Commit | Line | Data |
5d9a6d47 |
1 | package Catalyst::Setup; |
2 | |
3 | use strict; |
4 | use Catalyst::Exception; |
5 | use Catalyst::Log; |
6 | use Catalyst::Utils; |
7 | use Path::Class; |
8 | use Text::ASCIITable; |
9 | |
10dd6896 |
10 | require Module::Pluggable::Fast; |
5da4f9c6 |
11 | |
5d9a6d47 |
12 | =head1 NAME |
13 | |
14 | Catalyst::Setup - The Catalyst Setup class |
15 | |
16 | =head1 SYNOPSIS |
17 | |
18 | See L<Catalyst>. |
19 | |
20 | =head1 DESCRIPTION |
21 | |
22 | =head1 METHODS |
23 | |
24 | =over 4 |
25 | |
5da4f9c6 |
26 | =item $c->setup |
27 | |
28 | Setup. |
29 | |
30 | $c->setup; |
31 | |
32 | =cut |
33 | |
34 | sub setup { |
10dd6896 |
35 | my ( $class, @arguments ) = @_; |
36 | |
37 | unless ( $class->isa('Catalyst') ) { |
38 | |
39 | Catalyst::Exception->throw( |
40 | message => qq/'$class' does not inherit from Catalyst/ |
41 | ); |
42 | } |
43 | |
44 | if ( $class->arguments ) { |
45 | @arguments = ( @arguments, @{ $class->arguments } ); |
46 | } |
47 | |
48 | # Process options |
49 | my $flags = { }; |
50 | |
51 | foreach (@arguments) { |
52 | |
53 | if ( /^-Debug$/ ) { |
54 | $flags->{log} = ( $flags->{log} ) ? 'debug,' . $flags->{log} : 'debug'; |
55 | } |
56 | elsif (/^-(\w+)=?(.*)$/) { |
57 | $flags->{ lc $1 } = $2; |
58 | } |
59 | else { |
60 | push @{ $flags->{plugins} }, $_; |
61 | } |
62 | } |
63 | |
64 | $class->setup_log ( delete $flags->{log} ); |
65 | $class->setup_plugins ( delete $flags->{plugins} ); |
66 | $class->setup_dispatcher ( delete $flags->{dispatcher} ); |
67 | $class->setup_engine ( delete $flags->{engine} ); |
68 | $class->setup_home ( delete $flags->{home} ); |
69 | |
70 | for my $flag ( sort keys %{ $flags } ) { |
71 | |
72 | if ( my $code = $class->can( 'setup_' . $flag ) ) { |
73 | &$code( $class, delete $flags->{$flag} ); |
74 | } |
75 | else { |
76 | $class->log->warn(qq/Unknown flag "$flag"/); |
77 | } |
78 | } |
79 | |
80 | $class->log->warn( "You are running an old helper script! " |
81 | . "Please update your scripts by regenerating the " |
82 | . "application and copying over the new scripts." ) |
83 | if ( $ENV{CATALYST_SCRIPT_GEN} |
84 | && ( $ENV{CATALYST_SCRIPT_GEN} < $Catalyst::CATALYST_SCRIPT_GEN ) ); |
85 | |
86 | |
87 | if ( $class->debug ) { |
88 | |
89 | my @plugins = (); |
90 | |
91 | { |
92 | no strict 'refs'; |
93 | @plugins = grep { /^Catalyst::Plugin/ } @{"$class\::ISA"}; |
94 | } |
95 | |
96 | if ( @plugins ) { |
97 | my $t = Text::ASCIITable->new; |
98 | $t->setOptions( 'hide_HeadRow', 1 ); |
99 | $t->setOptions( 'hide_HeadLine', 1 ); |
100 | $t->setCols('Class'); |
101 | $t->setColWidth( 'Class', 75, 1 ); |
102 | $t->addRow($_) for @plugins; |
103 | $class->log->debug( "Loaded plugins:\n" . $t->draw ); |
104 | } |
105 | |
106 | my $dispatcher = $class->dispatcher; |
107 | my $engine = $class->engine; |
108 | my $home = $class->config->{home}; |
109 | |
110 | $class->log->debug(qq/Loaded dispatcher "$dispatcher"/); |
111 | $class->log->debug(qq/Loaded engine "$engine"/); |
112 | |
113 | $home |
114 | ? ( -d $home ) |
115 | ? $class->log->debug(qq/Found home "$home"/) |
116 | : $class->log->debug(qq/Home "$home" doesn't exist/) |
117 | : $class->log->debug(q/Couldn't find home/); |
118 | } |
5da4f9c6 |
119 | |
120 | # Call plugins setup |
121 | $class->NEXT::setup; |
122 | |
123 | # Initialize our data structure |
124 | $class->components( {} ); |
125 | |
126 | $class->setup_components; |
127 | |
128 | if ( $class->debug ) { |
129 | my $t = Text::ASCIITable->new; |
130 | $t->setOptions( 'hide_HeadRow', 1 ); |
131 | $t->setOptions( 'hide_HeadLine', 1 ); |
132 | $t->setCols('Class'); |
