/// <summary>
/// Returns a <see cref="CodeAction"/> to be executed.
/// </summary>
/// <param name="data">Represents data that is used when creating a <see cref="CodeAction"/> for the code fix.</param>
protected virtual async Task <CodeAction?> GetCodeActionAsync(CodeFixData <T> data)
{
if (!data.Success || !data.HasNode)
{
return(null);
}
Document document = data.Document;
T node = data.Node;
CompilationUnitSyntax root = data.Root;
Diagnostic diagnostic = data.Diagnostic;
SemanticModel? semanticModel = data.SemanticModel ?? await document.GetSemanticModelAsync(data.CancellationToken).ConfigureAwait(false);
if (semanticModel is null)
{
return(null);
}
return(CodeAction.Create(Title, cancellationToken => ExecuteAsync(CodeFixExecutionContext <T> .From(
diagnostic,
document,
root,
node,
semanticModel,
cancellationToken)), Id));
}
/// <inheritdoc/>
protected override Task <Document> ExecuteAsync(CodeFixExecutionContext <T> context)
{
MemberDeclarationSyntax newNode = context.Node.AddModifiers(ModifiersToApply.Select(m => SyntaxFactory.Token(m)).ToArray());
context.RegisterChange(context.Node, newNode);
return(Task.FromResult(context.Document));
}
/// <inheritdoc/>
protected override Task <Document> ExecuteAsync(CodeFixExecutionContext <T> context)
{
SyntaxNode?newRoot = context.Root.RemoveNode(context.Node, SyntaxRemoveOptions.KeepEndOfLine | SyntaxRemoveOptions.KeepDirectives);
if (newRoot is null)
{
return(Task.FromResult(context.Document));
}
return(Task.FromResult(context.Document.WithSyntaxRoot(newRoot)));
}
/// <summary>
/// Actually executes the <see cref="CodeAction"/>.
/// </summary>
/// <param name="context"><see cref="CodeFixExecutionContext{T}"/> that contains all the data needed to properly perform a code fix.</param>
protected abstract Task <Document> ExecuteAsync(CodeFixExecutionContext <T> context);
