/
guess.go
79 lines (72 loc) · 2.23 KB
/
guess.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
package facade
import (
"os"
"strings"
"github.com/goark/errs"
"github.com/goark/gnkf/ecode"
"github.com/goark/gnkf/guess"
"github.com/goark/gocli/rwi"
"github.com/spf13/cobra"
)
//newGuessCmd returns cobra.Command instance for show sub-command
func newGuessCmd(ui *rwi.RWI) *cobra.Command {
guessCmd := &cobra.Command{
Use: "guess",
Aliases: []string{"g"},
Short: "Guess character encoding of the text",
Long: "Guess character encoding of the text",
RunE: func(cmd *cobra.Command, args []string) error {
//Options
path, err := cmd.Flags().GetString("file")
if err != nil {
return debugPrint(ui, errs.New("Error in --file option", errs.WithCause(err)))
}
flagAll, err := cmd.Flags().GetBool("all")
if err != nil {
return debugPrint(ui, errs.New("Error in --all option", errs.WithCause(err)))
}
//Input stream
r := ui.Reader()
if len(path) > 0 {
file, err := os.Open(path)
if err != nil {
return debugPrint(ui, errs.Wrap(err, errs.WithContext("file", path)))
}
defer file.Close()
r = file
}
//Run command
ss, err := guess.Encoding(r)
if err != nil {
return debugPrint(ui, errs.Wrap(err, errs.WithContext("file", path)))
}
if len(ss) == 0 {
return debugPrint(ui, errs.Wrap(ecode.ErrNoData, errs.WithContext("file", path)))
}
if flagAll {
err = ui.Outputln(strings.Join(ss, "\n"))
} else {
err = ui.Outputln(ss[0])
}
return debugPrint(ui, errs.Wrap(err))
},
}
guessCmd.Flags().StringP("file", "f", "", "path of input text file")
_ = guessCmd.MarkFlagFilename("file")
guessCmd.Flags().BoolP("all", "", false, "print all guesses")
return guessCmd
}
/* Copyright 2020-2021 Spiegel
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/