public void addTLVObject(TLVObject tlvObj)
{
if (tlvObj == null)
return;
elementPool.Add(tlvObj);
}
public void AddChildObject(TLVObject obj)
{
mValue = Utils.BufferConcat(mValue, obj.ToByteArray());
mLen = mValue.Length;
SetLengthBytes();
obj.parent = this;
this.childList.Add(obj);
}
public void addTLVObject(TLVObject tlvObj)
{
if (tlvObj == null)
{
return;
}
elementPool.Add(tlvObj);
}
public TLVObject(string tag)
{
if ((tag.Length % 2) != 0)
throw new Exception("Error in Tag (length)");
tagWidth = tag.Length / 2;
tagStr = tag;
mLen = 0;
mValue = new byte[0];
SetLengthBytes();
this.parent = null;
}
public TLVObject(string tag)
{
if ((tag.Length % 2) != 0)
{
throw new Exception("Error in Tag (length)");
}
tagWidth = tag.Length / 2;
tagStr = tag;
mLen = 0;
mValue = new byte[0];
SetLengthBytes();
this.parent = null;
}
public TLVObject(string tag, string strVal)
{
if ((tag.Length % 2) != 0)
throw new Exception("Error in Tag (length)");
if ((strVal.Length % 2) != 0)
throw new Exception("Error in Value (length)");
tagWidth = tag.Length / 2;
tagStr = tag;
mLen = strVal.Length / 2;
mValue = Utils.HexToByteArray(strVal);
SetLengthBytes();
this.parent = null;
}
public TLVObject(string tag, string strVal)
{
if ((tag.Length % 2) != 0)
{
throw new Exception("Error in Tag (length)");
}
if ((strVal.Length % 2) != 0)
{
throw new Exception("Error in Value (length)");
}
tagWidth = tag.Length / 2;
tagStr = tag;
mLen = strVal.Length / 2;
mValue = Utils.HexToByteArray(strVal);
SetLengthBytes();
this.parent = null;
}
private int _Parse(byte[] encodedTLV)
{
string TLVTag;
int TLVLen;
byte[] TLVData;
byte[] TLVTagBytes;
int TagSize = 1;
int LenSize;
if ((encodedTLV[0] & 0x1F) == 0x1F)
{
TagSize++;
for (int idx = 1; idx < encodedTLV.Length; ++idx)
{
if ((encodedTLV[idx] & 0x80) == 0x80)
{
TagSize++;
}
else
{
break;
}
}
}
TLVTagBytes = new byte[TagSize];
Array.Copy(encodedTLV, 0, TLVTagBytes, 0, TagSize);
TLVTag = Utils.ToHexStr(TLVTagBytes, 0, TagSize);
int tlvLenOffset = TagSize;
if (encodedTLV[TagSize] < 128)
{
LenSize = 1;
TLVLen = encodedTLV[TagSize];
}
else
{
LenSize = 1 + (0x7F & encodedTLV[tlvLenOffset]);
byte[] lenTmp = new byte[4];
int ofsetLenBytes = TagSize + 1;
int nbLenBytes = LenSize - 1;
if (nbLenBytes > 4) // 4 bytes is quite enaugh
{
throw new Exception("Length error in TLV package");
}
for (int j = 0; j < nbLenBytes; ++j)
{
lenTmp[nbLenBytes - j - 1] = encodedTLV[ofsetLenBytes + j];
}
TLVLen = BitConverter.ToInt32(lenTmp, 0);
}
TLVData = new byte[TLVLen];
Array.Copy(encodedTLV, TagSize + LenSize, TLVData, 0, TLVLen);
TLVObject newObj = new TLVObject(TLVTag, TLVData);
newObj.Parent = parent;
if (newObj.Parent != null)
{
newObj.Parent.ChildList.Add(newObj);
}
elementPool.Add(newObj);
if (((byte)encodedTLV[0] & 32) == 32)
{
TLVObject oldParent = parent;
parent = newObj;
int TotalLen = TLVData.Length;
int Index = 0;
while ((TotalLen - Index) > 0)
{
byte[] SubTLV = new byte[TotalLen - Index];
Array.Copy(TLVData, Index, SubTLV, 0, SubTLV.Length);
Index += this._Parse(SubTLV);
}
parent = oldParent;
}
return(TagSize + LenSize + TLVData.Length);
}
private int _Parse(byte[] encodedTLV)
{
string TLVTag;
int TLVLen;
byte[] TLVData;
byte[] TLVTagBytes;
int TagSize = 1;
int LenSize;
if ((encodedTLV[0] & 0x1F) == 0x1F)
{
TagSize++;
for (int idx = 1; idx < encodedTLV.Length; ++idx)
{
if ((encodedTLV[idx] & 0x80) == 0x80)
TagSize++;
else break;
}
}
TLVTagBytes = new byte[TagSize];
Array.Copy(encodedTLV, 0, TLVTagBytes, 0, TagSize);
TLVTag = Utils.ToHexStr(TLVTagBytes, 0, TagSize);
int tlvLenOffset = TagSize;
if (encodedTLV[TagSize] < 128)
{
LenSize = 1;
TLVLen = encodedTLV[TagSize];
}
else
{
LenSize = 1 + (0x7F & encodedTLV[tlvLenOffset]);
byte[] lenTmp = new byte[4];
int ofsetLenBytes = TagSize +1;
int nbLenBytes = LenSize -1;
if (nbLenBytes > 4) // 4 bytes is quite enaugh
throw new Exception("Length error in TLV package");
for (int j=0; j<nbLenBytes; ++j )
lenTmp[nbLenBytes - j -1] = encodedTLV[ofsetLenBytes +j];
TLVLen = BitConverter.ToInt32(lenTmp, 0);
}
TLVData = new byte[TLVLen];
Array.Copy(encodedTLV, TagSize + LenSize, TLVData, 0, TLVLen);
TLVObject newObj = new TLVObject(TLVTag, TLVData);
newObj.Parent = parent;
if(newObj.Parent != null)
newObj.Parent.ChildList.Add(newObj);
elementPool.Add(newObj);
if (((byte)encodedTLV[0] & 32) == 32)
{
TLVObject oldParent = parent;
parent = newObj;
int TotalLen = TLVData.Length;
int Index = 0;
while ((TotalLen - Index) > 0)
{
byte[] SubTLV = new byte[TotalLen - Index];
Array.Copy(TLVData, Index, SubTLV, 0, SubTLV.Length);
Index += this._Parse(SubTLV);
}
parent = oldParent;
}
return TagSize + LenSize + TLVData.Length;
}
public void AddChildObject(TLVObject obj)
{
mValue = Utils.BufferConcat(mValue, obj.ToByteArray());
mLen = mValue.Length;
SetLengthBytes();
obj.parent = this;
this.childList.Add(obj);
}
