X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FCatalyst%2FEngine.pm;h=b477b4c5921e499f84db979c0a9fe1e482746c08;hb=f8568ac8fb1ae94ac4ed01a5ac1812b93af422be;hp=70d07082991419c5fa39c70349b5b5cef75e8457;hpb=b676386894f30ba0b4c7291d466316454bd46113;p=catagits%2FCatalyst-Runtime.git

diff --git a/lib/Catalyst/Engine.pm b/lib/Catalyst/Engine.pm
index 70d0708..b477b4c 100644
--- a/lib/Catalyst/Engine.pm
+++ b/lib/Catalyst/Engine.pm
@@ -18,10 +18,10 @@ 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 => {} }
+    { plain => {}, private => {}, regex => {}, compiled => [], reverse => {} }
 );
 __PACKAGE__->tree( Tree::Simple->new( 0, Tree::Simple->ROOT ) );
 
@@ -48,110 +48,6 @@ See L<Catalyst>.
 
 =over 4
 
-=item $c->action( $name => $coderef, ... )
-
-Add one or more actions.
-
-    $c->action( '!foo' => sub { $_[1]->res->output('Foo!') } );
-
-It also automatically calls setup() if needed.
-
-See L<Catalyst::Manual::Intro> for more informations about actions.
-
-=cut
-
-sub action {
-    my $self = shift;
-    $self->setup unless $self->components;
-    $self->actions( {} ) unless $self->actions;
-    my $action;
-    $_[1] ? ( $action = {@_} ) : ( $action = shift );
-    if ( ref $action eq 'HASH' ) {
-        while ( my ( $name, $code ) = each %$action ) {
-            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;
-                for my $part ( split '/', _class2prefix($class) ) {
-                    $visitor->setSearchPath($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 ];
-            }
-            else { $self->actions->{plain}->{$name} = [ $class, $code ] }
-            $self->actions->{reverse}->{"$code"} = $name;
-            $self->log->debug(qq/"$class" defined "$name" as "$code"/)
-              if $self->debug;
-        }
-    }
-    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.
@@ -196,27 +92,27 @@ sub component {
     }
 }
 
-=item $c->errors
+=item $c->error
 
-=item $c->errors($error, ...)
+=item $c->error($error, ...)
 
-=item $c->errors($arrayref)
+=item $c->error($arrayref)
 
-Returns an arrayref containing errors messages.
+Returns an arrayref containing error messages.
 
-    my @errors = @{ $c->errors };
+    my @error = @{ $c->error };
 
 Add a new error.
 
-    $c->errors('Something bad happened');
+    $c->error('Something bad happened');
 
 =cut
 
-sub errors {
+sub error {
     my $c = shift;
-    my $errors = ref $_[0] eq 'ARRAY' ? $_[0] : [@_];
-    push @{ $c->{errors} }, @$errors;
-    return $c->{errors};
+    my $error = ref $_[0] eq 'ARRAY' ? $_[0] : [@_];
+    push @{ $c->{error} }, @$error;
+    return $c->{error};
 }
 
 =item $c->finalize
@@ -234,13 +130,13 @@ sub finalize {
         $c->res->status(302);
     }
 
-    if ( !$c->res->output || $#{ $c->errors } >= 0 ) {
+    if ( !$c->res->output || $#{ $c->error } >= 0 ) {
         $c->res->headers->content_type('text/html');
         my $name = $c->config->{name} || 'Catalyst Application';
-        my ( $title, $errors, $infos );
+        my ( $title, $error, $infos );
         if ( $c->debug ) {
-            $errors = join '<br/>', @{ $c->errors };
-            $errors ||= 'No output';
+            $error = join '<br/>', @{ $c->error };
+            $error ||= 'No output';
             $title = $name = "$name on Catalyst $Catalyst::VERSION";
             my $req   = encode_entities Dumper $c->req;
             my $res   = encode_entities Dumper $c->res;
@@ -256,9 +152,9 @@ sub finalize {
 
