/// <summary>
/// Writes the bytes from the given ByteFilter into the given byte array
/// starting at the given index.
/// </summary>
public static void WriteBytes(byte[] writeTo, long startIndex, ByteFilter data)
{
for (long i = 0; i < data.Length; i++)
{
if (data.IsWildcardIndex(i))
{
continue;
}
else
{
writeTo[startIndex + i] = data.Bytes[i];
}
}
}
/// <summary>
/// Returns the start index of the first occurrence of the given ByteFilter.
/// </summary>
public static long GetStartIndex(byte[] fileBytes, ByteFilter findBytes)
{
long matchIndex = 0;
for (long i = 0; i < fileBytes.Length; i++)
{
if (findBytes.IsWildcardIndex(matchIndex) || fileBytes[i] == findBytes.Bytes[matchIndex])
{
matchIndex++;
if (matchIndex == findBytes.Length)
{
return(i - matchIndex + 1);
}
}
else
{
matchIndex = 0;
}
}
return(-1);
}
