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mbed library sources

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common/FileBase.cpp@13:0645d8841f51, 2013-08-05 (annotated)

Committer:
bogdanm
Date:
Mon Aug 05 14:12:34 2013 +0300
Revision:
13:0645d8841f51
Parent:
10:3bc89ef62ce7 
Update mbed sources to revision 64

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 13:0645d8841f51 1 /* mbed Microcontroller Library
bogdanm 13:0645d8841f51 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 13:0645d8841f51 3 *
bogdanm 13:0645d8841f51 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 13:0645d8841f51 5 * you may not use this file except in compliance with the License.
bogdanm 13:0645d8841f51 6 * You may obtain a copy of the License at
bogdanm 13:0645d8841f51 7 *
bogdanm 13:0645d8841f51 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 13:0645d8841f51 9 *
bogdanm 13:0645d8841f51 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 13:0645d8841f51 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 13:0645d8841f51 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 13:0645d8841f51 13 * See the License for the specific language governing permissions and
bogdanm 13:0645d8841f51 14 * limitations under the License.
bogdanm 13:0645d8841f51 15 */
bogdanm 13:0645d8841f51 16 #include "FileBase.h"
bogdanm 13:0645d8841f51 17
bogdanm 13:0645d8841f51 18 namespace mbed {
bogdanm 13:0645d8841f51 19
bogdanm 13:0645d8841f51 20 FileBase *FileBase::_head = NULL;
bogdanm 13:0645d8841f51 21
bogdanm 13:0645d8841f51 22 FileBase::FileBase(const char *name, PathType t) {
bogdanm 13:0645d8841f51 23 _name = name;
bogdanm 13:0645d8841f51 24 _path_type = t;
bogdanm 13:0645d8841f51 25
bogdanm 13:0645d8841f51 26 if (name != NULL) {
bogdanm 13:0645d8841f51 27 // put this object at head of the list
bogdanm 13:0645d8841f51 28 _next = _head;
bogdanm 13:0645d8841f51 29 _head = this;
bogdanm 13:0645d8841f51 30 } else {
bogdanm 13:0645d8841f51 31 _next = NULL;
bogdanm 13:0645d8841f51 32 }
bogdanm 13:0645d8841f51 33 }
bogdanm 13:0645d8841f51 34
bogdanm 13:0645d8841f51 35 FileBase::~FileBase() {
bogdanm 13:0645d8841f51 36 if (_name != NULL) {
bogdanm 13:0645d8841f51 37 // remove this object from the list
bogdanm 13:0645d8841f51 38 if (_head == this) { // first in the list, so just drop me
bogdanm 13:0645d8841f51 39 _head = _next;
bogdanm 13:0645d8841f51 40 } else { // find the object before me, then drop me
bogdanm 13:0645d8841f51 41 FileBase *p = _head;
bogdanm 13:0645d8841f51 42 while (p->_next != this) {
bogdanm 13:0645d8841f51 43 p = p->_next;
bogdanm 13:0645d8841f51 44 }
bogdanm 13:0645d8841f51 45 p->_next = _next;
bogdanm 13:0645d8841f51 46 }
bogdanm 13:0645d8841f51 47 }
bogdanm 13:0645d8841f51 48 }
bogdanm 13:0645d8841f51 49
bogdanm 13:0645d8841f51 50 FileBase *FileBase::lookup(const char *name, unsigned int len) {
bogdanm 13:0645d8841f51 51 FileBase *p = _head;
bogdanm 13:0645d8841f51 52 while (p != NULL) {
bogdanm 13:0645d8841f51 53 /* Check that p->_name matches name and is the correct length */
bogdanm 13:0645d8841f51 54 if (p->_name != NULL && std::strncmp(p->_name, name, len) == 0 && std::strlen(p->_name) == len) {
bogdanm 13:0645d8841f51 55 return p;
bogdanm 13:0645d8841f51 56 }
bogdanm 13:0645d8841f51 57 p = p->_next;
bogdanm 13:0645d8841f51 58 }
bogdanm 13:0645d8841f51 59 return NULL;
bogdanm 13:0645d8841f51 60 }
bogdanm 13:0645d8841f51 61
bogdanm 13:0645d8841f51 62 FileBase *FileBase::get(int n) {
bogdanm 13:0645d8841f51 63 FileBase *p = _head;
bogdanm 13:0645d8841f51 64 int m = 0;
bogdanm 13:0645d8841f51 65 while (p != NULL) {
bogdanm 13:0645d8841f51 66 if (m == n) return p;
bogdanm 13:0645d8841f51 67
bogdanm 13:0645d8841f51 68 m++;
bogdanm 13:0645d8841f51 69 p = p->_next;
bogdanm 13:0645d8841f51 70 }
bogdanm 13:0645d8841f51 71 return NULL;
bogdanm 13:0645d8841f51 72 }
bogdanm 13:0645d8841f51 73
bogdanm 13:0645d8841f51 74 const char* FileBase::getName(void) {
bogdanm 13:0645d8841f51 75 return _name;
bogdanm 13:0645d8841f51 76 }
bogdanm 13:0645d8841f51 77
bogdanm 13:0645d8841f51 78 PathType FileBase::getPathType(void) {
bogdanm 13:0645d8841f51 79 return _path_type;
bogdanm 13:0645d8841f51 80 }
bogdanm 13:0645d8841f51 81
bogdanm 13:0645d8841f51 82 } // namespace mbed
bogdanm 13:0645d8841f51 83