Commit | Line | Data |
68a748b9 |
1 | package Catalyst::Dispatcher; |
1abd6db7 |
2 | |
059c085b |
3 | use Moose; |
068c0898 |
4 | use Class::MOP; |
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5 | with 'MooseX::Emulate::Class::Accessor::Fast'; |
059c085b |
6 | |
a2f2cde9 |
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; |
e7399d8b |
16 | use Class::Load qw(load_class try_load_class); |
0ca510f0 |
17 | use Encode 2.21 'decode_utf8'; |
1abd6db7 |
18 | |
792d99b4 |
19 | use namespace::clean -except => 'meta'; |
6f3df815 |
20 | |
c41cfce3 |
21 | # Refactoring note: |
22 | # do these belong as package vars or should we build these via a builder method? |
23 | # See Catalyst-Plugin-Server for them being added to, which should be much less ugly. |
24 | |
6d030e6f |
25 | # Preload these action types |
9c1fc6d6 |
26 | our @PRELOAD = qw/Index Path/; |
1abd6db7 |
27 | |
2d1d8f91 |
28 | # Postload these action types |
61a9002d |
29 | our @POSTLOAD = qw/Default/; |
2d1d8f91 |
30 | |
c41cfce3 |
31 | # Note - see back-compat methods at end of file. |
792d99b4 |
32 | has _tree => (is => 'rw', builder => '_build__tree'); |
5b8ac6cc |
33 | has dispatch_types => (is => 'rw', default => sub { [] }, required => 1, lazy => 1); |
c41cfce3 |
34 | has _registered_dispatch_types => (is => 'rw', default => sub { {} }, required => 1, lazy => 1); |
35 | has _method_action_class => (is => 'rw', default => 'Catalyst::Action'); |
36 | has _action_hash => (is => 'rw', required => 1, lazy => 1, default => sub { {} }); |
37 | has _container_hash => (is => 'rw', required => 1, lazy => 1, default => sub { {} }); |
7ffc9d9d |
38 | |
11ff9b94 |
39 | my %dispatch_types = ( pre => \@PRELOAD, post => \@POSTLOAD ); |
40 | foreach my $type (keys %dispatch_types) { |
41 | has $type . "load_dispatch_types" => ( |
42 | is => 'rw', required => 1, lazy => 1, default => sub { $dispatch_types{$type} }, |
43 | traits => ['MooseX::Emulate::Class::Accessor::Fast::Meta::Role::Attribute'], # List assignment is CAF style |
44 | ); |
45 | } |
083ee5d9 |
46 | |
1abd6db7 |
47 | =head1 NAME |
48 | |
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49 | Catalyst::Dispatcher - The Catalyst Dispatcher |
1abd6db7 |
50 | |
51 | =head1 SYNOPSIS |
52 | |
53 | See L<Catalyst>. |
54 | |
55 | =head1 DESCRIPTION |
56 | |
4ab87e27 |
57 | This is the class that maps public urls to actions in your Catalyst |
58 | application based on the attributes you set. |
59 | |
1abd6db7 |
60 | =head1 METHODS |
61 | |
b0ad47c1 |
62 | =head2 new |
4ab87e27 |
63 | |
64 | Construct a new dispatcher. |
65 | |
e7bb8d33 |
66 | =cut |
67 | |
792d99b4 |
68 | sub _build__tree { |
69 | my ($self) = @_; |
9e81ba44 |
70 | |
068c0898 |
71 | my $container = |
059c085b |
72 | Catalyst::ActionContainer->new( { part => '/', actions => {} } ); |
a13e21ab |
73 | |
792d99b4 |
74 | return Tree::Simple->new($container, Tree::Simple->ROOT); |
e7bb8d33 |
75 | } |
76 | |
77 | =head2 $self->preload_dispatch_types |
78 | |
79 | An arrayref of pre-loaded dispatchtype classes |
80 | |
81 | Entries are considered to be available as C<Catalyst::DispatchType::CLASS> |
82 | To use a custom class outside the regular C<Catalyst> namespace, prefix |
83 | it with a C<+>, like so: |
84 | |
85 | +My::Dispatch::Type |
86 | |
87 | =head2 $self->postload_dispatch_types |
88 | |
89 | An arrayref of post-loaded dispatchtype classes |
90 | |
91 | Entries are considered to be available as C<Catalyst::DispatchType::CLASS> |
92 | To use a custom class outside the regular C<Catalyst> namespace, prefix |
93 | it with a C<+>, like so: |
94 | |
95 | +My::Dispatch::Type |
96 | |
b5ecfcf0 |
97 | =head2 $self->dispatch($c) |
1abd6db7 |
98 | |
4ab87e27 |
99 | Delegate the dispatch to the action that matched the url, or return a |
100 | message about unknown resource |
101 | |
1abd6db7 |
102 | =cut |
103 | |
104 | sub dispatch { |
fbcc39ad |
