+- (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 (
+ (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 stash = false;
+
+ if (NSArray *files = [self files])
+ for (NSString *file in files)
+ if (!cydia && [file isEqualToString:@"/Applications/Cydia.app"])
+ cydia = true;
+ else if (!stash && [file isEqualToString:@"/var/stash"])
+ stash = true;
+
+ if (cydia)
+ [warnings addObject:@"files installed into Cydia.app"];
+ 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;
+}
+