CyteKit/WebScriptObject-Cyte.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
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  35  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  36  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37 */
  38 /* }}} */
  39
  40 #include "CyteKit/WebScriptObject-Cyte.h"
  41
  42 @implementation WebScriptObject (Cyte)
  43
  44 - (NSUInteger) count {
  45     id length([self valueForKey:@"length"]);
  46     if ([length respondsToSelector:@selector(intValue)])
  47         return [length intValue];
  48     else
  49         return 0;
  50 }
  51
  52 - (id) objectAtIndex:(unsigned)index {
  53     return [self webScriptValueAtIndex:index];
  54 }
  55
  56 - (NSUInteger) countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)objects count:(NSUInteger)count {
  57     size_t length([self count] - state->state);
  58     if (length <= 0)
  59         return 0;
  60     else if (length > count)
  61         length = count;
  62     for (size_t i(0); i != length; ++i)
  63         objects[i] = [self objectAtIndex:state->state++];
  64     state->itemsPtr = objects;
  65     state->mutationsPtr = (unsigned long *) self;
  66     return length;
  67 }
  68
  69 @end