Commit | Line | Data |
68a748b9 |
1 | package Catalyst::Dispatcher; |
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2 | |
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3 | use Moose; |
068c0898 |
4 | use Class::MOP; |
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5 | with 'MooseX::Emulate::Class::Accessor::Fast'; |
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6 | |
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7 | use Catalyst::Exception; |
f05af9ba |
8 | use Catalyst::Utils; |
fbcc39ad |
9 | use Catalyst::Action; |
b7aebc12 |
10 | use Catalyst::ActionContainer; |
b96f127f |
11 | use Catalyst::DispatchType::Default; |
bcccee4e |
12 | use Catalyst::DispatchType::Index; |
39fc2ce1 |
13 | use Catalyst::Utils; |
87b85407 |
14 | use Text::SimpleTable; |
1abd6db7 |
15 | use Tree::Simple; |
16 | use Tree::Simple::Visitor::FindByPath; |
17 | |
792d99b4 |
18 | use namespace::clean -except => 'meta'; |
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19 | |
c41cfce3 |
20 | # Refactoring note: |
21 | # do these belong as package vars or should we build these via a builder method? |
22 | # See Catalyst-Plugin-Server for them being added to, which should be much less ugly. |
23 | |
6d030e6f |
24 | # Preload these action types |
61a9002d |
25 | our @PRELOAD = qw/Index Path Regex/; |
1abd6db7 |
26 | |
2d1d8f91 |
27 | # Postload these action types |
61a9002d |
28 | our @POSTLOAD = qw/Default/; |
2d1d8f91 |
29 | |
c41cfce3 |
30 | # Note - see back-compat methods at end of file. |
792d99b4 |
31 | has _tree => (is => 'rw', builder => '_build__tree'); |
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32 | has dispatch_types => (is => 'rw', default => sub { [] }, required => 1, lazy => 1); |
c41cfce3 |
33 | has _registered_dispatch_types => (is => 'rw', default => sub { {} }, required => 1, lazy => 1); |
34 | has _method_action_class => (is => 'rw', default => 'Catalyst::Action'); |
35 | has _action_hash => (is => 'rw', required => 1, lazy => 1, default => sub { {} }); |
36 | has _container_hash => (is => 'rw', required => 1, lazy => 1, default => sub { {} }); |
7ffc9d9d |
37 | |
11ff9b94 |
38 | my %dispatch_types = ( pre => \@PRELOAD, post => \@POSTLOAD ); |
39 | foreach my $type (keys %dispatch_types) { |
40 | has $type . "load_dispatch_types" => ( |
41 | is => 'rw', required => 1, lazy => 1, default => sub { $dispatch_types{$type} }, |
42 | traits => ['MooseX::Emulate::Class::Accessor::Fast::Meta::Role::Attribute'], # List assignment is CAF style |
43 | ); |
44 | } |
083ee5d9 |
45 | |
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46 | =head1 NAME |
47 | |
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48 | Catalyst::Dispatcher - The Catalyst Dispatcher |
1abd6db7 |
49 | |
50 | =head1 SYNOPSIS |
51 | |
52 | See L<Catalyst>. |
53 | |
54 | =head1 DESCRIPTION |
55 | |
4ab87e27 |
56 | This is the class that maps public urls to actions in your Catalyst |
57 | application based on the attributes you set. |
58 | |
1abd6db7 |
59 | =head1 METHODS |
60 | |
b0ad47c1 |
61 | =head2 new |
4ab87e27 |
62 | |
63 | Construct a new dispatcher. |
64 | |
e7bb8d33 |
65 | =cut |
66 | |
792d99b4 |
67 | sub _build__tree { |
68 | my ($self) = @_; |
9e81ba44 |
69 | |
068c0898 |
70 | my $container = |
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71 | Catalyst::ActionContainer->new( { part => '/', actions => {} } ); |
a13e21ab |
72 | |
792d99b4 |
73 | return Tree::Simple->new($container, Tree::Simple->ROOT); |
e7bb8d33 |
74 | } |
75 | |
76 | =head2 $self->preload_dispatch_types |
77 | |
78 | An arrayref of pre-loaded dispatchtype classes |
79 | |
