47 lines
1.8 KiB
C++
47 lines
1.8 KiB
C++
/* Copyright 2023 The MediaPipe Authors. All Rights Reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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==============================================================================*/
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#ifndef MEDIAPIPE_TASKS_CC_TEXT_CUSTOM_OPS_SENTENCEPIECE_OPTIMIZED_ENCODER_H_
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#define MEDIAPIPE_TASKS_CC_TEXT_CUSTOM_OPS_SENTENCEPIECE_OPTIMIZED_ENCODER_H_
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// Sentencepiece encoder optimized with memmapped model.
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#include <string>
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#include <tuple>
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#include <vector>
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#include "mediapipe/tasks/cc/text/custom_ops/sentencepiece/encoder_config_generated.h"
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namespace mediapipe::tflite_operations::sentencepiece {
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enum class EncoderResultType { SUCCESS = 0, WRONG_CONFIG = 1 };
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struct EncoderResult {
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EncoderResultType type = EncoderResultType::SUCCESS;
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std::vector<int> codes;
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std::vector<int> offsets;
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};
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std::tuple<std::string, std::vector<int>> NormalizeString(
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const std::string& in_string, const EncoderConfig& config);
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// Encodes one string and returns ids and offsets. Takes the configuration as a
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// type-erased buffer.
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EncoderResult EncodeString(const std::string& string, const void* config_buffer,
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bool add_bos, bool add_eos, bool reverse);
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} // namespace mediapipe::tflite_operations::sentencepiece
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#endif // MEDIAPIPE_TASKS_CC_TEXT_CUSTOM_OPS_SENTENCEPIECE_OPTIMIZED_ENCODER_H_
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