• 设为首页
  • 点击收藏
  • 手机版
    手机扫一扫访问
    迪恩网络手机版
  • 关注官方公众号
    微信扫一扫关注
    迪恩网络公众号

C# Expressions.EvaluationContext类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C#中Microsoft.Build.Internal.Expressions.EvaluationContext的典型用法代码示例。如果您正苦于以下问题:C# EvaluationContext类的具体用法?C# EvaluationContext怎么用?C# EvaluationContext使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



EvaluationContext类属于Microsoft.Build.Internal.Expressions命名空间,在下文中一共展示了EvaluationContext类的8个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C#代码示例。

示例1: EvaluateAsBoolean

		public override bool EvaluateAsBoolean (EvaluationContext context)
		{
			if (string.Equals (Name.Name, "Exists", StringComparison.OrdinalIgnoreCase)) {
				if (Arguments.Count != 1)
					throw new InvalidProjectFileException (Location, "Function 'Exists' expects 1 argument");
				string val = Arguments.First ().EvaluateAsString (context);
				return Directory.Exists (val) || System.IO.File.Exists (val);
			}
			if (string.Equals (Name.Name, "HasTrailingSlash", StringComparison.OrdinalIgnoreCase)) {
				if (Arguments.Count != 1)
					throw new InvalidProjectFileException (Location, "Function 'HasTrailingSlash' expects 1 argument");
				string val = Arguments.First ().EvaluateAsString (context);
				return val.LastOrDefault () == '\\' || val.LastOrDefault () == '/';
			}
			throw new InvalidProjectFileException (Location, string.Format ("Unsupported function '{0}'", Name));
		}
开发者ID:GirlD,项目名称:mono,代码行数:16,代码来源:ExpressionEvaluator.cs


示例2: EvaluateAsStringWithoutQuote

		public string EvaluateAsStringWithoutQuote (EvaluationContext context)
		{
			return string.Concat (Contents.Select (e => e.EvaluateAsString (context)));
		}
开发者ID:KonajuGames,项目名称:SharpLang,代码行数:4,代码来源:ExpressionEvaluator.cs


示例3: EvaluateAsString

		public override string EvaluateAsString (EvaluationContext context)
		{
			return Value.Name;
		}
开发者ID:GirlD,项目名称:mono,代码行数:4,代码来源:ExpressionEvaluator.cs


示例4: EvaluateAsObject

		public override object EvaluateAsObject (EvaluationContext context)
		{
			return EvaluateAsString (context);
		}
开发者ID:GirlD,项目名称:mono,代码行数:4,代码来源:ExpressionEvaluator.cs


示例5: EvaluateStringAsBoolean

		public bool EvaluateStringAsBoolean (EvaluationContext context, string ret)
		{
			if (ret != null) {
				if (ret.Equals ("TRUE", StringComparison.InvariantCultureIgnoreCase))
					return true;
				else if (ret.Equals ("FALSE", StringComparison.InvariantCultureIgnoreCase))
					return false;
			}
			throw new InvalidProjectFileException (this.Location, string.Format ("Condition '{0}' is evaluated as '{1}' and cannot be converted to boolean", context.Source, ret));
		}
开发者ID:GirlD,项目名称:mono,代码行数:10,代码来源:ExpressionEvaluator.cs


示例6: DoEvaluateAsObject

		object DoEvaluateAsObject (EvaluationContext context)
		{
			if (Access.Target == null) {
				return context.EvaluateProperty (Access.Name.Name);
			} else {
				if (this.Access.TargetType == PropertyTargetType.Object) {
					var obj = Access.Target.EvaluateAsObject (context);
					if (obj == null)
						return null;
					if (Access.Arguments != null) {
						var args = Access.Arguments.Select (e => e.EvaluateAsObject (context)).ToArray ();
						var method = FindMethod (obj.GetType (), Access.Name.Name, args);
						if (method == null)
							throw new InvalidProjectFileException (Location, string.Format ("access to undefined method '{0}' of '{1}' at {2}", Access.Name.Name, Access.Target.EvaluateAsString (context), Location));
						return method.Invoke (obj, AdjustArgsForCall (method, args));
					} else {
						var prop = obj.GetType ().GetProperty (Access.Name.Name);
						if (prop == null)
							throw new InvalidProjectFileException (Location, string.Format ("access to undefined property '{0}' of '{1}' at {2}", Access.Name.Name, Access.Target.EvaluateAsString (context), Location));
						return prop.GetValue (obj, null);
					}
				} else {
					var type = Type.GetType (Access.Target.EvaluateAsString (context));
					if (type == null)
						throw new InvalidProjectFileException (Location, string.Format ("specified type '{0}' was not found", Access.Target.EvaluateAsString (context)));
					if (Access.Arguments != null) {
						var args = Access.Arguments.Select (e => e.EvaluateAsObject (context)).ToArray ();
						var method = FindMethod (type, Access.Name.Name, args);
						if (method == null)
							throw new InvalidProjectFileException (Location, string.Format ("access to undefined static method '{0}' of '{1}' at {2}", Access.Name.Name, Access.Target.EvaluateAsString (context), Location));
						return method.Invoke (null, AdjustArgsForCall (method, args));
					} else {
						var prop = type.GetProperty (Access.Name.Name);
						if (prop == null)
							throw new InvalidProjectFileException (Location, string.Format ("access to undefined static property '{0}' of '{1}' at {2}", Access.Name.Name, Access.Target.EvaluateAsString (context), Location));
						return prop.GetValue (null, null);
					}
				}
			}
		}
开发者ID:GirlD,项目名称:mono,代码行数:40,代码来源:ExpressionEvaluator.cs


示例7: EvaluateAsString

		public override string EvaluateAsString (EvaluationContext context)
		{
			string itemType = Application.Name.Name;
			var items = context.GetItems (itemType);
			if (!items.Any ())
				return null;
			if (Application.Expressions == null)
				return string.Join (";", items.Select (item => Unwrap (context.EvaluateItem (itemType, item))));
			else
				return string.Join (";", items.Select (item => {
					context.ContextItem = item;
					var ret = Unwrap (string.Concat (Application.Expressions.Select (e => e.EvaluateAsString (context))));
					context.ContextItem = null;
					return ret;
				}));
		}
开发者ID:ming871,项目名称:NoahGameFrame,代码行数:16,代码来源:ExpressionEvaluator.cs


示例8: EvaluateAsString

		public override string EvaluateAsString (EvaluationContext context)
		{
			return QuoteChar + EvaluateAsStringWithoutQuote (context) + QuoteChar;
		}
开发者ID:KonajuGames,项目名称:SharpLang,代码行数:4,代码来源:ExpressionEvaluator.cs



注:本文中的Microsoft.Build.Internal.Expressions.EvaluationContext类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


鲜花

握手

雷人

路过

鸡蛋
该文章已有0人参与评论

请发表评论

全部评论

专题导读
上一篇:
C# Shared.AssemblyNameExtension类代码示例发布时间:2022-05-26
下一篇:
C# Framework.TaskStartedEventArgs类代码示例发布时间:2022-05-26
热门推荐
阅读排行榜

扫描微信二维码

查看手机版网站

随时了解更新最新资讯

139-2527-9053

在线客服(服务时间 9:00~18:00)

在线QQ客服
地址:深圳市南山区西丽大学城创智工业园
电邮:jeky_zhao#qq.com
移动电话:139-2527-9053

Powered by 互联科技 X3.4© 2001-2213 极客世界.|Sitemap