MobileCydia.mm

   1 /* Cydia - iPhone UIKit Front-End for Debian APT
   2  * Copyright (C) 2008-2011  Jay Freeman (saurik)
   3 */
   4
   5 /* Modified BSD License {{{ */
   6 /*
   7  *        Redistribution and use in source and binary
   8  * forms, with or without modification, are permitted
   9  * provided that the following conditions are met:
  10  *
  11  * 1. Redistributions of source code must retain the
  12  *    above copyright notice, this list of conditions
  13  *    and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the
  15  *    above copyright notice, this list of conditions
  16  *    and the following disclaimer in the documentation
  17  *    and/or other materials provided with the
  18  *    distribution.
  19  * 3. The name of the author may not be used to endorse
  20  *    or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
  24  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
  25  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  26  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
  28  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  29  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  30  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  31  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  33  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  34  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  35  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  36  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37 */
  38 /* }}} */
  39
  40 // XXX: wtf/FastMalloc.h... wtf?
  41 #define USE_SYSTEM_MALLOC 1
  42
  43 /* #include Directives {{{ */
  44 #include "UICaboodle/UCPlatform.h"
  45 #include "UICaboodle/UCLocalize.h"
  46
  47 #include <objc/objc.h>
  48 #include <objc/runtime.h>
  49
  50 #include <CoreGraphics/CoreGraphics.h>
  51 #include <Foundation/Foundation.h>
  52
  53 #if 0
  54 #define DEPLOYMENT_TARGET_MACOSX 1
  55 #define CF_BUILDING_CF 1
  56 #include <CoreFoundation/CFInternal.h>
  57 #endif
  58
  59 #include <CoreFoundation/CFPriv.h>
  60 #include <CoreFoundation/CFUniChar.h>
  61
  62 #include <SystemConfiguration/SystemConfiguration.h>
  63
  64 #include <UIKit/UIKit.h>
  65 #include "iPhonePrivate.h"
  66
  67 #include <IOKit/IOKitLib.h>
  68
  69 #include <WebCore/WebCoreThread.h>
  70
  71 #include <algorithm>
  72 #include <iomanip>
  73 #include <sstream>
  74 #include <string>
  75
  76 #include <ext/stdio_filebuf.h>
  77
  78 #undef ABS
  79
  80 #include <apt-pkg/acquire.h>
  81 #include <apt-pkg/acquire-item.h>
  82 #include <apt-pkg/algorithms.h>
  83 #include <apt-pkg/cachefile.h>
  84 #include <apt-pkg/clean.h>
  85 #include <apt-pkg/configuration.h>
  86 #include <apt-pkg/debindexfile.h>
  87 #include <apt-pkg/debmetaindex.h>
  88 #include <apt-pkg/error.h>
  89 #include <apt-pkg/init.h>
  90 #include <apt-pkg/mmap.h>
  91 #include <apt-pkg/pkgrecords.h>
  92 #include <apt-pkg/sha1.h>
  93 #include <apt-pkg/sourcelist.h>
  94 #include <apt-pkg/sptr.h>
  95 #include <apt-pkg/strutl.h>
  96 #include <apt-pkg/tagfile.h>
  97
  98 #include <apr-1/apr_pools.h>
  99
 100 #include <sys/types.h>
 101 #include <sys/stat.h>
 102 #include <sys/sysctl.h>
 103 #include <sys/param.h>
 104 #include <sys/mount.h>
 105 #include <sys/reboot.h>
 106
 107 #include <fcntl.h>
 108 #include <notify.h>
 109 #include <dlfcn.h>
 110
 111 extern "C" {
 112 #include <mach-o/nlist.h>
 113 }
 114
 115 #include <cstdio>
 116 #include <cstdlib>
 117 #include <cstring>
 118
 119 #include <errno.h>
 120 #include <pcre.h>
 121
 122 #include <Cytore.hpp>
 123
 124 #include "UICaboodle/BrowserView.h"
 125 #include "SDURLCache/SDURLCache.h"
 126
 127 #include "substrate.h"
 128
 129 #include "Version.h"
 130 /* }}} */
 131
 132 /* Profiler {{{ */
 133 struct timeval _ltv;
 134 bool _itv;
 135
 136 #define _timestamp ({ \
 137     struct timeval tv; \
 138     gettimeofday(&tv, NULL); \
 139     tv.tv_sec * 1000000 + tv.tv_usec; \
 140 })
 141
 142 typedef std::vector<class ProfileTime *> TimeList;
 143 TimeList times_;
 144
 145 class ProfileTime {
 146   private:
 147     const char *name_;
 148     uint64_t total_;
 149     uint64_t count_;
 150
 151   public:
 152     ProfileTime(const char *name) :
 153         name_(name),
 154         total_(0)
 155     {
 156         times_.push_back(this);
 157     }
 158
 159     void AddTime(uint64_t time) {
 160         total_ += time;
 161         ++count_;
 162     }
 163
 164     void Print() {
 165         if (total_ != 0)
 166             std::cerr << std::setw(5) << count_ << ", " << std::setw(7) << total_ << " : " << name_ << std::endl;
 167         total_ = 0;
 168         count_ = 0;
 169     }
 170 };
 171
 172 class ProfileTimer {
 173   private:
 174     ProfileTime &time_;
 175     uint64_t start_;
 176
 177   public:
 178     ProfileTimer(ProfileTime &time) :
 179         time_(time),
 180         start_(_timestamp)
 181     {
 182     }
 183
 184     ~ProfileTimer() {
 185         time_.AddTime(_timestamp - start_);
 186     }
 187 };
 188
 189 void PrintTimes() {
 190     for (TimeList::const_iterator i(times_.begin()); i != times_.end(); ++i)
 191         (*i)->Print();
 192     std::cerr << "========" << std::endl;
 193 }
 194
 195 #define _profile(name) { \
 196     static ProfileTime name(#name); \
 197     ProfileTimer _ ## name(name);
 198
 199 #define _end }
 200 /* }}} */
 201
 202 #define _pooled _H<NSAutoreleasePool> _pool([[NSAutoreleasePool alloc] init], true);
 203
 204 #define CYPoolStart() \
 205     NSAutoreleasePool *_pool([[NSAutoreleasePool alloc] init]); \
 206     do
 207 #define CYPoolEnd() \
 208     while (false); \
 209     [_pool release];
 210
 211 // Hash Functions/Structures {{{
 212 extern "C" uint32_t hashlittle(const void *key, size_t length, uint32_t initval = 0);
 213
 214 union SplitHash {
 215     uint32_t u32;
 216     uint16_t u16[2];
 217 };
 218 // }}}
 219
 220 static const NSUInteger UIViewAutoresizingFlexibleBoth(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight);
 221
 222 static _finline NSString *CydiaURL(NSString *path) {
 223     char page[26];
 224     page[0] = 'h'; page[1] = 't'; page[2] = 't'; page[3] = 'p'; page[4] = 's';
 225     page[5] = ':'; page[6] = '/'; page[7] = '/'; page[8] = 'c'; page[9] = 'y';
 226     page[10] = 'd'; page[11] = 'i'; page[12] = 'a'; page[13] = '.'; page[14] = 's';
 227     page[15] = 'a'; page[16] = 'u'; page[17] = 'r'; page[18] = 'i'; page[19] = 'k';
 228     page[20] = '.'; page[21] = 'c'; page[22] = 'o'; page[23] = 'm'; page[24] = '/';
 229     page[25] = '\0';
 230     return [[NSString stringWithUTF8String:page] stringByAppendingString:path];
 231 }
 232
 233 static _finline void UpdateExternalStatus(uint64_t newStatus) {
 234     int notify_token;
 235     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
 236         notify_set_state(notify_token, newStatus);
 237         notify_cancel(notify_token);
 238     }
 239     notify_post("com.saurik.Cydia.status");
 240 }
 241
 242 /* [NSObject yieldToSelector:(withObject:)] {{{*/
 243 @interface NSObject (Cydia)
 244 - (id) yieldToSelector:(SEL)selector withObject:(id)object;
 245 - (id) yieldToSelector:(SEL)selector;
 246 @end
 247
 248 @implementation NSObject (Cydia)
 249
 250 - (void) doNothing {
 251 }
 252
 253 - (void) _yieldToContext:(NSMutableArray *)context { _pooled
 254     SEL selector(reinterpret_cast<SEL>([[context objectAtIndex:0] pointerValue]));
 255     id object([[context objectAtIndex:1] nonretainedObjectValue]);
 256     volatile bool &stopped(*reinterpret_cast<bool *>([[context objectAtIndex:2] pointerValue]));
 257
 258     /* XXX: deal with exceptions */
 259     id value([self performSelector:selector withObject:object]);
 260
 261     NSMethodSignature *signature([self methodSignatureForSelector:selector]);
 262     [context removeAllObjects];
 263     if ([signature methodReturnLength] != 0 && value != nil)
 264         [context addObject:value];
 265
 266     stopped = true;
 267
 268     [self
 269         performSelectorOnMainThread:@selector(doNothing)
 270         withObject:nil
 271         waitUntilDone:NO
 272     ];
 273 }
 274
 275 - (id) yieldToSelector:(SEL)selector withObject:(id)object {
 276     volatile bool stopped(false);
 277
 278     NSMutableArray *context([NSMutableArray arrayWithObjects:
 279         [NSValue valueWithPointer:selector],
 280         [NSValue valueWithNonretainedObject:object],
 281         [NSValue valueWithPointer:const_cast<bool *>(&stopped)],
 282     nil]);
 283
 284     NSThread *thread([[[NSThread alloc]
 285         initWithTarget:self
 286         selector:@selector(_yieldToContext:)
 287         object:context
 288     ] autorelease]);
 289
 290     [thread start];
 291
 292     NSRunLoop *loop([NSRunLoop currentRunLoop]);
 293     NSDate *future([NSDate distantFuture]);
 294     NSString *mode([loop currentMode] ?: NSDefaultRunLoopMode);
 295
 296     while (!stopped && [loop runMode:mode beforeDate:future]);
 297
 298     return [context count] == 0 ? nil : [context objectAtIndex:0];
 299 }
 300
 301 - (id) yieldToSelector:(SEL)selector {
 302     return [self yieldToSelector:selector withObject:nil];
 303 }
 304
 305 @end
 306 /* }}} */
 307
 308 /* Cydia Alert View {{{ */
 309 @interface CYAlertView : UIAlertView {
 310     unsigned button_;
 311 }
 312
 313 - (int) yieldToPopupAlertAnimated:(BOOL)animated;
 314
 315 @end
 316
 317 @implementation CYAlertView
 318
 319 - (id) initWithTitle:(NSString *)title buttons:(NSArray *)buttons defaultButtonIndex:(int)index {
 320     if ((self = [super init]) != nil) {
 321         [self setTitle:title];
 322         [self setDelegate:self];
 323         for (NSString *button in buttons) [self addButtonWithTitle:button];
 324         [self setCancelButtonIndex:index];
 325     } return self;
 326 }
 327
 328 - (void) _updateFrameForDisplay {
 329     [super _updateFrameForDisplay];
 330     if ([self cancelButtonIndex] == -1) {
 331         NSArray *buttons = [self buttons];
 332         if ([buttons count]) {
 333             UIImage *background = [[buttons objectAtIndex:0] backgroundForState:0];
 334             for (UIThreePartButton *button in buttons)
 335                 [button setBackground:background forState:0];
 336         }
 337     }
 338 }
 339
 340 - (void) alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {
 341     button_ = buttonIndex + 1;
 342 }
 343
 344 - (void) dismiss {
 345     [self dismissWithClickedButtonIndex:-1 animated:YES];
 346 }
 347
 348 - (int) yieldToPopupAlertAnimated:(BOOL)animated {
 349     [self setRunsModal:YES];
 350     button_ = 0;
 351     [self show];
 352     return button_;
 353 }
 354
 355 @end
 356 /* }}} */
 357
 358 /* NSForcedOrderingSearch doesn't work on the iPhone */
 359 static const NSStringCompareOptions MatchCompareOptions_ = NSLiteralSearch | NSCaseInsensitiveSearch;
 360 static const NSStringCompareOptions LaxCompareOptions_ = NSNumericSearch | NSDiacriticInsensitiveSearch | NSWidthInsensitiveSearch | NSCaseInsensitiveSearch;
 361 static const CFStringCompareFlags LaxCompareFlags_ = kCFCompareCaseInsensitive | kCFCompareNonliteral | kCFCompareLocalized | kCFCompareNumerically | kCFCompareWidthInsensitive | kCFCompareForcedOrdering;
 362
 363 #define lprintf(args...) fprintf(stderr, args)
 364
 365 #define ForRelease 1
 366 #define TraceLogging (1 && !ForRelease)
 367 #define HistogramInsertionSort (!ForRelease ? 0 : 0)
 368 #define ProfileTimes (0 && !ForRelease)
 369 #define ForSaurik (0 && !ForRelease)
 370 #define LogBrowser (0 && !ForRelease)
 371 #define TrackResize (0 && !ForRelease)
 372 #define ManualRefresh (1 && !ForRelease)
 373 #define ShowInternals (0 && !ForRelease)
 374 #define AlwaysReload (0 && !ForRelease)
 375 #define TryIndexedCollation (0 && !ForRelease)
 376
 377 #if !TraceLogging
 378 #undef _trace
 379 #define _trace(args...)
 380 #endif
 381
 382 #if !ProfileTimes
 383 #undef _profile
 384 #define _profile(name) {
 385 #undef _end
 386 #define _end }
 387 #define PrintTimes() do {} while (false)
 388 #endif
 389
 390 /* Radix Sort {{{ */
 391 typedef uint32_t (*SKRadixFunction)(id, void *);
 392
 393 @interface NSMutableArray (Radix)
 394 - (void) radixSortUsingFunction:(SKRadixFunction)function withContext:(void *)argument;
 395 @end
 396
 397 struct RadixItem_ {
 398     size_t index;
 399     uint32_t key;
 400 };
 401
 402 @implementation NSMutableArray (Radix)
 403
 404 - (void) radixSortUsingFunction:(SKRadixFunction)function withContext:(void *)argument {
 405     size_t count([self count]);
 406     struct RadixItem_ *swap(new RadixItem_[count * 2]);
 407
 408     for (size_t i(0); i != count; ++i) {
 409         RadixItem_ &item(swap[i]);
 410         item.index = i;
 411
 412         id object([self objectAtIndex:i]);
 413         item.key = function(object, argument);
 414     }
 415
 416     struct RadixItem_ *lhs(swap), *rhs(swap + count);
 417
 418     static const size_t width = 32;
 419     static const size_t bits = 11;
 420     static const size_t slots = 1 << bits;
 421     static const size_t passes = (width + (bits - 1)) / bits;
 422
 423     size_t *hist(new size_t[slots]);
 424
 425     for (size_t pass(0); pass != passes; ++pass) {
 426         memset(hist, 0, sizeof(size_t) * slots);
 427
 428         for (size_t i(0); i != count; ++i) {
 429             uint32_t key(lhs[i].key);
 430             key >>= pass * bits;
 431             key &= _not(uint32_t) >> width - bits;
 432             ++hist[key];
 433         }
 434
 435         size_t offset(0);
 436         for (size_t i(0); i != slots; ++i) {
 437             size_t local(offset);
 438             offset += hist[i];
 439             hist[i] = local;
 440         }
 441
 442         for (size_t i(0); i != count; ++i) {
 443             uint32_t key(lhs[i].key);
 444             key >>= pass * bits;
 445             key &= _not(uint32_t) >> width - bits;
 446             rhs[hist[key]++] = lhs[i];
 447         }
 448
 449         RadixItem_ *tmp(lhs);
 450         lhs = rhs;
 451         rhs = tmp;
 452     }
 453
 454     delete [] hist;
 455
 456     const void **values(new const void *[count]);
 457     for (size_t i(0); i != count; ++i)
 458         values[i] = [self objectAtIndex:lhs[i].index];
 459     CFArrayReplaceValues((CFMutableArrayRef) self, CFRangeMake(0, count), values, count);
 460     delete [] values;
 461
 462     delete [] swap;
 463 }
 464
 465 @end
 466 /* }}} */
 467 /* Insertion Sort {{{ */
 468
 469 CFIndex SKBSearch_(const void *element, CFIndex elementSize, const void *list, CFIndex count, CFComparatorFunction comparator, void *context) {
 470     const char *ptr = (const char *)list;
 471     while (0 < count) {
 472         CFIndex half = count / 2;
 473         const char *probe = ptr + elementSize * half;
 474         CFComparisonResult cr = comparator(element, probe, context);
 475     if (0 == cr) return (probe - (const char *)list) / elementSize;
 476         ptr = (cr < 0) ? ptr : probe + elementSize;
 477         count = (cr < 0) ? half : (half + (count & 1) - 1);
 478     }
 479     return (ptr - (const char *)list) / elementSize;
 480 }
 481
 482 CFIndex CFBSearch_(const void *element, CFIndex elementSize, const void *list, CFIndex count, CFComparatorFunction comparator, void *context) {
 483     const char *ptr = (const char *)list;
 484     while (0 < count) {
 485         CFIndex half = count / 2;
 486         const char *probe = ptr + elementSize * half;
 487         CFComparisonResult cr = comparator(element, probe, context);
 488     if (0 == cr) return (probe - (const char *)list) / elementSize;
 489         ptr = (cr < 0) ? ptr : probe + elementSize;
 490         count = (cr < 0) ? half : (half + (count & 1) - 1);
 491     }
 492     return (ptr - (const char *)list) / elementSize;
 493 }
 494
 495 void CFArrayInsertionSortValues(CFMutableArrayRef array, CFRange range, CFComparatorFunction comparator, void *context) {
 496     if (range.length == 0)
 497         return;
 498     const void **values(new const void *[range.length]);
 499     CFArrayGetValues(array, range, values);
 500
 501 #if HistogramInsertionSort > 0
 502     uint32_t total(0), *offsets(new uint32_t[range.length]);
 503 #endif
 504
 505     for (CFIndex index(1); index != range.length; ++index) {
 506         const void *value(values[index]);
 507         //CFIndex correct(SKBSearch_(&value, sizeof(const void *), values, index, comparator, context));
 508         CFIndex correct(index);
 509         while (comparator(value, values[correct - 1], context) == kCFCompareLessThan) {
 510 #if HistogramInsertionSort > 1
 511             NSLog(@"%@ < %@", value, values[correct - 1]);
 512 #endif
 513             if (--correct == 0)
 514                 break;
 515         }
 516         if (correct != index) {
 517             size_t offset(index - correct);
 518 #if HistogramInsertionSort
 519             total += offset;
 520             ++offsets[offset];
 521             if (offset > 10)
 522                 NSLog(@"Heavy Insertion Displacement: %u = %@", offset, value);
 523 #endif
 524             memmove(values + correct + 1, values + correct, sizeof(const void *) * offset);
 525             values[correct] = value;
 526         }
 527     }
 528
 529     CFArrayReplaceValues(array, range, values, range.length);
 530     delete [] values;
 531
 532 #if HistogramInsertionSort > 0
 533     for (CFIndex index(0); index != range.length; ++index)
 534         if (offsets[index] != 0)
 535             NSLog(@"Insertion Displacement [%u]: %u", index, offsets[index]);
 536     NSLog(@"Average Insertion Displacement: %f", double(total) / range.length);
 537     delete [] offsets;
 538 #endif
 539 }
 540
 541 /* }}} */
 542
 543 /* Apple Bug Fixes {{{ */
 544 @implementation UIWebDocumentView (Cydia)
 545
 546 - (void) _setScrollerOffset:(CGPoint)offset {
 547     UIScroller *scroller([self _scroller]);
 548
 549     CGSize size([scroller contentSize]);
 550     CGSize bounds([scroller bounds].size);
 551
 552     CGPoint max;
 553     max.x = size.width - bounds.width;
 554     max.y = size.height - bounds.height;
 555
 556     // wtf Apple?!
 557     if (max.x < 0)
 558         max.x = 0;
 559     if (max.y < 0)
 560         max.y = 0;
 561
 562     offset.x = offset.x < 0 ? 0 : offset.x > max.x ? max.x : offset.x;
 563     offset.y = offset.y < 0 ? 0 : offset.y > max.y ? max.y : offset.y;
 564
 565     [scroller setOffset:offset];
 566 }
 567
 568 @end
 569 /* }}} */
 570
 571 @interface NSInvocation (Cydia)
 572 + (NSInvocation *) invocationWithSelector:(SEL)selector forTarget:(id)target;
 573 @end
 574
 575 @implementation NSInvocation (Cydia)
 576
 577 + (NSInvocation *) invocationWithSelector:(SEL)selector forTarget:(id)target {
 578     NSInvocation *invocation([NSInvocation invocationWithMethodSignature:[target methodSignatureForSelector:selector]]);
 579     [invocation setTarget:target];
 580     [invocation setSelector:selector];
 581     return invocation;
 582 }
 583
 584 @end
 585
 586 @implementation WebScriptObject (NSFastEnumeration)
 587
 588 - (NSUInteger) countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)objects count:(NSUInteger)count {
 589     size_t length([self count] - state->state);
 590     if (length <= 0)
 591         return 0;
 592     else if (length > count)
 593         length = count;
 594     for (size_t i(0); i != length; ++i)
 595         objects[i] = [self objectAtIndex:state->state++];
 596     state->itemsPtr = objects;
 597     state->mutationsPtr = (unsigned long *) self;
 598     return length;
 599 }
 600
 601 @end
 602
 603 NSUInteger DOMNodeList$countByEnumeratingWithState$objects$count$(DOMNodeList *self, SEL sel, NSFastEnumerationState *state, id *objects, NSUInteger count) {
 604     size_t length([self length] - state->state);
 605     if (length <= 0)
 606         return 0;
 607     else if (length > count)
 608         length = count;
 609     for (size_t i(0); i != length; ++i)
 610         objects[i] = [self item:state->state++];
 611     state->itemsPtr = objects;
 612     state->mutationsPtr = (unsigned long *) self;
 613     return length;
 614 }
 615
 616 /* Cydia NSString Additions {{{ */
 617 @interface NSString (Cydia)
 618 + (NSString *) stringWithUTF8BytesNoCopy:(const char *)bytes length:(int)length;
 619 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length withZone:(NSZone *)zone inPool:(apr_pool_t *)pool;
 620 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length;
 621 - (NSComparisonResult) compareByPath:(NSString *)other;
 622 - (NSString *) stringByCachingURLWithCurrentCDN;
 623 - (NSString *) stringByAddingPercentEscapesIncludingReserved;
 624 @end
 625
 626 @implementation NSString (Cydia)
 627
 628 + (NSString *) stringWithUTF8BytesNoCopy:(const char *)bytes length:(int)length {
 629     return [[[NSString alloc] initWithBytesNoCopy:const_cast<char *>(bytes) length:length encoding:NSUTF8StringEncoding freeWhenDone:NO] autorelease];
 630 }
 631
 632 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length withZone:(NSZone *)zone inPool:(apr_pool_t *)pool {
 633     char *data(reinterpret_cast<char *>(apr_palloc(pool, length)));
 634     memcpy(data, bytes, length);
 635     return [[[NSString allocWithZone:zone] initWithBytesNoCopy:data length:length encoding:NSUTF8StringEncoding freeWhenDone:NO] autorelease];
 636 }
 637
 638 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length {
 639     return [[[NSString alloc] initWithBytes:bytes length:length encoding:NSUTF8StringEncoding] autorelease];
 640 }
 641
 642 - (NSComparisonResult) compareByPath:(NSString *)other {
 643     NSString *prefix = [self commonPrefixWithString:other options:0];
 644     size_t length = [prefix length];
 645
 646     NSRange lrange = NSMakeRange(length, [self length] - length);
 647     NSRange rrange = NSMakeRange(length, [other length] - length);
 648
 649     lrange = [self rangeOfString:@"/" options:0 range:lrange];
 650     rrange = [other rangeOfString:@"/" options:0 range:rrange];
 651
 652     NSComparisonResult value;
 653
 654     if (lrange.location == NSNotFound && rrange.location == NSNotFound)
 655         value = NSOrderedSame;
 656     else if (lrange.location == NSNotFound)
 657         value = NSOrderedAscending;
 658     else if (rrange.location == NSNotFound)
 659         value = NSOrderedDescending;
 660     else
 661         value = NSOrderedSame;
 662
 663     NSString *lpath = lrange.location == NSNotFound ? [self substringFromIndex:length] :
 664         [self substringWithRange:NSMakeRange(length, lrange.location - length)];
 665     NSString *rpath = rrange.location == NSNotFound ? [other substringFromIndex:length] :
 666         [other substringWithRange:NSMakeRange(length, rrange.location - length)];
 667
 668     NSComparisonResult result = [lpath compare:rpath];
 669     return result == NSOrderedSame ? value : result;
 670 }
 671
 672 - (NSString *) stringByCachingURLWithCurrentCDN {
 673     return [self
 674         stringByReplacingOccurrencesOfString:@"://cydia.saurik.com/"
 675         withString:@"://cache.cydia.saurik.com/"
 676     ];
 677 }
 678
 679 - (NSString *) stringByAddingPercentEscapesIncludingReserved {
 680     return [(id)CFURLCreateStringByAddingPercentEscapes(
 681         kCFAllocatorDefault,
 682         (CFStringRef) self,
 683         NULL,
 684         CFSTR(";/?:@&=+$,"),
 685         kCFStringEncodingUTF8
 686     ) autorelease];
 687 }
 688
 689 @end
 690 /* }}} */
 691
 692 /* C++ NSString Wrapper Cache {{{ */
 693 static _finline CFStringRef CYStringCreate(const char *data, size_t size) {
 694     return size == 0 ? NULL :
 695         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingUTF8, NO, kCFAllocatorNull) ?:
 696         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingISOLatin1, NO, kCFAllocatorNull);
 697 }
 698
 699 static _finline CFStringRef CYStringCreate(const char *data) {
 700     return CYStringCreate(data, strlen(data));
 701 }
 702
 703 class CYString {
 704   private:
 705     char *data_;
 706     size_t size_;
 707     CFStringRef cache_;
 708
 709     _finline void clear_() {
 710         if (cache_ != NULL) {
 711             CFRelease(cache_);
 712             cache_ = NULL;
 713         }
 714     }
 715
 716   public:
 717     _finline bool empty() const {
 718         return size_ == 0;
 719     }
 720
 721     _finline size_t size() const {
 722         return size_;
 723     }
 724
 725     _finline char *data() const {
 726         return data_;
 727     }
 728
 729     _finline void clear() {
 730         size_ = 0;
 731         clear_();
 732     }
 733
 734     _finline CYString() :
 735         data_(0),
 736         size_(0),
 737         cache_(NULL)
 738     {
 739     }
 740
 741     _finline ~CYString() {
 742         clear_();
 743     }
 744
 745     void operator =(const CYString &rhs) {
 746         data_ = rhs.data_;
 747         size_ = rhs.size_;
 748
 749         if (rhs.cache_ == nil)
 750             cache_ = NULL;
 751         else
 752             cache_ = reinterpret_cast<CFStringRef>(CFRetain(rhs.cache_));
 753     }
 754
 755     void copy(apr_pool_t *pool) {
 756         char *temp(reinterpret_cast<char *>(apr_palloc(pool, size_ + 1)));
 757         memcpy(temp, data_, size_);
 758         temp[size_] = '\0';
 759         data_ = temp;
 760     }
 761
 762     void set(apr_pool_t *pool, const char *data, size_t size) {
 763         if (size == 0)
 764             clear();
 765         else {
 766             clear_();
 767
 768             data_ = const_cast<char *>(data);
 769             size_ = size;
 770
 771             if (pool != NULL)
 772                 copy(pool);
 773         }
 774     }
 775
 776     _finline void set(apr_pool_t *pool, const char *data) {
 777         set(pool, data, data == NULL ? 0 : strlen(data));
 778     }
 779
 780     _finline void set(apr_pool_t *pool, const std::string &rhs) {
 781         set(pool, rhs.data(), rhs.size());
 782     }
 783
 784     bool operator ==(const CYString &rhs) const {
 785         return size_ == rhs.size_ && memcmp(data_, rhs.data_, size_) == 0;
 786     }
 787
 788     _finline operator CFStringRef() {
 789         if (cache_ == NULL)
 790             cache_ = CYStringCreate(data_, size_);
 791         return cache_;
 792     }
 793
 794     _finline operator id() {
 795         return (NSString *) static_cast<CFStringRef>(*this);
 796     }
 797
 798     _finline operator const char *() {
 799         return reinterpret_cast<const char *>(data_);
 800     }
 801 };
 802 /* }}} */
 803 /* C++ NSString Algorithm Adapters {{{ */
 804 extern "C" {
 805     CF_EXPORT CFHashCode CFStringHashNSString(CFStringRef str);
 806 }
 807
 808 struct NSStringMapHash :
 809     std::unary_function<NSString *, size_t>
 810 {
 811     _finline size_t operator ()(NSString *value) const {
 812         return CFStringHashNSString((CFStringRef) value);
 813     }
 814 };
 815
 816 struct NSStringMapLess :
 817     std::binary_function<NSString *, NSString *, bool>
 818 {
 819     _finline bool operator ()(NSString *lhs, NSString *rhs) const {
 820         return [lhs compare:rhs] == NSOrderedAscending;
 821     }
 822 };
 823
 824 struct NSStringMapEqual :
 825     std::binary_function<NSString *, NSString *, bool>
 826 {
 827     _finline bool operator ()(NSString *lhs, NSString *rhs) const {
 828         return CFStringCompare((CFStringRef) lhs, (CFStringRef) rhs, 0) == kCFCompareEqualTo;
 829         //CFEqual((CFTypeRef) lhs, (CFTypeRef) rhs);
 830         //[lhs isEqualToString:rhs];
 831     }
 832 };
 833 /* }}} */
 834
 835 /* Perl-Compatible RegEx {{{ */
 836 class Pcre {
 837   private:
 838     pcre *code_;
 839     pcre_extra *study_;
 840     int capture_;
 841     int *matches_;
 842     const char *data_;
 843
 844   public:
 845     Pcre(const char *regex) :
 846         study_(NULL)
 847     {
 848         const char *error;
 849         int offset;
 850         code_ = pcre_compile(regex, 0, &error, &offset, NULL);
 851
 852         if (code_ == NULL) {
 853             lprintf("%d:%s\n", offset, error);
 854             _assert(false);
 855         }
 856
 857         pcre_fullinfo(code_, study_, PCRE_INFO_CAPTURECOUNT, &capture_);
 858         matches_ = new int[(capture_ + 1) * 3];
 859     }
 860
 861     ~Pcre() {
 862         pcre_free(code_);
 863         delete matches_;
 864     }
 865
 866     NSString *operator [](size_t match) {
 867         return [NSString stringWithUTF8Bytes:(data_ + matches_[match * 2]) length:(matches_[match * 2 + 1] - matches_[match * 2])];
 868     }
 869
 870     bool operator ()(NSString *data) {
 871         // XXX: length is for characters, not for bytes
 872         return operator ()([data UTF8String], [data length]);
 873     }
 874
 875     bool operator ()(const char *data, size_t size) {
 876         data_ = data;
 877         return pcre_exec(code_, study_, data, size, 0, 0, matches_, (capture_ + 1) * 3) >= 0;
 878     }
 879 };
 880 /* }}} */
 881 /* Mime Addresses {{{ */
 882 @interface Address : NSObject {
 883     NSString *name_;
 884     NSString *address_;
 885 }
 886
 887 - (NSString *) name;
 888 - (NSString *) address;
 889
 890 - (void) setAddress:(NSString *)address;
 891
 892 + (Address *) addressWithString:(NSString *)string;
 893 - (Address *) initWithString:(NSString *)string;
 894
 895 @end
 896
 897 @implementation Address
 898
 899 - (void) dealloc {
 900     [name_ release];
 901     if (address_ != nil)
 902         [address_ release];
 903     [super dealloc];
 904 }
 905
 906 - (NSString *) name {
 907     return name_;
 908 }
 909
 910 - (NSString *) address {
 911     return address_;
 912 }
 913
 914 - (void) setAddress:(NSString *)address {
 915     if (address_ != nil)
 916         [address_ autorelease];
 917     if (address == nil)
 918         address_ = nil;
 919     else
 920         address_ = [address retain];
 921 }
 922
 923 + (Address *) addressWithString:(NSString *)string {
 924     return [[[Address alloc] initWithString:string] autorelease];
 925 }
 926
 927 + (NSArray *) _attributeKeys {
 928     return [NSArray arrayWithObjects:
 929         @"address",
 930         @"name",
 931     nil];
 932 }
 933
 934 - (NSArray *) attributeKeys {
 935     return [[self class] _attributeKeys];
 936 }
 937
 938 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
 939     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
 940 }
 941
 942 - (Address *) initWithString:(NSString *)string {
 943     if ((self = [super init]) != nil) {
 944         const char *data = [string UTF8String];
 945         size_t size = [string length];
 946
 947         static Pcre address_r("^\"?(.*)\"? <([^>]*)>$");
 948
 949         if (address_r(data, size)) {
 950             name_ = [address_r[1] retain];
 951             address_ = [address_r[2] retain];
 952         } else {
 953             name_ = [string retain];
 954             address_ = nil;
 955         }
 956     } return self;
 957 }
 958
 959 @end
 960 /* }}} */
 961 /* CoreGraphics Primitives {{{ */
 962 class CYColor {
 963   private:
 964     CGColorRef color_;
 965
 966     static CGColorRef Create_(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
 967         CGFloat color[] = {red, green, blue, alpha};
 968         return CGColorCreate(space, color);
 969     }
 970
 971   public:
 972     CYColor() :
 973         color_(NULL)
 974     {
 975     }
 976
 977     CYColor(CGColorSpaceRef space, float red, float green, float blue, float alpha) :
 978         color_(Create_(space, red, green, blue, alpha))
 979     {
 980         Set(space, red, green, blue, alpha);
 981     }
 982
 983     void Clear() {
 984         if (color_ != NULL)
 985             CGColorRelease(color_);
 986     }
 987
 988     ~CYColor() {
 989         Clear();
 990     }
 991
 992     void Set(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
 993         Clear();
 994         color_ = Create_(space, red, green, blue, alpha);
 995     }
 996
 997     operator CGColorRef() {
 998         return color_;
 999     }
1000 };
1001 /* }}} */
1002
1003 /* Random Global Variables {{{ */
1004 static const int PulseInterval_ = 50000;
1005
1006 static const NSString *UI_;
1007
1008 static int Finish_;
1009 static bool RestartSubstrate_;
1010 static NSArray *Finishes_;
1011
1012 #define SpringBoard_ "/System/Library/LaunchDaemons/com.apple.SpringBoard.plist"
1013 #define NotifyConfig_ "/etc/notify.conf"
1014
1015 static bool Queuing_;
1016
1017 static CYColor Blue_;
1018 static CYColor Blueish_;
1019 static CYColor Black_;
1020 static CYColor Off_;
1021 static CYColor White_;
1022 static CYColor Gray_;
1023 static CYColor Green_;
1024 static CYColor Purple_;
1025 static CYColor Purplish_;
1026
1027 static UIColor *InstallingColor_;
1028 static UIColor *RemovingColor_;
1029
1030 static NSString *App_;
1031
1032 static BOOL Advanced_;
1033 static BOOL Ignored_;
1034
1035 static UIFont *Font12_;
1036 static UIFont *Font12Bold_;
1037 static UIFont *Font14_;
1038 static UIFont *Font18Bold_;
1039 static UIFont *Font22Bold_;
1040
1041 static const char *Machine_ = NULL;
1042 static NSString *System_ = nil;
1043 static NSString *SerialNumber_ = nil;
1044 static NSString *ChipID_ = nil;
1045 static _H<NSString> Token_;
1046 static NSString *UniqueID_ = nil;
1047 static NSString *PLMN_ = nil;
1048 static NSString *Build_ = nil;
1049 static NSString *Product_ = nil;
1050 static NSString *Safari_ = nil;
1051
1052 static CFLocaleRef Locale_;
1053 static NSArray *Languages_;
1054 static CGColorSpaceRef space_;
1055
1056 static NSDictionary *SectionMap_;
1057 static NSMutableDictionary *Metadata_;
1058 static _transient NSMutableDictionary *Settings_;
1059 static _transient NSString *Role_;
1060 static _transient NSMutableDictionary *Packages_;
1061 static _transient NSMutableDictionary *Sections_;
1062 static _transient NSMutableDictionary *Sources_;
1063 static bool Changed_;
1064 static time_t now_;
1065
1066 bool IsWildcat_;
1067 static CGFloat ScreenScale_;
1068 static NSString *Idiom_;
1069
1070 static NSSet *CydiaHosts_;
1071 /* }}} */
1072
1073 /* Display Helpers {{{ */
1074 inline float Interpolate(float begin, float end, float fraction) {
1075     return (end - begin) * fraction + begin;
1076 }
1077
1078 static _finline const char *StripVersion_(const char *version) {
1079     const char *colon(strchr(version, ':'));
1080     return colon == NULL ? version : colon + 1;
1081 }
1082
1083 NSString *LocalizeSection(NSString *section) {
1084     static Pcre title_r("^(.*?) \\((.*)\\)$");
1085     if (title_r(section)) {
1086         NSString *parent(title_r[1]);
1087         NSString *child(title_r[2]);
1088
1089         return [NSString stringWithFormat:UCLocalize("PARENTHETICAL"),
1090             LocalizeSection(parent),
1091             LocalizeSection(child)
1092         ];
1093     }
1094
1095     return [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
1096 }
1097
1098 NSString *Simplify(NSString *title) {
1099     const char *data = [title UTF8String];
1100     size_t size = [title length];
1101
1102     static Pcre square_r("^\\[(.*)\\]$");
1103     if (square_r(data, size))
1104         return Simplify(square_r[1]);
1105
1106     static Pcre paren_r("^\\((.*)\\)$");
1107     if (paren_r(data, size))
1108         return Simplify(paren_r[1]);
1109
1110     static Pcre title_r("^(.*?) \\((.*)\\)$");
1111     if (title_r(data, size))
1112         return Simplify(title_r[1]);
1113
1114     return title;
1115 }
1116 /* }}} */
1117
1118 NSString *GetLastUpdate() {
1119     NSDate *update = [Metadata_ objectForKey:@"LastUpdate"];
1120
1121     if (update == nil)
1122         return UCLocalize("NEVER_OR_UNKNOWN");
1123
1124     CFDateFormatterRef formatter = CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle);
1125     CFStringRef formatted = CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) update);
1126
1127     CFRelease(formatter);
1128
1129     return [(NSString *) formatted autorelease];
1130 }
1131
1132 bool isSectionVisible(NSString *section) {
1133     NSDictionary *metadata([Sections_ objectForKey:(section ?: @"")]);
1134     NSNumber *hidden(metadata == nil ? nil : [metadata objectForKey:@"Hidden"]);
1135     return hidden == nil || ![hidden boolValue];
1136 }
1137
1138 @class Cydia;
1139
1140 /* Delegate Prototypes {{{ */
1141 @class Package;
1142 @class Source;
1143 @class CydiaProgressEvent;
1144
1145 @protocol DatabaseDelegate
1146 - (void) repairWithSelector:(SEL)selector;
1147 - (void) setConfigurationData:(NSString *)data;
1148 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task;
1149 @end
1150
1151 @class CYPackageController;
1152
1153 @protocol CydiaDelegate
1154 - (void) retainNetworkActivityIndicator;
1155 - (void) releaseNetworkActivityIndicator;
1156 - (void) clearPackage:(Package *)package;
1157 - (void) installPackage:(Package *)package;
1158 - (void) installPackages:(NSArray *)packages;
1159 - (void) removePackage:(Package *)package;
1160 - (void) beginUpdate;
1161 - (BOOL) updating;
1162 - (void) distUpgrade;
1163 - (void) loadData;
1164 - (void) updateData;
1165 - (void) syncData;
1166 - (void) addTrivialSource:(NSString *)href;
1167 - (void) showSettings;
1168 - (UIProgressHUD *) addProgressHUD;
1169 - (void) removeProgressHUD:(UIProgressHUD *)hud;
1170 - (CYViewController *) pageForPackage:(NSString *)name;
1171 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item;
1172 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
1173 @end
1174 /* }}} */
1175
1176 /* ProgressEvent Interface/Delegate {{{ */
1177 @interface CydiaProgressEvent : NSObject {
1178     _H<NSString> message_;
1179     _H<NSString> type_;
1180
1181     _H<NSArray> item_;
1182     _H<NSString> package_;
1183     _H<NSString> url_;
1184     _H<NSString> version_;
1185 }
1186
1187 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type;
1188 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forPackage:(NSString *)package;
1189 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forItem:(pkgAcquire::ItemDesc &)item;
1190
1191 - (id) initWithMessage:(NSString *)message ofType:(NSString *)type;
1192
1193 - (NSString *) message;
1194 - (NSString *) type;
1195
1196 - (NSArray *) item;
1197 - (NSString *) package;
1198 - (NSString *) url;
1199 - (NSString *) version;
1200
1201 - (void) setItem:(NSArray *)item;
1202 - (void) setPackage:(NSString *)package;
1203 - (void) setURL:(NSString *)url;
1204 - (void) setVersion:(NSString *)version;
1205
1206 - (NSString *) compound:(NSString *)value;
1207 - (NSString *) compoundMessage;
1208 - (NSString *) compoundTitle;
1209
1210 @end
1211
1212 @protocol ProgressDelegate
1213 - (void) addProgressEvent:(CydiaProgressEvent *)event;
1214 - (void) setProgressPercent:(NSNumber *)percent;
1215 - (void) setProgressStatus:(NSDictionary *)status;
1216 - (void) setProgressCancellable:(NSNumber *)cancellable;
1217 - (bool) isProgressCancelled;
1218 - (void) setTitle:(NSString *)title;
1219 @end
1220 /* }}} */
1221 /* Status Delegation {{{ */
1222 class Status :
1223     public pkgAcquireStatus
1224 {
1225   private:
1226     _transient NSObject<ProgressDelegate> *delegate_;
1227     bool cancelled_;
1228
1229   public:
1230     Status() :
1231         delegate_(nil),
1232         cancelled_(false)
1233     {
1234     }
1235
1236     void setDelegate(NSObject<ProgressDelegate> *delegate) {
1237         delegate_ = delegate;
1238     }
1239
1240     NSObject<ProgressDelegate> *getDelegate() const {
1241         return delegate_;
1242     }
1243
1244     virtual bool MediaChange(std::string media, std::string drive) {
1245         return false;
1246     }
1247
1248     virtual void IMSHit(pkgAcquire::ItemDesc &item) {
1249     }
1250
1251     virtual void Fetch(pkgAcquire::ItemDesc &item) {
1252         NSString *name([NSString stringWithUTF8String:item.ShortDesc.c_str()]);
1253         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithFormat:UCLocalize("DOWNLOADING_"), name] ofType:@"STATUS" forItem:item]);
1254         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
1255     }
1256
1257     virtual void Done(pkgAcquire::ItemDesc &item) {
1258     }
1259
1260     virtual void Fail(pkgAcquire::ItemDesc &item) {
1261         if (
1262             item.Owner->Status == pkgAcquire::Item::StatIdle ||
1263             item.Owner->Status == pkgAcquire::Item::StatDone
1264         )
1265             return;
1266
1267         std::string &error(item.Owner->ErrorText);
1268         if (error.empty())
1269             return;
1270
1271         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:@"ERROR" forItem:item]);
1272         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
1273     }
1274
1275     virtual bool Pulse(pkgAcquire *Owner) {
1276         bool value = pkgAcquireStatus::Pulse(Owner);
1277
1278         double percent(
1279             double(CurrentBytes + CurrentItems) /
1280             double(TotalBytes + TotalItems)
1281         );
1282
1283         [delegate_ performSelectorOnMainThread:@selector(setProgressStatus:) withObject:[NSDictionary dictionaryWithObjectsAndKeys:
1284             [NSNumber numberWithDouble:percent], @"Percent",
1285
1286             [NSNumber numberWithDouble:CurrentBytes], @"Current",
1287             [NSNumber numberWithDouble:TotalBytes], @"Total",
1288             [NSNumber numberWithDouble:CurrentCPS], @"Speed",
1289         nil] waitUntilDone:YES];
1290
1291         if (value && ![delegate_ isProgressCancelled])
1292             return true;
1293         else {
1294             cancelled_ = true;
1295             return false;
1296         }
1297     }
1298
1299     _finline bool WasCancelled() const {
1300         return cancelled_;
1301     }
1302
1303     virtual void Start() {
1304         pkgAcquireStatus::Start();
1305         [delegate_ performSelectorOnMainThread:@selector(setProgressCancellable:) withObject:[NSNumber numberWithBool:YES] waitUntilDone:YES];
1306     }
1307
1308     virtual void Stop() {
1309         pkgAcquireStatus::Stop();
1310         [delegate_ performSelectorOnMainThread:@selector(setProgressCancellable:) withObject:[NSNumber numberWithBool:NO] waitUntilDone:YES];
1311         [delegate_ performSelectorOnMainThread:@selector(setProgressStatus:) withObject:nil waitUntilDone:YES];
1312     }
1313 };
1314 /* }}} */
1315 /* Database Interface {{{ */
1316 typedef std::map< unsigned long, _H<Source> > SourceMap;
1317
1318 @interface Database : NSObject {
1319     NSZone *zone_;
1320     apr_pool_t *pool_;
1321
1322     unsigned era_;
1323
1324     pkgCacheFile cache_;
1325     pkgDepCache::Policy *policy_;
1326     pkgRecords *records_;
1327     pkgProblemResolver *resolver_;
1328     pkgAcquire *fetcher_;
1329     FileFd *lock_;
1330     SPtr<pkgPackageManager> manager_;
1331     pkgSourceList *list_;
1332
1333     SourceMap sourceMap_;
1334     NSMutableArray *sourceList_;
1335
1336     CFMutableArrayRef packages_;
1337
1338     _transient NSObject<DatabaseDelegate> *delegate_;
1339     _transient NSObject<ProgressDelegate> *progress_;
1340
1341     Status status_;
1342
1343     int cydiafd_;
1344     int statusfd_;
1345     FILE *input_;
1346
1347     std::map<const char *, _H<NSString> > sections_;
1348 }
1349
1350 + (Database *) sharedInstance;
1351 - (unsigned) era;
1352
1353 - (void) _readCydia:(NSNumber *)fd;
1354 - (void) _readStatus:(NSNumber *)fd;
1355 - (void) _readOutput:(NSNumber *)fd;
1356
1357 - (FILE *) input;
1358
1359 - (Package *) packageWithName:(NSString *)name;
1360
1361 - (pkgCacheFile &) cache;
1362 - (pkgDepCache::Policy *) policy;
1363 - (pkgRecords *) records;
1364 - (pkgProblemResolver *) resolver;
1365 - (pkgAcquire &) fetcher;
1366 - (pkgSourceList &) list;
1367 - (NSArray *) packages;
1368 - (NSArray *) sources;
1369 - (Source *) sourceWithKey:(NSString *)key;
1370 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
1371
1372 - (void) configure;
1373 - (bool) prepare;
1374 - (void) perform;
1375 - (bool) upgrade;
1376 - (void) update;
1377
1378 - (void) updateWithStatus:(Status &)status;
1379
1380 - (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate;
1381
1382 - (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate;
1383 - (NSObject<ProgressDelegate> *) progressDelegate;
1384
1385 - (Source *) getSource:(pkgCache::PkgFileIterator)file;
1386
1387 - (NSString *) mappedSectionForPointer:(const char *)pointer;
1388
1389 @end
1390 /* }}} */
1391 /* ProgressEvent Implementation {{{ */
1392 @implementation CydiaProgressEvent
1393
1394 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type {
1395     return [[[CydiaProgressEvent alloc] initWithMessage:message ofType:type] autorelease];
1396 }
1397
1398 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forPackage:(NSString *)package {
1399     CydiaProgressEvent *event([self eventWithMessage:message ofType:type]);
1400     [event setPackage:package];
1401     return event;
1402 }
1403
1404 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forItem:(pkgAcquire::ItemDesc &)item {
1405     CydiaProgressEvent *event([self eventWithMessage:message ofType:type]);
1406
1407     NSString *description([NSString stringWithUTF8String:item.Description.c_str()]);
1408     NSArray *fields([description componentsSeparatedByString:@" "]);
1409     [event setItem:fields];
1410
1411     if ([fields count] > 3) {
1412         [event setPackage:[fields objectAtIndex:2]];
1413         [event setVersion:[fields objectAtIndex:3]];
1414     }
1415
1416     [event setURL:[NSString stringWithUTF8String:item.URI.c_str()]];
1417
1418     return event;
1419 }
1420
1421 + (NSArray *) _attributeKeys {
1422     return [NSArray arrayWithObjects:
1423         @"item",
1424         @"message",
1425         @"package",
1426         @"type",
1427         @"url",
1428         @"version",
1429     nil];
1430 }
1431
1432 - (NSArray *) attributeKeys {
1433     return [[self class] _attributeKeys];
1434 }
1435
1436 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1437     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1438 }
1439
1440 - (id) initWithMessage:(NSString *)message ofType:(NSString *)type {
1441     if ((self = [super init]) != nil) {
1442         message_ = message;
1443         type_ = type;
1444     } return self;
1445 }
1446
1447 - (NSString *) message {
1448     return message_;
1449 }
1450
1451 - (NSString *) type {
1452     return type_;
1453 }
1454
1455 - (NSArray *) item {
1456     return (id) item_ ?: [NSNull null];
1457 }
1458
