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File: language.php.tar
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/**
 * @package     Joomla.Platform
 * @subpackage  Installer
 *
 * @copyright   Copyright (C) 2005 - 2014 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

defined('JPATH_PLATFORM') or die;

jimport('joomla.base.adapterinstance');

/**
 * Language installer
 *
 * @package     Joomla.Platform
 * @subpackage  Installer
 * @since       11.1
 */
class JInstallerLanguage extends JAdapterInstance
{
	/**
	 * Core language pack flag
	 *
	 * @var    boolean
	 * @since  11.1
	 */
	protected $_core = false;

	/**
	 * Custom install method
	 *
	 * Note: This behaves badly due to hacks made in the middle of 1.5.x to add
	 * the ability to install multiple distinct packs in one install. The
	 * preferred method is to use a package to install multiple language packs.
	 *
	 * @return  boolean  True on success
	 *
	 * @since   11.1
	 */
	public function install()
	{
		$source = $this->parent->getPath('source');
		if (!$source)
		{
			$this->parent
				->setPath(
				'source',
				($this->parent->extension->client_id ? JPATH_ADMINISTRATOR : JPATH_SITE) . '/language/' . $this->parent->extension->element
			);
		}
		$this->manifest = $this->parent->getManifest();
		$root = $this->manifest->document;

		// Get the client application target
		if ((string) $this->manifest->attributes()->client == 'both')
		{
			JError::raiseWarning(42, JText::_('JLIB_INSTALLER_ERROR_DEPRECATED_FORMAT'));
			$element = $this->manifest->site->files;
			if (!$this->_install('site', JPATH_SITE, 0, $element))
			{
				return false;
			}

			$element = $this->manifest->administration->files;
			if (!$this->_install('administrator', JPATH_ADMINISTRATOR, 1, $element))
			{
				return false;
			}
			// This causes an issue because we have two eid's, *sigh* nasty hacks!
			return true;
		}
		elseif ($cname = (string) $this->manifest->attributes()->client)
		{
			// Attempt to map the client to a base path
			$client = JApplicationHelper::getClientInfo($cname, true);
			if ($client === null)
			{
				$this->parent->abort(JText::sprintf('JLIB_INSTALLER_ABORT', JText::sprintf('JLIB_INSTALLER_ERROR_UNKNOWN_CLIENT_TYPE', $cname)));
				return false;
			}
			$basePath = $client->path;
			$clientId = $client->id;
			$element = $this->manifest->files;

			return $this->_install($cname, $basePath, $clientId, $element);
		}
		else
		{
			// No client attribute was found so we assume the site as the client
			$cname = 'site';
			$basePath = JPATH_SITE;
			$clientId = 0;
			$element = $this->manifest->files;

			return $this->_install($cname, $basePath, $clientId, $element);
		}
	}

	/**
	 * Install function that is designed to handle individual clients
	 *
	 * @param   string   $cname     Cname @todo: not used
	 * @param   string   $basePath  The base name.
	 * @param   integer  $clientId  The client id.
	 * @param   object   &$element  The XML element.
	 *
	 * @return  boolean
	 *
	 * @since  11.1
	 */
	protected function _install($cname, $basePath, $clientId, &$element)
	{
		$this->manifest = $this->parent->getManifest();

		// Get the language name
		// Set the extensions name
		$name = JFilterInput::getInstance()->clean((string) $this->manifest->name, 'cmd');
		$this->set('name', $name);

		// Get the Language tag [ISO tag, eg. en-GB]
		$tag = (string) $this->manifest->tag;

		// Check if we found the tag - if we didn't, we may be trying to install from an older language package
		if (!$tag)
		{
			$this->parent->abort(JText::sprintf('JLIB_INSTALLER_ABORT', JText::_('JLIB_INSTALLER_ERROR_NO_LANGUAGE_TAG')));
			return false;
		}

		$this->set('tag', $tag);

		// Set the language installation path
		$this->parent->setPath('extension_site', $basePath . '/language/' . $tag);

		// Do we have a meta file in the file list?  In other words... is this a core language pack?
		if ($element && count($element->children()))
		{
			$files = $element->children();
			foreach ($files as $file)
			{
				if ((string) $file->attributes()->file == 'meta')
				{
					$this->_core = true;
					break;
				}
			}
		}

		// Either we are installing a core pack or a core pack must exist for the language we are installing.
		if (!$this->_core)
		{
			if (!JFile::exists($this->parent->getPath('extension_site') . '/' . $this->get('tag') . '.xml'))
			{
				$this->parent
					->abort(JText::sprintf('JLIB_INSTALLER_ABORT', JText::sprintf('JLIB_INSTALLER_ERROR_NO_CORE_LANGUAGE', $this->get('tag'))));
				return false;
			}
		}

		// If the language directory does not exist, let's create it
		$created = false;
		if (!file_exists($this->parent->getPath('extension_site')))
		{
			if (!$created = JFolder::create($this->parent->getPath('extension_site')))
			{
				$this->parent
					->abort(
					JText::sprintf(
						'JLIB_INSTALLER_ABORT',
						JText::sprintf('JLIB_INSTALLER_ERROR_CREATE_FOLDER_FAILED', $this->parent->getPath('extension_site'))
					)
				);
				return false;
			}
		}
		else
		{
			// Look for an update function or update tag
			$updateElement = $this->manifest->update;
			// Upgrade manually set or
			// Update function available or
			// Update tag detected
			if ($this->parent->isUpgrade() || ($this->parent->manifestClass && method_exists($this->parent->manifestClass, 'update'))
				|| $updateElement)
			{
				return $this->update(); // transfer control to the update function
			}
			elseif (!$this->parent->isOverwrite())
			{
				// Overwrite is set
				// We didn't have overwrite set, find an update function or find an update tag so lets call it safe
				if (file_exists($this->parent->getPath('extension_site')))
				{
					// If the site exists say so.
					JError::raiseWarning(
						1,
						JText::sprintf(
							'JLIB_INSTALLER_ABORT',
							JText::sprintf('JLIB_INSTALLER_ERROR_FOLDER_IN_USE', $this->parent->getPath('extension_site'))
						)
					);
				}
				else
				{
					// If the admin exists say so.
					JError::raiseWarning(
						1,
						JText::sprintf(
							'JLIB_INSTALLER_ABORT',
							JText::sprintf('JLIB_INSTALLER_ERROR_FOLDER_IN_USE', $this->parent->getPath('extension_administrator'))
						)
					);
				}
				return false;
			}
		}

		/*
		 * If we created the language directory we will want to remove it if we
		 * have to roll back the installation, so let's add it to the installation
		 * step stack
		 */
		if ($created)
		{
			$this->parent->pushStep(array('type' => 'folder', 'path' => $this->parent->getPath('extension_site')));
		}

		// Copy all the necessary files
		if ($this->parent->parseFiles($element) === false)
		{
			// Install failed, rollback changes
			$this->parent->abort();
			return false;
		}

		// Parse optional tags
		$this->parent->parseMedia($this->manifest->media);

		// Copy all the necessary font files to the common pdf_fonts directory
		$this->parent->setPath('extension_site', $basePath . '/language/pdf_fonts');
		$overwrite = $this->parent->setOverwrite(true);
		if ($this->parent->parseFiles($this->manifest->fonts) === false)
		{
			// Install failed, rollback changes
			$this->parent->abort();
			return false;
		}
		$this->parent->setOverwrite($overwrite);

		// Get the language description
		$description = (string) $this->manifest->description;
		if ($description)
		{
			$this->parent->set('message', JText::_($description));
		}
		else
		{
			$this->parent->set('message', '');
		}

		// Add an entry to the extension table with a whole heap of defaults
		$row = JTable::getInstance('extension');
		$row->set('name', $this->get('name'));
		$row->set('type', 'language');
		$row->set('element', $this->get('tag'));
		// There is no folder for languages
		$row->set('folder', '');
		$row->set('enabled', 1);
		$row->set('protected', 0);
		$row->set('access', 0);
		$row->set('client_id', $clientId);
		$row->set('params', $this->parent->getParams());
		$row->set('manifest_cache', $this->parent->generateManifestCache());

		if (!$row->store())
		{
			// Install failed, roll back changes
			$this->parent->abort(JText::sprintf('JLIB_INSTALLER_ABORT', $row->getError()));
			return false;
		}

