1 files changed, 43 insertions, 0 deletions
diff --git a/build-aux/txt2pre b/build-aux/txt2pre
new file mode 100755
index 0000000..bc42952
--- /dev/null
+++ b/build-aux/txt2pre
@@ -0,0 +1,43 @@
+#!/usr/bin/env perl
+# Copyright (C) 2015 all contributors <cmogstored-public@bogomips.org>
+# License: GPLv3 or later (https://www.gnu.org/licenses/gpl-3.0.txt)
+#
+# Stupid script to make HTML from preformatted, utf-8 text versions,
+# only generating links for http(s).  Markdown does too much
+# and requires indentation to output preformatted text.
+use strict;
+use warnings;
+use CGI qw/escapeHTML/;
+use Encode qw/encode/;
+my $file = shift;
+my $str;
+if (defined $file) {
+        open my $fh, '<', $file or die "failed to open $file: $!\n";
+        local $/;
+        $str = <$fh>;
+} else {
+        $str = eval { local $/; <> };
+}
+
+$str = escapeHTML($str);
+$str = encode('us-ascii', $str, Encode::HTMLCREF);
+my ($title) = ($str =~ /\A([^\n]+)\n[^a-zA-Z]*\n/s);
+
+unless (defined $title) {
+        $title = $file;
+        $title =~ s,\A[^/]*/,,;
+        $title = "cmogstored - $title";
+}
+
+# temporarily swap &gt; for escape so our s!! to add href works.
+# there's probably a way to do this with only a single s!! ...
+$str =~ s!&gt;!\e!g;
+$str =~ s!\b((nntp|ftp|https?)://[\w+\+\&\?\.\%\;/#-]+)!<a
+href="$1"\n>$1</a>!g;
+
+$str =~ s!\e!&gt;!g; # swap escapes back to &gt;
+
+print '<html><head>',
+  '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />',
+  "<title>$title</title>",
+  "</head><body>\n<pre>",  $str , '</pre></body></html>';