1/*
2    Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
3
4    This library is free software; you can redistribute it and/or
5    modify it under the terms of the GNU Library General Public
6    License as published by the Free Software Foundation; either
7    version 2 of the License, or (at your option) any later version.
8
9    This library is distributed in the hope that it will be useful,
10    but WITHOUT ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12    Library General Public License for more details.
13
14    You should have received a copy of the GNU Library General Public License
15    along with this library; see the file COPYING.LIB.  If not, write to
16    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17    Boston, MA 02110-1301, USA.
18*/
19
20#include "config.h"
21#include "InitializeLogging.h"
22#include "Logging.h"
23
24#if !LOG_DISABLED
25
26#include <QDebug>
27#include <QStringList>
28#include <wtf/text/WTFString.h>
29
30namespace WebCore {
31
32void initializeLoggingChannelsIfNecessary()
33{
34    static bool haveInitializedLoggingChannels = false;
35    if (haveInitializedLoggingChannels)
36        return;
37
38    haveInitializedLoggingChannels = true;
39
40    QByteArray loggingEnv = qgetenv("QT_WEBKIT_LOG");
41    if (loggingEnv.isEmpty())
42        return;
43
44#if defined(NDEBUG)
45    qWarning("This is a release build. Setting QT_WEBKIT_LOG will have no effect.");
46#else
47    QStringList channels = QString::fromLocal8Bit(loggingEnv).split(QLatin1String(","));
48    for (int i = 0; i < channels.count(); i++) {
49        if (WTFLogChannel* channel = getChannelFromName(channels.at(i)))
50            channel->state = WTFLogChannelOn;
51    }
52
53    // By default we log calls to notImplemented(). This can be turned
54    // off by setting the environment variable DISABLE_NI_WARNING to 1
55    LogNotYetImplemented.state = WTFLogChannelOn;
56#endif
57}
58
59} // namespace WebCore
60
61#endif // !LOG_DISABLED
62