public static bool InHexFormat(string hexString)
{
bool result = true;
for (int i = 0; i < hexString.get_Length(); i++)
{
char c = hexString.get_Chars(i);
if (!HexEncoding.IsHexDigit(c))
{
result = false;
break;
}
}
return(result);
}
public static int GetByteCount(string hexString)
{
int num = 0;
for (int i = 0; i < hexString.get_Length(); i++)
{
char c = hexString.get_Chars(i);
if (HexEncoding.IsHexDigit(c))
{
num++;
}
}
if (num % 2 != 0)
{
num--;
}
return(num / 2);
}
public static byte[] GetBytes(string hexString, out int discarded)
// hexString var is the string of text being read from the textbox in the app
// discarded is an integer that is being referenced from the original void
{
discarded = 0;
string text = "";
for (int i = 0; i < hexString.get_Length(); i++) // Set i = 0 // Stop if i is greater than string length
{
char c = hexString.get_Chars(i); // c var is declared as char and set equal to each char in the text string
if (HexEncoding.IsHexDigit(c)) // If the char in the text string is a Hex digit...
{
text += c; // text = text + c
}
else
{
discarded++; // If it is not a hex digit, then increment discarded integer by 1?
}
}
if (text.get_Length() % 2 != 0) // If the text string's length has a remainder greater other than zero
{
discarded++; // Increment discarded integer by 1
text = text.Substring(0, text.get_Length() - 1); // Update text string var = starting at substring index position 0, with a total length of the substring - 1
}
int num = text.get_Length() / 2; // var num integer = length of text string and divides by 2
byte[] array = new byte[num]; // Make a new array of bytes containing the amount of bytes specified by num variable
int num2 = 0; // Make a new integer = 0
for (int j = 0; j < array.Length; j++) // Do until j exceeds length of the array
{
string hex = new string(new char[] // Make a new string of chars named hex and get chars of bytes 0 and 1
{
text.get_Chars(num2),
text.get_Chars(num2 + 1)
});
array[j] = HexEncoding.HexToByte(hex); // Turn hex into bytes for j array
num2 += 2; // Advance position by 2?
}
return(array); // Returns a really f****d up array
}