Takaaki Numai / mbed-dev

inport from local

Dependents:   Hobbyking_Cheetah_0511

platform/FilePath.cpp@0:85b3fd62ea1a, 2020-03-16 (annotated)

Committer:
NYX
Date:
Mon Mar 16 06:35:48 2020 +0000
Revision:
0:85b3fd62ea1a
reinport to mbed;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
NYX 0:85b3fd62ea1a 1 /* mbed Microcontroller Library
NYX 0:85b3fd62ea1a 2 * Copyright (c) 2006-2013 ARM Limited
NYX 0:85b3fd62ea1a 3 *
NYX 0:85b3fd62ea1a 4 * Licensed under the Apache License, Version 2.0 (the "License");
NYX 0:85b3fd62ea1a 5 * you may not use this file except in compliance with the License.
NYX 0:85b3fd62ea1a 6 * You may obtain a copy of the License at
NYX 0:85b3fd62ea1a 7 *
NYX 0:85b3fd62ea1a 8 * http://www.apache.org/licenses/LICENSE-2.0
NYX 0:85b3fd62ea1a 9 *
NYX 0:85b3fd62ea1a 10 * Unless required by applicable law or agreed to in writing, software
NYX 0:85b3fd62ea1a 11 * distributed under the License is distributed on an "AS IS" BASIS,
NYX 0:85b3fd62ea1a 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
NYX 0:85b3fd62ea1a 13 * See the License for the specific language governing permissions and
NYX 0:85b3fd62ea1a 14 * limitations under the License.
NYX 0:85b3fd62ea1a 15 */
NYX 0:85b3fd62ea1a 16 #include "platform/FilePath.h"
NYX 0:85b3fd62ea1a 17
NYX 0:85b3fd62ea1a 18 namespace mbed {
NYX 0:85b3fd62ea1a 19
NYX 0:85b3fd62ea1a 20 FilePath::FilePath(const char* file_path) : file_name(NULL), fb(NULL) {
NYX 0:85b3fd62ea1a 21 if ((file_path[0] != '/') || (file_path[1] == 0)) return;
NYX 0:85b3fd62ea1a 22
NYX 0:85b3fd62ea1a 23 const char* file_system = &file_path[1];
NYX 0:85b3fd62ea1a 24 file_name = file_system;
NYX 0:85b3fd62ea1a 25 int len = 0;
NYX 0:85b3fd62ea1a 26 while (true) {
NYX 0:85b3fd62ea1a 27 char c = *file_name;
NYX 0:85b3fd62ea1a 28 if (c == '/') { // end of object name
NYX 0:85b3fd62ea1a 29 file_name++; // point to one char after the '/'
NYX 0:85b3fd62ea1a 30 break;
NYX 0:85b3fd62ea1a 31 }
NYX 0:85b3fd62ea1a 32 if (c == 0) { // end of object name, with no filename
NYX 0:85b3fd62ea1a 33 break;
NYX 0:85b3fd62ea1a 34 }
NYX 0:85b3fd62ea1a 35 len++;
NYX 0:85b3fd62ea1a 36 file_name++;
NYX 0:85b3fd62ea1a 37 }
NYX 0:85b3fd62ea1a 38
NYX 0:85b3fd62ea1a 39 fb = FileBase::lookup(file_system, len);
NYX 0:85b3fd62ea1a 40 }
NYX 0:85b3fd62ea1a 41
NYX 0:85b3fd62ea1a 42 const char* FilePath::fileName(void) {
NYX 0:85b3fd62ea1a 43 return file_name;
NYX 0:85b3fd62ea1a 44 }
NYX 0:85b3fd62ea1a 45
NYX 0:85b3fd62ea1a 46 bool FilePath::isFileSystem(void) {
NYX 0:85b3fd62ea1a 47 if (NULL == fb)
NYX 0:85b3fd62ea1a 48 return false;
NYX 0:85b3fd62ea1a 49 return (fb->getPathType() == FileSystemPathType);
NYX 0:85b3fd62ea1a 50 }
NYX 0:85b3fd62ea1a 51
NYX 0:85b3fd62ea1a 52 FileSystemLike* FilePath::fileSystem(void) {
NYX 0:85b3fd62ea1a 53 if (isFileSystem()) {
NYX 0:85b3fd62ea1a 54 return static_cast<FileSystemLike*>(fb);
NYX 0:85b3fd62ea1a 55 }
NYX 0:85b3fd62ea1a 56 return NULL;
NYX 0:85b3fd62ea1a 57 }
NYX 0:85b3fd62ea1a 58
NYX 0:85b3fd62ea1a 59 bool FilePath::isFile(void) {
NYX 0:85b3fd62ea1a 60 if (NULL == fb)
NYX 0:85b3fd62ea1a 61 return false;
NYX 0:85b3fd62ea1a 62 return (fb->getPathType() == FilePathType);
NYX 0:85b3fd62ea1a 63 }
NYX 0:85b3fd62ea1a 64
NYX 0:85b3fd62ea1a 65 FileLike* FilePath::file(void) {
NYX 0:85b3fd62ea1a 66 if (isFile()) {
NYX 0:85b3fd62ea1a 67 return (FileLike*)fb;
NYX 0:85b3fd62ea1a 68 }
NYX 0:85b3fd62ea1a 69 return NULL;
NYX 0:85b3fd62ea1a 70 }
NYX 0:85b3fd62ea1a 71
NYX 0:85b3fd62ea1a 72 bool FilePath::exists(void) {
NYX 0:85b3fd62ea1a 73 return fb != NULL;
NYX 0:85b3fd62ea1a 74 }
NYX 0:85b3fd62ea1a 75
NYX 0:85b3fd62ea1a 76 } // namespace mbed