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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 MediaQueryTokenizer_h | |
| 6 #define MediaQueryTokenizer_h | |
| 7 | |
| 8 #include "core/css/parser/MediaQueryToken.h" | |
| 9 #include "core/html/parser/InputStreamPreprocessor.h" | |
| 10 #include "wtf/text/WTFString.h" | |
| 11 | |
| 12 #include <climits> | |
| 13 | |
| 14 namespace WebCore { | |
| 15 | |
| 16 class MediaQueryInputStream; | |
| 17 | |
| 18 class MediaQueryTokenizer { | |
| 19 WTF_MAKE_NONCOPYABLE(MediaQueryTokenizer); | |
| 20 WTF_MAKE_FAST_ALLOCATED; | |
| 21 public: | |
| 22 static void tokenize(String, Vector<MediaQueryToken>&); | |
| 23 | |
| 24 private: | |
| 25 class CodePoints; | |
| 26 | |
| 27 MediaQueryTokenizer(MediaQueryInputStream&); | |
| 28 | |
| 29 MediaQueryToken nextToken(); | |
| 30 | |
| 31 UChar consume(); | |
| 32 void consume(unsigned); | |
| 33 void reconsume(UChar); | |
| 34 | |
| 35 MediaQueryToken consumeNumericToken(); | |
| 36 MediaQueryToken consumeIdentLikeToken(); | |
| 37 MediaQueryToken consumeNumber(); | |
| 38 | |
| 39 void consumeUntilNonWhitespace(); | |
| 40 | |
| 41 bool consumeIfNext(UChar); | |
| 42 String consumeName(); | |
| 43 UChar consumeEscape(); | |
| 44 | |
| 45 bool nextTwoCharsAreValidEscape(); | |
| 46 bool nextCharsAreNumber(); | |
| 47 bool nextCharsAreIdentifier(); | |
| 48 | |
| 49 typedef MediaQueryToken (MediaQueryTokenizer::*CodePoint)(UChar); | |
| 50 | |
| 51 MediaQueryToken whiteSpace(UChar); | |
| 52 MediaQueryToken leftParenthesis(UChar); | |
| 53 MediaQueryToken rightParenthesis(UChar); | |
| 54 MediaQueryToken plusOrFullStop(UChar); | |
| 55 MediaQueryToken comma(UChar); | |
| 56 MediaQueryToken hyphenMinus(UChar); | |
| 57 MediaQueryToken solidus(UChar); | |
| 58 MediaQueryToken colon(UChar); | |
| 59 MediaQueryToken semiColon(UChar); | |
| 60 MediaQueryToken reverseSolidus(UChar); | |
| 61 MediaQueryToken asciiDigit(UChar); | |
| 62 MediaQueryToken nameStart(UChar); | |
| 63 MediaQueryToken endOfFile(UChar); | |
| 64 | |
| 65 CodePoints* codePoints(); | |
| 66 | |
| 67 MediaQueryInputStream& m_input; | |
| 68 }; | |
| 69 | |
| 70 | |
| 71 | |
| 72 } // namespace WebCore | |
| 73 | |
| 74 #endif // MediaQueryTokenizer_h | |
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Chromium Code Reviews
Issue 196653020:
Revert 169289 "A thread-safe Media Query Parser" (Closed)
Base URL: svn://svn.chromium.org/blink/