collectionparser.cs

语音视频功能 里面实现了基本的QQ与语音对话

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 CollectionParser:XmlElementParserBase
	{
		public CollectionParser():base()
		{
		}
		public override bool CanParse(XmlNode context, ParserState state)
		{
			if((context.NodeType==XmlNodeType.Element) && (state.Parent!=null))
			{
				string name=context.Name;
				ObjectCreator co=ObjectCreator.Instance;
				object lst=co.MemberInvokers.GetValue(state.Parent,name,state);
				if(lst is IList)
				{
					state.Tag=lst;
					return true;
				}
			}
			return false;
		}

		public override object Parse(XmlNode context, ParserState state)
		{
			IList lst=(IList)state.Tag;
			ObjectCreator co=ObjectCreator.Instance;
			foreach(XmlAttribute nod in context.Attributes)
			{
				ParserState ps=new ParserState();
				ps.Parent=lst;
				ps.Instance=state.Instance;
				ps.MemberInitializer=state.MemberInitializer;
				object o=co.XmlElementParsers.Parse(nod,ps);
			}
			foreach(XmlNode nod in context.ChildNodes)
			{
				if(nod.NodeType!=XmlNodeType.Element)continue;;
				ParserState ps=new ParserState();
				ps.Parent=lst;
				ps.Instance=state.Instance;
				ps.MemberInitializer=state.MemberInitializer;
				object o=co.XmlElementParsers.Parse(nod,ps);
				if(o!=null)
				{
					lst.Add(o);
					System.Diagnostics.Trace.WriteLine("add to collection:"+lst.ToString()+" "+o.ToString());
				}
			}
			return null;
		}
	}
}