bofstream.cc

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/* Copyright (C) 2003-2008 Oliver Lemke <olemke@core-dump.info>
 
   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, 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. */
 
 
//   File description
 
#include <fstream>
#include <stdexcept>
#include "bofstream.h"
 
void bofstream::seek(long spos, Offset offs)
{
  if(!in) { err = NotOpen; return; }
 
  switch(offs) {
  case Set: this->seekp(spos, ios::beg); break;
  case Add: this->seekp(spos, ios::cur); break;
  case End: this->seekp(spos, ios::end); break;
  }
}
 
streampos bofstream::pos()
{
  if(!in) { err = NotOpen; return 0; }
  return streamoff (this->tellp ());
}
 
void bofstream::putByte (bofstream::Byte b)
{
  if(!this->good ()) {
    err |= NotOpen;
    throw runtime_error ("Cannot open binary file for writing");
    return;
  }
 
  this->put (b);
  if (this->bad ())
    {
      err |= Fatal;
      throw runtime_error ("Writing to binary file failed");
    }
}
 
 
/* Overloaded output operators */
bofstream& operator<< (bofstream& bof, double n)
{ bof.writeFloat (n, binio::Double); return (bof); }
 
bofstream& operator<< (bofstream& bof, float n)
{ bof.writeFloat (n, binio::Double); return (bof); }
 
bofstream& operator<< (bofstream& bof, long n)
{ bof.writeInt (n, 4); return (bof); }
 
bofstream& operator<< (bofstream& bof, int n)
{ bof.writeInt (n, 4); return (bof); }