80 | Entries are considered to be available as C<Catalyst::DispatchType::CLASS> |
81 | To use a custom class outside the regular C<Catalyst> namespace, prefix |
82 | it with a C<+>, like so: |
83 | |
84 | +My::Dispatch::Type |
85 | |
86 | =head2 $self->postload_dispatch_types |
87 | |
88 | An arrayref of post-loaded dispatchtype classes |
89 | |
90 | Entries are considered to be available as C<Catalyst::DispatchType::CLASS> |
91 | To use a custom class outside the regular C<Catalyst> namespace, prefix |
92 | it with a C<+>, like so: |
93 | |
94 | +My::Dispatch::Type |
95 | |
b5ecfcf0 |
96 | =head2 $self->dispatch($c) |
1abd6db7 |
97 | |
4ab87e27 |
98 | Delegate the dispatch to the action that matched the url, or return a |
99 | message about unknown resource |
100 | |
1abd6db7 |
101 | =cut |
102 | |
103 | sub dispatch { |
fbcc39ad |
104 | my ( $self, $c ) = @_; |
e63bdf38 |
105 | if ( my $action = $c->action ) { |
106 | $c->forward( join( '/', '', $action->namespace, '_DISPATCH' ) ); |
fbcc39ad |
107 | } |
fbcc39ad |
108 | else { |
1abd6db7 |
109 | my $path = $c->req->path; |
110 | my $error = $path |
111 | ? qq/Unknown resource "$path"/ |
112 | : "No default action defined"; |
113 | $c->log->error($error) if $c->debug; |
114 | $c->error($error); |
115 | } |
116 | } |
117 | |
2f381252 |
118 | # $self->_command2action( $c, $command [, \@arguments ] ) |
b456f8f3 |
119 | # $self->_command2action( $c, $command [, \@captures, \@arguments ] ) |
120 | # Search for an action, from the command and returns C<($action, $args, $captures)> on |
2f381252 |
121 | # success. Returns C<(0)> on error. |
1abd6db7 |
122 | |
2f381252 |
123 | sub _command2action { |
e72f8f51 |
124 | my ( $self, $c, $command, @extra_params ) = @_; |
99fe1710 |
125 | |
1abd6db7 |
126 | unless ($command) { |
2f381252 |
127 | $c->log->debug('Nothing to go to') if $c->debug; |
1abd6db7 |
128 | return 0; |
129 | } |
99fe1710 |
130 | |
b456f8f3 |
131 | my (@args, @captures); |
132 | |
133 | if ( ref( $extra_params[-2] ) eq 'ARRAY' ) { |
e1e81442 |
134 | @captures = @{ splice @extra_params, -2, 1 }; |
b456f8f3 |
135 | } |
068c0898 |
136 | |
e72f8f51 |
137 | if ( ref( $extra_params[-1] ) eq 'ARRAY' ) { |
138 | @args = @{ pop @extra_params } |
139 | } else { |
2f381252 |
140 | # this is a copy, it may take some abuse from |
141 | # ->_invoke_as_path if the path had trailing parts |
e72f8f51 |
142 | @args = @{ $c->request->arguments }; |
143 | } |
144 | |
145 | my $action; |
146 | |
2f381252 |
147 | # go to a string path ("/foo/bar/gorch") |
e31b525c |
148 | # or action object |
7e95ba12 |
149 | if (blessed($command) && $command->isa('Catalyst::Action')) { |
e31b525c |
150 | $action = $command; |
151 | } |
152 | else { |
153 | $action = $self->_invoke_as_path( $c, "$command", \@args ); |
154 | } |
99fe1710 |
155 | |
76ac74ec |
156 | # go to a component ( "View::Foo" or $c->component("...") |
2f381252 |
157 | # - a path or an object) |
e72f8f51 |
158 | unless ($action) { |
159 | my $method = @extra_params ? $extra_params[0] : "process"; |
160 | $action = $self->_invoke_as_component( $c, $command, $method ); |
161 | } |
99fe1710 |
162 | |
b456f8f3 |
163 | return $action, \@args, \@captures; |
2f381252 |
164 | } |
165 | |
ae0e35ee |
166 | =head2 $self->visit( $c, $command [, \@arguments ] ) |
2f381252 |
167 | |
168 | Documented in L<Catalyst> |
169 | |
170 | =cut |
171 | |
ae0e35ee |
172 | sub visit { |
2f381252 |
173 | my $self = shift; |
ae0e35ee |
174 | $self->_do_visit('visit', @_); |
175 | } |
176 | |
177 | sub _do_visit { |
178 | my $self = shift; |
179 | my $opname = shift; |
2f381252 |
180 | my ( $c, $command ) = @_; |
