Commit | Line | Data |
1b45ecc4 |
1 | package MooseX::AttributeHelpers::MethodProvider::Collection::Hash; |
2 | use MooseX::AttributeHelpers::MethodProvider; |
3 | use MooseX::AttributeHelpers::MethodProvider::Util qw(type_check); |
4 | use MooseX::AttributeHelpers::MethodProvider::Collection::ImmutableHash; |
5 | |
6 | our $VERSION = '0.04'; |
7 | our $AUTHORITY = 'cpan:STEVAN'; |
8 | |
9 | add_method_provider 'Collection::Hash' => ( |
10 | type => 'HashRef', |
11 | consumes => { 'Collection::ImmutableHash' => ':all' }, |
12 | provides => { |
13 | set => sub { |
14 | my ($attr, $reader, $writer) = @_; |
15 | type_check( |
16 | $attr, |
17 | sub { my ($self, %pairs) = @_; return (values %pairs) }, |
18 | sub { |
19 | my ($self, @pairs) = @_; |
20 | my $hash = $reader->($self); |
21 | while (@pairs) { |
22 | my $key = shift(@pairs); |
23 | my $value = shift(@pairs); |
24 | $hash->{$key} = $value; |
25 | } |
26 | }, |
27 | ); |
28 | }, |
29 | |
30 | clear => sub { |
31 | my ($attr, $reader, $writer) = @_; |
32 | return sub { %{$reader->($_[0])} = () }; |
33 | }, |
34 | |
35 | delete => sub { |
36 | my ($attr, $reader, $writer) = @_; |
37 | return sub { |
38 | my $hashref = $reader->(shift); |
39 | CORE::delete @{$hashref}{@_}; |
40 | }; |
41 | }, |
42 | }, |
43 | ); |
44 | |
45 | 1; |
46 | |
47 | __END__ |
48 | |
49 | =pod |
50 | |
51 | =head1 NAME |
52 | |
53 | MooseX::AttributeHelpers::MethodProvider::Hash |
54 | |
55 | =head1 DESCRIPTION |
56 | |
1d458eb8 |
57 | This module provides the method factories for |
58 | L<MooseX::AttributeHelpers::Collection::Hash>. It also consumes |
59 | L<MooseX::AttributeHelpers::MethodProvider::Collection::ImmutableHash>, and |
60 | thus provides all its methods as well. |
1b45ecc4 |
61 | |
62 | =head1 PROVIDED METHODS |
63 | |
64 | =over 4 |
65 | |
66 | =item B<count> |
67 | |
68 | Returns the number of items in the hash. |
69 | |
70 | =item B<delete(@keys)> |
71 | |
72 | Deletes the specified keys from the hash. |
73 | |
74 | =item B<clear> |
75 | |
76 | Deletes all keys from the hash. |
77 | |
78 | =item B<set> |
79 | |
80 | Sets the specified keys to the specified values. You can specify several of |
81 | these at once, in key => value order. |
82 | |
83 | =back |
84 | |
85 | =head1 BUGS |
86 | |
87 | All complex software has bugs lurking in it, and this module is no |
88 | exception. If you find a bug please either email me, or add the bug |
89 | to cpan-RT. |
90 | |
91 | =head1 AUTHOR |
92 | |
93 | Stevan Little E<lt>stevan@iinteractive.comE<gt> |
94 | |
95 | =head1 COPYRIGHT AND LICENSE |
96 | |
97 | Copyright 2007-2008 by Infinity Interactive, Inc. |
98 | |
99 | L<http://www.iinteractive.com> |
100 | |
101 | This library is free software; you can redistribute it and/or modify |
102 | it under the same terms as Perl itself. |
103 | |
104 | =cut |
105 | |