no-getopt stuff

[gitmo/MooseX-Getopt.git] / lib / MooseX / Getopt / Meta / Attribute.pm

diff --git a/lib/MooseX/Getopt/Meta/Attribute.pm b/lib/MooseX/Getopt/Meta/Attribute.pm
index 634bbbb..082d807 100644 (file)
--- a/lib/MooseX/Getopt/Meta/Attribute.pm
+++ b/lib/MooseX/Getopt/Meta/Attribute.pm
@@ -1,8 +1,9 @@
 
 package MooseX::Getopt::Meta::Attribute;
 use Moose;
+use Moose::Util::TypeConstraints;
 
-our $VERSION   = '0.01';
+our $VERSION   = '0.04';
 our $AUTHORITY = 'cpan:STEVAN';
 
 extends 'Moose::Meta::Attribute'; # << Moose extending Moose :)
@@ -13,16 +14,30 @@ has 'cmd_flag' => (
     predicate => 'has_cmd_flag',
 );
 
+# This subtype is to support scalar -> arrayref coercion
+#  without polluting the built-in types
+subtype '_MooseX_Getopt_CmdAliases' => as 'ArrayRef';
+    
+coerce '_MooseX_Getopt_CmdAliases'
+    => from 'Str'
+        => via { [$_] };
+
 has 'cmd_aliases' => (
     is        => 'rw',
-    isa       => 'ArrayRef',
+    isa       => '_MooseX_Getopt_CmdAliases',
     predicate => 'has_cmd_aliases',
+    coerce    => 1,
 );
 
-no Moose; 1;
+no Moose;
 
-__END__
+# register this as a metaclass alias ...
+package Moose::Meta::Attribute::Custom::Getopt;
+sub register_implementation { 'MooseX::Getopt::Meta::Attribute' }
+
+1;
 
+__END__
 
 =pod
 
@@ -38,18 +53,23 @@ MooseX::Getopt::Meta::Attribute - Optional meta attribute for custom option name
   with 'MooseX::Getopt';
   
   has 'data' => (
-      metaclass => 'MooseX::Getopt::Meta::Attribute',        
+      metaclass => 'MooseX::Getopt::Meta::Attribute',     
       is        => 'ro',
       isa       => 'Str',
       default   => 'file.dat',
+
       # tells MooseX::Getopt to use --somedata as the 
       # command line flag instead of the normal 
       # autogenerated one (--data)
       cmd_flag  => 'somedata',
+
       # tells MooseX::Getopt to also allow --moosedata,
       # -m, and -d as aliases for this same option on
       # the commandline.
       cmd_aliases => [qw/ moosedata m d /],
+
+      # Or, you can use a plain scalar for a single alias:
+      cmd_aliases => 'm',
   );
 
 =head1 DESCRIPTION
@@ -61,6 +81,14 @@ which L<MooseX::Getopt> will create for you.
 This is certainly not the prettiest way to go about this, but for 
 now it works for those who might need such a feature.
 
+=head2 Custom Metaclass alias
+
+This now takes advantage of the Moose 0.19 feature to support 
+custom attribute metaclass aliases. This means you can also
+use this as the B<Getopt> alias, like so:
+
+  has 'foo' => (metaclass => 'Getopt', cmd_flag => 'f');
+
 =head1 METHODS
 
 These methods are of little use to most users, they are used interally 
@@ -96,6 +124,8 @@ to cpan-RT.
 
 Stevan Little E<lt>stevan@iinteractive.comE<gt>
 
+Brandon L. Black, E<lt>blblack@gmail.comE<gt>
+
 =head1 COPYRIGHT AND LICENSE
 
 Copyright 2007 by Infinity Interactive, Inc.