b456f8f3 |
181 | my ( $action, $args, $captures ) = $self->_command2action(@_); |
ae0e35ee |
182 | my $error = qq/Couldn't $opname("$command"): /; |
2f381252 |
183 | |
ae0e35ee |
184 | if (!$action) { |
3ea37672 |
185 | $error .= qq/Couldn't $opname to command "$command": / |
186 | .qq/Invalid action or component./; |
ae0e35ee |
187 | } |
188 | elsif (!defined $action->namespace) { |
189 | $error .= qq/Action has no namespace: cannot $opname() to a plain / |
382d317c |
190 | .qq/method or component, must be an :Action of some sort./ |
ae0e35ee |
191 | } |
192 | elsif (!$action->class->can('_DISPATCH')) { |
193 | $error .= qq/Action cannot _DISPATCH. / |
194 | .qq/Did you try to $opname() a non-controller action?/; |
195 | } |
196 | else { |
197 | $error = q(); |
198 | } |
199 | |
200 | if($error) { |
2f381252 |
201 | $c->error($error); |
202 | $c->log->debug($error) if $c->debug; |
203 | return 0; |
204 | } |
205 | |
52f71256 |
206 | $action = $self->expand_action($action); |
207 | |
2f381252 |
208 | local $c->request->{arguments} = $args; |
b456f8f3 |
209 | local $c->request->{captures} = $captures; |
ae0e35ee |
210 | local $c->{namespace} = $action->{'namespace'}; |
211 | local $c->{action} = $action; |
212 | |
2f381252 |
213 | $self->dispatch($c); |
ae0e35ee |
214 | } |
215 | |
216 | =head2 $self->go( $c, $command [, \@arguments ] ) |
217 | |
218 | Documented in L<Catalyst> |
219 | |
220 | =cut |
2f381252 |
221 | |
ae0e35ee |
222 | sub go { |
223 | my $self = shift; |
224 | $self->_do_visit('go', @_); |
f87b7c21 |
225 | Catalyst::Exception::Go->throw; |
2f381252 |
226 | } |
227 | |
228 | =head2 $self->forward( $c, $command [, \@arguments ] ) |
229 | |
230 | Documented in L<Catalyst> |
231 | |
232 | =cut |
233 | |
234 | sub forward { |
235 | my $self = shift; |
6f3df815 |
236 | no warnings 'recursion'; |
3ea37672 |
237 | $self->_do_forward(forward => @_); |
238 | } |
239 | |
240 | sub _do_forward { |
241 | my $self = shift; |
242 | my $opname = shift; |
2f381252 |
243 | my ( $c, $command ) = @_; |
b456f8f3 |
244 | my ( $action, $args, $captures ) = $self->_command2action(@_); |
99fe1710 |
245 | |
3ea37672 |
246 | if (!$action) { |
247 | my $error .= qq/Couldn't $opname to command "$command": / |
248 | .qq/Invalid action or component./; |
e540158b |
249 | $c->error($error); |
250 | $c->log->debug($error) if $c->debug; |
251 | return 0; |
252 | } |
bd7d2e94 |
253 | |
059c085b |
254 | |
12f0342e |
255 | local $c->request->{arguments} = $args; |
6f3df815 |
256 | no warnings 'recursion'; |
b8f669f3 |
257 | $action->dispatch( $c ); |
3ea37672 |
258 | |
1abd6db7 |
259 | return $c->state; |
260 | } |
261 | |
3ea37672 |
262 | =head2 $self->detach( $c, $command [, \@arguments ] ) |
263 | |
264 | Documented in L<Catalyst> |
265 | |
266 | =cut |
267 | |
268 | sub detach { |
269 | my ( $self, $c, $command, @args ) = @_; |
270 | $self->_do_forward(detach => $c, $command, @args ) if $command; |
f87b7c21 |
271 | Catalyst::Exception::Detach->throw; |
3ea37672 |
272 | } |
273 | |
adb53907 |
274 | sub _action_rel2abs { |
e540158b |
275 | my ( $self, $c, $path ) = @_; |
276 | |
277 | unless ( $path =~ m#^/# ) { |
278 | my $namespace = $c->stack->[-1]->namespace; |
279 | $path = "$namespace/$path"; |
280 | } |
281 | |
282 | $path =~ s#^/##; |
283 | return $path; |
adb53907 |
284 | } |
285 | |
286 | sub _invoke_as_path { |
e540158b |
287 | my ( $self, $c, $rel_path, $args ) = @_; |
288 | |
e540158b |
289 | my $path = $self->_action_rel2abs( $c, $rel_path ); |
290 | |
291 | my ( $tail, @extra_args ); |
292 | while ( ( $path, $tail ) = ( $path =~ m#^(?:(.*)/)?(\w+)?$# ) ) |
293 | { # allow $path to be empty |
