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/**************************************************************************/
/* Copyright 2012 Tim Day */
/* */
/* This file is part of Evolvotron */
/* */
/* Evolvotron 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. */
/* */
/* Evolvotron 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 Evolvotron. If not, see <http://www.gnu.org/licenses/>. */
/**************************************************************************/
/*! \file
\brief Interface for class Margin
*/
#ifndef _margin_h_
#define _margin_h_
#include "useful.h"
//! Utility class for outputting the margin for a given level of indentation.
class Margin
{
//! Levels of indentation
const uint _n;
public:
//! Constructor.
Margin(uint n)
:_n(n)
{}
//! Output some spaces for each level of indentation.
std::ostream& write(std::ostream& out) const;
};
//! Make Margin usable using << operator.
inline std::ostream& operator<<(std::ostream& out,const Margin& m)
{
return m.write(out);
}
#endif
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