mirror of https://github.com/google/gemma.cpp.git
53 lines
1.6 KiB
C++
53 lines
1.6 KiB
C++
// Copyright 2024 Google LLC
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// SPDX-License-Identifier: Apache-2.0
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef THIRD_PARTY_GEMMA_CPP_GEMMA_TOKENIZER_H_
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#define THIRD_PARTY_GEMMA_CPP_GEMMA_TOKENIZER_H_
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#include <memory>
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#include <string>
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#include <vector>
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#include "compression/io.h" // Path
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namespace gcpp {
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// The tokenizer's end of sentence and beginning of sentence token ids.
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constexpr int EOS_ID = 1;
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constexpr int BOS_ID = 2;
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class GemmaTokenizer {
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public:
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GemmaTokenizer();
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explicit GemmaTokenizer(const Path& tokenizer_path);
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// must come after definition of Impl
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~GemmaTokenizer();
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GemmaTokenizer(GemmaTokenizer&& other);
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GemmaTokenizer& operator=(GemmaTokenizer&& other);
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bool Encode(const std::string& input, std::vector<std::string>* pieces) const;
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bool Encode(const std::string& input, std::vector<int>* ids) const;
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bool Decode(const std::vector<int>& ids, std::string* detokenized) const;
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private:
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class Impl;
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std::unique_ptr<Impl> impl_;
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};
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} // namespace gcpp
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#endif // THIRD_PARTY_GEMMA_CPP_GEMMA_TOKENIZER_H_
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