Adds UP hot key

bombadillo.1

@@ -111,6 +111,10 @@ Reload the current page (does not destroy forward history).
 Quick navigation to the first 10 links on a page. The 0 key will navigate to the link numbered '10', all other numbers navigate to their matching link number.
 .TP
 .B
+U
+Move up a level in the current url path. \fI/mydir/mysubdir/myfile.txt\fP would become \fI/mydir/mysubdir/\fP, and so on.
+.TP
+.B
 u
 Scroll up an amount corresponding to 75% of your terminal window height in the current document.
 .TP

client.go

@@ -146,42 +146,47 @@ func (c *client) TakeControlInput() {
 
 	switch input {
 	case '1', '2', '3', '4', '5', '6', '7', '8', '9', '0':
+		// Quick link
 		if input == '0' {
 			c.goToLink("10")
 		} else {
 			c.goToLink(string(input))
 		}
 	case 'j':
-		// scroll down one line
+		// Scroll down one line
 		c.ClearMessage()
 		c.Scroll(1)
 	case 'k':
-		// scroll up one line
+		// Scroll up one line
 		c.ClearMessage()
 		c.Scroll(-1)
 	case 'q':
-		// quit bombadillo
+		// Quit
 		cui.Exit(0, "")
 	case 'g':
-		// scroll to top
+		// Scroll to top
 		c.ClearMessage()
 		c.Scroll(-len(c.PageState.History[c.PageState.Position].WrappedContent))
 	case 'G':
-		// scroll to bottom
+		// Scroll to bottom
 		c.ClearMessage()
 		c.Scroll(len(c.PageState.History[c.PageState.Position].WrappedContent))
 	case 'd':
-		// scroll down 75%
+		// Scroll down 75%
 		c.ClearMessage()
 		distance := c.Height - c.Height/4
 		c.Scroll(distance)
 	case 'u':
-		// scroll up 75%
+		// Scroll up 75%
 		c.ClearMessage()
 		distance := c.Height - c.Height/4
 		c.Scroll(-distance)
+	case 'U':
+		// Move up a directory for the current host
+		url := c.PageState.History[c.PageState.Position].Location.Full
+		c.Visit(UpOneDir(url))
 	case 'b', 'h':
-		// go back
+		// Go back
 		c.ClearMessage()
 		err := c.PageState.NavigateHistory(-1)
 		if err != nil {
@@ -193,6 +198,7 @@ func (c *client) TakeControlInput() {
 			c.Draw()
 		}
 	case 'R':
+		// Refresh the current page
 		c.ClearMessage()
 		err := c.ReloadPage()
 		if err != nil {
@@ -202,11 +208,11 @@ func (c *client) TakeControlInput() {
 			c.Draw()
 		}
 	case 'B':
-		// open the bookmarks browser
+		// Toggle the bookmark browser
 		c.BookMarks.ToggleOpen()
 		c.Draw()
 	case 'f', 'l':
-		// go forward
+		// Go forward
 		c.ClearMessage()
 		err := c.PageState.NavigateHistory(1)
 		if err != nil {
@@ -218,7 +224,7 @@ func (c *client) TakeControlInput() {
 			c.Draw()
 		}
 	case '\t':
-		// Toggle bookmark browser focus on/off
+		// Toggle bookmark browser focus
 		c.BookMarks.ToggleFocused()
 		c.Draw()
 	case 'n':

url.go

@@ -3,6 +3,7 @@ package main
 import (
 	"fmt"
 	"os/user"
+	"path"
 	"path/filepath"
 	"regexp"
 	"strings"
@@ -145,6 +146,24 @@ func MakeUrl(u string) (Url, error) {
 	return out, nil
 }
 
+func UpOneDir(u string) string {
+	url, err := MakeUrl(u)
+	if len(url.Resource) < 1 || err != nil {
+		return u
+	}
+	if strings.HasSuffix(url.Resource, "/") {
+		url.Resource = url.Resource[:len(url.Resource)-1]
+	}
+	url.Resource, _ = path.Split(url.Resource)
+	if url.Scheme == "gopher" {
+		url.Mime = "1"
+	}
+
+	url.Full = url.Scheme + "://" + url.Host + ":" + url.Port + "/" + url.Mime + url.Resource
+
+	return url.Full
+}
+
 func parseFinger(u string) (Url, error) {
 	var out Url
 	out.Scheme = "finger"