Merge branch 'master' of https://github.com/savetheinternet/Tinyboard

Conflicts:
	stylesheets/dark_roach.css
	stylesheets/style.css

1 files changed, 42 insertions, 3 deletions

diff --git a/inc/display.php b/inc/display.php
index 7ca4386c..84055d5f 100644
--- a/inc/display.php
+++ b/inc/display.php
@@ -232,11 +232,50 @@ function truncate($body, $url, $max_lines = false, $max_chars = false) {
 	return $body;
 }
 
-function bidi_cleanup($str) {
-	// Removes all embedded RTL and LTR unicode formatting blocks in a string so that
+function bidi_cleanup($data) {
+	// Closes all embedded RTL and LTR unicode formatting blocks in a string so that
 	// it can be used inside another without controlling its direction.
 
-	return "<bdi>$str</bdi>";
+	$explicits	= '\xE2\x80\xAA|\xE2\x80\xAB|\xE2\x80\xAD|\xE2\x80\xAE';
+	$pdf		= '\xE2\x80\xAC';
+	
+	preg_match_all("!$explicits!",	$data, $m1, PREG_OFFSET_CAPTURE | PREG_SET_ORDER);
+	preg_match_all("!$pdf!", 	$data, $m2, PREG_OFFSET_CAPTURE | PREG_SET_ORDER);
+	
+	if (count($m1) || count($m2)){
+	
+		$p = array();
+		foreach ($m1 as $m){ $p[$m[0][1]] = 'push'; }
+		foreach ($m2 as $m){ $p[$m[0][1]] = 'pop'; }
+		ksort($p);
+	
+		$offset = 0;
+		$stack = 0;
+		foreach ($p as $pos => $type){
+	
+			if ($type == 'push'){
+				$stack++;
+			}else{
+				if ($stack){
+					$stack--;
+				}else{
+					# we have a pop without a push - remove it
+					$data = substr($data, 0, $pos-$offset)
+						.substr($data, $pos+3-$offset);
+					$offset += 3;
+				}
+			}
+		}
+	
+		# now add some pops if your stack is bigger than 0
+		for ($i=0; $i<$stack; $i++){
+			$data .= "\xE2\x80\xAC";
+		}
+	
+		return $data;
+	}
+	
+	return $data;
 }
 
 function secure_link_confirm($text, $title, $confirm_message, $href) {