public override object Parse(ParserContext context) { if (string.IsNullOrWhiteSpace(context.Text)) { return(null); } //处理特殊路径表达式,即获取插件文件路径或目录 if (context.Text == "~") { return(context.Plugin.FilePath); } else if (context.Text == "~/") { return(System.IO.Path.GetDirectoryName(context.Plugin.FilePath)); } var text = PluginPath.PreparePathText(context.Text, out var mode); if (string.IsNullOrWhiteSpace(text)) { throw new PluginException($"Missing argument of the path parser."); } return(context.Node.Resolve(text, mode, context.MemberType)); }
public override Type GetValueType(ParserContext context) { if (string.IsNullOrWhiteSpace(context.Text)) { return(null); } //处理特殊路径表达式,即获取插件文件路径或目录 if (context.Text.StartsWith("~")) { return(typeof(string)); } var expression = Collections.HierarchicalExpression.Parse(PluginPath.PreparePathText(context.Text)); var node = context.Node.Find(expression.Path); if (node != null && node.ValueType != null) { return(PluginUtility.GetMemberType(expression.Accessor, node.ValueType)); } return(null); }
public override Type GetValueType(ParserContext context) { if (string.IsNullOrWhiteSpace(context.Text)) { return(null); } //处理特殊路径表达式,即获取插件文件路径或目录 if (context.Text.StartsWith("~")) { return(typeof(string)); } var expression = PluginPath.Parse(PluginPath.PreparePathText(context.Text)); var node = context.Node.Find(expression.Path); if (node != null && node.ValueType != null) { return(Reflection.MemberAccess.GetMemberType(node.ValueType, expression.Members)); } return(null); }