private static void AddBracesToIfElseChain(CodeRefactoringContext context, IfStatementSyntax ifStatement)
{
if (IfElseChainAnalysis.IsTopmostIf(ifStatement) &&
ifStatement.Else != null &&
ifStatement.IfKeyword.Span.Contains(context.Span))
{
var result = new IfElseChainAnalysisResult(ifStatement);
if (result.AddBracesToChain)
{
context.RegisterRefactoring(
"Add braces to if-else chain",
cancellationToken =>
{
return(AddBracesToIfElseChainRefactoring.RefactorAsync(
context.Document,
ifStatement,
cancellationToken));
});
}
if (result.RemoveBracesFromChain)
{
context.RegisterRefactoring(
"Remove braces from if-else chain",
cancellationToken =>
{
return(RemoveBracesFromIfElseChainRefactoring.RefactorAsync(
context.Document,
ifStatement,
cancellationToken));
});
}
}
}
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
SyntaxNode root = await context.Document.GetSyntaxRootAsync(context.CancellationToken).ConfigureAwait(false);
IfStatementSyntax ifStatement = root
.FindNode(context.Span, getInnermostNodeForTie: true)?
.FirstAncestorOrSelf <IfStatementSyntax>();
if (ifStatement == null)
{
return;
}
ifStatement = IfElseChainAnalysis.GetTopmostIf(ifStatement);
CodeAction codeAction = CodeAction.Create(
"Remove braces from if-else chain",
cancellationToken => RemoveBracesFromIfElseChainRefactoring.RefactorAsync(context.Document, ifStatement, cancellationToken),
DiagnosticIdentifiers.RemoveBracesFromIfElseChain + EquivalenceKeySuffix);
context.RegisterCodeFix(codeAction, context.Diagnostics);
}