MobileCydia.mm

   1 /* Cydia - iPhone UIKit Front-End for Debian APT
   2  * Copyright (C) 2008-2011  Jay Freeman (saurik)
   3 */
   4
   5 /* Modified BSD License {{{ */
   6 /*
   7  *        Redistribution and use in source and binary
   8  * forms, with or without modification, are permitted
   9  * provided that the following conditions are met:
  10  *
  11  * 1. Redistributions of source code must retain the
  12  *    above copyright notice, this list of conditions
  13  *    and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the
  15  *    above copyright notice, this list of conditions
  16  *    and the following disclaimer in the documentation
  17  *    and/or other materials provided with the
  18  *    distribution.
  19  * 3. The name of the author may not be used to endorse
  20  *    or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
  24  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
  25  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  26  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
  28  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  29  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  30  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  31  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  33  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  34  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  35  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  36  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37 */
  38 /* }}} */
  39
  40 // XXX: wtf/FastMalloc.h... wtf?
  41 #define USE_SYSTEM_MALLOC 1
  42
  43 /* #include Directives {{{ */
  44 #include "UICaboodle/UCPlatform.h"
  45 #include "UICaboodle/UCLocalize.h"
  46
  47 #include <objc/objc.h>
  48 #include <objc/runtime.h>
  49
  50 #include <CoreGraphics/CoreGraphics.h>
  51 #include <Foundation/Foundation.h>
  52
  53 #if 0
  54 #define DEPLOYMENT_TARGET_MACOSX 1
  55 #define CF_BUILDING_CF 1
  56 #include <CoreFoundation/CFInternal.h>
  57 #endif
  58
  59 #include <CoreFoundation/CFPriv.h>
  60 #include <CoreFoundation/CFUniChar.h>
  61
  62 #include <SystemConfiguration/SystemConfiguration.h>
  63
  64 #include <UIKit/UIKit.h>
  65 #include "iPhonePrivate.h"
  66
  67 #include <IOKit/IOKitLib.h>
  68
  69 #include <WebCore/WebCoreThread.h>
  70
  71 #include <algorithm>
  72 #include <iomanip>
  73 #include <sstream>
  74 #include <string>
  75
  76 #include <ext/stdio_filebuf.h>
  77
  78 #undef ABS
  79
  80 #include <apt-pkg/acquire.h>
  81 #include <apt-pkg/acquire-item.h>
  82 #include <apt-pkg/algorithms.h>
  83 #include <apt-pkg/cachefile.h>
  84 #include <apt-pkg/clean.h>
  85 #include <apt-pkg/configuration.h>
  86 #include <apt-pkg/debindexfile.h>
  87 #include <apt-pkg/debmetaindex.h>
  88 #include <apt-pkg/error.h>
  89 #include <apt-pkg/init.h>
  90 #include <apt-pkg/mmap.h>
  91 #include <apt-pkg/pkgrecords.h>
  92 #include <apt-pkg/sha1.h>
  93 #include <apt-pkg/sourcelist.h>
  94 #include <apt-pkg/sptr.h>
  95 #include <apt-pkg/strutl.h>
  96 #include <apt-pkg/tagfile.h>
  97
  98 #include <apr-1/apr_pools.h>
  99
 100 #include <sys/types.h>
 101 #include <sys/stat.h>
 102 #include <sys/sysctl.h>
 103 #include <sys/param.h>
 104 #include <sys/mount.h>
 105 #include <sys/reboot.h>
 106
 107 #include <fcntl.h>
 108 #include <notify.h>
 109 #include <dlfcn.h>
 110
 111 extern "C" {
 112 #include <mach-o/nlist.h>
 113 }
 114
 115 #include <cstdio>
 116 #include <cstdlib>
 117 #include <cstring>
 118
 119 #include <errno.h>
 120 #include <pcre.h>
 121
 122 #include <Cytore.hpp>
 123
 124 #include "UICaboodle/BrowserView.h"
 125 #include "SDURLCache/SDURLCache.h"
 126
 127 #include "substrate.h"
 128
 129 #include "Version.h"
 130 /* }}} */
 131
 132 /* Profiler {{{ */
 133 struct timeval _ltv;
 134 bool _itv;
 135
 136 #define _timestamp ({ \
 137     struct timeval tv; \
 138     gettimeofday(&tv, NULL); \
 139     tv.tv_sec * 1000000 + tv.tv_usec; \
 140 })
 141
 142 typedef std::vector<class ProfileTime *> TimeList;
 143 TimeList times_;
 144
 145 class ProfileTime {
 146   private:
 147     const char *name_;
 148     uint64_t total_;
 149     uint64_t count_;
 150
 151   public:
 152     ProfileTime(const char *name) :
 153         name_(name),
 154         total_(0)
 155     {
 156         times_.push_back(this);
 157     }
 158
 159     void AddTime(uint64_t time) {
 160         total_ += time;
 161         ++count_;
 162     }
 163
 164     void Print() {
 165         if (total_ != 0)
 166             std::cerr << std::setw(5) << count_ << ", " << std::setw(7) << total_ << " : " << name_ << std::endl;
 167         total_ = 0;
 168         count_ = 0;
 169     }
 170 };
 171
 172 class ProfileTimer {
 173   private:
 174     ProfileTime &time_;
 175     uint64_t start_;
 176
 177   public:
 178     ProfileTimer(ProfileTime &time) :
 179         time_(time),
 180         start_(_timestamp)
 181     {
 182     }
 183
 184     ~ProfileTimer() {
 185         time_.AddTime(_timestamp - start_);
 186     }
 187 };
 188
 189 void PrintTimes() {
 190     for (TimeList::const_iterator i(times_.begin()); i != times_.end(); ++i)
 191         (*i)->Print();
 192     std::cerr << "========" << std::endl;
 193 }
 194
 195 #define _profile(name) { \
 196     static ProfileTime name(#name); \
 197     ProfileTimer _ ## name(name);
 198
 199 #define _end }
 200 /* }}} */
 201
 202 #define _pooled _H<NSAutoreleasePool> _pool([[NSAutoreleasePool alloc] init], true);
 203
 204 #define CYPoolStart() \
 205     NSAutoreleasePool *_pool([[NSAutoreleasePool alloc] init]); \
 206     do
 207 #define CYPoolEnd() \
 208     while (false); \
 209     [_pool release];
 210
 211 // Hash Functions/Structures {{{
 212 extern "C" uint32_t hashlittle(const void *key, size_t length, uint32_t initval = 0);
 213
 214 union SplitHash {
 215     uint32_t u32;
 216     uint16_t u16[2];
 217 };
 218 // }}}
 219
 220 static const NSUInteger UIViewAutoresizingFlexibleBoth(UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight);
 221
 222 static _finline NSString *CydiaURL(NSString *path) {
 223     char page[26];
 224     page[0] = 'h'; page[1] = 't'; page[2] = 't'; page[3] = 'p'; page[4] = 's';
 225     page[5] = ':'; page[6] = '/'; page[7] = '/'; page[8] = 'c'; page[9] = 'y';
 226     page[10] = 'd'; page[11] = 'i'; page[12] = 'a'; page[13] = '.'; page[14] = 's';
 227     page[15] = 'a'; page[16] = 'u'; page[17] = 'r'; page[18] = 'i'; page[19] = 'k';
 228     page[20] = '.'; page[21] = 'c'; page[22] = 'o'; page[23] = 'm'; page[24] = '/';
 229     page[25] = '\0';
 230     return [[NSString stringWithUTF8String:page] stringByAppendingString:path];
 231 }
 232
 233 static _finline void UpdateExternalStatus(uint64_t newStatus) {
 234     int notify_token;
 235     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
 236         notify_set_state(notify_token, newStatus);
 237         notify_cancel(notify_token);
 238     }
 239     notify_post("com.saurik.Cydia.status");
 240 }
 241
 242 /* [NSObject yieldToSelector:(withObject:)] {{{*/
 243 @interface NSObject (Cydia)
 244 - (id) yieldToSelector:(SEL)selector withObject:(id)object;
 245 - (id) yieldToSelector:(SEL)selector;
 246 @end
 247
 248 @implementation NSObject (Cydia)
 249
 250 - (void) doNothing {
 251 }
 252
 253 - (void) _yieldToContext:(NSMutableArray *)context { _pooled
 254     SEL selector(reinterpret_cast<SEL>([[context objectAtIndex:0] pointerValue]));
 255     id object([[context objectAtIndex:1] nonretainedObjectValue]);
 256     volatile bool &stopped(*reinterpret_cast<bool *>([[context objectAtIndex:2] pointerValue]));
 257
 258     /* XXX: deal with exceptions */
 259     id value([self performSelector:selector withObject:object]);
 260
 261     NSMethodSignature *signature([self methodSignatureForSelector:selector]);
 262     [context removeAllObjects];
 263     if ([signature methodReturnLength] != 0 && value != nil)
 264         [context addObject:value];
 265
 266     stopped = true;
 267
 268     [self
 269         performSelectorOnMainThread:@selector(doNothing)
 270         withObject:nil
 271         waitUntilDone:NO
 272     ];
 273 }
 274
 275 - (id) yieldToSelector:(SEL)selector withObject:(id)object {
 276     volatile bool stopped(false);
 277
 278     NSMutableArray *context([NSMutableArray arrayWithObjects:
 279         [NSValue valueWithPointer:selector],
 280         [NSValue valueWithNonretainedObject:object],
 281         [NSValue valueWithPointer:const_cast<bool *>(&stopped)],
 282     nil]);
 283
 284     NSThread *thread([[[NSThread alloc]
 285         initWithTarget:self
 286         selector:@selector(_yieldToContext:)
 287         object:context
 288     ] autorelease]);
 289
 290     [thread start];
 291
 292     NSRunLoop *loop([NSRunLoop currentRunLoop]);
 293     NSDate *future([NSDate distantFuture]);
 294     NSString *mode([loop currentMode] ?: NSDefaultRunLoopMode);
 295
 296     while (!stopped && [loop runMode:mode beforeDate:future]);
 297
 298     return [context count] == 0 ? nil : [context objectAtIndex:0];
 299 }
 300
 301 - (id) yieldToSelector:(SEL)selector {
 302     return [self yieldToSelector:selector withObject:nil];
 303 }
 304
 305 @end
 306 /* }}} */
 307
 308 /* Cydia Alert View {{{ */
 309 @interface CYAlertView : UIAlertView {
 310     unsigned button_;
 311 }
 312
 313 - (int) yieldToPopupAlertAnimated:(BOOL)animated;
 314
 315 @end
 316
 317 @implementation CYAlertView
 318
 319 - (id) initWithTitle:(NSString *)title buttons:(NSArray *)buttons defaultButtonIndex:(int)index {
 320     if ((self = [super init]) != nil) {
 321         [self setTitle:title];
 322         [self setDelegate:self];
 323         for (NSString *button in buttons) [self addButtonWithTitle:button];
 324         [self setCancelButtonIndex:index];
 325     } return self;
 326 }
 327
 328 - (void) _updateFrameForDisplay {
 329     [super _updateFrameForDisplay];
 330     if ([self cancelButtonIndex] == -1) {
 331         NSArray *buttons = [self buttons];
 332         if ([buttons count]) {
 333             UIImage *background = [[buttons objectAtIndex:0] backgroundForState:0];
 334             for (UIThreePartButton *button in buttons)
 335                 [button setBackground:background forState:0];
 336         }
 337     }
 338 }
 339
 340 - (void) alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {
 341     button_ = buttonIndex + 1;
 342 }
 343
 344 - (void) dismiss {
 345     [self dismissWithClickedButtonIndex:-1 animated:YES];
 346 }
 347
 348 - (int) yieldToPopupAlertAnimated:(BOOL)animated {
 349     [self setRunsModal:YES];
 350     button_ = 0;
 351     [self show];
 352     return button_;
 353 }
 354
 355 @end
 356 /* }}} */
 357
 358 /* NSForcedOrderingSearch doesn't work on the iPhone */
 359 static const NSStringCompareOptions MatchCompareOptions_ = NSLiteralSearch | NSCaseInsensitiveSearch;
 360 static const NSStringCompareOptions LaxCompareOptions_ = NSNumericSearch | NSDiacriticInsensitiveSearch | NSWidthInsensitiveSearch | NSCaseInsensitiveSearch;
 361 static const CFStringCompareFlags LaxCompareFlags_ = kCFCompareCaseInsensitive | kCFCompareNonliteral | kCFCompareLocalized | kCFCompareNumerically | kCFCompareWidthInsensitive | kCFCompareForcedOrdering;
 362
 363 #define lprintf(args...) fprintf(stderr, args)
 364
 365 #define ForRelease 1
 366 #define TraceLogging (1 && !ForRelease)
 367 #define HistogramInsertionSort (!ForRelease ? 0 : 0)
 368 #define ProfileTimes (0 && !ForRelease)
 369 #define ForSaurik (0 && !ForRelease)
 370 #define LogBrowser (0 && !ForRelease)
 371 #define TrackResize (0 && !ForRelease)
 372 #define ManualRefresh (1 && !ForRelease)
 373 #define ShowInternals (0 && !ForRelease)
 374 #define AlwaysReload (0 && !ForRelease)
 375 #define TryIndexedCollation (0 && !ForRelease)
 376
 377 #if !TraceLogging
 378 #undef _trace
 379 #define _trace(args...)
 380 #endif
 381
 382 #if !ProfileTimes
 383 #undef _profile
 384 #define _profile(name) {
 385 #undef _end
 386 #define _end }
 387 #define PrintTimes() do {} while (false)
 388 #endif
 389
 390 /* Radix Sort {{{ */
 391 typedef uint32_t (*SKRadixFunction)(id, void *);
 392
 393 @interface NSMutableArray (Radix)
 394 - (void) radixSortUsingFunction:(SKRadixFunction)function withContext:(void *)argument;
 395 @end
 396
 397 struct RadixItem_ {
 398     size_t index;
 399     uint32_t key;
 400 };
 401
 402 @implementation NSMutableArray (Radix)
 403
 404 - (void) radixSortUsingFunction:(SKRadixFunction)function withContext:(void *)argument {
 405     size_t count([self count]);
 406     struct RadixItem_ *swap(new RadixItem_[count * 2]);
 407
 408     for (size_t i(0); i != count; ++i) {
 409         RadixItem_ &item(swap[i]);
 410         item.index = i;
 411
 412         id object([self objectAtIndex:i]);
 413         item.key = function(object, argument);
 414     }
 415
 416     struct RadixItem_ *lhs(swap), *rhs(swap + count);
 417
 418     static const size_t width = 32;
 419     static const size_t bits = 11;
 420     static const size_t slots = 1 << bits;
 421     static const size_t passes = (width + (bits - 1)) / bits;
 422
 423     size_t *hist(new size_t[slots]);
 424
 425     for (size_t pass(0); pass != passes; ++pass) {
 426         memset(hist, 0, sizeof(size_t) * slots);
 427
 428         for (size_t i(0); i != count; ++i) {
 429             uint32_t key(lhs[i].key);
 430             key >>= pass * bits;
 431             key &= _not(uint32_t) >> width - bits;
 432             ++hist[key];
 433         }
 434
 435         size_t offset(0);
 436         for (size_t i(0); i != slots; ++i) {
 437             size_t local(offset);
 438             offset += hist[i];
 439             hist[i] = local;
 440         }
 441
 442         for (size_t i(0); i != count; ++i) {
 443             uint32_t key(lhs[i].key);
 444             key >>= pass * bits;
 445             key &= _not(uint32_t) >> width - bits;
 446             rhs[hist[key]++] = lhs[i];
 447         }
 448
 449         RadixItem_ *tmp(lhs);
 450         lhs = rhs;
 451         rhs = tmp;
 452     }
 453
 454     delete [] hist;
 455
 456     const void **values(new const void *[count]);
 457     for (size_t i(0); i != count; ++i)
 458         values[i] = [self objectAtIndex:lhs[i].index];
 459     CFArrayReplaceValues((CFMutableArrayRef) self, CFRangeMake(0, count), values, count);
 460     delete [] values;
 461
 462     delete [] swap;
 463 }
 464
 465 @end
 466 /* }}} */
 467 /* Insertion Sort {{{ */
 468
 469 CFIndex SKBSearch_(const void *element, CFIndex elementSize, const void *list, CFIndex count, CFComparatorFunction comparator, void *context) {
 470     const char *ptr = (const char *)list;
 471     while (0 < count) {
 472         CFIndex half = count / 2;
 473         const char *probe = ptr + elementSize * half;
 474         CFComparisonResult cr = comparator(element, probe, context);
 475     if (0 == cr) return (probe - (const char *)list) / elementSize;
 476         ptr = (cr < 0) ? ptr : probe + elementSize;
 477         count = (cr < 0) ? half : (half + (count & 1) - 1);
 478     }
 479     return (ptr - (const char *)list) / elementSize;
 480 }
 481
 482 CFIndex CFBSearch_(const void *element, CFIndex elementSize, const void *list, CFIndex count, CFComparatorFunction comparator, void *context) {
 483     const char *ptr = (const char *)list;
 484     while (0 < count) {
 485         CFIndex half = count / 2;
 486         const char *probe = ptr + elementSize * half;
 487         CFComparisonResult cr = comparator(element, probe, context);
 488     if (0 == cr) return (probe - (const char *)list) / elementSize;
 489         ptr = (cr < 0) ? ptr : probe + elementSize;
 490         count = (cr < 0) ? half : (half + (count & 1) - 1);
 491     }
 492     return (ptr - (const char *)list) / elementSize;
 493 }
 494
 495 void CFArrayInsertionSortValues(CFMutableArrayRef array, CFRange range, CFComparatorFunction comparator, void *context) {
 496     if (range.length == 0)
 497         return;
 498     const void **values(new const void *[range.length]);
 499     CFArrayGetValues(array, range, values);
 500
 501 #if HistogramInsertionSort > 0
 502     uint32_t total(0), *offsets(new uint32_t[range.length]);
 503 #endif
 504
 505     for (CFIndex index(1); index != range.length; ++index) {
 506         const void *value(values[index]);
 507         //CFIndex correct(SKBSearch_(&value, sizeof(const void *), values, index, comparator, context));
 508         CFIndex correct(index);
 509         while (comparator(value, values[correct - 1], context) == kCFCompareLessThan) {
 510 #if HistogramInsertionSort > 1
 511             NSLog(@"%@ < %@", value, values[correct - 1]);
 512 #endif
 513             if (--correct == 0)
 514                 break;
 515         }
 516         if (correct != index) {
 517             size_t offset(index - correct);
 518 #if HistogramInsertionSort
 519             total += offset;
 520             ++offsets[offset];
 521             if (offset > 10)
 522                 NSLog(@"Heavy Insertion Displacement: %u = %@", offset, value);
 523 #endif
 524             memmove(values + correct + 1, values + correct, sizeof(const void *) * offset);
 525             values[correct] = value;
 526         }
 527     }
 528
 529     CFArrayReplaceValues(array, range, values, range.length);
 530     delete [] values;
 531
 532 #if HistogramInsertionSort > 0
 533     for (CFIndex index(0); index != range.length; ++index)
 534         if (offsets[index] != 0)
 535             NSLog(@"Insertion Displacement [%u]: %u", index, offsets[index]);
 536     NSLog(@"Average Insertion Displacement: %f", double(total) / range.length);
 537     delete [] offsets;
 538 #endif
 539 }
 540
 541 /* }}} */
 542
 543 /* Apple Bug Fixes {{{ */
 544 @implementation UIWebDocumentView (Cydia)
 545
 546 - (void) _setScrollerOffset:(CGPoint)offset {
 547     UIScroller *scroller([self _scroller]);
 548
 549     CGSize size([scroller contentSize]);
 550     CGSize bounds([scroller bounds].size);
 551
 552     CGPoint max;
 553     max.x = size.width - bounds.width;
 554     max.y = size.height - bounds.height;
 555
 556     // wtf Apple?!
 557     if (max.x < 0)
 558         max.x = 0;
 559     if (max.y < 0)
 560         max.y = 0;
 561
 562     offset.x = offset.x < 0 ? 0 : offset.x > max.x ? max.x : offset.x;
 563     offset.y = offset.y < 0 ? 0 : offset.y > max.y ? max.y : offset.y;
 564
 565     [scroller setOffset:offset];
 566 }
 567
 568 @end
 569 /* }}} */
 570
 571 @interface NSInvocation (Cydia)
 572 + (NSInvocation *) invocationWithSelector:(SEL)selector forTarget:(id)target;
 573 @end
 574
 575 @implementation NSInvocation (Cydia)
 576
 577 + (NSInvocation *) invocationWithSelector:(SEL)selector forTarget:(id)target {
 578     NSInvocation *invocation([NSInvocation invocationWithMethodSignature:[target methodSignatureForSelector:selector]]);
 579     [invocation setTarget:target];
 580     [invocation setSelector:selector];
 581     return invocation;
 582 }
 583
 584 @end
 585
 586 @implementation WebScriptObject (NSFastEnumeration)
 587
 588 - (NSUInteger) countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)objects count:(NSUInteger)count {
 589     size_t length([self count] - state->state);
 590     if (length <= 0)
 591         return 0;
 592     else if (length > count)
 593         length = count;
 594     for (size_t i(0); i != length; ++i)
 595         objects[i] = [self objectAtIndex:state->state++];
 596     state->itemsPtr = objects;
 597     state->mutationsPtr = (unsigned long *) self;
 598     return length;
 599 }
 600
 601 @end
 602
 603 NSUInteger DOMNodeList$countByEnumeratingWithState$objects$count$(DOMNodeList *self, SEL sel, NSFastEnumerationState *state, id *objects, NSUInteger count) {
 604     size_t length([self length] - state->state);
 605     if (length <= 0)
 606         return 0;
 607     else if (length > count)
 608         length = count;
 609     for (size_t i(0); i != length; ++i)
 610         objects[i] = [self item:state->state++];
 611     state->itemsPtr = objects;
 612     state->mutationsPtr = (unsigned long *) self;
 613     return length;
 614 }
 615
 616 /* Cydia NSString Additions {{{ */
 617 @interface NSString (Cydia)
 618 + (NSString *) stringWithUTF8BytesNoCopy:(const char *)bytes length:(int)length;
 619 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length withZone:(NSZone *)zone inPool:(apr_pool_t *)pool;
 620 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length;
 621 - (NSComparisonResult) compareByPath:(NSString *)other;
 622 - (NSString *) stringByCachingURLWithCurrentCDN;
 623 - (NSString *) stringByAddingPercentEscapesIncludingReserved;
 624 @end
 625
 626 @implementation NSString (Cydia)
 627
 628 + (NSString *) stringWithUTF8BytesNoCopy:(const char *)bytes length:(int)length {
 629     return [[[NSString alloc] initWithBytesNoCopy:const_cast<char *>(bytes) length:length encoding:NSUTF8StringEncoding freeWhenDone:NO] autorelease];
 630 }
 631
 632 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length withZone:(NSZone *)zone inPool:(apr_pool_t *)pool {
 633     char *data(reinterpret_cast<char *>(apr_palloc(pool, length)));
 634     memcpy(data, bytes, length);
 635     return [[[NSString allocWithZone:zone] initWithBytesNoCopy:data length:length encoding:NSUTF8StringEncoding freeWhenDone:NO] autorelease];
 636 }
 637
 638 + (NSString *) stringWithUTF8Bytes:(const char *)bytes length:(int)length {
 639     return [[[NSString alloc] initWithBytes:bytes length:length encoding:NSUTF8StringEncoding] autorelease];
 640 }
 641
 642 - (NSComparisonResult) compareByPath:(NSString *)other {
 643     NSString *prefix = [self commonPrefixWithString:other options:0];
 644     size_t length = [prefix length];
 645
 646     NSRange lrange = NSMakeRange(length, [self length] - length);
 647     NSRange rrange = NSMakeRange(length, [other length] - length);
 648
 649     lrange = [self rangeOfString:@"/" options:0 range:lrange];
 650     rrange = [other rangeOfString:@"/" options:0 range:rrange];
 651
 652     NSComparisonResult value;
 653
 654     if (lrange.location == NSNotFound && rrange.location == NSNotFound)
 655         value = NSOrderedSame;
 656     else if (lrange.location == NSNotFound)
 657         value = NSOrderedAscending;
 658     else if (rrange.location == NSNotFound)
 659         value = NSOrderedDescending;
 660     else
 661         value = NSOrderedSame;
 662
 663     NSString *lpath = lrange.location == NSNotFound ? [self substringFromIndex:length] :
 664         [self substringWithRange:NSMakeRange(length, lrange.location - length)];
 665     NSString *rpath = rrange.location == NSNotFound ? [other substringFromIndex:length] :
 666         [other substringWithRange:NSMakeRange(length, rrange.location - length)];
 667
 668     NSComparisonResult result = [lpath compare:rpath];
 669     return result == NSOrderedSame ? value : result;
 670 }
 671
 672 - (NSString *) stringByCachingURLWithCurrentCDN {
 673     return [self
 674         stringByReplacingOccurrencesOfString:@"://cydia.saurik.com/"
 675         withString:@"://cache.cydia.saurik.com/"
 676     ];
 677 }
 678
 679 - (NSString *) stringByAddingPercentEscapesIncludingReserved {
 680     return [(id)CFURLCreateStringByAddingPercentEscapes(
 681         kCFAllocatorDefault,
 682         (CFStringRef) self,
 683         NULL,
 684         CFSTR(";/?:@&=+$,"),
 685         kCFStringEncodingUTF8
 686     ) autorelease];
 687 }
 688
 689 @end
 690 /* }}} */
 691
 692 /* C++ NSString Wrapper Cache {{{ */
 693 static _finline CFStringRef CYStringCreate(const char *data, size_t size) {
 694     return size == 0 ? NULL :
 695         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingUTF8, NO, kCFAllocatorNull) ?:
 696         CFStringCreateWithBytesNoCopy(kCFAllocatorDefault, reinterpret_cast<const uint8_t *>(data), size, kCFStringEncodingISOLatin1, NO, kCFAllocatorNull);
 697 }
 698
 699 static _finline CFStringRef CYStringCreate(const char *data) {
 700     return CYStringCreate(data, strlen(data));
 701 }
 702
 703 class CYString {
 704   private:
 705     char *data_;
 706     size_t size_;
 707     CFStringRef cache_;
 708
 709     _finline void clear_() {
 710         if (cache_ != NULL) {
 711             CFRelease(cache_);
 712             cache_ = NULL;
 713         }
 714     }
 715
 716   public:
 717     _finline bool empty() const {
 718         return size_ == 0;
 719     }
 720
 721     _finline size_t size() const {
 722         return size_;
 723     }
 724
 725     _finline char *data() const {
 726         return data_;
 727     }
 728
 729     _finline void clear() {
 730         size_ = 0;
 731         clear_();
 732     }
 733
 734     _finline CYString() :
 735         data_(0),
 736         size_(0),
 737         cache_(NULL)
 738     {
 739     }
 740
 741     _finline ~CYString() {
 742         clear_();
 743     }
 744
 745     void operator =(const CYString &rhs) {
 746         data_ = rhs.data_;
 747         size_ = rhs.size_;
 748
 749         if (rhs.cache_ == nil)
 750             cache_ = NULL;
 751         else
 752             cache_ = reinterpret_cast<CFStringRef>(CFRetain(rhs.cache_));
 753     }
 754
 755     void copy(apr_pool_t *pool) {
 756         char *temp(reinterpret_cast<char *>(apr_palloc(pool, size_ + 1)));
 757         memcpy(temp, data_, size_);
 758         temp[size_] = '\0';
 759         data_ = temp;
 760     }
 761
 762     void set(apr_pool_t *pool, const char *data, size_t size) {
 763         if (size == 0)
 764             clear();
 765         else {
 766             clear_();
 767
 768             data_ = const_cast<char *>(data);
 769             size_ = size;
 770
 771             if (pool != NULL)
 772                 copy(pool);
 773         }
 774     }
 775
 776     _finline void set(apr_pool_t *pool, const char *data) {
 777         set(pool, data, data == NULL ? 0 : strlen(data));
 778     }
 779
 780     _finline void set(apr_pool_t *pool, const std::string &rhs) {
 781         set(pool, rhs.data(), rhs.size());
 782     }
 783
 784     bool operator ==(const CYString &rhs) const {
 785         return size_ == rhs.size_ && memcmp(data_, rhs.data_, size_) == 0;
 786     }
 787
 788     _finline operator CFStringRef() {
 789         if (cache_ == NULL)
 790             cache_ = CYStringCreate(data_, size_);
 791         return cache_;
 792     }
 793
 794     _finline operator id() {
 795         return (NSString *) static_cast<CFStringRef>(*this);
 796     }
 797
 798     _finline operator const char *() {
 799         return reinterpret_cast<const char *>(data_);
 800     }
 801 };
 802 /* }}} */
 803 /* C++ NSString Algorithm Adapters {{{ */
 804 extern "C" {
 805     CF_EXPORT CFHashCode CFStringHashNSString(CFStringRef str);
 806 }
 807
 808 struct NSStringMapHash :
 809     std::unary_function<NSString *, size_t>
 810 {
 811     _finline size_t operator ()(NSString *value) const {
 812         return CFStringHashNSString((CFStringRef) value);
 813     }
 814 };
 815
 816 struct NSStringMapLess :
 817     std::binary_function<NSString *, NSString *, bool>
 818 {
 819     _finline bool operator ()(NSString *lhs, NSString *rhs) const {
 820         return [lhs compare:rhs] == NSOrderedAscending;
 821     }
 822 };
 823
 824 struct NSStringMapEqual :
 825     std::binary_function<NSString *, NSString *, bool>
 826 {
 827     _finline bool operator ()(NSString *lhs, NSString *rhs) const {
 828         return CFStringCompare((CFStringRef) lhs, (CFStringRef) rhs, 0) == kCFCompareEqualTo;
 829         //CFEqual((CFTypeRef) lhs, (CFTypeRef) rhs);
 830         //[lhs isEqualToString:rhs];
 831     }
 832 };
 833 /* }}} */
 834
 835 /* Perl-Compatible RegEx {{{ */
 836 class Pcre {
 837   private:
 838     pcre *code_;
 839     pcre_extra *study_;
 840     int capture_;
 841     int *matches_;
 842     const char *data_;
 843
 844   public:
 845     Pcre(const char *regex) :
 846         study_(NULL)
 847     {
 848         const char *error;
 849         int offset;
 850         code_ = pcre_compile(regex, 0, &error, &offset, NULL);
 851
 852         if (code_ == NULL) {
 853             lprintf("%d:%s\n", offset, error);
 854             _assert(false);
 855         }
 856
 857         pcre_fullinfo(code_, study_, PCRE_INFO_CAPTURECOUNT, &capture_);
 858         matches_ = new int[(capture_ + 1) * 3];
 859     }
 860
 861     ~Pcre() {
 862         pcre_free(code_);
 863         delete matches_;
 864     }
 865
 866     NSString *operator [](size_t match) {
 867         return [NSString stringWithUTF8Bytes:(data_ + matches_[match * 2]) length:(matches_[match * 2 + 1] - matches_[match * 2])];
 868     }
 869
 870     bool operator ()(NSString *data) {
 871         // XXX: length is for characters, not for bytes
 872         return operator ()([data UTF8String], [data length]);
 873     }
 874
 875     bool operator ()(const char *data, size_t size) {
 876         data_ = data;
 877         return pcre_exec(code_, study_, data, size, 0, 0, matches_, (capture_ + 1) * 3) >= 0;
 878     }
 879 };
 880 /* }}} */
 881 /* Mime Addresses {{{ */
 882 @interface Address : NSObject {
 883     NSString *name_;
 884     NSString *address_;
 885 }
 886
 887 - (NSString *) name;
 888 - (NSString *) address;
 889
 890 - (void) setAddress:(NSString *)address;
 891
 892 + (Address *) addressWithString:(NSString *)string;
 893 - (Address *) initWithString:(NSString *)string;
 894
 895 @end
 896
 897 @implementation Address
 898
 899 - (void) dealloc {
 900     [name_ release];
 901     if (address_ != nil)
 902         [address_ release];
 903     [super dealloc];
 904 }
 905
 906 - (NSString *) name {
 907     return name_;
 908 }
 909
 910 - (NSString *) address {
 911     return address_;
 912 }
 913
 914 - (void) setAddress:(NSString *)address {
 915     if (address_ != nil)
 916         [address_ autorelease];
 917     if (address == nil)
 918         address_ = nil;
 919     else
 920         address_ = [address retain];
 921 }
 922
 923 + (Address *) addressWithString:(NSString *)string {
 924     return [[[Address alloc] initWithString:string] autorelease];
 925 }
 926
 927 + (NSArray *) _attributeKeys {
 928     return [NSArray arrayWithObjects:
 929         @"address",
 930         @"name",
 931     nil];
 932 }
 933
 934 - (NSArray *) attributeKeys {
 935     return [[self class] _attributeKeys];
 936 }
 937
 938 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
 939     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
 940 }
 941
 942 - (Address *) initWithString:(NSString *)string {
 943     if ((self = [super init]) != nil) {
 944         const char *data = [string UTF8String];
 945         size_t size = [string length];
 946
 947         static Pcre address_r("^\"?(.*)\"? <([^>]*)>$");
 948
 949         if (address_r(data, size)) {
 950             name_ = [address_r[1] retain];
 951             address_ = [address_r[2] retain];
 952         } else {
 953             name_ = [string retain];
 954             address_ = nil;
 955         }
 956     } return self;
 957 }
 958
 959 @end
 960 /* }}} */
 961 /* CoreGraphics Primitives {{{ */
 962 class CYColor {
 963   private:
 964     CGColorRef color_;
 965
 966     static CGColorRef Create_(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
 967         CGFloat color[] = {red, green, blue, alpha};
 968         return CGColorCreate(space, color);
 969     }
 970
 971   public:
 972     CYColor() :
 973         color_(NULL)
 974     {
 975     }
 976
 977     CYColor(CGColorSpaceRef space, float red, float green, float blue, float alpha) :
 978         color_(Create_(space, red, green, blue, alpha))
 979     {
 980         Set(space, red, green, blue, alpha);
 981     }
 982
 983     void Clear() {
 984         if (color_ != NULL)
 985             CGColorRelease(color_);
 986     }
 987
 988     ~CYColor() {
 989         Clear();
 990     }
 991
 992     void Set(CGColorSpaceRef space, float red, float green, float blue, float alpha) {
 993         Clear();
 994         color_ = Create_(space, red, green, blue, alpha);
 995     }
 996
 997     operator CGColorRef() {
 998         return color_;
 999     }
1000 };
1001 /* }}} */
1002
1003 /* Random Global Variables {{{ */
1004 static const int PulseInterval_ = 50000;
1005
1006 static const NSString *UI_;
1007
1008 static int Finish_;
1009 static bool RestartSubstrate_;
1010 static NSArray *Finishes_;
1011
1012 #define SpringBoard_ "/System/Library/LaunchDaemons/com.apple.SpringBoard.plist"
1013 #define NotifyConfig_ "/etc/notify.conf"
1014
1015 static bool Queuing_;
1016
1017 static CYColor Blue_;
1018 static CYColor Blueish_;
1019 static CYColor Black_;
1020 static CYColor Off_;
1021 static CYColor White_;
1022 static CYColor Gray_;
1023 static CYColor Green_;
1024 static CYColor Purple_;
1025 static CYColor Purplish_;
1026
1027 static UIColor *InstallingColor_;
1028 static UIColor *RemovingColor_;
1029
1030 static NSString *App_;
1031
1032 static BOOL Advanced_;
1033 static BOOL Ignored_;
1034
1035 static UIFont *Font12_;
1036 static UIFont *Font12Bold_;
1037 static UIFont *Font14_;
1038 static UIFont *Font18Bold_;
1039 static UIFont *Font22Bold_;
1040
1041 static const char *Machine_ = NULL;
1042 static NSString *System_ = nil;
1043 static NSString *SerialNumber_ = nil;
1044 static NSString *ChipID_ = nil;
1045 static _H<NSString> Token_;
1046 static NSString *UniqueID_ = nil;
1047 static NSString *PLMN_ = nil;
1048 static NSString *Build_ = nil;
1049 static NSString *Product_ = nil;
1050 static NSString *Safari_ = nil;
1051
1052 static CFLocaleRef Locale_;
1053 static NSArray *Languages_;
1054 static CGColorSpaceRef space_;
1055
1056 static NSDictionary *SectionMap_;
1057 static NSMutableDictionary *Metadata_;
1058 static _transient NSMutableDictionary *Settings_;
1059 static _transient NSString *Role_;
1060 static _transient NSMutableDictionary *Packages_;
1061 static _transient NSMutableDictionary *Sections_;
1062 static _transient NSMutableDictionary *Sources_;
1063 static bool Changed_;
1064 static time_t now_;
1065
1066 bool IsWildcat_;
1067 static CGFloat ScreenScale_;
1068 static NSString *Idiom_;
1069
1070 static NSMutableSet *CydiaHosts_;
1071 /* }}} */
1072
1073 /* Display Helpers {{{ */
1074 inline float Interpolate(float begin, float end, float fraction) {
1075     return (end - begin) * fraction + begin;
1076 }
1077
1078 static _finline const char *StripVersion_(const char *version) {
1079     const char *colon(strchr(version, ':'));
1080     return colon == NULL ? version : colon + 1;
1081 }
1082
1083 NSString *LocalizeSection(NSString *section) {
1084     static Pcre title_r("^(.*?) \\((.*)\\)$");
1085     if (title_r(section)) {
1086         NSString *parent(title_r[1]);
1087         NSString *child(title_r[2]);
1088
1089         return [NSString stringWithFormat:UCLocalize("PARENTHETICAL"),
1090             LocalizeSection(parent),
1091             LocalizeSection(child)
1092         ];
1093     }
1094
1095     return [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
1096 }
1097
1098 NSString *Simplify(NSString *title) {
1099     const char *data = [title UTF8String];
1100     size_t size = [title length];
1101
1102     static Pcre square_r("^\\[(.*)\\]$");
1103     if (square_r(data, size))
1104         return Simplify(square_r[1]);
1105
1106     static Pcre paren_r("^\\((.*)\\)$");
1107     if (paren_r(data, size))
1108         return Simplify(paren_r[1]);
1109
1110     static Pcre title_r("^(.*?) \\((.*)\\)$");
1111     if (title_r(data, size))
1112         return Simplify(title_r[1]);
1113
1114     return title;
1115 }
1116 /* }}} */
1117
1118 NSString *GetLastUpdate() {
1119     NSDate *update = [Metadata_ objectForKey:@"LastUpdate"];
1120
1121     if (update == nil)
1122         return UCLocalize("NEVER_OR_UNKNOWN");
1123
1124     CFDateFormatterRef formatter = CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle);
1125     CFStringRef formatted = CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) update);
1126
1127     CFRelease(formatter);
1128
1129     return [(NSString *) formatted autorelease];
1130 }
1131
1132 bool isSectionVisible(NSString *section) {
1133     NSDictionary *metadata([Sections_ objectForKey:(section ?: @"")]);
1134     NSNumber *hidden(metadata == nil ? nil : [metadata objectForKey:@"Hidden"]);
1135     return hidden == nil || ![hidden boolValue];
1136 }
1137
1138 @class Cydia;
1139
1140 /* Delegate Prototypes {{{ */
1141 @class Package;
1142 @class Source;
1143 @class CydiaProgressEvent;
1144
1145 @protocol DatabaseDelegate
1146 - (void) repairWithSelector:(SEL)selector;
1147 - (void) setConfigurationData:(NSString *)data;
1148 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task;
1149 @end
1150
1151 @class CYPackageController;
1152
1153 @protocol CydiaDelegate
1154 - (void) retainNetworkActivityIndicator;
1155 - (void) releaseNetworkActivityIndicator;
1156 - (void) clearPackage:(Package *)package;
1157 - (void) installPackage:(Package *)package;
1158 - (void) installPackages:(NSArray *)packages;
1159 - (void) removePackage:(Package *)package;
1160 - (void) beginUpdate;
1161 - (BOOL) updating;
1162 - (void) distUpgrade;
1163 - (void) loadData;
1164 - (void) updateData;
1165 - (void) syncData;
1166 - (void) addTrivialSource:(NSString *)href;
1167 - (void) showSettings;
1168 - (UIProgressHUD *) addProgressHUD;
1169 - (void) removeProgressHUD:(UIProgressHUD *)hud;
1170 - (CYViewController *) pageForPackage:(NSString *)name;
1171 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item;
1172 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
1173 - (void) addCydiaHost:(NSString *)host;
1174 @end
1175 /* }}} */
1176
1177 /* ProgressEvent Interface/Delegate {{{ */
1178 @interface CydiaProgressEvent : NSObject {
1179     _H<NSString> message_;
1180     _H<NSString> type_;
1181
1182     _H<NSArray> item_;
1183     _H<NSString> package_;
1184     _H<NSString> url_;
1185     _H<NSString> version_;
1186 }
1187
1188 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type;
1189 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forPackage:(NSString *)package;
1190 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forItem:(pkgAcquire::ItemDesc &)item;
1191
1192 - (id) initWithMessage:(NSString *)message ofType:(NSString *)type;
1193
1194 - (NSString *) message;
1195 - (NSString *) type;
1196
1197 - (NSArray *) item;
1198 - (NSString *) package;
1199 - (NSString *) url;
1200 - (NSString *) version;
1201
1202 - (void) setItem:(NSArray *)item;
1203 - (void) setPackage:(NSString *)package;
1204 - (void) setURL:(NSString *)url;
1205 - (void) setVersion:(NSString *)version;
1206
1207 - (NSString *) compound:(NSString *)value;
1208 - (NSString *) compoundMessage;
1209 - (NSString *) compoundTitle;
1210
1211 @end
1212
1213 @protocol ProgressDelegate
1214 - (void) addProgressEvent:(CydiaProgressEvent *)event;
1215 - (void) setProgressPercent:(NSNumber *)percent;
1216 - (void) setProgressStatus:(NSDictionary *)status;
1217 - (void) setProgressCancellable:(NSNumber *)cancellable;
1218 - (bool) isProgressCancelled;
1219 - (void) setTitle:(NSString *)title;
1220 @end
1221 /* }}} */
1222 /* Status Delegation {{{ */
1223 class Status :
1224     public pkgAcquireStatus
1225 {
1226   private:
1227     _transient NSObject<ProgressDelegate> *delegate_;
1228     bool cancelled_;
1229
1230   public:
1231     Status() :
1232         delegate_(nil),
1233         cancelled_(false)
1234     {
1235     }
1236
1237     void setDelegate(NSObject<ProgressDelegate> *delegate) {
1238         delegate_ = delegate;
1239     }
1240
1241     NSObject<ProgressDelegate> *getDelegate() const {
1242         return delegate_;
1243     }
1244
1245     virtual bool MediaChange(std::string media, std::string drive) {
1246         return false;
1247     }
1248
1249     virtual void IMSHit(pkgAcquire::ItemDesc &item) {
1250     }
1251
1252     virtual void Fetch(pkgAcquire::ItemDesc &item) {
1253         NSString *name([NSString stringWithUTF8String:item.ShortDesc.c_str()]);
1254         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithFormat:UCLocalize("DOWNLOADING_"), name] ofType:@"STATUS" forItem:item]);
1255         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
1256     }
1257
1258     virtual void Done(pkgAcquire::ItemDesc &item) {
1259     }
1260
1261     virtual void Fail(pkgAcquire::ItemDesc &item) {
1262         if (
1263             item.Owner->Status == pkgAcquire::Item::StatIdle ||
1264             item.Owner->Status == pkgAcquire::Item::StatDone
1265         )
1266             return;
1267
1268         std::string &error(item.Owner->ErrorText);
1269         if (error.empty())
1270             return;
1271
1272         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:@"ERROR" forItem:item]);
1273         [delegate_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
1274     }
1275
1276     virtual bool Pulse(pkgAcquire *Owner) {
1277         bool value = pkgAcquireStatus::Pulse(Owner);
1278
1279         double percent(
1280             double(CurrentBytes + CurrentItems) /
1281             double(TotalBytes + TotalItems)
1282         );
1283
1284         [delegate_ performSelectorOnMainThread:@selector(setProgressStatus:) withObject:[NSDictionary dictionaryWithObjectsAndKeys:
1285             [NSNumber numberWithDouble:percent], @"Percent",
1286
1287             [NSNumber numberWithDouble:CurrentBytes], @"Current",
1288             [NSNumber numberWithDouble:TotalBytes], @"Total",
1289             [NSNumber numberWithDouble:CurrentCPS], @"Speed",
1290         nil] waitUntilDone:YES];
1291
1292         if (value && ![delegate_ isProgressCancelled])
1293             return true;
1294         else {
1295             cancelled_ = true;
1296             return false;
1297         }
1298     }
1299
1300     _finline bool WasCancelled() const {
1301         return cancelled_;
1302     }
1303
1304     virtual void Start() {
1305         pkgAcquireStatus::Start();
1306         [delegate_ performSelectorOnMainThread:@selector(setProgressCancellable:) withObject:[NSNumber numberWithBool:YES] waitUntilDone:YES];
1307     }
1308
1309     virtual void Stop() {
1310         pkgAcquireStatus::Stop();
1311         [delegate_ performSelectorOnMainThread:@selector(setProgressCancellable:) withObject:[NSNumber numberWithBool:NO] waitUntilDone:YES];
1312         [delegate_ performSelectorOnMainThread:@selector(setProgressStatus:) withObject:nil waitUntilDone:YES];
1313     }
1314 };
1315 /* }}} */
1316 /* Database Interface {{{ */
1317 typedef std::map< unsigned long, _H<Source> > SourceMap;
1318
1319 @interface Database : NSObject {
1320     NSZone *zone_;
1321     apr_pool_t *pool_;
1322
1323     unsigned era_;
1324
1325     pkgCacheFile cache_;
1326     pkgDepCache::Policy *policy_;
1327     pkgRecords *records_;
1328     pkgProblemResolver *resolver_;
1329     pkgAcquire *fetcher_;
1330     FileFd *lock_;
1331     SPtr<pkgPackageManager> manager_;
1332     pkgSourceList *list_;
1333
1334     SourceMap sourceMap_;
1335     NSMutableArray *sourceList_;
1336
1337     CFMutableArrayRef packages_;
1338
1339     _transient NSObject<DatabaseDelegate> *delegate_;
1340     _transient NSObject<ProgressDelegate> *progress_;
1341
1342     Status status_;
1343
1344     int cydiafd_;
1345     int statusfd_;
1346     FILE *input_;
1347
1348     std::map<const char *, _H<NSString> > sections_;
1349 }
1350
1351 + (Database *) sharedInstance;
1352 - (unsigned) era;
1353
1354 - (void) _readCydia:(NSNumber *)fd;
1355 - (void) _readStatus:(NSNumber *)fd;
1356 - (void) _readOutput:(NSNumber *)fd;
1357
1358 - (FILE *) input;
1359
1360 - (Package *) packageWithName:(NSString *)name;
1361
1362 - (pkgCacheFile &) cache;
1363 - (pkgDepCache::Policy *) policy;
1364 - (pkgRecords *) records;
1365 - (pkgProblemResolver *) resolver;
1366 - (pkgAcquire &) fetcher;
1367 - (pkgSourceList &) list;
1368 - (NSArray *) packages;
1369 - (NSArray *) sources;
1370 - (Source *) sourceWithKey:(NSString *)key;
1371 - (void) reloadDataWithInvocation:(NSInvocation *)invocation;
1372
1373 - (void) configure;
1374 - (bool) prepare;
1375 - (void) perform;
1376 - (bool) upgrade;
1377 - (void) update;
1378
1379 - (void) updateWithStatus:(Status &)status;
1380
1381 - (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate;
1382
1383 - (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate;
1384 - (NSObject<ProgressDelegate> *) progressDelegate;
1385
1386 - (Source *) getSource:(pkgCache::PkgFileIterator)file;
1387
1388 - (NSString *) mappedSectionForPointer:(const char *)pointer;
1389
1390 @end
1391 /* }}} */
1392 /* ProgressEvent Implementation {{{ */
1393 @implementation CydiaProgressEvent
1394
1395 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type {
1396     return [[[CydiaProgressEvent alloc] initWithMessage:message ofType:type] autorelease];
1397 }
1398
1399 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forPackage:(NSString *)package {
1400     CydiaProgressEvent *event([self eventWithMessage:message ofType:type]);
1401     [event setPackage:package];
1402     return event;
1403 }
1404
1405 + (CydiaProgressEvent *) eventWithMessage:(NSString *)message ofType:(NSString *)type forItem:(pkgAcquire::ItemDesc &)item {
1406     CydiaProgressEvent *event([self eventWithMessage:message ofType:type]);
1407
1408     NSString *description([NSString stringWithUTF8String:item.Description.c_str()]);
1409     NSArray *fields([description componentsSeparatedByString:@" "]);
1410     [event setItem:fields];
1411
1412     if ([fields count] > 3) {
1413         [event setPackage:[fields objectAtIndex:2]];
1414         [event setVersion:[fields objectAtIndex:3]];
1415     }
1416
1417     [event setURL:[NSString stringWithUTF8String:item.URI.c_str()]];
1418
1419     return event;
1420 }
1421
1422 + (NSArray *) _attributeKeys {
1423     return [NSArray arrayWithObjects:
1424         @"item",
1425         @"message",
1426         @"package",
1427         @"type",
1428         @"url",
1429         @"version",
1430     nil];
1431 }
1432
1433 - (NSArray *) attributeKeys {
1434     return [[self class] _attributeKeys];
1435 }
1436
1437 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1438     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1439 }
1440
1441 - (id) initWithMessage:(NSString *)message ofType:(NSString *)type {
1442     if ((self = [super init]) != nil) {
1443         message_ = message;
1444         type_ = type;
1445     } return self;
1446 }
1447
1448 - (NSString *) message {
1449     return message_;
1450 }
1451
1452 - (NSString *) type {
1453     return type_;
1454 }
1455
1456 - (NSArray *) item {
1457     return (id) item_ ?: [NSNull null];
