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96 lines
3.3 KiB
C++
96 lines
3.3 KiB
C++
/*
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* Copyright (C) 2011 Google 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 are
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* met:
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*
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* * 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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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY 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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#ifndef HTMLContentElement_h
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#define HTMLContentElement_h
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#include "core/css/CSSSelectorList.h"
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#include "core/dom/shadow/InsertionPoint.h"
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namespace blink {
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class HTMLContentElement FINAL : public InsertionPoint {
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DEFINE_WRAPPERTYPEINFO();
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public:
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DECLARE_NODE_FACTORY(HTMLContentElement);
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virtual ~HTMLContentElement();
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virtual bool canAffectSelector() const OVERRIDE { return true; }
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bool canSelectNode(const WillBeHeapVector<RawPtrWillBeMember<Node>, 32>& siblings, int nth) const;
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const CSSSelectorList& selectorList() const;
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bool isSelectValid() const;
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private:
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explicit HTMLContentElement(Document&);
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virtual void parseAttribute(const QualifiedName&, const AtomicString&) OVERRIDE;
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bool validateSelect() const;
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void parseSelect();
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bool matchSelector(const WillBeHeapVector<RawPtrWillBeMember<Node>, 32>& siblings, int nth) const;
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bool m_shouldParseSelect;
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bool m_isValidSelector;
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AtomicString m_select;
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CSSSelectorList m_selectorList;
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};
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inline const CSSSelectorList& HTMLContentElement::selectorList() const
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{
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if (m_shouldParseSelect)
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const_cast<HTMLContentElement*>(this)->parseSelect();
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return m_selectorList;
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}
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inline bool HTMLContentElement::isSelectValid() const
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{
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if (m_shouldParseSelect)
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const_cast<HTMLContentElement*>(this)->parseSelect();
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return m_isValidSelector;
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}
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inline bool HTMLContentElement::canSelectNode(const WillBeHeapVector<RawPtrWillBeMember<Node>, 32>& siblings, int nth) const
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{
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if (m_select.isNull() || m_select.isEmpty())
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return true;
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if (!isSelectValid())
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return false;
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if (!siblings[nth]->isElementNode())
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return false;
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return matchSelector(siblings, nth);
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}
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} // namespace blink
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#endif // HTMLContentElement_h
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