go-json/decode_unmarshal_text.go

33 lines
655 B
Go

package json
import (
"encoding"
"unsafe"
)
type unmarshalTextDecoder struct {
typ *rtype
}
func newUnmarshalTextDecoder(typ *rtype) *unmarshalTextDecoder {
return &unmarshalTextDecoder{typ: typ}
}
func (d *unmarshalTextDecoder) decode(buf []byte, cursor int, p uintptr) (int, error) {
cursor = skipWhiteSpace(buf, cursor)
start := cursor
end, err := skipValue(buf, cursor)
if err != nil {
return 0, err
}
src := buf[start:end]
v := *(*interface{})(unsafe.Pointer(&interfaceHeader{
typ: d.typ,
ptr: unsafe.Pointer(p),
}))
if err := v.(encoding.TextUnmarshaler).UnmarshalText(src); err != nil {
return 0, err
}
return end, nil
}