3 # Include polygen output in a page
6 package IkiWiki::Plugin::polygen;
14 hook(type => "preprocess", id => "polygen", call => \&preprocess);
17 sub preprocess (@) { #{{{
19 my $grammar = ($params{grammar} or 'polygen');
20 my $symbol = ($params{symbol} or undef);
23 $grammar =~ IkiWiki::basename($grammar);
24 $grammar =~ s/\.grm$//;
26 $symbol =~ s/[^A-Za-z0-9]//g if defined $symbol;
27 $symbol = IkiWiki::possibly_foolish_untaint($symbol) if defined $symbol;
29 my $grmfile = '/usr/share/polygen/ita/polygen.grm';
30 if (! -d '/usr/share/polygen') {
31 return "[[polygen not installed]]";
34 if (substr($File::Find::name, -length($grammar)) eq $grammar) {
35 $grmfile = IkiWiki::possibly_foolish_untaint($File::Find::name);
39 }, '/usr/share/polygen');
42 if (defined $symbol) {
43 $res = `polygen -S $symbol $grmfile 2>/dev/null`;
46 $res = `polygen $grmfile 2>/dev/null`;
50 $res="[[polygen failed]]";
53 # Strip trainling spaces and newlines so that we flow well with the