// uintValue returns the unsigned integer value of a schema value or
// zero if the value is invalid (the null pointer). Panics if the value
// is not an unsigned integer.
func uintValue(v schema.Value) uint64 {
if !v.IsValid() {
return 0
}
switch v.Which() {
case schema.Value_Which_uint8:
return uint64(v.Uint8())
case schema.Value_Which_uint16:
return uint64(v.Uint16())
case schema.Value_Which_uint32:
return uint64(v.Uint32())
case schema.Value_Which_uint64:
return v.Uint64()
}
panic("unreachable")
}
func isEmptyValue(v schema.Value) bool {
if !v.IsValid() {
return false
}
switch v.Which() {
case schema.Value_Which_text:
b, _ := v.TextBytes()
return len(b) == 0
case schema.Value_Which_data:
b, _ := v.Data()
return len(b) == 0
case schema.Value_Which_list:
p, _ := v.ListPtr()
return p.List().Len() == 0
default:
return false
}
}
func isValueOfType(v schema.Value, t schema.Type) bool {
// Ensure that the value is for the given type. The schema ensures the union ordinals match.
return !v.IsValid() || int(v.Which()) == int(t.Which())
}
