Forgotten files
This commit is contained in:
Pavel Krymets
parent
566790577d
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// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.IO;
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using Microsoft.CodeAnalysis;
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using Microsoft.Dnx.Compilation.CSharp;
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using Microsoft.Extensions.CompilationAbstractions;
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using Microsoft.Extensions.Options;
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using Microsoft.Extensions.PlatformAbstractions;
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namespace Microsoft.AspNet.Mvc.Razor.Compilation
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{
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/// <summary>
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/// A type that uses Roslyn to compile C# content and <see cref="ILibraryExporter"/> to find out references.
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/// </summary>
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public class DefaultRoslynCompilationService : RoslynCompilationService
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{
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private readonly IApplicationEnvironment _environment;
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private readonly ILibraryExporter _libraryExporter;
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/// <summary>
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/// Initalizes a new instance of the <see cref="DefaultRoslynCompilationService"/> class.
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/// </summary>
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/// <param name="environment">The environment for the executing application.</param>
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/// <param name="libraryExporter">The library manager that provides export and reference information.</param>
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/// <param name="host">The <see cref="IMvcRazorHost"/> that was used to generate the code.</param>
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/// <param name="optionsAccessor">Accessor to <see cref="RazorViewEngineOptions"/>.</param>
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/// <param name="fileProviderAccessor">The <see cref="IRazorViewEngineFileProviderAccessor"/>.</param>
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public DefaultRoslynCompilationService(IApplicationEnvironment environment,
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ILibraryExporter libraryExporter,
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IMvcRazorHost host,
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IOptions<RazorViewEngineOptions> optionsAccessor,
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IRazorViewEngineFileProviderAccessor fileProviderAccessor)
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: base(environment, host, optionsAccessor, fileProviderAccessor)
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{
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_environment = environment;
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_libraryExporter = libraryExporter;
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}
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protected override List<MetadataReference> GetApplicationReferences()
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{
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var references = new List<MetadataReference>();
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// Get the MetadataReference for the executing application. If it's a Roslyn reference,
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// we can copy the references created when compiling the application to the Razor page being compiled.
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// This avoids performing expensive calls to MetadataReference.CreateFromImage.
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var libraryExport = _libraryExporter.GetExport(_environment.ApplicationName);
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if (libraryExport?.MetadataReferences != null && libraryExport.MetadataReferences.Count > 0)
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{
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Debug.Assert(libraryExport.MetadataReferences.Count == 1,
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"Expected 1 MetadataReferences, found " + libraryExport.MetadataReferences.Count);
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var roslynReference = libraryExport.MetadataReferences[0] as IRoslynMetadataReference;
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var compilationReference = roslynReference?.MetadataReference as CompilationReference;
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if (compilationReference != null)
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{
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references.AddRange(compilationReference.Compilation.References);
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references.Add(roslynReference.MetadataReference);
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return references;
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}
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}
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var export = _libraryExporter.GetAllExports(_environment.ApplicationName);
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if (export != null)
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{
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foreach (var metadataReference in export.MetadataReferences)
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{
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// Taken from https://github.com/aspnet/KRuntime/blob/757ba9bfdf80bd6277e715d6375969a7f44370ee/src/...
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// Microsoft.Extensions.Runtime.Roslyn/RoslynCompiler.cs#L164
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// We don't want to take a dependency on the Roslyn bit directly since it pulls in more dependencies
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// than the view engine needs (Microsoft.Extensions.Runtime) for example
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references.Add(ConvertMetadataReference(metadataReference));
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}
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}
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return references;
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}
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private MetadataReference ConvertMetadataReference(IMetadataReference metadataReference)
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{
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var roslynReference = metadataReference as IRoslynMetadataReference;
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if (roslynReference != null)
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{
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return roslynReference.MetadataReference;
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}
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var embeddedReference = metadataReference as IMetadataEmbeddedReference;
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if (embeddedReference != null)
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{
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return MetadataReference.CreateFromImage(embeddedReference.Contents);
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}
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var fileMetadataReference = metadataReference as IMetadataFileReference;
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if (fileMetadataReference != null)
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{
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return CreateMetadataFileReference(fileMetadataReference.Path);
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}
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var projectReference = metadataReference as IMetadataProjectReference;
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if (projectReference != null)
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{
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using (var ms = new MemoryStream())
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{
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projectReference.EmitReferenceAssembly(ms);
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return MetadataReference.CreateFromImage(ms.ToArray());
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}
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}
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throw new NotSupportedException();
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}
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}
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}
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// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System.Collections.Generic;
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using System.Linq;
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using Microsoft.CodeAnalysis;
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using Microsoft.Extensions.CompilationAbstractions;
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using Microsoft.Extensions.DependencyModel;
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using Microsoft.Extensions.Options;
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using Microsoft.Extensions.PlatformAbstractions;
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namespace Microsoft.AspNet.Mvc.Razor.Compilation
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{
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/// <summary>
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/// A type that uses Roslyn to compile C# content and <see cref="DependencyContext"/> to find out references.
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/// </summary>
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public class DependencyContextCompilationService : RoslynCompilationService
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{
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private DependencyContext _dependencyContext;
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/// <summary>
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/// Initalizes a new instance of the <see cref="DependencyContextCompilationService"/> class.
