+- (NSString *) id {
+ return id_;
+}
+
+- (NSString *) name {
+ _assert(false);
+ return nil;
+}
+
+@end
+/* }}} */
+/* Package Class {{{ */
+@interface Package : NSObject {
+ pkgCache::PkgIterator iterator_;
+ _transient Database *database_;
+ pkgCache::VerIterator version_;
+ pkgCache::VerFileIterator file_;
+
+ Source *source_;
+ bool cached_;
+
+ NSString *section_;
+
+ NSString *latest_;
+ NSString *installed_;
+
+ NSString *id_;
+ NSString *name_;
+ NSString *tagline_;
+ NSString *icon_;
+ NSString *depiction_;
+ NSString *homepage_;
+ Address *sponsor_;
+ Address *author_;
+ NSArray *tags_;
+ NSString *role_;
+
+ NSArray *relationships_;
+}
+
+- (Package *) initWithIterator:(pkgCache::PkgIterator)iterator database:(Database *)database;
++ (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator database:(Database *)database;
+
+- (pkgCache::PkgIterator) iterator;
+
+- (NSString *) section;
+- (NSString *) simpleSection;
+
+- (Address *) maintainer;
+- (size_t) size;
+- (NSString *) description;
+- (NSString *) index;
+
+- (NSMutableDictionary *) metadata;
+- (NSDate *) seen;
+- (BOOL) subscribed;
+- (BOOL) ignored;
+
+- (NSString *) latest;
+- (NSString *) installed;
+
+- (BOOL) valid;
+- (BOOL) upgradableAndEssential:(BOOL)essential;
+- (BOOL) essential;
+- (BOOL) broken;
+- (BOOL) unfiltered;
+- (BOOL) visible;
+
+- (BOOL) half;
+- (BOOL) halfConfigured;
+- (BOOL) halfInstalled;
+- (BOOL) hasMode;
+- (NSString *) mode;
+
+- (NSString *) id;
+- (NSString *) name;
+- (NSString *) tagline;
+- (UIImage *) icon;
+- (NSString *) homepage;
+- (NSString *) depiction;
+- (Address *) author;
+
+- (NSArray *) files;
+- (NSArray *) relationships;
+- (NSArray *) warnings;
+- (NSArray *) applications;
+
+- (Source *) source;
+- (NSString *) role;
+- (NSString *) rating;
+
+- (BOOL) matches:(NSString *)text;
+
+- (bool) hasSupportingRole;
+- (BOOL) hasTag:(NSString *)tag;
+- (NSString *) primaryPurpose;
+- (NSArray *) purposes;
+
+- (NSComparisonResult) compareByName:(Package *)package;
+- (NSComparisonResult) compareBySection:(Package *)package;
+
+- (uint32_t) compareForChanges;
+
+- (void) install;
+- (void) remove;
+
+- (NSNumber *) isUnfilteredAndSearchedForBy:(NSString *)search;
+- (NSNumber *) isInstalledAndVisible:(NSNumber *)number;
+- (NSNumber *) isVisiblyUninstalledInSection:(NSString *)section;
+- (NSNumber *) isVisibleInSource:(Source *)source;
+
+@end
+
+@implementation Package
+
+- (void) dealloc {
+ if (source_ != nil)
+ [source_ release];
+
+ if (section_ != nil)
+ [section_ release];
+
+ [latest_ release];
+ if (installed_ != nil)
+ [installed_ release];
+
+ [id_ release];
+ if (name_ != nil)
+ [name_ release];
+ [tagline_ release];
+ if (icon_ != nil)
+ [icon_ release];
+ if (depiction_ != nil)
+ [depiction_ release];
+ if (homepage_ != nil)
+ [homepage_ release];
+ if (sponsor_ != nil)
+ [sponsor_ release];
+ if (author_ != nil)
+ [author_ release];
+ if (tags_ != nil)
+ [tags_ release];
+ if (role_ != nil)
+ [role_ release];
+
+ if (relationships_ != nil)
+ [relationships_ release];
+
+ [super dealloc];
+}
+
++ (NSArray *) _attributeKeys {
+ return [NSArray arrayWithObjects:@"applications", @"author", @"depiction", @"description", @"essential", @"homepage", @"icon", @"id", @"installed", @"latest", @"maintainer", @"name", @"purposes", @"rating", @"section", @"size", @"source", @"sponsor", @"tagline", @"warnings", nil];
+}
+
+- (NSArray *) attributeKeys {
+ return [[self class] _attributeKeys];
+}
+
++ (BOOL) isKeyExcludedFromWebScript:(const char *)name {
+ return ![[self _attributeKeys] containsObject:[NSString stringWithUTF8String:name]] && [super isKeyExcludedFromWebScript:name];
