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flightgear/Misc/fgstream.hxx

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C++

// zlib input file stream wrapper.
//
// Written by Bernie Bright, 1998
//
// Copyright (C) 1998 Bernie Bright - bbright@c031.aone.net.au
//
// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// $Id$
// (Log is kept at end of this file)
#ifndef _FGSTREAM_HXX
#define _FGSTREAM_HXX
#ifndef __cplusplus
# error This library requires C++
#endif
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <string>
#include "Include/fg_stl_config.h"
FG_USING_NAMESPACE(std);
#include "zfstream.hxx"
//-----------------------------------------------------------------------------
//
// Envelope class for gzifstream.
//
class fg_gzifstream
{
public:
//
fg_gzifstream();
// Attempt to open a file with and without ".gz" extension.
fg_gzifstream( const string& name,
int io_mode = ios::in|ios::binary );
//
fg_gzifstream( int fd, int io_mode = ios::in|ios::binary );
// Attempt to open a file with and without ".gz" extension.
void open( const string& name,
int io_mode = ios::in|ios::binary );
// Return the underlying stream.
istream& stream() { return gzstream; }
// Check stream state.
bool operator ! () const { return !gzstream; }
// Check for end of file.
bool eof() const { return gzstream.eof(); }
// Remove whitespace from stream.
// Whitespace is as defined by isspace().
istream& eat_whitespace();
// Removes comments and whitespace from stream.
// A comment is any line starting with '#'.
istream& eat_comments();
// Read one character from stream.
istream& get( char& c ) { return gzstream.get(c); }
// Put a character back into the input buffer.
istream& putback( char c ) { return gzstream.putback(c); }
private:
// The underlying compressed data stream.
gzifstream gzstream;
private:
// Not defined!
fg_gzifstream( const fg_gzifstream& );
};
// istream manipulator that skips to end of line.
istream& skipeol( istream& in );
// istream manipulator that skips over white space.
istream& skipws( istream& in );
// istream manipulator that skips comments and white space.
// A comment starts with '#'.
istream& skipcomment( istream& in );
#endif /* _FGSTREAM_HXX */
// $Log$
// Revision 1.4 1998/10/16 00:50:56 curt
// Remove leading _ from a couple defines.
//
// Revision 1.3 1998/10/13 00:10:06 curt
// More portability changes to help with windoze compilation problems.
//
// Revision 1.2 1998/09/24 15:22:18 curt
// Additional enhancements.
//
// Revision 1.1 1998/09/01 19:06:29 curt
// Initial revision.
//