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#ifndef data_input_hh
#define data_input_hh
// data_input.hh
// robert - programme du robot 2005. {{{
//
// Copyright (C) 2005 Nicolas Schodet
//
// Robot APB Team/Efrei 2005.
//        Web: http://assos.efrei.fr/robot/
//      Email: robot AT efrei DOT fr
//
// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// }}}

#include <stdint.h>

/// Classe d'entr�e de donn�es. C'est une sorte de istream simplifi�
/// permettant d'acc�der � des donn�es en lecture.
class DataInput
{
  public:
    /// Destructeur.
    virtual ~DataInput (void) { }
    /// Lit des donn�es. M�me convention que le read de la libc, mais lance
    /// une exception en cas d'erreur.
    virtual unsigned read (uint8_t *buf, unsigned size) = 0;
    /// Lit un caract�re. Renvois -1 en cas de fin de fichier.
    int getc (void);
};

#endif // data_input_hh