Adds better formatting/options for local protocol directory listings

local/local.go

@@ -23,6 +23,7 @@ func Open(address string) (string, []string, error) {
 	defer file.Close()
 
 	if pathIsDir(address) {
+		offset := 1
 		fileList, err := file.Readdir(0)
 		if err != nil {
 			return "", links, fmt.Errorf("Unable to read from directory: %s", address)
@@ -30,15 +31,31 @@ func Open(address string) (string, []string, error) {
 		var out strings.Builder
 		out.WriteString(fmt.Sprintf("Current directory: %s\n\n", address))
 
+		if address != "/" {
+			offset = 2
+			upFp := filepath.Join(address, "..")
+			upOneLevel, _ := filepath.Abs(upFp)
+			info, err := os.Stat(upOneLevel)
+			if err == nil {
+				out.WriteString("[1]   ")
+				out.WriteString(fmt.Sprintf("%-12s   ", info.Mode().String()))
+				out.WriteString("../\n")
+				links = append(links, upOneLevel)
+			}
+		}
+
 		sort.Slice(fileList, func(i, j int) bool {
 			return fileList[i].Name() < fileList[j].Name()
 		})
 
 		for i, obj := range fileList {
-      linkNum := fmt.Sprintf("[%d]", i+1)
+			linkNum := fmt.Sprintf("[%d]", i+offset)
 			out.WriteString(fmt.Sprintf("%-5s ", linkNum))
-      out.WriteString(fmt.Sprintf("%s    ", obj.Mode().String()))
+			out.WriteString(fmt.Sprintf("%-12s   ", obj.Mode().String()))
 			out.WriteString(obj.Name())
+			if obj.IsDir() {
+				out.WriteString("/")
+			}
 			out.WriteString("\n")
 			fp := filepath.Join(address, obj.Name())
 			links = append(links, fp)
@@ -48,7 +65,7 @@ func Open(address string) (string, []string, error) {
 
 	bytes, err := ioutil.ReadAll(file)
 	if err != nil {
-		return "", links ,fmt.Errorf("Unable to read file: %s", address)
+		return "", links, fmt.Errorf("Unable to read file: %s", address)
 	}
 	return string(bytes), links, nil
 }

page.go

@@ -70,7 +70,7 @@ func (p *Page) WrapContent(width int) {
 				content.WriteRune('\n')
 				counter = 0
 			}
-		} else if ch == '\r' || ch == '\v' || ch == '\b' || ch == '\f' {
+		} else if ch == '\r' || ch == '\v' || ch == '\b' || ch == '\f' || ch == '\a' {
 			// Get rid of control characters we dont want
 			continue
 		} else if ch == 27 {