dynamic_object.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_TYPES_DYNAMIC_OBJECT_H
#define H_OGF_META_TYPES_DYNAMIC_OBJECT_H
 
#include <OGF/gom/common/common.h>
#include <OGF/gom/reflection/meta_class.h>
#include <OGF/gom/types/callable.h>
 
namespace OGF {
 
    gom_class GOM_API DynamicObject : public Object {
    public:
        bool set_property(
            const std::string& name, const Any& value
        ) override;
 
        bool get_property(
            const std::string& prop_name, Any& prop_value
        ) const override;
 
    private:
        mutable std::map<std::string, Any> properties_;
    };
 
    /******************************************************************/
 
    class GOM_API DynamicFactoryMetaClass : public FactoryMetaClass {
    public:
        DynamicFactoryMetaClass(MetaClass* mclass, Callable* action = nullptr) :
            FactoryMetaClass(mclass), action_(action) {
        }
 
        Object* create(const ArgList& args) override;
 
    private:
        Callable_var action_;
    };
    
    /******************************************************************/
 
    gom_class GOM_API DynamicMetaSlot : public MetaSlot {
    public:
        DynamicMetaSlot(
            const std::string& name, MetaClass* container,
            Callable* action,
            const std::string& return_type_name = "void"
        );
 
    gom_slots:
        void add_arg(
            const std::string& name, MetaType* type,
            const std::string& default_value = ""
        );
 
        void set_arg_default_value(
            const std::string& name, const std::string& default_value
        );
        
        void create_arg_custom_attribute(
            const std::string& arg_name,
            const std::string& name, const std::string& value
        );
 
        void set_arg_custom_attribute(
            const std::string& arg_name,
            const std::string& name, const std::string& value
        );
        
    public:
        void pre_delete() override;
        
    protected:
        Callable_var action_;
    };
    
    gom_class GOM_API DynamicMetaClass : public MetaClass {
    public:
        explicit DynamicMetaClass(
            const std::string& class_name, 
            const std::string& super_class_name,
            bool is_abstract = false
        );
 
    gom_slots:
 
        MetaConstructor* add_constructor(Callable* action=nullptr);
        
        DynamicMetaSlot* add_slot(
            const std::string& name, Callable* action,
            const std::string& return_type="void"
        );
    };
 
}
 
#endif