#!/usr/local/bin/perl
# view_man.cgi
# Display a single manual page

require './man-lib.pl';
&ReadParse();
&ui_print_header(undef, $text{'man_title'}, "");

if (&has_command($config{'man2html_path'})) {
	$ocmd = $in{'sec'} ? $config{'list_cmd_sect'}
			   : $config{'list_cmd'};
	}
else {
	$ocmd = $in{'sec'} ? $config{'man_cmd_sect'}
			   : $config{'man_cmd'};
	}
if ($config{'strip_letters'}) {
	$in{'sec'} =~ s/^(\d+).*$/$1/;
	}
&set_manpath($in{'opts'});
foreach $page ($in{'page'}, lc($in{'page'})) {
	$qpage = quotemeta($page);
	$qsec = quotemeta($in{'sec'});
	$cmd = $ocmd;
	$cmd =~ s/PAGE/$qpage/;
	$cmd =~ s/SECTION/$qsec/;
	$out = &backquote_command("$cmd 2>&1", 1);
	if ($out !~ /^.*no manual entry/i && $out !~ /^.*no entry/i &&
	    $out !~ /^.*nothing appropriate/i) {
		# Found it
		$found++;
		last;
		}
	}
if (!$found) {
	print "<p><b>",&text('man_noentry', "<tt>$in{'page'}</tt>"),
	      "</b><p>\n";
	}
else {
	if (&has_command($config{'man2html_path'})) {
		$out =~ s/ .*//;
		$out =~ s/\n//;
		if( $out =~ /^.*\.gz/i ) {
			$cmd = "gunzip -c";
			}
		elsif ($out =~ /^.*\.(bz2|bz)/i) {
			$cmd = "bunzip2 -c";
			}
		else {
			$cmd = "cat";
			}
		$qout = quotemeta($out);
		$manout = &backquote_command("$config{'man2html_path'} -v 2>&1", 1);
		if ($manout =~ /Version:\s+([0-9\.]+)/i && $1 >= 3) {
			# New version uses a different syntax!
			$cmd .= " $qout | nroff -mman | $config{'man2html_path'} --cgiurl \"view_man.cgi?page=\\\${title}&sec=\\\${section}&opts=$in{'opts'}\" --bare";
			$out = &backquote_command("$cmd 2>&1", 1);
			}
		else {
			# Old version of man2html
			$cmd .= " $qout | $config{'man2html_path'} -H \"\" -M \"view_man.cgi\"";
			$out = &backquote_command("$cmd 2>&1", 1);
			$out =~ s/^.*Content-type:.*\n//i;
			$out =~ s/http:\/\///ig;
			$out =~ s/\?/\?sec=/ig;
			$out =~ s/\+/&opts=$in{'opts'}&page=/ig;
			$out =~ s/<HTML>.*<BODY>//isg;
			$out =~ s/<\/HTML>//ig;
			$out =~ s/<\/BODY>//ig;
			$out =~ s/<A HREF="file:[^"]+">([^<]+)<\/a>/$1/ig;
			$out =~ s/<A HREF="view_man.cgi">/<A HREF=\"\">/i;
			}
		&show_view_table(&text('man_header', $in{'page'}, $in{'sec'}),
				 $out);
	} else {
		$out =~ s/.\010//g;
		$out =~ s/^(man:\s*)?(re)?formatting.*//i;
		$out =~ s/&/&amp;/g;
		$out =~ s/</&lt;/g;
		$out =~ s/>/&gt;/g;
		&show_view_table(&text('man_header', $in{'page'}, $in{'sec'}),
				 "<pre>$out</pre>");
		}
	}

&ui_print_footer("", $text{'index_return'});

