From 4e623379ca2ba5c502395234ab6ab9a8950eb256 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@derf.homelinux.org>
Date: Thu, 1 Jan 2009 20:51:39 +0100
Subject: tibtoa: Added matrix (.8Xm) support

---
 bin/tibtoa | 90 ++++++++++++++++++++++++++++++++++++++++----------------------
 1 file changed, 58 insertions(+), 32 deletions(-)

(limited to 'bin')

diff --git a/bin/tibtoa b/bin/tibtoa
index 7511756..18fb865 100755
--- a/bin/tibtoa
+++ b/bin/tibtoa
@@ -650,8 +650,8 @@ sub header_size($) {
 	$size->{full} = ord(substr($header, 70, 1)) + 255 * ord(substr($header, 71, 1));
 	given(header_type($header)) {
 		when('matrix') {
-			$size->{rows} = ord(substr($header, 72, 1));
-			$size->{cols} = ord(substr($header, 73, 1));
+			$size->{cols} = ord(substr($header, 72, 1));
+			$size->{rows} = ord(substr($header, 73, 1));
 		}
 		when('program') {
 			$size->{source} = ord(substr($header, 72, 1)) + 255 * ord(substr($header, 73, 1));
@@ -695,37 +695,63 @@ if ($opts{h}) {
 
 
 # And now, the actual file content
-while($offset < $length) {
-	$char = ord(substr($program, $offset++, 1));
-	if (exists($all{$char})) {
-		$out = $all{$char};
-	} elsif (exists($special->{$char})) {
-		$char2 = ord(substr($program, $offset++, 1));
-		$out = $special->{$char}->{$char2};
-	} else {
-		printf STDERR (
-			"Unknown byte 0x%02x at offset %d\n",
-			$char,
-			$offset - 1,
-		);
-		$out = chr($char);
-	}
-	if ($opts{i}) {
-		if ($out =~ /Then|While|Repeat|For/) {
-			$indent++;
-		} elsif ($out =~ /Else/) {
-			$rindent--;
-		} elsif ($out =~ /End/) {
-			$indent--;
-			$rindent--;
+if (header_type($header) eq 'program') {
+	while($offset < $length) {
+		$char = ord(substr($program, $offset++, 1));
+		if (exists($all{$char})) {
+			$out = $all{$char};
+		} elsif (exists($special->{$char})) {
+			$char2 = ord(substr($program, $offset++, 1));
+			$out = $special->{$char}->{$char2};
+		} else {
+			printf STDERR (
+				"Unknown byte 0x%02x at offset %d\n",
+				$char,
+				$offset - 1,
+			);
+			$out = chr($char);
+		}
+		if ($opts{i}) {
+			if ($out =~ /Then|While|Repeat|For/) {
+				$indent++;
+			} elsif ($out =~ /Else/) {
+				$rindent--;
+			} elsif ($out =~ /End/) {
+				$indent--;
+				$rindent--;
+			}
+		}
+		$cache .= $out;
+		if ($out eq "\n") {
+			print "\t" x $rindent;
+			$rindent = $indent;
+			print $cache;
+			$cache = '';
 		}
 	}
-	$cache .= $out;
-	if ($out eq "\n") {
-		print "\t" x $rindent;
-		$rindent = $indent;
-		print $cache;
-		$cache = '';
+	print $cache;
+} elsif (header_type($header) eq 'matrix') {
+	my ($step, $exp, $digit);
+	my $i = 0;
+	while ($offset+9 <= $length) {
+		$i++;
+		$digit = '';
+		$exp = ord(substr($program, ++$offset, 1)) - 128;
+		for(1 .. 7) {
+			$char = ord(substr($program, ++$offset, 1));
+			$digit .= $char >> 4;
+			if ($_ == 1) {
+				$digit .= '.';
+			}
+			$digit .= $char & 0x0f;
+		}
+		$offset++;
+		printf('%-8s', $digit * (10 ** $exp));
+		if ($i == header_size($header)->{cols}) {
+			print "\n";
+			$i = 0;
+		} else {
+			print ' | ';
+		}
 	}
 }
-print $cache;
-- 
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