexPath.row]];
5975     [cell setSelectionStyle:UITableViewCellSelectionStyleNone];
5976
5977     return cell;
5978 }
5979
5980 - (NSURL *) navigationURL {
5981     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/files", [package_ id]]];
5982 }
5983
5984 - (void) loadView {
5985     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
5986
5987     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds]];
5988     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5989     [list_ setRowHeight:24.0f];
5990     [list_ setDataSource:self];
5991     [list_ setDelegate:self];
5992     [[self view] addSubview:list_];
5993 }
5994
5995 - (void) viewDidLoad {
5996     [[self navigationItem] setTitle:UCLocalize("INSTALLED_FILES")];
5997 }
5998
5999 - (void) releaseSubviews {
6000     [list_ release];
6001     list_ = nil;
6002 }
6003
6004 - (id) initWithDatabase:(Database *)database {
6005     if ((self = [super init]) != nil) {
6006         database_ = database;
6007
6008         files_ = [[NSMutableArray arrayWithCapacity:32] retain];
6009     } return self;
6010 }
6011
6012 - (void) setPackage:(Package *)package {
6013     if (package_ != nil) {
6014         [package_ autorelease];
6015         package_ = nil;
6016     }
6017
6018     if (name_ != nil) {
6019         [name_ release];
6020         name_ = nil;
6021     }
6022
6023     [files_ removeAllObjects];
6024
6025     if (package != nil) {
6026         package_ = [package retain];
6027         name_ = [[package id] retain];
6028
6029         if (NSArray *files = [package files])
6030             [files_ addObjectsFromArray:files];
6031
6032         if ([files_ count] != 0) {
6033             if ([[files_ objectAtIndex:0] isEqualToString:@"/."])
6034                 [files_ removeObjectAtIndex:0];
6035             [files_ sortUsingSelector:@selector(compareByPath:)];
6036
6037             NSMutableArray *stack = [NSMutableArray arrayWithCapacity:8];
6038             [stack addObject:@"/"];
6039
6040             for (int i(0), e([files_ count]); i != e; ++i) {
6041                 NSString *file = [files_ objectAtIndex:i];
6042                 while (![file hasPrefix:[stack lastObject]])
6043                     [stack removeLastObject];
6044                 NSString *directory = [stack lastObject];
6045                 [stack addObject:[file stringByAppendingString:@"/"]];
6046                 [files_ replaceObjectAtIndex:i withObject:[NSString stringWithFormat:@"%*s%@",
6047                     ([stack count] - 2) * 3, "",
6048                     [file substringFromIndex:[directory length]]
6049                 ]];
6050             }
6051         }
6052     }
6053
6054     [list_ reloadData];
6055 }
6056
6057 - (void) reloadData {
6058     [super reloadData];
6059
6060     [self setPackage:[database_ packageWithName:name_]];
6061 }
6062
6063 @end
6064 /* }}} */
6065 /* Package Controller {{{ */
6066 @interface CYPackageController : CYBrowserController <
6067     UIActionSheetDelegate
6068 > {
6069     _transient Database *database_;
6070     _H<Package> package_;
6071     _H<NSString> name_;
6072     bool commercial_;
6073     _H<NSMutableArray> buttons_;
6074     _H<UIBarButtonItem> button_;
6075 }
6076
6077 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name;
6078
6079 @end
6080
6081 @implementation CYPackageController
6082
6083 - (NSURL *) navigationURL {
6084     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@", (id) name_]];
6085 }
6086
6087 /* XXX: this is not safe at all... localization of /fail/ */
6088 - (void) _clickButtonWithName:(NSString *)name {
6089     if ([name isEqualToString:UCLocalize("CLEAR")])
6090         [delegate_ clearPackage:package_];
6091     else if ([name isEqualToString:UCLocalize("INSTALL")])
6092         [delegate_ installPackage:package_];
6093     else if ([name isEqualToString:UCLocalize("REINSTALL")])
6094         [delegate_ installPackage:package_];
6095     else if ([name isEqualToString:UCLocalize("REMOVE")])
6096         [delegate_ removePackage:package_];
6097     else if ([name isEqualToString:UCLocalize("UPGRADE")])
6098         [delegate_ installPackage:package_];
6099     else _assert(false);
6100 }
6101
6102 - (void) actionSheet:(UIActionSheet *)sheet clickedButtonAtIndex:(NSInteger)button {
6103     NSString *context([sheet context]);
6104
6105     if ([context isEqualToString:@"modify"]) {
6106         if (button != [sheet cancelButtonIndex]) {
6107             NSString *buttonName = [buttons_ objectAtIndex:button];
6108             [self _clickButtonWithName:buttonName];
6109         }
6110
6111         [sheet dismissWithClickedButtonIndex:-1 animated:YES];
6112     }
6113 }
6114
6115 - (bool) _allowJavaScriptPanel {
6116     return commercial_;
6117 }
6118
6119 #if !AlwaysReload
6120 - (void) _customButtonClicked {
6121     int count([buttons_ count]);
6122     if (count == 0)
6123         return;
6124
6125     if (count == 1)
6126         [self _clickButtonWithName:[buttons_ objectAtIndex:0]];
6127     else {
6128         NSMutableArray *buttons = [NSMutableArray arrayWithCapacity:count];
6129         [buttons addObjectsFromArray:buttons_];
6130
6131         UIActionSheet *sheet = [[[UIActionSheet alloc]
6132             initWithTitle:nil
6133             delegate:self
6134             cancelButtonTitle:nil
6135             destructiveButtonTitle:nil
6136             otherButtonTitles:nil
6137         ] autorelease];
6138
6139         for (NSString *button in buttons) [sheet addButtonWithTitle:button];
6140         if (!IsWildcat_) {
6141            [sheet addButtonWithTitle:UCLocalize("CANCEL")];
6142            [sheet setCancelButtonIndex:[sheet numberOfButtons] - 1];
6143         }
6144         [sheet setContext:@"modify"];
6145
6146         [delegate_ showActionSheet:sheet fromItem:[[self navigationItem] rightBarButtonItem]];
6147     }
6148 }
6149
6150 // We don't want to allow non-commercial packages to do custom things to the install button,
6151 // so it must call customButtonClicked with a custom commercial_ == 1 fallthrough.
6152 - (void) customButtonClicked {
6153     if (commercial_)
6154         [super customButtonClicked];
6155     else
6156         [self _customButtonClicked];
6157 }
6158
6159 - (void) reloadButtonClicked {
6160     // Don't reload a commerical package by tapping the loading button,
6161     // but if it's not an Install button, we should forward it on.
6162     if (![package_ uninstalled])
6163         [self _customButtonClicked];
6164 }
6165
6166 - (void) applyLoadingTitle {
6167     // Don't show "Loading" as the title. Ever.
6168 }
6169
6170 - (UIBarButtonItem *) rightButton {
6171     return button_;
6172 }
6173 #endif
6174
6175 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name {
6176     if ((self = [super init]) != nil) {
6177         database_ = database;
6178         buttons_ = [NSMutableArray arrayWithCapacity:4];
6179         name_ = [NSString stringWithString:name];
6180         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/package/%@", UI_, (id) name_]]];
6181     } return self;
6182 }
6183
6184 - (void) reloadData {
6185     [super reloadData];
6186
6187     package_ = [database_ packageWithName:name_];
6188
6189     [buttons_ removeAllObjects];
6190
6191     if (package_ != nil) {
6192         [(Package *) package_ parse];
6193
6194         commercial_ = [package_ isCommercial];
6195
6196         if ([package_ mode] != nil)
6197             [buttons_ addObject:UCLocalize("CLEAR")];
6198         if ([package_ source] == nil);
6199         else if ([package_ upgradableAndEssential:NO])
6200             [buttons_ addObject:UCLocalize("UPGRADE")];
6201         else if ([package_ uninstalled])
6202             [buttons_ addObject:UCLocalize("INSTALL")];
6203         else
6204             [buttons_ addObject:UCLocalize("REINSTALL")];
6205         if (![package_ uninstalled])
6206             [buttons_ addObject:UCLocalize("REMOVE")];
6207     }
6208
6209     NSString *title;
6210     switch ([buttons_ count]) {
6211         case 0: title = nil; break;
6212         case 1: title = [buttons_ objectAtIndex:0]; break;
6213         default: title = UCLocalize("MODIFY"); break;
6214     }
6215
6216     button_ = [[[UIBarButtonItem alloc]
6217         initWithTitle:title
6218         style:UIBarButtonItemStylePlain
6219         target:self
6220         action:@selector(customButtonClicked)
6221     ] autorelease];
6222 }
6223
6224 - (bool) isLoading {
6225     return commercial_ ? [super isLoading] : false;
6226 }
6227
6228 @end
6229 /* }}} */
6230
6231 /* Package List Controller {{{ */
6232 @interface PackageListController : CYViewController <
6233     UITableViewDataSource,
6234     UITableViewDelegate
6235 > {
6236     _transient Database *database_;
6237     unsigned era_;
6238     NSMutableArray *packages_;
6239     NSMutableArray *sections_;
6240     UITableView *list_;
6241     NSMutableArray *index_;
6242     NSMutableDictionary *indices_;
6243     NSString *title_;
6244 }
6245
6246 - (id) initWithDatabase:(Database *)database title:(NSString *)title;
6247 - (void) setDelegate:(id)delegate;
6248 - (void) resetCursor;
6249
6250 @end
6251
6252 @implementation PackageListController
6253
6254 - (void) dealloc {
6255     [packages_ release];
6256     [sections_ release];
6257     [list_ release];
6258     [index_ release];
6259     [indices_ release];
6260     [title_ release];
6261
6262     [super dealloc];
6263 }
6264
6265 - (void) deselectWithAnimation:(BOOL)animated {
6266     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
6267 }
6268
6269 - (void) resizeForKeyboardBounds:(CGRect)bounds duration:(NSTimeInterval)duration curve:(UIViewAnimationCurve)curve {
6270     CGRect base = [[self view] bounds];
6271     base.size.height -= bounds.size.height;
6272     base.origin = [list_ frame].origin;
6273
6274     [UIView beginAnimations:nil context:NULL];
6275     [UIView setAnimationBeginsFromCurrentState:YES];
6276     [UIView setAnimationCurve:curve];
6277     [UIView setAnimationDuration:duration];
6278     [list_ setFrame:base];
6279     [UIView commitAnimations];
6280 }
6281
6282 - (void) resizeForKeyboardBounds:(CGRect)bounds duration:(NSTimeInterval)duration {
6283     [self resizeForKeyboardBounds:bounds duration:duration curve:UIViewAnimationCurveLinear];
6284 }
6285
6286 - (void) resizeForKeyboardBounds:(CGRect)bounds {
6287     [self resizeForKeyboardBounds:bounds duration:0];
6288 }
6289
6290 - (void) keyboardWillShow:(NSNotification *)notification {
6291     CGRect bounds;
6292     CGPoint center;
6293     NSTimeInterval duration;
6294     UIViewAnimationCurve curve;
6295     [[[notification userInfo] objectForKey:UIKeyboardBoundsUserInfoKey] getValue:&bounds];
6296     [[[notification userInfo] objectForKey:UIKeyboardCenterEndUserInfoKey] getValue:&center];
6297     [[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] getValue:&curve];
6298     [[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] getValue:&duration];
6299
6300     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);
6301     UIViewController *base = self;
6302     while ([base parentViewController] != nil)
6303         base = [base parentViewController];
6304     CGRect viewframe = [[base view] convertRect:[list_ frame] fromView:[list_ superview]];
6305     CGRect intersection = CGRectIntersection(viewframe, kbframe);
6306
6307     [self resizeForKeyboardBounds:intersection duration:duration curve:curve];
6308 }
6309
6310 - (void) keyboardWillHide:(NSNotification *)notification {
6311     NSTimeInterval duration;
6312     UIViewAnimationCurve curve;
6313     [[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] getValue:&curve];
6314     [[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] getValue:&duration];
6315
6316     [self resizeForKeyboardBounds:CGRectZero duration:duration curve:curve];
6317 }
6318
6319 - (void) viewWillAppear:(BOOL)animated {
6320     [super viewWillAppear:animated];
6321
6322     [self resizeForKeyboardBounds:CGRectZero];
6323     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil];
6324     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil];
6325 }
6326
6327 - (void) viewWillDisappear:(BOOL)animated {
6328     [super viewWillDisappear:animated];
6329
6330     [self resizeForKeyboardBounds:CGRectZero];
6331     [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillShowNotification object:nil];
6332     [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillHideNotification object:nil];
6333 }
6334
6335 - (void) viewDidAppear:(BOOL)animated {
6336     [super viewDidAppear:animated];
6337     [self deselectWithAnimation:animated];
6338 }
6339
6340 - (void) didSelectPackage:(Package *)package {
6341     CYPackageController *view([[[CYPackageController alloc] initWithDatabase:database_ forPackage:[package id]] autorelease]);
6342     [view setDelegate:delegate_];
6343     [[self navigationController] pushViewController:view animated:YES];
6344 }
6345
6346 #if TryIndexedCollation
6347 + (BOOL) hasIndexedCollation {
6348     return NO; // XXX: objc_getClass("UILocalizedIndexedCollation") != nil;
6349 }
6350 #endif
6351
6352 - (NSInteger) numberOfSectionsInTableView:(UITableView *)list {
6353     NSInteger count([sections_ count]);
6354     return count == 0 ? 1 : count;
6355 }
6356
6357 - (NSString *) tableView:(UITableView *)list titleForHeaderInSection:(NSInteger)section {
6358     if ([sections_ count] == 0 || [[sections_ objectAtIndex:section] count] == 0)
6359         return nil;
6360     return [[sections_ objectAtIndex:section] name];
6361 }
6362
6363 - (NSInteger) tableView:(UITableView *)list numberOfRowsInSection:(NSInteger)section {
6364     if ([sections_ count] == 0)
6365         return 0;
6366     return [[sections_ objectAtIndex:section] count];
6367 }
6368
6369 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
6370 @synchronized (database_) {
6371     if ([database_ era] != era_)
6372         return nil;
6373
6374     Section *section([sections_ objectAtIndex:[path section]]);
6375     NSInteger row([path row]);
6376     Package *package([packages_ objectAtIndex:([section row] + row)]);
6377     return [[package retain] autorelease];
6378 } }
6379
6380 - (UITableViewCell *) tableView:(UITableView *)table cellForRowAtIndexPath:(NSIndexPath *)path {
6381     PackageCell *cell((PackageCell *) [table dequeueReusableCellWithIdentifier:@"Package"]);
6382     if (cell == nil)
6383         cell = [[[PackageCell alloc] init] autorelease];
6384     [cell setPackage:[self packageAtIndexPath:path]];
6385     return cell;
6386 }
6387
6388 - (void) tableView:(UITableView *)table didSelectRowAtIndexPath:(NSIndexPath *)path {
6389     Package *package([self packageAtIndexPath:path]);
6390     package = [database_ packageWithName:[package id]];
6391     [self didSelectPackage:package];
6392 }
6393
6394 - (NSArray *) sectionIndexTitlesForTableView:(UITableView *)tableView {
6395     // XXX: is 20 the most optimal number here?
6396     return [packages_ count] > 20 ? index_ : nil;
6397 }
6398
6399 - (NSInteger) tableView:(UITableView *)tableView sectionForSectionIndexTitle:(NSString *)title atIndex:(NSInteger)index {
6400 #if TryIndexedCollation
6401     if ([[self class] hasIndexedCollation]) {
6402         return [[objc_getClass("UILocalizedIndexedCollation") currentCollation] sectionForSectionIndexTitleAtIndex:index];
6403     }
6404 #endif
6405
6406     return index;
6407 }
6408
6409 - (id) initWithDatabase:(Database *)database title:(NSString *)title {
6410     if ((self = [super init]) != nil) {
6411         database_ = database;
6412         title_ = [title copy];
6413         [[self navigationItem] setTitle:title_];
6414
6415 #if TryIndexedCollation
6416         if ([[self class] hasIndexedCollation])
6417             index_ = [[[objc_getClass("UILocalizedIndexedCollation") currentCollation] sectionIndexTitles] retain]
6418         else
6419 #endif
6420             index_ = [[NSMutableArray alloc] initWithCapacity:32];
6421
6422         indices_ = [[NSMutableDictionary alloc] initWithCapacity:32];
6423
6424         packages_ = [[NSMutableArray arrayWithCapacity:16] retain];
6425         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
6426
6427         list_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain];
6428         [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6429         [list_ setRowHeight:73];
6430         [[self view] addSubview:list_];
6431
6432         [list_ setDataSource:self];
6433         [list_ setDelegate:self];
6434     } return self;
6435 }
6436
6437 - (void) setDelegate:(id)delegate {
6438     delegate_ = delegate;
6439 }
6440
6441 - (bool) hasPackage:(Package *)package {
6442     return true;
6443 }
6444
6445 - (void) reloadData {
6446     [super reloadData];
6447
6448     era_ = [database_ era];
6449     NSArray *packages = [database_ packages];
6450
6451     [packages_ removeAllObjects];
6452     [sections_ removeAllObjects];
6453
6454     _profile(PackageTable$reloadData$Filter)
6455         for (Package *package in packages)
6456             if ([self hasPackage:package])
6457                 [packages_ addObject:package];
6458     _end
6459
6460     [indices_ removeAllObjects];
6461
6462     Section *section = nil;
6463
6464 #if TryIndexedCollation
6465     if ([[self class] hasIndexedCollation]) {
6466         id collation = [objc_getClass("UILocalizedIndexedCollation") currentCollation];
6467         NSArray *titles = [collation sectionIndexTitles];
6468         int secidx = -1;
6469
6470         _profile(PackageTable$reloadData$Section)
6471             for (size_t offset(0), end([packages_ count]); offset != end; ++offset) {
6472                 Package *package;
6473                 int index;
6474
6475                 _profile(PackageTable$reloadData$Section$Package)
6476                     package = [packages_ objectAtIndex:offset];
6477                     index = [collation sectionForObject:package collationStringSelector:@selector(name)];
6478                 _end
6479
6480                 while (secidx < index) {
6481                     secidx += 1;
6482
6483                     _profile(PackageTable$reloadData$Section$Allocate)
6484                         section = [[[Section alloc] initWithName:[titles objectAtIndex:secidx] row:offset localize:NO] autorelease];
6485                     _end
6486
6487                     _profile(PackageTable$reloadData$Section$Add)
6488                         [sections_ addObject:section];
6489                     _end
6490                 }
6491
6492                 [section addToCount];
6493             }
6494         _end
6495     } else
6496 #endif
6497     {
6498         [index_ removeAllObjects];
6499
6500         _profile(PackageTable$reloadData$Section)
6501             for (size_t offset(0), end([packages_ count]); offset != end; ++offset) {
6502                 Package *package;
6503                 unichar index;
6504
6505                 _profile(PackageTable$reloadData$Section$Package)
6506                     package = [packages_ objectAtIndex:offset];
6507                     index = [package index];
6508                 _end
6509
6510                 if (section == nil || [section index] != index) {
6511                     _profile(PackageTable$reloadData$Section$Allocate)
6512                         section = [[[Section alloc] initWithIndex:index row:offset] autorelease];
6513                     _end
6514
6515                     [index_ addObject:[section name]];
6516                     //[indices_ setObject:[NSNumber numberForInt:[sections_ count]] forKey:index];
6517
6518                     _profile(PackageTable$reloadData$Section$Add)
6519                         [sections_ addObject:section];
6520                     _end
6521                 }
6522
6523                 [section addToCount];
6524             }
6525         _end
6526     }
6527
6528     _profile(PackageTable$reloadData$List)
6529         [list_ reloadData];
6530     _end
6531 }
6532
6533 - (void) resetCursor {
6534     [list_ scrollRectToVisible:CGRectMake(0, 0, 0, 0) animated:NO];
6535 }
6536
6537 @end
6538 /* }}} */
6539 /* Filtered Package List Controller {{{ */
6540 @interface FilteredPackageListController : PackageListController {
6541     SEL filter_;
6542     IMP imp_;
6543     id object_;
6544 }
6545
6546 - (void) setObject:(id)object;
6547 - (void) setObject:(id)object forFilter:(SEL)filter;
6548
6549 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object;
6550
6551 @end
6552
6553 @implementation FilteredPackageListController
6554
6555 - (void) dealloc {
6556     if (object_ != nil)
6557         [object_ release];
6558     [super dealloc];
6559 }
6560
6561 - (void) setFilter:(SEL)filter {
6562     filter_ = filter;
6563
6564     /* XXX: this is an unsafe optimization of doomy hell */
6565     Method method(class_getInstanceMethod([Package class], filter));
6566     _assert(method != NULL);
6567     imp_ = method_getImplementation(method);
6568     _assert(imp_ != NULL);
6569 }
6570
6571 - (void) setObject:(id)object {
6572     if (object_ != nil)
6573         [object_ release];
6574     if (object == nil)
6575         object_ = nil;
6576     else
6577         object_ = [object retain];
6578 }
6579
6580 - (void) setObject:(id)object forFilter:(SEL)filter {
6581     [self setFilter:filter];
6582     [self setObject:object];
6583 }
6584
6585 - (bool) hasPackage:(Package *)package {
6586     _profile(FilteredPackageTable$hasPackage)
6587         return [package valid] && (*reinterpret_cast<bool (*)(id, SEL, id)>(imp_))(package, filter_, object_);
6588     _end
6589 }
6590
6591 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object {
6592     if ((self = [super initWithDatabase:database title:title]) != nil) {
6593         [self setFilter:filter];
6594         [self setObject:object];
6595     } return self;
6596 }
6597
6598 @end
6599 /* }}} */
6600
6601 /* Home Controller {{{ */
6602 @interface HomeController : CYBrowserController {
6603 }
6604
6605 @end
6606
6607 @implementation HomeController
6608
6609 - (id) init {
6610     if ((self = [super init]) != nil) {
6611         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/home/", UI_]]];
6612     } return self;
6613 }
6614
6615 - (NSURL *) navigationURL {
6616     return [NSURL URLWithString:@"cydia://home"];
6617 }
6618
6619 - (void) aboutButtonClicked {
6620     UIAlertView *alert([[[UIAlertView alloc] init] autorelease]);
6621
6622     [alert setTitle:UCLocalize("ABOUT_CYDIA")];
6623     [alert addButtonWithTitle:UCLocalize("CLOSE")];
6624     [alert setCancelButtonIndex:0];
6625
6626     [alert setMessage:
6627         @"Copyright (C) 2008-2011\n"
6628         "Jay Freeman (saurik)\n"
6629         "saurik@saurik.com\n"
6630         "http://www.saurik.com/"
6631     ];
6632
6633     [alert show];
6634 }
6635
6636 - (void) viewDidLoad {
6637     [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
6638         initWithTitle:UCLocalize("ABOUT")
6639         style:UIBarButtonItemStylePlain
6640         target:self
6641         action:@selector(aboutButtonClicked)
6642     ] autorelease]];
6643 }
6644
6645 @end
6646 /* }}} */
6647 /* Manage Controller {{{ */
6648 @interface ManageController : CYBrowserController {
6649 }
6650
6651 - (void) queueStatusDidChange;
6652
6653 @end
6654
6655 @implementation ManageController
6656
6657 - (id) init {
6658     if ((self = [super init]) != nil) {
6659         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/manage/", UI_]]];
6660     } return self;
6661 }
6662
6663 - (NSURL *) navigationURL {
6664     return [NSURL URLWithString:@"cydia://manage"];
6665 }
6666
6667 - (void) viewDidLoad {
6668     [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
6669         initWithTitle:UCLocalize("SETTINGS")
6670         style:UIBarButtonItemStylePlain
6671         target:self
6672         action:@selector(settingsButtonClicked)
6673     ] autorelease]];
6674
6675     [self queueStatusDidChange];
6676 }
6677
6678 - (void) settingsButtonClicked {
6679     [delegate_ showSettings];
6680 }
6681
6682 #if !AlwaysReload
6683 - (void) queueButtonClicked {
6684     [delegate_ queue];
6685 }
6686
6687 - (void) applyLoadingTitle {
6688     // Disable "Loading" title.
