zenity/internal/zenutil/osa_generator.go
2021-02-19 17:46:47 +00:00

110 lines
2 KiB
Go

// +build ignore
package main
import (
"bytes"
"io/ioutil"
"log"
"os"
"path/filepath"
"strings"
"text/template"
"github.com/dchest/jsmin"
)
func main() {
dir := os.Args[1]
files, err := ioutil.ReadDir(dir)
if err != nil {
log.Fatal(err)
}
var str strings.Builder
for _, file := range files {
name := file.Name()
str.WriteString("\n" + `{{define "`)
str.WriteString(strings.TrimSuffix(name, filepath.Ext(name)))
str.WriteString(`" -}}` + "\n")
data, err := ioutil.ReadFile(filepath.Join(dir, name))
if err != nil {
log.Fatal(err)
}
data, err = minify(data)
if err != nil {
log.Fatal(err)
}
str.Write(data)
str.WriteString("\n{{- end}}")
}
out, err := os.Create("osa_generated.go")
if err != nil {
log.Fatal(err)
}
err = generator.Execute(out, str.String())
if err != nil {
log.Fatal(err)
}
err = out.Close()
if err != nil {
log.Fatal(err)
}
}
func minify(data []byte) ([]byte, error) {
var templates [][]byte
var buf []byte
for {
i := bytes.Index(data, []byte("{{"))
if i < 0 {
break
}
j := bytes.Index(data[i+len("{{"):], []byte("}}"))
if j < 0 {
break
}
templates = append(templates, data[i:i+j+len("{{}}")])
buf = append(buf, data[:i]...)
buf = append(buf, []byte("TEMPLATE")...)
data = data[i+j+len("{{}}"):]
}
buf = append(buf, data...)
buf, err := jsmin.Minify(buf)
if err != nil {
return nil, err
}
var res []byte
for _, t := range templates {
i := bytes.Index(buf, []byte("TEMPLATE"))
res = append(res, buf[:i]...)
res = append(res, t...)
buf = buf[i+len("TEMPLATE"):]
}
return append(res, buf...), nil
}
var generator = template.Must(template.New("").Parse(`// Code generated by zenity; DO NOT EDIT.
// +build darwin
package zenutil
import "encoding/json"
import "text/template"
var scripts = template.Must(template.New("").Funcs(template.FuncMap{"json": func(v interface{}) (string, error) {
b, err := json.Marshal(v)
return string(b), err
}}).Parse(` + "`{{.}}`" + `))
`))