-
Notifications
You must be signed in to change notification settings - Fork 0
/
model.go
69 lines (54 loc) · 1.04 KB
/
model.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
package mecab
/*
#cgo LDFLAGS: -lmecab -lstdc++
#include <mecab.h>
#include <stdlib.h>
*/
import "C"
import (
"errors"
"unsafe"
)
type Model struct {
model *C.mecab_model_t
}
func (m *Model) getLastError() error {
cstr := C.mecab_strerror(nil)
if cstr == nil {
return nil
}
str := C.GoString(cstr)
if len(str) == 0 {
return nil
}
return errors.New(str)
}
func NewModel(s string) (*Model, error) {
cs := C.CString(s)
defer C.free(unsafe.Pointer(cs))
model := C.mecab_model_new2(cs)
m := Model{model: model}
if model == nil {
return &m, m.getLastError()
}
return &m, nil
}
func (m *Model) Destroy() {
C.mecab_model_destroy(m.model)
}
func (m *Model) NewTagger() (*Tagger, error) {
tagger := C.mecab_model_new_tagger(m.model)
t := Tagger{tagger: tagger}
if tagger == nil {
return &t, m.getLastError()
}
return &t, nil
}
func (m *Model) NewLattice() (*Lattice, error) {
lattice := C.mecab_model_new_lattice(m.model)
l := Lattice{lattice: lattice}
if lattice == nil {
return &l, m.getLastError()
}
return &l, nil
}