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// License: GPLv3 Copyright: 2023, Kovid Goyal, <kovid at kovidgoyal.net>
package show_error
import (
"encoding/json"
"fmt"
"io"
"os"
"github.com/kovidgoyal/kitty/tools/cli"
"github.com/kovidgoyal/kitty/tools/cli/markup"
"github.com/kovidgoyal/kitty/tools/tty"
"github.com/kovidgoyal/kitty/tools/tui"
"github.com/kovidgoyal/kitty/tools/tui/loop"
)
var _ = fmt.Print
type Options struct {
Title string
}
type Message struct {
Msg string `json:"msg"`
Traceback string `json:"tb"`
}
func main(args []string, opts *Options) (rc int, err error) {
if tty.IsTerminal(os.Stdin.Fd()) {
return 1, fmt.Errorf("Input data for this kitten must be piped as JSON to STDIN")
}
data, err := io.ReadAll(os.Stdin)
if err != nil {
return 1, err
}
m := Message{}
err = json.Unmarshal(data, &m)
if err != nil {
return 1, err
}
f := markup.New(true)
if opts.Title != "" {
fmt.Println(f.Err(opts.Title))
fmt.Println(loop.EscapeCodeToSetWindowTitle(opts.Title))
fmt.Println()
}
fmt.Println(m.Msg)
show_traceback := false
if m.Traceback != "" {
lp, err := loop.New(loop.NoAlternateScreen, loop.NoRestoreColors, loop.NoMouseTracking)
if err != nil {
return 1, err
}
lp.OnInitialize = func() (string, error) {
lp.SetCursorVisible(false)
lp.QueueWriteString("\n\r\x1b[1;32mPress e to see detailed traceback or any other key to exit\x1b[m\r\n")
return "", nil
}
lp.OnFinalize = func() string {
lp.SetCursorVisible(true)
return ""
}
lp.OnKeyEvent = func(event *loop.KeyEvent) error {
if event.Type == loop.PRESS || event.Type == loop.REPEAT {
if event.MatchesPressOrRepeat("e") || event.MatchesPressOrRepeat("shift+e") || event.MatchesPressOrRepeat("E") {
show_traceback = true
lp.Quit(0)
} else {
lp.Quit(1)
}
}
if event.MatchesPressOrRepeat("enter") || event.MatchesPressOrRepeat("kp_enter") || event.MatchesPressOrRepeat("esc") || event.MatchesPressOrRepeat("ctrl+c") || event.MatchesPressOrRepeat("ctrl+d") {
event.Handled = true
lp.Quit(0)
}
return nil
}
lp.Run()
if lp.ExitCode() == 1 {
return 0, nil
}
}
if show_traceback {
fmt.Println(m.Traceback)
fmt.Println()
}
tui.HoldTillEnter(true)
return
}
func EntryPoint(root *cli.Command) *cli.Command {
sc := root.AddSubCommand(&cli.Command{
Name: "__show_error__",
Hidden: true,
Usage: "[options]",
ShortDescription: "Show an error message. Internal use.",
HelpText: "Show an error message. Used internally by kitty.",
Run: func(cmd *cli.Command, args []string) (ret int, err error) {
opts := &Options{}
err = cmd.GetOptionValues(opts)
if err != nil {
return 1, err
}
return main(args, opts)
},
})
sc.Add(cli.OptionSpec{
Name: "--title",
Default: "ERROR",
Help: "The title for the error message",
})
return sc
}
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