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1 /* | 1 /* |
2 * Copyright (C) 2011 Google Inc. All rights reserved. | 2 * Copyright (C) 2011 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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40 #include "core/html/track/vtt/VTTRegion.h" | 40 #include "core/html/track/vtt/VTTRegion.h" |
41 #include "core/html/track/vtt/VTTTokenizer.h" | 41 #include "core/html/track/vtt/VTTTokenizer.h" |
42 #include "wtf/PassOwnPtr.h" | 42 #include "wtf/PassOwnPtr.h" |
43 #include "wtf/text/StringBuilder.h" | 43 #include "wtf/text/StringBuilder.h" |
44 | 44 |
45 namespace WebCore { | 45 namespace WebCore { |
46 | 46 |
47 using namespace HTMLNames; | 47 using namespace HTMLNames; |
48 | 48 |
49 class Document; | 49 class Document; |
| 50 class VTTScanner; |
50 | 51 |
51 class VTTParserClient { | 52 class VTTParserClient { |
52 public: | 53 public: |
53 virtual ~VTTParserClient() { } | 54 virtual ~VTTParserClient() { } |
54 | 55 |
55 virtual void newCuesParsed() = 0; | 56 virtual void newCuesParsed() = 0; |
56 virtual void newRegionsParsed() = 0; | 57 virtual void newRegionsParsed() = 0; |
57 virtual void fileFailedToParse() = 0; | 58 virtual void fileFailedToParse() = 0; |
58 }; | 59 }; |
59 | 60 |
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74 } | 75 } |
75 | 76 |
76 static inline bool isRecognizedTag(const AtomicString& tagName) | 77 static inline bool isRecognizedTag(const AtomicString& tagName) |
77 { | 78 { |
78 return tagName == iTag | 79 return tagName == iTag |
79 || tagName == bTag | 80 || tagName == bTag |
80 || tagName == uTag | 81 || tagName == uTag |
81 || tagName == rubyTag | 82 || tagName == rubyTag |
82 || tagName == rtTag; | 83 || tagName == rtTag; |
83 } | 84 } |
84 | 85 static inline bool isASpace(UChar c) |
85 static inline bool isASpace(char c) | |
86 { | 86 { |
87 // WebVTT space characters are U+0020 SPACE, U+0009 CHARACTER TABULATION
(tab), U+000A LINE FEED (LF), U+000C FORM FEED (FF), and U+000D CARRIAGE RETURN
(CR). | 87 // WebVTT space characters are U+0020 SPACE, U+0009 CHARACTER TABULATION
(tab), U+000A LINE FEED (LF), U+000C FORM FEED (FF), and U+000D CARRIAGE RETURN
(CR). |
88 return c == ' ' || c == '\t' || c == '\n' || c == '\f' || c == '\r'; | 88 return c == ' ' || c == '\t' || c == '\n' || c == '\f' || c == '\r'; |
89 } | 89 } |
90 static inline bool isValidSettingDelimiter(char c) | 90 static inline bool isValidSettingDelimiter(UChar c) |
91 { | 91 { |
92 // ... a WebVTT cue consists of zero or more of the following components
, in any order, separated from each other by one or more | 92 // ... a WebVTT cue consists of zero or more of the following components
, in any order, separated from each other by one or more |
93 // U+0020 SPACE characters or U+0009 CHARACTER TABULATION (tab) characte
rs. | 93 // U+0020 SPACE characters or U+0009 CHARACTER TABULATION (tab) characte
rs. |
94 return c == ' ' || c == '\t'; | 94 return c == ' ' || c == '\t'; |
95 } | 95 } |
96 static unsigned collectDigitsToInt(const String& input, unsigned* position,
int& number); | 96 static unsigned collectDigitsToInt(const String& input, unsigned* position,
int& number); |
97 static String collectWord(const String&, unsigned*); | 97 static String collectWord(const String&, unsigned*); |
98 static bool collectTimeStamp(const String&, unsigned*, double& timeStamp); | 98 static bool collectTimeStamp(const String&, unsigned*, double& timeStamp); |
99 | 99 |
100 // Useful functions for parsing percentage settings. | 100 // Useful functions for parsing percentage settings. |
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126 ParseState collectCueText(const String&); | 126 ParseState collectCueText(const String&); |
127 ParseState recoverCue(const String&); | 127 ParseState recoverCue(const String&); |
128 ParseState ignoreBadCue(const String&); | 128 ParseState ignoreBadCue(const String&); |
129 | 129 |
130 void createNewCue(); | 130 void createNewCue(); |
131 void resetCueValues(); | 131 void resetCueValues(); |
132 | 132 |
133 void collectMetadataHeader(const String&); | 133 void collectMetadataHeader(const String&); |
134 void createNewRegion(const String& headerValue); | 134 void createNewRegion(const String& headerValue); |
135 | 135 |
136 static void skipWhiteSpace(const String&, unsigned*); | 136 static bool collectTimeStamp(VTTScanner& input, double& timeStamp); |
137 | 137 |
138 BufferedLineReader m_lineReader; | 138 BufferedLineReader m_lineReader; |
139 OwnPtr<TextResourceDecoder> m_decoder; | 139 OwnPtr<TextResourceDecoder> m_decoder; |
140 String m_currentId; | 140 String m_currentId; |
141 double m_currentStartTime; | 141 double m_currentStartTime; |
142 double m_currentEndTime; | 142 double m_currentEndTime; |
143 StringBuilder m_currentContent; | 143 StringBuilder m_currentContent; |
144 String m_currentSettings; | 144 String m_currentSettings; |
145 | 145 |
146 VTTParserClient* m_client; | 146 VTTParserClient* m_client; |
147 | 147 |
148 Vector<RefPtr<VTTCue> > m_cuelist; | 148 Vector<RefPtr<VTTCue> > m_cuelist; |
149 | 149 |
150 Vector<RefPtr<VTTRegion> > m_regionList; | 150 Vector<RefPtr<VTTRegion> > m_regionList; |
151 }; | 151 }; |
152 | 152 |
153 } // namespace WebCore | 153 } // namespace WebCore |
154 | 154 |
155 #endif | 155 #endif |
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