176 lines
3.1 KiB
Go
176 lines
3.1 KiB
Go
package main
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import (
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"bufio"
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"fmt"
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"io"
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"log"
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"net"
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"os"
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"strings"
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"time"
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"github.com/gdamore/tcell/v2"
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)
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func run() {
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var screen tcell.Screen
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var err error
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if screen, err = tcell.NewScreen(); err != nil {
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log.Fatalf("creating screen: %s", err)
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} else if err = screen.Init(); err != nil {
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log.Fatalf("initializing screen: %s", err)
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}
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if gOpts.mouse {
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screen.EnableMouse()
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}
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f, err := os.Create(gLogPath)
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if err != nil {
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panic(err)
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}
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defer os.Remove(gLogPath)
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defer f.Close()
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log.SetOutput(f)
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log.Print("hi!")
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ui := newUI(screen)
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nav := newNav(ui.wins[0].h)
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app := newApp(ui, nav)
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if err := app.nav.readMarks(); err != nil {
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app.ui.echoerrf("reading marks file: %s", err)
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}
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if err := app.readHistory(); err != nil {
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app.ui.echoerrf("reading history file: %s", err)
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}
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app.loop()
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app.ui.screen.Fini()
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}
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func readExpr() <-chan expr {
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ch := make(chan expr)
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go func() {
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duration := 1 * time.Second
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c, err := net.Dial(gSocketProt, gSocketPath)
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for err != nil {
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log.Printf("connecting server: %s", err)
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time.Sleep(duration)
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duration *= 2
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c, err = net.Dial(gSocketProt, gSocketPath)
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}
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fmt.Fprintf(c, "conn %d\n", gClientID)
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ch <- &callExpr{"sync", nil, 1}
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s := bufio.NewScanner(c)
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for s.Scan() {
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log.Printf("recv: %s", s.Text())
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p := newParser(strings.NewReader(s.Text()))
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if p.parse() {
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ch <- p.expr
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}
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}
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c.Close()
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}()
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return ch
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}
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func saveFiles(list []string, cp bool) error {
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c, err := net.Dial(gSocketProt, gSocketPath)
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if err != nil {
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return fmt.Errorf("dialing to save files: %s", err)
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}
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defer c.Close()
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log.Printf("saving files: %v", list)
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fmt.Fprintln(c, "save")
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if cp {
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fmt.Fprintln(c, "copy")
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} else {
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fmt.Fprintln(c, "move")
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}
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for _, f := range list {
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fmt.Fprintln(c, f)
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}
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fmt.Fprintln(c)
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return nil
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}
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func loadFiles() (list []string, cp bool, err error) {
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c, e := net.Dial(gSocketProt, gSocketPath)
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if e != nil {
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err = fmt.Errorf("dialing to load files: %s", e)
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return
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}
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defer c.Close()
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fmt.Fprintln(c, "load")
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s := bufio.NewScanner(c)
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s.Scan()
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switch s.Text() {
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case "copy":
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cp = true
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case "move":
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cp = false
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default:
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err = fmt.Errorf("unexpected option to copy file(s): %s", s.Text())
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return
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}
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for s.Scan() && s.Text() != "" {
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list = append(list, s.Text())
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}
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if s.Err() != nil {
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err = fmt.Errorf("scanning file list: %s", s.Err())
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return
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}
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log.Printf("loading files: %v", list)
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return
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}
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func remote(cmd string) error {
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c, err := net.Dial(gSocketProt, gSocketPath)
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if err != nil {
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return fmt.Errorf("dialing to send server: %s", err)
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}
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fmt.Fprintln(c, cmd)
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// XXX: Standard net.Conn interface does not include a CloseWrite method
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// but net.UnixConn and net.TCPConn implement it so the following should be
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// safe as long as we do not use other types of connections. We need
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// CloseWrite to notify the server that this is not a persistent connection
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// and it should be closed after the response.
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if v, ok := c.(interface {
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CloseWrite() error
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}); ok {
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v.CloseWrite()
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}
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io.Copy(os.Stdout, c)
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c.Close()
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return nil
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}
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