OGRSpatialReference *OGRProxiedLayer::GetSpatialRef()
{
if( poSRS != NULL )
return poSRS;
if( poUnderlyingLayer == NULL && !OpenUnderlyingLayer() ) return NULL;
OGRSpatialReference* poRet = poUnderlyingLayer->GetSpatialRef();
if( poRet != NULL )
{
poSRS = poRet;
poSRS->Reference();
}
return poRet;
}
OGRFeatureDefn *OGRProxiedLayer::GetLayerDefn()
{
if( poFeatureDefn != NULL )
return poFeatureDefn;
if( poUnderlyingLayer == NULL && !OpenUnderlyingLayer() )
{
poFeatureDefn = new OGRFeatureDefn("");
}
else
{
poFeatureDefn = poUnderlyingLayer->GetLayerDefn();
}
poFeatureDefn->Reference();
return poFeatureDefn;
}
OGRErr OGRProxiedLayer::GetExtent(OGREnvelope *psExtent, int bForce)
{
if( poUnderlyingLayer == NULL && !OpenUnderlyingLayer() ) return OGRERR_FAILURE;
return poUnderlyingLayer->GetExtent(psExtent, bForce);
}
int OGRProxiedLayer::TestCapability( const char * pszCapability )
{
if( poUnderlyingLayer == NULL && !OpenUnderlyingLayer() ) return FALSE;
return poUnderlyingLayer->TestCapability(pszCapability);
}
OGRErr OGRProxiedLayer::SetAttributeFilter( const char * poAttrFilter )
{
if( poUnderlyingLayer == NULL && !OpenUnderlyingLayer() ) return OGRERR_FAILURE;
return poUnderlyingLayer->SetAttributeFilter(poAttrFilter);
}
int OGRProxiedLayer::GetFeatureCount( int bForce )
{
if( poUnderlyingLayer == NULL && !OpenUnderlyingLayer() ) return 0;
return poUnderlyingLayer->GetFeatureCount(bForce);
}
OGRErr OGRProxiedLayer::SyncToDisk()
{
if( poUnderlyingLayer == NULL && !OpenUnderlyingLayer() ) return OGRERR_FAILURE;
return poUnderlyingLayer->SyncToDisk();
}
void OGRProxiedLayer::SetStyleTable(OGRStyleTable *poStyleTable)
{
if( poUnderlyingLayer == NULL && !OpenUnderlyingLayer() ) return;
return poUnderlyingLayer->SetStyleTable(poStyleTable);
}
OGRErr OGRProxiedLayer::DeleteFeature( long nFID )
{
if( poUnderlyingLayer == NULL && !OpenUnderlyingLayer() ) return OGRERR_FAILURE;
return poUnderlyingLayer->DeleteFeature(nFID);
}
OGRErr OGRProxiedLayer::ReorderFields( int* panMap )
{
if( poUnderlyingLayer == NULL && !OpenUnderlyingLayer() ) return OGRERR_FAILURE;
return poUnderlyingLayer->ReorderFields(panMap);
}
OGRFeature *OGRProxiedLayer::GetFeature( long nFID )
{
if( poUnderlyingLayer == NULL && !OpenUnderlyingLayer() ) return NULL;
return poUnderlyingLayer->GetFeature(nFID);
}
OGRErr OGRProxiedLayer::CreateFeature( OGRFeature *poFeature )
{
if( poUnderlyingLayer == NULL && !OpenUnderlyingLayer() ) return OGRERR_FAILURE;
return poUnderlyingLayer->CreateFeature(poFeature);
}
OGRErr OGRProxiedLayer::SetNextByIndex( long nIndex )
{
if( poUnderlyingLayer == NULL && !OpenUnderlyingLayer() ) return OGRERR_FAILURE;
return poUnderlyingLayer->SetNextByIndex(nIndex);
}
OGRFeature *OGRProxiedLayer::GetNextFeature()
{
if( poUnderlyingLayer == NULL && !OpenUnderlyingLayer() ) return NULL;
return poUnderlyingLayer->GetNextFeature();
}
void OGRProxiedLayer::ResetReading()
{
if( poUnderlyingLayer == NULL && !OpenUnderlyingLayer() ) return;
poUnderlyingLayer->ResetReading();
}
OGRErr OGRProxiedLayer::CreateField( OGRFieldDefn *poField,
int bApproxOK )
{
if( poUnderlyingLayer == NULL && !OpenUnderlyingLayer() ) return OGRERR_FAILURE;
return poUnderlyingLayer->CreateField(poField, bApproxOK);
}
const char *OGRProxiedLayer::GetName()
{
if( poUnderlyingLayer == NULL && !OpenUnderlyingLayer() ) return "";
return poUnderlyingLayer->GetName();
}
OGRErr OGRProxiedLayer::DeleteField( int iField )
{
if( poUnderlyingLayer == NULL && !OpenUnderlyingLayer() ) return OGRERR_FAILURE;
return poUnderlyingLayer->DeleteField(iField);
}
OGRwkbGeometryType OGRProxiedLayer::GetGeomType()
{
if( poUnderlyingLayer == NULL && !OpenUnderlyingLayer() ) return wkbUnknown;
return poUnderlyingLayer->GetGeomType();
}
OGRErr OGRProxiedLayer::AlterFieldDefn( int iField, OGRFieldDefn* poNewFieldDefn, int nFlags )
{
if( poUnderlyingLayer == NULL && !OpenUnderlyingLayer() ) return OGRERR_FAILURE;
return poUnderlyingLayer->AlterFieldDefn(iField, poNewFieldDefn, nFlags);
}
const char *OGRProxiedLayer::GetGeometryColumn()
{
if( poUnderlyingLayer == NULL && !OpenUnderlyingLayer() ) return "";
return poUnderlyingLayer->GetGeometryColumn();
}
OGRStyleTable *OGRProxiedLayer::GetStyleTable()
{
if( poUnderlyingLayer == NULL && !OpenUnderlyingLayer() ) return NULL;
return poUnderlyingLayer->GetStyleTable();
}
OGRGeometry *OGRProxiedLayer::GetSpatialFilter()
{
if( poUnderlyingLayer == NULL && !OpenUnderlyingLayer() ) return NULL;
return poUnderlyingLayer->GetSpatialFilter();
}
OGRErr OGRProxiedLayer::RollbackTransaction()
{
if( poUnderlyingLayer == NULL && !OpenUnderlyingLayer() ) return OGRERR_FAILURE;
return poUnderlyingLayer->RollbackTransaction();
}
void OGRProxiedLayer::SetSpatialFilter( int iGeomField, OGRGeometry * poGeom )
{
if( poUnderlyingLayer == NULL && !OpenUnderlyingLayer() ) return;
poUnderlyingLayer->SetSpatialFilter(iGeomField, poGeom);
}
OGRErr OGRProxiedLayer::SetIgnoredFields( const char **papszFields )
{
if( poUnderlyingLayer == NULL && !OpenUnderlyingLayer() ) return OGRERR_FAILURE;
return poUnderlyingLayer->SetIgnoredFields(papszFields);
}
OGRLayer* OGRProxiedLayer::GetUnderlyingLayer()
{
if( poUnderlyingLayer == NULL )
OpenUnderlyingLayer();
return poUnderlyingLayer;
}
