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package commands
import (
"errors"
"github.com/google/shlex"
"git.sr.ht/~sircmpwn/aerc2/widgets"
)
type AercCommand func(aerc *widgets.Aerc, args []string) error
type Commands map[string]AercCommand
func NewCommands() *Commands {
cmds := Commands(make(map[string]AercCommand))
return &cmds
}
func (cmds *Commands) dict() map[string]AercCommand {
return map[string]AercCommand(*cmds)
}
func (cmds *Commands) Register(name string, cmd AercCommand) {
cmds.dict()[name] = cmd
}
type NoSuchCommand string
func (err NoSuchCommand) Error() string {
return "Unknown command " + string(err)
}
type CommandSource interface {
Commands() *Commands
}
func (cmds *Commands) ExecuteCommand(aerc *widgets.Aerc, cmd string) error {
args, err := shlex.Split(cmd)
if err != nil {
return err
}
if len(args) == 0 {
return errors.New("Expected a command.")
}
if fn, ok := cmds.dict()[args[0]]; ok {
return fn(aerc, args)
}
return NoSuchCommand(args[0])
}
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