filter Apache copyright comments

Author: ansyral

src/Microsoft.Content.Build.Code2Yaml.Steps/PreprocessXml.cs

@@ -22,7 +22,13 @@ public class PreprocessXml : IStep
         private static readonly Regex ToRegularizeTypeRegex = new Regex(@"^(public|protected|private)(?=.*?<.*?>)", RegexOptions.Compiled);
         private static readonly Regex TemplateLeftTagRegex = new Regex(@"(<)\s*", RegexOptions.Compiled);
         private static readonly Regex TemplateRightTagRegex = new Regex(@"\s*(>)", RegexOptions.Compiled);
-        private static readonly string CopyRightComment = @"Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT License. See License.txt in the project root for license information.";
+        private static IReadOnlyList<string> CopyRightCommentCollection = new List<string>
+        {
+            @"Copyright (c) Microsoft Corporation. All rights reserved. Licensed under the MIT License. See License.txt in the project root for license information.",
+            @"Copyright Microsoft Corporation",
+            @"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.",
+        };
 
         public string StepName { get { return "Preprocess"; } }
 
@@ -155,7 +161,7 @@ await Directory.EnumerateFiles(inputPath, "*.xml").ForEachInParallelAsync(
                 // remove copyright comment
                 foreach (var node in doc.XPathSelectElements("//para").ToList())
                 {
-                    if (node.Value.Trim() == CopyRightComment)
+                    if (CopyRightCommentCollection.Contains(node.Value.Trim()))
                     {
                         node.Remove();
                     }