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Bugtracker #4457 - handle entities when truncating text

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e107steved
2008-07-15 21:18:39 +00:00
parent bba4c56e23
commit fb73982717
1 changed files with 16 additions and 7 deletions
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23
e107_handlers/e_parse_class.php
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@@ -11,8 +11,8 @@
| GNU General Public License (http://gnu.org). | GNU General Public License (http://gnu.org).
| |
| $Source: /cvs_backup/e107_0.8/e107_handlers/e_parse_class.php,v $ | $Source: /cvs_backup/e107_0.8/e107_handlers/e_parse_class.php,v $
| $Revision: 1.34 $ | $Revision: 1.35 $
| $Date: 2008-06-14 21:01:04 $ | $Date: 2008-07-15 21:18:27 $
| $Author: e107steved $ | $Author: e107steved $
+----------------------------------------------------------------------------+ +----------------------------------------------------------------------------+
*/ */
@@ -427,15 +427,24 @@ class e_parse
function text_truncate($text, $len = 200, $more = "[more]") function text_truncate($text, $len = 200, $more = "[more]")
{ {
if (strlen($text) <= $len) return $text; // Always valid if (strlen($text) <= $len) return $text; // Always valid
if (CHARSET !== 'utf-8') return substr($text,0,$len).$more; // Non-utf-8 - one byte per character - simple if (CHARSET !== 'utf-8')
{
// Its a utf-8 string here - don't know whether its longer than allowed length yet $ret = substr($text,0,$len); // Non-utf-8 - one byte per character - simple (unless there's an entity involved)
}
else
{ // Its a utf-8 string here - don't know whether its longer than allowed length yet
preg_match('#^(?:[\x00-\x7F]|[\xC0-\xFF][\x80-\xBF]+){0,0}'. preg_match('#^(?:[\x00-\x7F]|[\xC0-\xFF][\x80-\xBF]+){0,0}'.
'((?:[\x00-\x7F]|[\xC0-\xFF][\x80-\xBF]+){0,'.$len.'})(.{0,1}).*#s',$text,$matches); '((?:[\x00-\x7F]|[\xC0-\xFF][\x80-\xBF]+){0,'.$len.'})(.{0,1}).*#s',$text,$matches);
if (empty($matches[2])) return $text; // return if utf-8 length is less than max as well
$ret = $matches[1]; $ret = $matches[1];
if (!empty($matches[2])) $ret .= $more; }
return $ret; // search for possible broken html entities
// - if an & is in the last 8 chars, removing it and whatever follows shouldn't hurt
// it should work for any characters encoding
$leftAmp = strrpos(substr($ret,-8), '&');
if($leftAmp) $ret = substr($ret,0,strlen($ret)-8+$leftAmp);
return $ret.$more;
} }