public RazorHost(NamespaceCollection namespaces, IChunkTreeCache chunkTreeCache, ITagHelperDescriptorResolver resolver, IBasePageTypeProvider basePageTypeProvider)
: base(chunkTreeCache, resolver)
{
// Remove the backtick from generic class names
string baseClassName = basePageTypeProvider.BasePageType.FullName;
int tickIndex = baseClassName.IndexOf('`');
if (tickIndex > 0)
{
baseClassName = baseClassName.Substring(0, tickIndex);
}
DefaultBaseClass = basePageTypeProvider.BasePageType.IsGenericTypeDefinition ? $"{baseClassName}<{ChunkHelper.TModelToken}>" : baseClassName;
DefaultInheritedChunks.OfType <SetBaseTypeChunk>().First().TypeName = DefaultBaseClass; // The chunk is actually what injects the base name into the view
EnableInstrumentation = false;
// Add additional default namespaces from the execution context
foreach (string ns in namespaces)
{
NamespaceImports.Add(ns);
}
}
public WyamDocumentPhase(string baseType, NamespaceCollection namespaces)
{
_baseType = baseType;
_namespaces = namespaces;
}
public override bool Equals(object obj)
{
NamespaceCollection other = obj as NamespaceCollection;
return(other != null && _namespaces.SequenceEqual(other._namespaces));
}
public RazorCompiler(CompilationParameters parameters)
{
_namespaces = parameters.Namespaces;
// Calculate the base page type
Type basePageType = parameters.BasePageType ?? typeof(WyamRazorPage <>);
string baseClassName = basePageType.FullName;
int tickIndex = baseClassName.IndexOf('`');
if (tickIndex > 0)
{
baseClassName = baseClassName.Substring(0, tickIndex);
}
_baseType = basePageType.IsGenericTypeDefinition ? $"{baseClassName}<TModel>" : baseClassName;
// Create the service collection that MVC needs and add default MVC services
ServiceCollection serviceCollection = new ServiceCollection();
// Register some of our own types
serviceCollection
.AddSingleton(parameters.FileSystem)
.AddSingleton <FileSystemFileProvider>()
.AddSingleton <ILoggerFactory, TraceLoggerFactory>()
.AddSingleton <DiagnosticSource, SilentDiagnosticSource>()
.AddSingleton <IHostingEnvironment, HostingEnvironment>()
.AddSingleton <ObjectPoolProvider, DefaultObjectPoolProvider>()
.AddSingleton <IRazorViewEngineFileProviderAccessor, DefaultRazorViewEngineFileProviderAccessor>()
.AddSingleton <IViewCompilerProvider, WyamRazorViewCompilerProvider>()
.AddSingleton <WyamRazorProjectFileSystem>()
.AddSingleton <RazorProjectFileSystem, WyamRazorProjectFileSystem>()
.AddSingleton <RazorProjectEngine>(x =>
RazorProjectEngine.Create(
RazorConfiguration.Default,
x.GetRequiredService <RazorProjectFileSystem>(),
b =>
{
// See MvcRazorMvcCoreBuilderExtensions.AddRazorViewEngineServices(IServiceCollection)
RazorExtensions.Register(b);
b.Features.Add(x.GetRequiredService <LazyMetadataReferenceFeature>()); // Lazily calls the MetadataReferenceFeatureProvider
b.Features.Add(new CompilationTagHelperFeature());
b.Features.Add(new DefaultTagHelperDescriptorProvider());
b.Features.Add(new ViewComponentTagHelperDescriptorProvider());
// We need to register a new document classifier phase because builder.SetBaseType() (which uses builder.ConfigureClass())
// use the DefaultRazorDocumentClassifierPhase which stops applying document classifier passes after DocumentIntermediateNode.DocumentKind is set
// (which gets set by the Razor document classifier passes registered in RazorExtensions.Register())
// Also need to add it just after the DocumentClassifierPhase, otherwise it'll miss the C# lowering phase
b.Phases.Insert(
b.Phases.IndexOf(b.Phases.OfType <IRazorDocumentClassifierPhase>().Last()) + 1,
new WyamDocumentPhase(_baseType, _namespaces));
}));
// Register the view location expander
serviceCollection.Configure <RazorViewEngineOptions>(options =>
{
options.ViewLocationExpanders.Add(new ViewLocationExpander());
});
// Add the default services _after_ adding our own
// (most default registration use .TryAdd...() so they skip already registered types)
IMvcCoreBuilder builder = serviceCollection
.AddMvcCore()
.AddRazorViewEngine();
// Get and register MetadataReferences
builder.PartManager.FeatureProviders.Add(
new MetadataReferenceFeatureProvider(parameters.DynamicAssemblies));
IServiceProvider serviceProvider = serviceCollection.BuildServiceProvider();
_serviceScopeFactory = serviceProvider.GetRequiredService <IServiceScopeFactory>();
}