new readline library (#847)
This commit is contained in:
Patrick Devine
GitHub
parent
49443e7da5
commit
deeac961bb
11 changed files with 972 additions and 86 deletions
87
cmd/cmd.go
87
cmd/cmd.go
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@ -22,7 +22,6 @@ import (
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"github.com/dustin/go-humanize"
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"github.com/olekukonko/tablewriter"
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"github.com/pdevine/readline"
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"github.com/spf13/cobra"
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"golang.org/x/crypto/ssh"
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"golang.org/x/term"
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@ -30,30 +29,11 @@ import (
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"github.com/jmorganca/ollama/api"
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"github.com/jmorganca/ollama/format"
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"github.com/jmorganca/ollama/progressbar"
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"github.com/jmorganca/ollama/readline"
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"github.com/jmorganca/ollama/server"
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"github.com/jmorganca/ollama/version"
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)
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type Painter struct {
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IsMultiLine bool
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}
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func (p Painter) Paint(line []rune, _ int) []rune {
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termType := os.Getenv("TERM")
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if termType == "xterm-256color" && len(line) == 0 {
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var prompt string
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if p.IsMultiLine {
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prompt = "Use \"\"\" to end multi-line input"
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} else {
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prompt = "Send a message (/? for help)"
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}
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return []rune(fmt.Sprintf("\033[38;5;245m%s\033[%dD\033[0m", prompt, len(prompt)))
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}
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// add a space and a backspace to prevent the cursor from walking up the screen
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line = append(line, []rune(" \b")...)
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return line
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}
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func CreateHandler(cmd *cobra.Command, args []string) error {
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filename, _ := cmd.Flags().GetString("file")
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filename, err := filepath.Abs(filename)
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@ -508,38 +488,11 @@ func generate(cmd *cobra.Command, model, prompt string, wordWrap bool) error {
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}
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func generateInteractive(cmd *cobra.Command, model string) error {
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home, err := os.UserHomeDir()
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if err != nil {
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return err
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}
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// load the model
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if err := generate(cmd, model, "", false); err != nil {
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return err
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}
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completer := readline.NewPrefixCompleter(
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readline.PcItem("/help"),
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readline.PcItem("/list"),
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readline.PcItem("/set",
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readline.PcItem("history"),
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readline.PcItem("nohistory"),
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readline.PcItem("wordwrap"),
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readline.PcItem("nowordwrap"),
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readline.PcItem("verbose"),
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readline.PcItem("quiet"),
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),
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readline.PcItem("/show",
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readline.PcItem("license"),
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readline.PcItem("modelfile"),
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readline.PcItem("parameters"),
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readline.PcItem("system"),
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readline.PcItem("template"),
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),
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readline.PcItem("/exit"),
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readline.PcItem("/bye"),
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)
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usage := func() {
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fmt.Fprintln(os.Stderr, "Available Commands:")
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fmt.Fprintln(os.Stderr, " /set Set session variables")
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@ -572,16 +525,14 @@ func generateInteractive(cmd *cobra.Command, model string) error {
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fmt.Fprintln(os.Stderr, "")
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}
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var painter Painter
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config := readline.Config{
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Painter: &painter,
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prompt := readline.Prompt{
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Prompt: ">>> ",
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HistoryFile: filepath.Join(home, ".ollama", "history"),
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AutoComplete: completer,
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AltPrompt: "... ",
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Placeholder: "Send a message (/? for help)",
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AltPlaceholder: `Use """ to end multi-line input`,
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}
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scanner, err := readline.NewEx(&config)
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scanner, err := readline.New(prompt)
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if err != nil {
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return err
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}
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@ -603,7 +554,6 @@ func generateInteractive(cmd *cobra.Command, model string) error {
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}
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var multiLineBuffer string
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var isMultiLine bool
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for {
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line, err := scanner.Readline()
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@ -612,7 +562,7 @@ func generateInteractive(cmd *cobra.Command, model string) error {
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return nil
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case errors.Is(err, readline.ErrInterrupt):
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if line == "" {
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fmt.Println("Use Ctrl-D or /bye to exit.")
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fmt.Println("\nUse Ctrl-D or /bye to exit.")
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}
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continue
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@ -623,23 +573,19 @@ func generateInteractive(cmd *cobra.Command, model string) error {
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line = strings.TrimSpace(line)
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switch {
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case isMultiLine:
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case scanner.Prompt.UseAlt:
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if strings.HasSuffix(line, `"""`) {
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isMultiLine = false
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painter.IsMultiLine = isMultiLine
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scanner.Prompt.UseAlt = false
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multiLineBuffer += strings.TrimSuffix(line, `"""`)
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line = multiLineBuffer
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multiLineBuffer = ""
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scanner.SetPrompt(">>> ")
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} else {
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multiLineBuffer += line + " "
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continue
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}
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case strings.HasPrefix(line, `"""`):
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isMultiLine = true
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painter.IsMultiLine = isMultiLine
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scanner.Prompt.UseAlt = true
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multiLineBuffer = strings.TrimPrefix(line, `"""`) + " "
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scanner.SetPrompt("... ")
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continue
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case strings.HasPrefix(line, "/list"):
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args := strings.Fields(line)
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@ -666,19 +612,6 @@ func generateInteractive(cmd *cobra.Command, model string) error {
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case "quiet":
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cmd.Flags().Set("verbose", "false")
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fmt.Println("Set 'quiet' mode.")
