From: Mischa POSLAWSKY <perl@shiar.org>
Date: Wed, 11 Feb 2015 22:01:46 +0000 (+0100)
Subject: writing: highlight cells according to unicode version
X-Git-Tag: v1.7~168
X-Git-Url: http://git.shiar.nl/sheet.git/commitdiff_plain/a605211aaba5d956789c1d30c09a55494858d086

writing: highlight cells according to unicode version
---

diff --git a/Shiar_Sheet/FormatChar.pm b/Shiar_Sheet/FormatChar.pm
index a3f4cc9..6b5fb6c 100644
--- 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 '') {
diff --git a/digits.plp b/digits.plp
index f688d05..1031151 100644
--- a/digits.plp
+++ b/digits.plp
@@ -29,7 +29,7 @@ my $glyphs = Shiar_Sheet::FormatChar->new;
 unless (exists $get{v}) {
 	$glyphs->{unicode}--;
 	$glyphs->{anno}  = [];
-	$glyphs->{style} = 0;
+	$glyphs->{style} = 'univer';
 }
 
 my $scriptname = do 'writing-script.inc.pl';
diff --git a/writing.plp b/writing.plp
index c430bbd..8ea9a0c 100644
--- a/writing.plp
+++ b/writing.plp
@@ -32,7 +32,7 @@ my $glyphs = Shiar_Sheet::FormatChar->new;
 unless (exists $get{v}) {
 	$glyphs->{unicode}--;
 	$glyphs->{anno}  = [];
-	$glyphs->{style} = 0;
+	$glyphs->{style} = 'univer';
 }
 
 my $scriptname = do 'writing-script.inc.pl';
@@ -60,3 +60,14 @@ for (
 
 <hr>
 
+<div class="legend">
+	<table class="glyphs"><tr>
+	<td class="X l5">unicode 1.1
+	<td class="X l4">20th century
+	<td class="X l3">in 6.0 (2010)
+	<td class="X l2">recent assignments
+	<td class="X l1">proposed
+	<td class="ex">irregular
+	</table>
+</div>
+