		// Clobber any possible pending updates
		$update = JTable::getInstance('update');
		$uid = $update->find(array('element' => $this->get('tag'), 'type' => 'language', 'client_id' => '', 'folder' => ''));
		if ($uid)
		{
			$update->delete($uid);
		}

		return $row->get('extension_id');
	}

	/**
	 * Custom update method
	 *
	 * @return  boolean  True on success, false on failure
	 *
	 * @since   11.1
	 */
	public function update()
	{
		$xml = $this->parent->getManifest();

		$this->manifest = $xml;

		$cname = $xml->attributes()->client;

		// Attempt to map the client to a base path
		$client = JApplicationHelper::getClientInfo($cname, true);
		if ($client === null || (empty($cname) && $cname !== 0))
		{
			$this->parent->abort(JText::sprintf('JLIB_INSTALLER_ABORT', JText::sprintf('JLIB_INSTALLER_ERROR_UNKNOWN_CLIENT_TYPE', $cname)));
			return false;
		}
		$basePath = $client->path;
		$clientId = $client->id;

		// Get the language name
		// Set the extensions name
		$name = (string) $this->manifest->name;
		$name = JFilterInput::getInstance()->clean($name, 'cmd');
		$this->set('name', $name);

		// Get the Language tag [ISO tag, eg. en-GB]
		$tag = (string) $xml->tag;

		// Check if we found the tag - if we didn't, we may be trying to install from an older language package
		if (!$tag)
		{
			$this->parent->abort(JText::sprintf('JLIB_INSTALLER_ABORT', JText::_('JLIB_INSTALLER_ERROR_NO_LANGUAGE_TAG')));
			return false;
		}

		$this->set('tag', $tag);
		$folder = $tag;

		// Set the language installation path
		$this->parent->setPath('extension_site', $basePath . '/language/' . $this->get('tag'));

		// Do we have a meta file in the file list?  In other words... is this a core language pack?
		if (count($xml->files->children()))
		{
			foreach ($xml->files->children() as $file)
			{
				if ((string) $file->attributes()->file == 'meta')
				{
					$this->_core = true;
					break;
				}
			}
		}

		// Either we are installing a core pack or a core pack must exist for the language we are installing.
		if (!$this->_core)
		{
			if (!JFile::exists($this->parent->getPath('extension_site') . '/' . $this->get('tag') . '.xml'))
			{
				$this->parent
					->abort(JText::sprintf('JLIB_INSTALLER_ABORT', JText::sprintf('JLIB_INSTALLER_ERROR_NO_CORE_LANGUAGE', $this->get('tag'))));
				return false;
			}
		}

		// Copy all the necessary files
		if ($this->parent->parseFiles($xml->files) === false)
		{
			// Install failed, rollback changes
			$this->parent->abort();
			return false;
		}

		// Parse optional tags
		$this->parent->parseMedia($xml->media);

		// Copy all the necessary font files to the common pdf_fonts directory
		$this->parent->setPath('extension_site', $basePath . '/language/pdf_fonts');
		$overwrite = $this->parent->setOverwrite(true);
		if ($this->parent->parseFiles($xml->fonts) === false)
		{
			// Install failed, rollback changes
			$this->parent->abort();
			return false;
		}
		$this->parent->setOverwrite($overwrite);

		// Get the language description and set it as message
		$this->parent->set('message', (string) $xml->description);

		// Finalization and Cleanup Section

		// Clobber any possible pending updates
		$update = JTable::getInstance('update');
		$uid = $update->find(array('element' => $this->get('tag'), 'type' => 'language', 'client_id' => $clientId));
		if ($uid)
		{
			$update->delete($uid);
		}

		// Update an entry to the extension table
		$row = JTable::getInstance('extension');
		$eid = $row->find(array('element' => strtolower($this->get('tag')), 'type' => 'language', 'client_id' => $clientId));
		if ($eid)
		{
			$row->load($eid);
		}
		else
		{
			// set the defaults
			$row->set('folder', ''); // There is no folder for language
			$row->set('enabled', 1);
			$row->set('protected', 0);
			$row->set('access', 0);
			$row->set('client_id', $clientId);
			$row->set('params', $this->parent->getParams());
		}
		$row->set('name', $this->get('name'));
		$row->set('type', 'language');
		$row->set('element', $this->get('tag'));
		$row->set('manifest_cache', $this->parent->generateManifestCache());

		if (!$row->store())
		{
			// Install failed, roll back changes
			$this->parent->abort(JText::sprintf('JLIB_INSTALLER_ABORT', $row->getError()));
			return false;
		}

		// And now we run the postflight
		ob_start();
		ob_implicit_flush(false);
		if ($this->parent->manifestClass && method_exists($this->parent->manifestClass, 'postflight'))
		{
			$this->parent->manifestClass->postflight('update', $this);
		}
		$msg = ob_get_contents(); // append messages
		ob_end_clean();
		if ($msg != '')
		{
			$this->parent->set('extension_message', $msg);
		}

		return $row->get('extension_id');
	}

	/**
	 * Custom uninstall method
	 *
	 * @param   string  $eid  The tag of the language to uninstall
	 *
	 * @return  mixed  Return value for uninstall method in component uninstall file
	 *
	 * @since   11.1
	 */
	public function uninstall($eid)
	{
		// Load up the extension details
		$extension = JTable::getInstance('extension');
		$extension->load($eid);
		// Grab a copy of the client details
		$client = JApplicationHelper::getClientInfo($extension->get('client_id'));

		// Check the element isn't blank to prevent nuking the languages directory...just in case
		$element = $extension->get('element');
		if (empty($element))
		{
			JError::raiseWarning(100, JText::_('JLIB_INSTALLER_ERROR_LANG_UNINSTALL_ELEMENT_EMPTY'));
			return false;
		}

		// Check that the language is not protected, Normally en-GB.
		$protected = $extension->get('protected');
		if ($protected == 1)
		{
			JError::raiseWarning(100, JText::_('JLIB_INSTALLER_ERROR_LANG_UNINSTALL_PROTECTED'));
			return false;
		}

		// Verify that it's not the default language for that client
		$params = JComponentHelper::getParams('com_languages');
		if ($params->get($client->name) == $element)
		{
			JError::raiseWarning(100, JText::_('JLIB_INSTALLER_ERROR_LANG_UNINSTALL_DEFAULT'));
			return false;
		}

		// Construct the path from the client, the language and the extension element name
		$path = $client->path . '/language/' . $element;

		// Get the package manifest object and remove media
		$this->parent->setPath('source', $path);
		// We do findManifest to avoid problem when uninstalling a list of extension: getManifest cache its manifest file
		$this->parent->findManifest();
		$this->manifest = $this->parent->getManifest();
		$this->parent->removeFiles($this->manifest->media);

		// Check it exists
		if (!JFolder::exists($path))
		{
			// If the folder doesn't exist lets just nuke the row as well and presume the user killed it for us
			$extension->delete();
			JError::raiseWarning(100, JText::_('JLIB_INSTALLER_ERROR_LANG_UNINSTALL_PATH_EMPTY'));
			return false;
		}

		if (!JFolder::delete($path))
		{
			// If deleting failed we'll leave the extension entry in tact just in case
			JError::raiseWarning(100, JText::_('JLIB_INSTALLER_ERROR_LANG_UNINSTALL_DIRECTORY'));
			return false;
		}

		// Remove the extension table entry
		$extension->delete();

		// Setting the language of users which have this language as the default language
		$db = JFactory::getDbo();
		$query = $db->getQuery(true);
		$query->from('#__users');
		$query->select('*');
		$db->setQuery($query);
		$users = $db->loadObjectList();
		if ($client->name == 'administrator')
		{
			$param_name = 'admin_language';
		}
		else
		{
			$param_name = 'language';
		}

