File | /usr/local/lib/perl/5.10.0/Moose/Meta/Role/Application/RoleSummation.pm |
Statements Executed | 23 |
Total Time | 0.0019911 seconds |
Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine |
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0 | 0 | 0 | 0s | 0s | BEGIN | Moose::Meta::Role::Application::RoleSummation::
0 | 0 | 0 | 0s | 0s | __ANON__[:19] | Moose::Meta::Role::Application::RoleSummation::
0 | 0 | 0 | 0s | 0s | apply_attributes | Moose::Meta::Role::Application::RoleSummation::
0 | 0 | 0 | 0s | 0s | apply_method_modifiers | Moose::Meta::Role::Application::RoleSummation::
0 | 0 | 0 | 0s | 0s | apply_methods | Moose::Meta::Role::Application::RoleSummation::
0 | 0 | 0 | 0s | 0s | apply_override_method_modifiers | Moose::Meta::Role::Application::RoleSummation::
0 | 0 | 0 | 0s | 0s | check_required_attributes | Moose::Meta::Role::Application::RoleSummation::
0 | 0 | 0 | 0s | 0s | check_required_methods | Moose::Meta::Role::Application::RoleSummation::
0 | 0 | 0 | 0s | 0s | check_role_exclusions | Moose::Meta::Role::Application::RoleSummation::
0 | 0 | 0 | 0s | 0s | get_exclusions_for_role | Moose::Meta::Role::Application::RoleSummation::
0 | 0 | 0 | 0s | 0s | get_method_aliases_for_role | Moose::Meta::Role::Application::RoleSummation::
0 | 0 | 0 | 0s | 0s | is_aliased_method | Moose::Meta::Role::Application::RoleSummation::
0 | 0 | 0 | 0s | 0s | is_method_aliased | Moose::Meta::Role::Application::RoleSummation::
0 | 0 | 0 | 0s | 0s | is_method_excluded | Moose::Meta::Role::Application::RoleSummation::
Line | Stmts. | Exclusive Time | Avg. | Code |
---|---|---|---|---|
1 | package Moose::Meta::Role::Application::RoleSummation; | |||
2 | ||||
3 | 3 | 25µs | 8µs | use strict; # spent 8µs making 1 call to strict::import |
4 | 3 | 34µs | 11µs | use warnings; # spent 22µs making 1 call to warnings::import |
5 | 3 | 54µs | 18µs | use metaclass; # spent 830µs making 1 call to metaclass::import |
6 | ||||
7 | 3 | 32µs | 11µs | use Scalar::Util 'blessed'; # spent 44µs making 1 call to Exporter::import |
8 | ||||
9 | 3 | 73µs | 24µs | use Moose::Meta::Role::Composite; # spent 4µs making 1 call to import |
10 | ||||
11 | 1 | 900ns | 900ns | our $VERSION = '1.15'; |
12 | 1 | 25µs | 25µs | $VERSION = eval $VERSION; |
13 | 1 | 600ns | 600ns | our $AUTHORITY = 'cpan:STEVAN'; |
14 | ||||
15 | 3 | 1.72ms | 573µs | use base 'Moose::Meta::Role::Application'; # spent 75µs making 1 call to base::import |
16 | ||||
17 | __PACKAGE__->meta->add_attribute('role_params' => ( | |||
18 | reader => 'role_params', | |||
19 | default => sub { {} } | |||
20 | 1 | 19µs | 19µs | )); # spent 638µs making 1 call to Class::MOP::Mixin::HasAttributes::add_attribute
# spent 34µs making 1 call to Moose::Meta::Role::Application::RoleSummation::meta |
21 | ||||
22 | sub get_exclusions_for_role { | |||
23 | my ($self, $role) = @_; | |||
24 | $role = $role->name if blessed $role; | |||
25 | my $excludes_key = exists $self->role_params->{$role}->{'-excludes'} ? | |||
26 | '-excludes' : 'excludes'; | |||
27 | if ($self->role_params->{$role} && defined $self->role_params->{$role}->{$excludes_key}) { | |||
28 | if (ref $self->role_params->{$role}->{$excludes_key} eq 'ARRAY') { | |||