+}
+
+- (Package *) initWithIterator:(pkgCache::PkgIterator)iterator database:(Database *)database {
+ if ((self = [super init]) != nil) {
+ iterator_ = iterator;
+ database_ = database;
+
+ version_ = [database_ policy]->GetCandidateVer(iterator_);
+ NSString *latest = version_.end() ? nil : [NSString stringWithUTF8String:version_.VerStr()];
+ latest_ = latest == nil ? nil : [StripVersion(latest) retain];
+
+ pkgCache::VerIterator current = iterator_.CurrentVer();
+ NSString *installed = current.end() ? nil : [NSString stringWithUTF8String:current.VerStr()];
+ installed_ = [StripVersion(installed) retain];
+
+ if (!version_.end())
+ file_ = version_.FileList();
+ else {
+ pkgCache &cache([database_ cache]);
+ file_ = pkgCache::VerFileIterator(cache, cache.VerFileP);
+ }
+
+ id_ = [[NSString stringWithUTF8String:iterator_.Name()] retain];
+
+ if (!file_.end()) {
+ pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
+
+ const char *begin, *end;
+ parser->GetRec(begin, end);
+
+ NSString *website(nil);
+ NSString *sponsor(nil);
+ NSString *author(nil);
+ NSString *tag(nil);
+
+ struct {
+ const char *name_;
+ NSString **value_;
+ } names[] = {
+ {"name", &name_},
+ {"icon", &icon_},
+ {"depiction", &depiction_},
+ {"homepage", &homepage_},
+ {"website", &website},
+ {"sponsor", &sponsor},
+ {"author", &author},
+ {"tag", &tag},
+ };
+
+ while (begin != end)
+ if (*begin == '\n') {
+ ++begin;
+ continue;
+ } else if (isblank(*begin)) next: {
+ begin = static_cast<char *>(memchr(begin + 1, '\n', end - begin - 1));
+ if (begin == NULL)
+ break;
+ } else if (const char *colon = static_cast<char *>(memchr(begin, ':', end - begin))) {
+ const char *name(begin);
+ size_t size(colon - begin);
+
+ begin = static_cast<char *>(memchr(begin, '\n', end - begin));
+
+ {
+ const char *stop(begin == NULL ? end : begin);
+ while (stop[-1] == '\r')
+ --stop;
+ while (++colon != stop && isblank(*colon));
+
+ for (size_t i(0); i != sizeof(names) / sizeof(names[0]); ++i)
+ if (strncasecmp(names[i].name_, name, size) == 0) {
+ NSString *value([NSString stringWithUTF8Bytes:colon length:(stop - colon)]);
+ *names[i].value_ = value;
+ break;
+ }
+ }
+
+ if (begin == NULL)
+ break;
+ ++begin;
+ } else goto next;
+
+ if (name_ != nil)
+ name_ = [name_ retain];
+ tagline_ = [[NSString stringWithUTF8String:parser->ShortDesc().c_str()] retain];
+ if (icon_ != nil)
+ icon_ = [icon_ retain];
+ if (depiction_ != nil)
+ depiction_ = [depiction_ retain];
+ if (homepage_ == nil)
+ homepage_ = website;
+ if ([homepage_ isEqualToString:depiction_])
+ homepage_ = nil;
+ if (homepage_ != nil)
+ homepage_ = [homepage_ retain];
+ if (sponsor != nil)
+ sponsor_ = [[Address addressWithString:sponsor] retain];
+ if (author != nil)
+ author_ = [[Address addressWithString:author] retain];
+ if (tag != nil)
+ tags_ = [[tag componentsSeparatedByString:@", "] retain];
+ }
+
+ if (tags_ != nil)
+ for (int i(0), e([tags_ count]); i != e; ++i) {
+ NSString *tag = [tags_ objectAtIndex:i];
+ if ([tag hasPrefix:@"role::"]) {
+ role_ = [[tag substringFromIndex:6] retain];
+ break;
+ }
+ }
+
+ NSString *solid(latest == nil ? installed : latest);
+ bool changed(false);
+
+ NSString *key([id_ lowercaseString]);
+
+ NSMutableDictionary *metadata = [Packages_ objectForKey:key];
+ if (metadata == nil) {
+ metadata = [[NSMutableDictionary dictionaryWithObjectsAndKeys:
+ now_, @"FirstSeen",
+ nil] mutableCopy];
+
+ if (solid != nil)
+ [metadata setObject:solid forKey:@"LastVersion"];
+ changed = true;
+ } else {
+ NSDate *first([metadata objectForKey:@"FirstSeen"]);
+ NSDate *last([metadata objectForKey:@"LastSeen"]);