		$count = 0;
		foreach ($users as $user)
		{
			$registry = new JRegistry;
			$registry->loadString($user->params);
			if ($registry->get($param_name) == $element)
			{
				$registry->set($param_name, '');
				$query = $db->getQuery(true);
				$query->update('#__users');
				$query->set('params=' . $db->quote($registry));
				$query->where('id=' . (int) $user->id);
				$db->setQuery($query);
				$db->execute();
				$count = $count + 1;
			}
		}
		if (!empty($count))
		{
			JError::raiseNotice(500, JText::plural('JLIB_INSTALLER_NOTICE_LANG_RESET_USERS', $count));
		}

		// All done!
		return true;
	}

	/**
	 * Custom discover method
	 * Finds language files
	 *
	 * @return  boolean  True on success
	 *
	 * @since  11.1
	 */
	public function discover()
	{
		$results = array();
		$site_languages = JFolder::folders(JPATH_SITE . '/language');
		$admin_languages = JFolder::folders(JPATH_ADMINISTRATOR . '/language');
		foreach ($site_languages as $language)
		{
			if (file_exists(JPATH_SITE . '/language/' . $language . '/' . $language . '.xml'))
			{
				$manifest_details = JApplicationHelper::parseXMLInstallFile(JPATH_SITE . '/language/' . $language . '/' . $language . '.xml');
				$extension = JTable::getInstance('extension');
				$extension->set('type', 'language');
				$extension->set('client_id', 0);
				$extension->set('element', $language);
				$extension->set('name', $language);
				$extension->set('state', -1);
				$extension->set('manifest_cache', json_encode($manifest_details));
				$results[] = $extension;
			}
		}
		foreach ($admin_languages as $language)
		{
			if (file_exists(JPATH_ADMINISTRATOR . '/language/' . $language . '/' . $language . '.xml'))
			{
				$manifest_details = JApplicationHelper::parseXMLInstallFile(JPATH_ADMINISTRATOR . '/language/' . $language . '/' . $language . '.xml');
				$extension = JTable::getInstance('extension');
				$extension->set('type', 'language');
				$extension->set('client_id', 1);
				$extension->set('element', $language);
				$extension->set('name', $language);
				$extension->set('state', -1);
				$extension->set('manifest_cache', json_encode($manifest_details));
				$results[] = $extension;
			}
		}
		return $results;
	}

	/**
	 * Custom discover install method
	 * Basically updates the manifest cache and leaves everything alone
	 *
	 * @return  integer  The extension id
	 *
	 * @since   11.1
	 */
	public function discover_install()
	{
		// Need to find to find where the XML file is since we don't store this normally
		$client = JApplicationHelper::getClientInfo($this->parent->extension->client_id);
		$short_element = $this->parent->extension->element;
		$manifestPath = $client->path . '/language/' . $short_element . '/' . $short_element . '.xml';
		$this->parent->manifest = $this->parent->isManifest($manifestPath);
		$this->parent->setPath('manifest', $manifestPath);
		$this->parent->setPath('source', $client->path . '/language/' . $short_element);
		$this->parent->setPath('extension_root', $this->parent->getPath('source'));
		$manifest_details = JApplicationHelper::parseXMLInstallFile($this->parent->getPath('manifest'));
		$this->parent->extension->manifest_cache = json_encode($manifest_details);
		$this->parent->extension->state = 0;
		$this->parent->extension->name = $manifest_details['name'];
		$this->parent->extension->enabled = 1;
		//$this->parent->extension->params = $this->parent->getParams();
		try
		{
			$this->parent->extension->store();
		}
		catch (JException $e)
		{
			JError::raiseWarning(101, JText::_('JLIB_INSTALLER_ERROR_LANG_DISCOVER_STORE_DETAILS'));
			return false;
		}
		return $this->parent->extension->get('extension_id');
	}

	/**
	 * Refreshes the extension table cache
	 *
	 * @return  boolean result of operation, true if updated, false on failure
	 *
	 * @since   11.1
	 */
	public function refreshManifestCache()
	{
		$client = JApplicationHelper::getClientInfo($this->parent->extension->client_id);
		$manifestPath = $client->path . '/language/' . $this->parent->extension->element . '/' . $this->parent->extension->element . '.xml';
		$this->parent->manifest = $this->parent->isManifest($manifestPath);
		$this->parent->setPath('manifest', $manifestPath);
		$manifest_details = JApplicationHelper::parseXMLInstallFile($this->parent->getPath('manifest'));
		$this->parent->extension->manifest_cache = json_encode($manifest_details);
		$this->parent->extension->name = $manifest_details['name'];

		if ($this->parent->extension->store())
		{
			return true;
		}
		else
		{
			JError::raiseWarning(101, JText::_('JLIB_INSTALLER_ERROR_MOD_REFRESH_MANIFEST_CACHE'));

			return false;
		}
	}
}
�����������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������home/academiac/www/libraries/joomla/database/table/language.php�������������������������������������0000644�����������������00000004066�15137271757�0020620 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php
/**
 * @package     Joomla.Platform
 * @subpackage  Database
 *
 * @copyright   Copyright (C) 2005 - 2014 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

defined('JPATH_PLATFORM') or die;

jimport('joomla.database.table');

/**
 * Languages table.
 *
 * @package     Joomla.Platform
 * @subpackage  Database
 * @since       11.1
 */
class JTableLanguage extends JTable
{
	/**
	 * Constructor
	 *
	 * @param   JDatabase  &$db  A database connector object
	 *
	 * @since   11.1
	 */
	public function __construct(&$db)
	{
		parent::__construct('#__languages', 'lang_id', $db);
	}

	/**
	 * Overloaded check method to ensure data integrity
	 *
	 * @return  boolean  True on success
	 *
	 * @since   11.1
	 */
	public function check()
	{
		if (trim($this->title) == '')
		{
			$this->setError(JText::_('JLIB_DATABASE_ERROR_LANGUAGE_NO_TITLE'));
			return false;
		}

		return true;
	}

	/**
	 * Overrides JTable::store to check unique fields.
	 *
	 * @param   boolean  $updateNulls  True to update fields even if they are null.
	 *
	 * @return  boolean  True on success.
	 *
	 * @since   11.4
	 */
	public function store($updateNulls = false)
	{
		// Verify that the sef field is unique
		$table = JTable::getInstance('Language', 'JTable');
		if ($table->load(array('sef' => $this->sef)) && ($table->lang_id != $this->lang_id || $this->lang_id == 0))
		{
			$this->setError(JText::_('JLIB_DATABASE_ERROR_LANGUAGE_UNIQUE_SEF'));
			return false;
		}

		// Verify that the image field is unique
		if ($table->load(array('image' => $this->image)) && ($table->lang_id != $this->lang_id || $this->lang_id == 0))
		{
			$this->setError(JText::_('JLIB_DATABASE_ERROR_LANGUAGE_UNIQUE_IMAGE'));
			return false;
		}

		// Verify that the language code is unique
		if ($table->load(array('lang_code' => $this->lang_code)) && ($table->lang_id != $this->lang_id || $this->lang_id == 0))
		{
			$this->setError(JText::_('JLIB_DATABASE_ERROR_LANGUAGE_UNIQUE_LANG_CODE'));
			return false;
		}
		return parent::store($updateNulls);
	}
}
��������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������home/academiac/www/administrator/components/com_languages/models/language.php�����������������������0000644�����������������00000011325�15137317423�0023647 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php
/**
 * @copyright	Copyright (C) 2005 - 2014 Open Source Matters, Inc. All rights reserved.
 * @license		GNU General Public License version 2 or later; see LICENSE.txt
 */

// No direct access
defined('_JEXEC') or die;

jimport('joomla.application.component.modeladmin');

/**
 * Languages Component Language Model
 *
 * @package		Joomla.Administrator
 * @subpackage	com_languages
 * @since		1.5
 */
class LanguagesModelLanguage extends JModelAdmin
{
	/**
	 * Override to get the table
	 *
	 * @return	JTable
	 * @since	1.6
	 */
	public function getTable($name = '', $prefix = '', $options = array())
	{
		return JTable::getInstance('Language');
	}

	/**
	 * Method to auto-populate the model state.
	 *
	 * Note. Calling getState in this method will result in recursion.
	 *
	 * @return	void
	 * @since	1.6
	 */
	protected function populateState()
	{
		$app		= JFactory::getApplication('administrator');
		$params		= JComponentHelper::getParams('com_languages');

