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 #include "Version.h"
 130 /* }}} */
 131
 132 /* Profiler {{{ */
 133 struct timeval _ltv;
 134 bool _itv;
 135
 136 #define _timestamp ({ \
 137     struct timeval tv; \
 138     gettimeofday(&tv, NULL); \
 139     tv.tv_sec * 1000000 + tv.tv_usec; \
 140 })
 141
 142 typedef std::vector<class ProfileTime *> TimeList;
 143 TimeList times_;
 144
 145 class ProfileTime {
 146   private:
 147     const char *name_;
 148     uint64_t total_;
 149     uint64_t count_;
 150
 151   public:
 152     ProfileTime(const char *name) :
 153         name_(name),
 154         total_(0)
 155     {
 156         times_.push_back(this);
 157     }
 158
 159     void AddTime(uint64_t time) {
 160         total_ += time;
 161         ++count_;
 162     }
 163
 164     void Print() {
 165         if (total_ != 0)
 166             std::cerr << std::setw(5) << count_ << ", " << std::setw(7) << total_ << " : " << name_ << std::endl;
 167         total_ = 0;
 168         count_ = 0;
 169     }
 170 };
 171
 172 class ProfileTimer {
 173   private:
 174     ProfileTime &time_;
 175     uint64_t start_;
 176
 177   public:
 178     ProfileTimer(ProfileTime &time) :
 179         time_(time),
 180         start_(_timestamp)
 181     {
 182     }
 183
 184     ~ProfileTimer() {
 185         time_.AddTime(_timestamp - start_);
 186     }
 187 };
 188
 189 void PrintTimes() {
 190     for (TimeList::const_iterator i(times_.begin()); i != times_.end(); ++i)
 191         (*i)->Print();
 192     std::cerr << "========" << std::endl;
 193 }
 194
 195 #define _profile(name) { \
 196     static ProfileTime name(#name); \
 197     ProfileTimer _ ## name(name);
 198
 199 #define _end }
 200 /* }}} */
 201
 202 #define _pooled _H<NSAutoreleasePool> _pool([[NSAutoreleasePool alloc] init], true);
 203
 204 #define CYPoolStart() \
 205     NSAutoreleasePool *_pool([[NSAutoreleasePool alloc] init]); \
 206     do
 207 #define CYPoolEnd() \
 208     while (false); \
 209     [_pool release];
 210
 211 // Hash Functions/Structures {{{
 212 extern "C" uint32_t hashlittle(const void *key, size_t length, uint32_t initval = 0);
 213
 214 union SplitHash {
 215     uint32_t u32;
 216     uint16_t u16[2];
 217 };
 218 // }}}
 219
 220 static const NSUInteger UIViewAutoresizingFlexibleBoth(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight);
 221
 222 static _finline NSString *CydiaURL(NSString *path) {
 223     char page[26];
 224     page[0] = 'h'; page[1] = 't'; page[2] = 't'; page[3] = 'p'; page[4] = 's';
 225     page[5] = ':'; page[6] = '/'; page[7] = '/'; page[8] = 'c'; page[9] = 'y';
 226     page[10] = 'd'; page[11] = 'i'; page[12] = 'a'; page[13] = '.'; page[14] = 's';
 227     page[15] = 'a'; page[16] = 'u'; page[17] = 'r'; page[18] = 'i'; page[19] = 'k';
 228     page[20] = '.'; page[21] = 'c'; page[22] = 'o'; page[23] = 'm'; page[24] = '/';
 229     page[25] = '\0';
 230     return [[NSString stringWithUTF8String:page] stringByAppendingString:path];
 231 }
 232
 233 static _finline void UpdateExternalStatus(uint64_t newStatus) {
 234     int notify_token;
 235     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
 236         notify_set_state(notify_token, newStatus);
 237         notify_cancel(notify_token);
 238     }
 239     notify_post("com.saurik.Cydia.status");
 240 }
 241
 242 /* [NSObject yieldToSelector:(withObject:)] {{{*/
 243 @interface NSObject (Cydia)
 244 - (id) yieldToSelector:(SEL)selector withObject:(id)object;
 245 - (id) yieldToSelector:(SEL)selector;
 246 @end
 247
 248 @implementation NSObject (Cydia)
 249
 250 - (void) doNothing {
 251 }
 252
 253 - (void) _yieldToContext:(NSMutableArray *)context { _pooled
 254     SEL selector(reinterpret_cast<SEL>([[context objectAtIndex:0] pointerValue]));
 255     id object([[context objectAtIndex:1] nonretainedObjectValue]);
 256     volatile bool &stopped(*reinterpret_cast<bool *>([[context objectAtIndex:2] pointerValue]));
 257
 258     /* XXX: deal with exceptions */
 259     id value([self performSelector:selector withObject:object]);
 260
 261     NSMethodSignature *signature([self methodSignatureForSelector:selector]);
 262     [context removeAllObjects];
 263     if ([signature methodReturnLength] != 0 && value != nil)
 264         [context addObject:value];
 265
 266     stopped = true;
 267
 268     [self
 269         performSelectorOnMainThread:@selector(doNothing)
 270         withObject:nil
 271         waitUntilDone:NO
 272     ];
 273 }
 274
 275 - (id) yieldToSelector:(SEL)selector withObject:(id)object {
 276     volatile bool stopped(false);
 277
 278     NSMutableArray *context([NSMutableArray arrayWithObjects:
 279         [NSValue valueWithPointer:selector],
 280         [NSValue valueWithNonretainedObject:object],
 281         [NSValue valueWithPointer:const_cast<bool *>(&stopped)],
 282     nil]);
 283
 284     NSThread *thread([[[NSThread alloc]
 285         initWithTarget:self
 286         selector:@selector(_yieldToContext:)
 287         object:context
 288     ] autorelease]);
 289
 290     [thread start];
 291
 292     NSRunLoop *loop([NSRunLoop currentRunLoop]);
 293     NSDate *future([NSDate distantFuture]);
 294     NSString *mode([loop currentMode] ?: NSDefaultRunLoopMode);
 295
 296     while (!stopped && [loop runMode:mode beforeDate:future]);
 297
 298     return [context count] == 0 ? nil : [context objectAtIndex:0];
 299 }
 300
 301 - (id) yieldToSelector:(SEL)selector {
 302     return [self yieldToSelector:selector withObject:nil];
 303 }
 304
 305 @end
 306 /* }}} */
 307
 308 /* Cydia Alert View {{{ */
 309 @interface CYAlertView : UIAlertView {
 310     unsigned button_;
 311 }
 312
 313 - (int) yieldToPopupAlertAnimated:(BOOL)animated;
 314
 315 @end
 316
 317 @implementation CYAlertView
 318
 319 - (id) initWithTitle:(NSString *)title buttons:(NSArray *)buttons defaultButtonIndex:(int)index {
 320     if ((self = [super init]) != nil) {
 321         [self setTitle:title];
 322         [self setDelegate:self];
 323         for (NSString *button in buttons) [self addButtonWithTitle:button];
 324         [self setCancelButtonIndex:index];
 325     } return self;
 326 }
 327
 328 - (void) _updateFrameForDisplay {
 329     [super _updateFrameForDisplay];
 330     if ([self cancelButtonIndex] == -1) {
 331         NSArray *buttons = [self buttons];
 332         if ([buttons count]) {
 333             UIImage *background = [[buttons objectAtIndex:0] backgroundForState:0];
 334             for (UIThreePartButton *button in buttons)
 335                 [button setBackground:background forState:0];
 336         }
 337     }
 338 }
 339
 340 - (void) alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {
 341     button_ = buttonIndex + 1;
 342 }
 343
 344 - (void) dismiss {
 345     [self dismissWithClickedButtonIndex:-1 animated:YES];
 346 }
 347
 348 - (int) yieldToPopupAlertAnimated:(BOOL)animated {
 349     [self setRunsModal:YES];
 350     button_ = 0;
 351     [self show];
 352     return button_;
 353 }
 354
 355 @end
 356 /* }}} */
 357
 358 /* NSForcedOrderingSearch doesn't work on the iPhone */
 359 static const NSStringCompareOptions MatchCompareOptions_ = NSLiteralSearch | NSCaseInsensitiveSearch;
 360 static const NSStringCompareOptions LaxCompareOptions_ = NSNumericSearch | NSDiacriticInsensitiveSearch | NSWidthInsensitiveSearch | NSCaseInsensitiveSearch;
 361 static const CFStringCompareFlags LaxCompareFlags_ = kCFCompareCaseInsensitive | kCFCompareNonliteral | kCFCompareLocalized | kCFCompareNumerically | kCFCompareWidthInsensitive | kCFCompareForcedOrdering;
 362
 363 #define lprintf(args...) fprintf(stderr, args)
 364
 365 #define ForRelease 1
 366 #define TraceLogging (1 && !ForRelease)
 367 #define HistogramInsertionSort (!ForRelease ? 0 : 0)
 368 #define ProfileTimes (0 && !ForRelease)
 369 #define ForSaurik (0 && !ForRelease)
 370 #define LogBrowser (0 && !ForRelease)
 371 #define TrackResize (0 && !ForRelease)
 372 #define ManualRefresh (1 && !ForRelease)
 373 #define ShowInternals (0 && !ForRelease)
 374 #define AlwaysReload (0 && !ForRelease)
 375 #define TryIndexedCollation (0 && !ForRelease)
 376
 377 #if !TraceLogging
 378 #undef _trace
 379 #define _trace(args...)
 380 #endif
 381
 382 #if !ProfileTimes
 383 #undef _profile
 384 #define _profile(name) {
 385 #undef _end
 386 #define _end }
 387 #define PrintTimes() do {} while (false)
 388 #endif
 389
 390 /* Radix Sort {{{ */
 391 typedef uint32_t (*SKRadixFunction)(id, void *);
 392
 393 @interface NSMutableArray (Radix)
 394 - (void) radixSortUsingFunction:(SKRadixFunction)function withContext:(void *)argument;
 395 @end
 396
 397 struct RadixItem_ {
 398     size_t index;
 399     uint32_t key;
 400 };
 401
 402 @implementation NSMutableArray (Radix)
 403
 404 - (void) radixSortUsingFunction:(SKRadixFunction)function withContext:(void *)argument {
 405     size_t count([self count]);
 406     struct RadixItem_ *swap(new RadixItem_[count * 2]);
 407
 408     for (size_t i(0); i != count; ++i) {
 409         RadixItem_ &item(swap[i]);
 410         item.index = i;
 411
 412         id object([self objectAtIndex:i]);
 413         item.key = function(object, argument);
 414     }
 415
 416     struct RadixItem_ *lhs(swap), *rhs(swap + count);
 417
 418     static const size_t width = 32;
 419     static const size_t bits = 11;
 420     static const size_t slots = 1 << bits;
 421     static const size_t passes = (width + (bits - 1)) / bits;
 422
 423     size_t *hist(new size_t[slots]);
 424
 425     for (size_t pass(0); pass != passes; ++pass) {
 426         memset(hist, 0, sizeof(size_t) * slots);
 427
 428         for (size_t i(0); i != count; ++i) {
 429             uint32_t key(lhs[i].key);
 430             key >>= pass * bits;
 431             key &= _not(uint32_t) >> width - bits;
 432             ++hist[key];
 433         }
 434
 435         size_t offset(0);
 436         for (size_t i(0); i != slots; ++i) {
 437             size_t local(offset);
 438             offset += hist[i];
 439             hist[i] = local;
 440         }
 441
 442         for (size_t i(0); i != count; ++i) {
 443             uint32_t key(lhs[i].key);
 444             key >>= pass * bits;
 445             key &= _not(uint32_t) >> width - bits;
 446             rhs[hist[key]++] = lhs[i];
 447         }
 448
 449         RadixItem_ *tmp(lhs);
 450         lhs = rhs;
 451         rhs = tmp;
 452     }
 453
 454     delete [] hist;
 455
 456     const void **values(new const void *[count]);
 457     for (size_t i(0); i != count; ++i)
 458         values[i] = [self objectAtIndex:lhs[i].index];
 459     CFArrayReplaceValues((CFMutableArrayRef) self, CFRangeMake(0, count), values, count);
 460     delete [] values;
 461
 462     delete [] swap;
 463 }
 464
 465 @end
 466 /* }}} */
 467 /* Insertion Sort {{{ */
 468
 469 CFIndex SKBSearch_(const void *element, CFIndex elementSize, const void *list, CFIndex count, CFComparatorFunction comparator, void *context) {
 470     const char *ptr = (const char *)list;
 471     while (0 < count) {
 472         CFIndex half = count / 2;
 473         const char *probe = ptr + elementSize * half;
 474         CFComparisonResult cr = comparator(element, probe, context);
 475     if (0 == cr) return (probe - (const char *)list) / elementSize;
 476         ptr = (cr < 0) ? ptr : probe + elementSize;
 477         count = (cr < 0) ? half : (half + (count & 1) - 1);
 478     }
 479     return (ptr - (const char *)list) / elementSize;
 480 }
 481
 482 CFIndex CFBSearch_(const void *element, CFIndex elementSize, const void *list, CFIndex count, CFComparatorFunction comparator, void *context) {
 483     const char *ptr = (const char *)list;
 484     while (0 < count) {
 485         CFIndex half = count / 2;
 486         const char *probe = ptr + elementSize * half;
 487         CFComparisonResult cr = comparator(element, probe, context);
 488     if (0 == cr) return (probe - (const char *)list) / elementSize;
 489         ptr = (cr < 0) ? ptr : probe + elementSize;
 490         count = (cr < 0) ? half : (half + (count & 1) - 1);
 491     }
 492     return (ptr - (const char *)list) / elementSize;
 493 }
 494
 495 void CFArrayInsertionSortValues(CFMutableArrayRef array, CFRange range, CFComparatorFunction comparator, void *context) {
 496     if (range.length == 0)
 497         return;
 498     const void **values(new const void *[range.length]);
 499     CFArrayGetValues(array, range, values);
 500
 501 #if HistogramInsertionSort > 0
 502     uint32_t total(0), *offsets(new uint32_t[range.length]);
 503 #endif
 504
 505     for (CFIndex index(1); index != range.length; ++index) {
 506         const void *value(values[index]);
 507         //CFIndex correct(SKBSearch_(&value, sizeof(const void *), values, index, comparator, context));
 508         CFIndex correct(index);
 509         while (comparator(value, values[correct - 1], context) == kCFCompareLessThan) {
 510 #if HistogramInsertionSort > 1
 511             NSLog(@"%@ < %@", value, values[correct - 1]);
 512 #endif
 513             if (--correct == 0)
 514                 break;
 515         }
 516         if (correct != index) {
 517             size_t offset(index - correct);
 518 #if HistogramInsertionSort
 519             total += offset;
 520             ++offsets[offset];
 521             if (offset > 10)
 522                 NSLog(@"Heavy Insertion Displacement: %u = %@", offset, value);
 523 #endif
 524             memmove(values + correct + 1, values + correct, sizeof(const void *) * offset);
 525             values[correct] = value;
 526         }
 527     }
 528
 529     CFArrayReplaceValues(array, range, values, range.length);
 530     delete [] values;
 531
 532 #if HistogramInsertionSort > 0
 533     for (CFIndex index(0); index != range.length; ++index)
 534         if (offsets[index] != 0)
 535             NSLog(@"Insertion Displacement [%u]: %u", index, offsets[index]);
 536     NSLog(@"Average Insertion Displacement: %f", double(total) / range.length);
 537     delete [] offsets;
 538 #endif
 539 }
 540
 541 /* }}} */
 542
 543 /* Apple Bug Fixes {{{ */
 544 @implementation UIWebDocumentView (Cydia)
 545
 546 - (void) _setScrollerOffset:(CGPoint)offset {
 547     UIScroller *scroller([self _scroller]);
 548
 549     CGSize size([scroller contentSize]);
 550     CGSize bounds([scroller bounds].size);
 551
 552     CGPoint max;
 553     max.x = size.width - bounds.width;
 554     max.y = size.height - bounds.height;
 555
 556     // wtf Apple?!
 557     if (max.x < 0)
 558         max.x = 0;
 559     if (max.y < 0)
 560         max.y = 0;
 561
 562     offset.x = offset.x < 0 ? 0 : offset.x > max.x ? max.x : offset.x;
 563     offset.y = offset.y < 0 ? 0 : offset.y > max.y ? max.y : offset.y;
 564
 565     [scroller setOffset:offset];
 566 }
 567
 568 @end
 569 /* }}} */
 570
 571 @interface NSInvocation (Cydia)
 572 + (NSInvocation *) invocationWithSelector:(SEL)selector forTarget:(id)target;
 573 @end
 574
 575 @implementation NSInvocation (Cydia)
 576
 577 + (NSInvocation *) invocationWithSelector:(SEL)selector forTarget:(id)target {
 578     NSInvocation *invocation([NSInvocation invocationWithMethodSignature:[target methodSignatureForSelector:selector]]);
 579     [invocation setTarget:target];
 580     [invocation setSelector:selector];
 581     return invocation;
 582 }
 583
 584 @end
 585
 586 @implementation WebScriptObject (NSFastEnumeration)
 587
 588 - (NSUInteger) countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)objects count:(NSUInteger)count {
 589     size_t length([self count] - state->state);
 590     if (length <= 0)
 591         return 0;
 592     else if (length > count)
 593         length = count;
 594     for (size_t i(0); i != length; ++i)
 595         objects[i] = [self objectAtIndex:state->state++];
 596     state->itemsPtr = objects;
 597     state->mutationsPtr = (unsigned long *) self;
 598     return length;
 599 }
 600
 601 @end
 602
 603 NSUInteger DOMNodeList$countByEnumeratingWithState$objects$count$(DOMNodeList *self, SEL sel, NSFastEnumerationState *state, id *objects, NSUInteger count) {
 604     size_t length([self length] - state->state);
 605     if (length <= 0)
 606         return 0;
 607     else if (length > count)
 608         length = count;
 609     for (size_t i(0); i != length; ++i)
 610         objects[i] = [self item:state->state++];
 611     state->itemsPtr = objects;
 612     state->mutationsPtr = (unsigned long *) self;
 613     return length;
 614 }
 615
 616 /* Cydia NSString Additions {{{ */
 617 @interface NSString (Cydia)
 618 + (NSString *) stringWithUTF8BytesNoCopy:(const char *)bytes length:(int)length;
 619 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length withZone:(NSZone *)zone inPool:(apr_pool_t *)pool;
 620 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length;
 621 - (NSComparisonResult) compareByPath:(NSString *)other;
 622 - (NSString *) stringByCachingURLWithCurrentCDN;
 623 - (NSString *) stringByAddingPercentEscapesIncludingReserved;
 624 @end
 625
 626 @implementation NSString (Cydia)
 627
 628 + (NSString *) stringWithUTF8BytesNoCopy:(const char *)bytes length:(int)length {
 629     return [[[NSString alloc] initWithBytesNoCopy:const_cast<char *>(bytes) length:length encoding:NSUTF8StringEncoding freeWhenDone:NO] autorelease];
 630 }
 631
 632 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length withZone:(NSZone *)zone inPool:(apr_pool_t *)pool {
 633     char *data(reinterpret_cast<char *>(apr_palloc(pool, length)));
 634     memcpy(data, bytes, length);
 635     return [[[NSString allocWithZone:zone] initWithBytesNoCopy:data length:length encoding:NSUTF8StringEncoding freeWhenDone:NO] autorelease];
 636 }
 637
 638 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length {
 639     return [[[NSString alloc] initWithBytes:bytes length:length encoding:NSUTF8StringEncoding] autorelease];
 640 }
 641
 642 - (NSComparisonResult) compareByPath:(NSString *)other {
 643     NSString *prefix = [self commonPrefixWithString:other options:0];
 644     size_t length = [prefix length];
 645
 646     NSRange lrange = NSMakeRange(length, [self length] - length);
 647     NSRange rrange = NSMakeRange(length, [other length] - length);
 648
 649     lrange = [self rangeOfString:@"/" options:0 range:lrange];
 650     rrange = [other rangeOfString:@"/" options:0 range:rrange];
 651
 652     NSComparisonResult value;
 653
 654     if (lrange.location == NSNotFound && rrange.location == NSNotFound)
 655         value = NSOrderedSame;
 656     else if (lrange.location == NSNotFound)
 657         value = NSOrderedAscending;
 658     else if (rrange.location == NSNotFound)
 659         value = NSOrderedDescending;
 660     else
 661         value = NSOrderedSame;
 662
 663     NSString *lpath = lrange.location == NSNotFound ? [self substringFromIndex:length] :
 664         [self substringWithRange:NSMakeRange(length, lrange.location - length)];
 665     NSString *rpath = rrange.location == NSNotFound ? [other substringFromIndex:length] :
 666         [other substringWithRange:NSMakeRange(length, rrange.location - length)];
 667
 668     NSComparisonResult result = [lpath compare:rpath];
 669     return result == NSOrderedSame ? value : result;
 670 }
 671
 672 - (NSString *) stringByCachingURLWithCurrentCDN {
 673     return [self
 674         stringByReplacingOccurrencesOfString:@"://cydia.saurik.com/"
 675         withString:@"://cache.cydia.saurik.com/"
 676     ];
 677 }
 678
 679 - (NSString *) stringByAddingPercentEscapesIncludingReserved {
 680     return [(id)CFURLCreateStringByAddingPercentEscapes(
 681         kCFAllocatorDefault,
 682         (CFStringRef) self,
 683         NULL,
 684         CFSTR(";/?:@&=+$,"),
 685         kCFStringEncodingUTF8
 686     ) autorelease];
 687 }
 688
 689 @end
 690 /* }}} */
 691
 692 /* C++ NSString Wrapper Cache {{{ */
 693 static _finline CFStringRef CYStringCreate(const char *data, size_t size) {
 694     return size == 0 ? NULL :
 695         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingUTF8, NO, kCFAllocatorNull) ?:
 696         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingISOLatin1, NO, kCFAllocatorNull);
 697 }
 698
 699 static _finline CFStringRef CYStringCreate(const char *data) {
 700     return CYStringCreate(data, strlen(data));
 701 }
 702
 703 class CYString {
 704   private:
 705     char *data_;
 706     size_t size_;
 707     CFStringRef cache_;
 708
 709     _finline void clear_() {
 710         if (cache_ != NULL) {
 711             CFRelease(cache_);
 712             cache_ = NULL;
 713         }
 714     }
 715
 716   public:
 717     _finline bool empty() const {
 718         return size_ == 0;
 719     }
 720
 721     _finline size_t size() const {
 722         return size_;
 723     }
 724
 725     _finline char *data() const {
 726         return data_;
 727     }
 728
 729     _finline void clear() {
 730         size_ = 0;
 731         clear_();
 732     }
 733
 734     _finline CYString() :
 735         data_(0),
 736         size_(0),
 737         cache_(NULL)
 738     {
 739     }
 740
 741     _finline ~CYString() {
 742         clear_();
 743     }
 744
 745     void operator =(const CYString &rhs) {
 746         data_ = rhs.data_;
 747         size_ = rhs.size_;
 748
 749         if (rhs.cache_ == nil)
 750             cache_ = NULL;
 751         else
 752             cache_ = reinterpret_cast<CFStringRef>(CFRetain(rhs.cache_));
 753     }
 754
 755     void copy(apr_pool_t *pool) {
 756         char *temp(reinterpret_cast<char *>(apr_palloc(pool, size_ + 1)));
 757         memcpy(temp, data_, size_);
 758         temp[size_] = '\0';
 759         data_ = temp;
 760     }
 761
 762     void set(apr_pool_t *pool, const char *data, size_t size) {
 763         if (size == 0)
 764             clear();
 765         else {
 766             clear_();
 767
 768             data_ = const_cast<char *>(data);
 769             size_ = size;
 770
 771             if (pool != NULL)
 772                 copy(pool);
 773         }
 774     }
 775
 776     _finline void set(apr_pool_t *pool, const char *data) {
 777         set(pool, data, data == NULL ? 0 : strlen(data));
 778     }
 779
 780     _finline void set(apr_pool_t *pool, const std::string &rhs) {
 781         set(pool, rhs.data(), rhs.size());
 782     }
 783
 784     bool operator ==(const CYString &rhs) const {
 785         return size_ == rhs.size_ && memcmp(data_, rhs.data_, size_) == 0;
 786     }
 787
 788     _finline operator CFStringRef() {
 789         if (cache_ == NULL)
 790             cache_ = CYStringCreate(data_, size_);
 791         return cache_;
 792     }
 793
 794     _finline operator id() {
 795         return (NSString *) static_cast<CFStringRef>(*this);
 796     }
 797
 798     _finline operator const char *() {
 799         return reinterpret_cast<const char *>(data_);
 800     }
 801 };
 802 /* }}} */
 803 /* C++ NSString Algorithm Adapters {{{ */
 804 extern "C" {
 805     CF_EXPORT CFHashCode CFStringHashNSString(CFStringRef str);
 806 }
 807
 808 struct NSStringMapHash :
 809     std::unary_function<NSString *, size_t>
 810 {
 811     _finline size_t operator ()(NSString *value) const {
 812         return CFStringHashNSString((CFStringRef) value);
 813     }
 814 };
 815
 816 struct NSStringMapLess :
 817     std::binary_function<NSString *, NSString *, bool>
 818 {
 819     _finline bool operator ()(NSString *lhs, NSString *rhs) const {
 820         return [lhs compare:rhs] == NSOrderedAscending;
 821     }
 822 };
 823
 824 struct NSStringMapEqual :
 825     std::binary_function<NSString *, NSString *, bool>
 826 {
 827     _finline bool operator ()(NSString *lhs, NSString *rhs) const {
 828         return CFStringCompare((CFStringRef) lhs, (CFStringRef) rhs, 0) == kCFCompareEqualTo;
 829         //CFEqual((CFTypeRef) lhs, (CFTypeRef) rhs);
 830         //[lhs isEqualToString:rhs];
 831     }
 832 };
 833 /* }}} */
 834
 835 /* Perl-Compatible RegEx {{{ */
 836 class Pcre {
 837   private:
 838     pcre *code_;
 839     pcre_extra *study_;
 840     int capture_;
 841     int *matches_;
 842     const char *data_;
 843
 844   public:
 845     Pcre(const char *regex) :
 846         study_(NULL)
 847     {
 848         const char *error;
 849         int offset;
 850         code_ = pcre_compile(regex, 0, &error, &offset, NULL);
 851
 852         if (code_ == NULL) {
 853             lprintf("%d:%s\n", offset, error);
 854             _assert(false);
 855         }
 856
 857         pcre_fullinfo(code_, study_, PCRE_INFO_CAPTURECOUNT, &capture_);
 858         matches_ = new int[(capture_ + 1) * 3];
 859     }
 860
 861     ~Pcre() {
 862         pcre_free(code_);
 863         delete matches_;
 864     }
 865
 866     NSString *operator [](size_t match) {
 867         return [NSString stringWithUTF8Bytes:(data_ + matches_[match * 2]) length:(matches_[match * 2 + 1] - matches_[match * 2])];
 868     }
 869
 870     bool operator ()(NSString *data) {
 871         // XXX: length is for characters, not for bytes
 872         return operator ()([data UTF8String], [data length]);
 873     }
 874
 875     bool operator ()(const char *data, size_t size) {
 876         data_ = data;
 877         return pcre_exec(code_, study_, data, size, 0, 0, matches_, (capture_ + 1) * 3) >= 0;
 878     }
 879 };
 880 /* }}} */
 881 /* Mime Addresses {{{ */
 882 @interface Address : NSObject {
 883     NSString *name_;
 884     NSString *address_;
 885 }
 886
 887 - (NSString *) name;
 888 - (NSString *) address;
 889
 890 - (void) setAddress:(NSString *)address;
 891
 892 + (Address *) addressWithString:(NSString *)string;
 893 - (Address *) initWithString:(NSString *)string;
 894
 895 @end
 896
 897 @implementation Address
 898
 899 - (void) dealloc {
 900     [name_ release];
 901     if (address_ != nil)
 902         [address_ release];
 903     [super dealloc];
 904 }
 905
 906 - (NSString *) name {
 907     return name_;
 908 }
 909
 910 - (NSString *) address {
 911     return address_;
 912 }
 913
 914 - (void) setAddress:(NSString *)address {
 915     if (address_ != nil)
 916         [address_ autorelease];
 917     if (address == nil)
 918         address_ = nil;
 919     else
 920         address_ = [address retain];
 921 }
 922
 923 + (Address *) addressWithString:(NSString *)string {
 924     return [[[Address alloc] initWithString:string] autorelease];
 925 }
 926
 927 + (NSArray *) _attributeKeys {
 928     return [NSArray arrayWithObjects:
 929         @"address",
 930         @"name",
 931     nil];
 932 }
 933
 934 - (NSArray *) attributeKeys {
 935     return [[self class] _attributeKeys];
 936 }
 937
 938 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
 939     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
 940 }
 941
 942 - (Address *) initWithString:(NSString *)string {
 943     if ((self = [super init]) != nil) {
 944         const char *data = [string UTF8String];
 945         size_t size = [string length];
 946
 947         static Pcre address_r("^\"?(.*)\"? <([^>]*)>$");
 948
 949         if (address_r(data, size)) {
 950             name_ = [address_r[1] retain];
 951             address_ = [address_r[2] retain];
 952         } else {
 953             name_ = [string retain];
 954             address_ = nil;
 955         }
 956     } return self;
 957 }
 958
 959 @end
 960 /* }}} */
 961 /* CoreGraphics Primitives {{{ */
 962 class CYColor {
 963   private:
 964     CGColorRef color_;
 965
 966     static CGColorRef Create_(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
 967         CGFloat color[] = {red, green, blue, alpha};
 968         return CGColorCreate(space, color);
 969     }
 970
 971   public:
 972     CYColor() :
 973         color_(NULL)
 974     {
 975     }
 976
 977     CYColor(CGColorSpaceRef space, float red, float green, float blue, float alpha) :
 978         color_(Create_(space, red, green, blue, alpha))
 979     {
 980         Set(space, red, green, blue, alpha);
 981     }
 982
 983     void Clear() {
 984         if (color_ != NULL)
 985             CGColorRelease(color_);
 986     }
 987
 988     ~CYColor() {
 989         Clear();
 990     }
 991
 992     void Set(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
 993         Clear();
 994         color_ = Create_(space, red, green, blue, alpha);
 995     }
 996
 997     operator CGColorRef() {
 998         return color_;
 999     }
1000 };
1001 /* }}} */
1002
1003 /* Random Global Variables {{{ */
1004 static const int PulseInterval_ = 50000;
1005
1006 static const NSString *UI_;
1007
1008 static int Finish_;
1009 static bool RestartSubstrate_;
1010 static NSArray *Finishes_;
1011
1012 #define SpringBoard_ "/System/Library/LaunchDaemons/com.apple.SpringBoard.plist"
1013 #define NotifyConfig_ "/etc/notify.conf"
1014
1015 static bool Queuing_;
1016
1017 static CYColor Blue_;
1018 static CYColor Blueish_;
1019 static CYColor Black_;
1020 static CYColor Off_;
1021 static CYColor White_;
1022 static CYColor Gray_;
1023 static CYColor Green_;
1024 static CYColor Purple_;
1025 static CYColor Purplish_;
1026
1027 static UIColor *InstallingColor_;
1028 static UIColor *RemovingColor_;
1029
1030 static NSString *App_;
1031
1032 static BOOL Advanced_;
1033 static BOOL Ignored_;
1034
1035 static UIFont *Font12_;
1036 static UIFont *Font12Bold_;
1037 static UIFont *Font14_;
1038 static UIFont *Font18Bold_;
1039 static UIFont *Font22Bold_;
1040
1041 static const char *Machine_ = NULL;
1042 static NSString *System_ = nil;
1043 static NSString *SerialNumber_ = nil;
1044 static NSString *ChipID_ = nil;
1045 static _H<NSString> Token_;
1046 static NSString *UniqueID_ = nil;
1047 static NSString *PLMN_ = nil;
1048 static NSString *Build_ = nil;
1049 static NSString *Product_ = nil;
1050 static NSString *Safari_ = nil;
1051
1052 static CFLocaleRef Locale_;
1053 static NSArray *Languages_;
1054 static CGColorSpaceRef space_;
1055
1056 static NSDictionary *SectionMap_;
1057 static NSMutableDictionary *Metadata_;
1058 static _transient NSMutableDictionary *Settings_;
1059 static _transient NSString *Role_;
1060 static _transient NSMutableDictionary *Packages_;
1061 static _transient NSMutableDictionary *Sections_;
1062 static _transient NSMutableDictionary *Sources_;
1063 static bool Changed_;
1064 static time_t now_;
1065
1066 bool IsWildcat_;
1067 static CGFloat ScreenScale_;
1068 static NSString *Idiom_;
1069
1070 static NSMutableSet *CydiaHosts_;
1071 /* }}} */
1072
1073 /* Display Helpers {{{ */
1074 inline float Interpolate(float begin, float end, float fraction) {
1075     return (end - begin) * fraction + begin;
1076 }
1077
1078 static _finline const char *StripVersion_(const char *version) {
1079     const char *colon(strchr(version, ':'));
1080     return colon == NULL ? version : colon + 1;
1081 }
1082
1083 NSString *LocalizeSection(NSString *section) {
1084     static Pcre title_r("^(.*?) \\((.*)\\)$");
1085     if (title_r(section)) {
1086         NSString *parent(title_r[1]);
1087         NSString *child(title_r[2]);
1088
1089         return [NSString stringWithFormat:UCLocalize("PARENTHETICAL"),
1090             LocalizeSection(parent),
1091             LocalizeSection(child)
1092         ];
1093     }
1094
1095     return [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
1096 }
1097
1098 NSString *Simplify(NSString *title) {
1099     const char *data = [title UTF8String];
1100     size_t size = [title length];
1101
1102     static Pcre square_r("^\\[(.*)\\]$");
1103     if (square_r(data, size))
1104         return Simplify(square_r[1]);
1105
1106     static Pcre paren_r("^\\((.*)\\)$");
1107     if (paren_r(data, size))
1108         return Simplify(paren_r[1]);
1109
1110     static Pcre title_r("^(.*?) \\((.*)\\)$");
1111     if (title_r(data, size))
1112         return Simplify(title_r[1]);
1113
1114     return title;
1115 }
1116 /* }}} */
1117
1118 NSString *GetLastUpdate() {
1119     NSDate *update = [Metadata_ objectForKey:@"LastUpdate"];
1120
1121     if (update == nil)
1122         return UCLocalize("NEVER_OR_UNKNOWN");
1123
1124     CFDateFormatterRef formatter = CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle);
1125     CFStringRef formatted = CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) update);
1126
1127     CFRelease(formatter);
1128
1129     return [(NSString *) formatted autorelease];
1130 }
1131
1132 bool isSectionVisible(NSString *section) {
1133     NSDictionary *metadata([Sections_ objectForKey:(section ?: @"")]);
1134     NSNumber *hidden(metadata == nil ? nil : [metadata objectForKey:@"Hidden"]);
1135     return hidden == nil || ![hidden boolValue];
1136 }
1137
1138 @class Cydia;
1139
1140 /* Delegate Prototypes {{{ */
1141 @class Package;
1142 @class Source;
1143 @class CydiaProgressEvent;
1144
1145 @protocol DatabaseDelegate
1146 - (void) repairWithSelector:(SEL)selector;
1147 - (void) setConfigurationData:(NSString *)data;
1148 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task;
1149 @end
1150
1151 @class CYPackageController;
1152
1153 @protocol CydiaDelegate
1154 - (void) retainNetworkActivityIndicator;
1155 - (void) releaseNetworkActivityIndicator;
1156 - (void) clearPackage:(Package *)package;
1157 - (void) installPackage:(Package *)package;
1158 - (void) installPackages:(NSArray *)packages;
1159 - (void) removePackage:(Package *)package;
1160 - (void) beginUpdate;
1161 - (BOOL) updating;
1162 - (void) distUpgrade;
1163 - (void) loadData;
1164 - (void) updateData;
1165 - (void) syncData;
1166 - (void) addTrivialSource:(NSString *)href;
1167 - (void) showSettings;
1168 - (UIProgressHUD *) addProgressHUD;
1169 - (void) removeProgressHUD:(UIProgressHUD *)hud;
1170 - (CYViewController *) pageForPackage:(NSString *)name;
1171 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item;
1172 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
1173 - (void) addCydiaHost:(NSString *)host;
1174 @end
1175 /* }}} */
1176
1177 /* ProgressEvent Interface/Delegate {{{ */
1178 @interface CydiaProgressEvent : NSObject {
1179     _H<NSString> message_;
1180     _H<NSString> type_;
1181
1182     _H<NSArray> item_;
1183     _H<NSString> package_;
1184     _H<NSString> url_;
1185     _H<NSString> version_;
1186 }
1187
1188 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type;
1189 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forPackage:(NSString *)package;
1190 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forItem:(pkgAcquire::ItemDesc &)item;
1191
1192 - (id) initWithMessage:(NSString *)message ofType:(NSString *)type;
1193
1194 - (NSString *) message;
1195 - (NSString *) type;
1196
1197 - (NSArray *) item;
1198 - (NSString *) package;
1199 - (NSString *) url;
1200 - (NSString *) version;
1201
1202 - (void) setItem:(NSArray *)item;
1203 - (void) setPackage:(NSString *)package;
1204 - (void) setURL:(NSString *)url;
1205 - (void) setVersion:(NSString *)version;
1206
1207 - (NSString *) compound:(NSString *)value;
1208 - (NSString *) compoundMessage;
1209 - (NSString *) compoundTitle;
1210
1211 @end
1212
1213 @protocol ProgressDelegate
1214 - (void) addProgressEvent:(CydiaProgressEvent *)event;
1215 - (void) setProgressPercent:(NSNumber *)percent;
1216 - (void) setProgressStatus:(NSDictionary *)status;
1217 - (void) setProgressCancellable:(NSNumber *)cancellable;
1218 - (bool) isProgressCancelled;
1219 - (void) setTitle:(NSString *)title;
1220 @end
1221 /* }}} */
1222 /* Status Delegation {{{ */
1223 class Status :
1224     public pkgAcquireStatus
1225 {
1226   private:
1227     _transient NSObject<ProgressDelegate> *delegate_;
1228     bool cancelled_;
1229
1230   public:
1231     Status() :
1232         delegate_(nil),
1233         cancelled_(false)
1234     {
1235     }
1236
1237     void setDelegate(NSObject<ProgressDelegate> *delegate) {
1238         delegate_ = delegate;
1239     }
1240
1241     NSObject<ProgressDelegate> *getDelegate() const {
1242         return delegate_;
1243     }
1244
1245     virtual bool MediaChange(std::string media, std::string drive) {
1246         return false;
1247     }
1248
1249     virtual void IMSHit(pkgAcquire::ItemDesc &item) {
1250     }
1251
1252     virtual void Fetch(pkgAcquire::ItemDesc &item) {
1253         NSString *name([NSString stringWithUTF8String:item.ShortDesc.c_str()]);
1254         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithFormat:UCLocalize("DOWNLOADING_"), name] ofType:@"STATUS" forItem:item]);
1255         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
1256     }
1257
1258     virtual void Done(pkgAcquire::ItemDesc &item) {
1259     }
1260
1261     virtual void Fail(pkgAcquire::ItemDesc &item) {
1262         if (
1263             item.Owner->Status == pkgAcquire::Item::StatIdle ||
1264             item.Owner->Status == pkgAcquire::Item::StatDone
1265         )
1266             return;
1267
1268         std::string &error(item.Owner->ErrorText);
1269         if (error.empty())
1270             return;
1271
1272         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:@"ERROR" forItem:item]);
1273         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
1274     }
1275
1276     virtual bool Pulse(pkgAcquire *Owner) {
1277         bool value = pkgAcquireStatus::Pulse(Owner);
1278
1279         double percent(
1280             double(CurrentBytes + CurrentItems) /
1281             double(TotalBytes + TotalItems)
1282         );
1283
1284         [delegate_ performSelectorOnMainThread:@selector(setProgressStatus:) withObject:[NSDictionary dictionaryWithObjectsAndKeys:
1285             [NSNumber numberWithDouble:percent], @"Percent",
1286
1287             [NSNumber numberWithDouble:CurrentBytes], @"Current",
1288             [NSNumber numberWithDouble:TotalBytes], @"Total",
1289             [NSNumber numberWithDouble:CurrentCPS], @"Speed",
1290         nil] waitUntilDone:YES];
1291
1292         if (value && ![delegate_ isProgressCancelled])
1293             return true;
1294         else {
1295             cancelled_ = true;
1296             return false;
1297         }
1298     }
1299
1300     _finline bool WasCancelled() const {
1301         return cancelled_;
1302     }
1303
1304     virtual void Start() {
1305         pkgAcquireStatus::Start();
1306         [delegate_ performSelectorOnMainThread:@selector(setProgressCancellable:) withObject:[NSNumber numberWithBool:YES] waitUntilDone:YES];
1307     }
1308
1309     virtual void Stop() {
1310         pkgAcquireStatus::Stop();
1311         [delegate_ performSelectorOnMainThread:@selector(setProgressCancellable:) withObject:[NSNumber numberWithBool:NO] waitUntilDone:YES];
1312         [delegate_ performSelectorOnMainThread:@selector(setProgressStatus:) withObject:nil waitUntilDone:YES];
1313     }
1314 };
1315 /* }}} */
1316 /* Database Interface {{{ */
1317 typedef std::map< unsigned long, _H<Source> > SourceMap;
1318
1319 @interface Database : NSObject {
1320     NSZone *zone_;
1321     apr_pool_t *pool_;
1322
1323     unsigned era_;
1324
1325     pkgCacheFile cache_;
1326     pkgDepCache::Policy *policy_;
1327     pkgRecords *records_;
1328     pkgProblemResolver *resolver_;
1329     pkgAcquire *fetcher_;
1330     FileFd *lock_;
1331     SPtr<pkgPackageManager> manager_;
1332     pkgSourceList *list_;
1333
1334     SourceMap sourceMap_;
1335     NSMutableArray *sourceList_;
1336
1337     CFMutableArrayRef packages_;
1338
1339     _transient NSObject<DatabaseDelegate> *delegate_;
1340     _transient NSObject<ProgressDelegate> *progress_;
1341
1342     Status status_;
1343
1344     int cydiafd_;
1345     int statusfd_;
1346     FILE *input_;
1347
1348     std::map<const char *, _H<NSString> > sections_;
1349 }
1350
1351 + (Database *) sharedInstance;
1352 - (unsigned) era;
1353
1354 - (void) _readCydia:(NSNumber *)fd;
1355 - (void) _readStatus:(NSNumber *)fd;
1356 - (void) _readOutput:(NSNumber *)fd;
1357
1358 - (FILE *) input;
1359
1360 - (Package *) packageWithName:(NSString *)name;
1361
1362 - (pkgCacheFile &) cache;
1363 - (pkgDepCache::Policy *) policy;
1364 - (pkgRecords *) records;
1365 - (pkgProblemResolver *) resolver;
1366 - (pkgAcquire &) fetcher;
1367 - (pkgSourceList &) list;
1368 - (NSArray *) packages;
1369 - (NSArray *) sources;
1370 - (Source *) sourceWithKey:(NSString *)key;
1371 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
1372
1373 - (void) configure;
1374 - (bool) prepare;
1375 - (void) perform;
1376 - (bool) upgrade;
1377 - (void) update;
1378
1379 - (void) updateWithStatus:(Status &)status;
1380
1381 - (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate;
1382
1383 - (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate;
1384 - (NSObject<ProgressDelegate> *) progressDelegate;
1385
1386 - (Source *) getSource:(pkgCache::PkgFileIterator)file;
1387
1388 - (NSString *) mappedSectionForPointer:(const char *)pointer;
1389
1390 @end
1391 /* }}} */
1392 /* ProgressEvent Implementation {{{ */
1393 @implementation CydiaProgressEvent
1394
1395 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type {
1396     return [[[CydiaProgressEvent alloc] initWithMessage:message ofType:type] autorelease];
1397 }
1398
1399 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forPackage:(NSString *)package {
1400     CydiaProgressEvent *event([self eventWithMessage:message ofType:type]);
1401     [event setPackage:package];
1402     return event;
1403 }
1404
1405 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forItem:(pkgAcquire::ItemDesc &)item {
1406     CydiaProgressEvent *event([self eventWithMessage:message ofType:type]);
1407
1408     NSString *description([NSString stringWithUTF8String:item.Description.c_str()]);
1409     NSArray *fields([description componentsSeparatedByString:@" "]);
1410     [event setItem:fields];
1411
1412     if ([fields count] > 3) {
1413         [event setPackage:[fields objectAtIndex:2]];
1414         [event setVersion:[fields objectAtIndex:3]];
1415     }
1416
1417     [event setURL:[NSString stringWithUTF8String:item.URI.c_str()]];
1418
1419     return event;
1420 }
1421
1422 + (NSArray *) _attributeKeys {
1423     return [NSArray arrayWithObjects:
1424         @"item",
1425         @"message",
1426         @"package",
1427         @"type",
1428         @"url",
1429         @"version",
1430     nil];
1431 }
1432
1433 - (NSArray *) attributeKeys {
1434     return [[self class] _attributeKeys];
1435 }
1436
1437 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1438     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1439 }
1440
1441 - (id) initWithMessage:(NSString *)message ofType:(NSString *)type {
1442     if ((self = [super init]) != nil) {
1443         message_ = message;
1444         type_ = type;
1445     } return self;
1446 }
1447
1448 - (NSString *) message {
1449     return message_;
1450 }
1451
1452 - (NSString *) type {
1453     return type_;
1454 }
1455
1456 - (NSArray *) item {
1457     return (id) item_ ?: [NSNull null];
1458 }
1459
1460 - (void) setItem:(NSArray *)item {
1461     item_ = item;
1462 }
1463
1464 - (NSString *) package {
1465     return (id) package_ ?: [NSNull null];
1466 }
1467
1468 - (void) setPackage:(NSString *)package {
1469     package_ = package;
1470 }
1471
1472 - (NSString *) url {
1473     return (id) url_ ?: [NSNull null];
1474 }
1475
1476 - (void) setURL:(NSString *)url {
1477     url_ = url;
1478 }
1479
1480 - (void) setVersion:(NSString *)version {
1481     version_ = version;
1482 }
1483
1484 - (NSString *) version {
1485     return (id) version_ ?: [NSNull null];
1486 }
1487
1488 - (NSString *) compound:(NSString *)value {
1489     if (value != nil) {
1490         NSString *mode(nil); {
1491             NSString *type([self type]);
1492             if ([type isEqualToString:@"ERROR"])
1493                 mode = UCLocalize("ERROR");
1494             else if ([type isEqualToString:@"WARNING"])
1495                 mode = UCLocalize("WARNING");
1496         }
1497
1498         if (mode != nil)
1499             value = [NSString stringWithFormat:UCLocalize("COLON_DELIMITED"), mode, value];
1500     }
1501
1502     return value;
1503 }
1504
1505 - (NSString *) compoundMessage {
1506     return [self compound:[self message]];
1507 }
1508
1509 - (NSString *) compoundTitle {
1510     NSString *title;
1511
1512     if (package_ == nil)
1513         title = nil;
1514     else if (Package *package = [[Database sharedInstance] packageWithName:package_])
1515         title = [package name];
1516     else
1517         title = package_;
1518
1519     return [self compound:title];
1520 }
1521
1522 @end
1523 /* }}} */
1524
1525 // Cytore Definitions {{{
1526 struct PackageValue :
1527     Cytore::Block
1528 {
1529     Cytore::Offset<PackageValue> next_;
1530
1531     uint32_t index_ : 23;
