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This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

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The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

common/FileSystemLike.cpp@9:0ce32e54c9a7, 2013-06-10 (annotated)

Committer:
emilmont
Date:
Mon Jun 10 16:03:00 2013 +0100
Revision:
9:0ce32e54c9a7
Parent:
cpp/FileSystemLike.cpp@2:143cac498751
Child:
10:3bc89ef62ce7
Refactoring of the mbed SDK:

- Provide a well defined HAL and API

- Keep separated the HAL implementations for the different targets

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:fd0d7bdfcdc2 1 /* mbed Microcontroller Library
emilmont 2:143cac498751 2 * Copyright (c) 2006-2013 ARM Limited
mbed_official 0:fd0d7bdfcdc2 3 *
emilmont 2:143cac498751 4 * Licensed under the Apache License, Version 2.0 (the "License");
emilmont 2:143cac498751 5 * you may not use this file except in compliance with the License.
emilmont 2:143cac498751 6 * You may obtain a copy of the License at
mbed_official 0:fd0d7bdfcdc2 7 *
emilmont 2:143cac498751 8 * http://www.apache.org/licenses/LICENSE-2.0
mbed_official 0:fd0d7bdfcdc2 9 *
emilmont 2:143cac498751 10 * Unless required by applicable law or agreed to in writing, software
emilmont 2:143cac498751 11 * distributed under the License is distributed on an "AS IS" BASIS,
emilmont 2:143cac498751 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
emilmont 2:143cac498751 13 * See the License for the specific language governing permissions and
emilmont 2:143cac498751 14 * limitations under the License.
mbed_official 0:fd0d7bdfcdc2 15 */
mbed_official 0:fd0d7bdfcdc2 16 #include "FileSystemLike.h"
mbed_official 0:fd0d7bdfcdc2 17
mbed_official 0:fd0d7bdfcdc2 18 namespace mbed {
mbed_official 0:fd0d7bdfcdc2 19
mbed_official 0:fd0d7bdfcdc2 20 class BaseDirHandle : public DirHandle {
mbed_official 0:fd0d7bdfcdc2 21 public:
mbed_official 0:fd0d7bdfcdc2 22 /*
mbed_official 0:fd0d7bdfcdc2 23 We keep track of our current location as the n'th object in the
mbed_official 0:fd0d7bdfcdc2 24 FileSystemLike list. Using a Base* instead would cause problems if that
mbed_official 0:fd0d7bdfcdc2 25 object were to be destroyed between readdirs.
mbed_official 0:fd0d7bdfcdc2 26 Using this method does mean though that destroying/creating objects can
mbed_official 0:fd0d7bdfcdc2 27 give unusual results from readdir.
mbed_official 0:fd0d7bdfcdc2 28 */
mbed_official 0:fd0d7bdfcdc2 29 off_t n;
mbed_official 0:fd0d7bdfcdc2 30 struct dirent cur_entry;
emilmont 2:143cac498751 31
mbed_official 0:fd0d7bdfcdc2 32 BaseDirHandle() {
mbed_official 0:fd0d7bdfcdc2 33 n = 0;
mbed_official 0:fd0d7bdfcdc2 34 }
emilmont 2:143cac498751 35
mbed_official 0:fd0d7bdfcdc2 36 virtual int closedir() {
mbed_official 0:fd0d7bdfcdc2 37 delete this;
mbed_official 0:fd0d7bdfcdc2 38 return 0;
mbed_official 0:fd0d7bdfcdc2 39 }
emilmont 2:143cac498751 40
mbed_official 0:fd0d7bdfcdc2 41 virtual struct dirent *readdir() {
emilmont 2:143cac498751 42 FileBase *ptr = FileBase::get(n);
emilmont 2:143cac498751 43 if (ptr == NULL) return NULL;
emilmont 2:143cac498751 44
mbed_official 0:fd0d7bdfcdc2 45 /* Increment n, so next readdir gets the next item */
mbed_official 0:fd0d7bdfcdc2 46 n++;
emilmont 2:143cac498751 47
emilmont 2:143cac498751 48 /* Setup cur entry and return a pointer to it */
emilmont 2:143cac498751 49 std::strncpy(cur_entry.d_name, ptr->getName(), NAME_MAX);
mbed_official 0:fd0d7bdfcdc2 50 return &cur_entry;
mbed_official 0:fd0d7bdfcdc2 51 }
emilmont 2:143cac498751 52
mbed_official 0:fd0d7bdfcdc2 53 virtual off_t telldir() {
mbed_official 0:fd0d7bdfcdc2 54 return n;
mbed_official 0:fd0d7bdfcdc2 55 }
emilmont 2:143cac498751 56
emilmont 2:143cac498751 57 virtual void seekdir(off_t offset) {
mbed_official 0:fd0d7bdfcdc2 58 n = offset;
mbed_official 0:fd0d7bdfcdc2 59 }
emilmont 2:143cac498751 60
mbed_official 0:fd0d7bdfcdc2 61 virtual void rewinddir() {
mbed_official 0:fd0d7bdfcdc2 62 n = 0;
mbed_official 0:fd0d7bdfcdc2 63 }
mbed_official 0:fd0d7bdfcdc2 64 };
mbed_official 0:fd0d7bdfcdc2 65
emilmont 2:143cac498751 66 FileSystemLike::FileSystemLike(const char *name) : FileBase(name, FileSystemPathType) {
emilmont 2:143cac498751 67
emilmont 2:143cac498751 68 }
emilmont 2:143cac498751 69
emilmont 2:143cac498751 70 FileSystemLike::~FileSystemLike() {
emilmont 2:143cac498751 71
emilmont 2:143cac498751 72 }
emilmont 2:143cac498751 73
mbed_official 0:fd0d7bdfcdc2 74 DirHandle *FileSystemLike::opendir() {
mbed_official 0:fd0d7bdfcdc2 75 return new BaseDirHandle();
mbed_official 0:fd0d7bdfcdc2 76 }
mbed_official 0:fd0d7bdfcdc2 77
mbed_official 0:fd0d7bdfcdc2 78 } // namespace mbed