1 ac42bb6c 2022-01-28 op #!/usr/bin/env perl
3 ac42bb6c 2022-01-28 op # Copyright (c) 2022 Omar Polo <op@openbsd.org>
5 ac42bb6c 2022-01-28 op # Permission to use, copy, modify, and distribute this software for any
6 ac42bb6c 2022-01-28 op # purpose with or without fee is hereby granted, provided that the above
7 ac42bb6c 2022-01-28 op # copyright notice and this permission notice appear in all copies.
9 ac42bb6c 2022-01-28 op # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10 ac42bb6c 2022-01-28 op # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11 ac42bb6c 2022-01-28 op # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12 ac42bb6c 2022-01-28 op # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13 ac42bb6c 2022-01-28 op # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14 ac42bb6c 2022-01-28 op # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15 ac42bb6c 2022-01-28 op # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 ac42bb6c 2022-01-28 op my $in_pre = 0;
22 ac42bb6c 2022-01-28 op my $in_list = 0;
26 ac42bb6c 2022-01-28 op if ($in_pre && m/^```/) {
29 ac42bb6c 2022-01-28 op } elsif (!$in_pre && m/^```/) {
30 ac42bb6c 2022-01-28 op if ($in_list) {
35 ac42bb6c 2022-01-28 op print "<pre>";
36 ac42bb6c 2022-01-28 op } elsif ($in_pre) {
38 ac42bb6c 2022-01-28 op } elsif ($in_list && m/^$/) {
41 ac42bb6c 2022-01-28 op } elsif (m/^\*\s+(.*)/) { # NB: at least one space
42 ac42bb6c 2022-01-28 op if (!$in_list) {
43 ac42bb6c 2022-01-28 op $in_list = "item";
45 ac42bb6c 2022-01-28 op } elsif ($in_list eq "link") {
46 ac42bb6c 2022-01-28 op $in_list = "item";
50 ac42bb6c 2022-01-28 op output("li", $1);
51 ac42bb6c 2022-01-28 op } elsif (m/^=>\s*([^\s]*)\s*(.*)$/) {
52 ac42bb6c 2022-01-28 op my $href = $1;
55 ac42bb6c 2022-01-28 op # special case: images
56 ac42bb6c 2022-01-28 op if ($1 =~ /\.(png|jpg|svg)$/) {
57 ac42bb6c 2022-01-28 op if ($in_list) {
61 ac42bb6c 2022-01-28 op say "<img src='$href' alt='$alt' />";
65 ac42bb6c 2022-01-28 op if (!$in_list) {
66 ac42bb6c 2022-01-28 op $in_list = "link";
67 ac42bb6c 2022-01-28 op say "<ul class='link-list'>";
68 ac42bb6c 2022-01-28 op } elsif ($in_list eq "item") {
69 ac42bb6c 2022-01-28 op $in_list = "link";
71 ac42bb6c 2022-01-28 op say "<ul class='link-list'>";
73 ac42bb6c 2022-01-28 op $_ = $alt || $href;
74 ac42bb6c 2022-01-28 op say "<li><a href='$href'>". san() ."</a></li>";
75 ac42bb6c 2022-01-28 op } elsif (m/^###\s*(.*)$/) {
76 ac42bb6c 2022-01-28 op output("h3", $1);
77 ac42bb6c 2022-01-28 op } elsif (m/^##\s*(.*)$/) {
78 ac42bb6c 2022-01-28 op output("h2", $1);
79 ac42bb6c 2022-01-28 op } elsif (m/^#\s*(.*)$/) {
80 ac42bb6c 2022-01-28 op output("h1", $1);
81 ac42bb6c 2022-01-28 op } elsif (m/^>\s*(.*)$/) {
82 ac42bb6c 2022-01-28 op output("blockquote", $1);
84 ac42bb6c 2022-01-28 op output("p", $_);
96 ac42bb6c 2022-01-28 op my ($tn, $content) = @_;
98 ac42bb6c 2022-01-28 op if (!$in_list && $tn eq "li") {
103 ac42bb6c 2022-01-28 op if ($in_list && $tn ne "li") {
104 ac42bb6c 2022-01-28 op $in_list = 0;
108 ac42bb6c 2022-01-28 op if ($tn eq "p" && $content eq "") {
112 ac42bb6c 2022-01-28 op $_ = $content;
113 ac42bb6c 2022-01-28 op say "<$tn>". san() ."</$tn>";