1532     uint32_t subscribed_ : 1;
1533     uint32_t : 8;
1534
1535     int32_t first_;
1536     int32_t last_;
1537
1538     uint16_t vhash_;
1539     uint16_t nhash_;
1540
1541     char version_[8];
1542     char name_[];
1543 };
1544
1545 struct MetaValue :
1546     Cytore::Block
1547 {
1548     uint32_t active_;
1549     Cytore::Offset<PackageValue> packages_[1 << 16];
1550 };
1551
1552 static Cytore::File<MetaValue> MetaFile_;
1553 // }}}
1554 // Cytore Helper Functions {{{
1555 static PackageValue *PackageFind(const char *name, size_t length, bool *fail = NULL) {
1556     SplitHash nhash = { hashlittle(name, length) };
1557
1558     PackageValue *metadata;
1559
1560     Cytore::Offset<PackageValue> *offset(&MetaFile_->packages_[nhash.u16[0]]);
1561     offset: if (offset->IsNull()) {
1562         *offset = MetaFile_.New<PackageValue>(length + 1);
1563         metadata = &MetaFile_.Get(*offset);
1564
1565         if (metadata == NULL) {
1566             if (fail != NULL)
1567                 *fail = true;
1568
1569             metadata = new PackageValue();
1570             memset(metadata, 0, sizeof(*metadata));
1571         }
1572
1573         memcpy(metadata->name_, name, length + 1);
1574         metadata->nhash_ = nhash.u16[1];
1575     } else {
1576         metadata = &MetaFile_.Get(*offset);
1577
1578         if (metadata->nhash_ != nhash.u16[1] || strncmp(metadata->name_, name, length + 1) != 0) {
1579             offset = &metadata->next_;
1580             goto offset;
1581         }
1582     }
1583
1584     return metadata;
1585 }
1586
1587 static void PackageImport(const void *key, const void *value, void *context) {
1588     bool &fail(*reinterpret_cast<bool *>(context));
1589
1590     char buffer[1024];
1591     if (!CFStringGetCString((CFStringRef) key, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
1592         NSLog(@"failed to import package %@", key);
1593         return;
1594     }
1595
1596     PackageValue *metadata(PackageFind(buffer, strlen(buffer), &fail));
1597     NSDictionary *package((NSDictionary *) value);
1598
1599     if (NSNumber *subscribed = [package objectForKey:@"IsSubscribed"])
1600         if ([subscribed boolValue] && !metadata->subscribed_)
1601             metadata->subscribed_ = true;
1602
1603     if (NSDate *date = [package objectForKey:@"FirstSeen"]) {
1604         time_t time([date timeIntervalSince1970]);
1605         if (metadata->first_ > time || metadata->first_ == 0)
1606             metadata->first_ = time;
1607     }
1608
1609     NSDate *date([package objectForKey:@"LastSeen"]);
1610     NSString *version([package objectForKey:@"LastVersion"]);
1611
1612     if (date != nil && version != nil) {
1613         time_t time([date timeIntervalSince1970]);
1614         if (metadata->last_ < time || metadata->last_ == 0)
1615             if (CFStringGetCString((CFStringRef) version, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
1616                 size_t length(strlen(buffer));
1617                 uint16_t vhash(hashlittle(buffer, length));
1618
1619                 size_t capped(std::min<size_t>(8, length));
1620                 char *latest(buffer + length - capped);
1621
1622                 strncpy(metadata->version_, latest, sizeof(metadata->version_));
1623                 metadata->vhash_ = vhash;
1624
1625                 metadata->last_ = time;
1626             }
1627     }
1628 }
1629 // }}}
1630
1631 /* Source Class {{{ */
1632 @interface Source : NSObject {
1633     CYString depiction_;
1634     CYString description_;
1635     CYString label_;
1636     CYString origin_;
1637     CYString support_;
1638
1639     CYString uri_;
1640     CYString distribution_;
1641     CYString type_;
1642     CYString version_;
1643
1644     _H<NSString> host_;
1645     _H<NSString> authority_;
1646
1647     CYString defaultIcon_;
1648
1649     _H<NSDictionary> record_;
1650     BOOL trusted_;
1651 }
1652
1653 - (Source *) initWithMetaIndex:(metaIndex *)index inPool:(apr_pool_t *)pool;
1654
1655 - (NSComparisonResult) compareByNameAndType:(Source *)source;
1656
1657 - (NSString *) depictionForPackage:(NSString *)package;
1658 - (NSString *) supportForPackage:(NSString *)package;
1659
1660 - (NSDictionary *) record;
1661 - (BOOL) trusted;
1662
1663 - (NSString *) uri;
1664 - (NSString *) distribution;
1665 - (NSString *) type;
1666 - (NSString *) key;
1667 - (NSString *) host;
1668
1669 - (NSString *) name;
1670 - (NSString *) description;
1671 - (NSString *) label;
1672 - (NSString *) origin;
1673 - (NSString *) version;
1674
1675 - (NSString *) defaultIcon;
1676
1677 @end
1678
1679 @implementation Source
1680
1681 - (void) _clear {
1682     uri_.clear();
1683     distribution_.clear();
1684     type_.clear();
1685
1686     description_.clear();
1687     label_.clear();
1688     origin_.clear();
1689     depiction_.clear();
1690     support_.clear();
1691     version_.clear();
1692     defaultIcon_.clear();
1693
1694     record_ = nil;
1695     host_ = nil;
1696     authority_ = nil;
1697 }
1698
1699 - (void) dealloc {
1700     // XXX: this is a very inefficient way to call these deconstructors
1701     [self _clear];
1702     [super dealloc];
1703 }
1704
1705 + (NSArray *) _attributeKeys {
1706     return [NSArray arrayWithObjects:
1707         @"description",
1708         @"distribution",
1709         @"host",
1710         @"key",
1711         @"label",
1712         @"name",
1713         @"origin",
1714         @"trusted",
1715         @"type",
1716         @"uri",
1717         @"version",
1718     nil];
1719 }
1720
1721 - (NSArray *) attributeKeys {
1722     return [[self class] _attributeKeys];
1723 }
1724
1725 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1726     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1727 }
1728
1729 - (void) setMetaIndex:(metaIndex *)index inPool:(apr_pool_t *)pool {
1730     [self _clear];
1731
1732     trusted_ = index->IsTrusted();
1733
1734     uri_.set(pool, index->GetURI());
1735     distribution_.set(pool, index->GetDist());
1736     type_.set(pool, index->GetType());
1737
1738     debReleaseIndex *dindex(dynamic_cast<debReleaseIndex *>(index));
1739     if (dindex != NULL) {
1740         FileFd fd;
1741         if (!fd.Open(dindex->MetaIndexFile("Release"), FileFd::ReadOnly))
1742             _error->Discard();
1743         else {
1744             pkgTagFile tags(&fd);
1745
1746             pkgTagSection section;
1747             tags.Step(section);
1748
1749             struct {
1750                 const char *name_;
1751                 CYString *value_;
1752             } names[] = {
1753                 {"default-icon", &defaultIcon_},
1754                 {"depiction", &depiction_},
1755                 {"description", &description_},
1756                 {"label", &label_},
1757                 {"origin", &origin_},
1758                 {"support", &support_},
1759                 {"version", &version_},
1760             };
1761
1762             for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i) {
1763                 const char *start, *end;
1764
1765                 if (section.Find(names[i].name_, start, end)) {
1766                     CYString &value(*names[i].value_);
1767                     value.set(pool, start, end - start);
1768                 }
1769             }
1770         }
1771     }
1772
1773     record_ = [Sources_ objectForKey:[self key]];
1774
1775     NSURL *url([NSURL URLWithString:uri_]);
1776
1777     host_ = [url host];
1778     if (host_ != nil)
1779         host_ = [host_ lowercaseString];
1780
1781     if (host_ != nil)
1782         // XXX: this is due to a bug in _H<>
1783         authority_ = (id) host_;
1784     else
1785         authority_ = [url path];
1786 }
1787
1788 - (Source *) initWithMetaIndex:(metaIndex *)index inPool:(apr_pool_t *)pool {
1789     if ((self = [super init]) != nil) {
1790         [self setMetaIndex:index inPool:pool];
1791     } return self;
1792 }
1793
1794 - (NSComparisonResult) compareByNameAndType:(Source *)source {
1795     NSDictionary *lhr = [self record];
1796     NSDictionary *rhr = [source record];
1797
1798     if (lhr != rhr)
1799         return lhr == nil ? NSOrderedDescending : NSOrderedAscending;
1800
1801     NSString *lhs = [self name];
1802     NSString *rhs = [source name];
1803
1804     if ([lhs length] != 0 && [rhs length] != 0) {
1805         unichar lhc = [lhs characterAtIndex:0];
1806         unichar rhc = [rhs characterAtIndex:0];
1807
1808         if (isalpha(lhc) && !isalpha(rhc))
1809             return NSOrderedAscending;
1810         else if (!isalpha(lhc) && isalpha(rhc))
1811             return NSOrderedDescending;
1812     }
1813
1814     return [lhs compare:rhs options:LaxCompareOptions_];
1815 }
1816
1817 - (NSString *) depictionForPackage:(NSString *)package {
1818     return depiction_.empty() ? nil : [static_cast<id>(depiction_) stringByReplacingOccurrencesOfString:@"*" withString:package];
1819 }
1820
1821 - (NSString *) supportForPackage:(NSString *)package {
1822     return support_.empty() ? nil : [static_cast<id>(support_) stringByReplacingOccurrencesOfString:@"*" withString:package];
1823 }
1824
1825 - (NSDictionary *) record {
1826     return record_;
1827 }
1828
1829 - (BOOL) trusted {
1830     return trusted_;
1831 }
1832
1833 - (NSString *) uri {
1834     return uri_;
1835 }
1836
1837 - (NSString *) distribution {
1838     return distribution_;
1839 }
1840
1841 - (NSString *) type {
1842     return type_;
1843 }
1844
1845 - (NSString *) key {
1846     return [NSString stringWithFormat:@"%@:%@:%@", (NSString *) type_, (NSString *) uri_, (NSString *) distribution_];
1847 }
1848
1849 - (NSString *) host {
1850     return host_;
1851 }
1852
1853 - (NSString *) name {
1854     return origin_.empty() ? (id) authority_ : origin_;
1855 }
1856
1857 - (NSString *) description {
1858     return description_;
1859 }
1860
1861 - (NSString *) label {
1862     return label_.empty() ? (id) authority_ : label_;
1863 }
1864
1865 - (NSString *) origin {
1866     return origin_;
1867 }
1868
1869 - (NSString *) version {
1870     return version_;
1871 }
1872
1873 - (NSString *) defaultIcon {
1874     return defaultIcon_;
1875 }
1876
1877 @end
1878 /* }}} */
1879 /* CydiaOperation Class {{{ */
1880 @interface CydiaOperation : NSObject {
1881     NSString *operator_;
1882     NSString *value_;
1883 }
1884
1885 - (NSString *) operator;
1886 - (NSString *) value;
1887
1888 @end
1889
1890 @implementation CydiaOperation
1891
1892 - (void) dealloc {
1893     [operator_ release];
1894     [value_ release];
1895     [super dealloc];
1896 }
1897
1898 - (id) initWithOperator:(const char *)_operator value:(const char *)value {
1899     if ((self = [super init]) != nil) {
1900         operator_ = [[NSString alloc] initWithUTF8String:_operator];
1901         value_ = [[NSString alloc] initWithUTF8String:value];
1902     } return self;
1903 }
1904
1905 + (NSArray *) _attributeKeys {
1906     return [NSArray arrayWithObjects:
1907         @"operator",
1908         @"value",
1909     nil];
1910 }
1911
1912 - (NSArray *) attributeKeys {
1913     return [[self class] _attributeKeys];
1914 }
1915
1916 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1917     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1918 }
1919
1920 - (NSString *) operator {
1921     return operator_;
1922 }
1923
1924 - (NSString *) value {
1925     return value_;
1926 }
1927
1928 @end
1929 /* }}} */
1930 /* CydiaClause Class {{{ */
1931 @interface CydiaClause : NSObject {
1932     NSString *package_;
1933     CydiaOperation *version_;
1934 }
1935
1936 - (NSString *) package;
1937 - (CydiaOperation *) version;
1938
1939 @end
1940
1941 @implementation CydiaClause
1942
1943 - (void) dealloc {
1944     [package_ release];
1945     [version_ release];
1946     [super dealloc];
1947 }
1948
1949 - (id) initWithIterator:(pkgCache::DepIterator &)dep {
1950     if ((self = [super init]) != nil) {
1951         package_ = [[NSString alloc] initWithUTF8String:dep.TargetPkg().Name()];
1952
1953         if (const char *version = dep.TargetVer())
1954             version_ = [[CydiaOperation alloc] initWithOperator:dep.CompType() value:version];
1955         else
1956             version_ = [[NSNull null] retain];
1957     } return self;
1958 }
1959
1960 + (NSArray *) _attributeKeys {
1961     return [NSArray arrayWithObjects:
1962         @"package",
1963         @"version",
1964     nil];
1965 }
1966
1967 - (NSArray *) attributeKeys {
1968     return [[self class] _attributeKeys];
1969 }
1970
1971 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1972     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1973 }
1974
1975 - (NSString *) package {
1976     return package_;
1977 }
1978
1979 - (CydiaOperation *) version {
1980     return version_;
1981 }
1982
1983 @end
1984 /* }}} */
1985 /* CydiaRelation Class {{{ */
1986 @interface CydiaRelation : NSObject {
1987     NSString *relationship_;
1988     NSMutableArray *clauses_;
1989 }
1990
1991 - (NSString *) relationship;
1992 - (NSArray *) clauses;
1993
1994 @end
1995
1996 @implementation CydiaRelation
1997
1998 - (void) dealloc {
1999     [relationship_ release];
2000     [clauses_ release];
2001     [super dealloc];
2002 }
2003
2004 - (id) initWithIterator:(pkgCache::DepIterator &)dep {
2005     if ((self = [super init]) != nil) {
2006         relationship_ = [[NSString alloc] initWithUTF8String:dep.DepType()];
2007         clauses_ = [[NSMutableArray alloc] initWithCapacity:8];
2008
2009         pkgCache::DepIterator start;
2010         pkgCache::DepIterator end;
2011         dep.GlobOr(start, end); // ++dep
2012
2013         _forever {
2014             [clauses_ addObject:[[[CydiaClause alloc] initWithIterator:start] autorelease]];
2015
2016             // yes, seriously. (wtf?)
2017             if (start == end)
2018                 break;
2019             ++start;
2020         }
2021     } return self;
2022 }
2023
2024 + (NSArray *) _attributeKeys {
2025     return [NSArray arrayWithObjects:
2026         @"clauses",
2027         @"relationship",
2028     nil];
2029 }
2030
2031 - (NSArray *) attributeKeys {
2032     return [[self class] _attributeKeys];
2033 }
2034
2035 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
2036     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
2037 }
2038
2039 - (NSString *) relationship {
2040     return relationship_;
2041 }
2042
2043 - (NSArray *) clauses {
2044     return clauses_;
2045 }
2046
2047 - (void) addClause:(CydiaClause *)clause {
2048     [clauses_ addObject:clause];
2049 }
2050
2051 @end
2052 /* }}} */
2053 /* Package Class {{{ */
2054 struct ParsedPackage {
2055     CYString tagline_;
2056
2057     CYString icon_;
2058
2059     CYString depiction_;
2060     CYString homepage_;
2061
2062     CYString sponsor_;
2063     CYString author_;
2064
2065     CYString bugs_;
2066     CYString support_;
2067 };
2068
2069 @interface Package : NSObject {
2070     uint32_t era_ : 26;
2071     uint32_t role_ : 3;
2072     uint32_t essential_ : 1;
2073     uint32_t obsolete_ : 1;
2074     uint32_t ignored_ : 1;
2075
2076     apr_pool_t *pool_;
2077
2078     _transient Database *database_;
2079
2080     pkgCache::VerIterator version_;
2081     pkgCache::PkgIterator iterator_;
2082     pkgCache::VerFileIterator file_;
2083
2084     CYString id_;
2085     CYString name_;
2086
2087     CYString latest_;
2088     CYString installed_;
2089
2090     const char *section_;
2091     _transient NSString *section$_;
2092
2093     Source *source_;
2094
2095     PackageValue *metadata_;
2096     ParsedPackage *parsed_;
2097
2098     NSMutableArray *tags_;
2099 }
2100
2101 - (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database;
2102 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database;
2103
2104 - (pkgCache::PkgIterator) iterator;
2105 - (void) parse;
2106
2107 - (NSString *) section;
2108 - (NSString *) simpleSection;
2109
2110 - (NSString *) longSection;
2111 - (NSString *) shortSection;
2112
2113 - (NSString *) uri;
2114
2115 - (Address *) maintainer;
2116 - (size_t) size;
2117 - (NSString *) longDescription;
2118 - (NSString *) shortDescription;
2119 - (unichar) index;
2120
2121 - (PackageValue *) metadata;
2122 - (time_t) seen;
2123
2124 - (bool) subscribed;
2125 - (bool) setSubscribed:(bool)subscribed;
2126
2127 - (BOOL) ignored;
2128
2129 - (NSString *) latest;
2130 - (NSString *) installed;
2131 - (BOOL) uninstalled;
2132
2133 - (BOOL) valid;
2134 - (BOOL) upgradableAndEssential:(BOOL)essential;
2135 - (BOOL) essential;
2136 - (BOOL) broken;
2137 - (BOOL) unfiltered;
2138 - (BOOL) visible;
2139
2140 - (BOOL) half;
2141 - (BOOL) halfConfigured;
2142 - (BOOL) halfInstalled;
2143 - (BOOL) hasMode;
2144 - (NSString *) mode;
2145
2146 - (NSString *) id;
2147 - (NSString *) name;
2148 - (UIImage *) icon;
2149 - (NSString *) homepage;
2150 - (NSString *) depiction;
2151 - (Address *) author;
2152
2153 - (NSString *) support;
2154
2155 - (NSArray *) files;
2156 - (NSArray *) warnings;
2157 - (NSArray *) applications;
2158
2159 - (Source *) source;
2160
2161 - (BOOL) matches:(NSString *)text;
2162
2163 - (bool) hasSupportingRole;
2164 - (BOOL) hasTag:(NSString *)tag;
2165 - (NSString *) primaryPurpose;
2166 - (NSArray *) purposes;
2167 - (bool) isCommercial;
2168
2169 - (void) setIndex:(size_t)index;
2170
2171 - (CYString &) cyname;
2172
2173 - (uint32_t) compareBySection:(NSArray *)sections;
2174
2175 - (void) install;
2176 - (void) remove;
2177
2178 - (bool) isUnfilteredAndSearchedForBy:(NSString *)search;
2179 - (bool) isUnfilteredAndSelectedForBy:(NSString *)search;
2180 - (bool) isInstalledAndUnfiltered:(NSNumber *)number;
2181 - (bool) isVisibleInSection:(NSString *)section;
2182 - (bool) isVisibleInSource:(Source *)source;
2183
2184 @end
2185
2186 uint32_t PackageChangesRadix(Package *self, void *) {
2187     union {
2188         uint32_t key;
2189
2190         struct {
2191             uint32_t timestamp : 30;
2192             uint32_t ignored : 1;
2193             uint32_t upgradable : 1;
2194         } bits;
2195     } value;
2196
2197     bool upgradable([self upgradableAndEssential:YES]);
2198     value.bits.upgradable = upgradable ? 1 : 0;
2199
2200     if (upgradable) {
2201         value.bits.timestamp = 0;
2202         value.bits.ignored = [self ignored] ? 0 : 1;
2203         value.bits.upgradable = 1;
2204     } else {
2205         value.bits.timestamp = [self seen] >> 2;
2206         value.bits.ignored = 0;
2207         value.bits.upgradable = 0;
2208     }
2209
2210     return _not(uint32_t) - value.key;
2211 }
2212
2213 uint32_t PackagePrefixRadix(Package *self, void *context) {
2214     size_t offset(reinterpret_cast<size_t>(context));
2215     CYString &name([self cyname]);
2216
2217     size_t size(name.size());
2218     if (size == 0)
2219         return 0;
2220     char *text(name.data());
2221
2222     size_t zeros;
2223     if (!isdigit(text[0]))
2224         zeros = 0;
2225     else {
2226         size_t digits(1);
2227         while (size != digits && isdigit(text[digits]))
2228             if (++digits == 4)
2229                 break;
2230         zeros = 4 - digits;
2231     }
2232
2233     uint8_t data[4];
2234
2235     if (offset == 0 && zeros != 0) {
2236         memset(data, '0', zeros);
2237         memcpy(data + zeros, text, 4 - zeros);
2238     } else {
2239         /* XXX: there's some danger here if you request a non-zero offset < 4 and it gets zero padded */
2240         if (size <= offset - zeros)
2241             return 0;
2242
2243         text += offset - zeros;
2244         size -= offset - zeros;
2245
2246         if (size >= 4)
2247             memcpy(data, text, 4);
2248         else {
2249             memcpy(data, text, size);
2250             memset(data + size, 0, 4 - size);
2251         }
2252
2253         for (size_t i(0); i != 4; ++i)
2254             if (isalpha(data[i]))
2255                 data[i] |= 0x20;
2256     }
2257
2258     if (offset == 0)
2259         if (data[0] == '@')
2260             data[0] = 0x7f;
2261         else
2262             data[0] = (data[0] & 0x1f) | "\x80\x00\xc0\x40"[data[0] >> 6];
2263
2264     /* XXX: ntohl may be more honest */
2265     return OSSwapInt32(*reinterpret_cast<uint32_t *>(data));
2266 }
2267
2268 CYString &(*PackageName)(Package *self, SEL sel);
2269
2270 CFComparisonResult PackageNameCompare(Package *lhs, Package *rhs, void *arg) {
2271     _profile(PackageNameCompare)
2272         CYString &lhi(PackageName(lhs, @selector(cyname)));
2273         CYString &rhi(PackageName(rhs, @selector(cyname)));
2274         CFStringRef lhn(lhi), rhn(rhi);
2275
2276         if (lhn == NULL)
2277             return rhn == NULL ? NSOrderedSame : NSOrderedAscending;
2278         else if (rhn == NULL)
2279             return NSOrderedDescending;
2280
2281         _profile(PackageNameCompare$NumbersLast)
2282             if (!lhi.empty() && !rhi.empty()) {
2283                 UniChar lhc(CFStringGetCharacterAtIndex(lhn, 0));
2284                 UniChar rhc(CFStringGetCharacterAtIndex(rhn, 0));
2285                 bool lha(CFUniCharIsMemberOf(lhc, kCFUniCharLetterCharacterSet));
2286                 if (lha != CFUniCharIsMemberOf(rhc, kCFUniCharLetterCharacterSet))
2287                     return lha ? NSOrderedAscending : NSOrderedDescending;
2288             }
2289         _end
2290
2291         CFIndex length = CFStringGetLength(lhn);
2292
2293         _profile(PackageNameCompare$Compare)
2294             return CFStringCompareWithOptionsAndLocale(lhn, rhn, CFRangeMake(0, length), LaxCompareFlags_, Locale_);
2295         _end
2296     _end
2297 }
2298
2299 CFComparisonResult PackageNameCompare_(Package **lhs, Package **rhs, void *context) {
2300     return PackageNameCompare(*lhs, *rhs, context);
2301 }
2302
2303 struct PackageNameOrdering :
2304     std::binary_function<Package *, Package *, bool>
2305 {
2306     _finline bool operator ()(Package *lhs, Package *rhs) const {
2307         return PackageNameCompare(lhs, rhs, NULL) == NSOrderedAscending;
2308     }
2309 };
2310
2311 @implementation Package
2312
2313 - (NSString *) description {
2314     return [NSString stringWithFormat:@"<Package:%@>", static_cast<NSString *>(name_)];
2315 }
2316
2317 - (void) dealloc {
2318     if (parsed_ != NULL)
2319         delete parsed_;
2320     if (source_ != nil)
2321         [source_ release];
2322     if (tags_ != nil)
2323         [tags_ release];
2324     [super dealloc];
2325 }
2326
2327 + (NSString *) webScriptNameForSelector:(SEL)selector {
2328     if (false);
2329     else if (selector == @selector(clear))
2330         return @"clear";
2331     else if (selector == @selector(getField:))
2332         return @"getField";
2333     else if (selector == @selector(hasTag:))
2334         return @"hasTag";
2335     else if (selector == @selector(install))
2336         return @"install";
2337     else if (selector == @selector(remove))
2338         return @"remove";
2339     else
2340         return nil;
2341 }
2342
2343 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
2344     return [self webScriptNameForSelector:selector] == nil;
2345 }
2346
2347 + (NSArray *) _attributeKeys {
2348     return [NSArray arrayWithObjects:
2349         @"applications",
2350         @"author",
2351         @"depiction",
2352         @"essential",
2353         @"homepage",
2354         @"icon",
2355         @"id",
2356         @"installed",
2357         @"latest",
2358         @"longDescription",
2359         @"longSection",
2360         @"maintainer",
2361         @"mode",
2362         @"name",
2363         @"purposes",
2364         @"relations",
2365         @"section",
2366         @"selection",
2367         @"shortDescription",
2368         @"shortSection",
2369         @"simpleSection",
2370         @"size",
2371         @"source",
2372         @"sponsor",
2373         @"state",
2374         @"support",
2375         @"tags",
2376         @"warnings",
2377     nil];
2378 }
2379
2380 - (NSArray *) attributeKeys {
2381     return [[self class] _attributeKeys];
2382 }
2383
2384 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
2385     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
2386 }
2387
2388 - (NSArray *) relations {
2389 @synchronized (database_) {
2390     NSMutableArray *relations([NSMutableArray arrayWithCapacity:16]);
2391     for (pkgCache::DepIterator dep(version_.DependsList()); !dep.end(); ++dep)
2392         [relations addObject:[[[CydiaRelation alloc] initWithIterator:dep] autorelease]];
2393     return relations;
2394 } }
2395
2396 - (NSString *) getField:(NSString *)name {
2397 @synchronized (database_) {
2398     if ([database_ era] != era_ || file_.end())
2399         return nil;
2400
2401     pkgRecords::Parser &parser([database_ records]->Lookup(file_));
2402
2403     const char *start, *end;
2404     if (!parser.Find([name UTF8String], start, end))
2405         return (NSString *) [NSNull null];
2406
2407     return [(NSString *) CYStringCreate(start, end - start) autorelease];
2408 } }
2409
2410 - (void) parse {
2411     if (parsed_ != NULL)
2412         return;
2413 @synchronized (database_) {
2414     if ([database_ era] != era_ || file_.end())
2415         return;
2416
2417     ParsedPackage *parsed(new ParsedPackage);
2418     parsed_ = parsed;
2419
2420     _profile(Package$parse)
2421         pkgRecords::Parser *parser;
2422
2423         _profile(Package$parse$Lookup)
2424             parser = &[database_ records]->Lookup(file_);
2425         _end
2426
2427         CYString website;
2428
2429         _profile(Package$parse$Find)
2430             struct {
2431                 const char *name_;
2432                 CYString *value_;
2433             } names[] = {
2434                 {"icon", &parsed->icon_},
2435                 {"depiction", &parsed->depiction_},
2436                 {"homepage", &parsed->homepage_},
2437                 {"website", &website},
2438                 {"bugs", &parsed->bugs_},
2439                 {"support", &parsed->support_},
2440                 {"sponsor", &parsed->sponsor_},
2441                 {"author", &parsed->author_},
2442             };
2443
2444             for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i) {
2445                 const char *start, *end;
2446
2447                 if (parser->Find(names[i].name_, start, end)) {
2448                     CYString &value(*names[i].value_);
2449                     _profile(Package$parse$Value)
2450                         value.set(pool_, start, end - start);
2451                     _end
2452                 }
2453             }
2454         _end
2455
2456         _profile(Package$parse$Tagline)
2457             const char *start, *end;
2458             if (parser->ShortDesc(start, end)) {
2459                 const char *stop(reinterpret_cast<const char *>(memchr(start, '\n', end - start)));
2460                 if (stop == NULL)
2461                     stop = end;
2462                 while (stop != start && stop[-1] == '\r')
2463                     --stop;
2464                 parsed->tagline_.set(pool_, start, stop - start);
2465             }
2466         _end
2467
2468         _profile(Package$parse$Retain)
2469             if (parsed->homepage_.empty())
2470                 parsed->homepage_ = website;
2471             if (parsed->homepage_ == parsed->depiction_)
2472                 parsed->homepage_.clear();
2473         _end
2474     _end
2475 } }
2476
2477 - (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database {
2478     if ((self = [super init]) != nil) {
2479     _profile(Package$initWithVersion)
2480         pool_ = pool;
2481
2482         database_ = database;
2483         era_ = [database era];
2484
2485         version_ = version;
2486
2487         pkgCache::PkgIterator iterator(version.ParentPkg());
2488         iterator_ = iterator;
2489
2490         _profile(Package$initWithVersion$Version)
2491             if (!version_.end())
2492                 file_ = version_.FileList();
2493             else {
2494                 pkgCache &cache([database_ cache]);
2495                 file_ = pkgCache::VerFileIterator(cache, cache.VerFileP);
2496             }
2497         _end
2498
2499         _profile(Package$initWithVersion$Cache)
2500             name_.set(NULL, iterator.Display());
2501
2502             latest_.set(NULL, StripVersion_(version_.VerStr()));
2503
2504             pkgCache::VerIterator current(iterator.CurrentVer());
2505             if (!current.end())
2506                 installed_.set(NULL, StripVersion_(current.VerStr()));
2507         _end
2508
2509         _profile(Package$initWithVersion$Tags)
2510             pkgCache::TagIterator tag(iterator.TagList());
2511             if (!tag.end()) {
2512                 tags_ = [[NSMutableArray alloc] initWithCapacity:8];
2513                 do {
2514                     const char *name(tag.Name());
2515                     [tags_ addObject:[(NSString *)CYStringCreate(name) autorelease]];
2516
2517                     if (role_ == 0 && strncmp(name, "role::", 6) == 0 /*&& strcmp(name, "role::leaper") != 0*/) {
2518                         if (strcmp(name + 6, "enduser") == 0)
2519                             role_ = 1;
2520                         else if (strcmp(name + 6, "hacker") == 0)
2521                             role_ = 2;
2522                         else if (strcmp(name + 6, "developer") == 0)
2523                             role_ = 3;
2524                         else if (strcmp(name + 6, "cydia") == 0)
2525                             role_ = 7;
2526                         else
2527                             role_ = 4;
2528                     }
2529
2530                     if (strncmp(name, "cydia::", 7) == 0) {
2531                         if (strcmp(name + 7, "essential") == 0)
2532                             essential_ = true;
2533                         else if (strcmp(name + 7, "obsolete") == 0)
2534                             obsolete_ = true;
2535                     }
2536
2537                     ++tag;
2538                 } while (!tag.end());
2539             }
2540         _end
2541
2542         _profile(Package$initWithVersion$Metadata)
2543             const char *mixed(iterator.Name());
2544             size_t size(strlen(mixed));
2545             char lower[size + 1];
2546
2547             for (size_t i(0); i != size; ++i)
2548                 lower[i] = mixed[i] | 0x20;
2549             lower[size] = '\0';
2550
2551             PackageValue *metadata(PackageFind(lower, size));
2552             metadata_ = metadata;
2553
2554             id_.set(NULL, metadata->name_, size);
2555
2556             const char *latest(version_.VerStr());
2557             size_t length(strlen(latest));
2558
2559             uint16_t vhash(hashlittle(latest, length));
2560
2561             size_t capped(std::min<size_t>(8, length));
2562             latest = latest + length - capped;
2563
2564             if (metadata->first_ == 0)
2565                 metadata->first_ = now_;
2566
2567             if (metadata->vhash_ != vhash || strncmp(metadata->version_, latest, sizeof(metadata->version_)) != 0) {
2568                 strncpy(metadata->version_, latest, sizeof(metadata->version_));
2569                 metadata->vhash_ = vhash;
2570                 metadata->last_ = now_;
2571             } else if (metadata->last_ == 0)
2572                 metadata->last_ = metadata->first_;
2573         _end
2574
2575         _profile(Package$initWithVersion$Section)
2576             section_ = iterator.Section();
2577         _end
2578
2579         _profile(Package$initWithVersion$Flags)
2580             essential_ |= ((iterator->Flags & pkgCache::Flag::Essential) == 0 ? NO : YES);
2581             ignored_ = iterator->SelectedState == pkgCache::State::Hold;
2582         _end
2583     _end } return self;
2584 }
2585
2586 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database {
2587     pkgCache::VerIterator version;
2588
2589     _profile(Package$packageWithIterator$GetCandidateVer)
2590         version = [database policy]->GetCandidateVer(iterator);
2591     _end
2592
2593     if (version.end())
2594         return nil;
2595
2596     Package *package;
2597
2598     _profile(Package$packageWithIterator$Allocate)
2599         package = [Package allocWithZone:zone];
2600     _end
2601
2602     _profile(Package$packageWithIterator$Initialize)
2603         package = [package
2604             initWithVersion:version
2605             withZone:zone
2606             inPool:pool
2607             database:database
2608         ];
2609     _end
2610
2611     _profile(Package$packageWithIterator$Autorelease)
2612         package = [package autorelease];
2613     _end
2614
2615     return package;
2616 }
2617
2618 - (pkgCache::PkgIterator) iterator {
2619     return iterator_;
2620 }
2621
2622 - (NSString *) section {
2623     if (section$_ == nil) {
2624         if (section_ == NULL)
2625             return nil;
2626
2627         _profile(Package$section$mappedSectionForPointer)
2628             section$_ = [database_ mappedSectionForPointer:section_];
2629         _end
2630     } return section$_;
2631 }
2632
2633 - (NSString *) simpleSection {
2634     if (NSString *section = [self section])
2635         return Simplify(section);
2636     else
2637         return nil;
2638 }
2639
2640 - (NSString *) longSection {
2641     return LocalizeSection([self section]);
2642 }
2643
2644 - (NSString *) shortSection {
2645     return [[NSBundle mainBundle] localizedStringForKey:[self simpleSection] value:nil table:@"Sections"];
2646 }
2647
2648 - (NSString *) uri {
2649     return nil;
2650 #if 0
2651     pkgIndexFile *index;
2652     pkgCache::PkgFileIterator file(file_.File());
2653     if (![database_ list].FindIndex(file, index))
2654         return nil;
2655     return [NSString stringWithUTF8String:iterator_->Path];
2656     //return [NSString stringWithUTF8String:file.Site()];
2657     //return [NSString stringWithUTF8String:index->ArchiveURI(file.FileName()).c_str()];
2658 #endif
2659 }
2660
2661 - (Address *) maintainer {
2662 @synchronized (database_) {
2663     if ([database_ era] != era_ || file_.end())
2664         return nil;
2665
2666     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
2667     const std::string &maintainer(parser->Maintainer());
2668     return maintainer.empty() ? nil : [Address addressWithString:[NSString stringWithUTF8String:maintainer.c_str()]];
2669 } }
2670
2671 - (size_t) size {
2672 @synchronized (database_) {
2673     if ([database_ era] != era_ || version_.end())
2674         return 0;
2675
2676     return version_->InstalledSize;
2677 } }
2678
2679 - (NSString *) longDescription {
2680 @synchronized (database_) {
2681     if ([database_ era] != era_ || file_.end())
2682         return nil;
2683
2684     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
2685     NSString *description([NSString stringWithUTF8String:parser->LongDesc().c_str()]);
2686
2687     NSArray *lines = [description componentsSeparatedByString:@"\n"];
2688     NSMutableArray *trimmed = [NSMutableArray arrayWithCapacity:([lines count] - 1)];
2689     if ([lines count] < 2)
2690         return nil;
2691
2692     NSCharacterSet *whitespace = [NSCharacterSet whitespaceCharacterSet];
2693     for (size_t i(1), e([lines count]); i != e; ++i) {
2694         NSString *trim = [[lines objectAtIndex:i] stringByTrimmingCharactersInSet:whitespace];
2695         [trimmed addObject:trim];
2696     }
2697
2698     return [trimmed componentsJoinedByString:@"\n"];
2699 } }
2700
2701 - (NSString *) shortDescription {
2702     return parsed_ == NULL ? nil : static_cast<NSString *>(parsed_->tagline_);
2703 }
2704
2705 - (unichar) index {
2706     _profile(Package$index)
2707         CFStringRef name((CFStringRef) [self name]);
2708         if (CFStringGetLength(name) == 0)
2709             return '#';
2710         UniChar character(CFStringGetCharacterAtIndex(name, 0));
2711         if (!CFUniCharIsMemberOf(character, kCFUniCharLetterCharacterSet))
2712             return '#';
2713         return toupper(character);
2714     _end
2715 }
2716
2717 - (PackageValue *) metadata {
2718     return metadata_;
2719 }
2720
2721 - (time_t) seen {
2722     PackageValue *metadata([self metadata]);
2723     return metadata->subscribed_ ? metadata->last_ : metadata->first_;
2724 }
2725
2726 - (bool) subscribed {
2727     return [self metadata]->subscribed_;
2728 }
2729
2730 - (bool) setSubscribed:(bool)subscribed {
2731     PackageValue *metadata([self metadata]);
2732     if (metadata->subscribed_ == subscribed)
2733         return false;
2734     metadata->subscribed_ = subscribed;
2735     return true;
2736 }
2737
2738 - (BOOL) ignored {
2739     return ignored_;
2740 }
2741
2742 - (NSString *) latest {
2743     return latest_;
2744 }
2745
2746 - (NSString *) installed {
2747     return installed_;
2748 }
2749
2750 - (BOOL) uninstalled {
2751     return installed_.empty();
2752 }
2753
2754 - (BOOL) valid {
2755     return !version_.end();
2756 }
2757
2758 - (BOOL) upgradableAndEssential:(BOOL)essential {
2759     _profile(Package$upgradableAndEssential)
2760         pkgCache::VerIterator current(iterator_.CurrentVer());
2761         if (current.end())
2762             return essential && essential_;
2763         else
2764             return !version_.end() && version_ != current;
2765     _end
2766 }
2767
2768 - (BOOL) essential {
2769     return essential_;
2770 }
2771
2772 - (BOOL) broken {
2773     return [database_ cache][iterator_].InstBroken();
2774 }
2775
2776 - (BOOL) unfiltered {
2777     _profile(Package$unfiltered$obsolete)
2778         if (_unlikely(obsolete_))
2779             return false;
2780     _end
2781
2782     _profile(Package$unfiltered$hasSupportingRole)
2783         if (_unlikely(![self hasSupportingRole]))
2784             return false;
2785     _end
2786
2787     return true;
2788 }
2789
2790 - (BOOL) visible {
2791     if (![self unfiltered])
2792         return false;
2793
2794     NSString *section;
2795
2796     _profile(Package$visible$section)
2797         section = [self section];
2798     _end
2799
2800     _profile(Package$visible$isSectionVisible)
2801         if (!isSectionVisible(section))
2802             return false;
2803     _end
2804
2805     return true;
2806 }
2807
2808 - (BOOL) half {
2809     unsigned char current(iterator_->CurrentState);
2810     return current == pkgCache::State::HalfConfigured || current == pkgCache::State::HalfInstalled;
2811 }
2812
2813 - (BOOL) halfConfigured {
2814     return iterator_->CurrentState == pkgCache::State::HalfConfigured;
2815 }
2816
2817 - (BOOL) halfInstalled {
2818     return iterator_->CurrentState == pkgCache::State::HalfInstalled;
2819 }
2820
2821 - (BOOL) hasMode {
2822     pkgDepCache::StateCache &state([database_ cache][iterator_]);
2823     return state.Mode != pkgDepCache::ModeKeep;
2824 }
2825
2826 - (NSString *) mode {
2827     pkgDepCache::StateCache &state([database_ cache][iterator_]);
2828
2829     switch (state.Mode) {
2830         case pkgDepCache::ModeDelete:
2831             if ((state.iFlags & pkgDepCache::Purge) != 0)
2832                 return @"PURGE";
2833             else
2834                 return @"REMOVE";
2835         case pkgDepCache::ModeKeep:
2836             if ((state.iFlags & pkgDepCache::ReInstall) != 0)
2837                 return @"REINSTALL";
2838             /*else if ((state.iFlags & pkgDepCache::AutoKept) != 0)
2839                 return nil;*/
2840             else
2841                 return nil;
2842         case pkgDepCache::ModeInstall:
2843             /*if ((state.iFlags & pkgDepCache::ReInstall) != 0)
2844                 return @"REINSTALL";
2845             else*/ switch (state.Status) {
2846                 case -1:
2847                     return @"DOWNGRADE";
2848                 case 0:
2849                     return @"INSTALL";
2850                 case 1:
2851                     return @"UPGRADE";
2852                 case 2:
2853                     return @"NEW_INSTALL";
2854                 _nodefault
2855             }
2856         _nodefault
2857     }
2858 }
2859
2860 - (NSString *) id {
2861     return id_;
2862 }
2863
2864 - (NSString *) name {
2865     return name_.empty() ? id_ : name_;
2866 }
2867
2868 - (UIImage *) icon {
2869     NSString *section = [self simpleSection];
2870
2871     UIImage *icon(nil);
2872     if (parsed_ != NULL)
2873         if (NSString *href = parsed_->icon_)
2874             if ([href hasPrefix:@"file:///"])
2875                 // XXX: correct escaping
2876                 icon = [UIImage imageAtPath:[href substringFromIndex:7]];
2877     if (icon == nil) if (section != nil)
2878         icon = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, section]];
2879     if (icon == nil) if (Source *source = [self source]) if (NSString *dicon = [source defaultIcon])
2880         if ([dicon hasPrefix:@"file:///"])
2881             // XXX: correct escaping
2882             icon = [UIImage imageAtPath:[dicon substringFromIndex:7]];
2883     if (icon == nil)
2884         icon = [UIImage applicationImageNamed:@"unknown.png"];
2885     return icon;
2886 }
2887
2888 - (NSString *) homepage {
2889     return parsed_ == NULL ? nil : static_cast<NSString *>(parsed_->homepage_);
2890 }
2891
2892 - (NSString *) depiction {
2893     return parsed_ != NULL && !parsed_->depiction_.empty() ? parsed_->depiction_ : [[self source] depictionForPackage:id_];
2894 }
2895
2896 - (Address *) sponsor {
2897     return parsed_ == NULL || parsed_->sponsor_.empty() ? nil : [Address addressWithString:parsed_->sponsor_];
2898 }
2899
2900 - (Address *) author {
2901     return parsed_ == NULL || parsed_->author_.empty() ? nil : [Address addressWithString:parsed_->author_];
2902 }
2903
2904 - (NSString *) support {
2905     return parsed_ != NULL && !parsed_->bugs_.empty() ? parsed_->bugs_ : [[self source] supportForPackage:id_];
2906 }
2907
2908 - (NSArray *) files {
2909     NSString *path = [NSString stringWithFormat:@"/var/lib/dpkg/info/%@.list", static_cast<NSString *>(id_)];
2910     NSMutableArray *files = [NSMutableArray arrayWithCapacity:128];
2911
2912     std::ifstream fin;
2913     fin.open([path UTF8String]);
2914     if (!fin.is_open())
2915         return nil;
2916
2917     std::string line;
2918     while (std::getline(fin, line))
2919         [files addObject:[NSString stringWithUTF8String:line.c_str()]];
2920
2921     return files;
2922 }
2923
2924 - (NSString *) state {
2925 @synchronized (database_) {
2926     if ([database_ era] != era_ || file_.end())
2927         return nil;
2928
2929     switch (iterator_->CurrentState) {
2930         case pkgCache::State::NotInstalled:
2931             return @"NotInstalled";
2932         case pkgCache::State::UnPacked:
2933             return @"UnPacked";
2934         case pkgCache::State::HalfConfigured:
2935             return @"HalfConfigured";
2936         case pkgCache::State::HalfInstalled:
2937             return @"HalfInstalled";
2938         case pkgCache::State::ConfigFiles:
2939             return @"ConfigFiles";
2940         case pkgCache::State::Installed:
2941             return @"Installed";
2942         case pkgCache::State::TriggersAwaited:
2943             return @"TriggersAwaited";
2944         case pkgCache::State::TriggersPending:
2945             return @"TriggersPending";
2946     }
2947
2948     return (NSString *) [NSNull null];
2949 } }
2950
2951 - (NSString *) selection {
2952 @synchronized (database_) {
2953     if ([database_ era] != era_ || file_.end())
2954         return nil;
2955
2956     switch (iterator_->SelectedState) {
2957         case pkgCache::State::Unknown:
2958             return @"Unknown";
2959         case pkgCache::State::Install:
2960             return @"Install";
2961         case pkgCache::State::Hold:
2962             return @"Hold";
2963         case pkgCache::State::DeInstall:
2964             return @"DeInstall";
2965         case pkgCache::State::Purge:
2966             return @"Purge";
2967     }
2968
2969     return (NSString *) [NSNull null];
2970 } }
2971
2972 - (NSArray *) warnings {
2973     NSMutableArray *warnings([NSMutableArray arrayWithCapacity:4]);
2974     const char *name(iterator_.Name());
2975
2976     size_t length(strlen(name));
2977     if (length < 2) invalid:
2978         [warnings addObject:UCLocalize("ILLEGAL_PACKAGE_IDENTIFIER")];
2979     else for (size_t i(0); i != length; ++i)
2980         if (
2981             /* XXX: technically this is not allowed */
2982             (name[i] < 'A' || name[i] > 'Z') &&
2983             (name[i] < 'a' || name[i] > 'z') &&
2984             (name[i] < '0' || name[i] > '9') &&
2985             (i == 0 || name[i] != '+' && name[i] != '-' && name[i] != '.')
