




from typing import List

from .keymap import KEYMAP, get_character




def 							_UpperCAmelCase  (UpperCamelCase_ : str       ):
				'''simple docstring'''

				def decorator(UpperCamelCase_ : Optional[Any]       ):
								_lowerCAmelCase    :    Optional[int]										=      getattr(UpperCamelCase_      ,    """handle_key"""      ,    []       )
								handle += [key]
								setattr(UpperCamelCase_      ,    """handle_key"""      ,    UpperCamelCase_       )
								return func

				return decorator




def 							_UpperCAmelCase  (*UpperCamelCase_ : List[str]       ):
				'''simple docstring'''

				def decorator(UpperCamelCase_ : List[Any]       ):
								_lowerCAmelCase    :    Dict										=      getattr(UpperCamelCase_      ,    """handle_key"""      ,    []       )
								handle += keys
								setattr(UpperCamelCase_      ,    """handle_key"""      ,    UpperCamelCase_       )
								return func

				return decorator
class        __snake_case  (_a		):



				def __new__(      cls      :		List[str]		,	_UpperCAmelCase      :		Union[str, Any]		,	_UpperCAmelCase      :		Union[str, Any]		,	_UpperCAmelCase      :		int      )  ->    Union[str, Any]:





								'''simple docstring'''




								_lowerCAmelCase    :    Union[str, Any]										=      super().__new__(cls		,	_UpperCAmelCase		,	_UpperCAmelCase		,	_UpperCAmelCase      )
								if not hasattr(_UpperCAmelCase		,	"""key_handler"""      ):
												setattr(_UpperCAmelCase		,	"""key_handler"""		,	{}      )
								setattr(_UpperCAmelCase		,	"""handle_input"""		,	KeyHandler.handle_input      )

								for value in attrs.values():
												_lowerCAmelCase    :    List[str]										=      getattr(_UpperCAmelCase		,	"""handle_key"""		,	[]      )
												for key in handled_keys:
																_lowerCAmelCase    :    Tuple										=      value
								return new_cls



				@staticmethod
				def       SCREAMING_SNAKE_CASE       (      cls      :		Optional[int]      )  ->    Optional[int]:





								'''simple docstring'''




								_lowerCAmelCase    :    Tuple										=      get_character()
								if char != KEYMAP["undefined"]:
												_lowerCAmelCase    :    Tuple										=      ord(_UpperCAmelCase      )
								_lowerCAmelCase    :    List[Any]										=      cls.key_handler.get(_UpperCAmelCase      )
								if handler:
												_lowerCAmelCase    :    Dict										=      char
												return handler(cls      )
								else:
												return None






def 							_UpperCAmelCase  (cls : Optional[Any]       ):
				'''simple docstring'''
				return KeyHandler(cls.__name__      ,    cls.__bases__      ,    cls.__dict__.copy()       )







def 							_UpperCAmelCase  (UpperCamelCase_ : str       ):
				'''simple docstring'''
				_lowerCAmelCase    :    Dict										=      [0] * len(UpperCamelCase_       )

				for i in range(1      ,    len(UpperCamelCase_       )       ):
								# use last results for better performance - dynamic programming
								_lowerCAmelCase    :    Union[str, Any]										=      prefix_result[i - 1]
								while j > 0 and input_string[i] != input_string[j]:
												_lowerCAmelCase    :    str										=      prefix_result[j - 1]

								if input_string[i] == input_string[j]:
												j += 1
								_lowerCAmelCase    :    Optional[int]										=      j

				return prefix_result




def 							_UpperCAmelCase  (UpperCamelCase_ : str       ):
				'''simple docstring'''
				return max(prefix_function(UpperCamelCase_       )       )


if __name__ == "__main__":
	import doctest

	doctest.testmod()

