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/**
* This file is part of TelepathyQt
*
* @copyright Copyright (C) 2008-2009 Collabora Ltd. <http://www.collabora.co.uk/>
* @copyright Copyright (C) 2008-2009 Nokia Corporation
* @license LGPL 2.1
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#define IN_TP_QT_HEADER
#include "debug.h"
#include "debug-internal.h"
#include "config-version.h"
/**
* \defgroup debug Common debug support
*
* TelepathyQt has an internal mechanism for displaying debugging output. It
* uses the Qt debugging subsystem, so if you want to redirect the messages,
* use qInstallMsgHandler() from <QtGlobal>.
*
* Debugging output is divided into two categories: normal debug output and
* warning messages. Normal debug output results in the normal operation of the
* library, warning messages are output only when something goes wrong. Each
* category can be invidually enabled.
*/
namespace Tp
{
/**
* \fn void enableDebug(bool enable)
* \ingroup debug
*
* Enable or disable normal debug output from the library. If the library is not
* compiled with debug support enabled, this has no effect; no output is
* produced in any case.
*
* The default is <code>false</code> ie. no debug output.
*
* \param enable Whether debug output should be enabled or not.
*/
/**
* \fn void enableWarnings(bool enable)
* \ingroup debug
*
* Enable or disable warning output from the library. If the library is not
* compiled with debug support enabled, this has no effect; no output is
* produced in any case.
*
* The default is <code>true</code> ie. warning output enabled.
*
* \param enable Whether warnings should be enabled or not.
*/
/**
* \typedef DebugCallback
* \ingroup debug
*
* \code
* typedef QDebug (*DebugCallback)(const QString &libraryName,
* const QString &libraryVersion,
* QtMsgType type,
* const QString &msg)
* \endcode
*/
/**
* \fn void setDebugCallback(DebugCallback cb)
* \ingroup debug
*
* Set the callback method that will handle the debug output.
*
* If \p cb is NULL this method will set the defaultDebugCallback instead.
* The default callback function will print the output using default Qt debug
* system.
*
* \param cb A function pointer to the callback method or NULL.
* \sa DebugCallback
*/
#ifdef ENABLE_DEBUG
namespace
{
bool debugEnabled = false;
bool warningsEnabled = true;
DebugCallback debugCallback = NULL;
}
void enableDebug(bool enable)
{
debugEnabled = enable;
}
void enableWarnings(bool enable)
{
warningsEnabled = enable;
}
void setDebugCallback(DebugCallback cb)
{
debugCallback = cb;
}
Debug enabledDebug()
{
if (debugEnabled) {
return Debug(QtDebugMsg);
} else {
return Debug();
}
}
Debug enabledWarning()
{
if (warningsEnabled) {
return Debug(QtWarningMsg);
} else {
return Debug();
}
}
void Debug::invokeDebugCallback()
{
if (debugCallback) {
debugCallback(QLatin1String("tp-qt"), QLatin1String(PACKAGE_VERSION), type, msg);
} else {
switch (type) {
case QtDebugMsg:
qDebug() << "tp-qt " PACKAGE_VERSION " DEBUG:" << qPrintable(msg);
break;
case QtWarningMsg:
qWarning() << "tp-qt " PACKAGE_VERSION " WARN:" << qPrintable(msg);
break;
default:
break;
}
}
}
#else /* !defined(ENABLE_DEBUG) */
void enableDebug(bool enable)
{
}
void enableWarnings(bool enable)
{
}
void setDebugCallback(DebugCallback cb)
{
}
Debug enabledDebug()
{
return Debug();
}
Debug enabledWarning()
{
return Debug();
}
void Debug::invokeDebugCallback()
{
}
#endif /* !defined(ENABLE_DEBUG) */
} // Tp
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