473 lines
14 KiB
PHP
473 lines
14 KiB
PHP
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<?php
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/**
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* CLocale class file.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @link http://www.yiiframework.com/
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* @copyright 2008-2013 Yii Software LLC
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* @license http://www.yiiframework.com/license/
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*/
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/**
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* CLocale represents the data relevant to a locale.
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*
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* The data includes the number formatting information and date formatting information.
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*
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* @property string $id The locale ID (in canonical form).
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* @property CNumberFormatter $numberFormatter The number formatter for this locale.
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* @property CDateFormatter $dateFormatter The date formatter for this locale.
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* @property string $decimalFormat The decimal format.
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* @property string $currencyFormat The currency format.
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* @property string $percentFormat The percent format.
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* @property string $scientificFormat The scientific format.
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* @property array $monthNames Month names indexed by month values (1-12).
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* @property array $weekDayNames The weekday names indexed by weekday values (0-6, 0 means Sunday, 1 Monday, etc.).
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* @property string $aMName The AM name.
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* @property string $pMName The PM name.
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* @property string $dateFormat Date format.
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* @property string $timeFormat Date format.
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* @property string $dateTimeFormat Datetime format, i.e., the order of date and time.
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* @property string $orientation The character orientation, which is either 'ltr' (left-to-right) or 'rtl' (right-to-left).
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* @property array $pluralRules Plural forms expressions.
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*
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* @author Qiang Xue <qiang.xue@gmail.com>
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* @package system.i18n
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* @since 1.0
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*/
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class CLocale extends CComponent
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{
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/**
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* @var string the directory that contains the locale data. If this property is not set,
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* the locale data will be loaded from 'framework/i18n/data'.
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* @since 1.1.0
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*/
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public static $dataPath;
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private $_id;
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private $_data;
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private $_dateFormatter;
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private $_numberFormatter;
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/**
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* Returns the instance of the specified locale.
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* Since the constructor of CLocale is protected, you can only use
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* this method to obtain an instance of the specified locale.
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* @param string $id the locale ID (e.g. en_US)
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* @return CLocale the locale instance
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*/
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public static function getInstance($id)
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{
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static $locales=array();
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if(isset($locales[$id]))
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return $locales[$id];
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else
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return $locales[$id]=new CLocale($id);
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}
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/**
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* @return array IDs of the locales which the framework can recognize
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*/
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public static function getLocaleIDs()
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{
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static $locales;
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if($locales===null)
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{
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$locales=array();
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$dataPath=self::$dataPath===null ? dirname(__FILE__).DIRECTORY_SEPARATOR.'data' : self::$dataPath;
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$folder=@opendir($dataPath);
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while(($file=@readdir($folder))!==false)
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{
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$fullPath=$dataPath.DIRECTORY_SEPARATOR.$file;
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if(substr($file,-4)==='.php' && is_file($fullPath))
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$locales[]=substr($file,0,-4);
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}
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closedir($folder);
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sort($locales);
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}
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return $locales;
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}
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/**
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* Constructor.
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* Since the constructor is protected, please use {@link getInstance}
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* to obtain an instance of the specified locale.
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* @param string $id the locale ID (e.g. en_US)
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* @throws CException if given locale id is not recognized
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*/
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protected function __construct($id)
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{
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$this->_id=self::getCanonicalID($id);
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$dataPath=self::$dataPath===null ? dirname(__FILE__).DIRECTORY_SEPARATOR.'data' : self::$dataPath;
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$dataFile=$dataPath.DIRECTORY_SEPARATOR.$this->_id.'.php';
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if(is_file($dataFile))
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$this->_data=require($dataFile);
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else
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throw new CException(Yii::t('yii','Unrecognized locale "{locale}".',array('{locale}'=>$id)));
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}
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/**
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* Converts a locale ID to its canonical form.
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* In canonical form, a locale ID consists of only underscores and lower-case letters.
