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