1459 - (void) setItem:(NSArray *)item {
1460     item_ = item;
1461 }
1462
1463 - (NSString *) package {
1464     return (id) package_ ?: [NSNull null];
1465 }
1466
1467 - (void) setPackage:(NSString *)package {
1468     package_ = package;
1469 }
1470
1471 - (NSString *) url {
1472     return (id) url_ ?: [NSNull null];
1473 }
1474
1475 - (void) setURL:(NSString *)url {
1476     url_ = url;
1477 }
1478
1479 - (void) setVersion:(NSString *)version {
1480     version_ = version;
1481 }
1482
1483 - (NSString *) version {
1484     return (id) version_ ?: [NSNull null];
1485 }
1486
1487 - (NSString *) compound:(NSString *)value {
1488     if (value != nil) {
1489         NSString *mode(nil); {
1490             NSString *type([self type]);
1491             if ([type isEqualToString:@"ERROR"])
1492                 mode = UCLocalize("ERROR");
1493             else if ([type isEqualToString:@"WARNING"])
1494                 mode = UCLocalize("WARNING");
1495         }
1496
1497         if (mode != nil)
1498             value = [NSString stringWithFormat:UCLocalize("COLON_DELIMITED"), mode, value];
1499     }
1500
1501     return value;
1502 }
1503
1504 - (NSString *) compoundMessage {
1505     return [self compound:[self message]];
1506 }
1507
1508 - (NSString *) compoundTitle {
1509     NSString *title;
1510
1511     if (package_ == nil)
1512         title = nil;
1513     else if (Package *package = [[Database sharedInstance] packageWithName:package_])
1514         title = [package name];
1515     else
1516         title = package_;
1517
1518     return [self compound:title];
1519 }
1520
1521 @end
1522 /* }}} */
1523
1524 // Cytore Definitions {{{
1525 struct PackageValue :
1526     Cytore::Block
1527 {
1528     Cytore::Offset<PackageValue> next_;
1529
1530     uint32_t index_ : 23;
1531     uint32_t subscribed_ : 1;
1532     uint32_t : 8;
1533
1534     int32_t first_;
1535     int32_t last_;
1536
1537     uint16_t vhash_;
1538     uint16_t nhash_;
1539
1540     char version_[8];
1541     char name_[];
1542 };
1543
1544 struct MetaValue :
1545     Cytore::Block
1546 {
1547     uint32_t active_;
1548     Cytore::Offset<PackageValue> packages_[1 << 16];
1549 };
1550
1551 static Cytore::File<MetaValue> MetaFile_;
1552 // }}}
1553 // Cytore Helper Functions {{{
1554 static PackageValue *PackageFind(const char *name, size_t length, bool *fail = NULL) {
1555     SplitHash nhash = { hashlittle(name, length) };
1556
1557     PackageValue *metadata;
1558
1559     Cytore::Offset<PackageValue> *offset(&MetaFile_->packages_[nhash.u16[0]]);
1560     offset: if (offset->IsNull()) {
1561         *offset = MetaFile_.New<PackageValue>(length + 1);
1562         metadata = &MetaFile_.Get(*offset);
1563
1564         if (metadata == NULL) {
1565             if (fail != NULL)
1566                 *fail = true;
1567
1568             metadata = new PackageValue();
1569             memset(metadata, 0, sizeof(*metadata));
1570         }
1571
1572         memcpy(metadata->name_, name, length + 1);
1573         metadata->nhash_ = nhash.u16[1];
1574     } else {
1575         metadata = &MetaFile_.Get(*offset);
1576
1577         if (metadata->nhash_ != nhash.u16[1] || strncmp(metadata->name_, name, length + 1) != 0) {
1578             offset = &metadata->next_;
1579             goto offset;
1580         }
1581     }
1582
1583     return metadata;
1584 }
1585
1586 static void PackageImport(const void *key, const void *value, void *context) {
1587     bool &fail(*reinterpret_cast<bool *>(context));
1588
1589     char buffer[1024];
1590     if (!CFStringGetCString((CFStringRef) key, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
1591         NSLog(@"failed to import package %@", key);
1592         return;
1593     }
1594
1595     PackageValue *metadata(PackageFind(buffer, strlen(buffer), &fail));
1596     NSDictionary *package((NSDictionary *) value);
1597
1598     if (NSNumber *subscribed = [package objectForKey:@"IsSubscribed"])
1599         if ([subscribed boolValue] && !metadata->subscribed_)
1600             metadata->subscribed_ = true;
1601
1602     if (NSDate *date = [package objectForKey:@"FirstSeen"]) {
1603         time_t time([date timeIntervalSince1970]);
1604         if (metadata->first_ > time || metadata->first_ == 0)
1605             metadata->first_ = time;
1606     }
1607
1608     NSDate *date([package objectForKey:@"LastSeen"]);
1609     NSString *version([package objectForKey:@"LastVersion"]);
1610
1611     if (date != nil && version != nil) {
1612         time_t time([date timeIntervalSince1970]);
1613         if (metadata->last_ < time || metadata->last_ == 0)
1614             if (CFStringGetCString((CFStringRef) version, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
1615                 size_t length(strlen(buffer));
1616                 uint16_t vhash(hashlittle(buffer, length));
1617
1618                 size_t capped(std::min<size_t>(8, length));
1619                 char *latest(buffer + length - capped);
1620
1621                 strncpy(metadata->version_, latest, sizeof(metadata->version_));
1622                 metadata->vhash_ = vhash;
1623
1624                 metadata->last_ = time;
1625             }
1626     }
1627 }
1628 // }}}
1629
1630 /* Source Class {{{ */
1631 @interface Source : NSObject {
1632     CYString depiction_;
1633     CYString description_;
1634     CYString label_;
1635     CYString origin_;
1636     CYString support_;
1637
1638     CYString uri_;
1639     CYString distribution_;
1640     CYString type_;
1641     CYString version_;
1642
1643     _H<NSString> host_;
1644     _H<NSString> authority_;
1645
1646     CYString defaultIcon_;
1647
1648     _H<NSDictionary> record_;
1649     BOOL trusted_;
1650 }
1651
1652 - (Source *) initWithMetaIndex:(metaIndex *)index inPool:(apr_pool_t *)pool;
1653
1654 - (NSComparisonResult) compareByNameAndType:(Source *)source;
1655
1656 - (NSString *) depictionForPackage:(NSString *)package;
1657 - (NSString *) supportForPackage:(NSString *)package;
1658
1659 - (NSDictionary *) record;
1660 - (BOOL) trusted;
1661
1662 - (NSString *) uri;
1663 - (NSString *) distribution;
1664 - (NSString *) type;
1665 - (NSString *) key;
1666 - (NSString *) host;
1667
1668 - (NSString *) name;
1669 - (NSString *) description;
1670 - (NSString *) label;
1671 - (NSString *) origin;
1672 - (NSString *) version;
1673
1674 - (NSString *) defaultIcon;
1675
1676 @end
1677
1678 @implementation Source
1679
1680 - (void) _clear {
1681     uri_.clear();
1682     distribution_.clear();
1683     type_.clear();
1684
1685     description_.clear();
1686     label_.clear();
1687     origin_.clear();
1688     depiction_.clear();
1689     support_.clear();
1690     version_.clear();
1691     defaultIcon_.clear();
1692
1693     record_ = nil;
1694     host_ = nil;
1695     authority_ = nil;
1696 }
1697
1698 - (void) dealloc {
1699     // XXX: this is a very inefficient way to call these deconstructors
1700     [self _clear];
1701     [super dealloc];
1702 }
1703
1704 + (NSArray *) _attributeKeys {
1705     return [NSArray arrayWithObjects:
1706         @"description",
1707         @"distribution",
1708         @"host",
1709         @"key",
1710         @"label",
1711         @"name",
1712         @"origin",
1713         @"trusted",
1714         @"type",
1715         @"uri",
1716         @"version",
1717     nil];
1718 }
1719
1720 - (NSArray *) attributeKeys {
1721     return [[self class] _attributeKeys];
1722 }
1723
1724 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1725     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1726 }
1727
1728 - (void) setMetaIndex:(metaIndex *)index inPool:(apr_pool_t *)pool {
1729     [self _clear];
1730
1731     trusted_ = index->IsTrusted();
1732
1733     uri_.set(pool, index->GetURI());
1734     distribution_.set(pool, index->GetDist());
1735     type_.set(pool, index->GetType());
1736
1737     debReleaseIndex *dindex(dynamic_cast<debReleaseIndex *>(index));
1738     if (dindex != NULL) {
1739         FileFd fd;
1740         if (!fd.Open(dindex->MetaIndexFile("Release"), FileFd::ReadOnly))
1741             _error->Discard();
1742         else {
1743             pkgTagFile tags(&fd);
1744
1745             pkgTagSection section;
1746             tags.Step(section);
1747
1748             struct {
1749                 const char *name_;
1750                 CYString *value_;
1751             } names[] = {
1752                 {"default-icon", &defaultIcon_},
1753                 {"depiction", &depiction_},
1754                 {"description", &description_},
1755                 {"label", &label_},
1756                 {"origin", &origin_},
1757                 {"support", &support_},
1758                 {"version", &version_},
1759             };
1760
1761             for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i) {
1762                 const char *start, *end;
1763
1764                 if (section.Find(names[i].name_, start, end)) {
1765                     CYString &value(*names[i].value_);
1766                     value.set(pool, start, end - start);
1767                 }
1768             }
1769         }
1770     }
1771
1772     record_ = [Sources_ objectForKey:[self key]];
1773
1774     NSURL *url([NSURL URLWithString:uri_]);
1775
1776     host_ = [url host];
1777     if (host_ != nil)
1778         host_ = [host_ lowercaseString];
1779
1780     if (host_ != nil)
1781         // XXX: this is due to a bug in _H<>
1782         authority_ = (id) host_;
1783     else
1784         authority_ = [url path];
1785 }
1786
1787 - (Source *) initWithMetaIndex:(metaIndex *)index inPool:(apr_pool_t *)pool {
1788     if ((self = [super init]) != nil) {
1789         [self setMetaIndex:index inPool:pool];
1790     } return self;
1791 }
1792
1793 - (NSComparisonResult) compareByNameAndType:(Source *)source {
1794     NSDictionary *lhr = [self record];
1795     NSDictionary *rhr = [source record];
1796
1797     if (lhr != rhr)
1798         return lhr == nil ? NSOrderedDescending : NSOrderedAscending;
1799
1800     NSString *lhs = [self name];
1801     NSString *rhs = [source name];
1802
1803     if ([lhs length] != 0 && [rhs length] != 0) {
1804         unichar lhc = [lhs characterAtIndex:0];
1805         unichar rhc = [rhs characterAtIndex:0];
1806
1807         if (isalpha(lhc) && !isalpha(rhc))
1808             return NSOrderedAscending;
1809         else if (!isalpha(lhc) && isalpha(rhc))
1810             return NSOrderedDescending;
1811     }
1812
1813     return [lhs compare:rhs options:LaxCompareOptions_];
1814 }
1815
1816 - (NSString *) depictionForPackage:(NSString *)package {
1817     return depiction_.empty() ? nil : [static_cast<id>(depiction_) stringByReplacingOccurrencesOfString:@"*" withString:package];
1818 }
1819
1820 - (NSString *) supportForPackage:(NSString *)package {
1821     return support_.empty() ? nil : [static_cast<id>(support_) stringByReplacingOccurrencesOfString:@"*" withString:package];
1822 }
1823
1824 - (NSDictionary *) record {
1825     return record_;
1826 }
1827
1828 - (BOOL) trusted {
1829     return trusted_;
1830 }
1831
1832 - (NSString *) uri {
1833     return uri_;
1834 }
1835
1836 - (NSString *) distribution {
1837     return distribution_;
1838 }
1839
1840 - (NSString *) type {
1841     return type_;
1842 }
1843
1844 - (NSString *) key {
1845     return [NSString stringWithFormat:@"%@:%@:%@", (NSString *) type_, (NSString *) uri_, (NSString *) distribution_];
1846 }
1847
1848 - (NSString *) host {
1849     return host_;
1850 }
1851
1852 - (NSString *) name {
1853     return origin_.empty() ? (id) authority_ : origin_;
1854 }
1855
1856 - (NSString *) description {
1857     return description_;
1858 }
1859
1860 - (NSString *) label {
1861     return label_.empty() ? (id) authority_ : label_;
1862 }
1863
1864 - (NSString *) origin {
1865     return origin_;
1866 }
1867
1868 - (NSString *) version {
1869     return version_;
1870 }
1871
1872 - (NSString *) defaultIcon {
1873     return defaultIcon_;
1874 }
1875
1876 @end
1877 /* }}} */
1878 /* CydiaOperation Class {{{ */
1879 @interface CydiaOperation : NSObject {
1880     NSString *operator_;
1881     NSString *value_;
1882 }
1883
1884 - (NSString *) operator;
1885 - (NSString *) value;
1886
1887 @end
1888
1889 @implementation CydiaOperation
1890
1891 - (void) dealloc {
1892     [operator_ release];
1893     [value_ release];
1894     [super dealloc];
1895 }
1896
1897 - (id) initWithOperator:(const char *)_operator value:(const char *)value {
1898     if ((self = [super init]) != nil) {
1899         operator_ = [[NSString alloc] initWithUTF8String:_operator];
1900         value_ = [[NSString alloc] initWithUTF8String:value];
1901     } return self;
1902 }
1903
1904 + (NSArray *) _attributeKeys {
1905     return [NSArray arrayWithObjects:
1906         @"operator",
1907         @"value",
1908     nil];
1909 }
1910
1911 - (NSArray *) attributeKeys {
1912     return [[self class] _attributeKeys];
1913 }
1914
1915 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1916     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1917 }
1918
1919 - (NSString *) operator {
1920     return operator_;
1921 }
1922
1923 - (NSString *) value {
1924     return value_;
1925 }
1926
1927 @end
1928 /* }}} */
1929 /* CydiaClause Class {{{ */
1930 @interface CydiaClause : NSObject {
1931     NSString *package_;
1932     CydiaOperation *version_;
1933 }
1934
1935 - (NSString *) package;
1936 - (CydiaOperation *) version;
1937
1938 @end
1939
1940 @implementation CydiaClause
1941
1942 - (void) dealloc {
1943     [package_ release];
1944     [version_ release];
1945     [super dealloc];
1946 }
1947
1948 - (id) initWithIterator:(pkgCache::DepIterator &)dep {
1949     if ((self = [super init]) != nil) {
1950         package_ = [[NSString alloc] initWithUTF8String:dep.TargetPkg().Name()];
1951
1952         if (const char *version = dep.TargetVer())
1953             version_ = [[CydiaOperation alloc] initWithOperator:dep.CompType() value:version];
1954         else
1955             version_ = [[NSNull null] retain];
1956     } return self;
1957 }
1958
1959 + (NSArray *) _attributeKeys {
1960     return [NSArray arrayWithObjects:
1961         @"package",
1962         @"version",
1963     nil];
1964 }
1965
1966 - (NSArray *) attributeKeys {
1967     return [[self class] _attributeKeys];
1968 }
1969
1970 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1971     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1972 }
1973
1974 - (NSString *) package {
1975     return package_;
1976 }
1977
1978 - (CydiaOperation *) version {
1979     return version_;
1980 }
1981
1982 @end
1983 /* }}} */
1984 /* CydiaRelation Class {{{ */
1985 @interface CydiaRelation : NSObject {
1986     NSString *relationship_;
1987     NSMutableArray *clauses_;
1988 }
1989
1990 - (NSString *) relationship;
1991 - (NSArray *) clauses;
1992
1993 @end
1994
1995 @implementation CydiaRelation
1996
1997 - (void) dealloc {
1998     [relationship_ release];
1999     [clauses_ release];
2000     [super dealloc];
2001 }
2002
2003 - (id) initWithIterator:(pkgCache::DepIterator &)dep {
2004     if ((self = [super init]) != nil) {
2005         relationship_ = [[NSString alloc] initWithUTF8String:dep.DepType()];
2006         clauses_ = [[NSMutableArray alloc] initWithCapacity:8];
2007
2008         pkgCache::DepIterator start;
2009         pkgCache::DepIterator end;
2010         dep.GlobOr(start, end); // ++dep
2011
2012         _forever {
2013             [clauses_ addObject:[[[CydiaClause alloc] initWithIterator:start] autorelease]];
2014
2015             // yes, seriously. (wtf?)
2016             if (start == end)
2017                 break;
2018             ++start;
2019         }
2020     } return self;
2021 }
2022
2023 + (NSArray *) _attributeKeys {
2024     return [NSArray arrayWithObjects:
2025         @"clauses",
2026         @"relationship",
2027     nil];
2028 }
2029
2030 - (NSArray *) attributeKeys {
2031     return [[self class] _attributeKeys];
2032 }
2033
2034 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
2035     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
2036 }
2037
2038 - (NSString *) relationship {
2039     return relationship_;
2040 }
2041
2042 - (NSArray *) clauses {
2043     return clauses_;
2044 }
2045
2046 - (void) addClause:(CydiaClause *)clause {
2047     [clauses_ addObject:clause];
2048 }
2049
2050 @end
2051 /* }}} */
2052 /* Package Class {{{ */
2053 struct ParsedPackage {
2054     CYString tagline_;
2055
2056     CYString icon_;
2057
2058     CYString depiction_;
2059     CYString homepage_;
2060
2061     CYString sponsor_;
2062     CYString author_;
2063
2064     CYString bugs_;
2065     CYString support_;
2066 };
2067
2068 @interface Package : NSObject {
2069     uint32_t era_ : 26;
2070     uint32_t role_ : 3;
2071     uint32_t essential_ : 1;
2072     uint32_t obsolete_ : 1;
2073     uint32_t ignored_ : 1;
2074
2075     apr_pool_t *pool_;
2076
2077     _transient Database *database_;
2078
2079     pkgCache::VerIterator version_;
2080     pkgCache::PkgIterator iterator_;
2081     pkgCache::VerFileIterator file_;
2082
2083     CYString id_;
2084     CYString name_;
2085
2086     CYString latest_;
2087     CYString installed_;
2088
2089     const char *section_;
2090     _transient NSString *section$_;
2091
2092     Source *source_;
2093
2094     PackageValue *metadata_;
2095     ParsedPackage *parsed_;
2096
2097     NSMutableArray *tags_;
2098 }
2099
2100 - (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database;
2101 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database;
2102
2103 - (pkgCache::PkgIterator) iterator;
2104 - (void) parse;
2105
2106 - (NSString *) section;
2107 - (NSString *) simpleSection;
2108
2109 - (NSString *) longSection;
2110 - (NSString *) shortSection;
2111
2112 - (NSString *) uri;
2113
2114 - (Address *) maintainer;
2115 - (size_t) size;
2116 - (NSString *) longDescription;
2117 - (NSString *) shortDescription;
2118 - (unichar) index;
2119
2120 - (PackageValue *) metadata;
2121 - (time_t) seen;
2122
2123 - (bool) subscribed;
2124 - (bool) setSubscribed:(bool)subscribed;
2125
2126 - (BOOL) ignored;
2127
2128 - (NSString *) latest;
2129 - (NSString *) installed;
2130 - (BOOL) uninstalled;
2131
2132 - (BOOL) valid;
2133 - (BOOL) upgradableAndEssential:(BOOL)essential;
2134 - (BOOL) essential;
2135 - (BOOL) broken;
2136 - (BOOL) unfiltered;
2137 - (BOOL) visible;
2138
2139 - (BOOL) half;
2140 - (BOOL) halfConfigured;
2141 - (BOOL) halfInstalled;
2142 - (BOOL) hasMode;
2143 - (NSString *) mode;
2144
2145 - (NSString *) id;
2146 - (NSString *) name;
2147 - (UIImage *) icon;
2148 - (NSString *) homepage;
2149 - (NSString *) depiction;
2150 - (Address *) author;
2151
2152 - (NSString *) support;
2153
2154 - (NSArray *) files;
2155 - (NSArray *) warnings;
2156 - (NSArray *) applications;
2157
2158 - (Source *) source;
2159
2160 - (BOOL) matches:(NSString *)text;
2161
2162 - (bool) hasSupportingRole;
2163 - (BOOL) hasTag:(NSString *)tag;
2164 - (NSString *) primaryPurpose;
2165 - (NSArray *) purposes;
2166 - (bool) isCommercial;
2167
2168 - (void) setIndex:(size_t)index;
2169
2170 - (CYString &) cyname;
2171
2172 - (uint32_t) compareBySection:(NSArray *)sections;
2173
2174 - (void) install;
2175 - (void) remove;
2176
2177 - (bool) isUnfilteredAndSearchedForBy:(NSString *)search;
2178 - (bool) isUnfilteredAndSelectedForBy:(NSString *)search;
2179 - (bool) isInstalledAndUnfiltered:(NSNumber *)number;
2180 - (bool) isVisibleInSection:(NSString *)section;
2181 - (bool) isVisibleInSource:(Source *)source;
2182
2183 @end
2184
2185 uint32_t PackageChangesRadix(Package *self, void *) {
2186     union {
2187         uint32_t key;
2188
2189         struct {
2190             uint32_t timestamp : 30;
2191             uint32_t ignored : 1;
2192             uint32_t upgradable : 1;
2193         } bits;
2194     } value;
2195
2196     bool upgradable([self upgradableAndEssential:YES]);
2197     value.bits.upgradable = upgradable ? 1 : 0;
2198
2199     if (upgradable) {
2200         value.bits.timestamp = 0;
2201         value.bits.ignored = [self ignored] ? 0 : 1;
2202         value.bits.upgradable = 1;
2203     } else {
2204         value.bits.timestamp = [self seen] >> 2;
2205         value.bits.ignored = 0;
2206         value.bits.upgradable = 0;
2207     }
2208
2209     return _not(uint32_t) - value.key;
2210 }
2211
2212 uint32_t PackagePrefixRadix(Package *self, void *context) {
2213     size_t offset(reinterpret_cast<size_t>(context));
2214     CYString &name([self cyname]);
2215
2216     size_t size(name.size());
2217     if (size == 0)
2218         return 0;
2219     char *text(name.data());
2220
2221     size_t zeros;
2222     if (!isdigit(text[0]))
2223         zeros = 0;
2224     else {
2225         size_t digits(1);
2226         while (size != digits && isdigit(text[digits]))
2227             if (++digits == 4)
2228                 break;
2229         zeros = 4 - digits;
2230     }
2231
2232     uint8_t data[4];
2233
2234     if (offset == 0 && zeros != 0) {
2235         memset(data, '0', zeros);
2236         memcpy(data + zeros, text, 4 - zeros);
2237     } else {
2238         /* XXX: there's some danger here if you request a non-zero offset < 4 and it gets zero padded */
2239         if (size <= offset - zeros)
2240             return 0;
2241
2242         text += offset - zeros;
2243         size -= offset - zeros;
2244
2245         if (size >= 4)
2246             memcpy(data, text, 4);
2247         else {
2248             memcpy(data, text, size);
2249             memset(data + size, 0, 4 - size);
2250         }
2251
2252         for (size_t i(0); i != 4; ++i)
2253             if (isalpha(data[i]))
2254                 data[i] |= 0x20;
2255     }
2256
2257     if (offset == 0)
2258         if (data[0] == '@')
2259             data[0] = 0x7f;
2260         else
2261             data[0] = (data[0] & 0x1f) | "\x80\x00\xc0\x40"[data[0] >> 6];
2262
2263     /* XXX: ntohl may be more honest */
2264     return OSSwapInt32(*reinterpret_cast<uint32_t *>(data));
2265 }
2266
2267 CYString &(*PackageName)(Package *self, SEL sel);
2268
2269 CFComparisonResult PackageNameCompare(Package *lhs, Package *rhs, void *arg) {
2270     _profile(PackageNameCompare)
2271         CYString &lhi(PackageName(lhs, @selector(cyname)));
2272         CYString &rhi(PackageName(rhs, @selector(cyname)));
2273         CFStringRef lhn(lhi), rhn(rhi);
2274
2275         if (lhn == NULL)
2276             return rhn == NULL ? NSOrderedSame : NSOrderedAscending;
2277         else if (rhn == NULL)
2278             return NSOrderedDescending;
2279
2280         _profile(PackageNameCompare$NumbersLast)
2281             if (!lhi.empty() && !rhi.empty()) {
2282                 UniChar lhc(CFStringGetCharacterAtIndex(lhn, 0));
2283                 UniChar rhc(CFStringGetCharacterAtIndex(rhn, 0));
2284                 bool lha(CFUniCharIsMemberOf(lhc, kCFUniCharLetterCharacterSet));
2285                 if (lha != CFUniCharIsMemberOf(rhc, kCFUniCharLetterCharacterSet))
2286                     return lha ? NSOrderedAscending : NSOrderedDescending;
2287             }
2288         _end
2289
2290         CFIndex length = CFStringGetLength(lhn);
2291
2292         _profile(PackageNameCompare$Compare)
2293             return CFStringCompareWithOptionsAndLocale(lhn, rhn, CFRangeMake(0, length), LaxCompareFlags_, Locale_);
2294         _end
2295     _end
2296 }
2297
2298 CFComparisonResult PackageNameCompare_(Package **lhs, Package **rhs, void *context) {
2299     return PackageNameCompare(*lhs, *rhs, context);
2300 }
2301
2302 struct PackageNameOrdering :
2303     std::binary_function<Package *, Package *, bool>
2304 {
2305     _finline bool operator ()(Package *lhs, Package *rhs) const {
2306         return PackageNameCompare(lhs, rhs, NULL) == NSOrderedAscending;
2307     }
2308 };
2309
2310 @implementation Package
2311
2312 - (NSString *) description {
2313     return [NSString stringWithFormat:@"<Package:%@>", static_cast<NSString *>(name_)];
2314 }
2315
2316 - (void) dealloc {
2317     if (parsed_ != NULL)
2318         delete parsed_;
2319     if (source_ != nil)
2320         [source_ release];
2321     if (tags_ != nil)
2322         [tags_ release];
2323     [super dealloc];
2324 }
2325
2326 + (NSString *) webScriptNameForSelector:(SEL)selector {
2327     if (false);
2328     else if (selector == @selector(clear))
2329         return @"clear";
2330     else if (selector == @selector(getField:))
2331         return @"getField";
2332     else if (selector == @selector(hasTag:))
2333         return @"hasTag";
2334     else if (selector == @selector(install))
2335         return @"install";
2336     else if (selector == @selector(remove))
2337         return @"remove";
2338     else
2339         return nil;
2340 }
2341
2342 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
2343     return [self webScriptNameForSelector:selector] == nil;
2344 }
2345
2346 + (NSArray *) _attributeKeys {
2347     return [NSArray arrayWithObjects:
2348         @"applications",
2349         @"author",
2350         @"depiction",
2351         @"essential",
2352         @"homepage",
2353         @"icon",
2354         @"id",
2355         @"installed",
2356         @"latest",
2357         @"longDescription",
2358         @"longSection",
2359         @"maintainer",
2360         @"mode",
2361         @"name",
2362         @"purposes",
2363         @"relations",
2364         @"section",
2365         @"selection",
2366         @"shortDescription",
2367         @"shortSection",
2368         @"simpleSection",
2369         @"size",
2370         @"source",
2371         @"sponsor",
2372         @"state",
2373         @"support",
2374         @"tags",
2375         @"warnings",
2376     nil];
2377 }
2378
2379 - (NSArray *) attributeKeys {
2380     return [[self class] _attributeKeys];
2381 }
2382
2383 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
2384     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
2385 }
2386
2387 - (NSArray *) relations {
2388 @synchronized (database_) {
2389     NSMutableArray *relations([NSMutableArray arrayWithCapacity:16]);
2390     for (pkgCache::DepIterator dep(version_.DependsList()); !dep.end(); ++dep)
2391         [relations addObject:[[[CydiaRelation alloc] initWithIterator:dep] autorelease]];
2392     return relations;
2393 } }
2394
2395 - (NSString *) getField:(NSString *)name {
2396 @synchronized (database_) {
2397     if ([database_ era] != era_ || file_.end())
2398         return nil;
2399
2400     pkgRecords::Parser &parser([database_ records]->Lookup(file_));
2401
2402     const char *start, *end;
2403     if (!parser.Find([name UTF8String], start, end))
2404         return (NSString *) [NSNull null];
2405
2406     return [(NSString *) CYStringCreate(start, end - start) autorelease];
2407 } }
2408
2409 - (void) parse {
2410     if (parsed_ != NULL)
2411         return;
2412 @synchronized (database_) {
2413     if ([database_ era] != era_ || file_.end())
2414         return;
2415
2416     ParsedPackage *parsed(new ParsedPackage);
2417     parsed_ = parsed;
2418
2419     _profile(Package$parse)
2420         pkgRecords::Parser *parser;
2421
2422         _profile(Package$parse$Lookup)
2423             parser = &[database_ records]->Lookup(file_);
2424         _end
2425
2426         CYString website;
2427
2428         _profile(Package$parse$Find)
2429             struct {
2430                 const char *name_;
2431                 CYString *value_;
2432             } names[] = {
2433                 {"icon", &parsed->icon_},
2434                 {"depiction", &parsed->depiction_},
2435                 {"homepage", &parsed->homepage_},
2436                 {"website", &website},
2437                 {"bugs", &parsed->bugs_},
2438                 {"support", &parsed->support_},
2439                 {"sponsor", &parsed->sponsor_},
2440                 {"author", &parsed->author_},
2441             };
2442
2443             for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i) {
2444                 const char *start, *end;
2445
2446                 if (parser->Find(names[i].name_, start, end)) {
2447                     CYString &value(*names[i].value_);
2448                     _profile(Package$parse$Value)
2449                         value.set(pool_, start, end - start);
2450                     _end
2451                 }
2452             }
2453         _end
2454
2455         _profile(Package$parse$Tagline)
2456             const char *start, *end;
2457             if (parser->ShortDesc(start, end)) {
2458                 const char *stop(reinterpret_cast<const char *>(memchr(start, '\n', end - start)));
2459                 if (stop == NULL)
2460                     stop = end;
2461                 while (stop != start && stop[-1] == '\r')
2462                     --stop;
2463                 parsed->tagline_.set(pool_, start, stop - start);
2464             }
2465         _end
2466
2467         _profile(Package$parse$Retain)
2468             if (parsed->homepage_.empty())
2469                 parsed->homepage_ = website;
2470             if (parsed->homepage_ == parsed->depiction_)
2471                 parsed->homepage_.clear();
2472         _end
2473     _end
2474 } }
2475
2476 - (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database {
2477     if ((self = [super init]) != nil) {
2478     _profile(Package$initWithVersion)
2479         pool_ = pool;
2480
2481         database_ = database;
2482         era_ = [database era];
2483
2484         version_ = version;
2485
2486         pkgCache::PkgIterator iterator(version.ParentPkg());
2487         iterator_ = iterator;
2488
2489         _profile(Package$initWithVersion$Version)
2490             if (!version_.end())
2491                 file_ = version_.FileList();
2492             else {
2493                 pkgCache &cache([database_ cache]);
2494                 file_ = pkgCache::VerFileIterator(cache, cache.VerFileP);
2495             }
2496         _end
2497
2498         _profile(Package$initWithVersion$Cache)
2499             name_.set(NULL, iterator.Display());
2500
2501             latest_.set(NULL, StripVersion_(version_.VerStr()));
2502
2503             pkgCache::VerIterator current(iterator.CurrentVer());
2504             if (!current.end())
2505                 installed_.set(NULL, StripVersion_(current.VerStr()));
2506         _end
2507
2508         _profile(Package$initWithVersion$Tags)
2509             pkgCache::TagIterator tag(iterator.TagList());
2510             if (!tag.end()) {
2511                 tags_ = [[NSMutableArray alloc] initWithCapacity:8];
2512                 do {
2513                     const char *name(tag.Name());
2514                     [tags_ addObject:[(NSString *)CYStringCreate(name) autorelease]];
2515
2516                     if (role_ == 0 && strncmp(name, "role::", 6) == 0 /*&& strcmp(name, "role::leaper") != 0*/) {
2517                         if (strcmp(name + 6, "enduser") == 0)
2518                             role_ = 1;
2519                         else if (strcmp(name + 6, "hacker") == 0)
2520                             role_ = 2;
2521                         else if (strcmp(name + 6, "developer") == 0)
2522                             role_ = 3;
2523                         else if (strcmp(name + 6, "cydia") == 0)
2524                             role_ = 7;
2525                         else
2526                             role_ = 4;
2527                     }
2528
2529                     if (strncmp(name, "cydia::", 7) == 0) {
2530                         if (strcmp(name + 7, "essential") == 0)
2531                             essential_ = true;
2532                         else if (strcmp(name + 7, "obsolete") == 0)
2533                             obsolete_ = true;
2534                     }
2535
2536                     ++tag;
2537                 } while (!tag.end());
2538             }
2539         _end
2540
2541         _profile(Package$initWithVersion$Metadata)
2542             const char *mixed(iterator.Name());
2543             size_t size(strlen(mixed));
2544             char lower[size + 1];
2545
2546             for (size_t i(0); i != size; ++i)
2547                 lower[i] = mixed[i] | 0x20;
2548             lower[size] = '\0';
2549
2550             PackageValue *metadata(PackageFind(lower, size));
2551             metadata_ = metadata;
2552
2553             id_.set(NULL, metadata->name_, size);
2554
2555             const char *latest(version_.VerStr());
2556             size_t length(strlen(latest));
2557
2558             uint16_t vhash(hashlittle(latest, length));
2559
2560             size_t capped(std::min<size_t>(8, length));
2561             latest = latest + length - capped;
2562
2563             if (metadata->first_ == 0)
2564                 metadata->first_ = now_;
2565
2566             if (metadata->vhash_ != vhash || strncmp(metadata->version_, latest, sizeof(metadata->version_)) != 0) {
2567                 strncpy(metadata->version_, latest, sizeof(metadata->version_));
2568                 metadata->vhash_ = vhash;
2569                 metadata->last_ = now_;
2570             } else if (metadata->last_ == 0)
2571                 metadata->last_ = metadata->first_;
2572         _end
2573
2574         _profile(Package$initWithVersion$Section)
2575             section_ = iterator.Section();
2576         _end
2577
2578         _profile(Package$initWithVersion$Flags)
2579             essential_ |= ((iterator->Flags & pkgCache::Flag::Essential) == 0 ? NO : YES);
2580             ignored_ = iterator->SelectedState == pkgCache::State::Hold;
2581         _end
2582     _end } return self;
2583 }
2584
2585 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database {
2586     pkgCache::VerIterator version;
2587
2588     _profile(Package$packageWithIterator$GetCandidateVer)
2589         version = [database policy]->GetCandidateVer(iterator);
2590     _end
2591
2592     if (version.end())
2593         return nil;
2594
2595     Package *package;
2596
2597     _profile(Package$packageWithIterator$Allocate)
2598         package = [Package allocWithZone:zone];
2599     _end
2600
2601     _profile(Package$packageWithIterator$Initialize)
2602         package = [package
2603             initWithVersion:version
2604             withZone:zone
2605             inPool:pool
2606             database:database
2607         ];
2608     _end
2609
2610     _profile(Package$packageWithIterator$Autorelease)
2611         package = [package autorelease];
2612     _end
2613
2614     return package;
2615 }
2616
2617 - (pkgCache::PkgIterator) iterator {
2618     return iterator_;
2619 }
2620
2621 - (NSString *) section {
2622     if (section$_ == nil) {
2623         if (section_ == NULL)
2624             return nil;
2625
2626         _profile(Package$section$mappedSectionForPointer)
2627             section$_ = [database_ mappedSectionForPointer:section_];
2628         _end
2629     } return section$_;
2630 }
2631
2632 - (NSString *) simpleSection {
2633     if (NSString *section = [self section])
2634         return Simplify(section);
2635     else
2636         return nil;
2637 }
2638
2639 - (NSString *) longSection {
2640     return LocalizeSection([self section]);
2641 }
2642
2643 - (NSString *) shortSection {
2644     return [[NSBundle mainBundle] localizedStringForKey:[self simpleSection] value:nil table:@"Sections"];
2645 }
2646
2647 - (NSString *) uri {
2648     return nil;
2649 #if 0
2650     pkgIndexFile *index;
2651     pkgCache::PkgFileIterator file(file_.File());
2652     if (![database_ list].FindIndex(file, index))
2653         return nil;
2654     return [NSString stringWithUTF8String:iterator_->Path];
2655     //return [NSString stringWithUTF8String:file.Site()];
2656     //return [NSString stringWithUTF8String:index->ArchiveURI(file.FileName()).c_str()];
2657 #endif
2658 }
2659
2660 - (Address *) maintainer {
2661 @synchronized (database_) {
2662     if ([database_ era] != era_ || file_.end())
2663         return nil;
2664
2665     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
2666     const std::string &maintainer(parser->Maintainer());
2667     return maintainer.empty() ? nil : [Address addressWithString:[NSString stringWithUTF8String:maintainer.c_str()]];
2668 } }
2669
2670 - (size_t) size {
2671 @synchronized (database_) {
2672     if ([database_ era] != era_ || version_.end())
2673         return 0;
2674
2675     return version_->InstalledSize;
2676 } }
2677
2678 - (NSString *) longDescription {
2679 @synchronized (database_) {
2680     if ([database_ era] != era_ || file_.end())
2681         return nil;
2682
2683     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
2684     NSString *description([NSString stringWithUTF8String:parser->LongDesc().c_str()]);
2685
2686     NSArray *lines = [description componentsSeparatedByString:@"\n"];
2687     NSMutableArray *trimmed = [NSMutableArray arrayWithCapacity:([lines count] - 1)];
2688     if ([lines count] < 2)
2689         return nil;
2690
2691     NSCharacterSet *whitespace = [NSCharacterSet whitespaceCharacterSet];
2692     for (size_t i(1), e([lines count]); i != e; ++i) {
2693         NSString *trim = [[lines objectAtIndex:i] stringByTrimmingCharactersInSet:whitespace];
2694         [trimmed addObject:trim];
2695     }
2696
2697     return [trimmed componentsJoinedByString:@"\n"];
2698 } }
2699
2700 - (NSString *) shortDescription {
2701     return parsed_ == NULL ? nil : static_cast<NSString *>(parsed_->tagline_);
2702 }
2703
2704 - (unichar) index {
2705     _profile(Package$index)
2706         CFStringRef name((CFStringRef) [self name]);
2707         if (CFStringGetLength(name) == 0)
2708             return '#';
2709         UniChar character(CFStringGetCharacterAtIndex(name, 0));
2710         if (!CFUniCharIsMemberOf(character, kCFUniCharLetterCharacterSet))
2711             return '#';
2712         return toupper(character);
2713     _end
2714 }
2715
2716 - (PackageValue *) metadata {
2717     return metadata_;
2718 }
2719
2720 - (time_t) seen {
2721     PackageValue *metadata([self metadata]);
2722     return metadata->subscribed_ ? metadata->last_ : metadata->first_;
2723 }
2724
2725 - (bool) subscribed {
2726     return [self metadata]->subscribed_;
2727 }
2728
2729 - (bool) setSubscribed:(bool)subscribed {
2730     PackageValue *metadata([self metadata]);
2731     if (metadata->subscribed_ == subscribed)
2732         return false;
2733     metadata->subscribed_ = subscribed;
2734     return true;
2735 }
2736
2737 - (BOOL) ignored {
2738     return ignored_;
2739 }
2740
2741 - (NSString *) latest {
2742     return latest_;
2743 }
2744
2745 - (NSString *) installed {
2746     return installed_;
2747 }
2748
2749 - (BOOL) uninstalled {
2750     return installed_.empty();
2751 }
2752
2753 - (BOOL) valid {
2754     return !version_.end();
2755 }
2756
2757 - (BOOL) upgradableAndEssential:(BOOL)essential {
2758     _profile(Package$upgradableAndEssential)
2759         pkgCache::VerIterator current(iterator_.CurrentVer());
2760         if (current.end())
2761             return essential && essential_;
2762         else
2763             return !version_.end() && version_ != current;
2764     _end
2765 }
2766
2767 - (BOOL) essential {
2768     return essential_;
2769 }
2770
2771 - (BOOL) broken {
2772     return [database_ cache][iterator_].InstBroken();
2773 }
2774
2775 - (BOOL) unfiltered {
2776     _profile(Package$unfiltered$obsolete)
2777         if (_unlikely(obsolete_))
2778             return false;
2779     _end
2780
2781     _profile(Package$unfiltered$hasSupportingRole)
2782         if (_unlikely(![self hasSupportingRole]))
2783             return false;
2784     _end
2785
2786     return true;
2787 }
2788
2789 - (BOOL) visible {
2790     if (![self unfiltered])
2791         return false;
2792
2793     NSString *section;
2794
2795     _profile(Package$visible$section)
2796         section = [self section];
2797     _end
2798
2799     _profile(Package$visible$isSectionVisible)
2800         if (!isSectionVisible(section))
2801             return false;
2802     _end
2803
2804     return true;
2805 }
2806
2807 - (BOOL) half {
2808     unsigned char current(iterator_->CurrentState);
2809     return current == pkgCache::State::HalfConfigured || current == pkgCache::State::HalfInstalled;
2810 }
2811
2812 - (BOOL) halfConfigured {
2813     return iterator_->CurrentState == pkgCache::State::HalfConfigured;
2814 }
2815
2816 - (BOOL) halfInstalled {
2817     return iterator_->CurrentState == pkgCache::State::HalfInstalled;
2818 }
2819
2820 - (BOOL) hasMode {
2821     pkgDepCache::StateCache &state([database_ cache][iterator_]);
2822     return state.Mode != pkgDepCache::ModeKeep;
2823 }
2824
2825 - (NSString *) mode {
2826     pkgDepCache::StateCache &state([database_ cache][iterator_]);
2827
2828     switch (state.Mode) {
2829         case pkgDepCache::ModeDelete:
2830             if ((state.iFlags & pkgDepCache::Purge) != 0)
2831                 return @"PURGE";
2832             else
2833                 return @"REMOVE";
2834         case pkgDepCache::ModeKeep:
2835             if ((state.iFlags & pkgDepCache::ReInstall) != 0)
2836                 return @"REINSTALL";
2837             /*else if ((state.iFlags & pkgDepCache::AutoKept) != 0)
2838                 return nil;*/
2839             else
2840                 return nil;
2841         case pkgDepCache::ModeInstall:
2842             /*if ((state.iFlags & pkgDepCache::ReInstall) != 0)
2843                 return @"REINSTALL";
2844             else*/ switch (state.Status) {
2845                 case -1:
2846                     return @"DOWNGRADE";
2847                 case 0:
2848                     return @"INSTALL";
2849                 case 1:
2850                     return @"UPGRADE";
2851                 case 2:
2852                     return @"NEW_INSTALL";
2853                 _nodefault
2854             }
2855         _nodefault
2856     }
2857 }
2858
2859 - (NSString *) id {
2860     return id_;
2861 }
2862
2863 - (NSString *) name {
2864     return name_.empty() ? id_ : name_;
2865 }
2866
2867 - (UIImage *) icon {
2868     NSString *section = [self simpleSection];
2869
2870     UIImage *icon(nil);
2871     if (parsed_ != NULL)
2872         if (NSString *href = parsed_->icon_)
2873             if ([href hasPrefix:@"file:///"])
2874                 // XXX: correct escaping
2875                 icon = [UIImage imageAtPath:[href substringFromIndex:7]];
2876     if (icon == nil) if (section != nil)
2877         icon = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, section]];
2878     if (icon == nil) if (Source *source = [self source]) if (NSString *dicon = [source defaultIcon])
2879         if ([dicon hasPrefix:@"file:///"])
2880             // XXX: correct escaping
2881             icon = [UIImage imageAtPath:[dicon substringFromIndex:7]];
2882     if (icon == nil)
2883         icon = [UIImage applicationImageNamed:@"unknown.png"];
2884     return icon;
2885 }
2886
2887 - (NSString *) homepage {
2888     return parsed_ == NULL ? nil : static_cast<NSString *>(parsed_->homepage_);
2889 }
2890
2891 - (NSString *) depiction {
2892     return parsed_ != NULL && !parsed_->depiction_.empty() ? parsed_->depiction_ : [[self source] depictionForPackage:id_];
2893 }
2894
2895 - (Address *) sponsor {
2896     return parsed_ == NULL || parsed_->sponsor_.empty() ? nil : [Address addressWithString:parsed_->sponsor_];
2897 }
2898
2899 - (Address *) author {
2900     return parsed_ == NULL || parsed_->author_.empty() ? nil : [Address addressWithString:parsed_->author_];
2901 }
2902
2903 - (NSString *) support {
2904     return parsed_ != NULL && !parsed_->bugs_.empty() ? parsed_->bugs_ : [[self source] supportForPackage:id_];
2905 }
2906
2907 - (NSArray *) files {
2908     NSString *path = [NSString stringWithFormat:@"/var/lib/dpkg/info/%@.list", static_cast<NSString *>(id_)];
2909     NSMutableArray *files = [NSMutableArray arrayWithCapacity:128];
2910
2911     std::ifstream fin;
2912     fin.open([path UTF8String]);
2913     if (!fin.is_open())
2914         return nil;
2915
2916     std::string line;
2917     while (std::getline(fin, line))
2918         [files addObject:[NSString stringWithUTF8String:line.c_str()]];
2919
2920     return files;
2921 }
2922
2923 - (NSString *) state {
2924 @synchronized (database_) {
2925     if ([database_ era] != era_ || file_.end())
2926         return nil;
2927
2928     switch (iterator_->CurrentState) {
2929         case pkgCache::State::NotInstalled:
2930             return @"NotInstalled";
2931         case pkgCache::State::UnPacked:
2932             return @"UnPacked";
2933         case pkgCache::State::HalfConfigured:
2934             return @"HalfConfigured";
2935         case pkgCache::State::HalfInstalled:
2936             return @"HalfInstalled";
2937         case pkgCache::State::ConfigFiles:
2938             return @"ConfigFiles";
2939         case pkgCache::State::Installed:
2940             return @"Installed";
2941         case pkgCache::State::TriggersAwaited:
2942             return @"TriggersAwaited";
2943         case pkgCache::State::TriggersPending:
2944             return @"TriggersPending";
2945     }
2946
2947     return (NSString *) [NSNull null];
2948 } }
2949
2950 - (NSString *) selection {
2951 @synchronized (database_) {
2952     if ([database_ era] != era_ || file_.end())
2953         return nil;
2954
2955     switch (iterator_->SelectedState) {
2956         case pkgCache::State::Unknown:
2957             return @"Unknown";
2958         case pkgCache::State::Install:
2959             return @"Install";
2960         case pkgCache::State::Hold:
2961             return @"Hold";
2962         case pkgCache::State::DeInstall:
2963             return @"DeInstall";
2964         case pkgCache::State::Purge:
2965             return @"Purge";
2966     }
2967
2968     return (NSString *) [NSNull null];
2969 } }
2970
2971 - (NSArray *) warnings {
2972     NSMutableArray *warnings([NSMutableArray arrayWithCapacity:4]);
2973     const char *name(iterator_.Name());
2974
2975     size_t length(strlen(name));
2976     if (length < 2) invalid:
2977         [warnings addObject:UCLocalize("ILLEGAL_PACKAGE_IDENTIFIER")];
2978     else for (size_t i(0); i != length; ++i)
2979         if (
2980             /* XXX: technically this is not allowed */
2981             (name[i] < 'A' || name[i] > 'Z') &&
2982             (name[i] < 'a' || name[i] > 'z') &&
2983             (name[i] < '0' || name[i] > '9') &&
2984             (i == 0 || name[i] != '+' && name[i] != '-' && name[i] != '.')
