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Handle grouping symbols ()[]{} correctly. Now passing all tests!

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This commit is contained in:
Craig Andrews 2009-08-25 16:41:44 -04:00
parent 8cd474e985
commit 31329c33ae
1 changed files with 43 additions and 7 deletions
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50
lib/util.php
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@ -445,7 +445,7 @@ function common_replace_urls_callback($text, $callback, $notice_id = null) {
'(?:/[\pN\pL$\[\]\,\!\(\)\.\-\_\+\/\=\&\;]*)?'. // /path
'(?:\?[\pN\pL\$\[\]\,\!\(\)\.\-\_\+\/\=\&\;\/]*)?'. // ?query string
'(?:\#[\pN\pL$\[\]\,\!\(\)\.\-\_\+\/\=\&\;\/\?\#]*)?'. // #fragment
')(?<![\?\.\,\#\)\]\,])'.
')(?<![\?\.\,\#\,])'.
')'.
'#ixu';
preg_match_all($regex,$text,$matches);
@ -454,16 +454,52 @@ function common_replace_urls_callback($text, $callback, $notice_id = null) {
}
function callback_helper($matches, $callback, $notice_id) {
$pos = strpos($matches[0],$matches['url']);
$left = substr($matches[0],0,$pos);
$right = substr($matches[0],$pos+strlen($matches['url']));
$url=$matches['url'];
$left = strpos($matches[0],$url);
$right = $left+strlen($url);
$groupSymbolSets=array(
array(
'left'=>'(',
'right'=>')'
),
array(
'left'=>'[',
'right'=>']'
),
array(
'left'=>'{',
'right'=>'}'
)
);
$cannotEndWith=array('.','?',',','#');
$original_url=$url;
do{
$original_url=$url;
foreach($groupSymbolSets as $groupSymbolSet){
if(substr($url,-1)==$groupSymbolSet['right']){
$group_left_count = substr_count($url,$groupSymbolSet['left']);
$group_right_count = substr_count($url,$groupSymbolSet['right']);
if($group_left_count<$group_right_count){
$right-=1;
$url=substr($url,0,-1);
}
}
}
if(in_array(substr($url,-1),$cannotEndWith)){
$right-=1;
$url=substr($url,0,-1);
}
}while($original_url!=$url);
if(empty($notice_id)){
$result = call_user_func_array($callback,$matches['url']);
$result = call_user_func_array($callback,$url);
}else{
$result = call_user_func_array($callback, array($matches['url'],$notice_id) );
$result = call_user_func_array($callback, array($url,$notice_id) );
}
return $left . $result . $right;
return substr($matches[0],0,$left) . $result . substr($matches[0],$right);
}
function curry($fn) {