Kev Mann / mbed-dev-OS5_10_4

RTC auf true

platform/FilePath.cpp@0:38ceb79fef03, 2018-11-28 (annotated)

Committer:
kevman
Date:
Wed Nov 28 15:10:15 2018 +0000
Revision:
0:38ceb79fef03
RTC modified

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kevman 0:38ceb79fef03 1 /* mbed Microcontroller Library
kevman 0:38ceb79fef03 2 * Copyright (c) 2006-2013 ARM Limited
kevman 0:38ceb79fef03 3 *
kevman 0:38ceb79fef03 4 * Licensed under the Apache License, Version 2.0 (the "License");
kevman 0:38ceb79fef03 5 * you may not use this file except in compliance with the License.
kevman 0:38ceb79fef03 6 * You may obtain a copy of the License at
kevman 0:38ceb79fef03 7 *
kevman 0:38ceb79fef03 8 * http://www.apache.org/licenses/LICENSE-2.0
kevman 0:38ceb79fef03 9 *
kevman 0:38ceb79fef03 10 * Unless required by applicable law or agreed to in writing, software
kevman 0:38ceb79fef03 11 * distributed under the License is distributed on an "AS IS" BASIS,
kevman 0:38ceb79fef03 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
kevman 0:38ceb79fef03 13 * See the License for the specific language governing permissions and
kevman 0:38ceb79fef03 14 * limitations under the License.
kevman 0:38ceb79fef03 15 */
kevman 0:38ceb79fef03 16 #include "platform/FilePath.h"
kevman 0:38ceb79fef03 17
kevman 0:38ceb79fef03 18 namespace mbed {
kevman 0:38ceb79fef03 19
kevman 0:38ceb79fef03 20 FilePath::FilePath(const char *file_path) : file_name(NULL), fb(NULL)
kevman 0:38ceb79fef03 21 {
kevman 0:38ceb79fef03 22 // skip slashes
kevman 0:38ceb79fef03 23 file_path += strspn(file_path, "/");
kevman 0:38ceb79fef03 24
kevman 0:38ceb79fef03 25 const char *file_system = file_path;
kevman 0:38ceb79fef03 26 file_name = file_system;
kevman 0:38ceb79fef03 27 int len = 0;
kevman 0:38ceb79fef03 28 while (true) {
kevman 0:38ceb79fef03 29 char c = *file_name;
kevman 0:38ceb79fef03 30 if (c == '/') { // end of object name
kevman 0:38ceb79fef03 31 file_name++; // point to one char after the '/'
kevman 0:38ceb79fef03 32 break;
kevman 0:38ceb79fef03 33 }
kevman 0:38ceb79fef03 34 if (c == 0) { // end of object name, with no filename
kevman 0:38ceb79fef03 35 break;
kevman 0:38ceb79fef03 36 }
kevman 0:38ceb79fef03 37 len++;
kevman 0:38ceb79fef03 38 file_name++;
kevman 0:38ceb79fef03 39 }
kevman 0:38ceb79fef03 40
kevman 0:38ceb79fef03 41 MBED_ASSERT(len != 0);
kevman 0:38ceb79fef03 42 fb = FileBase::lookup(file_system, len);
kevman 0:38ceb79fef03 43 }
kevman 0:38ceb79fef03 44
kevman 0:38ceb79fef03 45 const char *FilePath::fileName(void)
kevman 0:38ceb79fef03 46 {
kevman 0:38ceb79fef03 47 return file_name;
kevman 0:38ceb79fef03 48 }
kevman 0:38ceb79fef03 49
kevman 0:38ceb79fef03 50 bool FilePath::isFileSystem(void)
kevman 0:38ceb79fef03 51 {
kevman 0:38ceb79fef03 52 if (NULL == fb) {
kevman 0:38ceb79fef03 53 return false;
kevman 0:38ceb79fef03 54 }
kevman 0:38ceb79fef03 55 return (fb->getPathType() == FileSystemPathType);
kevman 0:38ceb79fef03 56 }
kevman 0:38ceb79fef03 57
kevman 0:38ceb79fef03 58 FileSystemLike *FilePath::fileSystem(void)
kevman 0:38ceb79fef03 59 {
kevman 0:38ceb79fef03 60 if (isFileSystem()) {
kevman 0:38ceb79fef03 61 return static_cast<FileSystemLike *>(fb);
kevman 0:38ceb79fef03 62 }
kevman 0:38ceb79fef03 63 return NULL;
kevman 0:38ceb79fef03 64 }
kevman 0:38ceb79fef03 65
kevman 0:38ceb79fef03 66 bool FilePath::isFile(void)
kevman 0:38ceb79fef03 67 {
kevman 0:38ceb79fef03 68 if (NULL == fb) {
kevman 0:38ceb79fef03 69 return false;
kevman 0:38ceb79fef03 70 }
kevman 0:38ceb79fef03 71 return (fb->getPathType() == FilePathType);
kevman 0:38ceb79fef03 72 }
kevman 0:38ceb79fef03 73
kevman 0:38ceb79fef03 74 FileLike *FilePath::file(void)
kevman 0:38ceb79fef03 75 {
kevman 0:38ceb79fef03 76 if (isFile()) {
kevman 0:38ceb79fef03 77 return (FileLike *)fb;
kevman 0:38ceb79fef03 78 }
kevman 0:38ceb79fef03 79 return NULL;
kevman 0:38ceb79fef03 80 }
kevman 0:38ceb79fef03 81
kevman 0:38ceb79fef03 82 bool FilePath::exists(void)
kevman 0:38ceb79fef03 83 {
kevman 0:38ceb79fef03 84 return fb != NULL;
kevman 0:38ceb79fef03 85 }
kevman 0:38ceb79fef03 86
kevman 0:38ceb79fef03 87 } // namespace mbed