1458 }
1459
1460 - (void) setItem:(NSArray *)item {
1461     item_ = item;
1462 }
1463
1464 - (NSString *) package {
1465     return (id) package_ ?: [NSNull null];
1466 }
1467
1468 - (void) setPackage:(NSString *)package {
1469     package_ = package;
1470 }
1471
1472 - (NSString *) url {
1473     return (id) url_ ?: [NSNull null];
1474 }
1475
1476 - (void) setURL:(NSString *)url {
1477     url_ = url;
1478 }
1479
1480 - (void) setVersion:(NSString *)version {
1481     version_ = version;
1482 }
1483
1484 - (NSString *) version {
1485     return (id) version_ ?: [NSNull null];
1486 }
1487
1488 - (NSString *) compound:(NSString *)value {
1489     if (value != nil) {
1490         NSString *mode(nil); {
1491             NSString *type([self type]);
1492             if ([type isEqualToString:@"ERROR"])
1493                 mode = UCLocalize("ERROR");
1494             else if ([type isEqualToString:@"WARNING"])
1495                 mode = UCLocalize("WARNING");
1496         }
1497
1498         if (mode != nil)
1499             value = [NSString stringWithFormat:UCLocalize("COLON_DELIMITED"), mode, value];
1500     }
1501
1502     return value;
1503 }
1504
1505 - (NSString *) compoundMessage {
1506     return [self compound:[self message]];
1507 }
1508
1509 - (NSString *) compoundTitle {
1510     NSString *title;
1511
1512     if (package_ == nil)
1513         title = nil;
1514     else if (Package *package = [[Database sharedInstance] packageWithName:package_])
1515         title = [package name];
1516     else
1517         title = package_;
1518
1519     return [self compound:title];
1520 }
1521
1522 @end
1523 /* }}} */
1524
1525 // Cytore Definitions {{{
1526 struct PackageValue :
1527     Cytore::Block
1528 {
1529     Cytore::Offset<PackageValue> next_;
1530
1531     uint32_t index_ : 23;
1532     uint32_t subscribed_ : 1;
1533     uint32_t : 8;
1534
1535     int32_t first_;
1536     int32_t last_;
1537
1538     uint16_t vhash_;
1539     uint16_t nhash_;
1540
1541     char version_[8];
1542     char name_[];
1543 };
1544
1545 struct MetaValue :
1546     Cytore::Block
1547 {
1548     uint32_t active_;
1549     Cytore::Offset<PackageValue> packages_[1 << 16];
1550 };
1551
1552 static Cytore::File<MetaValue> MetaFile_;
1553 // }}}
1554 // Cytore Helper Functions {{{
1555 static PackageValue *PackageFind(const char *name, size_t length, bool *fail = NULL) {
1556     SplitHash nhash = { hashlittle(name, length) };
1557
1558     PackageValue *metadata;
1559
1560     Cytore::Offset<PackageValue> *offset(&MetaFile_->packages_[nhash.u16[0]]);
1561     offset: if (offset->IsNull()) {
1562         *offset = MetaFile_.New<PackageValue>(length + 1);
1563         metadata = &MetaFile_.Get(*offset);
1564
1565         if (metadata == NULL) {
1566             if (fail != NULL)
1567                 *fail = true;
1568
1569             metadata = new PackageValue();
1570             memset(metadata, 0, sizeof(*metadata));
1571         }
1572
1573         memcpy(metadata->name_, name, length + 1);
1574         metadata->nhash_ = nhash.u16[1];
1575     } else {
1576         metadata = &MetaFile_.Get(*offset);
1577
1578         if (metadata->nhash_ != nhash.u16[1] || strncmp(metadata->name_, name, length + 1) != 0) {
1579             offset = &metadata->next_;
1580             goto offset;
1581         }
1582     }
1583
1584     return metadata;
1585 }
1586
1587 static void PackageImport(const void *key, const void *value, void *context) {
1588     bool &fail(*reinterpret_cast<bool *>(context));
1589
1590     char buffer[1024];
1591     if (!CFStringGetCString((CFStringRef) key, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
1592         NSLog(@"failed to import package %@", key);
1593         return;
1594     }
1595
1596     PackageValue *metadata(PackageFind(buffer, strlen(buffer), &fail));
1597     NSDictionary *package((NSDictionary *) value);
1598
1599     if (NSNumber *subscribed = [package objectForKey:@"IsSubscribed"])
1600         if ([subscribed boolValue] && !metadata->subscribed_)
1601             metadata->subscribed_ = true;
1602
1603     if (NSDate *date = [package objectForKey:@"FirstSeen"]) {
1604         time_t time([date timeIntervalSince1970]);
1605         if (metadata->first_ > time || metadata->first_ == 0)
1606             metadata->first_ = time;
1607     }
1608
1609     NSDate *date([package objectForKey:@"LastSeen"]);
1610     NSString *version([package objectForKey:@"LastVersion"]);
1611
1612     if (date != nil && version != nil) {
1613         time_t time([date timeIntervalSince1970]);
1614         if (metadata->last_ < time || metadata->last_ == 0)
1615             if (CFStringGetCString((CFStringRef) version, buffer, sizeof(buffer), kCFStringEncodingUTF8)) {
1616                 size_t length(strlen(buffer));
1617                 uint16_t vhash(hashlittle(buffer, length));
1618
1619                 size_t capped(std::min<size_t>(8, length));
1620                 char *latest(buffer + length - capped);
1621
1622                 strncpy(metadata->version_, latest, sizeof(metadata->version_));
1623                 metadata->vhash_ = vhash;
1624
1625                 metadata->last_ = time;
1626             }
1627     }
1628 }
1629 // }}}
1630
1631 /* Source Class {{{ */
1632 @interface Source : NSObject {
1633     CYString depiction_;
1634     CYString description_;
1635     CYString label_;
1636     CYString origin_;
1637     CYString support_;
1638
1639     CYString uri_;
1640     CYString distribution_;
1641     CYString type_;
1642     CYString version_;
1643
1644     _H<NSString> host_;
1645     _H<NSString> authority_;
1646
1647     CYString defaultIcon_;
1648
1649     _H<NSDictionary> record_;
1650     BOOL trusted_;
1651 }
1652
1653 - (Source *) initWithMetaIndex:(metaIndex *)index inPool:(apr_pool_t *)pool;
1654
1655 - (NSComparisonResult) compareByNameAndType:(Source *)source;
1656
1657 - (NSString *) depictionForPackage:(NSString *)package;
1658 - (NSString *) supportForPackage:(NSString *)package;
1659
1660 - (NSDictionary *) record;
1661 - (BOOL) trusted;
1662
1663 - (NSString *) uri;
1664 - (NSString *) distribution;
1665 - (NSString *) type;
1666 - (NSString *) key;
1667 - (NSString *) host;
1668
1669 - (NSString *) name;
1670 - (NSString *) description;
1671 - (NSString *) label;
1672 - (NSString *) origin;
1673 - (NSString *) version;
1674
1675 - (NSString *) defaultIcon;
1676
1677 @end
1678
1679 @implementation Source
1680
1681 - (void) _clear {
1682     uri_.clear();
1683     distribution_.clear();
1684     type_.clear();
1685
1686     description_.clear();
1687     label_.clear();
1688     origin_.clear();
1689     depiction_.clear();
1690     support_.clear();
1691     version_.clear();
1692     defaultIcon_.clear();
1693
1694     record_ = nil;
1695     host_ = nil;
1696     authority_ = nil;
1697 }
1698
1699 - (void) dealloc {
1700     // XXX: this is a very inefficient way to call these deconstructors
1701     [self _clear];
1702     [super dealloc];
1703 }
1704
1705 + (NSArray *) _attributeKeys {
1706     return [NSArray arrayWithObjects:
1707         @"description",
1708         @"distribution",
1709         @"host",
1710         @"key",
1711         @"label",
1712         @"name",
1713         @"origin",
1714         @"trusted",
1715         @"type",
1716         @"uri",
1717         @"version",
1718     nil];
1719 }
1720
1721 - (NSArray *) attributeKeys {
1722     return [[self class] _attributeKeys];
1723 }
1724
1725 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1726     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1727 }
1728
1729 - (void) setMetaIndex:(metaIndex *)index inPool:(apr_pool_t *)pool {
1730     [self _clear];
1731
1732     trusted_ = index->IsTrusted();
1733
1734     uri_.set(pool, index->GetURI());
1735     distribution_.set(pool, index->GetDist());
1736     type_.set(pool, index->GetType());
1737
1738     debReleaseIndex *dindex(dynamic_cast<debReleaseIndex *>(index));
1739     if (dindex != NULL) {
1740         FileFd fd;
1741         if (!fd.Open(dindex->MetaIndexFile("Release"), FileFd::ReadOnly))
1742             _error->Discard();
1743         else {
1744             pkgTagFile tags(&fd);
1745
1746             pkgTagSection section;
1747             tags.Step(section);
1748
1749             struct {
1750                 const char *name_;
1751                 CYString *value_;
1752             } names[] = {
1753                 {"default-icon", &defaultIcon_},
1754                 {"depiction", &depiction_},
1755                 {"description", &description_},
1756                 {"label", &label_},
1757                 {"origin", &origin_},
1758                 {"support", &support_},
1759                 {"version", &version_},
1760             };
1761
1762             for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i) {
1763                 const char *start, *end;
1764
1765                 if (section.Find(names[i].name_, start, end)) {
1766                     CYString &value(*names[i].value_);
1767                     value.set(pool, start, end - start);
1768                 }
1769             }
1770         }
1771     }
1772
1773     record_ = [Sources_ objectForKey:[self key]];
1774
1775     NSURL *url([NSURL URLWithString:uri_]);
1776
1777     host_ = [url host];
1778     if (host_ != nil)
1779         host_ = [host_ lowercaseString];
1780
1781     if (host_ != nil)
1782         // XXX: this is due to a bug in _H<>
1783         authority_ = (id) host_;
1784     else
1785         authority_ = [url path];
1786 }
1787
1788 - (Source *) initWithMetaIndex:(metaIndex *)index inPool:(apr_pool_t *)pool {
1789     if ((self = [super init]) != nil) {
1790         [self setMetaIndex:index inPool:pool];
1791     } return self;
1792 }
1793
1794 - (NSComparisonResult) compareByNameAndType:(Source *)source {
1795     NSDictionary *lhr = [self record];
1796     NSDictionary *rhr = [source record];
1797
1798     if (lhr != rhr)
1799         return lhr == nil ? NSOrderedDescending : NSOrderedAscending;
1800
1801     NSString *lhs = [self name];
1802     NSString *rhs = [source name];
1803
1804     if ([lhs length] != 0 && [rhs length] != 0) {
1805         unichar lhc = [lhs characterAtIndex:0];
1806         unichar rhc = [rhs characterAtIndex:0];
1807
1808         if (isalpha(lhc) && !isalpha(rhc))
1809             return NSOrderedAscending;
1810         else if (!isalpha(lhc) && isalpha(rhc))
1811             return NSOrderedDescending;
1812     }
1813
1814     return [lhs compare:rhs options:LaxCompareOptions_];
1815 }
1816
1817 - (NSString *) depictionForPackage:(NSString *)package {
1818     return depiction_.empty() ? nil : [static_cast<id>(depiction_) stringByReplacingOccurrencesOfString:@"*" withString:package];
1819 }
1820
1821 - (NSString *) supportForPackage:(NSString *)package {
1822     return support_.empty() ? nil : [static_cast<id>(support_) stringByReplacingOccurrencesOfString:@"*" withString:package];
1823 }
1824
1825 - (NSDictionary *) record {
1826     return record_;
1827 }
1828
1829 - (BOOL) trusted {
1830     return trusted_;
1831 }
1832
1833 - (NSString *) uri {
1834     return uri_;
1835 }
1836
1837 - (NSString *) distribution {
1838     return distribution_;
1839 }
1840
1841 - (NSString *) type {
1842     return type_;
1843 }
1844
1845 - (NSString *) key {
1846     return [NSString stringWithFormat:@"%@:%@:%@", (NSString *) type_, (NSString *) uri_, (NSString *) distribution_];
1847 }
1848
1849 - (NSString *) host {
1850     return host_;
1851 }
1852
1853 - (NSString *) name {
1854     return origin_.empty() ? (id) authority_ : origin_;
1855 }
1856
1857 - (NSString *) description {
1858     return description_;
1859 }
1860
1861 - (NSString *) label {
1862     return label_.empty() ? (id) authority_ : label_;
1863 }
1864
1865 - (NSString *) origin {
1866     return origin_;
1867 }
1868
1869 - (NSString *) version {
1870     return version_;
1871 }
1872
1873 - (NSString *) defaultIcon {
1874     return defaultIcon_;
1875 }
1876
1877 @end
1878 /* }}} */
1879 /* CydiaOperation Class {{{ */
1880 @interface CydiaOperation : NSObject {
1881     NSString *operator_;
1882     NSString *value_;
1883 }
1884
1885 - (NSString *) operator;
1886 - (NSString *) value;
1887
1888 @end
1889
1890 @implementation CydiaOperation
1891
1892 - (void) dealloc {
1893     [operator_ release];
1894     [value_ release];
1895     [super dealloc];
1896 }
1897
1898 - (id) initWithOperator:(const char *)_operator value:(const char *)value {
1899     if ((self = [super init]) != nil) {
1900         operator_ = [[NSString alloc] initWithUTF8String:_operator];
1901         value_ = [[NSString alloc] initWithUTF8String:value];
1902     } return self;
1903 }
1904
1905 + (NSArray *) _attributeKeys {
1906     return [NSArray arrayWithObjects:
1907         @"operator",
1908         @"value",
1909     nil];
1910 }
1911
1912 - (NSArray *) attributeKeys {
1913     return [[self class] _attributeKeys];
1914 }
1915
1916 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1917     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1918 }
1919
1920 - (NSString *) operator {
1921     return operator_;
1922 }
1923
1924 - (NSString *) value {
1925     return value_;
1926 }
1927
1928 @end
1929 /* }}} */
1930 /* CydiaClause Class {{{ */
1931 @interface CydiaClause : NSObject {
1932     NSString *package_;
1933     CydiaOperation *version_;
1934 }
1935
1936 - (NSString *) package;
1937 - (CydiaOperation *) version;
1938
1939 @end
1940
1941 @implementation CydiaClause
1942
1943 - (void) dealloc {
1944     [package_ release];
1945     [version_ release];
1946     [super dealloc];
1947 }
1948
1949 - (id) initWithIterator:(pkgCache::DepIterator &)dep {
1950     if ((self = [super init]) != nil) {
1951         package_ = [[NSString alloc] initWithUTF8String:dep.TargetPkg().Name()];
1952
1953         if (const char *version = dep.TargetVer())
1954             version_ = [[CydiaOperation alloc] initWithOperator:dep.CompType() value:version];
1955         else
1956             version_ = [[NSNull null] retain];
1957     } return self;
1958 }
1959
1960 + (NSArray *) _attributeKeys {
1961     return [NSArray arrayWithObjects:
1962         @"package",
1963         @"version",
1964     nil];
1965 }
1966
1967 - (NSArray *) attributeKeys {
1968     return [[self class] _attributeKeys];
1969 }
1970
1971 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
1972     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
1973 }
1974
1975 - (NSString *) package {
1976     return package_;
1977 }
1978
1979 - (CydiaOperation *) version {
1980     return version_;
1981 }
1982
1983 @end
1984 /* }}} */
1985 /* CydiaRelation Class {{{ */
1986 @interface CydiaRelation : NSObject {
1987     NSString *relationship_;
1988     NSMutableArray *clauses_;
1989 }
1990
1991 - (NSString *) relationship;
1992 - (NSArray *) clauses;
1993
1994 @end
1995
1996 @implementation CydiaRelation
1997
1998 - (void) dealloc {
1999     [relationship_ release];
2000     [clauses_ release];
2001     [super dealloc];
2002 }
2003
2004 - (id) initWithIterator:(pkgCache::DepIterator &)dep {
2005     if ((self = [super init]) != nil) {
2006         relationship_ = [[NSString alloc] initWithUTF8String:dep.DepType()];
2007         clauses_ = [[NSMutableArray alloc] initWithCapacity:8];
2008
2009         pkgCache::DepIterator start;
2010         pkgCache::DepIterator end;
2011         dep.GlobOr(start, end); // ++dep
2012
2013         _forever {
2014             [clauses_ addObject:[[[CydiaClause alloc] initWithIterator:start] autorelease]];
2015
2016             // yes, seriously. (wtf?)
2017             if (start == end)
2018                 break;
2019             ++start;
2020         }
2021     } return self;
2022 }
2023
2024 + (NSArray *) _attributeKeys {
2025     return [NSArray arrayWithObjects:
2026         @"clauses",
2027         @"relationship",
2028     nil];
2029 }
2030
2031 - (NSArray *) attributeKeys {
2032     return [[self class] _attributeKeys];
2033 }
2034
2035 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
2036     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
2037 }
2038
2039 - (NSString *) relationship {
2040     return relationship_;
2041 }
2042
2043 - (NSArray *) clauses {
2044     return clauses_;
2045 }
2046
2047 - (void) addClause:(CydiaClause *)clause {
2048     [clauses_ addObject:clause];
2049 }
2050
2051 @end
2052 /* }}} */
2053 /* Package Class {{{ */
2054 struct ParsedPackage {
2055     CYString tagline_;
2056
2057     CYString icon_;
2058
2059     CYString depiction_;
2060     CYString homepage_;
2061
2062     CYString sponsor_;
2063     CYString author_;
2064
2065     CYString bugs_;
2066     CYString support_;
2067 };
2068
2069 @interface Package : NSObject {
2070     uint32_t era_ : 26;
2071     uint32_t role_ : 3;
2072     uint32_t essential_ : 1;
2073     uint32_t obsolete_ : 1;
2074     uint32_t ignored_ : 1;
2075
2076     apr_pool_t *pool_;
2077
2078     _transient Database *database_;
2079
2080     pkgCache::VerIterator version_;
2081     pkgCache::PkgIterator iterator_;
2082     pkgCache::VerFileIterator file_;
2083
2084     CYString id_;
2085     CYString name_;
2086
2087     CYString latest_;
2088     CYString installed_;
2089
2090     const char *section_;
2091     _transient NSString *section$_;
2092
2093     Source *source_;
2094
2095     PackageValue *metadata_;
2096     ParsedPackage *parsed_;
2097
2098     NSMutableArray *tags_;
2099 }
2100
2101 - (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database;
2102 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database;
2103
2104 - (pkgCache::PkgIterator) iterator;
2105 - (void) parse;
2106
2107 - (NSString *) section;
2108 - (NSString *) simpleSection;
2109
2110 - (NSString *) longSection;
2111 - (NSString *) shortSection;
2112
2113 - (NSString *) uri;
2114
2115 - (Address *) maintainer;
2116 - (size_t) size;
2117 - (NSString *) longDescription;
2118 - (NSString *) shortDescription;
2119 - (unichar) index;
2120
2121 - (PackageValue *) metadata;
2122 - (time_t) seen;
2123
2124 - (bool) subscribed;
2125 - (bool) setSubscribed:(bool)subscribed;
2126
2127 - (BOOL) ignored;
2128
2129 - (NSString *) latest;
2130 - (NSString *) installed;
2131 - (BOOL) uninstalled;
2132
2133 - (BOOL) valid;
2134 - (BOOL) upgradableAndEssential:(BOOL)essential;
2135 - (BOOL) essential;
2136 - (BOOL) broken;
2137 - (BOOL) unfiltered;
2138 - (BOOL) visible;
2139
2140 - (BOOL) half;
2141 - (BOOL) halfConfigured;
2142 - (BOOL) halfInstalled;
2143 - (BOOL) hasMode;
2144 - (NSString *) mode;
2145
2146 - (NSString *) id;
2147 - (NSString *) name;
2148 - (UIImage *) icon;
2149 - (NSString *) homepage;
2150 - (NSString *) depiction;
2151 - (Address *) author;
2152
2153 - (NSString *) support;
2154
2155 - (NSArray *) files;
2156 - (NSArray *) warnings;
2157 - (NSArray *) applications;
2158
2159 - (Source *) source;
2160
2161 - (BOOL) matches:(NSString *)text;
2162
2163 - (bool) hasSupportingRole;
2164 - (BOOL) hasTag:(NSString *)tag;
2165 - (NSString *) primaryPurpose;
2166 - (NSArray *) purposes;
2167 - (bool) isCommercial;
2168
2169 - (void) setIndex:(size_t)index;
2170
2171 - (CYString &) cyname;
2172
2173 - (uint32_t) compareBySection:(NSArray *)sections;
2174
2175 - (void) install;
2176 - (void) remove;
2177
2178 - (bool) isUnfilteredAndSearchedForBy:(NSString *)search;
2179 - (bool) isUnfilteredAndSelectedForBy:(NSString *)search;
2180 - (bool) isInstalledAndUnfiltered:(NSNumber *)number;
2181 - (bool) isVisibleInSection:(NSString *)section;
2182 - (bool) isVisibleInSource:(Source *)source;
2183
2184 @end
2185
2186 uint32_t PackageChangesRadix(Package *self, void *) {
2187     union {
2188         uint32_t key;
2189
2190         struct {
2191             uint32_t timestamp : 30;
2192             uint32_t ignored : 1;
2193             uint32_t upgradable : 1;
2194         } bits;
2195     } value;
2196
2197     bool upgradable([self upgradableAndEssential:YES]);
2198     value.bits.upgradable = upgradable ? 1 : 0;
2199
2200     if (upgradable) {
2201         value.bits.timestamp = 0;
2202         value.bits.ignored = [self ignored] ? 0 : 1;
2203         value.bits.upgradable = 1;
2204     } else {
2205         value.bits.timestamp = [self seen] >> 2;
2206         value.bits.ignored = 0;
2207         value.bits.upgradable = 0;
2208     }
2209
2210     return _not(uint32_t) - value.key;
2211 }
2212
2213 uint32_t PackagePrefixRadix(Package *self, void *context) {
2214     size_t offset(reinterpret_cast<size_t>(context));
2215     CYString &name([self cyname]);
2216
2217     size_t size(name.size());
2218     if (size == 0)
2219         return 0;
2220     char *text(name.data());
2221
2222     size_t zeros;
2223     if (!isdigit(text[0]))
2224         zeros = 0;
2225     else {
2226         size_t digits(1);
2227         while (size != digits && isdigit(text[digits]))
2228             if (++digits == 4)
2229                 break;
2230         zeros = 4 - digits;
2231     }
2232
2233     uint8_t data[4];
2234
2235     if (offset == 0 && zeros != 0) {
2236         memset(data, '0', zeros);
2237         memcpy(data + zeros, text, 4 - zeros);
2238     } else {
2239         /* XXX: there's some danger here if you request a non-zero offset < 4 and it gets zero padded */
2240         if (size <= offset - zeros)
2241             return 0;
2242
2243         text += offset - zeros;
2244         size -= offset - zeros;
2245
2246         if (size >= 4)
2247             memcpy(data, text, 4);
2248         else {
2249             memcpy(data, text, size);
2250             memset(data + size, 0, 4 - size);
2251         }
2252
2253         for (size_t i(0); i != 4; ++i)
2254             if (isalpha(data[i]))
2255                 data[i] |= 0x20;
2256     }
2257
2258     if (offset == 0)
2259         if (data[0] == '@')
2260             data[0] = 0x7f;
2261         else
2262             data[0] = (data[0] & 0x1f) | "\x80\x00\xc0\x40"[data[0] >> 6];
2263
2264     /* XXX: ntohl may be more honest */
2265     return OSSwapInt32(*reinterpret_cast<uint32_t *>(data));
2266 }
2267
2268 CYString &(*PackageName)(Package *self, SEL sel);
2269
2270 CFComparisonResult PackageNameCompare(Package *lhs, Package *rhs, void *arg) {
2271     _profile(PackageNameCompare)
2272         CYString &lhi(PackageName(lhs, @selector(cyname)));
2273         CYString &rhi(PackageName(rhs, @selector(cyname)));
2274         CFStringRef lhn(lhi), rhn(rhi);
2275
2276         if (lhn == NULL)
2277             return rhn == NULL ? NSOrderedSame : NSOrderedAscending;
2278         else if (rhn == NULL)
2279             return NSOrderedDescending;
2280
2281         _profile(PackageNameCompare$NumbersLast)
2282             if (!lhi.empty() && !rhi.empty()) {
2283                 UniChar lhc(CFStringGetCharacterAtIndex(lhn, 0));
2284                 UniChar rhc(CFStringGetCharacterAtIndex(rhn, 0));
2285                 bool lha(CFUniCharIsMemberOf(lhc, kCFUniCharLetterCharacterSet));
2286                 if (lha != CFUniCharIsMemberOf(rhc, kCFUniCharLetterCharacterSet))
2287                     return lha ? NSOrderedAscending : NSOrderedDescending;
2288             }
2289         _end
2290
2291         CFIndex length = CFStringGetLength(lhn);
2292
2293         _profile(PackageNameCompare$Compare)
2294             return CFStringCompareWithOptionsAndLocale(lhn, rhn, CFRangeMake(0, length), LaxCompareFlags_, Locale_);
2295         _end
2296     _end
2297 }
2298
2299 CFComparisonResult PackageNameCompare_(Package **lhs, Package **rhs, void *context) {
2300     return PackageNameCompare(*lhs, *rhs, context);
2301 }
2302
2303 struct PackageNameOrdering :
2304     std::binary_function<Package *, Package *, bool>
2305 {
2306     _finline bool operator ()(Package *lhs, Package *rhs) const {
2307         return PackageNameCompare(lhs, rhs, NULL) == NSOrderedAscending;
2308     }
2309 };
2310
2311 @implementation Package
2312
2313 - (NSString *) description {
2314     return [NSString stringWithFormat:@"<Package:%@>", static_cast<NSString *>(name_)];
2315 }
2316
2317 - (void) dealloc {
2318     if (parsed_ != NULL)
2319         delete parsed_;
2320     if (source_ != nil)
2321         [source_ release];
2322     if (tags_ != nil)
2323         [tags_ release];
2324     [super dealloc];
2325 }
2326
2327 + (NSString *) webScriptNameForSelector:(SEL)selector {
2328     if (false);
2329     else if (selector == @selector(clear))
2330         return @"clear";
2331     else if (selector == @selector(getField:))
2332         return @"getField";
2333     else if (selector == @selector(hasTag:))
2334         return @"hasTag";
2335     else if (selector == @selector(install))
2336         return @"install";
2337     else if (selector == @selector(remove))
2338         return @"remove";
2339     else
2340         return nil;
2341 }
2342
2343 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
2344     return [self webScriptNameForSelector:selector] == nil;
2345 }
2346
2347 + (NSArray *) _attributeKeys {
2348     return [NSArray arrayWithObjects:
2349         @"applications",
2350         @"author",
2351         @"depiction",
2352         @"essential",
2353         @"homepage",
2354         @"icon",
2355         @"id",
2356         @"installed",
2357         @"latest",
2358         @"longDescription",
2359         @"longSection",
2360         @"maintainer",
2361         @"mode",
2362         @"name",
2363         @"purposes",
2364         @"relations",
2365         @"section",
2366         @"selection",
2367         @"shortDescription",
2368         @"shortSection",
2369         @"simpleSection",
2370         @"size",
2371         @"source",
2372         @"sponsor",
2373         @"state",
2374         @"support",
2375         @"tags",
2376         @"warnings",
2377     nil];
2378 }
2379
2380 - (NSArray *) attributeKeys {
2381     return [[self class] _attributeKeys];
2382 }
2383
2384 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
2385     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
2386 }
2387
2388 - (NSArray *) relations {
2389 @synchronized (database_) {
2390     NSMutableArray *relations([NSMutableArray arrayWithCapacity:16]);
2391     for (pkgCache::DepIterator dep(version_.DependsList()); !dep.end(); ++dep)
2392         [relations addObject:[[[CydiaRelation alloc] initWithIterator:dep] autorelease]];
2393     return relations;
2394 } }
2395
2396 - (NSString *) getField:(NSString *)name {
2397 @synchronized (database_) {
2398     if ([database_ era] != era_ || file_.end())
2399         return nil;
2400
2401     pkgRecords::Parser &parser([database_ records]->Lookup(file_));
2402
2403     const char *start, *end;
2404     if (!parser.Find([name UTF8String], start, end))
2405         return (NSString *) [NSNull null];
2406
2407     return [(NSString *) CYStringCreate(start, end - start) autorelease];
2408 } }
2409
2410 - (void) parse {
2411     if (parsed_ != NULL)
2412         return;
2413 @synchronized (database_) {
2414     if ([database_ era] != era_ || file_.end())
2415         return;
2416
2417     ParsedPackage *parsed(new ParsedPackage);
2418     parsed_ = parsed;
2419
2420     _profile(Package$parse)
2421         pkgRecords::Parser *parser;
2422
2423         _profile(Package$parse$Lookup)
2424             parser = &[database_ records]->Lookup(file_);
2425         _end
2426
2427         CYString website;
2428
2429         _profile(Package$parse$Find)
2430             struct {
2431                 const char *name_;
2432                 CYString *value_;
2433             } names[] = {
2434                 {"icon", &parsed->icon_},
2435                 {"depiction", &parsed->depiction_},
2436                 {"homepage", &parsed->homepage_},
2437                 {"website", &website},
2438                 {"bugs", &parsed->bugs_},
2439                 {"support", &parsed->support_},
2440                 {"sponsor", &parsed->sponsor_},
2441                 {"author", &parsed->author_},
2442             };
2443
2444             for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i) {
2445                 const char *start, *end;
2446
2447                 if (parser->Find(names[i].name_, start, end)) {
2448                     CYString &value(*names[i].value_);
2449                     _profile(Package$parse$Value)
2450                         value.set(pool_, start, end - start);
2451                     _end
2452                 }
2453             }
2454         _end
2455
2456         _profile(Package$parse$Tagline)
2457             const char *start, *end;
2458             if (parser->ShortDesc(start, end)) {
2459                 const char *stop(reinterpret_cast<const char *>(memchr(start, '\n', end - start)));
2460                 if (stop == NULL)
2461                     stop = end;
2462                 while (stop != start && stop[-1] == '\r')
2463                     --stop;
2464                 parsed->tagline_.set(pool_, start, stop - start);
2465             }
2466         _end
2467
2468         _profile(Package$parse$Retain)
2469             if (parsed->homepage_.empty())
2470                 parsed->homepage_ = website;
2471             if (parsed->homepage_ == parsed->depiction_)
2472                 parsed->homepage_.clear();
2473         _end
2474     _end
2475 } }
2476
2477 - (Package *) initWithVersion:(pkgCache::VerIterator)version withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database {
2478     if ((self = [super init]) != nil) {
2479     _profile(Package$initWithVersion)
2480         pool_ = pool;
2481
2482         database_ = database;
2483         era_ = [database era];
2484
2485         version_ = version;
2486
2487         pkgCache::PkgIterator iterator(version.ParentPkg());
2488         iterator_ = iterator;
2489
2490         _profile(Package$initWithVersion$Version)
2491             if (!version_.end())
2492                 file_ = version_.FileList();
2493             else {
2494                 pkgCache &cache([database_ cache]);
2495                 file_ = pkgCache::VerFileIterator(cache, cache.VerFileP);
2496             }
2497         _end
2498
2499         _profile(Package$initWithVersion$Cache)
2500             name_.set(NULL, iterator.Display());
2501
2502             latest_.set(NULL, StripVersion_(version_.VerStr()));
2503
2504             pkgCache::VerIterator current(iterator.CurrentVer());
2505             if (!current.end())
2506                 installed_.set(NULL, StripVersion_(current.VerStr()));
2507         _end
2508
2509         _profile(Package$initWithVersion$Tags)
2510             pkgCache::TagIterator tag(iterator.TagList());
2511             if (!tag.end()) {
2512                 tags_ = [[NSMutableArray alloc] initWithCapacity:8];
2513                 do {
2514                     const char *name(tag.Name());
2515                     [tags_ addObject:[(NSString *)CYStringCreate(name) autorelease]];
2516
2517                     if (role_ == 0 && strncmp(name, "role::", 6) == 0 /*&& strcmp(name, "role::leaper") != 0*/) {
2518                         if (strcmp(name + 6, "enduser") == 0)
2519                             role_ = 1;
2520                         else if (strcmp(name + 6, "hacker") == 0)
2521                             role_ = 2;
2522                         else if (strcmp(name + 6, "developer") == 0)
2523                             role_ = 3;
2524                         else if (strcmp(name + 6, "cydia") == 0)
2525                             role_ = 7;
2526                         else
2527                             role_ = 4;
2528                     }
2529
2530                     if (strncmp(name, "cydia::", 7) == 0) {
2531                         if (strcmp(name + 7, "essential") == 0)
2532                             essential_ = true;
2533                         else if (strcmp(name + 7, "obsolete") == 0)
2534                             obsolete_ = true;
2535                     }
2536
2537                     ++tag;
2538                 } while (!tag.end());
2539             }
2540         _end
2541
2542         _profile(Package$initWithVersion$Metadata)
2543             const char *mixed(iterator.Name());
2544             size_t size(strlen(mixed));
2545             char lower[size + 1];
2546
2547             for (size_t i(0); i != size; ++i)
2548                 lower[i] = mixed[i] | 0x20;
2549             lower[size] = '\0';
2550
2551             PackageValue *metadata(PackageFind(lower, size));
2552             metadata_ = metadata;
2553
2554             id_.set(NULL, metadata->name_, size);
2555
2556             const char *latest(version_.VerStr());
2557             size_t length(strlen(latest));
2558
2559             uint16_t vhash(hashlittle(latest, length));
2560
2561             size_t capped(std::min<size_t>(8, length));
2562             latest = latest + length - capped;
2563
2564             if (metadata->first_ == 0)
2565                 metadata->first_ = now_;
2566
2567             if (metadata->vhash_ != vhash || strncmp(metadata->version_, latest, sizeof(metadata->version_)) != 0) {
2568                 strncpy(metadata->version_, latest, sizeof(metadata->version_));
2569                 metadata->vhash_ = vhash;
2570                 metadata->last_ = now_;
2571             } else if (metadata->last_ == 0)
2572                 metadata->last_ = metadata->first_;
2573         _end
2574
2575         _profile(Package$initWithVersion$Section)
2576             section_ = iterator.Section();
2577         _end
2578
2579         _profile(Package$initWithVersion$Flags)
2580             essential_ |= ((iterator->Flags & pkgCache::Flag::Essential) == 0 ? NO : YES);
2581             ignored_ = iterator->SelectedState == pkgCache::State::Hold;
2582         _end
2583     _end } return self;
2584 }
2585
2586 + (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator withZone:(NSZone *)zone inPool:(apr_pool_t *)pool database:(Database *)database {
2587     pkgCache::VerIterator version;
2588
2589     _profile(Package$packageWithIterator$GetCandidateVer)
2590         version = [database policy]->GetCandidateVer(iterator);
2591     _end
2592
2593     if (version.end())
2594         return nil;
2595
2596     Package *package;
2597
2598     _profile(Package$packageWithIterator$Allocate)
2599         package = [Package allocWithZone:zone];
2600     _end
2601
2602     _profile(Package$packageWithIterator$Initialize)
2603         package = [package
2604             initWithVersion:version
2605             withZone:zone
2606             inPool:pool
2607             database:database
2608         ];
2609     _end
2610
2611     _profile(Package$packageWithIterator$Autorelease)
2612         package = [package autorelease];
2613     _end
2614
2615     return package;
2616 }
2617
2618 - (pkgCache::PkgIterator) iterator {
2619     return iterator_;
2620 }
2621
2622 - (NSString *) section {
2623     if (section$_ == nil) {
2624         if (section_ == NULL)
2625             return nil;
2626
2627         _profile(Package$section$mappedSectionForPointer)
2628             section$_ = [database_ mappedSectionForPointer:section_];
2629         _end
2630     } return section$_;
2631 }
2632
2633 - (NSString *) simpleSection {
2634     if (NSString *section = [self section])
2635         return Simplify(section);
2636     else
2637         return nil;
2638 }
2639
2640 - (NSString *) longSection {
2641     return LocalizeSection([self section]);
2642 }
2643
2644 - (NSString *) shortSection {
2645     return [[NSBundle mainBundle] localizedStringForKey:[self simpleSection] value:nil table:@"Sections"];
2646 }
2647
2648 - (NSString *) uri {
2649     return nil;
2650 #if 0
2651     pkgIndexFile *index;
2652     pkgCache::PkgFileIterator file(file_.File());
2653     if (![database_ list].FindIndex(file, index))
2654         return nil;
2655     return [NSString stringWithUTF8String:iterator_->Path];
2656     //return [NSString stringWithUTF8String:file.Site()];
2657     //return [NSString stringWithUTF8String:index->ArchiveURI(file.FileName()).c_str()];
2658 #endif
2659 }
2660
2661 - (Address *) maintainer {
2662 @synchronized (database_) {
2663     if ([database_ era] != era_ || file_.end())
2664         return nil;
2665
2666     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
2667     const std::string &maintainer(parser->Maintainer());
2668     return maintainer.empty() ? nil : [Address addressWithString:[NSString stringWithUTF8String:maintainer.c_str()]];
2669 } }
2670
2671 - (size_t) size {
2672 @synchronized (database_) {
2673     if ([database_ era] != era_ || version_.end())
2674         return 0;
2675
2676     return version_->InstalledSize;
2677 } }
2678
2679 - (NSString *) longDescription {
2680 @synchronized (database_) {
2681     if ([database_ era] != era_ || file_.end())
2682         return nil;
2683
2684     pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
2685     NSString *description([NSString stringWithUTF8String:parser->LongDesc().c_str()]);
2686
2687     NSArray *lines = [description componentsSeparatedByString:@"\n"];
2688     NSMutableArray *trimmed = [NSMutableArray arrayWithCapacity:([lines count] - 1)];
2689     if ([lines count] < 2)
2690         return nil;
2691
2692     NSCharacterSet *whitespace = [NSCharacterSet whitespaceCharacterSet];
2693     for (size_t i(1), e([lines count]); i != e; ++i) {
2694         NSString *trim = [[lines objectAtIndex:i] stringByTrimmingCharactersInSet:whitespace];
2695         [trimmed addObject:trim];
2696     }
2697
2698     return [trimmed componentsJoinedByString:@"\n"];
2699 } }
2700
2701 - (NSString *) shortDescription {
2702     return parsed_ == NULL ? nil : static_cast<NSString *>(parsed_->tagline_);
2703 }
2704
2705 - (unichar) index {
2706     _profile(Package$index)
2707         CFStringRef name((CFStringRef) [self name]);
2708         if (CFStringGetLength(name) == 0)
2709             return '#';
2710         UniChar character(CFStringGetCharacterAtIndex(name, 0));
2711         if (!CFUniCharIsMemberOf(character, kCFUniCharLetterCharacterSet))
2712             return '#';
2713         return toupper(character);
2714     _end
2715 }
2716
2717 - (PackageValue *) metadata {
2718     return metadata_;
2719 }
2720
2721 - (time_t) seen {
2722     PackageValue *metadata([self metadata]);
2723     return metadata->subscribed_ ? metadata->last_ : metadata->first_;
2724 }
2725
2726 - (bool) subscribed {
2727     return [self metadata]->subscribed_;
2728 }
2729
2730 - (bool) setSubscribed:(bool)subscribed {
2731     PackageValue *metadata([self metadata]);
2732     if (metadata->subscribed_ == subscribed)
2733         return false;
2734     metadata->subscribed_ = subscribed;
2735     return true;
2736 }
2737
2738 - (BOOL) ignored {
2739     return ignored_;
2740 }
2741
2742 - (NSString *) latest {
2743     return latest_;
2744 }
2745
2746 - (NSString *) installed {
2747     return installed_;
2748 }
2749
2750 - (BOOL) uninstalled {
2751     return installed_.empty();
2752 }
2753
2754 - (BOOL) valid {
2755     return !version_.end();
2756 }
2757
2758 - (BOOL) upgradableAndEssential:(BOOL)essential {
2759     _profile(Package$upgradableAndEssential)
2760         pkgCache::VerIterator current(iterator_.CurrentVer());
2761         if (current.end())
2762             return essential && essential_;
2763         else
2764             return !version_.end() && version_ != current;
2765     _end
2766 }
2767
2768 - (BOOL) essential {
2769     return essential_;
2770 }
2771
2772 - (BOOL) broken {
2773     return [database_ cache][iterator_].InstBroken();
2774 }
2775
2776 - (BOOL) unfiltered {
2777     _profile(Package$unfiltered$obsolete)
2778         if (_unlikely(obsolete_))
2779             return false;
2780     _end
2781
2782     _profile(Package$unfiltered$hasSupportingRole)
2783         if (_unlikely(![self hasSupportingRole]))
2784             return false;
2785     _end
2786
2787     return true;
2788 }
2789
2790 - (BOOL) visible {
2791     if (![self unfiltered])
2792         return false;
2793
2794     NSString *section;
2795
2796     _profile(Package$visible$section)
2797         section = [self section];
2798     _end
2799
2800     _profile(Package$visible$isSectionVisible)
2801         if (!isSectionVisible(section))
2802             return false;
2803     _end
2804
2805     return true;
2806 }
2807
2808 - (BOOL) half {
2809     unsigned char current(iterator_->CurrentState);
2810     return current == pkgCache::State::HalfConfigured || current == pkgCache::State::HalfInstalled;
2811 }
2812
2813 - (BOOL) halfConfigured {
2814     return iterator_->CurrentState == pkgCache::State::HalfConfigured;
2815 }
2816
2817 - (BOOL) halfInstalled {
2818     return iterator_->CurrentState == pkgCache::State::HalfInstalled;
2819 }
2820
2821 - (BOOL) hasMode {
2822     pkgDepCache::StateCache &state([database_ cache][iterator_]);
2823     return state.Mode != pkgDepCache::ModeKeep;
2824 }
2825
2826 - (NSString *) mode {
2827     pkgDepCache::StateCache &state([database_ cache][iterator_]);
2828
2829     switch (state.Mode) {
2830         case pkgDepCache::ModeDelete:
2831             if ((state.iFlags & pkgDepCache::Purge) != 0)
2832                 return @"PURGE";
2833             else
2834                 return @"REMOVE";
2835         case pkgDepCache::ModeKeep:
2836             if ((state.iFlags & pkgDepCache::ReInstall) != 0)
2837                 return @"REINSTALL";
2838             /*else if ((state.iFlags & pkgDepCache::AutoKept) != 0)
2839                 return nil;*/
2840             else
2841                 return nil;
2842         case pkgDepCache::ModeInstall:
2843             /*if ((state.iFlags & pkgDepCache::ReInstall) != 0)
2844                 return @"REINSTALL";
2845             else*/ switch (state.Status) {
2846                 case -1:
2847                     return @"DOWNGRADE";
2848                 case 0:
2849                     return @"INSTALL";
2850                 case 1:
2851                     return @"UPGRADE";
2852                 case 2:
2853                     return @"NEW_INSTALL";
2854                 _nodefault
2855             }
2856         _nodefault
2857     }
2858 }
2859
2860 - (NSString *) id {
2861     return id_;
2862 }
2863
2864 - (NSString *) name {
2865     return name_.empty() ? id_ : name_;
2866 }
2867
2868 - (UIImage *) icon {
2869     NSString *section = [self simpleSection];
2870
2871     UIImage *icon(nil);
2872     if (parsed_ != NULL)
2873         if (NSString *href = parsed_->icon_)
2874             if ([href hasPrefix:@"file:///"])
2875                 // XXX: correct escaping
2876                 icon = [UIImage imageAtPath:[href substringFromIndex:7]];
2877     if (icon == nil) if (section != nil)
2878         icon = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, section]];
2879     if (icon == nil) if (Source *source = [self source]) if (NSString *dicon = [source defaultIcon])
2880         if ([dicon hasPrefix:@"file:///"])
2881             // XXX: correct escaping
2882             icon = [UIImage imageAtPath:[dicon substringFromIndex:7]];
2883     if (icon == nil)
2884         icon = [UIImage applicationImageNamed:@"unknown.png"];
2885     return icon;
2886 }
2887
2888 - (NSString *) homepage {
2889     return parsed_ == NULL ? nil : static_cast<NSString *>(parsed_->homepage_);
2890 }
2891
2892 - (NSString *) depiction {
2893     return parsed_ != NULL && !parsed_->depiction_.empty() ? parsed_->depiction_ : [[self source] depictionForPackage:id_];
2894 }
2895
2896 - (Address *) sponsor {
2897     return parsed_ == NULL || parsed_->sponsor_.empty() ? nil : [Address addressWithString:parsed_->sponsor_];
2898 }
2899
2900 - (Address *) author {
2901     return parsed_ == NULL || parsed_->author_.empty() ? nil : [Address addressWithString:parsed_->author_];
2902 }
2903
2904 - (NSString *) support {
2905     return parsed_ != NULL && !parsed_->bugs_.empty() ? parsed_->bugs_ : [[self source] supportForPackage:id_];
2906 }
2907
2908 - (NSArray *) files {
2909     NSString *path = [NSString stringWithFormat:@"/var/lib/dpkg/info/%@.list", static_cast<NSString *>(id_)];
2910     NSMutableArray *files = [NSMutableArray arrayWithCapacity:128];
2911
2912     std::ifstream fin;
2913     fin.open([path UTF8String]);
2914     if (!fin.is_open())
2915         return nil;
2916
2917     std::string line;
2918     while (std::getline(fin, line))
2919         [files addObject:[NSString stringWithUTF8String:line.c_str()]];
2920
2921     return files;
2922 }
2923
2924 - (NSString *) state {
2925 @synchronized (database_) {
2926     if ([database_ era] != era_ || file_.end())
2927         return nil;
2928
2929     switch (iterator_->CurrentState) {
2930         case pkgCache::State::NotInstalled:
2931             return @"NotInstalled";
2932         case pkgCache::State::UnPacked:
2933             return @"UnPacked";
2934         case pkgCache::State::HalfConfigured:
2935             return @"HalfConfigured";
2936         case pkgCache::State::HalfInstalled:
2937             return @"HalfInstalled";
2938         case pkgCache::State::ConfigFiles:
2939             return @"ConfigFiles";
2940         case pkgCache::State::Installed:
2941             return @"Installed";
2942         case pkgCache::State::TriggersAwaited:
2943             return @"TriggersAwaited";
2944         case pkgCache::State::TriggersPending:
2945             return @"TriggersPending";
2946     }
2947
2948     return (NSString *) [NSNull null];
2949 } }
2950
2951 - (NSString *) selection {
2952 @synchronized (database_) {
2953     if ([database_ era] != era_ || file_.end())
2954         return nil;
2955
2956     switch (iterator_->SelectedState) {
2957         case pkgCache::State::Unknown:
2958             return @"Unknown";
2959         case pkgCache::State::Install:
2960             return @"Install";
2961         case pkgCache::State::Hold:
2962             return @"Hold";
2963         case pkgCache::State::DeInstall:
2964             return @"DeInstall";
2965         case pkgCache::State::Purge:
2966             return @"Purge";
2967     }
2968
2969     return (NSString *) [NSNull null];
2970 } }
2971
2972 - (NSArray *) warnings {
2973     NSMutableArray *warnings([NSMutableArray arrayWithCapacity:4]);
2974     const char *name(iterator_.Name());
2975
2976     size_t length(strlen(name));
2977     if (length < 2) invalid:
2978         [warnings addObject:UCLocalize("ILLEGAL_PACKAGE_IDENTIFIER")];
2979     else for (size_t i(0); i != length; ++i)
2980         if (
2981             /* XXX: technically this is not allowed */
2982             (name[i] < 'A' || name[i] > 'Z') &&
2983             (name[i] < 'a' || name[i] > 'z') &&
2984             (name[i] < '0' || name[i] > '9') &&
2985             (i == 0 || name[i] != '+' && name[i] != '-' && name[i] != '.')
