X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FMouse%2FPurePerl.pm;h=fc6b45786a4c6248e421b65c4286a98eabd630c3;hb=c9cc688441831c86cb270b4a12ccf61e0bcd821a;hp=383c0c8e69734d990062c05a6a980ee87cba2b49;hpb=f18345f1ff14d11b71695cde4b67638ae942af8c;p=gitmo%2FMouse.git diff --git a/lib/Mouse/PurePerl.pm b/lib/Mouse/PurePerl.pm index 383c0c8..fc6b457 100644 --- a/lib/Mouse/PurePerl.pm +++ b/lib/Mouse/PurePerl.pm @@ -18,15 +18,20 @@ sub is_class_loaded { return 0 if ref($class) || !defined($class) || !length($class); # walk the symbol table tree to avoid autovififying - # \*{${main::}{"Foo::"}} == \*main::Foo:: + # \*{${main::}{"Foo::"}{"Bar::"}} == \*main::Foo::Bar:: my $pack = \%::; foreach my $part (split('::', $class)) { - my $entry = \$pack->{$part . '::'}; + $part .= '::'; + return 0 if !exists $pack->{$part}; + + my $entry = \$pack->{$part}; return 0 if ref($entry) ne 'GLOB'; - $pack = *{$entry}{HASH} or return 0; + $pack = *{$entry}{HASH}; } + return 0 if !%{$pack}; + # check for $VERSION or @ISA return 1 if exists $pack->{VERSION} && defined *{$pack->{VERSION}}{SCALAR} && defined ${ $pack->{VERSION} }; @@ -92,6 +97,32 @@ sub generate_isa_predicate_for { return $predicate; } +sub generate_can_predicate_for { + my($methods_ref, $name) = @_; + + my @methods = @{$methods_ref}; + + my $predicate = sub{ + my($instance) = @_; + if(Scalar::Util::blessed($instance)){ + foreach my $method(@methods){ + if(!$instance->can($method)){ + return 0; + } + } + return 1; + } + return 0; + }; + + if(defined $name){ + no strict 'refs'; + *{ caller() . '::' . $name } = $predicate; + return; + } + + return $predicate; +} package Mouse::Util::TypeConstraints; @@ -199,78 +230,6 @@ sub add_method { return; } -my %SIGIL_MAP = ( - '$' => 'SCALAR', - '@' => 'ARRAY', - '%' => 'HASH', - '&' => 'CODE', - '*' => 'GLOB', -); - -sub _deconstruct_variable_name { - my($self, $variable) = @_; - - (defined $variable) - || $self->throw_error("You must pass a variable name"); - - my $sigil = substr($variable, 0, 1, ''); - - (defined $sigil) - || $self->throw_error("The variable name must include a sigil"); - - (exists $SIGIL_MAP{$sigil}) - || $self->throw_error("I do not recognize that sigil '$sigil'"); - - return ($variable, $SIGIL_MAP{$sigil}); -} - -sub has_package_symbol { - my($self, $variable) = @_; - - my($name, $type) = $self->_deconstruct_variable_name($variable); - - my $namespace = $self->namespace; - - return 0 unless exists $namespace->{$name}; - - my $entry_ref = \$namespace->{$name}; - if ( ref($entry_ref) eq 'GLOB' ) { - return defined( *{$entry_ref}{$type} ); - } - else { - # a symbol table entry can be -1 (stub), string (stub with prototype), - # or reference (constant) - return $type eq 'CODE'; - } -} - -sub get_package_symbol { - my ($self, $variable) = @_; - - my($name, $type) = $self->_deconstruct_variable_name($variable); - - my $namespace = $self->namespace; - - return undef - unless exists $namespace->{$name}; - - my $entry_ref = \$namespace->{$name}; - - if ( ref($entry_ref) eq 'GLOB' ) { - return *{$entry_ref}{$type}; - } - else { - if ( $type eq 'CODE' ) { - no strict 'refs'; - return \&{ $self->name . '::' . $name }; - } - else { - return undef; - } - } -} - - package Mouse::Meta::Class; @@ -563,7 +522,7 @@ Mouse::PurePerl - A Mouse guts in pure Perl =head1 VERSION -This document describes Mouse version 0.40_08 +This document describes Mouse version 0.43 =head1 SEE ALSO