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(setToken:))
4283         return @"setToken";
4284     else if (selector == @selector(setViewportWidth:))
4285         return @"setViewportWidth";
4286     else if (selector == @selector(statfs:))
4287         return @"statfs";
4288     else if (selector == @selector(supports:))
4289         return @"supports";
4290     else
4291         return nil;
4292 }
4293
4294 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
4295     return [self webScriptNameForSelector:selector] == nil;
4296 }
4297
4298 - (BOOL) supports:(NSString *)feature {
4299     return [feature isEqualToString:@"window.open"];
4300 }
4301
4302 - (void) divert:(NSString *)from :(NSString *)to {
4303     [CYBrowserController performSelectorOnMainThread:@selector(addDiversion:) withObject:[[[Diversion alloc] initWithFrom:from to:to] autorelease] waitUntilDone:NO];
4304 }
4305
4306 - (NSNumber *) getKernelNumber:(NSString *)name {
4307     const char *string([name UTF8String]);
4308
4309     size_t size;
4310     if (sysctlbyname(string, NULL, &size, NULL, 0) == -1)
4311         return (id) [NSNull null];
4312
4313     if (size != sizeof(int))
4314         return (id) [NSNull null];
4315
4316     int value;
4317     if (sysctlbyname(string, &value, &size, NULL, 0) == -1)
4318         return (id) [NSNull null];
4319
4320     return [NSNumber numberWithInt:value];
4321 }
4322
4323 - (NSString *) getKernelString:(NSString *)name {
4324     const char *string([name UTF8String]);
4325
4326     size_t size;
4327     if (sysctlbyname(string, NULL, &size, NULL, 0) == -1)
4328         return (id) [NSNull null];
4329
4330     char value[size + 1];
4331     if (sysctlbyname(string, value, &size, NULL, 0) == -1)
4332         return (id) [NSNull null];
4333
4334     // XXX: just in case you request something ludicrous
4335     value[size] = '\0';
4336
4337     return [NSString stringWithCString:value];
4338 }
4339
4340 - (id) getSessionValue:(NSString *)key {
4341 @synchronized (SessionData_) {
4342     return [SessionData_ objectForKey:key];
4343 } }
4344
4345 - (void) setSessionValue:(NSString *)key :(NSString *)value {
4346 @synchronized (SessionData_) {
4347     if (value == (id) [WebUndefined undefined])
4348         [SessionData_ removeObjectForKey:key];
4349     else
4350         [SessionData_ setObject:value forKey:key];
4351 } }
4352
4353 - (void) addBridgedHost:(NSString *)host {
4354 @synchronized (HostConfig_) {
4355     [BridgedHosts_ addObject:host];
4356 } }
4357
4358 - (void) addPipelinedHost:(NSString *)host scheme:(NSString *)scheme {
4359 @synchronized (HostConfig_) {
4360     if (scheme != (id) [WebUndefined undefined])
4361         host = [NSString stringWithFormat:@"%@:%@", [scheme lowercaseString], host];
4362
4363     [PipelinedHosts_ addObject:host];
4364 } }
4365
4366 - (void) popViewController:(NSNumber *)value {
4367     if (value == (id) [WebUndefined undefined])
4368         value = [NSNumber numberWithBool:YES];
4369     [indirect_ performSelectorOnMainThread:@selector(popViewControllerWithNumber:) withObject:value waitUntilDone:NO];
4370 }
4371
4372 - (void) addTrivialSource:(NSString *)href {
4373     [delegate_ performSelectorOnMainThread:@selector(addTrivialSource:) withObject:href waitUntilDone:NO];
4374 }
4375
4376 - (void) refreshSources {
4377     [delegate_ performSelectorOnMainThread:@selector(syncData) withObject:nil waitUntilDone:NO];
4378 }
4379
4380 - (NSArray *) getAllSources {
4381     return [[Database sharedInstance] sources];
4382 }
4383
4384 - (NSArray *) getInstalledPackages {
4385     Database *database([Database sharedInstance]);
4386 @synchronized (database) {
4387     NSArray *packages([database packages]);
4388     NSMutableArray *installed([NSMutableArray arrayWithCapacity:1024]);
4389     for (Package *package in packages)
4390         if (![package uninstalled])
4391             [installed addObject:package];
4392     return installed;
4393 } }
4394
4395 - (Package *) getPackageById:(NSString *)id {
4396     if (Package *package = [[Database sharedInstance] packageWithName:id]) {
4397         [package parse];
4398         return package;
4399     } else
4400         return (Package *) [NSNull null];
4401 }
4402
4403 - (NSArray *) statfs:(NSString *)path {
4404     struct statfs stat;
4405
4406     if (path == nil || statfs([path UTF8String], &stat) == -1)
4407         return nil;
4408
4409     return [NSArray arrayWithObjects:
4410         [NSNumber numberWithUnsignedLong:stat.f_bsize],
4411         [NSNumber numberWithUnsignedLong:stat.f_blocks],
4412         [NSNumber numberWithUnsignedLong:stat.f_bfree],
4413     nil];
4414 }
4415
4416 - (NSNumber *) du:(NSString *)path {
4417     NSNumber *value(nil);
4418
4419     int fds[2];
4420     _assert(pipe(fds) != -1);
4421
4422     pid_t pid(ExecFork());
4423     if (pid == 0) {
4424         _assert(dup2(fds[1], 1) != -1);
4425         _assert(close(fds[0]) != -1);
4426         _assert(close(fds[1]) != -1);
4427         /* XXX: this should probably not use du */
4428         execl("/usr/libexec/cydia/du", "du", "-s", [path UTF8String], NULL);
4429         exit(1);
4430         _assert(false);
4431     }
4432
4433     _assert(close(fds[1]) != -1);
4434
4435     if (FILE *du = fdopen(fds[0], "r")) {
4436         char line[1024];
4437         while (fgets(line, sizeof(line), du) != NULL) {
4438             size_t length(strlen(line));
4439             while (length != 0 && line[length - 1] == '\n')
4440                 line[--length] = '\0';
4441             if (char *tab = strchr(line, '\t')) {
4442                 *tab = '\0';
4443                 value = [NSNumber numberWithUnsignedLong:strtoul(line, NULL, 0)];
4444             }
4445         }
4446
4447         fclose(du);
4448     } else _assert(close(fds[0]));
4449
4450     int status;
4451   wait:
4452     if (waitpid(pid, &status, 0) == -1)
4453         if (errno == EINTR)
4454             goto wait;
4455         else _assert(false);
4456
4457     return value;
4458 }
4459
4460 - (void) close {
4461     [indirect_ performSelectorOnMainThread:@selector(close) withObject:nil waitUntilDone:NO];
4462 }
4463
4464 - (void) installPackages:(NSArray *)packages {
4465     [delegate_ performSelectorOnMainThread:@selector(installPackages:) withObject:packages waitUntilDone:NO];
4466 }
4467
4468 - (NSString *) substitutePackageNames:(NSString *)message {
4469     NSMutableArray *words([[message componentsSeparatedByString:@" "] mutableCopy]);
4470     for (size_t i(0), e([words count]); i != e; ++i) {
4471         NSString *word([words objectAtIndex:i]);
4472         if (Package *package = [[Database sharedInstance] packageWithName:word])
4473             [words replaceObjectAtIndex:i withObject:[package name]];
4474     }
4475
4476     return [words componentsJoinedByString:@" "];
4477 }
4478
4479 - (void) removeButton {
4480     [indirect_ removeButton];
4481 }
4482
4483 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
4484     [indirect_ setButtonImage:button withStyle:style toFunction:function];
4485 }
4486
4487 - (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
4488     [indirect_ setButtonTitle:button withStyle:style toFunction:function];
4489 }
4490
4491 - (void) setAllowsNavigationAction:(NSString *)value {
4492     [indirect_ performSelectorOnMainThread:@selector(setAllowsNavigationActionByNumber:) withObject:value waitUntilDone:NO];
4493 }
4494
4495 - (void) setHidesBackButton:(NSString *)value {
4496     [indirect_ performSelectorOnMainThread:@selector(setHidesBackButtonByNumber:) withObject:value waitUntilDone:NO];
4497 }
4498
4499 - (void) setHidesNavigationBar:(NSString *)value {
4500     [indirect_ performSelectorOnMainThread:@selector(setHidesNavigationBarByNumber:) withObject:value waitUntilDone:NO];
4501 }
4502
4503 - (void) setNavigationBarStyle:(NSString *)value {
4504     [indirect_ performSelectorOnMainThread:@selector(setNavigationBarStyle:) withObject:value waitUntilDone:NO];
4505 }
4506
4507 - (void) setNavigationBarTintRed:(NSNumber *)red green:(NSNumber *)green blue:(NSNumber *)blue alpha:(NSNumber *)alpha {
4508     float opacity(alpha == (id) [WebUndefined undefined] ? 1 : [alpha floatValue]);
4509     UIColor *color([UIColor colorWithRed:[red floatValue] green:[green floatValue] blue:[blue floatValue] alpha:opacity]);
4510     [indirect_ performSelectorOnMainThread:@selector(setNavigationBarTintColor:) withObject:color waitUntilDone:NO];
4511 }
4512
4513 - (void) _setToken:(NSString *)token {
4514     Token_ = token;
4515
4516     if (token == nil)
4517         [Metadata_ removeObjectForKey:@"Token"];
4518     else
4519         [Metadata_ setObject:Token_ forKey:@"Token"];
4520
4521     Changed_ = true;
4522 }
4523
4524 - (void) setToken:(NSString *)token {
4525     [self performSelectorOnMainThread:@selector(_setToken:) withObject:token waitUntilDone:NO];
4526 }
4527
4528 - (void) scrollToBottom:(NSNumber *)animated {
4529     [indirect_ performSelectorOnMainThread:@selector(scrollToBottomAnimated:) withObject:animated waitUntilDone:NO];
4530 }
4531
4532 - (void) setViewportWidth:(float)width {
4533     [indirect_ setViewportWidthOnMainThread:width];
4534 }
4535
4536 - (NSString *) stringWithFormat:(NSString *)format arguments:(WebScriptObject *)arguments {
4537     //NSLog(@"SWF:\"%@\" A:%@", format, [arguments description]);
4538     unsigned count([arguments count]);
4539     id values[count];
4540     for (unsigned i(0); i != count; ++i)
4541         values[i] = [arguments objectAtIndex:i];
4542     return [[[NSString alloc] initWithFormat:format arguments:reinterpret_cast<va_list>(values)] autorelease];
4543 }
4544
4545 - (NSString *) localizedStringForKey:(NSString *)key value:(NSString *)value table:(NSString *)table {
4546     if (reinterpret_cast<id>(value) == [WebUndefined undefined])
4547         value = nil;
4548     if (reinterpret_cast<id>(table) == [WebUndefined undefined])
4549         table = nil;
4550     return [[NSBundle mainBundle] localizedStringForKey:key value:value table:table];
4551 }
4552
4553 @end
4554 /* }}} */
4555
4556 /* @ Loading... Indicator {{{ */
4557 @interface CYLoadingIndicator : UIView {
4558     _H<UIActivityIndicatorView> spinner_;
4559     _H<UILabel> label_;
4560     _H<UIView> container_;
4561 }
4562
4563 @property (readonly, nonatomic) UILabel *label;
4564 @property (readonly, nonatomic) UIActivityIndicatorView *activityIndicatorView;
4565
4566 @end
4567
4568 @implementation CYLoadingIndicator
4569
4570 - (id) initWithFrame:(CGRect)frame {
4571     if ((self = [super initWithFrame:frame]) != nil) {
4572         container_ = [[[UIView alloc] init] autorelease];
4573         [container_ setAutoresizingMask:UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleBottomMargin];
4574
4575         spinner_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray] autorelease];
4576         [spinner_ startAnimating];
4577         [container_ addSubview:spinner_];
4578
4579         label_ = [[[UILabel alloc] init] autorelease];
4580         [label_ setFont:[UIFont boldSystemFontOfSize:15.0f]];
4581         [label_ setBackgroundColor:[UIColor clearColor]];
4582         [label_ setTextColor:[UIColor blackColor]];
4583         [label_ setShadowColor:[UIColor whiteColor]];
4584         [label_ setShadowOffset:CGSizeMake(0, 1)];
4585         [label_ setText:[NSString stringWithFormat:Elision_, UCLocalize("LOADING"), nil]];
4586         [container_ addSubview:label_];
4587
4588         CGSize viewsize = frame.size;
4589         CGSize spinnersize = [spinner_ bounds].size;
4590         CGSize textsize = [[label_ text] sizeWithFont:[label_ font]];
4591         float bothwidth = spinnersize.width + textsize.width + 5.0f;
4592
4593         CGRect containrect = {
4594             CGPointMake(floorf((viewsize.width / 2) - (bothwidth / 2)), floorf((viewsize.height / 2) - (spinnersize.height / 2))),
4595             CGSizeMake(bothwidth, spinnersize.height)
4596         };
4597         CGRect textrect = {
4598             CGPointMake(spinnersize.width + 5.0f, floorf((spinnersize.height / 2) - (textsize.height / 2))),
4599             textsize
4600         };
4601         CGRect spinrect = {
4602             CGPointZero,
4603             spinnersize
4604         };
4605
4606         [container_ setFrame:containrect];
4607         [spinner_ setFrame:spinrect];
4608         [label_ setFrame:textrect];
4609         [self addSubview:container_];
4610     } return self;
4611 }
4612
4613 - (UILabel *) label {
4614     return label_;
4615 }
4616
4617 - (UIActivityIndicatorView *) activityIndicatorView {
4618     return spinner_;
4619 }
4620
4621 @end
4622 /* }}} */
4623 /* Emulated Loading Controller {{{ */
4624 @interface CYEmulatedLoadingController : CYViewController {
4625     _transient Database *database_;
4626     _H<CYLoadingIndicator> indicator_;
4627     _H<UITabBar> tabbar_;
4628     _H<UINavigationBar> navbar_;
4629 }
4630
4631 @end
4632
4633 @implementation CYEmulatedLoadingController
4634
4635 - (id) initWithDatabase:(Database *)database {
4636     if ((self = [super init]) != nil) {
4637         database_ = database;
4638     } return self;
4639 }
4640
4641 - (void) loadView {
4642     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
4643
4644     UITableView *table([[[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped] autorelease]);
4645     [table setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
4646     [[self view] addSubview:table];
4647
4648     indicator_ = [[[CYLoadingIndicator alloc] initWithFrame:[[self view] bounds]] autorelease];
4649     [indicator_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
4650     [[self view] addSubview:indicator_];
4651
4652     tabbar_ = [[[UITabBar alloc] initWithFrame:CGRectMake(0, 0, 0, 49.0f)] autorelease];
4653     [tabbar_ setFrame:CGRectMake(0.0f, [[self view] bounds].size.height - [tabbar_ bounds].size.height, [[self view] bounds].size.width, [tabbar_ bounds].size.height)];
4654     [tabbar_ setAutoresizingMask:UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleWidth];
4655     [[self view] addSubview:tabbar_];
4656
4657     navbar_ = [[[UINavigationBar alloc] initWithFrame:CGRectMake(0, 0, 0, 44.0f)] autorelease];
4658     [navbar_ setFrame:CGRectMake(0.0f, 0.0f, [[self view] bounds].size.width, [navbar_ bounds].size.height)];
4659     [navbar_ setAutoresizingMask:UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleWidth];
4660     [[self view] addSubview:navbar_];
4661 }
4662
4663 - (void) releaseSubviews {
4664     indicator_ = nil;
4665     tabbar_ = nil;
4666     navbar_ = nil;
4667 }
4668
4669 @end
4670 /* }}} */
4671
4672 /* Cydia Browser Controller {{{ */
4673 @implementation CYBrowserController
4674
4675 - (void) dealloc {
4676     [cydia_ release];
4677     [super dealloc];
4678 }
4679
4680 - (NSURL *) navigationURL {
4681     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://url/%@", [[request_ URL] absoluteString]]];
4682 }
4683
4684 + (void) initialize {
4685     Diversions_ = [[NSMutableSet alloc] initWithCapacity:0];
4686 }
4687
4688 + (void) addDiversion:(Diversion *)diversion {
4689     [Diversions_ addObject:diversion];
4690 }
4691
4692 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4693     [super webView:view didClearWindowObject:window forFrame:frame];
4694
4695     WebDataSource *source([frame dataSource]);
4696     NSURLResponse *response([source response]);
4697     NSURL *url([response URL]);
4698     NSString *scheme([[url scheme] lowercaseString]);
4699
4700     bool bridged(false);
4701
4702     @synchronized (HostConfig_) {
4703         if ([scheme isEqualToString:@"file"])
4704             bridged = true;
4705         else if ([scheme isEqualToString:@"https"])
4706             if ([BridgedHosts_ containsObject:[url host]])
4707                 bridged = true;
4708     }
4709
4710     if (bridged)
4711         [window setValue:cydia_ forKey:@"cydia"];
4712 }
4713
4714 - (NSURLRequest *) webView:(WebView *)view resource:(id)resource willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
4715     NSMutableURLRequest *copy([[super webView:view resource:resource willSendRequest:request redirectResponse:response fromDataSource:source] mutableCopy]);
4716
4717     [copy setURL:[Diversion divertURL:[copy URL]]];
4718
4719     if (System_ != NULL)
4720         [copy setValue:System_ forHTTPHeaderField:@"X-System"];
4721     if (Machine_ != NULL)
4722         [copy setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
4723     if (Token_ != nil)
4724         [copy setValue:Token_ forHTTPHeaderField:@"X-Cydia-Token"];
4725
4726     return copy;
4727 }
4728
4729 - (void) setDelegate:(id)delegate {
4730     [super setDelegate:delegate];
4731     [cydia_ setDelegate:delegate];
4732 }
4733
4734 - (id) init {
4735     if ((self = [super initWithWidth:0 ofClass:[CYBrowserController class]]) != nil) {
4736         cydia_ = [[CydiaObject alloc] initWithDelegate:indirect_];
4737
4738         WebView *webview([[webview_ _documentView] webView]);
4739
4740         NSString *application([NSString stringWithFormat:@"Cydia/%@", @ Cydia_]);
4741
4742         if (Safari_ != nil)
4743             application = [NSString stringWithFormat:@"Safari/%@ %@", Safari_, application];
4744         if (Build_ != nil)
4745             application = [NSString stringWithFormat:@"Mobile/%@ %@", Build_, application];
4746         if (Product_ != nil)
4747             application = [NSString stringWithFormat:@"Version/%@ %@", Product_, application];
4748
4749         [webview setApplicationNameForUserAgent:application];
4750     } return self;
4751 }
4752
4753 @end
4754 /* }}} */
4755
4756 // CydiaScript {{{
4757 @interface NSObject (CydiaScript)
4758 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context;
4759 @end
4760
4761 @implementation NSObject (CydiaScript)
4762
4763 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4764     return self;
4765 }
4766
4767 @end
4768
4769 @implementation NSArray (CydiaScript)
4770
4771 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4772     WebScriptObject *object([context evaluateWebScript:@"[]"]);
4773     for (size_t i(0), e([self count]); i != e; ++i)
4774         [object setWebScriptValueAtIndex:i value:[[self objectAtIndex:i] Cydia$webScriptObjectInContext:context]];
4775     return object;
4776 }
4777
4778 @end
4779
4780 @implementation NSDictionary (CydiaScript)
4781
4782 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4783     WebScriptObject *object([context evaluateWebScript:@"({})"]);
4784     for (id i in self)
4785         [object setValue:[[self objectForKey:i] Cydia$webScriptObjectInContext:context] forKey:i];
4786     return object;
4787 }
4788
4789 @end
4790 // }}}
4791
4792 /* Confirmation Controller {{{ */
4793 bool DepSubstrate(const pkgCache::VerIterator &iterator) {
4794     if (!iterator.end())
4795         for (pkgCache::DepIterator dep(iterator.DependsList()); !dep.end(); ++dep) {
4796             if (dep->Type != pkgCache::Dep::Depends && dep->Type != pkgCache::Dep::PreDepends)
4797                 continue;
4798             pkgCache::PkgIterator package(dep.TargetPkg());
4799             if (package.end())
4800                 continue;
4801             if (strcmp(package.Name(), "mobilesubstrate") == 0)
4802                 return true;
4803         }
4804
4805     return false;
4806 }
4807
4808 @protocol ConfirmationControllerDelegate
4809 - (void) cancelAndClear:(bool)clear;
4810 - (void) confirmWithNavigationController:(UINavigationController *)navigation;
4811 - (void) queue;
4812 @end
4813
4814 @interface ConfirmationController : CYBrowserController {
4815     _transient Database *database_;
4816
4817     UIAlertView *essential_;
4818
4819     NSDictionary *changes_;
4820     NSMutableArray *issues_;
4821     NSDictionary *sizes_;
4822
4823     BOOL substrate_;
4824 }
4825
4826 - (id) initWithDatabase:(Database *)database;
4827
4828 @end
4829
4830 @implementation ConfirmationController
4831
4832 - (void) dealloc {
4833     [changes_ release];
4834     [issues_ release];
4835     [sizes_ release];
4836
4837     if (essential_ != nil)
4838         [essential_ release];
4839
4840     [super dealloc];
4841 }
4842
4843 - (void) complete {
4844     if (substrate_)
4845         RestartSubstrate_ = true;
4846     [delegate_ confirmWithNavigationController:[self navigationController]];
4847 }
4848
4849 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
4850     NSString *context([alert context]);
4851
4852     if ([context isEqualToString:@"remove"]) {
4853         if (button == [alert cancelButtonIndex])
4854             [self dismissModalViewControllerAnimated:YES];
4855         else if (button == [alert firstOtherButtonIndex]) {
4856             [self complete];
4857         }
4858
4859         [alert dismissWithClickedButtonIndex:-1 animated:YES];
4860     } else if ([context isEqualToString:@"unable"]) {
4861         [self dismissModalViewControllerAnimated:YES];
4862         [alert dismissWithClickedButtonIndex:-1 animated:YES];
4863     } else {
4864         [super alertView:alert clickedButtonAtIndex:button];
4865     }
4866 }
4867
4868 - (void) _doContinue {
4869     [self dismissModalViewControllerAnimated:YES];
4870     [delegate_ cancelAndClear:NO];
4871 }
4872
4873 - (id) invokeDefaultMethodWithArguments:(NSArray *)args {
4874     [self performSelectorOnMainThread:@selector(_doContinue) withObject:nil waitUntilDone:NO];
4875     return nil;
4876 }
4877
4878 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4879     [super webView:view didClearWindowObject:window forFrame:frame];
4880
4881     [window setValue:[[NSDictionary dictionaryWithObjectsAndKeys:
4882         changes_, @"changes",
4883         issues_, @"issues",
4884         sizes_, @"sizes",
4885         self, @"queue",
4886     nil] Cydia$webScriptObjectInContext:window] forKey:@"cydiaConfirm"];
4887 }
4888
4889 - (id) initWithDatabase:(Database *)database {
4890     if ((self = [super init]) != nil) {
4891         database_ = database;
4892
4893         NSMutableArray *installs([NSMutableArray arrayWithCapacity:16]);
4894         NSMutableArray *reinstalls([NSMutableArray arrayWithCapacity:16]);
4895         NSMutableArray *upgrades([NSMutableArray arrayWithCapacity:16]);
4896         NSMutableArray *downgrades([NSMutableArray arrayWithCapacity:16]);
4897         NSMutableArray *removes([NSMutableArray arrayWithCapacity:16]);
4898
4899         bool remove(false);
4900
4901         pkgCacheFile &cache([database_ cache]);
4902         NSArray *packages([database_ packages]);
4903         pkgDepCache::Policy *policy([database_ policy]);
4904
4905         issues_ = [[NSMutableArray arrayWithCapacity:4] retain];
4906
4907         for (Package *package in packages) {
4908             pkgCache::PkgIterator iterator([package iterator]);
4909             NSString *name([package id]);
4910
4911             if ([package broken]) {
4912                 NSMutableArray *reasons([NSMutableArray arrayWithCapacity:4]);
4913
4914                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4915                     name, @"package",
4916                     reasons, @"reasons",
4917                 nil]];
4918
4919                 pkgCache::VerIterator ver(cache[iterator].InstVerIter(cache));
4920                 if (ver.end())
4921                     continue;
4922
4923                 for (pkgCache::DepIterator dep(ver.DependsList()); !dep.end(); ) {
4924                     pkgCache::DepIterator start;
4925                     pkgCache::DepIterator end;
4926                     dep.GlobOr(start, end); // ++dep
4927
4928                     if (!cache->IsImportantDep(end))
4929                         continue;
4930                     if ((cache[end] & pkgDepCache::DepGInstall) != 0)
4931                         continue;
4932
4933                     NSMutableArray *clauses([NSMutableArray arrayWithCapacity:4]);
4934
4935                     [reasons addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4936                         [NSString stringWithUTF8String:start.DepType()], @"relationship",
4937                         clauses, @"clauses",
4938                     nil]];
4939
4940                     _forever {
4941                         NSString *reason, *installed((NSString *) [WebUndefined undefined]);
4942
4943                         pkgCache::PkgIterator target(start.TargetPkg());
4944                         if (target->ProvidesList != 0)
4945                             reason = @"missing";
4946                         else {
4947                             pkgCache::VerIterator ver(cache[target].InstVerIter(cache));
4948                             if (!ver.end()) {
4949                                 reason = @"installed";
4950                                 installed = [NSString stringWithUTF8String:ver.VerStr()];
4951                             } else if (!cache[target].CandidateVerIter(cache).end())
4952                                 reason = @"uninstalled";
4953                             else if (target->ProvidesList == 0)
4954                                 reason = @"uninstallable";
4955                             else
4956                                 reason = @"virtual";
4957                         }
4958
4959                         NSDictionary *version(start.TargetVer() == 0 ? [NSNull null] : [NSDictionary dictionaryWithObjectsAndKeys:
4960                             [NSString stringWithUTF8String:start.CompType()], @"operator",
4961                             [NSString stringWithUTF8String:start.TargetVer()], @"value",
4962                         nil]);
4963
4964                         [clauses addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4965                             [NSString stringWithUTF8String:start.TargetPkg().Name()], @"package",
4966                             version, @"version",
4967                             reason, @"reason",
4968                             installed, @"installed",
4969                         nil]];
4970
4971                         // yes, seriously. (wtf?)
