public static async Task <Document> RefactorAsync(
Document document,
BinaryExpressionSyntax binaryExpression,
CancellationToken cancellationToken)
{
SemanticModel semanticModel = await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false);
StringConcatenationExpressionInfo concatenationInfo = SyntaxInfo.StringConcatenationExpressionInfo(binaryExpression, semanticModel, cancellationToken);
StringConcatenationAnalysis analysis = concatenationInfo.Analyze();
ExpressionSyntax newNode;
if (analysis.ContainsStringLiteral)
{
if (analysis.ContainsVerbatimExpression &&
concatenationInfo.ContainsMultiLineExpression())
{
newNode = concatenationInfo.ToMultiLineStringLiteralExpression();
}
else
{
newNode = concatenationInfo.ToStringLiteralExpression();
}
}
else
{
newNode = concatenationInfo.ToInterpolatedStringExpression();
}
newNode = newNode.WithTriviaFrom(binaryExpression);
return(await document.ReplaceNodeAsync(binaryExpression, newNode, cancellationToken).ConfigureAwait(false));
}
private static Task <Document> ToInterpolatedStringAsync(
Document document,
StringConcatenationExpressionInfo concatenationInfo,
CancellationToken cancellationToken)
{
InterpolatedStringExpressionSyntax newExpression = concatenationInfo.ToInterpolatedStringExpression();
return(RefactorAsync(document, concatenationInfo, newExpression, cancellationToken));
}
