windows support
This commit is contained in:
Yasuhiro Matsumoto
c-bata
parent
9ec1dc9dc5
commit
df1341fe00
6
emacs.go
6
emacs.go
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@ -1,9 +1,5 @@
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package prompt
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import (
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"syscall"
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)
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/*
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========
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@ -114,7 +110,7 @@ var emacsKeyBindings = []KeyBind{
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{
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Key: ControlL,
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Fn: func(buf *Buffer) {
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out := &VT100Writer{fd: syscall.Stdout}
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out := NewVT100StandardOutputWriter()
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out.EraseScreen()
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out.CursorGoTo(0, 0)
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},
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@ -1,7 +1,5 @@
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package prompt
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import "syscall"
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// Option is the type to replace default parameters.
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// prompt.New accepts any number of options (this is functional option pattern).
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type Option func(prompt *Prompt) error
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@ -176,10 +174,10 @@ func OptionAddKeyBind(b ...KeyBind) Option {
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// New returns a Prompt with powerful auto-completion.
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func New(executor Executor, completer Completer, opts ...Option) *Prompt {
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pt := &Prompt{
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in: &VT100Parser{fd: syscall.Stdin},
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in: NewVT100StandardInputParser(),
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renderer: &Render{
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prefix: "> ",
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out: &VT100Writer{fd: syscall.Stdout},
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out: NewVT100StandardOutputWriter(),
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prefixTextColor: Blue,
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prefixBGColor: DefaultColor,
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inputTextColor: DefaultColor,
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69
prompt.go
69
prompt.go
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@ -4,8 +4,6 @@ import (
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"io/ioutil"
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"log"
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"os"
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"os/signal"
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"syscall"
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"time"
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)
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@ -59,12 +57,12 @@ func (p *Prompt) Run() {
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bufCh := make(chan []byte, 128)
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stopReadBufCh := make(chan struct{})
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go readBuffer(bufCh, stopReadBufCh)
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go p.readBuffer(bufCh, stopReadBufCh)
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exitCh := make(chan int)
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winSizeCh := make(chan *WinSize)
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stopHandleSignalCh := make(chan struct{})
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go handleSignals(p.in, exitCh, winSizeCh, stopHandleSignalCh)
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go p.handleSignals(exitCh, winSizeCh, stopHandleSignalCh)
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for {
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select {
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@ -87,8 +85,8 @@ func (p *Prompt) Run() {
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// Set raw mode
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p.in.Setup()
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go readBuffer(bufCh, stopReadBufCh)
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go handleSignals(p.in, exitCh, winSizeCh, stopHandleSignalCh)
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go p.readBuffer(bufCh, stopReadBufCh)
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go p.handleSignals(exitCh, winSizeCh, stopHandleSignalCh)
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} else {
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p.completion.Update(*p.buf.Document())
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p.renderer.Render(p.buf, p.completion)
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@ -217,7 +215,7 @@ func (p *Prompt) Input() string {
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p.renderer.Render(p.buf, p.completion)
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bufCh := make(chan []byte, 128)
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stopReadBufCh := make(chan struct{})
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go readBuffer(bufCh, stopReadBufCh)
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go p.readBuffer(bufCh, stopReadBufCh)
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for {
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select {
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@ -249,60 +247,3 @@ func (p *Prompt) tearDown() {
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p.in.TearDown()
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p.renderer.TearDown()
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}
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func readBuffer(bufCh chan []byte, stopCh chan struct{}) {
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buf := make([]byte, maxReadBytes)
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log.Printf("[INFO] readBuffer start")
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for {
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time.Sleep(10 * time.Millisecond)
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select {
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case <-stopCh:
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log.Print("[INFO] stop readBuffer")
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return
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default:
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if n, err := syscall.Read(syscall.Stdin, buf); err == nil {
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cbuf := make([]byte, n)
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copy(cbuf, buf[:n])
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bufCh <- cbuf
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}
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}
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}
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}
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func handleSignals(in ConsoleParser, exitCh chan int, winSizeCh chan *WinSize, stop chan struct{}) {
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sigCh := make(chan os.Signal, 1)
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signal.Notify(
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sigCh,
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syscall.SIGINT,
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syscall.SIGTERM,
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syscall.SIGQUIT,
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syscall.SIGWINCH,
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)
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for {
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select {
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case <-stop:
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log.Println("[INFO] stop handleSignals")
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return
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case s := <-sigCh:
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switch s {
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case syscall.SIGINT: // kill -SIGINT XXXX or Ctrl+c
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log.Println("[SIGNAL] Catch SIGINT")
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exitCh <- 0
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case syscall.SIGTERM: // kill -SIGTERM XXXX
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log.Println("[SIGNAL] Catch SIGTERM")
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exitCh <- 1
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case syscall.SIGQUIT: // kill -SIGQUIT XXXX
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log.Println("[SIGNAL] Catch SIGQUIT")
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exitCh <- 0
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case syscall.SIGWINCH:
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log.Println("[SIGNAL] Catch SIGWINCH")
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winSizeCh <- in.GetWinSize()
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}
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}
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}
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}
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@ -0,0 +1,29 @@
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// +build !windows
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package prompt
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import (
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"log"
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"syscall"
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"time"
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)
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func (p *Prompt) readBuffer(bufCh chan []byte, stopCh chan struct{}) {
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buf := make([]byte, maxReadBytes)
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log.Printf("[INFO] readBuffer start")
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for {
