private static SourcePosition FindDescendantPositionToExchange(StatementGrammarNode movedNode)
{
var nodeToExchange = movedNode.ParentNode
.GetPathFilterDescendants(n => n != movedNode && NodeFilters.BreakAtNestedQueryBlock(n), movedNode.Id)
.FirstOrDefault();
return(CreateNodePosition(movedNode, nodeToExchange));
}
public static IEnumerable <INode> Walk(IDirectory directory, NodeType nodeType)
{
var accept = NodeFilters.ByNodeType(nodeType);
foreach (var childNode in directory.GetChildren())
{
if (accept(childNode))
{
yield return(childNode);
}
if (childNode is IDirectory)
{
foreach (var childChildNode in Walk(((IDirectory)childNode), nodeType))
{
yield return(childChildNode);
}
}
}
}
public virtual IEnumerable <string> GetChildNames(NodeType nodeType, Predicate <string> acceptName)
{
return(GetChildNamesUsingNodes(nodeType, NodeFilters.ByNodeName(acceptName)));
}
