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lua: Add ability to query date year, month, day

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This commit is contained in:
Aaron Lindsay 2017-02-11 07:27:52 -05:00
parent 75fa8ee28a
commit 5c7dc5df4c
1 changed files with 19 additions and 0 deletions
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19
date_lua.go
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@ -14,6 +14,7 @@ func luaRegisterDates(L *lua.LState) {
L.SetGlobal("date", mt) L.SetGlobal("date", mt)
L.SetField(mt, "new", L.NewFunction(luaDateNew)) L.SetField(mt, "new", L.NewFunction(luaDateNew))
L.SetField(mt, "now", L.NewFunction(luaDateNow)) L.SetField(mt, "now", L.NewFunction(luaDateNow))
L.SetField(mt, "__index", L.NewFunction(luaDate__index))
L.SetField(mt, "__tostring", L.NewFunction(luaDate__tostring)) L.SetField(mt, "__tostring", L.NewFunction(luaDate__tostring))
L.SetField(mt, "__eq", L.NewFunction(luaDate__eq)) L.SetField(mt, "__eq", L.NewFunction(luaDate__eq))
L.SetField(mt, "__lt", L.NewFunction(luaDate__lt)) L.SetField(mt, "__lt", L.NewFunction(luaDate__lt))
@ -93,6 +94,24 @@ func luaDateNow(L *lua.LState) int {
return 1 return 1
} }
func luaDate__index(L *lua.LState) int {
d := luaCheckTime(L, 1)
field := L.CheckString(2)
switch field {
case "Year", "year":
L.Push(lua.LNumber(d.Year()))
case "Month", "month":
L.Push(lua.LNumber(float64(d.Month())))
case "Day", "day":
L.Push(lua.LNumber(float64(d.Day())))
default:
L.ArgError(2, "unexpected date attribute: "+field)
}
return 1
}
func luaDate__tostring(L *lua.LState) int { func luaDate__tostring(L *lua.LState) int {
a := luaCheckTime(L, 1) a := luaCheckTime(L, 1)