How to use

getStartLine

method

in

org.eclipse.jface.text.source.ILineRange

/**
 * Computes the end index of a line range.
 *
 * @param range a line range
 * @return the last line (exclusive) of <code>range</code>
 */
private static int end(ILineRange range) {
  return range.getStartLine() + range.getNumberOfLines();
}

/**
 * Returns <code>true</code> if <code>range</code> contains <code>line</code>. A line is
 * not contained in a range if it is the range's exclusive end line.
 *
 * @param range the range to check whether it contains <code>line</code>
 * @param line the line the line
 * @return <code>true</code> if <code>range</code> contains <code>line</code>,
 *         <code>false</code> if not
 */
private static boolean contains(ILineRange range, int line) {
  return range.getStartLine() <= line && end(range) > line;
}

/**
 * Computes the end index of a line range.
 *
 * @param range a line range
 * @return the last line (exclusive) of <code>range</code>
 */
private static int end(ILineRange range) {
  return range.getStartLine() + range.getNumberOfLines();
}

/**
 * Computes the end index of a line range.
 *
 * @param range a line range
 * @return the last line (exclusive) of <code>range</code>
 */
private static int end(ILineRange range) {
  return range.getStartLine() + range.getNumberOfLines();
}

/**
 * Computes the end index of a line range.
 *
 * @param range a line range
 * @return the last line (exclusive) of <code>range</code>
 */
private static int end(ILineRange range) {
  return range.getStartLine() + range.getNumberOfLines();
}

/**
 * Computes the end index of a line range.
 *
 * @param range a line range
 * @return the last line (exclusive) of <code>range</code>
 */
private static int end(ILineRange range) {
  return range.getStartLine() + range.getNumberOfLines();
}

/**
 * Returns <code>true</code> if <code>range</code> contains <code>line</code>. A line is
 * not contained in a range if it is the range's exclusive end line.
 *
 * @param range the range to check whether it contains <code>line</code>
 * @param line the line the line
 * @return <code>true</code> if <code>range</code> contains <code>line</code>,
 *         <code>false</code> if not
 */
private static boolean contains(ILineRange range, int line) {
  return range.getStartLine() <= line && end(range) > line;
}

@Override
public Object getHoverInfo(ISourceViewer sourceViewer, ILineRange lineRange, int visibleNumberOfLines) {
  RevisionRange range= getRange(lineRange.getStartLine());
  Object info= range == null ? null : range.getRevision().getHoverInfo();
  return info;
}

/**
 * Returns the line coverage of the adjusted ranges, an empty range if the coverage is empty.
 *
 * @return the line coverage of the adjusted ranges
 */
public ILineRange getAdjustedCoverage() {
  if (fAdjusted.isEmpty())
    return new LineRange(fLines.getStartLine(), 0);
  Range first= fAdjusted.get(0);
  Range last= fAdjusted.get(fAdjusted.size() - 1);
  return Range.createAbsolute(first.start(), last.end());
}

@Override
public Object getHoverInfo(ISourceViewer sourceViewer, ILineRange lineRange, int visibleNumberOfLines) {
  RevisionRange range= getRange(lineRange.getStartLine());
  Object info= range == null ? null : range.getRevision().getHoverInfo();
  return info;
}

/**
 * Creates a new range with the same start and length as the passed line range.
 *
 * @param range the range to copy
 * @return a <code>Range</code> with the same start and length as <code>range</code>
 * @throws LineIndexOutOfBoundsException if the passed {@link ILineRange} does not adhere to the
 *         contract of {@link Range}
 */
public static Range copy(ILineRange range) throws LineIndexOutOfBoundsException {
  return createRelative(range.getStartLine(), range.getNumberOfLines());
}

  @Override
  public String toString() {
    return "ChangeRegion [" + fRevision.toString() + ", [" + fLines.getStartLine() + "+" + fLines.getNumberOfLines() + ")]"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
  }
}

/**
 * Creates a new range with the same start and length as the passed line range.
 *
 * @param range the range to copy
 * @return a <code>Range</code> with the same start and length as <code>range</code>
 * @throws LineIndexOutOfBoundsException if the passed {@link ILineRange} does not adhere to the
 *         contract of {@link Range}
 */
public static Range copy(ILineRange range) throws LineIndexOutOfBoundsException {
  return createRelative(range.getStartLine(), range.getNumberOfLines());
}

  @Override
  public String toString() {
    return "ChangeRegion [" + fRevision.toString() + ", [" + fLines.getStartLine() + "+" + fLines.getNumberOfLines() + ")]"; //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$
  }
}

@Override
public Object getHoverInfo(ISourceViewer sourceViewer, ILineRange lineRange, int visibleLines) {
  int first= adaptFirstLine(sourceViewer, lineRange.getStartLine());
  int last= adaptLastLine(sourceViewer, lineRange.getStartLine() + lineRange.getNumberOfLines() - 1);
  String content= computeContent(sourceViewer, first, last, visibleLines);
  return formatSource(content);
}

@Override
public Object getHoverInfo(ISourceViewer sourceViewer, ILineRange lineRange, int visibleLines) {
  int first= adaptFirstLine(sourceViewer, lineRange.getStartLine());
  int last= adaptLastLine(sourceViewer, lineRange.getStartLine() + lineRange.getNumberOfLines() - 1);
  String content= computeContent(sourceViewer, first, last, visibleLines);
  return formatSource(content);
}

/**
 * Returns <code>true</code> if the passed range has the same offset and length as the receiver.
 *
 * @param range another line range to compare the receiver to
 * @return <code>true</code> if <code>range</code> has the same offset and length as the receiver
 */
public boolean equalRange(ILineRange range) {
  if (range == this)
    return true;
  if (range == null)
    return false;
  return range.getStartLine() == start() && range.getNumberOfLines() == length();
}

public DocEquivalenceComparator(DocumentEquivalenceClass equivalenceClass, ILineRange range) {
  fEquivalenceClass= equivalenceClass;
  if (range == null) {
    fLineOffset= 0;
    fLines= fEquivalenceClass.getCount();
  } else {
    fLineOffset= range.getStartLine();
    fLines= range.getNumberOfLines();
    Assert.isTrue(fLineOffset >= 0);
    Assert.isTrue(fLineOffset + fLines <= fEquivalenceClass.getCount());
  }
}

public DocEquivalenceComparator(DocumentEquivalenceClass equivalenceClass, ILineRange range) {
  fEquivalenceClass= equivalenceClass;
  if (range == null) {
    fLineOffset= 0;
    fLines= fEquivalenceClass.getCount();
  } else {
    fLineOffset= range.getStartLine();
    fLines= range.getNumberOfLines();
    Assert.isTrue(fLineOffset >= 0);
    Assert.isTrue(fLineOffset + fLines <= fEquivalenceClass.getCount());
  }
}

private IRegion getRegion(IDocument document, ILineRange lineRange) throws BadLocationException {
  final int startLine= lineRange.getStartLine();
  int offset= document.getLineOffset(startLine);
  final int numberOfLines= lineRange.getNumberOfLines();
  if (numberOfLines < 1)
    return new Region(offset, 0);
  int endLine= startLine + numberOfLines - 1;
  int endOffset= document.getLineOffset(endLine) + document.getLineLength(endLine);
  return new Region(offset, endOffset - offset);
}