joey shelton / LED_Demo2

dhgdh

Dependencies:   MAX44000 PWM_Tone_Library nexpaq_mdk

Fork of LED_Demo by joey shelton

mbd_os/hal/common/FilePath.cpp@9:6bb35cef007d, 2016-10-22 (annotated)

Committer:
cyberjoey
Date:
Sat Oct 22 01:31:58 2016 +0000
Revision:
9:6bb35cef007d
Parent:
1:55a6170b404f 
WORKING

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nexpaq 1:55a6170b404f 1 /* mbed Microcontroller Library
nexpaq 1:55a6170b404f 2 * Copyright (c) 2006-2013 ARM Limited
nexpaq 1:55a6170b404f 3 *
nexpaq 1:55a6170b404f 4 * Licensed under the Apache License, Version 2.0 (the "License");
nexpaq 1:55a6170b404f 5 * you may not use this file except in compliance with the License.
nexpaq 1:55a6170b404f 6 * You may obtain a copy of the License at
nexpaq 1:55a6170b404f 7 *
nexpaq 1:55a6170b404f 8 * http://www.apache.org/licenses/LICENSE-2.0
nexpaq 1:55a6170b404f 9 *
nexpaq 1:55a6170b404f 10 * Unless required by applicable law or agreed to in writing, software
nexpaq 1:55a6170b404f 11 * distributed under the License is distributed on an "AS IS" BASIS,
nexpaq 1:55a6170b404f 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
nexpaq 1:55a6170b404f 13 * See the License for the specific language governing permissions and
nexpaq 1:55a6170b404f 14 * limitations under the License.
nexpaq 1:55a6170b404f 15 */
nexpaq 1:55a6170b404f 16 #include "FilePath.h"
nexpaq 1:55a6170b404f 17
nexpaq 1:55a6170b404f 18 namespace mbed {
nexpaq 1:55a6170b404f 19
nexpaq 1:55a6170b404f 20 FilePath::FilePath(const char* file_path) : file_name(NULL), fb(NULL) {
nexpaq 1:55a6170b404f 21 if ((file_path[0] != '/') || (file_path[1] == 0)) return;
nexpaq 1:55a6170b404f 22
nexpaq 1:55a6170b404f 23 const char* file_system = &file_path[1];
nexpaq 1:55a6170b404f 24 file_name = file_system;
nexpaq 1:55a6170b404f 25 int len = 0;
nexpaq 1:55a6170b404f 26 while (true) {
nexpaq 1:55a6170b404f 27 char c = *file_name;
nexpaq 1:55a6170b404f 28 if (c == '/') { // end of object name
nexpaq 1:55a6170b404f 29 file_name++; // point to one char after the '/'
nexpaq 1:55a6170b404f 30 break;
nexpaq 1:55a6170b404f 31 }
nexpaq 1:55a6170b404f 32 if (c == 0) { // end of object name, with no filename
nexpaq 1:55a6170b404f 33 break;
nexpaq 1:55a6170b404f 34 }
nexpaq 1:55a6170b404f 35 len++;
nexpaq 1:55a6170b404f 36 file_name++;
nexpaq 1:55a6170b404f 37 }
nexpaq 1:55a6170b404f 38
nexpaq 1:55a6170b404f 39 fb = FileBase::lookup(file_system, len);
nexpaq 1:55a6170b404f 40 }
nexpaq 1:55a6170b404f 41
nexpaq 1:55a6170b404f 42 const char* FilePath::fileName(void) {
nexpaq 1:55a6170b404f 43 return file_name;
nexpaq 1:55a6170b404f 44 }
nexpaq 1:55a6170b404f 45
nexpaq 1:55a6170b404f 46 bool FilePath::isFileSystem(void) {
nexpaq 1:55a6170b404f 47 if (NULL == fb)
nexpaq 1:55a6170b404f 48 return false;
nexpaq 1:55a6170b404f 49 return (fb->getPathType() == FileSystemPathType);
nexpaq 1:55a6170b404f 50 }
nexpaq 1:55a6170b404f 51
nexpaq 1:55a6170b404f 52 FileSystemLike* FilePath::fileSystem(void) {
nexpaq 1:55a6170b404f 53 if (isFileSystem()) {
nexpaq 1:55a6170b404f 54 return (FileSystemLike*)fb;
nexpaq 1:55a6170b404f 55 }
nexpaq 1:55a6170b404f 56 return NULL;
nexpaq 1:55a6170b404f 57 }
nexpaq 1:55a6170b404f 58
nexpaq 1:55a6170b404f 59 bool FilePath::isFile(void) {
nexpaq 1:55a6170b404f 60 if (NULL == fb)
nexpaq 1:55a6170b404f 61 return false;
nexpaq 1:55a6170b404f 62 return (fb->getPathType() == FilePathType);
nexpaq 1:55a6170b404f 63 }
nexpaq 1:55a6170b404f 64
nexpaq 1:55a6170b404f 65 FileLike* FilePath::file(void) {
nexpaq 1:55a6170b404f 66 if (isFile()) {
nexpaq 1:55a6170b404f 67 return (FileLike*)fb;
nexpaq 1:55a6170b404f 68 }
nexpaq 1:55a6170b404f 69 return NULL;
nexpaq 1:55a6170b404f 70 }
nexpaq 1:55a6170b404f 71
nexpaq 1:55a6170b404f 72 bool FilePath::exists(void) {
nexpaq 1:55a6170b404f 73 return fb != NULL;
nexpaq 1:55a6170b404f 74 }
nexpaq 1:55a6170b404f 75
nexpaq 1:55a6170b404f 76 } // namespace mbed