From 145714edebd9af891836d10ea17cab5007833e87 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=A9my=20Zurcher?= <jeremy@asynk.ch>
Date: Thu, 5 Jan 2012 10:19:49 +0100
Subject: implement engine cache

---
 TODO                        | 5 ++++-
 lib/zorglub/app.rb          | 2 ++
 lib/zorglub/config.rb       | 1 +
 lib/zorglub/engines/haml.rb | 7 ++++++-
 lib/zorglub/node.rb         | 6 +++++-
 5 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/TODO b/TODO
index 6604f42..c4684ef 100644
--- a/TODO
+++ b/TODO
@@ -1,5 +1,8 @@
-- compiled templates cache
+TODO
 - static pages
 - development and production modes
 - minimized html/js/css
 - encoding mime-type
+
+MAYBE
+- app.config instead of Zorglub::Config
diff --git a/lib/zorglub/app.rb b/lib/zorglub/app.rb
index 635f511..fa4ff6b 100644
--- a/lib/zorglub/app.rb
+++ b/lib/zorglub/app.rb
@@ -11,7 +11,9 @@ module Zorglub
             @map = map
             instance_eval &block if block_given?
             remap @map
+            @engines_cache = { }
         end
+        attr_reader :engines_cache
         #
         def map location, object
             return unless location and object
diff --git a/lib/zorglub/config.rb b/lib/zorglub/config.rb
index d648958..26fd449 100644
--- a/lib/zorglub/config.rb
+++ b/lib/zorglub/config.rb
@@ -13,6 +13,7 @@ module Zorglub
             :session_key => 'zorglub.sid',
             :session_secret => 'session-secret-secret',
             :session_sid_len => 64,
+            :engines_cache_enabled => true,
             :haml_options => {
                 :format => :html5,
                 :ugly => false,
diff --git a/lib/zorglub/engines/haml.rb b/lib/zorglub/engines/haml.rb
index 8c7bce0..8cfb847 100644
--- a/lib/zorglub/engines/haml.rb
+++ b/lib/zorglub/engines/haml.rb
@@ -7,7 +7,12 @@ module Zorglub
     module Engines
         module Haml
             def self.proc path,obj
-                haml = ::Haml::Engine.new( File.open(path,'r').read, Zorglub::Config.haml_options )
+                if Zorglub::Config.engines_cache_enabled
+                    key = path.sub Zorglub::Config.root,''
+                    haml = obj.app.engines_cache[key] ||= ::Haml::Engine.new( File.open(path,'r').read, Zorglub::Config.haml_options )
+                else
+                    haml = ::Haml::Engine.new( File.open(path,'r').read, Zorglub::Config.haml_options )
+                end
                 html = haml.render(obj)
                 return html, 'text/html'
             end
diff --git a/lib/zorglub/node.rb b/lib/zorglub/node.rb
index 2e46bdf..68e535b 100644
--- a/lib/zorglub/node.rb
+++ b/lib/zorglub/node.rb
@@ -41,7 +41,7 @@ module Zorglub
                 var
             end
             #
-            attr_writer :app
+            attr_accessor :app
             def map app, location
                 @app = app
                 @app.map location, self
@@ -176,6 +176,10 @@ module Zorglub
             d
         end
         #
+        def app
+            self.class.app
+        end
+        #
         def args
             @options[:args]
         end
-- 
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