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