From f465abb710ee8cc8f4d59381c10c94c81d1c4dc2 Mon Sep 17 00:00:00 2001
From: Keitaroh Kobayashi <keita@kkob.us>
Date: Wed, 28 May 2014 11:26:32 +0900
Subject: [PATCH] Adds slim template support

---
 README.md                                        |  2 +-
 lib/shortcode.rb                                 |  5 +++++
 lib/shortcode/configuration.rb                   |  4 ++--
 lib/shortcode/tag.rb                             |  2 ++
 shortcode.gemspec                                |  1 +
 spec/rails_helpers_spec.rb                       | 16 ++++++++++++++++
 .../fixtures/rails_helper_output_slim.html       |  1 +
 .../templates/slim/rails_helper.html.slim        |  1 +
 8 files changed, 29 insertions(+), 3 deletions(-)
 create mode 100644 spec/support/fixtures/rails_helper_output_slim.html
 create mode 100644 spec/support/templates/slim/rails_helper.html.slim

diff --git a/README.md b/README.md
index 0f36a66..1179f3c 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,7 @@ Shortcode.process("[quote]Hello World[/quote]")
 Shortcode.setup do |config|
 
   # the template parser to use
-  config.template_parser = :haml # :erb or :haml supported, :haml is default
+  config.template_parser = :haml # :erb, :haml, :slim supported, :haml is default
 
    # location of the template files, default is "app/views/shortcode_templates"
   config.template_path = "support/templates/haml"
diff --git a/lib/shortcode.rb b/lib/shortcode.rb
index 3b03d95..21f9b6f 100644
--- a/lib/shortcode.rb
+++ b/lib/shortcode.rb
@@ -1,5 +1,10 @@
 require 'parslet'
 require 'haml'
+
+begin
+  require 'slim'
+rescue LoadError; end
+
 require 'erb'
 
 module Shortcode
diff --git a/lib/shortcode/configuration.rb b/lib/shortcode/configuration.rb
index 7fa4a2a..00db08e 100644
--- a/lib/shortcode/configuration.rb
+++ b/lib/shortcode/configuration.rb
@@ -1,8 +1,8 @@
 class Shortcode::Configuration
-  # Sets the template parser to use, supports :erb and :haml, default is :haml
+  # Sets the template parser to use, supports :erb, :haml, and :slim, default is :haml
   attr_accessor :template_parser
 
-  # Sets the template parser to use, supports :erb and :haml, default is :haml
+  # Sets the path to search for template files
   attr_accessor :template_path
 
   # Allows templates to be set from strings rather than read from the filesystem
diff --git a/lib/shortcode/tag.rb b/lib/shortcode/tag.rb
index 1665690..5181e42 100644
--- a/lib/shortcode/tag.rb
+++ b/lib/shortcode/tag.rb
@@ -29,6 +29,8 @@ def render
 
     def render_template
       case Shortcode.configuration.template_parser
+      when :slim
+        Slim::Template.new { markup }.render(self)
       when :haml
         Haml::Engine.new(markup, ugly: true).render(binding)
       when :erb
diff --git a/shortcode.gemspec b/shortcode.gemspec
index d0eca09..f9e356a 100644
--- a/shortcode.gemspec
+++ b/shortcode.gemspec
@@ -25,4 +25,5 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "rake"
   spec.add_development_dependency "rspec"
   spec.add_development_dependency "coveralls"
+  spec.add_development_dependency "slim", "~> 2.0"
 end
diff --git a/spec/rails_helpers_spec.rb b/spec/rails_helpers_spec.rb
index 9aa784e..62e8cd1 100644
--- a/spec/rails_helpers_spec.rb
+++ b/spec/rails_helpers_spec.rb
@@ -3,9 +3,25 @@
 describe "rails helpers" do
 
   let(:template)    { load_fixture :rails_helper }
+  let(:slim_output) { load_fixture :rails_helper_output_slim, :html }
   let(:haml_output) { load_fixture :rails_helper_output_haml, :html }
   let(:erb_output)  { load_fixture :rails_helper_output_erb, :html }
 
+  describe "slim" do
+
+    before(:each) do
+      Shortcode.setup do |config|
+        config.template_parser = :slim
+        config.template_path = File.join File.dirname(__FILE__), "support/templates/slim"
+      end
+    end
+
+    it "are accessible within slim templates" do
+      Shortcode.process(template).gsub("\n",'').should == slim_output.gsub("\n",'')
+    end
+
+  end
+
   describe "haml" do
 
     it "are accessible within haml templates" do
diff --git a/spec/support/fixtures/rails_helper_output_slim.html b/spec/support/fixtures/rails_helper_output_slim.html
new file mode 100644
index 0000000..33a436c
--- /dev/null
+++ b/spec/support/fixtures/rails_helper_output_slim.html
@@ -0,0 +1 @@
+<i>blah</i>
diff --git a/spec/support/templates/slim/rails_helper.html.slim b/spec/support/templates/slim/rails_helper.html.slim
new file mode 100644
index 0000000..3068f00
--- /dev/null
+++ b/spec/support/templates/slim/rails_helper.html.slim
@@ -0,0 +1 @@
+= content_tag :i, @content