		// Load the User state.
		$langId = (int) JRequest::getInt('lang_id');
		$this->setState('language.id', $langId);

		// Load the parameters.
		$this->setState('params', $params);
	}

	/**
	 * Method to get a member item.
	 *
	 * @param	integer	The id of the member to get.
	 *
	 * @return	mixed	User data object on success, false on failure.
	 * @since	1.0
	 */
	public function getItem($langId = null)
	{
		// Initialise variables.
		$langId	= (!empty($langId)) ? $langId : (int) $this->getState('language.id');
		$false		= false;

		// Get a member row instance.
		$table = $this->getTable();

		// Attempt to load the row.
		$return = $table->load($langId);

		// Check for a table object error.
		if ($return === false && $table->getError()) {
			$this->setError($table->getError());
			return $false;
		}

		// Set a valid accesslevel in case '0' is stored due to a bug in the installation SQL.
		if ($table->access == '0')
		{
			$table->access = (int) JFactory::getConfig()->get('access');
		}

		$properties = $table->getProperties(1);
		$value = JArrayHelper::toObject($properties, 'JObject');

		return $value;
	}

	/**
	 * Method to get the group form.
	 *
	 * @param	array	$data		Data for the form.
	 * @param	boolean	$loadData	True if the form is to load its own data (default case), false if not.
	 *
	 * @return	mixed	A JForm object on success, false on failure
	 * @since	1.6
	 */
	public function getForm($data = array(), $loadData = true)
	{
		// Get the form.
		$form = $this->loadForm('com_languages.language', 'language', array('control' => 'jform', 'load_data' => $loadData));
		if (empty($form)) {
			return false;
		}

		return $form;
	}

	/**
	 * Method to get the data that should be injected in the form.
	 *
	 * @return	mixed	The data for the form.
	 * @since	1.6
	 */
	protected function loadFormData()
	{
		// Check the session for previously entered form data.
		$data = JFactory::getApplication()->getUserState('com_languages.edit.language.data', array());

		if (empty($data)) {
			$data = $this->getItem();
		}

		return $data;
	}

	/**
	 * Method to save the form data.
	 *
	 * @param	array	The form data.
	 *
	 * @return	boolean	True on success.
	 * @since	1.6
	 */
	public function save($data)
	{
		$langId	= (int) $this->getState('language.id');
		$isNew	= true;

		$dispatcher = JDispatcher::getInstance();
		JPluginHelper::importPlugin('extension');

		$table = $this->getTable();

		// Load the row if saving an existing item.
		if ($langId > 0) {
			$table->load($langId);
			$isNew = false;
		}

		// Prevent white spaces, including East Asian double bytes
		$spaces = array('/\xE3\x80\x80/', ' ');

		$data['lang_code'] = str_replace($spaces, '', $data['lang_code']);
		$data['sef'] = str_replace($spaces, '', $data['sef']);

		// Bind the data
		if (!$table->bind($data)) {
			$this->setError($table->getError());
			return false;
		}

		// Check the data
		if (!$table->check()) {
			$this->setError($table->getError());
			return false;
		}

		// Trigger the onExtensionBeforeSave event.
		$result = $dispatcher->trigger('onExtensionBeforeSave', array('com_languages.language', &$table, $isNew));

		// Check the event responses.
		if (in_array(false, $result, true)) {
			$this->setError($table->getError());
			return false;
		}

		// Store the data
		if (!$table->store()) {
			$this->setError($table->getError());
			return false;
		}

		// Trigger the onExtensionAfterSave event.
		$dispatcher->trigger('onExtensionAfterSave', array('com_languages.language', &$table, $isNew));

		$this->setState('language.id', $table->lang_id);

		// Clean the cache.
		$this->cleanCache();

		return true;
	}

	/**
	 * Custom clean cache method
	 *
	 * @since	1.6
	 */
	protected function cleanCache($group = null, $client_id = 0)
	{
		parent::cleanCache('_system');
		parent::cleanCache('com_languages');
	}
}
�����������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������home/academiac/www/administrator/components/com_languages/controllers/language.php������������������0000644�����������������00000001652�15137322653�0024735 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php
/**
 * @copyright	Copyright (C) 2005 - 2014 Open Source Matters, Inc. All rights reserved.
 * @license		GNU General Public License version 2 or later; see LICENSE.txt
 */

defined('_JEXEC') or die;

jimport('joomla.application.component.controllerform');

/**
 * Languages list actions controller.
 *
 * @package		Joomla.Administrator
 * @subpackage	com_languages
 * @version		1.6
 */
class LanguagesControllerLanguage extends JControllerForm
{
	// Define protected variables and custom methods if necessary.
	/**
	 * Gets the URL arguments to append to an item redirect.
	 *
	 * @param	int		$recordId	The primary key id for the item.
	 * @param	string	$key		The name of the primary key variable.
	 *
	 * @return	string	The arguments to append to the redirect URL.
	 * @since	1.6
	 */
	protected function getRedirectToItemAppend($recordId = null, $key = 'lang_id')
	{
		return parent::getRedirectToItemAppend($recordId, $key);
	}
}
��������������������������������������������������������������������������������������home/academiac/www/libraries/joomla/form/fields/language.php����������������������������������������0000644�����������������00000002426�15137513554�0020166 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php
/**
 * @package     Joomla.Platform
 * @subpackage  Form
 *
 * @copyright   Copyright (C) 2005 - 2014 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

defined('JPATH_PLATFORM') or die;

JFormHelper::loadFieldClass('list');

/**
 * Form Field class for the Joomla Platform.
 * Supports a list of installed application languages
 *
 * @package     Joomla.Platform
 * @subpackage  Form
 * @see         JFormFieldContentLanguage for a select list of content languages.
 * @since       11.1
 */
class JFormFieldLanguage extends JFormFieldList
{
	/**
	 * The form field type.
	 *
	 * @var    string
	 * @since  11.1
	 */
	protected $type = 'Language';

	/**
	 * Method to get the field options.
	 *
	 * @return  array  The field option objects.
	 *
	 * @since   11.1
	 */
	protected function getOptions()
	{
		// Initialize some field attributes.
		$client = (string) $this->element['client'];
		if ($client != 'site' && $client != 'administrator')
		{
			$client = 'site';
		}

		// Merge any additional options in the XML definition.
		$options = array_merge(
			parent::getOptions(),
			JLanguageHelper::createLanguageList($this->value, constant('JPATH_' . strtoupper($client)), true, true)
		);

		return $options;
	}
}
������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������home/academiac/www/libraries/joomla/language/language.php�������������������������������������������0000644�����������������00000076153�15137562455�0017554 0����������������������������������������������������������������������������������������������������ustar�00�������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������������<?php
/**
 * @package     Joomla.Platform
 * @subpackage  Language
 *
 * @copyright   Copyright (C) 2005 - 2014 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE
 */

defined('JPATH_PLATFORM') or die;

/**
 * Allows for quoting in language .ini files.
 */
define('_QQ_', '"');

// import some libraries
jimport('joomla.filesystem.stream');

/**
 * Languages/translation handler class
 *
 * @package     Joomla.Platform
 * @subpackage  Language
 * @since       11.1
 */
class JLanguage extends JObject
{
	protected static $languages = array();

	/**
	 * Debug language, If true, highlights if string isn't found.
	 * @var    boolean
	 * @since  11.1
	 */
	protected $debug = false;

	/**
	 * The default language, used when a language file in the requested language does not exist.
	 * @var    string
	 * @since  11.1
	 */
	protected $default = 'en-GB';

	/**
	 * An array of orphaned text.
	 * @var    array
	 * @since  11.1
	 */
	protected $orphans = array();

	/**
	 * Array holding the language metadata.
	 * @var    array
	 * @since  11.1
	 */
	protected $metadata = null;

	/**
	 * Array holding the language locale or boolean null if none.
	 * @var    array|boolean
	 * @since  11.1
	 */
	protected $locale = null;

