Commit | Line | Data |
fc7ec1d9 |
1 | package Catalyst::Engine; |
2 | |
3 | use strict; |
4 | use base qw/Class::Data::Inheritable Class::Accessor::Fast/; |
5 | use UNIVERSAL::require; |
6dc87a0f |
6 | use CGI::Cookie; |
fc7ec1d9 |
7 | use Data::Dumper; |
8 | use HTML::Entities; |
9 | use HTTP::Headers; |
87e67021 |
10 | use Memoize; |
fc7ec1d9 |
11 | use Time::HiRes qw/gettimeofday tv_interval/; |
0f7ecc53 |
12 | use Text::ASCIITable; |
55c388c1 |
13 | use Text::ASCIITable::Wrap 'wrap'; |
87e67021 |
14 | use Tree::Simple; |
15 | use Tree::Simple::Visitor::FindByPath; |
fc7ec1d9 |
16 | use Catalyst::Request; |
17 | use Catalyst::Response; |
18 | |
19 | require Module::Pluggable::Fast; |
20 | |
21 | $Data::Dumper::Terse = 1; |
22 | |
87e67021 |
23 | __PACKAGE__->mk_classdata($_) for qw/actions components tree/; |
b768faa3 |
24 | __PACKAGE__->mk_accessors(qw/request response state/); |
fc7ec1d9 |
25 | |
26 | __PACKAGE__->actions( |
ac733264 |
27 | { plain => {}, private => {}, regex => {}, compiled => [], reverse => {} } |
87e67021 |
28 | ); |
29 | __PACKAGE__->tree( Tree::Simple->new( 0, Tree::Simple->ROOT ) ); |
fc7ec1d9 |
30 | |
31 | *comp = \&component; |
32 | *req = \&request; |
33 | *res = \&response; |
34 | |
35 | our $COUNT = 1; |
36 | our $START = time; |
37 | |
87e67021 |
38 | memoize('_class2prefix'); |
39 | |
fc7ec1d9 |
40 | =head1 NAME |
41 | |
42 | Catalyst::Engine - The Catalyst Engine |
43 | |
44 | =head1 SYNOPSIS |
45 | |
46 | See L<Catalyst>. |
47 | |
48 | =head1 DESCRIPTION |
49 | |
23f9d934 |
50 | =head1 METHODS |
fc7ec1d9 |
51 | |
23f9d934 |
52 | =over 4 |
53 | |
23f9d934 |
54 | =item $c->benchmark($coderef) |
fc7ec1d9 |
55 | |
56 | Takes a coderef with arguments and returns elapsed time as float. |
57 | |
58 | my ( $elapsed, $status ) = $c->benchmark( sub { return 1 } ); |
59 | $c->log->info( sprintf "Processing took %f seconds", $elapsed ); |
60 | |
61 | =cut |
62 | |
63 | sub benchmark { |
64 | my $c = shift; |
65 | my $code = shift; |
66 | my $time = [gettimeofday]; |
67 | my @return = &$code(@_); |
68 | my $elapsed = tv_interval $time; |
69 | return wantarray ? ( $elapsed, @return ) : $elapsed; |
70 | } |
71 | |
23f9d934 |
72 | =item $c->comp($name) |
73 | |
74 | =item $c->component($name) |
fc7ec1d9 |
75 | |
76 | Get a component object by name. |
77 | |
78 | $c->comp('MyApp::Model::MyModel')->do_stuff; |
79 | |
80 | Regex search for a component. |
81 | |
82 | $c->comp('mymodel')->do_stuff; |
83 | |
84 | =cut |
85 | |
86 | sub component { |
87 | my ( $c, $name ) = @_; |
88 | if ( my $component = $c->components->{$name} ) { |
89 | return $component; |
90 | } |
91 | else { |
92 | for my $component ( keys %{ $c->components } ) { |
93 | return $c->components->{$component} if $component =~ /$name/i; |
94 | } |
95 | } |
96 | } |
97 | |
63b763c5 |
98 | =item $c->dispatch |
99 | |
100 | Dispatch request to actions. |
101 | |
102 | =cut |
103 | |
104 | sub dispatch { |
105 | my $c = shift; |
106 | my $action = $c->req->action; |
107 | my $namespace = ''; |
108 | $namespace = ( join( '/', @{ $c->req->args } ) || '/' ) |
109 | if $action eq 'default'; |
110 | unless ($namespace) { |
111 | if ( my $result = $c->get_action($action) ) { |
112 | $namespace = _class2prefix( $result->[0]->[0]->[0] ); |
113 | } |
114 | } |
115 | my $default = $action eq 'default' ? $namespace : undef; |
116 | my $results = $c->get_action( $action, $default ); |
117 | $namespace ||= '/'; |
118 | if ( @{$results} ) { |
5bf31738 |
119 | |
120 | # Execute last begin |
121 | $c->state(1); |
122 | if ( my $begin = @{ $c->get_action( 'begin', $namespace ) }[-1] ) { |
a135d186 |
123 | $c->execute( @{ $begin->[0] } ); |
b9ffe28b |
124 | return if scalar @{ $c->error }; |
63b763c5 |
125 | } |
5bf31738 |
126 | |
127 | # Execute the auto chain |
128 | for my $auto ( @{ $c->get_action( 'auto', $namespace ) } ) { |
129 | $c->execute( @{ $auto->[0] } ); |
b9ffe28b |
130 | return if scalar @{ $c->error }; |
1c470b06 |
131 | last unless $c->state; |
63b763c5 |
132 | } |
5bf31738 |
