Makes local protocol navigable

client.go

@@ -963,13 +963,13 @@ func (c *client) handleTelnet(u Url) {
 }
 
 func (c *client) handleLocal(u Url) {
-	content, err := local.Open(u.Resource)
+	content, links, err := local.Open(u.Resource)
 	if err != nil {
 		c.SetMessage(err.Error(), true)
 		c.DrawMessage()
 		return
 	}
-	pg := MakePage(u, content, []string{})
+	pg := MakePage(u, content, links)
 	pg.WrapContent(c.Width - 1)
 	c.PageState.Add(pg)
 	c.SetPercentRead()

local/local.go

@@ -4,39 +4,53 @@ import (
 	"fmt"
 	"io/ioutil"
 	"os"
+  "path/filepath"
+  "sort"
 	"strings"
 )
 
-func Open(address string) (string, error) {
+func Open(address string) (string, []string, error) {
+  links := make([]string, 0, 10)
+
 	if !pathExists(address) {
-		return "", fmt.Errorf("Invalid system path: %s", address)
+		return "", links, fmt.Errorf("Invalid system path: %s", address)
 	}
 
 	file, err := os.Open(address)
 	if err != nil {
-		return "", fmt.Errorf("Unable to open file: %s", address)
+		return "", links, fmt.Errorf("Unable to open file: %s", address)
 	}
 	defer file.Close()
 
 	if pathIsDir(address) {
-		fileList, err := file.Readdirnames(0)
+		fileList, err := file.Readdir(0)
 		if err != nil {
-			return "", fmt.Errorf("Unable to read from directory: %s", address)
+			return "", links, fmt.Errorf("Unable to read from directory: %s", address)
 		}
 		var out strings.Builder
 		out.WriteString(fmt.Sprintf("Current directory: %s\n\n", address))
-		for _, obj := range fileList {
+
-			out.WriteString(obj)
+    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)
+      out.WriteString(fmt.Sprintf("%-5s ", linkNum))
+      out.WriteString(fmt.Sprintf("%s    ", obj.Mode().String()))
+			out.WriteString(obj.Name())
 			out.WriteString("\n")
+      fp := filepath.Join(address, obj.Name())
+      links = append(links, fp)
 		}
-		return out.String(), nil
+		return out.String(), links, nil
 	}
 
 	bytes, err := ioutil.ReadAll(file)
 	if err != nil {
-		return "", fmt.Errorf("Unable to read file: %s", address)
+		return "", links ,fmt.Errorf("Unable to read file: %s", address)
 	}
-	return string(bytes), nil
+	return string(bytes), links, nil
 }
 
 func pathExists(p string) bool {