#!/usr/bin/perl # HTML Tidy plugin # requires 'tidy' binary, found in Debian or http://tidy.sf.net/ # mostly a proof-of-concept on how to use external filters. # It is particularly useful when the html plugin is used. # # by Faidon Liambotis package IkiWiki::Plugin::htmltidy; use warnings; use strict; use IkiWiki 3.00; use IPC::Open2; sub import { hook(type => "getsetup", id => "tidy", call => \&getsetup); hook(type => "sanitize", id => "tidy", call => \&sanitize); } sub getsetup () { return plugin => { safe => 1, rebuild => undef, }, } sub sanitize (@) { my %params=@_; my $pid; my $sigpipe=0; $SIG{PIPE}=sub { $sigpipe=1 }; $pid=open2(*IN, *OUT, 'tidy -quiet -asxhtml -utf8 --show-body-only yes --show-warnings no --tidy-mark no --markup yes 2>/dev/null'); # open2 doesn't respect "use open ':utf8'" binmode (IN, ':utf8'); binmode (OUT, ':utf8'); print OUT $params{content}; close OUT; local $/ = undef; my $ret=<IN>; close IN; waitpid $pid, 0; $SIG{PIPE}="DEFAULT"; if ($sigpipe || ! defined $ret) { return gettext("htmltidy failed to parse this html"); } return $ret; } 1