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Diffstat (limited to 'CyteKit/countByEnumeratingWithState.mm')
-rw-r--r-- | CyteKit/countByEnumeratingWithState.mm | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/CyteKit/countByEnumeratingWithState.mm b/CyteKit/countByEnumeratingWithState.mm new file mode 100644 index 0000000..ca5e577 --- /dev/null +++ b/CyteKit/countByEnumeratingWithState.mm @@ -0,0 +1,74 @@ +/* Cydia - iPhone UIKit Front-End for Debian APT + * Copyright (C) 2008-2015 Jay Freeman (saurik) +*/ + +/* GNU General Public License, Version 3 {{{ */ +/* + * Cydia is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published + * by the Free Software Foundation, either version 3 of the License, + * or (at your option) any later version. + * + * Cydia is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with Cydia. If not, see <http://www.gnu.org/licenses/>. +**/ +/* }}} */ + +#include "CyteKit/UCPlatform.h" + +#include "CyteKit/countByEnumeratingWithState.h" + +#include <objc/runtime.h> + +#include "iPhonePrivate.h" + +static NSUInteger DOMNodeList$countByEnumeratingWithState$objects$count$(DOMNodeList *self, SEL sel, NSFastEnumerationState *state, id *objects, NSUInteger count) { + size_t length([self length] - state->state); + if (length <= 0) + return 0; + else if (length > count) + length = count; + for (size_t i(0); i != length; ++i) + objects[i] = [self item:state->state++]; + state->itemsPtr = objects; + state->mutationsPtr = (unsigned long *) self; + return length; +} + +static struct DOMNodeList$countByEnumeratingWithState { DOMNodeList$countByEnumeratingWithState() { + class_addMethod(objc_getClass("DOMNodeList"), @selector(countByEnumeratingWithState:objects:count:), (IMP) &DOMNodeList$countByEnumeratingWithState$objects$count$, "I20@0:4^{NSFastEnumerationState}8^@12I16"); +} } DOMNodeList$countByEnumeratingWithState; + +@implementation WebScriptObject (Cyte) + +- (NSUInteger) count { + id length([self valueForKey:@"length"]); + if ([length respondsToSelector:@selector(intValue)]) + return [length intValue]; + else + return 0; +} + +- (id) objectAtIndex:(unsigned)index { + return [self webScriptValueAtIndex:index]; +} + +- (NSUInteger) countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)objects count:(NSUInteger)count { + size_t length([self count] - state->state); + if (length <= 0) + return 0; + else if (length > count) + length = count; + for (size_t i(0); i != length; ++i) + objects[i] = [self objectAtIndex:state->state++]; + state->itemsPtr = objects; + state->mutationsPtr = (unsigned long *) self; + return length; +} + +@end |