micro/agent/command/command.go

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2019-05-31 02:18:41 +03:00
// Package command is an interface for defining bot commands
package command
var (
// Commmands keyed by golang/regexp patterns
// regexp.Match(key, input) is used to match
Commands = map[string]Command{}
)
// Command is the interface for specific named
// commands executed via plugins or the bot.
type Command interface {
// Executes the command with args passed in
Exec(args ...string) ([]byte, error)
// Usage of the command
Usage() string
// Description of the command
Description() string
// Name of the command
String() string
}
type cmd struct {
name string
usage string
description string
exec func(args ...string) ([]byte, error)
}
func (c *cmd) Description() string {
return c.description
}
func (c *cmd) Exec(args ...string) ([]byte, error) {
return c.exec(args...)
}
func (c *cmd) Usage() string {
return c.usage
}
func (c *cmd) String() string {
return c.name
}
// NewCommand helps quickly create a new command
func NewCommand(name, usage, description string, exec func(args ...string) ([]byte, error)) Command {
return &cmd{
name: name,
usage: usage,
description: description,
exec: exec,
}
}