From f4fa1acd3ef102aabca1e0fae71518a420a5b9d9 Mon Sep 17 00:00:00 2001
From: Thomas Reynolds <me@tdreyno.com>
Date: Thu, 17 Nov 2011 19:56:55 -0800
Subject: [PATCH] experimental rack-only middleman

---
 lib/middleman.rb                              |  16 +-
 lib/middleman/base.rb                         | 513 +++++++++++-------
 lib/middleman/core_extensions/compass.rb      |  42 +-
 lib/middleman/core_extensions/features.rb     |  42 +-
 lib/middleman/core_extensions/file_watcher.rb |  24 +-
 lib/middleman/core_extensions/rack_map.rb     |  35 --
 lib/middleman/core_extensions/rendering.rb    |  40 --
 lib/middleman/core_extensions/sprockets.rb    |  12 +-
 lib/middleman/guard.rb                        |  11 +-
 lib/middleman/renderers/coffee_script.rb      |   8 -
 lib/middleman/renderers/erb.rb                |  19 +-
 lib/middleman/renderers/liquid.rb             |   5 +-
 lib/middleman/renderers/markdown.rb           |  21 +-
 middleman.gemspec                             |   6 +-
 14 files changed, 397 insertions(+), 397 deletions(-)
 delete mode 100644 lib/middleman/core_extensions/rack_map.rb
 delete mode 100644 lib/middleman/renderers/coffee_script.rb

diff --git a/lib/middleman.rb b/lib/middleman.rb
index 79a224a2..ebf32a3e 100755
--- a/lib/middleman.rb
+++ b/lib/middleman.rb
@@ -55,13 +55,11 @@
 libdir = File.dirname(__FILE__)
 $LOAD_PATH.unshift(libdir) unless $LOAD_PATH.include?(libdir)
 
-# We're riding on Sinatra, so let's include it.
-require "sinatra/base"
-
 # Top-level Middleman object
 module Middleman
   # Auto-load modules on-demand
   autoload :Base,        "middleman/base"
+  autoload :Hooks,       "middleman/hooks"
   autoload :Builder,     "middleman/builder"
   autoload :CLI,         "middleman/cli"
   autoload :Templates,   "middleman/templates"
@@ -86,9 +84,6 @@ module Middleman
     # Add Builder callbacks
     autoload :Builder,       "middleman/core_extensions/builder"
     
-    # Add Rack::Builder.map support
-    autoload :RackMap,       "middleman/core_extensions/rack_map"
-    
     # Custom Feature API
     autoload :Features,      "middleman/core_extensions/features"
   
@@ -181,9 +176,8 @@ module Middleman
   end
   
   def self.server(&block)
-    sandbox = Class.new(Sinatra::Base)
-    sandbox.register Base
-    sandbox.class_eval(&block) if block_given?
+    sandbox = Class.new(Middleman::Base)
+    # sandbox.class_eval(&block) if block_given?
     sandbox
   end
   
@@ -197,8 +191,8 @@ module Middleman
     opts[:app] = app_class
     opts[:server] = 'thin'
     
-    require "thin"
-    ::Thin::Logging.silent = true if options[:debug] != "true"
+    # require "thin"
+    # ::Thin::Logging.silent = true if options[:debug] != "true"
 
     server = ::Rack::Server.new(opts)
     server.start
diff --git a/lib/middleman/base.rb b/lib/middleman/base.rb
index 67924396..cd7ec853 100644
--- a/lib/middleman/base.rb
+++ b/lib/middleman/base.rb
@@ -1,134 +1,55 @@
+require "rack"
+require "tilt"
 require "i18n"
 require "hooks"
-
 require "active_support"
 require "active_support/json"
-require "active_support/core_ext/class/attribute_accessors"
+require "active_support/core_ext/string/inflections"
+# require "active_support/core_ext/class/attribute_accessors"
 