2986         ) goto invalid;
2987
2988     if (strcmp(name, "cydia") != 0) {
2989         bool cydia = false;
2990         bool user = false;
2991         bool _private = false;
2992         bool stash = false;
2993
2994         bool repository = [[self section] isEqualToString:@"Repositories"];
2995
2996         if (NSArray *files = [self files])
2997             for (NSString *file in files)
2998                 if (!cydia && [file isEqualToString:@"/Applications/Cydia.app"])
2999                     cydia = true;
3000                 else if (!user && [file isEqualToString:@"/User"])
3001                     user = true;
3002                 else if (!_private && [file isEqualToString:@"/private"])
3003                     _private = true;
3004                 else if (!stash && [file isEqualToString:@"/var/stash"])
3005                     stash = true;
3006
3007         /* XXX: this is not sensitive enough. only some folders are valid. */
3008         if (cydia && !repository)
3009             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"Cydia.app"]];
3010         if (user)
3011             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/User"]];
3012         if (_private)
3013             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/private"]];
3014         if (stash)
3015             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/var/stash"]];
3016     }
3017
3018     return [warnings count] == 0 ? nil : warnings;
3019 }
3020
3021 - (NSArray *) applications {
3022     NSString *me([[NSBundle mainBundle] bundleIdentifier]);
3023
3024     NSMutableArray *applications([NSMutableArray arrayWithCapacity:2]);
3025
3026     static Pcre application_r("^/Applications/(.*)\\.app/Info.plist$");
3027     if (NSArray *files = [self files])
3028         for (NSString *file in files)
3029             if (application_r(file)) {
3030                 NSDictionary *info([NSDictionary dictionaryWithContentsOfFile:file]);
3031                 NSString *id([info objectForKey:@"CFBundleIdentifier"]);
3032                 if ([id isEqualToString:me])
3033                     continue;
3034
3035                 NSString *display([info objectForKey:@"CFBundleDisplayName"]);
3036                 if (display == nil)
3037                     display = application_r[1];
3038
3039                 NSString *bundle([file stringByDeletingLastPathComponent]);
3040                 NSString *icon([info objectForKey:@"CFBundleIconFile"]);
3041                 if (icon == nil || [icon length] == 0)
3042                     icon = @"icon.png";
3043                 NSURL *url([NSURL fileURLWithPath:[bundle stringByAppendingPathComponent:icon]]);
3044
3045                 NSMutableArray *application([NSMutableArray arrayWithCapacity:2]);
3046                 [applications addObject:application];
3047
3048                 [application addObject:id];
3049                 [application addObject:display];
3050                 [application addObject:url];
3051             }
3052
3053     return [applications count] == 0 ? nil : applications;
3054 }
3055
3056 - (Source *) source {
3057     if (source_ == nil) {
3058         @synchronized (database_) {
3059             if ([database_ era] != era_ || file_.end())
3060                 source_ = (Source *) [NSNull null];
3061             else
3062                 source_ = [([database_ getSource:file_.File()] ?: (Source *) [NSNull null]) retain];
3063         }
3064     }
3065
3066     return source_ == (Source *) [NSNull null] ? nil : source_;
3067 }
3068
3069 - (BOOL) matches:(NSString *)text {
3070     if (text == nil)
3071         return NO;
3072
3073     NSRange range;
3074
3075     range = [[self id] rangeOfString:text options:MatchCompareOptions_];
3076     if (range.location != NSNotFound)
3077         return YES;
3078
3079     range = [[self name] rangeOfString:text options:MatchCompareOptions_];
3080     if (range.location != NSNotFound)
3081         return YES;
3082
3083     [self parse];
3084
3085     range = [[self shortDescription] rangeOfString:text options:MatchCompareOptions_];
3086     if (range.location != NSNotFound)
3087         return YES;
3088
3089     return NO;
3090 }
3091
3092 - (bool) hasSupportingRole {
3093     if (role_ == 0)
3094         return true;
3095     if (role_ == 1)
3096         return true;
3097     if ([Role_ isEqualToString:@"User"])
3098         return false;
3099     if (role_ == 2)
3100         return true;
3101     if ([Role_ isEqualToString:@"Hacker"])
3102         return false;
3103     if (role_ == 3)
3104         return true;
3105     if ([Role_ isEqualToString:@"Developer"])
3106         return false;
3107     _assert(false);
3108 }
3109
3110 - (NSArray *) tags {
3111     return tags_;
3112 }
3113
3114 - (BOOL) hasTag:(NSString *)tag {
3115     return tags_ == nil ? NO : [tags_ containsObject:tag];
3116 }
3117
3118 - (NSString *) primaryPurpose {
3119     for (NSString *tag in tags_)
3120         if ([tag hasPrefix:@"purpose::"])
3121             return [tag substringFromIndex:9];
3122     return nil;
3123 }
3124
3125 - (NSArray *) purposes {
3126     NSMutableArray *purposes([NSMutableArray arrayWithCapacity:2]);
3127     for (NSString *tag in tags_)
3128         if ([tag hasPrefix:@"purpose::"])
3129             [purposes addObject:[tag substringFromIndex:9]];
3130     return [purposes count] == 0 ? nil : purposes;
3131 }
3132
3133 - (bool) isCommercial {
3134     return [self hasTag:@"cydia::commercial"];
3135 }
3136
3137 - (void) setIndex:(size_t)index {
3138     if (metadata_->index_ != index)
3139         metadata_->index_ = index;
3140 }
3141
3142 - (CYString &) cyname {
3143     return name_.empty() ? id_ : name_;
3144 }
3145
3146 - (uint32_t) compareBySection:(NSArray *)sections {
3147     NSString *section([self section]);
3148     for (size_t i(0), e([sections count]); i != e; ++i) {
3149         if ([section isEqualToString:[[sections objectAtIndex:i] name]])
3150             return i;
3151     }
3152
3153     return _not(uint32_t);
3154 }
3155
3156 - (void) clear {
3157 @synchronized (database_) {
3158     pkgProblemResolver *resolver = [database_ resolver];
3159     resolver->Clear(iterator_);
3160
3161     pkgCacheFile &cache([database_ cache]);
3162     cache->SetReInstall(iterator_, false);
3163     cache->MarkKeep(iterator_, false);
3164 } }
3165
3166 - (void) install {
3167 @synchronized (database_) {
3168     pkgProblemResolver *resolver = [database_ resolver];
3169     resolver->Clear(iterator_);
3170     resolver->Protect(iterator_);
3171
3172     pkgCacheFile &cache([database_ cache]);
3173     cache->SetReInstall(iterator_, false);
3174     cache->MarkInstall(iterator_, false);
3175
3176     pkgDepCache::StateCache &state((*cache)[iterator_]);
3177     if (!state.Install())
3178         cache->SetReInstall(iterator_, true);
3179 } }
3180
3181 - (void) remove {
3182 @synchronized (database_) {
3183     pkgProblemResolver *resolver = [database_ resolver];
3184     resolver->Clear(iterator_);
3185     resolver->Remove(iterator_);
3186     resolver->Protect(iterator_);
3187
3188     pkgCacheFile &cache([database_ cache]);
3189     cache->SetReInstall(iterator_, false);
3190     cache->MarkDelete(iterator_, true);
3191 } }
3192
3193 - (bool) isUnfilteredAndSearchedForBy:(NSString *)search {
3194     _profile(Package$isUnfilteredAndSearchedForBy)
3195         bool value(true);
3196
3197         _profile(Package$isUnfilteredAndSearchedForBy$Unfiltered)
3198             value &= [self unfiltered];
3199         _end
3200
3201         _profile(Package$isUnfilteredAndSearchedForBy$Match)
3202             value &= [self matches:search];
3203         _end
3204
3205         return value;
3206     _end
3207 }
3208
3209 - (bool) isUnfilteredAndSelectedForBy:(NSString *)search {
3210     if ([search length] == 0)
3211         return false;
3212
3213     _profile(Package$isUnfilteredAndSelectedForBy)
3214         bool value(true);
3215
3216         _profile(Package$isUnfilteredAndSelectedForBy$Unfiltered)
3217             value &= [self unfiltered];
3218         _end
3219
3220         _profile(Package$isUnfilteredAndSelectedForBy$Match)
3221             value &= [[self name] compare:search options:MatchCompareOptions_ range:NSMakeRange(0, [search length])] == NSOrderedSame;
3222         _end
3223
3224         return value;
3225     _end
3226 }
3227
3228 - (bool) isInstalledAndUnfiltered:(NSNumber *)number {
3229     return ![self uninstalled] && (![number boolValue] && role_ != 7 || [self unfiltered]);
3230 }
3231
3232 - (bool) isVisibleInSection:(NSString *)name {
3233     NSString *section([self section]);
3234
3235     return (
3236         name == nil ||
3237         section == nil && [name length] == 0 ||
3238         [name isEqualToString:section]
3239     ) && [self visible];
3240 }
3241
3242 - (bool) isVisibleInSource:(Source *)source {
3243     return [self source] == source && [self visible];
3244 }
3245
3246 @end
3247 /* }}} */
3248 /* Section Class {{{ */
3249 @interface Section : NSObject {
3250     NSString *name_;
3251     unichar index_;
3252     size_t row_;
3253     size_t count_;
3254     NSString *localized_;
3255 }
3256
3257 - (NSComparisonResult) compareByLocalized:(Section *)section;
3258 - (Section *) initWithName:(NSString *)name localized:(NSString *)localized;
3259 - (Section *) initWithName:(NSString *)name localize:(BOOL)localize;
3260 - (Section *) initWithName:(NSString *)name row:(size_t)row localize:(BOOL)localize;
3261 - (Section *) initWithIndex:(unichar)index row:(size_t)row;
3262 - (NSString *) name;
3263 - (unichar) index;
3264
3265 - (size_t) row;
3266 - (size_t) count;
3267
3268 - (void) addToRow;
3269 - (void) addToCount;
3270
3271 - (void) setCount:(size_t)count;
3272 - (NSString *) localized;
3273
3274 @end
3275
3276 @implementation Section
3277
3278 - (void) dealloc {
3279     [name_ release];
3280     if (localized_ != nil)
3281         [localized_ release];
3282     [super dealloc];
3283 }
3284
3285 - (NSComparisonResult) compareByLocalized:(Section *)section {
3286     NSString *lhs(localized_);
3287     NSString *rhs([section localized]);
3288
3289     /*if ([lhs length] != 0 && [rhs length] != 0) {
3290         unichar lhc = [lhs characterAtIndex:0];
3291         unichar rhc = [rhs characterAtIndex:0];
3292
3293         if (isalpha(lhc) && !isalpha(rhc))
3294             return NSOrderedAscending;
3295         else if (!isalpha(lhc) && isalpha(rhc))
3296             return NSOrderedDescending;
3297     }*/
3298
3299     return [lhs compare:rhs options:LaxCompareOptions_];
3300 }
3301
3302 - (Section *) initWithName:(NSString *)name localized:(NSString *)localized {
3303     if ((self = [self initWithName:name localize:NO]) != nil) {
3304         if (localized != nil)
3305             localized_ = [localized retain];
3306     } return self;
3307 }
3308
3309 - (Section *) initWithName:(NSString *)name localize:(BOOL)localize {
3310     return [self initWithName:name row:0 localize:localize];
3311 }
3312
3313 - (Section *) initWithName:(NSString *)name row:(size_t)row localize:(BOOL)localize {
3314     if ((self = [super init]) != nil) {
3315         name_ = [name retain];
3316         index_ = '\0';
3317         row_ = row;
3318         if (localize)
3319             localized_ = [LocalizeSection(name_) retain];
3320     } return self;
3321 }
3322
3323 /* XXX: localize the index thingees */
3324 - (Section *) initWithIndex:(unichar)index row:(size_t)row {
3325     if ((self = [super init]) != nil) {
3326         name_ = [[NSString stringWithCharacters:&index length:1] retain];
3327         index_ = index;
3328         row_ = row;
3329     } return self;
3330 }
3331
3332 - (NSString *) name {
3333     return name_;
3334 }
3335
3336 - (unichar) index {
3337     return index_;
3338 }
3339
3340 - (size_t) row {
3341     return row_;
3342 }
3343
3344 - (size_t) count {
3345     return count_;
3346 }
3347
3348 - (void) addToRow {
3349     ++row_;
3350 }
3351
3352 - (void) addToCount {
3353     ++count_;
3354 }
3355
3356 - (void) setCount:(size_t)count {
3357     count_ = count;
3358 }
3359
3360 - (NSString *) localized {
3361     return localized_;
3362 }
3363
3364 @end
3365 /* }}} */
3366
3367 static NSString *Colon_;
3368 static NSString *Elision_;
3369 static NSString *Error_;
3370 static NSString *Warning_;
3371
3372 /* Database Implementation {{{ */
3373 @implementation Database
3374
3375 + (Database *) sharedInstance {
3376     static Database *instance;
3377     if (instance == nil)
3378         instance = [[Database alloc] init];
3379     return instance;
3380 }
3381
3382 - (unsigned) era {
3383     return era_;
3384 }
3385
3386 - (void) releasePackages {
3387     CFArrayApplyFunction(packages_, CFRangeMake(0, CFArrayGetCount(packages_)), reinterpret_cast<CFArrayApplierFunction>(&CFRelease), NULL);
3388     CFArrayRemoveAllValues(packages_);
3389 }
3390
3391 - (void) dealloc {
3392     // XXX: actually implement this thing
3393     _assert(false);
3394     [sourceList_ release];
3395     [self releasePackages];
3396     apr_pool_destroy(pool_);
3397     NSRecycleZone(zone_);
3398     [super dealloc];
3399 }
3400
3401 - (void) _readCydia:(NSNumber *)fd { _pooled
3402     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3403     std::istream is(&ib);
3404     std::string line;
3405
3406     static Pcre finish_r("^finish:([^:]*)$");
3407
3408     while (std::getline(is, line)) {
3409         const char *data(line.c_str());
3410         size_t size = line.size();
3411         lprintf("C:%s\n", data);
3412
3413         if (finish_r(data, size)) {
3414             NSString *finish = finish_r[1];
3415             int index = [Finishes_ indexOfObject:finish];
3416             if (index != INT_MAX && index > Finish_)
3417                 Finish_ = index;
3418         }
3419     }
3420
3421     _assume(false);
3422 }
3423
3424 - (void) _readStatus:(NSNumber *)fd { _pooled
3425     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3426     std::istream is(&ib);
3427     std::string line;
3428
3429     static Pcre conffile_r("^status: [^ ]* : conffile-prompt : (.*?) *$");
3430     static Pcre pmstatus_r("^([^:]*):([^:]*):([^:]*):(.*)$");
3431
3432     while (std::getline(is, line)) {
3433         const char *data(line.c_str());
3434         size_t size(line.size());
3435         lprintf("S:%s\n", data);
3436
3437         if (conffile_r(data, size)) {
3438             // status: /fail : conffile-prompt : '/fail' '/fail.dpkg-new' 1 1
3439             [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:conffile_r[1] waitUntilDone:YES];
3440         } else if (strncmp(data, "status: ", 8) == 0) {
3441             // status: <package>: {unpacked,half-configured,installed}
3442             CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:(data + 8)] ofType:@"STATUS"]);
3443             [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3444         } else if (strncmp(data, "processing: ", 12) == 0) {
3445             // processing: configure: config-test
3446             CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:(data + 12)] ofType:@"STATUS"]);
3447             [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3448         } else if (pmstatus_r(data, size)) {
3449             std::string type([pmstatus_r[1] UTF8String]);
3450
3451             NSString *package = pmstatus_r[2];
3452             if ([package isEqualToString:@"dpkg-exec"])
3453                 package = nil;
3454
3455             float percent([pmstatus_r[3] floatValue]);
3456             [progress_ performSelectorOnMainThread:@selector(setProgressPercent:) withObject:[NSNumber numberWithFloat:(percent / 100)] waitUntilDone:YES];
3457
3458             NSString *string = pmstatus_r[4];
3459
3460             if (type == "pmerror") {
3461                 CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:@"ERROR" forPackage:package]);
3462                 [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3463             } else if (type == "pmstatus") {
3464                 CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:@"STATUS" forPackage:package]);
3465                 [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3466             } else if (type == "pmconffile")
3467                 [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:string waitUntilDone:YES];
3468             else
3469                 lprintf("E:unknown pmstatus\n");
3470         } else
3471             lprintf("E:unknown status\n");
3472     }
3473
3474     _assume(false);
3475 }
3476
3477 - (void) _readOutput:(NSNumber *)fd { _pooled
3478     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3479     std::istream is(&ib);
3480     std::string line;
3481
3482     while (std::getline(is, line)) {
3483         lprintf("O:%s\n", line.c_str());
3484
3485         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:line.c_str()] ofType:@"INFORMATION"]);
3486         [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3487     }
3488
3489     _assume(false);
3490 }
3491
3492 - (FILE *) input {
3493     return input_;
3494 }
3495
3496 - (Package *) packageWithName:(NSString *)name {
3497 @synchronized (self) {
3498     if (static_cast<pkgDepCache *>(cache_) == NULL)
3499         return nil;
3500     pkgCache::PkgIterator iterator(cache_->FindPkg([name UTF8String]));
3501     return iterator.end() ? nil : [Package packageWithIterator:iterator withZone:NULL inPool:pool_ database:self];
3502 } }
3503
3504 - (id) init {
3505     if ((self = [super init]) != nil) {
3506         policy_ = NULL;
3507         records_ = NULL;
3508         resolver_ = NULL;
3509         fetcher_ = NULL;
3510         lock_ = NULL;
3511
3512         zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
3513         apr_pool_create(&pool_, NULL);
3514
3515         size_t capacity(MetaFile_->active_);
3516         if (capacity == 0)
3517             capacity = 16384;
3518         else
3519             capacity += 1024;
3520
3521         packages_ = CFArrayCreateMutable(kCFAllocatorDefault, capacity, NULL);
3522         sourceList_ = [[NSMutableArray alloc] initWithCapacity:16];
3523
3524         int fds[2];
3525
3526         _assert(pipe(fds) != -1);
3527         cydiafd_ = fds[1];
3528
3529         _config->Set("APT::Keep-Fds::", cydiafd_);
3530         setenv("CYDIA", [[[[NSNumber numberWithInt:cydiafd_] stringValue] stringByAppendingString:@" 1"] UTF8String], _not(int));
3531
3532         [NSThread
3533             detachNewThreadSelector:@selector(_readCydia:)
3534             toTarget:self
3535             withObject:[NSNumber numberWithInt:fds[0]]
3536         ];
3537
3538         _assert(pipe(fds) != -1);
3539         statusfd_ = fds[1];
3540
3541         [NSThread
3542             detachNewThreadSelector:@selector(_readStatus:)
3543             toTarget:self
3544             withObject:[NSNumber numberWithInt:fds[0]]
3545         ];
3546
3547         _assert(pipe(fds) != -1);
3548         _assert(dup2(fds[0], 0) != -1);
3549         _assert(close(fds[0]) != -1);
3550
3551         input_ = fdopen(fds[1], "a");
3552
3553         _assert(pipe(fds) != -1);
3554         _assert(dup2(fds[1], 1) != -1);
3555         _assert(close(fds[1]) != -1);
3556
3557         [NSThread
3558             detachNewThreadSelector:@selector(_readOutput:)
3559             toTarget:self
3560             withObject:[NSNumber numberWithInt:fds[0]]
3561         ];
3562     } return self;
3563 }
3564
3565 - (pkgCacheFile &) cache {
3566     return cache_;
3567 }
3568
3569 - (pkgDepCache::Policy *) policy {
3570     return policy_;
3571 }
3572
3573 - (pkgRecords *) records {
3574     return records_;
3575 }
3576
3577 - (pkgProblemResolver *) resolver {
3578     return resolver_;
3579 }
3580
3581 - (pkgAcquire &) fetcher {
3582     return *fetcher_;
3583 }
3584
3585 - (pkgSourceList &) list {
3586     return *list_;
3587 }
3588
3589 - (NSArray *) packages {
3590     return (NSArray *) packages_;
3591 }
3592
3593 - (NSArray *) sources {
3594     return sourceList_;
3595 }
3596
3597 - (Source *) sourceWithKey:(NSString *)key {
3598     for (Source *source in [self sources]) {
3599         if ([[source key] isEqualToString:key])
3600             return source;
3601     } return nil;
3602 }
3603
3604 - (bool) popErrorWithTitle:(NSString *)title {
3605     bool fatal(false);
3606
3607     while (!_error->empty()) {
3608         std::string error;
3609         bool warning(!_error->PopMessage(error));
3610         if (!warning)
3611             fatal = true;
3612
3613         for (;;) {
3614             size_t size(error.size());
3615             if (size == 0 || error[size - 1] != '\n')
3616                 break;
3617             error.resize(size - 1);
3618         }
3619
3620         lprintf("%c:[%s]\n", warning ? 'W' : 'E', error.c_str());
3621
3622         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? @"WARNING" : @"ERROR")] forTask:title];
3623     }
3624
3625     return fatal;
3626 }
3627
3628 - (bool) popErrorWithTitle:(NSString *)title forOperation:(bool)success {
3629     return [self popErrorWithTitle:title] || !success;
3630 }
3631
3632 - (void) reloadDataWithInvocation:(NSInvocation *)invocation { CYPoolStart() {
3633 @synchronized (self) {
3634     ++era_;
3635
3636     [self releasePackages];
3637
3638     sourceMap_.clear();
3639     [sourceList_ removeAllObjects];
3640
3641     _error->Discard();
3642
3643     delete list_;
3644     list_ = NULL;
3645     manager_ = NULL;
3646     delete lock_;
3647     lock_ = NULL;
3648     delete fetcher_;
3649     fetcher_ = NULL;
3650     delete resolver_;
3651     resolver_ = NULL;
3652     delete records_;
3653     records_ = NULL;
3654     delete policy_;
3655     policy_ = NULL;
3656
3657     cache_.Close();
3658
3659     apr_pool_clear(pool_);
3660
3661     NSRecycleZone(zone_);
3662     zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
3663
3664     int chk(creat("/tmp/cydia.chk", 0644));
3665     if (chk != -1)
3666         close(chk);
3667
3668     if (invocation != nil)
3669         [invocation invoke];
3670
3671     NSString *title(UCLocalize("DATABASE"));
3672
3673     _trace();
3674     OpProgress progress;
3675     while (!cache_.Open(progress, true)) { pop:
3676         std::string error;
3677         bool warning(!_error->PopMessage(error));
3678         lprintf("cache_.Open():[%s]\n", error.c_str());
3679
3680         if (error == "dpkg was interrupted, you must manually run 'dpkg --configure -a' to correct the problem. ")
3681             [delegate_ repairWithSelector:@selector(configure)];
3682         else if (error == "The package lists or status file could not be parsed or opened.")
3683             [delegate_ repairWithSelector:@selector(update)];
3684         // else if (error == "Could not get lock /var/lib/dpkg/lock - open (35 Resource temporarily unavailable)")
3685         // else if (error == "Could not open lock file /var/lib/dpkg/lock - open (13 Permission denied)")
3686         // else if (error == "Malformed Status line")
3687         // else if (error == "The list of sources could not be read.")
3688         else {
3689             [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? @"WARNING" : @"ERROR")] forTask:title];
3690             return;
3691         }
3692
3693         if (warning)
3694             goto pop;
3695         _error->Discard();
3696     }
3697     _trace();
3698
3699     unlink("/tmp/cydia.chk");
3700
3701     now_ = [[NSDate date] timeIntervalSince1970];
3702
3703     policy_ = new pkgDepCache::Policy();
3704     records_ = new pkgRecords(cache_);
3705     resolver_ = new pkgProblemResolver(cache_);
3706     fetcher_ = new pkgAcquire(&status_);
3707     lock_ = NULL;
3708
3709     list_ = new pkgSourceList();
3710     if ([self popErrorWithTitle:title forOperation:list_->ReadMainList()])
3711         return;
3712
3713     if (cache_->DelCount() != 0 || cache_->InstCount() != 0) {
3714         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("COUNTS_NONZERO_EX") ofType:@"ERROR"] forTask:title];
3715         return;
3716     }
3717
3718     if ([self popErrorWithTitle:title forOperation:pkgApplyStatus(cache_)])
3719         return;
3720
3721     if (cache_->BrokenCount() != 0) {
3722         if ([self popErrorWithTitle:title forOperation:pkgFixBroken(cache_)])
3723             return;
3724
3725         if (cache_->BrokenCount() != 0) {
3726             [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("STILL_BROKEN_EX") ofType:@"ERROR"] forTask:title];
3727             return;
3728         }
3729
3730         if ([self popErrorWithTitle:title forOperation:pkgMinimizeUpgrade(cache_)])
3731             return;
3732     }
3733
3734     for (pkgSourceList::const_iterator source = list_->begin(); source != list_->end(); ++source) {
3735         Source *object([[[Source alloc] initWithMetaIndex:*source inPool:pool_] autorelease]);
3736         [sourceList_ addObject:object];
3737
3738         std::vector<pkgIndexFile *> *indices = (*source)->GetIndexFiles();
3739         for (std::vector<pkgIndexFile *>::const_iterator index = indices->begin(); index != indices->end(); ++index)
3740             // XXX: this could be more intelligent
3741             if (dynamic_cast<debPackagesIndex *>(*index) != NULL) {
3742                 pkgCache::PkgFileIterator cached((*index)->FindInCache(cache_));
3743                 if (!cached.end())
3744                     sourceMap_[cached->ID] = object;
3745             }
3746     }
3747
3748     {
3749         /*std::vector<Package *> packages;
3750         packages.reserve(std::max(10000U, [packages_ count] + 1000));
3751         [packages_ release];
3752         packages_ = nil;*/
3753
3754         _trace();
3755
3756         for (pkgCache::PkgIterator iterator = cache_->PkgBegin(); !iterator.end(); ++iterator)
3757             if (Package *package = [Package packageWithIterator:iterator withZone:zone_ inPool:pool_ database:self])
3758                 //packages.push_back(package);
3759                 CFArrayAppendValue(packages_, [package retain]);
3760
3761         _trace();
3762
3763         /*if (packages.empty())
3764             packages_ = [[NSArray alloc] init];
3765         else
3766             packages_ = [[NSArray alloc] initWithObjects:&packages.front() count:packages.size()];
3767         _trace();*/
3768
3769         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(16)];
3770         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(4)];
3771         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(0)];
3772
3773         /*_trace();
3774         PrintTimes();
3775         _trace();*/
3776
3777         _trace();
3778
3779         /*if (!packages.empty())
3780             CFQSortArray(&packages.front(), packages.size(), sizeof(packages.front()), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare_), NULL);*/
3781         //std::sort(packages.begin(), packages.end(), PackageNameOrdering());
3782
3783         //CFArraySortValues((CFMutableArrayRef) packages_, CFRangeMake(0, [packages_ count]), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare), NULL);
3784
3785         CFArrayInsertionSortValues(packages_, CFRangeMake(0, CFArrayGetCount(packages_)), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare), NULL);
3786
3787         //[packages_ sortUsingFunction:reinterpret_cast<NSComparisonResult (*)(id, id, void *)>(&PackageNameCompare) context:NULL];
3788
3789         _trace();
3790
3791         size_t count(CFArrayGetCount(packages_));
3792         MetaFile_->active_ = count;
3793
3794         for (size_t index(0); index != count; ++index)
3795             [(Package *) CFArrayGetValueAtIndex(packages_, index) setIndex:index];
3796
3797         _trace();
3798     }
3799 } } CYPoolEnd() _trace(); }
3800
3801 - (void) clear {
3802 @synchronized (self) {
3803     delete resolver_;
3804     resolver_ = new pkgProblemResolver(cache_);
3805
3806     for (pkgCache::PkgIterator iterator(cache_->PkgBegin()); !iterator.end(); ++iterator)
3807         if (!cache_[iterator].Keep())
3808             cache_->MarkKeep(iterator, false);
3809         else if ((cache_[iterator].iFlags & pkgDepCache::ReInstall) != 0)
3810             cache_->SetReInstall(iterator, false);
3811 } }
3812
3813 - (void) configure {
3814     NSString *dpkg = [NSString stringWithFormat:@"dpkg --configure -a --status-fd %u", statusfd_];
3815     _trace();
3816     system([dpkg UTF8String]);
3817     _trace();
3818 }
3819
3820 - (bool) clean {
3821     // XXX: I don't remember this condition
3822     if (lock_ != NULL)
3823         return false;
3824
3825     FileFd Lock;
3826     Lock.Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
3827
3828     NSString *title(UCLocalize("CLEAN_ARCHIVES"));
3829
3830     if ([self popErrorWithTitle:title])
3831         return false;
3832
3833     pkgAcquire fetcher;
3834     fetcher.Clean(_config->FindDir("Dir::Cache::Archives"));
3835
3836     class LogCleaner :
3837         public pkgArchiveCleaner
3838     {
3839       protected:
3840         virtual void Erase(const char *File, std::string Pkg, std::string Ver, struct stat &St) {
3841             unlink(File);
3842         }
3843     } cleaner;
3844
3845     if ([self popErrorWithTitle:title forOperation:cleaner.Go(_config->FindDir("Dir::Cache::Archives") + "partial/", cache_)])
3846         return false;
3847
3848     return true;
3849 }
3850
3851 - (bool) prepare {
3852     fetcher_->Shutdown();
3853
3854     pkgRecords records(cache_);
3855
3856     lock_ = new FileFd();
3857     lock_->Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
3858
3859     NSString *title(UCLocalize("PREPARE_ARCHIVES"));
3860
3861     if ([self popErrorWithTitle:title])
3862         return false;
3863
3864     pkgSourceList list;
3865     if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3866         return false;
3867
3868     manager_ = (_system->CreatePM(cache_));
3869     if ([self popErrorWithTitle:title forOperation:manager_->GetArchives(fetcher_, &list, &records)])
3870         return false;
3871
3872     return true;
3873 }
3874
3875 - (void) perform {
3876     bool substrate(RestartSubstrate_);
3877     RestartSubstrate_ = false;
3878
3879     NSString *title(UCLocalize("PERFORM_SELECTIONS"));
3880
3881     NSMutableArray *before = [NSMutableArray arrayWithCapacity:16]; {
3882         pkgSourceList list;
3883         if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3884             return;
3885         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
3886             [before addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
3887     }
3888
3889     [delegate_ performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3890
3891     if (fetcher_->Run(PulseInterval_) != pkgAcquire::Continue) {
3892         _trace();
3893         [self popErrorWithTitle:title];
3894         return;
3895     }
3896
3897     bool failed = false;
3898     for (pkgAcquire::ItemIterator item = fetcher_->ItemsBegin(); item != fetcher_->ItemsEnd(); item++) {
3899         if ((*item)->Status == pkgAcquire::Item::StatDone && (*item)->Complete)
3900             continue;
3901         if ((*item)->Status == pkgAcquire::Item::StatIdle)
3902             continue;
3903
3904         failed = true;
3905     }
3906
3907     [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3908
3909     if (failed) {
3910         _trace();
3911         return;
3912     }
3913
3914     if (substrate)
3915         RestartSubstrate_ = true;
3916
3917     _system->UnLock();
3918     pkgPackageManager::OrderResult result = manager_->DoInstall(statusfd_);
3919
3920     if (_error->PendingError()) {
3921         _trace();
3922         return;
3923     }
3924
3925     if (result == pkgPackageManager::Failed) {
3926         _trace();
3927         return;
3928     }
3929
3930     if (result != pkgPackageManager::Completed) {
3931         _trace();
3932         return;
3933     }
3934
3935     NSMutableArray *after = [NSMutableArray arrayWithCapacity:16]; {
3936         pkgSourceList list;
3937         if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3938             return;
3939         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
3940             [after addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
3941     }
3942
3943     if (![before isEqualToArray:after])
3944         [self update];
3945 }
3946
3947 - (bool) upgrade {
3948     NSString *title(UCLocalize("UPGRADE"));
3949     if ([self popErrorWithTitle:title forOperation:pkgDistUpgrade(cache_)])
3950         return false;
3951     return true;
3952 }
3953
3954 - (void) update {
3955     [self updateWithStatus:status_];
3956 }
3957
3958 - (void) updateWithStatus:(Status &)status {
3959     NSString *title(UCLocalize("REFRESHING_DATA"));
3960
3961     pkgSourceList list;
3962     if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3963         return;
3964
3965     FileFd lock;
3966     lock.Fd(GetLock(_config->FindDir("Dir::State::Lists") + "lock"));
3967     if ([self popErrorWithTitle:title])
3968         return;
3969
3970     [delegate_ performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3971
3972     bool success(ListUpdate(status, list, PulseInterval_));
3973     if (status.WasCancelled())
3974         _error->Discard();
3975     else
3976         [self popErrorWithTitle:title forOperation:success];
3977
3978     [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3979
3980     [Metadata_ setObject:[NSDate date] forKey:@"LastUpdate"];
3981     Changed_ = true;
3982 }
3983
3984 - (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate {
3985     delegate_ = delegate;
3986 }
3987
3988 - (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate {
3989     progress_ = delegate;
3990     status_.setDelegate(delegate);
3991 }
3992
3993 - (NSObject<ProgressDelegate> *) progressDelegate {
3994     return progress_;
3995 }
3996
3997 - (Source *) getSource:(pkgCache::PkgFileIterator)file {
3998     SourceMap::const_iterator i(sourceMap_.find(file->ID));
3999     return i == sourceMap_.end() ? nil : i->second;
4000 }
4001
4002 - (NSString *) mappedSectionForPointer:(const char *)section {
4003     _H<NSString> *mapped;
4004
4005     _profile(Database$mappedSectionForPointer$Cache)
4006         mapped = &sections_[section];
4007     _end
4008
4009     if (*mapped == NULL) {
4010         size_t length(strlen(section));
4011         char spaced[length + 1];
4012
4013         _profile(Database$mappedSectionForPointer$Replace)
4014             for (size_t index(0); index != length; ++index)
4015                 spaced[index] = section[index] == '_' ? ' ' : section[index];
4016             spaced[length] = '\0';
4017         _end
4018
4019         NSString *string;
4020
4021         _profile(Database$mappedSectionForPointer$stringWithUTF8String)
4022             string = [NSString stringWithUTF8String:spaced];
4023         _end
4024
4025         _profile(Database$mappedSectionForPointer$Map)
4026             string = [SectionMap_ objectForKey:string] ?: string;
4027         _end
4028
4029         *mapped = string;
4030     } return *mapped;
4031 }
4032
4033 @end
4034 /* }}} */
4035
4036 /* Web Scripting {{{ */
4037 @interface CydiaObject : NSObject {
4038     id indirect_;
4039     _transient id delegate_;
4040 }
4041
4042 - (id) initWithDelegate:(IndirectDelegate *)indirect;
4043
4044 @end
4045
4046 @implementation CydiaObject
4047
4048 - (void) dealloc {
4049     [indirect_ release];
4050     [super dealloc];
4051 }
4052
4053 - (id) initWithDelegate:(IndirectDelegate *)indirect {
4054     if ((self = [super init]) != nil) {
4055         indirect_ = [indirect retain];
4056     } return self;
4057 }
4058
4059 - (void) setDelegate:(id)delegate {
4060     delegate_ = delegate;
4061 }
4062
4063 + (NSArray *) _attributeKeys {
4064     return [NSArray arrayWithObjects:
4065         @"device",
4066         @"ecid",
4067         @"firmware",
4068         @"hostname",
4069         @"idiom",
4070         @"model",
4071         @"plmn",
4072         @"role",
4073         @"serial",
4074         @"token",
4075         @"version",
4076     nil];
4077 }
4078
4079 - (NSArray *) attributeKeys {
4080     return [[self class] _attributeKeys];
4081 }
4082
4083 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
4084     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
4085 }
4086
4087 - (NSString *) version {
4088     return @ Cydia_;
4089 }
4090
4091 - (NSString *) device {
4092     return [[UIDevice currentDevice] uniqueIdentifier];
4093 }
4094
4095 - (NSString *) firmware {
4096     return [[UIDevice currentDevice] systemVersion];
4097 }
4098
4099 - (NSString *) hostname {
4100     return [[UIDevice currentDevice] name];
4101 }
4102
4103 - (NSString *) idiom {
4104     return (id) Idiom_ ?: [NSNull null];
4105 }
4106
4107 - (NSString *) plmn {
4108     return (id) PLMN_ ?: [NSNull null];
4109 }
4110
4111 - (NSString *) ecid {
4112     return (id) ChipID_ ?: [NSNull null];
4113 }
4114
4115 - (NSString *) serial {
4116     return SerialNumber_;
4117 }
4118
4119 - (NSString *) role {
4120     return (id) Role_ ?: [NSNull null];
4121 }
4122
4123 - (NSString *) model {
4124     return [NSString stringWithUTF8String:Machine_];
4125 }
4126
4127 - (NSString *) token {
4128     return (id) Token_ ?: [NSNull null];
4129 }
4130
4131 + (NSString *) webScriptNameForSelector:(SEL)selector {
4132     if (false);
4133     else if (selector == @selector(addCydiaHost:))
4134         return @"addCydiaHost";
4135     else if (selector == @selector(addTrivialSource:))
4136         return @"addTrivialSource";
4137     else if (selector == @selector(close))
4138         return @"close";
4139     else if (selector == @selector(du:))
4140         return @"du";
4141     else if (selector == @selector(stringWithFormat:arguments:))
4142         return @"format";
4143     else if (selector == @selector(getAllSources))
4144         return @"getAllSourcs";
4145     else if (selector == @selector(getKernelNumber:))
4146         return @"getKernelNumber";
4147     else if (selector == @selector(getKernelString:))
4148         return @"getKernelString";
4149     else if (selector == @selector(getInstalledPackages))
4150         return @"getInstalledPackages";
4151     else if (selector == @selector(getPackageById:))
4152         return @"getPackageById";
4153     else if (selector == @selector(installPackages:))
4154         return @"installPackages";
4155     else if (selector == @selector(localizedStringForKey:value:table:))
4156         return @"localize";
4157     else if (selector == @selector(refreshSources))
4158         return @"refreshSources";
4159     else if (selector == @selector(removeButton))
4160         return @"removeButton";
4161     else if (selector == @selector(substitutePackageNames:))
4162         return @"substitutePackageNames";
4163     else if (selector == @selector(scrollToBottom:))
4164         return @"scrollToBottom";
4165     else if (selector == @selector(setAllowsNavigationAction:))
4166         return @"setAllowsNavigationAction";
4167     else if (selector == @selector(setButtonImage:withStyle:toFunction:))
4168         return @"setButtonImage";
4169     else if (selector == @selector(setButtonTitle:withStyle:toFunction:))
4170         return @"setButtonTitle";
4171     else if (selector == @selector(setHidesBackButton:))
4172         return @"setHidesBackButton";
4173     else if (selector == @selector(setHidesNavigationBar:))
4174         return @"setHidesNavigationBar";
4175     else if (selector == @selector(setNavigationBarStyle:))
4176         return @"setNavigationBarStyle";
4177     else if (selector == @selector(setNavigationBarTintRed:green:blue:alpha:))
4178         return @"setNavigationBarTintColor";
4179     else if (selector == @selector(setPopupHook:))
4180         return @"setPopupHook";
4181     else if (selector == @selector(setToken:))
4182         return @"setToken";
4183     else if (selector == @selector(setViewportWidth:))
4184         return @"setViewportWidth";
4185     else if (selector == @selector(statfs:))
4186         return @"statfs";
4187     else if (selector == @selector(supports:))
4188         return @"supports";
4189     else
4190         return nil;
4191 }
4192
4193 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
4194     return [self webScriptNameForSelector:selector] == nil;
4195 }
4196
4197 - (BOOL) supports:(NSString *)feature {
4198     return [feature isEqualToString:@"window.open"];
4199 }
4200
4201 - (NSNumber *) getKernelNumber:(NSString *)name {
4202     const char *string([name UTF8String]);
4203
4204     size_t size;
4205     if (sysctlbyname(string, NULL, &size, NULL, 0) == -1)
4206         return (id) [NSNull null];
4207
4208     if (size != sizeof(int))
4209         return (id) [NSNull null];
4210
4211     int value;
4212     if (sysctlbyname(string, &value, &size, NULL, 0) == -1)
4213         return (id) [NSNull null];
4214
4215     return [NSNumber numberWithInt:value];
4216 }
4217
4218 - (NSString *) getKernelString:(NSString *)name {
4219     const char *string([name UTF8String]);
4220
4221     size_t size;
4222     if (sysctlbyname(string, NULL, &size, NULL, 0) == -1)
4223         return (id) [NSNull null];
4224
4225     char value[size + 1];
4226     if (sysctlbyname(string, value, &size, NULL, 0) == -1)
4227         return (id) [NSNull null];
4228
4229     // XXX: just in case you request something ludicrous
4230     value[size] = '\0';
4231
4232     return [NSString stringWithCString:value];
4233 }
4234
4235 - (void) addCydiaHost:(NSString *)host {
4236     [delegate_ performSelectorOnMainThread:@selector(addCydiaHost:) withObject:host waitUntilDone:NO];
