ArrayStack.hpp
/* This file is part of Raul.
* Copyright (C) 2007-2009 David Robillard <http://drobilla.net>
*
* Raul is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* Raul 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 General Public License for details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef RAUL_ARRAYSTACK_HPP
#define RAUL_ARRAYSTACK_HPP
#include <algorithm>
#include <cassert>
#include <cstddef>
#include "raul/Array.hpp"
#include "raul/Deletable.hpp"
namespace Raul {
template <class T>
class ArrayStack : public Array<T>
{
public:
explicit ArrayStack(size_t size = 0) : Array<T>(size), _top(0) {}
ArrayStack(size_t size, T initial_value) : Array<T>(size, initial_value), _top(0) {}
ArrayStack(size_t size, const Array<T>& contents) : Array<T>(size, contents), _top(size + 1) {}
~Array() {
delete[] _elems;
}
void alloc(size_t num_elems) {
Array<T>::alloc(num_elems);
_top = 0;
}
void alloc(size_t num_elems, T initial_value) {
Array<T>::alloc(num_elems, initial_value);
_top = 0;
}
void push_back(T n) {
assert(_top < _size);
_elems[_top++] = n;
}
inline size_t size() const { return _size; }
inline T& operator[](size_t i) const { assert(i < _size); return _elems[i]; }
inline T& at(size_t i) const { assert(i < _size); return _elems[i]; }
private:
size_t _top; // Index of empty element following the top element
};
} // namespace Raul
#endif // RAUL_ARRAY_HPP
Raul
Definition: Array.hpp:26
Raul::ArrayStack
An array that can also be used as a stack (with a fixed maximum size).
Definition: ArrayStack.hpp:35
Raul::Array
An array.
Definition: Array.hpp:37