js-c#-decode.cs

using System;
using System.Collections.Generic;
using System.Linq;

namespace ConsoleApplication4
{
    public static class Program
    {
        public static void Main(string[] args)
        {
            // 见 Decode 方法
        }

        public static List<ResultItem> Decode(string mode, string input)
        {
            Func<string, List<ResultItem>> process = a =>
            {
                var cc = new List<ResultItem>();
                Func<char, int> ee =
                    aa => aa >= '0' && '9' >= aa ? int.Parse(aa.ToString()) : aa - 'a' + 10;
                Func<string, int, ResultItem> ff = (aaa, bbb) =>
                {
                    var ccc = ee(aaa[bbb]);
                    var ddd = ee(aaa[bbb + 1]);
                    ddd = 15 & ddd;
                    var fff = (12 & ccc) >> 2;
                    var ggg = (2 & ccc) > 0;
                    var hhh = (1 & ccc) > 0;
                    return new ResultItem
                    {
                        Value = ddd,
                        Winner = fff,
                        PlayerPair = ggg,
                        BankerPair = hhh
                    };
                };
                var gg = 0;
                for (; gg < a.Length - 1; gg += 2)
                {
                    var bb = ff(a, gg);
                    if (bb.Winner != 3) cc.Add(bb);
                    else cc = new List<ResultItem>();
                }
                return cc;
            };
            if (string.IsNullOrEmpty(mode) || string.IsNullOrEmpty(input)) return new List<ResultItem>();
            switch (mode)
            {
                case "7bal":
                case "bal":
                    return process(input);
                case "rol":
                case "rofl":
                    return input.Split(';').Select(s => new ResultItem
                    {
                        Result = s
                    }).ToList();
                default:
                    throw new NotSupportedException(mode);
            }
        }

        public class ResultItem
        {
            public bool BankerPair { get; set; }

            public bool PlayerPair { get; set; }

            public int Value { get; set; }

            public int Winner { get; set; }

            public string Result { get; set; }
        }
    }
}