reorganise code

Author: KevinZonda

src/debug.go

@@ -56,7 +56,9 @@ func debug(url string) bool {
 		}
 		fmt.Println("Remote Address:", url)
 		fmt.Print("IP Address: ")
-		addr, err := net.LookupIP(strings.Replace(strings.Replace(url, "https://", "", -1), "http://", "", -1))
+
+		addr, err := net.LookupIP(removeHttpAndHttps(url))
+
 		if err != nil {
 			fmt.Println("Unknown")
 		} else {

src/get.go

@@ -84,8 +84,10 @@ func parseToGetUrl(url string) string {
 	if !strings.HasPrefix(url, "https://github.com/") {
 		return url
 	}
-	query := strings.Replace(url, "https://github.com/", "", -1)
+	query := replacePrefix(url, "https://github.com/", "")
+
 	querySplit := strings.Split(query, "/")
+
 	if len(querySplit) > 3 {
 		// Source -> fastgitorg/fgit-go/blob/master/fgit.go
 		// Target -> fastgitorg/fgit-go/master/fgit.go

src/jsdget.go

@@ -30,14 +30,7 @@ func jsdget(url string, path string) {
 }
 
 func parseToJsdUrl(url string) string {
-	u := strings.Split(url, "//")
-	switch len(u) {
-	case 2:
-		url = u[1]
-	case 3:
-		fmt.Print("Cannot parse url")
-		os.Exit(1)
-	}
+	url = removeHttpAndHttps(url)
 	if !strings.HasPrefix(url, "raw.githubusercontent.com") {
 		fmt.Print("Url is not supported!")
 		os.Exit(1)

src/tools.go

@@ -68,4 +68,27 @@ func replaceNth(s, old, new string, n int) string {
 		i += len(old)
 	}
 	return s
-}
+}
+
+func removeHttpAndHttps(url string) string {
+	if strings.HasPrefix(url, "http://") {
+		return url[7:]
+	}
+	if strings.HasPrefix(url, "https://") {
+		return url[8:]
+	}
+	return url
+}
+
+func replacePrefix(str, prefix, after string) string {
+	if len(str) < len(after) {
+		return str
+	}
+	if str == prefix {
+		return after
+	}
+
+	if strings.HasPrefix(str, prefix) {
+		return after + str[len(prefix)+1:]
+	}
+}