/* main initialization function. erase our cache too if needed */
public override void init(string binaryString, int bpc, int add)
{
base.init(binaryString, bpc, add);
if (binaryString != null)
{
swp = null;
byteArray = null;
}
}
public StringWithParity toStringWithParity(int add)
{
if (swp == null)
{
swp = calculateStringWithParity(Atoms, add);
}
return(swp);
}
public StringWithParity(StringWithParity swp)
{
if (swp.st != null)
{
int len = swp.st.GetLength(0);
this.st = new byte[len];
Array.Copy(swp.st, this.st, len);
}
if (swp.parity != null)
{
int len = swp.st.GetLength(0);
this.parity = new bool[len];
Array.Copy(swp.parity, this.parity, len);
}
}
public static string stringWithParityToBinaryString(StringWithParity swp, int bpc, int add)
{
if (swp == null)
{
return(null);
}
StringBuilder sb = new StringBuilder();
byte [] data = swp.data;
for (int i = 0; i < data.GetLength(0); i++)
{
bool parity = true;
byte encodedChar = (byte)(Convert.ToByte(data[i]) - add);
for (int j = 0; j < bpc - 1; j++)
{
if ((encodedChar & (1 << j)) != 0)
{
sb.Append('1');
parity = !parity;
}
else
{
sb.Append('0');
}
}
if (parity)
{
sb.Append('1');
}
else
{
sb.Append('0');
}
}
return(sb.ToString());
}
public static bool IsNullOrEmpty(StringWithParity crcString)
{
return((crcString.st == null) || (crcString.parity == null));
}
public Variant(StringWithParity input, int bpc, int add)
{
init(input, bpc, add);
}
/* initialization through StringWithParity */
public void init(StringWithParity input, int bpc, int add)
{
init(stringWithParityToBinaryString(input, bpc, add), bpc, add);
}