6689 }
6690
6691 - (void) applyRightButton {
6692     // Disable right button.
6693 }
6694 #endif
6695
6696 - (void) queueStatusDidChange {
6697 #if !AlwaysReload
6698     if (!IsWildcat_ && Queuing_) {
6699         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
6700             initWithTitle:UCLocalize("QUEUE")
6701             style:UIBarButtonItemStyleDone
6702             target:self
6703             action:@selector(queueButtonClicked)
6704         ] autorelease]];
6705     } else {
6706         [[self navigationItem] setRightBarButtonItem:nil];
6707     }
6708 #endif
6709 }
6710
6711 - (bool) isLoading {
6712     // Never show as loading.
6713     return false;
6714 }
6715
6716 @end
6717 /* }}} */
6718
6719 /* Refresh Bar {{{ */
6720 @interface RefreshBar : UINavigationBar {
6721     UIProgressIndicator *indicator_;
6722     UITextLabel *prompt_;
6723     UIProgressBar *progress_;
6724     UINavigationButton *cancel_;
6725 }
6726
6727 @end
6728
6729 @implementation RefreshBar
6730
6731 - (void) dealloc {
6732     [indicator_ release];
6733     [prompt_ release];
6734     [progress_ release];
6735     [cancel_ release];
6736     [super dealloc];
6737 }
6738
6739 - (void) positionViews {
6740     CGRect frame = [cancel_ frame];
6741     frame.size = [cancel_ sizeThatFits:frame.size];
6742     frame.origin.x = [self frame].size.width - frame.size.width - 5;
6743     frame.origin.y = ([self frame].size.height - frame.size.height) / 2;
6744     [cancel_ setFrame:frame];
6745
6746     CGSize prgsize = {75, 100};
6747     CGRect prgrect = {{
6748         [self frame].size.width - prgsize.width - 10,
6749         ([self frame].size.height - prgsize.height) / 2
6750     } , prgsize};
6751     [progress_ setFrame:prgrect];
6752
6753     CGSize indsize([UIProgressIndicator defaultSizeForStyle:[indicator_ activityIndicatorViewStyle]]);
6754     unsigned indoffset = ([self frame].size.height - indsize.height) / 2;
6755     CGRect indrect = {{indoffset, indoffset}, indsize};
6756     [indicator_ setFrame:indrect];
6757
6758     CGSize prmsize = {215, indsize.height + 4};
6759     CGRect prmrect = {{
6760         indoffset * 2 + indsize.width,
6761         unsigned([self frame].size.height - prmsize.height) / 2 - 1
6762     }, prmsize};
6763     [prompt_ setFrame:prmrect];
6764 }
6765
6766 - (void) setFrame:(CGRect)frame {
6767     [super setFrame:frame];
6768     [self positionViews];
6769 }
6770
6771 - (id) initWithFrame:(CGRect)frame delegate:(id)delegate {
6772     if ((self = [super initWithFrame:frame]) != nil) {
6773         [self setAutoresizingMask:UIViewAutoresizingFlexibleWidth];
6774
6775         [self setBarStyle:UIBarStyleBlack];
6776
6777         UIBarStyle barstyle([self _barStyle:NO]);
6778         bool ugly(barstyle == UIBarStyleDefault);
6779
6780         UIProgressIndicatorStyle style = ugly ?
6781             UIProgressIndicatorStyleMediumBrown :
6782             UIProgressIndicatorStyleMediumWhite;
6783
6784         indicator_ = [[UIProgressIndicator alloc] initWithFrame:CGRectZero];
6785         [indicator_ setStyle:style];
6786         [indicator_ startAnimation];
6787         [self addSubview:indicator_];
6788
6789         prompt_ = [[UITextLabel alloc] initWithFrame:CGRectZero];
6790         [prompt_ setColor:[UIColor colorWithCGColor:(ugly ? Blueish_ : Off_)]];
6791         [prompt_ setBackgroundColor:[UIColor clearColor]];
6792         [prompt_ setFont:[UIFont systemFontOfSize:15]];
6793         [self addSubview:prompt_];
6794
6795         progress_ = [[UIProgressBar alloc] initWithFrame:CGRectZero];
6796         [progress_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleLeftMargin];
6797         [progress_ setStyle:0];
6798         [self addSubview:progress_];
6799
6800         cancel_ = [[UINavigationButton alloc] initWithTitle:UCLocalize("CANCEL") style:UINavigationButtonStyleHighlighted];
6801         [cancel_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
6802         [cancel_ addTarget:delegate action:@selector(cancelPressed) forControlEvents:UIControlEventTouchUpInside];
6803         [cancel_ setBarStyle:barstyle];
6804
6805         [self positionViews];
6806     } return self;
6807 }
6808
6809 - (void) setCancellable:(bool)cancellable {
6810     if (cancellable)
6811         [self addSubview:cancel_];
6812     else
6813         [cancel_ removeFromSuperview];
6814 }
6815
6816 - (void) start {
6817     [prompt_ setText:UCLocalize("UPDATING_DATABASE")];
6818     [progress_ setProgress:0];
6819 }
6820
6821 - (void) stop {
6822     [self setCancellable:NO];
6823 }
6824
6825 - (void) setPrompt:(NSString *)prompt {
6826     [prompt_ setText:prompt];
6827 }
6828
6829 - (void) setProgress:(float)progress {
6830     [progress_ setProgress:progress];
6831 }
6832
6833 @end
6834 /* }}} */
6835
6836 /* Cydia Navigation Controller Interface {{{ */
6837 @interface UINavigationController (Cydia)
6838
6839 - (NSArray *) navigationURLCollection;
6840 - (void) unloadData;
6841
6842 @end
6843 /* }}} */
6844
6845 /* Cydia Tab Bar Controller {{{ */
6846 @interface CYTabBarController : UITabBarController <
6847     UITabBarControllerDelegate,
6848     ProgressDelegate
6849 > {
6850     _transient Database *database_;
6851     RefreshBar *refreshbar_;
6852
6853     bool dropped_;
6854     bool updating_;
6855     // XXX: ok, "updatedelegate_"?...
6856     _transient NSObject<CydiaDelegate> *updatedelegate_;
6857
6858     id root_;
6859     UIViewController *remembered_;
6860     _transient UIViewController *transient_;
6861 }
6862
6863 - (NSArray *) navigationURLCollection;
6864 - (void) dropBar:(BOOL)animated;
6865 - (void) beginUpdate;
6866 - (void) raiseBar:(BOOL)animated;
6867 - (BOOL) updating;
6868 - (void) unloadData;
6869
6870 @end
6871
6872 @implementation CYTabBarController
6873
6874 - (void) setUnselectedViewController:(UIViewController *)transient {
6875     NSMutableArray *controllers = [[self viewControllers] mutableCopy];
6876     if (transient != nil) {
6877         if (transient_ == nil)
6878             remembered_ = [[controllers objectAtIndex:0] retain];
6879         transient_ = transient;
6880         [transient_ setTabBarItem:[remembered_ tabBarItem]];
6881         [controllers replaceObjectAtIndex:0 withObject:transient_];
6882         [self setSelectedIndex:0];
6883         [self setViewControllers:controllers];
6884         [self concealTabBarSelection];
6885     } else if (remembered_ != nil) {
6886         [remembered_ setTabBarItem:[transient_ tabBarItem]];
6887         transient_ = transient;
6888         [controllers replaceObjectAtIndex:0 withObject:remembered_];
6889         [remembered_ release];
6890         remembered_ = nil;
6891         [self setViewControllers:controllers];
6892         [self revealTabBarSelection];
6893     }
6894 }
6895
6896 - (UIViewController *) unselectedViewController {
6897     return transient_;
6898 }
6899
6900 - (void) tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UIViewController *)viewController {
6901     if ([self unselectedViewController])
6902         [self setUnselectedViewController:nil];
6903 }
6904
6905 - (NSArray *) navigationURLCollection {
6906     NSMutableArray *items([NSMutableArray array]);
6907
6908     // XXX: Should this deal with transient view controllers?
6909     for (id navigation in [self viewControllers]) {
6910         NSArray *stack = [navigation performSelector:@selector(navigationURLCollection)];
6911         if (stack != nil)
6912             [items addObject:stack];
6913     }
6914
6915     return items;
6916 }
6917
6918 - (void) unloadData {
6919     UIViewController *selected([self selectedViewController]);
6920     for (UINavigationController *controller in [self viewControllers])
6921         [controller unloadData];
6922
6923     [selected reloadData];
6924
6925     if (UIViewController *unselected = [self unselectedViewController])
6926         [unselected reloadData];
6927
6928     [super unloadData];
6929 }
6930
6931 - (void) dealloc {
6932     [refreshbar_ release];
6933     [[NSNotificationCenter defaultCenter] removeObserver:self];
6934
6935     [super dealloc];
6936 }
6937
6938 - (id) initWithDatabase:(Database *)database {
6939     if ((self = [super init]) != nil) {
6940         database_ = database;
6941         [self setDelegate:self];
6942
6943         [[self view] setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6944         [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(statusBarFrameChanged:) name:UIApplicationDidChangeStatusBarFrameNotification object:nil];
6945
6946         refreshbar_ = [[RefreshBar alloc] initWithFrame:CGRectMake(0, 0, [[self view] frame].size.width, [UINavigationBar defaultSize].height) delegate:self];
6947     } return self;
6948 }
6949
6950 - (void) setUpdate:(NSDate *)date {
6951     [self beginUpdate];
6952 }
6953
6954 - (void) beginUpdate {
6955     [refreshbar_ start];
6956     [self dropBar:YES];
6957
6958     [updatedelegate_ retainNetworkActivityIndicator];
6959     updating_ = true;
6960
6961     [NSThread
6962         detachNewThreadSelector:@selector(performUpdate)
6963         toTarget:self
6964         withObject:nil
6965     ];
6966 }
6967
6968 - (void) performUpdate { _pooled
6969     Status status;
6970     status.setDelegate(self);
6971     [database_ updateWithStatus:status];
6972
6973     [self
6974         performSelectorOnMainThread:@selector(completeUpdate)
6975         withObject:nil
6976         waitUntilDone:NO
6977     ];
6978 }
6979
6980 - (void) stopUpdateWithSelector:(SEL)selector {
6981     updating_ = false;
6982     [updatedelegate_ releaseNetworkActivityIndicator];
6983
6984     [self raiseBar:YES];
6985     [refreshbar_ stop];
6986
6987     [updatedelegate_ performSelector:selector withObject:nil afterDelay:0];
6988 }
6989
6990 - (void) completeUpdate {
6991     if (!updating_)
6992         return;
6993     [self stopUpdateWithSelector:@selector(reloadData)];
6994 }
6995
6996 - (void) cancelUpdate {
6997     [self stopUpdateWithSelector:@selector(updateData)];
6998 }
6999
7000 - (void) cancelPressed {
7001     [self cancelUpdate];
7002 }
7003
7004 - (BOOL) updating {
7005     return updating_;
7006 }
7007
7008 - (void) addProgressEvent:(CydiaProgressEvent *)event {
7009     [refreshbar_ setPrompt:[event compoundMessage]];
7010 }
7011
7012 - (bool) isProgressCancelled {
7013     return !updating_;
7014 }
7015
7016 - (void) setProgressCancellable:(NSNumber *)cancellable {
7017     [refreshbar_ setCancellable:(updating_ && [cancellable boolValue])];
7018 }
7019
7020 - (void) setProgressPercent:(NSNumber *)percent {
7021     [refreshbar_ setProgress:[percent floatValue]];
7022 }
7023
7024 - (void) setProgressStatus:(NSDictionary *)status {
7025     if (status != nil)
7026         [self setProgressPercent:[status objectForKey:@"Percent"]];
7027 }
7028
7029 - (void) setUpdateDelegate:(id)delegate {
7030     updatedelegate_ = delegate;
7031 }
7032
7033 - (CGFloat) statusBarHeight {
7034     if (UIInterfaceOrientationIsPortrait([self interfaceOrientation])) {
7035         return [[UIApplication sharedApplication] statusBarFrame].size.height;
7036     } else {
7037         return [[UIApplication sharedApplication] statusBarFrame].size.width;
7038     }
7039 }
7040
7041 - (UIView *) transitionView {
7042     if ([self respondsToSelector:@selector(_transitionView)])
7043         return [self _transitionView];
7044     else
7045         return MSHookIvar<id>(self, "_viewControllerTransitionView");
7046 }
7047
7048 - (void) dropBar:(BOOL)animated {
7049     if (dropped_)
7050         return;
7051     dropped_ = true;
7052
7053     UIView *transition([self transitionView]);
7054     [[self view] addSubview:refreshbar_];
7055
7056     CGRect barframe([refreshbar_ frame]);
7057
7058     if (kCFCoreFoundationVersionNumber >= kCFCoreFoundationVersionNumber_iPhoneOS_3_0) // XXX: _UIApplicationLinkedOnOrAfter(4)
7059         barframe.origin.y = [self statusBarHeight];
7060     else
7061         barframe.origin.y = 0;
7062
7063     [refreshbar_ setFrame:barframe];
7064
7065     if (animated)
7066         [UIView beginAnimations:nil context:NULL];
7067
7068     CGRect viewframe = [transition frame];
7069     viewframe.origin.y += barframe.size.height;
7070     viewframe.size.height -= barframe.size.height;
7071     [transition setFrame:viewframe];
7072
7073     if (animated)
7074         [UIView commitAnimations];
7075
7076     // Ensure bar has the proper width for our view, it might have changed
7077     barframe.size.width = viewframe.size.width;
7078     [refreshbar_ setFrame:barframe];
7079
7080     // XXX: fix Apple's layout bug
7081     [[root_ selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
7082 }
7083
7084 - (void) raiseBar:(BOOL)animated {
7085     if (!dropped_)
7086         return;
7087     dropped_ = false;
7088
7089     UIView *transition([self transitionView]);
7090     [refreshbar_ removeFromSuperview];
7091
7092     CGRect barframe([refreshbar_ frame]);
7093
7094     if (animated)
7095         [UIView beginAnimations:nil context:NULL];
7096
7097     CGRect viewframe = [transition frame];
7098     viewframe.origin.y -= barframe.size.height;
7099     viewframe.size.height += barframe.size.height;
7100     [transition setFrame:viewframe];
7101
7102     if (animated)
7103         [UIView commitAnimations];
7104
7105     // XXX: fix Apple's layout bug
7106     // SRK [[self selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
7107 }
7108
7109 #if 0
7110 - (void) willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation duration:(NSTimeInterval)duration {
7111     // XXX: fix Apple's layout bug
7112     // SRK [[self selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
7113 }
7114 #endif
7115
7116 - (void) didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
7117     bool dropped(dropped_);
7118
7119     if (dropped)
7120         [self raiseBar:NO];
7121
7122     [super didRotateFromInterfaceOrientation:fromInterfaceOrientation];
7123
7124     if (dropped)
7125         [self dropBar:NO];
7126
7127     // XXX: fix Apple's layout bug
7128     // SRK [[self selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
7129 }
7130
7131 - (void) statusBarFrameChanged:(NSNotification *)notification {
7132     if (dropped_) {
7133         [self raiseBar:NO];
7134         [self dropBar:NO];
7135     }
7136 }
7137
7138 @end
7139 /* }}} */
7140
7141 /* Cydia Navigation Controller Implementation {{{ */
7142 @implementation UINavigationController (Cydia)
7143
7144 - (NSArray *) navigationURLCollection {
7145     NSMutableArray *stack([NSMutableArray array]);
7146
7147     for (CYViewController *controller in [self viewControllers]) {
7148         NSString *url = [[controller navigationURL] absoluteString];
7149         if (url != nil)
7150             [stack addObject:url];
7151     }
7152
7153     return stack;
7154 }
7155
7156 - (void) reloadData {
7157     [super reloadData];
7158
7159     if (UIViewController *visible = [self visibleViewController])
7160         [visible reloadData];
7161 }
7162
7163 - (void) unloadData {
7164     for (CYViewController *page in [self viewControllers])
7165         [page unloadData];
7166
7167     [super unloadData];
7168 }
7169
7170 @end
7171 /* }}} */
7172
7173 /* Cydia:// Protocol {{{ */
7174 @interface CydiaURLProtocol : NSURLProtocol {
7175 }
7176
7177 @end
7178
7179 @implementation CydiaURLProtocol
7180
7181 + (BOOL) canInitWithRequest:(NSURLRequest *)request {
7182     NSURL *url([request URL]);
7183     if (url == nil)
7184         return NO;
7185
7186     NSString *scheme([[url scheme] lowercaseString]);
7187     if (scheme != nil && [scheme isEqualToString:@"cydia"])
7188         return YES;
7189     if ([[url absoluteString] hasPrefix:@"about:cydia-"])
7190         return YES;
7191
7192     return NO;
7193 }
7194
7195 + (NSURLRequest *) canonicalRequestForRequest:(NSURLRequest *)request {
7196     return request;
7197 }
7198
7199 - (void) _returnPNGWithImage:(UIImage *)icon forRequest:(NSURLRequest *)request {
7200     id<NSURLProtocolClient> client([self client]);
7201     if (icon == nil)
7202         [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorFileDoesNotExist userInfo:nil]];
7203     else {
7204         NSData *data(UIImagePNGRepresentation(icon));
7205
7206         NSURLResponse *response([[[NSURLResponse alloc] initWithURL:[request URL] MIMEType:@"image/png" expectedContentLength:-1 textEncodingName:nil] autorelease]);
7207         [client URLProtocol:self didReceiveResponse:response cacheStoragePolicy:NSURLCacheStorageNotAllowed];
7208         [client URLProtocol:self didLoadData:data];
7209         [client URLProtocolDidFinishLoading:self];
7210     }
7211 }
7212
7213 - (void) startLoading {
7214     id<NSURLProtocolClient> client([self client]);
7215     NSURLRequest *request([self request]);
7216
7217     NSURL *url([request URL]);
7218     NSString *href([url absoluteString]);
7219     NSString *scheme([[url scheme] lowercaseString]);
7220
7221     NSString *path;
7222
7223     if ([scheme isEqualToString:@"cydia"])
7224         path = [href substringFromIndex:8];
7225     else if ([scheme isEqualToString:@"about"])
7226         path = [href substringFromIndex:12];
7227     else _assert(false);
7228
7229     NSRange slash([path rangeOfString:@"/"]);
7230
7231     NSString *command;
7232     if (slash.location == NSNotFound) {
7233         command = path;
7234         path = nil;
7235     } else {
7236         command = [path substringToIndex:slash.location];
7237         path = [path substringFromIndex:(slash.location + 1)];
7238     }
7239
7240     Database *database([Database sharedInstance]);
7241
7242     if ([command isEqualToString:@"package-icon"]) {
7243         if (path == nil)
7244             goto fail;
7245         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7246         Package *package([database packageWithName:path]);
7247         if (package == nil)
7248             goto fail;
7249         UIImage *icon([package icon]);
7250         [self _returnPNGWithImage:icon forRequest:request];
7251     } else if ([command isEqualToString:@"source-icon"]) {
7252         if (path == nil)
7253             goto fail;
7254         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7255         NSString *source(Simplify(path));
7256         UIImage *icon([UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sources/%@.png", App_, source]]);
7257         if (icon == nil)
7258             icon = [UIImage applicationImageNamed:@"unknown.png"];
7259         [self _returnPNGWithImage:icon forRequest:request];
7260     } else if ([command isEqualToString:@"uikit-image"]) {
7261         if (path == nil)
7262             goto fail;
7263         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7264         UIImage *icon(_UIImageWithName(path));
7265         [self _returnPNGWithImage:icon forRequest:request];
7266     } else if ([command isEqualToString:@"section-icon"]) {
7267         if (path == nil)
7268             goto fail;
7269         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7270         NSString *section(Simplify(path));
7271         UIImage *icon([UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, section]]);
7272         if (icon == nil)
7273             icon = [UIImage applicationImageNamed:@"unknown.png"];
7274         [self _returnPNGWithImage:icon forRequest:request];
7275     } else fail: {
7276         [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorResourceUnavailable userInfo:nil]];
7277     }
7278 }
7279
7280 - (void) stopLoading {
7281 }
7282
7283 @end
7284 /* }}} */
7285
7286 /* Section Controller {{{ */
7287 @interface SectionController : FilteredPackageListController {
7288     _H<NSString> section_;
7289 }
7290
7291 - (id) initWithDatabase:(Database *)database section:(NSString *)section;
7292
7293 @end
7294
7295 @implementation SectionController
7296
7297 - (NSURL *) navigationURL {
7298     NSString *name = section_;
7299     if (name == nil)
7300         name = @"all";
7301
7302     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sections/%@", name]];
7303 }
7304
