X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/7ffd70c8bf485c8c0777899c792d68ef9ed58436..017f784142bc2a77d8e283dc61ff6306e556387d:/charset.inc.pl

diff --git a/charset.inc.pl b/charset.inc.pl
new file mode 100644
index 0000000..020cb2d
--- /dev/null
+++ b/charset.inc.pl
@@ -0,0 +1,59 @@
+use 5.014;
+use warnings;
+use utf8;
+
++{
+	%{ Data('./charset-encoding') },
+
+	''             => {setup => sub {
+		my $row = shift;
+		$row->{offset} = delete $row->{startpoint};
+		$row->{set} = 'Unicode characters';
+		my $block = $row->{offset} >> 8;
+		$row->{endpoint} ||= ($block + 1 << 8) - 1;
+		$block == ($row->{endpoint} >> 8) or undef $block;
+
+		$row->{table} = join '', map { chr =~ s/\A\p{Unassigned}\z/�/r }
+			$row->{offset} .. $row->{endpoint};
+		utf8::upgrade($row->{table});  # prevent latin1 output
+
+		$row->{endpoint} -= $row->{offset};
+
+		if (defined $block) {
+			$row->{set} = sprintf 'Unicode block U+%02Xxx', $block;
+			$row->{offset} %= 0x100;
+		}
+
+		return $row;
+	}},
+	u              => {setup => sub {
+		my $row = shift;
+		state $celldata = eval { Data('charset-unicode') }
+			or Alert('Table data could not be read', ref $@ && $@->[1]);
+		$row->{cell} = $celldata;
+
+		$row->{endpoint} ||= 0x1FFF;
+		$row->{set} = 'Unicode ' . (
+			$row->{startpoint} <  0x1000 && $row->{endpoint} < 0x1000 ? 'BMP' :
+			$row->{startpoint} >= 0x1000 && $row->{endpoint} < 0x2000 ? 'SMP' :
+			'allocations'
+		);
+		return $row;
+	}},
+	uu             => {setup => sub {
+		my $row = shift;
+		$row->{cell} = eval { Data('charset-ucplanes') }
+			or Alert('Table data could not be read', ref $@ && $@->[1]);
+		$row->{endpoint} ||= 0x3FF;
+		$row->{set} = 'Unicode planes';
+		return $row;
+	}},
+	utf8           => {setup => sub {
+		my $row = shift;
+		$row->{set} = 'UTF-8';
+		$row->{cell} = eval { Data('charset-utf8') }
+			or Alert('Table data could not be read', ref $@ && $@->[1]);
+		return $row;
+	}},
+	'utf-8'        => 'utf8',
+};