writing: highlight cells according to unicode version

[sheet.git] / Shiar_Sheet / FormatChar.pm

diff --git a/Shiar_Sheet/FormatChar.pm b/Shiar_Sheet/FormatChar.pm
index a3f4cc9c3725bdee642fecceb91ae5b79c1b29ca..6b5fb6c175829c64241f82e0d094549188a7b6f7 100644 (file)
--- a/Shiar_Sheet/FormatChar.pm
+++ b/Shiar_Sheet/FormatChar.pm
@@ -1,5 +1,6 @@
 package Shiar_Sheet::FormatChar;
 
+use 5.010;
 use strict;
 use warnings;
 
@@ -70,7 +71,7 @@ sub cell {
                push @class, 'u-invalid';
                $cell = '';
        }
-       else {
+       else {{
                push @class, 'X';
 
                if ($input =~ s/^-//) {
@@ -80,6 +81,30 @@ sub cell {
                $input =~ s/^\\//;  # escaped char
                ($cell, $title, my $class, $mnem, $entity) = $self->glyphs_html($input);
 
+               if ($self->{style} eq 'univer') {
+                       state $agemap = do 'unicode-age.inc.pl' or die $!;
+                       my $version = $agemap->{ord $input};
+                       if (!$version) {
+                               push @class, 'l1';  # no known unicode assignment
+                       }
+                       elsif ($version < 20) {
+                               push @class, 'l5';  # first release 1993
+                       }
+                       elsif ($version < 31) {
+                               push @class, 'l4';  # 20th century
+                       }
+                       elsif ($version < 50) {
+                               push @class, 'l4';  # over 10 years ago
+                       }
+                       elsif ($version < 61) {
+                               push @class, 'l3';  # before 2012
+                       }
+                       else {
+                               push @class, 'l2';  # more recent
+                       }
+                       next;
+               }
+
                if ($self->{style} eq 'di') {
                        if ($class =~ /\bu-di\b/) {
                                push @class, ('l3', 'u-di'); # standard digraph
@@ -109,7 +134,7 @@ sub cell {
                else {
                        push @class, 'l1'; # basic unicode
                }
-       }
+       }}
 
        my $anno = '';
        if ($cell ne '') {