/mnt/USB_DISK/BUILD/prj_sf/otlib/trunk/include/core/ot_obj.h

Go to the documentation of this file.

/*
    ot_lib - Object Type Library
    Copyright (C) 2002 Alessandro Bonfanti

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library 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
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public
    License along with this library; if not, write to the Free
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    Alessandro Bonfanti
    xjbon@tin.it
*/

#ifndef _OT_OBJ_H
#define _OT_OBJ_H

// --------------------------------------------------

// --------------------------------------------------

class ot_obj
{

private:

   OT_OBJECT_TYPE m_type; 

   
protected:
   
   ot_obj(OT_OBJECT_TYPE type);

   
public:

   virtual ~ot_obj();

   OT_OBJECT_TYPE getType(void) const;

   virtual ot_obj *dup(void) const = 0;

   virtual bool operator == (const ot_obj *o) const = 0;

   bool operator == (const ot_obj &o) const;
   
   virtual void asXml(ostream &s=cout,int i=0) const = 0;
   
   virtual bool asData(ostream &s) const = 0;

   static bool readStringFromData(istream &s,string &ret);
   
   static bool readIntegerFromData(istream &s,int &ret);

   static bool readUnsignedIntegerFromData(istream &s,unsigned int &ret);

   static bool readFloatFromData(istream &s,float &ret);
   
   static bool readBoolFromData(istream &s,bool &ret);

   static bool readRawFromData(istream &s,char * &data,int &size);
   
   static bool writeStringAsData(ostream &s,const string &val);
   
   static bool writeIntegerAsData(ostream &s,int val);
   
   static bool writeBoolAsData(ostream &s,bool val);
   
   static bool writeRawAsData(ostream &s,const char *data,int size);
         
};

ot_obj * buildOTObjFromData(istream &s);

#define OT_DYNAMIC_CAST(T,O) ((O && O->getType() == T) ? O : 0)

#endif

---