7305 - (id) initWithDatabase:(Database *)database section:(NSString *)name {
7306     NSString *title;
7307     if (name == nil)
7308         title = UCLocalize("ALL_PACKAGES");
7309     else if (![name isEqual:@""])
7310         title = [[NSBundle mainBundle] localizedStringForKey:Simplify(name) value:nil table:@"Sections"];
7311     else
7312         title = UCLocalize("NO_SECTION");
7313
7314     if ((self = [super initWithDatabase:database title:title filter:@selector(isVisibleInSection:) with:name]) != nil) {
7315         section_ = name;
7316     } return self;
7317 }
7318
7319 @end
7320 /* }}} */
7321 /* Sections Controller {{{ */
7322 @interface SectionsController : CYViewController <
7323     UITableViewDataSource,
7324     UITableViewDelegate
7325 > {
7326     _transient Database *database_;
7327     NSMutableArray *sections_;
7328     NSMutableArray *filtered_;
7329     UITableView *list_;
7330 }
7331
7332 - (id) initWithDatabase:(Database *)database;
7333 - (void) editButtonClicked;
7334
7335 @end
7336
7337 @implementation SectionsController
7338
7339 - (void) dealloc {
7340     [self releaseSubviews];
7341     [sections_ release];
7342     [filtered_ release];
7343
7344     [super dealloc];
7345 }
7346
7347 - (NSURL *) navigationURL {
7348     return [NSURL URLWithString:@"cydia://sections"];
7349 }
7350
7351 - (void) updateNavigationItem {
7352     [[self navigationItem] setTitle:[self isEditing] ? UCLocalize("SECTION_VISIBILITY") : UCLocalize("SECTIONS")];
7353     if ([sections_ count] == 0) {
7354         [[self navigationItem] setRightBarButtonItem:nil];
7355     } else {
7356         [[self navigationItem] setRightBarButtonItem:[[UIBarButtonItem alloc]
7357             initWithBarButtonSystemItem:([self isEditing] ? UIBarButtonSystemItemDone : UIBarButtonSystemItemEdit)
7358             target:self
7359             action:@selector(editButtonClicked)
7360         ] animated:([[self navigationItem] rightBarButtonItem] != nil)];
7361     }
7362 }
7363
7364 - (void) setEditing:(BOOL)editing animated:(BOOL)animated {
7365     [super setEditing:editing animated:animated];
7366
7367     if (editing)
7368         [list_ reloadData];
7369     else
7370         [delegate_ updateData];
7371
7372     [self updateNavigationItem];
7373 }
7374
7375 - (void) viewDidAppear:(BOOL)animated {
7376     [super viewDidAppear:animated];
7377     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
7378 }
7379
7380 - (void) viewWillDisappear:(BOOL)animated {
7381     [super viewWillDisappear:animated];
7382     if ([self isEditing]) [self setEditing:NO];
7383 }
7384
7385 - (Section *) sectionAtIndexPath:(NSIndexPath *)indexPath {
7386     Section *section = nil;
7387     int index = [indexPath row];
7388     if (![self isEditing]) {
7389         index -= 1;
7390         if (index >= 0)
7391             section = [filtered_ objectAtIndex:index];
7392     } else {
7393         section = [sections_ objectAtIndex:index];
7394     }
7395     return section;
7396 }
7397
7398 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7399     if ([self isEditing])
7400         return [sections_ count];
7401     else
7402         return [filtered_ count] + 1;
7403 }
7404
7405 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
7406     return 45.0f;
7407 }*/
7408
7409 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7410     static NSString *reuseIdentifier = @"SectionCell";
7411
7412     SectionCell *cell = (SectionCell *)[tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
7413     if (cell == nil)
7414         cell = [[[SectionCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
7415
7416     [cell setSection:[self sectionAtIndexPath:indexPath] editing:[self isEditing]];
7417
7418     return cell;
7419 }
7420
7421 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
7422     if ([self isEditing])
7423         return;
7424
7425     Section *section = [self sectionAtIndexPath:indexPath];
7426
7427     SectionController *controller = [[[SectionController alloc]
7428         initWithDatabase:database_
7429         section:[section name]
7430     ] autorelease];
7431     [controller setDelegate:delegate_];
7432
7433     [[self navigationController] pushViewController:controller animated:YES];
7434 }
7435
7436 - (void) loadView {
7437     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7438
7439     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds]];
7440     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7441     [list_ setRowHeight:45.0f];
7442     [list_ setDataSource:self];
7443     [list_ setDelegate:self];
7444     [[self view] addSubview:list_];
7445 }
7446
7447 - (void) viewDidLoad {
7448     [[self navigationItem] setTitle:UCLocalize("SECTIONS")];
7449 }
7450
7451 - (void) releaseSubviews {
7452     [list_ release];
7453     list_ = nil;
7454 }
7455
7456 - (id) initWithDatabase:(Database *)database {
7457     if ((self = [super init]) != nil) {
7458         database_ = database;
7459
7460         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
7461         filtered_ = [[NSMutableArray arrayWithCapacity:16] retain];
7462     } return self;
7463 }
7464
7465 - (void) reloadData {
7466     [super reloadData];
7467
7468     NSArray *packages = [database_ packages];
7469
7470     [sections_ removeAllObjects];
7471     [filtered_ removeAllObjects];
7472
7473     NSMutableDictionary *sections([NSMutableDictionary dictionaryWithCapacity:32]);
7474
7475     _trace();
7476     for (Package *package in packages) {
7477         NSString *name([package section]);
7478         NSString *key(name == nil ? @"" : name);
7479
7480         Section *section;
7481
7482         _profile(SectionsView$reloadData$Section)
7483             section = [sections objectForKey:key];
7484             if (section == nil) {
7485                 _profile(SectionsView$reloadData$Section$Allocate)
7486                     section = [[[Section alloc] initWithName:key localize:YES] autorelease];
7487                     [sections setObject:section forKey:key];
7488                 _end
7489             }
7490         _end
7491
7492         [section addToCount];
7493
7494         _profile(SectionsView$reloadData$Filter)
7495             if (![package valid] || ![package visible])
7496                 continue;
7497         _end
7498
7499         [section addToRow];
7500     }
7501     _trace();
7502
7503     [sections_ addObjectsFromArray:[sections allValues]];
7504
7505     [sections_ sortUsingSelector:@selector(compareByLocalized:)];
7506
7507     for (Section *section in sections_) {
7508         size_t count([section row]);
7509         if (count == 0)
7510             continue;
7511
7512         section = [[[Section alloc] initWithName:[section name] localized:[section localized]] autorelease];
7513         [section setCount:count];
7514         [filtered_ addObject:section];
7515     }
7516
7517     [self updateNavigationItem];
7518     [list_ reloadData];
7519     _trace();
7520 }
7521
7522 - (void) editButtonClicked {
7523     [self setEditing:![self isEditing] animated:YES];
7524 }
7525
7526 @end
7527 /* }}} */
7528
7529 /* Changes Controller {{{ */
7530 @interface ChangesController : CYViewController <
7531     UITableViewDataSource,
7532     UITableViewDelegate
7533 > {
7534     _transient Database *database_;
7535     unsigned era_;
7536     CFMutableArrayRef packages_;
7537     NSMutableArray *sections_;
7538     UITableView *list_;
7539     unsigned upgrades_;
7540 }
7541
7542 - (id) initWithDatabase:(Database *)database;
7543
7544 @end
7545
7546 @implementation ChangesController
7547
7548 - (void) dealloc {
7549     [self releaseSubviews];
7550     CFRelease(packages_);
7551     [sections_ release];
7552
7553     [super dealloc];
7554 }
7555
7556 - (NSURL *) navigationURL {
7557     return [NSURL URLWithString:@"cydia://changes"];
7558 }
7559
7560 - (void) viewDidAppear:(BOOL)animated {
7561     [super viewDidAppear:animated];
7562     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
7563 }
7564
7565 - (NSInteger) numberOfSectionsInTableView:(UITableView *)list {
7566     NSInteger count([sections_ count]);
7567     return count == 0 ? 1 : count;
7568 }
7569
7570 - (NSString *) tableView:(UITableView *)list titleForHeaderInSection:(NSInteger)section {
7571     if ([sections_ count] == 0)
7572         return nil;
7573     return [[sections_ objectAtIndex:section] name];
7574 }
7575
7576 - (NSInteger) tableView:(UITableView *)list numberOfRowsInSection:(NSInteger)section {
7577     if ([sections_ count] == 0)
7578         return 0;
7579     return [[sections_ objectAtIndex:section] count];
7580 }
7581
7582 - (Package *) packageAtIndex:(NSUInteger)index {
7583     return (Package *) CFArrayGetValueAtIndex(packages_, index);
7584 }
7585
7586 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
7587 @synchronized (database_) {
7588     if ([database_ era] != era_)
7589         return nil;
7590
7591     NSUInteger sectionIndex([path section]);
7592     if (sectionIndex >= [sections_ count])
7593         return nil;
7594     Section *section([sections_ objectAtIndex:sectionIndex]);
7595     NSInteger row([path row]);
7596     return [[[self packageAtIndex:([section row] + row)] retain] autorelease];
7597 } }
7598
7599 - (UITableViewCell *) tableView:(UITableView *)table cellForRowAtIndexPath:(NSIndexPath *)path {
7600     PackageCell *cell((PackageCell *) [table dequeueReusableCellWithIdentifier:@"Package"]);
7601     if (cell == nil)
7602         cell = [[[PackageCell alloc] init] autorelease];
7603     [cell setPackage:[self packageAtIndexPath:path]];
7604     return cell;
7605 }
7606
7607 - (NSIndexPath *) tableView:(UITableView *)table willSelectRowAtIndexPath:(NSIndexPath *)path {
7608     Package *package([self packageAtIndexPath:path]);
7609     CYPackageController *view([[[CYPackageController alloc] initWithDatabase:database_ forPackage:[package id]] autorelease]);
7610     [view setDelegate:delegate_];
7611     [[self navigationController] pushViewController:view animated:YES];
7612     return path;
7613 }
7614
7615 - (void) refreshButtonClicked {
7616     [delegate_ beginUpdate];
7617     [[self navigationItem] setLeftBarButtonItem:nil animated:YES];
7618 }
7619
7620 - (void) upgradeButtonClicked {
7621     [delegate_ distUpgrade];
7622 }
7623
7624 - (void) loadView {
7625     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7626
7627     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain];
7628     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7629     [list_ setRowHeight:73];
7630     [list_ setDataSource:self];
7631     [list_ setDelegate:self];
7632     [[self view] addSubview:list_];
7633 }
7634
7635 - (void) viewDidLoad {
7636     [[self navigationItem] setTitle:UCLocalize("CHANGES")];
7637 }
7638
7639 - (void) releaseSubviews {
7640     [list_ release];
7641     list_ = nil;
7642 }
7643
7644 - (id) initWithDatabase:(Database *)database {
7645     if ((self = [super init]) != nil) {
7646         database_ = database;
7647
7648         packages_ = CFArrayCreateMutable(kCFAllocatorDefault, 0, NULL);
7649         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
7650     } return self;
7651 }
7652
7653 // this mostly works because reloadData (below) is @synchronized (database_)
7654 // XXX: that said, I've been running into problems with NSRangeExceptions :(
7655 - (void) _reloadPackages:(NSArray *)packages {
7656     CFRelease(packages_);
7657     packages_ = CFArrayCreateMutable(kCFAllocatorDefault, [packages count], NULL);
7658
7659     _trace();
7660     _profile(ChangesController$_reloadPackages$Filter)
7661         for (Package *package in packages)
7662             if ([package upgradableAndEssential:YES] || [package visible])
7663                 CFArrayAppendValue(packages_, package);
7664     _end
7665     _trace();
7666     _profile(ChangesController$_reloadPackages$radixSort)
7667         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackageChangesRadix) withContext:NULL];
7668     _end
7669     _trace();
7670 }
7671
7672 - (void) _reloadData {
7673 @synchronized (database_) {
7674     era_ = [database_ era];
7675     NSArray *packages = [database_ packages];
7676
7677     [sections_ removeAllObjects];
7678
7679 #if 1
7680     UIProgressHUD *hud([delegate_ addProgressHUD]);
7681     [hud setText:UCLocalize("LOADING")];
7682     //NSLog(@"HUD:%@::%@", delegate_, hud);
7683     [self yieldToSelector:@selector(_reloadPackages:) withObject:packages];
7684     [delegate_ removeProgressHUD:hud];
7685 #else
7686     [self _reloadPackages:packages];
7687 #endif
7688
7689     Section *upgradable = [[[Section alloc] initWithName:UCLocalize("AVAILABLE_UPGRADES") localize:NO] autorelease];
7690     Section *ignored = nil;
7691     Section *section = nil;
7692     time_t last = 0;
7693
7694     upgrades_ = 0;
7695     bool unseens = false;
7696
7697     CFDateFormatterRef formatter(CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle));
7698
7699     for (size_t offset = 0, count = CFArrayGetCount(packages_); offset != count; ++offset) {
7700         Package *package = [self packageAtIndex:offset];
7701
7702         BOOL uae = [package upgradableAndEssential:YES];
7703
7704         if (!uae) {
7705             unseens = true;
7706             time_t seen([package seen]);
7707
7708             if (section == nil || last != seen) {
7709                 last = seen;
7710
7711                 NSString *name;
7712                 name = (NSString *) CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) [NSDate dateWithTimeIntervalSince1970:seen]);
7713                 [name autorelease];
7714
7715                 _profile(ChangesController$reloadData$Allocate)
7716                     name = [NSString stringWithFormat:UCLocalize("NEW_AT"), name];
7717                     section = [[[Section alloc] initWithName:name row:offset localize:NO] autorelease];
7718                     [sections_ addObject:section];
7719                 _end
7720             }
7721
7722             [section addToCount];
7723         } else if ([package ignored]) {
7724             if (ignored == nil) {
7725                 ignored = [[[Section alloc] initWithName:UCLocalize("IGNORED_UPGRADES") row:offset localize:NO] autorelease];
7726             }
7727             [ignored addToCount];
7728         } else {
7729             ++upgrades_;
7730             [upgradable addToCount];
7731         }
7732     }
7733     _trace();
7734
7735     CFRelease(formatter);
7736
7737     if (unseens) {
7738         Section *last = [sections_ lastObject];
7739         size_t count = [last count];
7740         CFArrayReplaceValues(packages_, CFRangeMake(CFArrayGetCount(packages_) - count, count), NULL, 0);
7741         [sections_ removeLastObject];
7742     }
7743
7744     if ([ignored count] != 0)
7745         [sections_ insertObject:ignored atIndex:0];
7746     if (upgrades_ != 0)
7747         [sections_ insertObject:upgradable atIndex:0];
7748
7749     [list_ reloadData];
7750
7751     if (upgrades_ > 0)
7752         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
7753             initWithTitle:[NSString stringWithFormat:UCLocalize("PARENTHETICAL"), UCLocalize("UPGRADE"), [NSString stringWithFormat:@"%u", upgrades_]]
7754             style:UIBarButtonItemStylePlain
7755             target:self
7756             action:@selector(upgradeButtonClicked)
7757         ] autorelease]];
7758
7759     if (![delegate_ updating])
7760         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
7761             initWithTitle:UCLocalize("REFRESH")
7762             style:UIBarButtonItemStylePlain
7763             target:self
7764             action:@selector(refreshButtonClicked)
7765         ] autorelease]];
7766
7767     PrintTimes();
7768 } }
7769
7770 - (void) reloadData {
7771     [super reloadData];
7772     [self performSelector:@selector(_reloadData) withObject:nil afterDelay:0];
7773 }
7774
7775 @end
7776 /* }}} */
7777 /* Search Controller {{{ */
7778 @interface SearchController : FilteredPackageListController <
7779     UISearchBarDelegate
7780 > {
7781     _H<UISearchBar> search_;
7782     BOOL searchloaded_;
7783 }
7784
7785 - (id) initWithDatabase:(Database *)database;
7786 - (void) setSearchTerm:(NSString *)term;
7787 - (void) reloadData;
7788
7789 @end
7790
7791 @implementation SearchController
7792
7793 - (void) dealloc {
7794     [search_ setDelegate:nil];
7795     [super dealloc];
7796 }
7797
7798 - (NSURL *) navigationURL {
7799     if ([search_ text] == nil || [[search_ text] isEqualToString:@""])
7800         return [NSURL URLWithString:@"cydia://search"];
7801     else
7802         return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://search/%@", [search_ text]]];
7803 }
7804
7805 - (void) setSearchTerm:(NSString *)searchTerm {
7806     [search_ setText:searchTerm];
7807     [self reloadData];
7808 }
7809
7810 - (void) searchBarSearchButtonClicked:(UISearchBar *)searchBar {
7811     [self setObject:[search_ text] forFilter:@selector(isUnfilteredAndSearchedForBy:)];
7812     [search_ resignFirstResponder];
7813     [self reloadData];
7814 }
7815
7816 - (void) searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)text {
7817     [self setObject:text forFilter:@selector(isUnfilteredAndSelectedForBy:)];
7818     [self reloadData];
7819 }
7820
7821 - (id) initWithDatabase:(Database *)database {
7822     if ((self = [super initWithDatabase:database title:UCLocalize("SEARCH") filter:@selector(isUnfilteredAndSearchedForBy:) with:nil])) {
7823         search_ = [[[UISearchBar alloc] init] autorelease];
7824         [search_ setDelegate:self];
7825     } return self;
7826 }
7827
7828 - (void) viewDidAppear:(BOOL)animated {
7829     [super viewDidAppear:animated];
7830
7831     if (!searchloaded_) {
7832         searchloaded_ = YES;
7833         [search_ setFrame:CGRectMake(0, 0, [[self view] bounds].size.width, 44.0f)];
7834         [search_ layoutSubviews];
7835         [search_ setPlaceholder:UCLocalize("SEARCH_EX")];
7836
7837         UITextField *textField;
7838         if ([search_ respondsToSelector:@selector(searchField)])
7839             textField = [search_ searchField];
7840         else
7841             textField = MSHookIvar<UITextField *>(search_, "_searchField");
7842
7843         [textField setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
7844         [textField setEnablesReturnKeyAutomatically:NO];
7845         [[self navigationItem] setTitleView:textField];
7846     }
7847 }
7848
7849 - (void) reloadData {
7850     [self setObject:[search_ text]];
7851     [self resetCursor];
7852
7853     [super reloadData];
7854 }
7855
7856 - (void) didSelectPackage:(Package *)package {
7857     [search_ resignFirstResponder];
7858     [super didSelectPackage:package];
7859 }
7860
7861 @end
7862 /* }}} */
7863 /* Package Settings Controller {{{ */
7864 @interface PackageSettingsController : CYViewController <
7865     UITableViewDataSource,
7866     UITableViewDelegate
7867 > {
7868     _transient Database *database_;
7869     NSString *name_;
7870     Package *package_;
7871     UITableView *table_;
7872     UISwitch *subscribedSwitch_;
7873     UISwitch *ignoredSwitch_;
7874     UITableViewCell *subscribedCell_;
7875     UITableViewCell *ignoredCell_;
7876 }
7877
7878 - (id) initWithDatabase:(Database *)database package:(NSString *)package;
7879
7880 @end
7881
7882 @implementation PackageSettingsController
7883
7884 - (void) dealloc {
7885     [self releaseSubviews];
7886     [name_ release];
7887     [package_ release];
7888
7889     [super dealloc];
7890 }
7891
7892 - (NSURL *) navigationURL {
7893     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/settings", [package_ id]]];
7894 }
7895
7896 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
7897     if (package_ == nil)
7898         return 0;
7899
7900     if ([package_ installed] == nil)
7901         return 1;
7902     else
7903         return 2;
7904 }
7905
7906 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7907     if (package_ == nil)
7908         return 0;
7909
7910     // both sections contain just one item right now.
