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1 | package MooseX::AttributeHelpers::MethodProvider::Hash; |
2 | use Moose::Role; |
3 | |
38430345 |
4 | our $VERSION = '0.12_01'; |
5 | $VERSION = eval $VERSION; |
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6 | our $AUTHORITY = 'cpan:STEVAN'; |
7 | |
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8 | with 'MooseX::AttributeHelpers::MethodProvider::ImmutableHash'; |
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9 | |
10 | sub set : method { |
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11 | my ($attr, $reader, $writer) = @_; |
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12 | if ($attr->has_type_constraint && $attr->type_constraint->isa('Moose::Meta::TypeConstraint::Parameterized')) { |
13 | my $container_type_constraint = $attr->type_constraint->type_parameter; |
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14 | return sub { |
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15 | my ( $self, @kvp ) = @_; |
16 | |
17 | my ( @keys, @values ); |
18 | |
19 | while ( @kvp ) { |
20 | my ( $key, $value ) = ( shift(@kvp), shift(@kvp) ); |
21 | ($container_type_constraint->check($value)) |
22 | || confess "Value " . ($value||'undef') . " did not pass container type constraint"; |
23 | push @keys, $key; |
24 | push @values, $value; |
25 | } |
26 | |
27 | if ( @values > 1 ) { |
28 | @{ $reader->($self) }{@keys} = @values; |
29 | } else { |
30 | $reader->($self)->{$keys[0]} = $values[0]; |
31 | } |
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32 | }; |
33 | } |
34 | else { |
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35 | return sub { |
36 | if ( @_ == 3 ) { |
37 | $reader->($_[0])->{$_[1]} = $_[2] |
38 | } else { |
39 | my ( $self, @kvp ) = @_; |
40 | my ( @keys, @values ); |
41 | |
42 | while ( @kvp ) { |
43 | push @keys, shift @kvp; |
44 | push @values, shift @kvp; |
45 | } |
46 | |
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47 | @{ $reader->($_[0]) }{@keys} = @values; |
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48 | } |
49 | }; |
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50 | } |
51 | } |
52 | |
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53 | sub clear : method { |
54 | my ($attr, $reader, $writer) = @_; |
55 | return sub { %{$reader->($_[0])} = () }; |
56 | } |
57 | |
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58 | sub delete : method { |
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59 | my ($attr, $reader, $writer) = @_; |
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60 | return sub { |
61 | my $hashref = $reader->(shift); |
62 | CORE::delete @{$hashref}{@_}; |
63 | }; |
65a43f48 |
64 | } |
65 | |
66 | 1; |
67 | |
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68 | __END__ |
69 | |
70 | =pod |
71 | |
72 | =head1 NAME |
73 | |
74 | MooseX::AttributeHelpers::MethodProvider::Hash |
75 | |
76 | =head1 DESCRIPTION |
77 | |
78 | This is a role which provides the method generators for |
79 | L<MooseX::AttributeHelpers::Collection::Hash>. |
80 | |
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81 | This role is composed from the |
82 | L<MooseX::AttributeHelpers::Collection::ImmutableHash> role. |
83 | |
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84 | =head1 METHODS |
85 | |
86 | =over 4 |
87 | |
88 | =item B<meta> |
89 | |
90 | =back |
91 | |
92 | =head1 PROVIDED METHODS |
93 | |
94 | =over 4 |
95 | |
96 | =item B<count> |
97 | |
98 | =item B<delete> |
99 | |
100 | =item B<empty> |
101 | |
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102 | =item B<clear> |
103 | |
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104 | =item B<exists> |
105 | |
106 | =item B<get> |
107 | |
108 | =item B<keys> |
109 | |
110 | =item B<set> |
111 | |
112 | =item B<values> |
113 | |
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114 | =item B<kv> |
115 | |
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116 | =back |
117 | |
118 | =head1 BUGS |
119 | |
120 | All complex software has bugs lurking in it, and this module is no |
121 | exception. If you find a bug please either email me, or add the bug |
122 | to cpan-RT. |
123 | |
124 | =head1 AUTHOR |
125 | |
126 | Stevan Little E<lt>stevan@iinteractive.comE<gt> |
127 | |
128 | =head1 COPYRIGHT AND LICENSE |
129 | |
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130 | Copyright 2007-2008 by Infinity Interactive, Inc. |
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131 | |
132 | L<http://www.iinteractive.com> |
133 | |
134 | This library is free software; you can redistribute it and/or modify |
135 | it under the same terms as Perl itself. |
136 | |
137 | =cut |
138 | |