private void DetermineIgnoreCondition(JsonIgnoreCondition?ignoreCondition, bool defaultValueIsNull)
{
if (ignoreCondition != null)
{
Debug.Assert(MemberInfo != null);
Debug.Assert(ignoreCondition != JsonIgnoreCondition.Always);
if (ignoreCondition == JsonIgnoreCondition.WhenWritingDefault)
{
IgnoreDefaultValuesOnWrite = true;
}
else if (ignoreCondition == JsonIgnoreCondition.WhenWritingNull)
{
if (defaultValueIsNull)
{
IgnoreDefaultValuesOnWrite = true;
}
else
{
ThrowHelper.ThrowInvalidOperationException_IgnoreConditionOnValueTypeInvalid(this);
}
}
}
#pragma warning disable CS0618 // IgnoreNullValues is obsolete
else if (Options.IgnoreNullValues)
{
Debug.Assert(Options.DefaultIgnoreCondition == JsonIgnoreCondition.Never);
if (defaultValueIsNull)
{
IgnoreDefaultValuesOnRead = true;
IgnoreDefaultValuesOnWrite = true;
}
}
else if (Options.DefaultIgnoreCondition == JsonIgnoreCondition.WhenWritingNull)
{
Debug.Assert(!Options.IgnoreNullValues);
if (defaultValueIsNull)
{
IgnoreDefaultValuesOnWrite = true;
}
}
else if (Options.DefaultIgnoreCondition == JsonIgnoreCondition.WhenWritingDefault)
{
Debug.Assert(!Options.IgnoreNullValues);
IgnoreDefaultValuesOnWrite = true;
}
#pragma warning restore CS0618 // IgnoreNullValues is obsolete
}