package MooseX::AttributeHelpers::MethodProvider::Array;
use Moose::Role;
+our $VERSION = '0.22';
+$VERSION = eval $VERSION;
+our $AUTHORITY = 'cpan:STEVAN';
+
+with 'MooseX::AttributeHelpers::MethodProvider::List';
+
sub push : method {
- my ($attr) = @_;
- if ($attr->has_container_type) {
- my $container_type_constraint = $attr->container_type_constraint;
+ my ($attr, $reader, $writer) = @_;
+
+ if ($attr->has_type_constraint && $attr->type_constraint->isa('Moose::Meta::TypeConstraint::Parameterized')) {
+ my $container_type_constraint = $attr->type_constraint->type_parameter;
return sub {
my $instance = CORE::shift;
$container_type_constraint->check($_)
- || confess "Value " . ($_||'undef') . " did not pass container type constraint"
+ || confess "Value " . ($_||'undef') . " did not pass container type constraint '$container_type_constraint'"
foreach @_;
- CORE::push @{$attr->get_value($instance)} => @_;
+ CORE::push @{$reader->($instance)} => @_;
};
}
else {
return sub {
my $instance = CORE::shift;
- CORE::push @{$attr->get_value($instance)} => @_;
+ CORE::push @{$reader->($instance)} => @_;
};
}
}
sub pop : method {
- my ($attr) = @_;
+ my ($attr, $reader, $writer) = @_;
return sub {
- CORE::pop @{$attr->get_value($_[0])}
+ CORE::pop @{$reader->($_[0])}
};
}
sub unshift : method {
- my ($attr) = @_;
- if ($attr->has_container_type) {
- my $container_type_constraint = $attr->container_type_constraint;
+ my ($attr, $reader, $writer) = @_;
+ if ($attr->has_type_constraint && $attr->type_constraint->isa('Moose::Meta::TypeConstraint::Parameterized')) {
+ my $container_type_constraint = $attr->type_constraint->type_parameter;
return sub {
my $instance = CORE::shift;
$container_type_constraint->check($_)
- || confess "Value " . ($_||'undef') . " did not pass container type constraint"
+ || confess "Value " . ($_||'undef') . " did not pass container type constraint '$container_type_constraint'"
foreach @_;
- CORE::unshift @{$attr->get_value($instance)} => @_;
+ CORE::unshift @{$reader->($instance)} => @_;
};
}
else {
return sub {
my $instance = CORE::shift;
- CORE::unshift @{$attr->get_value($instance)} => @_;
+ CORE::unshift @{$reader->($instance)} => @_;
};
}
}
sub shift : method {
- my ($attr) = @_;
+ my ($attr, $reader, $writer) = @_;
return sub {
- CORE::shift @{$attr->get_value($_[0])}
+ CORE::shift @{$reader->($_[0])}
};
}
sub get : method {
- my ($attr) = @_;
+ my ($attr, $reader, $writer) = @_;
return sub {
- $attr->get_value($_[0])->[$_[1]]
+ $reader->($_[0])->[$_[1]]
};
}
sub set : method {
- my ($attr) = @_;
- if ($attr->has_container_type) {
- my $container_type_constraint = $attr->container_type_constraint;
+ my ($attr, $reader, $writer) = @_;
+ if ($attr->has_type_constraint && $attr->type_constraint->isa('Moose::Meta::TypeConstraint::Parameterized')) {
+ my $container_type_constraint = $attr->type_constraint->type_parameter;
return sub {
($container_type_constraint->check($_[2]))
- || confess "Value " . ($_[2]||'undef') . " did not pass container type constraint";
- $attr->get_value($_[0])->[$_[1]] = $_[2]
+ || confess "Value " . ($_[2]||'undef') . " did not pass container type constraint '$container_type_constraint'";
+ $reader->($_[0])->[$_[1]] = $_[2]
};
}
else {
return sub {
- $attr->get_value($_[0])->[$_[1]] = $_[2]
+ $reader->($_[0])->[$_[1]] = $_[2]
};
}
}
-
-sub count : method {
- my ($attr) = @_;
- return sub {
- scalar @{$attr->get_value($_[0])}
- };
+
+sub accessor : method {
+ my ($attr, $reader, $writer) = @_;
+
+ if ($attr->has_type_constraint && $attr->type_constraint->isa('Moose::Meta::TypeConstraint::Parameterized')) {
+ my $container_type_constraint = $attr->type_constraint->type_parameter;
+ return sub {
+ my $self = shift;
+
+ if (@_ == 1) { # reader
+ return $reader->($self)->[$_[0]];
+ }
+ elsif (@_ == 2) { # writer
+ ($container_type_constraint->check($_[1]))
+ || confess "Value " . ($_[1]||'undef') . " did not pass container type constraint '$container_type_constraint'";