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time.Sleep(10 * time.Millisecond)
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select {
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case <-stopCh:
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log.Print("[INFO] stop readBuffer")
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return
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default:
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if n, err := syscall.Read(syscall.Stdin, buf); err == nil {
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cbuf := make([]byte, n)
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copy(cbuf, buf[:n])
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bufCh <- cbuf
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}
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}
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}
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}
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@ -0,0 +1,30 @@
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// +build windows
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package prompt
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import (
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"log"
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"time"
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"unicode/utf8"
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)
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func (p *Prompt) readBuffer(bufCh chan []byte, stopCh chan struct{}) {
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buf := make([]byte, maxReadBytes)
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log.Printf("[INFO] readBuffer start")
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for {
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time.Sleep(10 * time.Millisecond)
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select {
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case <-stopCh:
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log.Print("[INFO] stop readBuffer")
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return
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default:
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if r, err := p.in.(*VT100Parser).tty.ReadRune(); err == nil {
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n := utf8.EncodeRune(buf[:], r)
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cbuf := make([]byte, n)
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copy(cbuf, buf[:n])
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bufCh <- cbuf
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}
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}
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}
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}
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@ -0,0 +1,48 @@
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// +build !windows
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package prompt
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import (
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"log"
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"os"
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"os/signal"
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"syscall"
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)
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func (p *Prompt) handleSignals(exitCh chan int, winSizeCh chan *WinSize, stop chan struct{}) {
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in := p.in
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sigCh := make(chan os.Signal, 1)
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signal.Notify(
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sigCh,
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syscall.SIGINT,
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syscall.SIGTERM,
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syscall.SIGQUIT,
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syscall.SIGWINCH,
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)
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for {
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select {
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case <-stop:
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log.Println("[INFO] stop handleSignals")
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return
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case s := <-sigCh:
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switch s {
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case syscall.SIGINT: // kill -SIGINT XXXX or Ctrl+c
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log.Println("[SIGNAL] Catch SIGINT")
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exitCh <- 0
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case syscall.SIGTERM: // kill -SIGTERM XXXX
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log.Println("[SIGNAL] Catch SIGTERM")
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exitCh <- 1
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case syscall.SIGQUIT: // kill -SIGQUIT XXXX
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log.Println("[SIGNAL] Catch SIGQUIT")
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exitCh <- 0
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case syscall.SIGWINCH:
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log.Println("[SIGNAL] Catch SIGWINCH")
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winSizeCh <- in.GetWinSize()
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}
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}
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}
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}
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@ -0,0 +1,41 @@
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// +build windows
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package prompt
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import (
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"log"
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"os"
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"os/signal"
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"syscall"
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"time"
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)
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func (p *Prompt) handleSignals(exitCh chan int, winSizeCh chan *WinSize, stop chan struct{}) {
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sigCh := make(chan os.Signal, 1)
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signal.Notify(
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sigCh,
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syscall.SIGINT,
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syscall.SIGTERM,
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syscall.SIGQUIT,
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)
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for {
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s := <-sigCh
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switch s {
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case syscall.SIGINT: // kill -SIGINT XXXX or Ctrl+c
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log.Println("[SIGNAL] Catch SIGINT")
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exitCh <- 0
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case syscall.SIGTERM: // kill -SIGTERM XXXX
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log.Println("[SIGNAL] Catch SIGTERM")
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exitCh <- 1
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case syscall.SIGQUIT: // kill -SIGQUIT XXXX
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log.Println("[SIGNAL] Catch SIGQUIT")
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exitCh <- 0
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default:
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time.Sleep(10 * time.Millisecond)
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}
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}
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}
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@ -1,3 +1,5 @@
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// +build !windows
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package prompt
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import (
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@ -0,0 +1,192 @@
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// +build windows
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package prompt
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import (
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"bytes"
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"syscall"
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"github.com/mattn/go-tty"
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)
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type VT100Parser struct {
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fd syscall.Handle
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tty *tty.TTY
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}
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func (t *VT100Parser) Setup() error {
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tty, err := tty.Open()
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if err != nil {
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return err
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}
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t.tty = tty
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return nil
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}
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func (t *VT100Parser) TearDown() error {
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return t.tty.Close()
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}
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func (t *VT100Parser) GetKey(b []byte) Key {
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for _, k := range asciiSequences {
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if bytes.Compare(k.ASCIICode, b) == 0 {
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return k.Key
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}
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}
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return NotDefined
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}
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// GetWinSize returns winsize struct which is the response of ioctl(2).
