Home | History | Annotate | Download | only in Framework 
      1 /*
      2  * [The "BSD license"]
      3  *  Copyright (c) 2011 Terence Parr and Alan Condit
      4  *  All rights reserved.
      5  *
      6  *  Redistribution and use in source and binary forms, with or without
      7  *  modification, are permitted provided that the following conditions
      8  *  are met:
      9  *  1. Redistributions of source code must retain the above copyright
     10  *     notice, this list of conditions and the following disclaimer.
     11  *  2. Redistributions in binary form must reproduce the above copyright
     12  *     notice, this list of conditions and the following disclaimer in the
     13  *     documentation and/or other materials provided with the distribution.
     14  *  3. The name of the author may not be used to endorse or promote products
     15  *     derived from this software without specific prior written permission.
     16  *
     17  *  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     18  *  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     19  *  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     20  *  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     21  *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     22  *  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23  *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24  *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 #import <Cocoa/Cocoa.h>
     29 #import <Foundation/Foundation.h>
     30 
     31 /**
     32  * Iterator for an array so I don't have to copy the array to a List
     33  * just to make it iteratable.
     34  */
     35 
     36 /*
     37  * this is the state structure for FastEnumeration
     38  typedef struct {
     39  unsigned long state;
     40  id *itemsPtr;
     41  unsigned long *mutationsPtr;
     42  unsigned long extra[5];
     43  } NSFastEnumerationState;
     44  */
     45 
     46 @interface ArrayIterator : NSObject {
     47 
     48     __strong id peekObj;
     49     /**
     50      * NSArrays are fixed size; precompute count.
     51      */
     52     NSInteger count;
     53     NSInteger index;
     54     __strong NSArray *anArray;
     55 
     56 }
     57 
     58 + (ArrayIterator *) newIterator:(NSArray *)array;
     59 + (ArrayIterator *) newIteratorForDictKey:(NSDictionary *)dict;
     60 + (ArrayIterator *) newIteratorForDictObj:(NSDictionary *)dict;
     61 
     62 - (id) initWithArray:(NSArray *)array;
     63 - (id) initWithDictKey:(NSDictionary *)dict;
     64 - (id) initWithDictObj:(NSDictionary *)dict;
     65 
     66 - (BOOL) hasNext;
     67 - (id) nextObject;
     68 - (NSArray *)allObjects;
     69 - (void) removeObjectAtIndex:(NSInteger)idx;
     70 - (NSInteger) count;
     71 - (void) setCount:(NSInteger)cnt;
     72 - (void) dealloc;
     73 
     74 @property (retain) id peekObj;
     75 @property (assign, getter=count, setter=setCount:) NSInteger count;
     76 @property (assign) NSInteger index;
     77 @property (retain) NSArray *anArray;
     78 
     79 @end
     80