/// <devdoc>
/// <para>Deserializes a LOS formatted object from a string.</para>
/// </devdoc>
public object Deserialize(string input)
{
#if NO_BASE64
char[] data = input.ToCharArray();
#else
byte[] dataBytes = Convert.FromBase64String(input);
int dataLength = -1;
if (EnableViewStateMac)
{
try {
dataBytes = MachineKeySection.GetDecodedData(dataBytes, _macKey, 0, dataBytes.Length, ref dataLength);
}
catch (Exception e) {
PerfCounters.IncrementCounter(AppPerfCounter.VIEWSTATE_MAC_FAIL);
ViewStateException.ThrowMacValidationError(e, input);
}
}
if (dataLength == -1)
{
dataLength = dataBytes.Length;
}
char[] data = EncodingInstance.GetChars(dataBytes, 0, dataLength);
#endif
// clear or allocate name and type tables.
//
if (_deserializedTypeTable == null)
{
_deserializedTypeTable = new ArrayList();
_deserializedConverterTable = new ListDictionary();
}
else
{
_deserializedTypeTable.Clear();
_deserializedConverterTable.Clear();
}
_builder = (char[])_charBufferAllocator.GetBuffer();
_recyclable = true;
// DeserializeValueInternal is recursive, so we just kick this off
// starting at 0
_current = 0;
_deserializationData = data;
object ret = DeserializeValueInternal();
if (_recyclable)
{
_charBufferAllocator.ReuseBuffer(_builder);
}
return(ret);
}
public object Deserialize(string inputString)
{
if (string.IsNullOrEmpty(inputString))
{
throw new ArgumentNullException("inputString");
}
byte[] buf = Convert.FromBase64String(inputString);
int length = buf.Length;
try
{
if ((this._page != null) && this._page.ContainsEncryptedViewState)
{
buf = MachineKeySection.EncryptOrDecryptData(false, buf, this.GetMacKeyModifier(), 0, length);
length = buf.Length;
}
else if (((this._page != null) && this._page.EnableViewStateMac) || (this._macKeyBytes != null))
{
buf = MachineKeySection.GetDecodedData(buf, this.GetMacKeyModifier(), 0, length, ref length);
}
}
catch
{
PerfCounters.IncrementCounter(AppPerfCounter.VIEWSTATE_MAC_FAIL);
ViewStateException.ThrowMacValidationError(null, inputString);
}
object obj2 = null;
MemoryStream memoryStream = GetMemoryStream();
try
{
memoryStream.Write(buf, 0, length);
memoryStream.Position = 0L;
obj2 = this.Deserialize(memoryStream);
}
finally
{
ReleaseMemoryStream(memoryStream);
}
return(obj2);
}