4972                         if (start == end)
4973                             break;
4974                         ++start;
4975                     }
4976                 }
4977             }
4978
4979             pkgDepCache::StateCache &state(cache[iterator]);
4980
4981             static Pcre special_r("^(firmware$|gsc\\.|cy\\+)");
4982
4983             if (state.NewInstall())
4984                 [installs addObject:name];
4985             else if (!state.Delete() && (state.iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall)
4986                 [reinstalls addObject:name];
4987             else if (state.Upgrade())
4988                 [upgrades addObject:name];
4989             else if (state.Downgrade())
4990                 [downgrades addObject:name];
4991             else if (!state.Delete())
4992                 continue;
4993             else if (special_r(name))
4994                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4995                     [NSNull null], @"package",
4996                     [NSArray arrayWithObjects:
4997                         [NSDictionary dictionaryWithObjectsAndKeys:
4998                             @"Conflicts", @"relationship",
4999                             [NSArray arrayWithObjects:
5000                                 [NSDictionary dictionaryWithObjectsAndKeys:
5001                                     name, @"package",
5002                                     [NSNull null], @"version",
5003                                     @"installed", @"reason",
5004                                 nil],
5005                             nil], @"clauses",
5006                         nil],
5007                     nil], @"reasons",
5008                 nil]];
5009             else {
5010                 if ([package essential])
5011                     remove = true;
5012                 [removes addObject:name];
5013             }
5014
5015             substrate_ |= DepSubstrate(policy->GetCandidateVer(iterator));
5016             substrate_ |= DepSubstrate(iterator.CurrentVer());
5017         }
5018
5019         if (!remove)
5020             essential_ = nil;
5021         else if (Advanced_) {
5022             NSString *parenthetical(UCLocalize("PARENTHETICAL"));
5023
5024             essential_ = [[UIAlertView alloc]
5025                 initWithTitle:UCLocalize("REMOVING_ESSENTIALS")
5026                 message:UCLocalize("REMOVING_ESSENTIALS_EX")
5027                 delegate:self
5028                 cancelButtonTitle:[NSString stringWithFormat:parenthetical, UCLocalize("CANCEL_OPERATION"), UCLocalize("SAFE")]
5029                 otherButtonTitles:
5030                     [NSString stringWithFormat:parenthetical, UCLocalize("FORCE_REMOVAL"), UCLocalize("UNSAFE")],
5031                 nil
5032             ];
5033
5034             [essential_ setContext:@"remove"];
5035         } else {
5036             essential_ = [[UIAlertView alloc]
5037                 initWithTitle:UCLocalize("UNABLE_TO_COMPLY")
5038                 message:UCLocalize("UNABLE_TO_COMPLY_EX")
5039                 delegate:self
5040                 cancelButtonTitle:UCLocalize("OKAY")
5041                 otherButtonTitles:nil
5042             ];
5043
5044             [essential_ setContext:@"unable"];
5045         }
5046
5047         changes_ = [[NSDictionary alloc] initWithObjectsAndKeys:
5048             installs, @"installs",
5049             reinstalls, @"reinstalls",
5050             upgrades, @"upgrades",
5051             downgrades, @"downgrades",
5052             removes, @"removes",
5053         nil];
5054
5055         sizes_ = [[NSDictionary alloc] initWithObjectsAndKeys:
5056             [NSNumber numberWithInteger:[database_ fetcher].FetchNeeded()], @"downloading",
5057             [NSNumber numberWithInteger:[database_ fetcher].PartialPresent()], @"resuming",
5058         nil];
5059
5060         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/confirm/", UI_]]];
5061
5062         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
5063             initWithTitle:UCLocalize("CANCEL")
5064             style:UIBarButtonItemStylePlain
5065             target:self
5066             action:@selector(cancelButtonClicked)
5067         ] autorelease]];
5068     } return self;
5069 }
5070
5071 #if !AlwaysReload
5072 - (void) applyRightButton {
5073     if ([issues_ count] == 0 && ![self isLoading])
5074         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
5075             initWithTitle:UCLocalize("CONFIRM")
5076             style:UIBarButtonItemStyleDone
5077             target:self
5078             action:@selector(confirmButtonClicked)
5079         ] autorelease]];
5080     else
5081         [[self navigationItem] setRightBarButtonItem:nil];
5082 }
5083 #endif
5084
5085 - (void) cancelButtonClicked {
5086     [self dismissModalViewControllerAnimated:YES];
5087     [delegate_ cancelAndClear:YES];
5088 }
5089
5090 #if !AlwaysReload
5091 - (void) confirmButtonClicked {
5092     if (essential_ != nil)
5093         [essential_ show];
5094     else
5095         [self complete];
5096 }
5097 #endif
5098
5099 @end
5100 /* }}} */
5101
5102 /* Progress Data {{{ */
5103 @interface CydiaProgressData : NSObject {
5104     _transient id delegate_;
5105
5106     bool running_;
5107     float percent_;
5108
5109     float current_;
5110     float total_;
5111     float speed_;
5112
5113     _H<NSMutableArray> events_;
5114     _H<NSString> title_;
5115
5116     _H<NSString> status_;
5117     _H<NSString> finish_;
5118 }
5119
5120 @end
5121
5122 @implementation CydiaProgressData
5123
5124 + (NSArray *) _attributeKeys {
5125     return [NSArray arrayWithObjects:
5126         @"current",
5127         @"events",
5128         @"finish",
5129         @"percent",
5130         @"running",
5131         @"speed",
5132         @"title",
5133         @"total",
5134     nil];
5135 }
5136
5137 - (NSArray *) attributeKeys {
5138     return [[self class] _attributeKeys];
5139 }
5140
5141 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
5142     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
5143 }
5144
5145 - (id) init {
5146     if ((self = [super init]) != nil) {
5147         events_ = [NSMutableArray arrayWithCapacity:32];
5148     } return self;
5149 }
5150
5151 - (void) setDelegate:(id)delegate {
5152     delegate_ = delegate;
5153 }
5154
5155 - (void) setPercent:(float)value {
5156     percent_ = value;
5157 }
5158
5159 - (NSNumber *) percent {
5160     return [NSNumber numberWithFloat:percent_];
5161 }
5162
5163 - (void) setCurrent:(float)value {
5164     current_ = value;
5165 }
5166
5167 - (NSNumber *) current {
5168     return [NSNumber numberWithFloat:current_];
5169 }
5170
5171 - (void) setTotal:(float)value {
5172     total_ = value;
5173 }
5174
5175 - (NSNumber *) total {
5176     return [NSNumber numberWithFloat:total_];
5177 }
5178
5179 - (void) setSpeed:(float)value {
5180     speed_ = value;
5181 }
5182
5183 - (NSNumber *) speed {
5184     return [NSNumber numberWithFloat:speed_];
5185 }
5186
5187 - (NSArray *) events {
5188     return events_;
5189 }
5190
5191 - (void) removeAllEvents {
5192     [events_ removeAllObjects];
5193 }
5194
5195 - (void) addEvent:(CydiaProgressEvent *)event {
5196     [events_ addObject:event];
5197 }
5198
5199 - (void) setTitle:(NSString *)text {
5200     title_ = text;
5201 }
5202
5203 - (NSString *) title {
5204     return title_;
5205 }
5206
5207 - (void) setFinish:(NSString *)text {
5208     finish_ = text;
5209 }
5210
5211 - (NSString *) finish {
5212     return (id) finish_ ?: [NSNull null];
5213 }
5214
5215 - (void) setRunning:(bool)running {
5216     running_ = running;
5217 }
5218
5219 - (NSNumber *) running {
5220     return running_ ? (NSNumber *) kCFBooleanTrue : (NSNumber *) kCFBooleanFalse;
5221 }
5222
5223 @end
5224 /* }}} */
5225 /* Progress Controller {{{ */
5226 @interface ProgressController : CYBrowserController <
5227     ProgressDelegate
5228 > {
5229     _transient Database *database_;
5230     _H<CydiaProgressData> progress_;
5231     unsigned cancel_;
5232 }
5233
5234 - (id) initWithDatabase:(Database *)database delegate:(id)delegate;
5235
5236 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title;
5237
5238 - (void) setTitle:(NSString *)title;
5239 - (void) setCancellable:(bool)cancellable;
5240
5241 @end
5242
5243 @implementation ProgressController
5244
5245 - (void) dealloc {
5246     [database_ setProgressDelegate:nil];
5247     [progress_ setDelegate:nil];
5248     [super dealloc];
5249 }
5250
5251 - (void) updateCancel {
5252     [[self navigationItem] setLeftBarButtonItem:(cancel_ == 1 ? [[[UIBarButtonItem alloc]
5253         initWithTitle:UCLocalize("CANCEL")
5254         style:UIBarButtonItemStylePlain
5255         target:self
5256         action:@selector(cancel)
5257     ] autorelease] : nil)];
5258 }
5259
5260 - (id) initWithDatabase:(Database *)database delegate:(id)delegate {
5261     if ((self = [super init]) != nil) {
5262         database_ = database;
5263         delegate_ = delegate;
5264
5265         [database_ setProgressDelegate:self];
5266
5267         progress_ = [[[CydiaProgressData alloc] init] autorelease];
5268         [progress_ setDelegate:self];
5269
5270         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/progress/", UI_]]];
5271
5272         [scroller_ setBackgroundColor:[UIColor blackColor]];
5273
5274         [[self navigationItem] setHidesBackButton:YES];
5275
5276         [self updateCancel];
5277     } return self;
5278 }
5279
5280 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
5281     [super webView:view didClearWindowObject:window forFrame:frame];
5282     [window setValue:progress_ forKey:@"cydiaProgress"];
5283 }
5284
5285 - (void) updateProgress {
5286     [self dispatchEvent:@"CydiaProgressUpdate"];
5287 }
5288
5289 - (void) viewWillAppear:(BOOL)animated {
5290     [[[self navigationController] navigationBar] setBarStyle:UIBarStyleBlack];
5291     [super viewWillAppear:animated];
5292 }
5293
5294 - (void) close {
5295     UpdateExternalStatus(0);
5296
5297     switch (Finish_) {
5298         case 0:
5299         break;
5300
5301         case 1:
5302             [delegate_ terminateWithSuccess];
5303             /*if ([delegate_ respondsToSelector:@selector(suspendWithAnimation:)])
5304                 [delegate_ suspendWithAnimation:YES];
5305             else
5306                 [delegate_ suspend];*/
5307         break;
5308
5309         case 2:
5310             _trace();
5311             goto reload;
5312
5313         case 3:
5314             _trace();
5315             goto reload;
5316
5317         reload:
5318             system("/usr/bin/sbreload");
5319             _trace();
5320         break;
5321
5322         case 4:
5323             _trace();
5324             if (void (*SBReboot)(mach_port_t) = reinterpret_cast<void (*)(mach_port_t)>(dlsym(RTLD_DEFAULT, "SBReboot")))
5325                 SBReboot(SBSSpringBoardServerPort());
5326             else
5327                 reboot2(RB_AUTOBOOT);
5328         break;
5329     }
5330
5331     [super close];
5332 }
5333
5334 - (void) setTitle:(NSString *)title {
5335     [progress_ setTitle:title];
5336     [self updateProgress];
5337 }
5338
5339 - (UIBarButtonItem *) rightButton {
5340     return [[progress_ running] boolValue] ? nil : [[[UIBarButtonItem alloc]
5341         initWithTitle:UCLocalize("CLOSE")
5342         style:UIBarButtonItemStylePlain
5343         target:self
5344         action:@selector(close)
5345     ] autorelease];
5346 }
5347
5348 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title {
5349     UpdateExternalStatus(1);
5350
5351     [progress_ setRunning:true];
5352     [self setTitle:title];
5353     // implicit updateProgress
5354
5355     SHA1SumValue notifyconf; {
5356         FileFd file;
5357         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
5358             _error->Discard();
5359         else {
5360             MMap mmap(file, MMap::ReadOnly);
5361             SHA1Summation sha1;
5362             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5363             notifyconf = sha1.Result();
5364         }
5365     }
5366
5367     SHA1SumValue springlist; {
5368         FileFd file;
5369         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
5370             _error->Discard();
5371         else {
5372             MMap mmap(file, MMap::ReadOnly);
5373             SHA1Summation sha1;
5374             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5375             springlist = sha1.Result();
5376         }
5377     }
5378
5379     if (invocation != nil) {
5380         [invocation yieldToSelector:@selector(invoke)];
5381         [self setTitle:@"COMPLETE"];
5382     }
5383
5384     if (Finish_ < 4) {
5385         FileFd file;
5386         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
5387             _error->Discard();
5388         else {
5389             MMap mmap(file, MMap::ReadOnly);
5390             SHA1Summation sha1;
5391             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5392             if (!(notifyconf == sha1.Result()))
5393                 Finish_ = 4;
5394         }
5395     }
5396
5397     if (Finish_ < 3) {
5398         FileFd file;
5399         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
5400             _error->Discard();
5401         else {
5402             MMap mmap(file, MMap::ReadOnly);
5403             SHA1Summation sha1;
5404             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5405             if (!(springlist == sha1.Result()))
5406                 Finish_ = 3;
5407         }
5408     }
5409
5410     if (Finish_ < 2) {
5411         if (RestartSubstrate_)
5412             Finish_ = 2;
5413     }
5414
5415     RestartSubstrate_ = false;
5416
5417     switch (Finish_) {
5418         case 0: [progress_ setFinish:UCLocalize("RETURN_TO_CYDIA")]; break; /* XXX: Maybe UCLocalize("DONE")? */
5419         case 1: [progress_ setFinish:UCLocalize("CLOSE_CYDIA")]; break;
5420         case 2: [progress_ setFinish:UCLocalize("RESTART_SPRINGBOARD")]; break;
5421         case 3: [progress_ setFinish:UCLocalize("RELOAD_SPRINGBOARD")]; break;
5422         case 4: [progress_ setFinish:UCLocalize("REBOOT_DEVICE")]; break;
5423     }
5424
5425     _trace();
5426     system("su -c /usr/bin/uicache mobile");
5427     _trace();
5428
5429     UpdateExternalStatus(Finish_ == 0 ? 0 : 2);
5430
5431     [progress_ setRunning:false];
5432     [self updateProgress];
5433
5434     [self applyRightButton];
5435 }
5436
5437 - (void) addProgressEvent:(CydiaProgressEvent *)event {
5438     [progress_ addEvent:event];
5439     [self updateProgress];
5440 }
5441
5442 - (bool) isProgressCancelled {
5443     return cancel_ == 2;
5444 }
5445
5446 - (void) cancel {
5447     cancel_ = 2;
5448     [self updateCancel];
5449 }
5450
5451 - (void) setCancellable:(bool)cancellable {
5452     unsigned cancel(cancel_);
5453
5454     if (!cancellable)
5455         cancel_ = 0;
5456     else if (cancel_ == 0)
5457         cancel_ = 1;
5458
5459     if (cancel != cancel_)
5460         [self updateCancel];
5461 }
5462
5463 - (void) setProgressCancellable:(NSNumber *)cancellable {
5464     [self setCancellable:[cancellable boolValue]];
5465 }
5466
5467 - (void) setProgressPercent:(NSNumber *)percent {
5468     [progress_ setPercent:[percent floatValue]];
5469     [self updateProgress];
5470 }
5471
5472 - (void) setProgressStatus:(NSDictionary *)status {
5473     if (status == nil) {
5474         [progress_ setCurrent:0];
5475         [progress_ setTotal:0];
5476         [progress_ setSpeed:0];
5477     } else {
5478         [progress_ setPercent:[[status objectForKey:@"Percent"] floatValue]];
5479
5480         [progress_ setCurrent:[[status objectForKey:@"Current"] floatValue]];
5481         [progress_ setTotal:[[status objectForKey:@"Total"] floatValue]];
5482         [progress_ setSpeed:[[status objectForKey:@"Speed"] floatValue]];
5483     }
5484
5485     [self updateProgress];
5486 }
5487
5488 @end
5489 /* }}} */
5490
5491 /* Cell Content View {{{ */
5492 @protocol ContentDelegate
5493 - (void) drawContentRect:(CGRect)rect;
5494 @end
5495
5496 @interface ContentView : UIView {
5497     _transient id<ContentDelegate> delegate_;
5498 }
5499
5500 @end
5501
5502 @implementation ContentView
5503
5504 - (id) initWithFrame:(CGRect)frame {
5505     if ((self = [super initWithFrame:frame]) != nil) {
5506         [self setNeedsDisplayOnBoundsChange:YES];
5507     } return self;
5508 }
5509
5510 - (void) setDelegate:(id<ContentDelegate>)delegate {
5511     delegate_ = delegate;
5512 }
5513
5514 - (void) drawRect:(CGRect)rect {
5515     [super drawRect:rect];
5516     [delegate_ drawContentRect:rect];
5517 }
5518
5519 @end
5520 /* }}} */
5521 /* Cydia TableView Cell {{{ */
5522 @interface CYTableViewCell : UITableViewCell {
5523     ContentView *content_;
5524     bool highlighted_;
5525 }
5526
5527 @end
5528
5529 @implementation CYTableViewCell
5530
5531 - (void) dealloc {
5532     [content_ release];
5533     [super dealloc];
5534 }
5535
5536 - (void) _updateHighlightColorsForView:(id)view highlighted:(BOOL)highlighted {
5537     //NSLog(@"_updateHighlightColorsForView:%@ highlighted:%s [content_=%@]", view, highlighted ? "YES" : "NO", content_);
5538
5539     if (view == content_) {
5540         //NSLog(@"_updateHighlightColorsForView:content_ highlighted:%s", highlighted ? "YES" : "NO", content_);
5541         highlighted_ = highlighted;
5542     }
5543
5544     [super _updateHighlightColorsForView:view highlighted:highlighted];
5545 }
5546
5547 - (void) setSelected:(BOOL)selected animated:(BOOL)animated {
5548     //NSLog(@"setSelected:%s animated:%s", selected ? "YES" : "NO", animated ? "YES" : "NO");
5549     highlighted_ = selected;
5550
5551     [super setSelected:selected animated:animated];
5552     [content_ setNeedsDisplay];
5553 }
5554
5555 @end
5556 /* }}} */
5557
5558 /* Package Cell {{{ */
5559 @interface PackageCell : CYTableViewCell <
5560     ContentDelegate
5561 > {
5562     UIImage *icon_;
5563     NSString *name_;
5564     NSString *description_;
5565     bool commercial_;
5566     NSString *source_;
5567     UIImage *badge_;
5568     Package *package_;
5569     UIImage *placard_;
5570 }
5571
5572 - (PackageCell *) init;
5573 - (void) setPackage:(Package *)package;
5574
5575 - (void) drawContentRect:(CGRect)rect;
5576
5577 @end
5578
5579 @implementation PackageCell
5580
5581 - (void) clearPackage {
5582     if (icon_ != nil) {
5583         [icon_ release];
5584         icon_ = nil;
5585     }
5586
5587     if (name_ != nil) {
5588         [name_ release];
5589         name_ = nil;
5590     }
5591
5592     if (description_ != nil) {
5593         [description_ release];
5594         description_ = nil;
5595     }
5596
5597     if (source_ != nil) {
5598         [source_ release];
5599         source_ = nil;
5600     }
5601
5602     if (badge_ != nil) {
5603         [badge_ release];
5604         badge_ = nil;
5605     }
5606
5607     if (placard_ != nil) {
5608         [placard_ release];
5609         placard_ = nil;
5610     }
5611
5612     [package_ release];
5613     package_ = nil;
5614 }
5615
5616 - (void) dealloc {
5617     [self clearPackage];
5618     [super dealloc];
5619 }
5620
5621 - (PackageCell *) init {
5622     CGRect frame(CGRectMake(0, 0, 320, 74));
5623     if ((self = [super initWithFrame:frame reuseIdentifier:@"Package"]) != nil) {
5624         UIView *content([self contentView]);
5625         CGRect bounds([content bounds]);
5626
5627         content_ = [[ContentView alloc] initWithFrame:bounds];
5628         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5629         [content addSubview:content_];
5630
5631         [content_ setDelegate:self];
5632         [content_ setOpaque:YES];
5633     } return self;
5634 }
5635
5636 - (NSString *) accessibilityLabel {
5637     return [NSString stringWithFormat:UCLocalize("COLON_DELIMITED"), name_, description_];
5638 }
5639
5640 - (void) setPackage:(Package *)package {
5641     [self clearPackage];
5642     [package parse];
5643
5644     Source *source = [package source];
5645
5646     icon_ = [[package icon] retain];
5647     name_ = [[package name] retain];
5648
5649     if (IsWildcat_)
5650         description_ = [package longDescription];
5651     if (description_ == nil)
5652         description_ = [package shortDescription];
5653     if (description_ != nil)
5654         description_ = [description_ retain];
5655
5656     commercial_ = [package isCommercial];
5657
5658     package_ = [package retain];
5659
5660     NSString *label = nil;
5661     bool trusted = false;
5662
5663     if (source != nil) {
5664         label = [source label];
5665         trusted = [source trusted];
5666     } else if ([[package id] isEqualToString:@"firmware"])
5667         label = UCLocalize("APPLE");
5668     else
5669         label = [NSString stringWithFormat:UCLocalize("SLASH_DELIMITED"), UCLocalize("UNKNOWN"), UCLocalize("LOCAL")];
5670
5671     NSString *from(label);
5672
5673     NSString *section = [package simpleSection];
5674     if (section != nil && ![section isEqualToString:label]) {
5675         section = [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
5676         from = [NSString stringWithFormat:UCLocalize("PARENTHETICAL"), from, section];
5677     }
5678
5679     from = [NSString stringWithFormat:UCLocalize("FROM"), from];
5680     source_ = [from retain];
5681
5682     if (NSString *purpose = [package primaryPurpose])
5683         if ((badge_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Purposes/%@.png", App_, purpose]]) != nil)
5684             badge_ = [badge_ retain];
5685
5686     UIColor *color;
5687     NSString *placard;
5688
5689     if (NSString *mode = [package_ mode]) {
5690         if ([mode isEqualToString:@"REMOVE"] || [mode isEqualToString:@"PURGE"]) {
5691             color = RemovingColor_;
5692             //placard = @"removing";
5693         } else {
5694             color = InstallingColor_;
5695             //placard = @"installing";
5696         }
5697
5698         // XXX: the removing/installing placards are not @2x
5699         placard = nil;
5700     } else {
5701         color = [UIColor whiteColor];
5702
5703         if ([package installed] != nil)
5704             placard = @"installed";
5705         else
5706             placard = nil;
5707     }
5708
5709     [content_ setBackgroundColor:color];
5710
5711     if (placard != nil)
5712         if ((placard_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/%@.png", App_, placard]]) != nil)
5713             placard_ = [placard_ retain];
5714
5715     [self setNeedsDisplay];
5716     [content_ setNeedsDisplay];
5717 }
5718
5719 - (void) drawContentRect:(CGRect)rect {
5720     bool highlighted(highlighted_);
5721     float width([self bounds].size.width);
5722
5723 #if 0
5724     CGContextRef context(UIGraphicsGetCurrentContext());
5725     [([[self selectedBackgroundView] superview] != nil ? [UIColor clearColor] : [self backgroundColor]) set];
5726     CGContextFillRect(context, rect);
5727 #endif
5728
5729     if (icon_ != nil) {
5730         CGRect rect;
5731         rect.size = [icon_ size];
5732
5733         rect.size.width /= 2;
5734         rect.size.height /= 2;
5735
5736         rect.origin.x = 25 - rect.size.width / 2;
5737         rect.origin.y = 25 - rect.size.height / 2;
5738
5739         [icon_ drawInRect:rect];
5740     }
5741
5742     if (badge_ != nil) {
5743         CGRect rect;
5744         rect.size = [badge_ size];
5745
5746         rect.size.width /= 2;
5747         rect.size.height /= 2;
5748
5749         rect.origin.x = 36 - rect.size.width / 2;
5750         rect.origin.y = 36 - rect.size.height / 2;
5751
5752         [badge_ drawInRect:rect];
5753     }
5754
5755     if (highlighted)
5756         UISetColor(White_);
5757
5758     if (!highlighted)
5759         UISetColor(commercial_ ? Purple_ : Black_);
5760     [name_ drawAtPoint:CGPointMake(48, 8) forWidth:(width - (placard_ == nil ? 80 : 106)) withFont:Font18Bold_ lineBreakMode:UILineBreakModeTailTruncation];
5761     [source_ drawAtPoint:CGPointMake(58, 29) forWidth:(width - 95) withFont:Font12_ lineBreakMode:UILineBreakModeTailTruncation];
5762
5763     if (!highlighted)
5764         UISetColor(commercial_ ? Purplish_ : Gray_);
5765     [description_ drawAtPoint:CGPointMake(12, 46) forWidth:(width - 46) withFont:Font14_ lineBreakMode:UILineBreakModeTailTruncation];
5766
5767     if (placard_ != nil)
5768         [placard_ drawAtPoint:CGPointMake(width - 52, 9)];
5769 }
5770
5771 @end
5772 /* }}} */
5773 /* Section Cell {{{ */
5774 @interface SectionCell : CYTableViewCell <
5775     ContentDelegate
5776 > {
5777     NSString *basic_;
5778     NSString *section_;
5779     NSString *name_;
5780     NSString *count_;
5781     UIImage *icon_;
5782     UISwitch *switch_;
5783     BOOL editing_;
5784 }
5785
5786 - (void) setSection:(Section *)section editing:(BOOL)editing;
5787
5788 @end
5789
5790 @implementation SectionCell
5791
5792 - (void) clearSection {
5793     if (basic_ != nil) {
5794         [basic_ release];
5795         basic_ = nil;
5796     }
5797
5798     if (section_ != nil) {
5799         [section_ release];
5800         section_ = nil;
5801     }
5802
5803     if (name_ != nil) {
5804         [name_ release];
5805         name_ = nil;
5806     }
5807
5808     if (count_ != nil) {
5809         [count_ release];
5810         count_ = nil;
5811     }
5812 }
5813
5814 - (void) dealloc {
5815     [self clearSection];
5816     [icon_ release];
5817     [switch_ release];
5818     [super dealloc];
5819 }
5820
5821 - (id) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
5822     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
5823         icon_ = [[UIImage applicationImageNamed:@"folder.png"] retain];
5824         switch_ = [[UISwitch alloc] initWithFrame:CGRectMake(218, 9, 60, 25)];
5825         [switch_ addTarget:self action:@selector(onSwitch:) forEvents:UIControlEventValueChanged];
5826
5827         UIView *content([self contentView]);
5828         CGRect bounds([content bounds]);
5829
5830         content_ = [[ContentView alloc] initWithFrame:bounds];
5831         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5832         [content addSubview:content_];
5833         [content_ setBackgroundColor:[UIColor whiteColor]];
5834
5835         [content_ setDelegate:self];
5836     } return self;
5837 }
5838
5839 - (void) onSwitch:(id)sender {
5840     NSMutableDictionary *metadata([Sections_ objectForKey:basic_]);
5841     if (metadata == nil) {
5842         metadata = [NSMutableDictionary dictionaryWithCapacity:2];
5843         [Sections_ setObject:metadata forKey:basic_];
5844     }
5845
5846     [metadata setObject:[NSNumber numberWithBool:([switch_ isOn] == NO)] forKey:@"Hidden"];
5847     Changed_ = true;
5848 }
5849
5850 - (void) setSection:(Section *)section editing:(BOOL)editing {
5851     if (editing != editing_) {
5852         if (editing_)
5853             [switch_ removeFromSuperview];
5854         else
5855             [self addSubview:switch_];
5856         editing_ = editing;
5857     }
5858
5859     [self clearSection];
5860
5861     if (section == nil) {
5862         name_ = [UCLocalize("ALL_PACKAGES") retain];
5863         count_ = nil;
5864     } else {
5865         basic_ = [section name];
5866         if (basic_ != nil)
5867             basic_ = [basic_ retain];
5868
5869         section_ = [section localized];
5870         if (section_ != nil)
5871             section_ = [section_ retain];
5872
5873         name_  = [(section_ == nil || [section_ length] == 0 ? UCLocalize("NO_SECTION") : section_) retain];
5874         count_ = [[NSString stringWithFormat:@"%d", [section count]] retain];
5875
5876         if (editing_)
5877             [switch_ setOn:(isSectionVisible(basic_) ? 1 : 0) animated:NO];
5878     }
5879
5880     [self setAccessoryType:editing ? UITableViewCellAccessoryNone : UITableViewCellAccessoryDisclosureIndicator];
5881     [self setSelectionStyle:editing ? UITableViewCellSelectionStyleNone : UITableViewCellSelectionStyleBlue];
5882
5883     [content_ setNeedsDisplay];
5884 }
5885
5886 - (void) setFrame:(CGRect)frame {
5887     [super setFrame:frame];
5888
5889     CGRect rect([switch_ frame]);
5890     [switch_ setFrame:CGRectMake(frame.size.width - 102, 9, rect.size.width, rect.size.height)];
5891 }
5892
5893 - (NSString *) accessibilityLabel {
5894     return name_;
5895 }
5896
5897 - (void) drawContentRect:(CGRect)rect {
5898     bool highlighted(highlighted_ && !editing_);
5899
5900     [icon_ drawInRect:CGRectMake(8, 7, 32, 32)];
5901
5902     if (highlighted)
5903         UISetColor(White_);
5904
5905     float width(rect.size.width);
5906     if (editing_)
5907         width -= 87;
5908
5909     if (!highlighted)
5910         UISetColor(Black_);
5911     [name_ drawAtPoint:CGPointMake(48, 9) forWidth:(width - 70) withFont:Font22Bold_ lineBreakMode:UILineBreakModeTailTruncation];
5912
5913     CGSize size = [count_ sizeWithFont:Font14_];
5914
5915     UISetColor(White_);
5916     if (count_ != nil)
5917         [count_ drawAtPoint:CGPointMake(13 + (29 - size.width) / 2, 16) withFont:Font12Bold_];
5918 }
5919
5920 @end
5921 /* }}} */
5922
5923 /* File Table {{{ */
5924 @interface FileTable : CYViewController <
5925     UITableViewDataSource,
5926     UITableViewDelegate
5927 > {
5928     _transient Database *database_;
5929     Package *package_;
5930     NSString *name_;
5931     NSMutableArray *files_;
5932     UITableView *list_;
5933 }
5934
5935 - (id) initWithDatabase:(Database *)database;
5936 - (void) setPackage:(Package *)package;
5937
5938 @end
5939
5940 @implementation FileTable
5941
5942 - (void) dealloc {
5943     [self releaseSubviews];
5944
5945     [package_ release];
5946     [name_ release];
5947     [files_ release];
5948
5949     [super dealloc];
5950 }
5951
5952 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
5953     return files_ == nil ? 0 : [files_ count];
5954 }
5955
5956 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
5957     return 24.0f;
5958 }*/
5959
5960 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
5961     static NSString *reuseIdentifier = @"Cell";
5962
5963     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
5964     if (cell == nil) {
5965         cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
5966         [cell setFont:[UIFont systemFontOfSize:16]];
5967     }
5968     [cell setText:[files_ objectAtIndex:indexPath.row]];
5969     [cell setSelectionStyle:UITableViewCellSelectionStyleNone];
5970
5971     return cell;
5972 }
5973
5974 - (NSURL *) navigationURL {
5975     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/files", [package_ id]]];
5976 }
5977
5978 - (void) loadView {
5979     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
5980
5981     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds]];
5982     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5983     [list_ setRowHeight:24.0f];
5984     [list_ setDataSource:self];
5985     [list_ setDelegate:self];
5986     [[self view] addSubview:list_];
5987 }
5988
5989 - (void) viewDidLoad {
5990     [[self navigationItem] setTitle:UCLocalize("INSTALLED_FILES")];
5991 }
5992
5993 - (void) releaseSubviews {
5994     [list_ release];
5995     list_ = nil;
5996 }
5997
5998 - (id) initWithDatabase:(Database *)database {
5999     if ((self = [super init]) != nil) {
6000         database_ = database;
6001
6002         files_ = [[NSMutableArray arrayWithCapacity:32] retain];
6003     } return self;
6004 }
6005
6006 - (void) setPackage:(Package *)package {
6007     if (package_ != nil) {
6008         [package_ autorelease];
6009         package_ = nil;
6010     }
6011
6012     if (name_ != nil) {
6013         [name_ release];
6014         name_ = nil;
6015     }
6016
6017     [files_ removeAllObjects];
6018
6019     if (package != nil) {
6020         package_ = [package retain];
6021         name_ = [[package id] retain];
6022
6023         if (NSArray *files = [package files])
6024             [files_ addObjectsFromArray:files];
6025
6026         if ([files_ count] != 0) {
6027             if ([[files_ objectAtIndex:0] isEqualToString:@"/."])
