118 lines
2.7 KiB
Perl
118 lines
2.7 KiB
Perl
#!/usr/bin/perl
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# Markdown markup language
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package IkiWiki::Plugin::mdwn;
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use warnings;
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use strict;
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use IkiWiki 3.00;
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sub import {
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hook(type => "getsetup", id => "mdwn", call => \&getsetup);
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hook(type => "htmlize", id => "mdwn", call => \&htmlize, longname => "Markdown");
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}
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sub getsetup () {
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return
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plugin => {
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safe => 1,
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rebuild => 1, # format plugin
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section => "format",
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},
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multimarkdown => {
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type => "boolean",
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example => 0,
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description => "enable multimarkdown features?",
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safe => 1,
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rebuild => 1,
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},
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nodiscount => {
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type => "boolean",
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example => 0,
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description => "disable use of markdown discount?",
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safe => 1,
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rebuild => 1,
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},
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}
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my $markdown_sub;
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sub htmlize (@) {
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my %params=@_;
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my $content = $params{content};
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if (! defined $markdown_sub) {
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# Markdown is forked and splintered upstream and can be
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# available in a variety of forms. Support them all.
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no warnings 'once';
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$blosxom::version="is a proper perl module too much to ask?";
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use warnings 'all';
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if (exists $config{multimarkdown} && $config{multimarkdown}) {
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eval q{use Text::MultiMarkdown};
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if ($@) {
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debug(gettext("multimarkdown is enabled, but Text::MultiMarkdown is not installed"));
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}
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else {
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$markdown_sub=sub {
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Text::MultiMarkdown::markdown(shift, {use_metadata => 0});
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}
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}
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}
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if (! defined $markdown_sub &&
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(! exists $config{nodiscount} || ! $config{nodiscount})) {
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eval q{use Text::Markdown::Discount};
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if (! $@) {
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$markdown_sub=sub {
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my $t=shift;
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# Workaround for discount binding bug
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# https://rt.cpan.org/Ticket/Display.html?id=73657
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return "" if $t=~/^\s*$/;
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# Workaround for discount's eliding
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# of <style> blocks.
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# https://rt.cpan.org/Ticket/Display.html?id=74016
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$t=~s/<style/<elyts/ig;
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my $r=Text::Markdown::Discount::markdown($t);
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$r=~s/<elyts/<style/ig;
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return $r;
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}
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}
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}
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if (! defined $markdown_sub) {
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eval q{use Text::Markdown};
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if (! $@) {
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if (Text::Markdown->can('markdown')) {
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$markdown_sub=\&Text::Markdown::markdown;
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}
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else {
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$markdown_sub=\&Text::Markdown::Markdown;
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}
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}
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else {
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eval q{use Markdown};
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if (! $@) {
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$markdown_sub=\&Markdown::Markdown;
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}
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else {
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do "/usr/bin/markdown" ||
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error(sprintf(gettext("failed to load Markdown.pm perl module (%s) or /usr/bin/markdown (%s)"), $@, $!));
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$markdown_sub=\&Markdown::Markdown;
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}
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}
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}
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require Encode;
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}
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# Workaround for perl bug (#376329)
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$content=Encode::encode_utf8($content);
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eval {$content=&$markdown_sub($content)};
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if ($@) {
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eval {$content=&$markdown_sub($content)};
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print STDERR $@ if $@;
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}
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$content=Encode::decode_utf8($content);
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return $content;
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}
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1
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