105 | my ( $self, $c ) = @_; |
e63bdf38 |
106 | if ( my $action = $c->action ) { |
107 | $c->forward( join( '/', '', $action->namespace, '_DISPATCH' ) ); |
fbcc39ad |
108 | } |
fbcc39ad |
109 | else { |
1abd6db7 |
110 | my $path = $c->req->path; |
0ca510f0 |
111 | $path =~ s/%([0-9A-Fa-f]{2})/chr(hex($1))/eg; |
112 | $path = decode_utf8($path); |
113 | |
1abd6db7 |
114 | my $error = $path |
115 | ? qq/Unknown resource "$path"/ |
116 | : "No default action defined"; |
117 | $c->log->error($error) if $c->debug; |
118 | $c->error($error); |
119 | } |
120 | } |
121 | |
2f381252 |
122 | # $self->_command2action( $c, $command [, \@arguments ] ) |
b456f8f3 |
123 | # $self->_command2action( $c, $command [, \@captures, \@arguments ] ) |
124 | # Search for an action, from the command and returns C<($action, $args, $captures)> on |
2f381252 |
125 | # success. Returns C<(0)> on error. |
1abd6db7 |
126 | |
2f381252 |
127 | sub _command2action { |
e72f8f51 |
128 | my ( $self, $c, $command, @extra_params ) = @_; |
99fe1710 |
129 | |
1abd6db7 |
130 | unless ($command) { |
2f381252 |
131 | $c->log->debug('Nothing to go to') if $c->debug; |
1abd6db7 |
132 | return 0; |
133 | } |
99fe1710 |
134 | |
b456f8f3 |
135 | my (@args, @captures); |
136 | |
137 | if ( ref( $extra_params[-2] ) eq 'ARRAY' ) { |
e1e81442 |
138 | @captures = @{ splice @extra_params, -2, 1 }; |
b456f8f3 |
139 | } |
068c0898 |
140 | |
e72f8f51 |
141 | if ( ref( $extra_params[-1] ) eq 'ARRAY' ) { |
142 | @args = @{ pop @extra_params } |
143 | } else { |
2f381252 |
144 | # this is a copy, it may take some abuse from |
145 | # ->_invoke_as_path if the path had trailing parts |
e72f8f51 |
146 | @args = @{ $c->request->arguments }; |
147 | } |
148 | |
149 | my $action; |
150 | |
2f381252 |
151 | # go to a string path ("/foo/bar/gorch") |
e31b525c |
152 | # or action object |
7e95ba12 |
153 | if (blessed($command) && $command->isa('Catalyst::Action')) { |
e31b525c |
154 | $action = $command; |
155 | } |
156 | else { |
157 | $action = $self->_invoke_as_path( $c, "$command", \@args ); |
158 | } |
99fe1710 |
159 | |
76ac74ec |
160 | # go to a component ( "View::Foo" or $c->component("...") |
2f381252 |
161 | # - a path or an object) |
e72f8f51 |
162 | unless ($action) { |
163 | my $method = @extra_params ? $extra_params[0] : "process"; |
164 | $action = $self->_invoke_as_component( $c, $command, $method ); |
165 | } |
99fe1710 |
166 | |
b456f8f3 |
167 | return $action, \@args, \@captures; |
2f381252 |
168 | } |
169 | |
ae0e35ee |
170 | =head2 $self->visit( $c, $command [, \@arguments ] ) |
2f381252 |
171 | |
172 | Documented in L<Catalyst> |
173 | |
174 | =cut |
175 | |
ae0e35ee |
176 | sub visit { |
2f381252 |
177 | my $self = shift; |
ae0e35ee |
178 | $self->_do_visit('visit', @_); |
179 | } |
180 | |
181 | sub _do_visit { |
182 | my $self = shift; |
183 | my $opname = shift; |
2f381252 |
184 | my ( $c, $command ) = @_; |
b456f8f3 |
185 | my ( $action, $args, $captures ) = $self->_command2action(@_); |
ae0e35ee |
186 | my $error = qq/Couldn't $opname("$command"): /; |
2f381252 |
187 | |
ae0e35ee |
188 | if (!$action) { |
3ea37672 |
189 | $error .= qq/Couldn't $opname to command "$command": / |
190 | .qq/Invalid action or component./; |
ae0e35ee |
191 | } |
192 | elsif (!defined $action->namespace) { |
193 | $error .= qq/Action has no namespace: cannot $opname() to a plain / |
382d317c |
194 | .qq/method or component, must be an :Action of some sort./ |
ae0e35ee |
195 | } |
196 | elsif (!$action->class->can('_DISPATCH')) { |
197 | $error .= qq/Action cannot _DISPATCH. / |
198 | .qq/Did you try to $opname() a non-controller action?/; |
199 | } |
200 | else { |
201 | $error = q(); |
202 | } |
203 | |
204 | if($error) { |
2f381252 |
205 | $c->error($error); |
206 | $c->log->debug($error) if $c->debug; |
207 | return 0; |
208 | } |
209 | |
52f71256 |
210 | $action = $self->expand_action($action); |