	/**
	 * The language to load.
	 * @var    string
	 * @since  11.1
	 */
	protected $lang = null;

	/**
	 * A nested array of language files that have been loaded
	 * @var    array
	 * @since  11.1
	 */
	protected $paths = array();

	/**
	 * List of language files that are in error state
	 * @var    array
	 * @since  11.1
	 */
	protected $errorfiles = array();

	/**
	 * Translations
	 * @var    array
	 * @since  11.1
	 */
	protected $strings = null;

	/**
	 * An array of used text, used during debugging.
	 * @var    array
	 * @since  11.1
	 */
	protected $used = array();

	/**
	 * Counter for number of loads.
	 * @var    integer
	 * @since  11.1
	 */
	protected $counter = 0;

	/**
	 * An array used to store overrides.
	 * @var    array
	 * @since  11.1
	 */
	protected $override = array();

	/**
	 * Name of the transliterator function for this language.
	 * @var    string
	 * @since  11.1
	 */
	protected $transliterator = null;

	/**
	 * Name of the pluralSuffixesCallback function for this language.
	 * @var    string
	 * @since  11.1
	 */
	protected $pluralSuffixesCallback = null;

	/**
	 * Name of the ignoredSearchWordsCallback function for this language.
	 * @var    string
	 * @since  11.1
	 */
	protected $ignoredSearchWordsCallback = null;

	/**
	 * Name of the lowerLimitSearchWordCallback function for this language.
	 * @var    string
	 * @since  11.1
	 */
	protected $lowerLimitSearchWordCallback = null;

	/**
	 * Name of the uppperLimitSearchWordCallback function for this language
	 * @var    string
	 * @since  11.1
	 */
	protected $upperLimitSearchWordCallback = null;

	/**
	 * Name of the searchDisplayedCharactersNumberCallback function for this language.
	 * @var    string
	 * @since  11.1
	 */
	protected $searchDisplayedCharactersNumberCallback = null;

	/**
	 * Constructor activating the default information of the language.
	 *
	 * @param   string   $lang   The language
	 * @param   boolean  $debug  Indicates if language debugging is enabled.
	 *
	 * @since   11.1
	 */
	public function __construct($lang = null, $debug = false)
	{
		$this->strings = array();

		if ($lang == null)
		{
			$lang = $this->default;
		}

		$this->setLanguage($lang);
		$this->setDebug($debug);

		$filename = JPATH_BASE . "/language/overrides/$lang.override.ini";

		if (file_exists($filename) && $contents = $this->parse($filename))
		{
			if (is_array($contents))
			{
				$this->override = $contents;
			}
			unset($contents);
		}

		// Look for a language specific localise class
		$class = str_replace('-', '_', $lang . 'Localise');
		$paths = array();
		if (defined('JPATH_SITE'))
		{
			// Note: Manual indexing to enforce load order.
			$paths[0] = JPATH_SITE . "/language/overrides/$lang.localise.php";
			$paths[2] = JPATH_SITE . "/language/$lang/$lang.localise.php";
		}

		if (defined('JPATH_ADMINISTRATOR'))
		{
			// Note: Manual indexing to enforce load order.
			$paths[1] = JPATH_ADMINISTRATOR . "/language/overrides/$lang.localise.php";
			$paths[3] = JPATH_ADMINISTRATOR . "/language/$lang/$lang.localise.php";
		}

		ksort($paths);
		$path = reset($paths);

		while (!class_exists($class) && $path)
		{
			if (file_exists($path))
			{
				require_once $path;
			}
			$path = next($paths);
		}

		if (class_exists($class))
		{
			/* Class exists. Try to find
			 * -a transliterate method,
			 * -a getPluralSuffixes method,
			 * -a getIgnoredSearchWords method
			 * -a getLowerLimitSearchWord method
			 * -a getUpperLimitSearchWord method
			 * -a getSearchDisplayCharactersNumber method
			 */
			if (method_exists($class, 'transliterate'))
			{
				$this->transliterator = array($class, 'transliterate');
			}

			if (method_exists($class, 'getPluralSuffixes'))
			{
				$this->pluralSuffixesCallback = array($class, 'getPluralSuffixes');
			}

			if (method_exists($class, 'getIgnoredSearchWords'))
			{
				$this->ignoredSearchWordsCallback = array($class, 'getIgnoredSearchWords');
			}

			if (method_exists($class, 'getLowerLimitSearchWord'))
			{
				$this->lowerLimitSearchWordCallback = array($class, 'getLowerLimitSearchWord');
			}

			if (method_exists($class, 'getUpperLimitSearchWord'))
			{
				$this->upperLimitSearchWordCallback = array($class, 'getUpperLimitSearchWord');
			}

			if (method_exists($class, 'getSearchDisplayedCharactersNumber'))
			{
				$this->searchDisplayedCharactersNumberCallback = array($class, 'getSearchDisplayedCharactersNumber');
			}
		}

		$this->load();
	}

	/**
	 * Returns a language object.
	 *
	 * @param   string   $lang   The language to use.
	 * @param   boolean  $debug  The debug mode.
	 *
	 * @return  JLanguage  The Language object.
	 *
	 * @since   11.1
	 */
	public static function getInstance($lang, $debug = false)
	{
		if (!isset(self::$languages[$lang . $debug]))
		{
			self::$languages[$lang . $debug] = new JLanguage($lang, $debug);
		}

		return self::$languages[$lang . $debug];
	}

	/**
	 * Translate function, mimics the php gettext (alias _) function.
	 *
	 * The function checks if $jsSafe is true, then if $interpretBackslashes is true.
	 *
	 * @param   string   $string                The string to translate
	 * @param   boolean  $jsSafe                Make the result javascript safe
	 * @param   boolean  $interpretBackSlashes  Interpret \t and \n
	 *
	 * @return  string  The translation of the string
	 *
	 * @since   11.1
	 */
	public function _($string, $jsSafe = false, $interpretBackSlashes = true)
	{
		// Detect empty string
		if ($string == '')
		{
			return '';
		}

		$key = strtoupper($string);

		if (isset($this->strings[$key]))
		{
			$string = $this->debug ? '**' . $this->strings[$key] . '**' : $this->strings[$key];

			// Store debug information
			if ($this->debug)
			{
				$caller = $this->getCallerInfo();

				if (!array_key_exists($key, $this->used))
				{
					$this->used[$key] = array();
				}

				$this->used[$key][] = $caller;
			}
		}
		else
		{
			if ($this->debug)
			{
				$caller = $this->getCallerInfo();
				$caller['string'] = $string;

				if (!array_key_exists($key, $this->orphans))
				{
					$this->orphans[$key] = array();
				}

				$this->orphans[$key][] = $caller;

				$string = '??' . $string . '??';
			}
		}

		if ($jsSafe)
		{
			// Javascript filter
			$string = addslashes($string);
		}
		elseif ($interpretBackSlashes)
		{
			// Interpret \n and \t characters
			$string = str_replace(array('\\\\', '\t', '\n'), array("\\", "\t", "\n"), $string);
		}

		return $string;
	}

	/**
	 * Transliterate function
	 *
	 * This method processes a string and replaces all accented UTF-8 characters by unaccented
	 * ASCII-7 "equivalents".
	 *
	 * @param   string  $string  The string to transliterate.
	 *
	 * @return  string  The transliteration of the string.
	 *
	 * @since   11.1
	 */
	public function transliterate($string)
	{
		include_once dirname(__FILE__) . '/latin_transliterate.php';

		if ($this->transliterator !== null)
		{
			return call_user_func($this->transliterator, $string);
		}

		$string = JLanguageTransliterate::utf8_latin_to_ascii($string);
		$string = JString::strtolower($string);

		return $string;
	}

	/**
	 * Getter for transliteration function
	 *
	 * @return  string  Function name or the actual function for PHP 5.3.
	 *
	 * @since   11.1
	 */
	public function getTransliterator()
	{
		return $this->transliterator;
	}

