Function _parse_escape_chars

Descent3/localization.cpp:597–652

parses out escape chars...like /t,/n

// parses out escape chars...like /t,/n
char *_parse_escape_chars(char *buffer) {
  char tempbuffer[MAX_STRING_LENGTH];
  int t_index, b_index;

  t_index = 0;
  b_index = 0;

  // search for a /
  while (buffer[b_index] != '\0') {
    // see if we are at a backslash
    if (buffer[b_index] != '\\') {
      tempbuffer[t_index] = buffer[b_index];
      t_index++;
      b_index++;
    } else {
      // we are at a backslash, so determine what to do
      b_index++;
      switch (toupper(buffer[b_index])) {
      case 'T':
        tempbuffer[t_index] = '\t';
        break;
      case 'N':
        tempbuffer[t_index] = '\n';
        break;
      case 'R':
        tempbuffer[t_index] = '\r';
        break;
      case '\"':
        tempbuffer[t_index] = '\"';
        break;
      case '\\':
        tempbuffer[t_index] = '\\';
        break;
      default:
        // see if we have a number
        if ((buffer[b_index] >= '0') && (buffer[b_index] <= '9')) {
          // we have a number, so parse the value
          uint8_t value = 0;
          while ((buffer[b_index] >= '0') && (buffer[b_index] <= '9')) {
            value = (value * 10) + buffer[b_index] - '0';
            b_index++;
          }
          // adjust b_index
          b_index--;
          tempbuffer[t_index] = value;
        }
        break;
      }
      b_index++;
      t_index++;
    }
  }
  tempbuffer[t_index] = '\0';
  strcpy(buffer, tempbuffer);
  return buffer;
}

GrowString::GrowString() {