mockit.coverage.reporting.lineCoverage.LineSegmentsFormatter Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of jmockit-coverage Show documentation

JMockit Coverage is a code coverage tool with several metrics (line, path, data) capable of generating HTML reports. It is designed with ease of use in mind, avoiding the need for complex configuration. Instead, smart (but overridable) defaults are employed, such as the selection of which classes to consider for coverage, and where to find sources files for report generation.

There is a newer version: 1.23

Show newest version

/*
 * Copyright (c) 2006-2013 Rogério Liesenfeld
 * This file is subject to the terms of the MIT license (see LICENSE.txt).
 */
package mockit.coverage.reporting.lineCoverage;

import java.util.*;

import org.jetbrains.annotations.*;

import mockit.coverage.*;
import mockit.coverage.lines.*;
import mockit.coverage.reporting.*;
import mockit.coverage.reporting.parsing.*;

final class LineSegmentsFormatter
{
   @Nullable private final ListOfCallPoints listOfCallPoints;
   @NotNull private final StringBuilder line;
   private int lineNumber;

   // Helper fields:
   @Nullable private LineElement element;
   private int segmentIndex;

   LineSegmentsFormatter(boolean withCallPoints, @NotNull StringBuilder line)
   {
      listOfCallPoints = withCallPoints ? new ListOfCallPoints() : null;
      this.line = line;
   }

   void formatSegments(@NotNull LineParser lineParser, @NotNull LineCoverageData lineData)
   {
      lineNumber = lineParser.getNumber();

      List branchData = lineData.getBranches();
      int numSegments = 1 + branchData.size();

      element = lineParser.getInitialElement().appendUntilNextCodeElement(line);

      segmentIndex = 0;
      appendUntilFirstElementAfterNextBranchingPoint(lineData);

      for (segmentIndex = 1; element != null && segmentIndex < numSegments; segmentIndex++) {
         LineSegmentData segmentData = branchData.get(segmentIndex - 1);

         element = element.appendUntilNextCodeElement(line);
         appendUntilFirstElementAfterNextBranchingPoint(segmentData);
      }

      line.append("

");

      if (listOfCallPoints != null && lineData.containsCallPoints()) {
         line.append(listOfCallPoints.getContents());
      }
   }

   private void appendUntilFirstElementAfterNextBranchingPoint(@NotNull LineSegmentData segmentData)
   {
      if (element != null) {
         LineElement firstElement = element;
         element = element.findNextBranchingPoint();

         appendToFormattedLine(firstElement, segmentData);

         if (element != null && element.isBranchingElement()) {
            line.append(element.getText());
            element = element.getNext();
         }
      }
   }

   private void appendToFormattedLine(@NotNull LineElement firstElement, @NotNull LineSegmentData segmentData)
   {
      if (firstElement == element) {
         return;
      }

      appendStartTag(segmentData);
      firstElement.appendAllBefore(line, element);
      appendEndTag(segmentData);
   }

   private void appendStartTag(@NotNull LineSegmentData segmentData)
   {
      line.append("");
      }
      else {
         line.append("class='uncovered'>");
      }
   }

   private void appendTooltipWithExecutionCounts(@NotNull LineSegmentData segmentData)
   {
      line.append("title='Executions: ").append(segmentData.getExecutionCount()).append("' ");
   }

   private void appendEndTag(@NotNull LineSegmentData segmentData)
   {
      int i = line.length() - 1;

      while (Character.isWhitespace(line.charAt(i))) {
         i--;
      }
      
      line.insert(i + 1, "");

      if (listOfCallPoints != null) {
         List callPoints = segmentData.getCallPoints();

         if (callPoints != null) {
            listOfCallPoints.insertListOfCallPoints(callPoints);
         }
      }
   }
}