2985         ) goto invalid;
2986
2987     if (strcmp(name, "cydia") != 0) {
2988         bool cydia = false;
2989         bool user = false;
2990         bool _private = false;
2991         bool stash = false;
2992
2993         bool repository = [[self section] isEqualToString:@"Repositories"];
2994
2995         if (NSArray *files = [self files])
2996             for (NSString *file in files)
2997                 if (!cydia && [file isEqualToString:@"/Applications/Cydia.app"])
2998                     cydia = true;
2999                 else if (!user && [file isEqualToString:@"/User"])
3000                     user = true;
3001                 else if (!_private && [file isEqualToString:@"/private"])
3002                     _private = true;
3003                 else if (!stash && [file isEqualToString:@"/var/stash"])
3004                     stash = true;
3005
3006         /* XXX: this is not sensitive enough. only some folders are valid. */
3007         if (cydia && !repository)
3008             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"Cydia.app"]];
3009         if (user)
3010             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/User"]];
3011         if (_private)
3012             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/private"]];
3013         if (stash)
3014             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/var/stash"]];
3015     }
3016
3017     return [warnings count] == 0 ? nil : warnings;
3018 }
3019
3020 - (NSArray *) applications {
3021     NSString *me([[NSBundle mainBundle] bundleIdentifier]);
3022
3023     NSMutableArray *applications([NSMutableArray arrayWithCapacity:2]);
3024
3025     static Pcre application_r("^/Applications/(.*)\\.app/Info.plist$");
3026     if (NSArray *files = [self files])
3027         for (NSString *file in files)
3028             if (application_r(file)) {
3029                 NSDictionary *info([NSDictionary dictionaryWithContentsOfFile:file]);
3030                 NSString *id([info objectForKey:@"CFBundleIdentifier"]);
3031                 if ([id isEqualToString:me])
3032                     continue;
3033
3034                 NSString *display([info objectForKey:@"CFBundleDisplayName"]);
3035                 if (display == nil)
3036                     display = application_r[1];
3037
3038                 NSString *bundle([file stringByDeletingLastPathComponent]);
3039                 NSString *icon([info objectForKey:@"CFBundleIconFile"]);
3040                 if (icon == nil || [icon length] == 0)
3041                     icon = @"icon.png";
3042                 NSURL *url([NSURL fileURLWithPath:[bundle stringByAppendingPathComponent:icon]]);
3043
3044                 NSMutableArray *application([NSMutableArray arrayWithCapacity:2]);
3045                 [applications addObject:application];
3046
3047                 [application addObject:id];
3048                 [application addObject:display];
3049                 [application addObject:url];
3050             }
3051
3052     return [applications count] == 0 ? nil : applications;
3053 }
3054
3055 - (Source *) source {
3056     if (source_ == nil) {
3057         @synchronized (database_) {
3058             if ([database_ era] != era_ || file_.end())
3059                 source_ = (Source *) [NSNull null];
3060             else
3061                 source_ = [([database_ getSource:file_.File()] ?: (Source *) [NSNull null]) retain];
3062         }
3063     }
3064
3065     return source_ == (Source *) [NSNull null] ? nil : source_;
3066 }
3067
3068 - (BOOL) matches:(NSString *)text {
3069     if (text == nil)
3070         return NO;
3071
3072     NSRange range;
3073
3074     range = [[self id] rangeOfString:text options:MatchCompareOptions_];
3075     if (range.location != NSNotFound)
3076         return YES;
3077
3078     range = [[self name] rangeOfString:text options:MatchCompareOptions_];
3079     if (range.location != NSNotFound)
3080         return YES;
3081
3082     [self parse];
3083
3084     range = [[self shortDescription] rangeOfString:text options:MatchCompareOptions_];
3085     if (range.location != NSNotFound)
3086         return YES;
3087
3088     return NO;
3089 }
3090
3091 - (bool) hasSupportingRole {
3092     if (role_ == 0)
3093         return true;
3094     if (role_ == 1)
3095         return true;
3096     if ([Role_ isEqualToString:@"User"])
3097         return false;
3098     if (role_ == 2)
3099         return true;
3100     if ([Role_ isEqualToString:@"Hacker"])
3101         return false;
3102     if (role_ == 3)
3103         return true;
3104     if ([Role_ isEqualToString:@"Developer"])
3105         return false;
3106     _assert(false);
3107 }
3108
3109 - (NSArray *) tags {
3110     return tags_;
3111 }
3112
3113 - (BOOL) hasTag:(NSString *)tag {
3114     return tags_ == nil ? NO : [tags_ containsObject:tag];
3115 }
3116
3117 - (NSString *) primaryPurpose {
3118     for (NSString *tag in tags_)
3119         if ([tag hasPrefix:@"purpose::"])
3120             return [tag substringFromIndex:9];
3121     return nil;
3122 }
3123
3124 - (NSArray *) purposes {
3125     NSMutableArray *purposes([NSMutableArray arrayWithCapacity:2]);
3126     for (NSString *tag in tags_)
3127         if ([tag hasPrefix:@"purpose::"])
3128             [purposes addObject:[tag substringFromIndex:9]];
3129     return [purposes count] == 0 ? nil : purposes;
3130 }
3131
3132 - (bool) isCommercial {
3133     return [self hasTag:@"cydia::commercial"];
3134 }
3135
3136 - (void) setIndex:(size_t)index {
3137     if (metadata_->index_ != index)
3138         metadata_->index_ = index;
3139 }
3140
3141 - (CYString &) cyname {
3142     return name_.empty() ? id_ : name_;
3143 }
3144
3145 - (uint32_t) compareBySection:(NSArray *)sections {
3146     NSString *section([self section]);
3147     for (size_t i(0), e([sections count]); i != e; ++i) {
3148         if ([section isEqualToString:[[sections objectAtIndex:i] name]])
3149             return i;
3150     }
3151
3152     return _not(uint32_t);
3153 }
3154
3155 - (void) clear {
3156 @synchronized (database_) {
3157     pkgProblemResolver *resolver = [database_ resolver];
3158     resolver->Clear(iterator_);
3159
3160     pkgCacheFile &cache([database_ cache]);
3161     cache->SetReInstall(iterator_, false);
3162     cache->MarkKeep(iterator_, false);
3163 } }
3164
3165 - (void) install {
3166 @synchronized (database_) {
3167     pkgProblemResolver *resolver = [database_ resolver];
3168     resolver->Clear(iterator_);
3169     resolver->Protect(iterator_);
3170
3171     pkgCacheFile &cache([database_ cache]);
3172     cache->SetReInstall(iterator_, false);
3173     cache->MarkInstall(iterator_, false);
3174
3175     pkgDepCache::StateCache &state((*cache)[iterator_]);
3176     if (!state.Install())
3177         cache->SetReInstall(iterator_, true);
3178 } }
3179
3180 - (void) remove {
3181 @synchronized (database_) {
3182     pkgProblemResolver *resolver = [database_ resolver];
3183     resolver->Clear(iterator_);
3184     resolver->Remove(iterator_);
3185     resolver->Protect(iterator_);
3186
3187     pkgCacheFile &cache([database_ cache]);
3188     cache->SetReInstall(iterator_, false);
3189     cache->MarkDelete(iterator_, true);
3190 } }
3191
3192 - (bool) isUnfilteredAndSearchedForBy:(NSString *)search {
3193     _profile(Package$isUnfilteredAndSearchedForBy)
3194         bool value(true);
3195
3196         _profile(Package$isUnfilteredAndSearchedForBy$Unfiltered)
3197             value &= [self unfiltered];
3198         _end
3199
3200         _profile(Package$isUnfilteredAndSearchedForBy$Match)
3201             value &= [self matches:search];
3202         _end
3203
3204         return value;
3205     _end
3206 }
3207
3208 - (bool) isUnfilteredAndSelectedForBy:(NSString *)search {
3209     if ([search length] == 0)
3210         return false;
3211
3212     _profile(Package$isUnfilteredAndSelectedForBy)
3213         bool value(true);
3214
3215         _profile(Package$isUnfilteredAndSelectedForBy$Unfiltered)
3216             value &= [self unfiltered];
3217         _end
3218
3219         _profile(Package$isUnfilteredAndSelectedForBy$Match)
3220             value &= [[self name] compare:search options:MatchCompareOptions_ range:NSMakeRange(0, [search length])] == NSOrderedSame;
3221         _end
3222
3223         return value;
3224     _end
3225 }
3226
3227 - (bool) isInstalledAndUnfiltered:(NSNumber *)number {
3228     return ![self uninstalled] && (![number boolValue] && role_ != 7 || [self unfiltered]);
3229 }
3230
3231 - (bool) isVisibleInSection:(NSString *)name {
3232     NSString *section([self section]);
3233
3234     return (
3235         name == nil ||
3236         section == nil && [name length] == 0 ||
3237         [name isEqualToString:section]
3238     ) && [self visible];
3239 }
3240
3241 - (bool) isVisibleInSource:(Source *)source {
3242     return [self source] == source && [self visible];
3243 }
3244
3245 @end
3246 /* }}} */
3247 /* Section Class {{{ */
3248 @interface Section : NSObject {
3249     NSString *name_;
3250     unichar index_;
3251     size_t row_;
3252     size_t count_;
3253     NSString *localized_;
3254 }
3255
3256 - (NSComparisonResult) compareByLocalized:(Section *)section;
3257 - (Section *) initWithName:(NSString *)name localized:(NSString *)localized;
3258 - (Section *) initWithName:(NSString *)name localize:(BOOL)localize;
3259 - (Section *) initWithName:(NSString *)name row:(size_t)row localize:(BOOL)localize;
3260 - (Section *) initWithIndex:(unichar)index row:(size_t)row;
3261 - (NSString *) name;
3262 - (unichar) index;
3263
3264 - (size_t) row;
3265 - (size_t) count;
3266
3267 - (void) addToRow;
3268 - (void) addToCount;
3269
3270 - (void) setCount:(size_t)count;
3271 - (NSString *) localized;
3272
3273 @end
3274
3275 @implementation Section
3276
3277 - (void) dealloc {
3278     [name_ release];
3279     if (localized_ != nil)
3280         [localized_ release];
3281     [super dealloc];
3282 }
3283
3284 - (NSComparisonResult) compareByLocalized:(Section *)section {
3285     NSString *lhs(localized_);
3286     NSString *rhs([section localized]);
3287
3288     /*if ([lhs length] != 0 && [rhs length] != 0) {
3289         unichar lhc = [lhs characterAtIndex:0];
3290         unichar rhc = [rhs characterAtIndex:0];
3291
3292         if (isalpha(lhc) && !isalpha(rhc))
3293             return NSOrderedAscending;
3294         else if (!isalpha(lhc) && isalpha(rhc))
3295             return NSOrderedDescending;
3296     }*/
3297
3298     return [lhs compare:rhs options:LaxCompareOptions_];
3299 }
3300
3301 - (Section *) initWithName:(NSString *)name localized:(NSString *)localized {
3302     if ((self = [self initWithName:name localize:NO]) != nil) {
3303         if (localized != nil)
3304             localized_ = [localized retain];
3305     } return self;
3306 }
3307
3308 - (Section *) initWithName:(NSString *)name localize:(BOOL)localize {
3309     return [self initWithName:name row:0 localize:localize];
3310 }
3311
3312 - (Section *) initWithName:(NSString *)name row:(size_t)row localize:(BOOL)localize {
3313     if ((self = [super init]) != nil) {
3314         name_ = [name retain];
3315         index_ = '\0';
3316         row_ = row;
3317         if (localize)
3318             localized_ = [LocalizeSection(name_) retain];
3319     } return self;
3320 }
3321
3322 /* XXX: localize the index thingees */
3323 - (Section *) initWithIndex:(unichar)index row:(size_t)row {
3324     if ((self = [super init]) != nil) {
3325         name_ = [[NSString stringWithCharacters:&index length:1] retain];
3326         index_ = index;
3327         row_ = row;
3328     } return self;
3329 }
3330
3331 - (NSString *) name {
3332     return name_;
3333 }
3334
3335 - (unichar) index {
3336     return index_;
3337 }
3338
3339 - (size_t) row {
3340     return row_;
3341 }
3342
3343 - (size_t) count {
3344     return count_;
3345 }
3346
3347 - (void) addToRow {
3348     ++row_;
3349 }
3350
3351 - (void) addToCount {
3352     ++count_;
3353 }
3354
3355 - (void) setCount:(size_t)count {
3356     count_ = count;
3357 }
3358
3359 - (NSString *) localized {
3360     return localized_;
3361 }
3362
3363 @end
3364 /* }}} */
3365
3366 static NSString *Colon_;
3367 static NSString *Elision_;
3368 static NSString *Error_;
3369 static NSString *Warning_;
3370
3371 /* Database Implementation {{{ */
3372 @implementation Database
3373
3374 + (Database *) sharedInstance {
3375     static Database *instance;
3376     if (instance == nil)
3377         instance = [[Database alloc] init];
3378     return instance;
3379 }
3380
3381 - (unsigned) era {
3382     return era_;
3383 }
3384
3385 - (void) releasePackages {
3386     CFArrayApplyFunction(packages_, CFRangeMake(0, CFArrayGetCount(packages_)), reinterpret_cast<CFArrayApplierFunction>(&CFRelease), NULL);
3387     CFArrayRemoveAllValues(packages_);
3388 }
3389
3390 - (void) dealloc {
3391     // XXX: actually implement this thing
3392     _assert(false);
3393     [sourceList_ release];
3394     [self releasePackages];
3395     apr_pool_destroy(pool_);
3396     NSRecycleZone(zone_);
3397     [super dealloc];
3398 }
3399
3400 - (void) _readCydia:(NSNumber *)fd { _pooled
3401     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3402     std::istream is(&ib);
3403     std::string line;
3404
3405     static Pcre finish_r("^finish:([^:]*)$");
3406
3407     while (std::getline(is, line)) {
3408         const char *data(line.c_str());
3409         size_t size = line.size();
3410         lprintf("C:%s\n", data);
3411
3412         if (finish_r(data, size)) {
3413             NSString *finish = finish_r[1];
3414             int index = [Finishes_ indexOfObject:finish];
3415             if (index != INT_MAX && index > Finish_)
3416                 Finish_ = index;
3417         }
3418     }
3419
3420     _assume(false);
3421 }
3422
3423 - (void) _readStatus:(NSNumber *)fd { _pooled
3424     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3425     std::istream is(&ib);
3426     std::string line;
3427
3428     static Pcre conffile_r("^status: [^ ]* : conffile-prompt : (.*?) *$");
3429     static Pcre pmstatus_r("^([^:]*):([^:]*):([^:]*):(.*)$");
3430
3431     while (std::getline(is, line)) {
3432         const char *data(line.c_str());
3433         size_t size(line.size());
3434         lprintf("S:%s\n", data);
3435
3436         if (conffile_r(data, size)) {
3437             // status: /fail : conffile-prompt : '/fail' '/fail.dpkg-new' 1 1
3438             [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:conffile_r[1] waitUntilDone:YES];
3439         } else if (strncmp(data, "status: ", 8) == 0) {
3440             // status: <package>: {unpacked,half-configured,installed}
3441             CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:(data + 8)] ofType:@"STATUS"]);
3442             [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3443         } else if (strncmp(data, "processing: ", 12) == 0) {
3444             // processing: configure: config-test
3445             CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:(data + 12)] ofType:@"STATUS"]);
3446             [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3447         } else if (pmstatus_r(data, size)) {
3448             std::string type([pmstatus_r[1] UTF8String]);
3449
3450             NSString *package = pmstatus_r[2];
3451             if ([package isEqualToString:@"dpkg-exec"])
3452                 package = nil;
3453
3454             float percent([pmstatus_r[3] floatValue]);
3455             [progress_ performSelectorOnMainThread:@selector(setProgressPercent:) withObject:[NSNumber numberWithFloat:(percent / 100)] waitUntilDone:YES];
3456
3457             NSString *string = pmstatus_r[4];
3458
3459             if (type == "pmerror") {
3460                 CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:@"ERROR" forPackage:package]);
3461                 [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3462             } else if (type == "pmstatus") {
3463                 CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:@"STATUS" forPackage:package]);
3464                 [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3465             } else if (type == "pmconffile")
3466                 [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:string waitUntilDone:YES];
3467             else
3468                 lprintf("E:unknown pmstatus\n");
3469         } else
3470             lprintf("E:unknown status\n");
3471     }
3472
3473     _assume(false);
3474 }
3475
3476 - (void) _readOutput:(NSNumber *)fd { _pooled
3477     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3478     std::istream is(&ib);
3479     std::string line;
3480
3481     while (std::getline(is, line)) {
3482         lprintf("O:%s\n", line.c_str());
3483
3484         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:line.c_str()] ofType:@"INFORMATION"]);
3485         [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3486     }
3487
3488     _assume(false);
3489 }
3490
3491 - (FILE *) input {
3492     return input_;
3493 }
3494
3495 - (Package *) packageWithName:(NSString *)name {
3496 @synchronized (self) {
3497     if (static_cast<pkgDepCache *>(cache_) == NULL)
3498         return nil;
3499     pkgCache::PkgIterator iterator(cache_->FindPkg([name UTF8String]));
3500     return iterator.end() ? nil : [Package packageWithIterator:iterator withZone:NULL inPool:pool_ database:self];
3501 } }
3502
3503 - (id) init {
3504     if ((self = [super init]) != nil) {
3505         policy_ = NULL;
3506         records_ = NULL;
3507         resolver_ = NULL;
3508         fetcher_ = NULL;
3509         lock_ = NULL;
3510
3511         zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
3512         apr_pool_create(&pool_, NULL);
3513
3514         size_t capacity(MetaFile_->active_);
3515         if (capacity == 0)
3516             capacity = 16384;
3517         else
3518             capacity += 1024;
3519
3520         packages_ = CFArrayCreateMutable(kCFAllocatorDefault, capacity, NULL);
3521         sourceList_ = [[NSMutableArray alloc] initWithCapacity:16];
3522
3523         int fds[2];
3524
3525         _assert(pipe(fds) != -1);
3526         cydiafd_ = fds[1];
3527
3528         _config->Set("APT::Keep-Fds::", cydiafd_);
3529         setenv("CYDIA", [[[[NSNumber numberWithInt:cydiafd_] stringValue] stringByAppendingString:@" 1"] UTF8String], _not(int));
3530
3531         [NSThread
3532             detachNewThreadSelector:@selector(_readCydia:)
3533             toTarget:self
3534             withObject:[NSNumber numberWithInt:fds[0]]
3535         ];
3536
3537         _assert(pipe(fds) != -1);
3538         statusfd_ = fds[1];
3539
3540         [NSThread
3541             detachNewThreadSelector:@selector(_readStatus:)
3542             toTarget:self
3543             withObject:[NSNumber numberWithInt:fds[0]]
3544         ];
3545
3546         _assert(pipe(fds) != -1);
3547         _assert(dup2(fds[0], 0) != -1);
3548         _assert(close(fds[0]) != -1);
3549
3550         input_ = fdopen(fds[1], "a");
3551
3552         _assert(pipe(fds) != -1);
3553         _assert(dup2(fds[1], 1) != -1);
3554         _assert(close(fds[1]) != -1);
3555
3556         [NSThread
3557             detachNewThreadSelector:@selector(_readOutput:)
3558             toTarget:self
3559             withObject:[NSNumber numberWithInt:fds[0]]
3560         ];
3561     } return self;
3562 }
3563
3564 - (pkgCacheFile &) cache {
3565     return cache_;
3566 }
3567
3568 - (pkgDepCache::Policy *) policy {
3569     return policy_;
3570 }
3571
3572 - (pkgRecords *) records {
3573     return records_;
3574 }
3575
3576 - (pkgProblemResolver *) resolver {
3577     return resolver_;
3578 }
3579
3580 - (pkgAcquire &) fetcher {
3581     return *fetcher_;
3582 }
3583
3584 - (pkgSourceList &) list {
3585     return *list_;
3586 }
3587
3588 - (NSArray *) packages {
3589     return (NSArray *) packages_;
3590 }
3591
3592 - (NSArray *) sources {
3593     return sourceList_;
3594 }
3595
3596 - (Source *) sourceWithKey:(NSString *)key {
3597     for (Source *source in [self sources]) {
3598         if ([[source key] isEqualToString:key])
3599             return source;
3600     } return nil;
3601 }
3602
3603 - (bool) popErrorWithTitle:(NSString *)title {
3604     bool fatal(false);
3605
3606     while (!_error->empty()) {
3607         std::string error;
3608         bool warning(!_error->PopMessage(error));
3609         if (!warning)
3610             fatal = true;
3611
3612         for (;;) {
3613             size_t size(error.size());
3614             if (size == 0 || error[size - 1] != '\n')
3615                 break;
3616             error.resize(size - 1);
3617         }
3618
3619         lprintf("%c:[%s]\n", warning ? 'W' : 'E', error.c_str());
3620
3621         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? @"WARNING" : @"ERROR")] forTask:title];
3622     }
3623
3624     return fatal;
3625 }
3626
3627 - (bool) popErrorWithTitle:(NSString *)title forOperation:(bool)success {
3628     return [self popErrorWithTitle:title] || !success;
3629 }
3630
3631 - (void) reloadDataWithInvocation:(NSInvocation *)invocation { CYPoolStart() {
3632 @synchronized (self) {
3633     ++era_;
3634
3635     [self releasePackages];
3636
3637     sourceMap_.clear();
3638     [sourceList_ removeAllObjects];
3639
3640     _error->Discard();
3641
3642     delete list_;
3643     list_ = NULL;
3644     manager_ = NULL;
3645     delete lock_;
3646     lock_ = NULL;
3647     delete fetcher_;
3648     fetcher_ = NULL;
3649     delete resolver_;
3650     resolver_ = NULL;
3651     delete records_;
3652     records_ = NULL;
3653     delete policy_;
3654     policy_ = NULL;
3655
3656     cache_.Close();
3657
3658     apr_pool_clear(pool_);
3659
3660     NSRecycleZone(zone_);
3661     zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
3662
3663     int chk(creat("/tmp/cydia.chk", 0644));
3664     if (chk != -1)
3665         close(chk);
3666
3667     if (invocation != nil)
3668         [invocation invoke];
3669
3670     NSString *title(UCLocalize("DATABASE"));
3671
3672     _trace();
3673     OpProgress progress;
3674     while (!cache_.Open(progress, true)) { pop:
3675         std::string error;
3676         bool warning(!_error->PopMessage(error));
3677         lprintf("cache_.Open():[%s]\n", error.c_str());
3678
3679         if (error == "dpkg was interrupted, you must manually run 'dpkg --configure -a' to correct the problem. ")
3680             [delegate_ repairWithSelector:@selector(configure)];
3681         else if (error == "The package lists or status file could not be parsed or opened.")
3682             [delegate_ repairWithSelector:@selector(update)];
3683         // else if (error == "Could not get lock /var/lib/dpkg/lock - open (35 Resource temporarily unavailable)")
3684         // else if (error == "Could not open lock file /var/lib/dpkg/lock - open (13 Permission denied)")
3685         // else if (error == "Malformed Status line")
3686         // else if (error == "The list of sources could not be read.")