2986         ) goto invalid;
2987
2988     if (strcmp(name, "cydia") != 0) {
2989         bool cydia = false;
2990         bool user = false;
2991         bool _private = false;
2992         bool stash = false;
2993
2994         bool repository = [[self section] isEqualToString:@"Repositories"];
2995
2996         if (NSArray *files = [self files])
2997             for (NSString *file in files)
2998                 if (!cydia && [file isEqualToString:@"/Applications/Cydia.app"])
2999                     cydia = true;
3000                 else if (!user && [file isEqualToString:@"/User"])
3001                     user = true;
3002                 else if (!_private && [file isEqualToString:@"/private"])
3003                     _private = true;
3004                 else if (!stash && [file isEqualToString:@"/var/stash"])
3005                     stash = true;
3006
3007         /* XXX: this is not sensitive enough. only some folders are valid. */
3008         if (cydia && !repository)
3009             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"Cydia.app"]];
3010         if (user)
3011             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/User"]];
3012         if (_private)
3013             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/private"]];
3014         if (stash)
3015             [warnings addObject:[NSString stringWithFormat:UCLocalize("FILES_INSTALLED_TO"), @"/var/stash"]];
3016     }
3017
3018     return [warnings count] == 0 ? nil : warnings;
3019 }
3020
3021 - (NSArray *) applications {
3022     NSString *me([[NSBundle mainBundle] bundleIdentifier]);
3023
3024     NSMutableArray *applications([NSMutableArray arrayWithCapacity:2]);
3025
3026     static Pcre application_r("^/Applications/(.*)\\.app/Info.plist$");
3027     if (NSArray *files = [self files])
3028         for (NSString *file in files)
3029             if (application_r(file)) {
3030                 NSDictionary *info([NSDictionary dictionaryWithContentsOfFile:file]);
3031                 NSString *id([info objectForKey:@"CFBundleIdentifier"]);
3032                 if ([id isEqualToString:me])
3033                     continue;
3034
3035                 NSString *display([info objectForKey:@"CFBundleDisplayName"]);
3036                 if (display == nil)
3037                     display = application_r[1];
3038
3039                 NSString *bundle([file stringByDeletingLastPathComponent]);
3040                 NSString *icon([info objectForKey:@"CFBundleIconFile"]);
3041                 if (icon == nil || [icon length] == 0)
3042                     icon = @"icon.png";
3043                 NSURL *url([NSURL fileURLWithPath:[bundle stringByAppendingPathComponent:icon]]);
3044
3045                 NSMutableArray *application([NSMutableArray arrayWithCapacity:2]);
3046                 [applications addObject:application];
3047
3048                 [application addObject:id];
3049                 [application addObject:display];
3050                 [application addObject:url];
3051             }
3052
3053     return [applications count] == 0 ? nil : applications;
3054 }
3055
3056 - (Source *) source {
3057     if (source_ == nil) {
3058         @synchronized (database_) {
3059             if ([database_ era] != era_ || file_.end())
3060                 source_ = (Source *) [NSNull null];
3061             else
3062                 source_ = [([database_ getSource:file_.File()] ?: (Source *) [NSNull null]) retain];
3063         }
3064     }
3065
3066     return source_ == (Source *) [NSNull null] ? nil : source_;
3067 }
3068
3069 - (BOOL) matches:(NSString *)text {
3070     if (text == nil)
3071         return NO;
3072
3073     NSRange range;
3074
3075     range = [[self id] rangeOfString:text options:MatchCompareOptions_];
3076     if (range.location != NSNotFound)
3077         return YES;
3078
3079     range = [[self name] rangeOfString:text options:MatchCompareOptions_];
3080     if (range.location != NSNotFound)
3081         return YES;
3082
3083     [self parse];
3084
3085     range = [[self shortDescription] rangeOfString:text options:MatchCompareOptions_];
3086     if (range.location != NSNotFound)
3087         return YES;
3088
3089     return NO;
3090 }
3091
3092 - (bool) hasSupportingRole {
3093     if (role_ == 0)
3094         return true;
3095     if (role_ == 1)
3096         return true;
3097     if ([Role_ isEqualToString:@"User"])
3098         return false;
3099     if (role_ == 2)
3100         return true;
3101     if ([Role_ isEqualToString:@"Hacker"])
3102         return false;
3103     if (role_ == 3)
3104         return true;
3105     if ([Role_ isEqualToString:@"Developer"])
3106         return false;
3107     _assert(false);
3108 }
3109
3110 - (NSArray *) tags {
3111     return tags_;
3112 }
3113
3114 - (BOOL) hasTag:(NSString *)tag {
3115     return tags_ == nil ? NO : [tags_ containsObject:tag];
3116 }
3117
3118 - (NSString *) primaryPurpose {
3119     for (NSString *tag in tags_)
3120         if ([tag hasPrefix:@"purpose::"])
3121             return [tag substringFromIndex:9];
3122     return nil;
3123 }
3124
3125 - (NSArray *) purposes {
3126     NSMutableArray *purposes([NSMutableArray arrayWithCapacity:2]);
3127     for (NSString *tag in tags_)
3128         if ([tag hasPrefix:@"purpose::"])
3129             [purposes addObject:[tag substringFromIndex:9]];
3130     return [purposes count] == 0 ? nil : purposes;
3131 }
3132
3133 - (bool) isCommercial {
3134     return [self hasTag:@"cydia::commercial"];
3135 }
3136
3137 - (void) setIndex:(size_t)index {
3138     if (metadata_->index_ != index)
3139         metadata_->index_ = index;
3140 }
3141
3142 - (CYString &) cyname {
3143     return name_.empty() ? id_ : name_;
3144 }
3145
3146 - (uint32_t) compareBySection:(NSArray *)sections {
3147     NSString *section([self section]);
3148     for (size_t i(0), e([sections count]); i != e; ++i) {
3149         if ([section isEqualToString:[[sections objectAtIndex:i] name]])
3150             return i;
3151     }
3152
3153     return _not(uint32_t);
3154 }
3155
3156 - (void) clear {
3157 @synchronized (database_) {
3158     pkgProblemResolver *resolver = [database_ resolver];
3159     resolver->Clear(iterator_);
3160
3161     pkgCacheFile &cache([database_ cache]);
3162     cache->SetReInstall(iterator_, false);
3163     cache->MarkKeep(iterator_, false);
3164 } }
3165
3166 - (void) install {
3167 @synchronized (database_) {
3168     pkgProblemResolver *resolver = [database_ resolver];
3169     resolver->Clear(iterator_);
3170     resolver->Protect(iterator_);
3171
3172     pkgCacheFile &cache([database_ cache]);
3173     cache->SetReInstall(iterator_, false);
3174     cache->MarkInstall(iterator_, false);
3175
3176     pkgDepCache::StateCache &state((*cache)[iterator_]);
3177     if (!state.Install())
3178         cache->SetReInstall(iterator_, true);
3179 } }
3180
3181 - (void) remove {
3182 @synchronized (database_) {
3183     pkgProblemResolver *resolver = [database_ resolver];
3184     resolver->Clear(iterator_);
3185     resolver->Remove(iterator_);
3186     resolver->Protect(iterator_);
3187
3188     pkgCacheFile &cache([database_ cache]);
3189     cache->SetReInstall(iterator_, false);
3190     cache->MarkDelete(iterator_, true);
3191 } }
3192
3193 - (bool) isUnfilteredAndSearchedForBy:(NSString *)search {
3194     _profile(Package$isUnfilteredAndSearchedForBy)
3195         bool value(true);
3196
3197         _profile(Package$isUnfilteredAndSearchedForBy$Unfiltered)
3198             value &= [self unfiltered];
3199         _end
3200
3201         _profile(Package$isUnfilteredAndSearchedForBy$Match)
3202             value &= [self matches:search];
3203         _end
3204
3205         return value;
3206     _end
3207 }
3208
3209 - (bool) isUnfilteredAndSelectedForBy:(NSString *)search {
3210     if ([search length] == 0)
3211         return false;
3212
3213     _profile(Package$isUnfilteredAndSelectedForBy)
3214         bool value(true);
3215
3216         _profile(Package$isUnfilteredAndSelectedForBy$Unfiltered)
3217             value &= [self unfiltered];
3218         _end
3219
3220         _profile(Package$isUnfilteredAndSelectedForBy$Match)
3221             value &= [[self name] compare:search options:MatchCompareOptions_ range:NSMakeRange(0, [search length])] == NSOrderedSame;
3222         _end
3223
3224         return value;
3225     _end
3226 }
3227
3228 - (bool) isInstalledAndUnfiltered:(NSNumber *)number {
3229     return ![self uninstalled] && (![number boolValue] && role_ != 7 || [self unfiltered]);
3230 }
3231
3232 - (bool) isVisibleInSection:(NSString *)name {
3233     NSString *section([self section]);
3234
3235     return (
3236         name == nil ||
3237         section == nil && [name length] == 0 ||
3238         [name isEqualToString:section]
3239     ) && [self visible];
3240 }
3241
3242 - (bool) isVisibleInSource:(Source *)source {
3243     return [self source] == source && [self visible];
3244 }
3245
3246 @end
3247 /* }}} */
3248 /* Section Class {{{ */
3249 @interface Section : NSObject {
3250     NSString *name_;
3251     unichar index_;
3252     size_t row_;
3253     size_t count_;
3254     NSString *localized_;
3255 }
3256
3257 - (NSComparisonResult) compareByLocalized:(Section *)section;
3258 - (Section *) initWithName:(NSString *)name localized:(NSString *)localized;
3259 - (Section *) initWithName:(NSString *)name localize:(BOOL)localize;
3260 - (Section *) initWithName:(NSString *)name row:(size_t)row localize:(BOOL)localize;
3261 - (Section *) initWithIndex:(unichar)index row:(size_t)row;
3262 - (NSString *) name;
3263 - (unichar) index;
3264
3265 - (size_t) row;
3266 - (size_t) count;
3267
3268 - (void) addToRow;
3269 - (void) addToCount;
3270
3271 - (void) setCount:(size_t)count;
3272 - (NSString *) localized;
3273
3274 @end
3275
3276 @implementation Section
3277
3278 - (void) dealloc {
3279     [name_ release];
3280     if (localized_ != nil)
3281         [localized_ release];
3282     [super dealloc];
3283 }
3284
3285 - (NSComparisonResult) compareByLocalized:(Section *)section {
3286     NSString *lhs(localized_);
3287     NSString *rhs([section localized]);
3288
3289     /*if ([lhs length] != 0 && [rhs length] != 0) {
3290         unichar lhc = [lhs characterAtIndex:0];
3291         unichar rhc = [rhs characterAtIndex:0];
3292
3293         if (isalpha(lhc) && !isalpha(rhc))
3294             return NSOrderedAscending;
3295         else if (!isalpha(lhc) && isalpha(rhc))
3296             return NSOrderedDescending;
3297     }*/
3298
3299     return [lhs compare:rhs options:LaxCompareOptions_];
3300 }
3301
3302 - (Section *) initWithName:(NSString *)name localized:(NSString *)localized {
3303     if ((self = [self initWithName:name localize:NO]) != nil) {
3304         if (localized != nil)
3305             localized_ = [localized retain];
3306     } return self;
3307 }
3308
3309 - (Section *) initWithName:(NSString *)name localize:(BOOL)localize {
3310     return [self initWithName:name row:0 localize:localize];
3311 }
3312
3313 - (Section *) initWithName:(NSString *)name row:(size_t)row localize:(BOOL)localize {
3314     if ((self = [super init]) != nil) {
3315         name_ = [name retain];
3316         index_ = '\0';
3317         row_ = row;
3318         if (localize)
3319             localized_ = [LocalizeSection(name_) retain];
3320     } return self;
3321 }
3322
3323 /* XXX: localize the index thingees */
3324 - (Section *) initWithIndex:(unichar)index row:(size_t)row {
3325     if ((self = [super init]) != nil) {
3326         name_ = [[NSString stringWithCharacters:&index length:1] retain];
3327         index_ = index;
3328         row_ = row;
3329     } return self;
3330 }
3331
3332 - (NSString *) name {
3333     return name_;
3334 }
3335
3336 - (unichar) index {
3337     return index_;
3338 }
3339
3340 - (size_t) row {
3341     return row_;
3342 }
3343
3344 - (size_t) count {
3345     return count_;
3346 }
3347
3348 - (void) addToRow {
3349     ++row_;
3350 }
3351
3352 - (void) addToCount {
3353     ++count_;
3354 }
3355
3356 - (void) setCount:(size_t)count {
3357     count_ = count;
3358 }
3359
3360 - (NSString *) localized {
3361     return localized_;
3362 }
3363
3364 @end
3365 /* }}} */
3366
3367 static NSString *Colon_;
3368 static NSString *Elision_;
3369 static NSString *Error_;
3370 static NSString *Warning_;
3371
3372 /* Database Implementation {{{ */
3373 @implementation Database
3374
3375 + (Database *) sharedInstance {
3376     static Database *instance;
3377     if (instance == nil)
3378         instance = [[Database alloc] init];
3379     return instance;
3380 }
3381
3382 - (unsigned) era {
3383     return era_;
3384 }
3385
3386 - (void) releasePackages {
3387     CFArrayApplyFunction(packages_, CFRangeMake(0, CFArrayGetCount(packages_)), reinterpret_cast<CFArrayApplierFunction>(&CFRelease), NULL);
3388     CFArrayRemoveAllValues(packages_);
3389 }
3390
3391 - (void) dealloc {
3392     // XXX: actually implement this thing
3393     _assert(false);
3394     [sourceList_ release];
3395     [self releasePackages];
3396     apr_pool_destroy(pool_);
3397     NSRecycleZone(zone_);
3398     [super dealloc];
3399 }
3400
3401 - (void) _readCydia:(NSNumber *)fd { _pooled
3402     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3403     std::istream is(&ib);
3404     std::string line;
3405
3406     static Pcre finish_r("^finish:([^:]*)$");
3407
3408     while (std::getline(is, line)) {
3409         const char *data(line.c_str());
3410         size_t size = line.size();
3411         lprintf("C:%s\n", data);
3412
3413         if (finish_r(data, size)) {
3414             NSString *finish = finish_r[1];
3415             int index = [Finishes_ indexOfObject:finish];
3416             if (index != INT_MAX && index > Finish_)
3417                 Finish_ = index;
3418         }
3419     }
3420
3421     _assume(false);
3422 }
3423
3424 - (void) _readStatus:(NSNumber *)fd { _pooled
3425     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3426     std::istream is(&ib);
3427     std::string line;
3428
3429     static Pcre conffile_r("^status: [^ ]* : conffile-prompt : (.*?) *$");
3430     static Pcre pmstatus_r("^([^:]*):([^:]*):([^:]*):(.*)$");
3431
3432     while (std::getline(is, line)) {
3433         const char *data(line.c_str());
3434         size_t size(line.size());
3435         lprintf("S:%s\n", data);
3436
3437         if (conffile_r(data, size)) {
3438             // status: /fail : conffile-prompt : '/fail' '/fail.dpkg-new' 1 1
3439             [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:conffile_r[1] waitUntilDone:YES];
3440         } else if (strncmp(data, "status: ", 8) == 0) {
3441             // status: <package>: {unpacked,half-configured,installed}
3442             CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:(data + 8)] ofType:@"STATUS"]);
3443             [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3444         } else if (strncmp(data, "processing: ", 12) == 0) {
3445             // processing: configure: config-test
3446             CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:(data + 12)] ofType:@"STATUS"]);
3447             [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3448         } else if (pmstatus_r(data, size)) {
3449             std::string type([pmstatus_r[1] UTF8String]);
3450
3451             NSString *package = pmstatus_r[2];
3452             if ([package isEqualToString:@"dpkg-exec"])
3453                 package = nil;
3454
3455             float percent([pmstatus_r[3] floatValue]);
3456             [progress_ performSelectorOnMainThread:@selector(setProgressPercent:) withObject:[NSNumber numberWithFloat:(percent / 100)] waitUntilDone:YES];
3457
3458             NSString *string = pmstatus_r[4];
3459
3460             if (type == "pmerror") {
3461                 CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:@"ERROR" forPackage:package]);
3462                 [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3463             } else if (type == "pmstatus") {
3464                 CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:string ofType:@"STATUS" forPackage:package]);
3465                 [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3466             } else if (type == "pmconffile")
3467                 [delegate_ performSelectorOnMainThread:@selector(setConfigurationData:) withObject:string waitUntilDone:YES];
3468             else
3469                 lprintf("E:unknown pmstatus\n");
3470         } else
3471             lprintf("E:unknown status\n");
3472     }
3473
3474     _assume(false);
3475 }
3476
3477 - (void) _readOutput:(NSNumber *)fd { _pooled
3478     __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
3479     std::istream is(&ib);
3480     std::string line;
3481
3482     while (std::getline(is, line)) {
3483         lprintf("O:%s\n", line.c_str());
3484
3485         CydiaProgressEvent *event([CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:line.c_str()] ofType:@"INFORMATION"]);
3486         [progress_ performSelectorOnMainThread:@selector(addProgressEvent:) withObject:event waitUntilDone:YES];
3487     }
3488
3489     _assume(false);
3490 }
3491
3492 - (FILE *) input {
3493     return input_;
3494 }
3495
3496 - (Package *) packageWithName:(NSString *)name {
3497 @synchronized (self) {
3498     if (static_cast<pkgDepCache *>(cache_) == NULL)
3499         return nil;
3500     pkgCache::PkgIterator iterator(cache_->FindPkg([name UTF8String]));
3501     return iterator.end() ? nil : [Package packageWithIterator:iterator withZone:NULL inPool:pool_ database:self];
3502 } }
3503
3504 - (id) init {
3505     if ((self = [super init]) != nil) {
3506         policy_ = NULL;
3507         records_ = NULL;
3508         resolver_ = NULL;
3509         fetcher_ = NULL;
3510         lock_ = NULL;
3511
3512         zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
3513         apr_pool_create(&pool_, NULL);
3514
3515         size_t capacity(MetaFile_->active_);
3516         if (capacity == 0)
3517             capacity = 16384;
3518         else
3519             capacity += 1024;
3520
3521         packages_ = CFArrayCreateMutable(kCFAllocatorDefault, capacity, NULL);
3522         sourceList_ = [[NSMutableArray alloc] initWithCapacity:16];
3523
3524         int fds[2];
3525
3526         _assert(pipe(fds) != -1);
3527         cydiafd_ = fds[1];
3528
3529         _config->Set("APT::Keep-Fds::", cydiafd_);
3530         setenv("CYDIA", [[[[NSNumber numberWithInt:cydiafd_] stringValue] stringByAppendingString:@" 1"] UTF8String], _not(int));
3531
3532         [NSThread
3533             detachNewThreadSelector:@selector(_readCydia:)
3534             toTarget:self
3535             withObject:[NSNumber numberWithInt:fds[0]]
3536         ];
3537
3538         _assert(pipe(fds) != -1);
3539         statusfd_ = fds[1];
3540
3541         [NSThread
3542             detachNewThreadSelector:@selector(_readStatus:)
3543             toTarget:self
3544             withObject:[NSNumber numberWithInt:fds[0]]
3545         ];
3546
3547         _assert(pipe(fds) != -1);
3548         _assert(dup2(fds[0], 0) != -1);
3549         _assert(close(fds[0]) != -1);
3550
3551         input_ = fdopen(fds[1], "a");
3552
3553         _assert(pipe(fds) != -1);
3554         _assert(dup2(fds[1], 1) != -1);
3555         _assert(close(fds[1]) != -1);
3556
3557         [NSThread
3558             detachNewThreadSelector:@selector(_readOutput:)
3559             toTarget:self
3560             withObject:[NSNumber numberWithInt:fds[0]]
3561         ];
3562     } return self;
3563 }
3564
3565 - (pkgCacheFile &) cache {
3566     return cache_;
3567 }
3568
3569 - (pkgDepCache::Policy *) policy {
3570     return policy_;
3571 }
3572
3573 - (pkgRecords *) records {
3574     return records_;
3575 }
3576
3577 - (pkgProblemResolver *) resolver {
3578     return resolver_;
3579 }
3580
3581 - (pkgAcquire &) fetcher {
3582     return *fetcher_;
3583 }
3584
3585 - (pkgSourceList &) list {
3586     return *list_;
3587 }
3588
3589 - (NSArray *) packages {
3590     return (NSArray *) packages_;
3591 }
3592
3593 - (NSArray *) sources {
3594     return sourceList_;
3595 }
3596
3597 - (Source *) sourceWithKey:(NSString *)key {
3598     for (Source *source in [self sources]) {
3599         if ([[source key] isEqualToString:key])
3600             return source;
3601     } return nil;
3602 }
3603
3604 - (bool) popErrorWithTitle:(NSString *)title {
3605     bool fatal(false);
3606
3607     while (!_error->empty()) {
3608         std::string error;
3609         bool warning(!_error->PopMessage(error));
3610         if (!warning)
3611             fatal = true;
3612
3613         for (;;) {
3614             size_t size(error.size());
3615             if (size == 0 || error[size - 1] != '\n')
3616                 break;
3617             error.resize(size - 1);
3618         }
3619
3620         lprintf("%c:[%s]\n", warning ? 'W' : 'E', error.c_str());
3621
3622         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? @"WARNING" : @"ERROR")] forTask:title];
3623     }
3624
3625     return fatal;
3626 }
3627
3628 - (bool) popErrorWithTitle:(NSString *)title forOperation:(bool)success {
3629     return [self popErrorWithTitle:title] || !success;
3630 }
3631
3632 - (void) reloadDataWithInvocation:(NSInvocation *)invocation { CYPoolStart() {
3633 @synchronized (self) {
3634     ++era_;
3635
3636     [self releasePackages];
3637
3638     sourceMap_.clear();
3639     [sourceList_ removeAllObjects];
3640
3641     _error->Discard();
3642
3643     delete list_;
3644     list_ = NULL;
3645     manager_ = NULL;
3646     delete lock_;
3647     lock_ = NULL;
3648     delete fetcher_;
3649     fetcher_ = NULL;
3650     delete resolver_;
3651     resolver_ = NULL;
3652     delete records_;
3653     records_ = NULL;
3654     delete policy_;
3655     policy_ = NULL;
3656
3657     cache_.Close();
3658
3659     apr_pool_clear(pool_);
3660
3661     NSRecycleZone(zone_);
3662     zone_ = NSCreateZone(1024 * 1024, 256 * 1024, NO);
3663
3664     int chk(creat("/tmp/cydia.chk", 0644));
3665     if (chk != -1)
3666         close(chk);
3667
3668     if (invocation != nil)
3669         [invocation invoke];
3670
3671     NSString *title(UCLocalize("DATABASE"));
3672
3673     _trace();
3674     OpProgress progress;
3675     while (!cache_.Open(progress, true)) { pop:
3676         std::string error;
3677         bool warning(!_error->PopMessage(error));
3678         lprintf("cache_.Open():[%s]\n", error.c_str());
3679
3680         if (error == "dpkg was interrupted, you must manually run 'dpkg --configure -a' to correct the problem. ")
3681             [delegate_ repairWithSelector:@selector(configure)];
3682         else if (error == "The package lists or status file could not be parsed or opened.")
3683             [delegate_ repairWithSelector:@selector(update)];
3684         // else if (error == "Could not get lock /var/lib/dpkg/lock - open (35 Resource temporarily unavailable)")
3685         // else if (error == "Could not open lock file /var/lib/dpkg/lock - open (13 Permission denied)")
3686         // else if (error == "Malformed Status line")
3687         // else if (error == "The list of sources could not be read.")