133 | |
134 | # Execute the action or last default |
135 | if ( ( my $action = $c->req->action ) && $c->state ) { |
136 | if ( my $result = @{ $c->get_action( $action, $default ) }[-1] ) { |
137 | $c->execute( @{ $result->[0] } ); |
138 | } |
139 | } |
140 | |
141 | # Execute last end |
142 | if ( my $end = @{ $c->get_action( 'end', $namespace ) }[-1] ) { |
a135d186 |
143 | $c->execute( @{ $end->[0] } ); |
b9ffe28b |
144 | return if scalar @{ $c->error }; |
63b763c5 |
145 | } |
146 | } |
147 | else { |
148 | my $path = $c->req->path; |
149 | my $error = $path |
150 | ? qq/Unknown resource "$path"/ |
151 | : "No default action defined"; |
152 | $c->log->error($error) if $c->debug; |
153 | $c->error($error); |
154 | } |
155 | } |
156 | |
a554cc3b |
157 | =item $c->error |
23f9d934 |
158 | |
a554cc3b |
159 | =item $c->error($error, ...) |
23f9d934 |
160 | |
a554cc3b |
161 | =item $c->error($arrayref) |
fc7ec1d9 |
162 | |
a554cc3b |
163 | Returns an arrayref containing error messages. |
fc7ec1d9 |
164 | |
a554cc3b |
165 | my @error = @{ $c->error }; |
fc7ec1d9 |
166 | |
167 | Add a new error. |
168 | |
a554cc3b |
169 | $c->error('Something bad happened'); |
fc7ec1d9 |
170 | |
171 | =cut |
172 | |
a554cc3b |
173 | sub error { |
fc7ec1d9 |
174 | my $c = shift; |
a554cc3b |
175 | my $error = ref $_[0] eq 'ARRAY' ? $_[0] : [@_]; |
176 | push @{ $c->{error} }, @$error; |
177 | return $c->{error}; |
fc7ec1d9 |
178 | } |
179 | |
6dc87a0f |
180 | =item $c->execute($class, $coderef) |
181 | |
182 | Execute a coderef in given class and catch exceptions. |
183 | Errors are available via $c->error. |
184 | |
185 | =cut |
186 | |
187 | sub execute { |
188 | my ( $c, $class, $code ) = @_; |
189 | $class = $c->comp($class) || $class; |
190 | $c->state(0); |
39de91b0 |
191 | my $callsub = ( caller(1) )[3]; |
6dc87a0f |
192 | eval { |
193 | if ( $c->debug ) |
194 | { |
195 | my $action = $c->actions->{reverse}->{"$code"}; |
196 | $action = "/$action" unless $action =~ /\-\>/; |
fb13403c |
197 | $action = "-> $action" if $callsub =~ /forward$/; |
6dc87a0f |
198 | my ( $elapsed, @state ) = |
199 | $c->benchmark( $code, $class, $c, @{ $c->req->args } ); |
0f7ecc53 |
200 | push @{ $c->{stats} }, [ $action, sprintf( '%fs', $elapsed ) ]; |
6dc87a0f |
201 | $c->state(@state); |
202 | } |
203 | else { $c->state( &$code( $class, $c, @{ $c->req->args } ) ) } |
204 | }; |
205 | if ( my $error = $@ ) { |
b9ffe28b |
206 | |
207 | unless ( ref $error ) { |
208 | chomp $error; |
209 | $error = qq/Caught exception "$error"/; |
210 | } |
211 | |
6dc87a0f |
212 | $c->log->error($error); |
b9ffe28b |
213 | $c->error($error); |
6dc87a0f |
214 | $c->state(0); |
215 | } |
216 | return $c->state; |
217 | } |
218 | |
23f9d934 |
219 | =item $c->finalize |
fc7ec1d9 |
220 | |
221 | Finalize request. |
222 | |
223 | =cut |
224 | |
225 | sub finalize { |
226 | my $c = shift; |
23f9d934 |
227 | |
6dc87a0f |
228 | $c->finalize_cookies; |
229 | |
49490aab |
230 | if ( my $location = $c->response->redirect ) { |
23f9d934 |
231 | $c->log->debug(qq/Redirecting to "$location"/) if $c->debug; |
6dc87a0f |
232 | $c->response->header( Location => $location ); |
63b763c5 |
233 | $c->response->status(302) if $c->response->status !~ /3\d\d$/; |
6dc87a0f |
234 | } |
235 | |
969647fd |
236 | if ( $#{ $c->error } >= 0 ) { |
237 | $c->finalize_error; |
23f9d934 |
238 | } |
239 | |
36b3abcb |
240 | if ( !$c->response->output && $c->response->status !~ /^(1|3)\d\d$/ ) { |
969647fd |
241 | $c->finalize_error; |
242 | } |
fc7ec1d9 |
243 | |
c4695f3a |
244 | if ( $c->response->output && !$c->response->content_length ) { |
39de91b0 |
245 | use bytes; # play safe with a utf8 aware perl |
49490aab |
246 | $c->response->content_length( length $c->response->output ); |
fc7ec1d9 |
247 | } |
969647fd |
248 | |
fc7ec1d9 |
249 | my $status = $c->finalize_headers; |
250 | $c->finalize_output; |
251 | return $status; |
252 | } |
253 | |
6dc87a0f |
254 | =item $c->finalize_cookies |
255 | |
256 | Finalize cookies. |
257 | |
