X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/35c90a5b582f0d40a122b151580e313c2b157b6f..97e21ae21caa2418015ae512755e8078a0bc5ccf:/IkiWiki/Plugin/polygen.pm

diff --git a/IkiWiki/Plugin/polygen.pm b/IkiWiki/Plugin/polygen.pm
index c14889167..70378cf1b 100644
--- a/IkiWiki/Plugin/polygen.pm
+++ b/IkiWiki/Plugin/polygen.pm
@@ -7,12 +7,11 @@ package IkiWiki::Plugin::polygen;
 
 use warnings;
 use strict;
-use IkiWiki;
+use IkiWiki 2.00;
 use File::Find;
 
 sub import { #{{{
-	IkiWiki::hook(type => "preprocess", id => "polygen",
-		call => \&preprocess);
+	hook(type => "preprocess", id => "polygen", call => \&preprocess);
 } # }}}
 
 sub preprocess (@) { #{{{
@@ -22,11 +21,16 @@ sub preprocess (@) { #{{{
 
 	# Sanitize parameters
 	$grammar =~ IkiWiki::basename($grammar);
+	$grammar =~ s/[^A-Za-z0-9]//g;
 	$grammar =~ s/\.grm$//;
 	$grammar .= '.grm';
 	$symbol =~ s/[^A-Za-z0-9]//g if defined $symbol;
+	$symbol = IkiWiki::possibly_foolish_untaint($symbol) if defined $symbol;
 
 	my $grmfile = '/usr/share/polygen/ita/polygen.grm';
+	if (! -d '/usr/share/polygen') {
+		error gettext("polygen not installed");
+	}
 	find({wanted => sub {
 			if (substr($File::Find::name, -length($grammar)) eq $grammar) {
 				$grmfile = IkiWiki::possibly_foolish_untaint($File::Find::name);
@@ -44,10 +48,10 @@ sub preprocess (@) { #{{{
 	}
 
 	if ($?) {
-		$res="[[polygen failed]]";
+		error gettext("command failed");
 	}
 
-	# Strip trainling spaces and newlines so that we flow well with the
+	# Strip trailing spaces and newlines so that we flow well with the
 	# markdown text
 	$res =~ s/\s*$//;
 	return $res;