6028                 [files_ removeObjectAtIndex:0];
6029             [files_ sortUsingSelector:@selector(compareByPath:)];
6030
6031             NSMutableArray *stack = [NSMutableArray arrayWithCapacity:8];
6032             [stack addObject:@"/"];
6033
6034             for (int i(0), e([files_ count]); i != e; ++i) {
6035                 NSString *file = [files_ objectAtIndex:i];
6036                 while (![file hasPrefix:[stack lastObject]])
6037                     [stack removeLastObject];
6038                 NSString *directory = [stack lastObject];
6039                 [stack addObject:[file stringByAppendingString:@"/"]];
6040                 [files_ replaceObjectAtIndex:i withObject:[NSString stringWithFormat:@"%*s%@",
6041                     ([stack count] - 2) * 3, "",
6042                     [file substringFromIndex:[directory length]]
6043                 ]];
6044             }
6045         }
6046     }
6047
6048     [list_ reloadData];
6049 }
6050
6051 - (void) reloadData {
6052     [super reloadData];
6053
6054     [self setPackage:[database_ packageWithName:name_]];
6055 }
6056
6057 @end
6058 /* }}} */
6059 /* Package Controller {{{ */
6060 @interface CYPackageController : CYBrowserController <
6061     UIActionSheetDelegate
6062 > {
6063     _transient Database *database_;
6064     _H<Package> package_;
6065     _H<NSString> name_;
6066     bool commercial_;
6067     _H<NSMutableArray> buttons_;
6068     _H<UIBarButtonItem> button_;
6069 }
6070
6071 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name;
6072
6073 @end
6074
6075 @implementation CYPackageController
6076
6077 - (NSURL *) navigationURL {
6078     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@", (id) name_]];
6079 }
6080
6081 /* XXX: this is not safe at all... localization of /fail/ */
6082 - (void) _clickButtonWithName:(NSString *)name {
6083     if ([name isEqualToString:UCLocalize("CLEAR")])
6084         [delegate_ clearPackage:package_];
6085     else if ([name isEqualToString:UCLocalize("INSTALL")])
6086         [delegate_ installPackage:package_];
6087     else if ([name isEqualToString:UCLocalize("REINSTALL")])
6088         [delegate_ installPackage:package_];
6089     else if ([name isEqualToString:UCLocalize("REMOVE")])
6090         [delegate_ removePackage:package_];
6091     else if ([name isEqualToString:UCLocalize("UPGRADE")])
6092         [delegate_ installPackage:package_];
6093     else _assert(false);
6094 }
6095
6096 - (void) actionSheet:(UIActionSheet *)sheet clickedButtonAtIndex:(NSInteger)button {
6097     NSString *context([sheet context]);
6098
6099     if ([context isEqualToString:@"modify"]) {
6100         if (button != [sheet cancelButtonIndex]) {
6101             NSString *buttonName = [buttons_ objectAtIndex:button];
6102             [self _clickButtonWithName:buttonName];
6103         }
6104
6105         [sheet dismissWithClickedButtonIndex:-1 animated:YES];
6106     }
6107 }
6108
6109 - (bool) _allowJavaScriptPanel {
6110     return commercial_;
6111 }
6112
6113 #if !AlwaysReload
6114 - (void) _customButtonClicked {
6115     int count([buttons_ count]);
6116     if (count == 0)
6117         return;
6118
6119     if (count == 1)
6120         [self _clickButtonWithName:[buttons_ objectAtIndex:0]];
6121     else {
6122         NSMutableArray *buttons = [NSMutableArray arrayWithCapacity:count];
6123         [buttons addObjectsFromArray:buttons_];
6124
6125         UIActionSheet *sheet = [[[UIActionSheet alloc]
6126             initWithTitle:nil
6127             delegate:self
6128             cancelButtonTitle:nil
6129             destructiveButtonTitle:nil
6130             otherButtonTitles:nil
6131         ] autorelease];
6132
6133         for (NSString *button in buttons) [sheet addButtonWithTitle:button];
6134         if (!IsWildcat_) {
6135            [sheet addButtonWithTitle:UCLocalize("CANCEL")];
6136            [sheet setCancelButtonIndex:[sheet numberOfButtons] - 1];
6137         }
6138         [sheet setContext:@"modify"];
6139
6140         [delegate_ showActionSheet:sheet fromItem:[[self navigationItem] rightBarButtonItem]];
6141     }
6142 }
6143
6144 // We don't want to allow non-commercial packages to do custom things to the install button,
6145 // so it must call customButtonClicked with a custom commercial_ == 1 fallthrough.
6146 - (void) customButtonClicked {
6147     if (commercial_)
6148         [super customButtonClicked];
6149     else
6150         [self _customButtonClicked];
6151 }
6152
6153 - (void) reloadButtonClicked {
6154     // Don't reload a commerical package by tapping the loading button,
6155     // but if it's not an Install button, we should forward it on.
6156     if (![package_ uninstalled])
6157         [self _customButtonClicked];
6158 }
6159
6160 - (void) applyLoadingTitle {
6161     // Don't show "Loading" as the title. Ever.
6162 }
6163
6164 - (UIBarButtonItem *) rightButton {
6165     return button_;
6166 }
6167 #endif
6168
6169 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name {
6170     if ((self = [super init]) != nil) {
6171         database_ = database;
6172         buttons_ = [NSMutableArray arrayWithCapacity:4];
6173         name_ = [NSString stringWithString:name];
6174         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/package/%@", UI_, (id) name_]]];
6175     } return self;
6176 }
6177
6178 - (void) reloadData {
6179     [super reloadData];
6180
6181     package_ = [database_ packageWithName:name_];
6182
6183     [buttons_ removeAllObjects];
6184
6185     if (package_ != nil) {
6186         [(Package *) package_ parse];
6187
6188         commercial_ = [package_ isCommercial];
6189
6190         if ([package_ mode] != nil)
6191             [buttons_ addObject:UCLocalize("CLEAR")];
6192         if ([package_ source] == nil);
6193         else if ([package_ upgradableAndEssential:NO])
6194             [buttons_ addObject:UCLocalize("UPGRADE")];
6195         else if ([package_ uninstalled])
6196             [buttons_ addObject:UCLocalize("INSTALL")];
6197         else
6198             [buttons_ addObject:UCLocalize("REINSTALL")];
6199         if (![package_ uninstalled])
6200             [buttons_ addObject:UCLocalize("REMOVE")];
6201     }
6202
6203     NSString *title;
6204     switch ([buttons_ count]) {
6205         case 0: title = nil; break;
6206         case 1: title = [buttons_ objectAtIndex:0]; break;
6207         default: title = UCLocalize("MODIFY"); break;
6208     }
6209
6210     button_ = [[[UIBarButtonItem alloc]
6211         initWithTitle:title
6212         style:UIBarButtonItemStylePlain
6213         target:self
6214         action:@selector(customButtonClicked)
6215     ] autorelease];
6216 }
6217
6218 - (bool) isLoading {
6219     return commercial_ ? [super isLoading] : false;
6220 }
6221
6222 @end
6223 /* }}} */
6224
6225 /* Package List Controller {{{ */
6226 @interface PackageListController : CYViewController <
6227     UITableViewDataSource,
6228     UITableViewDelegate
6229 > {
6230     _transient Database *database_;
6231     unsigned era_;
6232     NSMutableArray *packages_;
6233     NSMutableArray *sections_;
6234     UITableView *list_;
6235     NSMutableArray *index_;
6236     NSMutableDictionary *indices_;
6237     NSString *title_;
6238 }
6239
6240 - (id) initWithDatabase:(Database *)database title:(NSString *)title;
6241 - (void) setDelegate:(id)delegate;
6242 - (void) resetCursor;
6243
6244 @end
6245
6246 @implementation PackageListController
6247
6248 - (void) dealloc {
6249     [packages_ release];
6250     [sections_ release];
6251     [list_ release];
6252     [index_ release];
6253     [indices_ release];
6254     [title_ release];
6255
6256     [super dealloc];
6257 }
6258
6259 - (void) deselectWithAnimation:(BOOL)animated {
6260     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
6261 }
6262
6263 - (void) resizeForKeyboardBounds:(CGRect)bounds duration:(NSTimeInterval)duration curve:(UIViewAnimationCurve)curve {
6264     CGRect base = [[self view] bounds];
6265     base.size.height -= bounds.size.height;
6266     base.origin = [list_ frame].origin;
6267
6268     [UIView beginAnimations:nil context:NULL];
6269     [UIView setAnimationBeginsFromCurrentState:YES];
6270     [UIView setAnimationCurve:curve];
6271     [UIView setAnimationDuration:duration];
6272     [list_ setFrame:base];
6273     [UIView commitAnimations];
6274 }
6275
6276 - (void) resizeForKeyboardBounds:(CGRect)bounds duration:(NSTimeInterval)duration {
6277     [self resizeForKeyboardBounds:bounds duration:duration curve:UIViewAnimationCurveLinear];
6278 }
6279
6280 - (void) resizeForKeyboardBounds:(CGRect)bounds {
6281     [self resizeForKeyboardBounds:bounds duration:0];
6282 }
6283
6284 - (void) keyboardWillShow:(NSNotification *)notification {
6285     CGRect bounds;
6286     CGPoint center;
6287     NSTimeInterval duration;
6288     UIViewAnimationCurve curve;
6289     [[[notification userInfo] objectForKey:UIKeyboardBoundsUserInfoKey] getValue:&bounds];
6290     [[[notification userInfo] objectForKey:UIKeyboardCenterEndUserInfoKey] getValue:&center];
6291     [[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] getValue:&curve];
6292     [[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] getValue:&duration];
6293
6294     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);
6295     UIViewController *base = self;
6296     while ([base parentViewController] != nil)
6297         base = [base parentViewController];
6298     CGRect viewframe = [[base view] convertRect:[list_ frame] fromView:[list_ superview]];
6299     CGRect intersection = CGRectIntersection(viewframe, kbframe);
6300
6301     [self resizeForKeyboardBounds:intersection duration:duration curve:curve];
6302 }
6303
6304 - (void) keyboardWillHide:(NSNotification *)notification {
6305     NSTimeInterval duration;
6306     UIViewAnimationCurve curve;
6307     [[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] getValue:&curve];
6308     [[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] getValue:&duration];
6309
6310     [self resizeForKeyboardBounds:CGRectZero duration:duration curve:curve];
6311 }
6312
6313 - (void) viewWillAppear:(BOOL)animated {
6314     [super viewWillAppear:animated];
6315
6316     [self resizeForKeyboardBounds:CGRectZero];
6317     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil];
6318     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil];
6319 }
6320
6321 - (void) viewWillDisappear:(BOOL)animated {
6322     [super viewWillDisappear:animated];
6323
6324     [self resizeForKeyboardBounds:CGRectZero];
6325     [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillShowNotification object:nil];
6326     [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillHideNotification object:nil];
6327 }
6328
6329 - (void) viewDidAppear:(BOOL)animated {
6330     [super viewDidAppear:animated];
6331     [self deselectWithAnimation:animated];
6332 }
6333
6334 - (void) didSelectPackage:(Package *)package {
6335     CYPackageController *view([[[CYPackageController alloc] initWithDatabase:database_ forPackage:[package id]] autorelease]);
6336     [view setDelegate:delegate_];
6337     [[self navigationController] pushViewController:view animated:YES];
6338 }
6339
6340 #if TryIndexedCollation
6341 + (BOOL) hasIndexedCollation {
6342     return NO; // XXX: objc_getClass("UILocalizedIndexedCollation") != nil;
6343 }
6344 #endif
6345
6346 - (NSInteger) numberOfSectionsInTableView:(UITableView *)list {
6347     NSInteger count([sections_ count]);
6348     return count == 0 ? 1 : count;
6349 }
6350
6351 - (NSString *) tableView:(UITableView *)list titleForHeaderInSection:(NSInteger)section {
6352     if ([sections_ count] == 0 || [[sections_ objectAtIndex:section] count] == 0)
6353         return nil;
6354     return [[sections_ objectAtIndex:section] name];
6355 }
6356
6357 - (NSInteger) tableView:(UITableView *)list numberOfRowsInSection:(NSInteger)section {
6358     if ([sections_ count] == 0)
6359         return 0;
6360     return [[sections_ objectAtIndex:section] count];
6361 }
6362
6363 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
6364 @synchronized (database_) {
6365     if ([database_ era] != era_)
6366         return nil;
6367
6368     Section *section([sections_ objectAtIndex:[path section]]);
6369     NSInteger row([path row]);
6370     Package *package([packages_ objectAtIndex:([section row] + row)]);
6371     return [[package retain] autorelease];
6372 } }
6373
6374 - (UITableViewCell *) tableView:(UITableView *)table cellForRowAtIndexPath:(NSIndexPath *)path {
6375     PackageCell *cell((PackageCell *) [table dequeueReusableCellWithIdentifier:@"Package"]);
6376     if (cell == nil)
6377         cell = [[[PackageCell alloc] init] autorelease];
6378     [cell setPackage:[self packageAtIndexPath:path]];
6379     return cell;
6380 }
6381
6382 - (void) tableView:(UITableView *)table didSelectRowAtIndexPath:(NSIndexPath *)path {
6383     Package *package([self packageAtIndexPath:path]);
6384     package = [database_ packageWithName:[package id]];
6385     [self didSelectPackage:package];
6386 }
6387
6388 - (NSArray *) sectionIndexTitlesForTableView:(UITableView *)tableView {
6389     // XXX: is 20 the most optimal number here?
6390     return [packages_ count] > 20 ? index_ : nil;
6391 }
6392
6393 - (NSInteger) tableView:(UITableView *)tableView sectionForSectionIndexTitle:(NSString *)title atIndex:(NSInteger)index {
6394 #if TryIndexedCollation
6395     if ([[self class] hasIndexedCollation]) {
6396         return [[objc_getClass("UILocalizedIndexedCollation") currentCollation] sectionForSectionIndexTitleAtIndex:index];
6397     }
6398 #endif
6399
6400     return index;
6401 }
6402
6403 - (id) initWithDatabase:(Database *)database title:(NSString *)title {
6404     if ((self = [super init]) != nil) {
6405         database_ = database;
6406         title_ = [title copy];
6407         [[self navigationItem] setTitle:title_];
6408
6409 #if TryIndexedCollation
6410         if ([[self class] hasIndexedCollation])
6411             index_ = [[[objc_getClass("UILocalizedIndexedCollation") currentCollation] sectionIndexTitles] retain]
6412         else
6413 #endif
6414             index_ = [[NSMutableArray alloc] initWithCapacity:32];
6415
6416         indices_ = [[NSMutableDictionary alloc] initWithCapacity:32];
6417
6418         packages_ = [[NSMutableArray arrayWithCapacity:16] retain];
6419         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
6420
6421         list_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain];
6422         [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6423         [list_ setRowHeight:73];
6424         [[self view] addSubview:list_];
6425
6426         [list_ setDataSource:self];
6427         [list_ setDelegate:self];
6428     } return self;
6429 }
6430
6431 - (void) setDelegate:(id)delegate {
6432     delegate_ = delegate;
6433 }
6434
6435 - (bool) hasPackage:(Package *)package {
6436     return true;
6437 }
6438
6439 - (void) reloadData {
6440     [super reloadData];
6441
6442     era_ = [database_ era];
6443     NSArray *packages = [database_ packages];
6444
6445     [packages_ removeAllObjects];
6446     [sections_ removeAllObjects];
6447
6448     _profile(PackageTable$reloadData$Filter)
6449         for (Package *package in packages)
6450             if ([self hasPackage:package])
6451                 [packages_ addObject:package];
6452     _end
6453
6454     [indices_ removeAllObjects];
6455
6456     Section *section = nil;
6457
6458 #if TryIndexedCollation
6459     if ([[self class] hasIndexedCollation]) {
6460         id collation = [objc_getClass("UILocalizedIndexedCollation") currentCollation];
6461         NSArray *titles = [collation sectionIndexTitles];
6462         int secidx = -1;
6463
6464         _profile(PackageTable$reloadData$Section)
6465             for (size_t offset(0), end([packages_ count]); offset != end; ++offset) {
6466                 Package *package;
6467                 int index;
6468
6469                 _profile(PackageTable$reloadData$Section$Package)
6470                     package = [packages_ objectAtIndex:offset];
6471                     index = [collation sectionForObject:package collationStringSelector:@selector(name)];
6472                 _end
6473
6474                 while (secidx < index) {
6475                     secidx += 1;
6476
6477                     _profile(PackageTable$reloadData$Section$Allocate)
6478                         section = [[[Section alloc] initWithName:[titles objectAtIndex:secidx] row:offset localize:NO] autorelease];
6479                     _end
6480
6481                     _profile(PackageTable$reloadData$Section$Add)
6482                         [sections_ addObject:section];
6483                     _end
6484                 }
6485
6486                 [section addToCount];
6487             }
6488         _end
6489     } else
6490 #endif
6491     {
6492         [index_ removeAllObjects];
6493
6494         _profile(PackageTable$reloadData$Section)
6495             for (size_t offset(0), end([packages_ count]); offset != end; ++offset) {
6496                 Package *package;
6497                 unichar index;
6498
6499                 _profile(PackageTable$reloadData$Section$Package)
6500                     package = [packages_ objectAtIndex:offset];
6501                     index = [package index];
6502                 _end
6503
6504                 if (section == nil || [section index] != index) {
6505                     _profile(PackageTable$reloadData$Section$Allocate)
6506                         section = [[[Section alloc] initWithIndex:index row:offset] autorelease];
6507                     _end
6508
6509                     [index_ addObject:[section name]];
6510                     //[indices_ setObject:[NSNumber numberForInt:[sections_ count]] forKey:index];
6511
6512                     _profile(PackageTable$reloadData$Section$Add)
6513                         [sections_ addObject:section];
6514                     _end
6515                 }
6516
6517                 [section addToCount];
6518             }
6519         _end
6520     }
6521
6522     _profile(PackageTable$reloadData$List)
6523         [list_ reloadData];
6524     _end
6525 }
6526
6527 - (void) resetCursor {
6528     [list_ scrollRectToVisible:CGRectMake(0, 0, 0, 0) animated:NO];
6529 }
6530
6531 @end
6532 /* }}} */
6533 /* Filtered Package List Controller {{{ */
6534 @interface FilteredPackageListController : PackageListController {
6535     SEL filter_;
6536     IMP imp_;
6537     id object_;
6538 }
6539
6540 - (void) setObject:(id)object;
6541 - (void) setObject:(id)object forFilter:(SEL)filter;
6542
6543 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object;
6544
6545 @end
6546
6547 @implementation FilteredPackageListController
6548
6549 - (void) dealloc {
6550     if (object_ != nil)
6551         [object_ release];
6552     [super dealloc];
6553 }
6554
6555 - (void) setFilter:(SEL)filter {
6556     filter_ = filter;
6557
6558     /* XXX: this is an unsafe optimization of doomy hell */
6559     Method method(class_getInstanceMethod([Package class], filter));
6560     _assert(method != NULL);
6561     imp_ = method_getImplementation(method);
6562     _assert(imp_ != NULL);
6563 }
6564
6565 - (void) setObject:(id)object {
6566     if (object_ != nil)
6567         [object_ release];
6568     if (object == nil)
6569         object_ = nil;
6570     else
6571         object_ = [object retain];
6572 }
6573
6574 - (void) setObject:(id)object forFilter:(SEL)filter {
6575     [self setFilter:filter];
6576     [self setObject:object];
6577 }
6578
6579 - (bool) hasPackage:(Package *)package {
6580     _profile(FilteredPackageTable$hasPackage)
6581         return [package valid] && (*reinterpret_cast<bool (*)(id, SEL, id)>(imp_))(package, filter_, object_);
6582     _end
6583 }
6584
6585 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object {
6586     if ((self = [super initWithDatabase:database title:title]) != nil) {
6587         [self setFilter:filter];
6588         [self setObject:object];
6589     } return self;
6590 }
6591
6592 @end
6593 /* }}} */
6594
6595 /* Home Controller {{{ */
6596 @interface HomeController : CYBrowserController {
6597 }
6598
6599 @end
6600
6601 @implementation HomeController
6602
6603 - (id) init {
6604     if ((self = [super init]) != nil) {
6605         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/home/", UI_]]];
6606     } return self;
6607 }
6608
6609 - (NSURL *) navigationURL {
6610     return [NSURL URLWithString:@"cydia://home"];
6611 }
6612
6613 - (void) aboutButtonClicked {
6614     UIAlertView *alert([[[UIAlertView alloc] init] autorelease]);
6615
6616     [alert setTitle:UCLocalize("ABOUT_CYDIA")];
6617     [alert addButtonWithTitle:UCLocalize("CLOSE")];
6618     [alert setCancelButtonIndex:0];
6619
6620     [alert setMessage:
6621         @"Copyright (C) 2008-2011\n"
6622         "Jay Freeman (saurik)\n"
6623         "saurik@saurik.com\n"
6624         "http://www.saurik.com/"
6625     ];
6626
6627     [alert show];
6628 }
6629
6630 - (void) viewDidLoad {
6631     [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
6632         initWithTitle:UCLocalize("ABOUT")
6633         style:UIBarButtonItemStylePlain
6634         target:self
6635         action:@selector(aboutButtonClicked)
6636     ] autorelease]];
6637 }
6638
6639 @end
6640 /* }}} */
6641 /* Manage Controller {{{ */
6642 @interface ManageController : CYBrowserController {
6643 }
6644
6645 - (void) queueStatusDidChange;
6646
6647 @end
6648
6649 @implementation ManageController
6650
6651 - (id) init {
6652     if ((self = [super init]) != nil) {
6653         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/manage/", UI_]]];
6654     } return self;
6655 }
6656
6657 - (NSURL *) navigationURL {
6658     return [NSURL URLWithString:@"cydia://manage"];
6659 }
6660
6661 - (void) viewDidLoad {
6662     [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
6663         initWithTitle:UCLocalize("SETTINGS")
6664         style:UIBarButtonItemStylePlain
6665         target:self
6666         action:@selector(settingsButtonClicked)
6667     ] autorelease]];
6668
6669     [self queueStatusDidChange];
6670 }
6671
6672 - (void) settingsButtonClicked {
6673     [delegate_ showSettings];
6674 }
6675
6676 #if !AlwaysReload
6677 - (void) queueButtonClicked {
6678     [delegate_ queue];
6679 }
6680
6681 - (void) applyLoadingTitle {
6682     // Disable "Loading" title.
6683 }
6684
6685 - (void) applyRightButton {
6686     // Disable right button.
6687 }
6688 #endif
6689
6690 - (void) queueStatusDidChange {
6691 #if !AlwaysReload
6692     if (!IsWildcat_ && Queuing_) {
6693         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
6694             initWithTitle:UCLocalize("QUEUE")
6695             style:UIBarButtonItemStyleDone
6696             target:self
6697             action:@selector(queueButtonClicked)
6698         ] autorelease]];
6699     } else {
6700         [[self navigationItem] setRightBarButtonItem:nil];
6701     }
6702 #endif
6703 }
6704
6705 - (bool) isLoading {
6706     // Never show as loading.
