internal void Set(string key, object value)
{
SearchResults results = tryFind(key);
set(results, value);
}
private SearchResults tryFind(string name)
{
SearchResults results = new SearchResults();
results.Members = name.Split('.');
results.MemberIndex = 0;
if (results.Member == "this")
{
results.Found = true;
results.Lookup = toLookup(_source);
results.Value = _source;
}
else
{
tryFindFirst(results);
}
for (int index = 1; results.Found && index < results.Members.Length; ++index)
{
results.Lookup = toLookup(results.Value);
results.MemberIndex = index;
object value;
results.Found = results.Lookup.TryGetValue(results.Member, out value);
results.Value = value;
}
return results;
}
private void tryFindFirst(SearchResults results)
{
results.Lookup = toLookup(_source);
object value;
if (results.Lookup.TryGetValue(results.Member, out value))
{
results.Found = true;
results.Value = value;
return;
}
if (_parent == null)
{
results.Found = false;
results.Value = null;
return;
}
_parent.tryFindFirst(results);
}
private void set(SearchResults results, object value)
{
// handle setting value in child scope
while (results.MemberIndex < results.Members.Length - 1)
{
Dictionary<string, object> context = new Dictionary<string, object>();
results.Value = context;
results.Lookup[results.Member] = results.Value;
results.Lookup = context;
++results.MemberIndex;
}
results.Lookup[results.Member] = value;
}