Add examples

_example/get_window_size.go

@@ -0,0 +1,12 @@
+package main
+
+import (
+	"fmt"
+
+	"github.com/c-bata/go-prompt-toolkit/prompt"
+)
+
+func main() {
+	w := prompt.GetWinSize()
+	fmt.Printf("Row %d, Col %d\n", w.Row, w.Col)
+}

_example/vt100_stream.go

@@ -0,0 +1,76 @@
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"syscall"
+
+	"github.com/c-bata/go-prompt-toolkit/prompt"
+	"github.com/pkg/term/termios"
+)
+
+const fd = 0
+
+var orig syscall.Termios
+
+func SetRawMode() {
+	var t syscall.Termios
+	if err := termios.Tcgetattr(uintptr(fd), &orig); err != nil {
+		fmt.Println("Failed to get attribute")
+		return
+	}
+	t = orig
+	// "&^=" used like: https://play.golang.org/p/8eJw3JxS4O
+	t.Lflag &^= syscall.ECHO | syscall.ICANON | syscall.IEXTEN | syscall.ISIG
+	t.Cc[syscall.VMIN] = 1
+	t.Cc[syscall.VTIME] = 0
+	termios.Tcsetattr(uintptr(fd), termios.TCSANOW, (*syscall.Termios)(&t))
+}
+
+func Restore() {
+	termios.Tcsetattr(uintptr(fd), termios.TCSANOW, &orig)
+}
+
+func GetASCIICode(b []byte) (ac *prompt.ASCIICode) {
+	for _, k := range prompt.ASCII_SEQUENCES {
+		if bytes.Compare(k.ASCIICode, b) == 0 {
+			ac = k
+			return
+		}
+	}
+	return
+}
+
+func main() {
+	SetRawMode()
+	defer Restore()
+	defer fmt.Println("exited!")
+
+	bufCh := make(chan []byte, 128)
+	go readBuffer(bufCh)
+	fmt.Print("> ")
+
+	for {
+		b := <-bufCh
+		if ac := GetASCIICode(b); ac == nil {
+			fmt.Println(string(b))
+		} else {
+			if ac.Key == prompt.ControlC {
+				fmt.Println("exit.")
+				return
+			}
+			fmt.Println(ac.Key)
+		}
+		fmt.Print("> ")
+	}
+}
+
+func readBuffer(bufCh chan []byte) {
+	buf := make([]byte, 1024)
+
+	for {
+		if n, err := syscall.Read(syscall.Stdin, buf); err == nil {
+			bufCh <- buf[:n]
+		}
+	}
+}