编译性代码生成代码,CSharp代码库,德仔网

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【CSharp】编译性代码生成
作者:明昊 / 发布于2015/6/29/ 998

	/// <summary>
	/// 动态执行代码
	/// </summary>
	/// <param name="container"></param>
	/// <param name="code"></param>
	/// <returns></returns>
	public static void CodePrivoderRun(ITemplate _template)
	{
	 CompilerResults cr = csharpCompiler.CompileAssemblyFromSource(objCompilerParameters, GenerateCode(GetParams(_template.ParamKeyValue), _template.Resolver()));
	 if (cr.Errors.HasErrors)
	 {
	 throw new selfException.BuilderException(cr.Errors);
	 }
	 else
	 {
	 object objBuilderCode = cr.CompiledAssembly.CreateInstance("DynamicCodeGenerate.CodeBuilder");
	 MethodInfo objMI = objBuilderCode.GetType().GetMethod("Builder");
	 try
	 {
	 object result = objMI.Invoke(objBuilderCode, GetValues(_template.ParamKeyValue));
	 _template.Run(result);
	 }
	 catch
	 {
	 throw;
	 }
	 }
	}

	

	

	

	private static List<IFactory> factories = new List<IFactory>();
	 static BaseFactory()
	 {
	 var types = Assembly.GetExecutingAssembly().GetTypes();
	 factories.AddRange(from t in types where t.GetInterface("IFactory") != null && !t.IsAbstract select (IFactory)t.GetConstructor(Type.EmptyTypes).Invoke(null));
	 }
	 /// <summary>
	 /// 构造类
	 /// </summary>
	 /// <param name="factoryName"></param>
	 /// <param name="className"></param>
	 /// <returns></returns>
	 public static IFactory InitFactory(string factoryName)
	 {
	 IFactory _factory = null;
	 _factory = (from f in factories where f.Name == factoryName select f).Last();
	 return _factory;
	 }
	 public static IFactory InitFactory(FactoryEnum factoryEnum)
	 {
	 IFactory _factory = null;
	 _factory = (from f in factories where f.Name == Enum.GetName(factoryEnum.GetType(), factoryEnum) select f).Last();
	 return _factory;
	 }
	
	 /// <summary>
	 ///
	 /// </summary>
	 /// <param name="factoryName"></param>
	 /// <param name="className"></param>
	 /// <returns></returns>
	 public static object InitClass(string factoryName, string className)
	 {
	 IFactory _factory = InitFactory(factoryName);
	 if (_factory != null)
	 return _factory.Init(className);
	 return null;
	 }
	 public static object InitClass(FactoryEnum factoryEnum, string className)
	 {
	 IFactory _factory = InitFactory(factoryEnum);
	 if (_factory != null)
	 return _factory.Init(className);
	 return null;
	 }
	
	
	 /// <summary>
	 /// 添加工厂
	 /// </summary>
	 /// <param name="factory"></param>
	 public static void Append(IFactory factory)
	 {
	 if ((from f in factories where f.Name == factory.Name select f).Count() == 0)
	 factories.Add(factory);
	 else
	 Debug.WriteLine(string.Format("已存在{0}的实体类", factory.Name));
	 }
	
	 /// <summary>
	 /// 移除工厂
	 /// </summary>
	 /// <param name="name"></param>
	 public static void Remove(string name)
	 {
	 if ((from f in factories where f.Name == name select f).Count() == 0)
	 Debug.WriteLine(string.Format("不存在{0}的实体类", name));
	 else
	 factories.Remove((from f in factories where f.Name == name select f).First());
	 }

	

	

	internal class ResolverFactory : /*SingletonFactory<ResolverFactory>,*/ IFactory
	 {
	 public string Name { get { return "Resolver"; } }
	 private static List<IResolver> resolverDict = new List<IResolver>();
	 public ResolverFactory()
	 {
	 LoadData();
	 }
	 public object Init(string name)
	 {
	 IEnumerable<IResolver> resolvers = (from r in resolverDict where r.Name.Equals(name) select r);
	 if (resolvers != null && resolvers.Count() > 0)
	 return resolvers.FirstOrDefault();
	 else return null;
	 }
	
	 public void LoadData()
	 {
	 FileInfo[] files = Directory.CreateDirectory(string.Concat(Application.StartupPath, "\\plus")).GetFiles("*.dll");
	 foreach (FileInfo file in files)
	 {
	 Assembly assembly = Assembly.LoadFile(file.FullName);
	 Type[] types = assembly.GetTypes();
	 foreach (var t in types)
	 {
	 if (t.GetInterface("IResolver") != null)
	 {
	 IResolver resolver = (IResolver)Activator.CreateInstance(t);
	 resolverDict.Add(resolver);
	 }
	 }
	 }
	 }
	 }
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