com.johnsnowlabs.nlp.annotators.tokenizer.bpe.RobertaTokenizer.scala Maven / Gradle / Ivy

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/*
 * Copyright 2017-2022 John Snow Labs
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.johnsnowlabs.nlp.annotators.tokenizer.bpe

class RobertaTokenizer(
    merges: Map[(String, String), Int],
    vocab: Map[String, Int],
    specialTokens: SpecialTokens,
    padWithSequenceTokens: Boolean = false,
    addPrefixSpaceToSentence: Boolean = false,
    alwaysAddPrefix: Boolean = true)
    extends Gpt2Tokenizer(
      merges,
      vocab,
      specialTokens,
      padWithSequenceTokens,
      prependString = "Ġ",
      addPrefixSpaceToSentence,
      alwaysAddPrefix)