mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-10-22 14:05:37 +02:00
895 lines
29 KiB
PHP
895 lines
29 KiB
PHP
<?php
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/**
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* Zend Framework
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*
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* LICENSE
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*
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* This source file is subject to the new BSD license that is bundled
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* with this package in the file LICENSE.txt.
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* It is also available through the world-wide-web at this URL:
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* http://framework.zend.com/license/new-bsd
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* If you did not receive a copy of the license and are unable to
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* obtain it through the world-wide-web, please send an email
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* to license@zend.com so we can send you a copy immediately.
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*
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* @category Zend
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* @package Zend_Currency
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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* @version $Id: Currency.php 23775 2011-03-01 17:25:24Z ralph $
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*/
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/**
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* include needed classes
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*/
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require_once 'Zend/Locale.php';
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require_once 'Zend/Locale/Data.php';
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require_once 'Zend/Locale/Format.php';
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/**
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* Class for handling currency notations
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*
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* @category Zend
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* @package Zend_Currency
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* @copyright Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
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* @license http://framework.zend.com/license/new-bsd New BSD License
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*/
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class Zend_Currency
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{
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// Constants for defining what currency symbol should be displayed
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const NO_SYMBOL = 1;
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const USE_SYMBOL = 2;
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const USE_SHORTNAME = 3;
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const USE_NAME = 4;
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// Constants for defining the position of the currencysign
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const STANDARD = 8;
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const RIGHT = 16;
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const LEFT = 32;
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/**
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* Options array
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*
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* The following options are available
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* 'position' => Position for the currency sign
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* 'script' => Script for the output
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* 'format' => Locale for numeric output
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* 'display' => Currency detail to show
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* 'precision' => Precision for the currency
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* 'name' => Name for this currency
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* 'currency' => 3 lettered international abbreviation
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* 'symbol' => Currency symbol
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* 'locale' => Locale for this currency
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* 'value' => Money value
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* 'service' => Exchange service to use
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*
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* @var array
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* @see Zend_Locale
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*/
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protected $_options = array(
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'position' => self::STANDARD,
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'script' => null,
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'format' => null,
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'display' => self::NO_SYMBOL,
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'precision' => 2,
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'name' => null,
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'currency' => null,
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'symbol' => null,
