tektronix_extended.h

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//
// srecord - manipulate eprom load files
// Copyright (C) 2000, 2002, 2003, 2006-2008, 2010, 2011, 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_TEKTRONIX_EXTENDED_H
#define SRECORD_INPUT_FILE_TEKTRONIX_EXTENDED_H
 
#include <srecord/input/file.h>
 
namespace srecord {
 
/**
  * The srecord::input_file_tektronix_extended clas sis used to represent
  * the parse state of an input file in Tektronix Extended format.
  */
class input_file_tektronix_extended:
    public input_file
{
public:
    // make the code around gt_nibble more readable.
    typedef input_file inherited;
 
    /**
      * The destructor.
      */
    virtual ~input_file_tektronix_extended();
 
    /**
      * 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.
    int format_option_number(void) const;
 
    // See base class for documentation.
    int get_nibble(void);
 
private:
    /**
      * The constructor.
      *
      * @param file_name
      *     The name of the file to be read.
      */
    input_file_tektronix_extended(const std::string &file_name);
 
    /**
      * The data_record_count instance variable is used to remember the
      * number of data records seen in the input so far.
      */
    int data_record_count;
 
    /**
      * The read_inner method is used to read a record of input.
      * The read method is a wrapper around this method.
      */
    bool read_inner(record &);
 
    /**
      * The garbage_warning instance variable is used to remember
      * whether or not a warning about garbage line in the input has
      * been issued yet.
      */
    bool garbage_warning;
 
    /**
      * The seen_some_input instance variable is used to remember whether
      * any data has been seen in this file yet.
      */
    bool seen_some_input;
 
    /**
      * The header_seen instance variable is used to remember whether
      * the header record has been seen yet.
      */
    bool header_seen;
 
    /**
      * The termination_seen instance variable is used to remember
      * whether the termination record has been seen yet.
      */
    bool termination_seen;
 
    /**
      * The nibble_sum instance variable is usd to remember the running
      * checksum, of each nibble on the record line.
      */
    unsigned char nibble_sum;
 
    /**
      * The default constructor.  Do not use.
      */
    input_file_tektronix_extended();
 
    /**
      * The copy constructor.  Do not use.
      */
    input_file_tektronix_extended(const input_file_tektronix_extended &);
 
    /**
      * The assignment operator.  Do not use.
      */
    input_file_tektronix_extended &operator=(
        const input_file_tektronix_extended &);
};
 
};
 
#endif // SRECORD_INPUT_FILE_TEKTRONIX_EXTENDED_H
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