/home/pete/Work/TSE3.svn/tse3/src/tse3/Serializable.h

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/*
 * @(#)Serializable.h 3.00 7 Jun 1999
 *
 * Copyright (c) 2000 Pete Goodliffe (pete@cthree.org)
 *
 * This file is part of TSE3 - the Trax Sequencer Engine version 3.00.
 *
 * This library is modifiable/redistributable under the terms of the GNU
 * General Public License.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; see the file COPYING. If not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 */

#ifndef TSE3_SERIALIZABLE_H
#define TSE3_SERIALIZABLE_H

#include <iosfwd>
#include <iomanip>
#include <cstddef>

namespace TSE3
{
    class Song;
    class Progress;

    struct SerializableLoadInfo
    {
        int PPQN;

        Song *song;

        int major;

        int minor;

        bool unknownChunks;

        bool unknownData;

        size_t noChunks;

        Progress *progress;

        SerializableLoadInfo();
    };

    class Serializable
    {
        public:

            Serializable() {}

            virtual ~Serializable() {}

            virtual void save(std::ostream &out, int indentLevel) const;

            virtual void load(std::istream &in, SerializableLoadInfo &info);

        protected:

            class indent
            {
                public:
                    indent(int lvl) : level(lvl) {}
                    int level;
            };

            friend std::ostream &operator<<(std::ostream &, const indent &);

        private:

            Serializable &operator=(const Serializable &);
            Serializable(const Serializable &);
    };

    inline std::ostream &operator<<(std::ostream &s,
                                    const Serializable::indent &i)
    {
        for (int n = 0; n < i.level; ++n) s << "    ";
        return s;
    }
}

#endif

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