morrisjdev/FileContextCore

// Copyright (c) morrisjdev. All rights reserved.
// Original copyright (c) .NET Foundation. All rights reserved.
// Modified version by morrisjdev
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.

using System.Diagnostics;
using System.Linq;
using JetBrains.Annotations;

// ReSharper disable once CheckNamespace
namespace System.Reflection
{
    [DebuggerStepThrough]
    internal static class PropertyInfoExtensions
    {
        public static bool IsStatic(this PropertyInfo property)
            => (property.GetMethod ?? property.SetMethod).IsStatic;

        public static bool IsCandidateProperty(this PropertyInfo propertyInfo, bool needsWrite = true, bool publicOnly = true)
            => !propertyInfo.IsStatic()
               && propertyInfo.CanRead
               && (!needsWrite || propertyInfo.FindSetterProperty() != null)
               && propertyInfo.GetMethod != null && (!publicOnly || propertyInfo.GetMethod.IsPublic)
               && propertyInfo.GetIndexParameters().Length == 0;

        public static bool IsEFIndexerProperty([NotNull] this PropertyInfo propertyInfo)
        {
            if (propertyInfo.PropertyType == typeof(object))
            {
                var indexParams = propertyInfo.GetIndexParameters();
                if (indexParams.Length == 1
                    && indexParams[0].ParameterType == typeof(string))
                {
                    return true;
                }
            }

            return false;
        }

        public static PropertyInfo FindGetterProperty([NotNull] this PropertyInfo propertyInfo)
            => propertyInfo.DeclaringType
                .GetPropertiesInHierarchy(propertyInfo.GetSimpleMemberName())
                .FirstOrDefault(p => p.GetMethod != null);

        public static PropertyInfo FindSetterProperty([NotNull] this PropertyInfo propertyInfo)
            => propertyInfo.DeclaringType
                .GetPropertiesInHierarchy(propertyInfo.GetSimpleMemberName())
                .FirstOrDefault(p => p.SetMethod != null);
    }
}