1/*
2 * Copyright (C) 2011 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
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27
28#if ENABLE(INSPECTOR)
29
30#include "IdentifiersFactory.h"
31
32#include <wtf/text/StringBuilder.h>
33
34namespace WebCore {
35
36namespace {
37static long s_lastUsedIdentifier = 0;
38}
39
40// static
41long IdentifiersFactory::s_processId;
42
43// static
44String IdentifiersFactory::createIdentifier()
45{
46    return addProcessIdPrefixTo(String::number(++s_lastUsedIdentifier));
47}
48
49// static
50String IdentifiersFactory::requestId(unsigned long identifier)
51{
52    if (identifier)
53        return addProcessIdPrefixTo(String::number(identifier));
54    return String();
55}
56
57// static
58String IdentifiersFactory::addProcessIdPrefixTo(const String& id)
59{
60    StringBuilder builder;
61    builder.appendNumber(s_processId);
62    builder.append('.');
63    builder.append(id);
64    return builder.toString();
65}
66
67} // namespace WebCore
68
69#endif // ENABLE(INSPECTOR)
70