+ $reader->($self)->[$_[0]] = $_[1];
+ }
+ else {
+ confess "One or two arguments expected, not " . @_;
+ }
+ };
+ }
+ else {
+ return sub {
+ my $self = shift;
+
+ if (@_ == 1) { # reader
+ return $reader->($self)->[$_[0]];
+ }
+ elsif (@_ == 2) { # writer
+ $reader->($self)->[$_[0]] = $_[1];
+ }
+ else {
+ confess "One or two arguments expected, not " . @_;
+ }
+ };
+ }
}
-sub empty : method {
- my ($attr) = @_;
+sub clear : method {
+ my ($attr, $reader, $writer) = @_;
return sub {
- scalar @{$attr->get_value($_[0])} ? 1 : 0
- };
+ @{$reader->($_[0])} = ()
+ };
+}
+
+sub delete : method {
+ my ($attr, $reader, $writer) = @_;
+ return sub {
+ CORE::splice @{$reader->($_[0])}, $_[1], 1;
+ }
+}
+
+sub insert : method {
+ my ($attr, $reader, $writer) = @_;
+ if ($attr->has_type_constraint && $attr->type_constraint->isa('Moose::Meta::TypeConstraint::Parameterized')) {
+ my $container_type_constraint = $attr->type_constraint->type_parameter;
+ return sub {
+ ($container_type_constraint->check($_[2]))
+ || confess "Value " . ($_[2]||'undef') . " did not pass container type constraint '$container_type_constraint'";
+ CORE::splice @{$reader->($_[0])}, $_[1], 0, $_[2];
+ };
+ }
+ else {
+ return sub {
+ CORE::splice @{$reader->($_[0])}, $_[1], 0, $_[2];
+ };
+ }
+}
+
+sub splice : method {
+ my ($attr, $reader, $writer) = @_;
+ if ($attr->has_type_constraint && $attr->type_constraint->isa('Moose::Meta::TypeConstraint::Parameterized')) {
+ my $container_type_constraint = $attr->type_constraint->type_parameter;
+ return sub {
+ my ( $self, $i, $j, @elems ) = @_;
+ ($container_type_constraint->check($_))
+ || confess "Value " . (defined($_) ? $_ : 'undef') . " did not pass container type constraint '$container_type_constraint'" for @elems;
+ CORE::splice @{$reader->($self)}, $i, $j, @elems;
+ };
+ }
+ else {
+ return sub {
+ my ( $self, $i, $j, @elems ) = @_;
+ CORE::splice @{$reader->($self)}, $i, $j, @elems;
+ };
+ }
}
-sub find : method {
- my ($attr) = @_;
+sub sort_in_place : method {
+ my ($attr, $reader, $writer) = @_;
return sub {
my ($instance, $predicate) = @_;
- foreach my $val (@{$attr->get_value($instance)}) {
- return $val if $predicate->($val);
+
+ die "Argument must be a code reference"
+ if $predicate && ref $predicate ne 'CODE';
+
+ my @sorted;
+ if ($predicate) {
+ @sorted = CORE::sort { $predicate->($a, $b) } @{$reader->($instance)};
+ }
+ else {
+ @sorted = CORE::sort @{$reader->($instance)};
}
- return;
+
+ $writer->($instance, \@sorted);
};
}
=pod
+=head1 NAME
+
+MooseX::AttributeHelpers::MethodProvider::Array
+
+=head1 DESCRIPTION
+
+This is a role which provides the method generators for
+L<MooseX::AttributeHelpers::Collection::Array>.
+
+=head1 METHODS
+
+=over 4
+
+=item B<meta>
+
+=back
+
+=head1 PROVIDED METHODS
+
+This module also consumes the B<List> method providers, to
+see those provied methods, refer to that documentation.
+
+=over 4
+
+=item B<get>
+
+=item B<pop>
+
+=item B<push>
+
+=item B<set>
+
+=item B<shift>
+
+=item B<unshift>
+
+=item B<clear>
+
+=item B<delete>
+
+=item B<insert>
+
+=item B<splice>
+
+=item B<sort_in_place>
+
+Sorts the array I<in place>, modifying the value of the attribute.
+
+You can provide an optional subroutine reference to sort with (as you
+can with the core C<sort> function). However, instead of using C<$a>
+and C<$b>, you will need to use C<$_[0]> and C<$_[1]> instead.
+
+=item B<accessor>
+
+If passed one argument, returns the value of the requested element.
+If passed two arguments, sets the value of the requested element.
+
+=back
+
+=head1 BUGS
+
+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 AUTHOR
+
+Stevan Little E<lt>stevan@iinteractive.comE<gt>
+
+=head1 COPYRIGHT AND LICENSE
+
+Copyright 2007-2009 by Infinity Interactive, Inc.
+
+L<http://www.iinteractive.com>
+
+This library is free software; you can redistribute it and/or modify
+it under the same terms as Perl itself.
+
=cut
projects / gitmo/MooseX-AttributeHelpers.git / blobdiff