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* Copyright 2008 Google Inc.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// Automatically initialize and and free an autoreleasepool. Never allocate
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// an instance of this class using "new" - that will result in a compile-time
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// error. Only use it as a stack object.
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// Note: NSAutoreleasePool docs say that you should not normally need to
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// declare an NSAutoreleasePool as a member of an object - but there's nothing
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// that indicates it will be a problem, as long as the stack lifetime of the
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// pool exactly matches the stack lifetime of the object.
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#ifndef TALK_BASE_SCOPED_AUTORELEASE_POOL_H__
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#define TALK_BASE_SCOPED_AUTORELEASE_POOL_H__
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#if defined(IOS) || defined(OSX)
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#include "talk/base/common.h"
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// This header may be included from Obj-C files or C++ files.
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@class NSAutoreleasePool;
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class NSAutoreleasePool;
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class ScopedAutoreleasePool {
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ScopedAutoreleasePool();
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~ScopedAutoreleasePool();
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// Declaring private overrides of new and delete here enforces the "only use
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// as a stack object" discipline.
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// Note: new is declared as "throw()" to get around a gcc warning about new
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// returning NULL, but this method will never get called and therefore will
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// never actually throw any exception.
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void* operator new(size_t size) throw() { return NULL; }
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void operator delete (void* ptr) {}
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NSAutoreleasePool* pool_;
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DISALLOW_EVIL_CONSTRUCTORS(ScopedAutoreleasePool);
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} // namespace talk_base
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#endif // TALK_BASE_SCOPED_AUTORELEASE_POOL_H__