collectAllStylesWithOffsets method

Implementation

List<OffsetValue<Style>> collectAllStylesWithOffsets(
  int offset,
  int len, {
  int beg = 0,
}) {
  final local = math.min(length - offset, len);
  final result = <OffsetValue<Style>>[];

  final data = queryChild(offset, true);
  var node = data.node as Leaf?;
  if (node != null) {
    var pos = 0;
    pos = node.length - data.offset;
    result.add(OffsetValue(node.documentOffset, node.style, node.length));
    while (!node!.isLast && pos < local) {
      node = node.next as Leaf;
      result.add(OffsetValue(node.documentOffset, node.style, node.length));
      pos += node.length;
    }
  }

  result.add(OffsetValue(documentOffset, style, length));
  if (parent is Block) {
    final block = parent as Block;
    result.add(OffsetValue(block.documentOffset, block.style, block.length));
  }

  final remaining = len - local;
  if (remaining > 0 && nextLine != null) {
    final rest =
        nextLine!.collectAllStylesWithOffsets(0, remaining, beg: local);
    result.addAll(rest);
  }

  return result;
}