ByteClass.h

/* 
   EyeDB Object Database Management System
   Copyright (C) 1994-2008 SYSRA
   
   EyeDB is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.
   
   EyeDB 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
   Lesser General Public License for more details.
   
   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA 
*/

/*
   Author: Eric Viara <viara@sysra.com>
*/


#ifndef _EYEDB_BYTE_CLASS_H
#define _EYEDB_BYTE_CLASS_H

namespace eyedb {

  class ByteClass : public BasicClass {
    // ----------------------------------------------------------------------
    // ByteClass Interface
    // ----------------------------------------------------------------------
  public:
    ByteClass(Database *db = NULL);

    ByteClass(const ByteClass &cl);

    ByteClass& operator=(const ByteClass &cl);

    virtual Object *clone() const {return new ByteClass(*this);}

    Object *newObj(Database *db = NULL) const;

    Object *newObj(Data data, Bool copy = True) const;

    Status traceData(FILE *fd, int indent, Data inidata,
                     Data data, TypeModifier *tmod = NULL) const;

    virtual ByteClass *asByteClass() {return this;}

    virtual const ByteClass *asByteClass() const {return this;}

    // ----------------------------------------------------------------------
    // ByteClass Private Part
    // ----------------------------------------------------------------------
  private:
    Status trace_realize(FILE*, int, unsigned int, const RecMode *) const;

    // ----------------------------------------------------------------------
    // ByteClass Restricted Access (conceptually private)
    // ----------------------------------------------------------------------
  public:
    // E_XDR
    virtual void decode(void * hdata, // to
                        const void * xdata, // from
                        Size incsize, // temporarely necessary 
                        unsigned int nb = 1) const;

    virtual void encode(void * xdata, // to
                        const void * hdata, // from
                        Size incsize, // temporarely necessary 
                        unsigned int nb = 1) const;

    virtual int cmp(const void * xdata,
                    const void * hdata,
                    Size incsize, // temporarely necessary 
                    unsigned int nb = 1) const;
  };

  class ByteClassPtr : public BasicClassPtr {

  public:
    ByteClassPtr(ByteClass *o = 0) : BasicClassPtr(o) { }

    ByteClass *getByteClass() {return dynamic_cast<ByteClass *>(o);}
    const ByteClass *getByteClass() const {return dynamic_cast<ByteClass *>(o);}

    ByteClass *operator->() {return dynamic_cast<ByteClass *>(o);}
    const ByteClass *operator->() const {return dynamic_cast<ByteClass *>(o);}
  };

  typedef std::vector<ByteClassPtr> ByteClassPtrVector;

}

#endif
  

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