void OGRNASDataSource::PopulateRelations()
{
GMLFeature *poFeature;
poReader->ResetReading();
while( (poFeature = poReader->NextFeature()) != NULL )
{
char **papszOBProperties = poFeature->GetOBProperties();
int i;
for( i = 0; papszOBProperties != NULL && papszOBProperties[i] != NULL;
i++ )
{
int nGMLIdIndex = poFeature->GetClass()->GetPropertyIndex( "gml_id" );
const GMLProperty *psGMLId = (nGMLIdIndex >= 0) ? poFeature->GetProperty(nGMLIdIndex ) : NULL;
char *pszName = NULL;
const char *pszValue = CPLParseNameValue( papszOBProperties[i],
&pszName );
if( EQUALN(pszValue,"urn:adv:oid:",12)
&& psGMLId != NULL && psGMLId->nSubProperties == 1 )
{
poRelationLayer->AddRelation( psGMLId->papszSubProperties[0],
pszName,
pszValue + 12 );
}
CPLFree( pszName );
}
delete poFeature;
}
poRelationLayer->MarkRelationsPopulated();
}
void GMLReader::SetFeatureProperty( const char *pszElement,
const char *pszValue )
{
GMLFeature *poFeature = GetState()->m_poFeature;
CPLAssert( poFeature != NULL );
/* -------------------------------------------------------------------- */
/* Does this property exist in the feature class? If not, add */
/* it. */
/* -------------------------------------------------------------------- */
GMLFeatureClass *poClass = poFeature->GetClass();
int iProperty;
for( iProperty=0; iProperty < poClass->GetPropertyCount(); iProperty++ )
{
if( EQUAL(poClass->GetProperty( iProperty )->GetSrcElement(),
pszElement ) )
break;
}
if( iProperty == poClass->GetPropertyCount() )
{
if( poClass->IsSchemaLocked() )
{
CPLDebug("GML","Encountered property missing from class schema.");
return;
}
GMLPropertyDefn *poPDefn = new GMLPropertyDefn(pszElement,pszElement);
if( EQUAL(CPLGetConfigOption( "GML_FIELDTYPES", ""), "ALWAYS_STRING") )
poPDefn->SetType( GMLPT_String );
poClass->AddProperty( poPDefn );
}
/* -------------------------------------------------------------------- */
/* Set the property */
/* -------------------------------------------------------------------- */
poFeature->SetProperty( iProperty, pszValue );
/* -------------------------------------------------------------------- */
/* Do we need to update the property type? */
/* -------------------------------------------------------------------- */
if( !poClass->IsSchemaLocked() )
poClass->GetProperty( iProperty )->AnalysePropertyValue(pszValue);
}
int GMLReader::PrescanForTemplate ()
{
int iCount = 0;
GMLFeature *poFeature;
//int bSequentialLayers = TRUE;
GFSTemplateList *pCC = new GFSTemplateList();
/* processing GML features */
while( (poFeature = NextFeature()) != NULL )
{
GMLFeatureClass *poClass = poFeature->GetClass();
const CPLXMLNode* const * papsGeomList = poFeature->GetGeometryList();
int b_has_geom = FALSE;
if( papsGeomList != NULL )
{
int i = 0;
const CPLXMLNode *psNode = papsGeomList[i];
while( psNode != NULL )
{
b_has_geom = TRUE;
i++;
psNode = papsGeomList[i];
}
}
pCC->Update( poClass->GetElementName(), b_has_geom );
delete poFeature;
}
gmlUpdateFeatureClasses( pCC, this, &m_bSequentialLayers );
if ( m_bSequentialLayers == TRUE )
ReArrangeTemplateClasses( pCC );
iCount = pCC->GetClassCount();
delete pCC;
CleanupParser();
return iCount > 0;
}
OGRFeature *OGRNASLayer::GetNextFeature()
{
GMLFeature *poNASFeature = NULL;
OGRGeometry *poGeom = NULL;
if( iNextNASId == 0 )
ResetReading();
/* ==================================================================== */
/* Loop till we find and translate a feature meeting all our */
/* requirements. */
/* ==================================================================== */
while( TRUE )
{
/* -------------------------------------------------------------------- */
/* Cleanup last feature, and get a new raw nas feature. */
/* -------------------------------------------------------------------- */
delete poNASFeature;
delete poGeom;
poNASFeature = NULL;
poGeom = NULL;
poNASFeature = poDS->GetReader()->NextFeature();
if( poNASFeature == NULL )
return NULL;
/* -------------------------------------------------------------------- */
/* Is it of the proper feature class? */
/* -------------------------------------------------------------------- */
// We count reading low level NAS features as a feature read for
// work checking purposes, though at least we didn't necessary
// have to turn it into an OGRFeature.
m_nFeaturesRead++;
if( poNASFeature->GetClass() != poFClass )
continue;
iNextNASId++;
/* -------------------------------------------------------------------- */
/* Does it satisfy the spatial query, if there is one? */
/* -------------------------------------------------------------------- */
const CPLXMLNode* const * papsGeometry = poNASFeature->GetGeometryList();
if (papsGeometry[0] != NULL)
{
poGeom = (OGRGeometry*) OGR_G_CreateFromGMLTree(papsGeometry[0]);
// We assume the createFromNAS() function would have already
// reported the error.
