/* * The ManaPlus Client * Copyright (C) 2015-2016 The ManaPlus Developers * * This file is part of The ManaPlus Client. * * This program 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 * any later version. * * This program 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 more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef RESOURCES_MSTACK_H #define RESOURCES_MSTACK_H #include "logger.h" #include "localconsts.h" template<typename T> struct MStack final { explicit MStack(const size_t maxSize) : mStack(new T[maxSize]), mMaxSize(maxSize), mPointer(mStack - 1), mStartPointer(mStack - 1), mEndPointer(mStack + maxSize - 1) { } ~MStack() { delete [] mStack; } A_DELETE_COPY(MStack) T &push() { if (mPointer == mEndPointer) { logger->log("error: max stack size reached"); return *mPointer; } return *(++mPointer); } T &getPop() { mPointer --; return *mPointer; } const T &getPopConst() { mPointer --; return *mPointer; } void pop() { mPointer --; } T &top() const { return *mPointer; } const T &topConst() const { return *mPointer; } void clear() { mPointer = mStack - 1; } bool empty() const { return mPointer == mStartPointer; } T *mStack; size_t mMaxSize; T *mPointer; const T *const mStartPointer; const T *const mEndPointer; }; #endif // RESOURCES_MSTACK_H