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func (t *VT100Parser) GetWinSize() *WinSize {
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w, h, err := t.tty.Size()
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if err != nil {
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panic(err)
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}
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return &WinSize{
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Row: uint16(h),
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Col: uint16(w),
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}
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}
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var asciiSequences []*ASCIICode = []*ASCIICode{
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{Key: Escape, ASCIICode: []byte{0x1b}},
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{Key: ControlSpace, ASCIICode: []byte{0x00}},
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{Key: ControlA, ASCIICode: []byte{0x1}},
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{Key: ControlB, ASCIICode: []byte{0x2}},
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{Key: ControlC, ASCIICode: []byte{0x3}},
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{Key: ControlD, ASCIICode: []byte{0x4}},
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{Key: ControlE, ASCIICode: []byte{0x5}},
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{Key: ControlF, ASCIICode: []byte{0x6}},
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{Key: ControlG, ASCIICode: []byte{0x7}},
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{Key: ControlH, ASCIICode: []byte{0x8}},
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//{Key: ControlI, ASCIICode: []byte{0x9}},
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//{Key: ControlJ, ASCIICode: []byte{0xa}},
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{Key: ControlK, ASCIICode: []byte{0xb}},
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{Key: ControlL, ASCIICode: []byte{0xc}},
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{Key: ControlM, ASCIICode: []byte{0xd}},
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{Key: ControlN, ASCIICode: []byte{0xe}},
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{Key: ControlO, ASCIICode: []byte{0xf}},
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{Key: ControlP, ASCIICode: []byte{0x10}},
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{Key: ControlQ, ASCIICode: []byte{0x11}},
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{Key: ControlR, ASCIICode: []byte{0x12}},
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{Key: ControlS, ASCIICode: []byte{0x13}},
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{Key: ControlT, ASCIICode: []byte{0x14}},
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{Key: ControlU, ASCIICode: []byte{0x15}},
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{Key: ControlV, ASCIICode: []byte{0x16}},
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{Key: ControlW, ASCIICode: []byte{0x17}},
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{Key: ControlX, ASCIICode: []byte{0x18}},
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{Key: ControlY, ASCIICode: []byte{0x19}},
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{Key: ControlZ, ASCIICode: []byte{0x1a}},
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{Key: ControlBackslash, ASCIICode: []byte{0x1c}},
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{Key: ControlSquareClose, ASCIICode: []byte{0x1d}},