if( poGeom == NULL )
{
delete poNASFeature;
return NULL;
}
if( m_poFilterGeom != NULL && !FilterGeometry( poGeom ) )
continue;
}
/* -------------------------------------------------------------------- */
/* Convert the whole feature into an OGRFeature. */
/* -------------------------------------------------------------------- */
int iField;
OGRFeature *poOGRFeature = new OGRFeature( GetLayerDefn() );
poOGRFeature->SetFID( iNextNASId );
for( iField = 0; iField < poFClass->GetPropertyCount(); iField++ )
{
const GMLProperty *psGMLProperty = poNASFeature->GetProperty( iField );
if( psGMLProperty == NULL || psGMLProperty->nSubProperties == 0 )
continue;
switch( poFClass->GetProperty(iField)->GetType() )
{
case GMLPT_Real:
{
poOGRFeature->SetField( iField, CPLAtof(psGMLProperty->papszSubProperties[0]) );
}
break;
case GMLPT_IntegerList:
{
int nCount = psGMLProperty->nSubProperties;
int *panIntList = (int *) CPLMalloc(sizeof(int) * nCount );
int i;
for( i = 0; i < nCount; i++ )
panIntList[i] = atoi(psGMLProperty->papszSubProperties[i]);
poOGRFeature->SetField( iField, nCount, panIntList );
CPLFree( panIntList );
}
break;
case GMLPT_RealList:
{
int nCount = psGMLProperty->nSubProperties;
double *padfList = (double *)CPLMalloc(sizeof(double)*nCount);
int i;
for( i = 0; i < nCount; i++ )
padfList[i] = CPLAtof(psGMLProperty->papszSubProperties[i]);
poOGRFeature->SetField( iField, nCount, padfList );
CPLFree( padfList );
}
break;
case GMLPT_StringList:
{
poOGRFeature->SetField( iField, psGMLProperty->papszSubProperties );
}
break;
default:
poOGRFeature->SetField( iField, psGMLProperty->papszSubProperties[0] );
break;
}
}
/* -------------------------------------------------------------------- */
/* Test against the attribute query. */
/* -------------------------------------------------------------------- */
if( m_poAttrQuery != NULL
&& !m_poAttrQuery->Evaluate( poOGRFeature ) )
{
delete poOGRFeature;
continue;
}
/* -------------------------------------------------------------------- */
/* Wow, we got our desired feature. Return it. */
/* -------------------------------------------------------------------- */
delete poNASFeature;
poOGRFeature->SetGeometryDirectly( poGeom );
return poOGRFeature;
}
return NULL;
}
int GMLReader::PrescanForSchema( int bGetExtents )
{
GMLFeature *poFeature;
if( m_pszFilename == NULL )
return FALSE;
SetClassListLocked( FALSE );
ClearClasses();
if( !SetupParser() )
return FALSE;
while( (poFeature = NextFeature()) != NULL )
{
GMLFeatureClass *poClass = poFeature->GetClass();
if( poClass->GetFeatureCount() == -1 )
poClass->SetFeatureCount( 1 );
else
poClass->SetFeatureCount( poClass->GetFeatureCount() + 1 );
#ifdef SUPPORT_GEOMETRY
if( bGetExtents )
{
OGRGeometry *poGeometry = NULL;
if( poFeature->GetGeometry() != NULL
&& strlen(poFeature->GetGeometry()) != 0 )
{
poGeometry = OGRGeometryFactory::createFromGML(
poFeature->GetGeometry() );
}
if( poGeometry != NULL )
{
double dfXMin, dfXMax, dfYMin, dfYMax;
OGREnvelope sEnvelope;
poGeometry->getEnvelope( &sEnvelope );
delete poGeometry;
if( poClass->GetExtents(&dfXMin, &dfXMax, &dfYMin, &dfYMax) )
{
dfXMin = MIN(dfXMin,sEnvelope.MinX);
dfXMax = MAX(dfXMax,sEnvelope.MaxX);
dfYMin = MIN(dfYMin,sEnvelope.MinY);
dfYMax = MAX(dfYMax,sEnvelope.MaxY);
}
else
{
dfXMin = sEnvelope.MinX;
dfXMax = sEnvelope.MaxX;
dfYMin = sEnvelope.MinY;
dfYMax = sEnvelope.MaxY;
}
poClass->SetExtents( dfXMin, dfXMax, dfYMin, dfYMax );
}
#endif /* def SUPPORT_GEOMETRY */
}
delete poFeature;
}
CleanupParser();
return GetClassCount() > 0;
}
OGRFeature *OGRGMLLayer::GetNextFeature()
{
GMLFeature *poGMLFeature = NULL;
OGRGeometry *poGeom = NULL;
if (bWriter)
{
CPLError(CE_Failure, CPLE_NotSupported,
"Cannot read features when writing a GML file");
return NULL;
}
if( iNextGMLId == 0 )
ResetReading();
/* ==================================================================== */
/* Loop till we find and translate a feature meeting all our */
/* requirements. */
/* ==================================================================== */
while( TRUE )
{
/* -------------------------------------------------------------------- */
/* Cleanup last feature, and get a new raw gml feature. */
/* -------------------------------------------------------------------- */
if( poGMLFeature != NULL )
delete poGMLFeature;
if( poGeom != NULL )
{
delete poGeom;
poGeom = NULL;
}
poGMLFeature = poDS->GetReader()->NextFeature();
if( poGMLFeature == NULL )
return NULL;
/* -------------------------------------------------------------------- */
/* Is it of the proper feature class? */
/* -------------------------------------------------------------------- */
// We count reading low level GML features as a feature read for
// work checking purposes, though at least we didn't necessary
// have to turn it into an OGRFeature.
