1 files changed, 56 insertions, 0 deletions
diff --git a/IkiWiki/Plugin/polygen.pm b/IkiWiki/Plugin/polygen.pm
new file mode 100644
index 000000000..c14889167
--- /dev/null
+++ b/IkiWiki/Plugin/polygen.pm
@@ -0,0 +1,56 @@
+#!/usr/bin/perl
+#
+# Include polygen output in a page
+# 
+# by Enrico Zini
+package IkiWiki::Plugin::polygen;
+
+use warnings;
+use strict;
+use IkiWiki;
+use File::Find;
+
+sub import { #{{{
+	IkiWiki::hook(type => "preprocess", id => "polygen",
+		call => \&preprocess);
+} # }}}
+
+sub preprocess (@) { #{{{
+	my %params=@_;
+	my $grammar = ($params{grammar} or 'polygen');
+	my $symbol = ($params{symbol} or undef);
+
+	# Sanitize parameters
+	$grammar =~ IkiWiki::basename($grammar);
+	$grammar =~ s/\.grm$//;
+	$grammar .= '.grm';
+	$symbol =~ s/[^A-Za-z0-9]//g if defined $symbol;
+
+	my $grmfile = '/usr/share/polygen/ita/polygen.grm';
+	find({wanted => sub {
+			if (substr($File::Find::name, -length($grammar)) eq $grammar) {
+				$grmfile = IkiWiki::possibly_foolish_untaint($File::Find::name);
+			}
+		},
+		no_chdir => 1,
+	}, '/usr/share/polygen');
+	
+	my $res;
+	if (defined $symbol) {
+		$res = `polygen -S $symbol $grmfile 2>/dev/null`;
+	}
+	else {
+		$res = `polygen $grmfile 2>/dev/null`;
+	}
+
+	if ($?) {
+		$res="[[polygen failed]]";
+	}
+
+	# Strip trainling spaces and newlines so that we flow well with the
+	# markdown text
+	$res =~ s/\s*$//;
+	return $res;
+} # }}}
+
+1