7911     return 1;
7912 }
7913
7914 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
7915     return nil;
7916 }
7917
7918 - (NSString *) tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
7919     if (section == 0)
7920         return UCLocalize("SHOW_ALL_CHANGES_EX");
7921     else
7922         return UCLocalize("IGNORE_UPGRADES_EX");
7923 }
7924
7925 - (void) onSubscribed:(id)control {
7926     bool value([control isOn]);
7927     if (package_ == nil)
7928         return;
7929     if ([package_ setSubscribed:value])
7930         [delegate_ updateData];
7931 }
7932
7933 - (void) _updateIgnored {
7934     const char *package([name_ UTF8String]);
7935     bool on([ignoredSwitch_ isOn]);
7936
7937     pid_t pid(ExecFork());
7938     if (pid == 0) {
7939         FILE *dpkg(popen("dpkg --set-selections", "w"));
7940         fwrite(package, strlen(package), 1, dpkg);
7941
7942         if (on)
7943             fwrite(" hold\n", 6, 1, dpkg);
7944         else
7945             fwrite(" install\n", 9, 1, dpkg);
7946
7947         pclose(dpkg);
7948
7949         exit(0);
7950         _assert(false);
7951     }
7952
7953     _forever {
7954         int status;
7955         int result(waitpid(pid, &status, 0));
7956
7957         if (result != -1) {
7958             _assert(result == pid);
7959             break;
7960         }
7961     }
7962 }
7963
7964 - (void) onIgnored:(id)control {
7965     NSInvocation *invocation([NSInvocation invocationWithMethodSignature:[self methodSignatureForSelector:@selector(_updateIgnored)]]);
7966     [invocation setTarget:self];
7967     [invocation setSelector:@selector(_updateIgnored)];
7968
7969     [delegate_ reloadDataWithInvocation:invocation];
7970 }
7971
7972 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7973     if (package_ == nil)
7974         return nil;
7975
7976     switch ([indexPath section]) {
7977         case 0: return subscribedCell_;
7978         case 1: return ignoredCell_;
7979
7980         _nodefault
7981     }
7982
7983     return nil;
7984 }
7985
7986 - (void) loadView {
7987     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7988
7989     table_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped];
7990     [table_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7991     [table_ setDataSource:self];
7992     [table_ setDelegate:self];
7993     [[self view] addSubview:table_];
7994
7995     subscribedSwitch_ = [[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)];
7996     [subscribedSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
7997     [subscribedSwitch_ addTarget:self action:@selector(onSubscribed:) forEvents:UIControlEventValueChanged];
7998
7999     ignoredSwitch_ = [[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)];
8000     [ignoredSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
8001     [ignoredSwitch_ addTarget:self action:@selector(onIgnored:) forEvents:UIControlEventValueChanged];
8002
8003     subscribedCell_ = [[UITableViewCell alloc] init];
8004     [subscribedCell_ setText:UCLocalize("SHOW_ALL_CHANGES")];
8005     [subscribedCell_ setAccessoryView:subscribedSwitch_];
8006     [subscribedCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
8007
8008     ignoredCell_ = [[UITableViewCell alloc] init];
8009     [ignoredCell_ setText:UCLocalize("IGNORE_UPGRADES")];
8010     [ignoredCell_ setAccessoryView:ignoredSwitch_];
8011     [ignoredCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
8012 }
8013
8014 - (void) viewDidLoad {
8015     [[self navigationItem] setTitle:UCLocalize("SETTINGS")];
8016 }
8017
8018 - (void) releaseSubviews {
8019     [ignoredCell_ release];
8020     ignoredCell_ = nil;
8021
8022     [subscribedCell_ release];
8023     subscribedCell_ = nil;
8024
8025     [table_ release];
8026     table_ = nil;
8027
8028     [ignoredSwitch_ release];
8029     ignoredSwitch_ = nil;
8030
8031     [subscribedSwitch_ release];
8032     subscribedSwitch_ = nil;
8033 }
8034
8035 - (id) initWithDatabase:(Database *)database package:(NSString *)package {
8036     if ((self = [super init]) != nil) {
8037         database_ = database;
8038         name_ = [package retain];
8039     } return self;
8040 }
8041
8042 - (void) reloadData {
8043     [super reloadData];
8044
8045     if (package_ != nil)
8046         [package_ autorelease];
8047     package_ = [database_ packageWithName:name_];
8048
8049     if (package_ != nil) {
8050         package_ = [package_ retain];
8051         [subscribedSwitch_ setOn:([package_ subscribed] ? 1 : 0) animated:NO];
8052         [ignoredSwitch_ setOn:([package_ ignored] ? 1 : 0) animated:NO];
8053     } // XXX: what now, G?
8054
8055     [table_ reloadData];
8056 }
8057
8058 @end
8059 /* }}} */
8060
8061 /* Installed Controller {{{ */
8062 @interface InstalledController : FilteredPackageListController {
8063     BOOL expert_;
8064 }
8065
8066 - (id) initWithDatabase:(Database *)database;
8067
8068 - (void) updateRoleButton;
8069 - (void) queueStatusDidChange;
8070
8071 @end
8072
8073 @implementation InstalledController
8074
8075 - (void) dealloc {
8076     [super dealloc];
8077 }
8078
8079 - (NSURL *) navigationURL {
8080     return [NSURL URLWithString:@"cydia://installed"];
8081 }
8082
8083 - (id) initWithDatabase:(Database *)database {
8084     if ((self = [super initWithDatabase:database title:UCLocalize("INSTALLED") filter:@selector(isInstalledAndUnfiltered:) with:[NSNumber numberWithBool:YES]]) != nil) {
8085         [self updateRoleButton];
8086         [self queueStatusDidChange];
8087     } return self;
8088 }
8089
8090 #if !AlwaysReload
8091 - (void) queueButtonClicked {
8092     [delegate_ queue];
8093 }
8094 #endif
8095
8096 - (void) queueStatusDidChange {
8097 #if !AlwaysReload
8098     if (IsWildcat_) {
8099         if (Queuing_) {
8100             [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
8101                 initWithTitle:UCLocalize("QUEUE")
8102                 style:UIBarButtonItemStyleDone
8103                 target:self
8104                 action:@selector(queueButtonClicked)
8105             ] autorelease]];
8106         } else {
8107             [[self navigationItem] setLeftBarButtonItem:nil];
8108         }
8109     }
8110 #endif
8111 }
8112
8113 - (void) updateRoleButton {
8114     if (Role_ != nil && ![Role_ isEqualToString:@"Developer"])
8115         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8116             initWithTitle:(expert_ ? UCLocalize("EXPERT") : UCLocalize("SIMPLE"))
8117             style:(expert_ ? UIBarButtonItemStyleDone : UIBarButtonItemStylePlain)
8118             target:self
8119             action:@selector(roleButtonClicked)
8120         ] autorelease]];
8121 }
8122
8123 - (void) roleButtonClicked {
8124     [self setObject:[NSNumber numberWithBool:expert_]];
8125     [self reloadData];
8126     expert_ = !expert_;
8127
8128     [self updateRoleButton];
8129 }
8130
8131 @end
8132 /* }}} */
8133
8134 /* Source Cell {{{ */
8135 @interface SourceCell : CYTableViewCell <
8136     ContentDelegate
8137 > {
8138     UIImage *icon_;
8139     NSString *origin_;
8140     NSString *label_;
8141 }
8142
8143 - (void) setSource:(Source *)source;
8144
8145 @end
8146
8147 @implementation SourceCell
8148
8149 - (void) clearSource {
8150     [icon_ release];
8151     [origin_ release];
8152     [label_ release];
8153
8154     icon_ = nil;
8155     origin_ = nil;
8156     label_ = nil;
8157 }
8158
8159 - (void) setSource:(Source *)source {
8160     [self clearSource];
8161
8162     if (icon_ == nil)
8163         icon_ = [UIImage applicationImageNamed:[NSString stringWithFormat:@"Sources/%@.png", [source host]]];
8164     if (icon_ == nil)
8165         icon_ = [UIImage applicationImageNamed:@"unknown.png"];
8166     icon_ = [icon_ retain];
8167
8168     origin_ = [[source name] retain];
8169     label_ = [[source uri] retain];
8170
8171     [content_ setNeedsDisplay];
8172 }
8173
8174 - (void) dealloc {
8175     [self clearSource];
8176     [super dealloc];
8177 }
8178
8179 - (SourceCell *) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
8180     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
8181         UIView *content([self contentView]);
8182         CGRect bounds([content bounds]);
8183
8184         content_ = [[ContentView alloc] initWithFrame:bounds];
8185         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8186         [content_ setBackgroundColor:[UIColor whiteColor]];
8187         [content addSubview:content_];
8188
8189         [content_ setDelegate:self];
8190         [content_ setOpaque:YES];
8191     } return self;
8192 }
8193
8194 - (NSString *) accessibilityLabel {
8195     return label_;
8196 }
8197
8198 - (void) drawContentRect:(CGRect)rect {
8199     bool highlighted(highlighted_);
8200     float width(rect.size.width);
8201
8202     if (icon_ != nil)
8203         [icon_ drawInRect:CGRectMake(10, 10, 30, 30)];
8204
8205     if (highlighted)
8206         UISetColor(White_);
8207
8208     if (!highlighted)
8209         UISetColor(Black_);
8210     [origin_ drawAtPoint:CGPointMake(48, 8) forWidth:(width - 80) withFont:Font18Bold_ lineBreakMode:UILineBreakModeTailTruncation];
8211
8212     if (!highlighted)
8213         UISetColor(Blue_);
8214     [label_ drawAtPoint:CGPointMake(58, 29) forWidth:(width - 95) withFont:Font12_ lineBreakMode:UILineBreakModeTailTruncation];
8215 }
8216
8217 @end
8218 /* }}} */
8219 /* Source Controller {{{ */
8220 @interface SourceController : FilteredPackageListController {
8221     _transient Source *source_;
8222     NSString *key_;
8223 }
8224
8225 - (id) initWithDatabase:(Database *)database source:(Source *)source;
8226
8227 @end
8228
8229 @implementation SourceController
8230
8231 - (NSURL *) navigationURL {
8232     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sources/%@", [source_ name]]];
8233 }
8234
8235 - (id) initWithDatabase:(Database *)database source:(Source *)source {
8236     if ((self = [super initWithDatabase:database title:[source label] filter:@selector(isVisibleInSource:) with:source]) != nil) {
8237         source_ = source;
8238         key_ = [[source key] retain];
8239     } return self;
8240 }
8241
8242 - (void) reloadData {
8243     source_ = [database_ sourceWithKey:key_];
8244     [key_ release];
8245     key_ = [[source_ key] retain];
8246     [self setObject:source_];
8247
8248     [[self navigationItem] setTitle:[source_ label]];
8249
8250     [super reloadData];
8251 }
8252
8253 @end
8254 /* }}} */
8255 /* Sources Controller {{{ */
8256 @interface SourcesController : CYViewController <
8257     UITableViewDataSource,
8258     UITableViewDelegate
8259 > {
8260     _transient Database *database_;
8261     UITableView *list_;
8262     NSMutableArray *sources_;
8263     int offset_;
8264
8265     NSString *href_;
8266     UIProgressHUD *hud_;
8267     NSError *error_;
8268
8269     //NSURLConnection *installer_;
8270     NSURLConnection *trivial_;
8271     NSURLConnection *trivial_bz2_;
8272     NSURLConnection *trivial_gz_;
8273     //NSURLConnection *automatic_;
8274
8275     BOOL cydia_;
8276 }
8277
8278 - (id) initWithDatabase:(Database *)database;
8279 - (void) updateButtonsForEditingStatus:(BOOL)editing animated:(BOOL)animated;
8280
8281 @end
8282
8283 @implementation SourcesController
8284
8285 - (void) _releaseConnection:(NSURLConnection *)connection {
8286     if (connection != nil) {
8287         [connection cancel];
8288         //[connection setDelegate:nil];
8289         [connection release];
8290     }
8291 }
8292
8293 - (void) dealloc {
8294     [self releaseSubviews];
8295
8296     [href_ release];
8297     [hud_ release];
8298     [error_ release];
8299
8300     //[self _releaseConnection:installer_];
8301     [self _releaseConnection:trivial_];
8302     [self _releaseConnection:trivial_gz_];
8303     [self _releaseConnection:trivial_bz2_];
8304     //[self _releaseConnection:automatic_];
8305
8306     [sources_ release];
8307     [super dealloc];
8308 }
8309
8310 - (NSURL *) navigationURL {
8311     return [NSURL URLWithString:@"cydia://sources"];
8312 }
8313
8314 - (void) viewDidAppear:(BOOL)animated {
8315     [super viewDidAppear:animated];
8316     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
8317 }
8318
8319 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
8320     return offset_ == 0 ? 1 : 2;
8321 }
8322
8323 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
8324     switch (section + (offset_ == 0 ? 1 : 0)) {
8325         case 0: return UCLocalize("ENTERED_BY_USER");
8326         case 1: return UCLocalize("INSTALLED_BY_PACKAGE");
8327
8328         _nodefault
8329     }
8330 }
8331
8332 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
8333     int count = [sources_ count];
8334     switch (section) {
8335         case 0: return (offset_ == 0 ? count : offset_);
8336         case 1: return count - offset_;
8337
8338         _nodefault
8339     }
8340 }
8341
8342 - (Source *) sourceAtIndexPath:(NSIndexPath *)indexPath {
8343     unsigned idx = 0;
8344     switch (indexPath.section) {
8345         case 0: idx = indexPath.row; break;
8346         case 1: idx = indexPath.row + offset_; break;
8347
8348         _nodefault
8349     }
8350     return [sources_ objectAtIndex:idx];
8351 }
8352
8353 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
8354     static NSString *cellIdentifier = @"SourceCell";
8355
8356     SourceCell *cell = (SourceCell *) [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
8357     if(cell == nil) cell = [[[SourceCell alloc] initWithFrame:CGRectZero reuseIdentifier:cellIdentifier] autorelease];
8358     [cell setSource:[self sourceAtIndexPath:indexPath]];
8359     [cell setAccessoryType:UITableViewCellAccessoryDisclosureIndicator];
8360
8361     return cell;
8362 }
8363
8364 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
8365     Source *source = [self sourceAtIndexPath:indexPath];
8366
8367     SourceController *controller = [[[SourceController alloc]
8368         initWithDatabase:database_
8369         source:source
8370     ] autorelease];
8371
8372     [controller setDelegate:delegate_];
8373
8374     [[self navigationController] pushViewController:controller animated:YES];
8375 }
8376
8377 - (BOOL) tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
8378     Source *source = [self sourceAtIndexPath:indexPath];
8379     return [source record] != nil;
8380 }
8381
8382 - (void) tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
8383     Source *source = [self sourceAtIndexPath:indexPath];
8384     [Sources_ removeObjectForKey:[source key]];
8385     [delegate_ syncData];
8386 }
8387
8388 - (void) complete {
8389     [delegate_ addTrivialSource:href_];
8390     [delegate_ syncData];
8391 }
8392
8393 - (NSString *) getWarning {
8394     NSString *href(href_);
8395     NSRange colon([href rangeOfString:@"://"]);
8396     if (colon.location != NSNotFound)
8397         href = [href substringFromIndex:(colon.location + 3)];
8398     href = [href stringByAddingPercentEscapes];
8399     href = [CydiaURL(@"api/repotag/") stringByAppendingString:href];
8400     href = [href stringByCachingURLWithCurrentCDN];
8401
8402     NSURL *url([NSURL URLWithString:href]);
8403
8404     NSStringEncoding encoding;
8405     NSError *error(nil);
8406
8407     if (NSString *warning = [NSString stringWithContentsOfURL:url usedEncoding:&encoding error:&error])
8408         return [warning length] == 0 ? nil : warning;
8409     return nil;
8410 }
8411
8412 - (void) _endConnection:(NSURLConnection *)connection {
8413     // XXX: the memory management in this method is horribly awkward
8414
8415     NSURLConnection **field = NULL;
8416     if (connection == trivial_)
8417         field = &trivial_;
8418     else if (connection == trivial_bz2_)
8419         field = &trivial_bz2_;
8420     else if (connection == trivial_gz_)
8421         field = &trivial_gz_;
8422     _assert(field != NULL);
8423     [connection release];
8424     *field = nil;
8425
8426     if (
8427         trivial_ == nil &&
8428         trivial_bz2_ == nil &&
8429         trivial_gz_ == nil
8430     ) {
8431         bool defer(false);
8432
8433         if (cydia_) {
8434             if (NSString *warning = [self yieldToSelector:@selector(getWarning)]) {
8435                 defer = true;
8436
8437                 UIAlertView *alert = [[[UIAlertView alloc]
8438                     initWithTitle:UCLocalize("SOURCE_WARNING")
8439                     message:warning
8440                     delegate:self
8441                     cancelButtonTitle:UCLocalize("CANCEL")
8442                     otherButtonTitles:
8443                         UCLocalize("ADD_ANYWAY"),
8444                     nil
8445                 ] autorelease];
8446
8447                 [alert setContext:@"warning"];
8448                 [alert setNumberOfRows:1];
8449                 [alert show];
8450             } else
8451                 [self complete];
8452         } else if (error_ != nil) {
8453             UIAlertView *alert = [[[UIAlertView alloc]
8454                 initWithTitle:UCLocalize("VERIFICATION_ERROR")
8455                 message:[error_ localizedDescription]
8456                 delegate:self
8457                 cancelButtonTitle:UCLocalize("OK")
8458                 otherButtonTitles:nil
8459             ] autorelease];
8460
8461             [alert setContext:@"urlerror"];
8462             [alert show];
8463         } else {
8464             UIAlertView *alert = [[[UIAlertView alloc]
8465                 initWithTitle:UCLocalize("NOT_REPOSITORY")
8466                 message:UCLocalize("NOT_REPOSITORY_EX")
8467                 delegate:self
8468                 cancelButtonTitle:UCLocalize("OK")
8469                 otherButtonTitles:nil
8470             ] autorelease];
8471
8472             [alert setContext:@"trivial"];
8473             [alert show];
8474         }
8475
8476         [delegate_ releaseNetworkActivityIndicator];
8477
8478         [delegate_ removeProgressHUD:hud_];
8479         [hud_ autorelease];
8480         hud_ = nil;
8481
8482         if (!defer) {
8483             [href_ release];
8484             href_ = nil;
8485         }
8486
8487         if (error_ != nil) {
8488             [error_ release];
8489             error_ = nil;
8490         }
8491     }
8492 }
8493
8494 - (void) connection:(NSURLConnection *)connection didReceiveResponse:(NSHTTPURLResponse *)response {
8495     switch ([response statusCode]) {
8496         case 200:
8497             cydia_ = YES;
8498     }
8499 }
8500
8501 - (void) connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
8502     lprintf("connection:\"%s\" didFailWithError:\"%s\"", [href_ UTF8String], [[error localizedDescription] UTF8String]);
8503     if (error_ != nil)
8504         error_ = [error retain];
8505     [self _endConnection:connection];
8506 }
8507
8508 - (void) connectionDidFinishLoading:(NSURLConnection *)connection {
8509     [self _endConnection:connection];
8510 }
8511
8512 - (NSURLConnection *) _requestHRef:(NSString *)href method:(NSString *)method {
8513     NSMutableURLRequest *request = [NSMutableURLRequest
8514         requestWithURL:[NSURL URLWithString:href]
8515         cachePolicy:NSURLRequestUseProtocolCachePolicy
