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|
{
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 = "0.013000";
# 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;
}
|
