1 files changed, 41 insertions, 0 deletions
diff --git a/actionpack/lib/action_view/path_set.rb b/actionpack/lib/action_view/path_set.rb
new file mode 100644
index 0000000000..e3de3e1eac
--- /dev/null
+++ b/actionpack/lib/action_view/path_set.rb
@@ -0,0 +1,41 @@
+module ActionView #:nodoc:
+  # = Action View PathSet
+  class PathSet < Array #:nodoc:
+    %w(initialize << concat insert push unshift).each do |method|
+      class_eval <<-METHOD, __FILE__, __LINE__ + 1
+        def #{method}(*args)
+          super
+          typecast!
+        end
+      METHOD
+    end
+
+    def find(*args)
+      find_all(*args).first || raise(MissingTemplate.new(self, *args))
+    end
+
+    def find_all(path, prefixes = [], *args)
+      prefixes.each do |prefix|
+        each do |resolver|
+          templates = resolver.find_all(path, prefix, *args)
+          return templates unless templates.empty?
+        end
+      end
+      []
+    end
+
+    def exists?(*args)
+      find_all(*args).any?
+    end
+
+  protected
+
+    def typecast!
+      each_with_index do |path, i|
+        path = path.to_s if path.is_a?(Pathname)
+        next unless path.is_a?(String)
+        self[i] = FileSystemResolver.new(path)
+      end
+    end
+  end
+end