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w3m/scripts/w3mman/w3mman2html.cgi.in

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#!@PERL@
$MAN = $ENV{'W3MMAN_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;
$ENV{'PAGER'} = 'cat';
if ($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"}) && (! $query{"local"})) {
if ($query{"keyword"}) {
$keyword = $query{"keyword"};
$k = &html_quote($keyword);
if ($query{"section"}) {
$section = $query{"section"};
$sectionopt = "-s $section ";
} else {
$sectionopt = "";
}
print <<EOF;
Content-Type: text/html
<html>
<head><title>man $sectionopt-k $k</title></head>
<body>
<h2>man $sectionopt-k <b>$k</b></h2>
<ul>
EOF
$keyword =~ s:([^-\w\200-\377.,])::g;
open(F, "$MAN $sectionopt -k $keyword 2> /dev/null |");
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;
}
if ($query{"local"}) {
$file = $query{"local"};
if (! ($file =~ /^\//)) {
$file = $query{"pwd"} . '/' . $file;
}
open(F, "GROFF_NO_SGR=1 MAN_KEEP_FORMATTING=1 $MAN $file 2> /dev/null |");
} else {
$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\200-\377.,])::g;
$man =~ s:([^-\w\200-\377.,])::g;
open(F, "GROFF_NO_SGR=1 MAN_KEEP_FORMATTING=1 $MAN $section $man 2> /dev/null |");
}
$ok = 0;
undef $header;
$blank = -1;
$cmd = "";
$prev = "";
while(<F>) {
if (! defined($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/\&/\&amp;/g;
s/\</\&lt;/g;
s/\>/\&gt;/g;
# non ASCII UTF-8 codepoint
my $utf8="[\300-\337][\200-\277]|[\340-\357][\200-\277]{2}|[\360-\367][\200-\277]{3}|[\370-\373][\200-\277]{4}|[\374\375][\200-\277]{5}";
s@($utf8)(\010\1)+@<b>$1</b>@g;
s@(\&\w+;|.)(\010\1)+@<b>$1</b>@g;
s@_\010((\<b\>)?($utf8)(\</b\>)?)@<u>$1</u>@g;
s@_\010((\<b\>)?(\&\w+\;|.)(\</b\>)?)@<u>$1</u>@g;
s@((\<b\>)?($utf8)(\</b\>)?)\010_@<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@\b(mailto:|)(\w[\w.\-]*\@\w[\w.\-]*\.[\w.\-]*\w)@<a href="mailto:$2">$1$2</a>@g;
s@(\W)(\~?/[\w.][\w.\-/~]*)@$1 . &file_ref($2)@ge;
s@(include(<\/?[bu]\>|\s)*\&lt;)([\w.\-/]+)@$1 . &include_ref($3)@ge;
if ($prev && m@^\s*(\<[bu]\>)*(\w[\w.\-]*)(\</[bu]\>)*(\([\dm]\w*\))@) {
$cmd .= "$2$4";
$prev =~ s@(\w[\w.\-]*-)((\</[bu]\>)*\s*)$@<a href="$CGI?$cmd">$1</a>$2@;
print $prev;
$prev = '';
s@^(\s*(\<[bu]\>)*)(\w[\w.\-]*)@@;
print "$1<a href=\"$CGI?$cmd\">$3</a>";
} elsif ($prev) {
print $prev;
$prev = '';
}
s@(\w[\w.\-]*)((\</[bu]\>)*)(\([\dm]\w*\))@<a href="$CGI?$1$4">$1</a>$2$4@g;
if (m@(\w[\w.\-]*)-(\</[bu]\>)*\s*$@) {
$cmd = $1;
$prev = $_;
next;
}
print;
}
if ($prev) {
print $prev;
}
close(F);
if (! $ok) {
if ($query{'quit'}) {
if ($query{'local'}) {
print STDERR "File $file not found.\n";
} else {
print STDERR "No manual entry for $man_section.\n";
}
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 $man_section</title></head>
<body>
<pre>
EOF
if ($query{'local'}) {
print "File <B>$file</B> not found.\n";
} else {
print "No manual entry for <B>$man_section</B>.\n";
}
}
print <<EOF;
</pre>
</body>
</html>
EOF
sub is_command {
local($_) = @_;
local($p);
(! -d && -x) || return 0;
if (! %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) = (
'<', '&lt;',
'>', '&gt;',
'&', '&amp;',
'"', '&quot;',
);
s/[<>&"]/$QUOTE{$&}/g;
return $_;
}
sub form_decode {
local($_) = @_;
s/\+/ /g;
s/%([\da-f][\da-f])/pack('c', hex($1))/egi;
return $_;
}
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