6707     return false;
6708 }
6709
6710 @end
6711 /* }}} */
6712
6713 /* Refresh Bar {{{ */
6714 @interface RefreshBar : UINavigationBar {
6715     UIProgressIndicator *indicator_;
6716     UITextLabel *prompt_;
6717     UIProgressBar *progress_;
6718     UINavigationButton *cancel_;
6719 }
6720
6721 @end
6722
6723 @implementation RefreshBar
6724
6725 - (void) dealloc {
6726     [indicator_ release];
6727     [prompt_ release];
6728     [progress_ release];
6729     [cancel_ release];
6730     [super dealloc];
6731 }
6732
6733 - (void) positionViews {
6734     CGRect frame = [cancel_ frame];
6735     frame.size = [cancel_ sizeThatFits:frame.size];
6736     frame.origin.x = [self frame].size.width - frame.size.width - 5;
6737     frame.origin.y = ([self frame].size.height - frame.size.height) / 2;
6738     [cancel_ setFrame:frame];
6739
6740     CGSize prgsize = {75, 100};
6741     CGRect prgrect = {{
6742         [self frame].size.width - prgsize.width - 10,
6743         ([self frame].size.height - prgsize.height) / 2
6744     } , prgsize};
6745     [progress_ setFrame:prgrect];
6746
6747     CGSize indsize([UIProgressIndicator defaultSizeForStyle:[indicator_ activityIndicatorViewStyle]]);
6748     unsigned indoffset = ([self frame].size.height - indsize.height) / 2;
6749     CGRect indrect = {{indoffset, indoffset}, indsize};
6750     [indicator_ setFrame:indrect];
6751
6752     CGSize prmsize = {215, indsize.height + 4};
6753     CGRect prmrect = {{
6754         indoffset * 2 + indsize.width,
6755         unsigned([self frame].size.height - prmsize.height) / 2 - 1
6756     }, prmsize};
6757     [prompt_ setFrame:prmrect];
6758 }
6759
6760 - (void) setFrame:(CGRect)frame {
6761     [super setFrame:frame];
6762     [self positionViews];
6763 }
6764
6765 - (id) initWithFrame:(CGRect)frame delegate:(id)delegate {
6766     if ((self = [super initWithFrame:frame]) != nil) {
6767         [self setAutoresizingMask:UIViewAutoresizingFlexibleWidth];
6768
6769         [self setBarStyle:UIBarStyleBlack];
6770
6771         UIBarStyle barstyle([self _barStyle:NO]);
6772         bool ugly(barstyle == UIBarStyleDefault);
6773
6774         UIProgressIndicatorStyle style = ugly ?
6775             UIProgressIndicatorStyleMediumBrown :
6776             UIProgressIndicatorStyleMediumWhite;
6777
6778         indicator_ = [[UIProgressIndicator alloc] initWithFrame:CGRectZero];
6779         [indicator_ setStyle:style];
6780         [indicator_ startAnimation];
6781         [self addSubview:indicator_];
6782
6783         prompt_ = [[UITextLabel alloc] initWithFrame:CGRectZero];
6784         [prompt_ setColor:[UIColor colorWithCGColor:(ugly ? Blueish_ : Off_)]];
6785         [prompt_ setBackgroundColor:[UIColor clearColor]];
6786         [prompt_ setFont:[UIFont systemFontOfSize:15]];
6787         [self addSubview:prompt_];
6788
6789         progress_ = [[UIProgressBar alloc] initWithFrame:CGRectZero];
6790         [progress_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleLeftMargin];
6791         [progress_ setStyle:0];
6792         [self addSubview:progress_];
6793
6794         cancel_ = [[UINavigationButton alloc] initWithTitle:UCLocalize("CANCEL") style:UINavigationButtonStyleHighlighted];
6795         [cancel_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
6796         [cancel_ addTarget:delegate action:@selector(cancelPressed) forControlEvents:UIControlEventTouchUpInside];
6797         [cancel_ setBarStyle:barstyle];
6798
6799         [self positionViews];
6800     } return self;
6801 }
6802
6803 - (void) setCancellable:(bool)cancellable {
6804     if (cancellable)
6805         [self addSubview:cancel_];
6806     else
6807         [cancel_ removeFromSuperview];
6808 }
6809
6810 - (void) start {
6811     [prompt_ setText:UCLocalize("UPDATING_DATABASE")];
6812     [progress_ setProgress:0];
6813 }
6814
6815 - (void) stop {
6816     [self setCancellable:NO];
6817 }
6818
6819 - (void) setPrompt:(NSString *)prompt {
6820     [prompt_ setText:prompt];
6821 }
6822
6823 - (void) setProgress:(float)progress {
6824     [progress_ setProgress:progress];
6825 }
6826
6827 @end
6828 /* }}} */
6829
6830 /* Cydia Navigation Controller Interface {{{ */
6831 @interface UINavigationController (Cydia)
6832
6833 - (NSArray *) navigationURLCollection;
6834 - (void) unloadData;
6835
6836 @end
6837 /* }}} */
6838
6839 /* Cydia Tab Bar Controller {{{ */
6840 @interface CYTabBarController : UITabBarController <
6841     UITabBarControllerDelegate,
6842     ProgressDelegate
6843 > {
6844     _transient Database *database_;
6845     RefreshBar *refreshbar_;
6846
6847     bool dropped_;
6848     bool updating_;
6849     // XXX: ok, "updatedelegate_"?...
6850     _transient NSObject<CydiaDelegate> *updatedelegate_;
6851
6852     id root_;
6853     UIViewController *remembered_;
6854     _transient UIViewController *transient_;
6855 }
6856
6857 - (NSArray *) navigationURLCollection;
6858 - (void) dropBar:(BOOL)animated;
6859 - (void) beginUpdate;
6860 - (void) raiseBar:(BOOL)animated;
6861 - (BOOL) updating;
6862 - (void) unloadData;
6863
6864 @end
6865
6866 @implementation CYTabBarController
6867
6868 - (void) setUnselectedViewController:(UIViewController *)transient {
6869     NSMutableArray *controllers = [[self viewControllers] mutableCopy];
6870     if (transient != nil) {
6871         if (transient_ == nil)
6872             remembered_ = [[controllers objectAtIndex:0] retain];
6873         transient_ = transient;
6874         [transient_ setTabBarItem:[remembered_ tabBarItem]];
6875         [controllers replaceObjectAtIndex:0 withObject:transient_];
6876         [self setSelectedIndex:0];
6877         [self setViewControllers:controllers];
6878         [self concealTabBarSelection];
6879     } else if (remembered_ != nil) {
6880         [remembered_ setTabBarItem:[transient_ tabBarItem]];
6881         transient_ = transient;
6882         [controllers replaceObjectAtIndex:0 withObject:remembered_];
6883         [remembered_ release];
6884         remembered_ = nil;
6885         [self setViewControllers:controllers];
6886         [self revealTabBarSelection];
6887     }
6888 }
6889
6890 - (UIViewController *) unselectedViewController {
6891     return transient_;
6892 }
6893
6894 - (void) tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UIViewController *)viewController {
6895     if ([self unselectedViewController])
6896         [self setUnselectedViewController:nil];
6897 }
6898
6899 - (NSArray *) navigationURLCollection {
6900     NSMutableArray *items([NSMutableArray array]);
6901
6902     // XXX: Should this deal with transient view controllers?
6903     for (id navigation in [self viewControllers]) {
6904         NSArray *stack = [navigation performSelector:@selector(navigationURLCollection)];
6905         if (stack != nil)
6906             [items addObject:stack];
6907     }
6908
6909     return items;
6910 }
6911
6912 - (void) unloadData {
6913     UIViewController *selected([self selectedViewController]);
6914     for (UINavigationController *controller in [self viewControllers])
6915         [controller unloadData];
6916
6917     [selected reloadData];
6918
6919     if (UIViewController *unselected = [self unselectedViewController])
6920         [unselected reloadData];
6921
6922     [super unloadData];
6923 }
6924
6925 - (void) dealloc {
6926     [refreshbar_ release];
6927     [[NSNotificationCenter defaultCenter] removeObserver:self];
6928
6929     [super dealloc];
6930 }
6931
6932 - (id) initWithDatabase:(Database *)database {
6933     if ((self = [super init]) != nil) {
6934         database_ = database;
6935         [self setDelegate:self];
6936
6937         [[self view] setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6938         [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(statusBarFrameChanged:) name:UIApplicationDidChangeStatusBarFrameNotification object:nil];
6939
6940         refreshbar_ = [[RefreshBar alloc] initWithFrame:CGRectMake(0, 0, [[self view] frame].size.width, [UINavigationBar defaultSize].height) delegate:self];
6941     } return self;
6942 }
6943
6944 - (void) setUpdate:(NSDate *)date {
6945     [self beginUpdate];
6946 }
6947
6948 - (void) beginUpdate {
6949     [refreshbar_ start];
6950     [self dropBar:YES];
6951
6952     [updatedelegate_ retainNetworkActivityIndicator];
6953     updating_ = true;
6954
6955     [NSThread
6956         detachNewThreadSelector:@selector(performUpdate)
6957         toTarget:self
6958         withObject:nil
6959     ];
6960 }
6961
6962 - (void) performUpdate { _pooled
6963     Status status;
6964     status.setDelegate(self);
6965     [database_ updateWithStatus:status];
6966
6967     [self
6968         performSelectorOnMainThread:@selector(completeUpdate)
6969         withObject:nil
6970         waitUntilDone:NO
6971     ];
6972 }
6973
6974 - (void) stopUpdateWithSelector:(SEL)selector {
6975     updating_ = false;
6976     [updatedelegate_ releaseNetworkActivityIndicator];
6977
6978     [self raiseBar:YES];
6979     [refreshbar_ stop];
6980
6981     [updatedelegate_ performSelector:selector withObject:nil afterDelay:0];
6982 }
6983
6984 - (void) completeUpdate {
6985     if (!updating_)
6986         return;
6987     [self stopUpdateWithSelector:@selector(reloadData)];
6988 }
6989
6990 - (void) cancelUpdate {
6991     [self stopUpdateWithSelector:@selector(updateData)];
6992 }
6993
6994 - (void) cancelPressed {
6995     [self cancelUpdate];
6996 }
6997
6998 - (BOOL) updating {
6999     return updating_;
7000 }
7001
7002 - (void) addProgressEvent:(CydiaProgressEvent *)event {
7003     [refreshbar_ setPrompt:[event compoundMessage]];
7004 }
7005
7006 - (bool) isProgressCancelled {
7007     return !updating_;
7008 }
7009
7010 - (void) setProgressCancellable:(NSNumber *)cancellable {
7011     [refreshbar_ setCancellable:(updating_ && [cancellable boolValue])];
7012 }
7013
7014 - (void) setProgressPercent:(NSNumber *)percent {
7015     [refreshbar_ setProgress:[percent floatValue]];
7016 }
7017
7018 - (void) setProgressStatus:(NSDictionary *)status {
7019     if (status != nil)
7020         [self setProgressPercent:[status objectForKey:@"Percent"]];
7021 }
7022
7023 - (void) setUpdateDelegate:(id)delegate {
7024     updatedelegate_ = delegate;
7025 }
7026
7027 - (CGFloat) statusBarHeight {
7028     if (UIInterfaceOrientationIsPortrait([self interfaceOrientation])) {
7029         return [[UIApplication sharedApplication] statusBarFrame].size.height;
7030     } else {
7031         return [[UIApplication sharedApplication] statusBarFrame].size.width;
7032     }
7033 }
7034
7035 - (UIView *) transitionView {
7036     if ([self respondsToSelector:@selector(_transitionView)])
7037         return [self _transitionView];
7038     else
7039         return MSHookIvar<id>(self, "_viewControllerTransitionView");
7040 }
7041
7042 - (void) dropBar:(BOOL)animated {
7043     if (dropped_)
7044         return;
7045     dropped_ = true;
7046
7047     UIView *transition([self transitionView]);
7048     [[self view] addSubview:refreshbar_];
7049
7050     CGRect barframe([refreshbar_ frame]);
7051
7052     if (kCFCoreFoundationVersionNumber >= kCFCoreFoundationVersionNumber_iPhoneOS_3_0) // XXX: _UIApplicationLinkedOnOrAfter(4)
7053         barframe.origin.y = [self statusBarHeight];
7054     else
7055         barframe.origin.y = 0;
7056
7057     [refreshbar_ setFrame:barframe];
7058
7059     if (animated)
7060         [UIView beginAnimations:nil context:NULL];
7061
7062     CGRect viewframe = [transition frame];
7063     viewframe.origin.y += barframe.size.height;
7064     viewframe.size.height -= barframe.size.height;
7065     [transition setFrame:viewframe];
7066
7067     if (animated)
7068         [UIView commitAnimations];
7069
7070     // Ensure bar has the proper width for our view, it might have changed
7071     barframe.size.width = viewframe.size.width;
7072     [refreshbar_ setFrame:barframe];
7073
7074     // XXX: fix Apple's layout bug
7075     [[root_ selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
7076 }
7077
7078 - (void) raiseBar:(BOOL)animated {
7079     if (!dropped_)
7080         return;
7081     dropped_ = false;
7082
7083     UIView *transition([self transitionView]);
7084     [refreshbar_ removeFromSuperview];
7085
7086     CGRect barframe([refreshbar_ frame]);
7087
7088     if (animated)
7089         [UIView beginAnimations:nil context:NULL];
7090
7091     CGRect viewframe = [transition frame];
7092     viewframe.origin.y -= barframe.size.height;
7093     viewframe.size.height += barframe.size.height;
7094     [transition setFrame:viewframe];
7095
7096     if (animated)
7097         [UIView commitAnimations];
7098
7099     // XXX: fix Apple's layout bug
7100     // SRK [[self selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
7101 }
7102
7103 #if 0
7104 - (void) willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation duration:(NSTimeInterval)duration {
7105     // XXX: fix Apple's layout bug
7106     // SRK [[self selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
7107 }
7108 #endif
7109
7110 - (void) didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
7111     bool dropped(dropped_);
7112
7113     if (dropped)
7114         [self raiseBar:NO];
7115
7116     [super didRotateFromInterfaceOrientation:fromInterfaceOrientation];
7117
7118     if (dropped)
7119         [self dropBar:NO];
7120
7121     // XXX: fix Apple's layout bug
7122     // SRK [[self selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
7123 }
7124
7125 - (void) statusBarFrameChanged:(NSNotification *)notification {
7126     if (dropped_) {
7127         [self raiseBar:NO];
7128         [self dropBar:NO];
7129     }
7130 }
7131
7132 @end
7133 /* }}} */
7134
7135 /* Cydia Navigation Controller Implementation {{{ */
7136 @implementation UINavigationController (Cydia)
7137
7138 - (NSArray *) navigationURLCollection {
7139     NSMutableArray *stack([NSMutableArray array]);
7140
7141     for (CYViewController *controller in [self viewControllers]) {
7142         NSString *url = [[controller navigationURL] absoluteString];
7143         if (url != nil)
7144             [stack addObject:url];
7145     }
7146
7147     return stack;
7148 }
7149
7150 - (void) reloadData {
7151     [super reloadData];
7152
7153     if (UIViewController *visible = [self visibleViewController])
7154         [visible reloadData];
7155 }
7156
7157 - (void) unloadData {
7158     for (CYViewController *page in [self viewControllers])
7159         [page unloadData];
7160
7161     [super unloadData];
7162 }
7163
7164 @end
7165 /* }}} */
7166
7167 /* Cydia:// Protocol {{{ */
7168 @interface CydiaURLProtocol : NSURLProtocol {
7169 }
7170
7171 @end
7172
7173 @implementation CydiaURLProtocol
7174
7175 + (BOOL) canInitWithRequest:(NSURLRequest *)request {
7176     NSURL *url([request URL]);
7177     if (url == nil)
7178         return NO;
7179
7180     NSString *scheme([[url scheme] lowercaseString]);
7181     if (scheme != nil && [scheme isEqualToString:@"cydia"])
7182         return YES;
7183     if ([[url absoluteString] hasPrefix:@"about:cydia-"])
7184         return YES;
7185
7186     return NO;
7187 }
7188
7189 + (NSURLRequest *) canonicalRequestForRequest:(NSURLRequest *)request {
7190     return request;
7191 }
7192
7193 - (void) _returnPNGWithImage:(UIImage *)icon forRequest:(NSURLRequest *)request {
7194     id<NSURLProtocolClient> client([self client]);
7195     if (icon == nil)
7196         [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorFileDoesNotExist userInfo:nil]];
7197     else {
7198         NSData *data(UIImagePNGRepresentation(icon));
7199
7200         NSURLResponse *response([[[NSURLResponse alloc] initWithURL:[request URL] MIMEType:@"image/png" expectedContentLength:-1 textEncodingName:nil] autorelease]);
7201         [client URLProtocol:self didReceiveResponse:response cacheStoragePolicy:NSURLCacheStorageNotAllowed];
7202         [client URLProtocol:self didLoadData:data];
7203         [client URLProtocolDidFinishLoading:self];
7204     }
7205 }
7206
7207 - (void) startLoading {
7208     id<NSURLProtocolClient> client([self client]);
7209     NSURLRequest *request([self request]);
7210
7211     NSURL *url([request URL]);
7212     NSString *href([url absoluteString]);
7213     NSString *scheme([[url scheme] lowercaseString]);
7214
7215     NSString *path;
7216
7217     if ([scheme isEqualToString:@"cydia"])
7218         path = [href substringFromIndex:8];
7219     else if ([scheme isEqualToString:@"about"])
7220         path = [href substringFromIndex:12];
7221     else _assert(false);
7222
7223     NSRange slash([path rangeOfString:@"/"]);
7224
7225     NSString *command;
7226     if (slash.location == NSNotFound) {
7227         command = path;
7228         path = nil;
7229     } else {
7230         command = [path substringToIndex:slash.location];
7231         path = [path substringFromIndex:(slash.location + 1)];
7232     }
7233
7234     Database *database([Database sharedInstance]);
7235
7236     if ([command isEqualToString:@"package-icon"]) {
7237         if (path == nil)
7238             goto fail;
7239         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7240         Package *package([database packageWithName:path]);
7241         if (package == nil)
7242             goto fail;
7243         UIImage *icon([package icon]);
7244         [self _returnPNGWithImage:icon forRequest:request];
7245     } else if ([command isEqualToString:@"source-icon"]) {
7246         if (path == nil)
7247             goto fail;
7248         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7249         NSString *source(Simplify(path));
7250         UIImage *icon([UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sources/%@.png", App_, source]]);
7251         if (icon == nil)
7252             icon = [UIImage applicationImageNamed:@"unknown.png"];
7253         [self _returnPNGWithImage:icon forRequest:request];
7254     } else if ([command isEqualToString:@"uikit-image"]) {
7255         if (path == nil)
7256             goto fail;
7257         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7258         UIImage *icon(_UIImageWithName(path));
7259         [self _returnPNGWithImage:icon forRequest:request];
7260     } else if ([command isEqualToString:@"section-icon"]) {
7261         if (path == nil)
7262             goto fail;
7263         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7264         NSString *section(Simplify(path));
7265         UIImage *icon([UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, section]]);
7266         if (icon == nil)
7267             icon = [UIImage applicationImageNamed:@"unknown.png"];
7268         [self _returnPNGWithImage:icon forRequest:request];
7269     } else fail: {
7270         [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorResourceUnavailable userInfo:nil]];
7271     }
7272 }
7273
7274 - (void) stopLoading {
7275 }
7276
7277 @end
7278 /* }}} */
7279
7280 /* Section Controller {{{ */
7281 @interface SectionController : FilteredPackageListController {
7282     _H<NSString> section_;
7283 }
7284
7285 - (id) initWithDatabase:(Database *)database section:(NSString *)section;
7286
7287 @end
7288
7289 @implementation SectionController
7290
7291 - (NSURL *) navigationURL {
7292     NSString *name = section_;
7293     if (name == nil)
7294         name = @"all";
7295
7296     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sections/%@", name]];
7297 }
7298
7299 - (id) initWithDatabase:(Database *)database section:(NSString *)name {
7300     NSString *title;
7301     if (name == nil)
7302         title = UCLocalize("ALL_PACKAGES");
7303     else if (![name isEqual:@""])
7304         title = [[NSBundle mainBundle] localizedStringForKey:Simplify(name) value:nil table:@"Sections"];
7305     else
7306         title = UCLocalize("NO_SECTION");
7307
7308     if ((self = [super initWithDatabase:database title:title filter:@selector(isVisibleInSection:) with:name]) != nil) {
7309         section_ = name;
7310     } return self;
7311 }
7312
7313 @end
7314 /* }}} */
7315 /* Sections Controller {{{ */
7316 @interface SectionsController : CYViewController <
7317     UITableViewDataSource,
7318     UITableViewDelegate
7319 > {
7320     _transient Database *database_;
7321     NSMutableArray *sections_;
7322     NSMutableArray *filtered_;
7323     UITableView *list_;
7324 }
7325
7326 - (id) initWithDatabase:(Database *)database;
7327 - (void) editButtonClicked;
7328
7329 @end
7330
7331 @implementation SectionsController
7332
7333 - (void) dealloc {
7334     [self releaseSubviews];
7335     [sections_ release];
7336     [filtered_ release];
7337
7338     [super dealloc];
7339 }
7340
7341 - (NSURL *) navigationURL {
7342     return [NSURL URLWithString:@"cydia://sections"];
7343 }
7344
7345 - (void) updateNavigationItem {
7346     [[self navigationItem] setTitle:[self isEditing] ? UCLocalize("SECTION_VISIBILITY") : UCLocalize("SECTIONS")];
7347     if ([sections_ count] == 0) {
7348         [[self navigationItem] setRightBarButtonItem:nil];
7349     } else {
7350         [[self navigationItem] setRightBarButtonItem:[[UIBarButtonItem alloc]
7351             initWithBarButtonSystemItem:([self isEditing] ? UIBarButtonSystemItemDone : UIBarButtonSystemItemEdit)
7352             target:self
7353             action:@selector(editButtonClicked)
7354         ] animated:([[self navigationItem] rightBarButtonItem] != nil)];
7355     }
7356 }
7357
7358 - (void) setEditing:(BOOL)editing animated:(BOOL)animated {
7359     [super setEditing:editing animated:animated];
7360
7361     if (editing)
7362         [list_ reloadData];
7363     else
7364         [delegate_ updateData];
7365
7366     [self updateNavigationItem];
7367 }
7368
7369 - (void) viewDidAppear:(BOOL)animated {
7370     [super viewDidAppear:animated];
7371     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
7372 }
7373
7374 - (void) viewWillDisappear:(BOOL)animated {
7375     [super viewWillDisappear:animated];
7376     if ([self isEditing]) [self setEditing:NO];
7377 }
7378
7379 - (Section *) sectionAtIndexPath:(NSIndexPath *)indexPath {
7380     Section *section = nil;
7381     int index = [indexPath row];
7382     if (![self isEditing]) {
7383         index -= 1;
7384         if (index >= 0)
7385             section = [filtered_ objectAtIndex:index];
7386     } else {
7387         section = [sections_ objectAtIndex:index];
7388     }
7389     return section;
7390 }
7391
7392 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7393     if ([self isEditing])
7394         return [sections_ count];
7395     else
7396         return [filtered_ count] + 1;
7397 }
7398
7399 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
7400     return 45.0f;
7401 }*/
7402
7403 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7404     static NSString *reuseIdentifier = @"SectionCell";
7405
7406     SectionCell *cell = (SectionCell *)[tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
7407     if (cell == nil)
7408         cell = [[[SectionCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
7409
7410     [cell setSection:[self sectionAtIndexPath:indexPath] editing:[self isEditing]];
7411
7412     return cell;
7413 }
7414
7415 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
7416     if ([self isEditing])
7417         return;
7418
7419     Section *section = [self sectionAtIndexPath:indexPath];
7420
7421     SectionController *controller = [[[SectionController alloc]
7422         initWithDatabase:database_
7423         section:[section name]
7424     ] autorelease];
7425     [controller setDelegate:delegate_];
7426
7427     [[self navigationController] pushViewController:controller animated:YES];
7428 }
7429
7430 - (void) loadView {
7431     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7432
7433     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds]];
7434     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7435     [list_ setRowHeight:45.0f];
7436     [list_ setDataSource:self];
7437     [list_ setDelegate:self];
7438     [[self view] addSubview:list_];
7439 }
7440
7441 - (void) viewDidLoad {
7442     [[self navigationItem] setTitle:UCLocalize("SECTIONS")];
7443 }
7444
7445 - (void) releaseSubviews {
7446     [list_ release];
7447     list_ = nil;
7448 }
7449
7450 - (id) initWithDatabase:(Database *)database {
7451     if ((self = [super init]) != nil) {
7452         database_ = database;
7453
7454         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
7455         filtered_ = [[NSMutableArray arrayWithCapacity:16] retain];
7456     } return self;
7457 }
7458
7459 - (void) reloadData {
7460     [super reloadData];
7461
7462     NSArray *packages = [database_ packages];
7463
7464     [sections_ removeAllObjects];
7465     [filtered_ removeAllObjects];
7466
7467     NSMutableDictionary *sections([NSMutableDictionary dictionaryWithCapacity:32]);
7468
7469     _trace();
7470     for (Package *package in packages) {
7471         NSString *name([package section]);
7472         NSString *key(name == nil ? @"" : name);
7473
7474         Section *section;
7475
7476         _profile(SectionsView$reloadData$Section)
7477             section = [sections objectForKey:key];
7478             if (section == nil) {
7479                 _profile(SectionsView$reloadData$Section$Allocate)
7480                     section = [[[Section alloc] initWithName:key localize:YES] autorelease];
7481                     [sections setObject:section forKey:key];
7482                 _end
7483             }
7484         _end
7485
7486         [section addToCount];
7487
7488         _profile(SectionsView$reloadData$Filter)
7489             if (![package valid] || ![package visible])
7490                 continue;
7491         _end
7492
7493         [section addToRow];
7494     }
7495     _trace();
7496
7497     [sections_ addObjectsFromArray:[sections allValues]];
7498
7499     [sections_ sortUsingSelector:@selector(compareByLocalized:)];
7500
7501     for (Section *section in sections_) {
7502         size_t count([section row]);
7503         if (count == 0)
7504             continue;
7505
7506         section = [[[Section alloc] initWithName:[section name] localized:[section localized]] autorelease];
7507         [section setCount:count];
7508         [filtered_ addObject:section];
7509     }
7510
7511     [self updateNavigationItem];
7512     [list_ reloadData];
7513     _trace();
7514 }
7515
7516 - (void) editButtonClicked {
7517     [self setEditing:![self isEditing] animated:YES];
7518 }
7519
7520 @end
7521 /* }}} */
7522
7523 /* Changes Controller {{{ */
7524 @interface ChangesController : CYViewController <
7525     UITableViewDataSource,
7526     UITableViewDelegate
7527 > {
7528     _transient Database *database_;
7529     unsigned era_;
7530     CFMutableArrayRef packages_;
7531     NSMutableArray *sections_;
7532     UITableView *list_;
7533     unsigned upgrades_;
