private async Task <Document> FormatXmlAsync(Document document, ArgumentSyntax argSntax, CancellationToken cancellationToken)
{
var root = await document.GetSyntaxRootAsync(cancellationToken);
var tree = root.SyntaxTree;
//Get the character position of the ArgumentSyntax
FileLinePositionSpan position = tree.GetLineSpan(argSntax.Span);
int cSpace = position.StartLinePosition.Character;
//Get the parent VariableDeclaration to figure out the preceeding trivia since we can't
//get the column position from GetLineSpan (bug?)
var parent = argSntax.Ancestors().Where(t => t.IsKind(SyntaxKind.VariableDeclaration)).FirstOrDefault();
var parentTrivia = parent.GetLeadingTrivia().ToFullString();
var xml = argSntax.Expression.GetFirstToken().ValueText;
var newXml = FormatXml(xml);
//Process each line of the formatted XML and prepend the parent trivia & spaces
string[] xmlLines = newXml.Split(new string[] { "\r\n", "\n" }, StringSplitOptions.None);
for (int i = 1; i < xmlLines.Length; i++)
{
xmlLines[i] = parentTrivia + new String(' ', (cSpace - 14)) + xmlLines[i];
}
newXml = String.Join("\r\n", xmlLines);
newXml = "@\"" + newXml + "\"";
var newNode = SyntaxFactory.Argument(null, SyntaxFactory.Token(SyntaxKind.None), SyntaxFactory.IdentifierName(newXml));
var newRoot = root.ReplaceNode(argSntax, newNode);
return(document.WithSyntaxRoot(newRoot));
}
private Task <Solution> UseNameOfAsync(Document document, SyntaxNode root, ArgumentSyntax argumentDeclaration)
{
var properties = argumentDeclaration.Ancestors().OfType <ClassDeclarationSyntax>().First().ChildNodes().OfType <PropertyDeclarationSyntax>();
foreach (var property in properties)
{
if (string.Equals(property.Identifier.ValueText, ((LiteralExpressionSyntax)argumentDeclaration.Expression).Token.ValueText, StringComparison.OrdinalIgnoreCase))
{
root = root.ReplaceNode(argumentDeclaration.Expression, SyntaxFactory.ParseExpression($"nameof({property.Identifier.ValueText})"));
var newDocument = document.WithSyntaxRoot(root);
return(Task.FromResult(newDocument.Project.Solution));
}
}
return(null);
}