4237 }
4238
4239 - (void) addTrivialSource:(NSString *)href {
4240     [delegate_ performSelectorOnMainThread:@selector(addTrivialSource:) withObject:href waitUntilDone:NO];
4241 }
4242
4243 - (void) refreshSources {
4244     [delegate_ performSelectorOnMainThread:@selector(syncData) withObject:nil waitUntilDone:NO];
4245 }
4246
4247 - (NSArray *) getAllSources {
4248     return [[Database sharedInstance] sources];
4249 }
4250
4251 - (NSArray *) getInstalledPackages {
4252     Database *database([Database sharedInstance]);
4253 @synchronized (database) {
4254     NSArray *packages([database packages]);
4255     NSMutableArray *installed([NSMutableArray arrayWithCapacity:1024]);
4256     for (Package *package in packages)
4257         if (![package uninstalled])
4258             [installed addObject:package];
4259     return installed;
4260 } }
4261
4262 - (Package *) getPackageById:(NSString *)id {
4263     if (Package *package = [[Database sharedInstance] packageWithName:id]) {
4264         [package parse];
4265         return package;
4266     } else
4267         return (Package *) [NSNull null];
4268 }
4269
4270 - (NSArray *) statfs:(NSString *)path {
4271     struct statfs stat;
4272
4273     if (path == nil || statfs([path UTF8String], &stat) == -1)
4274         return nil;
4275
4276     return [NSArray arrayWithObjects:
4277         [NSNumber numberWithUnsignedLong:stat.f_bsize],
4278         [NSNumber numberWithUnsignedLong:stat.f_blocks],
4279         [NSNumber numberWithUnsignedLong:stat.f_bfree],
4280     nil];
4281 }
4282
4283 - (NSNumber *) du:(NSString *)path {
4284     NSNumber *value(nil);
4285
4286     int fds[2];
4287     _assert(pipe(fds) != -1);
4288
4289     pid_t pid(ExecFork());
4290     if (pid == 0) {
4291         _assert(dup2(fds[1], 1) != -1);
4292         _assert(close(fds[0]) != -1);
4293         _assert(close(fds[1]) != -1);
4294         /* XXX: this should probably not use du */
4295         execl("/usr/libexec/cydia/du", "du", "-s", [path UTF8String], NULL);
4296         exit(1);
4297         _assert(false);
4298     }
4299
4300     _assert(close(fds[1]) != -1);
4301
4302     if (FILE *du = fdopen(fds[0], "r")) {
4303         char line[1024];
4304         while (fgets(line, sizeof(line), du) != NULL) {
4305             size_t length(strlen(line));
4306             while (length != 0 && line[length - 1] == '\n')
4307                 line[--length] = '\0';
4308             if (char *tab = strchr(line, '\t')) {
4309                 *tab = '\0';
4310                 value = [NSNumber numberWithUnsignedLong:strtoul(line, NULL, 0)];
4311             }
4312         }
4313
4314         fclose(du);
4315     } else _assert(close(fds[0]));
4316
4317     int status;
4318   wait:
4319     if (waitpid(pid, &status, 0) == -1)
4320         if (errno == EINTR)
4321             goto wait;
4322         else _assert(false);
4323
4324     return value;
4325 }
4326
4327 - (void) close {
4328     [indirect_ performSelectorOnMainThread:@selector(close) withObject:nil waitUntilDone:NO];
4329 }
4330
4331 - (void) installPackages:(NSArray *)packages {
4332     [delegate_ performSelectorOnMainThread:@selector(installPackages:) withObject:packages waitUntilDone:NO];
4333 }
4334
4335 - (NSString *) substitutePackageNames:(NSString *)message {
4336     NSMutableArray *words([[message componentsSeparatedByString:@" "] mutableCopy]);
4337     for (size_t i(0), e([words count]); i != e; ++i) {
4338         NSString *word([words objectAtIndex:i]);
4339         if (Package *package = [[Database sharedInstance] packageWithName:word])
4340             [words replaceObjectAtIndex:i withObject:[package name]];
4341     }
4342
4343     return [words componentsJoinedByString:@" "];
4344 }
4345
4346 - (void) removeButton {
4347     [indirect_ removeButton];
4348 }
4349
4350 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
4351     [indirect_ setButtonImage:button withStyle:style toFunction:function];
4352 }
4353
4354 - (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
4355     [indirect_ setButtonTitle:button withStyle:style toFunction:function];
4356 }
4357
4358 - (void) setAllowsNavigationAction:(NSString *)value {
4359     [indirect_ performSelectorOnMainThread:@selector(setAllowsNavigationActionByNumber:) withObject:value waitUntilDone:NO];
4360 }
4361
4362 - (void) setHidesBackButton:(NSString *)value {
4363     [indirect_ performSelectorOnMainThread:@selector(setHidesBackButtonByNumber:) withObject:value waitUntilDone:NO];
4364 }
4365
4366 - (void) setHidesNavigationBar:(NSString *)value {
4367     [indirect_ performSelectorOnMainThread:@selector(setHidesNavigationBarByNumber:) withObject:value waitUntilDone:NO];
4368 }
4369
4370 - (void) setNavigationBarStyle:(NSString *)value {
4371     [indirect_ performSelectorOnMainThread:@selector(setNavigationBarStyle:) withObject:value waitUntilDone:NO];
4372 }
4373
4374 - (void) setNavigationBarTintRed:(NSNumber *)red green:(NSNumber *)green blue:(NSNumber *)blue alpha:(NSNumber *)alpha {
4375     float opacity(alpha == (id) [WebUndefined undefined] ? 1 : [alpha floatValue]);
4376     UIColor *color([UIColor colorWithRed:[red floatValue] green:[green floatValue] blue:[blue floatValue] alpha:opacity]);
4377     [indirect_ performSelectorOnMainThread:@selector(setNavigationBarTintColor:) withObject:color waitUntilDone:NO];
4378 }
4379
4380 - (void) _setToken:(NSString *)token {
4381     Token_ = token;
4382
4383     if (token == nil)
4384         [Metadata_ removeObjectForKey:@"Token"];
4385     else
4386         [Metadata_ setObject:Token_ forKey:@"Token"];
4387
4388     Changed_ = true;
4389 }
4390
4391 - (void) setToken:(NSString *)token {
4392     [self performSelectorOnMainThread:@selector(_setToken:) withObject:token waitUntilDone:NO];
4393 }
4394
4395 - (void) setPopupHook:(id)function {
4396     [indirect_ setPopupHook:function];
4397 }
4398
4399 - (void) scrollToBottom:(NSNumber *)animated {
4400     [indirect_ performSelectorOnMainThread:@selector(scrollToBottomAnimated:) withObject:animated waitUntilDone:NO];
4401 }
4402
4403 - (void) setViewportWidth:(float)width {
4404     [indirect_ setViewportWidthOnMainThread:width];
4405 }
4406
4407 - (NSString *) stringWithFormat:(NSString *)format arguments:(WebScriptObject *)arguments {
4408     //NSLog(@"SWF:\"%@\" A:%@", format, [arguments description]);
4409     unsigned count([arguments count]);
4410     id values[count];
4411     for (unsigned i(0); i != count; ++i)
4412         values[i] = [arguments objectAtIndex:i];
4413     return [[[NSString alloc] initWithFormat:format arguments:reinterpret_cast<va_list>(values)] autorelease];
4414 }
4415
4416 - (NSString *) localizedStringForKey:(NSString *)key value:(NSString *)value table:(NSString *)table {
4417     if (reinterpret_cast<id>(value) == [WebUndefined undefined])
4418         value = nil;
4419     if (reinterpret_cast<id>(table) == [WebUndefined undefined])
4420         table = nil;
4421     return [[NSBundle mainBundle] localizedStringForKey:key value:value table:table];
4422 }
4423
4424 @end
4425 /* }}} */
4426
4427 /* @ Loading... Indicator {{{ */
4428 @interface CYLoadingIndicator : UIView {
4429     _H<UIActivityIndicatorView> spinner_;
4430     _H<UILabel> label_;
4431     _H<UIView> container_;
4432 }
4433
4434 @property (readonly, nonatomic) UILabel *label;
4435 @property (readonly, nonatomic) UIActivityIndicatorView *activityIndicatorView;
4436
4437 @end
4438
4439 @implementation CYLoadingIndicator
4440
4441 - (id) initWithFrame:(CGRect)frame {
4442     if ((self = [super initWithFrame:frame]) != nil) {
4443         container_ = [[[UIView alloc] init] autorelease];
4444         [container_ setAutoresizingMask:UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleBottomMargin];
4445
4446         spinner_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray] autorelease];
4447         [spinner_ startAnimating];
4448         [container_ addSubview:spinner_];
4449
4450         label_ = [[[UILabel alloc] init] autorelease];
4451         [label_ setFont:[UIFont boldSystemFontOfSize:15.0f]];
4452         [label_ setBackgroundColor:[UIColor clearColor]];
4453         [label_ setTextColor:[UIColor blackColor]];
4454         [label_ setShadowColor:[UIColor whiteColor]];
4455         [label_ setShadowOffset:CGSizeMake(0, 1)];
4456         [label_ setText:[NSString stringWithFormat:Elision_, UCLocalize("LOADING"), nil]];
4457         [container_ addSubview:label_];
4458
4459         CGSize viewsize = frame.size;
4460         CGSize spinnersize = [spinner_ bounds].size;
4461         CGSize textsize = [[label_ text] sizeWithFont:[label_ font]];
4462         float bothwidth = spinnersize.width + textsize.width + 5.0f;
4463
4464         CGRect containrect = {
4465             CGPointMake(floorf((viewsize.width / 2) - (bothwidth / 2)), floorf((viewsize.height / 2) - (spinnersize.height / 2))),
4466             CGSizeMake(bothwidth, spinnersize.height)
4467         };
4468         CGRect textrect = {
4469             CGPointMake(spinnersize.width + 5.0f, floorf((spinnersize.height / 2) - (textsize.height / 2))),
4470             textsize
4471         };
4472         CGRect spinrect = {
4473             CGPointZero,
4474             spinnersize
4475         };
4476
4477         [container_ setFrame:containrect];
4478         [spinner_ setFrame:spinrect];
4479         [label_ setFrame:textrect];
4480         [self addSubview:container_];
4481     } return self;
4482 }
4483
4484 - (UILabel *) label {
4485     return label_;
4486 }
4487
4488 - (UIActivityIndicatorView *) activityIndicatorView {
4489     return spinner_;
4490 }
4491
4492 @end
4493 /* }}} */
4494 /* Emulated Loading Controller {{{ */
4495 @interface CYEmulatedLoadingController : CYViewController {
4496     _transient Database *database_;
4497     _H<CYLoadingIndicator> indicator_;
4498     _H<UITabBar> tabbar_;
4499     _H<UINavigationBar> navbar_;
4500 }
4501
4502 @end
4503
4504 @implementation CYEmulatedLoadingController
4505
4506 - (id) initWithDatabase:(Database *)database {
4507     if ((self = [super init]) != nil) {
4508         database_ = database;
4509     } return self;
4510 }
4511
4512 // XXX: factor this out somewhere
4513 - (UIColor *) groupTableViewBackgroundColor {
4514     UIDevice *device([UIDevice currentDevice]);
4515     bool iPad([device respondsToSelector:@selector(userInterfaceIdiom)] && [device userInterfaceIdiom] == UIUserInterfaceIdiomPad);
4516     return iPad ? [UIColor colorWithRed:0.821 green:0.834 blue:0.860 alpha:1] : [UIColor groupTableViewBackgroundColor];
4517 }
4518
4519 - (void) loadView {
4520     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
4521     [[self view] setBackgroundColor:[self groupTableViewBackgroundColor]];
4522
4523     indicator_ = [[[CYLoadingIndicator alloc] initWithFrame:[[self view] bounds]] autorelease];
4524     [indicator_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
4525     [[self view] addSubview:indicator_];
4526
4527     tabbar_ = [[[UITabBar alloc] initWithFrame:CGRectMake(0, 0, 0, 49.0f)] autorelease];
4528     [tabbar_ setFrame:CGRectMake(0.0f, [[self view] bounds].size.height - [tabbar_ bounds].size.height, [[self view] bounds].size.width, [tabbar_ bounds].size.height)];
4529     [tabbar_ setAutoresizingMask:UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleWidth];
4530     [[self view] addSubview:tabbar_];
4531
4532     navbar_ = [[[UINavigationBar alloc] initWithFrame:CGRectMake(0, 0, 0, 44.0f)] autorelease];
4533     [navbar_ setFrame:CGRectMake(0.0f, 0.0f, [[self view] bounds].size.width, [navbar_ bounds].size.height)];
4534     [navbar_ setAutoresizingMask:UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleWidth];
4535     [[self view] addSubview:navbar_];
4536 }
4537
4538 - (void) releaseSubviews {
4539     indicator_ = nil;
4540     tabbar_ = nil;
4541     navbar_ = nil;
4542 }
4543
4544 @end
4545 /* }}} */
4546
4547 /* Cydia Browser Controller {{{ */
4548 @interface CYBrowserController : BrowserController {
4549     CydiaObject *cydia_;
4550 }
4551
4552 @end
4553
4554 @implementation CYBrowserController
4555
4556 - (void) dealloc {
4557     [cydia_ release];
4558     [super dealloc];
4559 }
4560
4561 - (NSURL *) navigationURL {
4562     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://url/%@", [[[webview_ request] URL] absoluteString]]];
4563 }
4564
4565 - (void) setHeaders:(NSDictionary *)headers forHost:(NSString *)host {
4566 }
4567
4568 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4569     [super webView:view didClearWindowObject:window forFrame:frame];
4570
4571     WebDataSource *source([frame dataSource]);
4572     NSURLResponse *response([source response]);
4573
4574     NSURL *url([response URL]);
4575     //NSString *scheme([url scheme]);
4576     NSString *host([url host]);
4577
4578     if ([response isKindOfClass:[NSHTTPURLResponse class]]) {
4579         NSHTTPURLResponse *http((NSHTTPURLResponse *) response);
4580         NSDictionary *headers([http allHeaderFields]);
4581         [self setHeaders:headers forHost:host];
4582     }
4583
4584     if ([CydiaHosts_ containsObject:host])
4585         [window setValue:cydia_ forKey:@"cydia"];
4586 }
4587
4588 - (NSURLRequest *) webView:(WebView *)view resource:(id)resource willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
4589     NSMutableURLRequest *copy([[super webView:view resource:resource willSendRequest:request redirectResponse:response fromDataSource:source] mutableCopy]);
4590
4591     if (System_ != NULL)
4592         [copy setValue:System_ forHTTPHeaderField:@"X-System"];
4593     if (Machine_ != NULL)
4594         [copy setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
4595     if (Token_ != nil)
4596         [copy setValue:Token_ forHTTPHeaderField:@"X-Cydia-Token"];
4597     if (Role_ != nil)
4598         [copy setValue:Role_ forHTTPHeaderField:@"X-Role"];
4599
4600     return copy;
4601 }
4602
4603 - (void) setDelegate:(id)delegate {
4604     [super setDelegate:delegate];
4605     [cydia_ setDelegate:delegate];
4606 }
4607
4608 - (id) init {
4609     if ((self = [super initWithWidth:0 ofClass:[CYBrowserController class]]) != nil) {
4610         cydia_ = [[CydiaObject alloc] initWithDelegate:indirect_];
4611
4612         WebView *webview([[webview_ _documentView] webView]);
4613
4614         NSString *application([NSString stringWithFormat:@"Cydia/%@", @ Cydia_]);
4615
4616         if (Safari_ != nil)
4617             application = [NSString stringWithFormat:@"Safari/%@ %@", Safari_, application];
4618         if (Build_ != nil)
4619             application = [NSString stringWithFormat:@"Mobile/%@ %@", Build_, application];
4620         if (Product_ != nil)
4621             application = [NSString stringWithFormat:@"Version/%@ %@", Product_, application];
4622
4623         [webview setApplicationNameForUserAgent:application];
4624     } return self;
4625 }
4626
4627 @end
4628 /* }}} */
4629
4630 // CydiaScript {{{
4631 @interface NSObject (CydiaScript)
4632 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context;
4633 @end
4634
4635 @implementation NSObject (CydiaScript)
4636
4637 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4638     return self;
4639 }
4640
4641 @end
4642
4643 @implementation NSArray (CydiaScript)
4644
4645 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4646     WebScriptObject *object([context evaluateWebScript:@"[]"]);
4647     for (size_t i(0), e([self count]); i != e; ++i)
4648         [object setWebScriptValueAtIndex:i value:[[self objectAtIndex:i] Cydia$webScriptObjectInContext:context]];
4649     return object;
4650 }
4651
4652 @end
4653
4654 @implementation NSDictionary (CydiaScript)
4655
4656 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4657     WebScriptObject *object([context evaluateWebScript:@"({})"]);
4658     for (id i in self)
4659         [object setValue:[[self objectForKey:i] Cydia$webScriptObjectInContext:context] forKey:i];
4660     return object;
4661 }
4662
4663 @end
4664 // }}}
4665
4666 /* Confirmation Controller {{{ */
4667 bool DepSubstrate(const pkgCache::VerIterator &iterator) {
4668     if (!iterator.end())
4669         for (pkgCache::DepIterator dep(iterator.DependsList()); !dep.end(); ++dep) {
4670             if (dep->Type != pkgCache::Dep::Depends && dep->Type != pkgCache::Dep::PreDepends)
4671                 continue;
4672             pkgCache::PkgIterator package(dep.TargetPkg());
4673             if (package.end())
4674                 continue;
4675             if (strcmp(package.Name(), "mobilesubstrate") == 0)
4676                 return true;
4677         }
4678
4679     return false;
4680 }
4681
4682 @protocol ConfirmationControllerDelegate
4683 - (void) cancelAndClear:(bool)clear;
4684 - (void) confirmWithNavigationController:(UINavigationController *)navigation;
4685 - (void) queue;
4686 @end
4687
4688 @interface ConfirmationController : CYBrowserController {
4689     _transient Database *database_;
4690
4691     UIAlertView *essential_;
4692
4693     NSDictionary *changes_;
4694     NSMutableArray *issues_;
4695     NSDictionary *sizes_;
4696
4697     BOOL substrate_;
4698 }
4699
4700 - (id) initWithDatabase:(Database *)database;
4701
4702 @end
4703
4704 @implementation ConfirmationController
4705
4706 - (void) dealloc {
4707     [changes_ release];
4708     [issues_ release];
4709     [sizes_ release];
4710
4711     if (essential_ != nil)
4712         [essential_ release];
4713
4714     [super dealloc];
4715 }
4716
4717 - (void) complete {
4718     if (substrate_)
4719         RestartSubstrate_ = true;
4720     [delegate_ confirmWithNavigationController:[self navigationController]];
4721 }
4722
4723 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
4724     NSString *context([alert context]);
4725
4726     if ([context isEqualToString:@"remove"]) {
4727         if (button == [alert cancelButtonIndex])
4728             [self dismissModalViewControllerAnimated:YES];
4729         else if (button == [alert firstOtherButtonIndex]) {
4730             [self complete];
4731         }
4732
4733         [alert dismissWithClickedButtonIndex:-1 animated:YES];
4734     } else if ([context isEqualToString:@"unable"]) {
4735         [self dismissModalViewControllerAnimated:YES];
4736         [alert dismissWithClickedButtonIndex:-1 animated:YES];
4737     } else {
4738         [super alertView:alert clickedButtonAtIndex:button];
4739     }
4740 }
4741
4742 - (void) _doContinue {
4743     [self dismissModalViewControllerAnimated:YES];
4744     [delegate_ cancelAndClear:NO];
4745 }
4746
4747 - (id) invokeDefaultMethodWithArguments:(NSArray *)args {
4748     [self performSelectorOnMainThread:@selector(_doContinue) withObject:nil waitUntilDone:NO];
4749     return nil;
4750 }
4751
4752 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4753     [super webView:view didClearWindowObject:window forFrame:frame];
4754
4755     [window setValue:[[NSDictionary dictionaryWithObjectsAndKeys:
4756         changes_, @"changes",
4757         issues_, @"issues",
4758         sizes_, @"sizes",
4759         self, @"queue",
4760     nil] Cydia$webScriptObjectInContext:window] forKey:@"cydiaConfirm"];
4761 }
4762
4763 - (id) initWithDatabase:(Database *)database {
4764     if ((self = [super init]) != nil) {
4765         database_ = database;
4766
4767         NSMutableArray *installs([NSMutableArray arrayWithCapacity:16]);
4768         NSMutableArray *reinstalls([NSMutableArray arrayWithCapacity:16]);
4769         NSMutableArray *upgrades([NSMutableArray arrayWithCapacity:16]);
4770         NSMutableArray *downgrades([NSMutableArray arrayWithCapacity:16]);
4771         NSMutableArray *removes([NSMutableArray arrayWithCapacity:16]);
4772
4773         bool remove(false);
4774
4775         pkgCacheFile &cache([database_ cache]);
4776         NSArray *packages([database_ packages]);
4777         pkgDepCache::Policy *policy([database_ policy]);
4778
4779         issues_ = [[NSMutableArray arrayWithCapacity:4] retain];
4780
4781         for (Package *package in packages) {
4782             pkgCache::PkgIterator iterator([package iterator]);
4783             NSString *name([package id]);
4784
4785             if ([package broken]) {
4786                 NSMutableArray *reasons([NSMutableArray arrayWithCapacity:4]);
4787
4788                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4789                     name, @"package",
4790                     reasons, @"reasons",
4791                 nil]];
4792
4793                 pkgCache::VerIterator ver(cache[iterator].InstVerIter(cache));
4794                 if (ver.end())
4795                     continue;
4796
4797                 for (pkgCache::DepIterator dep(ver.DependsList()); !dep.end(); ) {
4798                     pkgCache::DepIterator start;
4799                     pkgCache::DepIterator end;
4800                     dep.GlobOr(start, end); // ++dep
4801
4802                     if (!cache->IsImportantDep(end))
4803                         continue;
4804                     if ((cache[end] & pkgDepCache::DepGInstall) != 0)
4805                         continue;
4806
4807                     NSMutableArray *clauses([NSMutableArray arrayWithCapacity:4]);
4808
4809                     [reasons addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4810                         [NSString stringWithUTF8String:start.DepType()], @"relationship",
4811                         clauses, @"clauses",
4812                     nil]];
4813
4814                     _forever {
4815                         NSString *reason, *installed((NSString *) [WebUndefined undefined]);
4816
4817                         pkgCache::PkgIterator target(start.TargetPkg());
4818                         if (target->ProvidesList != 0)
4819                             reason = @"missing";
4820                         else {
4821                             pkgCache::VerIterator ver(cache[target].InstVerIter(cache));
4822                             if (!ver.end()) {
4823                                 reason = @"installed";
4824                                 installed = [NSString stringWithUTF8String:ver.VerStr()];
4825                             } else if (!cache[target].CandidateVerIter(cache).end())
4826                                 reason = @"uninstalled";
4827                             else if (target->ProvidesList == 0)
4828                                 reason = @"uninstallable";
4829                             else
4830                                 reason = @"virtual";
4831                         }
4832
4833                         NSDictionary *version(start.TargetVer() == 0 ? [NSNull null] : [NSDictionary dictionaryWithObjectsAndKeys:
4834                             [NSString stringWithUTF8String:start.CompType()], @"operator",
4835                             [NSString stringWithUTF8String:start.TargetVer()], @"value",
4836                         nil]);
4837
4838                         [clauses addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4839                             [NSString stringWithUTF8String:start.TargetPkg().Name()], @"package",
4840                             version, @"version",
4841                             reason, @"reason",
4842                             installed, @"installed",
4843                         nil]];
4844
4845                         // yes, seriously. (wtf?)
4846                         if (start == end)
4847                             break;
4848                         ++start;
4849                     }
4850                 }
4851             }
4852
4853             pkgDepCache::StateCache &state(cache[iterator]);
4854
4855             static Pcre special_r("^(firmware$|gsc\\.|cy\\+)");
4856
4857             if (state.NewInstall())
4858                 [installs addObject:name];
4859             else if (!state.Delete() && (state.iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall)
4860                 [reinstalls addObject:name];
4861             else if (state.Upgrade())
4862                 [upgrades addObject:name];
4863             else if (state.Downgrade())
4864                 [downgrades addObject:name];
4865             else if (!state.Delete())
4866                 continue;
4867             else if (special_r(name))
4868                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4869                     [NSNull null], @"package",
4870                     [NSArray arrayWithObjects:
4871                         [NSDictionary dictionaryWithObjectsAndKeys:
4872                             @"Conflicts", @"relationship",
4873                             [NSArray arrayWithObjects:
4874                                 [NSDictionary dictionaryWithObjectsAndKeys:
4875                                     name, @"package",
4876                                     [NSNull null], @"version",
4877                                     @"installed", @"reason",
4878                                 nil],
4879                             nil], @"clauses",
4880                         nil],
4881                     nil], @"reasons",
4882                 nil]];
4883             else {
4884                 if ([package essential])
4885                     remove = true;
4886                 [removes addObject:name];
4887             }
4888
4889             substrate_ |= DepSubstrate(policy->GetCandidateVer(iterator));
4890             substrate_ |= DepSubstrate(iterator.CurrentVer());
4891         }
4892
4893         if (!remove)
4894             essential_ = nil;
4895         else if (Advanced_) {
4896             NSString *parenthetical(UCLocalize("PARENTHETICAL"));
4897
4898             essential_ = [[UIAlertView alloc]
4899                 initWithTitle:UCLocalize("REMOVING_ESSENTIALS")
4900                 message:UCLocalize("REMOVING_ESSENTIALS_EX")
4901                 delegate:self
4902                 cancelButtonTitle:[NSString stringWithFormat:parenthetical, UCLocalize("CANCEL_OPERATION"), UCLocalize("SAFE")]
4903                 otherButtonTitles:
4904                     [NSString stringWithFormat:parenthetical, UCLocalize("FORCE_REMOVAL"), UCLocalize("UNSAFE")],
4905                 nil
4906             ];
4907
4908             [essential_ setContext:@"remove"];
4909         } else {
4910             essential_ = [[UIAlertView alloc]
4911                 initWithTitle:UCLocalize("UNABLE_TO_COMPLY")
4912                 message:UCLocalize("UNABLE_TO_COMPLY_EX")
4913                 delegate:self
4914                 cancelButtonTitle:UCLocalize("OKAY")
4915                 otherButtonTitles:nil
4916             ];
4917
4918             [essential_ setContext:@"unable"];
4919         }
4920
4921         changes_ = [[NSDictionary alloc] initWithObjectsAndKeys:
4922             installs, @"installs",
4923             reinstalls, @"reinstalls",
4924             upgrades, @"upgrades",
4925             downgrades, @"downgrades",
4926             removes, @"removes",
4927         nil];
4928
4929         sizes_ = [[NSDictionary alloc] initWithObjectsAndKeys:
4930             [NSNumber numberWithInteger:[database_ fetcher].FetchNeeded()], @"downloading",
4931             [NSNumber numberWithInteger:[database_ fetcher].PartialPresent()], @"resuming",
4932         nil];
4933
4934         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/confirm/", UI_]]];
4935
4936         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
4937             initWithTitle:UCLocalize("CANCEL")
4938             style:UIBarButtonItemStylePlain
4939             target:self
4940             action:@selector(cancelButtonClicked)
4941         ] autorelease]];
4942     } return self;
4943 }
4944
4945 #if !AlwaysReload
4946 - (void) applyRightButton {
4947     if ([issues_ count] == 0 && ![self isLoading])
4948         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
4949             initWithTitle:UCLocalize("CONFIRM")
4950             style:UIBarButtonItemStyleDone
4951             target:self
4952             action:@selector(confirmButtonClicked)
4953         ] autorelease]];
4954     else
4955         [[self navigationItem] setRightBarButtonItem:nil];
4956 }
4957 #endif
4958
4959 - (void) cancelButtonClicked {
4960     [self dismissModalViewControllerAnimated:YES];
4961     [delegate_ cancelAndClear:YES];
4962 }
4963
4964 #if !AlwaysReload
4965 - (void) confirmButtonClicked {
4966     if (essential_ != nil)
4967         [essential_ show];
4968     else
4969         [self complete];
4970 }
4971 #endif
4972
4973 @end
4974 /* }}} */
4975
4976 /* Progress Data {{{ */
4977 @interface CydiaProgressData : NSObject {
4978     _transient id delegate_;
4979
4980     bool running_;
4981     float percent_;
4982
4983     float current_;
4984     float total_;
4985     float speed_;
4986
4987     _H<NSMutableArray> events_;
4988     _H<NSString> title_;
4989
4990     _H<NSString> status_;
4991     _H<NSString> finish_;
4992 }
4993
4994 @end
4995
4996 @implementation CydiaProgressData
4997
4998 + (NSArray *) _attributeKeys {
4999     return [NSArray arrayWithObjects:
5000         @"current",
5001         @"events",
5002         @"finish",
5003         @"percent",
5004         @"running",
5005         @"speed",
5006         @"title",
5007         @"total",
5008     nil];
5009 }
5010
5011 - (NSArray *) attributeKeys {
5012     return [[self class] _attributeKeys];
5013 }
5014
5015 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
5016     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
5017 }
5018
5019 - (id) init {
5020     if ((self = [super init]) != nil) {
5021         events_ = [NSMutableArray arrayWithCapacity:32];
5022     } return self;
5023 }
5024
5025 - (void) setDelegate:(id)delegate {
5026     delegate_ = delegate;
5027 }
5028
5029 - (void) setPercent:(float)value {
5030     percent_ = value;
5031 }
5032
5033 - (NSNumber *) percent {
5034     return [NSNumber numberWithFloat:percent_];
5035 }
5036
5037 - (void) setCurrent:(float)value {
5038     current_ = value;
5039 }
5040
5041 - (NSNumber *) current {
5042     return [NSNumber numberWithFloat:current_];
5043 }
5044
5045 - (void) setTotal:(float)value {
5046     total_ = value;
5047 }
5048
5049 - (NSNumber *) total {
5050     return [NSNumber numberWithFloat:total_];
5051 }
5052
5053 - (void) setSpeed:(float)value {
5054     speed_ = value;
5055 }
5056
5057 - (NSNumber *) speed {
5058     return [NSNumber numberWithFloat:speed_];
5059 }
5060
5061 - (NSArray *) events {
5062     return events_;
5063 }
5064
5065 - (void) removeAllEvents {
5066     [events_ removeAllObjects];
5067 }
5068
5069 - (void) addEvent:(CydiaProgressEvent *)event {
5070     [events_ addObject:event];
5071 }
5072
5073 - (void) setTitle:(NSString *)text {
5074     title_ = text;
5075 }
5076
5077 - (NSString *) title {
5078     return title_;
5079 }
5080
5081 - (void) setFinish:(NSString *)text {
5082     finish_ = text;
5083 }
5084
5085 - (NSString *) finish {
5086     return (id) finish_ ?: [NSNull null];
5087 }
5088
5089 - (void) setRunning:(bool)running {
5090     running_ = running;
5091 }
5092
5093 - (NSNumber *) running {
5094     return running_ ? (NSNumber *) kCFBooleanTrue : (NSNumber *) kCFBooleanFalse;
5095 }
5096
5097 @end
5098 /* }}} */
5099 /* Progress Controller {{{ */
5100 @interface ProgressController : CYBrowserController <
5101     ProgressDelegate
5102 > {
5103     _transient Database *database_;
5104     _H<CydiaProgressData> progress_;
5105     unsigned cancel_;
5106 }
5107
5108 - (id) initWithDatabase:(Database *)database delegate:(id)delegate;
5109
5110 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title;
5111
5112 - (void) setTitle:(NSString *)title;
5113 - (void) setCancellable:(bool)cancellable;
5114
5115 @end
5116
5117 @implementation ProgressController
5118
5119 - (void) dealloc {
5120     [database_ setProgressDelegate:nil];
5121     [progress_ setDelegate:nil];
5122     [super dealloc];
5123 }
5124
5125 - (void) updateCancel {
5126     [[self navigationItem] setLeftBarButtonItem:(cancel_ == 1 ? [[[UIBarButtonItem alloc]
5127         initWithTitle:UCLocalize("CANCEL")
5128         style:UIBarButtonItemStylePlain
5129         target:self
5130         action:@selector(cancel)
5131     ] autorelease] : nil)];
5132 }
5133
5134 - (id) initWithDatabase:(Database *)database delegate:(id)delegate {
5135     if ((self = [super init]) != nil) {
5136         database_ = database;
5137         delegate_ = delegate;
5138
5139         [database_ setProgressDelegate:self];
5140
5141         progress_ = [[[CydiaProgressData alloc] init] autorelease];
5142         [progress_ setDelegate:self];
5143
5144         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/progress/", UI_]]];
5145
5146         [scroller_ setBackgroundColor:[UIColor blackColor]];
5147
5148         [[self navigationItem] setHidesBackButton:YES];
5149
5150         [self updateCancel];
5151     } return self;
5152 }
5153
5154 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
5155     [super webView:view didClearWindowObject:window forFrame:frame];
5156     [window setValue:progress_ forKey:@"cydiaProgress"];
5157 }
5158
5159 - (void) updateProgress {
5160     [self dispatchEvent:@"CydiaProgressUpdate"];
5161 }
5162
5163 - (void) viewWillAppear:(BOOL)animated {
5164     if (![self hasLoaded])
5165         [[[self navigationController] navigationBar] setBarStyle:UIBarStyleBlack];
5166
5167     [super viewWillAppear:animated];
5168 }
5169
5170 - (void) close {
5171     UpdateExternalStatus(0);
5172
5173     switch (Finish_) {
5174         case 0:
5175         break;
5176
5177         case 1:
5178             [delegate_ terminateWithSuccess];
5179             /*if ([delegate_ respondsToSelector:@selector(suspendWithAnimation:)])
5180                 [delegate_ suspendWithAnimation:YES];
5181             else
5182                 [delegate_ suspend];*/
5183         break;
5184
5185         case 2:
5186             _trace();
5187             goto reload;
5188
5189         case 3:
5190             _trace();
5191             goto reload;
5192
5193         reload:
5194             system("/usr/bin/sbreload");
5195             _trace();
5196         break;
5197
5198         case 4:
5199             _trace();
5200             if (void (*SBReboot)(mach_port_t) = reinterpret_cast<void (*)(mach_port_t)>(dlsym(RTLD_DEFAULT, "SBReboot")))
5201                 SBReboot(SBSSpringBoardServerPort());
5202             else
5203                 reboot2(RB_AUTOBOOT);
5204         break;
5205     }
5206
5207     [super close];
5208 }
5209
5210 - (void) setTitle:(NSString *)title {
5211     [progress_ setTitle:title];
5212     [self updateProgress];
5213 }
5214
5215 - (UIBarButtonItem *) rightButton {
5216     return [[progress_ running] boolValue] ? nil : [[[UIBarButtonItem alloc]
5217         initWithTitle:UCLocalize("CLOSE")
5218         style:UIBarButtonItemStylePlain
5219         target:self
5220         action:@selector(close)
5221     ] autorelease];
5222 }
5223
5224 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title {
5225     UpdateExternalStatus(1);
5226
5227     [progress_ setRunning:true];
5228     [self setTitle:title];
5229     // implicit updateProgress
5230
5231     SHA1SumValue notifyconf; {
5232         FileFd file;
5233         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
5234             _error->Discard();
5235         else {
5236             MMap mmap(file, MMap::ReadOnly);
5237             SHA1Summation sha1;
5238             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5239             notifyconf = sha1.Result();
5240         }
5241     }
5242
5243     SHA1SumValue springlist; {
5244         FileFd file;
5245         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
5246             _error->Discard();
5247         else {
5248             MMap mmap(file, MMap::ReadOnly);
5249             SHA1Summation sha1;
5250             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5251             springlist = sha1.Result();
5252         }
5253     }
5254
5255     if (invocation != nil) {
5256         [invocation yieldToSelector:@selector(invoke)];
5257         [self setTitle:@"COMPLETE"];
5258     }
5259
5260     if (Finish_ < 4) {
5261         FileFd file;
5262         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
5263             _error->Discard();
5264         else {
5265             MMap mmap(file, MMap::ReadOnly);
5266             SHA1Summation sha1;
5267             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5268             if (!(notifyconf == sha1.Result()))
5269                 Finish_ = 4;
5270         }
5271     }
5272
5273     if (Finish_ < 3) {
5274         FileFd file;
5275         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
5276             _error->Discard();
5277         else {
5278             MMap mmap(file, MMap::ReadOnly);
5279             SHA1Summation sha1;
5280             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5281             if (!(springlist == sha1.Result()))
5282                 Finish_ = 3;
5283         }
5284     }
5285
5286     if (Finish_ < 2) {
5287         if (RestartSubstrate_)
5288             Finish_ = 2;
5289     }
5290
5291     RestartSubstrate_ = false;
5292
5293     switch (Finish_) {
5294         case 0: [progress_ setFinish:UCLocalize("RETURN_TO_CYDIA")]; break; /* XXX: Maybe UCLocalize("DONE")? */
5295         case 1: [progress_ setFinish:UCLocalize("CLOSE_CYDIA")]; break;
5296         case 2: [progress_ setFinish:UCLocalize("RESTART_SPRINGBOARD")]; break;
5297         case 3: [progress_ setFinish:UCLocalize("RELOAD_SPRINGBOARD")]; break;
5298         case 4: [progress_ setFinish:UCLocalize("REBOOT_DEVICE")]; break;
5299     }
5300
5301     _trace();
5302     system("su -c /usr/bin/uicache mobile");
5303     _trace();
5304
5305     UpdateExternalStatus(Finish_ == 0 ? 0 : 2);
5306
5307     [progress_ setRunning:false];
5308     [self updateProgress];
5309
5310     [self applyRightButton];
5311 }
5312
5313 - (void) addProgressEvent:(CydiaProgressEvent *)event {
5314     [progress_ addEvent:event];
5315     [self updateProgress];
5316 }
5317
5318 - (bool) isProgressCancelled {
5319     return cancel_ == 2;
5320 }
5321
5322 - (void) cancel {
5323     cancel_ = 2;
5324     [self updateCancel];
5325 }
5326
5327 - (void) setCancellable:(bool)cancellable {
5328     unsigned cancel(cancel_);
5329
5330     if (!cancellable)
5331         cancel_ = 0;
5332     else if (cancel_ == 0)
5333         cancel_ = 1;
5334
5335     if (cancel != cancel_)
5336         [self updateCancel];
5337 }
5338
5339 - (void) setProgressCancellable:(NSNumber *)cancellable {
5340     [self setCancellable:[cancellable boolValue]];
5341 }
5342
5343 - (void) setProgressPercent:(NSNumber *)percent {
5344     [progress_ setPercent:[percent floatValue]];
5345     [self updateProgress];
5346 }
5347
5348 - (void) setProgressStatus:(NSDictionary *)status {
5349     if (status == nil) {
5350         [progress_ setCurrent:0];
5351         [progress_ setTotal:0];
5352         [progress_ setSpeed:0];
5353     } else {
5354         [progress_ setPercent:[[status objectForKey:@"Percent"] floatValue]];
5355
5356         [progress_ setCurrent:[[status objectForKey:@"Current"] floatValue]];
5357         [progress_ setTotal:[[status objectForKey:@"Total"] floatValue]];
5358         [progress_ setSpeed:[[status objectForKey:@"Speed"] floatValue]];
5359     }
5360
5361     [self updateProgress];
5362 }
5363
5364 @end
5365 /* }}} */
5366
5367 /* Cell Content View {{{ */
5368 @protocol ContentDelegate
5369 - (void) drawContentRect:(CGRect)rect;
5370 @end
5371
5372 @interface ContentView : UIView {
5373     _transient id<ContentDelegate> delegate_;
5374 }
5375
5376 @end
5377
5378 @implementation ContentView
5379
5380 - (id) initWithFrame:(CGRect)frame {
5381     if ((self = [super initWithFrame:frame]) != nil) {
5382         [self setNeedsDisplayOnBoundsChange:YES];
5383     } return self;
5384 }
5385
5386 - (void) setDelegate:(id<ContentDelegate>)delegate {
5387     delegate_ = delegate;
5388 }
5389
5390 - (void) drawRect:(CGRect)rect {
5391     [super drawRect:rect];
5392     [delegate_ drawContentRect:rect];
5393 }
5394
5395 @end
5396 /* }}} */
5397 /* Cydia TableView Cell {{{ */
5398 @interface CYTableViewCell : UITableViewCell {
5399     ContentView *content_;
5400     bool highlighted_;
5401 }
5402
5403 @end
5404
5405 @implementation CYTableViewCell
5406
5407 - (void) dealloc {
5408     [content_ release];
5409     [super dealloc];
5410 }
5411
5412 - (void) _updateHighlightColorsForView:(id)view highlighted:(BOOL)highlighted {
5413     //NSLog(@"_updateHighlightColorsForView:%@ highlighted:%s [content_=%@]", view, highlighted ? "YES" : "NO", content_);
5414
5415     if (view == content_) {
5416         //NSLog(@"_updateHighlightColorsForView:content_ highlighted:%s", highlighted ? "YES" : "NO", content_);
5417         highlighted_ = highlighted;
5418     }
5419
5420     [super _updateHighlightColorsForView:view highlighted:highlighted];
5421 }
5422
5423 - (void) setSelected:(BOOL)selected animated:(BOOL)animated {
5424     //NSLog(@"setSelected:%s animated:%s", selected ? "YES" : "NO", animated ? "YES" : "NO");
5425     highlighted_ = selected;
5426
5427     [super setSelected:selected animated:animated];
5428     [content_ setNeedsDisplay];
5429 }
5430
5431 @end
5432 /* }}} */
5433
5434 /* Package Cell {{{ */
5435 @interface PackageCell : CYTableViewCell <
5436     ContentDelegate
5437 > {
5438     UIImage *icon_;
5439     NSString *name_;
5440     NSString *description_;
5441     bool commercial_;
5442     NSString *source_;
5443     UIImage *badge_;
5444     Package *package_;
5445     UIImage *placard_;
5446 }
