meta_property.h

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/*
 *  GXML/Graphite: Geometry and Graphics Programming Library + Utilities
 *  Copyright (C) 2000 Bruno Levy
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 *  If you modify this software, you should include a notice giving the
 *  name of the person performing the modification, the date of modification,
 *  and the reason for such modification.
 *
 *  Contact: Bruno Levy
 *
 *     levy@loria.fr
 *
 *     ISA Project
 *     LORIA, INRIA Lorraine, 
 *     Campus Scientifique, BP 239
 *     54506 VANDOEUVRE LES NANCY CEDEX 
 *     FRANCE
 *
 *  Note that the GNU General Public License does not permit incorporating
 *  the Software into proprietary programs. 
 */
 
#ifndef H_OGF_META_MEMBERS_META_PROPERTY_H
#define H_OGF_META_MEMBERS_META_PROPERTY_H
 
#include <OGF/gom/common/common.h>
#include <OGF/gom/reflection/meta_member.h>
#include <OGF/gom/reflection/meta_method.h>
 
namespace OGF {
 
    class Object ;
    class MetaProperty ;
 
    gom_class GOM_API MetaMethodSetProperty : public MetaMethod {
    public:
 
        MetaMethodSetProperty(
            const std::string& name, MetaProperty* property
        ) ;
 
        virtual ~MetaMethodSetProperty() ;
 
        virtual bool invoke(
            Object* target, const ArgList& args, Any& return_value
        ) ;
 
        MetaProperty* property() const {
            return property_ ;
        }
 
    private:
        MetaProperty* property_ ;
    } ;
 
    gom_class GOM_API MetaMethodGetProperty : public MetaMethod {
    public:
 
        MetaMethodGetProperty(
            const std::string& name, MetaProperty* property
        ) ;
 
        virtual ~MetaMethodGetProperty() ;
 
        virtual bool invoke(
            Object* target, const ArgList& args, Any& return_value
        ) ;
 
        MetaProperty* property() const {
            return property_ ;
        }
 
    private:
        MetaProperty* property_ ;
    } ;
 
/****************************************************************/
 
    gom_class GOM_API MetaProperty : public MetaMember {
    public:
        
        MetaProperty(
            const std::string& name, MetaClass* container,
            const std::string& type_name,
            bool read_only = false 
        ) ;
 
        MetaProperty(
            const std::string& name, MetaClass* container,
            MetaType* meta_type,
            bool read_only = false
        ) ;
 
        virtual ~MetaProperty() ;
 
      gom_slots:
        
        bool read_only() const  {
            return read_only_ ;
        }
 
        const std::string& type_name() const {
            return type_name_ ;
        } 
 
        MetaType* type() const ;
 
        virtual bool set_value(Object* target, const std::string& value) ;
 
        virtual bool get_value(const Object* target, std::string& value) ;
 
      public:
 
        virtual bool set_value(Object* target, const Any& value) ;
 
        virtual bool get_value(const Object* target, Any& value) ;
 
        
        void set_read_only(bool x) ;
 
 
        MetaMethod* meta_method_get() {
            return meta_method_get_ ;
        }
 
        MetaMethod* meta_method_set() {
            return meta_method_set_ ;
        }
 
        void set_meta_method_get(MetaMethod* getter) {
            meta_method_get_ = getter ;
        }
 
        void set_meta_method_set(MetaMethod* setter) {
            meta_method_set_ = setter ;
        }
 
    protected:
        void set_type_name(const std::string& type_name_in) {
            type_name_ = type_name_in ;
        }
 
    private:
        std::string type_name_ ;
        bool read_only_ ;
        MetaMethod_var meta_method_get_ ;
        MetaMethod_var meta_method_set_ ;
    } ;
 
    typedef SmartPointer<MetaProperty> MetaProperty_var ;
 
//______________________________________________________
 
}
#endif