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// This file is part of ff3d - http://www.freefem.org/ff3d
// Copyright (C) 2001, 2002, 2003 Stphane Del Pino
// This program 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, or (at your option)
// any later version.
// This program 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, write to the Free Software Foundation,
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// $Id: OFStreamExpression.hpp,v 1.3 2007/02/08 23:19:38 delpinux Exp $
#ifndef OFSTREAM_EXPRESSION_HPP
#define OFSTREAM_EXPRESSION_HPP
#include <Expression.hpp>
#include <StringExpression.hpp>
#include <ErrorHandler.hpp>
#include <fstream>
/**
* @file OFStreamExpression.hpp
* @author Stephane Del Pino
* @date Fri Dec 29 20:56:43 2006
*
* @brief Base class for ofstream expression
*/
class OFStreamExpression
: public Expression
{
public:
enum Type {
undefined,
value,
variable
};
protected:
const Type __type; /**< type of the expression */
ReferenceCounting<std::ofstream> __fout;
virtual std::ostream&
put(std::ostream & os) const
{
return os;
}
public:
/**
* Access to the file stream pointer
*
* @return __fout
*/
std::ofstream* ofstream()
{
if (__type == undefined) {
throw ErrorHandler(__FILE__,__LINE__,
"using undefined stream",
ErrorHandler::normal);
}
return __fout;
}
OFStreamExpression(const OFStreamExpression::Type& type)
: Expression(Expression::ofstreamexpression),
__type(type),
__fout(0)
{
;
}
OFStreamExpression(const OFStreamExpression& ofs)
: Expression(ofs),
__type(ofs.__type),
__fout(ofs.__fout)
{
;
}
virtual ~OFStreamExpression()
{
;
}
};
#endif // OFSTREAM_EXPRESSION_HPP
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