Hilbish/aliases.go

105 lines
1.7 KiB
Go

package main
import (
"strings"
"sync"
"github.com/yuin/gopher-lua"
)
var aliases *hilbishAliases
type hilbishAliases struct {
aliases map[string]string
mu *sync.RWMutex
}
// initialize aliases map
func NewAliases() *hilbishAliases {
return &hilbishAliases{
aliases: make(map[string]string),
mu: &sync.RWMutex{},
}
}
func (h *hilbishAliases) Add(alias, cmd string) {
h.mu.Lock()
defer h.mu.Unlock()
h.aliases[alias] = cmd
}
func (h *hilbishAliases) All() map[string]string {
return h.aliases
}
func (h *hilbishAliases) Delete(alias string) {
h.mu.Lock()
defer h.mu.Unlock()
delete(h.aliases, alias)
}
func (h *hilbishAliases) Resolve(cmdstr string) string {
h.mu.RLock()
defer h.mu.RUnlock()
args := strings.Split(cmdstr, " ")
for h.aliases[args[0]] != "" {
alias := h.aliases[args[0]]
cmdstr = alias + strings.TrimPrefix(cmdstr, args[0])
cmdArgs, _ := splitInput(cmdstr)
args = cmdArgs
if h.aliases[args[0]] == alias {
break
}
if h.aliases[args[0]] != "" {
continue
}
}
return cmdstr
}
// lua section
func (h *hilbishAliases) Loader(L *lua.LState) *lua.LTable {
// create a lua module with our functions
hshaliasesLua := map[string]lua.LGFunction{
"add": h.luaAdd,
"list": h.luaList,
"del": h.luaDelete,
}
mod := L.SetFuncs(L.NewTable(), hshaliasesLua)
return mod
}
func (h *hilbishAliases) luaAdd(L *lua.LState) int {
alias := L.CheckString(1)
cmd := L.CheckString(2)
h.Add(alias, cmd)
return 0
}
func (h *hilbishAliases) luaList(L *lua.LState) int {
aliasesList := L.NewTable()
for k, v := range h.All() {
aliasesList.RawSetString(k, lua.LString(v))
}
L.Push(aliasesList)
return 1
}
func (h *hilbishAliases) luaDelete(L *lua.LState) int {
alias := L.CheckString(1)
h.Delete(alias)
return 0
}