GCC Code Coverage Report
Directory: src/ Exec Total Coverage
File: src/resources/mstack.h Lines: 15 17 88.2 %
Date: 2021-03-17 Branches: 15 50 30.0 %

Line Branch Exec Source
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/*
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 *  The ManaPlus Client
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 *  Copyright (C) 2015-2019  The ManaPlus Developers
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 *  Copyright (C) 2019-2021  Andrei Karas
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 *
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 *  This file is part of The ManaPlus Client.
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 *
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 *  This program is free software; you can redistribute it and/or modify
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 *  it under the terms of the GNU General Public License as published by
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 *  the Free Software Foundation; either version 2 of the License, or
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 *  any later version.
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 *
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 *  This program is distributed in the hope that it will be useful,
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 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 *  GNU General Public License for more details.
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 */
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#ifndef RESOURCES_MSTACK_H
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#define RESOURCES_MSTACK_H
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#include "logger.h"
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#include "localconsts.h"
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template<typename T>
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struct MStack final
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{
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    constexpr2 explicit MStack(const size_t maxSize) :
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        mStack(new T[maxSize]),
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        mMaxSize(maxSize),
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        mPointer(mStack - 1),
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        mStartPointer(mStack - 1),
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        mEndPointer(mStack + maxSize - 1)
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    {
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    }
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    ~MStack()
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    {
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        delete [] mStack;
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    }
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    A_DELETE_COPY(MStack)
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    T &push()
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    {
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        if (mPointer == mEndPointer)
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        {
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            logger->log("error: max stack size reached");
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            return *mPointer;
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        }
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        return *(++mPointer);
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    }
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    T &getPop()
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    {
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        return *(mPointer--);
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    }
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    const T &getPopConst()
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    {
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        return *(mPointer--);
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    }
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    void pop()
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    {
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        mPointer --;
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    }
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    T &top() const
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    {
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        return *mPointer;
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    }
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    const T &topConst() const
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    {
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        return *mPointer;
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    }
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    void clear()
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    {
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        mPointer = mStack - 1;
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    }
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    bool empty() const
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    {
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        return mPointer == mStartPointer;
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    }
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    T *mStack;
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    size_t mMaxSize;
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    T *mPointer;
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    const T *const mStartPointer;
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    const T *const mEndPointer;
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};
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#endif  // RESOURCES_MSTACK_H