- (djm) Convert mandoc manpages to man automatically. Patch from Mark D.
Roth <roth+openssh@feep.net>
diff --git a/mdoc2man.pl b/mdoc2man.pl
new file mode 100644
index 0000000..f2d7945
--- /dev/null
+++ b/mdoc2man.pl
@@ -0,0 +1,364 @@
+#!/usr/bin/perl
+###
+### Quick usage: mdoc2man.pl < mdoc_manpage.8 > man_manpage.8
+###
+###
+### Copyright (c) 2001 University of Illinois Board of Trustees
+### Copyright (c) 2001 Mark D. Roth
+### All rights reserved.
+###
+### Redistribution and use in source and binary forms, with or without
+### modification, are permitted provided that the following conditions
+### are met:
+### 1. Redistributions of source code must retain the above copyright
+### notice, this list of conditions and the following disclaimer.
+### 2. Redistributions in binary form must reproduce the above copyright
+### notice, this list of conditions and the following disclaimer in the
+### documentation and/or other materials provided with the distribution.
+### 3. All advertising materials mentioning features or use of this software
+### must display the following acknowledgement:
+### This product includes software developed by the University of
+### Illinois at Urbana, and their contributors.
+### 4. The University nor the names of their
+### contributors may be used to endorse or promote products derived from
+### this software without specific prior written permission.
+###
+### THIS SOFTWARE IS PROVIDED BY THE TRUSTEES AND CONTRIBUTORS ``AS IS'' AND
+### ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+### IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+### ARE DISCLAIMED. IN NO EVENT SHALL THE TRUSTEES OR CONTRIBUTORS BE LIABLE
+### FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+### DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+### OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+### HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+### LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+### OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+### SUCH DAMAGE.
+###
+
+use strict;
+
+my ($name, $date, $id);
+my ($line);
+my ($optlist, $nospace, $enum, $synopsis);
+
+
+$optlist = 0; ### 1 = bullet, 2 = enum, 3 = tag
+$nospace = 0;
+$synopsis = 0;
+
+while ($line = <STDIN>)
+{
+ if ($line !~ /^\./)
+ {
+ print $line;
+ next;
+ }
+
+ $line =~ s/^\.//;
+
+ next
+ if ($line =~ m/\\"/);
+
+ $line = ParseMacro($line);
+ print($line)
+ if (defined $line);
+}
+
+
+
+sub ParseMacro # ($line)
+{
+ my ($line) = @_;
+ my (@words, $retval, $option, $parens, $arg);
+
+ @words = split(/\s+/, $line);
+ $retval = '';
+ $option = 0;
+ $parens = 0;
+ $arg = 0;
+
+# print('@words = ', scalar(@words), ': ', join(' ', @words), "\n");
+
+ while ($_ = shift @words)
+ {
+# print "WORD: $_\n";
+
+ next
+ if (/^(Li|Pf|X[oc])$/);
+
+ if (/^Ns/)
+ {
+ $nospace = 1
+ if (! $nospace);
+ $retval =~ s/ $//;
+ next;
+ }
+
+ if (/^No/)
+ {
+ $retval =~ s/ $//;
+ $retval .= shift @words;
+ next;
+ }
+
+ if (/^Dq$/) {
+ $retval .= '``' . (shift @words) . '\'\'';
+ $nospace = 1
+ if (! $nospace && $words[0] =~ m/^[\.,]/);
+ next;
+ }
+
+ if (/^(Sq|Ql)$/) {
+ $retval .= '`' . (shift @words) . '\'';
+ $nospace = 1
+ if (! $nospace && $words[0] =~ m/^[\.,]/);
+ next;
+ }
+
+ $retval .= ' '
+ if (! $nospace && $retval ne '' && $retval !~ m/[\n ]$/);
+ $nospace = 0
+ if ($nospace == 1);
+
+ if (/^Dd$/) {
+ $date = join(' ', @words);
+ return undef;
+ }
+
+ if (/^Dt$/) {
+ $id = join(' ', @words);
+ return undef;
+ }
+
+ if (/^Os$/) {
+ $retval .= '.TH '
+ . $id
+ . " \"$date\" \""
+ . join(' ', @words)
+ . "\"";
+ last;
+ }
+
+ if (/^Sh$/) {
+ $retval .= '.SH';
+ if ($words[0] eq 'SYNOPSIS')
+ {
+ $synopsis = 1;
+ }
+ else
+ {
+ $synopsis = 0;
+ }
+ next;
+ }
+
+ if (/^Xr$/) {
+ $retval .= '\\fB' . (shift @words) .
