add dust template engine to support .dust files

lib/jasmine/headless.rb

@@ -8,6 +8,7 @@ module Jasmine
     autoload :CommandLine, 'jasmine/headless/command_line'
 
     autoload :CoffeeScriptCache, 'jasmine/headless/coffee_script_cache'
+    autoload :DustCache, 'jasmine/headless/dust_cache'
     autoload :SpecFileAnalyzer, 'jasmine/headless/spec_file_analyzer'
     autoload :CacheableAction, 'jasmine/headless/cacheable_action'
     autoload :VERSION, 'jasmine/headless/version'
@@ -23,6 +24,7 @@ module Jasmine
     autoload :FileChecker, 'jasmine/headless/file_checker'
 
     autoload :CoffeeTemplate, 'jasmine/headless/coffee_template'
+    autoload :DustTemplate, 'jasmine/headless/dust_template'
     autoload :JSTemplate, 'jasmine/headless/js_template'
     autoload :JSTTemplate, 'jasmine/headless/jst_template'
     autoload :CSSTemplate, 'jasmine/headless/css_template'

lib/jasmine/headless/dust_cache.rb

@@ -0,0 +1,30 @@
+require 'execjs'
+require 'digest/sha1'
+require 'fileutils'
+
+module Jasmine
+  module Headless
+
+    class DustCache < CacheableAction
+
+      class << self
+        def cache_type
+          "dust"
+        end
+      end
+
+      def action
+        @path ||= File.expand_path('../../../../vendor/assets/javascripts/dust-full-for-compile.js', __FILE__)
+        @contents ||= File.read(@path)
+        @context ||= ExecJS.compile(@contents)
+
+        template_root = DustTemplate.template_root
+        template_root = template_root + '/' if template_root[ template_root.length - 1 ].chr != '/'
+        template_name = file.split(template_root).last.split('.',2).first
+        @context.call("dust.compile", File.read(file), template_name)
+      end
+    end
+  end
+end
+
+

lib/jasmine/headless/dust_template.rb

@@ -0,0 +1,41 @@
+require 'tilt/template'
+require 'execjs'
+
+module Jasmine::Headless
+  class DustTemplate < Tilt::Template
+    include Jasmine::Headless::FileChecker
+
+    class << self
+      def template_root=(root)
+        @template_root = root
+      end
+      def template_root
+        @template_root || "app/assets/javascripts/templates/"
+      end
+    end
+
+    self.default_mime_type = 'application/javascript'
+
+    def prepare; end
+
+    def evaluate(scope, locals, &block)
+      if bad_format?(file)
+        alert_bad_format(file)
+        return ''
+      end
+      begin
+        cache = Jasmine::Headless::DustCache.new(file)
+        source = cache.handle
+        if cache.cached?
+          %{<script type="text/javascript" src="#{cache.cache_file}"></script>
+            <script type="text/javascript">window.CSTF['#{File.split(cache.cache_file).last}'] = '#{file}';</script>}
+        else
+          %{<script type="text/javascript">#{source}</script>}
+        end
+      rescue StandardError => e
+        puts "[%s] Error in compiling file: %s" % [ 'coffeescript'.color(:red), file.color(:yellow) ]
+        raise e
+      end
+    end
+  end
+end

lib/jasmine/headless/files_list.rb

@@ -66,6 +66,7 @@ module Jasmine::Headless
           register_engine '.js', Jasmine::Headless::JSTemplate
           register_engine '.css', Jasmine::Headless::CSSTemplate
           register_engine '.jst', Jasmine::Headless::JSTTemplate
+          register_engine '.dust', Jasmine::Headless::DustTemplate
         end
       end
 
@@ -224,6 +225,9 @@ module Jasmine::Headless
           add_files(@searches[type] = data.flatten, type, send(SEARCH_ROOTS[type]))
         end
       end
+
+      # config dust template
+      Jasmine::Headless::DustTemplate.template_root = @config['template_dir']
     end
 
     def add_files(patterns, type, dirs)