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 SnapshotSpan CalculateSpan(IAnalysisIssueLocation location, ITextSnapshot currentSnapshot)
{
if (location.StartLine > currentSnapshot.LineCount)
{
// Race condition: the line reported in the diagnostic is beyond the end of the file, so presumably
// the file has been edited while the analysis was being executed
return(EmptySpan);
}
// SonarLint issues line numbers are 1-based, spans lines are 0-based
var startLine = currentSnapshot.GetLineFromLineNumber(location.StartLine - 1);
if (IsLineHashDifferent(location, startLine))
{
// Out of sync: the line reported in the diagnostic has been edited, so we can no longer calculate the span
return(EmptySpan);
}
var maxLength = currentSnapshot.Length;
var startPos = startLine.Start.Position + location.StartLineOffset;
int endPos;
if (location.EndLine == 0 || // Special case : EndLine = 0 means "select whole of the start line, ignoring the offset"
startPos > maxLength) // Defensive : issue start position is beyond the end of the file. Just select the last line.
{
startPos = startLine.Start.Position;
endPos = startLine.Start.Position + startLine.Length;
}
else
{
endPos = currentSnapshot.GetLineFromLineNumber(location.EndLine - 1).Start.Position + location.EndLineOffset;
// Make sure the end position isn't beyond the end of the snapshot either
endPos = Math.Min(maxLength, endPos);
}
var start = new SnapshotPoint(currentSnapshot, startPos);
var end = new SnapshotPoint(currentSnapshot, endPos);
return(new SnapshotSpan(start, end));
}
public AnalysisIssueLocationVisualization(int stepNumber, IAnalysisIssueLocation location)
{
StepNumber = stepNumber;
Location = location;
CurrentFilePath = location.FilePath;
}
private void SetupSpanCalculator(IAnalysisIssueLocation issueLocation, SnapshotSpan nonEmptySpan)
{
issueSpanCalculatorMock.Setup(x => x.CalculateSpan(issueLocation, textSnapshotMock)).Returns(nonEmptySpan);
}
private void SetupCalculatedSpan(IAnalysisIssueLocation analysisIssueLocation, SnapshotSpan span)
{
spanCalculatorMock.Setup(x => x.CalculateSpan(analysisIssueLocation, textViewCurrentSnapshotMock)).Returns(span);
}