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{Key: ControlCircumflex, ASCIICode: []byte{0x1e}},
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{Key: ControlUnderscore, ASCIICode: []byte{0x1f}},
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{Key: Backspace, ASCIICode: []byte{0x7f}},
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{Key: Up, ASCIICode: []byte{0x1b, 0x5b, 0x41}},
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{Key: Down, ASCIICode: []byte{0x1b, 0x5b, 0x42}},
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{Key: Right, ASCIICode: []byte{0x1b, 0x5b, 0x43}},
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{Key: Left, ASCIICode: []byte{0x1b, 0x5b, 0x44}},
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{Key: Home, ASCIICode: []byte{0x1b, 0x5b, 0x48}},
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{Key: Home, ASCIICode: []byte{0x1b, 0x4f, 0x48}},
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{Key: End, ASCIICode: []byte{0x1b, 0x5b, 0x70}},
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{Key: End, ASCIICode: []byte{0x1b, 0x4f, 0x70}},
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{Key: Enter, ASCIICode: []byte{0xa}},
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{Key: Delete, ASCIICode: []byte{0x1b, 0x5b, 0x33, 0x7e}},
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{Key: ShiftDelete, ASCIICode: []byte{0x1b, 0x5b, 0x33, 0x3b, 0x02, 0x7e}},
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{Key: ControlDelete, ASCIICode: []byte{0x1b, 0x5b, 0x33, 0x3b, 0x05, 0x7e}},
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{Key: Home, ASCIICode: []byte{0x1b, 0x5b, 0x01, 0x7e}},
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{Key: End, ASCIICode: []byte{0x1b, 0x5b, 0x04, 0x7e}},
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{Key: PageUp, ASCIICode: []byte{0x1b, 0x5b, 0x05, 0x7e}},
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{Key: PageDown, ASCIICode: []byte{0x1b, 0x5b, 0x06, 0x7e}},
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{Key: Home, ASCIICode: []byte{0x1b, 0x5b, 0x07, 0x7e}},
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{Key: End, ASCIICode: []byte{0x1b, 0x5b, 0x09, 0x7e}},
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{Key: Tab, ASCIICode: []byte{0x9}},
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{Key: BackTab, ASCIICode: []byte{0x1b, 0x5b, 0x5a}},
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{Key: Insert, ASCIICode: []byte{0x1b, 0x5b, 0x02, 0x7e}},
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{Key: F1, ASCIICode: []byte{0x1b, 0x4f, 0x50}},
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{Key: F2, ASCIICode: []byte{0x1b, 0x4f, 0x51}},
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{Key: F3, ASCIICode: []byte{0x1b, 0x4f, 0x52}},
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{Key: F4, ASCIICode: []byte{0x1b, 0x4f, 0x53}},
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{Key: F1, ASCIICode: []byte{0x1b, 0x4f, 0x50, 0x41}}, // Linux console
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{Key: F2, ASCIICode: []byte{0x1b, 0x5b, 0x5b, 0x42}}, // Linux console
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{Key: F3, ASCIICode: []byte{0x1b, 0x5b, 0x5b, 0x43}}, // Linux console
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{Key: F4, ASCIICode: []byte{0x1b, 0x5b, 0x5b, 0x44}}, // Linux console
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{Key: F5, ASCIICode: []byte{0x1b, 0x5b, 0x5b, 0x45}}, // Linux console
