From 88b5a0ece54c63129733adc2a4bb9c89df46a5f0 Mon Sep 17 00:00:00 2001
From: Joey Hess <joey@kodama.kitenet.net>
Date: Fri, 21 Mar 2008 02:55:14 -0400
Subject: [PATCH] various fixes and simplifications

---
 IkiWiki/Plugin/smiley.pm | 34 +++++++++++++++-------------------
 1 file changed, 15 insertions(+), 19 deletions(-)

diff --git a/IkiWiki/Plugin/smiley.pm b/IkiWiki/Plugin/smiley.pm
index 7e0b54499..fcf3048b2 100644
--- a/IkiWiki/Plugin/smiley.pm
+++ b/IkiWiki/Plugin/smiley.pm
@@ -41,36 +41,32 @@ sub filter (@) { #{{{
 	return $_ unless length $smiley_regexp;
 	
 MATCH:	while (m{(?:^|(?<=\s))(\\?)$smiley_regexp(?:(?=\s)|$)}g) {
+		my $escape=$1;
+		my $smiley=$2;
+
 		# Smilies are not allowed inside <pre> or <code>.
-		# For each tag in turn, match forward to find <tag> or
-		# </tag>. If it's </tag>, then the smiley is inside the
-		# tag, and is not expanded. If it's <tag>, the smiley is
-		# outside the block.
+		# For each tag in turn, match forward to find the next <tag>
+		# or </tag> after the smiley.
 		my $pos=pos;
 		foreach my $tag ("pre", "code") {
-			if (m/.*?<(\/)?\s*$tag\s*>/isg) {
-				if (defined $1) {
-					# Inside tag, so do nothing.
-					# (Smiley hunting will continue after
-					# the tag.)
-					next MATCH;
-				}
-				else {
-					# Reset pos back to where it was before
-					# this test.
-					pos=$pos;
-				}
+			if (m/.*?<(\/)?\s*$tag\s*>/isg && defined $1) {
+				# </tag> found first, so the smiley is
+				# inside the tag, so do not expand it.
+				next MATCH;
 			}
+			# Reset pos back to where it was before this test.
+			pos=$pos;
 		}
 
-		if ($1) {
+		if ($escape) {
 			# Remove escape.
 			substr($_, $-[1], 1)="";
 		}
 		else {
 			# Replace the smiley with its expanded value.
-			substr($_, $-[2], length($2))=
-				htmllink($params{page}, $params{destpage}, $smileys{$2}, linktext => $2);
+			substr($_, $-[2], length($smiley))=
+				htmllink($params{page}, $params{destpage},
+				         $smileys{$smiley}, linktext => $smiley);
 		}
 	}
 
-- 
2.39.5