151 lines
3.6 KiB
Perl
151 lines
3.6 KiB
Perl
#!/usr/bin/perl
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#
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# Produce a hierarchical map of links.
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#
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# by Alessandro Dotti Contra <alessandro@hyboria.org>
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#
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# Revision: 0.2
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package IkiWiki::Plugin::map;
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use warnings;
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use strict;
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use IkiWiki 2.00;
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sub import { #{{{
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hook(type => "getsetup", id => "map", call => \&getsetup);
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hook(type => "preprocess", id => "map", call => \&preprocess);
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} # }}}
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sub getsetup () { #{{{
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return
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plugin => {
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safe => 1,
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rebuild => undef,
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},
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} #}}}
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sub preprocess (@) { #{{{
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my %params=@_;
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$params{pages}="*" unless defined $params{pages};
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my $common_prefix;
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# Get all the items to map.
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my %mapitems;
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foreach my $page (keys %pagesources) {
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if (pagespec_match($page, $params{pages}, location => $params{page})) {
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if (exists $params{show} &&
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exists $pagestate{$page} &&
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exists $pagestate{$page}{meta}{$params{show}}) {
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$mapitems{$page}=$pagestate{$page}{meta}{$params{show}};
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}
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else {
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$mapitems{$page}='';
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}
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# Check for a common prefix.
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if (! defined $common_prefix) {
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$common_prefix=$page;
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}
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elsif (length $common_prefix &&
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$page !~ /^\Q$common_prefix\E(\/|$)/) {
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my @a=split(/\//, $page);
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my @b=split(/\//, $common_prefix);
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$common_prefix="";
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while (@a && @b && $a[0] eq $b[0]) {
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if (length $common_prefix) {
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$common_prefix.="/";
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}
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$common_prefix.=shift(@a);
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shift @b;
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}
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}
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}
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}
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# Common prefix should not be a page in the map.
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while (defined $common_prefix && length $common_prefix &&
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exists $mapitems{$common_prefix}) {
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$common_prefix=IkiWiki::dirname($common_prefix);
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}
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# Needs to update whenever a page is added or removed (or in some
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# cases, when its content changes, if show=title), so register a
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# dependency.
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add_depends($params{page}, $params{pages});
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# Explicitly add all currently shown pages, to detect when pages
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# are removed.
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add_depends($params{page}, join(" or ", keys %mapitems));
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# Create the map.
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my $parent="";
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my $indent=0;
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my $openli=0;
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my $dummy=0;
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my $map = "<div class='map'>\n<ul>\n";
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foreach my $item (sort keys %mapitems) {
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my @linktext = (length $mapitems{$item} ? (linktext => $mapitems{$item}) : ());
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$item=~s/^\Q$common_prefix\E\///
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if defined $common_prefix && length $common_prefix;
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my $depth = ($item =~ tr/\//\//) + 1;
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my $baseitem=IkiWiki::dirname($item);
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print STDERR "!! parent: $parent baseitem: $baseitem\n";
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while (length $parent && length $baseitem && $baseitem !~ /^\Q$parent\E(\/|$)/) {
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$parent=IkiWiki::dirname($parent);
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last if !$dummy && length $parent && $baseitem =~ /^\Q$parent\E(\/|$)/;
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$indent--;
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$map .= "</li>\n";
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if ($indent > 0) {
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$map .= "</ul>\n";
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}
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}
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$dummy=0;
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while ($depth < $indent) {
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$indent--;
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$map .= "</li>\n";
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if ($indent > 0) {
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$map .= "</ul>\n";
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}
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}
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my @bits=split("/", $item);
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my $p="";
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$p.="/".shift(@bits) for 1..$indent;
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while ($depth > $indent) {
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$indent++;
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if ($indent > 1) {
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$map .= "<ul>\n";
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}
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if ($depth > $indent) {
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$p.="/".shift(@bits);
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#$p=~s/^\///;
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$map .= "<li>"
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.htmllink($params{page}, $params{destpage},
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"/".$common_prefix.$p, class => "mapparent",
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noimageinline => 1)
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."\n";
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$openli=1;
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$dummy=1;
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}
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else {
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$openli=0;
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}
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}
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$map .= "</li>\n" if $openli;
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$map .= "<li>"
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.htmllink($params{page}, $params{destpage},
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"/".$common_prefix."/".$item,
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@linktext,
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class => "mapitem", noimageinline => 1)
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."\n";
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$openli=1;
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$parent=$item;
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}
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while ($indent > 0) {
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$indent--;
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$map .= "</li>\n</ul>\n";
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}
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$map .= "</div>\n";
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return $map;
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} # }}}
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1
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