+ NSString *version([metadata objectForKey:@"LastVersion"]);
+
+ if (first == nil) {
+ first = last == nil ? now_ : last;
+ [metadata setObject:first forKey:@"FirstSeen"];
+ changed = true;
+ }
+
+ if (solid != nil)
+ if (version == nil) {
+ [metadata setObject:solid forKey:@"LastVersion"];
+ changed = true;
+ } else if (![version isEqualToString:solid]) {
+ [metadata setObject:solid forKey:@"LastVersion"];
+ last = now_;
+ [metadata setObject:last forKey:@"LastSeen"];
+ changed = true;
+ }
+ }
+
+ if (changed) {
+ [Packages_ setObject:metadata forKey:key];
+ Changed_ = true;
+ }
+ } return self;
+}
+
++ (Package *) packageWithIterator:(pkgCache::PkgIterator)iterator database:(Database *)database {
+ return [[[Package alloc]
+ initWithIterator:iterator
+ database:database
+ ] autorelease];
+}
+
+- (pkgCache::PkgIterator) iterator {
+ return iterator_;
+}
+
+- (NSString *) section {
+ if (section_ != nil)
+ return section_;
+
+ const char *section = iterator_.Section();
+ if (section == NULL)
+ return nil;
+
+ NSString *name = [[NSString stringWithUTF8String:section] stringByReplacingCharacter:' ' withCharacter:'_'];
+
+ lookup:
+ if (NSDictionary *value = [SectionMap_ objectForKey:name])
+ if (NSString *rename = [value objectForKey:@"Rename"]) {
+ name = rename;
+ goto lookup;
+ }
+
+ section_ = [[name stringByReplacingCharacter:'_' withCharacter:' '] retain];
+ return section_;
+}
+
+- (NSString *) simpleSection {
+ if (NSString *section = [self section])
+ return Simplify(section);
+ else
+ return nil;
+
+}
+
+- (Address *) maintainer {
+ if (file_.end())
+ return nil;
+ pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
+ return [Address addressWithString:[NSString stringWithUTF8String:parser->Maintainer().c_str()]];
+}
+
+- (size_t) size {
+ return version_.end() ? 0 : version_->InstalledSize;
+}
+
+- (NSString *) description {
+ if (file_.end())
+ return nil;
+ pkgRecords::Parser *parser = &[database_ records]->Lookup(file_);
+ NSString *description([NSString stringWithUTF8String:parser->LongDesc().c_str()]);
+
+ NSArray *lines = [description componentsSeparatedByString:@"\n"];
+ NSMutableArray *trimmed = [NSMutableArray arrayWithCapacity:([lines count] - 1)];
+ if ([lines count] < 2)
+ return nil;
+
+ NSCharacterSet *whitespace = [NSCharacterSet whitespaceCharacterSet];
+ for (size_t i(1); i != [lines count]; ++i) {
+ NSString *trim = [[lines objectAtIndex:i] stringByTrimmingCharactersInSet:whitespace];
+ [trimmed addObject:trim];
+ }
+
+ return [trimmed componentsJoinedByString:@"\n"];
+}
+
+- (NSString *) index {
+ NSString *index = [[[self name] substringToIndex:1] uppercaseString];
+ return [index length] != 0 && isalpha([index characterAtIndex:0]) ? index : @"123";
+}
+
+- (NSMutableDictionary *) metadata {
+ return [Packages_ objectForKey:[id_ lowercaseString]];
+}
+
+- (NSDate *) seen {
+ NSDictionary *metadata([self metadata]);
+ if ([self subscribed])
+ if (NSDate *last = [metadata objectForKey:@"LastSeen"])
+ return last;
+ return [metadata objectForKey:@"FirstSeen"];
+}
+
+- (BOOL) subscribed {
+ NSDictionary *metadata([self metadata]);
+ if (NSNumber *subscribed = [metadata objectForKey:@"IsSubscribed"])
+ return [subscribed boolValue];
+ else
+ return false;
+}
+
+- (BOOL) ignored {
+ NSDictionary *metadata([self metadata]);
+ if (NSNumber *ignored = [metadata objectForKey:@"IsIgnored"])
+ return [ignored boolValue];
+ else
+ return false;
+}
+
+- (NSString *) latest {
+ return latest_;
+}
+
+- (NSString *) installed {
+ return installed_;
+}
+
+- (BOOL) valid {
+ return !version_.end();
+}
+
+- (BOOL) upgradableAndEssential:(BOOL)essential {
