-
-
Notifications
You must be signed in to change notification settings - Fork 47
/
gherkin-generate-tokens.go
99 lines (87 loc) · 1.94 KB
/
gherkin-generate-tokens.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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
package main
import (
"fmt"
gherkin "github.com/cucumber/gherkin/go/v27"
"io"
"os"
"strings"
)
func main() {
var readers []io.Reader
if len(os.Args) <= 1 {
readers = append(readers, os.Stdin)
} else {
for i := range os.Args[1:] {
file, err := os.Open(os.Args[i+1])
if err != nil {
fmt.Fprintf(os.Stderr, "Error: %s\n", err)
os.Exit(1)
return
}
defer file.Close()
readers = append(readers, file)
}
}
for i := range readers {
err := GenerateTokens(readers[i], os.Stdout)
if err != nil {
fmt.Fprintf(os.Stderr, "Error: %s\n", err)
os.Exit(1)
return
}
}
}
type tokenGenerator struct {
out io.Writer
}
func FormatToken(token *gherkin.Token) string {
if token.IsEOF() {
return "EOF"
}
var items []string
for i := range token.Items {
items = append(items, token.Items[i].String())
}
var keyword string
if token.Keyword == "" {
keyword = token.Keyword
} else if token.KeywordType == "" {
keyword = fmt.Sprintf("()%s", token.Keyword)
} else {
keyword = fmt.Sprintf("(%s)%s", token.KeywordType, token.Keyword)
}
var text string
if token.Type.Name() == "Empty" {
text = ""
} else {
text = token.Text
}
return fmt.Sprintf("(%d:%d)%s:%s/%s/%s",
token.Location.Line,
token.Location.Column,
token.Type.Name(),
keyword,
text,
strings.Join(items, ","),
)
}
func (t *tokenGenerator) Build(tok *gherkin.Token) (bool, error) {
fmt.Fprintln(t.out, FormatToken(tok))
return true, nil
}
func (t *tokenGenerator) StartRule(r gherkin.RuleType) (bool, error) {
return true, nil
}
func (t *tokenGenerator) EndRule(r gherkin.RuleType) (bool, error) {
return true, nil
}
func (t *tokenGenerator) Reset() {
}
func GenerateTokens(in io.Reader, out io.Writer) error {
builder := &tokenGenerator{out}
parser := gherkin.NewParser(builder)
parser.StopAtFirstError(true)
matcher := gherkin.NewMatcher(gherkin.DialectsBuiltin())
scanner := gherkin.NewScanner(in)
return parser.Parse(scanner, matcher)
}