3688         else {
3689             [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:[NSString stringWithUTF8String:error.c_str()] ofType:(warning ? @"WARNING" : @"ERROR")] forTask:title];
3690             return;
3691         }
3692
3693         if (warning)
3694             goto pop;
3695         _error->Discard();
3696     }
3697     _trace();
3698
3699     unlink("/tmp/cydia.chk");
3700
3701     now_ = [[NSDate date] timeIntervalSince1970];
3702
3703     policy_ = new pkgDepCache::Policy();
3704     records_ = new pkgRecords(cache_);
3705     resolver_ = new pkgProblemResolver(cache_);
3706     fetcher_ = new pkgAcquire(&status_);
3707     lock_ = NULL;
3708
3709     list_ = new pkgSourceList();
3710     if ([self popErrorWithTitle:title forOperation:list_->ReadMainList()])
3711         return;
3712
3713     if (cache_->DelCount() != 0 || cache_->InstCount() != 0) {
3714         [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("COUNTS_NONZERO_EX") ofType:@"ERROR"] forTask:title];
3715         return;
3716     }
3717
3718     if ([self popErrorWithTitle:title forOperation:pkgApplyStatus(cache_)])
3719         return;
3720
3721     if (cache_->BrokenCount() != 0) {
3722         if ([self popErrorWithTitle:title forOperation:pkgFixBroken(cache_)])
3723             return;
3724
3725         if (cache_->BrokenCount() != 0) {
3726             [delegate_ addProgressEventOnMainThread:[CydiaProgressEvent eventWithMessage:UCLocalize("STILL_BROKEN_EX") ofType:@"ERROR"] forTask:title];
3727             return;
3728         }
3729
3730         if ([self popErrorWithTitle:title forOperation:pkgMinimizeUpgrade(cache_)])
3731             return;
3732     }
3733
3734     for (pkgSourceList::const_iterator source = list_->begin(); source != list_->end(); ++source) {
3735         Source *object([[[Source alloc] initWithMetaIndex:*source inPool:pool_] autorelease]);
3736         [sourceList_ addObject:object];
3737
3738         std::vector<pkgIndexFile *> *indices = (*source)->GetIndexFiles();
3739         for (std::vector<pkgIndexFile *>::const_iterator index = indices->begin(); index != indices->end(); ++index)
3740             // XXX: this could be more intelligent
3741             if (dynamic_cast<debPackagesIndex *>(*index) != NULL) {
3742                 pkgCache::PkgFileIterator cached((*index)->FindInCache(cache_));
3743                 if (!cached.end())
3744                     sourceMap_[cached->ID] = object;
3745             }
3746     }
3747
3748     {
3749         /*std::vector<Package *> packages;
3750         packages.reserve(std::max(10000U, [packages_ count] + 1000));
3751         [packages_ release];
3752         packages_ = nil;*/
3753
3754         _trace();
3755
3756         for (pkgCache::PkgIterator iterator = cache_->PkgBegin(); !iterator.end(); ++iterator)
3757             if (Package *package = [Package packageWithIterator:iterator withZone:zone_ inPool:pool_ database:self])
3758                 //packages.push_back(package);
3759                 CFArrayAppendValue(packages_, [package retain]);
3760
3761         _trace();
3762
3763         /*if (packages.empty())
3764             packages_ = [[NSArray alloc] init];
3765         else
3766             packages_ = [[NSArray alloc] initWithObjects:&packages.front() count:packages.size()];
3767         _trace();*/
3768
3769         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(16)];
3770         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(4)];
3771         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackagePrefixRadix) withContext:reinterpret_cast<void *>(0)];
3772
3773         /*_trace();
3774         PrintTimes();
3775         _trace();*/
3776
3777         _trace();
3778
3779         /*if (!packages.empty())
3780             CFQSortArray(&packages.front(), packages.size(), sizeof(packages.front()), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare_), NULL);*/
3781         //std::sort(packages.begin(), packages.end(), PackageNameOrdering());
3782
3783         //CFArraySortValues((CFMutableArrayRef) packages_, CFRangeMake(0, [packages_ count]), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare), NULL);
3784
3785         CFArrayInsertionSortValues(packages_, CFRangeMake(0, CFArrayGetCount(packages_)), reinterpret_cast<CFComparatorFunction>(&PackageNameCompare), NULL);
3786
3787         //[packages_ sortUsingFunction:reinterpret_cast<NSComparisonResult (*)(id, id, void *)>(&PackageNameCompare) context:NULL];
3788
3789         _trace();
3790
3791         size_t count(CFArrayGetCount(packages_));
3792         MetaFile_->active_ = count;
3793
3794         for (size_t index(0); index != count; ++index)
3795             [(Package *) CFArrayGetValueAtIndex(packages_, index) setIndex:index];
3796
3797         _trace();
3798     }
3799 } } CYPoolEnd() _trace(); }
3800
3801 - (void) clear {
3802 @synchronized (self) {
3803     delete resolver_;
3804     resolver_ = new pkgProblemResolver(cache_);
3805
3806     for (pkgCache::PkgIterator iterator(cache_->PkgBegin()); !iterator.end(); ++iterator)
3807         if (!cache_[iterator].Keep())
3808             cache_->MarkKeep(iterator, false);
3809         else if ((cache_[iterator].iFlags & pkgDepCache::ReInstall) != 0)
3810             cache_->SetReInstall(iterator, false);
3811 } }
3812
3813 - (void) configure {
3814     NSString *dpkg = [NSString stringWithFormat:@"dpkg --configure -a --status-fd %u", statusfd_];
3815     _trace();
3816     system([dpkg UTF8String]);
3817     _trace();
3818 }
3819
3820 - (bool) clean {
3821     // XXX: I don't remember this condition
3822     if (lock_ != NULL)
3823         return false;
3824
3825     FileFd Lock;
3826     Lock.Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
3827
3828     NSString *title(UCLocalize("CLEAN_ARCHIVES"));
3829
3830     if ([self popErrorWithTitle:title])
3831         return false;
3832
3833     pkgAcquire fetcher;
3834     fetcher.Clean(_config->FindDir("Dir::Cache::Archives"));
3835
3836     class LogCleaner :
3837         public pkgArchiveCleaner
3838     {
3839       protected:
3840         virtual void Erase(const char *File, std::string Pkg, std::string Ver, struct stat &St) {
3841             unlink(File);
3842         }
3843     } cleaner;
3844
3845     if ([self popErrorWithTitle:title forOperation:cleaner.Go(_config->FindDir("Dir::Cache::Archives") + "partial/", cache_)])
3846         return false;
3847
3848     return true;
3849 }
3850
3851 - (bool) prepare {
3852     fetcher_->Shutdown();
3853
3854     pkgRecords records(cache_);
3855
3856     lock_ = new FileFd();
3857     lock_->Fd(GetLock(_config->FindDir("Dir::Cache::Archives") + "lock"));
3858
3859     NSString *title(UCLocalize("PREPARE_ARCHIVES"));
3860
3861     if ([self popErrorWithTitle:title])
3862         return false;
3863
3864     pkgSourceList list;
3865     if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3866         return false;
3867
3868     manager_ = (_system->CreatePM(cache_));
3869     if ([self popErrorWithTitle:title forOperation:manager_->GetArchives(fetcher_, &list, &records)])
3870         return false;
3871
3872     return true;
3873 }
3874
3875 - (void) perform {
3876     bool substrate(RestartSubstrate_);
3877     RestartSubstrate_ = false;
3878
3879     NSString *title(UCLocalize("PERFORM_SELECTIONS"));
3880
3881     NSMutableArray *before = [NSMutableArray arrayWithCapacity:16]; {
3882         pkgSourceList list;
3883         if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3884             return;
3885         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
3886             [before addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
3887     }
3888
3889     [delegate_ performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3890
3891     if (fetcher_->Run(PulseInterval_) != pkgAcquire::Continue) {
3892         _trace();
3893         [self popErrorWithTitle:title];
3894         return;
3895     }
3896
3897     bool failed = false;
3898     for (pkgAcquire::ItemIterator item = fetcher_->ItemsBegin(); item != fetcher_->ItemsEnd(); item++) {
3899         if ((*item)->Status == pkgAcquire::Item::StatDone && (*item)->Complete)
3900             continue;
3901         if ((*item)->Status == pkgAcquire::Item::StatIdle)
3902             continue;
3903
3904         failed = true;
3905     }
3906
3907     [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3908
3909     if (failed) {
3910         _trace();
3911         return;
3912     }
3913
3914     if (substrate)
3915         RestartSubstrate_ = true;
3916
3917     _system->UnLock();
3918     pkgPackageManager::OrderResult result = manager_->DoInstall(statusfd_);
3919
3920     if (_error->PendingError()) {
3921         _trace();
3922         return;
3923     }
3924
3925     if (result == pkgPackageManager::Failed) {
3926         _trace();
3927         return;
3928     }
3929
3930     if (result != pkgPackageManager::Completed) {
3931         _trace();
3932         return;
3933     }
3934
3935     NSMutableArray *after = [NSMutableArray arrayWithCapacity:16]; {
3936         pkgSourceList list;
3937         if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3938             return;
3939         for (pkgSourceList::const_iterator source = list.begin(); source != list.end(); ++source)
3940             [after addObject:[NSString stringWithUTF8String:(*source)->GetURI().c_str()]];
3941     }
3942
3943     if (![before isEqualToArray:after])
3944         [self update];
3945 }
3946
3947 - (bool) upgrade {
3948     NSString *title(UCLocalize("UPGRADE"));
3949     if ([self popErrorWithTitle:title forOperation:pkgDistUpgrade(cache_)])
3950         return false;
3951     return true;
3952 }
3953
3954 - (void) update {
3955     [self updateWithStatus:status_];
3956 }
3957
3958 - (void) updateWithStatus:(Status &)status {
3959     NSString *title(UCLocalize("REFRESHING_DATA"));
3960
3961     pkgSourceList list;
3962     if ([self popErrorWithTitle:title forOperation:list.ReadMainList()])
3963         return;
3964
3965     FileFd lock;
3966     lock.Fd(GetLock(_config->FindDir("Dir::State::Lists") + "lock"));
3967     if ([self popErrorWithTitle:title])
3968         return;
3969
3970     [delegate_ performSelectorOnMainThread:@selector(retainNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3971
3972     bool success(ListUpdate(status, list, PulseInterval_));
3973     if (status.WasCancelled())
3974         _error->Discard();
3975     else
3976         [self popErrorWithTitle:title forOperation:success];
3977
3978     [delegate_ performSelectorOnMainThread:@selector(releaseNetworkActivityIndicator) withObject:nil waitUntilDone:YES];
3979
3980     [Metadata_ setObject:[NSDate date] forKey:@"LastUpdate"];
3981     Changed_ = true;
3982 }
3983
3984 - (void) setDelegate:(NSObject<DatabaseDelegate> *)delegate {
3985     delegate_ = delegate;
3986 }
3987
3988 - (void) setProgressDelegate:(NSObject<ProgressDelegate> *)delegate {
3989     progress_ = delegate;
3990     status_.setDelegate(delegate);
3991 }
3992
3993 - (NSObject<ProgressDelegate> *) progressDelegate {
3994     return progress_;
3995 }
3996
3997 - (Source *) getSource:(pkgCache::PkgFileIterator)file {
3998     SourceMap::const_iterator i(sourceMap_.find(file->ID));
3999     return i == sourceMap_.end() ? nil : i->second;
4000 }
4001
4002 - (NSString *) mappedSectionForPointer:(const char *)section {
4003     _H<NSString> *mapped;
4004
4005     _profile(Database$mappedSectionForPointer$Cache)
4006         mapped = &sections_[section];
4007     _end
4008
4009     if (*mapped == NULL) {
4010         size_t length(strlen(section));
4011         char spaced[length + 1];
4012
4013         _profile(Database$mappedSectionForPointer$Replace)
4014             for (size_t index(0); index != length; ++index)
4015                 spaced[index] = section[index] == '_' ? ' ' : section[index];
4016             spaced[length] = '\0';
4017         _end
4018
4019         NSString *string;
4020
4021         _profile(Database$mappedSectionForPointer$stringWithUTF8String)
4022             string = [NSString stringWithUTF8String:spaced];
4023         _end
4024
4025         _profile(Database$mappedSectionForPointer$Map)
4026             string = [SectionMap_ objectForKey:string] ?: string;
4027         _end
4028
4029         *mapped = string;
4030     } return *mapped;
4031 }
4032
4033 @end
4034 /* }}} */
4035
4036 /* Web Scripting {{{ */
4037 @interface CydiaObject : NSObject {
4038     id indirect_;
4039     _transient id delegate_;
4040 }
4041
4042 - (id) initWithDelegate:(IndirectDelegate *)indirect;
4043
4044 @end
4045
4046 @implementation CydiaObject
4047
4048 - (void) dealloc {
4049     [indirect_ release];
4050     [super dealloc];
4051 }
4052
4053 - (id) initWithDelegate:(IndirectDelegate *)indirect {
4054     if ((self = [super init]) != nil) {
4055         indirect_ = [indirect retain];
4056     } return self;
4057 }
4058
4059 - (void) setDelegate:(id)delegate {
4060     delegate_ = delegate;
4061 }
4062
4063 + (NSArray *) _attributeKeys {
4064     return [NSArray arrayWithObjects:
4065         @"device",
4066         @"ecid",
4067         @"firmware",
4068         @"hostname",
4069         @"idiom",
4070         @"model",
4071         @"plmn",
4072         @"role",
4073         @"serial",
4074         @"token",
4075         @"version",
4076     nil];
4077 }
4078
4079 - (NSArray *) attributeKeys {
4080     return [[self class] _attributeKeys];
4081 }
4082
4083 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
4084     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
4085 }
4086
4087 - (NSString *) version {
4088     return @ Cydia_;
4089 }
4090
4091 - (NSString *) device {
4092     return [[UIDevice currentDevice] uniqueIdentifier];
4093 }
4094
4095 - (NSString *) firmware {
4096     return [[UIDevice currentDevice] systemVersion];
4097 }
4098
4099 - (NSString *) hostname {
4100     return [[UIDevice currentDevice] name];
4101 }
4102
4103 - (NSString *) idiom {
4104     return (id) Idiom_ ?: [NSNull null];
4105 }
4106
4107 - (NSString *) plmn {
4108     return (id) PLMN_ ?: [NSNull null];
4109 }
4110
4111 - (NSString *) ecid {
4112     return (id) ChipID_ ?: [NSNull null];
4113 }
4114
4115 - (NSString *) serial {
4116     return SerialNumber_;
4117 }
4118
4119 - (NSString *) role {
4120     return (id) Role_ ?: [NSNull null];
4121 }
4122
4123 - (NSString *) model {
4124     return [NSString stringWithUTF8String:Machine_];
4125 }
4126
4127 - (NSString *) token {
4128     return (id) Token_ ?: [NSNull null];
4129 }
4130
4131 + (NSString *) webScriptNameForSelector:(SEL)selector {
4132     if (false);
4133     else if (selector == @selector(addCydiaHost:))
4134         return @"addCydiaHost";
4135     else if (selector == @selector(addTrivialSource:))
4136         return @"addTrivialSource";
4137     else if (selector == @selector(close))
4138         return @"close";
4139     else if (selector == @selector(du:))
4140         return @"du";
4141     else if (selector == @selector(stringWithFormat:arguments:))
4142         return @"format";
4143     else if (selector == @selector(getAllSources))
4144         return @"getAllSourcs";
4145     else if (selector == @selector(getKernelNumber:))
4146         return @"getKernelNumber";
4147     else if (selector == @selector(getKernelString:))
4148         return @"getKernelString";
4149     else if (selector == @selector(getInstalledPackages))
4150         return @"getInstalledPackages";
4151     else if (selector == @selector(getPackageById:))
4152         return @"getPackageById";
4153     else if (selector == @selector(installPackages:))
4154         return @"installPackages";
4155     else if (selector == @selector(localizedStringForKey:value:table:))
4156         return @"localize";
4157     else if (selector == @selector(refreshSources))
4158         return @"refreshSources";
4159     else if (selector == @selector(removeButton))
4160         return @"removeButton";
4161     else if (selector == @selector(substitutePackageNames:))
4162         return @"substitutePackageNames";
4163     else if (selector == @selector(scrollToBottom:))
4164         return @"scrollToBottom";
4165     else if (selector == @selector(setAllowsNavigationAction:))
4166         return @"setAllowsNavigationAction";
4167     else if (selector == @selector(setButtonImage:withStyle:toFunction:))
4168         return @"setButtonImage";
4169     else if (selector == @selector(setButtonTitle:withStyle:toFunction:))
4170         return @"setButtonTitle";
4171     else if (selector == @selector(setHidesBackButton:))
4172         return @"setHidesBackButton";
4173     else if (selector == @selector(setHidesNavigationBar:))
4174         return @"setHidesNavigationBar";
4175     else if (selector == @selector(setNavigationBarStyle:))
4176         return @"setNavigationBarStyle";
4177     else if (selector == @selector(setNavigationBarTintRed:green:blue:alpha:))
4178         return @"setNavigationBarTintColor";
4179     else if (selector == @selector(setPopupHook:))
4180         return @"setPopupHook";
4181     else if (selector == @selector(setToken:))
4182         return @"setToken";
4183     else if (selector == @selector(setViewportWidth:))
4184         return @"setViewportWidth";
4185     else if (selector == @selector(statfs:))
4186         return @"statfs";
4187     else if (selector == @selector(supports:))
4188         return @"supports";
4189     else
4190         return nil;
4191 }
4192
4193 + (BOOL) isSelectorExcludedFromWebScript:(SEL)selector {
4194     return [self webScriptNameForSelector:selector] == nil;
4195 }
4196
4197 - (BOOL) supports:(NSString *)feature {
4198     return [feature isEqualToString:@"window.open"];
4199 }
4200
4201 - (NSNumber *) getKernelNumber:(NSString *)name {
4202     const char *string([name UTF8String]);
4203
4204     size_t size;
4205     if (sysctlbyname(string, NULL, &size, NULL, 0) == -1)
4206         return (id) [NSNull null];
4207
4208     if (size != sizeof(int))
4209         return (id) [NSNull null];
4210
4211     int value;
4212     if (sysctlbyname(string, &value, &size, NULL, 0) == -1)
4213         return (id) [NSNull null];
4214
4215     return [NSNumber numberWithInt:value];
4216 }
4217
4218 - (NSString *) getKernelString:(NSString *)name {
4219     const char *string([name UTF8String]);
4220
4221     size_t size;
4222     if (sysctlbyname(string, NULL, &size, NULL, 0) == -1)
4223         return (id) [NSNull null];
4224
4225     char value[size + 1];
4226     if (sysctlbyname(string, value, &size, NULL, 0) == -1)
4227         return (id) [NSNull null];
4228
4229     // XXX: just in case you request something ludicrous
4230     value[size] = '\0';
4231
4232     return [NSString stringWithCString:value];
4233 }
4234
4235 - (void) addCydiaHost:(NSString *)host {
4236     [delegate_ performSelectorOnMainThread:@selector(addCydiaHost:) withObject:host waitUntilDone:NO];
4237 }
4238
4239 - (void) addTrivialSource:(NSString *)href {
4240     [delegate_ performSelectorOnMainThread:@selector(addTrivialSource:) withObject:href waitUntilDone:NO];
4241 }
4242
4243 - (void) refreshSources {
4244     [delegate_ performSelectorOnMainThread:@selector(syncData) withObject:nil waitUntilDone:NO];
4245 }
4246
4247 - (NSArray *) getAllSources {
4248     return [[Database sharedInstance] sources];
4249 }
4250
4251 - (NSArray *) getInstalledPackages {
4252     Database *database([Database sharedInstance]);
4253 @synchronized (database) {
4254     NSArray *packages([database packages]);
4255     NSMutableArray *installed([NSMutableArray arrayWithCapacity:1024]);
4256     for (Package *package in packages)
4257         if (![package uninstalled])
4258             [installed addObject:package];
4259     return installed;
4260 } }
4261
4262 - (Package *) getPackageById:(NSString *)id {
4263     if (Package *package = [[Database sharedInstance] packageWithName:id]) {
4264         [package parse];
4265         return package;
4266     } else
4267         return (Package *) [NSNull null];
4268 }
4269
4270 - (NSArray *) statfs:(NSString *)path {
4271     struct statfs stat;
4272
4273     if (path == nil || statfs([path UTF8String], &stat) == -1)
4274         return nil;
4275
4276     return [NSArray arrayWithObjects:
4277         [NSNumber numberWithUnsignedLong:stat.f_bsize],
4278         [NSNumber numberWithUnsignedLong:stat.f_blocks],
4279         [NSNumber numberWithUnsignedLong:stat.f_bfree],
4280     nil];
4281 }
4282
4283 - (NSNumber *) du:(NSString *)path {
4284     NSNumber *value(nil);
4285
4286     int fds[2];
4287     _assert(pipe(fds) != -1);
4288
4289     pid_t pid(ExecFork());
4290     if (pid == 0) {
4291         _assert(dup2(fds[1], 1) != -1);
4292         _assert(close(fds[0]) != -1);
4293         _assert(close(fds[1]) != -1);
4294         /* XXX: this should probably not use du */
4295         execl("/usr/libexec/cydia/du", "du", "-s", [path UTF8String], NULL);
4296         exit(1);
4297         _assert(false);
4298     }
4299
4300     _assert(close(fds[1]) != -1);
4301
4302     if (FILE *du = fdopen(fds[0], "r")) {
4303         char line[1024];
4304         while (fgets(line, sizeof(line), du) != NULL) {
4305             size_t length(strlen(line));
4306             while (length != 0 && line[length - 1] == '\n')
4307                 line[--length] = '\0';
4308             if (char *tab = strchr(line, '\t')) {
4309                 *tab = '\0';
4310                 value = [NSNumber numberWithUnsignedLong:strtoul(line, NULL, 0)];
4311             }
4312         }
4313
4314         fclose(du);
4315     } else _assert(close(fds[0]));
4316
4317     int status;
4318   wait:
4319     if (waitpid(pid, &status, 0) == -1)
4320         if (errno == EINTR)
4321             goto wait;
4322         else _assert(false);
4323
4324     return value;
4325 }
4326
4327 - (void) close {
4328     [indirect_ performSelectorOnMainThread:@selector(close) withObject:nil waitUntilDone:NO];
4329 }
4330
4331 - (void) installPackages:(NSArray *)packages {
4332     [delegate_ performSelectorOnMainThread:@selector(installPackages:) withObject:packages waitUntilDone:NO];
4333 }
4334
4335 - (NSString *) substitutePackageNames:(NSString *)message {
4336     NSMutableArray *words([[message componentsSeparatedByString:@" "] mutableCopy]);
4337     for (size_t i(0), e([words count]); i != e; ++i) {
4338         NSString *word([words objectAtIndex:i]);
4339         if (Package *package = [[Database sharedInstance] packageWithName:word])
4340             [words replaceObjectAtIndex:i withObject:[package name]];
4341     }
4342
4343     return [words componentsJoinedByString:@" "];
4344 }
4345
4346 - (void) removeButton {
4347     [indirect_ removeButton];
4348 }
4349
4350 - (void) setButtonImage:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
4351     [indirect_ setButtonImage:button withStyle:style toFunction:function];
4352 }
4353
4354 - (void) setButtonTitle:(NSString *)button withStyle:(NSString *)style toFunction:(id)function {
4355     [indirect_ setButtonTitle:button withStyle:style toFunction:function];
4356 }
4357
4358 - (void) setAllowsNavigationAction:(NSString *)value {
4359     [indirect_ performSelectorOnMainThread:@selector(setAllowsNavigationActionByNumber:) withObject:value waitUntilDone:NO];
4360 }
4361
4362 - (void) setHidesBackButton:(NSString *)value {
4363     [indirect_ performSelectorOnMainThread:@selector(setHidesBackButtonByNumber:) withObject:value waitUntilDone:NO];
4364 }
4365
4366 - (void) setHidesNavigationBar:(NSString *)value {
4367     [indirect_ performSelectorOnMainThread:@selector(setHidesNavigationBarByNumber:) withObject:value waitUntilDone:NO];
4368 }
4369
4370 - (void) setNavigationBarStyle:(NSString *)value {
4371     [indirect_ performSelectorOnMainThread:@selector(setNavigationBarStyle:) withObject:value waitUntilDone:NO];
4372 }
4373
4374 - (void) setNavigationBarTintRed:(NSNumber *)red green:(NSNumber *)green blue:(NSNumber *)blue alpha:(NSNumber *)alpha {
4375     float opacity(alpha == (id) [WebUndefined undefined] ? 1 : [alpha floatValue]);
4376     UIColor *color([UIColor colorWithRed:[red floatValue] green:[green floatValue] blue:[blue floatValue] alpha:opacity]);
4377     [indirect_ performSelectorOnMainThread:@selector(setNavigationBarTintColor:) withObject:color waitUntilDone:NO];
4378 }
4379
4380 - (void) _setToken:(NSString *)token {
4381     Token_ = token;
4382
4383     if (token == nil)
4384         [Metadata_ removeObjectForKey:@"Token"];
4385     else
4386         [Metadata_ setObject:Token_ forKey:@"Token"];
4387
4388     Changed_ = true;
4389 }
4390
4391 - (void) setToken:(NSString *)token {
4392     [self performSelectorOnMainThread:@selector(_setToken:) withObject:token waitUntilDone:NO];
4393 }
4394
4395 - (void) setPopupHook:(id)function {
4396     [indirect_ setPopupHook:function];
4397 }
4398
4399 - (void) scrollToBottom:(NSNumber *)animated {
4400     [indirect_ performSelectorOnMainThread:@selector(scrollToBottomAnimated:) withObject:animated waitUntilDone:NO];
4401 }
4402
4403 - (void) setViewportWidth:(float)width {
4404     [indirect_ setViewportWidthOnMainThread:width];
4405 }
4406
4407 - (NSString *) stringWithFormat:(NSString *)format arguments:(WebScriptObject *)arguments {
4408     //NSLog(@"SWF:\"%@\" A:%@", format, [arguments description]);
4409     unsigned count([arguments count]);
4410     id values[count];
4411     for (unsigned i(0); i != count; ++i)
4412         values[i] = [arguments objectAtIndex:i];
4413     return [[[NSString alloc] initWithFormat:format arguments:reinterpret_cast<va_list>(values)] autorelease];
4414 }
4415
4416 - (NSString *) localizedStringForKey:(NSString *)key value:(NSString *)value table:(NSString *)table {
4417     if (reinterpret_cast<id>(value) == [WebUndefined undefined])
4418         value = nil;
4419     if (reinterpret_cast<id>(table) == [WebUndefined undefined])
4420         table = nil;
4421     return [[NSBundle mainBundle] localizedStringForKey:key value:value table:table];
4422 }
4423
4424 @end
4425 /* }}} */
4426
4427 /* @ Loading... Indicator {{{ */
4428 @interface CYLoadingIndicator : UIView {
4429     _H<UIActivityIndicatorView> spinner_;
4430     _H<UILabel> label_;
4431     _H<UIView> container_;
4432 }
4433
4434 @property (readonly, nonatomic) UILabel *label;
4435 @property (readonly, nonatomic) UIActivityIndicatorView *activityIndicatorView;
4436
4437 @end
4438
4439 @implementation CYLoadingIndicator
4440
4441 - (id) initWithFrame:(CGRect)frame {
4442     if ((self = [super initWithFrame:frame]) != nil) {
4443         container_ = [[[UIView alloc] init] autorelease];
4444         [container_ setAutoresizingMask:UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleBottomMargin];
4445
4446         spinner_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleGray] autorelease];
4447         [spinner_ startAnimating];
4448         [container_ addSubview:spinner_];
4449
4450         label_ = [[[UILabel alloc] init] autorelease];
4451         [label_ setFont:[UIFont boldSystemFontOfSize:15.0f]];
4452         [label_ setBackgroundColor:[UIColor clearColor]];
4453         [label_ setTextColor:[UIColor blackColor]];
4454         [label_ setShadowColor:[UIColor whiteColor]];
4455         [label_ setShadowOffset:CGSizeMake(0, 1)];
4456         [label_ setText:[NSString stringWithFormat:Elision_, UCLocalize("LOADING"), nil]];
4457         [container_ addSubview:label_];
4458
4459         CGSize viewsize = frame.size;
4460         CGSize spinnersize = [spinner_ bounds].size;
4461         CGSize textsize = [[label_ text] sizeWithFont:[label_ font]];
4462         float bothwidth = spinnersize.width + textsize.width + 5.0f;
4463
4464         CGRect containrect = {
4465             CGPointMake(floorf((viewsize.width / 2) - (bothwidth / 2)), floorf((viewsize.height / 2) - (spinnersize.height / 2))),
4466             CGSizeMake(bothwidth, spinnersize.height)
4467         };
4468         CGRect textrect = {
4469             CGPointMake(spinnersize.width + 5.0f, floorf((spinnersize.height / 2) - (textsize.height / 2))),
4470             textsize
4471         };
4472         CGRect spinrect = {
4473             CGPointZero,
4474             spinnersize
4475         };
4476
4477         [container_ setFrame:containrect];
4478         [spinner_ setFrame:spinrect];
4479         [label_ setFrame:textrect];
4480         [self addSubview:container_];
4481     } return self;
4482 }
4483
4484 - (UILabel *) label {
4485     return label_;
4486 }
4487
4488 - (UIActivityIndicatorView *) activityIndicatorView {
4489     return spinner_;
4490 }
4491
4492 @end
4493 /* }}} */
4494 /* Emulated Loading Controller {{{ */
4495 @interface CYEmulatedLoadingController : CYViewController {
4496     _transient Database *database_;
4497     _H<CYLoadingIndicator> indicator_;
4498     _H<UITabBar> tabbar_;
4499     _H<UINavigationBar> navbar_;
4500 }
4501
4502 @end
4503
4504 @implementation CYEmulatedLoadingController
4505
4506 - (id) initWithDatabase:(Database *)database {
4507     if ((self = [super init]) != nil) {
4508         database_ = database;
4509     } return self;
4510 }
4511
4512 // XXX: factor this out somewhere
4513 - (UIColor *) groupTableViewBackgroundColor {
4514     UIDevice *device([UIDevice currentDevice]);
4515     bool iPad([device respondsToSelector:@selector(userInterfaceIdiom)] && [device userInterfaceIdiom] == UIUserInterfaceIdiomPad);
4516     return iPad ? [UIColor colorWithRed:0.821 green:0.834 blue:0.860 alpha:1] : [UIColor groupTableViewBackgroundColor];
4517 }
4518
4519 - (void) loadView {
4520     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
4521     [[self view] setBackgroundColor:[self groupTableViewBackgroundColor]];
4522
4523     indicator_ = [[[CYLoadingIndicator alloc] initWithFrame:[[self view] bounds]] autorelease];
4524     [indicator_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
4525     [[self view] addSubview:indicator_];
4526
4527     tabbar_ = [[[UITabBar alloc] initWithFrame:CGRectMake(0, 0, 0, 49.0f)] autorelease];
4528     [tabbar_ setFrame:CGRectMake(0.0f, [[self view] bounds].size.height - [tabbar_ bounds].size.height, [[self view] bounds].size.width, [tabbar_ bounds].size.height)];
4529     [tabbar_ setAutoresizingMask:UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleWidth];
4530     [[self view] addSubview:tabbar_];
4531
4532     navbar_ = [[[UINavigationBar alloc] initWithFrame:CGRectMake(0, 0, 0, 44.0f)] autorelease];
4533     [navbar_ setFrame:CGRectMake(0.0f, 0.0f, [[self view] bounds].size.width, [navbar_ bounds].size.height)];
4534     [navbar_ setAutoresizingMask:UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleWidth];
4535     [[self view] addSubview:navbar_];
4536 }
4537
4538 - (void) releaseSubviews {
4539     indicator_ = nil;
4540     tabbar_ = nil;
4541     navbar_ = nil;
4542 }
4543
4544 @end
4545 /* }}} */
4546
4547 /* Cydia Browser Controller {{{ */
4548 @interface CYBrowserController : BrowserController {
4549     CydiaObject *cydia_;
4550 }
4551
4552 @end
4553
4554 @implementation CYBrowserController
4555
4556 - (void) dealloc {
4557     [cydia_ release];
4558     [super dealloc];
4559 }
4560
4561 - (NSURL *) navigationURL {
4562     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://url/%@", [[[webview_ request] URL] absoluteString]]];
4563 }
4564
4565 - (void) setHeaders:(NSDictionary *)headers forHost:(NSString *)host {
4566 }
4567
4568 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4569     [super webView:view didClearWindowObject:window forFrame:frame];
4570
4571     WebDataSource *source([frame dataSource]);
4572     NSURLResponse *response([source response]);
4573
4574     NSURL *url([response URL]);
4575
4576     NSString *scheme([[url scheme] lowercaseString]);
4577     NSString *host([url host]);
4578
4579     if ([response isKindOfClass:[NSHTTPURLResponse class]]) {
4580         NSHTTPURLResponse *http((NSHTTPURLResponse *) response);
4581         NSDictionary *headers([http allHeaderFields]);
4582         [self setHeaders:headers forHost:host];
4583     }
4584
4585     if ([scheme isEqualToString:@"https"])
4586         if ([CydiaHosts_ containsObject:host])
4587             [window setValue:cydia_ forKey:@"cydia"];
4588 }
4589
4590 - (NSURLRequest *) webView:(WebView *)view resource:(id)resource willSendRequest:(NSURLRequest *)request redirectResponse:(NSURLResponse *)response fromDataSource:(WebDataSource *)source {
4591     NSMutableURLRequest *copy([[super webView:view resource:resource willSendRequest:request redirectResponse:response fromDataSource:source] mutableCopy]);
4592
4593     if (System_ != NULL)
4594         [copy setValue:System_ forHTTPHeaderField:@"X-System"];
4595     if (Machine_ != NULL)
4596         [copy setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
4597     if (Token_ != nil)
4598         [copy setValue:Token_ forHTTPHeaderField:@"X-Cydia-Token"];
4599     if (Role_ != nil)
4600         [copy setValue:Role_ forHTTPHeaderField:@"X-Role"];
4601
4602     return copy;
4603 }
4604
4605 - (void) setDelegate:(id)delegate {
4606     [super setDelegate:delegate];
4607     [cydia_ setDelegate:delegate];
4608 }
4609
4610 - (id) init {
4611     if ((self = [super initWithWidth:0 ofClass:[CYBrowserController class]]) != nil) {
4612         cydia_ = [[CydiaObject alloc] initWithDelegate:indirect_];
4613
4614         WebView *webview([[webview_ _documentView] webView]);
4615
4616         NSString *application([NSString stringWithFormat:@"Cydia/%@", @ Cydia_]);
4617
4618         if (Safari_ != nil)
4619             application = [NSString stringWithFormat:@"Safari/%@ %@", Safari_, application];
4620         if (Build_ != nil)
4621             application = [NSString stringWithFormat:@"Mobile/%@ %@", Build_, application];
4622         if (Product_ != nil)
4623             application = [NSString stringWithFormat:@"Version/%@ %@", Product_, application];
4624
4625         [webview setApplicationNameForUserAgent:application];
4626     } return self;
4627 }
4628
4629 @end
4630 /* }}} */
4631
4632 // CydiaScript {{{
4633 @interface NSObject (CydiaScript)
4634 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context;
4635 @end
4636
4637 @implementation NSObject (CydiaScript)
4638
4639 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4640     return self;
4641 }
4642
4643 @end
4644
4645 @implementation NSArray (CydiaScript)
4646
4647 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4648     WebScriptObject *object([context evaluateWebScript:@"[]"]);
4649     for (size_t i(0), e([self count]); i != e; ++i)
4650         [object setWebScriptValueAtIndex:i value:[[self objectAtIndex:i] Cydia$webScriptObjectInContext:context]];
4651     return object;
4652 }
4653
4654 @end
4655
4656 @implementation NSDictionary (CydiaScript)
4657
4658 - (id) Cydia$webScriptObjectInContext:(WebScriptObject *)context {
4659     WebScriptObject *object([context evaluateWebScript:@"({})"]);
4660     for (id i in self)
4661         [object setValue:[[self objectForKey:i] Cydia$webScriptObjectInContext:context] forKey:i];
4662     return object;
4663 }
4664
4665 @end
4666 // }}}
4667
4668 /* Confirmation Controller {{{ */
4669 bool DepSubstrate(const pkgCache::VerIterator &iterator) {
4670     if (!iterator.end())
4671         for (pkgCache::DepIterator dep(iterator.DependsList()); !dep.end(); ++dep) {
4672             if (dep->Type != pkgCache::Dep::Depends && dep->Type != pkgCache::Dep::PreDepends)
4673                 continue;
4674             pkgCache::PkgIterator package(dep.TargetPkg());
4675             if (package.end())
4676                 continue;
4677             if (strcmp(package.Name(), "mobilesubstrate") == 0)
4678                 return true;
4679         }
4680
4681     return false;
4682 }
4683
4684 @protocol ConfirmationControllerDelegate
4685 - (void) cancelAndClear:(bool)clear;
4686 - (void) confirmWithNavigationController:(UINavigationController *)navigation;
4687 - (void) queue;
4688 @end
4689
4690 @interface ConfirmationController : CYBrowserController {
4691     _transient Database *database_;
4692
4693     UIAlertView *essential_;
4694
4695     NSDictionary *changes_;
4696     NSMutableArray *issues_;
4697     NSDictionary *sizes_;
4698
4699     BOOL substrate_;
4700 }
4701
4702 - (id) initWithDatabase:(Database *)database;
4703
4704 @end
4705
4706 @implementation ConfirmationController
4707
4708 - (void) dealloc {
4709     [changes_ release];
4710     [issues_ release];
4711     [sizes_ release];
4712
4713     if (essential_ != nil)
4714         [essential_ release];
4715
4716     [super dealloc];
4717 }
4718
4719 - (void) complete {
4720     if (substrate_)
4721         RestartSubstrate_ = true;
4722     [delegate_ confirmWithNavigationController:[self navigationController]];
4723 }
4724
4725 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
4726     NSString *context([alert context]);
4727
4728     if ([context isEqualToString:@"remove"]) {
4729         if (button == [alert cancelButtonIndex])
4730             [self dismissModalViewControllerAnimated:YES];
4731         else if (button == [alert firstOtherButtonIndex]) {
4732             [self complete];
4733         }
4734
4735         [alert dismissWithClickedButtonIndex:-1 animated:YES];
4736     } else if ([context isEqualToString:@"unable"]) {
4737         [self dismissModalViewControllerAnimated:YES];
4738         [alert dismissWithClickedButtonIndex:-1 animated:YES];
4739     } else {
4740         [super alertView:alert clickedButtonAtIndex:button];
4741     }
4742 }
4743
4744 - (void) _doContinue {
4745     [self dismissModalViewControllerAnimated:YES];
4746     [delegate_ cancelAndClear:NO];
4747 }
4748
4749 - (id) invokeDefaultMethodWithArguments:(NSArray *)args {
4750     [self performSelectorOnMainThread:@selector(_doContinue) withObject:nil waitUntilDone:NO];
4751     return nil;
4752 }
4753
4754 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
4755     [super webView:view didClearWindowObject:window forFrame:frame];
4756
4757     [window setValue:[[NSDictionary dictionaryWithObjectsAndKeys:
4758         changes_, @"changes",
4759         issues_, @"issues",
4760         sizes_, @"sizes",
4761         self, @"queue",
4762     nil] Cydia$webScriptObjectInContext:window] forKey:@"cydiaConfirm"];
4763 }
4764
4765 - (id) initWithDatabase:(Database *)database {
4766     if ((self = [super init]) != nil) {
4767         database_ = database;
4768
4769         NSMutableArray *installs([NSMutableArray arrayWithCapacity:16]);
4770         NSMutableArray *reinstalls([NSMutableArray arrayWithCapacity:16]);
4771         NSMutableArray *upgrades([NSMutableArray arrayWithCapacity:16]);
4772         NSMutableArray *downgrades([NSMutableArray arrayWithCapacity:16]);
4773         NSMutableArray *removes([NSMutableArray arrayWithCapacity:16]);
4774
4775         bool remove(false);
4776
4777         pkgCacheFile &cache([database_ cache]);
4778         NSArray *packages([database_ packages]);
4779         pkgDepCache::Policy *policy([database_ policy]);
4780
4781         issues_ = [[NSMutableArray arrayWithCapacity:4] retain];
4782
4783         for (Package *package in packages) {
4784             pkgCache::PkgIterator iterator([package iterator]);
4785             NSString *name([package id]);
4786
4787             if ([package broken]) {
4788                 NSMutableArray *reasons([NSMutableArray arrayWithCapacity:4]);
4789
4790                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4791                     name, @"package",
4792                     reasons, @"reasons",
4793                 nil]];
4794
4795                 pkgCache::VerIterator ver(cache[iterator].InstVerIter(cache));
4796                 if (ver.end())
4797                     continue;
4798
4799                 for (pkgCache::DepIterator dep(ver.DependsList()); !dep.end(); ) {
4800                     pkgCache::DepIterator start;
4801                     pkgCache::DepIterator end;
4802                     dep.GlobOr(start, end); // ++dep
4803
4804                     if (!cache->IsImportantDep(end))
4805                         continue;
4806                     if ((cache[end] & pkgDepCache::DepGInstall) != 0)
4807                         continue;
4808
4809                     NSMutableArray *clauses([NSMutableArray arrayWithCapacity:4]);
4810
4811                     [reasons addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4812                         [NSString stringWithUTF8String:start.DepType()], @"relationship",
4813                         clauses, @"clauses",
4814                     nil]];
4815
4816                     _forever {
4817                         NSString *reason, *installed((NSString *) [WebUndefined undefined]);
4818
4819                         pkgCache::PkgIterator target(start.TargetPkg());
4820                         if (target->ProvidesList != 0)
4821                             reason = @"missing";
4822                         else {
4823                             pkgCache::VerIterator ver(cache[target].InstVerIter(cache));
4824                             if (!ver.end()) {
4825                                 reason = @"installed";
4826                                 installed = [NSString stringWithUTF8String:ver.VerStr()];
4827                             } else if (!cache[target].CandidateVerIter(cache).end())
4828                                 reason = @"uninstalled";
4829                             else if (target->ProvidesList == 0)
4830                                 reason = @"uninstallable";
4831                             else
4832                                 reason = @"virtual";
4833                         }
4834
4835                         NSDictionary *version(start.TargetVer() == 0 ? [NSNull null] : [NSDictionary dictionaryWithObjectsAndKeys:
4836                             [NSString stringWithUTF8String:start.CompType()], @"operator",
4837                             [NSString stringWithUTF8String:start.TargetVer()], @"value",
4838                         nil]);
4839
4840                         [clauses addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4841                             [NSString stringWithUTF8String:start.TargetPkg().Name()], @"package",
4842                             version, @"version",
4843                             reason, @"reason",
4844                             installed, @"installed",
4845                         nil]];
4846
4847                         // yes, seriously. (wtf?)
4848                         if (start == end)
4849                             break;
4850                         ++start;
4851                     }
4852                 }
4853             }
4854
4855             pkgDepCache::StateCache &state(cache[iterator]);
4856
4857             static Pcre special_r("^(firmware$|gsc\\.|cy\\+)");
4858
4859             if (state.NewInstall())
4860                 [installs addObject:name];
4861             else if (!state.Delete() && (state.iFlags & pkgDepCache::ReInstall) == pkgDepCache::ReInstall)
4862                 [reinstalls addObject:name];
4863             else if (state.Upgrade())
4864                 [upgrades addObject:name];
4865             else if (state.Downgrade())
4866                 [downgrades addObject:name];
4867             else if (!state.Delete())
4868                 continue;
4869             else if (special_r(name))
4870                 [issues_ addObject:[NSDictionary dictionaryWithObjectsAndKeys:
4871                     [NSNull null], @"package",
4872                     [NSArray arrayWithObjects:
4873                         [NSDictionary dictionaryWithObjectsAndKeys:
4874                             @"Conflicts", @"relationship",
4875                             [NSArray arrayWithObjects:
4876                                 [NSDictionary dictionaryWithObjectsAndKeys:
4877                                     name, @"package",
4878                                     [NSNull null], @"version",
4879                                     @"installed", @"reason",
4880                                 nil],
4881                             nil], @"clauses",
4882                         nil],
4883                     nil], @"reasons",
4884                 nil]];
4885             else {
4886                 if ([package essential])
4887                     remove = true;
4888                 [removes addObject:name];
4889             }
4890
4891             substrate_ |= DepSubstrate(policy->GetCandidateVer(iterator));
4892             substrate_ |= DepSubstrate(iterator.CurrentVer());
4893         }
4894
4895         if (!remove)
4896             essential_ = nil;
4897         else if (Advanced_) {
4898             NSString *parenthetical(UCLocalize("PARENTHETICAL"));
4899
4900             essential_ = [[UIAlertView alloc]
4901                 initWithTitle:UCLocalize("REMOVING_ESSENTIALS")
4902                 message:UCLocalize("REMOVING_ESSENTIALS_EX")
4903                 delegate:self
4904                 cancelButtonTitle:[NSString stringWithFormat:parenthetical, UCLocalize("CANCEL_OPERATION"), UCLocalize("SAFE")]
4905                 otherButtonTitles:
4906                     [NSString stringWithFormat:parenthetical, UCLocalize("FORCE_REMOVAL"), UCLocalize("UNSAFE")],
4907                 nil
4908             ];
4909
4910             [essential_ setContext:@"remove"];
4911         } else {
4912             essential_ = [[UIAlertView alloc]
4913                 initWithTitle:UCLocalize("UNABLE_TO_COMPLY")
4914                 message:UCLocalize("UNABLE_TO_COMPLY_EX")
4915                 delegate:self
4916                 cancelButtonTitle:UCLocalize("OKAY")
4917                 otherButtonTitles:nil
4918             ];
4919
4920             [essential_ setContext:@"unable"];
4921         }
4922
4923         changes_ = [[NSDictionary alloc] initWithObjectsAndKeys:
4924             installs, @"installs",
4925             reinstalls, @"reinstalls",
4926             upgrades, @"upgrades",
4927             downgrades, @"downgrades",
4928             removes, @"removes",
4929         nil];
4930
4931         sizes_ = [[NSDictionary alloc] initWithObjectsAndKeys:
4932             [NSNumber numberWithInteger:[database_ fetcher].FetchNeeded()], @"downloading",
4933             [NSNumber numberWithInteger:[database_ fetcher].PartialPresent()], @"resuming",
4934         nil];
4935
4936         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/confirm/", UI_]]];
4937
4938         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
4939             initWithTitle:UCLocalize("CANCEL")
4940             style:UIBarButtonItemStylePlain
4941             target:self
4942             action:@selector(cancelButtonClicked)
4943         ] autorelease]];
4944     } return self;
4945 }
4946
4947 #if !AlwaysReload
4948 - (void) applyRightButton {
4949     if ([issues_ count] == 0 && ![self isLoading])
4950         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
4951             initWithTitle:UCLocalize("CONFIRM")
4952             style:UIBarButtonItemStyleDone
4953             target:self
4954             action:@selector(confirmButtonClicked)
4955         ] autorelease]];
4956     else
4957         [[self navigationItem] setRightBarButtonItem:nil];
4958 }
4959 #endif
4960
4961 - (void) cancelButtonClicked {
4962     [self dismissModalViewControllerAnimated:YES];
4963     [delegate_ cancelAndClear:YES];
4964 }
4965
4966 #if !AlwaysReload
4967 - (void) confirmButtonClicked {
4968     if (essential_ != nil)
4969         [essential_ show];
4970     else
4971         [self complete];
4972 }
4973 #endif
4974
4975 @end
4976 /* }}} */
4977
4978 /* Progress Data {{{ */
4979 @interface CydiaProgressData : NSObject {
4980     _transient id delegate_;
4981
4982     bool running_;
4983     float percent_;
4984
4985     float current_;
4986     float total_;
4987     float speed_;
4988
4989     _H<NSMutableArray> events_;
4990     _H<NSString> title_;
4991
4992     _H<NSString> status_;
4993     _H<NSString> finish_;
4994 }
4995
4996 @end
4997
4998 @implementation CydiaProgressData
4999
5000 + (NSArray *) _attributeKeys {
5001     return [NSArray arrayWithObjects:
5002         @"current",
5003         @"events",
5004         @"finish",
5005         @"percent",
5006         @"running",
5007         @"speed",
5008         @"title",
5009         @"total",
5010     nil];
5011 }
5012
5013 - (NSArray *) attributeKeys {
5014     return [[self class] _attributeKeys];
5015 }
5016
5017 + (BOOL) isKeyExcludedFromWebScript:(const char *)name {
5018     return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
5019 }
5020
5021 - (id) init {
5022     if ((self = [super init]) != nil) {
5023         events_ = [NSMutableArray arrayWithCapacity:32];
5024     } return self;
5025 }
5026
5027 - (void) setDelegate:(id)delegate {
5028     delegate_ = delegate;
5029 }
5030
5031 - (void) setPercent:(float)value {
5032     percent_ = value;
5033 }
5034
5035 - (NSNumber *) percent {
5036     return [NSNumber numberWithFloat:percent_];
5037 }
5038
5039 - (void) setCurrent:(float)value {
5040     current_ = value;
5041 }
5042
5043 - (NSNumber *) current {
5044     return [NSNumber numberWithFloat:current_];
5045 }
5046
5047 - (void) setTotal:(float)value {
5048     total_ = value;
5049 }
5050
5051 - (NSNumber *) total {
5052     return [NSNumber numberWithFloat:total_];
5053 }
5054
5055 - (void) setSpeed:(float)value {
5056     speed_ = value;
5057 }
5058
5059 - (NSNumber *) speed {
5060     return [NSNumber numberWithFloat:speed_];
5061 }
5062
5063 - (NSArray *) events {
5064     return events_;
5065 }
5066
5067 - (void) removeAllEvents {
5068     [events_ removeAllObjects];
5069 }
5070
5071 - (void) addEvent:(CydiaProgressEvent *)event {
5072     [events_ addObject:event];
5073 }
5074
5075 - (void) setTitle:(NSString *)text {
5076     title_ = text;
5077 }
5078
5079 - (NSString *) title {
5080     return title_;
5081 }
5082
5083 - (void) setFinish:(NSString *)text {
5084     finish_ = text;
5085 }
5086
5087 - (NSString *) finish {
5088     return (id) finish_ ?: [NSNull null];
5089 }
5090
5091 - (void) setRunning:(bool)running {
5092     running_ = running;
5093 }
5094
5095 - (NSNumber *) running {
5096     return running_ ? (NSNumber *) kCFBooleanTrue : (NSNumber *) kCFBooleanFalse;
5097 }
5098
5099 @end
5100 /* }}} */
5101 /* Progress Controller {{{ */
5102 @interface ProgressController : CYBrowserController <
5103     ProgressDelegate
5104 > {
5105     _transient Database *database_;
5106     _H<CydiaProgressData> progress_;
5107     unsigned cancel_;
5108 }
5109
5110 - (id) initWithDatabase:(Database *)database delegate:(id)delegate;
5111
5112 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title;
5113
5114 - (void) setTitle:(NSString *)title;
5115 - (void) setCancellable:(bool)cancellable;
5116
5117 @end
5118
5119 @implementation ProgressController
5120
5121 - (void) dealloc {
5122     [database_ setProgressDelegate:nil];
5123     [progress_ setDelegate:nil];
5124     [super dealloc];
5125 }
5126
5127 - (void) updateCancel {
5128     [[self navigationItem] setLeftBarButtonItem:(cancel_ == 1 ? [[[UIBarButtonItem alloc]
5129         initWithTitle:UCLocalize("CANCEL")
5130         style:UIBarButtonItemStylePlain
5131         target:self
5132         action:@selector(cancel)
5133     ] autorelease] : nil)];
5134 }
5135
