package MooseX::Emulate::Class::Accessor::Fast;
use Moose::Role;
+use Class::MOP ();
+use Scalar::Util ();
-our $VERSION = '0.00400';
+use MooseX::Emulate::Class::Accessor::Fast::Meta::Accessor ();
+
+our $VERSION = '0.00901';
=head1 NAME
-MooseX::Emulate::Class::Accessor::Fast -
- Emulate Class::Accessor::Fast behavior using Moose attributes
+MooseX::Emulate::Class::Accessor::Fast - Emulate Class::Accessor::Fast behavior using Moose attributes
=head1 SYNOPSYS
#fields with readers and writers
__PACKAGE__->mk_accessors(qw/field1 field2/);
#fields with readers only
- __PACKAGE__->mk_accessors(qw/field3 field4/);
+ __PACKAGE__->mk_ro_accessors(qw/field3 field4/);
#fields with writers only
- __PACKAGE__->mk_accessors(qw/field5 field6/);
+ __PACKAGE__->mk_wo_accessors(qw/field5 field6/);
=head1 DESCRIPTION
=cut
-sub BUILD {
+my $locate_metaclass = sub {
+ my $class = Scalar::Util::blessed($_[0]) || $_[0];
+ return Class::MOP::get_metaclass_by_name($class)
+ || Moose::Meta::Class->initialize($class);
+};
+
+sub BUILD { }
+
+around 'BUILD' => sub {
+ my $orig = shift;
my $self = shift;
- my %args;
- if (scalar @_ == 1 && defined $_[0] && ref($_[0]) eq 'HASH') {
- %args = %{$_[0]};
- } elsif( scalar(@_) ) {
- %args = @_;
- }
+ my %args = %{ $_[0] };
+ $self->$orig(\%args);
my @extra = grep { !exists($self->{$_}) } keys %args;
@{$self}{@extra} = @args{@extra};
return $self;
-}
+};
=head2 mk_accessors @field_names
=cut
-sub mk_accessors{
+sub mk_accessors {
my $self = shift;
- my $meta = $self->meta;
+ my $meta = $locate_metaclass->($self);
+ my $class = $meta->name;
+ confess("You are trying to modify ${class}, which has been made immutable, this is ".
+ "not supported. Try subclassing ${class}, rather than monkeypatching it")
+ if $meta->is_immutable;
+
for my $attr_name (@_){
+ $meta->remove_attribute($attr_name)
+ if $meta->find_attribute_by_name($attr_name);
my $reader = $self->accessor_name_for($attr_name);
my $writer = $self->mutator_name_for( $attr_name);
#dont overwrite existing methods
if($reader eq $writer){
- my %opts = ( $self->can($reader) ? () : (accessor => $reader) );
- my $attr = $meta->add_attribute($attr_name, %opts);
+ my %opts = ( $meta->has_method($reader) ? ( is => 'bare' ) : (accessor => $reader) );
+ my $attr = $meta->find_attribute_by_name($attr_name) || $meta->add_attribute($attr_name, %opts,
+ traits => ['MooseX::Emulate::Class::Accessor::Fast::Meta::Role::Attribute']
+ );
if($attr_name eq $reader){
my $alias = "_${attr_name}_accessor";
- next if $self->can($alias);
- my @alias_method = $opts{accessor} ? ( $alias => $self->can($reader) )
- : ( $attr->process_accessors(accessor => $alias, 0 ) );
- $meta->add_method(@alias_method);
+ next if $meta->has_method($alias);
+ $meta->add_method($alias => $attr->get_read_method_ref);
}
} else {
- my @opts = ( $self->can($writer) ? () : (writer => $writer) );
- push(@opts, (reader => $reader)) unless $self->can($reader);
- $meta->add_attribute($attr_name, @opts);
+ my @opts = ( $meta->has_method($writer) ? () : (writer => $writer) );
+ push(@opts, (reader => $reader)) unless $meta->has_method($reader);
+ my $attr = $meta->find_attribute_by_name($attr_name) || $meta->add_attribute($attr_name, @opts,
+ traits => ['MooseX::Emulate::Class::Accessor::Fast::Meta::Role::Attribute']
+ );
}
}
}
=cut
-sub mk_ro_accessors{
+sub mk_ro_accessors {
my $self = shift;
- my $meta = $self->meta;
+ my $meta = $locate_metaclass->($self);
+ my $class = $meta->name;
+ confess("You are trying to modify ${class}, which has been made immutable, this is ".
+ "not supported. Try subclassing ${class}, rather than monkeypatching it")
+ if $meta->is_immutable;
for my $attr_name (@_){
+ $meta->remove_attribute($attr_name)
+ if $meta->find_attribute_by_name($attr_name);
my $reader = $self->accessor_name_for($attr_name);
- my @opts = ($self->can($reader) ? () : (reader => $reader) );
- my $attr = $meta->add_attribute($attr_name, @opts);
+ my @opts = ($meta->has_method($reader) ? (is => 'bare') : (reader => $reader) );
+ my $attr = $meta->add_attribute($attr_name, @opts,
+ traits => ['MooseX::Emulate::Class::Accessor::Fast::Meta::Role::Attribute']
+ ) if scalar(@opts);
if($reader eq $attr_name && $reader eq $self->mutator_name_for($attr_name)){
$meta->add_method("_${attr_name}_accessor" => $attr->get_read_method_ref)
- unless $self->can("_${attr_name}_accessor");
+ unless $meta->has_method("_${attr_name}_accessor");
}
}
}
=cut
#this is retarded.. but we need it for compatibility or whatever.
