| /* |
| * [The "BSD license"] |
| * Copyright (c) 2011 Terence Parr and Alan Condit |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #import <Foundation/Foundation.h> |
| |
| /** |
| * Iterator for an array so I don't have to copy the array to a List |
| * just to make it iteratable. |
| */ |
| |
| /* |
| * this is the state structure for FastEnumeration |
| typedef struct { |
| unsigned long state; |
| id *itemsPtr; |
| unsigned long *mutationsPtr; |
| unsigned long extra[5]; |
| } NSFastEnumerationState; |
| */ |
| |
| @interface ArrayIterator : NSObject { |
| |
| __strong id peekObj; |
| /** |
| * NSArrays are fixed size; precompute count. |
| */ |
| NSInteger count; |
| NSInteger index; |
| __strong NSArray *anArray; |
| |
| } |
| |
| + (ArrayIterator *) newIterator:(NSArray *)array; |
| + (ArrayIterator *) newIteratorForDictKey:(NSDictionary *)dict; |
| + (ArrayIterator *) newIteratorForDictObj:(NSDictionary *)dict; |
| |
| - (id) initWithArray:(NSArray *)array; |
| - (id) initWithDictKey:(NSDictionary *)dict; |
| - (id) initWithDictObj:(NSDictionary *)dict; |
| |
| - (BOOL) hasNext; |
| - (id) nextObject; |
| - (NSArray *)allObjects; |
| - (void) removeObjectAtIndex:(NSInteger)idx; |
| - (NSInteger) count; |
| - (void) setCount:(NSInteger)cnt; |
| - (void) dealloc; |
| |
| @property (retain) id peekObj; |
| @property (assign, getter=count, setter=setCount:) NSInteger count; |
| @property (assign) NSInteger index; |
| @property (retain) NSArray *anArray; |
| |
| @end |