private bool ValidateTopRequestItems(TopRequestItems topItems)
{
// If there is a default query, it should be single one, and there should be no other ops in the request, only fragments;
// and opName should not be specified
if (topItems.AnonymousQueries.Count > 1)
{
var aq1 = topItems.AnonymousQueries[1];
AddError("The request may not contain more than one default (anonymous) query", aq1);
return(false);
}
if (topItems.AnonymousQueries.Count > 0)
{
topItems.DefaultQuery = topItems.AnonymousQueries[0];
if (topItems.Operations.Count > 0)
{
var op0 = topItems.Operations[0];
AddError("If the request contains a default (anonymous) query, it cannot contain any other operations.", op0);
return(false);
}
}
if (topItems.DefaultQuery == null)
{
if (topItems.Operations.Count == 0)
{
AddError("The query contains no default query or operations.", null);
return(false);
}
}
return(true);
}
private TopRequestItems GetTopRequestItems(ParseTreeNode requestDoc)
{
var topItems = new TopRequestItems();
// query contains operation(s), anonymous ops, and fragment definitions
var elemListNode = requestDoc.FindChild(TermNames.RequestElemList);
if (elemListNode == null)
{
return(topItems);
}
foreach (var node in elemListNode.ChildNodes)
{
switch (node.Term.Name)
{
case TermNames.FragmDef:
topItems.Fragments.Add(node);
break;
case TermNames.RequestOp:
topItems.Operations.Add(node);
break;
case TermNames.DefaultQuery:
topItems.AnonymousQueries.Add(node);
break;
}
}
return(topItems);
}
