예제 #1
0
Sequence *OGRDODSSequenceLayer::FindSuperSequence( BaseType *poChild )

{
    BaseType *poParent;

    for( poParent = poChild->get_parent(); 
         poParent != NULL; 
         poParent = poParent->get_parent() )
    {
        if( poParent->type() == dods_sequence_c )
        {
            return dynamic_cast<Sequence *>( poParent );
        }
    }

    return NULL;
}
예제 #2
0
OGRFeature *OGRDODSSequenceLayer::GetFeature( GIntBig nFeatureId )

{
/* -------------------------------------------------------------------- */
/*      Ensure we have the dataset.                                     */
/* -------------------------------------------------------------------- */
    if( !ProvideDataDDS() )
        return NULL;

    Sequence *seq = dynamic_cast<Sequence *>(poTargetVar);

/* -------------------------------------------------------------------- */
/*      Figure out what the super and subsequence number this           */
/*      feature will be, and validate it.  If there is not super        */
/*      sequence the feature id is the subsequence number.              */
/* -------------------------------------------------------------------- */
    int iSubSeq = -1;

    if( nFeatureId < 0 || nFeatureId >= nRecordCount )
        return NULL;

    if( poSuperSeq == NULL )
        iSubSeq = nFeatureId;
    else
    {
        int nSeqOffset = 0, iSuperSeq;

        // for now we just scan through till find find out what
        // super sequence this in.  In the long term we need a better (cached)
        // approach that doesn't involve this quadratic cost.
        for( iSuperSeq = 0; 
             iSuperSeq < nSuperSeqCount; 
             iSuperSeq++ )
        {
            if( nSeqOffset + panSubSeqSize[iSuperSeq] > nFeatureId )
            {
                iSubSeq = nFeatureId - nSeqOffset;
                break;
            }
            nSeqOffset += panSubSeqSize[iSuperSeq];
        }

        CPLAssert( iSubSeq != -1 );

        // Make sure we have the right target var ... the one 
        // corresponding to our current super sequence. 
        if( iSuperSeq != iLastSuperSeq )
        {
            iLastSuperSeq = iSuperSeq;
            poTargetVar = poSuperSeq->var_value( iSuperSeq, pszSubSeqPath );
            seq = dynamic_cast<Sequence *>(poTargetVar);
        }
    }

/* -------------------------------------------------------------------- */
/*      Create the feature being read.                                  */
/* -------------------------------------------------------------------- */
    OGRFeature *poFeature;

    poFeature = new OGRFeature( poFeatureDefn );
    poFeature->SetFID( nFeatureId );
    m_nFeaturesRead++;

/* -------------------------------------------------------------------- */
/*      Process all the regular data fields.                            */
/* -------------------------------------------------------------------- */
    int      iField;

    for( iField = 0; iField < poFeatureDefn->GetFieldCount(); iField++ )
    {
        if( papoFields[iField]->pszPathToSequence )
            continue;

        BaseType *poFieldVar = GetFieldValue( papoFields[iField], iSubSeq,
                                              NULL );

        if( poFieldVar == NULL )
            continue;

        switch( poFieldVar->type() )
        {
          case dods_byte_c:
          {
              signed char byVal;
              void *pValPtr = &byVal;
              
              poFieldVar->buf2val( &pValPtr );
              poFeature->SetField( iField, byVal );
          }
          break;

          case dods_int16_c:
          {
              GInt16 nIntVal;
              void *pValPtr = &nIntVal;
              
              poFieldVar->buf2val( &pValPtr );
              poFeature->SetField( iField, nIntVal );
          }
          break;

          case dods_uint16_c:
          {
              GUInt16 nIntVal;
              void *pValPtr = &nIntVal;
              
              poFieldVar->buf2val( &pValPtr );
              poFeature->SetField( iField, nIntVal );
          }
          break;

          case dods_int32_c:
          {
              GInt32 nIntVal;
              void *pValPtr = &nIntVal;
              
              poFieldVar->buf2val( &pValPtr );
              poFeature->SetField( iField, nIntVal );
          }
          break;

          case dods_uint32_c:
          {
              GUInt32 nIntVal;
              void *pValPtr = &nIntVal;
              
              poFieldVar->buf2val( &pValPtr );
              poFeature->SetField( iField, (int) nIntVal );
          }
          break;

          case dods_float32_c:
            poFeature->SetField( iField, 
                                 dynamic_cast<Float32 *>(poFieldVar)->value());
            break;

          case dods_float64_c:
            poFeature->SetField( iField, 
                                 dynamic_cast<Float64 *>(poFieldVar)->value());
            break;

          case dods_str_c:
          case dods_url_c:
          {
              string *poStrVal = NULL;
              poFieldVar->buf2val( (void **) &poStrVal );
              poFeature->SetField( iField, poStrVal->c_str() );
              delete poStrVal;
          }
          break;

          default:
            break;
        }
    }
    
/* -------------------------------------------------------------------- */
/*      Handle data nested in sequences.                                */
/* -------------------------------------------------------------------- */
    for( iField = 0; iField < poFeatureDefn->GetFieldCount(); iField++ )
    {
        OGRDODSFieldDefn *poFD = papoFields[iField];
        const char *pszPathFromSubSeq;

        if( poFD->pszPathToSequence == NULL )
            continue;

        CPLAssert( strlen(poFD->pszPathToSequence) 
                   < strlen(poFD->pszFieldName)-1 );

        if( strstr(poFD->pszFieldName,poFD->pszPathToSequence) != NULL )
            pszPathFromSubSeq = 
                strstr(poFD->pszFieldName,poFD->pszPathToSequence)
                + strlen(poFD->pszPathToSequence) + 1;
        else
            continue;

/* -------------------------------------------------------------------- */
/*      Get the sequence out of which this variable will be collected.  */
/* -------------------------------------------------------------------- */
        BaseType *poFieldVar = seq->var_value( iSubSeq, 
                                               poFD->pszPathToSequence );
        Sequence *poSubSeq;
        int nSubSeqCount;

        if( poFieldVar == NULL )
            continue;

        poSubSeq = dynamic_cast<Sequence *>( poFieldVar );
        if( poSubSeq == NULL )
            continue;

        nSubSeqCount = poSubSeq->number_of_rows();
            
