X-Git-Url: http://git.shiar.nl/sheet.git/blobdiff_plain/1e3cacf005302b9d4812fc9fe690e4e09b8a330b..7d7f1c50e63ee9882e6c538dfa2c0dfb23e2a44b:/rfc1345convert

diff --git a/rfc1345convert b/rfc1345convert
index c1b3861..d33377f 100644
--- a/rfc1345convert
+++ b/rfc1345convert
@@ -46,9 +46,56 @@ for (@t) {
 	$di{$mnem} = hex $char;
 }
 
+# personal addendums
+my @extra;
+if (-r 'shiar.inc.txt') {
+	open my $include, '<:utf8', 'shiar.inc.txt';
+	for (readline $include) {
+		m{^([!"%'-Z_a-z]{2}) (.)} or next;
+		warn("$1 already defined"), next if defined $di{$1};
+		$di{$1} = ord $2;
+		push @extra, $1;
+	}
+}
+warn $@ if $@;
+
+# optionally get unicode character information
+my %info = eval {
+	require Unicode::UCD;
+	map {
+		$_ => Unicode::UCD::charinfo($di{$_})
+			|| { block => '?', category => 'Xn', name => '', script => '' }
+	} keys %di;
+};
+
+# add custom categories for certain blocks
+for (values %info) {
+	$_->{category} .= ' Xa' if $_->{block} eq 'Basic Latin';
+	$_->{category} .= ' Xl' if $_->{block} eq 'Latin-1 Supplement';
+}
+
+# mark unofficial extras as such
+$info{$_}->{category} .= ' Xz' for @extra;
+
+for (keys %di) {
+	# find control characters (first 32 chars from 0 and 128)
+	next if $di{$_} & ~0b1001_1111;
+	# rename to something more descriptive
+	$info{$_}->{name} = $info{$_}->{unicode10}
+		? '<'.$info{$_}->{unicode10}.'>'  # the old name was much more useful
+		: sprintf('<control U+%04X>', $di{$_});  # at least identify by value
+	# show descriptive symbols instead of control chars themselves
+	$di{$_} += 0x2400 if $di{$_} < 32;
+}
+
 # output perl code of hash
 # (assume no backslashes or curlies, so we can just q{} w/o escaping)
 print "{\n";
-print "q{$_}=>$di{$_},\n" for sort keys %di;
+printf "q{%s}=>[%s],\n", $_, join(',',
+	$di{$_},       # glyph code point
+	$info{$_}  # optional additional arguments
+		? map {"'$_'"} @{ $info{$_} }{qw/name category script/}
+		: ()
+) for sort keys %di;
 print "}\n";