Add VRChat and GitHub packages to Unity project

Assets/Udon/Serialization/OdinSerializer/Utilities/Extensions/PropertyInfoExtensions.cs

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