The Tor Browser: comparison gfx/2d/StackArray.h

--1:000000000000
+:44cec4bece61
+/* 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 nsAutoTArray */
+template <class T, size_t size>
+class StackArray
+{
+public:
+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;
+};

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