serializer.h

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/*
 *  OGF/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_SERVICES_SERIALIZER_H
#define H_OGF_GOM_SERVICES_SERIALIZER_H
 
#include <OGF/gom/common/common.h>
#include <OGF/gom/types/arg_list.h>
#include <iostream>
 
namespace OGF {
 
//______________________________________________________________________
 
    class GOM_API Serializer : public Counted {
    public:
 
        ~Serializer() override;
        
        virtual bool serialize_read(
            std::istream& stream, void* addr
        ) = 0;
 
        virtual bool serialize_write(
            std::ostream& stream, void* addr
        ) = 0;
    };
 
    typedef SmartPointer<Serializer> Serializer_var;
 
//______________________________________________________________________
 
    class GOM_API StringSerializer : public Serializer {
    public:
        bool serialize_read(
            std::istream& stream, void* addr
        ) override;
        
        bool serialize_write(
            std::ostream& stream, void* addr
        ) override;
    };
 
//______________________________________________________________________
 
    class GOM_API BoolSerializer : public Serializer {
    public:
        bool serialize_read(
            std::istream& stream, void* addr
        ) override;
        
        bool serialize_write(
            std::ostream& stream, void* addr
        ) override;
    };
 
//______________________________________________________________________
 
    class GOM_API PointerSerializer : public Serializer {
    public:
 
        bool serialize_read(
            std::istream& stream, void* addr
        ) override;
 
        bool serialize_write(
            std::ostream& stream, void* addr
        ) override;
    };
 
//______________________________________________________________________
 
    class MetaEnum;
 
    class GOM_API EnumSerializer : public Serializer {
    public:
 
        explicit EnumSerializer(MetaEnum* meta_enum) : meta_enum_(meta_enum) {
        }
 
        bool serialize_read(
            std::istream& stream, void* addr
        ) override;
 
        bool serialize_write(
            std::ostream& stream, void* addr
        ) override;
 
    private:
        MetaEnum* meta_enum_;
    };
 
//______________________________________________________________________
 
    template <class T> class GenericSerializer : public Serializer {
    public:
        bool serialize_read(
            std::istream& stream, void* addr
        ) override {
            T* object = static_cast<T*>(addr);
            stream >> (*object);
            return true;
        }
 
        bool serialize_write(
            std::ostream& stream, void* addr
        ) override {
            T* object = static_cast<T*>(addr);
            stream << (*object);
            return true;
        }
    };
 
    template <> class GOM_API GenericSerializer<ArgList> : public Serializer {
 
        ~GenericSerializer() override;
       
        bool serialize_read(
            std::istream& stream, void* addr
        ) override;
 
        bool serialize_write(
            std::ostream& stream, void* addr
        ) override;
    };
    
//______________________________________________________________________
 
}
 
#endif