parseRecord_COMPONENT.cpp

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/*
    A C++ program to parse DJI's ".txt" log files (recorded by the "DJI Go 4" app).
    Version 2021-05-20

    Copyright (c) 2021 Live Networks, Inc.  All rights reserved.
    For the latest version of this program (and more information), visit http://djilogs.live555.com

    Parsing COMPONENT records within DJI ".txt" files.
    Implementation.
*/

#include "RecordAndDetailsParser.hh"

void RecordAndDetailsParser::parseRecord_COMPONENT(u_int8_t const*& ptr, u_int8_t const* limit) {
  // Because these records always seem to appear at the beginning of the file, before the
  // first OSD record, treat each (known) component type as a separate column in the output:

  // COMPONENT.type: 2 bytes little-endian unsigned
  u_int16_t componentType = get2BytesLE(ptr, limit);

  // Length of the following serial number: 1 byte
  unsigned serialNumberLength = getByte(ptr, limit);

  // COMPONENT.<type>Sn: string (length "serialNumberLength"):
  noteStringField(componentType == 1 ? "COMPONENT.cameraSn":
                  componentType == 2 ? "COMPONENT.aircraftSn":
                  componentType == 3 ? "COMPONENT.rcSn":
                  componentType == 4 ? "COMPONENT.batterySn":
                  "COMPONENT.unknownSn",
                  ptr, serialNumberLength, limit);
}