X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=catagits%2FCatalyst-Runtime.git;a=blobdiff_plain;f=lib%2FCatalyst%2FActionChain.pm;h=0b58602c72e2d5d90753355876dbbcad15ea8c11;hp=fc39f0974bc3d4b87e19b7cbd4310c1f3315efc2;hb=342d21698a97962c51114b6ebc6bb8626511cfc6;hpb=e8361cf8fc1d23adf4a14a81726477c48a80449e

diff --git a/lib/Catalyst/ActionChain.pm b/lib/Catalyst/ActionChain.pm
index fc39f09..0b58602 100644
--- a/lib/Catalyst/ActionChain.pm
+++ b/lib/Catalyst/ActionChain.pm
@@ -61,6 +61,22 @@ sub number_of_captures {
     return $captures;
 }
 
+# the scheme defined at the end of the chain is the one we use
+# but warn if too many.
+
+sub scheme {
+  my $self = shift;
+  my @chain = @{ $self->chain };
+  my ($scheme, @more) = map {
+    exists $_->attributes->{Scheme} ? $_->attributes->{Scheme}[0] : ();
+  } reverse @chain;
+
+  warn "$self is a chain with two many Scheme attributes (only one is allowed)"
+    if @more;
+
+  return $scheme;
+}
+
 __PACKAGE__->meta->make_immutable;
 1;
 
@@ -87,6 +103,10 @@ Catalyst::ActionChain object representing a chain of these actions
 
 Returns the total number of captures for the entire chain of actions.
 
+=head2 scheme
+
+Any defined scheme for the actionchain
+
 =head2 meta
 
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