public bool ResolveDefinition(NamedParser named)
{
if (named.Namespace == null)
{
var existing = GetExisting(named.Name);
if (existing != null)
{
named.ResolvedName = existing.Name;
named.Define(existing.ResolvedParser, existing.CollapseIfSingleElement);
return(true);
}
return(false);
}
var splitIndex = named.Namespace.Length;
while (true)
{
var name = splitIndex <= 0 ? named.Name : $"{named.Namespace.Substring( 0, splitIndex )}.{named.Name}";
var existing = GetExisting(name);
if (existing != null)
{
named.ResolvedName = existing.Name;
named.Define(existing.ResolvedParser, existing.CollapseIfSingleElement);
return(true);
}
if (splitIndex <= 0)
{
break;
}
splitIndex = named.Namespace.LastIndexOf(".", splitIndex - 1);
}
return(false);
}
public void Add(string name, Parser definition)
{
if (_namespace.Count > 0)
{
name = $"{_namespace.Peek()}.{name}";
}
NamedParser parser;
if (_namedParsers.TryGetValue(name, out parser))
{
parser.Define(parser.ResolvedParser | definition, parser.CollapseIfSingleElement);
}
else
{
parser = new NamedParser(name);
_namedParsers.Add(name, parser);
parser.Define(definition);
}
}
public Parser this[NamedParser parser]
{
get { return(parser); }
set { parser.Define(value); }
}