RYUICHI NAKAYAMA / mbed-dev

OK

Fork of mbed-dev by mbed official

common/FileBase.cpp@0:9b334a45a8ff, 2015-10-01 (annotated)

Committer:
bogdanm
Date:
Thu Oct 01 15:25:22 2015 +0300
Revision:
0:9b334a45a8ff
Initial commit on mbed-dev



Replaces mbed-src (now inactive)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:9b334a45a8ff 1 /* mbed Microcontroller Library
bogdanm 0:9b334a45a8ff 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 0:9b334a45a8ff 3 *
bogdanm 0:9b334a45a8ff 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 0:9b334a45a8ff 5 * you may not use this file except in compliance with the License.
bogdanm 0:9b334a45a8ff 6 * You may obtain a copy of the License at
bogdanm 0:9b334a45a8ff 7 *
bogdanm 0:9b334a45a8ff 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 0:9b334a45a8ff 9 *
bogdanm 0:9b334a45a8ff 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 0:9b334a45a8ff 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 0:9b334a45a8ff 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 0:9b334a45a8ff 13 * See the License for the specific language governing permissions and
bogdanm 0:9b334a45a8ff 14 * limitations under the License.
bogdanm 0:9b334a45a8ff 15 */
bogdanm 0:9b334a45a8ff 16 #include "FileBase.h"
bogdanm 0:9b334a45a8ff 17
bogdanm 0:9b334a45a8ff 18 namespace mbed {
bogdanm 0:9b334a45a8ff 19
bogdanm 0:9b334a45a8ff 20 FileBase *FileBase::_head = NULL;
bogdanm 0:9b334a45a8ff 21
bogdanm 0:9b334a45a8ff 22 FileBase::FileBase(const char *name, PathType t) : _next(NULL),
bogdanm 0:9b334a45a8ff 23 _name(name),
bogdanm 0:9b334a45a8ff 24 _path_type(t) {
bogdanm 0:9b334a45a8ff 25 if (name != NULL) {
bogdanm 0:9b334a45a8ff 26 // put this object at head of the list
bogdanm 0:9b334a45a8ff 27 _next = _head;
bogdanm 0:9b334a45a8ff 28 _head = this;
bogdanm 0:9b334a45a8ff 29 } else {
bogdanm 0:9b334a45a8ff 30 _next = NULL;
bogdanm 0:9b334a45a8ff 31 }
bogdanm 0:9b334a45a8ff 32 }
bogdanm 0:9b334a45a8ff 33
bogdanm 0:9b334a45a8ff 34 FileBase::~FileBase() {
bogdanm 0:9b334a45a8ff 35 if (_name != NULL) {
bogdanm 0:9b334a45a8ff 36 // remove this object from the list
bogdanm 0:9b334a45a8ff 37 if (_head == this) { // first in the list, so just drop me
bogdanm 0:9b334a45a8ff 38 _head = _next;
bogdanm 0:9b334a45a8ff 39 } else { // find the object before me, then drop me
bogdanm 0:9b334a45a8ff 40 FileBase *p = _head;
bogdanm 0:9b334a45a8ff 41 while (p->_next != this) {
bogdanm 0:9b334a45a8ff 42 p = p->_next;
bogdanm 0:9b334a45a8ff 43 }
bogdanm 0:9b334a45a8ff 44 p->_next = _next;
bogdanm 0:9b334a45a8ff 45 }
bogdanm 0:9b334a45a8ff 46 }
bogdanm 0:9b334a45a8ff 47 }
bogdanm 0:9b334a45a8ff 48
bogdanm 0:9b334a45a8ff 49 FileBase *FileBase::lookup(const char *name, unsigned int len) {
bogdanm 0:9b334a45a8ff 50 FileBase *p = _head;
bogdanm 0:9b334a45a8ff 51 while (p != NULL) {
bogdanm 0:9b334a45a8ff 52 /* Check that p->_name matches name and is the correct length */
bogdanm 0:9b334a45a8ff 53 if (p->_name != NULL && std::strncmp(p->_name, name, len) == 0 && std::strlen(p->_name) == len) {
bogdanm 0:9b334a45a8ff 54 return p;
bogdanm 0:9b334a45a8ff 55 }
bogdanm 0:9b334a45a8ff 56 p = p->_next;
bogdanm 0:9b334a45a8ff 57 }
bogdanm 0:9b334a45a8ff 58 return NULL;
bogdanm 0:9b334a45a8ff 59 }
bogdanm 0:9b334a45a8ff 60
bogdanm 0:9b334a45a8ff 61 FileBase *FileBase::get(int n) {
bogdanm 0:9b334a45a8ff 62 FileBase *p = _head;
bogdanm 0:9b334a45a8ff 63 int m = 0;
bogdanm 0:9b334a45a8ff 64 while (p != NULL) {
bogdanm 0:9b334a45a8ff 65 if (m == n) return p;
bogdanm 0:9b334a45a8ff 66
bogdanm 0:9b334a45a8ff 67 m++;
bogdanm 0:9b334a45a8ff 68 p = p->_next;
bogdanm 0:9b334a45a8ff 69 }
bogdanm 0:9b334a45a8ff 70 return NULL;
bogdanm 0:9b334a45a8ff 71 }
bogdanm 0:9b334a45a8ff 72
bogdanm 0:9b334a45a8ff 73 const char* FileBase::getName(void) {
bogdanm 0:9b334a45a8ff 74 return _name;
bogdanm 0:9b334a45a8ff 75 }
bogdanm 0:9b334a45a8ff 76
bogdanm 0:9b334a45a8ff 77 PathType FileBase::getPathType(void) {
bogdanm 0:9b334a45a8ff 78 return _path_type;
bogdanm 0:9b334a45a8ff 79 }
bogdanm 0:9b334a45a8ff 80
bogdanm 0:9b334a45a8ff 81 } // namespace mbed
bogdanm 0:9b334a45a8ff 82