C++ UList类代码示例

void PostScriptView::ConstProcs (ostream& out) {
    UList* fonts = GetPSFonts();
    int nfonts = Count(fonts);

    out << "/IdrawDict " << (50 + nfonts) << " dict def\n";
    out << "IdrawDict begin\n\n";

    if (nfonts > 0) {
	for (const char** line = reencodeISO; *line != nil; ++line) {
	    out << *line << "\n";
	}

	for (UList* u = fonts->First(); u != fonts->End(); u = u->Next()) {
	    PSFont* font = GetFont(u);

	    // No way to check if the X font's encoding is iso8859-1, so...
	    if (strncmp(font->GetPrintFont(), "Symbol", 6) != 0) {
		out << "/" << font->GetPrintFont() << " reencodeISO def\n";
	    } else {
		out << "/" << font->GetPrintFont() << " dup findfont def\n";
	    }
	}
	out << "\n";
    }

    out << "/none null def\n";
    out << "/numGraphicParameters 17 def\n";
    out << "/stringLimit 65535 def\n\n";
}

void Foam::syncTools::swapBoundaryCellPositions
(
    const polyMesh& mesh,
    const UList<point>& cellData,
    List<point>& neighbourCellData
)
{
    if (cellData.size() != mesh.nCells())
    {
        FatalErrorInFunction
            << "Number of cell values " << cellData.size()
            << " is not equal to the number of cells in the mesh "
            << mesh.nCells() << abort(FatalError);
    }

    const polyBoundaryMesh& patches = mesh.boundaryMesh();

    label nBnd = mesh.nFaces()-mesh.nInternalFaces();

    neighbourCellData.setSize(nBnd);

    forAll(patches, patchI)
    {
        const polyPatch& pp = patches[patchI];
        const labelUList& faceCells = pp.faceCells();
        forAll(faceCells, i)
        {
            label bFaceI = pp.start()+i-mesh.nInternalFaces();
            neighbourCellData[bFaceI] = cellData[faceCells[i]];
        }
    }

Foam::UnsortedMeshedSurface<Face>::UnsortedMeshedSurface
(
    const Xfer< pointField >& pointLst,
    const Xfer< List<Face> >& faceLst,
    const UList<label>& zoneSizes,
    const UList<word>& zoneNames
)
:
    ParentType(pointLst, faceLst)
{
    if (zoneSizes.size())
    {
        if (zoneNames.size())
        {
            setZones(zoneSizes, zoneNames);
        }
        else
        {
            setZones(zoneSizes);
        }
    }
    else
    {
        setOneZone();
    }
}

void Foam::processorLduInterface::receive
(
    const Pstream::commsTypes commsType,
    UList<Type>& f
) const
{
    if (commsType == Pstream::blocking || commsType == Pstream::scheduled)
    {
        IPstream::read
        (
            commsType,
            neighbProcNo(),
            reinterpret_cast<char*>(f.begin()),
            f.byteSize(),
            tag()
        );
    }
    else if (commsType == Pstream::nonBlocking)
    {
        memcpy(f.begin(), receiveBuf_.begin(), f.byteSize());
    }
    else
    {
        FatalErrorIn("processorLduInterface::receive")
            << "Unsupported communications type " << commsType
            << exit(FatalError);
    }
}

bool Foam::UList<T>::operator<(const UList<T>& a) const
{
    for
    (
        const_iterator vi = begin(), ai = a.begin();
        vi < end() && ai < a.end();
        vi++, ai++
    )
    {
        if (*vi < *ai)
        {
            return true;
        }
        else if (*vi > *ai)
        {
            return false;
        }
    }

    if (this->size_ < a.size_)
    {
        return true;
    }
    else
    {
        return false;
    }
}

void Selection::Sort (GraphicView* views) {
/*
 * Note: this doesn't work if there are views in the selection from more than
 * one GraphicViews.
 */
    Iterator i;
    UList* cur;
    UList* newList = new UList;

    views->First(i);

    while (!views->Done(i) && !_ulist->IsEmpty()) {
        cur = _ulist->First();

        while (cur != _ulist->End()) {
            if (views->GetView(i) == View(cur)) {
                _ulist->Remove(cur);
                newList->Append(cur);
                break;
            } else {
                cur = cur->Next();
            }
        }
        views->Next(i);
    }
    if (!_ulist->IsEmpty()) {
        cerr << "warning: selection contained spurious element(s)\n";
    }
    delete _ulist;
    _ulist = newList;
}

void Foam::boundBox::calculate(const UList<point>& points, const bool doReduce)
{
    if (points.empty())
    {
        min_ = Zero;
        max_ = Zero;

        if (doReduce && Pstream::parRun())
        {
            // Use values that get overwritten by reduce minOp, maxOp below
            min_ = point(VGREAT, VGREAT, VGREAT);
            max_ = point(-VGREAT, -VGREAT, -VGREAT);
        }
    }
    else
    {
        min_ = points[0];
        max_ = points[0];


        for (label i = 1; i < points.size(); i++)
        {
            min_ = ::Foam::min(min_, points[i]);
            max_ = ::Foam::max(max_, points[i]);
        }
    }

