File Coverage

blib/lib/Class/Accessor/Faster.pm

Criterion	Covered	Total	%
statement	40	40	100.0
branch	14	14	100.0
condition	1	3	33.3
subroutine	10	10	100.0
pod	4	4	100.0
total	69	71	97.1

package Class::Accessor::Faster;
use base 'Class::Accessor';
use strict;
$Class::Accessor::Faster::VERSION = $Class::Accessor::VERSION;

my %slot;
sub _slot {
    my($class, $field) = @_;
    my $n = $slot{$class}->{$field};
    return $n if defined $n;
    $n = keys %{$slot{$class}};
    $slot{$class}->{$field} = $n;
    return $n;
}

sub new {
    my($proto, $fields) = @_;
    my($class) = ref $proto || $proto;
    my $self = bless [], $class;

    $fields = {} unless defined $fields;
    for my $k (keys %$fields) {
        my $n = $class->_slot($k);
        $self->[$n] = $fields->{$k};
    }
    return $self;
}

sub make_accessor {
    my($class, $field) = @_;
    my $n = $class->_slot($field);
    return sub {
        return $_[0]->[$n] if scalar(@_) == 1;
        return $_[0]->[$n]  = scalar(@_) == 2 ? $_[1] : [@_[1..$#_]];
    };
}

sub make_ro_accessor {
    my($class, $field) = @_;
    my $n = $class->_slot($field);
    return sub {
        return $_[0]->[$n] if @_ == 1;
        my $caller = caller;
        $_[0]->_croak("'$caller' cannot alter the value of '$field' on objects of class '$class'");
    };
}

sub make_wo_accessor {
    my($class, $field) = @_;
    my $n = $class->_slot($field);
    return sub {
        if (@_ == 1) {
            my $caller = caller;
            $_[0]->_croak("'$caller' cannot access the value of '$field' on objects of class '$class'");
        } else {
            return $_[0]->[$n] = $_[1] if @_ == 2;
            return (shift)->[$n] = \@_;
        }
    };
}

1;

__END__