mirror of
https://github.com/kidfromjupiter/nearby.git
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68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
// Copyright 2020 Google LLC
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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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// https://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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#ifndef PLATFORM_IMPL_SHARED_FILE_H_
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#define PLATFORM_IMPL_SHARED_FILE_H_
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#include <cstdint>
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#include <fstream>
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#include "absl/strings/string_view.h"
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#include "platform/api/input_file.h"
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#include "platform/api/output_file.h"
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#include "platform/base/exception.h"
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namespace location {
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namespace nearby {
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namespace shared {
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class InputFile final : public api::InputFile {
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public:
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explicit InputFile(const std::string& path, std::int64_t size);
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~InputFile() override = default;
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InputFile(InputFile&&) = default;
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InputFile& operator=(InputFile&&) = default;
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ExceptionOr<ByteArray> Read(std::int64_t size) override;
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std::string GetFilePath() const override { return path_; }
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std::int64_t GetTotalSize() const override { return total_size_; }
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Exception Close() override;
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private:
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std::ifstream file_;
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std::string path_;
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std::int64_t total_size_;
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};
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class OutputFile final : public api::OutputFile {
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public:
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explicit OutputFile(absl::string_view path);
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~OutputFile() override = default;
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OutputFile(OutputFile&&) = default;
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OutputFile& operator=(OutputFile&&) = default;
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Exception Write(const ByteArray& data) override;
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Exception Flush() override;
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Exception Close() override;
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private:
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std::ofstream file_;
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};
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} // namespace shared
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} // namespace nearby
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} // namespace location
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#endif // PLATFORM_IMPL_SHARED_FILE_H_
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