X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/67ae97362cec317f2cfc3ae97f9d3810f70d615c..c133e6ad3027e095811931f3e0d21b818865e0e8:/tools/mkdigraphs-rfc

diff --git a/tools/mkdigraphs-rfc b/tools/mkdigraphs-rfc
index ab03a42..3e280a9 100755
--- a/tools/mkdigraphs-rfc
+++ b/tools/mkdigraphs-rfc
@@ -1,11 +1,61 @@
 #!/usr/bin/env perl
-
+use 5.010;
 use strict;
 use warnings;
 use utf8;
 use open OUT => ':utf8', ':std';
-
-our $VERSION = '1.00';
+use charnames ':full';
+use Data::Dump 'pp';
+
+our $VERSION = '1.01';
+
+# translation table for deprecated code points
+my %replace = (
+	(map {$_ => 0} 0xE000 .. 0xE03F),  # omit by default if unspecified
+	0xE001 => 0,  # /c join lines: not accepted
+	0xE002 => "\N{EM QUAD}",  # UA unit space A
+		#> ISO-IR 008-1: unit spaces A in position 4/0 and B in
+		#> position 6/0 are fixed length spaces whereby UA ≥ UB.
+		#> […] The lengths of UA and UB are determined by the user.
+	0xE003 => "\N{EN QUAD}",  # UB unit space B
+#	0xE004 => "\N{COMBINING DIAERESIS}",  # "3 combining umlaut, unified with diaeresis
+#	0xE005 => "\N{COMBINING GREEK DIALYTIKA TONOS}",  # "1 combining diaeresis+accent, unspecified
+	0xE006 => "\N{COMBINING GRAVE ACCENT}",  # "! combining grave
+	0xE007 => "\N{COMBINING ACUTE ACCENT}",  # "' combining acute
+	0xE008 => "\N{COMBINING CIRCUMFLEX ACCENT}",  # "> combining circumflex
+	0xE009 => "\N{COMBINING TILDE}",  # "? combining tilde
+	0xE00A => "\N{COMBINING MACRON}",  # "- combining macron
+	0xE00B => "\N{COMBINING BREVE}",  # "( combining breve
+	0xE00C => "\N{COMBINING DOT ABOVE}",  # ". combining dot above
+	0xE00D => "\N{COMBINING DIAERESIS}",  # ": combining diaeresis
+	0xE00E => "\N{COMBINING RING ABOVE}",  # "0 combining ring above
+	0xE00F => "\N{COMBINING DOUBLE ACUTE ACCENT}",  # "" combining double accute (sic)
+	0xE010 => "\N{COMBINING CARON}",  # "< combining caron
+	0xE011 => "\N{COMBINING CEDILLA}",  # ", combining cedilla
+	0xE012 => "\N{COMBINING OGONEK}",  # "; combining ogonek
+	0xE013 => "\N{COMBINING LOW LINE}",  # "_ combining low line
+	0xE014 => "\N{COMBINING DOUBLE LOW LINE}",  # "= combining double low line
+	0xE015 => "\N{COMBINING LONG SOLIDUS OVERLAY}",  # "/ combining long solidus
+	0xE016 => "\N{COMBINING GREEK YPOGEGRAMMENI}",  # "i combining greek iota below
+	0xE017 => "\N{COMBINING REVERSED COMMA ABOVE}",  # "d combining greek dasia pneumata
+	0xE018 => "\N{COMBINING COMMA ABOVE}",  # "p combining greek psili pneumata
+	0xE019 => "\N{GREEK DASIA}",  # ;; greek dasia pneumata
+	0xE01A => "\N{GREEK PSILI}",  # ,, greek psili pneumata
+	0xE01B => "\N{GREEK BETA SYMBOL}",  # b3 middle beta = curled beta?
+	0xE01C => "\N{WHITE CIRCLE}",  # Ci circle
+	0xE01D => "\N{LATIN SMALL LETTER F WITH HOOK}",  # f( function sign
+	0xE01E => "\N{LATIN SMALL LETTER EZH}",  # ed ezh
+	0xE01F => "\N{SQUARE AM}",  # am, compatibility char
+	0xE020 => "\N{SQUARE PM}",  # pm, compatibility char
+	0xE021 => "\N{TELEPHONE SIGN}",  # Tel, compatibility char
+	0xE022 => "\N{ARABIC LETTER ALEF FINAL FORM}",  # a+: final alef compatibility
+#	0xE023 => "\N{LATIN SMALL LETTER F WITH HOOK}",  # Fl dutch guilder, unified with function sign, obsolete
+#	0xE024 => "\N{GREEK CAPITAL LETTER GAMMA}",  # GF gamma function sign, unified with letter
+	0xE025 => "\N{COMBINING RIGHT ARROW ABOVE}",  # >V combining(?) rightwards vector above; also U+20D1
+	0xE026 => "\N{GREEK VARIA}",  # !* greek varia
+	0xE027 => "\N{GREEK PERISPOMENI}",  # ?* greek perispomeni
+	0xE028 => "J\N{COMBINING CARON}",  # J< J-caron = uppercase U+01F0, no single character
+);
 
