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
80
81
82
83
|
// Tomll is a linter for TOML
//
// Usage:
// cat file.toml | tomll > file_linted.toml
// tomll file1.toml file2.toml # lint the two files in place
package main
import (
"bytes"
"flag"
"fmt"
"io"
"io/ioutil"
"os"
"github.com/pelletier/go-toml"
)
func main() {
multiLineArray := flag.Bool("multiLineArray", false, "sets up the linter to encode arrays with more than one element on multiple lines instead of one.")
flag.Usage = func() {
fmt.Fprintln(os.Stderr, "tomll can be used in two ways:")
fmt.Fprintln(os.Stderr, "Writing to STDIN and reading from STDOUT:")
fmt.Fprintln(os.Stderr, " cat file.toml | tomll > file.toml")
fmt.Fprintln(os.Stderr, "")
fmt.Fprintln(os.Stderr, "Reading and updating a list of files:")
fmt.Fprintln(os.Stderr, " tomll a.toml b.toml c.toml")
fmt.Fprintln(os.Stderr, "")
fmt.Fprintln(os.Stderr, "When given a list of files, tomll will modify all files in place without asking.")
fmt.Fprintln(os.Stderr, "When given a list of files, tomll will modify all files in place without asking.")
fmt.Fprintln(os.Stderr, "")
fmt.Fprintln(os.Stderr, "Flags:")
fmt.Fprintln(os.Stderr, "-multiLineArray sets up the linter to encode arrays with more than one element on multiple lines instead of one.")
}
flag.Parse()
// read from stdin and print to stdout
if flag.NArg() == 0 {
s, err := lintReader(os.Stdin, *multiLineArray)
if err != nil {
io.WriteString(os.Stderr, err.Error())
os.Exit(-1)
}
io.WriteString(os.Stdout, s)
} else {
// otherwise modify a list of files
for _, filename := range flag.Args() {
s, err := lintFile(filename, *multiLineArray)
if err != nil {
io.WriteString(os.Stderr, err.Error())
os.Exit(-1)
}
ioutil.WriteFile(filename, []byte(s), 0644)
}
}
}
func lintFile(filename string, multiLineArray bool) (string, error) {
tree, err := toml.LoadFile(filename)
if err != nil {
return "", err
}
buf := new(bytes.Buffer)
if err := toml.NewEncoder(buf).ArraysWithOneElementPerLine(multiLineArray).Encode(tree); err != nil {
panic(err)
}
return buf.String(), nil
}
func lintReader(r io.Reader, multiLineArray bool) (string, error) {
tree, err := toml.LoadReader(r)
if err != nil {
return "", err
}
buf := new(bytes.Buffer)
if err := toml.NewEncoder(buf).ArraysWithOneElementPerLine(multiLineArray).Encode(tree); err != nil {
panic(err)
}
return buf.String(), nil
}
|
