class HybridEngine(BaseMatchEngine):
def __init__(self, parser_state, graph):
super(HybridEngine, self).__init__(parser_state, graph)
self.__simple = SimpleEngine(parser_state, graph)
self.__cached_complex = None
def run(self, stream, pos=0, search=False):
try:
groups = self.__simple.run(stream,
pos,
search,
fail_on_groups=False)
return LazyGroups(
groups, self.__simple.group_defined,
lambda: self.__complex.run(stream, pos=pos, search=search))
except UnsupportedOperation:
return self.__complex.run(stream, pos=pos, search=search)
@property
def __complex(self):
if self.__cached_complex is None:
self.__cached_complex = ComplexEngine(self._parser_state,
self._graph)
return self.__cached_complex
def __init__(self, parser_state, graph):
super(HybridEngine, self).__init__(parser_state, graph)
self.__simple = SimpleEngine(parser_state, graph)
self.__cached_complex = None