private static Task <Document> OrderElementsAsync(
Document document,
XmlElementSyntax xmlElement,
CancellationToken cancellationToken)
{
var documentationComment = (DocumentationCommentTriviaSyntax)xmlElement.Parent;
SyntaxList <XmlNodeSyntax> content = documentationComment.Content;
MemberDeclarationSyntax memberDeclaration = xmlElement.FirstAncestor <MemberDeclarationSyntax>();
int firstIndex = content.IndexOf(xmlElement);
SyntaxList <XmlNodeSyntax> newContent = GetNewContent();
DocumentationCommentTriviaSyntax newDocumentationComment = documentationComment.WithContent(newContent);
return(document.ReplaceNodeAsync(documentationComment, newDocumentationComment, cancellationToken));
SyntaxList <XmlNodeSyntax> GetNewContent()
{
switch (SyntaxInfo.XmlElementInfo(xmlElement).GetElementKind())
{
case XmlElementKind.Param:
{
SeparatedSyntaxList <ParameterSyntax> parameters = ParameterListInfo.Create(memberDeclaration).Parameters;
return(SortElements(parameters, content, firstIndex, XmlElementKind.Param, (nodes, name) => nodes.IndexOf(name)));
}
case XmlElementKind.TypeParam:
{
SeparatedSyntaxList <TypeParameterSyntax> typeParameters = TypeParameterListInfo.Create(memberDeclaration).Parameters;
return(SortElements(typeParameters, content, firstIndex, XmlElementKind.TypeParam, (nodes, name) => nodes.IndexOf(name)));
}
default:
{
throw new InvalidOperationException();
}
}
}
}