【m】插件上传

Packages/com.unity.renderstreaming@3.1.0-exp.9/Editor/RequestExtensions.cs

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+using System.Collections.Generic;       //IEnumerable
+using UnityEditor.PackageManager;       //PackageCollection  
+using UnityEditor.PackageManager.Requests;  //ListRequest
+
+
+namespace Unity.RenderStreaming.Editor
+{
+
+    /// <summary>
+    /// An extension class to extend the functionalities of UnityEditor.PackageManager.Requests classes
+    /// </summary>
+    internal static class RequestExtensions
+    {
+
+        /// <summary>
+        /// Find a PackageInfo which has the passed parameter 
+        /// </summary>
+        /// <param name="listRequest">list of <see cref="Request">Request</see> object</param>
+        /// <param name="packageName">the package name</param>
+        /// <returns>The PackageInfo if found, otherwise null</returns>
+        public static PackageInfo FindPackage(this Request<PackageCollection> listRequest, string packageName)
+        {
+            IEnumerable<PackageInfo> packageInfoCollection = listRequest.Result as IEnumerable<PackageInfo>;
+            if (null == packageInfoCollection)
+            {
+                return null;
+            }
+
+            var enumerator = packageInfoCollection.GetEnumerator();
+            while (enumerator.MoveNext())
+            {
+                PackageInfo curInfo = enumerator.Current;
+                if (curInfo.name == packageName)
+                {
+                    return curInfo;
+                }
+            }
+
+            return null;
+        }
+    }
+
+} //namespace Unity.RenderStreaming.Editor