Main cleaner for LocalToWeb.
Inheritance: IHTMLCleaner
        /// <summary>
        /// Adapts the HTML source from it's local MS Word form in order to be used by the wiki.
        /// </summary>
        /// <param name="content">The initial HTML source.</param>
        /// <returns>The adapted HTML code.</returns>
        public String AdaptSource(String content)
        {
            XmlDocument xmlDoc = new XmlDocument();
            //xmlDoc.XmlResolver = null;

            content = new LocalToWebHTMLCleaner(HTML_OPENING_TAG).Clean(content);

            xmlDoc.LoadXml(content);
            //rigister the html filters
            List<IDOMFilter> contentFilters = new List<IDOMFilter>()
            {
                new LocalToWebStyleFilter(manager),
                new StyleRemoverFilter(manager),
                new GrammarAndSpellingErrorsFilter(manager),
                new LocalImageAdaptorFilter(manager),
                new LocalListsAdaptorFilter(manager),
                new LocalMacrosAdaptorFilter(manager),
                new OfficeAttributesRemoverFilter(manager),
                //new EmptySpanRemoverFilter(manager),
                //new EmptyNestedElementsFilter(manager),
                new ParentDivAttributeRemoverFilter(manager),
            };

            foreach(IDOMFilter contentFilter in contentFilters)
            {
                contentFilter.Filter(ref xmlDoc);
            }

            StringBuilder sb = new StringBuilder(xmlDoc.GetIndentedXml());
            sb.Replace(" xmlns=\"\"","");
            return sb.ToString();
        }
        public void TestCleaner()
        {
            bool noException = true;

            try
            {
                htmlContent = new LocalToWebHTMLCleaner(htmlOpeningTag).Clean(htmlContent);
                xmlDoc.LoadXml(htmlContent);
            }
            catch (Exception e)
            {
                noException = false;
                Console.Error.WriteLine(e);
            }

            Assert.IsTrue(noException);
        }