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|
#-*- perl -*-
use version;
#my $vernum = version->new($ARGV[1])->numify;
if ($ARGV[0] eq 'lb') {
goto LB_CUSTOM;
} elsif ($ARGV[0] eq 'ea') {
goto EA_CUSTOM;
} elsif ($ARGV[0] eq 'gb') {
goto GB_CUSTOM;
} else {
exit 0;
}
LB_CUSTOM:
print <<'EOF';
## SA characters may be categorized by their Grapheme_Cluster_Break properties.
## See [UAX #29].
EOF
exit 0;
EA_CUSTOM:
my %eaw;
open DATA, '<', "EastAsianWidth-$ARGV[1].txt";
while (<DATA>) {
chomp $_;
s/\s*#.*//;
next unless /\S/;
my ($ucs, $c) = split /;\s*/, $_;
next unless $ucs;
my ($beg, $end) = split /\.\./, $ucs;
$end ||= $beg;
$beg = hex("0x$beg");
$end = hex("0x$end");
foreach my $chr (($beg..$end)) {
$eaw{$chr} = $c;
}
}
close DATA;
open UD, '<', "UnicodeData-$ARGV[1].txt";
while (<UD>) {
($code, $name, $cat) = split /;/;
if ($cat =~ /^(Me|Mn|Cc|Cf|Zl|Zp)$/) {
my $eaw = $eaw{hex"0x$code"} || '';
$eaw = '' if $eaw eq 'N';
print "$code;Z$eaw # $name\n";
}
}
close UD;
exit 0;
GB_CUSTOM:
#exit 0 unless 6.001000 <= $vernum;
my @codes;
my %Virama;
my %GC_Letter;
my %Brahmic_Script;
my %Brahmic;
my %name;
my %gc;
open my $ucd, '<', "UnicodeData-$ARGV[1].txt" or die $!;
while (<$ucd>) {
chomp $_;
s/\s*#.*$//;
next unless /\S/;
my ($code, $name, $gc, $ccc) = split /;/;
$code = hex("0x$code");
$Virama{$code} = 1 if $ccc+0 == 9;
$GC_Letter{$code} = 1 if $gc =~ /^L/;
push @codes, $code;
$name{$code} = $name;
$gc{$code} = $gc;
}
close $ucd;
open my $scr, '<', "Scripts-$ARGV[1].txt" or die $!;
while (<$scr>) {
s/\s*\#.*//;
next unless /\S/;
my ($char, $prop) = split /\s*;\s*/, $_;
chomp $prop;
next unless $prop =~ /^(\@[\w:]+|\w+)$/;
my ($start, $end) = ();
($start, $end) = split /\.\./, $char;
$end ||= $start;
foreach my $c (hex("0x$start") .. hex("0x$end")) {
$Brahmic_Script{$prop} = 1 if $Virama{$c};
}
}
close $scr;
open $scr, '<', "Scripts-$ARGV[1].txt" or die $!;
while (<$scr>) {
s/\s*\#.*//;
next unless /\S/;
my ($char, $prop) = split /\s*;\s*/, $_;
chomp $prop;
next unless $prop =~ /^(\@[\w:]+|\w+)$/;
my ($start, $end) = ();
($start, $end) = split /\.\./, $char;
$end ||= $start;
foreach my $c (hex("0x$start") .. hex("0x$end")) {
$Brahmic{$c} = 1 if $Brahmic_Script{$prop};
}
}
close $scr;
open my $gcb, '<', "GraphemeBreakProperty-$ARGV[1].txt" or die $!;
while (<$gcb>) {
s/\s*\#.*//;
next unless /\S/;
my ($char, $prop) = split /\s*;\s*/, $_;
chomp $prop;
next unless $prop =~ /^(\@[\w:]+|\w+)$/;
my ($start, $end) = ();
($start, $end) = split /\.\./, $char;
$end ||= $start;
foreach my $c (hex("0x$start") .. hex("0x$end")) {
$prop{$c} = $prop;
}
}
close $gcb;
foreach my $c (@codes) {
my $prop = $prop{$c};
my $name = $name{$c};
my $gc = $gc{$c};
# Custom GCB Virama
if ($Virama{$c}) {
if ($prop =~ /^(Extend|SpacingMark)$/) {
$prop = 'Virama';
} else {
die sprintf "U+%04X is virama and %s", $c, $prop;
}
} elsif ($GC_Letter{$c} and $Brahmic{$c}) {
if ($prop) {
warn sprintf
"(non-fatal) U+%04X: GB=%s; won't assign OtherLetter.\n",
$c, $prop;
} else {
$prop = 'OtherLetter';
}
}
printf "%04X ; %-11s # %s %s\n", $c, $prop, $gc, $name
unless $prop eq $prop{$c};
}
exit 0;
|
