Enable implicit usings on all projects (#520)

API/Content/Authentication/IUser.cs

@@ -12,5 +12,4 @@ public interface IUser
     /// the UI (e.g. a rendered, themed page).
     /// </summary>
     string DisplayName { get; }
-
 }

API/Content/Caching/ICache.cs

@@ -1,8 +1,4 @@
-using System;
-using System.IO;
-using System.Threading.Tasks;
-
-namespace GenHTTP.Api.Content.Caching;
+namespace GenHTTP.Api.Content.Caching;
 
 /// <summary>
 /// Saves intermediate results for fast access.
@@ -44,5 +40,4 @@ public interface ICache<T>
     /// <param name="variation">The variation specification of the entry</param>
     /// <param name="asyncWriter">A callback that allows to write the entry to the target stream</param>
     ValueTask StoreDirectAsync(string key, string variation, Func<Stream, ValueTask> asyncWriter);
-
 }

API/Content/Concerns.cs

@@ -1,7 +1,4 @@
-using System;
-using System.Collections.Generic;
-
-namespace GenHTTP.Api.Content;
+namespace GenHTTP.Api.Content;
 
 /// <summary>
 /// Utility class to work with concerns.
@@ -25,21 +22,20 @@ public static class Concerns
     /// <returns>The outermost handler or root of the chain</returns>
     public static IHandler Chain(IHandler parent, IEnumerable<IConcernBuilder> concerns, Func<IHandler, IHandler> factory)
     {
-            var stack = new Stack<IConcernBuilder>(concerns);
+        var stack = new Stack<IConcernBuilder>(concerns);
 
-            return Chain(parent, stack, factory);
-        }
+        return Chain(parent, stack, factory);
+    }
 
     private static IHandler Chain(IHandler parent, Stack<IConcernBuilder> remainders, Func<IHandler, IHandler> factory)
     {
-            if (remainders.Count > 0)
-            {
-                var concern = remainders.Pop();
-
-                return concern.Build(parent, (parent) => Chain(parent, remainders, factory));
-            }
+        if (remainders.Count > 0)
+        {
+            var concern = remainders.Pop();
 
-            return factory(parent);
+            return concern.Build(parent, p => Chain(p, remainders, factory));
         }
 
+        return factory(parent);
+    }
 }

API/Content/IConcern.cs

@@ -11,5 +11,4 @@ public interface IConcern : IHandler
     /// The actual handler the concern is added to.
     /// </summary>
     IHandler Content { get; }
-
 }

API/Content/IConcernBuilder.cs

@@ -1,6 +1,4 @@
-using System;
-
-namespace GenHTTP.Api.Content;
+namespace GenHTTP.Api.Content;
 
 /// <summary>
 /// Interface which needs to be implementd by factories providing concern instances.
@@ -15,5 +13,4 @@ public interface IConcernBuilder
     /// <param name="contentFactory">A method providing the content of the concern</param>
     /// <returns>The newly created concern instance</returns>
     IConcern Build(IHandler parent, Func<IHandler, IHandler> contentFactory);
-
 }

API/Content/IErrorMapper.cs

@@ -1,7 +1,4 @@
-using System;
-using System.Threading.Tasks;
-
-using GenHTTP.Api.Protocol;
+using GenHTTP.Api.Protocol;
 
 namespace GenHTTP.Api.Content;
 
@@ -19,15 +16,20 @@ public interface IErrorMapper<in T> where T : Exception
     /// <param name="request">The request which caused the error</param>
     /// <param name="handler">The handler which catched the exception</param>
     /// <param name="error">The actual exception to be mapped</param>
-    /// <returns>A HTTP response to be sent or null, if the error should be handled as not found by the next error handler in the chain</returns>
+    /// <returns>
+    /// A HTTP response to be sent or null, if the error should be handled as not found by the next error handler in
+    /// the chain
+    /// </returns>
     ValueTask<IResponse?> Map(IRequest request, IHandler handler, T error);
 
     /// <summary>
     /// Generates a HTTP response for a resource that has not been found.
     /// </summary>
     /// <param name="request">The currently handled request</param>
     /// <param name="handler">The inner  handler of the error handling concern</param>
-    /// <returns>A HTTP response to be sent or null, if the error should be handled as not found by the next error handler in the chain</returns>
+    /// <returns>
+    /// A HTTP response to be sent or null, if the error should be handled as not found by the next error handler in
+    /// the chain
+    /// </returns>
     ValueTask<IResponse?> GetNotFound(IRequest request, IHandler handler);
-
 }

