C++ DBObjTableField::Flags方法代码示例

DBObjTableField::DBObjTableField(DBObjTableField &field) : DBObject(field) {
    TypeVAR = field.TypeVAR;
    UnitTypeVAR = field.UnitTypeVAR;
    UnitVAR = field.UnitVAR;
    RequiredVAR = field.RequiredVAR;

    StartByteVAR = field.StartByteVAR;
    LengthVAR = field.LengthVAR;
    strcpy(FormatSTR, field.FormatSTR);
    Flags(field.Flags());
    switch (TypeVAR) {
        case DBTableFieldInt:
            switch (LengthVAR) {
                case sizeof(DBByte):
                    BytePROP = field.BytePROP;
                    break;
                case sizeof(DBShort):
                    ShortPROP = field.ShortPROP;
                    break;
                default:
                    IntPROP = field.IntPROP;
                    break;
            }
            break;
        case DBTableFieldFloat:
            switch (LengthVAR) {
                case sizeof(DBFloat4):
                    Float4PROP = field.Float4PROP;
                    break;
                default:
                    FloatPROP = field.FloatPROP;
                    break;
            }
            break;
        case DBTableFieldDate:
            DatePROP = field.DatePROP;
            break;
        case DBTableFieldTableRec:
        case DBTableFieldDataRec:
            RecordPROP = field.RecordPROP;
            break;
    }
}

static int _DBObjTableListSort(const DBObjRecord **obj0, const DBObjRecord **obj1) {
    DBInt ret = 0;
    DBObjTableField *field;
    DBDate date0, date1;

    for (field = _DBObjTableSortFields->First();
         field != (DBObjTableField *) NULL;
         field = _DBObjTableSortFields->Next()) {
        switch (field->Type()) {
            case DBTableFieldString:
                ret = strcmp(field->String(*obj0), field->String(*obj1));
                break;
            case DBTableFieldInt:
                ret = field->Int(*obj0) - field->Int(*obj1);
                break;
            case DBTableFieldFloat:
                if (field->Float(*obj0) - field->Float(*obj1) > 0.0) ret = 1;
                else if (field->Float(*obj0) - field->Float(*obj1) < 0.0) ret = -1;
                else ret = 0;
                break;
            case DBTableFieldDate:
                date0 = field->Date(*obj0);
                date1 = field->Date(*obj1);
                if (date0 > date1) ret = 1;
                else if (date0 < date1) ret = -1;
                else ret = 0;
                break;
            case DBTableFieldTableRec:
                ret = strcmp((*obj0)->Name(), (*obj1)->Name());
                break;
            case DBTableFieldDataRec:
                ret = (*obj0)->RowID() - (*obj1)->RowID();
                break;
        }
        if ((field->Flags() & DBObjectFlagSortReversed) == DBObjectFlagSortReversed) ret *= -1;
        if (ret != 0) return (ret);
    }
    if (ret == 0) ret = (*obj0)->ListPos() - (*obj1)->ListPos();
    return (ret);
}

DBInt RGlibPointSubbasinHist(DBObjData *pntData, DBObjData *netData, DBObjData *grdData, DBObjData *tblData) {
    DBInt layerID, layerNum = 0, progress = 0, maxProgress;
    DBObjTable *itemTable = grdData->Table(DBrNItems);
    DBObjTable *table = tblData->Table(DBrNItems);
    DBObjTableField *pointIDFLD;
    DBObjTableField *layerIDFLD;
    DBObjTableField *layerNameFLD;
    DBObjTableField *categoryIDFLD;
    DBObjTableField *categoryFLD;
    DBObjTableField *percentFLD;
    DBObjTableField *areaFLD;
    DBObjTableField *cellNumFLD;
    DBVPointIF *pntIF;
    DBNetworkIF *netIF;
    DBObjRecord *pntRec, *itemRec, *tblRec;
    DBObjectLIST<DBObjTableField> *fields;

