internal static bool TryConvertNodeToDPath(TexlBinding binding, DottedNameNode node, out DPath path)
{
Contracts.AssertValue(binding);
Contracts.AssertValue(node);
if (node.Left is DottedNameNode && TryConvertNodeToDPath(binding, node.Left as DottedNameNode, out path))
{
DName rightNodeName = node.Right.Name;
string possibleRename;
if (binding.TryGetReplacedIdentName(node.Right, out possibleRename))
{
rightNodeName = new DName(possibleRename);
}
path = path.Append(rightNodeName);
return(true);
}
else if (node.Left is FirstNameNode firstName)
{
if (binding.GetInfo(firstName).Kind == BindKind.LambdaFullRecord)
{
DName rightNodeName = node.Right.Name;
if (binding.TryGetReplacedIdentName(node.Right, out string rename))
{
rightNodeName = new DName(rename);
}
path = DPath.Root.Append(rightNodeName);
return(true);
}
// Check if the access was renamed:
DName leftNodeName = firstName.Ident.Name;
string possibleRename;
if (binding.TryGetReplacedIdentName(firstName.Ident, out possibleRename))
{
leftNodeName = new DName(possibleRename);
}
path = DPath.Root.Append(leftNodeName).Append(node.Right.Name);
return(true);
}
path = DPath.Root;
return(false);
}
private DPath getReplacementPath(string alias, DPath currentColumnPath)
{
if (alias.Contains("/"))
{
var fullPath = DPath.Root;
foreach (var name in alias.Split('/'))
{
fullPath = fullPath.Append(new DName(name));
}
return(fullPath);
}
else // Task 5593666: This is temporary to not cause regressions while sharepoint switches to using full query param
{
return(currentColumnPath.Append(new DName(alias)));
}
}
public DPath ToDPath()
{
Contracts.Assert(HasPossibleNamespaceQualifier);
Stack <DName> names = new Stack <DName>(2);
names.Push(Right.Name);
// Traverse the DottedNameNode structure non-recursively, to account for the possibility
// that it may be very deep. Accumulate all encountered names onto a stack.
DottedNameNode pointer = this;
bool reachedLeft = false;
while (pointer != null)
{
TexlNode left = pointer.Left;
switch (left)
{
case FirstNameNode firstNameNode:
names.Push(firstNameNode.Ident.Name);
reachedLeft = true;
break;
case ParentNode parentNode:
names.Push(new DName(TexlLexer.KeywordParent));
reachedLeft = true;
break;
case SelfNode selfNode:
names.Push(new DName(TexlLexer.KeywordSelf));
reachedLeft = true;
break;
}
if (reachedLeft)
{
break;
}
pointer = left as DottedNameNode;
if (pointer != null)
{
names.Push(pointer.Right.Name);
}
else
{
Contracts.Assert(false, "Can only do this for dotted names consisting of identifiers");
}
}
// For the DPath by unwinding the names stack
DPath path = DPath.Root;
while (names.Count > 0)
{
path = path.Append(names.Pop());
}
return(path);
}