294 | if ( my $action = $c->get_action( $tail, $path ) ) { |
295 | push @$args, @extra_args; |
296 | return $action; |
297 | } |
298 | else { |
299 | return |
300 | unless $path |
301 | ; # if a match on the global namespace failed then the whole lookup failed |
302 | } |
303 | |
304 | unshift @extra_args, $tail; |
305 | } |
adb53907 |
306 | } |
307 | |
02298d3a |
308 | sub _find_component { |
e540158b |
309 | my ( $self, $c, $component ) = @_; |
adb53907 |
310 | |
02298d3a |
311 | return blessed($component) |
312 | ? $component |
313 | : $c->component($component); |
adb53907 |
314 | } |
315 | |
316 | sub _invoke_as_component { |
02298d3a |
317 | my ( $self, $c, $component_or_class, $method ) = @_; |
e540158b |
318 | |
02298d3a |
319 | my $component = $self->_find_component($c, $component_or_class); |
320 | my $component_class = blessed $component || return 0; |
e540158b |
321 | |
02298d3a |
322 | if (my $code = $component_class->can('action_for')) { |
323 | my $possible_action = $component->$code($method); |
84c28acb |
324 | return $possible_action if $possible_action; |
325 | } |
326 | |
02298d3a |
327 | if ( my $code = $component_class->can($method) ) { |
c41cfce3 |
328 | return $self->_method_action_class->new( |
e540158b |
329 | { |
330 | name => $method, |
331 | code => $code, |
02298d3a |
332 | reverse => "$component_class->$method", |
333 | class => $component_class, |
e540158b |
334 | namespace => Catalyst::Utils::class2prefix( |
df960201 |
335 | $component_class, ref($c)->config->{case_sensitive} |
e540158b |
336 | ), |
337 | } |
338 | ); |
339 | } |
340 | else { |
341 | my $error = |
02298d3a |
342 | qq/Couldn't forward to "$component_class". Does not implement "$method"/; |
e540158b |
343 | $c->error($error); |
344 | $c->log->debug($error) |
345 | if $c->debug; |
346 | return 0; |
347 | } |
adb53907 |
348 | } |
349 | |
b5ecfcf0 |
350 | =head2 $self->prepare_action($c) |
fbcc39ad |
351 | |
4ab87e27 |
352 | Find an dispatch type that matches $c->req->path, and set args from it. |
353 | |
fbcc39ad |
354 | =cut |
355 | |
356 | sub prepare_action { |
357 | my ( $self, $c ) = @_; |
e63bdf38 |
358 | my $req = $c->req; |
359 | my $path = $req->path; |
360 | my @path = split /\//, $req->path; |
361 | $req->args( \my @args ); |
fbcc39ad |
362 | |
61a9002d |
363 | unshift( @path, '' ); # Root action |
78d760bb |
364 | |
b96f127f |
365 | DESCEND: while (@path) { |
fbcc39ad |
366 | $path = join '/', @path; |
5299fff8 |
367 | $path =~ s#^/+##; |
78d760bb |
368 | |
22f3a8dd |
369 | # Check out dispatch types to see if any will handle the path at |
370 | # this level |
371 | |
a2aac3b8 |
372 | foreach my $type ( @{ $self->dispatch_types } ) { |
2633d7dc |
373 | last DESCEND if $type->match( $c, $path ); |
66e28e3f |
374 | } |
b96f127f |
375 | |
22f3a8dd |
376 | # If not, move the last part path to args |
4082e678 |
377 | my $arg = pop(@path); |
378 | $arg =~ s/%([0-9A-Fa-f]{2})/chr(hex($1))/eg; |
379 | unshift @args, $arg; |
fbcc39ad |
380 | } |
381 | |
e63bdf38 |
382 | s/%([0-9A-Fa-f]{2})/chr(hex($1))/eg for grep { defined } @{$req->captures||[]}; |
66d7ad40 |
383 | |
e63bdf38 |
384 | $c->log->debug( 'Path is "' . $req->match . '"' ) |
076bfad3 |
385 | if ( $c->debug && defined $req->match && length $req->match ); |
e3a13771 |
386 | |
fbcc39ad |
387 | $c->log->debug( 'Arguments are "' . join( '/', @args ) . '"' ) |
388 | if ( $c->debug && @args ); |
389 | } |
390 | |
b5ecfcf0 |
391 | =head2 $self->get_action( $action, $namespace ) |
1abd6db7 |
392 | |
4ab87e27 |
393 | returns a named action from a given namespace. |
394 | |
1abd6db7 |
395 | =cut |
396 | |