3687         else {
3688             [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? @"WARNING" : @"ERROR")] forTask:title];
3689             return;
3690         }
3691
3692         if (warning)
3693             goto pop;
3694         _error->Discard();
3695     }
3696     _trace();
3697
3698     unlink("/tmp/cydia.chk");
3699
3700     now_ = [[NSDate date] timeIntervalSince1970];
3701
3702     policy_ = new pkgDepCache::Policy();
3703     records_ = new pkgRecords(cache_);
3704     resolver_ = new pkgProblemResolver(cache_);
3705     fetcher_ = new pkgAcquire(&status_);
3706     lock_ = NULL;
3707
3708     list_ = new pkgSourceList();
3709     if ([self popErrorWithTitle:title forOperation:list_->ReadMainList()])
3710         return;
3711
3712     if (cache_->DelCount() != 0 || cache_->InstCount() != 0) {
3713         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("COUNTS_NONZERO_EX") ofType:@"ERROR"] forTask:title];
3714         return;
3715     }
3716
3717     if ([self popErrorWithTitle:title forOperation:pkgApplyStatus(cache_)])
3718         return;
3719
3720     if (cache_->BrokenCount() != 0) {
3721         if ([self popErrorWithTitle:title forOperation:pkgFixBroken(cache_)])
3722             return;
3723
3724         if (cache_->BrokenCount() != 0) {
3725             [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("STILL_BROKEN_EX") ofType:@"ERROR"] forTask:title];
3726             return;
3727         }
3728
3729         if ([self popErrorWithTitle:title forOperation:pkgMinimizeUpgrade(cache_)])
3730             return;
3731     }
3732
3733     for (pkgSourceList::const_iterator source = list_->begin(); source != list_->end(); ++source) {
3734         Source *object([[[Source alloc] initWithMetaIndex:*source inPool:pool_] autorelease]);
3735         [sourceList_ addObject:object];
3736
3737         std::vector<pkgIndexFile *> *indices = (*source)->GetIndexFiles();
3738         for (std::vector<pkgIndexFile *>::const_iterator index = indices->begin(); index != indices->end(); ++index)
3739             // XXX: this could be more intelligent
3740             if (dynamic_cast<debPackagesIndex *>(*index) != NULL) {
3741                 pkgCache::PkgFileIterator cached((*index)->FindInCache(cache_));
3742                 if (!cached.end())
3743                     sourceMap_[cached->ID] = object;
3744             }
3745     }
3746
3747     {
3748         /*std::vector<Package *> packages;
3749         packages.reserve(std::max(10000U, [packages_ count] + 1000));
3750         [packages_ release];
3751         packages_ = nil;*/
3752
3753         _trace();
3754
3755         for (pkgCache::PkgIterator iterator = cache_->PkgBegin(); !iterator.end(); ++iterator)
3756             if (Package *package = [Package packageWithIterator:iterator withZone:zone_ inPool:pool_ database:self])
3757                 //packages.push_back(package);
3758                 CFArrayAppendValue(packages_, [package retain]);
3759
3760         _trace();
3761
3762         /*if (packages.empty())
3763             packages_ = [[NSArray alloc] init];
3764         else
3765             packages_ = [[NSArray alloc] initWithObjects:&packages.front() count:packages.size()];
3766         _trace();*/
3767
3768         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(16)];
3769         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(4)];
3770         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(0)];
3771
3772         /*_trace();
3773         PrintTimes();
3774         _trace();*/
3775
3776         _trace();
3777
3778         /*if (!packages.empty())
3779             CFQSortArray(&packages.front(), packages.size(), sizeof(packages.front()), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare_), NULL);*/
3780         //std::sort(packages.begin(), packages.end(), PackageNameOrdering());
3781
3782         //CFArraySortValues((CFMutableArrayRef) packages_, CFRangeMake(0, [packages_ count]), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare), NULL);
3783
3784         CFArrayInsertionSortValues(packages_, CFRangeMake(0, CFArrayGetCount(packages_)), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare), NULL);
3785
3786         //[packages_ sortUsingFunction:reinterpret_cast<NSComparisonResult (*)(id, id, void *)>(&PackageNameCompare) context:NULL];
3787
3788         _trace();
3789
3790         size_t count(CFArrayGetCount(packages_));
3791         MetaFile_->active_ = count;
3792
3793         for (size_t index(0); index != count; ++index)
3794             [(Package *) CFArrayGetValueAtIndex(packages_, index) setIndex:index];
3795
3796         _trace();
3797     }
3798 } } CYPoolEnd() _trace(); }
3799
3800 - (void) clear {
3801 @synchronized (self) {
3802     delete resolver_;
3803     resolver_ = new pkgProblemResolver(cache_);
3804
3805     for (pkgCache::PkgIterator iterator(cache_->PkgBegin()); !iterator.end(); ++iterator)
3806         if (!cache_[iterator].Keep())
3807             cache_->MarkKeep(iterator, false);
3808         else if ((cache_[iterator].iFlags & pkgDepCache::ReInstall) != 0)
3809             cache_->SetReInstall(iterator, false);
3810 } }
3811
3812 - (void) configure {
3813     NSString *dpkg = [NSString stringWithFormat:@"dpkg --configure -a --status-fd %u", statusfd_];
3814     _trace();
3815     system([dpkg UTF8String]);
3816     _trace();
3817 }
3818
3819 - (bool) clean {
3820     // XXX: I don't remember this condition
3821     if (lock_ != NULL)
3822         return false;
3823
3824     FileFd Lock;
3825     Lock.Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
3826
3827     NSString *title(UCLocalize("CLEAN_ARCHIVES"));
3828
3829     if ([self popErrorWithTitle:title])
3830         return false;
3831
3832     pkgAcquire fetcher;
3833     fetcher.Clean(_config->FindDir("Dir::Cache::Archives"));
3834
3835     class LogCleaner :
3836         public pkgArchiveCleaner
3837     {
3838       protected:
3839         virtual void Erase(const char *File, std::string Pkg, std::string Ver, struct stat &St) {
3840             unlink(File);
3841         }
3842     } cleaner;
3843
3844     if ([self popErrorWithTitle:title forOperation:cleaner.Go(_config->FindDir("Dir::Cache::Archives") + "partial/", cache_)])
3845         return false;
3846
3847     return true;
3848 }
3849
3850 - (bool) prepare {
3851     fetcher_->Shutdown();
3852
3853     pkgRecords records(cache_);
3854
3855     lock_ = new FileFd();
3856     lock_->Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
3857
3858     NSString *title(UCLocalize("PREPARE_ARCHIVES"));
3859
3860     if ([self popErrorWithTitle:title])
3861         return false;
3862
3863     pkgSourceList list;
3864     if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3865         return false;
3866
3867     manager_ = (_system->CreatePM(cache_));
3868     if ([self popErrorWithTitle:title forOperation:manager_->GetArchives(fetcher_, &list, &records)])
3869         return false;
3870
3871     return true;
3872 }
3873
3874 - (void) perform {
3875     bool substrate(RestartSubstrate_);
3876     RestartSubstrate_ = false;
3877
3878     NSString *title(UCLocalize("PERFORM_SELECTIONS"));
3879
3880     NSMutableArray *before = [NSMutableArray arrayWithCapacity:16]; {
3881         pkgSourceList list;
3882         if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3883             return;
3884         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
3885             [before addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
3886     }
3887
3888     [delegate_ performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3889
3890     if (fetcher_->Run(PulseInterval_) != pkgAcquire::Continue) {
3891         _trace();
3892         [self popErrorWithTitle:title];
3893         return;
3894     }
3895
3896     bool failed = false;
3897     for (pkgAcquire::ItemIterator item = fetcher_->ItemsBegin(); item != fetcher_->ItemsEnd(); item++) {
3898         if ((*item)->Status == pkgAcquire::Item::StatDone && (*item)->Complete)
3899             continue;
3900         if ((*item)->Status == pkgAcquire::Item::StatIdle)
3901             continue;
3902
3903         failed = true;
3904     }
3905
3906     [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3907
3908     if (failed) {
3909         _trace();
3910         return;
3911     }
3912
3913     if (substrate)
3914         RestartSubstrate_ = true;
3915
3916     _system->UnLock();
3917     pkgPackageManager::OrderResult result = manager_->DoInstall(statusfd_);
3918
3919     if (_error->PendingError()) {
3920         _trace();
3921         return;
3922     }
3923
3924     if (result == pkgPackageManager::Failed) {
3925         _trace();
3926         return;
3927     }
3928
3929     if (result != pkgPackageManager::Completed) {
3930         _trace();
3931         return;
3932     }
3933
3934     NSMutableArray *after = [NSMutableArray arrayWithCapacity:16]; {
3935         pkgSourceList list;
3936         if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3937             return;
3938         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
3939             [after addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
3940     }
3941
3942     if (![before isEqualToArray:after])
3943         [self update];
3944 }
3945
3946 - (bool) upgrade {
3947     NSString *title(UCLocalize("UPGRADE"));
3948     if ([self popErrorWithTitle:title forOperation:pkgDistUpgrade(cache_)])
3949         return false;
3950     return true;
3951 }
3952
3953 - (void) update {
3954     [self updateWithStatus:status_];
3955 }
3956
3957 - (void) updateWithStatus:(Status &)status {
3958     NSString *title(UCLocalize("REFRESHING_DATA"));
3959
3960     pkgSourceList list;
3961     if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3962         return;
3963
3964     FileFd lock;
3965     lock.Fd(GetLock(_config->FindDir("Dir::State::Lists") + "lock"));
3966     if ([self popErrorWithTitle:title])
3967         return;
3968
3969     [delegate_ performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3970
3971     bool success(ListUpdate(status, list, PulseInterval_));
3972     if (status.WasCancelled())
3973         _error->Discard();
3974     else
3975         [self popErrorWithTitle:title forOperation:success];
3976
3977     [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3978
3979     [Metadata_ setObject:[NSDate date] forKey:@"LastUpdate"];
3980     Changed_ = true;
3981 }
3982
3983 - (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate {
3984     delegate_ = delegate;
3985 }
3986
3987 - (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate {
3988     progress_ = delegate;
3989     status_.setDelegate(delegate);
3990 }
3991
3992 - (NSObject<ProgressDelegate> *) progressDelegate {
3993     return progress_;
3994 }
3995
3996 - (Source *) getSource:(pkgCache::PkgFileIterator)file {
3997     SourceMap::const_iterator i(sourceMap_.find(file->ID));
3998     return i == sourceMap_.end() ? nil : i->second;
3999 }
4000
4001 - (NSString *) mappedSectionForPointer:(const char *)section {
4002     _H<NSString> *mapped;
4003
4004     _profile(Database$mappedSectionForPointer$Cache)
4005         mapped = &sections_[section];
4006     _end
4007
4008     if (*mapped == NULL) {
4009         size_t length(strlen(section));
4010         char spaced[length + 1];
4011
4012         _profile(Database$mappedSectionForPointer$Replace)
4013             for (size_t index(0); index != length; ++index)
4014                 spaced[index] = section[index] == '_' ? ' ' : section[index];
4015             spaced[length] = '\0';
4016         _end
4017
4018         NSString *string;
4019
4020         _profile(Database$mappedSectionForPointer$stringWithUTF8String)
4021             string = [NSString stringWithUTF8String:spaced];
4022         _end
4023
4024         _profile(Database$mappedSectionForPointer$Map)
4025             string = [SectionMap_ objectForKey:string] ?: string;
4026         _end
4027
4028         *mapped = string;
4029     } return *mapped;
4030 }
4031
4032 @end
4033 /* }}} */
4034
4035 /* Web Scripting {{{ */
4036 @interface CydiaObject : NSObject {
4037     id indirect_;
4038     _transient id delegate_;
4039 }
4040
4041 - (id) initWithDelegate:(IndirectDelegate *)indirect;
4042
4043 @end
4044
4045 @implementation CydiaObject
4046
4047 - (void) dealloc {
4048     [indirect_ release];
4049     [super dealloc];
4050 }
4051
4052 - (id) initWithDelegate:(IndirectDelegate *)indirect {
4053     if ((self = [super init]) != nil) {
4054         indirect_ = [indirect retain];
4055     } return self;
4056 }
4057
4058 - (void) setDelegate:(id)delegate {
4059     delegate_ = delegate;
4060 }
4061
4062 + (NSArray *) _attributeKeys {
4063     return [NSArray arrayWithObjects:
4064         @"device",
4065         @"ecid",
4066         @"firmware",
4067         @"hostname",
4068         @"idiom",
4069         @"model",
4070         @"plmn",
4071         @"role",
4072         @"serial",
4073         @"token",
4074         @"version",
4075     nil];
4076 }
4077
4078 - (NSArray *) attributeKeys {
4079     return [[self class] _attributeKeys];
4080 }
4081
4082 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
4083     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
4084 }
4085
4086 - (NSString *) version {
4087     return @ Cydia_;
4088 }
4089
4090 - (NSString *) device {
4091     return [[UIDevice currentDevice] uniqueIdentifier];
4092 }
4093
4094 - (NSString *) firmware {
4095     return [[UIDevice currentDevice] systemVersion];
4096 }
4097
4098 - (NSString *) hostname {
4099     return [[UIDevice currentDevice] name];
4100 }
4101
4102 - (NSString *) idiom {
4103     return (id) Idiom_ ?: [NSNull null];
4104 }
4105
4106 - (NSString *) plmn {
4107     return (id) PLMN_ ?: [NSNull null];
4108 }
4109
4110 - (NSString *) ecid {
4111     return (id) ChipID_ ?: [NSNull null];
4112 }
4113
4114 - (NSString *) serial {
4115     return SerialNumber_;
4116 }
4117
4118 - (NSString *) role {
4119     return (id) Role_ ?: [NSNull null];
4120 }
4121
4122 - (NSString *) model {
4123     return [NSString stringWithUTF8String:Machine_];
4124 }
4125
4126 - (NSString *) token {
4127     return (id) Token_ ?: [NSNull null];
4128 }
4129
4130 + (NSString *) webScriptNameForSelector:(SEL)selector {
4131     if (false);
4132     else if (selector == @selector(addCydiaHost:))
4133         return @"addCydiaHost";
4134     else if (selector == @selector(addTrivialSource:))
4135         return @"addTrivialSource";
4136     else if (selector == @selector(close))
4137         return @"close";
4138     else if (selector == @selector(du:))
4139         return @"du";
4140     else if (selector == @selector(stringWithFormat:arguments:))
4141         return @"format";
4142     else if (selector == @selector(getAllSources))
4143         return @"getAllSourcs";
4144     else if (selector == @selector(getKernelNumber:))
4145         return @"getKernelNumber";
4146     else if (selector == @selector(getKernelString:))
4147         return @"getKernelString";
4148     else if (selector == @selector(getInstalledPackages))
4149         return @"getInstalledPackages";
4150     else if (selector == @selector(getPackageById:))
4151         return @"getPackageById";
4152     else if (selector == @selector(installPackages:))
4153         return @"installPackages";
4154     else if (selector == @selector(localizedStringForKey:value:table:))
4155         return @"localize";
4156     else if (selector == @selector(refreshSources))
4157         return @"refreshSources";
4158     else if (selector == @selector(removeButton))
4159         return @"removeButton";
4160     else if (selector == @selector(substitutePackageNames:))
4161         return @"substitutePackageNames";
4162     else if (selector == @selector(scrollToBottom:))
4163         return @"scrollToBottom";
4164     else if (selector == @selector(setAllowsNavigationAction:))
4165         return @"setAllowsNavigationAction";
4166     else if (selector == @selector(setButtonImage:withStyle:toFunction:))
4167         return @"setButtonImage";
4168     else if (selector == @selector(setButtonTitle:withStyle:toFunction:))
4169         return @"setButtonTitle";
4170     else if (selector == @selector(setHidesBackButton:))
4171         return @"setHidesBackButton";
4172     else if (selector == @selector(setHidesNavigationBar:))
4173         return @"setHidesNavigationBar";
4174     else if (selector == @selector(setNavigationBarStyle:))
4175         return @"setNavigationBarStyle";
4176     else if (selector == @selector(setNavigationBarTintRed:green:blue:alpha:))
4177         return @"setNavigationBarTintColor";
4178     else if (selector == @selector(setPopupHook:))
4179         return @"setPopupHook";
4180     else if (selector == @selector(setToken:))
4181         return @"setToken";
4182     else if (selector == @selector(setViewportWidth:))
4183         return @"setViewportWidth";
4184     else if (selector == @selector(statfs:))
4185         return @"statfs";
4186     else if (selector == @selector(supports:))
4187         return @"supports";
4188     else
4189         return nil;
4190 }
4191
4192 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
4193     return [self webScriptNameForSelector:selector] == nil;
4194 }
4195
4196 - (BOOL) supports:(NSString *)feature {
4197     return [feature isEqualToString:@"window.open"];
4198 }
4199
4200 - (NSNumber *) getKernelNumber:(NSString *)name {
4201     const char *string([name UTF8String]);
4202
4203     size_t size;
4204     if (sysctlbyname(string, NULL, &size, NULL, 0) == -1)
4205         return (id) [NSNull null];
4206
4207     if (size != sizeof(int))
4208         return (id) [NSNull null];
4209
4210     int value;
4211     if (sysctlbyname(string, &value, &size, NULL, 0) == -1)
4212         return (id) [NSNull null];
4213
4214     return [NSNumber numberWithInt:value];
4215 }
4216
4217 - (NSString *) getKernelString:(NSString *)name {
4218     const char *string([name UTF8String]);
4219
4220     size_t size;
4221     if (sysctlbyname(string, NULL, &size, NULL, 0) == -1)
4222         return (id) [NSNull null];
4223
4224     char value[size + 1];
4225     if (sysctlbyname(string, value, &size, NULL, 0) == -1)
4226         return (id) [NSNull null];
4227
4228     // XXX: just in case you request something ludicrous
4229     value[size] = '\0';
4230
4231     return [NSString stringWithCString:value];
4232 }
4233
4234 - (void) addCydiaHost:(NSString *)host {
4235     [CydiaHosts_ performSelectorOnMainThread:@selector(addObject:) withObject:host waitUntilDone:NO];
4236 }
4237
4238 - (void) addTrivialSource:(NSString *)href {
4239     [delegate_ performSelectorOnMainThread:@selector(addTrivialSource:) withObject:href waitUntilDone:NO];
4240 }
4241
4242 - (void) refreshSources {
4243     [delegate_ performSelectorOnMainThread:@selector(syncData) withObject:nil waitUntilDone:NO];
4244 }
4245
4246 - (NSArray *) getAllSources {
4247     return [[Database sharedInstance] sources];
4248 }
4249
4250 - (NSArray *) getInstalledPackages {
4251     Database *database([Database sharedInstance]);
4252 @synchronized (database) {
4253     NSArray *packages([database packages]);
4254     NSMutableArray *installed([NSMutableArray arrayWithCapacity:1024]);
4255     for (Package *package in packages)
4256         if (![package uninstalled])
4257             [installed addObject:package];
4258     return installed;
4259 } }
4260
4261 - (Package *) getPackageById:(NSString *)id {
4262     if (Package *package = [[Database sharedInstance] packageWithName:id]) {
4263         [package parse];
4264         return package;
4265     } else
4266         return (Package *) [NSNull null];
4267 }
4268
4269 - (NSArray *) statfs:(NSString *)path {
4270     struct statfs stat;
4271
4272     if (path == nil || statfs([path UTF8String], &stat) == -1)
4273         return nil;
4274
4275     return [NSArray arrayWithObjects:
4276         [NSNumber numberWithUnsignedLong:stat.f_bsize],
4277         [NSNumber numberWithUnsignedLong:stat.f_blocks],
4278         [NSNumber numberWithUnsignedLong:stat.f_bfree],
4279     nil];
4280 }
4281
4282 - (NSNumber *) du:(NSString *)path {
4283     NSNumber *value(nil);
4284
4285     int fds[2];
4286     _assert(pipe(fds) != -1);
4287
4288     pid_t pid(ExecFork());
4289     if (pid == 0) {
4290         _assert(dup2(fds[1], 1) != -1);
4291         _assert(close(fds[0]) != -1);
4292         _assert(close(fds[1]) != -1);
4293         /* XXX: this should probably not use du */
4294         execl("/usr/libexec/cydia/du", "du", "-s", [path UTF8String], NULL);
4295         exit(1);
4296         _assert(false);
4297     }
4298
4299     _assert(close(fds[1]) != -1);
4300
4301     if (FILE *du = fdopen(fds[0], "r")) {
4302         char line[1024];
4303         while (fgets(line, sizeof(line), du) != NULL) {
4304             size_t length(strlen(line));
4305             while (length != 0 && line[length - 1] == '\n')
4306                 line[--length] = '\0';
4307             if (char *tab = strchr(line, '\t')) {
4308                 *tab = '\0';
4309                 value = [NSNumber numberWithUnsignedLong:strtoul(line, NULL, 0)];
4310             }
4311         }
4312
4313         fclose(du);
4314     } else _assert(close(fds[0]));
4315
4316     int status;
4317   wait:
4318     if (waitpid(pid, &status, 0) == -1)
4319         if (errno == EINTR)
4320             goto wait;
4321         else _assert(false);
4322
4323     return value;
4324 }
4325
4326 - (void) close {
4327     [indirect_ performSelectorOnMainThread:@selector(close) withObject:nil waitUntilDone:NO];
4328 }
4329
4330 - (void) installPackages:(NSArray *)packages {
4331     [delegate_ performSelectorOnMainThread:@selector(installPackages:) withObject:packages waitUntilDone:NO];
4332 }
4333
4334 - (NSString *) substitutePackageNames:(NSString *)message {
4335     NSMutableArray *words([[message componentsSeparatedByString:@" "] mutableCopy]);
4336     for (size_t i(0), e([words count]); i != e; ++i) {
4337         NSString *word([words objectAtIndex:i]);
4338         if (Package *package = [[Database sharedInstance] packageWithName:word])
4339             [words replaceObjectAtIndex:i withObject:[package name]];
4340     }
4341
4342     return [words componentsJoinedByString:@" "];
4343 }
4344
4345 - (void) removeButton {
4346     [indirect_ removeButton];
4347 }
4348
4349 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
4350     [indirect_ setButtonImage:button withStyle:style toFunction:function];
4351 }
4352
4353 - (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
4354     [indirect_ setButtonTitle:button withStyle:style toFunction:function];
4355 }
4356
4357 - (void) setAllowsNavigationAction:(NSString *)value {
4358     [indirect_ performSelectorOnMainThread:@selector(setAllowsNavigationActionByNumber:) withObject:value waitUntilDone:NO];
4359 }
4360
4361 - (void) setHidesBackButton:(NSString *)value {
4362     [indirect_ performSelectorOnMainThread:@selector(setHidesBackButtonByNumber:) withObject:value waitUntilDone:NO];
4363 }
4364
4365 - (void) setHidesNavigationBar:(NSString *)value {
4366     [indirect_ performSelectorOnMainThread:@selector(setHidesNavigationBarByNumber:) withObject:value waitUntilDone:NO];
4367 }
4368
4369 - (void) setNavigationBarStyle:(NSString *)value {
4370     [indirect_ performSelectorOnMainThread:@selector(setNavigationBarStyle:) withObject:value waitUntilDone:NO];
4371 }
4372
4373 - (void) setNavigationBarTintRed:(NSNumber *)red green:(NSNumber *)green blue:(NSNumber *)blue alpha:(NSNumber *)alpha {
4374     float opacity(alpha == (id) [WebUndefined undefined] ? 1 : [alpha floatValue]);
4375     UIColor *color([UIColor colorWithRed:[red floatValue] green:[green floatValue] blue:[blue floatValue] alpha:opacity]);
4376     [indirect_ performSelectorOnMainThread:@selector(setNavigationBarTintColor:) withObject:color waitUntilDone:NO];
4377 }
4378
4379 - (void) _setToken:(NSString *)token {
4380     Token_ = token;
4381
4382     if (token == nil)
4383         [Metadata_ removeObjectForKey:@"Token"];
4384     else
4385         [Metadata_ setObject:Token_ forKey:@"Token"];
4386
4387     Changed_ = true;
4388 }
4389
4390 - (void) setToken:(NSString *)token {
4391     [self performSelectorOnMainThread:@selector(_setToken:) withObject:token waitUntilDone:NO];
4392 }
4393
4394 - (void) setPopupHook:(id)function {
4395     [indirect_ setPopupHook:function];
4396 }
4397
4398 - (void) scrollToBottom:(NSNumber *)animated {
4399     [indirect_ performSelectorOnMainThread:@selector(scrollToBottomAnimated:) withObject:animated waitUntilDone:NO];
4400 }
4401
4402 - (void) setViewportWidth:(float)width {
4403     [indirect_ setViewportWidthOnMainThread:width];
4404 }
4405
4406 - (NSString *) stringWithFormat:(NSString *)format arguments:(WebScriptObject *)arguments {
4407     //NSLog(@"SWF:\"%@\" A:%@", format, [arguments description]);
4408     unsigned count([arguments count]);
4409     id values[count];
4410     for (unsigned i(0); i != count; ++i)
4411         values[i] = [arguments objectAtIndex:i];
4412     return [[[NSString alloc] initWithFormat:format arguments:reinterpret_cast<va_list>(values)] autorelease];
4413 }
4414
4415 - (NSString *) localizedStringForKey:(NSString *)key value:(NSString *)value table:(NSString *)table {
4416     if (reinterpret_cast<id>(value) == [WebUndefined undefined])
4417         value = nil;
4418     if (reinterpret_cast<id>(table) == [WebUndefined undefined])
4419         table = nil;
4420     return [[NSBundle mainBundle] localizedStringForKey:key value:value table:table];
4421 }
4422
4423 @end
4424 /* }}} */
4425
4426 /* @ Loading... Indicator {{{ */
4427 @interface CYLoadingIndicator : UIView {
4428     _H<UIActivityIndicatorView> spinner_;
4429     _H<UILabel> label_;
4430     _H<UIView> container_;
4431 }
4432
4433 @property (readonly, nonatomic) UILabel *label;
4434 @property (readonly, nonatomic) UIActivityIndicatorView *activityIndicatorView;
4435
4436 @end
4437
4438 @implementation CYLoadingIndicator
4439
4440 - (id) initWithFrame:(CGRect)frame {
4441     if ((self = [super initWithFrame:frame]) != nil) {
4442         container_ = [[[UIView alloc] init] autorelease];
4443         [container_ setAutoresizingMask:UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleBottomMargin];
4444
4445         spinner_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray] autorelease];
4446         [spinner_ startAnimating];
4447         [container_ addSubview:spinner_];
4448
4449         label_ = [[[UILabel alloc] init] autorelease];
4450         [label_ setFont:[UIFont boldSystemFontOfSize:15.0f]];
4451         [label_ setBackgroundColor:[UIColor clearColor]];
4452         [label_ setTextColor:[UIColor blackColor]];
4453         [label_ setShadowColor:[UIColor whiteColor]];
4454         [label_ setShadowOffset:CGSizeMake(0, 1)];
4455         [label_ setText:[NSString stringWithFormat:Elision_, UCLocalize("LOADING"), nil]];
4456         [container_ addSubview:label_];
4457
4458         CGSize viewsize = frame.size;
4459         CGSize spinnersize = [spinner_ bounds].size;
4460         CGSize textsize = [[label_ text] sizeWithFont:[label_ font]];
4461         float bothwidth = spinnersize.width + textsize.width + 5.0f;
4462
4463         CGRect containrect = {
4464             CGPointMake(floorf((viewsize.width / 2) - (bothwidth / 2)), floorf((viewsize.height / 2) - (spinnersize.height / 2))),
4465             CGSizeMake(bothwidth, spinnersize.height)
4466         };
4467         CGRect textrect = {
4468             CGPointMake(spinnersize.width + 5.0f, floorf((spinnersize.height / 2) - (textsize.height / 2))),
4469             textsize
4470         };
4471         CGRect spinrect = {
4472             CGPointZero,
4473             spinnersize
4474         };
4475
4476         [container_ setFrame:containrect];
4477         [spinner_ setFrame:spinrect];
4478         [label_ setFrame:textrect];
4479         [self addSubview:container_];
4480     } return self;
4481 }
4482
4483 - (UILabel *) label {
4484     return label_;
4485 }
4486
4487 - (UIActivityIndicatorView *) activityIndicatorView {
4488     return spinner_;
4489 }
4490
4491 @end
4492 /* }}} */
4493 /* Emulated Loading Controller {{{ */
4494 @interface CYEmulatedLoadingController : CYViewController {
4495     _transient Database *database_;
4496     _H<CYLoadingIndicator> indicator_;
4497     _H<UITabBar> tabbar_;
4498     _H<UINavigationBar> navbar_;
4499 }
4500
4501 @end
4502
4503 @implementation CYEmulatedLoadingController
4504
4505 - (id) initWithDatabase:(Database *)database {
4506     if ((self = [super init]) != nil) {
4507         database_ = database;
4508     } return self;
4509 }
4510
4511 // XXX: factor this out somewhere
4512 - (UIColor *) groupTableViewBackgroundColor {
4513     UIDevice *device([UIDevice currentDevice]);
4514     bool iPad([device respondsToSelector:@selector(userInterfaceIdiom)] && [device userInterfaceIdiom] == UIUserInterfaceIdiomPad);
4515     return iPad ? [UIColor colorWithRed:0.821 green:0.834 blue:0.860 alpha:1] : [UIColor groupTableViewBackgroundColor];
4516 }
4517
4518 - (void) loadView {
4519     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
4520     [[self view] setBackgroundColor:[self groupTableViewBackgroundColor]];
4521
4522     indicator_ = [[[CYLoadingIndicator alloc] initWithFrame:[[self view] bounds]] autorelease];
4523     [indicator_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
4524     [[self view] addSubview:indicator_];
4525
4526     tabbar_ = [[[UITabBar alloc] initWithFrame:CGRectMake(0, 0, 0, 49.0f)] autorelease];
4527     [tabbar_ setFrame:CGRectMake(0.0f, [[self view] bounds].size.height - [tabbar_ bounds].size.height, [[self view] bounds].size.width, [tabbar_ bounds].size.height)];
4528     [tabbar_ setAutoresizingMask:UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleWidth];
4529     [[self view] addSubview:tabbar_];
4530
4531     navbar_ = [[[UINavigationBar alloc] initWithFrame:CGRectMake(0, 0, 0, 44.0f)] autorelease];
4532     [navbar_ setFrame:CGRectMake(0.0f, 0.0f, [[self view] bounds].size.width, [navbar_ bounds].size.height)];
4533     [navbar_ setAutoresizingMask:UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleWidth];
4534     [[self view] addSubview:navbar_];
4535 }
4536
4537 - (void) releaseSubviews {
4538     indicator_ = nil;
4539     tabbar_ = nil;
4540     navbar_ = nil;
4541 }
4542
4543 @end
4544 /* }}} */
4545
4546 /* Cydia Browser Controller {{{ */
4547 @interface CYBrowserController : BrowserController {
4548     CydiaObject *cydia_;
4549 }
4550
4551 @end
4552
4553 @implementation CYBrowserController
4554
4555 - (void) dealloc {
4556     [cydia_ release];
4557     [super dealloc];
4558 }
4559
4560 - (NSURL *) navigationURL {
4561     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://url/%@", [[[webview_ request] URL] absoluteString]]];
4562 }
4563
4564 - (void) setHeaders:(NSDictionary *)headers forHost:(NSString *)host {
4565 }
4566
4567 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4568     [super webView:view didClearWindowObject:window forFrame:frame];
4569
4570     WebDataSource *source([frame dataSource]);
4571     NSURLResponse *response([source response]);
4572
4573     NSURL *url([response URL]);
4574     //NSString *scheme([url scheme]);
4575     NSString *host([url host]);
4576
4577     if ([response isKindOfClass:[NSHTTPURLResponse class]]) {
4578         NSHTTPURLResponse *http((NSHTTPURLResponse *) response);
4579         NSDictionary *headers([http allHeaderFields]);
4580         [self setHeaders:headers forHost:host];
4581     }
4582
4583     if ([CydiaHosts_ containsObject:host])
4584         [window setValue:cydia_ forKey:@"cydia"];
4585 }
4586
4587 - (void) _setMoreHeaders:(NSMutableURLRequest *)request {
4588     if (System_ != NULL)
4589         [request setValue:System_ forHTTPHeaderField:@"X-System"];
4590     if (Machine_ != NULL)
4591         [request setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
4592     if (Token_ != nil)
4593         [request setValue:Token_ forHTTPHeaderField:@"X-Cydia-Token"];
4594     if (Role_ != nil)
4595         [request setValue:Role_ forHTTPHeaderField:@"X-Role"];
4596 }
4597
4598 - (NSURLRequest *) webView:(WebView *)view resource:(id)resource willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
4599     NSMutableURLRequest *copy([[super webView:view resource:resource willSendRequest:request redirectResponse:response fromDataSource:source] mutableCopy]);
4600     [self _setMoreHeaders:copy];
4601     return copy;
4602 }
4603
4604 - (void) setDelegate:(id)delegate {
4605     [super setDelegate:delegate];
4606     [cydia_ setDelegate:delegate];
4607 }
4608
4609 - (id) init {
4610     if ((self = [super initWithWidth:0 ofClass:[CYBrowserController class]]) != nil) {
4611         cydia_ = [[CydiaObject alloc] initWithDelegate:indirect_];
4612
4613         WebView *webview([[webview_ _documentView] webView]);
4614
4615         NSString *application([NSString stringWithFormat:@"Cydia/%@", @ Cydia_]);
4616
4617         if (Safari_ != nil)
4618             application = [NSString stringWithFormat:@"Safari/%@ %@", Safari_, application];
4619         if (Build_ != nil)
4620             application = [NSString stringWithFormat:@"Mobile/%@ %@", Build_, application];
4621         if (Product_ != nil)
4622             application = [NSString stringWithFormat:@"Version/%@ %@", Product_, application];
4623
4624         [webview setApplicationNameForUserAgent:application];
4625     } return self;
4626 }
4627
4628 @end
4629 /* }}} */
4630
4631 // CydiaScript {{{
4632 @interface NSObject (CydiaScript)
4633 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context;
4634 @end
4635
4636 @implementation NSObject (CydiaScript)
4637
4638 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4639     return self;
4640 }
4641
4642 @end
4643
4644 @implementation NSArray (CydiaScript)
4645
4646 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4647     WebScriptObject *object([context evaluateWebScript:@"[]"]);
4648     for (size_t i(0), e([self count]); i != e; ++i)
4649         [object setWebScriptValueAtIndex:i value:[[self objectAtIndex:i] Cydia$webScriptObjectInContext:context]];
4650     return object;
4651 }
4652
4653 @end
4654
4655 @implementation NSDictionary (CydiaScript)
4656
4657 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4658     WebScriptObject *object([context evaluateWebScript:@"({})"]);
4659     for (id i in self)
4660         [object setValue:[[self objectForKey:i] Cydia$webScriptObjectInContext:context] forKey:i];
4661     return object;
4662 }
4663
4664 @end
4665 // }}}
4666
4667 /* Confirmation Controller {{{ */
4668 bool DepSubstrate(const pkgCache::VerIterator &iterator) {
4669     if (!iterator.end())
4670         for (pkgCache::DepIterator dep(iterator.DependsList()); !dep.end(); ++dep) {
4671             if (dep->Type != pkgCache::Dep::Depends && dep->Type != pkgCache::Dep::PreDepends)
4672                 continue;
4673             pkgCache::PkgIterator package(dep.TargetPkg());
4674             if (package.end())
4675                 continue;
4676             if (strcmp(package.Name(), "mobilesubstrate") == 0)
4677                 return true;
4678         }
4679
4680     return false;
4681 }
4682
4683 @protocol ConfirmationControllerDelegate
4684 - (void) cancelAndClear:(bool)clear;
4685 - (void) confirmWithNavigationController:(UINavigationController *)navigation;
4686 - (void) queue;
4687 @end
4688
4689 @interface ConfirmationController : CYBrowserController {
4690     _transient Database *database_;
4691
4692     UIAlertView *essential_;
4693
4694     NSDictionary *changes_;
4695     NSMutableArray *issues_;
4696     NSDictionary *sizes_;
4697
4698     BOOL substrate_;
4699 }
4700
4701 - (id) initWithDatabase:(Database *)database;
4702
4703 @end
4704
4705 @implementation ConfirmationController
4706
4707 - (void) dealloc {
4708     [changes_ release];
4709     [issues_ release];
4710     [sizes_ release];
4711
4712     if (essential_ != nil)
4713         [essential_ release];
4714
4715     [super dealloc];
4716 }
4717
4718 - (void) complete {
4719     if (substrate_)
4720         RestartSubstrate_ = true;
4721     [delegate_ confirmWithNavigationController:[self navigationController]];
4722 }
4723
4724 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
4725     NSString *context([alert context]);
4726
4727     if ([context isEqualToString:@"remove"]) {
4728         if (button == [alert cancelButtonIndex])
4729             [self dismissModalViewControllerAnimated:YES];
4730         else if (button == [alert firstOtherButtonIndex]) {
4731             [self complete];
4732         }
4733
4734         [alert dismissWithClickedButtonIndex:-1 animated:YES];
4735     } else if ([context isEqualToString:@"unable"]) {
4736         [self dismissModalViewControllerAnimated:YES];
4737         [alert dismissWithClickedButtonIndex:-1 animated:YES];
4738     } else {
4739         [super alertView:alert clickedButtonAtIndex:button];
4740     }
4741 }
4742
4743 - (void) _doContinue {
4744     [self dismissModalViewControllerAnimated:YES];
4745     [delegate_ cancelAndClear:NO];
4746 }
4747
4748 - (id) invokeDefaultMethodWithArguments:(NSArray *)args {
4749     [self performSelectorOnMainThread:@selector(_doContinue) withObject:nil waitUntilDone:NO];
4750     return nil;
4751 }
4752
4753 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4754     [super webView:view didClearWindowObject:window forFrame:frame];
4755
4756     [window setValue:[[NSDictionary dictionaryWithObjectsAndKeys:
4757         changes_, @"changes",
4758         issues_, @"issues",
4759         sizes_, @"sizes",
4760         self, @"queue",
4761     nil] Cydia$webScriptObjectInContext:window] forKey:@"cydiaConfirm"];
4762 }
4763
4764 - (id) initWithDatabase:(Database *)database {
4765     if ((self = [super init]) != nil) {
4766         database_ = database;
4767
4768         NSMutableArray *installs([NSMutableArray arrayWithCapacity:16]);
4769         NSMutableArray *reinstalls([NSMutableArray arrayWithCapacity:16]);
4770         NSMutableArray *upgrades([NSMutableArray arrayWithCapacity:16]);
4771         NSMutableArray *downgrades([NSMutableArray arrayWithCapacity:16]);
4772         NSMutableArray *removes([NSMutableArray arrayWithCapacity:16]);
4773
4774         bool remove(false);
4775
4776         pkgCacheFile &cache([database_ cache]);
4777         NSArray *packages([database_ packages]);
4778         pkgDepCache::Policy *policy([database_ policy]);
4779
4780         issues_ = [[NSMutableArray arrayWithCapacity:4] retain];
4781
4782         for (Package *package in packages) {
4783             pkgCache::PkgIterator iterator([package iterator]);
4784             NSString *name([package id]);
4785
4786             if ([package broken]) {
4787                 NSMutableArray *reasons([NSMutableArray arrayWithCapacity:4]);
4788
4789                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4790                     name, @"package",
4791                     reasons, @"reasons",
4792                 nil]];
4793
4794                 pkgCache::VerIterator ver(cache[iterator].InstVerIter(cache));
4795                 if (ver.end())
4796                     continue;
4797
4798                 for (pkgCache::DepIterator dep(ver.DependsList()); !dep.end(); ) {
4799                     pkgCache::DepIterator start;
4800                     pkgCache::DepIterator end;
4801                     dep.GlobOr(start, end); // ++dep
4802
4803                     if (!cache->IsImportantDep(end))
4804                         continue;
4805                     if ((cache[end] & pkgDepCache::DepGInstall) != 0)
4806                         continue;
4807
4808                     NSMutableArray *clauses([NSMutableArray arrayWithCapacity:4]);
4809
4810                     [reasons addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4811                         [NSString stringWithUTF8String:start.DepType()], @"relationship",
4812                         clauses, @"clauses",
4813                     nil]];
4814
4815                     _forever {
4816                         NSString *reason, *installed((NSString *) [WebUndefined undefined]);
4817
4818                         pkgCache::PkgIterator target(start.TargetPkg());
4819                         if (target->ProvidesList != 0)
4820                             reason = @"missing";
4821                         else {
4822                             pkgCache::VerIterator ver(cache[target].InstVerIter(cache));
4823                             if (!ver.end()) {
4824                                 reason = @"installed";
4825                                 installed = [NSString stringWithUTF8String:ver.VerStr()];
4826                             } else if (!cache[target].CandidateVerIter(cache).end())
4827                                 reason = @"uninstalled";
4828                             else if (target->ProvidesList == 0)
4829                                 reason = @"uninstallable";
4830                             else
4831                                 reason = @"virtual";
4832                         }
4833
4834                         NSDictionary *version(start.TargetVer() == 0 ? [NSNull null] : [NSDictionary dictionaryWithObjectsAndKeys:
4835                             [NSString stringWithUTF8String:start.CompType()], @"operator",
4836                             [NSString stringWithUTF8String:start.TargetVer()], @"value",
4837                         nil]);
4838
4839                         [clauses addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4840                             [NSString stringWithUTF8String:start.TargetPkg().Name()], @"package",
4841                             version, @"version",
4842                             reason, @"reason",
4843                             installed, @"installed",
4844                         nil]];
4845
4846                         // yes, seriously. (wtf?)
4847                         if (start == end)
4848                             break;
4849                         ++start;
4850                     }
4851                 }
4852             }
4853
4854             pkgDepCache::StateCache &state(cache[iterator]);
4855
4856             static Pcre special_r("^(firmware$|gsc\\.|cy\\+)");
4857
4858             if (state.NewInstall())
4859                 [installs addObject:name];
4860             else if (!state.Delete() && (state.iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall)
4861                 [reinstalls addObject:name];
4862             else if (state.Upgrade())
4863                 [upgrades addObject:name];
4864             else if (state.Downgrade())
4865                 [downgrades addObject:name];
4866             else if (!state.Delete())
4867                 continue;
4868             else if (special_r(name))
4869                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4870                     [NSNull null], @"package",
4871                     [NSArray arrayWithObjects:
4872                         [NSDictionary dictionaryWithObjectsAndKeys:
4873                             @"Conflicts", @"relationship",
4874                             [NSArray arrayWithObjects:
4875                                 [NSDictionary dictionaryWithObjectsAndKeys:
4876                                     name, @"package",
4877                                     [NSNull null], @"version",
4878                                     @"installed", @"reason",
4879                                 nil],
4880                             nil], @"clauses",
4881                         nil],
4882                     nil], @"reasons",
4883                 nil]];
4884             else {
4885                 if ([package essential])
4886                     remove = true;
4887                 [removes addObject:name];
4888             }
4889
4890             substrate_ |= DepSubstrate(policy->GetCandidateVer(iterator));
4891             substrate_ |= DepSubstrate(iterator.CurrentVer());
4892         }
4893
4894         if (!remove)
4895             essential_ = nil;
4896         else if (Advanced_) {
4897             NSString *parenthetical(UCLocalize("PARENTHETICAL"));
4898
4899             essential_ = [[UIAlertView alloc]
4900                 initWithTitle:UCLocalize("REMOVING_ESSENTIALS")
4901                 message:UCLocalize("REMOVING_ESSENTIALS_EX")
4902                 delegate:self
4903                 cancelButtonTitle:[NSString stringWithFormat:parenthetical, UCLocalize("CANCEL_OPERATION"), UCLocalize("SAFE")]
4904                 otherButtonTitles:
4905                     [NSString stringWithFormat:parenthetical, UCLocalize("FORCE_REMOVAL"), UCLocalize("UNSAFE")],
4906                 nil
4907             ];
4908
4909             [essential_ setContext:@"remove"];
4910         } else {
4911             essential_ = [[UIAlertView alloc]
4912                 initWithTitle:UCLocalize("UNABLE_TO_COMPLY")
4913                 message:UCLocalize("UNABLE_TO_COMPLY_EX")
4914                 delegate:self
4915                 cancelButtonTitle:UCLocalize("OKAY")
4916                 otherButtonTitles:nil
4917             ];
4918
4919             [essential_ setContext:@"unable"];
4920         }
4921
4922         changes_ = [[NSDictionary alloc] initWithObjectsAndKeys:
4923             installs, @"installs",
4924             reinstalls, @"reinstalls",
4925             upgrades, @"upgrades",
4926             downgrades, @"downgrades",
4927             removes, @"removes",
4928         nil];
4929
4930         sizes_ = [[NSDictionary alloc] initWithObjectsAndKeys:
4931             [NSNumber numberWithInteger:[database_ fetcher].FetchNeeded()], @"downloading",
4932             [NSNumber numberWithInteger:[database_ fetcher].PartialPresent()], @"resuming",
4933         nil];
4934
4935         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/confirm/", UI_]]];
4936
4937         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
4938             initWithTitle:UCLocalize("CANCEL")
4939             style:UIBarButtonItemStylePlain
4940             target:self
4941             action:@selector(cancelButtonClicked)
4942         ] autorelease]];
4943     } return self;
4944 }
4945
4946 #if !AlwaysReload
4947 - (void) applyRightButton {
4948     if ([issues_ count] == 0 && ![self isLoading])
4949         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
4950             initWithTitle:UCLocalize("CONFIRM")
4951             style:UIBarButtonItemStyleDone
4952             target:self
4953             action:@selector(confirmButtonClicked)
4954         ] autorelease]];
4955     else
4956         [[self navigationItem] setRightBarButtonItem:nil];
4957 }
4958 #endif
4959
4960 - (void) cancelButtonClicked {
4961     [self dismissModalViewControllerAnimated:YES];
4962     [delegate_ cancelAndClear:YES];
4963 }
4964
4965 #if !AlwaysReload
4966 - (void) confirmButtonClicked {
4967     if (essential_ != nil)
4968         [essential_ show];
4969     else
4970         [self complete];
4971 }
4972 #endif
4973
4974 @end
4975 /* }}} */
4976
4977 /* Progress Data {{{ */
4978 @interface CydiaProgressData : NSObject {
4979     _transient id delegate_;
4980
4981     bool running_;
4982     float percent_;
4983
4984     float current_;
4985     float total_;
4986     float speed_;
4987
4988     _H<NSMutableArray> events_;
4989     _H<NSString> title_;
4990
4991     _H<NSString> status_;
4992     _H<NSString> finish_;
4993 }
4994
4995 @end
4996
4997 @implementation CydiaProgressData
4998
4999 + (NSArray *) _attributeKeys {
5000     return [NSArray arrayWithObjects:
5001         @"current",
5002         @"events",
5003         @"finish",
5004         @"percent",
5005         @"running",
5006         @"speed",
5007         @"title",
5008         @"total",
5009     nil];
5010 }
5011
5012 - (NSArray *) attributeKeys {
5013     return [[self class] _attributeKeys];
5014 }
5015
5016 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
5017     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
5018 }
5019
5020 - (id) init {
5021     if ((self = [super init]) != nil) {
5022         events_ = [NSMutableArray arrayWithCapacity:32];
5023     } return self;
5024 }
5025
5026 - (void) setDelegate:(id)delegate {
5027     delegate_ = delegate;
5028 }
5029
5030 - (void) setPercent:(float)value {
5031     percent_ = value;
5032 }
5033
5034 - (NSNumber *) percent {
5035     return [NSNumber numberWithFloat:percent_];
5036 }
5037
5038 - (void) setCurrent:(float)value {
5039     current_ = value;
5040 }
5041
5042 - (NSNumber *) current {
5043     return [NSNumber numberWithFloat:current_];
5044 }
5045
5046 - (void) setTotal:(float)value {
5047     total_ = value;
5048 }
5049
5050 - (NSNumber *) total {
5051     return [NSNumber numberWithFloat:total_];
5052 }
5053
5054 - (void) setSpeed:(float)value {
