Ermanno Brusadin / mbed-src

mbed library sources

common/FileBase.cpp@0:0a673c671a56, 2016-07-27 (annotated)

Committer:
ebrus
Date:
Wed Jul 27 18:35:32 2016 +0000
Revision:
0:0a673c671a56
4

Who changed what in which revision?

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ebrus 0:0a673c671a56 1 /* mbed Microcontroller Library
ebrus 0:0a673c671a56 2 * Copyright (c) 2006-2013 ARM Limited
ebrus 0:0a673c671a56 3 *
ebrus 0:0a673c671a56 4 * Licensed under the Apache License, Version 2.0 (the "License");
ebrus 0:0a673c671a56 5 * you may not use this file except in compliance with the License.
ebrus 0:0a673c671a56 6 * You may obtain a copy of the License at
ebrus 0:0a673c671a56 7 *
ebrus 0:0a673c671a56 8 * http://www.apache.org/licenses/LICENSE-2.0
ebrus 0:0a673c671a56 9 *
ebrus 0:0a673c671a56 10 * Unless required by applicable law or agreed to in writing, software
ebrus 0:0a673c671a56 11 * distributed under the License is distributed on an "AS IS" BASIS,
ebrus 0:0a673c671a56 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ebrus 0:0a673c671a56 13 * See the License for the specific language governing permissions and
ebrus 0:0a673c671a56 14 * limitations under the License.
ebrus 0:0a673c671a56 15 */
ebrus 0:0a673c671a56 16 #include "FileBase.h"
ebrus 0:0a673c671a56 17
ebrus 0:0a673c671a56 18 namespace mbed {
ebrus 0:0a673c671a56 19
ebrus 0:0a673c671a56 20 FileBase *FileBase::_head = NULL;
ebrus 0:0a673c671a56 21
ebrus 0:0a673c671a56 22 FileBase::FileBase(const char *name, PathType t) : _next(NULL),
ebrus 0:0a673c671a56 23 _name(name),
ebrus 0:0a673c671a56 24 _path_type(t) {
ebrus 0:0a673c671a56 25 if (name != NULL) {
ebrus 0:0a673c671a56 26 // put this object at head of the list
ebrus 0:0a673c671a56 27 _next = _head;
ebrus 0:0a673c671a56 28 _head = this;
ebrus 0:0a673c671a56 29 } else {
ebrus 0:0a673c671a56 30 _next = NULL;
ebrus 0:0a673c671a56 31 }
ebrus 0:0a673c671a56 32 }
ebrus 0:0a673c671a56 33
ebrus 0:0a673c671a56 34 FileBase::~FileBase() {
ebrus 0:0a673c671a56 35 if (_name != NULL) {
ebrus 0:0a673c671a56 36 // remove this object from the list
ebrus 0:0a673c671a56 37 if (_head == this) { // first in the list, so just drop me
ebrus 0:0a673c671a56 38 _head = _next;
ebrus 0:0a673c671a56 39 } else { // find the object before me, then drop me
ebrus 0:0a673c671a56 40 FileBase *p = _head;
ebrus 0:0a673c671a56 41 while (p->_next != this) {
ebrus 0:0a673c671a56 42 p = p->_next;
ebrus 0:0a673c671a56 43 }
ebrus 0:0a673c671a56 44 p->_next = _next;
ebrus 0:0a673c671a56 45 }
ebrus 0:0a673c671a56 46 }
ebrus 0:0a673c671a56 47 }
ebrus 0:0a673c671a56 48
ebrus 0:0a673c671a56 49 FileBase *FileBase::lookup(const char *name, unsigned int len) {
ebrus 0:0a673c671a56 50 FileBase *p = _head;
ebrus 0:0a673c671a56 51 while (p != NULL) {
ebrus 0:0a673c671a56 52 /* Check that p->_name matches name and is the correct length */
ebrus 0:0a673c671a56 53 if (p->_name != NULL && std::strncmp(p->_name, name, len) == 0 && std::strlen(p->_name) == len) {
ebrus 0:0a673c671a56 54 return p;
ebrus 0:0a673c671a56 55 }
ebrus 0:0a673c671a56 56 p = p->_next;
ebrus 0:0a673c671a56 57 }
ebrus 0:0a673c671a56 58 return NULL;
ebrus 0:0a673c671a56 59 }
ebrus 0:0a673c671a56 60
ebrus 0:0a673c671a56 61 FileBase *FileBase::get(int n) {
ebrus 0:0a673c671a56 62 FileBase *p = _head;
ebrus 0:0a673c671a56 63 int m = 0;
ebrus 0:0a673c671a56 64 while (p != NULL) {
ebrus 0:0a673c671a56 65 if (m == n) return p;
ebrus 0:0a673c671a56 66
ebrus 0:0a673c671a56 67 m++;
ebrus 0:0a673c671a56 68 p = p->_next;
ebrus 0:0a673c671a56 69 }
ebrus 0:0a673c671a56 70 return NULL;
ebrus 0:0a673c671a56 71 }
ebrus 0:0a673c671a56 72
ebrus 0:0a673c671a56 73 const char* FileBase::getName(void) {
ebrus 0:0a673c671a56 74 return _name;
ebrus 0:0a673c671a56 75 }
ebrus 0:0a673c671a56 76
ebrus 0:0a673c671a56 77 PathType FileBase::getPathType(void) {
ebrus 0:0a673c671a56 78 return _path_type;
ebrus 0:0a673c671a56 79 }
ebrus 0:0a673c671a56 80
ebrus 0:0a673c671a56 81 } // namespace mbed
ebrus 0:0a673c671a56 82