free_message.h

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// -*-c++-*-
 
/*
 *Copyright:
 
 Copyright (C) Hidehisa AKIYAMA
 
 This code 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 3 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
 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 *EndCopyright:
 */
 
 
#ifndef RCSC_PLAYER_FREE_MESSAGE_H
#define RCSC_PLAYER_FREE_MESSAGE_H
 
#include <rcsc/player/say_message_builder.h>
#include <rcsc/common/audio_memory.h>
#include <rcsc/common/logger.h>
#include <rcsc/common/server_param.h>
 
#include <string>
#include <iostream>
 
namespace rcsc {
 
/*-------------------------------------------------------------------*/
template < std::size_t LEN >
class FreeMessage
    : public SayMessage {
private:
 
    std::string M_message; 
 
public:
 
    FreeMessage( const std::string & msg )
      {
          M_message = msg;
      }
 
    char header() const
      {
          return static_cast< char >( '0' + LEN );
      }
 
    int length() const
      {
          return LEN + 1;
      }
 
    bool toString( std::string & to ) const
      {
          if ( static_cast< int >( to.length() + 1 + LEN )
               > ServerParam::i().playerSayMsgSize() )
          {
              std::cerr << __FILE__ << ':' << __LINE__
                        << " FreeMessage: over the capacity. message="
                        << M_message << ". current size = "
                        << to.length()
                        << std::endl;
              return false;
          }
 
          if ( M_message.length() != LEN )
          {
              std::cerr << __FILE__ << ':' << __LINE__
                        << " Illegal message length. message="
                        << M_message << " must be length " << LEN
                        << std::endl;
              return false;
          }
 
          to += header();
          to += M_message;
          return true;
      }
 
    std::ostream & printDebug( std::ostream & os ) const
      {
          os << "[Free:" << M_message << ']';
          return os;
      }
 
};
 
}
 
#endif