/* -------------------------------------------------------------------- */
/*      Allocate array to put values into.                              */
/* -------------------------------------------------------------------- */
        OGRFieldDefn *poOFD = poFeature->GetFieldDefnRef( iField );
        int *panIntList = NULL;
        double *padfDblList = NULL;
        char **papszStrList = NULL;

        if( poOFD->GetType() == OFTIntegerList )
        {
            panIntList = (int *) CPLCalloc(sizeof(int),nSubSeqCount);
        }
        else if( poOFD->GetType() == OFTRealList )
        {
            padfDblList = (double *) CPLCalloc(sizeof(double),nSubSeqCount);
        }
        else if( poOFD->GetType() == OFTStringList )
        {
            papszStrList = (char **) CPLCalloc(sizeof(char*),nSubSeqCount+1);
        }
        else
            continue;

/* -------------------------------------------------------------------- */
/*      Loop, fetching subsequence values.                              */
/* -------------------------------------------------------------------- */
        int iSubIndex;
        for( iSubIndex = 0; iSubIndex < nSubSeqCount; iSubIndex++ )
        {
            poFieldVar = poSubSeq->var_value( iSubIndex, pszPathFromSubSeq );

            if( poFieldVar == NULL )
                continue;

            switch( poFieldVar->type() )
            {
              case dods_byte_c:
              {
                  signed char byVal;
                  void *pValPtr = &byVal;
                  
                  poFieldVar->buf2val( &pValPtr );
                  panIntList[iSubIndex] = byVal;
              }
              break;
              
              case dods_int16_c:
              {
                  GInt16 nIntVal;
                  void *pValPtr = &nIntVal;
                  
                  poFieldVar->buf2val( &pValPtr );
                  panIntList[iSubIndex] = nIntVal;
              }
              break;
              
              case dods_uint16_c:
              {
                  GUInt16 nIntVal;
                  void *pValPtr = &nIntVal;
                  
                  poFieldVar->buf2val( &pValPtr );
                  panIntList[iSubIndex] = nIntVal;
              }
              break;
              
              case dods_int32_c:
              {
                  GInt32 nIntVal;
                  void *pValPtr = &nIntVal;
                  
                  poFieldVar->buf2val( &pValPtr );
                  panIntList[iSubIndex] = nIntVal;
              }
              break;

              case dods_uint32_c:
              {
                  GUInt32 nIntVal;
                  void *pValPtr = &nIntVal;
              
                  poFieldVar->buf2val( &pValPtr );
                  panIntList[iSubIndex] = nIntVal;
              }
              break;

              case dods_float32_c:
                padfDblList[iSubIndex] = 
                    dynamic_cast<Float32 *>(poFieldVar)->value();
                break;

              case dods_float64_c:
                padfDblList[iSubIndex] = 
                    dynamic_cast<Float64 *>(poFieldVar)->value();
                break;

              case dods_str_c:
              case dods_url_c:
              {
                  string *poStrVal = NULL;
                  poFieldVar->buf2val( (void **) &poStrVal );
                  papszStrList[iSubIndex] = CPLStrdup( poStrVal->c_str() );
                  delete poStrVal;
              }
              break;

              default:
                break;
            }
        }

/* -------------------------------------------------------------------- */
/*      Apply back to feature.                                          */
/* -------------------------------------------------------------------- */
        if( poOFD->GetType() == OFTIntegerList )
        {
            poFeature->SetField( iField, nSubSeqCount, panIntList );
            CPLFree(panIntList);
        }
        else if( poOFD->GetType() == OFTRealList )
        {
            poFeature->SetField( iField, nSubSeqCount, padfDblList );
            CPLFree(padfDblList);
        }
        else if( poOFD->GetType() == OFTStringList )
        {
            poFeature->SetField( iField, papszStrList );
            CSLDestroy( papszStrList );
        }
    }
    
/* ==================================================================== */
/*      Fetch the geometry.                                             */
/* ==================================================================== */
    if( oXField.bValid && oYField.bValid )
    {
        int iXField = poFeature->GetFieldIndex( oXField.pszFieldName );
        int iYField = poFeature->GetFieldIndex( oYField.pszFieldName );
        int iZField = -1;

        if( oZField.bValid )
            iZField = poFeature->GetFieldIndex(oZField.pszFieldName);

/* -------------------------------------------------------------------- */
/*      If we can't find the values in attributes then use the more     */
/*      general mechanism to fetch the value.                           */
/* -------------------------------------------------------------------- */
        
        if( iXField == -1 || iYField == -1 
            || (oZField.bValid && iZField == -1) )
        {
            poFeature->SetGeometryDirectly( 
                new OGRPoint( GetFieldValueAsDouble( &oXField, iSubSeq ),
                              GetFieldValueAsDouble( &oYField, iSubSeq ),
                              GetFieldValueAsDouble( &oZField, iSubSeq ) ) );
        }
/* -------------------------------------------------------------------- */
/*      If the fields are list values, then build a linestring.         */
/* -------------------------------------------------------------------- */
        else if( poFeature->GetFieldDefnRef(iXField)->GetType() == OFTRealList
            && poFeature->GetFieldDefnRef(iYField)->GetType() == OFTRealList )
        {
            const double *padfX, *padfY, *padfZ = NULL;
            int nPointCount, i;
            OGRLineString *poLS = new OGRLineString();
            
            padfX = poFeature->GetFieldAsDoubleList( iXField, &nPointCount );
            padfY = poFeature->GetFieldAsDoubleList( iYField, &nPointCount );
            if( iZField != -1 )
                padfZ = poFeature->GetFieldAsDoubleList(iZField,&nPointCount);

            poLS->setPoints( nPointCount, (double *) padfX, (double *) padfY,
                             (double *) padfZ );

            // Make a pass clearing out NaN or Inf values. 
            for( i = 0; i < nPointCount; i++ )
            {
                double dfX = poLS->getX(i);
                double dfY = poLS->getY(i);
                double dfZ = poLS->getZ(i);
                int bReset = FALSE;

                if( OGRDODSIsDoubleInvalid( &dfX ) )
                {
                    dfX = 0.0;
                    bReset = TRUE;
                }
                if( OGRDODSIsDoubleInvalid( &dfY ) )
                {
                    dfY = 0.0;
                    bReset = TRUE;
                }
                if( OGRDODSIsDoubleInvalid( &dfZ ) )
                {
                    dfZ = 0.0;
                    bReset = TRUE;
                }

                if( bReset )
                    poLS->setPoint( i, dfX, dfY, dfZ );
            }

            poFeature->SetGeometryDirectly( poLS );
        }

/* -------------------------------------------------------------------- */
/*      Otherwise build a point.                                        */
/* -------------------------------------------------------------------- */
        else
        {
            poFeature->SetGeometryDirectly( 
                new OGRPoint( 
                    poFeature->GetFieldAsDouble( iXField ),
                    poFeature->GetFieldAsDouble( iYField ),
                    poFeature->GetFieldAsDouble( iZField ) ) );
        }
    }

    return poFeature;
}
예제 #3
0
Instance MemoryDump::getNextInstance(const QString& component,
									 const Instance& instance,
									 KnowledgeSources src) const
{
	Instance result;
	QString typeString, symbol, offsetString, candidate, arrayIndexString;
	bool okay;
//    quint32 compatibleCnt = 0;

