public SmartTag(List <byte> tagname, int dataLen, List <byte> tagValue, string tagDescript, SmartTag parent = null)
{
Tagname = tagname;
DataLen = dataLen;
TagValue = tagValue;
Description = tagDescript;
Parent = parent;
}
internal List <SmartTag> parsetlv(byte[] data, SmartTag parent = null)
{
List <SmartTag> tags = new List <SmartTag>();
int index = 0;
while (index < data.Length)
{
var temptag = new List <byte>();
var tagValue = new List <byte>();
var tagLen = 0;
//Get the tag name
temptag.Add(data[index]);
if ((data[index] & EmvConstants.SeeSubsequentBytes) == EmvConstants.SeeSubsequentBytes)
{
index++;
temptag.Add(data[index]);
}
Console.WriteLine("EmvTag " + StringTools.ByteArrayToHexString(temptag.ToArray()));
index++;
// Get the length of the data to follow
if ((data[index] & 0x80) == 0x80)
{
int bytesForLenght = data[index] % 0x80;
index++;
for (int i = 0; i < bytesForLenght; i++)
{
tagLen += data[index];
index++;
}
}
else
{
tagLen = data[index];
index++;
}
// Get the value of the tag
for (int i = 0; i < tagLen; i++)
{
try
{
tagValue.Add(data[index]);
index++;
}
catch (Exception)
{
i = tagLen;
}
}
string tagDesc = EmvConstants.getTagDescription(StringTools.ByteArrayToHexString(temptag.ToArray()).ToLower());
SmartTag smarttag = new SmartTag(temptag, tagLen, tagValue, tagDesc, parent);
tags.Add(smarttag);
if (smarttag.IsConstructed)
{
smarttag.Children = parsetlv(smarttag.TagValue.ToArray(), smarttag);
}
TagList.Add(smarttag);
}
return(tags);
}