terminal

README

survey/terminal

most of this package comes from github.com/k0kubun/go-ansi and has been modified to fit survey's needs.

Documentation

Index

• Constants
• Variables
• func CursorBack(n int)
• func CursorDown(n int)
• func CursorForward(n int)
• func CursorHide()
• func CursorHorizontalAbsolute(x int)
• func CursorNextLine(n int)
• func CursorPreviousLine(n int)
• func CursorShow()
• func CursorUp(n int)
• func EraseLine(mode EraseLineMode)
• func NewAnsiStderr() io.Writer
• func NewAnsiStdout() io.Writer
• func Print(a ...interface{}) (n int, err error)
• func Printf(format string, a ...interface{}) (n int, err error)
• func Println(a ...interface{}) (n int, err error)
• type EraseLineMode
• type RuneReader
  • func NewRuneReader(input *os.File) *RuneReader
  • func (rr *RuneReader) ReadLine(mask rune) ([]rune, error)
  • func (rr *RuneReader) ReadRune() (rune, int, error)
  • func (rr *RuneReader) RestoreTermMode() error
  • func (rr *RuneReader) SetTermMode() error

Constants

const (
	KeyArrowLeft       = '\x02'
	KeyArrowRight      = '\x06'
	KeyArrowUp         = '\x10'
	KeyArrowDown       = '\x0e'
	KeySpace           = ' '
	KeyEnter           = '\r'
	KeyBackspace       = '\b'
	KeyDelete          = '\x7f'
	KeyInterrupt       = '\x03'
	KeyEndTransmission = '\x04'
)

Variables

var (
	Stdout = NewAnsiStdout()
)

Functions

func CursorBack

func CursorBack(n int)

Move the cursor n cells to left.

func CursorDown

func CursorDown(n int)

Move the cursor n cells to down.

func CursorForward

func CursorForward(n int)

Move the cursor n cells to right.

func CursorHide

func CursorHide()

Hide the cursor.

func CursorHorizontalAbsolute

func CursorHorizontalAbsolute(x int)

Move cursor horizontally to x.

func CursorNextLine

func CursorNextLine(n int)

Move cursor to beginning of the line n lines down.

func CursorPreviousLine

func CursorPreviousLine(n int)

Move cursor to beginning of the line n lines up.

func CursorShow

func CursorShow()

Show the cursor.

func CursorUp

func CursorUp(n int)

Move the cursor n cells to up.

func EraseLine

func EraseLine(mode EraseLineMode)

func NewAnsiStderr

func NewAnsiStderr() io.Writer

Returns special stderr, which converts escape sequences to Windows API calls on Windows environment.

func NewAnsiStdout

func NewAnsiStdout() io.Writer

Returns special stdout, which converts escape sequences to Windows API calls on Windows environment.

func Print

func Print(a ...interface{}) (n int, err error)

Print prints given arguments with escape sequence conversion for windows.

func Printf

func Printf(format string, a ...interface{}) (n int, err error)

Printf prints a given format with escape sequence conversion for windows.

func Println

func Println(a ...interface{}) (n int, err error)

Println prints given arguments with newline and escape sequence conversion for windows.

Types

type EraseLineMode

type EraseLineMode int

const (
	ERASE_LINE_END EraseLineMode = iota
	ERASE_LINE_START
	ERASE_LINE_ALL
)

type RuneReader

type RuneReader struct {
	Input *os.File
	// contains filtered or unexported fields
}

func NewRuneReader

func NewRuneReader(input *os.File) *RuneReader

func (*RuneReader) ReadLine

func (rr *RuneReader) ReadLine(mask rune) ([]rune, error)

func (*RuneReader) ReadRune

func (rr *RuneReader) ReadRune() (rune, int, error)

func (*RuneReader) RestoreTermMode

func (rr *RuneReader) RestoreTermMode() error

func (*RuneReader) SetTermMode

func (rr *RuneReader) SetTermMode() error

For reading runes we just want to disable echo.