dotnettypedeelementparser.cs

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using System;
using System.Xml;
using System.Reflection;
using System.Diagnostics;
using System.ComponentModel;
using System.Collections;

namespace gowk.GXF
{
	/// <summary>
	/// XmlElementParser 的摘要说明。
	/// </summary>
	internal class DotNetTypedEelementParser:XmlElementParserBase
	{
		public DotNetTypedEelementParser():base()
		{
		}
		public override bool CanParse(XmlNode context, ParserState state)
		{
			if(context.NodeType==XmlNodeType.Element)
			{
				string name=context.Name;
				if(ObjectCreator.Instance.TypeShortcuts.ContainsKey(name) || (Type.GetType(name)!=null))return true;
			}
			return false;
		}

		public override object Parse(XmlNode context, ParserState state)
		{
			
			ObjectCreator creator=ObjectCreator.Instance;
			object o=CreateObjectFromShortcut(context.Name);
			if(o==null)return null;


			foreach(XmlAttribute xa in context.Attributes)
			{
				ParserState s=new ParserState();
				s.Parent=o;
				s.Instance=state.Instance;
				s.MemberInitializer=state.MemberInitializer;
				creator.XmlElementParsers.Parse(xa,s);
			}
			foreach(XmlNode nd in context.ChildNodes)
			{
				ParserState s=new ParserState();
				s.Parent=o;
				s.Instance=state.Instance;
				s.MemberInitializer=state.MemberInitializer;
				creator.XmlElementParsers.Parse(nd,s);
			}
			return o;
		}

		protected internal object CreateObjectFromShortcut(string shortcut)
		{
			ObjectCreator creator=ObjectCreator.Instance;
			Type type=creator.TypeShortcuts.GetType(shortcut);
			if(type==null)return null;
			try
			{
				return Activator.CreateInstance(type);
			}
			catch
			{
				return null;
			}
		}
	}
}