Remove use of overload

[catagits/Catalyst-Runtime.git] / lib / Catalyst / DispatchType / Chained.pm

diff --git a/lib/Catalyst/DispatchType/Chained.pm b/lib/Catalyst/DispatchType/Chained.pm
index d637db7..5bf3853 100644 (file)
--- a/lib/Catalyst/DispatchType/Chained.pm
+++ b/lib/Catalyst/DispatchType/Chained.pm
@@ -1,11 +1,36 @@
 package Catalyst::DispatchType::Chained;
 
-use strict;
-use base qw/Catalyst::DispatchType/;
+use Class::C3;
+use Moose;
+extends 'Catalyst::DispatchType';
+
 use Text::SimpleTable;
 use Catalyst::ActionChain;
 use URI;
 
+has _endpoints => (
+                   is => 'rw',
+                   isa => 'ArrayRef',
+                   required => 1,
+                   default => sub{ [] },
+                  );
+
+has _actions => (
+                 is => 'rw',
+                 isa => 'HashRef',
+                 required => 1,
+                 default => sub{ {} },
+                );
+
+has _children_of => (
+                     is => 'rw',
+                     isa => 'HashRef',
+                     required => 1,
+                     default => sub{ {} },
+                    );
+
+no Moose;
+
 # please don't perltidy this. hairy code within.
 
 =head1 NAME
@@ -41,7 +66,7 @@ Debug output for Path Part dispatch points
 sub list {
     my ( $self, $c ) = @_;
 
-    return unless $self->{endpoints};
+    return unless $self->_endpoints;
 
     my $paths = Text::SimpleTable->new(
                     [ 35, 'Path Spec' ], [ 36, 'Private' ]
@@ -49,7 +74,7 @@ sub list {
 
     ENDPOINT: foreach my $endpoint (
                   sort { $a->reverse cmp $b->reverse }
-                           @{ $self->{endpoints} }
+                           @{ $self->_endpoints }
                   ) {
         my $args = $endpoint->attributes->{Args}->[0];
         my @parts = (defined($args) ? (("*") x $args) : '...');
@@ -65,7 +90,7 @@ sub list {
                     if (defined $pp->[0] && length $pp->[0]);
             }
             $parent = $curr->attributes->{Chained}->[0];
-            $curr = $self->{actions}{$parent};
+            $curr = $self->_actions->{$parent};
             unshift(@parents, $curr) if $curr;
         }
         next ENDPOINT unless $parent eq '/'; # skip dangling action
@@ -97,19 +122,21 @@ Calls C<recurse_match> to see if a chain matches the C<$path>.
 sub match {
     my ( $self, $c, $path ) = @_;
 
-    return 0 if @{$c->req->args};
+    my $request = $c->request;
+    return 0 if @{$request->args};
 
     my @parts = split('/', $path);
 
-    my ($chain, $captures) = $self->recurse_match($c, '/', \@parts);
+    my ($chain, $captures, $parts) = $self->recurse_match($c, '/', \@parts);
+    push @{$request->args}, @$parts if $parts && @$parts;
 
     return 0 unless $chain;
 
     my $action = Catalyst::ActionChain->from_chain($chain);
 
-    $c->req->action("/${action}");
-    $c->req->match("/${action}");
-    $c->req->captures($captures);
+    $request->action("/${action}");
+    $request->match("/${action}");
+    $request->captures($captures);
     $c->action($action);
     $c->namespace( $action->namespace );
 
@@ -124,8 +151,9 @@ Recursive search for a matching chain.
 
 sub recurse_match {
     my ( $self, $c, $parent, $path_parts ) = @_;
-    my $children = $self->{children_of}{$parent};
+    my $children = $self->_children_of->{$parent};
     return () unless $children;
+    my $best_action;
     my @captures;
     TRY: foreach my $try_part (sort { length($b) <=> length($a) }
                                    keys %$children) {
@@ -152,22 +180,44 @@ sub recurse_match {
                 push(@captures, splice(@parts, 0, $capture_attr->[0]));
 
