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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" |
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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 RawPtr<MediaQuery> takeMediaQuery(); | 38 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 RawPtr<MediaQuerySet> parseMediaQuerySet(const String&); | 54 static MediaQuerySet* parseMediaQuerySet(const String&); |
55 static RawPtr<MediaQuerySet> parseMediaQuerySet(CSSParserTokenRange); | 55 static MediaQuerySet* parseMediaQuerySet(CSSParserTokenRange); |
56 static RawPtr<MediaQuerySet> parseMediaCondition(CSSParserTokenRange); | 56 static 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 RawPtr<MediaQuerySet> parseImpl(CSSParserTokenRange); | 67 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&); |
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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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