(no commit message)

[git.ikiwiki.info.git] / IkiWiki / Plugin / linkmap.pm

diff --git a/IkiWiki/Plugin/linkmap.pm b/IkiWiki/Plugin/linkmap.pm
index 356306e84a14189526be7090d2fbfb224fc2bfba..9540bd112f397cd5cd98e89eb54572737aefa839 100644 (file)
--- a/IkiWiki/Plugin/linkmap.pm
+++ b/IkiWiki/Plugin/linkmap.pm
@@ -3,27 +3,31 @@ package IkiWiki::Plugin::linkmap;
 
 use warnings;
 use strict;
-use IkiWiki;
+use IkiWiki 3.00;
 use IPC::Open2;
 
-sub import { #{{{
-       IkiWiki::hook(type => "preprocess", id => "linkmap",
-               call => \&preprocess);
-       IkiWiki::hook(type => "format", id => "linkmap",
-               call => \&format);
-} # }}}
+sub import {
+       hook(type => "getsetup", id => "linkmap", call => \&getsetup);
+       hook(type => "preprocess", id => "linkmap", call => \&preprocess);
+       hook(type => "format", id => "linkmap", call => \&format);
+}
+
+sub getsetup () {
+       return
+               plugin => {
+                       safe => 1,
+                       rebuild => undef,
+               },
+}
 
 my $mapnum=0;
 my %maps;
 
-sub preprocess (@) { #{{{
+sub preprocess (@) {
        my %params=@_;
+
        $params{pages}="*" unless defined $params{pages};
        
-       # Needs to update whenever a page is added or removed, so
-       # register a dependency.
-       IkiWiki::add_depends($params{page}, $params{pages});
-       
        # Can't just return the linkmap here, since the htmlscrubber
        # scrubs out all <object> tags (with good reason!)
        # Instead, insert a placeholder tag, which will be expanded during
@@ -31,60 +35,53 @@ sub preprocess (@) { #{{{
        $mapnum++;
        $maps{$mapnum}=\%params;
        return "<div class=\"linkmap$mapnum\"></div>";
-} # }}}
+}
 
-sub format (@) { #{{{
+sub format (@) {
         my %params=@_;
 
        $params{content}=~s/<div class=\"linkmap(\d+)"><\/div>/genmap($1)/eg;
 
         return $params{content};
-} # }}}
+}
 
-sub genmap ($) { #{{{
+sub genmap ($) {
        my $mapnum=shift;
        return "" unless exists $maps{$mapnum};
        my %params=%{$maps{$mapnum}};
 
        # Get all the items to map.
-       my %mapitems = ();
-       foreach my $item (keys %IkiWiki::links) {
-               if (IkiWiki::pagespec_match($item, $params{pages})) {
-                       my $link=IkiWiki::htmlpage($item);
-                       $link=IkiWiki::abs2rel($link, IkiWiki::dirname($params{page}));
-                       $mapitems{$item}=$link;
-               }
-       }
+       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.
-       IkiWiki::writefile("$params{page}.png", $IkiWiki::config{destdir}, "");
+       will_render($params{page}, $dest);
+       writefile($dest, $config{destdir}, "");
 
        # Run dot to create the graphic and get the map data.
-       # TODO: should really add the png to renderedfiles and call
-       # check_overwrite, but currently renderedfiles
-       # only supports listing one file per page.
-       my $tries=10;
        my $pid;
-       while (1) {
-               eval {
-                       $pid=open2(*IN, *OUT, "dot /dev/stdin -Tpng -o '$IkiWiki::config{destdir}/$params{page}.png' -Tcmapx");
-               };
-               last unless $@;
-               $tries--;
-               if ($tries < 1) {
-                       return "failed to run dot: $@";
-               }
-       }
+       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};
        foreach my $item (keys %mapitems) {
                print OUT "\"$item\" [shape=box,href=\"$mapitems{$item}\"];\n";
-               foreach my $link (map { IkiWiki::bestlink($item, $_) } @{$IkiWiki::links{$item}}) {
+               foreach my $link (map { bestlink($item, $_) } @{$links{$item}}) {
                        print OUT "\"$item\" -> \"$link\";\n"
                                if $mapitems{$link};
                }
@@ -93,14 +90,17 @@ sub genmap ($) { #{{{
        close OUT;
 
        local $/=undef;
-       my $ret="<object data=\"".
-               IkiWiki::abs2rel("$params{page}.png", IkiWiki::dirname($params{page})).
-               "\" type=\"image/png\" usemap=\"#linkmap$mapnum\">\n".
-                <IN>.
-                "</object>";
+       my $ret="<object data=\"".urlto($dest, $params{destpage}).
+              "\" type=\"image/png\" usemap=\"#linkmap$mapnum\">\n".
+               <IN>.
+               "</object>";
        close IN;
+       
        waitpid $pid, 0;
+       $SIG{PIPE}="DEFAULT";
+       error gettext("failed to run dot") if $sigpipe;
+
        return $ret;
-} #}}}
+}
 
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