m_nFeaturesRead++;
if( poGMLFeature->GetClass() != poFClass )
continue;
/* -------------------------------------------------------------------- */
/* Extract the fid: */
/* -Assumes the fids are non-negative integers with an optional */
/* prefix */
/* -If a prefix differs from the prefix of the first feature from */
/* the poDS then the fids from the poDS are ignored and are */
/* assigned serially thereafter */
/* -------------------------------------------------------------------- */
int nFID = -1;
const char * pszGML_FID = poGMLFeature->GetFID();
if( bInvalidFIDFound )
{
nFID = iNextGMLId++;
}
else if( pszGML_FID == NULL )
{
bInvalidFIDFound = TRUE;
nFID = iNextGMLId++;
}
else if( iNextGMLId == 0 )
{
int i = strlen( pszGML_FID )-1, j = 0;
while( i >= 0 && pszGML_FID[i] >= '0'
&& pszGML_FID[i] <= '9' && j<8)
i--, j++;
/* i points the last character of the fid */
if( i >= 0 && j < 8 && pszFIDPrefix == NULL)
{
pszFIDPrefix = (char *) CPLMalloc(i+2);
pszFIDPrefix[i+1] = '\0';
strncpy(pszFIDPrefix, pszGML_FID, i+1);
}
/* pszFIDPrefix now contains the prefix or NULL if no prefix is found */
if( j < 8 && sscanf(pszGML_FID+i+1, "%d", &nFID)==1)
{
if( iNextGMLId <= nFID )
iNextGMLId = nFID + 1;
}
else
{
bInvalidFIDFound = TRUE;
nFID = iNextGMLId++;
}
}
else if( iNextGMLId != 0 )
{
const char* pszFIDPrefix_notnull = pszFIDPrefix;
if (pszFIDPrefix_notnull == NULL) pszFIDPrefix_notnull = "";
int nLenPrefix = strlen(pszFIDPrefix_notnull);
if( strncmp(pszGML_FID, pszFIDPrefix_notnull, nLenPrefix) == 0 &&
strlen(pszGML_FID+nLenPrefix) <= 9 &&
sscanf(pszGML_FID+nLenPrefix, "%d", &nFID) == 1 )
{ /* fid with the prefix. Using its numerical part */
if( iNextGMLId < nFID )
iNextGMLId = nFID + 1;
}
else
{ /* fid without the aforementioned prefix or a valid numerical part */
bInvalidFIDFound = TRUE;
nFID = iNextGMLId++;
}
}
/* -------------------------------------------------------------------- */
/* Does it satisfy the spatial query, if there is one? */
/* -------------------------------------------------------------------- */
char** papszGeometryList = poGMLFeature->GetGeometryList();
if( papszGeometryList != NULL )
{
const char* pszSRSName = poDS->GetGlobalSRSName();
poGeom = GML_BuildOGRGeometryFromList(papszGeometryList, TRUE,
m_bInvertAxisOrderIfLatLong, pszSRSName);
if (poGeom != NULL && poSRS != NULL)
poGeom->assignSpatialReference(poSRS);
// We assume the createFromGML() function would have already
// reported the error.
