wehub-resource-sync
101 lines
3.2 KiB
C++
101 lines
3.2 KiB
C++
// Copyright (c) 2024 PaddlePaddle Authors. All Rights Reserved.
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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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#include "paddle/phi/core/vocab/string_array.h"
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#include <utf8proc.h>
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#include <exception>
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#include "glog/logging.h"
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namespace phi {
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std::wstring_convert<std::codecvt_utf8<wchar_t>> kConverter;
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// Convert the std::string type to the std::wstring type.
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bool ConvertStrToWstr(const std::string& src, std::wstring* res) {
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try {
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*res = kConverter.from_bytes(src);
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} catch (std::range_error& e) {
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VLOG(3) << "The string " << src << " was converted to unicode failedly! ";
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return false;
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}
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return true;
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}
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// Convert the std::wstring type to the std::string type.
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void ConvertWstrToStr(const std::wstring& src, std::string* res) {
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*res = kConverter.to_bytes(src);
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}
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// Normalization Form Canonical Decomposition.
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void NFD(const std::string& s, std::string* ret) {
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*ret = "";
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char* result = reinterpret_cast<char*>(
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utf8proc_NFD(reinterpret_cast<const unsigned char*>(s.c_str())));
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if (result) {
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*ret = std::string(result);
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free(result); // NOLINT
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}
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}
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// Write the data which is type of
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// std::unordered_map<std::string, int32_t> to ostream.
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void StringMapToStream(std::ostream& os,
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const std::unordered_map<std::string, int32_t>& data) {
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{
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// firstly write the data size.
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size_t t = data.size();
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os.write(reinterpret_cast<const char*>(&t), sizeof(t));
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}
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{
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// then write the data
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for (const auto& item : data) {
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std::string token = item.first;
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int32_t token_id = item.second;
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// write the token
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size_t length = token.size();
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os.write(reinterpret_cast<const char*>(&length), sizeof(length));
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os.write(token.c_str(), length); // NOLINT
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// write the token_id
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os.write(reinterpret_cast<const char*>(&token_id), sizeof(token_id));
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}
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}
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}
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// Read the data which is type of
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// std::unordered_map<td::string, int32_t> from istream.
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void StringMapFromStream(std::istream& is,
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std::unordered_map<std::string, int32_t>* data) {
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// first read the map size
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size_t map_size = 0;
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is.read(reinterpret_cast<char*>(&map_size), sizeof(map_size));
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data->reserve(map_size);
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// then read the data
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for (size_t i = 0; i < map_size; ++i) {
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// read the token
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size_t token_length = 0;
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is.read(reinterpret_cast<char*>(&token_length), sizeof(token_length));
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char* tmp = new char[token_length];
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is.read(tmp, token_length); // NOLINT
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std::string token(tmp, tmp + token_length);
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delete[] tmp;
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// read the token_id
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int32_t token_id = 0;
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is.read(reinterpret_cast<char*>(&token_id), sizeof(token_id));
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data->emplace(token, token_id);
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}
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}
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} // namespace phi
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