211 | |
2f381252 |
212 | local $c->request->{arguments} = $args; |
b456f8f3 |
213 | local $c->request->{captures} = $captures; |
ae0e35ee |
214 | local $c->{namespace} = $action->{'namespace'}; |
215 | local $c->{action} = $action; |
216 | |
2f381252 |
217 | $self->dispatch($c); |
ae0e35ee |
218 | } |
219 | |
220 | =head2 $self->go( $c, $command [, \@arguments ] ) |
221 | |
222 | Documented in L<Catalyst> |
223 | |
224 | =cut |
2f381252 |
225 | |
ae0e35ee |
226 | sub go { |
227 | my $self = shift; |
228 | $self->_do_visit('go', @_); |
f87b7c21 |
229 | Catalyst::Exception::Go->throw; |
2f381252 |
230 | } |
231 | |
232 | =head2 $self->forward( $c, $command [, \@arguments ] ) |
233 | |
234 | Documented in L<Catalyst> |
235 | |
236 | =cut |
237 | |
238 | sub forward { |
239 | my $self = shift; |
6f3df815 |
240 | no warnings 'recursion'; |
cc7af078 |
241 | return $self->_do_forward(forward => @_); |
3ea37672 |
242 | } |
243 | |
244 | sub _do_forward { |
245 | my $self = shift; |
246 | my $opname = shift; |
2f381252 |
247 | my ( $c, $command ) = @_; |
b456f8f3 |
248 | my ( $action, $args, $captures ) = $self->_command2action(@_); |
99fe1710 |
249 | |
3ea37672 |
250 | if (!$action) { |
251 | my $error .= qq/Couldn't $opname to command "$command": / |
252 | .qq/Invalid action or component./; |
e540158b |
253 | $c->error($error); |
254 | $c->log->debug($error) if $c->debug; |
255 | return 0; |
256 | } |
bd7d2e94 |
257 | |
059c085b |
258 | |
12f0342e |
259 | local $c->request->{arguments} = $args; |
6f3df815 |
260 | no warnings 'recursion'; |
b8f669f3 |
261 | $action->dispatch( $c ); |
3ea37672 |
262 | |
cc7af078 |
263 | #If there is an error, all bets off regarding state. Documentation |
264 | #Specifies that when you forward, if there's an error you must expect |
265 | #state to be 0. |
266 | if( @{ $c->error }) { |
267 | $c->state(0); |
268 | } |
1abd6db7 |
269 | return $c->state; |
270 | } |
271 | |
3ea37672 |
272 | =head2 $self->detach( $c, $command [, \@arguments ] ) |
273 | |
274 | Documented in L<Catalyst> |
275 | |
276 | =cut |
277 | |
278 | sub detach { |
279 | my ( $self, $c, $command, @args ) = @_; |
280 | $self->_do_forward(detach => $c, $command, @args ) if $command; |
e459bd03 |
281 | $c->state(0); # Needed in order to skip any auto functions |
f87b7c21 |
282 | Catalyst::Exception::Detach->throw; |
3ea37672 |
283 | } |
284 | |
adb53907 |
285 | sub _action_rel2abs { |
e540158b |
286 | my ( $self, $c, $path ) = @_; |
287 | |
288 | unless ( $path =~ m#^/# ) { |
289 | my $namespace = $c->stack->[-1]->namespace; |
290 | $path = "$namespace/$path"; |
291 | } |
292 | |
293 | $path =~ s#^/##; |
294 | return $path; |
adb53907 |
295 | } |
296 | |
297 | sub _invoke_as_path { |
e540158b |
298 | my ( $self, $c, $rel_path, $args ) = @_; |
299 | |
e540158b |
300 | my $path = $self->_action_rel2abs( $c, $rel_path ); |
301 | |
302 | my ( $tail, @extra_args ); |
303 | while ( ( $path, $tail ) = ( $path =~ m#^(?:(.*)/)?(\w+)?$# ) ) |
304 | { # allow $path to be empty |
305 | if ( my $action = $c->get_action( $tail, $path ) ) { |
306 | push @$args, @extra_args; |
307 | return $action; |
308 | } |
309 | else { |
310 | return |
311 | unless $path |
312 | ; # if a match on the global namespace failed then the whole lookup failed |
313 | } |
314 | |
315 | unshift @extra_args, $tail; |
316 | } |
adb53907 |
317 | } |
318 | |
02298d3a |
319 | sub _find_component { |
e540158b |
320 | my ( $self, $c, $component ) = @_; |
adb53907 |
321 | |
02298d3a |
322 | # fugly, why doesn't ->component('MyApp') work? |
323 | return $c if ($component eq blessed($c)); |
324 | |
325 | return blessed($component) |
326 | ? $component |
327 | : $c->component($component); |
adb53907 |
328 | } |
329 | |
330 | sub _invoke_as_component { |
02298d3a |
331 | my ( $self, $c, $component_or_class, $method ) = @_; |
e540158b |
332 | |
02298d3a |
