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Diffstat (limited to 'Master/tlpkg/tlperl0/lib/Module/Loaded.pm')
-rwxr-xr-x | Master/tlpkg/tlperl0/lib/Module/Loaded.pm | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/Master/tlpkg/tlperl0/lib/Module/Loaded.pm b/Master/tlpkg/tlperl0/lib/Module/Loaded.pm deleted file mode 100755 index 26cf07e3e61..00000000000 --- a/Master/tlpkg/tlperl0/lib/Module/Loaded.pm +++ /dev/null @@ -1,142 +0,0 @@ -package Module::Loaded; - -use strict; -use Carp qw[carp]; - -BEGIN { use base 'Exporter'; - use vars qw[@EXPORT $VERSION]; - - $VERSION = '0.06'; - @EXPORT = qw[mark_as_loaded mark_as_unloaded is_loaded]; -} - -=head1 NAME - -Module::Loaded - mark modules as loaded or unloaded - -=head1 SYNOPSIS - - use Module::Loaded; - - $bool = mark_as_loaded('Foo'); # Foo.pm is now marked as loaded - $loc = is_loaded('Foo'); # location of Foo.pm set to the - # loaders location - eval "require 'Foo'"; # is now a no-op - - $bool = mark_as_unloaded('Foo'); # Foo.pm no longer marked as loaded - eval "require 'Foo'"; # Will try to find Foo.pm in @INC - -=head1 DESCRIPTION - -When testing applications, often you find yourself needing to provide -functionality in your test environment that would usually be provided -by external modules. Rather than munging the C<%INC> by hand to mark -these external modules as loaded, so they are not attempted to be loaded -by perl, this module offers you a very simple way to mark modules as -loaded and/or unloaded. - -=head1 FUNCTIONS - -=head2 $bool = mark_as_loaded( PACKAGE ); - -Marks the package as loaded to perl. C<PACKAGE> can be a bareword or -string. - -If the module is already loaded, C<mark_as_loaded> will carp about -this and tell you from where the C<PACKAGE> has been loaded already. - -=cut - -sub mark_as_loaded (*) { - my $pm = shift; - my $file = __PACKAGE__->_pm_to_file( $pm ) or return; - my $who = [caller]->[1]; - - my $where = is_loaded( $pm ); - if ( defined $where ) { - carp "'$pm' already marked as loaded ('$where')"; - - } else { - $INC{$file} = $who; - } - - return 1; -} - -=head2 $bool = mark_as_unloaded( PACKAGE ); - -Marks the package as unloaded to perl, which is the exact opposite -of C<mark_as_loaded>. C<PACKAGE> can be a bareword or string. - -If the module is already unloaded, C<mark_as_unloaded> will carp about -this and tell you the C<PACKAGE> has been unloaded already. - -=cut - -sub mark_as_unloaded (*) { - my $pm = shift; - my $file = __PACKAGE__->_pm_to_file( $pm ) or return; - - unless( defined is_loaded( $pm ) ) { - carp "'$pm' already marked as unloaded"; - - } else { - delete $INC{ $file }; - } - - return 1; -} - -=head2 $loc = is_loaded( PACKAGE ); - -C<is_loaded> tells you if C<PACKAGE> has been marked as loaded yet. -C<PACKAGE> can be a bareword or string. - -It returns falls if C<PACKAGE> has not been loaded yet and the location -from where it is said to be loaded on success. - -=cut - -sub is_loaded (*) { - my $pm = shift; - my $file = __PACKAGE__->_pm_to_file( $pm ) or return; - - return $INC{$file} if exists $INC{$file}; - - return; -} - - -sub _pm_to_file { - my $pkg = shift; - my $pm = shift or return; - - my $file = join '/', split '::', $pm; - $file .= '.pm'; - - return $file; -} - -=head1 BUG REPORTS - -Please report bugs or other issues to E<lt>bug-module-loaded@rt.cpan.org<gt>. - -=head1 AUTHOR - -This module by Jos Boumans E<lt>kane@cpan.orgE<gt>. - -=head1 COPYRIGHT - -This library is free software; you may redistribute and/or modify it -under the same terms as Perl itself. - -=cut - -# Local variables: -# c-indentation-style: bsd -# c-basic-offset: 4 -# indent-tabs-mode: nil -# End: -# vim: expandtab shiftwidth=4: - -1; |