Elijah Stanger-Jones / mbed-dev-f303
Committer:
elijahsj
Date:
Mon Nov 09 00:02:47 2020 -0500
Revision:
1:8a094db1347f
test

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elijahsj 1:8a094db1347f 1 /* mbed Microcontroller Library
elijahsj 1:8a094db1347f 2 * Copyright (c) 2006-2013 ARM Limited
elijahsj 1:8a094db1347f 3 *
elijahsj 1:8a094db1347f 4 * Licensed under the Apache License, Version 2.0 (the "License");
elijahsj 1:8a094db1347f 5 * you may not use this file except in compliance with the License.
elijahsj 1:8a094db1347f 6 * You may obtain a copy of the License at
elijahsj 1:8a094db1347f 7 *
elijahsj 1:8a094db1347f 8 * http://www.apache.org/licenses/LICENSE-2.0
elijahsj 1:8a094db1347f 9 *
elijahsj 1:8a094db1347f 10 * Unless required by applicable law or agreed to in writing, software
elijahsj 1:8a094db1347f 11 * distributed under the License is distributed on an "AS IS" BASIS,
elijahsj 1:8a094db1347f 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
elijahsj 1:8a094db1347f 13 * See the License for the specific language governing permissions and
elijahsj 1:8a094db1347f 14 * limitations under the License.
elijahsj 1:8a094db1347f 15 */
elijahsj 1:8a094db1347f 16 #ifndef MBED_FILESYSTEMHANDLE_H
elijahsj 1:8a094db1347f 17 #define MBED_FILESYSTEMHANDLE_H
elijahsj 1:8a094db1347f 18
elijahsj 1:8a094db1347f 19 #include "platform/platform.h"
elijahsj 1:8a094db1347f 20
elijahsj 1:8a094db1347f 21 #include "platform/FileBase.h"
elijahsj 1:8a094db1347f 22 #include "platform/FileHandle.h"
elijahsj 1:8a094db1347f 23 #include "platform/DirHandle.h"
elijahsj 1:8a094db1347f 24 #include "platform/NonCopyable.h"
elijahsj 1:8a094db1347f 25
elijahsj 1:8a094db1347f 26 namespace mbed {
elijahsj 1:8a094db1347f 27 /** \addtogroup drivers */
elijahsj 1:8a094db1347f 28 /** @{*/
elijahsj 1:8a094db1347f 29
elijahsj 1:8a094db1347f 30
elijahsj 1:8a094db1347f 31 /** A filesystem-like object is one that can be used to open file-like
elijahsj 1:8a094db1347f 32 * objects though it by fopen("/name/filename", mode)
elijahsj 1:8a094db1347f 33 *
elijahsj 1:8a094db1347f 34 * Implementations must define at least open (the default definitions
elijahsj 1:8a094db1347f 35 * of the rest of the functions just return error values).
elijahsj 1:8a094db1347f 36 *
elijahsj 1:8a094db1347f 37 * @note Synchronization level: Set by subclass
elijahsj 1:8a094db1347f 38 */
elijahsj 1:8a094db1347f 39 class FileSystemHandle : private NonCopyable<FileSystemHandle> {
elijahsj 1:8a094db1347f 40 public:
elijahsj 1:8a094db1347f 41 /** FileSystemHandle lifetime
elijahsj 1:8a094db1347f 42 */
elijahsj 1:8a094db1347f 43 virtual ~FileSystemHandle() {}
elijahsj 1:8a094db1347f 44
elijahsj 1:8a094db1347f 45 /** Open a file on the filesystem
elijahsj 1:8a094db1347f 46 *
elijahsj 1:8a094db1347f 47 * @param file Destination for the handle to a newly created file
elijahsj 1:8a094db1347f 48 * @param filename The name of the file to open
elijahsj 1:8a094db1347f 49 * @param flags The flags to open the file in, one of O_RDONLY, O_WRONLY, O_RDWR,
elijahsj 1:8a094db1347f 50 * bitwise or'd with one of O_CREAT, O_TRUNC, O_APPEND
elijahsj 1:8a094db1347f 51 * @return 0 on success, negative error code on failure
elijahsj 1:8a094db1347f 52 */
elijahsj 1:8a094db1347f 53 virtual int open(FileHandle **file, const char *filename, int flags) = 0;
elijahsj 1:8a094db1347f 54
elijahsj 1:8a094db1347f 55 /** Open a directory on the filesystem
elijahsj 1:8a094db1347f 56 *
elijahsj 1:8a094db1347f 57 * @param dir Destination for the handle to the directory
elijahsj 1:8a094db1347f 58 * @param path Name of the directory to open
elijahsj 1:8a094db1347f 59 * @return 0 on success, negative error code on failure
elijahsj 1:8a094db1347f 60 */
elijahsj 1:8a094db1347f 61 virtual int open(DirHandle **dir, const char *path);
elijahsj 1:8a094db1347f 62
elijahsj 1:8a094db1347f 63 /** Remove a file from the filesystem.
elijahsj 1:8a094db1347f 64 *
elijahsj 1:8a094db1347f 65 * @param path The name of the file to remove.
elijahsj 1:8a094db1347f 66 * @return 0 on success, negative error code on failure
elijahsj 1:8a094db1347f 67 */
elijahsj 1:8a094db1347f 68 virtual int remove(const char *path);
elijahsj 1:8a094db1347f 69
elijahsj 1:8a094db1347f 70 /** Rename a file in the filesystem.
elijahsj 1:8a094db1347f 71 *
elijahsj 1:8a094db1347f 72 * @param path The name of the file to rename.
elijahsj 1:8a094db1347f 73 * @param newpath The name to rename it to
elijahsj 1:8a094db1347f 74 * @return 0 on success, negative error code on failure
elijahsj 1:8a094db1347f 75 */
elijahsj 1:8a094db1347f 76 virtual int rename(const char *path, const char *newpath);
elijahsj 1:8a094db1347f 77
elijahsj 1:8a094db1347f 78 /** Store information about the file in a stat structure
elijahsj 1:8a094db1347f 79 *
elijahsj 1:8a094db1347f 80 * @param path The name of the file to find information about
elijahsj 1:8a094db1347f 81 * @param st The stat buffer to write to
elijahsj 1:8a094db1347f 82 * @return 0 on success, negative error code on failure
elijahsj 1:8a094db1347f 83 */
elijahsj 1:8a094db1347f 84 virtual int stat(const char *path, struct stat *st);
elijahsj 1:8a094db1347f 85
elijahsj 1:8a094db1347f 86 /** Create a directory in the filesystem.
elijahsj 1:8a094db1347f 87 *
elijahsj 1:8a094db1347f 88 * @param path The name of the directory to create.
elijahsj 1:8a094db1347f 89 * @param mode The permissions with which to create the directory
elijahsj 1:8a094db1347f 90 * @return 0 on success, negative error code on failure
elijahsj 1:8a094db1347f 91 */
elijahsj 1:8a094db1347f 92 virtual int mkdir(const char *path, mode_t mode);
elijahsj 1:8a094db1347f 93 };
elijahsj 1:8a094db1347f 94
elijahsj 1:8a094db1347f 95
elijahsj 1:8a094db1347f 96 } // namespace mbed
elijahsj 1:8a094db1347f 97
elijahsj 1:8a094db1347f 98 #endif
elijahsj 1:8a094db1347f 99
elijahsj 1:8a094db1347f 100 /** @}*/