private static void MakeDocumentChanges(
ISolution solution,
List <FileGeneratorOutput> fileGeneratorOutputs,
List <InPlaceGeneratorOutput> inPlaceGeneratorOutputs)
{
foreach (FileGeneratorOutput output in fileGeneratorOutputs)
{
IDocument document = output.GeneratedProjectFile.GetDocument();
document.ReplaceText(document.DocumentRange, output.GeneratedText);
ExecutionHelpers.OrginizeUsingsAndFormatFile(solution, document);
}
foreach (InPlaceGeneratorOutput output in inPlaceGeneratorOutputs)
{
IDocument document = output.ProjectFile.GetDocument();
if (!output.RangeToDelete.IsEmpty)
{
document.DeleteText(output.RangeToDelete);
}
document.InsertText(output.PositionToInsert, output.GeneratedText);
var treeTextRange = TreeTextRange.FromLength(new TreeOffset(output.PositionToInsert), output.GeneratedText.Length);
ExecutionHelpers.FormatFileRangeAndAddUsingDirectives(solution, document, treeTextRange, output.MissingUsingDirectives);
}
}
protected override bool TryExecute(IInPlaceGenerator generator, GeneratorExecutionHost executionHost)
{
IDocument document = generator.DataProvider.Document;
bool executed = ExecutionHelpers.TryExecuteGenerator(
generator,
out string generatedText,
out TextRange rangeToDelete,
out int positionToInsert,
out IReadOnlyCollection <IUsingDirective> missingUsingDirectives
);
if (!executed)
{
return(false);
}
ISolution solution = generator.DataProvider.Solution;
using (var progressIndicator = NullProgressIndicator.Create())
{
IProjectModelTransactionCookie transaction =
solution.CreateTransactionCookie(DefaultAction.Rollback, "T4 Generating file", progressIndicator);
using (transaction)
{
if (!rangeToDelete.IsEmpty)
{
document.DeleteText(rangeToDelete);
}
document.InsertText(positionToInsert, generatedText);
var treeTextRange = TreeTextRange.FromLength(new TreeOffset(positionToInsert), generatedText.Length);
ExecutionHelpers.FormatFileRangeAndAddUsingDirectives(solution, document, treeTextRange, missingUsingDirectives);
transaction.Commit(progressIndicator);
}
}
return(true);
}