aerc/commands/prompt.go

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package commands
import (
"fmt"
"strings"
"git.sr.ht/~rjarry/aerc/widgets"
)
type Prompt struct{}
func init() {
register(Prompt{})
}
func (Prompt) Aliases() []string {
return []string{"prompt"}
}
func (Prompt) Complete(aerc *widgets.Aerc, args []string) []string {
argc := len(args)
if argc == 0 {
return nil
}
hascommand := argc > 2
if argc == 1 {
args = append(args, "")
}
cmd := GlobalCommands.ByName(args[1])
var cs []string
if cmd != nil {
cs = cmd.Complete(aerc, args[2:])
hascommand = true
} else {
if hascommand {
return nil
}
cs = GlobalCommands.GetCompletions(aerc, args[1])
}
if cs == nil {
return nil
}
var b strings.Builder
// it seems '' quoting is enough
// to keep quoted arguments in one piece
b.WriteRune('\'')
b.WriteString(args[0])
b.WriteRune('\'')
b.WriteRune(' ')
if hascommand {
b.WriteString(args[1])
b.WriteRune(' ')
}
src := b.String()
b.Reset()
rs := make([]string, 0, len(cs))
for _, c := range cs {
b.WriteString(src)
b.WriteString(c)
rs = append(rs, b.String())
b.Reset()
}
return rs
}
func (Prompt) Execute(aerc *widgets.Aerc, args []string) error {
if len(args) < 3 {
return fmt.Errorf("Usage: %s <prompt> <cmd>", args[0])
}
prompt := args[1]
cmd := args[2:]
aerc.RegisterPrompt(prompt, cmd)
return nil
}