public async Task <ProjectFile> DeserializeAsync(Stream stream, string projectFilePath, IMessageSink messageSink)
{
// Create a message repository that can be used to test if there were any errors.
var messageRepository = new InMemoryMessageRepository();
var compositeMessageSink = await this.CreateCompositeMessageSinkAsync(projectFilePath, messageSink, messageRepository, Constants.ProjectFileDeserializationFunctionalityName);
// Test message output.
await compositeMessageSink.AddOutputMessageAsync(this.NowUtcProvider, $"Deserialization of:\n{projectFilePath}");
// Now deserialize.
var projectFile = await this.RelativeFilePathsVisualStudioProjectFileSerializer.Deserialize(stream, compositeMessageSink);
// Change all project reference paths to be absolute, not relative, using the input project file path.
foreach (var projectReference in projectFile.ProjectReferences)
{
var projectReferenceAbsolutePath = this.StringlyTypedPathOperator.Combine(projectFilePath, projectReference.ProjectFilePath);
projectReference.ProjectFilePath = projectReferenceAbsolutePath;
}
// Validate the project file.
await this.ValidateProjectFileAsync(projectFile, compositeMessageSink);
// If there are any error messages, and the deserializations settings say we should throw if there are any error messages, throw an exception.
var errorMessages = await messageRepository.GetErrorsAsync();
if (errorMessages.Any())
{
if (this.VisualStudioProjectFileDeserializationSettings.ThrowIfAnyErrorAtEnd)
{
var messagesOutputFilePath = await this.GetMessagesOutputFilePathAsync(Constants.ProjectFileDeserializationFunctionalityName, projectFilePath);
throw new Exception($"There were deserialization errors. See:\n{messagesOutputFilePath}");
}
}
return(projectFile);
}
