Cleanup ->_validate

diff --git a/lib/Regexp/Wildcards.pm b/lib/Regexp/Wildcards.pm
index b70b593edaae910d4adacef7773bce5b5bd6160c..f0b471a8be5cea353f87254b5e3c164849e703db 100644 (file)
--- a/lib/Regexp/Wildcards.pm
+++ b/lib/Regexp/Wildcards.pm
@@ -104,31 +104,36 @@ sub _validate {
  my $valid = shift;
  my $old   = shift;
  $old = { } unless defined $old;
- my $c;
+
+ my %opts;
  if (@_ <= 1) {
-  $c = { set => $_[0] };
+  $opts{set} = defined $_[0] ? $_[0] : { };
  } elsif (@_ % 2) {
   croak 'Arguments must be passed as an unique scalar or as key => value pairs';
  } else {
-  my %args = @_;
-  $c = { map { (exists $args{$_}) ? ($_ => $args{$_}) : () } qw/set add rem/ };
+  %opts = @_;
  }
+
+ my %checked;
  for (qw/set add rem/) {
-  my $v = $c->{$_};
-  next unless defined $v;
+  my $opt = $opts{$_};
+  next unless defined $opt;
   my $cb = {
    ''      => sub { +{ ($_[0] => 1) x (exists $valid->{$_[0]}) } },
    'ARRAY' => sub { +{ map { ($_ => 1) x (exists $valid->{$_}) } @{$_[0]} } },
    'HASH'  => sub { +{ map { ($_ => $_[0]->{$_}) x (exists $valid->{$_}) }
                         keys %{$_[0]} } }
-  }->{ ref $v };
+  }->{ ref $opt };
   croak 'Wrong option set' unless $cb;
-  $c->{$_} = $cb->($v);
+  $checked{$_} = $cb->($opt);
  }
- my $config = (exists $c->{set}) ? $c->{set} : $old;
- $config->{$_} = $c->{add}->{$_} for grep $c->{add}->{$_},
-                                                keys %{$c->{add} || {}};
- delete $config->{$_} for grep $c->{rem}->{$_}, keys %{$c->{rem} || {}};
+
+ my $config = (exists $checked{set}) ? $checked{set} : $old;
+ $config->{$_} = $checked{add}->{$_} for grep $checked{add}->{$_},
+                                          keys %{$checked{add} || {}};
+ delete $config->{$_}                for grep $checked{rem}->{$_},
+                                          keys %{$checked{rem} || {}};
+
  $config;
 }