osu/osu.Game/Localisation/ResourceManagerLocalisation...

104 lines
3.4 KiB
C#

// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
#nullable disable
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Resources;
using System.Threading;
using System.Threading.Tasks;
using osu.Framework.Localisation;
namespace osu.Game.Localisation
{
public class ResourceManagerLocalisationStore : ILocalisationStore
{
private readonly Dictionary<string, ResourceManager> resourceManagers = new Dictionary<string, ResourceManager>();
public ResourceManagerLocalisationStore(string cultureCode)
{
EffectiveCulture = new CultureInfo(cultureCode);
}
public void Dispose()
{
}
public string Get(string lookup)
{
string[] split = lookup.Split(':');
if (split.Length < 2)
return null;
string ns = split[0];
string key = split[1];
lock (resourceManagers)
{
if (!resourceManagers.TryGetValue(ns, out var manager))
{
var loadedAssemblies = AppDomain.CurrentDomain.GetAssemblies();
// Traverse backwards through periods in the namespace to find a matching assembly.
string assemblyName = ns;
while (!string.IsNullOrEmpty(assemblyName))
{
var matchingAssembly = loadedAssemblies.FirstOrDefault(asm => asm.GetName().Name == assemblyName);
if (matchingAssembly != null)
{
resourceManagers[ns] = manager = new ResourceManager(ns, matchingAssembly);
break;
}
int lastIndex = Math.Max(0, assemblyName.LastIndexOf('.'));
assemblyName = assemblyName.Substring(0, lastIndex);
}
}
if (manager == null)
return null;
// When using the English culture, prefer the fallbacks rather than osu-resources baked strings.
// They are guaranteed to be up-to-date, and is also what a developer expects to see when making changes to `xxxStrings.cs` files.
if (EffectiveCulture.Name == @"en")
return null;
try
{
return manager.GetString(key, EffectiveCulture);
}
catch (MissingManifestResourceException)
{
// in the case the manifest is missing, it is likely that the user is adding code-first implementations of new localisation namespaces.
// it's fine to ignore this as localisation will fallback to default values.
return null;
}
}
}
public Task<string> GetAsync(string lookup, CancellationToken cancellationToken = default)
{
return Task.FromResult(Get(lookup));
}
public Stream GetStream(string name)
{
throw new NotImplementedException();
}
public IEnumerable<string> GetAvailableResources()
{
throw new NotImplementedException();
}
public CultureInfo EffectiveCulture { get; }
}
}