/usr/share/perl5/IkiWiki/Plugin/linkmap.pm is in ikiwiki 3.20160121.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 | #!/usr/bin/perl
package IkiWiki::Plugin::linkmap;
use warnings;
use strict;
use IkiWiki 3.00;
use IPC::Open2;
use HTML::Entities;
sub import {
hook(type => "getsetup", id => "linkmap", call => \&getsetup);
hook(type => "preprocess", id => "linkmap", call => \&preprocess);
}
sub getsetup () {
return
plugin => {
safe => 1,
rebuild => undef,
section => "widget",
},
}
my $mapnum=0;
sub pageescape {
my $item = shift;
# encoding explicitly in case ikiwiki is configured to accept <> or &
# in file names
my $title = pagetitle($item, 1);
# it would not be necessary to encode *all* the html entities (<> would
# be sufficient, &" probably a good idea), as dot accepts utf8, but it
# isn't bad either
$title = encode_entities($title);
return("<$title>");
}
sub preprocess (@) {
my %params=@_;
$params{pages}="*" unless defined $params{pages};
$mapnum++;
my $connected=IkiWiki::yesno($params{connected});
# Get all the items to map.
my %mapitems = map { $_ => urlto($_, $params{destpage}) }
pagespec_match_list($params{page}, $params{pages},
# update when a page is added or removed, or its
# links change
deptype => deptype("presence", "links"));
my $dest=$params{page}."/linkmap.png";
# Use ikiwiki's function to create the file, this makes sure needed
# subdirs are there and does some sanity checking.
will_render($params{page}, $dest);
writefile($dest, $config{destdir}, "");
# Run dot to create the graphic and get the map data.
my $pid;
my $sigpipe=0;
$SIG{PIPE}=sub { $sigpipe=1 };
$pid=open2(*IN, *OUT, "dot -Tpng -o '$config{destdir}/$dest' -Tcmapx");
# open2 doesn't respect "use open ':utf8'"
binmode (IN, ':utf8');
binmode (OUT, ':utf8');
print OUT "digraph linkmap$mapnum {\n";
print OUT "concentrate=true;\n";
print OUT "charset=\"utf-8\";\n";
print OUT "ratio=compress;\nsize=\"".($params{width}+0).", ".($params{height}+0)."\";\n"
if defined $params{width} and defined $params{height};
my %shown;
my $show=sub {
my $item=shift;
if (! $shown{$item}) {
print OUT pageescape($item)." [shape=box,href=\"$mapitems{$item}\"];\n";
$shown{$item}=1;
}
};
foreach my $item (keys %mapitems) {
$show->($item) unless $connected;
foreach my $link (map { bestlink($item, $_) } @{$links{$item}}) {
next unless length $link and $mapitems{$link};
foreach my $endpoint ($item, $link) {
$show->($endpoint);
}
print OUT pageescape($item)." -> ".pageescape($link).";\n";
}
}
print OUT "}\n";
close OUT || error gettext("failed to run dot");
local $/=undef;
my $ret="<img src=\"".urlto($dest, $params{destpage}).
"\" alt=\"".gettext("linkmap").
"\" usemap=\"#linkmap$mapnum\" />\n".
<IN>;
close IN || error gettext("failed to run dot");
waitpid $pid, 0;
if ($?) {
error gettext("failed to run dot");
}
$SIG{PIPE}="DEFAULT";
error gettext("failed to run dot") if $sigpipe;
return $ret;
}
1
|