package Mouse::Util;
use strict;
use warnings;
-use Exporter 'import';
+use base qw/Exporter/;
use Carp;
our @EXPORT_OK = qw(
# We only have to do this nastiness if we haven't loaded XS version of
# Mouse.pm, so check if we're running under PurePerl or not
BEGIN {
- if ($Mouse::PurePerl) {
- _install_pp_func();
- } else {
- # If we're running under XS, we can provide
- # blessed
- # looks_like_number
- # reftype
- # weaken
- # other functions need to be loaded from our respective sources
-
- if (defined &Scalar::Util::openhandle) {
- *openhandle = \&Scalar::Util::openhandle;
- } else {
- # XXX - room for improvement
- *openhandle = sub {
- local($@, $SIG{__DIE__}, $SIG{__WARN__});
- my $r = shift;
- my $t;
-
- length($t = ref($r)) or return undef;
-
- # This eval will fail if the reference is not blessed
- eval { $r->a_sub_not_likely_to_be_here; 1 }
- ? do {
- $t = eval {
- # we have a GLOB or an IO. Stringify a GLOB gives it's name
- my $q = *$r;
- $q =~ /^\*/ ? "GLOB" : "IO";
- }
- or do {
- # OK, if we don't have a GLOB what parts of
- # a glob will it populate.
- # NOTE: A glob always has a SCALAR
- local *glob = $r;
- defined *glob{ARRAY} && "ARRAY"
- or defined *glob{HASH} && "HASH"
- or defined *glob{CODE} && "CODE"
- or length(ref(${$r})) ? "REF" : "SCALAR";
- }
- }
- : $t
- };
- }
-
- if (defined &mro::get_linear_isa) {
- *get_linear_isa = \&mro::get_linear_isa;
- } else {
- # this recurses so it isn't pretty
- my $code;
- *get_linear_isa = $code = sub {
- no strict 'refs';
-
- my $classname = shift;
-
- my @lin = ($classname);
- my %stored;
- foreach my $parent (@{"$classname\::ISA"}) {
- my $plin = $code->($parent);
- foreach (@$plin) {
- next if exists $stored{$_};
- push(@lin, $_);
- $stored{$_} = 1;
- }
- }
- return \@lin;
- };
- }
- }
-}
-
-sub _install_pp_func {
- my %dependencies = (
+ our %dependencies = (
'Scalar::Util' => {
+
# VVVVV CODE TAKEN FROM SCALAR::UTIL VVVVV
'blessed' => do {
*UNIVERSAL::a_sub_not_likely_to_be_here = sub {
},
);
- my %loaded;
- for my $module_name (keys %dependencies) {
+ our %loaded;
+
+ our @EXPORT_OK = map { keys %$_ } values %dependencies;
+ our %EXPORT_TAGS = (
+ all => \@EXPORT_OK,
+ test => [qw/throws_ok lives_ok dies_ok/],
+ );
+
+ for my $module (keys %dependencies) {
+ my ($module_name, $version) = split ' ', $module;
+
my $loaded = do {
local $SIG{__DIE__} = 'DEFAULT';
- eval "require $module_name; 1";
+ eval "use $module (); 1";
};
$loaded{$module_name} = $loaded;
- for my $method_name (keys %{ $dependencies{ $module_name } }) {
- my $producer = $dependencies{$module_name}{$method_name};
+ for my $method_name (keys %{ $dependencies{ $module } }) {
+ my $producer = $dependencies{$module}{$method_name};
my $implementation;
if (ref($producer) eq 'HASH') {
sub apply_all_roles {
my $meta = Mouse::Meta::Class->initialize(shift);
- my $role = shift;
- confess "Mouse::Util only supports 'apply_all_roles' on individual roles at a time" if @_;
- Mouse::load_class($role);
- $role->meta->apply($meta);
+ my @roles;
+ my $max = scalar(@_);
+ for (my $i = 0; $i < $max ; $i++) {
+ if ($i + 1 < $max && ref($_[$i + 1])) {
+ push @roles, [ $_[$i++] => $_[$i] ];
+ } else {
+ push @roles, [ $_[$i] => {} ];
+ }
+ }
+
+ foreach my $role_spec (@roles) {
+ Mouse::load_class( $role_spec->[0] );
+ }
+
+ ( $_->[0]->can('meta') && $_->[0]->meta->isa('Mouse::Meta::Role') )
+ || croak("You can only consume roles, "
+ . $_->[0]
+ . " is not a Moose role")
+ foreach @roles;
+
+ if ( scalar @roles == 1 ) {
+ my ( $role, $params ) = @{ $roles[0] };
+ $role->meta->apply( $meta, ( defined $params ? %$params : () ) );
+ }
+ else {
+ Mouse::Meta::Role->combine_apply($meta, @roles);
+ }
+
}
1;