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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -2,4 +2,5 @@ | |
| /demo* | ||
| /profile/ | ||
| .coverprofile | ||
| *.swp | ||
| *.log | ||
| *.swp | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,107 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "errors" | ||
| "flag" | ||
| "fmt" | ||
| "os" | ||
| "time" | ||
|
|
||
| "github.com/jedib0t/go-pretty/v6/prompt" | ||
| "github.com/jedib0t/go-pretty/v6/text" | ||
| "github.com/nsf/termbox-go" | ||
| ) | ||
|
|
||
| var ( | ||
| flagDebug = flag.Bool("debug", false, "Write debug logs to prompt.log?") | ||
| flagNoTermBox = flag.Bool("no-termbox", false, "Do not use TermBox?") | ||
| flagTestTermBox = flag.Bool("test-termbox", false, "Test TermBox?") | ||
| ) | ||
|
|
||
| func demoPrompt() { | ||
| colorFaint := text.FgHiBlack | ||
| colorTitle := text.Colors{text.FgHiCyan, text.Bold} | ||
| count := 0 | ||
| errStop := errors.New("demo.stop") | ||
| inputHandler := prompt.Callback(func(userInput string, err error) error { | ||
| // handle errors and user exit attempts | ||
| if err != nil { | ||
| if err == prompt.ErrAbort { | ||
| return errStop | ||
| } | ||
| return err | ||
| } else if userInput == "/quit" { | ||
| return errStop | ||
| } | ||
|
|
||
| // deal with user input: to keep it a simple demo, just print it out | ||
| count++ | ||
| fmt.Println(colorFaint.Sprintf("userInput: %#v", userInput)) | ||
| return nil | ||
| }) | ||
| timeStart := time.Now() | ||
| title := "" + | ||
| colorTitle.Sprint("********************************************************************") + "\n" + | ||
| colorTitle.Sprint("*** SQL prompt powered by github.com/jedib0t/go-pretty/v6/prompt ***") + "\n" + | ||
| colorTitle.Sprint("********************************************************************") + "\n" + | ||
| colorFaint.Sprint("(press Ctrl+D or type '/quit' and press Enter to terminate)") | ||
|
|
||
| p := prompt.NewWriter() | ||
| if *flagDebug { | ||
| p.Debug() | ||
| } | ||
| if *flagNoTermBox { | ||
| p.DoNotUseTermbox() | ||
| } | ||
| p.SetAutoCompleter(prompt.AutoCompleteSQLKeywords()) | ||
| p.SetHistory([]string{ | ||
| "SELECT * FROM employees WHERE id = 1;", | ||
| "SELECT * FROM employees WHERE\n\tid BETWEEN (1, 101) AND\n\temployees.salary > 13000;", | ||
| }) | ||
| p.SetStyle(prompt.StyleColored) | ||
| p.SetTerminationChecker(prompt.TerminationCheckerSQL) | ||
| p.SetTitle(title) | ||
| p.Style().SyntaxHighlighter = prompt.SyntaxHighlighterOptionsSQL | ||
| defer func() { | ||
| fmt.Printf(colorFaint.Sprintf( | ||
| "Bye! (evaluated %d command(s) in %s)\n", count, time.Since(timeStart).Round(time.Second), | ||
| )) | ||
| }() | ||
|
|
||
| if err := p.Render(inputHandler); err != nil { | ||
| if err != errStop { | ||
| fmt.Printf("ERROR: %v\n", err) | ||
| os.Exit(-1) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func testTermBoxPolling() { | ||
| err := termbox.Init() | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| count := 0 | ||
| fmt.Printf("Polling for events... (press Ctrl+D to exit)\n") | ||
| for { | ||
| event := termbox.PollEvent() | ||
| count++ | ||
| fmt.Printf(">> %#v [ch: %c]\n", event, event.Ch) | ||
| if event.Key == termbox.KeyCtrlD { | ||
| break | ||
| } | ||
| } | ||
| termbox.Close() | ||
|
|
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| fmt.Printf("Polling for events... done! [found %d events]\n", count) | ||
| } | ||
|
|
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| func main() { | ||
| flag.Parse() | ||
|
|
||
| if *flagTestTermBox { | ||
| testTermBoxPolling() | ||
| } else { | ||
| demoPrompt() | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,4 @@ | ||
| # Prompt | ||
