File Coverage

blib/lib/Sub/HandlesVia/Toolkit.pm.mite.pm

Criterion	Covered	Total	%
statement	28	78	35.9
branch	3	36	8.3
condition	3	27	11.1
subroutine	9	13	69.2
pod	0	4	0.0
total	43	158	27.2

{

    package Sub::HandlesVia::Toolkit;
    use strict;
    use warnings;
    no warnings qw( once void );

    our $USES_MITE    = "Mite::Class";
    our $MITE_SHIM    = "Sub::HandlesVia::Mite";
    our $MITE_VERSION = "0.012000";

    # Mite keywords
    BEGIN {
        my ( $SHIM, $CALLER ) =
          ( "Sub::HandlesVia::Mite", "Sub::HandlesVia::Toolkit" );
        ( *after, *around, *before, *extends, *has, *signature_for, *with ) =
          do {

            package Sub::HandlesVia::Mite;
            no warnings 'redefine';
            (
                sub { $SHIM->HANDLE_after( $CALLER, "class", @_ ) },
                sub { $SHIM->HANDLE_around( $CALLER, "class", @_ ) },
                sub { $SHIM->HANDLE_before( $CALLER, "class", @_ ) },
                sub { },
                sub { $SHIM->HANDLE_has( $CALLER, has => @_ ) },
                sub { $SHIM->HANDLE_signature_for( $CALLER, "class", @_ ) },
                sub { $SHIM->HANDLE_with( $CALLER, @_ ) },
            );
          };
    }

    # Gather metadata for constructor and destructor
    sub __META__ {
        no strict 'refs';
        my $class = shift;
        $class = ref($class) || $class;
        my $linear_isa = mro::get_linear_isa($class);
        return {
            BUILD => [
                map { ( *{$_}{CODE} ) ? ( *{$_}{CODE} ) : () }
                map { "$_\::BUILD" } reverse @$linear_isa
            ],
            DEMOLISH => [
                map   { ( *{$_}{CODE} ) ? ( *{$_}{CODE} ) : () }
                  map { "$_\::DEMOLISH" } @$linear_isa
            ],
            HAS_BUILDARGS        => $class->can('BUILDARGS'),
            HAS_FOREIGNBUILDARGS => $class->can('FOREIGNBUILDARGS'),
        };
    }

    # Standard Moose/Moo-style constructor
    sub new {
        my $class = ref( $_[0] ) ? ref(shift) : shift;
        my $meta  = ( $Mite::META{$class} ||= $class->__META__ );
        my $self  = bless {}, $class;
        my $args =
            $meta->{HAS_BUILDARGS}
          ? $class->BUILDARGS(@_)
          : { ( @_ == 1 ) ? %{ $_[0] } : @_ };
        my $no_build = delete $args->{__no_BUILD__};

        # Call BUILD methods
        $self->BUILDALL($args) if ( !$no_build and @{ $meta->{BUILD} || [] } );

        # Unrecognized parameters
        my @unknown = grep not(
            do {

                package Sub::HandlesVia::Mite;
                defined($_) and do {
                    ref( \$_ ) eq 'SCALAR'
                      or ref( \( my $val = $_ ) ) eq 'SCALAR';
                }
            }
          ),
          keys %{$args};
        @unknown
          and Sub::HandlesVia::Mite::croak(
            "Unexpected keys in constructor: " . join( q[, ], sort @unknown ) );

        return $self;
    }

    # Used by constructor to call BUILD methods
    sub BUILDALL {
        my $class = ref( $_[0] );
        my $meta  = ( $Mite::META{$class} ||= $class->__META__ );
        $_->(@_) for @{ $meta->{BUILD} || [] };
    }

    # Destructor should call DEMOLISH methods
    sub DESTROY {
        my $self  = shift;
        my $class = ref($self) || $self;
        my $meta  = ( $Mite::META{$class} ||= $class->__META__ );
        my $in_global_destruction =
          defined ${^GLOBAL_PHASE}
          ? ${^GLOBAL_PHASE} eq 'DESTRUCT'
          : Devel::GlobalDestruction::in_global_destruction();
        for my $demolisher ( @{ $meta->{DEMOLISH} || [] } ) {
            my $e = do {
                local ( $?, $@ );
                eval { $demolisher->( $self, $in_global_destruction ) };
                $@;
            };
            no warnings 'misc';    # avoid (in cleanup) warnings
            die $e if $e;          # rethrow
        }
        return;
    }

    # See UNIVERSAL
    sub DOES {
        my ( $self, $role ) = @_;
        our %DOES;
        return $DOES{$role} if exists $DOES{$role};
        return 1            if $role eq __PACKAGE__;
        if ( $INC{'Moose/Util.pm'}
            and my $meta = Moose::Util::find_meta( ref $self or $self ) )
        {
            $meta->can('does_role') and $meta->does_role($role) and return 1;
        }
        return $self->SUPER::DOES($role);
    }

    # Alias for Moose/Moo-compatibility
    sub does {
        shift->DOES(@_);
    }

    1;
}