コード例 #1
0
        public override void Enumerate(IMemberCompletionAcceptor acceptor)
        {
            if (acceptor == null)
            {
                throw ExceptionBuilder.ArgumentNull("acceptor");
            }

            NamedConstantExpression namedConstantExpression = _expressionBeforeDot as NamedConstantExpression;
            ParameterExpression     parameterExpression     = _expressionBeforeDot as ParameterExpression;

            IList <PropertyBinding> properties = null;

            if (namedConstantExpression == null && parameterExpression == null)
            {
                // The properties must be provided by a regular property provider.

                IPropertyProvider propertyProvider = _scope.DataContext.MetadataContext.PropertyProviders[_expressionBeforeDot.ExpressionType];

                if (propertyProvider != null)
                {
                    properties = propertyProvider.GetProperties(_expressionBeforeDot.ExpressionType);
                }
            }
            else
            {
                // The expression before the dot is named constant or a parameter. In both cases, the properties
                // could be contributed as custom properties.

                if (namedConstantExpression != null)
                {
                    properties = namedConstantExpression.Constant.CustomProperties;
                }
                else
                {
                    properties = parameterExpression.Parameter.CustomProperties;
                }
            }

            if (properties != null)
            {
                foreach (PropertyBinding propertyBinding in properties)
                {
                    acceptor.AcceptProperty(propertyBinding);
                }
            }

            // Now contribute any methods

            IMethodProvider methodProvider = _scope.DataContext.MetadataContext.MethodProviders[_expressionBeforeDot.ExpressionType];

            if (methodProvider != null)
            {
                MethodBinding[] methods = methodProvider.GetMethods(_expressionBeforeDot.ExpressionType);
                foreach (MethodBinding methodBinding in  methods)
                {
                    acceptor.AcceptMethod(methodBinding);
                }
            }
        }
コード例 #2
0
ファイル: MemberContext.cs プロジェクト: chenzuo/nquery
		public override void Enumerate(IMemberCompletionAcceptor acceptor)
		{
			if (acceptor == null)
				throw ExceptionBuilder.ArgumentNull("acceptor");
			
			NamedConstantExpression namedConstantExpression = _expressionBeforeDot as NamedConstantExpression;
			ParameterExpression parameterExpression = _expressionBeforeDot as ParameterExpression;

			IList<PropertyBinding> properties = null;

			if (namedConstantExpression == null && parameterExpression == null)
			{
				// The properties must be provided by a regular property provider.

				IPropertyProvider propertyProvider = _scope.DataContext.MetadataContext.PropertyProviders[_expressionBeforeDot.ExpressionType];

				if (propertyProvider != null)
					properties = propertyProvider.GetProperties(_expressionBeforeDot.ExpressionType);
			}
			else
			{
				// The expression before the dot is named constant or a parameter. In both cases, the properties 
				// could be contributed as custom properties.

				if (namedConstantExpression != null)
					properties = namedConstantExpression.Constant.CustomProperties;
				else
					properties = parameterExpression.Parameter.CustomProperties;
			}

			if (properties != null)
				foreach (PropertyBinding propertyBinding in properties)
					acceptor.AcceptProperty(propertyBinding);
				
			// Now contribute any methods

			IMethodProvider methodProvider = _scope.DataContext.MetadataContext.MethodProviders[_expressionBeforeDot.ExpressionType];
				
			if (methodProvider != null)
			{
				MethodBinding[] methods = methodProvider.GetMethods(_expressionBeforeDot.ExpressionType);
				foreach (MethodBinding methodBinding in  methods)
					acceptor.AcceptMethod(methodBinding);
			}
		}