1 package Catalyst::Action;
5 Catalyst::Action - Catalyst Action
9 <form action="[%c.uri_for(c.action.reverse)%]">
13 This class represents a Catalyst Action. You can access the object for the
14 currently dispatched action via $c->action. See the L<Catalyst::Dispatcher>
15 for more information on how actions are dispatched. Actions are defined in
16 L<Catalyst::Controller> subclasses.
22 has class => (is => 'rw');
23 has namespace => (is => 'rw');
24 has 'reverse' => (is => 'rw');
25 has attributes => (is => 'rw');
26 has name => (is => 'rw');
27 has code => (is => 'rw');
31 no warnings 'recursion';
33 #__PACKAGE__->mk_accessors(qw/class namespace reverse attributes name code/);
37 # Stringify to reverse for debug output etc.
38 q{""} => sub { shift->reverse() },
40 # Codulate to execute to invoke the encapsulated action coderef
41 '&{}' => sub { my $self = shift; sub { $self->execute(@_); }; },
43 # Make general $stuff still work
48 sub dispatch { # Execute ourselves against a context
49 my ( $self, $c ) = @_;
50 #Moose todo: grrrrrr. this is no good. i don't know enough about it to
51 # debug it though. why can't we just call the accessor?
52 #local $c->{namespace} = $self->namespace;
53 #return $c->execute( $self->class, $self );
55 #believed to be equivalent:
56 my $orig = $c->namespace;
57 $c->namespace($self->namespace);
58 my $ret = $c->execute( $self->class, $self );
69 my ( $self, $c ) = @_;
70 #would it be unreasonable to store the number of arguments
71 #the action has as it's own attribute?
72 #it would basically eliminate the code below. ehhh. small fish
73 return 1 unless exists $self->attributes->{Args};
74 my $args = $self->attributes->{Args}[0];
75 return 1 unless defined($args) && length($args);
76 return scalar( @{ $c->req->args } ) == $args;
79 __PACKAGE__->meta->make_immutable;
89 The sub attributes that are set for this action, like Local, Path, Private
90 and so on. This determines how the action is dispatched to.
94 Returns the class name where this action is defined.
98 Returns a code reference to this action.
100 =head2 dispatch( $c )
102 Dispatch this action against a context
104 =head2 execute( $controller, $c, @args )
106 Execute this action's coderef against a given controller with a given
107 context and arguments
111 Check Args attribute, and makes sure number of args matches the setting.
112 Always returns true if Args is omitted.
116 Returns the private namespace this action lives in.
120 Returns the private path for this action.
124 returns the sub name of this action.
136 This program is free software, you can redistribute it and/or modify it under
137 the same terms as Perl itself.