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/*
//
// Copyright 2011, 2013 SRI International
//
// This file is part of the Computational Morphometry Toolkit.
//
// http://www.nitrc.org/projects/cmtk/
//
// The Computational Morphometry Toolkit 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 3 of
// the License, or (at your option) any later version.
//
// The Computational Morphometry Toolkit 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 the Computational Morphometry Toolkit. If not, see
// <http://www.gnu.org/licenses/>.
//
// $Revision: 5436 $
//
// $LastChangedDate: 2018-12-10 19:01:20 -0800 (Mon, 10 Dec 2018) $
//
// $LastChangedBy: torstenrohlfing $
//
*/
#ifndef __cmtkDebugOutput_h_included_
#define __cmtkDebugOutput_h_included_
#include <cmtkconfig.h>
#include <System/cmtkConsole.h>
namespace
cmtk
{
/** \addtogroup System */
//@{
/// Class for debug output with different levels of detail.
class DebugOutput
{
public:
/// This class.
typedef DebugOutput Self;
/// Constructor.
DebugOutput( const int level = 0 ) : m_Level( level ) {}
/// Output operator.
template<class T>
Console& operator<<( const T data ) const
{
return this->GetStream() << data;
}
/// Flush the appropriate stream for this output object.
void Flush()
{
if ( this->m_Level > Self::GetGlobalLevel() )
StdNull.flush();
else
StdOut.flush();
}
/// Get the appropriate stream for this output object.
Console& GetStream() const
{
if ( this->m_Level > Self::GetGlobalLevel() )
return StdNull;
else
return StdOut;
}
/// Set global debug level.
static void SetGlobalLevel( const long int level )
{
Self::GetGlobalLevel() = level;
}
/// Increment global debug level by 1.
static void IncGlobalLevel()
{
++Self::GetGlobalLevel();
}
/// Get global debug level (reference to static variable).
static int& GetGlobalLevel()
{
static int globalLevel = 0;
return globalLevel;
}
private:
/** Level for this instance.
* Output is suppressed if this is higher than the global level.
*/
int m_Level;
};
//@}
} // namespace cmtk
#endif // #ifndef __cmtkDebugOutput_h_included_
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