Adding RABL support

Gemfile

@@ -42,6 +42,7 @@ gem 'maruku'
 gem 'creole'
 gem 'markaby'
 gem 'radius'
+gem 'rabl'
 
 if RUBY_ENGINE == 'jruby'
   gem 'nokogiri', '!= 1.5.0'

README.de.rdoc

@@ -508,6 +508,12 @@ Nimmt ebenso einen Block für Inline-Templates entgegen (siehe Beispiel).
 
 === Slim Templates
 
+Abhängigkeit::        {rabl}[https://github.com/nesquena/rabl]
+Dateierweiterungs::   <tt>.rabl</tt>
+Beispiel::           <tt>rabl :index</tt>
+
+=== Slim Templates
+
 Abhängigkeit::        {slim}[http://slim-lang.com/]
 Dateierweiterungs::   <tt>.slim</tt>
 Beispiel::           <tt>slim :index</tt>

README.es.rdoc

@@ -496,6 +496,12 @@ Ejemplos::                 <tt>markaby { h1 "Bienvenido!" }</tt>
 
 Además, acepta un bloque con la definición de la plantilla (ver el ejemplo).
 
+=== Plantillas RABL
+
+Dependencias::             {rabl}[https://github.com/nesquena/rabl]
+Extensiones de Archivo::   <tt>.rabl</tt>
+Ejemplo::                  <tt>rabl :index</tt>
+
 === Plantillas Slim
 
 Dependencias::             {slim}[http://slim-lang.com/]

README.fr.rdoc

@@ -508,6 +508,12 @@ Exemple::                 <tt>markaby { h1 "Bienvenue !" }</tt>
 
 Ce moteur accepte également un bloc pour des templates en ligne (voir exemple).
 
+=== Templates RABL
+
+Dépendances::             {rabl}[https://github.com/nesquena/rabl]
+Extensions de fichier::   <tt>.rabl</tt>
+Exemple::                 <tt>rabl :index</tt>
+
 === Templates Slim
 
 Dépendances::             {slim}[http://slim-lang.com/]

README.jp.rdoc

@@ -426,6 +426,19 @@ Markabyテンプレートを使うにはmarkabyライブラリが必要です:
 
 <tt>./views/index.mab</tt>を表示します。
 
+=== RABL テンプレート
+
+RABLテンプレートを使うにはrablライブラリが必要です:
+
+  # rablを読み込みます
+  require 'rabl'
+
+  get '/' do
+    rabl :index
+  end
+
+<tt>./views/index.rabl</tt>を表示します。
+
 === Slim テンプレート
 
 Slimテンプレートを使うにはslimライブラリが必要です:

README.ko.rdoc

@@ -454,6 +454,12 @@ Radius 템플릿에서는 루비 메서드를 호출할 수 없기 때문에,
 
 인라인 템플릿으로 블록을 받을 수도 있음(예제 참조).
 
+=== RABL 템플릿
+
+의존::        {rabl}[https://github.com/nesquena/rabl]
+파일 확장자::   <tt>.rabl</tt>
+예제::           <tt>rabl :index</tt>
+
 === Slim 템플릿
 
 의존::        {slim}[http://slim-lang.com/]

README.rdoc

@@ -481,6 +481,12 @@ Example::           <tt>markaby { h1 "Welcome!" }</tt>
 
 It also takes a block for inline templates (see example).
 
+=== RABL Templates
+
+Dependency::        {rabl}[https://github.com/nesquena/rabl]
+File Extensions::   <tt>.rabl</tt>
+Example::           <tt>rabl :index</tt>
+
 === Slim Templates
 
 Dependency::        {slim}[http://slim-lang.com/]

README.ru.rdoc

@@ -488,6 +488,12 @@ Thin — это более производительный и функцион
 
 Блок также используется и для встроенных шаблонов (см. пример).
 
+=== RABL шаблоны
+
+Зависимости::         {rabl}[https://github.com/nesquena/rabl]
+Расширения файлов::   <tt>.rabl</tt>
+Пример::              <tt>rabl :index</tt>
+
 === Slim шаблоны
 
 Зависимости::         {slim}[http://slim-lang.com/]

lib/sinatra/base.rb

@@ -650,6 +650,11 @@ module Sinatra
       render :yajl, template, options, locals
     end
 
+    def rabl(template, options={}, locals={})
+      Rabl.register!
+      render :rabl, template, options, locals
+    end
+
     # Calls the given block for every possible template file in views,
     # named name.ext, where ext is registered on engine.
     def find_template(views, name, engine)

test/rabl_test.rb

@@ -0,0 +1,89 @@
+require File.expand_path('../helper', __FILE__)
+
+begin
+require 'rabl'
+require 'ostruct'
+require 'json'
+require 'active_support/core_ext/hash/conversions'
+
+class RablTest < Test::Unit::TestCase
+  def rabl_app(&block)
+    mock_app {
+      set :views, File.dirname(__FILE__) + '/views'
+      get '/', &block
+    }
+    get '/'
+  end
+
+  it 'renders inline rabl strings' do
+    rabl_app do
+      @foo = OpenStruct.new(:baz => 'w00t')
+      rabl %q{
+        object @foo
+        attributes :baz
+      }
+    end
+    assert ok?
+    assert_equal '{"openstruct":{"baz":"w00t"}}', body
+  end
+  it 'renders .rabl files in views path' do
+    rabl_app do
+      @foo = OpenStruct.new(:bar => 'baz')
+      rabl :hello
+    end
+    assert ok?
+    assert_equal '{"openstruct":{"bar":"baz"}}', body
+  end
+  
+  it "renders with file layouts" do
+    rabl_app {
+      @foo = OpenStruct.new(:bar => 'baz')
+      rabl :hello, :layout => :layout2
+    }
+    assert ok?
+    assert_equal '{"qux":{"openstruct":{"bar":"baz"}}}', body
+  end
+  
+  it "raises error if template not found" do
+    mock_app {
+      get('/') { rabl :no_such_template }
+    }
+    assert_raise(Errno::ENOENT) { get('/') }
+  end
+  
+  it "passes rabl options to the rabl engine" do
+    mock_app do
+      get('/') do
+        @foo = OpenStruct.new(:bar => 'baz')
+        rabl %q{
+          object @foo
+          attributes :bar
+        }, :format => 'xml'
+      end
+    end
+    get '/'
+    assert ok?
+    assert_body '<?xml version="1.0" encoding="UTF-8"?><openstruct><bar>baz</bar></openstruct>'
+  end
+  
+  it "passes default rabl options to the rabl engine" do
+    mock_app do
+      set :rabl, :format => 'xml'
+      get('/') do
+        @foo = OpenStruct.new(:bar => 'baz')
+        rabl %q{
+          object @foo
+          attributes :bar
+        }
+      end
+    end
+    get '/'
+    assert ok?
+    assert_body '<?xml version="1.0" encoding="UTF-8"?><openstruct><bar>baz</bar></openstruct>'
+  end
+  
+end
+
+rescue LoadError
+  warn "#{$!.to_s}: skipping rabl tests"
+end

test/views/hello.rabl

@@ -0,0 +1,2 @@
+object @foo
+attributes :bar

test/views/layout2.rabl

@@ -0,0 +1,3 @@
+node(:qux) do
+  ::JSON.parse(yield)
+end