	/**
	 * Set the transliteration function.
	 *
	 * @param   mixed  $function  Function name (string) or the actual function for PHP 5.3 (function).
	 *
	 * @return  mixed
	 *
	 * @since   11.1
	 */
	public function setTransliterator($function)
	{
		$previous = $this->transliterator;
		$this->transliterator = $function;

		return $previous;
	}

	/**
	 * Returns an array of suffixes for plural rules.
	 *
	 * @param   integer  $count  The count number the rule is for.
	 *
	 * @return  array    The array of suffixes.
	 *
	 * @since   11.1
	 */
	public function getPluralSuffixes($count)
	{
		if ($this->pluralSuffixesCallback !== null)
		{
			return call_user_func($this->pluralSuffixesCallback, $count);
		}
		else
		{
			return array((string) $count);
		}
	}

	/**
	 * Getter for pluralSuffixesCallback function.
	 *
	 * @return  mixed  Function name (string) or the actual function for PHP 5.3 (function).
	 *
	 * @since   11.1
	 *
	 * @deprecated    12.1
	 * @note    Use JLanguage::getPluralSuffixesCallback method instead
	 */
	public function getPluralSufficesCallback()
	{
		// Deprecation warning.
		JLog::add('JLanguage::_getPluralSufficesCallback() is deprecated.', JLog::WARNING, 'deprecated');

		return $this->getPluralSuffixesCallback();
	}

	/**
	 * Getter for pluralSuffixesCallback function.
	 *
	 * @return  mixed  Function name (string) or the actual function for PHP 5.3 (function).
	 *
	 * @since   11.1
	 */
	public function getPluralSuffixesCallback()
	{
		return $this->pluralSuffixesCallback;
	}

	/**
	 * Set the pluralSuffixes function.
	 *
	 * @param   mixed  $function  Function name (string) or actual function for PHP 5.3 (function)
	 *
	 * @return  mixed  Function name or the actual function for PHP 5.3.
	 *
	 * @since   11.1
	 */
	public function setPluralSuffixesCallback($function)
	{
		$previous = $this->pluralSuffixesCallback;
		$this->pluralSuffixesCallback = $function;

		return $previous;
	}

	/**
	 * Returns an array of ignored search words
	 *
	 * @return  array  The array of ignored search words.
	 *
	 * @since   11.1
	 */
	public function getIgnoredSearchWords()
	{
		if ($this->ignoredSearchWordsCallback !== null)
		{
			return call_user_func($this->ignoredSearchWordsCallback);
		}
		else
		{
			return array();
		}
	}

	/**
	 * Getter for ignoredSearchWordsCallback function.
	 *
	 * @return  mixed  Function name (string) or the actual function for PHP 5.3 (function).
	 *
	 * @since   11.1
	 */
	public function getIgnoredSearchWordsCallback()
	{
		return $this->ignoredSearchWordsCallback;
	}

	/**
	 * Setter for the ignoredSearchWordsCallback function
	 *
	 * @param   mixed  $function  Function name (string) or actual function for PHP 5.3 (function)
	 *
	 * @return  mixed  Function name (string) or the actual function for PHP 5.3 (function)
	 *
	 * @since   11.1
	 */
	public function setIgnoredSearchWordsCallback($function)
	{
		$previous = $this->ignoredSearchWordsCallback;
		$this->ignoredSearchWordsCallback = $function;

		return $previous;
	}

	/**
	 * Returns a lower limit integer for length of search words
	 *
	 * @return  integer  The lower limit integer for length of search words (3 if no value was set for a specific language).
	 *
	 * @since   11.1
	 */
	public function getLowerLimitSearchWord()
	{
		if ($this->lowerLimitSearchWordCallback !== null)
		{
			return call_user_func($this->lowerLimitSearchWordCallback);
		}
		else
		{
			return 3;
		}
	}

	/**
	 * Getter for lowerLimitSearchWordCallback function
	 *
	 * @return  mixed  Function name (string) or the actual function for PHP 5.3 (function).
	 *
	 * @since   11.1
	 */
	public function getLowerLimitSearchWordCallback()
	{
		return $this->lowerLimitSearchWordCallback;
	}

	/**
	 * Setter for the lowerLimitSearchWordCallback function.
	 *
	 * @param   mixed  $function  Function name (string) or actual function for PHP 5.3 (function)
	 *
	 * @return  string|function Function name or the actual function for PHP 5.3.
	 *
	 * @since   11.1
	 */
	public function setLowerLimitSearchWordCallback($function)
	{
		$previous = $this->lowerLimitSearchWordCallback;
		$this->lowerLimitSearchWordCallback = $function;

		return $previous;
	}

	/**
	 * Returns an upper limit integer for length of search words
	 *
	 * @return  integer  The upper limit integer for length of search words (20 if no value was set for a specific language).
	 *
	 * @since   11.1
	 */
	public function getUpperLimitSearchWord()
	{
		if ($this->upperLimitSearchWordCallback !== null)
		{
			return call_user_func($this->upperLimitSearchWordCallback);
		}
		else
		{
			return 20;
		}
	}

	/**
	 * Getter for upperLimitSearchWordCallback function
	 *
	 * @return  string|function  Function name or the actual function for PHP 5.3.
	 *
	 * @since   11.1
	 */
	public function getUpperLimitSearchWordCallback()
	{
		return $this->upperLimitSearchWordCallback;
	}

	/**
	 * Setter for the upperLimitSearchWordCallback function
	 *
	 * @param   string  $function  The name of the callback function.
	 *
	 * @return  mixed  Function name (string) or the actual function for PHP 5.3 (function).
	 *
	 * @since   11.1
	 */
	public function setUpperLimitSearchWordCallback($function)
	{
		$previous = $this->upperLimitSearchWordCallback;
		$this->upperLimitSearchWordCallback = $function;

		return $previous;
	}

	/**
	 * Returns the number of characters displayed in search results.
	 *
	 * @return  integer  The number of characters displayed (200 if no value was set for a specific language).
	 *
	 * @since   11.1
	 */
	public function getSearchDisplayedCharactersNumber()
	{
		if ($this->searchDisplayedCharactersNumberCallback !== null)
		{
			return call_user_func($this->searchDisplayedCharactersNumberCallback);
		}
		else
		{
			return 200;
		}
	}

	/**
	 * Getter for searchDisplayedCharactersNumberCallback function
	 *
	 * @return  mixed  Function name or the actual function for PHP 5.3.
	 *
	 * @since   11.1
	 */
	public function getSearchDisplayedCharactersNumberCallback()
	{
		return $this->searchDisplayedCharactersNumberCallback;
	}

	/**
	 * Setter for the searchDisplayedCharactersNumberCallback function.
	 *
	 * @param   string  $function  The name of the callback.
	 *
	 * @return  mixed  Function name (string) or the actual function for PHP 5.3 (function).
	 *
	 * @since   11.1
	 */
	public function setSearchDisplayedCharactersNumberCallback($function)
	{
		$previous = $this->searchDisplayedCharactersNumberCallback;
		$this->searchDisplayedCharactersNumberCallback = $function;

		return $previous;
	}

	/**
	 * Checks if a language exists.
	 *
	 * This is a simple, quick check for the directory that should contain language files for the given user.
	 *
	 * @param   string  $lang      Language to check.
	 * @param   string  $basePath  Optional path to check.
	 *
	 * @return  boolean  True if the language exists.
	 *
	 * @since   11.1
	 */
	public static function exists($lang, $basePath = JPATH_BASE)
	{
		static $paths = array();

		// Return false if no language was specified
		if (!$lang)
		{
			return false;
		}

		$path = "$basePath/language/$lang";

		// Return previous check results if it exists
		if (isset($paths[$path]))
		{
			return $paths[$path];
		}

		// Check if the language exists
		jimport('joomla.filesystem.folder');

		$paths[$path] = JFolder::exists($path);

		return $paths[$path];
	}

	/**
	 * Loads a single language file and appends the results to the existing strings
	 *
	 * @param   string   $extension  The extension for which a language file should be loaded.
	 * @param   string   $basePath   The basepath to use.
	 * @param   string   $lang       The language to load, default null for the current language.
	 * @param   boolean  $reload     Flag that will force a language to be reloaded if set to true.
	 * @param   boolean  $default    Flag that force the default language to be loaded if the current does not exist.
	 *
	 * @return  boolean  True if the file has successfully loaded.
	 *
	 * @since   11.1
	 */
	public function load($extension = 'joomla', $basePath = JPATH_BASE, $lang = null, $reload = false, $default = true)
	{
		// Load the default language first if we're not debugging and a non-default language is requested to be loaded
		// with $default set to true
		if (!JFactory::getConfig()->get('debug_lang') && ($lang != $this->default) && $default)
		{
			$this->load($extension, $basePath, $this->default, false, true);
		}

		if (!$lang)
		{
			$lang = $this->lang;
		}

		$path = self::getLanguagePath($basePath, $lang);

