85 lines
3.0 KiB
C++
85 lines
3.0 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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#include "ContentExtensionsDebugging.h"
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#include <wtf/Vector.h>
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namespace WebCore {
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namespace ContentExtensions {
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template <typename CharacterType>
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struct ImmutableRange {
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uint32_t targetStart;
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uint32_t targetEnd;
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CharacterType first;
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CharacterType last;
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};
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struct ImmutableNFANode {
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uint32_t rangesStart { 0 };
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uint32_t rangesEnd { 0 };
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uint32_t epsilonTransitionTargetsStart { 0 };
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uint32_t epsilonTransitionTargetsEnd { 0 };
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uint32_t actionStart { 0 };
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uint32_t actionEnd { 0 };
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};
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template <typename CharacterType, typename ActionType>
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struct ImmutableNFA {
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Vector<ImmutableNFANode, 0, ContentExtensionsOverflowHandler> nodes;
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Vector<ImmutableRange<CharacterType>, 0, ContentExtensionsOverflowHandler> transitions;
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Vector<uint32_t, 0, ContentExtensionsOverflowHandler> targets;
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Vector<uint32_t, 0, ContentExtensionsOverflowHandler> epsilonTransitionsTargets;
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Vector<ActionType, 0, ContentExtensionsOverflowHandler> actions;
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void clear()
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{
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nodes.clear();
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transitions.clear();
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targets.clear();
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epsilonTransitionsTargets.clear();
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actions.clear();
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}
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size_t memoryUsed() const
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{
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return nodes.capacity() * sizeof(ImmutableNFANode)
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+ transitions.capacity() * sizeof(ImmutableRange<CharacterType>)
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+ targets.capacity() * sizeof(uint32_t)
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+ epsilonTransitionsTargets.capacity() * sizeof(uint32_t)
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+ actions.capacity() * sizeof(ActionType);
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}
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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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