private object ReadTypeClass(BinaryReaderX br, Type readType, ValueStorage storage)
{
var typeAttributes = new MemberAttributeInfo(readType);
var bitFieldInfoAttribute = typeAttributes.BitFieldInfoAttribute;
var alignmentAttribute = typeAttributes.AlignmentAttribute;
if (bitFieldInfoAttribute != null)
{
br.ResetBitBuffer();
}
br.BitOrder = (bitFieldInfoAttribute?.BitOrder != BitOrder.Default ? bitFieldInfoAttribute?.BitOrder : br.BitOrder) ?? br.BitOrder;
br.BlockSize = bitFieldInfoAttribute?.BlockSize ?? br.BlockSize;
if (br.BlockSize != 8 && br.BlockSize != 4 && br.BlockSize != 2 && br.BlockSize != 1)
{
throw new InvalidBitFieldInfoException(br.BlockSize);
}
var item = Activator.CreateInstance(readType);
var fields = readType.GetFields().OrderBy(fi => fi.MetadataToken);
foreach (var field in fields)
{
// If field condition is false, read no value and leave field to default
var conditionAttribute = field.GetCustomAttribute <ConditionAttribute>();
if (!ResolveCondition(conditionAttribute, storage))
{
continue;
}
var bitInfo = field.GetCustomAttribute <BitFieldAttribute>();
object fieldValue;
if (bitInfo != null)
{
fieldValue = Convert.ChangeType(br.ReadBits(bitInfo.BitLength), field.FieldType);
}
else
{
fieldValue = ReadTypeInternal(br, field.FieldType, storage, field);
}
storage.Add(field.Name, fieldValue);
field.SetValue(item, fieldValue);
}
if (alignmentAttribute != null)
{
br.SeekAlignment(alignmentAttribute.Alignment);
}
return(item);
}
private void WriteTypeClass(BinaryWriterX bw, object writeValue, Type writeType, ValueStorage storage)
{
var typeAttributes = new MemberAttributeInfo(writeType);
var bitFieldInfoAttribute = typeAttributes.BitFieldInfoAttribute;
var alignmentAttribute = typeAttributes.AlignmentAttribute;
if (bitFieldInfoAttribute != null)
{
bw.Flush();
}
bw.BitOrder = (bitFieldInfoAttribute?.BitOrder != BitOrder.Default ? bitFieldInfoAttribute?.BitOrder : bw.BitOrder) ?? bw.BitOrder;
bw.BlockSize = bitFieldInfoAttribute?.BlockSize ?? bw.BlockSize;
if (bw.BlockSize != 8 && bw.BlockSize != 4 && bw.BlockSize != 2 && bw.BlockSize != 1)
{
throw new InvalidBitFieldInfoException(bw.BlockSize);
}
var fields = writeType.GetFields().OrderBy(fi => fi.MetadataToken);
foreach (var field in fields)
{
// If field condition is false, write no value and ignore field
var conditionAttribute = field.GetCustomAttribute <ConditionAttribute>();
if (!ResolveCondition(conditionAttribute, storage))
{
continue;
}
var fieldValue = field.GetValue(writeValue);
storage.Add(field.Name, fieldValue);
var bitInfo = field.GetCustomAttribute <BitFieldAttribute>();
if (bitInfo != null)
{
bw.WriteBits(Convert.ToInt64(fieldValue), bitInfo.BitLength);
}
else
{
WriteTypeInternal(bw, fieldValue, storage, field);
}
}
bw.Flush();
// Apply alignment
if (alignmentAttribute != null)
{
bw.WriteAlignment(alignmentAttribute.Alignment);
}
}