| [](https://pkg.go.dev/github.com/jedib0t/go-pretty/v6/prompt) | ||
|
|
||
| A customizable prompt for building your own CLIs. |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| package prompt | ||
|
|
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| // Action defines an activity that is done based on a key sequence. | ||
| type Action string | ||
|
|
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| // Supported Actions. | ||
| const ( | ||
| None Action = "" // no action | ||
| Abort Action = "Abort" // abort the prompt completely and return to caller | ||
|
|
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| // insert-mode actions | ||
| DeleteCharCurrent Action = "DeleteCharCurrent" // delete the character at the cursor | ||
| DeleteCharPrevious Action = "DeleteCharPrevious" // delete the character before the cursor | ||
| DeleteWordNext Action = "DeleteWordNext" // delete the next work | ||
| DeleteWordPrevious Action = "DeleteWordPrevious" // delete the previous word | ||
| EraseEverything Action = "EraseEverything" // erase the entire prompt | ||
| EraseToBeginningOfLine Action = "EraseToBeginningOfLine" // erase from cursor to the the beginning of current line | ||
| EraseToEndOfLine Action = "EraseToEndOfLine" // erase from cursor to the the end of current line | ||
| HistoryDown Action = "HistoryDown" // show command executed after current command if any | ||
| HistoryUp Action = "HistoryUp" // show previously executed command if any | ||
| MakeWordCapitalCase Action = "MakeWordCapitalCase" // make the word at the cursor capitalized | ||
| MakeWordLowerCase Action = "MakeWordLowerCase" // make the word at the cursor lower case | ||
| MakeWordUpperCase Action = "MakeWordUpperCase" // make the word at the cursor upper case | ||
| MoveDownOneLine Action = "MoveDownOneLine" // move the cursor down one line | ||
| MoveLeftOneCharacter Action = "MoveLeftOneCharacter" // move the cursor left one character | ||
| MoveRightOneCharacter Action = "MoveRightOneCharacter" // move the cursor right one character | ||
| MoveUpOneLine Action = "MoveUpOneLine" // move the cursor up one line | ||
| MoveToBeginning Action = "MoveToBeginning" // move to the beginning of the entire prompt text | ||
| MoveToBeginningOfLine Action = "MoveToBeginningOfLine" // move to the beginning of the current line | ||
| MoveToEnd Action = "MoveToEnd" // move to the end of the entire prompt text | ||
| MoveToEndOfLine Action = "MoveToEndOfLine" // move to the end of the current line | ||
| MoveToWordNext Action = "MoveToWordNext" // move to the beginning of the next word | ||
| MoveToWordPrevious Action = "MoveToWordPrevious" // move to the beginning of the previous word | ||
| SwapCharacterNext Action = "SwapCharacterNext" // swap the character at the cursor with the next | ||
| SwapCharacterPrevious Action = "SwapCharacterPrevious" // swap the character at the cursor with the previous | ||
| SwapWordNext Action = "SwapWordNext" // swap the word at the cursor with the next | ||
| SwapWordPrevious Action = "SwapWordPrevious" // swap the word at the cursor with the previous | ||
| Terminate Action = "Terminate" // trigger the termination checker if any, or call the callback function | ||
|
|
||
| // auto-complete specific actions | ||
| AutoCompleteChooseNext Action = "AutoCompleteChooseNext" // choose the next suggestion | ||
| AutoCompleteChoosePrevious Action = "AutoCompleteChoosePrevious" // choose the previous suggestion | ||
| AutoCompleteHide Action = "AutoCompleteHide" // hide the auto-complete suggestions pop-up | ||
| AutoCompleteSelect Action = "AutoCompleteSelect" // select the current suggestion | ||
| ) |
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