/// <summary>
/// This method checks the given method declarations are too long based on the configured limits. If so, the method
/// declaration and the corresponding limit configuration is put together in an instance of <see cref="LongMethodOccurrence">LongMethodOccurrence</see>.
/// </summary>
/// <param name="methodDeclarations">The list of method declarations that will be analyzed.</param>
private void AnalyzeAndCacheLongMethodOccurrences(IEnumerable <MethodDeclarationSyntax> methodDeclarations)
{
if (methodDeclarations == null)
{
throw new ArgumentNullException(nameof(methodDeclarations));
}
_longMethodOccurrences.Clear();
foreach (var methodDeclaration in methodDeclarations)
{
var linesOfCode = methodDeclaration.Body.WithoutLeadingTrivia().WithoutTrailingTrivia().GetText().Lines.Count;
var correspondingLimitConfiguration = null as LongMethodLimitConfiguration;
foreach (var limitConfiguration in ConfigurationManager.Configuration.MethodTooLongLimits.OrderBy(limit => limit.Lines))
{
if (linesOfCode < limitConfiguration.Lines)
{
break;
}
correspondingLimitConfiguration = limitConfiguration;
}
if (correspondingLimitConfiguration != null)
{
var occurence = new LongMethodOccurrence(methodDeclaration, correspondingLimitConfiguration);
_longMethodOccurrences.Add(occurence);
}
}
}
/// <summary>
/// This method creates the visual for a method background and moves it to the correct position.
/// </summary>
/// <param name="adornmentBounds">The bounds of the rectangular adornment.</param>
/// <param name="longMethodOccurence">The occurence of the method declaration for which the visual will be created.</param>
/// <returns>Returns the image that is the visual adornment (method background).</returns>
private Image CreateAndPositionMethodBackgroundVisual(Rect adornmentBounds, LongMethodOccurrence longMethodOccurence)
{
if (adornmentBounds == null)
{
throw new ArgumentNullException(nameof(adornmentBounds));
}
if (longMethodOccurence == null)
{
throw new ArgumentNullException(nameof(longMethodOccurence));
}
var backgroundGeometry = new RectangleGeometry(adornmentBounds);
var backgroundBrush = new SolidColorBrush(longMethodOccurence.LimitConfiguration.Color);
backgroundBrush.Freeze();
var drawing = new GeometryDrawing(backgroundBrush, ConfigurationManager.LongMethodBorderPen, backgroundGeometry);
drawing.Freeze();
var drawingImage = new DrawingImage(drawing);
drawingImage.Freeze();
var image = new Image
{
Source = drawingImage
};
Canvas.SetLeft(image, adornmentBounds.Left);
Canvas.SetTop(image, adornmentBounds.Top);
return(image);
}
