<?php

/**
 * Time zone name translation
 *
 * This file translates well-known time zone names into "Olson database" time zone names.
 *
 * @package Sabre
 * @subpackage VObject 
 * @copyright Copyright (C) 2007-2012 Rooftop Solutions. All rights reserved.
 * @author Frank Edelhaeuser (fedel@users.sourceforge.net) 
 * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
 */
class Sabre_VObject_WindowsTimezoneMap {

    protected static $map = array(

        // from http://unicode.org/repos/cldr-tmp/trunk/diff/supplemental/zone_tzid.html
        // snapshot taken on 2012/01/16

        // windows
        'AUS Central Standard Time'=>'Australia/Darwin',
        'AUS Eastern Standard Time'=>'Australia/Sydney',
        'Afghanistan Standard Time'=>'Asia/Kabul',
        'Alaskan Standard Time'=>'America/Anchorage',
        'Arab Standard Time'=>'Asia/Riyadh',
        'Arabian Standard Time'=>'Asia/Dubai',
        'Arabic Standard Time'=>'Asia/Baghdad',
        'Argentina Standard Time'=>'America/Buenos_Aires',
        'Armenian Standard Time'=>'Asia/Yerevan',
        'Atlantic Standard Time'=>'America/Halifax',
        'Azerbaijan Standard Time'=>'Asia/Baku',
        'Azores Standard Time'=>'Atlantic/Azores',
        'Bangladesh Standard Time'=>'Asia/Dhaka',
        'Canada Central Standard Time'=>'America/Regina',
        'Cape Verde Standard Time'=>'Atlantic/Cape_Verde',
        'Caucasus Standard Time'=>'Asia/Yerevan',
        'Cen. Australia Standard Time'=>'Australia/Adelaide',
        'Central America Standard Time'=>'America/Guatemala',
        'Central Asia Standard Time'=>'Asia/Almaty',
        'Central Brazilian Standard Time'=>'America/Cuiaba',
        'Central Europe Standard Time'=>'Europe/Budapest',
        'Central European Standard Time'=>'Europe/Warsaw',
        'Central Pacific Standard Time'=>'Pacific/Guadalcanal',
        'Central Standard Time'=>'America/Chicago',
        'Central Standard Time (Mexico)'=>'America/Mexico_City',
        'China Standard Time'=>'Asia/Shanghai',
        'Dateline Standard Time'=>'Etc/GMT+12',
        'E. Africa Standard Time'=>'Africa/Nairobi',
        'E. Australia Standard Time'=>'Australia/Brisbane',
        'E. Europe Standard Time'=>'Europe/Minsk',
        'E. South America Standard Time'=>'America/Sao_Paulo',
        'Eastern Standard Time'=>'America/New_York',
        'Egypt Standard Time'=>'Africa/Cairo',
        'Ekaterinburg Standard Time'=>'Asia/Yekaterinburg',
        'FLE Standard Time'=>'Europe/Kiev',
        'Fiji Standard Time'=>'Pacific/Fiji',
        'GMT Standard Time'=>'Europe/London',
        'GTB Standard Time'=>'Europe/Istanbul',
        'Georgian Standard Time'=>'Asia/Tbilisi',
        'Greenland Standard Time'=>'America/Godthab',
        'Greenwich Standard Time'=>'Atlantic/Reykjavik',
        'Hawaiian Standard Time'=>'Pacific/Honolulu',
        'India Standard Time'=>'Asia/Calcutta',
        'Iran Standard Time'=>'Asia/Tehran',
        'Israel Standard Time'=>'Asia/Jerusalem',
        'Jordan Standard Time'=>'Asia/Amman',
        'Kamchatka Standard Time'=>'Asia/Kamchatka',
        'Korea Standard Time'=>'Asia/Seoul',
        'Magadan Standard Time'=>'Asia/Magadan',
        'Mauritius Standard Time'=>'Indian/Mauritius',
        'Mexico Standard Time'=>'America/Mexico_City',
        'Mexico Standard Time 2'=>'America/Chihuahua',
        'Mid-Atlantic Standard Time'=>'Etc/GMT+2',
        'Middle East Standard Time'=>'Asia/Beirut',
        'Montevideo Standard Time'=>'America/Montevideo',
        'Morocco Standard Time'=>'Africa/Casablanca',
        'Mountain Standard Time'=>'America/Denver',
        'Mountain Standard Time (Mexico)'=>'America/Chihuahua',
        'Myanmar Standard Time'=>'Asia/Rangoon',
        'N. Central Asia Standard Time'=>'Asia/Novosibirsk',
        'Namibia Standard Time'=>'Africa/Windhoek',
        'Nepal Standard Time'=>'Asia/Katmandu',
        'New Zealand Standard Time'=>'Pacific/Auckland',
        'Newfoundland Standard Time'=>'America/St_Johns',
        'North Asia East Standard Time'=>'Asia/Irkutsk',
        'North Asia Standard Time'=>'Asia/Krasnoyarsk',
        'Pacific SA Standard Time'=>'America/Santiago',
        'Pacific Standard Time'=>'America/Los_Angeles',
        'Pacific Standard Time (Mexico)'=>'America/Santa_Isabel',
        'Pakistan Standard Time'=>'Asia/Karachi',
        'Paraguay Standard Time'=>'America/Asuncion',
        'Romance Standard Time'=>'Europe/Paris',
        'Russian Standard Time'=>'Europe/Moscow',
        'SA Eastern Standard Time'=>'America/Cayenne',
        'SA Pacific Standard Time'=>'America/Bogota',
        'SA Western Standard Time'=>'America/La_Paz',
        'SE Asia Standard Time'=>'Asia/Bangkok',
        'Samoa Standard Time'=>'Pacific/Apia',
        'Singapore Standard Time'=>'Asia/Singapore',
        'South Africa Standard Time'=>'Africa/Johannesburg',
        'Sri Lanka Standard Time'=>'Asia/Colombo',
        'Syria Standard Time'=>'Asia/Damascus',
        'Taipei Standard Time'=>'Asia/Taipei',
        'Tasmania Standard Time'=>'Australia/Hobart',
        'Tokyo Standard Time'=>'Asia/Tokyo',
        'Tonga Standard Time'=>'Pacific/Tongatapu',
        'US Eastern Standard Time'=>'America/Indianapolis',
        'US Mountain Standard Time'=>'America/Phoenix',
        'UTC'=>'Etc/GMT',
        'UTC+12'=>'Etc/GMT-12',
        'UTC-02'=>'Etc/GMT+2',
        'UTC-11'=>'Etc/GMT+11',
        'Ulaanbaatar Standard Time'=>'Asia/Ulaanbaatar',
        'Venezuela Standard Time'=>'America/Caracas',
        'Vladivostok Standard Time'=>'Asia/Vladivostok',
        'W. Australia Standard Time'=>'Australia/Perth',
        'W. Central Africa Standard Time'=>'Africa/Lagos',
        'W. Europe Standard Time'=>'Europe/Berlin',
        'West Asia Standard Time'=>'Asia/Tashkent',
        'West Pacific Standard Time'=>'Pacific/Port_Moresby',
        'Yakutsk Standard Time'=>'Asia/Yakutsk',
    );

    static public function lookup($tzid) {
        return isset(self::$map[$tzid]) ? self::$map[$tzid] : null;
    }
}