5055     speed_ = value;
5056 }
5057
5058 - (NSNumber *) speed {
5059     return [NSNumber numberWithFloat:speed_];
5060 }
5061
5062 - (NSArray *) events {
5063     return events_;
5064 }
5065
5066 - (void) removeAllEvents {
5067     [events_ removeAllObjects];
5068 }
5069
5070 - (void) addEvent:(CydiaProgressEvent *)event {
5071     [events_ addObject:event];
5072 }
5073
5074 - (void) setTitle:(NSString *)text {
5075     title_ = text;
5076 }
5077
5078 - (NSString *) title {
5079     return title_;
5080 }
5081
5082 - (void) setFinish:(NSString *)text {
5083     finish_ = text;
5084 }
5085
5086 - (NSString *) finish {
5087     return (id) finish_ ?: [NSNull null];
5088 }
5089
5090 - (void) setRunning:(bool)running {
5091     running_ = running;
5092 }
5093
5094 - (NSNumber *) running {
5095     return running_ ? (NSNumber *) kCFBooleanTrue : (NSNumber *) kCFBooleanFalse;
5096 }
5097
5098 @end
5099 /* }}} */
5100 /* Progress Controller {{{ */
5101 @interface ProgressController : CYBrowserController <
5102     ProgressDelegate
5103 > {
5104     _transient Database *database_;
5105     _H<CydiaProgressData> progress_;
5106     unsigned cancel_;
5107 }
5108
5109 - (id) initWithDatabase:(Database *)database delegate:(id)delegate;
5110
5111 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title;
5112
5113 - (void) setTitle:(NSString *)title;
5114 - (void) setCancellable:(bool)cancellable;
5115
5116 @end
5117
5118 @implementation ProgressController
5119
5120 - (void) dealloc {
5121     [database_ setProgressDelegate:nil];
5122     [progress_ setDelegate:nil];
5123     [super dealloc];
5124 }
5125
5126 - (void) updateCancel {
5127     [[self navigationItem] setLeftBarButtonItem:(cancel_ == 1 ? [[[UIBarButtonItem alloc]
5128         initWithTitle:UCLocalize("CANCEL")
5129         style:UIBarButtonItemStylePlain
5130         target:self
5131         action:@selector(cancel)
5132     ] autorelease] : nil)];
5133 }
5134
5135 - (id) initWithDatabase:(Database *)database delegate:(id)delegate {
5136     if ((self = [super init]) != nil) {
5137         database_ = database;
5138         delegate_ = delegate;
5139
5140         [database_ setProgressDelegate:self];
5141
5142         progress_ = [[[CydiaProgressData alloc] init] autorelease];
5143         [progress_ setDelegate:self];
5144
5145         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/progress/", UI_]]];
5146
5147         [scroller_ setBackgroundColor:[UIColor blackColor]];
5148
5149         [[self navigationItem] setHidesBackButton:YES];
5150
5151         [self updateCancel];
5152     } return self;
5153 }
5154
5155 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
5156     [super webView:view didClearWindowObject:window forFrame:frame];
5157     [window setValue:progress_ forKey:@"cydiaProgress"];
5158 }
5159
5160 - (void) updateProgress {
5161     [self dispatchEvent:@"CydiaProgressUpdate"];
5162 }
5163
5164 - (void) viewWillAppear:(BOOL)animated {
5165     if (![self hasLoaded])
5166         [[[self navigationController] navigationBar] setBarStyle:UIBarStyleBlack];
5167
5168     [super viewWillAppear:animated];
5169 }
5170
5171 - (void) close {
5172     UpdateExternalStatus(0);
5173
5174     switch (Finish_) {
5175         case 0:
5176         break;
5177
5178         case 1:
5179             [delegate_ terminateWithSuccess];
5180             /*if ([delegate_ respondsToSelector:@selector(suspendWithAnimation:)])
5181                 [delegate_ suspendWithAnimation:YES];
5182             else
5183                 [delegate_ suspend];*/
5184         break;
5185
5186         case 2:
5187             _trace();
5188             goto reload;
5189
5190         case 3:
5191             _trace();
5192             goto reload;
5193
5194         reload:
5195             system("/usr/bin/sbreload");
5196             _trace();
5197         break;
5198
5199         case 4:
5200             _trace();
5201             if (void (*SBReboot)(mach_port_t) = reinterpret_cast<void (*)(mach_port_t)>(dlsym(RTLD_DEFAULT, "SBReboot")))
5202                 SBReboot(SBSSpringBoardServerPort());
5203             else
5204                 reboot2(RB_AUTOBOOT);
5205         break;
5206     }
5207
5208     [super close];
5209 }
5210
5211 - (void) setTitle:(NSString *)title {
5212     [progress_ setTitle:title];
5213     [self updateProgress];
5214 }
5215
5216 - (UIBarButtonItem *) rightButton {
5217     return [[progress_ running] boolValue] ? nil : [[[UIBarButtonItem alloc]
5218         initWithTitle:UCLocalize("CLOSE")
5219         style:UIBarButtonItemStylePlain
5220         target:self
5221         action:@selector(close)
5222     ] autorelease];
5223 }
5224
5225 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title {
5226     UpdateExternalStatus(1);
5227
5228     [progress_ setRunning:true];
5229     [self setTitle:title];
5230     // implicit updateProgress
5231
5232     SHA1SumValue notifyconf; {
5233         FileFd file;
5234         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
5235             _error->Discard();
5236         else {
5237             MMap mmap(file, MMap::ReadOnly);
5238             SHA1Summation sha1;
5239             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5240             notifyconf = sha1.Result();
5241         }
5242     }
5243
5244     SHA1SumValue springlist; {
5245         FileFd file;
5246         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
5247             _error->Discard();
5248         else {
5249             MMap mmap(file, MMap::ReadOnly);
5250             SHA1Summation sha1;
5251             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5252             springlist = sha1.Result();
5253         }
5254     }
5255
5256     if (invocation != nil) {
5257         [invocation yieldToSelector:@selector(invoke)];
5258         [self setTitle:@"COMPLETE"];
5259     }
5260
5261     if (Finish_ < 4) {
5262         FileFd file;
5263         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
5264             _error->Discard();
5265         else {
5266             MMap mmap(file, MMap::ReadOnly);
5267             SHA1Summation sha1;
5268             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5269             if (!(notifyconf == sha1.Result()))
5270                 Finish_ = 4;
5271         }
5272     }
5273
5274     if (Finish_ < 3) {
5275         FileFd file;
5276         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
5277             _error->Discard();
5278         else {
5279             MMap mmap(file, MMap::ReadOnly);
5280             SHA1Summation sha1;
5281             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5282             if (!(springlist == sha1.Result()))
5283                 Finish_ = 3;
5284         }
5285     }
5286
5287     if (Finish_ < 2) {
5288         if (RestartSubstrate_)
5289             Finish_ = 2;
5290     }
5291
5292     RestartSubstrate_ = false;
5293
5294     switch (Finish_) {
5295         case 0: [progress_ setFinish:UCLocalize("RETURN_TO_CYDIA")]; break; /* XXX: Maybe UCLocalize("DONE")? */
5296         case 1: [progress_ setFinish:UCLocalize("CLOSE_CYDIA")]; break;
5297         case 2: [progress_ setFinish:UCLocalize("RESTART_SPRINGBOARD")]; break;
5298         case 3: [progress_ setFinish:UCLocalize("RELOAD_SPRINGBOARD")]; break;
5299         case 4: [progress_ setFinish:UCLocalize("REBOOT_DEVICE")]; break;
5300     }
5301
5302     _trace();
5303     system("su -c /usr/bin/uicache mobile");
5304     _trace();
5305
5306     UpdateExternalStatus(Finish_ == 0 ? 0 : 2);
5307
5308     [progress_ setRunning:false];
5309     [self updateProgress];
5310
5311     [self applyRightButton];
5312 }
5313
5314 - (void) addProgressEvent:(CydiaProgressEvent *)event {
5315     [progress_ addEvent:event];
5316     [self updateProgress];
5317 }
5318
5319 - (bool) isProgressCancelled {
5320     return cancel_ == 2;
5321 }
5322
5323 - (void) cancel {
5324     cancel_ = 2;
5325     [self updateCancel];
5326 }
5327
5328 - (void) setCancellable:(bool)cancellable {
5329     unsigned cancel(cancel_);
5330
5331     if (!cancellable)
5332         cancel_ = 0;
5333     else if (cancel_ == 0)
5334         cancel_ = 1;
5335
5336     if (cancel != cancel_)
5337         [self updateCancel];
5338 }
5339
5340 - (void) setProgressCancellable:(NSNumber *)cancellable {
5341     [self setCancellable:[cancellable boolValue]];
5342 }
5343
5344 - (void) setProgressPercent:(NSNumber *)percent {
5345     [progress_ setPercent:[percent floatValue]];
5346     [self updateProgress];
5347 }
5348
5349 - (void) setProgressStatus:(NSDictionary *)status {
5350     if (status == nil) {
5351         [progress_ setCurrent:0];
5352         [progress_ setTotal:0];
5353         [progress_ setSpeed:0];
5354     } else {
5355         [progress_ setPercent:[[status objectForKey:@"Percent"] floatValue]];
5356
5357         [progress_ setCurrent:[[status objectForKey:@"Current"] floatValue]];
5358         [progress_ setTotal:[[status objectForKey:@"Total"] floatValue]];
5359         [progress_ setSpeed:[[status objectForKey:@"Speed"] floatValue]];
5360     }
5361
5362     [self updateProgress];
5363 }
5364
5365 @end
5366 /* }}} */
5367
5368 /* Cell Content View {{{ */
5369 @protocol ContentDelegate
5370 - (void) drawContentRect:(CGRect)rect;
5371 @end
5372
5373 @interface ContentView : UIView {
5374     _transient id<ContentDelegate> delegate_;
5375 }
5376
5377 @end
5378
5379 @implementation ContentView
5380
5381 - (id) initWithFrame:(CGRect)frame {
5382     if ((self = [super initWithFrame:frame]) != nil) {
5383         [self setNeedsDisplayOnBoundsChange:YES];
5384     } return self;
5385 }
5386
5387 - (void) setDelegate:(id<ContentDelegate>)delegate {
5388     delegate_ = delegate;
5389 }
5390
5391 - (void) drawRect:(CGRect)rect {
5392     [super drawRect:rect];
5393     [delegate_ drawContentRect:rect];
5394 }
5395
5396 @end
5397 /* }}} */
5398 /* Cydia TableView Cell {{{ */
5399 @interface CYTableViewCell : UITableViewCell {
5400     ContentView *content_;
5401     bool highlighted_;
5402 }
5403
5404 @end
5405
5406 @implementation CYTableViewCell
5407
5408 - (void) dealloc {
5409     [content_ release];
5410     [super dealloc];
5411 }
5412
5413 - (void) _updateHighlightColorsForView:(id)view highlighted:(BOOL)highlighted {
5414     //NSLog(@"_updateHighlightColorsForView:%@ highlighted:%s [content_=%@]", view, highlighted ? "YES" : "NO", content_);
5415
5416     if (view == content_) {
5417         //NSLog(@"_updateHighlightColorsForView:content_ highlighted:%s", highlighted ? "YES" : "NO", content_);
5418         highlighted_ = highlighted;
5419     }
5420
5421     [super _updateHighlightColorsForView:view highlighted:highlighted];
5422 }
5423
5424 - (void) setSelected:(BOOL)selected animated:(BOOL)animated {
5425     //NSLog(@"setSelected:%s animated:%s", selected ? "YES" : "NO", animated ? "YES" : "NO");
5426     highlighted_ = selected;
5427
5428     [super setSelected:selected animated:animated];
5429     [content_ setNeedsDisplay];
5430 }
5431
5432 @end
5433 /* }}} */
5434
5435 /* Package Cell {{{ */
5436 @interface PackageCell : CYTableViewCell <
5437     ContentDelegate
5438 > {
5439     UIImage *icon_;
5440     NSString *name_;
5441     NSString *description_;
5442     bool commercial_;
5443     NSString *source_;
5444     UIImage *badge_;
5445     Package *package_;
5446     UIImage *placard_;
5447 }
5448
5449 - (PackageCell *) init;
5450 - (void) setPackage:(Package *)package;
5451
5452 - (void) drawContentRect:(CGRect)rect;
5453
5454 @end
5455
5456 @implementation PackageCell
5457
5458 - (void) clearPackage {
5459     if (icon_ != nil) {
5460         [icon_ release];
5461         icon_ = nil;
5462     }
5463
5464     if (name_ != nil) {
5465         [name_ release];
5466         name_ = nil;
5467     }
5468
5469     if (description_ != nil) {
5470         [description_ release];
5471         description_ = nil;
5472     }
5473
5474     if (source_ != nil) {
5475         [source_ release];
5476         source_ = nil;
5477     }
5478
5479     if (badge_ != nil) {
5480         [badge_ release];
5481         badge_ = nil;
5482     }
5483
5484     if (placard_ != nil) {
5485         [placard_ release];
5486         placard_ = nil;
5487     }
5488
5489     [package_ release];
5490     package_ = nil;
5491 }
5492
5493 - (void) dealloc {
5494     [self clearPackage];
5495     [super dealloc];
5496 }
5497
5498 - (PackageCell *) init {
5499     CGRect frame(CGRectMake(0, 0, 320, 74));
5500     if ((self = [super initWithFrame:frame reuseIdentifier:@"Package"]) != nil) {
5501         UIView *content([self contentView]);
5502         CGRect bounds([content bounds]);
5503
5504         content_ = [[ContentView alloc] initWithFrame:bounds];
5505         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5506         [content addSubview:content_];
5507
5508         [content_ setDelegate:self];
5509         [content_ setOpaque:YES];
5510     } return self;
5511 }
5512
5513 - (NSString *) accessibilityLabel {
5514     return [NSString stringWithFormat:UCLocalize("COLON_DELIMITED"), name_, description_];
5515 }
5516
5517 - (void) setPackage:(Package *)package {
5518     [self clearPackage];
5519     [package parse];
5520
5521     Source *source = [package source];
5522
5523     icon_ = [[package icon] retain];
5524     name_ = [[package name] retain];
5525
5526     if (IsWildcat_)
5527         description_ = [package longDescription];
5528     if (description_ == nil)
5529         description_ = [package shortDescription];
5530     if (description_ != nil)
5531         description_ = [description_ retain];
5532
5533     commercial_ = [package isCommercial];
5534
5535     package_ = [package retain];
5536
5537     NSString *label = nil;
5538     bool trusted = false;
5539
5540     if (source != nil) {
5541         label = [source label];
5542         trusted = [source trusted];
5543     } else if ([[package id] isEqualToString:@"firmware"])
5544         label = UCLocalize("APPLE");
5545     else
5546         label = [NSString stringWithFormat:UCLocalize("SLASH_DELIMITED"), UCLocalize("UNKNOWN"), UCLocalize("LOCAL")];
5547
5548     NSString *from(label);
5549
5550     NSString *section = [package simpleSection];
5551     if (section != nil && ![section isEqualToString:label]) {
5552         section = [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
5553         from = [NSString stringWithFormat:UCLocalize("PARENTHETICAL"), from, section];
5554     }
5555
5556     from = [NSString stringWithFormat:UCLocalize("FROM"), from];
5557     source_ = [from retain];
5558
5559     if (NSString *purpose = [package primaryPurpose])
5560         if ((badge_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Purposes/%@.png", App_, purpose]]) != nil)
5561             badge_ = [badge_ retain];
5562
5563     UIColor *color;
5564     NSString *placard;
5565
5566     if (NSString *mode = [package_ mode]) {
5567         if ([mode isEqualToString:@"REMOVE"] || [mode isEqualToString:@"PURGE"]) {
5568             color = RemovingColor_;
5569             //placard = @"removing";
5570         } else {
5571             color = InstallingColor_;
5572             //placard = @"installing";
5573         }
5574
5575         // XXX: the removing/installing placards are not @2x
5576         placard = nil;
5577     } else {
5578         color = [UIColor whiteColor];
5579
5580         if ([package installed] != nil)
5581             placard = @"installed";
5582         else
5583             placard = nil;
5584     }
5585
5586     [content_ setBackgroundColor:color];
5587
5588     if (placard != nil)
5589         if ((placard_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/%@.png", App_, placard]]) != nil)
5590             placard_ = [placard_ retain];
5591
5592     [self setNeedsDisplay];
5593     [content_ setNeedsDisplay];
5594 }
5595
5596 - (void) drawContentRect:(CGRect)rect {
5597     bool highlighted(highlighted_);
5598     float width([self bounds].size.width);
5599
5600 #if 0
5601     CGContextRef context(UIGraphicsGetCurrentContext());
5602     [([[self selectedBackgroundView] superview] != nil ? [UIColor clearColor] : [self backgroundColor]) set];
5603     CGContextFillRect(context, rect);
5604 #endif
5605
5606     if (icon_ != nil) {
5607         CGRect rect;
5608         rect.size = [icon_ size];
5609
5610         rect.size.width /= 2;
5611         rect.size.height /= 2;
5612
5613         rect.origin.x = 25 - rect.size.width / 2;
5614         rect.origin.y = 25 - rect.size.height / 2;
5615
5616         [icon_ drawInRect:rect];
5617     }
5618
5619     if (badge_ != nil) {
5620         CGRect rect;
5621         rect.size = [badge_ size];
5622
5623         rect.size.width /= 2;
5624         rect.size.height /= 2;
5625
5626         rect.origin.x = 36 - rect.size.width / 2;
5627         rect.origin.y = 36 - rect.size.height / 2;
5628
5629         [badge_ drawInRect:rect];
5630     }
5631
5632     if (highlighted)
5633         UISetColor(White_);
5634
5635     if (!highlighted)
5636         UISetColor(commercial_ ? Purple_ : Black_);
5637     [name_ drawAtPoint:CGPointMake(48, 8) forWidth:(width - (placard_ == nil ? 80 : 106)) withFont:Font18Bold_ lineBreakMode:UILineBreakModeTailTruncation];
5638     [source_ drawAtPoint:CGPointMake(58, 29) forWidth:(width - 95) withFont:Font12_ lineBreakMode:UILineBreakModeTailTruncation];
5639
5640     if (!highlighted)
5641         UISetColor(commercial_ ? Purplish_ : Gray_);
5642     [description_ drawAtPoint:CGPointMake(12, 46) forWidth:(width - 46) withFont:Font14_ lineBreakMode:UILineBreakModeTailTruncation];
5643
5644     if (placard_ != nil)
5645         [placard_ drawAtPoint:CGPointMake(width - 52, 9)];
5646 }
5647
5648 @end
5649 /* }}} */
5650 /* Section Cell {{{ */
5651 @interface SectionCell : CYTableViewCell <
5652     ContentDelegate
5653 > {
5654     NSString *basic_;
5655     NSString *section_;
5656     NSString *name_;
5657     NSString *count_;
5658     UIImage *icon_;
5659     UISwitch *switch_;
5660     BOOL editing_;
5661 }
5662
5663 - (void) setSection:(Section *)section editing:(BOOL)editing;
5664
5665 @end
5666
5667 @implementation SectionCell
5668
5669 - (void) clearSection {
5670     if (basic_ != nil) {
5671         [basic_ release];
5672         basic_ = nil;
5673     }
5674
5675     if (section_ != nil) {
5676         [section_ release];
5677         section_ = nil;
5678     }
5679
5680     if (name_ != nil) {
5681         [name_ release];
5682         name_ = nil;
5683     }
5684
5685     if (count_ != nil) {
5686         [count_ release];
5687         count_ = nil;
5688     }
5689 }
5690
5691 - (void) dealloc {
5692     [self clearSection];
5693     [icon_ release];
5694     [switch_ release];
5695     [super dealloc];
5696 }
5697
5698 - (id) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
5699     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
5700         icon_ = [[UIImage applicationImageNamed:@"folder.png"] retain];
5701         switch_ = [[UISwitch alloc] initWithFrame:CGRectMake(218, 9, 60, 25)];
5702         [switch_ addTarget:self action:@selector(onSwitch:) forEvents:UIControlEventValueChanged];
5703
5704         UIView *content([self contentView]);
5705         CGRect bounds([content bounds]);
5706
5707         content_ = [[ContentView alloc] initWithFrame:bounds];
5708         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5709         [content addSubview:content_];
5710         [content_ setBackgroundColor:[UIColor whiteColor]];
5711
5712         [content_ setDelegate:self];
5713     } return self;
5714 }
5715
5716 - (void) onSwitch:(id)sender {
5717     NSMutableDictionary *metadata([Sections_ objectForKey:basic_]);
5718     if (metadata == nil) {
5719         metadata = [NSMutableDictionary dictionaryWithCapacity:2];
5720         [Sections_ setObject:metadata forKey:basic_];
5721     }
5722
5723     [metadata setObject:[NSNumber numberWithBool:([switch_ isOn] == NO)] forKey:@"Hidden"];
5724     Changed_ = true;
5725 }
5726
5727 - (void) setSection:(Section *)section editing:(BOOL)editing {
5728     if (editing != editing_) {
5729         if (editing_)
5730             [switch_ removeFromSuperview];
5731         else
5732             [self addSubview:switch_];
5733         editing_ = editing;
5734     }
5735
5736     [self clearSection];
5737
5738     if (section == nil) {
5739         name_ = [UCLocalize("ALL_PACKAGES") retain];
5740         count_ = nil;
5741     } else {
5742         basic_ = [section name];
5743         if (basic_ != nil)
5744             basic_ = [basic_ retain];
5745
5746         section_ = [section localized];
5747         if (section_ != nil)
5748             section_ = [section_ retain];
5749
5750         name_  = [(section_ == nil || [section_ length] == 0 ? UCLocalize("NO_SECTION") : section_) retain];
5751         count_ = [[NSString stringWithFormat:@"%d", [section count]] retain];
5752
5753         if (editing_)
5754             [switch_ setOn:(isSectionVisible(basic_) ? 1 : 0) animated:NO];
5755     }
5756
5757     [self setAccessoryType:editing ? UITableViewCellAccessoryNone : UITableViewCellAccessoryDisclosureIndicator];
5758     [self setSelectionStyle:editing ? UITableViewCellSelectionStyleNone : UITableViewCellSelectionStyleBlue];
5759
5760     [content_ setNeedsDisplay];
5761 }
5762
5763 - (void) setFrame:(CGRect)frame {
5764     [super setFrame:frame];
5765
5766     CGRect rect([switch_ frame]);
5767     [switch_ setFrame:CGRectMake(frame.size.width - 102, 9, rect.size.width, rect.size.height)];
5768 }
5769
5770 - (NSString *) accessibilityLabel {
5771     return name_;
5772 }
5773
5774 - (void) drawContentRect:(CGRect)rect {
5775     bool highlighted(highlighted_ && !editing_);
5776
5777     [icon_ drawInRect:CGRectMake(8, 7, 32, 32)];
5778
5779     if (highlighted)
5780         UISetColor(White_);
5781
5782     float width(rect.size.width);
5783     if (editing_)
5784         width -= 87;
5785
5786     if (!highlighted)
5787         UISetColor(Black_);
5788     [name_ drawAtPoint:CGPointMake(48, 9) forWidth:(width - 70) withFont:Font22Bold_ lineBreakMode:UILineBreakModeTailTruncation];
5789
5790     CGSize size = [count_ sizeWithFont:Font14_];
5791
5792     UISetColor(White_);
5793     if (count_ != nil)
5794         [count_ drawAtPoint:CGPointMake(13 + (29 - size.width) / 2, 16) withFont:Font12Bold_];
5795 }
5796
5797 @end
5798 /* }}} */
5799
5800 /* File Table {{{ */
5801 @interface FileTable : CYViewController <
5802     UITableViewDataSource,
5803     UITableViewDelegate
5804 > {
5805     _transient Database *database_;
5806     Package *package_;
5807     NSString *name_;
5808     NSMutableArray *files_;
5809     UITableView *list_;
5810 }
5811
5812 - (id) initWithDatabase:(Database *)database;
5813 - (void) setPackage:(Package *)package;
5814
5815 @end
5816
5817 @implementation FileTable
5818
5819 - (void) dealloc {
5820     [self releaseSubviews];
5821
5822     [package_ release];
5823     [name_ release];
5824     [files_ release];
5825
5826     [super dealloc];
5827 }
5828
5829 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
5830     return files_ == nil ? 0 : [files_ count];
5831 }
5832
5833 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
5834     return 24.0f;
5835 }*/
5836
5837 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
5838     static NSString *reuseIdentifier = @"Cell";
5839
5840     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
5841     if (cell == nil) {
5842         cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
5843         [cell setFont:[UIFont systemFontOfSize:16]];
5844     }
5845     [cell setText:[files_ objectAtIndex:indexPath.row]];
5846     [cell setSelectionStyle:UITableViewCellSelectionStyleNone];
5847
5848     return cell;
5849 }
5850
5851 - (NSURL *) navigationURL {
5852     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/files", [package_ id]]];
5853 }
5854
5855 - (void) loadView {
5856     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
5857
5858     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds]];
5859     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5860     [list_ setRowHeight:24.0f];
5861     [list_ setDataSource:self];
5862     [list_ setDelegate:self];
5863     [[self view] addSubview:list_];
5864 }
5865
5866 - (void) viewDidLoad {
5867     [[self navigationItem] setTitle:UCLocalize("INSTALLED_FILES")];
5868 }
5869
5870 - (void) releaseSubviews {
5871     [list_ release];
5872     list_ = nil;
5873 }
5874
5875 - (id) initWithDatabase:(Database *)database {
5876     if ((self = [super init]) != nil) {
5877         database_ = database;
5878
5879         files_ = [[NSMutableArray arrayWithCapacity:32] retain];
5880     } return self;
5881 }
5882
5883 - (void) setPackage:(Package *)package {
5884     if (package_ != nil) {
5885         [package_ autorelease];
5886         package_ = nil;
5887     }
5888
5889     if (name_ != nil) {
5890         [name_ release];
5891         name_ = nil;
5892     }
5893
5894     [files_ removeAllObjects];
5895
5896     if (package != nil) {
5897         package_ = [package retain];
5898         name_ = [[package id] retain];
5899
5900         if (NSArray *files = [package files])
5901             [files_ addObjectsFromArray:files];
5902
5903         if ([files_ count] != 0) {
5904             if ([[files_ objectAtIndex:0] isEqualToString:@"/."])
5905                 [files_ removeObjectAtIndex:0];
5906             [files_ sortUsingSelector:@selector(compareByPath:)];
5907
5908             NSMutableArray *stack = [NSMutableArray arrayWithCapacity:8];
5909             [stack addObject:@"/"];
5910
5911             for (int i(0), e([files_ count]); i != e; ++i) {
5912                 NSString *file = [files_ objectAtIndex:i];
5913                 while (![file hasPrefix:[stack lastObject]])
5914                     [stack removeLastObject];
5915                 NSString *directory = [stack lastObject];
5916                 [stack addObject:[file stringByAppendingString:@"/"]];
5917                 [files_ replaceObjectAtIndex:i withObject:[NSString stringWithFormat:@"%*s%@",
5918                     ([stack count] - 2) * 3, "",
5919                     [file substringFromIndex:[directory length]]
5920                 ]];
5921             }
5922         }
5923     }
5924
5925     [list_ reloadData];
5926 }
5927
5928 - (void) reloadData {
5929     [super reloadData];
5930
5931     [self setPackage:[database_ packageWithName:name_]];
5932 }
5933
5934 @end
5935 /* }}} */
5936 /* Package Controller {{{ */
5937 @interface CYPackageController : CYBrowserController <
5938     UIActionSheetDelegate
5939 > {
5940     _transient Database *database_;
5941     _H<Package> package_;
5942     _H<NSString> name_;
5943     bool commercial_;
5944     _H<NSMutableArray> buttons_;
5945     _H<UIBarButtonItem> button_;
5946 }
5947
5948 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name;
5949
5950 @end
5951
5952 @implementation CYPackageController
5953
5954 - (NSURL *) navigationURL {
5955     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@", (id) name_]];
5956 }
5957
5958 /* XXX: this is not safe at all... localization of /fail/ */
5959 - (void) _clickButtonWithName:(NSString *)name {
5960     if ([name isEqualToString:UCLocalize("CLEAR")])
5961         [delegate_ clearPackage:package_];
5962     else if ([name isEqualToString:UCLocalize("INSTALL")])
5963         [delegate_ installPackage:package_];
5964     else if ([name isEqualToString:UCLocalize("REINSTALL")])
5965         [delegate_ installPackage:package_];
5966     else if ([name isEqualToString:UCLocalize("REMOVE")])
5967         [delegate_ removePackage:package_];
5968     else if ([name isEqualToString:UCLocalize("UPGRADE")])
5969         [delegate_ installPackage:package_];
5970     else _assert(false);
5971 }
5972
5973 - (void) actionSheet:(UIActionSheet *)sheet clickedButtonAtIndex:(NSInteger)button {
5974     NSString *context([sheet context]);
5975
5976     if ([context isEqualToString:@"modify"]) {
5977         if (button != [sheet cancelButtonIndex]) {
5978             NSString *buttonName = [buttons_ objectAtIndex:button];
5979             [self _clickButtonWithName:buttonName];
5980         }
5981
5982         [sheet dismissWithClickedButtonIndex:-1 animated:YES];
5983     }
5984 }
5985
5986 - (bool) _allowJavaScriptPanel {
5987     return commercial_;
5988 }
5989
5990 #if !AlwaysReload
5991 - (void) _customButtonClicked {
5992     int count([buttons_ count]);
5993     if (count == 0)
5994         return;
5995
5996     if (count == 1)
5997         [self _clickButtonWithName:[buttons_ objectAtIndex:0]];
5998     else {
5999         NSMutableArray *buttons = [NSMutableArray arrayWithCapacity:count];
6000         [buttons addObjectsFromArray:buttons_];
6001
6002         UIActionSheet *sheet = [[[UIActionSheet alloc]
6003             initWithTitle:nil
6004             delegate:self
6005             cancelButtonTitle:nil
6006             destructiveButtonTitle:nil
6007             otherButtonTitles:nil
6008         ] autorelease];
6009
6010         for (NSString *button in buttons) [sheet addButtonWithTitle:button];
6011         if (!IsWildcat_) {
6012            [sheet addButtonWithTitle:UCLocalize("CANCEL")];
6013            [sheet setCancelButtonIndex:[sheet numberOfButtons] - 1];
6014         }
6015         [sheet setContext:@"modify"];
6016
6017         [delegate_ showActionSheet:sheet fromItem:[[self navigationItem] rightBarButtonItem]];
6018     }
6019 }
6020
6021 // We don't want to allow non-commercial packages to do custom things to the install button,
6022 // so it must call customButtonClicked with a custom commercial_ == 1 fallthrough.
6023 - (void) customButtonClicked {
6024     if (commercial_)
6025         [super customButtonClicked];
6026     else
6027         [self _customButtonClicked];
6028 }
6029
6030 - (void) reloadButtonClicked {
6031     // Don't reload a commerical package by tapping the loading button,
6032     // but if it's not an Install button, we should forward it on.
6033     if (![package_ uninstalled])
6034         [self _customButtonClicked];
6035 }
6036
6037 - (void) applyLoadingTitle {
6038     // Don't show "Loading" as the title. Ever.
6039 }
6040
6041 - (UIBarButtonItem *) rightButton {
6042     return button_;
6043 }
6044 #endif
6045
6046 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name {
6047     if ((self = [super init]) != nil) {
6048         database_ = database;
6049         buttons_ = [NSMutableArray arrayWithCapacity:4];
6050         name_ = [NSString stringWithString:name];
6051         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/package/%@", UI_, (id) name_]]];
6052     } return self;
6053 }
6054
6055 - (void) reloadData {
6056     package_ = [database_ packageWithName:name_];
6057
6058     [buttons_ removeAllObjects];
6059
6060     if (package_ != nil) {
6061         [(Package *) package_ parse];
6062
6063         commercial_ = [package_ isCommercial];
6064
6065         if ([package_ mode] != nil)
6066             [buttons_ addObject:UCLocalize("CLEAR")];
6067         if ([package_ source] == nil);
6068         else if ([package_ upgradableAndEssential:NO])
6069             [buttons_ addObject:UCLocalize("UPGRADE")];
6070         else if ([package_ uninstalled])
6071             [buttons_ addObject:UCLocalize("INSTALL")];
6072         else
6073             [buttons_ addObject:UCLocalize("REINSTALL")];
6074         if (![package_ uninstalled])
6075             [buttons_ addObject:UCLocalize("REMOVE")];
6076     }
6077
6078     NSString *title;
6079     switch ([buttons_ count]) {
6080         case 0: title = nil; break;
6081         case 1: title = [buttons_ objectAtIndex:0]; break;
6082         default: title = UCLocalize("MODIFY"); break;
6083     }
6084
6085     button_ = [[[UIBarButtonItem alloc]
6086         initWithTitle:title
6087         style:UIBarButtonItemStylePlain
6088         target:self
6089         action:@selector(customButtonClicked)
6090     ] autorelease];
6091
6092     [super reloadData];
6093 }
6094
6095 - (bool) isLoading {
6096     return commercial_ ? [super isLoading] : false;
6097 }
6098
6099 @end
6100 /* }}} */
6101
6102 /* Package List Controller {{{ */
6103 @interface PackageListController : CYViewController <
6104     UITableViewDataSource,
6105     UITableViewDelegate
6106 > {
6107     _transient Database *database_;
6108     unsigned era_;
6109     NSMutableArray *packages_;
6110     NSMutableArray *sections_;
6111     UITableView *list_;
6112     NSMutableArray *index_;
6113     NSMutableDictionary *indices_;
6114     NSString *title_;
6115 }
6116
6117 - (id) initWithDatabase:(Database *)database title:(NSString *)title;
6118 - (void) setDelegate:(id)delegate;
6119 - (void) resetCursor;
6120
6121 @end
6122
6123 @implementation PackageListController
6124
6125 - (void) dealloc {
6126     [packages_ release];
6127     [sections_ release];
6128     [list_ release];
6129     [index_ release];
6130     [indices_ release];
6131     [title_ release];
6132
6133     [super dealloc];
6134 }
6135
6136 - (void) deselectWithAnimation:(BOOL)animated {
6137     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
6138 }
6139
6140 - (void) resizeForKeyboardBounds:(CGRect)bounds duration:(NSTimeInterval)duration curve:(UIViewAnimationCurve)curve {
6141     CGRect base = [[self view] bounds];
6142     base.size.height -= bounds.size.height;
6143     base.origin = [list_ frame].origin;
6144
6145     [UIView beginAnimations:nil context:NULL];
6146     [UIView setAnimationBeginsFromCurrentState:YES];
6147     [UIView setAnimationCurve:curve];
6148     [UIView setAnimationDuration:duration];
6149     [list_ setFrame:base];
6150     [UIView commitAnimations];
6151 }
6152
6153 - (void) resizeForKeyboardBounds:(CGRect)bounds duration:(NSTimeInterval)duration {
6154     [self resizeForKeyboardBounds:bounds duration:duration curve:UIViewAnimationCurveLinear];
6155 }
6156
6157 - (void) resizeForKeyboardBounds:(CGRect)bounds {
6158     [self resizeForKeyboardBounds:bounds duration:0];
6159 }
6160
6161 - (void) keyboardWillShow:(NSNotification *)notification {
6162     CGRect bounds;
6163     CGPoint center;
6164     NSTimeInterval duration;
6165     UIViewAnimationCurve curve;
6166     [[[notification userInfo] objectForKey:UIKeyboardBoundsUserInfoKey] getValue:&bounds];
6167     [[[notification userInfo] objectForKey:UIKeyboardCenterEndUserInfoKey] getValue:&center];
6168     [[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] getValue:&curve];
6169     [[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] getValue:&duration];
6170
6171     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);
6172     UIViewController *base = self;
6173     while ([base parentViewController] != nil)
6174         base = [base parentViewController];
6175     CGRect viewframe = [[base view] convertRect:[list_ frame] fromView:[list_ superview]];
6176     CGRect intersection = CGRectIntersection(viewframe, kbframe);
6177
6178     [self resizeForKeyboardBounds:intersection duration:duration curve:curve];
6179 }
6180
6181 - (void) keyboardWillHide:(NSNotification *)notification {
6182     NSTimeInterval duration;
6183     UIViewAnimationCurve curve;
6184     [[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] getValue:&curve];
6185     [[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] getValue:&duration];
6186
6187     [self resizeForKeyboardBounds:CGRectZero duration:duration curve:curve];
6188 }
6189
6190 - (void) viewWillAppear:(BOOL)animated {
6191     [super viewWillAppear:animated];
6192
6193     [self resizeForKeyboardBounds:CGRectZero];
6194     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil];
6195     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil];
6196 }
6197
6198 - (void) viewWillDisappear:(BOOL)animated {
6199     [super viewWillDisappear:animated];
6200
6201     [self resizeForKeyboardBounds:CGRectZero];
6202     [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillShowNotification object:nil];
6203     [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillHideNotification object:nil];
6204 }
6205
6206 - (void) viewDidAppear:(BOOL)animated {
6207     [super viewDidAppear:animated];
6208     [self deselectWithAnimation:animated];
6209 }
6210
6211 - (void) didSelectPackage:(Package *)package {
6212     CYPackageController *view([[[CYPackageController alloc] initWithDatabase:database_ forPackage:[package id]] autorelease]);
6213     [view setDelegate:delegate_];
6214     [[self navigationController] pushViewController:view animated:YES];
6215 }
6216
6217 #if TryIndexedCollation
6218 + (BOOL) hasIndexedCollation {
6219     return NO; // XXX: objc_getClass("UILocalizedIndexedCollation") != nil;
6220 }
6221 #endif
6222
6223 - (NSInteger) numberOfSectionsInTableView:(UITableView *)list {
6224     NSInteger count([sections_ count]);
6225     return count == 0 ? 1 : count;
6226 }
6227
6228 - (NSString *) tableView:(UITableView *)list titleForHeaderInSection:(NSInteger)section {
6229     if ([sections_ count] == 0 || [[sections_ objectAtIndex:section] count] == 0)
6230         return nil;
6231     return [[sections_ objectAtIndex:section] name];
6232 }
6233
6234 - (NSInteger) tableView:(UITableView *)list numberOfRowsInSection:(NSInteger)section {
6235     if ([sections_ count] == 0)
6236         return 0;
6237     return [[sections_ objectAtIndex:section] count];
6238 }
6239
6240 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
6241 @synchronized (database_) {
6242     if ([database_ era] != era_)
6243         return nil;
6244
6245     Section *section([sections_ objectAtIndex:[path section]]);
6246     NSInteger row([path row]);
6247     Package *package([packages_ objectAtIndex:([section row] + row)]);
6248     return [[package retain] autorelease];
6249 } }
6250
6251 - (UITableViewCell *) tableView:(UITableView *)table cellForRowAtIndexPath:(NSIndexPath *)path {
6252     PackageCell *cell((PackageCell *) [table dequeueReusableCellWithIdentifier:@"Package"]);
6253     if (cell == nil)
6254         cell = [[[PackageCell alloc] init] autorelease];
6255     [cell setPackage:[self packageAtIndexPath:path]];
6256     return cell;
6257 }
6258
6259 - (void) tableView:(UITableView *)table didSelectRowAtIndexPath:(NSIndexPath *)path {
6260     Package *package([self packageAtIndexPath:path]);
6261     package = [database_ packageWithName:[package id]];
6262     [self didSelectPackage:package];
6263 }
6264
6265 - (NSArray *) sectionIndexTitlesForTableView:(UITableView *)tableView {
6266     // XXX: is 20 the most optimal number here?
6267     return [packages_ count] > 20 ? index_ : nil;
6268 }
6269
6270 - (NSInteger) tableView:(UITableView *)tableView sectionForSectionIndexTitle:(NSString *)title atIndex:(NSInteger)index {
6271 #if TryIndexedCollation
6272     if ([[self class] hasIndexedCollation]) {
6273         return [[objc_getClass("UILocalizedIndexedCollation") currentCollation] sectionForSectionIndexTitleAtIndex:index];
6274     }
6275 #endif
6276
6277     return index;
6278 }
6279
6280 - (id) initWithDatabase:(Database *)database title:(NSString *)title {
6281     if ((self = [super init]) != nil) {
6282         database_ = database;
6283         title_ = [title copy];
6284         [[self navigationItem] setTitle:title_];
6285
6286 #if TryIndexedCollation
6287         if ([[self class] hasIndexedCollation])
6288             index_ = [[[objc_getClass("UILocalizedIndexedCollation") currentCollation] sectionIndexTitles] retain]
6289         else
6290 #endif
6291             index_ = [[NSMutableArray alloc] initWithCapacity:32];
6292
6293         indices_ = [[NSMutableDictionary alloc] initWithCapacity:32];
6294
6295         packages_ = [[NSMutableArray arrayWithCapacity:16] retain];
6296         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
6297
6298         list_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain];
6299         [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6300         [list_ setRowHeight:73];
6301         [[self view] addSubview:list_];
6302
6303         [list_ setDataSource:self];
6304         [list_ setDelegate:self];
6305     } return self;
6306 }
6307
6308 - (void) setDelegate:(id)delegate {
6309     delegate_ = delegate;
6310 }
6311
6312 - (bool) hasPackage:(Package *)package {
6313     return true;
6314 }
6315
6316 - (void) reloadData {
6317     [super reloadData];
6318
6319     era_ = [database_ era];
6320     NSArray *packages = [database_ packages];
6321
6322     [packages_ removeAllObjects];
6323     [sections_ removeAllObjects];
6324
6325     _profile(PackageTable$reloadData$Filter)
6326         for (Package *package in packages)
6327             if ([self hasPackage:package])
6328                 [packages_ addObject:package];
6329     _end
6330
6331     [indices_ removeAllObjects];
6332
6333     Section *section = nil;
6334
6335 #if TryIndexedCollation
6336     if ([[self class] hasIndexedCollation]) {
6337         id collation = [objc_getClass("UILocalizedIndexedCollation") currentCollation];
6338         NSArray *titles = [collation sectionIndexTitles];
6339         int secidx = -1;
6340
6341         _profile(PackageTable$reloadData$Section)
6342             for (size_t offset(0), end([packages_ count]); offset != end; ++offset) {
6343                 Package *package;
6344                 int index;
6345
6346                 _profile(PackageTable$reloadData$Section$Package)
6347                     package = [packages_ objectAtIndex:offset];
6348                     index = [collation sectionForObject:package collationStringSelector:@selector(name)];
6349                 _end
6350
6351                 while (secidx < index) {
6352                     secidx += 1;
6353
6354                     _profile(PackageTable$reloadData$Section$Allocate)
6355                         section = [[[Section alloc] initWithName:[titles objectAtIndex:secidx] row:offset localize:NO] autorelease];
6356                     _end
6357
6358                     _profile(PackageTable$reloadData$Section$Add)
6359                         [sections_ addObject:section];
6360                     _end
6361                 }
6362
6363                 [section addToCount];
6364             }
6365         _end
6366     } else
6367 #endif
6368     {
6369         [index_ removeAllObjects];
6370
6371         _profile(PackageTable$reloadData$Section)
6372             for (size_t offset(0), end([packages_ count]); offset != end; ++offset) {
6373                 Package *package;
6374                 unichar index;
6375
6376                 _profile(PackageTable$reloadData$Section$Package)
6377                     package = [packages_ objectAtIndex:offset];
6378                     index = [package index];
6379                 _end
6380
6381                 if (section == nil || [section index] != index) {
6382                     _profile(PackageTable$reloadData$Section$Allocate)
6383                         section = [[[Section alloc] initWithIndex:index row:offset] autorelease];
6384                     _end
6385
6386                     [index_ addObject:[section name]];
6387                     //[indices_ setObject:[NSNumber numberForInt:[sections_ count]] forKey:index];
6388
6389                     _profile(PackageTable$reloadData$Section$Add)
6390                         [sections_ addObject:section];
6391                     _end
6392                 }
6393
6394                 [section addToCount];
6395             }
6396         _end
6397     }
6398
6399     _profile(PackageTable$reloadData$List)
6400         [list_ reloadData];
6401     _end
6402 }
6403
6404 - (void) resetCursor {
6405     [list_ scrollRectToVisible:CGRectMake(0, 0, 0, 0) animated:NO];
6406 }
6407
6408 @end
6409 /* }}} */
6410 /* Filtered Package List Controller {{{ */
6411 @interface FilteredPackageListController : PackageListController {
6412     SEL filter_;
6413     IMP imp_;
6414     id object_;
6415 }
6416
6417 - (void) setObject:(id)object;
6418 - (void) setObject:(id)object forFilter:(SEL)filter;
6419
6420 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object;
6421
6422 @end
6423
6424 @implementation FilteredPackageListController
6425
6426 - (void) dealloc {
6427     if (object_ != nil)
6428         [object_ release];
6429     [super dealloc];
6430 }
6431
6432 - (void) setFilter:(SEL)filter {
6433     filter_ = filter;
6434
6435     /* XXX: this is an unsafe optimization of doomy hell */
6436     Method method(class_getInstanceMethod([Package class], filter));
6437     _assert(method != NULL);
6438     imp_ = method_getImplementation(method);
6439     _assert(imp_ != NULL);
6440 }
6441
6442 - (void) setObject:(id)object {
6443     if (object_ != nil)
6444         [object_ release];
6445     if (object == nil)
6446         object_ = nil;
6447     else
6448         object_ = [object retain];
6449 }
6450
6451 - (void) setObject:(id)object forFilter:(SEL)filter {
6452     [self setFilter:filter];
6453     [self setObject:object];
6454 }
6455
6456 - (bool) hasPackage:(Package *)package {
6457     _profile(FilteredPackageTable$hasPackage)
6458         return [package valid] && (*reinterpret_cast<bool (*)(id, SEL, id)>(imp_))(package, filter_, object_);
6459     _end
6460 }
6461
6462 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object {
6463     if ((self = [super initWithDatabase:database title:title]) != nil) {
6464         [self setFilter:filter];
6465         [self setObject:object];
6466     } return self;
6467 }
6468
6469 @end
6470 /* }}} */
6471
6472 /* Home Controller {{{ */
6473 @interface HomeController : CYBrowserController {
6474 }
6475
6476 @end
6477
6478 @implementation HomeController
6479
6480 - (id) init {
6481     if ((self = [super init]) != nil) {
6482         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/home/", UI_]]];
6483     } return self;
6484 }
6485
6486 - (NSURL *) navigationURL {
6487     return [NSURL URLWithString:@"cydia://home"];
6488 }
6489
6490 - (void) _setMoreHeaders:(NSMutableURLRequest *)request {
6491     [super _setMoreHeaders:request];
6492
6493     if (ChipID_ != nil)
6494         [request setValue:ChipID_ forHTTPHeaderField:@"X-Chip-ID"];
6495     if (UniqueID_ != nil)
6496         [request setValue:UniqueID_ forHTTPHeaderField:@"X-Unique-ID"];
6497     if (PLMN_ != nil)
6498         [request setValue:PLMN_ forHTTPHeaderField:@"X-Carrier-ID"];
6499 }
6500
6501 - (void) aboutButtonClicked {
6502     UIAlertView *alert([[[UIAlertView alloc] init] autorelease]);
6503
6504     [alert setTitle:UCLocalize("ABOUT_CYDIA")];
6505     [alert addButtonWithTitle:UCLocalize("CLOSE")];
6506     [alert setCancelButtonIndex:0];
6507
6508     [alert setMessage:
6509         @"Copyright (C) 2008-2011\n"
6510         "Jay Freeman (saurik)\n"
6511         "saurik@saurik.com\n"
6512         "http://www.saurik.com/"
6513     ];
6514
6515     [alert show];
6516 }
6517
6518 - (void) viewDidLoad {
6519     [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
6520         initWithTitle:UCLocalize("ABOUT")
6521         style:UIBarButtonItemStylePlain
6522         target:self
6523         action:@selector(aboutButtonClicked)
6524     ] autorelease]];
6525 }
6526
6527 @end
6528 /* }}} */
6529 /* Manage Controller {{{ */
6530 @interface ManageController : CYBrowserController {
6531 }
6532
6533 - (void) queueStatusDidChange;
6534
6535 @end
6536
6537 @implementation ManageController
6538
6539 - (id) init {
6540     if ((self = [super init]) != nil) {
6541         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/manage/", UI_]]];
6542     } return self;
6543 }
6544
6545 - (NSURL *) navigationURL {
6546     return [NSURL URLWithString:@"cydia://manage"];
6547 }
6548
6549 - (void) viewDidLoad {
6550     [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
6551         initWithTitle:UCLocalize("SETTINGS")
6552         style:UIBarButtonItemStylePlain
6553         target:self
6554         action:@selector(settingsButtonClicked)
6555     ] autorelease]];
6556
6557     [self queueStatusDidChange];
6558 }
6559
6560 - (void) settingsButtonClicked {
6561     [delegate_ showSettings];
6562 }
6563
6564 #if !AlwaysReload
6565 - (void) queueButtonClicked {
6566     [delegate_ queue];
6567 }
6568
6569 - (void) applyLoadingTitle {
6570     // Disable "Loading" title.
6571 }
6572
6573 - (void) applyRightButton {
6574     // Disable right button.
6575 }
6576 #endif
6577
6578 - (void) queueStatusDidChange {
6579 #if !AlwaysReload
6580     if (!IsWildcat_ && Queuing_) {
6581         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
6582             initWithTitle:UCLocalize("QUEUE")
6583             style:UIBarButtonItemStyleDone
6584             target:self
6585             action:@selector(queueButtonClicked)
6586         ] autorelease]];
6587     } else {
6588         [[self navigationItem] setRightBarButtonItem:nil];
6589     }
6590 #endif
6591 }
6592
6593 - (bool) isLoading {
6594     // Never show as loading.
