private static Task <Document> AddNewLineBeforeConditionalOperatorInsteadOfAfterItAsync(
Document document,
ConditionalExpressionSyntax conditionalExpression,
CancellationToken cancellationToken)
{
ExpressionSyntax condition = conditionalExpression.Condition;
ExpressionSyntax whenTrue = conditionalExpression.WhenTrue;
ExpressionSyntax whenFalse = conditionalExpression.WhenFalse;
SyntaxToken questionToken = conditionalExpression.QuestionToken;
SyntaxToken colonToken = conditionalExpression.ColonToken;
ExpressionSyntax newCondition = condition;
ExpressionSyntax newWhenTrue = whenTrue;
ExpressionSyntax newWhenFalse = whenFalse;
SyntaxToken newQuestionToken = questionToken;
SyntaxToken newColonToken = colonToken;
if (SyntaxTriviaAnalysis.IsTokenFollowedWithNewLineAndNotPrecededWithNewLine(condition, questionToken, whenTrue))
{
var(left, token, right) = CodeFixHelpers.AddNewLineBeforeTokenInsteadOfAfterIt(condition, questionToken, whenTrue);
newCondition = left;
newQuestionToken = token;
newWhenTrue = right;
}
if (SyntaxTriviaAnalysis.IsTokenFollowedWithNewLineAndNotPrecededWithNewLine(whenTrue, colonToken, whenFalse))
{
var(left, token, right) = CodeFixHelpers.AddNewLineBeforeTokenInsteadOfAfterIt(newWhenTrue, colonToken, whenFalse);
newWhenTrue = left;
newColonToken = token;
newWhenFalse = right;
}
ConditionalExpressionSyntax newConditionalExpression = ConditionalExpression(
newCondition,
newQuestionToken,
newWhenTrue,
newColonToken,
newWhenFalse);
return(document.ReplaceNodeAsync(conditionalExpression, newConditionalExpression, cancellationToken));
}