1 files changed, 137 insertions, 0 deletions
diff --git a/vendor/github.com/morikuni/aec/aec.go b/vendor/github.com/morikuni/aec/aec.go
new file mode 100644
index 000000000..566be6eb1
--- /dev/null
+++ b/vendor/github.com/morikuni/aec/aec.go
@@ -0,0 +1,137 @@
+package aec
+
+import "fmt"
+
+// EraseMode is listed in a variable EraseModes.
+type EraseMode uint
+
+var (
+	// EraseModes is a list of EraseMode.
+	EraseModes struct {
+		// All erase all.
+		All EraseMode
+
+		// Head erase to head.
+		Head EraseMode
+
+		// Tail erase to tail.
+		Tail EraseMode
+	}
+
+	// Save saves the cursor position.
+	Save ANSI
+
+	// Restore restores the cursor position.
+	Restore ANSI
+
+	// Hide hides the cursor.
+	Hide ANSI
+
+	// Show shows the cursor.
+	Show ANSI
+
+	// Report reports the cursor position.
+	Report ANSI
+)
+
+// Up moves up the cursor.
+func Up(n uint) ANSI {
+	if n == 0 {
+		return empty
+	}
+	return newAnsi(fmt.Sprintf(esc+"%dA", n))
+}
+
+// Down moves down the cursor.
+func Down(n uint) ANSI {
+	if n == 0 {
+		return empty
+	}
+	return newAnsi(fmt.Sprintf(esc+"%dB", n))
+}
+
+// Right moves right the cursor.
+func Right(n uint) ANSI {
+	if n == 0 {
+		return empty
+	}
+	return newAnsi(fmt.Sprintf(esc+"%dC", n))
+}
+
+// Left moves left the cursor.
+func Left(n uint) ANSI {
+	if n == 0 {
+		return empty
+	}
+	return newAnsi(fmt.Sprintf(esc+"%dD", n))
+}
+
+// NextLine moves down the cursor to head of a line.
+func NextLine(n uint) ANSI {
+	if n == 0 {
+		return empty
+	}
+	return newAnsi(fmt.Sprintf(esc+"%dE", n))
+}
+
+// PreviousLine moves up the cursor to head of a line.
+func PreviousLine(n uint) ANSI {
+	if n == 0 {
+		return empty
+	}
+	return newAnsi(fmt.Sprintf(esc+"%dF", n))
+}
+
+// Column set the cursor position to a given column.
+func Column(col uint) ANSI {
+	return newAnsi(fmt.Sprintf(esc+"%dG", col))
+}
+
+// Position set the cursor position to a given absolute position.
+func Position(row, col uint) ANSI {
+	return newAnsi(fmt.Sprintf(esc+"%d;%dH", row, col))
+}
+
+// EraseDisplay erases display by given EraseMode.
+func EraseDisplay(m EraseMode) ANSI {
+	return newAnsi(fmt.Sprintf(esc+"%dJ", m))
+}
+
+// EraseLine erases lines by given EraseMode.
+func EraseLine(m EraseMode) ANSI {
+	return newAnsi(fmt.Sprintf(esc+"%dK", m))
+}
+
+// ScrollUp scrolls up the page.
+func ScrollUp(n int) ANSI {
+	if n == 0 {
+		return empty
+	}
+	return newAnsi(fmt.Sprintf(esc+"%dS", n))
+}
+
+// ScrollDown scrolls down the page.
+func ScrollDown(n int) ANSI {
+	if n == 0 {
+		return empty
+	}
+	return newAnsi(fmt.Sprintf(esc+"%dT", n))
+}
+
+func init() {
+	EraseModes = struct {
+		All  EraseMode
+		Head EraseMode
+		Tail EraseMode
+	}{
+		Tail: 0,
+		Head: 1,
+		All:  2,
+	}
+
+	Save = newAnsi(esc + "s")
+	Restore = newAnsi(esc + "u")
+	Hide = newAnsi(esc + "?25l")
+	Show = newAnsi(esc + "?25h")
+	Report = newAnsi(esc + "6n")
+}