spinal cord / PokittoLib_

PokittoLib is the library needed for programming the Pokitto DIY game console (www.pokitto.com)

mbed-pokitto/common/FileBase.cpp@5:ea7377f3d1af, 2017-10-11 (annotated)

Committer:
Pokitto
Date:
Wed Oct 11 20:35:27 2017 +0000
Revision:
5:ea7377f3d1af
Fixed PokittoLib. Includes a working custom mbed-src

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Pokitto 5:ea7377f3d1af 1 /* mbed Microcontroller Library
Pokitto 5:ea7377f3d1af 2 * Copyright (c) 2006-2013 ARM Limited
Pokitto 5:ea7377f3d1af 3 *
Pokitto 5:ea7377f3d1af 4 * Licensed under the Apache License, Version 2.0 (the "License");
Pokitto 5:ea7377f3d1af 5 * you may not use this file except in compliance with the License.
Pokitto 5:ea7377f3d1af 6 * You may obtain a copy of the License at
Pokitto 5:ea7377f3d1af 7 *
Pokitto 5:ea7377f3d1af 8 * http://www.apache.org/licenses/LICENSE-2.0
Pokitto 5:ea7377f3d1af 9 *
Pokitto 5:ea7377f3d1af 10 * Unless required by applicable law or agreed to in writing, software
Pokitto 5:ea7377f3d1af 11 * distributed under the License is distributed on an "AS IS" BASIS,
Pokitto 5:ea7377f3d1af 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Pokitto 5:ea7377f3d1af 13 * See the License for the specific language governing permissions and
Pokitto 5:ea7377f3d1af 14 * limitations under the License.
Pokitto 5:ea7377f3d1af 15 */
Pokitto 5:ea7377f3d1af 16 #include "FileBase.h"
Pokitto 5:ea7377f3d1af 17
Pokitto 5:ea7377f3d1af 18 namespace mbed {
Pokitto 5:ea7377f3d1af 19
Pokitto 5:ea7377f3d1af 20 FileBase *FileBase::_head = NULL;
Pokitto 5:ea7377f3d1af 21
Pokitto 5:ea7377f3d1af 22 FileBase::FileBase(const char *name, PathType t) : _next(NULL),
Pokitto 5:ea7377f3d1af 23 _name(name),
Pokitto 5:ea7377f3d1af 24 _path_type(t) {
Pokitto 5:ea7377f3d1af 25 if (name != NULL) {
Pokitto 5:ea7377f3d1af 26 // put this object at head of the list
Pokitto 5:ea7377f3d1af 27 _next = _head;
Pokitto 5:ea7377f3d1af 28 _head = this;
Pokitto 5:ea7377f3d1af 29 } else {
Pokitto 5:ea7377f3d1af 30 _next = NULL;
Pokitto 5:ea7377f3d1af 31 }
Pokitto 5:ea7377f3d1af 32 }
Pokitto 5:ea7377f3d1af 33
Pokitto 5:ea7377f3d1af 34 FileBase::~FileBase() {
Pokitto 5:ea7377f3d1af 35 if (_name != NULL) {
Pokitto 5:ea7377f3d1af 36 // remove this object from the list
Pokitto 5:ea7377f3d1af 37 if (_head == this) { // first in the list, so just drop me
Pokitto 5:ea7377f3d1af 38 _head = _next;
Pokitto 5:ea7377f3d1af 39 } else { // find the object before me, then drop me
Pokitto 5:ea7377f3d1af 40 FileBase *p = _head;
Pokitto 5:ea7377f3d1af 41 while (p->_next != this) {
Pokitto 5:ea7377f3d1af 42 p = p->_next;
Pokitto 5:ea7377f3d1af 43 }
Pokitto 5:ea7377f3d1af 44 p->_next = _next;
Pokitto 5:ea7377f3d1af 45 }
Pokitto 5:ea7377f3d1af 46 }
Pokitto 5:ea7377f3d1af 47 }
Pokitto 5:ea7377f3d1af 48
Pokitto 5:ea7377f3d1af 49 FileBase *FileBase::lookup(const char *name, unsigned int len) {
Pokitto 5:ea7377f3d1af 50 FileBase *p = _head;
Pokitto 5:ea7377f3d1af 51 while (p != NULL) {
Pokitto 5:ea7377f3d1af 52 /* Check that p->_name matches name and is the correct length */
Pokitto 5:ea7377f3d1af 53 if (p->_name != NULL && std::strncmp(p->_name, name, len) == 0 && std::strlen(p->_name) == len) {
Pokitto 5:ea7377f3d1af 54 return p;
Pokitto 5:ea7377f3d1af 55 }
Pokitto 5:ea7377f3d1af 56 p = p->_next;
Pokitto 5:ea7377f3d1af 57 }
Pokitto 5:ea7377f3d1af 58 return NULL;
Pokitto 5:ea7377f3d1af 59 }
Pokitto 5:ea7377f3d1af 60
Pokitto 5:ea7377f3d1af 61 FileBase *FileBase::get(int n) {
Pokitto 5:ea7377f3d1af 62 FileBase *p = _head;
Pokitto 5:ea7377f3d1af 63 int m = 0;
Pokitto 5:ea7377f3d1af 64 while (p != NULL) {
Pokitto 5:ea7377f3d1af 65 if (m == n) return p;
Pokitto 5:ea7377f3d1af 66
Pokitto 5:ea7377f3d1af 67 m++;
Pokitto 5:ea7377f3d1af 68 p = p->_next;
Pokitto 5:ea7377f3d1af 69 }
Pokitto 5:ea7377f3d1af 70 return NULL;
Pokitto 5:ea7377f3d1af 71 }
Pokitto 5:ea7377f3d1af 72
Pokitto 5:ea7377f3d1af 73 const char* FileBase::getName(void) {
Pokitto 5:ea7377f3d1af 74 return _name;
Pokitto 5:ea7377f3d1af 75 }
Pokitto 5:ea7377f3d1af 76
Pokitto 5:ea7377f3d1af 77 PathType FileBase::getPathType(void) {
Pokitto 5:ea7377f3d1af 78 return _path_type;
Pokitto 5:ea7377f3d1af 79 }
Pokitto 5:ea7377f3d1af 80
Pokitto 5:ea7377f3d1af 81 } // namespace mbed
Pokitto 5:ea7377f3d1af 82