333 | my $component = $self->_find_component($c, $component_or_class); |
334 | my $component_class = blessed $component || return 0; |
e540158b |
335 | |
02298d3a |
336 | if (my $code = $component_class->can('action_for')) { |
337 | my $possible_action = $component->$code($method); |
84c28acb |
338 | return $possible_action if $possible_action; |
339 | } |
340 | |
02298d3a |
341 | if ( my $code = $component_class->can($method) ) { |
c41cfce3 |
342 | return $self->_method_action_class->new( |
e540158b |
343 | { |
344 | name => $method, |
345 | code => $code, |
02298d3a |
346 | reverse => "$component_class->$method", |
347 | class => $component_class, |
e540158b |
348 | namespace => Catalyst::Utils::class2prefix( |
df960201 |
349 | $component_class, ref($c)->config->{case_sensitive} |
e540158b |
350 | ), |
351 | } |
352 | ); |
353 | } |
354 | else { |
355 | my $error = |
02298d3a |
356 | qq/Couldn't forward to "$component_class". Does not implement "$method"/; |
e540158b |
357 | $c->error($error); |
358 | $c->log->debug($error) |
359 | if $c->debug; |
360 | return 0; |
361 | } |
adb53907 |
362 | } |
363 | |
b5ecfcf0 |
364 | =head2 $self->prepare_action($c) |
fbcc39ad |
365 | |
4ab87e27 |
366 | Find an dispatch type that matches $c->req->path, and set args from it. |
367 | |
fbcc39ad |
368 | =cut |
369 | |
370 | sub prepare_action { |
371 | my ( $self, $c ) = @_; |
e63bdf38 |
372 | my $req = $c->req; |
373 | my $path = $req->path; |
374 | my @path = split /\//, $req->path; |
375 | $req->args( \my @args ); |
fbcc39ad |
376 | |
61a9002d |
377 | unshift( @path, '' ); # Root action |
78d760bb |
378 | |
b96f127f |
379 | DESCEND: while (@path) { |
fbcc39ad |
380 | $path = join '/', @path; |
5299fff8 |
381 | $path =~ s#^/+##; |
78d760bb |
382 | |
22f3a8dd |
383 | # Check out dispatch types to see if any will handle the path at |
384 | # this level |
385 | |
a2aac3b8 |
386 | foreach my $type ( @{ $self->dispatch_types } ) { |
2633d7dc |
387 | last DESCEND if $type->match( $c, $path ); |
66e28e3f |
388 | } |
b96f127f |
389 | |
22f3a8dd |
390 | # If not, move the last part path to args |
4082e678 |
391 | my $arg = pop(@path); |
392 | $arg =~ s/%([0-9A-Fa-f]{2})/chr(hex($1))/eg; |
393 | unshift @args, $arg; |
fbcc39ad |
394 | } |
395 | |
e63bdf38 |
396 | s/%([0-9A-Fa-f]{2})/chr(hex($1))/eg for grep { defined } @{$req->captures||[]}; |
66d7ad40 |
397 | |
0ca510f0 |
398 | if($c->debug && defined $req->match && length $req->match) { |
399 | my $match = $req->match; |
400 | $match =~ s/%([0-9A-Fa-f]{2})/chr(hex($1))/eg; |
401 | $match = decode_utf8($match); |
402 | $c->log->debug( 'Path is "' . $match . '"' ) |
403 | } |
e3a13771 |
404 | |
0ca510f0 |
405 | $c->log->debug( 'Arguments are "' . join( '/', map { decode_utf8 $_ } @args ) . '"' ) |
fbcc39ad |
406 | if ( $c->debug && @args ); |
407 | } |
408 | |
6e3dd95f |
409 | =head2 $self->get_action( $action_name, $namespace ) |
1abd6db7 |
410 | |
6e3dd95f |
411 | returns a named action from a given namespace. C<$action_name> |
412 | may be a relative path on that C<$namespace> such as |
413 | |
414 | $self->get_action('../bar', 'foo/baz'); |
415 | |
416 | In which case we look for the action at 'foo/bar'. |
4ab87e27 |
417 | |
1abd6db7 |
418 | =cut |
419 | |
420 | sub get_action { |
bcd1002b |
421 | my ( $self, $name, $namespace ) = @_; |
79a3189a |
422 | return unless $name; |
3d0d6d21 |
423 | |
2f381252 |
424 | $namespace = join( "/", grep { length } split '/', ( defined $namespace ? $namespace : "" ) ); |
99fe1710 |
425 | |
518b6198 |
426 | return $self->get_action_by_path("${namespace}/${name}"); |
1abd6db7 |
427 | } |
428 | |
b0ad47c1 |
429 | =head2 $self->get_action_by_path( $path ); |
068c0898 |
430 | |
ab990582 |
431 | Returns the named action by its full private path. |
3d0d6d21 |
432 | |
6e3dd95f |
433 | This method performs some normalization on C<$path> so that if |