5447
5448 - (PackageCell *) init;
5449 - (void) setPackage:(Package *)package;
5450
5451 - (void) drawContentRect:(CGRect)rect;
5452
5453 @end
5454
5455 @implementation PackageCell
5456
5457 - (void) clearPackage {
5458     if (icon_ != nil) {
5459         [icon_ release];
5460         icon_ = nil;
5461     }
5462
5463     if (name_ != nil) {
5464         [name_ release];
5465         name_ = nil;
5466     }
5467
5468     if (description_ != nil) {
5469         [description_ release];
5470         description_ = nil;
5471     }
5472
5473     if (source_ != nil) {
5474         [source_ release];
5475         source_ = nil;
5476     }
5477
5478     if (badge_ != nil) {
5479         [badge_ release];
5480         badge_ = nil;
5481     }
5482
5483     if (placard_ != nil) {
5484         [placard_ release];
5485         placard_ = nil;
5486     }
5487
5488     [package_ release];
5489     package_ = nil;
5490 }
5491
5492 - (void) dealloc {
5493     [self clearPackage];
5494     [super dealloc];
5495 }
5496
5497 - (PackageCell *) init {
5498     CGRect frame(CGRectMake(0, 0, 320, 74));
5499     if ((self = [super initWithFrame:frame reuseIdentifier:@"Package"]) != nil) {
5500         UIView *content([self contentView]);
5501         CGRect bounds([content bounds]);
5502
5503         content_ = [[ContentView alloc] initWithFrame:bounds];
5504         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5505         [content addSubview:content_];
5506
5507         [content_ setDelegate:self];
5508         [content_ setOpaque:YES];
5509     } return self;
5510 }
5511
5512 - (NSString *) accessibilityLabel {
5513     return [NSString stringWithFormat:UCLocalize("COLON_DELIMITED"), name_, description_];
5514 }
5515
5516 - (void) setPackage:(Package *)package {
5517     [self clearPackage];
5518     [package parse];
5519
5520     Source *source = [package source];
5521
5522     icon_ = [[package icon] retain];
5523     name_ = [[package name] retain];
5524
5525     if (IsWildcat_)
5526         description_ = [package longDescription];
5527     if (description_ == nil)
5528         description_ = [package shortDescription];
5529     if (description_ != nil)
5530         description_ = [description_ retain];
5531
5532     commercial_ = [package isCommercial];
5533
5534     package_ = [package retain];
5535
5536     NSString *label = nil;
5537     bool trusted = false;
5538
5539     if (source != nil) {
5540         label = [source label];
5541         trusted = [source trusted];
5542     } else if ([[package id] isEqualToString:@"firmware"])
5543         label = UCLocalize("APPLE");
5544     else
5545         label = [NSString stringWithFormat:UCLocalize("SLASH_DELIMITED"), UCLocalize("UNKNOWN"), UCLocalize("LOCAL")];
5546
5547     NSString *from(label);
5548
5549     NSString *section = [package simpleSection];
5550     if (section != nil && ![section isEqualToString:label]) {
5551         section = [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
5552         from = [NSString stringWithFormat:UCLocalize("PARENTHETICAL"), from, section];
5553     }
5554
5555     from = [NSString stringWithFormat:UCLocalize("FROM"), from];
5556     source_ = [from retain];
5557
5558     if (NSString *purpose = [package primaryPurpose])
5559         if ((badge_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Purposes/%@.png", App_, purpose]]) != nil)
5560             badge_ = [badge_ retain];
5561
5562     UIColor *color;
5563     NSString *placard;
5564
5565     if (NSString *mode = [package_ mode]) {
5566         if ([mode isEqualToString:@"REMOVE"] || [mode isEqualToString:@"PURGE"]) {
5567             color = RemovingColor_;
5568             //placard = @"removing";
5569         } else {
5570             color = InstallingColor_;
5571             //placard = @"installing";
5572         }
5573
5574         // XXX: the removing/installing placards are not @2x
5575         placard = nil;
5576     } else {
5577         color = [UIColor whiteColor];
5578
5579         if ([package installed] != nil)
5580             placard = @"installed";
5581         else
5582             placard = nil;
5583     }
5584
5585     [content_ setBackgroundColor:color];
5586
5587     if (placard != nil)
5588         if ((placard_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/%@.png", App_, placard]]) != nil)
5589             placard_ = [placard_ retain];
5590
5591     [self setNeedsDisplay];
5592     [content_ setNeedsDisplay];
5593 }
5594
5595 - (void) drawContentRect:(CGRect)rect {
5596     bool highlighted(highlighted_);
5597     float width([self bounds].size.width);
5598
5599 #if 0
5600     CGContextRef context(UIGraphicsGetCurrentContext());
5601     [([[self selectedBackgroundView] superview] != nil ? [UIColor clearColor] : [self backgroundColor]) set];
5602     CGContextFillRect(context, rect);
5603 #endif
5604
5605     if (icon_ != nil) {
5606         CGRect rect;
5607         rect.size = [icon_ size];
5608
5609         rect.size.width /= 2;
5610         rect.size.height /= 2;
5611
5612         rect.origin.x = 25 - rect.size.width / 2;
5613         rect.origin.y = 25 - rect.size.height / 2;
5614
5615         [icon_ drawInRect:rect];
5616     }
5617
5618     if (badge_ != nil) {
5619         CGRect rect;
5620         rect.size = [badge_ size];
5621
5622         rect.size.width /= 2;
5623         rect.size.height /= 2;
5624
5625         rect.origin.x = 36 - rect.size.width / 2;
5626         rect.origin.y = 36 - rect.size.height / 2;
5627
5628         [badge_ drawInRect:rect];
5629     }
5630
5631     if (highlighted)
5632         UISetColor(White_);
5633
5634     if (!highlighted)
5635         UISetColor(commercial_ ? Purple_ : Black_);
5636     [name_ drawAtPoint:CGPointMake(48, 8) forWidth:(width - (placard_ == nil ? 80 : 106)) withFont:Font18Bold_ lineBreakMode:UILineBreakModeTailTruncation];
5637     [source_ drawAtPoint:CGPointMake(58, 29) forWidth:(width - 95) withFont:Font12_ lineBreakMode:UILineBreakModeTailTruncation];
5638
5639     if (!highlighted)
5640         UISetColor(commercial_ ? Purplish_ : Gray_);
5641     [description_ drawAtPoint:CGPointMake(12, 46) forWidth:(width - 46) withFont:Font14_ lineBreakMode:UILineBreakModeTailTruncation];
5642
5643     if (placard_ != nil)
5644         [placard_ drawAtPoint:CGPointMake(width - 52, 9)];
5645 }
5646
5647 @end
5648 /* }}} */
5649 /* Section Cell {{{ */
5650 @interface SectionCell : CYTableViewCell <
5651     ContentDelegate
5652 > {
5653     NSString *basic_;
5654     NSString *section_;
5655     NSString *name_;
5656     NSString *count_;
5657     UIImage *icon_;
5658     UISwitch *switch_;
5659     BOOL editing_;
5660 }
5661
5662 - (void) setSection:(Section *)section editing:(BOOL)editing;
5663
5664 @end
5665
5666 @implementation SectionCell
5667
5668 - (void) clearSection {
5669     if (basic_ != nil) {
5670         [basic_ release];
5671         basic_ = nil;
5672     }
5673
5674     if (section_ != nil) {
5675         [section_ release];
5676         section_ = nil;
5677     }
5678
5679     if (name_ != nil) {
5680         [name_ release];
5681         name_ = nil;
5682     }
5683
5684     if (count_ != nil) {
5685         [count_ release];
5686         count_ = nil;
5687     }
5688 }
5689
5690 - (void) dealloc {
5691     [self clearSection];
5692     [icon_ release];
5693     [switch_ release];
5694     [super dealloc];
5695 }
5696
5697 - (id) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
5698     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
5699         icon_ = [[UIImage applicationImageNamed:@"folder.png"] retain];
5700         switch_ = [[UISwitch alloc] initWithFrame:CGRectMake(218, 9, 60, 25)];
5701         [switch_ addTarget:self action:@selector(onSwitch:) forEvents:UIControlEventValueChanged];
5702
5703         UIView *content([self contentView]);
5704         CGRect bounds([content bounds]);
5705
5706         content_ = [[ContentView alloc] initWithFrame:bounds];
5707         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5708         [content addSubview:content_];
5709         [content_ setBackgroundColor:[UIColor whiteColor]];
5710
5711         [content_ setDelegate:self];
5712     } return self;
5713 }
5714
5715 - (void) onSwitch:(id)sender {
5716     NSMutableDictionary *metadata([Sections_ objectForKey:basic_]);
5717     if (metadata == nil) {
5718         metadata = [NSMutableDictionary dictionaryWithCapacity:2];
5719         [Sections_ setObject:metadata forKey:basic_];
5720     }
5721
5722     [metadata setObject:[NSNumber numberWithBool:([switch_ isOn] == NO)] forKey:@"Hidden"];
5723     Changed_ = true;
5724 }
5725
5726 - (void) setSection:(Section *)section editing:(BOOL)editing {
5727     if (editing != editing_) {
5728         if (editing_)
5729             [switch_ removeFromSuperview];
5730         else
5731             [self addSubview:switch_];
5732         editing_ = editing;
5733     }
5734
5735     [self clearSection];
5736
5737     if (section == nil) {
5738         name_ = [UCLocalize("ALL_PACKAGES") retain];
5739         count_ = nil;
5740     } else {
5741         basic_ = [section name];
5742         if (basic_ != nil)
5743             basic_ = [basic_ retain];
5744
5745         section_ = [section localized];
5746         if (section_ != nil)
5747             section_ = [section_ retain];
5748
5749         name_  = [(section_ == nil || [section_ length] == 0 ? UCLocalize("NO_SECTION") : section_) retain];
5750         count_ = [[NSString stringWithFormat:@"%d", [section count]] retain];
5751
5752         if (editing_)
5753             [switch_ setOn:(isSectionVisible(basic_) ? 1 : 0) animated:NO];
5754     }
5755
5756     [self setAccessoryType:editing ? UITableViewCellAccessoryNone : UITableViewCellAccessoryDisclosureIndicator];
5757     [self setSelectionStyle:editing ? UITableViewCellSelectionStyleNone : UITableViewCellSelectionStyleBlue];
5758
5759     [content_ setNeedsDisplay];
5760 }
5761
5762 - (void) setFrame:(CGRect)frame {
5763     [super setFrame:frame];
5764
5765     CGRect rect([switch_ frame]);
5766     [switch_ setFrame:CGRectMake(frame.size.width - 102, 9, rect.size.width, rect.size.height)];
5767 }
5768
5769 - (NSString *) accessibilityLabel {
5770     return name_;
5771 }
5772
5773 - (void) drawContentRect:(CGRect)rect {
5774     bool highlighted(highlighted_ && !editing_);
5775
5776     [icon_ drawInRect:CGRectMake(8, 7, 32, 32)];
5777
5778     if (highlighted)
5779         UISetColor(White_);
5780
5781     float width(rect.size.width);
5782     if (editing_)
5783         width -= 87;
5784
5785     if (!highlighted)
5786         UISetColor(Black_);
5787     [name_ drawAtPoint:CGPointMake(48, 9) forWidth:(width - 70) withFont:Font22Bold_ lineBreakMode:UILineBreakModeTailTruncation];
5788
5789     CGSize size = [count_ sizeWithFont:Font14_];
5790
5791     UISetColor(White_);
5792     if (count_ != nil)
5793         [count_ drawAtPoint:CGPointMake(13 + (29 - size.width) / 2, 16) withFont:Font12Bold_];
5794 }
5795
5796 @end
5797 /* }}} */
5798
5799 /* File Table {{{ */
5800 @interface FileTable : CYViewController <
5801     UITableViewDataSource,
5802     UITableViewDelegate
5803 > {
5804     _transient Database *database_;
5805     Package *package_;
5806     NSString *name_;
5807     NSMutableArray *files_;
5808     UITableView *list_;
5809 }
5810
5811 - (id) initWithDatabase:(Database *)database;
5812 - (void) setPackage:(Package *)package;
5813
5814 @end
5815
5816 @implementation FileTable
5817
5818 - (void) dealloc {
5819     [self releaseSubviews];
5820
5821     [package_ release];
5822     [name_ release];
5823     [files_ release];
5824
5825     [super dealloc];
5826 }
5827
5828 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
5829     return files_ == nil ? 0 : [files_ count];
5830 }
5831
5832 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
5833     return 24.0f;
5834 }*/
5835
5836 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
5837     static NSString *reuseIdentifier = @"Cell";
5838
5839     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
5840     if (cell == nil) {
5841         cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
5842         [cell setFont:[UIFont systemFontOfSize:16]];
5843     }
5844     [cell setText:[files_ objectAtIndex:indexPath.row]];
5845     [cell setSelectionStyle:UITableViewCellSelectionStyleNone];
5846
5847     return cell;
5848 }
5849
5850 - (NSURL *) navigationURL {
5851     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/files", [package_ id]]];
5852 }
5853
5854 - (void) loadView {
5855     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
5856
5857     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds]];
5858     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5859     [list_ setRowHeight:24.0f];
5860     [list_ setDataSource:self];
5861     [list_ setDelegate:self];
5862     [[self view] addSubview:list_];
5863 }
5864
5865 - (void) viewDidLoad {
5866     [[self navigationItem] setTitle:UCLocalize("INSTALLED_FILES")];
5867 }
5868
5869 - (void) releaseSubviews {
5870     [list_ release];
5871     list_ = nil;
5872 }
5873
5874 - (id) initWithDatabase:(Database *)database {
5875     if ((self = [super init]) != nil) {
5876         database_ = database;
5877
5878         files_ = [[NSMutableArray arrayWithCapacity:32] retain];
5879     } return self;
5880 }
5881
5882 - (void) setPackage:(Package *)package {
5883     if (package_ != nil) {
5884         [package_ autorelease];
5885         package_ = nil;
5886     }
5887
5888     if (name_ != nil) {
5889         [name_ release];
5890         name_ = nil;
5891     }
5892
5893     [files_ removeAllObjects];
5894
5895     if (package != nil) {
5896         package_ = [package retain];
5897         name_ = [[package id] retain];
5898
5899         if (NSArray *files = [package files])
5900             [files_ addObjectsFromArray:files];
5901
5902         if ([files_ count] != 0) {
5903             if ([[files_ objectAtIndex:0] isEqualToString:@"/."])
5904                 [files_ removeObjectAtIndex:0];
5905             [files_ sortUsingSelector:@selector(compareByPath:)];
5906
5907             NSMutableArray *stack = [NSMutableArray arrayWithCapacity:8];
5908             [stack addObject:@"/"];
5909
5910             for (int i(0), e([files_ count]); i != e; ++i) {
5911                 NSString *file = [files_ objectAtIndex:i];
5912                 while (![file hasPrefix:[stack lastObject]])
5913                     [stack removeLastObject];
5914                 NSString *directory = [stack lastObject];
5915                 [stack addObject:[file stringByAppendingString:@"/"]];
5916                 [files_ replaceObjectAtIndex:i withObject:[NSString stringWithFormat:@"%*s%@",
5917                     ([stack count] - 2) * 3, "",
5918                     [file substringFromIndex:[directory length]]
5919                 ]];
5920             }
5921         }
5922     }
5923
5924     [list_ reloadData];
5925 }
5926
5927 - (void) reloadData {
5928     [super reloadData];
5929
5930     [self setPackage:[database_ packageWithName:name_]];
5931 }
5932
5933 @end
5934 /* }}} */
5935 /* Package Controller {{{ */
5936 @interface CYPackageController : CYBrowserController <
5937     UIActionSheetDelegate
5938 > {
5939     _transient Database *database_;
5940     _H<Package> package_;
5941     _H<NSString> name_;
5942     bool commercial_;
5943     _H<NSMutableArray> buttons_;
5944     _H<UIBarButtonItem> button_;
5945 }
5946
5947 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name;
5948
5949 @end
5950
5951 @implementation CYPackageController
5952
5953 - (NSURL *) navigationURL {
5954     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@", (id) name_]];
5955 }
5956
5957 /* XXX: this is not safe at all... localization of /fail/ */
5958 - (void) _clickButtonWithName:(NSString *)name {
5959     if ([name isEqualToString:UCLocalize("CLEAR")])
5960         [delegate_ clearPackage:package_];
5961     else if ([name isEqualToString:UCLocalize("INSTALL")])
5962         [delegate_ installPackage:package_];
5963     else if ([name isEqualToString:UCLocalize("REINSTALL")])
5964         [delegate_ installPackage:package_];
5965     else if ([name isEqualToString:UCLocalize("REMOVE")])
5966         [delegate_ removePackage:package_];
5967     else if ([name isEqualToString:UCLocalize("UPGRADE")])
5968         [delegate_ installPackage:package_];
5969     else _assert(false);
5970 }
5971
5972 - (void) actionSheet:(UIActionSheet *)sheet clickedButtonAtIndex:(NSInteger)button {
5973     NSString *context([sheet context]);
5974
5975     if ([context isEqualToString:@"modify"]) {
5976         if (button != [sheet cancelButtonIndex]) {
5977             NSString *buttonName = [buttons_ objectAtIndex:button];
5978             [self _clickButtonWithName:buttonName];
5979         }
5980
5981         [sheet dismissWithClickedButtonIndex:-1 animated:YES];
5982     }
5983 }
5984
5985 - (bool) _allowJavaScriptPanel {
5986     return commercial_;
5987 }
5988
5989 #if !AlwaysReload
5990 - (void) _customButtonClicked {
5991     int count([buttons_ count]);
5992     if (count == 0)
5993         return;
5994
5995     if (count == 1)
5996         [self _clickButtonWithName:[buttons_ objectAtIndex:0]];
5997     else {
5998         NSMutableArray *buttons = [NSMutableArray arrayWithCapacity:count];
5999         [buttons addObjectsFromArray:buttons_];
6000
6001         UIActionSheet *sheet = [[[UIActionSheet alloc]
6002             initWithTitle:nil
6003             delegate:self
6004             cancelButtonTitle:nil
6005             destructiveButtonTitle:nil
6006             otherButtonTitles:nil
6007         ] autorelease];
6008
6009         for (NSString *button in buttons) [sheet addButtonWithTitle:button];
6010         if (!IsWildcat_) {
6011            [sheet addButtonWithTitle:UCLocalize("CANCEL")];
6012            [sheet setCancelButtonIndex:[sheet numberOfButtons] - 1];
6013         }
6014         [sheet setContext:@"modify"];
6015
6016         [delegate_ showActionSheet:sheet fromItem:[[self navigationItem] rightBarButtonItem]];
6017     }
6018 }
6019
6020 // We don't want to allow non-commercial packages to do custom things to the install button,
6021 // so it must call customButtonClicked with a custom commercial_ == 1 fallthrough.
6022 - (void) customButtonClicked {
6023     if (commercial_)
6024         [super customButtonClicked];
6025     else
6026         [self _customButtonClicked];
6027 }
6028
6029 - (void) reloadButtonClicked {
6030     // Don't reload a commerical package by tapping the loading button,
6031     // but if it's not an Install button, we should forward it on.
6032     if (![package_ uninstalled])
6033         [self _customButtonClicked];
6034 }
6035
6036 - (void) applyLoadingTitle {
6037     // Don't show "Loading" as the title. Ever.
6038 }
6039
6040 - (UIBarButtonItem *) rightButton {
6041     return button_;
6042 }
6043 #endif
6044
6045 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name {
6046     if ((self = [super init]) != nil) {
6047         database_ = database;
6048         buttons_ = [NSMutableArray arrayWithCapacity:4];
6049         name_ = [NSString stringWithString:name];
6050         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/package/%@", UI_, (id) name_]]];
6051     } return self;
6052 }
6053
6054 - (void) reloadData {
6055     package_ = [database_ packageWithName:name_];
6056
6057     [buttons_ removeAllObjects];
6058
6059     if (package_ != nil) {
6060         [(Package *) package_ parse];
6061
6062         commercial_ = [package_ isCommercial];
6063
6064         if ([package_ mode] != nil)
6065             [buttons_ addObject:UCLocalize("CLEAR")];
6066         if ([package_ source] == nil);
6067         else if ([package_ upgradableAndEssential:NO])
6068             [buttons_ addObject:UCLocalize("UPGRADE")];
6069         else if ([package_ uninstalled])
6070             [buttons_ addObject:UCLocalize("INSTALL")];
6071         else
6072             [buttons_ addObject:UCLocalize("REINSTALL")];
6073         if (![package_ uninstalled])
6074             [buttons_ addObject:UCLocalize("REMOVE")];
6075     }
6076
6077     NSString *title;
6078     switch ([buttons_ count]) {
6079         case 0: title = nil; break;
6080         case 1: title = [buttons_ objectAtIndex:0]; break;
6081         default: title = UCLocalize("MODIFY"); break;
6082     }
6083
6084     button_ = [[[UIBarButtonItem alloc]
6085         initWithTitle:title
6086         style:UIBarButtonItemStylePlain
6087         target:self
6088         action:@selector(customButtonClicked)
6089     ] autorelease];
6090
6091     [super reloadData];
6092 }
6093
6094 - (bool) isLoading {
6095     return commercial_ ? [super isLoading] : false;
6096 }
6097
6098 @end
6099 /* }}} */
6100
6101 /* Package List Controller {{{ */
6102 @interface PackageListController : CYViewController <
6103     UITableViewDataSource,
6104     UITableViewDelegate
6105 > {
6106     _transient Database *database_;
6107     unsigned era_;
6108     NSMutableArray *packages_;
6109     NSMutableArray *sections_;
6110     UITableView *list_;
6111     NSMutableArray *index_;
6112     NSMutableDictionary *indices_;
6113     NSString *title_;
6114 }
6115
6116 - (id) initWithDatabase:(Database *)database title:(NSString *)title;
6117 - (void) setDelegate:(id)delegate;
6118 - (void) resetCursor;
6119
6120 @end
6121
6122 @implementation PackageListController
6123
6124 - (void) dealloc {
6125     [packages_ release];
6126     [sections_ release];
6127     [list_ release];
6128     [index_ release];
6129     [indices_ release];
6130     [title_ release];
6131
6132     [super dealloc];
6133 }
6134
6135 - (void) deselectWithAnimation:(BOOL)animated {
6136     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
6137 }
6138
6139 - (void) resizeForKeyboardBounds:(CGRect)bounds duration:(NSTimeInterval)duration curve:(UIViewAnimationCurve)curve {
6140     CGRect base = [[self view] bounds];
6141     base.size.height -= bounds.size.height;
6142     base.origin = [list_ frame].origin;
6143
6144     [UIView beginAnimations:nil context:NULL];
6145     [UIView setAnimationBeginsFromCurrentState:YES];
6146     [UIView setAnimationCurve:curve];
6147     [UIView setAnimationDuration:duration];
6148     [list_ setFrame:base];
6149     [UIView commitAnimations];
6150 }
6151
6152 - (void) resizeForKeyboardBounds:(CGRect)bounds duration:(NSTimeInterval)duration {
6153     [self resizeForKeyboardBounds:bounds duration:duration curve:UIViewAnimationCurveLinear];
6154 }
6155
6156 - (void) resizeForKeyboardBounds:(CGRect)bounds {
6157     [self resizeForKeyboardBounds:bounds duration:0];
6158 }
6159
6160 - (void) keyboardWillShow:(NSNotification *)notification {
6161     CGRect bounds;
6162     CGPoint center;
6163     NSTimeInterval duration;
6164     UIViewAnimationCurve curve;
6165     [[[notification userInfo] objectForKey:UIKeyboardBoundsUserInfoKey] getValue:&bounds];
6166     [[[notification userInfo] objectForKey:UIKeyboardCenterEndUserInfoKey] getValue:&center];
6167     [[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] getValue:&curve];
6168     [[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] getValue:&duration];
6169
6170     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);
6171     UIViewController *base = self;
6172     while ([base parentViewController] != nil)
6173         base = [base parentViewController];
6174     CGRect viewframe = [[base view] convertRect:[list_ frame] fromView:[list_ superview]];
6175     CGRect intersection = CGRectIntersection(viewframe, kbframe);
6176
6177     [self resizeForKeyboardBounds:intersection duration:duration curve:curve];
6178 }
6179
6180 - (void) keyboardWillHide:(NSNotification *)notification {
6181     NSTimeInterval duration;
6182     UIViewAnimationCurve curve;
6183     [[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] getValue:&curve];
6184     [[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] getValue:&duration];
6185
6186     [self resizeForKeyboardBounds:CGRectZero duration:duration curve:curve];
6187 }
6188
6189 - (void) viewWillAppear:(BOOL)animated {
6190     [super viewWillAppear:animated];
6191
6192     [self resizeForKeyboardBounds:CGRectZero];
6193     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil];
6194     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil];
6195 }
6196
6197 - (void) viewWillDisappear:(BOOL)animated {
6198     [super viewWillDisappear:animated];
6199
6200     [self resizeForKeyboardBounds:CGRectZero];
6201     [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillShowNotification object:nil];
6202     [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillHideNotification object:nil];
6203 }
6204
6205 - (void) viewDidAppear:(BOOL)animated {
6206     [super viewDidAppear:animated];
6207     [self deselectWithAnimation:animated];
6208 }
6209
6210 - (void) didSelectPackage:(Package *)package {
6211     CYPackageController *view([[[CYPackageController alloc] initWithDatabase:database_ forPackage:[package id]] autorelease]);
6212     [view setDelegate:delegate_];
6213     [[self navigationController] pushViewController:view animated:YES];
6214 }
6215
6216 #if TryIndexedCollation
6217 + (BOOL) hasIndexedCollation {
6218     return NO; // XXX: objc_getClass("UILocalizedIndexedCollation") != nil;
6219 }
6220 #endif
6221
6222 - (NSInteger) numberOfSectionsInTableView:(UITableView *)list {
6223     NSInteger count([sections_ count]);
6224     return count == 0 ? 1 : count;
6225 }
6226
6227 - (NSString *) tableView:(UITableView *)list titleForHeaderInSection:(NSInteger)section {
6228     if ([sections_ count] == 0 || [[sections_ objectAtIndex:section] count] == 0)
6229         return nil;
6230     return [[sections_ objectAtIndex:section] name];
6231 }
6232
6233 - (NSInteger) tableView:(UITableView *)list numberOfRowsInSection:(NSInteger)section {
6234     if ([sections_ count] == 0)
6235         return 0;
6236     return [[sections_ objectAtIndex:section] count];
6237 }
6238
6239 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
6240 @synchronized (database_) {
6241     if ([database_ era] != era_)
6242         return nil;
6243
6244     Section *section([sections_ objectAtIndex:[path section]]);
6245     NSInteger row([path row]);
6246     Package *package([packages_ objectAtIndex:([section row] + row)]);
6247     return [[package retain] autorelease];
6248 } }
6249
6250 - (UITableViewCell *) tableView:(UITableView *)table cellForRowAtIndexPath:(NSIndexPath *)path {
6251     PackageCell *cell((PackageCell *) [table dequeueReusableCellWithIdentifier:@"Package"]);
6252     if (cell == nil)
6253         cell = [[[PackageCell alloc] init] autorelease];
6254     [cell setPackage:[self packageAtIndexPath:path]];
6255     return cell;
6256 }
6257
6258 - (void) tableView:(UITableView *)table didSelectRowAtIndexPath:(NSIndexPath *)path {
6259     Package *package([self packageAtIndexPath:path]);
6260     package = [database_ packageWithName:[package id]];
6261     [self didSelectPackage:package];
6262 }
6263
6264 - (NSArray *) sectionIndexTitlesForTableView:(UITableView *)tableView {
6265     // XXX: is 20 the most optimal number here?
6266     return [packages_ count] > 20 ? index_ : nil;
6267 }
6268
6269 - (NSInteger) tableView:(UITableView *)tableView sectionForSectionIndexTitle:(NSString *)title atIndex:(NSInteger)index {
6270 #if TryIndexedCollation
6271     if ([[self class] hasIndexedCollation]) {
6272         return [[objc_getClass("UILocalizedIndexedCollation") currentCollation] sectionForSectionIndexTitleAtIndex:index];
6273     }
6274 #endif
6275
6276     return index;
6277 }
6278
6279 - (id) initWithDatabase:(Database *)database title:(NSString *)title {
6280     if ((self = [super init]) != nil) {
6281         database_ = database;
6282         title_ = [title copy];
6283         [[self navigationItem] setTitle:title_];
6284
6285 #if TryIndexedCollation
6286         if ([[self class] hasIndexedCollation])
6287             index_ = [[[objc_getClass("UILocalizedIndexedCollation") currentCollation] sectionIndexTitles] retain]
6288         else
6289 #endif
6290             index_ = [[NSMutableArray alloc] initWithCapacity:32];
6291
6292         indices_ = [[NSMutableDictionary alloc] initWithCapacity:32];
6293
6294         packages_ = [[NSMutableArray arrayWithCapacity:16] retain];
6295         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
6296
6297         list_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain];
6298         [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6299         [list_ setRowHeight:73];
6300         [[self view] addSubview:list_];
6301
6302         [list_ setDataSource:self];
6303         [list_ setDelegate:self];
6304     } return self;
6305 }
6306
6307 - (void) setDelegate:(id)delegate {
6308     delegate_ = delegate;
6309 }
6310
6311 - (bool) hasPackage:(Package *)package {
6312     return true;
6313 }
6314
6315 - (void) reloadData {
6316     [super reloadData];
6317
6318     era_ = [database_ era];
6319     NSArray *packages = [database_ packages];
6320
6321     [packages_ removeAllObjects];
6322     [sections_ removeAllObjects];
6323
6324     _profile(PackageTable$reloadData$Filter)
6325         for (Package *package in packages)
6326             if ([self hasPackage:package])
6327                 [packages_ addObject:package];
6328     _end
6329
6330     [indices_ removeAllObjects];
6331
6332     Section *section = nil;
6333
6334 #if TryIndexedCollation
6335     if ([[self class] hasIndexedCollation]) {
6336         id collation = [objc_getClass("UILocalizedIndexedCollation") currentCollation];
6337         NSArray *titles = [collation sectionIndexTitles];
6338         int secidx = -1;
6339
6340         _profile(PackageTable$reloadData$Section)
6341             for (size_t offset(0), end([packages_ count]); offset != end; ++offset) {
6342                 Package *package;
6343                 int index;
6344
6345                 _profile(PackageTable$reloadData$Section$Package)
6346                     package = [packages_ objectAtIndex:offset];
6347                     index = [collation sectionForObject:package collationStringSelector:@selector(name)];
6348                 _end
6349
6350                 while (secidx < index) {
6351                     secidx += 1;
6352
6353                     _profile(PackageTable$reloadData$Section$Allocate)
6354                         section = [[[Section alloc] initWithName:[titles objectAtIndex:secidx] row:offset localize:NO] autorelease];
6355                     _end
6356
6357                     _profile(PackageTable$reloadData$Section$Add)
6358                         [sections_ addObject:section];
6359                     _end
6360                 }
6361
6362                 [section addToCount];
6363             }
6364         _end
6365     } else
6366 #endif
6367     {
6368         [index_ removeAllObjects];
6369
6370         _profile(PackageTable$reloadData$Section)
6371             for (size_t offset(0), end([packages_ count]); offset != end; ++offset) {
6372                 Package *package;
6373                 unichar index;
6374
6375                 _profile(PackageTable$reloadData$Section$Package)
6376                     package = [packages_ objectAtIndex:offset];
6377                     index = [package index];
6378                 _end
6379
6380                 if (section == nil || [section index] != index) {
6381                     _profile(PackageTable$reloadData$Section$Allocate)
6382                         section = [[[Section alloc] initWithIndex:index row:offset] autorelease];
6383                     _end
6384
6385                     [index_ addObject:[section name]];
6386                     //[indices_ setObject:[NSNumber numberForInt:[sections_ count]] forKey:index];
6387
6388                     _profile(PackageTable$reloadData$Section$Add)
6389                         [sections_ addObject:section];
6390                     _end
6391                 }
6392
6393                 [section addToCount];
6394             }
6395         _end
6396     }
6397
6398     _profile(PackageTable$reloadData$List)
6399         [list_ reloadData];
6400     _end
6401 }
6402
6403 - (void) resetCursor {
6404     [list_ scrollRectToVisible:CGRectMake(0, 0, 0, 0) animated:NO];
6405 }
6406
6407 @end
6408 /* }}} */
6409 /* Filtered Package List Controller {{{ */
6410 @interface FilteredPackageListController : PackageListController {
6411     SEL filter_;
6412     IMP imp_;
6413     id object_;
6414 }
6415
6416 - (void) setObject:(id)object;
6417 - (void) setObject:(id)object forFilter:(SEL)filter;
6418
6419 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object;
6420
6421 @end
6422
6423 @implementation FilteredPackageListController
6424
6425 - (void) dealloc {
6426     if (object_ != nil)
6427         [object_ release];
6428     [super dealloc];
6429 }
6430
6431 - (void) setFilter:(SEL)filter {
6432     filter_ = filter;
6433
6434     /* XXX: this is an unsafe optimization of doomy hell */
6435     Method method(class_getInstanceMethod([Package class], filter));
6436     _assert(method != NULL);
6437     imp_ = method_getImplementation(method);
6438     _assert(imp_ != NULL);
6439 }
6440
6441 - (void) setObject:(id)object {
6442     if (object_ != nil)
6443         [object_ release];
6444     if (object == nil)
6445         object_ = nil;
6446     else
6447         object_ = [object retain];
6448 }
6449
6450 - (void) setObject:(id)object forFilter:(SEL)filter {
6451     [self setFilter:filter];
6452     [self setObject:object];
6453 }
6454
6455 - (bool) hasPackage:(Package *)package {
6456     _profile(FilteredPackageTable$hasPackage)
6457         return [package valid] && (*reinterpret_cast<bool (*)(id, SEL, id)>(imp_))(package, filter_, object_);
6458     _end
6459 }
6460
6461 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object {
6462     if ((self = [super initWithDatabase:database title:title]) != nil) {
6463         [self setFilter:filter];
6464         [self setObject:object];
6465     } return self;
6466 }
6467
6468 @end
6469 /* }}} */
6470
6471 /* Home Controller {{{ */
6472 @interface HomeController : CYBrowserController {
6473 }
6474
6475 @end
6476
6477 @implementation HomeController
6478
6479 - (id) init {
6480     if ((self = [super init]) != nil) {
6481         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/home/", UI_]]];
6482     } return self;
6483 }
6484
6485 - (NSURL *) navigationURL {
6486     return [NSURL URLWithString:@"cydia://home"];
6487 }
6488
6489 - (void) aboutButtonClicked {
6490     UIAlertView *alert([[[UIAlertView alloc] init] autorelease]);
6491
6492     [alert setTitle:UCLocalize("ABOUT_CYDIA")];
6493     [alert addButtonWithTitle:UCLocalize("CLOSE")];
6494     [alert setCancelButtonIndex:0];
6495
6496     [alert setMessage:
6497         @"Copyright (C) 2008-2011\n"
6498         "Jay Freeman (saurik)\n"
6499         "saurik@saurik.com\n"
6500         "http://www.saurik.com/"
6501     ];
6502
6503     [alert show];
6504 }
6505
6506 - (void) viewDidLoad {
6507     [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
6508         initWithTitle:UCLocalize("ABOUT")
6509         style:UIBarButtonItemStylePlain
6510         target:self
6511         action:@selector(aboutButtonClicked)
6512     ] autorelease]];
6513 }
6514
6515 @end
6516 /* }}} */
6517 /* Manage Controller {{{ */
6518 @interface ManageController : CYBrowserController {
6519 }
6520
6521 - (void) queueStatusDidChange;
6522
6523 @end
6524
6525 @implementation ManageController
6526
6527 - (id) init {
6528     if ((self = [super init]) != nil) {
6529         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/manage/", UI_]]];
6530     } return self;
6531 }
6532
6533 - (NSURL *) navigationURL {
6534     return [NSURL URLWithString:@"cydia://manage"];
6535 }
6536
6537 - (void) viewDidLoad {
6538     [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
6539         initWithTitle:UCLocalize("SETTINGS")
6540         style:UIBarButtonItemStylePlain
6541         target:self
6542         action:@selector(settingsButtonClicked)
6543     ] autorelease]];
6544
6545     [self queueStatusDidChange];
6546 }
6547
6548 - (void) settingsButtonClicked {
6549     [delegate_ showSettings];
6550 }
6551
6552 #if !AlwaysReload
6553 - (void) queueButtonClicked {
6554     [delegate_ queue];
6555 }
6556
6557 - (void) applyLoadingTitle {
6558     // Disable "Loading" title.
6559 }
6560
6561 - (void) applyRightButton {
6562     // Disable right button.
6563 }
6564 #endif
6565
6566 - (void) queueStatusDidChange {
6567 #if !AlwaysReload
6568     if (!IsWildcat_ && Queuing_) {
6569         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
6570             initWithTitle:UCLocalize("QUEUE")
6571             style:UIBarButtonItemStyleDone
6572             target:self
6573             action:@selector(queueButtonClicked)
6574         ] autorelease]];
6575     } else {
6576         [[self navigationItem] setRightBarButtonItem:nil];
6577     }
6578 #endif
6579 }
6580
6581 - (bool) isLoading {
6582     // Never show as loading.
6583     return false;
6584 }
6585
6586 @end
6587 /* }}} */
6588
6589 /* Refresh Bar {{{ */
6590 @interface RefreshBar : UINavigationBar {
6591     UIProgressIndicator *indicator_;
6592     UITextLabel *prompt_;
6593     UIProgressBar *progress_;
6594     UINavigationButton *cancel_;
6595 }
6596
6597 @end
6598
6599 @implementation RefreshBar
6600
6601 - (void) dealloc {
6602     [indicator_ release];
6603     [prompt_ release];
6604     [progress_ release];
6605     [cancel_ release];
6606     [super dealloc];
6607 }
6608
6609 - (void) positionViews {
6610     CGRect frame = [cancel_ frame];
6611     frame.size = [cancel_ sizeThatFits:frame.size];
6612     frame.origin.x = [self frame].size.width - frame.size.width - 5;
6613     frame.origin.y = ([self frame].size.height - frame.size.height) / 2;
6614     [cancel_ setFrame:frame];
6615
6616     CGSize prgsize = {75, 100};
6617     CGRect prgrect = {{
6618         [self frame].size.width - prgsize.width - 10,
6619         ([self frame].size.height - prgsize.height) / 2
6620     } , prgsize};
6621     [progress_ setFrame:prgrect];
6622
6623     CGSize indsize([UIProgressIndicator defaultSizeForStyle:[indicator_ activityIndicatorViewStyle]]);
6624     unsigned indoffset = ([self frame].size.height - indsize.height) / 2;
6625     CGRect indrect = {{indoffset, indoffset}, indsize};
6626     [indicator_ setFrame:indrect];
6627
6628     CGSize prmsize = {215, indsize.height + 4};
6629     CGRect prmrect = {{
6630         indoffset * 2 + indsize.width,
6631         unsigned([self frame].size.height - prmsize.height) / 2 - 1
6632     }, prmsize};
6633     [prompt_ setFrame:prmrect];
6634 }
6635
6636 - (void) setFrame:(CGRect)frame {
6637     [super setFrame:frame];
6638     [self positionViews];
6639 }
6640
6641 - (id) initWithFrame:(CGRect)frame delegate:(id)delegate {
6642     if ((self = [super initWithFrame:frame]) != nil) {
6643         [self setAutoresizingMask:UIViewAutoresizingFlexibleWidth];
6644
6645         [self setBarStyle:UIBarStyleBlack];
6646
6647         UIBarStyle barstyle([self _barStyle:NO]);
6648         bool ugly(barstyle == UIBarStyleDefault);
6649
6650         UIProgressIndicatorStyle style = ugly ?
6651             UIProgressIndicatorStyleMediumBrown :
6652             UIProgressIndicatorStyleMediumWhite;
6653
6654         indicator_ = [[UIProgressIndicator alloc] initWithFrame:CGRectZero];
6655         [indicator_ setStyle:style];
6656         [indicator_ startAnimation];
6657         [self addSubview:indicator_];
6658
6659         prompt_ = [[UITextLabel alloc] initWithFrame:CGRectZero];
6660         [prompt_ setColor:[UIColor colorWithCGColor:(ugly ? Blueish_ : Off_)]];
6661         [prompt_ setBackgroundColor:[UIColor clearColor]];
6662         [prompt_ setFont:[UIFont systemFontOfSize:15]];
6663         [self addSubview:prompt_];
6664
6665         progress_ = [[UIProgressBar alloc] initWithFrame:CGRectZero];
6666         [progress_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleLeftMargin];
6667         [progress_ setStyle:0];
6668         [self addSubview:progress_];
6669
6670         cancel_ = [[UINavigationButton alloc] initWithTitle:UCLocalize("CANCEL") style:UINavigationButtonStyleHighlighted];
6671         [cancel_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
6672         [cancel_ addTarget:delegate action:@selector(cancelPressed) forControlEvents:UIControlEventTouchUpInside];
6673         [cancel_ setBarStyle:barstyle];
6674
6675         [self positionViews];
6676     } return self;
6677 }
6678
6679 - (void) setCancellable:(bool)cancellable {
6680     if (cancellable)
6681         [self addSubview:cancel_];
6682     else
6683         [cancel_ removeFromSuperview];
6684 }
6685
6686 - (void) start {
6687     [prompt_ setText:UCLocalize("UPDATING_DATABASE")];
6688     [progress_ setProgress:0];
6689 }
6690
6691 - (void) stop {
6692     [self setCancellable:NO];
6693 }
6694
6695 - (void) setPrompt:(NSString *)prompt {
6696     [prompt_ setText:prompt];
6697 }
6698
6699 - (void) setProgress:(float)progress {
6700     [progress_ setProgress:progress];
6701 }
6702
6703 @end
6704 /* }}} */
6705
6706 @class CYNavigationController;
6707
6708 /* Cydia Tab Bar Controller {{{ */
6709 @interface CYTabBarController : UITabBarController <
6710     UITabBarControllerDelegate,
6711     ProgressDelegate
6712 > {
6713     _transient Database *database_;
6714     RefreshBar *refreshbar_;
6715
6716     bool dropped_;
6717     bool updating_;
6718     // XXX: ok, "updatedelegate_"?...
