C++ dictionary::readIfPresent方法代码示例

bool Foam::functionObjects::systemCall::read(const dictionary& dict)
{
    dict.readIfPresent("executeCalls", executeCalls_);
    dict.readIfPresent("endCalls", endCalls_);
    dict.readIfPresent("writeCalls", writeCalls_);

    if (executeCalls_.empty() && endCalls_.empty() && writeCalls_.empty())
    {
        WarningInFunction
            << "no executeCalls, endCalls or writeCalls defined."
            << endl;
    }
    else if (!dynamicCode::allowSystemOperations)
    {
        FatalErrorInFunction
            << "Executing user-supplied system calls is not enabled by "
            << "default because of " << nl
            << "security issues.  If you trust the case you can enable this "
            << "facility by " << nl
            << "adding to the InfoSwitches setting in the system controlDict:"
            << nl << nl
            << "    allowSystemOperations 1" << nl << nl
            << "The system controlDict is either" << nl << nl
            << "    ~/.OpenFOAM/$WM_PROJECT_VERSION/controlDict" << nl << nl
            << "or" << nl << nl
            << "    $WM_PROJECT_DIR/etc/controlDict" << nl << nl
            << exit(FatalError);
    }

    return true;
}

bool Foam::functionObjects::pressureTools::read(const dictionary& dict)
{
    dict.readIfPresent("pName", pName_);
    dict.readIfPresent("UName", UName_);
    dict.readIfPresent("rhoName", rhoName_);

    if (rhoName_ == "rhoInf")
    {
        dict.lookup("rhoInf") >> rhoInf_;
    }

Foam::patchIdentifier::patchIdentifier
(
    const word& name,
    const dictionary& dict,
    const label index
)
:
    name_(name),
    index_(index)
{
    dict.readIfPresent("physicalType", physicalType_);
    dict.readIfPresent("inGroups", inGroups_);
}

void Foam::fieldValues::cellSource::initialise(const dictionary& dict)
{
    setCellZoneCells();

    if (nCells_ == 0)
    {
        WarningIn
        (
            "Foam::fieldValues::cellSource::initialise(const dictionary&)"
        )
            << type() << " " << name_ << ": "
            << sourceTypeNames_[source_] << "(" << sourceName_ << "):" << nl
            << "    Source has no cells - deactivating" << endl;

        active_ = false;
        return;
    }

    Info<< type() << " " << name_ << ":"
        << sourceTypeNames_[source_] << "(" << sourceName_ << "):" << nl
        << "    total cells  = " << nCells_ << nl
        << "    total volume = " << gSum(filterField(mesh().V()))
        << nl << endl;

    if (dict.readIfPresent("weightField", weightFieldName_))
    {
        Info<< "    weight field = " << weightFieldName_;
    }

    Info<< nl << endl;
}

Foam::
timeVaryingMappedFixedValuePointPatchField<Type>::
timeVaryingMappedFixedValuePointPatchField
(
    const pointPatch& p,
    const DimensionedField<Type, pointMesh>& iF,
    const dictionary& dict
)
:
    fixedValuePointPatchField<Type>(p, iF),
    fieldTableName_(iF.name()),
    setAverage_(readBool(dict.lookup("setAverage"))),
    perturb_(dict.lookupOrDefault("perturb", 1E-5)),
    mapperPtr_(NULL),
    sampleTimes_(0),
    startSampleTime_(-1),
    startSampledValues_(0),
    startAverage_(pTraits<Type>::zero),
    endSampleTime_(-1),
    endSampledValues_(0),
    endAverage_(pTraits<Type>::zero)
{
    dict.readIfPresent("fieldTableName", fieldTableName_);
    updateCoeffs();
}

Foam::sampledPlane::sampledPlane
(
    const word& name,
    const polyMesh& mesh,
    const dictionary& dict
)
:
    sampledSurface(name, mesh, dict),
    cuttingPlane(plane(dict)),
    zoneKey_(keyType::null),
    triangulate_(dict.lookupOrDefault("triangulate", true)),
    needsUpdate_(true)
{
    // Make plane relative to the coordinateSystem (Cartesian)
    // allow lookup from global coordinate systems
    if (dict.found("coordinateSystem"))
    {
        coordinateSystem cs(mesh, dict.subDict("coordinateSystem"));

        point  base = cs.globalPosition(planeDesc().refPoint());
        vector norm = cs.globalVector(planeDesc().normal());

