callable.h

/*
 *  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_GOM_TYPES_CALLABLE_H
#define H_OGF_GOM_TYPES_CALLABLE_H
 
#include <OGF/gom/common/common.h>
#include <OGF/gom/reflection/meta_class.h>
 
namespace OGF {
 
    gom_attribute(abstract,"true")     
    gom_class GOM_API Callable : public Object {
      public:
 
        Callable();
        
        ~Callable() override;
        
        virtual bool invoke(const ArgList& args, Any& ret_val) = 0;
 
        bool invoke(const ArgList& args) {
            Any ret_val;
            return invoke(args, ret_val);
        }
 
        bool invoke() {
            ArgList args;
            Any ret_val;
            return invoke(args, ret_val);
        }
    };
 
    typedef SmartPointer<Callable> Callable_var;
    
    /**********************************************************************/
    
    gom_class GOM_API Request : public Callable {
      public:
         Request(
             Object* o, MetaMethod* m, bool managed = true
         );
 
          ~Request() override;
 
          bool invoke(const ArgList& args, Any& ret_val) override;
 
 
          std::string get_doc() const override;
          
      gom_slots:
          
         Object* object() const {
             return object_;
         }
 
         MetaMethod* method() const {
             return method_;
         }
 
      private:
         Request(const Request& rhs);
         
         Request& operator=(const Request& rhs);
         
      private:
         Object* object_;
         MetaMethod* method_;
         bool managed_;
    };
 
 
    typedef SmartPointer<Request> Request_var;
    
    /**********************************************************************/
 
}
 
#endif