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77 lines
2.5 KiB
77 lines
2.5 KiB
/**
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* Copyright 2020 Huawei Technologies Co., Ltd
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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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* http://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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*/
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#include "minddata/dataset/include/text.h"
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#include "minddata/dataset/text/kernels/lookup_op.h"
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namespace mindspore {
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namespace dataset {
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namespace api {
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// Transform operations for text.
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namespace text {
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// FUNCTIONS TO CREATE TEXT OPERATIONS
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// (In alphabetical order)
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std::shared_ptr<LookupOperation> Lookup(const std::shared_ptr<Vocab> &vocab, const std::string &unknown_token,
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const DataType &data_type) {
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auto op = std::make_shared<LookupOperation>(vocab, unknown_token, data_type);
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if (!op->ValidateParams()) {
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return nullptr;
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}
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return op;
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}
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/* ####################################### Validator Functions ############################################ */
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/* ####################################### Derived TensorOperation classes ################################# */
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// (In alphabetical order)
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// LookupOperation
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LookupOperation::LookupOperation(const std::shared_ptr<Vocab> &vocab, const std::string &unknown_token,
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const DataType &data_type)
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: vocab_(vocab), unknown_token_(unknown_token), default_id_(Vocab::kNoTokenExists), data_type_(data_type) {}
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Status LookupOperation::ValidateParams() {
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if (vocab_ == nullptr) {
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std::string err_msg = "Lookup: vocab object type is incorrect or null.";
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MS_LOG(ERROR) << err_msg;
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RETURN_STATUS_SYNTAX_ERROR(err_msg);
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}
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default_id_ = vocab_->Lookup(unknown_token_);
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if (default_id_ == Vocab::kNoTokenExists) {
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std::string err_msg = "Lookup: " + unknown_token_ + " doesn't exist in vocab.";
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MS_LOG(ERROR) << err_msg;
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RETURN_STATUS_SYNTAX_ERROR(err_msg);
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}
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return Status::OK();
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}
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std::shared_ptr<TensorOp> LookupOperation::Build() {
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std::shared_ptr<LookupOp> tensor_op = std::make_shared<LookupOp>(vocab_, default_id_, data_type_);
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return tensor_op;
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}
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} // namespace text
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} // namespace api
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} // namespace dataset
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} // namespace mindspore
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