DongEun Koak / mbed-src

mbed library sources

Dependents:   Freedman_v2 Nucleo_i2c_OLED_BME280_copy

Fork of mbed-src by mbed official

common/FileBase.cpp@10:3bc89ef62ce7, 2013-06-14 (annotated)

Committer:
emilmont
Date:
Fri Jun 14 17:49:17 2013 +0100
Revision:
10:3bc89ef62ce7
Parent:
9:0ce32e54c9a7
Child:
13:0645d8841f51
Unify mbed library sources

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 10:3bc89ef62ce7 1 /* mbed Microcontroller Library
emilmont 10:3bc89ef62ce7 2 * Copyright (c) 2006-2013 ARM Limited
emilmont 10:3bc89ef62ce7 3 *
emilmont 10:3bc89ef62ce7 4 * Licensed under the Apache License, Version 2.0 (the "License");
emilmont 10:3bc89ef62ce7 5 * you may not use this file except in compliance with the License.
emilmont 10:3bc89ef62ce7 6 * You may obtain a copy of the License at
emilmont 10:3bc89ef62ce7 7 *
emilmont 10:3bc89ef62ce7 8 * http://www.apache.org/licenses/LICENSE-2.0
emilmont 10:3bc89ef62ce7 9 *
emilmont 10:3bc89ef62ce7 10 * Unless required by applicable law or agreed to in writing, software
emilmont 10:3bc89ef62ce7 11 * distributed under the License is distributed on an "AS IS" BASIS,
emilmont 10:3bc89ef62ce7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
emilmont 10:3bc89ef62ce7 13 * See the License for the specific language governing permissions and
emilmont 10:3bc89ef62ce7 14 * limitations under the License.
emilmont 10:3bc89ef62ce7 15 */
emilmont 10:3bc89ef62ce7 16 #include "FileBase.h"
emilmont 10:3bc89ef62ce7 17
emilmont 10:3bc89ef62ce7 18 namespace mbed {
emilmont 10:3bc89ef62ce7 19
emilmont 10:3bc89ef62ce7 20 FileBase *FileBase::_head = NULL;
emilmont 10:3bc89ef62ce7 21
emilmont 10:3bc89ef62ce7 22 FileBase::FileBase(const char *name, PathType t) {
emilmont 10:3bc89ef62ce7 23 _name = name;
emilmont 10:3bc89ef62ce7 24 _path_type = t;
emilmont 10:3bc89ef62ce7 25
emilmont 10:3bc89ef62ce7 26 if (name != NULL) {
emilmont 10:3bc89ef62ce7 27 // put this object at head of the list
emilmont 10:3bc89ef62ce7 28 _next = _head;
emilmont 10:3bc89ef62ce7 29 _head = this;
emilmont 10:3bc89ef62ce7 30 } else {
emilmont 10:3bc89ef62ce7 31 _next = NULL;
emilmont 10:3bc89ef62ce7 32 }
emilmont 10:3bc89ef62ce7 33 }
emilmont 10:3bc89ef62ce7 34
emilmont 10:3bc89ef62ce7 35 FileBase::~FileBase() {
emilmont 10:3bc89ef62ce7 36 if (_name != NULL) {
emilmont 10:3bc89ef62ce7 37 // remove this object from the list
emilmont 10:3bc89ef62ce7 38 if (_head == this) { // first in the list, so just drop me
emilmont 10:3bc89ef62ce7 39 _head = _next;
emilmont 10:3bc89ef62ce7 40 } else { // find the object before me, then drop me
emilmont 10:3bc89ef62ce7 41 FileBase *p = _head;
emilmont 10:3bc89ef62ce7 42 while (p->_next != this) {
emilmont 10:3bc89ef62ce7 43 p = p->_next;
emilmont 10:3bc89ef62ce7 44 }
emilmont 10:3bc89ef62ce7 45 p->_next = _next;
emilmont 10:3bc89ef62ce7 46 }
emilmont 10:3bc89ef62ce7 47 }
emilmont 10:3bc89ef62ce7 48 }
emilmont 10:3bc89ef62ce7 49
emilmont 10:3bc89ef62ce7 50 FileBase *FileBase::lookup(const char *name, unsigned int len) {
emilmont 10:3bc89ef62ce7 51 FileBase *p = _head;
emilmont 10:3bc89ef62ce7 52 while (p != NULL) {
emilmont 10:3bc89ef62ce7 53 /* Check that p->_name matches name and is the correct length */
emilmont 10:3bc89ef62ce7 54 if (p->_name != NULL && std::strncmp(p->_name, name, len) == 0 && std::strlen(p->_name) == len) {
emilmont 10:3bc89ef62ce7 55 return p;
emilmont 10:3bc89ef62ce7 56 }
emilmont 10:3bc89ef62ce7 57 p = p->_next;
emilmont 10:3bc89ef62ce7 58 }
emilmont 10:3bc89ef62ce7 59 return NULL;
emilmont 10:3bc89ef62ce7 60 }
emilmont 10:3bc89ef62ce7 61
emilmont 10:3bc89ef62ce7 62 FileBase *FileBase::get(int n) {
emilmont 10:3bc89ef62ce7 63 FileBase *p = _head;
emilmont 10:3bc89ef62ce7 64 int m = 0;
emilmont 10:3bc89ef62ce7 65 while (p != NULL) {
emilmont 10:3bc89ef62ce7 66 if (m == n) return p;
emilmont 10:3bc89ef62ce7 67
emilmont 10:3bc89ef62ce7 68 m++;
emilmont 10:3bc89ef62ce7 69 p = p->_next;
emilmont 10:3bc89ef62ce7 70 }
emilmont 10:3bc89ef62ce7 71 return NULL;
emilmont 10:3bc89ef62ce7 72 }
emilmont 10:3bc89ef62ce7 73
emilmont 10:3bc89ef62ce7 74 const char* FileBase::getName(void) {
emilmont 10:3bc89ef62ce7 75 return _name;
emilmont 10:3bc89ef62ce7 76 }
emilmont 10:3bc89ef62ce7 77
emilmont 10:3bc89ef62ce7 78 PathType FileBase::getPathType(void) {
emilmont 10:3bc89ef62ce7 79 return _path_type;
emilmont 10:3bc89ef62ce7 80 }
emilmont 10:3bc89ef62ce7 81
emilmont 10:3bc89ef62ce7 82 } // namespace mbed
emilmont 10:3bc89ef62ce7 83