133 | $t->setColWidth( 'Class', 75, 1 ); |
134 | $t->addRow($_) for sort keys %{ $class->components }; |
135 | $class->log->debug( "Loaded components:\n" . $t->draw ) |
136 | if ( @{ $t->{tbl_rows} } ); |
137 | } |
138 | |
139 | # Add our self to components, since we are also a component |
140 | $class->components->{$class} = $class; |
141 | |
142 | $class->setup_actions; |
143 | |
144 | if ( $class->debug ) { |
145 | my $name = $class->config->{name} || 'Application'; |
146 | $class->log->info("$name powered by Catalyst $Catalyst::VERSION"); |
147 | } |
148 | } |
149 | |
5993f5a2 |
150 | =item $c->setup_components |
5d9a6d47 |
151 | |
152 | Setup components. |
153 | |
154 | =cut |
155 | |
156 | sub setup_components { |
157 | my $class = shift; |
158 | |
159 | my $callback = sub { |
160 | my ( $component, $context ) = @_; |
161 | |
162 | unless ( $component->isa('Catalyst::Base') ) { |
163 | return $component; |
164 | } |
165 | |
166 | my $suffix = Catalyst::Utils::class2classsuffix($component); |
167 | my $config = $class->config->{$suffix} || {}; |
168 | |
169 | my $instance; |
170 | |
171 | eval { $instance = $component->new( $context, $config ); }; |
172 | |
173 | if ( my $error = $@ ) { |
174 | |
175 | chomp $error; |
176 | |
177 | Catalyst::Exception->throw( |
178 | message => qq/Couldn't instantiate component "$component", "$error"/ |
179 | ); |
180 | } |
181 | |
182 | return $instance; |
183 | }; |
184 | |
185 | eval { |
186 | Module::Pluggable::Fast->import( |
187 | name => '_components', |
188 | search => [ |
189 | "$class\::Controller", "$class\::C", |
190 | "$class\::Model", "$class\::M", |
191 | "$class\::View", "$class\::V" |
192 | ], |
193 | callback => $callback |
194 | ); |
195 | }; |
196 | |
197 | if ( my $error = $@ ) { |
198 | |
199 | chomp $error; |
200 | |
201 | Catalyst::Exception->throw( |
202 | message => qq/Couldn't load components "$error"/ |
203 | ); |
204 | } |
205 | |
206 | for my $component ( $class->_components($class) ) { |
207 | $class->components->{ ref $component || $component } = $component; |
208 | } |
209 | } |
210 | |
211 | =item $c->setup_dispatcher |
212 | |
213 | =cut |
214 | |
215 | sub setup_dispatcher { |
216 | my ( $class, $dispatcher ) = @_; |
217 | |
218 | if ( $dispatcher ) { |
219 | $dispatcher = 'Catalyst::Dispatcher::' . $dispatcher; |
220 | } |
221 | |
222 | if ( $ENV{CATALYST_DISPATCHER} ) { |
223 | $dispatcher = 'Catalyst::Dispatcher::' . $ENV{CATALYST_DISPATCHER}; |
224 | } |
225 | |
226 | if ( $ENV{ uc($class) . '_DISPATCHER' } ) { |
227 | $dispatcher = 'Catalyst::Dispatcher::' . $ENV{ uc($class) . '_DISPATCHER' }; |
228 | } |
229 | |
230 | unless ( $dispatcher ) { |
231 | $dispatcher = 'Catalyst::Dispatcher'; |
232 | } |
233 | |
234 | $dispatcher->require; |
235 | |
236 | if ( $@ ) { |
237 | Catalyst::Exception->throw( |
238 | message => qq/Couldn't load dispatcher "$dispatcher", "$@"/ |
239 | ); |
240 | } |
241 | |
242 | { |
243 | no strict 'refs'; |
244 | push @{"$class\::ISA"}, $dispatcher; |
245 | } |
246 | |
247 | $class->dispatcher($dispatcher); |
248 | } |
249 | |
250 | =item $c->setup_engine |
251 | |
252 | =cut |
253 | |
254 | sub setup_engine { |
255 | my ( $class, $engine ) = @_; |
256 | |
257 | if ( $engine ) { |
258 | $engine = 'Catalyst::Engine::' . $engine; |
259 | } |
260 | |
261 | if ( $ENV{CATALYST_ENGINE} ) { |
262 | $engine = 'Catalyst::Engine::' . $ENV{CATALYST_ENGINE}; |
263 | } |
264 | |
265 | if ( $ENV{ uc($class) . '_ENGINE' } ) { |
266 | $engine = 'Catalyst::Engine::' . $ENV{ uc($class) . '_ENGINE' }; |
267 | } |
268 | |
269 | if ( ! $engine && $ENV{MOD_PERL} ) { |
270 | |
