From 3beed406a71b1243548608e8d7873ffd4ddc6afe Mon Sep 17 00:00:00 2001
From: chris <chris.vilayphiou@gmail.com>
Date: Tue, 20 Nov 2012 12:00:18 +0800
Subject: [PATCH] Fix Nokogiri when '.first' returns nothing

---
 lib/parsers/parser_common.rb | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/lib/parsers/parser_common.rb b/lib/parsers/parser_common.rb
index 32b4405c..6364691e 100644
--- a/lib/parsers/parser_common.rb
+++ b/lib/parsers/parser_common.rb
@@ -112,10 +112,14 @@ module ParserCommon
   # page_menu
   def parse_menu(body, page, edit=nil)
     page_menu = body.css('.page_menu').first
-    home = get_homepage
-    menu = page.design.layout.menu
-    fragment = Nokogiri::HTML::DocumentFragment.new(body, menu_level(home, page, 1, menu, edit))
-    page_menu.swap(fragment)
+    if page_menu
+      home = get_homepage
+      menu = page.design.layout.menu
+      fragment = Nokogiri::HTML::DocumentFragment.new(body, menu_level(home, page, 1, menu, edit))
+      page_menu.swap(fragment)
+    else
+      ''
+    end
   end
 
   # sub_menus
@@ -173,10 +177,14 @@ module ParserCommon
   # sitemap
   def parse_sitemaps(body = nil, page = nil, edit=nil)
     sitemap = body.css('sitemap').first
-    url = admin_site_sitemap_frontend_path(@site)
-    options = "?inner=true"
-    fragment = Nokogiri::HTML::DocumentFragment.new(body, "<div class='dymanic_load' path='#{url + options}'></div>")
-    sitemap.swap(fragment)
+    if sitemap
+      url = admin_site_sitemap_frontend_path(@site)
+      options = "?inner=true"
+      fragment = Nokogiri::HTML::DocumentFragment.new(body, "<div class='dymanic_load' path='#{url + options}'></div>")
+      sitemap.swap(fragment)
+    else
+      ''
+    end
   end
 
   # page_contents