OGRPLScenesLayer::OGRPLScenesLayer(OGRPLScenesDataset* poDS,
const char* pszName,
const char* pszBaseURL,
json_object* poObjCount10)
{
this->poDS = poDS;
osBaseURL = pszBaseURL;
SetDescription(pszName);
poFeatureDefn = new OGRFeatureDefn(pszName);
poFeatureDefn->SetGeomType(wkbMultiPolygon);
for(int i = 0; i < (int)sizeof(apsAttrs) / (int)sizeof(apsAttrs[0]); i++)
{
OGRFieldDefn oField(apsAttrs[i].pszName, apsAttrs[i].eType);
poFeatureDefn->AddFieldDefn(&oField);
}
poFeatureDefn->Reference();
poSRS = new OGRSpatialReference(SRS_WKT_WGS84);
poFeatureDefn->GetGeomFieldDefn(0)->SetSpatialRef(poSRS);
bEOF = FALSE;
nFeatureCount = -1;
nNextFID = 1;
poGeoJSONDS = NULL;
poGeoJSONLayer = NULL;
poMainFilter = NULL;
nPageSize = atoi(CPLGetConfigOption("PLSCENES_PAGE_SIZE", "1000"));
bStillInFirstPage = FALSE;
bAcquiredAscending = -1;
bFilterMustBeClientSideEvaluated = FALSE;
ResetReading();
if( poObjCount10 != NULL )
{
json_object* poCount = json_object_object_get(poObjCount10, "count");
if( poCount != NULL )
nFeatureCount = MAX(0, json_object_get_int64(poCount));
OGRGeoJSONDataSource* poTmpDS = new OGRGeoJSONDataSource();
OGRGeoJSONReader oReader;
oReader.SetFlattenNestedAttributes(true, '.');
oReader.ReadLayer( poTmpDS, "layer", poObjCount10 );
OGRLayer* poTmpLayer = poTmpDS->GetLayer(0);
if( poTmpLayer )
{
OGRFeatureDefn* poTmpFDefn = poTmpLayer->GetLayerDefn();
std::vector<CPLString> aosNewFields;
for(int i=0;i<poTmpFDefn->GetFieldCount();i++)
{
if( poFeatureDefn->GetFieldIndex(poTmpFDefn->GetFieldDefn(i)->GetNameRef()) < 0 )
aosNewFields.push_back(poTmpFDefn->GetFieldDefn(i)->GetNameRef());
}
std::sort(aosNewFields.begin(), aosNewFields.end(), OGRPLScenesLayerFieldNameComparator);
for(int i=0;i<(int)aosNewFields.size();i++)
{
OGRFieldDefn oField(poTmpFDefn->GetFieldDefn(poTmpFDefn->GetFieldIndex(aosNewFields[i])));
poFeatureDefn->AddFieldDefn(&oField);
}
}
delete poTmpDS;
}
}
int OGRESRIFeatureServiceDataset::LoadNextPage()
{
if( !poCurrent->HasOtherPages() )
return FALSE;
nLastOffset += poCurrent->GetLayer(0)->GetFeatureCount();
return LoadPage();
}
int OGRESRIFeatureServiceDataset::ResetReading()
{
if( nLastOffset > nFirstOffset )
{
nLastOffset = nFirstOffset;
return LoadPage();
}
poCurrent->GetLayer(0)->ResetReading();
return TRUE;
}
OGRLayer* GetUnderlyingLayer() { return poCurrent->GetLayer(0); }
