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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* A handy class that will allocate data for size*T objects on the stack and
* otherwise allocate them on the heap. It is similar in purpose to AutoTArray
*/
template <class T, size_t size>
class StackArray final {
public:
explicit StackArray(size_t count) {
if (count > size) {
mData = new T[count];
} else {
mData = mStackData;
}
}
~StackArray() {
if (mData != mStackData) {
delete[] mData;
}
}
T& operator[](size_t n) { return mData[n]; }
const T& operator[](size_t n) const { return mData[n]; }
T* data() { return mData; };
private:
T mStackData[size];
T* mData;
};