                 # try the remaining parts against children of this action
-                my ($actions, $captures) = $self->recurse_match(
+                my ($actions, $captures, $action_parts) = $self->recurse_match(
                                              $c, '/'.$action->reverse, \@parts
                                            );
-                if ($actions) {
-                    return [ $action, @$actions ], [ @captures, @$captures ];
+                if ($actions && (!$best_action || $#$action_parts < $#{$best_action->{parts}})){
+                    $best_action = {
+                        actions => [ $action, @$actions ],
+                        captures=> [ @captures, @$captures ],
+                        parts   => $action_parts
+                        };
                 }
-            } else {
+            }
+            else {
                 {
                     local $c->req->{arguments} = [ @{$c->req->args}, @parts ];
                     next TRY_ACTION unless $action->match($c);
                 }
-                push(@{$c->req->args}, @parts);
-                return [ $action ], [ ];
+                my $args_attr = $action->attributes->{Args}->[0];
+
+                #    No best action currently
+                # OR This one matches with fewer parts left than the current best action,
+                #    And therefore is a better match
+                # OR No parts and this expects 0 
+                #    The current best action might also be Args(0),
+                #    but we couldn't chose between then anyway so we'll take the last seen
+
+                if (!$best_action                       ||
+                    @parts < @{$best_action->{parts}}   ||
+                    (!@parts && $args_attr eq 0)){
+                    $best_action = {
+                        actions => [ $action ],
+                        captures=> [],
+                        parts   => \@parts
+                    }
+                }
             }
         }
     }
+    return @$best_action{qw/actions captures parts/} if $best_action;
     return ();
 }
 
@@ -208,7 +258,7 @@ sub register {
 
     $action->attributes->{Chained} = [ $parent ];
 
-    my $children = ($self->{children_of}{$parent} ||= {});
+    my $children = ($self->_children_of->{$parent} ||= {});
 
     my @path_part = @{ $action->attributes->{PathPart} || [] };
 
@@ -218,13 +268,13 @@ sub register {
         $part = $path_part[0];
     } elsif (@path_part > 1) {
         Catalyst::Exception->throw(
-          "Multiple PathPart attributes not supported registering ${action}"
+          "Multiple PathPart attributes not supported registering " . $action->reverse()
         );
     }
 
     if ($part =~ m(^/)) {
         Catalyst::Exception->throw(
-          "Absolute parameters to PathPart not allowed registering ${action}"
+          "Absolute parameters to PathPart not allowed registering " . $action->reverse()
         );
     }
 
@@ -232,10 +282,10 @@ sub register {
 
     unshift(@{ $children->{$part} ||= [] }, $action);
 
-    ($self->{actions} ||= {})->{'/'.$action->reverse} = $action;
+    $self->_actions->{'/'.$action->reverse} = $action;
 
     unless ($action->attributes->{CaptureArgs}) {
-        unshift(@{ $self->{endpoints} ||= [] }, $action);
+        unshift(@{ $self->_endpoints }, $action);
     }
 
     return 1;
@@ -270,7 +320,7 @@ sub uri_for_action {
                 if (defined($pp->[0]) && length($pp->[0]));
         }
         $parent = $curr->attributes->{Chained}->[0];
-        $curr = $self->{actions}{$parent};
+        $curr = $self->_actions->{$parent};
     }
 
     return undef unless $parent eq '/'; # fail for dangling action
@@ -281,6 +331,8 @@ sub uri_for_action {
    
 }
 
+__PACKAGE__->meta->make_immutable;
+
 =head1 USAGE
 
 =head2 Introduction
@@ -461,7 +513,7 @@ effect as using C<:PathPart>, it would default to the action name.
 Has to be specified for every child in the chain. Possible values are
 absolute and relative private action paths, with the relatives pointing
 to the current controller, or a single slash C</> to tell Catalyst that
-this is the root of a chain. The attribute C<:Chained> without aguments
+this is the root of a chain. The attribute C<:Chained> without arguments
 also defaults to the C</> behavior.
 
 Because you can specify an absolute path to the parent action, it