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case "mode":
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if len(args) > 2 {
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switch args[2] {
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case "vim":
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scanner.SetVimMode(true)
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case "emacs", "default":
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scanner.SetVimMode(false)
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default:
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usage()
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}
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} else {
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usage()
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}
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default:
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fmt.Printf("Unknown command '/set %s'. Type /? for help\n", args[1])
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}
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3
go.mod
3
go.mod
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@ -4,13 +4,14 @@ go 1.20
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require (
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github.com/dustin/go-humanize v1.0.1
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github.com/emirpasic/gods v1.18.1
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github.com/gin-gonic/gin v1.9.1
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github.com/mattn/go-runewidth v0.0.14
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github.com/mitchellh/colorstring v0.0.0-20190213212951-d06e56a500db
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github.com/olekukonko/tablewriter v0.0.5
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github.com/pdevine/readline v1.5.2
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github.com/spf13/cobra v1.7.0
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golang.org/x/sync v0.3.0
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gonum.org/v1/gonum v0.14.0
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)
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require github.com/rivo/uniseg v0.2.0 // indirect
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11
go.sum
11
go.sum
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@ -4,10 +4,6 @@ github.com/bytedance/sonic v1.9.1/go.mod h1:i736AoUSYt75HyZLoJW9ERYxcy6eaN6h4BZX
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github.com/chenzhuoyu/base64x v0.0.0-20211019084208-fb5309c8db06/go.mod h1:DH46F32mSOjUmXrMHnKwZdA8wcEefY7UVqBKYGjpdQY=
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github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 h1:qSGYFH7+jGhDF8vLC+iwCD4WpbV1EBDSzWkJODFLams=
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github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311/go.mod h1:b583jCggY9gE99b6G5LEC39OIiVsWj+R97kbl5odCEk=
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github.com/chzyer/logex v1.2.1 h1:XHDu3E6q+gdHgsdTPH6ImJMIp436vR6MPtH8gP05QzM=
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github.com/chzyer/logex v1.2.1/go.mod h1:JLbx6lG2kDbNRFnfkgvh4eRJRPX1QCoOIWomwysCBrQ=
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github.com/chzyer/test v1.0.0 h1:p3BQDXSxOhOG0P9z6/hGnII4LGiEPOYBhs8asl/fC04=
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github.com/chzyer/test v1.0.0/go.mod h1:2JlltgoNkt4TW/z9V/IzDdFaMTM2JPIi26O1pF38GC8=
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github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
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github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
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github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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@ -15,6 +11,8 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
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github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
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github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
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github.com/emirpasic/gods v1.18.1 h1:FXtiHYKDGKCW2KzwZKx0iC0PQmdlorYgdFG9jPXJ1Bc=
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github.com/emirpasic/gods v1.18.1/go.mod h1:8tpGGwCnJ5H4r6BWwaV6OrWmMoPhUl5jm/FMNAnJvWQ=
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github.com/gabriel-vasile/mimetype v1.4.2 h1:w5qFW6JKBz9Y393Y4q372O9A7cUSequkh1Q7OhCmWKU=
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github.com/gabriel-vasile/mimetype v1.4.2/go.mod h1:zApsH/mKG4w07erKIaJPFiX0Tsq9BFQgN3qGY5GnNgA=
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github.com/gin-contrib/cors v1.4.0 h1:oJ6gwtUl3lqV0WEIwM/LxPF1QZ5qe2lGWdY2+bz7y0g=
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@ -78,8 +76,6 @@ github.com/olekukonko/tablewriter v0.0.5 h1:P2Ga83D34wi1o9J6Wh1mRuqd4mF/x/lgBS7N
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github.com/olekukonko/tablewriter v0.0.5/go.mod h1:hPp6KlRPjbx+hW8ykQs1w3UBbZlj6HuIJcUGPhkA7kY=
