public Object Clone()
{
TLStruct result = new TLStruct(tag, length);
result.bytesRead = bytesRead;
return(result);
}
public void updateValueBytesRead(int n)
{
if (state.Count == 0)
{
return;
}
TLStruct currentObject = state.Peek();
int bytesLeft = currentObject.getLength() - currentObject.getBytesRead();
if (n > bytesLeft)
{
throw new ArgumentException("Cannot read " + n + " bytes! Only " + bytesLeft + " bytes left in this TLV object " + currentObject);
}
currentObject.updateValueBytesRead(n);
int currentLength = currentObject.getLength();
if (currentObject.getBytesRead() == currentLength)
{
state.Pop();
/* Recursively update parent. */
updateValueBytesRead(currentLength);
_isAtStartOfTag = true;
}
else
{
_isAtStartOfTag = false;
}
}
public int getTag()
{
if (state.Count == 0)
{
throw new Exception("Tag not yet read.");
}
TLStruct currentObject = state.Peek();
return(currentObject.getTag());
}
public bool isAtStartOfLength()
{
if (state.Count == 0)
{
return(false);
}
TLStruct currentObject = state.Peek();
return(currentObject.getLength() < 0);
}
public void setTagRead(int tag, int bytesRead)
{
TLStruct obj = new TLStruct(tag, -1);
if (state.Count != 0)
{
TLStruct parent = state.Peek();
parent.updateValueBytesRead(bytesRead);
}
state.Push(obj);
_isAtStartOfTag = false;
}
public int getLength()
{
if (state.Count == 0)
{
throw new Exception("Length not yet read.");
}
TLStruct currentObject = state.Peek();
int length = currentObject.getLength();
if (length < 0)
{
throw new Exception("Length not yet read.");
}
return(length);
}
public void setLengthRead(int length, int bytesRead)
{
if (length < 0)
{
throw new ArgumentException("Cannot set negative length (length = " + length + ").");
}
TLStruct obj = state.Pop();
if (state.Count != 0)
{
TLStruct parent = state.Peek();
parent.updateValueBytesRead(bytesRead);
}
obj.setLength(length);
state.Push(obj);
_isAtStartOfTag = false;
}
public int getValueBytesLeft()
{
if (state.Count == 0)
{
throw new Exception("Not yet reading value.");
}
TLStruct currentObject = state.Peek();
int currentLength = currentObject.getLength();
if (currentLength < 0)
{
throw new Exception("Not yet reading value.");
}
int currentBytesRead = currentObject.getBytesRead();
return(currentLength - currentBytesRead);
}
public Object Clone()
{
TLStruct result = new TLStruct(tag, length);
result.bytesRead = bytesRead;
return result;
}
public void setTagRead(int tag, int bytesRead)
{
TLStruct obj = new TLStruct(tag, -1);
if (state.Count != 0)
{
TLStruct parent = state.Peek();
parent.updateValueBytesRead(bytesRead);
}
state.Push(obj);
_isAtStartOfTag = false;
}