From 18f6d954a7bd56d87bf2d006af28d2a53082b70a Mon Sep 17 00:00:00 2001
From: Gokcehan <gokcehankara@gmail.com>
Date: Mon, 14 May 2018 01:30:53 +0300
Subject: [PATCH] add 'cmd-uppercase-word' to upcase word to end

---
 doc.go       |  1 +
 docstring.go |  1 +
 eval.go      | 10 ++++++++++
 opts.go      |  1 +
 4 files changed, 13 insertions(+)

diff --git a/doc.go b/doc.go
index d511b2b..2b7da17 100644
--- a/doc.go
+++ b/doc.go
@@ -75,6 +75,7 @@ keybindings:
     cmd-word-back         (default '<a-b>')
     cmd-capitalize-word   (default '<a-c>')
     cmd-delete-word       (default '<a-d>')
+    cmd-uppercase-word    (default '<a-u>')
 
 The following options can be used to customize the behavior of lf:
 
diff --git a/docstring.go b/docstring.go
index 7a8c150..ebf6da4 100644
--- a/docstring.go
+++ b/docstring.go
@@ -79,6 +79,7 @@ keybindings:
     cmd-word-back         (default '<a-b>')
     cmd-capitalize-word   (default '<a-c>')
     cmd-delete-word       (default '<a-d>')
+    cmd-uppercase-word    (default '<a-u>')
 
 The following options can be used to customize the behavior of lf:
 
diff --git a/eval.go b/eval.go
index 66d72d0..8a29b98 100644
--- a/eval.go
+++ b/eval.go
@@ -651,6 +651,16 @@ func (e *callExpr) eval(app *app, args []string) {
 			ind := loc[0] + 1
 			app.ui.cmdAccRight = app.ui.cmdAccRight[ind:]
 		}
+	case "cmd-uppercase-word":
+		if len(app.ui.cmdAccRight) > 0 {
+			loc := reWordEnd.FindStringIndex(string(app.ui.cmdAccRight))
+			if loc == nil {
+				return
+			}
+			ind := loc[0] + 1
+			app.ui.cmdAccLeft = append(app.ui.cmdAccLeft, []rune(strings.ToUpper(string(app.ui.cmdAccRight[:ind])))...)
+			app.ui.cmdAccRight = app.ui.cmdAccRight[ind:]
+		}
 	default:
 		cmd, ok := gOpts.cmds[e.name]
 		if !ok {
diff --git a/opts.go b/opts.go
index 9764b49..746b39e 100644
--- a/opts.go
+++ b/opts.go
@@ -146,6 +146,7 @@ func init() {
 	gOpts.cmdkeys["<a-b>"] = &callExpr{"cmd-word-back", nil, 1}
 	gOpts.cmdkeys["<a-c>"] = &callExpr{"cmd-capitalize-word", nil, 1}
 	gOpts.cmdkeys["<a-d>"] = &callExpr{"cmd-delete-word", nil, 1}
+	gOpts.cmdkeys["<a-u>"] = &callExpr{"cmd-uppercase-word", nil, 1}
 
 	// TODO: implement the rest of readline keys