不韋 呂 / F746_SD_BitmapViewer

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Dependencies:   SDFileSystem_Warning_Fixed F746_GUI

mbed_src_STM32F7/api/FileSystemLike.h@0:f62ffd3644bf, 2018-10-21 (annotated)

Committer:
MikamiUitOpen
Date:
Sun Oct 21 11:29:47 2018 +0000
Revision:
0:f62ffd3644bf
1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:f62ffd3644bf 1 /* mbed Microcontroller Library
MikamiUitOpen 0:f62ffd3644bf 2 * Copyright (c) 2006-2013 ARM Limited
MikamiUitOpen 0:f62ffd3644bf 3 *
MikamiUitOpen 0:f62ffd3644bf 4 * Licensed under the Apache License, Version 2.0 (the "License");
MikamiUitOpen 0:f62ffd3644bf 5 * you may not use this file except in compliance with the License.
MikamiUitOpen 0:f62ffd3644bf 6 * You may obtain a copy of the License at
MikamiUitOpen 0:f62ffd3644bf 7 *
MikamiUitOpen 0:f62ffd3644bf 8 * http://www.apache.org/licenses/LICENSE-2.0
MikamiUitOpen 0:f62ffd3644bf 9 *
MikamiUitOpen 0:f62ffd3644bf 10 * Unless required by applicable law or agreed to in writing, software
MikamiUitOpen 0:f62ffd3644bf 11 * distributed under the License is distributed on an "AS IS" BASIS,
MikamiUitOpen 0:f62ffd3644bf 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MikamiUitOpen 0:f62ffd3644bf 13 * See the License for the specific language governing permissions and
MikamiUitOpen 0:f62ffd3644bf 14 * limitations under the License.
MikamiUitOpen 0:f62ffd3644bf 15 */
MikamiUitOpen 0:f62ffd3644bf 16 #ifndef MBED_FILESYSTEMLIKE_H
MikamiUitOpen 0:f62ffd3644bf 17 #define MBED_FILESYSTEMLIKE_H
MikamiUitOpen 0:f62ffd3644bf 18
MikamiUitOpen 0:f62ffd3644bf 19 #include "platform.h"
MikamiUitOpen 0:f62ffd3644bf 20
MikamiUitOpen 0:f62ffd3644bf 21 #include "FileBase.h"
MikamiUitOpen 0:f62ffd3644bf 22 #include "FileHandle.h"
MikamiUitOpen 0:f62ffd3644bf 23 #include "DirHandle.h"
MikamiUitOpen 0:f62ffd3644bf 24
MikamiUitOpen 0:f62ffd3644bf 25 namespace mbed {
MikamiUitOpen 0:f62ffd3644bf 26
MikamiUitOpen 0:f62ffd3644bf 27 /** A filesystem-like object is one that can be used to open files
MikamiUitOpen 0:f62ffd3644bf 28 * though it by fopen("/name/filename", mode)
MikamiUitOpen 0:f62ffd3644bf 29 *
MikamiUitOpen 0:f62ffd3644bf 30 * Implementations must define at least open (the default definitions
MikamiUitOpen 0:f62ffd3644bf 31 * of the rest of the functions just return error values).
MikamiUitOpen 0:f62ffd3644bf 32 */
MikamiUitOpen 0:f62ffd3644bf 33 class FileSystemLike : public FileBase {
MikamiUitOpen 0:f62ffd3644bf 34
MikamiUitOpen 0:f62ffd3644bf 35 public:
MikamiUitOpen 0:f62ffd3644bf 36 /** FileSystemLike constructor
MikamiUitOpen 0:f62ffd3644bf 37 *
MikamiUitOpen 0:f62ffd3644bf 38 * @param name The name to use for the filesystem.
MikamiUitOpen 0:f62ffd3644bf 39 */
MikamiUitOpen 0:f62ffd3644bf 40 FileSystemLike(const char *name);
MikamiUitOpen 0:f62ffd3644bf 41
MikamiUitOpen 0:f62ffd3644bf 42 virtual ~FileSystemLike();
MikamiUitOpen 0:f62ffd3644bf 43
MikamiUitOpen 0:f62ffd3644bf 44 static DirHandle *opendir();
MikamiUitOpen 0:f62ffd3644bf 45 friend class BaseDirHandle;
MikamiUitOpen 0:f62ffd3644bf 46
MikamiUitOpen 0:f62ffd3644bf 47 /** Opens a file from the filesystem
MikamiUitOpen 0:f62ffd3644bf 48 *
