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114 lines (87 loc) · 2.35 KB
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/*
This file is part of the ArduinoBLE library.
Copyright (c) 2018 Arduino SA. All rights reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _BLE_LINKED_LIST_
#define _BLE_LINKED_LIST_
#include <stddef.h>
template<class T> struct BLELinkedListNode
{
T data;
BLELinkedListNode<T>* next;
};
template <typename T> class BLELinkedList {
public:
BLELinkedList();
~BLELinkedList();
void add(T);
T get(unsigned int index) const;
void clear();
unsigned int size() const;
private:
unsigned int _size;
BLELinkedListNode<T>* _root;
BLELinkedListNode<T>* _last;
};
template <typename T> BLELinkedList<T>::BLELinkedList() :
_size(0),
_root(NULL),
_last(NULL)
{
}
template <typename T> BLELinkedList<T>::~BLELinkedList()
{
clear();
}
template <typename T> void BLELinkedList<T>::add(T item)
{
BLELinkedListNode<T>* itemNode = new BLELinkedListNode<T>();
itemNode->data = item;
itemNode->next = NULL;
if (_root == NULL) {
_root = itemNode;
} else {
_last->next = itemNode;
}
_last = itemNode;
_size++;
}
template <typename T> T BLELinkedList<T>::get(unsigned int index) const
{
if (index >= _size) {
return T();
}
BLELinkedListNode<T>* itemNode = _root;
for (unsigned int i = 0; i < index; i++) {
itemNode = itemNode->next;
}
return itemNode->data;
}
template <typename T> void BLELinkedList<T>::clear()
{
BLELinkedListNode<T>* itemNode = _root;
for (unsigned int i = 0; i < _size; i++) {
BLELinkedListNode<T>* n = itemNode;
itemNode = itemNode->next;
delete n;
}
_size = 0;
_root = NULL;
_last = NULL;
}
template <typename T> unsigned int BLELinkedList<T>::size() const
{
return _size;
}
#endif