func OpenIndexer(args *OpenIndexerArgs) (obj Indexer, err error) {
var schemaC *C.lucy_Schema = nil
if args.Schema != nil {
schemaC = (*C.lucy_Schema)(unsafe.Pointer(args.Schema.TOPTR()))
}
switch args.Index.(type) {
case string:
default:
panic("TODO: support Folder")
}
ixLoc := clownfish.NewString(args.Index.(string))
var managerC *C.lucy_IndexManager = nil
if args.Manager != nil {
managerC = (*C.lucy_IndexManager)(unsafe.Pointer(args.Manager.TOPTR()))
}
var flags int32
if args.Create {
flags = flags | int32(C.lucy_Indexer_CREATE)
}
if args.Truncate {
flags = flags | int32(C.lucy_Indexer_TRUNCATE)
}
err = clownfish.TrapErr(func() {
cfObj := C.lucy_Indexer_new(schemaC,
(*C.cfish_Obj)(unsafe.Pointer(ixLoc.TOPTR())),
managerC, C.int32_t(flags))
obj = WRAPIndexer(unsafe.Pointer(cfObj))
})
return obj, err
}
func (obj *SchemaIMP) SpecField(field string, fieldType FieldType) {
self := ((*C.lucy_Schema)(unsafe.Pointer(obj.TOPTR())))
fieldCF := clownfish.NewString(field)
C.LUCY_Schema_Spec_Field(self,
(*C.cfish_String)(unsafe.Pointer(fieldCF.TOPTR())),
(*C.lucy_FieldType)(unsafe.Pointer(fieldType.TOPTR())))
}
func OpenIndexSearcher(index interface{}) (obj IndexSearcher, err error) {
var indexC *C.cfish_Obj
switch index.(type) {
case string:
ixLoc := clownfish.NewString(index.(string))
indexC = (*C.cfish_Obj)(unsafe.Pointer(ixLoc.TOPTR()))
default:
panic("TODO: support Folder")
}
err = clownfish.TrapErr(func() {
cfObj := C.lucy_IxSearcher_new(indexC)
obj = WRAPIndexSearcher(unsafe.Pointer(cfObj))
})
return obj, err
}
func (obj *IndexerIMP) AddDoc(doc interface{}) error {
self := ((*C.lucy_Indexer)(unsafe.Pointer(obj.TOPTR())))
stockDoc := C.LUCY_Indexer_Get_Stock_Doc(self)
docFields := (*C.cfish_Hash)(C.LUCY_Doc_Get_Fields(stockDoc))
C.CFISH_Hash_Clear(docFields)
// TODO: Support map as doc in addition to struct as doc.
// Get reflection value and type for the supplied struct.
var docValue reflect.Value
if reflect.ValueOf(doc).Kind() == reflect.Ptr {
temp := reflect.ValueOf(doc).Elem()
if temp.Kind() == reflect.Struct {
docValue = temp
}
}
if docValue == (reflect.Value{}) {
mess := fmt.Sprintf("Doc not struct pointer: %v",
reflect.TypeOf(doc))
return clownfish.NewErr(mess)
}
docType := docValue.Type()
for i := 0; i < docValue.NumField(); i++ {
field := docType.Field(i).Name
value := docValue.Field(i).String()
fieldC := obj.findFieldC(field)
valueC := clownfish.NewString(value)
C.CFISH_Hash_Store(docFields,
(*C.cfish_String)(unsafe.Pointer(fieldC)),
C.cfish_inc_refcount(unsafe.Pointer(valueC.TOPTR())))
}
// TODO create an additional method AddDocWithBoost which allows the
// client to supply `boost`.
boost := 1.0
err := clownfish.TrapErr(func() {
C.LUCY_Indexer_Add_Doc(self, stockDoc, C.float(boost))
})
return err
}
func doHits(obj Searcher, query interface{}, offset uint32, numWanted uint32,
sortSpec SortSpec) (hits Hits, err error) {
self := ((*C.lucy_Searcher)(unsafe.Pointer(obj.TOPTR())))
var sortSpecC *C.lucy_SortSpec
if sortSpec != nil {
sortSpecC = (*C.lucy_SortSpec)(unsafe.Pointer(sortSpec.TOPTR()))
}
switch query.(type) {
case string:
queryStringC := clownfish.NewString(query.(string))
err = clownfish.TrapErr(func() {
hitsC := C.LUCY_Searcher_Hits(self,
(*C.cfish_Obj)(unsafe.Pointer(queryStringC.TOPTR())),
C.uint32_t(offset), C.uint32_t(numWanted), sortSpecC)
hits = WRAPHits(unsafe.Pointer(hitsC))
})
default:
panic("TODO: support Query objects")
}
return hits, err
}