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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef MediaQueryParser_h | 5 #ifndef MediaQueryParser_h |
| 6 #define MediaQueryParser_h | 6 #define MediaQueryParser_h |
| 7 | 7 |
| 8 #include "core/CoreExport.h" | 8 #include "core/CoreExport.h" |
| 9 #include "core/css/MediaList.h" | 9 #include "core/css/MediaList.h" |
| 10 #include "core/css/MediaQuery.h" | 10 #include "core/css/MediaQuery.h" |
| (...skipping 17 matching lines...) Expand all Loading... |
| 28 String m_mediaFeature; | 28 String m_mediaFeature; |
| 29 Vector<CSSParserToken, 4> m_valueList; | 29 Vector<CSSParserToken, 4> m_valueList; |
| 30 bool m_mediaTypeSet; | 30 bool m_mediaTypeSet; |
| 31 | 31 |
| 32 public: | 32 public: |
| 33 MediaQueryData(); | 33 MediaQueryData(); |
| 34 void clear(); | 34 void clear(); |
| 35 bool addExpression(); | 35 bool addExpression(); |
| 36 bool tryAddParserToken(CSSParserTokenType, const CSSParserToken&); | 36 bool tryAddParserToken(CSSParserTokenType, const CSSParserToken&); |
| 37 void setMediaType(const String&); | 37 void setMediaType(const String&); |
| 38 PassOwnPtrWillBeRawPtr<MediaQuery> takeMediaQuery(); | 38 RawPtr<MediaQuery> takeMediaQuery(); |
| 39 | 39 |
| 40 inline bool currentMediaQueryChanged() const | 40 inline bool currentMediaQueryChanged() const |
| 41 { | 41 { |
| 42 return (m_restrictor != MediaQuery::None || m_mediaTypeSet || m_expressi
ons.size() > 0); | 42 return (m_restrictor != MediaQuery::None || m_mediaTypeSet || m_expressi
ons.size() > 0); |
| 43 } | 43 } |
| 44 inline MediaQuery::RestrictorType restrictor() { return m_restrictor; } | 44 inline MediaQuery::RestrictorType restrictor() { return m_restrictor; } |
| 45 | 45 |
| 46 inline void setRestrictor(MediaQuery::RestrictorType restrictor) { m_restric
tor = restrictor; } | 46 inline void setRestrictor(MediaQuery::RestrictorType restrictor) { m_restric
tor = restrictor; } |
| 47 | 47 |
| 48 inline void setMediaFeature(const String& str) { m_mediaFeature = str; } | 48 inline void setMediaFeature(const String& str) { m_mediaFeature = str; } |
| 49 }; | 49 }; |
| 50 | 50 |
| 51 class CORE_EXPORT MediaQueryParser { | 51 class CORE_EXPORT MediaQueryParser { |
| 52 STACK_ALLOCATED(); | 52 STACK_ALLOCATED(); |
| 53 public: | 53 public: |
| 54 static PassRefPtrWillBeRawPtr<MediaQuerySet> parseMediaQuerySet(const String
&); | 54 static RawPtr<MediaQuerySet> parseMediaQuerySet(const String&); |
| 55 static PassRefPtrWillBeRawPtr<MediaQuerySet> parseMediaQuerySet(CSSParserTok
enRange); | 55 static RawPtr<MediaQuerySet> parseMediaQuerySet(CSSParserTokenRange); |
| 56 static PassRefPtrWillBeRawPtr<MediaQuerySet> parseMediaCondition(CSSParserTo
kenRange); | 56 static RawPtr<MediaQuerySet> parseMediaCondition(CSSParserTokenRange); |
| 57 | 57 |
| 58 private: | 58 private: |
| 59 enum ParserType { | 59 enum ParserType { |
| 60 MediaQuerySetParser, | 60 MediaQuerySetParser, |
| 61 MediaConditionParser, | 61 MediaConditionParser, |
| 62 }; | 62 }; |
| 63 | 63 |
| 64 MediaQueryParser(ParserType); | 64 MediaQueryParser(ParserType); |
| 65 virtual ~MediaQueryParser(); | 65 virtual ~MediaQueryParser(); |
| 66 | 66 |
| 67 PassRefPtrWillBeRawPtr<MediaQuerySet> parseImpl(CSSParserTokenRange); | 67 RawPtr<MediaQuerySet> parseImpl(CSSParserTokenRange); |
| 68 | 68 |
| 69 void processToken(const CSSParserToken&); | 69 void processToken(const CSSParserToken&); |
| 70 | 70 |
| 71 void readRestrictor(CSSParserTokenType, const CSSParserToken&); | 71 void readRestrictor(CSSParserTokenType, const CSSParserToken&); |
