public void ArrayToHexDecimal()
{
var rand = new Random();
var buf = new byte[12];
rand.NextBytes(buf);
var hl = new HexDecimal(buf, 0, buf.Length);
var t = hl.Value;
}
public void DecimalToHexDecimal()
{
decimal t = -1;
for (int i = 0; i < 96; i++)
{
t++;
t *= 2;
var hl = new HexDecimal(t);
Console.WriteLine($"{hl} | {Hex.ToString(hl.Bytes)}");
var it = hl.Value;
Assert.IsTrue(t == it, $"{t} != {it}");
}
}
/// <summary>
/// 将字节数组转换为指定进制的可读字符串
/// </summary>
/// <param name="yourBytes">需要转换的字节数组</param>
/// <param name="hexDecimal">指定进制</param>
/// <param name="stringMode">指定格式</param>
/// <returns>返回结果</returns>
public static string ByteToHexString(byte[] yourBytes, HexDecimal hexDecimal, ShowHexMode stringMode)
{
// 如果只考虑16进制对格式没有特殊要求 可以直接使用 ((byte)233).ToString("X2"); 或 BitConverter.ToString(new byte[]{1,2,3,10,12,233})
if (yourBytes == null)
{
return(null);
}
StringBuilder result = new StringBuilder(DictionaryHexDecimal[hexDecimal] + DictionaryShowHexMode[stringMode].Length);
for (int i = 0; i < yourBytes.Length; i++)
{
result.Append(DictionaryShowHexMode[stringMode]);
result.Append(Convert.ToString(yourBytes[i], (int)hexDecimal).PadLeft(DictionaryHexDecimal[hexDecimal], '0'));
}
return(result.ToString().Trim());
}
/// <summary>
/// 将可读指定进制的数据转换为字节数组（因为用户数据可能会是非法数据，遇到非法数据非法会抛出异常）
/// </summary>
/// <param name="yourStr">需要转换的字符串</param>
/// <param name="hexDecimal">指定进制</param>
/// <param name="stringMode">指定格式</param>
/// <returns>返回结果(如果yourStr为""返回长度为0的byte[])</returns>
public static byte[] HexStringToByte(string yourStr, HexDecimal hexDecimal, ShowHexMode stringMode)
{
if (hexDecimal == HexDecimal.hex16 && (stringMode == ShowHexMode.spit0b || stringMode == ShowHexMode.spit0d || stringMode == ShowHexMode.spitSpace0b || stringMode == ShowHexMode.spitSpace0d))
{
throw new Exception("your HexaDecimal and ShowHexMode is conflict");
}
string[] hexStrs;
byte[] resultBytes;
string modeStr = string.Empty; //string.Empty 不等于 null
if (stringMode != ShowHexMode.@null)
{
modeStr = DictionaryShowHexMode[stringMode];
}
if (modeStr == string.Empty)
{
if (yourStr.Length % DictionaryHexDecimal[hexDecimal] != 0)
{
throw new Exception("error leng of your data");
}
long tempHexNum = yourStr.Length / DictionaryHexDecimal[hexDecimal];
hexStrs = new string[tempHexNum];
for (int startIndex = 0; startIndex < tempHexNum; startIndex++)
{
hexStrs[startIndex] = yourStr.Substring(startIndex * DictionaryHexDecimal[hexDecimal], DictionaryHexDecimal[hexDecimal]);
}
}
else
{
//使用StringSplitOptions.RemoveEmptyEntries去除空值因为0xFF0xFF可能会有第一个值为空的情况
//对于0xFF 0xFF使用 0x分割，第一个值可能会带0x，不过 Convert.ToByte可以兼容这种情况（不过还是可能带来第一个字节允许使用不应用的分割的情况）
hexStrs = yourStr.Split(new string[] { modeStr }, StringSplitOptions.RemoveEmptyEntries);
}
try
{
resultBytes = new byte[hexStrs.Length];
for (int i = 0; i < hexStrs.Length; i++)
{
resultBytes[i] = Convert.ToByte(hexStrs[i], (int)hexDecimal);
}
}
catch (Exception ex)
{
throw new Exception(string.Format("error data ,can not change your hex string to your hex, hexDecimal[{0}] ShowHexMode[{1}]", hexDecimal, stringMode), ex);
}
return(resultBytes);
}
public void ArrayToHexDecimalInvalidCast()
{
var rand = new Random();
var buf = new byte[32];
rand.NextBytes(buf);
try
{
var hl = new HexDecimal(buf, 0, buf.Length);
}
catch (InvalidCastException e)
{
Assert.Pass(e.Message);
return;
}
Assert.Fail("expected exception");
}
public void Bytes32ToString(byte[] source)
{
if (source.Length == 32 + 32 + 32)
{
var len = new HexDecimal(source, 20, 12);
if (len.Value == 32)
{
var count = new HexDecimal(source, 32 + 20, 12);
string utf8 = Encoding.UTF8.GetString(source, 64, 32);
Console.WriteLine(utf8.Substring(0, (int)count.Value));
}
else
{
Console.WriteLine(Hex.ToString(source));
throw new NotImplementedException();
}
}
}
/// <summary>
/// 将可读指定进制的数据转换为字节数组（因为用户数据可能会是非法数据，遇到非法数据非法会抛出异常）(使用猜测的方式发现分割字符串)
/// </summary>
/// <param name="yourStr">需要转换的字符串</param>
/// <param name="hexDecimal">指定进制</param>
/// <returns>返回结果(如果yourStr为""返回长度为0的byte[])</returns>
public static byte[] HexStringToByte(string yourStr, HexDecimal hexDecimal)
{
if (yourStr == null)
{
throw new Exception("your source string is null");
}
foreach (var tryStringSpitMode in DictionaryShowHexMode)
{
if (hexDecimal == HexDecimal.hex16 && (tryStringSpitMode.Key == ShowHexMode.spit0b || tryStringSpitMode.Key == ShowHexMode.spit0d || tryStringSpitMode.Key == ShowHexMode.spitSpace0b || tryStringSpitMode.Key == ShowHexMode.spitSpace0d))
{
continue;
}
if (yourStr.Contains(tryStringSpitMode.Value))
{
return(HexStringToByte(yourStr, hexDecimal, tryStringSpitMode.Key));
}
}
throw new Exception("unknown exception with HexStringToByte");
}
/// <summary>
/// 将字符串转换成指定进制的可读字符串 （使用指定编码指定进制及指定格式）
/// </summary>
/// <param name="yourStr">用户字符串</param>
/// <param name="encode">指定编码</param>
/// <param name="hexaDecimal">指定进制</param>
/// <param name="stringMode">指定格式</param>
/// <returns>返回结果</returns>
public static string StringToHexString(string yourStr, Encoding encode, HexDecimal hexaDecimal, ShowHexMode stringMode)
{
byte[] tempBytes = encode.GetBytes(yourStr);
return(ByteToHexString(tempBytes, hexaDecimal, stringMode));
}