-sub mk_wo_accessors{
+sub mk_wo_accessors {
my $self = shift;
- my $meta = $self->meta;
+ my $meta = $locate_metaclass->($self);
+ my $class = $meta->name;
+ confess("You are trying to modify ${class}, which has been made immutable, this is ".
+ "not supported. Try subclassing ${class}, rather than monkeypatching it")
+ if $meta->is_immutable;
for my $attr_name (@_){
+ $meta->remove_attribute($attr_name)
+ if $meta->find_attribute_by_name($attr_name);
my $writer = $self->mutator_name_for($attr_name);
- my @opts = ($self->can($writer) ? () : (writer => $writer) );
- my $attr = $meta->add_attribute($attr_name, @opts);
+ my @opts = ($meta->has_method($writer) ? () : (writer => $writer) );
+ my $attr = $meta->add_attribute($attr_name, @opts,
+ traits => ['MooseX::Emulate::Class::Accessor::Fast::Meta::Role::Attribute']
+ ) if scalar(@opts);
if($writer eq $attr_name && $writer eq $self->accessor_name_for($attr_name)){
$meta->add_method("_${attr_name}_accessor" => $attr->get_write_method_ref)
- unless $self->can("_${attr_name}_accessor");
+ unless $meta->has_method("_${attr_name}_accessor");
}
}
}
=cut
-sub follow_best_practice{
+sub follow_best_practice {
my $self = shift;
- my $meta = $self->meta;
+ my $meta = $locate_metaclass->($self);
$meta->remove_method('mutator_name_for');
$meta->remove_method('accessor_name_for');
=cut
-sub mutator_name_for{ return $_[1] }
-sub accessor_name_for{ return $_[1] }
+sub mutator_name_for { return $_[1] }
+sub accessor_name_for { return $_[1] }
=head2 set
=cut
-sub set{
+sub set {
my $self = shift;
my $k = shift;
confess "Wrong number of arguments received" unless scalar @_;
+ my $meta = $locate_metaclass->($self);
- #my $writer = $self->mutator_name_for( $k );
confess "No such attribute '$k'"
- unless ( my $attr = $self->meta->find_attribute_by_name($k) );
- my $writer = $attr->writer || $attr->accessor;
+ unless ( my $attr = $meta->find_attribute_by_name($k) );
+ my $writer = $attr->get_write_method;
$self->$writer(@_ > 1 ? [@_] : @_);
}
=cut
-sub get{
+sub get {
my $self = shift;
confess "Wrong number of arguments received" unless scalar @_;
-
+ my $meta = $locate_metaclass->($self);
my @values;
- #while( my $attr = $self->meta->find_attribute_by_name( shift(@_) ){
+
for( @_ ){
confess "No such attribute '$_'"
- unless ( my $attr = $self->meta->find_attribute_by_name($_) );
- my $reader = $attr->reader || $attr->accessor;
+ unless ( my $attr = $meta->find_attribute_by_name($_) );
+ my $reader = $attr->get_read_method;
@_ > 1 ? push(@values, $self->$reader) : return $self->$reader;
}
sub make_accessor {
my($class, $field) = @_;
- my $meta = $class->meta;
- my $attr = $meta->find_attribute_by_name($field) || $meta->add_attribute($field);
+ my $meta = $locate_metaclass->($class);
+ my $attr = $meta->find_attribute_by_name($field) || $meta->add_attribute($field,
+ traits => ['MooseX::Emulate::Class::Accessor::Fast::Meta::Role::Attribute'],
+ is => 'bare',
+ );
my $reader = $attr->get_read_method_ref;
my $writer = $attr->get_write_method_ref;
return sub {
my $self = shift;
- return $self->$reader unless @_;
- return $self->$writer((@_ > 1 ? [@_] : @_));
+ return $reader->($self) unless @_;
+ return $writer->($self,(@_ > 1 ? [@_] : @_));
}
}
sub make_ro_accessor {
my($class, $field) = @_;
- my $meta = $class->meta;
- my $attr = $meta->find_attribute_by_name($field) || $meta->add_attribute($field);
+ my $meta = $locate_metaclass->($class);
+ my $attr = $meta->find_attribute_by_name($field) || $meta->add_attribute($field,
+ traits => ['MooseX::Emulate::Class::Accessor::Fast::Meta::Role::Attribute'],
+ is => 'bare',
+ );
return $attr->get_read_method_ref;
}
sub make_wo_accessor {
my($class, $field) = @_;
- my $meta = $class->meta;
- my $attr = $meta->find_attribute_by_name($field) || $meta->add_attribute($field);
+ my $meta = $locate_metaclass->($class);
+ my $attr = $meta->find_attribute_by_name($field) || $meta->add_attribute($field,
+ traits => ['MooseX::Emulate::Class::Accessor::Fast::Meta::Role::Attribute'],
+ is => 'bare',
+ );
return $attr->get_write_method_ref;
}
-
1;
=head2 meta
=over 4
-=item Tomas Doran E<lt>bobtfish@bobtfish.netE<gt>
+=item Tomas Doran (t0m) E<lt>bobtfish@bobtfish.netE<gt>
+
+=item Florian Ragwitz (rafl) E<lt>rafl@debian.orgE<gt>
=back
projects / gitmo/MooseX-Emulate-Class-Accessor-Fast.git / blobdiff