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// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
namespace WixToolset.Core
{
using System;
using System.Collections.Generic;
using WixToolset.Core.CommandLine;
using WixToolset.Core.ExtensibilityServices;
using WixToolset.Data;
using WixToolset.Extensibility.Data;
using WixToolset.Extensibility.Services;
public sealed class WixToolsetServiceProvider : IServiceProvider
{
public WixToolsetServiceProvider()
{
this.CreationFunctions = new Dictionary<Type, Func<IServiceProvider, Dictionary<Type, object>, object>>();
this.Singletons = new Dictionary<Type, object>();
// Singletons.
this.AddService((provider, singletons) => AddSingleton<IExtensionManager>(singletons, new ExtensionManager(provider)));
this.AddService((provider, singletons) => AddSingleton<IMessaging>(singletons, new Messaging()));
this.AddService((provider, singletons) => AddSingleton<ITupleDefinitionCreator>(singletons, new TupleDefinitionCreator(provider)));
this.AddService((provider, singletons) => AddSingleton<IParseHelper>(singletons, new ParseHelper(provider)));
this.AddService((provider, singletons) => AddSingleton<IPreprocessHelper>(singletons, new PreprocessHelper(provider)));
this.AddService((provider, singletons) => AddSingleton<IBackendHelper>(singletons, new BackendHelper(provider)));
this.AddService((provider, singletons) => AddSingleton<IWindowsInstallerBackendHelper>(singletons, new WindowsInstallerBackendHelper(provider)));
// Transients.
this.AddService<ICommandLineArguments>((provider, singletons) => new CommandLineArguments(provider));
this.AddService<ICommandLineContext>((provider, singletons) => new CommandLineContext(provider));
this.AddService<ICommandLine>((provider, singletons) => new CommandLine.CommandLine(provider));
this.AddService<IPreprocessContext>((provider, singletons) => new PreprocessContext(provider));
this.AddService<ICompileContext>((provider, singletons) => new CompileContext(provider));
this.AddService<ILibraryContext>((provider, singletons) => new LibraryContext(provider));
this.AddService<ILinkContext>((provider, singletons) => new LinkContext(provider));
this.AddService<IResolveContext>((provider, singletons) => new ResolveContext(provider));
this.AddService<IBindContext>((provider, singletons) => new BindContext(provider));
this.AddService<IDecompileContext>((provider, singletons) => new DecompileContext(provider));
this.AddService<ILayoutContext>((provider, singletons) => new LayoutContext(provider));
this.AddService<IInscribeContext>((provider, singletons) => new InscribeContext(provider));
this.AddService<IBindFileWithPath>((provider, singletons) => new BindFileWithPath());
this.AddService<IBindPath>((provider, singletons) => new BindPath());
this.AddService<IBindResult>((provider, singletons) => new BindResult());
this.AddService<IComponentKeyPath>((provider, singletons) => new ComponentKeyPath());
this.AddService<IDecompileResult>((provider, singletons) => new DecompileResult());
this.AddService<IIncludedFile>((provider, singletons) => new IncludedFile());
this.AddService<IPreprocessResult>((provider, singletons) => new PreprocessResult());
this.AddService<IResolveFileResult>((provider, singletons) => new ResolveFileResult());
this.AddService<IResolveResult>((provider, singletons) => new ResolveResult());
this.AddService<IResolvedCabinet>((provider, singletons) => new ResolvedCabinet());
this.AddService<IVariableResolution>((provider, singletons) => new VariableResolution());
this.AddService<IBinder>((provider, singletons) => new Binder(provider));
this.AddService<ICompiler>((provider, singletons) => new Compiler(provider));
this.AddService<IDecompiler>((provider, singletons) => new Decompiler(provider));
this.AddService<ILayoutCreator>((provider, singletons) => new LayoutCreator(provider));
this.AddService<IPreprocessor>((provider, singletons) => new Preprocessor(provider));
this.AddService<ILibrarian>((provider, singletons) => new Librarian(provider));
this.AddService<ILinker>((provider, singletons) => new Linker(provider));
this.AddService<IResolver>((provider, singletons) => new Resolver(provider));
this.AddService<ILocalizationParser>((provider, singletons) => new LocalizationParser(provider));
this.AddService<IVariableResolver>((provider, singletons) => new VariableResolver(provider));
}
private Dictionary<Type, Func<IServiceProvider, Dictionary<Type, object>, object>> CreationFunctions { get; }
private Dictionary<Type, object> Singletons { get; }
public bool TryGetService(Type serviceType, out object service)
{
if (serviceType == null)
{
throw new ArgumentNullException(nameof(serviceType));
}
if (!this.Singletons.TryGetValue(serviceType, out service))
{
if (this.CreationFunctions.TryGetValue(serviceType, out var creationFunction))
{
service = creationFunction(this, this.Singletons);
#if DEBUG
if (!serviceType.IsAssignableFrom(service?.GetType()))
{
throw new InvalidOperationException($"Creation function for service type: {serviceType.Name} created incompatible service with type: {service?.GetType()}");
}
#endif
}
}
return service != null;
}
public object GetService(Type serviceType)
{
return this.TryGetService(serviceType, out var service) ? service : throw new ArgumentException($"Unknown service type: {serviceType.Name}", nameof(serviceType));
}
public void AddService(Type serviceType, Func<IServiceProvider, Dictionary<Type, object>, object> creationFunction)
{
this.CreationFunctions[serviceType] = creationFunction;
}
public void AddService<T>(Func<IServiceProvider, Dictionary<Type, object>, T> creationFunction)
where T : class
{
this.AddService(typeof(T), creationFunction);
}
private static T AddSingleton<T>(Dictionary<Type, object> singletons, T service)
where T : class
{
singletons.Add(typeof(T), service);
return service;
}
}
}
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