258 | =cut |
259 | |
260 | sub finalize_cookies { |
261 | my $c = shift; |
262 | |
263 | while ( my ( $name, $cookie ) = each %{ $c->response->cookies } ) { |
264 | my $cookie = CGI::Cookie->new( |
265 | -name => $name, |
266 | -value => $cookie->{value}, |
267 | -expires => $cookie->{expires}, |
268 | -domain => $cookie->{domain}, |
269 | -path => $cookie->{path}, |
270 | -secure => $cookie->{secure} || 0 |
271 | ); |
272 | |
273 | $c->res->headers->push_header( 'Set-Cookie' => $cookie->as_string ); |
274 | } |
275 | } |
276 | |
969647fd |
277 | =item $c->finalize_error |
278 | |
279 | Finalize error. |
280 | |
281 | =cut |
282 | |
283 | sub finalize_error { |
284 | my $c = shift; |
285 | |
286 | $c->res->headers->content_type('text/html'); |
287 | my $name = $c->config->{name} || 'Catalyst Application'; |
288 | |
289 | my ( $title, $error, $infos ); |
290 | if ( $c->debug ) { |
291 | $error = join '<br/>', @{ $c->error }; |
292 | $error ||= 'No output'; |
293 | $title = $name = "$name on Catalyst $Catalyst::VERSION"; |
294 | my $req = encode_entities Dumper $c->req; |
295 | my $res = encode_entities Dumper $c->res; |
296 | my $stash = encode_entities Dumper $c->stash; |
297 | $infos = <<""; |
298 | <br/> |
299 | <b><u>Request</u></b><br/> |
300 | <pre>$req</pre> |
301 | <b><u>Response</u></b><br/> |
302 | <pre>$res</pre> |
303 | <b><u>Stash</u></b><br/> |
304 | <pre>$stash</pre> |
305 | |
306 | } |
307 | else { |
308 | $title = $name; |
309 | $error = ''; |
310 | $infos = <<""; |
311 | <pre> |
312 | (en) Please come back later |
313 | (de) Bitte versuchen sie es spaeter nocheinmal |
314 | (nl) Gelieve te komen later terug |
315 | (no) Vennligst prov igjen senere |
316 | (fr) Veuillez revenir plus tard |
317 | (es) Vuelto por favor mas adelante |
318 | (pt) Voltado por favor mais tarde |
319 | (it) Ritornato prego più successivamente |
320 | </pre> |
321 | |
322 | $name = ''; |
323 | } |
324 | $c->res->output( <<"" ); |
325 | <html> |
326 | <head> |
327 | <title>$title</title> |
328 | <style type="text/css"> |
329 | body { |
330 | font-family: "Bitstream Vera Sans", "Trebuchet MS", Verdana, |
331 | Tahoma, Arial, helvetica, sans-serif; |
332 | color: #ddd; |
333 | background-color: #eee; |
334 | margin: 0px; |
335 | padding: 0px; |
336 | } |
337 | div.box { |
338 | background-color: #ccc; |
339 | border: 1px solid #aaa; |
340 | padding: 4px; |
341 | margin: 10px; |
342 | -moz-border-radius: 10px; |
343 | } |
344 | div.error { |
345 | background-color: #977; |
346 | border: 1px solid #755; |
347 | padding: 8px; |
348 | margin: 4px; |
349 | margin-bottom: 10px; |
350 | -moz-border-radius: 10px; |
351 | } |
352 | div.infos { |
353 | background-color: #797; |
354 | border: 1px solid #575; |
355 | padding: 8px; |
356 | margin: 4px; |
357 | margin-bottom: 10px; |
358 | -moz-border-radius: 10px; |
359 | } |
360 | div.name { |
361 | background-color: #779; |
362 | border: 1px solid #557; |
363 | padding: 8px; |
364 | margin: 4px; |
365 | -moz-border-radius: 10px; |
366 | } |
367 | </style> |
368 | </head> |
369 | <body> |
370 | <div class="box"> |
371 | <div class="error">$error</div> |
372 | <div class="infos">$infos</div> |
373 | <div class="name">$name</div> |
374 | </div> |
375 | </body> |
376 | </html> |
377 | |
378 | } |
379 | |
23f9d934 |
380 | =item $c->finalize_headers |
fc7ec1d9 |
381 | |
382 | Finalize headers. |
383 | |
384 | =cut |
385 | |
386 | sub finalize_headers { } |
387 | |
23f9d934 |
388 | =item $c->finalize_output |
fc7ec1d9 |
389 | |
390 | Finalize output. |
391 | |
392 | =cut |
393 | |
394 | sub finalize_output { } |
395 | |
23f9d934 |
396 | =item $c->forward($command) |
fc7ec1d9 |
397 | |
ac733264 |
398 | Forward processing to a private action or a method from a class. |
fc7ec1d9 |
399 | If you define a class without method it will default to process(). |
400 | |
6196207f |
401 | $c->forward('/foo'); |
ac733264 |
402 | $c->forward('index'); |
fc7ec1d9 |
403 | $c->forward(qw/MyApp::Model::CDBI::Foo do_stuff/); |
404 | $c->forward('MyApp::View::TT'); |
