70 lines
2.7 KiB
C#
70 lines
2.7 KiB
C#
//-----------------------------------------------------------------------
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// <copyright file="FieldInfoExtensions.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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/// FieldInfo method extensions.
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/// </summary>
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public static class FieldInfoExtensions
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{
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/// <summary>
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/// Determines whether the specified field is an alias.
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/// </summary>
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/// <param name="fieldInfo">The field to check.</param>
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/// <returns>
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/// <c>true</c> if the specified field is an alias; otherwise, <c>false</c>.
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/// </returns>
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public static bool IsAliasField(this FieldInfo fieldInfo)
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{
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return fieldInfo is MemberAliasFieldInfo;
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}
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/// <summary>
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/// Returns the original, backing field of an alias field if the field is an alias.
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/// </summary>
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/// <param name="fieldInfo">The field to check.</param>
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/// /// <param name="throwOnNotAliased">if set to <c>true</c> an exception will be thrown if the field is not aliased.</param>
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/// <returns></returns>
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/// <exception cref="System.ArgumentException">The field was not aliased; this only occurs if throwOnNotAliased is true.</exception>
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public static FieldInfo DeAliasField(this FieldInfo fieldInfo, bool throwOnNotAliased = false)
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{
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MemberAliasFieldInfo aliasFieldInfo = fieldInfo as MemberAliasFieldInfo;
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if (aliasFieldInfo != null)
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{
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while (aliasFieldInfo.AliasedField is MemberAliasFieldInfo)
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{
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aliasFieldInfo = aliasFieldInfo.AliasedField as MemberAliasFieldInfo;
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}
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return aliasFieldInfo.AliasedField;
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}
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if (throwOnNotAliased)
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{
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throw new ArgumentException("The field " + fieldInfo.GetNiceName() + " was not aliased.");
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}
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return fieldInfo;
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}
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}
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} |