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github.com/pbnjay/memory v0.0.0-20210728143218-7b4eea64cf58 h1:onHthvaw9LFnH4t2DcNVpwGmV9E1BkGknEliJkfwQj0=
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github.com/pbnjay/memory v0.0.0-20210728143218-7b4eea64cf58/go.mod h1:DXv8WO4yhMYhSNPKjeNKa5WY9YCIEBRbNzFFPJbWO6Y=
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github.com/pdevine/readline v1.5.2 h1:oz6Y5GdTmhPG+08hhxcAvtHitSANWuA2100Sppb38xI=
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github.com/pdevine/readline v1.5.2/go.mod h1:na/LbuE5PYwxI7GyopWdIs3U8HVe89lYlNTFTXH3wOw=
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github.com/pelletier/go-toml/v2 v2.0.1/go.mod h1:r9LEWfGN8R5k0VXJ+0BkIe7MYkRdwZOjgMj2KwnJFUo=
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github.com/pelletier/go-toml/v2 v2.0.8 h1:0ctb6s9mE31h0/lhu+J6OPmVeDxJn+kYnJc2jZR9tGQ=
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github.com/pelletier/go-toml/v2 v2.0.8/go.mod h1:vuYfssBdrU2XDZ9bYydBu6t+6a6PYNcZljzZR9VXg+4=
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@ -131,7 +127,6 @@ golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7w
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golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.0.0-20210806184541-e5e7981a1069/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.0.0-20220310020820-b874c991c1a5/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.0.0-20220704084225-05e143d24a9e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.13.0 h1:Af8nKPmuFypiUBjVoU9V20FiaFXOcuZI21p0ycVYYGE=
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@ -145,6 +140,8 @@ golang.org/x/text v0.13.0 h1:ablQoSUd0tRdKxZewP80B+BaqeKJuVhuRxj/dkrun3k=
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golang.org/x/text v0.13.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
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golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
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golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
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gonum.org/v1/gonum v0.14.0 h1:2NiG67LD1tEH0D7kM+ps2V+fXmsAnpUeec7n8tcr4S0=
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gonum.org/v1/gonum v0.14.0/go.mod h1:AoWeoz0becf9QMWtE8iWXNXc27fK4fNeHNf/oMejGfU=
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google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
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google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
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google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
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|
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370
readline/buffer.go
Normal file
370
readline/buffer.go
Normal file
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@ -0,0 +1,370 @@
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package readline
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import (
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"fmt"
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"github.com/emirpasic/gods/lists/arraylist"
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"golang.org/x/term"
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)
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type Buffer struct {
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Pos int
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Buf *arraylist.List
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Prompt *Prompt
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LineWidth int
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Width int
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Height int
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}
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func NewBuffer(prompt *Prompt) (*Buffer, error) {
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width, height, err := term.GetSize(0)
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if err != nil {
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fmt.Println("Error getting size:", err)
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return nil, err
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}
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lwidth := width - len(prompt.Prompt)
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if prompt.UseAlt {
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lwidth = width - len(prompt.AltPrompt)
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}
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b := &Buffer{
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Pos: 0,
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Buf: arraylist.New(),
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Prompt: prompt,
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Width: width,
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Height: height,
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LineWidth: lwidth,
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}
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return b, nil
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}
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func (b *Buffer) MoveLeft() {
