Added namespaces to some of the constants for the String+Constants extension in the library target.

Sources/DocCMiddleware/Internal/Extensions/String+Constants.swift

@@ -13,8 +13,18 @@
 extension String {
     /// An empty string.
     static let empty = ""
-    /// A forwarding slash.
-    static let forwardSlash = "/"
-    /// An indication of a previous folder in a path component.
-    static let previousFolder = ".."
+    
+    /// A namespace that defines logging representations.
+    enum Logging {
+        /// A name of the middleware that triggered a logging event.
+        static let source = "DocCMiddleware"
+    }
+    
+    /// A namespace that defines relative path representations.
+    enum Path {
+        /// A forwarding slash.
+        static let forwardSlash = "/"
+        /// An indication of a previous folder in a path component.
+        static let previousFolder = ".."
+    }
 }

Sources/DocCMiddleware/Internal/Use Cases/CheckURIUseCase.swift

@@ -23,8 +23,8 @@ struct CheckURIUseCase {
     func callAsFunction(_ uri: URI) -> String? {
         guard
             let uriPath = uri.path.removingPercentEncoding,
-            !uriPath.contains(.previousFolder),
-            uriPath.hasPrefix(.forwardSlash)
+            !uriPath.contains(.Path.previousFolder),
+            uriPath.hasPrefix(.Path.forwardSlash)
         else {
             return nil
         }

Sources/DocCMiddleware/Internal/Use Cases/PrepareURIPathUseCase.swift

@@ -56,7 +56,7 @@ struct PrepareURIPathUseCase {
         }
         
         let documentationName = uriRest
-            .split(separator: .forwardSlash)
+            .split(separator: .Path.forwardSlash)
             .map(String.init)
             .first
 
@@ -110,9 +110,9 @@ private extension PrepareURIPathUseCase {
             return nil
         }
         guard let uriRest = matches.output.1 else {
-            return .forwardSlash
+            return .Path.forwardSlash
         }
-        guard uriRest.hasPrefix(String.forwardSlash) else {
+        guard uriRest.hasPrefix(.Path.forwardSlash) else {
             return .init(format: .Format.Path.root, uriRest)
         }
         return uriRest

Sources/DocCMiddleware/Internal/Use Cases/RedirectURIUseCase.swift

@@ -50,7 +50,7 @@ struct RedirectURIUseCase {
                     statusCode: .movedPermanently,
                     redirect: uriPath
                 ),
-                source: .source
+                source: .Logging.source
             )
         }
         
@@ -61,10 +61,3 @@ struct RedirectURIUseCase {
     }
 
 }
-
-// MARK: - String+Constants
-
-private extension String {
-    /// A name of the middleware that triggered a logging event.
-    static let source = "DocCMiddleware"
-}

Tests/DocCMiddleware/Tests/Internal/Use Cases/PrepareURIPathUseCaseTests.swift

@@ -135,7 +135,7 @@ private extension Output {
     /// A list of expected outputs for the URI path samples, regardless their match against suffixed or not suffixed root URI paths.
     static let prepareURIPaths: [PrepareURIPathUseCase.PreparedURIPaths?] = [
         ("somearchive", "/SomeArchive.doccarchive", "/SomeArchive/some/content/path"),
-        (.empty, .empty, .forwardSlash),
+        (.empty, .empty, .Path.forwardSlash),
         nil
     ]
 }