Co-hosting: Add API for mapping a generated document URI and range back to the host document (#10712)

There's a fair amount of refactoring here, but I was careful to separate
everything. So, I recommend reviewing commit-by-commit.

Author: DustinCampbell

src/Razor/benchmarks/Microsoft.AspNetCore.Razor.Microbenchmarks/LanguageServer/RazorCodeActionsBenchmark.cs

@@ -49,7 +49,7 @@ public enum FileTypes
     public async Task SetupAsync()
     {
         CodeActionEndpoint = new CodeActionEndpoint(
-            documentMappingService: RazorLanguageServerHost.GetRequiredService<IRazorDocumentMappingService>(),
+            documentMappingService: RazorLanguageServerHost.GetRequiredService<IDocumentMappingService>(),
             razorCodeActionProviders: RazorLanguageServerHost.GetRequiredService<IEnumerable<IRazorCodeActionProvider>>(),
             csharpCodeActionProviders: RazorLanguageServerHost.GetRequiredService<IEnumerable<ICSharpCodeActionProvider>>(),
             htmlCodeActionProviders: RazorLanguageServerHost.GetRequiredService<IEnumerable<IHtmlCodeActionProvider>>(),

src/Razor/benchmarks/Microsoft.AspNetCore.Razor.Microbenchmarks/LanguageServer/RazorCompletionBenchmark.cs

@@ -38,7 +38,7 @@ public async Task SetupAsync()
         var razorCompletionListProvider = RazorLanguageServerHost.GetRequiredService<RazorCompletionListProvider>();
         var lspServices = RazorLanguageServerHost.GetRequiredService<ILspServices>();
         var responseRewriters = lspServices.GetRequiredServices<DelegatedCompletionResponseRewriter>();
-        var documentMappingService = lspServices.GetRequiredService<IRazorDocumentMappingService>();
+        var documentMappingService = lspServices.GetRequiredService<IDocumentMappingService>();
         var clientConnection = lspServices.GetRequiredService<IClientConnection>();
         var completionListCache = lspServices.GetRequiredService<CompletionListCache>();
         var loggerFactory = lspServices.GetRequiredService<ILoggerFactory>();
@@ -141,7 +141,7 @@ public async Task RazorCompletionAsync()
 
     private class TestDelegatedCompletionListProvider : DelegatedCompletionListProvider
     {
-        public TestDelegatedCompletionListProvider(IEnumerable<DelegatedCompletionResponseRewriter> responseRewriters, IRazorDocumentMappingService documentMappingService, IClientConnection clientConnection, CompletionListCache completionListCache)
+        public TestDelegatedCompletionListProvider(IEnumerable<DelegatedCompletionResponseRewriter> responseRewriters, IDocumentMappingService documentMappingService, IClientConnection clientConnection, CompletionListCache completionListCache)
             : base(responseRewriters, documentMappingService, clientConnection, completionListCache)
         {
         }

src/Razor/benchmarks/Microsoft.AspNetCore.Razor.Microbenchmarks/LanguageServer/RazorDiagnosticsBenchmark.cs

@@ -115,9 +115,9 @@ private protected override LanguageServerFeatureOptions BuildFeatureOptions()
             MockBehavior.Strict);
     }
 
-    private IRazorDocumentMappingService BuildRazorDocumentMappingService()
+    private IDocumentMappingService BuildRazorDocumentMappingService()
     {
-        var razorDocumentMappingService = new Mock<IRazorDocumentMappingService>(MockBehavior.Strict);
+        var razorDocumentMappingService = new Mock<IDocumentMappingService>(MockBehavior.Strict);
 
         Range? hostDocumentRange;
         razorDocumentMappingService.Setup(

src/Razor/benchmarks/Microsoft.AspNetCore.Razor.Microbenchmarks/LanguageServer/RazorDocumentMappingBenchmark.cs

@@ -19,7 +19,7 @@ public class RazorDocumentMappingBenchmark : RazorLanguageServerBenchmarkBase
 {
     private string _filePath;
 
-    private IRazorDocumentMappingService DocumentMappingService { get; set; }
+    private IDocumentMappingService DocumentMappingService { get; set; }
 
     private IDocumentSnapshot DocumentSnapshot { get; set; }
 
@@ -171,6 +171,6 @@ public async Task CleanupServerAsync()
 
     private void EnsureServicesInitialized()
     {
-        DocumentMappingService = RazorLanguageServerHost.GetRequiredService<IRazorDocumentMappingService>();
+        DocumentMappingService = RazorLanguageServerHost.GetRequiredService<IDocumentMappingService>();
     }
 }

src/Razor/benchmarks/Microsoft.AspNetCore.Razor.Microbenchmarks/LanguageServer/RazorSemanticTokensBenchmark.cs

@@ -108,7 +108,7 @@ internal class TestRazorSemanticTokensInfoService : RazorSemanticTokensInfoServi
     {
         public TestRazorSemanticTokensInfoService(
             LanguageServerFeatureOptions languageServerFeatureOptions,
-            IRazorDocumentMappingService documentMappingService,
+            IDocumentMappingService documentMappingService,
             RazorSemanticTokensLegendService razorSemanticTokensLegendService,
             ILoggerFactory loggerFactory)
             : base(documentMappingService, razorSemanticTokensLegendService, csharpSemanticTokensProvider: null!, languageServerFeatureOptions, loggerFactory)

src/Razor/benchmarks/Microsoft.AspNetCore.Razor.Microbenchmarks/LanguageServer/RazorSemanticTokensRangeEndpointBenchmark.cs