API/Content/IHandler.cs

@@ -1,6 +1,4 @@
-using System.Threading.Tasks;
-
-using GenHTTP.Api.Protocol;
+using GenHTTP.Api.Protocol;
 
 namespace GenHTTP.Api.Content;
 
@@ -40,5 +38,4 @@ public interface IHandler
     /// <param name="request">The request to be handled</param>
     /// <returns>The response to be sent to the requesting client</returns>
     ValueTask<IResponse?> HandleAsync(IRequest request);
-
 }

API/Content/IHandlerBuilder.cs

@@ -3,7 +3,7 @@
 /// <summary>
 /// Allows to create a handler instance.
 /// </summary>
-public interface IHandlerBuilder 
+public interface IHandlerBuilder
 {
 
     /// <summary>
@@ -12,10 +12,9 @@ public interface IHandlerBuilder
     /// <param name="parent">The parent of the handler to be created</param>
     /// <returns>The newly created handler instance</returns>
     IHandler Build(IHandler parent);
-
 }
 
-public interface IHandlerBuilder<TBuilder> : IHandlerBuilder where TBuilder : IHandlerBuilder<TBuilder>
+public interface IHandlerBuilder<out TBuilder> : IHandlerBuilder where TBuilder : IHandlerBuilder<TBuilder>
 {
 
     /// <summary>
@@ -27,5 +26,4 @@ public interface IHandlerBuilder<TBuilder> : IHandlerBuilder where TBuilder : IH
     /// </remarks>
     /// <param name="concern">The concern to be added to the resulting handler</param>
     TBuilder Add(IConcernBuilder concern);
-
 }

API/Content/IO/ICompressionAlgorithm.cs

@@ -1,5 +1,4 @@
 using System.IO.Compression;
-
 using GenHTTP.Api.Infrastructure;
 using GenHTTP.Api.Protocol;
 
@@ -32,5 +31,4 @@ public interface ICompressionAlgorithm
     /// <param name="level">The compression level to be applied</param>
     /// <returns>A result representing the compressed content</returns>
     IResponseContent Compress(IResponseContent content, CompressionLevel level);
-
 }

API/Content/IO/IResource.cs

@@ -1,7 +1,4 @@
-using System;
-using System.IO;
-using System.Threading.Tasks;
-using GenHTTP.Api.Protocol;
+using GenHTTP.Api.Protocol;
 
 namespace GenHTTP.Api.Content.IO;
 
@@ -19,7 +16,7 @@ public interface IResource
 {
 
     /// <summary>
-    /// The name of this resource, if known. 
+    /// The name of this resource, if known.
     /// </summary>
     string? Name { get; }
 
@@ -63,5 +60,4 @@ public interface IResource
     /// <param name="target">The stream to write to</param>
     /// <param name="bufferSize">The buffer size to be used for the operation</param>
     ValueTask WriteAsync(Stream target, uint bufferSize);
-
 }

API/Content/IO/IResourceBuilder.cs

@@ -1,6 +1,4 @@
-using System;
-
-using GenHTTP.Api.Infrastructure;
+using GenHTTP.Api.Infrastructure;
 using GenHTTP.Api.Protocol;
 
 namespace GenHTTP.Api.Content.IO;
@@ -30,7 +28,6 @@ public interface IResourceBuilder<out T> : IBuilder<IResource> where T : IResour
     /// </summary>
     /// <param name="modified">The modification date and time of the resource</param>
     T Modified(DateTime modified);
-
 }
 
 public static class IResourceMetaDataBuilderExtensions
@@ -41,5 +38,4 @@ public static class IResourceMetaDataBuilderExtensions
     /// </summary>
     /// <param name="contentType">The content type of the resource</param>
     public static T Type<T>(this IResourceBuilder<T> builder, ContentType contentType) where T : IResourceBuilder<T> => builder.Type(FlexibleContentType.Get(contentType));
-
 }

API/Content/IO/IResourceContainer.cs

@@ -1,8 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-
-namespace GenHTTP.Api.Content.IO;
+namespace GenHTTP.Api.Content.IO;
 
 /// <summary>
 /// Provides a single hierarchy level in a structure
@@ -42,5 +38,4 @@ public interface IResourceContainer
     /// </summary>
     /// <returns>The resources provided by this container</returns>
     ValueTask<IReadOnlyCollection<IResource>> GetResources();
-
 }

API/Content/IO/IResourceNode.cs

@@ -16,5 +16,4 @@ public interface IResourceNode : IResourceContainer
     /// The parent of this node.
     /// </summary>
     IResourceContainer Parent { get; }
-
 }

API/Content/IO/IResourceTree.cs

@@ -4,7 +4,4 @@
 /// Provides resources organized into a tree structure
 /// (e.g. a directory or embedded ressources).
 /// </summary>
-public interface IResourceTree : IResourceContainer
-{
-
-}
+public interface IResourceTree : IResourceContainer;

