Category support

git-svn-id: svn://78.47.249.61/ruby-mediawiki/trunk@23 ba9c31aa-a806-0410-9a81-9f13d15ee83b

lib/mediawiki.rb

@@ -3,6 +3,7 @@
 require 'uri'
 
 require 'mediawiki/article'
+require 'mediawiki/category'
 require 'mediawiki/minibrowser'
 
 module MediaWiki
@@ -30,6 +31,10 @@ def login( username, password )
       end
     end
 
+    def category(name)
+      Category.new(self, name)
+    end
+
     def article(name, section = nil)
       Article.new(self, name, section)
     end

lib/mediawiki/category.rb

@@ -0,0 +1,29 @@
+require 'rexml/document'
+
+module MediaWiki
+  class Category
+    def initialize(wiki, name)
+      @cached = false
+      @doc = nil
+      @wiki = wiki
+      @name = name
+    end
+
+    def reload
+      @doc = REXML::Document.new(@wiki.browser.get_content(@wiki.article_url("Category:#{@name}"))).root
+      @cached = true
+    end
+
+    def articles
+      unless @cached
+        reload
+      end
+
+      res = []
+      @doc.each_element('//div[@id="bodyContent"]//ul/li/a') { |a,|
+        res << a.attributes['title']
+      }
+      res
+    end
+  end
+end