    _RGlibPointGrdIF = new DBGridIF(grdData);
    for (layerID = 0; layerID < _RGlibPointGrdIF->LayerNum(); ++layerID) {
        _RGlibPointGrdLayerRec = _RGlibPointGrdIF->Layer(layerID);
        if ((_RGlibPointGrdLayerRec->Flags() & DBObjectFlagIdle) != DBObjectFlagIdle) ++layerNum;
    }
    if (layerNum < 1) {
        CMmsgPrint(CMmsgUsrError, "No Layer to Process!");
        delete _RGlibPointGrdIF;
        return (DBFault);
    }
    pntIF = new DBVPointIF(pntData);
    netIF = new DBNetworkIF(netData);

    table->AddField(pointIDFLD = new DBObjTableField("GHAASPointID", DBTableFieldInt, "%8d", sizeof(DBInt)));
    table->AddField(layerIDFLD = new DBObjTableField("LayerID", DBTableFieldInt, "%4d", sizeof(DBShort)));
    table->AddField(layerNameFLD = new DBObjTableField("LayerName", DBTableFieldString, "%s", DBStringLength));
    table->AddField(categoryIDFLD = new DBObjTableField(DBrNCategoryID, DBTableFieldInt, "%2d", sizeof(DBShort)));
    table->AddField(categoryFLD = new DBObjTableField(DBrNCategory, DBTableFieldString, _RGlibPointGrdIF->ValueFormat(),
                                                      DBStringLength));
    table->AddField(cellNumFLD = new DBObjTableField("CellNum", DBTableFieldInt, "%8d", sizeof(DBInt)));
    table->AddField(areaFLD = new DBObjTableField(DBrNArea, DBTableFieldFloat, "%10.1f", sizeof(DBFloat4)));
    table->AddField(percentFLD = new DBObjTableField(DBrNPercent, DBTableFieldFloat, "%6.2f", sizeof(DBFloat4)));

    _RGlibHistogram = (Histogram *) malloc(itemTable->ItemNum() * sizeof(Histogram));
    if (_RGlibHistogram == (Histogram *) NULL) {
        CMmsgPrint(CMmsgAppError, "Memory Allocation Error in: %s %d", __FILE__, __LINE__);
        return (DBFault);
    }
    maxProgress = pntIF->ItemNum() * _RGlibPointGrdIF->LayerNum();
    for (layerID = 0; layerID < _RGlibPointGrdIF->LayerNum(); ++layerID) {
        _RGlibPointGrdLayerRec = _RGlibPointGrdIF->Layer(layerID);
        if ((_RGlibPointGrdLayerRec->Flags() & DBObjectFlagIdle) == DBObjectFlagIdle) continue;
        for (pntRec = pntIF->FirstItem(); pntRec != (DBObjRecord *) NULL; pntRec = pntIF->NextItem()) {
            if (DBPause(progress * 100 / maxProgress)) goto Stop;
            progress++;
            if ((pntRec->Flags() & DBObjectFlagIdle) == DBObjectFlagIdle) continue;
            for (itemRec = itemTable->First(); itemRec != (DBObjRecord *) NULL; itemRec = itemTable->Next())
                _RGlibHistogram[itemRec->RowID()].Initialize();
            netIF->UpStreamSearch(netIF->Cell(pntIF->Coordinate(pntRec)), (DBNetworkACTION) _RGlibSubbasinCategories);
            for (itemRec = itemTable->First(); itemRec != (DBObjRecord *) NULL; itemRec = itemTable->Next())
                if (_RGlibHistogram[itemRec->RowID()].cellNum > 0) {
                    tblRec = table->Add(pntRec->Name());
                    pointIDFLD->Int(tblRec, pntRec->RowID() + 1);
                    layerIDFLD->Int(tblRec, _RGlibPointGrdLayerRec->RowID());
                    layerNameFLD->String(tblRec, _RGlibPointGrdLayerRec->Name());
                    categoryIDFLD->Int(tblRec, itemRec->RowID() + 1);
                    categoryFLD->String(tblRec, itemRec->Name());
                    areaFLD->Float(tblRec, _RGlibHistogram[itemRec->RowID()].area);
                    percentFLD->Float(tblRec, _RGlibHistogram[itemRec->RowID()].area /
                                              netIF->CellBasinArea(netIF->Cell(pntIF->Coordinate(pntRec))) * 100.0);
                    cellNumFLD->Int(tblRec, _RGlibHistogram[itemRec->RowID()].cellNum);
                }
        }
    }
    Stop:
    delete _RGlibPointGrdIF;
    delete netIF;
    delete pntIF;
    free(_RGlibHistogram);

    if (progress == maxProgress) {
        fields = new DBObjectLIST<DBObjTableField>("Field List");
        fields->Add(new DBObjTableField(*pointIDFLD));
        fields->Add(new DBObjTableField(*layerIDFLD));
        fields->Add(areaFLD = new DBObjTableField(*areaFLD));
        areaFLD->Flags(DBObjectFlagSortReversed, DBSet);
        table->ListSort(fields);
        delete fields;
        return (DBSuccess);
    }
    return (DBFault);
}