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* @param string $id the locale ID to be converted
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* @return string the locale ID in canonical form
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*/
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public static function getCanonicalID($id)
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{
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return strtolower(str_replace('-','_',$id));
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}
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/**
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* @return string the locale ID (in canonical form)
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*/
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public function getId()
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{
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return $this->_id;
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}
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/**
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* @return CNumberFormatter the number formatter for this locale
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*/
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public function getNumberFormatter()
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{
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if($this->_numberFormatter===null)
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$this->_numberFormatter=new CNumberFormatter($this);
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return $this->_numberFormatter;
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}
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/**
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* @return CDateFormatter the date formatter for this locale
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*/
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public function getDateFormatter()
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{
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if($this->_dateFormatter===null)
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$this->_dateFormatter=new CDateFormatter($this);
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return $this->_dateFormatter;
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}
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/**
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* @param string $currency 3-letter ISO 4217 code. For example, the code "USD" represents the US Dollar and "EUR" represents the Euro currency.
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* @return string the localized currency symbol. Null if the symbol does not exist.
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*/
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public function getCurrencySymbol($currency)
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{
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return isset($this->_data['currencySymbols'][$currency]) ? $this->_data['currencySymbols'][$currency] : null;
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}
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/**
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* @param string $name symbol name
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* @return string symbol
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*/
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public function getNumberSymbol($name)
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{
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return isset($this->_data['numberSymbols'][$name]) ? $this->_data['numberSymbols'][$name] : null;
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}
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/**
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* @return string the decimal format
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*/
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public function getDecimalFormat()
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{
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return $this->_data['decimalFormat'];
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}
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/**
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* @return string the currency format
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*/
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public function getCurrencyFormat()
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{
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return $this->_data['currencyFormat'];
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}
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/**
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* @return string the percent format
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*/
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public function getPercentFormat()
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{
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return $this->_data['percentFormat'];
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}
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/**
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* @return string the scientific format
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*/
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public function getScientificFormat()
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{
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return $this->_data['scientificFormat'];
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}
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/**
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* @param integer $month month (1-12)
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* @param string $width month name width. It can be 'wide', 'abbreviated' or 'narrow'.
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* @param boolean $standAlone whether the month name should be returned in stand-alone format
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* @return string the month name
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*/
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public function getMonthName($month,$width='wide',$standAlone=false)
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{
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if($standAlone)
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return isset($this->_data['monthNamesSA'][$width][$month]) ? $this->_data['monthNamesSA'][$width][$month] : $this->_data['monthNames'][$width][$month];
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else
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return isset($this->_data['monthNames'][$width][$month]) ? $this->_data['monthNames'][$width][$month] : $this->_data['monthNamesSA'][$width][$month];
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}
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/**
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* Returns the month names in the specified width.
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* @param string $width month name width. It can be 'wide', 'abbreviated' or 'narrow'.
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* @param boolean $standAlone whether the month names should be returned in stand-alone format
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* @return array month names indexed by month values (1-12)
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*/
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public function getMonthNames($width='wide',$standAlone=false)
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{
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if($standAlone)
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return isset($this->_data['monthNamesSA'][$width]) ? $this->_data['monthNamesSA'][$width] : $this->_data['monthNames'][$width];
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else
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return isset($this->_data['monthNames'][$width]) ? $this->_data['monthNames'][$width] : $this->_data['monthNamesSA'][$width];
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}
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/**
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* @param integer $day weekday (0-7, 0 and 7 means Sunday)
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* @param string $width weekday name width. It can be 'wide', 'abbreviated' or 'narrow'.
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* @param boolean $standAlone whether the week day name should be returned in stand-alone format
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* @return string the weekday name
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*/
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public function getWeekDayName($day,$width='wide',$standAlone=false)
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{
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$day=$day%7;
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if($standAlone)
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return isset($this->_data['weekDayNamesSA'][$width][$day]) ? $this->_data['weekDayNamesSA'][$width][$day] : $this->_data['weekDayNames'][$width][$day];
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else
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return isset($this->_data['weekDayNames'][$width][$day]) ? $this->_data['weekDayNames'][$width][$day] : $this->_data['weekDayNamesSA'][$width][$day];
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}
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/**
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* Returns the week day names in the specified width.
