Mateusz Kowalik / Application_danix

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Fork of Application by Daniel Sygut

mbed-dev/drivers/FileSystemLike.h@15:2a20c3d2616e, 2018-02-15 (annotated)

Committer:
Zaitsev
Date:
Thu Feb 15 14:29:23 2018 +0000
Revision:
15:2a20c3d2616e
Parent:
10:41552d038a69 
j

Who changed what in which revision?

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Zaitsev 10:41552d038a69 1 /* mbed Microcontroller Library
Zaitsev 10:41552d038a69 2 * Copyright (c) 2006-2013 ARM Limited
Zaitsev 10:41552d038a69 3 *
Zaitsev 10:41552d038a69 4 * Licensed under the Apache License, Version 2.0 (the "License");
Zaitsev 10:41552d038a69 5 * you may not use this file except in compliance with the License.
Zaitsev 10:41552d038a69 6 * You may obtain a copy of the License at
Zaitsev 10:41552d038a69 7 *
Zaitsev 10:41552d038a69 8 * http://www.apache.org/licenses/LICENSE-2.0
Zaitsev 10:41552d038a69 9 *
Zaitsev 10:41552d038a69 10 * Unless required by applicable law or agreed to in writing, software
Zaitsev 10:41552d038a69 11 * distributed under the License is distributed on an "AS IS" BASIS,
Zaitsev 10:41552d038a69 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Zaitsev 10:41552d038a69 13 * See the License for the specific language governing permissions and
Zaitsev 10:41552d038a69 14 * limitations under the License.
Zaitsev 10:41552d038a69 15 */
Zaitsev 10:41552d038a69 16 #ifndef MBED_FILESYSTEMLIKE_H
Zaitsev 10:41552d038a69 17 #define MBED_FILESYSTEMLIKE_H
Zaitsev 10:41552d038a69 18
Zaitsev 10:41552d038a69 19 #include "platform/platform.h"
Zaitsev 10:41552d038a69 20
Zaitsev 10:41552d038a69 21 #include "drivers/FileBase.h"
Zaitsev 10:41552d038a69 22 #include "drivers/FileHandle.h"
Zaitsev 10:41552d038a69 23 #include "drivers/DirHandle.h"
Zaitsev 10:41552d038a69 24
Zaitsev 10:41552d038a69 25 namespace mbed {
Zaitsev 10:41552d038a69 26 /** \addtogroup drivers */
Zaitsev 10:41552d038a69 27 /** @{*/
Zaitsev 10:41552d038a69 28
Zaitsev 10:41552d038a69 29 /** A filesystem-like object is one that can be used to open files
Zaitsev 10:41552d038a69 30 * though it by fopen("/name/filename", mode)
Zaitsev 10:41552d038a69 31 *
Zaitsev 10:41552d038a69 32 * Implementations must define at least open (the default definitions
Zaitsev 10:41552d038a69 33 * of the rest of the functions just return error values).
Zaitsev 10:41552d038a69 34 *
Zaitsev 10:41552d038a69 35 * @Note Synchronization level: Set by subclass
Zaitsev 10:41552d038a69 36 */
Zaitsev 10:41552d038a69 37 class FileSystemLike : public FileBase {
Zaitsev 10:41552d038a69 38
Zaitsev 10:41552d038a69 39 public:
Zaitsev 10:41552d038a69 40 /** FileSystemLike constructor
Zaitsev 10:41552d038a69 41 *
Zaitsev 10:41552d038a69 42 * @param name The name to use for the filesystem.
Zaitsev 10:41552d038a69 43 */
Zaitsev 10:41552d038a69 44 FileSystemLike(const char *name);
Zaitsev 10:41552d038a69 45
Zaitsev 10:41552d038a69 46 virtual ~FileSystemLike();
Zaitsev 10:41552d038a69 47
Zaitsev 10:41552d038a69 48 static DirHandle *opendir();
Zaitsev 10:41552d038a69 49 friend class BaseDirHandle;
Zaitsev 10:41552d038a69 50
Zaitsev 10:41552d038a69 51 /** Opens a file from the filesystem
