Mouse code for the MacroRat
mbed-dev/drivers/FileSystemLike.h@46:b156ef445742, 2017-06-03 (annotated)
- Committer:
- sahilmgandhi
- Date:
- Sat Jun 03 00:22:44 2017 +0000
- Revision:
- 46:b156ef445742
- Parent:
- 18:6a4db94011d3
Final code for internal battlebot competition.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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sahilmgandhi | 18:6a4db94011d3 | 1 | /* mbed Microcontroller Library |
sahilmgandhi | 18:6a4db94011d3 | 2 | * Copyright (c) 2006-2013 ARM Limited |
sahilmgandhi | 18:6a4db94011d3 | 3 | * |
sahilmgandhi | 18:6a4db94011d3 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
sahilmgandhi | 18:6a4db94011d3 | 5 | * you may not use this file except in compliance with the License. |
sahilmgandhi | 18:6a4db94011d3 | 6 | * You may obtain a copy of the License at |
sahilmgandhi | 18:6a4db94011d3 | 7 | * |
sahilmgandhi | 18:6a4db94011d3 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
sahilmgandhi | 18:6a4db94011d3 | 9 | * |
sahilmgandhi | 18:6a4db94011d3 | 10 | * Unless required by applicable law or agreed to in writing, software |
sahilmgandhi | 18:6a4db94011d3 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
sahilmgandhi | 18:6a4db94011d3 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
sahilmgandhi | 18:6a4db94011d3 | 13 | * See the License for the specific language governing permissions and |
sahilmgandhi | 18:6a4db94011d3 | 14 | * limitations under the License. |
sahilmgandhi | 18:6a4db94011d3 | 15 | */ |
sahilmgandhi | 18:6a4db94011d3 | 16 | #ifndef MBED_FILESYSTEMLIKE_H |
sahilmgandhi | 18:6a4db94011d3 | 17 | #define MBED_FILESYSTEMLIKE_H |
sahilmgandhi | 18:6a4db94011d3 | 18 | |
sahilmgandhi | 18:6a4db94011d3 | 19 | #include "platform/platform.h" |
sahilmgandhi | 18:6a4db94011d3 | 20 | |
sahilmgandhi | 18:6a4db94011d3 | 21 | #include "drivers/FileBase.h" |
sahilmgandhi | 18:6a4db94011d3 | 22 | #include "drivers/FileHandle.h" |
sahilmgandhi | 18:6a4db94011d3 | 23 | #include "drivers/DirHandle.h" |
sahilmgandhi | 18:6a4db94011d3 | 24 | |
sahilmgandhi | 18:6a4db94011d3 | 25 | namespace mbed { |
sahilmgandhi | 18:6a4db94011d3 | 26 | /** \addtogroup drivers */ |
sahilmgandhi | 18:6a4db94011d3 | 27 | /** @{*/ |
sahilmgandhi | 18:6a4db94011d3 | 28 | |
sahilmgandhi | 18:6a4db94011d3 | 29 | /** A filesystem-like object is one that can be used to open files |
sahilmgandhi | 18:6a4db94011d3 | 30 | * though it by fopen("/name/filename", mode) |
sahilmgandhi | 18:6a4db94011d3 | 31 | * |
sahilmgandhi | 18:6a4db94011d3 | 32 | * Implementations must define at least open (the default definitions |
sahilmgandhi | 18:6a4db94011d3 | 33 | * of the rest of the functions just return error values). |
sahilmgandhi | 18:6a4db94011d3 | 34 | * |
sahilmgandhi | 18:6a4db94011d3 | 35 | * @Note Synchronization level: Set by subclass |
sahilmgandhi | 18:6a4db94011d3 | 36 | */ |
