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64 lines
1.8 KiB
Plaintext
Executable File
64 lines
1.8 KiB
Plaintext
Executable File
/*
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* CPEnumerator.j
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* Foundation
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*
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* Created by Francisco Tolmasky.
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* Copyright 2008, 280 North, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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@import "CPObject.j"
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/*!
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@class CPEnumerator
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@ingroup foundation
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@brief Defines an interface for enumerators.
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CPEnumerator is a superclass (with useless method bodies)
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that defines an interface for subclasses to follow. The purpose of an
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enumerator is to be a convenient system for traversing over the elements
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of a collection of objects.
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*/
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@implementation CPEnumerator : CPObject
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/*!
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Returns the next object in the collection.
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No particular ordering is guaranteed.
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*/
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- (id)nextObject
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{
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return nil;
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}
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/*!
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Returns all objects in the collection in an array.
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No particular ordering is guaranteed.
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*/
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- (CPArray)allObjects
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{
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return [];
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}
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- (int)countByEnumeratingWithState:(id)aState objects:(id)objects count:(id)aCount
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{
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// This is pretty terrible, but what do you expect.
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return [[self allObjects] countByEnumeratingWithState:aState objects:objects count:aCount];
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}
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@end
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