5136 - (id) initWithDatabase:(Database *)database delegate:(id)delegate {
5137     if ((self = [super init]) != nil) {
5138         database_ = database;
5139         delegate_ = delegate;
5140
5141         [database_ setProgressDelegate:self];
5142
5143         progress_ = [[[CydiaProgressData alloc] init] autorelease];
5144         [progress_ setDelegate:self];
5145
5146         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/progress/", UI_]]];
5147
5148         [scroller_ setBackgroundColor:[UIColor blackColor]];
5149
5150         [[self navigationItem] setHidesBackButton:YES];
5151
5152         [self updateCancel];
5153     } return self;
5154 }
5155
5156 - (void) webView:(WebView *)view didClearWindowObject:(WebScriptObject *)window forFrame:(WebFrame *)frame {
5157     [super webView:view didClearWindowObject:window forFrame:frame];
5158     [window setValue:progress_ forKey:@"cydiaProgress"];
5159 }
5160
5161 - (void) updateProgress {
5162     [self dispatchEvent:@"CydiaProgressUpdate"];
5163 }
5164
5165 - (void) viewWillAppear:(BOOL)animated {
5166     if (![self hasLoaded])
5167         [[[self navigationController] navigationBar] setBarStyle:UIBarStyleBlack];
5168
5169     [super viewWillAppear:animated];
5170 }
5171
5172 - (void) close {
5173     UpdateExternalStatus(0);
5174
5175     switch (Finish_) {
5176         case 0:
5177         break;
5178
5179         case 1:
5180             [delegate_ terminateWithSuccess];
5181             /*if ([delegate_ respondsToSelector:@selector(suspendWithAnimation:)])
5182                 [delegate_ suspendWithAnimation:YES];
5183             else
5184                 [delegate_ suspend];*/
5185         break;
5186
5187         case 2:
5188             _trace();
5189             goto reload;
5190
5191         case 3:
5192             _trace();
5193             goto reload;
5194
5195         reload:
5196             system("/usr/bin/sbreload");
5197             _trace();
5198         break;
5199
5200         case 4:
5201             _trace();
5202             if (void (*SBReboot)(mach_port_t) = reinterpret_cast<void (*)(mach_port_t)>(dlsym(RTLD_DEFAULT, "SBReboot")))
5203                 SBReboot(SBSSpringBoardServerPort());
5204             else
5205                 reboot2(RB_AUTOBOOT);
5206         break;
5207     }
5208
5209     [super close];
5210 }
5211
5212 - (void) setTitle:(NSString *)title {
5213     [progress_ setTitle:title];
5214     [self updateProgress];
5215 }
5216
5217 - (UIBarButtonItem *) rightButton {
5218     return [[progress_ running] boolValue] ? nil : [[[UIBarButtonItem alloc]
5219         initWithTitle:UCLocalize("CLOSE")
5220         style:UIBarButtonItemStylePlain
5221         target:self
5222         action:@selector(close)
5223     ] autorelease];
5224 }
5225
5226 - (void) invoke:(NSInvocation *)invocation withTitle:(NSString *)title {
5227     UpdateExternalStatus(1);
5228
5229     [progress_ setRunning:true];
5230     [self setTitle:title];
5231     // implicit updateProgress
5232
5233     SHA1SumValue notifyconf; {
5234         FileFd file;
5235         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
5236             _error->Discard();
5237         else {
5238             MMap mmap(file, MMap::ReadOnly);
5239             SHA1Summation sha1;
5240             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5241             notifyconf = sha1.Result();
5242         }
5243     }
5244
5245     SHA1SumValue springlist; {
5246         FileFd file;
5247         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
5248             _error->Discard();
5249         else {
5250             MMap mmap(file, MMap::ReadOnly);
5251             SHA1Summation sha1;
5252             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5253             springlist = sha1.Result();
5254         }
5255     }
5256
5257     if (invocation != nil) {
5258         [invocation yieldToSelector:@selector(invoke)];
5259         [self setTitle:@"COMPLETE"];
5260     }
5261
5262     if (Finish_ < 4) {
5263         FileFd file;
5264         if (!file.Open(NotifyConfig_, FileFd::ReadOnly))
5265             _error->Discard();
5266         else {
5267             MMap mmap(file, MMap::ReadOnly);
5268             SHA1Summation sha1;
5269             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5270             if (!(notifyconf == sha1.Result()))
5271                 Finish_ = 4;
5272         }
5273     }
5274
5275     if (Finish_ < 3) {
5276         FileFd file;
5277         if (!file.Open(SpringBoard_, FileFd::ReadOnly))
5278             _error->Discard();
5279         else {
5280             MMap mmap(file, MMap::ReadOnly);
5281             SHA1Summation sha1;
5282             sha1.Add(reinterpret_cast<uint8_t *>(mmap.Data()), mmap.Size());
5283             if (!(springlist == sha1.Result()))
5284                 Finish_ = 3;
5285         }
5286     }
5287
5288     if (Finish_ < 2) {
5289         if (RestartSubstrate_)
5290             Finish_ = 2;
5291     }
5292
5293     RestartSubstrate_ = false;
5294
5295     switch (Finish_) {
5296         case 0: [progress_ setFinish:UCLocalize("RETURN_TO_CYDIA")]; break; /* XXX: Maybe UCLocalize("DONE")? */
5297         case 1: [progress_ setFinish:UCLocalize("CLOSE_CYDIA")]; break;
5298         case 2: [progress_ setFinish:UCLocalize("RESTART_SPRINGBOARD")]; break;
5299         case 3: [progress_ setFinish:UCLocalize("RELOAD_SPRINGBOARD")]; break;
5300         case 4: [progress_ setFinish:UCLocalize("REBOOT_DEVICE")]; break;
5301     }
5302
5303     _trace();
5304     system("su -c /usr/bin/uicache mobile");
5305     _trace();
5306
5307     UpdateExternalStatus(Finish_ == 0 ? 0 : 2);
5308
5309     [progress_ setRunning:false];
5310     [self updateProgress];
5311
5312     [self applyRightButton];
5313 }
5314
5315 - (void) addProgressEvent:(CydiaProgressEvent *)event {
5316     [progress_ addEvent:event];
5317     [self updateProgress];
5318 }
5319
5320 - (bool) isProgressCancelled {
5321     return cancel_ == 2;
5322 }
5323
5324 - (void) cancel {
5325     cancel_ = 2;
5326     [self updateCancel];
5327 }
5328
5329 - (void) setCancellable:(bool)cancellable {
5330     unsigned cancel(cancel_);
5331
5332     if (!cancellable)
5333         cancel_ = 0;
5334     else if (cancel_ == 0)
5335         cancel_ = 1;
5336
5337     if (cancel != cancel_)
5338         [self updateCancel];
5339 }
5340
5341 - (void) setProgressCancellable:(NSNumber *)cancellable {
5342     [self setCancellable:[cancellable boolValue]];
5343 }
5344
5345 - (void) setProgressPercent:(NSNumber *)percent {
5346     [progress_ setPercent:[percent floatValue]];
5347     [self updateProgress];
5348 }
5349
5350 - (void) setProgressStatus:(NSDictionary *)status {
5351     if (status == nil) {
5352         [progress_ setCurrent:0];
5353         [progress_ setTotal:0];
5354         [progress_ setSpeed:0];
5355     } else {
5356         [progress_ setPercent:[[status objectForKey:@"Percent"] floatValue]];
5357
5358         [progress_ setCurrent:[[status objectForKey:@"Current"] floatValue]];
5359         [progress_ setTotal:[[status objectForKey:@"Total"] floatValue]];
5360         [progress_ setSpeed:[[status objectForKey:@"Speed"] floatValue]];
5361     }
5362
5363     [self updateProgress];
5364 }
5365
5366 @end
5367 /* }}} */
5368
5369 /* Cell Content View {{{ */
5370 @protocol ContentDelegate
5371 - (void) drawContentRect:(CGRect)rect;
5372 @end
5373
5374 @interface ContentView : UIView {
5375     _transient id<ContentDelegate> delegate_;
5376 }
5377
5378 @end
5379
5380 @implementation ContentView
5381
5382 - (id) initWithFrame:(CGRect)frame {
5383     if ((self = [super initWithFrame:frame]) != nil) {
5384         [self setNeedsDisplayOnBoundsChange:YES];
5385     } return self;
5386 }
5387
5388 - (void) setDelegate:(id<ContentDelegate>)delegate {
5389     delegate_ = delegate;
5390 }
5391
5392 - (void) drawRect:(CGRect)rect {
5393     [super drawRect:rect];
5394     [delegate_ drawContentRect:rect];
5395 }
5396
5397 @end
5398 /* }}} */
5399 /* Cydia TableView Cell {{{ */
5400 @interface CYTableViewCell : UITableViewCell {
5401     ContentView *content_;
5402     bool highlighted_;
5403 }
5404
5405 @end
5406
5407 @implementation CYTableViewCell
5408
5409 - (void) dealloc {
5410     [content_ release];
5411     [super dealloc];
5412 }
5413
5414 - (void) _updateHighlightColorsForView:(id)view highlighted:(BOOL)highlighted {
5415     //NSLog(@"_updateHighlightColorsForView:%@ highlighted:%s [content_=%@]", view, highlighted ? "YES" : "NO", content_);
5416
5417     if (view == content_) {
5418         //NSLog(@"_updateHighlightColorsForView:content_ highlighted:%s", highlighted ? "YES" : "NO", content_);
5419         highlighted_ = highlighted;
5420     }
5421
5422     [super _updateHighlightColorsForView:view highlighted:highlighted];
5423 }
5424
5425 - (void) setSelected:(BOOL)selected animated:(BOOL)animated {
5426     //NSLog(@"setSelected:%s animated:%s", selected ? "YES" : "NO", animated ? "YES" : "NO");
5427     highlighted_ = selected;
5428
5429     [super setSelected:selected animated:animated];
5430     [content_ setNeedsDisplay];
5431 }
5432
5433 @end
5434 /* }}} */
5435
5436 /* Package Cell {{{ */
5437 @interface PackageCell : CYTableViewCell <
5438     ContentDelegate
5439 > {
5440     UIImage *icon_;
5441     NSString *name_;
5442     NSString *description_;
5443     bool commercial_;
5444     NSString *source_;
5445     UIImage *badge_;
5446     Package *package_;
5447     UIImage *placard_;
5448 }
5449
5450 - (PackageCell *) init;
5451 - (void) setPackage:(Package *)package;
5452
5453 - (void) drawContentRect:(CGRect)rect;
5454
5455 @end
5456
5457 @implementation PackageCell
5458
5459 - (void) clearPackage {
5460     if (icon_ != nil) {
5461         [icon_ release];
5462         icon_ = nil;
5463     }
5464
5465     if (name_ != nil) {
5466         [name_ release];
5467         name_ = nil;
5468     }
5469
5470     if (description_ != nil) {
5471         [description_ release];
5472         description_ = nil;
5473     }
5474
5475     if (source_ != nil) {
5476         [source_ release];
5477         source_ = nil;
5478     }
5479
5480     if (badge_ != nil) {
5481         [badge_ release];
5482         badge_ = nil;
5483     }
5484
5485     if (placard_ != nil) {
5486         [placard_ release];
5487         placard_ = nil;
5488     }
5489
5490     [package_ release];
5491     package_ = nil;
5492 }
5493
5494 - (void) dealloc {
5495     [self clearPackage];
5496     [super dealloc];
5497 }
5498
5499 - (PackageCell *) init {
5500     CGRect frame(CGRectMake(0, 0, 320, 74));
5501     if ((self = [super initWithFrame:frame reuseIdentifier:@"Package"]) != nil) {
5502         UIView *content([self contentView]);
5503         CGRect bounds([content bounds]);
5504
5505         content_ = [[ContentView alloc] initWithFrame:bounds];
5506         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5507         [content addSubview:content_];
5508
5509         [content_ setDelegate:self];
5510         [content_ setOpaque:YES];
5511     } return self;
5512 }
5513
5514 - (NSString *) accessibilityLabel {
5515     return [NSString stringWithFormat:UCLocalize("COLON_DELIMITED"), name_, description_];
5516 }
5517
5518 - (void) setPackage:(Package *)package {
5519     [self clearPackage];
5520     [package parse];
5521
5522     Source *source = [package source];
5523
5524     icon_ = [[package icon] retain];
5525     name_ = [[package name] retain];
5526
5527     if (IsWildcat_)
5528         description_ = [package longDescription];
5529     if (description_ == nil)
5530         description_ = [package shortDescription];
5531     if (description_ != nil)
5532         description_ = [description_ retain];
5533
5534     commercial_ = [package isCommercial];
5535
5536     package_ = [package retain];
5537
5538     NSString *label = nil;
5539     bool trusted = false;
5540
5541     if (source != nil) {
5542         label = [source label];
5543         trusted = [source trusted];
5544     } else if ([[package id] isEqualToString:@"firmware"])
5545         label = UCLocalize("APPLE");
5546     else
5547         label = [NSString stringWithFormat:UCLocalize("SLASH_DELIMITED"), UCLocalize("UNKNOWN"), UCLocalize("LOCAL")];
5548
5549     NSString *from(label);
5550
5551     NSString *section = [package simpleSection];
5552     if (section != nil && ![section isEqualToString:label]) {
5553         section = [[NSBundle mainBundle] localizedStringForKey:section value:nil table:@"Sections"];
5554         from = [NSString stringWithFormat:UCLocalize("PARENTHETICAL"), from, section];
5555     }
5556
5557     from = [NSString stringWithFormat:UCLocalize("FROM"), from];
5558     source_ = [from retain];
5559
5560     if (NSString *purpose = [package primaryPurpose])
5561         if ((badge_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Purposes/%@.png", App_, purpose]]) != nil)
5562             badge_ = [badge_ retain];
5563
5564     UIColor *color;
5565     NSString *placard;
5566
5567     if (NSString *mode = [package_ mode]) {
5568         if ([mode isEqualToString:@"REMOVE"] || [mode isEqualToString:@"PURGE"]) {
5569             color = RemovingColor_;
5570             //placard = @"removing";
5571         } else {
5572             color = InstallingColor_;
5573             //placard = @"installing";
5574         }
5575
5576         // XXX: the removing/installing placards are not @2x
5577         placard = nil;
5578     } else {
5579         color = [UIColor whiteColor];
5580
5581         if ([package installed] != nil)
5582             placard = @"installed";
5583         else
5584             placard = nil;
5585     }
5586
5587     [content_ setBackgroundColor:color];
5588
5589     if (placard != nil)
5590         if ((placard_ = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/%@.png", App_, placard]]) != nil)
5591             placard_ = [placard_ retain];
5592
5593     [self setNeedsDisplay];
5594     [content_ setNeedsDisplay];
5595 }
5596
5597 - (void) drawContentRect:(CGRect)rect {
5598     bool highlighted(highlighted_);
5599     float width([self bounds].size.width);
5600
5601 #if 0
5602     CGContextRef context(UIGraphicsGetCurrentContext());
5603     [([[self selectedBackgroundView] superview] != nil ? [UIColor clearColor] : [self backgroundColor]) set];
5604     CGContextFillRect(context, rect);
5605 #endif
5606
5607     if (icon_ != nil) {
5608         CGRect rect;
5609         rect.size = [icon_ size];
5610
5611         rect.size.width /= 2;
5612         rect.size.height /= 2;
5613
5614         rect.origin.x = 25 - rect.size.width / 2;
5615         rect.origin.y = 25 - rect.size.height / 2;
5616
5617         [icon_ drawInRect:rect];
5618     }
5619
5620     if (badge_ != nil) {
5621         CGRect rect;
5622         rect.size = [badge_ size];
5623
5624         rect.size.width /= 2;
5625         rect.size.height /= 2;
5626
5627         rect.origin.x = 36 - rect.size.width / 2;
5628         rect.origin.y = 36 - rect.size.height / 2;
5629
5630         [badge_ drawInRect:rect];
5631     }
5632
5633     if (highlighted)
5634         UISetColor(White_);
5635
5636     if (!highlighted)
5637         UISetColor(commercial_ ? Purple_ : Black_);
5638     [name_ drawAtPoint:CGPointMake(48, 8) forWidth:(width - (placard_ == nil ? 80 : 106)) withFont:Font18Bold_ lineBreakMode:UILineBreakModeTailTruncation];
5639     [source_ drawAtPoint:CGPointMake(58, 29) forWidth:(width - 95) withFont:Font12_ lineBreakMode:UILineBreakModeTailTruncation];
5640
5641     if (!highlighted)
5642         UISetColor(commercial_ ? Purplish_ : Gray_);
5643     [description_ drawAtPoint:CGPointMake(12, 46) forWidth:(width - 46) withFont:Font14_ lineBreakMode:UILineBreakModeTailTruncation];
5644
5645     if (placard_ != nil)
5646         [placard_ drawAtPoint:CGPointMake(width - 52, 9)];
5647 }
5648
5649 @end
5650 /* }}} */
5651 /* Section Cell {{{ */
5652 @interface SectionCell : CYTableViewCell <
5653     ContentDelegate
5654 > {
5655     NSString *basic_;
5656     NSString *section_;
5657     NSString *name_;
5658     NSString *count_;
5659     UIImage *icon_;
5660     UISwitch *switch_;
5661     BOOL editing_;
5662 }
5663
5664 - (void) setSection:(Section *)section editing:(BOOL)editing;
5665
5666 @end
5667
5668 @implementation SectionCell
5669
5670 - (void) clearSection {
5671     if (basic_ != nil) {
5672         [basic_ release];
5673         basic_ = nil;
5674     }
5675
5676     if (section_ != nil) {
5677         [section_ release];
5678         section_ = nil;
5679     }
5680
5681     if (name_ != nil) {
5682         [name_ release];
5683         name_ = nil;
5684     }
5685
5686     if (count_ != nil) {
5687         [count_ release];
5688         count_ = nil;
5689     }
5690 }
5691
5692 - (void) dealloc {
5693     [self clearSection];
5694     [icon_ release];
5695     [switch_ release];
5696     [super dealloc];
5697 }
5698
5699 - (id) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
5700     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
5701         icon_ = [[UIImage applicationImageNamed:@"folder.png"] retain];
5702         switch_ = [[UISwitch alloc] initWithFrame:CGRectMake(218, 9, 60, 25)];
5703         [switch_ addTarget:self action:@selector(onSwitch:) forEvents:UIControlEventValueChanged];
5704
5705         UIView *content([self contentView]);
5706         CGRect bounds([content bounds]);
5707
5708         content_ = [[ContentView alloc] initWithFrame:bounds];
5709         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5710         [content addSubview:content_];
5711         [content_ setBackgroundColor:[UIColor whiteColor]];
5712
5713         [content_ setDelegate:self];
5714     } return self;
5715 }
5716
5717 - (void) onSwitch:(id)sender {
5718     NSMutableDictionary *metadata([Sections_ objectForKey:basic_]);
5719     if (metadata == nil) {
5720         metadata = [NSMutableDictionary dictionaryWithCapacity:2];
5721         [Sections_ setObject:metadata forKey:basic_];
5722     }
5723
5724     [metadata setObject:[NSNumber numberWithBool:([switch_ isOn] == NO)] forKey:@"Hidden"];
5725     Changed_ = true;
5726 }
5727
5728 - (void) setSection:(Section *)section editing:(BOOL)editing {
5729     if (editing != editing_) {
5730         if (editing_)
5731             [switch_ removeFromSuperview];
5732         else
5733             [self addSubview:switch_];
5734         editing_ = editing;
5735     }
5736
5737     [self clearSection];
5738
5739     if (section == nil) {
5740         name_ = [UCLocalize("ALL_PACKAGES") retain];
5741         count_ = nil;
5742     } else {
5743         basic_ = [section name];
5744         if (basic_ != nil)
5745             basic_ = [basic_ retain];
5746
5747         section_ = [section localized];
5748         if (section_ != nil)
5749             section_ = [section_ retain];
5750
5751         name_  = [(section_ == nil || [section_ length] == 0 ? UCLocalize("NO_SECTION") : section_) retain];
5752         count_ = [[NSString stringWithFormat:@"%d", [section count]] retain];
5753
5754         if (editing_)
5755             [switch_ setOn:(isSectionVisible(basic_) ? 1 : 0) animated:NO];
5756     }
5757
5758     [self setAccessoryType:editing ? UITableViewCellAccessoryNone : UITableViewCellAccessoryDisclosureIndicator];
5759     [self setSelectionStyle:editing ? UITableViewCellSelectionStyleNone : UITableViewCellSelectionStyleBlue];
5760
5761     [content_ setNeedsDisplay];
5762 }
5763
5764 - (void) setFrame:(CGRect)frame {
5765     [super setFrame:frame];
5766
5767     CGRect rect([switch_ frame]);
5768     [switch_ setFrame:CGRectMake(frame.size.width - 102, 9, rect.size.width, rect.size.height)];
5769 }
5770
5771 - (NSString *) accessibilityLabel {
5772     return name_;
5773 }
5774
5775 - (void) drawContentRect:(CGRect)rect {
5776     bool highlighted(highlighted_ && !editing_);
5777
5778     [icon_ drawInRect:CGRectMake(8, 7, 32, 32)];
5779
5780     if (highlighted)
5781         UISetColor(White_);
5782
5783     float width(rect.size.width);
5784     if (editing_)
5785         width -= 87;
5786
5787     if (!highlighted)
5788         UISetColor(Black_);
5789     [name_ drawAtPoint:CGPointMake(48, 9) forWidth:(width - 70) withFont:Font22Bold_ lineBreakMode:UILineBreakModeTailTruncation];
5790
5791     CGSize size = [count_ sizeWithFont:Font14_];
5792
5793     UISetColor(White_);
5794     if (count_ != nil)
5795         [count_ drawAtPoint:CGPointMake(13 + (29 - size.width) / 2, 16) withFont:Font12Bold_];
5796 }
5797
5798 @end
5799 /* }}} */
5800
5801 /* File Table {{{ */
5802 @interface FileTable : CYViewController <
5803     UITableViewDataSource,
5804     UITableViewDelegate
5805 > {
5806     _transient Database *database_;
5807     Package *package_;
5808     NSString *name_;
5809     NSMutableArray *files_;
5810     UITableView *list_;
5811 }
5812
5813 - (id) initWithDatabase:(Database *)database;
5814 - (void) setPackage:(Package *)package;
5815
5816 @end
5817
5818 @implementation FileTable
5819
5820 - (void) dealloc {
5821     [self releaseSubviews];
5822
5823     [package_ release];
5824     [name_ release];
5825     [files_ release];
5826
5827     [super dealloc];
5828 }
5829
5830 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
5831     return files_ == nil ? 0 : [files_ count];
5832 }
5833
5834 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
5835     return 24.0f;
5836 }*/
5837
5838 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
5839     static NSString *reuseIdentifier = @"Cell";
5840
5841     UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
5842     if (cell == nil) {
5843         cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
5844         [cell setFont:[UIFont systemFontOfSize:16]];
5845     }
5846     [cell setText:[files_ objectAtIndex:indexPath.row]];
5847     [cell setSelectionStyle:UITableViewCellSelectionStyleNone];
5848
5849     return cell;
5850 }
5851
5852 - (NSURL *) navigationURL {
5853     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/files", [package_ id]]];
5854 }
5855
5856 - (void) loadView {
5857     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
5858
5859     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds]];
5860     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
5861     [list_ setRowHeight:24.0f];
5862     [list_ setDataSource:self];
5863     [list_ setDelegate:self];
5864     [[self view] addSubview:list_];
5865 }
5866
5867 - (void) viewDidLoad {
5868     [[self navigationItem] setTitle:UCLocalize("INSTALLED_FILES")];
5869 }
5870
5871 - (void) releaseSubviews {
5872     [list_ release];
5873     list_ = nil;
5874 }
5875
5876 - (id) initWithDatabase:(Database *)database {
5877     if ((self = [super init]) != nil) {
5878         database_ = database;
5879
5880         files_ = [[NSMutableArray arrayWithCapacity:32] retain];
5881     } return self;
5882 }
5883
5884 - (void) setPackage:(Package *)package {
5885     if (package_ != nil) {
5886         [package_ autorelease];
5887         package_ = nil;
5888     }
5889
5890     if (name_ != nil) {
5891         [name_ release];
5892         name_ = nil;
5893     }
5894
5895     [files_ removeAllObjects];
5896
5897     if (package != nil) {
5898         package_ = [package retain];
5899         name_ = [[package id] retain];
5900
5901         if (NSArray *files = [package files])
5902             [files_ addObjectsFromArray:files];
5903
5904         if ([files_ count] != 0) {
5905             if ([[files_ objectAtIndex:0] isEqualToString:@"/."])
5906                 [files_ removeObjectAtIndex:0];
5907             [files_ sortUsingSelector:@selector(compareByPath:)];
5908
5909             NSMutableArray *stack = [NSMutableArray arrayWithCapacity:8];
5910             [stack addObject:@"/"];
5911
5912             for (int i(0), e([files_ count]); i != e; ++i) {
5913                 NSString *file = [files_ objectAtIndex:i];
5914                 while (![file hasPrefix:[stack lastObject]])
5915                     [stack removeLastObject];
5916                 NSString *directory = [stack lastObject];
5917                 [stack addObject:[file stringByAppendingString:@"/"]];
5918                 [files_ replaceObjectAtIndex:i withObject:[NSString stringWithFormat:@"%*s%@",
5919                     ([stack count] - 2) * 3, "",
5920                     [file substringFromIndex:[directory length]]
5921                 ]];
5922             }
5923         }
5924     }
5925
5926     [list_ reloadData];
5927 }
5928
5929 - (void) reloadData {
5930     [super reloadData];
5931
5932     [self setPackage:[database_ packageWithName:name_]];
5933 }
5934
5935 @end
5936 /* }}} */
5937 /* Package Controller {{{ */
5938 @interface CYPackageController : CYBrowserController <
5939     UIActionSheetDelegate
5940 > {
5941     _transient Database *database_;
5942     _H<Package> package_;
5943     _H<NSString> name_;
5944     bool commercial_;
5945     _H<NSMutableArray> buttons_;
5946     _H<UIBarButtonItem> button_;
5947 }
5948
5949 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name;
5950
5951 @end
5952
5953 @implementation CYPackageController
5954
5955 - (NSURL *) navigationURL {
5956     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@", (id) name_]];
5957 }
5958
5959 /* XXX: this is not safe at all... localization of /fail/ */
5960 - (void) _clickButtonWithName:(NSString *)name {
5961     if ([name isEqualToString:UCLocalize("CLEAR")])
5962         [delegate_ clearPackage:package_];
5963     else if ([name isEqualToString:UCLocalize("INSTALL")])
5964         [delegate_ installPackage:package_];
5965     else if ([name isEqualToString:UCLocalize("REINSTALL")])
5966         [delegate_ installPackage:package_];
5967     else if ([name isEqualToString:UCLocalize("REMOVE")])
5968         [delegate_ removePackage:package_];
5969     else if ([name isEqualToString:UCLocalize("UPGRADE")])
5970         [delegate_ installPackage:package_];
5971     else _assert(false);
5972 }
5973
5974 - (void) actionSheet:(UIActionSheet *)sheet clickedButtonAtIndex:(NSInteger)button {
5975     NSString *context([sheet context]);
5976
5977     if ([context isEqualToString:@"modify"]) {
5978         if (button != [sheet cancelButtonIndex]) {
5979             NSString *buttonName = [buttons_ objectAtIndex:button];
5980             [self _clickButtonWithName:buttonName];
5981         }
5982
5983         [sheet dismissWithClickedButtonIndex:-1 animated:YES];
5984     }
5985 }
5986
5987 - (bool) _allowJavaScriptPanel {
5988     return commercial_;
5989 }
5990
5991 #if !AlwaysReload
5992 - (void) _customButtonClicked {
5993     int count([buttons_ count]);
5994     if (count == 0)
5995         return;
5996
5997     if (count == 1)
5998         [self _clickButtonWithName:[buttons_ objectAtIndex:0]];
5999     else {
6000         NSMutableArray *buttons = [NSMutableArray arrayWithCapacity:count];
6001         [buttons addObjectsFromArray:buttons_];
6002
6003         UIActionSheet *sheet = [[[UIActionSheet alloc]
6004             initWithTitle:nil
6005             delegate:self
6006             cancelButtonTitle:nil
6007             destructiveButtonTitle:nil
6008             otherButtonTitles:nil
6009         ] autorelease];
6010
6011         for (NSString *button in buttons) [sheet addButtonWithTitle:button];
6012         if (!IsWildcat_) {
6013            [sheet addButtonWithTitle:UCLocalize("CANCEL")];
6014            [sheet setCancelButtonIndex:[sheet numberOfButtons] - 1];
6015         }
6016         [sheet setContext:@"modify"];
6017
6018         [delegate_ showActionSheet:sheet fromItem:[[self navigationItem] rightBarButtonItem]];
6019     }
6020 }
6021
6022 // We don't want to allow non-commercial packages to do custom things to the install button,
6023 // so it must call customButtonClicked with a custom commercial_ == 1 fallthrough.
6024 - (void) customButtonClicked {
6025     if (commercial_)
6026         [super customButtonClicked];
6027     else
6028         [self _customButtonClicked];
6029 }
6030
6031 - (void) reloadButtonClicked {
6032     // Don't reload a commerical package by tapping the loading button,
6033     // but if it's not an Install button, we should forward it on.
6034     if (![package_ uninstalled])
6035         [self _customButtonClicked];
6036 }
6037
6038 - (void) applyLoadingTitle {
6039     // Don't show "Loading" as the title. Ever.
6040 }
6041
6042 - (UIBarButtonItem *) rightButton {
6043     return button_;
6044 }
6045 #endif
6046
6047 - (id) initWithDatabase:(Database *)database forPackage:(NSString *)name {
6048     if ((self = [super init]) != nil) {
6049         database_ = database;
6050         buttons_ = [NSMutableArray arrayWithCapacity:4];
6051         name_ = [NSString stringWithString:name];
6052         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/package/%@", UI_, (id) name_]]];
6053     } return self;
6054 }
6055
6056 - (void) reloadData {
6057     package_ = [database_ packageWithName:name_];
6058
6059     [buttons_ removeAllObjects];
6060
6061     if (package_ != nil) {
6062         [(Package *) package_ parse];
6063
6064         commercial_ = [package_ isCommercial];
6065
6066         if ([package_ mode] != nil)
6067             [buttons_ addObject:UCLocalize("CLEAR")];
6068         if ([package_ source] == nil);
6069         else if ([package_ upgradableAndEssential:NO])
6070             [buttons_ addObject:UCLocalize("UPGRADE")];
6071         else if ([package_ uninstalled])
6072             [buttons_ addObject:UCLocalize("INSTALL")];
6073         else
6074             [buttons_ addObject:UCLocalize("REINSTALL")];
6075         if (![package_ uninstalled])
6076             [buttons_ addObject:UCLocalize("REMOVE")];
6077     }
6078
6079     NSString *title;
6080     switch ([buttons_ count]) {
6081         case 0: title = nil; break;
6082         case 1: title = [buttons_ objectAtIndex:0]; break;
6083         default: title = UCLocalize("MODIFY"); break;
6084     }
6085
6086     button_ = [[[UIBarButtonItem alloc]
6087         initWithTitle:title
6088         style:UIBarButtonItemStylePlain
6089         target:self
6090         action:@selector(customButtonClicked)
6091     ] autorelease];
6092
6093     [super reloadData];
6094 }
6095
6096 - (bool) isLoading {
6097     return commercial_ ? [super isLoading] : false;
6098 }
6099
6100 @end
6101 /* }}} */
6102
6103 /* Package List Controller {{{ */
6104 @interface PackageListController : CYViewController <
6105     UITableViewDataSource,
6106     UITableViewDelegate
6107 > {
6108     _transient Database *database_;
6109     unsigned era_;
6110     NSMutableArray *packages_;
6111     NSMutableArray *sections_;
6112     UITableView *list_;
6113     NSMutableArray *index_;
6114     NSMutableDictionary *indices_;
6115     NSString *title_;
6116 }
6117
6118 - (id) initWithDatabase:(Database *)database title:(NSString *)title;
6119 - (void) setDelegate:(id)delegate;
6120 - (void) resetCursor;
6121
6122 @end
6123
6124 @implementation PackageListController
6125
6126 - (void) dealloc {
6127     [packages_ release];
6128     [sections_ release];
6129     [list_ release];
6130     [index_ release];
6131     [indices_ release];
6132     [title_ release];
6133
6134     [super dealloc];
6135 }
6136
6137 - (void) deselectWithAnimation:(BOOL)animated {
6138     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
6139 }
6140
6141 - (void) resizeForKeyboardBounds:(CGRect)bounds duration:(NSTimeInterval)duration curve:(UIViewAnimationCurve)curve {
6142     CGRect base = [[self view] bounds];
6143     base.size.height -= bounds.size.height;
6144     base.origin = [list_ frame].origin;
6145
6146     [UIView beginAnimations:nil context:NULL];
6147     [UIView setAnimationBeginsFromCurrentState:YES];
6148     [UIView setAnimationCurve:curve];
6149     [UIView setAnimationDuration:duration];
6150     [list_ setFrame:base];
6151     [UIView commitAnimations];
6152 }
6153
6154 - (void) resizeForKeyboardBounds:(CGRect)bounds duration:(NSTimeInterval)duration {
6155     [self resizeForKeyboardBounds:bounds duration:duration curve:UIViewAnimationCurveLinear];
6156 }
6157
6158 - (void) resizeForKeyboardBounds:(CGRect)bounds {
6159     [self resizeForKeyboardBounds:bounds duration:0];
6160 }
6161
6162 - (void) keyboardWillShow:(NSNotification *)notification {
6163     CGRect bounds;
6164     CGPoint center;
6165     NSTimeInterval duration;
6166     UIViewAnimationCurve curve;
6167     [[[notification userInfo] objectForKey:UIKeyboardBoundsUserInfoKey] getValue:&bounds];
6168     [[[notification userInfo] objectForKey:UIKeyboardCenterEndUserInfoKey] getValue:&center];
6169     [[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] getValue:&curve];
6170     [[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] getValue:&duration];
6171
6172     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);
6173     UIViewController *base = self;
6174     while ([base parentViewController] != nil)
6175         base = [base parentViewController];
6176     CGRect viewframe = [[base view] convertRect:[list_ frame] fromView:[list_ superview]];
6177     CGRect intersection = CGRectIntersection(viewframe, kbframe);
6178
6179     [self resizeForKeyboardBounds:intersection duration:duration curve:curve];
6180 }
6181
6182 - (void) keyboardWillHide:(NSNotification *)notification {
6183     NSTimeInterval duration;
6184     UIViewAnimationCurve curve;
6185     [[[notification userInfo] objectForKey:UIKeyboardAnimationCurveUserInfoKey] getValue:&curve];
6186     [[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] getValue:&duration];
6187
6188     [self resizeForKeyboardBounds:CGRectZero duration:duration curve:curve];
6189 }
6190
6191 - (void) viewWillAppear:(BOOL)animated {
6192     [super viewWillAppear:animated];
6193
6194     [self resizeForKeyboardBounds:CGRectZero];
6195     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillShow:) name:UIKeyboardWillShowNotification object:nil];
6196     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillHide:) name:UIKeyboardWillHideNotification object:nil];
6197 }
6198
6199 - (void) viewWillDisappear:(BOOL)animated {
6200     [super viewWillDisappear:animated];
6201
6202     [self resizeForKeyboardBounds:CGRectZero];
6203     [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillShowNotification object:nil];
6204     [[NSNotificationCenter defaultCenter] removeObserver:self name:UIKeyboardWillHideNotification object:nil];
6205 }
6206
6207 - (void) viewDidAppear:(BOOL)animated {
6208     [super viewDidAppear:animated];
6209     [self deselectWithAnimation:animated];
6210 }
6211
6212 - (void) didSelectPackage:(Package *)package {
6213     CYPackageController *view([[[CYPackageController alloc] initWithDatabase:database_ forPackage:[package id]] autorelease]);
6214     [view setDelegate:delegate_];
6215     [[self navigationController] pushViewController:view animated:YES];
6216 }
6217
6218 #if TryIndexedCollation
6219 + (BOOL) hasIndexedCollation {
6220     return NO; // XXX: objc_getClass("UILocalizedIndexedCollation") != nil;
6221 }
6222 #endif
6223
6224 - (NSInteger) numberOfSectionsInTableView:(UITableView *)list {
6225     NSInteger count([sections_ count]);
6226     return count == 0 ? 1 : count;
6227 }
6228
6229 - (NSString *) tableView:(UITableView *)list titleForHeaderInSection:(NSInteger)section {
6230     if ([sections_ count] == 0 || [[sections_ objectAtIndex:section] count] == 0)
6231         return nil;
6232     return [[sections_ objectAtIndex:section] name];
6233 }
6234
6235 - (NSInteger) tableView:(UITableView *)list numberOfRowsInSection:(NSInteger)section {
6236     if ([sections_ count] == 0)
6237         return 0;
6238     return [[sections_ objectAtIndex:section] count];
6239 }
6240
6241 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
6242 @synchronized (database_) {
6243     if ([database_ era] != era_)
6244         return nil;
6245
6246     Section *section([sections_ objectAtIndex:[path section]]);
6247     NSInteger row([path row]);
6248     Package *package([packages_ objectAtIndex:([section row] + row)]);
6249     return [[package retain] autorelease];
6250 } }
6251
6252 - (UITableViewCell *) tableView:(UITableView *)table cellForRowAtIndexPath:(NSIndexPath *)path {
6253     PackageCell *cell((PackageCell *) [table dequeueReusableCellWithIdentifier:@"Package"]);
6254     if (cell == nil)
6255         cell = [[[PackageCell alloc] init] autorelease];
6256     [cell setPackage:[self packageAtIndexPath:path]];
6257     return cell;
6258 }
6259
6260 - (void) tableView:(UITableView *)table didSelectRowAtIndexPath:(NSIndexPath *)path {
6261     Package *package([self packageAtIndexPath:path]);
6262     package = [database_ packageWithName:[package id]];
6263     [self didSelectPackage:package];
6264 }
6265
6266 - (NSArray *) sectionIndexTitlesForTableView:(UITableView *)tableView {
6267     // XXX: is 20 the most optimal number here?
6268     return [packages_ count] > 20 ? index_ : nil;
6269 }
6270
6271 - (NSInteger) tableView:(UITableView *)tableView sectionForSectionIndexTitle:(NSString *)title atIndex:(NSInteger)index {
6272 #if TryIndexedCollation
6273     if ([[self class] hasIndexedCollation]) {
6274         return [[objc_getClass("UILocalizedIndexedCollation") currentCollation] sectionForSectionIndexTitleAtIndex:index];
6275     }
6276 #endif
6277
6278     return index;
6279 }
6280
6281 - (id) initWithDatabase:(Database *)database title:(NSString *)title {
6282     if ((self = [super init]) != nil) {
6283         database_ = database;
6284         title_ = [title copy];
6285         [[self navigationItem] setTitle:title_];
6286
6287 #if TryIndexedCollation
6288         if ([[self class] hasIndexedCollation])
6289             index_ = [[[objc_getClass("UILocalizedIndexedCollation") currentCollation] sectionIndexTitles] retain]
6290         else
6291 #endif
6292             index_ = [[NSMutableArray alloc] initWithCapacity:32];
6293
6294         indices_ = [[NSMutableDictionary alloc] initWithCapacity:32];
6295
6296         packages_ = [[NSMutableArray arrayWithCapacity:16] retain];
6297         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
6298
6299         list_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain];
6300         [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6301         [list_ setRowHeight:73];
6302         [[self view] addSubview:list_];
6303
6304         [list_ setDataSource:self];
6305         [list_ setDelegate:self];
6306     } return self;
6307 }
6308
6309 - (void) setDelegate:(id)delegate {
6310     delegate_ = delegate;
6311 }
6312
6313 - (bool) hasPackage:(Package *)package {
6314     return true;
6315 }
6316
6317 - (void) reloadData {
6318     [super reloadData];
6319
6320     era_ = [database_ era];
6321     NSArray *packages = [database_ packages];
6322
6323     [packages_ removeAllObjects];
6324     [sections_ removeAllObjects];
6325
6326     _profile(PackageTable$reloadData$Filter)
6327         for (Package *package in packages)
6328             if ([self hasPackage:package])
6329                 [packages_ addObject:package];
6330     _end
6331
6332     [indices_ removeAllObjects];
6333
6334     Section *section = nil;
6335
6336 #if TryIndexedCollation
6337     if ([[self class] hasIndexedCollation]) {
6338         id collation = [objc_getClass("UILocalizedIndexedCollation") currentCollation];
6339         NSArray *titles = [collation sectionIndexTitles];
6340         int secidx = -1;
6341
6342         _profile(PackageTable$reloadData$Section)
6343             for (size_t offset(0), end([packages_ count]); offset != end; ++offset) {
6344                 Package *package;
6345                 int index;
6346
6347                 _profile(PackageTable$reloadData$Section$Package)
6348                     package = [packages_ objectAtIndex:offset];
6349                     index = [collation sectionForObject:package collationStringSelector:@selector(name)];
6350                 _end
6351
6352                 while (secidx < index) {
6353                     secidx += 1;
6354
6355                     _profile(PackageTable$reloadData$Section$Allocate)
6356                         section = [[[Section alloc] initWithName:[titles objectAtIndex:secidx] row:offset localize:NO] autorelease];
6357                     _end
6358
6359                     _profile(PackageTable$reloadData$Section$Add)
6360                         [sections_ addObject:section];
6361                     _end
6362                 }
6363
6364                 [section addToCount];
6365             }
6366         _end
6367     } else
6368 #endif
6369     {
6370         [index_ removeAllObjects];
6371
6372         _profile(PackageTable$reloadData$Section)
6373             for (size_t offset(0), end([packages_ count]); offset != end; ++offset) {
6374                 Package *package;
6375                 unichar index;
6376
6377                 _profile(PackageTable$reloadData$Section$Package)
6378                     package = [packages_ objectAtIndex:offset];
6379                     index = [package index];
6380                 _end
6381
6382                 if (section == nil || [section index] != index) {
6383                     _profile(PackageTable$reloadData$Section$Allocate)
6384                         section = [[[Section alloc] initWithIndex:index row:offset] autorelease];
6385                     _end
6386
6387                     [index_ addObject:[section name]];
6388                     //[indices_ setObject:[NSNumber numberForInt:[sections_ count]] forKey:index];
6389
6390                     _profile(PackageTable$reloadData$Section$Add)
6391                         [sections_ addObject:section];
6392                     _end
6393                 }
6394
6395                 [section addToCount];
6396             }
6397         _end
6398     }
6399
6400     _profile(PackageTable$reloadData$List)
6401         [list_ reloadData];
6402     _end
6403 }
6404
6405 - (void) resetCursor {
6406     [list_ scrollRectToVisible:CGRectMake(0, 0, 0, 0) animated:NO];
6407 }
6408
6409 @end
6410 /* }}} */
6411 /* Filtered Package List Controller {{{ */
6412 @interface FilteredPackageListController : PackageListController {
6413     SEL filter_;
6414     IMP imp_;
6415     id object_;
6416 }
6417
6418 - (void) setObject:(id)object;
6419 - (void) setObject:(id)object forFilter:(SEL)filter;
6420
6421 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object;
6422
6423 @end
6424
6425 @implementation FilteredPackageListController
6426
6427 - (void) dealloc {
6428     if (object_ != nil)
6429         [object_ release];
6430     [super dealloc];
6431 }
6432
6433 - (void) setFilter:(SEL)filter {
6434     filter_ = filter;
6435
6436     /* XXX: this is an unsafe optimization of doomy hell */
6437     Method method(class_getInstanceMethod([Package class], filter));
6438     _assert(method != NULL);
6439     imp_ = method_getImplementation(method);
6440     _assert(imp_ != NULL);
6441 }
6442
6443 - (void) setObject:(id)object {
6444     if (object_ != nil)
6445         [object_ release];
6446     if (object == nil)
6447         object_ = nil;
6448     else
6449         object_ = [object retain];
6450 }
6451
6452 - (void) setObject:(id)object forFilter:(SEL)filter {
6453     [self setFilter:filter];
6454     [self setObject:object];
6455 }
6456
6457 - (bool) hasPackage:(Package *)package {
6458     _profile(FilteredPackageTable$hasPackage)
6459         return [package valid] && (*reinterpret_cast<bool (*)(id, SEL, id)>(imp_))(package, filter_, object_);
6460     _end
6461 }
6462
6463 - (id) initWithDatabase:(Database *)database title:(NSString *)title filter:(SEL)filter with:(id)object {
6464     if ((self = [super initWithDatabase:database title:title]) != nil) {
6465         [self setFilter:filter];
6466         [self setObject:object];
6467     } return self;
6468 }
6469
6470 @end
6471 /* }}} */
6472
6473 /* Home Controller {{{ */
6474 @interface HomeController : CYBrowserController {
6475 }
6476
6477 @end
6478
6479 @implementation HomeController
6480
6481 - (id) init {
6482     if ((self = [super init]) != nil) {
6483         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/home/", UI_]]];
6484     } return self;
6485 }
6486
6487 - (NSURL *) navigationURL {
6488     return [NSURL URLWithString:@"cydia://home"];
6489 }
6490
6491 - (void) aboutButtonClicked {
6492     UIAlertView *alert([[[UIAlertView alloc] init] autorelease]);
6493
6494     [alert setTitle:UCLocalize("ABOUT_CYDIA")];
6495     [alert addButtonWithTitle:UCLocalize("CLOSE")];
6496     [alert setCancelButtonIndex:0];
6497
6498     [alert setMessage:
6499         @"Copyright (C) 2008-2011\n"
6500         "Jay Freeman (saurik)\n"
6501         "saurik@saurik.com\n"
6502         "http://www.saurik.com/"
6503     ];
6504
6505     [alert show];
6506 }
6507
6508 - (void) viewDidLoad {
6509     [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
6510         initWithTitle:UCLocalize("ABOUT")
6511         style:UIBarButtonItemStylePlain
6512         target:self
6513         action:@selector(aboutButtonClicked)
6514     ] autorelease]];
6515 }
6516
6517 @end
6518 /* }}} */
6519 /* Manage Controller {{{ */
6520 @interface ManageController : CYBrowserController {
6521 }
6522
6523 - (void) queueStatusDidChange;
6524
6525 @end
6526
6527 @implementation ManageController
6528
6529 - (id) init {
6530     if ((self = [super init]) != nil) {
6531         [self setURL:[NSURL URLWithString:[NSString stringWithFormat:@"%@/#!/manage/", UI_]]];
6532     } return self;
6533 }
6534
6535 - (NSURL *) navigationURL {
6536     return [NSURL URLWithString:@"cydia://manage"];
6537 }
6538
6539 - (void) viewDidLoad {
6540     [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
6541         initWithTitle:UCLocalize("SETTINGS")
6542         style:UIBarButtonItemStylePlain
6543         target:self
6544         action:@selector(settingsButtonClicked)
6545     ] autorelease]];
6546
6547     [self queueStatusDidChange];
6548 }
6549
6550 - (void) settingsButtonClicked {
6551     [delegate_ showSettings];
6552 }
6553
6554 #if !AlwaysReload
6555 - (void) queueButtonClicked {
6556     [delegate_ queue];
6557 }
6558
6559 - (void) applyLoadingTitle {
6560     // Disable "Loading" title.
6561 }
6562
6563 - (void) applyRightButton {
6564     // Disable right button.
6565 }
6566 #endif
6567
6568 - (void) queueStatusDidChange {
6569 #if !AlwaysReload
6570     if (!IsWildcat_ && Queuing_) {
6571         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
6572             initWithTitle:UCLocalize("QUEUE")
6573             style:UIBarButtonItemStyleDone
6574             target:self
6575             action:@selector(queueButtonClicked)
6576         ] autorelease]];
6577     } else {
6578         [[self navigationItem] setRightBarButtonItem:nil];
6579     }
6580 #endif
6581 }
6582
6583 - (bool) isLoading {
6584     // Never show as loading.
6585     return false;
6586 }
6587
6588 @end
6589 /* }}} */
6590
6591 /* Refresh Bar {{{ */
6592 @interface RefreshBar : UINavigationBar {
6593     UIProgressIndicator *indicator_;
6594     UITextLabel *prompt_;
6595     UIProgressBar *progress_;
6596     UINavigationButton *cancel_;
6597 }
6598
6599 @end
6600
6601 @implementation RefreshBar
6602
6603 - (void) dealloc {
6604     [indicator_ release];
6605     [prompt_ release];
6606     [progress_ release];
6607     [cancel_ release];
6608     [super dealloc];
6609 }
6610
6611 - (void) positionViews {
6612     CGRect frame = [cancel_ frame];
6613     frame.size = [cancel_ sizeThatFits:frame.size];
6614     frame.origin.x = [self frame].size.width - frame.size.width - 5;
6615     frame.origin.y = ([self frame].size.height - frame.size.height) / 2;
6616     [cancel_ setFrame:frame];
6617
6618     CGSize prgsize = {75, 100};
6619     CGRect prgrect = {{
6620         [self frame].size.width - prgsize.width - 10,
6621         ([self frame].size.height - prgsize.height) / 2
6622     } , prgsize};
6623     [progress_ setFrame:prgrect];
6624
6625     CGSize indsize([UIProgressIndicator defaultSizeForStyle:[indicator_ activityIndicatorViewStyle]]);
6626     unsigned indoffset = ([self frame].size.height - indsize.height) / 2;
6627     CGRect indrect = {{indoffset, indoffset}, indsize};
6628     [indicator_ setFrame:indrect];
6629
6630     CGSize prmsize = {215, indsize.height + 4};
6631     CGRect prmrect = {{
6632         indoffset * 2 + indsize.width,
6633         unsigned([self frame].size.height - prmsize.height) / 2 - 1
6634     }, prmsize};
6635     [prompt_ setFrame:prmrect];
6636 }
6637
6638 - (void) setFrame:(CGRect)frame {
6639     [super setFrame:frame];
6640     [self positionViews];
6641 }
6642
6643 - (id) initWithFrame:(CGRect)frame delegate:(id)delegate {
6644     if ((self = [super initWithFrame:frame]) != nil) {
6645         [self setAutoresizingMask:UIViewAutoresizingFlexibleWidth];
6646
6647         [self setBarStyle:UIBarStyleBlack];
6648
6649         UIBarStyle barstyle([self _barStyle:NO]);
6650         bool ugly(barstyle == UIBarStyleDefault);
6651
6652         UIProgressIndicatorStyle style = ugly ?
6653             UIProgressIndicatorStyleMediumBrown :
6654             UIProgressIndicatorStyleMediumWhite;
6655
6656         indicator_ = [[UIProgressIndicator alloc] initWithFrame:CGRectZero];
6657         [indicator_ setStyle:style];
6658         [indicator_ startAnimation];
6659         [self addSubview:indicator_];
6660
6661         prompt_ = [[UITextLabel alloc] initWithFrame:CGRectZero];
6662         [prompt_ setColor:[UIColor colorWithCGColor:(ugly ? Blueish_ : Off_)]];
6663         [prompt_ setBackgroundColor:[UIColor clearColor]];
6664         [prompt_ setFont:[UIFont systemFontOfSize:15]];
6665         [self addSubview:prompt_];
6666
6667         progress_ = [[UIProgressBar alloc] initWithFrame:CGRectZero];
6668         [progress_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleLeftMargin];
6669         [progress_ setStyle:0];
6670         [self addSubview:progress_];
6671
6672         cancel_ = [[UINavigationButton alloc] initWithTitle:UCLocalize("CANCEL") style:UINavigationButtonStyleHighlighted];
6673         [cancel_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
6674         [cancel_ addTarget:delegate action:@selector(cancelPressed) forControlEvents:UIControlEventTouchUpInside];
6675         [cancel_ setBarStyle:barstyle];
6676
6677         [self positionViews];
6678     } return self;
6679 }
6680
6681 - (void) setCancellable:(bool)cancellable {
6682     if (cancellable)
6683         [self addSubview:cancel_];
6684     else
6685         [cancel_ removeFromSuperview];
6686 }
6687
6688 - (void) start {
6689     [prompt_ setText:UCLocalize("UPDATING_DATABASE")];
6690     [progress_ setProgress:0];
6691 }
6692
6693 - (void) stop {
6694     [self setCancellable:NO];
6695 }
6696
6697 - (void) setPrompt:(NSString *)prompt {
6698     [prompt_ setText:prompt];
6699 }
6700
6701 - (void) setProgress:(float)progress {
6702     [progress_ setProgress:progress];
6703 }
6704
6705 @end
6706 /* }}} */
6707
6708 @class CYNavigationController;
6709
6710 /* Cydia Tab Bar Controller {{{ */
6711 @interface CYTabBarController : UITabBarController <
6712     UITabBarControllerDelegate,
6713     ProgressDelegate
6714 > {
6715     _transient Database *database_;
6716     RefreshBar *refreshbar_;
6717
6718     bool dropped_;
6719     bool updating_;
6720     // XXX: ok, "updatedelegate_"?...