405 | |
406 | =cut |
407 | |
408 | sub forward { |
409 | my $c = shift; |
410 | my $command = shift; |
411 | unless ($command) { |
412 | $c->log->debug('Nothing to forward to') if $c->debug; |
413 | return 0; |
414 | } |
ac733264 |
415 | my $caller = caller(0); |
416 | my $namespace = '/'; |
6196207f |
417 | if ( $command =~ /^\// ) { |
89c5fe2d |
418 | $command =~ /^(.*)\/(\w+)$/; |
419 | $namespace = $1 || '/'; |
420 | $command = $2; |
421 | } |
ac733264 |
422 | else { $namespace = _class2prefix($caller) || '/' } |
66d9e175 |
423 | my $results = $c->get_action( $command, $namespace ); |
ac733264 |
424 | unless ( @{$results} ) { |
b768faa3 |
425 | my $class = $command; |
fc7ec1d9 |
426 | if ( $class =~ /[^\w\:]/ ) { |
427 | $c->log->debug(qq/Couldn't forward to "$class"/) if $c->debug; |
428 | return 0; |
429 | } |
430 | my $method = shift || 'process'; |
b768faa3 |
431 | if ( my $code = $class->can($method) ) { |
fc7ec1d9 |
432 | $c->actions->{reverse}->{"$code"} = "$class->$method"; |
2deb0d7c |
433 | $results = [ [ [ $class, $code ] ] ]; |
fc7ec1d9 |
434 | } |
435 | else { |
436 | $c->log->debug(qq/Couldn't forward to "$class->$method"/) |
437 | if $c->debug; |
438 | return 0; |
439 | } |
440 | } |
2deb0d7c |
441 | for my $result ( @{$results} ) { |
a135d186 |
442 | $c->execute( @{ $result->[0] } ); |
b9ffe28b |
443 | return if scalar @{ $c->error }; |
444 | last unless $c->state; |
2deb0d7c |
445 | } |
b768faa3 |
446 | return $c->state; |
fc7ec1d9 |
447 | } |
448 | |
66d9e175 |
449 | =item $c->get_action( $action, $namespace ) |
450 | |
451 | Get an action in a given namespace. |
452 | |
453 | =cut |
454 | |
455 | sub get_action { |
456 | my ( $c, $action, $namespace ) = @_; |
f6e054bb |
457 | return [] unless $action; |
66d9e175 |
458 | $namespace ||= ''; |
ac733264 |
459 | if ($namespace) { |
460 | $namespace = '' if $namespace eq '/'; |
66d9e175 |
461 | my $parent = $c->tree; |
462 | my @results; |
463 | my $result = $c->actions->{private}->{ $parent->getUID }->{$action}; |
464 | push @results, [$result] if $result; |
465 | my $visitor = Tree::Simple::Visitor::FindByPath->new; |
466 | for my $part ( split '/', $namespace ) { |
467 | $visitor->setSearchPath($part); |
468 | $parent->accept($visitor); |
469 | my $child = $visitor->getResult; |
470 | my $uid = $child->getUID if $child; |
471 | my $match = $c->actions->{private}->{$uid}->{$action} if $uid; |
6d9a6748 |
472 | push @results, [$match] if $match; |
66d9e175 |
473 | $parent = $child if $child; |
474 | } |
475 | return \@results; |
476 | } |
477 | elsif ( my $p = $c->actions->{plain}->{$action} ) { return [ [$p] ] } |
478 | elsif ( my $r = $c->actions->{regex}->{$action} ) { return [ [$r] ] } |
479 | else { |
ac733264 |
480 | for my $i ( 0 .. $#{ $c->actions->{compiled} } ) { |
481 | my $name = $c->actions->{compiled}->[$i]->[0]; |
482 | my $regex = $c->actions->{compiled}->[$i]->[1]; |
66d9e175 |
483 | if ( $action =~ $regex ) { |
484 | my @snippets; |
485 | for my $i ( 1 .. 9 ) { |
486 | no strict 'refs'; |
487 | last unless ${$i}; |
488 | push @snippets, ${$i}; |
489 | } |
490 | return [ [ $c->actions->{regex}->{$name}, $name, \@snippets ] ]; |
491 | } |
492 | } |
493 | } |
494 | return []; |
495 | } |
496 | |
b76d7db8 |
497 | =item $c->handler( $class, $r ) |
fc7ec1d9 |
498 | |
499 | Handles the request. |
500 | |
501 | =cut |
502 | |
6dc87a0f |
503 | sub handler { |
504 | my ( $class, $engine ) = @_; |
fc7ec1d9 |
505 | |
506 | # Always expect worst case! |
507 | my $status = -1; |
508 | eval { |
d41516b2 |
509 | my @stats = (); |
fc7ec1d9 |
510 | my $handler = sub { |
6dc87a0f |
511 | my $c = $class->prepare($engine); |
d41516b2 |
512 | $c->{stats} = \@stats; |
63b763c5 |
513 | $c->dispatch; |
fc7ec1d9 |
514 | return $c->finalize; |
515 | }; |
516 | if ( $class->debug ) { |
517 | my $elapsed; |
518 | ( $elapsed, $status ) = $class->benchmark($handler); |
519 | $elapsed = sprintf '%f', $elapsed; |
520 | my $av = sprintf '%.3f', 1 / $elapsed; |
0f7ecc53 |
