95 lines
2.6 KiB
C++
95 lines
2.6 KiB
C++
// zlib input file stream wrapper.
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//
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// Written by Bernie Bright, 1998
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//
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// Copyright (C) 1998 Bernie Bright - bbright@c031.aone.net.au
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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// $Id$
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// (Log is kept at end of this file)
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#ifndef _FGSTREAM_HXX
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#define _FGSTREAM_HXX
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#ifndef __cplusplus
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# error This library requires C++
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#endif
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <string>
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#include "zfstream.hxx"
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//-----------------------------------------------------------------------------
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//
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// Envelope class for gzifstream.
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//
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class fg_gzifstream
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{
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public:
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//
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fg_gzifstream();
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// Attempt to open a file with and without ".gz" extension.
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fg_gzifstream( const string& name,
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int io_mode = ios::in|ios::binary );
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// Attempt to open a file with and without ".gz" extension.
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void open( const string& name,
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int io_mode = ios::in|ios::binary );
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// Return the underlying stream.
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istream& stream() { return gzstream; }
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// Check stream state.
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bool operator ! () const { return !gzstream; }
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// Check for end of file.
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bool eof() const { return gzstream.eof(); }
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// Remove whitespace from stream.
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// Whitespace is as defined by isspace().
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istream& eat_whitespace();
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// Removes comments and whitespace from stream.
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// A comment is any line starting with '#'.
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istream& eat_comments();
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// Read one character from stream.
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istream& get( char& c ) { return gzstream.get(c); }
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// Put a character back into the input buffer.
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istream& putback( char c ) { return gzstream.putback(c); }
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private:
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// The underlying compressed data stream.
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gzifstream gzstream;
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private:
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// Not defined!
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fg_gzifstream( const fg_gzifstream& );
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};
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#endif /* _FGSTREAM_HXX */
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// $Log$
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// Revision 1.1 1998/09/01 19:06:29 curt
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// Initial revision.
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//
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