8516         timeoutInterval:120.0
8517     ];
8518
8519     [request setHTTPMethod:method];
8520
8521     if (Machine_ != NULL)
8522         [request setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
8523     if (UniqueID_ != nil)
8524         [request setValue:UniqueID_ forHTTPHeaderField:@"X-Unique-ID"];
8525
8526     return [[[NSURLConnection alloc] initWithRequest:request delegate:self] autorelease];
8527 }
8528
8529 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
8530     NSString *context([alert context]);
8531
8532     if ([context isEqualToString:@"source"]) {
8533         switch (button) {
8534             case 1: {
8535                 NSString *href = [[alert textField] text];
8536
8537                 //installer_ = [[self _requestHRef:href method:@"GET"] retain];
8538
8539                 if (![href hasSuffix:@"/"])
8540                     href_ = [href stringByAppendingString:@"/"];
8541                 else
8542                     href_ = href;
8543                 href_ = [href_ retain];
8544
8545                 trivial_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages"] method:@"HEAD"] retain];
8546                 trivial_bz2_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.bz2"] method:@"HEAD"] retain];
8547                 trivial_gz_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.gz"] method:@"HEAD"] retain];
8548                 //trivial_bz2_ = [[self _requestHRef:[href stringByAppendingString:@"dists/Release"] method:@"HEAD"] retain];
8549
8550                 cydia_ = false;
8551
8552                 // XXX: this is stupid
8553                 hud_ = [[delegate_ addProgressHUD] retain];
8554                 [hud_ setText:UCLocalize("VERIFYING_URL")];
8555                 [delegate_ retainNetworkActivityIndicator];
8556             } break;
8557
8558             case 0:
8559             break;
8560
8561             _nodefault
8562         }
8563
8564         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8565     } else if ([context isEqualToString:@"trivial"])
8566         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8567     else if ([context isEqualToString:@"urlerror"])
8568         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8569     else if ([context isEqualToString:@"warning"]) {
8570         switch (button) {
8571             case 1:
8572                 [self complete];
8573             break;
8574
8575             case 0:
8576             break;
8577
8578             _nodefault
8579         }
8580
8581         [href_ release];
8582         href_ = nil;
8583
8584         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8585     }
8586 }
8587
8588 - (void) loadView {
8589     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8590
8591     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain];
8592     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8593     [list_ setRowHeight:56];
8594     [list_ setDataSource:self];
8595     [list_ setDelegate:self];
8596     [[self view] addSubview:list_];
8597 }
8598
8599 - (void) viewDidLoad {
8600     [[self navigationItem] setTitle:UCLocalize("SOURCES")];
8601     [self updateButtonsForEditingStatus:NO animated:NO];
8602 }
8603
8604 - (void) releaseSubviews {
8605     [list_ release];
8606     list_ = nil;
8607 }
8608
8609 - (id) initWithDatabase:(Database *)database {
8610     if ((self = [super init]) != nil) {
8611         database_ = database;
8612         sources_ = [[NSMutableArray arrayWithCapacity:16] retain];
8613     } return self;
8614 }
8615
8616 - (void) reloadData {
8617     [super reloadData];
8618
8619     pkgSourceList list;
8620     if ([database_ popErrorWithTitle:UCLocalize("SOURCES") forOperation:list.ReadMainList()])
8621         return;
8622
8623     [sources_ removeAllObjects];
8624     [sources_ addObjectsFromArray:[database_ sources]];
8625     _trace();
8626     [sources_ sortUsingSelector:@selector(compareByNameAndType:)];
8627     _trace();
8628
8629     int count([sources_ count]);
8630     offset_ = 0;
8631     for (int i = 0; i != count; i++) {
8632         if ([[sources_ objectAtIndex:i] record] == nil)
8633             break;
8634         offset_++;
8635     }
8636
8637     [list_ setEditing:NO];
8638     [self updateButtonsForEditingStatus:NO animated:NO];
8639     [list_ reloadData];
8640 }
8641
8642 - (void) showAddSourcePrompt {
8643     UIAlertView *alert = [[[UIAlertView alloc]
8644         initWithTitle:UCLocalize("ENTER_APT_URL")
8645         message:nil
8646         delegate:self
8647         cancelButtonTitle:UCLocalize("CANCEL")
8648         otherButtonTitles:
8649             UCLocalize("ADD_SOURCE"),
8650         nil
8651     ] autorelease];
8652
8653     [alert setContext:@"source"];
8654     [alert setTransform:CGAffineTransformTranslate([alert transform], 0.0, 100.0)];
8655
8656     [alert setNumberOfRows:1];
8657     [alert addTextFieldWithValue:@"http://" label:@""];
8658
8659     UITextInputTraits *traits = [[alert textField] textInputTraits];
8660     [traits setAutocapitalizationType:UITextAutocapitalizationTypeNone];
8661     [traits setAutocorrectionType:UITextAutocorrectionTypeNo];
8662     [traits setKeyboardType:UIKeyboardTypeURL];
8663     // XXX: UIReturnKeyDone
8664     [traits setReturnKeyType:UIReturnKeyNext];
8665
8666     [alert show];
8667 }
8668
8669 - (void) addButtonClicked {
8670     [self showAddSourcePrompt];
8671 }
8672
8673 - (void) updateButtonsForEditingStatus:(BOOL)editing animated:(BOOL)animated {
8674     [[self navigationItem] setLeftBarButtonItem:(editing ? [[[UIBarButtonItem alloc]
8675         initWithTitle:UCLocalize("ADD")
8676         style:UIBarButtonItemStylePlain
8677         target:self
8678         action:@selector(addButtonClicked)
8679     ] autorelease] : [[self navigationItem] backBarButtonItem]) animated:animated];
8680
8681     [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8682         initWithTitle:(editing ? UCLocalize("DONE") : UCLocalize("EDIT"))
8683         style:(editing ? UIBarButtonItemStyleDone : UIBarButtonItemStylePlain)
8684         target:self
8685         action:@selector(editButtonClicked)
8686     ] autorelease] animated:animated];
8687
8688     if (IsWildcat_ && !editing)
8689         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
8690             initWithTitle:UCLocalize("SETTINGS")
8691             style:UIBarButtonItemStylePlain
8692             target:self
8693             action:@selector(settingsButtonClicked)
8694         ] autorelease]];
8695 }
8696
8697 - (void) settingsButtonClicked {
8698     [delegate_ showSettings];
8699 }
8700
8701 - (void) editButtonClicked {
8702     [list_ setEditing:![list_ isEditing] animated:YES];
8703
8704     [self updateButtonsForEditingStatus:[list_ isEditing] animated:YES];
8705 }
8706
8707 @end
8708 /* }}} */
8709
8710 /* Settings Controller {{{ */
8711 @interface SettingsController : CYViewController <
8712     UITableViewDataSource,
8713     UITableViewDelegate
8714 > {
8715     _transient Database *database_;
8716     // XXX: ok, "roledelegate_"?...
8717     _transient id roledelegate_;
8718     UITableView *table_;
8719     UISegmentedControl *segment_;
8720     UIView *container_;
8721 }
8722
8723 - (void) showDoneButton;
8724 - (void) resizeSegmentedControl;
8725
8726 @end
8727
8728 @implementation SettingsController
8729
8730 - (void) dealloc {
8731     [self releaseSubviews];
8732
8733     [super dealloc];
8734 }
8735
8736 - (void) loadView {
8737     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8738
8739     table_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped];
8740     [table_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8741     [table_ setDelegate:self];
8742     [table_ setDataSource:self];
8743     [[self view] addSubview:table_];
8744
8745     NSArray *items = [NSArray arrayWithObjects:
8746         UCLocalize("USER"),
8747         UCLocalize("HACKER"),
8748         UCLocalize("DEVELOPER"),
8749     nil];
8750     segment_ = [[UISegmentedControl alloc] initWithItems:items];
8751     container_ = [[UIView alloc] initWithFrame:CGRectMake(0, 0, [[self view] frame].size.width, 44.0f)];
8752     [container_ addSubview:segment_];
8753 }
8754
8755 - (void) viewDidLoad {
8756     [[self navigationItem] setTitle:UCLocalize("WHO_ARE_YOU")];
8757
8758     int index = -1;
8759     if ([Role_ isEqualToString:@"User"]) index = 0;
8760     if ([Role_ isEqualToString:@"Hacker"]) index = 1;
8761     if ([Role_ isEqualToString:@"Developer"]) index = 2;
8762     if (index != -1) {
8763         [segment_ setSelectedSegmentIndex:index];
8764         [self showDoneButton];
8765     }
8766
8767     [segment_ addTarget:self action:@selector(segmentChanged:) forControlEvents:UIControlEventValueChanged];
8768     [self resizeSegmentedControl];
8769 }
8770
8771 - (void) releaseSubviews {
8772     [table_ release];
8773     table_ = nil;
8774
8775     [segment_ release];
8776     segment_ = nil;
8777
8778     [container_ release];
8779     container_ = nil;
8780 }
8781
8782 - (id) initWithDatabase:(Database *)database delegate:(id)delegate {
8783     if ((self = [super init]) != nil) {
8784         database_ = database;
8785         roledelegate_ = delegate;
8786     } return self;
8787 }
8788
8789 - (void) resizeSegmentedControl {
8790     CGFloat width = [[self view] frame].size.width;
8791     [segment_ setFrame:CGRectMake(width / 32.0f, 0, width - (width / 32.0f * 2.0f), 44.0f)];
8792 }
8793
8794 - (void) viewWillAppear:(BOOL)animated {
8795     [super viewWillAppear:animated];
8796
8797     [self resizeSegmentedControl];
8798 }
8799
8800 - (void) willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation duration:(NSTimeInterval)duration {
8801     [self resizeSegmentedControl];
8802 }
8803
8804 - (void) didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
8805     [self resizeSegmentedControl];
8806 }
8807
8808 - (void) save {
8809     NSString *role(nil);
8810
8811     switch ([segment_ selectedSegmentIndex]) {
8812         case 0: role = @"User"; break;
8813         case 1: role = @"Hacker"; break;
8814         case 2: role = @"Developer"; break;
8815
8816         _nodefault
8817     }
8818
8819     if (![role isEqualToString:Role_]) {
8820         bool rolling(Role_ == nil);
8821         Role_ = role;
8822
8823         Settings_ = [NSMutableDictionary dictionaryWithObjectsAndKeys:
8824             Role_, @"Role",
8825         nil];
8826
8827         [Metadata_ setObject:Settings_ forKey:@"Settings"];
8828         Changed_ = true;
8829
8830         if (rolling)
8831             [roledelegate_ loadData];
8832         else
8833             [roledelegate_ updateData];
8834     }
8835 }
8836
8837 - (void) segmentChanged:(UISegmentedControl *)control {
8838     [self showDoneButton];
8839 }
8840
8841 - (void) saveAndClose {
8842     [self save];
8843
8844     [[self navigationItem] setRightBarButtonItem:nil];
8845     [[self navigationController] dismissModalViewControllerAnimated:YES];
8846 }
8847
8848 - (void) doneButtonClicked {
8849     UIActivityIndicatorView *spinner = [[[UIActivityIndicatorView alloc] initWithFrame:CGRectMake(0, 0, 20.0f, 20.0f)] autorelease];
8850     [spinner startAnimating];
8851     UIBarButtonItem *spinItem = [[[UIBarButtonItem alloc] initWithCustomView:spinner] autorelease];
8852     [[self navigationItem] setRightBarButtonItem:spinItem];
8853
8854     [self performSelector:@selector(saveAndClose) withObject:nil afterDelay:0];
8855 }
8856
8857 - (void) showDoneButton {
8858     [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8859         initWithTitle:UCLocalize("DONE")
8860         style:UIBarButtonItemStyleDone
8861         target:self
8862         action:@selector(doneButtonClicked)
8863     ] autorelease] animated:([[self navigationItem] rightBarButtonItem] == nil)];
8864 }
8865
8866 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
8867     // XXX: For not having a single cell in the table, this sure is a lot of sections.
8868     return 6;
8869 }
8870
8871 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
8872     return 0; // :(
8873 }
8874
8875 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
8876     return nil; // This method is required by the protocol.
8877 }
8878
8879 - (NSString *) tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
8880     if (section == 1)
8881         return UCLocalize("ROLE_EX");
8882     if (section == 4)
8883         return [NSString stringWithFormat:
8884             @"%@: %@\n%@: %@\n%@: %@",
8885             UCLocalize("USER"), UCLocalize("USER_EX"),
8886             UCLocalize("HACKER"), UCLocalize("HACKER_EX"),
8887             UCLocalize("DEVELOPER"), UCLocalize("DEVELOPER_EX")
8888         ];
8889     else return nil;
8890 }
8891
8892 - (CGFloat) tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section {
8893     return section == 3 ? 44.0f : 0;
8894 }
8895
8896 - (UIView *) tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
8897     return section == 3 ? container_ : nil;
8898 }
8899
8900 - (void) reloadData {
8901     [super reloadData];
8902
8903     [table_ reloadData];
8904 }
8905
8906 @end
8907 /* }}} */
8908 /* Stash Controller {{{ */
8909 @interface StashController : CYViewController {
8910     UIActivityIndicatorView *spinner_;
8911     UILabel *status_;
8912     UILabel *caption_;
8913 }
8914
8915 @end
8916
8917 @implementation StashController
8918
8919 - (void) dealloc {
8920     [self releaseSubviews];
8921
8922     [super dealloc];
8923 }
8924
8925 - (void) loadView {
8926     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8927     [[self view] setBackgroundColor:[UIColor viewFlipsideBackgroundColor]];
8928
8929     spinner_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge] autorelease];
8930     CGRect spinrect = [spinner_ frame];
8931     spinrect.origin.x = ([[self view] frame].size.width / 2) - (spinrect.size.width / 2);
8932     spinrect.origin.y = [[self view] frame].size.height - 80.0f;
8933     [spinner_ setFrame:spinrect];
8934     [spinner_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin];
8935     [[self view] addSubview:spinner_];
8936     [spinner_ startAnimating];
8937
8938     CGRect captrect;
8939     captrect.size.width = [[self view] frame].size.width;
8940     captrect.size.height = 40.0f;
8941     captrect.origin.x = 0;
8942     captrect.origin.y = ([[self view] frame].size.height / 2) - (captrect.size.height * 2);
8943     caption_ = [[[UILabel alloc] initWithFrame:captrect] autorelease];
8944     [caption_ setText:UCLocalize("PREPARING_FILESYSTEM")];
8945     [caption_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8946     [caption_ setFont:[UIFont boldSystemFontOfSize:28.0f]];
8947     [caption_ setTextColor:[UIColor whiteColor]];
8948     [caption_ setBackgroundColor:[UIColor clearColor]];
8949     [caption_ setShadowColor:[UIColor blackColor]];
8950     [caption_ setTextAlignment:UITextAlignmentCenter];
8951     [[self view] addSubview:caption_];
8952
8953     CGRect statusrect;
8954     statusrect.size.width = [[self view] frame].size.width;
8955     statusrect.size.height = 30.0f;
8956     statusrect.origin.x = 0;
8957     statusrect.origin.y = ([[self view] frame].size.height / 2) - statusrect.size.height;
8958     status_ = [[[UILabel alloc] initWithFrame:statusrect] autorelease];
8959     [status_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8960     [status_ setText:UCLocalize("EXIT_WHEN_COMPLETE")];
8961     [status_ setFont:[UIFont systemFontOfSize:16.0f]];
8962     [status_ setTextColor:[UIColor whiteColor]];
8963     [status_ setBackgroundColor:[UIColor clearColor]];
8964     [status_ setShadowColor:[UIColor blackColor]];
8965     [status_ setTextAlignment:UITextAlignmentCenter];
8966     [[self view] addSubview:status_];
8967 }
8968
8969 - (void) releaseSubviews {
8970     [spinner_ release];
8971     spinner_ = nil;
8972
8973     [status_ release];
8974     status_ = nil;
8975
8976     [caption_ release];
8977     caption_ = nil;
8978 }
8979
8980 @end
8981 /* }}} */
8982
8983 @interface Cydia : UIApplication <
8984     ConfirmationControllerDelegate,
8985     DatabaseDelegate,
8986     CydiaDelegate,
8987     UINavigationControllerDelegate,
8988     UITabBarControllerDelegate
8989 > {
8990     // XXX: evaluate all fields for _transient
8991
8992     UIWindow *window_;
8993     CYTabBarController *tabbar_;
8994     CYEmulatedLoadingController *emulated_;
8995
8996     NSMutableArray *essential_;
8997     NSMutableArray *broken_;
8998
8999     Database *database_;
9000
9001     NSURL *starturl_;
9002
9003     unsigned locked_;
9004     unsigned activity_;
9005
9006     StashController *stash_;
9007
9008     bool loaded_;
9009 }
9010
9011 - (void) loadData;
9012
9013 @end
9014
9015 @implementation Cydia
9016
9017 - (void) beginUpdate {
9018     [tabbar_ beginUpdate];
9019 }
9020
9021 - (BOOL) updating {
9022     return [tabbar_ updating];
9023 }
9024
9025 - (void) _loaded {
9026     if ([broken_ count] != 0) {
9027         int count = [broken_ count];
9028
9029         UIAlertView *alert = [[[UIAlertView alloc]
9030             initWithTitle:(count == 1 ? UCLocalize("HALFINSTALLED_PACKAGE") : [NSString stringWithFormat:UCLocalize("HALFINSTALLED_PACKAGES"), count])
9031             message:UCLocalize("HALFINSTALLED_PACKAGE_EX")
9032             delegate:self
9033             cancelButtonTitle:UCLocalize("FORCIBLY_CLEAR")
9034             otherButtonTitles:
9035                 UCLocalize("TEMPORARY_IGNORE"),
9036             nil
9037         ] autorelease];
9038
9039         [alert setContext:@"fixhalf"];
9040         [alert setNumberOfRows:2];
9041         [alert show];
9042     } else if (!Ignored_ && [essential_ count] != 0) {
9043         int count = [essential_ count];
9044
9045         UIAlertView *alert = [[[UIAlertView alloc]
9046             initWithTitle:(count == 1 ? UCLocalize("ESSENTIAL_UPGRADE") : [NSString stringWithFormat:UCLocalize("ESSENTIAL_UPGRADES"), count])
9047             message:UCLocalize("ESSENTIAL_UPGRADE_EX")
9048             delegate:self
9049             cancelButtonTitle:UCLocalize("TEMPORARY_IGNORE")
9050             otherButtonTitles:
9051                 UCLocalize("UPGRADE_ESSENTIAL"),
9052                 UCLocalize("COMPLETE_UPGRADE"),
9053             nil
9054         ] autorelease];
9055
9056         [alert setContext:@"upgrade"];
9057         [alert show];
9058     }
9059 }
9060
9061 - (void) _saveConfig {
9062     _trace();
9063     MetaFile_.Sync();
9064     _trace();
9065
9066     if (Changed_) {
9067         NSString *error(nil);
9068
9069         if (NSData *data = [NSPropertyListSerialization dataFromPropertyList:Metadata_ format:NSPropertyListBinaryFormat_v1_0 errorDescription:&error]) {
9070             _trace();
9071             NSError *error(nil);
9072             if (![data writeToFile:@"/var/lib/cydia/metadata.plist" options:NSAtomicWrite error:&error])
9073                 NSLog(@"failure to save metadata data: %@", error);
9074             _trace();
9075
9076             Changed_ = false;
9077         } else {
9078             NSLog(@"failure to serialize metadata: %@", error);
9079         }
9080     }
9081 }
9082
9083 // Navigation controller for the queuing badge.
