X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMoose%2FUtil%2FTypeConstraints%2FOptimizedConstraints.pm;h=dd87ba4be8d4c383580d4342dcd9915cc7c8408d;hb=6549b0d1ae8b084898ac2d8ad60d6a57cccf4124;hp=0576a14aa5b505154e3f800a18e1b554f0fb0b59;hpb=42bc21a45d17c5ca41e63241ee70f4eacea5230c;p=gitmo%2FMoose.git

diff --git a/lib/Moose/Util/TypeConstraints/OptimizedConstraints.pm b/lib/Moose/Util/TypeConstraints/OptimizedConstraints.pm
index 0576a14..dd87ba4 100644
--- a/lib/Moose/Util/TypeConstraints/OptimizedConstraints.pm
+++ b/lib/Moose/Util/TypeConstraints/OptimizedConstraints.pm
@@ -1,18 +1,13 @@
-#!/usr/bin/perl
-
-=begin comment
-
-04:09 <@konobi> nothingmuch: konobi.co.uk/code/utilsxs.tar.gz
-04:09 <@konobi> or utilxs.tar.gz iirc
-
-=cut
-
 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 $VERSION   = '0.67';
+$VERSION = eval $VERSION;
+our $AUTHORITY = 'cpan:STEVAN';
 
 sub Value { defined($_[0]) && !ref($_[0]) }
 
@@ -24,24 +19,53 @@ 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]) }
+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};
+
+    # 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
 
-__PACKAGE__
+1;
 
 __END__
 
@@ -52,42 +76,64 @@ __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
 
 =over 4
 
-=item Value
+=item C<Value>
 
-=item Ref
+=item C<Ref>
 
-=item Str
+=item C<Str>
 
-=item Num
+=item C<Num>
 
-=item Int
+=item C<Int>
 
-=item ScalarRef
+=item C<ScalarRef>
 
-=item ArrayRef
+=item C<ArrayRef>
 
-=item HashRef
+=item C<HashRef>
 
-=item CodeRef
+=item C<CodeRef>
 
-=item RegexpRef
+=item C<RegexpRef>
 
-=item GlobRef
+=item C<GlobRef>
 
-=item FileHandle
+=item C<FileHandle>
 
-=item Object
+=item C<Object>
 
-=item Role
+=item C<Role>
+
+=item C<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 2007-2009 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