use IPC::Open2;
sub import { #{{{
+ hook(type => "getsetup", id => "graphviz", call => \&getsetup);
hook(type => "preprocess", id => "graph", call => \&graph);
} # }}}
+sub getsetup () { #{{{
+ return
+ plugin => {
+ safe => 1,
+ rebuild => undef,
+ },
+} #}}}
+
my %graphviz_programs = (
"dot" => 1, "neato" => 1, "fdp" => 1, "twopi" => 1, "circo" => 1
);
$pid=open2(*IN, *OUT, "$params{prog} -Tpng");
# open2 doesn't respect "use open ':utf8'"
- binmode (IN, ':utf8');
binmode (OUT, ':utf8');
print OUT $src;
waitpid $pid, 0;
$SIG{PIPE}="DEFAULT";
- return "[[graph ".gettext("failed to run graphviz")."]]" if ($sigpipe);
+ error gettext("failed to run graphviz") if $sigpipe;
if (! $params{preview}) {
writefile($dest, $config{destdir}, $png, 1);
}
}
- return "<img src=\"".urlto($dest, $params{page})."\" />\n";
+ if ($params{preview}) {
+ return "<img src=\"".urlto($dest, "")."\" />\n";
+ }
+ else {
+ return "<img src=\"".urlto($dest, $params{destpage})."\" />\n";
+ }
} #}}}
sub graph (@) { #{{{
$params{src} = "" unless defined $params{src};
$params{type} = "digraph" unless defined $params{type};
$params{prog} = "dot" unless defined $params{prog};
- return "[[graph ".gettext("prog not a valid graphviz program")."]]" unless $graphviz_programs{$params{prog}};
+ error gettext("prog not a valid graphviz program") unless $graphviz_programs{$params{prog}};
return render_graph(%params);
} # }}}