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'locale' => null,
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'value' => 0,
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'service' => null,
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'tag' => 'Zend_Locale'
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);
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/**
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* Creates a currency instance. Every supressed parameter is used from the actual or the given locale.
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*
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* @param string|array $options OPTIONAL Options array or currency short name
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* when string is given
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* @param string|Zend_Locale $locale OPTIONAL locale name
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* @throws Zend_Currency_Exception When currency is invalid
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*/
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public function __construct($options = null, $locale = null)
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{
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if (is_array($options)) {
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$this->setLocale($locale);
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$this->setFormat($options);
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} else if (Zend_Locale::isLocale($options, false, false)) {
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$this->setLocale($options);
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$options = $locale;
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} else {
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$this->setLocale($locale);
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}
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// Get currency details
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if (!isset($this->_options['currency']) || !is_array($options)) {
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$this->_options['currency'] = self::getShortName($options, $this->_options['locale']);
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}
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if (!isset($this->_options['name']) || !is_array($options)) {
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$this->_options['name'] = self::getName($options, $this->_options['locale']);
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}
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if (!isset($this->_options['symbol']) || !is_array($options)) {
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$this->_options['symbol'] = self::getSymbol($options, $this->_options['locale']);
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}
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if (($this->_options['currency'] === null) and ($this->_options['name'] === null)) {
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require_once 'Zend/Currency/Exception.php';
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throw new Zend_Currency_Exception("Currency '$options' not found");
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}
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// Get the format
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if (!empty($this->_options['symbol'])) {
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$this->_options['display'] = self::USE_SYMBOL;
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} else if (!empty($this->_options['currency'])) {
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$this->_options['display'] = self::USE_SHORTNAME;
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}
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}
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/**
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* Returns a localized currency string
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*
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* @param integer|float $value OPTIONAL Currency value
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* @param array $options OPTIONAL options to set temporary
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* @throws Zend_Currency_Exception When the value is not a number
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* @return string
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*/
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public function toCurrency($value = null, array $options = array())
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{
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if ($value === null) {
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if (is_array($options) && isset($options['value'])) {
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$value = $options['value'];
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} else {
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$value = $this->_options['value'];
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}
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}
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if (is_array($value)) {
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$options += $value;
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if (isset($options['value'])) {
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$value = $options['value'];
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}
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}