Zaitsev 10:41552d038a69 52 *
Zaitsev 10:41552d038a69 53 * @param filename The name of the file to open.
Zaitsev 10:41552d038a69 54 * @param flags One of O_RDONLY, O_WRONLY, or O_RDWR, OR'd with
Zaitsev 10:41552d038a69 55 * zero or more of O_CREAT, O_TRUNC, or O_APPEND.
Zaitsev 10:41552d038a69 56 *
Zaitsev 10:41552d038a69 57 * @returns
Zaitsev 10:41552d038a69 58 * A pointer to a FileHandle object representing the
Zaitsev 10:41552d038a69 59 * file on success, or NULL on failure.
Zaitsev 10:41552d038a69 60 */
Zaitsev 10:41552d038a69 61 virtual FileHandle *open(const char *filename, int flags) = 0;
Zaitsev 10:41552d038a69 62
Zaitsev 10:41552d038a69 63 /** Remove a file from the filesystem.
Zaitsev 10:41552d038a69 64 *
Zaitsev 10:41552d038a69 65 * @param filename the name of the file to remove.
Zaitsev 10:41552d038a69 66 * @param returns 0 on success, -1 on failure.
Zaitsev 10:41552d038a69 67 */
Zaitsev 10:41552d038a69 68 virtual int remove(const char *filename) { (void) filename; return -1; };
Zaitsev 10:41552d038a69 69
Zaitsev 10:41552d038a69 70 /** Rename a file in the filesystem.
Zaitsev 10:41552d038a69 71 *
Zaitsev 10:41552d038a69 72 * @param oldname the name of the file to rename.
Zaitsev 10:41552d038a69 73 * @param newname the name to rename it to.
Zaitsev 10:41552d038a69 74 *
Zaitsev 10:41552d038a69 75 * @returns
Zaitsev 10:41552d038a69 76 * 0 on success,
Zaitsev 10:41552d038a69 77 * -1 on failure.
Zaitsev 10:41552d038a69 78 */
Zaitsev 10:41552d038a69 79 virtual int rename(const char *oldname, const char *newname) { (void) oldname, (void) newname; return -1; };
Zaitsev 10:41552d038a69 80
Zaitsev 10:41552d038a69 81 /** Opens a directory in the filesystem and returns a DirHandle
Zaitsev 10:41552d038a69 82 * representing the directory stream.
Zaitsev 10:41552d038a69 83 *
Zaitsev 10:41552d038a69 84 * @param name The name of the directory to open.
Zaitsev 10:41552d038a69 85 *
Zaitsev 10:41552d038a69 86 * @returns
Zaitsev 10:41552d038a69 87 * A DirHandle representing the directory stream, or
Zaitsev 10:41552d038a69 88 * NULL on failure.
Zaitsev 10:41552d038a69 89 */
Zaitsev 10:41552d038a69 90 virtual DirHandle *opendir(const char *name) { (void) name; return NULL; };
Zaitsev 10:41552d038a69 91
Zaitsev 10:41552d038a69 92 /** Creates a directory in the filesystem.
Zaitsev 10:41552d038a69 93 *
Zaitsev 10:41552d038a69 94 * @param name The name of the directory to create.
Zaitsev 10:41552d038a69 95 * @param mode The permissions to create the directory with.
Zaitsev 10:41552d038a69 96 *
Zaitsev 10:41552d038a69 97 * @returns
Zaitsev 10:41552d038a69 98 * 0 on success,
Zaitsev 10:41552d038a69 99 * -1 on failure.
Zaitsev 10:41552d038a69 100 */
Zaitsev 10:41552d038a69 101 virtual int mkdir(const char *name, mode_t mode) { (void) name, (void) mode; return -1; }
Zaitsev 10:41552d038a69 102
Zaitsev 10:41552d038a69 103 // TODO other filesystem functions (mkdir, rm, rn, ls etc)
Zaitsev 10:41552d038a69 104 };
Zaitsev 10:41552d038a69 105
Zaitsev 10:41552d038a69 106 } // namespace mbed
Zaitsev 10:41552d038a69 107
Zaitsev 10:41552d038a69 108 #endif
Zaitsev 10:41552d038a69 109
Zaitsev 10:41552d038a69 110 /** @}*/