+ pkgCache::VerIterator current = iterator_.CurrentVer();
+
+ if (current.end())
+ return essential && [self essential];
+ else
+ return !version_.end() && version_ != current;
+}
+
+- (BOOL) essential {
+ return (iterator_->Flags & pkgCache::Flag::Essential) == 0 ? NO : YES;
+}
+
+- (BOOL) broken {
+ return [database_ cache][iterator_].InstBroken();
+}
+
+- (BOOL) unfiltered {
+ NSString *section = [self section];
+ return section == nil || isSectionVisible(section);
+}
+
+- (BOOL) visible {
+ return [self hasSupportingRole] && [self unfiltered];
+}
+
+- (BOOL) half {
+ unsigned char current = iterator_->CurrentState;
+ return current == pkgCache::State::HalfConfigured || current == pkgCache::State::HalfInstalled;
+}
+
+- (BOOL) halfConfigured {
+ return iterator_->CurrentState == pkgCache::State::HalfConfigured;
+}
+
+- (BOOL) halfInstalled {
+ return iterator_->CurrentState == pkgCache::State::HalfInstalled;
+}
+
+- (BOOL) hasMode {
+ pkgDepCache::StateCache &state([database_ cache][iterator_]);
+ return state.Mode != pkgDepCache::ModeKeep;
+}
+
+- (NSString *) mode {
+ pkgDepCache::StateCache &state([database_ cache][iterator_]);
+
+ switch (state.Mode) {
+ case pkgDepCache::ModeDelete:
+ if ((state.iFlags & pkgDepCache::Purge) != 0)
+ return @"Purge";
+ else
+ return @"Remove";
+ case pkgDepCache::ModeKeep:
+ if ((state.iFlags & pkgDepCache::AutoKept) != 0)
+ return nil;
+ else
+ return nil;
+ case pkgDepCache::ModeInstall:
+ if ((state.iFlags & pkgDepCache::ReInstall) != 0)
+ return @"Reinstall";
+ else switch (state.Status) {
+ case -1:
+ return @"Downgrade";
+ case 0:
+ return @"Install";
+ case 1:
+ return @"Upgrade";
+ case 2:
+ return @"New Install";
+ default:
+ _assert(false);
+ }
+ default:
+ _assert(false);
+ }
+}
+
+- (NSString *) id {
+ return id_;
+}
+
+- (NSString *) name {
+ return name_ == nil ? id_ : name_;
+}
+
+- (NSString *) tagline {
+ return tagline_;
+}
+
+- (UIImage *) icon {
+ NSString *section = [self simpleSection];
+
+ UIImage *icon(nil);
+ if (NSString *icon = icon_)
+ icon = [UIImage imageAtPath:[icon_ substringFromIndex:6]];
+ if (icon == nil) if (section != nil)
+ icon = [UIImage imageAtPath:[NSString stringWithFormat:@"%@/Sections/%@.png", App_, section]];
+ if (icon == nil) if (source_ != nil) if (NSString *icon = [source_ defaultIcon])
+ icon = [UIImage imageAtPath:[icon substringFromIndex:6]];
+ if (icon == nil)
+ icon = [UIImage applicationImageNamed:@"unknown.png"];
+ return icon;
+}
+
+- (NSString *) homepage {
+ return homepage_;
+}
+
+- (NSString *) depiction {
+ return depiction_;
+}
+
+- (Address *) sponsor {
+ return sponsor_;
+}
+
+- (Address *) author {
+ return author_;
+}
+
+- (NSArray *) files {
+ NSString *path = [NSString stringWithFormat:@"/var/lib/dpkg/info/%@.list", id_];
+ NSMutableArray *files = [NSMutableArray arrayWithCapacity:128];
+
+ std::ifstream fin;
+ fin.open([path UTF8String]);
+ if (!fin.is_open())
+ return nil;
+
+ std::string line;
+ while (std::getline(fin, line))
+ [files addObject:[NSString stringWithUTF8String:line.c_str()]];
+
+ return files;
+}
+
+- (NSArray *) relationships {
+ return relationships_;
+}
+
+- (NSArray *) warnings {
+ NSMutableArray *warnings([NSMutableArray arrayWithCapacity:4]);
+ const char *name(iterator_.Name());
+
+ size_t length(strlen(name));
+ if (length < 2) invalid:
+ [warnings addObject:@"illegal package identifier"];
+ else for (size_t i(0); i != length; ++i)
+ if (
+ /* XXX: technically this is not allowed */
+ (name[i] < 'A' || name[i] > 'Z') &&
+ (name[i] < 'a' || name[i] > 'z') &&
+ (name[i] < '0' || name[i] > '9') &&
+ (i == 0 || name[i] != '+' && name[i] != '-' && name[i] != '.')