        // Assign the plane description
        static_cast<plane&>(*this) = plane(base, norm);
    }

    dict.readIfPresent("zone", zoneKey_);

    if (debug && zoneKey_.size() && mesh.cellZones().findIndex(zoneKey_) < 0)
    {
        Info<< "cellZone " << zoneKey_
            << " not found - using entire mesh" << endl;
    }
}

freestreamFvPatchField<Type>::freestreamFvPatchField
(
    const fvPatch& p,
    const DimensionedField<Type, volMesh>& iF,
    const dictionary& dict
)
:
    inletOutletFvPatchField<Type>(p, iF)
{
    freestreamValue() = Field<Type>("freestreamValue", dict, p.size());

    if (dict.found("value"))
    {
        fvPatchField<Type>::operator=
        (
            Field<Type>("value", dict, p.size())
        );
    }
    else
    {
        fvPatchField<Type>::operator=(freestreamValue());
    }

    dict.readIfPresent("phi", this->phiName_);
}

timeVaryingMappedFixedValueFvPatchField<Type>::
timeVaryingMappedFixedValueFvPatchField
(
    const fvPatch& p,
    const DimensionedField<Type, volMesh>& iF,
    const dictionary& dict
)
:
    fixedValueFvPatchField<Type>(p, iF),
    fieldTableName_(iF.name()),
    setAverage_(readBool(dict.lookup("setAverage"))),
    perturb_(dict.lookupOrDefault("perturb", 1E-5)),
    referenceCS_(NULL),
    nearestVertex_(0),
    nearestVertexWeight_(0),
    sampleTimes_(0),
    startSampleTime_(-1),
    startSampledValues_(0),
    startAverage_(pTraits<Type>::zero),
    endSampleTime_(-1),
    endSampledValues_(0),
    endAverage_(pTraits<Type>::zero)
{
    dict.readIfPresent("fieldTableName", fieldTableName_);

    if (dict.found("value"))
    {
        fvPatchField<Type>::operator==(Field<Type>("value", dict, p.size()));
    }
    else
    {
        updateCoeffs();
    }
}

Foam::timeVaryingMappedFixedValueFvPatchField<Type>::
timeVaryingMappedFixedValueFvPatchField
(
    const fvPatch& p,
    const DimensionedField<Type, volMesh>& iF,
    const dictionary& dict
)
:
    fixedValueFvPatchField<Type>(p, iF),
    fieldTableName_(iF.name()),
    setAverage_(readBool(dict.lookup("setAverage"))),
    perturb_(dict.lookupOrDefault("perturb", 1e-5)),
    mapMethod_
    (
        dict.lookupOrDefault<word>
        (
            "mapMethod",
            "planarInterpolation"
        )
    ),
    mapperPtr_(NULL),
    sampleTimes_(0),
    startSampleTime_(-1),
    startSampledValues_(0),
    startAverage_(Zero),
    endSampleTime_(-1),
    endSampledValues_(0),
    endAverage_(Zero),
    offset_(Function1<Type>::New("offset", dict))
{
    if
    (
        mapMethod_ != "planarInterpolation"
     && mapMethod_ != "nearest"
    )
    {
        FatalIOErrorInFunction
        (
            dict
        )   << "mapMethod should be one of 'planarInterpolation'"
            << ", 'nearest'" << exit(FatalIOError);
    }


    dict.readIfPresent("fieldTableName", fieldTableName_);

    if (dict.found("value"))
    {
        fvPatchField<Type>::operator==(Field<Type>("value", dict, p.size()));
    }
    else
    {
        // Note: we use evaluate() here to trigger updateCoeffs followed
        //       by re-setting of fvatchfield::updated_ flag. This is
        //       so if first use is in the next time step it retriggers
        //       a new update.
        this->evaluate(Pstream::blocking);
    }
}

bool Foam::fv::option::read(const dictionary& dict)
{
    dict.readIfPresent("active", active_);

    coeffs_ = dict.optionalSubDict(modelType_ + "Coeffs");

    return true;
}

Foam::
timeVaryingMappedFixedValuePointPatchField<Type>::
timeVaryingMappedFixedValuePointPatchField
(
    const pointPatch& p,
    const DimensionedField<Type, pointMesh>& iF,
    const dictionary& dict
)
:
    fixedValuePointPatchField<Type>(p, iF),
    fieldTableName_(iF.name()),
    setAverage_(readBool(dict.lookup("setAverage"))),
    perturb_(dict.lookupOrDefault("perturb", 1e-5)),
    mapMethod_
    (
        dict.lookupOrDefault<word>
        (
            "mapMethod",
            "planarInterpolation"
        )
    ),
    mapperPtr_(NULL),
    sampleTimes_(0),
    startSampleTime_(-1),
    startSampledValues_(0),
    startAverage_(pTraits<Type>::zero),
    endSampleTime_(-1),
    endSampledValues_(0),
    endAverage_(pTraits<Type>::zero),
    offset_()
{
    if (dict.found("offset"))
    {
        offset_ = DataEntry<Type>::New("offset", dict);
    }

