//
//	srecord - manipulate eprom load files
//	Copyright (C) 2002 Peter Miller;
//	All rights reserved.
//
//	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, USA.
//
// MANIFEST: interface definition for common/tar/input/filename.cc
//

#ifndef COMMON_TAR_INPUT_FILENAME_H
#define COMMON_TAR_INPUT_FILENAME_H

#pragma interface "tar_input_filename"

#include <file/input.h>
#include <tar/input.h>

/**
  * The tar_input_filename class is used to represent tar input from a
  * single file.
  */
class tar_input_filename:
	public tar_input
{
public:
	/**
	  * The destructor.
	  */
	virtual ~tar_input_filename();

	/**
	  * The constructor.
	  */
	tar_input_filename(const rcstring &);

	// see base class for documentation
	int read_data(void *, int);

	// see base class for documentation
	int read_header(tar_header &);

	// see base class for documentation
	const char *filename() const;

private:
	/**
	  * The `name' instance variable is used to remember the name
	  * of the file being read.
	  */
	rcstring name;

	/**
	  * The `length' instance variable is used to remember how many
	  * bytes of input are to be read from the file.
	  */
	int length;

	/**
	  * The `source' instance variable is used to remember the input
	  * file state (position, file descriptor, etc).
	  */
	file_input *source;

	/**
	  * The default constructor.
	  */
	tar_input_filename();

	/**
	  * The copy constructor.
	  */
	tar_input_filename(const tar_input_filename &);

	/**
	  * The assignment operator.
	  */
	tar_input_filename &operator=(const tar_input_filename &);
};

#endif // COMMON_TAR_INPUT_FILENAME_H