@@ -140,7 +140,7 @@ internal class TestCustomizableRazorSemanticTokensInfoService : RazorSemanticTok
     {
         public TestCustomizableRazorSemanticTokensInfoService(
             LanguageServerFeatureOptions languageServerFeatureOptions,
-            IRazorDocumentMappingService documentMappingService,
+            IDocumentMappingService documentMappingService,
             RazorSemanticTokensLegendService razorSemanticTokensLegendService,
             ILoggerFactory loggerFactory)
             : base(documentMappingService, razorSemanticTokensLegendService, csharpSemanticTokensProvider: null!, languageServerFeatureOptions, loggerFactory)

src/Razor/src/Microsoft.AspNetCore.Razor.LanguageServer/AbstractRazorDelegatingEndpoint.cs

@@ -22,13 +22,13 @@ internal abstract class AbstractRazorDelegatingEndpoint<TRequest, TResponse> : I
    where TRequest : ITextDocumentPositionParams
 {
     private readonly LanguageServerFeatureOptions _languageServerFeatureOptions;
-    private readonly IRazorDocumentMappingService _documentMappingService;
+    private readonly IDocumentMappingService _documentMappingService;
     private readonly IClientConnection _clientConnection;
     protected readonly ILogger Logger;
 
     protected AbstractRazorDelegatingEndpoint(
         LanguageServerFeatureOptions languageServerFeatureOptions,
-        IRazorDocumentMappingService documentMappingService,
+        IDocumentMappingService documentMappingService,
         IClientConnection clientConnection,
         ILogger logger)
     {

src/Razor/src/Microsoft.AspNetCore.Razor.LanguageServer/AutoInsert/OnAutoInsertEndpoint.cs

@@ -23,7 +23,7 @@ namespace Microsoft.AspNetCore.Razor.LanguageServer.AutoInsert;
 [RazorLanguageServerEndpoint(VSInternalMethods.OnAutoInsertName)]
 internal class OnAutoInsertEndpoint(
     LanguageServerFeatureOptions languageServerFeatureOptions,
-    IRazorDocumentMappingService documentMappingService,
+    IDocumentMappingService documentMappingService,
     IClientConnection clientConnection,
     IEnumerable<IOnAutoInsertProvider> onAutoInsertProvider,
     RazorLSPOptionsMonitor optionsMonitor,
@@ -170,7 +170,7 @@ public void ApplyCapabilities(VSInternalServerCapabilities serverCapabilities, V
         }
 
         return Task.FromResult<IDelegatedParams?>(new DelegatedOnAutoInsertParams(
-            documentContext.Identifier,
+            documentContext.GetTextDocumentIdentifierAndVersion(),
             positionInfo.Position,
             positionInfo.LanguageKind,
             request.Character,

src/Razor/src/Microsoft.AspNetCore.Razor.LanguageServer/AutoInsert/PreferHtmlInAttributeValuesDocumentPositionStrategy.cs

@@ -20,7 +20,7 @@ internal class PreferHtmlInAttributeValuesDocumentPositionInfoStrategy : IDocume
 {
     public static IDocumentPositionInfoStrategy Instance { get; } = new PreferHtmlInAttributeValuesDocumentPositionInfoStrategy();
 
-    public async Task<DocumentPositionInfo?> TryGetPositionInfoAsync(IRazorDocumentMappingService documentMappingService, DocumentContext documentContext, Position position, CancellationToken cancellationToken)
+    public async Task<DocumentPositionInfo?> TryGetPositionInfoAsync(IDocumentMappingService documentMappingService, DocumentContext documentContext, Position position, CancellationToken cancellationToken)
     {
         var defaultDocumentPositionInfo = await DefaultDocumentPositionInfoStrategy.Instance.TryGetPositionInfoAsync(documentMappingService, documentContext, position, cancellationToken).ConfigureAwait(false);
         if (defaultDocumentPositionInfo is null)

src/Razor/src/Microsoft.AspNetCore.Razor.LanguageServer/CodeActions/CSharp/UnformattedRemappingCSharpCodeActionResolver.cs

@@ -23,10 +23,10 @@ namespace Microsoft.AspNetCore.Razor.LanguageServer.CodeActions;
 internal sealed class UnformattedRemappingCSharpCodeActionResolver(
     IDocumentContextFactory documentContextFactory,
     IClientConnection clientConnection,
-    IRazorDocumentMappingService documentMappingService) : CSharpCodeActionResolver(clientConnection)
+    IDocumentMappingService documentMappingService) : CSharpCodeActionResolver(clientConnection)
 {
     private readonly IDocumentContextFactory _documentContextFactory = documentContextFactory;
-    private readonly IRazorDocumentMappingService _documentMappingService = documentMappingService;
+    private readonly IDocumentMappingService _documentMappingService = documentMappingService;
 
     public override string Action => LanguageServerConstants.CodeActions.UnformattedRemap;