/// <summary>
/// Returns all tokens (depth first)
/// </summary>
public static IEnumerable <TemplateToken> Traverse(
this TemplateToken token,
bool omitKeys)
{
if (token != null)
{
yield return(token);
if (token is SequenceToken || token is MappingToken)
{
var state = new TraversalState(null, token);
while (state != null)
{
if (state.MoveNext(omitKeys))
{
token = state.Current;
yield return(token);
if (token is SequenceToken || token is MappingToken)
{
state = new TraversalState(state, token);
}
}
else
{
state = state.Parent;
}
}
}
}
}
/// <summary>
/// Returns all context data objects (depth first)
/// </summary>
internal static IEnumerable <PipelineContextData> Traverse(
this PipelineContextData value,
Boolean omitKeys)
{
yield return(value);
if (value is ArrayContextData || value is DictionaryContextData)
{
var state = new TraversalState(null, value);
while (state != null)
{
if (state.MoveNext(omitKeys))
{
value = state.Current;
yield return(value);
if (value is ArrayContextData || value is DictionaryContextData)
{
state = new TraversalState(state, value);
}
}
else
{
state = state.Parent;
}
}
}
}
