translation using NGettext.Wpf

2023-12-08 06:23:17 +01:00
parent 8997a2eacb
commit 5dd3716012
73 changed files with 3001 additions and 17699 deletions
--- a/src/NGettext.Wpf/Localizer.cs
+++ b/src/NGettext.Wpf/Localizer.cs
@@ -0,0 +1,117 @@
+
+using System.Globalization;
+using System.IO;
+
+namespace NGettext.Wpf
+{
+    public interface ILocalizer
+    {
+        ICatalog Catalog { get; }
+        ICatalog GetCatalog(CultureInfo cultureInfo);
+        ICultureTracker CultureTracker { get; }
+    }
+
+    public class Localizer : IDisposable, ILocalizer
+    {
+        string _domainName;
+        string _localeFolder;
+
+        public Localizer(ICultureTracker cultureTracker, string domainName, string localeFolder)
+        {
+            _domainName = domainName;
+            _localeFolder = localeFolder;
+            CultureTracker = cultureTracker;
+
+            if (cultureTracker == null)
+                throw new ArgumentNullException(nameof(cultureTracker));
+
+            cultureTracker.CultureChanging += ResetCatalog;
+            ResetCatalog(cultureTracker.CurrentCulture);
+        }
+
+        void ResetCatalog(object sender, CultureEventArgs e)
+        {
+            ResetCatalog(e.CultureInfo);
+        }
+
+        void ResetCatalog(CultureInfo cultureInfo)
+        {
+            Catalog = GetCatalog(cultureInfo);
+        }
+
+        public ICatalog GetCatalog(CultureInfo cultureInfo) =>
+            new Catalog(_domainName, _localeFolder, cultureInfo);
+
+        public ICatalog Catalog { get; private set; }
+
+        public ICultureTracker CultureTracker { get; }
+
+        public void Dispose()
+        {
+            CultureTracker.CultureChanging -= ResetCatalog;
+        }
+    }
+
+    public static class LocalizerExtensions
+    {
+        internal struct MsgIdWithContext
+        {
+            internal string Context { get; set; }
+            internal string MsgId { get; set; }
+        }
+
+        internal static MsgIdWithContext ConvertToMsgIdWithContext(string msgId)
+        {
+            var result = new MsgIdWithContext { MsgId = msgId };
+
+            if (msgId.Contains("|"))
+            {
+                var pipePosition = msgId.IndexOf('|');
+                result.Context = msgId.Substring(0, pipePosition);
+                result.MsgId = msgId.Substring(pipePosition + 1);
+            }
+
+            return result;
+        }
+
+        internal static string Gettext(this ILocalizer localizer, string msgId, params object[] values)
+        {
+            if (msgId == null)
+                return "";
+            
+            var msgIdWithContext = ConvertToMsgIdWithContext(msgId);
+
+            if (localizer is null)
+            {
+                CompositionRoot.WriteMissingInitializationErrorMessage();
+                return string.Format(msgIdWithContext.MsgId, values);
+            }
+
+            if (msgIdWithContext.Context != null)
+            {
+                return localizer.Catalog.GetParticularString(msgIdWithContext.Context, msgIdWithContext.MsgId, values);
+            }
+
+            return localizer.Catalog.GetString(msgIdWithContext.MsgId, values);
+        }
+
+        internal static string? Gettext(this ILocalizer localizer, string msgId)
+        {
+            if (msgId is null) 
+                return null;
+
+            var msgIdWithContext = ConvertToMsgIdWithContext(msgId);
+
+            if (localizer is null)
+            {
+                CompositionRoot.WriteMissingInitializationErrorMessage();
+                return msgIdWithContext.MsgId;
+            }
+
+            if (msgIdWithContext.Context != null)
+                return localizer.Catalog.GetParticularString(msgIdWithContext.Context, msgIdWithContext.MsgId);
+
+            return localizer.Catalog.GetString(msgIdWithContext.MsgId);
+        }
+    }
+}