//export GOLUCY_Inverter_Invert_Doc
func GOLUCY_Inverter_Invert_Doc(inverter *C.lucy_Inverter, doc *C.lucy_Doc) {
ivars := C.lucy_Inverter_IVARS(inverter)
fields := (*C.cfish_Hash)(C.LUCY_Doc_Get_Fields(doc))
// Prepare for the new doc.
C.LUCY_Inverter_Set_Doc(inverter, doc)
// Extract and invert the doc's fields.
iter := C.cfish_HashIter_new(fields)
for C.CFISH_HashIter_Next(iter) {
field := C.CFISH_HashIter_Get_Key(iter)
obj := C.CFISH_HashIter_Get_Value(iter)
if obj == nil {
mess := "Invalid nil value for field" + clownfish.CFStringToGo(unsafe.Pointer(field))
panic(clownfish.NewErr(mess))
}
inventry := fetchEntry(ivars, field)
inventryIvars := C.lucy_InvEntry_IVARS(inventry)
fieldType := inventryIvars._type
// Get the field value.
var expectedType *C.cfish_Class
switch C.LUCY_FType_Primitive_ID(fieldType) & C.lucy_FType_PRIMITIVE_ID_MASK {
case C.lucy_FType_TEXT:
expectedType = C.CFISH_STRING
case C.lucy_FType_BLOB:
expectedType = C.CFISH_BLOB
case C.lucy_FType_INT32:
expectedType = C.CFISH_INTEGER
case C.lucy_FType_INT64:
expectedType = C.CFISH_INTEGER
case C.lucy_FType_FLOAT32:
expectedType = C.CFISH_FLOAT
case C.lucy_FType_FLOAT64:
expectedType = C.CFISH_FLOAT
default:
panic(clownfish.NewErr("Internal Lucy error: bad type id for field " +
clownfish.CFStringToGo(unsafe.Pointer(field))))
}
if !C.cfish_Obj_is_a(obj, expectedType) {
className := C.cfish_Obj_get_class_name((*C.cfish_Obj)(unsafe.Pointer(fieldType)))
mess := fmt.Sprintf("Invalid type for field '%s': '%s'",
clownfish.CFStringToGo(unsafe.Pointer(field)),
clownfish.CFStringToGo(unsafe.Pointer(className)))
panic(clownfish.NewErr(mess))
}
if inventryIvars.value != obj {
C.cfish_decref(unsafe.Pointer(inventryIvars.value))
inventryIvars.value = C.cfish_inc_refcount(unsafe.Pointer(obj))
}
C.LUCY_Inverter_Add_Field(inverter, inventry)
}
C.cfish_dec_refcount(unsafe.Pointer(iter))
}
func (obj *HitsIMP) Next(hit interface{}) bool {
self := ((*C.lucy_Hits)(unsafe.Pointer(obj.TOPTR())))
// TODO: accept a HitDoc object and populate score.
// Get reflection value and type for the supplied struct.
var hitValue reflect.Value
if reflect.ValueOf(hit).Kind() == reflect.Ptr {
temp := reflect.ValueOf(hit).Elem()
if temp.Kind() == reflect.Struct {
if temp.CanSet() {
hitValue = temp
}
}
}
if hitValue == (reflect.Value{}) {
mess := fmt.Sprintf("Arg not writeable struct pointer: %v",
reflect.TypeOf(hit))
obj.err = clownfish.NewErr(mess)
return false
}
var docC *C.lucy_HitDoc
errCallingNext := clownfish.TrapErr(func() {
docC = C.LUCY_Hits_Next(self)
})
if errCallingNext != nil {
obj.err = errCallingNext
return false
}
if docC == nil {
return false
}
defer C.cfish_dec_refcount(unsafe.Pointer(docC))
fields := (*C.cfish_Hash)(unsafe.Pointer(C.LUCY_HitDoc_Get_Fields(docC)))
iterator := C.cfish_HashIter_new(fields)
defer C.cfish_dec_refcount(unsafe.Pointer(iterator))
for C.CFISH_HashIter_Next(iterator) {
keyC := C.CFISH_HashIter_Get_Key(iterator)
valC := C.CFISH_HashIter_Get_Value(iterator)
key := clownfish.CFStringToGo(unsafe.Pointer(keyC))
val := clownfish.CFStringToGo(unsafe.Pointer(valC))
match := func(name string) bool {
return strings.EqualFold(key, name)
}
structField := hitValue.FieldByNameFunc(match)
if structField != (reflect.Value{}) {
structField.SetString(val)
}
}
return true
}
func HashToGo(ptr unsafe.Pointer) map[string]interface{} {
hash := (*C.cfish_Hash)(ptr)
if hash == nil {
return nil
}
class := C.cfish_Obj_get_class((*C.cfish_Obj)(ptr))
if class != C.CFISH_HASH {
mess := "Not a Hash: " + StringToGo(unsafe.Pointer(C.CFISH_Class_Get_Name(class)))
panic(NewErr(mess))
}
size := C.CFISH_Hash_Get_Size(hash)
m := make(map[string]interface{}, int(size))
iter := C.cfish_HashIter_new(hash)
defer C.cfish_dec_refcount(unsafe.Pointer(iter))
for C.CFISH_HashIter_Next(iter) {
key := C.CFISH_HashIter_Get_Key(iter)
val := C.CFISH_HashIter_Get_Value(iter)
m[StringToGo(unsafe.Pointer(key))] = ToGo(unsafe.Pointer(val))
}
return m
}
