gfx/2d/StackArray.h@6474c204b198 (annotated)
gfx/2d/StackArray.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 4 | |
| michael@0 | 5 | /* A handy class that will allocate data for size*T objects on the stack and |
| michael@0 | 6 | * otherwise allocate them on the heap. It is similar in purpose to nsAutoTArray */ |
| michael@0 | 7 | |
| michael@0 | 8 | template <class T, size_t size> |
| michael@0 | 9 | class StackArray |
| michael@0 | 10 | { |
| michael@0 | 11 | public: |
| michael@0 | 12 | StackArray(size_t count) { |
| michael@0 | 13 | if (count > size) { |
| michael@0 | 14 | mData = new T[count]; |
| michael@0 | 15 | } else { |
| michael@0 | 16 | mData = mStackData; |
| michael@0 | 17 | } |
| michael@0 | 18 | } |
| michael@0 | 19 | ~StackArray() { |
| michael@0 | 20 | if (mData != mStackData) { |
| michael@0 | 21 | delete[] mData; |
| michael@0 | 22 | } |
| michael@0 | 23 | } |
| michael@0 | 24 | T& operator[](size_t n) { return mData[n]; } |
| michael@0 | 25 | const T& operator[](size_t n) const { return mData[n]; } |
| michael@0 | 26 | T* data() { return mData; }; |
| michael@0 | 27 | private: |
| michael@0 | 28 | T mStackData[size]; |
| michael@0 | 29 | T* mData; |
| michael@0 | 30 | }; |
