mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
67 lines
1.7 KiB
Perl
67 lines
1.7 KiB
Perl
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#!/usr/bin/perl
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open $f, 'UnicodeData-Latest.txt' or die $!;
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while (<$f>) {
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@columns = split(/;/);
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# print "$columns[0] : $columns[1]\n";
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$names{hex($columns[0])} = $columns[1];
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}
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close $f;
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open $f, 'DerivedCoreProperties.txt' or die $!;
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$re = '[';
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while (<$f>) {
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next unless /Default_Ignorable_Code_Point/;
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next unless /^([0-9A-F]{4,6})(?:\.\.([0-9A-F]{4,6}))?/;
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($start, $end) = (hex($1), hex($2));
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$end = $start unless $end;
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for ($c = $start; $c <= $end; $c++) {
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printf "0x%04X", $c;
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printf " // $names{$c}" if $names{$c};
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print "\n";
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}
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if (!$prevend || $start > $prevend + 1) {
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$re .= make_unicode_range($prevstart, $prevend) if $prevstart;
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$prevstart = $start;
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}
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$prevend = $end;
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}
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$re .= make_unicode_range($prevstart, $prevend).']';
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print STDERR $re;
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close $f;
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sub make_unicode_range
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{
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my ($start, $end) = @_;
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if ($start > 0xffff) {
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my $starths = ($start - 0x10000) >> 10 | 0xd800;
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my $startls = ($start - 0x10000) & 0x3ff | 0xdc00;
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my $endhs = ($end - 0x10000) >> 10 | 0xd800;
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my $endls = ($end - 0x10000) & 0x3ff | 0xdc00;
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if ($starths == $endhs) {
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return sprintf("]|\\u%04x[\\u%04x-\\u%04x", $starths, $startls, $endls)
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}
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my $re = '';
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if ($startls > 0xdc00) {
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$re .= sprintf("]|\\u%04x[\\u%04x-\\udfff", $starths, $startls);
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$starths++;
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}
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if ($endhs > $starths) {
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$endhs-- if ($endls < 0xdfff);
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$re .= sprintf("]|[\\u%04x-\\u%04x][\\udc00-\\udfff", $starths, $endhs);
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}
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if ($endls < 0xdfff) {
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$re .= sprintf("]|\\u%04x[\\udc00-\\u%04x", $endhs, $endls);
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}
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return $re;
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} elsif ($start == $end) {
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return sprintf("\\u%04x", $start);
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} else {
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return sprintf("\\u%04x-\\u%04x", $start, $end);
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}
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}
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