6719     _transient NSObject<CydiaDelegate> *updatedelegate_;
6720
6721     id root_;
6722     UIViewController *remembered_;
6723     _transient UIViewController *transient_;
6724 }
6725
6726 - (NSArray *) navigationURLCollection;
6727 - (void) dropBar:(BOOL)animated;
6728 - (void) beginUpdate;
6729 - (void) raiseBar:(BOOL)animated;
6730 - (BOOL) updating;
6731
6732 @end
6733
6734 @implementation CYTabBarController
6735
6736 - (void) setUnselectedViewController:(UIViewController *)transient {
6737     NSMutableArray *controllers = [[self viewControllers] mutableCopy];
6738     if (transient != nil) {
6739         if (transient_ == nil)
6740             remembered_ = [[controllers objectAtIndex:0] retain];
6741         transient_ = transient;
6742         [transient_ setTabBarItem:[remembered_ tabBarItem]];
6743         [controllers replaceObjectAtIndex:0 withObject:transient_];
6744         [self setSelectedIndex:0];
6745         [self setViewControllers:controllers];
6746         [self concealTabBarSelection];
6747     } else if (remembered_ != nil) {
6748         [remembered_ setTabBarItem:[transient_ tabBarItem]];
6749         transient_ = transient;
6750         [controllers replaceObjectAtIndex:0 withObject:remembered_];
6751         [remembered_ release];
6752         remembered_ = nil;
6753         [self setViewControllers:controllers];
6754         [self revealTabBarSelection];
6755     }
6756 }
6757
6758 - (UIViewController *) unselectedViewController {
6759     return transient_;
6760 }
6761
6762 - (void) tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UIViewController *)viewController {
6763     if ([self unselectedViewController])
6764         [self setUnselectedViewController:nil];
6765 }
6766
6767 - (NSArray *) navigationURLCollection {
6768     NSMutableArray *items([NSMutableArray array]);
6769
6770     // XXX: Should this deal with transient view controllers?
6771     for (id navigation in [self viewControllers]) {
6772         NSArray *stack = [navigation performSelector:@selector(navigationURLCollection)];
6773         if (stack != nil)
6774             [items addObject:stack];
6775     }
6776
6777     return items;
6778 }
6779
6780 - (void) reloadData {
6781     for (CYViewController *controller in [self viewControllers])
6782         [controller reloadData];
6783
6784     [(CYNavigationController *)[self unselectedViewController] reloadData];
6785 }
6786
6787 - (void) dealloc {
6788     [refreshbar_ release];
6789     [[NSNotificationCenter defaultCenter] removeObserver:self];
6790
6791     [super dealloc];
6792 }
6793
6794 - (id) initWithDatabase:(Database *)database {
6795     if ((self = [super init]) != nil) {
6796         database_ = database;
6797         [self setDelegate:self];
6798
6799         [[self view] setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6800         [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(statusBarFrameChanged:) name:UIApplicationDidChangeStatusBarFrameNotification object:nil];
6801
6802         refreshbar_ = [[RefreshBar alloc] initWithFrame:CGRectMake(0, 0, [[self view] frame].size.width, [UINavigationBar defaultSize].height) delegate:self];
6803     } return self;
6804 }
6805
6806 - (void) setUpdate:(NSDate *)date {
6807     [self beginUpdate];
6808 }
6809
6810 - (void) beginUpdate {
6811     [refreshbar_ start];
6812     [self dropBar:YES];
6813
6814     [updatedelegate_ retainNetworkActivityIndicator];
6815     updating_ = true;
6816
6817     [NSThread
6818         detachNewThreadSelector:@selector(performUpdate)
6819         toTarget:self
6820         withObject:nil
6821     ];
6822 }
6823
6824 - (void) performUpdate { _pooled
6825     Status status;
6826     status.setDelegate(self);
6827     [database_ updateWithStatus:status];
6828
6829     [self
6830         performSelectorOnMainThread:@selector(completeUpdate)
6831         withObject:nil
6832         waitUntilDone:NO
6833     ];
6834 }
6835
6836 - (void) stopUpdateWithSelector:(SEL)selector {
6837     updating_ = false;
6838     [updatedelegate_ releaseNetworkActivityIndicator];
6839
6840     [self raiseBar:YES];
6841     [refreshbar_ stop];
6842
6843     [updatedelegate_ performSelector:selector withObject:nil afterDelay:0];
6844 }
6845
6846 - (void) completeUpdate {
6847     if (!updating_)
6848         return;
6849     [self stopUpdateWithSelector:@selector(reloadData)];
6850 }
6851
6852 - (void) cancelUpdate {
6853     [self stopUpdateWithSelector:@selector(updateData)];
6854 }
6855
6856 - (void) cancelPressed {
6857     [self cancelUpdate];
6858 }
6859
6860 - (BOOL) updating {
6861     return updating_;
6862 }
6863
6864 - (void) addProgressEvent:(CydiaProgressEvent *)event {
6865     [refreshbar_ setPrompt:[event compoundMessage]];
6866 }
6867
6868 - (bool) isProgressCancelled {
6869     return !updating_;
6870 }
6871
6872 - (void) setProgressCancellable:(NSNumber *)cancellable {
6873     [refreshbar_ setCancellable:(updating_ && [cancellable boolValue])];
6874 }
6875
6876 - (void) setProgressPercent:(NSNumber *)percent {
6877     [refreshbar_ setProgress:[percent floatValue]];
6878 }
6879
6880 - (void) setProgressStatus:(NSDictionary *)status {
6881     if (status != nil)
6882         [self setProgressPercent:[status objectForKey:@"Percent"]];
6883 }
6884
6885 - (void) setUpdateDelegate:(id)delegate {
6886     updatedelegate_ = delegate;
6887 }
6888
6889 - (CGFloat) statusBarHeight {
6890     if (UIInterfaceOrientationIsPortrait([self interfaceOrientation])) {
6891         return [[UIApplication sharedApplication] statusBarFrame].size.height;
6892     } else {
6893         return [[UIApplication sharedApplication] statusBarFrame].size.width;
6894     }
6895 }
6896
6897 - (UIView *) transitionView {
6898     if ([self respondsToSelector:@selector(_transitionView)])
6899         return [self _transitionView];
6900     else
6901         return MSHookIvar<id>(self, "_viewControllerTransitionView");
6902 }
6903
6904 - (void) dropBar:(BOOL)animated {
6905     if (dropped_)
6906         return;
6907     dropped_ = true;
6908
6909     UIView *transition([self transitionView]);
6910     [[self view] addSubview:refreshbar_];
6911
6912     CGRect barframe([refreshbar_ frame]);
6913
6914     if (kCFCoreFoundationVersionNumber >= kCFCoreFoundationVersionNumber_iPhoneOS_3_0) // XXX: _UIApplicationLinkedOnOrAfter(4)
6915         barframe.origin.y = [self statusBarHeight];
6916     else
6917         barframe.origin.y = 0;
6918
6919     [refreshbar_ setFrame:barframe];
6920
6921     if (animated)
6922         [UIView beginAnimations:nil context:NULL];
6923
6924     CGRect viewframe = [transition frame];
6925     viewframe.origin.y += barframe.size.height;
6926     viewframe.size.height -= barframe.size.height;
6927     [transition setFrame:viewframe];
6928
6929     if (animated)
6930         [UIView commitAnimations];
6931
6932     // Ensure bar has the proper width for our view, it might have changed
6933     barframe.size.width = viewframe.size.width;
6934     [refreshbar_ setFrame:barframe];
6935
6936     // XXX: fix Apple's layout bug
6937     [[root_ selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
6938 }
6939
6940 - (void) raiseBar:(BOOL)animated {
6941     if (!dropped_)
6942         return;
6943     dropped_ = false;
6944
6945     UIView *transition([self transitionView]);
6946     [refreshbar_ removeFromSuperview];
6947
6948     CGRect barframe([refreshbar_ frame]);
6949
6950     if (animated)
6951         [UIView beginAnimations:nil context:NULL];
6952
6953     CGRect viewframe = [transition frame];
6954     viewframe.origin.y -= barframe.size.height;
6955     viewframe.size.height += barframe.size.height;
6956     [transition setFrame:viewframe];
6957
6958     if (animated)
6959         [UIView commitAnimations];
6960
6961     // XXX: fix Apple's layout bug
6962     // SRK [[self selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
6963 }
6964
6965 #if 0
6966 - (void) willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation duration:(NSTimeInterval)duration {
6967     // XXX: fix Apple's layout bug
6968     // SRK [[self selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
6969 }
6970 #endif
6971
6972 - (void) didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
6973     bool dropped(dropped_);
6974
6975     if (dropped)
6976         [self raiseBar:NO];
6977
6978     [super didRotateFromInterfaceOrientation:fromInterfaceOrientation];
6979
6980     if (dropped)
6981         [self dropBar:NO];
6982
6983     // XXX: fix Apple's layout bug
6984     // SRK [[self selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
6985 }
6986
6987 - (void) statusBarFrameChanged:(NSNotification *)notification {
6988     if (dropped_) {
6989         [self raiseBar:NO];
6990         [self dropBar:NO];
6991     }
6992 }
6993
6994 @end
6995 /* }}} */
6996 /* Cydia Navigation Controller {{{ */
6997 @interface CYNavigationController : UINavigationController {
6998     _transient Database *database_;
6999     _transient id<UINavigationControllerDelegate> delegate_;
7000 }
7001
7002 - (NSArray *) navigationURLCollection;
7003 - (id) initWithDatabase:(Database *)database;
7004 - (void) reloadData;
7005
7006 @end
7007
7008
7009 @implementation CYNavigationController
7010
7011 - (NSArray *) navigationURLCollection {
7012     NSMutableArray *stack([NSMutableArray array]);
7013
7014     for (CYViewController *controller in [self viewControllers]) {
7015         NSString *url = [[controller navigationURL] absoluteString];
7016         if (url != nil)
7017             [stack addObject:url];
7018     }
7019
7020     return stack;
7021 }
7022
7023 - (void) reloadData {
7024     for (CYViewController *page in [self viewControllers]) {
7025         // Only reload controllers that have already loaded.
7026         // This prevents a page from accidentally loading too
7027         // early if it hasn't been shown on the screen yet.
7028         if ([page hasLoaded])
7029             [page reloadData];
7030     }
7031 }
7032
7033 - (void) setDelegate:(id<UINavigationControllerDelegate>)delegate {
7034     delegate_ = delegate;
7035 }
7036
7037 - (id) initWithDatabase:(Database *)database {
7038     if ((self = [super init]) != nil) {
7039         database_ = database;
7040     } return self;
7041 }
7042
7043 @end
7044 /* }}} */
7045
7046 /* Cydia:// Protocol {{{ */
7047 @interface CydiaURLProtocol : NSURLProtocol {
7048 }
7049
7050 @end
7051
7052 @implementation CydiaURLProtocol
7053
7054 + (BOOL) canInitWithRequest:(NSURLRequest *)request {
7055     NSURL *url([request URL]);
7056     if (url == nil)
7057         return NO;
7058
7059     NSString *scheme([[url scheme] lowercaseString]);
7060     if (scheme != nil && [scheme isEqualToString:@"cydia"])
7061         return YES;
7062     if ([[url absoluteString] hasPrefix:@"about:cydia-"])
7063         return YES;
7064
7065     return NO;
7066 }
7067
7068 + (NSURLRequest *) canonicalRequestForRequest:(NSURLRequest *)request {
7069     return request;
7070 }
7071
7072 - (void) _returnPNGWithImage:(UIImage *)icon forRequest:(NSURLRequest *)request {
7073     id<NSURLProtocolClient> client([self client]);
7074     if (icon == nil)
7075         [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorFileDoesNotExist userInfo:nil]];
7076     else {
7077         NSData *data(UIImagePNGRepresentation(icon));
7078
7079         NSURLResponse *response([[[NSURLResponse alloc] initWithURL:[request URL] MIMEType:@"image/png" expectedContentLength:-1 textEncodingName:nil] autorelease]);
7080         [client URLProtocol:self didReceiveResponse:response cacheStoragePolicy:NSURLCacheStorageNotAllowed];
7081         [client URLProtocol:self didLoadData:data];
7082         [client URLProtocolDidFinishLoading:self];
7083     }
7084 }
7085
7086 - (void) startLoading {
7087     id<NSURLProtocolClient> client([self client]);
7088     NSURLRequest *request([self request]);
7089
7090     NSURL *url([request URL]);
7091     NSString *href([url absoluteString]);
7092     NSString *scheme([[url scheme] lowercaseString]);
7093
7094     NSString *path;
7095
7096     if ([scheme isEqualToString:@"cydia"])
7097         path = [href substringFromIndex:8];
7098     else if ([scheme isEqualToString:@"about"])
7099         path = [href substringFromIndex:12];
7100     else _assert(false);
7101
7102     NSRange slash([path rangeOfString:@"/"]);
7103
7104     NSString *command;
7105     if (slash.location == NSNotFound) {
7106         command = path;
7107         path = nil;
7108     } else {
7109         command = [path substringToIndex:slash.location];
7110         path = [path substringFromIndex:(slash.location + 1)];
7111     }
7112
7113     Database *database([Database sharedInstance]);
7114
7115     if ([command isEqualToString:@"package-icon"]) {
7116         if (path == nil)
7117             goto fail;
7118         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7119         Package *package([database packageWithName:path]);
7120         if (package == nil)
7121             goto fail;
7122         UIImage *icon([package icon]);
7123         [self _returnPNGWithImage:icon forRequest:request];
7124     } else if ([command isEqualToString:@"source-icon"]) {
7125         if (path == nil)
7126             goto fail;
7127         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7128         NSString *source(Simplify(path));
7129         UIImage *icon([UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sources/%@.png", App_, source]]);
7130         if (icon == nil)
7131             icon = [UIImage applicationImageNamed:@"unknown.png"];
7132         [self _returnPNGWithImage:icon forRequest:request];
7133     } else if ([command isEqualToString:@"uikit-image"]) {
7134         if (path == nil)
7135             goto fail;
7136         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7137         UIImage *icon(_UIImageWithName(path));
7138         [self _returnPNGWithImage:icon forRequest:request];
7139     } else if ([command isEqualToString:@"section-icon"]) {
7140         if (path == nil)
7141             goto fail;
7142         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7143         NSString *section(Simplify(path));
7144         UIImage *icon([UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, section]]);
7145         if (icon == nil)
7146             icon = [UIImage applicationImageNamed:@"unknown.png"];
7147         [self _returnPNGWithImage:icon forRequest:request];
7148     } else fail: {
7149         [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorResourceUnavailable userInfo:nil]];
7150     }
7151 }
7152
7153 - (void) stopLoading {
7154 }
7155
7156 @end
7157 /* }}} */
7158
7159 /* Section Controller {{{ */
7160 @interface SectionController : FilteredPackageListController {
7161     _H<NSString> section_;
7162 }
7163
7164 - (id) initWithDatabase:(Database *)database section:(NSString *)section;
7165
7166 @end
7167
7168 @implementation SectionController
7169
7170 - (NSURL *) navigationURL {
7171     NSString *name = section_;
7172     if (name == nil)
7173         name = @"all";
7174
7175     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sections/%@", name]];
7176 }
7177
7178 - (id) initWithDatabase:(Database *)database section:(NSString *)name {
7179     NSString *title;
7180     if (name == nil)
7181         title = UCLocalize("ALL_PACKAGES");
7182     else if (![name isEqual:@""])
7183         title = [[NSBundle mainBundle] localizedStringForKey:Simplify(name) value:nil table:@"Sections"];
7184     else
7185         title = UCLocalize("NO_SECTION");
7186
7187     if ((self = [super initWithDatabase:database title:title filter:@selector(isVisibleInSection:) with:name]) != nil) {
7188         section_ = name;
7189     } return self;
7190 }
7191
7192 @end
7193 /* }}} */
7194 /* Sections Controller {{{ */
7195 @interface SectionsController : CYViewController <
7196     UITableViewDataSource,
7197     UITableViewDelegate
7198 > {
7199     _transient Database *database_;
7200     NSMutableArray *sections_;
7201     NSMutableArray *filtered_;
7202     UITableView *list_;
7203     BOOL editing_;
7204 }
7205
7206 - (id) initWithDatabase:(Database *)database;
7207 - (void) editButtonClicked;
7208
7209 @end
7210
7211 @implementation SectionsController
7212
7213 - (void) dealloc {
7214     [self releaseSubviews];
7215     [sections_ release];
7216     [filtered_ release];
7217
7218     [super dealloc];
7219 }
7220
7221 - (NSURL *) navigationURL {
7222     return [NSURL URLWithString:@"cydia://sections"];
7223 }
7224
7225 - (void) updateNavigationItem {
7226     [[self navigationItem] setTitle:editing_ ? UCLocalize("SECTION_VISIBILITY") : UCLocalize("SECTIONS")];
7227     if ([sections_ count] == 0) {
7228         [[self navigationItem] setRightBarButtonItem:nil];
7229     } else {
7230         [[self navigationItem] setRightBarButtonItem:[[UIBarButtonItem alloc]
7231             initWithBarButtonSystemItem:(editing_ ? UIBarButtonSystemItemDone : UIBarButtonSystemItemEdit)
7232             target:self
7233             action:@selector(editButtonClicked)
7234         ] animated:([[self navigationItem] rightBarButtonItem] != nil)];
7235     }
7236 }
7237
7238 - (BOOL) isEditing {
7239     return editing_;
7240 }
7241
7242 - (void) setEditing:(BOOL)editing {
7243     if ((editing_ = editing))
7244         [list_ reloadData];
7245     else
7246         [delegate_ updateData];
7247
7248     [self updateNavigationItem];
7249 }
7250
7251 - (void) viewDidAppear:(BOOL)animated {
7252     [super viewDidAppear:animated];
7253     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
7254 }
7255
7256 - (void) viewWillDisappear:(BOOL)animated {
7257     [super viewWillDisappear:animated];
7258     if (editing_) [self setEditing:NO];
7259 }
7260
7261 - (Section *) sectionAtIndexPath:(NSIndexPath *)indexPath {
7262     Section *section = (editing_ ? [sections_ objectAtIndex:[indexPath row]] : ([indexPath row] == 0 ? nil : [filtered_ objectAtIndex:([indexPath row] - 1)]));
7263     return section;
7264 }
7265
7266 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7267     return editing_ ? [sections_ count] : [filtered_ count] + 1;
7268 }
7269
7270 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
7271     return 45.0f;
7272 }*/
7273
7274 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7275     static NSString *reuseIdentifier = @"SectionCell";
7276
7277     SectionCell *cell = (SectionCell *)[tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
7278     if (cell == nil)
7279         cell = [[[SectionCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
7280
7281     [cell setSection:[self sectionAtIndexPath:indexPath] editing:editing_];
7282
7283     return cell;
7284 }
7285
7286 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
7287     if (editing_)
7288         return;
7289
7290     Section *section = [self sectionAtIndexPath:indexPath];
7291
7292     SectionController *controller = [[[SectionController alloc]
7293         initWithDatabase:database_
7294         section:[section name]
7295     ] autorelease];
7296     [controller setDelegate:delegate_];
7297
7298     [[self navigationController] pushViewController:controller animated:YES];
7299 }
7300
7301 - (void) loadView {
7302     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7303
7304     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds]];
7305     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7306     [list_ setRowHeight:45.0f];
7307     [list_ setDataSource:self];
7308     [list_ setDelegate:self];
7309     [[self view] addSubview:list_];
7310 }
7311
7312 - (void) viewDidLoad {
7313     [[self navigationItem] setTitle:UCLocalize("SECTIONS")];
7314 }
7315
7316 - (void) releaseSubviews {
7317     [list_ release];
7318     list_ = nil;
7319 }
7320
7321 - (id) initWithDatabase:(Database *)database {
7322     if ((self = [super init]) != nil) {
7323         database_ = database;
7324
7325         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
7326         filtered_ = [[NSMutableArray arrayWithCapacity:16] retain];
7327     } return self;
7328 }
7329
7330 - (void) reloadData {
7331     [super reloadData];
7332
7333     NSArray *packages = [database_ packages];
7334
7335     [sections_ removeAllObjects];
7336     [filtered_ removeAllObjects];
7337
7338     NSMutableDictionary *sections([NSMutableDictionary dictionaryWithCapacity:32]);
7339
7340     _trace();
7341     for (Package *package in packages) {
7342         NSString *name([package section]);
7343         NSString *key(name == nil ? @"" : name);
7344
7345         Section *section;
7346
7347         _profile(SectionsView$reloadData$Section)
7348             section = [sections objectForKey:key];
7349             if (section == nil) {
7350                 _profile(SectionsView$reloadData$Section$Allocate)
7351                     section = [[[Section alloc] initWithName:key localize:YES] autorelease];
7352                     [sections setObject:section forKey:key];
7353                 _end
7354             }
7355         _end
7356
7357         [section addToCount];
7358
7359         _profile(SectionsView$reloadData$Filter)
7360             if (![package valid] || ![package visible])
7361                 continue;
7362         _end
7363
7364         [section addToRow];
7365     }
7366     _trace();
7367
7368     [sections_ addObjectsFromArray:[sections allValues]];
7369
7370     [sections_ sortUsingSelector:@selector(compareByLocalized:)];
7371
7372     for (Section *section in sections_) {
7373         size_t count([section row]);
7374         if (count == 0)
7375             continue;
7376
7377         section = [[[Section alloc] initWithName:[section name] localized:[section localized]] autorelease];
7378         [section setCount:count];
7379         [filtered_ addObject:section];
7380     }
7381
7382     [self updateNavigationItem];
7383     [list_ reloadData];
7384     _trace();
7385 }
7386
7387 - (void) editButtonClicked {
7388     [self setEditing:(!editing_)];
7389 }
7390
7391 @end
7392 /* }}} */
7393
7394 /* Changes Controller {{{ */
7395 @interface ChangesController : CYViewController <
7396     UITableViewDataSource,
7397     UITableViewDelegate
7398 > {
7399     _transient Database *database_;
7400     unsigned era_;
7401     CFMutableArrayRef packages_;
7402     NSMutableArray *sections_;
7403     UITableView *list_;
7404     unsigned upgrades_;
7405     BOOL hasSentFirstLoad_;
7406 }
7407
7408 - (id) initWithDatabase:(Database *)database;
7409
7410 @end
7411
7412 @implementation ChangesController
7413
7414 - (void) dealloc {
7415     [self releaseSubviews];
7416     CFRelease(packages_);
7417     [sections_ release];
7418
7419     [super dealloc];
7420 }
7421
7422 - (NSURL *) navigationURL {
7423     return [NSURL URLWithString:@"cydia://changes"];
7424 }
7425
7426 - (void) viewWillAppear:(BOOL)animated {
7427     // Loads after it appears, so don't load beforehand.
7428     loaded_ = YES;
7429     [super viewWillAppear:animated];
7430 }
7431
7432 - (void) viewDidAppear:(BOOL)animated {
7433     [super viewDidAppear:animated];
7434
7435     if (!hasSentFirstLoad_) {
7436         hasSentFirstLoad_ = YES;
7437         [self performSelector:@selector(reloadData) withObject:nil afterDelay:0.0];
7438     } else {
7439         [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
7440     }
7441 }
7442
7443 - (NSInteger) numberOfSectionsInTableView:(UITableView *)list {
7444     NSInteger count([sections_ count]);
7445     return count == 0 ? 1 : count;
7446 }
7447
7448 - (NSString *) tableView:(UITableView *)list titleForHeaderInSection:(NSInteger)section {
7449     if ([sections_ count] == 0)
7450         return nil;
7451     return [[sections_ objectAtIndex:section] name];
7452 }
7453
7454 - (NSInteger) tableView:(UITableView *)list numberOfRowsInSection:(NSInteger)section {
7455     if ([sections_ count] == 0)
7456         return 0;
7457     return [[sections_ objectAtIndex:section] count];
7458 }
7459
7460 - (Package *) packageAtIndex:(NSUInteger)index {
7461     return (Package *) CFArrayGetValueAtIndex(packages_, index);
7462 }
7463
7464 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
7465 @synchronized (database_) {
7466     if ([database_ era] != era_)
7467         return nil;
7468
7469     NSUInteger sectionIndex([path section]);
7470     if (sectionIndex >= [sections_ count])
7471         return nil;
7472     Section *section([sections_ objectAtIndex:sectionIndex]);
7473     NSInteger row([path row]);
7474     return [[[self packageAtIndex:([section row] + row)] retain] autorelease];
7475 } }
7476
7477 - (UITableViewCell *) tableView:(UITableView *)table cellForRowAtIndexPath:(NSIndexPath *)path {
7478     PackageCell *cell((PackageCell *) [table dequeueReusableCellWithIdentifier:@"Package"]);
7479     if (cell == nil)
7480         cell = [[[PackageCell alloc] init] autorelease];
7481     [cell setPackage:[self packageAtIndexPath:path]];
7482     return cell;
7483 }
7484
7485 - (NSIndexPath *) tableView:(UITableView *)table willSelectRowAtIndexPath:(NSIndexPath *)path {
7486     Package *package([self packageAtIndexPath:path]);
7487     CYPackageController *view([[[CYPackageController alloc] initWithDatabase:database_ forPackage:[package id]] autorelease]);
7488     [view setDelegate:delegate_];
7489     [[self navigationController] pushViewController:view animated:YES];
7490     return path;
7491 }
7492
7493 - (void) refreshButtonClicked {
7494     [delegate_ beginUpdate];
7495     [[self navigationItem] setLeftBarButtonItem:nil animated:YES];
7496 }
7497
7498 - (void) upgradeButtonClicked {
7499     [delegate_ distUpgrade];
7500 }
7501
7502 - (void) loadView {
7503     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7504
7505     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain];
7506     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7507     [list_ setRowHeight:73];
7508     [list_ setDataSource:self];
7509     [list_ setDelegate:self];
7510     [[self view] addSubview:list_];
7511 }
7512
7513 - (void) viewDidLoad {
7514     [[self navigationItem] setTitle:UCLocalize("CHANGES")];
7515 }
7516
7517 - (void) releaseSubviews {
7518     [list_ release];
7519     list_ = nil;
7520 }
7521
7522 - (id) initWithDatabase:(Database *)database {
7523     if ((self = [super init]) != nil) {
7524         database_ = database;
7525
7526         packages_ = CFArrayCreateMutable(kCFAllocatorDefault, 0, NULL);
7527         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
7528     } return self;
7529 }
7530
7531 // this mostly works because reloadData (below) is @synchronized (database_)
7532 // XXX: that said, I've been running into problems with NSRangeExceptions :(
7533 - (void) _reloadPackages:(NSArray *)packages {
7534     CFRelease(packages_);
7535     packages_ = CFArrayCreateMutable(kCFAllocatorDefault, [packages count], NULL);
7536
7537     _trace();
7538     _profile(ChangesController$_reloadPackages$Filter)
7539         for (Package *package in packages)
7540             if ([package upgradableAndEssential:YES] || [package visible])
7541                 CFArrayAppendValue(packages_, package);
7542     _end
7543     _trace();
7544     _profile(ChangesController$_reloadPackages$radixSort)
7545         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackageChangesRadix) withContext:NULL];
7546     _end
7547     _trace();
7548 }
7549
7550 - (void) reloadData {
7551 @synchronized (database_) {
7552     era_ = [database_ era];
7553     NSArray *packages = [database_ packages];
7554
7555     [sections_ removeAllObjects];
7556
7557 #if 1
7558     UIProgressHUD *hud([delegate_ addProgressHUD]);
7559     [hud setText:UCLocalize("LOADING")];
7560     //NSLog(@"HUD:%@::%@", delegate_, hud);
7561     [self yieldToSelector:@selector(_reloadPackages:) withObject:packages];
7562     [delegate_ removeProgressHUD:hud];
7563 #else
7564     [self _reloadPackages:packages];
7565 #endif
7566
7567     Section *upgradable = [[[Section alloc] initWithName:UCLocalize("AVAILABLE_UPGRADES") localize:NO] autorelease];
7568     Section *ignored = nil;
7569     Section *section = nil;
7570     time_t last = 0;
7571
7572     upgrades_ = 0;
7573     bool unseens = false;
7574
7575     CFDateFormatterRef formatter(CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle));
7576
7577     for (size_t offset = 0, count = CFArrayGetCount(packages_); offset != count; ++offset) {
7578         Package *package = [self packageAtIndex:offset];
7579
7580         BOOL uae = [package upgradableAndEssential:YES];
7581
7582         if (!uae) {
7583             unseens = true;
7584             time_t seen([package seen]);
7585
7586             if (section == nil || last != seen) {
7587                 last = seen;
7588
7589                 NSString *name;
7590                 name = (NSString *) CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) [NSDate dateWithTimeIntervalSince1970:seen]);
7591                 [name autorelease];
7592
7593                 _profile(ChangesController$reloadData$Allocate)
7594                     name = [NSString stringWithFormat:UCLocalize("NEW_AT"), name];
7595                     section = [[[Section alloc] initWithName:name row:offset localize:NO] autorelease];
7596                     [sections_ addObject:section];
7597                 _end
7598             }
7599
7600             [section addToCount];
7601         } else if ([package ignored]) {
7602             if (ignored == nil) {
7603                 ignored = [[[Section alloc] initWithName:UCLocalize("IGNORED_UPGRADES") row:offset localize:NO] autorelease];
7604             }
7605             [ignored addToCount];
7606         } else {
7607             ++upgrades_;
7608             [upgradable addToCount];
7609         }
7610     }
7611     _trace();
7612
7613     CFRelease(formatter);
7614
7615     if (unseens) {
7616         Section *last = [sections_ lastObject];
7617         size_t count = [last count];
7618         CFArrayReplaceValues(packages_, CFRangeMake(CFArrayGetCount(packages_) - count, count), NULL, 0);
7619         [sections_ removeLastObject];
7620     }
7621
7622     if ([ignored count] != 0)
7623         [sections_ insertObject:ignored atIndex:0];
7624     if (upgrades_ != 0)
7625         [sections_ insertObject:upgradable atIndex:0];
7626
7627     [list_ reloadData];
7628
7629     if (upgrades_ > 0)
7630         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
7631             initWithTitle:[NSString stringWithFormat:UCLocalize("PARENTHETICAL"), UCLocalize("UPGRADE"), [NSString stringWithFormat:@"%u", upgrades_]]
7632             style:UIBarButtonItemStylePlain
7633             target:self
7634             action:@selector(upgradeButtonClicked)
7635         ] autorelease]];
7636
7637     if (![delegate_ updating])
7638         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
7639             initWithTitle:UCLocalize("REFRESH")
7640             style:UIBarButtonItemStylePlain
7641             target:self
7642             action:@selector(refreshButtonClicked)
7643         ] autorelease]];
7644
7645     PrintTimes();
7646 } }
7647
7648 @end
7649 /* }}} */
7650 /* Search Controller {{{ */
7651 @interface SearchController : FilteredPackageListController <
7652     UISearchBarDelegate
7653 > {
7654     _H<UISearchBar> search_;
7655     BOOL searchloaded_;
7656 }
7657
7658 - (id) initWithDatabase:(Database *)database;
7659 - (void) setSearchTerm:(NSString *)term;
7660 - (void) reloadData;
7661
7662 @end
7663
7664 @implementation SearchController
7665
7666 - (void) dealloc {
7667     [search_ setDelegate:nil];
7668     [super dealloc];
7669 }
7670
7671 - (NSURL *) navigationURL {
7672     if ([search_ text] == nil || [[search_ text] isEqualToString:@""])
7673         return [NSURL URLWithString:@"cydia://search"];
7674     else
7675         return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://search/%@", [search_ text]]];
7676 }
7677
7678 - (void) setSearchTerm:(NSString *)searchTerm {
7679     [search_ setText:searchTerm];
7680     [self reloadData];
7681 }
7682
7683 - (void) searchBarSearchButtonClicked:(UISearchBar *)searchBar {
7684     [self setObject:[search_ text] forFilter:@selector(isUnfilteredAndSearchedForBy:)];
7685     [search_ resignFirstResponder];
7686     [self reloadData];
7687 }
7688
7689 - (void) searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)text {
7690     [self setObject:text forFilter:@selector(isUnfilteredAndSelectedForBy:)];
7691     [self reloadData];
7692 }
7693
7694 - (id) initWithDatabase:(Database *)database {
7695     if ((self = [super initWithDatabase:database title:UCLocalize("SEARCH") filter:@selector(isUnfilteredAndSearchedForBy:) with:nil])) {
7696         search_ = [[[UISearchBar alloc] init] autorelease];
7697         [search_ setDelegate:self];
7698     } return self;
7699 }
7700
7701 - (void) viewDidAppear:(BOOL)animated {
7702     [super viewDidAppear:animated];
7703
7704     if (!searchloaded_) {
7705         searchloaded_ = YES;
7706         [search_ setFrame:CGRectMake(0, 0, [[self view] bounds].size.width, 44.0f)];
7707         [search_ layoutSubviews];
7708         [search_ setPlaceholder:UCLocalize("SEARCH_EX")];
7709
7710         UITextField *textField;
7711         if ([search_ respondsToSelector:@selector(searchField)])
7712             textField = [search_ searchField];
7713         else
7714             textField = MSHookIvar<UITextField *>(search_, "_searchField");
7715
7716         [textField setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
7717         [textField setEnablesReturnKeyAutomatically:NO];
7718         [[self navigationItem] setTitleView:textField];
7719     }
7720 }
7721
7722 - (void) reloadData {
7723     [self setObject:[search_ text]];
7724     [super reloadData];
7725     [self resetCursor];
7726 }
7727
7728 - (void) didSelectPackage:(Package *)package {
7729     [search_ resignFirstResponder];
7730     [super didSelectPackage:package];
7731 }
7732
7733 @end
7734 /* }}} */
7735 /* Package Settings Controller {{{ */
7736 @interface PackageSettingsController : CYViewController <
7737     UITableViewDataSource,
7738     UITableViewDelegate
7739 > {
7740     _transient Database *database_;
7741     NSString *name_;
7742     Package *package_;
7743     UITableView *table_;
7744     UISwitch *subscribedSwitch_;
7745     UISwitch *ignoredSwitch_;
7746     UITableViewCell *subscribedCell_;
7747     UITableViewCell *ignoredCell_;
7748 }
7749
7750 - (id) initWithDatabase:(Database *)database package:(NSString *)package;
7751
7752 @end
7753
7754 @implementation PackageSettingsController
7755
7756 - (void) dealloc {
7757     [self releaseSubviews];
7758     [name_ release];
7759     [package_ release];
7760
7761     [super dealloc];
7762 }
7763
7764 - (NSURL *) navigationURL {
7765     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/settings", [package_ id]]];
7766 }
7767
7768 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
7769     if (package_ == nil)
7770         return 0;
7771
7772     if ([package_ installed] == nil)
7773         return 1;
7774     else
7775         return 2;
7776 }
7777
7778 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7779     if (package_ == nil)
7780         return 0;
7781
7782     // both sections contain just one item right now.
7783     return 1;
7784 }
7785
7786 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
7787     return nil;
7788 }
7789
7790 - (NSString *) tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
7791     if (section == 0)
7792         return UCLocalize("SHOW_ALL_CHANGES_EX");
7793     else
7794         return UCLocalize("IGNORE_UPGRADES_EX");
7795 }
7796
7797 - (void) onSubscribed:(id)control {
7798     bool value([control isOn]);
7799     if (package_ == nil)
7800         return;
7801     if ([package_ setSubscribed:value])
7802         [delegate_ updateData];
7803 }
7804
7805 - (void) _updateIgnored {
7806     const char *package([name_ UTF8String]);
7807     bool on([ignoredSwitch_ isOn]);
7808
7809     pid_t pid(ExecFork());
7810     if (pid == 0) {
7811         FILE *dpkg(popen("dpkg --set-selections", "w"));
7812         fwrite(package, strlen(package), 1, dpkg);
7813
7814         if (on)
7815             fwrite(" hold\n", 6, 1, dpkg);
7816         else
7817             fwrite(" install\n", 9, 1, dpkg);
7818
7819         pclose(dpkg);
7820
7821         exit(0);
7822         _assert(false);
7823     }
7824
7825     _forever {
7826         int status;
7827         int result(waitpid(pid, &status, 0));
7828
7829         if (result != -1) {
7830             _assert(result == pid);
7831             break;
7832         }
7833     }
7834 }
7835
7836 - (void) onIgnored:(id)control {
7837     NSInvocation *invocation([NSInvocation invocationWithMethodSignature:[self methodSignatureForSelector:@selector(_updateIgnored)]]);
7838     [invocation setTarget:self];
7839     [invocation setSelector:@selector(_updateIgnored)];
7840
7841     [delegate_ reloadDataWithInvocation:invocation];
7842 }
7843
7844 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7845     if (package_ == nil)
7846         return nil;
7847
7848     switch ([indexPath section]) {
7849         case 0: return subscribedCell_;
7850         case 1: return ignoredCell_;
7851
7852         _nodefault
7853     }
7854
7855     return nil;
7856 }
7857
7858 - (void) loadView {
7859     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7860
7861     table_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped];
7862     [table_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7863     [table_ setDataSource:self];
7864     [table_ setDelegate:self];
7865     [[self view] addSubview:table_];
7866
7867     subscribedSwitch_ = [[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)];
7868     [subscribedSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
7869     [subscribedSwitch_ addTarget:self action:@selector(onSubscribed:) forEvents:UIControlEventValueChanged];
7870
7871     ignoredSwitch_ = [[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)];
7872     [ignoredSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
7873     [ignoredSwitch_ addTarget:self action:@selector(onIgnored:) forEvents:UIControlEventValueChanged];
7874
7875     subscribedCell_ = [[UITableViewCell alloc] init];
7876     [subscribedCell_ setText:UCLocalize("SHOW_ALL_CHANGES")];
7877     [subscribedCell_ setAccessoryView:subscribedSwitch_];
7878     [subscribedCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
7879
7880     ignoredCell_ = [[UITableViewCell alloc] init];
7881     [ignoredCell_ setText:UCLocalize("IGNORE_UPGRADES")];
7882     [ignoredCell_ setAccessoryView:ignoredSwitch_];
7883     [ignoredCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
7884 }
7885
7886 - (void) viewDidLoad {
7887     [[self navigationItem] setTitle:UCLocalize("SETTINGS")];
7888 }
7889
7890 - (void) releaseSubviews {
7891     [ignoredCell_ release];
7892     ignoredCell_ = nil;
7893
7894     [subscribedCell_ release];
7895     subscribedCell_ = nil;
7896
7897     [table_ release];
7898     table_ = nil;
7899
7900     [ignoredSwitch_ release];
7901     ignoredSwitch_ = nil;
7902
7903     [subscribedSwitch_ release];
7904     subscribedSwitch_ = nil;
7905 }
7906
7907 - (id) initWithDatabase:(Database *)database package:(NSString *)package {
7908     if ((self = [super init]) != nil) {
7909         database_ = database;
7910         name_ = [package retain];
7911     } return self;
7912 }
7913
7914 - (void) reloadData {
7915     [super reloadData];
7916
7917     if (package_ != nil)
7918         [package_ autorelease];
7919     package_ = [database_ packageWithName:name_];
7920
7921     if (package_ != nil) {
7922         package_ = [package_ retain];
7923         [subscribedSwitch_ setOn:([package_ subscribed] ? 1 : 0) animated:NO];
7924         [ignoredSwitch_ setOn:([package_ ignored] ? 1 : 0) animated:NO];
7925     } // XXX: what now, G?
