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Converter.hpp

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 * This file is part of openWNS (open Wireless Network Simulator)
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 *
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 * terms of the GNU Lesser General Public License version 2 as published by the
 * Free Software Foundation;
 *
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 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
 * A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
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#ifndef WNS_PYCONFIG_CONVERTER_HPP
#define WNS_PYCONFIG_CONVERTER_HPP

#include <WNS/pyconfig/Object.hpp>

#include <string>

namespace wns { namespace pyconfig {
    template <typename T>
    class Converter
    {
    public:
        typedef T TargetType;

        // boolean converter
        bool
        convert(bool& value, Object o) const
        {
            switch(o.isTrue())
            {
                    case 1:
                        value = true;
                        break;
                    case 0:
                        value = false;
                        break;
            }
            return false;
        } // convert bool

        // std::string converter
        bool
        convert(std::string& value, Object o) const
        {
            if(!o.isConvertibleToString())
            {
                return false;
            }

            value = o.toString();
            return true;
        } // convert string


        // default converter
        template <typename U>
        bool convert(U &value, Object o) const
        {
            if(!o.isConvertibleToString())
            {
                return false;
            }

            std::istringstream os(o.toString());
            os >> value;

            return true;
        } // convert
    };

}}

#endif // NOT defined WNS_PYCONFIG_CONVERTER_HPP

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