Пример #1
0
unsigned
FlarmNetReader::LoadFile(NLineReader &reader, FlarmDatabase &database)
{
  /* skip first line */
  const char *line = reader.read();
  if (line == NULL)
    return 0;

  int itemCount = 0;
  while ((line = reader.read()) != NULL) {
    FlarmRecord record;
    if (LoadRecord(record, line)) {
      database.Insert(record);
      itemCount++;
    }
  }

  return itemCount;
}
Пример #2
0
unsigned
FLARMNetDatabase::LoadFile(NLineReader &reader)
{
  /* skip first line */
  const char *line = reader.read();
  if (line == NULL)
    return 0;

  int itemCount = 0;
  while ((line = reader.read()) != NULL) {
    FLARMNetRecord *record = new FLARMNetRecord;

    LoadRecord(line, record);

    insert(value_type(record->GetId(), record));

    itemCount++;
  };

  return itemCount;
}
Пример #3
0
void
TopographyStore::Load(OperationEnvironment &operation, NLineReader &reader,
                      const TCHAR *directory, struct zzip_dir *zdir)
{
  Reset();

  // Create buffer for the shape filenames
  // (shape_filename will be modified with the shape_filename_end pointer)
  char shape_filename[MAX_PATH];
  if (directory != NULL) {
    const WideToACPConverter narrow_directory(directory);
    strcpy(shape_filename, narrow_directory);
    strcat(shape_filename, DIR_SEPARATOR_S);
  } else
    shape_filename[0] = 0;

  char *shape_filename_end = shape_filename + strlen(shape_filename);

  // Read file size to have a rough progress estimate for the progress bar
  long filesize = std::max(reader.size(), 1l);

  // Set progress bar to 100 steps
  operation.SetProgressRange(100);

  // Iterate through shape files in the "topology.tpl" file until
  // end or max. file number reached
  char *line;
  while (!files.full() && (line = reader.read()) != NULL) {
    // Line format: filename,range,icon,field,r,g,b,pen_width,label_range,important_range

    // Ignore comments (lines starting with *) and empty lines
    if (StringIsEmpty(line) || line[0] == '*')
      continue;

    // Find first comma to extract shape filename
    char *p = strchr(line, ',');
    if (p == NULL || p == line)
      // If no comma was found -> ignore this line/shapefile
      continue;

    if (HasLittleMemory()) {
      /* hard-coded blacklist for huge files on PPC2000; those
         devices usually have very little memory */

      // Null-terminate the line string after the first comma
      // for strcmp() calls in IsHugeTopographyFile() function
      *p = 0;

      // Skip large topography files
      if (IsHugeTopographyFile(line))
        continue;
    }

    // Extract filename and append it to the shape_filename buffer
    memcpy(shape_filename_end, line, p - line);
    // Append ".shp" file extension to the shape_filename buffer
    strcpy(shape_filename_end + (p - line), ".shp");

    // Parse shape range
    fixed shape_range = fixed(strtod(p + 1, &p)) * 1000;
    if (*p != _T(','))
      continue;

    // Parse shape icon id
    long shape_icon = strtol(p + 1, &p, 10);
    if (*p != _T(','))
      continue;

    // Parse shape field for text display
    long shape_field = strtol(p + 1, &p, 10) - 1;
    if (*p != _T(','))
      continue;

    // Parse red component of line / shading colour
    uint8_t red = (uint8_t)strtol(p + 1, &p, 10);
    if (*p != _T(','))
      continue;

    // Parse green component of line / shading colour
    uint8_t green = (uint8_t)strtol(p + 1, &p, 10);
    if (*p != _T(','))
      continue;

    // Parse blue component of line / shading colour
    uint8_t blue = (uint8_t)strtol(p + 1, &p, 10);

    // Parse pen width of lines
    int pen_width=1;
    if (*p == _T(',')) {
      pen_width = strtol(p + 1, &p, 10);
      if (pen_width<0)
        pen_width=1;
      else if (pen_width>31)
        pen_width=31;
    }

    // Parse range for displaying labels
    fixed label_range = shape_range;
    if (*p == _T(','))
      label_range = fixed(strtod(p + 1, &p)) * 1000;

    // Parse range for displaying labels with "important" rendering style
    fixed labelImportantRange = fixed_zero;
    if (*p == _T(','))
      labelImportantRange = fixed(strtod(p + 1, &p)) * 1000;

    // Create TopographyFile instance from parsed line
    TopographyFile *file = new TopographyFile(zdir, shape_filename,
                                              shape_range, label_range,
                                              labelImportantRange,
                                              Color(red, green, blue),
                                              shape_field, shape_icon,
                                              pen_width);
    if (file->IsEmpty())
      // If the shape file could not be read -> skip this line/file
      delete file;
    else
      // .. otherwise append it to our list of shape files
      files.append(file);

    // Update progress bar
    operation.SetProgressPosition((reader.tell() * 100) / filesize);
  }
}