#!/usr/local/bin/perl
$MAN = $ENV{'MAN'} || 'man';
$QUERY = $ENV{'QUERY_STRING'} || $ARGV[0];
$SCRIPT_NAME = $ENV{'SCRIPT_NAME'} || $0;
$CGI = "file://$SCRIPT_NAME";
$CGI2 = "file:";
# $CGI2 = "file:///\$LIB/hlink.cgi?";
$SQUEEZE = 1;
if ($QUERY =~ /\=/) {
for (split('&', $QUERY)) {
($v, $q) = split('=', $_, 2);
$query{$v} = &form_decode($q);
}
} else {
$QUERY =~ s/^man=//;
$query{"man"} = &form_decode($QUERY);
}
if (! $query{"man"}) {
if ($query{"keyword"}) {
$keyword = $query{"keyword"};
$k = &html_quote($keyword);
print <<EOF;
Content-Type: text/html
<html>
<head><title>man -k $k</title></head>
<body>
<h2>man -k <b>$k</b></h2>
<ul>
EOF
$keyword =~ s:([^\w./]):\\$1:g;
open(F, "$MAN -k $keyword 2> /dev/null |");
@line = ();
while(<F>) {
chop;
$_ = &html_quote($_);
s/(\s+-.*)$//;
$title = $1;
s@(\w[\w.\-]*(\s*\,\s*\w[\w.\-]*)*)\s*(\([\dn]\w*\))@&keyword_ref($1, $3)@ge;
print "<li>$_$title\n";
}
close(F);
print <<EOF;
</ul>
</body>
</html>
EOF
exit;
}
print <<EOF;
Content-Type: text/html
<html>
<head><title>man</title></head>
<body>
<form action="$CGI">
<table>
<tr><td>Manual:<td><input name=man>
<tr><td>Section:<td><input name=section>
<tr><td>Keyword:<td><input name=keyword>
<tr><td><td><input type=submit> <input type=reset>
</table>
</form>
</body>
</html>
EOF
exit;
}
$man = $query{"man"};
if ($man =~ s/\((\w+)\)$//) {
$section = $1;
$man_section = "$man($1)";
} elsif ($query{"section"}) {
$section = $query{"section"};
$man_section = "$man($section)";
} else {
$section = "";
$man_section = "$man";
}
$section =~ s:([^\w./]):\\$1:g;
$man =~ s:([^\w./]):\\$1:g;
open(F, "$MAN $section $man 2> /dev/null |");
$ok = 0;
undef $header;
$blank = -1;
while(<F>) {
if (! defined($header)) {
/^\s*$/ && next;
$header = $_;
$space = $header;
chop $space;
$space =~ s/\S.*//;
} elsif ($_ eq $header) { # delete header
$blank = -1;
next;
} elsif (!/\010/ && /^$space[\w\200-\377].*\s\S/o) { # delete footer
$blank = -1;
next;
}
if ($SQUEEZE) {
if (/^\s*$/) {
$blank || $blank++;
next;
} elsif ($blank) {
$blank > 0 && print "\n";
$blank = 0;
}
}
s/\&/\&/g;
s/\</\</g;
s/\>/\>/g;
s@([\200-\377].)(\010{1,2}\1)+@<b>$1</b>@g;
s@(\&\w+;|.)(\010\1)+@<b>$1</b>@g;
s@__\010{1,2}((\<b\>)?[\200-\377].(\</b\>)?)@<u>$1</u>@g;
s@_\010((\<b\>)?(\&\w+\;|.)(\</b\>)?)@<u>$1</u>@g;
s@((\<b\>)?[\200-\377].(\</b\>)?)\010{1,2}__@<u>$1</u>@g;
s@((\<b\>)?(\&\w+\;|.)(\</b\>)?)\010_@<u>$1</u>@g;
s@.\010(.)@$1@g;
s@\</b\>\</u\>\<b\>_\</b\>\<u\>\<b\>@_@g;
s@\</u\>\<b\>_\</b\>\<u\>@_@g;
s@\</u\>\<u\>@@g;
s@\</b\>\<b\>@@g;
if (! $ok) {
/^No/ && last;
print <<EOF;
Content-Type: text/html
<html>
<head><title>man $man_section</title></head>
<body>
<pre>
EOF
print;
$ok = 1;
next;
}
s@(http|ftp)://[\w.\-/~]+[\w/]@<a href="$&">$&</a>@g;
s@(\W)(mailto:)?(\w[\w.\-]*\@\w[\w.\-]*\.[\w.\-]*\w)@$1<a href="mailto:$3">$2$3</a>@g;
s@(\W)(\~?/[\w.][/\w.\-]*)@$1 . &file_ref($2)@ge;
s@(include(<\/?[bu]\>|\s)*\<)([/\w.\-]+)@$1 . &include_ref($3)@ge;
s@(\w[\w.\-]*)((\</[bu]\>)*)(\([\dm]\w*\))@<a href="$CGI?$1$4">$1</a>$2$4@g;
print;
}
close(F);
if (! $ok) {
if ($query{'quit'}) {
print STDERR "No manual entry for $man_section.\n";
print <<EOF;
w3m-control: EXIT
EOF
exit 1;
}
print <<EOF;
Content-Type: text/html
<html>
<head><title>man $man_section</title></head>
<body>
<pre>
EOF
print "No manual entry for <B>$man_section</B>.\n";
}
print <<EOF;
</pre>
</body>
</html>
EOF
sub is_command {
local($_) = @_;
local($p);
(! -d && -x) || return 0;
if (! defined(%PATH)) {
for $p (split(":", $ENV{'PATH'})) {
$p =~ s@/+$@@;
$PATH{$p} = 1;
}
}
s@/[^/]*$@@;
return defined($PATH{$_});
}
sub file_ref {
local($_) = @_;
if (&is_command($_)) {
($man = $_) =~ s@.*/@@;
return "<a href=\"$CGI?$man\">$_</a>";
}
if (/^\~/ || -f || -d) {
return "<a href=\"$CGI2$_\">$_</a>";
}
return $_;
}
sub include_ref {
local($_) = @_;
local($d);
for $d (
"/usr/include",
"/usr/local/include",
"/usr/X11R6/include",
"/usr/X11/include",
"/usr/X/include",
"/usr/include/X11"
) {
-f "$d/$_" && return "<a href=\"$CGI2$d/$_\">$_</a>";
}
return $_;
}
sub keyword_ref {
local($_, $s) = @_;
local(@a) = ();
for (split(/\s*,\s*/)) {
push(@a, "<a href=\"$CGI?$_$s\">$_</a>");
}
return join(", ", @a) . $s;
}
sub html_quote {
local($_) = @_;
local(%QUOTE) = (
'<', '<',
'>', '>',
'&', '&',
'"', '"',
);
s/[<>&"]/$QUOTE{$&}/g;
return $_;
}
sub form_decode {
local($_) = @_;
s/\+/ /g;
s/%([\da-f][\da-f])/pack('c', hex($1))/egi;
return $_;
}
