Home | History | Annotate | Download | only in v8 
      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 "bindings/core/v8/ScriptStreamer.h"
     35 #include "core/fetch/ResourcePtr.h"
     36 #include "core/fetch/ScriptResource.h"
     37 #include "platform/weborigin/KURL.h"
     38 #include "wtf/PassOwnPtr.h"
     39 #include "wtf/text/TextPosition.h"
     40 #include "wtf/text/WTFString.h"
     41 
     42 namespace blink {
     43 
     44 class ScriptSourceCode {
     45 public:
     46     ScriptSourceCode(const String& source, const KURL& url = KURL(), const TextPosition& startPosition = TextPosition::minimumPosition())
     47         : m_source(source)
     48         , m_resource(0)
     49         , m_url(url)
     50         , m_startPosition(startPosition)
     51     {
     52         if (!m_url.isEmpty())
     53             m_url.removeFragmentIdentifier();
     54     }
     55 
     56     // We lose the encoding information from ScriptResource.
     57     // Not sure if that matters.
     58     ScriptSourceCode(ScriptResource* resource)
     59         : m_source(resource->script())
     60         , m_resource(resource)
     61         , m_startPosition(TextPosition::minimumPosition())
     62     {
     63     }
     64 
     65     ScriptSourceCode(PassRefPtr<ScriptStreamer> streamer, ScriptResource* resource)
     66         : m_source(resource->script())
     67         , m_resource(resource)
     68         , m_streamer(streamer)
     69         , m_startPosition(TextPosition::minimumPosition())
     70     {
     71     }
     72 
     73     bool isEmpty() const { return m_source.isEmpty(); }
     74 
     75     const String& source() const { return m_source; }
     76     ScriptResource* resource() const { return m_resource.get(); }
     77     const KURL& url() const
     78     {
     79         if (m_url.isEmpty() && m_resource) {
     80             m_url = m_resource->response().url();
     81             if (!m_url.isEmpty())
     82                 m_url.removeFragmentIdentifier();
     83         }
     84         return m_url;
     85     }
     86     int startLine() const { return m_startPosition.m_line.oneBasedInt(); }
     87     const TextPosition& startPosition() const { return m_startPosition; }
     88 
     89     ScriptStreamer* streamer() const { return m_streamer.get(); }
     90 
     91 private:
     92     String m_source;
     93     ResourcePtr<ScriptResource> m_resource;
     94     RefPtr<ScriptStreamer> m_streamer;
     95     mutable KURL m_url;
     96     TextPosition m_startPosition;
     97 };
     98 
     99 } // namespace blink
    100 
    101 #endif // ScriptSourceCode_h
    102