addNode method

Implementation

bool addNode(String line) {
  commentIndex++;
  if (line.length == 0) return false;
  // Move pointer to required child
  TreeNode temp = TreeNode();
  temp.level = getIndentationLevel(line);
  TreeNode pointer = AST.movePointer(root, temp.level);

  // Extract comment from the line
  String comment = RegExp(r'#.*').stringMatch(line);
  line = removeComments(line);

  // Add comments to comments array.
  line = line.trim();
  if (line.length == 0) {
    if (comment != null)
      comments[commentIndex] = comment;
    else
      comments[commentIndex] = "\n";
    return false;
  }

  // Check it is array or map
  if (line.startsWith("-")) {
    pointer.isArr = true;
    temp.value = line.replaceAllMapped(RegExp(r'^-'), (match) {
      return '';
    });
    temp.value = temp.value.trim();
    pointer.children.add(temp);

    return true;
  } else {
    temp.value = line;
    pointer.children.add(temp);

    return true;
  }
}