if( poGeom == NULL )
{
delete poGMLFeature;
return NULL;
}
if( m_poFilterGeom != NULL && !FilterGeometry( poGeom ) )
continue;
}
/* -------------------------------------------------------------------- */
/* Convert the whole feature into an OGRFeature. */
/* -------------------------------------------------------------------- */
int iField;
int iDstField = 0;
OGRFeature *poOGRFeature = new OGRFeature( GetLayerDefn() );
poOGRFeature->SetFID( nFID );
if (poDS->ExposeGMLId())
{
if (pszGML_FID)
poOGRFeature->SetField( iDstField, pszGML_FID );
iDstField ++;
}
for( iField = 0; iField < poFClass->GetPropertyCount(); iField++, iDstField ++ )
{
const GMLProperty *psGMLProperty = poGMLFeature->GetProperty( iField );
if( psGMLProperty == NULL || psGMLProperty->nSubProperties == 0 )
continue;
switch( poFClass->GetProperty(iField)->GetType() )
{
case GMLPT_Real:
{
poOGRFeature->SetField( iDstField, CPLAtof(psGMLProperty->papszSubProperties[0]) );
}
break;
case GMLPT_IntegerList:
{
int nCount = psGMLProperty->nSubProperties;
int *panIntList = (int *) CPLMalloc(sizeof(int) * nCount );
int i;
for( i = 0; i < nCount; i++ )
panIntList[i] = atoi(psGMLProperty->papszSubProperties[i]);
poOGRFeature->SetField( iDstField, nCount, panIntList );
CPLFree( panIntList );
}
break;
case GMLPT_RealList:
{
int nCount = psGMLProperty->nSubProperties;
double *padfList = (double *)CPLMalloc(sizeof(double)*nCount);
int i;
for( i = 0; i < nCount; i++ )
padfList[i] = CPLAtof(psGMLProperty->papszSubProperties[i]);
poOGRFeature->SetField( iDstField, nCount, padfList );
CPLFree( padfList );
}
break;
case GMLPT_StringList:
{
poOGRFeature->SetField( iDstField, psGMLProperty->papszSubProperties );
}
break;
default:
poOGRFeature->SetField( iDstField, psGMLProperty->papszSubProperties[0] );
break;
}
}
/* -------------------------------------------------------------------- */
/* Test against the attribute query. */
/* -------------------------------------------------------------------- */
if( m_poAttrQuery != NULL
&& !m_poAttrQuery->Evaluate( poOGRFeature ) )
{
delete poOGRFeature;
continue;
}
/* -------------------------------------------------------------------- */
/* Wow, we got our desired feature. Return it. */
/* -------------------------------------------------------------------- */
delete poGMLFeature;
poOGRFeature->SetGeometryDirectly( poGeom );
return poOGRFeature;
}
return NULL;
}
int NASReader::PrescanForSchema( int bGetExtents )
{
GMLFeature *poFeature;
if( m_pszFilename == NULL )
return FALSE;
SetClassListLocked( FALSE );
ClearClasses();
if( !SetupParser() )
return FALSE;
while( (poFeature = NextFeature()) != NULL )
{
GMLFeatureClass *poClass = poFeature->GetClass();
if( poClass->GetFeatureCount() == -1 )
poClass->SetFeatureCount( 1 );
else
poClass->SetFeatureCount( poClass->GetFeatureCount() + 1 );
#ifdef SUPPORT_GEOMETRY
if( bGetExtents )
{
OGRGeometry *poGeometry = NULL;
if( poFeature->GetGeometry() != NULL
&& strlen(poFeature->GetGeometry()) != 0 )
{
poGeometry = (OGRGeometry *) OGR_G_CreateFromGML(
poFeature->GetGeometry() );
}
if( poGeometry != NULL )
{
double dfXMin, dfXMax, dfYMin, dfYMax;
OGREnvelope sEnvelope;
OGRwkbGeometryType eGType = (OGRwkbGeometryType)
poClass->GetGeometryType();
// Merge geometry type into layer.
if( poClass->GetFeatureCount() == 1 && eGType == wkbUnknown )
eGType = wkbNone;
poClass->SetGeometryType(
(int) OGRMergeGeometryTypes(
eGType, poGeometry->getGeometryType() ) );
// merge extents.
poGeometry->getEnvelope( &sEnvelope );
delete poGeometry;
if( poClass->GetExtents(&dfXMin, &dfXMax, &dfYMin, &dfYMax) )
{
dfXMin = MIN(dfXMin,sEnvelope.MinX);
dfXMax = MAX(dfXMax,sEnvelope.MaxX);
dfYMin = MIN(dfYMin,sEnvelope.MinY);
dfYMax = MAX(dfYMax,sEnvelope.MaxY);
}
else
{
dfXMin = sEnvelope.MinX;
dfXMax = sEnvelope.MaxX;
dfYMin = sEnvelope.MinY;
dfYMax = sEnvelope.MaxY;
}
poClass->SetExtents( dfXMin, dfXMax, dfYMin, dfYMax );
}
else
{
if( poClass->GetGeometryType() == (int) wkbUnknown
&& poClass->GetFeatureCount() == 1 )
poClass->SetGeometryType( wkbNone );
}
#endif /* def SUPPORT_GEOMETRY */
}
delete poFeature;
}
CleanupParser();
return GetClassCount() > 0;
}
void NASReader::SetFeatureProperty( const char *pszElement,
const char *pszValue )
{
GMLFeature *poFeature = GetState()->m_poFeature;
CPLAssert( poFeature != NULL );
/* -------------------------------------------------------------------- */
/* Does this property exist in the feature class? If not, add */
/* it. */
/* -------------------------------------------------------------------- */
GMLFeatureClass *poClass = poFeature->GetClass();
int iProperty;
for( iProperty=0; iProperty < poClass->GetPropertyCount(); iProperty++ )
{
if( EQUAL(poClass->GetProperty( iProperty )->GetSrcElement(),
pszElement ) )
break;
}
if( iProperty == poClass->GetPropertyCount() )
{
if( poClass->IsSchemaLocked() )
{
CPLDebug("GML","Encountered property missing from class schema.");
return;
}
CPLString osFieldName;
if( strchr(pszElement,'|') == NULL )
osFieldName = pszElement;
else
{
osFieldName = strrchr(pszElement,'|') + 1;
if( poClass->GetPropertyIndex(osFieldName) != -1 )
osFieldName = pszElement;
}
// Does this conflict with an existing property name?
