Exemple #1
0
        public static Task <Document> RefactorAsync(
            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;

            var writer = new NodeWriter(conditionalExpression);

            writer.WriteLeadingTrivia();
            writer.WriteSpan(condition);

            Write(condition, whenTrue, questionToken, "? ", writer);

            Write(whenTrue, whenFalse, colonToken, ": ", writer);

            writer.WriteTrailingTrivia();

            ExpressionSyntax newNode = SyntaxFactory.ParseExpression(writer.ToString());

            return(document.ReplaceNodeAsync(conditionalExpression, newNode, cancellationToken));
        }
Exemple #2
0
        private static void Write(
            ExpressionSyntax expression,
            ExpressionSyntax nextExpression,
            SyntaxToken token,
            string newText,
            NodeWriter writer)
        {
            if (IsFixable(expression, token))
            {
                if (expression.GetTrailingTrivia().Any(f => !f.IsWhitespaceOrEndOfLineTrivia()) ||
                    token.LeadingTrivia.Any(f => !f.IsWhitespaceOrEndOfLineTrivia()))
                {
                    writer.WriteTrailingTrivia(expression);
                    writer.WriteLeadingTrivia(token);
                }

                writer.WriteTrailingTrivia(token);
                writer.WriteLeadingTrivia(nextExpression);
                writer.Write(newText);
                writer.WriteSpan(nextExpression);
            }
            else
            {
                writer.WriteTrailingTrivia(expression);
                writer.WriteFullSpan(token);
                writer.WriteLeadingTriviaAndSpan(nextExpression);
            }
        }