+ ) goto invalid;
+
+ if (strcmp(name, "cydia") != 0) {
+ bool cydia = false;
+ bool _private = false;
+ bool stash = false;
+
+ bool repository = [[self section] isEqualToString:@"Repositories"];
+
+ if (NSArray *files = [self files])
+ for (NSString *file in files)
+ if (!cydia && [file isEqualToString:@"/Applications/Cydia.app"])
+ cydia = true;
+ else if (!_private && [file isEqualToString:@"/private"])
+ _private = true;
+ else if (!stash && [file isEqualToString:@"/var/stash"])
+ stash = true;
+
+ /* XXX: this is not sensitive enough. only some folders are valid. */
+ if (cydia && !repository)
+ [warnings addObject:@"files installed into Cydia.app"];
+ if (_private)
+ [warnings addObject:@"files installed with /private/*"];
+ if (stash)
+ [warnings addObject:@"files installed to /var/stash"];
+ }
+
+ return [warnings count] == 0 ? nil : warnings;
+}
+
+- (NSArray *) applications {
+ NSString *me([[NSBundle mainBundle] bundleIdentifier]);
+
+ NSMutableArray *applications([NSMutableArray arrayWithCapacity:2]);
+
+ static Pcre application_r("^/Applications/(.*)\\.app/Info.plist$");
+ if (NSArray *files = [self files])
+ for (NSString *file in files)
+ if (application_r(file)) {
+ NSDictionary *info([NSDictionary dictionaryWithContentsOfFile:file]);
+ NSString *id([info objectForKey:@"CFBundleIdentifier"]);
+ if ([id isEqualToString:me])
+ continue;
+
+ NSString *display([info objectForKey:@"CFBundleDisplayName"]);
+ if (display == nil)
+ display = application_r[1];
+
+ NSString *bundle([file stringByDeletingLastPathComponent]);
+ NSString *icon([info objectForKey:@"CFBundleIconFile"]);
+ if (icon == nil || [icon length] == 0)
+ icon = @"icon.png";
+ NSURL *url([NSURL fileURLWithPath:[bundle stringByAppendingPathComponent:icon]]);
+
+ NSMutableArray *application([NSMutableArray arrayWithCapacity:2]);
+ [applications addObject:application];
+
+ [application addObject:id];
+ [application addObject:display];
+ [application addObject:url];
+ }
+
+ return [applications count] == 0 ? nil : applications;
+}
+
+- (Source *) source {
+ if (!cached_) {
+ source_ = file_.end() ? nil : [[database_ getSource:file_.File()] retain];
+ cached_ = true;
+ }
+
+ return source_;
+}
+
+- (NSString *) role {
+ return role_;
+}
+
+- (NSString *) rating {
+ if (NSString *rating = [Indices_ objectForKey:@"Rating"])
+ return [rating stringByReplacingOccurrencesOfString:@"@P" withString:[id_ stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
+ else
+ return nil;
+}
+
+- (BOOL) matches:(NSString *)text {
+ if (text == nil)
+ return NO;
+
+ NSRange range;
+
+ range = [[self id] rangeOfString:text options:NSCaseInsensitiveSearch];
+ if (range.location != NSNotFound)
+ return YES;
+
+ range = [[self name] rangeOfString:text options:NSCaseInsensitiveSearch];
+ if (range.location != NSNotFound)
+ return YES;
+
+ range = [[self tagline] rangeOfString:text options:NSCaseInsensitiveSearch];
+ if (range.location != NSNotFound)
+ return YES;
+
+ return NO;
+}
+
+- (bool) hasSupportingRole {
+ if (role_ == nil)
+ return true;
+ if ([role_ isEqualToString:@"enduser"])
+ return true;
+ if ([Role_ isEqualToString:@"User"])
+ return false;
+ if ([role_ isEqualToString:@"hacker"])
+ return true;
+ if ([Role_ isEqualToString:@"Hacker"])