while( poClass->GetProperty(osFieldName) != NULL )
{
osFieldName += "_";
}
GMLPropertyDefn *poPDefn = new GMLPropertyDefn(osFieldName,pszElement);
if( EQUAL(CPLGetConfigOption( "GML_FIELDTYPES", ""), "ALWAYS_STRING") )
poPDefn->SetType( GMLPT_String );
poClass->AddProperty( poPDefn );
}
/* -------------------------------------------------------------------- */
/* Set the property */
/* -------------------------------------------------------------------- */
poFeature->SetProperty( iProperty, pszValue );
/* -------------------------------------------------------------------- */
/* Do we need to update the property type? */
/* -------------------------------------------------------------------- */
if( !poClass->IsSchemaLocked() )
{
poClass->GetProperty(iProperty)->AnalysePropertyValue(
poFeature->GetProperty(iProperty));
}
}
int NASReader::PrescanForSchema( int bGetExtents )
{
GMLFeature *poFeature;
if( m_pszFilename == NULL )
return FALSE;
SetClassListLocked( FALSE );
ClearClasses();
if( !SetupParser() )
return FALSE;
std::string osWork;
while( (poFeature = NextFeature()) != NULL )
{
GMLFeatureClass *poClass = poFeature->GetClass();
if( poClass->GetFeatureCount() == -1 )
poClass->SetFeatureCount( 1 );
else
poClass->SetFeatureCount( poClass->GetFeatureCount() + 1 );
#ifdef SUPPORT_GEOMETRY
if( bGetExtents )
{
OGRGeometry *poGeometry = NULL;
const CPLXMLNode* const * papsGeometry = poFeature->GetGeometryList();
if( papsGeometry[0] != NULL )
{
poGeometry = (OGRGeometry*) OGR_G_CreateFromGMLTree(papsGeometry[0]);
}
if( poGeometry != NULL )
{
double dfXMin, dfXMax, dfYMin, dfYMax;
OGREnvelope sEnvelope;
OGRwkbGeometryType eGType = (OGRwkbGeometryType)
poClass->GetGeometryType();
// Merge SRSName into layer.
const char* pszSRSName = GML_ExtractSrsNameFromGeometry(papsGeometry, osWork, FALSE);
// if (pszSRSName != NULL)
// m_bCanUseGlobalSRSName = FALSE;
poClass->MergeSRSName(pszSRSName);
// Merge geometry type into layer.
if( poClass->GetFeatureCount() == 1 && eGType == wkbUnknown )
eGType = wkbNone;
poClass->SetGeometryType(
(int) OGRMergeGeometryTypes(
eGType, poGeometry->getGeometryType() ) );
// merge extents.
poGeometry->getEnvelope( &sEnvelope );
delete poGeometry;
if( poClass->GetExtents(&dfXMin, &dfXMax, &dfYMin, &dfYMax) )
{
dfXMin = MIN(dfXMin,sEnvelope.MinX);
dfXMax = MAX(dfXMax,sEnvelope.MaxX);
dfYMin = MIN(dfYMin,sEnvelope.MinY);
dfYMax = MAX(dfYMax,sEnvelope.MaxY);
}
else
{
dfXMin = sEnvelope.MinX;
dfXMax = sEnvelope.MaxX;
dfYMin = sEnvelope.MinY;
dfYMax = sEnvelope.MaxY;
}
poClass->SetExtents( dfXMin, dfXMax, dfYMin, dfYMax );
}
else
{
if( poClass->GetGeometryType() == (int) wkbUnknown
&& poClass->GetFeatureCount() == 1 )
poClass->SetGeometryType( wkbNone );
}
#endif /* def SUPPORT_GEOMETRY */
}
delete poFeature;
}
CleanupParser();
return GetClassCount() > 0;
}
void NASReader::SetFeaturePropertyDirectly( const char *pszElement,
char *pszValue )
{
GMLFeature *poFeature = GetState()->m_poFeature;
CPLAssert( poFeature != NULL );
/* -------------------------------------------------------------------- */
/* Does this property exist in the feature class? If not, add */
/* it. */
/* -------------------------------------------------------------------- */
GMLFeatureClass *poClass = poFeature->GetClass();
int iProperty;
for( iProperty=0; iProperty < poClass->GetPropertyCount(); iProperty++ )
{
if( EQUAL(poClass->GetProperty( iProperty )->GetSrcElement(),
pszElement ) )
break;
}
if( iProperty == poClass->GetPropertyCount() )
{
if( poClass->IsSchemaLocked() )
{
CPLDebug("NAS","Encountered property missing from class schema.");
CPLFree(pszValue);
return;
}
CPLString osFieldName;
if( strchr(pszElement,'|') == NULL )
osFieldName = pszElement;
else
{
osFieldName = strrchr(pszElement,'|') + 1;
if( poClass->GetPropertyIndex(osFieldName) != -1 )
osFieldName = pszElement;
}
// Does this conflict with an existing property name?
