X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMoose%2FObject.pm;h=0d2aa9c555eb688e190bfc01c0757046b6c19374;hb=c2685d2054e3f63cf38fca4fad1074b4a2e5be83;hp=5d4de68dda550c3fe64c6d46fc60635e5ec8413a;hpb=bc1e29b54ff0125b806ac32bffdcec96ec8a0102;p=gitmo%2FMoose.git diff --git a/lib/Moose/Object.pm b/lib/Moose/Object.pm index 5d4de68..0d2aa9c 100644 --- a/lib/Moose/Object.pm +++ b/lib/Moose/Object.pm @@ -4,35 +4,112 @@ package Moose::Object; use strict; use warnings; -use metaclass 'Moose::Meta::Class' => ( - ':attribute_metaclass' => 'Moose::Meta::Attribute' -); +use Scalar::Util; -our $VERSION = '0.01'; +use if ( not our $__mx_is_compiled ), 'Moose::Meta::Class'; +use if ( not our $__mx_is_compiled ), metaclass => 'Moose::Meta::Class'; + +our $VERSION = '0.73'; +$VERSION = eval $VERSION; +our $AUTHORITY = 'cpan:STEVAN'; sub new { - my $class = shift; - my %params = @_; - my $self = $class->meta->new_object(%params); - $self->BUILDALL(%params); - return $self; + my $class = shift; + + my $params = $class->BUILDARGS(@_); + + # 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 ) { + 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 { %{ $_[0] } }; + } + else { + return {@_}; + } } sub BUILDALL { - my ($self, %params) = @_; - foreach my $method ($self->meta->find_all_methods_by_name('BUILD')) { - $method->{method}->($self, %params); - } + # NOTE: we ask Perl if we even + # need to do this first, to avoid + # extra meta level calls + return unless $_[0]->can('BUILD'); + my ($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')) { - $method->{method}->($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'); + foreach my $method (Class::MOP::class_of($self)->find_all_methods_by_name('DEMOLISH')) { + $method->{code}->execute($self); + } } -sub DESTROY { goto &DEMOLISHALL } +sub DESTROY { + # if we have an exception here ... + if ($@) { + # localize the $@ ... + local $@; + # run DEMOLISHALL ourselves, ... + $_[0]->DEMOLISHALL; + # and return ... + return; + } + # otherwise it is normal destruction + $_[0]->DEMOLISHALL; +} + +# support for UNIVERSAL::DOES ... +BEGIN { + my $does = UNIVERSAL->can("DOES") ? "SUPER::DOES" : "isa"; + eval 'sub DOES { + my ( $self, $class_or_role_name ) = @_; + return $self->'.$does.'($class_or_role_name) + || $self->does($class_or_role_name); + }'; +} + +# new does() methods will be created +# as appropiate see Moose::Meta::Role +sub does { + my ($self, $role_name) = @_; + my $meta = Class::MOP::class_of($self); + (defined $role_name) + || $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 + if $m->can('does_role') && $m->does_role($role_name); + } + return 0; +} + +sub dump { + my $self = shift; + require Data::Dumper; + local $Data::Dumper::Maxdepth = shift if @_; + Data::Dumper::Dumper $self; +} 1; @@ -42,23 +119,75 @@ __END__ =head1 NAME -Moose::Object - - -=head1 SYNOPSIS +Moose::Object - The base object for Moose =head1 DESCRIPTION +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. + +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) >>. -=item B +=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. -=item B +You can override this method in your class to handle other types of +options passed to the constructor. + +This method should always return a hash reference of named options. + +=item B<< $object->BUILDALL($params) >> + +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. + +The C method will be passed the hash reference returned by +C. + +=item B<< $object->DEMOLISHALL >> + +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<< $object->does($role_name) >> + +This returns true if the object does the given role. + +=item B + +This is a a Moose role-aware implementation of L. + +This is effectively the same as writing: + + $object->does($name) || $object->isa($name) + +This method will work with Perl 5.8, which did not implement +C. + +=item B<< $object->dump($maxdepth) >> + +This is a handy utility for Cing an object. By default, +the maximum depth is 1, to avoid making a mess. =back @@ -68,24 +197,17 @@ All complex software has bugs lurking in it, and this module is no exception. If you find a bug please either email me, or add the bug to cpan-RT. -=head1 CODE COVERAGE - -I use L to test the code coverage of my tests, below is the -L report on this module's test suite. - -=head1 ACKNOWLEDGEMENTS - =head1 AUTHOR Stevan Little Estevan@iinteractive.comE =head1 COPYRIGHT AND LICENSE -Copyright 2006 by Infinity Interactive, Inc. +Copyright 2006-2009 by Infinity Interactive, Inc. L This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself. -=cut \ No newline at end of file +=cut