Index: Source/core/css/parser/MediaQueryTokenizer.h |
diff --git a/Source/core/css/parser/MediaQueryTokenizer.h b/Source/core/css/parser/MediaQueryTokenizer.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..cfa2f690ac61f9ec44a5a7d637d5d5b312325f02 |
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+++ b/Source/core/css/parser/MediaQueryTokenizer.h |
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+/* |
+ * Copyright (C) 2013 Google Inc. All rights reserved. |
+ * |
+ * Redistribution and use in source and binary forms, with or without |
+ * modification, are permitted provided that the following conditions are |
+ * met: |
+ * |
+ * * Redistributions of source code must retain the above copyright |
+ * notice, this list of conditions and the following disclaimer. |
+ * * Redistributions in binary form must reproduce the above |
+ * copyright notice, this list of conditions and the following disclaimer |
+ * in the documentation and/or other materials provided with the |
+ * distribution. |
+ * * Neither the name of Google Inc. nor the names of its |
+ * contributors may be used to endorse or promote products derived from |
+ * this software without specific prior written permission. |
+ * |
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
+ */ |
+ |
+#ifndef MediaQueryTokenizer_h |
+#define MediaQueryTokenizer_h |
+ |
+#include "core/css/parser/CSSToken.h" |
+#include "core/html/parser/InputStreamPreprocessor.h" |
+#include "wtf/text/WTFString.h" |
+ |
+#define CODE_POINTS_NUM 128 |
+ |
+namespace WebCore { |
+ |
+class CSSInputStream; |
+ |
+class MediaQueryTokenizer { |
+ WTF_MAKE_NONCOPYABLE(MediaQueryTokenizer); |
+ WTF_MAKE_FAST_ALLOCATED; |
+public: |
+ MediaQueryTokenizer(); |
+ |
+ CSSToken nextToken(CSSInputStream&); |
+ static void tokenize(String, Vector<CSSToken>&); |
+ |
+private: |
+ UChar consume(); |
+ void consume(unsigned); |
+ void reconsume(UChar); |
+ |
+ CSSToken consumeNumericToken(); |
+ CSSToken consumeIdentLikeToken(); |
+ CSSToken consumeNumber(); |
+ |
+ void consumeUntilNotWhitespace(); |
+ |
+ bool consumeIfNext(UChar); |
+ String consumeName(); |
+ UChar consumeEscape(); |
+ |
+ bool nextTwoCharsAreValidEscape(); |
+ bool nextCharsAreNumber(); |
+ bool nextCharsAreIdentifier(); |
+ |
+ typedef CSSToken (MediaQueryTokenizer::*CodePoint)(UChar); |
+ |
+ class CodePoints { |
+ public: |
+ CodePoint codePoints[CODE_POINTS_NUM]; |
+ |
+ CodePoints() |
+ { |
+ memset(codePoints, 0, CODE_POINTS_NUM); |
+ codePoints['\n'] = &MediaQueryTokenizer::whiteSpace; |
+ codePoints['\r'] = &MediaQueryTokenizer::whiteSpace; |
+ codePoints['\t'] = &MediaQueryTokenizer::whiteSpace; |
+ codePoints[' '] = &MediaQueryTokenizer::whiteSpace; |
+ codePoints['\f'] = &MediaQueryTokenizer::whiteSpace; |
+ codePoints['('] = &MediaQueryTokenizer::leftParen; |
+ codePoints[')'] = &MediaQueryTokenizer::rightParen; |
+ codePoints['+'] = &MediaQueryTokenizer::plusOrFullStop; |
+ codePoints['.'] = &MediaQueryTokenizer::plusOrFullStop; |
+ codePoints[','] = &MediaQueryTokenizer::comma; |
+ codePoints['-'] = &MediaQueryTokenizer::hyphenMinus; |
+ codePoints['/'] = &MediaQueryTokenizer::solidus; |
+ codePoints[':'] = &MediaQueryTokenizer::colon; |
+ codePoints[';'] = &MediaQueryTokenizer::semiColon; |
+ codePoints['\\'] = &MediaQueryTokenizer::reverseSolidus; |
+ for (unsigned char digit = '0'; digit <= '9'; ++digit) |
+ codePoints[digit] = &MediaQueryTokenizer::asciiDigit; |
+ for (unsigned char alpha = 'a'; alpha <= 'z'; ++alpha) |
+ codePoints[alpha] = &MediaQueryTokenizer::nameStart; |
+ for (unsigned char alpha = 'A'; alpha <= 'Z'; ++alpha) |
+ codePoints[alpha] = &MediaQueryTokenizer::nameStart; |
+ codePoints['_'] = &MediaQueryTokenizer::nameStart; |
+ codePoints[kEndOfFileMarker] = &MediaQueryTokenizer::endOfFile; |
+ } |
+ }; |
+ |
+ CodePoints* getCodePoints() |
+ { |
+ static CodePoints codePoints; |
+ return &codePoints; |
+ } |
+ |
+ CSSToken whiteSpace(UChar); |
+ CSSToken leftParen(UChar); |
+ CSSToken rightParen(UChar); |
+ CSSToken plusOrFullStop(UChar); |
+ CSSToken comma(UChar); |
+ CSSToken hyphenMinus(UChar); |
+ CSSToken solidus(UChar); |
+ CSSToken colon(UChar); |
+ CSSToken semiColon(UChar); |
+ CSSToken reverseSolidus(UChar); |
+ CSSToken asciiDigit(UChar); |
+ CSSToken nameStart(UChar); |
+ CSSToken endOfFile(UChar); |
+ |
+ CSSInputStream* m_input; |
+}; |
+ |
+ |
+ |
+} // namespace WebCore |
+ |
+#endif // MediaQueryTokenizer_h |