		$internal = $extension == 'joomla' || $extension == '';
		$filename = $internal ? $lang : $lang . '.' . $extension;
		$filename = "$path/$filename.ini";

		$result = false;

		if (isset($this->paths[$extension][$filename]) && !$reload)
		{
			// This file has already been tested for loading.
			$result = $this->paths[$extension][$filename];
		}
		else
		{
			// Load the language file
			$result = $this->loadLanguage($filename, $extension);

			// Check whether there was a problem with loading the file
			if ($result === false && $default)
			{
				// No strings, so either file doesn't exist or the file is invalid
				$oldFilename = $filename;

				// Check the standard file name
				$path = self::getLanguagePath($basePath, $this->default);
				$filename = $internal ? $this->default : $this->default . '.' . $extension;
				$filename = "$path/$filename.ini";

				// If the one we tried is different than the new name, try again
				if ($oldFilename != $filename)
				{
					$result = $this->loadLanguage($filename, $extension, false);
				}
			}
		}

		return $result;
	}

	/**
	 * Loads a language file.
	 *
	 * This method will not note the successful loading of a file - use load() instead.
	 *
	 * @param   string   $filename   The name of the file.
	 * @param   string   $extension  The name of the extension.
	 * @param   boolean  $overwrite  Not used??
	 *
	 * @return  boolean  True if new strings have been added to the language
	 *
	 * @see     JLanguage::load()
	 * @since   11.1
	 */
	protected function loadLanguage($filename, $extension = 'unknown', $overwrite = true)
	{
		$this->counter++;

		$result = false;
		$strings = false;

		if (file_exists($filename))
		{
			$strings = $this->parse($filename);
		}

		if ($strings)
		{
			if (is_array($strings))
			{
				$this->strings = array_merge($this->strings, $strings);
			}

			if (is_array($strings) && count($strings))
			{
				$this->strings = array_merge($this->strings, $this->override);
				$result = true;
			}
		}

		// Record the result of loading the extension's file.
		if (!isset($this->paths[$extension]))
		{
			$this->paths[$extension] = array();
		}

		$this->paths[$extension][$filename] = $result;

		return $result;
	}

	/**
	 * Parses a language file.
	 *
	 * @param   string  $filename  The name of the file.
	 *
	 * @return  array  The array of parsed strings.
	 *
	 * @since   11.1
	 */
	protected function parse($filename)
	{
		$version = phpversion();

		// Capture hidden PHP errors from the parsing.
		$php_errormsg = null;
		$track_errors = ini_get('track_errors');
		ini_set('track_errors', true);

		if ($version >= '5.3.1')
		{
			$contents = file_get_contents($filename);
			$contents = str_replace('_QQ_', '"\""', $contents);
			$strings = @parse_ini_string($contents);
		}
		else
		{
			$strings = @parse_ini_file($filename);

			if ($version == '5.3.0' && is_array($strings))
			{
				foreach ($strings as $key => $string)
				{
					$strings[$key] = str_replace('_QQ_', '"', $string);
				}
			}
		}

		// Restore error tracking to what it was before.
		ini_set('track_errors', $track_errors);

		if (!is_array($strings))
		{
			$strings = array();
		}

		if ($this->debug)
		{
			// Initialise variables for manually parsing the file for common errors.
			$blacklist = array('YES', 'NO', 'NULL', 'FALSE', 'ON', 'OFF', 'NONE', 'TRUE');
			$regex = '/^(|(\[[^\]]*\])|([A-Z][A-Z0-9_\-]*\s*=(\s*(("[^"]*")|(_QQ_)))+))\s*(;.*)?$/';
			$this->debug = false;
			$errors = array();
			$lineNumber = 0;

			// Open the file as a stream.
			$stream = new JStream;
			$stream->open($filename);

			while (!$stream->eof())
			{
				$line = $stream->gets();
				// Avoid BOM error as BOM is OK when using parse_ini
				if ($lineNumber == 0)
				{
					$line = str_replace("\xEF\xBB\xBF", '', $line);
				}
				$lineNumber++;

				// Check that the key is not in the blacklist and that the line format passes the regex.
				$key = strtoupper(trim(substr($line, 0, strpos($line, '='))));

				if (!preg_match($regex, $line) || in_array($key, $blacklist))
				{
					$errors[] = $lineNumber;
				}
			}

			$stream->close();

			// Check if we encountered any errors.
			if (count($errors))
			{
				if (basename($filename) != $this->lang . '.ini')
				{
					$this->errorfiles[$filename] = $filename . JText::sprintf('JERROR_PARSING_LANGUAGE_FILE', implode(', ', $errors));
				}
				else
				{
					$this->errorfiles[$filename] = $filename . '&#160;: error(s) in line(s) ' . implode(', ', $errors);
				}
			}
			elseif ($php_errormsg)
			{
				// We didn't find any errors but there's probably a parse notice.
				$this->errorfiles['PHP' . $filename] = 'PHP parser errors :' . $php_errormsg;
			}

			$this->debug = true;
		}

		return $strings;
	}

	/**
	 * Get a metadata language property.
	 *
	 * @param   string  $property  The name of the property.
	 * @param   mixed   $default   The default value.
	 *
	 * @return  mixed  The value of the property.
	 *
	 * @since   11.1
	 */
	public function get($property, $default = null)
	{
		if (isset($this->metadata[$property]))
		{
			return $this->metadata[$property];
		}

		return $default;
	}

	/**
	 * Determine who called JLanguage or JText.
	 *
	 * @return  array  Caller information.
	 *
	 * @since   11.1
	 */
	protected function getCallerInfo()
	{
		// Try to determine the source if none was provided
		if (!function_exists('debug_backtrace'))
		{
			return null;
		}

		$backtrace = debug_backtrace();
		$info = array();

		// Search through the backtrace to our caller
		$continue = true;
		while ($continue && next($backtrace))
		{
			$step = current($backtrace);
			$class = @ $step['class'];

			// We're looking for something outside of language.php
			if ($class != 'JLanguage' && $class != 'JText')
			{
				$info['function'] = @ $step['function'];
				$info['class'] = $class;
				$info['step'] = prev($backtrace);

				// Determine the file and name of the file
				$info['file'] = @ $step['file'];
				$info['line'] = @ $step['line'];

				$continue = false;
			}
		}

		return $info;
	}

	/**
	 * Getter for Name.
	 *
	 * @return  string  Official name element of the language.
	 *
	 * @since   11.1
	 */
	public function getName()
	{
		return $this->metadata['name'];
	}

	/**
	 * Get a list of language files that have been loaded.
	 *
	 * @param   string  $extension  An optional extension name.
	 *
	 * @return  array
	 *
	 * @since   11.1
	 */
	public function getPaths($extension = null)
	{
		if (isset($extension))
		{
			if (isset($this->paths[$extension]))
			{
				return $this->paths[$extension];
			}

			return null;
		}
		else
		{
			return $this->paths;
		}
	}

	/**
	 * Get a list of language files that are in error state.
	 *
	 * @return  array
	 *
	 * @since   11.1
	 */
	public function getErrorFiles()
	{
		return $this->errorfiles;
	}

	/**
	 * Getter for the language tag (as defined in RFC 3066)
	 *
	 * @return  string  The language tag.
	 *
	 * @since   11.1
	 */
	public function getTag()
	{
		return $this->metadata['tag'];
	}

	/**
	 * Get the RTL property.
	 *
	 * @return  boolean  True is it an RTL language.
	 *
	 * @since   11.1
	 */
	public function isRTL()
	{
		return $this->metadata['rtl'];
	}