397 | sub get_action { |
bcd1002b |
398 | my ( $self, $name, $namespace ) = @_; |
79a3189a |
399 | return unless $name; |
3d0d6d21 |
400 | |
2f381252 |
401 | $namespace = join( "/", grep { length } split '/', ( defined $namespace ? $namespace : "" ) ); |
99fe1710 |
402 | |
c41cfce3 |
403 | return $self->_action_hash->{"${namespace}/${name}"}; |
1abd6db7 |
404 | } |
405 | |
b0ad47c1 |
406 | =head2 $self->get_action_by_path( $path ); |
068c0898 |
407 | |
ab990582 |
408 | Returns the named action by its full private path. |
3d0d6d21 |
409 | |
068c0898 |
410 | =cut |
3d0d6d21 |
411 | |
412 | sub get_action_by_path { |
413 | my ( $self, $path ) = @_; |
ea0e58d9 |
414 | $path =~ s/^\///; |
28928de9 |
415 | $path = "/$path" unless $path =~ /\//; |
c41cfce3 |
416 | $self->_action_hash->{$path}; |
3d0d6d21 |
417 | } |
418 | |
b5ecfcf0 |
419 | =head2 $self->get_actions( $c, $action, $namespace ) |
a9dc674c |
420 | |
421 | =cut |
422 | |
423 | sub get_actions { |
424 | my ( $self, $c, $action, $namespace ) = @_; |
425 | return [] unless $action; |
3d0d6d21 |
426 | |
28928de9 |
427 | $namespace = join( "/", grep { length } split '/', $namespace || "" ); |
a9dc674c |
428 | |
429 | my @match = $self->get_containers($namespace); |
430 | |
684d10ed |
431 | return map { $_->get_action($action) } @match; |
a9dc674c |
432 | } |
433 | |
b5ecfcf0 |
434 | =head2 $self->get_containers( $namespace ) |
cfd04b0c |
435 | |
4ab87e27 |
436 | Return all the action containers for a given namespace, inclusive |
437 | |
cfd04b0c |
438 | =cut |
439 | |
440 | sub get_containers { |
441 | my ( $self, $namespace ) = @_; |
a13e21ab |
442 | $namespace ||= ''; |
443 | $namespace = '' if $namespace eq '/'; |
cfd04b0c |
444 | |
a13e21ab |
445 | my @containers; |
cfd04b0c |
446 | |
7f23827b |
447 | if ( length $namespace ) { |
448 | do { |
c41cfce3 |
449 | push @containers, $self->_container_hash->{$namespace}; |
7f23827b |
450 | } while ( $namespace =~ s#/[^/]+$## ); |
451 | } |
90ce41ba |
452 | |
c41cfce3 |
453 | return reverse grep { defined } @containers, $self->_container_hash->{''}; |
cfd04b0c |
454 | } |
455 | |
ea0e58d9 |
456 | =head2 $self->uri_for_action($action, \@captures) |
457 | |
458 | Takes a Catalyst::Action object and action parameters and returns a URI |
459 | part such that if $c->req->path were this URI part, this action would be |
460 | dispatched to with $c->req->captures set to the supplied arrayref. |
461 | |
462 | If the action object is not available for external dispatch or the dispatcher |
463 | cannot determine an appropriate URI, this method will return undef. |
464 | |
465 | =cut |
466 | |
467 | sub uri_for_action { |
468 | my ( $self, $action, $captures) = @_; |
469 | $captures ||= []; |
a2aac3b8 |
470 | foreach my $dispatch_type ( @{ $self->dispatch_types } ) { |
ea0e58d9 |
471 | my $uri = $dispatch_type->uri_for_action( $action, $captures ); |
81e75875 |
472 | return( $uri eq '' ? '/' : $uri ) |
473 | if defined($uri); |
ea0e58d9 |
474 | } |
475 | return undef; |
476 | } |
477 | |
8f5a2bd9 |
478 | =head2 expand_action |
ae0e35ee |
479 | |
480 | expand an action into a full representation of the dispatch. |
481 | mostly useful for chained, other actions will just return a |
482 | single action. |
483 | |
484 | =cut |
485 | |
52f71256 |
486 | sub expand_action { |
487 | my ($self, $action) = @_; |
488 | |
a2aac3b8 |
489 | foreach my $dispatch_type (@{ $self->dispatch_types }) { |
52f71256 |
490 | my $expanded = $dispatch_type->expand_action($action); |
491 | return $expanded if $expanded; |
492 | } |
493 | |
494 | return $action; |
495 | } |
496 | |
b5ecfcf0 |
