using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using LitJson;
using System;

namespace JXSoft {
    //协议规则解析通用方法扩展
    public static class ProtocolRulesExtention
    {
        /// <summary>
        /// 根据Byte类型数据获取对应的值。
        /// </summary>
        /// <param name="self">只能包含A-F，0-9</param>
        /// <param name="start">起始位置</param>
        /// <param name="length">长度</param>
        /// <returns></returns>
        public static byte[] toByteArray(this string self) {
            int hexlen = self.Length;
            byte[] result;
            if (hexlen % 2 == 1)
            {
                //奇数  
                hexlen++;
                result = new byte[(hexlen / 2)];
                self += "0" ;
            }
            else
            {
                //偶数  
                result = new byte[(hexlen / 2)];
            }
            int j = 0;
            for (int i = 0; i < hexlen; i += 2)
            {
                result[j] = (byte)int.Parse(self.Substring(i, 2), System.Globalization.NumberStyles.HexNumber);
                j++;
            }
            return result;
        }
    }
}