/
main.go
174 lines (160 loc) · 3.57 KB
/
main.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
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
package main
import (
"bytes"
"fmt"
"github.com/gobuffalo/packr/v2"
"regexp"
"github.com/urfave/cli"
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"strings"
"text/template"
)
func main() {
app := cli.NewApp()
app.Name = ""
app.Usage = "SubScan Plugin gen"
app.UsageText = "pluginName [options]"
app.HideVersion = true
app.Flags = []cli.Flag{
&cli.StringFlag{
Name: "d",
Value: "",
Usage: "Specify the plugin where the project is located",
Destination: &p.path,
},
}
if len(os.Args) < 2 || strings.HasPrefix(os.Args[1], "-") {
_ = app.Run([]string{"-h"})
return
}
p.Name = os.Args[1]
app.Action = runNew
args := append([]string{os.Args[0]}, os.Args[2:]...)
err := app.Run(args)
if err != nil {
panic(err)
}
}
type Plugin struct {
Name string
ModClass string
ModPrefix string
path string
ModPath string
}
var p Plugin
func runNew(_ *cli.Context) (err error) {
if p.path != "" {
if p.path, err = filepath.Abs(p.path); err != nil {
return
}
p.path = filepath.Join(p.path, p.Name)
} else {
pwd, _ := os.Getwd()
p.path = filepath.Join(pwd, p.Name)
}
p.ModPrefix = p.Name
p.ModPath = modPath(p.path)
pathSlice := strings.Split(p.Name, "/")
p.Name = pathSlice[len(pathSlice)-1]
p.ModClass = upperCamel(p.Name)
if err := create(); err != nil {
return err
}
fmt.Printf("Plugin: %s\n", p.Name)
fmt.Printf("Directory: %s\n\n", p.path)
return nil
}
//go:generate packr2
func create() (err error) {
box := packr.New("all", "./templates/plugin")
if err = os.MkdirAll(p.path, 0755); err != nil {
return
}
for _, name := range box.List() {
if p.ModPrefix == "" {
continue
}
tmpl, _ := box.FindString(name)
i := strings.LastIndex(name, string(os.PathSeparator))
if i > 0 {
dir := name[:i]
if err = os.MkdirAll(filepath.Join(p.path, dir), 0755); err != nil {
return
}
}
if strings.HasSuffix(name, ".tmpl") {
name = strings.TrimSuffix(name, ".tmpl")
}
if err = write(filepath.Join(p.path, name), tmpl); err != nil {
return
}
}
if err = generate("./..."); err != nil {
return
}
return
}
func generate(path string) error {
cmd := exec.Command("go", "generate", "-x", path)
cmd.Dir = p.path
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return nil
}
func write(path, tpl string) (err error) {
data, err := parse(tpl)
if err != nil {
return
}
return ioutil.WriteFile(path, data, 0644)
}
func parse(s string) ([]byte, error) {
t, err := template.New("").Parse(s)
if err != nil {
return nil, err
}
var buf bytes.Buffer
if err = t.Execute(&buf, p); err != nil {
return nil, err
}
return buf.Bytes(), nil
}
func upperCamel(s string) string {
if len(s) == 0 {
return ""
}
s = strings.ToUpper(string(s[0])) + s[1:]
return s
}
func modPath(p string) string {
dir := filepath.Dir(p)
for {
if _, err := os.Stat(filepath.Join(dir, "go.mod")); err == nil {
content, _ := ioutil.ReadFile(filepath.Join(dir, "go.mod"))
mod := regexpReplace(`module\s+(?P<name>[\S]+)`, string(content), "$name")
name := strings.TrimPrefix(filepath.Dir(p), dir)
name = strings.TrimPrefix(name, string(os.PathSeparator))
if name == "" {
return fmt.Sprintf("%s/", mod)
}
return fmt.Sprintf("%s/%s/", mod, name)
}
parent := filepath.Dir(dir)
if dir == parent {
return ""
}
dir = parent
}
}
func regexpReplace(reg, src, temp string) string {
var result []byte
pattern := regexp.MustCompile(reg)
for _, submatches := range pattern.FindAllStringSubmatchIndex(src, -1) {
result = pattern.ExpandString(result, temp, src, submatches)
}
return string(result)
}