-module Padrino
-  class << self
-    attr_accessor :root_dir, :env
-    def root(*args)
-      File.expand_path(File.join(root_dir, *args))
-    end
-  end
-end
-    
-ENV['PADRINO_LOG_LEVEL'] = "debug"
-require "padrino-core/logger"
-
-module Middleman::Base
-  class << self
-    def registered(app)
-      app.send :include, ::Hooks
-      app.define_hook :initialized
-      
-      app.extend ClassMethods
-      app.send :include, InstanceMethods
-      
-      # Basic Sinatra config
-      app.set :app_file,    __FILE__
-      app.set :root,        Dir.pwd
-      app.set :sessions,    false
-      app.set :logging,     false
-      app.set :protection,  false
-      app.set :environment, (ENV['MM_ENV'] && ENV['MM_ENV'].to_sym) || :development
-
-      # Middleman-specific options
-      app.set :index_file,  "index.html"  # What file responds to folder requests
-                                      # Such as the homepage (/) or subfolders (/about/)
-
-      # These directories are passed directly to Compass
-      app.set :js_dir,      "javascripts" # Where to look for javascript files
-      app.set :css_dir,     "stylesheets" # Where to look for CSS files
-      app.set :images_dir,  "images"      # Where to look for images
-
-      app.set :build_dir,   "build"       # Which folder are builds output to
-      app.set :http_prefix, nil           # During build, add a prefix for absolute paths
-
-      # Pass all request to Middleman, even "static" files
-      app.set :static, false
-
-      app.set :views, "source"
-      
-      # Add Builder Callbacks
-      app.register Middleman::CoreExtensions::Builder
-      
-      # Add Rack::Builder.map to Sinatra
-      app.register Middleman::CoreExtensions::RackMap
-      
-      # Activate custom features
-      app.register Middleman::CoreExtensions::Features
-      
-      # Add Builder Callbacks
-      app.register Middleman::CoreExtensions::FileWatcher
-      
-      # Sitemap
-      app.register Middleman::CoreExtensions::Sitemap
-      
-      # Activate Yaml Data package
-      app.register Middleman::CoreExtensions::Data
-      
-      # Setup custom rendering
-      app.register Middleman::CoreExtensions::Rendering
-      
-      # Compass framework
-      app.register Middleman::CoreExtensions::Compass
-      
-      # Sprockets asset handling
-      app.register Middleman::CoreExtensions::Sprockets
-      
-      # Setup asset path pipeline
-      app.register Middleman::CoreExtensions::Assets
-      
-      # Activate built-in helpers
-      app.register Middleman::CoreExtensions::DefaultHelpers
-      
-      # with_layout and page routing
-      app.register Middleman::CoreExtensions::Routing
-      
-      # Parse YAML from templates
-      app.register Middleman::CoreExtensions::FrontMatter
-      
-      app.set :default_features, [
-        :lorem,
-        # :sitemap_tree
-      ]
-
-      # Default layout name
-      app.set :layout, :layout
-
-      # This will match all requests not overridden in the project's config.rb
-      app.not_found do
-        process_request
-      end
-
-      # Custom 404 handler (to be styled)
-      app.error Sinatra::NotFound do
-        content_type 'text/html'
-        "<html><body><h1>File Not Found</h1><p>#{request.path_info}</p></body>"
-      end
-    end
-    alias :included :registered
-  end
+class Middleman::Base
+  include Hooks
+  define_hook :build_config
+  define_hook :development_config
   
-  module ClassMethods
-    # Override Sinatra's set to accept a block
-    # Specifically for the asset_host feature
-    def set(option, value = (not_set = true), ignore_setter = false, &block)
-      if block_given?
-        value = Proc.new { block }
-      end
-    
-      super(option, value, ignore_setter, &nil)
+  class << self
+    def reset!
+      @app = nil
+      @prototype = nil
     end
     
-    def full_path(path)
-      parts = path ? path.split('/') : []
-      if parts.last.nil? || parts.last.split('.').length == 1
-        path = File.join(path, index_file) 
-      end
-      "/" + path.sub(%r{^/}, '')
+    def app
+      @app ||= Rack::Builder.new
+    end
+    
+    def prototype
+      @prototype ||= app.to_app
+    end
+
+    def call(env)
+      prototype.call(env)
+    end
+    
+    def use(middleware, *args, &block)
+      app.use(middleware, *args, &block)
+    end
+    
+    def map(map, &block)
+      app.map(map, &block)
+    end
+    
+    def helpers(*extensions, &block)
+      class_eval(&block)   if block_given?
+      include(*extensions) if extensions.any?
+    end
+    
+    def defaults
+      @defaults ||= {}
+    end
+    
+    def set(key, value)
+      @defaults ||= {}
+      @defaults[key] = value
     end
     
     def before_processing(name=:unnamed, idx=-1, &block)
@@ -144,114 +65,284 @@ module Middleman::Base
       end
     end
     
-    # Convenience method to check if we're in build mode
-    def build?; environment == :build; end
-    
-    # Creates a Rack::Builder instance with all the middleware set up and
-    # an instance of this class as end point.
-    def build_new(inst=false)
-      builder = Rack::Builder.new
-      setup_default_middleware builder
-      setup_middleware builder
-      builder.run inst || new!
-      builder.to_app
-    end
-    
-    def logger
-      Padrino.logger
+    def configure(env, &block)
+      send("#{env}_config", &block)
     end
   end
   
-  module InstanceMethods
-    def logger
-      Padrino.logger
-    end
+  def set(key, value)
+    setter = "#{key}=".to_sym
+    self.class.send(:attr_accessor, key) if !respond_to?(setter)
+    send(setter, value)
+  end
   
