/*
 * Copyright (C) 2007-2019 Xagasoft, All rights reserved.
 *
 * This file is part of the libbu++ library and is released under the
 * terms of the license contained in the file LICENSE.
 */

#ifndef BU_ARCHIVE_BASE_H
#define BU_ARCHIVE_BASE_H

#include <stdint.h>
#include <unistd.h>

#include "bu/variant.h"
#include "bu/blob.h"

namespace Bu
{
    class Archive
    {
    public:
        Archive();
        virtual ~Archive();
        
        enum
        {
            load    =   true,
            save    =   false
        };
        
        virtual void close()=0;
        virtual void write( const void *pData, size_t iLength )=0;
        virtual void read( void *pData, size_t iLength )=0;
        virtual bool isLoading()=0;

        virtual void setProperty( const Bu::Blob &rKey,
                const Bu::Variant &rValue )=0;
        virtual Bu::Variant getProperty( const Bu::Blob &rKey ) const=0;
    };

    template<typename T> Archive &operator&&( Archive &ar, T &dat )
    {
        if( ar.isLoading() )
        {
            return ar >> dat;
        }
        else
        {
            return ar << dat;
        }
    }

    Archive &operator<<( Archive &ar, bool p );
    Archive &operator<<( Archive &ar, char p );
    Archive &operator<<( Archive &ar, signed char p );
    Archive &operator<<( Archive &ar, unsigned char p );
    Archive &operator<<( Archive &ar, signed short p );
    Archive &operator<<( Archive &ar, unsigned short p );
    Archive &operator<<( Archive &ar, signed int p );
    Archive &operator<<( Archive &ar, unsigned int p );
    Archive &operator<<( Archive &ar, signed long p );
    Archive &operator<<( Archive &ar, unsigned long p );
    Archive &operator<<( Archive &ar, signed long long p );
    Archive &operator<<( Archive &ar, unsigned long long p );
    Archive &operator<<( Archive &ar, float p );
    Archive &operator<<( Archive &ar, double p );
    Archive &operator<<( Archive &ar, long double p );
    
    Archive &operator>>( Archive &ar, bool &p );
    Archive &operator>>( Archive &ar, char &p );
    Archive &operator>>( Archive &ar, signed char &p );
    Archive &operator>>( Archive &ar, unsigned char &p );
    Archive &operator>>( Archive &ar, signed short &p );
    Archive &operator>>( Archive &ar, unsigned short &p );
    Archive &operator>>( Archive &ar, signed int &p );
    Archive &operator>>( Archive &ar, unsigned int &p );
    Archive &operator>>( Archive &ar, signed long &p );
    Archive &operator>>( Archive &ar, unsigned long &p );
    Archive &operator>>( Archive &ar, signed long long &p );
    Archive &operator>>( Archive &ar, unsigned long long &p );
    Archive &operator>>( Archive &ar, float &p );
    Archive &operator>>( Archive &ar, double &p );
    Archive &operator>>( Archive &ar, long double &p );
};

#endif