implement new http-based messaging between guard and instance

lib/middleman/base.rb

@@ -283,6 +283,17 @@ class Middleman::Base
     @req = Rack::Request.new(env)
     @res = Rack::Response.new
 
+    if env["PATH_INFO"] == "/__middleman__" && env["REQUEST_METHOD"] == "POST"
+      if req.params.has_key?("change")
+        file_did_change(req.params["change"])
+      elsif req.params.has_key?("delete")
+        file_did_delete(req.params["delete"])
+      end
+      
+      res.status = 200
+      return res.finish
+    end
+    
     # Catch :halt exceptions and use that response if given
     catch(:halt) do
       process_request
@@ -373,13 +384,13 @@ class Middleman::Base
   # @param [String] Request path
   # @return [String] Path with index file if necessary
   def full_path(path)
-    # cache.fetch(:full_path, path) do
+    cache.fetch(:full_path, path) do
       parts = path ? path.split('/') : []
       if parts.last.nil? || parts.last.split('.').length == 1
         path = File.join(path, index_file) 
       end
       "/" + path.sub(%r{^/}, '')
-    # end
+    end
   end
   
   # Add a new mime-type for a specific extension

lib/middleman/cache.rb

@@ -31,6 +31,10 @@ module Middleman
       @cache[key]
     end
     
+    def keys
+      @cache.keys
+    end
+    
     # Clear the entire cache
     def clear
       @cache = {}

lib/middleman/core_extensions/rendering.rb

@@ -4,11 +4,6 @@ module Middleman::CoreExtensions::Rendering
       # Autoload
       require "coffee_script"
       
-      begin
-        require "slim"
-      rescue LoadError
-      end
-      
       app.send :include, InstanceMethods
       
       # Activate custom renderers
@@ -17,6 +12,11 @@ module Middleman::CoreExtensions::Rendering
       app.register Middleman::Renderers::Markdown
       app.register Middleman::Renderers::ERb
       app.register Middleman::Renderers::Liquid
+      
+      begin
+        require "slim"
+      rescue LoadError
+      end
     end
     alias :included :registered
   end
@@ -28,7 +28,7 @@ module Middleman::CoreExtensions::Rendering
     def initialize
       file_changed %r{^source/} do |file|
         path = File.expand_path(file, root)
-        # cache.remove(:raw_template, path.to_sym)
+        cache.remove(:raw_template, path)
       end
 
       super
@@ -97,25 +97,25 @@ module Middleman::CoreExtensions::Rendering
     # @private
     def render_individual_file(path, locs = {}, opts = {}, &block)
       path = path.to_s
-      body = #cache.fetch(:raw_template, path) do
+      
-        # $stderr.puts "reading: #{path}"
+      body = cache.fetch(:raw_template, path) do
         File.read(path)
-      # end
+      end
       
       extension = File.extname(path)
       options = opts.merge(options_for_ext(extension))
       options[:outvar] ||= '@_out_buf'
 
-      template = #cache.fetch(:compiled_template, options, body) do
+      template = cache.fetch(:compiled_template, options, body) do
         ::Tilt.new(path, 1, options) { body }
-      # end
+      end
 
       template.render(self, locs, &block)
     end
     
     # @private
     def options_for_ext(ext)
-      # cache.fetch(:options_for_ext, ext) do
+      cache.fetch(:options_for_ext, ext) do
         options = {}
 
         extension_class = ::Tilt[ext]
@@ -126,7 +126,7 @@ module Middleman::CoreExtensions::Rendering
         end
 
         options
-      # end
+      end
     end
   
     # @private
@@ -194,7 +194,7 @@ module Middleman::CoreExtensions::Rendering
     # @private
     def resolve_template(request_path, options={})
       request_path = request_path.to_s
-      # cache.fetch(:resolve_template, request_path, options) do
+      cache.fetch(:resolve_template, request_path, options) do
         relative_path = request_path.sub(%r{^/}, "")
         on_disk_path  = File.expand_path(relative_path, self.source_dir)
 
