106 lines
4.0 KiB
C#
106 lines
4.0 KiB
C#
//-----------------------------------------------------------------------
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// <copyright file="PropertyInfoExtensions.cs" company="Sirenix IVS">
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// Copyright (c) 2018 Sirenix IVS
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// </copyright>
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//-----------------------------------------------------------------------
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namespace VRC.Udon.Serialization.OdinSerializer.Utilities
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{
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using System;
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using System.Reflection;
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/// <summary>
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/// PropertyInfo method extensions.
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/// </summary>
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public static class PropertyInfoExtensions
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{
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/// <summary>
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/// Determines whether a property is an auto property with a usable getter and setter.
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/// </summary>
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public static bool IsAutoProperty(this PropertyInfo propInfo, bool allowVirtual = false)
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{
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if (!(propInfo.CanWrite && propInfo.CanRead))
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{
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return false;
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}
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if (!allowVirtual)
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{
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var getter = propInfo.GetGetMethod(true);
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var setter = propInfo.GetSetMethod(true);
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if ((getter != null && (getter.IsAbstract || getter.IsVirtual)) || (setter != null && (setter.IsAbstract || setter.IsVirtual)))
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{
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return false;
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}
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}
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var flag = BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static;
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string compilerGeneratedName = "<" + propInfo.Name + ">";
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var fields = propInfo.DeclaringType.GetFields(flag);
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for (int i = 0; i < fields.Length; i++)
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{
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if (fields[i].Name.Contains(compilerGeneratedName))
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{
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return true;
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}
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}
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return false;
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}
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/// <summary>
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/// Determines whether the specified property is an alias.
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/// </summary>
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/// <param name="propertyInfo">The property to check.</param>
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/// <returns>
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/// <c>true</c> if the specified property is an alias; otherwise, <c>false</c>.
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/// </returns>
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public static bool IsAliasProperty(this PropertyInfo propertyInfo)
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{
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return propertyInfo is MemberAliasPropertyInfo;
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}
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/// <summary>
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/// Returns the original, backing property of an alias property if the property is an alias.
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/// </summary>
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/// <param name="propertyInfo">The property to check.</param>
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/// /// <param name="throwOnNotAliased">if set to <c>true</c> an exception will be thrown if the property is not aliased.</param>
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/// <returns></returns>
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/// <exception cref="System.ArgumentException">The property was not aliased; this only occurs if throwOnNotAliased is true.</exception>
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public static PropertyInfo DeAliasProperty(this PropertyInfo propertyInfo, bool throwOnNotAliased = false)
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{
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MemberAliasPropertyInfo aliasPropertyInfo = propertyInfo as MemberAliasPropertyInfo;
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if (aliasPropertyInfo != null)
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{
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while (aliasPropertyInfo.AliasedProperty is MemberAliasPropertyInfo)
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{
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aliasPropertyInfo = aliasPropertyInfo.AliasedProperty as MemberAliasPropertyInfo;
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}
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return aliasPropertyInfo.AliasedProperty;
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}
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if (throwOnNotAliased)
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{
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throw new ArgumentException("The property " + propertyInfo.GetNiceName() + " was not aliased.");
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}
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return propertyInfo;
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}
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}
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} |