init: pristine aerc 0.20.0 source

commands/choose.go

@@ -0,0 +1,53 @@
+package commands
+
+import (
+	"fmt"
+
+	"git.sr.ht/~rjarry/aerc/app"
+)
+
+type Choose struct {
+	Unused struct{} `opt:"-"`
+}
+
+func init() {
+	Register(Choose{})
+}
+
+func (Choose) Description() string {
+	return "Prompt to choose from various options."
+}
+
+func (Choose) Context() CommandContext {
+	return GLOBAL
+}
+
+func (Choose) Aliases() []string {
+	return []string{"choose"}
+}
+
+func (Choose) Execute(args []string) error {
+	if len(args) < 5 || len(args)%4 != 1 {
+		return chooseUsage(args[0])
+	}
+
+	choices := []app.Choice{}
+	for i := 0; i+4 < len(args); i += 4 {
+		if args[i+1] != "-o" {
+			return chooseUsage(args[0])
+		}
+		choices = append(choices, app.Choice{
+			Key:     args[i+2],
+			Text:    args[i+3],
+			Command: args[i+4],
+		})
+	}
+
+	app.RegisterChoices(choices)
+
+	return nil
+}
+
+func chooseUsage(cmd string) error {
+	return fmt.Errorf("Usage: %s -o <key> <text> <command> [-o <key> <text> <command>]...", cmd)
+}