X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=catagits%2FCatalyst-Runtime.git;a=blobdiff_plain;f=lib%2FCatalyst%2FAction.pm;h=0e2bb583f46c45e5eb40c57905ec3de584e22875;hp=649ea78160109da8936061fa6af6fd11acb10ef4;hb=ac5c933bdd463558e8d621507a53a7b247a9093e;hpb=cfd04b0cabf99346090fe4e3312e393364e571ef diff --git a/lib/Catalyst/Action.pm b/lib/Catalyst/Action.pm index 649ea78..0e2bb58 100644 --- a/lib/Catalyst/Action.pm +++ b/lib/Catalyst/Action.pm @@ -1,59 +1,131 @@ package Catalyst::Action; -use strict; -use base qw/Class::Accessor::Fast/; +=head1 NAME + +Catalyst::Action - Catalyst Action + +=head1 SYNOPSIS + +
+ +=head1 DESCRIPTION + +This class represents a Catalyst Action. You can access the object for the +currently dispatched action via $c->action. See the L +for more information on how actions are dispatched. Actions are defined in +L subclasses. + +=cut -__PACKAGE__->mk_accessors(qw/code namespace reverse prefix/); +use Moose; + +has class => (is => 'rw'); +has namespace => (is => 'rw'); +has 'reverse' => (is => 'rw'); +has attributes => (is => 'rw'); +has name => (is => 'rw'); +has code => (is => 'rw'); + +no Moose; + +no warnings 'recursion'; + +#__PACKAGE__->mk_accessors(qw/class namespace reverse attributes name code/); use overload ( # Stringify to reverse for debug output etc. - q{""} => sub { shift->{reverse} }, + q{""} => sub { shift->reverse() }, + + # Codulate to execute to invoke the encapsulated action coderef + '&{}' => sub { my $self = shift; sub { $self->execute(@_); }; }, - # Codulate to encapsulated action coderef - '&{}' => sub { shift->{code} }, + # Make general $stuff still work + fallback => 1, ); -=head1 NAME +sub dispatch { # Execute ourselves against a context + my ( $self, $c ) = @_; + #Moose todo: grrrrrr. this is no good. i don't know enough about it to + # debug it though. why can't we just call the accessor? + local $c->{namespace} = $self->namespace; + return $c->execute( $self->class, $self ); + + #believed to be equivalent: + #my $orig = $c->namespace; + #$c->namespace($self->namespace); + #my $ret = $c->execute( $self->class, $self ); + #$c->namespace($orig); + #return $ret; +} -Catalyst::Action - Catalyst Action +sub execute { + my $self = shift; + $self->code->(@_); +} -=head1 SYNOPSIS +sub match { + my ( $self, $c ) = @_; + #would it be unreasonable to store the number of arguments + #the action has as it's own attribute? + #it would basically eliminate the code below. ehhh. small fish + return 1 unless exists $self->attributes->{Args}; + my $args = $self->attributes->{Args}[0]; + return 1 unless defined($args) && length($args); + return scalar( @{ $c->req->args } ) == $args; +} -See L. +__PACKAGE__->meta->make_immutable; -=head1 DESCRIPTION +1; + +__END__ =head1 METHODS -=over 4 +=head2 attributes -=item code +The sub attributes that are set for this action, like Local, Path, Private +and so on. This determines how the action is dispatched to. -=item execute +=head2 class -=cut +Returns the class name where this action is defined. -sub execute { # Execute ourselves against a context - my ( $self, $c ) = @_; - return $c->execute( $self->namespace, $self ); -} +=head2 code -=item namespace +Returns a code reference to this action. -=item reverse +=head2 dispatch( $c ) -=item new +Dispatch this action against a context -=cut +=head2 execute( $controller, $c, @args ) -sub new { # Dumbass constructor - my ( $class, $attrs ) = @_; - return bless { %{ $attrs || {} } }, $class; -} +Execute this action's coderef against a given controller with a given +context and arguments + +=head2 match( $c ) -=back +Check Args attribute, and makes sure number of args matches the setting. +Always returns true if Args is omitted. + +=head2 namespace + +Returns the private namespace this action lives in. + +=head2 reverse + +Returns the private path for this action. + +=head2 name + +returns the sub name of this action. + +=head2 meta + +Provided by Moose =head1 AUTHOR @@ -65,5 +137,3 @@ This program is free software, you can redistribute it and/or modify it under the same terms as Perl itself. =cut - -1;