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|
package Class::Unload;
use warnings;
use strict;
no strict 'refs'; # we're fiddling with the symbol table
use Class::Inspector;
=head1 NAME
Class::Unload - Unload a class
=head1 VERSION
Version 0.05
=cut
use 5.005;
use vars qw($VERSION);
BEGIN {
$VERSION = '0.05';
}
=head1 SYNOPSIS
Unload a class
use Class::Unload;
use Class::Inspector;
use Some::Class;
Class::Unload->unload( 'Some::Class' );
Class::Inspector->loaded( 'Some::Class' ); # Returns false
require Some::Class; # Reloads the class
=head1 METHODDS
=head2 unload $class
Unloads the given class by clearing out its symbol table and removing it
from %INC.
=cut
sub unload {
my ($self, $class) = @_;
return unless Class::Inspector->loaded( $class );
# Flush inheritance caches
@{$class . '::ISA'} = ();
my $symtab = $class.'::';
# Delete all symbols except other namespaces
for my $symbol (keys %$symtab) {
next if substr($symbol, -2, 2) eq '::';
delete $symtab->{$symbol};
}
my $inc_file = join( '/', split /(?:'|::)/, $class ) . '.pm';
delete $INC{ $inc_file };
return 1;
}
=head1 AUTHOR
Dagfinn Ilmari Mannsker, C<< <ilmari at ilmari.org> >>
=head1 SEE ALSO
L<Class::Inspector>
=head1 BUGS
Please report any bugs or feature requests to C<bug-class-unload at
rt.cpan.org>, or through the web interface at
L<http://rt.cpan.org/NoAuth/ReportBug.html?Queue=Class-Unload>. I will
be notified, and then you'll automatically be notified of progress on
your bug as I make changes.
=head1 SUPPORT
You can find documentation for this module with the perldoc command.
perldoc Class::Unload
You can also look for information at:
=over 4
=item * RT: CPAN's request tracker
L<http://rt.cpan.org/NoAuth/Bugs.html?Dist=Class-Unload>
=item * AnnoCPAN: Annotated CPAN documentation
L<http://annocpan.org/dist/Class-Unload>
=item * CPAN Ratings
L<http://cpanratings.perl.org/d/Class-Unload>
=item * Search CPAN
L<http://search.cpan.org/dist/Class-Unload>
=item * Git reposiory
L<http://git.ilmari.org/?p=Class-Unload.git>
C<git://git.ilmari.org/Class-Unload.git>
=back
=head1 ACKNOWLEDGEMENTS
Thanks to Matt S. Trout, James Mastros and Uri Guttman for various tips
and pointers.
=head1 COPYRIGHT & LICENSE
Copyright 2008 Dagfinn Ilmari Mannsker.
This program is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
=cut
1; # End of Class::Unload
|
