1/*
2 * Copyright (c) 2010, 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#include "config.h"
32#include "ScriptHeapSnapshot.h"
33
34#include "InspectorValues.h"
35#include "V8Binding.h"
36#include <v8.h>
37#include <v8-profiler.h>
38#include <wtf/PassRefPtr.h>
39#include <wtf/RefPtr.h>
40
41namespace WebCore {
42
43ScriptHeapSnapshot::~ScriptHeapSnapshot()
44{
45    const_cast<v8::HeapSnapshot*>(m_snapshot)->Delete();
46}
47
48String ScriptHeapSnapshot::title() const
49{
50    v8::HandleScope scope;
51    return toWebCoreString(m_snapshot->GetTitle());
52}
53
54unsigned int ScriptHeapSnapshot::uid() const
55{
56    return m_snapshot->GetUid();
57}
58
59namespace {
60
61class OutputStreamAdapter : public v8::OutputStream {
62public:
63    OutputStreamAdapter(ScriptHeapSnapshot::OutputStream* output)
64        : m_output(output) { }
65    void EndOfStream() { m_output->Close(); }
66    int GetChunkSize() { return 10240; }
67    WriteResult WriteAsciiChunk(char* data, int size)
68    {
69        m_output->Write(String(data, size));
70        return kContinue;
71    }
72private:
73    ScriptHeapSnapshot::OutputStream* m_output;
74};
75
76} // namespace
77
78void ScriptHeapSnapshot::writeJSON(ScriptHeapSnapshot::OutputStream* stream)
79{
80    OutputStreamAdapter outputStream(stream);
81    m_snapshot->Serialize(&outputStream, v8::HeapSnapshot::kJSON);
82}
83
84} // namespace WebCore
85