=cut
use Moose;
-use Scalar::Util 'looks_like_number';
+use Scalar::Util 'looks_like_number', 'blessed';
use Moose::Util::TypeConstraints ();
with 'MooseX::Emulate::Class::Accessor::Fast';
use namespace::clean -except => 'meta';
sub resolve_type_constraint {
my ($self, $name) = @_;
- my @tc = eval "package ${\$self->class}; $name" or die "'$name' not a type constraint in ${\$self->private_path}";
+
+ if(defined($name) && blessed($name) && $name->can('check')) {
+ # Its already a TC, good to go.
+ return $name;
+ }
+
+ if($name=~m/::/) {
+ eval "use Type::Registry; 1" || die "Can't resolve type constraint $name without installing Type::Tiny";
+ my $tc = Type::Registry->new->foreign_lookup($name);
+ return defined $tc ? $tc : die "'$name' not a type constraint in ${\$self->private_path}";
+ }
+
+ my @tc = eval "package ${\$self->class}; $name" or do {
+ # ok... so its not defined in the package. we need to look at all the roles
+ # and superclasses, look for attributes and figure it out.
+ # Superclasses take precedence;
+ #
+ my @supers = $self->class->can('meta') ? map { $_->meta } $self->class->meta->superclasses : ();
+ my @roles = $self->class->can('meta') ? $self->class->meta->calculate_all_roles : ();
+
+ # So look thru all the super and roles in order and return the
+ # first type constraint found. We should probably find all matching
+ # type constraints and try to do some sort of resolution.
+
+ warn "--> Hunting for TC $name in controller hierarchy\n" if $ENV{CATALYST_CONSTRAINTS_DEBUG};
+
+ foreach my $parent (@roles, @supers) {
+ warn " Looking for TC $name in ${\$parent->name}\n" if $ENV{CATALYST_CONSTRAINTS_DEBUG};
+ if(my $m = $parent->get_method($self->name)) {
+ if($m->can('attributes')) {
+ warn " method $m has attributes\n" if $ENV{CATALYST_CONSTRAINTS_DEBUG};
+ my ($key, $value) = map { $_ =~ /^(.*?)(?:\(\s*(.+?)\s*\))?$/ }
+ grep { $_=~/^Args\(/ or $_=~/^CaptureArgs\(/ }
+ @{$m->attributes};
+ warn " about to evaluate any found attrs\n" if $ENV{CATALYST_CONSTRAINTS_DEBUG};
+ next unless $value eq $name;
+ warn " found attr info $key and $value\n" if $ENV{CATALYST_CONSTRAINTS_DEBUG};
+ my @tc = eval "package ${\$parent->name}; $name";
+ return @tc if scalar(@tc);
+ } else {
+ warn " method $m does not have method attributes\n" if $ENV{CATALYST_CONSTRAINTS_DEBUG};
+ }
+ }
+ }
+
+ my $classes = join(',', $self->class, @roles, @supers);
+ die "'$name' not a type constraint in '${\$self->private_path}', Looked in: $classes";
+ };
+
if($tc[0]) {
return map { ref($_) ? $_ : Moose::Util::TypeConstraints::find_or_parse_type_constraint($_) } @tc;
} else {
my @captures = @{$captures||[]};
return 1 unless scalar(@captures); # If none, just say its ok
+ return $self->has_captures_constraints ?
+ $self->match_captures_constraints($c, $captures) : 1;
- if($self->has_captures_constraints) {
- if(
- $self->captures_constraints_count == 1 &&
- (
- $self->captures_constraints->[0]->is_a_type_of('Ref') ||
- $self->captures_constraints->[0]->is_a_type_of('ClassName')
- )
- ) {
- return $self->captures_constraints->[0]->check($captures);
- } else {
- for my $i(0..$#captures) {
- $self->captures_constraints->[$i]->check($captures[$i]) || return 0;
- }
- return 1;
- }
+ return 1;
+}
+
+sub match_captures_constraints {
+ my ($self, $c, $captures) = @_;
+ my @captures = @{$captures||[]};
+
+ # Match is positive if you don't have any.
+ return 1 unless $self->has_captures_constraints;
+
+ if(
+ $self->captures_constraints_count == 1 &&
+ (
+ $self->captures_constraints->[0]->is_a_type_of('Ref') ||
+ $self->captures_constraints->[0]->is_a_type_of('ClassName')
+ )
+ ) {
+ return $self->captures_constraints->[0]->check($captures);
} else {
+ for my $i(0..$#captures) {
+ $self->captures_constraints->[$i]->check($captures[$i]) || return 0;
+ }
return 1;
- }
- return 1;
+ }
+
}
+
sub compare {
my ($a1, $a2) = @_;
return $a1->normalized_arg_number <=> $a2->normalized_arg_number;
Returning true from this method causes the chain match to continue, returning
makes the chain not match (and alternate, less preferred chains will be attempted).
+=head2 match_captures_constraints ($c, \@captures);
+
+Does the \@captures given match any constraints (if any constraints exist). Returns
+true if you ask but there are no constraints.
+
=head2 match_args($c, $args)
Does the Args match or not?