	/**
	 * Set the Debug property.
	 *
	 * @param   boolean  $debug  The debug setting.
	 *
	 * @return  boolean  Previous value.
	 *
	 * @since   11.1
	 */
	public function setDebug($debug)
	{
		$previous = $this->debug;
		$this->debug = $debug;

		return $previous;
	}

	/**
	 * Get the Debug property.
	 *
	 * @return  boolean  True is in debug mode.
	 *
	 * @since   11.1
	 */
	public function getDebug()
	{
		return $this->debug;
	}

	/**
	 * Get the default language code.
	 *
	 * @return  string  Language code.
	 *
	 * @since   11.1
	 */
	public function getDefault()
	{
		return $this->default;
	}

	/**
	 * Set the default language code.
	 *
	 * @param   string  $lang  The language code.
	 *
	 * @return  string  Previous value.
	 *
	 * @since   11.1
	 */
	public function setDefault($lang)
	{
		$previous = $this->default;
		$this->default = $lang;

		return $previous;
	}

	/**
	 * Get the list of orphaned strings if being tracked.
	 *
	 * @return  array  Orphaned text.
	 *
	 * @since   11.1
	 */
	public function getOrphans()
	{
		return $this->orphans;
	}

	/**
	 * Get the list of used strings.
	 *
	 * Used strings are those strings requested and found either as a string or a constant.
	 *
	 * @return  array  Used strings.
	 *
	 * @since   11.1
	 */
	public function getUsed()
	{
		return $this->used;
	}

	/**
	 * Determines is a key exists.
	 *
	 * @param   string  $string  The key to check.
	 *
	 * @return  boolean  True, if the key exists.
	 *
	 * @since   11.1
	 */
	public function hasKey($string)
	{
		$key = strtoupper($string);

		return isset($this->strings[$key]);
	}

	/**
	 * Returns a associative array holding the metadata.
	 *
	 * @param   string  $lang  The name of the language.
	 *
	 * @return  mixed  If $lang exists return key/value pair with the language metadata, otherwise return NULL.
	 *
	 * @since   11.1
	 */
	public static function getMetadata($lang)
	{
		$path = self::getLanguagePath(JPATH_BASE, $lang);
		$file = "$lang.xml";

		$result = null;

		if (is_file("$path/$file"))
		{
			$result = self::parseXMLLanguageFile("$path/$file");
		}

		return $result;
	}

	/**
	 * Returns a list of known languages for an area
	 *
	 * @param   string  $basePath  The basepath to use
	 *
	 * @return  array  key/value pair with the language file and real name.
	 *
	 * @since   11.1
	 */
	public static function getKnownLanguages($basePath = JPATH_BASE)
	{
		$dir = self::getLanguagePath($basePath);
		$knownLanguages = self::parseLanguageFiles($dir);

		return $knownLanguages;
	}

	/**
	 * Get the path to a language
	 *
	 * @param   string  $basePath  The basepath to use.
	 * @param   string  $language  The language tag.
	 *
	 * @return  string  language related path or null.
	 *
	 * @since   11.1
	 */
	public static function getLanguagePath($basePath = JPATH_BASE, $language = null)
	{
		$dir = "$basePath/language";

		if (!empty($language))
		{
			$dir .= "/$language";
		}

		return $dir;
	}

	/**
	 * Set the language attributes to the given language.
	 *
	 * Once called, the language still needs to be loaded using JLanguage::load().
	 *
	 * @param   string  $lang  Language code.
	 *
	 * @return  string  Previous value.
	 *
	 * @since   11.1
	 */
	public function setLanguage($lang)
	{
		$previous = $this->lang;
		$this->lang = $lang;
		$this->metadata = $this->getMetadata($this->lang);

		return $previous;
	}

	/**
	 * Get the language locale based on current language.
	 *
	 * @return  array  The locale according to the language.
	 *
	 * @since   11.1
	 */
	public function getLocale()
	{
		if (!isset($this->locale))
		{
			$locale = str_replace(' ', '', isset($this->metadata['locale']) ? $this->metadata['locale'] : '');

			if ($locale)
			{
				$this->locale = explode(',', $locale);
			}
			else
			{
				$this->locale = false;
			}
		}

		return $this->locale;
	}

	/**
	 * Get the first day of the week for this language.
	 *
	 * @return  integer  The first day of the week according to the language
	 *
	 * @since   11.1
	 */
	public function getFirstDay()
	{
		return (int) (isset($this->metadata['firstDay']) ? $this->metadata['firstDay'] : 0);
	}

	/**
	 * Searches for language directories within a certain base dir.
	 *
	 * @param   string  $dir  Directory of files.
	 *
	 * @return  array  Array holding the found languages as filename => real name pairs.
	 *
	 * @deprecated    12.1
	 * @note    Use parseLanguageFiles instead.
	 * @since   11.1
	 */
	public static function _parseLanguageFiles($dir = null)
	{
		// Deprecation warning.
		JLog::add('JLanguage::_parseLanguageFiles() is deprecated.', JLog::WARNING, 'deprecated');

		return self::parseLanguageFiles($dir);
	}

	/**
	 * Searches for language directories within a certain base dir.
	 *
	 * @param   string  $dir  directory of files.
	 *
	 * @return  array  Array holding the found languages as filename => real name pairs.
	 *
	 * @since   11.1
	 */
	public static function parseLanguageFiles($dir = null)
	{
		jimport('joomla.filesystem.folder');

		$languages = array();

		$subdirs = JFolder::folders($dir);

		foreach ($subdirs as $path)
		{
			$langs = self::parseXMLLanguageFiles("$dir/$path");
			$languages = array_merge($languages, $langs);
		}

		return $languages;
	}

	/**
	 * Parses XML files for language information.
	 *
	 * @param   string  $dir  Directory of files.
	 *
	 * @return  array  Array holding the found languages as filename => metadata array.
	 *
	 * @note    Use parseXMLLanguageFiles instead.
	 * @since   11.1
	 *
	 * @deprecated  12.1
	 */
	public static function _parseXMLLanguageFiles($dir = null)
	{
		// Deprecation warning.
		JLog::add('JLanguage::_parseXMLLanguageFiles() is deprecated.', JLog::WARNING, 'deprecated');

		return self::parseXMLLanguageFiles($dir);
	}

	/**
	 * Parses XML files for language information
	 *
	 * @param   string  $dir  Directory of files.
	 *
	 * @return  array  Array holding the found languages as filename => metadata array.
	 *
	 * @since   11.1
	 */
	public static function parseXMLLanguageFiles($dir = null)
	{
		if ($dir == null)
		{
			return null;
		}

		$languages = array();
		jimport('joomla.filesystem.folder');
		$files = JFolder::files($dir, '^([-_A-Za-z]*)\.xml$');

		foreach ($files as $file)
		{
			if ($content = file_get_contents("$dir/$file"))
			{
				if ($metadata = self::parseXMLLanguageFile("$dir/$file"))
				{
					$lang = str_replace('.xml', '', $file);
					$languages[$lang] = $metadata;
				}
			}
		}

		return $languages;
	}

	/**
	 * Parse XML file for language information.
	 *
	 * @param   string  $path  Path to the XML files.
	 *
	 * @return  array  Array holding the found metadata as a key => value pair.
	 *
	 * @deprecated    12.1
	 * @note    Use parseXMLLanguageFile instead.
	 * @since   11.1
	 */
	public static function _parseXMLLanguageFile($path)
	{
		return self::parseXMLLanguageFile($path);
	}

	/**
	 * Parse XML file for language information.
	 *
	 * @param   string  $path  Path to the XML files.
	 *
	 * @return  array  Array holding the found metadata as a key => value pair.
	 *
	 * @since   11.1
	 */
	public static function parseXMLLanguageFile($path)
	{
		// Try to load the file
		if (!$xml = JFactory::getXML($path))
		{
			return null;
		}

		// Check that it's a metadata file
		if ((string) $xml->getName() != 'metafile')
		{
			return null;
		}

		$metadata = array();

		foreach ($xml->metadata->children() as $child)
		{
			$metadata[$child->getName()] = (string) $child;
		}

		return $metadata;
	}
}
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