6595     return false;
6596 }
6597
6598 @end
6599 /* }}} */
6600
6601 /* Refresh Bar {{{ */
6602 @interface RefreshBar : UINavigationBar {
6603     UIProgressIndicator *indicator_;
6604     UITextLabel *prompt_;
6605     UIProgressBar *progress_;
6606     UINavigationButton *cancel_;
6607 }
6608
6609 @end
6610
6611 @implementation RefreshBar
6612
6613 - (void) dealloc {
6614     [indicator_ release];
6615     [prompt_ release];
6616     [progress_ release];
6617     [cancel_ release];
6618     [super dealloc];
6619 }
6620
6621 - (void) positionViews {
6622     CGRect frame = [cancel_ frame];
6623     frame.size = [cancel_ sizeThatFits:frame.size];
6624     frame.origin.x = [self frame].size.width - frame.size.width - 5;
6625     frame.origin.y = ([self frame].size.height - frame.size.height) / 2;
6626     [cancel_ setFrame:frame];
6627
6628     CGSize prgsize = {75, 100};
6629     CGRect prgrect = {{
6630         [self frame].size.width - prgsize.width - 10,
6631         ([self frame].size.height - prgsize.height) / 2
6632     } , prgsize};
6633     [progress_ setFrame:prgrect];
6634
6635     CGSize indsize([UIProgressIndicator defaultSizeForStyle:[indicator_ activityIndicatorViewStyle]]);
6636     unsigned indoffset = ([self frame].size.height - indsize.height) / 2;
6637     CGRect indrect = {{indoffset, indoffset}, indsize};
6638     [indicator_ setFrame:indrect];
6639
6640     CGSize prmsize = {215, indsize.height + 4};
6641     CGRect prmrect = {{
6642         indoffset * 2 + indsize.width,
6643         unsigned([self frame].size.height - prmsize.height) / 2 - 1
6644     }, prmsize};
6645     [prompt_ setFrame:prmrect];
6646 }
6647
6648 - (void) setFrame:(CGRect)frame {
6649     [super setFrame:frame];
6650     [self positionViews];
6651 }
6652
6653 - (id) initWithFrame:(CGRect)frame delegate:(id)delegate {
6654     if ((self = [super initWithFrame:frame]) != nil) {
6655         [self setAutoresizingMask:UIViewAutoresizingFlexibleWidth];
6656
6657         [self setBarStyle:UIBarStyleBlack];
6658
6659         UIBarStyle barstyle([self _barStyle:NO]);
6660         bool ugly(barstyle == UIBarStyleDefault);
6661
6662         UIProgressIndicatorStyle style = ugly ?
6663             UIProgressIndicatorStyleMediumBrown :
6664             UIProgressIndicatorStyleMediumWhite;
6665
6666         indicator_ = [[UIProgressIndicator alloc] initWithFrame:CGRectZero];
6667         [indicator_ setStyle:style];
6668         [indicator_ startAnimation];
6669         [self addSubview:indicator_];
6670
6671         prompt_ = [[UITextLabel alloc] initWithFrame:CGRectZero];
6672         [prompt_ setColor:[UIColor colorWithCGColor:(ugly ? Blueish_ : Off_)]];
6673         [prompt_ setBackgroundColor:[UIColor clearColor]];
6674         [prompt_ setFont:[UIFont systemFontOfSize:15]];
6675         [self addSubview:prompt_];
6676
6677         progress_ = [[UIProgressBar alloc] initWithFrame:CGRectZero];
6678         [progress_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleLeftMargin];
6679         [progress_ setStyle:0];
6680         [self addSubview:progress_];
6681
6682         cancel_ = [[UINavigationButton alloc] initWithTitle:UCLocalize("CANCEL") style:UINavigationButtonStyleHighlighted];
6683         [cancel_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
6684         [cancel_ addTarget:delegate action:@selector(cancelPressed) forControlEvents:UIControlEventTouchUpInside];
6685         [cancel_ setBarStyle:barstyle];
6686
6687         [self positionViews];
6688     } return self;
6689 }
6690
6691 - (void) setCancellable:(bool)cancellable {
6692     if (cancellable)
6693         [self addSubview:cancel_];
6694     else
6695         [cancel_ removeFromSuperview];
6696 }
6697
6698 - (void) start {
6699     [prompt_ setText:UCLocalize("UPDATING_DATABASE")];
6700     [progress_ setProgress:0];
6701 }
6702
6703 - (void) stop {
6704     [self setCancellable:NO];
6705 }
6706
6707 - (void) setPrompt:(NSString *)prompt {
6708     [prompt_ setText:prompt];
6709 }
6710
6711 - (void) setProgress:(float)progress {
6712     [progress_ setProgress:progress];
6713 }
6714
6715 @end
6716 /* }}} */
6717
6718 @class CYNavigationController;
6719
6720 /* Cydia Tab Bar Controller {{{ */
6721 @interface CYTabBarController : UITabBarController <
6722     UITabBarControllerDelegate,
6723     ProgressDelegate
6724 > {
6725     _transient Database *database_;
6726     RefreshBar *refreshbar_;
6727
6728     bool dropped_;
6729     bool updating_;
6730     // XXX: ok, "updatedelegate_"?...
6731     _transient NSObject<CydiaDelegate> *updatedelegate_;
6732
6733     id root_;
6734     UIViewController *remembered_;
6735     _transient UIViewController *transient_;
6736 }
6737
6738 - (NSArray *) navigationURLCollection;
6739 - (void) dropBar:(BOOL)animated;
6740 - (void) beginUpdate;
6741 - (void) raiseBar:(BOOL)animated;
6742 - (BOOL) updating;
6743
6744 @end
6745
6746 @implementation CYTabBarController
6747
6748 - (void) setUnselectedViewController:(UIViewController *)transient {
6749     NSMutableArray *controllers = [[self viewControllers] mutableCopy];
6750     if (transient != nil) {
6751         if (transient_ == nil)
6752             remembered_ = [[controllers objectAtIndex:0] retain];
6753         transient_ = transient;
6754         [transient_ setTabBarItem:[remembered_ tabBarItem]];
6755         [controllers replaceObjectAtIndex:0 withObject:transient_];
6756         [self setSelectedIndex:0];
6757         [self setViewControllers:controllers];
6758         [self concealTabBarSelection];
6759     } else if (remembered_ != nil) {
6760         [remembered_ setTabBarItem:[transient_ tabBarItem]];
6761         transient_ = transient;
6762         [controllers replaceObjectAtIndex:0 withObject:remembered_];
6763         [remembered_ release];
6764         remembered_ = nil;
6765         [self setViewControllers:controllers];
6766         [self revealTabBarSelection];
6767     }
6768 }
6769
6770 - (UIViewController *) unselectedViewController {
6771     return transient_;
6772 }
6773
6774 - (void) tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UIViewController *)viewController {
6775     if ([self unselectedViewController])
6776         [self setUnselectedViewController:nil];
6777 }
6778
6779 - (NSArray *) navigationURLCollection {
6780     NSMutableArray *items([NSMutableArray array]);
6781
6782     // XXX: Should this deal with transient view controllers?
6783     for (id navigation in [self viewControllers]) {
6784         NSArray *stack = [navigation performSelector:@selector(navigationURLCollection)];
6785         if (stack != nil)
6786             [items addObject:stack];
6787     }
6788
6789     return items;
6790 }
6791
6792 - (void) reloadData {
6793     for (CYViewController *controller in [self viewControllers])
6794         [controller reloadData];
6795
6796     [(CYNavigationController *)[self unselectedViewController] reloadData];
6797 }
6798
6799 - (void) dealloc {
6800     [refreshbar_ release];
6801     [[NSNotificationCenter defaultCenter] removeObserver:self];
6802
6803     [super dealloc];
6804 }
6805
6806 - (id) initWithDatabase:(Database *)database {
6807     if ((self = [super init]) != nil) {
6808         database_ = database;
6809         [self setDelegate:self];
6810
6811         [[self view] setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6812         [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(statusBarFrameChanged:) name:UIApplicationDidChangeStatusBarFrameNotification object:nil];
6813
6814         refreshbar_ = [[RefreshBar alloc] initWithFrame:CGRectMake(0, 0, [[self view] frame].size.width, [UINavigationBar defaultSize].height) delegate:self];
6815     } return self;
6816 }
6817
6818 - (void) setUpdate:(NSDate *)date {
6819     [self beginUpdate];
6820 }
6821
6822 - (void) beginUpdate {
6823     [refreshbar_ start];
6824     [self dropBar:YES];
6825
6826     [updatedelegate_ retainNetworkActivityIndicator];
6827     updating_ = true;
6828
6829     [NSThread
6830         detachNewThreadSelector:@selector(performUpdate)
6831         toTarget:self
6832         withObject:nil
6833     ];
6834 }
6835
6836 - (void) performUpdate { _pooled
6837     Status status;
6838     status.setDelegate(self);
6839     [database_ updateWithStatus:status];
6840
6841     [self
6842         performSelectorOnMainThread:@selector(completeUpdate)
6843         withObject:nil
6844         waitUntilDone:NO
6845     ];
6846 }
6847
6848 - (void) stopUpdateWithSelector:(SEL)selector {
6849     updating_ = false;
6850     [updatedelegate_ releaseNetworkActivityIndicator];
6851
6852     [self raiseBar:YES];
6853     [refreshbar_ stop];
6854
6855     [updatedelegate_ performSelector:selector withObject:nil afterDelay:0];
6856 }
6857
6858 - (void) completeUpdate {
6859     if (!updating_)
6860         return;
6861     [self stopUpdateWithSelector:@selector(reloadData)];
6862 }
6863
6864 - (void) cancelUpdate {
6865     [self stopUpdateWithSelector:@selector(updateData)];
6866 }
6867
6868 - (void) cancelPressed {
6869     [self cancelUpdate];
6870 }
6871
6872 - (BOOL) updating {
6873     return updating_;
6874 }
6875
6876 - (void) addProgressEvent:(CydiaProgressEvent *)event {
6877     [refreshbar_ setPrompt:[event compoundMessage]];
6878 }
6879
6880 - (bool) isProgressCancelled {
6881     return !updating_;
6882 }
6883
6884 - (void) setProgressCancellable:(NSNumber *)cancellable {
6885     [refreshbar_ setCancellable:(updating_ && [cancellable boolValue])];
6886 }
6887
6888 - (void) setProgressPercent:(NSNumber *)percent {
6889     [refreshbar_ setProgress:[percent floatValue]];
6890 }
6891
6892 - (void) setProgressStatus:(NSDictionary *)status {
6893     if (status != nil)
6894         [self setProgressPercent:[status objectForKey:@"Percent"]];
6895 }
6896
6897 - (void) setUpdateDelegate:(id)delegate {
6898     updatedelegate_ = delegate;
6899 }
6900
6901 - (CGFloat) statusBarHeight {
6902     if (UIInterfaceOrientationIsPortrait([self interfaceOrientation])) {
6903         return [[UIApplication sharedApplication] statusBarFrame].size.height;
6904     } else {
6905         return [[UIApplication sharedApplication] statusBarFrame].size.width;
6906     }
6907 }
6908
6909 - (UIView *) transitionView {
6910     if ([self respondsToSelector:@selector(_transitionView)])
6911         return [self _transitionView];
6912     else
6913         return MSHookIvar<id>(self, "_viewControllerTransitionView");
6914 }
6915
6916 - (void) dropBar:(BOOL)animated {
6917     if (dropped_)
6918         return;
6919     dropped_ = true;
6920
6921     UIView *transition([self transitionView]);
6922     [[self view] addSubview:refreshbar_];
6923
6924     CGRect barframe([refreshbar_ frame]);
6925
6926     if (kCFCoreFoundationVersionNumber >= kCFCoreFoundationVersionNumber_iPhoneOS_3_0) // XXX: _UIApplicationLinkedOnOrAfter(4)
6927         barframe.origin.y = [self statusBarHeight];
6928     else
6929         barframe.origin.y = 0;
6930
6931     [refreshbar_ setFrame:barframe];
6932
6933     if (animated)
6934         [UIView beginAnimations:nil context:NULL];
6935
6936     CGRect viewframe = [transition frame];
6937     viewframe.origin.y += barframe.size.height;
6938     viewframe.size.height -= barframe.size.height;
6939     [transition setFrame:viewframe];
6940
6941     if (animated)
6942         [UIView commitAnimations];
6943
6944     // Ensure bar has the proper width for our view, it might have changed
6945     barframe.size.width = viewframe.size.width;
6946     [refreshbar_ setFrame:barframe];
6947
6948     // XXX: fix Apple's layout bug
6949     [[root_ selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
6950 }
6951
6952 - (void) raiseBar:(BOOL)animated {
6953     if (!dropped_)
6954         return;
6955     dropped_ = false;
6956
6957     UIView *transition([self transitionView]);
6958     [refreshbar_ removeFromSuperview];
6959
6960     CGRect barframe([refreshbar_ frame]);
6961
6962     if (animated)
6963         [UIView beginAnimations:nil context:NULL];
6964
6965     CGRect viewframe = [transition frame];
6966     viewframe.origin.y -= barframe.size.height;
6967     viewframe.size.height += barframe.size.height;
6968     [transition setFrame:viewframe];
6969
6970     if (animated)
6971         [UIView commitAnimations];
6972
6973     // XXX: fix Apple's layout bug
6974     // SRK [[self selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
6975 }
6976
6977 #if 0
6978 - (void) willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation duration:(NSTimeInterval)duration {
6979     // XXX: fix Apple's layout bug
6980     // SRK [[self selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
6981 }
6982 #endif
6983
6984 - (void) didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
6985     bool dropped(dropped_);
6986
6987     if (dropped)
6988         [self raiseBar:NO];
6989
6990     [super didRotateFromInterfaceOrientation:fromInterfaceOrientation];
6991
6992     if (dropped)
6993         [self dropBar:NO];
6994
6995     // XXX: fix Apple's layout bug
6996     // SRK [[self selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
6997 }
6998
6999 - (void) statusBarFrameChanged:(NSNotification *)notification {
7000     if (dropped_) {
7001         [self raiseBar:NO];
7002         [self dropBar:NO];
7003     }
7004 }
7005
7006 @end
7007 /* }}} */
7008 /* Cydia Navigation Controller {{{ */
7009 @interface CYNavigationController : UINavigationController {
7010     _transient Database *database_;
7011     _transient id<UINavigationControllerDelegate> delegate_;
7012 }
7013
7014 - (NSArray *) navigationURLCollection;
7015 - (id) initWithDatabase:(Database *)database;
7016 - (void) reloadData;
7017
7018 @end
7019
7020
7021 @implementation CYNavigationController
7022
7023 - (NSArray *) navigationURLCollection {
7024     NSMutableArray *stack([NSMutableArray array]);
7025
7026     for (CYViewController *controller in [self viewControllers]) {
7027         NSString *url = [[controller navigationURL] absoluteString];
7028         if (url != nil)
7029             [stack addObject:url];
7030     }
7031
7032     return stack;
7033 }
7034
7035 - (void) reloadData {
7036     for (CYViewController *page in [self viewControllers]) {
7037         // Only reload controllers that have already loaded.
7038         // This prevents a page from accidentally loading too
7039         // early if it hasn't been shown on the screen yet.
7040         if ([page hasLoaded])
7041             [page reloadData];
7042     }
7043 }
7044
7045 - (void) setDelegate:(id<UINavigationControllerDelegate>)delegate {
7046     delegate_ = delegate;
7047 }
7048
7049 - (id) initWithDatabase:(Database *)database {
7050     if ((self = [super init]) != nil) {
7051         database_ = database;
7052     } return self;
7053 }
7054
7055 @end
7056 /* }}} */
7057
7058 /* Cydia:// Protocol {{{ */
7059 @interface CydiaURLProtocol : NSURLProtocol {
7060 }
7061
7062 @end
7063
7064 @implementation CydiaURLProtocol
7065
7066 + (BOOL) canInitWithRequest:(NSURLRequest *)request {
7067     NSURL *url([request URL]);
7068     if (url == nil)
7069         return NO;
7070
7071     NSString *scheme([[url scheme] lowercaseString]);
7072     if (scheme != nil && [scheme isEqualToString:@"cydia"])
7073         return YES;
7074     if ([[url absoluteString] hasPrefix:@"about:cydia-"])
7075         return YES;
7076
7077     return NO;
7078 }
7079
7080 + (NSURLRequest *) canonicalRequestForRequest:(NSURLRequest *)request {
7081     return request;
7082 }
7083
7084 - (void) _returnPNGWithImage:(UIImage *)icon forRequest:(NSURLRequest *)request {
7085     id<NSURLProtocolClient> client([self client]);
7086     if (icon == nil)
7087         [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorFileDoesNotExist userInfo:nil]];
7088     else {
7089         NSData *data(UIImagePNGRepresentation(icon));
7090
7091         NSURLResponse *response([[[NSURLResponse alloc] initWithURL:[request URL] MIMEType:@"image/png" expectedContentLength:-1 textEncodingName:nil] autorelease]);
7092         [client URLProtocol:self didReceiveResponse:response cacheStoragePolicy:NSURLCacheStorageNotAllowed];
7093         [client URLProtocol:self didLoadData:data];
7094         [client URLProtocolDidFinishLoading:self];
7095     }
7096 }
7097
7098 - (void) startLoading {
7099     id<NSURLProtocolClient> client([self client]);
7100     NSURLRequest *request([self request]);
7101
7102     NSURL *url([request URL]);
7103     NSString *href([url absoluteString]);
7104     NSString *scheme([[url scheme] lowercaseString]);
7105
7106     NSString *path;
7107
7108     if ([scheme isEqualToString:@"cydia"])
7109         path = [href substringFromIndex:8];
7110     else if ([scheme isEqualToString:@"about"])
7111         path = [href substringFromIndex:12];
7112     else _assert(false);
7113
7114     NSRange slash([path rangeOfString:@"/"]);
7115
7116     NSString *command;
7117     if (slash.location == NSNotFound) {
7118         command = path;
7119         path = nil;
7120     } else {
7121         command = [path substringToIndex:slash.location];
7122         path = [path substringFromIndex:(slash.location + 1)];
7123     }
7124
7125     Database *database([Database sharedInstance]);
7126
7127     if ([command isEqualToString:@"package-icon"]) {
7128         if (path == nil)
7129             goto fail;
7130         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7131         Package *package([database packageWithName:path]);
7132         if (package == nil)
7133             goto fail;
7134         UIImage *icon([package icon]);
7135         [self _returnPNGWithImage:icon forRequest:request];
7136     } else if ([command isEqualToString:@"source-icon"]) {
7137         if (path == nil)
7138             goto fail;
7139         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7140         NSString *source(Simplify(path));
7141         UIImage *icon([UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sources/%@.png", App_, source]]);
7142         if (icon == nil)
7143             icon = [UIImage applicationImageNamed:@"unknown.png"];
7144         [self _returnPNGWithImage:icon forRequest:request];
7145     } else if ([command isEqualToString:@"uikit-image"]) {
7146         if (path == nil)
7147             goto fail;
7148         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7149         UIImage *icon(_UIImageWithName(path));
7150         [self _returnPNGWithImage:icon forRequest:request];
7151     } else if ([command isEqualToString:@"section-icon"]) {
7152         if (path == nil)
7153             goto fail;
7154         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7155         NSString *section(Simplify(path));
7156         UIImage *icon([UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, section]]);
7157         if (icon == nil)
7158             icon = [UIImage applicationImageNamed:@"unknown.png"];
7159         [self _returnPNGWithImage:icon forRequest:request];
7160     } else fail: {
7161         [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorResourceUnavailable userInfo:nil]];
7162     }
7163 }
7164
7165 - (void) stopLoading {
7166 }
7167
7168 @end
7169 /* }}} */
7170
7171 /* Section Controller {{{ */
7172 @interface SectionController : FilteredPackageListController {
7173     _H<NSString> section_;
7174 }
7175
7176 - (id) initWithDatabase:(Database *)database section:(NSString *)section;
7177
7178 @end
7179
7180 @implementation SectionController
7181
7182 - (NSURL *) navigationURL {
7183     NSString *name = section_;
7184     if (name == nil)
7185         name = @"all";
7186
7187     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sections/%@", name]];
7188 }
7189
7190 - (id) initWithDatabase:(Database *)database section:(NSString *)name {
7191     NSString *title;
7192     if (name == nil)
7193         title = UCLocalize("ALL_PACKAGES");
7194     else if (![name isEqual:@""])
7195         title = [[NSBundle mainBundle] localizedStringForKey:Simplify(name) value:nil table:@"Sections"];
7196     else
7197         title = UCLocalize("NO_SECTION");
7198
7199     if ((self = [super initWithDatabase:database title:title filter:@selector(isVisibleInSection:) with:name]) != nil) {
7200         section_ = name;
7201     } return self;
7202 }
7203
7204 @end
7205 /* }}} */
7206 /* Sections Controller {{{ */
7207 @interface SectionsController : CYViewController <
7208     UITableViewDataSource,
7209     UITableViewDelegate
7210 > {
7211     _transient Database *database_;
7212     NSMutableArray *sections_;
7213     NSMutableArray *filtered_;
7214     UITableView *list_;
7215     BOOL editing_;
7216 }
7217
7218 - (id) initWithDatabase:(Database *)database;
7219 - (void) editButtonClicked;
7220
7221 @end
7222
7223 @implementation SectionsController
7224
7225 - (void) dealloc {
7226     [self releaseSubviews];
7227     [sections_ release];
7228     [filtered_ release];
7229
7230     [super dealloc];
7231 }
7232
7233 - (NSURL *) navigationURL {
7234     return [NSURL URLWithString:@"cydia://sections"];
7235 }
7236
7237 - (void) updateNavigationItem {
7238     [[self navigationItem] setTitle:editing_ ? UCLocalize("SECTION_VISIBILITY") : UCLocalize("SECTIONS")];
7239     if ([sections_ count] == 0) {
7240         [[self navigationItem] setRightBarButtonItem:nil];
7241     } else {
7242         [[self navigationItem] setRightBarButtonItem:[[UIBarButtonItem alloc]
7243             initWithBarButtonSystemItem:(editing_ ? UIBarButtonSystemItemDone : UIBarButtonSystemItemEdit)
7244             target:self
7245             action:@selector(editButtonClicked)
7246         ] animated:([[self navigationItem] rightBarButtonItem] != nil)];
7247     }
7248 }
7249
7250 - (BOOL) isEditing {
7251     return editing_;
7252 }
7253
7254 - (void) setEditing:(BOOL)editing {
7255     if ((editing_ = editing))
7256         [list_ reloadData];
7257     else
7258         [delegate_ updateData];
7259
7260     [self updateNavigationItem];
7261 }
7262
7263 - (void) viewDidAppear:(BOOL)animated {
7264     [super viewDidAppear:animated];
7265     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
7266 }
7267
7268 - (void) viewWillDisappear:(BOOL)animated {
7269     [super viewWillDisappear:animated];
7270     if (editing_) [self setEditing:NO];
7271 }
7272
7273 - (Section *) sectionAtIndexPath:(NSIndexPath *)indexPath {
7274     Section *section = (editing_ ? [sections_ objectAtIndex:[indexPath row]] : ([indexPath row] == 0 ? nil : [filtered_ objectAtIndex:([indexPath row] - 1)]));
7275     return section;
7276 }
7277
7278 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7279     return editing_ ? [sections_ count] : [filtered_ count] + 1;
7280 }
7281
7282 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
7283     return 45.0f;
7284 }*/
7285
7286 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7287     static NSString *reuseIdentifier = @"SectionCell";
7288
7289     SectionCell *cell = (SectionCell *)[tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
7290     if (cell == nil)
7291         cell = [[[SectionCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
7292
7293     [cell setSection:[self sectionAtIndexPath:indexPath] editing:editing_];
7294
7295     return cell;
7296 }
7297
7298 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
7299     if (editing_)
7300         return;
7301
7302     Section *section = [self sectionAtIndexPath:indexPath];
7303
7304     SectionController *controller = [[[SectionController alloc]
7305         initWithDatabase:database_
7306         section:[section name]
7307     ] autorelease];
7308     [controller setDelegate:delegate_];
7309
7310     [[self navigationController] pushViewController:controller animated:YES];
7311 }
7312
7313 - (void) loadView {
7314     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7315
7316     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds]];
7317     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7318     [list_ setRowHeight:45.0f];
7319     [list_ setDataSource:self];
7320     [list_ setDelegate:self];
7321     [[self view] addSubview:list_];
7322 }
7323
7324 - (void) viewDidLoad {
7325     [[self navigationItem] setTitle:UCLocalize("SECTIONS")];
7326 }
7327
7328 - (void) releaseSubviews {
7329     [list_ release];
7330     list_ = nil;
7331 }
7332
7333 - (id) initWithDatabase:(Database *)database {
7334     if ((self = [super init]) != nil) {
7335         database_ = database;
7336
7337         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
7338         filtered_ = [[NSMutableArray arrayWithCapacity:16] retain];
7339     } return self;
7340 }
7341
7342 - (void) reloadData {
7343     [super reloadData];
7344
7345     NSArray *packages = [database_ packages];
7346
7347     [sections_ removeAllObjects];
7348     [filtered_ removeAllObjects];
7349
7350     NSMutableDictionary *sections([NSMutableDictionary dictionaryWithCapacity:32]);
7351
7352     _trace();
7353     for (Package *package in packages) {
7354         NSString *name([package section]);
7355         NSString *key(name == nil ? @"" : name);
7356
7357         Section *section;
7358
7359         _profile(SectionsView$reloadData$Section)
7360             section = [sections objectForKey:key];
7361             if (section == nil) {
7362                 _profile(SectionsView$reloadData$Section$Allocate)
7363                     section = [[[Section alloc] initWithName:key localize:YES] autorelease];
7364                     [sections setObject:section forKey:key];
7365                 _end
7366             }
7367         _end
7368
7369         [section addToCount];
7370
7371         _profile(SectionsView$reloadData$Filter)
7372             if (![package valid] || ![package visible])
7373                 continue;
7374         _end
7375
7376         [section addToRow];
7377     }
7378     _trace();
7379
7380     [sections_ addObjectsFromArray:[sections allValues]];
7381
7382     [sections_ sortUsingSelector:@selector(compareByLocalized:)];
7383
7384     for (Section *section in sections_) {
7385         size_t count([section row]);
7386         if (count == 0)
7387             continue;
7388
7389         section = [[[Section alloc] initWithName:[section name] localized:[section localized]] autorelease];
7390         [section setCount:count];
7391         [filtered_ addObject:section];
7392     }
7393
7394     [self updateNavigationItem];
7395     [list_ reloadData];
7396     _trace();
7397 }
7398
7399 - (void) editButtonClicked {
7400     [self setEditing:(!editing_)];
7401 }
7402
7403 @end
7404 /* }}} */
7405
7406 /* Changes Controller {{{ */
7407 @interface ChangesController : CYViewController <
7408     UITableViewDataSource,
7409     UITableViewDelegate
7410 > {
7411     _transient Database *database_;
7412     unsigned era_;
7413     CFMutableArrayRef packages_;
7414     NSMutableArray *sections_;
7415     UITableView *list_;
7416     unsigned upgrades_;
7417     BOOL hasSentFirstLoad_;
7418 }
7419
7420 - (id) initWithDatabase:(Database *)database;
7421
7422 @end
7423
7424 @implementation ChangesController
7425
7426 - (void) dealloc {
7427     [self releaseSubviews];
7428     CFRelease(packages_);
7429     [sections_ release];
7430
7431     [super dealloc];
7432 }
7433
7434 - (NSURL *) navigationURL {
7435     return [NSURL URLWithString:@"cydia://changes"];
7436 }
7437
7438 - (void) viewWillAppear:(BOOL)animated {
7439     // Loads after it appears, so don't load beforehand.
7440     loaded_ = YES;
7441     [super viewWillAppear:animated];
7442 }
7443
7444 - (void) viewDidAppear:(BOOL)animated {
7445     [super viewDidAppear:animated];
7446
7447     if (!hasSentFirstLoad_) {
7448         hasSentFirstLoad_ = YES;
7449         [self performSelector:@selector(reloadData) withObject:nil afterDelay:0.0];
7450     } else {
7451         [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
7452     }
7453 }
7454
7455 - (NSInteger) numberOfSectionsInTableView:(UITableView *)list {
7456     NSInteger count([sections_ count]);
7457     return count == 0 ? 1 : count;
7458 }
7459
7460 - (NSString *) tableView:(UITableView *)list titleForHeaderInSection:(NSInteger)section {
7461     if ([sections_ count] == 0)
7462         return nil;
7463     return [[sections_ objectAtIndex:section] name];
7464 }
7465
7466 - (NSInteger) tableView:(UITableView *)list numberOfRowsInSection:(NSInteger)section {
7467     if ([sections_ count] == 0)
7468         return 0;
7469     return [[sections_ objectAtIndex:section] count];
7470 }
7471
7472 - (Package *) packageAtIndex:(NSUInteger)index {
7473     return (Package *) CFArrayGetValueAtIndex(packages_, index);
7474 }
7475
7476 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
7477 @synchronized (database_) {
7478     if ([database_ era] != era_)
7479         return nil;
7480
7481     NSUInteger sectionIndex([path section]);
7482     if (sectionIndex >= [sections_ count])
7483         return nil;
7484     Section *section([sections_ objectAtIndex:sectionIndex]);
7485     NSInteger row([path row]);
7486     return [[[self packageAtIndex:([section row] + row)] retain] autorelease];
7487 } }
7488
7489 - (UITableViewCell *) tableView:(UITableView *)table cellForRowAtIndexPath:(NSIndexPath *)path {
7490     PackageCell *cell((PackageCell *) [table dequeueReusableCellWithIdentifier:@"Package"]);
7491     if (cell == nil)
7492         cell = [[[PackageCell alloc] init] autorelease];
7493     [cell setPackage:[self packageAtIndexPath:path]];
7494     return cell;
7495 }
7496
7497 - (NSIndexPath *) tableView:(UITableView *)table willSelectRowAtIndexPath:(NSIndexPath *)path {
7498     Package *package([self packageAtIndexPath:path]);
7499     CYPackageController *view([[[CYPackageController alloc] initWithDatabase:database_ forPackage:[package id]] autorelease]);
7500     [view setDelegate:delegate_];
7501     [[self navigationController] pushViewController:view animated:YES];
7502     return path;
7503 }
7504
7505 - (void) refreshButtonClicked {
7506     [delegate_ beginUpdate];
7507     [[self navigationItem] setLeftBarButtonItem:nil animated:YES];
7508 }
7509
7510 - (void) upgradeButtonClicked {
7511     [delegate_ distUpgrade];
7512 }
7513
7514 - (void) loadView {
7515     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7516
7517     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain];
7518     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7519     [list_ setRowHeight:73];
7520     [list_ setDataSource:self];
7521     [list_ setDelegate:self];
7522     [[self view] addSubview:list_];
7523 }
7524
7525 - (void) viewDidLoad {
7526     [[self navigationItem] setTitle:UCLocalize("CHANGES")];
7527 }
7528
7529 - (void) releaseSubviews {
7530     [list_ release];
7531     list_ = nil;
7532 }
7533
7534 - (id) initWithDatabase:(Database *)database {
7535     if ((self = [super init]) != nil) {
7536         database_ = database;
7537
7538         packages_ = CFArrayCreateMutable(kCFAllocatorDefault, 0, NULL);
7539         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
7540     } return self;
7541 }
7542
7543 // this mostly works because reloadData (below) is @synchronized (database_)
7544 // XXX: that said, I've been running into problems with NSRangeExceptions :(
7545 - (void) _reloadPackages:(NSArray *)packages {
7546     CFRelease(packages_);
7547     packages_ = CFArrayCreateMutable(kCFAllocatorDefault, [packages count], NULL);
7548
7549     _trace();
7550     _profile(ChangesController$_reloadPackages$Filter)
7551         for (Package *package in packages)
7552             if ([package upgradableAndEssential:YES] || [package visible])
7553                 CFArrayAppendValue(packages_, package);
7554     _end
7555     _trace();
7556     _profile(ChangesController$_reloadPackages$radixSort)
7557         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackageChangesRadix) withContext:NULL];
7558     _end
7559     _trace();
7560 }
7561
7562 - (void) reloadData {
7563 @synchronized (database_) {
7564     era_ = [database_ era];
7565     NSArray *packages = [database_ packages];
7566
7567     [sections_ removeAllObjects];
7568
7569 #if 1
7570     UIProgressHUD *hud([delegate_ addProgressHUD]);
7571     [hud setText:UCLocalize("LOADING")];
7572     //NSLog(@"HUD:%@::%@", delegate_, hud);
7573     [self yieldToSelector:@selector(_reloadPackages:) withObject:packages];
7574     [delegate_ removeProgressHUD:hud];
7575 #else
7576     [self _reloadPackages:packages];
7577 #endif
7578
7579     Section *upgradable = [[[Section alloc] initWithName:UCLocalize("AVAILABLE_UPGRADES") localize:NO] autorelease];
7580     Section *ignored = nil;
7581     Section *section = nil;
7582     time_t last = 0;
7583
7584     upgrades_ = 0;
7585     bool unseens = false;
7586
7587     CFDateFormatterRef formatter(CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle));
7588
7589     for (size_t offset = 0, count = CFArrayGetCount(packages_); offset != count; ++offset) {
7590         Package *package = [self packageAtIndex:offset];
7591
7592         BOOL uae = [package upgradableAndEssential:YES];
7593
7594         if (!uae) {
7595             unseens = true;
7596             time_t seen([package seen]);
7597
7598             if (section == nil || last != seen) {
7599                 last = seen;
7600
7601                 NSString *name;
7602                 name = (NSString *) CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) [NSDate dateWithTimeIntervalSince1970:seen]);
7603                 [name autorelease];
7604
7605                 _profile(ChangesController$reloadData$Allocate)
7606                     name = [NSString stringWithFormat:UCLocalize("NEW_AT"), name];
7607                     section = [[[Section alloc] initWithName:name row:offset localize:NO] autorelease];
7608                     [sections_ addObject:section];
7609                 _end
7610             }
7611
7612             [section addToCount];
7613         } else if ([package ignored]) {
7614             if (ignored == nil) {
7615                 ignored = [[[Section alloc] initWithName:UCLocalize("IGNORED_UPGRADES") row:offset localize:NO] autorelease];
7616             }
7617             [ignored addToCount];
7618         } else {
7619             ++upgrades_;
7620             [upgradable addToCount];
7621         }
7622     }
7623     _trace();
7624
7625     CFRelease(formatter);
7626
7627     if (unseens) {
7628         Section *last = [sections_ lastObject];
7629         size_t count = [last count];
7630         CFArrayReplaceValues(packages_, CFRangeMake(CFArrayGetCount(packages_) - count, count), NULL, 0);
7631         [sections_ removeLastObject];
7632     }
7633
7634     if ([ignored count] != 0)
7635         [sections_ insertObject:ignored atIndex:0];
7636     if (upgrades_ != 0)
7637         [sections_ insertObject:upgradable atIndex:0];
7638
7639     [list_ reloadData];
7640
7641     if (upgrades_ > 0)
7642         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
7643             initWithTitle:[NSString stringWithFormat:UCLocalize("PARENTHETICAL"), UCLocalize("UPGRADE"), [NSString stringWithFormat:@"%u", upgrades_]]
7644             style:UIBarButtonItemStylePlain
7645             target:self
7646             action:@selector(upgradeButtonClicked)
7647         ] autorelease]];
7648
7649     if (![delegate_ updating])
7650         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
7651             initWithTitle:UCLocalize("REFRESH")
7652             style:UIBarButtonItemStylePlain
7653             target:self
7654             action:@selector(refreshButtonClicked)
7655         ] autorelease]];
7656
7657     PrintTimes();
7658 } }
7659
7660 @end
7661 /* }}} */
7662 /* Search Controller {{{ */
7663 @interface SearchController : FilteredPackageListController <
7664     UISearchBarDelegate
7665 > {
7666     _H<UISearchBar> search_;
7667     BOOL searchloaded_;
7668 }
7669
7670 - (id) initWithDatabase:(Database *)database;
7671 - (void) setSearchTerm:(NSString *)term;
7672 - (void) reloadData;
7673
7674 @end
7675
7676 @implementation SearchController
7677
7678 - (void) dealloc {
7679     [search_ setDelegate:nil];
7680     [super dealloc];
7681 }
7682
7683 - (NSURL *) navigationURL {
7684     if ([search_ text] == nil || [[search_ text] isEqualToString:@""])
7685         return [NSURL URLWithString:@"cydia://search"];
7686     else
7687         return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://search/%@", [search_ text]]];
7688 }
7689
7690 - (void) setSearchTerm:(NSString *)searchTerm {
7691     [search_ setText:searchTerm];
7692     [self reloadData];
7693 }
7694
7695 - (void) searchBarSearchButtonClicked:(UISearchBar *)searchBar {
7696     [self setObject:[search_ text] forFilter:@selector(isUnfilteredAndSearchedForBy:)];
7697     [search_ resignFirstResponder];
7698     [self reloadData];
7699 }
7700
7701 - (void) searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)text {
7702     [self setObject:text forFilter:@selector(isUnfilteredAndSelectedForBy:)];
7703     [self reloadData];
7704 }
7705
7706 - (id) initWithDatabase:(Database *)database {
7707     if ((self = [super initWithDatabase:database title:UCLocalize("SEARCH") filter:@selector(isUnfilteredAndSearchedForBy:) with:nil])) {
7708         search_ = [[[UISearchBar alloc] init] autorelease];
7709         [search_ setDelegate:self];
7710     } return self;
7711 }
7712
7713 - (void) viewDidAppear:(BOOL)animated {
7714     [super viewDidAppear:animated];
7715
7716     if (!searchloaded_) {
7717         searchloaded_ = YES;
7718         [search_ setFrame:CGRectMake(0, 0, [[self view] bounds].size.width, 44.0f)];
7719         [search_ layoutSubviews];
7720         [search_ setPlaceholder:UCLocalize("SEARCH_EX")];
7721
7722         UITextField *textField;
7723         if ([search_ respondsToSelector:@selector(searchField)])
7724             textField = [search_ searchField];
7725         else
7726             textField = MSHookIvar<UITextField *>(search_, "_searchField");
7727
7728         [textField setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
7729         [textField setEnablesReturnKeyAutomatically:NO];
7730         [[self navigationItem] setTitleView:textField];
7731     }
7732 }
7733
7734 - (void) reloadData {
7735     [self setObject:[search_ text]];
7736     [super reloadData];
7737     [self resetCursor];
7738 }
7739
7740 - (void) didSelectPackage:(Package *)package {
7741     [search_ resignFirstResponder];
7742     [super didSelectPackage:package];
7743 }
7744
7745 @end
7746 /* }}} */
7747 /* Package Settings Controller {{{ */
7748 @interface PackageSettingsController : CYViewController <
7749     UITableViewDataSource,
7750     UITableViewDelegate
7751 > {
7752     _transient Database *database_;
7753     NSString *name_;
7754     Package *package_;
7755     UITableView *table_;
7756     UISwitch *subscribedSwitch_;
7757     UISwitch *ignoredSwitch_;
7758     UITableViewCell *subscribedCell_;
7759     UITableViewCell *ignoredCell_;
7760 }
7761
7762 - (id) initWithDatabase:(Database *)database package:(NSString *)package;
7763
7764 @end
7765
7766 @implementation PackageSettingsController
7767
7768 - (void) dealloc {
7769     [self releaseSubviews];
7770     [name_ release];
7771     [package_ release];
7772
7773     [super dealloc];
7774 }
7775
7776 - (NSURL *) navigationURL {
7777     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/settings", [package_ id]]];
7778 }
7779
7780 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
7781     if (package_ == nil)
7782         return 0;
7783
7784     if ([package_ installed] == nil)
7785         return 1;
7786     else
7787         return 2;
7788 }
7789
7790 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7791     if (package_ == nil)
7792         return 0;
7793
7794     // both sections contain just one item right now.
7795     return 1;
7796 }
7797
7798 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
7799     return nil;
7800 }
7801
7802 - (NSString *) tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
7803     if (section == 0)
7804         return UCLocalize("SHOW_ALL_CHANGES_EX");
7805     else
7806         return UCLocalize("IGNORE_UPGRADES_EX");
7807 }
7808
7809 - (void) onSubscribed:(id)control {
7810     bool value([control isOn]);
7811     if (package_ == nil)
7812         return;
7813     if ([package_ setSubscribed:value])
7814         [delegate_ updateData];
7815 }
7816
7817 - (void) _updateIgnored {
7818     const char *package([name_ UTF8String]);
7819     bool on([ignoredSwitch_ isOn]);
7820
7821     pid_t pid(ExecFork());
7822     if (pid == 0) {
7823         FILE *dpkg(popen("dpkg --set-selections", "w"));
7824         fwrite(package, strlen(package), 1, dpkg);
7825
7826         if (on)
7827             fwrite(" hold\n", 6, 1, dpkg);
7828         else
7829             fwrite(" install\n", 9, 1, dpkg);
7830
7831         pclose(dpkg);
7832
7833         exit(0);
7834         _assert(false);
7835     }
7836
7837     _forever {
7838         int status;
7839         int result(waitpid(pid, &status, 0));
7840
7841         if (result != -1) {
7842             _assert(result == pid);
7843             break;
7844         }
7845     }
7846 }
7847
7848 - (void) onIgnored:(id)control {
7849     NSInvocation *invocation([NSInvocation invocationWithMethodSignature:[self methodSignatureForSelector:@selector(_updateIgnored)]]);
7850     [invocation setTarget:self];
7851     [invocation setSelector:@selector(_updateIgnored)];
7852
7853     [delegate_ reloadDataWithInvocation:invocation];
7854 }
7855
7856 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7857     if (package_ == nil)
7858         return nil;
7859
7860     switch ([indexPath section]) {
7861         case 0: return subscribedCell_;
7862         case 1: return ignoredCell_;
7863
7864         _nodefault
7865     }
7866
7867     return nil;
7868 }
7869
7870 - (void) loadView {
7871     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7872
7873     table_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped];
7874     [table_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7875     [table_ setDataSource:self];
7876     [table_ setDelegate:self];
7877     [[self view] addSubview:table_];
7878
7879     subscribedSwitch_ = [[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)];
7880     [subscribedSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
7881     [subscribedSwitch_ addTarget:self action:@selector(onSubscribed:) forEvents:UIControlEventValueChanged];
7882
7883     ignoredSwitch_ = [[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)];
7884     [ignoredSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
7885     [ignoredSwitch_ addTarget:self action:@selector(onIgnored:) forEvents:UIControlEventValueChanged];
7886
7887     subscribedCell_ = [[UITableViewCell alloc] init];
7888     [subscribedCell_ setText:UCLocalize("SHOW_ALL_CHANGES")];
7889     [subscribedCell_ setAccessoryView:subscribedSwitch_];
7890     [subscribedCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
7891
7892     ignoredCell_ = [[UITableViewCell alloc] init];
7893     [ignoredCell_ setText:UCLocalize("IGNORE_UPGRADES")];
7894     [ignoredCell_ setAccessoryView:ignoredSwitch_];
7895     [ignoredCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
7896 }
7897
7898 - (void) viewDidLoad {
7899     [[self navigationItem] setTitle:UCLocalize("SETTINGS")];
7900 }
7901
7902 - (void) releaseSubviews {
7903     [ignoredCell_ release];
7904     ignoredCell_ = nil;
7905
7906     [subscribedCell_ release];
7907     subscribedCell_ = nil;
7908
7909     [table_ release];
7910     table_ = nil;
7911
7912     [ignoredSwitch_ release];
7913     ignoredSwitch_ = nil;
7914
7915     [subscribedSwitch_ release];
7916     subscribedSwitch_ = nil;
7917 }
7918
7919 - (id) initWithDatabase:(Database *)database package:(NSString *)package {
7920     if ((self = [super init]) != nil) {
7921         database_ = database;
7922         name_ = [package retain];
7923     } return self;
7924 }
7925
7926 - (void) reloadData {
7927     [super reloadData];
7928
7929     if (package_ != nil)
7930         [package_ autorelease];
7931     package_ = [database_ packageWithName:name_];
7932
7933     if (package_ != nil) {
7934         package_ = [package_ retain];
7935         [subscribedSwitch_ setOn:([package_ subscribed] ? 1 : 0) animated:NO];
7936         [ignoredSwitch_ setOn:([package_ ignored] ? 1 : 0) animated:NO];
7937     } // XXX: what now, G?