	// A component should have the form (symbol(-offset)?)?symbol(<candidate>)?([index])?
#define SYMBOL "[A-Za-z0-9_]+"
#define NUMBER "\\d+"
	QRegExp re(
				"^\\s*(?:"
					"\\(\\s*"
						"(" SYMBOL ")"
						"(?:"
							"\\s*-\\s*(" SYMBOL ")"
						")?"
					"\\s*\\)"
				")?"
				"\\s*(" SYMBOL ")\\s*"
				"(?:<\\s*(" NUMBER ")\\s*>\\s*)?"
				"((?:\\[\\s*" NUMBER "\\s*\\]\\s*)*)\\s*");
	 
	if (!re.exactMatch(component)) {
		queryError(QString("Could not parse a part of the query string: %1")
		            .arg(component));
    }
	
	// Set variables according to the matching
	typeString = re.cap(1);
	offsetString = re.cap(2).trimmed();
	symbol = re.cap(3);
	candidate = re.cap(4);
	arrayIndexString = re.cap(5).trimmed();

	int candidateIndex = candidate.isEmpty() ? -1 : candidate.toInt();

//	debugmsg(QString("1: %1, 2: %2, 3: %3, 4: %4, 5: %5")
//			 .arg(re.cap(1))
//			 .arg(re.cap(2))
//			 .arg(re.cap(3))
//			 .arg(re.cap(4))
//			 .arg(re.cap(5)));

	// A candidate index of 0 means to ignore the alternative types
	if (candidateIndex == 0)
		src = static_cast<KnowledgeSources>(src|ksNoAltTypes);

	// If the given instance is Null, we interpret this as the first component
	// in the query string and will therefore try to resolve the variable.
	if (!instance.isValid()) {
		 Variable* v = _factory->findVarByName(symbol);

		if (!v)
			queryError(QString("Variable does not exist: %1").arg(symbol));

		if (candidateIndex > 0) {
			if (v->altRefTypeCount() < candidateIndex)
				queryError(QString("Variable \"%1\" does not have a candidate "
								   "with index %2")
							.arg(symbol)
							.arg(candidateIndex));
			result = v->altRefTypeInstance(_vmem, candidateIndex - 1);
		}
		else {
			result = v->toInstance(_vmem, BaseType::trLexical, src);
		}
	}
	else {
		// Dereference any pointers/arrays first
		result = instance.dereference(BaseType::trAnyNonNull);

		// Did we get a null instance?
		if (!(result.type()->type() & StructOrUnion) &&
			(result.isNull() || !result.toPointer()))
			queryError(QString("Member \"%1\" is null")
					   .arg(result.fullName()));
		// We have a instance therefore we resolve the member
		if (!(result.type()->type() & StructOrUnion))
            queryError(QString("Member \"%1\" is not a struct or union")
                        .arg(result.fullName()));

        if (!result.memberExists(symbol))
            queryError(QString("Struct \"%1\" has no member named \"%2\"")
                        .arg(result.typeName())
                        .arg(symbol));

        // Do we have a candidate index?
        if (candidateIndex > 0) {
            if (result.memberCandidatesCount(symbol) < candidateIndex)
                queryError(QString("Member \"%1\" does not have a candidate "
                                   "with index %2")
                            .arg(symbol)
                            .arg(candidateIndex));
            result = result.memberCandidate(symbol, candidateIndex - 1);
        }
        else {
            result = result.member(symbol, BaseType::trLexical, 0, src);
        }
	}

	if (!result.isValid())
		return result;
	
	// Cast the instance if necessary
	if (!typeString.isEmpty()) {
		quint32 offset = 0;
		// Is a offset given?
		if (!offsetString.isEmpty()) {
			// Is the offset given as string or as int?
			offset = offsetString.toUInt(&okay, 10);
			
			if (!okay) {
				// String.
				BaseType* type = getType(typeString);
				
				if (!type ||
					!(type->type() & StructOrUnion))
					queryError(QString("The given type \"%1\" is not a struct "
					            "or union and therefore has no offset")
					            .arg(typeString));
				
				Structured* structd = dynamic_cast<Structured *>(type);
				
				if (!structd->memberExists(offsetString)) {
					queryError(QString("Struct of type \"%1\" has no member "
					            "named \"%2\"")
								.arg(typeString)
								.arg(offsetString));
				}
				else {
					StructuredMember* structdMember =
							structd->member(offsetString);
					offset = structdMember->offset();
				}
			}
		}

		// Get address
		size_t address;
		if (result.type()->type() & (rtPointer))
			address = (size_t)result.toPointer() - offset;
		else
			address = result.address() - offset;
		
		result = getInstanceAt(typeString, address, result.fullNameComponents());
	}
	
	// Add array index
	if (!arrayIndexString.isEmpty()) {
		QRegExp reArrayIndex("\\[\\s*(" NUMBER ")\\s*\\]\\s*");
		QStringList matches;
		int strpos = 0;
		while (strpos < arrayIndexString.size() &&
			   (strpos = arrayIndexString.indexOf(reArrayIndex, strpos)) >= 0)
		{
			matches.append(reArrayIndex.cap(1));
			strpos += reArrayIndex.cap(0).size();
		}

		for (int i = 0; i < matches.count(); ++i) {
			quint32 arrayIndex = matches[i].toUInt(&okay, 10);

			if (okay) {
				// Is the result already an instance list?
				if (result.isList()) {
					InstanceList list(result.toList());
					if (arrayIndex < (quint32)list.size())
						result = list[arrayIndex];
					else
						queryError(QString("Given array index %1 is out of bounds.")
								   .arg(arrayIndex));
				}
				else {
					// Is this a pointer or an array type?
					Instance tmp = result.arrayElem(arrayIndex);
					if (!tmp.isNull())
						result = tmp.dereference(BaseType::trLexical);
					// Manually update the address
					else {
						result.addToAddress(arrayIndex * result.type()->size());
						result.setName(QString("%1[%2]").arg(result.name()).arg(arrayIndex));
					}
				}
			}
			else {
				queryError(QString("Given array index %1 could not be converted "
								   "to a number.")
						   .arg(matches[i]));
			}
		}
		