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/// </summary>
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/// <param name="environment">The environment for the executing application.</param>
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/// <param name="host">The <see cref="IMvcRazorHost"/> that was used to generate the code.</param>
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/// <param name="optionsAccessor">Accessor to <see cref="RazorViewEngineOptions"/>.</param>
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/// <param name="fileProviderAccessor">The <see cref="IRazorViewEngineFileProviderAccessor"/>.</param>
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public DependencyContextCompilationService(IApplicationEnvironment environment,
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IMvcRazorHost host,
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IOptions<RazorViewEngineOptions> optionsAccessor,
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IRazorViewEngineFileProviderAccessor fileProviderAccessor)
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: this(DependencyContext.Default, environment, host, optionsAccessor, fileProviderAccessor)
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{
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}
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/// <summary>
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/// Initalizes a new instance of the <see cref="DependencyContextCompilationService"/> class.
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/// </summary>
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/// <param name="dependencyContext"><see cref="DependencyContext"/> to use for reference resolution.</param>
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/// <param name="environment">The environment for the executing application.</param>
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/// <param name="host">The <see cref="IMvcRazorHost"/> that was used to generate the code.</param>
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/// <param name="optionsAccessor">Accessor to <see cref="RazorViewEngineOptions"/>.</param>
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/// <param name="fileProviderAccessor">The <see cref="IRazorViewEngineFileProviderAccessor"/>.</param>
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public DependencyContextCompilationService(DependencyContext dependencyContext,
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IApplicationEnvironment environment,
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IMvcRazorHost host,
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IOptions<RazorViewEngineOptions> optionsAccessor,
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IRazorViewEngineFileProviderAccessor fileProviderAccessor)
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: base(environment, host, optionsAccessor, fileProviderAccessor)
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{
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_dependencyContext = dependencyContext;
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}
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protected override List<MetadataReference> GetApplicationReferences()
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{
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return _dependencyContext.CompileLibraries
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.SelectMany(library => library.ResolveReferencePaths())
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.Select(CreateMetadataFileReference)
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.ToList();
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}
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}
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}
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@ -0,0 +1,88 @@
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// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System;
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using System.Collections.Generic;
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using Microsoft.AspNet.Mvc.Razor;
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using Microsoft.CodeAnalysis;
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using Microsoft.Extensions.Options;
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using Microsoft.Extensions.DependencyModel;
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namespace Microsoft.AspNet.Mvc
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{
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/// <summary>
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/// Sets up compilation and parse option default options for <see cref="RazorViewEngineOptions"/> using <see cref="DependencyContext"/>
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/// </summary>
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public class DependencyContextRazorViewEngineOptionsSetup : ConfigureOptions<RazorViewEngineOptions>
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{
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/// <summary>
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/// Initializes a new instance of <see cref="DependencyContextRazorViewEngineOptionsSetup"/>.
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/// </summary>
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public DependencyContextRazorViewEngineOptionsSetup() : this(DependencyContext.Default)
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{
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}
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/// <summary>
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/// Initializes a new instance of <see cref="DependencyContextRazorViewEngineOptionsSetup"/>.
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/// </summary>
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/// <param name="dependencyContext"><see cref="DependencyContext"/> to use as compilation and parse option source.</param>
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public DependencyContextRazorViewEngineOptionsSetup(DependencyContext dependencyContext) : base(options => ConfigureRazor(options, dependencyContext))
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{
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}
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private static void ConfigureRazor(RazorViewEngineOptions options, DependencyContext dependencyContext)
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{
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var compilationOptions = dependencyContext.CompilationOptions;
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SetParseOptions(options, compilationOptions);
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SetCompilationOptions(options, compilationOptions);
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}
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private static void SetCompilationOptions(RazorViewEngineOptions options, Microsoft.Extensions.DependencyModel.CompilationOptions compilationOptions)
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{
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var roslynOptions = options.CompilationOptions;
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// Disable 1702 until roslyn turns this off by default
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roslynOptions = roslynOptions.WithSpecificDiagnosticOptions(
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new Dictionary<string, ReportDiagnostic>
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{
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{"CS1701", ReportDiagnostic.Suppress}, // Binding redirects
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{"CS1702", ReportDiagnostic.Suppress},
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{"CS1705", ReportDiagnostic.Suppress}
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});
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if (compilationOptions.AllowUnsafe.HasValue)
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{
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roslynOptions = roslynOptions.WithAllowUnsafe(compilationOptions.AllowUnsafe.Value);
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}
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if (compilationOptions.Optimize.HasValue)
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{
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var optimizationLevel = compilationOptions.Optimize.Value ? OptimizationLevel.Debug : OptimizationLevel.Release;
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roslynOptions = roslynOptions.WithOptimizationLevel(optimizationLevel);
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}
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if (compilationOptions.WarningsAsErrors.HasValue)
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{
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var reportDiagnostic = compilationOptions.WarningsAsErrors.Value ? ReportDiagnostic.Error : ReportDiagnostic.Default;
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roslynOptions = roslynOptions.WithGeneralDiagnosticOption(reportDiagnostic);
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}
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options.CompilationOptions = roslynOptions;
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}
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private static void SetParseOptions(RazorViewEngineOptions options, Microsoft.Extensions.DependencyModel.CompilationOptions compilationOptions)
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{
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var roslynParseOptions = options.ParseOptions;
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roslynParseOptions = roslynParseOptions.WithPreprocessorSymbols(compilationOptions.Defines);
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var languageVersion = roslynParseOptions.LanguageVersion;
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if (Enum.TryParse(compilationOptions.LanguageVersion, ignoreCase: true, result: out languageVersion))
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{
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roslynParseOptions = roslynParseOptions.WithLanguageVersion(languageVersion);
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}
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options.ParseOptions = roslynParseOptions;
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}
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}
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}
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