forked from mirror/go-json
80 lines
1.6 KiB
Go
80 lines
1.6 KiB
Go
package json
|
|
|
|
type arrayDecoder struct {
|
|
elemType *rtype
|
|
size uintptr
|
|
valueDecoder decoder
|
|
alen int
|
|
}
|
|
|
|
func newArrayDecoder(dec decoder, elemType *rtype, alen int) *arrayDecoder {
|
|
return &arrayDecoder{
|
|
valueDecoder: dec,
|
|
elemType: elemType,
|
|
size: elemType.Size(),
|
|
alen: alen,
|
|
}
|
|
}
|
|
|
|
func (d *arrayDecoder) decodeStream(s *stream, p uintptr) error {
|
|
for {
|
|
switch s.char() {
|
|
case ' ', '\n', '\t', '\r':
|
|
case '[':
|
|
idx := 0
|
|
for {
|
|
s.progress()
|
|
if err := d.valueDecoder.decodeStream(s, p+uintptr(idx)*d.size); err != nil {
|
|
return err
|
|
}
|
|
s.skipWhiteSpace()
|
|
switch s.char() {
|
|
case ']':
|
|
s.progress()
|
|
return nil
|
|
case ',':
|
|
idx++
|
|
default:
|
|
return errInvalidCharacter(s.char(), "array", s.offset)
|
|
}
|
|
}
|
|
default:
|
|
return errUnexpectedEndOfJSON("array", s.offset)
|
|
}
|
|
s.progress()
|
|
}
|
|
return errUnexpectedEndOfJSON("array", s.offset)
|
|
}
|
|
|
|
func (d *arrayDecoder) decode(buf []byte, cursor int64, p uintptr) (int64, error) {
|
|
buflen := int64(len(buf))
|
|
for ; cursor < buflen; cursor++ {
|
|
switch buf[cursor] {
|
|
case ' ', '\n', '\t', '\r':
|
|
continue
|
|
case '[':
|
|
idx := 0
|
|
for {
|
|
cursor++
|
|
c, err := d.valueDecoder.decode(buf, cursor, p+uintptr(idx)*d.size)
|
|
if err != nil {
|
|
return 0, err
|
|
}
|
|
cursor = c
|
|
cursor = skipWhiteSpace(buf, cursor)
|
|
switch buf[cursor] {
|
|
case ']':
|
|
cursor++
|
|
return cursor, nil
|
|
case ',':
|
|
idx++
|
|
continue
|
|
default:
|
|
return 0, errInvalidCharacter(buf[cursor], "array", cursor)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return 0, errUnexpectedEndOfJSON("array", cursor)
|
|
}
|