while( poClass->GetProperty(osFieldName) != NULL )
{
osFieldName += "_";
}
GMLPropertyDefn *poPDefn = new GMLPropertyDefn(osFieldName,pszElement);
if( EQUAL(CPLGetConfigOption( "GML_FIELDTYPES", ""), "ALWAYS_STRING") )
poPDefn->SetType( GMLPT_String );
poClass->AddProperty( poPDefn );
}
/* -------------------------------------------------------------------- */
/* We want to handle <lage> specially to ensure it is zero */
/* filled, and treated as a string depspite the numeric */
/* content. https://trac.wheregroup.com/PostNAS/ticket/9 */
/* -------------------------------------------------------------------- */
if( strcmp(poClass->GetProperty(iProperty)->GetName(),"lage") == 0 )
{
if( strlen(pszValue) < 5 )
{
CPLString osValue = "00000";
osValue += pszValue;
poFeature->SetPropertyDirectly( iProperty, CPLStrdup(osValue + osValue.size() - 5) );
CPLFree(pszValue);
}
else
poFeature->SetPropertyDirectly( iProperty, pszValue );
if( !poClass->IsSchemaLocked() )
{
poClass->GetProperty(iProperty)->SetWidth( 5 );
poClass->GetProperty(iProperty)->SetType( GMLPT_String );
}
return;
}
/* -------------------------------------------------------------------- */
/* Set the property */
/* -------------------------------------------------------------------- */
poFeature->SetPropertyDirectly( iProperty, pszValue );
/* -------------------------------------------------------------------- */
/* Do we need to update the property type? */
/* -------------------------------------------------------------------- */
if( !poClass->IsSchemaLocked() )
{
// Special handling for punktkennung per NAS #12
if( strcmp(poClass->GetProperty(iProperty)->GetName(),
"punktkennung") == 0)
{
poClass->GetProperty(iProperty)->SetWidth( 15 );
poClass->GetProperty(iProperty)->SetType( GMLPT_String );
}
// Special handling for artDerFlurstuecksgrenze per http://trac.osgeo.org/gdal/ticket/4255
else if( strcmp(poClass->GetProperty(iProperty)->GetName(),
"artDerFlurstuecksgrenze") == 0)
{
poClass->GetProperty(iProperty)->SetType( GMLPT_IntegerList );
}
else
poClass->GetProperty(iProperty)->AnalysePropertyValue(
poFeature->GetProperty(iProperty));
}
}
OGRFeature *OGRGMLLayer::GetNextFeature()
{
if (bWriter)
{
CPLError(CE_Failure, CPLE_NotSupported,
"Cannot read features when writing a GML file");
return NULL;
}
if( poDS->GetLastReadLayer() != this )
{
if( poDS->GetReadMode() != INTERLEAVED_LAYERS )
ResetReading();
poDS->SetLastReadLayer(this);
}
/* ==================================================================== */
/* Loop till we find and translate a feature meeting all our */
/* requirements. */
/* ==================================================================== */
while( true )
{
GMLFeature *poGMLFeature = NULL;
OGRGeometry *poGeom = NULL;
poGMLFeature = poDS->PeekStoredGMLFeature();
if (poGMLFeature != NULL)
poDS->SetStoredGMLFeature(NULL);
else
{
poGMLFeature = poDS->GetReader()->NextFeature();
if( poGMLFeature == NULL )
return NULL;
// We count reading low level GML features as a feature read for
// work checking purposes, though at least we didn't necessary
// have to turn it into an OGRFeature.