+ return false;
+ if ([role_ isEqualToString:@"developer"])
+ return true;
+ if ([Role_ isEqualToString:@"Developer"])
+ return false;
+ _assert(false);
+}
+
+- (BOOL) hasTag:(NSString *)tag {
+ return tags_ == nil ? NO : [tags_ containsObject:tag];
+}
+
+- (NSString *) primaryPurpose {
+ for (NSString *tag in tags_)
+ if ([tag hasPrefix:@"purpose::"])
+ return [tag substringFromIndex:9];
+ return nil;
+}
+
+- (NSArray *) purposes {
+ NSMutableArray *purposes([NSMutableArray arrayWithCapacity:2]);
+ for (NSString *tag in tags_)
+ if ([tag hasPrefix:@"purpose::"])
+ [purposes addObject:[tag substringFromIndex:9]];
+ return [purposes count] == 0 ? nil : purposes;
+}
+
+- (NSComparisonResult) compareByName:(Package *)package {
+ NSString *lhs = [self name];
+ NSString *rhs = [package name];
+
+ if ([lhs length] != 0 && [rhs length] != 0) {
+ unichar lhc = [lhs characterAtIndex:0];
+ unichar rhc = [rhs characterAtIndex:0];
+
+ if (isalpha(lhc) && !isalpha(rhc))
+ return NSOrderedAscending;
+ else if (!isalpha(lhc) && isalpha(rhc))
+ return NSOrderedDescending;
+ }
+
+ return [lhs compare:rhs options:LaxCompareOptions_];
+}
+
+- (NSComparisonResult) compareBySection:(Package *)package {
+ NSString *lhs = [self section];
+ NSString *rhs = [package section];
+
+ if (lhs == NULL && rhs != NULL)
+ return NSOrderedAscending;
+ else if (lhs != NULL && rhs == NULL)
+ return NSOrderedDescending;
+ else if (lhs != NULL && rhs != NULL) {
+ NSComparisonResult result([lhs compare:rhs options:LaxCompareOptions_]);
+ return result != NSOrderedSame ? result : [lhs compare:rhs options:ForcedCompareOptions_];
+ }
+
+ return NSOrderedSame;
+}
+
+- (uint32_t) compareForChanges {
+ union {
+ uint32_t key;
+
+ struct {
+ uint32_t timestamp : 30;
+ uint32_t ignored : 1;
+ uint32_t upgradable : 1;
+ } bits;
+ } value;
+
+ value.bits.upgradable = [self upgradableAndEssential:YES] ? 1 : 0;
+
+ if ([self upgradableAndEssential:YES]) {
+ value.bits.timestamp = 0;
+ value.bits.ignored = [self ignored] ? 0 : 1;
+ value.bits.upgradable = 1;
+ } else {
+ value.bits.timestamp = static_cast<uint32_t>([[self seen] timeIntervalSince1970]) >> 2;
+ value.bits.ignored = 0;
+ value.bits.upgradable = 0;
+ }
+
+ return _not(uint32_t) - value.key;
+}
+
+- (void) install {
+ pkgProblemResolver *resolver = [database_ resolver];
+ resolver->Clear(iterator_);
+ resolver->Protect(iterator_);
+ pkgCacheFile &cache([database_ cache]);
+ cache->MarkInstall(iterator_, false);
+ pkgDepCache::StateCache &state((*cache)[iterator_]);
+ if (!state.Install())
+ cache->SetReInstall(iterator_, true);
+}
+
+- (void) remove {
+ pkgProblemResolver *resolver = [database_ resolver];
+ resolver->Clear(iterator_);
+ resolver->Protect(iterator_);
+ resolver->Remove(iterator_);
+ [database_ cache]->MarkDelete(iterator_, true);
+}
+
+- (NSNumber *) isUnfilteredAndSearchedForBy:(NSString *)search {
+ return [NSNumber numberWithBool:(
+ [self unfiltered] && [self matches:search]
+ )];
+}
+
+- (NSNumber *) isInstalledAndVisible:(NSNumber *)number {
+ return [NSNumber numberWithBool:(
+ (![number boolValue] || [self visible]) && [self installed] != nil
+ )];
+}
+
+- (NSNumber *) isVisiblyUninstalledInSection:(NSString *)name {
+ NSString *section = [self section];
+
+ return [NSNumber numberWithBool:(