521 | my $t = Text::ASCIITable->new; |
522 | $t->setCols( 'Action', 'Time' ); |
3f36a3a3 |
523 | $t->setColWidth( 'Action', 64, 1 ); |
524 | $t->setColWidth( 'Time', 9, 1 ); |
0822f9a4 |
525 | |
0f7ecc53 |
526 | for my $stat (@stats) { |
55c388c1 |
527 | $t->addRow( wrap( $stat->[0], 64 ), wrap( $stat->[1], 9 ) ); |
0f7ecc53 |
528 | } |
529 | $class->log->info( "Request took $elapsed" . "s ($av/s)", |
530 | $t->draw ); |
fc7ec1d9 |
531 | } |
532 | else { $status = &$handler } |
533 | }; |
534 | if ( my $error = $@ ) { |
535 | chomp $error; |
536 | $class->log->error(qq/Caught exception in engine "$error"/); |
537 | } |
538 | $COUNT++; |
539 | return $status; |
540 | } |
541 | |
23f9d934 |
542 | =item $c->prepare($r) |
fc7ec1d9 |
543 | |
a554cc3b |
544 | Turns the engine-specific request( Apache, CGI ... ) |
545 | into a Catalyst context . |
fc7ec1d9 |
546 | |
547 | =cut |
548 | |
549 | sub prepare { |
550 | my ( $class, $r ) = @_; |
551 | my $c = bless { |
552 | request => Catalyst::Request->new( |
553 | { |
554 | arguments => [], |
555 | cookies => {}, |
556 | headers => HTTP::Headers->new, |
557 | parameters => {}, |
558 | snippets => [], |
559 | uploads => {} |
560 | } |
561 | ), |
562 | response => Catalyst::Response->new( |
563 | { cookies => {}, headers => HTTP::Headers->new, status => 200 } |
564 | ), |
b768faa3 |
565 | stash => {}, |
566 | state => 0 |
fc7ec1d9 |
567 | }, $class; |
568 | if ( $c->debug ) { |
569 | my $secs = time - $START || 1; |
570 | my $av = sprintf '%.3f', $COUNT / $secs; |
1a0250cb |
571 | $c->log->debug('**********************************'); |
fc7ec1d9 |
572 | $c->log->debug("* Request $COUNT ($av/s) [$$]"); |
1a0250cb |
573 | $c->log->debug('**********************************'); |
fc7ec1d9 |
574 | $c->res->headers->header( 'X-Catalyst' => $Catalyst::VERSION ); |
575 | } |
576 | $c->prepare_request($r); |
577 | $c->prepare_path; |
ac733264 |
578 | $c->prepare_headers; |
1a80619d |
579 | $c->prepare_cookies; |
0556eb49 |
580 | $c->prepare_connection; |
581 | my $method = $c->req->method || ''; |
582 | my $path = $c->req->path || ''; |
583 | my $hostname = $c->req->hostname || ''; |
584 | my $address = $c->req->address || ''; |
585 | $c->log->debug(qq/"$method" request for "$path" from $hostname($address)/) |
586 | if $c->debug; |
fc7ec1d9 |
587 | $c->prepare_action; |
588 | $c->prepare_parameters; |
c85ff642 |
589 | |
590 | if ( $c->debug && keys %{ $c->req->params } ) { |
0f7ecc53 |
591 | my $t = Text::ASCIITable->new; |
592 | $t->setCols( 'Key', 'Value' ); |
0822f9a4 |
593 | $t->setColWidth( 'Key', 37, 1 ); |
594 | $t->setColWidth( 'Value', 36, 1 ); |
c85ff642 |
595 | for my $key ( keys %{ $c->req->params } ) { |
b5524568 |
596 | my $value = $c->req->params->{$key} || ''; |
55c388c1 |
597 | $t->addRow( wrap( $key, 37 ), wrap( $value, 36 ) ); |
c85ff642 |
598 | } |
0f7ecc53 |
599 | $c->log->debug( 'Parameters are', $t->draw ); |
c85ff642 |
600 | } |
fc7ec1d9 |
601 | $c->prepare_uploads; |
602 | return $c; |
603 | } |
604 | |
23f9d934 |
605 | =item $c->prepare_action |
fc7ec1d9 |
606 | |
607 | Prepare action. |
608 | |
609 | =cut |
610 | |
611 | sub prepare_action { |
612 | my $c = shift; |
613 | my $path = $c->req->path; |
614 | my @path = split /\//, $c->req->path; |
615 | $c->req->args( \my @args ); |
616 | while (@path) { |
7833fdfc |
617 | $path = join '/', @path; |
0169d3a8 |
618 | if ( my $result = ${ $c->get_action($path) }[0] ) { |
fc7ec1d9 |
619 | |
620 | # It's a regex |
621 | if ($#$result) { |
7e5adedd |
622 | my $match = $result->[1]; |
623 | my @snippets = @{ $result->[2] }; |
81f6fc50 |
624 | $c->log->debug( |
625 | qq/Requested action is "$path" and matched "$match"/) |
fc7ec1d9 |
626 | if $c->debug; |
627 | $c->log->debug( |
628 | 'Snippets are "' . join( ' ', @snippets ) . '"' ) |
629 | if ( $c->debug && @snippets ); |
630 | $c->req->action($match); |
631 | $c->req->snippets( \@snippets ); |
632 | } |
633 | else { |
634 | $c->req->action($path); |
81f6fc50 |
635 | $c->log->debug(qq/Requested action is "$path"/) if $c->debug; |
