85 lines
3.1 KiB
C++
85 lines
3.1 KiB
C++
/*
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* Copyright (C) 2008, 2014 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. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "CSSSelector.h"
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#include <memory>
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#include <wtf/UniqueArray.h>
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namespace WebCore {
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class CSSParserSelector;
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class CSSSelectorList {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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CSSSelectorList() = default;
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CSSSelectorList(const CSSSelectorList&);
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CSSSelectorList(CSSSelectorList&&) = default;
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explicit CSSSelectorList(Vector<std::unique_ptr<CSSParserSelector>>&&);
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explicit CSSSelectorList(UniqueArray<CSSSelector>&& array)
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: m_selectorArray(WTFMove(array)) { }
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bool isEmpty() const { return !m_selectorArray; }
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const CSSSelector* first() const { return m_selectorArray.get(); }
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static const CSSSelector* next(const CSSSelector*);
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const CSSSelector* selectorAt(size_t index) const { return &m_selectorArray[index]; }
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size_t indexOfNextSelectorAfter(size_t index) const
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{
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const CSSSelector* current = selectorAt(index);
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current = next(current);
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if (!current)
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return notFound;
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return current - m_selectorArray.get();
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}
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bool selectorsNeedNamespaceResolution();
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bool hasInvalidSelector() const;
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String selectorsText() const;
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void buildSelectorsText(StringBuilder&) const;
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unsigned componentCount() const;
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unsigned listSize() const;
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CSSSelectorList& operator=(CSSSelectorList&&) = default;
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private:
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// End of a multipart selector is indicated by m_isLastInTagHistory bit in the last item.
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// End of the array is indicated by m_isLastInSelectorList bit in the last item.
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UniqueArray<CSSSelector> m_selectorArray;
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};
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inline const CSSSelector* CSSSelectorList::next(const CSSSelector* current)
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{
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// Skip subparts of compound selectors.
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while (!current->isLastInTagHistory())
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current++;
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return current->isLastInSelectorList() ? 0 : current + 1;
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}
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} // namespace WebCore
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