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#!/usr/bin/perl
# cpan.cgi
# Display known perl modules and categories
$trust_unknown_referers = 1;
require './cpan-lib.pl';
&ReadParse();
# re-fetch modules list if non-existant or it timeout has expired
@st = $packages_file;
$now = time();
if (!-r $packages_file ||
$st[9]+$config{'refresh_days'}*24*60*60 < $now) {
&download_packages_file();
}
# Read the modules list
open(LIST, "gunzip -c $packages_file |");
while(<LIST>) {
s/\r|\n//g;
if ($_ eq '') { $found_blank++; }
elsif ($found_blank && /^(\S+)\s+(\S+)\s+(.*)/) {
#next if ($donefile{$3}++);
$mod = $1; $ver = $2;
next if ($mod eq 'about');
local @mod = split(/::/, $mod);
if (@mod > 1) {
local @cat = @mod[0 .. $#mod-1];
if (!$donecat{join("::", @cat)}++) {
push(@mods, { 'name' => \@cat,
'cat' => 1 } );
}
}
push(@mods, { 'name' => \@mod,
'full' => $mod,
'ver' => $ver eq 'undef' ? '' : $ver } );
}
}
close(LIST);
# Show page header and selection javascript
@sel = grep { /^[a-z0-9\-\_\:\.]+$/i } split(/\0/, $in{'sel'});
&popup_header($text{'cpan_title'});
print <<EOF;
<script>
function sel(m)
{
window.opener.ifield.value = m;
window.close();
return false;
}
</script>
</head><body bgcolor=#$bgcolor link=#$link vlink=#$link text=#$text>
EOF
if ($in{'search'}) {
# Search for modules matching some name
print "<b>",&text('cpan_match',
"<tt>".&html_escape($in{'search'})."</tt>"),"</b><p>\n";
print &ui_columns_start(undef, 100, 1);
foreach $m (@mods) {
if (!$m->{'cat'} && $m->{'full'} =~ /\Q$in{'search'}\E/i) {
$name = join("::",@{$m->{'name'}});
print &ui_columns_row([
"<a href='' onClick='sel(\"$name\")'>".
"<img src=images/mod.gif border=0></a>",
"<a href='' onClick='sel(\"$name\")'>".
&html_escape($name)."</a>",
&html_escape($m->{'ver'}),
]);
$matches++;
}
}
print &ui_columns_end();
print "$text{'cpan_none'}<br>\n" if (!$matches);
}
else {
# Show module tree
if (@sel) {
print "<b>",&text('cpan_sel', join("::",@sel)),"</b><p>\n";
}
else {
# Show search form
print &ui_form_start("cpan.cgi");
print &ui_submit($text{'cpan_search'});
print &ui_textbox("search", undef, 20),&ui_form_end();
}
print &ui_columns_start(undef, 100, 1);
if (@sel) {
# Link to up one level
local @up = @sel[0..$#sel-1];
print &ui_columns_row([
"<a href='cpan.cgi?".
join("&",map { "sel=$_" } @up),"#",join("::",@sel).
"'><img src=images/cat.gif border=0></a>",
"<a href='cpan.cgi?".
join("&",map { "sel=$_" } @up)."#".
join("::",@sel)."'>..</a>",
""
]);
}
MOD: foreach $m (@mods) {
for($i=0; $i<@sel; $i++) {
next MOD if ($sel[$i] ne $m->{'name'}->[$i]);
}
next if (scalar(@sel) != scalar(@{$m->{'name'}}-1));
$name = join("::",@{$m->{'name'}});
$pars = join("&",map { "sel=$_" } @{$m->{'name'}});
print "<tr>\n";
if ($m->{'cat'}) {
# A category which can be opened
print &ui_columns_row([
"<a name=$name><a href='cpan.cgi?$pars'>".
"<img src=images/cat.gif border=0></a>",
"<a href='cpan.cgi?$pars'>".
&html_escape($name)."</a>",
""
]);
}
else {
# A module
print &ui_columns_row([
"<a href='' onClick='sel(\"$name\")'>".
"<img src=images/mod.gif border=0></a>",
"<a href='' onClick='sel(\"$name\")'>".
&html_escape($name)."</a>",
&html_escape($m->{'ver'}),
], [ undef, undef, "align=right" ]);
}
}
print &ui_columns_end();
}
&popup_footer();
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