29 | return $self->role_params->{$role}->{$excludes_key}; | |||
30 | } | |||
31 | return [ $self->role_params->{$role}->{$excludes_key} ]; | |||
32 | } | |||
33 | return []; | |||
34 | } | |||
35 | ||||
36 | sub get_method_aliases_for_role { | |||
37 | my ($self, $role) = @_; | |||
38 | $role = $role->name if blessed $role; | |||
39 | my $alias_key = exists $self->role_params->{$role}->{'-alias'} ? | |||
40 | '-alias' : 'alias'; | |||
41 | if ($self->role_params->{$role} && defined $self->role_params->{$role}->{$alias_key}) { | |||
42 | return $self->role_params->{$role}->{$alias_key}; | |||
43 | } | |||
44 | return {}; | |||
45 | } | |||
46 | ||||
47 | sub is_method_excluded { | |||
48 | my ($self, $role, $method_name) = @_; | |||
49 | foreach ($self->get_exclusions_for_role($role->name)) { | |||
50 | return 1 if $_ eq $method_name; | |||
51 | } | |||
52 | return 0; | |||
53 | } | |||
54 | ||||
55 | sub is_method_aliased { | |||
56 | my ($self, $role, $method_name) = @_; | |||
57 | exists $self->get_method_aliases_for_role($role->name)->{$method_name} ? 1 : 0 | |||
58 | } | |||
59 | ||||
60 | sub is_aliased_method { | |||
61 | my ($self, $role, $method_name) = @_; | |||
62 | my %aliased_names = reverse %{$self->get_method_aliases_for_role($role->name)}; | |||
63 | exists $aliased_names{$method_name} ? 1 : 0; | |||
64 | } | |||
65 | ||||
66 | sub check_role_exclusions { | |||
67 | my ($self, $c) = @_; | |||
68 | ||||
69 | my %excluded_roles; | |||
70 | for my $role (@{ $c->get_roles }) { | |||
71 | my $name = $role->name; | |||
72 | ||||
73 | for my $excluded ($role->get_excluded_roles_list) { | |||
74 | push @{ $excluded_roles{$excluded} }, $name; | |||
75 | } | |||
76 | } | |||
77 | ||||
78 | foreach my $role (@{$c->get_roles}) { | |||
79 | foreach my $excluded (keys %excluded_roles) { | |||
80 | next unless $role->does_role($excluded); | |||
81 | ||||
82 | my @excluding = @{ $excluded_roles{$excluded} }; | |||
83 | ||||
84 | require Moose; | |||
85 | Moose->throw_error(sprintf "Conflict detected: Role%s %s exclude%s role '%s'", (@excluding == 1 ? '' : 's'), join(', ', @excluding), (@excluding == 1 ? 's' : ''), $excluded); | |||
86 | } | |||
87 | } | |||
88 | ||||
89 | $c->add_excluded_roles(keys %excluded_roles); | |||
90 | } | |||
91 | ||||
92 | sub check_required_methods { | |||
93 | my ($self, $c) = @_; | |||
94 | ||||
95 | my %all_required_methods = | |||
96 | map { $_->name => $_ } | |||
97 | map { $_->get_required_method_list } | |||
98 | @{$c->get_roles}; | |||
99 | ||||
100 | foreach my $role (@{$c->get_roles}) { | |||
101 | foreach my $required (keys %all_required_methods) { | |||
102 | ||||
103 | delete $all_required_methods{$required} | |||
104 | if $role->has_method($required) | |||
105 | || $self->is_aliased_method($role, $required); | |||
106 | } | |||
107 | } | |||
108 | ||||
109 | $c->add_required_methods(values %all_required_methods); | |||
110 | } | |||
111 | ||||
112 | sub check_required_attributes { | |||
113 | ||||
114 | } | |||
115 | ||||
116 | sub apply_attributes { | |||
117 | my ($self, $c) = @_; | |||
118 | ||||
119 | my @all_attributes; | |||
120 | ||||
121 | for my $role ( @{ $c->get_roles } ) { | |||
122 | push @all_attributes, | |||
