using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Text.RegularExpressions;

namespace ConfigLab.Comp.DataType

{

    /// <summary>

    /// 功能简介：正则替换的封装处理

    /// 创建时间：2020-6-26

    /// 创建人：pcw
    /// 博客：https://www.cnblogs.com/taohuadaozhu

    /// 用法：

    ///RegReplaceWrapper rrp = new RegReplaceWrapper();

    ///rrp.setReplacementForMatchContext("abc", "123");

    ///MessageBox.Show(rrp.getReplaceResult("混淆代码前开始测试匹配abc,[abc],tabce,  abc cab ", @"\[([a-zA-Z]+)\]"));

    ///MessageBox.Show(rrp.getReplaceResult("混淆代码前开始测试匹配abc,[abc],tabce,  abc cab abc(); ", @"[^a-zA-Z0-9\u4e00-\u9fa5](abc)[^a-zA-Z0-9\u4e00-\u9fa5]"));

    /// </summary>

    public class RegReplaceWrapper

    {

        private string targetitem = "";

        private string replacement = "";

        /// <summary>

        /// 设置纯粹的替换（不考虑模式和所属上下文)

        /// </summary>

        /// <param name="sTargetItem"></param>

        /// <param name="sReplacement"></param>

        public void setReplacementForMatchContext(string sTargetItem, string sReplacement)

        {

            this.targetitem = sTargetItem;

            this.replacement = sReplacement;

        }

        private string setFormatOnMatch(Match match)

        {

            if (string.IsNullOrEmpty(this.targetitem) == false)

            {

                return match.Value.Replace(this.targetitem, this.replacement);

            }

            return match.Value;

        }

        public string getReplaceResult(string sSourceText, string sPattern, RegexOptions eRegexOptions = RegexOptions.Multiline)

        {

            try

            {

                return Regex.Replace(sSourceText, sPattern, new MatchEvaluator(setFormatOnMatch), eRegexOptions);

            }

            catch (Exception ex)

            {

            }

            return sSourceText;

        }

    }

}