use Scalar::Util 'blessed', 'looks_like_number';
-our $VERSION = '0.02';
+our $VERSION = '0.61';
+$VERSION = eval $VERSION;
our $AUTHORITY = 'cpan:STEVAN';
sub Value { defined($_[0]) && !ref($_[0]) }
sub Int { defined($_[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]) && $_[0]->isa("IO::Handle") }
sub Role { blessed($_[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
=head1 DESCRIPTION
-This file contains the hand optimized versions of Moose type constraints.
+This file contains the hand optimized versions of Moose type constraints,
+no user serviceable parts inside.
=head1 FUNCTIONS
=item Role
+=item ClassName
+
=back
=head1 BUGS
=head1 COPYRIGHT AND LICENSE
-Copyright 2006-2008 by Infinity Interactive, Inc.
+Copyright 2007-2008 by Infinity Interactive, Inc.
L<http://www.iinteractive.com>