Commit | Line | Data |
9a976497 |
1 | package MooseX::AttributeHelpers::MethodProvider::ImmutableHash; |
2 | use Moose::Role; |
3 | |
38430345 |
4 | our $VERSION = '0.12_01'; |
5 | $VERSION = eval $VERSION; |
9a976497 |
6 | our $AUTHORITY = 'cpan:STEVAN'; |
7 | |
8 | sub exists : method { |
9 | my ($attr, $reader, $writer) = @_; |
10 | return sub { CORE::exists $reader->($_[0])->{$_[1]} ? 1 : 0 }; |
11 | } |
12 | |
13 | sub get : method { |
14 | my ($attr, $reader, $writer) = @_; |
05f7da43 |
15 | return sub { |
16 | if ( @_ == 2 ) { |
17 | $reader->($_[0])->{$_[1]} |
18 | } else { |
19 | my ( $self, @keys ) = @_; |
20 | @{ $reader->($self) }{@keys} |
21 | } |
22 | }; |
9a976497 |
23 | } |
24 | |
25 | sub keys : method { |
26 | my ($attr, $reader, $writer) = @_; |
27 | return sub { CORE::keys %{$reader->($_[0])} }; |
28 | } |
29 | |
30 | sub values : method { |
31 | my ($attr, $reader, $writer) = @_; |
32 | return sub { CORE::values %{$reader->($_[0])} }; |
33 | } |
34 | |
35 | sub kv : method { |
36 | my ($attr, $reader, $writer) = @_; |
37 | return sub { |
38 | my $h = $reader->($_[0]); |
39 | map { |
40 | [ $_, $h->{$_} ] |
41 | } CORE::keys %{$h} |
42 | }; |
43 | } |
44 | |
45 | sub count : method { |
46 | my ($attr, $reader, $writer) = @_; |
47 | return sub { scalar CORE::keys %{$reader->($_[0])} }; |
48 | } |
49 | |
50 | sub empty : method { |
51 | my ($attr, $reader, $writer) = @_; |
facf2175 |
52 | return sub { scalar CORE::keys %{$reader->($_[0])} ? 1 : 0 }; |
9a976497 |
53 | } |
54 | |
55 | 1; |
56 | |
57 | __END__ |
58 | |
59 | =pod |
60 | |
61 | =head1 NAME |
62 | |
63 | MooseX::AttributeHelpers::MethodProvider::ImmutableHash |
64 | |
65 | =head1 DESCRIPTION |
66 | |
67 | This is a role which provides the method generators for |
68 | L<MooseX::AttributeHelpers::Collection::ImmutableHash>. |
69 | |
70 | =head1 METHODS |
71 | |
72 | =over 4 |
73 | |
74 | =item B<meta> |
75 | |
76 | =back |
77 | |
78 | =head1 PROVIDED METHODS |
79 | |
80 | =over 4 |
81 | |
82 | =item B<count> |
83 | |
84 | =item B<empty> |
85 | |
86 | =item B<exists> |
87 | |
88 | =item B<get> |
89 | |
90 | =item B<keys> |
91 | |
92 | =item B<values> |
93 | |
94 | =item B<kv> |
95 | |
96 | =back |
97 | |
98 | =head1 BUGS |
99 | |
100 | All complex software has bugs lurking in it, and this module is no |
101 | exception. If you find a bug please either email me, or add the bug |
102 | to cpan-RT. |
103 | |
104 | =head1 AUTHOR |
105 | |
106 | Stevan Little E<lt>stevan@iinteractive.comE<gt> |
107 | |
108 | =head1 COPYRIGHT AND LICENSE |
109 | |
99c62fb8 |
110 | Copyright 2007-2008 by Infinity Interactive, Inc. |
9a976497 |
111 | |
112 | L<http://www.iinteractive.com> |
113 | |
114 | This library is free software; you can redistribute it and/or modify |
115 | it under the same terms as Perl itself. |
116 | |
117 | =cut |
118 | |