	}
	// Try to dereference this instance as deep as possible
	return result.dereference(BaseType::trLexicalAndPointers);
}
예제 #4
0
bool OGRDODSGridLayer::ProvideDataDDS()

{
    if( bDataLoaded )
        return poTargetVar != NULL;

    const bool  bResult = OGRDODSLayer::ProvideDataDDS();

    if( !bResult )
        return bResult;

    for( int iArray=0; iArray < nArrayRefCount; iArray++ )
    {
        OGRDODSArrayRef *poRef = paoArrayRefs + iArray;
        BaseType *poTarget = poDataDDS->var( poRef->pszName );

        // Reset ref array pointer to point in DataDDS result.
        if( poTarget->type() == dods_grid_c )
        {
            Grid *poGrid = dynamic_cast<Grid *>( poTarget );
            poRef->poArray = dynamic_cast<Array *>(poGrid->array_var());

            if( iArray == 0 )
                poTargetGrid = poGrid;
        }
        else if( poTarget->type() == dods_array_c )
        {
            poRef->poArray = dynamic_cast<Array *>( poTarget );
        }
        else
        {
            CPLAssert( false );
            return false;
        }

        if( iArray == 0 )
            poTargetArray = poRef->poArray;

        // Allocate appropriate raw data array, and pull out data into it.
        poRef->pRawData = CPLMalloc( poRef->poArray->width() );
        poRef->poArray->buf2val( &(poRef->pRawData) );
    }

    // Setup pointers to each of the map objects.
    if( poTargetGrid != NULL )
    {
        int iMap = 0;
        Grid::Map_iter iterMap;

        for( iterMap = poTargetGrid->map_begin();
             iterMap != poTargetGrid->map_end();
             iterMap++, iMap++ )
        {
            paoDimensions[iMap].poMap = dynamic_cast<Array *>(*iterMap);
            if( paoDimensions[iMap].poMap == NULL )
                return false;
            paoDimensions[iMap].pRawData =
                CPLMalloc( paoDimensions[iMap].poMap->width() );
            paoDimensions[iMap].poMap->buf2val( &(paoDimensions[iMap].pRawData) );
        }
    }

    return bResult;
}
예제 #5
0
OGRDODSGridLayer::OGRDODSGridLayer( OGRDODSDataSource *poDSIn,
                                    const char *pszTargetIn,
                                    AttrTable *poOGRLayerInfoIn ) :
    OGRDODSLayer( poDSIn, pszTargetIn, poOGRLayerInfoIn ),
    poTargetGrid(NULL),
    poTargetArray(NULL),
    nArrayRefCount(0),
    paoArrayRefs(NULL),
    nDimCount(0),
    paoDimensions(NULL),
    nMaxRawIndex(0)
{
/* -------------------------------------------------------------------- */
/*      What is the layer name?                                         */
/* -------------------------------------------------------------------- */
    string oLayerName;
    const char *pszLayerName = pszTargetIn;

    if( poOGRLayerInfo != NULL )
    {
        oLayerName = poOGRLayerInfo->get_attr( "layer_name" );
        if( strlen(oLayerName.c_str()) > 0 )
            pszLayerName = oLayerName.c_str();
    }

    poFeatureDefn = new OGRFeatureDefn( pszLayerName );
    poFeatureDefn->Reference();

/* -------------------------------------------------------------------- */
/*      Fetch the target variable.                                      */
/* -------------------------------------------------------------------- */
    BaseType *poTargVar = poDS->poDDS->var( pszTargetIn );

    if( poTargVar->type() == dods_grid_c )
    {
        poTargetGrid = dynamic_cast<Grid *>( poTargVar );
        poTargetArray = dynamic_cast<Array *>(poTargetGrid->array_var());
    }
    else if( poTargVar->type() == dods_array_c )
    {
        poTargetGrid = NULL;
        poTargetArray = dynamic_cast<Array *>( poTargVar );
    }
    else
    {
        CPLAssert( false );
        return;
    }

/* -------------------------------------------------------------------- */
/*      Count arrays in use.                                            */
/* -------------------------------------------------------------------- */
    AttrTable *poExtraContainers = NULL;
    nArrayRefCount = 1; // primary target.

    if( poOGRLayerInfo != NULL )
        poExtraContainers = poOGRLayerInfo->find_container("extra_containers");

    if( poExtraContainers != NULL )
    {
        AttrTable::Attr_iter dv_i;

        for( dv_i = poExtraContainers->attr_begin();
             dv_i != poExtraContainers->attr_end(); dv_i++ )
        {
            nArrayRefCount++;
        }
    }

/* -------------------------------------------------------------------- */
/*      Collect extra_containers.                                       */
/* -------------------------------------------------------------------- */
    paoArrayRefs = new OGRDODSArrayRef[nArrayRefCount];
    paoArrayRefs[0].pszName = CPLStrdup( pszTargetIn );
    paoArrayRefs[0].poArray = poTargetArray;

    nArrayRefCount = 1;

    if( poExtraContainers != NULL )
    {
        AttrTable::Attr_iter dv_i;

        for( dv_i = poExtraContainers->attr_begin();
             dv_i != poExtraContainers->attr_end(); dv_i++ )
        {
            const char *pszTargetName=poExtraContainers->get_attr(dv_i).c_str();
            BaseType *poExtraTarget = poDS->poDDS->var( pszTargetName );

            if( poExtraTarget == NULL )
            {
                CPLError( CE_Warning, CPLE_AppDefined,
                          "Unable to find extra_container '%s', skipping.",
                          pszTargetName );
                continue;
            }

            if( poExtraTarget->type() == dods_array_c )
                paoArrayRefs[nArrayRefCount].poArray =
                    dynamic_cast<Array *>( poExtraTarget );
            else if( poExtraTarget->type() == dods_grid_c )
            {
                Grid *poGrid = dynamic_cast<Grid *>( poExtraTarget );
                paoArrayRefs[nArrayRefCount].poArray =
                    dynamic_cast<Array *>( poGrid->array_var() );
            }
            else
            {
                CPLError( CE_Warning, CPLE_AppDefined,
                          "Target container '%s' is not grid or array, skipping.",
                          pszTargetName );
                continue;
            }

            paoArrayRefs[nArrayRefCount++].pszName = CPLStrdup(pszTargetName);
        }
    }