         }
         else {
-            $title  = $name;
-            $errors = '';
-            $infos  = <<"";
+            $title = $name;
+            $error = '';
+            $infos = <<"";
 <pre>
 (en) Please come back later
 (de) Bitte versuchen sie es spaeter nocheinmal
@@ -292,7 +188,7 @@ sub finalize {
                 margin: 10px;
                 -moz-border-radius: 10px;
             }
-            div.errors {
+            div.error {
                 background-color: #977;
                 border: 1px solid #755;
                 padding: 8px;
@@ -319,7 +215,7 @@ sub finalize {
     </head>
     <body>
         <div class="box">
-            <div class="errors">$errors</div>
+            <div class="error">$error</div>
             <div class="infos">$infos</div>
             <div class="name">$name</div>
         </div>
@@ -351,11 +247,11 @@ sub finalize_output { }
 
 =item $c->forward($command)
 
-Forward processing to a private/public action or a method from a class.
+Forward processing to a private action or a method from a class.
 If you define a class without method it will default to process().
 
-    $c->forward('!foo');
-    $c->forward('index.html');
+    $c->forward('foo');
+    $c->forward('index');
     $c->forward(qw/MyApp::Model::CDBI::Foo do_stuff/);
     $c->forward('MyApp::View::TT');
 
@@ -368,33 +264,21 @@ sub forward {
         $c->log->debug('Nothing to forward to') if $c->debug;
         return 0;
     }
-    my $caller = caller(0);
-    if ( $command =~ /^\?(.*)$/ ) {
-        $command = $1;
-        $command = _prefix( $caller, $command );
-    }
-    my $namespace = '';
-    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;
-        }
-        ( $class, $code ) = @{ $action->[0] };
-    }
-    else {
-        $class = $command;
+    my $caller    = caller(0);
+    my $namespace = '/';
+    if ( $command =~ /^\/(.*)$/ ) { $command = $1 }
+    else { $namespace = _class2prefix($caller) || '/' }
+    my $results = $c->get_action( $command, $namespace );
+    unless ( @{$results} ) {
+        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";
+            $results = [ [ [ $class, $code ] ] ];
         }
         else {
             $c->log->debug(qq/Couldn't forward to "$class->$method"/)
@@ -402,17 +286,69 @@ sub forward {
             return 0;
         }
     }
-    $class = $c->components->{$class} || $class;
-    return $c->process( $class, $code );
+    for my $result ( @{$results} ) {
+        $c->state( $c->execute( @{ $result->[0] } ) );
+    }
+    return $c->state;
+}
+
+=item $c->get_action( $action, $namespace )
+
+Get an action in a given namespace.
+
+=cut
+
+sub get_action {
+    my ( $c, $action, $namespace ) = @_;
+    $namespace ||= '';
+    if ($namespace) {
+        $namespace = '' if $namespace eq '/';
+        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;
+        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 $uid;
+            if ($match) {
+                $action eq 'end' ? unshift @results, [$match] : push @results,
+                  [$match];
+            }
+            $parent = $child if $child;
+        }
+        return \@results;
+    }
+    elsif ( my $p = $c->actions->{plain}->{$action} ) { return [ [$p] ] }
+    elsif ( my $r = $c->actions->{regex}->{$action} ) { return [ [$r] ] }
+    else {
+        for my $i ( 0 .. $#{ $c->actions->{compiled} } ) {
+            my $name  = $c->actions->{compiled}->[$i]->[0];
+            my $regex = $c->actions->{compiled}->[$i]->[1];
+            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 $c->handler($r)
+=item $c->handler( $class, $r )
 
 Handles the request.
 
 =cut
 
-sub handler {
+sub handler ($$) {
     my ( $class, $r ) = @_;
 