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// Validate the passed number
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if (!(isset($value)) or (is_numeric($value) === false)) {
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require_once 'Zend/Currency/Exception.php';
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throw new Zend_Currency_Exception("Value '$value' has to be numeric");
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}
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if (isset($options['currency'])) {
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if (!isset($options['locale'])) {
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$options['locale'] = $this->_options['locale'];
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}
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$options['currency'] = self::getShortName($options['currency'], $options['locale']);
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$options['name'] = self::getName($options['currency'], $options['locale']);
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$options['symbol'] = self::getSymbol($options['currency'], $options['locale']);
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}
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$options = $this->_checkOptions($options) + $this->_options;
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// Format the number
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$format = $options['format'];
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$locale = $options['locale'];
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if (empty($format)) {
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$format = Zend_Locale_Data::getContent($locale, 'currencynumber');
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} else if (Zend_Locale::isLocale($format, true, false)) {
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$locale = $format;
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$format = Zend_Locale_Data::getContent($format, 'currencynumber');
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}
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$original = $value;
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$value = Zend_Locale_Format::toNumber($value, array('locale' => $locale,
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'number_format' => $format,
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'precision' => $options['precision']));
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if ($options['position'] !== self::STANDARD) {
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$value = str_replace('¤', '', $value);
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$space = '';
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if (iconv_strpos($value, ' ') !== false) {
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$value = str_replace(' ', '', $value);
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$space = ' ';
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}
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if ($options['position'] == self::LEFT) {
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$value = '¤' . $space . $value;
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} else {
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$value = $value . $space . '¤';
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}
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}
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// Localize the number digits
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if (empty($options['script']) === false) {
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$value = Zend_Locale_Format::convertNumerals($value, 'Latn', $options['script']);
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}
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// Get the sign to be placed next to the number
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if (is_numeric($options['display']) === false) {
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$sign = $options['display'];
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} else {
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switch($options['display']) {
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case self::USE_SYMBOL:
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$sign = $this->_extractPattern($options['symbol'], $original);
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break;
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case self::USE_SHORTNAME:
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$sign = $options['currency'];
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break;
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case self::USE_NAME:
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$sign = $options['name'];
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break;
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default:
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$sign = '';
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$value = str_replace(' ', '', $value);
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break;
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}
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}
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$value = str_replace('¤', $sign, $value);
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return $value;
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}
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/**
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* Internal method to extract the currency pattern
