keyboard: move includes to subdirectory
[sheet.git] / keyboard / altgr / groups.inc.pl
diff --git a/keyboard/altgr/groups.inc.pl b/keyboard/altgr/groups.inc.pl
new file mode 100644 (file)
index 0000000..4b72d08
--- /dev/null
@@ -0,0 +1,42 @@
+use strict;
+use warnings;
+use Unicode::Normalize qw( NFKD );
+use Text::Unidecode qw( unidecode );
+
+our %rows;
+my %g; # present group classes
+{
+       rows => [0, 1],
+       def => {
+               '' => {
+                       map {
+                               my $v = $rows{$_};
+                               my $class = (
+                                         !defined $v || $_ eq $v ? 1 # identical
+                                       : $v =~ /\A\p{Mn}+\z/ ? 9 # combining accent
+                                       : $v =~ /\A[\p{Sk}\p{Lm}]+\z/ ? 8 # modifier symbol
+                                       : $v =~ /\A[\pM\pP]+\z/ ? 7 # mark
+                                       : NFKD($v) =~ /\Q$_/ ? 2 # decomposed equivalent
+                                       : unidecode($v) =~ /\Q$_\E+/i ? 4 # transliterated
+                                       : $v =~ /^\p{Latin}/ ? 5 # latin script
+                                       : 6
+                               );
+                               $g{$class} = 1;
+                               $_ => "g$class"
+                       } keys %rows
+               },
+       },
+       key => \%rows,
+       flag => {
+               g1 => ['unaltered', "same results as without modifier"],
+               g2 => ['accented', "decomposes to the original letter with a combining accent"],
+               g4 => ['similar', "transliterates (mostly) into the unmodified letter"],
+               g5 => ['latin', "a different (accented) latin letter"],
+               g6 => ['symbol', "other character not directly deducible from key"],
+               g7 => ['punctuation', "(punctuation) mark"],
+                       !$g{9} ? () : (
+               g8 => ['mark', "modifier letter or mark (spacing diacritic)"],
+               g9 => ['combining', "diacritical mark to be combined with a following character"],
+                       ),
+       },
+}