m_nFeaturesRead++;
}
/* -------------------------------------------------------------------- */
/* Is it of the proper feature class? */
/* -------------------------------------------------------------------- */
if( poGMLFeature->GetClass() != poFClass )
{
if( poDS->GetReadMode() == INTERLEAVED_LAYERS ||
(poDS->GetReadMode() == SEQUENTIAL_LAYERS && iNextGMLId != 0) )
{
CPLAssert(poDS->PeekStoredGMLFeature() == NULL);
poDS->SetStoredGMLFeature(poGMLFeature);
return NULL;
}
else
{
delete poGMLFeature;
continue;
}
}
/* -------------------------------------------------------------------- */
/* Extract the fid: */
/* -Assumes the fids are non-negative integers with an optional */
/* prefix */
/* -If a prefix differs from the prefix of the first feature from */
/* the poDS then the fids from the poDS are ignored and are */
/* assigned serially thereafter */
/* -------------------------------------------------------------------- */
GIntBig nFID = -1;
const char * pszGML_FID = poGMLFeature->GetFID();
if( bInvalidFIDFound )
{
nFID = iNextGMLId++;
}
else if( pszGML_FID == NULL )
{
bInvalidFIDFound = true;
nFID = iNextGMLId++;
}
else if( iNextGMLId == 0 )
{
int j = 0;
int i = static_cast<int>(strlen( pszGML_FID ))-1;
while( i >= 0 && pszGML_FID[i] >= '0'
&& pszGML_FID[i] <= '9' && j<20)
i--, j++;
/* i points the last character of the fid */
if( i >= 0 && j < 20 && pszFIDPrefix == NULL)
{
pszFIDPrefix = (char *) CPLMalloc(i+2);
pszFIDPrefix[i+1] = '\0';
strncpy(pszFIDPrefix, pszGML_FID, i+1);
}
/* pszFIDPrefix now contains the prefix or NULL if no prefix is found */
if( j < 20 && sscanf(pszGML_FID+i+1, CPL_FRMT_GIB, &nFID)==1)
{
if( iNextGMLId <= nFID )
iNextGMLId = nFID + 1;
}
else
{
bInvalidFIDFound = true;
nFID = iNextGMLId++;
}
}
else if( iNextGMLId != 0 )
{
const char* pszFIDPrefix_notnull = pszFIDPrefix;
if (pszFIDPrefix_notnull == NULL) pszFIDPrefix_notnull = "";
int nLenPrefix = static_cast<int>(strlen(pszFIDPrefix_notnull));
if( strncmp(pszGML_FID, pszFIDPrefix_notnull, nLenPrefix) == 0 &&
strlen(pszGML_FID+nLenPrefix) < 20 &&
sscanf(pszGML_FID+nLenPrefix, CPL_FRMT_GIB, &nFID) == 1 )
{ /* fid with the prefix. Using its numerical part */
if( iNextGMLId < nFID )
iNextGMLId = nFID + 1;
}
else
{ /* fid without the aforementioned prefix or a valid numerical part */
bInvalidFIDFound = true;
nFID = iNextGMLId++;
}
}
/* -------------------------------------------------------------------- */
/* Does it satisfy the spatial query, if there is one? */
/* -------------------------------------------------------------------- */
OGRGeometry** papoGeometries = NULL;
const CPLXMLNode* const * papsGeometry = poGMLFeature->GetGeometryList();
if( poFeatureDefn->GetGeomFieldCount() > 1 )
{
papoGeometries = (OGRGeometry**)
CPLCalloc( poFeatureDefn->GetGeomFieldCount(), sizeof(OGRGeometry*) );
const char* pszSRSName = poDS->GetGlobalSRSName();
for( int i=0; i < poFeatureDefn->GetGeomFieldCount(); i++ )
{
const CPLXMLNode* psGeom = poGMLFeature->GetGeometryRef(i);
if( psGeom != NULL )
{
const CPLXMLNode* myGeometryList[2];
myGeometryList[0] = psGeom;
myGeometryList[1] = NULL;
poGeom = GML_BuildOGRGeometryFromList(myGeometryList, true,
poDS->GetInvertAxisOrderIfLatLong(),
pszSRSName,
poDS->GetConsiderEPSGAsURN(),
poDS->GetSecondaryGeometryOption(),
hCacheSRS,
bFaceHoleNegative );
/* Do geometry type changes if needed to match layer geometry type */
if (poGeom != NULL)
{
papoGeometries[i] = OGRGeometryFactory::forceTo(poGeom,
poFeatureDefn->GetGeomFieldDefn(i)->GetType());
poGeom = NULL;
}
else
// We assume the createFromGML() function would have already
// reported the error.
{
for( i=0; i < poFeatureDefn->GetGeomFieldCount(); i++)
{
delete papoGeometries[i];
}
CPLFree(papoGeometries);
delete poGMLFeature;
return NULL;
}
}
}
if( m_poFilterGeom != NULL &&
m_iGeomFieldFilter >= 0 &&
m_iGeomFieldFilter < poFeatureDefn->GetGeomFieldCount() &&
papoGeometries[m_iGeomFieldFilter] &&
!FilterGeometry( papoGeometries[m_iGeomFieldFilter] ) )
{
for( int i=0; i < poFeatureDefn->GetGeomFieldCount(); i++ )
{
delete papoGeometries[i];
}
CPLFree(papoGeometries);
delete poGMLFeature;
continue;
}
}
else if (papsGeometry[0] != NULL)
{
const char* pszSRSName = poDS->GetGlobalSRSName();
poGeom = GML_BuildOGRGeometryFromList(papsGeometry, true,
poDS->GetInvertAxisOrderIfLatLong(),
pszSRSName,
poDS->GetConsiderEPSGAsURN(),
poDS->GetSecondaryGeometryOption(),
hCacheSRS,
bFaceHoleNegative );
/* Do geometry type changes if needed to match layer geometry type */
if (poGeom != NULL)
{
poGeom = OGRGeometryFactory::forceTo(poGeom, GetGeomType());
}
else
// We assume the createFromGML() function would have already
// reported the error.
