Marco Zecchini / Mbed OS Example_RTOS

Rtos API example

mbed-os/platform/FilePath.cpp@0:9fca2b23d0ba, 2019-02-23 (annotated)

Committer:
marcozecchini
Date:
Sat Feb 23 12:13:36 2019 +0000
Revision:
0:9fca2b23d0ba
final commit

Who changed what in which revision?

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marcozecchini 0:9fca2b23d0ba 1 /* mbed Microcontroller Library
marcozecchini 0:9fca2b23d0ba 2 * Copyright (c) 2006-2013 ARM Limited
marcozecchini 0:9fca2b23d0ba 3 *
marcozecchini 0:9fca2b23d0ba 4 * Licensed under the Apache License, Version 2.0 (the "License");
marcozecchini 0:9fca2b23d0ba 5 * you may not use this file except in compliance with the License.
marcozecchini 0:9fca2b23d0ba 6 * You may obtain a copy of the License at
marcozecchini 0:9fca2b23d0ba 7 *
marcozecchini 0:9fca2b23d0ba 8 * http://www.apache.org/licenses/LICENSE-2.0
marcozecchini 0:9fca2b23d0ba 9 *
marcozecchini 0:9fca2b23d0ba 10 * Unless required by applicable law or agreed to in writing, software
marcozecchini 0:9fca2b23d0ba 11 * distributed under the License is distributed on an "AS IS" BASIS,
marcozecchini 0:9fca2b23d0ba 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
marcozecchini 0:9fca2b23d0ba 13 * See the License for the specific language governing permissions and
marcozecchini 0:9fca2b23d0ba 14 * limitations under the License.
marcozecchini 0:9fca2b23d0ba 15 */
marcozecchini 0:9fca2b23d0ba 16 #include "platform/FilePath.h"
marcozecchini 0:9fca2b23d0ba 17
marcozecchini 0:9fca2b23d0ba 18 namespace mbed {
marcozecchini 0:9fca2b23d0ba 19
marcozecchini 0:9fca2b23d0ba 20 FilePath::FilePath(const char* file_path) : file_name(NULL), fb(NULL) {
marcozecchini 0:9fca2b23d0ba 21 if ((file_path[0] != '/') || (file_path[1] == 0)) return;
marcozecchini 0:9fca2b23d0ba 22
marcozecchini 0:9fca2b23d0ba 23 const char* file_system = &file_path[1];
marcozecchini 0:9fca2b23d0ba 24 file_name = file_system;
marcozecchini 0:9fca2b23d0ba 25 int len = 0;
marcozecchini 0:9fca2b23d0ba 26 while (true) {
marcozecchini 0:9fca2b23d0ba 27 char c = *file_name;
marcozecchini 0:9fca2b23d0ba 28 if (c == '/') { // end of object name
marcozecchini 0:9fca2b23d0ba 29 file_name++; // point to one char after the '/'
marcozecchini 0:9fca2b23d0ba 30 break;
marcozecchini 0:9fca2b23d0ba 31 }
marcozecchini 0:9fca2b23d0ba 32 if (c == 0) { // end of object name, with no filename
marcozecchini 0:9fca2b23d0ba 33 break;
marcozecchini 0:9fca2b23d0ba 34 }
marcozecchini 0:9fca2b23d0ba 35 len++;
marcozecchini 0:9fca2b23d0ba 36 file_name++;
marcozecchini 0:9fca2b23d0ba 37 }
marcozecchini 0:9fca2b23d0ba 38
marcozecchini 0:9fca2b23d0ba 39 fb = FileBase::lookup(file_system, len);
marcozecchini 0:9fca2b23d0ba 40 }
marcozecchini 0:9fca2b23d0ba 41
marcozecchini 0:9fca2b23d0ba 42 const char* FilePath::fileName(void) {
marcozecchini 0:9fca2b23d0ba 43 return file_name;
marcozecchini 0:9fca2b23d0ba 44 }
marcozecchini 0:9fca2b23d0ba 45
marcozecchini 0:9fca2b23d0ba 46 bool FilePath::isFileSystem(void) {
marcozecchini 0:9fca2b23d0ba 47 if (NULL == fb)
marcozecchini 0:9fca2b23d0ba 48 return false;
marcozecchini 0:9fca2b23d0ba 49 return (fb->getPathType() == FileSystemPathType);
marcozecchini 0:9fca2b23d0ba 50 }
marcozecchini 0:9fca2b23d0ba 51
marcozecchini 0:9fca2b23d0ba 52 FileSystemLike* FilePath::fileSystem(void) {
marcozecchini 0:9fca2b23d0ba 53 if (isFileSystem()) {
marcozecchini 0:9fca2b23d0ba 54 return static_cast<FileSystemLike*>(fb);
marcozecchini 0:9fca2b23d0ba 55 }
marcozecchini 0:9fca2b23d0ba 56 return NULL;
marcozecchini 0:9fca2b23d0ba 57 }
marcozecchini 0:9fca2b23d0ba 58
marcozecchini 0:9fca2b23d0ba 59 bool FilePath::isFile(void) {
marcozecchini 0:9fca2b23d0ba 60 if (NULL == fb)
marcozecchini 0:9fca2b23d0ba 61 return false;
marcozecchini 0:9fca2b23d0ba 62 return (fb->getPathType() == FilePathType);
marcozecchini 0:9fca2b23d0ba 63 }
marcozecchini 0:9fca2b23d0ba 64
marcozecchini 0:9fca2b23d0ba 65 FileLike* FilePath::file(void) {
marcozecchini 0:9fca2b23d0ba 66 if (isFile()) {
marcozecchini 0:9fca2b23d0ba 67 return (FileLike*)fb;
marcozecchini 0:9fca2b23d0ba 68 }
marcozecchini 0:9fca2b23d0ba 69 return NULL;
marcozecchini 0:9fca2b23d0ba 70 }
marcozecchini 0:9fca2b23d0ba 71
marcozecchini 0:9fca2b23d0ba 72 bool FilePath::exists(void) {
marcozecchini 0:9fca2b23d0ba 73 return fb != NULL;
marcozecchini 0:9fca2b23d0ba 74 }
marcozecchini 0:9fca2b23d0ba 75
marcozecchini 0:9fca2b23d0ba 76 } // namespace mbed