Nicolas Borla / Mbed OS BBR_1Ebene

BBR 1 Ebene

mbed-os/platform/FilePath.cpp@0:fbdae7e6d805, 2018-05-14 (annotated)

Committer:
borlanic
Date:
Mon May 14 11:29:06 2018 +0000
Revision:
0:fbdae7e6d805
BBR

Who changed what in which revision?

UserRevisionLine numberNew contents of line
borlanic 0:fbdae7e6d805 1 /* mbed Microcontroller Library
borlanic 0:fbdae7e6d805 2 * Copyright (c) 2006-2013 ARM Limited
borlanic 0:fbdae7e6d805 3 *
borlanic 0:fbdae7e6d805 4 * Licensed under the Apache License, Version 2.0 (the "License");
borlanic 0:fbdae7e6d805 5 * you may not use this file except in compliance with the License.
borlanic 0:fbdae7e6d805 6 * You may obtain a copy of the License at
borlanic 0:fbdae7e6d805 7 *
borlanic 0:fbdae7e6d805 8 * http://www.apache.org/licenses/LICENSE-2.0
borlanic 0:fbdae7e6d805 9 *
borlanic 0:fbdae7e6d805 10 * Unless required by applicable law or agreed to in writing, software
borlanic 0:fbdae7e6d805 11 * distributed under the License is distributed on an "AS IS" BASIS,
borlanic 0:fbdae7e6d805 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
borlanic 0:fbdae7e6d805 13 * See the License for the specific language governing permissions and
borlanic 0:fbdae7e6d805 14 * limitations under the License.
borlanic 0:fbdae7e6d805 15 */
borlanic 0:fbdae7e6d805 16 #include "platform/FilePath.h"
borlanic 0:fbdae7e6d805 17
borlanic 0:fbdae7e6d805 18 namespace mbed {
borlanic 0:fbdae7e6d805 19
borlanic 0:fbdae7e6d805 20 FilePath::FilePath(const char* file_path) : file_name(NULL), fb(NULL) {
borlanic 0:fbdae7e6d805 21 // skip slashes
borlanic 0:fbdae7e6d805 22 file_path += strspn(file_path, "/");
borlanic 0:fbdae7e6d805 23
borlanic 0:fbdae7e6d805 24 const char* file_system = file_path;
borlanic 0:fbdae7e6d805 25 file_name = file_system;
borlanic 0:fbdae7e6d805 26 int len = 0;
borlanic 0:fbdae7e6d805 27 while (true) {
borlanic 0:fbdae7e6d805 28 char c = *file_name;
borlanic 0:fbdae7e6d805 29 if (c == '/') { // end of object name
borlanic 0:fbdae7e6d805 30 file_name++; // point to one char after the '/'
borlanic 0:fbdae7e6d805 31 break;
borlanic 0:fbdae7e6d805 32 }
borlanic 0:fbdae7e6d805 33 if (c == 0) { // end of object name, with no filename
borlanic 0:fbdae7e6d805 34 break;
borlanic 0:fbdae7e6d805 35 }
borlanic 0:fbdae7e6d805 36 len++;
borlanic 0:fbdae7e6d805 37 file_name++;
borlanic 0:fbdae7e6d805 38 }
borlanic 0:fbdae7e6d805 39
borlanic 0:fbdae7e6d805 40 MBED_ASSERT(len != 0);
borlanic 0:fbdae7e6d805 41 fb = FileBase::lookup(file_system, len);
borlanic 0:fbdae7e6d805 42 }
borlanic 0:fbdae7e6d805 43
borlanic 0:fbdae7e6d805 44 const char* FilePath::fileName(void) {
borlanic 0:fbdae7e6d805 45 return file_name;
borlanic 0:fbdae7e6d805 46 }
borlanic 0:fbdae7e6d805 47
borlanic 0:fbdae7e6d805 48 bool FilePath::isFileSystem(void) {
borlanic 0:fbdae7e6d805 49 if (NULL == fb)
borlanic 0:fbdae7e6d805 50 return false;
borlanic 0:fbdae7e6d805 51 return (fb->getPathType() == FileSystemPathType);
borlanic 0:fbdae7e6d805 52 }
borlanic 0:fbdae7e6d805 53
borlanic 0:fbdae7e6d805 54 FileSystemLike* FilePath::fileSystem(void) {
borlanic 0:fbdae7e6d805 55 if (isFileSystem()) {
borlanic 0:fbdae7e6d805 56 return static_cast<FileSystemLike*>(fb);
borlanic 0:fbdae7e6d805 57 }
borlanic 0:fbdae7e6d805 58 return NULL;
borlanic 0:fbdae7e6d805 59 }
borlanic 0:fbdae7e6d805 60
borlanic 0:fbdae7e6d805 61 bool FilePath::isFile(void) {
borlanic 0:fbdae7e6d805 62 if (NULL == fb)
borlanic 0:fbdae7e6d805 63 return false;
borlanic 0:fbdae7e6d805 64 return (fb->getPathType() == FilePathType);
borlanic 0:fbdae7e6d805 65 }
borlanic 0:fbdae7e6d805 66
borlanic 0:fbdae7e6d805 67 FileLike* FilePath::file(void) {
borlanic 0:fbdae7e6d805 68 if (isFile()) {
borlanic 0:fbdae7e6d805 69 return (FileLike*)fb;
borlanic 0:fbdae7e6d805 70 }
borlanic 0:fbdae7e6d805 71 return NULL;
borlanic 0:fbdae7e6d805 72 }
borlanic 0:fbdae7e6d805 73
borlanic 0:fbdae7e6d805 74 bool FilePath::exists(void) {
borlanic 0:fbdae7e6d805 75 return fb != NULL;
borlanic 0:fbdae7e6d805 76 }
borlanic 0:fbdae7e6d805 77
borlanic 0:fbdae7e6d805 78 } // namespace mbed