Added .vb file support

Merge pull request #1 from tcoza/main

NamespaceAdjuster/NamespaceAdjuster.csproj

@@ -52,6 +52,7 @@
     <Compile Include="NamespaceUpdater\IFileNamespaceUpdater.cs" />
     <Compile Include="NamespaceUpdater\LogicFileNamespaceUpdaterService.cs" />
     <Compile Include="NamespaceUpdater\FileNamespaceUpdaterProvider.cs" />
+    <Compile Include="NamespaceUpdater\VbNamespaceUpdaterService.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="NamespaceAdjusterPackage.cs" />
     <Compile Include="SolutionSelection\ISolutionSelectionService.cs" />

NamespaceAdjuster/NamespaceUpdater/FileNamespaceUpdaterProvider.cs

@@ -11,6 +11,7 @@ internal class FileNamespaceUpdaterProvider
 		public FileNamespaceUpdaterProvider()
 		{
 			updaterServices.Add(new CsNamespaceUpdaterService());
+			updaterServices.Add(new VbNamespaceUpdaterService());
 		}
 
 		public IFileNamespaceUpdater GetUpdater(string filePath)

NamespaceAdjuster/NamespaceUpdater/VbNamespaceUpdaterService.cs

@@ -0,0 +1,21 @@
+using System.Text.RegularExpressions;
+
+namespace NamespaceUpdater
+{
+	internal class VbNamespaceUpdaterService : LogicFileNamespaceUpdaterService
+	{
+		protected override string SupportedFileExtension => ".vb";
+
+		protected override string NamespaceStartLimiter => string.Empty;
+
+		protected override string NamespaceEndLimiter => "End Namespace";
+
+        protected override Match FindNamespaceMatch(string fileContent) =>
+			Regex.Match(fileContent, @"[\r\n|\r|\n]?Namespace\s(.+)");
+
+		protected override MatchCollection FindUsingMatches(string fileContent) =>
+			Regex.Matches(fileContent, @"\n?Imports\s(.+)");
+
+		protected override string BuildNamespaceLine(string desiredNamespace) => "Namespace " + desiredNamespace;
+	}
+}