1 package decoder
2
3 import (
4 "fmt"
5 "unsafe"
6
7 "github.com/goccy/go-json/internal/errors"
8 )
9
10 type boolDecoder struct {
11 structName string
12 fieldName string
13 }
14
15 func newBoolDecoder(structName, fieldName string) *boolDecoder {
16 return &boolDecoder{structName: structName, fieldName: fieldName}
17 }
18
19 func (d *boolDecoder) DecodeStream(s *Stream, depth int64, p unsafe.Pointer) error {
20 c := s.skipWhiteSpace()
21 for {
22 switch c {
23 case 't':
24 if err := trueBytes(s); err != nil {
25 return err
26 }
27 **(**bool)(unsafe.Pointer(&p)) = true
28 return nil
29 case 'f':
30 if err := falseBytes(s); err != nil {
31 return err
32 }
33 **(**bool)(unsafe.Pointer(&p)) = false
34 return nil
35 case 'n':
36 if err := nullBytes(s); err != nil {
37 return err
38 }
39 return nil
40 case nul:
41 if s.read() {
42 c = s.char()
43 continue
44 }
45 goto ERROR
46 }
47 break
48 }
49 ERROR:
50 return errors.ErrUnexpectedEndOfJSON("bool", s.totalOffset())
51 }
52
53 func (d *boolDecoder) Decode(ctx *RuntimeContext, cursor, depth int64, p unsafe.Pointer) (int64, error) {
54 buf := ctx.Buf
55 cursor = skipWhiteSpace(buf, cursor)
56 switch buf[cursor] {
57 case 't':
58 if err := validateTrue(buf, cursor); err != nil {
59 return 0, err
60 }
61 cursor += 4
62 **(**bool)(unsafe.Pointer(&p)) = true
63 return cursor, nil
64 case 'f':
65 if err := validateFalse(buf, cursor); err != nil {
66 return 0, err
67 }
68 cursor += 5
69 **(**bool)(unsafe.Pointer(&p)) = false
70 return cursor, nil
71 case 'n':
72 if err := validateNull(buf, cursor); err != nil {
73 return 0, err
74 }
75 cursor += 4
76 return cursor, nil
77 }
78 return 0, errors.ErrUnexpectedEndOfJSON("bool", cursor)
79 }
80
81 func (d *boolDecoder) DecodePath(ctx *RuntimeContext, cursor, depth int64) ([][]byte, int64, error) {
82 return nil, 0, fmt.Errorf("json: bool decoder does not support decode path")
83 }
84
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