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+/* This file is part of Raul.
+ * Copyright (C) 2007 Dave 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_ARRAY_H
+#define RAUL_ARRAY_H
+
+#include <cassert>
+#include <cstdlib>
+#include "types.h"
+#include "Deletable.h"
+
+namespace Raul {
+
+
+/** An array.
+ *
+ * Has a stack-like push_back() too, for find_process_order...
+ */
+template <class T>
+class Array : public Deletable
+{
+public:
+ Array(size_t size = 0) : _size(size), _top(0), _elems(NULL) {
+ if (size > 0)
+ _elems = new T[size];
+ }
+
+ Array(size_t size, T initial_value) : _size(size), _top(0), _elems(NULL) {
+ if (size > 0) {
+ _elems = new T[size];
+ for (size_t i=0; i < size; ++i)
+ _elems[i] = initial_value;
+ }
+ }
+
+ Array(size_t size, const Array<T>& contents) : _size(size), _top(size+1) {
+ _elems = new T[size];
+ if (size <= contents.size())
+ memcpy(_elems, contents._elems, size * sizeof(T));
+ else
+ memcpy(_elems, contents._elems, contents.size() * sizeof(T));
+ }
+
+ ~Array() {
+ free();
+ }
+
+ void alloc(size_t num_elems) {
+ assert(num_elems > 0);
+
+ delete[] _elems;
+ _size = num_elems;
+ _top = 0;
+
+ _elems = new T[num_elems];
+ }
+
+ void alloc(size_t num_elems, T initial_value) {
+ assert(num_elems > 0);
+
+ delete[] _elems;
+ _size = num_elems;
+ _top = 0;
+
+ _elems = new T[num_elems];
+ for (size_t i=0; i < _size; ++i)
+ _elems[i] = initial_value;
+ }
+
+ void free() {
+ delete[] _elems;
+ _size = 0;
+ _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 _size;
+ size_t _top; // points to empty element above "top" element
+ T* _elems;
+};
+
+
+} // namespace Raul
+
+#endif // RAUL_ARRAY_H