sahilmgandhi | 18:6a4db94011d3 | 37 | class FileSystemLike : public FileBase { |
sahilmgandhi | 18:6a4db94011d3 | 38 | |
sahilmgandhi | 18:6a4db94011d3 | 39 | public: |
sahilmgandhi | 18:6a4db94011d3 | 40 | /** FileSystemLike constructor |
sahilmgandhi | 18:6a4db94011d3 | 41 | * |
sahilmgandhi | 18:6a4db94011d3 | 42 | * @param name The name to use for the filesystem. |
sahilmgandhi | 18:6a4db94011d3 | 43 | */ |
sahilmgandhi | 18:6a4db94011d3 | 44 | MBED_DEPRECATED_SINCE("mbed-os-5.4", |
sahilmgandhi | 18:6a4db94011d3 | 45 | "The mbed 2 filesystem classes have been superseeded by the FileSystem api, " |
sahilmgandhi | 18:6a4db94011d3 | 46 | "Replaced by FileSystem") |
sahilmgandhi | 18:6a4db94011d3 | 47 | FileSystemLike(const char *name); |
sahilmgandhi | 18:6a4db94011d3 | 48 | |
sahilmgandhi | 18:6a4db94011d3 | 49 | virtual ~FileSystemLike(); |
sahilmgandhi | 18:6a4db94011d3 | 50 | |
sahilmgandhi | 18:6a4db94011d3 | 51 | MBED_DEPRECATED_SINCE("mbed-os-5.4", |
sahilmgandhi | 18:6a4db94011d3 | 52 | "The mbed 2 filesystem classes have been superseeded by the FileSystem api, " |
sahilmgandhi | 18:6a4db94011d3 | 53 | "Replaced by FileSystem") |
sahilmgandhi | 18:6a4db94011d3 | 54 | static DirHandle *opendir(); |
sahilmgandhi | 18:6a4db94011d3 | 55 | friend class BaseDirHandle; |
sahilmgandhi | 18:6a4db94011d3 | 56 | |
sahilmgandhi | 18:6a4db94011d3 | 57 | /** Opens a file from the filesystem |
sahilmgandhi | 18:6a4db94011d3 | 58 | * |
sahilmgandhi | 18:6a4db94011d3 | 59 | * @param filename The name of the file to open. |
sahilmgandhi | 18:6a4db94011d3 | 60 | * @param flags One of O_RDONLY, O_WRONLY, or O_RDWR, OR'd with |
sahilmgandhi | 18:6a4db94011d3 | 61 | * zero or more of O_CREAT, O_TRUNC, or O_APPEND. |
sahilmgandhi | 18:6a4db94011d3 | 62 | * |
sahilmgandhi | 18:6a4db94011d3 | 63 | * @returns |
sahilmgandhi | 18:6a4db94011d3 | 64 | * A pointer to a FileHandle object representing the |
sahilmgandhi | 18:6a4db94011d3 | 65 | * file on success, or NULL on failure. |
sahilmgandhi | 18:6a4db94011d3 | 66 | */ |
sahilmgandhi | 18:6a4db94011d3 | 67 | virtual FileHandle *open(const char *filename, int flags) = 0; |
sahilmgandhi | 18:6a4db94011d3 | 68 | |
sahilmgandhi | 18:6a4db94011d3 | 69 | /** Remove a file from the filesystem. |
sahilmgandhi | 18:6a4db94011d3 | 70 | * |
sahilmgandhi | 18:6a4db94011d3 | 71 | * @param filename the name of the file to remove. |
sahilmgandhi | 18:6a4db94011d3 | 72 | * @param returns 0 on success, -1 on failure. |
sahilmgandhi | 18:6a4db94011d3 | 73 | */ |
sahilmgandhi | 18:6a4db94011d3 | 74 | virtual int remove(const char *filename) { (void) filename; return -1; }; |
sahilmgandhi | 18:6a4db94011d3 | 75 | |
sahilmgandhi | 18:6a4db94011d3 | 76 | /** Rename a file in the filesystem. |
sahilmgandhi | 18:6a4db94011d3 | 77 | * |
sahilmgandhi | 18:6a4db94011d3 | 78 | * @param oldname the name of the file to rename. |
sahilmgandhi | 18:6a4db94011d3 | 79 | * @param newname the name to rename it to. |
