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fc7ec1d9 |
1 | package Catalyst::Base; |
2 | |
3 | use strict; |
158c88c0 |
4 | use base qw/Catalyst::Component Catalyst::AttrContainer Class::Accessor::Fast/; |
b7783788 |
5 | |
a2f2cde9 |
6 | use Catalyst::Exception; |
91d4abc5 |
7 | use Catalyst::Utils; |
8 | use Class::Inspector; |
fc7ec1d9 |
9 | use NEXT; |
10 | |
97d6d2bd |
11 | __PACKAGE__->mk_classdata($_) for qw/_dispatch_steps _action_class/; |
1143712c |
12 | |
0bbb5a1f |
13 | __PACKAGE__->_dispatch_steps( [qw/_BEGIN _AUTO _ACTION/] ); |
97d6d2bd |
14 | __PACKAGE__->_action_class('Catalyst::Action'); |
ac733264 |
15 | |
0bbb5a1f |
16 | sub _DISPATCH : Private { |
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17 | my ( $self, $c ) = @_; |
1143712c |
18 | |
0bbb5a1f |
19 | foreach my $disp ( @{ $self->_dispatch_steps } ) { |
1143712c |
20 | last unless $c->forward($disp); |
ba599d1c |
21 | } |
22 | |
1143712c |
23 | $c->forward('_END'); |
24 | } |
fc7ec1d9 |
25 | |
0bbb5a1f |
26 | sub _BEGIN : Private { |
1143712c |
27 | my ( $self, $c ) = @_; |
57e45928 |
28 | my $begin = ( $c->get_actions( 'begin', $c->namespace ) )[-1]; |
1143712c |
29 | return 1 unless $begin; |
b8f669f3 |
30 | $begin->dispatch( $c ); |
0bbb5a1f |
31 | return !@{ $c->error }; |
1143712c |
32 | } |
ba599d1c |
33 | |
0bbb5a1f |
34 | sub _AUTO : Private { |
1143712c |
35 | my ( $self, $c ) = @_; |
57e45928 |
36 | my @auto = $c->get_actions( 'auto', $c->namespace ); |
1143712c |
37 | foreach my $auto (@auto) { |
b8f669f3 |
38 | $auto->dispatch( $c ); |
1143712c |
39 | return 0 unless $c->state; |
ba599d1c |
40 | } |
1143712c |
41 | return 1; |
42 | } |
ba599d1c |
43 | |
0bbb5a1f |
44 | sub _ACTION : Private { |
1143712c |
45 | my ( $self, $c ) = @_; |
8b76bfcf |
46 | if ( ref $c->action |
31375184 |
47 | && $c->action->can('execute') |
8b76bfcf |
48 | && $c->req->action ) |
49 | { |
b8f669f3 |
50 | $c->action->dispatch( $c ); |
245ae014 |
51 | } |
0bbb5a1f |
52 | return !@{ $c->error }; |
1143712c |
53 | } |
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54 | |
0bbb5a1f |
55 | sub _END : Private { |
1143712c |
56 | my ( $self, $c ) = @_; |
57e45928 |
57 | my $end = ( $c->get_actions( 'end', $c->namespace ) )[-1]; |
1143712c |
58 | return 1 unless $end; |
b8f669f3 |
59 | $end->dispatch( $c ); |
0bbb5a1f |
60 | return !@{ $c->error }; |
ba599d1c |
61 | } |
d70195d8 |
62 | |
aad72cc9 |
63 | =head1 NAME |
64 | |
65 | Catalyst::Base - Catalyst Base Class |
66 | |
67 | =head1 SYNOPSIS |
68 | |
69 | See L<Catalyst> |
70 | |
71 | =head1 DESCRIPTION |
72 | |
73 | Catalyst Base Class |
74 | |
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75 | This is the base class for all Catalyst components. It also handles |
76 | dispatch of actions for controllers. |
77 | |
aad72cc9 |
78 | =head1 METHODS |
79 | |
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80 | =head2 $self->action_namespace($c) |
aad72cc9 |
81 | |
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82 | Determine the namespace for actions in this component. |
83 | |
aad72cc9 |
84 | =cut |
85 | |
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86 | sub action_namespace { |
87 | my ( $self, $c ) = @_; |
c02f7490 |
88 | my $hash = (ref $self ? $self : $self->config); # hate app-is-class |
9488795c |
89 | return $hash->{namespace} if exists $hash->{namespace}; |
1cf67b31 |
