wrap in layout

lib/autoblog.rb

@@ -9,6 +9,9 @@ require 'time'
 
 # stdlib
 
+# 3rd party
+require 'liquid'
+
 # internal requires
 require 'autoblog/site'
 require 'autoblog/post'

lib/autoblog/post.rb

@@ -8,7 +8,7 @@ module AutoBlog
     end
     
     attr_accessor :date, :slug, :ext
-    attr_accessor :data, :contents
+    attr_accessor :data, :content
     
     def initialize(base, name)
       @base = base
@@ -16,6 +16,7 @@ module AutoBlog
       
       self.process(name)
       self.read_yaml(base, name)
+      self.set_defaults
     end
     
     def process(name)
@@ -30,14 +31,28 @@ module AutoBlog
     end
     
     def read_yaml(base, name)
-      self.contents = File.read(File.join(base, name))
+      self.content = File.read(File.join(base, name))
       
-      if self.contents =~ /^(---\n.*?)\n---\n/
-        self.contents = self.contents[($1.size + 5)..-1]
+      if self.content =~ /^(---\n.*?)\n---\n/
+        self.content = self.content[($1.size + 5)..-1]
         
         self.data = YAML.load($1)
       end
     end
+    
+    def set_defaults
+      self.data["layout"] ||= "default"
+    end
+    
+    def add_layout(layouts)
+      payload = {"page" => self.data}
+      self.content = Liquid::Template.parse(self.content).render(payload)
+      
+      layout = layouts[self.data["layout"]] || self.content
+      payload = {"content" => self.content, "page" => self.data}
+      
+      self.content = Liquid::Template.parse(layout).render(payload)
+    end
   end
 
 end

lib/autoblog/site.rb

@@ -45,7 +45,7 @@ module AutoBlog
     
     def write_posts
       self.posts.each do |post|
-        
+        post.add_layout(self.layouts)
       end
     end
   end

test/test_post.rb

@@ -31,6 +31,14 @@ class TestPost < Test::Unit::TestCase
     p.read_yaml(File.join(File.dirname(__FILE__), *%w[source posts]), "2008-10-18-foo-bar.textile")
     
     assert_equal({"title" => "Foo Bar"}, p.data)
-    assert_equal "\nh1. {{ page.title }}\n\nBest post ever", p.contents
+    assert_equal "\nh1. {{ page.title }}\n\nBest post ever", p.content
+  end
+  
+  def test_add_layout
+    p = Post.new(File.join(File.dirname(__FILE__), *%w[source posts]), "2008-10-18-foo-bar.textile")
+    layouts = {"default" => "<<< {{ content }} >>>"}
+    p.add_layout(layouts)
+    
+    assert_equal "<<< \nh1. Foo Bar\n\nBest post ever >>>", p.content
   end
 end