-#!/usr/local/bin/perl
-
-use strict;
-use warnings;
-
-my $dome = 0;
-my $esc="\\";
-my @a;
-
-print "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\"\n";
-print " \"http://www.w3.org/TR/html4/strict.dtd\">\n";
-print "<html>\n";
-print "<head>\n";
-
-line: while (<>) {
- chomp; # strip record separator
- s/([^\\](\\\\)*)\\\".*/$1/g; # strip comments
-
- @a = req($_);
- if (!@a) {
- if ($dome) {
- while ($_ =~ /[A-Za-z0-9\-\.]+/g) {
- print htmlify("$`");
- print anchor("$&");
- $_="$'";
- }
- }
- print htmlify($_), "\n";
- next line;
- }
-
- # requests
-
- if ($a[1] eq "TH") {
- @a = checkarg(2, @a);
- $a[3] = htmlify($a[3]);
- print "<title>$a[2] : $a[3]</title>\n";
- print "</head>\n";
- print "<body>\n";
- print "<h1>$a[2] : $a[3]</h1>\n";
- print "<p>\n";
- next line;
- }
-
- if ($a[1] eq "SY") {
- @a = checkarg(1, @a);
- $a[2] = htmlify($a[2]);
- print "<samp>[##:##] Command : </samp><KBD>$a[2]</KBD><p>\n";
- next line;
- }
-
- if ($a[1] eq "EX") {
- my $str = htmlify(join(' ',@a[2..$#a]));
- print "<br><samp>[##:##] Command : </samp><kbd>$str</kbd><p>\n";
- next line;
- }
-
- if ($a[1] eq "L") {
- $a[2] =~ / /;
- print "<br>" . anchor("$`") . " $'\n";
- next line;
- }
-
- if ($a[1] eq "eo") { $esc = 0; next line; }
- if ($a[1] eq "ec") { $esc = $#a == 1 ? "\\" : $a[2]; next line; }
-
- if ($a[1] =~ /NF|nf/i) { $dome = 1; printf (("<p><pre>\n")); next line; }
- if ($a[1] =~ /FI|fi/i) { $dome = 0; printf (("</pre><p>\n")); next line; }
- if ($a[1] eq "s1") { printf (("<hr><p>\n")); next line; }
- if ($a[1] eq "br") { printf "<br>\n"; next line; }
-
- if ($a[1] eq "SA") {
- @a = checkarg(1, @a);
- @a = split(/[\: \"\,\.]+/, $a[2]);
- for my $a (@a) {
- $a = anchor($a);
- }
- print "<p>See also : ", join("\n, ", @a), "\n";
- }
-
- # ignore unknown request
-}
-
-print "</body>\n";
-print "</html>\n";
-
-sub req {
- local ($_) = @_;
- if (/^([\.\'])[ \t]*([^ ]*) *(.*)/) {
- my @a = ($1, $2);
- $_ = $3;
- while (/\G(\"((\\.|[^\\\"])*)(\"|\Z))|\G(([^ ]|\\.)+) */g) {
- push(@a, $2 || $5);
- }
- return @a;
- }
- return ();
-}
-
-sub checkarg {
- my ($n, @a) = @_;
- warn "extra arguments for $a[1] ignored" if $#a > $n+1;
- warn "missing arguments for $a[1] supplied" if $#a < $n+1;
- while ($#a < $n+1) {
- push @a, "";
- }
- return @a;
-}
-
-sub anchor {
- local ($_) = @_;
- # FIXME don't create dangling links here
- return "<a href=\"$_.html\">$_</a>";
-}
-
-# Translate HTML special characters into escape sequences
-sub htmlify {
- local ($_) = @_;
- die "funny escape character `$esc' not supported"
- if $esc && $esc ne "\\";
- # translate some troff escapes
- s/\\&//g if $esc; # zero width space character
- # escape HTML special characters
- s/\&/&/g;
- s/\</</g;
- s/\>/>/g;
- # delete form feed
- s/\f//g;
- return $_ unless $esc;
- # translate more troff escapes
- s/\\e/&\#92;/g; # escape character
- # turn quoted strings that look like info names into links
- # tacky...
- while (/(\\\*Q)([A-Za-z0-9\-\.]+)(\\\*U)/) {
- $_ = $` . anchor($2) . "$'";
- }
- while (/(\"info )([A-Za-z0-9\-\.]+)/) {
- $_ = "$`\"info " . anchor($2) . "$'";
- }
- # tranlate more troff escapes and strings
- s/\\\*Q/<em>/g;
- s/\\\*U/<\/em>/g;
- s/\\fI/<em>/g;
- s/\\fR/<\/em><\/em>/g;
- s/\\fB/<strong>/g;
- s/\\fP/<\/strong><\/em>/g;
- s/\\\*\(bF/<strong>/g; # bold font
- s/\\\*\(pF/<\/strong><\/em>/g; # pica font
- s/\\\*\(nF/<\/strong><\/em>/g; # normal font
- s/\\\*\(iF/<em>/g; # italic font
- s/\\\(mu/x/g; # multiply symbol
- s/\\ / /g; # non breaking space
- return $_;
-}