/// <summary>
///
/// </summary>
/// <param name="itemVal"></param>
/// <param name="itemAttr"></param>
/// <param name="itemLen"></param>
/// <param name="offset"></param>
/// <returns></returns>
public static Object deSerializeItemVal(byte[] itemVal, StorageAttribute itemAttr, int itemLen, FldStorage fieldStorage, ref int offset)
{
Object val = null;
int count = 0;
int endIdx = 0;
int len = 0;
string tmp = string.Empty;
StringBuilder suffixBuf;
string tempVal = string.Empty;
short noOfPackets = 0;
switch (itemAttr)
{
case StorageAttribute.ALPHA:
count = 4;
endIdx = offset + count;
tmp = Manager.Environment.GetEncoding().GetString(itemVal, offset, count);
len = Convert.ToInt32(tmp, 16);
count = len;
offset = endIdx;
val = Manager.Environment.GetEncoding().GetString(itemVal, offset, count);
break;
case StorageAttribute.UNICODE:
count = 4;
endIdx = offset + count;
tmp = Manager.Environment.GetEncoding().GetString(itemVal, offset, count);
len = Convert.ToInt32(tmp, 16);
count = len * 2;
offset = endIdx;
val = Encoding.Unicode.GetString(itemVal, offset, count);
break;
case StorageAttribute.BOOLEAN:
count = 4;
endIdx = offset + count;
tmp = Manager.Environment.GetEncoding().GetString(itemVal, offset, count);
len = Convert.ToInt32(tmp, 16);
count = len;
offset = endIdx;
val = BitConverter.ToInt16(Manager.Environment.GetEncoding().GetBytes(Manager.Environment.GetEncoding().GetString(itemVal, offset, count)), 0);
break;
case StorageAttribute.BLOB:
count = 2;
endIdx = offset + count;
tmp = Manager.Environment.GetEncoding().GetString(itemVal, offset, count);
noOfPackets = BitConverter.ToInt16(Manager.Environment.GetEncoding().GetBytes(Manager.Environment.GetEncoding().GetString(itemVal, offset, count)), 0);
offset = endIdx;
count = 4;
endIdx = offset + count;
tmp = Manager.Environment.GetEncoding().GetString(itemVal, offset, count);
len = Convert.ToInt32(tmp, 16);
count = len;
offset = endIdx;
if ((len & 0x8000) > 0)
{
suffixBuf = new StringBuilder();
count = getSpannedField(itemVal, len, offset, itemAttr, suffixBuf, false, noOfPackets);
tempVal = suffixBuf.ToString();
}
else
{
if (UtilStrByteMode.isLocaleDefLangDBCS())
{
tempVal = ISO_8859_1_Encoding.getInstance().GetString(itemVal, offset, count);
}
else
{
tempVal = Manager.Environment.GetEncoding().GetString(itemVal, offset, count);
}
}
switch (fieldStorage)
{
case FldStorage.AnsiBlob:
case FldStorage.UnicodeBlob:
val = BlobType.getString(tempVal);
break;
case FldStorage.Blob:
if (UtilStrByteMode.isLocaleDefLangDBCS())
{
val = ISO_8859_1_Encoding.getInstance().GetBytes(BlobType.removeBlobPrefix(tempVal));
}
else
{
val = Manager.Environment.GetEncoding().GetBytes(BlobType.removeBlobPrefix(tempVal));
}
break;
}
break;
case StorageAttribute.NUMERIC:
{
count = 4;
endIdx = offset + count;
tmp = Manager.Environment.GetEncoding().GetString(itemVal, offset, count);
len = Convert.ToInt32(tmp, 16);
count = len;
offset = endIdx;
switch (fieldStorage)
{
case FldStorage.NumericFloat:
case FldStorage.NumericSigned:
byte[] array = new byte[count];
Array.Copy(itemVal, offset, array, 0, array.Length);
if (fieldStorage == FldStorage.NumericFloat)
{
val = BitConverter.ToDouble(array, 0);
}
else
{
val = BitConverter.ToInt32(array, 0);
}
break;
case FldStorage.NumericPackedDec:
case FldStorage.NumericString:
val = Manager.Environment.GetEncoding().GetString(itemVal, offset, count);
break;
}
}
break;
case StorageAttribute.TIME:
case StorageAttribute.DATE:
count = 4;
endIdx = offset + count;
tmp = Manager.Environment.GetEncoding().GetString(itemVal, offset, count);
len = Convert.ToInt32(tmp, 16);
count = len;
offset = endIdx;
switch (fieldStorage)
{
case FldStorage.TimeInteger:
case FldStorage.DateInteger:
val = BitConverter.ToInt32(Manager.Environment.GetEncoding().GetBytes(Manager.Environment.GetEncoding().GetString(itemVal, offset, count)), 0);
break;
case FldStorage.TimeString:
case FldStorage.DateString:
val = Manager.Environment.GetEncoding().GetString(itemVal, offset, count);
break;
}
break;
}
offset = offset + count;
return(val);
}