7926
7927     [table_ reloadData];
7928 }
7929
7930 @end
7931 /* }}} */
7932
7933 /* Installed Controller {{{ */
7934 @interface InstalledController : FilteredPackageListController {
7935     BOOL expert_;
7936 }
7937
7938 - (id) initWithDatabase:(Database *)database;
7939
7940 - (void) updateRoleButton;
7941 - (void) queueStatusDidChange;
7942
7943 @end
7944
7945 @implementation InstalledController
7946
7947 - (void) dealloc {
7948     [super dealloc];
7949 }
7950
7951 - (NSURL *) navigationURL {
7952     return [NSURL URLWithString:@"cydia://installed"];
7953 }
7954
7955 - (id) initWithDatabase:(Database *)database {
7956     if ((self = [super initWithDatabase:database title:UCLocalize("INSTALLED") filter:@selector(isInstalledAndUnfiltered:) with:[NSNumber numberWithBool:YES]]) != nil) {
7957         [self updateRoleButton];
7958         [self queueStatusDidChange];
7959     } return self;
7960 }
7961
7962 #if !AlwaysReload
7963 - (void) queueButtonClicked {
7964     [delegate_ queue];
7965 }
7966 #endif
7967
7968 - (void) queueStatusDidChange {
7969 #if !AlwaysReload
7970     if (IsWildcat_) {
7971         if (Queuing_) {
7972             [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
7973                 initWithTitle:UCLocalize("QUEUE")
7974                 style:UIBarButtonItemStyleDone
7975                 target:self
7976                 action:@selector(queueButtonClicked)
7977             ] autorelease]];
7978         } else {
7979             [[self navigationItem] setLeftBarButtonItem:nil];
7980         }
7981     }
7982 #endif
7983 }
7984
7985 - (void) updateRoleButton {
7986     if (Role_ != nil && ![Role_ isEqualToString:@"Developer"])
7987         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
7988             initWithTitle:(expert_ ? UCLocalize("EXPERT") : UCLocalize("SIMPLE"))
7989             style:(expert_ ? UIBarButtonItemStyleDone : UIBarButtonItemStylePlain)
7990             target:self
7991             action:@selector(roleButtonClicked)
7992         ] autorelease]];
7993 }
7994
7995 - (void) roleButtonClicked {
7996     [self setObject:[NSNumber numberWithBool:expert_]];
7997     [self reloadData];
7998     expert_ = !expert_;
7999
8000     [self updateRoleButton];
8001 }
8002
8003 @end
8004 /* }}} */
8005
8006 /* Source Cell {{{ */
8007 @interface SourceCell : CYTableViewCell <
8008     ContentDelegate
8009 > {
8010     UIImage *icon_;
8011     NSString *origin_;
8012     NSString *label_;
8013 }
8014
8015 - (void) setSource:(Source *)source;
8016
8017 @end
8018
8019 @implementation SourceCell
8020
8021 - (void) clearSource {
8022     [icon_ release];
8023     [origin_ release];
8024     [label_ release];
8025
8026     icon_ = nil;
8027     origin_ = nil;
8028     label_ = nil;
8029 }
8030
8031 - (void) setSource:(Source *)source {
8032     [self clearSource];
8033
8034     if (icon_ == nil)
8035         icon_ = [UIImage applicationImageNamed:[NSString stringWithFormat:@"Sources/%@.png", [source host]]];
8036     if (icon_ == nil)
8037         icon_ = [UIImage applicationImageNamed:@"unknown.png"];
8038     icon_ = [icon_ retain];
8039
8040     origin_ = [[source name] retain];
8041     label_ = [[source uri] retain];
8042
8043     [content_ setNeedsDisplay];
8044 }
8045
8046 - (void) dealloc {
8047     [self clearSource];
8048     [super dealloc];
8049 }
8050
8051 - (SourceCell *) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
8052     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
8053         UIView *content([self contentView]);
8054         CGRect bounds([content bounds]);
8055
8056         content_ = [[ContentView alloc] initWithFrame:bounds];
8057         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8058         [content_ setBackgroundColor:[UIColor whiteColor]];
8059         [content addSubview:content_];
8060
8061         [content_ setDelegate:self];
8062         [content_ setOpaque:YES];
8063     } return self;
8064 }
8065
8066 - (NSString *) accessibilityLabel {
8067     return label_;
8068 }
8069
8070 - (void) drawContentRect:(CGRect)rect {
8071     bool highlighted(highlighted_);
8072     float width(rect.size.width);
8073
8074     if (icon_ != nil)
8075         [icon_ drawInRect:CGRectMake(10, 10, 30, 30)];
8076
8077     if (highlighted)
8078         UISetColor(White_);
8079
8080     if (!highlighted)
8081         UISetColor(Black_);
8082     [origin_ drawAtPoint:CGPointMake(48, 8) forWidth:(width - 80) withFont:Font18Bold_ lineBreakMode:UILineBreakModeTailTruncation];
8083
8084     if (!highlighted)
8085         UISetColor(Blue_);
8086     [label_ drawAtPoint:CGPointMake(58, 29) forWidth:(width - 95) withFont:Font12_ lineBreakMode:UILineBreakModeTailTruncation];
8087 }
8088
8089 @end
8090 /* }}} */
8091 /* Source Controller {{{ */
8092 @interface SourceController : FilteredPackageListController {
8093     _transient Source *source_;
8094     NSString *key_;
8095 }
8096
8097 - (id) initWithDatabase:(Database *)database source:(Source *)source;
8098
8099 @end
8100
8101 @implementation SourceController
8102
8103 - (NSURL *) navigationURL {
8104     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sources/%@", [source_ name]]];
8105 }
8106
8107 - (id) initWithDatabase:(Database *)database source:(Source *)source {
8108     if ((self = [super initWithDatabase:database title:[source label] filter:@selector(isVisibleInSource:) with:source]) != nil) {
8109         source_ = source;
8110         key_ = [[source key] retain];
8111     } return self;
8112 }
8113
8114 - (void) reloadData {
8115     source_ = [database_ sourceWithKey:key_];
8116     [key_ release];
8117     key_ = [[source_ key] retain];
8118     [self setObject:source_];
8119     [[self navigationItem] setTitle:[source_ label]];
8120
8121     [super reloadData];
8122 }
8123
8124 @end
8125 /* }}} */
8126 /* Sources Controller {{{ */
8127 @interface SourcesController : CYViewController <
8128     UITableViewDataSource,
8129     UITableViewDelegate
8130 > {
8131     _transient Database *database_;
8132     UITableView *list_;
8133     NSMutableArray *sources_;
8134     int offset_;
8135
8136     NSString *href_;
8137     UIProgressHUD *hud_;
8138     NSError *error_;
8139
8140     //NSURLConnection *installer_;
8141     NSURLConnection *trivial_;
8142     NSURLConnection *trivial_bz2_;
8143     NSURLConnection *trivial_gz_;
8144     //NSURLConnection *automatic_;
8145
8146     BOOL cydia_;
8147 }
8148
8149 - (id) initWithDatabase:(Database *)database;
8150 - (void) updateButtonsForEditingStatus:(BOOL)editing animated:(BOOL)animated;
8151
8152 @end
8153
8154 @implementation SourcesController
8155
8156 - (void) _releaseConnection:(NSURLConnection *)connection {
8157     if (connection != nil) {
8158         [connection cancel];
8159         //[connection setDelegate:nil];
8160         [connection release];
8161     }
8162 }
8163
8164 - (void) dealloc {
8165     [self releaseSubviews];
8166
8167     [href_ release];
8168     [hud_ release];
8169     [error_ release];
8170
8171     //[self _releaseConnection:installer_];
8172     [self _releaseConnection:trivial_];
8173     [self _releaseConnection:trivial_gz_];
8174     [self _releaseConnection:trivial_bz2_];
8175     //[self _releaseConnection:automatic_];
8176
8177     [sources_ release];
8178     [super dealloc];
8179 }
8180
8181 - (NSURL *) navigationURL {
8182     return [NSURL URLWithString:@"cydia://sources"];
8183 }
8184
8185 - (void) viewDidAppear:(BOOL)animated {
8186     [super viewDidAppear:animated];
8187     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
8188 }
8189
8190 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
8191     return offset_ == 0 ? 1 : 2;
8192 }
8193
8194 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
8195     switch (section + (offset_ == 0 ? 1 : 0)) {
8196         case 0: return UCLocalize("ENTERED_BY_USER");
8197         case 1: return UCLocalize("INSTALLED_BY_PACKAGE");
8198
8199         _nodefault
8200     }
8201 }
8202
8203 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
8204     int count = [sources_ count];
8205     switch (section) {
8206         case 0: return (offset_ == 0 ? count : offset_);
8207         case 1: return count - offset_;
8208
8209         _nodefault
8210     }
8211 }
8212
8213 - (Source *) sourceAtIndexPath:(NSIndexPath *)indexPath {
8214     unsigned idx = 0;
8215     switch (indexPath.section) {
8216         case 0: idx = indexPath.row; break;
8217         case 1: idx = indexPath.row + offset_; break;
8218
8219         _nodefault
8220     }
8221     return [sources_ objectAtIndex:idx];
8222 }
8223
8224 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
8225     static NSString *cellIdentifier = @"SourceCell";
8226
8227     SourceCell *cell = (SourceCell *) [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
8228     if(cell == nil) cell = [[[SourceCell alloc] initWithFrame:CGRectZero reuseIdentifier:cellIdentifier] autorelease];
8229     [cell setSource:[self sourceAtIndexPath:indexPath]];
8230     [cell setAccessoryType:UITableViewCellAccessoryDisclosureIndicator];
8231
8232     return cell;
8233 }
8234
8235 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
8236     Source *source = [self sourceAtIndexPath:indexPath];
8237
8238     SourceController *controller = [[[SourceController alloc]
8239         initWithDatabase:database_
8240         source:source
8241     ] autorelease];
8242
8243     [controller setDelegate:delegate_];
8244
8245     [[self navigationController] pushViewController:controller animated:YES];
8246 }
8247
8248 - (BOOL) tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
8249     Source *source = [self sourceAtIndexPath:indexPath];
8250     return [source record] != nil;
8251 }
8252
8253 - (void) tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
8254     Source *source = [self sourceAtIndexPath:indexPath];
8255     [Sources_ removeObjectForKey:[source key]];
8256     [delegate_ syncData];
8257 }
8258
8259 - (void) complete {
8260     [delegate_ addTrivialSource:href_];
8261     [delegate_ syncData];
8262 }
8263
8264 - (NSString *) getWarning {
8265     NSString *href(href_);
8266     NSRange colon([href rangeOfString:@"://"]);
8267     if (colon.location != NSNotFound)
8268         href = [href substringFromIndex:(colon.location + 3)];
8269     href = [href stringByAddingPercentEscapes];
8270     href = [CydiaURL(@"api/repotag/") stringByAppendingString:href];
8271     href = [href stringByCachingURLWithCurrentCDN];
8272
8273     NSURL *url([NSURL URLWithString:href]);
8274
8275     NSStringEncoding encoding;
8276     NSError *error(nil);
8277
8278     if (NSString *warning = [NSString stringWithContentsOfURL:url usedEncoding:&encoding error:&error])
8279         return [warning length] == 0 ? nil : warning;
8280     return nil;
8281 }
8282
8283 - (void) _endConnection:(NSURLConnection *)connection {
8284     // XXX: the memory management in this method is horribly awkward
8285
8286     NSURLConnection **field = NULL;
8287     if (connection == trivial_)
8288         field = &trivial_;
8289     else if (connection == trivial_bz2_)
8290         field = &trivial_bz2_;
8291     else if (connection == trivial_gz_)
8292         field = &trivial_gz_;
8293     _assert(field != NULL);
8294     [connection release];
8295     *field = nil;
8296
8297     if (
8298         trivial_ == nil &&
8299         trivial_bz2_ == nil &&
8300         trivial_gz_ == nil
8301     ) {
8302         bool defer(false);
8303
8304         if (cydia_) {
8305             if (NSString *warning = [self yieldToSelector:@selector(getWarning)]) {
8306                 defer = true;
8307
8308                 UIAlertView *alert = [[[UIAlertView alloc]
8309                     initWithTitle:UCLocalize("SOURCE_WARNING")
8310                     message:warning
8311                     delegate:self
8312                     cancelButtonTitle:UCLocalize("CANCEL")
8313                     otherButtonTitles:
8314                         UCLocalize("ADD_ANYWAY"),
8315                     nil
8316                 ] autorelease];
8317
8318                 [alert setContext:@"warning"];
8319                 [alert setNumberOfRows:1];
8320                 [alert show];
8321             } else
8322                 [self complete];
8323         } else if (error_ != nil) {
8324             UIAlertView *alert = [[[UIAlertView alloc]
8325                 initWithTitle:UCLocalize("VERIFICATION_ERROR")
8326                 message:[error_ localizedDescription]
8327                 delegate:self
8328                 cancelButtonTitle:UCLocalize("OK")
8329                 otherButtonTitles:nil
8330             ] autorelease];
8331
8332             [alert setContext:@"urlerror"];
8333             [alert show];
8334         } else {
8335             UIAlertView *alert = [[[UIAlertView alloc]
8336                 initWithTitle:UCLocalize("NOT_REPOSITORY")
8337                 message:UCLocalize("NOT_REPOSITORY_EX")
8338                 delegate:self
8339                 cancelButtonTitle:UCLocalize("OK")
8340                 otherButtonTitles:nil
8341             ] autorelease];
8342
8343             [alert setContext:@"trivial"];
8344             [alert show];
8345         }
8346
8347         [delegate_ releaseNetworkActivityIndicator];
8348
8349         [delegate_ removeProgressHUD:hud_];
8350         [hud_ autorelease];
8351         hud_ = nil;
8352
8353         if (!defer) {
8354             [href_ release];
8355             href_ = nil;
8356         }
8357
8358         if (error_ != nil) {
8359             [error_ release];
8360             error_ = nil;
8361         }
8362     }
8363 }
8364
8365 - (void) connection:(NSURLConnection *)connection didReceiveResponse:(NSHTTPURLResponse *)response {
8366     switch ([response statusCode]) {
8367         case 200:
8368             cydia_ = YES;
8369     }
8370 }
8371
8372 - (void) connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
8373     lprintf("connection:\"%s\" didFailWithError:\"%s\"", [href_ UTF8String], [[error localizedDescription] UTF8String]);
8374     if (error_ != nil)
8375         error_ = [error retain];
8376     [self _endConnection:connection];
8377 }
8378
8379 - (void) connectionDidFinishLoading:(NSURLConnection *)connection {
8380     [self _endConnection:connection];
8381 }
8382
8383 - (NSURLConnection *) _requestHRef:(NSString *)href method:(NSString *)method {
8384     NSMutableURLRequest *request = [NSMutableURLRequest
8385         requestWithURL:[NSURL URLWithString:href]
8386         cachePolicy:NSURLRequestUseProtocolCachePolicy
8387         timeoutInterval:120.0
8388     ];
8389
8390     [request setHTTPMethod:method];
8391
8392     if (Machine_ != NULL)
8393         [request setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
8394     if (UniqueID_ != nil)
8395         [request setValue:UniqueID_ forHTTPHeaderField:@"X-Unique-ID"];
8396     if (Role_ != nil)
8397         [request setValue:Role_ forHTTPHeaderField:@"X-Role"];
8398
8399     return [[[NSURLConnection alloc] initWithRequest:request delegate:self] autorelease];
8400 }
8401
8402 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
8403     NSString *context([alert context]);
8404
8405     if ([context isEqualToString:@"source"]) {
8406         switch (button) {
8407             case 1: {
8408                 NSString *href = [[alert textField] text];
8409
8410                 //installer_ = [[self _requestHRef:href method:@"GET"] retain];
8411
8412                 if (![href hasSuffix:@"/"])
8413                     href_ = [href stringByAppendingString:@"/"];
8414                 else
8415                     href_ = href;
8416                 href_ = [href_ retain];
8417
8418                 trivial_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages"] method:@"HEAD"] retain];
8419                 trivial_bz2_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.bz2"] method:@"HEAD"] retain];
8420                 trivial_gz_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.gz"] method:@"HEAD"] retain];
8421                 //trivial_bz2_ = [[self _requestHRef:[href stringByAppendingString:@"dists/Release"] method:@"HEAD"] retain];
8422
8423                 cydia_ = false;
8424
8425                 // XXX: this is stupid
8426                 hud_ = [[delegate_ addProgressHUD] retain];
8427                 [hud_ setText:UCLocalize("VERIFYING_URL")];
8428                 [delegate_ retainNetworkActivityIndicator];
8429             } break;
8430
8431             case 0:
8432             break;
8433
8434             _nodefault
8435         }
8436
8437         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8438     } else if ([context isEqualToString:@"trivial"])
8439         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8440     else if ([context isEqualToString:@"urlerror"])
8441         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8442     else if ([context isEqualToString:@"warning"]) {
8443         switch (button) {
8444             case 1:
8445                 [self complete];
8446             break;
8447
8448             case 0:
8449             break;
8450
8451             _nodefault
8452         }
8453
8454         [href_ release];
8455         href_ = nil;
8456
8457         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8458     }
8459 }
8460
8461 - (void) loadView {
8462     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8463
8464     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain];
8465     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8466     [list_ setRowHeight:56];
8467     [list_ setDataSource:self];
8468     [list_ setDelegate:self];
8469     [[self view] addSubview:list_];
8470 }
8471
8472 - (void) viewDidLoad {
8473     [[self navigationItem] setTitle:UCLocalize("SOURCES")];
8474     [self updateButtonsForEditingStatus:NO animated:NO];
8475 }
8476
8477 - (void) releaseSubviews {
8478     [list_ release];
8479     list_ = nil;
8480 }
8481
8482 - (id) initWithDatabase:(Database *)database {
8483     if ((self = [super init]) != nil) {
8484         database_ = database;
8485         sources_ = [[NSMutableArray arrayWithCapacity:16] retain];
8486     } return self;
8487 }
8488
8489 - (void) reloadData {
8490     [super reloadData];
8491
8492     pkgSourceList list;
8493     if ([database_ popErrorWithTitle:UCLocalize("SOURCES") forOperation:list.ReadMainList()])
8494         return;
8495
8496     [sources_ removeAllObjects];
8497     [sources_ addObjectsFromArray:[database_ sources]];
8498     _trace();
8499     [sources_ sortUsingSelector:@selector(compareByNameAndType:)];
8500     _trace();
8501
8502     int count([sources_ count]);
8503     offset_ = 0;
8504     for (int i = 0; i != count; i++) {
8505         if ([[sources_ objectAtIndex:i] record] == nil)
8506             break;
8507         offset_++;
8508     }
8509
8510     [list_ setEditing:NO];
8511     [self updateButtonsForEditingStatus:NO animated:NO];
8512     [list_ reloadData];
8513 }
8514
8515 - (void) showAddSourcePrompt {
8516     UIAlertView *alert = [[[UIAlertView alloc]
8517         initWithTitle:UCLocalize("ENTER_APT_URL")
8518         message:nil
8519         delegate:self
8520         cancelButtonTitle:UCLocalize("CANCEL")
8521         otherButtonTitles:
8522             UCLocalize("ADD_SOURCE"),
8523         nil
8524     ] autorelease];
8525
8526     [alert setContext:@"source"];
8527     [alert setTransform:CGAffineTransformTranslate([alert transform], 0.0, 100.0)];
8528
8529     [alert setNumberOfRows:1];
8530     [alert addTextFieldWithValue:@"http://" label:@""];
8531
8532     UITextInputTraits *traits = [[alert textField] textInputTraits];
8533     [traits setAutocapitalizationType:UITextAutocapitalizationTypeNone];
8534     [traits setAutocorrectionType:UITextAutocorrectionTypeNo];
8535     [traits setKeyboardType:UIKeyboardTypeURL];
8536     // XXX: UIReturnKeyDone
8537     [traits setReturnKeyType:UIReturnKeyNext];
8538
8539     [alert show];
8540 }
8541
8542 - (void) addButtonClicked {
8543     [self showAddSourcePrompt];
8544 }
8545
8546 - (void) updateButtonsForEditingStatus:(BOOL)editing animated:(BOOL)animated {
8547     [[self navigationItem] setLeftBarButtonItem:(editing ? [[[UIBarButtonItem alloc]
8548         initWithTitle:UCLocalize("ADD")
8549         style:UIBarButtonItemStylePlain
8550         target:self
8551         action:@selector(addButtonClicked)
8552     ] autorelease] : [[self navigationItem] backBarButtonItem]) animated:animated];
8553
8554     [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8555         initWithTitle:(editing ? UCLocalize("DONE") : UCLocalize("EDIT"))
8556         style:(editing ? UIBarButtonItemStyleDone : UIBarButtonItemStylePlain)
8557         target:self
8558         action:@selector(editButtonClicked)
8559     ] autorelease] animated:animated];
8560
8561     if (IsWildcat_ && !editing)
8562         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
8563             initWithTitle:UCLocalize("SETTINGS")
8564             style:UIBarButtonItemStylePlain
8565             target:self
8566             action:@selector(settingsButtonClicked)
8567         ] autorelease]];
8568 }
8569
8570 - (void) settingsButtonClicked {
8571     [delegate_ showSettings];
8572 }
8573
8574 - (void) editButtonClicked {
8575     [list_ setEditing:![list_ isEditing] animated:YES];
8576
8577     [self updateButtonsForEditingStatus:[list_ isEditing] animated:YES];
8578 }
8579
8580 @end
8581 /* }}} */
8582
8583 /* Settings Controller {{{ */
8584 @interface SettingsController : CYViewController <
8585     UITableViewDataSource,
8586     UITableViewDelegate
8587 > {
8588     _transient Database *database_;
8589     // XXX: ok, "roledelegate_"?...
8590     _transient id roledelegate_;
8591     UITableView *table_;
8592     UISegmentedControl *segment_;
8593     UIView *container_;
8594 }
8595
8596 - (void) showDoneButton;
8597 - (void) resizeSegmentedControl;
8598
8599 @end
8600
8601 @implementation SettingsController
8602
8603 - (void) dealloc {
8604     [self releaseSubviews];
8605
8606     [super dealloc];
8607 }
8608
8609 - (void) loadView {
8610     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8611
8612     table_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped];
8613     [table_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8614     [table_ setDelegate:self];
8615     [table_ setDataSource:self];
8616     [[self view] addSubview:table_];
8617
8618     NSArray *items = [NSArray arrayWithObjects:
8619         UCLocalize("USER"),
8620         UCLocalize("HACKER"),
8621         UCLocalize("DEVELOPER"),
8622     nil];
8623     segment_ = [[UISegmentedControl alloc] initWithItems:items];
8624     container_ = [[UIView alloc] initWithFrame:CGRectMake(0, 0, [[self view] frame].size.width, 44.0f)];
8625     [container_ addSubview:segment_];
8626 }
8627
8628 - (void) viewDidLoad {
8629     [[self navigationItem] setTitle:UCLocalize("WHO_ARE_YOU")];
8630
8631     int index = -1;
8632     if ([Role_ isEqualToString:@"User"]) index = 0;
8633     if ([Role_ isEqualToString:@"Hacker"]) index = 1;
8634     if ([Role_ isEqualToString:@"Developer"]) index = 2;
8635     if (index != -1) {
8636         [segment_ setSelectedSegmentIndex:index];
8637         [self showDoneButton];
8638     }
8639
8640     [segment_ addTarget:self action:@selector(segmentChanged:) forControlEvents:UIControlEventValueChanged];
8641     [self resizeSegmentedControl];
8642 }
8643
8644 - (void) releaseSubviews {
8645     [table_ release];
8646     table_ = nil;
8647
8648     [segment_ release];
8649     segment_ = nil;
8650
8651     [container_ release];
8652     container_ = nil;
8653 }
8654
8655 - (id) initWithDatabase:(Database *)database delegate:(id)delegate {
8656     if ((self = [super init]) != nil) {
8657         database_ = database;
8658         roledelegate_ = delegate;
8659     } return self;
8660 }
8661
8662 - (void) resizeSegmentedControl {
8663     CGFloat width = [[self view] frame].size.width;
8664     [segment_ setFrame:CGRectMake(width / 32.0f, 0, width - (width / 32.0f * 2.0f), 44.0f)];
8665 }
8666
8667 - (void) viewWillAppear:(BOOL)animated {
8668     [super viewWillAppear:animated];
8669
8670     [self resizeSegmentedControl];
8671 }
8672
8673 - (void) willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation duration:(NSTimeInterval)duration {
8674     [self resizeSegmentedControl];
8675 }
8676
8677 - (void) didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
8678     [self resizeSegmentedControl];
8679 }
8680
8681 - (void) save {
8682     NSString *role(nil);
8683
8684     switch ([segment_ selectedSegmentIndex]) {
8685         case 0: role = @"User"; break;
8686         case 1: role = @"Hacker"; break;
8687         case 2: role = @"Developer"; break;
8688
8689         _nodefault
8690     }
8691
8692     if (![role isEqualToString:Role_]) {
8693         bool rolling(Role_ == nil);
8694         Role_ = role;
8695
8696         Settings_ = [NSMutableDictionary dictionaryWithObjectsAndKeys:
8697             Role_, @"Role",
8698         nil];
8699
8700         [Metadata_ setObject:Settings_ forKey:@"Settings"];
8701         Changed_ = true;
8702
8703         if (rolling)
8704             [roledelegate_ loadData];
8705         else
8706             [roledelegate_ updateData];
8707     }
8708 }
8709
8710 - (void) segmentChanged:(UISegmentedControl *)control {
8711     [self showDoneButton];
8712 }
8713
8714 - (void) saveAndClose {
8715     [self save];
8716
8717     [[self navigationItem] setRightBarButtonItem:nil];
8718     [[self navigationController] dismissModalViewControllerAnimated:YES];
8719 }
8720
8721 - (void) doneButtonClicked {
8722     UIActivityIndicatorView *spinner = [[[UIActivityIndicatorView alloc] initWithFrame:CGRectMake(0, 0, 20.0f, 20.0f)] autorelease];
8723     [spinner startAnimating];
8724     UIBarButtonItem *spinItem = [[[UIBarButtonItem alloc] initWithCustomView:spinner] autorelease];
8725     [[self navigationItem] setRightBarButtonItem:spinItem];
8726
8727     [self performSelector:@selector(saveAndClose) withObject:nil afterDelay:0];
8728 }
8729
8730 - (void) showDoneButton {
8731     [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8732         initWithTitle:UCLocalize("DONE")
8733         style:UIBarButtonItemStyleDone
8734         target:self
8735         action:@selector(doneButtonClicked)
8736     ] autorelease] animated:([[self navigationItem] rightBarButtonItem] == nil)];
8737 }
8738
8739 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
8740     // XXX: For not having a single cell in the table, this sure is a lot of sections.
8741     return 6;
8742 }
8743
8744 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
8745     return 0; // :(
8746 }
8747
8748 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
8749     return nil; // This method is required by the protocol.
8750 }
8751
8752 - (NSString *) tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
8753     if (section == 1)
8754         return UCLocalize("ROLE_EX");
8755     if (section == 4)
8756         return [NSString stringWithFormat:
8757             @"%@: %@\n%@: %@\n%@: %@",
8758             UCLocalize("USER"), UCLocalize("USER_EX"),
8759             UCLocalize("HACKER"), UCLocalize("HACKER_EX"),
8760             UCLocalize("DEVELOPER"), UCLocalize("DEVELOPER_EX")
8761         ];
8762     else return nil;
8763 }
8764
8765 - (CGFloat) tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section {
8766     return section == 3 ? 44.0f : 0;
8767 }
8768
8769 - (UIView *) tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
8770     return section == 3 ? container_ : nil;
8771 }
8772
8773 - (void) reloadData {
8774     [super reloadData];
8775     [table_ reloadData];
8776 }
8777
8778 @end
8779 /* }}} */
8780 /* Stash Controller {{{ */
8781 @interface StashController : CYViewController {
8782     UIActivityIndicatorView *spinner_;
8783     UILabel *status_;
8784     UILabel *caption_;
8785 }
8786
8787 @end
8788
8789 @implementation StashController
8790
8791 - (void) dealloc {
8792     [self releaseSubviews];
8793
8794     [super dealloc];
8795 }
8796
8797 - (void) loadView {
8798     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8799     [[self view] setBackgroundColor:[UIColor viewFlipsideBackgroundColor]];
8800
8801     spinner_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge] autorelease];
8802     CGRect spinrect = [spinner_ frame];
8803     spinrect.origin.x = ([[self view] frame].size.width / 2) - (spinrect.size.width / 2);
8804     spinrect.origin.y = [[self view] frame].size.height - 80.0f;
8805     [spinner_ setFrame:spinrect];
8806     [spinner_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin];
8807     [[self view] addSubview:spinner_];
8808     [spinner_ startAnimating];
8809
8810     CGRect captrect;
8811     captrect.size.width = [[self view] frame].size.width;
8812     captrect.size.height = 40.0f;
8813     captrect.origin.x = 0;
8814     captrect.origin.y = ([[self view] frame].size.height / 2) - (captrect.size.height * 2);
8815     caption_ = [[[UILabel alloc] initWithFrame:captrect] autorelease];
8816     [caption_ setText:UCLocalize("PREPARING_FILESYSTEM")];
8817     [caption_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8818     [caption_ setFont:[UIFont boldSystemFontOfSize:28.0f]];
8819     [caption_ setTextColor:[UIColor whiteColor]];
8820     [caption_ setBackgroundColor:[UIColor clearColor]];
8821     [caption_ setShadowColor:[UIColor blackColor]];
8822     [caption_ setTextAlignment:UITextAlignmentCenter];
8823     [[self view] addSubview:caption_];
8824
8825     CGRect statusrect;
8826     statusrect.size.width = [[self view] frame].size.width;
8827     statusrect.size.height = 30.0f;
8828     statusrect.origin.x = 0;
8829     statusrect.origin.y = ([[self view] frame].size.height / 2) - statusrect.size.height;
8830     status_ = [[[UILabel alloc] initWithFrame:statusrect] autorelease];
8831     [status_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8832     [status_ setText:UCLocalize("EXIT_WHEN_COMPLETE")];
8833     [status_ setFont:[UIFont systemFontOfSize:16.0f]];
8834     [status_ setTextColor:[UIColor whiteColor]];
8835     [status_ setBackgroundColor:[UIColor clearColor]];
8836     [status_ setShadowColor:[UIColor blackColor]];
8837     [status_ setTextAlignment:UITextAlignmentCenter];
8838     [[self view] addSubview:status_];
8839 }
8840
8841 - (void) releaseSubviews {
8842     [spinner_ release];
8843     spinner_ = nil;
8844
8845     [status_ release];
8846     status_ = nil;
8847
8848     [caption_ release];
8849     caption_ = nil;
8850 }
8851
8852 @end
8853 /* }}} */
8854
8855 @interface Cydia : UIApplication <
8856     ConfirmationControllerDelegate,
8857     DatabaseDelegate,
8858     CydiaDelegate,
8859     UINavigationControllerDelegate,
8860     UITabBarControllerDelegate
8861 > {
8862     // XXX: evaluate all fields for _transient
8863
8864     UIWindow *window_;
8865     CYTabBarController *tabbar_;
8866     CYEmulatedLoadingController *emulated_;
8867
8868     NSMutableArray *essential_;
8869     NSMutableArray *broken_;
8870
8871     Database *database_;
8872
8873     NSURL *starturl_;
8874
8875     unsigned locked_;
8876     unsigned activity_;
8877
8878     StashController *stash_;
8879
8880     bool loaded_;
8881 }
8882
8883 - (void) loadData;
8884
8885 @end
8886
8887 @implementation Cydia
8888
8889 - (void) beginUpdate {
8890     [tabbar_ beginUpdate];
8891 }
8892
8893 - (BOOL) updating {
8894     return [tabbar_ updating];
8895 }
8896
8897 - (void) _loaded {
8898     if ([broken_ count] != 0) {
8899         int count = [broken_ count];
8900
8901         UIAlertView *alert = [[[UIAlertView alloc]
8902             initWithTitle:(count == 1 ? UCLocalize("HALFINSTALLED_PACKAGE") : [NSString stringWithFormat:UCLocalize("HALFINSTALLED_PACKAGES"), count])
8903             message:UCLocalize("HALFINSTALLED_PACKAGE_EX")
8904             delegate:self
8905             cancelButtonTitle:UCLocalize("FORCIBLY_CLEAR")
8906             otherButtonTitles:
8907                 UCLocalize("TEMPORARY_IGNORE"),
8908             nil
8909         ] autorelease];
8910
8911         [alert setContext:@"fixhalf"];
8912         [alert setNumberOfRows:2];
8913         [alert show];
8914     } else if (!Ignored_ && [essential_ count] != 0) {
8915         int count = [essential_ count];
8916
8917         UIAlertView *alert = [[[UIAlertView alloc]
8918             initWithTitle:(count == 1 ? UCLocalize("ESSENTIAL_UPGRADE") : [NSString stringWithFormat:UCLocalize("ESSENTIAL_UPGRADES"), count])
8919             message:UCLocalize("ESSENTIAL_UPGRADE_EX")
8920             delegate:self
8921             cancelButtonTitle:UCLocalize("TEMPORARY_IGNORE")
8922             otherButtonTitles:
8923                 UCLocalize("UPGRADE_ESSENTIAL"),
8924                 UCLocalize("COMPLETE_UPGRADE"),
8925             nil
8926         ] autorelease];
8927
8928         [alert setContext:@"upgrade"];
8929         [alert show];
8930     }
8931 }
8932
8933 - (void) _saveConfig {
8934     _trace();
8935     MetaFile_.Sync();
8936     _trace();
8937
8938     if (Changed_) {
8939         NSString *error(nil);
8940
8941         if (NSData *data = [NSPropertyListSerialization dataFromPropertyList:Metadata_ format:NSPropertyListBinaryFormat_v1_0 errorDescription:&error]) {
8942             _trace();
8943             NSError *error(nil);
8944             if (![data writeToFile:@"/var/lib/cydia/metadata.plist" options:NSAtomicWrite error:&error])
8945                 NSLog(@"failure to save metadata data: %@", error);
8946             _trace();
8947
8948             Changed_ = false;
8949         } else {
8950             NSLog(@"failure to serialize metadata: %@", error);
8951         }
8952     }
8953 }
8954
8955 // Navigation controller for the queuing badge.
8956 - (CYNavigationController *) queueNavigationController {
8957     NSArray *controllers = [tabbar_ viewControllers];
8958     return [controllers objectAtIndex:3];
8959 }
8960
8961 - (void) _updateData {
8962     [self _saveConfig];
8963
8964     [tabbar_ reloadData];
8965
8966     CYNavigationController *navigation = [self queueNavigationController];
8967
8968     id queuedelegate = nil;
8969     if ([[navigation viewControllers] count] > 0)
8970         queuedelegate = [[navigation viewControllers] objectAtIndex:0];
8971
8972     [queuedelegate queueStatusDidChange];
8973     [[navigation tabBarItem] setBadgeValue:(Queuing_ ? UCLocalize("Q_D") : nil)];
8974 }
8975
8976 - (void) _refreshIfPossible:(NSDate *)update {
8977     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
8978
8979     bool recently = false;
8980     if (update != nil) {
8981         NSTimeInterval interval([update timeIntervalSinceNow]);
8982         if (interval <= 0 && interval > -(15*60))
8983             recently = true;
8984     }
8985
8986     // Don't automatic refresh if:
8987     //  - We already refreshed recently.
8988     //  - We already auto-refreshed this launch.
8989     //  - Auto-refresh is disabled.
8990     if (recently || loaded_ || ManualRefresh) {
8991         [self performSelectorOnMainThread:@selector(_loaded) withObject:nil waitUntilDone:NO];
8992
8993         // If we are cancelling, we need to make sure it knows it's already loaded.
8994         loaded_ = true;
8995         return;
8996     } else {
8997         // We are going to load, so remember that.
8998         loaded_ = true;
8999     }
9000
9001     SCNetworkReachabilityFlags flags; {
9002         SCNetworkReachabilityRef reachability(SCNetworkReachabilityCreateWithName(NULL, "cydia.saurik.com"));
9003         SCNetworkReachabilityGetFlags(reachability, &flags);
9004         CFRelease(reachability);
9005     }
9006
9007     // XXX: this elaborate mess is what Apple is using to determine this? :(
9008     // XXX: do we care if the user has to intervene? maybe that's ok?
9009     bool reachable(
9010         (flags & kSCNetworkReachabilityFlagsReachable) != 0 && (
9011             (flags & kSCNetworkReachabilityFlagsConnectionRequired) == 0 || (
9012                 (flags & kSCNetworkReachabilityFlagsConnectionOnDemand) != 0 ||
9013                 (flags & kSCNetworkReachabilityFlagsConnectionOnTraffic) != 0
9014             ) && (flags & kSCNetworkReachabilityFlagsInterventionRequired) == 0 ||
9015             (flags & kSCNetworkReachabilityFlagsIsWWAN) != 0
9016         )
9017     );
9018
9019     // If we can reach the server, auto-refresh!
9020     if (reachable)
9021         [tabbar_ performSelectorOnMainThread:@selector(setUpdate:) withObject:update waitUntilDone:NO];
9022
9023     [pool release];
9024 }
9025
9026 - (void) refreshIfPossible {
9027     [NSThread detachNewThreadSelector:@selector(_refreshIfPossible:) toTarget:self withObject:[Metadata_ objectForKey:@"LastUpdate"]];
9028 }
9029
9030 - (void) _reloadDataWithInvocation:(NSInvocation *)invocation {
9031     UIProgressHUD *hud(loaded_ ? [self addProgressHUD] : nil);
9032     [hud setText:UCLocalize("RELOADING_DATA")];
9033
9034     [database_ yieldToSelector:@selector(reloadDataWithInvocation:) withObject:invocation];
9035
9036     if (hud != nil)
9037         [self removeProgressHUD:hud];
9038
9039     size_t changes(0);
9040
9041     [essential_ removeAllObjects];
9042     [broken_ removeAllObjects];
9043
9044     NSArray *packages([database_ packages]);
9045     for (Package *package in packages) {
9046         if ([package half])
9047             [broken_ addObject:package];
9048         if ([package upgradableAndEssential:NO]) {
9049             if ([package essential])
9050                 [essential_ addObject:package];
9051             ++changes;
9052         }
9053     }
9054
9055     NSLog(@"changes:#%u", changes);
9056
9057     UITabBarItem *changesItem = [[[tabbar_ viewControllers] objectAtIndex:2] tabBarItem];
9058     if (changes != 0) {
9059         _trace();
9060         NSString *badge([[NSNumber numberWithInt:changes] stringValue]);
9061         [changesItem setBadgeValue:badge];
9062         [changesItem setAnimatedBadge:([essential_ count] > 0)];
9063         [self setApplicationIconBadgeNumber:changes];
9064     } else {
9065         _trace();
9066         [changesItem setBadgeValue:nil];
9067         [changesItem setAnimatedBadge:NO];
9068         [self setApplicationIconBadgeNumber:0];
9069     }
9070
9071     [self _updateData];
9072
9073     [self refreshIfPossible];
9074 }
9075
9076 - (void) updateData {
9077     [self _updateData];
9078 }
9079
9080 - (void) update_ {
9081     [database_ update];
9082 }
9083
9084 - (void) complete {
9085     @synchronized (self) {
9086         [self _reloadDataWithInvocation:nil];
9087     }
9088 }
9089
9090 - (void) disemulate {
9091     if (emulated_ == nil)
9092         return;
9093
9094     [window_ addSubview:[tabbar_ view]];
9095     [[emulated_ view] removeFromSuperview];
9096     [emulated_ release];
9097     emulated_ = nil;
9098     [window_ setUserInteractionEnabled:YES];
9099 }
9100
9101 - (void) presentModalViewController:(UIViewController *)controller force:(BOOL)force {
9102     UINavigationController *navigation([[[CYNavigationController alloc] initWithRootViewController:controller] autorelease]);
9103     if (IsWildcat_)
9104         [navigation setModalPresentationStyle:UIModalPresentationFormSheet];
9105
9106     UIViewController *parent;
9107     if (emulated_ == nil)
9108         parent = tabbar_;
9109     else if (!force)
9110         parent = emulated_;
9111     else {
9112         [self disemulate];
9113         parent = tabbar_;
9114     }
9115
9116     [parent presentModalViewController:navigation animated:YES];
9117 }
9118
9119 - (ProgressController *) invokeNewProgress:(NSInvocation *)invocation forController:(UINavigationController *)navigation withTitle:(NSString *)title {
9120     ProgressController *progress([[[ProgressController alloc] initWithDatabase:database_ delegate:self] autorelease]);
9121
9122     if (navigation != nil)
9123         [navigation pushViewController:progress animated:YES];
9124     else
9125         [self presentModalViewController:progress force:YES];
9126
9127     [progress invoke:invocation withTitle:title];
9128     return progress;
9129 }
9130
9131 - (void) detachNewProgressSelector:(SEL)selector toTarget:(id)target forController:(UINavigationController *)navigation title:(NSString *)title {
9132     [self invokeNewProgress:[NSInvocation invocationWithSelector:selector forTarget:target] forController:navigation withTitle:title];
9133 }
9134
9135 - (void) repairWithInvocation:(NSInvocation *)invocation {
9136     _trace();
9137     [self invokeNewProgress:invocation forController:nil withTitle:@"REPAIRING"];
9138     _trace();
9139 }
9140
9141 - (void) repairWithSelector:(SEL)selector {
9142     [self performSelectorOnMainThread:@selector(repairWithInvocation:) withObject:[NSInvocation invocationWithSelector:selector forTarget:database_] waitUntilDone:YES];
9143 }
9144
9145 - (void) syncData {
9146     [self _saveConfig];
9147
9148     FILE *file(fopen("/etc/apt/sources.list.d/cydia.list", "w"));
9149     _assert(file != NULL);
9150
9151     for (NSString *key in [Sources_ allKeys]) {
9152         NSDictionary *source([Sources_ objectForKey:key]);
9153
9154         fprintf(file, "%s %s %s\n",
9155             [[source objectForKey:@"Type"] UTF8String],
9156             [[source objectForKey:@"URI"] UTF8String],
9157             [[source objectForKey:@"Distribution"] UTF8String]
9158         );
9159     }
9160
9161     fclose(file);
9162
9163     [self detachNewProgressSelector:@selector(update_) toTarget:self forController:nil title:@"UPDATING_SOURCES"];
9164
9165     [self complete];
9166 }
9167
9168 - (void) addTrivialSource:(NSString *)href {
9169     [Sources_ setObject:[NSDictionary dictionaryWithObjectsAndKeys:
9170         @"deb", @"Type",
9171         href, @"URI",
9172         @"./", @"Distribution",
9173     nil] forKey:[NSString stringWithFormat:@"deb:%@:./", href]];
9174
9175     Changed_ = true;
9176 }
9177
9178 - (void) reloadDataWithInvocation:(NSInvocation *)invocation {
9179     @synchronized (self) {
9180         [self _reloadDataWithInvocation:invocation];
9181     }
9182 }
9183
9184 - (void) reloadData {
9185     [self reloadDataWithInvocation:nil];
9186 }
9187
9188 - (void) resolve {
9189     pkgProblemResolver *resolver = [database_ resolver];
9190
9191     resolver->InstallProtect();
9192     if (!resolver->Resolve(true))
9193         _error->Discard();
9194 }
9195
9196 - (bool) perform {
9197     // XXX: this is a really crappy way of doing this.
9198     // like, seriously: this state machine is still broken, and cancelling this here doesn't really /fix/ that.
9199     // for one, the user can still /start/ a reloading data event while they have a queue, which is stupid
9200     // for two, this just means there is a race condition between the refresh completing and the confirmation controller appearing.
