C# Codex 脚本编写功能示例

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
public class ScriptEngine
{
    private Dictionary<string, Func<string[], object>> _commands = new Dictionary<string, Func<string[], object>>();
    public ScriptEngine()
    {
        // 注册内置命令
        RegisterCommand("print", args =>
        {
            Console.WriteLine(string.Join(" ", args));
            return null;
        });
        RegisterCommand("add", args =>
        {
            if (args.Length < 2) return 0;
            return double.Parse(args[0]) + double.Parse(args[1]);
        });
    }
    public void RegisterCommand(string name, Func<string[], object> action)
    {
        _commands[name] = action;
    }
    public object ExecuteScript(string script)
    {
        var lines = script.Split(new[] { '\n' }, StringSplitOptions.RemoveEmptyEntries);
        object lastResult = null;
        foreach (var line in lines)
        {
            var trimmed = line.Trim();
            if (string.IsNullOrWhiteSpace(trimmed) || trimmed.StartsWith("//")) continue;
            var parts = Regex.Matches(trimmed, @"[\""].+?[\""]|[^ ]+")
                            .Cast<Match>()
                            .Select(m => m.Value.Trim('"'))
                            .ToArray();
            if (parts.Length == 0) continue;
            var command = parts[0];
            var args = parts.Skip(1).ToArray();
            if (_commands.TryGetValue(command, out var action))
            {
                lastResult = action(args);
            }
            else
            {
                throw new InvalidOperationException($"Unknown command: {command}");
            }
        }
        return lastResult;
    }
}
public class Program
{
    public static void Main()
    {
        var engine = new ScriptEngine();
        // 示例脚本
        string script = @"
            print ""Hello, Codex!""
            print ""Calculating...""
            add 5 3
            print ""Result:"" $last
        ";
        // 执行脚本
        engine.ExecuteScript(script);
    }
}

// 添加变量支持
private Dictionary<string, object> _variables = new Dictionary<string, object>();
// 添加条件语句支持
public object ExecuteIf(string condition, string thenScript, string elseScript = null)
{
    // 实现条件判断逻辑
}
// 添加循环支持
public void ExecuteWhile(string condition, string bodyScript)
{
    // 实现循环逻辑
}

// 注册自定义命令
engine.RegisterCommand("square", args =>
{
    if (args.Length < 1) return 0;
    var num = double.Parse(args[0]);
    return num * num;
});
// 使用变量
engine.RegisterCommand("set", args =>
{
    if (args.Length < 2) return null;
    _variables[args[0]] = args[1];
    return null;
});