style.rb in csl-1.0.0.pre3

- old
+ new

@@ -1,8 +1,9 @@
 module CSL
   
   class Style < Node
+    types << CSL::Info << CSL::Locale
     
     @default = :apa
 
     @root = File.expand_path('../../../vendor/styles', __FILE__).freeze
         
@@ -19,11 +20,11 @@
         
         raise ParseError, "root node is not a style: #{node.inspect}" unless
           node.is_a?(self)
         
         node
-      end
+      end      
     end
     
     attr_defaults :version => Schema.version, :xmlns => Schema.namespace
     
     attr_struct :xmlns, :version, :class, :'default-locale',
@@ -31,20 +32,22 @@
       :'demote-non-dropping-particle', *Schema.attr(:name, :names)
     
     attr_children :'style-options', :info, :locale, :macro,
       :citation, :bibliography
     
-    alias metadata info
     alias options  style_options
     alias locales  locale
     
+    def_delegators :info, :self_link, :self_link=, :has_self_link?,
+      :template_link, :template_link=, :has_template_link?,
+      :documentation_link, :documentation_link=, :has_documentation_link?,
+			:title=, :id=
+      
     def initialize(attributes = {})
-      super(attributes)
+      super(attributes, &nil)      
+      children[:locale], children[:macro] = [], []
       
-      children[:locale] = []
-      children[:macro]  = []
-      
       yield self if block_given?
     end
 
     def validate
       Schema.validate self
@@ -52,13 +55,37 @@
     
     def valid?
       validate.empty?
     end
     
+    def info
+      children[:info] ||= Info.new
+    end
+    
+    alias_child :metadata, :info
+    
+    # @return [String] the style's id
+		def id
+			return nil unless info.has_id?
+			info.id.to_s
+		end
+    
+    # @return [String] the style's title
+		def title
+			return nil unless info.has_title?
+			info.title.to_s
+		end
+		
+		# @return [Time] timestamp for the time set in info.updated
+		def updated_at
+			return nil unless info.has_updated?
+			Time.parse(info.updated)
+		end
+
     private
     
     def preamble
       Schema.preamble.dup
     end 
   end
-    
+ 
 end
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