private async Task<Document> FormatXmlAsync(Document document, LiteralExpressionSyntax sleSyntax, CancellationToken cancellationToken)
{
var root = await document.GetSyntaxRootAsync(cancellationToken);
var tree = root.SyntaxTree;
//Get the character position of the LiteralExpressionSyntax
FileLinePositionSpan position = tree.GetLineSpan(sleSyntax.Span);
int cSpace = position.StartLinePosition.Character;
//Figure out the preceeding trivia since we can't get the column position from GetLineSpan
var parentTrivia = sleSyntax.GetLeadingTrivia().ToFullString();
var xml = sleSyntax.GetFirstToken().ValueText;
var newXmlText = FormatXml(xml);
//Process each line of the formatted XML and prepend the parent trivia & spaces
string[] xmlLines = newXmlText.Split(new string[] { "\r\n", "\n" }, StringSplitOptions.None);
for (int i = 1; i < xmlLines.Length; i++)
{
xmlLines[i] = parentTrivia + new String(' ', (cSpace + 2)) + xmlLines[i];
}
newXmlText = String.Join("\r\n", xmlLines);
var newXmlValue = "@\"" + newXmlText + "\"";
var newNode = SyntaxFactory.LiteralExpression(SyntaxKind.StringLiteralExpression,
SyntaxFactory.Token(SyntaxTriviaList.Empty, SyntaxKind.StringLiteralToken, newXmlValue, newXmlText, SyntaxTriviaList.Empty));
var newRoot = root.ReplaceNode(sleSyntax, newNode);
return document.WithSyntaxRoot(newRoot);
}
private async Task <Document> FormatXmlAsync(Document document, LiteralExpressionSyntax sleSyntax, CancellationToken cancellationToken)
{
var root = await document.GetSyntaxRootAsync(cancellationToken);
var tree = root.SyntaxTree;
//Get the character position of the LiteralExpressionSyntax
FileLinePositionSpan position = tree.GetLineSpan(sleSyntax.Span);
int cSpace = position.StartLinePosition.Character;
//Figure out the preceeding trivia since we can't get the column position from GetLineSpan
var parentTrivia = sleSyntax.GetLeadingTrivia().ToFullString();
var xml = sleSyntax.GetFirstToken().ValueText;
var newXmlText = FormatXml(xml);
//Process each line of the formatted XML and prepend the parent trivia & spaces
string[] xmlLines = newXmlText.Split(new string[] { "\r\n", "\n" }, StringSplitOptions.None);
for (int i = 1; i < xmlLines.Length; i++)
{
xmlLines[i] = parentTrivia + new String(' ', (cSpace + 2)) + xmlLines[i];
}
newXmlText = String.Join("\r\n", xmlLines);
var newXmlValue = "@\"" + newXmlText + "\"";
var newNode = SyntaxFactory.LiteralExpression(SyntaxKind.StringLiteralExpression,
SyntaxFactory.Token(SyntaxTriviaList.Empty, SyntaxKind.StringLiteralToken, newXmlValue, newXmlText, SyntaxTriviaList.Empty));
var newRoot = root.ReplaceNode(sleSyntax, newNode);
return(document.WithSyntaxRoot(newRoot));
}