7534 }
7535
7536 - (id) initWithDatabase:(Database *)database;
7537
7538 @end
7539
7540 @implementation ChangesController
7541
7542 - (void) dealloc {
7543     [self releaseSubviews];
7544     CFRelease(packages_);
7545     [sections_ release];
7546
7547     [super dealloc];
7548 }
7549
7550 - (NSURL *) navigationURL {
7551     return [NSURL URLWithString:@"cydia://changes"];
7552 }
7553
7554 - (void) viewDidAppear:(BOOL)animated {
7555     [super viewDidAppear:animated];
7556     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
7557 }
7558
7559 - (NSInteger) numberOfSectionsInTableView:(UITableView *)list {
7560     NSInteger count([sections_ count]);
7561     return count == 0 ? 1 : count;
7562 }
7563
7564 - (NSString *) tableView:(UITableView *)list titleForHeaderInSection:(NSInteger)section {
7565     if ([sections_ count] == 0)
7566         return nil;
7567     return [[sections_ objectAtIndex:section] name];
7568 }
7569
7570 - (NSInteger) tableView:(UITableView *)list numberOfRowsInSection:(NSInteger)section {
7571     if ([sections_ count] == 0)
7572         return 0;
7573     return [[sections_ objectAtIndex:section] count];
7574 }
7575
7576 - (Package *) packageAtIndex:(NSUInteger)index {
7577     return (Package *) CFArrayGetValueAtIndex(packages_, index);
7578 }
7579
7580 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
7581 @synchronized (database_) {
7582     if ([database_ era] != era_)
7583         return nil;
7584
7585     NSUInteger sectionIndex([path section]);
7586     if (sectionIndex >= [sections_ count])
7587         return nil;
7588     Section *section([sections_ objectAtIndex:sectionIndex]);
7589     NSInteger row([path row]);
7590     return [[[self packageAtIndex:([section row] + row)] retain] autorelease];
7591 } }
7592
7593 - (UITableViewCell *) tableView:(UITableView *)table cellForRowAtIndexPath:(NSIndexPath *)path {
7594     PackageCell *cell((PackageCell *) [table dequeueReusableCellWithIdentifier:@"Package"]);
7595     if (cell == nil)
7596         cell = [[[PackageCell alloc] init] autorelease];
7597     [cell setPackage:[self packageAtIndexPath:path]];
7598     return cell;
7599 }
7600
7601 - (NSIndexPath *) tableView:(UITableView *)table willSelectRowAtIndexPath:(NSIndexPath *)path {
7602     Package *package([self packageAtIndexPath:path]);
7603     CYPackageController *view([[[CYPackageController alloc] initWithDatabase:database_ forPackage:[package id]] autorelease]);
7604     [view setDelegate:delegate_];
7605     [[self navigationController] pushViewController:view animated:YES];
7606     return path;
7607 }
7608
7609 - (void) refreshButtonClicked {
7610     [delegate_ beginUpdate];
7611     [[self navigationItem] setLeftBarButtonItem:nil animated:YES];
7612 }
7613
7614 - (void) upgradeButtonClicked {
7615     [delegate_ distUpgrade];
7616 }
7617
7618 - (void) loadView {
7619     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7620
7621     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain];
7622     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7623     [list_ setRowHeight:73];
7624     [list_ setDataSource:self];
7625     [list_ setDelegate:self];
7626     [[self view] addSubview:list_];
7627 }
7628
7629 - (void) viewDidLoad {
7630     [[self navigationItem] setTitle:UCLocalize("CHANGES")];
7631 }
7632
7633 - (void) releaseSubviews {
7634     [list_ release];
7635     list_ = nil;
7636 }
7637
7638 - (id) initWithDatabase:(Database *)database {
7639     if ((self = [super init]) != nil) {
7640         database_ = database;
7641
7642         packages_ = CFArrayCreateMutable(kCFAllocatorDefault, 0, NULL);
7643         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
7644     } return self;
7645 }
7646
7647 // this mostly works because reloadData (below) is @synchronized (database_)
7648 // XXX: that said, I've been running into problems with NSRangeExceptions :(
7649 - (void) _reloadPackages:(NSArray *)packages {
7650     CFRelease(packages_);
7651     packages_ = CFArrayCreateMutable(kCFAllocatorDefault, [packages count], NULL);
7652
7653     _trace();
7654     _profile(ChangesController$_reloadPackages$Filter)
7655         for (Package *package in packages)
7656             if ([package upgradableAndEssential:YES] || [package visible])
7657                 CFArrayAppendValue(packages_, package);
7658     _end
7659     _trace();
7660     _profile(ChangesController$_reloadPackages$radixSort)
7661         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackageChangesRadix) withContext:NULL];
7662     _end
7663     _trace();
7664 }
7665
7666 - (void) _reloadData {
7667 @synchronized (database_) {
7668     era_ = [database_ era];
7669     NSArray *packages = [database_ packages];
7670
7671     [sections_ removeAllObjects];
7672
7673 #if 1
7674     UIProgressHUD *hud([delegate_ addProgressHUD]);
7675     [hud setText:UCLocalize("LOADING")];
7676     //NSLog(@"HUD:%@::%@", delegate_, hud);
7677     [self yieldToSelector:@selector(_reloadPackages:) withObject:packages];
7678     [delegate_ removeProgressHUD:hud];
7679 #else
7680     [self _reloadPackages:packages];
7681 #endif
7682
7683     Section *upgradable = [[[Section alloc] initWithName:UCLocalize("AVAILABLE_UPGRADES") localize:NO] autorelease];
7684     Section *ignored = nil;
7685     Section *section = nil;
7686     time_t last = 0;
7687
7688     upgrades_ = 0;
7689     bool unseens = false;
7690
7691     CFDateFormatterRef formatter(CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle));
7692
7693     for (size_t offset = 0, count = CFArrayGetCount(packages_); offset != count; ++offset) {
7694         Package *package = [self packageAtIndex:offset];
7695
7696         BOOL uae = [package upgradableAndEssential:YES];
7697
7698         if (!uae) {
7699             unseens = true;
7700             time_t seen([package seen]);
7701
7702             if (section == nil || last != seen) {
7703                 last = seen;
7704
7705                 NSString *name;
7706                 name = (NSString *) CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) [NSDate dateWithTimeIntervalSince1970:seen]);
7707                 [name autorelease];
7708
7709                 _profile(ChangesController$reloadData$Allocate)
7710                     name = [NSString stringWithFormat:UCLocalize("NEW_AT"), name];
7711                     section = [[[Section alloc] initWithName:name row:offset localize:NO] autorelease];
7712                     [sections_ addObject:section];
7713                 _end
7714             }
7715
7716             [section addToCount];
7717         } else if ([package ignored]) {
7718             if (ignored == nil) {
7719                 ignored = [[[Section alloc] initWithName:UCLocalize("IGNORED_UPGRADES") row:offset localize:NO] autorelease];
7720             }
7721             [ignored addToCount];
7722         } else {
7723             ++upgrades_;
7724             [upgradable addToCount];
7725         }
7726     }
7727     _trace();
7728
7729     CFRelease(formatter);
7730
7731     if (unseens) {
7732         Section *last = [sections_ lastObject];
7733         size_t count = [last count];
7734         CFArrayReplaceValues(packages_, CFRangeMake(CFArrayGetCount(packages_) - count, count), NULL, 0);
7735         [sections_ removeLastObject];
7736     }
7737
7738     if ([ignored count] != 0)
7739         [sections_ insertObject:ignored atIndex:0];
7740     if (upgrades_ != 0)
7741         [sections_ insertObject:upgradable atIndex:0];
7742
7743     [list_ reloadData];
7744
7745     if (upgrades_ > 0)
7746         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
7747             initWithTitle:[NSString stringWithFormat:UCLocalize("PARENTHETICAL"), UCLocalize("UPGRADE"), [NSString stringWithFormat:@"%u", upgrades_]]
7748             style:UIBarButtonItemStylePlain
7749             target:self
7750             action:@selector(upgradeButtonClicked)
7751         ] autorelease]];
7752
7753     if (![delegate_ updating])
7754         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
7755             initWithTitle:UCLocalize("REFRESH")
7756             style:UIBarButtonItemStylePlain
7757             target:self
7758             action:@selector(refreshButtonClicked)
7759         ] autorelease]];
7760
7761     PrintTimes();
7762 } }
7763
7764 - (void) reloadData {
7765     [super reloadData];
7766     [self performSelector:@selector(_reloadData) withObject:nil afterDelay:0];
7767 }
7768
7769 @end
7770 /* }}} */
7771 /* Search Controller {{{ */
7772 @interface SearchController : FilteredPackageListController <
7773     UISearchBarDelegate
7774 > {
7775     _H<UISearchBar> search_;
7776     BOOL searchloaded_;
7777 }
7778
7779 - (id) initWithDatabase:(Database *)database;
7780 - (void) setSearchTerm:(NSString *)term;
7781 - (void) reloadData;
7782
7783 @end
7784
7785 @implementation SearchController
7786
7787 - (void) dealloc {
7788     [search_ setDelegate:nil];
7789     [super dealloc];
7790 }
7791
7792 - (NSURL *) navigationURL {
7793     if ([search_ text] == nil || [[search_ text] isEqualToString:@""])
7794         return [NSURL URLWithString:@"cydia://search"];
7795     else
7796         return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://search/%@", [search_ text]]];
7797 }
7798
7799 - (void) setSearchTerm:(NSString *)searchTerm {
7800     [search_ setText:searchTerm];
7801     [self reloadData];
7802 }
7803
7804 - (void) searchBarSearchButtonClicked:(UISearchBar *)searchBar {
7805     [self setObject:[search_ text] forFilter:@selector(isUnfilteredAndSearchedForBy:)];
7806     [search_ resignFirstResponder];
7807     [self reloadData];
7808 }
7809
7810 - (void) searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)text {
7811     [self setObject:text forFilter:@selector(isUnfilteredAndSelectedForBy:)];
7812     [self reloadData];
7813 }
7814
7815 - (id) initWithDatabase:(Database *)database {
7816     if ((self = [super initWithDatabase:database title:UCLocalize("SEARCH") filter:@selector(isUnfilteredAndSearchedForBy:) with:nil])) {
7817         search_ = [[[UISearchBar alloc] init] autorelease];
7818         [search_ setDelegate:self];
7819     } return self;
7820 }
7821
7822 - (void) viewDidAppear:(BOOL)animated {
7823     [super viewDidAppear:animated];
7824
7825     if (!searchloaded_) {
7826         searchloaded_ = YES;
7827         [search_ setFrame:CGRectMake(0, 0, [[self view] bounds].size.width, 44.0f)];
7828         [search_ layoutSubviews];
7829         [search_ setPlaceholder:UCLocalize("SEARCH_EX")];
7830
7831         UITextField *textField;
7832         if ([search_ respondsToSelector:@selector(searchField)])
7833             textField = [search_ searchField];
7834         else
7835             textField = MSHookIvar<UITextField *>(search_, "_searchField");
7836
7837         [textField setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
7838         [textField setEnablesReturnKeyAutomatically:NO];
7839         [[self navigationItem] setTitleView:textField];
7840     }
7841 }
7842
7843 - (void) reloadData {
7844     [self setObject:[search_ text]];
7845     [self resetCursor];
7846
7847     [super reloadData];
7848 }
7849
7850 - (void) didSelectPackage:(Package *)package {
7851     [search_ resignFirstResponder];
7852     [super didSelectPackage:package];
7853 }
7854
7855 @end
7856 /* }}} */
7857 /* Package Settings Controller {{{ */
7858 @interface PackageSettingsController : CYViewController <
7859     UITableViewDataSource,
7860     UITableViewDelegate
7861 > {
7862     _transient Database *database_;
7863     NSString *name_;
7864     Package *package_;
7865     UITableView *table_;
7866     UISwitch *subscribedSwitch_;
7867     UISwitch *ignoredSwitch_;
7868     UITableViewCell *subscribedCell_;
7869     UITableViewCell *ignoredCell_;
7870 }
7871
7872 - (id) initWithDatabase:(Database *)database package:(NSString *)package;
7873
7874 @end
7875
7876 @implementation PackageSettingsController
7877
7878 - (void) dealloc {
7879     [self releaseSubviews];
7880     [name_ release];
7881     [package_ release];
7882
7883     [super dealloc];
7884 }
7885
7886 - (NSURL *) navigationURL {
7887     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/settings", [package_ id]]];
7888 }
7889
7890 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
7891     if (package_ == nil)
7892         return 0;
7893
7894     if ([package_ installed] == nil)
7895         return 1;
7896     else
7897         return 2;
7898 }
7899
7900 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7901     if (package_ == nil)
7902         return 0;
7903
7904     // both sections contain just one item right now.
7905     return 1;
7906 }
7907
7908 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
7909     return nil;
7910 }
7911
7912 - (NSString *) tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
7913     if (section == 0)
7914         return UCLocalize("SHOW_ALL_CHANGES_EX");
7915     else
7916         return UCLocalize("IGNORE_UPGRADES_EX");
7917 }
7918
7919 - (void) onSubscribed:(id)control {
7920     bool value([control isOn]);
7921     if (package_ == nil)
7922         return;
7923     if ([package_ setSubscribed:value])
7924         [delegate_ updateData];
7925 }
7926
7927 - (void) _updateIgnored {
7928     const char *package([name_ UTF8String]);
7929     bool on([ignoredSwitch_ isOn]);
7930
7931     pid_t pid(ExecFork());
7932     if (pid == 0) {
7933         FILE *dpkg(popen("dpkg --set-selections", "w"));
7934         fwrite(package, strlen(package), 1, dpkg);
7935
7936         if (on)
7937             fwrite(" hold\n", 6, 1, dpkg);
7938         else
7939             fwrite(" install\n", 9, 1, dpkg);
7940
7941         pclose(dpkg);
7942
7943         exit(0);
7944         _assert(false);
7945     }
7946
7947     _forever {
7948         int status;
7949         int result(waitpid(pid, &status, 0));
7950
7951         if (result != -1) {
7952             _assert(result == pid);
7953             break;
7954         }
7955     }
7956 }
7957
7958 - (void) onIgnored:(id)control {
7959     NSInvocation *invocation([NSInvocation invocationWithMethodSignature:[self methodSignatureForSelector:@selector(_updateIgnored)]]);
7960     [invocation setTarget:self];
7961     [invocation setSelector:@selector(_updateIgnored)];
7962
7963     [delegate_ reloadDataWithInvocation:invocation];
7964 }
7965
7966 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7967     if (package_ == nil)
7968         return nil;
7969
7970     switch ([indexPath section]) {
7971         case 0: return subscribedCell_;
7972         case 1: return ignoredCell_;
7973
7974         _nodefault
7975     }
7976
7977     return nil;
7978 }
7979
7980 - (void) loadView {
7981     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7982
7983     table_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped];
7984     [table_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7985     [table_ setDataSource:self];
7986     [table_ setDelegate:self];
7987     [[self view] addSubview:table_];
7988
7989     subscribedSwitch_ = [[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)];
7990     [subscribedSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
7991     [subscribedSwitch_ addTarget:self action:@selector(onSubscribed:) forEvents:UIControlEventValueChanged];
7992
7993     ignoredSwitch_ = [[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)];
7994     [ignoredSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
7995     [ignoredSwitch_ addTarget:self action:@selector(onIgnored:) forEvents:UIControlEventValueChanged];
7996
7997     subscribedCell_ = [[UITableViewCell alloc] init];
7998     [subscribedCell_ setText:UCLocalize("SHOW_ALL_CHANGES")];
7999     [subscribedCell_ setAccessoryView:subscribedSwitch_];
8000     [subscribedCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
8001
8002     ignoredCell_ = [[UITableViewCell alloc] init];
8003     [ignoredCell_ setText:UCLocalize("IGNORE_UPGRADES")];
8004     [ignoredCell_ setAccessoryView:ignoredSwitch_];
8005     [ignoredCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
8006 }
8007
8008 - (void) viewDidLoad {
8009     [[self navigationItem] setTitle:UCLocalize("SETTINGS")];
8010 }
8011
8012 - (void) releaseSubviews {
8013     [ignoredCell_ release];
8014     ignoredCell_ = nil;
8015
8016     [subscribedCell_ release];
8017     subscribedCell_ = nil;
8018
8019     [table_ release];
8020     table_ = nil;
8021
8022     [ignoredSwitch_ release];
8023     ignoredSwitch_ = nil;
8024
8025     [subscribedSwitch_ release];
8026     subscribedSwitch_ = nil;
8027 }
8028
8029 - (id) initWithDatabase:(Database *)database package:(NSString *)package {
8030     if ((self = [super init]) != nil) {
8031         database_ = database;
8032         name_ = [package retain];
8033     } return self;
8034 }
8035
8036 - (void) reloadData {
8037     [super reloadData];
8038
8039     if (package_ != nil)
8040         [package_ autorelease];
8041     package_ = [database_ packageWithName:name_];
8042
8043     if (package_ != nil) {
8044         package_ = [package_ retain];
8045         [subscribedSwitch_ setOn:([package_ subscribed] ? 1 : 0) animated:NO];
8046         [ignoredSwitch_ setOn:([package_ ignored] ? 1 : 0) animated:NO];
8047     } // XXX: what now, G?
8048
8049     [table_ reloadData];
8050 }
8051
8052 @end
8053 /* }}} */
8054
8055 /* Installed Controller {{{ */
8056 @interface InstalledController : FilteredPackageListController {
8057     BOOL expert_;
8058 }
8059
8060 - (id) initWithDatabase:(Database *)database;
8061
8062 - (void) updateRoleButton;
8063 - (void) queueStatusDidChange;
8064
8065 @end
8066
8067 @implementation InstalledController
8068
8069 - (void) dealloc {
8070     [super dealloc];
8071 }
8072
8073 - (NSURL *) navigationURL {
8074     return [NSURL URLWithString:@"cydia://installed"];
8075 }
8076
8077 - (id) initWithDatabase:(Database *)database {
8078     if ((self = [super initWithDatabase:database title:UCLocalize("INSTALLED") filter:@selector(isInstalledAndUnfiltered:) with:[NSNumber numberWithBool:YES]]) != nil) {
8079         [self updateRoleButton];
8080         [self queueStatusDidChange];
8081     } return self;
8082 }
8083
8084 #if !AlwaysReload
8085 - (void) queueButtonClicked {
8086     [delegate_ queue];
8087 }
8088 #endif
8089
8090 - (void) queueStatusDidChange {
8091 #if !AlwaysReload
8092     if (IsWildcat_) {
8093         if (Queuing_) {
8094             [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
8095                 initWithTitle:UCLocalize("QUEUE")
8096                 style:UIBarButtonItemStyleDone
8097                 target:self
8098                 action:@selector(queueButtonClicked)
8099             ] autorelease]];
8100         } else {
8101             [[self navigationItem] setLeftBarButtonItem:nil];
8102         }
8103     }
8104 #endif
8105 }
8106
8107 - (void) updateRoleButton {
8108     if (Role_ != nil && ![Role_ isEqualToString:@"Developer"])
8109         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8110             initWithTitle:(expert_ ? UCLocalize("EXPERT") : UCLocalize("SIMPLE"))
8111             style:(expert_ ? UIBarButtonItemStyleDone : UIBarButtonItemStylePlain)
8112             target:self
8113             action:@selector(roleButtonClicked)
8114         ] autorelease]];
8115 }
8116
8117 - (void) roleButtonClicked {
8118     [self setObject:[NSNumber numberWithBool:expert_]];
8119     [self reloadData];
8120     expert_ = !expert_;
8121
8122     [self updateRoleButton];
8123 }
8124
8125 @end
8126 /* }}} */
8127
8128 /* Source Cell {{{ */
8129 @interface SourceCell : CYTableViewCell <
8130     ContentDelegate
8131 > {
8132     UIImage *icon_;
8133     NSString *origin_;
8134     NSString *label_;
8135 }
8136
8137 - (void) setSource:(Source *)source;
8138
8139 @end
8140
8141 @implementation SourceCell
8142
8143 - (void) clearSource {
8144     [icon_ release];
8145     [origin_ release];
8146     [label_ release];
8147
8148     icon_ = nil;
8149     origin_ = nil;
8150     label_ = nil;
8151 }
8152
8153 - (void) setSource:(Source *)source {
8154     [self clearSource];
8155
8156     if (icon_ == nil)
8157         icon_ = [UIImage applicationImageNamed:[NSString stringWithFormat:@"Sources/%@.png", [source host]]];
8158     if (icon_ == nil)
8159         icon_ = [UIImage applicationImageNamed:@"unknown.png"];
8160     icon_ = [icon_ retain];
8161
8162     origin_ = [[source name] retain];
8163     label_ = [[source uri] retain];
8164
8165     [content_ setNeedsDisplay];
8166 }
8167
8168 - (void) dealloc {
8169     [self clearSource];
8170     [super dealloc];
8171 }
8172
8173 - (SourceCell *) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
8174     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
8175         UIView *content([self contentView]);
8176         CGRect bounds([content bounds]);
8177
8178         content_ = [[ContentView alloc] initWithFrame:bounds];
8179         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8180         [content_ setBackgroundColor:[UIColor whiteColor]];
8181         [content addSubview:content_];
8182
8183         [content_ setDelegate:self];
8184         [content_ setOpaque:YES];
8185     } return self;
8186 }
8187
8188 - (NSString *) accessibilityLabel {
8189     return label_;
8190 }
8191
8192 - (void) drawContentRect:(CGRect)rect {
8193     bool highlighted(highlighted_);
8194     float width(rect.size.width);
8195
8196     if (icon_ != nil)
8197         [icon_ drawInRect:CGRectMake(10, 10, 30, 30)];
8198
8199     if (highlighted)
8200         UISetColor(White_);
8201
8202     if (!highlighted)
8203         UISetColor(Black_);
8204     [origin_ drawAtPoint:CGPointMake(48, 8) forWidth:(width - 80) withFont:Font18Bold_ lineBreakMode:UILineBreakModeTailTruncation];
8205
8206     if (!highlighted)
8207         UISetColor(Blue_);
8208     [label_ drawAtPoint:CGPointMake(58, 29) forWidth:(width - 95) withFont:Font12_ lineBreakMode:UILineBreakModeTailTruncation];
8209 }
8210
8211 @end
8212 /* }}} */
8213 /* Source Controller {{{ */
8214 @interface SourceController : FilteredPackageListController {
8215     _transient Source *source_;
8216     NSString *key_;
8217 }
8218
8219 - (id) initWithDatabase:(Database *)database source:(Source *)source;
8220
8221 @end
8222
8223 @implementation SourceController
8224
8225 - (NSURL *) navigationURL {
8226     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sources/%@", [source_ name]]];
8227 }
8228
8229 - (id) initWithDatabase:(Database *)database source:(Source *)source {
8230     if ((self = [super initWithDatabase:database title:[source label] filter:@selector(isVisibleInSource:) with:source]) != nil) {
8231         source_ = source;
8232         key_ = [[source key] retain];
8233     } return self;
8234 }
8235
8236 - (void) reloadData {
8237     source_ = [database_ sourceWithKey:key_];
8238     [key_ release];
8239     key_ = [[source_ key] retain];
8240     [self setObject:source_];
8241
8242     [[self navigationItem] setTitle:[source_ label]];
8243
8244     [super reloadData];
8245 }
8246
8247 @end
8248 /* }}} */
8249 /* Sources Controller {{{ */
8250 @interface SourcesController : CYViewController <
8251     UITableViewDataSource,
8252     UITableViewDelegate
8253 > {
8254     _transient Database *database_;
8255     UITableView *list_;
8256     NSMutableArray *sources_;
8257     int offset_;
8258
8259     NSString *href_;
8260     UIProgressHUD *hud_;
8261     NSError *error_;
8262
8263     //NSURLConnection *installer_;
8264     NSURLConnection *trivial_;
8265     NSURLConnection *trivial_bz2_;
8266     NSURLConnection *trivial_gz_;
8267     //NSURLConnection *automatic_;
8268
8269     BOOL cydia_;
8270 }
8271
8272 - (id) initWithDatabase:(Database *)database;
8273 - (void) updateButtonsForEditingStatus:(BOOL)editing animated:(BOOL)animated;
8274
8275 @end
8276
8277 @implementation SourcesController
8278
8279 - (void) _releaseConnection:(NSURLConnection *)connection {
8280     if (connection != nil) {
8281         [connection cancel];
8282         //[connection setDelegate:nil];
8283         [connection release];
8284     }
8285 }
8286
8287 - (void) dealloc {
8288     [self releaseSubviews];
8289
8290     [href_ release];
8291     [hud_ release];
8292     [error_ release];
8293
8294     //[self _releaseConnection:installer_];
8295     [self _releaseConnection:trivial_];
8296     [self _releaseConnection:trivial_gz_];
8297     [self _releaseConnection:trivial_bz2_];
8298     //[self _releaseConnection:automatic_];
8299
8300     [sources_ release];
8301     [super dealloc];
8302 }
8303
8304 - (NSURL *) navigationURL {
8305     return [NSURL URLWithString:@"cydia://sources"];
8306 }
8307
8308 - (void) viewDidAppear:(BOOL)animated {
8309     [super viewDidAppear:animated];
8310     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
8311 }
8312
8313 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
8314     return offset_ == 0 ? 1 : 2;
8315 }
8316
8317 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
8318     switch (section + (offset_ == 0 ? 1 : 0)) {
8319         case 0: return UCLocalize("ENTERED_BY_USER");
8320         case 1: return UCLocalize("INSTALLED_BY_PACKAGE");
8321
8322         _nodefault
8323     }
8324 }
8325
8326 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
8327     int count = [sources_ count];
8328     switch (section) {
8329         case 0: return (offset_ == 0 ? count : offset_);
8330         case 1: return count - offset_;
8331
8332         _nodefault
8333     }
8334 }
8335
8336 - (Source *) sourceAtIndexPath:(NSIndexPath *)indexPath {
8337     unsigned idx = 0;
8338     switch (indexPath.section) {
8339         case 0: idx = indexPath.row; break;
8340         case 1: idx = indexPath.row + offset_; break;
8341
8342         _nodefault
8343     }
8344     return [sources_ objectAtIndex:idx];
8345 }
8346
8347 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
8348     static NSString *cellIdentifier = @"SourceCell";
8349
8350     SourceCell *cell = (SourceCell *) [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
8351     if(cell == nil) cell = [[[SourceCell alloc] initWithFrame:CGRectZero reuseIdentifier:cellIdentifier] autorelease];
8352     [cell setSource:[self sourceAtIndexPath:indexPath]];
8353     [cell setAccessoryType:UITableViewCellAccessoryDisclosureIndicator];
8354
8355     return cell;
8356 }
8357
8358 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
8359     Source *source = [self sourceAtIndexPath:indexPath];
8360
8361     SourceController *controller = [[[SourceController alloc]
8362         initWithDatabase:database_
8363         source:source
8364     ] autorelease];
8365
8366     [controller setDelegate:delegate_];
8367
8368     [[self navigationController] pushViewController:controller animated:YES];
8369 }
8370
8371 - (BOOL) tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
