include/sge/console/var_impl.hpp

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/*
spacegameengine is a portable easy to use game engine written in C++.
Copyright (C) 2006-2007  Carl Philipp Reh (sefi@s-e-f-i.de)

This program 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
of the License, 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
*/


#ifndef SGE_CON_VAR_IMPL_HPP_INCLUDED
#define SGE_CON_VAR_IMPL_HPP_INCLUDED

#include "var.hpp"
#include "exception.hpp"
#include "../text.hpp"
#include <boost/lexical_cast.hpp>

template<typename T>
void sge::con::var<T>::set(const string &s) 
{ 
    try
    {
        t = boost::lexical_cast<T>(s); 
    } 
    catch (const boost::bad_lexical_cast &c)
    {
        throw exception(
            SGE_TEXT("couldn't parse variable \"")
            + name()
            + SGE_TEXT("\""));
    }
}

template<typename T>
sge::string const
sge::con::var<T>::get() const
{
    return boost::lexical_cast<string>(t);
}

template<typename T>
const T &sge::con::var<T>::value() const
{
    return t;
}

template<typename T>
void sge::con::var<T>::value(const T &_t)
{
    t = _t;
}

template<typename T>
sge::con::var<T>::var(
    const string &name,
    const value_type &t) 
: var_base(name),
  t(t)
{
    late_construct();
}

#endif

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