/usr/share/perl5/IkiWiki/Plugin/sparkline.pm is in ikiwiki 3.20141016.4.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 | #!/usr/bin/perl
package IkiWiki::Plugin::sparkline;
use warnings;
use strict;
use IkiWiki 3.00;
use IPC::Open2;
my $match_num=qr/[-+]?[0-9]+(?:\.[0-9]+)?/;
my %locmap=(
top => 'TEXT_TOP',
right => 'TEXT_RIGHT',
bottom => 'TEXT_BOTTOM',
left => 'TEXT_LEFT',
);
sub import {
hook(type => "getsetup", id => "sparkline", call => \&getsetup);
hook(type => "preprocess", id => "sparkline", call => \&preprocess);
}
sub getsetup () {
return
plugin => {
safe => 1,
rebuild => undef,
section => "widget",
},
}
sub preprocess (@) {
my %params=@_;
my $php;
my $style=(exists $params{style} && $params{style} eq "bar") ? "Bar" : "Line";
$php=qq{<?php
require_once('sparkline/Sparkline_$style.php');
\$sparkline = new Sparkline_$style();
\$sparkline->SetDebugLevel(DEBUG_NONE);
};
foreach my $param (qw{BarWidth BarSpacing YMin YMaz}) {
if (exists $params{lc($param)}) {
$php.=qq{\$sparkline->Set$param(}.int($params{lc($param)}).qq{);\n};
}
}
my $c=0;
while (@_) {
my $key=shift;
my $value=shift;
if ($key=~/^($match_num)(?:,($match_num))?(?:\(([a-z]+)\))?$/) {
$c++;
my ($x, $y);
if (defined $2) {
$x=$1;
$y=$2;
}
else {
$x=$c;
$y=$1;
}
if ($style eq "Bar" && defined $3) {
$php.=qq{\$sparkline->SetData($x, $y, '$3');\n};
}
else {
$php.=qq{\$sparkline->SetData($x, $y);\n};
}
}
elsif (! length $value) {
error gettext("parse error")." \"$key\"";
}
elsif ($key eq 'featurepoint') {
my ($x, $y, $color, $diameter, $text, $location)=
split(/\s*,\s*/, $value);
if (! defined $diameter || $diameter < 0) {
error gettext("invalid featurepoint diameter");
}
$x=int($x);
$y=int($y);
$color=~s/[^a-z]+//g;
$diameter=int($diameter);
$text=~s/[^-a-zA-Z0-9]+//g if defined $text;
if (defined $location) {
$location=$locmap{$location};
if (! defined $location) {
error gettext("invalid featurepoint location");
}
}
$php.=qq{\$sparkline->SetFeaturePoint($x, $y, '$color', $diameter};
$php.=qq{, '$text'} if defined $text;
$php.=qq{, $location} if defined $location;
$php.=qq{);\n};
}
}
if ($c eq 0) {
error gettext("missing values");
}
my $height=int($params{height} || 20);
if ($height < 2 || $height > 100) {
error gettext("invalid height value");
}
if ($style eq "Bar") {
$php.=qq{\$sparkline->Render($height);\n};
}
else {
if (! exists $params{width}) {
error gettext("missing width parameter");
}
my $width=int($params{width});
if ($width < 2 || $width > 1024) {
error gettext("invalid width value");
}
$php.=qq{\$sparkline->RenderResampled($width, $height);\n};
}
$php.=qq{\$sparkline->Output();\n?>\n};
# Use the sha1 of the php code that generates the sparkline as
# the base for its filename.
eval q{use Digest::SHA};
error($@) if $@;
my $fn=$params{page}."/sparkline-".
IkiWiki::possibly_foolish_untaint(Digest::SHA::sha1_hex($php)).
".png";
will_render($params{page}, $fn);
if (! -e "$config{destdir}/$fn") {
my $pid;
my $sigpipe=0;
$SIG{PIPE}=sub { $sigpipe=1 };
$pid=open2(*IN, *OUT, "php");
# open2 doesn't respect "use open ':utf8'"
binmode (OUT, ':utf8');
print OUT $php;
close OUT;
my $png;
{
local $/=undef;
$png=<IN>;
}
close IN;
waitpid $pid, 0;
$SIG{PIPE}="DEFAULT";
if ($sigpipe || ! defined $png) {
error gettext("failed to run php");
}
if (! $params{preview}) {
writefile($fn, $config{destdir}, $png, 1);
}
else {
# in preview mode, embed the image in a data uri
# to avoid temp file clutter
eval q{use MIME::Base64};
error($@) if $@;
return "<img src=\"data:image/png;base64,".
encode_base64($png)."\" />";
}
}
return '<img src="'.urlto($fn, $params{destpage}).'" alt="graph" />';
}
1
|