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if b.Pos > 0 {
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if b.Pos%b.LineWidth == 0 {
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fmt.Printf(CursorUp + CursorBOL + cursorRightN(b.Width))
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} else {
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fmt.Printf(CursorLeft)
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}
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b.Pos -= 1
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}
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}
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func (b *Buffer) MoveLeftWord() {
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if b.Pos > 0 {
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var foundNonspace bool
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for {
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v, _ := b.Buf.Get(b.Pos - 1)
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if v == ' ' {
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if foundNonspace {
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break
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}
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} else {
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foundNonspace = true
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}
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b.MoveLeft()
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if b.Pos == 0 {
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break
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}
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}
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}
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}
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func (b *Buffer) MoveRight() {
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if b.Pos < b.Size() {
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b.Pos += 1
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if b.Pos%b.LineWidth == 0 {
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fmt.Printf(CursorDown + CursorBOL + cursorRightN(b.PromptSize()))
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} else {
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fmt.Printf(CursorRight)
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}
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}
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}
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func (b *Buffer) MoveRightWord() {
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if b.Pos < b.Size() {
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for {
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b.MoveRight()
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v, _ := b.Buf.Get(b.Pos)
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if v == ' ' {
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break
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}
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if b.Pos == b.Size() {
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break
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}
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}
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}
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}
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func (b *Buffer) MoveToStart() {
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if b.Pos > 0 {
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currLine := b.Pos / b.LineWidth
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if currLine > 0 {
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for cnt := 0; cnt < currLine; cnt++ {
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fmt.Printf(CursorUp)
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}
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}
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fmt.Printf(CursorBOL + cursorRightN(b.PromptSize()))
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b.Pos = 0
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}
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}
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||||
|
||||
func (b *Buffer) MoveToEnd() {
|
||||
if b.Pos < b.Size() {
|
||||
currLine := b.Pos / b.LineWidth
|
||||
totalLines := b.Size() / b.LineWidth
|
||||
if currLine < totalLines {
|
||||
for cnt := 0; cnt < totalLines-currLine; cnt++ {
|
||||
fmt.Printf(CursorDown)
|
||||
}
|
||||
remainder := b.Size() % b.LineWidth
|
||||
fmt.Printf(CursorBOL + cursorRightN(b.PromptSize()+remainder))
|
||||
} else {
|
||||
fmt.Printf(cursorRightN(b.Size() - b.Pos))
|
||||
}
|
||||
|
||||
b.Pos = b.Size()
|
||||
}
|
||||
}
|
||||
|
||||
func (b *Buffer) Size() int {
|
||||
return b.Buf.Size()
|
||||
}
|
||||
|
||||
func min(n, m int) int {
|
||||
if n > m {
|
||||
return m
|
||||
}
|
||||
return n
|
||||
}
|
||||
|
||||
func (b *Buffer) PromptSize() int {
|
||||
if b.Prompt.UseAlt {
|
||||
return len(b.Prompt.AltPrompt)
|
||||
}
|
||||
return len(b.Prompt.Prompt)
|
||||
}
|
||||
|
||||
func (b *Buffer) Add(r rune) {
|
||||
if b.Pos == b.Buf.Size() {
|
||||
fmt.Printf("%c", r)
|
||||