fc7ec1d9 |
636 | } |
637 | $c->req->match($path); |
fc7ec1d9 |
638 | last; |
639 | } |
640 | unshift @args, pop @path; |
641 | } |
642 | unless ( $c->req->action ) { |
ac733264 |
643 | $c->req->action('default'); |
87e67021 |
644 | $c->req->match(''); |
fc7ec1d9 |
645 | } |
5783a9a5 |
646 | $c->log->debug( 'Arguments are "' . join( '/', @args ) . '"' ) |
647 | if ( $c->debug && @args ); |
fc7ec1d9 |
648 | } |
649 | |
c9afa5fc |
650 | =item $c->prepare_connection |
0556eb49 |
651 | |
652 | Prepare connection. |
653 | |
654 | =cut |
655 | |
656 | sub prepare_connection { } |
657 | |
c9afa5fc |
658 | =item $c->prepare_cookies |
fc7ec1d9 |
659 | |
660 | Prepare cookies. |
661 | |
662 | =cut |
663 | |
6dc87a0f |
664 | sub prepare_cookies { |
665 | my $c = shift; |
666 | |
667 | if ( my $header = $c->request->header('Cookie') ) { |
668 | $c->req->cookies( { CGI::Cookie->parse($header) } ); |
669 | } |
670 | } |
fc7ec1d9 |
671 | |
23f9d934 |
672 | =item $c->prepare_headers |
fc7ec1d9 |
673 | |
674 | Prepare headers. |
675 | |
676 | =cut |
677 | |
678 | sub prepare_headers { } |
679 | |
23f9d934 |
680 | =item $c->prepare_parameters |
fc7ec1d9 |
681 | |
682 | Prepare parameters. |
683 | |
684 | =cut |
685 | |
686 | sub prepare_parameters { } |
687 | |
23f9d934 |
688 | =item $c->prepare_path |
fc7ec1d9 |
689 | |
690 | Prepare path and base. |
691 | |
692 | =cut |
693 | |
694 | sub prepare_path { } |
695 | |
23f9d934 |
696 | =item $c->prepare_request |
fc7ec1d9 |
697 | |
698 | Prepare the engine request. |
699 | |
700 | =cut |
701 | |
702 | sub prepare_request { } |
703 | |
23f9d934 |
704 | =item $c->prepare_uploads |
fc7ec1d9 |
705 | |
706 | Prepare uploads. |
707 | |
708 | =cut |
709 | |
710 | sub prepare_uploads { } |
711 | |
c9afa5fc |
712 | =item $c->run |
713 | |
714 | Starts the engine. |
715 | |
716 | =cut |
717 | |
718 | sub run { } |
719 | |
23f9d934 |
720 | =item $c->request |
721 | |
722 | =item $c->req |
fc7ec1d9 |
723 | |
724 | Returns a C<Catalyst::Request> object. |
725 | |
726 | my $req = $c->req; |
727 | |
23f9d934 |
728 | =item $c->response |
729 | |
730 | =item $c->res |
fc7ec1d9 |
731 | |
732 | Returns a C<Catalyst::Response> object. |
733 | |
734 | my $res = $c->res; |
735 | |
ac733264 |
736 | =item $c->set_action( $action, $code, $namespace, $attrs ) |
66d9e175 |
737 | |
738 | Set an action in a given namespace. |
739 | |
740 | =cut |
741 | |
742 | sub set_action { |
ac733264 |
743 | my ( $c, $method, $code, $namespace, $attrs ) = @_; |
744 | |
6372237c |
745 | my $prefix = _class2prefix($namespace) || ''; |
746 | my %flags; |
ac733264 |
747 | |
748 | for my $attr ( @{$attrs} ) { |
98dcf439 |
749 | if ( $attr =~ /^(Local|Relative)$/ ) { $flags{local}++ } |
750 | elsif ( $attr =~ /^(Global|Absolute)$/ ) { $flags{global}++ } |
751 | elsif ( $attr =~ /^Path\((.+)\)$/i ) { $flags{path} = $1 } |
752 | elsif ( $attr =~ /^Private$/i ) { $flags{private}++ } |
1d4ea19d |
753 | elsif ( $attr =~ /^(Regex|Regexp)\((.+)\)$/i ) { $flags{regex} = $2 } |
66d9e175 |
754 | } |
ac733264 |
755 | |
6372237c |
756 | return unless keys %flags; |
ac733264 |
757 | |
758 | my $parent = $c->tree; |
759 | my $visitor = Tree::Simple::Visitor::FindByPath->new; |
760 | for my $part ( split '/', $prefix ) { |
761 | $visitor->setSearchPath($part); |
762 | $parent->accept($visitor); |
763 | my $child = $visitor->getResult; |
764 | unless ($child) { |
765 | $child = $parent->addChild( Tree::Simple->new($part) ); |
66d9e175 |
766 | $visitor->setSearchPath($part); |
767 | $parent->accept($visitor); |
ac733264 |
768 | $child = $visitor->getResult; |
66d9e175 |
769 | } |
ac733264 |
770 | $parent = $child; |
66d9e175 |
771 | } |
ac733264 |
772 | my $uid = $parent->getUID; |
773 | $c->actions->{private}->{$uid}->{$method} = [ $namespace, $code ]; |
774 | my $forward = $prefix ? "$prefix/$method" : $method; |
ac733264 |
775 | |
6372237c |
776 | if ( $flags{path} ) { |
777 | $flags{path} =~ s/^\w+//; |
778 | $flags{path} =~ s/\w+$//; |
