X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMoose%2FUtil%2FTypeConstraints%2FOptimizedConstraints.pm;h=44d90096cae40926ad8999836a7ce5aa84ce6a16;hb=d344c3feeb1c99183a249e26ddfb0e790101f7b2;hp=3ad1f888d3e2cda78b3cff56002dbe1d8b1a941d;hpb=004222dc591495492d18979bee465a5a4fcbd8d5;p=gitmo%2FMoose.git

diff --git a/lib/Moose/Util/TypeConstraints/OptimizedConstraints.pm b/lib/Moose/Util/TypeConstraints/OptimizedConstraints.pm
index 3ad1f88..44d9009 100644
--- a/lib/Moose/Util/TypeConstraints/OptimizedConstraints.pm
+++ b/lib/Moose/Util/TypeConstraints/OptimizedConstraints.pm
@@ -5,7 +5,8 @@ use warnings;
 
 use Scalar::Util 'blessed', 'looks_like_number';
 
-our $VERSION   = '0.02';
+our $VERSION   = '0.68';
+$VERSION = eval $VERSION;
 our $AUTHORITY = 'cpan:STEVAN';
 
 sub Value { defined($_[0]) && !ref($_[0]) }
@@ -18,15 +19,12 @@ sub Num { !ref($_[0]) && looks_like_number($_[0]) }
 
 sub Int { defined($_[0]) && !ref($_[0]) && $_[0] =~ /^-?[0-9]+$/ }
 
-{
-    no warnings 'uninitialized';
-    sub ScalarRef { ref($_[0]) eq 'SCALAR' }
-    sub ArrayRef  { ref($_[0]) eq 'ARRAY'  }
-    sub HashRef   { ref($_[0]) eq 'HASH'   }
-    sub CodeRef   { ref($_[0]) eq 'CODE'   }
-    sub RegexpRef { ref($_[0]) eq 'Regexp' }
-    sub GlobRef   { ref($_[0]) eq 'GLOB'   }
-}
+sub ScalarRef { ref($_[0]) eq 'SCALAR' }
+sub ArrayRef  { ref($_[0]) eq 'ARRAY'  }
+sub HashRef   { ref($_[0]) eq 'HASH'   }
+sub CodeRef   { ref($_[0]) eq 'CODE'   }
+sub RegexpRef { ref($_[0]) eq 'Regexp' }
+sub GlobRef   { ref($_[0]) eq 'GLOB'   }
 
 sub FileHandle { ref($_[0]) eq 'GLOB' && Scalar::Util::openhandle($_[0]) or blessed($_[0]) && $_[0]->isa("IO::Handle") }
 
@@ -34,6 +32,34 @@ sub Object { blessed($_[0]) && blessed($_[0]) ne 'Regexp' }
 
 sub Role { blessed($_[0]) && $_[0]->can('does') }
 
+sub ClassName {
+    return 0 if ref($_[0]) || !defined($_[0]) || !length($_[0]);
+
+    # walk the symbol table tree to avoid autovififying
+    # \*{${main::}{"Foo::"}} == \*main::Foo::
+
+    my $pack = \*::;
+    foreach my $part (split('::', $_[0])) {
+        return 0 unless exists ${$$pack}{"${part}::"};
+        $pack = \*{${$$pack}{"${part}::"}};
+    }
+
+    # check for $VERSION or @ISA
+    return 1 if exists ${$$pack}{VERSION}
+             && defined *{${$$pack}{VERSION}}{SCALAR};
+    return 1 if exists ${$$pack}{ISA}
+             && defined *{${$$pack}{ISA}}{ARRAY};
+
+    # check for any method
+    foreach ( keys %{$$pack} ) {
+        next if substr($_, -2, 2) eq '::';
+        return 1 if defined *{${$$pack}{$_}}{CODE};
+    }
+
+    # fail
+    return 0;
+}
+
 # NOTE:
 # we have XS versions too, ...
 # 04:09 <@konobi> nothingmuch: konobi.co.uk/code/utilsxs.tar.gz
@@ -59,33 +85,35 @@ no user serviceable parts inside.
 
 =over 4
 
-=item Value
+=item C<Value>
+
+=item C<Ref>
 
-=item Ref
+=item C<Str>
 
-=item Str
+=item C<Num>
 
-=item Num
+=item C<Int>
 
-=item Int
+=item C<ScalarRef>
 
-=item ScalarRef
+=item C<ArrayRef>
 
-=item ArrayRef
+=item C<HashRef>
 
-=item HashRef
+=item C<CodeRef>
 
-=item CodeRef
+=item C<RegexpRef>
 
-=item RegexpRef
+=item C<GlobRef>
 
-=item GlobRef
+=item C<FileHandle>
 
-=item FileHandle
+=item C<Object>
 
-=item Object
+=item C<Role>
 
-=item Role
+=item C<ClassName>
 
 =back
 
@@ -101,7 +129,7 @@ Yuval Kogman E<lt>nothingmuch@cpan.orgE<gt>
 
 =head1 COPYRIGHT AND LICENSE
 
-Copyright 2007-2008 by Infinity Interactive, Inc.
+Copyright 2007-2009 by Infinity Interactive, Inc.
 
 L<http://www.iinteractive.com>