From: Mischa POSLAWSKY <perl@shiar.org>
Date: Sat, 8 Apr 2017 20:40:50 +0000 (+0200)
Subject: charset: unicode preset with all blocks and planes
X-Git-Tag: v1.10~203
X-Git-Url: http://git.shiar.nl/sheet.git/commitdiff_plain/64823813136c216d4bfcf7df302983ffe408b5f7

charset: unicode preset with all blocks and planes

Support unicode table offsets and width option to display all data.
---

diff --git a/charset.plp b/charset.plp
index f26b7bd..54e3b45 100644
--- a/charset.plp
+++ b/charset.plp
@@ -61,6 +61,7 @@ print join " •\n", (
 		cyrillic => 0,
 		hebrew   => 0,
 	],
+	[ uc => 'Unicode' ],
 );
 :>.
 </p>
@@ -77,6 +78,7 @@ sub tabinput {
 
 	state $ALIAS = {
 		default    => [qw( unicode+0-639 utf-8 iso-8859-1 iso-8859-15 cp1252 cp437 cp850 )],
+		uc         => [qw( U++ unicode+0-4095 unicode+4096-6319  unicode+6320-8191 )],
 		us         => [qw( cp437 cp863 gsm0338 AdobeStandardEncoding )],
 		ebcdic     => [qw( cp37 cp500 cp1047 posix-bc cp1026 cp875 )],
 		iso        => [map {"iso-8859-$_"} 1 .. 11, 13 .. 16],
@@ -219,7 +221,8 @@ sub tabinput {
 		}
 		$visible->{$_} //= 0 for $row{parent} || ();
 	}
-	else {
+
+	if (length $params) {
 		# manual option to double table width
 		$row{cols} *= 2 if $params =~ s/[+]\z//;
 	}
@@ -257,15 +260,21 @@ sub tabinput {
 		$row{set} = 'Unicode planes';
 		$row{cell} = do 'charset-ucplanes.inc.pl'
 			or Alert('Table data could not be read', $@ || $!);
-		$row{cols} *= 2;
 		$row{endpoint} = 1023 * $row{cell}->{colsize};
 	}
 	elsif ($row{set} = Encode::resolve_alias($input)) {
 		if ($row{set} eq 'Internal') {
-			$row{set} = 'Unicode BMP';
 			$row{cell} = do 'charset-unicode.inc.pl'
 				or Alert('Table data could not be read', $@ || $!);
-			$row{endpoint} = ($endpoint || 8191) * $row{cell}->{colsize};
+
+			$row{endpoint  } = $row{cell}->{colsize} * ($endpoint || 8191);
+			$row{startpoint} = $row{cell}->{colsize} * $row{offset};
+			$row{offset} = 0;
+			$row{set} = 'Unicode ' . (
+				$row{startpoint} <  0x10000 && $row{endpoint} < 0x10000 ? 'BMP' :
+				$row{startpoint} >= 0x10000 && $row{endpoint} < 0x20000 ? 'SMP' :
+				'allocations'
+			);
 		}
 		elsif ($row{set} eq 'utf-8-strict') {
 			$row{set} = 'UTF-8';
@@ -380,7 +389,7 @@ for my $row (@request) {
 	my $coldigits = ceil(log($colsize * $cols) / log(16));  # uniform length of hexadecimal header
 	my $rowdiv = 16 ** $coldigits;  # row divide for column digits
 	$rowdiv = 1 if $rowdiv != $cols * $colsize;  # divide only if all columns are matched
-	my $offset = 0;
+	my $offset = $row->{startpoint} || 0;
 
 	printf '<div class="section"><table class="glyphs%s">', !$row->{cell} && ' charmap';
 	my $title = $row->{set};