91 lines
1.8 KiB
Go
91 lines
1.8 KiB
Go
package witch
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import (
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"fmt"
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"log"
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"github.com/vilmibm/hermeticum/server/db"
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lua "github.com/yuin/gopher-lua"
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)
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const DefaultAvatarScript = `
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has({
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name =
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})
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`
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func SetDefaultAvatarScript(obj *db.Object) {
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hasInvocation := "has({\n"
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for k, v := range obj.Data {
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hasInvocation += fmt.Sprintf(`%s = "%s"\n`, k, v)
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}
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hasInvocation += "})"
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obj.Script = fmt.Sprintf(`%s
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hears(".*", function()
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tellMe(sender, msg)
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end)
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`, hasInvocation)
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}
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func witchHas(l *lua.LState) int {
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lv := l.ToTable(1)
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log.Println(lv)
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return 0
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}
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func witchHears(l *lua.LState) int {
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// TODO register handler
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handlers := l.GetGlobal("_handlers").(*lua.LTable)
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log.Println(handlers)
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pattern := l.ToString(1)
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cb := l.ToFunction(2)
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addHandler(l, "say", pattern, cb)
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return 0
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}
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func witchDoes(ls *lua.LState) int {
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// TODO how to feed events back into the server?
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// it needs to behave like an event showing up in Commands stream
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// this handler needs a reference to the gateway which has a channel for sending events that the server will see?
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return 0
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}
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/*
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string -> fn does not work because there might be multiple handlers for a given verb.
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i can:
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- have a list of handlers. call each one. it is the handler's
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responsibility to decide if it's a match or not.
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- store string -> map[string]fn. do the matching in Go.
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handlers = {
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"hear" = {
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"*eat*" = cbfn0
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"*slurp*" = cbfn1
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}
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"see" = {
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"*fork*" = cbfn2
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}
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}
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*/
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func addHandler(l *lua.LState, verb, pattern string, cb *lua.LFunction) int {
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handlers := l.GetGlobal("_handlers").(*lua.LTable)
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verbHandlers, ok := handlers.RawGetString(verb).(*lua.LTable)
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if !ok {
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verbHandlers = l.NewTable()
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handlers.RawSetString(verb, verbHandlers)
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}
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log.Println("addHandler")
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log.Printf("%#v", cb)
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verbHandlers.RawSetString(pattern, cb)
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return 0
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}
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