foo

diff --git a/lib/MooseX/AttributeHelpers/Base.pm b/lib/MooseX/AttributeHelpers/Base.pm
index 09ae2f1..267ffbe 100644 (file)
--- a/lib/MooseX/AttributeHelpers/Base.pm
+++ b/lib/MooseX/AttributeHelpers/Base.pm
@@ -1,6 +1,7 @@
 
 package MooseX::AttributeHelpers::Base;
 use Moose;
+use Moose::Util::TypeConstraints;
 
 our $VERSION   = '0.01';
 our $AUTHORITY = 'cpan:STEVAN';
@@ -24,40 +25,57 @@ has 'provides' => (
 has '+$!default'       => (required => 1);
 has '+type_constraint' => (required => 1);
 
-# this confirms that provides has 
-# all valid possibilities in it
-sub _check_provides {
-    my $self = shift;
-    my $method_constructors = $self->method_constructors;
-    foreach my $key (keys %{$self->provides}) {
-        (exists $method_constructors->{$key})
-            || confess "$key is an unsupported method type";
-    }
-}
+## Methods called prior to instantiation
+
+sub helper_type { () }
 
-# this provides an opportunity to 
-# manipulate the %options to handle
-# some of the provides features 
-# correctly.
-sub _process_options_for_provides {
+sub process_options_for_provides {
     my ($self, $options) = @_;
-    # ...
+    if (my $type = $self->helper_type) {
+        (exists $options->{isa})
+            || confess "You must define a type with the $type metaclass";  
+
+        my $isa = $options->{isa}; 
+
+        unless (blessed($isa) && $isa->isa('Moose::Meta::TypeConstraint')) {
+            $isa = find_type_constraint($isa);        
+        }
+
+        ($isa->is_a_type_of($type))
+            || confess "The type constraint for a $type ($options->{isa}) must be a subtype of $type";
+    }
+    
+    # this can be augmented by subclasses ..
+    inner();
 }
 
 before '_process_options' => sub {
     my ($self, $name, $options) = @_;
     if (exists $options->{provides}) {
-        $self->_process_options_for_provides($options);
+        $self->process_options_for_provides($options);
     }
 };
 
+## methods called after instantiation
+
+# this confirms that provides has 
+# all valid possibilities in it
+sub check_provides_values {
+    my $self = shift;
+    my $method_constructors = $self->method_constructors;
+    foreach my $key (keys %{$self->provides}) {
+        (exists $method_constructors->{$key})
+            || confess "$key is an unsupported method type";
+    }
+}
+
 after 'install_accessors' => sub {
     my $attr  = shift;
     my $class = $attr->associated_class;
 
     # before we install them, lets
     # make sure they are valid
-    $attr->_check_provides;    
+    $attr->check_provides_values;    
 
     my $method_constructors = $attr->method_constructors;
     
@@ -70,6 +88,7 @@ after 'install_accessors' => sub {
 };
 
 no Moose;
+no Moose::Util::TypeConstraints;
 
 1;
 

diff --git a/lib/MooseX/AttributeHelpers/Collection.pm b/lib/MooseX/AttributeHelpers/Collection.pm
deleted file mode 100644 (file)
index 392cd92..0000000
--- a/lib/MooseX/AttributeHelpers/Collection.pm
+++ /dev/null
@@ -1,40 +0,0 @@
-
-package MooseX::AttributeHelpers::Collection;
-
-our $VERSION   = '0.01';
-our $AUTHORITY = 'cpan:STEVAN';
-
-1;
-
-__END__
-
-=pod
-
-=head1 NAME
-
-=head1 SYNOPSIS
-
-=head1 DESCRIPTION
-
-=head1 METHODS
-
-=head1 BUGS
-
-All complex software has bugs lurking in it, and this module is no 
-exception. If you find a bug please either email me, or add the bug
-to cpan-RT.
-
-=head1 AUTHOR
-
-Stevan Little E<lt>stevan@iinteractive.comE<gt>
-
-=head1 COPYRIGHT AND LICENSE
-
-Copyright 2007 by Infinity Interactive, Inc.
-
-L<http://www.iinteractive.com>
-
-This library is free software; you can redistribute it and/or modify
-it under the same terms as Perl itself.
-
-=cut
\ No newline at end of file

diff --git a/lib/MooseX/AttributeHelpers/Collection/Array.pm b/lib/MooseX/AttributeHelpers/Collection/Array.pm
index 1bd9976..e9e9491 100644 (file)
--- a/lib/MooseX/AttributeHelpers/Collection/Array.pm
+++ b/lib/MooseX/AttributeHelpers/Collection/Array.pm
@@ -1,13 +1,14 @@
 
 package MooseX::AttributeHelpers::Collection::Array;
 use Moose;
-use Moose::Util::TypeConstraints;
 
 our $VERSION   = '0.01';
 our $AUTHORITY = 'cpan:STEVAN';
 
 extends 'MooseX::AttributeHelpers::Base';
 
