Home | History | Annotate | Download | only in parser
      1 /*
      2  * Copyright (C) 2010 Adam Barth. All Rights Reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef HTMLSourceTracker_h
     27 #define HTMLSourceTracker_h
     28 
     29 #include "HTMLInputStream.h"
     30 #include "HTMLToken.h"
     31 
     32 namespace WebCore {
     33 
     34 class HTMLSourceTracker {
     35     WTF_MAKE_NONCOPYABLE(HTMLSourceTracker);
     36 public:
     37     HTMLSourceTracker();
     38 
     39     // FIXME: Once we move "end" into HTMLTokenizer, rename "start" to
     40     // something that makes it obvious that this method can be called multiple
     41     // times.
     42     void start(const HTMLInputStream&, HTMLToken&);
     43     void end(const HTMLInputStream&, HTMLToken&);
     44 
     45     String sourceForToken(const HTMLToken&);
     46 
     47 private:
     48     String m_sourceFromPreviousSegments;
     49     SegmentedString m_source;
     50     String m_cachedSourceForToken;
     51 };
     52 
     53 }
     54 
     55 #endif
     56