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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
using System.Diagnostics;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.Diagnostics;
namespace Microsoft.AspNetCore.Analyzers;
internal sealed class UseMvcAnalyzer
{
private readonly StartupAnalysis _context;
public UseMvcAnalyzer(StartupAnalysis context)
{
_context = context;
}
public void AnalyzeSymbol(SymbolAnalysisContext context)
{
Debug.Assert(context.Symbol.Kind == SymbolKind.NamedType);
var type = (INamedTypeSymbol)context.Symbol;
var optionsAnalysis = _context.GetRelatedSingletonAnalysis<OptionsAnalysis>(type);
if (optionsAnalysis == null)
{
return;
}
// Find the middleware analysis foreach of the Configure methods defined by this class and validate.
//
// Note that this doesn't attempt to handle inheritance scenarios.
foreach (var middlewareAnalysis in _context.GetRelatedAnalyses<MiddlewareAnalysis>(type))
{
foreach (var middlewareItem in middlewareAnalysis.Middleware)
{
if (middlewareItem.UseMethod.Name == "UseMvc" || middlewareItem.UseMethod.Name == "UseMvcWithDefaultRoute")
{
// Report a diagnostic if it's unclear that the user turned off Endpoint Routing.
if (!OptionsFacts.IsEndpointRoutingExplicitlyDisabled(optionsAnalysis))
{
context.ReportDiagnostic(Diagnostic.Create(
StartupAnalyzer.Diagnostics.UnsupportedUseMvcWithEndpointRouting,
middlewareItem.Operation.Syntax.GetLocation(),
middlewareItem.UseMethod.Name,
optionsAnalysis.ConfigureServicesMethod.Name));
}
}
}
}
}
}
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