-    def initialize(*args)
-      super
-      run_hook :initialized, settings
-      
-      Padrino.root_dir = settings.root
-      Padrino.env      = settings.environment
-      Padrino::Logger::Config[:debug] = { :stream => :stderr }
-      # Padrino::Logger::Config[:development][:stream] = StringIO.new
+  def configure(env, &block)
+    self.class.configure(env, &block)
+  end
+  
+  # Basic Sinatra config
+  set :root,        Dir.pwd
+  set :source,      "source"
+  set :environment, (ENV['MM_ENV'] && ENV['MM_ENV'].to_sym) || :development
+  set :logging, false
+
+  # Middleman-specific options
+  set :index_file,  "index.html"  # What file responds to folder requests
+                                  # Such as the homepage (/) or subfolders (/about/)
+
+  # These directories are passed directly to Compass
+  set :js_dir,      "javascripts" # Where to look for javascript files
+  set :css_dir,     "stylesheets" # Where to look for CSS files
+  set :images_dir,  "images"      # Where to look for images
+
+  set :build_dir,   "build"       # Which folder are builds output to
+  set :http_prefix, nil           # During build, add a prefix for absolute paths
+
+  set :views, "source"
+  
+  set :default_features, [
+    :lorem,
+    # :sitemap_tree
+  ]
+
+  # Default layout name
+  set :layout, :layout
+  
+  # Activate custom features and extensions
+  include Middleman::CoreExtensions::Features
+    
+  # Add Builder Callbacks
+  register Middleman::CoreExtensions::Builder
+  
+  # Add Guard Callbacks
+  register Middleman::CoreExtensions::FileWatcher
+  
+  # Sitemap
+  register Middleman::CoreExtensions::Sitemap
+  
+  # Activate Data package
+  register Middleman::CoreExtensions::Data
+  
+  # Setup custom rendering
+  register Middleman::CoreExtensions::Rendering
+  
+  # Compass framework
+  register Middleman::CoreExtensions::Compass
+
+  # Sprockets asset handling
+  register Middleman::CoreExtensions::Sprockets
+  
+  # Setup asset path pipeline
+  register Middleman::CoreExtensions::Assets
+  
+  # Activate built-in helpers
+  register Middleman::CoreExtensions::DefaultHelpers
+  
+  # with_layout and page routing
+  register Middleman::CoreExtensions::Routing
+  
+  # Parse YAML from templates
+  register Middleman::CoreExtensions::FrontMatter
+  
+  define_hook :initialized
+  def initialize(&block)
+    self.class.superclass.defaults.each do |k, v|
+      set(k, v)
     end
     
-    def forward
-      raise ::Sinatra::NotFound
+    set :source_dir, File.join(root, source)
+      
+    super
+    
+    run_hook :initialized
+  end
+  
+  def call(env)
+    @env = env
+    @req = Rack::Request.new(env)
+    @res = Rack::Response.new
+
+    process_request
+  end
+
+  # Custom 404 handler (to be styled)
+  # app.error Sinatra::NotFound do
+  #   content_type 'text/html'
+  #   "<html><body><h1>File Not Found</h1><p>#{request.path_info}</p></body>"
+  # end
+  
+  # Convenience methods to check if we're in a mode
+  def development?; environment == :development; end
+  def build?; environment == :build; end
+  
+  # Internal method to look for templates and evaluate them if found
+  def process_request
+    # Normalize the path and add index if we're looking at a directory
+    original_path = @env["PATH_INFO"].dup
+    request_path  = full_path(@env["PATH_INFO"].gsub("%20", " "))
+  
+    # return not_found if sitemap.ignored_path?(request_path)
+    
+    # if sitemap.path_is_proxy?(request_path)
+    #   request["is_proxy"] = true
+    #   request_path = "/" + sitemap.path_target(request_path)
+    # end
+    
+    found_template = resolve_template(request_path)
+    return not_found unless found_template
+    
+    path, engine = found_template
+    
+    # Static File
+    return send_file(path) if engine.nil?
+    
+    # return unless settings.execute_before_processing!(self, found_template)
+    
+    # context = settings.sitemap.get_context(original_path) || {}
+    # 
+    options = {}
+    # options = context.has_key?(:options) ? context[:options] : {}
+    # options.merge!(request['custom_options'] || {})
+    # 
+
+    local_layout = if options.has_key?(:layout)
+      options[:layout]
+    else
+      layout
     end
     
-    # Internal method to look for templates and evaluate them if found
-    def process_request
-      if !settings.views.include?(settings.root)
-        settings.set :views, File.join(settings.root, settings.views)
+    # if context.has_key?(:block) && context[:block]
+    #   instance_eval(&context[:block])
+    # end
+
+    # locals = request['custom_locals'] || {}
+    locals = {}
+    
+    # content_type mime_type(File.extname(request_path))
+    @res.status = 200
+    
+    output = if layout
+      layout_engine = if options.has_key?(:layout_engine)
+        options[:layout_engine]
+      else
+        engine
       end
       
