
"""simple docstring"""


import json
import os
from typing import Optional, Tuple

from ...tokenization_utils import PreTrainedTokenizer
from ...utils import logging


lowerCAmelCase								=		logging.get_logger(__name__)

lowerCAmelCase								=		{"""vocab_file""": """vocab.json"""}

lowerCAmelCase								=		{
    """vocab_file""": {
        """mgp-str""": """https://huggingface.co/alibaba-damo/mgp-str-base/blob/main/vocab.json""",
    }
}

lowerCAmelCase								=		{"""mgp-str""": 27}

class        A_      (	A__  ):



							"""simple docstring"""






							SCREAMING_SNAKE_CASE_       =  VOCAB_FILES_NAMES
							SCREAMING_SNAKE_CASE_       =  PRETRAINED_VOCAB_FILES_MAP
							SCREAMING_SNAKE_CASE_       =  PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES





							def __init__(    self    :Dict	,				lowerCamelCase_    :List[str]	,				lowerCamelCase_    :List[Any]="[GO]"	,				lowerCamelCase_    :str="[GO]"	,				lowerCamelCase_    :Optional[int]="[s]"	,				lowerCamelCase_    :Dict="[GO]"	,				**lowerCamelCase_    :List[Any]			):





										"""simple docstring"""

										super().__init__(
										    unk_token=a_	,				bos_token=a_	,				eos_token=a_	,				pad_token=a_	,				**a_	,				)

										with open(a_	,				encoding='utf-8'			) as vocab_handle:
													lowerCamelCase__      :	Optional[int]						=json.load(a_			)
										lowerCamelCase__      :	str						={v: k for k, v in self.vocab.items()}





							@property
							def  UpperCAmelCase__				(    self    :Dict			):





										"""simple docstring"""

										return len(self.vocab			)





							def  UpperCAmelCase__				(    self    :Dict			):





										"""simple docstring"""

										return dict(self.vocab	,				**self.added_tokens_encoder			)





							def  UpperCAmelCase__				(    self    :Optional[int]	,				lowerCamelCase_    :Optional[int]			):





										"""simple docstring"""

										lowerCamelCase__      :	List[str]						=[]
										for s in text:
													char_tokens.extend(a_			)
										return char_tokens





							def  UpperCAmelCase__				(    self    :Union[str, Any]	,				lowerCamelCase_    :str			):





										"""simple docstring"""

										return self.vocab.get(a_	,				self.vocab.get(self.unk_token			)			)





							def  UpperCAmelCase__				(    self    :List[Any]	,				lowerCamelCase_    :Any			):





										"""simple docstring"""

										return self.decoder.get(a_			)





							def  UpperCAmelCase__				(    self    :Tuple	,				lowerCamelCase_    :Any	,				lowerCamelCase_    :int = None			):





										"""simple docstring"""

										if not os.path.isdir(a_			):
													logger.error('Vocabulary path ({}) should be a directory'.format(a_			)			)
													return
										lowerCamelCase__      :	int						=os.path.join(
										    a_	,				(filename_prefix + '-' if filename_prefix else '') + VOCAB_FILES_NAMES['vocab_file']			)

										with open(a_	,				'w'	,				encoding='utf-8'			) as f:
													f.write(json.dumps(self.vocab	,				indent=2	,				sort_keys=a_	,				ensure_ascii=a_			) + '\n'			)

										return (vocab_file,)



'''simple docstring'''
lowerCAmelCase   : List[str]             =				2_5_6
# Modulus to hash a string
lowerCAmelCase   : Tuple             =				1_0_0_0_0_0_3




def 	_A  (       A							,A							)  ->				bool:
	lowercase						:		List[Any]   					=		len(A							)
	lowercase						:		List[Any]   					=		len(A							)
	if p_len > t_len:
		return False

	lowercase						:		List[str]   					=		0
	lowercase						:		Dict   					=		0
	lowercase						:		Any   					=		1

	# Calculating the hash of pattern and substring of text
	for i in range(A							):
		lowercase						:		Optional[int]   					=		(ord(pattern[i]							) + p_hash * alphabet_size) % modulus
		lowercase						:		Any   					=		(ord(text[i]							) + text_hash * alphabet_size) % modulus
		if i == p_len - 1:
			continue
		lowercase						:		List[str]   					=		(modulus_power * alphabet_size) % modulus

	for i in range(0							,t_len - p_len + 1							):
		if text_hash == p_hash and text[i : i + p_len] == pattern:
			return True
		if i == t_len - p_len:
			continue
		# Calculate the https://en.wikipedia.org/wiki/Rolling_hash
		lowercase						:		Any   					=		(
		    (text_hash - ord(text[i]							) * modulus_power) * alphabet_size
		    + ord(text[i + p_len]							)
		) % modulus
	return False




def 	_A  (       )  ->				None:
	lowercase						:		Dict   					=		"abc1abc12"
	lowercase						:		Union[str, Any]   					=		"alskfjaldsabc1abc1abc12k23adsfabcabc"
	lowercase						:		Any   					=		"alskfjaldsk23adsfabcabc"
	assert rabin_karp(A							,A							) and not rabin_karp(A							,A							)

	# Test 2)
	lowercase						:		str   					=		"ABABX"
	lowercase						:		Union[str, Any]   					=		"ABABZABABYABABX"
	assert rabin_karp(A							,A							)

	# Test 3)
	lowercase						:		str   					=		"AAAB"
	lowercase						:		List[str]   					=		"ABAAAAAB"
	assert rabin_karp(A							,A							)

	# Test 4)
	lowercase						:		List[str]   					=		"abcdabcy"
	lowercase						:		str   					=		"abcxabcdabxabcdabcdabcy"
	assert rabin_karp(A							,A							)

	# Test 5)
	lowercase						:		int   					=		"Lü"
	lowercase						:		Optional[Any]   					=		"Lüsai"
	assert rabin_karp(A							,A							)
	lowercase						:		Tuple   					=		"Lue"
	assert not rabin_karp(A							,A							)
	print("Success."							)


if __name__ == "__main__":
					test_rabin_karp()