7938
7939     [table_ reloadData];
7940 }
7941
7942 @end
7943 /* }}} */
7944
7945 /* Installed Controller {{{ */
7946 @interface InstalledController : FilteredPackageListController {
7947     BOOL expert_;
7948 }
7949
7950 - (id) initWithDatabase:(Database *)database;
7951
7952 - (void) updateRoleButton;
7953 - (void) queueStatusDidChange;
7954
7955 @end
7956
7957 @implementation InstalledController
7958
7959 - (void) dealloc {
7960     [super dealloc];
7961 }
7962
7963 - (NSURL *) navigationURL {
7964     return [NSURL URLWithString:@"cydia://installed"];
7965 }
7966
7967 - (id) initWithDatabase:(Database *)database {
7968     if ((self = [super initWithDatabase:database title:UCLocalize("INSTALLED") filter:@selector(isInstalledAndUnfiltered:) with:[NSNumber numberWithBool:YES]]) != nil) {
7969         [self updateRoleButton];
7970         [self queueStatusDidChange];
7971     } return self;
7972 }
7973
7974 #if !AlwaysReload
7975 - (void) queueButtonClicked {
7976     [delegate_ queue];
7977 }
7978 #endif
7979
7980 - (void) queueStatusDidChange {
7981 #if !AlwaysReload
7982     if (IsWildcat_) {
7983         if (Queuing_) {
7984             [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
7985                 initWithTitle:UCLocalize("QUEUE")
7986                 style:UIBarButtonItemStyleDone
7987                 target:self
7988                 action:@selector(queueButtonClicked)
7989             ] autorelease]];
7990         } else {
7991             [[self navigationItem] setLeftBarButtonItem:nil];
7992         }
7993     }
7994 #endif
7995 }
7996
7997 - (void) updateRoleButton {
7998     if (Role_ != nil && ![Role_ isEqualToString:@"Developer"])
7999         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8000             initWithTitle:(expert_ ? UCLocalize("EXPERT") : UCLocalize("SIMPLE"))
8001             style:(expert_ ? UIBarButtonItemStyleDone : UIBarButtonItemStylePlain)
8002             target:self
8003             action:@selector(roleButtonClicked)
8004         ] autorelease]];
8005 }
8006
8007 - (void) roleButtonClicked {
8008     [self setObject:[NSNumber numberWithBool:expert_]];
8009     [self reloadData];
8010     expert_ = !expert_;
8011
8012     [self updateRoleButton];
8013 }
8014
8015 @end
8016 /* }}} */
8017
8018 /* Source Cell {{{ */
8019 @interface SourceCell : CYTableViewCell <
8020     ContentDelegate
8021 > {
8022     UIImage *icon_;
8023     NSString *origin_;
8024     NSString *label_;
8025 }
8026
8027 - (void) setSource:(Source *)source;
8028
8029 @end
8030
8031 @implementation SourceCell
8032
8033 - (void) clearSource {
8034     [icon_ release];
8035     [origin_ release];
8036     [label_ release];
8037
8038     icon_ = nil;
8039     origin_ = nil;
8040     label_ = nil;
8041 }
8042
8043 - (void) setSource:(Source *)source {
8044     [self clearSource];
8045
8046     if (icon_ == nil)
8047         icon_ = [UIImage applicationImageNamed:[NSString stringWithFormat:@"Sources/%@.png", [source host]]];
8048     if (icon_ == nil)
8049         icon_ = [UIImage applicationImageNamed:@"unknown.png"];
8050     icon_ = [icon_ retain];
8051
8052     origin_ = [[source name] retain];
8053     label_ = [[source uri] retain];
8054
8055     [content_ setNeedsDisplay];
8056 }
8057
8058 - (void) dealloc {
8059     [self clearSource];
8060     [super dealloc];
8061 }
8062
8063 - (SourceCell *) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
8064     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
8065         UIView *content([self contentView]);
8066         CGRect bounds([content bounds]);
8067
8068         content_ = [[ContentView alloc] initWithFrame:bounds];
8069         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8070         [content_ setBackgroundColor:[UIColor whiteColor]];
8071         [content addSubview:content_];
8072
8073         [content_ setDelegate:self];
8074         [content_ setOpaque:YES];
8075     } return self;
8076 }
8077
8078 - (NSString *) accessibilityLabel {
8079     return label_;
8080 }
8081
8082 - (void) drawContentRect:(CGRect)rect {
8083     bool highlighted(highlighted_);
8084     float width(rect.size.width);
8085
8086     if (icon_ != nil)
8087         [icon_ drawInRect:CGRectMake(10, 10, 30, 30)];
8088
8089     if (highlighted)
8090         UISetColor(White_);
8091
8092     if (!highlighted)
8093         UISetColor(Black_);
8094     [origin_ drawAtPoint:CGPointMake(48, 8) forWidth:(width - 80) withFont:Font18Bold_ lineBreakMode:UILineBreakModeTailTruncation];
8095
8096     if (!highlighted)
8097         UISetColor(Blue_);
8098     [label_ drawAtPoint:CGPointMake(58, 29) forWidth:(width - 95) withFont:Font12_ lineBreakMode:UILineBreakModeTailTruncation];
8099 }
8100
8101 @end
8102 /* }}} */
8103 /* Source Controller {{{ */
8104 @interface SourceController : FilteredPackageListController {
8105     _transient Source *source_;
8106     NSString *key_;
8107 }
8108
8109 - (id) initWithDatabase:(Database *)database source:(Source *)source;
8110
8111 @end
8112
8113 @implementation SourceController
8114
8115 - (NSURL *) navigationURL {
8116     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sources/%@", [source_ name]]];
8117 }
8118
8119 - (id) initWithDatabase:(Database *)database source:(Source *)source {
8120     if ((self = [super initWithDatabase:database title:[source label] filter:@selector(isVisibleInSource:) with:source]) != nil) {
8121         source_ = source;
8122         key_ = [[source key] retain];
8123     } return self;
8124 }
8125
8126 - (void) reloadData {
8127     source_ = [database_ sourceWithKey:key_];
8128     [key_ release];
8129     key_ = [[source_ key] retain];
8130     [self setObject:source_];
8131     [[self navigationItem] setTitle:[source_ label]];
8132
8133     [super reloadData];
8134 }
8135
8136 @end
8137 /* }}} */
8138 /* Sources Controller {{{ */
8139 @interface SourcesController : CYViewController <
8140     UITableViewDataSource,
8141     UITableViewDelegate
8142 > {
8143     _transient Database *database_;
8144     UITableView *list_;
8145     NSMutableArray *sources_;
8146     int offset_;
8147
8148     NSString *href_;
8149     UIProgressHUD *hud_;
8150     NSError *error_;
8151
8152     //NSURLConnection *installer_;
8153     NSURLConnection *trivial_;
8154     NSURLConnection *trivial_bz2_;
8155     NSURLConnection *trivial_gz_;
8156     //NSURLConnection *automatic_;
8157
8158     BOOL cydia_;
8159 }
8160
8161 - (id) initWithDatabase:(Database *)database;
8162 - (void) updateButtonsForEditingStatus:(BOOL)editing animated:(BOOL)animated;
8163
8164 @end
8165
8166 @implementation SourcesController
8167
8168 - (void) _releaseConnection:(NSURLConnection *)connection {
8169     if (connection != nil) {
8170         [connection cancel];
8171         //[connection setDelegate:nil];
8172         [connection release];
8173     }
8174 }
8175
8176 - (void) dealloc {
8177     [self releaseSubviews];
8178
8179     [href_ release];
8180     [hud_ release];
8181     [error_ release];
8182
8183     //[self _releaseConnection:installer_];
8184     [self _releaseConnection:trivial_];
8185     [self _releaseConnection:trivial_gz_];
8186     [self _releaseConnection:trivial_bz2_];
8187     //[self _releaseConnection:automatic_];
8188
8189     [sources_ release];
8190     [super dealloc];
8191 }
8192
8193 - (NSURL *) navigationURL {
8194     return [NSURL URLWithString:@"cydia://sources"];
8195 }
8196
8197 - (void) viewDidAppear:(BOOL)animated {
8198     [super viewDidAppear:animated];
8199     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
8200 }
8201
8202 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
8203     return offset_ == 0 ? 1 : 2;
8204 }
8205
8206 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
8207     switch (section + (offset_ == 0 ? 1 : 0)) {
8208         case 0: return UCLocalize("ENTERED_BY_USER");
8209         case 1: return UCLocalize("INSTALLED_BY_PACKAGE");
8210
8211         _nodefault
8212     }
8213 }
8214
8215 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
8216     int count = [sources_ count];
8217     switch (section) {
8218         case 0: return (offset_ == 0 ? count : offset_);
8219         case 1: return count - offset_;
8220
8221         _nodefault
8222     }
8223 }
8224
8225 - (Source *) sourceAtIndexPath:(NSIndexPath *)indexPath {
8226     unsigned idx = 0;
8227     switch (indexPath.section) {
8228         case 0: idx = indexPath.row; break;
8229         case 1: idx = indexPath.row + offset_; break;
8230
8231         _nodefault
8232     }
8233     return [sources_ objectAtIndex:idx];
8234 }
8235
8236 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
8237     static NSString *cellIdentifier = @"SourceCell";
8238
8239     SourceCell *cell = (SourceCell *) [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
8240     if(cell == nil) cell = [[[SourceCell alloc] initWithFrame:CGRectZero reuseIdentifier:cellIdentifier] autorelease];
8241     [cell setSource:[self sourceAtIndexPath:indexPath]];
8242     [cell setAccessoryType:UITableViewCellAccessoryDisclosureIndicator];
8243
8244     return cell;
8245 }
8246
8247 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
8248     Source *source = [self sourceAtIndexPath:indexPath];
8249
8250     SourceController *controller = [[[SourceController alloc]
8251         initWithDatabase:database_
8252         source:source
8253     ] autorelease];
8254
8255     [controller setDelegate:delegate_];
8256
8257     [[self navigationController] pushViewController:controller animated:YES];
8258 }
8259
8260 - (BOOL) tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
8261     Source *source = [self sourceAtIndexPath:indexPath];
8262     return [source record] != nil;
8263 }
8264
8265 - (void) tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
8266     Source *source = [self sourceAtIndexPath:indexPath];
8267     [Sources_ removeObjectForKey:[source key]];
8268     [delegate_ syncData];
8269 }
8270
8271 - (void) complete {
8272     [delegate_ addTrivialSource:href_];
8273     [delegate_ syncData];
8274 }
8275
8276 - (NSString *) getWarning {
8277     NSString *href(href_);
8278     NSRange colon([href rangeOfString:@"://"]);
8279     if (colon.location != NSNotFound)
8280         href = [href substringFromIndex:(colon.location + 3)];
8281     href = [href stringByAddingPercentEscapes];
8282     href = [CydiaURL(@"api/repotag/") stringByAppendingString:href];
8283     href = [href stringByCachingURLWithCurrentCDN];
8284
8285     NSURL *url([NSURL URLWithString:href]);
8286
8287     NSStringEncoding encoding;
8288     NSError *error(nil);
8289
8290     if (NSString *warning = [NSString stringWithContentsOfURL:url usedEncoding:&encoding error:&error])
8291         return [warning length] == 0 ? nil : warning;
8292     return nil;
8293 }
8294
8295 - (void) _endConnection:(NSURLConnection *)connection {
8296     // XXX: the memory management in this method is horribly awkward
8297
8298     NSURLConnection **field = NULL;
8299     if (connection == trivial_)
8300         field = &trivial_;
8301     else if (connection == trivial_bz2_)
8302         field = &trivial_bz2_;
8303     else if (connection == trivial_gz_)
8304         field = &trivial_gz_;
8305     _assert(field != NULL);
8306     [connection release];
8307     *field = nil;
8308
8309     if (
8310         trivial_ == nil &&
8311         trivial_bz2_ == nil &&
8312         trivial_gz_ == nil
8313     ) {
8314         bool defer(false);
8315
8316         if (cydia_) {
8317             if (NSString *warning = [self yieldToSelector:@selector(getWarning)]) {
8318                 defer = true;
8319
8320                 UIAlertView *alert = [[[UIAlertView alloc]
8321                     initWithTitle:UCLocalize("SOURCE_WARNING")
8322                     message:warning
8323                     delegate:self
8324                     cancelButtonTitle:UCLocalize("CANCEL")
8325                     otherButtonTitles:
8326                         UCLocalize("ADD_ANYWAY"),
8327                     nil
8328                 ] autorelease];
8329
8330                 [alert setContext:@"warning"];
8331                 [alert setNumberOfRows:1];
8332                 [alert show];
8333             } else
8334                 [self complete];
8335         } else if (error_ != nil) {
8336             UIAlertView *alert = [[[UIAlertView alloc]
8337                 initWithTitle:UCLocalize("VERIFICATION_ERROR")
8338                 message:[error_ localizedDescription]
8339                 delegate:self
8340                 cancelButtonTitle:UCLocalize("OK")
8341                 otherButtonTitles:nil
8342             ] autorelease];
8343
8344             [alert setContext:@"urlerror"];
8345             [alert show];
8346         } else {
8347             UIAlertView *alert = [[[UIAlertView alloc]
8348                 initWithTitle:UCLocalize("NOT_REPOSITORY")
8349                 message:UCLocalize("NOT_REPOSITORY_EX")
8350                 delegate:self
8351                 cancelButtonTitle:UCLocalize("OK")
8352                 otherButtonTitles:nil
8353             ] autorelease];
8354
8355             [alert setContext:@"trivial"];
8356             [alert show];
8357         }
8358
8359         [delegate_ releaseNetworkActivityIndicator];
8360
8361         [delegate_ removeProgressHUD:hud_];
8362         [hud_ autorelease];
8363         hud_ = nil;
8364
8365         if (!defer) {
8366             [href_ release];
8367             href_ = nil;
8368         }
8369
8370         if (error_ != nil) {
8371             [error_ release];
8372             error_ = nil;
8373         }
8374     }
8375 }
8376
8377 - (void) connection:(NSURLConnection *)connection didReceiveResponse:(NSHTTPURLResponse *)response {
8378     switch ([response statusCode]) {
8379         case 200:
8380             cydia_ = YES;
8381     }
8382 }
8383
8384 - (void) connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
8385     lprintf("connection:\"%s\" didFailWithError:\"%s\"", [href_ UTF8String], [[error localizedDescription] UTF8String]);
8386     if (error_ != nil)
8387         error_ = [error retain];
8388     [self _endConnection:connection];
8389 }
8390
8391 - (void) connectionDidFinishLoading:(NSURLConnection *)connection {
8392     [self _endConnection:connection];
8393 }
8394
8395 - (NSURLConnection *) _requestHRef:(NSString *)href method:(NSString *)method {
8396     NSMutableURLRequest *request = [NSMutableURLRequest
8397         requestWithURL:[NSURL URLWithString:href]
8398         cachePolicy:NSURLRequestUseProtocolCachePolicy
8399         timeoutInterval:120.0
8400     ];
8401
8402     [request setHTTPMethod:method];
8403
8404     if (Machine_ != NULL)
8405         [request setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
8406     if (UniqueID_ != nil)
8407         [request setValue:UniqueID_ forHTTPHeaderField:@"X-Unique-ID"];
8408     if (Role_ != nil)
8409         [request setValue:Role_ forHTTPHeaderField:@"X-Role"];
8410
8411     return [[[NSURLConnection alloc] initWithRequest:request delegate:self] autorelease];
8412 }
8413
8414 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
8415     NSString *context([alert context]);
8416
8417     if ([context isEqualToString:@"source"]) {
8418         switch (button) {
8419             case 1: {
8420                 NSString *href = [[alert textField] text];
8421
8422                 //installer_ = [[self _requestHRef:href method:@"GET"] retain];
8423
8424                 if (![href hasSuffix:@"/"])
8425                     href_ = [href stringByAppendingString:@"/"];
8426                 else
8427                     href_ = href;
8428                 href_ = [href_ retain];
8429
8430                 trivial_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages"] method:@"HEAD"] retain];
8431                 trivial_bz2_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.bz2"] method:@"HEAD"] retain];
8432                 trivial_gz_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.gz"] method:@"HEAD"] retain];
8433                 //trivial_bz2_ = [[self _requestHRef:[href stringByAppendingString:@"dists/Release"] method:@"HEAD"] retain];
8434
8435                 cydia_ = false;
8436
8437                 // XXX: this is stupid
8438                 hud_ = [[delegate_ addProgressHUD] retain];
8439                 [hud_ setText:UCLocalize("VERIFYING_URL")];
8440                 [delegate_ retainNetworkActivityIndicator];
8441             } break;
8442
8443             case 0:
8444             break;
8445
8446             _nodefault
8447         }
8448
8449         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8450     } else if ([context isEqualToString:@"trivial"])
8451         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8452     else if ([context isEqualToString:@"urlerror"])
8453         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8454     else if ([context isEqualToString:@"warning"]) {
8455         switch (button) {
8456             case 1:
8457                 [self complete];
8458             break;
8459
8460             case 0:
8461             break;
8462
8463             _nodefault
8464         }
8465
8466         [href_ release];
8467         href_ = nil;
8468
8469         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8470     }
8471 }
8472
8473 - (void) loadView {
8474     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8475
8476     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain];
8477     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8478     [list_ setRowHeight:56];
8479     [list_ setDataSource:self];
8480     [list_ setDelegate:self];
8481     [[self view] addSubview:list_];
8482 }
8483
8484 - (void) viewDidLoad {
8485     [[self navigationItem] setTitle:UCLocalize("SOURCES")];
8486     [self updateButtonsForEditingStatus:NO animated:NO];
8487 }
8488
8489 - (void) releaseSubviews {
8490     [list_ release];
8491     list_ = nil;
8492 }
8493
8494 - (id) initWithDatabase:(Database *)database {
8495     if ((self = [super init]) != nil) {
8496         database_ = database;
8497         sources_ = [[NSMutableArray arrayWithCapacity:16] retain];
8498     } return self;
8499 }
8500
8501 - (void) reloadData {
8502     [super reloadData];
8503
8504     pkgSourceList list;
8505     if ([database_ popErrorWithTitle:UCLocalize("SOURCES") forOperation:list.ReadMainList()])
8506         return;
8507
8508     [sources_ removeAllObjects];
8509     [sources_ addObjectsFromArray:[database_ sources]];
8510     _trace();
8511     [sources_ sortUsingSelector:@selector(compareByNameAndType:)];
8512     _trace();
8513
8514     int count([sources_ count]);
8515     offset_ = 0;
8516     for (int i = 0; i != count; i++) {
8517         if ([[sources_ objectAtIndex:i] record] == nil)
8518             break;
8519         offset_++;
8520     }
8521
8522     [list_ setEditing:NO];
8523     [self updateButtonsForEditingStatus:NO animated:NO];
8524     [list_ reloadData];
8525 }
8526
8527 - (void) showAddSourcePrompt {
8528     UIAlertView *alert = [[[UIAlertView alloc]
8529         initWithTitle:UCLocalize("ENTER_APT_URL")
8530         message:nil
8531         delegate:self
8532         cancelButtonTitle:UCLocalize("CANCEL")
8533         otherButtonTitles:
8534             UCLocalize("ADD_SOURCE"),
8535         nil
8536     ] autorelease];
8537
8538     [alert setContext:@"source"];
8539     [alert setTransform:CGAffineTransformTranslate([alert transform], 0.0, 100.0)];
8540
8541     [alert setNumberOfRows:1];
8542     [alert addTextFieldWithValue:@"http://" label:@""];
8543
8544     UITextInputTraits *traits = [[alert textField] textInputTraits];
8545     [traits setAutocapitalizationType:UITextAutocapitalizationTypeNone];
8546     [traits setAutocorrectionType:UITextAutocorrectionTypeNo];
8547     [traits setKeyboardType:UIKeyboardTypeURL];
8548     // XXX: UIReturnKeyDone
8549     [traits setReturnKeyType:UIReturnKeyNext];
8550
8551     [alert show];
8552 }
8553
8554 - (void) addButtonClicked {
8555     [self showAddSourcePrompt];
8556 }
8557
8558 - (void) updateButtonsForEditingStatus:(BOOL)editing animated:(BOOL)animated {
8559     [[self navigationItem] setLeftBarButtonItem:(editing ? [[[UIBarButtonItem alloc]
8560         initWithTitle:UCLocalize("ADD")
8561         style:UIBarButtonItemStylePlain
8562         target:self
8563         action:@selector(addButtonClicked)
8564     ] autorelease] : [[self navigationItem] backBarButtonItem]) animated:animated];
8565
8566     [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8567         initWithTitle:(editing ? UCLocalize("DONE") : UCLocalize("EDIT"))
8568         style:(editing ? UIBarButtonItemStyleDone : UIBarButtonItemStylePlain)
8569         target:self
8570         action:@selector(editButtonClicked)
8571     ] autorelease] animated:animated];
8572
8573     if (IsWildcat_ && !editing)
8574         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
8575             initWithTitle:UCLocalize("SETTINGS")
8576             style:UIBarButtonItemStylePlain
8577             target:self
8578             action:@selector(settingsButtonClicked)
8579         ] autorelease]];
8580 }
8581
8582 - (void) settingsButtonClicked {
8583     [delegate_ showSettings];
8584 }
8585
8586 - (void) editButtonClicked {
8587     [list_ setEditing:![list_ isEditing] animated:YES];
8588
8589     [self updateButtonsForEditingStatus:[list_ isEditing] animated:YES];
8590 }
8591
8592 @end
8593 /* }}} */
8594
8595 /* Settings Controller {{{ */
8596 @interface SettingsController : CYViewController <
8597     UITableViewDataSource,
8598     UITableViewDelegate
8599 > {
8600     _transient Database *database_;
8601     // XXX: ok, "roledelegate_"?...
8602     _transient id roledelegate_;
8603     UITableView *table_;
8604     UISegmentedControl *segment_;
8605     UIView *container_;
8606 }
8607
8608 - (void) showDoneButton;
8609 - (void) resizeSegmentedControl;
8610
8611 @end
8612
8613 @implementation SettingsController
8614
8615 - (void) dealloc {
8616     [self releaseSubviews];
8617
8618     [super dealloc];
8619 }
8620
8621 - (void) loadView {
8622     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8623
8624     table_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped];
8625     [table_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8626     [table_ setDelegate:self];
8627     [table_ setDataSource:self];
8628     [[self view] addSubview:table_];
8629
8630     NSArray *items = [NSArray arrayWithObjects:
8631         UCLocalize("USER"),
8632         UCLocalize("HACKER"),
8633         UCLocalize("DEVELOPER"),
8634     nil];
8635     segment_ = [[UISegmentedControl alloc] initWithItems:items];
8636     container_ = [[UIView alloc] initWithFrame:CGRectMake(0, 0, [[self view] frame].size.width, 44.0f)];
8637     [container_ addSubview:segment_];
8638 }
8639
8640 - (void) viewDidLoad {
8641     [[self navigationItem] setTitle:UCLocalize("WHO_ARE_YOU")];
8642
8643     int index = -1;
8644     if ([Role_ isEqualToString:@"User"]) index = 0;
8645     if ([Role_ isEqualToString:@"Hacker"]) index = 1;
8646     if ([Role_ isEqualToString:@"Developer"]) index = 2;
8647     if (index != -1) {
8648         [segment_ setSelectedSegmentIndex:index];
8649         [self showDoneButton];
8650     }
8651
8652     [segment_ addTarget:self action:@selector(segmentChanged:) forControlEvents:UIControlEventValueChanged];
8653     [self resizeSegmentedControl];
8654 }
8655
8656 - (void) releaseSubviews {
8657     [table_ release];
8658     table_ = nil;
8659
8660     [segment_ release];
8661     segment_ = nil;
8662
8663     [container_ release];
8664     container_ = nil;
8665 }
8666
8667 - (id) initWithDatabase:(Database *)database delegate:(id)delegate {
8668     if ((self = [super init]) != nil) {
8669         database_ = database;
8670         roledelegate_ = delegate;
8671     } return self;
8672 }
8673
8674 - (void) resizeSegmentedControl {
8675     CGFloat width = [[self view] frame].size.width;
8676     [segment_ setFrame:CGRectMake(width / 32.0f, 0, width - (width / 32.0f * 2.0f), 44.0f)];
8677 }
8678
8679 - (void) viewWillAppear:(BOOL)animated {
8680     [super viewWillAppear:animated];
8681
8682     [self resizeSegmentedControl];
8683 }
8684
8685 - (void) willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation duration:(NSTimeInterval)duration {
8686     [self resizeSegmentedControl];
8687 }
8688
8689 - (void) didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
8690     [self resizeSegmentedControl];
8691 }
8692
8693 - (void) save {
8694     NSString *role(nil);
8695
8696     switch ([segment_ selectedSegmentIndex]) {
8697         case 0: role = @"User"; break;
8698         case 1: role = @"Hacker"; break;
8699         case 2: role = @"Developer"; break;
8700
8701         _nodefault
8702     }
8703
8704     if (![role isEqualToString:Role_]) {
8705         bool rolling(Role_ == nil);
8706         Role_ = role;
8707
8708         Settings_ = [NSMutableDictionary dictionaryWithObjectsAndKeys:
8709             Role_, @"Role",
8710         nil];
8711
8712         [Metadata_ setObject:Settings_ forKey:@"Settings"];
8713         Changed_ = true;
8714
8715         if (rolling)
8716             [roledelegate_ loadData];
8717         else
8718             [roledelegate_ updateData];
8719     }
8720 }
8721
8722 - (void) segmentChanged:(UISegmentedControl *)control {
8723     [self showDoneButton];
8724 }
8725
8726 - (void) saveAndClose {
8727     [self save];
8728
8729     [[self navigationItem] setRightBarButtonItem:nil];
8730     [[self navigationController] dismissModalViewControllerAnimated:YES];
8731 }
8732
8733 - (void) doneButtonClicked {
8734     UIActivityIndicatorView *spinner = [[[UIActivityIndicatorView alloc] initWithFrame:CGRectMake(0, 0, 20.0f, 20.0f)] autorelease];
8735     [spinner startAnimating];
8736     UIBarButtonItem *spinItem = [[[UIBarButtonItem alloc] initWithCustomView:spinner] autorelease];
8737     [[self navigationItem] setRightBarButtonItem:spinItem];
8738
8739     [self performSelector:@selector(saveAndClose) withObject:nil afterDelay:0];
8740 }
8741
8742 - (void) showDoneButton {
8743     [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8744         initWithTitle:UCLocalize("DONE")
8745         style:UIBarButtonItemStyleDone
8746         target:self
8747         action:@selector(doneButtonClicked)
8748     ] autorelease] animated:([[self navigationItem] rightBarButtonItem] == nil)];
8749 }
8750
8751 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
8752     // XXX: For not having a single cell in the table, this sure is a lot of sections.
8753     return 6;
8754 }
8755
8756 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
8757     return 0; // :(
8758 }
8759
8760 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
8761     return nil; // This method is required by the protocol.
8762 }
8763
8764 - (NSString *) tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
8765     if (section == 1)
8766         return UCLocalize("ROLE_EX");
8767     if (section == 4)
8768         return [NSString stringWithFormat:
8769             @"%@: %@\n%@: %@\n%@: %@",
8770             UCLocalize("USER"), UCLocalize("USER_EX"),
8771             UCLocalize("HACKER"), UCLocalize("HACKER_EX"),
8772             UCLocalize("DEVELOPER"), UCLocalize("DEVELOPER_EX")
8773         ];
8774     else return nil;
8775 }
8776
8777 - (CGFloat) tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section {
8778     return section == 3 ? 44.0f : 0;
8779 }
8780
8781 - (UIView *) tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
8782     return section == 3 ? container_ : nil;
8783 }
8784
8785 - (void) reloadData {
8786     [super reloadData];
8787     [table_ reloadData];
8788 }
8789
8790 @end
8791 /* }}} */
8792 /* Stash Controller {{{ */
8793 @interface StashController : CYViewController {
8794     UIActivityIndicatorView *spinner_;
8795     UILabel *status_;
8796     UILabel *caption_;
8797 }
8798
8799 @end
8800
8801 @implementation StashController
8802
8803 - (void) dealloc {
8804     [self releaseSubviews];
8805
8806     [super dealloc];
8807 }
8808
8809 - (void) loadView {
8810     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8811     [[self view] setBackgroundColor:[UIColor viewFlipsideBackgroundColor]];
8812
8813     spinner_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge] autorelease];
8814     CGRect spinrect = [spinner_ frame];
8815     spinrect.origin.x = ([[self view] frame].size.width / 2) - (spinrect.size.width / 2);
8816     spinrect.origin.y = [[self view] frame].size.height - 80.0f;
8817     [spinner_ setFrame:spinrect];
8818     [spinner_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin];
8819     [[self view] addSubview:spinner_];
8820     [spinner_ startAnimating];
8821
8822     CGRect captrect;
8823     captrect.size.width = [[self view] frame].size.width;
8824     captrect.size.height = 40.0f;
8825     captrect.origin.x = 0;
8826     captrect.origin.y = ([[self view] frame].size.height / 2) - (captrect.size.height * 2);
8827     caption_ = [[[UILabel alloc] initWithFrame:captrect] autorelease];
8828     [caption_ setText:UCLocalize("PREPARING_FILESYSTEM")];
8829     [caption_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8830     [caption_ setFont:[UIFont boldSystemFontOfSize:28.0f]];
8831     [caption_ setTextColor:[UIColor whiteColor]];
8832     [caption_ setBackgroundColor:[UIColor clearColor]];
8833     [caption_ setShadowColor:[UIColor blackColor]];
8834     [caption_ setTextAlignment:UITextAlignmentCenter];
8835     [[self view] addSubview:caption_];
8836
8837     CGRect statusrect;
8838     statusrect.size.width = [[self view] frame].size.width;
8839     statusrect.size.height = 30.0f;
8840     statusrect.origin.x = 0;
8841     statusrect.origin.y = ([[self view] frame].size.height / 2) - statusrect.size.height;
8842     status_ = [[[UILabel alloc] initWithFrame:statusrect] autorelease];
8843     [status_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8844     [status_ setText:UCLocalize("EXIT_WHEN_COMPLETE")];
8845     [status_ setFont:[UIFont systemFontOfSize:16.0f]];
8846     [status_ setTextColor:[UIColor whiteColor]];
8847     [status_ setBackgroundColor:[UIColor clearColor]];
8848     [status_ setShadowColor:[UIColor blackColor]];
8849     [status_ setTextAlignment:UITextAlignmentCenter];
8850     [[self view] addSubview:status_];
8851 }
8852
8853 - (void) releaseSubviews {
8854     [spinner_ release];
8855     spinner_ = nil;
8856
8857     [status_ release];
8858     status_ = nil;
8859
8860     [caption_ release];
8861     caption_ = nil;
8862 }
8863
8864 @end
8865 /* }}} */
8866
8867 @interface Cydia : UIApplication <
8868     ConfirmationControllerDelegate,
8869     DatabaseDelegate,
8870     CydiaDelegate,
8871     UINavigationControllerDelegate,
8872     UITabBarControllerDelegate
8873 > {
8874     // XXX: evaluate all fields for _transient
8875
8876     UIWindow *window_;
8877     CYTabBarController *tabbar_;
8878     CYEmulatedLoadingController *emulated_;
8879
8880     NSMutableArray *essential_;
8881     NSMutableArray *broken_;
8882
8883     Database *database_;
8884
8885     NSURL *starturl_;
8886
8887     unsigned locked_;
8888     unsigned activity_;
8889
8890     StashController *stash_;
8891
8892     bool loaded_;
8893 }
8894
8895 - (void) loadData;
8896
8897 @end
8898
8899 @implementation Cydia
8900
8901 - (void) beginUpdate {
8902     [tabbar_ beginUpdate];
8903 }
8904
8905 - (BOOL) updating {
8906     return [tabbar_ updating];
8907 }
8908
8909 - (void) _loaded {
8910     if ([broken_ count] != 0) {
8911         int count = [broken_ count];
8912
8913         UIAlertView *alert = [[[UIAlertView alloc]
8914             initWithTitle:(count == 1 ? UCLocalize("HALFINSTALLED_PACKAGE") : [NSString stringWithFormat:UCLocalize("HALFINSTALLED_PACKAGES"), count])
8915             message:UCLocalize("HALFINSTALLED_PACKAGE_EX")
8916             delegate:self
8917             cancelButtonTitle:UCLocalize("FORCIBLY_CLEAR")
8918             otherButtonTitles:
8919                 UCLocalize("TEMPORARY_IGNORE"),
8920             nil
8921         ] autorelease];
8922
8923         [alert setContext:@"fixhalf"];
8924         [alert setNumberOfRows:2];
8925         [alert show];
8926     } else if (!Ignored_ && [essential_ count] != 0) {
8927         int count = [essential_ count];
8928
8929         UIAlertView *alert = [[[UIAlertView alloc]
8930             initWithTitle:(count == 1 ? UCLocalize("ESSENTIAL_UPGRADE") : [NSString stringWithFormat:UCLocalize("ESSENTIAL_UPGRADES"), count])
8931             message:UCLocalize("ESSENTIAL_UPGRADE_EX")
8932             delegate:self
8933             cancelButtonTitle:UCLocalize("TEMPORARY_IGNORE")
8934             otherButtonTitles:
8935                 UCLocalize("UPGRADE_ESSENTIAL"),
8936                 UCLocalize("COMPLETE_UPGRADE"),
8937             nil
8938         ] autorelease];
8939
8940         [alert setContext:@"upgrade"];
8941         [alert show];
8942     }
8943 }
8944
8945 - (void) _saveConfig {
8946     _trace();
8947     MetaFile_.Sync();
8948     _trace();
8949
8950     if (Changed_) {
8951         NSString *error(nil);
8952
8953         if (NSData *data = [NSPropertyListSerialization dataFromPropertyList:Metadata_ format:NSPropertyListBinaryFormat_v1_0 errorDescription:&error]) {
8954             _trace();
8955             NSError *error(nil);
8956             if (![data writeToFile:@"/var/lib/cydia/metadata.plist" options:NSAtomicWrite error:&error])
8957                 NSLog(@"failure to save metadata data: %@", error);
8958             _trace();
8959
8960             Changed_ = false;
8961         } else {
8962             NSLog(@"failure to serialize metadata: %@", error);
8963         }
8964     }
8965 }
8966
8967 // Navigation controller for the queuing badge.
8968 - (CYNavigationController *) queueNavigationController {
8969     NSArray *controllers = [tabbar_ viewControllers];
8970     return [controllers objectAtIndex:3];
8971 }
8972
8973 - (void) _updateData {
8974     [self _saveConfig];
8975
8976     [tabbar_ reloadData];
8977
8978     CYNavigationController *navigation = [self queueNavigationController];
8979
8980     id queuedelegate = nil;
8981     if ([[navigation viewControllers] count] > 0)
8982         queuedelegate = [[navigation viewControllers] objectAtIndex:0];
8983
8984     [queuedelegate queueStatusDidChange];
8985     [[navigation tabBarItem] setBadgeValue:(Queuing_ ? UCLocalize("Q_D") : nil)];
8986 }
8987
8988 - (void) _refreshIfPossible:(NSDate *)update {
8989     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
8990
8991     bool recently = false;
8992     if (update != nil) {
8993         NSTimeInterval interval([update timeIntervalSinceNow]);
8994         if (interval <= 0 && interval > -(15*60))
8995             recently = true;
8996     }
8997
8998     // Don't automatic refresh if:
8999     //  - We already refreshed recently.
9000     //  - We already auto-refreshed this launch.
9001     //  - Auto-refresh is disabled.
9002     if (recently || loaded_ || ManualRefresh) {
9003         [self performSelectorOnMainThread:@selector(_loaded) withObject:nil waitUntilDone:NO];
9004
9005         // If we are cancelling, we need to make sure it knows it's already loaded.
9006         loaded_ = true;
9007         return;
9008     } else {
9009         // We are going to load, so remember that.
9010         loaded_ = true;
9011     }
9012
9013     SCNetworkReachabilityFlags flags; {
9014         SCNetworkReachabilityRef reachability(SCNetworkReachabilityCreateWithName(NULL, "cydia.saurik.com"));
9015         SCNetworkReachabilityGetFlags(reachability, &flags);
9016         CFRelease(reachability);
9017     }
9018
9019     // XXX: this elaborate mess is what Apple is using to determine this? :(
9020     // XXX: do we care if the user has to intervene? maybe that's ok?
9021     bool reachable(
9022         (flags & kSCNetworkReachabilityFlagsReachable) != 0 && (
9023             (flags & kSCNetworkReachabilityFlagsConnectionRequired) == 0 || (
9024                 (flags & kSCNetworkReachabilityFlagsConnectionOnDemand) != 0 ||
9025                 (flags & kSCNetworkReachabilityFlagsConnectionOnTraffic) != 0
9026             ) && (flags & kSCNetworkReachabilityFlagsInterventionRequired) == 0 ||
9027             (flags & kSCNetworkReachabilityFlagsIsWWAN) != 0
9028         )
9029     );
9030
9031     // If we can reach the server, auto-refresh!
9032     if (reachable)
9033         [tabbar_ performSelectorOnMainThread:@selector(setUpdate:) withObject:update waitUntilDone:NO];
9034
9035     [pool release];
9036 }
9037
9038 - (void) refreshIfPossible {
9039     [NSThread detachNewThreadSelector:@selector(_refreshIfPossible:) toTarget:self withObject:[Metadata_ objectForKey:@"LastUpdate"]];
9040 }
9041
9042 - (void) _reloadDataWithInvocation:(NSInvocation *)invocation {
9043     UIProgressHUD *hud(loaded_ ? [self addProgressHUD] : nil);
9044     [hud setText:UCLocalize("RELOADING_DATA")];
9045
9046     [database_ yieldToSelector:@selector(reloadDataWithInvocation:) withObject:invocation];
9047
9048     if (hud != nil)
9049         [self removeProgressHUD:hud];
9050
9051     size_t changes(0);
9052
9053     [essential_ removeAllObjects];
9054     [broken_ removeAllObjects];
9055
9056     NSArray *packages([database_ packages]);
9057     for (Package *package in packages) {
9058         if ([package half])
9059             [broken_ addObject:package];
9060         if ([package upgradableAndEssential:NO]) {
9061             if ([package essential])
9062                 [essential_ addObject:package];
9063             ++changes;
9064         }
9065     }
9066
9067     NSLog(@"changes:#%u", changes);
9068
9069     UITabBarItem *changesItem = [[[tabbar_ viewControllers] objectAtIndex:2] tabBarItem];
9070     if (changes != 0) {
9071         _trace();
9072         NSString *badge([[NSNumber numberWithInt:changes] stringValue]);
9073         [changesItem setBadgeValue:badge];
9074         [changesItem setAnimatedBadge:([essential_ count] > 0)];
9075         [self setApplicationIconBadgeNumber:changes];
9076     } else {
9077         _trace();
9078         [changesItem setBadgeValue:nil];
9079         [changesItem setAnimatedBadge:NO];
9080         [self setApplicationIconBadgeNumber:0];
9081     }
9082
9083     [self _updateData];
9084
9085     [self refreshIfPossible];
9086 }
9087
9088 - (void) updateData {
9089     [self _updateData];
9090 }
9091
9092 - (void) update_ {
9093     [database_ update];
9094 }
9095
9096 - (void) complete {
9097     @synchronized (self) {
9098         [self _reloadDataWithInvocation:nil];
9099     }
9100 }
9101
9102 - (void) disemulate {
9103     if (emulated_ == nil)
9104         return;
9105
9106     [window_ addSubview:[tabbar_ view]];
9107     [[emulated_ view] removeFromSuperview];
9108     [emulated_ release];
9109     emulated_ = nil;
9110     [window_ setUserInteractionEnabled:YES];
9111 }
9112
9113 - (void) presentModalViewController:(UIViewController *)controller force:(BOOL)force {
9114     UINavigationController *navigation([[[CYNavigationController alloc] initWithRootViewController:controller] autorelease]);
9115     if (IsWildcat_)
9116         [navigation setModalPresentationStyle:UIModalPresentationFormSheet];
9117
9118     UIViewController *parent;
9119     if (emulated_ == nil)
9120         parent = tabbar_;
9121     else if (!force)
9122         parent = emulated_;
9123     else {
9124         [self disemulate];
9125         parent = tabbar_;
9126     }
9127
9128     [parent presentModalViewController:navigation animated:YES];
9129 }
9130
9131 - (ProgressController *) invokeNewProgress:(NSInvocation *)invocation forController:(UINavigationController *)navigation withTitle:(NSString *)title {
9132     ProgressController *progress([[[ProgressController alloc] initWithDatabase:database_ delegate:self] autorelease]);
9133
9134     if (navigation != nil)
9135         [navigation pushViewController:progress animated:YES];
9136     else
9137         [self presentModalViewController:progress force:YES];
9138
9139     [progress invoke:invocation withTitle:title];
9140     return progress;
9141 }
9142
9143 - (void) detachNewProgressSelector:(SEL)selector toTarget:(id)target forController:(UINavigationController *)navigation title:(NSString *)title {
9144     [self invokeNewProgress:[NSInvocation invocationWithSelector:selector forTarget:target] forController:navigation withTitle:title];
9145 }
9146
9147 - (void) repairWithInvocation:(NSInvocation *)invocation {
9148     _trace();
9149     [self invokeNewProgress:invocation forController:nil withTitle:@"REPAIRING"];
9150     _trace();
9151 }
9152
9153 - (void) repairWithSelector:(SEL)selector {
9154     [self performSelectorOnMainThread:@selector(repairWithInvocation:) withObject:[NSInvocation invocationWithSelector:selector forTarget:database_] waitUntilDone:YES];
9155 }
9156
9157 - (void) syncData {
9158     [self _saveConfig];
9159
9160     FILE *file(fopen("/etc/apt/sources.list.d/cydia.list", "w"));
9161     _assert(file != NULL);
9162
9163     for (NSString *key in [Sources_ allKeys]) {
9164         NSDictionary *source([Sources_ objectForKey:key]);
9165
9166         fprintf(file, "%s %s %s\n",
9167             [[source objectForKey:@"Type"] UTF8String],
9168             [[source objectForKey:@"URI"] UTF8String],
9169             [[source objectForKey:@"Distribution"] UTF8String]
9170         );
9171     }
9172
9173     fclose(file);
9174
9175     [self detachNewProgressSelector:@selector(update_) toTarget:self forController:nil title:@"UPDATING_SOURCES"];
9176
9177     [self complete];
9178 }
9179
9180 - (void) addTrivialSource:(NSString *)href {
9181     [Sources_ setObject:[NSDictionary dictionaryWithObjectsAndKeys:
9182         @"deb", @"Type",
9183         href, @"URI",
9184         @"./", @"Distribution",
9185     nil] forKey:[NSString stringWithFormat:@"deb:%@:./", href]];
9186
9187     Changed_ = true;
9188 }
9189
9190 - (void) reloadDataWithInvocation:(NSInvocation *)invocation {
9191     @synchronized (self) {
9192         [self _reloadDataWithInvocation:invocation];
9193     }
9194 }
9195
9196 - (void) reloadData {
9197     [self reloadDataWithInvocation:nil];
9198 }
9199
9200 - (void) resolve {
9201     pkgProblemResolver *resolver = [database_ resolver];
9202
9203     resolver->InstallProtect();
9204     if (!resolver->Resolve(true))
9205         _error->Discard();
9206 }
9207
9208 - (bool) perform {
9209     // XXX: this is a really crappy way of doing this.
9210     // like, seriously: this state machine is still broken, and cancelling this here doesn't really /fix/ that.
9211     // for one, the user can still /start/ a reloading data event while they have a queue, which is stupid
9212     // for two, this just means there is a race condition between the refresh completing and the confirmation controller appearing.