/* -------------------------------------------------------------------- */
/*      Collect dimension information.                                  */
/* -------------------------------------------------------------------- */
    int iDim;
    Array::Dim_iter iterDim;

    nDimCount = poTargetArray->dimensions();
    paoDimensions = new OGRDODSDim[nDimCount];
    nMaxRawIndex = 1;

    for( iterDim = poTargetArray->dim_begin(), iDim = 0;
         iterDim != poTargetArray->dim_end();
         iterDim++, iDim++ )
    {
        paoDimensions[iDim].pszDimName =
            CPLStrdup(poTargetArray->dimension_name(iterDim).c_str());
        paoDimensions[iDim].nDimStart =
            poTargetArray->dimension_start(iterDim);
        paoDimensions[iDim].nDimEnd =
            poTargetArray->dimension_stop(iterDim);
        paoDimensions[iDim].nDimStride =
            poTargetArray->dimension_stride(iterDim);
        paoDimensions[iDim].poMap = NULL;

        paoDimensions[iDim].nDimEntries =
            (paoDimensions[iDim].nDimEnd + 1 - paoDimensions[iDim].nDimStart
             + paoDimensions[iDim].nDimStride - 1)
            / paoDimensions[iDim].nDimStride;

        nMaxRawIndex *= paoDimensions[iDim].nDimEntries;
    }

/* -------------------------------------------------------------------- */
/*      If we are working with a grid, collect the maps.                */
/* -------------------------------------------------------------------- */
    if( poTargetGrid != NULL )
    {
        int iMap;
        Grid::Map_iter iterMap;

        for( iterMap = poTargetGrid->map_begin(), iMap = 0;
             iterMap != poTargetGrid->map_end();
             iterMap++, iMap++ )
        {
            paoDimensions[iMap].poMap = dynamic_cast<Array *>(*iterMap);
        }

        CPLAssert( iMap == nDimCount );
    }

/* -------------------------------------------------------------------- */
/*      Setup field definitions.  The first nDimCount will be the       */
/*      dimension attributes, and after that comes the actual target    */
/*      array.                                                          */
/* -------------------------------------------------------------------- */
    for( iDim = 0; iDim < nDimCount; iDim++ )
    {
        OGRFieldDefn oField( paoDimensions[iDim].pszDimName, OFTInteger );

        if( EQUAL(oField.GetNameRef(), poTargetArray->name().c_str()) )
            oField.SetName(CPLSPrintf("%s_i",paoDimensions[iDim].pszDimName));

        if( paoDimensions[iDim].poMap != NULL )
        {
            switch( paoDimensions[iDim].poMap->var()->type() )
            {
              case dods_byte_c:
              case dods_int16_c:
              case dods_uint16_c:
              case dods_int32_c:
              case dods_uint32_c:
                oField.SetType( OFTInteger );
                break;

              case dods_float32_c:
              case dods_float64_c:
                oField.SetType( OFTReal );
                break;

              case dods_str_c:
              case dods_url_c:
                oField.SetType( OFTString );
                break;

              default:
                // Ignore
                break;
            }
        }

        poFeatureDefn->AddFieldDefn( &oField );
    }

/* -------------------------------------------------------------------- */
/*      Setup the array attributes themselves.                          */
/* -------------------------------------------------------------------- */
    int iArray;
    for( iArray=0; iArray < nArrayRefCount; iArray++ )
    {
        OGRDODSArrayRef *poRef = paoArrayRefs + iArray;
        OGRFieldDefn oArrayField( poRef->poArray->name().c_str(), OFTInteger );

        switch( poRef->poArray->var()->type() )
        {
          case dods_byte_c:
          case dods_int16_c:
          case dods_uint16_c:
          case dods_int32_c:
          case dods_uint32_c:
            oArrayField.SetType( OFTInteger );
            break;

          case dods_float32_c:
          case dods_float64_c:
            oArrayField.SetType( OFTReal );
            break;

          case dods_str_c:
          case dods_url_c:
            oArrayField.SetType( OFTString );
            break;

          default:
            // Ignore
            break;
        }

        poFeatureDefn->AddFieldDefn( &oArrayField );
        poRef->iFieldIndex = poFeatureDefn->GetFieldCount() - 1;
    }

/* -------------------------------------------------------------------- */
/*      X/Y/Z fields.                                                   */
/* -------------------------------------------------------------------- */
    if( poOGRLayerInfo != NULL )
    {
        AttrTable *poField = poOGRLayerInfo->find_container("x_field");
        if( poField != NULL )
        {
            oXField.Initialize( poField );
            oXField.iFieldIndex =
                poFeatureDefn->GetFieldIndex( oXField.pszFieldName );
        }

        poField = poOGRLayerInfo->find_container("y_field");
        if( poField != NULL )
        {
            oYField.Initialize( poField );
            oYField.iFieldIndex =
                poFeatureDefn->GetFieldIndex( oYField.pszFieldName );
        }

        poField = poOGRLayerInfo->find_container("z_field");
        if( poField != NULL )
        {
            oZField.Initialize( poField );
            oZField.iFieldIndex =
                poFeatureDefn->GetFieldIndex( oZField.pszFieldName );
        }
    }

/* -------------------------------------------------------------------- */
/*      If we have no layerinfo, then check if there are obvious x/y    */
/*      fields.                                                         */
/* -------------------------------------------------------------------- */
    else
    {
        if( poFeatureDefn->GetFieldIndex( "lat" ) != -1
            && poFeatureDefn->GetFieldIndex( "lon" ) != -1 )
        {
            oXField.Initialize( "lon", "dds" );
            oXField.iFieldIndex = poFeatureDefn->GetFieldIndex( "lon" );
            oYField.Initialize( "lat", "dds" );
            oYField.iFieldIndex = poFeatureDefn->GetFieldIndex( "lat" );
        }
        else if( poFeatureDefn->GetFieldIndex( "latitude" ) != -1
                 && poFeatureDefn->GetFieldIndex( "longitude" ) != -1 )
        {
            oXField.Initialize( "longitude", "dds" );
            oXField.iFieldIndex = poFeatureDefn->GetFieldIndex( "longitude" );
            oYField.Initialize( "latitude", "dds" );
            oYField.iFieldIndex = poFeatureDefn->GetFieldIndex( "latitude" );
        }
    }

