move dependencies to vendor

vendor/github.com/kless/term/readline/read.go

@@ -0,0 +1,86 @@
+// Copyright 2010 Jonas mg
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+package readline
+
+import "github.com/kless/term"
+
+// Default values for prompts.
+const (
+	PS1 = "$ "
+	PS2 = "> "
+)
+
+// keyAction represents the action to run for a key or sequence of keys pressed.
+type keyAction int
+
+const (
+	_ keyAction = iota
+	_LEFT
+	_RIGHT
+	_UP
+	_DOWN
+
+	_HOME
+	_END
+)
+
+// To detect if has been pressed CTRL-C
+var ChanCtrlC = make(chan byte)
+
+// To detect if has been pressed CTRL-D
+var ChanCtrlD = make(chan byte)
+
+// A Line represents a line in the term.
+type Line struct {
+	ter  *term.Terminal
+	buf  *buffer  // Text buffer
+	hist *history // History file
+
+	ps1    string // Primary prompt
+	ps2    string // Command continuations
+	lenPS1 int    // Size of primary prompt
+
+	useHistory bool
+}
+
+// NewDefaultLine returns a line type using the prompt by default, and setting
+// the terminal to raw mode.
+// If the history is nil then it is not used.
+func NewDefaultLine(hist *history) (*Line, error) {
+	ter, err := term.New()
+	if err != nil {
+		return nil, err
+	}
+	if err = ter.RawMode(); err != nil {
+		return nil, err
+	}
+
+	_, col, err := ter.GetSize()
+	if err != nil {
+		return nil, err
+	}
+
+	buf := newBuffer(len(PS1), col)
+	buf.insertRunes([]rune(PS1))
+
+	return &Line{
+		ter: ter,
+		buf: buf,
+		hist: hist,
+
+		ps1: PS1,
+		ps2: PS2,
+		lenPS1: len(PS1),
+
+		useHistory: hasHistory(hist),
+	}, nil
+}
+
+// Restore restores the terminal settings, so it is disabled the raw mode.
+func (ln *Line) Restore() error {
+	return ln.ter.Restore()
+}