123 | map { $role->get_attribute($_) } $role->get_attribute_list; | |||
124 | } | |||
125 | ||||
126 | my %seen; | |||
127 | foreach my $attr (@all_attributes) { | |||
128 | my $name = $attr->name; | |||
129 | ||||
130 | if ( exists $seen{$name} ) { | |||
131 | next if $seen{$name}->is_same_as($attr); | |||
132 | ||||
133 | my $role1 = $seen{$name}->associated_role->name; | |||
134 | my $role2 = $attr->associated_role->name; | |||
135 | ||||
136 | require Moose; | |||
137 | Moose->throw_error( | |||
138 | "We have encountered an attribute conflict with '$name' " | |||
139 | . "during role composition. " | |||
140 | . " This attribute is defined in both $role1 and $role2." | |||
141 | . " This is fatal error and cannot be disambiguated." ); | |||
142 | } | |||
143 | ||||
144 | $seen{$name} = $attr; | |||
145 | } | |||
146 | ||||
147 | foreach my $attr (@all_attributes) { | |||
148 | $c->add_attribute( $attr->clone ); | |||
149 | } | |||
150 | } | |||
151 | ||||
152 | sub apply_methods { | |||
153 | my ($self, $c) = @_; | |||
154 | ||||
155 | my @all_methods = map { | |||
156 | my $role = $_; | |||
157 | my $aliases = $self->get_method_aliases_for_role($role); | |||
158 | my %excludes = map { $_ => undef } @{ $self->get_exclusions_for_role($role) }; | |||
159 | ( | |||
160 | (map { | |||
161 | exists $excludes{$_} ? () : | |||
162 | +{ | |||
163 | role => $role, | |||
164 | name => $_, | |||
165 | method => $role->get_method($_), | |||
166 | } | |||
167 | } map { $_->name } | |||
168 | grep { !$_->isa('Class::MOP::Method::Meta') } | |||
169 | $role->_get_local_methods), | |||
170 | (map { | |||
171 | +{ | |||
172 | role => $role, | |||
173 | name => $aliases->{$_}, | |||
174 | method => $role->get_method($_), | |||
175 | } | |||
176 | } keys %$aliases) | |||
177 | ); | |||
178 | } @{$c->get_roles}; | |||
179 | ||||
180 | my (%seen, %method_map); | |||
181 | foreach my $method (@all_methods) { | |||
182 | my $seen = $seen{$method->{name}}; | |||
183 | ||||
184 | if ($seen) { | |||
185 | if ($seen->{method}->body != $method->{method}->body) { | |||
186 | $c->add_conflicting_method( | |||
187 | name => $method->{name}, | |||
188 | roles => [$method->{role}->name, $seen->{role}->name], | |||
189 | ); | |||
190 | ||||
191 | delete $method_map{$method->{name}}; | |||
192 | next; | |||
193 | } | |||
194 | } | |||
195 | ||||
196 | $seen{$method->{name}} = $method; | |||
197 | $method_map{$method->{name}} = $method->{method}; | |||
198 | } | |||
199 | ||||
200 | $c->add_method($_ => $method_map{$_}) for keys %method_map; | |||
201 | } | |||
202 | ||||
203 | sub apply_override_method_modifiers { | |||
204 | my ($self, $c) = @_; | |||
205 | ||||
206 | my @all_overrides = map { | |||
207 | my $role = $_; | |||
208 | map { | |||
209 | +{ | |||
210 | name => $_, | |||
211 | method => $role->get_override_method_modifier($_), | |||
212 | } | |||
213 | } $role->get_method_modifier_list('override'); | |||
214 | } @{$c->get_roles}; | |||
215 | ||||
216 | my %seen; | |||
217 | foreach my $override (@all_overrides) { | |||
218 | if ( $c->has_method($override->{name}) ){ | |||
219 | require Moose; | |||
220 | Moose->throw_error( "Role '" . $c->name . "' has encountered an 'override' method conflict " . | |||