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* when a choice is given based on the given value
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*
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* @param string $pattern
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* @param float|integer $value
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* @return string
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*/
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private function _extractPattern($pattern, $value)
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{
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if (strpos($pattern, '|') === false) {
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return $pattern;
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}
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$patterns = explode('|', $pattern);
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$token = $pattern;
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$value = trim(str_replace('¤', '', $value));
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krsort($patterns);
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foreach($patterns as $content) {
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if (strpos($content, '<') !== false) {
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$check = iconv_substr($content, 0, iconv_strpos($content, '<'));
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$token = iconv_substr($content, iconv_strpos($content, '<') + 1);
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if ($check < $value) {
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return $token;
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}
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} else {
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$check = iconv_substr($content, 0, iconv_strpos($content, '≤'));
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$token = iconv_substr($content, iconv_strpos($content, '≤') + 1);
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if ($check <= $value) {
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return $token;
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}
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}
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}
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return $token;
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}
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/**
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* Sets the formating options of the localized currency string
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* If no parameter is passed, the standard setting of the
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* actual set locale will be used
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*
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* @param array $options (Optional) Options to set
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||
* @return Zend_Currency
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*/
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public function setFormat(array $options = array())
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{
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$this->_options = $this->_checkOptions($options) + $this->_options;
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return $this;
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||
}
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||
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/**
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||
* Internal function for checking static given locale parameter
|
||
*
|
||
* @param string $currency (Optional) Currency name
|
||
* @param string|Zend_Locale $locale (Optional) Locale to display informations
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* @throws Zend_Currency_Exception When locale contains no region
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||
* @return string The extracted locale representation as string
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*/
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private function _checkParams($currency = null, $locale = null)
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{
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// Manage the params
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if ((empty($locale)) and (!empty($currency)) and
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(Zend_Locale::isLocale($currency, true, false))) {
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$locale = $currency;
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$currency = null;
|
||
}
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||
// Validate the locale and get the country short name
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||
$country = null;
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||
if ((Zend_Locale::isLocale($locale, true, false)) and (strlen($locale) > 4)) {
|
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$country = substr($locale, (strpos($locale, '_') + 1));
|
||
} else {
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require_once 'Zend/Currency/Exception.php';
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throw new Zend_Currency_Exception("No region found within the locale '" . (string) $locale . "'");
|
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}
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// Get the available currencies for this country
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$data = Zend_Locale_Data::getContent($locale, 'currencytoregion', $country);
