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<?php
/**
* Copyright 2010-2017 Horde LLC (http://www.horde.org/)
*
* See the enclosed file LICENSE for license information (LGPL). If you
* did not receive this file, see http://www.horde.org/licenses/lgpl21.
*
* @category Horde
* @copyright 2010-2017 Horde LLC
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
* @package Translation
* @since 2.2.0
*/
/**
* The Horde_Translation_Autodetect auto detects the locale directory location
* for the class implementing it.
*
* @author Jan Schneider <jan@horde.org>
* @category Horde
* @copyright 2010-2017 Horde LLC
* @license http://www.horde.org/licenses/lgpl21 LGPL 2.1
* @package Translation
* @since 2.2.0
*/
abstract class Horde_Translation_Autodetect extends Horde_Translation
{
/**
* The absolute PEAR path to the translations for the default gettext handler.
*
* This value is automatically set by PEAR Replace Tasks.
*
* @var string
*/
protected static $_pearDirectory;
/**
* Auto detects the locale directory location.
*
* @param string $handlerClass The name of a class implementing the
* Horde_Translation_Handler interface.
*/
public static function loadHandler($handlerClass)
{
if (!static::$_domain) {
throw new Horde_Translation_Exception('The domain property must be set by the class that extends Horde_Translation_Autodetect.');
}
$directory = static::_searchLocaleDirectory();
if (!$directory) {
throw new Horde_Translation_Exception(sprintf('Could not found find any locale directory for %s domain.', static::$_domain));
}
static::$_directory = $directory;
parent::loadHandler($handlerClass);
}
/**
* Search for the locale directory for different installations methods (eg: PEAR, Composer).
*
* @var boolean|string The directory if found, or false when no valid directory is found
*/
protected static function _searchLocaleDirectory()
{
if (static::$_pearDirectory !== '@data_dir@') {
$directory = static::$_pearDirectory . '/' . static::$_domain . '/locale';
if (is_dir($directory)) {
return $directory;
}
}
$directories = static::_getSearchDirectories();
foreach ($directories as $directory) {
if (is_dir($directory)) {
return $directory;
}
}
return false;
}
/**
* Get potential locations for the locale directory.
*
* @var array List of directories
*/
protected static function _getSearchDirectories()
{
$className = get_called_class();
$class = new ReflectionClass($className);
$basedir = dirname($class->getFilename());
$depth = substr_count($className, '\\')
?: substr_count($className, '_');
return array(
/* Composer */
$basedir . str_repeat('/..', $depth) . '/data/locale',
/* Source */
$basedir . str_repeat('/..', $depth + 1) . '/locale'
);
}
}