b.Buf.Add(r)
|
||||
b.Pos += 1
|
||||
if b.Pos > 0 && b.Pos%b.LineWidth == 0 {
|
||||
fmt.Printf("\n%s", b.Prompt.AltPrompt)
|
||||
}
|
||||
} else {
|
||||
fmt.Printf("%c", r)
|
||||
b.Buf.Insert(b.Pos, r)
|
||||
b.Pos += 1
|
||||
if b.Pos > 0 && b.Pos%b.LineWidth == 0 {
|
||||
fmt.Printf("\n%s", b.Prompt.AltPrompt)
|
||||
}
|
||||
b.drawRemaining()
|
||||
}
|
||||
}
|
||||
|
||||
func (b *Buffer) drawRemaining() {
|
||||
var place int
|
||||
remainingText := b.StringN(b.Pos)
|
||||
if b.Pos > 0 {
|
||||
place = b.Pos % b.LineWidth
|
||||
}
|
||||
fmt.Printf(CursorHide)
|
||||
|
||||
// render the rest of the current line
|
||||
currLine := remainingText[:min(b.LineWidth-place, len(remainingText))]
|
||||
if len(currLine) > 0 {
|
||||
fmt.Printf(ClearToEOL + currLine)
|
||||
fmt.Printf(cursorLeftN(len(currLine)))
|
||||
} else {
|
||||
fmt.Printf(ClearToEOL)
|
||||
}
|
||||
|
||||
// render the other lines
|
||||
if len(remainingText) > len(currLine) {
|
||||
remaining := []rune(remainingText[len(currLine):])
|
||||
var totalLines int
|
||||
for i, c := range remaining {
|
||||
if i%b.LineWidth == 0 {
|
||||
fmt.Printf("\n%s", b.Prompt.AltPrompt)
|
||||
totalLines += 1
|
||||
}
|
||||
fmt.Printf("%c", c)
|
||||
}
|
||||
fmt.Printf(ClearToEOL)
|
||||
fmt.Printf(cursorUpN(totalLines))
|
||||
fmt.Printf(CursorBOL + cursorRightN(b.Width-len(currLine)))
|
||||
}
|
||||
|
||||
fmt.Printf(CursorShow)
|
||||
}
|
||||
|
||||
func (b *Buffer) Remove() {
|
||||
if b.Buf.Size() > 0 && b.Pos > 0 {
|
||||
if b.Pos%b.LineWidth == 0 {
|
||||
// if the user backspaces over the word boundary, do this magic to clear the line
|
||||
// and move to the end of the previous line
|
||||
fmt.Printf(CursorBOL + ClearToEOL)
|
||||
fmt.Printf(CursorUp + CursorBOL + cursorRightN(b.Width) + " " + CursorLeft)
|
||||
} else {
|
||||
fmt.Printf(CursorLeft + " " + CursorLeft)
|
||||
}
|
||||
|
||||
var eraseExtraLine bool
|
||||
if (b.Size()-1)%b.LineWidth == 0 {
|
||||
eraseExtraLine = true
|
||||
}
|
||||
|
||||
b.Pos -= 1
|
||||
b.Buf.Remove(b.Pos)
|
||||
|
||||
if b.Pos < b.Size() {
|
||||
b.drawRemaining()
|
||||
// this erases a line which is left over when backspacing in the middle of a line and there
|
||||
// are trailing characters which go over the line width boundary
|
||||
if eraseExtraLine {
|
||||
remainingLines := (b.Size() - b.Pos) / b.LineWidth
|
||||
fmt.Printf(cursorDownN(remainingLines+1) + CursorBOL + ClearToEOL)
|
||||
place := b.Pos % b.LineWidth
|
||||
fmt.Printf(cursorUpN(remainingLines+1) + cursorRightN(place+len(b.Prompt.Prompt)))
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (b *Buffer) Delete() {
|
||||
if b.Size() > 0 && b.Pos < b.Size() {
|
||||
b.Buf.Remove(b.Pos)
|
||||
b.drawRemaining()
|
||||
if b.Size()%b.LineWidth == 0 {
|
||||
if b.Pos != b.Size() {
|
||||
remainingLines := (b.Size() - b.Pos) / b.LineWidth
|
||||
fmt.Printf(cursorDownN(remainingLines) + CursorBOL + ClearToEOL)
|
||||
place := b.Pos % b.LineWidth
|
||||
fmt.Printf(cursorUpN(remainingLines) + cursorRightN(place+len(b.Prompt.Prompt)))
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (b *Buffer) DeleteBefore() {
|
||||
if b.Pos > 0 {
|
||||
for cnt := b.Pos - 1; cnt >= 0; cnt-- {
|
||||
b.Remove()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (b *Buffer) DeleteRemaining() {
|
||||
if b.Size() > 0 && b.Pos < b.Size() {
|
||||
charsToDel := b.Size() - b.Pos
|
||||
for cnt := 0; cnt < charsToDel; cnt++ {
|
||||
b.Delete()
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (b *Buffer) DeleteWord() {
|
||||
if b.Buf.Size() > 0 && b.Pos > 0 {
|
||||
var foundNonspace bool
|
||||
for {
|
||||
v, _ := b.Buf.Get(b.Pos - 1)
|
||||
if v == ' ' {
|
||||
if !foundNonspace {
|
||||
b.Remove()
|
||||
} else {
|
||||
break
|
||||
}
|
||||
} else {
|
||||
foundNonspace = true
|
||||
b.Remove()
|
||||
}
|
||||
|
||||
if b.Pos == 0 {
|
||||
break
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (b *Buffer) ClearScreen() {
|
||||
fmt.Printf(ClearScreen + CursorReset + b.Prompt.Prompt)
|
||||
if b.IsEmpty() {
|
||||
ph := b.Prompt.Placeholder
|
||||
fmt.Printf(ColorGrey + ph + cursorLeftN(len(ph)) + ColorDefault)
|
||||
} else {
|
||||
currPos := b.Pos
|
||||
b.Pos = 0
|
||||
b.drawRemaining()
|
||||
fmt.Printf(CursorReset + cursorRightN(len(b.Prompt.Prompt)))
|
||||
if currPos > 0 {
|
||||
targetLine := currPos / b.LineWidth
|
||||
if targetLine > 0 {
|
||||
for cnt := 0; cnt < targetLine; cnt++ {
|
||||
fmt.Printf(CursorDown)
|
||||
}
|
||||
}
|
||||
remainder := currPos % b.LineWidth
|
||||
if remainder > 0 {
|
||||
fmt.Printf(cursorRightN(remainder))
|
||||
}
|
||||
if currPos%b.LineWidth == 0 {
|
||||
fmt.Printf(CursorBOL + b.Prompt.AltPrompt)
|
||||
}
|
||||
}
|
||||
b.Pos = currPos
|
||||
}
|
||||
}
|
||||
|
||||
func (b *Buffer) IsEmpty() bool {
|
||||
return b.Buf.Empty()
|
||||
}
|
||||
|
||||
func (b *Buffer) Replace(r []rune) {
|
||||
b.Pos = 0
|
||||
b.Buf.Clear()
|
||||
fmt.Printf(ClearLine + CursorBOL + b.Prompt.Prompt)
|
||||
for _, c := range r {
|
||||
b.Add(c)
|
||||
}
|
||||
}
|
||||
|
||||
func (b *Buffer) String() string {
|
||||
return b.StringN(0)
|
||||
}
|
||||
|
||||
func (b *Buffer) StringN(n int) string {
|
||||
return b.StringNM(n, 0)
|
||||
}
|
||||
|
||||
func (b *Buffer) StringNM(n, m int) string {
|
||||
var s string
|
||||
if m == 0 {
|
||||
m = b.Size()
|
||||
}
|
||||
