// 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
}
}
// Parse a lattice with this tagger
func (t *Tagger) ParseLattice(l *Lattice) error {
C.mecab_parse_lattice(t.tagger, l.lattice)
return t.getLastError()
}
func (t *Tagger) parse(l *Lattice) int {
return int(C.mecab_parse_lattice(t.toMecabT(), l.toMecabLatticeT()))
}
// ParseLattice is a method to parse lattice object.
// Return true if lattice is parsed successfully. A sentence must be set to the lattice with Lattice:set_sentence object before calling this method. Parsed node object can be obtained with Lattice:bos_node. This method is thread safe.
func (t *Tagger) ParseLattice(lattice *Lattice) int {
l := lattice.toMecabLatticeT()
return (int)(C.mecab_parse_lattice(t.toMecabT(), l))
}