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// Copyright 2016 Google Inc.
//
// 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.!
#include "model_factory.h"
#include "bpe_model.h"
#include "char_model.h"
#include "unigram_model.h"
#include "word_model.h"
namespace sentencepiece {
// Instantiate Model instance from |model_proto|
std::unique_ptr<ModelInterface> ModelFactory::Create(
const ModelProto& model_proto) {
const auto& trainer_spec = model_proto.trainer_spec();
switch (trainer_spec.model_type()) {
case TrainerSpec::UNIGRAM:
return std::make_unique<unigram::Model>(model_proto);
break;
case TrainerSpec::BPE:
return std::make_unique<bpe::Model>(model_proto);
break;
case TrainerSpec::WORD:
return std::make_unique<word::Model>(model_proto);
break;
case TrainerSpec::CHAR:
return std::make_unique<character::Model>(model_proto);
break;
default:
LOG(ERROR) << "Unknown model_type: " << trainer_spec.model_type();
return nullptr;
break;
}
return std::make_unique<unigram::Model>(model_proto);
}
} // namespace sentencepiece
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