Function cmark_node_insert_after

src/node.c:736–767

}

int cmark_node_insert_after(cmark_node *node, cmark_node *sibling) {
  if (node == NULL || sibling == NULL) {
    return 0;
  }

  if (!node->parent || !S_can_contain(node->parent, sibling)) {
    return 0;
  }

  S_node_unlink(sibling);

  cmark_node *old_next = node->next;

  // Insert 'sibling' between 'node' and 'old_next'.
  if (old_next) {
    old_next->prev = sibling;
  }
  sibling->next = old_next;
  sibling->prev = node;
  node->next = sibling;

  // Set new parent.
  cmark_node *parent = node->parent;
  sibling->parent = parent;

  // Adjust last_child of parent if inserted as last child.
  if (parent && !old_next) {
    parent->last_child = sibling;
  }

  return 1;
}

int cmark_node_replace(cmark_node *oldnode, cmark_node *newnode) {
  if (!cmark_node_insert_before(oldnode, newnode)) {