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#ifndef Debug_h
#define Debug_h
/******************************************************************************
*
* Copyright (C) 2002 Hugo PEREIRA <mailto: hugo.pereira@free.fr>
*
* This is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* This software 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 General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/
#include "TimeStamp.h"
#include <QFile>
#include <QString>
#include <QTextStream>
class Debug final
{
public:
//*@name static accessors
//@{
//* retrieves the debug level
static int level();
//@}
//*@name static modifiers
//@{
//* sets the debug level. Everything thrown of bigger level is not discarded
static void setLevel( int );
//* set file name
static void setFileName( const QString& );
//* writes string to clog if level is lower than level_
static void Throw( int, const QString& );
//* writes string to clog if level_ is bigger than 0
static void Throw( const QString& value )
{ Throw( 1, value ); }
//* debug stream
class Stream final
{
public:
//* constructor
Stream( bool enabled );
//*@name modifiers
//@{
//* mutable accessor
QTextStream& get()
{ return stream_; }
//* file name
void setFileName( const QString& );
//@}
private:
//* debug level
bool enabled_ = false;
//* internal device
QFile device_;
//* internal stream
QTextStream stream_;
//* universal streamer
template< class T >
friend Stream& operator << ( Stream& stream, const T& t )
{
if( stream.enabled_ ) stream.stream_ << t;
return stream;
}
};
//* returns either clog or dummy stream depending of the level
static Stream& Throw( int = 1 );
//@}
private:
class Private;
//* return singleton
static Private& _get();
};
#endif
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