text: /*
   * Copyright (c) 2017, 2021, Oracle and/or its affiliates.
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License, version 2.0, as
   * published by the Free Software Foundation.
   *
   * This program is also distributed with certain software (including
   * but not limited to OpenSSL) that is licensed under separate terms,
   * as designated in a particular file or component or in included license
   * documentation.  The authors of MySQL hereby grant you an
   * additional permission to link the program and your derivative works
   * with the separately licensed software that they have included with
   * MySQL.
   *
   * Without limiting anything contained in the foregoing, this file,
   * which is part of MySQL Connector/Node.js, is also subject to the
   * Universal FOSS Exception, version 1.0, a copy of which can be found at
   * http://oss.oracle.com/licenses/universal-foss-exception.
   *
   * This program is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   * See the GNU General Public License, version 2.0, for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software Foundation, Inc.,
   * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
   */
  
  'use strict';
  
  const ColumnIdentifier = require('../../../../Protocol/Stubs/mysqlx_expr_pb').ColumnIdentifier;
  const DocumentPathItem = require('../../../../Protocol/Stubs/mysqlx_expr_pb').DocumentPathItem;
  const Pa = require('parsimmon');
  
  const scopedDocumentField = options => r => {
      return Pa
          .seq(
              Pa
                  .string('$')
                  .map(data => {
                      options.scoped = true;
                      return data;
                  }),
              r.documentPath
                  .atMost(1)
                  .map(data => data[0])
          )
          .map(data => data[1]);
  };
  
  const parser = options => r => Pa
      .alt(
          Pa
              .seq(
                  r.fieldId.map(data => {
                      const pathItem = new DocumentPathItem();
  
                      pathItem.setType(DocumentPathItem.Type.MEMBER);
                      pathItem.setValue(data);
  
                      return pathItem;
                  }),
                  r.documentPath.atMost(1).map(data => data[0])
              )
              .map(data => [data[0]].concat(data[1])),
          scopedDocumentField(options)(r)
      )
      .map(data => {
          const columnId = new ColumnIdentifier();
  
          data.forEach(pathItem => {
              columnId.addDocumentPath(pathItem);
          });
  
          return columnId;
      });
  
  module.exports = { name: 'DOCUMENT_FIELD', parser };
  