





from __future__ import annotations

from collections import deque



class 					__snake_case	:


    '''simple docstring'''







    def __init__(       self   ,				A_     ):





        '''simple docstring'''

        SCREAMING_SNAKE_CASE__											=			[]
        self.adlist.append(
            {'''value''': '''''', '''next_states''': [], '''fail_state''': 0, '''output''': []}     )

        for keyword in keywords:
            self.add_keyword(_lowercase     )
        self.set_fail_transitions()



    def  lowercase_					(       self   ,				A_   ,				A_     ):





        '''simple docstring'''

        for state in self.adlist[current_state]["next_states"]:
            if char == self.adlist[state]["value"]:
                return state
        return None



    def  lowercase_					(       self   ,				A_     ):





        '''simple docstring'''

        SCREAMING_SNAKE_CASE__											=			0
        for character in keyword:
            SCREAMING_SNAKE_CASE__											=			self.find_next_state(_lowercase   ,				_lowercase     )
            if next_state is None:
                self.adlist.append(
                    {
                        '''value''': character,
                        '''next_states''': [],
                        '''fail_state''': 0,
                        '''output''': [],
                    }     )
                self.adlist[current_state]["next_states"].append(len(self.adlist     ) - 1     )
                SCREAMING_SNAKE_CASE__											=			len(self.adlist     ) - 1
            else:
                SCREAMING_SNAKE_CASE__											=			next_state
        self.adlist[current_state]["output"].append(_lowercase     )



    def  lowercase_					(       self     ):





        '''simple docstring'''

        SCREAMING_SNAKE_CASE__											=			deque()
        for node in self.adlist[0]["next_states"]:
            q.append(_lowercase     )
            SCREAMING_SNAKE_CASE__											=			0
        while q:
            SCREAMING_SNAKE_CASE__											=			q.popleft()
            for child in self.adlist[r]["next_states"]:
                q.append(_lowercase     )
                SCREAMING_SNAKE_CASE__											=			self.adlist[r]['''fail_state''']
                while (
                    self.find_next_state(_lowercase   ,				self.adlist[child]['''value''']     ) is None
                    and state != 0
                ):
                    SCREAMING_SNAKE_CASE__											=			self.adlist[state]['''fail_state''']
                SCREAMING_SNAKE_CASE__											=			self.find_next_state(
                    _lowercase   ,				self.adlist[child]['''value''']     )
                if self.adlist[child]["fail_state"] is None:
                    SCREAMING_SNAKE_CASE__											=			0
                SCREAMING_SNAKE_CASE__											=			(
                    self.adlist[child]['''output''']
                    + self.adlist[self.adlist[child]['''fail_state''']]['''output''']
                )




    def  lowercase_					(       self   ,				A_     ):





        '''simple docstring'''

        SCREAMING_SNAKE_CASE__											=			{}  # returns a dict with keywords and list of its occurrences
        SCREAMING_SNAKE_CASE__											=			0
        for i in range(len(_lowercase     )     ):
            while (
                self.find_next_state(_lowercase   ,				string[i]     ) is None
                and current_state != 0
            ):
                SCREAMING_SNAKE_CASE__											=			self.adlist[current_state]['''fail_state''']
            SCREAMING_SNAKE_CASE__											=			self.find_next_state(_lowercase   ,				string[i]     )
            if next_state is None:
                SCREAMING_SNAKE_CASE__											=			0
            else:
                SCREAMING_SNAKE_CASE__											=			next_state
                for key in self.adlist[current_state]["output"]:
                    if key not in result:
                        SCREAMING_SNAKE_CASE__											=			[]
                    result[key].append(i - len(_lowercase     ) + 1     )
        return result


if __name__ == "__main__":
  import doctest

  doctest.testmod()

from typing import TYPE_CHECKING

from ...utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_flax_available,
    is_tf_available,
    is_torch_available,
)


UpperCAmelCase_           =				{'''configuration_encoder_decoder''': ['''EncoderDecoderConfig''']}

try:
  if not is_torch_available():
    raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
  pass
else:
  UpperCAmelCase_           =				['''EncoderDecoderModel''']

try:
  if not is_tf_available():
    raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
  pass
else:
  UpperCAmelCase_           =				['''TFEncoderDecoderModel''']

try:
  if not is_flax_available():
    raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
  pass
else:
  UpperCAmelCase_           =				['''FlaxEncoderDecoderModel''']

if TYPE_CHECKING:
  from .configuration_encoder_decoder import EncoderDecoderConfig

  try:
    if not is_torch_available():
      raise OptionalDependencyNotAvailable()
  except OptionalDependencyNotAvailable:
    pass
  else:
    from .modeling_encoder_decoder import EncoderDecoderModel

  try:
    if not is_tf_available():
      raise OptionalDependencyNotAvailable()
  except OptionalDependencyNotAvailable:
    pass
  else:
    from .modeling_tf_encoder_decoder import TFEncoderDecoderModel

  try:
    if not is_flax_available():
      raise OptionalDependencyNotAvailable()
  except OptionalDependencyNotAvailable:
    pass
  else:
    from .modeling_flax_encoder_decoder import FlaxEncoderDecoderModel

else:
  import sys

  UpperCAmelCase_           =				_LazyModule(__name__, globals()['''__file__'''], _import_structure, module_spec=__spec__)