using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace NDSD_TouchSocket
{
    internal class BufferAnalysis
    {
        private static bool LastState;
        public static int CountNumber = 0;

        public static void JudgeSingle(bool state)
        {
            if (state == true)
            {
                LastState = state;
                CountNumber++;
            }
            else if (state == false && LastState == false)
            {
                LastState = state;
                CountNumber++;
            }
        }


        /// <summary>
        /// 将一个数组拆成另外一个数组
        /// </summary>
        /// <param name="originbyte">原始数组，被拆分的数组</param>
        /// <param name="oringinstartindex">从原始数组第几个元素开始</param>
        /// <param name="destbytelength">目标数组的长度</param>
        /// <param name="destbytestartindex">目标数组开始的元素序号，默认为0</param>
        /// <returns></returns>
        public static byte[] SplitByteArray(byte[] originbyte, int oringinstartindex, int destbytelength, int destbytestartindex = 0)
        {
            byte[] result = new byte[destbytelength];
            System.Array.Copy(originbyte, oringinstartindex, result, destbytestartindex, destbytelength);
            return result;
        }
    }
}