Replace hooks

middleman-core/lib/middleman-core/application.rb

@@ -9,9 +9,6 @@ require 'i18n'
 require 'active_support/json'
 require 'active_support/core_ext/integer/inflections'
 
-# Simple callback library
-require 'hooks'
-
 # Our custom logger
 require 'middleman-core/logger'
 
@@ -21,6 +18,7 @@ require 'middleman-core/sitemap/store'
 
 require 'middleman-core/configuration'
 
+require 'middleman-core/callback_manager'
 require 'middleman-core/extension_manager'
 require 'middleman-core/core_extensions'
 
@@ -56,31 +54,6 @@ module Middleman
       end
     end
 
-    # Uses callbacks
-    include Hooks
-    include Hooks::InstanceHooks
-
-    define_hook :initialized
-    define_hook :after_configuration
-    define_hook :before_configuration
-
-    # Before request hook
-    define_hook :before
-
-    # Ready (all loading and parsing of extensions complete) hook
-    define_hook :ready
-
-    # Runs before the build is started
-    define_hook :before_build
-
-    # Runs after the build is finished
-    define_hook :after_build
-
-    define_hook :before_shutdown
-
-    define_hook :before_render
-    define_hook :after_render
-
     # Which host preview should start on.
     # @return [Fixnum]
     config.define_setting :host, '0.0.0.0', 'The preview server host'
@@ -209,6 +182,20 @@ module Middleman
       # Search the root of the project for required files
       $LOAD_PATH.unshift(root) unless $LOAD_PATH.include?(root)
 
+      @callbacks = ::Middleman::CallbackManager.new
+      @callbacks.install_methods!(self, [
+        :initialized,
+        :after_configuration,
+        :before_configuration,
+        :before,
+        :ready,
+        :before_build,
+        :after_build,
+        :before_shutdown,
+        :before_render,
+        :after_render
+      ])
+
       @middleware = Set.new
       @mappings = Set.new
 
@@ -244,9 +231,9 @@ module Middleman
 
       @extensions.auto_activate(:before_configuration)
 
-      run_hook :initialized
+      execute_callbacks :initialized
 
-      run_hook :before_configuration
+      execute_callbacks :before_configuration
 
       evaluate_configuration
 
@@ -270,10 +257,10 @@ module Middleman
 
       @extensions.activate_all
 
-      run_hook :after_configuration
+      execute_callbacks :after_configuration
       config_context.execute_callbacks(:after_configuration)
 
-      run_hook :ready
+      execute_callbacks :ready
       @config_context.execute_callbacks(:ready)
     end
 
@@ -365,7 +352,7 @@ module Middleman
     end
 
     def shutdown!
-      run_hook :before_shutdown
+      execute_callbacks :before_shutdown
     end
 
     # Work around this bug: http://bugs.ruby-lang.org/issues/4521

middleman-core/lib/middleman-core/builder.rb

@@ -49,7 +49,7 @@ module Middleman
       @has_error = false
       @events = {}
 
-      @app.run_hook :before_build, self
+      @app.execute_callbacks :before_build, [self]
 
       queue_current_paths if @cleaning
       prerender_css
@@ -61,7 +61,7 @@ module Middleman
       ::Middleman::Profiling.report('build')
 
       # Run hooks
-      @app.run_hook :after_build, self
+      @app.execute_callbacks :after_build, [self]
       @app.config_context.execute_callbacks(:after_build, [self])
 
       !@has_error

middleman-core/lib/middleman-core/callback_manager.rb

@@ -25,8 +25,10 @@ module Middleman
       end
 
       install_target.define_singleton_method(:execute_callbacks) do |keys, *args|
-        manager.execute(keys, args, self)
+        manager.execute(keys, args[0], self)
       end
+
+      install_target.define_singleton_method(:callbacks_for, &method(:callbacks_for))
     end
 
     Contract Or[Symbol, ArrayOf[Symbol]], Proc => Any
@@ -40,10 +42,13 @@ module Middleman
 
     Contract Or[Symbol, ArrayOf[Symbol]], Maybe[ArrayOf[Any]], Maybe[RespondTo[:instance_exec]] => Any
     def execute(keys, args=[], scope=self)
-      immutable_keys = keys.is_a?(Symbol) ? keys : ::Hamster::Vector.new(keys)
+      callbacks_for(keys).each { |b| scope.instance_exec(*args, &b) }
+    end
 
-      callbacks = @callbacks.get(immutable_keys)
-      callbacks && callbacks.each { |b| scope.instance_exec(*args, &b) }
+    Contract Or[Symbol, ArrayOf[Symbol]] => ::Hamster::Set
+    def callbacks_for(keys)
+      immutable_keys = keys.is_a?(Symbol) ? keys : ::Hamster::Vector.new(keys)
+      @callbacks.get(immutable_keys) || ::Hamster.set
     end
   end
 end

middleman-core/lib/middleman-core/file_renderer.rb

@@ -59,14 +59,10 @@ module Middleman
       options = options.deep_merge(options[:renderer_options]) if options[:renderer_options]
 
       template_class = ::Tilt[path]
+
       # Allow hooks to manipulate the template before render
-      @app.class.callbacks_for_hook(:before_render).each do |callback|
-        newbody = if callback.respond_to?(:call)
-          callback.call(body, path, locs, template_class)
-        elsif callback.respond_to?(:evaluate)
-          callback.evaluate(self, body, path, locs, template_class)
-        end
-        body = newbody if newbody # Allow the callback to return nil to skip it
+      content = @app.callbacks_for(:before_render).reduce(content) do |sum, callback|
+        callback.call(content, path, locs, template_class) || sum
       end
 
       # Read compiled template from disk or cache
@@ -80,14 +76,8 @@ module Middleman
       end
 
       # Allow hooks to manipulate the result after render
-      @app.class.callbacks_for_hook(:after_render).each do |callback|
-        # Uber::Options::Value doesn't respond to call
-        newcontent = if callback.respond_to?(:call)
-          callback.call(content, path, locs, template_class)
-        elsif callback.respond_to?(:evaluate)
-          callback.evaluate(self, content, path, locs, template_class)
-        end
-        content = newcontent if newcontent # Allow the callback to return nil to skip it
+      content = @app.callbacks_for(:after_render).reduce(content) do |sum, callback|
+        callback.call(content, path, locs, template_class) || sum
       end
 
       output = ::ActiveSupport::SafeBuffer.new ''

middleman-core/lib/middleman-core/rack.rb

@@ -85,7 +85,7 @@ module Middleman
       full_request_path = File.join(env['SCRIPT_NAME'], request_path) # Path including rack mount
 
       # Run before callbacks
-      @middleman.run_hook :before
+      @middleman.execute_callbacks :before
 
       # Get the resource object for this path
       resource = @middleman.sitemap.find_resource_by_destination_path(request_path.gsub(' ', '%20'))

middleman-core/middleman-core.gemspec

@@ -24,7 +24,6 @@ Gem::Specification.new do |s|
   s.add_dependency('rack', ['>= 1.4.5', '< 2.0'])
   s.add_dependency('tilt', ['~> 1.4.1'])
   s.add_dependency('erubis')
-  s.add_dependency('hooks', ['~> 0.3'])
 
   # Helpers
   s.add_dependency('activesupport', ['~> 4.2.0'])