/* -------------------------------------------------------------------- */
/*      Set the layer geometry type if we have point inputs.            */
/* -------------------------------------------------------------------- */
    if( oZField.iFieldIndex >= 0 )
        poFeatureDefn->SetGeomType( wkbPoint25D );
    else if( oXField.iFieldIndex >= 0 && oYField.iFieldIndex >= 0 )
        poFeatureDefn->SetGeomType( wkbPoint );
    else
        poFeatureDefn->SetGeomType( wkbNone );
}
예제 #6
0
int OGRDODSDataSource::Open( const char * pszNewName )

{
    CPLAssert( nLayers == 0 );

    pszName = CPLStrdup( pszNewName );

    /* -------------------------------------------------------------------- */
    /*      Parse the URL into a base url, projection and constraint        */
    /*      expression.                                                     */
    /* -------------------------------------------------------------------- */
    char *pszWrkURL = CPLStrdup( pszNewName + 5 );
    char *pszFound;

    pszFound = strstr(pszWrkURL,"&");
    if( pszFound )
    {
        oConstraints = pszFound;
        *pszFound = '\0';
    }

    pszFound = strstr(pszWrkURL,"?");
    if( pszFound )
    {
        oProjection = pszFound+1;
        *pszFound = '\0';
    }

    // Trim common requests.
    int nLen = strlen(pszWrkURL);
    if( strcmp(pszWrkURL+nLen-4,".das") == 0 )
        pszWrkURL[nLen-4] = '\0';
    else if( strcmp(pszWrkURL+nLen-4,".dds") == 0 )
        pszWrkURL[nLen-4] = '\0';
    else if( strcmp(pszWrkURL+nLen-4,".asc") == 0 )
        pszWrkURL[nLen-4] = '\0';
    else if( strcmp(pszWrkURL+nLen-5,".dods") == 0 )
        pszWrkURL[nLen-5] = '\0';
    else if( strcmp(pszWrkURL+nLen-5,".html") == 0 )
        pszWrkURL[nLen-5] = '\0';

    oBaseURL = pszWrkURL;
    CPLFree( pszWrkURL );

    /* -------------------------------------------------------------------- */
    /*      Do we want to override the .dodsrc file setting?  Only do       */
    /*      the putenv() if there isn't already a DODS_CONF in the          */
    /*      environment.                                                    */
    /* -------------------------------------------------------------------- */
    if( CPLGetConfigOption( "DODS_CONF", NULL ) != NULL
            && getenv("DODS_CONF") == NULL )
    {
        static char szDODS_CONF[1000];

        sprintf( szDODS_CONF, "DODS_CONF=%.980s",
                 CPLGetConfigOption( "DODS_CONF", "" ) );
        putenv( szDODS_CONF );
    }

    /* -------------------------------------------------------------------- */
    /*      If we have a overridding AIS file location, apply it now.       */
    /* -------------------------------------------------------------------- */
    if( CPLGetConfigOption( "DODS_AIS_FILE", NULL ) != NULL )
    {
        string oAISFile = CPLGetConfigOption( "DODS_AIS_FILE", "" );
        RCReader::instance()->set_ais_database( oAISFile );
    }

    /* -------------------------------------------------------------------- */
    /*      Connect to the server.                                          */
    /* -------------------------------------------------------------------- */
    string version;

    try
    {
        poConnection = new AISConnect( oBaseURL );
        version = poConnection->request_version();
    }
    catch (Error &e)
    {
        CPLError(CE_Failure, CPLE_OpenFailed,
                 "%s", e.get_error_message().c_str() );
        return FALSE;
    }

    /* -------------------------------------------------------------------- */
    /*      We presume we only work with version 3 servers.                 */
    /* -------------------------------------------------------------------- */

    if (version.empty() || version.find("/3.") == string::npos)
    {
        CPLError( CE_Warning, CPLE_AppDefined,
                  "I connected to the URL but could not get a DAP 3.x version string\n"
                  "from the server.  I will continue to connect but access may fail.");
    }

    /* -------------------------------------------------------------------- */
    /*      Fetch the DAS and DDS info about the server.                    */
    /* -------------------------------------------------------------------- */
    try
    {
        poConnection->request_das( oDAS );
        poConnection->request_dds( *poDDS, oProjection + oConstraints );
    }
    catch (Error &e)
    {
        CPLError(CE_Failure, CPLE_AppDefined,
                 "Error fetching DAS or DDS:\n%s",
                 e.get_error_message().c_str() );
        return FALSE;
    }

    /* -------------------------------------------------------------------- */
    /*      Do we have any ogr_layer_info attributes in the DAS?  If so,    */
    /*      use them to define the layers.                                  */
    /* -------------------------------------------------------------------- */
    AttrTable::Attr_iter dv_i;

#ifdef LIBDAP_39
    AttrTable* poTable = oDAS.container();
    if (poTable == NULL)
    {
        CPLError(CE_Failure, CPLE_AppDefined, "Cannot get container");
        return FALSE;
    }
#else
    AttrTable* poTable = &oDAS;
#endif

    for( dv_i = poTable->attr_begin(); dv_i != poTable->attr_end(); dv_i++ )
    {
        if( EQUALN(poTable->get_name(dv_i).c_str(),"ogr_layer_info",14)
                && poTable->is_container( dv_i ) )
        {
            AttrTable *poAttr = poTable->get_attr_table( dv_i );
            string target_container = poAttr->get_attr( "target_container" );
            BaseType *poVar = poDDS->var( target_container.c_str() );

            if( poVar == NULL )
            {
                CPLError( CE_Warning, CPLE_AppDefined,
                          "Unable to find variable '%s' named in\n"
                          "ogr_layer_info.target_container, skipping.",
                          target_container.c_str() );
                continue;
            }

            if( poVar->type() == dods_sequence_c )
                AddLayer(
                    new OGRDODSSequenceLayer(this,
                                             target_container.c_str(),
                                             poAttr) );
            else if( poVar->type() == dods_grid_c
                     || poVar->type() == dods_array_c )
                AddLayer( new OGRDODSGridLayer(this,target_container.c_str(),
                                               poAttr) );
        }
    }

