1 files changed, 107 insertions, 0 deletions
diff --git a/chromium/third_party/WebKit/Source/core/css/parser/MediaQueryParser.h b/chromium/third_party/WebKit/Source/core/css/parser/MediaQueryParser.h
new file mode 100644
index 00000000000..84609982f3c
--- /dev/null
+++ b/chromium/third_party/WebKit/Source/core/css/parser/MediaQueryParser.h
@@ -0,0 +1,107 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef MediaQueryParser_h
+#define MediaQueryParser_h
+
+#include "core/css/CSSParserValues.h"
+#include "core/css/MediaList.h"
+#include "core/css/MediaQuery.h"
+#include "core/css/MediaQueryExp.h"
+#include "core/css/parser/MediaQueryBlockWatcher.h"
+#include "core/css/parser/MediaQueryToken.h"
+#include "wtf/Vector.h"
+#include "wtf/text/WTFString.h"
+
+namespace WebCore {
+
+class MediaQuerySet;
+
+class MediaQueryData {
+    STACK_ALLOCATED();
+private:
+    MediaQuery::Restrictor m_restrictor;
+    String m_mediaType;
+    OwnPtrWillBeMember<ExpressionHeapVector> m_expressions;
+    String m_mediaFeature;
+    CSSParserValueList m_valueList;
+    bool m_mediaTypeSet;
+
+public:
+    MediaQueryData();
+    void clear();
+    bool addExpression();
+    void addParserValue(MediaQueryTokenType, const MediaQueryToken&);
+    void setMediaType(const String&);
+    PassOwnPtrWillBeRawPtr<MediaQuery> takeMediaQuery();
+
+    inline bool currentMediaQueryChanged() const
+    {
+        return (m_restrictor != MediaQuery::None || m_mediaTypeSet || m_expressions->size() > 0);
+    }
+
+    inline void setRestrictor(MediaQuery::Restrictor restrictor) { m_restrictor = restrictor; }
+
+    inline void setMediaFeature(const String& str) { m_mediaFeature = str; }
+};
+
+class MediaQueryParser {
+    STACK_ALLOCATED();
+public:
+    static PassRefPtrWillBeRawPtr<MediaQuerySet> parseMediaQuerySet(const String&);
+    static PassRefPtrWillBeRawPtr<MediaQuerySet> parseMediaCondition(MediaQueryTokenIterator, MediaQueryTokenIterator endToken);
+
+private:
+    enum ParserType {
+        MediaQuerySetParser,
+        MediaConditionParser,
+    };
+
+    MediaQueryParser(ParserType);
+    virtual ~MediaQueryParser();
+
+    PassRefPtrWillBeRawPtr<MediaQuerySet> parseImpl(MediaQueryTokenIterator, MediaQueryTokenIterator endToken);
+
+    void processToken(const MediaQueryToken&);
+
+    void readRestrictor(MediaQueryTokenType, const MediaQueryToken&);
+    void readMediaType(MediaQueryTokenType, const MediaQueryToken&);
+    void readAnd(MediaQueryTokenType, const MediaQueryToken&);
+    void readFeatureStart(MediaQueryTokenType, const MediaQueryToken&);
+    void readFeature(MediaQueryTokenType, const MediaQueryToken&);
+    void readFeatureColon(MediaQueryTokenType, const MediaQueryToken&);
+    void readFeatureValue(MediaQueryTokenType, const MediaQueryToken&);
+    void readFeatureEnd(MediaQueryTokenType, const MediaQueryToken&);
+    void skipUntilComma(MediaQueryTokenType, const MediaQueryToken&);
+    void skipUntilBlockEnd(MediaQueryTokenType, const MediaQueryToken&);
+    void done(MediaQueryTokenType, const MediaQueryToken&);
+
+    typedef void (MediaQueryParser::*State)(MediaQueryTokenType, const MediaQueryToken&);
+
+    void setStateAndRestrict(State, MediaQuery::Restrictor);
+    void handleBlocks(const MediaQueryToken&);
+
+    State m_state;
+    ParserType m_parserType;
+    MediaQueryData m_mediaQueryData;
+    RefPtrWillBeMember<MediaQuerySet> m_querySet;
+    MediaQueryBlockWatcher m_blockWatcher;
+
+    const static State ReadRestrictor;
+    const static State ReadMediaType;
+    const static State ReadAnd;
+    const static State ReadFeatureStart;
+    const static State ReadFeature;
+    const static State ReadFeatureColon;
+    const static State ReadFeatureValue;
+    const static State ReadFeatureEnd;
+    const static State SkipUntilComma;
+    const static State SkipUntilBlockEnd;
+    const static State Done;
+
+};
+
+} // namespace WebCore
+
+#endif // MediaQueryParser_h