{
delete poGMLFeature;
return NULL;
}
if( m_poFilterGeom != NULL && !FilterGeometry( poGeom ) )
{
delete poGMLFeature;
delete poGeom;
continue;
}
}
/* -------------------------------------------------------------------- */
/* Convert the whole feature into an OGRFeature. */
/* -------------------------------------------------------------------- */
int iField;
int iDstField = 0;
OGRFeature *poOGRFeature = new OGRFeature( poFeatureDefn );
poOGRFeature->SetFID( nFID );
if (poDS->ExposeId())
{
if (pszGML_FID)
poOGRFeature->SetField( iDstField, pszGML_FID );
iDstField ++;
}
int nPropertyCount = poFClass->GetPropertyCount();
for( iField = 0; iField < nPropertyCount; iField++, iDstField ++ )
{
const GMLProperty *psGMLProperty = poGMLFeature->GetProperty( iField );
if( psGMLProperty == NULL || psGMLProperty->nSubProperties == 0 )
continue;
switch( poFClass->GetProperty(iField)->GetType() )
{
case GMLPT_Real:
{
poOGRFeature->SetField( iDstField, CPLAtof(psGMLProperty->papszSubProperties[0]) );
}
break;
case GMLPT_IntegerList:
{
int nCount = psGMLProperty->nSubProperties;
int *panIntList = (int *) CPLMalloc(sizeof(int) * nCount );
for( int i = 0; i < nCount; i++ )
panIntList[i]
= atoi(psGMLProperty->papszSubProperties[i]);
poOGRFeature->SetField( iDstField, nCount, panIntList );
CPLFree( panIntList );
}
break;
case GMLPT_Integer64List:
{
int nCount = psGMLProperty->nSubProperties;
GIntBig *panIntList = (GIntBig *) CPLMalloc(sizeof(GIntBig) * nCount );
for( int i = 0; i < nCount; i++ )
panIntList[i]
= CPLAtoGIntBig(psGMLProperty->papszSubProperties[i]);
poOGRFeature->SetField( iDstField, nCount, panIntList );
CPLFree( panIntList );
}
break;
case GMLPT_RealList:
{
int nCount = psGMLProperty->nSubProperties;
double *padfList = (double *)CPLMalloc(sizeof(double)*nCount);
for( int i = 0; i < nCount; i++ )
padfList[i]
= CPLAtof(psGMLProperty->papszSubProperties[i]);
poOGRFeature->SetField( iDstField, nCount, padfList );
CPLFree( padfList );
}
break;
case GMLPT_StringList:
case GMLPT_FeaturePropertyList:
{
poOGRFeature->SetField( iDstField, psGMLProperty->papszSubProperties );
}
break;
case GMLPT_Boolean:
{
if( strcmp(psGMLProperty->papszSubProperties[0], "true") == 0 ||
strcmp(psGMLProperty->papszSubProperties[0], "1") == 0 )
{
poOGRFeature->SetField( iDstField, 1);
}
else if( strcmp(psGMLProperty->papszSubProperties[0], "false") == 0 ||
strcmp(psGMLProperty->papszSubProperties[0], "0") == 0 )
{
poOGRFeature->SetField( iDstField, 0);
}
else
poOGRFeature->SetField( iDstField, psGMLProperty->papszSubProperties[0] );
break;
}
case GMLPT_BooleanList:
{
int nCount = psGMLProperty->nSubProperties;
int *panIntList = (int *) CPLMalloc(sizeof(int) * nCount );
for( int i = 0; i < nCount; i++ )
{
panIntList[i] = (
strcmp(psGMLProperty->papszSubProperties[i],
"true") == 0 ||
strcmp(psGMLProperty->papszSubProperties[i],
"1") == 0 );
}
poOGRFeature->SetField( iDstField, nCount, panIntList );
CPLFree( panIntList );
break;
}
default:
poOGRFeature->SetField( iDstField, psGMLProperty->papszSubProperties[0] );
break;
}
}
delete poGMLFeature;
poGMLFeature = NULL;
/* Assign the geometry before the attribute filter because */
/* the attribute filter may use a special field like OGR_GEOMETRY */
if( papoGeometries != NULL )
{
for( int i=0; i < poFeatureDefn->GetGeomFieldCount(); i++ )
{
poOGRFeature->SetGeomFieldDirectly( i, papoGeometries[i] );
}
CPLFree(papoGeometries);
papoGeometries = NULL;
}
else
poOGRFeature->SetGeometryDirectly( poGeom );
/* Assign SRS */
for( int i=0; i < poFeatureDefn->GetGeomFieldCount(); i++ )
{
poGeom = poOGRFeature->GetGeomFieldRef(i);
if( poGeom != NULL )
{
OGRSpatialReference* poSRS
= poFeatureDefn->GetGeomFieldDefn(i)->GetSpatialRef();
if (poSRS != NULL)
poGeom->assignSpatialReference(poSRS);
}
}
/* -------------------------------------------------------------------- */
/* Test against the attribute query. */
/* -------------------------------------------------------------------- */
if( m_poAttrQuery != NULL
&& !m_poAttrQuery->Evaluate( poOGRFeature ) )
{
delete poOGRFeature;
continue;
}
/* -------------------------------------------------------------------- */
/* Wow, we got our desired feature. Return it. */
/* -------------------------------------------------------------------- */
return poOGRFeature;
}
return NULL;
}