-#!/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 $VERSION = '0.68';
+$VERSION = eval $VERSION;
+our $AUTHORITY = 'cpan:STEVAN';
sub Value { defined($_[0]) && !ref($_[0]) }
sub Int { defined($_[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__
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 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
+
+=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