X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FClass%2FMOP%2FPackage.pm;h=912072b650812b7731531585b7abea4ff1dcbbb9;hb=c23184fc39306590f9e481d76c199020a638bb28;hp=18e2c10b0867712b263107ebccc26795335b7789;hpb=6e57504d833b252832d0f5306f0db97784647148;p=gitmo%2FClass-MOP.git
diff --git a/lib/Class/MOP/Package.pm b/lib/Class/MOP/Package.pm
index 18e2c10..912072b 100644
--- a/lib/Class/MOP/Package.pm
+++ b/lib/Class/MOP/Package.pm
@@ -7,7 +7,7 @@ use warnings;
use Scalar::Util 'blessed';
use Carp 'confess';
-our $VERSION = '0.02';
+our $VERSION = '0.05';
our $AUTHORITY = 'cpan:STEVAN';
use base 'Class::MOP::Object';
@@ -28,8 +28,15 @@ sub initialize {
# until we can bootstrap it
no strict 'refs';
return bless {
- '$:package' => $package_name,
- '%:namespace' => \%{$package_name . '::'},
+ '$!package' => $package_name,
+ # NOTE:
+ # because of issues with the Perl API
+ # to the typeglob in some versions, we
+ # need to just always grab a new
+ # reference to the hash in the accessor.
+ # Ideally we could just store a ref and
+ # it would Just Work, but oh well :\
+ '%!namespace' => \undef,
} => $class;
}
@@ -39,8 +46,18 @@ sub initialize {
# all these attribute readers will be bootstrapped
# away in the Class::MOP bootstrap section
-sub name { $_[0]->{'$:package'} }
-sub namespace { $_[0]->{'%:namespace'} }
+sub name { $_[0]->{'$!package'} }
+sub namespace {
+ # NOTE:
+ # because of issues with the Perl API
+ # to the typeglob in some versions, we
+ # need to just always grab a new
+ # reference to the hash here. Ideally
+ # we could just store a ref and it would
+ # Just Work, but oh well :\
+ no strict 'refs';
+ \%{$_[0]->name . '::'}
+}
# utility methods
@@ -80,8 +97,8 @@ sub add_package_symbol {
my ($name, $sigil, $type) = $self->_deconstruct_variable_name($variable);
no strict 'refs';
- no warnings 'redefine', 'misc';
- *{$self->name . '::' . $name} = ref $initial_value ? $initial_value : \$initial_value;
+ no warnings 'redefine', 'misc';
+ *{$self->name . '::' . $name} = ref $initial_value ? $initial_value : \$initial_value;
}
sub remove_package_glob {
@@ -96,7 +113,7 @@ sub has_package_symbol {
my ($self, $variable) = @_;
my ($name, $sigil, $type) = $self->_deconstruct_variable_name($variable);
-
+
return 0 unless exists $self->namespace->{$name};
# FIXME:
@@ -110,10 +127,10 @@ sub has_package_symbol {
if ($type eq 'SCALAR') {
my $val = *{$self->namespace->{$name}}{$type};
- defined $$val ? 1 : 0;
+ defined(${$val}) ? 1 : 0;
}
else {
- defined *{$self->namespace->{$name}}{$type} ? 1 : 0;
+ defined(*{$self->namespace->{$name}}{$type}) ? 1 : 0;
}
}
@@ -170,8 +187,15 @@ sub remove_package_symbol {
}
sub list_all_package_symbols {
- my ($self) = @_;
- return keys %{$self->namespace};
+ my ($self, $type_filter) = @_;
+ return keys %{$self->namespace} unless defined $type_filter;
+ # NOTE:
+ # or we can filter based on
+ # type (SCALAR|ARRAY|HASH|CODE)
+ my $namespace = $self->namespace;
+ return grep {
+ defined(*{$namespace->{$_}}{$type_filter})
+ } keys %{$namespace};
}
1;
@@ -194,23 +218,53 @@ Class::MOP::Package - Package Meta Object
=item B
-=item B
+=item B
=item B
+This is a read-only attribute which returns the package name for the
+given instance.
+
=item B
-=item B
+This returns a HASH reference to the symbol table. The keys of the
+HASH are the symbol names, and the values are typeglob references.
+
+=item B
+
+Given a C<$variable_name>, which must contain a leading sigil, this
+method will create that variable within the package which houses the
+class. It also takes an optional C<$initial_value>, which must be a
+reference of the same type as the sigil of the C<$variable_name>
+implies.
+
+=item B
+
+This will return a reference to the package variable in
+C<$variable_name>.
+
+=item B
+
+Returns true (C<1>) if there is a package variable defined for
+C<$variable_name>, and false (C<0>) otherwise.
+
+=item B
+
+This will attempt to remove the package variable at C<$variable_name>.
-=item B
+=item B
-=item B
+This will attempt to remove the entire typeglob associated with
+C<$glob_name> from the package.
-=item B
+=item B
-=item B
+This will list all the glob names associated with the current package.
+By inspecting the globs returned you can discern all the variables in
+the package.
-=item B
+By passing a C<$type_filter>, you can limit the list to only those
+which match the filter (either SCALAR, ARRAY, HASH or CODE).
=back