// Copyright (C) 2015 The Android Open Source Project
//
// 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.

'use strict';

var util = util || {};

util.parseDate = function(dateStr) {
  // Timestamps are given in UTC and have the format
  // "'yyyy-mm-dd hh:mm:ss.fffffffff'" where "'ffffffffff'" represents
  // nanoseconds.
  // Munge the date into an ISO 8061 format and parse that.
  return new Date(dateStr.replace(' ', 'T') + 'Z');
};

util.htmlEntityMap = {
  '&': '&',
  '<': '&lt;',
  '>': '&gt;',
  '"': '&quot;',
  '\'': '&#39;',
  '/': '&#x2F;'
};

util.escapeHTML = function(str) {
  return str.replace(/[&<>"'\/]/g, function(s) {
    return util.htmlEntityMap[s];
  });
};

util.shouldSupressKeyboardShortcut = function(e) {
  var target = e.detail.keyboardEvent.target;
  return target.tagName == 'INPUT' ||
         target.tagName == 'TEXTAREA' ||
         target.tagName == 'SELECT' ||
         target.tagName == 'BUTTON' ||
         target.tagName == 'A';
};

util.getCookie = function(name) {
  var key = name + '=';
  var cookies = document.cookie.split(';');
  for(var i = 0; i < cookies.length; i++) {
    var c = cookies[i];
    while (c.charAt(0) == ' ') {
      c = c.substring(1);
    }
    if (c.indexOf(key) == 0) {
      return c.substring(key.length, c.length);
    }
  }
  return '';
};