6120e13d29
- makes it easier to use for local or alternative storage.
Eg,
```
tmp<volScalarField> tfld;
tfld.cref(obj.cfindObject<volScalarField>("name"));
if (!tfld)
{
tfld = volScalarField::New("name", ...);
}
```
101 lines
2.7 KiB
C
101 lines
2.7 KiB
C
/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | www.openfoam.com
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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Copyright (C) 2020-2021 OpenCFD Ltd.
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM, distributed under GPL-3.0-or-later.
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Application
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Test-refPtr
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Description
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Tests some basic functionality of refPtr
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\*---------------------------------------------------------------------------*/
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#include "primitiveFields.H"
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#include "Switch.H"
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using namespace Foam;
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struct myScalarField : public scalarField
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{
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using scalarField::scalarField;
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};
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template<class T>
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void printInfo(const refPtr<T>& item, const bool verbose = false)
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{
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Info<< "refPtr valid:" << Switch::name(item.valid())
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<< " pointer:" << Switch::name(item.is_pointer())
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<< " addr: " << name(item.get())
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<< " movable:" << Switch(item.movable());
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Info<< nl;
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if (verbose && item.valid())
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{
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Info<< "content: " << item() << nl;
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}
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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// Main program:
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int main()
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{
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{
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Info<< nl << "Construct from reference" << nl;
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scalarField f2(10, Foam::sqrt(2.0));
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printInfo(refPtr<scalarField>(f2), true);
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}
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{
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Info<< nl << "Construct from New (is_pointer)" << nl;
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auto tfld1 = refPtr<scalarField>::New(10, scalar(1));
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printInfo(tfld1, true);
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Info<< nl << "Dereferenced: " << *tfld1 << nl;
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Info<< nl << "Construct from autoPtr" << nl;
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refPtr<scalarField> tfld2(autoPtr<scalarField>::New(10, scalar(2)));
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printInfo(tfld2, true);
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Info<< nl << "Construct from unique_ptr" << nl;
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std::unique_ptr<scalarField> ptr(new scalarField(10, scalar(3)));
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refPtr<scalarField> tfld3(std::move(ptr));
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printInfo(tfld3, true);
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Info<< nl << "Reset from autoPtr" << nl;
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tfld2.reset(autoPtr<scalarField>::New(3, scalar(13)));
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printInfo(tfld2, true);
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Info<< nl << "Reset from unique_ptr" << nl;
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ptr.reset(new scalarField(5, scalar(15)));
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tfld3.reset(std::move(ptr));
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printInfo(tfld3, true);
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ptr.reset(new scalarField(2, scalar(1)));
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Info<< nl << "const-ref from pointer: " << name(ptr.get()) << nl;
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tfld3.cref(ptr.get());
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printInfo(tfld3, true);
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}
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Info<< "\nEnd" << endl;
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}
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// ************************************************************************* //
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