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src
Core
OODeepCopy.h
Go to the documentation of this file.
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/*
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OODeepCopy.h
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Informal protocol and utility function for making efficient deep copies of
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immutable collections.
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It is implemented in such a way that all objects can be deep copied. Objects
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that implement the NSCopying protocol are automatically copied, while others
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are retained. The following special cases exist:
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* NSStrings and NSValues (including NSNumbers) are uniqued - that is, the
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resulting collection will only include one (immutable) copy of any string
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or number.
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* Arrays, sets and dictionaries deep copy their contents.
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For objects where the mutable/immutable distinction exists, the result should
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be expected to be immutable.
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This self-optimizing behaviour is similar to that performed by binary plist
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export.
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NOTE: in accordance with Cocoa coding conventions, methods and functions with
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Copy in the name return objects owned by the receiver.
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Copyright (C) 2009-2013 Jens Ayton
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#import "
OOCocoa.h
"
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#import "
OOFunctionAttributes.h
"
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id
OODeepCopy
(
id
object
)
OO_RETURNS_RETAINED
;
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@interface
NSObject (OODeepCopy)
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- (id) ooDeepCopyWithSharedObjects:(NSMutableSet *)objects OO_RETURNS_RETAINED;
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@end
OOCocoa.h
OODeepCopy
id OODeepCopy(id object) OO_RETURNS_RETAINED
Definition
OODeepCopy.m:31
OOFunctionAttributes.h
OO_RETURNS_RETAINED
#define OO_RETURNS_RETAINED
Definition
OOFunctionAttributes.h:80
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