From: gfx <gfuji@cpan.org>
Date: Wed, 16 Dec 2009 08:22:48 +0000 (+0900)
Subject: Add set_value/get_value/has_value/clear_value to Attribute
X-Git-Tag: 0.45~23
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=751de1a1e6e1123bbc0c960de9f8ac2fe61ba3d8;p=gitmo%2FMouse.git

Add set_value/get_value/has_value/clear_value to Attribute
---

diff --git a/lib/Mouse/Meta/Attribute.pm b/lib/Mouse/Meta/Attribute.pm
index d741cff..1abd5b2 100644
--- a/lib/Mouse/Meta/Attribute.pm
+++ b/lib/Mouse/Meta/Attribute.pm
@@ -303,46 +303,66 @@ sub get_parent_args { # DEPRECATED
 
 
 sub get_read_method {
-    $_[0]->reader || $_[0]->accessor
+    return $_[0]->reader || $_[0]->accessor
 }
 sub get_write_method {
-    $_[0]->writer || $_[0]->accessor
+    return $_[0]->writer || $_[0]->accessor
+}
+
+sub _get_accessor_method_ref {
+    my($self, $type, $generator) = @_;
+
+    my $metaclass = $self->associated_class
+        || $self->throw_error('No asocciated class for ' . $self->name);
+
+    my $accessor = $self->$type();
+    if($accessor){
+        return $metaclass->get_method_body($accessor);
+    }
+    else{
+        return $self->accessor_metaclass->$generator($self, $metaclass);
+    }
 }
 
 sub get_read_method_ref{
     my($self) = @_;
 
-    $self->{_read_method_ref} ||= do{
-        my $metaclass = $self->associated_class
-            or $self->throw_error('No asocciated class for ' . $self->name);
-
-        my $reader = $self->{reader} || $self->{accessor};
-        if($reader){
-            $metaclass->name->can($reader);
-        }
-        else{
-            $self->accessor_metaclass->_generate_reader($self, $metaclass);
-        }
-    };
+    return $self->{_read_method_ref} ||= $self->_get_accessor_method_ref('get_read_method', '_generate_reader');
 }
 
 sub get_write_method_ref{
     my($self) = @_;
 
-    $self->{_write_method_ref} ||= do{
-        my $metaclass = $self->associated_class
-            or $self->throw_error('No asocciated class for ' . $self->name);
+    return $self->{_write_method_ref} ||= $self->_get_accessor_method_ref('get_write_method', '_generate_writer');
+}
 
-        my $reader = $self->{writer} || $self->{accessor};
-        if($reader){
-            $metaclass->name->can($reader);
-        }
-        else{
-            $self->accessor_metaclass->_generate_writer($self, $metaclass);
-        }
-    };
+sub set_value {
+    my($self, $object, $value) = @_;
+    return $self->get_write_method_ref()->($object, $value);
+}
+
+sub get_value {
+    my($self, $object) = @_;
+    return $self->get_read_method_ref()->($object);
 }
 
+sub has_value {
+    my($self, $object) = @_;
+    my $predicate_ref = $self->{_predicate_ref}
+        ||= $self->_get_accessor_method_ref('predicate', '_generate_predicate');
+
+    return $predicate_ref->($object);
+}
+
+sub clear_value {
+    my($self, $object) = @_;
+    my $predicate_ref = $self->{_crealer_ref}
+        ||= $self->_get_accessor_method_ref('clearer', '_generate_clearer');
+
+    return $predicate_ref->($object);
+}
+
+
 sub _canonicalize_handles {
     my($self, $handles) = @_;