use warnings;
use Carp 'confess';
-use Scalar::Util 'reftype', 'blessed';
-use Sub::Name 'subname';
+use Scalar::Util 'blessed';
-our $VERSION = '0.02';
+our $VERSION = '0.64_02';
+$VERSION = eval $VERSION;
our $AUTHORITY = 'cpan:STEVAN';
-use base 'Class::MOP::Method';
+use base 'Class::MOP::Method';
# NOTE:
-# this ugly beast is the result of trying
+# this ugly beast is the result of trying
# to micro optimize this as much as possible
# while not completely loosing maintainability.
# At this point it's "fast enough", after all
# you can't get something for nothing :)
my $_build_wrapped_method = sub {
- my $modifier_table = shift;
- my ($before, $after, $around) = (
- $modifier_table->{before},
- $modifier_table->{after},
- $modifier_table->{around},
- );
- if (@$before && @$after) {
- $modifier_table->{cache} = sub {
- $_->(@_) for @{$before};
- my @rval;
- ((defined wantarray) ?
- ((wantarray) ?
- (@rval = $around->{cache}->(@_))
- :
- ($rval[0] = $around->{cache}->(@_)))
- :
- $around->{cache}->(@_));
- $_->(@_) for @{$after};
- return unless defined wantarray;
- return wantarray ? @rval : $rval[0];
- }
- }
- elsif (@$before && !@$after) {
- $modifier_table->{cache} = sub {
- $_->(@_) for @{$before};
- return $around->{cache}->(@_);
- }
- }
- elsif (@$after && !@$before) {
- $modifier_table->{cache} = sub {
- my @rval;
- ((defined wantarray) ?
- ((wantarray) ?
- (@rval = $around->{cache}->(@_))
- :
- ($rval[0] = $around->{cache}->(@_)))
- :
- $around->{cache}->(@_));
- $_->(@_) for @{$after};
- return unless defined wantarray;
- return wantarray ? @rval : $rval[0];
- }
- }
- else {
- $modifier_table->{cache} = $around->{cache};
- }
+ my $modifier_table = shift;
+ my ($before, $after, $around) = (
+ $modifier_table->{before},
+ $modifier_table->{after},
+ $modifier_table->{around},
+ );
+ if (@$before && @$after) {
+ $modifier_table->{cache} = sub {
+ $_->(@_) for @{$before};
+ my @rval;
+ ((defined wantarray) ?
+ ((wantarray) ?
+ (@rval = $around->{cache}->(@_))
+ :
+ ($rval[0] = $around->{cache}->(@_)))
+ :
+ $around->{cache}->(@_));
+ $_->(@_) for @{$after};
+ return unless defined wantarray;
+ return wantarray ? @rval : $rval[0];
+ }
+ }
+ elsif (@$before && !@$after) {
+ $modifier_table->{cache} = sub {
+ $_->(@_) for @{$before};
+ return $around->{cache}->(@_);
+ }
+ }
+ elsif (@$after && !@$before) {
+ $modifier_table->{cache} = sub {
+ my @rval;
+ ((defined wantarray) ?
+ ((wantarray) ?
+ (@rval = $around->{cache}->(@_))
+ :
+ ($rval[0] = $around->{cache}->(@_)))
+ :
+ $around->{cache}->(@_));
+ $_->(@_) for @{$after};
+ return unless defined wantarray;
+ return wantarray ? @rval : $rval[0];
+ }
+ }
+ else {
+ $modifier_table->{cache} = $around->{cache};
+ }
};
sub wrap {
- my $class = shift;
- my $code = shift;
- (blessed($code) && $code->isa('Class::MOP::Method'))
- || confess "Can only wrap blessed CODE";
- my $modifier_table = {
- cache => undef,
- orig => $code,
- before => [],
- after => [],
- around => {
- cache => $code->body,
- methods => [],
- },
- };
- $_build_wrapped_method->($modifier_table);
- my $method = $class->SUPER::wrap(sub { $modifier_table->{cache}->(@_) });
- $method->{'%!modifier_table'} = $modifier_table;
- $method;
+ my ( $class, $code, %params ) = @_;
+
+ (blessed($code) && $code->isa('Class::MOP::Method'))
+ || confess "Can only wrap blessed CODE";
+
+ my $modifier_table = {
+ cache => undef,
+ orig => $code,
+ before => [],
+ after => [],
+ around => {
+ cache => $code->body,
+ methods => [],
+ },
+ };
+ $_build_wrapped_method->($modifier_table);
+ my $method = $class->SUPER::wrap(
+ sub { $modifier_table->{cache}->(@_) },
+ # get these from the original
+ # unless explicitly overriden
+ package_name => $params{package_name} || $code->package_name,
+ name => $params{name} || $code->name,
+ );
+ $method->{'modifier_table'} = $modifier_table;
+ $method;
}
sub get_original_method {
- my $code = shift;
- $code->{'%!modifier_table'}->{orig};
+ my $code = shift;
+ $code->{'modifier_table'}->{orig};
}
sub add_before_modifier {
- my $code = shift;
- my $modifier = shift;
- unshift @{$code->{'%!modifier_table'}->{before}} => $modifier;
- $_build_wrapped_method->($code->{'%!modifier_table'});
+ my $code = shift;
+ my $modifier = shift;
+ unshift @{$code->{'modifier_table'}->{before}} => $modifier;
+ $_build_wrapped_method->($code->{'modifier_table'});
}
sub add_after_modifier {
- my $code = shift;
- my $modifier = shift;
- push @{$code->{'%!modifier_table'}->{after}} => $modifier;
- $_build_wrapped_method->($code->{'%!modifier_table'});
+ my $code = shift;
+ my $modifier = shift;
+ push @{$code->{'modifier_table'}->{after}} => $modifier;
+ $_build_wrapped_method->($code->{'modifier_table'});
}
{
- # NOTE:
- # this is another possible canidate for
- # optimization as well. There is an overhead
- # associated with the currying that, if
- # eliminated might make around modifiers
- # more manageable.
- my $compile_around_method = sub {{
- my $f1 = pop;
- return $f1 unless @_;
- my $f2 = pop;
- push @_, sub { $f2->( $f1, @_ ) };
- redo;
- }};
-
- sub add_around_modifier {
- my $code = shift;
- my $modifier = shift;
- unshift @{$code->{'%!modifier_table'}->{around}->{methods}} => $modifier;
- $code->{'%!modifier_table'}->{around}->{cache} = $compile_around_method->(
- @{$code->{'%!modifier_table'}->{around}->{methods}},
- $code->{'%!modifier_table'}->{orig}->body
- );
- $_build_wrapped_method->($code->{'%!modifier_table'});
- }
+ # NOTE:
+ # this is another possible candidate for
+ # optimization as well. There is an overhead
+ # associated with the currying that, if
+ # eliminated might make around modifiers
+ # more manageable.
+ my $compile_around_method = sub {{
+ my $f1 = pop;
+ return $f1 unless @_;
+ my $f2 = pop;
+ push @_, sub { $f2->( $f1, @_ ) };
+ redo;
+ }};
+
+ sub add_around_modifier {
+ my $code = shift;
+ my $modifier = shift;
+ unshift @{$code->{'modifier_table'}->{around}->{methods}} => $modifier;
+ $code->{'modifier_table'}->{around}->{cache} = $compile_around_method->(
+ @{$code->{'modifier_table'}->{around}->{methods}},
+ $code->{'modifier_table'}->{orig}->body
+ );
+ $_build_wrapped_method->($code->{'modifier_table'});
+ }
}
1;
=pod
-=head1 NAME
+=head1 NAME
Class::MOP::Method::Wrapped - Method Meta Object to handle before/around/after modifiers
-=head1 SYNOPSIS
-
- # ... more to come later maybe
-
=head1 DESCRIPTION
+This is a L<Class::MOP::Method> subclass which provides the funtionality
+to wrap a given CODE reference with before, after and around method modifiers.
+
=head1 METHODS
=head2 Construction
=over 4
-=item B<wrap (&code)>
+=item B<wrap ($code)>
+
+This is the constructor, it will return a B<Class::MOP::Method::Wrapped>
+instance that can be used to add before, after and around modifiers to.
=item B<get_original_method>
+This returns the original CODE reference that was provided to the
+constructor.
+
=back
=head2 Modifiers
+These three methods will add the method modifiers to the wrapped
+CODE reference. For more information on how method modifiers work,
+see the section in L<Class::MOP::Class>.
+
=over 4
=item B<add_before_modifier ($code)>
Stevan Little E<lt>stevan@iinteractive.comE<gt>
-Yuval Kogman E<lt>nothingmuch@woobling.comE<gt>
-
=head1 COPYRIGHT AND LICENSE
-Copyright 2006 by Infinity Interactive, Inc.
+Copyright 2006-2008 by Infinity Interactive, Inc.
L<http://www.iinteractive.com>
This library is free software; you can redistribute it and/or modify
-it under the same terms as Perl itself.
+it under the same terms as Perl itself.
=cut
projects / gitmo/Class-MOP.git / blobdiff