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- package test
- import (
- "bytes"
- "encoding"
- "encoding/base64"
- "strings"
- )
- func init() {
- testCases = append(testCases,
- (*structTextMarshaler)(nil),
- (*structTextMarshalerAlias)(nil),
- (*struct {
- S string
- M structTextMarshaler
- I int8
- })(nil),
- (*struct {
- S string
- M structTextMarshalerAlias
- I int8
- })(nil),
- )
- }
- type structTextMarshaler struct {
- X string
- }
- func (m structTextMarshaler) encode(str string) string {
- buf := bytes.Buffer{}
- b64 := base64.NewEncoder(base64.StdEncoding, &buf)
- if _, err := b64.Write([]byte(str)); err != nil {
- panic(err)
- }
- if err := b64.Close(); err != nil {
- panic(err)
- }
- return buf.String()
- }
- func (m structTextMarshaler) decode(str string) string {
- if len(str) == 0 {
- return ""
- }
- b64 := base64.NewDecoder(base64.StdEncoding, strings.NewReader(str))
- bs := make([]byte, len(str))
- if n, err := b64.Read(bs); err != nil {
- panic(err)
- } else {
- bs = bs[:n]
- }
- return string(bs)
- }
- func (m structTextMarshaler) MarshalText() ([]byte, error) {
- return []byte(`MANUAL__` + m.encode(m.X)), nil
- }
- func (m *structTextMarshaler) UnmarshalText(text []byte) error {
- m.X = m.decode(strings.TrimPrefix(string(text), "MANUAL__"))
- return nil
- }
- var _ encoding.TextMarshaler = structTextMarshaler{}
- var _ encoding.TextUnmarshaler = &structTextMarshaler{}
- type structTextMarshalerAlias structTextMarshaler
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