X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMoose%2FObject.pm;h=afcd693fddad21a1cba9d9f37621a8625e53f237;hb=f9b1ab71234d11a9121de96c574ca980bbfb3eaa;hp=56eaff4d34d568ab835a78e7bc4fdadce44fee4b;hpb=a94188ac85b86f501de86f25496e821e31d74cac;p=gitmo%2FMoose.git diff --git a/lib/Moose/Object.pm b/lib/Moose/Object.pm index 56eaff4..afcd693 100644 --- a/lib/Moose/Object.pm +++ b/lib/Moose/Object.pm @@ -4,34 +4,40 @@ package Moose::Object; use strict; use warnings; +use Scalar::Util; + use if ( not our $__mx_is_compiled ), 'Moose::Meta::Class'; use if ( not our $__mx_is_compiled ), metaclass => 'Moose::Meta::Class'; -use Carp 'confess'; - -our $VERSION = '0.56'; +our $VERSION = '0.74'; +$VERSION = eval $VERSION; our $AUTHORITY = 'cpan:STEVAN'; sub new { my $class = shift; + my $params = $class->BUILDARGS(@_); - my $self = $class->meta->new_object(%$params); + + # We want to support passing $self->new, but initialize + # takes only an unblessed class name + my $real_class = Scalar::Util::blessed($class) || $class; + my $self = Class::MOP::Class->initialize($real_class)->new_object($params); + $self->BUILDALL($params); + return $self; } sub BUILDARGS { my $class = shift; - if (scalar @_ == 1) { - if (defined $_[0]) { - (ref($_[0]) eq 'HASH') - || confess "Single parameters to new() must be a HASH ref"; - return {%{$_[0]}}; - } - else { - return {}; # FIXME this is compat behavior, but is it correct? + if ( scalar @_ == 1 ) { + unless ( defined $_[0] && ref $_[0] eq 'HASH' ) { + Class::MOP::class_of($class)->throw_error( + "Single parameters to new() must be a HASH ref", + data => $_[0] ); } - } + return { %{ $_[0] } }; + } else { return {@_}; } @@ -43,23 +49,32 @@ sub BUILDALL { # extra meta level calls return unless $_[0]->can('BUILD'); my ($self, $params) = @_; - foreach my $method (reverse $self->meta->find_all_methods_by_name('BUILD')) { - $method->{code}->body->($self, $params); + foreach my $method (reverse Class::MOP::class_of($self)->find_all_methods_by_name('BUILD')) { + $method->{code}->execute($self, $params); } } sub DEMOLISHALL { - my $self = shift; - foreach my $method ($self->meta->find_all_methods_by_name('DEMOLISH')) { - $method->{code}->body->($self); + my $self = shift; + + # NOTE: we ask Perl if we even + # need to do this first, to avoid + # extra meta level calls + return unless $self->can('DEMOLISH'); + + # This is a hack, because Moose::Meta::Class may not be the right + # metaclass, but class_of may return undef during global + # destruction, if the metaclass object has already been cleaned + # up. + my $meta = Class::MOP::class_of($self) + || Moose::Meta::Class->initialize( ref $self ); + + foreach my $method ( $meta->find_all_methods_by_name('DEMOLISH') ) { + $method->{code}->execute($self); } } sub DESTROY { - # NOTE: we ask Perl if we even - # need to do this first, to avoid - # extra meta level calls - return unless $_[0]->can('DEMOLISH'); # if we have an exception here ... if ($@) { # localize the $@ ... @@ -84,12 +99,12 @@ BEGIN { } # new does() methods will be created -# as approiate see Moose::Meta::Role +# as appropiate see Moose::Meta::Role sub does { my ($self, $role_name) = @_; + my $meta = Class::MOP::class_of($self); (defined $role_name) - || confess "You must supply a role name to does()"; - my $meta = $self->meta; + || $meta->throw_error("You much supply a role name to does()"); foreach my $class ($meta->class_precedence_list) { my $m = $meta->initialize($class); return 1 @@ -98,15 +113,6 @@ sub does { return 0; } -# RANT: -# Cmon, how many times have you written -# the following code while debugging: -# -# use Data::Dumper; -# warn Dumper \%thing; -# -# It can get seriously annoying, so why -# not just do this ... sub dump { my $self = shift; require Data::Dumper; @@ -126,60 +132,71 @@ Moose::Object - The base object for Moose =head1 DESCRIPTION -This serves as the base object for all Moose classes. Every -effort will be made to ensure that all classes which C -will inherit from this class. It provides a default constructor -and destructor, which run all the BUILD and DEMOLISH methods in -the class tree. +This class is the default base class for all Moose-using classes. When +you C in this class, your class will inherit from this +class. -You don't actually I to inherit from this in order to -use Moose though. It is just here to make life easier. +It provides a default constructor and destructor, which run the +C and C methods respectively. + +You don't actually I to inherit from this in order to use Moose, +but it makes it easier to take advantage of all of Moose's features. =head1 METHODS =over 4 -=item B +=item B<< Moose::Object->new(%params) >> + +This method calls C<< $class->BUILDARGS(@_) >>, and then creates a new +instance of the appropriate class. Once the instance is created, it +calls C<< $instance->BUILDALL($params) >>. -This will return the metaclass associated with the given class. +=item B<< Moose::Object->BUILDARGS(%params) >> -=item B +The default implementation of this method accepts a hash or hash +reference of named parameters. If it receives a single argument that +I a hash reference it throws an error. -This will call C, create a new instance and call C. +You can override this method in your class to handle other types of +options passed to the constructor. -=item B +This method should always return a hash reference of named options. -This method processes an argument list into a hash reference. It is used by -C. +=item B<< $object->BUILDALL($params) >> -=item B +This method will call every C method in the inheritance +hierarchy, starting with the most distant parent class and ending with +the object's class. -This will call every C method in the inheritance hierarchy, -and pass it a hash-ref of the the C<%params> passed to C. +The C method will be passed the hash reference returned by +C. -=item B +=item B<< $object->DEMOLISHALL >> -This will call every C method in the inheritance hierarchy. +This will call every C method in the inheritance hierarchy, +starting with the object's class and ending with the most distant +parent. -=item B +=item B<< $object->does($role_name) >> -This will check if the invocant's class C a given C<$role_name>. -This is similar to C for object, but it checks the roles instead. +This returns true if the object does the given role. =item B -A Moose Role aware implementation of L. +This is a a Moose role-aware implementation of L. -C is equivalent to C or C. +This is effectively the same as writing: -=item B + $object->does($name) || $object->isa($name) -Cmon, how many times have you written the following code while debugging: +This method will work with Perl 5.8, which did not implement +C. - use Data::Dumper; - warn Dumper $obj; +=item B<< $object->dump($maxdepth) >> -It can get seriously annoying, so why not just use this. +This is a handy utility for Cing an object. By default, +the maximum depth is 1, to avoid making a mess. =back @@ -195,7 +212,7 @@ Stevan Little Estevan@iinteractive.comE =head1 COPYRIGHT AND LICENSE -Copyright 2006-2008 by Infinity Interactive, Inc. +Copyright 2006-2009 by Infinity Interactive, Inc. L