+sub helper_type { 'ArrayRef' }
+
 has '+method_constructors' => (
     default => sub {
         return +{
@@ -53,23 +54,7 @@ has '+method_constructors' => (
     }
 );
 
-sub _process_options_for_provides {
-    my ($self, $options) = @_;
-    (exists $options->{isa})
-        || confess "You must define a type with the Array metaclass";  
-
-    my $isa = $options->{isa}; 
-
-    unless (blessed($isa) && $isa->isa('Moose::Meta::TypeConstraint')) {
-        $isa = find_type_constraint($isa);        
-    }
-
-    ($isa->is_a_type_of('ArrayRef'))
-        || confess "The type constraint for a Array ($options->{isa}) must be a subtype of ArrayRef";
-}
-
 no Moose;
-no Moose::Util::TypeConstraints;;
 
 # register the alias ...
 package Moose::Meta::Attribute::Custom::Collection::Array;

diff --git a/lib/MooseX/AttributeHelpers/Collection/Hash.pm b/lib/MooseX/AttributeHelpers/Collection/Hash.pm
index 1131ae8..c0a165f 100644 (file)
--- a/lib/MooseX/AttributeHelpers/Collection/Hash.pm
+++ b/lib/MooseX/AttributeHelpers/Collection/Hash.pm
@@ -1,13 +1,14 @@
 
 package MooseX::AttributeHelpers::Collection::Hash;
 use Moose;
-use Moose::Util::TypeConstraints;
 
 our $VERSION   = '0.01';
 our $AUTHORITY = 'cpan:STEVAN';
 
 extends 'MooseX::AttributeHelpers::Base';
 
+sub helper_type { 'HashRef' }
+
 has '+method_constructors' => (
     default => sub {
         return +{
@@ -31,23 +32,7 @@ has '+method_constructors' => (
     }
 );
 
-sub _process_options_for_provides {
-    my ($self, $options) = @_;    
-    (exists $options->{isa})
-        || confess "You must define a type with the Hash metaclass";  
-
-    my $isa = $options->{isa}; 
-
-    unless (blessed($isa) && $isa->isa('Moose::Meta::TypeConstraint')) {
-        $isa = find_type_constraint($isa);        
-    }
-
-    ($isa->is_a_type_of('HashRef'))
-        || confess "The type constraint for a Hash ($options->{isa}) must be a subtype of HashRef";
-}
-
 no Moose;
-no Moose::Util::TypeConstraints;
 
 # register the alias ...
 package Moose::Meta::Attribute::Custom::Collection::Hash;

diff --git a/lib/MooseX/AttributeHelpers/Counter.pm b/lib/MooseX/AttributeHelpers/Counter.pm
index 8851056..86c1317 100644 (file)
--- a/lib/MooseX/AttributeHelpers/Counter.pm
+++ b/lib/MooseX/AttributeHelpers/Counter.pm
@@ -8,6 +8,8 @@ our $AUTHORITY = 'cpan:STEVAN';
 
 extends 'MooseX::AttributeHelpers::Base';
 
+sub helper_type { 'Num' }
+
 has '+method_constructors' => (
     default => sub {
         return +{
@@ -22,21 +24,6 @@ has '+method_constructors' => (
         }
     }
 );
-
-sub _process_options_for_provides {
-    my ($self, $options) = @_;
-    (exists $options->{isa})
-        || confess "You must define a type with the Counter metaclass";  
-     
-    my $isa = $options->{isa}; 
-    
-    unless (blessed($isa) && $isa->isa('Moose::Meta::TypeConstraint')) {
-        $isa = find_type_constraint($isa);        
-    }
-    
-    ($isa->is_a_type_of('Num'))
-        || confess "The type constraint for a Counter ($options->{isa}) must be a subtype of Num";
-}
     
 no Moose;
 no Moose::Util::TypeConstraints;