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413 lines
12 KiB
PHP
413 lines
12 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_Measure
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* @copyright Copyright (c) 2005-2009 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: Abstract.php 16220 2009-06-21 19:49:21Z thomas $
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*/
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/**
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* @see Zend_Locale
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*/
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require_once 'Zend/Locale.php';
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/**
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* @see Zend_Locale_Math
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*/
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require_once 'Zend/Locale/Math.php';
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/**
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* @see Zend_Locale_Format
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*/
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require_once 'Zend/Locale/Format.php';
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/**
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* Abstract class for all measurements
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*
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* @category Zend
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* @package Zend_Measure
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* @subpackage Zend_Measure_Abstract
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* @copyright Copyright (c) 2005-2009 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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abstract class Zend_Measure_Abstract
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{
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/**
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* Plain value in standard unit
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*
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* @var string $_value
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*/
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protected $_value;
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/**
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* Original type for this unit
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*
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* @var string $_type
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*/
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protected $_type;
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/**
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* Locale identifier
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*
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* @var string $_locale
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*/
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protected $_locale = null;
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/**
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* Unit types for this measurement
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*/
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protected $_units = array();
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/**
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* Zend_Measure_Abstract is an abstract class for the different measurement types
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*
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* @param $value mixed - Value as string, integer, real or float
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* @param $type type - OPTIONAL a Zend_Measure_Area Type
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* @param $locale locale - OPTIONAL a Zend_Locale Type
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* @throws Zend_Measure_Exception
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*/
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public function __construct($value, $type = null, $locale = null)
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{
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if (($type !== null) and (Zend_Locale::isLocale($type, null, false))) {
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$locale = $type;
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$type = null;
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}
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$this->setLocale($locale);
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if ($type === null) {
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$type = $this->_units['STANDARD'];
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}
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if (isset($this->_units[$type]) === false) {
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require_once 'Zend/Measure/Exception.php';
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throw new Zend_Measure_Exception("Type ($type) is unknown");
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}
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$this->setValue($value, $type, $this->_locale);
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}
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/**
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* Returns the actual set locale
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*
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* @return string
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*/
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public function getLocale()
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{
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return $this->_locale;
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}
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/**
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* Sets a new locale for the value representation
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*
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* @param string|Zend_Locale $locale (Optional) New locale to set
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* @param boolean $check False, check but don't set; True, set the new locale
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* @return Zend_Measure_Abstract
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*/
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public function setLocale($locale = null, $check = false)
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{
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if (empty($locale)) {
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require_once 'Zend/Registry.php';
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if (Zend_Registry::isRegistered('Zend_Locale') === true) {
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$locale = Zend_Registry::get('Zend_Locale');
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}
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}
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if ($locale === null) {
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$locale = new Zend_Locale();
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}
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if (!Zend_Locale::isLocale($locale, true, false)) {
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if (!Zend_Locale::isLocale($locale, false, false)) {
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require_once 'Zend/Measure/Exception.php';
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throw new Zend_Measure_Exception("Language (" . (string) $locale . ") is unknown");
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}
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$locale = new Zend_Locale($locale);
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}
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if (!$check) {
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$this->_locale = (string) $locale;
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}
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return $this;
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}
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/**
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* Returns the internal value
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*
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* @param integer $round (Optional) Rounds the value to an given precision,
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* Default is -1 which returns without rounding
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* @param string|Zend_Locale $locale (Optional) Locale for number representation
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*/
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public function getValue($round = -1, $locale = null)
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{
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if ($round < 0) {
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$return = $this->_value;
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} else {
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$return = Zend_Locale_Math::round($this->_value, $round);
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}
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if ($locale !== null) {
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$this->setLocale($locale, true);
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return Zend_Locale_Format::toNumber($return, array('locale' => $locale));
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}
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return $return;
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}
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/**
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* Set a new value
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*
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* @param integer|string $value Value as string, integer, real or float
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* @param string $type OPTIONAL A Zend_Measure_Acceleration Type
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* @param string|Zend_Locale $locale OPTIONAL Locale for parsing numbers
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* @throws Zend_Measure_Exception
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*/
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public function setValue($value, $type = null, $locale = null)
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{
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if (($type !== null) and (Zend_Locale::isLocale($type, null, false))) {
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$locale = $type;
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$type = null;
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}
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if ($locale === null) {
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$locale = $this->_locale;
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}
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$this->setLocale($locale, true);
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if ($type === null) {
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$type = $this->_units['STANDARD'];
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}
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if (empty($this->_units[$type])) {
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require_once 'Zend/Measure/Exception.php';
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throw new Zend_Measure_Exception("Type ($type) is unknown");
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}
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try {
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$value = Zend_Locale_Format::getNumber($value, array('locale' => $locale));
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} catch(Exception $e) {
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require_once 'Zend/Measure/Exception.php';
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throw new Zend_Measure_Exception($e->getMessage());
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}
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$this->_value = $value;
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$this->setType($type);
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return $this;
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}
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/**
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* Returns the original type
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*
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* @return type
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*/
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public function getType()
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{