90 | return Catalyst::Utils::class2prefix( ref($self) || $self, |
57e45928 |
91 | $c->config->{case_sensitive} ) |
92 | || ''; |
91d4abc5 |
93 | } |
94 | |
27708fc5 |
95 | =head2 $self->path_prefix($c) |
96 | |
649fd1fa |
97 | alias for action_namespace |
98 | |
27708fc5 |
99 | =cut |
100 | |
101 | sub path_prefix { shift->action_namespace(@_); } |
102 | |
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103 | =head2 $self->register_actions($c) |
aad72cc9 |
104 | |
649fd1fa |
105 | register all actions for this component based on a given context. |
106 | |
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107 | =cut |
108 | |
91d4abc5 |
109 | sub register_actions { |
110 | my ( $self, $c ) = @_; |
111 | my $class = ref $self || $self; |
57e45928 |
112 | my $namespace = $self->action_namespace($c); |
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113 | my %methods; |
57e45928 |
114 | $methods{ $self->can($_) } = $_ |
115 | for @{ Class::Inspector->methods($class) || [] }; |
116 | |
117 | # Advanced inheritance support for plugins and the like |
118 | my @action_cache; |
119 | { |
120 | no strict 'refs'; |
121 | for my $isa ( @{"$class\::ISA"}, $class ) { |
122 | push @action_cache, @{ $isa->_action_cache } |
123 | if $isa->can('_action_cache'); |
124 | } |
125 | } |
126 | |
127 | foreach my $cache (@action_cache) { |
128 | my $code = $cache->[0]; |
91d4abc5 |
129 | my $method = $methods{$code}; |
130 | next unless $method; |
5b707014 |
131 | my $attrs = $self->_parse_attrs( $c, $method, @{ $cache->[1] } ); |
57e45928 |
132 | if ( $attrs->{Private} && ( keys %$attrs > 1 ) ) { |
91d4abc5 |
133 | $c->log->debug( 'Bad action definition "' |
57e45928 |
134 | . join( ' ', @{ $cache->[1] } ) |
91d4abc5 |
135 | . qq/" for "$class->$method"/ ) |
136 | if $c->debug; |
137 | next; |
138 | } |
139 | my $reverse = $namespace ? "$namespace/$method" : $method; |
f40acefd |
140 | my $action = $self->create_action( |
141 | name => $method, |
142 | code => $code, |
143 | reverse => $reverse, |
144 | namespace => $namespace, |
145 | class => $class, |
146 | attributes => $attrs, |
91d4abc5 |
147 | ); |
f40acefd |
148 | |
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149 | $c->dispatcher->register( $c, $action ); |
91d4abc5 |
150 | } |
151 | } |
152 | |
f40acefd |
153 | sub create_action { |
154 | my $self = shift; |
734a1e11 |
155 | my %args = @_; |
156 | |
157 | my $class = (exists $args{attributes}{ActionClass} |
158 | ? $args{attributes}{ActionClass}[0] |
159 | : $self->_action_class); |
160 | |
16d306fa |
161 | unless ( Class::Inspector->loaded($class) ) { |
1e514a51 |
162 | require Class::Inspector->filename($class); |
734a1e11 |
163 | } |
164 | |
165 | return $class->new( \%args ); |
f40acefd |
166 | } |
167 | |
91d4abc5 |
168 | sub _parse_attrs { |
5b707014 |
169 | my ( $self, $c, $name, @attrs ) = @_; |
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170 | |
171 | my %raw_attributes; |
172 | |
91d4abc5 |
173 | foreach my $attr (@attrs) { |
174 | |
175 | # Parse out :Foo(bar) into Foo => bar etc (and arrayify) |
176 | |
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177 | if ( my ( $key, $value ) = ( $attr =~ /^(.*?)(?:\(\s*(.+?)\s*\))?$/ ) ) |
178 | { |
91d4abc5 |
179 | |
180 | if ( defined $value ) { |
181 | ( $value =~ s/^'(.*)'$/$1/ ) || ( $value =~ s/^"(.*)"/$1/ ); |
182 | } |
d030cb97 |
183 | push( @{ $raw_attributes{$key} }, $value ); |
184 | } |
