97 lines
3.3 KiB
C++
97 lines
3.3 KiB
C++
/*
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* Copyright (C) 2015 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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#pragma once
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#if ENABLE(CONTENT_EXTENSIONS)
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namespace WebCore {
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namespace ContentExtensions {
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template <typename CharacterType, typename DataType>
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class MutableRange {
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typedef MutableRange<CharacterType, DataType> TypedMutableRange;
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public:
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MutableRange(uint32_t nextRangeIndex, CharacterType first, CharacterType last)
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: nextRangeIndex(nextRangeIndex)
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, first(first)
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, last(last)
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{
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ASSERT(first <= last);
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}
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MutableRange(const DataType& data, uint32_t nextRangeIndex, CharacterType first, CharacterType last)
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: data(data)
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, nextRangeIndex(nextRangeIndex)
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, first(first)
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, last(last)
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{
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ASSERT(first <= last);
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}
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MutableRange(DataType&& data, uint32_t nextRangeIndex, CharacterType first, CharacterType last)
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: data(WTFMove(data))
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, nextRangeIndex(nextRangeIndex)
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, first(first)
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, last(last)
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{
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ASSERT(first <= last);
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}
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MutableRange(MutableRange&& other)
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: data(WTFMove(other.data))
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, nextRangeIndex(other.nextRangeIndex)
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, first(other.first)
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, last(other.last)
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{
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ASSERT(first <= last);
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}
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TypedMutableRange& operator=(TypedMutableRange&& other)
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{
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data = WTFMove(other.data);
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nextRangeIndex = WTFMove(other.nextRangeIndex);
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first = WTFMove(other.first);
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last = WTFMove(other.last);
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return *this;
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}
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DataType data;
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// We use a funny convention: if there are no nextRange, the nextRangeIndex is zero.
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// This is faster to check than a special value in many cases.
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// We can use zero because ranges can only form a chain, and the first range is always zero by convention.
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// When we insert something in from of the first range, we swap the values.
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uint32_t nextRangeIndex;
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CharacterType first;
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CharacterType last;
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};
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} // namespace ContentExtensions
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} // namespace WebCore
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#endif // ENABLE(CONTENT_EXTENSIONS)
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