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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/; |
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5 | |
a2f2cde9 |
6 | use Catalyst::Exception; |
91d4abc5 |
7 | use Catalyst::Utils; |
8 | use Class::Inspector; |
fc7ec1d9 |
9 | use NEXT; |
10 | |
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11 | __PACKAGE__->mk_classdata($_) for qw/_dispatch_steps _action_class/; |
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12 | |
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13 | __PACKAGE__->_dispatch_steps( [qw/_BEGIN _AUTO _ACTION/] ); |
97d6d2bd |
14 | __PACKAGE__->_action_class('Catalyst::Action'); |
ac733264 |
15 | |
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16 | sub _DISPATCH : Private { |
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17 | my ( $self, $c ) = @_; |
1143712c |
18 | |
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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 { |
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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 | } |
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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 | |
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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 | } |
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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 | |
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78 | =head1 METHODS |
79 | |
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80 | =head2 $self->action_namespace($c) |
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81 | |
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82 | Returns the private namespace for actions in this component. Defaults to a value |
83 | from the controller name (for e.g. MyApp::Controller::Foo::Bar becomes |
84 | "foo/bar") or can be overriden from the "namespace" config key. |
649fd1fa |
85 | |
aad72cc9 |
86 | =cut |
87 | |
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88 | sub action_namespace { |
89 | my ( $self, $c ) = @_; |
c02f7490 |
90 | my $hash = (ref $self ? $self : $self->config); # hate app-is-class |
9488795c |
91 | return $hash->{namespace} if exists $hash->{namespace}; |
1cf67b31 |
92 | return Catalyst::Utils::class2prefix( ref($self) || $self, |
57e45928 |
93 | $c->config->{case_sensitive} ) |
94 | || ''; |
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95 | } |
96 | |
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97 | =head2 $self->path_prefix($c) |
98 | |
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99 | Returns the default path prefix for :Local, :LocalRegex and relative :Path |
100 | actions in this component. Defaults to the action_namespace or can be |
101 | overriden from the "path" config key. |
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102 | |
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103 | =cut |
104 | |
1b1636b5 |
105 | sub path_prefix { |
106 | my ( $self, $c ) = @_; |
107 | my $hash = (ref $self ? $self : $self->config); # hate app-is-class |
108 | return $hash->{path} if exists $hash->{path}; |
109 | return shift->action_namespace(@_); |
110 | } |
27708fc5 |
111 | |
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112 | =head2 $self->register_actions($c) |
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113 | |
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114 | register all actions for this component based on a given context. |
115 | |
aad72cc9 |
116 | =cut |
117 | |
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118 | sub register_actions { |
119 | my ( $self, $c ) = @_; |
120 | my $class = ref $self || $self; |
57e45928 |
121 | my $namespace = $self->action_namespace($c); |
91d4abc5 |
122 | my %methods; |
57e45928 |
123 | $methods{ $self->can($_) } = $_ |
124 | for @{ Class::Inspector->methods($class) || [] }; |
125 | |
126 | # Advanced inheritance support for plugins and the like |
127 | my @action_cache; |
128 | { |
129 | no strict 'refs'; |
130 | for my $isa ( @{"$class\::ISA"}, $class ) { |
131 | push @action_cache, @{ $isa->_action_cache } |
132 | if $isa->can('_action_cache'); |
133 | } |
134 | } |
135 | |
136 | foreach my $cache (@action_cache) { |
137 | my $code = $cache->[0]; |
91d4abc5 |
138 | my $method = $methods{$code}; |
139 | next unless $method; |
5b707014 |
140 | my $attrs = $self->_parse_attrs( $c, $method, @{ $cache->[1] } ); |
57e45928 |
141 | if ( $attrs->{Private} && ( keys %$attrs > 1 ) ) { |
91d4abc5 |
142 | $c->log->debug( 'Bad action definition "' |
57e45928 |
143 | . join( ' ', @{ $cache->[1] } ) |
91d4abc5 |
144 | . qq/" for "$class->$method"/ ) |
145 | if $c->debug; |
146 | next; |
147 | } |
148 | my $reverse = $namespace ? "$namespace/$method" : $method; |
f40acefd |
149 | my $action = $self->create_action( |
150 | name => $method, |
151 | code => $code, |
152 | reverse => $reverse, |