+ [self visible] &&
+ [self installed] == nil && (
+ name == nil ||
+ section == nil && [name length] == 0 ||
+ [name isEqualToString:section]
+ )
+ )];
+}
+
+- (NSNumber *) isVisibleInSource:(Source *)source {
+ return [NSNumber numberWithBool:([self source] == source && [self visible])];
+}
+
+@end
+/* }}} */
+/* Section Class {{{ */
+@interface Section : NSObject {
+ NSString *name_;
+ size_t row_;
+ size_t count_;
+}
+
+- (NSComparisonResult) compareByName:(Section *)section;
+- (Section *) initWithName:(NSString *)name;
+- (Section *) initWithName:(NSString *)name row:(size_t)row;
+- (NSString *) name;
+- (size_t) row;
+- (size_t) count;
+- (void) addToCount;
+
+@end
+
+@implementation Section
+
+- (void) dealloc {
+ [name_ release];
+ [super dealloc];
+}
+
+- (NSComparisonResult) compareByName:(Section *)section {
+ NSString *lhs = [self name];
+ NSString *rhs = [section name];
+
+ if ([lhs length] != 0 && [rhs length] != 0) {
+ unichar lhc = [lhs characterAtIndex:0];
+ unichar rhc = [rhs characterAtIndex:0];
+
+ if (isalpha(lhc) && !isalpha(rhc))
+ return NSOrderedAscending;
+ else if (!isalpha(lhc) && isalpha(rhc))
+ return NSOrderedDescending;
+ }
+
+ return [lhs compare:rhs options:LaxCompareOptions_];
+}
+
+- (Section *) initWithName:(NSString *)name {
+ return [self initWithName:name row:0];
+}
+
+- (Section *) initWithName:(NSString *)name row:(size_t)row {
+ if ((self = [super init]) != nil) {
+ name_ = [name retain];
+ row_ = row;
+ } return self;
+}
+
+- (NSString *) name {
+ return name_;
+}
+
+- (size_t) row {
+ return row_;
+}
+
+- (size_t) count {
+ return count_;
+}
+
+- (void) addToCount {
+ ++count_;
+}
+
+@end
+/* }}} */
+
+static int Finish_;
+static NSArray *Finishes_;
+
+/* Database Implementation {{{ */
+@implementation Database
+
++ (Database *) sharedInstance {
+ static Database *instance;
+ if (instance == nil)
+ instance = [[Database alloc] init];
+ return instance;
+}
+
+- (void) dealloc {
+ _assert(false);
+ [super dealloc];
+}
+
+- (void) _readCydia:(NSNumber *)fd { _pooled
+ __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
+ std::istream is(&ib);
+ std::string line;
+
+ static Pcre finish_r("^finish:([^:]*)$");
+
+ while (std::getline(is, line)) {
+ const char *data(line.c_str());
+ size_t size = line.size();
+ lprintf("C:%s\n", data);
+
+ if (finish_r(data, size)) {
+ NSString *finish = finish_r[1];
+ int index = [Finishes_ indexOfObject:finish];
+ if (index != INT_MAX && index > Finish_)
+ Finish_ = index;
+ }
+ }
+
+ _assert(false);
+}
+
+- (void) _readStatus:(NSNumber *)fd { _pooled
+ __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
+ std::istream is(&ib);
+ std::string line;
+
+ static Pcre conffile_r("^status: [^ ]* : conffile-prompt : (.*?) *$");
+ static Pcre pmstatus_r("^([^:]*):([^:]*):([^:]*):(.*)$");
+
+ while (std::getline(is, line)) {
+ const char *data(line.c_str());
+ size_t size = line.size();
+ lprintf("S:%s\n", data);
+
+ if (conffile_r(data, size)) {
+ [delegate_ setConfigurationData:conffile_r[1]];
+ } else if (strncmp(data, "status: ", 8) == 0) {
+ NSString *string = [NSString stringWithUTF8String:(data + 8)];
+ [delegate_ setProgressTitle:string];
+ } else if (pmstatus_r(data, size)) {
+ std::string type([pmstatus_r[1] UTF8String]);
