mirror of https://github.com/Hilbis/Hilbish
73 lines
1.6 KiB
Go
73 lines
1.6 KiB
Go
// library for custom commands
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// Commander is a library for writing custom commands in Lua.
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package commander
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import (
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"hilbish/util"
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"hilbish/golibs/bait"
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rt "github.com/arnodel/golua/runtime"
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"github.com/arnodel/golua/lib/packagelib"
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)
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type Commander struct{
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Events *bait.Bait
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Loader packagelib.Loader
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}
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func New(rtm *rt.Runtime) Commander {
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c := Commander{
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Events: bait.New(rtm),
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}
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c.Loader = packagelib.Loader{
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Load: c.loaderFunc,
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Name: "commander",
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}
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return c
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}
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func (c *Commander) loaderFunc(rtm *rt.Runtime) (rt.Value, func()) {
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exports := map[string]util.LuaExport{
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"register": util.LuaExport{c.cregister, 2, false},
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"deregister": util.LuaExport{c.cderegister, 1, false},
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}
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mod := rt.NewTable()
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util.SetExports(rtm, mod, exports)
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util.Document(mod, "Commander is Hilbish's custom command library, a way to write commands in Lua.")
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return rt.TableValue(mod), nil
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}
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// register(name, cb)
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// Register a command with `name` that runs `cb` when ran
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// --- @param name string
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// --- @param cb function
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func (c *Commander) cregister(t *rt.Thread, ct *rt.GoCont) (rt.Cont, error) {
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cmdName, cmd, err := util.HandleStrCallback(t, ct)
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if err != nil {
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return nil, err
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}
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c.Events.Emit("commandRegister", cmdName, cmd)
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return ct.Next(), err
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}
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// deregister(name)
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// Deregisters any command registered with `name`
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// --- @param name string
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func (c *Commander) cderegister(t *rt.Thread, ct *rt.GoCont) (rt.Cont, error) {
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if err := ct.Check1Arg(); err != nil {
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return nil, err
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}
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cmdName, err := ct.StringArg(0)
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if err != nil {
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return nil, err
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}
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c.Events.Emit("commandDeregister", cmdName)
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return ct.Next(), err
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}
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