/
decode_bool.go
74 lines (69 loc) · 1.47 KB
/
decode_bool.go
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package json
import (
"unsafe"
)
type boolDecoder struct {
structName string
fieldName string
}
func newBoolDecoder(structName, fieldName string) *boolDecoder {
return &boolDecoder{structName: structName, fieldName: fieldName}
}
func (d *boolDecoder) decodeStream(s *stream, depth int64, p unsafe.Pointer) error {
s.skipWhiteSpace()
for {
switch s.char() {
case 't':
if err := trueBytes(s); err != nil {
return err
}
**(**bool)(unsafe.Pointer(&p)) = true
return nil
case 'f':
if err := falseBytes(s); err != nil {
return err
}
**(**bool)(unsafe.Pointer(&p)) = false
return nil
case 'n':
if err := nullBytes(s); err != nil {
return err
}
return nil
case nul:
if s.read() {
continue
}
goto ERROR
}
break
}
ERROR:
return errUnexpectedEndOfJSON("bool", s.totalOffset())
}
func (d *boolDecoder) decode(buf []byte, cursor, depth int64, p unsafe.Pointer) (int64, error) {
cursor = skipWhiteSpace(buf, cursor)
switch buf[cursor] {
case 't':
if err := validateTrue(buf, cursor); err != nil {
return 0, err
}
cursor += 4
**(**bool)(unsafe.Pointer(&p)) = true
return cursor, nil
case 'f':
if err := validateFalse(buf, cursor); err != nil {
return 0, err
}
cursor += 5
**(**bool)(unsafe.Pointer(&p)) = false
return cursor, nil
case 'n':
if err := validateNull(buf, cursor); err != nil {
return 0, err
}
cursor += 4
return cursor, nil
}
return 0, errUnexpectedEndOfJSON("bool", cursor)
}