Morpheus / mbed-hal

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Dependencies:   target-freescale

common/FileBase.cpp@20:06bbf6d2334c, 2016-04-22 (annotated)

Committer:
screamer
Date:
Fri Apr 22 13:40:25 2016 +0100
Revision:
20:06bbf6d2334c
Parent:
0:9c59db1fbc9e 
Update library references

Who changed what in which revision?

UserRevisionLine numberNew contents of line
screamer 0:9c59db1fbc9e 1 /* mbed Microcontroller Library
screamer 0:9c59db1fbc9e 2 * Copyright (c) 2006-2013 ARM Limited
screamer 0:9c59db1fbc9e 3 *
screamer 0:9c59db1fbc9e 4 * Licensed under the Apache License, Version 2.0 (the "License");
screamer 0:9c59db1fbc9e 5 * you may not use this file except in compliance with the License.
screamer 0:9c59db1fbc9e 6 * You may obtain a copy of the License at
screamer 0:9c59db1fbc9e 7 *
screamer 0:9c59db1fbc9e 8 * http://www.apache.org/licenses/LICENSE-2.0
screamer 0:9c59db1fbc9e 9 *
screamer 0:9c59db1fbc9e 10 * Unless required by applicable law or agreed to in writing, software
screamer 0:9c59db1fbc9e 11 * distributed under the License is distributed on an "AS IS" BASIS,
screamer 0:9c59db1fbc9e 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
screamer 0:9c59db1fbc9e 13 * See the License for the specific language governing permissions and
screamer 0:9c59db1fbc9e 14 * limitations under the License.
screamer 0:9c59db1fbc9e 15 */
screamer 0:9c59db1fbc9e 16 #include "FileBase.h"
screamer 0:9c59db1fbc9e 17
screamer 0:9c59db1fbc9e 18 namespace mbed {
screamer 0:9c59db1fbc9e 19
screamer 0:9c59db1fbc9e 20 FileBase *FileBase::_head = NULL;
screamer 0:9c59db1fbc9e 21
screamer 0:9c59db1fbc9e 22 FileBase::FileBase(const char *name, PathType t) : _next(NULL),
screamer 0:9c59db1fbc9e 23 _name(name),
screamer 0:9c59db1fbc9e 24 _path_type(t) {
screamer 0:9c59db1fbc9e 25 if (name != NULL) {
screamer 0:9c59db1fbc9e 26 // put this object at head of the list
screamer 0:9c59db1fbc9e 27 _next = _head;
screamer 0:9c59db1fbc9e 28 _head = this;
screamer 0:9c59db1fbc9e 29 } else {
screamer 0:9c59db1fbc9e 30 _next = NULL;
screamer 0:9c59db1fbc9e 31 }
screamer 0:9c59db1fbc9e 32 }
screamer 0:9c59db1fbc9e 33
screamer 0:9c59db1fbc9e 34 FileBase::~FileBase() {
screamer 0:9c59db1fbc9e 35 if (_name != NULL) {
screamer 0:9c59db1fbc9e 36 // remove this object from the list
screamer 0:9c59db1fbc9e 37 if (_head == this) { // first in the list, so just drop me
screamer 0:9c59db1fbc9e 38 _head = _next;
screamer 0:9c59db1fbc9e 39 } else { // find the object before me, then drop me
screamer 0:9c59db1fbc9e 40 FileBase *p = _head;
screamer 0:9c59db1fbc9e 41 while (p->_next != this) {
screamer 0:9c59db1fbc9e 42 p = p->_next;
screamer 0:9c59db1fbc9e 43 }
screamer 0:9c59db1fbc9e 44 p->_next = _next;
screamer 0:9c59db1fbc9e 45 }
screamer 0:9c59db1fbc9e 46 }
screamer 0:9c59db1fbc9e 47 }
screamer 0:9c59db1fbc9e 48
screamer 0:9c59db1fbc9e 49 FileBase *FileBase::lookup(const char *name, unsigned int len) {
screamer 0:9c59db1fbc9e 50 FileBase *p = _head;
screamer 0:9c59db1fbc9e 51 while (p != NULL) {
screamer 0:9c59db1fbc9e 52 /* Check that p->_name matches name and is the correct length */
screamer 0:9c59db1fbc9e 53 if (p->_name != NULL && std::strncmp(p->_name, name, len) == 0 && std::strlen(p->_name) == len) {
screamer 0:9c59db1fbc9e 54 return p;
screamer 0:9c59db1fbc9e 55 }
screamer 0:9c59db1fbc9e 56 p = p->_next;
screamer 0:9c59db1fbc9e 57 }
screamer 0:9c59db1fbc9e 58 return NULL;
screamer 0:9c59db1fbc9e 59 }
screamer 0:9c59db1fbc9e 60
screamer 0:9c59db1fbc9e 61 FileBase *FileBase::get(int n) {
screamer 0:9c59db1fbc9e 62 FileBase *p = _head;
screamer 0:9c59db1fbc9e 63 int m = 0;
screamer 0:9c59db1fbc9e 64 while (p != NULL) {
screamer 0:9c59db1fbc9e 65 if (m == n) return p;
screamer 0:9c59db1fbc9e 66
screamer 0:9c59db1fbc9e 67 m++;
screamer 0:9c59db1fbc9e 68 p = p->_next;
screamer 0:9c59db1fbc9e 69 }
screamer 0:9c59db1fbc9e 70 return NULL;
screamer 0:9c59db1fbc9e 71 }
screamer 0:9c59db1fbc9e 72
screamer 0:9c59db1fbc9e 73 const char* FileBase::getName(void) {
screamer 0:9c59db1fbc9e 74 return _name;
screamer 0:9c59db1fbc9e 75 }
screamer 0:9c59db1fbc9e 76
screamer 0:9c59db1fbc9e 77 PathType FileBase::getPathType(void) {
screamer 0:9c59db1fbc9e 78 return _path_type;
screamer 0:9c59db1fbc9e 79 }
screamer 0:9c59db1fbc9e 80
screamer 0:9c59db1fbc9e 81 } // namespace mbed
screamer 0:9c59db1fbc9e 82
screamer 0:9c59db1fbc9e 83