for cnt := n; cnt < m; cnt++ {
|
||||
c, _ := b.Buf.Get(cnt)
|
||||
s += string(c.(rune))
|
||||
}
|
||||
return s
|
||||
}
|
||||
|
||||
func cursorLeftN(n int) string {
|
||||
return fmt.Sprintf(CursorLeftN, n)
|
||||
}
|
||||
|
||||
func cursorRightN(n int) string {
|
||||
return fmt.Sprintf(CursorRightN, n)
|
||||
}
|
||||
|
||||
func cursorUpN(n int) string {
|
||||
return fmt.Sprintf(CursorUpN, n)
|
||||
}
|
||||
|
||||
func cursorDownN(n int) string {
|
||||
return fmt.Sprintf(CursorDownN, n)
|
||||
}
|
||||
17
readline/errors.go
Normal file
17
readline/errors.go
Normal file
|
|
@ -0,0 +1,17 @@
|
|||
package readline
|
||||
|
||||
import (
|
||||
"errors"
|
||||
)
|
||||
|
||||
var (
|
||||
ErrInterrupt = errors.New("Interrupt")
|
||||
)
|
||||
|
||||
type InterruptError struct {
|
||||
Line []rune
|
||||
}
|
||||
|
||||
func (*InterruptError) Error() string {
|
||||
return "Interrupted"
|
||||
}
|
||||
152
readline/history.go
Normal file
152
readline/history.go
Normal file
|
|
@ -0,0 +1,152 @@
|
|||
package readline
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"errors"
|
||||
"io"
|
||||
"os"
|
||||
"path/filepath"
|
||||
"strings"
|
||||
|
||||
"github.com/emirpasic/gods/lists/arraylist"
|
||||
)
|
||||
|
||||
type History struct {
|
||||
Buf *arraylist.List
|
||||
Autosave bool
|
||||
Pos int
|
||||
Limit int
|
||||
Filename string
|
||||
Enabled bool
|
||||
}
|
||||
|
||||
func NewHistory() (*History, error) {
|
||||
h := &History{
|
||||
Buf: arraylist.New(),
|
||||
Limit: 100, //resizeme
|
||||
Autosave: true,
|
||||
Enabled: true,
|
||||
}
|
||||
|
||||
err := h.Init()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return h, nil
|
||||
}
|
||||
|
||||
func (h *History) Init() error {
|
||||
home, err := os.UserHomeDir()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
path := filepath.Join(home, ".ollama", "history")
|
||||
h.Filename = path
|
||||
|
||||
//todo check if the file exists
|
||||
f, err := os.OpenFile(path, os.O_CREATE|os.O_RDONLY, 0600)
|
||||
if err != nil {
|
||||
if errors.Is(err, os.ErrNotExist) {
|
||||
return nil
|
||||
}
|
||||
return err
|
||||
}
|
||||
defer f.Close()
|
||||
|
||||
r := bufio.NewReader(f)
|
||||
for {
|
||||
line, err := r.ReadString('\n')
|
||||
if err != nil {
|
||||
if err == io.EOF {
|
||||
break
|
||||
}
|
||||
return err
|
||||
}
|
||||
|
||||
line = strings.TrimSpace(line)
|
||||
if len(line) == 0 {
|
||||
continue
|
||||
}
|
||||
|
||||
h.Add([]rune(line))
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
func (h *History) Add(l []rune) {
|
||||
h.Buf.Add(l)
|
||||
h.Pos = h.Size()
|
||||
h.Compact()
|
||||
if h.Autosave {
|
||||
h.Save()
|
||||
}
|
||||
}
|
||||
|
||||
func (h *History) Compact() {
|
||||
s := h.Buf.Size()
|
||||
if s > h.Limit {
|
||||
for cnt := 0; cnt < s-h.Limit; cnt++ {
|
||||
h.Buf.Remove(0)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func (h *History) Clear() {
|
||||
h.Buf.Clear()
|
||||
}
|
||||
|
||||
func (h *History) Prev() []rune {
|
||||
var line []rune
|
||||
if h.Pos > 0 {
|
||||
h.Pos -= 1
|
||||
}
|
||||
v, _ := h.Buf.Get(h.Pos)
|
||||
line, _ = v.([]rune)
|
||||
return line
|
||||
}
|
||||
|
||||
func (h *History) Next() []rune {
|
||||
var line []rune
|
||||
if h.Pos < h.Buf.Size() {
|
||||
h.Pos += 1
|
||||
v, _ := h.Buf.Get(h.Pos)
|
||||
line, _ = v.([]rune)
|
||||
}
|
||||
return line
|
||||
}
|
||||
|
||||
func (h *History) Size() int {
|
||||
return h.Buf.Size()
|
||||
}
|
||||
|
||||
func (h *History) Save() error {
|
||||
if !h.Enabled {
|
||||
return nil
|
||||
}
|
||||
|
||||
tmpFile := h.Filename + ".tmp"
|
||||
|
||||
f, err := os.OpenFile(tmpFile, os.O_CREATE|os.O_WRONLY|os.O_TRUNC|os.O_APPEND, 0666)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
defer f.Close()
|
||||
|
||||
buf := bufio.NewWriter(f)
|
||||
for cnt := 0; cnt < h.Size(); cnt++ {
|
||||
v, _ := h.Buf.Get(cnt)
|
||||
line, _ := v.([]rune)
|
||||
buf.WriteString(string(line) + "\n")
|
||||
}
|
||||
buf.Flush()
|
||||
f.Close()
|
||||
|
||||
if err = os.Rename(tmpFile, h.Filename); err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
254
readline/readline.go
Normal file
254
readline/readline.go
Normal file
|
|
@ -0,0 +1,254 @@
|
|||
package readline
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"fmt"
|
||||
"io"
|
||||
"os"
|
||||
"sync"
|
||||
"syscall"
|
||||
)
|
||||
|
||||
type Prompt struct {
|
||||
Prompt string
|
||||
AltPrompt string
|
||||
Placeholder string
|
||||
AltPlaceholder string
|
||||
UseAlt bool
|
||||
}
|
||||
|
||||
type Terminal struct {
|
||||
m sync.Mutex
|
||||
wg sync.WaitGroup
|
||||
outchan chan rune
|
||||
}
|
||||
|
||||
type Instance struct {
|
||||
Prompt *Prompt
|
||||
Terminal *Terminal
|
||||
History *History
|
||||
}
|
||||
|
||||
func New(prompt Prompt) (*Instance, error) {
|
||||
term, err := NewTerminal()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
history, err := NewHistory()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return &Instance{
|
||||
Prompt: &prompt,
|
||||
Terminal: term,
|
||||
History: history,
|
||||
}, nil
|
||||
}
|
||||
|
||||
func (i *Instance) Readline() (string, error) {
|
||||
prompt := i.Prompt.Prompt
|
||||
if i.Prompt.UseAlt {
|
||||
prompt = i.Prompt.AltPrompt
|
||||
}
|
||||
fmt.Printf(prompt)
|
||||
|
||||
termios, err := SetRawMode(syscall.Stdin)
|
||||
if err != nil {
|
||||
return "", err