497 | =head2 $self->register( $c, $action ) |
aad72cc9 |
498 | |
4ab87e27 |
499 | Make sure all required dispatch types for this action are loaded, then |
500 | pass the action to our dispatch types so they can register it if required. |
501 | Also, set up the tree with the action containers. |
502 | |
aad72cc9 |
503 | =cut |
504 | |
79a3189a |
505 | sub register { |
506 | my ( $self, $c, $action ) = @_; |
507 | |
c41cfce3 |
508 | my $registered = $self->_registered_dispatch_types; |
694d15f1 |
509 | |
694d15f1 |
510 | foreach my $key ( keys %{ $action->attributes } ) { |
9a6ecf4f |
511 | next if $key eq 'Private'; |
694d15f1 |
512 | my $class = "Catalyst::DispatchType::$key"; |
513 | unless ( $registered->{$class} ) { |
c41cfce3 |
514 | # FIXME - Some error checking and re-throwing needed here, as |
515 | # we eat exceptions loading dispatch types. |
068c0898 |
516 | eval { Class::MOP::load_class($class) }; |
a2aac3b8 |
517 | push( @{ $self->dispatch_types }, $class->new ) unless $@; |
694d15f1 |
518 | $registered->{$class} = 1; |
519 | } |
520 | } |
521 | |
a2aac3b8 |
522 | my @dtypes = @{ $self->dispatch_types }; |
1315d253 |
523 | my @normal_dtypes; |
524 | my @low_precedence_dtypes; |
525 | |
7b442de5 |
526 | for my $type ( @dtypes ) { |
c4586fd0 |
527 | if ($type->_is_low_precedence) { |
1315d253 |
528 | push @low_precedence_dtypes, $type; |
529 | } else { |
530 | push @normal_dtypes, $type; |
531 | } |
532 | } |
533 | |
694d15f1 |
534 | # Pass the action to our dispatch types so they can register it if reqd. |
1315d253 |
535 | my $was_registered = 0; |
536 | foreach my $type ( @normal_dtypes ) { |
537 | $was_registered = 1 if $type->register( $c, $action ); |
538 | } |
539 | |
540 | if (not $was_registered) { |
541 | foreach my $type ( @low_precedence_dtypes ) { |
542 | $type->register( $c, $action ); |
543 | } |
694d15f1 |
544 | } |
545 | |
79a3189a |
546 | my $namespace = $action->namespace; |
a13e21ab |
547 | my $name = $action->name; |
c7116517 |
548 | |
ad5e4650 |
549 | my $container = $self->_find_or_create_action_container($namespace); |
15e9b5dd |
550 | |
551 | # Set the method value |
a13e21ab |
552 | $container->add_action($action); |
c7116517 |
553 | |
c41cfce3 |
554 | $self->_action_hash->{"$namespace/$name"} = $action; |
555 | $self->_container_hash->{$namespace} = $container; |
15e9b5dd |
556 | } |
557 | |
ad5e4650 |
558 | sub _find_or_create_action_container { |
a13e21ab |
559 | my ( $self, $namespace ) = @_; |
560 | |
c41cfce3 |
561 | my $tree ||= $self->_tree; |
99fe1710 |
562 | |
a13e21ab |
563 | return $tree->getNodeValue unless $namespace; |
78d760bb |
564 | |
a13e21ab |
565 | my @namespace = split '/', $namespace; |
566 | return $self->_find_or_create_namespace_node( $tree, @namespace ) |
567 | ->getNodeValue; |
8505565b |
568 | } |
90ce41ba |
569 | |
8505565b |
570 | sub _find_or_create_namespace_node { |
a13e21ab |
571 | my ( $self, $parent, $part, @namespace ) = @_; |
78d760bb |
572 | |
a13e21ab |
573 | return $parent unless $part; |
8505565b |
574 | |
a13e21ab |
575 | my $child = |
576 | ( grep { $_->getNodeValue->part eq $part } $parent->getAllChildren )[0]; |
8505565b |
577 | |
a13e21ab |
578 | unless ($child) { |
579 | my $container = Catalyst::ActionContainer->new($part); |
580 | $parent->addChild( $child = Tree::Simple->new($container) ); |
581 | } |
99fe1710 |
582 | |
a13e21ab |
583 | $self->_find_or_create_namespace_node( $child, @namespace ); |
1abd6db7 |
584 | } |
585 | |
4ab87e27 |
586 | =head2 $self->setup_actions( $class, $context ) |
587 | |
965f3e35 |
588 | Loads all of the pre-load dispatch types, registers their actions and then |
