IkiWiki/Plugin/relativedate.pm

   1 #!/usr/bin/perl
   2 package IkiWiki::Plugin::relativedate;
   3
   4 use warnings;
   5 no warnings 'redefine';
   6 use strict;
   7 use IkiWiki 3.00;
   8 use POSIX ();
   9 use Encode;
  10
  11 sub import {
  12         add_underlay("javascript");
  13         hook(type => "getsetup", id => "relativedate", call => \&getsetup);
  14         hook(type => "format", id => "relativedate", call => \&format);
  15         inject(name => "IkiWiki::displaytime", call => \&mydisplaytime);
  16 }
  17
  18 sub getsetup () {
  19         return
  20                 plugin => {
  21                         safe => 1,
  22                         rebuild => 1,
  23                 },
  24 }
  25
  26 sub format (@) {
  27         my %params=@_;
  28
  29         if (! ($params{content}=~s!^(<body[^>]*>)!$1.include_javascript($params{page})!em)) {
  30                 # no <body> tag, probably in preview mode
  31                 $params{content}=include_javascript(undef).$params{content};
  32         }
  33         return $params{content};
  34 }
  35
  36 sub include_javascript ($) {
  37         my $from=shift;
  38
  39         return '<script src="'.urlto("ikiwiki/ikiwiki.js", $from).
  40                 '" type="text/javascript" charset="utf-8"></script>'."\n".
  41                 '<script src="'.urlto("ikiwiki/relativedate.js", $from).
  42                 '" type="text/javascript" charset="utf-8"></script>';
  43 }
  44
  45 sub mydisplaytime ($;$$) {
  46         my $time=shift;
  47         my $format=shift;
  48         my $pubdate=shift;
  49
  50         # This needs to be in a form that can be parsed by javascript.
  51         # (Being fairly human readable is also nice, as it will be exposed
  52         # as the title if javascript is not available.)
  53         my $lc_time=POSIX::setlocale(&POSIX::LC_TIME);
  54         POSIX::setlocale(&POSIX::LC_TIME, "C");
  55         my $gmtime=decode_utf8(POSIX::strftime("%a, %d %b %Y %H:%M:%S %z",
  56                         localtime($time)));
  57         POSIX::setlocale(&POSIX::LC_TIME, $lc_time);
  58
  59         my $mid=' class="relativedate" title="'.$gmtime.'">'.
  60                 IkiWiki::formattime($time, $format);
  61
  62         if ($config{html5}) {
  63                 return '<time datetime="'.IkiWiki::date_3339($time).'"'.
  64                         ($pubdate ? ' pubdate="pubdate"' : '').$mid.'</time>';
  65         }
  66         else {
  67                 return '<span'.$mid.'</span>';
  68         }
  69 }
  70
  71 1