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* @param string $width weekday name width. It can be 'wide', 'abbreviated' or 'narrow'.
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* @param boolean $standAlone whether the week day name should be returned in stand-alone format
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* @return array the weekday names indexed by weekday values (0-6, 0 means Sunday, 1 Monday, etc.)
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*/
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public function getWeekDayNames($width='wide',$standAlone=false)
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{
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if($standAlone)
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return isset($this->_data['weekDayNamesSA'][$width]) ? $this->_data['weekDayNamesSA'][$width] : $this->_data['weekDayNames'][$width];
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else
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return isset($this->_data['weekDayNames'][$width]) ? $this->_data['weekDayNames'][$width] : $this->_data['weekDayNamesSA'][$width];
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}
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/**
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* @param integer $era era (0,1)
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* @param string $width era name width. It can be 'wide', 'abbreviated' or 'narrow'.
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* @return string the era name
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*/
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public function getEraName($era,$width='wide')
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{
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return $this->_data['eraNames'][$width][$era];
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}
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/**
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* @return string the AM name
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*/
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public function getAMName()
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{
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return $this->_data['amName'];
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}
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/**
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* @return string the PM name
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*/
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public function getPMName()
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{
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return $this->_data['pmName'];
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}
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/**
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* @param string $width date format width. It can be 'full', 'long', 'medium' or 'short'.
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* @return string date format
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*/
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public function getDateFormat($width='medium')
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{
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return $this->_data['dateFormats'][$width];
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}
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/**
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* @param string $width time format width. It can be 'full', 'long', 'medium' or 'short'.
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* @return string date format
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*/
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public function getTimeFormat($width='medium')
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{
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return $this->_data['timeFormats'][$width];
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}
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/**
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* @return string datetime format, i.e., the order of date and time.
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*/
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public function getDateTimeFormat()
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{
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return $this->_data['dateTimeFormat'];
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}
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/**
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* @return string the character orientation, which is either 'ltr' (left-to-right) or 'rtl' (right-to-left)
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* @since 1.1.2
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*/
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public function getOrientation()
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{
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return isset($this->_data['orientation']) ? $this->_data['orientation'] : 'ltr';
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}
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/**
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* @return array plural forms expressions
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*/
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public function getPluralRules()
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{
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return isset($this->_data['pluralRules']) ? $this->_data['pluralRules'] : array(0=>'true');
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}
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/**
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* Converts a locale ID to a language ID.
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* A language ID consists of only the first group of letters before an underscore or dash.
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* @param string $id the locale ID to be converted
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* @return string the language ID
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* @since 1.1.9
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*/
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public function getLanguageID($id)
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{
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// normalize id
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$id = $this->getCanonicalID($id);
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// remove sub tags
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if(($underscorePosition=strpos($id, '_'))!== false)
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{
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$id = substr($id, 0, $underscorePosition);
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}
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return $id;
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}
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/**
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* Converts a locale ID to a script ID.
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* A script ID consists of only the last four characters after an underscore or dash.
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* @param string $id the locale ID to be converted
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* @return string the script ID
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* @since 1.1.9
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*/
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public function getScriptID($id)
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{
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// normalize id
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$id = $this->getCanonicalID($id);
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// find sub tags
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if(($underscorePosition=strpos($id, '_'))!==false)
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{
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$subTag = explode('_', $id);
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// script sub tags can be distigused from territory sub tags by length
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if (strlen($subTag[1])===4)
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{
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$id = $subTag[1];
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}
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else
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{
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$id = null;
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}
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}
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else
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{
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$id = null;
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}
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return $id;
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}
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/**
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* Converts a locale ID to a territory ID.
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||
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* A territory ID consists of only the last two to three letter or digits after an underscore or dash.
