public override bool TryEvaluate(DynamicResources resources, IValue root,
JsonLocationNode lastNode,
IValue current,
ProcessingFlags options,
out IValue results)
{
var elements = new List <IValue>();
INodeReceiver receiver = new ValueReceiver(elements);
if (resources.Options.ExecutionMode == PathExecutionMode.Parallel)
{
receiver = new SynchronizedNodeReceiver(receiver);
}
Select(resources,
root,
lastNode,
current,
receiver,
options,
0);
results = new ArrayValue(elements);
return(true);
}
public IList <PathValuePair> SelectNodes(JsonElement root,
JsonSelectorOptions?options = null)
{
DynamicResources resources;
ProcessingFlags flags = _requiredFlags;
if (options != null)
{
if (options.NoDuplicates)
{
flags |= ProcessingFlags.NoDups;
}
if (options.Sort)
{
flags |= ProcessingFlags.SortByPath;
}
resources = new DynamicResources(options);
}
else
{
resources = new DynamicResources(JsonSelectorOptions.Default);
}
var nodes = new List <PathValuePair>();
INodeReceiver receiver = new NodeReceiver(nodes);
if (resources.Options.ExecutionMode == PathExecutionMode.Parallel)
{
receiver = new SynchronizedNodeReceiver(receiver);
}
_selector.Select(resources,
new JsonElementValue(root),
JsonLocationNode.Root,
new JsonElementValue(root),
receiver,
flags | ProcessingFlags.Path,
0);
if ((flags & ProcessingFlags.SortByPath | flags & ProcessingFlags.NoDups) != 0)
{
if (nodes.Count > 1)
{
if ((flags & ProcessingFlags.SortByPath) != 0)
{
nodes.Sort();
}
if ((flags & ProcessingFlags.NoDups) != 0)
{
var temp = new List <PathValuePair>();
var index = new HashSet <PathValuePair>(nodes);
foreach (var path in nodes)
{
if (index.Contains(path))
{
temp.Add(path);
index.Remove(path);
}
}
nodes = temp;
}
}
}
return(nodes);
}
