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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef MediaQueryParser_h | |
6 #define MediaQueryParser_h | |
7 | |
8 #include "core/css/CSSParserValues.h" | |
9 #include "core/css/MediaList.h" | |
10 #include "core/css/MediaQuery.h" | |
11 #include "core/css/MediaQueryExp.h" | |
12 #include "core/css/parser/MediaQueryToken.h" | |
13 #include "wtf/Vector.h" | |
14 #include "wtf/text/WTFString.h" | |
15 | |
16 namespace WebCore { | |
17 | |
18 class MediaQuerySet; | |
19 | |
20 class MediaQueryData { | |
21 private: | |
22 RefPtrWillBeMember<MediaQuerySet> m_querySet; | |
23 MediaQuery::Restrictor m_restrictor; | |
24 String m_mediaType; | |
25 OwnPtr<ExpressionHeapVector> m_expressions; | |
26 String m_mediaFeature; | |
27 CSSParserValueList m_valueList; | |
28 bool m_mediaTypeSet; | |
29 | |
30 public: | |
31 MediaQueryData(); | |
32 void resetCurrentQuery(); | |
33 void addCurrentMediaQuery(); | |
34 bool addExpression(); | |
35 void addParserValue(MediaQueryTokenType, MediaQueryToken*); | |
36 void setMediaType(const String&); | |
37 | |
38 inline PassRefPtrWillBeRawPtr<MediaQuerySet> querySet() | |
39 { | |
40 return m_querySet; | |
41 } | |
42 | |
43 inline unsigned querySetSize() | |
44 { | |
45 return m_querySet->queryVector().size(); | |
46 } | |
47 | |
48 inline bool currentMediaQueryChanged() | |
49 { | |
50 return (m_restrictor != MediaQuery::None || m_mediaTypeSet || m_expressi ons->size() > 0); | |
51 } | |
52 | |
53 inline void addNotAllMediaQuery() | |
54 { | |
55 m_querySet->addMediaQuery(adoptPtr(new MediaQuery(MediaQuery::Not, "all" , nullptr))); | |
56 } | |
57 | |
58 inline void setRestrictor(MediaQuery::Restrictor restrictor) { m_restrictor = restrictor; } | |
59 | |
60 inline void setMediaFeature(const String& str) { m_mediaFeature = str; } | |
61 }; | |
62 | |
63 class MediaQueryParser { | |
64 public: | |
65 static PassRefPtrWillBeRawPtr<MediaQuerySet> parse(String); | |
66 | |
67 private: | |
68 MediaQueryParser(String); | |
69 virtual ~MediaQueryParser() { }; | |
70 | |
71 PassRefPtrWillBeRawPtr<MediaQuerySet> parseImpl(); | |
72 | |
73 | |
74 typedef Vector<MediaQueryToken>::iterator TokenIterator; | |
75 | |
76 void readRestrictor(MediaQueryTokenType, TokenIterator&); | |
77 void readMediaType(MediaQueryTokenType, TokenIterator&); | |
78 void readAnd(MediaQueryTokenType, TokenIterator&); | |
79 void readFeatureStart(MediaQueryTokenType, TokenIterator&); | |
80 void readFeature(MediaQueryTokenType, TokenIterator&); | |
81 void readFeatureColon(MediaQueryTokenType, TokenIterator&); | |
82 void readFeatureValue(MediaQueryTokenType, TokenIterator&); | |
83 void readFeatureEnd(MediaQueryTokenType, TokenIterator&); | |
84 void skipTillComma(MediaQueryTokenType, TokenIterator&); | |
85 void skipTillParen(MediaQueryTokenType, TokenIterator&); | |
kenneth.r.christiansen
2014/03/08 22:37:47
parenthesis?
| |
86 void done(MediaQueryTokenType, TokenIterator&); | |
87 | |
88 typedef void (MediaQueryParser::*State)(MediaQueryTokenType, TokenIterator&) ; | |
89 | |
90 State m_state; | |
91 Vector<MediaQueryToken> m_tokens; | |
92 MediaQueryData m_mediaQueryData; | |
93 }; | |
94 | |
95 } // namespace WebCore | |
96 | |
97 #endif // MediaQueryParser_h | |
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