File: Application.pm

package info (click to toggle)
libmoose-perl 1.09-2
  • links: PTS, VCS
  • area: main
  • in suites: squeeze
  • size: 3,004 kB
  • ctags: 1,472
  • sloc: perl: 25,387; makefile: 2
file content (172 lines) | stat: -rw-r--r-- 3,911 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
package Moose::Meta::Role::Application;

use strict;
use warnings;
use metaclass;

our $VERSION   = '1.09';
$VERSION = eval $VERSION;
our $AUTHORITY = 'cpan:STEVAN';

__PACKAGE__->meta->add_attribute('method_exclusions' => (
    init_arg => '-excludes',
    reader   => 'get_method_exclusions',
    default  => sub { [] }
));

__PACKAGE__->meta->add_attribute('method_aliases' => (
    init_arg => '-alias',
    reader   => 'get_method_aliases',
    default  => sub { {} }
));

sub new {
    my ($class, %params) = @_;

    if ( exists $params{excludes} && !exists $params{'-excludes'} ) {
        $params{'-excludes'} = delete $params{excludes};
    }
    if ( exists $params{alias} && !exists $params{'-alias'} ) {
        $params{'-alias'} = delete $params{alias};
    }

    if ( exists $params{'-excludes'} ) {

        # I wish we had coercion here :)
        $params{'-excludes'} = (
            ref $params{'-excludes'} eq 'ARRAY'
            ? $params{'-excludes'}
            : [ $params{'-excludes'} ]
        );
    }

    $class->_new(\%params);
}

sub is_method_excluded {
    my ($self, $method_name) = @_;
    foreach (@{$self->get_method_exclusions}) {
        return 1 if $_ eq $method_name;
    }
    return 0;
}

sub is_method_aliased {
    my ($self, $method_name) = @_;
    exists $self->get_method_aliases->{$method_name} ? 1 : 0
}

sub is_aliased_method {
    my ($self, $method_name) = @_;
    my %aliased_names = reverse %{$self->get_method_aliases};
    exists $aliased_names{$method_name} ? 1 : 0;
}

sub apply {
    my $self = shift;

    $self->check_role_exclusions(@_);
    $self->check_required_methods(@_);
    $self->check_required_attributes(@_);

    $self->apply_attributes(@_);
    $self->apply_methods(@_);

    $self->apply_override_method_modifiers(@_);

    $self->apply_before_method_modifiers(@_);
    $self->apply_around_method_modifiers(@_);
    $self->apply_after_method_modifiers(@_);
}

sub check_role_exclusions           { Carp::croak "Abstract Method" }
sub check_required_methods          { Carp::croak "Abstract Method" }
sub check_required_attributes       { Carp::croak "Abstract Method" }

sub apply_attributes                { Carp::croak "Abstract Method" }
sub apply_methods                   { Carp::croak "Abstract Method" }
sub apply_override_method_modifiers { Carp::croak "Abstract Method" }
sub apply_method_modifiers          { Carp::croak "Abstract Method" }

sub apply_before_method_modifiers   { (shift)->apply_method_modifiers('before' => @_) }
sub apply_around_method_modifiers   { (shift)->apply_method_modifiers('around' => @_) }
sub apply_after_method_modifiers    { (shift)->apply_method_modifiers('after'  => @_) }

1;

__END__

=pod

=head1 NAME

Moose::Meta::Role::Application - A base class for role application

=head1 DESCRIPTION

This is the abstract base class for role applications.

The API for this class and its subclasses still needs some
consideration, and is intentionally not yet documented.

=head2 METHODS

=over 4

=item B<new>

=item B<meta>

=item B<get_method_exclusions>

=item B<is_method_excluded>

=item B<get_method_aliases>

=item B<is_aliased_method>

=item B<is_method_aliased>

=item B<apply>

=item B<check_role_exclusions>

=item B<check_required_methods>

=item B<check_required_attributes>

=item B<apply_attributes>

=item B<apply_methods>

=item B<apply_method_modifiers>

=item B<apply_before_method_modifiers>

=item B<apply_after_method_modifiers>

=item B<apply_around_method_modifiers>

=item B<apply_override_method_modifiers>

=back

=head1 BUGS

See L<Moose/BUGS> for details on reporting bugs.

=head1 AUTHOR

Stevan Little E<lt>stevan@iinteractive.comE<gt>

=head1 COPYRIGHT AND LICENSE

Copyright 2006-2010 by Infinity Interactive, Inc.

L<http://www.iinteractive.com>

This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.

=cut