Commit | Line | Data |
65a43f48 |
1 | package MooseX::AttributeHelpers::MethodProvider::Hash; |
2 | use Moose::Role; |
3 | |
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4 | our $VERSION = '0.01'; |
5 | our $AUTHORITY = 'cpan:STEVAN'; |
6 | |
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7 | sub exists : method { |
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8 | my ($attr, $reader, $writer) = @_; |
9 | return sub { exists $reader->($_[0])->{$_[1]} ? 1 : 0 }; |
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10 | } |
11 | |
12 | sub get : method { |
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13 | my ($attr, $reader, $writer) = @_; |
14 | return sub { $reader->($_[0])->{$_[1]} }; |
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15 | } |
16 | |
17 | sub set : method { |
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18 | my ($attr, $reader, $writer) = @_; |
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19 | if ($attr->has_container_type) { |
20 | my $container_type_constraint = $attr->container_type_constraint; |
21 | return sub { |
22 | ($container_type_constraint->check($_[2])) |
23 | || confess "Value " . ($_[2]||'undef') . " did not pass container type constraint"; |
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24 | $reader->($_[0])->{$_[1]} = $_[2] |
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25 | }; |
26 | } |
27 | else { |
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28 | return sub { $reader->($_[0])->{$_[1]} = $_[2] }; |
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29 | } |
30 | } |
31 | |
32 | sub keys : method { |
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33 | my ($attr, $reader, $writer) = @_; |
34 | return sub { keys %{$reader->($_[0])} }; |
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35 | } |
36 | |
37 | sub values : method { |
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38 | my ($attr, $reader, $writer) = @_; |
39 | return sub { values %{$reader->($_[0])} }; |
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40 | } |
41 | |
42 | sub count : method { |
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43 | my ($attr, $reader, $writer) = @_; |
44 | return sub { scalar keys %{$reader->($_[0])} }; |
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45 | } |
46 | |
47 | sub empty : method { |
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48 | my ($attr, $reader, $writer) = @_; |
49 | return sub { scalar keys %{$reader->($_[0])} ? 1 : 0 }; |
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50 | } |
51 | |
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52 | sub clear : method { |
53 | my ($attr, $reader, $writer) = @_; |
54 | return sub { %{$reader->($_[0])} = () }; |
55 | } |
56 | |
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57 | sub delete : method { |
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58 | my ($attr, $reader, $writer) = @_; |
59 | return sub { delete $reader->($_[0])->{$_[1]} }; |
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60 | } |
61 | |
62 | 1; |
63 | |
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64 | __END__ |
65 | |
66 | =pod |
67 | |
68 | =head1 NAME |
69 | |
70 | MooseX::AttributeHelpers::MethodProvider::Hash |
71 | |
72 | =head1 DESCRIPTION |
73 | |
74 | This is a role which provides the method generators for |
75 | L<MooseX::AttributeHelpers::Collection::Hash>. |
76 | |
77 | =head1 METHODS |
78 | |
79 | =over 4 |
80 | |
81 | =item B<meta> |
82 | |
83 | =back |
84 | |
85 | =head1 PROVIDED METHODS |
86 | |
87 | =over 4 |
88 | |
89 | =item B<count> |
90 | |
91 | =item B<delete> |
92 | |
93 | =item B<empty> |
94 | |
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95 | =item B<clear> |
96 | |
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97 | =item B<exists> |
98 | |
99 | =item B<get> |
100 | |
101 | =item B<keys> |
102 | |
103 | =item B<set> |
104 | |
105 | =item B<values> |
106 | |
107 | =back |
108 | |
109 | =head1 BUGS |
110 | |
111 | All complex software has bugs lurking in it, and this module is no |
112 | exception. If you find a bug please either email me, or add the bug |
113 | to cpan-RT. |
114 | |
115 | =head1 AUTHOR |
116 | |
117 | Stevan Little E<lt>stevan@iinteractive.comE<gt> |
118 | |
119 | =head1 COPYRIGHT AND LICENSE |
120 | |
121 | Copyright 2007 by Infinity Interactive, Inc. |
122 | |
123 | L<http://www.iinteractive.com> |
124 | |
125 | This library is free software; you can redistribute it and/or modify |
126 | it under the same terms as Perl itself. |
127 | |
128 | =cut |
129 | |