X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FCatalyst%2FUtils.pm;h=29a7959143b2ace28b3ab95273349027f0e44820;hb=318213cd42113e94d8a98a9e06542b7f31eb1557;hp=45f52e40a9ca20ffcd7439115ec5f1f479a5a910;hpb=9c74923de2304b8c8f0a7a2faa0854ad9b4d3a92;p=catagits%2FCatalyst-Runtime.git

diff --git a/lib/Catalyst/Utils.pm b/lib/Catalyst/Utils.pm
index 45f52e4..29a7959 100644
--- a/lib/Catalyst/Utils.pm
+++ b/lib/Catalyst/Utils.pm
@@ -9,6 +9,7 @@ use Carp qw/croak/;
 use Cwd;
 use Class::MOP;
 use String::RewritePrefix;
+use Class::Load ();
 
 use namespace::clean;
 
@@ -158,8 +159,31 @@ sub class2tempdir {
 
 Returns home directory for given class.
 
+=head2 dist_indicator_file_list
+
+Returns a list of files which can be tested to check if you're inside
+a CPAN distribution which is not yet installed.
+
+These are:
+
+=over
+
+=item Makefile.PL
+
+=item Build.PL
+
+=item dist.ini
+
+=item L<cpanfile>
+
+=back
+
 =cut
 
+sub dist_indicator_file_list {
+    qw{Makefile.PL Build.PL dist.ini cpanfile};
+}
+
 sub home {
     my $class = shift;
 
@@ -179,9 +203,7 @@ sub home {
             $home = $home->parent while $home =~ /b?lib$/;
 
             # only return the dir if it has a Makefile.PL or Build.PL or dist.ini
-            if (-f $home->file("Makefile.PL") or -f $home->file("Build.PL")
-                or -f $home->file("dist.ini")) {
-
+            if (grep { -f $home->file($_) } dist_indicator_file_list()) {
                 # clean up relative path:
                 # MyApp/script/.. -> MyApp
 
@@ -412,6 +434,55 @@ sub resolve_namespace {
     }, @classes);
 }
 
+=head2 build_middleware (@args)
+
+Internal application that converts a single middleware definition (see
+L<Catalyst/psgi_middleware>) into an actual instance of middleware.
+
+=cut
+
+sub build_middleware {
+    my ($class, $namespace, @init_args) = @_;
+
+    if(
+      $namespace =~s/^\+// ||
+      $namespace =~/^Plack::Middleware/ ||
+      $namespace =~/^$class/
+    ) {  ## the string is a full namespace
+        return Class::Load::try_load_class($namespace) ?
+          $namespace->new(@init_args) :
+            die "Can't load class $namespace";
+    } else { ## the string is a partial namespace
+        if(Class::Load::try_load_class("$class::$namespace")) { ## Load Middleware from Project namespace
+          return "$class::$namespace"->new(@init_args);
+        } elsif(Class::Load::try_load_class("Plack::Middleware::$namespace")) { ## Act like Plack::Builder
+          return "Plack::Middleware::$namespace"->new(@init_args);
+        }
+    }
+
+    return; ## be sure we can count on a proper return when valid
+}
+
+=head2 apply_registered_middleware ($psgi)
+
+Given a $psgi reference, wrap all the L<Catalyst/registered_middlewares>
+around it and return the wrapped version.
+
+This exists to deal with the fact Catalyst registered middleware can be
+either an object with a wrap method or a coderef.
+
+=cut
+
+sub apply_registered_middleware {
+    my ($class, $psgi) = @_;
+    my $new_psgi = $psgi;
+    foreach my $middleware ($class->registered_middlewares) {
+        $new_psgi = Scalar::Util::blessed $middleware ?
+          $middleware->wrap($new_psgi) :
+            $middleware->($new_psgi);
+    }
+    return $new_psgi;
+}
 
 =head1 AUTHORS