     # Always expect worst case!
@@ -422,17 +358,27 @@ sub handler {
             my $c         = $class->prepare($r);
             my $action    = $c->req->action;
             my $namespace = '';
-            $namespace = join '/', @{ $c->req->args } if $action eq '!default';
+            $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 $default = $action eq 'default' ? $namespace : undef;
+            my $results = $c->get_action( $action, $default );
+            $namespace ||= '/';
+            if ( @{$results} ) {
+                for my $begin ( @{ $c->get_action( 'begin', $namespace ) } ) {
+                    $c->state( $c->execute( @{ $begin->[0] } ) );
+                }
+                for my $result ( @{ $c->get_action( $action, $default ) } ) {
+                    $c->state( $c->execute( @{ $result->[0] } ) );
+                    last unless $default;
+                }
+                for my $end ( @{ $c->get_action( 'end', $namespace ) } ) {
+                    $c->state( $c->execute( @{ $end->[0] } ) );
+                }
             }
             else {
                 my $path  = $c->req->path;
@@ -440,10 +386,7 @@ sub handler {
                   ? qq/Unknown resource "$path"/
                   : "No default action defined";
                 $c->log->error($error) if $c->debug;
-                $c->errors($error);
-            }
-            if ( my $end = $c->find_action( '!end', $namespace ) ) {
-                $c->process( @{ $end->[0] } );
+                $c->error($error);
             }
             return $c->finalize;
         };
@@ -466,7 +409,8 @@ sub handler {
 
 =item $c->prepare($r)
 
-Turns the engine-specific request (Apache, CGI...) into a Catalyst context.
+Turns the engine-specific request( Apache, CGI ... )
+into a Catalyst context .
 
 =cut
 
@@ -486,7 +430,8 @@ 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;
@@ -535,7 +480,7 @@ 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) {
@@ -559,14 +504,14 @@ sub prepare_action {
         unshift @args, pop @path;
     }
     unless ( $c->req->action ) {
-        $c->req->action('!default');
+        $c->req->action('default');
         $c->req->match('');
     }
     $c->log->debug( 'Arguments are "' . join( '/', @args ) . '"' )
       if ( $c->debug && @args );
 }
 
-=item $c->prepare_connection;
+=item $c->prepare_connection
 
 Prepare connection.
 
@@ -574,7 +519,7 @@ Prepare connection.
 
 sub prepare_connection { }
 
-=item $c->prepare_cookies;
+=item $c->prepare_cookies
 
 Prepare cookies.
 
@@ -622,38 +567,47 @@ Prepare uploads.
 
 sub prepare_uploads { }
 
-=item $c->process($class, $coderef)
+=item $c->execute($class, $coderef)
 
-Process a coderef in given class and catch exceptions.
-Errors are available via $c->errors.
+Execute a coderef in given class and catch exceptions.
+Errors are available via $c->error.
 
 =cut
 
-sub process {
+sub execute {
     my ( $c, $class, $code ) = @_;
-    my $status;
+    $class = $c->comp($class) || $class;
+    $c->state(0);
     eval {
         if ( $c->debug )
         {
             my $action = $c->actions->{reverse}->{"$code"} || "$code";
-            my $elapsed;
-            ( $elapsed, $status ) =
+            my ( $elapsed, @state ) =
               $c->benchmark( $code, $class, $c, @{ $c->req->args } );
             $c->log->info( sprintf qq/Processing "$action" took %fs/, $elapsed )
               if $c->debug;
+            $c->state(@state);
         }
-        else { $status = &$code( $class, $c, @{ $c->req->args } ) }
+        else { $c->state( &$code( $class, $c, @{ $c->req->args } ) ) }
     };
     if ( my $error = $@ ) {
         chomp $error;
         $error = qq/Caught exception "$error"/;
         $c->log->error($error);
-        $c->errors($error) if $c->debug;
-        return 0;
+        $c->error($error) if $c->debug;
+        $c->state(0);
     }
-    return $status;
+    return $c->state;
 }
 
+=item $c->run
+
+Starts the engine.
+
+=cut
+
+sub run { }
+
 =item $c->request
 
 =item $c->req
@@ -670,6 +624,105 @@ Returns a C<Catalyst::Response> object.
 
     my $res = $c->res;
 
