int OGRESRIFeatureServiceLayer::TestCapability( const char* pszCap )
{
if( EQUAL(pszCap, OLCFastFeatureCount) )
return m_poAttrQuery == NULL && m_poFilterGeom == NULL;
if( EQUAL(pszCap, OLCFastGetExtent) )
return FALSE;
return poDS->GetUnderlyingLayer()->TestCapability(pszCap);
}
OGRFeature* OGRESRIFeatureServiceLayer::GetNextFeature()
{
while( TRUE )
{
int bWasInFirstPage = !bOtherPage;
OGRFeature* poSrcFeat = poDS->GetUnderlyingLayer()->GetNextFeature();
if( poSrcFeat == NULL )
{
if( !poDS->LoadNextPage() )
return NULL;
poSrcFeat = poDS->GetUnderlyingLayer()->GetNextFeature();
if( poSrcFeat == NULL )
return NULL;
bOtherPage = TRUE;
}
if( bOtherPage && bWasInFirstPage && poSrcFeat->GetFID() == 0 &&
nLastFID == nFeaturesRead - 1 )
{
bUseSequentialFID = TRUE;
}
OGRFeature* poFeature = new OGRFeature(poFeatureDefn);
poFeature->SetFrom(poSrcFeat);
if( bUseSequentialFID )
poFeature->SetFID(nFeaturesRead);
else
poFeature->SetFID(poSrcFeat->GetFID());
nLastFID = poFeature->GetFID();
nFeaturesRead ++;
delete poSrcFeat;
if((m_poFilterGeom == NULL
|| FilterGeometry( poFeature->GetGeometryRef() ) )
&& (m_poAttrQuery == NULL
|| m_poAttrQuery->Evaluate( poFeature )) )
{
return poFeature;
}
delete poFeature;
}
}