public byte[] ToBytes(Dictionary <string, object> predata)
{
List <byte[]> Results = new List <byte[]>();
int TotalLength = 0;
foreach (var item in this.Fields)
{
byte[] result = null;
object rightvalue = null;
if (predata.ContainsKey(item.FieldName))
{
var prevalue = predata[item.FieldName];
rightvalue = Dynamic.Accessor.ChangeType(prevalue, item.ClrType);
}
else
{
rightvalue = IndexHelper.DefaultValue(item.ClrType);
}
if (rightvalue != null)
{
result = item.ToBytes(rightvalue);
}
if (result == null || result.Length == 0)
{
if (item.Length != int.MaxValue)
{
result = new byte[item.Length];
}
else
{
continue;
}
}
if (item.Length != int.MaxValue)
{
result = Kooboo.IndexedDB.Helper.KeyHelper.AppendToKeyLength(result, true, item.Length);
}
Results.Add(BitConverter.GetBytes(item.FieldNameHash));
TotalLength += 4;
int bytelen = item.Length;
if (bytelen == int.MaxValue)
{
bytelen = result.Length;
}
Results.Add(BitConverter.GetBytes(bytelen));
TotalLength += 4;
Results.Add(result);
TotalLength += result.Length;
}
byte[] BackValue = new byte[TotalLength];
int currentposition = 0;
foreach (var item in Results)
{
int len = item.Length;
System.Buffer.BlockCopy(item, 0, BackValue, currentposition, len);
currentposition += len;
}
return(BackValue);
}