Refactor attribute constructor

[gitmo/Mouse.git] / lib / Mouse.pm

diff --git a/lib/Mouse.pm b/lib/Mouse.pm
index e03e12a..6c09a77 100644 (file)
--- a/lib/Mouse.pm
+++ b/lib/Mouse.pm
@@ -4,32 +4,45 @@ use warnings;
 use 5.006;
 use base 'Exporter';
 
-our $VERSION = '0.30';
+our $VERSION = '0.33_01';
 
 use Carp 'confess';
 use Scalar::Util 'blessed';
-use Mouse::Util;
 
-use Mouse::Meta::Attribute;
+use Mouse::Util qw(load_class is_class_loaded not_supported);
+
+use Mouse::Meta::Module;
 use Mouse::Meta::Class;
+use Mouse::Meta::Role;
+use Mouse::Meta::Attribute;
 use Mouse::Object;
-use Mouse::Util::TypeConstraints;
+use Mouse::Util::TypeConstraints ();
 
-our @EXPORT = qw(extends has before after around override super blessed confess with);
+our @EXPORT = qw(
+    extends with
+    has
+    before after around
+    override super
+    augment  inner
+
+    blessed confess
+);
 
 our %is_removable = map{ $_ => undef } @EXPORT;
 delete $is_removable{blessed};
 delete $is_removable{confess};
 
-sub extends { Mouse::Meta::Class->initialize(caller)->superclasses(@_) }
+sub extends { Mouse::Meta::Class->initialize(scalar caller)->superclasses(@_) }
 
 sub has {
-    my $meta = Mouse::Meta::Class->initialize(caller);
-    $meta->add_attribute(@_);
+    my $meta = Mouse::Meta::Class->initialize(scalar caller);
+    my $name = shift;
+
+    $meta->add_attribute($_ => @_) for ref($name) ? @{$name} : $name;
 }
 
 sub before {
-    my $meta = Mouse::Meta::Class->initialize(caller);
+    my $meta = Mouse::Meta::Class->initialize(scalar caller);
 
     my $code = pop;
 
@@ -39,7 +52,7 @@ sub before {
 }
 
 sub after {
-    my $meta = Mouse::Meta::Class->initialize(caller);
+    my $meta = Mouse::Meta::Class->initialize(scalar caller);
 
     my $code = pop;
 
@@ -49,7 +62,7 @@ sub after {
 }
 
 sub around {
-    my $meta = Mouse::Meta::Class->initialize(caller);
+    my $meta = Mouse::Meta::Class->initialize(scalar caller);
 
     my $code = pop;
 
@@ -59,7 +72,7 @@ sub around {
 }
 
 sub with {
-    Mouse::Util::apply_all_roles((caller)[0], @_);
+    Mouse::Util::apply_all_roles(scalar(caller), @_);
 }
 
 our $SUPER_PACKAGE;
@@ -92,41 +105,33 @@ sub override {
     });
 }
 
-sub init_meta {
-    # This used to be called as a function. This hack preserves
-    # backwards compatibility.
-    if ( $_[0] ne __PACKAGE__ ) {
-        return __PACKAGE__->init_meta(
-            for_class  => $_[0],
-            base_class => $_[1],
-            metaclass  => $_[2],
-        );
-    }
+sub inner  { not_supported }
+sub augment{ not_supported }
 
+sub init_meta {
     shift;
     my %args = @_;
 
     my $class = $args{for_class}
-      or Carp::croak(
-        "Cannot call init_meta without specifying a for_class");
+                    or confess("Cannot call init_meta without specifying a for_class");
     my $base_class = $args{base_class} || 'Mouse::Object';
     my $metaclass  = $args{metaclass}  || 'Mouse::Meta::Class';
 
-    Carp::croak("The Metaclass $metaclass must be a subclass of Mouse::Meta::Class.")
+    confess("The Metaclass $metaclass must be a subclass of Mouse::Meta::Class.")
             unless $metaclass->isa('Mouse::Meta::Class');
-    
+
     # make a subtype for each Mouse class
-    class_type($class)
-        unless find_type_constraint($class);
+    Mouse::Util::TypeConstraints::class_type($class)
+        unless Mouse::Util::TypeConstraints::find_type_constraint($class);
 
     my $meta = $metaclass->initialize($class);
-    $meta->superclasses($base_class)
-        unless $meta->superclasses;
 
     $meta->add_method(meta => sub{
-        return Mouse::Meta::Class->initialize(ref($_[0]) || $_[0]);
+        return $metaclass->initialize(ref($_[0]) || $_[0]);
     });
 
+    $meta->superclasses($base_class)
+        unless $meta->superclasses;
 
     return $meta;
 }
@@ -154,7 +159,7 @@ sub import {
         return;
     }
 
-    Mouse->init_meta(
+    $class->init_meta(
         for_class  => $caller,
     );
 
@@ -188,61 +193,6 @@ sub unimport {
     }
 }
 
-sub load_class {
-    my $class = shift;
-
-    if (!Mouse::Util::is_valid_class_name($class)) {
-        my $display = defined($class) ? $class : 'undef';
-        confess "Invalid class name ($display)";
-    }
-
-    return 1 if is_class_loaded($class);
-
-    (my $file = "$class.pm") =~ s{::}{/}g;
-
-    eval { CORE::require($file) };
-    confess "Could not load class ($class) because : $@" if $@;
-
-    return 1;
-}
-
-my %is_class_loaded_cache;
-sub is_class_loaded {
-    my $class = shift;
-
-    return 0 if ref($class) || !defined($class) || !length($class);
-
-    return 1 if exists $is_class_loaded_cache{$class};
-
-    # walk the symbol table tree to avoid autovififying
-    # \*{${main::}{"Foo::"}} == \*main::Foo::
-
-    my $pack = \*::;
-    foreach my $part (split('::', $class)) {
-        return 0 unless exists ${$$pack}{"${part}::"};
-        $pack = \*{${$$pack}{"${part}::"}};
-    }
-
-    # check for $VERSION or @ISA
-    return ++$is_class_loaded_cache{$class} if exists ${$$pack}{VERSION}
-             && defined *{${$$pack}{VERSION}}{SCALAR};
-    return ++$is_class_loaded_cache{$class} if exists ${$$pack}{ISA}
-             && defined *{${$$pack}{ISA}}{ARRAY};
-
-    # check for any method
-    foreach ( keys %{$$pack} ) {
-        next if substr($_, -2, 2) eq '::';
-        return ++$is_class_loaded_cache{$class} if defined *{${$$pack}{$_}}{CODE};
-    }
-
-    # fail
-    return 0;
-}
-
-sub class_of {
-    return Mouse::Meta::Class::class_of($_[0]);
-}
-
 1;
 
 __END__
@@ -509,6 +459,8 @@ Yappo
 
 wu-lee
 
+Goro Fuji (gfx) C<< <gfuji at cpan.org> >>
+
 with plenty of code borrowed from L<Class::MOP> and L<Moose>
 
 =head1 BUGS