X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMooseX%2FGetopt%2FMeta%2FAttribute.pm;h=fdcc5ce47f70547fa91a45d35407d772b85efa96;hb=3d9a716d3b164a29df44de04ceb99711c0583420;hp=5f35fecaab2d0df8766982669163615594d93c29;hpb=5dac17c3fb3f25ba558e70565462826017f0c91c;p=gitmo%2FMooseX-Getopt.git diff --git a/lib/MooseX/Getopt/Meta/Attribute.pm b/lib/MooseX/Getopt/Meta/Attribute.pm index 5f35fec..fdcc5ce 100644 --- a/lib/MooseX/Getopt/Meta/Attribute.pm +++ b/lib/MooseX/Getopt/Meta/Attribute.pm @@ -1,8 +1,12 @@ -package MooseX::Getopt::Meta::Attribute; +package ; use Moose; +use Moose::Util::TypeConstraints; -extends 'Moose::Meta::Attribute'; +our $VERSION = '0.02'; +our $AUTHORITY = 'cpan:STEVAN'; + +extends 'Moose::Meta::Attribute'; # << Moose extending Moose :) has 'cmd_flag' => ( is => 'rw', @@ -10,29 +14,104 @@ has 'cmd_flag' => ( predicate => 'has_cmd_flag', ); +# This subtype is to support scalar -> arrayref coercion +# without polluting the built-in types +subtype '_MooseX_Getopt_CmdAliases' + => as 'ArrayRef' + => where { 1 }; + +coerce '_MooseX_Getopt_CmdAliases' + => from 'Str' + => via { [$_] }; + +has 'cmd_aliases' => ( + is => 'rw', + isa => '_MooseX_Getopt_CmdAliases', + predicate => 'has_cmd_aliases', + coerce => 1, +); + +no Moose; + +# register this as a metaclass alias ... +package Moose::Meta::Attribute::Custom::Getopt; +sub register_implementation { 'MooseX::Getopt::Meta::Attribute' } + 1; __END__ - =pod =head1 NAME -MooseX::Getopt::Meta::Attribute - +MooseX::Getopt::Meta::Attribute - Optional meta attribute for custom option names =head1 SYNOPSIS + package App; + use Moose; + + with 'MooseX::Getopt'; + + has 'data' => ( + 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 +This is a custom attribute metaclass which can be used to specify a +the specific command line flag to use instead of the default one +which L 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 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 +within L. + =over 4 =item B +Changes the commandline flag to be this value, instead of the default, +which is the same as the attribute name. + +=item B + +Adds more aliases for this commandline flag, useful for short options +and such. + =item B +=item B + =item B =back @@ -47,6 +126,8 @@ to cpan-RT. Stevan Little Estevan@iinteractive.comE +Brandon L. Black, Eblblack@gmail.comE + =head1 COPYRIGHT AND LICENSE Copyright 2007 by Infinity Interactive, Inc. @@ -56,4 +137,4 @@ L 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 +=cut