185 | } |
186 | |
c02f7490 |
187 | my $hash = (ref $self ? $self : $self->config); # hate app-is-class |
188 | |
189 | if (exists $hash->{actions} || exists $hash->{action}) { |
190 | my $a = $hash->{actions} || $hash->{action}; |
191 | %raw_attributes = ((exists $a->{'*'} ? %{$a->{'*'}} : ()), |
192 | %raw_attributes, |
193 | (exists $a->{$name} ? %{$a->{$name}} : ())); |
194 | } |
195 | |
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196 | my %final_attributes; |
197 | |
198 | foreach my $key (keys %raw_attributes) { |
199 | |
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200 | my $raw = $raw_attributes{$key}; |
201 | |
202 | foreach my $value (ref($raw) ? @$raw : $raw) { |
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203 | |
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204 | my $meth = "_parse_${key}_attr"; |
205 | if ( $self->can($meth) ) { |
206 | ( $key, $value ) = $self->$meth( $c, $name, $value ); |
207 | } |
d030cb97 |
208 | push( @{ $final_attributes{$key} }, $value ); |
91d4abc5 |
209 | } |
210 | } |
d030cb97 |
211 | |
212 | return \%final_attributes; |
91d4abc5 |
213 | } |
214 | |
5b707014 |
215 | sub _parse_Global_attr { |
216 | my ( $self, $c, $name, $value ) = @_; |
217 | return $self->_parse_Path_attr( $c, $name, "/$name" ); |
218 | } |
219 | |
27708fc5 |
220 | sub _parse_Absolute_attr { shift->_parse_Global_attr(@_); } |
5b707014 |
221 | |
222 | sub _parse_Local_attr { |
223 | my ( $self, $c, $name, $value ) = @_; |
224 | return $self->_parse_Path_attr( $c, $name, $name ); |
225 | } |
226 | |
27708fc5 |
227 | sub _parse_Relative_attr { shift->_parse_Local_attr(@_); } |
5b707014 |
228 | |
229 | sub _parse_Path_attr { |
230 | my ( $self, $c, $name, $value ) = @_; |
231 | $value ||= ''; |
232 | if ( $value =~ m!^/! ) { |
233 | return ( 'Path', $value ); |
5b707014 |
234 | } |
27708fc5 |
235 | elsif ( length $value ) { |
236 | return ( 'Path', join( '/', $self->path_prefix($c), $value ) ); |
237 | } |
238 | else { |
239 | return ( 'Path', $self->path_prefix($c) ); |
240 | } |
241 | } |
242 | |
243 | sub _parse_Regex_attr { |
244 | my ( $self, $c, $name, $value ) = @_; |
245 | return ( 'Regex', $value ); |
5b707014 |
246 | } |
247 | |
27708fc5 |
248 | sub _parse_Regexp_attr { shift->_parse_Regex_attr(@_); } |
249 | |
250 | sub _parse_LocalRegex_attr { |
251 | my ( $self, $c, $name, $value ) = @_; |
252 | unless ( $value =~ s/^\^// ) { $value = "(?:.*?)$value"; } |
253 | return ( 'Regex', '^' . $self->path_prefix($c) . "/${value}" ); |
254 | } |
255 | |
256 | sub _parse_LocalRegexp_attr { shift->_parse_LocalRegex_attr(@_); } |
257 | |
734a1e11 |
258 | sub _parse_ActionClass_attr { |
259 | my ( $self, $c, $name, $value ) = @_; |
260 | unless ( $value =~ s/^\+// ) { |
261 | $value = join('::', $self->_action_class, $value ); |
262 | } |
263 | return ( 'ActionClass', $value ); |
264 | } |
265 | |
fc7ec1d9 |
266 | =head1 SEE ALSO |
267 | |
e7f1cf73 |
268 | L<Catalyst>, L<Catalyst::Controller>. |
fc7ec1d9 |
269 | |
270 | =head1 AUTHOR |
271 | |
272 | Sebastian Riedel, C<sri@cpan.org> |
61b1e958 |
273 | Marcus Ramberg, C<mramberg@cpan.org> |
ba599d1c |
274 | Matt S Trout, C<mst@shadowcatsystems.co.uk> |
fc7ec1d9 |
275 | |
276 | =head1 COPYRIGHT |
277 | |
278 | This program is free software, you can redistribute it and/or modify it under |
279 | the same terms as Perl itself. |
280 | |
281 | =cut |
282 | |
283 | 1; |