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{Key: F1, ASCIICode: []byte{0x1b, 0x5b, 0x11, 0x7e}}, // rxvt-unicode
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{Key: F2, ASCIICode: []byte{0x1b, 0x5b, 0x12, 0x7e}}, // rxvt-unicode
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{Key: F3, ASCIICode: []byte{0x1b, 0x5b, 0x13, 0x7e}}, // rxvt-unicode
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{Key: F4, ASCIICode: []byte{0x1b, 0x5b, 0x14, 0x7e}}, // rxvt-unicode
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{Key: F5, ASCIICode: []byte{0x1b, 0x5b, 0x31, 0x35, 0x7e}},
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{Key: F6, ASCIICode: []byte{0x1b, 0x5b, 0x31, 0x37, 0x7e}},
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{Key: F7, ASCIICode: []byte{0x1b, 0x5b, 0x31, 0x38, 0x7e}},
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{Key: F8, ASCIICode: []byte{0x1b, 0x5b, 0x31, 0x39, 0x7e}},
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{Key: F9, ASCIICode: []byte{0x1b, 0x5b, 0x32, 0x30, 0x7e}},
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{Key: F10, ASCIICode: []byte{0x1b, 0x5b, 0x32, 0x31, 0x7e}},
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{Key: F11, ASCIICode: []byte{0x1b, 0x5b, 0x32, 0x32, 0x7e}},
|
||||
{Key: F12, ASCIICode: []byte{0x1b, 0x5b, 0x32, 0x34, 0x7e, 0x8}},
|
||||
{Key: F13, ASCIICode: []byte{0x1b, 0x5b, 0x25, 0x7e}},
|
||||
{Key: F14, ASCIICode: []byte{0x1b, 0x5b, 0x26, 0x7e}},
|
||||
{Key: F15, ASCIICode: []byte{0x1b, 0x5b, 0x28, 0x7e}},
|
||||
{Key: F16, ASCIICode: []byte{0x1b, 0x5b, 0x29, 0x7e}},
|
||||
{Key: F17, ASCIICode: []byte{0x1b, 0x5b, 0x31, 0x7e}},
|
||||
{Key: F18, ASCIICode: []byte{0x1b, 0x5b, 0x32, 0x7e}},
|
||||
{Key: F19, ASCIICode: []byte{0x1b, 0x5b, 0x33, 0x7e}},
|
||||
{Key: F20, ASCIICode: []byte{0x1b, 0x5b, 0x34, 0x7e}},
|
||||
|
||||
// Xterm
|
||||
{Key: F13, ASCIICode: []byte{0x1b, 0x5b, 0x01, 0x3b, 0x02, 0x50}},
|
||||
{Key: F14, ASCIICode: []byte{0x1b, 0x5b, 0x01, 0x3b, 0x02, 0x51}},
|
||||
// &ASCIICode{Key: F15, ASCIICode: []byte{0x1b, 0x5b, 0x01, 0x3b, 0x02, 0x52}}, // Conflicts with CPR response
|
||||
{Key: F16, ASCIICode: []byte{0x1b, 0x5b, 0x01, 0x3b, 0x02, 0x52}},
|
||||
{Key: F17, ASCIICode: []byte{0x1b, 0x5b, 0x15, 0x3b, 0x02, 0x7e}},
|
||||
{Key: F18, ASCIICode: []byte{0x1b, 0x5b, 0x17, 0x3b, 0x02, 0x7e}},
|
||||
{Key: F19, ASCIICode: []byte{0x1b, 0x5b, 0x18, 0x3b, 0x02, 0x7e}},
|
||||
{Key: F20, ASCIICode: []byte{0x1b, 0x5b, 0x19, 0x3b, 0x02, 0x7e}},
|
||||
{Key: F21, ASCIICode: []byte{0x1b, 0x5b, 0x20, 0x3b, 0x02, 0x7e}},
|
||||
{Key: F22, ASCIICode: []byte{0x1b, 0x5b, 0x21, 0x3b, 0x02, 0x7e}},
|
||||
{Key: F23, ASCIICode: []byte{0x1b, 0x5b, 0x23, 0x3b, 0x02, 0x7e}},
|
||||
{Key: F24, ASCIICode: []byte{0x1b, 0x5b, 0x24, 0x3b, 0x02, 0x7e}},
|
||||
|
||||
{Key: ControlUp, ASCIICode: []byte{0x1b, 0x5b, 0x01, 0x3b, 0x5a}},
|
||||
{Key: ControlDown, ASCIICode: []byte{0x1b, 0x5b, 0x01, 0x3b, 0x5b}},
|
||||
{Key: ControlRight, ASCIICode: []byte{0x1b, 0x5b, 0x01, 0x3b, 0x5c}},
|
||||
{Key: ControlLeft, ASCIICode: []byte{0x1b, 0x5b, 0x01, 0x3b, 0x5d}},
|
||||
|
||||
{Key: ShiftUp, ASCIICode: []byte{0x1b, 0x5b, 0x01, 0x2a}},
|
||||
{Key: ShiftDown, ASCIICode: []byte{0x1b, 0x5b, 0x01, 0x2b}},
|
||||
{Key: ShiftRight, ASCIICode: []byte{0x1b, 0x5b, 0x01, 0x2c}},
|
||||
{Key: ShiftLeft, ASCIICode: []byte{0x1b, 0x5b, 0x01, 0x2d}},
|
||||
|
||||
// Tmux sends following keystrokes when control+arrow is pressed, but for
|
||||
// Emacs ansi-term sends the same sequences for normal arrow keys. Consider
|
||||
// it a normal arrow press, because that's more important.