+ NSString *id = pmstatus_r[2];
+
+ float percent([pmstatus_r[3] floatValue]);
+ [delegate_ setProgressPercent:(percent / 100)];
+
+ NSString *string = pmstatus_r[4];
+
+ if (type == "pmerror")
+ [delegate_ performSelectorOnMainThread:@selector(_setProgressError:)
+ withObject:[NSArray arrayWithObjects:string, id, nil]
+ waitUntilDone:YES
+ ];
+ else if (type == "pmstatus") {
+ [delegate_ setProgressTitle:string];
+ } else if (type == "pmconffile")
+ [delegate_ setConfigurationData:string];
+ else _assert(false);
+ } else _assert(false);
+ }
+
+ _assert(false);
+}
+
+- (void) _readOutput:(NSNumber *)fd { _pooled
+ __gnu_cxx::stdio_filebuf<char> ib([fd intValue], std::ios::in);
+ std::istream is(&ib);
+ std::string line;
+
+ while (std::getline(is, line)) {
+ lprintf("O:%s\n", line.c_str());
+ [delegate_ addProgressOutput:[NSString stringWithUTF8String:line.c_str()]];
+ }
+
+ _assert(false);
+}
+
+- (FILE *) input {
+ return input_;
+}
+
+- (Package *) packageWithName:(NSString *)name {
+ if (static_cast<pkgDepCache *>(cache_) == NULL)
+ return nil;
+ pkgCache::PkgIterator iterator(cache_->FindPkg([name UTF8String]));
+ return iterator.end() ? nil : [Package packageWithIterator:iterator database:self];
+}
+
+- (Database *) init {
+ if ((self = [super init]) != nil) {
+ policy_ = NULL;
+ records_ = NULL;
+ resolver_ = NULL;
+ fetcher_ = NULL;
+ lock_ = NULL;
+
+ sources_ = [[NSMutableDictionary dictionaryWithCapacity:16] retain];
+ packages_ = [[NSMutableArray arrayWithCapacity:16] retain];
+
+ int fds[2];
+
+ _assert(pipe(fds) != -1);
+ cydiafd_ = fds[1];
+
+ _config->Set("APT::Keep-Fds::", cydiafd_);
+ setenv("CYDIA", [[[[NSNumber numberWithInt:cydiafd_] stringValue] stringByAppendingString:@" 1"] UTF8String], _not(int));
+
+ [NSThread
+ detachNewThreadSelector:@selector(_readCydia:)
+ toTarget:self
+ withObject:[[NSNumber numberWithInt:fds[0]] retain]
+ ];
+
+ _assert(pipe(fds) != -1);
+ statusfd_ = fds[1];
+
+ [NSThread
+ detachNewThreadSelector:@selector(_readStatus:)
+ toTarget:self
+ withObject:[[NSNumber numberWithInt:fds[0]] retain]
+ ];
+
+ _assert(pipe(fds) != -1);
+ _assert(dup2(fds[0], 0) != -1);
+ _assert(close(fds[0]) != -1);
+
+ input_ = fdopen(fds[1], "a");
+
+ _assert(pipe(fds) != -1);
+ _assert(dup2(fds[1], 1) != -1);
+ _assert(close(fds[1]) != -1);
+
+ [NSThread
+ detachNewThreadSelector:@selector(_readOutput:)
+ toTarget:self
+ withObject:[[NSNumber numberWithInt:fds[0]] retain]
+ ];
+ } return self;
+}
+
+- (pkgCacheFile &) cache {
+ return cache_;
+}
+
+- (pkgDepCache::Policy *) policy {
+ return policy_;
+}
+
+- (pkgRecords *) records {
+ return records_;
+}
+
+- (pkgProblemResolver *) resolver {
+ return resolver_;
+}
+
+- (pkgAcquire &) fetcher {
+ return *fetcher_;
+}
+
+- (NSArray *) packages {
+ return packages_;
+}
+
+- (NSArray *) sources {
+ return [sources_ allValues];
+}
+
+- (NSArray *) issues {
+ if (cache_->BrokenCount() == 0)
+ return nil;
+
+ NSMutableArray *issues([NSMutableArray arrayWithCapacity:4]);
+
+ for (Package *package in packages_) {
+ if (![package broken])
+ continue;
+ pkgCache::PkgIterator pkg([package iterator]);
+
+ NSMutableArray *entry([NSMutableArray arrayWithCapacity:4]);
+ [entry addObject:[package name]];
+ [issues addObject:entry];