434 | it includes '..' it will do the right thing (for example if |
435 | C<$path> is '/foo/../bar' that is normalized to '/bar'. |
436 | |
068c0898 |
437 | =cut |
3d0d6d21 |
438 | |
439 | sub get_action_by_path { |
440 | my ( $self, $path ) = @_; |
86de687d |
441 | $path =~s/[^\/]+\/\.\.\/// while $path=~m/[^\/]+\/\.\.\//; |
ea0e58d9 |
442 | $path =~ s/^\///; |
28928de9 |
443 | $path = "/$path" unless $path =~ /\//; |
c41cfce3 |
444 | $self->_action_hash->{$path}; |
3d0d6d21 |
445 | } |
446 | |
b5ecfcf0 |
447 | =head2 $self->get_actions( $c, $action, $namespace ) |
a9dc674c |
448 | |
449 | =cut |
450 | |
451 | sub get_actions { |
452 | my ( $self, $c, $action, $namespace ) = @_; |
453 | return [] unless $action; |
3d0d6d21 |
454 | |
28928de9 |
455 | $namespace = join( "/", grep { length } split '/', $namespace || "" ); |
a9dc674c |
456 | |
457 | my @match = $self->get_containers($namespace); |
458 | |
684d10ed |
459 | return map { $_->get_action($action) } @match; |
a9dc674c |
460 | } |
461 | |
b5ecfcf0 |
462 | =head2 $self->get_containers( $namespace ) |
cfd04b0c |
463 | |
4ab87e27 |
464 | Return all the action containers for a given namespace, inclusive |
465 | |
cfd04b0c |
466 | =cut |
467 | |
468 | sub get_containers { |
469 | my ( $self, $namespace ) = @_; |
a13e21ab |
470 | $namespace ||= ''; |
471 | $namespace = '' if $namespace eq '/'; |
cfd04b0c |
472 | |
a13e21ab |
473 | my @containers; |
cfd04b0c |
474 | |
7f23827b |
475 | if ( length $namespace ) { |
476 | do { |
c41cfce3 |
477 | push @containers, $self->_container_hash->{$namespace}; |
7f23827b |
478 | } while ( $namespace =~ s#/[^/]+$## ); |
479 | } |
90ce41ba |
480 | |
c41cfce3 |
481 | return reverse grep { defined } @containers, $self->_container_hash->{''}; |
cfd04b0c |
482 | } |
483 | |
ea0e58d9 |
484 | =head2 $self->uri_for_action($action, \@captures) |
485 | |
486 | Takes a Catalyst::Action object and action parameters and returns a URI |
487 | part such that if $c->req->path were this URI part, this action would be |
488 | dispatched to with $c->req->captures set to the supplied arrayref. |
489 | |
490 | If the action object is not available for external dispatch or the dispatcher |
491 | cannot determine an appropriate URI, this method will return undef. |
492 | |
493 | =cut |
494 | |
495 | sub uri_for_action { |
496 | my ( $self, $action, $captures) = @_; |
497 | $captures ||= []; |
a2aac3b8 |
498 | foreach my $dispatch_type ( @{ $self->dispatch_types } ) { |
ea0e58d9 |
499 | my $uri = $dispatch_type->uri_for_action( $action, $captures ); |
81e75875 |
500 | return( $uri eq '' ? '/' : $uri ) |
501 | if defined($uri); |
ea0e58d9 |
502 | } |
503 | return undef; |
504 | } |
505 | |
8f5a2bd9 |
506 | =head2 expand_action |
ae0e35ee |
507 | |
508 | expand an action into a full representation of the dispatch. |
509 | mostly useful for chained, other actions will just return a |
510 | single action. |
511 | |
512 | =cut |
513 | |
52f71256 |
514 | sub expand_action { |
515 | my ($self, $action) = @_; |
516 | |
a2aac3b8 |
517 | foreach my $dispatch_type (@{ $self->dispatch_types }) { |
52f71256 |
518 | my $expanded = $dispatch_type->expand_action($action); |
519 | return $expanded if $expanded; |
520 | } |
521 | |
522 | return $action; |
523 | } |
524 | |
b5ecfcf0 |
525 | =head2 $self->register( $c, $action ) |
aad72cc9 |
526 | |
4ab87e27 |
527 | Make sure all required dispatch types for this action are loaded, then |
528 | pass the action to our dispatch types so they can register it if required. |
529 | Also, set up the tree with the action containers. |
530 | |
aad72cc9 |
531 | =cut |
532 | |
79a3189a |
533 | sub register { |
534 | my ( $self, $c, $action ) = @_; |
535 | |
c41cfce3 |
536 | my $registered = $self->_registered_dispatch_types; |
694d15f1 |
537 | |
694d15f1 |
538 | foreach my $key ( keys %{ $action->attributes } ) { |
9a6ecf4f |
539 | next if $key eq 'Private'; |
