add release date and bump version

[gitmo/Moose.git] / lib / Moose / Util / TypeConstraints / OptimizedConstraints.pm

diff --git a/lib/Moose/Util/TypeConstraints/OptimizedConstraints.pm b/lib/Moose/Util/TypeConstraints/OptimizedConstraints.pm
index 6999a33..229e1b3 100644 (file)
--- a/lib/Moose/Util/TypeConstraints/OptimizedConstraints.pm
+++ b/lib/Moose/Util/TypeConstraints/OptimizedConstraints.pm
@@ -1,11 +1,13 @@
-#!/usr/bin/perl
-
 package Moose::Util::TypeConstraints::OptimizedConstraints;
 
 use strict;
 use warnings;
 
-use Scalar::Util qw(blessed looks_like_number);
+use Scalar::Util 'blessed', 'looks_like_number';
+
+our $VERSION   = '0.64';
+$VERSION = eval $VERSION;
+our $AUTHORITY = 'cpan:STEVAN';
 
 sub Value { defined($_[0]) && !ref($_[0]) }
 
@@ -18,20 +20,52 @@ sub Num { !ref($_[0]) && looks_like_number($_[0]) }
 sub Int { defined($_[0]) && !ref($_[0]) && $_[0] =~ /^-?[0-9]+$/ }
 
 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 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($_[0]) eq 'GLOB'   }
+sub GlobRef   { ref($_[0]) eq 'GLOB'   }
 
-sub FileHandle { ref($_[0]) eq 'GLOB' && Scalar::Util::openhandle($_[0]) }
+sub FileHandle { ref($_[0]) eq 'GLOB' && Scalar::Util::openhandle($_[0]) or blessed($_[0]) && $_[0]->isa("IO::Handle") }
 
 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};
 
-__PACKAGE__
+    # 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
+# 04:09 <@konobi> or utilxs.tar.gz iirc
+
+1;
 
 __END__
 
@@ -42,11 +76,10 @@ __END__
 Moose::Util::TypeConstraints::OptimizedConstraints - Optimized constraint
 bodies for various moose types
 
-=head1 SYNOPSIS
-
 =head1 DESCRIPTION
 
-This file contains optimized versions of Moose type constraints.
+This file contains the hand optimized versions of Moose type constraints, 
+no user serviceable parts inside.
 
 =head1 FUNCTIONS
 
@@ -80,4 +113,27 @@ This file contains optimized versions of Moose type constraints.
 
 =item Role
 
+=item ClassName
+
 =back
+
+=head1 BUGS
+
+All complex software has bugs lurking in it, and this module is no 
+exception. If you find a bug please either email me, or add the bug
+to cpan-RT.
+
+=head1 AUTHOR
+
+Yuval Kogman E<lt>nothingmuch@cpan.orgE<gt>
+
+=head1 COPYRIGHT AND LICENSE
+
+Copyright 2007-2008 by Infinity Interactive, Inc.
+
+L<http://www.iinteractive.com>
+
+This library is free software; you can redistribute it and/or modify
+it under the same terms as Perl itself.
+
+=cut