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<?php
# CMS - CMS Made Simple
# (c)2004-6 by Ted Kulp (ted@cmsmadesimple.org)
# This project's homepage is: http://cmsmadesimple.org
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# BUT withOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA	02111-1307	USA
#
#$Id$

/**
 * Methods for modules to do language related functions
 *
 * @since		1.0
 * @package		CMS
 */

function cms_module_Lang(&$modinstance)
{
	global $gCms;

$name = '';
	$params = array();

if (func_num_args() > 0)
	{
		
		$name = func_get_arg(1);
		if (func_num_args() == 3 && is_array(func_get_arg(2)))
		{
			$params = func_get_arg(2);
		}
		else if (func_num_args() > 2)
		{
			$params = array_slice(func_get_args(), 2);
		}
	}
	else
	{
		return '';
	}

if ($modinstance->curlang == '' && isset($gCms->current_language))
	{
		$modinstance->curlang = $gCms->current_language;
	}
	$ourlang = $modinstance->curlang;

#Load the language if it's not loaded
	if (!isset($modinstance->langhash[$ourlang]) || !is_array($modinstance->langhash[$ourlang]) || 
	    (is_array($modinstance->langhash[$ourlang]) && count(array_keys($modinstance->langhash[$ourlang])) == 0))
	{
		$dir = $gCms->config['root_path'];

$lang = array();

//First load the default language to remove any "Add Me's"
		if (@is_file("$dir/modules/".$modinstance->GetName()."/lang/".$modinstance->DefaultLanguage()."/".$modinstance->DefaultLanguage().".php"))
		{
			include("$dir/modules/".$modinstance->GetName()."/lang/".$modinstance->DefaultLanguage()."/".$modinstance->DefaultLanguage().".php");
		}
		else if (@is_file("$dir/modules/".$modinstance->GetName()."/lang/".$modinstance->DefaultLanguage().".php"))
		{
			include("$dir/modules/".$modinstance->GetName()."/lang/".$modinstance->DefaultLanguage().".php");
		}

//Now load the other language if necessary
		if (count($lang) == 0 || $modinstance->DefaultLanguage() != $ourlang)
		{
			if (@is_file("$dir/modules/".$modinstance->GetName()."/lang/$ourlang/$ourlang.php"))
			{
				include("$dir/modules/".$modinstance->GetName()."/lang/$ourlang/$ourlang.php");
			}
			else if (@is_file("$dir/modules/".$modinstance->GetName()."/lang/ext/$ourlang.php"))
			{
				include("$dir/modules/".$modinstance->GetName()."/lang/ext/$ourlang.php");
			}
			else if (@is_file("$dir/modules/".$modinstance->GetName()."/lang/$ourlang.php"))
			{
				include("$dir/modules/".$modinstance->GetName()."/lang/$ourlang.php");
			}
			else if (count($lang) == 0)
			{
				if (@is_file("$dir/modules/".$modinstance->GetName()."/lang/".$modinstance->DefaultLanguage()."/".$modinstance->DefaultLanguage().".php"))
				{
					include("$dir/modules/".$modinstance->GetName()."/lang/".$modinstance->DefaultLanguage()."/".$modinstance->DefaultLanguage().".php");
				}
				else if (@is_file("$dir/modules/".$modinstance->GetName()."/lang/".$modinstance->DefaultLanguage().".php"))
				{
					include("$dir/modules/".$modinstance->GetName()."/lang/".$modinstance->DefaultLanguage().".php");
				}
			}
			else
			{
				# Sucks to be here...  Don't use Lang unless there are language files...
				# Get ready for a lot of Add Me's
			}
		}

# try to load an admin modifiable version of the lang file if one exists
		if( @is_file("$dir/module_custom/".$modinstance->GetName()."/lang/$ourlang.php") )
		  {
		    include("$dir/module_custom/".$modinstance->GetName()."/lang/$ourlang.php");
		  }
		else if( @is_file("$dir/module_custom/".$modinstance->GetName()."/lang/".$modinstance->DefaultLanguage().".php") )
		{
			include("$dir/module_custom/".$modinstance->GetName()."/lang/".$modinstance->DefaultLanguage().".php");
		}

$modinstance->langhash[$ourlang] = &$lang;
	}

$result = '';

if (isset($modinstance->langhash[$ourlang][$name]))
	{
		if (count($params))
		{
			$result = @vsprintf($modinstance->langhash[$ourlang][$name], $params);
		}
		else
		{
			$result = $modinstance->langhash[$ourlang][$name];
		}
	}
	else
	{
		$result = "--Add Me - module:".$modinstance->GetName()." string:$name--";
	}

if (isset($gCms->config['admin_encoding']) && isset($gCms->variables['convertclass']))
	{
		if (strtolower(get_encoding('', false)) != strtolower($gCms->config['admin_encoding']))
		{
			$class =& $gCms->variables['convertclass'];
			$result = $class->Convert($result, get_encoding('', false), $gCms->config['admin_encoding']);
		}
	}

return $result;
}