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if ((empty($currency) === false) and (empty($data) === false)) {
|
||
$abbreviation = $currency;
|
||
} else {
|
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$abbreviation = $data;
|
||
}
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||
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||
return array('locale' => $locale, 'currency' => $currency, 'name' => $abbreviation, 'country' => $country);
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}
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||
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/**
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||
* Returns the actual or details of other currency symbols,
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||
* when no symbol is available it returns the currency shortname (f.e. FIM for Finnian Mark)
|
||
*
|
||
* @param string $currency (Optional) Currency name
|
||
* @param string|Zend_Locale $locale (Optional) Locale to display informations
|
||
* @return string
|
||
*/
|
||
public function getSymbol($currency = null, $locale = null)
|
||
{
|
||
if (($currency === null) and ($locale === null)) {
|
||
return $this->_options['symbol'];
|
||
}
|
||
|
||
$params = self::_checkParams($currency, $locale);
|
||
|
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// Get the symbol
|
||
$symbol = Zend_Locale_Data::getContent($params['locale'], 'currencysymbol', $params['currency']);
|
||
if (empty($symbol) === true) {
|
||
$symbol = Zend_Locale_Data::getContent($params['locale'], 'currencysymbol', $params['name']);
|
||
}
|
||
|
||
if (empty($symbol) === true) {
|
||
return null;
|
||
}
|
||
|
||
return $symbol;
|
||
}
|
||
|
||
/**
|
||
* Returns the actual or details of other currency shortnames
|
||
*
|
||
* @param string $currency OPTIONAL Currency's name
|
||
* @param string|Zend_Locale $locale OPTIONAL The locale
|
||
* @return string
|
||
*/
|
||
public function getShortName($currency = null, $locale = null)
|
||
{
|
||
if (($currency === null) and ($locale === null)) {
|
||
return $this->_options['currency'];
|
||
}
|
||
|
||
$params = self::_checkParams($currency, $locale);
|
||
|
||
// Get the shortname
|
||
if (empty($params['currency']) === true) {
|
||
return $params['name'];
|
||
}
|
||
|
||
$list = Zend_Locale_Data::getContent($params['locale'], 'currencytoname', $params['currency']);
|
||
if (empty($list) === true) {
|
||
$list = Zend_Locale_Data::getContent($params['locale'], 'nametocurrency', $params['currency']);
|
||
if (empty($list) === false) {
|
||
$list = $params['currency'];
|
||
}
|
||
}
|
||
|
||
if (empty($list) === true) {
|
||
return null;
|
||
}
|
||
|
||
return $list;
|
||
}
|
||
|
||
/**
|
||
* Returns the actual or details of other currency names
|
||
*
|
||
* @param string $currency (Optional) Currency's short name
|
||
* @param string|Zend_Locale $locale (Optional) The locale
|
||
* @return string
|
||
*/
|
||
public function getName($currency = null, $locale = null)
|
||
{
|
||
if (($currency === null) and ($locale === null)) {
|
||
return $this->_options['name'];
|
||
}
|
||
|
||
$params = self::_checkParams($currency, $locale);
|
||
|
||
// Get the name
|
||
$name = Zend_Locale_Data::getContent($params['locale'], 'nametocurrency', $params['currency']);
|
||
if (empty($name) === true) {
|
||
$name = Zend_Locale_Data::getContent($params['locale'], 'nametocurrency', $params['name']);
|
||
}
|
||
|
||
if (empty($name) === true) {
|
||
return null;
|
||
}
|
||
|
||
return $name;
|
||
}
|
||
|
||
/**
|
||
* Returns a list of regions where this currency is or was known
|
||
*
|
||
* @param string $currency OPTIONAL Currency's short name
|
||
* @throws Zend_Currency_Exception When no currency was defined
|
||
* @return array List of regions
|
||
*/
|
||
public function getRegionList($currency = null)
|
||
{
|
||
if ($currency === null) {
|
||
$currency = $this->_options['currency'];
|
||
}
|
||
|
||
if (empty($currency) === true) {
|
||
require_once 'Zend/Currency/Exception.php';
|
||
throw new Zend_Currency_Exception('No currency defined');
|
||
}
|
||
|
||
$data = Zend_Locale_Data::getContent($this->_options['locale'], 'regiontocurrency', $currency);
|
||
|
||
$result = explode(' ', $data);
|
||
return $result;
|
||
}
|
||
|
||
/**
|
||
* Returns a list of currencies which are used in this region
|
||
* a region name should be 2 charachters only (f.e. EG, DE, US)
|
||
* If no region is given, the actual region is used
|
||
*
|
||
* @param string $region OPTIONAL Region to return the currencies for
|
||
* @return array List of currencies
|
||
*/
|
||
public function getCurrencyList($region = null)
|
||
{
|
||
if (empty($region) === true) {
|
||
if (strlen($this->_options['locale']) > 4) {
|
||
$region = substr($this->_options['locale'], (strpos($this->_options['locale'], '_') + 1));
|
||
}
|
||
}
|
||
|
||
$data = Zend_Locale_Data::getContent($this->_options['locale'], 'currencytoregion', $region);
|
||
|
||
$result = explode(' ', $data);
|
||
return $result;
|
||
}
|
||
|
||
/**
|
||
* Returns the actual currency name
|
||
*
|
||
* @return string
|
||
*/
|
||
public function toString()
|
||
{
|
||
return $this->toCurrency();
|
||
}
|
||
|
||
/**
|
||
* Returns the currency name
|
||
*
|
||
* @return string
|
||
*/
|
||
public function __toString()
|
||
{
|
||
return $this->toString();
|
||
}
|
||
|
||
/**
|
||
* Returns the set cache
|
||
*
|
||
* @return Zend_Cache_Core The set cache
|
||
*/
|
||
public static function getCache()
|
||
{
|
||
return Zend_Locale_Data::getCache();
|
||
}
|
||
|
||
/**
|
||
* Sets a cache for Zend_Currency
|
||
*
|
||
* @param Zend_Cache_Core $cache Cache to set
|
||
* @return void
|
||
*/
|
||
