public static Asn1Node Paste()
{
DataFormats.GetFormat(Asn1ClipboardData.asn1FormatName);
Asn1Node asn1Node1 = new Asn1Node();
IDataObject dataObject = Clipboard.GetDataObject();
byte[] data1 = (byte[])dataObject.GetData(Asn1ClipboardData.asn1FormatName);
if (data1 != null)
{
MemoryStream memoryStream = new MemoryStream(data1);
memoryStream.Position = 0L;
asn1Node1.LoadData((Stream)memoryStream);
}
else
{
string data2 = (string)dataObject.GetData(DataFormats.Text);
Asn1Node asn1Node2 = new Asn1Node();
if (Asn1Util.IsAsn1EncodedHexStr(data2))
{
byte[] bytes = Asn1Util.HexStrToBytes(data2);
asn1Node1.LoadData(bytes);
}
}
return(asn1Node1);
}
/// <summary>
/// Paste clipboard data as an Asn1Node. It try to get data from
/// Asn1NodeDataFormat first, then try Text data format.
/// </summary>
/// <returns>Asn1Node</returns>
public static Asn1Node Paste()
{
DataFormats.Format asn1Format = DataFormats.GetFormat(asn1FormatName);
Asn1Node retval = new Asn1Node();
IDataObject aRetrieveObj = Clipboard.GetDataObject();
byte[] aData = (byte[])aRetrieveObj.GetData(asn1FormatName);
if (aData != null)
{
MemoryStream ms = new MemoryStream(aData);
ms.Position = 0;
retval.LoadData(ms);
}
else
{
string dataStr = (string)aRetrieveObj.GetData(DataFormats.Text);
Asn1Node tmpNode = new Asn1Node();
if (Asn1Util.IsAsn1EncodedHexStr(dataStr))
{
byte[] data = Asn1Util.HexStrToBytes(dataStr);
retval.LoadData(data);
}
}
return(retval);
}
/// <summary>
/// Load ASN.1 encoded data from Stream.
/// </summary>
/// <param name="stream">Stream data.</param>
public void LoadData(Stream stream)
{
stream.Position = 0;
if (!rootNode.LoadData(stream))
{
throw new ArgumentException("Failed to load data.");
}
rawData = new byte[stream.Length];
stream.Position = 0;
stream.Read(rawData, 0, rawData.Length);
}
public Asn1Node Clone()
{
MemoryStream memoryStream = new MemoryStream();
this.SaveData((Stream)memoryStream);
memoryStream.Position = 0L;
Asn1Node asn1Node = new Asn1Node();
asn1Node.LoadData((Stream)memoryStream);
return(asn1Node);
}
/// <summary>
/// Check if the string is ASN.1 encoded hex string.
/// </summary>
/// <param name="dataStr">The string.</param>
/// <returns>true:Yes, false:No.</returns>
public static bool IsAsn1EncodedHexStr(string dataStr)
{
bool retval = false;
try
{
byte[] data = HexStrToBytes(dataStr);
if (data.Length > 0)
{
Asn1Node node = new Asn1Node();
retval = node.LoadData(data);
}
}
catch
{
retval = false;
}
return retval;
}
/// <summary>
/// Check if the string is ASN.1 encoded hex string.
/// </summary>
/// <param name="dataStr">The string.</param>
/// <returns>true:Yes, false:No.</returns>
public static bool IsAsn1EncodedHexStr(string dataStr)
{
bool retval = false;
try
{
byte[] data = HexStrToBytes(dataStr);
if (data.Length > 0)
{
Asn1Node node = new Asn1Node();
retval = node.LoadData(data);
}
}
catch
{
retval = false;
}
return(retval);
}
/// <summary>
/// Load ASN.1 encoded data from Stream.
/// </summary>
/// <param name="stream">Stream data.</param>
public void LoadData(Stream stream)
{
rootNodes.Clear();
stream.Position = 0;
while (stream.Position < stream.Length - 1)
{
Asn1Node rootNode = new Asn1Node(stream.Position);
if (!rootNode.LoadData(stream))
{
throw new Exception("Failed to load data.");
}
rootNodes.Add(rootNode);
}
rawData = new byte[stream.Length];
stream.Position = 0;
stream.Read(rawData, 0, rawData.Length);
}
/// <summary>
/// Clone a new Asn1Node by current node.
/// </summary>
/// <returns>new node.</returns>
public Asn1Node Clone()
{
MemoryStream ms = new MemoryStream();
this.SaveData(ms);
ms.Position = 0;
Asn1Node node = new Asn1Node();
node.LoadData(ms);
return node;
}
/// <summary>
/// Paste clipboard data as an Asn1Node. It try to get data from
/// Asn1NodeDataFormat first, then try Text data format.
/// </summary>
/// <returns>Asn1Node</returns>
public static Asn1Node Paste()
{
DataFormats.Format asn1Format = DataFormats.GetFormat(asn1FormatName);
Asn1Node retval = new Asn1Node();
IDataObject aRetrieveObj = Clipboard.GetDataObject();
byte[] aData = (byte[]) aRetrieveObj.GetData(asn1FormatName);
if (aData != null)
{
MemoryStream ms = new MemoryStream(aData);
ms.Position = 0;
retval.LoadData(ms);
}
else
{
string dataStr = (string) aRetrieveObj.GetData(DataFormats.Text);
Asn1Node tmpNode = new Asn1Node();
if (Asn1Util.IsAsn1EncodedHexStr(dataStr))
{
byte[] data = Asn1Util.HexStrToBytes(dataStr);
retval.LoadData(data);
}
}
return retval;
}
