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