include/sge/console/action_var_base_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_ACTION_VAR_BASE_IMPL_HPP_INCLUED
#define SGE_CON_ACTION_VAR_BASE_IMPL_HPP_INCLUED

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

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

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

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

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

template<typename T, typename A>
sge::con::action_var_base<T, A>::action_var_base(
    const string &name,
    A const _a,
    const value_type &_t) 
 : var_base(name),
   a(_a),
   t(a(_t,_t))
{
    late_construct();
}

#endif

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