//---------------------------------------------------------------------------
//?
//?File:?HtmlXamlConverter.cs
//
//?Copyright?（C）?Microsoft?Corporation.??All?rights?reserved.
//
//?Description:?Prototype?for?Html?-?Xaml?conversion?
//
//---------------------------------------------------------------------------

namespace?HTMLConverter
{
????using?System;
????using?System.Collections;
????using?System.Collections.Generic;
????using?System.Diagnostics;
????using?System.IO;
????using?System.Text;
????using?System.Windows;?//?DependencyProperty
????using?System.Windows.Documents;?//?TextElement
????using?System.xml;
????using?System.xml.Linq;
????///?

????///?HtmlToXamlConverter?is?a?static?class?that?takes?an?HTML?string
????///?and?converts?it?into?XAML
????///?

????public?static?class?HtmlToXamlConverter
????{
????????//?---------------------------------------------------------------------
????????//
????????//?Internal?Methods
????????//
????????//?---------------------------------------------------------------------

????????#region?Internal?Methods

????????///?

????????///?Converts?an?html?string?into?xaml?string.
????????///?

????????///?
????????///?Input?html?which?may?be?badly?formated?xml.
????????///?
????????///?
????????///?true?indicates?that?we?need?a?FlowDocument?as?a?root?element;
????????///?false?means?that?Section?or?Span?elements?will?be?used
????????///?dependeing?on?StartFragment/EndFragment?comments?locations.
????????///?
????????///?
????????///?Well-formed?xml?representing?XAML?equivalent?for?the?input?html?string.
????????///?
????????public?static?xmlElement?ConvertHtmlToXaml（string?htmlString?bool?asFlowDocument）
????????{
????????????//?Create?well-formed?xml?from?Html?string
????????????xmlElement?htmlElement?=?HtmlParser.ParseHtml（htmlString）;
????????????
????????????return?htmlElement;












????????????//?Decide?what?name?to?use?as?a?root
????????????string?rootElementName?=?asFlowDocument???HtmlToXamlConverter.Xaml_FlowDocument?:?HtmlToXamlConverter.Xaml_Section;

????????????//?Create?an?xmlDocument?for?generated?xaml
????????????xmlDocument?xamlTree?=?new?xmlDocument（）;
????????????xmlElement?xamlFlowDocumentElement?=?xamlTree.CreateElement（null?rootElementName?_xamlNamespace）;

????????????//?Extract?style?definitions?from?all?style?elements?in?the?document
????????????Cssstylesheet?stylesheet?=?new?Cssstylesheet（htmlElement）;

????????????//?Source?context?is?a?stack?of?all?elements?-?ancestors?of?a?parentElement
????????????ListlElement>?sourceContext?=?new?ListlElement>（10）;

????????????//?Clear?fragment?parent
????????????InlineFragmentParentElement?=?null;

????????????//?convert?root?html?element
????????????AddBlock（xamlFlowDocumentElement?htmlElement?new?Hashtable（）?style