#!/usr/bin/perl -w

# read a psftools .txt font, for any glyph that has multiple Unicode
# codepoints, output that glyph multiple times (one per codepoint).
# result is suitable for conversion to a BDF.

$glyphcount = 0;

sub dup {
	my $orig = shift;
	my $new;
	my $ret;
	my @cps = ($orig =~ /\[(\w+)\];/g);

	for my $cp (@cps) {
		#warn ">> $cp <<\n";
		$glyphcount++;
		($new = $orig) =~ s,(Unicode: ).*,$1\[$cp\];,;
		$ret .= $new;
	}
	return $ret;
}

$/ = '%';

<>;
$header = '%' . <>;

$zerocount = 0;
while(<>) {
	next if /\[0000\];/ && ($zerocount++);
	if(/Unicode:.*;.*;/) {
		$_ = dup($_);
	} else {
		$glyphcount++;
	}
	$output .= $_;
}

$header =~ s/(Length:\s+)\d+/$1$glyphcount/;

print $header . $output;