/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */

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 * This file is part of the LibreOffice project.

 *

 * 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/.

 *

 * This file incorporates work covered by the following license notice:

 *

 *   Licensed to the Apache Software Foundation (ASF) under one or more

 *   contributor license agreements. See the NOTICE file distributed

 *   with this work for additional information regarding copyright

 *   ownership. The ASF licenses this file to you under the Apache

 *   License, Version 2.0 (the "License"); you may not use this file

 *   except in compliance with the License. You may obtain a copy of

 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .

 */

#ifndef INCLUDED_COMPHELPER_FLAGGUARD_HXX

#define INCLUDED_COMPHELPER_FLAGGUARD_HXX

#include <comphelper/scopeguard.hxx>

#include <utility>

namespace comphelper

{

    //= ValueRestorationGuard

    // note: can't store the originalValue in a ValueRestorationGuard member,

    // because it will be used from base class dtor

    template <typename T> struct ValueRestorationGuard_Impl

    {

        T& rVal;

        T const originalValue;

        ValueRestorationGuard_Impl(T& i_valRef)

            : rVal(i_valRef), originalValue(i_valRef) {}

Unexecuted instantiation: comphelper::ValueRestorationGuard_Impl<unsigned char const*>::ValueRestorationGuard_Impl(unsigned char const*&)

comphelper::ValueRestorationGuard_Impl<bool>::ValueRestorationGuard_Impl(bool&)

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38

517k

            : rVal(i_valRef), originalValue(i_valRef) {}

Unexecuted instantiation: comphelper::ValueRestorationGuard_Impl<drawinglayer::primitive2d::StructureTagPrimitive2D const*>::ValueRestorationGuard_Impl(drawinglayer::primitive2d::StructureTagPrimitive2D const*&)

comphelper::ValueRestorationGuard_Impl<long>::ValueRestorationGuard_Impl(long&)

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38

2.72M

            : rVal(i_valRef), originalValue(i_valRef) {}

Unexecuted instantiation: comphelper::ValueRestorationGuard_Impl<unsigned char>::ValueRestorationGuard_Impl(unsigned char&)

        void operator()()

        {

            rVal = originalValue;

        }

Unexecuted instantiation: comphelper::ValueRestorationGuard_Impl<unsigned char const*>::operator()()

comphelper::ValueRestorationGuard_Impl<bool>::operator()()

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40

517k

        {

41

517k

            rVal = originalValue;

42

517k

        }

Unexecuted instantiation: comphelper::ValueRestorationGuard_Impl<drawinglayer::primitive2d::StructureTagPrimitive2D const*>::operator()()

comphelper::ValueRestorationGuard_Impl<long>::operator()()

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Source

40

2.72M

        {

41

2.72M

            rVal = originalValue;

42

2.72M

        }

Unexecuted instantiation: comphelper::ValueRestorationGuard_Impl<unsigned char>::operator()()

    };

    template <typename T>

    class ValueRestorationGuard : public ScopeGuard<ValueRestorationGuard_Impl<T>>

    {

    public:

        ValueRestorationGuard(T& i_valRef)

            : ScopeGuard<ValueRestorationGuard_Impl<T>>(ValueRestorationGuard_Impl(i_valRef))

        {}

        template <typename T1>

        ValueRestorationGuard(T& i_valRef, T1&& i_temporaryValue)

            : ScopeGuard<ValueRestorationGuard_Impl<T>>(ValueRestorationGuard_Impl(i_valRef))

        {

            i_valRef = std::forward<T1>(i_temporaryValue);

        }

comphelper::ValueRestorationGuard<bool>::ValueRestorationGuard<bool>(bool&, bool&&)

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55

517k

            : ScopeGuard<ValueRestorationGuard_Impl<T>>(ValueRestorationGuard_Impl(i_valRef))

56

517k

        {

57

517k

            i_valRef = std::forward<T1>(i_temporaryValue);

58

517k

        }

Unexecuted instantiation: comphelper::ValueRestorationGuard<drawinglayer::primitive2d::StructureTagPrimitive2D const*>::ValueRestorationGuard<drawinglayer::primitive2d::StructureTagPrimitive2D const*>(drawinglayer::primitive2d::StructureTagPrimitive2D const*&, drawinglayer::primitive2d::StructureTagPrimitive2D const*&&)

comphelper::ValueRestorationGuard<long>::ValueRestorationGuard<long>(long&, long&&)

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Source

55

2.72M

            : ScopeGuard<ValueRestorationGuard_Impl<T>>(ValueRestorationGuard_Impl(i_valRef))

56

2.72M

        {

57

2.72M

            i_valRef = std::forward<T1>(i_temporaryValue);

58

2.72M

        }

Unexecuted instantiation: comphelper::ValueRestorationGuard<long>::ValueRestorationGuard<long&>(long&, long&)

Unexecuted instantiation: comphelper::ValueRestorationGuard<unsigned char>::ValueRestorationGuard<TextTypes>(unsigned char&, TextTypes&&)

    };

    typedef ValueRestorationGuard<bool> FlagRestorationGuard;

    //= FlagGuard

    // Guarantees that the flag is true within the scope of the guard, and is set to false after

    // its destruction, regardless of initial flag value

    class FlagGuard : public FlagRestorationGuard

    {

    public:

        // Set flag to false before passing its reference to base class ctor, so that it would be

        // reset back to false in base class dtor

        explicit FlagGuard(bool& i_flagRef)

            : FlagRestorationGuard((i_flagRef = false), true)

        {

        }

    };

} // namespace comphelper

#endif // INCLUDED_COMPHELPER_FLAGGUARD_HXX

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