X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=gitmo%2FMouse.git;a=blobdiff_plain;f=lib%2FMouse%2FPurePerl.pm;h=72dcb368bfdb34271e145c4ecf22cdf5b49feccf;hp=470fbd73e8f2eacef59460b2b0389b8d77ec3600;hb=4c0fe06fa87e7c2c4ed1666e77ed52ae020f19d7;hpb=e058b279f94cfd76ca59d7972209e1b346492db9 diff --git a/lib/Mouse/PurePerl.pm b/lib/Mouse/PurePerl.pm index 470fbd7..72dcb36 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 ${ $pack->{VERSION} }; @@ -199,6 +204,77 @@ sub add_method { return; } +my %SIGIL_MAP = ( + '$' => '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; @@ -223,6 +299,16 @@ sub get_all_attributes { return values %attrs; } +sub new_object { + my $self = shift; + my %args = (@_ == 1 ? %{$_[0]} : @_); + + my $object = bless {}, $self->name; + + $self->_initialize_object($object, \%args); + return $object; +} + sub _initialize_object{ my($self, $object, $args, $ignore_triggers) = @_; @@ -482,7 +568,7 @@ Mouse::PurePerl - A Mouse guts in pure Perl =head1 VERSION -This document describes Mouse version 0.40_06 +This document describes Mouse version 0.41 =head1 SEE ALSO