Make extensions as static readonly fields

Author: hishamco

src/OrchardCoreContrib.PoExtractor.DotNet.CS/CSharpProjectProcessor.cs

@@ -12,6 +12,8 @@ namespace OrchardCoreContrib.PoExtractor.DotNet.CS
     /// </summary>
     public class CSharpProjectProcessor : IProjectProcessor
     {
+        private static readonly string _cSharpExtension = "*.cs";
+
         /// <inheritdoc/>
         public virtual void Process(string path, string basePath, LocalizableStringCollection localizableStrings)
         {
@@ -42,7 +44,7 @@ public virtual void Process(string path, string basePath, LocalizableStringColle
                 new DisplayAttributeShortNameStringExtractor(csharpMetadataProvider)
             }, localizableStrings);
 
-            foreach (var file in Directory.EnumerateFiles(path, "*.cs", SearchOption.AllDirectories).OrderBy(file => file))
+            foreach (var file in Directory.EnumerateFiles(path, $"*{_cSharpExtension}", SearchOption.AllDirectories).OrderBy(file => file))
             {
                 if (file.StartsWith(Path.Combine(path, "obj")))
                 {

src/OrchardCoreContrib.PoExtractor.DotNet.VB/VisualBasicProjectProcessor.cs

@@ -12,6 +12,8 @@ namespace OrchardCoreContrib.PoExtractor.DotNet.VB
     /// </summary>
     public class VisualBasicProjectProcessor : IProjectProcessor
     {
+        private static readonly string _visualBasicExtension = "*.vb";
+
         /// <inheritdoc/>
         public void Process(string path, string basePath, LocalizableStringCollection localizableStrings)
         {
@@ -42,7 +44,7 @@ public void Process(string path, string basePath, LocalizableStringCollection lo
                 new DisplayAttributeShortNameStringExtractor(visualBasicMetadataProvider)
             }, localizableStrings);
 
-            foreach (var file in Directory.EnumerateFiles(path, "*.vb", SearchOption.AllDirectories).OrderBy(file => file))
+            foreach (var file in Directory.EnumerateFiles(path, $"*{_visualBasicExtension}", SearchOption.AllDirectories).OrderBy(file => file))
             {
                 using (var stream = File.OpenRead(file))
                 {

src/OrchardCoreContrib.PoExtractor.Liquid/LiquidProjectProcessor.cs

@@ -14,6 +14,8 @@ namespace OrchardCoreContrib.PoExtractor.Liquid
     /// </summary>
     public class LiquidProjectProcessor : IProjectProcessor
     {
+        private static readonly string _liquidExtension = "*.liquid";
+
         private readonly LiquidViewParser _parser;
 
         /// <summary>
@@ -47,7 +49,7 @@ public void Process(string path, string basePath, LocalizableStringCollection lo
             var liquidMetadataProvider = new LiquidMetadataProvider(basePath);
             var liquidVisitor = new ExtractingLiquidWalker(new[] { new LiquidStringExtractor(liquidMetadataProvider) }, localizableStrings);
 
-            foreach (var file in Directory.EnumerateFiles(path, "*.liquid", SearchOption.AllDirectories).OrderBy(file => file))
+            foreach (var file in Directory.EnumerateFiles(path, $"*{_liquidExtension}", SearchOption.AllDirectories).OrderBy(file => file))
             {
                 using (var stream = File.OpenRead(file))
                 {

src/OrchardCoreContrib.PoExtractor.Razor/MetadataProviders/RazorMetadataProvider.cs

@@ -12,6 +12,8 @@ namespace OrchardCoreContrib.PoExtractor.Razor.MetadataProviders
     /// </summary>
     public class RazorMetadataProvider : IMetadataProvider<SyntaxNode>
     {
+        private static readonly string _razorExtension = ".cshtml";
+
         private string[] _sourceCache;
         private string _sourceCachePath;
 
@@ -36,7 +38,7 @@ public string GetContext(SyntaxNode node)
 
             var path = node.SyntaxTree.FilePath.TrimStart(_basePath);
 
-            return path.Replace(Path.DirectorySeparatorChar, '.').Replace(".cshtml", string.Empty);
+            return path.Replace(Path.DirectorySeparatorChar, '.').Replace(_razorExtension, string.Empty);
         }
 
         /// <inheritdoc/>