+ '\\fR(' . (shift @words) . ')'
+ . (shift @words);
+ last;
+ }
+
+ if (/^Nm$/) {
+ $name = shift @words
+ if (@words > 0);
+ $retval .= ".br\n"
+ if ($synopsis);
+ $retval .= "\\fB$name\\fR";
+ $nospace = 1
+ if (! $nospace && $words[0] =~ m/^[\.,]/);
+ next;
+ }
+
+ if (/^Nd$/) {
+ $retval .= '\\-';
+ next;
+ }
+
+ if (/^Fl$/) {
+ $retval .= '\\fB\\-' . (shift @words) . '\\fR';
+ $nospace = 1
+ if (! $nospace && $words[0] =~ m/^[\.,]/);
+ next;
+ }
+
+ if (/^Ar$/) {
+ $retval .= '\\fI';
+ if (! defined $words[0])
+ {
+ $retval .= 'file ...\\fR';
+ }
+ $arg = 1;
+ $nospace = 1
+ if (! $nospace);
+ next;
+ }
+
+ if (/^Cm$/) {
+ $retval .= '\\fB' . (shift @words) . '\\fR';
+ next;
+ }
+
+ if (/^Op$/) {
+ $option = 1;
+ $nospace = 1
+ if (! $nospace);
+ $retval .= '[';
+ next;
+ }
+
+ if (/^Oo$/) {
+ $retval .= "[\\c\n";
+ next;
+ }
+
+ if (/^Oc$/) {
+ $retval .= ']';
+ next;
+ }
+
+ if (/^Pp$/) {
+ if ($optlist) {
+ $retval .= "\n";
+ } else {
+ $retval .= '.LP';
+ }
+ next;
+ }
+
+ if (/^Ss$/) {
+ $retval .= '.SS';
+ next;
+ }
+
+ if (/^Pa$/ && ! $option) {
+ $retval .= '\\fI';
+ $retval .= '\\&'
+ if ($words[0] =~ m/^\./);
+ $retval .= (shift @words) . '\\fR';
+ $nospace = 1
+ if (! $nospace && $words[0] =~ m/^[\.,]/);
+ next;
+ }
+
+ if (/^Dv$/) {
+ $retval .= '.BR';
+ next;
+ }
+
+ if (/^(Em|Ev)$/) {
+ $retval .= '.IR';
+ next;
+ }
+
+ if (/^Pq$/) {
+ $retval .= '(';
+ $nospace = 1;
+ $parens = 1;
+ next;
+ }
+
+ if (/^(S[xy])$/) {
+ $retval .= '.B ' . join(' ', @words);
+ last;
+ }
+
+ if (/^Ic$/)
+ {
+ $retval .= '\\fB';
+ while (defined $words[0]
+ && $words[0] !~ m/^[\.,]/)
+ {
+ $retval .= shift @words;
+ $retval .= ' '
+ if (! $nospace);
+ }
+ $retval =~ s/ $//;
+ $retval .= '\\fR';
+ $retval .= shift @words
+ if (defined $words[0]);
+ last;
+ }
+
+ if (/^Bl$/) {
+ if ($words[0] eq '-bullet') {
+ $optlist = 1;
+ } elsif ($words[0] eq '-enum') {
+ $optlist = 2;
+ $enum = 0;
+ } elsif ($words[0] eq '-tag') {
+ $optlist = 3;
+ }
+ last;
+ }
+
+ if (/^El$/) {
+ $optlist = 0;
+ next;
+ }
+
+ if ($optlist && /^It$/) {
+ if ($optlist == 1) {
+ # bullets
+ $retval .= '.IP \\(bu';
+ next;
+ }
+
+ if ($optlist == 2) {
+ # enum
+ $retval .= '.IP ' . (++$enum) . '.';
+ next;
+ }
+
+ if ($optlist == 3) {
+ # tags
+ $retval .= ".TP\n";
+ if ($words[0] =~ m/^(Pa|Ev)$/)
+ {
+ shift @words;
+ $retval .= '.B';
+ }
+ next;
+ }
+
+ next;
+ }
+
+ if (/^Sm$/) {
+ if ($words[0] eq 'off') {
+ $nospace = 2;
+ } elsif ($words[0] eq 'on') {
+ $retval .= "\n";
+ $nospace = 0;
+ }
+ shift @words;
+ next;
+ }
+
+ $retval .= "$_";
+ }
+
+ return undef
+ if ($retval eq '.');
+
+ $retval =~ s/^\.([^a-zA-Z])/$1/;
+ $retval =~ s/ $//;
+
+ $retval .= ')'
+ if ($parens == 1);
+
+ $retval .= ']'
+ if ($option == 1);
+
+ $retval .= '\\fR'
+ if ($arg);
+
+ $retval .= '\\c'
+ if ($nospace && $retval ne '' && $retval !~ m/\n$/);
+
+ $retval .= "\n"
+ if ($retval ne '' && $retval !~ m/\n$/);
+
+ return $retval;
+}