/usr/include/srecord/input/file/dec_binary.h is in libsrecord-dev 1.58-1.1.
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// srecord - manipulate eprom load files
// Copyright (C) 2001, 2003, 2006-2008, 2010, 2011 Peter Miller
//
// This program 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 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program. If not, see
// <http://www.gnu.org/licenses/>.
//
#ifndef SRECORD_INPUT_FILE_DEC_BINARY_H
#define SRECORD_INPUT_FILE_DEC_BINARY_H
#include <srecord/input/file.h>
namespace srecord {
/**
* The srecord::input_file_dec_binary class is used to parse a DEC
* Binary (PDP 11 absolute loader XXDP) format file.
*/
class input_file_dec_binary:
public input_file
{
public:
/**
* The destructor.
*/
virtual ~input_file_dec_binary();
/**
* The create class method is used to create new dynamically
* allocated instances of this class.
*
* @param file_name
* The name of the file to be read.
* @returns
* smart pointer to new instance
*/
static pointer create(const std::string &file_name);
protected:
// See base class for documentation.
bool read(record &record);
// See base class for documentation.
const char *get_file_format_name(void) const;
// See base class for documentation.
bool is_binary(void) const;
// See base class for documentation.
const char *format_option_name(void) const;
private:
/**
* A constructor. The input is read from the named file (or
* the standard input if the file anme is "-").
*
* @param file_name
* The name of the file to be read.
*/
input_file_dec_binary(const std::string &file_name);
/**
* The get_byte method is used to fetch a byte of input, and
* update the checksum. We over-ride the base implementation,
* because we use raw bytes rather than two hex digits.
*/
int get_byte();
/**
* The get_word method is used to fetch a 16-bit word of input.
* It calls the get_byte() method twice. We over-ride the base
* implementation, because it uses big-endian and this format
* is little-endian.
*/
int get_word();
/**
* This format has NUL characters for optional badding around
* blocks. This method is used to skip past such padding.
* Returns true if there is more inoput available, or false at
* end of file.
*/
bool skip_nul();
/**
* The current_pos instance variable is used to track out
* position within the current record. We need todo this
* becase DEC Binary records can be significantly longer than
* other formats.
*/
unsigned long current_pos;
/**
* The current_length instance variable is used to remember
* the length of the current record. It is zero if there is no
* "current" record.
*/
unsigned long current_length;
/**
* The current_address instance variable is used to track the
* load address of the current record. It is updated each time
* we return a partial block, so that we alsoways return the
* correct load address.
*/
unsigned long current_address;
/**
* The copy constructor. Do not use.
*/
input_file_dec_binary(const input_file_dec_binary &);
/**
* The assignment operator. Do not use.
*/
input_file_dec_binary &operator=(const input_file_dec_binary &);
};
};
#endif // SRECORD_INPUT_FILE_DEC_BINARY_H
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