gls_menu_data_factory.h

Go to the documentation of this file.

#if !defined( GLS_MENUDATAFACTORY_H )
#    define GLS_MENUDATAFACTORY_H

#    ifdef WIN32
#        pragma warning( disable : 4786 )
#    endif

#    include <string>

#    include "gls_menu_data.h"

class GlsMenuDictionary;

//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
class GlsMenuDataFactory : public GlsMenuData
{
public:
    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    GlsMenuDataFactory( const std::string& name, GlsMenuDictionary& dict );

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    virtual ~GlsMenuDataFactory() {}

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    virtual std::istream& ReadValue( std::istream& instr );

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    virtual std::ostream& WriteValue( std::ostream& outstr );

protected:
    GlsMenuDictionary& _dict;

    template<class T>
    class Data
    {
    public:
        //----------------------------------------------------------------
        //----------------------------------------------------------------
        static GlsMenuData* Create(
            const std::string& name,
            std::istream&      instr )
        {
            T                 dummy;
            GlsMenuData_T<T>* data = new GlsMenuData_T<T>( name, dummy );
            data->ReadValue( instr );
            return data;
        }
        //----------------------------------------------------------------
        //----------------------------------------------------------------
        static GlsMenuData* CreateDiscrete(
            const std::string& name,
            std::istream&      instr )
        {
            GlsMenuDiscrete_T<T>* data = new GlsMenuDiscrete_T<T>( name, T( 0 ) );
            data->ReadValue( instr );
            return data;
        }
    };

    //------------------------------------------------------------------------
    //------------------------------------------------------------------------
    virtual GlsMenuData* Create( const std::string& name,
        const std::string&                          type,
        std::istream&                               instr );

}; // end GlsMenuDataFactory

#endif // GLS_MENUDATAFACTORY_H