-      # Normalize the path and add index if we're looking at a directory
-      request_path = settings.full_path(request.path.gsub("%20", " "))
-      original_path = request_path.dup
-      
-      return status(404) if settings.sitemap.ignored_path?(request_path)
-      
-      if settings.sitemap.path_is_proxy?(request_path)
-        request["is_proxy"] = true
-        request_path = "/" + settings.sitemap.path_target(request_path)
+      layout_path, *etc = resolve_template(layout, :preferred_engine => layout_engine)
+    
+      render(layout_path, locals) do
+        render(path, locals)
       end
+    else
+      render(path, locals)
+    end
+    
+    @res.write output
+    @res.finish
+  end
+  
+public
+  
+protected
+
+  def full_path(path)
+    parts = path ? path.split('/') : []
+    if parts.last.nil? || parts.last.split('.').length == 1
+      path = File.join(path, index_file) 
+    end
+    "/" + path.sub(%r{^/}, '')
+  end
+  
+  def not_found
+    @res.status == 404
+    @res.write "<html><body><h1>File Not Found</h1><p>#{@env["PATH_INFO"]}</p></body>"
+    @res.finish
+  end
+  
+  def resolve_template(request_path, options={})
+    request_path = request_path.to_s
+    @_resolved_templates ||= {}
+    
+    if !@_resolved_templates.has_key?(request_path)
+      relative_path = request_path.sub(%r{^/}, "")
+      on_disk_path  = File.expand_path(relative_path, source_dir)
       
-      found_template = resolve_template(request_path, :raise_exceptions => false)
-      return status(404) unless found_template
-      
-      path, engine = found_template
-      
-      if !::Tilt.mappings.has_key?(engine.to_s)
-        matched_mime = mime_type(File.extname(request_path))
-        matched_mime = "application/octet-stream" if matched_mime.nil?
-        content_type matched_mime
-        status 200
-        send_file File.join(settings.views, request_path)
-        return
-      end
+      preferred_engine = if options.has_key?(:preferred_engine)
+        extension_class = Tilt[options[:preferred_engine]]
+        matched_exts = []
         
-      return unless settings.execute_before_processing!(self, found_template)
-      
-      context = settings.sitemap.get_context(original_path) || {}
-      
-      options = context.has_key?(:options) ? context[:options] : {}
-      options.merge!(request['custom_options'] || {})
-
-      old_layout = settings.layout
-      settings.set :layout, options[:layout] if !options[:layout].nil?
-
-      local_layout = if settings.layout
-        if options[:layout] == false || request_path =~ /\.(css|js)$/
-          false
-        else
-          settings.fetch_layout_path(settings.layout).to_sym
+        # TODO: Cache this
+        Tilt.mappings.each do |ext, engines|
+          next unless engines.include? extension_class
+          matched_exts << ext
         end
+        
+        "{" + matched_exts.join(",") + "}"
+      else
+        "*"
+      end
+      
+      path_with_ext = on_disk_path + "." + preferred_engine
+  
+      found_engine = nil
+      found_path = Dir[path_with_ext].find do |path|
+        ::Tilt[path]
+      end
+  
+      result = if found_path || File.exists?(on_disk_path)
+        engine = found_path ? File.extname(found_path)[1..-1].to_sym : nil
+        [ found_path || on_disk_path, engine ]
       else
         false
       end
       
-      render_options = { :layout => local_layout }
-      render_options[:layout_engine] = options[:layout_engine] if options.has_key?(:layout_engine)
-
-      locals = request['custom_locals'] || {}
-      
-      if context.has_key?(:block) && context[:block]
-        instance_eval(&context[:block])
-      end
-      
-      begin
-        result = render(engine, path, render_options, locals)
-      
-        if result
-          content_type mime_type(File.extname(request_path))
-          status 200
-          body result
+      @_resolved_templates[request_path] = result
+    end
+    
+    @_resolved_templates[request_path]
+  end
+  
+  def extensionless_path(file)
+    @_extensionless_path_cache ||= {}
+    
+    if @_extensionless_path_cache.has_key?(file)
+      @_extensionless_path_cache[file]
+    else
+      path = file.dup
+      end_of_the_line = false
+      while !end_of_the_line
+        file_extension = File.extname(path)
+  
+        if ::Tilt.mappings.has_key?(file_extension.gsub(/^\./, ""))
+          path = path.sub(file_extension, "")
+        else
+          end_of_the_line = true
         end
-      ensure
-        settings.set :layout, old_layout
       end
+      
+      @_extensionless_path_cache[file] = path
+      path
     end
   end
+  
+  def send_file(path)
+    
+    #       matched_mime = mime_type(File.extname(request_path))
+    #       matched_mime = "application/octet-stream" if matched_mime.nil?
+    #       content_type matched_mime
+    
+    file      = ::Rack::File.new nil
+    file.path = path
+    file.serving# env
+  end
+  
+  def render(path, locals = {}, options = {}, &block)
+    path = path.to_s
+    template = ::Tilt.new(path, 1, options)
+    template.render(self, locals, &block)
+  end
+  
+  def logging?
+    logging
+  end
 end
\ No newline at end of file
diff --git a/lib/middleman/core_extensions/compass.rb b/lib/middleman/core_extensions/compass.rb
index 77927de2..fdd43c24 100644
--- a/lib/middleman/core_extensions/compass.rb
+++ b/lib/middleman/core_extensions/compass.rb
@@ -18,45 +18,45 @@ module Middleman::CoreExtensions::Compass
         # * line_comments
         # * sprite_engine
         # * chunky_png_options
-        compass_config_file = File.join(app.root, "compass.config")
+        compass_config_file = File.join(self.root, "compass.config")
         if File.exists?(compass_config_file)
           ::Compass.add_project_configuration(compass_config_file)
         end
         
