X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=catagits%2FCatalyst-Runtime.git;a=blobdiff_plain;f=lib%2FCatalyst%2FAction.pm;h=fd4aa1cc0315b0d160bcd2328d52a424d97a61b6;hp=ea3e3e49e820122e5fa612ef6e5657cb54de067e;hb=5dd46e24eedec447bdfbc4061ed683b5a17a7b0c;hpb=161710a39409d2afd256463471b8014a1c69adf4 diff --git a/lib/Catalyst/Action.pm b/lib/Catalyst/Action.pm index ea3e3e4..fd4aa1c 100644 --- a/lib/Catalyst/Action.pm +++ b/lib/Catalyst/Action.pm @@ -52,9 +52,7 @@ has number_of_args => ( if( ! exists $self->attributes->{Args} ) { # When 'Args' does not exist, that means we want 'any number of args'. return undef; - } elsif( - !defined($self->attributes->{Args}[0]) || - $self->attributes->{Args}[0] eq '' ) { + } elsif(!defined($self->attributes->{Args}[0])) { # When its 'Args' that internal cue for 'unlimited' return undef; } elsif( @@ -70,6 +68,10 @@ has number_of_args => ( } sub normalized_arg_number { + return $_[0]->number_of_args; +} + +sub comparable_arg_number { return defined($_[0]->number_of_args) ? $_[0]->number_of_args : ~0; } @@ -132,6 +134,7 @@ has args_constraints => ( handles => { has_args_constraints => 'count', args_constraint_count => 'count', + all_args_constraints => 'elements', }); sub _build_args_constraints { @@ -140,7 +143,6 @@ has args_constraints => ( return [] unless scalar(@arg_protos); return [] unless defined($arg_protos[0]); - return [] if ($arg_protos[0] eq '' && scalar(@arg_protos) == 1); # If there is only one arg and it looks like a number # we assume its 'classic' and the number is the number of @@ -218,6 +220,7 @@ has captures_constraints => ( handles => { has_captures_constraints => 'count', captures_constraints_count => 'count', + all_captures_constraints => 'elements', }); sub _build_captures_constraints { @@ -384,8 +387,8 @@ sub match_args { # Optimization since Tuple[Int, Int] would fail on 3,4,5 anyway, but this # way we can avoid calling the constraint when the arg length is incorrect. if( - $self->normalized_arg_number == ~0 || - scalar( @args ) == $self->normalized_arg_number + $self->comparable_arg_number == ~0 || + scalar( @args ) == $self->comparable_arg_number ) { return $self->args_constraints->[0]->check($args); } else { @@ -400,7 +403,7 @@ sub match_args { } else { # Because of the way chaining works, we can expect args that are totally not # what you'd expect length wise. When they don't match length, thats a fail - return 0 unless scalar( @args ) == $self->normalized_arg_number; + return 0 unless scalar( @args ) == $self->comparable_arg_number; for my $i(0..$#args) { $self->args_constraints->[$i]->check($args[$i]) || return 0; @@ -409,10 +412,10 @@ sub match_args { } } else { # If infinite args with no constraints, we always match - return 1 if $self->normalized_arg_number == ~0; + return 1 if $self->comparable_arg_number == ~0; # Otherwise, we just need to match the number of args. - return scalar( @args ) == $self->normalized_arg_number; + return scalar( @args ) == $self->comparable_arg_number; } } @@ -454,7 +457,7 @@ sub match_captures_constraints { sub compare { my ($a1, $a2) = @_; - return $a1->normalized_arg_number <=> $a2->normalized_arg_number; + return $a1->comparable_arg_number <=> $a2->comparable_arg_number; } sub scheme { @@ -557,6 +560,12 @@ take any arguments and undef if it will take any number of arguments. =head2 normalized_arg_number +The number of arguments (starting with zero) that the current action defines, or +undefined if there is not defined number of args (which is later treated as, " +as many arguments as you like"). + +=head2 comparable_arg_number + For the purposes of comparison we normalize 'number_of_args' so that if it is undef we mean ~0 (as many args are we can think of).