    // Reduce parallel information
    if (doReduce)
    {
        reduce(min_, minOp<point>());
        reduce(max_, maxOp<point>());
    }
}

void Foam::AMIInterpolation::interpolateToTarget
(
    const UList<Type>& fld,
    const CombineOp& cop,
    List<Type>& result,
    const UList<Type>& defaultValues
) const
{
    if (fld.size() != srcAddress_.size())
    {
        FatalErrorInFunction
            << "Supplied field size is not equal to source patch size" << nl
            << "    source patch   = " << srcAddress_.size() << nl
            << "    target patch   = " << tgtAddress_.size() << nl
            << "    supplied field = " << fld.size()
            << abort(FatalError);
    }

    if (lowWeightCorrection_ > 0)
    {
        if (defaultValues.size() != tgtAddress_.size())
        {
            FatalErrorInFunction
                << "Employing default values when sum of weights falls below "
                << lowWeightCorrection_
                << " but supplied default field size is not equal to target "
                << "patch size" << nl
                << "    default values = " << defaultValues.size() << nl
                << "    target patch   = " << tgtAddress_.size() << nl
                << abort(FatalError);
        }
    }

    result.setSize(tgtAddress_.size());

    if (singlePatchProc_ == -1)
    {
        const mapDistribute& map = srcMapPtr_();

        List<Type> work(fld);
        map.distribute(work);

        forAll(result, facei)
        {
            if (tgtWeightsSum_[facei] < lowWeightCorrection_)
            {
                result[facei] = defaultValues[facei];
            }
            else
            {
                const labelList& faces = tgtAddress_[facei];
                const scalarList& weights = tgtWeights_[facei];

                forAll(faces, i)
                {
                    cop(result[facei], facei, work[faces[i]], weights[i]);
                }
            }
        }
    }

// Construct as the bounding box of the given pointField
Foam::treeBoundBox::treeBoundBox
(
    const UList<point>& points,
    const UList<label>& meshPoints
)
:
    boundBox()
{
    if (points.empty() || meshPoints.empty())
    {
        WarningIn
        (
            "treeBoundBox::treeBoundBox"
            "(const UList<point>&, const UList<label>&)"
        )   << "cannot find bounding box for zero-sized pointField"
            << "returning zero" << endl;

        return;
    }

    min() = points[meshPoints[0]];
    max() = points[meshPoints[0]];

    for (label i = 1; i < meshPoints.size(); i++)
    {
        min() = ::Foam::min(min(), points[meshPoints[i]]);
        max() = ::Foam::max(max(), points[meshPoints[i]]);
    }
}

void Foam::fileFormats::OFSsurfaceFormatCore::writeHeader
(
    Ostream& os,
    const pointField& pointLst,
    const UList<surfZone>& zoneLst
)
{
    // just emit some information until we get a nice IOobject
    IOobject::writeBanner(os)
        << "// OpenFOAM Surface Format - written "
        << clock::dateTime().c_str() << nl
        << "// ~~~~~~~~~~~~~~~~~~~~~~~" << nl << nl
        << "// surfZones:" << nl;


    // treat a single zone as being unzoned
    if (zoneLst.size() <= 1)
    {
        os  << "0" << token::BEGIN_LIST << token::END_LIST << nl << nl;
    }
    else
    {
        os  << zoneLst.size() << nl << token::BEGIN_LIST << incrIndent << nl;

        forAll(zoneLst, zoneI)
        {
            zoneLst[zoneI].writeDict(os);
        }
        os  << decrIndent << token::END_LIST << nl << nl;
    }

scalar sumProd(const UList<scalar>& f1, const UList<scalar>& f2)
{
    if (f1.size() && (f1.size() == f2.size()))
    {
        scalar SumProd = 0.0;
        TFOR_ALL_S_OP_F_OP_F(scalar, SumProd, +=, scalar, f1, *, scalar, f2)
        return SumProd;
    }

static int Count (UList* list) {
    int i = 0;

    for (UList* u = list->First(); u != list->End(); u = u->Next()) {
        ++i;
    }
    return i;
}

void Foam::processorLduInterface::send
(
    const Pstream::commsTypes commsType,
    const UList<Type>& f
) const
{
    label nBytes = f.byteSize();

    if
    (
        commsType == Pstream::commsTypes::blocking
     || commsType == Pstream::commsTypes::scheduled
    )
    {
        OPstream::write
        (
            commsType,
            neighbProcNo(),
            reinterpret_cast<const char*>(f.begin()),
            nBytes,
            tag(),
            comm()
        );
    }
    else if (commsType == Pstream::commsTypes::nonBlocking)
    {
        resizeBuf(receiveBuf_, nBytes);

        IPstream::read
        (
            commsType,
            neighbProcNo(),
            receiveBuf_.begin(),
            nBytes,
            tag(),
            comm()
        );

        resizeBuf(sendBuf_, nBytes);
        memcpy(sendBuf_.begin(), f.begin(), nBytes);

        OPstream::write
        (
            commsType,
            neighbProcNo(),
            sendBuf_.begin(),
            nBytes,
            tag(),
            comm()
        );
    }
    else
    {
        FatalErrorInFunction
            << "Unsupported communications type " << int(commsType)
            << exit(FatalError);
    }
}

static boolean Uncollected (const char* name, UList* fonts) {
    for (UList* u = fonts->First(); u != fonts->End(); u = u->Next()) {
        PSFont* font = (PSFont*) (*u)();

        if (strcmp(font->GetPrintFont(), name) == 0) {
            return false;
        }
    }
    return true;
}

OverlayView* OverlayComp::FindView (Viewer* viewer) {
    if (!_views) return nil;
    for (UList* u = _views->First(); u != _views->End(); u = u->Next()) {
	ComponentView* compview = View(u);
	if (compview->IsA(OVERLAY_VIEW) && 
	    ((OverlayView*)compview)->GetViewer() == viewer) 
	    return (OverlayView*)compview;
    }
    return nil;
}