         ::Compass.configuration do |config|
-          config.project_path          = app.root
+          config.project_path          = self.root
           config.environment           = :development
-          config.cache_path            = File.join(app.root, ".sass-cache")
+          config.cache_path            = File.join(self.root, ".sass-cache")
           
-          views_root = File.basename(app.views)
-          config.sass_dir              = File.join(views_root, app.css_dir)
-          config.css_dir               = File.join(views_root, app.css_dir)
-          config.javascripts_dir       = File.join(views_root, app.js_dir)
-          config.fonts_dir             = File.join(views_root, app.fonts_dir)
-          config.images_dir            = File.join(views_root, app.images_dir)
+          views_root = File.basename(self.views)
+          config.sass_dir              = File.join(views_root, self.css_dir)
+          config.css_dir               = File.join(views_root, self.css_dir)
+          config.javascripts_dir       = File.join(views_root, self.js_dir)
+          config.fonts_dir             = File.join(views_root, self.fonts_dir)
+          config.images_dir            = File.join(views_root, self.images_dir)
           
-          config.http_images_path = if app.respond_to? :http_images_path
-            app.http_images_path
+          config.http_images_path = if self.respond_to? :http_images_path
+            self.http_images_path
           else
-            File.join(app.http_prefix || "/", app.images_dir)
+            File.join(self.http_prefix || "/", self.images_dir)
           end
           
-          config.http_stylesheets_path = if app.respond_to? :http_css_path
-            app.http_css_path
+          config.http_stylesheets_path = if self.respond_to? :http_css_path
+            self.http_css_path
           else
-            File.join(app.http_prefix || "/", app.css_dir)
+            File.join(self.http_prefix || "/", self.css_dir)
           end
           
-          config.http_javascripts_path = if app.respond_to? :http_js_path
-            app.http_js_path
+          config.http_javascripts_path = if self.respond_to? :http_js_path
+            self.http_js_path
           else
-            File.join(app.http_prefix || "/", app.js_dir)
+            File.join(self.http_prefix || "/", self.js_dir)
           end
 
-          config.http_fonts_path = if app.respond_to? :http_fonts_path
-            app.http_fonts_path
+          config.http_fonts_path = if self.respond_to? :http_fonts_path
+            self.http_fonts_path
           else
-            File.join(app.http_prefix || "/", app.fonts_dir)
+            File.join(self.http_prefix || "/", self.fonts_dir)
           end
           
           config.asset_cache_buster :none
diff --git a/lib/middleman/core_extensions/features.rb b/lib/middleman/core_extensions/features.rb
index ec445f3e..7baab04e 100644
--- a/lib/middleman/core_extensions/features.rb
+++ b/lib/middleman/core_extensions/features.rb
@@ -30,18 +30,32 @@
 
 module Middleman::CoreExtensions::Features
   
-  # The Feature API is itself a Feature. Mind blowing!
   class << self
-    def registered(app)
-      app.set :default_features, []
+    def included(app)
+      # app.set :default_features, []
       app.define_hook :after_configuration
       app.define_hook :before_configuration
       app.extend ClassMethods
+      app.send :include, InstanceMethods
     end
-    alias :included :registered
   end
 
   module ClassMethods
+    def extensions
+      @extensions ||= []
+    end
+    
+    def register(*new_extensions)
+      @extensions ||= []
+      @extensions += new_extensions
+      new_extensions.each do |extension|
+        extend extension
+        extension.registered(self) if extension.respond_to?(:registered)
+      end
+    end
+  end
+  
+  module InstanceMethods
     # This method is available in the project's `config.rb`.
     # It takes a underscore-separated symbol, finds the appropriate
     # feature module and includes it.
@@ -58,39 +72,39 @@ module Middleman::CoreExtensions::Features
 
       if feature.is_a? String
         feature = feature.camelize
-        feature = Middleman::Features.const_get(feature)
+        feature = ::Middleman::Features.const_get(feature)
       end
       
       puts "== Activating:  #{feature}" if logging?
-      register feature
+      self.class.register feature
     end
     
     # Load features before starting server
-    def new!
+    def initialize
+      super
+    
       run_hook :before_configuration
     