589 | loads all of the post-load dispatch types, and iterates over the tree of |
8f59bbe2 |
590 | actions, displaying the debug information if appropriate. |
1abd6db7 |
591 | |
592 | =cut |
593 | |
594 | sub setup_actions { |
11bd4e3e |
595 | my ( $self, $c ) = @_; |
99fe1710 |
596 | |
9e81ba44 |
597 | my @classes = |
ad5e4650 |
598 | $self->_load_dispatch_types( @{ $self->preload_dispatch_types } ); |
c41cfce3 |
599 | @{ $self->_registered_dispatch_types }{@classes} = (1) x @classes; |
b96f127f |
600 | |
49070d25 |
601 | foreach my $comp ( values %{ $c->components } ) { |
602 | $comp->register_actions($c) if $comp->can('register_actions'); |
1abd6db7 |
603 | } |
e494bd6b |
604 | |
ad5e4650 |
605 | $self->_load_dispatch_types( @{ $self->postload_dispatch_types } ); |
6d030e6f |
606 | |
11bd4e3e |
607 | return unless $c->debug; |
2eb2c42f |
608 | $self->_display_action_tables($c); |
609 | } |
610 | |
611 | sub _display_action_tables { |
612 | my ($self, $c) = @_; |
99fe1710 |
613 | |
48d435ba |
614 | my $avail_width = Catalyst::Utils::term_width() - 12; |
615 | my $col1_width = ($avail_width * .25) < 20 ? 20 : int($avail_width * .25); |
616 | my $col2_width = ($avail_width * .50) < 36 ? 36 : int($avail_width * .50); |
617 | my $col3_width = $avail_width - $col1_width - $col2_width; |
684d10ed |
618 | my $privates = Text::SimpleTable->new( |
48d435ba |
619 | [ $col1_width, 'Private' ], [ $col2_width, 'Class' ], [ $col3_width, 'Method' ] |
684d10ed |
620 | ); |
99fe1710 |
621 | |
87b85407 |
622 | my $has_private = 0; |
1abd6db7 |
623 | my $walker = sub { |
624 | my ( $walker, $parent, $prefix ) = @_; |
625 | $prefix .= $parent->getNodeValue || ''; |
626 | $prefix .= '/' unless $prefix =~ /\/$/; |
b7aebc12 |
627 | my $node = $parent->getNodeValue->actions; |
99fe1710 |
628 | |
78d760bb |
629 | for my $action ( keys %{$node} ) { |
b7aebc12 |
630 | my $action_obj = $node->{$action}; |
b0bb11ec |
631 | next |
632 | if ( ( $action =~ /^_.*/ ) |
633 | && ( !$c->config->{show_internal_actions} ) ); |
684d10ed |
634 | $privates->row( "$prefix$action", $action_obj->class, $action ); |
87b85407 |
635 | $has_private = 1; |
1abd6db7 |
636 | } |
99fe1710 |
637 | |
1abd6db7 |
638 | $walker->( $walker, $_, $prefix ) for $parent->getAllChildren; |
639 | }; |
99fe1710 |
640 | |
c41cfce3 |
641 | $walker->( $walker, $self->_tree, '' ); |
1cf0345b |
642 | $c->log->debug( "Loaded Private actions:\n" . $privates->draw . "\n" ) |
643 | if $has_private; |
99fe1710 |
644 | |
a9cbd748 |
645 | # List all public actions |
a2aac3b8 |
646 | $_->list($c) for @{ $self->dispatch_types }; |
1abd6db7 |
647 | } |
648 | |
ad5e4650 |
649 | sub _load_dispatch_types { |
9e81ba44 |
650 | my ( $self, @types ) = @_; |
651 | |
652 | my @loaded; |
9e81ba44 |
653 | # Preload action types |
654 | for my $type (@types) { |
5d8129e9 |
655 | # first param is undef because we cannot get the appclass |
656 | my $class = Catalyst::Utils::resolve_namespace(undef, 'Catalyst::DispatchType', $type); |
2efad04b |
657 | |
068c0898 |
658 | eval { Class::MOP::load_class($class) }; |
9e81ba44 |
659 | Catalyst::Exception->throw( message => qq/Couldn't load "$class"/ ) |
660 | if $@; |
a2aac3b8 |
661 | push @{ $self->dispatch_types }, $class->new; |
9e81ba44 |
662 | |
663 | push @loaded, $class; |
664 | } |
665 | |
a13e21ab |
666 | return @loaded; |
9e81ba44 |
667 | } |
668 | |
e995c634 |
669 | =head2 $self->dispatch_type( $type ) |
670 | |
671 | Get the DispatchType object of the relevant type, i.e. passing C<$type> of |
672 | C<Chained> would return a L<Catalyst::DispatchType::Chained> object (assuming |
b0ad47c1 |
673 | of course it's being used.) |
