-# parse input
-
-my @chars;
-my @querydesc;
-
-my $query = $ENV{PATH_INFO} || $get{q} || 'ipa';
-for ($query) {
- s{^/}{};
- when (qr{^[a-z]+(?:/|\z)}) {
- for (split / /) {
- push @querydesc, "preset group $_";
- my ($tablegroup, $tablename) = split m{/}, $_, 2;
- my @tables = $tablename ? $tables->{$tablegroup}->{$tablename}
- : sort values %{ $tables->{$tablegroup} };
- for (@tables) {
- my $includerows; # ignore rows before body row
- for (@{$_}) {
- $includerows ||= m/^[.]/ or next;
- next if /^[.-]/;
- next if $_ eq '>' or $_ eq '=';
- push @chars, $_;
- }
- }
- }
- when ('ipa') {
- @chars = grep { !m/[a-zA-Z]/ } @chars;
- }
- }
- when (qr{[\d,;\s+-]+}) {
- push @querydesc, "character codepoints $_";
- for (map { split /[^\d-]/ } $_) {
- my ($charnum, $range) = split /-/, $_;
- push @chars, chr $_ for $charnum .. ($range // $charnum);
- }
- }
- when (qr{[A-Z]}) {
- push @querydesc, "unicode match $_";
- eval {
- my $match = qr/\A\p{$_}\z/;
- push @chars, grep { m/$match/ } map { chr $_ }
- 0..0xD7FF, 0xE000..0xFDCF, 0xFDF0..0xFFFD;
- } or die "invalid unicode match: $_\n";
- }
- default {
- die "unknown parameter: $_\n";
- }
+for my $group ($ENV{PATH_INFO} || ()) {
+ $group =~ s{^/}{};
+ my $grouprows = $cover->{$group}
+ or die "Unknown character category $_\n";
+ @rows = map { "$group/$_" } sort keys %{$grouprows};