221 | "during composition (A local method of the same name as been found). This " . | |||
222 | "is fatal error." ) | |||
223 | } | |||
224 | if (exists $seen{$override->{name}}) { | |||
225 | if ( $seen{$override->{name}} != $override->{method} ) { | |||
226 | require Moose; | |||
227 | Moose->throw_error( "We have encountered an 'override' method conflict during " . | |||
228 | "composition (Two 'override' methods of the same name encountered). " . | |||
229 | "This is fatal error.") | |||
230 | } | |||
231 | } | |||
232 | $seen{$override->{name}} = $override->{method}; | |||
233 | } | |||
234 | ||||
235 | $c->add_override_method_modifier( | |||
236 | $_->{name}, $_->{method} | |||
237 | ) for @all_overrides; | |||
238 | ||||
239 | } | |||
240 | ||||
241 | sub apply_method_modifiers { | |||
242 | my ($self, $modifier_type, $c) = @_; | |||
243 | my $add = "add_${modifier_type}_method_modifier"; | |||
244 | my $get = "get_${modifier_type}_method_modifiers"; | |||
245 | foreach my $role (@{$c->get_roles}) { | |||
246 | foreach my $method_name ($role->get_method_modifier_list($modifier_type)) { | |||
247 | $c->$add( | |||
248 | $method_name, | |||
249 | $_ | |||
250 | ) foreach $role->$get($method_name); | |||
251 | } | |||
252 | } | |||
253 | } | |||
254 | ||||
255 | 1 | 9µs | 9µs | 1; |
256 | ||||
257 | __END__ | |||
258 | ||||
259 | =pod | |||
260 | ||||
261 | =head1 NAME | |||
262 | ||||
263 | Moose::Meta::Role::Application::RoleSummation - Combine two or more roles | |||
264 | ||||
265 | =head1 DESCRIPTION | |||
266 | ||||
267 | Summation composes two traits, forming the union of non-conflicting | |||
268 | bindings and 'disabling' the conflicting bindings | |||
269 | ||||
270 | =head2 METHODS | |||
271 | ||||
272 | =over 4 | |||
273 | ||||
274 | =item B<new> | |||
275 | ||||
276 | =item B<meta> | |||
277 | ||||
278 | =item B<role_params> | |||
279 | ||||
280 | =item B<get_exclusions_for_role> | |||
281 | ||||
282 | =item B<get_method_aliases_for_role> | |||
283 | ||||
284 | =item B<is_aliased_method> | |||
285 | ||||
286 | =item B<is_method_aliased> | |||
287 | ||||
288 | =item B<is_method_excluded> | |||
289 | ||||
290 | =item B<apply> | |||
291 | ||||
292 | =item B<check_role_exclusions> | |||
293 | ||||
294 | =item B<check_required_methods> | |||
295 | ||||
296 | =item B<check_required_attributes> | |||
297 | ||||
298 | =item B<apply_attributes> | |||
299 | ||||
300 | =item B<apply_methods> | |||
301 | ||||
302 | =item B<apply_method_modifiers> | |||
303 | ||||
304 | =item B<apply_override_method_modifiers> | |||
305 | ||||
306 | =back | |||
307 | ||||
308 | =head1 BUGS | |||
309 | ||||
310 | See L<Moose/BUGS> for details on reporting bugs. | |||
311 | ||||
312 | =head1 AUTHOR | |||
313 | ||||
314 | Stevan Little E<lt>stevan@iinteractive.comE<gt> | |||
315 | ||||
316 | =head1 COPYRIGHT AND LICENSE | |||
317 | ||||
318 | Copyright 2006-2010 by Infinity Interactive, Inc. | |||
319 | ||||
320 | L<http://www.iinteractive.com> | |||
321 | ||||
322 | This library is free software; you can redistribute it and/or modify | |||
323 | it under the same terms as Perl itself. | |||
324 | ||||
325 | =cut | |||
326 |