694d15f1 |
540 | my $class = "Catalyst::DispatchType::$key"; |
541 | unless ( $registered->{$class} ) { |
c41cfce3 |
542 | # FIXME - Some error checking and re-throwing needed here, as |
543 | # we eat exceptions loading dispatch types. |
e7399d8b |
544 | # see also try_load_class |
545 | eval { load_class($class) }; |
5070f111 |
546 | my $load_failed = $@; |
6931f972 |
547 | $self->_check_deprecated_dispatch_type( $key, $load_failed ); |
5070f111 |
548 | push( @{ $self->dispatch_types }, $class->new ) unless $load_failed; |
694d15f1 |
549 | $registered->{$class} = 1; |
550 | } |
551 | } |
552 | |
a2aac3b8 |
553 | my @dtypes = @{ $self->dispatch_types }; |
1315d253 |
554 | my @normal_dtypes; |
555 | my @low_precedence_dtypes; |
556 | |
7b442de5 |
557 | for my $type ( @dtypes ) { |
c4586fd0 |
558 | if ($type->_is_low_precedence) { |
1315d253 |
559 | push @low_precedence_dtypes, $type; |
560 | } else { |
561 | push @normal_dtypes, $type; |
562 | } |
563 | } |
564 | |
694d15f1 |
565 | # Pass the action to our dispatch types so they can register it if reqd. |
1315d253 |
566 | my $was_registered = 0; |
567 | foreach my $type ( @normal_dtypes ) { |
568 | $was_registered = 1 if $type->register( $c, $action ); |
569 | } |
570 | |
571 | if (not $was_registered) { |
572 | foreach my $type ( @low_precedence_dtypes ) { |
573 | $type->register( $c, $action ); |
574 | } |
694d15f1 |
575 | } |
576 | |
79a3189a |
577 | my $namespace = $action->namespace; |
a13e21ab |
578 | my $name = $action->name; |
c7116517 |
579 | |
ad5e4650 |
580 | my $container = $self->_find_or_create_action_container($namespace); |
15e9b5dd |
581 | |
582 | # Set the method value |
a13e21ab |
583 | $container->add_action($action); |
c7116517 |
584 | |
c41cfce3 |
585 | $self->_action_hash->{"$namespace/$name"} = $action; |
586 | $self->_container_hash->{$namespace} = $container; |
15e9b5dd |
587 | } |
588 | |
ad5e4650 |
589 | sub _find_or_create_action_container { |
a13e21ab |
590 | my ( $self, $namespace ) = @_; |
591 | |
c41cfce3 |
592 | my $tree ||= $self->_tree; |
99fe1710 |
593 | |
a13e21ab |
594 | return $tree->getNodeValue unless $namespace; |
78d760bb |
595 | |
a13e21ab |
596 | my @namespace = split '/', $namespace; |
597 | return $self->_find_or_create_namespace_node( $tree, @namespace ) |
598 | ->getNodeValue; |
8505565b |
599 | } |
90ce41ba |
600 | |
8505565b |
601 | sub _find_or_create_namespace_node { |
a13e21ab |
602 | my ( $self, $parent, $part, @namespace ) = @_; |
78d760bb |
603 | |
a13e21ab |
604 | return $parent unless $part; |
8505565b |
605 | |
a13e21ab |
606 | my $child = |
607 | ( grep { $_->getNodeValue->part eq $part } $parent->getAllChildren )[0]; |
8505565b |
608 | |
a13e21ab |
609 | unless ($child) { |
610 | my $container = Catalyst::ActionContainer->new($part); |
611 | $parent->addChild( $child = Tree::Simple->new($container) ); |
612 | } |
99fe1710 |
613 | |
a13e21ab |
614 | $self->_find_or_create_namespace_node( $child, @namespace ); |
1abd6db7 |
615 | } |
616 | |
4ab87e27 |
617 | =head2 $self->setup_actions( $class, $context ) |
618 | |
965f3e35 |
619 | Loads all of the pre-load dispatch types, registers their actions and then |
620 | loads all of the post-load dispatch types, and iterates over the tree of |
8f59bbe2 |
621 | actions, displaying the debug information if appropriate. |
1abd6db7 |
622 | |
623 | =cut |
624 | |
625 | sub setup_actions { |
11bd4e3e |
626 | my ( $self, $c ) = @_; |
99fe1710 |
627 | |
9e81ba44 |
628 | my @classes = |
ad5e4650 |
629 | $self->_load_dispatch_types( @{ $self->preload_dispatch_types } ); |
c41cfce3 |
630 | @{ $self->_registered_dispatch_types }{@classes} = (1) x @classes; |
b96f127f |
631 | |
d7325e05 |
632 | foreach my $comp ( map @{$_}{sort keys %$_}, $c->components ) { |
98d049ef |
633 | $comp = $comp->() if ref($comp) eq 'CODE'; |
49070d25 |
634 | $comp->register_actions($c) if $comp->can('register_actions'); |