| 72 void readMediaNot(CSSParserTokenType, const CSSParserToken&); | 72 void readMediaNot(CSSParserTokenType, const CSSParserToken&); |
| 73 void readMediaType(CSSParserTokenType, const CSSParserToken&); | 73 void readMediaType(CSSParserTokenType, const CSSParserToken&); |
| 74 void readAnd(CSSParserTokenType, const CSSParserToken&); | 74 void readAnd(CSSParserTokenType, const CSSParserToken&); |
| 75 void readFeatureStart(CSSParserTokenType, const CSSParserToken&); | 75 void readFeatureStart(CSSParserTokenType, const CSSParserToken&); |
| 76 void readFeature(CSSParserTokenType, const CSSParserToken&); | 76 void readFeature(CSSParserTokenType, const CSSParserToken&); |
| 77 void readFeatureColon(CSSParserTokenType, const CSSParserToken&); | 77 void readFeatureColon(CSSParserTokenType, const CSSParserToken&); |
| 78 void readFeatureValue(CSSParserTokenType, const CSSParserToken&); | 78 void readFeatureValue(CSSParserTokenType, const CSSParserToken&); |
| 79 void readFeatureEnd(CSSParserTokenType, const CSSParserToken&); | 79 void readFeatureEnd(CSSParserTokenType, const CSSParserToken&); |
| 80 void skipUntilComma(CSSParserTokenType, const CSSParserToken&); | 80 void skipUntilComma(CSSParserTokenType, const CSSParserToken&); |
| 81 void skipUntilBlockEnd(CSSParserTokenType, const CSSParserToken&); | 81 void skipUntilBlockEnd(CSSParserTokenType, const CSSParserToken&); |
| 82 void done(CSSParserTokenType, const CSSParserToken&); | 82 void done(CSSParserTokenType, const CSSParserToken&); |
| 83 | 83 |
| 84 using State = void (MediaQueryParser::*)(CSSParserTokenType, const CSSParser
Token&); | 84 using State = void (MediaQueryParser::*)(CSSParserTokenType, const CSSParser
Token&); |
| 85 | 85 |
| 86 void setStateAndRestrict(State, MediaQuery::RestrictorType); | 86 void setStateAndRestrict(State, MediaQuery::RestrictorType); |
| 87 void handleBlocks(const CSSParserToken&); | 87 void handleBlocks(const CSSParserToken&); |
| 88 | 88 |
| 89 State m_state; | 89 State m_state; |
| 90 ParserType m_parserType; | 90 ParserType m_parserType; |
| 91 MediaQueryData m_mediaQueryData; | 91 MediaQueryData m_mediaQueryData; |
| 92 RefPtrWillBeMember<MediaQuerySet> m_querySet; | 92 Member<MediaQuerySet> m_querySet; |
| 93 MediaQueryBlockWatcher m_blockWatcher; | 93 MediaQueryBlockWatcher m_blockWatcher; |
| 94 | 94 |
| 95 const static State ReadRestrictor; | 95 const static State ReadRestrictor; |
| 96 const static State ReadMediaNot; | 96 const static State ReadMediaNot; |
| 97 const static State ReadMediaType; | 97 const static State ReadMediaType; |
| 98 const static State ReadAnd; | 98 const static State ReadAnd; |
| 99 const static State ReadFeatureStart; | 99 const static State ReadFeatureStart; |
| 100 const static State ReadFeature; | 100 const static State ReadFeature; |
| 101 const static State ReadFeatureColon; | 101 const static State ReadFeatureColon; |
| 102 const static State ReadFeatureValue; | 102 const static State ReadFeatureValue; |
| 103 const static State ReadFeatureEnd; | 103 const static State ReadFeatureEnd; |
| 104 const static State SkipUntilComma; | 104 const static State SkipUntilComma; |
| 105 const static State SkipUntilBlockEnd; | 105 const static State SkipUntilBlockEnd; |
| 106 const static State Done; | 106 const static State Done; |
| 107 | 107 |
| 108 }; | 108 }; |
| 109 | 109 |
| 110 } // namespace blink | 110 } // namespace blink |
| 111 | 111 |
| 112 #endif // MediaQueryParser_h | 112 #endif // MediaQueryParser_h |
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