Merge pull request #158 from ite-klass/ngettext

Replace NGettext dependency

Author: fubar-coder

src/FubarDev.FtpServer.Abstractions/Features/ILocalizationFeature.cs

@@ -4,7 +4,7 @@
 
 using System.Globalization;
 
-using NGettext;
+using FubarDev.FtpServer.Localization;
 
 namespace FubarDev.FtpServer.Features
 {
@@ -21,6 +21,6 @@ public interface ILocalizationFeature
         /// <summary>
         /// Gets or sets the catalog to be used by the default FTP server implementation.
         /// </summary>
-        ICatalog Catalog { get; set; }
+        ILocalizationCatalog Catalog { get; set; }
     }
 }

src/FubarDev.FtpServer.Abstractions/Features/Impl/LocalizationFeature.cs

@@ -6,8 +6,6 @@
 
 using FubarDev.FtpServer.Localization;
 
-using NGettext;
-
 namespace FubarDev.FtpServer.Features.Impl
 {
     /// <summary>
@@ -29,6 +27,6 @@ public LocalizationFeature(IFtpCatalogLoader catalogLoader)
         public CultureInfo Language { get; set; }
 
         /// <inheritdoc />
-        public ICatalog Catalog { get; set; }
+        public ILocalizationCatalog Catalog { get; set; }
     }
 }

src/FubarDev.FtpServer.Abstractions/FtpConnectionData.cs

@@ -22,8 +22,6 @@
 
 using Microsoft.AspNetCore.Http.Features;
 
-using NGettext;
-
 namespace FubarDev.FtpServer
 {
     /// <summary>
@@ -144,7 +142,7 @@ public CultureInfo Language
 
         /// <inheritdoc />
         [Obsolete("Query the information using the ILocalizationFeature instead.")]
-        public ICatalog Catalog
+        public ILocalizationCatalog Catalog
         {
             get => _featureCollection.Get<ILocalizationFeature>().Catalog;
             set => _featureCollection.Get<ILocalizationFeature>().Catalog = value;

src/FubarDev.FtpServer.Abstractions/FubarDev.FtpServer.Abstractions.csproj

@@ -11,7 +11,6 @@
     <PackageReference Include="Microsoft.AspNetCore.Http.Features" Version="5.0.17" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="6.0.1" />
     <PackageReference Include="Microsoft.Extensions.Options" Version="6.0.0" />
-    <PackageReference Include="NGettext" Version="0.6.7" />
     <PackageReference Include="System.ComponentModel.Annotations" Version="5.0.0" />
     <PackageReference Include="System.Net.Sockets" Version="4.3.0" />
     <PackageReference Include="System.Threading.Channels" Version="6.0.0" />

src/FubarDev.FtpServer.Abstractions/Localization/EmptyLocalizationCatalog.cs

@@ -0,0 +1,31 @@
+// <copyright file="EmptyLocalizationCatalog.cs" company="iT Engineering - Software Innovations">
+// Copyright (c) Jan Klass. All rights reserved.
+// </copyright>
+
+using System;
+using System.Globalization;
+
+namespace FubarDev.FtpServer.Localization
+{
+    /// <summary>A localization catalog that returns text as-is.</summary>
+    /// <remarks>
+    ///   <para>The texts in-code are written in English, so the effectively serves as an English catalog by returning texts as-is.</para>
+    ///   <para>The culture formatting for values still applies though.</para>
+    /// </remarks>
+    public class EmptyLocalizationCatalog : ILocalizationCatalog
+    {
+        public EmptyLocalizationCatalog(CultureInfo cultureInfo)
+        {
+            CultureInfo = cultureInfo ?? throw new ArgumentNullException(nameof(cultureInfo));
+            FormatProvider = cultureInfo;
+        }
+
+        public CultureInfo CultureInfo { get; }
+
+        public IFormatProvider FormatProvider { get; }
+
+        public virtual string GetString(string text) => text;
+
+        public virtual string GetString(string text, params object[] args) => string.Format(FormatProvider, text, args);
+    }
+}

src/FubarDev.FtpServer.Abstractions/Localization/IFtpCatalogLoader.cs

@@ -7,8 +7,6 @@
 using System.Threading;
 using System.Threading.Tasks;
 
-using NGettext;
-
 namespace FubarDev.FtpServer.Localization
 {
     /// <summary>
@@ -19,7 +17,7 @@ public interface IFtpCatalogLoader
         /// <summary>
         /// Gets the catalog for the <see cref="DefaultLanguage"/>.
         /// </summary>
-        ICatalog DefaultCatalog { get; }
+        ILocalizationCatalog DefaultCatalog { get; }
 
         /// <summary>
         /// Gets the default language.
@@ -38,6 +36,6 @@ public interface IFtpCatalogLoader
         /// <param name="language">The language to load the catalog for.</param>
         /// <param name="cancellationToken">The cancellation token.</param>
         /// <returns>The loaded catalog.</returns>
-        Task<ICatalog> LoadAsync(CultureInfo language, CancellationToken cancellationToken = default);
+        Task<ILocalizationCatalog> LoadAsync(CultureInfo language, CancellationToken cancellationToken = default);
     }
 }

src/FubarDev.FtpServer.Abstractions/Localization/ILocalizationCatalog.cs

@@ -0,0 +1,20 @@
+// <copyright file="ILocalizationCatalog.cs" company="iT Engineering - Software Innovations">
+// Copyright (c) Jan Klass. All rights reserved.
+// </copyright>
+
+namespace FubarDev.FtpServer.Localization
+{
+    public interface ILocalizationCatalog
+    {
+        /// <summary>Translate <paramref name="text"/>.</summary>
+        /// <param name="text">The text to be translated.</param>
+        /// <returns>The translated text.</returns>
+        string GetString(string text);
+
+        /// <summary>Translate <paramref name="text"/> with format values <paramref name="args"/>.</summary>
+        /// <param name="text">The text to be translated.</param>
+        /// <param name="args">The format arguments.</param>
+        /// <returns>The translated text.</returns>
+        string GetString(string text, params object[] args);
+    }
+}

src/FubarDev.FtpServer/Localization/DefaultFtpCatalogLoader.cs

@@ -7,8 +7,6 @@
 using System.Threading;
 using System.Threading.Tasks;
 
-using NGettext;
-
 namespace FubarDev.FtpServer.Localization
 {
     /// <summary>
@@ -19,7 +17,7 @@ public class DefaultFtpCatalogLoader : IFtpCatalogLoader
         private static readonly CultureInfo _defaultLanguage = new CultureInfo("en");
 
         /// <inheritdoc />
-        public ICatalog DefaultCatalog { get; } = new Catalog(_defaultLanguage);
+        public ILocalizationCatalog DefaultCatalog { get; } = new EmptyLocalizationCatalog(_defaultLanguage);
 
         /// <inheritdoc />
         public CultureInfo DefaultLanguage { get; } = _defaultLanguage;
@@ -34,9 +32,9 @@ public IReadOnlyCollection<string> GetSupportedLanguages()
         }
 
         /// <inheritdoc />
-        public Task<ICatalog> LoadAsync(CultureInfo language, CancellationToken cancellationToken = default)
+        public Task<ILocalizationCatalog> LoadAsync(CultureInfo language, CancellationToken cancellationToken = default)
         {
-            return Task.FromResult<ICatalog>(new Catalog(language));
+            return Task.FromResult<ILocalizationCatalog>(new EmptyLocalizationCatalog(language));
         }
     }
 }