       # Check for and evaluate local configuration
       local_config = File.join(self.root, "config.rb")
       if File.exists? local_config
         puts "== Reading:  Local config" if logging?
-        class_eval File.read(local_config)
-        set :app_file, File.expand_path(local_config)
+        # instance_eval File.read(local_config)
+        # set :app_file, File.expand_path(local_config)
       end
+
+      run_hook :after_configuration
       
       # Add in defaults
       default_features.each do |ext|
-        activate ext
+        # activate ext
       end
       
-      run_hook :after_configuration
-      
       if logging?
         extensions.each do |ext|
           puts "== Extension: #{ext}"
         end
       end
-      
-      super
     end
   end
 end
diff --git a/lib/middleman/core_extensions/file_watcher.rb b/lib/middleman/core_extensions/file_watcher.rb
index b275df86..b1bedbb2 100644
--- a/lib/middleman/core_extensions/file_watcher.rb
+++ b/lib/middleman/core_extensions/file_watcher.rb
@@ -6,9 +6,9 @@ module Middleman::CoreExtensions::FileWatcher
       app.extend ClassMethods
       app.send :include, InstanceMethods
       app.before_configuration do
-        Find.find(settings.root) do |path|
+        Find.find(root) do |path|
           next if File.directory?(path)
-          file_did_change(path.sub("#{settings.root}/", ""))
+          file_did_change(path.sub("#{root}/", ""))
         end
       end
 
@@ -28,6 +28,12 @@ module Middleman::CoreExtensions::FileWatcher
       @_file_deleted << [block, matcher] if block_given?
       @_file_deleted
     end
+  end
+  
+  module InstanceMethods
+    def file_changed(*args)
+      self.class.file_changed(*args)
+    end
     
     def file_did_change(path)
       file_changed.each do |callback, matcher|
@@ -36,6 +42,10 @@ module Middleman::CoreExtensions::FileWatcher
         instance_exec(path, &callback)
       end
     end
+    
+    def file_deleted(*args)
+      self.class.file_deleted(*args)
+    end
 
     def file_did_delete(path)
       file_deleted.each do |callback, matcher|
@@ -45,14 +55,4 @@ module Middleman::CoreExtensions::FileWatcher
       end
     end
   end
-  
-  module InstanceMethods
-    def file_did_change(path)
-      settings.file_did_change(path)
-    end
-    
-    def file_did_delete(path)
-      settings.file_did_delete(path)
-    end
-  end
 end
\ No newline at end of file
diff --git a/lib/middleman/core_extensions/rack_map.rb b/lib/middleman/core_extensions/rack_map.rb
deleted file mode 100644
index 9dc2866f..00000000
--- a/lib/middleman/core_extensions/rack_map.rb
+++ /dev/null
@@ -1,35 +0,0 @@
-module Middleman::CoreExtensions::RackMap
-  class << self
-    def registered(app)
-      app.extend ClassMethods
-    end
-    alias :included :registered
-  end
-  
-  module ClassMethods
-    def map(path, &block)
-      @maps ||= []
-      @maps << [path, block]
-    end
-  
-    def maps
-      @maps || []
-    end
-  
-    # Creates a Rack::Builder instance with all the middleware set up and
-    # an instance of this class as end point.
-    def build_new(inst=false)
-      builder = Rack::Builder.new
-      setup_default_middleware builder
-      setup_middleware builder
-      
-      maps.each { |p,b| builder.map(p, &b) }
-      app = self
-      builder.map "/" do
-        run (inst || app.new!)
-      end
-      
-      builder
-    end
-  end
-end
\ No newline at end of file
diff --git a/lib/middleman/core_extensions/rendering.rb b/lib/middleman/core_extensions/rendering.rb
index a98f998a..549d25a4 100644
--- a/lib/middleman/core_extensions/rendering.rb
+++ b/lib/middleman/core_extensions/rendering.rb
@@ -1,52 +1,12 @@
-require "padrino-core/application/rendering"
-
 module Middleman::CoreExtensions::Rendering
   class << self
     def registered(app)
-      app.extend ClassMethods
-      app.send :include, InstanceMethods
-      
-      # Tilt-aware renderer
-      app.register Padrino::Rendering
-
       # Activate custom renderers
       app.register Middleman::Renderers::Sass
       app.register Middleman::Renderers::Markdown
       app.register Middleman::Renderers::ERb
-      app.register Middleman::Renderers::CoffeeScript
       app.register Middleman::Renderers::Liquid
     end
     alias :included :registered
   end
-  
-  module ClassMethods
-    def extensionless_path(file)
-      @_extensionless_path_cache ||= {}
-      
-      if @_extensionless_path_cache.has_key?(file)
-        @_extensionless_path_cache[file]
-      else
-        path = file.dup
-        end_of_the_line = false
-        while !end_of_the_line
-          file_extension = File.extname(path)
-    
-          if ::Tilt.mappings.has_key?(file_extension.gsub(/^\./, ""))
-            path = path.sub(file_extension, "")
-          else
-            end_of_the_line = true
-          end
-        end
-        
-        @_extensionless_path_cache[file] = path
-        path
-      end
-    end
-  end
-  
-  module InstanceMethods
-    def extensionless_path(path)
-      settings.extensionless_path(path)
-    end
-  end
 end
\ No newline at end of file
diff --git a/lib/middleman/core_extensions/sprockets.rb b/lib/middleman/core_extensions/sprockets.rb
index 46836bf4..2875b895 100644
--- a/lib/middleman/core_extensions/sprockets.rb
+++ b/lib/middleman/core_extensions/sprockets.rb
@@ -21,7 +21,7 @@ module Middleman::CoreExtensions::Sprockets
       end
       
