行为型/解释器模式/InterpreterService.cs

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using Common.Extension;
using DesignModeConsole.行为型.解释器模式.告警规则简单;
using DesignModeConsole.行为型.解释器模式.告警规则进阶;

namespace DesignModeConsole.行为型.解释器模式;

/// <summary>
/// 解释器模式
/// </summary>
public class InterpreterService : IService
{
    public void Main()
    {
        //// 加减乘除示例
        //SampleOperator("4 5 6 7 + * +");

        // 加减乘除封装示例
        //var interpreter = new ExpressionInterpreter1();
        //interpreter.SampleOperator("4 5 6 7 + * +");

        // 告警
        //AlarmRuleHandler();

        AlertRuleHandler2();
    }

    /// <summary>
    /// 实现一个简单的语法算法
    /// 4 5 6 7 - * +
    /// 实现(4-5)*6+7
    /// </summary>
    public void SampleOperator(string str)
    {
        var list = new List<int>();

        var strArray = str.Split(" ");
        for (var i = 0; i < (strArray.Length + 1) / 2; i++)
        {
            list.Add(strArray[i].ToInt());
        }

        var startIndex = (strArray.Length + 1) / 2;
        for (var i = startIndex; i < strArray.Length; i++)
        {
            if (strArray[i] is not "+" and not "-" and not "*" and not "/")
            {
                throw new NotSupportedException("不支持的操作符");
            }

            var number1 = list[0];
            var number2 = list[1];

            list.RemoveAt(0);
            list.RemoveAt(0);

            var result = strArray[i] switch
            {
                "+" => number1 + number2,
                "-" => number1 - number2,
                "*" => number1 * number2,