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AssemblyResources.cs
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AssemblyResources.cs
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// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
using System.Resources;
using System.Reflection;
using System.Globalization;
#nullable disable
namespace Microsoft.Build.Shared
{
/// <summary>
/// This class provides access to the assembly's resources.
/// </summary>
internal static class AssemblyResources
{
/// <summary>
/// A slot for msbuild.exe to add a resource manager over its own resources, that can also be consulted.
/// </summary>
private static ResourceManager s_msbuildExeResourceManager;
/// <summary>
/// The internals of the Engine are exposed to MSBuild.exe, so they must share the same AssemblyResources class and
/// ResourceUtilities class that uses it. To make this possible, MSBuild.exe registers its resources here and they are
/// normally consulted last. This assumes that there are no duplicated resource ID's between the Engine and MSBuild.exe.
/// (Actually there are currently two: LoggerCreationError and LoggerNotFoundError.
/// We can't change the resource ID's this late in the cycle and we sometimes want to load the MSBuild.exe ones,
/// because they're a little different. So for that purpose we call GetStringLookingInMSBuildExeResourcesFirst() )
/// </summary>
internal static void RegisterMSBuildExeResources(ResourceManager manager)
{
ErrorUtilities.VerifyThrow(s_msbuildExeResourceManager == null, "Only one extra resource manager");
s_msbuildExeResourceManager = manager;
}
/// <summary>
/// Loads the specified resource string, either from the assembly's primary resources, or its shared resources.
/// </summary>
/// <remarks>This method is thread-safe.</remarks>
/// <param name="name"></param>
/// <returns>The resource string, or null if not found.</returns>
internal static string GetString(string name)
{
// NOTE: the ResourceManager.GetString() method is thread-safe
string resource = GetStringFromEngineResources(name);
if (resource == null)
{
resource = GetStringFromMSBuildExeResources(name);
}
return resource;
}
/// <summary>
/// Loads the specified resource string.
/// </summary>
/// <returns>The resource string, or null if not found.</returns>
internal static string GetStringLookingInMSBuildExeResourcesFirst(string name)
{
string resource = GetStringFromMSBuildExeResources(name);
if (resource == null)
{
resource = GetStringFromEngineResources(name);
}
return resource;
}
/// <summary>
/// Loads the specified resource string, from the Engine or else Shared resources.
/// </summary>
/// <returns>The resource string, or null if not found.</returns>
private static string GetStringFromEngineResources(string name)
{
string resource = s_resources.GetString(name, CultureInfo.CurrentUICulture);
if (resource == null)
{
resource = s_sharedResources.GetString(name, CultureInfo.CurrentUICulture);
}
ErrorUtilities.VerifyThrow(resource != null, "Missing resource '{0}'", name);
return resource;
}
/// <summary>
/// Loads the specified resource string, from the MSBuild.exe resources.
/// </summary>
/// <returns>The resource string, or null if not found.</returns>
private static string GetStringFromMSBuildExeResources(string name)
{
string resource = null;
if (s_msbuildExeResourceManager != null)
{
// Try MSBuild.exe's resources
resource = s_msbuildExeResourceManager.GetString(name, CultureInfo.CurrentUICulture);
}
return resource;
}
internal static ResourceManager PrimaryResources
{
get { return s_resources; }
}
internal static ResourceManager SharedResources
{
get { return s_sharedResources; }
}
// assembly resources
private static readonly ResourceManager s_resources = new ResourceManager("Microsoft.Build.Strings", typeof(AssemblyResources).GetTypeInfo().Assembly);
// shared resources
private static readonly ResourceManager s_sharedResources = new ResourceManager("Microsoft.Build.Strings.shared", typeof(AssemblyResources).GetTypeInfo().Assembly);
}
}