77 lines
1.4 KiB
Go
77 lines
1.4 KiB
Go
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package luar
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import (
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"reflect"
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"github.com/yuin/gopher-lua"
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)
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func mapIndex(L *lua.LState) int {
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ref, mt := check(L, 1)
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key := L.CheckAny(2)
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convertedKey, err := lValueToReflect(L, key, ref.Type().Key(), nil)
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if err == nil {
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item := ref.MapIndex(convertedKey)
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if item.IsValid() {
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L.Push(New(L, item.Interface()))
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return 1
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}
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}
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if lstring, ok := key.(lua.LString); ok {
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if fn := mt.method(string(lstring)); fn != nil {
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L.Push(fn)
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return 1
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}
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}
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return 0
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}
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func mapNewIndex(L *lua.LState) int {
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ref, _ := check(L, 1)
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key := L.CheckAny(2)
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value := L.CheckAny(3)
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keyHint := ref.Type().Key()
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convertedKey, err := lValueToReflect(L, key, keyHint, nil)
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if err != nil {
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L.ArgError(2, err.Error())
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}
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var convertedValue reflect.Value
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if value != lua.LNil {
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convertedValue, err = lValueToReflect(L, value, ref.Type().Elem(), nil)
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if err != nil {
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L.ArgError(3, err.Error())
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}
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}
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ref.SetMapIndex(convertedKey, convertedValue)
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return 0
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}
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func mapLen(L *lua.LState) int {
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ref, _ := check(L, 1)
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L.Push(lua.LNumber(ref.Len()))
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return 1
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}
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func mapCall(L *lua.LState) int {
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ref, _ := check(L, 1)
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keys := ref.MapKeys()
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i := 0
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fn := func(L *lua.LState) int {
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if i >= len(keys) {
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return 0
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}
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L.Push(New(L, keys[i].Interface()))
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L.Push(New(L, ref.MapIndex(keys[i]).Interface()))
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i++
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return 2
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}
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L.Push(L.NewFunction(fn))
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return 1
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}
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