// ----- for Unity3D

// ■利用方法：
// 
// … GameObjectに割り当てた、任意のコード上で
// private AssemblyCSharp.XMLLoder xLoader = null;
// 
// … Awake などで
// xLoader = new AssemblyCSharp.XMLLoder();
// xLoader.asyncLoad(AssemblyCSharp.XMLLoder.XMLFilePath);	
// 
// … OnGUI などで
// if(xLoader.isLoaded)
// {
// 	GUI.TextField(new Rect(0, 0, 500, 100), xLoader.get1st());
// }

using System;
using System.IO;
using System.Xml;
using System.Threading;

namespace AssemblyCSharp
{
	// XMLロードクラス。ただのローダなので MonoBehaviour 継承不要
	public class XMLLoder
	{
		delegate void OnLoad();
		private OnLoad onLoad = null;
		
		public const String XMLFilePath = "http://t...content-available-to-author-only...r.com/statuses/public_timeline.xml";
		
		private XmlDocument doc;
		private XmlNodeList nodeListtext;
		private bool bLoaded = false;
		
		// 唯一のコンストラクタ
		public XMLLoder()
		{
			// デリゲート用関数の準備
			onLoad = this.done;
		}
		
		// 非同期ローダ
		public void asyncLoad(String url)
		{
			// 一応 re-run 対策
			if(doc == null)
			{
				// 子スレッド起こしてロード
				Thread th = new Thread(new ThreadStart(delegate() {

					// 本当はこれ、サブクラスメンバに持つ方が安全だが
					doc = new XmlDocument();
					doc.Load(url);
					
					// 終了を委譲で通知
					onLoad();
				}));
				th.Start();
			}
		}
		
		// 終了が通知されるメソッド ※外部から叩かれても困るので private
		private void done()
		{
			bLoaded = true;
			nodeListtext = doc.SelectNodes("statuses/status/text");
		}

		// ロード完了してるか？
		public bool isLoaded { get { return bLoaded; } }
		
		// 適当な文字列の取得メソッド。適宜変更を
		public String get1st()
		{
			if(!bLoaded) return null;
			return nodeListtext[0].InnerText;
		}
	}

}

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