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// Copyright 2016 Google Inc.
//
// 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.!
#ifndef FILESYSTEM_H_
#define FILESYSTEM_H_
#include <stdio.h>
#include <fstream>
#include <memory>
#include <string>
#include "common.h"
#include "sentencepiece_processor.h"
#include "third_party/absl/strings/string_view.h"
namespace sentencepiece {
namespace filesystem {
class ReadableFile {
public:
ReadableFile() {}
explicit ReadableFile(absl::string_view filename) {}
virtual ~ReadableFile() {}
virtual util::Status status() const = 0;
virtual bool ReadLine(std::string *line) = 0;
virtual bool ReadAll(std::string *line) = 0;
};
class WritableFile {
public:
WritableFile() {}
explicit WritableFile(absl::string_view filename) {}
virtual ~WritableFile() {}
virtual util::Status status() const = 0;
virtual bool Write(absl::string_view text) = 0;
virtual bool WriteLine(absl::string_view text) = 0;
};
std::unique_ptr<ReadableFile> NewReadableFile(absl::string_view filename);
std::unique_ptr<WritableFile> NewWritableFile(absl::string_view filename);
} // namespace filesystem
} // namespace sentencepiece
#endif // FILESYSTEM_H_
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