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1 | |
2 | package Class::MOP::Method; |
3 | |
4 | use strict; |
5 | use warnings; |
6 | |
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7 | use Carp 'confess'; |
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8 | use Scalar::Util 'weaken'; |
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9 | |
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10 | our $VERSION = '0.64_07'; |
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11 | $VERSION = eval $VERSION; |
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12 | our $AUTHORITY = 'cpan:STEVAN'; |
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13 | |
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14 | use base 'Class::MOP::Object'; |
15 | |
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16 | # NOTE: |
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17 | # if poked in the right way, |
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18 | # they should act like CODE refs. |
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19 | use overload '&{}' => sub { $_[0]->body }, fallback => 1; |
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20 | |
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21 | our $UPGRADE_ERROR_TEXT = q{ |
22 | --------------------------------------------------------- |
23 | NOTE: this error is likely not an error, but a regression |
24 | caused by the latest upgrade to Moose/Class::MOP. Consider |
25 | upgrading any MooseX::* modules to their latest versions |
26 | before spending too much time chasing this one down. |
27 | --------------------------------------------------------- |
28 | }; |
29 | |
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30 | # construction |
31 | |
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32 | sub wrap { |
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33 | my ( $class, @args ) = @_; |
34 | |
35 | unshift @args, 'body' if @args % 2 == 1; |
36 | |
37 | my %params = @args; |
38 | my $code = $params{body}; |
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39 | |
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40 | ('CODE' eq ref($code)) |
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41 | || confess "You must supply a CODE reference to bless, not (" . ($code || 'undef') . ")"; |
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42 | |
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43 | ($params{package_name} && $params{name}) |
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44 | || confess "You must supply the package_name and name parameters $UPGRADE_ERROR_TEXT"; |
45 | |
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46 | my $self = (ref($class) || $class)->_new(\%params); |
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47 | |
48 | weaken($self->{associated_metaclass}) if $self->{associated_metaclass}; |
49 | |
50 | return $self; |
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51 | } |
52 | |
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53 | sub _new { |
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54 | my $class = shift; |
55 | my $params = @_ == 1 ? $_[0] : {@_}; |
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56 | |
57 | my $self = bless { |
0bfc85b8 |
58 | 'body' => $params->{body}, |
59 | 'associated_metaclass' => $params->{associated_metaclass}, |
60 | 'package_name' => $params->{package_name}, |
61 | 'name' => $params->{name}, |
71b98d4f |
62 | } => $class; |
63 | } |
64 | |
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65 | ## accessors |
66 | |
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67 | sub body { (shift)->{'body'} } |
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68 | |
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69 | sub associated_metaclass { shift->{'associated_metaclass'} } |
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70 | |
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71 | sub attach_to_class { |
72 | my ( $self, $class ) = @_; |
73 | $self->{associated_metaclass} = $class; |
74 | weaken($self->{associated_metaclass}); |
75 | } |
76 | |
77 | sub detach_from_class { |
78 | my $self = shift; |
79 | delete $self->{associated_metaclass}; |
80 | } |
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81 | |
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82 | sub package_name { |
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83 | my $self = shift; |
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84 | $self->{'package_name'} ||= (Class::MOP::get_code_info($self->body))[0]; |
de19f115 |
85 | } |
86 | |
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87 | sub name { |
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88 | my $self = shift; |
8683db0e |
89 | $self->{'name'} ||= (Class::MOP::get_code_info($self->body))[1]; |
2eb717d5 |
90 | } |
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91 | |
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92 | sub fully_qualified_name { |
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93 | my $code = shift; |
94 | $code->package_name . '::' . $code->name; |
96ceced8 |
95 | } |
96 | |
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97 | # NOTE: |
98 | # the Class::MOP bootstrap |
99 | # will create this for us |
100 | # - SL |
101 | # sub clone { ... } |
102 | |
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103 | 1; |
104 | |
105 | __END__ |
106 | |
107 | =pod |
108 | |
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109 | =head1 NAME |
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110 | |
111 | Class::MOP::Method - Method Meta Object |
112 | |
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113 | =head1 DESCRIPTION |
114 | |
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115 | The Method Protocol is very small, since methods in Perl 5 are just |
116 | subroutines within the particular package. We provide a very basic |
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117 | introspection interface. |
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118 | |
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119 | =head1 METHODS |
120 | |
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121 | =head2 Introspection |
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122 | |
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123 | =over 4 |
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124 | |
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125 | =item B<meta> |
126 | |
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127 | This will return a B<Class::MOP::Class> instance which is related |
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128 | to this class. |
129 | |
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130 | =back |
131 | |
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132 | =head2 Construction |
133 | |
134 | =over 4 |
135 | |
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136 | =item B<wrap ($code, %params)> |
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137 | |
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138 | This is the basic constructor, it returns a B<Class::MOP::Method> |
139 | instance which wraps the given C<$code> reference. You can also |
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140 | set the C<package_name> and C<name> attributes using the C<%params>. |
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141 | If these are not set, then thier accessors will attempt to figure |
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142 | it out using the C<Class::MOP::get_code_info> function. |
143 | |
144 | =item B<clone (%params)> |
145 | |
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146 | This will make a copy of the object, allowing you to override |
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147 | any values by stuffing them in C<%params>. |
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148 | |
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149 | =back |
150 | |
151 | =head2 Informational |
152 | |
153 | =over 4 |
154 | |
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155 | =item B<body> |
156 | |
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157 | This returns the actual CODE reference of the particular instance. |
158 | |
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159 | =item B<name> |
160 | |
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161 | This returns the name of the CODE reference. |
162 | |
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163 | =item B<associated_metaclass> |
164 | |
165 | The metaclass of the method |
166 | |
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167 | =item B<package_name> |
168 | |
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169 | This returns the package name that the CODE reference is attached to. |
170 | |
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171 | =item B<fully_qualified_name> |
172 | |
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173 | This returns the fully qualified name of the CODE reference. |
174 | |
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175 | =back |
176 | |
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177 | =head2 Metaclass |
178 | |
179 | =over 4 |
180 | |
181 | =item B<attach_to_class> |
182 | |
183 | Sets the associated metaclass |
184 | |
185 | =item B<detach_from_class> |
186 | |
187 | Disassociates the method from the metaclass |
188 | |
189 | =back |
190 | |
1a09d9cc |
191 | =head1 AUTHORS |
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192 | |
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193 | Stevan Little E<lt>stevan@iinteractive.comE<gt> |
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194 | |
195 | =head1 COPYRIGHT AND LICENSE |
196 | |
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197 | Copyright 2006-2008 by Infinity Interactive, Inc. |
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198 | |
199 | L<http://www.iinteractive.com> |
200 | |
201 | This library is free software; you can redistribute it and/or modify |
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202 | it under the same terms as Perl itself. |
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203 | |
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204 | =cut |
205 | |