149 lines
3.0 KiB
Perl
149 lines
3.0 KiB
Perl
#!/usr/bin/perl
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package IkiWiki::Plugin::postsparkline;
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use warnings;
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use strict;
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use IkiWiki 3.00;
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sub import {
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IkiWiki::loadplugin('sparkline');
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hook(type => "getsetup", id => "postsparkline", call => \&getsetup);
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hook(type => "preprocess", id => "postsparkline", 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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if (! exists $params{max}) {
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$params{max}=100;
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}
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if (! exists $params{pages}) {
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return "";
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}
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my $deptype;
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if (! exists $params{time} || $params{time} ne 'mtime') {
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$params{timehash} = \%IkiWiki::pagectime;
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# need to update when pages are added or removed
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$deptype = deptype("presence");
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}
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else {
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$params{timehash} = \%IkiWiki::pagemtime;
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# need to update when pages are changed
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$deptype = deptype("content");
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}
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if (! exists $params{formula}) {
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error gettext("missing formula")
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}
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my $formula=$params{formula};
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$formula=~s/[^a-zA-Z0-9]*//g;
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$formula=IkiWiki::possibly_foolish_untaint($formula);
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if (! length $formula ||
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! IkiWiki::Plugin::postsparkline::formula->can($formula)) {
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error gettext("unknown formula");
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}
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my @list=sort { $params{timehash}->{$b} <=> $params{timehash}->{$a} }
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pagespec_match_list($params{page}, $params{pages},
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deptype => $deptype,
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limit => sub { $_[0] ne $params{page} },
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);
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my @data=eval qq{IkiWiki::Plugin::postsparkline::formula::$formula(\\\%params, \@list)};
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if ($@) {
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error $@;
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}
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if (! @data) {
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# generate an empty graph
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push @data, 0 foreach 1..($params{max} / 2);
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}
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my $color=exists $params{color} ? "($params{color})" : "";
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delete $params{pages};
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delete $params{formula};
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delete $params{ftime};
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delete $params{color};
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return IkiWiki::Plugin::sparkline::preprocess(%params,
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map { $_.$color => "" } reverse @data);
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}
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sub perfoo ($@) {
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my $sub=shift;
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my $params=shift;
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my $max=$params->{max};
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my ($first, $prev, $cur);
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my $count=0;
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my @data;
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foreach (@_) {
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$cur=$sub->($params->{timehash}->{$_});
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if (defined $prev) {
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if ($prev != $cur) {
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push @data, "$prev,$count";
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$count=0;
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last if --$max <= 0;
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for ($cur+1 .. $prev-1) {
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push @data, "$_,0";
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last if --$max == 0;
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}
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}
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}
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else {
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$first=$cur;
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}
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$count++;
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$prev=$cur;
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}
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return @data;
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}
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package IkiWiki::Plugin::postsparkline::formula;
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sub peryear (@) {
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return IkiWiki::Plugin::postsparkline::perfoo(sub {
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return (localtime $_[0])[5];
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}, @_);
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}
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sub permonth (@) {
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return IkiWiki::Plugin::postsparkline::perfoo(sub {
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my ($month, $year)=(localtime $_[0])[4,5];
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return $year*12+$month;
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}, @_);
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}
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sub perday (@) {
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return IkiWiki::Plugin::postsparkline::perfoo(sub {
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my ($year, $yday)=(localtime $_[0])[5,7];
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return $year*365+$yday;
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}, @_);
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}
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sub interval ($@) {
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my $params=shift;
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my $max=$params->{max};
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my @data;
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for (my $i=1; $i < @_; $i++) {
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push @data, $params->{timehash}->{$_[$i-1]} - $params->{timehash}->{$_[$i]};
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last if --$max <= 0;
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}
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return @data;
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}
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1
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