271 | my ( $software, $version ) = $ENV{MOD_PERL} =~ /^(\S+)\/(\d+(?:[\.\_]\d+)+)/; |
272 | |
273 | $version =~ s/_//g; |
274 | $version =~ s/(\.[^.]+)\./$1/g; |
275 | |
276 | if ( $software eq 'mod_perl') { |
277 | |
278 | if ( $version >= 1.99922 ) { |
279 | |
280 | $engine = 'Catalyst::Engine::Apache::MP20'; |
281 | |
282 | if ( Apache2::Request->require ) { |
283 | $engine = 'Catalyst::Engine::Apache::MP20::Apreq'; |
284 | } |
285 | } |
286 | |
287 | elsif ( $version >= 1.9901 ) { |
288 | |
289 | $engine = 'Catalyst::Engine::Apache::MP19'; |
290 | |
291 | if ( Apache::Request->require ) { |
292 | $engine = 'Catalyst::Engine::Apache::MP19::Apreq'; |
293 | } |
294 | } |
295 | |
296 | elsif ( $version >= 1.24 ) { |
297 | |
298 | $engine = 'Catalyst::Engine::Apache::MP13'; |
299 | |
300 | if ( Apache::Request->require ) { |
301 | $engine = 'Catalyst::Engine::Apache::MP13::Apreq'; |
302 | } |
303 | } |
304 | |
305 | else { |
306 | Catalyst::Exception->throw( |
307 | message => qq/Unsupported mod_perl version: $ENV{MOD_PERL}/ |
308 | ); |
309 | } |
310 | } |
311 | |
312 | elsif ( $software eq 'Zeus-Perl' ) { |
313 | $engine = 'Catalyst::Engine::Zeus'; |
314 | } |
315 | |
316 | else { |
317 | Catalyst::Exception->throw( |
318 | message => qq/Unsupported mod_perl: $ENV{MOD_PERL}/ |
319 | ); |
320 | } |
321 | } |
322 | |
323 | unless ( $engine ) { |
324 | $engine = 'Catalyst::Engine::CGI'; |
325 | } |
326 | |
327 | $engine->require; |
328 | |
329 | if ( $@ ) { |
330 | Catalyst::Exception->throw( |
331 | message => qq/Couldn't load engine "$engine", "$@"/ |
332 | ); |
333 | } |
334 | |
335 | { |
336 | no strict 'refs'; |
337 | push @{"$class\::ISA"}, $engine; |
338 | } |
339 | |
340 | $class->engine($engine); |
341 | } |
342 | |
343 | =item $c->setup_home |
344 | |
345 | =cut |
346 | |
347 | sub setup_home { |
348 | my ( $class, $home ) = @_; |
349 | |
350 | if ( $ENV{CATALYST_HOME} ) { |
351 | $home = $ENV{CATALYST_HOME}; |
352 | } |
353 | |
354 | if ( $ENV{ uc($class) . '_HOME' } ) { |
355 | $home = $ENV{ uc($class) . '_HOME' }; |
356 | } |
357 | |
358 | unless ( $home ) { |
359 | $home = Catalyst::Utils::home($class); |
360 | } |
361 | |
362 | if ( $home ) { |
e0143040 |
363 | $class->config->{home} ||= $home; |
364 | $class->config->{root} ||= dir($home)->subdir('root'); |
5d9a6d47 |
365 | } |
366 | } |
367 | |
368 | =item $c->setup_log |
369 | |
370 | =cut |
371 | |
372 | sub setup_log { |
373 | my ( $class, $debug ) = @_; |
374 | |
375 | unless ( $class->log ) { |
376 | $class->log( Catalyst::Log->new ); |
377 | } |
378 | |
379 | if ( $ENV{CATALYST_DEBUG} || $ENV{ uc($class) . '_DEBUG' } || $debug ) { |
380 | no strict 'refs'; |
381 | *{"$class\::debug"} = sub { 1 }; |
382 | $class->log->debug('Debug messages enabled'); |
383 | } |
384 | } |
385 | |
386 | =item $c->setup_plugins |
387 | |
388 | =cut |
389 | |
390 | sub setup_plugins { |
391 | my ( $class, $plugins ) = @_; |
392 | |
393 | for my $plugin ( @$plugins ) { |
394 | |
395 | $plugin = "Catalyst::Plugin::$plugin"; |
396 | |
397 | $plugin->require; |
398 | |
399 | if ( $@ ) { |
400 | Catalyst::Exception->throw( |
401 | message => qq/Couldn't load plugin "$plugin", "$@"/ |
402 | ); |
403 | } |
404 | |
405 | { |
406 | no strict 'refs'; |
407 | push @{"$class\::ISA"}, $plugin; |
408 | } |
409 | } |
410 | } |
411 | |
412 | =back |
413 | |
414 | =head1 AUTHOR |
415 | |
416 | Sebastian Riedel, C<sri@cpan.org> |
417 | Christian Hansen, C<ch@ngmedia.com> |
418 | |
419 | =head1 COPYRIGHT |
420 | |
421 | This program is free software, you can redistribute it and/or modify |
422 | it under the same terms as Perl itself. |
423 | |
424 | =cut |
425 | |
426 | 1; |