public static function setCache(Zend_Cache_Core $cache)
|
||
{
|
||
Zend_Locale_Data::setCache($cache);
|
||
}
|
||
|
||
/**
|
||
* Returns true when a cache is set
|
||
*
|
||
* @return boolean
|
||
*/
|
||
public static function hasCache()
|
||
{
|
||
return Zend_Locale_Data::hasCache();
|
||
}
|
||
|
||
/**
|
||
* Removes any set cache
|
||
*
|
||
* @return void
|
||
*/
|
||
public static function removeCache()
|
||
{
|
||
Zend_Locale_Data::removeCache();
|
||
}
|
||
|
||
/**
|
||
* Clears all set cache data
|
||
*
|
||
* @param string $tag Tag to clear when the default tag name is not used
|
||
* @return void
|
||
*/
|
||
public static function clearCache($tag = null)
|
||
{
|
||
Zend_Locale_Data::clearCache($tag);
|
||
}
|
||
|
||
/**
|
||
* Sets a new locale for data retreivement
|
||
* Example: 'de_XX' will be set to 'de' because 'de_XX' does not exist
|
||
* 'xx_YY' will be set to 'root' because 'xx' does not exist
|
||
*
|
||
* @param string|Zend_Locale $locale (Optional) Locale for parsing input
|
||
* @throws Zend_Currency_Exception When the given locale does not exist
|
||
* @return Zend_Currency Provides fluent interface
|
||
*/
|
||
public function setLocale($locale = null)
|
||
{
|
||
require_once 'Zend/Locale.php';
|
||
try {
|
||
$locale = Zend_Locale::findLocale($locale);
|
||
if (strlen($locale) > 4) {
|
||
$this->_options['locale'] = $locale;
|
||
} else {
|
||
require_once 'Zend/Currency/Exception.php';
|
||
throw new Zend_Currency_Exception("No region found within the locale '" . (string) $locale . "'");
|
||
}
|
||
} catch (Zend_Locale_Exception $e) {
|
||
require_once 'Zend/Currency/Exception.php';
|
||
throw new Zend_Currency_Exception($e->getMessage());
|
||
}
|
||
|
||
// Get currency details
|
||
$this->_options['currency'] = $this->getShortName(null, $this->_options['locale']);
|
||
$this->_options['name'] = $this->getName(null, $this->_options['locale']);
|
||
$this->_options['symbol'] = $this->getSymbol(null, $this->_options['locale']);
|
||
|
||
return $this;
|
||
}
|
||
|
||
/**
|
||
* Returns the actual set locale
|
||
*
|
||
* @return string
|
||
*/
|
||
public function getLocale()
|
||
{
|
||
return $this->_options['locale'];
|
||
}
|
||
|
||
/**
|
||
* Returns the value
|
||
*
|
||
* @return float
|
||
*/
|
||
public function getValue()
|
||
{
|
||
return $this->_options['value'];
|
||
}
|
||
|
||
/**
|
||
* Adds a currency
|
||
*
|
||
* @param float|integer|Zend_Currency $value Add this value to currency
|
||
* @param string|Zend_Currency $currency The currency to add
|
||
* @return Zend_Currency
|
||
*/
|
||
public function setValue($value, $currency = null)
|
||
{
|
||
$this->_options['value'] = $this->_exchangeCurrency($value, $currency);
|
||
return $this;
|
||
}
|
||
|
||
/**
|
||
* Adds a currency
|
||
*
|
||
* @param float|integer|Zend_Currency $value Add this value to currency
|
||
* @param string|Zend_Currency $currency The currency to add
|
||
* @return Zend_Currency
|
||
*/
|
||
public function add($value, $currency = null)
|
||
{
|
||
$value = $this->_exchangeCurrency($value, $currency);
|
||
$this->_options['value'] += (float) $value;
|
||
return $this;
|
||
}
|
||
|
||
/**
|
||
* Substracts a currency
|
||
*
|
||
* @param float|integer|Zend_Currency $value Substracts this value from currency
|
||
* @param string|Zend_Currency $currency The currency to substract
|
||
* @return Zend_Currency
|
||
*/
|
||
public function sub($value, $currency = null)
|
||
{
|
||
$value = $this->_exchangeCurrency($value, $currency);
|
||
$this->_options['value'] -= (float) $value;
|
||
return $this;
|
||
}
|
||
|
||
/**
|
||
* Divides a currency
|
||
*
|
||
* @param float|integer|Zend_Currency $value Divides this value from currency
|
||
* @param string|Zend_Currency $currency The currency to divide
|
||
* @return Zend_Currency
|
||
*/
|
||
public function div($value, $currency = null)
|
||
{
|
||
$value = $this->_exchangeCurrency($value, $currency);
|
||
$this->_options['value'] /= (float) $value;
|
||
return $this;
|
||
}
|
||
|
||
/**
|
||
* Multiplies a currency
|
||
*
|
||
* @param float|integer|Zend_Currency $value Multiplies this value from currency
|
||
* @param string|Zend_Currency $currency The currency to multiply
|
||
* @return Zend_Currency
|
||
*/
|
||
public function mul($value, $currency = null)
|
||
{
|
||
$value = $this->_exchangeCurrency($value, $currency);
|
||
$this->_options['value'] *= (float) $value;
|
||
return $this;
|
||
}
|
||
|
||
/**
|
||
* Calculates the modulo from a currency
|
||
*
|
||
* @param float|integer|Zend_Currency $value Calculate modulo from this value
|
||
* @param string|Zend_Currency $currency The currency to calculate the modulo
|
||
* @return Zend_Currency
|
||
*/
|
||
public function mod($value, $currency = null)
|
||
{
|
||
$value = $this->_exchangeCurrency($value, $currency);
|
||
$this->_options['value'] %= (float) $value;
|
||
return $this;
|
||
}
|
||
|
||
/**
|
||
* Compares two currencies
|
||
*
|
||
* @param float|integer|Zend_Currency $value Compares the currency with this value
|
||
* @param string|Zend_Currency $currency The currency to compare this value from
|
||
* @return Zend_Currency
|
||
*/
|
||
public function compare($value, $currency = null)
|
||
{
|
||
$value = $this->_exchangeCurrency($value, $currency);
|
||
$value = $this->_options['value'] - $value;
|
||
if ($value < 0) {
|
||
return -1;
|
||
} else if ($value > 0) {
|
||
return 1;
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
/**
|
||
* Returns true when the two currencies are equal
|
||
*
|
||
* @param float|integer|Zend_Currency $value Compares the currency with this value
|
||
* @param string|Zend_Currency $currency The currency to compare this value from
|
||
* @return boolean
|
||
*/
|
||
public function equals($value, $currency = null)
