Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/class/System.Web.Mvc3/Mvc/Razor/MvcWebPageRazorHost.cs

@@ -0,0 +1,64 @@
+using System.Diagnostics;
+using System.Diagnostics.CodeAnalysis;
+using System.Web.Razor.Generator;
+using System.Web.Razor.Parser;
+using System.Web.WebPages.Razor;
+
+namespace System.Web.Mvc.Razor
+{
+    [SuppressMessage("Microsoft.Naming", "CA1702:CompoundWordsShouldBeCasedCorrectly", MessageId = "WebPage", Justification = "The class name is derived from the name of the base type")]
+    public class MvcWebPageRazorHost : WebPageRazorHost
+    {
+        [SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors", Justification = "The NamespaceImports property should not be virtual. This is a temporary fix.")]
+        public MvcWebPageRazorHost(string virtualPath, string physicalPath)
+            : base(virtualPath, physicalPath)
+        {
+            RegisterSpecialFile(RazorViewEngine.ViewStartFileName, typeof(ViewStartPage));
+
+            DefaultPageBaseClass = typeof(WebViewPage).FullName;
+
+            // REVIEW get rid of the namespace import to not force additional references in default MVC projects
+            GetRidOfNamespace("System.Web.WebPages.Html");
+        }
+
+        public override RazorCodeGenerator DecorateCodeGenerator(RazorCodeGenerator incomingCodeGenerator)
+        {
+            if (incomingCodeGenerator is CSharpRazorCodeGenerator)
+            {
+                return new MvcCSharpRazorCodeGenerator(incomingCodeGenerator.ClassName,
+                                                       incomingCodeGenerator.RootNamespaceName,
+                                                       incomingCodeGenerator.SourceFileName,
+                                                       incomingCodeGenerator.Host);
+            }
+            else
+            {
+                return base.DecorateCodeGenerator(incomingCodeGenerator);
+            }
+        }
+
+        public override ParserBase DecorateCodeParser(ParserBase incomingCodeParser)
+        {
+            if (incomingCodeParser is CSharpCodeParser)
+            {
+                return new MvcCSharpRazorCodeParser();
+            }
+            else if (incomingCodeParser is VBCodeParser)
+            {
+                return new MvcVBRazorCodeParser();
+            }
+            else
+            {
+                return base.DecorateCodeParser(incomingCodeParser);
+            }
+        }
+
+        private void GetRidOfNamespace(string ns)
+        {
+            Debug.Assert(NamespaceImports.Contains(ns), ns + " is not a default namespace anymore");
+            if (NamespaceImports.Contains(ns))
+            {
+                NamespaceImports.Remove(ns);
+            }
+        }
+    }
+}