sahilmgandhi | 18:6a4db94011d3 | 80 | * |
sahilmgandhi | 18:6a4db94011d3 | 81 | * @returns |
sahilmgandhi | 18:6a4db94011d3 | 82 | * 0 on success, |
sahilmgandhi | 18:6a4db94011d3 | 83 | * -1 on failure. |
sahilmgandhi | 18:6a4db94011d3 | 84 | */ |
sahilmgandhi | 18:6a4db94011d3 | 85 | virtual int rename(const char *oldname, const char *newname) { (void) oldname, (void) newname; return -1; }; |
sahilmgandhi | 18:6a4db94011d3 | 86 | |
sahilmgandhi | 18:6a4db94011d3 | 87 | /** Opens a directory in the filesystem and returns a DirHandle |
sahilmgandhi | 18:6a4db94011d3 | 88 | * representing the directory stream. |
sahilmgandhi | 18:6a4db94011d3 | 89 | * |
sahilmgandhi | 18:6a4db94011d3 | 90 | * @param name The name of the directory to open. |
sahilmgandhi | 18:6a4db94011d3 | 91 | * |
sahilmgandhi | 18:6a4db94011d3 | 92 | * @returns |
sahilmgandhi | 18:6a4db94011d3 | 93 | * A DirHandle representing the directory stream, or |
sahilmgandhi | 18:6a4db94011d3 | 94 | * NULL on failure. |
sahilmgandhi | 18:6a4db94011d3 | 95 | */ |
sahilmgandhi | 18:6a4db94011d3 | 96 | virtual DirHandle *opendir(const char *name) { (void) name; return NULL; }; |
sahilmgandhi | 18:6a4db94011d3 | 97 | |
sahilmgandhi | 18:6a4db94011d3 | 98 | /** Creates a directory in the filesystem. |
sahilmgandhi | 18:6a4db94011d3 | 99 | * |
sahilmgandhi | 18:6a4db94011d3 | 100 | * @param name The name of the directory to create. |
sahilmgandhi | 18:6a4db94011d3 | 101 | * @param mode The permissions to create the directory with. |
sahilmgandhi | 18:6a4db94011d3 | 102 | * |
sahilmgandhi | 18:6a4db94011d3 | 103 | * @returns |
sahilmgandhi | 18:6a4db94011d3 | 104 | * 0 on success, |
sahilmgandhi | 18:6a4db94011d3 | 105 | * -1 on failure. |
sahilmgandhi | 18:6a4db94011d3 | 106 | */ |
sahilmgandhi | 18:6a4db94011d3 | 107 | virtual int mkdir(const char *name, mode_t mode) { (void) name, (void) mode; return -1; } |
sahilmgandhi | 18:6a4db94011d3 | 108 | |
sahilmgandhi | 18:6a4db94011d3 | 109 | /** Store information about file in stat structure |
sahilmgandhi | 18:6a4db94011d3 | 110 | * |
sahilmgandhi | 18:6a4db94011d3 | 111 | * @param name The name of the file to find information about |
sahilmgandhi | 18:6a4db94011d3 | 112 | * @param st The stat buffer to write to |
sahilmgandhi | 18:6a4db94011d3 | 113 | * @returns |
sahilmgandhi | 18:6a4db94011d3 | 114 | * 0 on success or un-needed, |
sahilmgandhi | 18:6a4db94011d3 | 115 | * -1 on error |
sahilmgandhi | 18:6a4db94011d3 | 116 | */ |
sahilmgandhi | 18:6a4db94011d3 | 117 | virtual int stat(const char *name, struct stat *st) { return -1; }; |
sahilmgandhi | 18:6a4db94011d3 | 118 | }; |
sahilmgandhi | 18:6a4db94011d3 | 119 | |
sahilmgandhi | 18:6a4db94011d3 | 120 | } // namespace mbed |
sahilmgandhi | 18:6a4db94011d3 | 121 | |
sahilmgandhi | 18:6a4db94011d3 | 122 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 123 | |
sahilmgandhi | 18:6a4db94011d3 | 124 | /** @}*/ |