9084 - (UINavigationController *) queueNavigationController {
9085     NSArray *controllers = [tabbar_ viewControllers];
9086     return [controllers objectAtIndex:3];
9087 }
9088
9089 - (void) _updateData {
9090     [self _saveConfig];
9091
9092     [tabbar_ unloadData];
9093
9094     UINavigationController *navigation = [self queueNavigationController];
9095
9096     id queuedelegate = nil;
9097     if ([[navigation viewControllers] count] > 0)
9098         queuedelegate = [[navigation viewControllers] objectAtIndex:0];
9099
9100     [queuedelegate queueStatusDidChange];
9101     [[navigation tabBarItem] setBadgeValue:(Queuing_ ? UCLocalize("Q_D") : nil)];
9102 }
9103
9104 - (void) _refreshIfPossible:(NSDate *)update {
9105     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
9106
9107     bool recently = false;
9108     if (update != nil) {
9109         NSTimeInterval interval([update timeIntervalSinceNow]);
9110         if (interval <= 0 && interval > -(15*60))
9111             recently = true;
9112     }
9113
9114     // Don't automatic refresh if:
9115     //  - We already refreshed recently.
9116     //  - We already auto-refreshed this launch.
9117     //  - Auto-refresh is disabled.
9118     if (recently || loaded_ || ManualRefresh) {
9119         [self performSelectorOnMainThread:@selector(_loaded) withObject:nil waitUntilDone:NO];
9120
9121         // If we are cancelling, we need to make sure it knows it's already loaded.
9122         loaded_ = true;
9123         return;
9124     } else {
9125         // We are going to load, so remember that.
9126         loaded_ = true;
9127     }
9128
9129     SCNetworkReachabilityFlags flags; {
9130         SCNetworkReachabilityRef reachability(SCNetworkReachabilityCreateWithName(NULL, "cydia.saurik.com"));
9131         SCNetworkReachabilityGetFlags(reachability, &flags);
9132         CFRelease(reachability);
9133     }
9134
9135     // XXX: this elaborate mess is what Apple is using to determine this? :(
9136     // XXX: do we care if the user has to intervene? maybe that's ok?
9137     bool reachable(
9138         (flags & kSCNetworkReachabilityFlagsReachable) != 0 && (
9139             (flags & kSCNetworkReachabilityFlagsConnectionRequired) == 0 || (
9140                 (flags & kSCNetworkReachabilityFlagsConnectionOnDemand) != 0 ||
9141                 (flags & kSCNetworkReachabilityFlagsConnectionOnTraffic) != 0
9142             ) && (flags & kSCNetworkReachabilityFlagsInterventionRequired) == 0 ||
9143             (flags & kSCNetworkReachabilityFlagsIsWWAN) != 0
9144         )
9145     );
9146
9147     // If we can reach the server, auto-refresh!
9148     if (reachable)
9149         [tabbar_ performSelectorOnMainThread:@selector(setUpdate:) withObject:update waitUntilDone:NO];
9150
9151     [pool release];
9152 }
9153
9154 - (void) refreshIfPossible {
9155     [NSThread detachNewThreadSelector:@selector(_refreshIfPossible:) toTarget:self withObject:[Metadata_ objectForKey:@"LastUpdate"]];
9156 }
9157
9158 - (void) _reloadDataWithInvocation:(NSInvocation *)invocation {
9159     UIProgressHUD *hud(loaded_ ? [self addProgressHUD] : nil);
9160     [hud setText:UCLocalize("RELOADING_DATA")];
9161
9162     [database_ yieldToSelector:@selector(reloadDataWithInvocation:) withObject:invocation];
9163
9164     if (hud != nil)
9165         [self removeProgressHUD:hud];
9166
9167     size_t changes(0);
9168
9169     [essential_ removeAllObjects];
9170     [broken_ removeAllObjects];
9171
9172     NSArray *packages([database_ packages]);
9173     for (Package *package in packages) {
9174         if ([package half])
9175             [broken_ addObject:package];
9176         if ([package upgradableAndEssential:NO]) {
9177             if ([package essential])
9178                 [essential_ addObject:package];
9179             ++changes;
9180         }
9181     }
9182
9183     NSLog(@"changes:#%u", changes);
9184
9185     UITabBarItem *changesItem = [[[tabbar_ viewControllers] objectAtIndex:2] tabBarItem];
9186     if (changes != 0) {
9187         _trace();
9188         NSString *badge([[NSNumber numberWithInt:changes] stringValue]);
9189         [changesItem setBadgeValue:badge];
9190         [changesItem setAnimatedBadge:([essential_ count] > 0)];
9191         [self setApplicationIconBadgeNumber:changes];
9192     } else {
9193         _trace();
9194         [changesItem setBadgeValue:nil];
9195         [changesItem setAnimatedBadge:NO];
9196         [self setApplicationIconBadgeNumber:0];
9197     }
9198
9199     [self _updateData];
9200
9201     [self refreshIfPossible];
9202 }
9203
9204 - (void) updateData {
9205     [self _updateData];
9206 }
9207
9208 - (void) update_ {
9209     [database_ update];
9210 }
9211
9212 - (void) complete {
9213     @synchronized (self) {
9214         [self _reloadDataWithInvocation:nil];
9215     }
9216 }
9217
9218 - (void) disemulate {
9219     if (emulated_ == nil)
9220         return;
9221
9222     [window_ addSubview:[tabbar_ view]];
9223     [[emulated_ view] removeFromSuperview];
9224     [emulated_ release];
9225     emulated_ = nil;
9226     [window_ setUserInteractionEnabled:YES];
9227 }
9228
9229 - (void) presentModalViewController:(UIViewController *)controller force:(BOOL)force {
9230     UINavigationController *navigation([[[UINavigationController alloc] initWithRootViewController:controller] autorelease]);
9231     if (IsWildcat_)
9232         [navigation setModalPresentationStyle:UIModalPresentationFormSheet];
9233
9234     UIViewController *parent;
9235     if (emulated_ == nil)
9236         parent = tabbar_;
9237     else if (!force)
9238         parent = emulated_;
9239     else {
9240         [self disemulate];
9241         parent = tabbar_;
9242     }
9243
9244     [parent presentModalViewController:navigation animated:YES];
9245 }
9246
9247 - (ProgressController *) invokeNewProgress:(NSInvocation *)invocation forController:(UINavigationController *)navigation withTitle:(NSString *)title {
9248     ProgressController *progress([[[ProgressController alloc] initWithDatabase:database_ delegate:self] autorelease]);
9249
9250     if (navigation != nil)
9251         [navigation pushViewController:progress animated:YES];
9252     else
9253         [self presentModalViewController:progress force:YES];
9254
9255     [progress invoke:invocation withTitle:title];
9256     return progress;
9257 }
9258
9259 - (void) detachNewProgressSelector:(SEL)selector toTarget:(id)target forController:(UINavigationController *)navigation title:(NSString *)title {
9260     [self invokeNewProgress:[NSInvocation invocationWithSelector:selector forTarget:target] forController:navigation withTitle:title];
9261 }
9262
9263 - (void) repairWithInvocation:(NSInvocation *)invocation {
9264     _trace();
9265     [self invokeNewProgress:invocation forController:nil withTitle:@"REPAIRING"];
9266     _trace();
9267 }
9268
9269 - (void) repairWithSelector:(SEL)selector {
9270     [self performSelectorOnMainThread:@selector(repairWithInvocation:) withObject:[NSInvocation invocationWithSelector:selector forTarget:database_] waitUntilDone:YES];
9271 }
9272
9273 - (void) syncData {
9274     [self _saveConfig];
9275
9276     FILE *file(fopen("/etc/apt/sources.list.d/cydia.list", "w"));
9277     _assert(file != NULL);
9278
9279     for (NSString *key in [Sources_ allKeys]) {
9280         NSDictionary *source([Sources_ objectForKey:key]);
9281
9282         fprintf(file, "%s %s %s\n",
9283             [[source objectForKey:@"Type"] UTF8String],
9284             [[source objectForKey:@"URI"] UTF8String],
9285             [[source objectForKey:@"Distribution"] UTF8String]
9286         );
9287     }
9288
9289     fclose(file);
9290
9291     [self detachNewProgressSelector:@selector(update_) toTarget:self forController:nil title:@"UPDATING_SOURCES"];
9292
9293     [self complete];
9294 }
9295
9296 - (void) addTrivialSource:(NSString *)href {
9297     [Sources_ setObject:[NSDictionary dictionaryWithObjectsAndKeys:
9298         @"deb", @"Type",
9299         href, @"URI",
9300         @"./", @"Distribution",
9301     nil] forKey:[NSString stringWithFormat:@"deb:%@:./", href]];
9302
9303     Changed_ = true;
9304 }
9305
9306 - (void) reloadDataWithInvocation:(NSInvocation *)invocation {
9307     @synchronized (self) {
9308         [self _reloadDataWithInvocation:invocation];
9309     }
9310 }
9311
9312 - (void) reloadData {
9313     [self reloadDataWithInvocation:nil];
9314 }
9315
9316 - (void) resolve {
9317     pkgProblemResolver *resolver = [database_ resolver];
9318
9319     resolver->InstallProtect();
9320     if (!resolver->Resolve(true))
9321         _error->Discard();
9322 }
9323
9324 - (bool) perform {
9325     // XXX: this is a really crappy way of doing this.
9326     // like, seriously: this state machine is still broken, and cancelling this here doesn't really /fix/ that.
9327     // for one, the user can still /start/ a reloading data event while they have a queue, which is stupid
9328     // for two, this just means there is a race condition between the refresh completing and the confirmation controller appearing.
9329     if ([tabbar_ updating])
9330         [tabbar_ cancelUpdate];
9331
9332     if (![database_ prepare])
9333         return false;
9334
9335     ConfirmationController *page([[[ConfirmationController alloc] initWithDatabase:database_] autorelease]);
9336     [page setDelegate:self];
9337     UINavigationController *confirm_([[[UINavigationController alloc] initWithRootViewController:page] autorelease]);
9338
9339     if (IsWildcat_)
9340         [confirm_ setModalPresentationStyle:UIModalPresentationFormSheet];
9341     [tabbar_ presentModalViewController:confirm_ animated:YES];
9342
9343     return true;
9344 }
9345
9346 - (void) queue {
9347     @synchronized (self) {
9348         [self perform];
9349     }
9350 }
9351
9352 - (void) clearPackage:(Package *)package {
9353     @synchronized (self) {
9354         [package clear];
9355         [self resolve];
9356         [self perform];
9357     }
9358 }
9359
9360 - (void) installPackages:(NSArray *)packages {
9361     @synchronized (self) {
9362         for (Package *package in packages)
9363             [package install];
9364         [self resolve];
9365         [self perform];
9366     }
9367 }
9368
9369 - (void) installPackage:(Package *)package {
9370     @synchronized (self) {
9371         [package install];
9372         [self resolve];
9373         [self perform];
9374     }
9375 }
9376
9377 - (void) removePackage:(Package *)package {
9378     @synchronized (self) {
9379         [package remove];
9380         [self resolve];
9381         [self perform];
9382     }
9383 }
9384
9385 - (void) distUpgrade {
9386     @synchronized (self) {
9387         if (![database_ upgrade])
9388             return;
9389         [self perform];
9390     }
9391 }
9392
9393 - (void) confirmWithNavigationController:(UINavigationController *)navigation {
9394     Queuing_ = false;
9395     ++locked_;
9396     [self detachNewProgressSelector:@selector(perform) toTarget:database_ forController:navigation title:@"RUNNING"];
9397     --locked_;
9398     [self complete];
9399 }
9400
9401 - (void) showSettings {
9402     [self presentModalViewController:[[[SettingsController alloc] initWithDatabase:database_ delegate:self] autorelease] force:NO];
9403 }
9404
9405 - (void) retainNetworkActivityIndicator {
9406     if (activity_++ == 0)
9407         [self setNetworkActivityIndicatorVisible:YES];
9408
9409 #if TraceLogging
9410     NSLog(@"retainNetworkActivityIndicator->%d", activity_);
9411 #endif
9412 }
9413
9414 - (void) releaseNetworkActivityIndicator {
9415     if (--activity_ == 0)
9416         [self setNetworkActivityIndicatorVisible:NO];
9417
9418 #if TraceLogging
9419     NSLog(@"releaseNetworkActivityIndicator->%d", activity_);
9420 #endif
9421
9422 }
9423
9424 - (void) cancelAndClear:(bool)clear {
9425     @synchronized (self) {
9426         if (clear) {
9427             [database_ clear];
9428             Queuing_ = false;
9429         } else {
9430             Queuing_ = true;
9431         }
9432
9433         [self _updateData];
9434     }
9435 }
9436
9437 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
9438     NSString *context([alert context]);
9439
9440     if ([context isEqualToString:@"conffile"]) {
9441         FILE *input = [database_ input];
9442         if (button == [alert cancelButtonIndex])
9443             fprintf(input, "N\n");
9444         else if (button == [alert firstOtherButtonIndex])
9445             fprintf(input, "Y\n");
9446         fflush(input);
9447
9448         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9449     } else if ([context isEqualToString:@"fixhalf"]) {
9450         if (button == [alert cancelButtonIndex]) {
9451             @synchronized (self) {
9452                 for (Package *broken in broken_) {
9453                     [broken remove];
9454
9455                     NSString *id = [broken id];
9456                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.prerm", id] UTF8String]);
9457                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postrm", id] UTF8String]);
9458                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.preinst", id] UTF8String]);
9459                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postinst", id] UTF8String]);
9460                 }
9461
9462                 [self resolve];
9463                 [self perform];
9464             }
9465         } else if (button == [alert firstOtherButtonIndex]) {
9466             [broken_ removeAllObjects];
9467             [self _loaded];
9468         }
9469
9470         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9471     } else if ([context isEqualToString:@"upgrade"]) {
9472         if (button == [alert firstOtherButtonIndex]) {
9473             @synchronized (self) {
9474                 for (Package *essential in essential_)
9475                     [essential install];
9476
9477                 [self resolve];
9478                 [self perform];
9479             }
9480         } else if (button == [alert firstOtherButtonIndex] + 1) {
9481             [self distUpgrade];
9482         } else if (button == [alert cancelButtonIndex]) {
9483             Ignored_ = YES;
9484         }
9485
9486         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9487     }
9488 }
9489
9490 - (void) system:(NSString *)command { _pooled
9491     _trace();
9492     system([command UTF8String]);
9493     _trace();
9494 }
9495
9496 - (void) applicationWillSuspend {
9497     [database_ clean];
9498     [super applicationWillSuspend];
9499 }
9500
9501 - (BOOL) isSafeToSuspend {
9502     if (locked_ != 0) {
9503 #if !ForRelease
9504         NSLog(@"isSafeToSuspend: locked_ != 0");
9505 #endif
9506         return false;
9507     }
9508
9509     // Use external process status API internally.
9510     // This is probably a really bad idea.
9511     // XXX: what is the point of this? does this solve anything at all?
9512     uint64_t status = 0;
9513     int notify_token;
9514     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
9515         notify_get_state(notify_token, &status);
9516         notify_cancel(notify_token);
9517     }
9518
9519     if (status != 0) {
9520 #if !ForRelease
9521         NSLog(@"isSafeToSuspend: status != 0");
9522 #endif
9523         return false;
9524     }
9525
9526 #if !ForRelease
9527     NSLog(@"isSafeToSuspend: -> true");
9528 #endif
9529     return true;
9530 }
9531
9532 - (void) applicationSuspend:(__GSEvent *)event {
9533     if ([self isSafeToSuspend])
9534         [super applicationSuspend:event];
9535 }
9536
9537 - (void) _animateSuspension:(BOOL)arg0 duration:(double)arg1 startTime:(double)arg2 scale:(float)arg3 {
9538     if ([self isSafeToSuspend])
9539         [super _animateSuspension:arg0 duration:arg1 startTime:arg2 scale:arg3];
9540 }
9541
9542 - (void) _setSuspended:(BOOL)value {
9543     if ([self isSafeToSuspend])
9544         [super _setSuspended:value];
9545 }
9546
9547 - (UIProgressHUD *) addProgressHUD {
9548     UIProgressHUD *hud([[[UIProgressHUD alloc] initWithWindow:window_] autorelease]);
9549     [hud setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
9550
9551     [window_ setUserInteractionEnabled:NO];
9552
9553     UIViewController *target(tabbar_);
9554     if (UIViewController *modal = [target modalViewController])
9555         target = modal;
9556
9557     UIView *view([target view]);
9558     [view addSubview:hud];
9559
9560     [hud show:YES];
9561
9562     ++locked_;
9563     return hud;
9564 }
9565
9566 - (void) removeProgressHUD:(UIProgressHUD *)hud {
9567     --locked_;
9568     [hud show:NO];
9569     [hud removeFromSuperview];
9570     [window_ setUserInteractionEnabled:YES];
9571 }
9572
9573 - (CYViewController *) pageForPackage:(NSString *)name {
9574     return [[[CYPackageController alloc] initWithDatabase:database_ forPackage:name] autorelease];
9575 }
9576
9577 - (CYViewController *) pageForURL:(NSURL *)url forExternal:(BOOL)external {
9578     NSString *scheme([[url scheme] lowercaseString]);
9579     if ([[url absoluteString] length] <= [scheme length] + 3)
9580         return nil;
9581     NSString *path([[url absoluteString] substringFromIndex:[scheme length] + 3]);
9582     NSArray *components([path pathComponents]);
9583
9584     if ([scheme isEqualToString:@"apptapp"] && [components count] > 0 && [[components objectAtIndex:0] isEqualToString:@"package"])
9585         return [self pageForPackage:[components objectAtIndex:1]];
9586
9587     if ([components count] < 1 || ![scheme isEqualToString:@"cydia"])
9588         return nil;
9589
9590     NSString *base([components objectAtIndex:0]);
9591
9592     CYViewController *controller = nil;
9593
9594     if ([base isEqualToString:@"url"]) {
9595         // This kind of URL can contain slashes in the argument, so we can't parse them below.