|
||||
{Key: Up, ASCIICode: []byte{0x1b, 0x4f, 0x41}},
|
||||
{Key: Down, ASCIICode: []byte{0x1b, 0x4f, 0x42}},
|
||||
{Key: Right, ASCIICode: []byte{0x1b, 0x4f, 0x43}},
|
||||
{Key: Left, ASCIICode: []byte{0x1b, 0x4f, 0x44}},
|
||||
|
||||
{Key: ControlUp, ASCIICode: []byte{0x1b, 0x5b, 0x05, 0x41}},
|
||||
{Key: ControlDown, ASCIICode: []byte{0x1b, 0x5b, 0x05, 0x42}},
|
||||
{Key: ControlRight, ASCIICode: []byte{0x1b, 0x5b, 0x05, 0x43}},
|
||||
{Key: ControlLeft, ASCIICode: []byte{0x1b, 0x5b, 0x05, 0x44}},
|
||||
|
||||
{Key: ControlRight, ASCIICode: []byte{0x1b, 0x5b, 0x4f, 0x63}}, // rxvt
|
||||
{Key: ControlLeft, ASCIICode: []byte{0x1b, 0x5b, 0x4f, 0x64}}, // rxvt
|
||||
|
||||
{Key: Ignore, ASCIICode: []byte{0x1b, 0x5b, 0x45}}, // Xterm
|
||||
{Key: Ignore, ASCIICode: []byte{0x1b, 0x5b, 0x46}}, // Linux console
|
||||
}
|
||||
|
||||
func NewVT100StandardInputParser() *VT100Parser {
|
||||
return &VT100Parser{
|
||||
fd: syscall.Stdin,
|
||||
}
|
||||
}
|
||||
|
|
@ -1,3 +1,5 @@
|
|||
// +build !windows
|
||||
|
||||
package prompt
|
||||
|
||||
import (
|
||||
|
|
|
|||
|
|
@ -0,0 +1,299 @@
|
|||
// +build windows
|
||||
|
||||
package prompt
|
||||
|
||||
import (
|
||||
"io"
|
||||
"strconv"
|
||||
|
||||
"github.com/mattn/go-colorable"
|
||||
)
|
||||
|
||||
type VT100Writer struct {
|
||||
out io.Writer
|
||||
buffer []byte
|
||||
}
|
||||
|
||||
func (w *VT100Writer) WriteRaw(data []byte) {
|
||||
w.buffer = append(w.buffer, data...)
|
||||
// Flush because sometimes the render is broken when a large amount data in buffer.
|
||||
w.Flush()
|
||||
return
|
||||
}
|
||||
|
||||
func (w *VT100Writer) Write(data []byte) {
|
||||
w.WriteRaw(byteFilter(data, writeFilter))
|
||||
return
|
||||
}
|
||||
|
||||
func (w *VT100Writer) WriteRawStr(data string) {
|
||||
w.WriteRaw([]byte(data))
|
||||
return
|
||||
}
|
||||
|
||||
func (w *VT100Writer) WriteStr(data string) {
|
||||
w.Write([]byte(data))
|
||||
return
|
||||
}
|
||||
|
||||
func (w *VT100Writer) Flush() error {
|
||||
_, err := w.out.Write(w.buffer)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
w.buffer = []byte{}
|
||||
return nil
|
||||
}
|
||||
|
||||
/* Erase */
|
||||
|
||||
func (w *VT100Writer) EraseScreen() {
|
||||
w.WriteRaw([]byte{0x1b, 0x5b, 0x32, 0x4a})
|
||||
return
|
||||
}
|
||||
|
||||
func (w *VT100Writer) EraseUp() {
|
||||
w.WriteRaw([]byte{0x1b, 0x5b, 0x31, 0x4a})
|
||||
return
|
||||
}
|
||||
|
||||
func (w *VT100Writer) EraseDown() {
|
||||
w.WriteRaw([]byte{0x1b, 0x5b, 0x4a})
|
||||
return
|
||||
}
|
||||
|
||||
func (w *VT100Writer) EraseStartOfLine() {
|
||||
w.WriteRaw([]byte{0x1b, 0x5b, 0x31, 0x4b})
|
||||
return
|
||||
}
|
||||
|
||||
func (w *VT100Writer) EraseEndOfLine() {
|
||||
w.WriteRaw([]byte{0x1b, 0x5b, 0x4b})
|
||||
return
|
||||
}
|
||||
|
||||
func (w *VT100Writer) EraseLine() {
|
||||
w.WriteRaw([]byte{0x1b, 0x5b, 0x32, 0x4b})
|
||||
return
|
||||
}
|
||||
|
||||
/* Cursor */
|
||||
|
||||
func (w *VT100Writer) ShowCursor() {
|
||||
w.WriteRaw([]byte{0x1b, 0x5b, 0x3f, 0x31, 0x32, 0x6c, 0x1b, 0x5b, 0x3f, 0x32, 0x35, 0x68})
|
||||
}
|
||||
|
||||
func (w *VT100Writer) HideCursor() {
|
||||
w.WriteRaw([]byte{0x1b, 0x5b, 0x3f, 0x32, 0x35, 0x6c})
|
||||
return
|
||||
}
|
||||
|
||||
func (w *VT100Writer) CursorGoTo(row, col int) {
