private Document PerformAction(Document document, SemanticModel model, SyntaxNode root, String name,
PropertyDeclarationSyntax newProperty, SyntaxAnnotation propAnno, SyntaxAnnotation fieldAnno)
{
var oldField = root.GetAnnotatedNodes(fieldAnno).First() as FieldDeclarationSyntax;
if (oldField.Declaration.Variables.Count == 1)
{
var newRoot = root.RemoveNode(oldField, SyntaxRemoveOptions.KeepNoTrivia);
var oldProperty = newRoot.GetAnnotatedNodes(propAnno).First();
newRoot = newRoot.ReplaceNode((SyntaxNode)oldProperty, newProperty);
return(document.WithSyntaxRoot(newRoot));
}
else
{
FieldDeclarationSyntax newField = oldField.WithDeclaration(SyntaxFactory.VariableDeclaration(oldField.Declaration.Type));
//need to replace the field with one missing the variable field
foreach (var variable in oldField.Declaration.Variables)
{
if (!variable.Identifier.ValueText.Equals(name))
{
newField = newField.AddDeclarationVariables(variable);
}
}
var newRoot = root.ReplaceNode((SyntaxNode)oldField, newField.WithAdditionalAnnotations(Formatter.Annotation).WithLeadingTrivia(oldField.GetLeadingTrivia()));
var oldProperty = newRoot.GetAnnotatedNodes(propAnno).First();
newRoot = newRoot.ReplaceNode((SyntaxNode)oldProperty, newProperty.WithAdditionalAnnotations(Formatter.Annotation).WithLeadingTrivia(oldProperty.GetLeadingTrivia()));
return(document.WithSyntaxRoot(newRoot));
}
}
