Yihui Xiong / mbed-src-nrf51822

customized mbed library sources for nrf51822

Dependents:   Grove_Node Potentiometer BLE_Beacon I2C_Scanner

common/FilePath.cpp@0:700cadd8b708, 2014-11-04 (annotated)

Committer:
yihui
Date:
Tue Nov 04 07:38:53 2014 +0000
Revision:
0:700cadd8b708
customized mbed-src library for nrf51822

Who changed what in which revision?

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yihui 0:700cadd8b708 1 /* mbed Microcontroller Library
yihui 0:700cadd8b708 2 * Copyright (c) 2006-2013 ARM Limited
yihui 0:700cadd8b708 3 *
yihui 0:700cadd8b708 4 * Licensed under the Apache License, Version 2.0 (the "License");
yihui 0:700cadd8b708 5 * you may not use this file except in compliance with the License.
yihui 0:700cadd8b708 6 * You may obtain a copy of the License at
yihui 0:700cadd8b708 7 *
yihui 0:700cadd8b708 8 * http://www.apache.org/licenses/LICENSE-2.0
yihui 0:700cadd8b708 9 *
yihui 0:700cadd8b708 10 * Unless required by applicable law or agreed to in writing, software
yihui 0:700cadd8b708 11 * distributed under the License is distributed on an "AS IS" BASIS,
yihui 0:700cadd8b708 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
yihui 0:700cadd8b708 13 * See the License for the specific language governing permissions and
yihui 0:700cadd8b708 14 * limitations under the License.
yihui 0:700cadd8b708 15 */
yihui 0:700cadd8b708 16 #include "FilePath.h"
yihui 0:700cadd8b708 17
yihui 0:700cadd8b708 18 namespace mbed {
yihui 0:700cadd8b708 19
yihui 0:700cadd8b708 20 FilePath::FilePath(const char* file_path) : file_name(NULL), fb(NULL) {
yihui 0:700cadd8b708 21 if ((file_path[0] != '/') || (file_path[1] == 0)) return;
yihui 0:700cadd8b708 22
yihui 0:700cadd8b708 23 const char* file_system = &file_path[1];
yihui 0:700cadd8b708 24 file_name = file_system;
yihui 0:700cadd8b708 25 int len = 0;
yihui 0:700cadd8b708 26 while (true) {
yihui 0:700cadd8b708 27 char c = *file_name;
yihui 0:700cadd8b708 28 if (c == '/') { // end of object name
yihui 0:700cadd8b708 29 file_name++; // point to one char after the '/'
yihui 0:700cadd8b708 30 break;
yihui 0:700cadd8b708 31 }
yihui 0:700cadd8b708 32 if (c == 0) { // end of object name, with no filename
yihui 0:700cadd8b708 33 break;
yihui 0:700cadd8b708 34 }
yihui 0:700cadd8b708 35 len++;
yihui 0:700cadd8b708 36 file_name++;
yihui 0:700cadd8b708 37 }
yihui 0:700cadd8b708 38
yihui 0:700cadd8b708 39 fb = FileBase::lookup(file_system, len);
yihui 0:700cadd8b708 40 }
yihui 0:700cadd8b708 41
yihui 0:700cadd8b708 42 const char* FilePath::fileName(void) {
yihui 0:700cadd8b708 43 return file_name;
yihui 0:700cadd8b708 44 }
yihui 0:700cadd8b708 45
yihui 0:700cadd8b708 46 bool FilePath::isFileSystem(void) {
yihui 0:700cadd8b708 47 if (NULL == fb)
yihui 0:700cadd8b708 48 return false;
yihui 0:700cadd8b708 49 return (fb->getPathType() == FileSystemPathType);
yihui 0:700cadd8b708 50 }
yihui 0:700cadd8b708 51
yihui 0:700cadd8b708 52 FileSystemLike* FilePath::fileSystem(void) {
yihui 0:700cadd8b708 53 if (isFileSystem()) {
yihui 0:700cadd8b708 54 return (FileSystemLike*)fb;
yihui 0:700cadd8b708 55 }
yihui 0:700cadd8b708 56 return NULL;
yihui 0:700cadd8b708 57 }
yihui 0:700cadd8b708 58
yihui 0:700cadd8b708 59 bool FilePath::isFile(void) {
yihui 0:700cadd8b708 60 if (NULL == fb)
yihui 0:700cadd8b708 61 return false;
yihui 0:700cadd8b708 62 return (fb->getPathType() == FilePathType);
yihui 0:700cadd8b708 63 }
yihui 0:700cadd8b708 64
yihui 0:700cadd8b708 65 FileLike* FilePath::file(void) {
yihui 0:700cadd8b708 66 if (isFile()) {
yihui 0:700cadd8b708 67 return (FileLike*)fb;
yihui 0:700cadd8b708 68 }
yihui 0:700cadd8b708 69 return NULL;
yihui 0:700cadd8b708 70 }
yihui 0:700cadd8b708 71
yihui 0:700cadd8b708 72 bool FilePath::exists(void) {
yihui 0:700cadd8b708 73 return fb != NULL;
yihui 0:700cadd8b708 74 }
yihui 0:700cadd8b708 75
yihui 0:700cadd8b708 76 } // namespace mbed