text: /*
   * Copyright (C) 2008, 2009 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 ScriptSourceCode_h
  #define ScriptSourceCode_h
  
  #include "bindings/core/v8/ScriptStreamer.h"
  #include "core/fetch/ResourcePtr.h"
  #include "core/fetch/ScriptResource.h"
  #include "platform/weborigin/KURL.h"
  #include "wtf/PassOwnPtr.h"
  #include "wtf/text/TextPosition.h"
  #include "wtf/text/WTFString.h"
  
  namespace blink {
  
  class ScriptSourceCode {
  public:
      ScriptSourceCode(const String& source, const KURL& url = KURL(), const TextPosition& startPosition = TextPosition::minimumPosition())
          : m_source(source)
          , m_resource(0)
          , m_url(url)
          , m_startPosition(startPosition)
      {
          if (!m_url.isEmpty())
              m_url.removeFragmentIdentifier();
      }
  
      // We lose the encoding information from ScriptResource.
      // Not sure if that matters.
      ScriptSourceCode(ScriptResource* resource)
          : m_source(resource->script())
          , m_resource(resource)
          , m_startPosition(TextPosition::minimumPosition())
      {
      }
  
      ScriptSourceCode(PassRefPtr<ScriptStreamer> streamer, ScriptResource* resource)
          : m_source(resource->script())
          , m_resource(resource)
          , m_streamer(streamer)
          , m_startPosition(TextPosition::minimumPosition())
      {
      }
  
      bool isEmpty() const { return m_source.isEmpty(); }
  
      const String& source() const { return m_source; }
      ScriptResource* resource() const { return m_resource.get(); }
      const KURL& url() const
      {
          if (m_url.isEmpty() && m_resource) {
              m_url = m_resource->response().url();
              if (!m_url.isEmpty())
                  m_url.removeFragmentIdentifier();
          }
          return m_url;
      }
      int startLine() const { return m_startPosition.m_line.oneBasedInt(); }
      const TextPosition& startPosition() const { return m_startPosition; }
  
      ScriptStreamer* streamer() const { return m_streamer.get(); }
  
  private:
      String m_source;
      ResourcePtr<ScriptResource> m_resource;
      RefPtr<ScriptStreamer> m_streamer;
      mutable KURL m_url;
      TextPosition m_startPosition;
  };
  
  } // namespace blink
  
  #endif // ScriptSourceCode_h
  