add Node#partial

2 files changed, 25 insertions, 9 deletions

diff --git a/examples/sample.ru b/examples/sample.ru
index 00d1b7a..67937ac 100644
--- a/examples/sample.ru
+++ b/examples/sample.ru
@@ -70,9 +70,13 @@ class Node2 < Zorglub::Node
     def meth0 *args
         # instance level css
         css 'instance_level.css'
-        "<title>Node2:meth0</title><b>START</b>#{html}<a href=#{Node0.r}>back</a><br/><b>END</b>"
+        "<title>Node2:meth0</title><b>START</b>#{html}<a href=#{Node2.r(:meth1,1,2)}>next</a><br/><b>END</b>"
     end
     #
+    def meth1 *args
+        more = Node2.partial :meth0, *args
+        "<title>Node2:meth1</title><b>partial</b><br/>#{more}<br/><b>done</b><br/><a href=#{Node0.r}>back</a>"
+    end
 end
 #
 class Node3 < Zorglub::Node
diff --git a/lib/zorglub/node.rb b/lib/zorglub/node.rb
index a161cb6..6e0989f 100644
--- a/lib/zorglub/node.rb
+++ b/lib/zorglub/node.rb
@@ -32,7 +32,14 @@ module Zorglub
                 meth||= 'index'
                 node = self.new env, {:engine=>engine,:layout=>layout,:view=>r(meth),:method=>meth,:args=>args}
                 return error_404 node if not node.respond_to? meth
-                node.realize
+                node.realize!
+            end
+            #
+            def partial meth, *args
+                node = self.new nil, {:engine=>engine,:layout=>'',:view=>r(meth),:method=>meth.to_s,:args=>args}
+                return error_404 node if not node.respond_to? meth
+                node.feed!
+                node.content
             end
             #
             def error_404 node
@@ -45,7 +52,7 @@ module Zorglub
             #
         end
         #
-        attr_reader :action, :request, :response
+        attr_reader :action, :request, :response, :content
         #
         def initialize env, action
             @env = env
@@ -54,19 +61,24 @@ module Zorglub
             @response = Rack::Response.new
         end
         #
-        def realize
+        def realize!
             catch(:stop_realize) {
-                @content = self.send @action[:method], *@action[:args]
-                e, v, l = Config.engine_proc(@action[:engine]), view, layout
-                # TODO compile and cache
-                @content = e.call v, self if e and File.exists? v
-                @content = e.call l, self if e and File.exists? l
+                feed!
                 response.write @content
                 response.finish
                 response
             }
         end
         #
+        def feed!
+            @content = self.send @action[:method], *@action[:args]
+            e, v, l = Config.engine_proc(@action[:engine]), view, layout
+            # TODO compile and cache
+            @content = e.call v, self if e and File.exists? v
+            @content = e.call l, self if e and File.exists? l
+            @content
+        end
+        #
         def redirect target, options={}, &block
             status = options[:status] || 302
             body   = options[:body] || redirect_body(target)