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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" |
11 #include "core/css/MediaQueryExp.h" | 11 #include "core/css/MediaQueryExp.h" |
12 #include "core/css/parser/CSSParserToken.h" | 12 #include "core/css/parser/CSSParserToken.h" |
13 #include "core/css/parser/CSSParserTokenRange.h" | 13 #include "core/css/parser/CSSParserTokenRange.h" |
14 #include "core/css/parser/MediaQueryBlockWatcher.h" | 14 #include "core/css/parser/MediaQueryBlockWatcher.h" |
15 #include "wtf/text/WTFString.h" | 15 #include "wtf/text/WTFString.h" |
16 | 16 |
17 namespace blink { | 17 namespace blink { |
18 | 18 |
19 class MediaQuerySet; | 19 class MediaQuerySet; |
20 | 20 |
21 class MediaQueryData { | 21 class MediaQueryData { |
22 STACK_ALLOCATED(); | 22 STACK_ALLOCATED(); |
23 WTF_MAKE_NONCOPYABLE(MediaQueryData); | 23 WTF_MAKE_NONCOPYABLE(MediaQueryData); |
24 private: | 24 private: |
25 MediaQuery::Restrictor m_restrictor; | 25 MediaQuery::RestrictorType m_restrictor; |
26 String m_mediaType; | 26 String m_mediaType; |
27 ExpressionHeapVector m_expressions; | 27 ExpressionHeapVector m_expressions; |
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 PassOwnPtrWillBeRawPtr<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::Restrictor restrictor() { return m_restrictor; } | 44 inline MediaQuery::RestrictorType restrictor() { return m_restrictor; } |
45 | 45 |
46 inline void setRestrictor(MediaQuery::Restrictor restrictor) { m_restrictor
= 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 PassRefPtrWillBeRawPtr<MediaQuerySet> parseMediaQuerySet(const String
&); |
55 static PassRefPtrWillBeRawPtr<MediaQuerySet> parseMediaQuerySet(CSSParserTok
enRange); | 55 static PassRefPtrWillBeRawPtr<MediaQuerySet> parseMediaQuerySet(CSSParserTok
enRange); |
56 static PassRefPtrWillBeRawPtr<MediaQuerySet> parseMediaCondition(CSSParserTo
kenRange); | 56 static PassRefPtrWillBeRawPtr<MediaQuerySet> parseMediaCondition(CSSParserTo
kenRange); |
(...skipping 19 matching lines...) Expand all Loading... |
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::Restrictor); | 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 RefPtrWillBeMember<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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