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|
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* @param string $id the locale ID to be converted
|
||
|
|
* @return string the territory ID
|
||
|
|
* @since 1.1.9
|
||
|
|
*/
|
||
|
|
public function getTerritoryID($id)
|
||
|
|
{
|
||
|
|
// normalize id
|
||
|
|
$id = $this->getCanonicalID($id);
|
||
|
|
// find sub tags
|
||
|
|
if (($underscorePosition=strpos($id, '_'))!== false)
|
||
|
|
{
|
||
|
|
$subTag = explode('_', $id);
|
||
|
|
// territory sub tags can be distigused from script sub tags by length
|
||
|
|
if (isset($subTag[2]) && strlen($subTag[2])<4)
|
||
|
|
{
|
||
|
|
$id = $subTag[2];
|
||
|
|
}
|
||
|
|
elseif (strlen($subTag[1])<4)
|
||
|
|
{
|
||
|
|
$id = $subTag[1];
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
$id = null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
$id = null;
|
||
|
|
}
|
||
|
|
return $id;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets a localized name from i18n data file (one of framework/i18n/data/ files).
|
||
|
|
*
|
||
|
|
* @param string $id array key from an array named by $category.
|
||
|
|
* @param string $category data category. One of 'languages', 'scripts' or 'territories'.
|
||
|
|
* @return string the localized name for the id specified. Null if data does not exist.
|
||
|
|
* @since 1.1.9
|
||
|
|
*/
|
||
|
|
public function getLocaleDisplayName($id=null, $category='languages')
|
||
|
|
{
|
||
|
|
$id = $this->getCanonicalID($id);
|
||
|
|
if (($category == 'languages') && (isset($this->_data[$category][$id])))
|
||
|
|
{
|
||
|
|
return $this->_data[$category][$id];
|
||
|
|
}
|
||
|
|
elseif (($category == 'scripts') && ($val=$this->getScriptID($id)) && (isset($this->_data[$category][$val])))
|
||
|
|
{
|
||
|
|
return $this->_data[$category][$val];
|
||
|
|
}
|
||
|
|
elseif (($category == 'territories') && ($val=$this->getTerritoryID($id)) && (isset($this->_data[$category][$val])))
|
||
|
|
{
|
||
|
|
return $this->_data[$category][$val];
|
||
|
|
}
|
||
|
|
elseif (isset($this->_data[$category][$id]))
|
||
|
|
{
|
||
|
|
return $this->_data[$category][$id];
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
return null;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param string $id Unicode language identifier from IETF BCP 47. For example, the code "en_US" represents U.S. English and "en_GB" represents British English.
|
||
|
|
* @return string the local display name for the language. Null if the language code does not exist.
|
||
|
|
* @since 1.1.9
|
||
|
|
*/
|
||
|
|
public function getLanguage($id)
|
||
|
|
{
|
||
|
|
$id = $this->getLanguageID($id);
|
||
|
|
return $this->getLocaleDisplayName($id, 'languages');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param string $id Unicode script identifier from IETF BCP 47. For example, the code "en_US" represents U.S. English and "en_GB" represents British English.
|
||
|
|
* @return string the local display name for the script. Null if the script code does not exist.
|
||
|
|
* @since 1.1.9
|
||
|
|
*/
|
||
|
|
public function getScript($id)
|
||
|
|
{
|
||
|
|
return $this->getLocaleDisplayName($id, 'scripts');
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @param string $id Unicode territory identifier from IETF BCP 47. For example, the code "en_US" represents U.S. English and "en_GB" represents British English.
|
||
|
|
* @return string the local display name for the territory. Null if the territory code does not exist.
|
||
|
|
* @since 1.1.9
|
||
|
|
*/
|
||
|
|
public function getTerritory($id)
|
||
|
|
{
|
||
|
|
return $this->getLocaleDisplayName($id, 'territories');
|
||
|
|
}
|
||
|
|
}
|