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//
// srecord - manipulate eprom load files
// Copyright (C) 2004, 2006-2008, 2010-2013 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_AOMF_H
#define SRECORD_INPUT_FILE_AOMF_H
#include <srecord/input/file.h>
namespace srecord {
/**
* The srecord::input_file_aomf class is used to parse Intel Absolute Object
* Module Format (AOMF) file.
*/
class input_file_aomf:
public input_file
{
public:
/**
* The destructor.
*/
virtual ~input_file_aomf();
private:
/**
* The constructor. The input is read from the named file (or
* the standard input if the file name is "-"). It is private on
* purpose, use the "create" class method instead.
*
* @param file_name
* The name of the file to be read.
*/
input_file_aomf(const std::string &file_name);
public:
/**
* 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.
int format_option_number(void) const;
private:
/**
* 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(void);
/**
* The current_buffer instance variable is used to remember the
* base of an array which buffers the current input record.
*/
unsigned char *current_buffer;
/**
* The current_length instance variable is used to remember
* the length of the current record. It is zero if there is no
* "current" record.
*/
size_t current_length;
/**
* The current_maximum instance variable is used to remember the
* length of the current_buffer array. It is zero if there is no
* "current" buffer.
*/
size_t current_maximum;
/**
* The current_pos instance variable is used to remember the
* position within the current_buffer array.
*/
size_t current_pos;
/**
* 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;
enum state_t
{
expecting_header,
expecting_data,
expecting_eof
};
/**
* The state instance variable is used to remember what to expect
* next from the file.
*/
state_t state;
/**
* The slurp method is used to fill the current_buffer array,
* and set the current_length.
*/
int slurp(void);
/**
* The copy constructor. Do not use.
*/
input_file_aomf(const input_file_aomf &);
/**
* The assignment operator. Do not use.
*/
input_file_aomf &operator=(const input_file_aomf &);
};
};
// vim: set ts=8 sw=4 et :
#endif // SRECORD_INPUT_FILE_AOMF_H
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