Implied extensions. Closes #304

middleman-core/lib/middleman-core/core_extensions/rendering.rb

@@ -33,6 +33,11 @@ module Middleman::CoreExtensions::Rendering
     
     # Override init to clear cache on file removal
     def initialize
+      # Default extension map
+      @_template_extensions = {
+        
+      }
+      
       super
       
       static_path = source_dir.sub(self.root, "").sub(/^\//, "")
@@ -44,6 +49,14 @@ module Middleman::CoreExtensions::Rendering
       end
     end
     
+    # Add or overwrite a default template extension
+    #
+    # @param [Hash] extension_map
+    # @return [void]
+    def template_extensions(extension_map={})
+      @_template_extensions.merge!(extension_map)
+    end
+    
     # Render a template, with layout, given a path
     #
     # @param [String] path

middleman-core/lib/middleman-core/renderers/erb.rb

@@ -10,6 +10,10 @@ module Middleman::Renderers::ERb
       app.set :erb_engine, :erb
       app.set :erb_engine_prefix, ::Tilt
       
+      app.before_configuration do
+        template_extensions :erb => :html
+      end
+      
       # After config
       app.after_configuration do
         # Find the user's prefered engine

middleman-core/lib/middleman-core/sitemap/store.rb

@@ -176,6 +176,15 @@ module Middleman::Sitemap
           end
         end
 
+        # If there is no extension, look for one
+        if File.extname(path).empty?
+          input_ext = File.extname(file).split(".").last.to_sym
+          
+          if app.template_extensions.has_key?(input_ext)
+            path << ".#{app.template_extensions[input_ext]}"
+          end
+        end
+        
         path
       end
     end

middleman-core/lib/middleman-core/step_definitions/server_steps.rb

@@ -21,9 +21,7 @@ Given /^current environment is "([^\"]*)"$/ do |env|
   @current_env = env.to_sym
 end
 
-Given /^the Server is running at "([^\"]*)"$/ do |app_path|
-  step %Q{a fixture app "#{app_path}"}
-    
+Given /^the Server is running$/ do
   root_dir = File.expand_path(current_dir)
 
   if File.exists?(File.join(root_dir, "source"))
@@ -49,6 +47,11 @@ Given /^the Server is running at "([^\"]*)"$/ do |app_path|
   @browser = ::Rack::Test::Session.new(::Rack::MockSession.new(app_rack))
 end
 
+Given /^the Server is running at "([^\"]*)"$/ do |app_path|
+  step %Q{a fixture app "#{app_path}"}
+  step %Q{the Server is running}
+end
+
 When /^I go to "([^\"]*)"$/ do |url|
   @browser.get(url)
 end