    /* -------------------------------------------------------------------- */
    /*      Walk through the DODS variables looking for easily targetted    */
    /*      ones.  Eventually this will need to be driven by the AIS info.  */
    /* -------------------------------------------------------------------- */
    if( nLayers == 0 )
    {
        DDS::Vars_iter v_i;

        for( v_i = poDDS->var_begin(); v_i != poDDS->var_end(); v_i++ )
        {
            BaseType *poVar = *v_i;

            if( poVar->type() == dods_sequence_c )
                AddLayer( new OGRDODSSequenceLayer(this,poVar->name().c_str(),
                                                   NULL) );
            else if( poVar->type() == dods_grid_c
                     || poVar->type() == dods_array_c )
                AddLayer( new OGRDODSGridLayer(this,poVar->name().c_str(),
                                               NULL) );
        }
    }

    return TRUE;
}
예제 #7
0
void KernelSymbolWriter::write()
{
    operationStarted();

    // Update the time stamp if the symbols have changed
    if (_factory->changeClock() != _specs->createdChangeClock) {
        _specs->created = QDateTime::currentDateTime();
        _specs->createdChangeClock = _factory->changeClock();
    }

    // Disable compression by default
    qint16 flags = 0; // kSym::flagCompressed;

    // First, write the header information to the uncompressed device
    KernelSymbolStream out(_to);
//    out.setKSymVersion(kSym::VERSION_11);

#ifdef WRITE_ASCII_FILE
    QFile debugOutFile("/tmp/insight.log");
    debugOutFile.open(QIODevice::WriteOnly);
    QTextStream dout(&debugOutFile);
#endif

    // Write the file header in the following format:
    // 1. (qint32) magic number
    // 2. (qint16) file version number
    // 3. (qint16) flags (currently unused)
    // 4. (qint32) Qt's serialization format version (see QDataStream::Version)

    out << (qint32) kSym::fileMagic
        << (qint16) out.kSymVersion()
        << (qint16) flags
        << (qint32) out.version();
#ifdef WRITE_ASCII_FILE
    dout << QString::fromAscii((char*)(&kSym::fileMagic), sizeof(kSym::fileMagic))
         << " " << kSym::fileVersion  << " 0x" << hex << flags
         << dec << " " << out.version() << endl;
#endif

    // Write all information from SymFactory in the following format:
    // 1.   (MemSpecs) data of _specs
    // 2.a  (qint32) number of compile units
    // 2.b  (CompileUnit) data of 1st compile unit
    // 2.c  (CompileUnit) data of 2nd compile unit
    // 2.d  ...
    // 3.a  (qint32) number of types
    // 3.b  (qint32) type (RealType casted to qint32)
    // 3.c  (subclass of BaseType) data of type
    // 3.d  (qint32) type (RealType casted to qint32)
    // 3.e  (subclass of BaseType) data of type
    // 3.f  ...
    // 4.a  (qint32) number of id-mappings for types
    // 4.b  (qint32) 1st source id
    // 4.c  (qint32) 1st target id
    // 4.d  (qint32) 2nd source id
    // 4.e  (qint32) 2nd target id
    // 4.f  ...
    // 5.a  (qint32) number of variables
    // 5.b  (Variable) data of variable
    // 5.c  (Variable) data of variable
    // 5.d  ...
    // 6.a  (qint32) number of ref. types with alternative types
    // 6.b  (qint32) 1st id of ref. type with alternatives
    // 6.c  (qint32) number of type alternatives
    // 6.d  (AltRefType) 1st alternative
    // 6.e  (AltRefType) 2nd alternative
    // 6.f  (AltRefType) ...
    // 6.g  (qint32) 2st id of ref. type with alternatives
    // 6.h  (qint32) number of type alternatives
    // 6.i  (AltRefType) 1st alternative
    // 6.j  (AltRefType) 2nd alternative
    // 6.k  (AltRefType) ...
    // 6.l  ...
    // 7.a  (qint32) number of struct members with alternative types
    // 7.b  (qint32) 1st id of struct member with alternatives
    // 7.c  (qint32) id of belonging struct
    // 7.d  (qint32) number of type alternatives
    // 7.e  (AltRefType) 1st alternative
    // 7.f  (AltRefType) 2nd alternative
    // 7.g  (AltRefType) ...
    // 7.h  (qint32) 2st id of struct member with alternatives
    // 7.i  (qint32) id of belonging struct
    // 7.j  (qint32) number of type alternatives
    // 7.k  (AltRefType) 1st alternative
    // 7.l  (AltRefType) 2nd alternative
    // 7.m  (AltRefType) ...
    // 7.l  ...
    // 8.a  (qint32) number of variable with alternative types
    // 8.b  (qint32) 1st id of variable with alternatives
    // 8.c  (qint32) number of type alternatives
    // 8.d  (AltRefType) 1st alternative
    // 8.e  (AltRefType) 2nd alternative
    // 8.f  (AltRefType) ...
    // 8.g  (qint32) 2st id of variable with alternatives
    // 8.h  (qint32) number of type alternatives
    // 8.i  (AltRefType) 1st alternative
    // 8.j  (AltRefType) 2nd alternative
    // 8.k  (AltRefType) ...
    // 8.l  ...

    try {
        QSet<qint32> written_types;

        // Write the memory specifications
        out << *_specs;
#ifdef WRITE_ASCII_FILE
        dout << endl << "# Memory specifications" << endl
                << _specs->toString();
#endif

        // Write list of compile units
        out << (qint32) _factory->sources().size();
#ifdef WRITE_ASCII_FILE
        dout << endl << "# Compile units" << endl
             << _factory->sources().size() << endl;
#endif
        CompileUnitIntHash::const_iterator cu_it = _factory->sources().constBegin();
        while (cu_it != _factory->sources().constEnd()) {
            const CompileUnit* c = cu_it.value();
            out << *c;
#ifdef WRITE_ASCII_FILE
            dout << "0x" << hex << c->id() << " " << c->name() << endl;
#endif
            ++cu_it;
            checkOperationProgress();
        }

        // Write list of types
        const int types_to_write = _factory->types().size();
        out << (qint32) types_to_write;

#ifdef WRITE_ASCII_FILE
        dout << endl << "# Types" << endl
             << dec << types_to_write << endl;
#endif