e995c634 |
674 | |
675 | =cut |
676 | |
7ffc9d9d |
677 | sub dispatch_type { |
678 | my ($self, $name) = @_; |
196932de |
679 | |
5d8129e9 |
680 | # first param is undef because we cannot get the appclass |
681 | $name = Catalyst::Utils::resolve_namespace(undef, 'Catalyst::DispatchType', $name); |
7ffc9d9d |
682 | |
a2aac3b8 |
683 | for (@{ $self->dispatch_types }) { |
7ffc9d9d |
684 | return $_ if ref($_) eq $name; |
685 | } |
686 | return undef; |
687 | } |
688 | |
c41cfce3 |
689 | use Moose; |
690 | |
691 | # 5.70 backwards compatibility hacks. |
692 | |
693 | # Various plugins (e.g. Plugin::Server and Plugin::Authorization::ACL) |
694 | # need the methods here which *should* be private.. |
695 | |
2efad04b |
696 | # You should be able to use get_actions or get_containers appropriately |
697 | # instead of relying on these methods which expose implementation details |
698 | # of the dispatcher.. |
699 | # |
700 | # IRC backlog included below, please come ask if this doesn't work for you. |
701 | # |
702 | # <@t0m> 5.80, the state of. There are things in the dispatcher which have |
703 | # been deprecated, that we yell at anyone for using, which there isn't |
704 | # a good alternative for yet.. |
705 | # <@mst> er, get_actions/get_containers provides that doesn't it? |
706 | # <@mst> DispatchTypes are loaded on demand anyway |
707 | # <@t0m> I'm thinking of things like _tree which is aliased to 'tree' with |
708 | # warnings otherwise shit breaks.. We're issuing warnings about the |
709 | # correct set of things which you shouldn't be calling.. |
710 | # <@mst> right |
711 | # <@mst> basically, I don't see there's a need for a replacement for anything |
712 | # <@mst> it was never a good idea to call ->tree |
713 | # <@mst> nothingmuch was the only one who did AFAIK |
714 | # <@mst> and he admitted it was a hack ;) |
715 | |
c41cfce3 |
716 | # See also t/lib/TestApp/Plugin/AddDispatchTypes.pm |
717 | |
718 | # Alias _method_name to method_name, add a before modifier to warn.. |
b0ad47c1 |
719 | foreach my $public_method_name (qw/ |
720 | tree |
b0ad47c1 |
721 | registered_dispatch_types |
722 | method_action_class |
723 | action_hash |
c41cfce3 |
724 | container_hash |
725 | /) { |
726 | my $private_method_name = '_' . $public_method_name; |
727 | my $meta = __PACKAGE__->meta; # Calling meta method here fine as we happen at compile time. |
728 | $meta->add_method($public_method_name, $meta->get_method($private_method_name)); |
729 | { |
730 | my %package_hash; # Only warn once per method, per package. These are infrequent enough that |
731 | # I haven't provided a way to disable them, patches welcome. |
732 | $meta->add_before_method_modifier($public_method_name, sub { |
3cd3bc6a |
733 | my $class = caller(2); |
734 | chomp($class); |
b3f7d10b |
735 | $package_hash{$class}++ || do { |
3cd3bc6a |
736 | warn("Class $class is calling the deprecated method\n" |
737 | . " Catalyst::Dispatcher::$public_method_name,\n" |
dacd8b0e |
738 | . " this will be removed in Catalyst 5.9\n"); |
c41cfce3 |
739 | }; |
740 | }); |
741 | } |
742 | } |
743 | # End 5.70 backwards compatibility hacks. |
744 | |
e5ecd5bc |
745 | __PACKAGE__->meta->make_immutable; |
746 | |
059c085b |
747 | =head2 meta |
748 | |
749 | Provided by Moose |
750 | |
2f381252 |
751 | =head1 AUTHORS |
1abd6db7 |
752 | |
2f381252 |
753 | Catalyst Contributors, see Catalyst.pm |
1abd6db7 |
754 | |
755 | =head1 COPYRIGHT |
756 | |
536bee89 |
757 | This library is free software. You can redistribute it and/or modify it under |
1abd6db7 |
758 | the same terms as Perl itself. |
759 | |
760 | =cut |
761 | |
762 | 1; |