func (m Model) NewLattice() (Lattice, error) {
lattice := C.mecab_model_new_lattice(m.model)
if lattice == nil {
return Lattice{}, errors.New("lattice is not created")
}
return Lattice{lattice: lattice}, nil
}
// Parses a sentence using mecab
func mecabParser(q chan mecabRequest) {
model := C.mecab_model_new2(C.CString(""))
if model == nil {
log.Panicln("Can't create a mecab model")
}
defer C.mecab_model_destroy(model)
mecab := C.mecab_model_new_tagger(model)
if mecab == nil {
log.Panicln("Can't create a mecab tagger")
}
defer C.mecab_destroy(mecab)
lattice := C.mecab_model_new_lattice(model)
if lattice == nil {
log.Panicln("Can't create a mecab lattice")
}
defer C.mecab_lattice_destroy(lattice)
for {
req := <-q
res := make([]mecabResult, 0)
C.mecab_lattice_set_sentence(lattice, C.CString(req.Sentence))
C.mecab_parse_lattice(mecab, lattice)
lines := strings.Split(C.GoString(C.mecab_lattice_tostr(lattice)), "\n")
for _, l := range lines {
if strings.Index(l, "EOS") != 0 {
if len(l) > 1 {
res = append(res, split(l))
}
}
}
req.Result <- res
}
}