 # expect input data source at command line
 @ARGV or die "Specify input source file or - for STDIN\n";
@@ -14,9 +64,10 @@ our $VERSION = '1.00';
 do {
 	$_ = readline;
 	defined or die "Premature input end";
-} until /^\s\S/;
+} until s/^\s(?=\S)//;
 
-my @t = $_;  # add first line (already read, assume it's ok)
+chomp;
+my @line = $_;  # add first line (already read, assume it's ok)
 
 # read the rest of the character table
 while ($_ = readline) {
@@ -27,78 +78,31 @@ while ($_ = readline) {
 	next unless s/^ //;
 	chomp;
 
-	# add the line to @t
+	# append line contents
 	if (s/^ {15}/ /) {
 		# continuation line (add to last entry)
-		$t[-1] .= $_;
+		$line[-1] .= $_;
 	}
 	else {
 		# add a new entry
-		push @t, $_;
+		push @line, $_;
 	}
 }
 
-# create a hash of desired input
-my %di;
-for (@t) {
-	my ($mnem, $char, $name) = split / +/, $_, 3;
-	next if length $mnem != 2;
-	$di{$mnem} = hex $char;
-}
-
-# XXX
-my %trans = (
-	0xE001 => 0,  # join lines: not accepted
-	0xE004 => 0,  # umlaut is no different from diaeresis 0x0308
-	0xE005 => 0x0344, # discouraged
-	0xE006 => 0x0300,
-	0xE007 => 0x0301,
-	0xE008 => 0x0302,
-	0xE009 => 0x0303,
-	0xE00A => 0x0304,
-	0xE00B => 0x0306,
-	0xE00C => 0x0307,
-	0xE00D => 0x0308,
-	0xE00E => 0x030A,
-	0xE00F => 0x030B,
-	0xE010 => 0x030C,
-	0xE011 => 0x0327,
-	0xE012 => 0x0328,
-	0xE013 => 0x0332,
-	0xE014 => 0x0333,
-	0xE015 => 0x0338,
-	0xE016 => 0x0345,
-	0xE017 => 0x0314,
-	0xE018 => 0x0313,
-	0xE019 => 0x1FFE,
-	0xE01A => 0x1FBF,
-	0xE01B => 0x03D0,  # middle beta = curled beta?
-	0xE01C => 0x25CB,
-	0xE01D => 0x0192,
-	0xE01E => 0x0292,
-	0xE01F => 0x33C2,  # am, compatibility char
-	0xE020 => 0x33D8,  # pm, compatibility char
-	0xE021 => 0x2121,
-	0xE022 => 0xFE8E,
-	0xE023 => 0,  # dutch guilder 0192 is already encoded, and not very useful anyway
-	0xE024 => 0x0393,
-	0xE025 => 0x20D7,  # also 20D1; non-spacing
-	0xE026 => 0x1FEF,
-	0xE027 => 0x1FC0,
-	0xE028 => 0x01F0, #but uppercase
-);
-for (values %di) {
-	$_ >= 0xE000 or next;
-	$_ = $trans{$_} if defined $trans{$_};
-}
-
 # output perl code of hash
 # (assume no backslashes or curlies, so we can just q{} w/o escaping)
-print "# automatically generated by $0\n";
-print "use utf8;\n";
-print "+{\n";
-printf "q{%s}=>%s,\n", $_, $di{$_} for sort keys %di;
-print "}\n";
+say "# automatically generated by $0";
+say 'use utf8;';
+say '+{';
+for (@line) {
+	my ($mnem, $chrhex, $name) = split / +/, $_, 3;
+	next if length $mnem != 2;
+	my $chrnum = hex $chrhex;
+	my $chr = $replace{$chrnum} // chr $chrnum or next;
+	my $chrstr = pp $chr;
+	say "q{$mnem} => $chrstr, # $name";
+}
+say '}';
 
 __END__