X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMouse%2FObject.pm;h=bac4fa03fae405122f2f61d7ae715c4462e5a5d2;hb=c9aefe2628c559c55abe2ddc8de6c92a5d9dbbaf;hp=5b7d17ea07906a79d3a90f279c12d67d12688051;hpb=491e5923fc4a4ca01cf73410ccb913f9d4b5f6e0;p=gitmo%2FMouse.git

diff --git a/lib/Mouse/Object.pm b/lib/Mouse/Object.pm
index 5b7d17e..bac4fa0 100644
--- a/lib/Mouse/Object.pm
+++ b/lib/Mouse/Object.pm
@@ -1,44 +1,33 @@
-#!/usr/bin/env perl
 package Mouse::Object;
 use strict;
 use warnings;
-use MRO::Compat;
 
-use Scalar::Util qw/blessed weaken/;
+use Scalar::Util 'weaken';
 use Carp 'confess';
 
 sub new {
     my $class = shift;
-    my %args;
-    if (scalar @_ == 1) {
-        if (defined $_[0]) {
-            (ref($_[0]) eq 'HASH')
-                || confess "Single parameters to new() must be a HASH ref";
-            %args = %{$_[0]};
-        }
-    }
-    else {
-        %args = @_;
-    }
+
+    my $args = $class->BUILDARGS(@_);
 
     my $instance = bless {}, $class;
 
     for my $attribute ($class->meta->compute_all_applicable_attributes) {
         my $from = $attribute->init_arg;
         my $key  = $attribute->name;
-        my $default;
 
-        if (defined($from) && exists($args{$from})) {
-            $attribute->verify_type_constraint($args{$from})
-                if $attribute->has_type_constraint;
+        if (defined($from) && exists($args->{$from})) {
+            $args->{$from} = $attribute->coerce_constraint($args->{$from})
+                if $attribute->should_coerce;
+            $attribute->verify_against_type_constraint($args->{$from});
 
-            $instance->{$key} = $args{$from};
+            $instance->{$key} = $args->{$from};
 
             weaken($instance->{$key})
                 if ref($instance->{$key}) && $attribute->is_weak_ref;
 
             if ($attribute->has_trigger) {
-                $attribute->trigger->($instance, $args{$from}, $attribute);
+                $attribute->trigger->($instance, $args->{$from});
             }
         }
         else {
@@ -49,11 +38,12 @@ sub new {
                     my $value = $attribute->has_builder
                               ? $instance->$builder
                               : ref($default) eq 'CODE'
-                                  ? $default->()
+                                  ? $default->($instance)
                                   : $default;
 
-                    $attribute->verify_type_constraint($value)
-                        if $attribute->has_type_constraint;
+                    $value = $attribute->coerce_constraint($value)
+                        if $attribute->should_coerce;
+                    $attribute->verify_against_type_constraint($value);
 
                     $instance->{$key} = $value;
 
@@ -69,11 +59,24 @@ sub new {
         }
     }
 
-    $instance->BUILDALL(\%args);
+    $instance->BUILDALL($args);
 
     return $instance;
 }
 
+sub BUILDARGS {
+    my $class = shift;
+
+    if (scalar @_ == 1) {
+        (ref($_[0]) eq 'HASH')
+            || confess "Single parameters to new() must be a HASH ref";
+        return {%{$_[0]}};
+    }
+    else {
+        return {@_};
+    }
+}
+
 sub DESTROY { shift->DEMOLISHALL }
 
 sub BUILDALL {
@@ -82,9 +85,9 @@ sub BUILDALL {
     # short circuit
     return unless $self->can('BUILD');
 
-    no strict 'refs';
-
     for my $class (reverse $self->meta->linearized_isa) {
+        no strict 'refs';
+        no warnings 'once';
         my $code = *{ $class . '::BUILD' }{CODE}
             or next;
         $code->($self, @_);
@@ -106,6 +109,27 @@ sub DEMOLISHALL {
     }
 }
 
+sub dump { 
+    my $self = shift;
+    require Data::Dumper;
+    local $Data::Dumper::Maxdepth = shift if @_;
+    Data::Dumper::Dumper $self;
+}
+
+
+sub does {
+    my ($self, $role_name) = @_;
+    (defined $role_name)
+        || confess "You must supply a role name to does()";
+    my $meta = $self->meta;
+    foreach my $class ($meta->linearized_isa) {
+        my $m = $meta->initialize($class);
+        return 1 
+            if $m->can('does_role') && $m->does_role($role_name);            
+    }
+    return 0;   
+};
+
 1;
 
 __END__
@@ -130,6 +154,11 @@ end of L</new>.
 You may put any business logic initialization in BUILD methods. You don't
 need to redispatch or return any specific value.
 
+=head2 BUILDARGS
+
+Lets you override the arguments that C<new> takes. Return a hashref of
+parameters.
+
 =head2 DEMOLISHALL
 
 Calls L</DEMOLISH> on each class in the class hierarchy. This is called at
@@ -140,5 +169,26 @@ L</DESTROY> time.
 You may put any business logic deinitialization in DEMOLISH methods. You don't
 need to redispatch or return any specific value.
 
+
+=head2 does $role_name
+
+This will check if the invocant's class "does" a given C<$role_name>.
+This is similar to "isa" for object, but it checks the roles instead.
+
+
+=head2 B<dump ($maxdepth)>
+
+From the Moose POD:
+
+    C'mon, how many times have you written the following code while debugging:
+
+     use Data::Dumper; 
+     warn Dumper $obj;
+
+    It can get seriously annoying, so why not just use this.
+
+The implementation was lifted directly from Moose::Object.
+
 =cut
 
+