public static Packet GeneratePacket(List <Frame> frames, ChecksumType checksumType, int checksumLength)
{
IChecksumCalculator calculator = ChecksumCalculatorFactory.Create(checksumType);
string framesData = string.Join("", frames.Select(f => f.GetFrame()));
string checksum = calculator.Calculate(framesData, checksumLength);
return(new Packet(frames, checksum));
}
public static Frame GenerateFrame(int length, ChecksumType checksumType, int checksumLength)
{
string data = GenerateBytes(length);
IChecksumCalculator calculator = ChecksumCalculatorFactory.Create(checksumType);
string checksum = calculator.Calculate(data, checksumLength);
return(new Frame(data, checksum));
}
private bool IsLineHashDifferent(IAnalysisIssueLocation location, ITextSnapshotLine snapshotLine)
{
if (string.IsNullOrEmpty(location.LineHash))
{
return(false);
}
var textInSnapshot = snapshotLine.GetText();
var snapshotLineHash = checksumCalculator.Calculate(textInSnapshot);
return(snapshotLineHash != location.LineHash);
}
public string Calculate(string documentText, int oneBasedLineNumber)
{
if (string.IsNullOrEmpty(documentText) || oneBasedLineNumber < 1)
{
return(null);
}
var lines = GetLines(documentText);
if (oneBasedLineNumber > lines.Length)
{
return(null);
}
var lineToHash = lines[oneBasedLineNumber - 1];
var hash = checksumCalculator.Calculate(lineToHash);
return(hash);
}
/// <summary>
/// Validate the subject for the given expected checksum.
/// The checksum is calculated and then compared to the expected one.
/// </summary>
/// <param name="calculator">The algorithm</param>
/// <param name="subject">the text to check</param>
/// <param name="expectedChecksum">the checksum that is expected</param>
/// <returns>Is the expected checksum found</returns>
public static bool Validate(this IChecksumCalculator calculator, string subject, int expectedChecksum)
{
var actualChecksum = calculator.Calculate(subject);
return(actualChecksum == expectedChecksum);
}