8372     Source *source = [self sourceAtIndexPath:indexPath];
8373     return [source record] != nil;
8374 }
8375
8376 - (void) tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
8377     Source *source = [self sourceAtIndexPath:indexPath];
8378     [Sources_ removeObjectForKey:[source key]];
8379     [delegate_ syncData];
8380 }
8381
8382 - (void) complete {
8383     [delegate_ addTrivialSource:href_];
8384     [delegate_ syncData];
8385 }
8386
8387 - (NSString *) getWarning {
8388     NSString *href(href_);
8389     NSRange colon([href rangeOfString:@"://"]);
8390     if (colon.location != NSNotFound)
8391         href = [href substringFromIndex:(colon.location + 3)];
8392     href = [href stringByAddingPercentEscapes];
8393     href = [CydiaURL(@"api/repotag/") stringByAppendingString:href];
8394     href = [href stringByCachingURLWithCurrentCDN];
8395
8396     NSURL *url([NSURL URLWithString:href]);
8397
8398     NSStringEncoding encoding;
8399     NSError *error(nil);
8400
8401     if (NSString *warning = [NSString stringWithContentsOfURL:url usedEncoding:&encoding error:&error])
8402         return [warning length] == 0 ? nil : warning;
8403     return nil;
8404 }
8405
8406 - (void) _endConnection:(NSURLConnection *)connection {
8407     // XXX: the memory management in this method is horribly awkward
8408
8409     NSURLConnection **field = NULL;
8410     if (connection == trivial_)
8411         field = &trivial_;
8412     else if (connection == trivial_bz2_)
8413         field = &trivial_bz2_;
8414     else if (connection == trivial_gz_)
8415         field = &trivial_gz_;
8416     _assert(field != NULL);
8417     [connection release];
8418     *field = nil;
8419
8420     if (
8421         trivial_ == nil &&
8422         trivial_bz2_ == nil &&
8423         trivial_gz_ == nil
8424     ) {
8425         bool defer(false);
8426
8427         if (cydia_) {
8428             if (NSString *warning = [self yieldToSelector:@selector(getWarning)]) {
8429                 defer = true;
8430
8431                 UIAlertView *alert = [[[UIAlertView alloc]
8432                     initWithTitle:UCLocalize("SOURCE_WARNING")
8433                     message:warning
8434                     delegate:self
8435                     cancelButtonTitle:UCLocalize("CANCEL")
8436                     otherButtonTitles:
8437                         UCLocalize("ADD_ANYWAY"),
8438                     nil
8439                 ] autorelease];
8440
8441                 [alert setContext:@"warning"];
8442                 [alert setNumberOfRows:1];
8443                 [alert show];
8444             } else
8445                 [self complete];
8446         } else if (error_ != nil) {
8447             UIAlertView *alert = [[[UIAlertView alloc]
8448                 initWithTitle:UCLocalize("VERIFICATION_ERROR")
8449                 message:[error_ localizedDescription]
8450                 delegate:self
8451                 cancelButtonTitle:UCLocalize("OK")
8452                 otherButtonTitles:nil
8453             ] autorelease];
8454
8455             [alert setContext:@"urlerror"];
8456             [alert show];
8457         } else {
8458             UIAlertView *alert = [[[UIAlertView alloc]
8459                 initWithTitle:UCLocalize("NOT_REPOSITORY")
8460                 message:UCLocalize("NOT_REPOSITORY_EX")
8461                 delegate:self
8462                 cancelButtonTitle:UCLocalize("OK")
8463                 otherButtonTitles:nil
8464             ] autorelease];
8465
8466             [alert setContext:@"trivial"];
8467             [alert show];
8468         }
8469
8470         [delegate_ releaseNetworkActivityIndicator];
8471
8472         [delegate_ removeProgressHUD:hud_];
8473         [hud_ autorelease];
8474         hud_ = nil;
8475
8476         if (!defer) {
8477             [href_ release];
8478             href_ = nil;
8479         }
8480
8481         if (error_ != nil) {
8482             [error_ release];
8483             error_ = nil;
8484         }
8485     }
8486 }
8487
8488 - (void) connection:(NSURLConnection *)connection didReceiveResponse:(NSHTTPURLResponse *)response {
8489     switch ([response statusCode]) {
8490         case 200:
8491             cydia_ = YES;
8492     }
8493 }
8494
8495 - (void) connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
8496     lprintf("connection:\"%s\" didFailWithError:\"%s\"", [href_ UTF8String], [[error localizedDescription] UTF8String]);
8497     if (error_ != nil)
8498         error_ = [error retain];
8499     [self _endConnection:connection];
8500 }
8501
8502 - (void) connectionDidFinishLoading:(NSURLConnection *)connection {
8503     [self _endConnection:connection];
8504 }
8505
8506 - (NSURLConnection *) _requestHRef:(NSString *)href method:(NSString *)method {
8507     NSMutableURLRequest *request = [NSMutableURLRequest
8508         requestWithURL:[NSURL URLWithString:href]
8509         cachePolicy:NSURLRequestUseProtocolCachePolicy
8510         timeoutInterval:120.0
8511     ];
8512
8513     [request setHTTPMethod:method];
8514
8515     if (Machine_ != NULL)
8516         [request setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
8517     if (UniqueID_ != nil)
8518         [request setValue:UniqueID_ forHTTPHeaderField:@"X-Unique-ID"];
8519
8520     return [[[NSURLConnection alloc] initWithRequest:request delegate:self] autorelease];
8521 }
8522
8523 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
8524     NSString *context([alert context]);
8525
8526     if ([context isEqualToString:@"source"]) {
8527         switch (button) {
8528             case 1: {
8529                 NSString *href = [[alert textField] text];
8530
8531                 //installer_ = [[self _requestHRef:href method:@"GET"] retain];
8532
8533                 if (![href hasSuffix:@"/"])
8534                     href_ = [href stringByAppendingString:@"/"];
8535                 else
8536                     href_ = href;
8537                 href_ = [href_ retain];
8538
8539                 trivial_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages"] method:@"HEAD"] retain];
8540                 trivial_bz2_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.bz2"] method:@"HEAD"] retain];
8541                 trivial_gz_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.gz"] method:@"HEAD"] retain];
8542                 //trivial_bz2_ = [[self _requestHRef:[href stringByAppendingString:@"dists/Release"] method:@"HEAD"] retain];
8543
8544                 cydia_ = false;
8545
8546                 // XXX: this is stupid
8547                 hud_ = [[delegate_ addProgressHUD] retain];
8548                 [hud_ setText:UCLocalize("VERIFYING_URL")];
8549                 [delegate_ retainNetworkActivityIndicator];
8550             } break;
8551
8552             case 0:
8553             break;
8554
8555             _nodefault
8556         }
8557
8558         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8559     } else if ([context isEqualToString:@"trivial"])
8560         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8561     else if ([context isEqualToString:@"urlerror"])
8562         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8563     else if ([context isEqualToString:@"warning"]) {
8564         switch (button) {
8565             case 1:
8566                 [self complete];
8567             break;
8568
8569             case 0:
8570             break;
8571
8572             _nodefault
8573         }
8574
8575         [href_ release];
8576         href_ = nil;
8577
8578         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8579     }
8580 }
8581
8582 - (void) loadView {
8583     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8584
8585     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain];
8586     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8587     [list_ setRowHeight:56];
8588     [list_ setDataSource:self];
8589     [list_ setDelegate:self];
8590     [[self view] addSubview:list_];
8591 }
8592
8593 - (void) viewDidLoad {
8594     [[self navigationItem] setTitle:UCLocalize("SOURCES")];
8595     [self updateButtonsForEditingStatus:NO animated:NO];
8596 }
8597
8598 - (void) releaseSubviews {
8599     [list_ release];
8600     list_ = nil;
8601 }
8602
8603 - (id) initWithDatabase:(Database *)database {
8604     if ((self = [super init]) != nil) {
8605         database_ = database;
8606         sources_ = [[NSMutableArray arrayWithCapacity:16] retain];
8607     } return self;
8608 }
8609
8610 - (void) reloadData {
8611     [super reloadData];
8612
8613     pkgSourceList list;
8614     if ([database_ popErrorWithTitle:UCLocalize("SOURCES") forOperation:list.ReadMainList()])
8615         return;
8616
8617     [sources_ removeAllObjects];
8618     [sources_ addObjectsFromArray:[database_ sources]];
8619     _trace();
8620     [sources_ sortUsingSelector:@selector(compareByNameAndType:)];
8621     _trace();
8622
8623     int count([sources_ count]);
8624     offset_ = 0;
8625     for (int i = 0; i != count; i++) {
8626         if ([[sources_ objectAtIndex:i] record] == nil)
8627             break;
8628         offset_++;
8629     }
8630
8631     [list_ setEditing:NO];
8632     [self updateButtonsForEditingStatus:NO animated:NO];
8633     [list_ reloadData];
8634 }
8635
8636 - (void) showAddSourcePrompt {
8637     UIAlertView *alert = [[[UIAlertView alloc]
8638         initWithTitle:UCLocalize("ENTER_APT_URL")
8639         message:nil
8640         delegate:self
8641         cancelButtonTitle:UCLocalize("CANCEL")
8642         otherButtonTitles:
8643             UCLocalize("ADD_SOURCE"),
8644         nil
8645     ] autorelease];
8646
8647     [alert setContext:@"source"];
8648     [alert setTransform:CGAffineTransformTranslate([alert transform], 0.0, 100.0)];
8649
8650     [alert setNumberOfRows:1];
8651     [alert addTextFieldWithValue:@"http://" label:@""];
8652
8653     UITextInputTraits *traits = [[alert textField] textInputTraits];
8654     [traits setAutocapitalizationType:UITextAutocapitalizationTypeNone];
8655     [traits setAutocorrectionType:UITextAutocorrectionTypeNo];
8656     [traits setKeyboardType:UIKeyboardTypeURL];
8657     // XXX: UIReturnKeyDone
8658     [traits setReturnKeyType:UIReturnKeyNext];
8659
8660     [alert show];
8661 }
8662
8663 - (void) addButtonClicked {
8664     [self showAddSourcePrompt];
8665 }
8666
8667 - (void) updateButtonsForEditingStatus:(BOOL)editing animated:(BOOL)animated {
8668     [[self navigationItem] setLeftBarButtonItem:(editing ? [[[UIBarButtonItem alloc]
8669         initWithTitle:UCLocalize("ADD")
8670         style:UIBarButtonItemStylePlain
8671         target:self
8672         action:@selector(addButtonClicked)
8673     ] autorelease] : [[self navigationItem] backBarButtonItem]) animated:animated];
8674
8675     [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8676         initWithTitle:(editing ? UCLocalize("DONE") : UCLocalize("EDIT"))
8677         style:(editing ? UIBarButtonItemStyleDone : UIBarButtonItemStylePlain)
8678         target:self
8679         action:@selector(editButtonClicked)
8680     ] autorelease] animated:animated];
8681
8682     if (IsWildcat_ && !editing)
8683         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
8684             initWithTitle:UCLocalize("SETTINGS")
8685             style:UIBarButtonItemStylePlain
8686             target:self
8687             action:@selector(settingsButtonClicked)
8688         ] autorelease]];
8689 }
8690
8691 - (void) settingsButtonClicked {
8692     [delegate_ showSettings];
8693 }
8694
8695 - (void) editButtonClicked {
8696     [list_ setEditing:![list_ isEditing] animated:YES];
8697
8698     [self updateButtonsForEditingStatus:[list_ isEditing] animated:YES];
8699 }
8700
8701 @end
8702 /* }}} */
8703
8704 /* Settings Controller {{{ */
8705 @interface SettingsController : CYViewController <
8706     UITableViewDataSource,
8707     UITableViewDelegate
8708 > {
8709     _transient Database *database_;
8710     // XXX: ok, "roledelegate_"?...
8711     _transient id roledelegate_;
8712     UITableView *table_;
8713     UISegmentedControl *segment_;
8714     UIView *container_;
8715 }
8716
8717 - (void) showDoneButton;
8718 - (void) resizeSegmentedControl;
8719
8720 @end
8721
8722 @implementation SettingsController
8723
8724 - (void) dealloc {
8725     [self releaseSubviews];
8726
8727     [super dealloc];
8728 }
8729
8730 - (void) loadView {
8731     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8732
8733     table_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped];
8734     [table_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8735     [table_ setDelegate:self];
8736     [table_ setDataSource:self];
8737     [[self view] addSubview:table_];
8738
8739     NSArray *items = [NSArray arrayWithObjects:
8740         UCLocalize("USER"),
8741         UCLocalize("HACKER"),
8742         UCLocalize("DEVELOPER"),
8743     nil];
8744     segment_ = [[UISegmentedControl alloc] initWithItems:items];
8745     container_ = [[UIView alloc] initWithFrame:CGRectMake(0, 0, [[self view] frame].size.width, 44.0f)];
8746     [container_ addSubview:segment_];
8747 }
8748
8749 - (void) viewDidLoad {
8750     [[self navigationItem] setTitle:UCLocalize("WHO_ARE_YOU")];
8751
8752     int index = -1;
8753     if ([Role_ isEqualToString:@"User"]) index = 0;
8754     if ([Role_ isEqualToString:@"Hacker"]) index = 1;
8755     if ([Role_ isEqualToString:@"Developer"]) index = 2;
8756     if (index != -1) {
8757         [segment_ setSelectedSegmentIndex:index];
8758         [self showDoneButton];
8759     }
8760
8761     [segment_ addTarget:self action:@selector(segmentChanged:) forControlEvents:UIControlEventValueChanged];
8762     [self resizeSegmentedControl];
8763 }
8764
8765 - (void) releaseSubviews {
8766     [table_ release];
8767     table_ = nil;
8768
8769     [segment_ release];
8770     segment_ = nil;
8771
8772     [container_ release];
8773     container_ = nil;
8774 }
8775
8776 - (id) initWithDatabase:(Database *)database delegate:(id)delegate {
8777     if ((self = [super init]) != nil) {
8778         database_ = database;
8779         roledelegate_ = delegate;
8780     } return self;
8781 }
8782
8783 - (void) resizeSegmentedControl {
8784     CGFloat width = [[self view] frame].size.width;
8785     [segment_ setFrame:CGRectMake(width / 32.0f, 0, width - (width / 32.0f * 2.0f), 44.0f)];
8786 }
8787
8788 - (void) viewWillAppear:(BOOL)animated {
8789     [super viewWillAppear:animated];
8790
8791     [self resizeSegmentedControl];
8792 }
8793
8794 - (void) willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation duration:(NSTimeInterval)duration {
8795     [self resizeSegmentedControl];
8796 }
8797
8798 - (void) didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
8799     [self resizeSegmentedControl];
8800 }
8801
8802 - (void) save {
8803     NSString *role(nil);
8804
8805     switch ([segment_ selectedSegmentIndex]) {
8806         case 0: role = @"User"; break;
8807         case 1: role = @"Hacker"; break;
8808         case 2: role = @"Developer"; break;
8809
8810         _nodefault
8811     }
8812
8813     if (![role isEqualToString:Role_]) {
8814         bool rolling(Role_ == nil);
8815         Role_ = role;
8816
8817         Settings_ = [NSMutableDictionary dictionaryWithObjectsAndKeys:
8818             Role_, @"Role",
8819         nil];
8820
8821         [Metadata_ setObject:Settings_ forKey:@"Settings"];
8822         Changed_ = true;
8823
8824         if (rolling)
8825             [roledelegate_ loadData];
8826         else
8827             [roledelegate_ updateData];
8828     }
8829 }
8830
8831 - (void) segmentChanged:(UISegmentedControl *)control {
8832     [self showDoneButton];
8833 }
8834
8835 - (void) saveAndClose {
8836     [self save];
8837
8838     [[self navigationItem] setRightBarButtonItem:nil];
8839     [[self navigationController] dismissModalViewControllerAnimated:YES];
8840 }
8841
8842 - (void) doneButtonClicked {
8843     UIActivityIndicatorView *spinner = [[[UIActivityIndicatorView alloc] initWithFrame:CGRectMake(0, 0, 20.0f, 20.0f)] autorelease];
8844     [spinner startAnimating];
8845     UIBarButtonItem *spinItem = [[[UIBarButtonItem alloc] initWithCustomView:spinner] autorelease];
8846     [[self navigationItem] setRightBarButtonItem:spinItem];
8847
8848     [self performSelector:@selector(saveAndClose) withObject:nil afterDelay:0];
8849 }
8850
8851 - (void) showDoneButton {
8852     [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8853         initWithTitle:UCLocalize("DONE")
8854         style:UIBarButtonItemStyleDone
8855         target:self
8856         action:@selector(doneButtonClicked)
8857     ] autorelease] animated:([[self navigationItem] rightBarButtonItem] == nil)];
8858 }
8859
8860 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
8861     // XXX: For not having a single cell in the table, this sure is a lot of sections.
8862     return 6;
8863 }
8864
8865 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
8866     return 0; // :(
8867 }
8868
8869 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
8870     return nil; // This method is required by the protocol.
8871 }
8872
8873 - (NSString *) tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
8874     if (section == 1)
8875         return UCLocalize("ROLE_EX");
8876     if (section == 4)
8877         return [NSString stringWithFormat:
8878             @"%@: %@\n%@: %@\n%@: %@",
8879             UCLocalize("USER"), UCLocalize("USER_EX"),
8880             UCLocalize("HACKER"), UCLocalize("HACKER_EX"),
8881             UCLocalize("DEVELOPER"), UCLocalize("DEVELOPER_EX")
8882         ];
8883     else return nil;
8884 }
8885
8886 - (CGFloat) tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section {
8887     return section == 3 ? 44.0f : 0;
8888 }
8889
8890 - (UIView *) tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
8891     return section == 3 ? container_ : nil;
8892 }
8893
8894 - (void) reloadData {
8895     [super reloadData];
8896
8897     [table_ reloadData];
8898 }
8899
8900 @end
8901 /* }}} */
8902 /* Stash Controller {{{ */
8903 @interface StashController : CYViewController {
8904     UIActivityIndicatorView *spinner_;
8905     UILabel *status_;
8906     UILabel *caption_;
8907 }
8908
8909 @end
8910
8911 @implementation StashController
8912
8913 - (void) dealloc {
8914     [self releaseSubviews];
8915
8916     [super dealloc];
8917 }
8918
8919 - (void) loadView {
8920     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8921     [[self view] setBackgroundColor:[UIColor viewFlipsideBackgroundColor]];
8922
8923     spinner_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge] autorelease];
8924     CGRect spinrect = [spinner_ frame];
8925     spinrect.origin.x = ([[self view] frame].size.width / 2) - (spinrect.size.width / 2);
8926     spinrect.origin.y = [[self view] frame].size.height - 80.0f;
8927     [spinner_ setFrame:spinrect];
8928     [spinner_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin];
8929     [[self view] addSubview:spinner_];
8930     [spinner_ startAnimating];
8931
8932     CGRect captrect;
8933     captrect.size.width = [[self view] frame].size.width;
8934     captrect.size.height = 40.0f;
8935     captrect.origin.x = 0;
8936     captrect.origin.y = ([[self view] frame].size.height / 2) - (captrect.size.height * 2);
8937     caption_ = [[[UILabel alloc] initWithFrame:captrect] autorelease];
8938     [caption_ setText:UCLocalize("PREPARING_FILESYSTEM")];
8939     [caption_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8940     [caption_ setFont:[UIFont boldSystemFontOfSize:28.0f]];
8941     [caption_ setTextColor:[UIColor whiteColor]];
8942     [caption_ setBackgroundColor:[UIColor clearColor]];
8943     [caption_ setShadowColor:[UIColor blackColor]];
8944     [caption_ setTextAlignment:UITextAlignmentCenter];
8945     [[self view] addSubview:caption_];
8946
8947     CGRect statusrect;
8948     statusrect.size.width = [[self view] frame].size.width;
8949     statusrect.size.height = 30.0f;
8950     statusrect.origin.x = 0;
8951     statusrect.origin.y = ([[self view] frame].size.height / 2) - statusrect.size.height;
8952     status_ = [[[UILabel alloc] initWithFrame:statusrect] autorelease];
8953     [status_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8954     [status_ setText:UCLocalize("EXIT_WHEN_COMPLETE")];
8955     [status_ setFont:[UIFont systemFontOfSize:16.0f]];
8956     [status_ setTextColor:[UIColor whiteColor]];
8957     [status_ setBackgroundColor:[UIColor clearColor]];
8958     [status_ setShadowColor:[UIColor blackColor]];
8959     [status_ setTextAlignment:UITextAlignmentCenter];
8960     [[self view] addSubview:status_];
8961 }
8962
8963 - (void) releaseSubviews {
8964     [spinner_ release];
8965     spinner_ = nil;
8966
8967     [status_ release];
8968     status_ = nil;
8969
8970     [caption_ release];
8971     caption_ = nil;
8972 }
8973
8974 @end
8975 /* }}} */
8976
8977 @interface Cydia : UIApplication <
8978     ConfirmationControllerDelegate,
8979     DatabaseDelegate,
8980     CydiaDelegate,
8981     UINavigationControllerDelegate,
8982     UITabBarControllerDelegate
8983 > {
8984     // XXX: evaluate all fields for _transient
8985
8986     UIWindow *window_;
8987     CYTabBarController *tabbar_;
8988     CYEmulatedLoadingController *emulated_;
8989
8990     NSMutableArray *essential_;
8991     NSMutableArray *broken_;
8992
8993     Database *database_;
8994
8995     NSURL *starturl_;
8996
8997     unsigned locked_;
8998     unsigned activity_;
8999
9000     StashController *stash_;
9001
9002     bool loaded_;
9003 }
9004
9005 - (void) loadData;
9006
9007 @end
9008
9009 @implementation Cydia
9010
9011 - (void) beginUpdate {
9012     [tabbar_ beginUpdate];
9013 }
9014
9015 - (BOOL) updating {
9016     return [tabbar_ updating];
9017 }
9018
9019 - (void) _loaded {
9020     if ([broken_ count] != 0) {
9021         int count = [broken_ count];
9022
9023         UIAlertView *alert = [[[UIAlertView alloc]
9024             initWithTitle:(count == 1 ? UCLocalize("HALFINSTALLED_PACKAGE") : [NSString stringWithFormat:UCLocalize("HALFINSTALLED_PACKAGES"), count])
9025             message:UCLocalize("HALFINSTALLED_PACKAGE_EX")
9026             delegate:self
9027             cancelButtonTitle:UCLocalize("FORCIBLY_CLEAR")
9028             otherButtonTitles:
9029                 UCLocalize("TEMPORARY_IGNORE"),
9030             nil
9031         ] autorelease];
9032
9033         [alert setContext:@"fixhalf"];
9034         [alert setNumberOfRows:2];
9035         [alert show];
9036     } else if (!Ignored_ && [essential_ count] != 0) {
9037         int count = [essential_ count];
9038
9039         UIAlertView *alert = [[[UIAlertView alloc]
9040             initWithTitle:(count == 1 ? UCLocalize("ESSENTIAL_UPGRADE") : [NSString stringWithFormat:UCLocalize("ESSENTIAL_UPGRADES"), count])
9041             message:UCLocalize("ESSENTIAL_UPGRADE_EX")
9042             delegate:self
9043             cancelButtonTitle:UCLocalize("TEMPORARY_IGNORE")
9044             otherButtonTitles:
9045                 UCLocalize("UPGRADE_ESSENTIAL"),
9046                 UCLocalize("COMPLETE_UPGRADE"),
9047             nil
9048         ] autorelease];
9049
9050         [alert setContext:@"upgrade"];
9051         [alert show];
9052     }
9053 }
9054
9055 - (void) _saveConfig {
9056     _trace();
9057     MetaFile_.Sync();
9058     _trace();
9059
9060     if (Changed_) {
9061         NSString *error(nil);
9062
9063         if (NSData *data = [NSPropertyListSerialization dataFromPropertyList:Metadata_ format:NSPropertyListBinaryFormat_v1_0 errorDescription:&error]) {
9064             _trace();
9065             NSError *error(nil);
9066             if (![data writeToFile:@"/var/lib/cydia/metadata.plist" options:NSAtomicWrite error:&error])
9067                 NSLog(@"failure to save metadata data: %@", error);
9068             _trace();
9069
9070             Changed_ = false;
9071         } else {
9072             NSLog(@"failure to serialize metadata: %@", error);
9073         }
9074     }
9075 }
9076
9077 // Navigation controller for the queuing badge.
9078 - (UINavigationController *) queueNavigationController {
9079     NSArray *controllers = [tabbar_ viewControllers];
9080     return [controllers objectAtIndex:3];
9081 }
9082
9083 - (void) unloadData {
9084     [tabbar_ unloadData];
9085 }
9086
9087 - (void) _updateData {
9088     [self _saveConfig];
9089
9090     [self unloadData];
9091
9092     UINavigationController *navigation = [self queueNavigationController];
9093
9094     id queuedelegate = nil;
9095     if ([[navigation viewControllers] count] > 0)
9096         queuedelegate = [[navigation viewControllers] objectAtIndex:0];
9097
9098     [queuedelegate queueStatusDidChange];
9099     [[navigation tabBarItem] setBadgeValue:(Queuing_ ? UCLocalize("Q_D") : nil)];
9100 }
9101
9102 - (void) _refreshIfPossible:(NSDate *)update {
9103     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
9104
9105     bool recently = false;
9106     if (update != nil) {
9107         NSTimeInterval interval([update timeIntervalSinceNow]);
9108         if (interval <= 0 && interval > -(15*60))
9109             recently = true;
9110     }
9111
9112     // Don't automatic refresh if:
9113     //  - We already refreshed recently.
9114     //  - We already auto-refreshed this launch.
9115     //  - Auto-refresh is disabled.
9116     if (recently || loaded_ || ManualRefresh) {
9117         [self performSelectorOnMainThread:@selector(_loaded) withObject:nil waitUntilDone:NO];
9118
9119         // If we are cancelling, we need to make sure it knows it's already loaded.
9120         loaded_ = true;
9121         return;
9122     } else {
9123         // We are going to load, so remember that.
9124         loaded_ = true;
9125     }
9126
9127     SCNetworkReachabilityFlags flags; {
9128         SCNetworkReachabilityRef reachability(SCNetworkReachabilityCreateWithName(NULL, "cydia.saurik.com"));
9129         SCNetworkReachabilityGetFlags(reachability, &flags);
9130         CFRelease(reachability);
9131     }
9132
9133     // XXX: this elaborate mess is what Apple is using to determine this? :(
9134     // XXX: do we care if the user has to intervene? maybe that's ok?
9135     bool reachable(
9136         (flags & kSCNetworkReachabilityFlagsReachable) != 0 && (
9137             (flags & kSCNetworkReachabilityFlagsConnectionRequired) == 0 || (
9138                 (flags & kSCNetworkReachabilityFlagsConnectionOnDemand) != 0 ||
9139                 (flags & kSCNetworkReachabilityFlagsConnectionOnTraffic) != 0
9140             ) && (flags & kSCNetworkReachabilityFlagsInterventionRequired) == 0 ||
9141             (flags & kSCNetworkReachabilityFlagsIsWWAN) != 0
9142         )
9143     );
9144
9145     // If we can reach the server, auto-refresh!