API/Content/ProviderException.cs

@@ -1,6 +1,4 @@
-using System;
-
-using GenHTTP.Api.Protocol;
+using GenHTTP.Api.Protocol;
 
 namespace GenHTTP.Api.Content;
 
@@ -26,13 +24,13 @@ public class ProviderException : Exception
 
     public ProviderException(ResponseStatus status, string message) : base(message)
     {
-            Status = status;
-        }
+        Status = status;
+    }
 
     public ProviderException(ResponseStatus status, string message, Exception inner) : base(message, inner)
     {
-            Status = status;
-        }
+        Status = status;
+    }
 
     #endregion
 

API/GenHTTP.Api.csproj

@@ -1,44 +1,45 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
-  <PropertyGroup>
-
-    <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
-
-    <LangVersion>13.0</LangVersion>
-    <Nullable>enable</Nullable>
-    <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
-
-    <AssemblyVersion>9.0.0.0</AssemblyVersion>    
-    <FileVersion>9.0.0.0</FileVersion>    
-    <Version>9.0.0</Version>
-
-    <Authors>Andreas Nägeli</Authors>    
-    <Company />
-
-    <PackageLicenseFile>LICENSE</PackageLicenseFile>
-    <PackageProjectUrl>https://genhttp.org/</PackageProjectUrl>
-
-    <Description>Public API of the GenHTTP webserver. This package is at least required to build a project that can be executed with the GenHTTP webserver.</Description>
-    <PackageTags>HTTP Embedded Webserver Website Server Library C# Standard API</PackageTags>
-
-    <PublishRepositoryUrl>true</PublishRepositoryUrl>
-    <IncludeSymbols>true</IncludeSymbols>
-    <SymbolPackageFormat>snupkg</SymbolPackageFormat>
-
-	<GenerateDocumentationFile>true</GenerateDocumentationFile>
-	<NoWarn>CS1591,CS1587,CS1572,CS1573</NoWarn>
-
-    <PackageIcon>icon.png</PackageIcon>
-
-  </PropertyGroup>
-
-  <ItemGroup>
-
-    <None Include="..\LICENSE" Pack="true" PackagePath="\" />
-    <None Include="..\Resources\icon.png" Pack="true" PackagePath="\" />
-
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All" />
-
-  </ItemGroup>
+    <PropertyGroup>
+
+        <TargetFrameworks>net8.0;net9.0</TargetFrameworks>
+
+        <LangVersion>13.0</LangVersion>
+        <Nullable>enable</Nullable>
+        <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
+        <ImplicitUsings>enable</ImplicitUsings>
+
+        <AssemblyVersion>9.0.0.0</AssemblyVersion>
+        <FileVersion>9.0.0.0</FileVersion>
+        <Version>9.0.0</Version>
+
+        <Authors>Andreas Nägeli</Authors>
+        <Company/>
+
+        <PackageLicenseFile>LICENSE</PackageLicenseFile>
+        <PackageProjectUrl>https://genhttp.org/</PackageProjectUrl>
+
+        <Description>Public API of the GenHTTP webserver. This package is at least required to build a project that can be executed with the GenHTTP webserver.</Description>
+        <PackageTags>HTTP Embedded Webserver Website Server Library C# Standard API</PackageTags>
+
+        <PublishRepositoryUrl>true</PublishRepositoryUrl>
+        <IncludeSymbols>true</IncludeSymbols>
+        <SymbolPackageFormat>snupkg</SymbolPackageFormat>
+
+        <GenerateDocumentationFile>true</GenerateDocumentationFile>
+        <NoWarn>CS1591,CS1587,CS1572,CS1573</NoWarn>
+
+        <PackageIcon>icon.png</PackageIcon>
+
+    </PropertyGroup>
+
+    <ItemGroup>
+
+        <None Include="..\LICENSE" Pack="true" PackagePath="\"/>
+        <None Include="..\Resources\icon.png" Pack="true" PackagePath="\"/>
+
+        <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All"/>
+
+    </ItemGroup>
 
 </Project>

API/Infrastructure/BindingException.cs

@@ -1,6 +1,4 @@
-using System;
-
-namespace GenHTTP.Api.Infrastructure;
+namespace GenHTTP.Api.Infrastructure;
 
 /// <summary>
 /// Will be thrown, if the server cannot bind to the requested port for some reason.
@@ -12,6 +10,5 @@ public class BindingException : Exception
     public BindingException(string message, Exception inner) : base(message, inner)
     {
 
-        }
-
+    }
 }