/// <summary>
/// Write simple field with known length.
/// </summary>
/// <param name="fieldId">Field ID.</param>
/// <param name="val">Value.</param>
/// <param name="handler">Handler.</param>
/// <param name="len">Length.</param>
private void WriteSimpleField <T>(int fieldId, T val, PortableSystemTypedWriteDelegate <T> handler, int len)
{
CheckNotRaw();
_stream.WriteInt(fieldId);
_stream.WriteInt(1 + len); // Additional byte for field type.
handler(_stream, val);
}
/// <summary>
/// Write nullable raw field.
/// </summary>
/// <param name="val">Value.</param>
/// <param name="handler">Handler.</param>
private void WriteSimpleNullableRawField <T>(T val, PortableSystemTypedWriteDelegate <T> handler)
{
if (val == null)
{
_stream.WriteByte(PortableUtils.HdrNull);
}
else
{
handler(_stream, val);
}
}
/// <summary>
/// Write simple nullable field with known length.
/// </summary>
/// <param name="fieldName">Field name.</param>
/// <param name="typeId">Type ID.</param>
/// <param name="val">Value.</param>
/// <param name="handler">Handler.</param>
/// <param name="len">Length.</param>
private void WriteSimpleNullableField <T>(string fieldName, byte typeId, T val,
PortableSystemTypedWriteDelegate <T> handler, int len)
{
int fieldId = PortableUtils.FieldId(_curTypeId, fieldName, _curConverter, _curMapper);
WriteSimpleNullableField(fieldId, val, handler, len);
if (_curMetaHnd != null)
{
_curMetaHnd.OnFieldWrite(fieldId, fieldName, typeId);
}
}
/// <summary>
/// Write simple nullable field with known length.
/// </summary>
/// <param name="fieldId">Field ID.</param>
/// <param name="val">Value.</param>
/// <param name="handler">Handler.</param>
/// <param name="len">Length.</param>
private void WriteSimpleNullableField <T>(int fieldId, T val, PortableSystemTypedWriteDelegate <T> handler, int len)
{
CheckNotRaw();
_stream.WriteInt(fieldId);
if (val == null)
{
_stream.WriteInt(1);
_stream.WriteByte(PortableUtils.HdrNull);
}
else
{
_stream.WriteInt(1 + len);
handler(_stream, val);
}
}
/// <summary>
/// Write simple nullable field with unknown length.
/// </summary>
/// <param name="fieldId">Field ID.</param>
/// <param name="val">Value.</param>
/// <param name="handler">Handler.</param>
private void WriteSimpleNullableField <T>(int fieldId, T val, PortableSystemTypedWriteDelegate <T> handler)
{
CheckNotRaw();
_stream.WriteInt(fieldId);
if (val == null)
{
_stream.WriteInt(1);
_stream.WriteByte(PortableUtils.HdrNull);
}
else
{
int pos = _stream.Position;
_stream.Seek(4, SeekOrigin.Current);
handler(_stream, val);
WriteFieldLength(_stream, pos);
}
}