        // Make three rounds: first write elementary types, then the
        // simple referencing types, finally the structs and unions
        for (int round = 0; round < 3; ++round) {
            int mask = ElementaryTypes;
            switch (round) {
            case 1: mask = ReferencingTypes & ~StructOrUnion; break;
            case 2: mask = StructOrUnion; break;
            }

            for (int i = 0; i < _factory->types().size(); i++) {
                BaseType* t = _factory->types().at(i);
                if (t->type() & mask) {

                    out << (qint32) t->type();
                    out << *t;

#ifdef WRITE_ASCII_FILE
                    dout << "0x" << hex << t->id() << " "
                         << realTypeToStr(t->type()) << " "
                         << t->name();
                    RefBaseType* rbt = dynamic_cast<RefBaseType*>(t);
                    if (rbt)
                        dout << ", refTypeId = 0x" << rbt->refTypeId();
                    dout << endl;
#endif

                    // Remember which types we have written out
                    written_types.insert(t->id());
                }
                checkOperationProgress();
            }
        }

        assert(_factory->types().size() == written_types.size());
        assert(types_to_write == written_types.size());

        // Write list of missing types by ID
        const int ids_to_write =
                _factory->typesById().size() - _factory->types().size();
        out << (qint32)ids_to_write;
#ifdef WRITE_ASCII_FILE
        dout << endl << "# Further type relations" << endl
             << dec << ids_to_write
             << endl;
#endif
        BaseTypeIntHash::const_iterator bt_id_it = _factory->typesById().constBegin();
        int written = 0;
        while (bt_id_it != _factory->typesById().constEnd()) {
            if (!written_types.contains(bt_id_it.key())) {
                out << (qint32) bt_id_it.key() << (qint32) bt_id_it.value()->id();
#ifdef WRITE_ASCII_FILE
                dout << hex << "0x" << bt_id_it.key() << " -> 0x"
                     << bt_id_it.value()->id() << endl;
#endif
                ++written;
            }
            ++bt_id_it;
            checkOperationProgress();
        }

        assert(written == ids_to_write);
        assert(written_types.size() + written == _factory->typesById().size());

        // Write list of variables
        out << (qint32) _factory->vars().size();
#ifdef WRITE_ASCII_FILE
        dout << endl << "# List of variables" << endl
             << dec << _factory->vars().size() << endl;
#endif
        for (int i = 0; i < _factory->vars().size(); i++) {
            out << *_factory->vars().at(i);
#ifdef WRITE_ASCII_FILE
            dout << hex << "0x" << _factory->vars().at(i)->id() << " "
                 << _factory->vars().at(i)->name() << ", refTypeId = 0x"
                 << _factory->vars().at(i)->refTypeId() << endl;
#endif
            checkOperationProgress();
        }

        // Find referencing types with alternatives
        QList<RefBaseType*> refTypesWithAlt;
        MemberList membersWithAlt;
        for (int i = 0; i < _factory->types().count(); ++i) {
            BaseType* t = _factory->types().at(i);
            // Non-structure types
            if (t->type() & ReferencingTypes & ~StructOrUnion)  {
                RefBaseType* rbt = dynamic_cast<RefBaseType*>(t);
                if (rbt->altRefTypeCount() > 0)
                    refTypesWithAlt.append(rbt);
            }
            // Structure types
            else if (t->type() & StructOrUnion)  {
                Structured* s = dynamic_cast<Structured*>(t);
                for (int j = 0; j < s->members().count(); ++j) {
                    StructuredMember* m = s->members().at(j);
                    if (m->altRefTypeCount() > 0)
                        membersWithAlt.append(m);
                }
            }
            checkOperationProgress();
        }

        // Find variables with type alternatives
        VariableList varsWithAlt;
        for (int i = 0; i < _factory->vars().size(); i++) {
            Variable* v = _factory->vars().at(i);
            if (v->altRefTypeCount() > 0)
                varsWithAlt.append(v);
            checkOperationProgress();
        }

        // Write list of types with alternative types
        out << (qint32) refTypesWithAlt.size();
#ifdef WRITE_ASCII_FILE
        dout << endl << "# List of types with alternative types" << endl
             << dec << refTypesWithAlt.size() << endl;
#endif
        for (int i = 0; i < refTypesWithAlt.size(); ++i) {
            RefBaseType* rbt = refTypesWithAlt.at(i);
            out << (qint32) rbt->id();
            rbt->writeAltRefTypesTo(out);
#ifdef WRITE_ASCII_FILE
            dout << hex << "0x" << rbt->id() << " "
                 << dec << rbt->altRefTypeCount()
                 << endl;
#endif
            checkOperationProgress();
        }

        // Write list of struct members with alternative types
        out << (qint32) (refTypesWithAlt.size() + membersWithAlt.size());
#ifdef WRITE_ASCII_FILE
        dout << endl << "# List of struct members with alternative types" << endl
             << dec << membersWithAlt.size() << endl;
#endif
        for (int i = 0; i < membersWithAlt.size(); ++i) {
            StructuredMember* m = membersWithAlt.at(i);
            out << (qint32) m->id()
                << (qint32) m->belongsTo()->id();
            m->writeAltRefTypesTo(out);
#ifdef WRITE_ASCII_FILE
            dout << hex << "0x" << m->id() << " "
                 << hex << "0x" << m->belongsTo()->id() << " "
                 << dec << m->altRefTypeCount()
                 << endl;
#endif
            checkOperationProgress();
        }

        // Write list of variables with alternative types
        out << (qint32) varsWithAlt.size();
#ifdef WRITE_ASCII_FILE
        dout << endl << "# List of variables with alternative types" << endl
             << dec << varsWithAlt.size() << endl;
#endif
        for (int i = 0; i < varsWithAlt.size(); ++i) {
            Variable* v = varsWithAlt.at(i);
            out << (qint32) v->id();
            v->writeAltRefTypesTo(out);
#ifdef WRITE_ASCII_FILE
            dout << hex << "0x" << v->id() << " "
                 << dec << v->altRefTypeCount()
                 << endl;
#endif
            checkOperationProgress();
        }

        // Since version 17: Write file names containing the orig. symbols
        if (out.kSymVersion() >= kSym::VERSION_17)
            out <<_factory->origSymFiles();
    }
    catch (...) {
        // Exceptional cleanup
        operationStopped();
        Console::out() << endl;
        throw; // Re-throw exception
    }

    operationStopped();

    QString s("\rReading symbols finished");
    if (!_to->isSequential())
        s += QString(" (%1 read)").arg(bytesToString(_to->pos()));
    s += ".";
    shellOut(s, true);
}