MikamiUitOpen 0:f62ffd3644bf 49 * @param filename The name of the file to open.
MikamiUitOpen 0:f62ffd3644bf 50 * @param flags One of O_RDONLY, O_WRONLY, or O_RDWR, OR'd with
MikamiUitOpen 0:f62ffd3644bf 51 * zero or more of O_CREAT, O_TRUNC, or O_APPEND.
MikamiUitOpen 0:f62ffd3644bf 52 *
MikamiUitOpen 0:f62ffd3644bf 53 * @returns
MikamiUitOpen 0:f62ffd3644bf 54 * A pointer to a FileHandle object representing the
MikamiUitOpen 0:f62ffd3644bf 55 * file on success, or NULL on failure.
MikamiUitOpen 0:f62ffd3644bf 56 */
MikamiUitOpen 0:f62ffd3644bf 57 virtual FileHandle *open(const char *filename, int flags) = 0;
MikamiUitOpen 0:f62ffd3644bf 58
MikamiUitOpen 0:f62ffd3644bf 59 /** Remove a file from the filesystem.
MikamiUitOpen 0:f62ffd3644bf 60 *
MikamiUitOpen 0:f62ffd3644bf 61 * @param filename the name of the file to remove.
MikamiUitOpen 0:f62ffd3644bf 62 * @param returns 0 on success, -1 on failure.
MikamiUitOpen 0:f62ffd3644bf 63 */
MikamiUitOpen 0:f62ffd3644bf 64 virtual int remove(const char *filename) { return -1; };
MikamiUitOpen 0:f62ffd3644bf 65
MikamiUitOpen 0:f62ffd3644bf 66 /** Rename a file in the filesystem.
MikamiUitOpen 0:f62ffd3644bf 67 *
MikamiUitOpen 0:f62ffd3644bf 68 * @param oldname the name of the file to rename.
MikamiUitOpen 0:f62ffd3644bf 69 * @param newname the name to rename it to.
MikamiUitOpen 0:f62ffd3644bf 70 *
MikamiUitOpen 0:f62ffd3644bf 71 * @returns
MikamiUitOpen 0:f62ffd3644bf 72 * 0 on success,
MikamiUitOpen 0:f62ffd3644bf 73 * -1 on failure.
MikamiUitOpen 0:f62ffd3644bf 74 */
MikamiUitOpen 0:f62ffd3644bf 75 virtual int rename(const char *oldname, const char *newname) { return -1; };
MikamiUitOpen 0:f62ffd3644bf 76
MikamiUitOpen 0:f62ffd3644bf 77 /** Opens a directory in the filesystem and returns a DirHandle
MikamiUitOpen 0:f62ffd3644bf 78 * representing the directory stream.
MikamiUitOpen 0:f62ffd3644bf 79 *
MikamiUitOpen 0:f62ffd3644bf 80 * @param name The name of the directory to open.
MikamiUitOpen 0:f62ffd3644bf 81 *
MikamiUitOpen 0:f62ffd3644bf 82 * @returns
MikamiUitOpen 0:f62ffd3644bf 83 * A DirHandle representing the directory stream, or
MikamiUitOpen 0:f62ffd3644bf 84 * NULL on failure.
MikamiUitOpen 0:f62ffd3644bf 85 */
MikamiUitOpen 0:f62ffd3644bf 86 virtual DirHandle *opendir(const char *name) { return NULL; };
MikamiUitOpen 0:f62ffd3644bf 87
MikamiUitOpen 0:f62ffd3644bf 88 /** Creates a directory in the filesystem.
MikamiUitOpen 0:f62ffd3644bf 89 *
MikamiUitOpen 0:f62ffd3644bf 90 * @param name The name of the directory to create.
MikamiUitOpen 0:f62ffd3644bf 91 * @param mode The permissions to create the directory with.
MikamiUitOpen 0:f62ffd3644bf 92 *
MikamiUitOpen 0:f62ffd3644bf 93 * @returns
MikamiUitOpen 0:f62ffd3644bf 94 * 0 on success,
MikamiUitOpen 0:f62ffd3644bf 95 * -1 on failure.
MikamiUitOpen 0:f62ffd3644bf 96 */
MikamiUitOpen 0:f62ffd3644bf 97 virtual int mkdir(const char *name, mode_t mode) { return -1; }
MikamiUitOpen 0:f62ffd3644bf 98
MikamiUitOpen 0:f62ffd3644bf 99 // TODO other filesystem functions (mkdir, rm, rn, ls etc)
MikamiUitOpen 0:f62ffd3644bf 100 };
MikamiUitOpen 0:f62ffd3644bf 101
MikamiUitOpen 0:f62ffd3644bf 102 } // namespace mbed
MikamiUitOpen 0:f62ffd3644bf 103
MikamiUitOpen 0:f62ffd3644bf 104 #endif