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return $this->_type;
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}
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/**
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* Set a new type, and convert the value
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*
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* @param string $type New type to set
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* @throws Zend_Measure_Exception
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*/
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public function setType($type)
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{
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if (empty($this->_units[$type])) {
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require_once 'Zend/Measure/Exception.php';
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throw new Zend_Measure_Exception("Type ($type) is unknown");
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}
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if (empty($this->_type)) {
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$this->_type = $type;
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} else {
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// Convert to standard value
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$value = $this->_value;
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$prec = 0;
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if (strpos($this->_value, '.') !== false) {
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$prec = strlen(substr($this->_value, strpos($this->_value, '.') + 1));
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}
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if (is_array($this->_units[$this->getType()][0])) {
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foreach ($this->_units[$this->getType()][0] as $key => $found) {
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switch ($key) {
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case "/":
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if ($found != 0) {
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$value = @call_user_func(Zend_Locale_Math::$div, $value, $found, 25);
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}
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break;
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case "+":
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$value = call_user_func(Zend_Locale_Math::$add, $value, $found, 25);
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break;
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case "-":
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$value = call_user_func(Zend_Locale_Math::$sub, $value, $found, 25);
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break;
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default:
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$value = call_user_func(Zend_Locale_Math::$mul, $value, $found, 25);
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break;
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}
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}
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} else {
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$value = call_user_func(Zend_Locale_Math::$mul, $value, $this->_units[$this->getType()][0], 25);
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}
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// Convert to expected value
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if (is_array($this->_units[$type][0])) {
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foreach (array_reverse($this->_units[$type][0]) as $key => $found) {
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switch ($key) {
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case "/":
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$value = call_user_func(Zend_Locale_Math::$mul, $value, $found, 25);
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break;
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case "+":
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$value = call_user_func(Zend_Locale_Math::$sub, $value, $found, 25);
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break;
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case "-":
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$value = call_user_func(Zend_Locale_Math::$add, $value, $found, 25);
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break;
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default:
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if ($found != 0) {
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$value = @call_user_func(Zend_Locale_Math::$div, $value, $found, 25);
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}
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break;
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}
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}
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} else {
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$value = @call_user_func(Zend_Locale_Math::$div, $value, $this->_units[$type][0], 25);
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}
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$this->_value = Zend_Locale_Math::round($value, $prec);
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$this->_type = $type;
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}
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return $this;
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}
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/**
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* Compare if the value and type is equal
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*
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* @param Zend_Measure_Detailtype $object object to compare
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* @return boolean
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*/
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public function equals($object)
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{
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if ((string) $object == $this->toString()) {
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return true;
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}
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return false;
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}
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/**
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* Returns a string representation
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*
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* @param integer $round (Optional) Runds the value to an given exception
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* @param string|Zend_Locale $locale (Optional) Locale to set for the number
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* @return string
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*/
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public function toString($round = -1, $locale = null)
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{
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if ($locale === null) {
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$locale = $this->_locale;
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}
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return $this->getValue($round, $locale) . ' ' . $this->_units[$this->getType()][1];
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}
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/**
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* Returns a string representation
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*
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* @return string
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*/
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public function __toString()
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{
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return $this->toString();
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}
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/**
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* Returns the conversion list
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*
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* @return array
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*/
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public function getConversionList()
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{
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return $this->_units;
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}
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/**
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* Alias function for setType returning the converted unit
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*
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* @param string $type Constant Type
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* @param integer $round (Optional) Rounds the value to a given precision
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* @param string|Zend_Locale $locale (Optional) Locale to set for the number
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* @return string
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*/
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public function convertTo($type, $round = 2, $locale = null)
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{
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$this->setType($type);
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return $this->toString($round, $locale);
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}
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/**
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* Adds an unit to another one
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*
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* @param $object object of same unit type
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* @return Zend_Measure object
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*/
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public function add($object)
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{
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$object->setType($this->getType());
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$value = $this->getValue(-1) + $object->getValue(-1);
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$this->setValue($value, $this->getType(), $this->_locale);
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return $this;
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}
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/**
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* Substracts an unit from another one
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*
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* @param $object object of same unit type
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* @return Zend_Measure object
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*/
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public function sub($object)
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{
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$object->setType($this->getType());
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$value = $this->getValue(-1) - $object->getValue(-1);
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$this->setValue($value, $this->getType(), $this->_locale);
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return $this;
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}
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/**
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* Compares two units
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*
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* @param $object object of same unit type
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* @return boolean
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*/
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public function compare($object)
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{
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$object->setType($this->getType());
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$value = $this->getValue(-1) - $object->getValue(-1);
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if ($value < 0) {
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return -1;
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} else if ($value > 0) {
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return 1;
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}
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return 0;
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}
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}
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