Adds readme and license info

README.md

@@ -0,0 +1,20 @@
+# qline
+
+qline provides one function: provide an editable input field to the user along with a prompt and initial data.
+
+Unlike readline, editline, linenoise, etc. there is no history, no word jumping, or other builtin features. Just a simple, navigable, editable line of text with an optional prompt.
+
+## Usage
+
+``` go
+var prompt string = "> "
+var default string = "Edit Me"
+var in string = qline.GetInput(prompt, default)
+```
+
+Arrow keys, backspace, delete, home, and end all work as one might expect. There are no CTRL keys, no vi mode, etc.
+
+## License
+
+qline is available under the MIT license. A copy of which is included as a comment in the sole source code file for this package.
+

qline.go

@@ -1,5 +1,34 @@
 package qline
 
+// qline is a line input library for terminals that utilize
+// vt100 compatible escape sequences
+//
+// Copyright © 2021 Brian Evans
+//
+// Permission is hereby granted, free of charge, to any
+// person obtaining a copy of this software and associated
+// documentation files (the “Software”), to deal in the
+// Software without restriction, including without
+// limitation the rights to use, copy, modify, merge,
+// publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software
+// is furnished to do so, subject to the following
+// conditions:
+//
+// The above copyright notice and this permission notice
+// shall be included in all copies or substantial portions
+// of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+// KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO
+// THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+// PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+// CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+
 import (
 	"bufio"
 	"fmt"
@@ -17,7 +46,6 @@ const (
 	Delete
 	Home
 	End
-	PrintScreen
 	PageUp
 	PageDown
 	Escape rune = 27
@@ -225,6 +253,7 @@ func readKey(reader *bufio.Reader) (rune, error) {
 		case isDeleteKey(escSeq):
 			char = Delete
 		case escSeq[len(escSeq)-1] == 'R':
+			// This is a request for cursor position
 			_, cols, err := parseCursorPosition(escSeq)
 			if err == nil {
 				err = fmt.Errorf("response")
@@ -271,33 +300,3 @@ func isEndKey(seq string) bool {
 	}
 }
 
-func PrintKey(k rune) {
-	switch true {
-	case k == UpArrow:
-		fmt.Println("UpArrow")
-	case k == DownArrow:
-		fmt.Println("DownArrow")
-	case k == LeftArrow:
-		fmt.Println("LeftArrow")
-	case k == RightArrow:
-		fmt.Println("RightArrow")
-	case k == Escape:
-		fmt.Println("Escape")
-	case k == NewLine:
-		fmt.Println("NewLine")
-	case k == CarriageReturn:
-		fmt.Println("CarriageReturn")
-	case k == Delete:
-		fmt.Println("Delete")
-	case k == Home:
-		fmt.Println("Home")
-	case k == End:
-		fmt.Println("End")
-	case k == BackSpace:
-		fmt.Println("BackSpace")
-	default:
-		fmt.Printf("%c (%d)\n", k, k)
-	}
-
-}
-