Add Article#url to return a shiny nice article URL

git-svn-id: svn://78.47.249.61/ruby-mediawiki/trunk@65 ba9c31aa-a806-0410-9a81-9f13d15ee83b

lib/mediawiki.rb

@@ -35,6 +35,11 @@ class Wiki
     # This must be readable as it's used by Article and Category
     # to fetch themselves.
     attr_reader :browser 
+
+    ##
+    # The URL-Path to index.php (without index.php) as given 
+    # to Wiki#initialize
+    attr_reader :url
 
     ##
     # Initialize a new Wiki instance.

lib/mediawiki/article.rb

@@ -50,6 +50,18 @@ def full_name
       @name
     end
 
+    ##
+    # Return the URL of the article as configured
+    #
+    # This will return a nice human-readable URL if your MediWiki
+    # is configured that way, unlike Wiki#full_article_url
+    # result:: [String] URL
+    def url
+      uri = @wiki.url.dup
+      uri.path = xhtml.elements['//li[@id="ca-nstab-main"]//a'].attributes['href']
+      uri.to_s
+    end
+
     ##
     # Get the XHTML,
     # will invoke Article#xhtml_reload if not already cached