9201     if ([tabbar_ updating])
9202         [tabbar_ cancelUpdate];
9203
9204     if (![database_ prepare])
9205         return false;
9206
9207     ConfirmationController *page([[[ConfirmationController alloc] initWithDatabase:database_] autorelease]);
9208     [page setDelegate:self];
9209     CYNavigationController *confirm_([[[CYNavigationController alloc] initWithRootViewController:page] autorelease]);
9210     [confirm_ setDelegate:self];
9211
9212     if (IsWildcat_)
9213         [confirm_ setModalPresentationStyle:UIModalPresentationFormSheet];
9214     [tabbar_ presentModalViewController:confirm_ animated:YES];
9215
9216     return true;
9217 }
9218
9219 - (void) queue {
9220     @synchronized (self) {
9221         [self perform];
9222     }
9223 }
9224
9225 - (void) clearPackage:(Package *)package {
9226     @synchronized (self) {
9227         [package clear];
9228         [self resolve];
9229         [self perform];
9230     }
9231 }
9232
9233 - (void) installPackages:(NSArray *)packages {
9234     @synchronized (self) {
9235         for (Package *package in packages)
9236             [package install];
9237         [self resolve];
9238         [self perform];
9239     }
9240 }
9241
9242 - (void) installPackage:(Package *)package {
9243     @synchronized (self) {
9244         [package install];
9245         [self resolve];
9246         [self perform];
9247     }
9248 }
9249
9250 - (void) removePackage:(Package *)package {
9251     @synchronized (self) {
9252         [package remove];
9253         [self resolve];
9254         [self perform];
9255     }
9256 }
9257
9258 - (void) distUpgrade {
9259     @synchronized (self) {
9260         if (![database_ upgrade])
9261             return;
9262         [self perform];
9263     }
9264 }
9265
9266 - (void) confirmWithNavigationController:(UINavigationController *)navigation {
9267     Queuing_ = false;
9268     ++locked_;
9269     [self detachNewProgressSelector:@selector(perform) toTarget:database_ forController:navigation title:@"RUNNING"];
9270     --locked_;
9271     [self complete];
9272 }
9273
9274 - (void) showSettings {
9275     SettingsController *role = [[[SettingsController alloc] initWithDatabase:database_ delegate:self] autorelease];
9276     CYNavigationController *nav = [[[CYNavigationController alloc] initWithRootViewController:role] autorelease];
9277     if (IsWildcat_)
9278         [nav setModalPresentationStyle:UIModalPresentationFormSheet];
9279     [tabbar_ presentModalViewController:nav animated:YES];
9280 }
9281
9282 - (void) retainNetworkActivityIndicator {
9283     if (activity_++ == 0)
9284         [self setNetworkActivityIndicatorVisible:YES];
9285
9286 #if TraceLogging
9287     NSLog(@"retainNetworkActivityIndicator->%d", activity_);
9288 #endif
9289 }
9290
9291 - (void) releaseNetworkActivityIndicator {
9292     if (--activity_ == 0)
9293         [self setNetworkActivityIndicatorVisible:NO];
9294
9295 #if TraceLogging
9296     NSLog(@"releaseNetworkActivityIndicator->%d", activity_);
9297 #endif
9298
9299 }
9300
9301 - (void) cancelAndClear:(bool)clear {
9302     @synchronized (self) {
9303         if (clear) {
9304             [database_ clear];
9305             Queuing_ = false;
9306         } else {
9307             Queuing_ = true;
9308         }
9309
9310         [self _updateData];
9311     }
9312 }
9313
9314 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
9315     NSString *context([alert context]);
9316
9317     if ([context isEqualToString:@"conffile"]) {
9318         FILE *input = [database_ input];
9319         if (button == [alert cancelButtonIndex])
9320             fprintf(input, "N\n");
9321         else if (button == [alert firstOtherButtonIndex])
9322             fprintf(input, "Y\n");
9323         fflush(input);
9324
9325         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9326     } else if ([context isEqualToString:@"fixhalf"]) {
9327         if (button == [alert cancelButtonIndex]) {
9328             @synchronized (self) {
9329                 for (Package *broken in broken_) {
9330                     [broken remove];
9331
9332                     NSString *id = [broken id];
9333                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.prerm", id] UTF8String]);
9334                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postrm", id] UTF8String]);
9335                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.preinst", id] UTF8String]);
9336                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postinst", id] UTF8String]);
9337                 }
9338
9339                 [self resolve];
9340                 [self perform];
9341             }
9342         } else if (button == [alert firstOtherButtonIndex]) {
9343             [broken_ removeAllObjects];
9344             [self _loaded];
9345         }
9346
9347         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9348     } else if ([context isEqualToString:@"upgrade"]) {
9349         if (button == [alert firstOtherButtonIndex]) {
9350             @synchronized (self) {
9351                 for (Package *essential in essential_)
9352                     [essential install];
9353
9354                 [self resolve];
9355                 [self perform];
9356             }
9357         } else if (button == [alert firstOtherButtonIndex] + 1) {
9358             [self distUpgrade];
9359         } else if (button == [alert cancelButtonIndex]) {
9360             Ignored_ = YES;
9361         }
9362
9363         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9364     }
9365 }
9366
9367 - (void) system:(NSString *)command { _pooled
9368     _trace();
9369     system([command UTF8String]);
9370     _trace();
9371 }
9372
9373 - (void) applicationWillSuspend {
9374     [database_ clean];
9375     [super applicationWillSuspend];
9376 }
9377
9378 - (BOOL) isSafeToSuspend {
9379     if (locked_ != 0) {
9380 #if !ForRelease
9381         NSLog(@"isSafeToSuspend: locked_ != 0");
9382 #endif
9383         return false;
9384     }
9385
9386     // Use external process status API internally.
9387     // This is probably a really bad idea.
9388     // XXX: what is the point of this? does this solve anything at all?
9389     uint64_t status = 0;
9390     int notify_token;
9391     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
9392         notify_get_state(notify_token, &status);
9393         notify_cancel(notify_token);
9394     }
9395
9396     if (status != 0) {
9397 #if !ForRelease
9398         NSLog(@"isSafeToSuspend: status != 0");
9399 #endif
9400         return false;
9401     }
9402
9403 #if !ForRelease
9404     NSLog(@"isSafeToSuspend: -> true");
9405 #endif
9406     return true;
9407 }
9408
9409 - (void) applicationSuspend:(__GSEvent *)event {
9410     if ([self isSafeToSuspend])
9411         [super applicationSuspend:event];
9412 }
9413
9414 - (void) _animateSuspension:(BOOL)arg0 duration:(double)arg1 startTime:(double)arg2 scale:(float)arg3 {
9415     if ([self isSafeToSuspend])
9416         [super _animateSuspension:arg0 duration:arg1 startTime:arg2 scale:arg3];
9417 }
9418
9419 - (void) _setSuspended:(BOOL)value {
9420     if ([self isSafeToSuspend])
9421         [super _setSuspended:value];
9422 }
9423
9424 - (UIProgressHUD *) addProgressHUD {
9425     UIProgressHUD *hud([[[UIProgressHUD alloc] initWithWindow:window_] autorelease]);
9426     [hud setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
9427
9428     [window_ setUserInteractionEnabled:NO];
9429     [hud show:YES];
9430
9431     UIViewController *target = tabbar_;
9432     while ([target modalViewController] != nil) target = [target modalViewController];
9433     [[target view] addSubview:hud];
9434
9435     ++locked_;
9436     return hud;
9437 }
9438
9439 - (void) removeProgressHUD:(UIProgressHUD *)hud {
9440     [hud show:NO];
9441     [hud removeFromSuperview];
9442     [window_ setUserInteractionEnabled:YES];
9443     --locked_;
9444 }
9445
9446 - (CYViewController *) pageForPackage:(NSString *)name {
9447     return [[[CYPackageController alloc] initWithDatabase:database_ forPackage:name] autorelease];
9448 }
9449
9450 - (CYViewController *) pageForURL:(NSURL *)url forExternal:(BOOL)external {
9451     NSString *scheme([[url scheme] lowercaseString]);
9452     if ([[url absoluteString] length] <= [scheme length] + 3)
9453         return nil;
9454     NSString *path([[url absoluteString] substringFromIndex:[scheme length] + 3]);
9455     NSArray *components([path pathComponents]);
9456
9457     if ([scheme isEqualToString:@"apptapp"] && [components count] > 0 && [[components objectAtIndex:0] isEqualToString:@"package"])
9458         return [self pageForPackage:[components objectAtIndex:1]];
9459
9460     if ([components count] < 1 || ![scheme isEqualToString:@"cydia"])
9461         return nil;
9462
9463     NSString *base([components objectAtIndex:0]);
9464
9465     CYViewController *controller = nil;
9466
9467     if ([base isEqualToString:@"url"]) {
9468         // This kind of URL can contain slashes in the argument, so we can't parse them below.
9469         NSString *destination = [[url absoluteString] substringFromIndex:([scheme length] + [@"://" length] + [base length] + [@"/" length])];
9470         controller = [[[CYBrowserController alloc] initWithURL:[NSURL URLWithString:destination]] autorelease];
9471     } else if (!external && [components count] == 1) {
9472         if ([base isEqualToString:@"manage"]) {
9473             controller = [[[ManageController alloc] init] autorelease];
9474         }
9475
9476         if ([base isEqualToString:@"sources"]) {
9477             controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
9478         }
9479
9480         if ([base isEqualToString:@"home"]) {
9481             controller = [[[HomeController alloc] init] autorelease];
9482         }
9483
9484         if ([base isEqualToString:@"sections"]) {
9485             controller = [[[SectionsController alloc] initWithDatabase:database_] autorelease];
9486         }
9487
9488         if ([base isEqualToString:@"search"]) {
9489             controller = [[[SearchController alloc] initWithDatabase:database_] autorelease];
9490         }
9491
9492         if ([base isEqualToString:@"changes"]) {
9493             controller = [[[ChangesController alloc] initWithDatabase:database_] autorelease];
9494         }
9495
9496         if ([base isEqualToString:@"installed"]) {
9497             controller = [[[InstalledController alloc] initWithDatabase:database_] autorelease];
9498         }
9499     } else if ([components count] == 2) {
9500         NSString *argument = [components objectAtIndex:1];
9501
9502         if ([base isEqualToString:@"package"]) {
9503             controller = [self pageForPackage:argument];
9504         }
9505
9506         if (!external && [base isEqualToString:@"search"]) {
9507             controller = [[[SearchController alloc] initWithDatabase:database_] autorelease];
9508             [(SearchController *)controller setSearchTerm:argument];
9509         }
9510
9511         if (!external && [base isEqualToString:@"sections"]) {
9512             if ([argument isEqualToString:@"all"])
9513                 argument = nil;
9514             controller = [[[SectionController alloc] initWithDatabase:database_ section:argument] autorelease];
9515         }
9516
9517         if (!external && [base isEqualToString:@"sources"]) {
9518             if ([argument isEqualToString:@"add"]) {
9519                 controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
9520                 [(SourcesController *)controller showAddSourcePrompt];
9521             } else {
9522                 Source *source = [database_ sourceWithKey:argument];
9523                 controller = [[[SourceController alloc] initWithDatabase:database_ source:source] autorelease];
9524             }
9525         }
9526
9527         if (!external && [base isEqualToString:@"launch"]) {
9528             [self launchApplicationWithIdentifier:argument suspended:NO];
9529             return nil;
9530         }
9531     } else if (!external && [components count] == 3) {
9532         NSString *arg1 = [components objectAtIndex:1];
9533         NSString *arg2 = [components objectAtIndex:2];
9534
9535         if ([base isEqualToString:@"package"]) {
9536             if ([arg2 isEqualToString:@"settings"]) {
9537                 controller = [[[PackageSettingsController alloc] initWithDatabase:database_ package:arg1] autorelease];
9538             } else if ([arg2 isEqualToString:@"files"]) {
9539                 if (Package *package = [database_ packageWithName:arg1]) {
9540                     controller = [[[FileTable alloc] initWithDatabase:database_] autorelease];
9541                     [(FileTable *)controller setPackage:package];
9542                 }
9543             }
9544         }
9545     }
9546
9547     [controller setDelegate:self];
9548     return controller;
9549 }
9550
9551 - (BOOL) openCydiaURL:(NSURL *)url forExternal:(BOOL)external {
9552     CYViewController *page([self pageForURL:url forExternal:external]);
9553
9554     if (page != nil) {
9555         CYNavigationController *nav = [[[CYNavigationController alloc] init] autorelease];
9556         [nav setViewControllers:[NSArray arrayWithObject:page]];
9557         [tabbar_ setUnselectedViewController:nav];
9558     }
9559
9560     return page != nil;
9561 }
9562
9563 - (void) applicationOpenURL:(NSURL *)url {
9564     [super applicationOpenURL:url];
9565
9566     if (!loaded_) starturl_ = [url retain];
9567     else [self openCydiaURL:url forExternal:YES];
9568 }
9569
9570 - (void) applicationWillResignActive:(UIApplication *)application {
9571     // Stop refreshing if you get a phone call or lock the device.
9572     if ([tabbar_ updating])
9573         [tabbar_ cancelUpdate];
9574
9575     if ([[self superclass] instancesRespondToSelector:@selector(applicationWillResignActive:)])
9576         [super applicationWillResignActive:application];
9577 }
9578
9579 - (void) applicationWillTerminate:(UIApplication *)application {
9580     Changed_ = true;
9581     [Metadata_ setObject:[tabbar_ navigationURLCollection] forKey:@"InterfaceState"];
9582     [Metadata_ setObject:[NSDate date] forKey:@"LastClosed"];
9583     [Metadata_ setObject:[NSNumber numberWithInt:[tabbar_ selectedIndex]] forKey:@"InterfaceIndex"];
9584
9585     [self _saveConfig];
9586 }
9587
9588 - (void) setConfigurationData:(NSString *)data {
9589     static Pcre conffile_r("^'(.*)' '(.*)' ([01]) ([01])$");
9590
9591     if (!conffile_r(data)) {
9592         lprintf("E:invalid conffile\n");
9593         return;
9594     }
9595
9596     NSString *ofile = conffile_r[1];
9597     //NSString *nfile = conffile_r[2];
9598
9599     UIAlertView *alert = [[[UIAlertView alloc]
9600         initWithTitle:UCLocalize("CONFIGURATION_UPGRADE")
9601         message:[NSString stringWithFormat:@"%@\n\n%@", UCLocalize("CONFIGURATION_UPGRADE_EX"), ofile]
9602         delegate:self
9603         cancelButtonTitle:UCLocalize("KEEP_OLD_COPY")
9604         otherButtonTitles:
9605             UCLocalize("ACCEPT_NEW_COPY"),
9606             // XXX: UCLocalize("SEE_WHAT_CHANGED"),
9607         nil
9608     ] autorelease];
9609
9610     [alert setContext:@"conffile"];
9611     [alert setNumberOfRows:2];
9612     [alert show];
9613 }
9614
9615 - (void) addStashController {
9616     ++locked_;
9617     stash_ = [[StashController alloc] init];
9618     [window_ addSubview:[stash_ view]];
9619 }
9620
9621 - (void) removeStashController {
9622     [[stash_ view] removeFromSuperview];
9623     [stash_ release];
9624     --locked_;
9625 }
9626
9627 - (void) stash {
9628     [self setIdleTimerDisabled:YES];
9629
9630     [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleBlackOpaque];
9631     UpdateExternalStatus(1);
9632     [self yieldToSelector:@selector(system:) withObject:@"/usr/libexec/cydia/free.sh"];
9633     UpdateExternalStatus(0);
9634
9635     [self removeStashController];
9636
9637     if (ExecFork() == 0) {
9638         execlp("launchctl", "launchctl", "stop", "com.apple.SpringBoard", NULL);
9639         perror("launchctl stop");
9640     }
9641 }
9642
9643 - (void) setupViewControllers {
9644     tabbar_ = [[CYTabBarController alloc] initWithDatabase:database_];
9645
9646     NSMutableArray *items([NSMutableArray arrayWithObjects:
9647         [[[UITabBarItem alloc] initWithTitle:@"Cydia" image:[UIImage applicationImageNamed:@"home.png"] tag:0] autorelease],
9648         [[[UITabBarItem alloc] initWithTitle:UCLocalize("SECTIONS") image:[UIImage applicationImageNamed:@"install.png"] tag:0] autorelease],
9649         [[[UITabBarItem alloc] initWithTitle:UCLocalize("CHANGES") image:[UIImage applicationImageNamed:@"changes.png"] tag:0] autorelease],
9650         [[[UITabBarItem alloc] initWithTitle:UCLocalize("SEARCH") image:[UIImage applicationImageNamed:@"search.png"] tag:0] autorelease],
9651     nil]);
9652
9653     if (IsWildcat_) {
9654         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("SOURCES") image:[UIImage applicationImageNamed:@"source.png"] tag:0] autorelease] atIndex:3];
9655         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("INSTALLED") image:[UIImage applicationImageNamed:@"manage.png"] tag:0] autorelease] atIndex:3];
9656     } else {
9657         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("MANAGE") image:[UIImage applicationImageNamed:@"manage.png"] tag:0] autorelease] atIndex:3];
9658     }
9659
9660     NSMutableArray *controllers([NSMutableArray array]);
9661     for (UITabBarItem *item in items) {
9662         CYNavigationController *controller([[[CYNavigationController alloc] initWithDatabase:database_] autorelease]);
9663         [controller setTabBarItem:item];
9664         [controllers addObject:controller];
9665     }
9666     [tabbar_ setViewControllers:controllers];
9667
9668     [tabbar_ setUpdateDelegate:self];
9669 }
9670
9671 - (void) addCydiaHost:(NSString *)host {
9672     [CydiaHosts_ addObject:host];
9673 }
9674
9675 - (void) applicationDidFinishLaunching:(id)unused {
9676 _trace();
9677     if ([self respondsToSelector:@selector(setApplicationSupportsShakeToEdit:)])
9678         [self setApplicationSupportsShakeToEdit:NO];
9679
9680     [self addCydiaHost:[[NSURL URLWithString:CydiaURL(@"")] host]];
9681
9682     [NSURLCache setSharedURLCache:[[[SDURLCache alloc]
9683         initWithMemoryCapacity:524288
9684         diskCapacity:10485760
9685         diskPath:[NSString stringWithFormat:@"%@/Library/Caches/com.saurik.Cydia/SDURLCache", @"/var/root"]
9686     ] autorelease]];
9687
9688     [CYBrowserController _initialize];
9689
9690     [NSURLProtocol registerClass:[CydiaURLProtocol class]];
9691
9692     Font12_ = [[UIFont systemFontOfSize:12] retain];
9693     Font12Bold_ = [[UIFont boldSystemFontOfSize:12] retain];
9694     Font14_ = [[UIFont systemFontOfSize:14] retain];
9695     Font18Bold_ = [[UIFont boldSystemFontOfSize:18] retain];
9696     Font22Bold_ = [[UIFont boldSystemFontOfSize:22] retain];
9697
9698     essential_ = [[NSMutableArray alloc] initWithCapacity:4];
9699     broken_ = [[NSMutableArray alloc] initWithCapacity:4];
9700
9701     window_ = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
9702     [window_ orderFront:self];
9703     [window_ makeKey:self];
9704     [window_ setHidden:NO];
9705
9706     if (
9707         readlink("/Applications", NULL, 0) == -1 && errno == EINVAL ||
9708         readlink("/Library/Ringtones", NULL, 0) == -1 && errno == EINVAL ||
9709         readlink("/Library/Wallpaper", NULL, 0) == -1 && errno == EINVAL ||
9710         //readlink("/usr/bin", NULL, 0) == -1 && errno == EINVAL ||
9711         readlink("/usr/include", NULL, 0) == -1 && errno == EINVAL ||
9712         readlink("/usr/lib/pam", NULL, 0) == -1 && errno == EINVAL ||
9713         readlink("/usr/libexec", NULL, 0) == -1 && errno == EINVAL ||
9714         readlink("/usr/share", NULL, 0) == -1 && errno == EINVAL ||
9715         //readlink("/var/lib", NULL, 0) == -1 && errno == EINVAL ||
9716         false
9717     ) {
9718         [self addStashController];
9719         // XXX: this would be much cleaner as a yieldToSelector:
9720         // that way the removeStashController could happen right here inline
9721         // we also could no longer require the useless stash_ field anymore
9722         [self performSelector:@selector(stash) withObject:nil afterDelay:0];
9723         return;
9724     }
9725
9726     database_ = [Database sharedInstance];
9727     [database_ setDelegate:self];
9728
9729     [window_ setUserInteractionEnabled:NO];
9730     [self setupViewControllers];
9731
9732     emulated_ = [[CYEmulatedLoadingController alloc] initWithDatabase:database_];
9733     [window_ addSubview:[emulated_ view]];
9734
9735     [self performSelector:@selector(loadData) withObject:nil afterDelay:0];
9736 _trace();
9737 }
9738
9739 - (void) loadData {
9740 _trace();
9741     if (Role_ == nil) {
9742         [window_ setUserInteractionEnabled:YES];
9743         [self presentModalViewController:[[[SettingsController alloc] initWithDatabase:database_ delegate:self] autorelease] force:NO];
9744         return;
9745     } else {
9746         if ([emulated_ modalViewController] != nil)
9747             [emulated_ dismissModalViewControllerAnimated:YES];
9748         [window_ setUserInteractionEnabled:NO];
9749     }
9750
9751     [self reloadData];
9752     PrintTimes();
9753
9754     [self disemulate];
9755
9756     int selectedIndex = 0;
9757     NSMutableArray *items = nil;
9758
9759     bool recently = false;
9760     NSDate *closed([Metadata_ objectForKey:@"LastClosed"]);
9761     if (closed != nil) {
9762         NSTimeInterval interval([closed timeIntervalSinceNow]);
9763         // XXX: Is 15 minutes the optimal time here?
9764         if (interval <= 0 && interval > -(15*60))
9765             recently = true;
9766     }
9767
9768     items = [[Metadata_ objectForKey:@"InterfaceState"] mutableCopy];
9769     selectedIndex = [[Metadata_ objectForKey:@"InterfaceIndex"] intValue];
9770
9771     BOOL enough = YES;
9772     for (NSArray *entry in items)
9773         if ([entry count] <= 0)
9774             enough = NO;
9775
9776     if (!recently || !items || !enough) {
9777         selectedIndex = 0;
9778         items = [NSMutableArray array];
9779         [items addObject:[NSArray arrayWithObject:@"cydia://home"]];
9780         [items addObject:[NSArray arrayWithObject:@"cydia://sections"]];
9781         [items addObject:[NSArray arrayWithObject:@"cydia://changes"]];
9782         if (!IsWildcat_) {
9783             [items addObject:[NSArray arrayWithObject:@"cydia://manage"]];
9784         } else {
9785             [items addObject:[NSArray arrayWithObject:@"cydia://installed"]];
9786             [items addObject:[NSArray arrayWithObject:@"cydia://sources"]];
9787         }
9788         [items addObject:[NSArray arrayWithObject:@"cydia://search"]];
9789     }
9790
9791     [tabbar_ setSelectedIndex:selectedIndex];
9792     for (unsigned int tab = 0; tab < [[tabbar_ viewControllers] count]; tab++) {
9793         NSArray *stack = [items objectAtIndex:tab];
9794         CYNavigationController *navigation = [[tabbar_ viewControllers] objectAtIndex:tab];
9795         NSMutableArray *current = [NSMutableArray array];
9796
9797         for (unsigned int nav = 0; nav < [stack count]; nav++) {
9798             NSString *addr = [stack objectAtIndex:nav];
9799             NSURL *url = [NSURL URLWithString:addr];
9800             CYViewController *page = [self pageForURL:url forExternal:NO];
9801             if (page != nil)
9802                 [current addObject:page];
9803         }
9804
9805         [navigation setViewControllers:current];
9806     }
9807
9808     // (Try to) show the startup URL.
9809     if (starturl_ != nil) {
9810         [self openCydiaURL:starturl_ forExternal:NO];
9811         [starturl_ release];
9812         starturl_ = nil;
9813     }
9814 }
9815
9816 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item {
9817     if (item != nil && IsWildcat_) {
9818         [sheet showFromBarButtonItem:item animated:YES];
9819     } else {
9820         [sheet showInView:window_];
9821     }
9822 }
9823
9824 - (void) addProgressEvent:(CydiaProgressEvent *)event forTask:(NSString *)task {
9825     id<ProgressDelegate> progress([database_ progressDelegate] ?: [self invokeNewProgress:nil forController:nil withTitle:task]);
9826     [progress setTitle:task];
9827     [progress addProgressEvent:event];
9828 }
9829
9830 - (void) addProgressEventForTask:(NSArray *)data {
9831     CydiaProgressEvent *event([data objectAtIndex:0]);
9832     NSString *task([data count] < 2 ? nil : [data objectAtIndex:1]);
9833     [self addProgressEvent:event forTask:task];
9834 }
9835
9836 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task {
9837     [self performSelectorOnMainThread:@selector(addProgressEventForTask:) withObject:[NSArray arrayWithObjects:event, task, nil] waitUntilDone:YES];
9838 }
9839
9840 @end
9841
9842 /*IMP alloc_;
9843 id Alloc_(id self, SEL selector) {
9844     id object = alloc_(self, selector);
9845     lprintf("[%s]A-%p\n", self->isa->name, object);
9846     return object;
9847 }*/
9848
9849 /*IMP dealloc_;
9850 id Dealloc_(id self, SEL selector) {
9851     id object = dealloc_(self, selector);
9852     lprintf("[%s]D-%p\n", self->isa->name, object);
9853     return object;
9854 }*/
9855
9856 Class $WebDefaultUIKitDelegate;
9857
9858 MSHook(void, UIWebDocumentView$_setUIKitDelegate$, UIWebDocumentView *self, SEL _cmd, id delegate) {
9859     if (delegate == nil && $WebDefaultUIKitDelegate != nil)
9860         delegate = [$WebDefaultUIKitDelegate sharedUIKitDelegate];
9861     return _UIWebDocumentView$_setUIKitDelegate$(self, _cmd, delegate);
9862 }
9863
9864 static NSNumber *shouldPlayKeyboardSounds;
9865
9866 Class $UIHardware;
9867
9868 MSHook(void, UIHardware$_playSystemSound$, Class self, SEL _cmd, int sound) {
9869     switch (sound) {
9870         case 1104: // Keyboard Button Clicked
9871         case 1105: // Keyboard Delete Repeated
9872             if (shouldPlayKeyboardSounds == nil) {
9873                 NSDictionary *dict([[[NSDictionary alloc] initWithContentsOfFile:@"/var/mobile/Library/Preferences/com.apple.preferences.sounds.plist"] autorelease]);
9874                 shouldPlayKeyboardSounds = [([dict objectForKey:@"keyboard"] ?: (id) kCFBooleanTrue) retain];
9875             }
9876
9877             if (![shouldPlayKeyboardSounds boolValue])
9878                 break;
9879
9880         default:
9881             _UIHardware$_playSystemSound$(self, _cmd, sound);
9882     }
9883 }
9884
9885 Class $UIApplication;
9886
9887 MSHook(void, UIApplication$_updateApplicationAccessibility, UIApplication *self, SEL _cmd) {
9888     static BOOL initialized = NO;
9889     static BOOL started = NO;
9890
9891     NSDictionary *dict([[[NSDictionary alloc] initWithContentsOfFile:@"/var/mobile/Library/Preferences/com.apple.Accessibility.plist"] autorelease]);
9892     BOOL enabled = [[dict objectForKey:@"VoiceOverTouchEnabled"] boolValue] || [[dict objectForKey:@"VoiceOverTouchEnabledByiTunes"] boolValue];
9893
9894     if ([self respondsToSelector:@selector(_accessibilityBundlePrincipalClass)]) {
9895         id bundle = [self performSelector:@selector(_accessibilityBundlePrincipalClass)];
9896         if (![bundle respondsToSelector:@selector(_accessibilityStopServer)]) return;
9897         if (![bundle respondsToSelector:@selector(_accessibilityStartServer)]) return;
9898
9899         if (initialized && !enabled) {
9900             initialized = NO;
9901             [bundle performSelector:@selector(_accessibilityStopServer)];
9902         } else if (enabled) {
9903             initialized = YES;
9904             if (!started) {
9905                 started = YES;
9906                 [bundle performSelector:@selector(_accessibilityStartServer)];
9907             }
9908         }
9909     }
9910 }
9911
9912 int main(int argc, char *argv[]) { _pooled
9913     _trace();
9914
9915     UpdateExternalStatus(0);
9916
9917     if (Class $UIDevice = objc_getClass("UIDevice")) {
9918         UIDevice *device([$UIDevice currentDevice]);
9919         IsWildcat_ = [device respondsToSelector:@selector(isWildcat)] && [device isWildcat];
9920     } else
9921         IsWildcat_ = false;
9922
9923     UIScreen *screen([UIScreen mainScreen]);
9924     if ([screen respondsToSelector:@selector(scale)])
9925         ScreenScale_ = [screen scale];
9926     else
9927         ScreenScale_ = 1;
9928
9929     UIDevice *device([UIDevice currentDevice]);
9930     if (![device respondsToSelector:@selector(userInterfaceIdiom)])
9931         Idiom_ = @"iphone";
9932     else {
9933         UIUserInterfaceIdiom idiom([device userInterfaceIdiom]);
9934         if (idiom == UIUserInterfaceIdiomPhone)
9935             Idiom_ = @"iphone";
9936         else if (idiom == UIUserInterfaceIdiomPad)
9937             Idiom_ = @"ipad";
9938         else
9939             NSLog(@"unknown UIUserInterfaceIdiom!");
9940     }
9941
9942     CydiaHosts_ = [NSMutableSet setWithCapacity:2];
9943
9944     UI_ = CydiaURL([NSString stringWithFormat:@"ui/ios~%@", Idiom_]);
9945
9946     PackageName = reinterpret_cast<CYString &(*)(Package *, SEL)>(method_getImplementation(class_getInstanceMethod([Package class], @selector(cyname))));
9947
9948     /* Library Hacks {{{ */
9949     class_addMethod(objc_getClass("DOMNodeList"), @selector(countByEnumeratingWithState:objects:count:), (IMP) &DOMNodeList$countByEnumeratingWithState$objects$count$, "I20@0:4^{NSFastEnumerationState}8^@12I16");
9950
9951     $WebDefaultUIKitDelegate = objc_getClass("WebDefaultUIKitDelegate");
9952     Method UIWebDocumentView$_setUIKitDelegate$(class_getInstanceMethod([WebView class], @selector(_setUIKitDelegate:)));
9953     if (UIWebDocumentView$_setUIKitDelegate$ != NULL) {
9954         _UIWebDocumentView$_setUIKitDelegate$ = reinterpret_cast<void (*)(UIWebDocumentView *, SEL, id)>(method_getImplementation(UIWebDocumentView$_setUIKitDelegate$));
9955         method_setImplementation(UIWebDocumentView$_setUIKitDelegate$, reinterpret_cast<IMP>(&$UIWebDocumentView$_setUIKitDelegate$));
9956     }
9957
9958     $UIHardware = objc_getClass("UIHardware");
9959     Method UIHardware$_playSystemSound$(class_getClassMethod($UIHardware, @selector(_playSystemSound:)));
9960     if (UIHardware$_playSystemSound$ != NULL) {
9961         _UIHardware$_playSystemSound$ = reinterpret_cast<void (*)(Class, SEL, int)>(method_getImplementation(UIHardware$_playSystemSound$));
9962         method_setImplementation(UIHardware$_playSystemSound$, reinterpret_cast<IMP>(&$UIHardware$_playSystemSound$));
9963     }
9964
9965     $UIApplication = objc_getClass("UIApplication");
9966     Method UIApplication$_updateApplicationAccessibility(class_getInstanceMethod($UIApplication, @selector(_updateApplicationAccessibility)));
9967     if (UIApplication$_updateApplicationAccessibility != NULL) {
9968         _UIApplication$_updateApplicationAccessibility = reinterpret_cast<void (*)(UIApplication *, SEL)>(method_getImplementation(UIApplication$_updateApplicationAccessibility));
9969         method_setImplementation(UIApplication$_updateApplicationAccessibility, reinterpret_cast<IMP>(&$UIApplication$_updateApplicationAccessibility));
9970     }
9971     /* }}} */
9972     /* Set Locale {{{ */
9973     Locale_ = CFLocaleCopyCurrent();
9974     Languages_ = [NSLocale preferredLanguages];
9975     //CFStringRef locale(CFLocaleGetIdentifier(Locale_));
9976     //NSLog(@"%@", [Languages_ description]);
9977
9978     const char *lang;
9979     if (Languages_ == nil || [Languages_ count] == 0)
9980         // XXX: consider just setting to C and then falling through?
9981         lang = NULL;
9982     else {
9983         lang = [[Languages_ objectAtIndex:0] UTF8String];
9984         setenv("LANG", lang, true);
9985         std::setlocale(LC_ALL, lang);
9986     }
9987
9988     NSLog(@"Setting Language: %s", lang);
9989     /* }}} */
9990
9991     apr_app_initialize(&argc, const_cast<const char * const **>(&argv), NULL);
9992
9993     /* Parse Arguments {{{ */
9994     bool substrate(false);
9995
9996     if (argc != 0) {
9997         char **args(argv);
9998         int arge(1);
9999
10000         for (int argi(1); argi != argc; ++argi)
10001             if (strcmp(argv[argi], "--") == 0) {
10002                 arge = argi;
10003                 argv[argi] = argv[0];
10004                 argv += argi;
10005                 argc -= argi;
10006                 break;
10007             }
10008
10009         for (int argi(1); argi != arge; ++argi)
10010             if (strcmp(args[argi], "--substrate") == 0)
10011                 substrate = true;
10012             else
10013                 fprintf(stderr, "unknown argument: %s\n", args[argi]);
10014     }
10015     /* }}} */
10016
10017     App_ = [[NSBundle mainBundle] bundlePath];
10018     Advanced_ = YES;
10019
10020     setuid(0);
10021     setgid(0);
10022
10023     /*Method alloc = class_getClassMethod([NSObject class], @selector(alloc));
10024     alloc_ = alloc->method_imp;
10025     alloc->method_imp = (IMP) &Alloc_;*/
10026
10027     /*Method dealloc = class_getClassMethod([NSObject class], @selector(dealloc));
10028     dealloc_ = dealloc->method_imp;
10029     dealloc->method_imp = (IMP) &Dealloc_;*/
10030
10031     /* System Information {{{ */
10032     size_t size;
10033
10034     int maxproc;
10035     size = sizeof(maxproc);
10036     if (sysctlbyname("kern.maxproc", &maxproc, &size, NULL, 0) == -1)
10037         perror("sysctlbyname(\"kern.maxproc\", ?)");
10038     else if (maxproc < 64) {
10039         maxproc = 64;
10040         if (sysctlbyname("kern.maxproc", NULL, NULL, &maxproc, sizeof(maxproc)) == -1)
10041             perror("sysctlbyname(\"kern.maxproc\", #)");
10042     }
10043
10044     sysctlbyname("kern.osversion", NULL, &size, NULL, 0);
10045     char *osversion = new char[size];
10046     if (sysctlbyname("kern.osversion", osversion, &size, NULL, 0) == -1)
10047         perror("sysctlbyname(\"kern.osversion\", ?)");
10048     else
10049         System_ = [NSString stringWithUTF8String:osversion];
10050
10051     sysctlbyname("hw.machine", NULL, &size, NULL, 0);
10052     char *machine = new char[size];
10053     if (sysctlbyname("hw.machine", machine, &size, NULL, 0) == -1)
10054         perror("sysctlbyname(\"hw.machine\", ?)");
10055     else
10056         Machine_ = machine;
10057
10058     if (CFMutableDictionaryRef dict = IOServiceMatching("IOPlatformExpertDevice")) {
10059         if (io_service_t service = IOServiceGetMatchingService(kIOMasterPortDefault, dict)) {
10060             if (CFTypeRef serial = IORegistryEntryCreateCFProperty(service, CFSTR(kIOPlatformSerialNumberKey), kCFAllocatorDefault, 0)) {
10061                 SerialNumber_ = [NSString stringWithString:(NSString *)serial];
10062                 CFRelease(serial);
10063             }
10064
10065             if (CFTypeRef ecid = IORegistryEntrySearchCFProperty(service, kIODeviceTreePlane, CFSTR("unique-chip-id"), kCFAllocatorDefault, kIORegistryIterateRecursively)) {
10066                 NSData *data((NSData *) ecid);
10067                 size_t length([data length]);
10068                 uint8_t bytes[length];
10069                 [data getBytes:bytes];
10070                 char string[length * 2 + 1];
10071                 for (size_t i(0); i != length; ++i)
10072                     sprintf(string + i * 2, "%.2X", bytes[length - i - 1]);
10073                 ChipID_ = [NSString stringWithUTF8String:string];
10074                 CFRelease(ecid);
10075             }
10076
10077             IOObjectRelease(service);
10078         }
10079     }
10080
10081     UniqueID_ = [[UIDevice currentDevice] uniqueIdentifier];
10082
10083     CFStringRef (*$CTSIMSupportCopyMobileSubscriberCountryCode)(CFAllocatorRef);
10084     $CTSIMSupportCopyMobileSubscriberCountryCode = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberCountryCode"));
10085     CFStringRef mcc($CTSIMSupportCopyMobileSubscriberCountryCode == NULL ? NULL : (*$CTSIMSupportCopyMobileSubscriberCountryCode)(kCFAllocatorDefault));
10086
10087     CFStringRef (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(CFAllocatorRef);
10088     $CTSIMSupportCopyMobileSubscriberNetworkCode = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberCountryCode"));
10089     CFStringRef mnc($CTSIMSupportCopyMobileSubscriberNetworkCode == NULL ? NULL : (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(kCFAllocatorDefault));
10090
10091     if (mcc != NULL && mnc != NULL)
10092         PLMN_ = [NSString stringWithFormat:@"%@%@", mcc, mnc];
10093
10094     if (mnc != NULL)
10095         CFRelease(mnc);
10096     if (mcc != NULL)
10097         CFRelease(mcc);
10098
10099     if (NSDictionary *system = [NSDictionary dictionaryWithContentsOfFile:@"/System/Library/CoreServices/SystemVersion.plist"])
10100         Build_ = [system objectForKey:@"ProductBuildVersion"];
10101     if (NSDictionary *info = [NSDictionary dictionaryWithContentsOfFile:@"/Applications/MobileSafari.app/Info.plist"]) {
10102         Product_ = [info objectForKey:@"SafariProductVersion"];
10103         Safari_ = [info objectForKey:@"CFBundleVersion"];
10104     }
10105     /* }}} */
10106     /* Load Database {{{ */
10107     _trace();
10108     Metadata_ = [[[NSMutableDictionary alloc] initWithContentsOfFile:@"/var/lib/cydia/metadata.plist"] autorelease];
10109     _trace();
10110     SectionMap_ = [[[NSDictionary alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Sections" ofType:@"plist"]] autorelease];
10111
10112     if (Metadata_ == NULL)
10113         Metadata_ = [NSMutableDictionary dictionaryWithCapacity:2];
10114     else {
10115         Settings_ = [Metadata_ objectForKey:@"Settings"];
10116
10117         Packages_ = [Metadata_ objectForKey:@"Packages"];
10118         Sections_ = [Metadata_ objectForKey:@"Sections"];
10119         Sources_ = [Metadata_ objectForKey:@"Sources"];
10120
10121         Token_ = [Metadata_ objectForKey:@"Token"];
10122     }
10123
10124     if (Settings_ != nil)
10125         Role_ = [Settings_ objectForKey:@"Role"];
10126
10127     if (Sections_ == nil) {
10128         Sections_ = [[[NSMutableDictionary alloc] initWithCapacity:32] autorelease];
10129         [Metadata_ setObject:Sections_ forKey:@"Sections"];
10130     }
10131
10132     if (Sources_ == nil) {
10133         Sources_ = [[[NSMutableDictionary alloc] initWithCapacity:0] autorelease];
10134         [Metadata_ setObject:Sources_ forKey:@"Sources"];
10135     }
10136     /* }}} */
10137
10138     _trace();
10139     MetaFile_.Open("/var/lib/cydia/metadata.cb0");
10140     _trace();
10141
10142     if (Packages_ != nil) {
10143         bool fail(false);
10144         CFDictionaryApplyFunction((CFDictionaryRef) Packages_, &PackageImport, &fail);
10145         _trace();
10146
10147         if (!fail) {
10148             [Metadata_ removeObjectForKey:@"Packages"];
10149             Packages_ = nil;
10150             Changed_ = true;
10151         }
10152     }
10153
10154     Finishes_ = [NSArray arrayWithObjects:@"return", @"reopen", @"restart", @"reload", @"reboot", nil];
10155
10156 #define MobileSubstrate_(name) \
10157     if (substrate && access("/Library/MobileSubstrate/DynamicLibraries/" #name ".dylib", F_OK) == 0) { \
10158         void *handle(dlopen("/Library/MobileSubstrate/DynamicLibraries/" #name ".dylib", RTLD_LAZY | RTLD_GLOBAL)); \
10159         if (handle == NULL) \
10160             NSLog(@"%s", dlerror()); \
10161     }
10162
10163     MobileSubstrate_(Activator)
10164     MobileSubstrate_(libstatusbar)
10165     MobileSubstrate_(SimulatedKeyEvents)
10166     MobileSubstrate_(WinterBoard)
10167
10168     /*if (substrate && access("/Library/MobileSubstrate/MobileSubstrate.dylib", F_OK) == 0)
10169         dlopen("/Library/MobileSubstrate/MobileSubstrate.dylib", RTLD_LAZY | RTLD_GLOBAL);*/
10170
10171     int version([[NSString stringWithContentsOfFile:@"/var/lib/cydia/firmware.ver"] intValue]);
10172
10173     if (access("/tmp/.cydia.fw", F_OK) == 0) {
10174         unlink("/tmp/.cydia.fw");
10175         goto firmware;
10176     } else if (access("/User", F_OK) != 0 || version < 4) {
10177       firmware:
10178         _trace();
10179         system("/usr/libexec/cydia/firmware.sh");
10180         _trace();
10181     }
10182
10183     _assert([[NSFileManager defaultManager]
10184         createDirectoryAtPath:@"/var/cache/apt/archives/partial"
10185         withIntermediateDirectories:YES
10186         attributes:nil
10187         error:NULL
10188     ]);
10189
10190     if (access("/tmp/cydia.chk", F_OK) == 0) {
10191         if (unlink("/var/cache/apt/pkgcache.bin") == -1)
10192             _assert(errno == ENOENT);
10193         if (unlink("/var/cache/apt/srcpkgcache.bin") == -1)
10194             _assert(errno == ENOENT);
10195     }
10196
10197     /* APT Initialization {{{ */
10198     _assert(pkgInitConfig(*_config));
10199     _assert(pkgInitSystem(*_config, _system));
10200
10201     if (lang != NULL)
10202         _config->Set("APT::Acquire::Translation", lang);
10203
10204     // XXX: this timeout might be important :(
10205     //_config->Set("Acquire::http::Timeout", 15);
10206
10207     _config->Set("Acquire::http::MaxParallel", 3);
10208     /* }}} */
10209     /* Color Choices {{{ */
10210     space_ = CGColorSpaceCreateDeviceRGB();
10211
10212     Blue_.Set(space_, 0.2, 0.2, 1.0, 1.0);
10213     Blueish_.Set(space_, 0x19/255.f, 0x32/255.f, 0x50/255.f, 1.0);
10214     Black_.Set(space_, 0.0, 0.0, 0.0, 1.0);
10215     Off_.Set(space_, 0.9, 0.9, 0.9, 1.0);
10216     White_.Set(space_, 1.0, 1.0, 1.0, 1.0);
10217     Gray_.Set(space_, 0.4, 0.4, 0.4, 1.0);
10218     Green_.Set(space_, 0.0, 0.5, 0.0, 1.0);
10219     Purple_.Set(space_, 0.0, 0.0, 0.7, 1.0);
10220     Purplish_.Set(space_, 0.4, 0.4, 0.8, 1.0);
10221
10222     InstallingColor_ = [UIColor colorWithRed:0.88f green:1.00f blue:0.88f alpha:1.00f];
10223     RemovingColor_ = [UIColor colorWithRed:1.00f green:0.88f blue:0.88f alpha:1.00f];
10224     /* }}}*/
10225     /* UIKit Configuration {{{ */
10226     void (*$GSFontSetUseLegacyFontMetrics)(BOOL)(reinterpret_cast<void (*)(BOOL)>(dlsym(RTLD_DEFAULT, "GSFontSetUseLegacyFontMetrics")));
10227     if ($GSFontSetUseLegacyFontMetrics != NULL)
10228         $GSFontSetUseLegacyFontMetrics(YES);
10229
10230     // XXX: I have a feeling this was important
10231     //UIKeyboardDisableAutomaticAppearance();
10232     /* }}} */
10233
10234     Colon_ = UCLocalize("COLON_DELIMITED");
10235     Elision_ = UCLocalize("ELISION");
10236     Error_ = UCLocalize("ERROR");
10237     Warning_ = UCLocalize("WARNING");
10238
10239     _trace();
10240     int value(UIApplicationMain(argc, argv, @"Cydia", @"Cydia"));
10241
10242     CGColorSpaceRelease(space_);
10243     CFRelease(Locale_);
10244
10245     return value;
10246 }