using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Configuration;
using System.Threading;
namespace SiaSun.LMS.Common

{
    /// <summary>
    /// 所有进制之间的转换函数库
    /// Creator：Richard.liu
    /// </summary>
    public static  class CCarryConvert
    {
        static Mutex mutex=new Mutex();

        /// <summary>
        /// 十进制转十六进制
        /// </summary>
        /// <param name="dec">十进制数</param>
        /// <returns>十六进制字符串</returns>
        public static string DecimalToHex(byte dec)
        {
            return Convert.ToString(dec, 16);
        }

        /// <summary>
        /// 十进制转十六进制
        /// </summary>
        /// <param name="dec"></param>
        /// <returns></returns>
        public static string DecimalToHex(int dec)
        {
            return Convert.ToString(dec, 16);
        }

        /// <summary>
        /// 十进制转八进制
        /// </summary>
        /// <param name="dec">十进制数</param>
        /// <returns>八进制字符串</returns>
        public static string DecimalToOct(byte  dec)
        {
            return Convert.ToString(dec, 8);
        }

        /// <summary>
        /// 二进制转十进制
        /// </summary>
        /// <param name="bin">二进制字符串</param>
        /// <returns>十进制数</returns>
        public static Int32 BinToDecimal(string bin)
        {
           return  Convert.ToInt32(bin, 2);
        }

        /// <summary>
        /// 八进制转十进制
        /// </summary>
        /// <param name="bin">八进制字符串</param>
        /// <returns>十进制数</returns>
        public static Int32 OctToDecimal(string Oct)
        {
           return  Convert.ToInt32(Oct , 8);
        }

        /// <summary>
        /// 十六进制转十进制
        /// </summary>
        /// <param name="bin">十六进制字符串</param>
        /// <returns>十进制数</returns>
        public static Int32 HexToDecimal(string hex)
        {
           return  Convert.ToInt32(hex , 16);
        }

        /// <summary>
        /// 十六进制转字节型十进制
        /// </summary>
        /// <param name="bin">十六进制字符串</param>
        /// <returns>字节型十进制数</returns>
        public static byte HexToByte(string hex)
        {
            return Convert.ToByte(hex, 16);
        }

       /// <summary>
        /// 在十进制数获得指定bit位的二进制字符：0/1
       /// </summary>
        /// <param name="Int">十进制数</param>
       /// <param name="bitno">比特位</param>
       /// <returns></returns>
        public static byte GetBitFromInteger(int Int, int bitno)
        {            
            if ((Int & Convert.ToInt32(Math.Pow(2, Convert.ToDouble(bitno)))) == Convert.ToInt32(Math.Pow(2, Convert.ToDouble(bitno))))
            {
                return 1;
            }
            else
            {
                return 0;
            }
        }

        /// <summary>
        /// byte[0]存放高八位,byte[1]存放低八位
        /// </summary>
        /// <param name="_int16"></param>
        /// <returns></returns>
        public static byte[] GetByteFromInt16(int _int16)
        {
            char[] cc = new char[1] { '.' };
            string[] sp;
            byte[] _bytes = new byte[2];
            sp = Convert.ToString(_int16 >> 8).Split(cc);
            _bytes[0] =Convert.ToByte( sp[0]);
            _bytes[1] =Convert.ToByte( _int16 & 255);
            return _bytes;
        }

        public static UInt16  GetInt16FromBytes(byte[] _bytes)
        {
            UInt16 _int16;
            _int16 =Convert.ToUInt16( _bytes[1] +( _bytes[0]*256));
            return _int16;
        }
    }
}