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Name File: language.php

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<?php
/*
* 2007-2013 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/osl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
*  @author PrestaShop SA <contact@prestashop.com>
*  @copyright  2007-2013 PrestaShop SA
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

class InstallLanguage
{
	/**
	 * @var string Current language folder
	 */
	protected $path;

	/**
	 * @var string Current language iso
	 */
	protected $iso;

	/**
	 * @var array Cache list of installer translations for this language
	 */
	protected $data;

	protected $fixtures_data;

	/**
	 * @var array Cache list of informations in language.xml file
	 */
	protected $meta;

	/**
	 * @var array Cache list of countries for this language
	 */
	protected $countries;

	public function __construct($iso)
	{
		$this->path = _PS_INSTALL_LANGS_PATH_.$iso.'/';
		$this->iso = $iso;
	}

	/**
	 * Get iso for current language
	 *
	 * @return string
	 */
	public function getIso()
	{
		return $this->iso;
	}

	/**
	 * Get an information from language.xml file (E.g. $this->getMetaInformation('name'))
	 *
	 * @param string $key
	 * @return string
	 */
	public function getMetaInformation($key)
	{
		if (!is_array($this->meta))
		{
			$this->meta = array();
			$xml = simplexml_load_file($this->path.'language.xml');
			foreach ($xml->children() as $node)
				$this->meta[$node->getName()] = (string)$node;
		}

		return isset($this->meta[$key]) ? $this->meta[$key] : null;
	}

	public function getTranslation($key, $type = 'translations')
	{
		if (!is_array($this->data))
			$this->data = file_exists($this->path.'install.php') ? include($this->path.'install.php') : array();

		return isset($this->data[$type][$key]) ? $this->data[$type][$key] : null;
	}

	public function getCountries()
	{
		if (!is_array($this->countries))
		{
			$this->countries = array();
			if (file_exists($this->path.'data/country.xml'))
			{
				if ($xml = simplexml_load_file($this->path.'data/country.xml'))
					foreach ($xml->country as $country)
						$this->countries[strtolower((string)$country['id'])] = (string)$country->name;
			}
		}
		return $this->countries;
	}
}