/*
Value compatibility between js and go.
js => go
number => float64
bool => boolean
string => string
function => v7.Function
array => []byte
object => []byte
*/
func toValue(ctx *Context, result C.v7_val_t) (interface{}, error) {
rctx := ctx.rctx
switch C._val_type(rctx, C.uint64_t(result)) {
case _V7_TYPE_UNDEFINED:
return UndefinedValue, nil
case _V7_TYPE_NULL:
return NullValue, nil
case _V7_TYPE_NUMBER:
return JSNumber(C.v7_to_number(result)), nil
case _V7_TYPE_STRING:
return JSString(C.GoString(C._v7_to_string(rctx, &result))), nil
case _V7_TYPE_BOOLEAN:
if int(C.v7_to_boolean(result)) == 0 {
return JSFalse, nil
} else {
return JSTrue, nil
}
case _V7_TYPE_ARRAY_OBJECT, _V7_TYPE_GENERIC_OBJECT:
return _v7_to_json(rctx, result, ctx.bufSize), nil
case _V7_TYPE_FUNCTION_OBJECT:
return &JSFunction{ctx, result}, nil
default:
return nil, errUndefinedType
}
}
func (v7 *V7) ToNumber(v Val) (float64, error) {
if !v7.IsNumber(v) {
return math.NaN(), errors.New("value is not a number")
}
return float64(C.v7_to_number(C.v7_val_t(v))), nil
}