Add VRChat and GitHub packages to Unity project

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

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+//-----------------------------------------------------------------------
+// <copyright file="MemberInfoExtensions.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.Collections.Generic;
+    using System.Linq;
+    using System.Reflection;
+    using System.Globalization;
+
+    /// <summary>
+    /// MemberInfo method extensions.
+    /// </summary>
+    public static class MemberInfoExtensions
+    {
+        /// <summary>
+        /// Returns true if the attribute whose type is specified by the generic argument is defined on this member
+        /// </summary>
+        public static bool IsDefined<T>(this ICustomAttributeProvider member, bool inherit) where T : Attribute
+        {
+            try
+            {
+                return member.IsDefined(typeof(T), inherit);
+            }
+            catch
+            {
+                return false;
+            }
+        }
+
+        /// <summary>
+        /// Returns true if the attribute whose type is specified by the generic argument is defined on this member
+        /// </summary>
+        public static bool IsDefined<T>(this ICustomAttributeProvider member) where T : Attribute
+        {
+            return IsDefined<T>(member, false);
+        }
+
+        /// <summary>
+        /// Returns the first found custom attribute of type T on this member
+        /// Returns null if none was found
+        /// </summary>
+        public static T GetAttribute<T>(this ICustomAttributeProvider member, bool inherit) where T : Attribute
+        {
+            var all = GetAttributes<T>(member, inherit).ToArray();
+            return (all == null || all.Length == 0) ? null : all[0];
+        }
+
+        /// <summary>
+        /// Returns the first found non-inherited custom attribute of type T on this member
+        /// Returns null if none was found
+        /// </summary>
+        public static T GetAttribute<T>(this ICustomAttributeProvider member) where T : Attribute
+        {
+            return GetAttribute<T>(member, false);
+        }
+
+        /// <summary>
+        /// Gets all attributes of the specified generic type.
+        /// </summary>
+        /// <param name="member">The member.</param>
+        public static IEnumerable<T> GetAttributes<T>(this ICustomAttributeProvider member) where T : Attribute
+        {
+            return GetAttributes<T>(member, false);
+        }
+
+        /// <summary>
+        /// Gets all attributes of the specified generic type.
+        /// </summary>
+        /// <param name="member">The member.</param>
+        /// <param name="inherit">If true, specifies to also search the ancestors of element for custom attributes.</param>
+        public static IEnumerable<T> GetAttributes<T>(this ICustomAttributeProvider member, bool inherit) where T : Attribute
+        {
+            try
+            {
+                return member.GetCustomAttributes(typeof(T), inherit).Cast<T>();
+            }
+            catch
+            {
+                return new T[0];
+            }
+        }
+
+        /// <summary>
+        /// Gets all attribute instances defined on a MemeberInfo.
+        /// </summary>
+        /// <param name="member">The member.</param>
+        public static Attribute[] GetAttributes(this ICustomAttributeProvider member)
+        {
+            try
+            {
+                return member.GetAttributes<Attribute>().ToArray();
+            }
+            catch
+            {
+                return new Attribute[0];
+            }
+        }
+
+        /// <summary>
+        /// Gets all attribute instances on a MemberInfo.
+        /// </summary>
+        /// <param name="member">The member.</param>
+        /// <param name="inherit">If true, specifies to also search the ancestors of element for custom attributes.</param>
+        public static Attribute[] GetAttributes(this ICustomAttributeProvider member, bool inherit)
+        {
+            try
+            {
+                return member.GetAttributes<Attribute>(inherit).ToArray();
+            }
+            catch
+            {
+                return new Attribute[0];
+            }
+        }
+
+        /// <summary>
+        /// If this member is a method, returns the full method name (name + params) otherwise the member name paskal splitted
+        /// </summary>
+        public static string GetNiceName(this MemberInfo member)
+        {
+            var method = member as MethodBase;
+            string result;
+            if (method != null)
+            {
+                result = method.GetFullName();
+            }
+            else
+            {
+                result = member.Name;
+            }
+
+            return result.ToTitleCase();
+        }
+
+        /// <summary>
+        /// Determines whether a FieldInfo, PropertyInfo or MethodInfo is static.
+        /// </summary>
+        /// <param name="member">The member.</param>
+        /// <returns>
+        ///   <c>true</c> if the specified member is static; otherwise, <c>false</c>.
+        /// </returns>
+        /// <exception cref="System.NotSupportedException"></exception>
+        public static bool IsStatic(this MemberInfo member)
+        {
+            var field = member as FieldInfo;
+            if (field != null)
+            {
+                return field.IsStatic;
+            }
+
+            var property = member as PropertyInfo;
+            if (property != null)
+            {
+                return property.CanRead ? property.GetGetMethod(true).IsStatic : property.GetSetMethod(true).IsStatic;
+            }
+
+            var method = member as MethodBase;
+            if (method != null)
+            {
+                return method.IsStatic;
+            }
+
+            var @event = member as EventInfo;
+            if (@event != null)
+            {
+                return @event.GetRaiseMethod(true).IsStatic;
+            }
+
+            var type = member as Type;
+            if (type != null)
+            {
+                return type.IsSealed && type.IsAbstract;
+            }
+
+            string message = string.Format(
+                CultureInfo.InvariantCulture,
+                "Unable to determine IsStatic for member {0}.{1}" +
+                "MemberType was {2} but only fields, properties and methods are supported.",
+                member.DeclaringType.FullName,
+                member.Name,
+                member.GetType().FullName);
+
+            throw new NotSupportedException(message);
+        }
+
+        /// <summary>
+        /// Determines whether the specified member is an alias.
+        /// </summary>
+        /// <param name="memberInfo">The member to check.</param>
+        /// <returns>
+        ///   <c>true</c> if the specified member is an alias; otherwise, <c>false</c>.
+        /// </returns>
+        public static bool IsAlias(this MemberInfo memberInfo)
+        {
+            return memberInfo is MemberAliasFieldInfo
+                || memberInfo is MemberAliasPropertyInfo
+                || memberInfo is MemberAliasMethodInfo;
+        }
+
+        /// <summary>
+        /// Returns the original, backing member of an alias member if the member is an alias.
+        /// </summary>
+        /// <param name="memberInfo">The member to check.</param>
+        /// /// <param name="throwOnNotAliased">if set to <c>true</c> an exception will be thrown if the member is not aliased.</param>
+        /// <returns></returns>
+        /// <exception cref="System.ArgumentException">The member was not aliased; this only occurs if throwOnNotAliased is true.</exception>
+        public static MemberInfo DeAlias(this MemberInfo memberInfo, bool throwOnNotAliased = false)
+        {
+            MemberAliasFieldInfo aliasFieldInfo = memberInfo as MemberAliasFieldInfo;
+
+            if (aliasFieldInfo != null)
+            {
+                return aliasFieldInfo.AliasedField;
+            }
+
+            MemberAliasPropertyInfo aliasPropertyInfo = memberInfo as MemberAliasPropertyInfo;
+
+            if (aliasPropertyInfo != null)
+            {
+                return aliasPropertyInfo.AliasedProperty;
+            }
+
+            MemberAliasMethodInfo aliasMethodInfo = memberInfo as MemberAliasMethodInfo;
+
+            if (aliasMethodInfo != null)
+            {
+                return aliasMethodInfo.AliasedMethod;
+            }
+
+            if (throwOnNotAliased)
+            {
+                throw new ArgumentException("The member " + memberInfo.GetNiceName() + " was not aliased.");
+            }
+
+            return memberInfo;
+        }
+    }
+}