radius parser for multilingual - dev.rake

app/models/parser.rb

@@ -0,0 +1,73 @@
+module Parser
+  
+  def parser_context(page_content, attributes = {})
+    Radius::Context.new do |c|
+      c.define_tag 'content' do |tag|
+        page_content
+      end
+      c.define_tag 'snippet' do |tag|
+        snippet = Snippet.first(:conditions => {:name => tag.attr['name']})
+        if snippet
+          snippet.content
+        else
+          t('nothing')
+        end
+      end
+      c.define_tag 'language_bar' do
+        @site.in_use_locales.map{ |locale|
+          lang = I18nVariable.first(:conditions => {:key => locale})[locale]
+          if I18n.locale.to_s.eql?(locale)
+            lang
+          else
+            "<a href='?locale=#{locale}'>#{lang}</a>"
+          end
+        }.join(' | ')
+      end
+      c.define_tag 'locale' do |tag|
+        case attributes[:locale]
+          when 'create'
+            var = I18nVariable.new(:key => (tag.attr['name'] rescue nil), :document_class => 'Text')
+            @site.valid_locales.each do |locale|
+              var[locale] = tag.attr[locale] rescue nil
+            end
+            var.save!
+            res = ''
+            res << "<r:locale id='#{var.id}' " 
+            res << "name='#{var.key}' " if var.key
+            @site.valid_locales.each do |locale|
+              res << "#{locale}='#{var[locale]}' "
+            end
+            res << '/>'
+          when 'show'
+            var = I18nVariable.find(tag.attr['id'])
+            res = ''
+            res << "<r:locale " 
+            res << "name='#{var.key}' " if var.key
+            @site.valid_locales.each do |locale|
+              res << "#{locale}='#{var[locale]}' "
+            end
+            res << '/>'
+          when 'destroy'
+            var = I18nVariable.find(tag.attr['id'])
+            var.destroy
+          else
+            tag.attr[I18n.locale.to_s] rescue nil
+        end
+      end
+    end
+  end
+  
+  def parse_content(page_content, attributes = {})
+    context = parser_context(page_content, attributes)
+    parser = Radius::Parser.new(context, :tag_prefix => 'r')
+    parser.parse(page_content)
+  end
+  
+  def parse_page(page)
+    layout_content = (page.layout)? page.layout.content : "<r:content />"  
+    context = parser_context(page.content)
+    parser = Radius::Parser.new(context, :tag_prefix => 'r')
+    parser.parse(parser.parse(layout_content))
+  end
+
+end