153 | namespace => $namespace, |
154 | class => $class, |
155 | attributes => $attrs, |
91d4abc5 |
156 | ); |
f40acefd |
157 | |
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158 | $c->dispatcher->register( $c, $action ); |
91d4abc5 |
159 | } |
160 | } |
161 | |
f40acefd |
162 | sub create_action { |
163 | my $self = shift; |
734a1e11 |
164 | my %args = @_; |
165 | |
166 | my $class = (exists $args{attributes}{ActionClass} |
167 | ? $args{attributes}{ActionClass}[0] |
168 | : $self->_action_class); |
169 | |
16d306fa |
170 | unless ( Class::Inspector->loaded($class) ) { |
1e514a51 |
171 | require Class::Inspector->filename($class); |
734a1e11 |
172 | } |
173 | |
174 | return $class->new( \%args ); |
f40acefd |
175 | } |
176 | |
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177 | sub _parse_attrs { |
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178 | my ( $self, $c, $name, @attrs ) = @_; |
d030cb97 |
179 | |
180 | my %raw_attributes; |
181 | |
91d4abc5 |
182 | foreach my $attr (@attrs) { |
183 | |
184 | # Parse out :Foo(bar) into Foo => bar etc (and arrayify) |
185 | |
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186 | if ( my ( $key, $value ) = ( $attr =~ /^(.*?)(?:\(\s*(.+?)\s*\))?$/ ) ) |
187 | { |
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188 | |
189 | if ( defined $value ) { |
190 | ( $value =~ s/^'(.*)'$/$1/ ) || ( $value =~ s/^"(.*)"/$1/ ); |
191 | } |
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192 | push( @{ $raw_attributes{$key} }, $value ); |
193 | } |
194 | } |
195 | |
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196 | my $hash = (ref $self ? $self : $self->config); # hate app-is-class |
197 | |
198 | if (exists $hash->{actions} || exists $hash->{action}) { |
199 | my $a = $hash->{actions} || $hash->{action}; |
200 | %raw_attributes = ((exists $a->{'*'} ? %{$a->{'*'}} : ()), |
201 | %raw_attributes, |
202 | (exists $a->{$name} ? %{$a->{$name}} : ())); |
203 | } |
204 | |
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205 | my %final_attributes; |
206 | |
207 | foreach my $key (keys %raw_attributes) { |
208 | |
c02f7490 |
209 | my $raw = $raw_attributes{$key}; |
210 | |
211 | foreach my $value (ref($raw) ? @$raw : $raw) { |
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212 | |
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213 | my $meth = "_parse_${key}_attr"; |
214 | if ( $self->can($meth) ) { |
215 | ( $key, $value ) = $self->$meth( $c, $name, $value ); |
216 | } |
d030cb97 |
217 | push( @{ $final_attributes{$key} }, $value ); |
91d4abc5 |
218 | } |
219 | } |
d030cb97 |
220 | |
221 | return \%final_attributes; |
91d4abc5 |
222 | } |
223 | |
5b707014 |
224 | sub _parse_Global_attr { |
225 | my ( $self, $c, $name, $value ) = @_; |
226 | return $self->_parse_Path_attr( $c, $name, "/$name" ); |
227 | } |
228 | |
27708fc5 |
229 | sub _parse_Absolute_attr { shift->_parse_Global_attr(@_); } |
5b707014 |
230 | |
231 | sub _parse_Local_attr { |
232 | my ( $self, $c, $name, $value ) = @_; |
233 | return $self->_parse_Path_attr( $c, $name, $name ); |
234 | } |
235 | |
27708fc5 |
236 | sub _parse_Relative_attr { shift->_parse_Local_attr(@_); } |
5b707014 |
237 | |
238 | sub _parse_Path_attr { |
239 | my ( $self, $c, $name, $value ) = @_; |
240 | $value ||= ''; |
241 | if ( $value =~ m!^/! ) { |
242 | return ( 'Path', $value ); |
5b707014 |
243 | } |
27708fc5 |
244 | elsif ( length $value ) { |
245 | return ( 'Path', join( '/', $self->path_prefix($c), $value ) ); |
246 | } |
247 | else { |
248 | return ( 'Path', $self->path_prefix($c) ); |
249 | } |
250 | } |
251 | |
252 | sub _parse_Regex_attr { |
253 | my ( $self, $c, $name, $value ) = @_; |
254 | return ( 'Regex', $value ); |
5b707014 |
255 | } |
256 | |
27708fc5 |
257 | sub _parse_Regexp_attr { shift->_parse_Regex_attr(@_); } |
258 | |
259 | sub _parse_LocalRegex_attr { |
260 | my ( $self, $c, $name, $value ) = @_; |
261 | unless ( $value =~ s/^\^// ) { $value = "(?:.*?)$value"; } |
262 | return ( 'Regex', '^' . $self->path_prefix($c) . "/${value}" ); |
263 | } |
264 | |
265 | sub _parse_LocalRegexp_attr { shift->_parse_LocalRegex_attr(@_); } |
266 | |
734a1e11 |
267 | sub _parse_ActionClass_attr { |
268 | my ( $self, $c, $name, $value ) = @_; |
269 | unless ( $value =~ s/^\+// ) { |
270 | $value = join('::', $self->_action_class, $value ); |
271 | } |
272 | return ( 'ActionClass', $value ); |
273 | } |
274 | |
fc7ec1d9 |
275 | =head1 SEE ALSO |
276 | |
e7f1cf73 |
277 | L<Catalyst>, L<Catalyst::Controller>. |
fc7ec1d9 |
278 | |
279 | =head1 AUTHOR |
280 | |
281 | Sebastian Riedel, C<sri@cpan.org> |
61b1e958 |
282 | Marcus Ramberg, C<mramberg@cpan.org> |
ba599d1c |
283 | Matt S Trout, C<mst@shadowcatsystems.co.uk> |
fc7ec1d9 |
284 | |
285 | =head1 COPYRIGHT |
286 | |
287 | This program is free software, you can redistribute it and/or modify it under |
288 | the same terms as Perl itself. |
289 | |
290 | =cut |
291 | |
292 | 1; |