Method reopen

LASlib/src/lasreader_txt.cpp:1317–1373

}

BOOL LASreaderTXT::reopen(const char* file_name)
{
  int i;

  if (file_name == 0)
  {
    laserror("file name pointer is zero");
    return FALSE;
  }

  file = fopen_compressed(file_name, "r", &piped);
  if (file == 0)
  {
    laserror("cannot reopen file '%s'", file_name);
    return FALSE;
  }

  if (setvbuf(file, NULL, _IOFBF, 10 * LAS_TOOLS_IO_IBUFFER_SIZE) != 0)
  {
    LASMessage(LAS_WARNING, "setvbuf() failed with buffer size %d", 10 * LAS_TOOLS_IO_IBUFFER_SIZE);
  }

  // skip lines if we have to

  for (i = 0; i < skip_lines; i++) fgets(line, 512, file);

  // read the first line with full parse_string

  i = 0;
  while (fgets(line, 512, file))
  {
    if (parse(parse_string))
    {
      // mark that we found the first point
      i = 1;
      break;
    }
    else
    {
      line[strlen(line) - 1] = '\0';
      LASMessage(LAS_WARNING, "cannot parse '%s' with '%s'. skipping ...", line, parse_string_unparsed);
    }
  }

  // did we manage to parse a line

  if (i != 1)
  {
    laserror("could not parse any lines with '%s'", parse_string);
    fclose(file);
    file = 0;
    return FALSE;
  }
  p_idx = 0;
  p_cnt = 0;
  return TRUE;
}