6721     _transient NSObject<CydiaDelegate> *updatedelegate_;
6722
6723     id root_;
6724     UIViewController *remembered_;
6725     _transient UIViewController *transient_;
6726 }
6727
6728 - (NSArray *) navigationURLCollection;
6729 - (void) dropBar:(BOOL)animated;
6730 - (void) beginUpdate;
6731 - (void) raiseBar:(BOOL)animated;
6732 - (BOOL) updating;
6733
6734 @end
6735
6736 @implementation CYTabBarController
6737
6738 - (void) setUnselectedViewController:(UIViewController *)transient {
6739     NSMutableArray *controllers = [[self viewControllers] mutableCopy];
6740     if (transient != nil) {
6741         if (transient_ == nil)
6742             remembered_ = [[controllers objectAtIndex:0] retain];
6743         transient_ = transient;
6744         [transient_ setTabBarItem:[remembered_ tabBarItem]];
6745         [controllers replaceObjectAtIndex:0 withObject:transient_];
6746         [self setSelectedIndex:0];
6747         [self setViewControllers:controllers];
6748         [self concealTabBarSelection];
6749     } else if (remembered_ != nil) {
6750         [remembered_ setTabBarItem:[transient_ tabBarItem]];
6751         transient_ = transient;
6752         [controllers replaceObjectAtIndex:0 withObject:remembered_];
6753         [remembered_ release];
6754         remembered_ = nil;
6755         [self setViewControllers:controllers];
6756         [self revealTabBarSelection];
6757     }
6758 }
6759
6760 - (UIViewController *) unselectedViewController {
6761     return transient_;
6762 }
6763
6764 - (void) tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UIViewController *)viewController {
6765     if ([self unselectedViewController])
6766         [self setUnselectedViewController:nil];
6767 }
6768
6769 - (NSArray *) navigationURLCollection {
6770     NSMutableArray *items([NSMutableArray array]);
6771
6772     // XXX: Should this deal with transient view controllers?
6773     for (id navigation in [self viewControllers]) {
6774         NSArray *stack = [navigation performSelector:@selector(navigationURLCollection)];
6775         if (stack != nil)
6776             [items addObject:stack];
6777     }
6778
6779     return items;
6780 }
6781
6782 - (void) reloadData {
6783     for (CYViewController *controller in [self viewControllers])
6784         [controller reloadData];
6785
6786     [(CYNavigationController *)[self unselectedViewController] reloadData];
6787 }
6788
6789 - (void) dealloc {
6790     [refreshbar_ release];
6791     [[NSNotificationCenter defaultCenter] removeObserver:self];
6792
6793     [super dealloc];
6794 }
6795
6796 - (id) initWithDatabase:(Database *)database {
6797     if ((self = [super init]) != nil) {
6798         database_ = database;
6799         [self setDelegate:self];
6800
6801         [[self view] setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
6802         [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(statusBarFrameChanged:) name:UIApplicationDidChangeStatusBarFrameNotification object:nil];
6803
6804         refreshbar_ = [[RefreshBar alloc] initWithFrame:CGRectMake(0, 0, [[self view] frame].size.width, [UINavigationBar defaultSize].height) delegate:self];
6805     } return self;
6806 }
6807
6808 - (void) setUpdate:(NSDate *)date {
6809     [self beginUpdate];
6810 }
6811
6812 - (void) beginUpdate {
6813     [refreshbar_ start];
6814     [self dropBar:YES];
6815
6816     [updatedelegate_ retainNetworkActivityIndicator];
6817     updating_ = true;
6818
6819     [NSThread
6820         detachNewThreadSelector:@selector(performUpdate)
6821         toTarget:self
6822         withObject:nil
6823     ];
6824 }
6825
6826 - (void) performUpdate { _pooled
6827     Status status;
6828     status.setDelegate(self);
6829     [database_ updateWithStatus:status];
6830
6831     [self
6832         performSelectorOnMainThread:@selector(completeUpdate)
6833         withObject:nil
6834         waitUntilDone:NO
6835     ];
6836 }
6837
6838 - (void) stopUpdateWithSelector:(SEL)selector {
6839     updating_ = false;
6840     [updatedelegate_ releaseNetworkActivityIndicator];
6841
6842     [self raiseBar:YES];
6843     [refreshbar_ stop];
6844
6845     [updatedelegate_ performSelector:selector withObject:nil afterDelay:0];
6846 }
6847
6848 - (void) completeUpdate {
6849     if (!updating_)
6850         return;
6851     [self stopUpdateWithSelector:@selector(reloadData)];
6852 }
6853
6854 - (void) cancelUpdate {
6855     [self stopUpdateWithSelector:@selector(updateData)];
6856 }
6857
6858 - (void) cancelPressed {
6859     [self cancelUpdate];
6860 }
6861
6862 - (BOOL) updating {
6863     return updating_;
6864 }
6865
6866 - (void) addProgressEvent:(CydiaProgressEvent *)event {
6867     [refreshbar_ setPrompt:[event compoundMessage]];
6868 }
6869
6870 - (bool) isProgressCancelled {
6871     return !updating_;
6872 }
6873
6874 - (void) setProgressCancellable:(NSNumber *)cancellable {
6875     [refreshbar_ setCancellable:(updating_ && [cancellable boolValue])];
6876 }
6877
6878 - (void) setProgressPercent:(NSNumber *)percent {
6879     [refreshbar_ setProgress:[percent floatValue]];
6880 }
6881
6882 - (void) setProgressStatus:(NSDictionary *)status {
6883     if (status != nil)
6884         [self setProgressPercent:[status objectForKey:@"Percent"]];
6885 }
6886
6887 - (void) setUpdateDelegate:(id)delegate {
6888     updatedelegate_ = delegate;
6889 }
6890
6891 - (CGFloat) statusBarHeight {
6892     if (UIInterfaceOrientationIsPortrait([self interfaceOrientation])) {
6893         return [[UIApplication sharedApplication] statusBarFrame].size.height;
6894     } else {
6895         return [[UIApplication sharedApplication] statusBarFrame].size.width;
6896     }
6897 }
6898
6899 - (UIView *) transitionView {
6900     if ([self respondsToSelector:@selector(_transitionView)])
6901         return [self _transitionView];
6902     else
6903         return MSHookIvar<id>(self, "_viewControllerTransitionView");
6904 }
6905
6906 - (void) dropBar:(BOOL)animated {
6907     if (dropped_)
6908         return;
6909     dropped_ = true;
6910
6911     UIView *transition([self transitionView]);
6912     [[self view] addSubview:refreshbar_];
6913
6914     CGRect barframe([refreshbar_ frame]);
6915
6916     if (kCFCoreFoundationVersionNumber >= kCFCoreFoundationVersionNumber_iPhoneOS_3_0) // XXX: _UIApplicationLinkedOnOrAfter(4)
6917         barframe.origin.y = [self statusBarHeight];
6918     else
6919         barframe.origin.y = 0;
6920
6921     [refreshbar_ setFrame:barframe];
6922
6923     if (animated)
6924         [UIView beginAnimations:nil context:NULL];
6925
6926     CGRect viewframe = [transition frame];
6927     viewframe.origin.y += barframe.size.height;
6928     viewframe.size.height -= barframe.size.height;
6929     [transition setFrame:viewframe];
6930
6931     if (animated)
6932         [UIView commitAnimations];
6933
6934     // Ensure bar has the proper width for our view, it might have changed
6935     barframe.size.width = viewframe.size.width;
6936     [refreshbar_ setFrame:barframe];
6937
6938     // XXX: fix Apple's layout bug
6939     [[root_ selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
6940 }
6941
6942 - (void) raiseBar:(BOOL)animated {
6943     if (!dropped_)
6944         return;
6945     dropped_ = false;
6946
6947     UIView *transition([self transitionView]);
6948     [refreshbar_ removeFromSuperview];
6949
6950     CGRect barframe([refreshbar_ frame]);
6951
6952     if (animated)
6953         [UIView beginAnimations:nil context:NULL];
6954
6955     CGRect viewframe = [transition frame];
6956     viewframe.origin.y -= barframe.size.height;
6957     viewframe.size.height += barframe.size.height;
6958     [transition setFrame:viewframe];
6959
6960     if (animated)
6961         [UIView commitAnimations];
6962
6963     // XXX: fix Apple's layout bug
6964     // SRK [[self selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
6965 }
6966
6967 #if 0
6968 - (void) willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation duration:(NSTimeInterval)duration {
6969     // XXX: fix Apple's layout bug
6970     // SRK [[self selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
6971 }
6972 #endif
6973
6974 - (void) didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
6975     bool dropped(dropped_);
6976
6977     if (dropped)
6978         [self raiseBar:NO];
6979
6980     [super didRotateFromInterfaceOrientation:fromInterfaceOrientation];
6981
6982     if (dropped)
6983         [self dropBar:NO];
6984
6985     // XXX: fix Apple's layout bug
6986     // SRK [[self selectedViewController] _updateLayoutForStatusBarAndInterfaceOrientation];
6987 }
6988
6989 - (void) statusBarFrameChanged:(NSNotification *)notification {
6990     if (dropped_) {
6991         [self raiseBar:NO];
6992         [self dropBar:NO];
6993     }
6994 }
6995
6996 @end
6997 /* }}} */
6998 /* Cydia Navigation Controller {{{ */
6999 @interface CYNavigationController : UINavigationController {
7000     _transient Database *database_;
7001     _transient id<UINavigationControllerDelegate> delegate_;
7002 }
7003
7004 - (NSArray *) navigationURLCollection;
7005 - (id) initWithDatabase:(Database *)database;
7006 - (void) reloadData;
7007
7008 @end
7009
7010
7011 @implementation CYNavigationController
7012
7013 - (NSArray *) navigationURLCollection {
7014     NSMutableArray *stack([NSMutableArray array]);
7015
7016     for (CYViewController *controller in [self viewControllers]) {
7017         NSString *url = [[controller navigationURL] absoluteString];
7018         if (url != nil)
7019             [stack addObject:url];
7020     }
7021
7022     return stack;
7023 }
7024
7025 - (void) reloadData {
7026     for (CYViewController *page in [self viewControllers]) {
7027         // Only reload controllers that have already loaded.
7028         // This prevents a page from accidentally loading too
7029         // early if it hasn't been shown on the screen yet.
7030         if ([page hasLoaded])
7031             [page reloadData];
7032     }
7033 }
7034
7035 - (void) setDelegate:(id<UINavigationControllerDelegate>)delegate {
7036     delegate_ = delegate;
7037 }
7038
7039 - (id) initWithDatabase:(Database *)database {
7040     if ((self = [super init]) != nil) {
7041         database_ = database;
7042     } return self;
7043 }
7044
7045 @end
7046 /* }}} */
7047
7048 /* Cydia:// Protocol {{{ */
7049 @interface CydiaURLProtocol : NSURLProtocol {
7050 }
7051
7052 @end
7053
7054 @implementation CydiaURLProtocol
7055
7056 + (BOOL) canInitWithRequest:(NSURLRequest *)request {
7057     NSURL *url([request URL]);
7058     if (url == nil)
7059         return NO;
7060
7061     NSString *scheme([[url scheme] lowercaseString]);
7062     if (scheme != nil && [scheme isEqualToString:@"cydia"])
7063         return YES;
7064     if ([[url absoluteString] hasPrefix:@"about:cydia-"])
7065         return YES;
7066
7067     return NO;
7068 }
7069
7070 + (NSURLRequest *) canonicalRequestForRequest:(NSURLRequest *)request {
7071     return request;
7072 }
7073
7074 - (void) _returnPNGWithImage:(UIImage *)icon forRequest:(NSURLRequest *)request {
7075     id<NSURLProtocolClient> client([self client]);
7076     if (icon == nil)
7077         [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorFileDoesNotExist userInfo:nil]];
7078     else {
7079         NSData *data(UIImagePNGRepresentation(icon));
7080
7081         NSURLResponse *response([[[NSURLResponse alloc] initWithURL:[request URL] MIMEType:@"image/png" expectedContentLength:-1 textEncodingName:nil] autorelease]);
7082         [client URLProtocol:self didReceiveResponse:response cacheStoragePolicy:NSURLCacheStorageNotAllowed];
7083         [client URLProtocol:self didLoadData:data];
7084         [client URLProtocolDidFinishLoading:self];
7085     }
7086 }
7087
7088 - (void) startLoading {
7089     id<NSURLProtocolClient> client([self client]);
7090     NSURLRequest *request([self request]);
7091
7092     NSURL *url([request URL]);
7093     NSString *href([url absoluteString]);
7094     NSString *scheme([[url scheme] lowercaseString]);
7095
7096     NSString *path;
7097
7098     if ([scheme isEqualToString:@"cydia"])
7099         path = [href substringFromIndex:8];
7100     else if ([scheme isEqualToString:@"about"])
7101         path = [href substringFromIndex:12];
7102     else _assert(false);
7103
7104     NSRange slash([path rangeOfString:@"/"]);
7105
7106     NSString *command;
7107     if (slash.location == NSNotFound) {
7108         command = path;
7109         path = nil;
7110     } else {
7111         command = [path substringToIndex:slash.location];
7112         path = [path substringFromIndex:(slash.location + 1)];
7113     }
7114
7115     Database *database([Database sharedInstance]);
7116
7117     if ([command isEqualToString:@"package-icon"]) {
7118         if (path == nil)
7119             goto fail;
7120         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7121         Package *package([database packageWithName:path]);
7122         if (package == nil)
7123             goto fail;
7124         UIImage *icon([package icon]);
7125         [self _returnPNGWithImage:icon forRequest:request];
7126     } else if ([command isEqualToString:@"source-icon"]) {
7127         if (path == nil)
7128             goto fail;
7129         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7130         NSString *source(Simplify(path));
7131         UIImage *icon([UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sources/%@.png", App_, source]]);
7132         if (icon == nil)
7133             icon = [UIImage applicationImageNamed:@"unknown.png"];
7134         [self _returnPNGWithImage:icon forRequest:request];
7135     } else if ([command isEqualToString:@"uikit-image"]) {
7136         if (path == nil)
7137             goto fail;
7138         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7139         UIImage *icon(_UIImageWithName(path));
7140         [self _returnPNGWithImage:icon forRequest:request];
7141     } else if ([command isEqualToString:@"section-icon"]) {
7142         if (path == nil)
7143             goto fail;
7144         path = [path stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
7145         NSString *section(Simplify(path));
7146         UIImage *icon([UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, section]]);
7147         if (icon == nil)
7148             icon = [UIImage applicationImageNamed:@"unknown.png"];
7149         [self _returnPNGWithImage:icon forRequest:request];
7150     } else fail: {
7151         [client URLProtocol:self didFailWithError:[NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorResourceUnavailable userInfo:nil]];
7152     }
7153 }
7154
7155 - (void) stopLoading {
7156 }
7157
7158 @end
7159 /* }}} */
7160
7161 /* Section Controller {{{ */
7162 @interface SectionController : FilteredPackageListController {
7163     _H<NSString> section_;
7164 }
7165
7166 - (id) initWithDatabase:(Database *)database section:(NSString *)section;
7167
7168 @end
7169
7170 @implementation SectionController
7171
7172 - (NSURL *) navigationURL {
7173     NSString *name = section_;
7174     if (name == nil)
7175         name = @"all";
7176
7177     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sections/%@", name]];
7178 }
7179
7180 - (id) initWithDatabase:(Database *)database section:(NSString *)name {
7181     NSString *title;
7182     if (name == nil)
7183         title = UCLocalize("ALL_PACKAGES");
7184     else if (![name isEqual:@""])
7185         title = [[NSBundle mainBundle] localizedStringForKey:Simplify(name) value:nil table:@"Sections"];
7186     else
7187         title = UCLocalize("NO_SECTION");
7188
7189     if ((self = [super initWithDatabase:database title:title filter:@selector(isVisibleInSection:) with:name]) != nil) {
7190         section_ = name;
7191     } return self;
7192 }
7193
7194 @end
7195 /* }}} */
7196 /* Sections Controller {{{ */
7197 @interface SectionsController : CYViewController <
7198     UITableViewDataSource,
7199     UITableViewDelegate
7200 > {
7201     _transient Database *database_;
7202     NSMutableArray *sections_;
7203     NSMutableArray *filtered_;
7204     UITableView *list_;
7205     BOOL editing_;
7206 }
7207
7208 - (id) initWithDatabase:(Database *)database;
7209 - (void) editButtonClicked;
7210
7211 @end
7212
7213 @implementation SectionsController
7214
7215 - (void) dealloc {
7216     [self releaseSubviews];
7217     [sections_ release];
7218     [filtered_ release];
7219
7220     [super dealloc];
7221 }
7222
7223 - (NSURL *) navigationURL {
7224     return [NSURL URLWithString:@"cydia://sections"];
7225 }
7226
7227 - (void) updateNavigationItem {
7228     [[self navigationItem] setTitle:editing_ ? UCLocalize("SECTION_VISIBILITY") : UCLocalize("SECTIONS")];
7229     if ([sections_ count] == 0) {
7230         [[self navigationItem] setRightBarButtonItem:nil];
7231     } else {
7232         [[self navigationItem] setRightBarButtonItem:[[UIBarButtonItem alloc]
7233             initWithBarButtonSystemItem:(editing_ ? UIBarButtonSystemItemDone : UIBarButtonSystemItemEdit)
7234             target:self
7235             action:@selector(editButtonClicked)
7236         ] animated:([[self navigationItem] rightBarButtonItem] != nil)];
7237     }
7238 }
7239
7240 - (BOOL) isEditing {
7241     return editing_;
7242 }
7243
7244 - (void) setEditing:(BOOL)editing {
7245     if ((editing_ = editing))
7246         [list_ reloadData];
7247     else
7248         [delegate_ updateData];
7249
7250     [self updateNavigationItem];
7251 }
7252
7253 - (void) viewDidAppear:(BOOL)animated {
7254     [super viewDidAppear:animated];
7255     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
7256 }
7257
7258 - (void) viewWillDisappear:(BOOL)animated {
7259     [super viewWillDisappear:animated];
7260     if (editing_) [self setEditing:NO];
7261 }
7262
7263 - (Section *) sectionAtIndexPath:(NSIndexPath *)indexPath {
7264     Section *section = (editing_ ? [sections_ objectAtIndex:[indexPath row]] : ([indexPath row] == 0 ? nil : [filtered_ objectAtIndex:([indexPath row] - 1)]));
7265     return section;
7266 }
7267
7268 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7269     return editing_ ? [sections_ count] : [filtered_ count] + 1;
7270 }
7271
7272 /*- (CGFloat) tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {
7273     return 45.0f;
7274 }*/
7275
7276 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7277     static NSString *reuseIdentifier = @"SectionCell";
7278
7279     SectionCell *cell = (SectionCell *)[tableView dequeueReusableCellWithIdentifier:reuseIdentifier];
7280     if (cell == nil)
7281         cell = [[[SectionCell alloc] initWithFrame:CGRectZero reuseIdentifier:reuseIdentifier] autorelease];
7282
7283     [cell setSection:[self sectionAtIndexPath:indexPath] editing:editing_];
7284
7285     return cell;
7286 }
7287
7288 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
7289     if (editing_)
7290         return;
7291
7292     Section *section = [self sectionAtIndexPath:indexPath];
7293
7294     SectionController *controller = [[[SectionController alloc]
7295         initWithDatabase:database_
7296         section:[section name]
7297     ] autorelease];
7298     [controller setDelegate:delegate_];
7299
7300     [[self navigationController] pushViewController:controller animated:YES];
7301 }
7302
7303 - (void) loadView {
7304     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7305
7306     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds]];
7307     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7308     [list_ setRowHeight:45.0f];
7309     [list_ setDataSource:self];
7310     [list_ setDelegate:self];
7311     [[self view] addSubview:list_];
7312 }
7313
7314 - (void) viewDidLoad {
7315     [[self navigationItem] setTitle:UCLocalize("SECTIONS")];
7316 }
7317
7318 - (void) releaseSubviews {
7319     [list_ release];
7320     list_ = nil;
7321 }
7322
7323 - (id) initWithDatabase:(Database *)database {
7324     if ((self = [super init]) != nil) {
7325         database_ = database;
7326
7327         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
7328         filtered_ = [[NSMutableArray arrayWithCapacity:16] retain];
7329     } return self;
7330 }
7331
7332 - (void) reloadData {
7333     [super reloadData];
7334
7335     NSArray *packages = [database_ packages];
7336
7337     [sections_ removeAllObjects];
7338     [filtered_ removeAllObjects];
7339
7340     NSMutableDictionary *sections([NSMutableDictionary dictionaryWithCapacity:32]);
7341
7342     _trace();
7343     for (Package *package in packages) {
7344         NSString *name([package section]);
7345         NSString *key(name == nil ? @"" : name);
7346
7347         Section *section;
7348
7349         _profile(SectionsView$reloadData$Section)
7350             section = [sections objectForKey:key];
7351             if (section == nil) {
7352                 _profile(SectionsView$reloadData$Section$Allocate)
7353                     section = [[[Section alloc] initWithName:key localize:YES] autorelease];
7354                     [sections setObject:section forKey:key];
7355                 _end
7356             }
7357         _end
7358
7359         [section addToCount];
7360
7361         _profile(SectionsView$reloadData$Filter)
7362             if (![package valid] || ![package visible])
7363                 continue;
7364         _end
7365
7366         [section addToRow];
7367     }
7368     _trace();
7369
7370     [sections_ addObjectsFromArray:[sections allValues]];
7371
7372     [sections_ sortUsingSelector:@selector(compareByLocalized:)];
7373
7374     for (Section *section in sections_) {
7375         size_t count([section row]);
7376         if (count == 0)
7377             continue;
7378
7379         section = [[[Section alloc] initWithName:[section name] localized:[section localized]] autorelease];
7380         [section setCount:count];
7381         [filtered_ addObject:section];
7382     }
7383
7384     [self updateNavigationItem];
7385     [list_ reloadData];
7386     _trace();
7387 }
7388
7389 - (void) editButtonClicked {
7390     [self setEditing:(!editing_)];
7391 }
7392
7393 @end
7394 /* }}} */
7395
7396 /* Changes Controller {{{ */
7397 @interface ChangesController : CYViewController <
7398     UITableViewDataSource,
7399     UITableViewDelegate
7400 > {
7401     _transient Database *database_;
7402     unsigned era_;
7403     CFMutableArrayRef packages_;
7404     NSMutableArray *sections_;
7405     UITableView *list_;
7406     unsigned upgrades_;
7407     BOOL hasSentFirstLoad_;
7408 }
7409
7410 - (id) initWithDatabase:(Database *)database;
7411
7412 @end
7413
7414 @implementation ChangesController
7415
7416 - (void) dealloc {
7417     [self releaseSubviews];
7418     CFRelease(packages_);
7419     [sections_ release];
7420
7421     [super dealloc];
7422 }
7423
7424 - (NSURL *) navigationURL {
7425     return [NSURL URLWithString:@"cydia://changes"];
7426 }
7427
7428 - (void) viewWillAppear:(BOOL)animated {
7429     // Loads after it appears, so don't load beforehand.
7430     loaded_ = YES;
7431     [super viewWillAppear:animated];
7432 }
7433
7434 - (void) viewDidAppear:(BOOL)animated {
7435     [super viewDidAppear:animated];
7436
7437     if (!hasSentFirstLoad_) {
7438         hasSentFirstLoad_ = YES;
7439         [self performSelector:@selector(reloadData) withObject:nil afterDelay:0.0];
7440     } else {
7441         [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
7442     }
7443 }
7444
7445 - (NSInteger) numberOfSectionsInTableView:(UITableView *)list {
7446     NSInteger count([sections_ count]);
7447     return count == 0 ? 1 : count;
7448 }
7449
7450 - (NSString *) tableView:(UITableView *)list titleForHeaderInSection:(NSInteger)section {
7451     if ([sections_ count] == 0)
7452         return nil;
7453     return [[sections_ objectAtIndex:section] name];
7454 }
7455
7456 - (NSInteger) tableView:(UITableView *)list numberOfRowsInSection:(NSInteger)section {
7457     if ([sections_ count] == 0)
7458         return 0;
7459     return [[sections_ objectAtIndex:section] count];
7460 }
7461
7462 - (Package *) packageAtIndex:(NSUInteger)index {
7463     return (Package *) CFArrayGetValueAtIndex(packages_, index);
7464 }
7465
7466 - (Package *) packageAtIndexPath:(NSIndexPath *)path {
7467 @synchronized (database_) {
7468     if ([database_ era] != era_)
7469         return nil;
7470
7471     NSUInteger sectionIndex([path section]);
7472     if (sectionIndex >= [sections_ count])
7473         return nil;
7474     Section *section([sections_ objectAtIndex:sectionIndex]);
7475     NSInteger row([path row]);
7476     return [[[self packageAtIndex:([section row] + row)] retain] autorelease];
7477 } }
7478
7479 - (UITableViewCell *) tableView:(UITableView *)table cellForRowAtIndexPath:(NSIndexPath *)path {
7480     PackageCell *cell((PackageCell *) [table dequeueReusableCellWithIdentifier:@"Package"]);
7481     if (cell == nil)
7482         cell = [[[PackageCell alloc] init] autorelease];
7483     [cell setPackage:[self packageAtIndexPath:path]];
7484     return cell;
7485 }
7486
7487 - (NSIndexPath *) tableView:(UITableView *)table willSelectRowAtIndexPath:(NSIndexPath *)path {
7488     Package *package([self packageAtIndexPath:path]);
7489     CYPackageController *view([[[CYPackageController alloc] initWithDatabase:database_ forPackage:[package id]] autorelease]);
7490     [view setDelegate:delegate_];
7491     [[self navigationController] pushViewController:view animated:YES];
7492     return path;
7493 }
7494
7495 - (void) refreshButtonClicked {
7496     [delegate_ beginUpdate];
7497     [[self navigationItem] setLeftBarButtonItem:nil animated:YES];
7498 }
7499
7500 - (void) upgradeButtonClicked {
7501     [delegate_ distUpgrade];
7502 }
7503
7504 - (void) loadView {
7505     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7506
7507     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain];
7508     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7509     [list_ setRowHeight:73];
7510     [list_ setDataSource:self];
7511     [list_ setDelegate:self];
7512     [[self view] addSubview:list_];
7513 }
7514
7515 - (void) viewDidLoad {
7516     [[self navigationItem] setTitle:UCLocalize("CHANGES")];
7517 }
7518
7519 - (void) releaseSubviews {
7520     [list_ release];
7521     list_ = nil;
7522 }
7523
7524 - (id) initWithDatabase:(Database *)database {
7525     if ((self = [super init]) != nil) {
7526         database_ = database;
7527
7528         packages_ = CFArrayCreateMutable(kCFAllocatorDefault, 0, NULL);
7529         sections_ = [[NSMutableArray arrayWithCapacity:16] retain];
7530     } return self;
7531 }
7532
7533 // this mostly works because reloadData (below) is @synchronized (database_)
7534 // XXX: that said, I've been running into problems with NSRangeExceptions :(
7535 - (void) _reloadPackages:(NSArray *)packages {
7536     CFRelease(packages_);
7537     packages_ = CFArrayCreateMutable(kCFAllocatorDefault, [packages count], NULL);
7538
7539     _trace();
7540     _profile(ChangesController$_reloadPackages$Filter)
7541         for (Package *package in packages)
7542             if ([package upgradableAndEssential:YES] || [package visible])
7543                 CFArrayAppendValue(packages_, package);
7544     _end
7545     _trace();
7546     _profile(ChangesController$_reloadPackages$radixSort)
7547         [(NSMutableArray *) packages_ radixSortUsingFunction:reinterpret_cast<SKRadixFunction>(&PackageChangesRadix) withContext:NULL];
7548     _end
7549     _trace();
7550 }
7551
7552 - (void) reloadData {
7553 @synchronized (database_) {
7554     era_ = [database_ era];
7555     NSArray *packages = [database_ packages];
7556
7557     [sections_ removeAllObjects];
7558
7559 #if 1
7560     UIProgressHUD *hud([delegate_ addProgressHUD]);
7561     [hud setText:UCLocalize("LOADING")];
7562     //NSLog(@"HUD:%@::%@", delegate_, hud);
7563     [self yieldToSelector:@selector(_reloadPackages:) withObject:packages];
7564     [delegate_ removeProgressHUD:hud];
7565 #else
7566     [self _reloadPackages:packages];
7567 #endif
7568
7569     Section *upgradable = [[[Section alloc] initWithName:UCLocalize("AVAILABLE_UPGRADES") localize:NO] autorelease];
7570     Section *ignored = nil;
7571     Section *section = nil;
7572     time_t last = 0;
7573
7574     upgrades_ = 0;
7575     bool unseens = false;
7576
7577     CFDateFormatterRef formatter(CFDateFormatterCreate(NULL, Locale_, kCFDateFormatterMediumStyle, kCFDateFormatterMediumStyle));
7578
7579     for (size_t offset = 0, count = CFArrayGetCount(packages_); offset != count; ++offset) {
7580         Package *package = [self packageAtIndex:offset];
7581
7582         BOOL uae = [package upgradableAndEssential:YES];
7583
7584         if (!uae) {
7585             unseens = true;
7586             time_t seen([package seen]);
7587
7588             if (section == nil || last != seen) {
7589                 last = seen;
7590
7591                 NSString *name;
7592                 name = (NSString *) CFDateFormatterCreateStringWithDate(NULL, formatter, (CFDateRef) [NSDate dateWithTimeIntervalSince1970:seen]);
7593                 [name autorelease];
7594
7595                 _profile(ChangesController$reloadData$Allocate)
7596                     name = [NSString stringWithFormat:UCLocalize("NEW_AT"), name];
7597                     section = [[[Section alloc] initWithName:name row:offset localize:NO] autorelease];
7598                     [sections_ addObject:section];
7599                 _end
7600             }
7601
7602             [section addToCount];
7603         } else if ([package ignored]) {
7604             if (ignored == nil) {
7605                 ignored = [[[Section alloc] initWithName:UCLocalize("IGNORED_UPGRADES") row:offset localize:NO] autorelease];
7606             }
7607             [ignored addToCount];
7608         } else {
7609             ++upgrades_;
7610             [upgradable addToCount];
7611         }
7612     }
7613     _trace();
7614
7615     CFRelease(formatter);
7616
7617     if (unseens) {
7618         Section *last = [sections_ lastObject];
7619         size_t count = [last count];
7620         CFArrayReplaceValues(packages_, CFRangeMake(CFArrayGetCount(packages_) - count, count), NULL, 0);
7621         [sections_ removeLastObject];
7622     }
7623
7624     if ([ignored count] != 0)
7625         [sections_ insertObject:ignored atIndex:0];
7626     if (upgrades_ != 0)
7627         [sections_ insertObject:upgradable atIndex:0];
7628
7629     [list_ reloadData];
7630
7631     if (upgrades_ > 0)
7632         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
7633             initWithTitle:[NSString stringWithFormat:UCLocalize("PARENTHETICAL"), UCLocalize("UPGRADE"), [NSString stringWithFormat:@"%u", upgrades_]]
7634             style:UIBarButtonItemStylePlain
7635             target:self
7636             action:@selector(upgradeButtonClicked)
7637         ] autorelease]];
7638
7639     if (![delegate_ updating])
7640         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
7641             initWithTitle:UCLocalize("REFRESH")
7642             style:UIBarButtonItemStylePlain
7643             target:self
7644             action:@selector(refreshButtonClicked)
7645         ] autorelease]];
7646
7647     PrintTimes();
7648 } }
7649
7650 @end
7651 /* }}} */
7652 /* Search Controller {{{ */
7653 @interface SearchController : FilteredPackageListController <
7654     UISearchBarDelegate
7655 > {
7656     _H<UISearchBar> search_;
7657     BOOL searchloaded_;
7658 }
7659
7660 - (id) initWithDatabase:(Database *)database;
7661 - (void) setSearchTerm:(NSString *)term;
7662 - (void) reloadData;
7663
7664 @end
7665
7666 @implementation SearchController
7667
7668 - (void) dealloc {
7669     [search_ setDelegate:nil];
7670     [super dealloc];
7671 }
7672
7673 - (NSURL *) navigationURL {
7674     if ([search_ text] == nil || [[search_ text] isEqualToString:@""])
7675         return [NSURL URLWithString:@"cydia://search"];
7676     else
7677         return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://search/%@", [search_ text]]];
7678 }
7679
7680 - (void) setSearchTerm:(NSString *)searchTerm {
7681     [search_ setText:searchTerm];
7682     [self reloadData];
7683 }
7684
7685 - (void) searchBarSearchButtonClicked:(UISearchBar *)searchBar {
7686     [self setObject:[search_ text] forFilter:@selector(isUnfilteredAndSearchedForBy:)];
7687     [search_ resignFirstResponder];
7688     [self reloadData];
7689 }
7690
7691 - (void) searchBar:(UISearchBar *)searchBar textDidChange:(NSString *)text {
7692     [self setObject:text forFilter:@selector(isUnfilteredAndSelectedForBy:)];
7693     [self reloadData];
7694 }
7695
7696 - (id) initWithDatabase:(Database *)database {
7697     if ((self = [super initWithDatabase:database title:UCLocalize("SEARCH") filter:@selector(isUnfilteredAndSearchedForBy:) with:nil])) {
7698         search_ = [[[UISearchBar alloc] init] autorelease];
7699         [search_ setDelegate:self];
7700     } return self;
7701 }
7702
7703 - (void) viewDidAppear:(BOOL)animated {
7704     [super viewDidAppear:animated];
7705
7706     if (!searchloaded_) {
7707         searchloaded_ = YES;
7708         [search_ setFrame:CGRectMake(0, 0, [[self view] bounds].size.width, 44.0f)];
7709         [search_ layoutSubviews];
7710         [search_ setPlaceholder:UCLocalize("SEARCH_EX")];
7711
7712         UITextField *textField;
7713         if ([search_ respondsToSelector:@selector(searchField)])
7714             textField = [search_ searchField];
7715         else
7716             textField = MSHookIvar<UITextField *>(search_, "_searchField");
7717
7718         [textField setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
7719         [textField setEnablesReturnKeyAutomatically:NO];
7720         [[self navigationItem] setTitleView:textField];
7721     }
7722 }
7723
7724 - (void) reloadData {
7725     [self setObject:[search_ text]];
7726     [super reloadData];
7727     [self resetCursor];
7728 }
7729
7730 - (void) didSelectPackage:(Package *)package {
7731     [search_ resignFirstResponder];
7732     [super didSelectPackage:package];
7733 }
7734
7735 @end
7736 /* }}} */
7737 /* Package Settings Controller {{{ */
7738 @interface PackageSettingsController : CYViewController <
7739     UITableViewDataSource,
7740     UITableViewDelegate
7741 > {
7742     _transient Database *database_;
7743     NSString *name_;
7744     Package *package_;
7745     UITableView *table_;
7746     UISwitch *subscribedSwitch_;
7747     UISwitch *ignoredSwitch_;
7748     UITableViewCell *subscribedCell_;
7749     UITableViewCell *ignoredCell_;
7750 }
7751
7752 - (id) initWithDatabase:(Database *)database package:(NSString *)package;
7753
7754 @end
7755
7756 @implementation PackageSettingsController
7757
7758 - (void) dealloc {
7759     [self releaseSubviews];
7760     [name_ release];
7761     [package_ release];
7762
7763     [super dealloc];
7764 }
7765
7766 - (NSURL *) navigationURL {
7767     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://package/%@/settings", [package_ id]]];
7768 }
7769
7770 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
7771     if (package_ == nil)
7772         return 0;
7773
7774     if ([package_ installed] == nil)
7775         return 1;
7776     else
7777         return 2;
7778 }
7779
7780 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
7781     if (package_ == nil)
7782         return 0;
7783
7784     // both sections contain just one item right now.
7785     return 1;
7786 }
7787
7788 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
7789     return nil;
7790 }
7791
7792 - (NSString *) tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
7793     if (section == 0)
7794         return UCLocalize("SHOW_ALL_CHANGES_EX");
7795     else
7796         return UCLocalize("IGNORE_UPGRADES_EX");
7797 }
7798
7799 - (void) onSubscribed:(id)control {
7800     bool value([control isOn]);
7801     if (package_ == nil)
7802         return;
7803     if ([package_ setSubscribed:value])
7804         [delegate_ updateData];
7805 }
7806
7807 - (void) _updateIgnored {
7808     const char *package([name_ UTF8String]);
7809     bool on([ignoredSwitch_ isOn]);
7810
7811     pid_t pid(ExecFork());
7812     if (pid == 0) {
7813         FILE *dpkg(popen("dpkg --set-selections", "w"));
7814         fwrite(package, strlen(package), 1, dpkg);
7815
7816         if (on)
7817             fwrite(" hold\n", 6, 1, dpkg);
7818         else
7819             fwrite(" install\n", 9, 1, dpkg);
7820
7821         pclose(dpkg);
7822
7823         exit(0);
7824         _assert(false);
7825     }
7826
7827     _forever {
7828         int status;
7829         int result(waitpid(pid, &status, 0));
7830
7831         if (result != -1) {
7832             _assert(result == pid);
7833             break;
7834         }
7835     }
7836 }
7837
7838 - (void) onIgnored:(id)control {
7839     NSInvocation *invocation([NSInvocation invocationWithMethodSignature:[self methodSignatureForSelector:@selector(_updateIgnored)]]);
7840     [invocation setTarget:self];
7841     [invocation setSelector:@selector(_updateIgnored)];
7842
7843     [delegate_ reloadDataWithInvocation:invocation];
7844 }
7845
7846 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
7847     if (package_ == nil)
7848         return nil;
7849
7850     switch ([indexPath section]) {
7851         case 0: return subscribedCell_;
7852         case 1: return ignoredCell_;
7853
7854         _nodefault
7855     }
7856
7857     return nil;
7858 }
7859
7860 - (void) loadView {
7861     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
7862
7863     table_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped];
7864     [table_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
7865     [table_ setDataSource:self];
7866     [table_ setDelegate:self];
7867     [[self view] addSubview:table_];
7868
7869     subscribedSwitch_ = [[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)];
7870     [subscribedSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
7871     [subscribedSwitch_ addTarget:self action:@selector(onSubscribed:) forEvents:UIControlEventValueChanged];
7872
7873     ignoredSwitch_ = [[UISwitch alloc] initWithFrame:CGRectMake(0, 0, 50, 20)];
7874     [ignoredSwitch_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin];
7875     [ignoredSwitch_ addTarget:self action:@selector(onIgnored:) forEvents:UIControlEventValueChanged];
7876
7877     subscribedCell_ = [[UITableViewCell alloc] init];
7878     [subscribedCell_ setText:UCLocalize("SHOW_ALL_CHANGES")];
7879     [subscribedCell_ setAccessoryView:subscribedSwitch_];
7880     [subscribedCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
7881
7882     ignoredCell_ = [[UITableViewCell alloc] init];
7883     [ignoredCell_ setText:UCLocalize("IGNORE_UPGRADES")];
7884     [ignoredCell_ setAccessoryView:ignoredSwitch_];
7885     [ignoredCell_ setSelectionStyle:UITableViewCellSelectionStyleNone];
7886 }
7887
7888 - (void) viewDidLoad {
7889     [[self navigationItem] setTitle:UCLocalize("SETTINGS")];
7890 }
7891
7892 - (void) releaseSubviews {
7893     [ignoredCell_ release];
7894     ignoredCell_ = nil;
7895
7896     [subscribedCell_ release];
7897     subscribedCell_ = nil;
7898
7899     [table_ release];
7900     table_ = nil;
7901
7902     [ignoredSwitch_ release];
7903     ignoredSwitch_ = nil;
7904
7905     [subscribedSwitch_ release];
7906     subscribedSwitch_ = nil;
7907 }
7908
7909 - (id) initWithDatabase:(Database *)database package:(NSString *)package {
7910     if ((self = [super init]) != nil) {
7911         database_ = database;
7912         name_ = [package retain];
7913     } return self;
7914 }
7915
7916 - (void) reloadData {
7917     [super reloadData];
7918
7919     if (package_ != nil)
7920         [package_ autorelease];
7921     package_ = [database_ packageWithName:name_];
7922
7923     if (package_ != nil) {
7924         package_ = [package_ retain];
7925         [subscribedSwitch_ setOn:([package_ subscribed] ? 1 : 0) animated:NO];
7926         [ignoredSwitch_ setOn:([package_ ignored] ? 1 : 0) animated:NO];
7927     } // XXX: what now, G?