779 | if ( $flags{path} =~ /^'(.*)'$/ ) { $flags{path} = $1 } |
780 | if ( $flags{path} =~ /^"(.*)"$/ ) { $flags{path} = $1 } |
781 | } |
782 | if ( $flags{regex} ) { |
783 | $flags{regex} =~ s/^\w+//; |
784 | $flags{regex} =~ s/\w+$//; |
785 | if ( $flags{regex} =~ /^'(.*)'$/ ) { $flags{regex} = $1 } |
786 | if ( $flags{regex} =~ /^"(.*)"$/ ) { $flags{regex} = $1 } |
787 | } |
ac733264 |
788 | |
fee92828 |
789 | my $reverse = $prefix ? "$prefix/$method" : $method; |
ac733264 |
790 | |
6372237c |
791 | if ( $flags{local} || $flags{global} || $flags{path} ) { |
792 | my $path = $flags{path} || $method; |
793 | my $absolute = 0; |
794 | if ( $path =~ /^\/(.+)/ ) { |
795 | $path = $1; |
796 | $absolute = 1; |
ac733264 |
797 | } |
8702d594 |
798 | $absolute = 1 if $flags{global}; |
384698de |
799 | my $name = $absolute ? $path : $prefix ? "$prefix/$path" : $path; |
ac733264 |
800 | $c->actions->{plain}->{$name} = [ $namespace, $code ]; |
ac733264 |
801 | } |
6372237c |
802 | if ( my $regex = $flags{regex} ) { |
803 | push @{ $c->actions->{compiled} }, [ $regex, qr#$regex# ]; |
804 | $c->actions->{regex}->{$regex} = [ $namespace, $code ]; |
ac733264 |
805 | } |
806 | |
807 | $c->actions->{reverse}->{"$code"} = $reverse; |
66d9e175 |
808 | } |
809 | |
23f9d934 |
810 | =item $class->setup |
fc7ec1d9 |
811 | |
812 | Setup. |
813 | |
814 | MyApp->setup; |
815 | |
816 | =cut |
817 | |
818 | sub setup { |
819 | my $self = shift; |
820 | $self->setup_components; |
821 | if ( $self->debug ) { |
822 | my $name = $self->config->{name} || 'Application'; |
823 | $self->log->info("$name powered by Catalyst $Catalyst::VERSION"); |
824 | } |
825 | } |
826 | |
ac733264 |
827 | =item $class->setup_actions($component) |
828 | |
829 | Setup actions for a component. |
830 | |
831 | =cut |
832 | |
833 | sub setup_actions { |
834 | my ( $self, $comp ) = @_; |
835 | $comp = ref $comp || $comp; |
836 | for my $action ( @{ $comp->_cache } ) { |
837 | my ( $code, $attrs ) = @{$action}; |
838 | my $name = ''; |
839 | no strict 'refs'; |
98dcf439 |
840 | my @cache = ( $comp, @{"$comp\::ISA"} ); |
bb6823f2 |
841 | my %namespaces; |
98dcf439 |
842 | while ( my $namespace = shift @cache ) { |
bb6823f2 |
843 | $namespaces{$namespace}++; |
98dcf439 |
844 | for my $isa ( @{"$comp\::ISA"} ) { |
bb6823f2 |
845 | next if $namespaces{$isa}; |
98dcf439 |
846 | push @cache, $isa; |
bb6823f2 |
847 | $namespaces{$isa}++; |
98dcf439 |
848 | } |
849 | } |
bb6823f2 |
850 | for my $namespace ( keys %namespaces ) { |
98dcf439 |
851 | for my $sym ( values %{ $namespace . '::' } ) { |
852 | if ( *{$sym}{CODE} && *{$sym}{CODE} == $code ) { |
853 | $name = *{$sym}{NAME}; |
854 | $self->set_action( $name, $code, $comp, $attrs ); |
855 | last; |
856 | } |
ac733264 |
857 | } |
858 | } |
859 | } |
860 | } |
861 | |
23f9d934 |
862 | =item $class->setup_components |
fc7ec1d9 |
863 | |
864 | Setup components. |
865 | |
866 | =cut |
867 | |
868 | sub setup_components { |
869 | my $self = shift; |
870 | |
871 | # Components |
872 | my $class = ref $self || $self; |
873 | eval <<""; |
874 | package $class; |
875 | import Module::Pluggable::Fast |
876 | name => '_components', |
877 | search => [ |
878 | '$class\::Controller', '$class\::C', |
879 | '$class\::Model', '$class\::M', |
880 | '$class\::View', '$class\::V' |
881 | ]; |
882 | |
883 | if ( my $error = $@ ) { |
884 | chomp $error; |
885 | $self->log->error( |
886 | qq/Couldn't initialize "Module::Pluggable::Fast", "$error"/); |
887 | } |
ac733264 |
888 | $self->setup_actions($self); |
fc7ec1d9 |
889 | $self->components( {} ); |
ac733264 |
890 | for my $comp ( $self->_components($self) ) { |
891 | $self->components->{ ref $comp } = $comp; |
892 | $self->setup_actions($comp); |
fc7ec1d9 |
893 | } |
63b763c5 |
894 | my $t = Text::ASCIITable->new( { hide_HeadRow => 1, hide_HeadLine => 1 } ); |
0f7ecc53 |
895 | $t->setCols('Class'); |
0822f9a4 |
896 | $t->setColWidth( 'Class', 75, 1 ); |
55c388c1 |
897 | $t->addRow( wrap( $_, 75 ) ) for keys %{ $self->components }; |
0f7ecc53 |
