@gmsoft/spel2js/src/ast/StringLiteral.js

Parse Spring Expression Language in JavaScript

/*
 * Copyright 2002-2015 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import { SpelNode } from './SpelNode';

/**
 * Expression language AST node that represents a string literal.
 *
 * @author Andy Clement
 * @author Juergen Hoeller
 * @author Ben March
 * @since 0.2.0
 */

function createNode(value, position) {
  var node = SpelNode.create('string', position);

  function stripQuotes(value) {
    if (
      (value[0] === "'" && value[value.length - 1] === "'") ||
      (value[0] === '"' && value[value.length - 1] === '"')
    ) {
      value = value.substring(1, value.length - 1);
    }

    return value.replace(/''/g, "'").replace(/""/g, '"');
  }

  //value cannot be null so no check
  value = stripQuotes(value);

  node.getValue = function () {
    return value;
  };

  node.setValue = function (newValue) {
    /*jshint -W093 */
    return (value = newValue);
    /*jshint +W093 */
  };

  return node;
}

export var StringLiteral = {
  create: createNode,
};