9596         NSString *destination = [[url absoluteString] substringFromIndex:([scheme length] + [@"://" length] + [base length] + [@"/" length])];
9597         controller = [[[CYBrowserController alloc] initWithURL:[NSURL URLWithString:destination]] autorelease];
9598     } else if (!external && [components count] == 1) {
9599         if ([base isEqualToString:@"manage"]) {
9600             controller = [[[ManageController alloc] init] autorelease];
9601         }
9602
9603         if ([base isEqualToString:@"sources"]) {
9604             controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
9605         }
9606
9607         if ([base isEqualToString:@"home"]) {
9608             controller = [[[HomeController alloc] init] autorelease];
9609         }
9610
9611         if ([base isEqualToString:@"sections"]) {
9612             controller = [[[SectionsController alloc] initWithDatabase:database_] autorelease];
9613         }
9614
9615         if ([base isEqualToString:@"search"]) {
9616             controller = [[[SearchController alloc] initWithDatabase:database_] autorelease];
9617         }
9618
9619         if ([base isEqualToString:@"changes"]) {
9620             controller = [[[ChangesController alloc] initWithDatabase:database_] autorelease];
9621         }
9622
9623         if ([base isEqualToString:@"installed"]) {
9624             controller = [[[InstalledController alloc] initWithDatabase:database_] autorelease];
9625         }
9626     } else if ([components count] == 2) {
9627         NSString *argument = [components objectAtIndex:1];
9628
9629         if ([base isEqualToString:@"package"]) {
9630             controller = [self pageForPackage:argument];
9631         }
9632
9633         if (!external && [base isEqualToString:@"search"]) {
9634             controller = [[[SearchController alloc] initWithDatabase:database_] autorelease];
9635             [(SearchController *)controller setSearchTerm:argument];
9636         }
9637
9638         if (!external && [base isEqualToString:@"sections"]) {
9639             if ([argument isEqualToString:@"all"])
9640                 argument = nil;
9641             controller = [[[SectionController alloc] initWithDatabase:database_ section:argument] autorelease];
9642         }
9643
9644         if (!external && [base isEqualToString:@"sources"]) {
9645             if ([argument isEqualToString:@"add"]) {
9646                 controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
9647                 [(SourcesController *)controller showAddSourcePrompt];
9648             } else {
9649                 Source *source = [database_ sourceWithKey:argument];
9650                 controller = [[[SourceController alloc] initWithDatabase:database_ source:source] autorelease];
9651             }
9652         }
9653
9654         if (!external && [base isEqualToString:@"launch"]) {
9655             [self launchApplicationWithIdentifier:argument suspended:NO];
9656             return nil;
9657         }
9658     } else if (!external && [components count] == 3) {
9659         NSString *arg1 = [components objectAtIndex:1];
9660         NSString *arg2 = [components objectAtIndex:2];
9661
9662         if ([base isEqualToString:@"package"]) {
9663             if ([arg2 isEqualToString:@"settings"]) {
9664                 controller = [[[PackageSettingsController alloc] initWithDatabase:database_ package:arg1] autorelease];
9665             } else if ([arg2 isEqualToString:@"files"]) {
9666                 if (Package *package = [database_ packageWithName:arg1]) {
9667                     controller = [[[FileTable alloc] initWithDatabase:database_] autorelease];
9668                     [(FileTable *)controller setPackage:package];
9669                 }
9670             }
9671         }
9672     }
9673
9674     [controller setDelegate:self];
9675     return controller;
9676 }
9677
9678 - (BOOL) openCydiaURL:(NSURL *)url forExternal:(BOOL)external {
9679     CYViewController *page([self pageForURL:url forExternal:external]);
9680
9681     if (page != nil) {
9682         UINavigationController *nav = [[[UINavigationController alloc] init] autorelease];
9683         [nav setViewControllers:[NSArray arrayWithObject:page]];
9684         [tabbar_ setUnselectedViewController:nav];
9685     }
9686
9687     return page != nil;
9688 }
9689
9690 - (void) applicationOpenURL:(NSURL *)url {
9691     [super applicationOpenURL:url];
9692
9693     if (!loaded_) starturl_ = [url retain];
9694     else [self openCydiaURL:url forExternal:YES];
9695 }
9696
9697 - (void) applicationWillResignActive:(UIApplication *)application {
9698     // Stop refreshing if you get a phone call or lock the device.
9699     if ([tabbar_ updating])
9700         [tabbar_ cancelUpdate];
9701
9702     if ([[self superclass] instancesRespondToSelector:@selector(applicationWillResignActive:)])
9703         [super applicationWillResignActive:application];
9704 }
9705
9706 - (void) applicationWillTerminate:(UIApplication *)application {
9707     Changed_ = true;
9708     [Metadata_ setObject:[tabbar_ navigationURLCollection] forKey:@"InterfaceState"];
9709     [Metadata_ setObject:[NSDate date] forKey:@"LastClosed"];
9710     [Metadata_ setObject:[NSNumber numberWithInt:[tabbar_ selectedIndex]] forKey:@"InterfaceIndex"];
9711
9712     [self _saveConfig];
9713 }
9714
9715 - (void) setConfigurationData:(NSString *)data {
9716     static Pcre conffile_r("^'(.*)' '(.*)' ([01]) ([01])$");
9717
9718     if (!conffile_r(data)) {
9719         lprintf("E:invalid conffile\n");
9720         return;
9721     }
9722
9723     NSString *ofile = conffile_r[1];
9724     //NSString *nfile = conffile_r[2];
9725
9726     UIAlertView *alert = [[[UIAlertView alloc]
9727         initWithTitle:UCLocalize("CONFIGURATION_UPGRADE")
9728         message:[NSString stringWithFormat:@"%@\n\n%@", UCLocalize("CONFIGURATION_UPGRADE_EX"), ofile]
9729         delegate:self
9730         cancelButtonTitle:UCLocalize("KEEP_OLD_COPY")
9731         otherButtonTitles:
9732             UCLocalize("ACCEPT_NEW_COPY"),
9733             // XXX: UCLocalize("SEE_WHAT_CHANGED"),
9734         nil
9735     ] autorelease];
9736
9737     [alert setContext:@"conffile"];
9738     [alert setNumberOfRows:2];
9739     [alert show];
9740 }
9741
9742 - (void) addStashController {
9743     ++locked_;
9744     stash_ = [[StashController alloc] init];
9745     [window_ addSubview:[stash_ view]];
9746 }
9747
9748 - (void) removeStashController {
9749     [[stash_ view] removeFromSuperview];
9750     [stash_ release];
9751     --locked_;
9752 }
9753
9754 - (void) stash {
9755     [self setIdleTimerDisabled:YES];
9756
9757     [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleBlackOpaque];
9758     UpdateExternalStatus(1);
9759     [self yieldToSelector:@selector(system:) withObject:@"/usr/libexec/cydia/free.sh"];
9760     UpdateExternalStatus(0);
9761
9762     [self removeStashController];
9763
9764     if (ExecFork() == 0) {
9765         execlp("launchctl", "launchctl", "stop", "com.apple.SpringBoard", NULL);
9766         perror("launchctl stop");
9767     }
9768 }
9769
9770 - (void) setupViewControllers {
9771     tabbar_ = [[CYTabBarController alloc] initWithDatabase:database_];
9772
9773     NSMutableArray *items([NSMutableArray arrayWithObjects:
9774         [[[UITabBarItem alloc] initWithTitle:@"Cydia" image:[UIImage applicationImageNamed:@"home.png"] tag:0] autorelease],
9775         [[[UITabBarItem alloc] initWithTitle:UCLocalize("SECTIONS") image:[UIImage applicationImageNamed:@"install.png"] tag:0] autorelease],
9776         [[[UITabBarItem alloc] initWithTitle:UCLocalize("CHANGES") image:[UIImage applicationImageNamed:@"changes.png"] tag:0] autorelease],
9777         [[[UITabBarItem alloc] initWithTitle:UCLocalize("SEARCH") image:[UIImage applicationImageNamed:@"search.png"] tag:0] autorelease],
9778     nil]);
9779
9780     if (IsWildcat_) {
9781         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("SOURCES") image:[UIImage applicationImageNamed:@"source.png"] tag:0] autorelease] atIndex:3];
9782         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("INSTALLED") image:[UIImage applicationImageNamed:@"manage.png"] tag:0] autorelease] atIndex:3];
9783     } else {
9784         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("MANAGE") image:[UIImage applicationImageNamed:@"manage.png"] tag:0] autorelease] atIndex:3];
9785     }
9786
9787     NSMutableArray *controllers([NSMutableArray array]);
9788     for (UITabBarItem *item in items) {
9789         UINavigationController *controller([[[UINavigationController alloc] init] autorelease]);
9790         [controller setTabBarItem:item];
9791         [controllers addObject:controller];
9792     }
9793     [tabbar_ setViewControllers:controllers];
9794
9795     [tabbar_ setUpdateDelegate:self];
9796 }
9797
9798 - (void) applicationDidFinishLaunching:(id)unused {
9799 _trace();
9800     if ([self respondsToSelector:@selector(setApplicationSupportsShakeToEdit:)])
9801         [self setApplicationSupportsShakeToEdit:NO];
9802
9803     @synchronized (HostConfig_) {
9804         [BridgedHosts_ addObject:[[NSURL URLWithString:CydiaURL(@"")] host]];
9805     }
9806
9807     [NSURLCache setSharedURLCache:[[[SDURLCache alloc]
9808         initWithMemoryCapacity:524288
9809         diskCapacity:10485760
9810         diskPath:[NSString stringWithFormat:@"%@/Library/Caches/com.saurik.Cydia/SDURLCache", @"/var/root"]
9811     ] autorelease]];
9812
9813     [CYBrowserController _initialize];
9814
9815     [NSURLProtocol registerClass:[CydiaURLProtocol class]];
9816
9817     Font12_ = [[UIFont systemFontOfSize:12] retain];
9818     Font12Bold_ = [[UIFont boldSystemFontOfSize:12] retain];
9819     Font14_ = [[UIFont systemFontOfSize:14] retain];
9820     Font18Bold_ = [[UIFont boldSystemFontOfSize:18] retain];
9821     Font22Bold_ = [[UIFont boldSystemFontOfSize:22] retain];
9822
9823     essential_ = [[NSMutableArray alloc] initWithCapacity:4];
9824     broken_ = [[NSMutableArray alloc] initWithCapacity:4];
9825
9826     // XXX: I really need this thing... like, seriously... I'm sorry
9827     [[[CYBrowserController alloc] initWithURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/appcache/", UI_]]] reloadData];
9828
9829     window_ = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
9830     [window_ orderFront:self];
9831     [window_ makeKey:self];
9832     [window_ setHidden:NO];
9833
9834     if (
9835         readlink("/Applications", NULL, 0) == -1 && errno == EINVAL ||
9836         readlink("/Library/Ringtones", NULL, 0) == -1 && errno == EINVAL ||
9837         readlink("/Library/Wallpaper", NULL, 0) == -1 && errno == EINVAL ||
9838         //readlink("/usr/bin", NULL, 0) == -1 && errno == EINVAL ||
9839         readlink("/usr/include", NULL, 0) == -1 && errno == EINVAL ||
9840         readlink("/usr/lib/pam", NULL, 0) == -1 && errno == EINVAL ||
9841         readlink("/usr/libexec", NULL, 0) == -1 && errno == EINVAL ||
9842         readlink("/usr/share", NULL, 0) == -1 && errno == EINVAL ||
9843         //readlink("/var/lib", NULL, 0) == -1 && errno == EINVAL ||
9844         false
9845     ) {
9846         [self addStashController];
9847         // XXX: this would be much cleaner as a yieldToSelector:
9848         // that way the removeStashController could happen right here inline
9849         // we also could no longer require the useless stash_ field anymore
9850         [self performSelector:@selector(stash) withObject:nil afterDelay:0];
9851         return;
9852     }
9853
9854     database_ = [Database sharedInstance];
9855     [database_ setDelegate:self];
9856
9857     [window_ setUserInteractionEnabled:NO];
9858     [self setupViewControllers];
9859
9860     emulated_ = [[CYEmulatedLoadingController alloc] initWithDatabase:database_];
9861     [window_ addSubview:[emulated_ view]];
9862
9863     [self performSelector:@selector(loadData) withObject:nil afterDelay:0];
9864 _trace();
9865 }
9866
9867 - (NSArray *) defaultStartPages {
9868     NSMutableArray *standard = [NSMutableArray array];
9869     [standard addObject:[NSArray arrayWithObject:@"cydia://home"]];
9870     [standard addObject:[NSArray arrayWithObject:@"cydia://sections"]];
9871     [standard addObject:[NSArray arrayWithObject:@"cydia://changes"]];
9872     if (!IsWildcat_) {
9873         [standard addObject:[NSArray arrayWithObject:@"cydia://manage"]];
9874     } else {
9875         [standard addObject:[NSArray arrayWithObject:@"cydia://installed"]];
9876         [standard addObject:[NSArray arrayWithObject:@"cydia://sources"]];
9877     }
9878     [standard addObject:[NSArray arrayWithObject:@"cydia://search"]];
9879     return standard;
9880 }
9881
9882 - (void) loadData {
9883 _trace();
9884     if (Role_ == nil) {
9885         [window_ setUserInteractionEnabled:YES];
9886         [self showSettings];
9887         return;
9888     } else {
9889         if ([emulated_ modalViewController] != nil)
9890             [emulated_ dismissModalViewControllerAnimated:YES];
9891         [window_ setUserInteractionEnabled:NO];
9892     }
9893
9894     [self reloadData];
9895     PrintTimes();
9896
9897     [self disemulate];
9898
9899     int savedIndex = [[Metadata_ objectForKey:@"InterfaceIndex"] intValue];
9900     NSArray *saved = [[Metadata_ objectForKey:@"InterfaceState"] mutableCopy];
9901     int standardIndex = 0;
9902     NSArray *standard = [self defaultStartPages];
9903
9904     BOOL valid = YES;
9905
9906     if (saved == nil)
9907         valid = NO;
9908
9909     NSDate *closed = [Metadata_ objectForKey:@"LastClosed"];
9910     if (valid && closed != nil) {
9911         NSTimeInterval interval([closed timeIntervalSinceNow]);
9912         // XXX: Is 15 minutes the optimal time here?
9913         if (interval > 0 && interval <= -(15*60))
9914             valid = NO;
9915     }
9916
9917     if (valid && [saved count] != [standard count])
9918         valid = NO;
9919
9920     if (valid) {
9921         for (unsigned int i = 0; i < [standard count]; i++) {
9922             NSArray *std = [standard objectAtIndex:i], *sav = [saved objectAtIndex:i];
9923             // XXX: The "hasPrefix" sanity check here could be, in theory, fooled,
9924             //      but it's good enough for now.
9925             if ([sav count] == 0 || ![[sav objectAtIndex:0] hasPrefix:[std objectAtIndex:0]]) {
9926                 valid = NO;
9927                 break;
9928             }
9929         }
9930     }
9931
9932     NSArray *items = nil;
9933     if (valid) {
9934         [tabbar_ setSelectedIndex:savedIndex];
9935         items = saved;
9936     } else {
9937         [tabbar_ setSelectedIndex:standardIndex];
9938         items = standard;
9939     }
9940
9941     for (unsigned int tab = 0; tab < [[tabbar_ viewControllers] count]; tab++) {
9942         NSArray *stack = [items objectAtIndex:tab];
9943         UINavigationController *navigation = [[tabbar_ viewControllers] objectAtIndex:tab];
9944         NSMutableArray *current = [NSMutableArray array];
9945
9946         for (unsigned int nav = 0; nav < [stack count]; nav++) {
9947             NSString *addr = [stack objectAtIndex:nav];
9948             NSURL *url = [NSURL URLWithString:addr];
9949             CYViewController *page = [self pageForURL:url forExternal:NO];
9950             if (page != nil)
9951                 [current addObject:page];
9952         }
9953
9954         [navigation setViewControllers:current];
9955     }
9956
9957     // (Try to) show the startup URL.
