private RazorDocumentFormattingResponse Format(RazorDocumentRangeFormattingParams @params)
{
if (@params.Kind == RazorLanguageKind.Razor)
{
throw new InvalidOperationException("We shouldn't be asked to format Razor language kind.");
}
var options = @params.Options;
var response = new RazorDocumentFormattingResponse();
if (@params.Kind == RazorLanguageKind.CSharp)
{
var codeDocument = _documents[@params.HostDocumentFilePath];
var csharpSourceText = codeDocument.GetCSharpSourceText();
var csharpDocument = GetCSharpDocument(codeDocument, @params.Options);
if (!csharpDocument.TryGetSyntaxRoot(out var root))
{
throw new InvalidOperationException("Couldn't get syntax root.");
}
var spanToFormat = @params.ProjectedRange.AsTextSpan(csharpSourceText);
var changes = Formatter.GetFormattedTextChanges(root, spanToFormat, csharpDocument.Project.Solution.Workspace);
response.Edits = changes.Select(c => c.AsTextEdit(csharpSourceText)).ToArray();
}
else
{
throw new InvalidOperationException($"We shouldn't be asked to format {@params.Kind} language kind.");
}
return(response);
}
private RazorDocumentFormattingResponse Format(DocumentOnTypeFormattingParams @params)
{
var response = new RazorDocumentFormattingResponse();
response.Edits = Array.Empty <TextEdit>();
// TODO: Update WebTools dependency and call via reflection
return(response);
}
private RazorDocumentFormattingResponse Format(DocumentFormattingParams @params)
{
var options = @params.Options;
var response = new RazorDocumentFormattingResponse();
response.Edits = Array.Empty <TextEdit>();
var codeDocument = _documents[@params.TextDocument.Uri.GetAbsoluteOrUNCPath()];
var generatedHtml = codeDocument.GetHtmlDocument().GeneratedHtml;
generatedHtml = generatedHtml.Replace("\r", "", StringComparison.Ordinal).Replace("\n", "\r\n", StringComparison.Ordinal);
var generatedHtmlSource = SourceText.From(generatedHtml, Encoding.UTF8);
var editHandlerAssembly = Assembly.Load("Microsoft.WebTools.Languages.LanguageServer.Server, Version=16.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a");
var editHandlerType = editHandlerAssembly.GetType("Microsoft.WebTools.Languages.LanguageServer.Server.Html.OperationHandlers.ApplyFormatEditsHandler", throwOnError: true);
var bufferManagerType = editHandlerAssembly.GetType("Microsoft.WebTools.Languages.LanguageServer.Server.Shared.Buffer.BufferManager", throwOnError: true);
var exportProvider = EditorTestCompositions.Editor.ExportProviderFactory.CreateExportProvider();
var contentTypeService = exportProvider.GetExportedValue <IContentTypeRegistryService>();
if (!contentTypeService.ContentTypes.Any(t => t.TypeName == HtmlContentTypeDefinition.HtmlContentType))
{
contentTypeService.AddContentType(HtmlContentTypeDefinition.HtmlContentType, new[] { StandardContentTypeNames.Text });
}
var textBufferFactoryService = exportProvider.GetExportedValue <ITextBufferFactoryService>();
var textBufferListeners = Array.Empty <Lazy <IWebTextBufferListener, IOrderedComponentContentTypes> >();
var bufferManager = Activator.CreateInstance(bufferManagerType, new object[] { contentTypeService, textBufferFactoryService, textBufferListeners });
var joinableTaskFactoryThreadSwitcher = typeof(IdAttribute).Assembly.GetType("Microsoft.WebTools.Shared.Threading.JoinableTaskFactoryThreadSwitcher", throwOnError: true);
var threadSwitcher = (IThreadSwitcher)Activator.CreateInstance(joinableTaskFactoryThreadSwitcher, new object[] { new JoinableTaskContext().Factory });
var applyFormatEditsHandler = Activator.CreateInstance(editHandlerType, new object[] { bufferManager, threadSwitcher, textBufferFactoryService });
// Make sure the buffer manager knows about the source document
var documentUri = DocumentUri.From($"file:///{@params.TextDocument.Uri}");
var contentTypeName = HtmlContentTypeDefinition.HtmlContentType;
var initialContent = generatedHtml;
var snapshotVersionFromLSP = 0;
Assert.IsAssignableFrom <ITextSnapshot>(bufferManager.GetType().GetMethod("CreateBuffer").Invoke(bufferManager, new object[] { documentUri, contentTypeName, initialContent, snapshotVersionFromLSP }));
var requestType = editHandlerAssembly.GetType("Microsoft.WebTools.Languages.LanguageServer.Server.ContainedLanguage.ApplyFormatEditsParamForOmniSharp", throwOnError: true);
var serializedValue = $@"{{
""Options"": {{
""UseSpaces"": {(@params.Options.InsertSpaces ? "true" : "false")},
""TabSize"": {@params.Options.TabSize},
""IndentSize"": {@params.Options.TabSize}
}},
""Uri"": ""file:///{@params.TextDocument.Uri}"",
""GeneratedChanges"": [
]
}}
";
var request = JsonConvert.DeserializeObject(serializedValue, requestType);
var resultTask = (Task)applyFormatEditsHandler.GetType().GetRuntimeMethod("Handle", new Type[] { requestType, typeof(CancellationToken) }).Invoke(applyFormatEditsHandler, new object[] { request, CancellationToken.None });
var result = resultTask.GetType().GetProperty(nameof(Task <int> .Result)).GetValue(resultTask);
var rawTextChanges = result.GetType().GetProperty("TextChanges").GetValue(result);
var serializedTextChanges = JsonConvert.SerializeObject(rawTextChanges, Newtonsoft.Json.Formatting.Indented);
var textChanges = JsonConvert.DeserializeObject <HtmlFormatterTextEdit[]>(serializedTextChanges);
response.Edits = textChanges.Select(change => change.AsTextEdit(SourceText.From(generatedHtml))).ToArray();
return(response);
}