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Include all strings from GetAllStrings (#264)
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src/Microsoft.Extensions.Localization/Internal/AssemblyResourceStringProvider.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,149 @@ | ||
| // Copyright (c) .NET Foundation. All rights reserved. | ||
| // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. | ||
|
|
||
| using System; | ||
| using System.Collections; | ||
| using System.Collections.Generic; | ||
| using System.Globalization; | ||
| using System.IO; | ||
| using System.Reflection; | ||
| using System.Resources; | ||
| using System.Text; | ||
|
|
||
| namespace Microsoft.Extensions.Localization.Internal | ||
| { | ||
| public class AssemblyResourceStringProvider : IResourceStringProvider | ||
| { | ||
| private const string AssemblyElementDelimiter = ", "; | ||
| private static readonly string[] _assemblyElementDelimiterArray = new[] { AssemblyElementDelimiter }; | ||
| private static readonly char[] _assemblyEqualDelimiter = new[] { '=' }; | ||
|
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| private readonly AssemblyWrapper _assembly; | ||
| private readonly string _resourceBaseName; | ||
| private readonly IResourceNamesCache _resourceNamesCache; | ||
|
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| public AssemblyResourceStringProvider( | ||
| IResourceNamesCache resourceCache, | ||
| AssemblyWrapper resourceAssembly, | ||
| string resourceBaseName) | ||
| { | ||
| _resourceNamesCache = resourceCache; | ||
| _assembly = resourceAssembly; | ||
| _resourceBaseName = resourceBaseName; | ||
| } | ||
|
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| private string GetResourceCacheKey(CultureInfo culture) | ||
| { | ||
| var assemblyName = ApplyCultureToAssembly(culture); | ||
|
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| return $"Assembly={assemblyName};resourceName={_resourceBaseName}"; | ||
| } | ||
|
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| private string GetResourceName(CultureInfo culture) | ||
| { | ||
| var resourceStreamName = _resourceBaseName; | ||
| if (!string.IsNullOrEmpty(culture.Name)) | ||
| { | ||
| resourceStreamName += "." + culture.Name; | ||
| } | ||
| resourceStreamName += ".resources"; | ||
|
|
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| return resourceStreamName; | ||
| } | ||
|
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| private IList<string> ThrowOrNull(CultureInfo culture, bool throwOnMissing) | ||
| { | ||
| if (throwOnMissing) | ||
| { | ||
| throw new MissingManifestResourceException( | ||
| Resources.FormatLocalization_MissingManifest(GetResourceName(culture))); | ||
| } | ||
|
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| return null; | ||
| } | ||
|
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| public IList<string> GetAllResourceStrings(CultureInfo culture, bool throwOnMissing) | ||
| { | ||
| var cacheKey = GetResourceCacheKey(culture); | ||
| return _resourceNamesCache.GetOrAdd(cacheKey, _ => | ||
| { | ||
| var assembly = GetAssembly(culture); | ||
| if (assembly == null) | ||
| { | ||
| return ThrowOrNull(culture, throwOnMissing); | ||
| } | ||
|
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| var resourceStreamName = GetResourceName(culture); | ||
| using (var resourceStream = assembly.GetManifestResourceStream(resourceStreamName)) | ||
| { | ||
| if (resourceStream == null) | ||
| { | ||
| return ThrowOrNull(culture, throwOnMissing); | ||
| } | ||
|
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| using (var resources = new ResourceReader(resourceStream)) | ||
| { | ||
| var names = new List<string>(); | ||
| foreach (DictionaryEntry entry in resources) | ||
| { | ||
| var resourceName = (string)entry.Key; | ||
| names.Add(resourceName); | ||
| } | ||
| return names; | ||
| } | ||
| } | ||
| }); | ||
| } | ||
|
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| protected virtual AssemblyWrapper GetAssembly(CultureInfo culture) | ||
| { | ||
| var assemblyString = ApplyCultureToAssembly(culture); | ||
| Assembly assembly; | ||
| try | ||
| { | ||
| assembly = Assembly.Load(new AssemblyName(assemblyString)); | ||
| } | ||
| catch (FileNotFoundException) | ||
| { | ||
| return null; | ||
| } | ||
|
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| return new AssemblyWrapper(assembly); | ||
| } | ||
|
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| // This is all a workaround for https://github.com/dotnet/coreclr/issues/6123 | ||
| private string ApplyCultureToAssembly(CultureInfo culture) | ||
| { | ||
| var builder = new StringBuilder(_assembly.FullName); | ||
|
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| var cultureName = string.IsNullOrEmpty(culture.Name) ? "neutral" : culture.Name; | ||
| var cultureString = $"Culture={cultureName}"; | ||
|
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| var cultureStartIndex = _assembly.FullName.IndexOf("Culture", StringComparison.OrdinalIgnoreCase); | ||
| if (cultureStartIndex < 0) | ||
| { | ||
| builder.Append(AssemblyElementDelimiter + cultureString); | ||
| } | ||
| else | ||
| { | ||
| var cultureEndIndex = _assembly.FullName.IndexOf( | ||
| AssemblyElementDelimiter, | ||
| cultureStartIndex, | ||
| StringComparison.Ordinal); | ||
| var cultureLength = cultureEndIndex - cultureStartIndex; | ||
| builder.Remove(cultureStartIndex, cultureLength); | ||
| builder.Insert(cultureStartIndex, cultureString); | ||
| } | ||
|
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| var firstSplit = _assembly.FullName.IndexOf(AssemblyElementDelimiter); | ||
| if (firstSplit < 0) | ||
| { | ||
| //Index of end of Assembly name | ||
| firstSplit = _assembly.FullName.Length; | ||
| } | ||
| builder.Insert(firstSplit, ".resources"); | ||
|
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| return builder.ToString(); | ||
| } | ||
| } | ||
| } |
13 changes: 13 additions & 0 deletions
13
src/Microsoft.Extensions.Localization/Internal/IResourceStringProvider.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| // Copyright (c) .NET Foundation. All rights reserved. | ||
| // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. | ||
|
|
||
| using System.Collections.Generic; | ||
| using System.Globalization; | ||
|
|
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| namespace Microsoft.Extensions.Localization.Internal | ||
| { | ||
| public interface IResourceStringProvider | ||
| { | ||
| IList<string> GetAllResourceStrings(CultureInfo culture, bool throwOnMissing); | ||
| } | ||
| } |
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