7928
7929     [table_ reloadData];
7930 }
7931
7932 @end
7933 /* }}} */
7934
7935 /* Installed Controller {{{ */
7936 @interface InstalledController : FilteredPackageListController {
7937     BOOL expert_;
7938 }
7939
7940 - (id) initWithDatabase:(Database *)database;
7941
7942 - (void) updateRoleButton;
7943 - (void) queueStatusDidChange;
7944
7945 @end
7946
7947 @implementation InstalledController
7948
7949 - (void) dealloc {
7950     [super dealloc];
7951 }
7952
7953 - (NSURL *) navigationURL {
7954     return [NSURL URLWithString:@"cydia://installed"];
7955 }
7956
7957 - (id) initWithDatabase:(Database *)database {
7958     if ((self = [super initWithDatabase:database title:UCLocalize("INSTALLED") filter:@selector(isInstalledAndUnfiltered:) with:[NSNumber numberWithBool:YES]]) != nil) {
7959         [self updateRoleButton];
7960         [self queueStatusDidChange];
7961     } return self;
7962 }
7963
7964 #if !AlwaysReload
7965 - (void) queueButtonClicked {
7966     [delegate_ queue];
7967 }
7968 #endif
7969
7970 - (void) queueStatusDidChange {
7971 #if !AlwaysReload
7972     if (IsWildcat_) {
7973         if (Queuing_) {
7974             [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
7975                 initWithTitle:UCLocalize("QUEUE")
7976                 style:UIBarButtonItemStyleDone
7977                 target:self
7978                 action:@selector(queueButtonClicked)
7979             ] autorelease]];
7980         } else {
7981             [[self navigationItem] setLeftBarButtonItem:nil];
7982         }
7983     }
7984 #endif
7985 }
7986
7987 - (void) updateRoleButton {
7988     if (Role_ != nil && ![Role_ isEqualToString:@"Developer"])
7989         [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
7990             initWithTitle:(expert_ ? UCLocalize("EXPERT") : UCLocalize("SIMPLE"))
7991             style:(expert_ ? UIBarButtonItemStyleDone : UIBarButtonItemStylePlain)
7992             target:self
7993             action:@selector(roleButtonClicked)
7994         ] autorelease]];
7995 }
7996
7997 - (void) roleButtonClicked {
7998     [self setObject:[NSNumber numberWithBool:expert_]];
7999     [self reloadData];
8000     expert_ = !expert_;
8001
8002     [self updateRoleButton];
8003 }
8004
8005 @end
8006 /* }}} */
8007
8008 /* Source Cell {{{ */
8009 @interface SourceCell : CYTableViewCell <
8010     ContentDelegate
8011 > {
8012     UIImage *icon_;
8013     NSString *origin_;
8014     NSString *label_;
8015 }
8016
8017 - (void) setSource:(Source *)source;
8018
8019 @end
8020
8021 @implementation SourceCell
8022
8023 - (void) clearSource {
8024     [icon_ release];
8025     [origin_ release];
8026     [label_ release];
8027
8028     icon_ = nil;
8029     origin_ = nil;
8030     label_ = nil;
8031 }
8032
8033 - (void) setSource:(Source *)source {
8034     [self clearSource];
8035
8036     if (icon_ == nil)
8037         icon_ = [UIImage applicationImageNamed:[NSString stringWithFormat:@"Sources/%@.png", [source host]]];
8038     if (icon_ == nil)
8039         icon_ = [UIImage applicationImageNamed:@"unknown.png"];
8040     icon_ = [icon_ retain];
8041
8042     origin_ = [[source name] retain];
8043     label_ = [[source uri] retain];
8044
8045     [content_ setNeedsDisplay];
8046 }
8047
8048 - (void) dealloc {
8049     [self clearSource];
8050     [super dealloc];
8051 }
8052
8053 - (SourceCell *) initWithFrame:(CGRect)frame reuseIdentifier:(NSString *)reuseIdentifier {
8054     if ((self = [super initWithFrame:frame reuseIdentifier:reuseIdentifier]) != nil) {
8055         UIView *content([self contentView]);
8056         CGRect bounds([content bounds]);
8057
8058         content_ = [[ContentView alloc] initWithFrame:bounds];
8059         [content_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8060         [content_ setBackgroundColor:[UIColor whiteColor]];
8061         [content addSubview:content_];
8062
8063         [content_ setDelegate:self];
8064         [content_ setOpaque:YES];
8065     } return self;
8066 }
8067
8068 - (NSString *) accessibilityLabel {
8069     return label_;
8070 }
8071
8072 - (void) drawContentRect:(CGRect)rect {
8073     bool highlighted(highlighted_);
8074     float width(rect.size.width);
8075
8076     if (icon_ != nil)
8077         [icon_ drawInRect:CGRectMake(10, 10, 30, 30)];
8078
8079     if (highlighted)
8080         UISetColor(White_);
8081
8082     if (!highlighted)
8083         UISetColor(Black_);
8084     [origin_ drawAtPoint:CGPointMake(48, 8) forWidth:(width - 80) withFont:Font18Bold_ lineBreakMode:UILineBreakModeTailTruncation];
8085
8086     if (!highlighted)
8087         UISetColor(Blue_);
8088     [label_ drawAtPoint:CGPointMake(58, 29) forWidth:(width - 95) withFont:Font12_ lineBreakMode:UILineBreakModeTailTruncation];
8089 }
8090
8091 @end
8092 /* }}} */
8093 /* Source Controller {{{ */
8094 @interface SourceController : FilteredPackageListController {
8095     _transient Source *source_;
8096     NSString *key_;
8097 }
8098
8099 - (id) initWithDatabase:(Database *)database source:(Source *)source;
8100
8101 @end
8102
8103 @implementation SourceController
8104
8105 - (NSURL *) navigationURL {
8106     return [NSURL URLWithString:[NSString stringWithFormat:@"cydia://sources/%@", [source_ name]]];
8107 }
8108
8109 - (id) initWithDatabase:(Database *)database source:(Source *)source {
8110     if ((self = [super initWithDatabase:database title:[source label] filter:@selector(isVisibleInSource:) with:source]) != nil) {
8111         source_ = source;
8112         key_ = [[source key] retain];
8113     } return self;
8114 }
8115
8116 - (void) reloadData {
8117     source_ = [database_ sourceWithKey:key_];
8118     [key_ release];
8119     key_ = [[source_ key] retain];
8120     [self setObject:source_];
8121     [[self navigationItem] setTitle:[source_ label]];
8122
8123     [super reloadData];
8124 }
8125
8126 @end
8127 /* }}} */
8128 /* Sources Controller {{{ */
8129 @interface SourcesController : CYViewController <
8130     UITableViewDataSource,
8131     UITableViewDelegate
8132 > {
8133     _transient Database *database_;
8134     UITableView *list_;
8135     NSMutableArray *sources_;
8136     int offset_;
8137
8138     NSString *href_;
8139     UIProgressHUD *hud_;
8140     NSError *error_;
8141
8142     //NSURLConnection *installer_;
8143     NSURLConnection *trivial_;
8144     NSURLConnection *trivial_bz2_;
8145     NSURLConnection *trivial_gz_;
8146     //NSURLConnection *automatic_;
8147
8148     BOOL cydia_;
8149 }
8150
8151 - (id) initWithDatabase:(Database *)database;
8152 - (void) updateButtonsForEditingStatus:(BOOL)editing animated:(BOOL)animated;
8153
8154 @end
8155
8156 @implementation SourcesController
8157
8158 - (void) _releaseConnection:(NSURLConnection *)connection {
8159     if (connection != nil) {
8160         [connection cancel];
8161         //[connection setDelegate:nil];
8162         [connection release];
8163     }
8164 }
8165
8166 - (void) dealloc {
8167     [self releaseSubviews];
8168
8169     [href_ release];
8170     [hud_ release];
8171     [error_ release];
8172
8173     //[self _releaseConnection:installer_];
8174     [self _releaseConnection:trivial_];
8175     [self _releaseConnection:trivial_gz_];
8176     [self _releaseConnection:trivial_bz2_];
8177     //[self _releaseConnection:automatic_];
8178
8179     [sources_ release];
8180     [super dealloc];
8181 }
8182
8183 - (NSURL *) navigationURL {
8184     return [NSURL URLWithString:@"cydia://sources"];
8185 }
8186
8187 - (void) viewDidAppear:(BOOL)animated {
8188     [super viewDidAppear:animated];
8189     [list_ deselectRowAtIndexPath:[list_ indexPathForSelectedRow] animated:animated];
8190 }
8191
8192 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
8193     return offset_ == 0 ? 1 : 2;
8194 }
8195
8196 - (NSString *) tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section {
8197     switch (section + (offset_ == 0 ? 1 : 0)) {
8198         case 0: return UCLocalize("ENTERED_BY_USER");
8199         case 1: return UCLocalize("INSTALLED_BY_PACKAGE");
8200
8201         _nodefault
8202     }
8203 }
8204
8205 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
8206     int count = [sources_ count];
8207     switch (section) {
8208         case 0: return (offset_ == 0 ? count : offset_);
8209         case 1: return count - offset_;
8210
8211         _nodefault
8212     }
8213 }
8214
8215 - (Source *) sourceAtIndexPath:(NSIndexPath *)indexPath {
8216     unsigned idx = 0;
8217     switch (indexPath.section) {
8218         case 0: idx = indexPath.row; break;
8219         case 1: idx = indexPath.row + offset_; break;
8220
8221         _nodefault
8222     }
8223     return [sources_ objectAtIndex:idx];
8224 }
8225
8226 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
8227     static NSString *cellIdentifier = @"SourceCell";
8228
8229     SourceCell *cell = (SourceCell *) [tableView dequeueReusableCellWithIdentifier:cellIdentifier];
8230     if(cell == nil) cell = [[[SourceCell alloc] initWithFrame:CGRectZero reuseIdentifier:cellIdentifier] autorelease];
8231     [cell setSource:[self sourceAtIndexPath:indexPath]];
8232     [cell setAccessoryType:UITableViewCellAccessoryDisclosureIndicator];
8233
8234     return cell;
8235 }
8236
8237 - (void) tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
8238     Source *source = [self sourceAtIndexPath:indexPath];
8239
8240     SourceController *controller = [[[SourceController alloc]
8241         initWithDatabase:database_
8242         source:source
8243     ] autorelease];
8244
8245     [controller setDelegate:delegate_];
8246
8247     [[self navigationController] pushViewController:controller animated:YES];
8248 }
8249
8250 - (BOOL) tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath {
8251     Source *source = [self sourceAtIndexPath:indexPath];
8252     return [source record] != nil;
8253 }
8254
8255 - (void) tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath {
8256     Source *source = [self sourceAtIndexPath:indexPath];
8257     [Sources_ removeObjectForKey:[source key]];
8258     [delegate_ syncData];
8259 }
8260
8261 - (void) complete {
8262     [delegate_ addTrivialSource:href_];
8263     [delegate_ syncData];
8264 }
8265
8266 - (NSString *) getWarning {
8267     NSString *href(href_);
8268     NSRange colon([href rangeOfString:@"://"]);
8269     if (colon.location != NSNotFound)
8270         href = [href substringFromIndex:(colon.location + 3)];
8271     href = [href stringByAddingPercentEscapes];
8272     href = [CydiaURL(@"api/repotag/") stringByAppendingString:href];
8273     href = [href stringByCachingURLWithCurrentCDN];
8274
8275     NSURL *url([NSURL URLWithString:href]);
8276
8277     NSStringEncoding encoding;
8278     NSError *error(nil);
8279
8280     if (NSString *warning = [NSString stringWithContentsOfURL:url usedEncoding:&encoding error:&error])
8281         return [warning length] == 0 ? nil : warning;
8282     return nil;
8283 }
8284
8285 - (void) _endConnection:(NSURLConnection *)connection {
8286     // XXX: the memory management in this method is horribly awkward
8287
8288     NSURLConnection **field = NULL;
8289     if (connection == trivial_)
8290         field = &trivial_;
8291     else if (connection == trivial_bz2_)
8292         field = &trivial_bz2_;
8293     else if (connection == trivial_gz_)
8294         field = &trivial_gz_;
8295     _assert(field != NULL);
8296     [connection release];
8297     *field = nil;
8298
8299     if (
8300         trivial_ == nil &&
8301         trivial_bz2_ == nil &&
8302         trivial_gz_ == nil
8303     ) {
8304         bool defer(false);
8305
8306         if (cydia_) {
8307             if (NSString *warning = [self yieldToSelector:@selector(getWarning)]) {
8308                 defer = true;
8309
8310                 UIAlertView *alert = [[[UIAlertView alloc]
8311                     initWithTitle:UCLocalize("SOURCE_WARNING")
8312                     message:warning
8313                     delegate:self
8314                     cancelButtonTitle:UCLocalize("CANCEL")
8315                     otherButtonTitles:
8316                         UCLocalize("ADD_ANYWAY"),
8317                     nil
8318                 ] autorelease];
8319
8320                 [alert setContext:@"warning"];
8321                 [alert setNumberOfRows:1];
8322                 [alert show];
8323             } else
8324                 [self complete];
8325         } else if (error_ != nil) {
8326             UIAlertView *alert = [[[UIAlertView alloc]
8327                 initWithTitle:UCLocalize("VERIFICATION_ERROR")
8328                 message:[error_ localizedDescription]
8329                 delegate:self
8330                 cancelButtonTitle:UCLocalize("OK")
8331                 otherButtonTitles:nil
8332             ] autorelease];
8333
8334             [alert setContext:@"urlerror"];
8335             [alert show];
8336         } else {
8337             UIAlertView *alert = [[[UIAlertView alloc]
8338                 initWithTitle:UCLocalize("NOT_REPOSITORY")
8339                 message:UCLocalize("NOT_REPOSITORY_EX")
8340                 delegate:self
8341                 cancelButtonTitle:UCLocalize("OK")
8342                 otherButtonTitles:nil
8343             ] autorelease];
8344
8345             [alert setContext:@"trivial"];
8346             [alert show];
8347         }
8348
8349         [delegate_ releaseNetworkActivityIndicator];
8350
8351         [delegate_ removeProgressHUD:hud_];
8352         [hud_ autorelease];
8353         hud_ = nil;
8354
8355         if (!defer) {
8356             [href_ release];
8357             href_ = nil;
8358         }
8359
8360         if (error_ != nil) {
8361             [error_ release];
8362             error_ = nil;
8363         }
8364     }
8365 }
8366
8367 - (void) connection:(NSURLConnection *)connection didReceiveResponse:(NSHTTPURLResponse *)response {
8368     switch ([response statusCode]) {
8369         case 200:
8370             cydia_ = YES;
8371     }
8372 }
8373
8374 - (void) connection:(NSURLConnection *)connection didFailWithError:(NSError *)error {
8375     lprintf("connection:\"%s\" didFailWithError:\"%s\"", [href_ UTF8String], [[error localizedDescription] UTF8String]);
8376     if (error_ != nil)
8377         error_ = [error retain];
8378     [self _endConnection:connection];
8379 }
8380
8381 - (void) connectionDidFinishLoading:(NSURLConnection *)connection {
8382     [self _endConnection:connection];
8383 }
8384
8385 - (NSURLConnection *) _requestHRef:(NSString *)href method:(NSString *)method {
8386     NSMutableURLRequest *request = [NSMutableURLRequest
8387         requestWithURL:[NSURL URLWithString:href]
8388         cachePolicy:NSURLRequestUseProtocolCachePolicy
8389         timeoutInterval:120.0
8390     ];
8391
8392     [request setHTTPMethod:method];
8393
8394     if (Machine_ != NULL)
8395         [request setValue:[NSString stringWithUTF8String:Machine_] forHTTPHeaderField:@"X-Machine"];
8396     if (UniqueID_ != nil)
8397         [request setValue:UniqueID_ forHTTPHeaderField:@"X-Unique-ID"];
8398     if (Role_ != nil)
8399         [request setValue:Role_ forHTTPHeaderField:@"X-Role"];
8400
8401     return [[[NSURLConnection alloc] initWithRequest:request delegate:self] autorelease];
8402 }
8403
8404 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
8405     NSString *context([alert context]);
8406
8407     if ([context isEqualToString:@"source"]) {
8408         switch (button) {
8409             case 1: {
8410                 NSString *href = [[alert textField] text];
8411
8412                 //installer_ = [[self _requestHRef:href method:@"GET"] retain];
8413
8414                 if (![href hasSuffix:@"/"])
8415                     href_ = [href stringByAppendingString:@"/"];
8416                 else
8417                     href_ = href;
8418                 href_ = [href_ retain];
8419
8420                 trivial_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages"] method:@"HEAD"] retain];
8421                 trivial_bz2_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.bz2"] method:@"HEAD"] retain];
8422                 trivial_gz_ = [[self _requestHRef:[href_ stringByAppendingString:@"Packages.gz"] method:@"HEAD"] retain];
8423                 //trivial_bz2_ = [[self _requestHRef:[href stringByAppendingString:@"dists/Release"] method:@"HEAD"] retain];
8424
8425                 cydia_ = false;
8426
8427                 // XXX: this is stupid
8428                 hud_ = [[delegate_ addProgressHUD] retain];
8429                 [hud_ setText:UCLocalize("VERIFYING_URL")];
8430                 [delegate_ retainNetworkActivityIndicator];
8431             } break;
8432
8433             case 0:
8434             break;
8435
8436             _nodefault
8437         }
8438
8439         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8440     } else if ([context isEqualToString:@"trivial"])
8441         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8442     else if ([context isEqualToString:@"urlerror"])
8443         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8444     else if ([context isEqualToString:@"warning"]) {
8445         switch (button) {
8446             case 1:
8447                 [self complete];
8448             break;
8449
8450             case 0:
8451             break;
8452
8453             _nodefault
8454         }
8455
8456         [href_ release];
8457         href_ = nil;
8458
8459         [alert dismissWithClickedButtonIndex:-1 animated:YES];
8460     }
8461 }
8462
8463 - (void) loadView {
8464     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8465
8466     list_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStylePlain];
8467     [list_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8468     [list_ setRowHeight:56];
8469     [list_ setDataSource:self];
8470     [list_ setDelegate:self];
8471     [[self view] addSubview:list_];
8472 }
8473
8474 - (void) viewDidLoad {
8475     [[self navigationItem] setTitle:UCLocalize("SOURCES")];
8476     [self updateButtonsForEditingStatus:NO animated:NO];
8477 }
8478
8479 - (void) releaseSubviews {
8480     [list_ release];
8481     list_ = nil;
8482 }
8483
8484 - (id) initWithDatabase:(Database *)database {
8485     if ((self = [super init]) != nil) {
8486         database_ = database;
8487         sources_ = [[NSMutableArray arrayWithCapacity:16] retain];
8488     } return self;
8489 }
8490
8491 - (void) reloadData {
8492     [super reloadData];
8493
8494     pkgSourceList list;
8495     if ([database_ popErrorWithTitle:UCLocalize("SOURCES") forOperation:list.ReadMainList()])
8496         return;
8497
8498     [sources_ removeAllObjects];
8499     [sources_ addObjectsFromArray:[database_ sources]];
8500     _trace();
8501     [sources_ sortUsingSelector:@selector(compareByNameAndType:)];
8502     _trace();
8503
8504     int count([sources_ count]);
8505     offset_ = 0;
8506     for (int i = 0; i != count; i++) {
8507         if ([[sources_ objectAtIndex:i] record] == nil)
8508             break;
8509         offset_++;
8510     }
8511
8512     [list_ setEditing:NO];
8513     [self updateButtonsForEditingStatus:NO animated:NO];
8514     [list_ reloadData];
8515 }
8516
8517 - (void) showAddSourcePrompt {
8518     UIAlertView *alert = [[[UIAlertView alloc]
8519         initWithTitle:UCLocalize("ENTER_APT_URL")
8520         message:nil
8521         delegate:self
8522         cancelButtonTitle:UCLocalize("CANCEL")
8523         otherButtonTitles:
8524             UCLocalize("ADD_SOURCE"),
8525         nil
8526     ] autorelease];
8527
8528     [alert setContext:@"source"];
8529     [alert setTransform:CGAffineTransformTranslate([alert transform], 0.0, 100.0)];
8530
8531     [alert setNumberOfRows:1];
8532     [alert addTextFieldWithValue:@"http://" label:@""];
8533
8534     UITextInputTraits *traits = [[alert textField] textInputTraits];
8535     [traits setAutocapitalizationType:UITextAutocapitalizationTypeNone];
8536     [traits setAutocorrectionType:UITextAutocorrectionTypeNo];
8537     [traits setKeyboardType:UIKeyboardTypeURL];
8538     // XXX: UIReturnKeyDone
8539     [traits setReturnKeyType:UIReturnKeyNext];
8540
8541     [alert show];
8542 }
8543
8544 - (void) addButtonClicked {
8545     [self showAddSourcePrompt];
8546 }
8547
8548 - (void) updateButtonsForEditingStatus:(BOOL)editing animated:(BOOL)animated {
8549     [[self navigationItem] setLeftBarButtonItem:(editing ? [[[UIBarButtonItem alloc]
8550         initWithTitle:UCLocalize("ADD")
8551         style:UIBarButtonItemStylePlain
8552         target:self
8553         action:@selector(addButtonClicked)
8554     ] autorelease] : [[self navigationItem] backBarButtonItem]) animated:animated];
8555
8556     [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8557         initWithTitle:(editing ? UCLocalize("DONE") : UCLocalize("EDIT"))
8558         style:(editing ? UIBarButtonItemStyleDone : UIBarButtonItemStylePlain)
8559         target:self
8560         action:@selector(editButtonClicked)
8561     ] autorelease] animated:animated];
8562
8563     if (IsWildcat_ && !editing)
8564         [[self navigationItem] setLeftBarButtonItem:[[[UIBarButtonItem alloc]
8565             initWithTitle:UCLocalize("SETTINGS")
8566             style:UIBarButtonItemStylePlain
8567             target:self
8568             action:@selector(settingsButtonClicked)
8569         ] autorelease]];
8570 }
8571
8572 - (void) settingsButtonClicked {
8573     [delegate_ showSettings];
8574 }
8575
8576 - (void) editButtonClicked {
8577     [list_ setEditing:![list_ isEditing] animated:YES];
8578
8579     [self updateButtonsForEditingStatus:[list_ isEditing] animated:YES];
8580 }
8581
8582 @end
8583 /* }}} */
8584
8585 /* Settings Controller {{{ */
8586 @interface SettingsController : CYViewController <
8587     UITableViewDataSource,
8588     UITableViewDelegate
8589 > {
8590     _transient Database *database_;
8591     // XXX: ok, "roledelegate_"?...
8592     _transient id roledelegate_;
8593     UITableView *table_;
8594     UISegmentedControl *segment_;
8595     UIView *container_;
8596 }
8597
8598 - (void) showDoneButton;
8599 - (void) resizeSegmentedControl;
8600
8601 @end
8602
8603 @implementation SettingsController
8604
8605 - (void) dealloc {
8606     [self releaseSubviews];
8607
8608     [super dealloc];
8609 }
8610
8611 - (void) loadView {
8612     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8613
8614     table_ = [[UITableView alloc] initWithFrame:[[self view] bounds] style:UITableViewStyleGrouped];
8615     [table_ setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
8616     [table_ setDelegate:self];
8617     [table_ setDataSource:self];
8618     [[self view] addSubview:table_];
8619
8620     NSArray *items = [NSArray arrayWithObjects:
8621         UCLocalize("USER"),
8622         UCLocalize("HACKER"),
8623         UCLocalize("DEVELOPER"),
8624     nil];
8625     segment_ = [[UISegmentedControl alloc] initWithItems:items];
8626     container_ = [[UIView alloc] initWithFrame:CGRectMake(0, 0, [[self view] frame].size.width, 44.0f)];
8627     [container_ addSubview:segment_];
8628 }
8629
8630 - (void) viewDidLoad {
8631     [[self navigationItem] setTitle:UCLocalize("WHO_ARE_YOU")];
8632
8633     int index = -1;
8634     if ([Role_ isEqualToString:@"User"]) index = 0;
8635     if ([Role_ isEqualToString:@"Hacker"]) index = 1;
8636     if ([Role_ isEqualToString:@"Developer"]) index = 2;
8637     if (index != -1) {
8638         [segment_ setSelectedSegmentIndex:index];
8639         [self showDoneButton];
8640     }
8641
8642     [segment_ addTarget:self action:@selector(segmentChanged:) forControlEvents:UIControlEventValueChanged];
8643     [self resizeSegmentedControl];
8644 }
8645
8646 - (void) releaseSubviews {
8647     [table_ release];
8648     table_ = nil;
8649
8650     [segment_ release];
8651     segment_ = nil;
8652
8653     [container_ release];
8654     container_ = nil;
8655 }
8656
8657 - (id) initWithDatabase:(Database *)database delegate:(id)delegate {
8658     if ((self = [super init]) != nil) {
8659         database_ = database;
8660         roledelegate_ = delegate;
8661     } return self;
8662 }
8663
8664 - (void) resizeSegmentedControl {
8665     CGFloat width = [[self view] frame].size.width;
8666     [segment_ setFrame:CGRectMake(width / 32.0f, 0, width - (width / 32.0f * 2.0f), 44.0f)];
8667 }
8668
8669 - (void) viewWillAppear:(BOOL)animated {
8670     [super viewWillAppear:animated];
8671
8672     [self resizeSegmentedControl];
8673 }
8674
8675 - (void) willAnimateRotationToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation duration:(NSTimeInterval)duration {
8676     [self resizeSegmentedControl];
8677 }
8678
8679 - (void) didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation {
8680     [self resizeSegmentedControl];
8681 }
8682
8683 - (void) save {
8684     NSString *role(nil);
8685
8686     switch ([segment_ selectedSegmentIndex]) {
8687         case 0: role = @"User"; break;
8688         case 1: role = @"Hacker"; break;
8689         case 2: role = @"Developer"; break;
8690
8691         _nodefault
8692     }
8693
8694     if (![role isEqualToString:Role_]) {
8695         bool rolling(Role_ == nil);
8696         Role_ = role;
8697
8698         Settings_ = [NSMutableDictionary dictionaryWithObjectsAndKeys:
8699             Role_, @"Role",
8700         nil];
8701
8702         [Metadata_ setObject:Settings_ forKey:@"Settings"];
8703         Changed_ = true;
8704
8705         if (rolling)
8706             [roledelegate_ loadData];
8707         else
8708             [roledelegate_ updateData];
8709     }
8710 }
8711
8712 - (void) segmentChanged:(UISegmentedControl *)control {
8713     [self showDoneButton];
8714 }
8715
8716 - (void) saveAndClose {
8717     [self save];
8718
8719     [[self navigationItem] setRightBarButtonItem:nil];
8720     [[self navigationController] dismissModalViewControllerAnimated:YES];
8721 }
8722
8723 - (void) doneButtonClicked {
8724     UIActivityIndicatorView *spinner = [[[UIActivityIndicatorView alloc] initWithFrame:CGRectMake(0, 0, 20.0f, 20.0f)] autorelease];
8725     [spinner startAnimating];
8726     UIBarButtonItem *spinItem = [[[UIBarButtonItem alloc] initWithCustomView:spinner] autorelease];
8727     [[self navigationItem] setRightBarButtonItem:spinItem];
8728
8729     [self performSelector:@selector(saveAndClose) withObject:nil afterDelay:0];
8730 }
8731
8732 - (void) showDoneButton {
8733     [[self navigationItem] setRightBarButtonItem:[[[UIBarButtonItem alloc]
8734         initWithTitle:UCLocalize("DONE")
8735         style:UIBarButtonItemStyleDone
8736         target:self
8737         action:@selector(doneButtonClicked)
8738     ] autorelease] animated:([[self navigationItem] rightBarButtonItem] == nil)];
8739 }
8740
8741 - (NSInteger) numberOfSectionsInTableView:(UITableView *)tableView {
8742     // XXX: For not having a single cell in the table, this sure is a lot of sections.
8743     return 6;
8744 }
8745
8746 - (NSInteger) tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
8747     return 0; // :(
8748 }
8749
8750 - (UITableViewCell *) tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
8751     return nil; // This method is required by the protocol.
8752 }
8753
8754 - (NSString *) tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
8755     if (section == 1)
8756         return UCLocalize("ROLE_EX");
8757     if (section == 4)
8758         return [NSString stringWithFormat:
8759             @"%@: %@\n%@: %@\n%@: %@",
8760             UCLocalize("USER"), UCLocalize("USER_EX"),
8761             UCLocalize("HACKER"), UCLocalize("HACKER_EX"),
8762             UCLocalize("DEVELOPER"), UCLocalize("DEVELOPER_EX")
8763         ];
8764     else return nil;
8765 }
8766
8767 - (CGFloat) tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section {
8768     return section == 3 ? 44.0f : 0;
8769 }
8770
8771 - (UIView *) tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
8772     return section == 3 ? container_ : nil;
8773 }
8774
8775 - (void) reloadData {
8776     [super reloadData];
8777     [table_ reloadData];
8778 }
8779
8780 @end
8781 /* }}} */
8782 /* Stash Controller {{{ */
8783 @interface StashController : CYViewController {
8784     UIActivityIndicatorView *spinner_;
8785     UILabel *status_;
8786     UILabel *caption_;
8787 }
8788
8789 @end
8790
8791 @implementation StashController
8792
8793 - (void) dealloc {
8794     [self releaseSubviews];
8795
8796     [super dealloc];
8797 }
8798
8799 - (void) loadView {
8800     [self setView:[[[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]] autorelease]];
8801     [[self view] setBackgroundColor:[UIColor viewFlipsideBackgroundColor]];
8802
8803     spinner_ = [[[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge] autorelease];
8804     CGRect spinrect = [spinner_ frame];
8805     spinrect.origin.x = ([[self view] frame].size.width / 2) - (spinrect.size.width / 2);
8806     spinrect.origin.y = [[self view] frame].size.height - 80.0f;
8807     [spinner_ setFrame:spinrect];
8808     [spinner_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin];
8809     [[self view] addSubview:spinner_];
8810     [spinner_ startAnimating];
8811
8812     CGRect captrect;
8813     captrect.size.width = [[self view] frame].size.width;
8814     captrect.size.height = 40.0f;
8815     captrect.origin.x = 0;
8816     captrect.origin.y = ([[self view] frame].size.height / 2) - (captrect.size.height * 2);
8817     caption_ = [[[UILabel alloc] initWithFrame:captrect] autorelease];
8818     [caption_ setText:UCLocalize("PREPARING_FILESYSTEM")];
8819     [caption_ setAutoresizingMask:UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8820     [caption_ setFont:[UIFont boldSystemFontOfSize:28.0f]];
8821     [caption_ setTextColor:[UIColor whiteColor]];
8822     [caption_ setBackgroundColor:[UIColor clearColor]];
8823     [caption_ setShadowColor:[UIColor blackColor]];
8824     [caption_ setTextAlignment:UITextAlignmentCenter];
8825     [[self view] addSubview:caption_];
8826
8827     CGRect statusrect;
8828     statusrect.size.width = [[self view] frame].size.width;
8829     statusrect.size.height = 30.0f;
8830     statusrect.origin.x = 0;
8831     statusrect.origin.y = ([[self view] frame].size.height / 2) - statusrect.size.height;
8832     status_ = [[[UILabel alloc] initWithFrame:statusrect] autorelease];
8833     [status_ setAutoresizingMask:UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin | UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin];
8834     [status_ setText:UCLocalize("EXIT_WHEN_COMPLETE")];
8835     [status_ setFont:[UIFont systemFontOfSize:16.0f]];
8836     [status_ setTextColor:[UIColor whiteColor]];
8837     [status_ setBackgroundColor:[UIColor clearColor]];
8838     [status_ setShadowColor:[UIColor blackColor]];
8839     [status_ setTextAlignment:UITextAlignmentCenter];
8840     [[self view] addSubview:status_];
8841 }
8842
8843 - (void) releaseSubviews {
8844     [spinner_ release];
8845     spinner_ = nil;
8846
8847     [status_ release];
8848     status_ = nil;
8849
8850     [caption_ release];
8851     caption_ = nil;
8852 }
8853
8854 @end
8855 /* }}} */
8856
8857 @interface Cydia : UIApplication <
8858     ConfirmationControllerDelegate,
8859     DatabaseDelegate,
8860     CydiaDelegate,
8861     UINavigationControllerDelegate,
8862     UITabBarControllerDelegate
8863 > {
8864     // XXX: evaluate all fields for _transient
8865
8866     UIWindow *window_;
8867     CYTabBarController *tabbar_;
8868     CYEmulatedLoadingController *emulated_;
8869
8870     NSMutableArray *essential_;
8871     NSMutableArray *broken_;
8872
8873     Database *database_;
8874
8875     NSURL *starturl_;
8876
8877     unsigned locked_;
8878     unsigned activity_;
8879
8880     StashController *stash_;
8881
8882     bool loaded_;
8883 }
8884
8885 - (void) loadData;
8886
8887 @end
8888
8889 @implementation Cydia
8890
8891 - (void) beginUpdate {
8892     [tabbar_ beginUpdate];
8893 }
8894
8895 - (BOOL) updating {
8896     return [tabbar_ updating];
8897 }
8898
8899 - (void) _loaded {
8900     if ([broken_ count] != 0) {
8901         int count = [broken_ count];
8902
8903         UIAlertView *alert = [[[UIAlertView alloc]
8904             initWithTitle:(count == 1 ? UCLocalize("HALFINSTALLED_PACKAGE") : [NSString stringWithFormat:UCLocalize("HALFINSTALLED_PACKAGES"), count])
8905             message:UCLocalize("HALFINSTALLED_PACKAGE_EX")
8906             delegate:self
8907             cancelButtonTitle:UCLocalize("FORCIBLY_CLEAR")
8908             otherButtonTitles:
8909                 UCLocalize("TEMPORARY_IGNORE"),
8910             nil
8911         ] autorelease];
8912
8913         [alert setContext:@"fixhalf"];
8914         [alert setNumberOfRows:2];
8915         [alert show];
8916     } else if (!Ignored_ && [essential_ count] != 0) {
8917         int count = [essential_ count];
8918
8919         UIAlertView *alert = [[[UIAlertView alloc]
8920             initWithTitle:(count == 1 ? UCLocalize("ESSENTIAL_UPGRADE") : [NSString stringWithFormat:UCLocalize("ESSENTIAL_UPGRADES"), count])
8921             message:UCLocalize("ESSENTIAL_UPGRADE_EX")
8922             delegate:self
8923             cancelButtonTitle:UCLocalize("TEMPORARY_IGNORE")
8924             otherButtonTitles:
8925                 UCLocalize("UPGRADE_ESSENTIAL"),
8926                 UCLocalize("COMPLETE_UPGRADE"),
8927             nil
8928         ] autorelease];
8929
8930         [alert setContext:@"upgrade"];
8931         [alert show];
8932     }
8933 }
8934
8935 - (void) _saveConfig {
8936     _trace();
8937     MetaFile_.Sync();
8938     _trace();
8939
8940     if (Changed_) {
8941         NSString *error(nil);
8942
8943         if (NSData *data = [NSPropertyListSerialization dataFromPropertyList:Metadata_ format:NSPropertyListBinaryFormat_v1_0 errorDescription:&error]) {
8944             _trace();
8945             NSError *error(nil);
8946             if (![data writeToFile:@"/var/lib/cydia/metadata.plist" options:NSAtomicWrite error:&error])
8947                 NSLog(@"failure to save metadata data: %@", error);
8948             _trace();
8949
8950             Changed_ = false;
8951         } else {
8952             NSLog(@"failure to serialize metadata: %@", error);
8953         }
8954     }
8955 }
8956
8957 // Navigation controller for the queuing badge.
8958 - (CYNavigationController *) queueNavigationController {
8959     NSArray *controllers = [tabbar_ viewControllers];
8960     return [controllers objectAtIndex:3];
8961 }
8962
8963 - (void) _updateData {
8964     [self _saveConfig];
8965
8966     [tabbar_ reloadData];
8967
8968     CYNavigationController *navigation = [self queueNavigationController];
8969
8970     id queuedelegate = nil;
8971     if ([[navigation viewControllers] count] > 0)
8972         queuedelegate = [[navigation viewControllers] objectAtIndex:0];
8973
8974     [queuedelegate queueStatusDidChange];
8975     [[navigation tabBarItem] setBadgeValue:(Queuing_ ? UCLocalize("Q_D") : nil)];
8976 }
8977
8978 - (void) _refreshIfPossible:(NSDate *)update {
8979     NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
8980
8981     bool recently = false;
8982     if (update != nil) {
8983         NSTimeInterval interval([update timeIntervalSinceNow]);
8984         if (interval <= 0 && interval > -(15*60))
8985             recently = true;
8986     }
8987
8988     // Don't automatic refresh if:
8989     //  - We already refreshed recently.
8990     //  - We already auto-refreshed this launch.
8991     //  - Auto-refresh is disabled.
8992     if (recently || loaded_ || ManualRefresh) {
8993         [self performSelectorOnMainThread:@selector(_loaded) withObject:nil waitUntilDone:NO];
8994
8995         // If we are cancelling, we need to make sure it knows it's already loaded.
8996         loaded_ = true;
8997         return;
8998     } else {
8999         // We are going to load, so remember that.
9000         loaded_ = true;
9001     }
9002
9003     SCNetworkReachabilityFlags flags; {
9004         SCNetworkReachabilityRef reachability(SCNetworkReachabilityCreateWithName(NULL, "cydia.saurik.com"));
9005         SCNetworkReachabilityGetFlags(reachability, &flags);
9006         CFRelease(reachability);
9007     }
9008
9009     // XXX: this elaborate mess is what Apple is using to determine this? :(
9010     // XXX: do we care if the user has to intervene? maybe that's ok?
9011     bool reachable(
9012         (flags & kSCNetworkReachabilityFlagsReachable) != 0 && (
9013             (flags & kSCNetworkReachabilityFlagsConnectionRequired) == 0 || (
9014                 (flags & kSCNetworkReachabilityFlagsConnectionOnDemand) != 0 ||
9015                 (flags & kSCNetworkReachabilityFlagsConnectionOnTraffic) != 0
9016             ) && (flags & kSCNetworkReachabilityFlagsInterventionRequired) == 0 ||
9017             (flags & kSCNetworkReachabilityFlagsIsWWAN) != 0
9018         )
9019     );
9020
9021     // If we can reach the server, auto-refresh!
9022     if (reachable)
9023         [tabbar_ performSelectorOnMainThread:@selector(setUpdate:) withObject:update waitUntilDone:NO];
9024
9025     [pool release];
9026 }
9027
9028 - (void) refreshIfPossible {
9029     [NSThread detachNewThreadSelector:@selector(_refreshIfPossible:) toTarget:self withObject:[Metadata_ objectForKey:@"LastUpdate"]];
9030 }
9031
9032 - (void) _reloadDataWithInvocation:(NSInvocation *)invocation {
9033     UIProgressHUD *hud(loaded_ ? [self addProgressHUD] : nil);
9034     [hud setText:UCLocalize("RELOADING_DATA")];
9035
9036     [database_ yieldToSelector:@selector(reloadDataWithInvocation:) withObject:invocation];
9037
9038     if (hud != nil)
9039         [self removeProgressHUD:hud];
9040
9041     size_t changes(0);
9042
9043     [essential_ removeAllObjects];
9044     [broken_ removeAllObjects];
9045
9046     NSArray *packages([database_ packages]);
9047     for (Package *package in packages) {
9048         if ([package half])
9049             [broken_ addObject:package];
9050         if ([package upgradableAndEssential:NO]) {
9051             if ([package essential])
9052                 [essential_ addObject:package];
9053             ++changes;
9054         }
9055     }
9056
9057     NSLog(@"changes:#%u", changes);
9058
9059     UITabBarItem *changesItem = [[[tabbar_ viewControllers] objectAtIndex:2] tabBarItem];
9060     if (changes != 0) {
9061         _trace();
9062         NSString *badge([[NSNumber numberWithInt:changes] stringValue]);
9063         [changesItem setBadgeValue:badge];
9064         [changesItem setAnimatedBadge:([essential_ count] > 0)];
9065         [self setApplicationIconBadgeNumber:changes];
9066     } else {
9067         _trace();
9068         [changesItem setBadgeValue:nil];
9069         [changesItem setAnimatedBadge:NO];
9070         [self setApplicationIconBadgeNumber:0];
9071     }
9072
9073     [self _updateData];
9074
9075     [self refreshIfPossible];
9076 }
9077
9078 - (void) updateData {
9079     [self _updateData];
9080 }
9081
9082 - (void) update_ {
9083     [database_ update];
9084 }
9085
9086 - (void) complete {
9087     @synchronized (self) {
9088         [self _reloadDataWithInvocation:nil];
9089     }
9090 }
9091
9092 - (void) disemulate {
9093     if (emulated_ == nil)
9094         return;
9095
9096     [window_ addSubview:[tabbar_ view]];
9097     [[emulated_ view] removeFromSuperview];
9098     [emulated_ release];
9099     emulated_ = nil;
9100     [window_ setUserInteractionEnabled:YES];
9101 }
9102
9103 - (void) presentModalViewController:(UIViewController *)controller force:(BOOL)force {
9104     UINavigationController *navigation([[[CYNavigationController alloc] initWithRootViewController:controller] autorelease]);
9105     if (IsWildcat_)
9106         [navigation setModalPresentationStyle:UIModalPresentationFormSheet];
9107
9108     UIViewController *parent;
9109     if (emulated_ == nil)
9110         parent = tabbar_;
9111     else if (!force)
9112         parent = emulated_;
9113     else {
9114         [self disemulate];
9115         parent = tabbar_;
9116     }
9117
9118     [parent presentModalViewController:navigation animated:YES];
9119 }
9120
9121 - (ProgressController *) invokeNewProgress:(NSInvocation *)invocation forController:(UINavigationController *)navigation withTitle:(NSString *)title {
9122     ProgressController *progress([[[ProgressController alloc] initWithDatabase:database_ delegate:self] autorelease]);
9123
9124     if (navigation != nil)
9125         [navigation pushViewController:progress animated:YES];
9126     else
9127         [self presentModalViewController:progress force:YES];
9128
9129     [progress invoke:invocation withTitle:title];
9130     return progress;
9131 }
9132
9133 - (void) detachNewProgressSelector:(SEL)selector toTarget:(id)target forController:(UINavigationController *)navigation title:(NSString *)title {
9134     [self invokeNewProgress:[NSInvocation invocationWithSelector:selector forTarget:target] forController:navigation withTitle:title];
9135 }
9136
9137 - (void) repairWithInvocation:(NSInvocation *)invocation {
9138     _trace();
9139     [self invokeNewProgress:invocation forController:nil withTitle:@"REPAIRING"];
9140     _trace();
9141 }
9142
9143 - (void) repairWithSelector:(SEL)selector {
9144     [self performSelectorOnMainThread:@selector(repairWithInvocation:) withObject:[NSInvocation invocationWithSelector:selector forTarget:database_] waitUntilDone:YES];
9145 }
9146
9147 - (void) syncData {
9148     [self _saveConfig];
9149
9150     FILE *file(fopen("/etc/apt/sources.list.d/cydia.list", "w"));
9151     _assert(file != NULL);
9152
9153     for (NSString *key in [Sources_ allKeys]) {
9154         NSDictionary *source([Sources_ objectForKey:key]);
9155
9156         fprintf(file, "%s %s %s\n",
9157             [[source objectForKey:@"Type"] UTF8String],
9158             [[source objectForKey:@"URI"] UTF8String],
9159             [[source objectForKey:@"Distribution"] UTF8String]
9160         );
9161     }
9162
9163     fclose(file);
9164
9165     [self detachNewProgressSelector:@selector(update_) toTarget:self forController:nil title:@"UPDATING_SOURCES"];
9166
9167     [self complete];
9168 }
9169
9170 - (void) addTrivialSource:(NSString *)href {
9171     [Sources_ setObject:[NSDictionary dictionaryWithObjectsAndKeys:
9172         @"deb", @"Type",
9173         href, @"URI",
9174         @"./", @"Distribution",
9175     nil] forKey:[NSString stringWithFormat:@"deb:%@:./", href]];
9176
9177     Changed_ = true;
9178 }
9179
9180 - (void) reloadDataWithInvocation:(NSInvocation *)invocation {
9181     @synchronized (self) {
9182         [self _reloadDataWithInvocation:invocation];
9183     }
9184 }
9185
9186 - (void) reloadData {
9187     [self reloadDataWithInvocation:nil];
9188 }
9189
9190 - (void) resolve {
9191     pkgProblemResolver *resolver = [database_ resolver];
9192
9193     resolver->InstallProtect();
9194     if (!resolver->Resolve(true))
9195         _error->Discard();
9196 }
9197
9198 - (bool) perform {
9199     // XXX: this is a really crappy way of doing this.
9200     // like, seriously: this state machine is still broken, and cancelling this here doesn't really /fix/ that.
9201     // for one, the user can still /start/ a reloading data event while they have a queue, which is stupid
9202     // for two, this just means there is a race condition between the refresh completing and the confirmation controller appearing.
