87 lines
2.7 KiB
C++
87 lines
2.7 KiB
C++
/*
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* Copyright (C) 2006 Kimmo Kinnunen <kimmo.t.kinnunen@nokia.com>.
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* Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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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 THE AUTHOR ``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 "CSSParserTokenRange.h"
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#include "CSSValue.h"
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#include <memory>
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namespace WTF {
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class TextStream;
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}
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namespace WebCore {
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struct MediaQueryParserContext;
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class MediaQueryExpression {
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WTF_MAKE_FAST_ALLOCATED;
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public:
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explicit MediaQueryExpression(const String& mediaFeature, CSSParserTokenRange&, MediaQueryParserContext&);
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const AtomString& mediaFeature() const;
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CSSValue* value() const;
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bool isValid() const;
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String serialize() const;
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bool operator==(const MediaQueryExpression&) const;
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private:
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AtomString m_mediaFeature;
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RefPtr<CSSValue> m_value;
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bool m_isValid { false };
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mutable String m_serializationCache;
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};
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inline const AtomString& MediaQueryExpression::mediaFeature() const
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{
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return m_mediaFeature;
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}
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inline CSSValue* MediaQueryExpression::value() const
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{
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return m_value.get();
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}
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inline bool MediaQueryExpression::operator==(const MediaQueryExpression& other) const
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{
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return other.m_mediaFeature == m_mediaFeature
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&& ((!m_value && !other.m_value) || (m_value && other.m_value && *m_value == *other.m_value));
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}
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inline bool MediaQueryExpression::isValid() const
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{
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return m_isValid;
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}
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WTF::TextStream& operator<<(WTF::TextStream&, const MediaQueryExpression&);
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} // namespace
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