+=item $c->set_action( $action, $code, $namespace, $attrs )
+
+Set an action in a given namespace.
+
+=cut
+
+sub set_action {
+    my ( $c, $method, $code, $namespace, $attrs ) = @_;
+
+    my $prefix   = _class2prefix($namespace) || '';
+    my $action   = 0;
+    my $public   = 0;
+    my $regex    = 0;
+    my $arg      = '';
+    my $absolute = 0;
+
+    for my $attr ( @{$attrs} ) {
+        if ( $attr =~ /^Action$/ ) {
+            $action++;
+            $arg = $1 if $1;
+        }
+        elsif ( $attr =~ /^Path\((.+)\)$/i ) {
+            $arg = $1;
+            $public++;
+        }
+        elsif ( $attr =~ /^Public$/i ) {
+            $public++;
+        }
+        elsif ( $attr =~ /^Private$/i ) {
+            $action++;
+        }
+        elsif ( $attr =~ /Regex(?:\((.+)\))?$/i ) {
+            $regex++;
+            $action++;
+            $arg = $1 if $1;
+        }
+        elsif ( $attr =~ /Absolute(?:\((.+)\))?$/i ) {
+            $action++;
+            $absolute++;
+            $public++;
+            $arg = $1 if $1;
+        }
+        elsif ( $attr =~ /Relative(?:\((.+)\))?$/i ) {
+            $action++;
+            $public++;
+            $arg = $1 if $1;
+        }
+    }
+
+    return unless $action;
+
+    my $parent  = $c->tree;
+    my $visitor = Tree::Simple::Visitor::FindByPath->new;
+    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}->{$method} = [ $namespace, $code ];
+    my $forward = $prefix ? "$prefix/$method" : $method;
+    $c->log->debug(qq|Private "/$forward" is "$namespace->$method"|)
+      if $c->debug;
+
+    $arg =~ s/^\w+//;
+    $arg =~ s/\w+$//;
+    if ( $arg =~ /^'(.*)'$/ ) { $arg = $1 }
+    if ( $arg =~ /^"(.*)"$/ ) { $arg = $1 }
+
+    my $reverse = $prefix ? "$method ($prefix)" : $method;
+
+    if ($public) {
+        my $is_absolute = 0;
+        $is_absolute = 1 if $absolute;
+        if ( $arg =~ /^\/(.+)/ ) {
+            $arg         = $1;
+            $is_absolute = 1;
+        }
+        my $name =
+          $is_absolute ? ( $arg || $method ) : "$prefix/" . ( $arg || $method );
+        $c->actions->{plain}->{$name} = [ $namespace, $code ];
+        $c->log->debug(qq|Public "/$name" is "/$forward"|) if $c->debug;
+    }
+    if ($regex) {
+        push @{ $c->actions->{compiled} }, [ $arg, qr#$arg# ];
+        $c->actions->{regex}->{$arg} = [ $namespace, $code ];
+        $c->log->debug(qq|Public "$arg" is "/$forward"|) if $c->debug;
+    }
+
+    $c->actions->{reverse}->{"$code"} = $reverse;
+}
+
 =item $class->setup
 
 Setup.
@@ -687,6 +740,28 @@ sub setup {
     }
 }
 
+=item $class->setup_actions($component)
+
+Setup actions for a component.
+
+=cut
+
+sub setup_actions {
+    my ( $self, $comp ) = @_;
+    $comp = ref $comp || $comp;
+    for my $action ( @{ $comp->_cache } ) {
+        my ( $code, $attrs ) = @{$action};
+        my $name = '';
+        no strict 'refs';
+        for my $sym ( values %{ $comp . '::' } ) {
+            if ( *{$sym}{CODE} && *{$sym}{CODE} == $code ) {
+                $name = *{$sym}{NAME};
+                $self->set_action( $name, $code, $comp, $attrs );
+            }
+        }
+    }
+}
+
 =item $class->setup_components
 
 Setup components.
@@ -713,9 +788,11 @@ sub setup_components {
         $self->log->error(
             qq/Couldn't initialize "Module::Pluggable::Fast", "$error"/);
     }
+    $self->setup_actions($self);
     $self->components( {} );
-    for my $component ( $self->_components($self) ) {
-        $self->components->{ ref $component } = $component;
+    for my $comp ( $self->_components($self) ) {
+        $self->components->{ ref $comp } = $comp;
+        $self->setup_actions($comp);
     }
     $self->log->debug( 'Initialized components "'
           . join( ' ', keys %{ $self->components } )
@@ -751,8 +828,8 @@ sub _prefix {
 }
 
 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;