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<?php
/**
* TGlobalization class file.
*
* @author Wei Zhuo<weizhuo[at]gmail[dot]com>
* @link http://www.pradosoft.com/
* @copyright Copyright © 2005 PradoSoft
* @license http://www.pradosoft.com/license/
* @version $Revision: $ $Date: $
* @package System.I18N
*/
/**
* TGlobalization contains settings for Culture, Charset
* and TranslationConfiguration.
*
* TGlobalization can be subclassed to change how the Culture, Charset
* are determined. See TGlobalizationAutoDetect for example of
* setting the Culture based on browser settings.
*
* @author Wei Zhuo<weizhuo[at]gmail[dot]com>
* @version $Revision: 1.66 $ $Date: ${DATE} ${TIME} $
* @package System.I18N
* @since 3.0
*/
class TGlobalization extends TModule
{
/**
* Default character set is 'UTF-8'.
* @var string
*/
private $_defaultCharset = 'UTF-8';
/**
* Default culture is 'en'.
* @var string
*/
private $_defaultCulture = 'en';
/**
* Translation source parameters.
* @var TMap
*/
private $_translation;
/**
* The current charset.
* @var string
*/
protected $_charset='UTF-8';
/**
* The current culture.
* @var string
*/
protected $_culture='en';
/**
* Initialize the Culture and Charset for this application.
* You should override this method if you want a different way of
* setting the Culture and/or Charset for your application.
* If you override this method, call parent::init($xml) first.
* @param TXmlElement application configuration
*/
public function init($xml)
{
$this->_defaultCharset = $this->getCharset();
$this->_defaultCulture = $this->getCulture();
$config = $xml->getElementByTagName('translation')->getAttributes();
$this->setTranslationConfiguration($config);
$this->getApplication()->setGlobalization($this);
}
/**
* @return string current application culture
*/
public function getCulture()
{
return $this->_culture;
}
/**
* @param string culture, e.g. <tt>en_US</tt> for American English
*/
public function setCulture($culture)
{
$this->_culture = str_replace('-','_',$culture);
}
/**
* @return string localization charset
*/
public function getCharset()
{
return $this->_charset;
}
/**
* @param string localization charset, e.g. <tt>UTF-8</tt>
*/
public function setCharset($charset)
{
$this->_charset = $charset;
}
/**
* @return TMap translation source configuration.
*/
public function getTranslationConfiguration()
{
return $this->_translation;
}
/**
* Sets the translation configuration. Example configuration:
* <code>
* $config['type'] = 'XLIFF'; //XLIFF, gettext, mysql or sqlite
* $config['source'] = 'Path.to.directory'; //or database connection string
* $config['catalogue'] = 'messages'; //default catalog
* $config['autosave'] = 'true'; //save untranslated message
* $config['cache'] = 'true'; //cache translated message
* </code>
* Throws exception is source is not found.
* @param TMap configuration options
* @return ${return}
*/
protected function setTranslationConfiguration(TMap $config)
{
if($config['type'] == 'XLIFF' || $config['type'] == 'gettext')
{
$config['source'] = Prado::getPathOfNamespace($config['source']);
if(!is_dir($config['source']))
throw new TException("invalid source dir '{$config['source']}'");
}
if($config['cache'])
$config['cache'] = $this->getApplication()->getRunTimePath().'/i18n';
$this->_translation = $config;
}
/**
* @return string current translation catalogue.
*/
public function getTranslationCatalogue()
{
return $this->_translation['catalogue'];
}
/**
* @param string update the translation catalogue.
*/
public function setTranslationCatalogue($value)
{
return $this->_translation['catalogue'] = $value;
}
/**
* @return string default charset set in application.xml
*/
public function getDefaultCharset()
{
return $this->_defaultCharset;
}
/**
* @return string default culture set in application.xml
*/
public function getDefaultCulture()
{
return $this->_defaultCulture;
}
/**
* Gets all the variants of a specific culture. If the parameter
* $culture is null, the current culture is used.
* @param string $culture the Culture string
* @return array variants of the culture.
*/
public function getCultureVariants($culture=null)
{
if(is_null($culture)) $culture = $this->getCulture();
$variants = explode('_', $culture);
$result = array();
for(; count($variants) > 0; array_pop($variants))
$result[] = implode('_', $variants);
return $result;
}
/**
* Returns a list of possible localized files. Example
* <code>
* $files = $app->getLocalizedResource("path/to/Home.page","en_US");
* </code>
* will return
* <pre>
* array
* 0 => 'path/to/en_US/Home.page'
* 1 => 'path/to/en/Home.page'
* 2 => 'path/to/Home.en_US.page'
* 3 => 'path/to/Home.en.page'
* 4 => 'path/to/Home.page'
* </pre>
* Note that you still need to verify the existance of these files.
* @param string filename
* @param string culture string, null to use current culture
* @return array list of possible localized resource files.
*/
public function getLocalizedResource($file,$culture=null)
{
$files = array();
$variants = $this->getCultureVariants($culture);
$path = pathinfo($file);
foreach($variants as $variant)
$files[] = $path['dirname'].'/'.$variant.'/'.$path['basename'];
$filename = substr($path['basename'],0,strrpos($path['basename'],'.'));
foreach($variants as $variant)
$files[] = $path['dirname'].'/'.$filename.'.'.$variant.'.'.$path['extension'];
$files[] = $file;
return $files;
}
}
?>
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