1abd6db7 |
635 | } |
e494bd6b |
636 | |
ad5e4650 |
637 | $self->_load_dispatch_types( @{ $self->postload_dispatch_types } ); |
6d030e6f |
638 | |
11bd4e3e |
639 | return unless $c->debug; |
2eb2c42f |
640 | $self->_display_action_tables($c); |
641 | } |
642 | |
643 | sub _display_action_tables { |
644 | my ($self, $c) = @_; |
99fe1710 |
645 | |
48d435ba |
646 | my $avail_width = Catalyst::Utils::term_width() - 12; |
647 | my $col1_width = ($avail_width * .25) < 20 ? 20 : int($avail_width * .25); |
648 | my $col2_width = ($avail_width * .50) < 36 ? 36 : int($avail_width * .50); |
649 | my $col3_width = $avail_width - $col1_width - $col2_width; |
684d10ed |
650 | my $privates = Text::SimpleTable->new( |
48d435ba |
651 | [ $col1_width, 'Private' ], [ $col2_width, 'Class' ], [ $col3_width, 'Method' ] |
684d10ed |
652 | ); |
99fe1710 |
653 | |
87b85407 |
654 | my $has_private = 0; |
1abd6db7 |
655 | my $walker = sub { |
656 | my ( $walker, $parent, $prefix ) = @_; |
657 | $prefix .= $parent->getNodeValue || ''; |
658 | $prefix .= '/' unless $prefix =~ /\/$/; |
b7aebc12 |
659 | my $node = $parent->getNodeValue->actions; |
99fe1710 |
660 | |
78d760bb |
661 | for my $action ( keys %{$node} ) { |
b7aebc12 |
662 | my $action_obj = $node->{$action}; |
b0bb11ec |
663 | next |
664 | if ( ( $action =~ /^_.*/ ) |
665 | && ( !$c->config->{show_internal_actions} ) ); |
684d10ed |
666 | $privates->row( "$prefix$action", $action_obj->class, $action ); |
87b85407 |
667 | $has_private = 1; |
1abd6db7 |
668 | } |
99fe1710 |
669 | |
1abd6db7 |
670 | $walker->( $walker, $_, $prefix ) for $parent->getAllChildren; |
671 | }; |
99fe1710 |
672 | |
c41cfce3 |
673 | $walker->( $walker, $self->_tree, '' ); |
1cf0345b |
674 | $c->log->debug( "Loaded Private actions:\n" . $privates->draw . "\n" ) |
675 | if $has_private; |
99fe1710 |
676 | |
a9cbd748 |
677 | # List all public actions |
a2aac3b8 |
678 | $_->list($c) for @{ $self->dispatch_types }; |
1abd6db7 |
679 | } |
680 | |
ad5e4650 |
681 | sub _load_dispatch_types { |
9e81ba44 |
682 | my ( $self, @types ) = @_; |
683 | |
684 | my @loaded; |
9e81ba44 |
685 | # Preload action types |
686 | for my $type (@types) { |
5d8129e9 |
687 | # first param is undef because we cannot get the appclass |
688 | my $class = Catalyst::Utils::resolve_namespace(undef, 'Catalyst::DispatchType', $type); |
2efad04b |
689 | |
e7399d8b |
690 | my ($success, $error) = try_load_class($class); |
691 | Catalyst::Exception->throw( message => $error ) if not $success; |
a2aac3b8 |
692 | push @{ $self->dispatch_types }, $class->new; |
9e81ba44 |
693 | |
694 | push @loaded, $class; |
695 | } |
696 | |
a13e21ab |
697 | return @loaded; |
9e81ba44 |
698 | } |
699 | |
e995c634 |
700 | =head2 $self->dispatch_type( $type ) |
701 | |
702 | Get the DispatchType object of the relevant type, i.e. passing C<$type> of |
703 | C<Chained> would return a L<Catalyst::DispatchType::Chained> object (assuming |
b0ad47c1 |
704 | of course it's being used.) |
e995c634 |
705 | |
706 | =cut |
707 | |
7ffc9d9d |
708 | sub dispatch_type { |
709 | my ($self, $name) = @_; |
196932de |
710 | |
5d8129e9 |
711 | # first param is undef because we cannot get the appclass |
712 | $name = Catalyst::Utils::resolve_namespace(undef, 'Catalyst::DispatchType', $name); |
7ffc9d9d |
713 | |
a2aac3b8 |
714 | for (@{ $self->dispatch_types }) { |
7ffc9d9d |
715 | return $_ if ref($_) eq $name; |
716 | } |
717 | return undef; |
718 | } |
719 | |
6931f972 |
720 | sub _check_deprecated_dispatch_type { |
5070f111 |
721 | my ($self, $key, $load_failed) = @_; |
722 | |
723 | return unless $key =~ /^(Local)?Regexp?/; |
724 | |
725 | # TODO: Should these throw an exception rather than just warning? |
726 | if ($load_failed) { |
727 | warn( "Attempt to use deprecated $key dispatch type.\n" |
728 | . " Use Chained methods or install the standalone\n" |