9146     if (reachable)
9147         [tabbar_ performSelectorOnMainThread:@selector(setUpdate:) withObject:update waitUntilDone:NO];
9148
9149     [pool release];
9150 }
9151
9152 - (void) refreshIfPossible {
9153     [NSThread detachNewThreadSelector:@selector(_refreshIfPossible:) toTarget:self withObject:[Metadata_ objectForKey:@"LastUpdate"]];
9154 }
9155
9156 - (void) _reloadDataWithInvocation:(NSInvocation *)invocation {
9157     UIProgressHUD *hud(loaded_ ? [self addProgressHUD] : nil);
9158     [hud setText:UCLocalize("RELOADING_DATA")];
9159
9160     [database_ yieldToSelector:@selector(reloadDataWithInvocation:) withObject:invocation];
9161
9162     if (hud != nil)
9163         [self removeProgressHUD:hud];
9164
9165     size_t changes(0);
9166
9167     [essential_ removeAllObjects];
9168     [broken_ removeAllObjects];
9169
9170     NSArray *packages([database_ packages]);
9171     for (Package *package in packages) {
9172         if ([package half])
9173             [broken_ addObject:package];
9174         if ([package upgradableAndEssential:NO]) {
9175             if ([package essential])
9176                 [essential_ addObject:package];
9177             ++changes;
9178         }
9179     }
9180
9181     NSLog(@"changes:#%u", changes);
9182
9183     UITabBarItem *changesItem = [[[tabbar_ viewControllers] objectAtIndex:2] tabBarItem];
9184     if (changes != 0) {
9185         _trace();
9186         NSString *badge([[NSNumber numberWithInt:changes] stringValue]);
9187         [changesItem setBadgeValue:badge];
9188         [changesItem setAnimatedBadge:([essential_ count] > 0)];
9189         [self setApplicationIconBadgeNumber:changes];
9190     } else {
9191         _trace();
9192         [changesItem setBadgeValue:nil];
9193         [changesItem setAnimatedBadge:NO];
9194         [self setApplicationIconBadgeNumber:0];
9195     }
9196
9197     [self _updateData];
9198
9199     [self refreshIfPossible];
9200 }
9201
9202 - (void) updateData {
9203     [self _updateData];
9204 }
9205
9206 - (void) update_ {
9207     [database_ update];
9208 }
9209
9210 - (void) complete {
9211     @synchronized (self) {
9212         [self _reloadDataWithInvocation:nil];
9213     }
9214 }
9215
9216 - (void) disemulate {
9217     if (emulated_ == nil)
9218         return;
9219
9220     [window_ addSubview:[tabbar_ view]];
9221     [[emulated_ view] removeFromSuperview];
9222     [emulated_ release];
9223     emulated_ = nil;
9224     [window_ setUserInteractionEnabled:YES];
9225 }
9226
9227 - (void) presentModalViewController:(UIViewController *)controller force:(BOOL)force {
9228     UINavigationController *navigation([[[UINavigationController alloc] initWithRootViewController:controller] autorelease]);
9229     if (IsWildcat_)
9230         [navigation setModalPresentationStyle:UIModalPresentationFormSheet];
9231
9232     UIViewController *parent;
9233     if (emulated_ == nil)
9234         parent = tabbar_;
9235     else if (!force)
9236         parent = emulated_;
9237     else {
9238         [self disemulate];
9239         parent = tabbar_;
9240     }
9241
9242     [parent presentModalViewController:navigation animated:YES];
9243 }
9244
9245 - (ProgressController *) invokeNewProgress:(NSInvocation *)invocation forController:(UINavigationController *)navigation withTitle:(NSString *)title {
9246     ProgressController *progress([[[ProgressController alloc] initWithDatabase:database_ delegate:self] autorelease]);
9247
9248     if (navigation != nil)
9249         [navigation pushViewController:progress animated:YES];
9250     else
9251         [self presentModalViewController:progress force:YES];
9252
9253     [progress invoke:invocation withTitle:title];
9254     return progress;
9255 }
9256
9257 - (void) detachNewProgressSelector:(SEL)selector toTarget:(id)target forController:(UINavigationController *)navigation title:(NSString *)title {
9258     [self invokeNewProgress:[NSInvocation invocationWithSelector:selector forTarget:target] forController:navigation withTitle:title];
9259 }
9260
9261 - (void) repairWithInvocation:(NSInvocation *)invocation {
9262     _trace();
9263     [self invokeNewProgress:invocation forController:nil withTitle:@"REPAIRING"];
9264     _trace();
9265 }
9266
9267 - (void) repairWithSelector:(SEL)selector {
9268     [self performSelectorOnMainThread:@selector(repairWithInvocation:) withObject:[NSInvocation invocationWithSelector:selector forTarget:database_] waitUntilDone:YES];
9269 }
9270
9271 - (void) syncData {
9272     [self _saveConfig];
9273
9274     FILE *file(fopen("/etc/apt/sources.list.d/cydia.list", "w"));
9275     _assert(file != NULL);
9276
9277     for (NSString *key in [Sources_ allKeys]) {
9278         NSDictionary *source([Sources_ objectForKey:key]);
9279
9280         fprintf(file, "%s %s %s\n",
9281             [[source objectForKey:@"Type"] UTF8String],
9282             [[source objectForKey:@"URI"] UTF8String],
9283             [[source objectForKey:@"Distribution"] UTF8String]
9284         );
9285     }
9286
9287     fclose(file);
9288
9289     [self detachNewProgressSelector:@selector(update_) toTarget:self forController:nil title:@"UPDATING_SOURCES"];
9290
9291     [self complete];
9292 }
9293
9294 - (void) addTrivialSource:(NSString *)href {
9295     [Sources_ setObject:[NSDictionary dictionaryWithObjectsAndKeys:
9296         @"deb", @"Type",
9297         href, @"URI",
9298         @"./", @"Distribution",
9299     nil] forKey:[NSString stringWithFormat:@"deb:%@:./", href]];
9300
9301     Changed_ = true;
9302 }
9303
9304 - (void) reloadDataWithInvocation:(NSInvocation *)invocation {
9305     @synchronized (self) {
9306         [self _reloadDataWithInvocation:invocation];
9307     }
9308 }
9309
9310 - (void) reloadData {
9311     [self reloadDataWithInvocation:nil];
9312 }
9313
9314 - (void) resolve {
9315     pkgProblemResolver *resolver = [database_ resolver];
9316
9317     resolver->InstallProtect();
9318     if (!resolver->Resolve(true))
9319         _error->Discard();
9320 }
9321
9322 - (bool) perform {
9323     // XXX: this is a really crappy way of doing this.
9324     // like, seriously: this state machine is still broken, and cancelling this here doesn't really /fix/ that.
9325     // for one, the user can still /start/ a reloading data event while they have a queue, which is stupid
9326     // for two, this just means there is a race condition between the refresh completing and the confirmation controller appearing.
9327     if ([tabbar_ updating])
9328         [tabbar_ cancelUpdate];
9329
9330     if (![database_ prepare])
9331         return false;
9332
9333     ConfirmationController *page([[[ConfirmationController alloc] initWithDatabase:database_] autorelease]);
9334     [page setDelegate:self];
9335     UINavigationController *confirm_([[[UINavigationController alloc] initWithRootViewController:page] autorelease]);
9336
9337     if (IsWildcat_)
9338         [confirm_ setModalPresentationStyle:UIModalPresentationFormSheet];
9339     [tabbar_ presentModalViewController:confirm_ animated:YES];
9340
9341     return true;
9342 }
9343
9344 - (void) queue {
9345     @synchronized (self) {
9346         [self perform];
9347     }
9348 }
9349
9350 - (void) clearPackage:(Package *)package {
9351     @synchronized (self) {
9352         [package clear];
9353         [self resolve];
9354         [self perform];
9355     }
9356 }
9357
9358 - (void) installPackages:(NSArray *)packages {
9359     @synchronized (self) {
9360         for (Package *package in packages)
9361             [package install];
9362         [self resolve];
9363         [self perform];
9364     }
9365 }
9366
9367 - (void) installPackage:(Package *)package {
9368     @synchronized (self) {
9369         [package install];
9370         [self resolve];
9371         [self perform];
9372     }
9373 }
9374
9375 - (void) removePackage:(Package *)package {
9376     @synchronized (self) {
9377         [package remove];
9378         [self resolve];
9379         [self perform];
9380     }
9381 }
9382
9383 - (void) distUpgrade {
9384     @synchronized (self) {
9385         if (![database_ upgrade])
9386             return;
9387         [self perform];
9388     }
9389 }
9390
9391 - (void) confirmWithNavigationController:(UINavigationController *)navigation {
9392     Queuing_ = false;
9393     ++locked_;
9394     [self detachNewProgressSelector:@selector(perform) toTarget:database_ forController:navigation title:@"RUNNING"];
9395     --locked_;
9396     [self complete];
9397 }
9398
9399 - (void) showSettings {
9400     [self presentModalViewController:[[[SettingsController alloc] initWithDatabase:database_ delegate:self] autorelease] force:NO];
9401 }
9402
9403 - (void) retainNetworkActivityIndicator {
9404     if (activity_++ == 0)
9405         [self setNetworkActivityIndicatorVisible:YES];
9406
9407 #if TraceLogging
9408     NSLog(@"retainNetworkActivityIndicator->%d", activity_);
9409 #endif
9410 }
9411
9412 - (void) releaseNetworkActivityIndicator {
9413     if (--activity_ == 0)
9414         [self setNetworkActivityIndicatorVisible:NO];
9415
9416 #if TraceLogging
9417     NSLog(@"releaseNetworkActivityIndicator->%d", activity_);
9418 #endif
9419
9420 }
9421
9422 - (void) cancelAndClear:(bool)clear {
9423     @synchronized (self) {
9424         if (clear) {
9425             [database_ clear];
9426             Queuing_ = false;
9427         } else {
9428             Queuing_ = true;
9429         }
9430
9431         [self _updateData];
9432     }
9433 }
9434
9435 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
9436     NSString *context([alert context]);
9437
9438     if ([context isEqualToString:@"conffile"]) {
9439         FILE *input = [database_ input];
9440         if (button == [alert cancelButtonIndex])
9441             fprintf(input, "N\n");
9442         else if (button == [alert firstOtherButtonIndex])
9443             fprintf(input, "Y\n");
9444         fflush(input);
9445
9446         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9447     } else if ([context isEqualToString:@"fixhalf"]) {
9448         if (button == [alert cancelButtonIndex]) {
9449             @synchronized (self) {
9450                 for (Package *broken in broken_) {
9451                     [broken remove];
9452
9453                     NSString *id = [broken id];
9454                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.prerm", id] UTF8String]);
9455                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postrm", id] UTF8String]);
9456                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.preinst", id] UTF8String]);
9457                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postinst", id] UTF8String]);
9458                 }
9459
9460                 [self resolve];
9461                 [self perform];
9462             }
9463         } else if (button == [alert firstOtherButtonIndex]) {
9464             [broken_ removeAllObjects];
9465             [self _loaded];
9466         }
9467
9468         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9469     } else if ([context isEqualToString:@"upgrade"]) {
9470         if (button == [alert firstOtherButtonIndex]) {
9471             @synchronized (self) {
9472                 for (Package *essential in essential_)
9473                     [essential install];
9474
9475                 [self resolve];
9476                 [self perform];
9477             }
9478         } else if (button == [alert firstOtherButtonIndex] + 1) {
9479             [self distUpgrade];
9480         } else if (button == [alert cancelButtonIndex]) {
9481             Ignored_ = YES;
9482         }
9483
9484         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9485     }
9486 }
9487
9488 - (void) system:(NSString *)command { _pooled
9489     _trace();
9490     system([command UTF8String]);
9491     _trace();
9492 }
9493
9494 - (void) applicationWillSuspend {
9495     [database_ clean];
9496     [super applicationWillSuspend];
9497 }
9498
9499 - (BOOL) isSafeToSuspend {
9500     if (locked_ != 0) {
9501 #if !ForRelease
9502         NSLog(@"isSafeToSuspend: locked_ != 0");
9503 #endif
9504         return false;
9505     }
9506
9507     // Use external process status API internally.
9508     // This is probably a really bad idea.
9509     // XXX: what is the point of this? does this solve anything at all?
9510     uint64_t status = 0;
9511     int notify_token;
9512     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
9513         notify_get_state(notify_token, &status);
9514         notify_cancel(notify_token);
9515     }
9516
9517     if (status != 0) {
9518 #if !ForRelease
9519         NSLog(@"isSafeToSuspend: status != 0");
9520 #endif
9521         return false;
9522     }
9523
9524 #if !ForRelease
9525     NSLog(@"isSafeToSuspend: -> true");
9526 #endif
9527     return true;
9528 }
9529
9530 - (void) applicationSuspend:(__GSEvent *)event {
9531     if ([self isSafeToSuspend])
9532         [super applicationSuspend:event];
9533 }
9534
9535 - (void) _animateSuspension:(BOOL)arg0 duration:(double)arg1 startTime:(double)arg2 scale:(float)arg3 {
9536     if ([self isSafeToSuspend])
9537         [super _animateSuspension:arg0 duration:arg1 startTime:arg2 scale:arg3];
9538 }
9539
9540 - (void) _setSuspended:(BOOL)value {
9541     if ([self isSafeToSuspend])
9542         [super _setSuspended:value];
9543 }
9544
9545 - (UIProgressHUD *) addProgressHUD {
9546     UIProgressHUD *hud([[[UIProgressHUD alloc] initWithWindow:window_] autorelease]);
9547     [hud setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
9548
9549     [window_ setUserInteractionEnabled:NO];
9550
9551     UIViewController *target(tabbar_);
9552     if (UIViewController *modal = [target modalViewController])
9553         target = modal;
9554
9555     UIView *view([target view]);
9556     [view addSubview:hud];
9557
9558     [hud show:YES];
9559
9560     ++locked_;
9561     return hud;
9562 }
9563
9564 - (void) removeProgressHUD:(UIProgressHUD *)hud {
9565     --locked_;
9566     [hud show:NO];
9567     [hud removeFromSuperview];
9568     [window_ setUserInteractionEnabled:YES];
9569 }
9570
9571 - (CYViewController *) pageForPackage:(NSString *)name {
9572     return [[[CYPackageController alloc] initWithDatabase:database_ forPackage:name] autorelease];
9573 }
9574
9575 - (CYViewController *) pageForURL:(NSURL *)url forExternal:(BOOL)external {
9576     NSString *scheme([[url scheme] lowercaseString]);
9577     if ([[url absoluteString] length] <= [scheme length] + 3)
9578         return nil;
9579     NSString *path([[url absoluteString] substringFromIndex:[scheme length] + 3]);
9580     NSArray *components([path pathComponents]);
9581
9582     if ([scheme isEqualToString:@"apptapp"] && [components count] > 0 && [[components objectAtIndex:0] isEqualToString:@"package"])
9583         return [self pageForPackage:[components objectAtIndex:1]];
9584
9585     if ([components count] < 1 || ![scheme isEqualToString:@"cydia"])
9586         return nil;
9587
9588     NSString *base([components objectAtIndex:0]);
9589
9590     CYViewController *controller = nil;
9591
9592     if ([base isEqualToString:@"url"]) {
9593         // This kind of URL can contain slashes in the argument, so we can't parse them below.
9594         NSString *destination = [[url absoluteString] substringFromIndex:([scheme length] + [@"://" length] + [base length] + [@"/" length])];
9595         controller = [[[CYBrowserController alloc] initWithURL:[NSURL URLWithString:destination]] autorelease];
9596     } else if (!external && [components count] == 1) {
9597         if ([base isEqualToString:@"manage"]) {
9598             controller = [[[ManageController alloc] init] autorelease];
9599         }
9600
9601         if ([base isEqualToString:@"sources"]) {
9602             controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
9603         }
9604
9605         if ([base isEqualToString:@"home"]) {
9606             controller = [[[HomeController alloc] init] autorelease];
9607         }
9608
9609         if ([base isEqualToString:@"sections"]) {
9610             controller = [[[SectionsController alloc] initWithDatabase:database_] autorelease];
9611         }
9612
9613         if ([base isEqualToString:@"search"]) {
9614             controller = [[[SearchController alloc] initWithDatabase:database_] autorelease];
9615         }
9616
9617         if ([base isEqualToString:@"changes"]) {
9618             controller = [[[ChangesController alloc] initWithDatabase:database_] autorelease];
9619         }
9620
9621         if ([base isEqualToString:@"installed"]) {
9622             controller = [[[InstalledController alloc] initWithDatabase:database_] autorelease];
9623         }
9624     } else if ([components count] == 2) {
9625         NSString *argument = [components objectAtIndex:1];
9626
9627         if ([base isEqualToString:@"package"]) {
9628             controller = [self pageForPackage:argument];
9629         }
9630
9631         if (!external && [base isEqualToString:@"search"]) {
9632             controller = [[[SearchController alloc] initWithDatabase:database_] autorelease];
9633             [(SearchController *)controller setSearchTerm:argument];
9634         }
9635
9636         if (!external && [base isEqualToString:@"sections"]) {
9637             if ([argument isEqualToString:@"all"])
9638                 argument = nil;
9639             controller = [[[SectionController alloc] initWithDatabase:database_ section:argument] autorelease];
9640         }
9641
9642         if (!external && [base isEqualToString:@"sources"]) {
9643             if ([argument isEqualToString:@"add"]) {
9644                 controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
9645                 [(SourcesController *)controller showAddSourcePrompt];
9646             } else {
9647                 Source *source = [database_ sourceWithKey:argument];
9648                 controller = [[[SourceController alloc] initWithDatabase:database_ source:source] autorelease];
9649             }
9650         }
9651
9652         if (!external && [base isEqualToString:@"launch"]) {
9653             [self launchApplicationWithIdentifier:argument suspended:NO];
9654             return nil;
9655         }
9656     } else if (!external && [components count] == 3) {
9657         NSString *arg1 = [components objectAtIndex:1];
9658         NSString *arg2 = [components objectAtIndex:2];
9659
9660         if ([base isEqualToString:@"package"]) {
9661             if ([arg2 isEqualToString:@"settings"]) {
9662                 controller = [[[PackageSettingsController alloc] initWithDatabase:database_ package:arg1] autorelease];
9663             } else if ([arg2 isEqualToString:@"files"]) {
9664                 if (Package *package = [database_ packageWithName:arg1]) {
9665                     controller = [[[FileTable alloc] initWithDatabase:database_] autorelease];
9666                     [(FileTable *)controller setPackage:package];
9667                 }
9668             }
9669         }
9670     }
9671
9672     [controller setDelegate:self];
9673     return controller;
9674 }
9675
9676 - (BOOL) openCydiaURL:(NSURL *)url forExternal:(BOOL)external {
9677     CYViewController *page([self pageForURL:url forExternal:external]);
9678
9679     if (page != nil) {
9680         UINavigationController *nav = [[[UINavigationController alloc] init] autorelease];
9681         [nav setViewControllers:[NSArray arrayWithObject:page]];
9682         [tabbar_ setUnselectedViewController:nav];
9683     }
9684
9685     return page != nil;
9686 }
9687
9688 - (void) applicationOpenURL:(NSURL *)url {
9689     [super applicationOpenURL:url];
9690
9691     if (!loaded_) starturl_ = [url retain];
9692     else [self openCydiaURL:url forExternal:YES];
9693 }
9694
9695 - (void) applicationWillResignActive:(UIApplication *)application {
9696     // Stop refreshing if you get a phone call or lock the device.
9697     if ([tabbar_ updating])
9698         [tabbar_ cancelUpdate];
9699
9700     if ([[self superclass] instancesRespondToSelector:@selector(applicationWillResignActive:)])
9701         [super applicationWillResignActive:application];
9702 }
9703
9704 - (void) applicationWillTerminate:(UIApplication *)application {
9705     Changed_ = true;
9706     [Metadata_ setObject:[tabbar_ navigationURLCollection] forKey:@"InterfaceState"];
9707     [Metadata_ setObject:[NSDate date] forKey:@"LastClosed"];
9708     [Metadata_ setObject:[NSNumber numberWithInt:[tabbar_ selectedIndex]] forKey:@"InterfaceIndex"];
9709
9710     [self _saveConfig];
9711 }
9712
9713 - (void) setConfigurationData:(NSString *)data {
9714     static Pcre conffile_r("^'(.*)' '(.*)' ([01]) ([01])$");
9715
9716     if (!conffile_r(data)) {
9717         lprintf("E:invalid conffile\n");
9718         return;
9719     }
9720
9721     NSString *ofile = conffile_r[1];
9722     //NSString *nfile = conffile_r[2];
9723
9724     UIAlertView *alert = [[[UIAlertView alloc]
9725         initWithTitle:UCLocalize("CONFIGURATION_UPGRADE")
9726         message:[NSString stringWithFormat:@"%@\n\n%@", UCLocalize("CONFIGURATION_UPGRADE_EX"), ofile]
9727         delegate:self
9728         cancelButtonTitle:UCLocalize("KEEP_OLD_COPY")
9729         otherButtonTitles:
9730             UCLocalize("ACCEPT_NEW_COPY"),
9731             // XXX: UCLocalize("SEE_WHAT_CHANGED"),
9732         nil
9733     ] autorelease];
9734
9735     [alert setContext:@"conffile"];
9736     [alert setNumberOfRows:2];
9737     [alert show];
9738 }
9739
9740 - (void) addStashController {
9741     ++locked_;
9742     stash_ = [[StashController alloc] init];
9743     [window_ addSubview:[stash_ view]];
9744 }
9745
9746 - (void) removeStashController {
9747     [[stash_ view] removeFromSuperview];
9748     [stash_ release];
9749     --locked_;
9750 }
9751
9752 - (void) stash {
9753     [self setIdleTimerDisabled:YES];
9754
9755     [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleBlackOpaque];
9756     UpdateExternalStatus(1);
9757     [self yieldToSelector:@selector(system:) withObject:@"/usr/libexec/cydia/free.sh"];
9758     UpdateExternalStatus(0);
9759
9760     [self removeStashController];
9761
9762     if (ExecFork() == 0) {
9763         execlp("launchctl", "launchctl", "stop", "com.apple.SpringBoard", NULL);
9764         perror("launchctl stop");
9765     }
9766 }
9767
9768 - (void) setupViewControllers {
9769     tabbar_ = [[CYTabBarController alloc] initWithDatabase:database_];
9770
9771     NSMutableArray *items([NSMutableArray arrayWithObjects:
9772         [[[UITabBarItem alloc] initWithTitle:@"Cydia" image:[UIImage applicationImageNamed:@"home.png"] tag:0] autorelease],
9773         [[[UITabBarItem alloc] initWithTitle:UCLocalize("SECTIONS") image:[UIImage applicationImageNamed:@"install.png"] tag:0] autorelease],
9774         [[[UITabBarItem alloc] initWithTitle:UCLocalize("CHANGES") image:[UIImage applicationImageNamed:@"changes.png"] tag:0] autorelease],
9775         [[[UITabBarItem alloc] initWithTitle:UCLocalize("SEARCH") image:[UIImage applicationImageNamed:@"search.png"] tag:0] autorelease],
9776     nil]);
9777
9778     if (IsWildcat_) {
9779         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("SOURCES") image:[UIImage applicationImageNamed:@"source.png"] tag:0] autorelease] atIndex:3];
9780         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("INSTALLED") image:[UIImage applicationImageNamed:@"manage.png"] tag:0] autorelease] atIndex:3];
9781     } else {
9782         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("MANAGE") image:[UIImage applicationImageNamed:@"manage.png"] tag:0] autorelease] atIndex:3];
9783     }
9784
9785     NSMutableArray *controllers([NSMutableArray array]);
9786     for (UITabBarItem *item in items) {
9787         UINavigationController *controller([[[UINavigationController alloc] init] autorelease]);
9788         [controller setTabBarItem:item];
9789         [controllers addObject:controller];
9790     }
9791     [tabbar_ setViewControllers:controllers];
9792
9793     [tabbar_ setUpdateDelegate:self];
9794 }
9795
9796 - (void) applicationDidFinishLaunching:(id)unused {
9797 _trace();
9798     if ([self respondsToSelector:@selector(setApplicationSupportsShakeToEdit:)])
9799         [self setApplicationSupportsShakeToEdit:NO];
9800
9801     @synchronized (HostConfig_) {
9802         [BridgedHosts_ addObject:[[NSURL URLWithString:CydiaURL(@"")] host]];
9803     }
9804
9805     [NSURLCache setSharedURLCache:[[[SDURLCache alloc]
9806         initWithMemoryCapacity:524288
9807         diskCapacity:10485760
9808         diskPath:[NSString stringWithFormat:@"%@/Library/Caches/com.saurik.Cydia/SDURLCache", @"/var/root"]
9809     ] autorelease]];
9810
9811     [CYBrowserController _initialize];
9812
9813     [NSURLProtocol registerClass:[CydiaURLProtocol class]];
9814
9815     Font12_ = [[UIFont systemFontOfSize:12] retain];
9816     Font12Bold_ = [[UIFont boldSystemFontOfSize:12] retain];
9817     Font14_ = [[UIFont systemFontOfSize:14] retain];
9818     Font18Bold_ = [[UIFont boldSystemFontOfSize:18] retain];
9819     Font22Bold_ = [[UIFont boldSystemFontOfSize:22] retain];
9820
9821     essential_ = [[NSMutableArray alloc] initWithCapacity:4];
9822     broken_ = [[NSMutableArray alloc] initWithCapacity:4];
9823
9824     // XXX: I really need this thing... like, seriously... I'm sorry
9825     [[[CYBrowserController alloc] initWithURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/appcache/", UI_]]] reloadData];
9826
9827     window_ = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
9828     [window_ orderFront:self];
9829     [window_ makeKey:self];
9830     [window_ setHidden:NO];
9831
9832     if (
9833         readlink("/Applications", NULL, 0) == -1 && errno == EINVAL ||
9834         readlink("/Library/Ringtones", NULL, 0) == -1 && errno == EINVAL ||
9835         readlink("/Library/Wallpaper", NULL, 0) == -1 && errno == EINVAL ||
9836         //readlink("/usr/bin", NULL, 0) == -1 && errno == EINVAL ||
9837         readlink("/usr/include", NULL, 0) == -1 && errno == EINVAL ||
9838         readlink("/usr/lib/pam", NULL, 0) == -1 && errno == EINVAL ||
9839         readlink("/usr/libexec", NULL, 0) == -1 && errno == EINVAL ||
9840         readlink("/usr/share", NULL, 0) == -1 && errno == EINVAL ||
9841         //readlink("/var/lib", NULL, 0) == -1 && errno == EINVAL ||
9842         false
9843     ) {
9844         [self addStashController];
9845         // XXX: this would be much cleaner as a yieldToSelector:
9846         // that way the removeStashController could happen right here inline
9847         // we also could no longer require the useless stash_ field anymore
9848         [self performSelector:@selector(stash) withObject:nil afterDelay:0];
9849         return;
9850     }
9851
9852     database_ = [Database sharedInstance];
9853     [database_ setDelegate:self];
9854
9855     [window_ setUserInteractionEnabled:NO];
9856     [self setupViewControllers];
9857
9858     emulated_ = [[CYEmulatedLoadingController alloc] initWithDatabase:database_];
9859     [window_ addSubview:[emulated_ view]];
9860
9861     [self performSelector:@selector(loadData) withObject:nil afterDelay:0];
9862 _trace();
9863 }
9864
9865 - (NSArray *) defaultStartPages {
9866     NSMutableArray *standard = [NSMutableArray array];
9867     [standard addObject:[NSArray arrayWithObject:@"cydia://home"]];
9868     [standard addObject:[NSArray arrayWithObject:@"cydia://sections"]];
9869     [standard addObject:[NSArray arrayWithObject:@"cydia://changes"]];
9870     if (!IsWildcat_) {
9871         [standard addObject:[NSArray arrayWithObject:@"cydia://manage"]];
9872     } else {
9873         [standard addObject:[NSArray arrayWithObject:@"cydia://installed"]];
9874         [standard addObject:[NSArray arrayWithObject:@"cydia://sources"]];
9875     }
9876     [standard addObject:[NSArray arrayWithObject:@"cydia://search"]];
9877     return standard;
9878 }
9879
9880 - (void) loadData {
9881 _trace();
9882     if (Role_ == nil) {
9883         [window_ setUserInteractionEnabled:YES];
9884         [self showSettings];
9885         return;
9886     } else {
9887         if ([emulated_ modalViewController] != nil)
9888             [emulated_ dismissModalViewControllerAnimated:YES];
9889         [window_ setUserInteractionEnabled:NO];
9890     }
9891
9892     [self reloadData];
9893     PrintTimes();
9894
9895     [self disemulate];
9896
9897     int savedIndex = [[Metadata_ objectForKey:@"InterfaceIndex"] intValue];
9898     NSArray *saved = [[Metadata_ objectForKey:@"InterfaceState"] mutableCopy];
9899     int standardIndex = 0;
9900     NSArray *standard = [self defaultStartPages];
9901
9902     BOOL valid = YES;
9903
9904     if (saved == nil)
9905         valid = NO;
9906
9907     NSDate *closed = [Metadata_ objectForKey:@"LastClosed"];
9908     if (valid && closed != nil) {
9909         NSTimeInterval interval([closed timeIntervalSinceNow]);
9910         // XXX: Is 15 minutes the optimal time here?