|
||||
r := strconv.Itoa(row)
|
||||
c := strconv.Itoa(col)
|
||||
w.WriteRaw([]byte{0x1b, 0x5b})
|
||||
w.WriteRaw([]byte(r))
|
||||
w.WriteRaw([]byte{0x3b})
|
||||
w.WriteRaw([]byte(c))
|
||||
w.WriteRaw([]byte{0x48})
|
||||
return
|
||||
}
|
||||
|
||||
func (w *VT100Writer) CursorUp(n int) {
|
||||
if n < 0 {
|
||||
w.CursorDown(n)
|
||||
return
|
||||
}
|
||||
s := strconv.Itoa(n)
|
||||
w.WriteRaw([]byte{0x1b, 0x5b})
|
||||
w.WriteRaw([]byte(s))
|
||||
w.WriteRaw([]byte{0x41})
|
||||
return
|
||||
}
|
||||
|
||||
func (w *VT100Writer) CursorDown(n int) {
|
||||
if n < 0 {
|
||||
w.CursorUp(n)
|
||||
return
|
||||
}
|
||||
s := strconv.Itoa(n)
|
||||
w.WriteRaw([]byte{0x1b, 0x5b})
|
||||
w.WriteRaw([]byte(s))
|
||||
w.WriteRaw([]byte{0x42})
|
||||
return
|
||||
}
|
||||
|
||||
func (w *VT100Writer) CursorForward(n int) {
|
||||
if n == 0 {
|
||||
return
|
||||
} else if n < 0 {
|
||||
w.CursorBackward(-n)
|
||||
return
|
||||
}
|
||||
s := strconv.Itoa(n)
|
||||
w.WriteRaw([]byte{0x1b, 0x5b})
|
||||
w.WriteRaw([]byte(s))
|
||||
w.WriteRaw([]byte{0x43})
|
||||
return
|
||||
}
|
||||
|
||||
func (w *VT100Writer) CursorBackward(n int) {
|
||||
if n == 0 {
|
||||
return
|
||||
} else if n < 0 {
|
||||
w.CursorForward(-n)
|
||||
return
|
||||
}
|
||||
s := strconv.Itoa(n)
|
||||
w.WriteRaw([]byte{0x1b, 0x5b})
|
||||
w.WriteRaw([]byte(s))
|
||||
w.WriteRaw([]byte{0x44})
|
||||
return
|
||||
}
|
||||
|
||||
func (w *VT100Writer) AskForCPR() {
|
||||
// CPR: Cursor Position Request.
|
||||
w.WriteRaw([]byte{0x1b, 0x5b, 0x36, 0x6e})
|
||||
w.Flush()
|
||||
return
|
||||
}
|
||||
|
||||
func (w *VT100Writer) SaveCursor() {
|
||||
w.WriteRaw([]byte{0x1b, 0x5b, 0x73})
|
||||
return
|
||||
}
|
||||
|
||||
func (w *VT100Writer) UnSaveCursor() {
|
||||
w.WriteRaw([]byte{0x1b, 0x5b, 0x75})
|
||||
return
|
||||
}
|
||||
|
||||
/* Scrolling */
|
||||
|
||||
func (w *VT100Writer) ScrollDown() {
|
||||
w.WriteRaw([]byte{0x1b, 0x44})
|
||||
return
|
||||
}
|
||||
|
||||
func (w *VT100Writer) ScrollUp() {
|
||||
w.WriteRaw([]byte{0x1b, 0x4d})
|
||||
return
|
||||
}
|
||||
|
||||
/* Title */
|
||||
|
||||
func (w *VT100Writer) SetTitle(title string) {
|
||||
w.WriteRaw([]byte{0x1b, 0x5d, 0x32, 0x3b})
|
||||
w.WriteRaw(byteFilter([]byte(title), setTextFilter))
|
||||
w.WriteRaw([]byte{0x07})
|
||||
return
|
||||
}
|
||||
|
||||
func (w *VT100Writer) ClearTitle() {
|
||||
w.WriteRaw([]byte{0x1b, 0x5d, 0x32, 0x3b, 0x07})
|
||||
return
|
||||
}
|
||||
|
||||
/* Font */
|
||||
|
||||
func (w *VT100Writer) SetColor(fg, bg Color, bold bool) {
|
||||
f, ok := foregroundANSIColors[fg]
|
||||
if !ok {
|
||||
f, _ = foregroundANSIColors[DefaultColor]
|
||||
}
|
||||
b, ok := backgroundANSIColors[bg]
|
||||
if !ok {
|
||||
b, _ = backgroundANSIColors[DefaultColor]
|
||||
}
|
||||
w.out.Write([]byte{0x1b, 0x5b, 0x33, 0x39, 0x3b, 0x34, 0x39, 0x6d})
|
||||
w.WriteRaw([]byte{0x1b, 0x5b})
|
||||
if !bold {
|
||||
w.WriteRaw([]byte{0x30, 0x3b})
|
||||
}
|
||||
w.WriteRaw(f)
|
||||
w.WriteRaw([]byte{0x3b})
|
||||
w.WriteRaw(b)
|
||||
if bold {
|
||||
w.WriteRaw([]byte{0x3b, 0x31})
|
||||
}
|
||||
w.WriteRaw([]byte{0x6d})
|
||||
return
|
||||
}
|
||||
|
||||
var foregroundANSIColors = map[Color][]byte{
|
||||
DefaultColor: {0x33, 0x39}, // 39
|
||||
|
||||
// Low intensity.
