blob: 21ed871c532b3d8b5d7164db92d2f8e85f468bed [file] [log] [blame]
// Copyright 2020 Google LLC
//
// 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
//
// https://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.
#ifndef PLATFORM_IMPL_SHARED_FILE_H_
#define PLATFORM_IMPL_SHARED_FILE_H_
#include <cstdint>
#include <fstream>
#include "absl/strings/string_view.h"
#include "platform/api/input_file.h"
#include "platform/api/output_file.h"
#include "platform/base/exception.h"
namespace location {
namespace nearby {
namespace shared {
class InputFile final : public api::InputFile {
public:
explicit InputFile(const std::string& path, std::int64_t size);
~InputFile() override = default;
InputFile(InputFile&&) = default;
InputFile& operator=(InputFile&&) = default;
ExceptionOr<ByteArray> Read(std::int64_t size) override;
std::string GetFilePath() const override { return path_; }
std::int64_t GetTotalSize() const override { return total_size_; }
Exception Close() override;
private:
std::ifstream file_;
std::string path_;
std::int64_t total_size_;
};
class OutputFile final : public api::OutputFile {
public:
explicit OutputFile(absl::string_view path);
~OutputFile() override = default;
OutputFile(OutputFile&&) = default;
OutputFile& operator=(OutputFile&&) = default;
Exception Write(const ByteArray& data) override;
Exception Flush() override;
Exception Close() override;
private:
std::ofstream file_;
};
} // namespace shared
} // namespace nearby
} // namespace location
#endif // PLATFORM_IMPL_SHARED_FILE_H_