




from typing import List

from .keymap import KEYMAP, get_character







def SCREAMING_SNAKE_CASE    (	lowercase_						)       ->	Optional[Any]:



       """simple docstring"""

       def decorator(lowercase_						):
              A__							=   getattr(__UpperCamelCase			,      '''handle_key'''			,      []						)
              handle += [key]
              setattr(__UpperCamelCase			,      '''handle_key'''			,      __UpperCamelCase						)
              return func

       return decorator







def SCREAMING_SNAKE_CASE    (	*lowercase_						)       ->	str:



       """simple docstring"""

       def decorator(lowercase_						):
              A__							=   getattr(__UpperCamelCase			,      '''handle_key'''			,      []						)
              handle += keys
              setattr(__UpperCamelCase			,      '''handle_key'''			,      __UpperCamelCase						)
              return func

       return decorator


class     UpperCamelCase_   (			__a					):

    '''simple docstring'''






    def __new__(      cls				:     int ,			UpperCAmelCase__				:     List[str] ,			UpperCAmelCase__				:     int ,			UpperCAmelCase__				:     Optional[Any])						->int:





           '''simple docstring'''

           A__							=   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():
                  A__							=   getattr(UpperCamelCase__ ,			'''handle_key''' ,			[])
                  for key in handled_keys:
                         A__							=   value
           return new_cls





    @staticmethod
    def 	SCREAMING_SNAKE_CASE							(      cls				:     List[Any])						->Dict:





           '''simple docstring'''

           A__							=   get_character()
           if char != KEYMAP["undefined"]:
                  A__							=   ord(UpperCamelCase__)
           A__							=   cls.key_handler.get(UpperCamelCase__)
           if handler:
                  A__							=   char
                  return handler(cls)
           else:
                  return None







def SCREAMING_SNAKE_CASE    (	cls						)       ->	Tuple:



       """simple docstring"""

       return KeyHandler(cls.__name__			,      cls.__bases__			,      cls.__dict__.copy()						)








class     UpperCamelCase_   :

    '''simple docstring'''






    def __init__(      self				:     List[str] ,			UpperCAmelCase__				:     int)						->Union[str, Any]:





           '''simple docstring'''

           A__							=   n
           A__							=   [None] * self.n
           A__							=   0  # index of the first element
           A__							=   0
           A__							=   0


    def __len__(      self				:     List[Any])						->int:





           '''simple docstring'''

           return self.size


    def 	SCREAMING_SNAKE_CASE							(      self				:     List[Any])						->bool:





           '''simple docstring'''

           return self.size == 0


    def 	SCREAMING_SNAKE_CASE							(      self				:     str)						->List[Any]:





           '''simple docstring'''

           return False if self.is_empty() else self.array[self.front]


    def 	SCREAMING_SNAKE_CASE							(      self				:     List[str] ,			UpperCAmelCase__				:     str)						->Any:





           '''simple docstring'''

           if self.size >= self.n:
                  raise Exception('''QUEUE IS FULL''')

           A__							=   data
           A__							=   (self.rear + 1) % self.n
           self.size += 1
           return self





    def 	SCREAMING_SNAKE_CASE							(      self				:     Union[str, Any])						->Any:





           '''simple docstring'''

           if self.size == 0:
                  raise Exception('''UNDERFLOW''')

           A__							=   self.array[self.front]
           A__							=   None
           A__							=   (self.front + 1) % self.n
           self.size -= 1
           return temp


