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
42namespace blink {
43
44class ScriptSourceCode {
45public:
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
91private:
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