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