|
||||
Black: {0x33, 0x30}, // 30
|
||||
DarkRed: {0x33, 0x31}, // 31
|
||||
DarkGreen: {0x33, 0x32}, // 32
|
||||
Brown: {0x33, 0x33}, // 33
|
||||
DarkBlue: {0x33, 0x34}, // 34
|
||||
Purple: {0x33, 0x35}, // 35
|
||||
Cyan: {0x33, 0x36}, //36
|
||||
LightGray: {0x33, 0x37}, //37
|
||||
|
||||
// High intensity.
|
||||
DarkGray: {0x39, 0x30}, // 90
|
||||
Red: {0x39, 0x31}, // 91
|
||||
Green: {0x39, 0x32}, // 92
|
||||
Yellow: {0x39, 0x33}, // 93
|
||||
Blue: {0x39, 0x34}, // 94
|
||||
Fuchsia: {0x39, 0x35}, // 95
|
||||
Turquoise: {0x39, 0x36}, // 96
|
||||
White: {0x39, 0x37}, // 97
|
||||
}
|
||||
|
||||
var backgroundANSIColors = map[Color][]byte{
|
||||
DefaultColor: {0x34, 0x39}, // 49
|
||||
|
||||
// Low intensity.
|
||||
Black: {0x34, 0x30}, // 40
|
||||
DarkRed: {0x34, 0x31}, // 41
|
||||
DarkGreen: {0x34, 0x32}, // 42
|
||||
Brown: {0x34, 0x33}, // 43
|
||||
DarkBlue: {0x34, 0x34}, // 44
|
||||
Purple: {0x34, 0x35}, // 45
|
||||
Cyan: {0x34, 0x36}, // 46
|
||||
LightGray: {0x34, 0x37}, // 47
|
||||
|
||||
// High intensity
|
||||
DarkGray: {0x31, 0x30, 0x30}, // 100
|
||||
Red: {0x31, 0x30, 0x31}, // 101
|
||||
Green: {0x31, 0x30, 0x32}, // 102
|
||||
Yellow: {0x31, 0x30, 0x33}, // 103
|
||||
Blue: {0x31, 0x30, 0x34}, // 104
|
||||
Fuchsia: {0x31, 0x30, 0x35}, // 105
|
||||
Turquoise: {0x31, 0x30, 0x36}, // 106
|
||||
White: {0x31, 0x30, 0x37}, // 107
|
||||
}
|
||||
|
||||
func writeFilter(buf byte) bool {
|
||||
return buf != 0x1b && buf != 0x3f
|
||||
}
|
||||
|
||||
func setTextFilter(buf byte) bool {
|
||||
return buf != 0x1b && buf != 0x07
|
||||
}
|
||||
|
||||
func byteFilter(buf []byte, fn ...func(b byte) bool) []byte {
|
||||
if len(fn) == 0 {
|
||||
return buf
|
||||
}
|
||||
ret := make([]byte, 0, len(buf))
|
||||
f := fn[0]
|
||||
for i, n := range buf {
|
||||
if f(n) {
|
||||
ret = append(ret, buf[i])
|
||||
}
|
||||
}
|
||||
return byteFilter(ret, fn[1:]...)
|
||||
}
|
||||
|
||||
var _ ConsoleWriter = &VT100Writer{}
|
||||
|
||||
func NewVT100StandardOutputWriter() *VT100Writer {
|
||||
return &VT100Writer{
|
||||
out: colorable.NewColorableStdout(),
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue