X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FClass%2FMOP%2FMethod.pm;h=55b22fb236934a7cabaa88dc6a81178c64ec3c74;hb=81c8a65bf02bb1b0e240d8f5b626b0ceabf9a37c;hp=912368aab02cf3dcfb7c54a28458482bc537e6d3;hpb=bfc88f317e95e6dae98043545889a6e2f3e0c98b;p=gitmo%2FClass-MOP.git diff --git a/lib/Class/MOP/Method.pm b/lib/Class/MOP/Method.pm index 912368a..55b22fb 100644 --- a/lib/Class/MOP/Method.pm +++ b/lib/Class/MOP/Method.pm @@ -8,7 +8,15 @@ use Carp 'confess'; use Scalar::Util 'reftype', 'blessed'; use B 'svref_2object'; -our $VERSION = '0.02'; +our $VERSION = '0.05'; +our $AUTHORITY = 'cpan:STEVAN'; + +use base 'Class::MOP::Object'; + +# NOTE: +# if poked in the right way, +# they should act like CODE refs. +use overload '&{}' => sub { $_[0]->body }, fallback => 1; # introspection @@ -19,119 +27,49 @@ sub meta { # construction -sub new { +sub wrap { my $class = shift; my $code = shift; - (reftype($code) && reftype($code) eq 'CODE') - || confess "You must supply a CODE reference to bless"; - bless $code => blessed($class) || $class; + ('CODE' eq (reftype($code) || '')) + || confess "You must supply a CODE reference to bless, not (" . ($code || 'undef') . ")"; + bless { + '&!body' => $code + } => blessed($class) || $class; } -{ - my %MODIFIERS; - - sub wrap { - my $code = shift; - (blessed($code)) - || confess "Can only ask the package name of a blessed CODE"; - my $modifier_table = { - orig => $code, - before => [], - after => [], - around => { - cache => $code, - methods => [], - }, - }; - my $method = $code->new(sub { - $_->(@_) for @{$modifier_table->{before}}; - my (@rlist, $rval); - if (defined wantarray) { - if (wantarray) { - @rlist = $modifier_table->{around}->{cache}->(@_); - } - else { - $rval = $modifier_table->{around}->{cache}->(@_); - } - } - else { - $modifier_table->{around}->{cache}->(@_); - } - $_->(@_) for @{$modifier_table->{after}}; - return unless defined wantarray; - return wantarray ? @rlist : $rval; - }); - $MODIFIERS{$method} = $modifier_table; - $method; - } - - sub add_before_modifier { - my $code = shift; - my $modifier = shift; - (exists $MODIFIERS{$code}) - || confess "You must first wrap your method before adding a modifier"; - (blessed($code)) - || confess "Can only ask the package name of a blessed CODE"; - (reftype($modifier) && reftype($modifier) eq 'CODE') - || confess "You must supply a CODE reference for a modifier"; - unshift @{$MODIFIERS{$code}->{before}} => $modifier; - } - - sub add_after_modifier { - my $code = shift; - my $modifier = shift; - (exists $MODIFIERS{$code}) - || confess "You must first wrap your method before adding a modifier"; - (blessed($code)) - || confess "Can only ask the package name of a blessed CODE"; - (reftype($modifier) && reftype($modifier) eq 'CODE') - || confess "You must supply a CODE reference for a modifier"; - push @{$MODIFIERS{$code}->{after}} => $modifier; - } - - { - 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; - (exists $MODIFIERS{$code}) - || confess "You must first wrap your method before adding a modifier"; - (blessed($code)) - || confess "Can only ask the package name of a blessed CODE"; - (reftype($modifier) && reftype($modifier) eq 'CODE') - || confess "You must supply a CODE reference for a modifier"; - unshift @{$MODIFIERS{$code}->{around}->{methods}} => $modifier; - $MODIFIERS{$code}->{around}->{cache} = $compile_around_method->( - @{$MODIFIERS{$code}->{around}->{methods}}, - $MODIFIERS{$code}->{orig} - ); - } - } -} +## accessors + +sub body { (shift)->{'&!body'} } + +# TODO - add associated_class # informational +# NOTE: +# this may not be the same name +# as the class you got it from +# This gets the package stash name +# associated with the actual CODE-ref sub package_name { - my $code = shift; - (blessed($code)) - || confess "Can only ask the package name of a blessed CODE"; + my $code = (shift)->body; svref_2object($code)->GV->STASH->NAME; } +# NOTE: +# this may not be the same name +# as the method name it is stored +# with. This gets the name associated +# with the actual CODE-ref sub name { - my $code = shift; - (blessed($code)) - || confess "Can only ask the package name of a blessed CODE"; + my $code = (shift)->body; svref_2object($code)->GV->NAME; } +sub fully_qualified_name { + my $code = shift; + $code->package_name . '::' . $code->name; +} + 1; __END__ @@ -149,12 +87,8 @@ Class::MOP::Method - Method Meta Object =head1 DESCRIPTION The Method Protocol is very small, since methods in Perl 5 are just -subroutines within the particular package. Basically all we do is to -bless the subroutine. - -Currently this package is largely unused. Future plans are to provide -some very simple introspection methods for the methods themselves. -Suggestions for this are welcome. +subroutines within the particular package. We provide a very basic +introspection interface. =head1 METHODS @@ -173,9 +107,7 @@ to this class. =over 4 -=item B - -This simply blesses the C<&code> reference passed to it. +=item B =back @@ -183,22 +115,22 @@ This simply blesses the C<&code> reference passed to it. =over 4 +=item B + =item B =item B -=back - -=head1 SEE ALSO +=item B -http://dirtsimple.org/2005/01/clos-style-method-combination-for.html - -http://www.gigamonkeys.com/book/object-reorientation-generic-functions.html +=back -=head1 AUTHOR +=head1 AUTHORS Stevan Little Estevan@iinteractive.comE +Yuval Kogman Enothingmuch@woobling.comE + =head1 COPYRIGHT AND LICENSE Copyright 2006 by Infinity Interactive, Inc. @@ -208,4 +140,5 @@ L This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself. -=cut \ No newline at end of file +=cut +