9958     if (starturl_ != nil) {
9959         [self openCydiaURL:starturl_ forExternal:NO];
9960         [starturl_ release];
9961         starturl_ = nil;
9962     }
9963 }
9964
9965 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item {
9966     if (item != nil && IsWildcat_) {
9967         [sheet showFromBarButtonItem:item animated:YES];
9968     } else {
9969         [sheet showInView:window_];
9970     }
9971 }
9972
9973 - (void) addProgressEvent:(CydiaProgressEvent *)event forTask:(NSString *)task {
9974     id<ProgressDelegate> progress([database_ progressDelegate] ?: [self invokeNewProgress:nil forController:nil withTitle:task]);
9975     [progress setTitle:task];
9976     [progress addProgressEvent:event];
9977 }
9978
9979 - (void) addProgressEventForTask:(NSArray *)data {
9980     CydiaProgressEvent *event([data objectAtIndex:0]);
9981     NSString *task([data count] < 2 ? nil : [data objectAtIndex:1]);
9982     [self addProgressEvent:event forTask:task];
9983 }
9984
9985 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task {
9986     [self performSelectorOnMainThread:@selector(addProgressEventForTask:) withObject:[NSArray arrayWithObjects:event, task, nil] waitUntilDone:YES];
9987 }
9988
9989 @end
9990
9991 /*IMP alloc_;
9992 id Alloc_(id self, SEL selector) {
9993     id object = alloc_(self, selector);
9994     lprintf("[%s]A-%p\n", self->isa->name, object);
9995     return object;
9996 }*/
9997
9998 /*IMP dealloc_;
9999 id Dealloc_(id self, SEL selector) {
10000     id object = dealloc_(self, selector);
10001     lprintf("[%s]D-%p\n", self->isa->name, object);
10002     return object;
10003 }*/
10004
10005 Class $WebDefaultUIKitDelegate;
10006
10007 MSHook(void, UIWebDocumentView$_setUIKitDelegate$, UIWebDocumentView *self, SEL _cmd, id delegate) {
10008     if (delegate == nil && $WebDefaultUIKitDelegate != nil)
10009         delegate = [$WebDefaultUIKitDelegate sharedUIKitDelegate];
10010     return _UIWebDocumentView$_setUIKitDelegate$(self, _cmd, delegate);
10011 }
10012
10013 static NSSet *MobilizedFiles_;
10014
10015 static NSURL *MobilizeURL(NSURL *url) {
10016     NSString *path([url path]);
10017     if ([path hasPrefix:@"/var/root/"]) {
10018         NSString *file([path substringFromIndex:10]);
10019         if ([MobilizedFiles_ containsObject:file])
10020             url = [NSURL fileURLWithPath:[@"/var/mobile/" stringByAppendingString:file] isDirectory:NO];
10021     }
10022
10023     return url;
10024 }
10025
10026 Class $CFXPreferencesPropertyListSource;
10027 @class CFXPreferencesPropertyListSource;
10028
10029 MSHook(BOOL, CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync, CFXPreferencesPropertyListSource *self, SEL _cmd) {
10030     NSURL *&url(MSHookIvar<NSURL *>(self, "_url")), *old(url);
10031     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
10032     url = MobilizeURL(url);
10033     BOOL value(_CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync(self, _cmd));
10034     //NSLog(@"%@ %s", [url absoluteString], value ? "YES" : "NO");
10035     url = old;
10036     [pool release];
10037     return value;
10038 }
10039
10040 MSHook(void *, CFXPreferencesPropertyListSource$createPlistFromDisk, CFXPreferencesPropertyListSource *self, SEL _cmd) {
10041     NSURL *&url(MSHookIvar<NSURL *>(self, "_url")), *old(url);
10042     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
10043     url = MobilizeURL(url);
10044     void *value(_CFXPreferencesPropertyListSource$createPlistFromDisk(self, _cmd));
10045     //NSLog(@"%@ %@", [url absoluteString], value);
10046     url = old;
10047     [pool release];
10048     return value;
10049 }
10050
10051 Class $NSURLConnection;
10052
10053 MSHook(id, NSURLConnection$init$, NSURLConnection *self, SEL _cmd, NSURLRequest *request, id delegate, BOOL usesCache, int64_t maxContentLength, BOOL startImmediately, NSDictionary *connectionProperties) {
10054     NSMutableURLRequest *copy([request mutableCopy]);
10055
10056     NSURL *url([copy URL]);
10057     NSString *host([url host]);
10058     NSString *scheme([[url scheme] lowercaseString]);
10059
10060     NSString *compound([NSString stringWithFormat:@"%@:%@", scheme, host]);
10061
10062     @synchronized (HostConfig_) {
10063         if ([copy respondsToSelector:@selector(setHTTPShouldUsePipelining:)])
10064             if ([PipelinedHosts_ containsObject:host] || [PipelinedHosts_ containsObject:compound])
10065                 [copy setHTTPShouldUsePipelining:YES];
10066     }
10067
10068     if ((self = _NSURLConnection$init$(self, _cmd, copy, delegate, usesCache, maxContentLength, startImmediately, connectionProperties)) != nil) {
10069     } return self;
10070 }
10071
10072 int main(int argc, char *argv[]) { _pooled
10073     _trace();
10074
10075     UpdateExternalStatus(0);
10076
10077     if (Class $UIDevice = objc_getClass("UIDevice")) {
10078         UIDevice *device([$UIDevice currentDevice]);
10079         IsWildcat_ = [device respondsToSelector:@selector(isWildcat)] && [device isWildcat];
10080     } else
10081         IsWildcat_ = false;
10082
10083     UIScreen *screen([UIScreen mainScreen]);
10084     if ([screen respondsToSelector:@selector(scale)])
10085         ScreenScale_ = [screen scale];
10086     else
10087         ScreenScale_ = 1;
10088
10089     UIDevice *device([UIDevice currentDevice]);
10090     if (![device respondsToSelector:@selector(userInterfaceIdiom)])
10091         Idiom_ = @"iphone";
10092     else {
10093         UIUserInterfaceIdiom idiom([device userInterfaceIdiom]);
10094         if (idiom == UIUserInterfaceIdiomPhone)
10095             Idiom_ = @"iphone";
10096         else if (idiom == UIUserInterfaceIdiomPad)
10097             Idiom_ = @"ipad";
10098         else
10099             NSLog(@"unknown UIUserInterfaceIdiom!");
10100     }
10101
10102     SessionData_ = [[NSMutableDictionary alloc] initWithCapacity:4];
10103
10104     HostConfig_ = [[NSObject alloc] init];
10105     @synchronized (HostConfig_) {
10106         BridgedHosts_ = [NSMutableSet setWithCapacity:4];
10107         PipelinedHosts_ = [NSMutableSet setWithCapacity:4];
10108     }
10109
10110     UI_ = CydiaURL([NSString stringWithFormat:@"ui/ios~%@", Idiom_]);
10111
10112     PackageName = reinterpret_cast<CYString &(*)(Package *, SEL)>(method_getImplementation(class_getInstanceMethod([Package class], @selector(cyname))));
10113
10114     MobilizedFiles_ = [NSMutableSet setWithObjects:
10115         @"Library/Preferences/com.apple.Accessibility.plist",
10116         @"Library/Preferences/com.apple.preferences.sounds.plist",
10117     nil];
10118
10119     /* Library Hacks {{{ */
10120     class_addMethod(objc_getClass("DOMNodeList"), @selector(countByEnumeratingWithState:objects:count:), (IMP) &DOMNodeList$countByEnumeratingWithState$objects$count$, "I20@0:4^{NSFastEnumerationState}8^@12I16");
10121
10122     $CFXPreferencesPropertyListSource = objc_getClass("CFXPreferencesPropertyListSource");
10123
10124     Method CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync(class_getInstanceMethod($CFXPreferencesPropertyListSource, @selector(_backingPlistChangedSinceLastSync)));
10125     if (CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync != NULL) {
10126         _CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync = reinterpret_cast<BOOL (*)(CFXPreferencesPropertyListSource *, SEL)>(method_getImplementation(CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync));
10127         method_setImplementation(CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync, reinterpret_cast<IMP>(&$CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync));
10128     }
10129
10130     Method CFXPreferencesPropertyListSource$createPlistFromDisk(class_getInstanceMethod($CFXPreferencesPropertyListSource, @selector(createPlistFromDisk)));
10131     if (CFXPreferencesPropertyListSource$createPlistFromDisk != NULL) {
10132         _CFXPreferencesPropertyListSource$createPlistFromDisk = reinterpret_cast<void *(*)(CFXPreferencesPropertyListSource *, SEL)>(method_getImplementation(CFXPreferencesPropertyListSource$createPlistFromDisk));
10133         method_setImplementation(CFXPreferencesPropertyListSource$createPlistFromDisk, reinterpret_cast<IMP>(&$CFXPreferencesPropertyListSource$createPlistFromDisk));
10134     }
10135
10136     $WebDefaultUIKitDelegate = objc_getClass("WebDefaultUIKitDelegate");
10137     Method UIWebDocumentView$_setUIKitDelegate$(class_getInstanceMethod([WebView class], @selector(_setUIKitDelegate:)));
10138     if (UIWebDocumentView$_setUIKitDelegate$ != NULL) {
10139         _UIWebDocumentView$_setUIKitDelegate$ = reinterpret_cast<void (*)(UIWebDocumentView *, SEL, id)>(method_getImplementation(UIWebDocumentView$_setUIKitDelegate$));
10140         method_setImplementation(UIWebDocumentView$_setUIKitDelegate$, reinterpret_cast<IMP>(&$UIWebDocumentView$_setUIKitDelegate$));
10141     }
10142
10143     $NSURLConnection = objc_getClass("NSURLConnection");
10144     Method NSURLConnection$init$(class_getInstanceMethod($NSURLConnection, @selector(_initWithRequest:delegate:usesCache:maxContentLength:startImmediately:connectionProperties:)));
10145     if (NSURLConnection$init$ != NULL) {
10146         _NSURLConnection$init$ = reinterpret_cast<id (*)(NSURLConnection *, SEL, NSURLRequest *, id, BOOL, int64_t, BOOL, NSDictionary *)>(method_getImplementation(NSURLConnection$init$));
10147         method_setImplementation(NSURLConnection$init$, reinterpret_cast<IMP>(&$NSURLConnection$init$));
10148     }
10149     /* }}} */
10150     /* Set Locale {{{ */
10151     Locale_ = CFLocaleCopyCurrent();
10152     Languages_ = [NSLocale preferredLanguages];
10153
10154     //CFStringRef locale(CFLocaleGetIdentifier(Locale_));
10155     //NSLog(@"%@", [Languages_ description]);
10156
10157     const char *lang;
10158     if (Locale_ != NULL)
10159         lang = [(NSString *) CFLocaleGetIdentifier(Locale_) UTF8String];
10160     else if (Languages_ != nil && [Languages_ count] != 0)
10161         lang = [[Languages_ objectAtIndex:0] UTF8String];
10162     else
10163         // XXX: consider just setting to C and then falling through?
10164         lang = NULL;
10165
10166     if (lang != NULL) {
10167         Pcre pattern("^([a-z][a-z])(?:-[A-Za-z]*)?(_[A-Z][A-Z])?$");
10168         lang = !pattern(lang) ? NULL : [pattern->*@"%1$@%2$@" UTF8String];
10169     }
10170
10171     NSLog(@"Setting Language: %s", lang);
10172
10173     if (lang != NULL) {
10174         setenv("LANG", lang, true);
10175         std::setlocale(LC_ALL, lang);
10176     }
10177     /* }}} */
10178
10179     apr_app_initialize(&argc, const_cast<const char * const **>(&argv), NULL);
10180
10181     /* Parse Arguments {{{ */
10182     bool substrate(false);
10183
10184     if (argc != 0) {
10185         char **args(argv);
10186         int arge(1);
10187
10188         for (int argi(1); argi != argc; ++argi)
10189             if (strcmp(argv[argi], "--") == 0) {
10190                 arge = argi;
10191                 argv[argi] = argv[0];
10192                 argv += argi;
10193                 argc -= argi;
10194                 break;
10195             }
10196
10197         for (int argi(1); argi != arge; ++argi)
10198             if (strcmp(args[argi], "--substrate") == 0)
10199                 substrate = true;
10200             else
10201                 fprintf(stderr, "unknown argument: %s\n", args[argi]);
10202     }
10203     /* }}} */
10204
10205     App_ = [[NSBundle mainBundle] bundlePath];
10206     Advanced_ = YES;
10207
10208     setuid(0);
10209     setgid(0);
10210
10211     /*Method alloc = class_getClassMethod([NSObject class], @selector(alloc));
10212     alloc_ = alloc->method_imp;
10213     alloc->method_imp = (IMP) &Alloc_;*/
10214
10215     /*Method dealloc = class_getClassMethod([NSObject class], @selector(dealloc));
10216     dealloc_ = dealloc->method_imp;
10217     dealloc->method_imp = (IMP) &Dealloc_;*/
10218
10219     /* System Information {{{ */
10220     size_t size;
10221
10222     int maxproc;
10223     size = sizeof(maxproc);
10224     if (sysctlbyname("kern.maxproc", &maxproc, &size, NULL, 0) == -1)
10225         perror("sysctlbyname(\"kern.maxproc\", ?)");
10226     else if (maxproc < 64) {
10227         maxproc = 64;
10228         if (sysctlbyname("kern.maxproc", NULL, NULL, &maxproc, sizeof(maxproc)) == -1)
10229             perror("sysctlbyname(\"kern.maxproc\", #)");
10230     }
10231
10232     sysctlbyname("kern.osversion", NULL, &size, NULL, 0);
10233     char *osversion = new char[size];
10234     if (sysctlbyname("kern.osversion", osversion, &size, NULL, 0) == -1)
10235         perror("sysctlbyname(\"kern.osversion\", ?)");
10236     else
10237         System_ = [NSString stringWithUTF8String:osversion];
10238
10239     sysctlbyname("hw.machine", NULL, &size, NULL, 0);
10240     char *machine = new char[size];
10241     if (sysctlbyname("hw.machine", machine, &size, NULL, 0) == -1)
10242         perror("sysctlbyname(\"hw.machine\", ?)");
10243     else
10244         Machine_ = machine;
10245
10246     if (CFMutableDictionaryRef dict = IOServiceMatching("IOPlatformExpertDevice")) {
10247         if (io_service_t service = IOServiceGetMatchingService(kIOMasterPortDefault, dict)) {
10248             if (CFTypeRef serial = IORegistryEntryCreateCFProperty(service, CFSTR(kIOPlatformSerialNumberKey), kCFAllocatorDefault, 0)) {
10249                 SerialNumber_ = [NSString stringWithString:(NSString *)serial];
10250                 CFRelease(serial);
10251             }
10252
10253             if (CFTypeRef ecid = IORegistryEntrySearchCFProperty(service, kIODeviceTreePlane, CFSTR("unique-chip-id"), kCFAllocatorDefault, kIORegistryIterateRecursively)) {
10254                 NSData *data((NSData *) ecid);
10255                 size_t length([data length]);
10256                 uint8_t bytes[length];
10257                 [data getBytes:bytes];
10258                 char string[length * 2 + 1];
10259                 for (size_t i(0); i != length; ++i)
10260                     sprintf(string + i * 2, "%.2X", bytes[length - i - 1]);
10261                 ChipID_ = [NSString stringWithUTF8String:string];
10262                 CFRelease(ecid);
10263             }
10264
10265             IOObjectRelease(service);
10266         }
10267     }
10268
10269     UniqueID_ = [[UIDevice currentDevice] uniqueIdentifier];
10270
10271     CFStringRef (*$CTSIMSupportCopyMobileSubscriberCountryCode)(CFAllocatorRef);
10272     $CTSIMSupportCopyMobileSubscriberCountryCode = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberCountryCode"));
10273     CFStringRef mcc($CTSIMSupportCopyMobileSubscriberCountryCode == NULL ? NULL : (*$CTSIMSupportCopyMobileSubscriberCountryCode)(kCFAllocatorDefault));
10274
10275     CFStringRef (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(CFAllocatorRef);
10276     $CTSIMSupportCopyMobileSubscriberNetworkCode = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberCountryCode"));
10277     CFStringRef mnc($CTSIMSupportCopyMobileSubscriberNetworkCode == NULL ? NULL : (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(kCFAllocatorDefault));
10278
10279     if (mcc != NULL && mnc != NULL)
10280         PLMN_ = [NSString stringWithFormat:@"%@%@", mcc, mnc];
10281
10282     if (mnc != NULL)
10283         CFRelease(mnc);
10284     if (mcc != NULL)
10285         CFRelease(mcc);
10286
10287     if (NSDictionary *system = [NSDictionary dictionaryWithContentsOfFile:@"/System/Library/CoreServices/SystemVersion.plist"])
10288         Build_ = [system objectForKey:@"ProductBuildVersion"];
10289     if (NSDictionary *info = [NSDictionary dictionaryWithContentsOfFile:@"/Applications/MobileSafari.app/Info.plist"]) {
10290         Product_ = [info objectForKey:@"SafariProductVersion"];
10291         Safari_ = [info objectForKey:@"CFBundleVersion"];
10292     }
10293     /* }}} */
10294     /* Load Database {{{ */
10295     _trace();
10296     Metadata_ = [[[NSMutableDictionary alloc] initWithContentsOfFile:@"/var/lib/cydia/metadata.plist"] autorelease];
10297     _trace();
10298     SectionMap_ = [[[NSDictionary alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Sections" ofType:@"plist"]] autorelease];
10299
10300     if (Metadata_ == NULL)
10301         Metadata_ = [NSMutableDictionary dictionaryWithCapacity:2];
10302     else {
10303         Settings_ = [Metadata_ objectForKey:@"Settings"];
10304
10305         Packages_ = [Metadata_ objectForKey:@"Packages"];
10306         Sections_ = [Metadata_ objectForKey:@"Sections"];
10307         Sources_ = [Metadata_ objectForKey:@"Sources"];
10308
10309         Token_ = [Metadata_ objectForKey:@"Token"];
10310     }
10311
10312     if (Settings_ != nil)
10313         Role_ = [Settings_ objectForKey:@"Role"];
10314
10315     if (Sections_ == nil) {
10316         Sections_ = [[[NSMutableDictionary alloc] initWithCapacity:32] autorelease];
10317         [Metadata_ setObject:Sections_ forKey:@"Sections"];
10318     }
10319
10320     if (Sources_ == nil) {
10321         Sources_ = [[[NSMutableDictionary alloc] initWithCapacity:0] autorelease];
10322         [Metadata_ setObject:Sources_ forKey:@"Sources"];
10323     }
10324     /* }}} */
10325
10326     _trace();
10327     MetaFile_.Open("/var/lib/cydia/metadata.cb0");
10328     _trace();
10329
10330     if (Packages_ != nil) {
10331         bool fail(false);
10332         CFDictionaryApplyFunction((CFDictionaryRef) Packages_, &PackageImport, &fail);
10333         _trace();
10334
10335         if (!fail) {
10336             [Metadata_ removeObjectForKey:@"Packages"];
10337             Packages_ = nil;
10338             Changed_ = true;
10339         }
10340     }
10341
10342     Finishes_ = [NSArray arrayWithObjects:@"return", @"reopen", @"restart", @"reload", @"reboot", nil];
10343
10344 #define MobileSubstrate_(name) \
10345     if (substrate && access("/Library/MobileSubstrate/DynamicLibraries/" #name ".dylib", F_OK) == 0) { \
10346         void *handle(dlopen("/Library/MobileSubstrate/DynamicLibraries/" #name ".dylib", RTLD_LAZY | RTLD_GLOBAL)); \
10347         if (handle == NULL) \
10348             NSLog(@"%s", dlerror()); \
10349     }
10350
10351     MobileSubstrate_(Activator)
10352     MobileSubstrate_(libstatusbar)
10353     MobileSubstrate_(SimulatedKeyEvents)
10354     MobileSubstrate_(WinterBoard)
10355
10356     /*if (substrate && access("/Library/MobileSubstrate/MobileSubstrate.dylib", F_OK) == 0)
10357         dlopen("/Library/MobileSubstrate/MobileSubstrate.dylib", RTLD_LAZY | RTLD_GLOBAL);*/
10358
10359     int version([[NSString stringWithContentsOfFile:@"/var/lib/cydia/firmware.ver"] intValue]);
10360
10361     if (access("/tmp/.cydia.fw", F_OK) == 0) {
10362         unlink("/tmp/.cydia.fw");
10363         goto firmware;
10364     } else if (access("/User", F_OK) != 0 || version < 4) {
10365       firmware:
10366         _trace();
10367         system("/usr/libexec/cydia/firmware.sh");
10368         _trace();
10369     }
10370
10371     _assert([[NSFileManager defaultManager]
10372         createDirectoryAtPath:@"/var/cache/apt/archives/partial"
10373         withIntermediateDirectories:YES
10374         attributes:nil
10375         error:NULL
10376     ]);
10377
10378     if (access("/tmp/cydia.chk", F_OK) == 0) {
10379         if (unlink("/var/cache/apt/pkgcache.bin") == -1)
10380             _assert(errno == ENOENT);
10381         if (unlink("/var/cache/apt/srcpkgcache.bin") == -1)
10382             _assert(errno == ENOENT);
10383     }
10384
10385     /* APT Initialization {{{ */
10386     _assert(pkgInitConfig(*_config));
10387     _assert(pkgInitSystem(*_config, _system));
10388
10389     if (lang != NULL)
10390         _config->Set("APT::Acquire::Translation", lang);
10391
10392     // XXX: this timeout might be important :(
10393     //_config->Set("Acquire::http::Timeout", 15);
10394
10395     _config->Set("Acquire::http::MaxParallel", 3);
10396     /* }}} */
10397     /* Color Choices {{{ */
10398     space_ = CGColorSpaceCreateDeviceRGB();
10399
10400     Blue_.Set(space_, 0.2, 0.2, 1.0, 1.0);
10401     Blueish_.Set(space_, 0x19/255.f, 0x32/255.f, 0x50/255.f, 1.0);
10402     Black_.Set(space_, 0.0, 0.0, 0.0, 1.0);
10403     Off_.Set(space_, 0.9, 0.9, 0.9, 1.0);
10404     White_.Set(space_, 1.0, 1.0, 1.0, 1.0);
10405     Gray_.Set(space_, 0.4, 0.4, 0.4, 1.0);
10406     Green_.Set(space_, 0.0, 0.5, 0.0, 1.0);
10407     Purple_.Set(space_, 0.0, 0.0, 0.7, 1.0);
10408     Purplish_.Set(space_, 0.4, 0.4, 0.8, 1.0);
10409
10410     InstallingColor_ = [UIColor colorWithRed:0.88f green:1.00f blue:0.88f alpha:1.00f];
10411     RemovingColor_ = [UIColor colorWithRed:1.00f green:0.88f blue:0.88f alpha:1.00f];
10412     /* }}}*/
10413     /* UIKit Configuration {{{ */
10414     void (*$GSFontSetUseLegacyFontMetrics)(BOOL)(reinterpret_cast<void (*)(BOOL)>(dlsym(RTLD_DEFAULT, "GSFontSetUseLegacyFontMetrics")));
10415     if ($GSFontSetUseLegacyFontMetrics != NULL)
10416         $GSFontSetUseLegacyFontMetrics(YES);
10417
10418     // XXX: I have a feeling this was important
10419     //UIKeyboardDisableAutomaticAppearance();
10420     /* }}} */
10421
10422     Colon_ = UCLocalize("COLON_DELIMITED");
10423     Elision_ = UCLocalize("ELISION");
10424     Error_ = UCLocalize("ERROR");
10425     Warning_ = UCLocalize("WARNING");
10426
10427     _trace();
10428     int value(UIApplicationMain(argc, argv, @"Cydia", @"Cydia"));
10429
10430     CGColorSpaceRelease(space_);
10431     CFRelease(Locale_);
10432
10433     return value;
10434 }