X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/44dbddb624a00ce72a8120c07e545d060273fc72..29b407ddf91b653e6e8380f73e221628a392376f:/charset.plp

diff --git a/charset.plp b/charset.plp
index 5358a37..6d60e27 100644
--- a/charset.plp
+++ b/charset.plp
@@ -131,6 +131,7 @@ sub tabinput {
 
 	if (not defined $params) {
 		state $INHERIT = {
+			'ascii'       => ['' => '0-127'],
 			'cp437'       => ['cp850' => 0, 'ascii' => '0-31+128'], # ascii range overridden later
 			'gsm0338'     => ['ascii' => '0-127'],
 			'dingbats'    => ['' => '32-127+160'],
@@ -238,18 +239,18 @@ sub tabinput {
 		elsif ($param =~ m{ \A cols = (\d+) \z }x) {
 			$row{cols} = $1;
 		}
-		elsif ($param =~ m{ \A (?<offset> \d+) (?: [-] (?<endpoint> \d+) )? \z }x) {
+		elsif ($param =~ m{ \A (?<start> \d+) (?: [-] (?<end> \d+) )? \z }x) {
 			if (defined $row{endpoint}) {
 				# extend earlier range
-				my $skip = int(($row{endpoint} || $row{offset}) / $row{cols});
-				for ($skip + 1 .. ($+{offset} / $row{cols}) - 1) {
-					$row{skip}->{ $_ * $row{cols} - $row{offset} }++;
+				my $skip = int(($row{endpoint} || $row{startpoint}) / $row{cols});
+				for ($skip + 1 .. ($+{start} / $row{cols}) - 1) {
+					$row{skip}->{ $_ * $row{cols} - $row{startpoint} }++;
 				}
 			}
 			else {
-				$row{offset} = $+{offset};
+				$row{startpoint} = $+{start};
 			}
-			$row{endpoint} = $+{endpoint} || 0;
+			$row{endpoint} = $+{end} || 0;
 		}
 		else {
 			Alert("Unknown option <q>$param</q> for charset $input");
@@ -268,24 +269,22 @@ sub tabinput {
 		$row{endpoint} = $end - $start;
 		$row{set} = sprintf 'Unicode block U+%02Xxx', $start >> 8;
 		$row{offset} = $start % 256;
+		$row{startpoint} = 0;
 	}
 	elsif (lc $input eq 'uu') {
 		$row{set} = 'Unicode planes';
 		$row{cell} = do 'charset-ucplanes.inc.pl'
 			or Alert('Table data could not be read', $@ || $!);
-		$row{endpoint} = 1023 * $row{cell}->{colsize};
+		$row{endpoint} ||= 1023;
 	}
 	elsif (lc $input eq 'u') {
 		$row{cell} = do 'charset-unicode.inc.pl'
 			or Alert('Table data could not be read', $@ || $!);
 
 		$row{endpoint} ||= 8191;
-		$row{endpoint}  *= $row{cell}->{colsize};
-		$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' :
+			$row{startpoint} <  0x1000 && $row{endpoint} < 0x1000 ? 'BMP' :
+			$row{startpoint} >= 0x1000 && $row{endpoint} < 0x2000 ? 'SMP' :
 			'allocations'
 		);
 	}
@@ -296,6 +295,7 @@ sub tabinput {
 		$row{endpoint} = 255;
 	}
 	elsif ($row{set} = Encode::resolve_alias($input)) {
+		$row{offset} = delete $row{startpoint};
 		$row{endpoint} ||= 255;
 		if ($row{set} eq 'MacHebrew' or $row{set} eq 'MacThai') {
 			# array of possibly multiple characters per code point
@@ -363,7 +363,7 @@ sub range_cell {
 	$len /= $colsize;
 	$name //= $len <= 2 ? 'res' : 'reserved';
 
-	if (my $part = $offset/$colsize % $cols) {
+	if (my $part = ($offset/$colsize - $info->{startpoint}) % $cols) {
 		# continued row
 		my $rest = $cols - $part;  # remaining
 		$rest = $len if $len < $rest; #TODO: optimise
@@ -423,7 +423,7 @@ 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 = $row->{startpoint} || 0;
+	my $offset = $row->{startpoint} * $colsize || 0;
 
 	printf '<div class="section"><table class="glyphs%s">', !$row->{cell} && ' charmap';
 	my $title = $row->{set};
@@ -437,7 +437,7 @@ for my $row (@request) {
 		print "\n";
 	}
 	print '<tbody>';
-	while ($offset < $row->{endpoint}) {
+	while ($offset < $row->{endpoint} * $colsize) {
 		if ($row->{skip}->{$offset}) {
 			$offset += $cols * $colsize;
 			next;