       app.after_configuration do
-        js_env = Middleman::CoreExtensions::Sprockets::JavascriptEnvironment.new(app)
+        js_env = Middleman::CoreExtensions::Sprockets::JavascriptEnvironment.new(self)
         
         vendor_dir = File.join("vendor", "assets", "javascripts")
         gems_with_js = ::Middleman.rubygems_latest_specs.select do |spec|
@@ -38,13 +38,13 @@ module Middleman::CoreExtensions::Sprockets
         end
         
         # add paths to js_env (vendor/assets/javascripts)
-        app.map "/#{app.js_dir}" do
+        app.map "/#{self.js_dir}" do
           run js_env
         end
       end
         
       app.after_compass_config do
-        css_env = Middleman::CoreExtensions::Sprockets::StylesheetEnvironment.new(app)
+        css_env = Middleman::CoreExtensions::Sprockets::StylesheetEnvironment.new(self)
         
         vendor_dir = File.join("vendor", "assets", "stylesheets")
         gems_with_css = ::Middleman.rubygems_latest_specs.select do |spec|
@@ -60,7 +60,7 @@ module Middleman::CoreExtensions::Sprockets
           css_env.append_path File.join(spec.full_gem_path, app_dir)
         end
         
-        app.map "/#{app.css_dir}" do
+        app.map "/#{self.css_dir}" do
           run css_env
         end
       end
@@ -96,7 +96,7 @@ module Middleman::CoreExtensions::Sprockets
       # Disable css
       # unregister_processor "text/css", ::Sprockets::DirectiveProcessor
       
-      self.js_compressor = app.settings.js_compressor
+      self.js_compressor = app.js_compressor
 
       # configure search paths
       append_path app.js_dir
@@ -115,7 +115,7 @@ module Middleman::CoreExtensions::Sprockets
       # Disable js
       # unregister_processor "application/javascript", ::Sprockets::DirectiveProcessor
       
-      self.css_compressor = app.settings.css_compressor
+      self.css_compressor = app.css_compressor
   
       # configure search paths
       append_path app.css_dir
diff --git a/lib/middleman/guard.rb b/lib/middleman/guard.rb
index a6f5b403..7b4f6abf 100644
--- a/lib/middleman/guard.rb
+++ b/lib/middleman/guard.rb
@@ -78,14 +78,15 @@ module Guard
     
     def server_start
       app = ::Middleman.server
-      app.set :environment, (@options[:environment] || "development").to_sym
-      app.set :logging, @options.has_key?(:debug) && (@options[:debug] == "true")
-      
       # Quiet down Guard
       # ENV['GUARD_ENV'] = 'test' if @options[:debug] == "true"
       
-      @app = app.new!
-      app_rack = app.build_new(@app)
+      @app = app.new
+      @app.set :environment, (@options[:environment] || "development").to_sym
+      @app.set :logging, @options.has_key?(:debug) && (@options[:debug] == "true")
+      
+      app_rack = ::Middleman::Base.app
+      app_rack.run @app
 
       @server_job = fork do
         opts = @options.dup
diff --git a/lib/middleman/renderers/coffee_script.rb b/lib/middleman/renderers/coffee_script.rb
deleted file mode 100644
index f5e5bf08..00000000
--- a/lib/middleman/renderers/coffee_script.rb
+++ /dev/null
@@ -1,8 +0,0 @@
-module Middleman::Renderers::CoffeeScript
-  class << self
-    def registered(app)
-      require "coffee_script"
-    end
-    alias :included :registered
-  end
-end
\ No newline at end of file
diff --git a/lib/middleman/renderers/erb.rb b/lib/middleman/renderers/erb.rb
index 5efef00c..dad6dc0a 100644
--- a/lib/middleman/renderers/erb.rb
+++ b/lib/middleman/renderers/erb.rb
@@ -3,32 +3,27 @@ require "tilt"
 module Middleman::Renderers::ERb
   class << self
     def registered(app)
-      app.extend ClassMethods
+      app.send :include, InstanceMethods
       
       app.set :erb_engine, :erb
-      
-      if !app.respond_to? :erb_engine_prefix
-        app.set :erb_engine_prefix, ::Tilt
-      end
+      app.set :erb_engine_prefix, ::Tilt
       
       app.after_configuration do
-        engine = app.settings.erb_engine
-        
-        if engine.is_a? Symbol
-          engine = app.erb_tilt_template_from_symbol(engine)
+        if erb_engine.is_a? Symbol
+          erb_engine = erb_tilt_template_from_symbol(erb_engine)
         end
         
