add partial render method

This enables the user to render partial templates to embed them into
other templates and the like.

1 files changed, 13 insertions, 6 deletions

diff --git a/lib/zero/renderer.rb b/lib/zero/renderer.rb
index f1930ea..d650ba2 100644
--- a/lib/zero/renderer.rb
+++ b/lib/zero/renderer.rb
@@ -71,19 +71,26 @@ module Zero
     # @return [String] the result of rendering
     def render(template, types, context)
       unless templates.exist_for_types?(layout, types)
-        return load_template(template, types).render(context) 
+        return render_partial(template, types, context)
       end
       load_layout_template(types).render(context) do
-        load_template(template, types).render(context)
+        render_partial(template, types, context)
       end
     end
 
-    private
-
-    def load_template(template, types)
-      templates.get(template, types)
+    # render a template without layout
+    #
+    # This can be used to render a template without using a layout.
+    # @param template [String] the template to render
+    # @param types [Array<String>] a list of types requested to render
+    # @param context [Object] any object to use for rendering
+    # @return [String] the result of rendering
+    def render_partial(template, types, context)
+      templates.get(template, types).render(context)
     end
 
+    private
+
     def load_layout_template(types)
       templates.get(layout, types)
     end