X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FCatalyst%2FEngine.pm;h=82f109223c31e551b2342163937065654f08f3b9;hb=57221a474fe5ae3496cbda08ac7dd67508253861;hp=ce51791b978404696b8e0215ab6e6ddf0efaa3df;hpb=4b4faf7254aa67192e7d491d8ed65f92dbc62b4a;p=catagits%2FCatalyst-Runtime.git

diff --git a/lib/Catalyst/Engine.pm b/lib/Catalyst/Engine.pm
index ce51791..82f1092 100644
--- a/lib/Catalyst/Engine.pm
+++ b/lib/Catalyst/Engine.pm
@@ -18,7 +18,7 @@ require Module::Pluggable::Fast;
 $Data::Dumper::Terse = 1;
 
 __PACKAGE__->mk_classdata($_) for qw/actions components tree/;
-__PACKAGE__->mk_accessors(qw/request response/);
+__PACKAGE__->mk_accessors(qw/request response state/);
 
 __PACKAGE__->actions(
     { plain => {}, private => {}, regex => {}, compiled => {}, reverse => {} }
@@ -68,94 +68,12 @@ sub action {
     $_[1] ? ( $action = {@_} ) : ( $action = shift );
     if ( ref $action eq 'HASH' ) {
         while ( my ( $name, $code ) = each %$action ) {
-            my $prefix = '';
-            my $class  = caller(0);
-            if ( $name =~ /^\?(.*)$/ ) {
-                my $prefix = $1 || '';
-                $name = $2;
-                $name = $prefix . _prefix( $class, $name );
-                $self->actions->{plain}->{$name} = [ $class, $code ];
-            }
-            if ( $name =~ /^\/(.*)\/$/ ) {
-                my $regex = $1;
-                $self->actions->{compiled}->{qr#$regex#} = $name;
-                $self->actions->{regex}->{$name} = [ $class, $code ];
-            }
-            elsif ( $name =~ /^\!(.*)$/ ) {
-                $name = $1;
-                my $parent  = $self->tree;
-                my $visitor = Tree::Simple::Visitor::FindByPath->new;
-                $prefix = _class2prefix($class);
-                for my $part ( split '/', $prefix ) {
-                    $visitor->setSearchPath($part);
-                    $parent->accept($visitor);
-                    my $child = $visitor->getResult;
-                    unless ($child) {
-                        $child = $parent->addChild( Tree::Simple->new($part) );
-                        $visitor->setSearchPath($part);
-                        $parent->accept($visitor);
-                        $child = $visitor->getResult;
-                    }
-                    $parent = $child;
-                }
-                my $uid = $parent->getUID;
-                $self->actions->{private}->{$uid}->{$name} = [ $class, $code ];
-                $name = "!$name";
-            }
-            else { $self->actions->{plain}->{$name} = [ $class, $code ] }
-            my $reverse = $prefix ? "$name ($prefix)" : $name;
-            $self->actions->{reverse}->{"$code"} = $reverse;
-            $self->log->debug(qq/"$class" defined "$name" as "$code"/)
-              if $self->debug;
+            $self->set_action( $name, $code, caller(0) );
         }
     }
     return 1;
 }
 
-=item $c->find_action( $name, $namespace )
-
-Find an action in a given namespace.
-
-=cut
-
-sub find_action {
-    my ( $c, $action, $namespace ) = @_;
-    $namespace ||= '';
-    if ( $action =~ /^\!(.*)/ ) {
-        $action = $1;
-        my $parent  = $c->tree;
-        my $result  = $c->actions->{private}->{ $parent->getUID }->{$action};
-        my $visitor = Tree::Simple::Visitor::FindByPath->new;
-        for my $part ( split '/', $namespace ) {
-            $visitor->setSearchPath($part);
-            $parent->accept($visitor);
-            my $child = $visitor->getResult;
-            my $uid   = $child->getUID if $child;
-            my $match = $c->actions->{private}->{$uid}->{$action} if $uid;
-            $result = $match if $match;
-            $parent = $child if $child;
-        }
-        return [$result] if $result;
-    }
-    elsif ( my $p = $c->actions->{plain}->{$action} ) { return [$p] }
-    elsif ( my $r = $c->actions->{regex}->{$action} ) { return [$r] }
-    else {
-        for my $regex ( keys %{ $c->actions->{compiled} } ) {
-            my $name = $c->actions->{compiled}->{$regex};
-            if ( $action =~ $regex ) {
-                my @snippets;
-                for my $i ( 1 .. 9 ) {
-                    no strict 'refs';
-                    last unless ${$i};
-                    push @snippets, ${$i};
-                }
-                return [ $c->actions->{regex}->{$name}, $name, \@snippets ];
-            }
-        }
-    }
-    return 0;
-}
-
 =item $c->benchmark($coderef)
 