@@ -228,7 +228,7 @@ module Middleman::CoreExtensions::Rendering
         else
           false
         end
-      # end
+      end
     end
   end
 end

lib/middleman/guard.rb

@@ -1,6 +1,7 @@
 require "guard"
 require "guard/guard"
 require "rbconfig"
+require "net/http"
 
 if Config::CONFIG['host_os'].downcase =~ %r{mingw}
   require "win32/process"
@@ -60,20 +61,16 @@ module Guard
       
       if needs_to_restart
         reload
-      elsif !@app.nil?
+      else
         paths.each do |path|
-          @app.logger.debug :file_change, Time.now, path if @app.settings.logging?
+          file_did_change(path)
-          @app.file_did_change(path)
         end
       end
     end
 
     def run_on_deletion(paths)
-      if !@app.nil?
       paths.each do |path|
-          @app.logger.debug :file_remove, Time.now, path if @app.settings.logging?
+        file_did_delete(path)
-          @app.file_did_delete(path)
-        end
       end
     end
     
@@ -82,16 +79,16 @@ module Guard
       # Quiet down Guard
       # ENV['GUARD_ENV'] = 'test' if @options[:debug] == "true"
       
+      @server_job = fork do
         env = (@options[:environment] || "development").to_sym
         is_logging = @options.has_key?(:debug) && (@options[:debug] == "true")
-      @app = ::Middleman.server.inst do
+        app = ::Middleman.server.inst do
           set :environment, env
           set :logging, is_logging
         end
       
-      app_rack = @app.class.to_rack_app
+        app_rack = app.class.to_rack_app
       
-      @server_job = fork do
         opts = @options.dup
         opts[:app] = app_rack
         puts "== The Middleman is standing watch on port #{opts[:port]||4567}"
@@ -104,7 +101,20 @@ module Guard
       Process.kill("KILL", @server_job)
       Process.wait @server_job
       @server_job = nil
-      @app = nil
+      # @app = nil
+    end
+    
+    def talk_to_server(params={})
+      uri = URI.parse("http://#{@options[:host]}:#{@options[:port]}/__middleman__")
+      Net::HTTP.post_form(uri, {}.merge(params))
+    end
+    
+    def file_did_change(path)
+      talk_to_server :change => path
+    end
+    
+    def file_did_delete(path)
+      talk_to_server :delete => path
     end
   end
 end

lib/middleman/sitemap/store.rb

@@ -4,7 +4,6 @@ module Middleman::Sitemap
     
     def initialize(app)
       @app = app
-      @cache = ::Middleman::Cache.new
       @source = File.expand_path(@app.source, @app.root)
       @pages = {}
     end
@@ -23,12 +22,12 @@ module Middleman::Sitemap
     
     def ignore(path)
       page(path) { ignore }
-      @cache.remove(:ignored_paths)
+      app.cache.remove(:ignored_paths)
     end
     
     def proxy(path, target)
       page(path) { proxy_to(target.sub(%r{^/}, "")) }
-      @cache.remove(:proxied_paths)
+      app.cache.remove(:proxied_paths)
     end
     
     def page(path, &block)
@@ -53,7 +52,7 @@ module Middleman::Sitemap
     end
     
     def ignored_paths
-      @cache.fetch :ignored_paths do
+      app.cache.fetch :ignored_paths do
         @pages.values.select(&:ignored?).map(&:path)
       end
     end
@@ -63,7 +62,7 @@ module Middleman::Sitemap
     end
     
     def generic_paths
-      @cache.fetch :generic_paths do
+      app.cache.fetch :generic_paths do
         @pages.values.select(&:generic?).map(&:path)
       end
     end
@@ -73,7 +72,7 @@ module Middleman::Sitemap
     end
     
     def proxied_paths
-      @cache.fetch :proxied_paths do
+      app.cache.fetch :proxied_paths do
         @pages.values.select(&:proxy?).map(&:path)
       end
     end
@@ -123,7 +122,7 @@ module Middleman::Sitemap
     
   protected
     def extensionless_path(file)
-      @cache.fetch(:extensionless_path, file) do
+      app.cache.fetch(:extensionless_path, file) do
         path = file.dup
 
         end_of_the_line = false

lib/middleman/sitemap/template.rb

@@ -31,7 +31,7 @@ module Middleman::Sitemap
     end
 
     def metadata
-      # store.cache.fetch(:metadata, source_file) do
+      app.cache.fetch(:metadata, source_file) do
         metadata = { :options => {}, :locals => {} }
         app.provides_metadata.each do |callback, matcher|
           next if !matcher.nil? && !source_file.match(matcher)
@@ -39,7 +39,7 @@ module Middleman::Sitemap
           metadata = metadata.deep_merge(result)
         end
         metadata
-      # end
+      end
     end
 
     def render(opts={}, locs={}, &block)