    dict.readIfPresent("fieldTableName", fieldTableName_);

    if (dict.found("value"))
    {
        fixedValuePointPatchField<Type>::operator==
        (
            Field<Type>("value", dict, p.size())
        );
    }
    else
    {
        // Note: use evaluate to do updateCoeffs followed by a reset
        //       of the pointPatchField::updated_ flag. This is
        //       so if first use is in the next time step it retriggers
        //       a new update.
        pointPatchField<Type>::evaluate(Pstream::blocking);
    }
}

Foam::surfZoneIdentifier::surfZoneIdentifier
(
    const word& name,
    const dictionary& dict,
    const label index
)
:
    name_(name),
    index_(index)
{
    dict.readIfPresent("geometricType", geometricType_);
}

advectiveFvPatchField<Type>::advectiveFvPatchField
(
    const fvPatch& p,
    const DimensionedField<Type, volMesh>& iF,
    const dictionary& dict
)
:
    mixedFvPatchField<Type>(p, iF),
    phiName_(dict.lookupOrDefault<word>("phi", "phi")),
    rhoName_(dict.lookupOrDefault<word>("rho", "rho")),
    fieldInf_(pTraits<Type>::zero),
    lInf_(0.0),
    inletOutlet_(dict.lookup("inletOutlet")),
    correctSupercritical_(dict.lookup("correctSupercritical"))
{
    if (dict.found("value"))
    {
        fvPatchField<Type>::operator=
        (
            Field<Type>("value", dict, p.size())
        );
    }
    else
    {
        fvPatchField<Type>::operator=(this->patchInternalField());
    }

    this->refValue() = *this;
    this->refGrad() = pTraits<Type>::zero;
    this->valueFraction() = 0.0;

    if (dict.readIfPresent("lInf", lInf_))
    {
        dict.lookup("fieldInf") >> fieldInf_;

        if (lInf_ < 0.0)
        {
            FatalIOErrorIn
            (
                "advectiveFvPatchField<Type>::"
                "advectiveFvPatchField"
                "(const fvPatch&, const Field<Type>&, const dictionary&)",
                dict
            )   << "unphysical lInf specified (lInf < 0)\n"
                << "    on patch " << this->patch().name()
                << " of field " << this->dimensionedInternalField().name()
                << " in file " << this->dimensionedInternalField().objectPath()
                << exit(FatalIOError);
        }
    }

void Foam::abortCalculation::read(const dictionary& dict)
{
    if (dict.found("action"))
    {
        action_ = actionTypeNames_.read(dict.lookup("action"));
    }
    else
    {
        action_ = nextWrite;
    }

    if (dict.readIfPresent("fileName", abortFile_))
    {
        abortFile_.expand();
    }
}

Foam::autoPtr<Foam::polyPatch> Foam::polyPatch::New
(
    const word& name,
    const dictionary& dict,
    const label index,
    const polyBoundaryMesh& bm
)
{
    if (debug)
    {
        Info<< "polyPatch::New(const word&, const dictionary&, const label, "
               "const polyBoundaryMesh&) : constructing polyPatch"
            << endl;
    }

    word patchType(dict.lookup("type"));

    dict.readIfPresent("geometricType", patchType);

    dictionaryConstructorTable::iterator cstrIter =
        dictionaryConstructorTablePtr_->find(patchType);

    if (cstrIter == dictionaryConstructorTablePtr_->end())
    {
        if (!disallowGenericPolyPatch)
        {
            cstrIter = dictionaryConstructorTablePtr_->find("genericPatch");
        }

        if (cstrIter == dictionaryConstructorTablePtr_->end())
        {
            FatalIOErrorIn
            (
                "polyPatch::New(const word&, const dictionary&, "
                "const label, const polyBoundaryMesh&)",
                dict
            )   << "Unknown polyPatch type " << patchType
                << " for patch " << name
                << endl << endl
                << "Valid polyPatch types are :" << endl
                << dictionaryConstructorTablePtr_->toc()
                << exit(FatalIOError);
        }
    }

    return autoPtr<polyPatch>(cstrIter()(name, dict, index, bm));
}