9911         if (interval > 0 && interval <= -(15*60))
9912             valid = NO;
9913     }
9914
9915     if (valid && [saved count] != [standard count])
9916         valid = NO;
9917
9918     if (valid) {
9919         for (unsigned int i = 0; i < [standard count]; i++) {
9920             NSArray *std = [standard objectAtIndex:i], *sav = [saved objectAtIndex:i];
9921             // XXX: The "hasPrefix" sanity check here could be, in theory, fooled,
9922             //      but it's good enough for now.
9923             if ([sav count] == 0 || ![[sav objectAtIndex:0] hasPrefix:[std objectAtIndex:0]]) {
9924                 valid = NO;
9925                 break;
9926             }
9927         }
9928     }
9929
9930     NSArray *items = nil;
9931     if (valid) {
9932         [tabbar_ setSelectedIndex:savedIndex];
9933         items = saved;
9934     } else {
9935         [tabbar_ setSelectedIndex:standardIndex];
9936         items = standard;
9937     }
9938
9939     for (unsigned int tab = 0; tab < [[tabbar_ viewControllers] count]; tab++) {
9940         NSArray *stack = [items objectAtIndex:tab];
9941         UINavigationController *navigation = [[tabbar_ viewControllers] objectAtIndex:tab];
9942         NSMutableArray *current = [NSMutableArray array];
9943
9944         for (unsigned int nav = 0; nav < [stack count]; nav++) {
9945             NSString *addr = [stack objectAtIndex:nav];
9946             NSURL *url = [NSURL URLWithString:addr];
9947             CYViewController *page = [self pageForURL:url forExternal:NO];
9948             if (page != nil)
9949                 [current addObject:page];
9950         }
9951
9952         [navigation setViewControllers:current];
9953     }
9954
9955     // (Try to) show the startup URL.
9956     if (starturl_ != nil) {
9957         [self openCydiaURL:starturl_ forExternal:NO];
9958         [starturl_ release];
9959         starturl_ = nil;
9960     }
9961 }
9962
9963 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item {
9964     if (item != nil && IsWildcat_) {
9965         [sheet showFromBarButtonItem:item animated:YES];
9966     } else {
9967         [sheet showInView:window_];
9968     }
9969 }
9970
9971 - (void) addProgressEvent:(CydiaProgressEvent *)event forTask:(NSString *)task {
9972     id<ProgressDelegate> progress([database_ progressDelegate] ?: [self invokeNewProgress:nil forController:nil withTitle:task]);
9973     [progress setTitle:task];
9974     [progress addProgressEvent:event];
9975 }
9976
9977 - (void) addProgressEventForTask:(NSArray *)data {
9978     CydiaProgressEvent *event([data objectAtIndex:0]);
9979     NSString *task([data count] < 2 ? nil : [data objectAtIndex:1]);
9980     [self addProgressEvent:event forTask:task];
9981 }
9982
9983 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task {
9984     [self performSelectorOnMainThread:@selector(addProgressEventForTask:) withObject:[NSArray arrayWithObjects:event, task, nil] waitUntilDone:YES];
9985 }
9986
9987 @end
9988
9989 /*IMP alloc_;
9990 id Alloc_(id self, SEL selector) {
9991     id object = alloc_(self, selector);
9992     lprintf("[%s]A-%p\n", self->isa->name, object);
9993     return object;
9994 }*/
9995
9996 /*IMP dealloc_;
9997 id Dealloc_(id self, SEL selector) {
9998     id object = dealloc_(self, selector);
9999     lprintf("[%s]D-%p\n", self->isa->name, object);
10000     return object;
10001 }*/
10002
10003 Class $WebDefaultUIKitDelegate;
10004
10005 MSHook(void, UIWebDocumentView$_setUIKitDelegate$, UIWebDocumentView *self, SEL _cmd, id delegate) {
10006     if (delegate == nil && $WebDefaultUIKitDelegate != nil)
10007         delegate = [$WebDefaultUIKitDelegate sharedUIKitDelegate];
10008     return _UIWebDocumentView$_setUIKitDelegate$(self, _cmd, delegate);
10009 }
10010
10011 static NSSet *MobilizedFiles_;
10012
10013 static NSURL *MobilizeURL(NSURL *url) {
10014     NSString *path([url path]);
10015     if ([path hasPrefix:@"/var/root/"]) {
10016         NSString *file([path substringFromIndex:10]);
10017         if ([MobilizedFiles_ containsObject:file])
10018             url = [NSURL fileURLWithPath:[@"/var/mobile/" stringByAppendingString:file] isDirectory:NO];
10019     }
10020
10021     return url;
10022 }
10023
10024 Class $CFXPreferencesPropertyListSource;
10025 @class CFXPreferencesPropertyListSource;
10026
10027 MSHook(BOOL, CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync, CFXPreferencesPropertyListSource *self, SEL _cmd) {
10028     NSURL *&url(MSHookIvar<NSURL *>(self, "_url")), *old(url);
10029     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
10030     url = MobilizeURL(url);
10031     BOOL value(_CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync(self, _cmd));
10032     //NSLog(@"%@ %s", [url absoluteString], value ? "YES" : "NO");
10033     url = old;
10034     [pool release];
10035     return value;
10036 }
10037
10038 MSHook(void *, CFXPreferencesPropertyListSource$createPlistFromDisk, CFXPreferencesPropertyListSource *self, SEL _cmd) {
10039     NSURL *&url(MSHookIvar<NSURL *>(self, "_url")), *old(url);
10040     NSAutoreleasePool *pool([[NSAutoreleasePool alloc] init]);
10041     url = MobilizeURL(url);
10042     void *value(_CFXPreferencesPropertyListSource$createPlistFromDisk(self, _cmd));
10043     //NSLog(@"%@ %@", [url absoluteString], value);
10044     url = old;
10045     [pool release];
10046     return value;
10047 }
10048
10049 Class $NSURLConnection;
10050
10051 MSHook(id, NSURLConnection$init$, NSURLConnection *self, SEL _cmd, NSURLRequest *request, id delegate, BOOL usesCache, int64_t maxContentLength, BOOL startImmediately, NSDictionary *connectionProperties) {
10052     NSMutableURLRequest *copy([request mutableCopy]);
10053
10054     NSURL *url([copy URL]);
10055     NSString *host([url host]);
10056     NSString *scheme([[url scheme] lowercaseString]);
10057
10058     NSString *compound([NSString stringWithFormat:@"%@:%@", scheme, host]);
10059
10060     @synchronized (HostConfig_) {
10061         if ([copy respondsToSelector:@selector(setHTTPShouldUsePipelining:)])
10062             if ([PipelinedHosts_ containsObject:host] || [PipelinedHosts_ containsObject:compound])
10063                 [copy setHTTPShouldUsePipelining:YES];
10064     }
10065
10066     if ((self = _NSURLConnection$init$(self, _cmd, copy, delegate, usesCache, maxContentLength, startImmediately, connectionProperties)) != nil) {
10067     } return self;
10068 }
10069
10070 int main(int argc, char *argv[]) { _pooled
10071     _trace();
10072
10073     UpdateExternalStatus(0);
10074
10075     if (Class $UIDevice = objc_getClass("UIDevice")) {
10076         UIDevice *device([$UIDevice currentDevice]);
10077         IsWildcat_ = [device respondsToSelector:@selector(isWildcat)] && [device isWildcat];
10078     } else
10079         IsWildcat_ = false;
10080
10081     UIScreen *screen([UIScreen mainScreen]);
10082     if ([screen respondsToSelector:@selector(scale)])
10083         ScreenScale_ = [screen scale];
10084     else
10085         ScreenScale_ = 1;
10086
10087     UIDevice *device([UIDevice currentDevice]);
10088     if (![device respondsToSelector:@selector(userInterfaceIdiom)])
10089         Idiom_ = @"iphone";
10090     else {
10091         UIUserInterfaceIdiom idiom([device userInterfaceIdiom]);
10092         if (idiom == UIUserInterfaceIdiomPhone)
10093             Idiom_ = @"iphone";
10094         else if (idiom == UIUserInterfaceIdiomPad)
10095             Idiom_ = @"ipad";
10096         else
10097             NSLog(@"unknown UIUserInterfaceIdiom!");
10098     }
10099
10100     SessionData_ = [[NSMutableDictionary alloc] initWithCapacity:4];
10101
10102     HostConfig_ = [[NSObject alloc] init];
10103     @synchronized (HostConfig_) {
10104         BridgedHosts_ = [NSMutableSet setWithCapacity:4];
10105         PipelinedHosts_ = [NSMutableSet setWithCapacity:4];
10106     }
10107
10108     UI_ = CydiaURL([NSString stringWithFormat:@"ui/ios~%@", Idiom_]);
10109
10110     PackageName = reinterpret_cast<CYString &(*)(Package *, SEL)>(method_getImplementation(class_getInstanceMethod([Package class], @selector(cyname))));
10111
10112     MobilizedFiles_ = [NSMutableSet setWithObjects:
10113         @"Library/Preferences/com.apple.Accessibility.plist",
10114         @"Library/Preferences/com.apple.preferences.sounds.plist",
10115     nil];
10116
10117     /* Library Hacks {{{ */
10118     class_addMethod(objc_getClass("DOMNodeList"), @selector(countByEnumeratingWithState:objects:count:), (IMP) &DOMNodeList$countByEnumeratingWithState$objects$count$, "I20@0:4^{NSFastEnumerationState}8^@12I16");
10119
10120     $CFXPreferencesPropertyListSource = objc_getClass("CFXPreferencesPropertyListSource");
10121
10122     Method CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync(class_getInstanceMethod($CFXPreferencesPropertyListSource, @selector(_backingPlistChangedSinceLastSync)));
10123     if (CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync != NULL) {
10124         _CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync = reinterpret_cast<BOOL (*)(CFXPreferencesPropertyListSource *, SEL)>(method_getImplementation(CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync));
10125         method_setImplementation(CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync, reinterpret_cast<IMP>(&$CFXPreferencesPropertyListSource$_backingPlistChangedSinceLastSync));
10126     }
10127
10128     Method CFXPreferencesPropertyListSource$createPlistFromDisk(class_getInstanceMethod($CFXPreferencesPropertyListSource, @selector(createPlistFromDisk)));
10129     if (CFXPreferencesPropertyListSource$createPlistFromDisk != NULL) {
10130         _CFXPreferencesPropertyListSource$createPlistFromDisk = reinterpret_cast<void *(*)(CFXPreferencesPropertyListSource *, SEL)>(method_getImplementation(CFXPreferencesPropertyListSource$createPlistFromDisk));
10131         method_setImplementation(CFXPreferencesPropertyListSource$createPlistFromDisk, reinterpret_cast<IMP>(&$CFXPreferencesPropertyListSource$createPlistFromDisk));
10132     }
10133
10134     $WebDefaultUIKitDelegate = objc_getClass("WebDefaultUIKitDelegate");
10135     Method UIWebDocumentView$_setUIKitDelegate$(class_getInstanceMethod([WebView class], @selector(_setUIKitDelegate:)));
10136     if (UIWebDocumentView$_setUIKitDelegate$ != NULL) {
10137         _UIWebDocumentView$_setUIKitDelegate$ = reinterpret_cast<void (*)(UIWebDocumentView *, SEL, id)>(method_getImplementation(UIWebDocumentView$_setUIKitDelegate$));
10138         method_setImplementation(UIWebDocumentView$_setUIKitDelegate$, reinterpret_cast<IMP>(&$UIWebDocumentView$_setUIKitDelegate$));
10139     }
10140
10141     $NSURLConnection = objc_getClass("NSURLConnection");
10142     Method NSURLConnection$init$(class_getInstanceMethod($NSURLConnection, @selector(_initWithRequest:delegate:usesCache:maxContentLength:startImmediately:connectionProperties:)));
10143     if (NSURLConnection$init$ != NULL) {
10144         _NSURLConnection$init$ = reinterpret_cast<id (*)(NSURLConnection *, SEL, NSURLRequest *, id, BOOL, int64_t, BOOL, NSDictionary *)>(method_getImplementation(NSURLConnection$init$));
10145         method_setImplementation(NSURLConnection$init$, reinterpret_cast<IMP>(&$NSURLConnection$init$));
10146     }
10147     /* }}} */
10148     /* Set Locale {{{ */
10149     Locale_ = CFLocaleCopyCurrent();
10150     Languages_ = [NSLocale preferredLanguages];
10151
10152     //CFStringRef locale(CFLocaleGetIdentifier(Locale_));
10153     //NSLog(@"%@", [Languages_ description]);
10154
10155     const char *lang;
10156     if (Locale_ != NULL)
10157         lang = [(NSString *) CFLocaleGetIdentifier(Locale_) UTF8String];
10158     else if (Languages_ != nil && [Languages_ count] != 0)
10159         lang = [[Languages_ objectAtIndex:0] UTF8String];
10160     else
10161         // XXX: consider just setting to C and then falling through?
10162         lang = NULL;
10163
10164     if (lang != NULL) {
10165         Pcre pattern("^([a-z][a-z])(?:-[A-Za-z]*)?(_[A-Z][A-Z])?$");
10166         lang = !pattern(lang) ? NULL : [pattern->*@"%1$@%2$@" UTF8String];
10167     }
10168
10169     NSLog(@"Setting Language: %s", lang);
10170
10171     if (lang != NULL) {
10172         setenv("LANG", lang, true);
10173         std::setlocale(LC_ALL, lang);
10174     }
10175     /* }}} */
10176
10177     apr_app_initialize(&argc, const_cast<const char * const **>(&argv), NULL);
10178
10179     /* Parse Arguments {{{ */
10180     bool substrate(false);
10181
10182     if (argc != 0) {
10183         char **args(argv);
10184         int arge(1);
10185
10186         for (int argi(1); argi != argc; ++argi)
10187             if (strcmp(argv[argi], "--") == 0) {
10188                 arge = argi;
10189                 argv[argi] = argv[0];
10190                 argv += argi;
10191                 argc -= argi;
10192                 break;
10193             }
10194
10195         for (int argi(1); argi != arge; ++argi)
10196             if (strcmp(args[argi], "--substrate") == 0)
10197                 substrate = true;
10198             else
10199                 fprintf(stderr, "unknown argument: %s\n", args[argi]);
10200     }
10201     /* }}} */
10202
10203     App_ = [[NSBundle mainBundle] bundlePath];
10204     Advanced_ = YES;
10205
10206     setuid(0);
10207     setgid(0);
10208
10209     /*Method alloc = class_getClassMethod([NSObject class], @selector(alloc));
10210     alloc_ = alloc->method_imp;
10211     alloc->method_imp = (IMP) &Alloc_;*/
10212
10213     /*Method dealloc = class_getClassMethod([NSObject class], @selector(dealloc));
10214     dealloc_ = dealloc->method_imp;
10215     dealloc->method_imp = (IMP) &Dealloc_;*/
10216
10217     /* System Information {{{ */
10218     size_t size;
10219
10220     int maxproc;
10221     size = sizeof(maxproc);
10222     if (sysctlbyname("kern.maxproc", &maxproc, &size, NULL, 0) == -1)
10223         perror("sysctlbyname(\"kern.maxproc\", ?)");
10224     else if (maxproc < 64) {
10225         maxproc = 64;
10226         if (sysctlbyname("kern.maxproc", NULL, NULL, &maxproc, sizeof(maxproc)) == -1)
10227             perror("sysctlbyname(\"kern.maxproc\", #)");
10228     }
10229
10230     sysctlbyname("kern.osversion", NULL, &size, NULL, 0);
10231     char *osversion = new char[size];
10232     if (sysctlbyname("kern.osversion", osversion, &size, NULL, 0) == -1)
10233         perror("sysctlbyname(\"kern.osversion\", ?)");
10234     else
10235         System_ = [NSString stringWithUTF8String:osversion];
10236
10237     sysctlbyname("hw.machine", NULL, &size, NULL, 0);
10238     char *machine = new char[size];
10239     if (sysctlbyname("hw.machine", machine, &size, NULL, 0) == -1)
10240         perror("sysctlbyname(\"hw.machine\", ?)");
10241     else
10242         Machine_ = machine;
10243
10244     if (CFMutableDictionaryRef dict = IOServiceMatching("IOPlatformExpertDevice")) {
10245         if (io_service_t service = IOServiceGetMatchingService(kIOMasterPortDefault, dict)) {
10246             if (CFTypeRef serial = IORegistryEntryCreateCFProperty(service, CFSTR(kIOPlatformSerialNumberKey), kCFAllocatorDefault, 0)) {
10247                 SerialNumber_ = [NSString stringWithString:(NSString *)serial];
10248                 CFRelease(serial);
10249             }
10250
10251             if (CFTypeRef ecid = IORegistryEntrySearchCFProperty(service, kIODeviceTreePlane, CFSTR("unique-chip-id"), kCFAllocatorDefault, kIORegistryIterateRecursively)) {
10252                 NSData *data((NSData *) ecid);
10253                 size_t length([data length]);
10254                 uint8_t bytes[length];
10255                 [data getBytes:bytes];
10256                 char string[length * 2 + 1];
10257                 for (size_t i(0); i != length; ++i)
10258                     sprintf(string + i * 2, "%.2X", bytes[length - i - 1]);
10259                 ChipID_ = [NSString stringWithUTF8String:string];
10260                 CFRelease(ecid);
10261             }
10262
10263             IOObjectRelease(service);
10264         }
10265     }
10266
10267     UniqueID_ = [[UIDevice currentDevice] uniqueIdentifier];
10268
10269     CFStringRef (*$CTSIMSupportCopyMobileSubscriberCountryCode)(CFAllocatorRef);
10270     $CTSIMSupportCopyMobileSubscriberCountryCode = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberCountryCode"));
10271     CFStringRef mcc($CTSIMSupportCopyMobileSubscriberCountryCode == NULL ? NULL : (*$CTSIMSupportCopyMobileSubscriberCountryCode)(kCFAllocatorDefault));
10272
10273     CFStringRef (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(CFAllocatorRef);
10274     $CTSIMSupportCopyMobileSubscriberNetworkCode = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberCountryCode"));
10275     CFStringRef mnc($CTSIMSupportCopyMobileSubscriberNetworkCode == NULL ? NULL : (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(kCFAllocatorDefault));
10276
10277     if (mcc != NULL && mnc != NULL)
10278         PLMN_ = [NSString stringWithFormat:@"%@%@", mcc, mnc];
10279
10280     if (mnc != NULL)
10281         CFRelease(mnc);
10282     if (mcc != NULL)
10283         CFRelease(mcc);
10284
10285     if (NSDictionary *system = [NSDictionary dictionaryWithContentsOfFile:@"/System/Library/CoreServices/SystemVersion.plist"])
10286         Build_ = [system objectForKey:@"ProductBuildVersion"];
10287     if (NSDictionary *info = [NSDictionary dictionaryWithContentsOfFile:@"/Applications/MobileSafari.app/Info.plist"]) {
10288         Product_ = [info objectForKey:@"SafariProductVersion"];
10289         Safari_ = [info objectForKey:@"CFBundleVersion"];
10290     }
10291     /* }}} */
10292     /* Load Database {{{ */
10293     _trace();
10294     Metadata_ = [[[NSMutableDictionary alloc] initWithContentsOfFile:@"/var/lib/cydia/metadata.plist"] autorelease];
10295     _trace();
10296     SectionMap_ = [[[NSDictionary alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Sections" ofType:@"plist"]] autorelease];
10297
10298     if (Metadata_ == NULL)
10299         Metadata_ = [NSMutableDictionary dictionaryWithCapacity:2];
10300     else {
10301         Settings_ = [Metadata_ objectForKey:@"Settings"];
10302
10303         Packages_ = [Metadata_ objectForKey:@"Packages"];
10304         Sections_ = [Metadata_ objectForKey:@"Sections"];
10305         Sources_ = [Metadata_ objectForKey:@"Sources"];
10306
10307         Token_ = [Metadata_ objectForKey:@"Token"];
10308     }
10309
10310     if (Settings_ != nil)
10311         Role_ = [Settings_ objectForKey:@"Role"];
10312
10313     if (Sections_ == nil) {
10314         Sections_ = [[[NSMutableDictionary alloc] initWithCapacity:32] autorelease];
10315         [Metadata_ setObject:Sections_ forKey:@"Sections"];
10316     }
10317
10318     if (Sources_ == nil) {
10319         Sources_ = [[[NSMutableDictionary alloc] initWithCapacity:0] autorelease];
10320         [Metadata_ setObject:Sources_ forKey:@"Sources"];
10321     }
10322     /* }}} */
10323
10324     _trace();
10325     MetaFile_.Open("/var/lib/cydia/metadata.cb0");
10326     _trace();
10327
10328     if (Packages_ != nil) {
10329         bool fail(false);
10330         CFDictionaryApplyFunction((CFDictionaryRef) Packages_, &PackageImport, &fail);
10331         _trace();
10332
10333         if (!fail) {
10334             [Metadata_ removeObjectForKey:@"Packages"];
10335             Packages_ = nil;
10336             Changed_ = true;
10337         }
10338     }
10339
10340     Finishes_ = [NSArray arrayWithObjects:@"return", @"reopen", @"restart", @"reload", @"reboot", nil];
10341
10342 #define MobileSubstrate_(name) \
10343     if (substrate && access("/Library/MobileSubstrate/DynamicLibraries/" #name ".dylib", F_OK) == 0) { \
10344         void *handle(dlopen("/Library/MobileSubstrate/DynamicLibraries/" #name ".dylib", RTLD_LAZY | RTLD_GLOBAL)); \
10345         if (handle == NULL) \
10346             NSLog(@"%s", dlerror()); \
10347     }
10348
10349     MobileSubstrate_(Activator)
10350     MobileSubstrate_(libstatusbar)
10351     MobileSubstrate_(SimulatedKeyEvents)
10352     MobileSubstrate_(WinterBoard)
10353
10354     /*if (substrate && access("/Library/MobileSubstrate/MobileSubstrate.dylib", F_OK) == 0)
10355         dlopen("/Library/MobileSubstrate/MobileSubstrate.dylib", RTLD_LAZY | RTLD_GLOBAL);*/
10356
10357     int version([[NSString stringWithContentsOfFile:@"/var/lib/cydia/firmware.ver"] intValue]);
10358
10359     if (access("/tmp/.cydia.fw", F_OK) == 0) {
10360         unlink("/tmp/.cydia.fw");
10361         goto firmware;
10362     } else if (access("/User", F_OK) != 0 || version < 4) {
10363       firmware:
10364         _trace();
10365         system("/usr/libexec/cydia/firmware.sh");
10366         _trace();
10367     }
10368
10369     _assert([[NSFileManager defaultManager]
10370         createDirectoryAtPath:@"/var/cache/apt/archives/partial"
10371         withIntermediateDirectories:YES
10372         attributes:nil
10373         error:NULL
10374     ]);
10375
10376     if (access("/tmp/cydia.chk", F_OK) == 0) {
10377         if (unlink("/var/cache/apt/pkgcache.bin") == -1)
10378             _assert(errno == ENOENT);
10379         if (unlink("/var/cache/apt/srcpkgcache.bin") == -1)
10380             _assert(errno == ENOENT);
10381     }
10382
10383     /* APT Initialization {{{ */
10384     _assert(pkgInitConfig(*_config));
10385     _assert(pkgInitSystem(*_config, _system));
10386
10387     if (lang != NULL)
10388         _config->Set("APT::Acquire::Translation", lang);
10389
10390     // XXX: this timeout might be important :(
10391     //_config->Set("Acquire::http::Timeout", 15);
10392
10393     _config->Set("Acquire::http::MaxParallel", 3);
10394     /* }}} */
10395     /* Color Choices {{{ */
10396     space_ = CGColorSpaceCreateDeviceRGB();
10397
10398     Blue_.Set(space_, 0.2, 0.2, 1.0, 1.0);
10399     Blueish_.Set(space_, 0x19/255.f, 0x32/255.f, 0x50/255.f, 1.0);
10400     Black_.Set(space_, 0.0, 0.0, 0.0, 1.0);
10401     Off_.Set(space_, 0.9, 0.9, 0.9, 1.0);
10402     White_.Set(space_, 1.0, 1.0, 1.0, 1.0);
10403     Gray_.Set(space_, 0.4, 0.4, 0.4, 1.0);
10404     Green_.Set(space_, 0.0, 0.5, 0.0, 1.0);
10405     Purple_.Set(space_, 0.0, 0.0, 0.7, 1.0);
10406     Purplish_.Set(space_, 0.4, 0.4, 0.8, 1.0);
10407
10408     InstallingColor_ = [UIColor colorWithRed:0.88f green:1.00f blue:0.88f alpha:1.00f];
10409     RemovingColor_ = [UIColor colorWithRed:1.00f green:0.88f blue:0.88f alpha:1.00f];
10410     /* }}}*/
10411     /* UIKit Configuration {{{ */
10412     void (*$GSFontSetUseLegacyFontMetrics)(BOOL)(reinterpret_cast<void (*)(BOOL)>(dlsym(RTLD_DEFAULT, "GSFontSetUseLegacyFontMetrics")));
10413     if ($GSFontSetUseLegacyFontMetrics != NULL)
10414         $GSFontSetUseLegacyFontMetrics(YES);
10415
10416     // XXX: I have a feeling this was important
10417     //UIKeyboardDisableAutomaticAppearance();
10418     /* }}} */
10419
10420     Colon_ = UCLocalize("COLON_DELIMITED");
10421     Elision_ = UCLocalize("ELISION");
10422     Error_ = UCLocalize("ERROR");
10423     Warning_ = UCLocalize("WARNING");
10424
10425     _trace();
10426     int value(UIApplicationMain(argc, argv, @"Cydia", @"Cydia"));
10427
10428     CGColorSpaceRelease(space_);
10429     CFRelease(Locale_);
10430
10431     return value;
10432 }