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      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 "Logging.h"
     22 
     23 #include "PlatformString.h"
     24 #include <QDebug>
     25 #include <QStringList>
     26 
     27 namespace WebCore {
     28 
     29 void InitializeLoggingChannelsIfNecessary()
     30 {
     31     static bool haveInitializedLoggingChannels = false;
     32     if (haveInitializedLoggingChannels)
     33         return;
     34 
     35     haveInitializedLoggingChannels = true;
     36 
     37     QByteArray loggingEnv = qgetenv("QT_WEBKIT_LOG");
     38     if (loggingEnv.isEmpty())
     39         return;
     40 
     41 #if defined(NDEBUG)
     42     qWarning("This is a release build. Setting QT_WEBKIT_LOG will have no effect.");
     43 #else
     44     QStringList channels = QString::fromLocal8Bit(loggingEnv).split(QLatin1String(","));
     45     for (int i = 0; i < channels.count(); i++) {
     46         if (WTFLogChannel* channel = getChannelFromName(channels.at(i)))
     47             channel->state = WTFLogChannelOn;
     48     }
     49 
     50     // By default we log calls to notImplemented(). This can be turned
     51     // off by setting the environment variable DISABLE_NI_WARNING to 1
     52     LogNotYetImplemented.state = WTFLogChannelOn;
     53 #endif
     54 }
     55 
     56 } // namespace WebCore
     57