 Takes a coderef with arguments and returns elapsed time as float.
@@ -381,24 +299,37 @@ sub forward {
     if ( $command =~ /^\!/ ) {
         $namespace = _class2prefix($caller);
     }
-    my ( $class, $code );
-    if ( my $action = $c->find_action( $command, $namespace ) ) {
-        if ( $action->[2] ) {
-            $c->log->debug(qq/Couldn't forward "$command" to regex action/)
-              if $c->debug;
-            return 0;
+    my $results = $c->get_action( $command, $namespace );
+    if ( @{$results} ) {
+        if ( $command =~ /^\!/ ) {
+            for my $result ( @{$results} ) {
+                my ( $class, $code ) = @{ $result->[0] };
+                $c->state( $c->process( $class, $code ) );
+            }
+        }
+        else {
+            return 0 unless my $result = $results->[0];
+            if ( $result->[2] ) {
+                $c->log->debug(qq/Couldn't forward "$command" to regex action/)
+                  if $c->debug;
+                return 0;
+            }
+            my ( $class, $code ) = @{ $result->[0] };
+            $class = $c->components->{$class} || $class;
+            $c->state( $c->process( $class, $code ) );
         }
-        ( $class, $code ) = @{ $action->[0] };
     }
     else {
-        $class = $command;
+        my $class = $command;
         if ( $class =~ /[^\w\:]/ ) {
             $c->log->debug(qq/Couldn't forward to "$class"/) if $c->debug;
             return 0;
         }
         my $method = shift || 'process';
-        if ( $code = $class->can($method) ) {
+        if ( my $code = $class->can($method) ) {
             $c->actions->{reverse}->{"$code"} = "$class->$method";
+            $class = $c->comp($class) || $class;
+            $c->state( $c->process( $class, $code ) );
         }
         else {
             $c->log->debug(qq/Couldn't forward to "$class->$method"/)
@@ -406,17 +337,67 @@ sub forward {
             return 0;
         }
     }
-    $class = $c->components->{$class} || $class;
-    return $c->process( $class, $code );
+    return $c->state;
 }
 
-=item $c->handler($r)
+=item $c->get_action( $action, $namespace )
+
+Get an action in a given namespace.
+
+=cut
+
+sub get_action {
+    my ( $c, $action, $namespace ) = @_;
+    $namespace ||= '';
+    if ( $action =~ /^\!(.*)/ ) {
+        $action = $1;
+        my $parent = $c->tree;
+        my @results;
+        my $result = $c->actions->{private}->{ $parent->getUID }->{$action};
+        push @results, [$result] if $result;
+        my $visitor = Tree::Simple::Visitor::FindByPath->new;
+        my $local;
+        for my $part ( split '/', $namespace ) {
+            $local = undef;
+            $visitor->setSearchPath($part);
+            $parent->accept($visitor);
+            my $child = $visitor->getResult;
+            my $uid   = $child->getUID if $child;
+            my $match = $c->actions->{private}->{$uid}->{$action} if $uid;
+            return [ [$match] ] if ( $match && $match =~ /^?.*/ );
+            $local = $c->actions->{private}->{$uid}->{"?$action"} if $uid;
+            push @results, [$match] if $match;
+            $parent = $child if $child;
+        }
+        return [ [$local] ] if $local;
+        return \@results;
+    }
+    elsif ( my $p = $c->actions->{plain}->{$action} ) { return [ [$p] ] }
+    elsif ( my $r = $c->actions->{regex}->{$action} ) { return [ [$r] ] }
+    else {
+        for my $regex ( keys %{ $c->actions->{compiled} } ) {
+            my $name = $c->actions->{compiled}->{$regex};
+            if ( $action =~ $regex ) {
+                my @snippets;
+                for my $i ( 1 .. 9 ) {
+                    no strict 'refs';
+                    last unless ${$i};
+                    push @snippets, ${$i};
+                }
+                return [ [ $c->actions->{regex}->{$name}, $name, \@snippets ] ];
+            }
+        }
+    }
+    return [];
+}
+
+=item $c->handler( $class, $r )
 
 Handles the request.
 
 =cut
 
-sub handler {
+sub handler ($$) {
     my ( $class, $r ) = @_;
 
