Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/Compilation/NonBatchDirectoryCompiler.cs

@@ -0,0 +1,68 @@
+//------------------------------------------------------------------------------
+// <copyright file="NonBatchDirectoryCompiler.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+
+
+namespace System.Web.Compilation {
+
+    using System;
+    using System.IO;
+    using System.Collections;
+    using System.Reflection;
+    using System.Configuration;
+    using System.Web.Hosting;
+    using System.Web.Util;
+    using System.Web.Caching;
+    using System.Web.UI;
+    using System.Web.Configuration;
+
+    /*
+    * This class makes sure that every file in a directory is compiled individually (i.e. it
+    * doesn't use batching.  Also, the assemblies get stable names.
+    */
+    internal class NonBatchDirectoryCompiler {
+
+        // The <compilation> config section for the set of build providers that we handle
+        private CompilationSection _compConfig;
+
+        private VirtualDirectory _vdir;
+
+        internal NonBatchDirectoryCompiler(VirtualDirectory vdir) {
+            _vdir = vdir;
+            _compConfig = MTConfigUtil.GetCompilationConfig(_vdir.VirtualPath);
+        }
+
+        internal void Process() {
+
+            foreach (VirtualFile vfile in _vdir.Files) {
+
+                string extension = UrlPath.GetExtension(vfile.VirtualPath);
+
+                // Skip any file for which we can't get a BuildProvider type, as it is not
+                // compilable.
+                Type buildProviderType = CompilationUtil.GetBuildProviderTypeFromExtension(_compConfig,
+                    extension, BuildProviderAppliesTo.Web, false /*failIfUnknown*/);
+                if (buildProviderType == null)
+                    continue;
+
+                // If it's a source file, skip it.  We need to do this for v1 compatibility,
+                // since v1 VS projects contain many source files which have already been
+                // precompiled into bin, and that should not be compiled dynamically
+                if (buildProviderType == typeof(SourceFileBuildProvider))
+                    continue;
+
+                // For the same reason, skip resources
+                if (buildProviderType == typeof(ResXBuildProvider))
+                    continue;
+
+                // Call GetVPathBuildResult to cause the file to be compiled.  We ignore the
+                // return value.
+                BuildManager.GetVPathBuildResult(vfile.VirtualPathObject);
+            }
+        }
+    }
+
+}