forked from huawei/mindspore2022
115 lines
2.3 KiB
C++
115 lines
2.3 KiB
C++
/**
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* Copyright 2019 Huawei Technologies Co., Ltd
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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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#ifndef MINDSPORE_CCSRC_MINDDATA_DATASET_UTIL_PATH_H_
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#define MINDSPORE_CCSRC_MINDDATA_DATASET_UTIL_PATH_H_
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#include <dirent.h>
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#include <memory>
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#include <string>
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#include "minddata/dataset/util/status.h"
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namespace mindspore {
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namespace dataset {
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class Path {
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public:
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class DirIterator {
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public:
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static std::shared_ptr<DirIterator> OpenDirectory(Path *f);
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~DirIterator();
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bool hasNext();
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Path next();
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private:
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explicit DirIterator(Path *f);
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Path *dir_;
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DIR *dp_;
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struct dirent *entry_;
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};
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explicit Path(const std::string &);
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explicit Path(const char *);
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~Path() = default;
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Path(const Path &);
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Path &operator=(const Path &);
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Path(Path &&) noexcept;
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Path &operator=(Path &&) noexcept;
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std::string toString() const { return path_; }
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Path operator+(const Path &);
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Path operator+(const std::string &);
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Path operator+(const char *);
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Path &operator+=(const Path &rhs);
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Path &operator+=(const std::string &);
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Path &operator+=(const char *);
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Path operator/(const Path &);
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Path operator/(const std::string &);
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Path operator/(const char *);
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bool Exists();
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bool IsDirectory();
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Status CreateDirectory();
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Status CreateDirectories();
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std::string Extension() const;
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std::string ParentPath();
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Status Remove();
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Status CreateFile(int *fd);
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Status OpenFile(int *fd, bool create = false);
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Status CloseFile(int fd) const;
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Status TruncateFile(int fd) const;
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std::string Basename();
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friend std::ostream &operator<<(std::ostream &os, const Path &s);
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private:
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static char separator_;
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std::string path_;
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};
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} // namespace dataset
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} // namespace mindspore
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#endif // MINDSPORE_CCSRC_MINDDATA_DATASET_UTIL_PATH_H_
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