func decode_stdin(encs []mojibake.Encoding) int {
decoder, err := mojibake.NewDecoder(os.Stdout, encs...)
if err != nil && !*flag_force {
fmt.Fprintf(os.Stderr, "unmoji: %v\n", err)
return 1
}
io.Copy(decoder, os.Stdin)
err = decoder.Close()
if err != nil && !*flag_force {
fmt.Fprintf(os.Stderr, "unmoji: %v\n", err)
return 1
}
return 0
}
func decode_args(encs []mojibake.Encoding) int {
if flag.NArg() == 0 {
return 0
}
buf := new(bytes.Buffer)
dec, err := mojibake.NewDecoder(buf, encs...)
if err != nil {
fmt.Fprintf(os.Stderr, "unmoji: %v\n", err)
return 1
}
decoded := make([]string, 0, flag.NArg())
args := flag.Args()
// need this in case any of them error and -f is given
// so we can selectively include input filenames
input := make([]string, 0, len(args))
for _, garbled := range args {
r := strings.NewReader(garbled)
io.Copy(dec, r)
_, err := dec.Flush()
if err != nil {
if *flag_force {
continue
}
fmt.Fprintf(os.Stderr, "unmoji: %v\n", err)
dec.Close()
return 1
}
p := buf.Next(buf.Len())
input = append(input, garbled)
decoded = append(decoded, string(p))
}
dec.Close()
if !*flag_rename {
for _, s := range decoded {
fmt.Println(s)
}
return 0
}
if !*flag_really {
for i, filename := range input {
fmt.Printf("\"%s\" → \"%s\"\n", filename, decoded[i])
}
return 0
}
for i, filename := range input {
if filename == decoded[i] && !*flag_force {
fmt.Fprintf(os.Stderr, "unmoji: rename \"%s\": source and destination are the same\n", filename)
return 1
}
err := os.Rename(filename, decoded[i])
if err != nil && !*flag_force {
fmt.Fprintf(os.Stderr, "unmoji: %v\n", err)
return 1
}
}
return 0
}