IkiWiki/Plugin/prettydate.pm

   1 #!/usr/bin/perl
   2 package IkiWiki::Plugin::prettydate;
   3 use IkiWiki 2.00;
   4 use warnings;
   5 no warnings 'redefine';
   6 use strict;
   7
   8 sub default_timetable {
   9         # Blanks duplicate the time before.
  10         return [
  11                 #translators: These descriptions of times of day are used
  12                 #translators: in messages like "last edited <description>".
  13                 #translators: %A is the name of the day of the week, while
  14                 #translators: %A- is the name of the previous day.
  15                 gettext("late %A- night"),                      # 12
  16                 "",                                             # 1
  17                 gettext("in the wee hours of %A- night"),       # 2
  18                 "",                                             # 3
  19                 "",                                             # 4
  20                 gettext("terribly early %A morning"),           # 5
  21                 "",                                             # 6
  22                 gettext("early %A morning"),                    # 7
  23                 "",                                             # 8
  24                 "",                                             # 9
  25                 gettext("mid-morning %A"),                      # 10
  26                 gettext("late %A morning"),                     # 11
  27                 gettext("at lunch time on %A"),                 # 12
  28                 "",                                             # 1
  29                 gettext("%A afternoon"),                        # 2
  30                 "",                                             # 3
  31                 "",                                             # 4
  32                 gettext("late %A afternoon"),                   # 5
  33                 gettext("%A evening"),                          # 6
  34                 "",                                             # 7
  35                 gettext("late %A evening"),                     # 8
  36                 "",                     # 9                     # 9
  37                 gettext("%A night"),                            # 10
  38                 "",                                             # 11
  39         ];
  40 }
  41
  42 sub import { #{{{
  43         hook(type => "getsetup", id => "prettydate", call => \&getsetup);
  44         hook(type => "checkconfig", id => "prettydate", call => \&checkconfig);
  45 } # }}}
  46
  47 sub getsetup () { #{{{
  48         return
  49                 prettydateformat => {
  50                         type => "string",
  51                         example => '%X, %B %o, %Y',
  52                         description => "format to use to display date",
  53                         advanced => 1,
  54                         safe => 1,
  55                         rebuild => 1,
  56                 },
  57                 timetable => {
  58                         type => "internal",
  59                         description => "array of time descriptions",
  60                         safe => 1,
  61                         rebuild => 1,
  62                 },
  63 } #}}}
  64
  65 sub checkconfig () { #{{{
  66         if (! defined $config{prettydateformat} ||
  67             $config{prettydateformat} eq '%c') {
  68                 $config{prettydateformat}='%X, %B %o, %Y';
  69         }
  70
  71         if (! ref $config{timetable}) {
  72                 $config{timetable}=default_timetable();
  73         }
  74
  75         # Fill in the blanks.
  76         for (my $h=0; $h < 24; $h++) {
  77                 if (! length $config{timetable}[$h]) {
  78                         $config{timetable}[$h] = $config{timetable}[$h - 1];
  79                 }
  80         }
  81 } #}}}
  82
  83 sub IkiWiki::displaytime ($;$) { #{{{
  84         my $time=shift;
  85         my $format=shift;
  86         if (! defined $format) {
  87                 $format=$config{prettydateformat};
  88         }
  89
  90         eval q{use Date::Format};
  91         error($@) if $@;
  92
  93         my @t=localtime($time);
  94         my ($h, $m, $wday)=@t[2, 1, 6];
  95         my $t;
  96         if ($h == 16 && $m < 30) {
  97                 $t = gettext("at teatime on %A");
  98         }
  99         elsif (($h == 0 && $m < 30) || ($h == 23 && $m > 50)) {
 100                 # well, at 40 minutes it's more like the martian timeslip..
 101                 $t = gettext("at midnight");
 102         }
 103         elsif (($h == 12 && $m < 15) || ($h == 11 && $m > 50)) {
 104                 $t = gettext("at noon on %A");
 105         }
 106         # TODO: sunrise and sunset, but to be right I need to do it based on
 107         # lat and long, and calculate the appropriate one for the actual
 108         # time of year using Astro::Sunrise. Not tonight, it's wee hours
 109         # already..
 110         else {
 111                 $t = $config{timetable}[$h];
 112                 if (! length $t) {
 113                         $t = "sometime";
 114                 }
 115         }
 116
 117         $t=~s{\%A-}{my @yest=@t; $yest[6]--; strftime("%A", \@yest)}eg;
 118
 119         $format=~s/\%X/$t/g;
 120         return strftime($format, \@t);
 121 } #}}}
 122
 123 1