50 lines
1.6 KiB
C++
50 lines
1.6 KiB
C++
/*
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* Copyright 2023 Google Inc. 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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*/
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#include <fstream>
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#include <set>
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#include <string>
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#include "flatbuffers/file_manager.h"
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namespace flatbuffers {
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class FileBinaryWriter : public FileManager {
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public:
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bool SaveFile(const std::string &absolute_file_name,
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const std::string &content) override {
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std::ofstream ofs(absolute_file_name, std::ofstream::binary);
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if (!ofs.is_open()) return false;
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ofs.write(content.c_str(), content.size());
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return !ofs.bad();
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}
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bool Loadfile(const std::string &absolute_file_name, std::string *output) {
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if (DirExists(absolute_file_name.c_str())) return false;
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std::ifstream ifs(absolute_file_name, std::ifstream::binary);
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if (!ifs.is_open()) return false;
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// The fastest way to read a file into a string.
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ifs.seekg(0, std::ios::end);
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auto size = ifs.tellg();
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(*output).resize(static_cast<size_t>(size));
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ifs.seekg(0, std::ios::beg);
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ifs.read(&(*output)[0], (*output).size());
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return !ifs.bad();
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}
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};
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} // namespace flatbuffers
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