Torrent.cs

using System;
using System.IO;
using System.Text;
using System.Collections.Generic;
using System.Text.Regularexpressions;

namespace System
{
    public class Torrent
    {
        #region 私有成员字段
        string announce = ““;
        Listject> announcelist = new Listject>（）;
        string comment = ““;
        string commentutf8 = ““;
        string createdby = ““;
        DateTime creationdate = new DateTime（1970 1 1 0 0 0）;
        string encoding = ““;
        #endregion

        #region 属性
        public string Announce { get { return this.announce; } set { this.announce = value; } }
        public Listject> AnnounceList { get { return this.announcelist; } set { this.announcelist = value; } }
        public string Comment { get { return this.comment; } set { this.comment = value; } }
        public string CommentUTF8 { get { return this.commentutf8; } set { this.commentutf8 = value; } }
        public string CommentBy { get { return this.createdby; } set { this.createdby = value; } }
        public DateTime CreationDate { get { return this.creationdate; } set { this.creationdate = value; } }
        public string TorrentEncoding { get { return this.encoding; } set { this.encoding = value; } }
        #endregion

        FileStream fs;
        BinaryReader br;

        public Torrent（string path）
        {
            fs = new FileStream（path FileMode.Open）;
            br = new BinaryReader（fs）;
            byte[] buf = new byte[1];
            string str = ““;
            buf[0] = br.ReadByte（）;
            str = Encoding.UTF8.GetString（buf 0 1）;
            if （str == “d“）
            {
                this.ReadAll（）;
            }
            else
            {
                Exception e = new Exception（“无法解析此文件“）;
                throw e;
            }
        }

        int ReadInt（BinaryReader br）
        {

            return 0;
        }

        string ReadString（BinaryReader br）
        {
            byte[] buf = new byte[1];
            string str = ““;
            buf[0] = br.ReadByte（）;
            str = Encoding.UTF8.GetString（buf）;
            Regex reg = new Regex（“^[0-9]*$“）;
            if （reg.Match（str）.Value != string.Empty）
            {
                buf[0] = br.ReadByte（）;
                string tmpstr = Encoding.UTF8.GetString（buf）;
                while （tmpstr != “:“）
                {
                    str += tmpstr;
                    buf[0] = br.ReadByte（）;
                    tmpstr = Encoding.UTF8.GetString（buf）;
                }
                int j = Convert.ToInt32（str）;
                str = ““;
                byte[] buf2 = new byte[j];
                for （int i = 0; i < j; i++）
                {
                    buf2[i] = br.ReadByte（）;
                }
                str = Encoding.UTF8.GetString（buf2）;
                return str;
            }
            else
            {