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