OfxhParamString.hpp

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#ifndef _TUTTLE_HOST_OFX_PARAM_PARAMSTRING_HPP_
#define _TUTTLE_HOST_OFX_PARAM_PARAMSTRING_HPP_

#include "OfxhParam.hpp"
#include "OfxhParamDescriptor.hpp"
#include "OfxhParamSet.hpp"
#include "OfxhKeyframeParam.hpp"

namespace tuttle {
namespace host {
namespace ofx {
namespace attribute {

class OfxhParamString
        : public OfxhParam
        , public OfxhKeyframeParam
{
mutable std::string _returnValue;     ///< location to hold temporary return value. Should delegate this to implementation!!!

public:
        typedef std::string BaseType;
        OfxhParamString( const OfxhParamDescriptor& descriptor, const std::string& name, OfxhParamSet& setInstance ) : OfxhParam( descriptor, name, setInstance ) {}

        const std::string& getStringMode() const;

        virtual void getValue( std::string& ) const OFX_EXCEPTION_SPEC                                                  = 0;
        virtual void getValueAtTime( const OfxTime time, std::string& ) const OFX_EXCEPTION_SPEC                        = 0;
        virtual void setValue( const std::string&, const EChange change )                OFX_EXCEPTION_SPEC             = 0;
        virtual void setValueAtTime( const OfxTime time, const std::string&, const EChange change )  OFX_EXCEPTION_SPEC = 0;

        /// implementation of var args function
        virtual void getV( va_list arg ) const OFX_EXCEPTION_SPEC;

        /// implementation of var args function
        virtual void getV( const OfxTime time, va_list arg ) const OFX_EXCEPTION_SPEC;

        /// implementation of var args function
        virtual void setV( va_list arg, const EChange change ) OFX_EXCEPTION_SPEC;

        /// implementation of var args function
        virtual void setV( const OfxTime time, va_list arg, const EChange change ) OFX_EXCEPTION_SPEC;

        bool paramTypeHasData() const { return true; }

        std::size_t getHashAtTime( const OfxTime time ) const;

        std::ostream& displayValues( std::ostream& os ) const
        {
                os << getStringValue();
                return os;
        }
};

}
}
}
}

#endif