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      1 /*
      2  * Copyright (C) 2008, 2009 Google Inc. 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 are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef ScriptSourceCode_h
     32 #define ScriptSourceCode_h
     33 
     34 #include "CachedResourceHandle.h"
     35 #include "CachedScript.h"
     36 #include "KURL.h"
     37 #include "PlatformString.h"
     38 #include <wtf/text/TextPosition.h>
     39 
     40 namespace WebCore {
     41 
     42 class ScriptSourceCode {
     43 public:
     44     ScriptSourceCode(const String& source, const KURL& url = KURL(), const TextPosition1& startPosition = TextPosition1::minimumPosition())
     45         : m_source(source)
     46         , m_cachedScript(0)
     47         , m_url(url)
     48         , m_startPosition(startPosition)
     49     {
     50     }
     51 
     52     // We lose the encoding information from CachedScript.
     53     // Not sure if that matters.
     54     ScriptSourceCode(CachedScript* cs)
     55         : m_source(cs->script())
     56         , m_cachedScript(cs)
     57         , m_url(ParsedURLString, cs->url())
     58         , m_startPosition(TextPosition1::minimumPosition())
     59     {
     60     }
     61 
     62     bool isEmpty() const { return m_source.isEmpty(); }
     63 
     64     const String& source() const { return m_source; }
     65     CachedScript* cachedScript() const { return m_cachedScript.get(); }
     66     const KURL& url() const
     67     {
     68         if (m_cachedScript)
     69             return m_cachedScript->response().url();
     70         return m_url;
     71     }
     72     int startLine() const { return m_startPosition.m_line.oneBasedInt(); }
     73     const TextPosition1& startPosition() const { return m_startPosition; }
     74 
     75 private:
     76     String m_source;
     77     CachedResourceHandle<CachedScript> m_cachedScript;
     78     KURL m_url;
     79     TextPosition1 m_startPosition;
     80 };
     81 
     82 } // namespace WebCore
     83 
     84 #endif // ScriptSourceCode_h
     85