|
||||
}
|
||||
defer UnsetRawMode(syscall.Stdin, termios)
|
||||
|
||||
buf, _ := NewBuffer(i.Prompt)
|
||||
|
||||
var esc bool
|
||||
var escex bool
|
||||
var metaDel bool
|
||||
var bracketedPaste bool
|
||||
var ignoreEnter bool
|
||||
|
||||
var currentLineBuf []rune
|
||||
|
||||
for {
|
||||
if buf.IsEmpty() {
|
||||
ph := i.Prompt.Placeholder
|
||||
if i.Prompt.UseAlt {
|
||||
ph = i.Prompt.AltPlaceholder
|
||||
}
|
||||
fmt.Printf(ColorGrey + ph + fmt.Sprintf(CursorLeftN, len(ph)) + ColorDefault)
|
||||
}
|
||||
|
||||
r := i.Terminal.ReadRune()
|
||||
if buf.IsEmpty() {
|
||||
fmt.Printf(ClearToEOL)
|
||||
}
|
||||
|
||||
if r == 0 { // io.EOF
|
||||
break
|
||||
}
|
||||
|
||||
if escex {
|
||||
escex = false
|
||||
|
||||
switch r {
|
||||
case KeyUp:
|
||||
if i.History.Pos > 0 {
|
||||
if i.History.Pos == i.History.Size() {
|
||||
currentLineBuf = []rune(buf.String())
|
||||
}
|
||||
buf.Replace(i.History.Prev())
|
||||
}
|
||||
case KeyDown:
|
||||
if i.History.Pos < i.History.Size() {
|
||||
buf.Replace(i.History.Next())
|
||||
if i.History.Pos == i.History.Size() {
|
||||
buf.Replace(currentLineBuf)
|
||||
}
|
||||
}
|
||||
case KeyLeft:
|
||||
buf.MoveLeft()
|
||||
case KeyRight:
|
||||
buf.MoveRight()
|
||||
case CharBracketedPaste:
|
||||
bracketedPaste = true
|
||||
case KeyDel:
|
||||
if buf.Size() > 0 {
|
||||
buf.Delete()
|
||||
}
|
||||
metaDel = true
|
||||
case MetaStart:
|
||||
buf.MoveToStart()
|
||||
case MetaEnd:
|
||||
buf.MoveToEnd()
|
||||
default:
|
||||
// skip any keys we don't know about
|
||||
continue
|
||||
}
|
||||
continue
|
||||
} else if esc {
|
||||
esc = false
|
||||
|
||||
switch r {
|
||||
case 'b':
|
||||
buf.MoveLeftWord()
|
||||
case 'f':
|
||||
buf.MoveRightWord()
|
||||
case CharEscapeEx:
|
||||
escex = true
|
||||
}
|
||||
continue
|
||||
}
|
||||
|
||||
switch r {
|
||||
case CharBracketedPasteStart:
|
||||
if bracketedPaste {
|
||||
ignoreEnter = true
|
||||
}
|
||||
case CharEsc:
|
||||
esc = true
|
||||
case CharInterrupt:
|
||||
return "", ErrInterrupt
|
||||
case CharLineStart:
|
||||
buf.MoveToStart()
|
||||
case CharLineEnd:
|
||||
buf.MoveToEnd()
|
||||
case CharBackward:
|
||||
buf.MoveLeft()
|
||||
case CharForward:
|
||||
buf.MoveRight()
|
||||
case CharBackspace, CharCtrlH:
|
||||
buf.Remove()
|
||||
case CharTab:
|
||||
// todo: convert back to real tabs
|
||||
for cnt := 0; cnt < 8; cnt++ {
|
||||
buf.Add(' ')
|
||||
}
|
||||
case CharDelete:
|
||||
if buf.Size() > 0 {
|
||||
buf.Delete()
|
||||
} else {
|
||||
return "", io.EOF
|
||||
}
|
||||
case CharKill:
|
||||
buf.DeleteRemaining()
|
||||
case CharCtrlU:
|
||||
buf.DeleteBefore()
|
||||
case CharCtrlL:
|
||||
buf.ClearScreen()
|
||||
case CharCtrlW:
|
||||
buf.DeleteWord()
|
||||
case CharEnter:
|
||||
if !ignoreEnter {
|
||||
output := buf.String()
|
||||
if output != "" {
|
||||
i.History.Add([]rune(output))
|
||||
}
|
||||
buf.MoveToEnd()
|
||||
fmt.Println()
|
||||
return output, nil
|
||||
}
|
||||
fallthrough
|
||||
default:
|
||||
if metaDel {
|
||||
metaDel = false
|
||||
continue
|
||||
}
|
||||
if r >= CharSpace || r == CharEnter {
|
||||
buf.Add(r)
|
||||
}
|
||||
}
|
||||
}
|
||||
return "", nil
|
||||
}
|
||||
|
||||
func (i *Instance) Close() error {
|
||||
return i.Terminal.Close()
|
||||
}
|
||||
|
||||
func (i *Instance) HistoryEnable() {
|
||||
i.History.Enabled = true
|
||||
}
|
||||
|
||||
func (i *Instance) HistoryDisable() {
|
||||
i.History.Enabled = false
|
||||
}
|
||||
|
||||
func NewTerminal() (*Terminal, error) {
|
||||
t := &Terminal{
|
||||
outchan: make(chan rune),
|
||||
}
|
||||
|
||||
go t.ioloop()
|
||||
|
||||
return t, nil
|
||||
}
|
||||
|
||||
func (t *Terminal) ioloop() {
|
||||
buf := bufio.NewReader(os.Stdin)
|
||||
|
||||
for {
|
||||
r, _, err := buf.ReadRune()
|
||||
if err != nil {
|
||||
break
|
||||
}
|
||||
t.outchan <- r
|
||||
if r == 0 { // EOF
|
||||
break
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
func (t *Terminal) ReadRune() rune {
|
||||
r, ok := <-t.outchan
|
||||
if !ok {
|
||||
return rune(0)
|
||||
}
|
||||
return r
|
||||
}
|
||||
|
||||
func (t *Terminal) Close() error {
|
||||
close(t.outchan)
|
||||
return nil
|
||||
}
|
||||
35
readline/term.go
Normal file
35
readline/term.go
Normal file
|
|
@ -0,0 +1,35 @@
|
|||
// +build aix darwin dragonfly freebsd linux,!appengine netbsd openbsd os400 solaris
|
||||
package readline
|
||||
|
||||
import (
|
||||
"syscall"
|
||||
)
|
||||
|
||||
type Termios syscall.Termios
|
||||
|
||||
func SetRawMode(fd int) (*Termios, error) {
|
||||
termios, err := getTermios(fd)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
newTermios := *termios
|
||||
newTermios.Iflag &^= syscall.IGNBRK | syscall.BRKINT | syscall.PARMRK | syscall.ISTRIP | syscall.INLCR | syscall.IGNCR | syscall.ICRNL | syscall.IXON
|
||||
newTermios.Lflag &^= syscall.ECHO | syscall.ECHONL | syscall.ICANON | syscall.ISIG | syscall.IEXTEN
|
||||
newTermios.Cflag &^= syscall.CSIZE | syscall.PARENB
|
||||
newTermios.Cflag |= syscall.CS8
|
||||
newTermios.Cc[syscall.VMIN] = 1
|
||||
newTermios.Cc[syscall.VTIME] = 0
|
||||
|
||||
return termios, setTermios(fd, &newTermios)
|
||||
}
|
||||
|
||||
func UnsetRawMode(fd int, termios *Termios) error {
|
||||
return setTermios(fd, termios)
|
||||
}
|
||||
|
||||
// IsTerminal returns true if the given file descriptor is a terminal.