|
||
{
|
||
$value = $this->_exchangeCurrency($value, $currency);
|
||
if ($this->_options['value'] == $value) {
|
||
return true;
|
||
}
|
||
|
||
return false;
|
||
}
|
||
|
||
/**
|
||
* Returns true when the currency is more than the given value
|
||
*
|
||
* @param float|integer|Zend_Currency $value Compares the currency with this value
|
||
* @param string|Zend_Currency $currency The currency to compare this value from
|
||
* @return boolean
|
||
*/
|
||
public function isMore($value, $currency = null)
|
||
{
|
||
$value = $this->_exchangeCurrency($value, $currency);
|
||
if ($this->_options['value'] > $value) {
|
||
return true;
|
||
}
|
||
|
||
return false;
|
||
}
|
||
|
||
/**
|
||
* Returns true when the currency is less than the given value
|
||
*
|
||
* @param float|integer|Zend_Currency $value Compares the currency with this value
|
||
* @param string|Zend_Currency $currency The currency to compare this value from
|
||
* @return boolean
|
||
*/
|
||
public function isLess($value, $currency = null)
|
||
{
|
||
$value = $this->_exchangeCurrency($value, $currency);
|
||
if ($this->_options['value'] < $value) {
|
||
return true;
|
||
}
|
||
|
||
return false;
|
||
|
||
}
|
||
|
||
/**
|
||
* Internal method which calculates the exchanges currency
|
||
*
|
||
* @param float|integer|Zend_Currency $value Compares the currency with this value
|
||
* @param string|Zend_Currency $currency The currency to compare this value from
|
||
* @return unknown
|
||
*/
|
||
protected function _exchangeCurrency($value, $currency)
|
||
{
|
||
if ($value instanceof Zend_Currency) {
|
||
$currency = $value->getShortName();
|
||
$value = $value->getValue();
|
||
} else {
|
||
$currency = $this->getShortName($currency, $this->getLocale());
|
||
}
|
||
|
||
$rate = 1;
|
||
if ($currency !== $this->getShortName()) {
|
||
$service = $this->getService();
|
||
if (!($service instanceof Zend_Currency_CurrencyInterface)) {
|
||
require_once 'Zend/Currency/Exception.php';
|
||
throw new Zend_Currency_Exception('No exchange service applied');
|
||
}
|
||
|
||
$rate = $service->getRate($currency, $this->getShortName());
|
||
}
|
||
|
||
$value *= $rate;
|
||
return $value;
|
||
}
|
||
|
||
/**
|
||
* Returns the set service class
|
||
*
|
||
* @return Zend_Service
|
||
*/
|
||
public function getService()
|
||
{
|
||
return $this->_options['service'];
|
||
}
|
||
|
||
/**
|
||
* Sets a new exchange service
|
||
*
|
||
* @param string|Zend_Currency_CurrencyInterface $service Service class
|
||
* @return Zend_Currency
|
||
*/
|
||
public function setService($service)
|
||
{
|
||
if (is_string($service)) {
|
||
require_once 'Zend/Loader.php';
|
||
if (!class_exists($service)) {
|
||
$file = str_replace('_', DIRECTORY_SEPARATOR, $service) . '.php';
|
||
if (Zend_Loader::isReadable($file)) {
|
||
Zend_Loader::loadClass($service);
|
||
}
|
||
}
|
||
|
||
$service = new $service;
|
||
}
|
||
|
||
if (!($service instanceof Zend_Currency_CurrencyInterface)) {
|
||
require_once 'Zend/Currency/Exception.php';
|
||
throw new Zend_Currency_Exception('A currency service must implement Zend_Currency_CurrencyInterface');
|
||
}
|
||
|
||
$this->_options['service'] = $service;
|
||
return $this;
|
||
}
|
||
|
||
/**
|
||
* Internal method for checking the options array
|
||
*
|
||
* @param array $options Options to check
|
||
* @throws Zend_Currency_Exception On unknown position
|
||
* @throws Zend_Currency_Exception On unknown locale
|
||
* @throws Zend_Currency_Exception On unknown display
|
||
* @throws Zend_Currency_Exception On precision not between -1 and 30
|
||
* @throws Zend_Currency_Exception On problem with script conversion
|
||
* @throws Zend_Currency_Exception On unknown options
|
||
* @return array
|
||
*/
|
||
protected function _checkOptions(array $options = array())
|
||
{
|
||
if (count($options) === 0) {
|
||
return $this->_options;
|
||
}
|
||
|
||
foreach ($options as $name => $value) {
|
||
$name = strtolower($name);
|
||
if ($name !== 'format') {
|
||
if (gettype($value) === 'string') {
|
||
$value = strtolower($value);
|
||
}
|
||
}
|
||
|
||
switch($name) {
|
||
case 'position':
|
||
if (($value !== self::STANDARD) and ($value !== self::RIGHT) and ($value !== self::LEFT)) {
|
||
require_once 'Zend/Currency/Exception.php';
|
||
throw new Zend_Currency_Exception("Unknown position '" . $value . "'");
|
||
}
|
||
|
||
break;
|
||
|
||
case 'format':
|
||
if ((empty($value) === false) and (Zend_Locale::isLocale($value, null, false) === false)) {
|
||
if (!is_string($value) || (strpos($value, '0') === false)) {
|
||
require_once 'Zend/Currency/Exception.php';
|
||
throw new Zend_Currency_Exception("'" .
|
||
((gettype($value) === 'SS_Object') ? get_class($value) : $value)
|
||
. "' is no format token");
|
||
}
|
||
}
|
||
break;
|
||
|
||
case 'display':
|
||
if (is_numeric($value) and ($value !== self::NO_SYMBOL) and ($value !== self::USE_SYMBOL) and
|
||
($value !== self::USE_SHORTNAME) and ($value !== self::USE_NAME)) {
|
||
require_once 'Zend/Currency/Exception.php';
|
||
throw new Zend_Currency_Exception("Unknown display '$value'");
|
||
}
|
||
break;
|
||
|
||
case 'precision':
|
||
if ($value === null) {
|
||
$value = -1;
|
||
}
|
||
|
||
if (($value < -1) or ($value > 30)) {
|
||
require_once 'Zend/Currency/Exception.php';
|
||
throw new Zend_Currency_Exception("'$value' precision has to be between -1 and 30.");
|
||
}
|
||
break;
|
||
|
||
case 'script':
|
||
try {
|
||
Zend_Locale_Format::convertNumerals(0, $options['script']);
|
||
} catch (Zend_Locale_Exception $e) {
|
||
require_once 'Zend/Currency/Exception.php';
|
||
throw new Zend_Currency_Exception($e->getMessage());
|
||
}
|
||
break;
|
||
|
||
default:
|
||
break;
|
||
}
|
||
}
|
||
|
||
return $options;
|
||
}
|
||
}
|