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app.go
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package main
import (
"net/http"
"html/template"
"log"
"os/exec"
"bytes"
"fmt"
"os"
)
func get_cantonese_version() string {
cmd := exec.Command("cantonese", "-v")
var stdout, stderr bytes.Buffer
cmd.Stdout = &stdout
cmd.Stderr = &stderr
cmd.Run()
outStr, errStr := string(stdout.Bytes()), string(stderr.Bytes())
if len(errStr) != 0 {
return errStr
} else {
return outStr
}
}
// func trans_to_python(code string) string {
// file, err := ioutil.TempFile("./", "temp.cantonese")
// if err != nil {
// fmf.Println(err)
// }
// defer os.Remove(file.Name())
// if _, err := file.Write([]byte(code)); err != nil{
// fmf.Println(err)
// }
// cmd := exec.Command("cantonese", "temp.cantonese", "-to_py")
// var stdout, stderr bytes.Buffer
// cmd.Stdout = &stdout
// cmd.Stderr = &stderr
// cmd.Run()
// outStr, errStr := string(stdout.Bytes()), string(stderr.Bytes())
// if len(errStr) != 0 {
// return errStr
// } else {
// return outStr
// }
// }
func editor_page(w http.ResponseWriter, r *http.Request) {
if r.Method == "GET" {
version := get_cantonese_version()
t, _ := template.ParseFiles("./index.html")
log.Println(t.Execute(w, version))
}
}
func main() {
http.HandleFunc("/", editor_page)
// http.HandleFunc("api/compile", trans_to_python)
err := http.ListenAndServe(":9000", nil)
if err != nil {
log.Fatal("ListenAndServe: ", err)
}
}