9203     if ([tabbar_ updating])
9204         [tabbar_ cancelUpdate];
9205
9206     if (![database_ prepare])
9207         return false;
9208
9209     ConfirmationController *page([[[ConfirmationController alloc] initWithDatabase:database_] autorelease]);
9210     [page setDelegate:self];
9211     CYNavigationController *confirm_([[[CYNavigationController alloc] initWithRootViewController:page] autorelease]);
9212     [confirm_ setDelegate:self];
9213
9214     if (IsWildcat_)
9215         [confirm_ setModalPresentationStyle:UIModalPresentationFormSheet];
9216     [tabbar_ presentModalViewController:confirm_ animated:YES];
9217
9218     return true;
9219 }
9220
9221 - (void) queue {
9222     @synchronized (self) {
9223         [self perform];
9224     }
9225 }
9226
9227 - (void) clearPackage:(Package *)package {
9228     @synchronized (self) {
9229         [package clear];
9230         [self resolve];
9231         [self perform];
9232     }
9233 }
9234
9235 - (void) installPackages:(NSArray *)packages {
9236     @synchronized (self) {
9237         for (Package *package in packages)
9238             [package install];
9239         [self resolve];
9240         [self perform];
9241     }
9242 }
9243
9244 - (void) installPackage:(Package *)package {
9245     @synchronized (self) {
9246         [package install];
9247         [self resolve];
9248         [self perform];
9249     }
9250 }
9251
9252 - (void) removePackage:(Package *)package {
9253     @synchronized (self) {
9254         [package remove];
9255         [self resolve];
9256         [self perform];
9257     }
9258 }
9259
9260 - (void) distUpgrade {
9261     @synchronized (self) {
9262         if (![database_ upgrade])
9263             return;
9264         [self perform];
9265     }
9266 }
9267
9268 - (void) confirmWithNavigationController:(UINavigationController *)navigation {
9269     Queuing_ = false;
9270     ++locked_;
9271     [self detachNewProgressSelector:@selector(perform) toTarget:database_ forController:navigation title:@"RUNNING"];
9272     --locked_;
9273     [self complete];
9274 }
9275
9276 - (void) showSettings {
9277     SettingsController *role = [[[SettingsController alloc] initWithDatabase:database_ delegate:self] autorelease];
9278     CYNavigationController *nav = [[[CYNavigationController alloc] initWithRootViewController:role] autorelease];
9279     if (IsWildcat_)
9280         [nav setModalPresentationStyle:UIModalPresentationFormSheet];
9281     [tabbar_ presentModalViewController:nav animated:YES];
9282 }
9283
9284 - (void) retainNetworkActivityIndicator {
9285     if (activity_++ == 0)
9286         [self setNetworkActivityIndicatorVisible:YES];
9287
9288 #if TraceLogging
9289     NSLog(@"retainNetworkActivityIndicator->%d", activity_);
9290 #endif
9291 }
9292
9293 - (void) releaseNetworkActivityIndicator {
9294     if (--activity_ == 0)
9295         [self setNetworkActivityIndicatorVisible:NO];
9296
9297 #if TraceLogging
9298     NSLog(@"releaseNetworkActivityIndicator->%d", activity_);
9299 #endif
9300
9301 }
9302
9303 - (void) cancelAndClear:(bool)clear {
9304     @synchronized (self) {
9305         if (clear) {
9306             [database_ clear];
9307             Queuing_ = false;
9308         } else {
9309             Queuing_ = true;
9310         }
9311
9312         [self _updateData];
9313     }
9314 }
9315
9316 - (void) alertView:(UIAlertView *)alert clickedButtonAtIndex:(NSInteger)button {
9317     NSString *context([alert context]);
9318
9319     if ([context isEqualToString:@"conffile"]) {
9320         FILE *input = [database_ input];
9321         if (button == [alert cancelButtonIndex])
9322             fprintf(input, "N\n");
9323         else if (button == [alert firstOtherButtonIndex])
9324             fprintf(input, "Y\n");
9325         fflush(input);
9326
9327         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9328     } else if ([context isEqualToString:@"fixhalf"]) {
9329         if (button == [alert cancelButtonIndex]) {
9330             @synchronized (self) {
9331                 for (Package *broken in broken_) {
9332                     [broken remove];
9333
9334                     NSString *id = [broken id];
9335                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.prerm", id] UTF8String]);
9336                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postrm", id] UTF8String]);
9337                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.preinst", id] UTF8String]);
9338                     unlink([[NSString stringWithFormat:@"/var/lib/dpkg/info/%@.postinst", id] UTF8String]);
9339                 }
9340
9341                 [self resolve];
9342                 [self perform];
9343             }
9344         } else if (button == [alert firstOtherButtonIndex]) {
9345             [broken_ removeAllObjects];
9346             [self _loaded];
9347         }
9348
9349         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9350     } else if ([context isEqualToString:@"upgrade"]) {
9351         if (button == [alert firstOtherButtonIndex]) {
9352             @synchronized (self) {
9353                 for (Package *essential in essential_)
9354                     [essential install];
9355
9356                 [self resolve];
9357                 [self perform];
9358             }
9359         } else if (button == [alert firstOtherButtonIndex] + 1) {
9360             [self distUpgrade];
9361         } else if (button == [alert cancelButtonIndex]) {
9362             Ignored_ = YES;
9363         }
9364
9365         [alert dismissWithClickedButtonIndex:-1 animated:YES];
9366     }
9367 }
9368
9369 - (void) system:(NSString *)command { _pooled
9370     _trace();
9371     system([command UTF8String]);
9372     _trace();
9373 }
9374
9375 - (void) applicationWillSuspend {
9376     [database_ clean];
9377     [super applicationWillSuspend];
9378 }
9379
9380 - (BOOL) isSafeToSuspend {
9381     if (locked_ != 0) {
9382 #if !ForRelease
9383         NSLog(@"isSafeToSuspend: locked_ != 0");
9384 #endif
9385         return false;
9386     }
9387
9388     // Use external process status API internally.
9389     // This is probably a really bad idea.
9390     // XXX: what is the point of this? does this solve anything at all?
9391     uint64_t status = 0;
9392     int notify_token;
9393     if (notify_register_check("com.saurik.Cydia.status", &notify_token) == NOTIFY_STATUS_OK) {
9394         notify_get_state(notify_token, &status);
9395         notify_cancel(notify_token);
9396     }
9397
9398     if (status != 0) {
9399 #if !ForRelease
9400         NSLog(@"isSafeToSuspend: status != 0");
9401 #endif
9402         return false;
9403     }
9404
9405 #if !ForRelease
9406     NSLog(@"isSafeToSuspend: -> true");
9407 #endif
9408     return true;
9409 }
9410
9411 - (void) applicationSuspend:(__GSEvent *)event {
9412     if ([self isSafeToSuspend])
9413         [super applicationSuspend:event];
9414 }
9415
9416 - (void) _animateSuspension:(BOOL)arg0 duration:(double)arg1 startTime:(double)arg2 scale:(float)arg3 {
9417     if ([self isSafeToSuspend])
9418         [super _animateSuspension:arg0 duration:arg1 startTime:arg2 scale:arg3];
9419 }
9420
9421 - (void) _setSuspended:(BOOL)value {
9422     if ([self isSafeToSuspend])
9423         [super _setSuspended:value];
9424 }
9425
9426 - (UIProgressHUD *) addProgressHUD {
9427     UIProgressHUD *hud([[[UIProgressHUD alloc] initWithWindow:window_] autorelease]);
9428     [hud setAutoresizingMask:UIViewAutoresizingFlexibleBoth];
9429
9430     [window_ setUserInteractionEnabled:NO];
9431     [hud show:YES];
9432
9433     UIViewController *target = tabbar_;
9434     while ([target modalViewController] != nil) target = [target modalViewController];
9435     [[target view] addSubview:hud];
9436
9437     ++locked_;
9438     return hud;
9439 }
9440
9441 - (void) removeProgressHUD:(UIProgressHUD *)hud {
9442     [hud show:NO];
9443     [hud removeFromSuperview];
9444     [window_ setUserInteractionEnabled:YES];
9445     --locked_;
9446 }
9447
9448 - (CYViewController *) pageForPackage:(NSString *)name {
9449     return [[[CYPackageController alloc] initWithDatabase:database_ forPackage:name] autorelease];
9450 }
9451
9452 - (CYViewController *) pageForURL:(NSURL *)url forExternal:(BOOL)external {
9453     NSString *scheme([[url scheme] lowercaseString]);
9454     if ([[url absoluteString] length] <= [scheme length] + 3)
9455         return nil;
9456     NSString *path([[url absoluteString] substringFromIndex:[scheme length] + 3]);
9457     NSArray *components([path pathComponents]);
9458
9459     if ([scheme isEqualToString:@"apptapp"] && [components count] > 0 && [[components objectAtIndex:0] isEqualToString:@"package"])
9460         return [self pageForPackage:[components objectAtIndex:1]];
9461
9462     if ([components count] < 1 || ![scheme isEqualToString:@"cydia"])
9463         return nil;
9464
9465     NSString *base([components objectAtIndex:0]);
9466
9467     CYViewController *controller = nil;
9468
9469     if ([base isEqualToString:@"url"]) {
9470         // This kind of URL can contain slashes in the argument, so we can't parse them below.
9471         NSString *destination = [[url absoluteString] substringFromIndex:([scheme length] + [@"://" length] + [base length] + [@"/" length])];
9472         controller = [[[CYBrowserController alloc] initWithURL:[NSURL URLWithString:destination]] autorelease];
9473     } else if (!external && [components count] == 1) {
9474         if ([base isEqualToString:@"manage"]) {
9475             controller = [[[ManageController alloc] init] autorelease];
9476         }
9477
9478         if ([base isEqualToString:@"sources"]) {
9479             controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
9480         }
9481
9482         if ([base isEqualToString:@"home"]) {
9483             controller = [[[HomeController alloc] init] autorelease];
9484         }
9485
9486         if ([base isEqualToString:@"sections"]) {
9487             controller = [[[SectionsController alloc] initWithDatabase:database_] autorelease];
9488         }
9489
9490         if ([base isEqualToString:@"search"]) {
9491             controller = [[[SearchController alloc] initWithDatabase:database_] autorelease];
9492         }
9493
9494         if ([base isEqualToString:@"changes"]) {
9495             controller = [[[ChangesController alloc] initWithDatabase:database_] autorelease];
9496         }
9497
9498         if ([base isEqualToString:@"installed"]) {
9499             controller = [[[InstalledController alloc] initWithDatabase:database_] autorelease];
9500         }
9501     } else if ([components count] == 2) {
9502         NSString *argument = [components objectAtIndex:1];
9503
9504         if ([base isEqualToString:@"package"]) {
9505             controller = [self pageForPackage:argument];
9506         }
9507
9508         if (!external && [base isEqualToString:@"search"]) {
9509             controller = [[[SearchController alloc] initWithDatabase:database_] autorelease];
9510             [(SearchController *)controller setSearchTerm:argument];
9511         }
9512
9513         if (!external && [base isEqualToString:@"sections"]) {
9514             if ([argument isEqualToString:@"all"])
9515                 argument = nil;
9516             controller = [[[SectionController alloc] initWithDatabase:database_ section:argument] autorelease];
9517         }
9518
9519         if (!external && [base isEqualToString:@"sources"]) {
9520             if ([argument isEqualToString:@"add"]) {
9521                 controller = [[[SourcesController alloc] initWithDatabase:database_] autorelease];
9522                 [(SourcesController *)controller showAddSourcePrompt];
9523             } else {
9524                 Source *source = [database_ sourceWithKey:argument];
9525                 controller = [[[SourceController alloc] initWithDatabase:database_ source:source] autorelease];
9526             }
9527         }
9528
9529         if (!external && [base isEqualToString:@"launch"]) {
9530             [self launchApplicationWithIdentifier:argument suspended:NO];
9531             return nil;
9532         }
9533     } else if (!external && [components count] == 3) {
9534         NSString *arg1 = [components objectAtIndex:1];
9535         NSString *arg2 = [components objectAtIndex:2];
9536
9537         if ([base isEqualToString:@"package"]) {
9538             if ([arg2 isEqualToString:@"settings"]) {
9539                 controller = [[[PackageSettingsController alloc] initWithDatabase:database_ package:arg1] autorelease];
9540             } else if ([arg2 isEqualToString:@"files"]) {
9541                 if (Package *package = [database_ packageWithName:arg1]) {
9542                     controller = [[[FileTable alloc] initWithDatabase:database_] autorelease];
9543                     [(FileTable *)controller setPackage:package];
9544                 }
9545             }
9546         }
9547     }
9548
9549     [controller setDelegate:self];
9550     return controller;
9551 }
9552
9553 - (BOOL) openCydiaURL:(NSURL *)url forExternal:(BOOL)external {
9554     CYViewController *page([self pageForURL:url forExternal:external]);
9555
9556     if (page != nil) {
9557         CYNavigationController *nav = [[[CYNavigationController alloc] init] autorelease];
9558         [nav setViewControllers:[NSArray arrayWithObject:page]];
9559         [tabbar_ setUnselectedViewController:nav];
9560     }
9561
9562     return page != nil;
9563 }
9564
9565 - (void) applicationOpenURL:(NSURL *)url {
9566     [super applicationOpenURL:url];
9567
9568     if (!loaded_) starturl_ = [url retain];
9569     else [self openCydiaURL:url forExternal:YES];
9570 }
9571
9572 - (void) applicationWillResignActive:(UIApplication *)application {
9573     // Stop refreshing if you get a phone call or lock the device.
9574     if ([tabbar_ updating])
9575         [tabbar_ cancelUpdate];
9576
9577     if ([[self superclass] instancesRespondToSelector:@selector(applicationWillResignActive:)])
9578         [super applicationWillResignActive:application];
9579 }
9580
9581 - (void) applicationWillTerminate:(UIApplication *)application {
9582     Changed_ = true;
9583     [Metadata_ setObject:[tabbar_ navigationURLCollection] forKey:@"InterfaceState"];
9584     [Metadata_ setObject:[NSDate date] forKey:@"LastClosed"];
9585     [Metadata_ setObject:[NSNumber numberWithInt:[tabbar_ selectedIndex]] forKey:@"InterfaceIndex"];
9586
9587     [self _saveConfig];
9588 }
9589
9590 - (void) setConfigurationData:(NSString *)data {
9591     static Pcre conffile_r("^'(.*)' '(.*)' ([01]) ([01])$");
9592
9593     if (!conffile_r(data)) {
9594         lprintf("E:invalid conffile\n");
9595         return;
9596     }
9597
9598     NSString *ofile = conffile_r[1];
9599     //NSString *nfile = conffile_r[2];
9600
9601     UIAlertView *alert = [[[UIAlertView alloc]
9602         initWithTitle:UCLocalize("CONFIGURATION_UPGRADE")
9603         message:[NSString stringWithFormat:@"%@\n\n%@", UCLocalize("CONFIGURATION_UPGRADE_EX"), ofile]
9604         delegate:self
9605         cancelButtonTitle:UCLocalize("KEEP_OLD_COPY")
9606         otherButtonTitles:
9607             UCLocalize("ACCEPT_NEW_COPY"),
9608             // XXX: UCLocalize("SEE_WHAT_CHANGED"),
9609         nil
9610     ] autorelease];
9611
9612     [alert setContext:@"conffile"];
9613     [alert setNumberOfRows:2];
9614     [alert show];
9615 }
9616
9617 - (void) addStashController {
9618     ++locked_;
9619     stash_ = [[StashController alloc] init];
9620     [window_ addSubview:[stash_ view]];
9621 }
9622
9623 - (void) removeStashController {
9624     [[stash_ view] removeFromSuperview];
9625     [stash_ release];
9626     --locked_;
9627 }
9628
9629 - (void) stash {
9630     [self setIdleTimerDisabled:YES];
9631
9632     [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleBlackOpaque];
9633     UpdateExternalStatus(1);
9634     [self yieldToSelector:@selector(system:) withObject:@"/usr/libexec/cydia/free.sh"];
9635     UpdateExternalStatus(0);
9636
9637     [self removeStashController];
9638
9639     if (ExecFork() == 0) {
9640         execlp("launchctl", "launchctl", "stop", "com.apple.SpringBoard", NULL);
9641         perror("launchctl stop");
9642     }
9643 }
9644
9645 - (void) setupViewControllers {
9646     tabbar_ = [[CYTabBarController alloc] initWithDatabase:database_];
9647
9648     NSMutableArray *items([NSMutableArray arrayWithObjects:
9649         [[[UITabBarItem alloc] initWithTitle:@"Cydia" image:[UIImage applicationImageNamed:@"home.png"] tag:0] autorelease],
9650         [[[UITabBarItem alloc] initWithTitle:UCLocalize("SECTIONS") image:[UIImage applicationImageNamed:@"install.png"] tag:0] autorelease],
9651         [[[UITabBarItem alloc] initWithTitle:UCLocalize("CHANGES") image:[UIImage applicationImageNamed:@"changes.png"] tag:0] autorelease],
9652         [[[UITabBarItem alloc] initWithTitle:UCLocalize("SEARCH") image:[UIImage applicationImageNamed:@"search.png"] tag:0] autorelease],
9653     nil]);
9654
9655     if (IsWildcat_) {
9656         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("SOURCES") image:[UIImage applicationImageNamed:@"source.png"] tag:0] autorelease] atIndex:3];
9657         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("INSTALLED") image:[UIImage applicationImageNamed:@"manage.png"] tag:0] autorelease] atIndex:3];
9658     } else {
9659         [items insertObject:[[[UITabBarItem alloc] initWithTitle:UCLocalize("MANAGE") image:[UIImage applicationImageNamed:@"manage.png"] tag:0] autorelease] atIndex:3];
9660     }
9661
9662     NSMutableArray *controllers([NSMutableArray array]);
9663     for (UITabBarItem *item in items) {
9664         CYNavigationController *controller([[[CYNavigationController alloc] initWithDatabase:database_] autorelease]);
9665         [controller setTabBarItem:item];
9666         [controllers addObject:controller];
9667     }
9668     [tabbar_ setViewControllers:controllers];
9669
9670     [tabbar_ setUpdateDelegate:self];
9671 }
9672
9673 - (void) addCydiaHost:(NSString *)host {
9674     [CydiaHosts_ addObject:host];
9675 }
9676
9677 - (void) applicationDidFinishLaunching:(id)unused {
9678 _trace();
9679     if ([self respondsToSelector:@selector(setApplicationSupportsShakeToEdit:)])
9680         [self setApplicationSupportsShakeToEdit:NO];
9681
9682     [self addCydiaHost:[[NSURL URLWithString:CydiaURL(@"")] host]];
9683
9684     [NSURLCache setSharedURLCache:[[[SDURLCache alloc]
9685         initWithMemoryCapacity:524288
9686         diskCapacity:10485760
9687         diskPath:[NSString stringWithFormat:@"%@/Library/Caches/com.saurik.Cydia/SDURLCache", @"/var/root"]
9688     ] autorelease]];
9689
9690     [CYBrowserController _initialize];
9691
9692     [NSURLProtocol registerClass:[CydiaURLProtocol class]];
9693
9694     Font12_ = [[UIFont systemFontOfSize:12] retain];
9695     Font12Bold_ = [[UIFont boldSystemFontOfSize:12] retain];
9696     Font14_ = [[UIFont systemFontOfSize:14] retain];
9697     Font18Bold_ = [[UIFont boldSystemFontOfSize:18] retain];
9698     Font22Bold_ = [[UIFont boldSystemFontOfSize:22] retain];
9699
9700     essential_ = [[NSMutableArray alloc] initWithCapacity:4];
9701     broken_ = [[NSMutableArray alloc] initWithCapacity:4];
9702
9703     window_ = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
9704     [window_ orderFront:self];
9705     [window_ makeKey:self];
9706     [window_ setHidden:NO];
9707
9708     if (
9709         readlink("/Applications", NULL, 0) == -1 && errno == EINVAL ||
9710         readlink("/Library/Ringtones", NULL, 0) == -1 && errno == EINVAL ||
9711         readlink("/Library/Wallpaper", NULL, 0) == -1 && errno == EINVAL ||
9712         //readlink("/usr/bin", NULL, 0) == -1 && errno == EINVAL ||
9713         readlink("/usr/include", NULL, 0) == -1 && errno == EINVAL ||
9714         readlink("/usr/lib/pam", NULL, 0) == -1 && errno == EINVAL ||
9715         readlink("/usr/libexec", NULL, 0) == -1 && errno == EINVAL ||
9716         readlink("/usr/share", NULL, 0) == -1 && errno == EINVAL ||
9717         //readlink("/var/lib", NULL, 0) == -1 && errno == EINVAL ||
9718         false
9719     ) {
9720         [self addStashController];
9721         // XXX: this would be much cleaner as a yieldToSelector:
9722         // that way the removeStashController could happen right here inline
9723         // we also could no longer require the useless stash_ field anymore
9724         [self performSelector:@selector(stash) withObject:nil afterDelay:0];
9725         return;
9726     }
9727
9728     database_ = [Database sharedInstance];
9729     [database_ setDelegate:self];
9730
9731     [window_ setUserInteractionEnabled:NO];
9732     [self setupViewControllers];
9733
9734     emulated_ = [[CYEmulatedLoadingController alloc] initWithDatabase:database_];
9735     [window_ addSubview:[emulated_ view]];
9736
9737     [self performSelector:@selector(loadData) withObject:nil afterDelay:0];
9738 _trace();
9739 }
9740
9741 - (void) loadData {
9742 _trace();
9743     if (Role_ == nil) {
9744         [window_ setUserInteractionEnabled:YES];
9745         [self presentModalViewController:[[[SettingsController alloc] initWithDatabase:database_ delegate:self] autorelease] force:NO];
9746         return;
9747     } else {
9748         if ([emulated_ modalViewController] != nil)
9749             [emulated_ dismissModalViewControllerAnimated:YES];
9750         [window_ setUserInteractionEnabled:NO];
9751     }
9752
9753     [self reloadData];
9754     PrintTimes();
9755
9756     [self disemulate];
9757
9758     int selectedIndex = 0;
9759     NSMutableArray *items = nil;
9760
9761     bool recently = false;
9762     NSDate *closed([Metadata_ objectForKey:@"LastClosed"]);
9763     if (closed != nil) {
9764         NSTimeInterval interval([closed timeIntervalSinceNow]);
9765         // XXX: Is 15 minutes the optimal time here?
9766         if (interval <= 0 && interval > -(15*60))
9767             recently = true;
9768     }
9769
9770     items = [[Metadata_ objectForKey:@"InterfaceState"] mutableCopy];
9771     selectedIndex = [[Metadata_ objectForKey:@"InterfaceIndex"] intValue];
9772
9773     BOOL enough = YES;
9774     for (NSArray *entry in items)
9775         if ([entry count] <= 0)
9776             enough = NO;
9777
9778     if (!recently || !items || !enough) {
9779         selectedIndex = 0;
9780         items = [NSMutableArray array];
9781         [items addObject:[NSArray arrayWithObject:@"cydia://home"]];
9782         [items addObject:[NSArray arrayWithObject:@"cydia://sections"]];
9783         [items addObject:[NSArray arrayWithObject:@"cydia://changes"]];
9784         if (!IsWildcat_) {
9785             [items addObject:[NSArray arrayWithObject:@"cydia://manage"]];
9786         } else {
9787             [items addObject:[NSArray arrayWithObject:@"cydia://installed"]];
9788             [items addObject:[NSArray arrayWithObject:@"cydia://sources"]];
9789         }
9790         [items addObject:[NSArray arrayWithObject:@"cydia://search"]];
9791     }
9792
9793     [tabbar_ setSelectedIndex:selectedIndex];
9794     for (unsigned int tab = 0; tab < [[tabbar_ viewControllers] count]; tab++) {
9795         NSArray *stack = [items objectAtIndex:tab];
9796         CYNavigationController *navigation = [[tabbar_ viewControllers] objectAtIndex:tab];
9797         NSMutableArray *current = [NSMutableArray array];
9798
9799         for (unsigned int nav = 0; nav < [stack count]; nav++) {
9800             NSString *addr = [stack objectAtIndex:nav];
9801             NSURL *url = [NSURL URLWithString:addr];
9802             CYViewController *page = [self pageForURL:url forExternal:NO];
9803             if (page != nil)
9804                 [current addObject:page];
9805         }
9806
9807         [navigation setViewControllers:current];
9808     }
9809
9810     // (Try to) show the startup URL.
9811     if (starturl_ != nil) {
9812         [self openCydiaURL:starturl_ forExternal:NO];
9813         [starturl_ release];
9814         starturl_ = nil;
9815     }
9816 }
9817
9818 - (void) showActionSheet:(UIActionSheet *)sheet fromItem:(UIBarButtonItem *)item {
9819     if (item != nil && IsWildcat_) {
9820         [sheet showFromBarButtonItem:item animated:YES];
9821     } else {
9822         [sheet showInView:window_];
9823     }
9824 }
9825
9826 - (void) addProgressEvent:(CydiaProgressEvent *)event forTask:(NSString *)task {
9827     id<ProgressDelegate> progress([database_ progressDelegate] ?: [self invokeNewProgress:nil forController:nil withTitle:task]);
9828     [progress setTitle:task];
9829     [progress addProgressEvent:event];
9830 }
9831
9832 - (void) addProgressEventForTask:(NSArray *)data {
9833     CydiaProgressEvent *event([data objectAtIndex:0]);
9834     NSString *task([data count] < 2 ? nil : [data objectAtIndex:1]);
9835     [self addProgressEvent:event forTask:task];
9836 }
9837
9838 - (void) addProgressEventOnMainThread:(CydiaProgressEvent *)event forTask:(NSString *)task {
9839     [self performSelectorOnMainThread:@selector(addProgressEventForTask:) withObject:[NSArray arrayWithObjects:event, task, nil] waitUntilDone:YES];
9840 }
9841
9842 @end
9843
9844 /*IMP alloc_;
9845 id Alloc_(id self, SEL selector) {
9846     id object = alloc_(self, selector);
9847     lprintf("[%s]A-%p\n", self->isa->name, object);
9848     return object;
9849 }*/
9850
9851 /*IMP dealloc_;
9852 id Dealloc_(id self, SEL selector) {
9853     id object = dealloc_(self, selector);
9854     lprintf("[%s]D-%p\n", self->isa->name, object);
9855     return object;
9856 }*/
9857
9858 Class $WebDefaultUIKitDelegate;
9859
9860 MSHook(void, UIWebDocumentView$_setUIKitDelegate$, UIWebDocumentView *self, SEL _cmd, id delegate) {
9861     if (delegate == nil && $WebDefaultUIKitDelegate != nil)
9862         delegate = [$WebDefaultUIKitDelegate sharedUIKitDelegate];
9863     return _UIWebDocumentView$_setUIKitDelegate$(self, _cmd, delegate);
9864 }
9865
9866 static NSNumber *shouldPlayKeyboardSounds;
9867
9868 Class $UIHardware;
9869
9870 MSHook(void, UIHardware$_playSystemSound$, Class self, SEL _cmd, int sound) {
9871     switch (sound) {
9872         case 1104: // Keyboard Button Clicked
9873         case 1105: // Keyboard Delete Repeated
9874             if (shouldPlayKeyboardSounds == nil) {
9875                 NSDictionary *dict([[[NSDictionary alloc] initWithContentsOfFile:@"/var/mobile/Library/Preferences/com.apple.preferences.sounds.plist"] autorelease]);
9876                 shouldPlayKeyboardSounds = [([dict objectForKey:@"keyboard"] ?: (id) kCFBooleanTrue) retain];
9877             }
9878
9879             if (![shouldPlayKeyboardSounds boolValue])
9880                 break;
9881
9882         default:
9883             _UIHardware$_playSystemSound$(self, _cmd, sound);
9884     }
9885 }
9886
9887 Class $UIApplication;
9888
9889 MSHook(void, UIApplication$_updateApplicationAccessibility, UIApplication *self, SEL _cmd) {
9890     static BOOL initialized = NO;
9891     static BOOL started = NO;
9892
9893     NSDictionary *dict([[[NSDictionary alloc] initWithContentsOfFile:@"/var/mobile/Library/Preferences/com.apple.Accessibility.plist"] autorelease]);
9894     BOOL enabled = [[dict objectForKey:@"VoiceOverTouchEnabled"] boolValue] || [[dict objectForKey:@"VoiceOverTouchEnabledByiTunes"] boolValue];
9895
9896     if ([self respondsToSelector:@selector(_accessibilityBundlePrincipalClass)]) {
9897         id bundle = [self performSelector:@selector(_accessibilityBundlePrincipalClass)];
9898         if (![bundle respondsToSelector:@selector(_accessibilityStopServer)]) return;
9899         if (![bundle respondsToSelector:@selector(_accessibilityStartServer)]) return;
9900
9901         if (initialized && !enabled) {
9902             initialized = NO;
9903             [bundle performSelector:@selector(_accessibilityStopServer)];
9904         } else if (enabled) {
9905             initialized = YES;
9906             if (!started) {
9907                 started = YES;
9908                 [bundle performSelector:@selector(_accessibilityStartServer)];
9909             }
9910         }
9911     }
9912 }
9913
9914 int main(int argc, char *argv[]) { _pooled
9915     _trace();
9916
9917     UpdateExternalStatus(0);
9918
9919     if (Class $UIDevice = objc_getClass("UIDevice")) {
9920         UIDevice *device([$UIDevice currentDevice]);
9921         IsWildcat_ = [device respondsToSelector:@selector(isWildcat)] && [device isWildcat];
9922     } else
9923         IsWildcat_ = false;
9924
9925     UIScreen *screen([UIScreen mainScreen]);
9926     if ([screen respondsToSelector:@selector(scale)])
9927         ScreenScale_ = [screen scale];
9928     else
9929         ScreenScale_ = 1;
9930
9931     UIDevice *device([UIDevice currentDevice]);
9932     if (![device respondsToSelector:@selector(userInterfaceIdiom)])
9933         Idiom_ = @"iphone";
9934     else {
9935         UIUserInterfaceIdiom idiom([device userInterfaceIdiom]);
9936         if (idiom == UIUserInterfaceIdiomPhone)
9937             Idiom_ = @"iphone";
9938         else if (idiom == UIUserInterfaceIdiomPad)
9939             Idiom_ = @"ipad";
9940         else
9941             NSLog(@"unknown UIUserInterfaceIdiom!");
9942     }
9943
9944     CydiaHosts_ = [NSMutableSet setWithCapacity:2];
9945
9946     UI_ = CydiaURL([NSString stringWithFormat:@"ui/ios~%@", Idiom_]);
9947
9948     PackageName = reinterpret_cast<CYString &(*)(Package *, SEL)>(method_getImplementation(class_getInstanceMethod([Package class], @selector(cyname))));
9949
9950     /* Library Hacks {{{ */
9951     class_addMethod(objc_getClass("DOMNodeList"), @selector(countByEnumeratingWithState:objects:count:), (IMP) &DOMNodeList$countByEnumeratingWithState$objects$count$, "I20@0:4^{NSFastEnumerationState}8^@12I16");
9952
9953     $WebDefaultUIKitDelegate = objc_getClass("WebDefaultUIKitDelegate");
9954     Method UIWebDocumentView$_setUIKitDelegate$(class_getInstanceMethod([WebView class], @selector(_setUIKitDelegate:)));
9955     if (UIWebDocumentView$_setUIKitDelegate$ != NULL) {
9956         _UIWebDocumentView$_setUIKitDelegate$ = reinterpret_cast<void (*)(UIWebDocumentView *, SEL, id)>(method_getImplementation(UIWebDocumentView$_setUIKitDelegate$));
9957         method_setImplementation(UIWebDocumentView$_setUIKitDelegate$, reinterpret_cast<IMP>(&$UIWebDocumentView$_setUIKitDelegate$));
9958     }
9959
9960     $UIHardware = objc_getClass("UIHardware");
9961     Method UIHardware$_playSystemSound$(class_getClassMethod($UIHardware, @selector(_playSystemSound:)));
9962     if (UIHardware$_playSystemSound$ != NULL) {
9963         _UIHardware$_playSystemSound$ = reinterpret_cast<void (*)(Class, SEL, int)>(method_getImplementation(UIHardware$_playSystemSound$));
9964         method_setImplementation(UIHardware$_playSystemSound$, reinterpret_cast<IMP>(&$UIHardware$_playSystemSound$));
9965     }
9966
9967     $UIApplication = objc_getClass("UIApplication");
9968     Method UIApplication$_updateApplicationAccessibility(class_getInstanceMethod($UIApplication, @selector(_updateApplicationAccessibility)));
9969     if (UIApplication$_updateApplicationAccessibility != NULL) {
9970         _UIApplication$_updateApplicationAccessibility = reinterpret_cast<void (*)(UIApplication *, SEL)>(method_getImplementation(UIApplication$_updateApplicationAccessibility));
9971         method_setImplementation(UIApplication$_updateApplicationAccessibility, reinterpret_cast<IMP>(&$UIApplication$_updateApplicationAccessibility));
9972     }
9973     /* }}} */
9974     /* Set Locale {{{ */
9975     Locale_ = CFLocaleCopyCurrent();
9976     Languages_ = [NSLocale preferredLanguages];
9977     //CFStringRef locale(CFLocaleGetIdentifier(Locale_));
9978     //NSLog(@"%@", [Languages_ description]);
9979
9980     const char *lang;
9981     if (Languages_ == nil || [Languages_ count] == 0)
9982         // XXX: consider just setting to C and then falling through?
9983         lang = NULL;
9984     else {
9985         lang = [[Languages_ objectAtIndex:0] UTF8String];
9986         setenv("LANG", lang, true);
9987         std::setlocale(LC_ALL, lang);
9988     }
9989
9990     NSLog(@"Setting Language: %s", lang);
9991     /* }}} */
9992
9993     apr_app_initialize(&argc, const_cast<const char * const **>(&argv), NULL);
9994
9995     /* Parse Arguments {{{ */
9996     bool substrate(false);
9997
9998     if (argc != 0) {
9999         char **args(argv);
10000         int arge(1);
10001
10002         for (int argi(1); argi != argc; ++argi)
10003             if (strcmp(argv[argi], "--") == 0) {
10004                 arge = argi;
10005                 argv[argi] = argv[0];
10006                 argv += argi;
10007                 argc -= argi;
10008                 break;
10009             }
10010
10011         for (int argi(1); argi != arge; ++argi)
10012             if (strcmp(args[argi], "--substrate") == 0)
10013                 substrate = true;
10014             else
10015                 fprintf(stderr, "unknown argument: %s\n", args[argi]);
10016     }
10017     /* }}} */
10018
10019     App_ = [[NSBundle mainBundle] bundlePath];
10020     Advanced_ = YES;
10021
10022     setuid(0);
10023     setgid(0);
10024
10025     /*Method alloc = class_getClassMethod([NSObject class], @selector(alloc));
10026     alloc_ = alloc->method_imp;
10027     alloc->method_imp = (IMP) &Alloc_;*/
10028
10029     /*Method dealloc = class_getClassMethod([NSObject class], @selector(dealloc));
10030     dealloc_ = dealloc->method_imp;
10031     dealloc->method_imp = (IMP) &Dealloc_;*/
10032
10033     /* System Information {{{ */
10034     size_t size;
10035
10036     int maxproc;
10037     size = sizeof(maxproc);
10038     if (sysctlbyname("kern.maxproc", &maxproc, &size, NULL, 0) == -1)
10039         perror("sysctlbyname(\"kern.maxproc\", ?)");
10040     else if (maxproc < 64) {
10041         maxproc = 64;
10042         if (sysctlbyname("kern.maxproc", NULL, NULL, &maxproc, sizeof(maxproc)) == -1)
10043             perror("sysctlbyname(\"kern.maxproc\", #)");
10044     }
10045
10046     sysctlbyname("kern.osversion", NULL, &size, NULL, 0);
10047     char *osversion = new char[size];
10048     if (sysctlbyname("kern.osversion", osversion, &size, NULL, 0) == -1)
10049         perror("sysctlbyname(\"kern.osversion\", ?)");
10050     else
10051         System_ = [NSString stringWithUTF8String:osversion];
10052
10053     sysctlbyname("hw.machine", NULL, &size, NULL, 0);
10054     char *machine = new char[size];
10055     if (sysctlbyname("hw.machine", machine, &size, NULL, 0) == -1)
10056         perror("sysctlbyname(\"hw.machine\", ?)");
10057     else
10058         Machine_ = machine;
10059
10060     if (CFMutableDictionaryRef dict = IOServiceMatching("IOPlatformExpertDevice")) {
10061         if (io_service_t service = IOServiceGetMatchingService(kIOMasterPortDefault, dict)) {
10062             if (CFTypeRef serial = IORegistryEntryCreateCFProperty(service, CFSTR(kIOPlatformSerialNumberKey), kCFAllocatorDefault, 0)) {
10063                 SerialNumber_ = [NSString stringWithString:(NSString *)serial];
10064                 CFRelease(serial);
10065             }
10066
10067             if (CFTypeRef ecid = IORegistryEntrySearchCFProperty(service, kIODeviceTreePlane, CFSTR("unique-chip-id"), kCFAllocatorDefault, kIORegistryIterateRecursively)) {
10068                 NSData *data((NSData *) ecid);
10069                 size_t length([data length]);
10070                 uint8_t bytes[length];
10071                 [data getBytes:bytes];
10072                 char string[length * 2 + 1];
10073                 for (size_t i(0); i != length; ++i)
10074                     sprintf(string + i * 2, "%.2X", bytes[length - i - 1]);
10075                 ChipID_ = [NSString stringWithUTF8String:string];
10076                 CFRelease(ecid);
10077             }
10078
10079             IOObjectRelease(service);
10080         }
10081     }
10082
10083     UniqueID_ = [[UIDevice currentDevice] uniqueIdentifier];
10084
10085     CFStringRef (*$CTSIMSupportCopyMobileSubscriberCountryCode)(CFAllocatorRef);
10086     $CTSIMSupportCopyMobileSubscriberCountryCode = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberCountryCode"));
10087     CFStringRef mcc($CTSIMSupportCopyMobileSubscriberCountryCode == NULL ? NULL : (*$CTSIMSupportCopyMobileSubscriberCountryCode)(kCFAllocatorDefault));
10088
10089     CFStringRef (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(CFAllocatorRef);
10090     $CTSIMSupportCopyMobileSubscriberNetworkCode = reinterpret_cast<CFStringRef (*)(CFAllocatorRef)>(dlsym(RTLD_DEFAULT, "CTSIMSupportCopyMobileSubscriberCountryCode"));
10091     CFStringRef mnc($CTSIMSupportCopyMobileSubscriberNetworkCode == NULL ? NULL : (*$CTSIMSupportCopyMobileSubscriberNetworkCode)(kCFAllocatorDefault));
10092
10093     if (mcc != NULL && mnc != NULL)
10094         PLMN_ = [NSString stringWithFormat:@"%@%@", mcc, mnc];
10095
10096     if (mnc != NULL)
10097         CFRelease(mnc);
10098     if (mcc != NULL)
10099         CFRelease(mcc);
10100
10101     if (NSDictionary *system = [NSDictionary dictionaryWithContentsOfFile:@"/System/Library/CoreServices/SystemVersion.plist"])
10102         Build_ = [system objectForKey:@"ProductBuildVersion"];
10103     if (NSDictionary *info = [NSDictionary dictionaryWithContentsOfFile:@"/Applications/MobileSafari.app/Info.plist"]) {
10104         Product_ = [info objectForKey:@"SafariProductVersion"];
10105         Safari_ = [info objectForKey:@"CFBundleVersion"];
10106     }
10107     /* }}} */
10108     /* Load Database {{{ */
10109     _trace();
10110     Metadata_ = [[[NSMutableDictionary alloc] initWithContentsOfFile:@"/var/lib/cydia/metadata.plist"] autorelease];
10111     _trace();
10112     SectionMap_ = [[[NSDictionary alloc] initWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"Sections" ofType:@"plist"]] autorelease];
10113
10114     if (Metadata_ == NULL)
10115         Metadata_ = [NSMutableDictionary dictionaryWithCapacity:2];
10116     else {
10117         Settings_ = [Metadata_ objectForKey:@"Settings"];
10118
10119         Packages_ = [Metadata_ objectForKey:@"Packages"];
10120         Sections_ = [Metadata_ objectForKey:@"Sections"];
10121         Sources_ = [Metadata_ objectForKey:@"Sources"];
10122
10123         Token_ = [Metadata_ objectForKey:@"Token"];
10124     }
10125
10126     if (Settings_ != nil)
10127         Role_ = [Settings_ objectForKey:@"Role"];
10128
10129     if (Sections_ == nil) {
10130         Sections_ = [[[NSMutableDictionary alloc] initWithCapacity:32] autorelease];
10131         [Metadata_ setObject:Sections_ forKey:@"Sections"];
10132     }
10133
10134     if (Sources_ == nil) {
10135         Sources_ = [[[NSMutableDictionary alloc] initWithCapacity:0] autorelease];
10136         [Metadata_ setObject:Sources_ forKey:@"Sources"];
10137     }
10138     /* }}} */
10139
10140     _trace();
10141     MetaFile_.Open("/var/lib/cydia/metadata.cb0");
10142     _trace();
10143
10144     if (Packages_ != nil) {
10145         bool fail(false);
10146         CFDictionaryApplyFunction((CFDictionaryRef) Packages_, &PackageImport, &fail);
10147         _trace();
10148
10149         if (!fail) {
10150             [Metadata_ removeObjectForKey:@"Packages"];
10151             Packages_ = nil;
10152             Changed_ = true;
10153         }
10154     }
10155
10156     Finishes_ = [NSArray arrayWithObjects:@"return", @"reopen", @"restart", @"reload", @"reboot", nil];
10157
10158 #define MobileSubstrate_(name) \
10159     if (substrate && access("/Library/MobileSubstrate/DynamicLibraries/" #name ".dylib", F_OK) == 0) { \
10160         void *handle(dlopen("/Library/MobileSubstrate/DynamicLibraries/" #name ".dylib", RTLD_LAZY | RTLD_GLOBAL)); \
10161         if (handle == NULL) \
10162             NSLog(@"%s", dlerror()); \
10163     }
10164
10165     MobileSubstrate_(Activator)
10166     MobileSubstrate_(libstatusbar)
10167     MobileSubstrate_(SimulatedKeyEvents)
10168     MobileSubstrate_(WinterBoard)
10169
10170     /*if (substrate && access("/Library/MobileSubstrate/MobileSubstrate.dylib", F_OK) == 0)
10171         dlopen("/Library/MobileSubstrate/MobileSubstrate.dylib", RTLD_LAZY | RTLD_GLOBAL);*/
10172
10173     int version([[NSString stringWithContentsOfFile:@"/var/lib/cydia/firmware.ver"] intValue]);
10174
10175     if (access("/tmp/.cydia.fw", F_OK) == 0) {
10176         unlink("/tmp/.cydia.fw");
10177         goto firmware;
10178     } else if (access("/User", F_OK) != 0 || version < 4) {
10179       firmware:
10180         _trace();
10181         system("/usr/libexec/cydia/firmware.sh");
10182         _trace();
10183     }
10184
10185     _assert([[NSFileManager defaultManager]
10186         createDirectoryAtPath:@"/var/cache/apt/archives/partial"
10187         withIntermediateDirectories:YES
10188         attributes:nil
10189         error:NULL
10190     ]);
10191
10192     if (access("/tmp/cydia.chk", F_OK) == 0) {
10193         if (unlink("/var/cache/apt/pkgcache.bin") == -1)
10194             _assert(errno == ENOENT);
10195         if (unlink("/var/cache/apt/srcpkgcache.bin") == -1)
10196             _assert(errno == ENOENT);
10197     }
10198
10199     /* APT Initialization {{{ */
10200     _assert(pkgInitConfig(*_config));
10201     _assert(pkgInitSystem(*_config, _system));
10202
10203     if (lang != NULL)
10204         _config->Set("APT::Acquire::Translation", lang);
10205
10206     // XXX: this timeout might be important :(
10207     //_config->Set("Acquire::http::Timeout", 15);
10208
10209     _config->Set("Acquire::http::MaxParallel", 3);
10210     /* }}} */
10211     /* Color Choices {{{ */
10212     space_ = CGColorSpaceCreateDeviceRGB();
10213
10214     Blue_.Set(space_, 0.2, 0.2, 1.0, 1.0);
10215     Blueish_.Set(space_, 0x19/255.f, 0x32/255.f, 0x50/255.f, 1.0);
10216     Black_.Set(space_, 0.0, 0.0, 0.0, 1.0);
10217     Off_.Set(space_, 0.9, 0.9, 0.9, 1.0);
10218     White_.Set(space_, 1.0, 1.0, 1.0, 1.0);
10219     Gray_.Set(space_, 0.4, 0.4, 0.4, 1.0);
10220     Green_.Set(space_, 0.0, 0.5, 0.0, 1.0);
10221     Purple_.Set(space_, 0.0, 0.0, 0.7, 1.0);
10222     Purplish_.Set(space_, 0.4, 0.4, 0.8, 1.0);
10223
10224     InstallingColor_ = [UIColor colorWithRed:0.88f green:1.00f blue:0.88f alpha:1.00f];
10225     RemovingColor_ = [UIColor colorWithRed:1.00f green:0.88f blue:0.88f alpha:1.00f];
10226     /* }}}*/
10227     /* UIKit Configuration {{{ */
10228     void (*$GSFontSetUseLegacyFontMetrics)(BOOL)(reinterpret_cast<void (*)(BOOL)>(dlsym(RTLD_DEFAULT, "GSFontSetUseLegacyFontMetrics")));
10229     if ($GSFontSetUseLegacyFontMetrics != NULL)
10230         $GSFontSetUseLegacyFontMetrics(YES);
10231
10232     // XXX: I have a feeling this was important
10233     //UIKeyboardDisableAutomaticAppearance();
10234     /* }}} */
10235
10236     Colon_ = UCLocalize("COLON_DELIMITED");
10237     Elision_ = UCLocalize("ELISION");
10238     Error_ = UCLocalize("ERROR");
10239     Warning_ = UCLocalize("WARNING");
10240
10241     _trace();
10242     int value(UIApplicationMain(argc, argv, @"Cydia", @"Cydia"));
10243
10244     CGColorSpaceRelease(space_);
10245     CFRelease(Locale_);
10246
10247     return value;
10248 }