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- <?php
- /* See license terms in /dokeos_license.txt */
- /**
- * Library for language translation from Dokeos language files to XML for videoconference
- * @uses main_api.lib.php for api_get_path()
- */
- /**
- * This function reads a Dokeos language file and transforms it into XML,
- * then returns the XML string to the caller.
- */
- function get_language_file_as_xml($language='english')
- {
- $path = api_get_path(SYS_LANG_PATH).$language.'/';
- if(!is_dir($path) or !is_readable($path))
- {
- if($language != 'english')
- {
- return get_language_file_as_xml('english');
- }
- else
- {
- return '';
- }
- }
- //error_log('Analysing path '.$path);
- $file = $path.'videoconf.inc.php';
- if(!is_file($file) or !is_readable($file))
- {
- if($language != 'english')
- {
- return get_language_file_as_xml('english');
- }
- else
- {
- return '';
- }
- }
- $convert = true;
- if(substr($language,-7,7) == 'unicode')
- {//do not convert if the language ends with 'unicode', which means it's in UTF-8
- $convert=false;
- }
- $list = file($file);
- $xml = '';
- foreach ( $list as $line )
- {
- if(substr($line,0,1)=='$')
- {
- $items = array();
- $match = preg_match('/^\$([^\s]*)\s*=\s*"(.*)";$/',$line,$items);
- if($match)
- {
- //todo: The following conversion should only happen for old language files (encoded in ISO-8859-1).
- if($convert)
- {
- $string = mb_convert_encoding($items[2],'UTF-8','ISO-8859-1');
- }
- else
- {
- $string = $items[2];
- }
- $xml .= '<labelfield><labelid>'.$items[1].'</labelid><labelvalue>'.stripslashes($string).'</labelvalue></labelfield>'."\n";
- }
- }
- }
- if(empty($xml) && $language!='english')
- {
- return get_language_file_as_xml('english');
- }
- return $xml;
- }
- ?>
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