     # Always expect worst case!
@@ -428,15 +409,21 @@ sub handler {
             my $namespace = '';
             $namespace = join '/', @{ $c->req->args } if $action eq '!default';
             unless ($namespace) {
-                if ( my $result = $c->find_action($action) ) {
-                    $namespace = _class2prefix( $result->[0]->[0] );
+                if ( my $result = $c->get_action($action) ) {
+                    $namespace = _class2prefix( $result->[0]->[0]->[0] );
                 }
             }
-            if ( my $begin = $c->find_action( '!begin', $namespace ) ) {
-                $c->process( @{ $begin->[0] } );
-            }
-            if ( my $result = $c->find_action( $action, $namespace ) ) {
-                $c->process( @{ $result->[0] } );
+            my $results = $c->get_action( $action, $namespace );
+            if ( @{$results} ) {
+                for my $begin ( @{ $c->get_action( '!begin', $namespace ) } ) {
+                    $c->state( $c->process( @{ $begin->[0] } ) );
+                }
+                for my $result ( @{ $c->get_action( $action, $namespace ) } ) {
+                    $c->state( $c->process( @{ $result->[0] } ) );
+                }
+                for my $end ( @{ $c->get_action( '!end', $namespace ) } ) {
+                    $c->state( $c->process( @{ $end->[0] } ) );
+                }
             }
             else {
                 my $path  = $c->req->path;
@@ -446,9 +433,6 @@ sub handler {
                 $c->log->error($error) if $c->debug;
                 $c->errors($error);
             }
-            if ( my $end = $c->find_action( '!end', $namespace ) ) {
-                $c->process( @{ $end->[0] } );
-            }
             return $c->finalize;
         };
         if ( $class->debug ) {
@@ -490,7 +474,8 @@ sub prepare {
         response => Catalyst::Response->new(
             { cookies => {}, headers => HTTP::Headers->new, status => 200 }
         ),
-        stash => {}
+        stash => {},
+        state => 0
     }, $class;
     if ( $c->debug ) {
         my $secs = time - $START || 1;
@@ -539,7 +524,7 @@ sub prepare_action {
     $c->req->args( \my @args );
     while (@path) {
         $path = join '/', @path;
-        if ( my $result = $c->find_action($path) ) {
+        if ( my $result = ${ $c->get_action($path) }[0] ) {
 
             # It's a regex
             if ($#$result) {
@@ -570,7 +555,7 @@ sub prepare_action {
       if ( $c->debug && @args );
 }
 
-=item $c->prepare_connection;
+=item $c->prepare_connection
 
 Prepare connection.
 
@@ -578,7 +563,7 @@ Prepare connection.
 
 sub prepare_connection { }
 
-=item $c->prepare_cookies;
+=item $c->prepare_cookies
 
 Prepare cookies.
 
@@ -658,6 +643,14 @@ sub process {
     return $status;
 }
 
+=item $c->run
+
+Starts the engine.
+
+=cut
+
+sub run { }
+
 =item $c->request
 
 =item $c->req
@@ -674,6 +667,53 @@ Returns a C<Catalyst::Response> object.
 
     my $res = $c->res;
 
+=item $c->set_action( $action, $code, $namespace )
+
+Set an action in a given namespace.
+
+=cut
+
+sub set_action {
+    my ( $c, $action, $code, $namespace ) = @_;
+    my $prefix = '';
+    if ( $action =~ /^\?(.*)$/ ) {
+        my $prefix = $1 || '';
+        $action = $2;
+        $action = $prefix . _prefix( $namespace, $action );
+        $c->actions->{plain}->{$action} = [ $namespace, $code ];
+    }
+    elsif ( $action =~ /^\/(.*)\/$/ ) {
+        my $regex = $1;
+        $c->actions->{compiled}->{qr#$regex#} = $action;
+        $c->actions->{regex}->{$action} = [ $namespace, $code ];
+    }
+    elsif ( $action =~ /^\!(.*)$/ ) {
+        $action = $1;
+        my $parent  = $c->tree;
+        my $visitor = Tree::Simple::Visitor::FindByPath->new;
+        $prefix = _class2prefix($namespace);
+        for my $part ( split '/', $prefix ) {
+            $visitor->setSearchPath($part);
+            $parent->accept($visitor);
+            my $child = $visitor->getResult;
+            unless ($child) {
+                $child = $parent->addChild( Tree::Simple->new($part) );
+                $visitor->setSearchPath($part);
+                $parent->accept($visitor);
+                $child = $visitor->getResult;
+            }
+            $parent = $child;
+        }
+        my $uid = $parent->getUID;
+        $c->actions->{private}->{$uid}->{$action} = [ $namespace, $code ];
+        $action = "!$action";
+    }
+    else { $c->actions->{plain}->{$action} = [ $namespace, $code ] }
+    my $reverse = $prefix ? "$action ($prefix)" : $action;
+    $c->actions->{reverse}->{"$code"} = $reverse;
+    $c->log->debug(qq/"$namespace" defined "$action" as "$code"/) if $c->debug;
+}
+
 =item $class->setup
 
 Setup.
@@ -750,13 +790,14 @@ sub stash {
 sub _prefix {
     my ( $class, $name ) = @_;
     my $prefix = _class2prefix($class);
+    warn "$class - $name - $prefix";
     $name = "$prefix/$name" if $prefix;
     return $name;
 }
 
 sub _class2prefix {
-    my $class = shift;
-    $class =~ /^.*::([MVC]|Model|View|Controller)+::(.*)$/;
+    my $class = shift || '';
+    $class =~ /^.*::([MVC]|Model|View|Controller)?::(.*)$/;
     my $prefix = lc $2 || '';
     $prefix =~ s/\:\:/\//g;
     return $prefix;