9213     if ([tabbar_ updating])
9214         [tabbar_ cancelUpdate];
9215
9216     if (![database_ prepare])
9217         return false;
9218
9219     ConfirmationController *page([[[ConfirmationController alloc] initWithDatabase:database_] autorelease]);
9220     [page setDelegate:self];
9221     CYNavigationController *confirm_([[[CYNavigationController alloc] initWithRootViewController:page] autorelease]);
9222     [confirm_ setDelegate:self];
9223
9224     if (IsWildcat_)
9225         [confirm_ setModalPresentationStyle:UIModalPresentationFormSheet];
9226     [tabbar_ presentModalViewController:confirm_ animated:YES];
9227
9228     return true;
9229 }
9230
9231 - (void) queue {
9232     @synchronized (self) {
9233         [self perform];
9234     }
9235 }
9236
9237 - (void) clearPackage:(Package *)package {
9238     @synchronized (self) {
9239         [package clear];
9240         [self resolve];
9241         [self perform];
9242     }
9243 }
9244
9245 - (void) installPackages:(NSArray *)packages {
9246     @synchronized (self) {
9247         for (Package *package in packages)
9248             [package install];
9249         [self resolve];
9250         [self perform];
9251     }
9252 }
9253
9254 - (void) installPackage:(Package *)package {
9255     @synchronized (self) {
9256         [package install];
9257         [self resolve];
9258         [self perform];
9259     }
9260 }
9261
9262 - (void) removePackage:(Package *)package {
9263     @synchronized (self) {
9264         [package remove];
9265         [self resolve];
9266         [self perform];
9267     }
9268 }
9269
9270 - (void) distUpgrade {
9271     @synchronized (self) {
9272         if (![database_ upgrade])
9273             return;
9274         [self perform];
9275     }
9276 }
9277
9278 - (void) confirmWithNavigationController:(UINavigationController *)navigation {
9279     Queuing_ = false;
9280     ++locked_;
9281     [self detachNewProgressSelector:@selector(perform) toTarget:database_ forController:navigation title:@"RUNNING"];
9282     --locked_;
9283     [self complete];
9284 }
9285
9286 - (void) showSettings {
9287     SettingsController *role = [[[SettingsController alloc] initWithDatabase:database_ delegate:self] autorelease];
9288     CYNavigationController *nav = [[[CYNavigationController alloc] initWithRootViewController:role] autorelease];
9289     if (IsWildcat_)
9290         [nav setModalPresentationStyle:UIModalPresentationFormSheet];
9291     [tabbar_ presentModalViewController:nav animated:YES];
9292 }
9293
9294 - (void) retainNetworkActivityIndicator {
9295     if (activity_++ == 0)
9296         [self setNetworkActivityIndicatorVisible:YES];
9297
9298 #if TraceLogging
9299     NSLog(@"retainNetworkActivityIndicator->%d", activity_);
9300 #endif
9301 }
9302
9303 - (void) releaseNetworkActivityIndicator {
9304     if (--activity_ == 0)
9305         [self setNetworkActivityIndicatorVisible:NO];
9306
9307 #if TraceLogging
9308     NSLog(@"releaseNetworkActivityIndicator->%d", activity_);
9309 #endif
9310
9311 }
9312
9313 - (void) cancelAndClear:(bool)clear {
9314     @synchronized (self) {
9315         if (clear) {
9316             [database_ clear];
9317             Queuing_ = false;
9318         } else {
9319             Queuing_ = true;
9320         }
9321
9322         [self _updateData];
9323     }
9324 }
9325
9326 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
9327     NSString *context([alert context]);
9328
9329     if ([context isEqualToString:@"conffile"]) {
9330         FILE *input = [database_ input];
9331         if (button == [alert cancelButtonIndex])
9332             fprintf(input, "N\n");
9333         else if (button == [alert firstOtherButtonIndex])
9334             fprintf(input, "Y\n");
9335         fflush(input);
9336
9337         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9338     } else if ([context isEqualToString:@"fixhalf"]) {
9339         if (button == [alert cancelButtonIndex]) {
9340             @synchronized (self) {
9341                 for (Package *broken in broken_) {
9342                     [broken remove];
9343
9344                     NSString *id = [broken id];
9345                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.prerm", id] UTF8String]);
9346                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postrm", id] UTF8String]);
9347                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.preinst", id] UTF8String]);
9348                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postinst", id] UTF8String]);
9349                 }
9350
9351                 [self resolve];
9352                 [self perform];
9353             }
9354         } else if (button == [alert firstOtherButtonIndex]) {
9355             [broken_ removeAllObjects];
9356             [self _loaded];
9357         }
9358
9359         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9360     } else if ([context isEqualToString:@"upgrade"]) {
9361         if (button == [alert firstOtherButtonIndex]) {
9362             @synchronized (self) {
9363                 for (Package *essential in essential_)
9364                     [essential install];
9365
9366                 [self resolve];
9367                 [self perform];
9368             }
9369         } else if (button == [alert firstOtherButtonIndex] + 1) {
9370             [self distUpgrade];
9371         } else if (button == [alert cancelButtonIndex]) {
9372             Ignored_ = YES;
9373         }
9374
9375         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9376     }
9377 }
9378
9379 - (void) system:(NSString *)command { _pooled
9380     _trace();
9381     system([command UTF8String]);
9382     _trace();
9383 }
9384
9385 - (void) applicationWillSuspend {
9386     [database_ clean];
9387     [super applicationWillSuspend];
9388 }
9389
9390 - (BOOL) isSafeToSuspend {
9391     // Use external process status API internally.
9392     // This is probably a really bad idea.
9393     // XXX: what is the point of this? does this solve anything at all?
9394     uint64_t status = 0;
9395     int notify_token;
9396     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
9397         notify_get_state(notify_token, &status);
9398         notify_cancel(notify_token);
9399     }
9400
9401     return locked_ == 0 && status == 0;
9402 }
9403
9404 - (void) applicationSuspend:(__GSEvent *)event {
9405     if ([self isSafeToSuspend])
9406         [super applicationSuspend:event];
9407 }
9408
9409 - (void) _animateSuspension:(BOOL)arg0 duration:(double)arg1 startTime:(double)arg2 scale:(float)arg3 {
9410     if ([self isSafeToSuspend])
9411         [super _animateSuspension:arg0 duration:arg1 startTime:arg2 scale:arg3];
9412 }
9413
9414 - (void) _setSuspended:(BOOL)value {
9415     if ([self isSafeToSuspend])
9416         [super _setSuspended:value];
9417 }
9418
9419 - (UIProgressHUD *) addProgressHUD {
9420     UIProgressHUD *hud([[[UIProgressHUD alloc] initWithWindow:window_] autorelease]);
9421     [hud setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
9422
9423     [window_ setUserInteractionEnabled:NO];
9424     [hud show:YES];
9425
9426     UIViewController *target = tabbar_;
9427     while ([target modalViewController] != nil) target = [target modalViewController];
9428     [[target view] addSubview:hud];
9429
9430     ++locked_;
9431     return hud;
9432 }
9433
9434 - (void) removeProgressHUD:(UIProgressHUD *)hud {
9435     [hud show:NO];
9436     [hud removeFromSuperview];
9437     [window_ setUserInteractionEnabled:YES];
9438     --locked_;
9439 }
9440
9441 - (CYViewController *) pageForPackage:(NSString *)name {
9442     return [[[CYPackageController alloc] initWithDatabase:database_ forPackage:name] autorelease];
9443 }
9444
9445 - (CYViewController *) pageForURL:(NSURL *)url forExternal:(BOOL)external {
9446     NSString *scheme([[url scheme] lowercaseString]);
9447     if ([[url absoluteString] length] <= [scheme length] + 3)
9448         return nil;
9449     NSString *path([[url absoluteString] substringFromIndex:[scheme length] + 3]);
9450     NSArray *components([path pathComponents]);
9451
9452     if ([scheme isEqualToString:@"apptapp"] && [components count] > 0 && [[components objectAtIndex:0] isEqualToString:@"package"])
9453         return [self pageForPackage:[components objectAtIndex:1]];
9454
9455     if ([components count] < 1 || ![scheme isEqualToString:@"cydia"])
9456         return nil;
9457
9458     NSString *base([components objectAtIndex:0]);
9459
9460     CYViewController *controller = nil;
9461
9462     if ([base isEqualToString:@"url"]) {
9463         // This kind of URL can contain slashes in the argument, so we can't parse them below.
9464         NSString *destination = [[url absoluteString] substringFromIndex:([scheme length] + [@"://" length] + [base length] + [@"/" length])];
9465         controller = [[[CYBrowserController alloc] initWithURL:[NSURL URLWithString:destination]] autorelease];
9466     } else if (!external && [components count] == 1) {
9467         if ([base isEqualToString:@"manage"]) {
9468             controller = [[[ManageController alloc] init] autorelease];
9469         }
9470
9471         if ([base isEqualToString:@"sources"]) {
9472             controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
9473         }
9474
9475         if ([base isEqualToString:@"home"]) {
9476             controller = [[[HomeController alloc] init] autorelease];
9477         }
9478
9479         if ([base isEqualToString:@"sections"]) {
9480             controller = [[[SectionsController alloc] initWithDatabase:database_] autorelease];
9481         }
9482
9483         if ([base isEqualToString:@"search"]) {
9484             controller = [[[SearchController alloc] initWithDatabase:database_] autorelease];
9485         }
9486
9487         if ([base isEqualToString:@"changes"]) {
9488             controller = [[[ChangesController alloc] initWithDatabase:database_] autorelease];
9489         }
9490
9491         if ([base isEqualToString:@"installed"]) {
9492             controller = [[[InstalledController alloc] initWithDatabase:database_] autorelease];
9493         }
9494     } else if ([components count] == 2) {
9495         NSString *argument = [components objectAtIndex:1];
9496
9497         if ([base isEqualToString:@"package"]) {
9498             controller = [self pageForPackage:argument];
9499         }
9500
9501         if (!external && [base isEqualToString:@"search"]) {
9502             controller = [[[SearchController alloc] initWithDatabase:database_] autorelease];
9503             [(SearchController *)controller setSearchTerm:argument];
9504         }
9505
9506         if (!external && [base isEqualToString:@"sections"]) {
9507             if ([argument isEqualToString:@"all"])
9508                 argument = nil;
9509             controller = [[[SectionController alloc] initWithDatabase:database_ section:argument] autorelease];
9510         }
9511
9512         if (!external && [base isEqualToString:@"sources"]) {
9513             if ([argument isEqualToString:@"add"]) {
9514                 controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
9515                 [(SourcesController *)controller showAddSourcePrompt];
9516             } else {
9517                 Source *source = [database_ sourceWithKey:argument];
9518                 controller = [[[SourceController alloc] initWithDatabase:database_ source:source] autorelease];
9519             }
9520         }
9521
9522         if (!external && [base isEqualToString:@"launch"]) {
9523             [self launchApplicationWithIdentifier:argument suspended:NO];
9524             return nil;
9525         }
9526     } else if (!external && [components count] == 3) {
9527         NSString *arg1 = [components objectAtIndex:1];
9528         NSString *arg2 = [components objectAtIndex:2];
9529
9530         if ([base isEqualToString:@"package"]) {
9531             if ([arg2 isEqualToString:@"settings"]) {
9532                 controller = [[[PackageSettingsController alloc] initWithDatabase:database_ package:arg1] autorelease];
9533             } else if ([arg2 isEqualToString:@"files"]) {
9534                 if (Package *package = [database_ packageWithName:arg1]) {
9535                     controller = [[[FileTable alloc] initWithDatabase:database_] autorelease];
9536                     [(FileTable *)controller setPackage:package];
9537                 }
9538             }
9539         }
9540     }
9541
9542     [controller setDelegate:self];
9543     return controller;
9544 }
9545
9546 - (BOOL) openCydiaURL:(NSURL *)url forExternal:(BOOL)external {
9547     CYViewController *page([self pageForURL:url forExternal:external]);
9548
9549     if (page != nil) {
9550         CYNavigationController *nav = [[[CYNavigationController alloc] init] autorelease];
9551         [nav setViewControllers:[NSArray arrayWithObject:page]];
9552         [tabbar_ setUnselectedViewController:nav];
9553     }
9554
9555     return page != nil;
9556 }
9557
9558 - (void) applicationOpenURL:(NSURL *)url {
9559     [super applicationOpenURL:url];
9560
9561     if (!loaded_) starturl_ = [url retain];
9562     else [self openCydiaURL:url forExternal:YES];
9563 }
9564
9565 - (void) applicationWillResignActive:(UIApplication *)application {
9566     // Stop refreshing if you get a phone call or lock the device.
9567     if ([tabbar_ updating])
9568         [tabbar_ cancelUpdate];
9569
9570     if ([[self superclass] instancesRespondToSelector:@selector(applicationWillResignActive:)])
9571         [super applicationWillResignActive:application];
9572 }
9573
9574 - (void) applicationWillTerminate:(UIApplication *)application {
9575     Changed_ = true;
9576     [Metadata_ setObject:[tabbar_ navigationURLCollection] forKey:@"InterfaceState"];
9577     [Metadata_ setObject:[NSDate date] forKey:@"LastClosed"];
9578     [Metadata_ setObject:[NSNumber numberWithInt:[tabbar_ selectedIndex]] forKey:@"InterfaceIndex"];
9579
9580     [self _saveConfig];
9581 }
9582
9583 - (void) setConfigurationData:(NSString *)data {
9584     static Pcre conffile_r("^'(.*)' '(.*)' ([01]) ([01])$");
9585
9586     if (!conffile_r(data)) {
9587         lprintf("E:invalid conffile\n");
9588         return;
9589     }
9590
9591     NSString *ofile = conffile_r[1];
9592     //NSString *nfile = conffile_r[2];
9593
9594     UIAlertView *alert = [[[UIAlertView alloc]
9595         initWithTitle:UCLocalize("CONFIGURATION_UPGRADE")
9596         message:[NSString stringWithFormat:@"%@\n\n%@", UCLocalize("CONFIGURATION_UPGRADE_EX"), ofile]
9597         delegate:self
9598         cancelButtonTitle:UCLocalize("KEEP_OLD_COPY")
9599         otherButtonTitles:
9600             UCLocalize("ACCEPT_NEW_COPY"),
9601             // XXX: UCLocalize("SEE_WHAT_CHANGED"),
9602         nil
9603     ] autorelease];
9604
9605     [alert setContext:@"conffile"];
9606     [alert setNumberOfRows:2];
9607     [alert show];
9608 }
9609
9610 - (void) addStashController {
9611     ++locked_;
9612     stash_ = [[StashController alloc] init];
9613     [window_ addSubview:[stash_ view]];
9614 }
9615
9616 - (void) removeStashController {
9617     [[stash_ view] removeFromSuperview];
9618     [stash_ release];
9619     --locked_;
9620 }
9621
9622 - (void) stash {
9623     [self setIdleTimerDisabled:YES];
9624
9625     [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleBlackOpaque];
9626     UpdateExternalStatus(1);
9627     [self yieldToSelector:@selector(system:) withObject:@"/usr/libexec/cydia/free.sh"];
9628     UpdateExternalStatus(0);
9629
9630     [self removeStashController];
9631
9632     if (ExecFork() == 0) {
9633         execlp("launchctl", "launchctl", "stop", "com.apple.SpringBoard", NULL);
9634         perror("launchctl stop");
9635     }
9636 }
9637
9638 - (void) setupViewControllers {
9639     tabbar_ = [[CYTabBarController alloc] initWithDatabase:database_];
9640
9641     NSMutableArray *items([NSMutableArray arrayWithObjects:
9642         [[[UITabBarItem alloc] initWithTitle:@"Cydia" image:[UIImage applicationImageNamed:@"home.png"] tag:0] autorelease],
9643         [[[UITabBarItem alloc] initWithTitle:UCLocalize("SECTIONS") image:[UIImage applicationImageNamed:@"install.png"] tag:0] autorelease],
9644         [[[UITabBarItem alloc] initWithTitle:UCLocalize("CHANGES") image:[UIImage applicationImageNamed:@"changes.png"] tag:0] autorelease],
9645         [[[UITabBarItem alloc] initWithTitle:UCLocalize("SEARCH") image:[UIImage applicationImageNamed:@"search.png"] tag:0] autorelease],
9646     nil]);
9647
9648     if (IsWildcat_) {
9649         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("SOURCES") image:[UIImage applicationImageNamed:@"source.png"] tag:0] autorelease] atIndex:3];
9650         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("INSTALLED") image:[UIImage applicationImageNamed:@"manage.png"] tag:0] autorelease] atIndex:3];
9651     } else {
9652         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("MANAGE") image:[UIImage applicationImageNamed:@"manage.png"] tag:0] autorelease] atIndex:3];
9653     }
9654
9655     NSMutableArray *controllers([NSMutableArray array]);
9656     for (UITabBarItem *item in items) {
9657         CYNavigationController *controller([[[CYNavigationController alloc] initWithDatabase:database_] autorelease]);
9658         [controller setTabBarItem:item];
9659         [controllers addObject:controller];
9660     }
9661     [tabbar_ setViewControllers:controllers];
9662
9663     [tabbar_ setUpdateDelegate:self];
9664 }
9665
9666 - (void) applicationDidFinishLaunching:(id)unused {
9667 _trace();
9668     if ([self respondsToSelector:@selector(setApplicationSupportsShakeToEdit:)])
9669         [self setApplicationSupportsShakeToEdit:NO];
9670
9671     [NSURLCache setSharedURLCache:[[[SDURLCache alloc]
9672         initWithMemoryCapacity:524288
9673         diskCapacity:10485760
9674         diskPath:[NSString stringWithFormat:@"%@/Library/Caches/com.saurik.Cydia/SDURLCache", @"/var/root"]
9675     ] autorelease]];
9676
9677     [CYBrowserController _initialize];
9678
9679     [NSURLProtocol registerClass:[CydiaURLProtocol class]];
9680
9681     Font12_ = [[UIFont systemFontOfSize:12] retain];
9682     Font12Bold_ = [[UIFont boldSystemFontOfSize:12] retain];
9683     Font14_ = [[UIFont systemFontOfSize:14] retain];
9684     Font18Bold_ = [[UIFont boldSystemFontOfSize:18] retain];
9685     Font22Bold_ = [[UIFont boldSystemFontOfSize:22] retain];
9686
9687     essential_ = [[NSMutableArray alloc] initWithCapacity:4];
9688     broken_ = [[NSMutableArray alloc] initWithCapacity:4];
9689
9690     window_ = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
9691     [window_ orderFront:self];
9692     [window_ makeKey:self];
9693     [window_ setHidden:NO];
9694
9695     if (
9696         readlink("/Applications", NULL, 0) == -1 && errno == EINVAL ||
9697         readlink("/Library/Ringtones", NULL, 0) == -1 && errno == EINVAL ||
9698         readlink("/Library/Wallpaper", NULL, 0) == -1 && errno == EINVAL ||
9699         //readlink("/usr/bin", NULL, 0) == -1 && errno == EINVAL ||
9700         readlink("/usr/include", NULL, 0) == -1 && errno == EINVAL ||
9701         readlink("/usr/lib/pam", NULL, 0) == -1 && errno == EINVAL ||
9702         readlink("/usr/libexec", NULL, 0) == -1 && errno == EINVAL ||
9703         readlink("/usr/share", NULL, 0) == -1 && errno == EINVAL ||
9704         //readlink("/var/lib", NULL, 0) == -1 && errno == EINVAL ||
9705         false
9706     ) {
9707         [self addStashController];
9708         // XXX: this would be much cleaner as a yieldToSelector:
9709         // that way the removeStashController could happen right here inline
9710         // we also could no longer require the useless stash_ field anymore
9711         [self performSelector:@selector(stash) withObject:nil afterDelay:0];
9712         return;
9713     }
9714
9715     database_ = [Database sharedInstance];
9716     [database_ setDelegate:self];
9717
9718     [window_ setUserInteractionEnabled:NO];
9719     [self setupViewControllers];
9720
9721     emulated_ = [[CYEmulatedLoadingController alloc] initWithDatabase:database_];
9722     [window_ addSubview:[emulated_ view]];
9723
9724     [self performSelector:@selector(loadData) withObject:nil afterDelay:0];
9725 _trace();
9726 }
9727
9728 - (void) loadData {
9729 _trace();
9730     if (Role_ == nil) {
9731         [window_ setUserInteractionEnabled:YES];
9732         [self presentModalViewController:[[[SettingsController alloc] initWithDatabase:database_ delegate:self] autorelease] force:NO];
9733         return;
9734     } else {
9735         if ([emulated_ modalViewController] != nil)
9736             [emulated_ dismissModalViewControllerAnimated:YES];
9737         [window_ setUserInteractionEnabled:NO];
9738     }
9739
9740     [self reloadData];
9741     PrintTimes();
9742
9743     [self disemulate];
9744
9745     int selectedIndex = 0;
9746     NSMutableArray *items = nil;
9747
9748     bool recently = false;
9749     NSDate *closed([Metadata_ objectForKey:@"LastClosed"]);
9750     if (closed != nil) {
9751         NSTimeInterval interval([closed timeIntervalSinceNow]);
9752         // XXX: Is 15 minutes the optimal time here?
9753         if (interval <= 0 && interval > -(15*60))
9754             recently = true;
9755     }
9756
9757     items = [[Metadata_ objectForKey:@"InterfaceState"] mutableCopy];
9758     selectedIndex = [[Metadata_ objectForKey:@"InterfaceIndex"] intValue];
9759
9760     BOOL enough = YES;
9761     for (NSArray *entry in items)
9762         if ([entry count] <= 0)
9763             enough = NO;
9764
9765     if (!recently || !items || !enough) {
9766         selectedIndex = 0;
9767         items = [NSMutableArray array];
9768         [items addObject:[NSArray arrayWithObject:@"cydia://home"]];
9769         [items addObject:[NSArray arrayWithObject:@"cydia://sections"]];
9770         [items addObject:[NSArray arrayWithObject:@"cydia://changes"]];
9771         if (!IsWildcat_) {
9772             [items addObject:[NSArray arrayWithObject:@"cydia://manage"]];
9773         } else {
9774             [items addObject:[NSArray arrayWithObject:@"cydia://installed"]];
9775             [items addObject:[NSArray arrayWithObject:@"cydia://sources"]];
9776         }
9777         [items addObject:[NSArray arrayWithObject:@"cydia://search"]];
9778     }
9779
9780     [tabbar_ setSelectedIndex:selectedIndex];
9781     for (unsigned int tab = 0; tab < [[tabbar_ viewControllers] count]; tab++) {
9782         NSArray *stack = [items objectAtIndex:tab];
9783         CYNavigationController *navigation = [[tabbar_ viewControllers] objectAtIndex:tab];
9784         NSMutableArray *current = [NSMutableArray array];
9785
9786         for (unsigned int nav = 0; nav < [stack count]; nav++) {
9787             NSString *addr = [stack objectAtIndex:nav];
9788             NSURL *url = [NSURL URLWithString:addr];
9789             CYViewController *page = [self pageForURL:url forExternal:NO];
9790             if (page != nil)
9791                 [current addObject:page];
9792         }
9793
9794         [navigation setViewControllers:current];
9795     }
9796
9797     // (Try to) show the startup URL.
9798     if (starturl_ != nil) {
9799         [self openCydiaURL:starturl_ forExternal:NO];
9800         [starturl_ release];
9801         starturl_ = nil;
9802     }
9803 }
9804
9805 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item {
9806     if (item != nil && IsWildcat_) {
9807         [sheet showFromBarButtonItem:item animated:YES];
9808     } else {
9809         [sheet showInView:window_];
9810     }
9811 }
9812
9813 - (void) addProgressEvent:(CydiaProgressEvent *)event forTask:(NSString *)task {
9814     id<ProgressDelegate> progress([database_ progressDelegate] ?: [self invokeNewProgress:nil forController:nil withTitle:task]);
9815     [progress setTitle:task];
9816     [progress addProgressEvent:event];
9817 }
9818
9819 - (void) addProgressEventForTask:(NSArray *)data {
9820     CydiaProgressEvent *event([data objectAtIndex:0]);
9821     NSString *task([data count] < 2 ? nil : [data objectAtIndex:1]);
9822     [self addProgressEvent:event forTask:task];
9823 }
9824
9825 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task {
9826     [self performSelectorOnMainThread:@selector(addProgressEventForTask:) withObject:[NSArray arrayWithObjects:event, task, nil] waitUntilDone:YES];
9827 }
9828
9829 @end
9830
9831 /*IMP alloc_;
9832 id Alloc_(id self, SEL selector) {
9833     id object = alloc_(self, selector);
9834     lprintf("[%s]A-%p\n", self->isa->name, object);
9835     return object;
9836 }*/
9837
9838 /*IMP dealloc_;
9839 id Dealloc_(id self, SEL selector) {
9840     id object = dealloc_(self, selector);
9841     lprintf("[%s]D-%p\n", self->isa->name, object);
9842     return object;
9843 }*/
9844
9845 Class $WebDefaultUIKitDelegate;
9846
9847 MSHook(void, UIWebDocumentView$_setUIKitDelegate$, UIWebDocumentView *self, SEL _cmd, id delegate) {
9848     if (delegate == nil && $WebDefaultUIKitDelegate != nil)
9849         delegate = [$WebDefaultUIKitDelegate sharedUIKitDelegate];
9850     return _UIWebDocumentView$_setUIKitDelegate$(self, _cmd, delegate);
9851 }
9852
9853 static NSNumber *shouldPlayKeyboardSounds;
9854
9855 Class $UIHardware;
9856
9857 MSHook(void, UIHardware$_playSystemSound$, Class self, SEL _cmd, int sound) {
9858     switch (sound) {
9859         case 1104: // Keyboard Button Clicked
9860         case 1105: // Keyboard Delete Repeated
9861             if (shouldPlayKeyboardSounds == nil) {
9862                 NSDictionary *dict([[[NSDictionary alloc] initWithContentsOfFile:@"/var/mobile/Library/Preferences/com.apple.preferences.sounds.plist"] autorelease]);
9863                 shouldPlayKeyboardSounds = [([dict objectForKey:@"keyboard"] ?: (id) kCFBooleanTrue) retain];
9864             }
9865
9866             if (![shouldPlayKeyboardSounds boolValue])
9867                 break;
9868
9869         default:
9870             _UIHardware$_playSystemSound$(self, _cmd, sound);
9871     }
9872 }
9873
9874 Class $UIApplication;
9875
9876 MSHook(void, UIApplication$_updateApplicationAccessibility, UIApplication *self, SEL _cmd) {
9877     static BOOL initialized = NO;
9878     static BOOL started = NO;
9879
9880     NSDictionary *dict([[[NSDictionary alloc] initWithContentsOfFile:@"/var/mobile/Library/Preferences/com.apple.Accessibility.plist"] autorelease]);
9881     BOOL enabled = [[dict objectForKey:@"VoiceOverTouchEnabled"] boolValue] || [[dict objectForKey:@"VoiceOverTouchEnabledByiTunes"] boolValue];
9882
9883     if ([self respondsToSelector:@selector(_accessibilityBundlePrincipalClass)]) {
9884         id bundle = [self performSelector:@selector(_accessibilityBundlePrincipalClass)];
9885         if (![bundle respondsToSelector:@selector(_accessibilityStopServer)]) return;
9886         if (![bundle respondsToSelector:@selector(_accessibilityStartServer)]) return;
9887
9888         if (initialized && !enabled) {
9889             initialized = NO;
9890             [bundle performSelector:@selector(_accessibilityStopServer)];
9891         } else if (enabled) {
9892             initialized = YES;
9893             if (!started) {
9894                 started = YES;
9895                 [bundle performSelector:@selector(_accessibilityStartServer)];
9896             }
9897         }
9898     }
9899 }
9900
9901 int main(int argc, char *argv[]) { _pooled
9902     _trace();
9903
9904     UpdateExternalStatus(0);
9905
9906     if (Class $UIDevice = objc_getClass("UIDevice")) {
9907         UIDevice *device([$UIDevice currentDevice]);
9908         IsWildcat_ = [device respondsToSelector:@selector(isWildcat)] && [device isWildcat];
9909     } else
9910         IsWildcat_ = false;
9911
9912     UIScreen *screen([UIScreen mainScreen]);
9913     if ([screen respondsToSelector:@selector(scale)])
9914         ScreenScale_ = [screen scale];
9915     else
9916         ScreenScale_ = 1;
9917
9918     UIDevice *device([UIDevice currentDevice]);
9919     if (![device respondsToSelector:@selector(userInterfaceIdiom)])
9920         Idiom_ = @"iphone";
9921     else {
9922         UIUserInterfaceIdiom idiom([device userInterfaceIdiom]);
9923         if (idiom == UIUserInterfaceIdiomPhone)
9924             Idiom_ = @"iphone";
9925         else if (idiom == UIUserInterfaceIdiomPad)
9926             Idiom_ = @"ipad";
9927         else
9928             NSLog(@"unknown UIUserInterfaceIdiom!");
9929     }
9930
9931     CydiaHosts_ = [NSMutableSet setWithObject:[[NSURL URLWithString:CydiaURL(@"")] host]];
9932
9933     UI_ = CydiaURL([NSString stringWithFormat:@"ui/ios~%@", Idiom_]);
9934
9935     PackageName = reinterpret_cast<CYString &(*)(Package *, SEL)>(method_getImplementation(class_getInstanceMethod([Package class], @selector(cyname))));
9936
9937     /* Library Hacks {{{ */
9938     class_addMethod(objc_getClass("DOMNodeList"), @selector(countByEnumeratingWithState:objects:count:), (IMP) &DOMNodeList$countByEnumeratingWithState$objects$count$, "I20@0:4^{NSFastEnumerationState}8^@12I16");
9939
9940     $WebDefaultUIKitDelegate = objc_getClass("WebDefaultUIKitDelegate");
9941     Method UIWebDocumentView$_setUIKitDelegate$(class_getInstanceMethod([WebView class], @selector(_setUIKitDelegate:)));
9942     if (UIWebDocumentView$_setUIKitDelegate$ != NULL) {
9943         _UIWebDocumentView$_setUIKitDelegate$ = reinterpret_cast<void (*)(UIWebDocumentView *, SEL, id)>(method_getImplementation(UIWebDocumentView$_setUIKitDelegate$));
9944         method_setImplementation(UIWebDocumentView$_setUIKitDelegate$, reinterpret_cast<IMP>(&$UIWebDocumentView$_setUIKitDelegate$));
9945     }
9946
9947     $UIHardware = objc_getClass("UIHardware");
9948     Method UIHardware$_playSystemSound$(class_getClassMethod($UIHardware, @selector(_playSystemSound:)));
9949     if (UIHardware$_playSystemSound$ != NULL) {
9950         _UIHardware$_playSystemSound$ = reinterpret_cast<void (*)(Class, SEL, int)>(method_getImplementation(UIHardware$_playSystemSound$));
9951         method_setImplementation(UIHardware$_playSystemSound$, reinterpret_cast<IMP>(&$UIHardware$_playSystemSound$));
9952     }
9953
9954     $UIApplication = objc_getClass("UIApplication");
9955     Method UIApplication$_updateApplicationAccessibility(class_getInstanceMethod($UIApplication, @selector(_updateApplicationAccessibility)));
9956     if (UIApplication$_updateApplicationAccessibility != NULL) {
9957         _UIApplication$_updateApplicationAccessibility = reinterpret_cast<void (*)(UIApplication *, SEL)>(method_getImplementation(UIApplication$_updateApplicationAccessibility));
9958         method_setImplementation(UIApplication$_updateApplicationAccessibility, reinterpret_cast<IMP>(&$UIApplication$_updateApplicationAccessibility));
9959     }
9960     /* }}} */
9961     /* Set Locale {{{ */
9962     Locale_ = CFLocaleCopyCurrent();
9963     Languages_ = [NSLocale preferredLanguages];
9964     //CFStringRef locale(CFLocaleGetIdentifier(Locale_));
9965     //NSLog(@"%@", [Languages_ description]);
9966
9967     const char *lang;
9968     if (Languages_ == nil || [Languages_ count] == 0)
9969         // XXX: consider just setting to C and then falling through?
9970         lang = NULL;
9971     else {
9972         lang = [[Languages_ objectAtIndex:0] UTF8String];
9973         setenv("LANG", lang, true);
9974         std::setlocale(LC_ALL, lang);
9975     }
9976
9977     NSLog(@"Setting Language: %s", lang);
9978     /* }}} */
9979
9980     apr_app_initialize(&argc, const_cast<const char * const **>(&argv), NULL);
9981
9982     /* Parse Arguments {{{ */
9983     bool substrate(false);
9984
9985     if (argc != 0) {
9986         char **args(argv);
9987         int arge(1);
9988
9989         for (int argi(1); argi != argc; ++argi)
9990             if (strcmp(argv[argi], "--") == 0) {
9991                 arge = argi;
9992                 argv[argi] = argv[0];
9993                 argv += argi;
9994                 argc -= argi;
9995                 break;
9996             }
9997
9998         for (int argi(1); argi != arge; ++argi)
9999             if (strcmp(args[argi], "--substrate") == 0)
10000                 substrate = true;
10001             else
10002                 fprintf(stderr, "unknown argument: %s\n", args[argi]);
10003     }
10004     /* }}} */
10005
10006     App_ = [[NSBundle mainBundle] bundlePath];
10007     Advanced_ = YES;
10008
10009     setuid(0);
10010     setgid(0);
10011
10012     /*Method alloc = class_getClassMethod([NSObject class], @selector(alloc));
10013     alloc_ = alloc->method_imp;
10014     alloc->method_imp = (IMP) &Alloc_;*/
10015
10016     /*Method dealloc = class_getClassMethod([NSObject class], @selector(dealloc));
10017     dealloc_ = dealloc->method_imp;
10018     dealloc->method_imp = (IMP) &Dealloc_;*/
10019
10020     /* System Information {{{ */
10021     size_t size;
10022
10023     int maxproc;
10024     size = sizeof(maxproc);
10025     if (sysctlbyname("kern.maxproc", &maxproc, &size, NULL, 0) == -1)
10026         perror("sysctlbyname(\"kern.maxproc\", ?)");
10027     else if (maxproc < 64) {
10028         maxproc = 64;
10029         if (sysctlbyname("kern.maxproc", NULL, NULL, &maxproc, sizeof(maxproc)) == -1)
10030             perror("sysctlbyname(\"kern.maxproc\", #)");
10031     }
10032
10033     sysctlbyname("kern.osversion", NULL, &size, NULL, 0);
10034     char *osversion = new char[size];
10035     if (sysctlbyname("kern.osversion", osversion, &size, NULL, 0) == -1)
10036         perror("sysctlbyname(\"kern.osversion\", ?)");
10037     else
10038         System_ = [NSString stringWithUTF8String:osversion];
10039
10040     sysctlbyname("hw.machine", NULL, &size, NULL, 0);
10041     char *machine = new char[size];
10042     if (sysctlbyname("hw.machine", machine, &size, NULL, 0) == -1)
10043         perror("sysctlbyname(\"hw.machine\", ?)");
10044     else
10045         Machine_ = machine;
10046
10047     if (CFMutableDictionaryRef dict = IOServiceMatching("IOPlatformExpertDevice")) {
10048         if (io_service_t service = IOServiceGetMatchingService(kIOMasterPortDefault, dict)) {
10049             if (CFTypeRef serial = IORegistryEntryCreateCFProperty(service, CFSTR(kIOPlatformSerialNumberKey), kCFAllocatorDefault, 0)) {
10050                 SerialNumber_ = [NSString stringWithString:(NSString *)serial];
10051                 CFRelease(serial);
10052             }
10053
10054             if (CFTypeRef ecid = IORegistryEntrySearchCFProperty(service, kIODeviceTreePlane, CFSTR("unique-chip-id"), kCFAllocatorDefault, kIORegistryIterateRecursively)) {
10055                 NSData *data((NSData *) ecid);
10056                 size_t length([data length]);
10057                 uint8_t bytes[length];
10058                 [data getBytes:bytes];
10059                 char string[length * 2 + 1];
10060                 for (size_t i(0); i != length; ++i)
10061                     sprintf(string + i * 2, "%.2X", bytes[length - i - 1]);
10062                 ChipID_ = [NSString stringWithUTF8String:string];
10063                 CFRelease(ecid);
10064             }
10065
10066             IOObjectRelease(service);
10067         }
10068     }
10069
10070     UniqueID_ = [[UIDevice currentDevice] uniqueIdentifier];
10071
10072     CFStringRef (*$CTSIMSupportCopyMobileSubscriberCountryCode)(CFAllocatorRef);
10073     $CTSIMSupportCopyMobileSubscriberCountryCode = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberCountryCode"));
10074     CFStringRef mcc($CTSIMSupportCopyMobileSubscriberCountryCode == NULL ? NULL : (*$CTSIMSupportCopyMobileSubscriberCountryCode)(kCFAllocatorDefault));
10075
10076     CFStringRef (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(CFAllocatorRef);
10077     $CTSIMSupportCopyMobileSubscriberNetworkCode = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberCountryCode"));
10078     CFStringRef mnc($CTSIMSupportCopyMobileSubscriberNetworkCode == NULL ? NULL : (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(kCFAllocatorDefault));
10079
10080     if (mcc != NULL && mnc != NULL)
10081         PLMN_ = [NSString stringWithFormat:@"%@%@", mcc, mnc];
10082
10083     if (mnc != NULL)
10084         CFRelease(mnc);
10085     if (mcc != NULL)
10086         CFRelease(mcc);
10087
10088     if (NSDictionary *system = [NSDictionary dictionaryWithContentsOfFile:@"/System/Library/CoreServices/SystemVersion.plist"])
10089         Build_ = [system objectForKey:@"ProductBuildVersion"];
10090     if (NSDictionary *info = [NSDictionary dictionaryWithContentsOfFile:@"/Applications/MobileSafari.app/Info.plist"]) {
10091         Product_ = [info objectForKey:@"SafariProductVersion"];
10092         Safari_ = [info objectForKey:@"CFBundleVersion"];
10093     }
10094     /* }}} */
10095     /* Load Database {{{ */
10096     _trace();
10097     Metadata_ = [[[NSMutableDictionary alloc] initWithContentsOfFile:@"/var/lib/cydia/metadata.plist"] autorelease];
10098     _trace();
10099     SectionMap_ = [[[NSDictionary alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Sections" ofType:@"plist"]] autorelease];
10100
10101     if (Metadata_ == NULL)
10102         Metadata_ = [NSMutableDictionary dictionaryWithCapacity:2];
10103     else {
10104         Settings_ = [Metadata_ objectForKey:@"Settings"];
10105
10106         Packages_ = [Metadata_ objectForKey:@"Packages"];
10107         Sections_ = [Metadata_ objectForKey:@"Sections"];
10108         Sources_ = [Metadata_ objectForKey:@"Sources"];
10109
10110         Token_ = [Metadata_ objectForKey:@"Token"];
10111     }
10112
10113     if (Settings_ != nil)
10114         Role_ = [Settings_ objectForKey:@"Role"];
10115
10116     if (Sections_ == nil) {
10117         Sections_ = [[[NSMutableDictionary alloc] initWithCapacity:32] autorelease];
10118         [Metadata_ setObject:Sections_ forKey:@"Sections"];
10119     }
10120
10121     if (Sources_ == nil) {
10122         Sources_ = [[[NSMutableDictionary alloc] initWithCapacity:0] autorelease];
10123         [Metadata_ setObject:Sources_ forKey:@"Sources"];
10124     }
10125     /* }}} */
10126
10127     _trace();
10128     MetaFile_.Open("/var/lib/cydia/metadata.cb0");
10129     _trace();
10130
10131     if (Packages_ != nil) {
10132         bool fail(false);
10133         CFDictionaryApplyFunction((CFDictionaryRef) Packages_, &PackageImport, &fail);
10134         _trace();
10135
10136         if (!fail) {
10137             [Metadata_ removeObjectForKey:@"Packages"];
10138             Packages_ = nil;
10139             Changed_ = true;
10140         }
10141     }
10142
10143     Finishes_ = [NSArray arrayWithObjects:@"return", @"reopen", @"restart", @"reload", @"reboot", nil];
10144
10145 #define MobileSubstrate_(name) \
10146     if (substrate && access("/Library/MobileSubstrate/DynamicLibraries/" #name ".dylib", F_OK) == 0) { \
10147         void *handle(dlopen("/Library/MobileSubstrate/DynamicLibraries/" #name ".dylib", RTLD_LAZY | RTLD_GLOBAL)); \
10148         if (handle == NULL) \
10149             NSLog(@"%s", dlerror()); \
10150     }
10151
10152     MobileSubstrate_(Activator)
10153     MobileSubstrate_(libstatusbar)
10154     MobileSubstrate_(SimulatedKeyEvents)
10155     MobileSubstrate_(WinterBoard)
10156
10157     /*if (substrate && access("/Library/MobileSubstrate/MobileSubstrate.dylib", F_OK) == 0)
10158         dlopen("/Library/MobileSubstrate/MobileSubstrate.dylib", RTLD_LAZY | RTLD_GLOBAL);*/
10159
10160     int version([[NSString stringWithContentsOfFile:@"/var/lib/cydia/firmware.ver"] intValue]);
10161
10162     if (access("/tmp/.cydia.fw", F_OK) == 0) {
10163         unlink("/tmp/.cydia.fw");
10164         goto firmware;
10165     } else if (access("/User", F_OK) != 0 || version < 4) {
10166       firmware:
10167         _trace();
10168         system("/usr/libexec/cydia/firmware.sh");
10169         _trace();
10170     }
10171
10172     _assert([[NSFileManager defaultManager]
10173         createDirectoryAtPath:@"/var/cache/apt/archives/partial"
10174         withIntermediateDirectories:YES
10175         attributes:nil
10176         error:NULL
10177     ]);
10178
10179     if (access("/tmp/cydia.chk", F_OK) == 0) {
10180         if (unlink("/var/cache/apt/pkgcache.bin") == -1)
10181             _assert(errno == ENOENT);
10182         if (unlink("/var/cache/apt/srcpkgcache.bin") == -1)
10183             _assert(errno == ENOENT);
10184     }
10185
10186     /* APT Initialization {{{ */
10187     _assert(pkgInitConfig(*_config));
10188     _assert(pkgInitSystem(*_config, _system));
10189
10190     if (lang != NULL)
10191         _config->Set("APT::Acquire::Translation", lang);
10192
10193     // XXX: this timeout might be important :(
10194     //_config->Set("Acquire::http::Timeout", 15);
10195
10196     _config->Set("Acquire::http::MaxParallel", 3);
10197     /* }}} */
10198     /* Color Choices {{{ */
10199     space_ = CGColorSpaceCreateDeviceRGB();
10200
10201     Blue_.Set(space_, 0.2, 0.2, 1.0, 1.0);
10202     Blueish_.Set(space_, 0x19/255.f, 0x32/255.f, 0x50/255.f, 1.0);
10203     Black_.Set(space_, 0.0, 0.0, 0.0, 1.0);
10204     Off_.Set(space_, 0.9, 0.9, 0.9, 1.0);
10205     White_.Set(space_, 1.0, 1.0, 1.0, 1.0);
10206     Gray_.Set(space_, 0.4, 0.4, 0.4, 1.0);
10207     Green_.Set(space_, 0.0, 0.5, 0.0, 1.0);
10208     Purple_.Set(space_, 0.0, 0.0, 0.7, 1.0);
10209     Purplish_.Set(space_, 0.4, 0.4, 0.8, 1.0);
10210
10211     InstallingColor_ = [UIColor colorWithRed:0.88f green:1.00f blue:0.88f alpha:1.00f];
10212     RemovingColor_ = [UIColor colorWithRed:1.00f green:0.88f blue:0.88f alpha:1.00f];
10213     /* }}}*/
10214     /* UIKit Configuration {{{ */
10215     void (*$GSFontSetUseLegacyFontMetrics)(BOOL)(reinterpret_cast<void (*)(BOOL)>(dlsym(RTLD_DEFAULT, "GSFontSetUseLegacyFontMetrics")));
10216     if ($GSFontSetUseLegacyFontMetrics != NULL)
10217         $GSFontSetUseLegacyFontMetrics(YES);
10218
10219     // XXX: I have a feeling this was important
10220     //UIKeyboardDisableAutomaticAppearance();
10221     /* }}} */
10222
10223     Colon_ = UCLocalize("COLON_DELIMITED");
10224     Elision_ = UCLocalize("ELISION");
10225     Error_ = UCLocalize("ERROR");
10226     Warning_ = UCLocalize("WARNING");
10227
10228     _trace();
10229     int value(UIApplicationMain(argc, argv, @"Cydia", @"Cydia"));
10230
10231     CGColorSpaceRelease(space_);
10232     CFRelease(Locale_);
10233
10234     return value;
10235 }