|
||||
func IsTerminal(fd int) bool {
|
||||
_, err := getTermios(fd)
|
||||
return err == nil
|
||||
}
|
||||
24
readline/term_bsd.go
Normal file
24
readline/term_bsd.go
Normal file
|
|
@ -0,0 +1,24 @@
|
|||
// go build darwin dragonfly freebsd netbsd openbsd
|
||||
package readline
|
||||
|
||||
import (
|
||||
"syscall"
|
||||
"unsafe"
|
||||
)
|
||||
|
||||
func getTermios(fd int) (*Termios, error) {
|
||||
termios := new(Termios)
|
||||
_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), syscall.TIOCGETA, uintptr(unsafe.Pointer(termios)), 0, 0, 0)
|
||||
if err != 0 {
|
||||
return nil, err
|
||||
}
|
||||
return termios, nil
|
||||
}
|
||||
|
||||
func setTermios(fd int, termios *Termios) error {
|
||||
_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), syscall.TIOCSETA, uintptr(unsafe.Pointer(termios)), 0, 0, 0)
|
||||
if err != 0 {
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
26
readline/term_linux.go
Normal file
26
readline/term_linux.go
Normal file
|
|
@ -0,0 +1,26 @@
|
|||
package readline
|
||||
|
||||
import (
|
||||
"syscall"
|
||||
"unsafe"
|
||||
)
|
||||
|
||||
const tcgets = 0x5401
|
||||
const tcsets = 0x5402
|
||||
|
||||
func getTermios(fd int) (*Termios, error) {
|
||||
termios := new(Termios)
|
||||
_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), tcgets, uintptr(unsafe.Pointer(termios)), 0, 0, 0)
|
||||
if err != 0 {
|
||||
return nil, err
|
||||
}
|
||||
return termios, nil
|
||||
}
|
||||
|
||||
func setTermios(fd int, termios *Termios) error {
|
||||
_, _, err := syscall.Syscall6(syscall.SYS_IOCTL, uintptr(fd), tcsets, uintptr(unsafe.Pointer(termios)), 0, 0, 0)
|
||||
if err != 0 {
|
||||
return err
|
||||
}
|
||||
return nil
|
||||
}
|
||||
77
readline/types.go
Normal file
77
readline/types.go
Normal file
|
|
@ -0,0 +1,77 @@
|
|||
package readline
|
||||
|
||||
const (
|
||||
CharLineStart = 1
|
||||
CharBackward = 2
|
||||
CharInterrupt = 3
|
||||
CharDelete = 4
|
||||
CharLineEnd = 5
|
||||
CharForward = 6
|
||||
CharBell = 7
|
||||
CharCtrlH = 8
|
||||
CharTab = 9
|
||||
CharCtrlJ = 10
|
||||
CharKill = 11
|
||||
CharCtrlL = 12
|
||||
CharEnter = 13
|
||||
CharNext = 14
|
||||
CharPrev = 16
|
||||
CharBckSearch = 18
|
||||
CharFwdSearch = 19
|
||||
CharTranspose = 20
|
||||
CharCtrlU = 21
|
||||
CharCtrlW = 23
|
||||
CharCtrlY = 25
|
||||
CharCtrlZ = 26
|
||||
CharEsc = 27
|
||||
CharSpace = 32
|
||||
CharEscapeEx = 91
|
||||
CharBackspace = 127
|
||||
)
|
||||
|
||||
const (
|
||||
KeyDel = 51
|
||||
KeyUp = 65
|
||||
KeyDown = 66
|
||||
KeyRight = 67
|
||||
KeyLeft = 68
|
||||
MetaEnd = 70
|
||||
MetaStart = 72
|
||||
)
|
||||
|
||||
const (
|
||||
CursorUp = "\033[1A"
|
||||
CursorDown = "\033[1B"
|
||||
CursorRight = "\033[1C"
|
||||
CursorLeft = "\033[1D"
|
||||
|
||||
CursorSave = "\033[s"
|
||||
CursorRestore = "\033[u"
|
||||
|
||||
CursorUpN = "\033[%dA"
|
||||
CursorDownN = "\033[%dB"
|
||||
CursorRightN = "\033[%dC"
|
||||
CursorLeftN = "\033[%dD"
|
||||
|
||||
CursorEOL = "\033[E"
|
||||
CursorBOL = "\033[1G"
|
||||
CursorHide = "\033[?25l"
|
||||
CursorShow = "\033[?25h"
|
||||
|
||||
ClearToEOL = "\033[K"
|
||||
ClearLine = "\033[2K"
|
||||
ClearScreen = "\033[2J"
|
||||
CursorReset = "\033[0;0f"
|
||||
|
||||
ColorGrey = "\033[38;5;245m"
|
||||
ColorDefault = "\033[0m"
|
||||
|
||||
StartBracketedPaste = "\033[?2004h"
|
||||
EndBracketedPaste = "\033[?2004l"
|
||||
)
|
||||
|
||||
const (
|
||||
CharBracketedPaste = 50
|
||||
CharBracketedPasteStart = 0
|
||||
CharBracketedPasteEnd = 1
|
||||
)
|
||||
Loading…
Reference in a new issue