-        ::Tilt.prefer(engine)
+        ::Tilt.prefer(erb_engine)
       end
     end
     alias :included :registered
   end
   
-  module ClassMethods
+  module InstanceMethods
     def erb_tilt_template_from_symbol(engine)
       engine = engine.to_s
       engine = engine == "erb" ? "ERB" : engine.camelize
-      settings.erb_engine_prefix.const_get("#{engine}Template")
+      erb_engine_prefix.const_get("#{engine}Template")
     end
   end
 end
\ No newline at end of file
diff --git a/lib/middleman/renderers/liquid.rb b/lib/middleman/renderers/liquid.rb
index 20c00647..5148e187 100644
--- a/lib/middleman/renderers/liquid.rb
+++ b/lib/middleman/renderers/liquid.rb
@@ -7,10 +7,7 @@ module Middleman::Renderers::Liquid
         require "liquid"
         
         app.after_configuration do
-          full_path = app.views
-          full_path = File.join(app.root, app.views) unless app.views.include?(app.root)
-          
-          Liquid::Template.file_system = Liquid::LocalFileSystem.new(full_path)
+          Liquid::Template.file_system = Liquid::LocalFileSystem.new(self.source_dir)
             
           app.before_processing(:liquid) do |result|
             if result && result[1] == :liquid
diff --git a/lib/middleman/renderers/markdown.rb b/lib/middleman/renderers/markdown.rb
index ccff0042..7c4899f0 100644
--- a/lib/middleman/renderers/markdown.rb
+++ b/lib/middleman/renderers/markdown.rb
@@ -1,34 +1,29 @@
 module Middleman::Renderers::Markdown
   class << self
     def registered(app)
-      app.extend ClassMethods
+      app.send :include, InstanceMethods
       
       app.set :markdown_engine, nil
-      
-      if !app.respond_to? :markdown_engine_prefix
-        app.set :markdown_engine_prefix, ::Tilt
-      end
+      app.set :markdown_engine_prefix, ::Tilt
       
       app.after_configuration do
-        engine = app.settings.markdown_engine
-        
-        unless engine.nil?
-          if engine.is_a? Symbol
-            engine = app.markdown_tilt_template_from_symbol(engine)
+        unless markdown_engine.nil?
+          if markdown_engine.is_a? Symbol
+            markdown_engine = markdown_tilt_template_from_symbol(markdown_engine)
           end
         
-          ::Tilt.prefer(engine)
+          ::Tilt.prefer(markdown_engine)
         end
       end
     end
     alias :included :registered
   end
   
-  module ClassMethods
+  module InstanceMethods
     def markdown_tilt_template_from_symbol(engine)
       engine = engine.to_s
       engine = engine == "rdiscount" ? "RDiscount" : engine.camelize
-      settings.markdown_engine_prefix.const_get("#{engine}Template")
+      markdown_engine_prefix.const_get("#{engine}Template")
     end
   end
 end
\ No newline at end of file
diff --git a/middleman.gemspec b/middleman.gemspec
index c3c1bcfe..9e60f51f 100644
--- a/middleman.gemspec
+++ b/middleman.gemspec
@@ -24,20 +24,16 @@ Gem::Specification.new do |s|
   s.add_dependency("thin", ["~> 1.2.11"])
   s.add_dependency("thor", ["~> 0.14.0"])
   s.add_dependency("tilt", ["~> 1.3.1"])
-  s.add_dependency("maruku", ["~> 0.6.0"])
-  s.add_dependency("sinatra", ["~> 1.3.1"])
   s.add_dependency("rack-test", ["~> 0.6.1"])
   s.add_dependency("uglifier", ["~> 1.1.0"])
-  s.add_dependency("slim", ["~> 1.0.2"])
   s.add_dependency("haml", ["~> 3.1.0"])
   s.add_dependency("sass", ["~> 3.1.7"])
+  s.add_dependency("activesupport", ["~> 3.1.0"])
   s.add_dependency("compass", ["~> 0.11.3"])
   s.add_dependency("coffee-script", ["~> 2.2.0"])
   s.add_dependency("execjs", ["~> 1.2.7"])
   s.add_dependency("sprockets", ["~> 2.0"])
   s.add_dependency("sprockets-sass", ["~> 0.3.0"])
-  s.add_dependency("padrino-core", ["~> 0.10.5"])
-  s.add_dependency("padrino-helpers", ["~> 0.10.5"])
   s.add_dependency("hooks", ["~> 0.2.0"])
   s.add_dependency("rb-fsevent")