Method printLongPath

Marlin/src/sd/cardreader.cpp:370–422

Get a long pretty path based on a DOS 8.3 path

  // Get a long pretty path based on a DOS 8.3 path
  //
  void CardReader::printLongPath(char * const path) {

    int i, pathLen = path ? strlen(path) : 0;

    // SERIAL_ECHOPGM("Full Path: "); SERIAL_ECHOLN(path);

    // Zero out slashes to make segments
    for (i = 0; i < pathLen; i++) if (path[i] == '/') path[i] = '\0';

    MediaFile diveDir = root; // start from the root for segment 1
    for (i = 0; i < pathLen;) {

      if (path[i] == '\0') i++; // move past a single nul

      char *segment = &path[i]; // The segment after most slashes

      // If a segment is empty (extra-slash) then exit
      if (!*segment) break;

      // Go to the next segment
      while (path[++i]) { }

      //SERIAL_ECHOLNPGM("Looking for segment: ", segment);

      // Find the item, setting the long filename
      diveDir.rewind();
      selectByName(diveDir, segment);

      // Print /LongNamePart to serial output or the short name if not available
      SERIAL_CHAR('/');
      SERIAL_ECHO(longFilename[0] ? longFilename : filename);

      // If the filename was printed then that's it
      if (!flag.filenameIsDir) break;

      // SERIAL_ECHOPGM("Opening dir: "); SERIAL_ECHOLN(segment);

      // Open the sub-item as the new dive parent
      MediaFile dir;
      if (!dir.open(&diveDir, segment, O_READ)) {
        SERIAL_EOL();
        SERIAL_ECHO_START();
        SERIAL_ECHOPGM(STR_SD_CANT_OPEN_SUBDIR, segment);
        break;
      }

      diveDir.close();
      diveDir = dir;

    } // while i<pathLen

    SERIAL_EOL();
  }

  void CardReader::getLongPath(char * const pathLong, char * const pathShort) {