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48 lines
1.5 KiB
C#
48 lines
1.5 KiB
C#
// Licensed to the .NET Foundation under one or more agreements.
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// The .NET Foundation licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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using System.Linq.Expressions;
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using System.Reflection;
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namespace AntDesign.Internal
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{
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internal static class ColumnExpressionHelper
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{
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internal static MemberInfo? GetReturnMemberInfo(LambdaExpression expression)
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{
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var accessorBody = expression.Body;
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while (true)
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{
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if (accessorBody is UnaryExpression unaryExpression)
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{
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accessorBody = unaryExpression.Operand;
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}
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else if (accessorBody is ConditionalExpression conditionalExpression)
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{
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accessorBody = conditionalExpression.IfTrue;
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}
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else if (accessorBody is MethodCallExpression methodCallExpression)
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{
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accessorBody = methodCallExpression.Object;
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}
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else if (accessorBody is BinaryExpression binaryExpression)
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{
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accessorBody = binaryExpression.Left;
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}
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else
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{
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break;
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}
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}
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if (accessorBody is not MemberExpression memberExpression)
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{
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return null;
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}
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return memberExpression.Member;
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}
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}
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}
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