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1 | |
2 | package Moose::Meta::Class; |
3 | |
4 | use strict; |
5 | use warnings; |
6 | |
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7 | use Carp 'confess'; |
8 | |
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9 | our $VERSION = '0.02'; |
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10 | |
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11 | use base 'Class::MOP::Class'; |
12 | |
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13 | sub construct_instance { |
14 | my ($class, %params) = @_; |
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15 | my $instance = $params{'__INSTANCE__'} || {}; |
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16 | foreach my $attr ($class->compute_all_applicable_attributes()) { |
17 | my $init_arg = $attr->init_arg(); |
18 | # try to fetch the init arg from the %params ... |
19 | my $val; |
20 | $val = $params{$init_arg} if exists $params{$init_arg}; |
21 | # if nothing was in the %params, we can use the |
22 | # attribute's default value (if it has one) |
23 | $val ||= $attr->default($instance) if $attr->has_default; |
00867c44 |
24 | if (defined $val) { |
00867c44 |
25 | if ($attr->has_type_constraint) { |
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26 | if ($attr->has_coercion && $attr->type_constraint->has_coercion) { |
27 | $val = $attr->type_constraint->coercion_code->($val); |
28 | } |
29 | (defined($attr->type_constraint->constraint_code->($val))) |
30 | || confess "Attribute (" . $attr->name . ") does not pass the type contraint with"; |
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31 | } |
a15dff8d |
32 | } |
33 | $instance->{$attr->name} = $val; |
34 | } |
35 | return $instance; |
36 | } |
37 | |
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38 | 1; |
39 | |
40 | __END__ |
41 | |
42 | =pod |
43 | |
44 | =head1 NAME |
45 | |
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46 | Moose::Meta::Class - The Moose metaclass |
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47 | |
48 | =head1 SYNOPSIS |
49 | |
50 | =head1 DESCRIPTION |
51 | |
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52 | This is a subclass of L<Class::MOP::Class> with Moose specific |
53 | extensions. |
54 | |
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55 | =head1 METHODS |
56 | |
57 | =over 4 |
58 | |
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59 | =item B<construct_instance> |
60 | |
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61 | =item B<mixed_in> |
62 | |
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63 | =back |
64 | |
65 | =head1 BUGS |
66 | |
67 | All complex software has bugs lurking in it, and this module is no |
68 | exception. If you find a bug please either email me, or add the bug |
69 | to cpan-RT. |
70 | |
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71 | =head1 AUTHOR |
72 | |
73 | Stevan Little E<lt>stevan@iinteractive.comE<gt> |
74 | |
75 | =head1 COPYRIGHT AND LICENSE |
76 | |
77 | Copyright 2006 by Infinity Interactive, Inc. |
78 | |
79 | L<http://www.iinteractive.com> |
80 | |
81 | This library is free software; you can redistribute it and/or modify |
82 | it under the same terms as Perl itself. |
83 | |
84 | =cut |