C++ InputConfig::append_menu方法代码示例

void
ParseInputFile(InputConfig &config, TLineReader &reader)
{
  // TODO code - Safer sizes, strings etc - use C++ (can scanf restrict length?)

  TCHAR *new_label = NULL;

  // Init first entry

  // Did we find some in the last loop...
  bool some_data = false;
  // Multiple modes (so large string)
  TCHAR d_mode[1024] = _T("");
  TCHAR d_type[256] = _T("");
  TCHAR d_data[256] = _T("");
  unsigned event_id = 0;
  TCHAR d_label[256] = _T("");
  int d_location = 0;
  TCHAR d_event[256] = _T("");
  TCHAR d_misc[256] = _T("");

  int line = 0;

  // Read from the file
  // TODO code: What about \r - as in \r\n ?
  // TODO code: Note that ^# does not allow # in key - might be required (probably not)
  //   Better way is to separate the check for # and the scanf
  TCHAR *buffer;
  while ((buffer = reader.read()) != NULL) {
    TrimRight(buffer);
    line++;

    const TCHAR *key, *value;

    // experimental: if the first line is "#CLEAR" then the whole default config is cleared
    //               and can be overwritten by file
    if (line == 1 && _tcscmp(buffer, _T("#CLEAR")) == 0) {
      config.clear_all_events();
    } else if (buffer[0] == _T('\0')) {
      // Check valid line? If not valid, assume next record (primative, but works ok!)
      // General checks before continue...
      if (some_data && (d_mode != NULL) && (_tcscmp(d_mode, _T("")) != 0)) {

        TCHAR *token;

        // For each mode
        token = _tcstok(d_mode, _T(" "));

        // General errors - these should be true
        assert(d_location >= 0);
        assert(d_location < 1024); // Scott arbitrary limit
        assert(d_mode != NULL);
        assert(d_type != NULL);
        assert(d_label != NULL);

        // These could indicate bad data - thus not an ASSERT (debug only)
        // assert(_tcslen(d_mode) < 1024);
        // assert(_tcslen(d_type) < 1024);
        // assert(_tcslen(d_label) < 1024);

        while (token != NULL) {

          // All modes are valid at this point
          int mode_id = config.make_mode(token);
          assert(mode_id >= 0);

          // Make label event
          // TODO code: Consider Reuse existing entries...
          if (d_location > 0) {
            // Only copy this once per object - save string space
            if (!new_label) {
              new_label = StringMallocParse(d_label);
            }

            config.append_menu(mode_id, new_label, d_location, event_id);
          }

          // Make key (Keyboard input)
          // key - Hardware key or keyboard
          if (_tcscmp(d_type, _T("key")) == 0) {
            // Get the int key (eg: APP1 vs 'a')
            unsigned key = InputEvents::findKey(d_data);
            if (key > 0)
              config.Key2Event[mode_id][key] = event_id;
            else
              LogStartUp(_T("Invalid key data: %s at %i"), d_data, line);

          // Make gce (Glide Computer Event)
          // GCE - Glide Computer Event
          } else if (_tcscmp(d_type, _T("gce")) == 0) {
            // Get the int key (eg: APP1 vs 'a')
            int key = InputEvents::findGCE(d_data);
            if (key >= 0)
              config.GC2Event[mode_id][key] = event_id;
            else
              LogStartUp(_T("Invalid GCE data: %s at %i"), d_data, line);

          // Make ne (NMEA Event)
          // NE - NMEA Event
          } else if (_tcscmp(d_type, _T("ne")) == 0) {
//.........这里部分代码省略.........