Method rollback

lib/utils/xml-stream.js:145–155

()

  }

  rollback() {
    const r = this._rollbacks.pop();
    if (this._xml.length > r.xml) {
      this._xml.splice(r.xml, this._xml.length - r.xml);
    }
    if (this._stack.length > r.stack) {
      this._stack.splice(r.stack, this._stack.length - r.stack);
    }
    this.leaf = r.leaf;
    this.open = r.open;
  }

  get xml() {
    this.closeAll();