C#制作的 BT种子生成器 含完整源码下载

using System;using System.Collections.Generic;using System.Text;namespace BenCode{ interface IBenCode { byte[] ToByteArray(); } abstract class BenByteString : IBenCode { abstract protected byte[] GetByteArray(); public byte[] ToByteArray() { List<byte> byteList = new List<byte>(); byte[] byteContent = GetByteArray(); string sizeHeader = string.Format("{0}:", byteContent.Length); byteList.AddRange(Encoding.UTF8.GetBytes(sizeHeader)); byteList.AddRange(byteContent); return byteList.ToArray(); } } class BenStringFormString : BenByteString, IComparable<BenStringFormString> { public BenStringFormString(string value) { m_value = value; } override protected byte[] GetByteArray() { return Encoding.UTF8.GetBytes(m_value); } public int CompareTo(BenStringFormString other) { return string.CompareOrdinal(m_value, other.m_value); } private string m_value; } class BenBinaryFormString : BenByteString { public BenBinaryFormString(byte[] binaryArray) { m_binaryArray = binaryArray; } override protected byte[] GetByteArray() { return m_binaryArray; } private byte[] m_binaryArray; } class BenInt : IBenCode { public BenInt(long value) { m_value = value; } public byte[] ToByteArray() { string resultInStringForm = string.Format("i{0}e", m_value); return Encoding.UTF8.GetBytes(resultInStringForm); } private long m_value; } class BenList : IBenCode { public BenList() { m_items = new List<IBenCode>(); } public void Add(IBenCode item) { m_items.Add(item); } public byte[] ToByteArray() { List<byte> byteList = new List<byte>(); byteList.AddRange(Encoding.UTF8.GetBytes("l")); foreach (IBenCode item in m_items) { byteList.AddRange(item.ToByteArray()); } byteList.AddRange(Encoding.UTF8.GetBytes("e")); return byteList.ToArray(); } private List<IBenCode> m_items; } class BenDictionary : IBenCode { public BenDictionary() { m_directionary = new SortedDictionary<BenStringFormString, IBenCode>(); } public void Add(string key, IBenCode value) { BenStringFormString benKey = new BenStringFormString(key); Add(benKey, value); } public void Add(BenStringFormString key, IBenCode value) { m_directionary.Add(key, value); } public byte[] ToByteArray() { List<byte> byteList = new List<byte>(); byteList.AddRange(Encoding.UTF8.GetBytes("d")); foreach (KeyValuePair<BenStringFormString, IBenCode> entry in m_directionary) { byteList.AddRange(entry.Key.ToByteArray()); byteList.AddRange(entry.Value.ToByteArray()); } byteList.AddRange(Encoding.UTF8.GetBytes("e")); return byteList.ToArray(); } private SortedDictionary<BenStringFormString, IBenCode> m_directionary; }}