public static IServiceCollection ImportDnxServices(
[NotNull] this IServiceCollection services)
{
services.TryAdd(ServiceDescriptor.Instance(PlatformServices.Default.Application));
services.TryAdd(ServiceDescriptor.Instance(PlatformServices.Default.Runtime));
services.TryAdd(ServiceDescriptor.Instance(PlatformServices.Default.AssemblyLoadContextAccessor));
services.TryAdd(ServiceDescriptor.Instance(PlatformServices.Default.AssemblyLoaderContainer));
services.TryAdd(ServiceDescriptor.Instance(PlatformServices.Default.LibraryManager));
return(services);
}
// Internal for testing.
internal static void AddRazorViewEngineServices(IServiceCollection services)
{
if (CompilationServices.Default != null)
{
services.TryAdd(ServiceDescriptor.Instance(CompilationServices.Default.LibraryExporter));
services.TryAdd(ServiceDescriptor.Instance(CompilationServices.Default.CompilerOptionsProvider));
}
services.TryAddEnumerable(
ServiceDescriptor.Transient <IConfigureOptions <MvcViewOptions>, MvcRazorMvcViewOptionsSetup>());
services.TryAddEnumerable(
ServiceDescriptor.Transient <IConfigureOptions <RazorViewEngineOptions>, RazorViewEngineOptionsSetup>());
services.TryAddSingleton <IRazorViewEngine, RazorViewEngine>();
// Caches view locations that are valid for the lifetime of the application.
services.TryAddSingleton <IViewLocationCache, DefaultViewLocationCache>();
services.TryAdd(ServiceDescriptor.Singleton <IChunkTreeCache>(serviceProvider =>
{
var cachedFileProvider = serviceProvider.GetRequiredService <IOptions <RazorViewEngineOptions> >();
return(new DefaultChunkTreeCache(cachedFileProvider.Value.FileProvider));
}));
// Caches compilation artifacts across the lifetime of the application.
services.TryAddSingleton <ICompilerCacheProvider, DefaultCompilerCacheProvider>();
// This caches compilation related details that are valid across the lifetime of the application.
services.TryAddSingleton <ICompilationService, RoslynCompilationService>();
// In the default scenario the following services are singleton by virtue of being initialized as part of
// creating the singleton RazorViewEngine instance.
services.TryAddTransient <IRazorViewFactory, RazorViewFactory>();
services.TryAddTransient <IRazorPageFactory, VirtualPathRazorPageFactory>();
services.TryAddTransient <IRazorCompilationService, RazorCompilationService>();
services.TryAddTransient <IViewStartProvider, ViewStartProvider>();
services.TryAddTransient <IMvcRazorHost, MvcRazorHost>();
// This caches Razor page activation details that are valid for the lifetime of the application.
services.TryAddSingleton <IRazorPageActivator, RazorPageActivator>();
// Only want one ITagHelperActivator so it can cache Type activation information. Types won't conflict.
services.TryAddSingleton <ITagHelperActivator, DefaultTagHelperActivator>();
// Consumed by the Cache tag helper to cache results across the lifetime of the application.
services.TryAddSingleton <IMemoryCache, MemoryCache>();
}