898 | $self->log->debug( 'Loaded components', $t->draw ) |
899 | if ( @{ $t->{tbl_rows} } && $self->debug ); |
4cf083b1 |
900 | my $actions = $self->actions; |
0f7ecc53 |
901 | my $privates = Text::ASCIITable->new; |
d2d570d4 |
902 | $privates->setCols( 'Private', 'Class', 'Code' ); |
903 | $privates->setColWidth( 'Private', 28, 1 ); |
904 | $privates->setColWidth( 'Class', 28, 1 ); |
905 | $privates->setColWidth( 'Code', 14, 1 ); |
0f7ecc53 |
906 | my $walker = sub { |
907 | my ( $walker, $parent, $prefix ) = @_; |
4cf083b1 |
908 | $prefix .= $parent->getNodeValue || ''; |
909 | $prefix .= '/' unless $prefix =~ /\/$/; |
910 | my $uid = $parent->getUID; |
911 | for my $action ( keys %{ $actions->{private}->{$uid} } ) { |
912 | my ( $class, $code ) = @{ $actions->{private}->{$uid}->{$action} }; |
55c388c1 |
913 | $privates->addRow( |
914 | wrap( "$prefix$action", 28 ), |
915 | wrap( $class, 28 ), |
916 | wrap( $code, 14 ) |
917 | ); |
4cf083b1 |
918 | } |
0f7ecc53 |
919 | $walker->( $walker, $_, $prefix ) for $parent->getAllChildren; |
4cf083b1 |
920 | }; |
0f7ecc53 |
921 | $walker->( $walker, $self->tree, '' ); |
922 | $self->log->debug( 'Loaded private actions', $privates->draw ) |
923 | if ( @{ $privates->{tbl_rows} } && $self->debug ); |
924 | my $publics = Text::ASCIITable->new; |
d2d570d4 |
925 | $publics->setCols( 'Public', 'Private' ); |
926 | $publics->setColWidth( 'Public', 37, 1 ); |
927 | $publics->setColWidth( 'Private', 36, 1 ); |
0822f9a4 |
928 | |
6655e7d4 |
929 | for my $plain ( sort keys %{ $actions->{plain} } ) { |
4cf083b1 |
930 | my ( $class, $code ) = @{ $actions->{plain}->{$plain} }; |
d2d570d4 |
931 | $publics->addRow( wrap( "/$plain", 37 ), |
932 | wrap( $self->actions->{reverse}->{$code} || $code, 36 ) ); |
4cf083b1 |
933 | } |
0f7ecc53 |
934 | $self->log->debug( 'Loaded public actions', $publics->draw ) |
935 | if ( @{ $publics->{tbl_rows} } && $self->debug ); |
936 | my $regexes = Text::ASCIITable->new; |
d2d570d4 |
937 | $regexes->setCols( 'Regex', 'Private' ); |
938 | $regexes->setColWidth( 'Regex', 37, 1 ); |
939 | $regexes->setColWidth( 'Private', 36, 1 ); |
6655e7d4 |
940 | for my $regex ( sort keys %{ $actions->{regex} } ) { |
4cf083b1 |
941 | my ( $class, $code ) = @{ $actions->{regex}->{$regex} }; |
d2d570d4 |
942 | $regexes->addRow( wrap( $regex, 37 ), |
943 | wrap( $self->actions->{reverse}->{$class} || $class, 36 ) ); |
4cf083b1 |
944 | } |
0f7ecc53 |
945 | $self->log->debug( 'Loaded regex actions', $regexes->draw ) |
946 | if ( @{ $regexes->{tbl_rows} } && $self->debug ); |
fc7ec1d9 |
947 | } |
948 | |
63b763c5 |
949 | =item $c->state |
950 | |
951 | Contains the return value of the last executed action. |
952 | |
23f9d934 |
953 | =item $c->stash |
fc7ec1d9 |
954 | |
955 | Returns a hashref containing all your data. |
956 | |
957 | $c->stash->{foo} ||= 'yada'; |
958 | print $c->stash->{foo}; |
959 | |
960 | =cut |
961 | |
962 | sub stash { |
963 | my $self = shift; |
964 | if ( $_[0] ) { |
965 | my $stash = $_[1] ? {@_} : $_[0]; |
966 | while ( my ( $key, $val ) = each %$stash ) { |
967 | $self->{stash}->{$key} = $val; |
968 | } |
969 | } |
970 | return $self->{stash}; |
971 | } |
972 | |
973 | sub _prefix { |
974 | my ( $class, $name ) = @_; |
7833fdfc |
975 | my $prefix = _class2prefix($class); |
976 | $name = "$prefix/$name" if $prefix; |
977 | return $name; |
978 | } |
979 | |
980 | sub _class2prefix { |
b768faa3 |
981 | my $class = shift || ''; |
0434eec1 |
982 | my $prefix; |
98dcf439 |
983 | if ( $class =~ /^.*::([MVC]|Model|View|Controller)?::(.*)$/ ) { |
984 | $prefix = lc $2; |
985 | $prefix =~ s/\:\:/\//g; |
0434eec1 |
986 | } |
7833fdfc |
987 | return $prefix; |
fc7ec1d9 |
988 | } |
989 | |
23f9d934 |
990 | =back |
991 | |
fc7ec1d9 |
992 | =head1 AUTHOR |
993 | |
994 | Sebastian Riedel, C<sri@cpan.org> |
995 | |
996 | =head1 COPYRIGHT |
997 | |
998 | This program is free software, you can redistribute it and/or modify it under |
999 | the same terms as Perl itself. |
1000 | |
1001 | =cut |
1002 | |
1003 | 1; |