Qualifier* Sintactico::ParseFieldSpecifier()
{
if ( proximo_token.GetTipo() == punt_punto )
{
proximo_token = analizador_lexico->ObtenerSiguienteToken();
string field_name = ParseFieldName();
return new Referencia(field_name);
}
else
throw SyntaxException("Falta punto: produccion FieldSpecifier",analizador_lexico->GetLineaActual());
}
OrderBy* GetFeatureRequest::ParserOrderBy(XElement* pxOrderBy)
{
OrderBy* pOrderBy = NULL;
FilterFactory* pFilterFactory = augeGetFilterFactoryInstance();
if(!pxOrderBy->HasChildren())
{
return NULL;
}
pOrderBy = pFilterFactory->CreateOrderBy();
char field_name[AUGE_NAME_MAX];
const char* property_name = NULL;
XNode* pxNode = NULL;
XNodeSet* pxNodeSet = pxOrderBy->GetChildren("PropertyName");
pxNodeSet->Reset();
while((pxNode=pxNodeSet->Next())!=NULL)
{
property_name = pxNode->GetContent();
if(strlen(property_name)>0)
{
ParseFieldName(property_name, field_name, AUGE_NAME_MAX);
pOrderBy->AddField(field_name);
}
}
pxNodeSet->Release();
XAttribute* pxAttr = pxOrderBy->GetAttribute("order");
if(pxAttr!=NULL)
{
const char* order = pxAttr->GetValue();
if(order!=NULL)
{
if(g_stricmp(order,"desc")==0)
{
pOrderBy->SetOrder(augeOrderDesc);
}
//pxAttr->Release();
}
}
return pOrderBy;
}
void GetFeatureRequest::SetFields(GQuery* pQuery, const char* fields)
{
if(fields==NULL)
{
return;
}
char field[AUGE_NAME_MAX];
char* field_c = strdup(fields);
char* ptr = strtok(field_c, ",");
while(ptr!=NULL)
{
ParseFieldName(ptr, field, AUGE_NAME_MAX);
pQuery->AddSubField(field);
ptr = strtok(NULL, ",");
}
free(field_c);
}
GQuery* GetFeatureRequest::ParseXmlQuery(FeatureClass* pFeatureClass)
{
if(m_pxDoc==NULL)
{
return NULL;
}
XElement* pxRoot = m_pxDoc->GetRootNode();
XElement* pxQuery = (XElement*)pxRoot->GetFirstChild("Query");
if(pxQuery==NULL)
{
return NULL;
}
FilterFactory* pFilterFactory = augeGetFilterFactoryInstance();
GQuery* pQuery = pFilterFactory->CreateQuery();
if(pQuery==NULL)
{
return NULL;
}
XElement* pxFilter = (XElement*)pxQuery->GetFirstChild("Filter");
if(pxFilter!=NULL)
{
GFilter* pFilter = NULL;
FilterReader* reader = pFilterFactory->CreateFilerReader(pFeatureClass->GetFields());
pFilter = reader->Read(pxFilter);
pQuery->SetFilter(pFilter);
}
XElement* pxOrderBy = (XElement*)pxQuery->GetFirstChild("OrderBy");
if(pxOrderBy!=NULL)
{
OrderBy* pOrderBy = ParserOrderBy(pxOrderBy);
if(pOrderBy!=NULL)
{
pQuery->SetOrderBy(pOrderBy);
}
}
//PropertyName
char field_name[AUGE_NAME_MAX];
const char* property_name;
XNode* pxNode = NULL;
XNodeSet* pxNodeSet = pxQuery->GetChildren("PropertyName");
pxNodeSet->Reset();
while((pxNode=pxNodeSet->Next())!=NULL)
{
property_name = pxNode->GetContent();
ParseFieldName(property_name, field_name, AUGE_NAME_MAX);
WebContext* pWebContext = augeGetWebContextInstance();
pQuery->AddSubField(pWebContext->ParameterEncoding(field_name));
}
if(m_max_features>0)
{
pQuery->SetMaxFeatures(m_max_features);
}
if(m_offset>0)
{
pQuery->SetOffset(m_offset);
}
pxNodeSet->Release();
return pQuery;
}
