author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 04 Oct 2010 01:32:07 +0300 | |
changeset 2 | 303757a437d3 |
parent 0 | 4f2f89ce4247 |
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/* |
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* Copyright (C) 2010 Apple Inc. All rights reserved. |
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* |
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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 |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* |
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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* THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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#ifndef ImmutableArray_h |
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#define ImmutableArray_h |
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#include <wtf/PassRefPtr.h> |
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#include <wtf/RefCounted.h> |
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namespace WebKit { |
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// ImmutableArray - An immutable array type suitable for vending to an API. |
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class ImmutableArray : public RefCounted<ImmutableArray> { |
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public: |
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struct ImmutableArrayCallbacks { |
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typedef void (*ImmutableArrayCallback)(const void*); |
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ImmutableArrayCallback ref; |
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ImmutableArrayCallback deref; |
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}; |
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static PassRefPtr<ImmutableArray> create() |
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{ |
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return adoptRef(new ImmutableArray); |
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} |
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static PassRefPtr<ImmutableArray> create(const void** entries, size_t size, const ImmutableArrayCallbacks* callbacks) |
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{ |
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return adoptRef(new ImmutableArray(entries, size, callbacks)); |
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} |
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static PassRefPtr<ImmutableArray> adopt(void** entries, size_t size, const ImmutableArrayCallbacks* callbacks) |
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{ |
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return adoptRef(new ImmutableArray(entries, size, callbacks, Adopt)); |
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} |
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~ImmutableArray(); |
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const void* at(size_t i) { ASSERT(i < m_size); return m_entries[i]; } |
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size_t size() { return m_size; } |
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private: |
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ImmutableArray(); |
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ImmutableArray(const void** entries, size_t size, const ImmutableArrayCallbacks*); |
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enum AdoptTag { Adopt }; |
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ImmutableArray(void** entries, size_t size, const ImmutableArrayCallbacks*, AdoptTag); |
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void** m_entries; |
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size_t m_size; |
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ImmutableArrayCallbacks m_callbacks; |
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}; |
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} // namespace WebKit |
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#endif // ImmutableArray_h |