using System;
using System.IO;
using System.Text.RegularExpressions;

class Program
{
    static void Main(string[] args)
    {
        string filePath = "YourFilePath.cs"; // 替換為你的檔案路徑
        string className = "Json1";
        string newCode = @"
        public uint gData1 { get; set; } // [1] gData1 
        public Int16 gData2 { get; set; } // [2] gData2 
        public Int16 gData3 { get; set; } // [4] gData3 
        public Int16 gData4 { get; set; } // [5] gData4 
        public Int32 gData5 { get; set; } // [6] gData5 
        ";

        ReplaceClassCode(filePath, className, newCode);
    }

    static void ReplaceClassCode(string filePath, string className, string newCode)
    {
        // 讀取檔案內容
        string fileContent = File.ReadAllText(filePath);

        // 使用正則表達式尋找 class 並替換其內容
        string pattern = $@"(public class {className}\s*{{\s*).*?(}})";
        string replacement = $"$1{newCode}$2";
        string updatedContent = Regex.Replace(fileContent, pattern, replacement, RegexOptions.Singleline);

        // 寫回檔案
        File.WriteAllText(filePath, updatedContent);
        Console.WriteLine($"Class {className} has been updated successfully.");
    }
}