public static string OctetsToSeptetsStr(this byte[] data)
{
if (data == null)
{
return(string.Empty);
}
string str = string.Empty;
string s = string.Empty;
int index = 0;
while (index < data.Length)
{
string str3 = ExtensionDataType.IntToBinary(data[index], 8);
string str4 = string.Empty;
string str5 = str3.Substring((index % 7) + 1, 7 - (index % 7));
if ((index != 0) && ((index % 7) != 0))
{
str4 = str5 + s;
}
else
{
if (index != 0)
{
str = str + ((char)ExtensionDataType.BinaryToInt(s));
}
str4 = str5;
}
s = str3.Substring(0, (index % 7) + 1);
str = str + ((char)ExtensionDataType.BinaryToInt(str4));
index++;
}
if (((index != 0) && ((index % 7) == 0)) && (s != "0000000"))
{
str = str + ((char)ExtensionDataType.BinaryToInt(s));
}
return(str);
}
public static byte[] SeptetsToOctetsInt(this string data)
{
ArrayList list = new ArrayList();
string s = string.Empty;
for (int i = 0; i < data.Length; i++)
{
string str2 = ExtensionDataType.IntToBinary((byte)data[i], 7);
if ((i != 0) && ((i % 8) != 0))
{
string str4 = str2.Substring(7 - (i % 8)) + s;
list.Add(ExtensionDataType.BinaryToInt(str4));
}
s = str2.Substring(0, 7 - (i % 8));
if ((i == (data.Length - 1)) && (s != string.Empty))
{
list.Add(ExtensionDataType.BinaryToInt(s));
}
}
byte[] array = new byte[list.Count];
list.CopyTo(array);
return(array);
}