/*
 * Copyright 2015 IBM Corp.
 *
 * 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.
 */

/**
 * A namespace for string utility functions.
 */
horizon.string = {

  /**
   * Escapes any characters that would have special meaning in a regular expression.
   */
  escapeRegex: function(text) {
    return text.replace(/([.*+?^${}()|\[\]\/\\])/g, "\\$1");
  },

  /**
   * Escapes any HTML characters to avoid XSS.
   */
  escapeHtml: function(text) {
    return text.replace(/&/g, '&amp;')
      .replace(/</g, '&lt;')
      .replace(/>/g, '&gt;')
      .replace(/"/g, '&quot;')
      .replace(/'/g, '&#x27;')
      .replace(/\//g, '&#x2F;');
  }
};