729 | . " Catalyst::DispatchType::Regex if necessary.\n" ); |
730 | } elsif ( !defined $Catalyst::DispatchType::Regex::VERSION |
28054612 |
731 | || $Catalyst::DispatchType::Regex::VERSION le '5.90020' ) { |
5070f111 |
732 | # We loaded the old core version of the Regex module this will break |
733 | warn( "The $key DispatchType has been removed from Catalyst core.\n" |
734 | . " An old version of the core Catalyst::DispatchType::Regex\n" |
735 | . " has been loaded and will likely fail. Please remove\n" |
8503ab9b |
736 | . " $INC{'Catalyst/DispatchType/Regex.pm'}\n" |
5070f111 |
737 | . " and use Chained methods or install the standalone\n" |
738 | . " Catalyst::DispatchType::Regex if necessary.\n" ); |
739 | } |
740 | } |
741 | |
c41cfce3 |
742 | use Moose; |
743 | |
744 | # 5.70 backwards compatibility hacks. |
745 | |
746 | # Various plugins (e.g. Plugin::Server and Plugin::Authorization::ACL) |
747 | # need the methods here which *should* be private.. |
748 | |
2efad04b |
749 | # You should be able to use get_actions or get_containers appropriately |
750 | # instead of relying on these methods which expose implementation details |
751 | # of the dispatcher.. |
752 | # |
753 | # IRC backlog included below, please come ask if this doesn't work for you. |
754 | # |
755 | # <@t0m> 5.80, the state of. There are things in the dispatcher which have |
756 | # been deprecated, that we yell at anyone for using, which there isn't |
757 | # a good alternative for yet.. |
758 | # <@mst> er, get_actions/get_containers provides that doesn't it? |
759 | # <@mst> DispatchTypes are loaded on demand anyway |
760 | # <@t0m> I'm thinking of things like _tree which is aliased to 'tree' with |
761 | # warnings otherwise shit breaks.. We're issuing warnings about the |
762 | # correct set of things which you shouldn't be calling.. |
763 | # <@mst> right |
764 | # <@mst> basically, I don't see there's a need for a replacement for anything |
765 | # <@mst> it was never a good idea to call ->tree |
766 | # <@mst> nothingmuch was the only one who did AFAIK |
767 | # <@mst> and he admitted it was a hack ;) |
768 | |
c41cfce3 |
769 | # See also t/lib/TestApp/Plugin/AddDispatchTypes.pm |
770 | |
771 | # Alias _method_name to method_name, add a before modifier to warn.. |
b0ad47c1 |
772 | foreach my $public_method_name (qw/ |
773 | tree |
b0ad47c1 |
774 | registered_dispatch_types |
775 | method_action_class |
776 | action_hash |
c41cfce3 |
777 | container_hash |
778 | /) { |
779 | my $private_method_name = '_' . $public_method_name; |
780 | my $meta = __PACKAGE__->meta; # Calling meta method here fine as we happen at compile time. |
781 | $meta->add_method($public_method_name, $meta->get_method($private_method_name)); |
782 | { |
783 | my %package_hash; # Only warn once per method, per package. These are infrequent enough that |
784 | # I haven't provided a way to disable them, patches welcome. |
785 | $meta->add_before_method_modifier($public_method_name, sub { |
3cd3bc6a |
786 | my $class = caller(2); |
787 | chomp($class); |
b3f7d10b |
788 | $package_hash{$class}++ || do { |
3cd3bc6a |
789 | warn("Class $class is calling the deprecated method\n" |
790 | . " Catalyst::Dispatcher::$public_method_name,\n" |
dacd8b0e |
791 | . " this will be removed in Catalyst 5.9\n"); |
c41cfce3 |
792 | }; |
793 | }); |
794 | } |
795 | } |
796 | # End 5.70 backwards compatibility hacks. |
797 | |
e5ecd5bc |
798 | __PACKAGE__->meta->make_immutable; |
799 | |
059c085b |
800 | =head2 meta |
801 | |
802 | Provided by Moose |
803 | |
2f381252 |
804 | =head1 AUTHORS |
1abd6db7 |
805 | |
2f381252 |
806 | Catalyst Contributors, see Catalyst.pm |
1abd6db7 |
807 | |
808 | =head1 COPYRIGHT |
809 | |
536bee89 |
810 | This library is free software. You can redistribute it and/or modify it under |
1abd6db7 |
811 | the same terms as Perl itself. |
812 | |
813 | =cut |
814 | |
815 | 1; |