com.google.common.collect.Range#canonical ( )源码实例Demo

private static Range<Integer> normalizeRange(final Range<Integer> range)
{
    Range<Integer> newRange = AT_LEAST_ZERO.intersection(range);

    if (newRange.isEmpty())
        throw new IllegalArgumentException("illegal range " + range
            + ": intersection with " + AT_LEAST_ZERO + " is empty");

    newRange = newRange.canonical(DiscreteDomain.integers());

    final int lowerBound = newRange.lowerEndpoint();

    return newRange.hasUpperBound()
        ? Range.closed(lowerBound, newRange.upperEndpoint() - 1)
        : Range.atLeast(lowerBound);
}
 

public RangeSet<Integer> characterRangesToTokenRanges(Collection<Range<Integer>> characterRanges)
        throws FormatterException {
    RangeSet<Integer> tokenRangeSet = TreeRangeSet.create();
    for (Range<Integer> characterRange0 : characterRanges) {
        Range<Integer> characterRange = characterRange0.canonical(DiscreteDomain.integers());
        tokenRangeSet.add(
                characterRangeToTokenRange(
                        characterRange.lowerEndpoint(),
                        characterRange.upperEndpoint() - characterRange.lowerEndpoint()));
    }
    return tokenRangeSet;
}
 

public RangeSet<Integer> characterRangesToTokenRanges(Collection<Range<Integer>> characterRanges)
        throws FormatterException {
    RangeSet<Integer> tokenRangeSet = TreeRangeSet.create();
    for (Range<Integer> characterRange0 : characterRanges) {
        Range<Integer> characterRange = characterRange0.canonical(DiscreteDomain.integers());
        tokenRangeSet.add(
                characterRangeToTokenRange(
                        characterRange.lowerEndpoint(),
                        characterRange.upperEndpoint() - characterRange.lowerEndpoint()));
    }
    return tokenRangeSet;
}
 

public RangeSet<Integer> characterRangesToTokenRanges(Collection<Range<Integer>> characterRanges)
    throws FormatterException {
  RangeSet<Integer> tokenRangeSet = TreeRangeSet.create();
  for (Range<Integer> characterRange0 : characterRanges) {
    Range<Integer> characterRange = characterRange0.canonical(DiscreteDomain.integers());
    tokenRangeSet.add(
        characterRangeToTokenRange(
            characterRange.lowerEndpoint(),
            characterRange.upperEndpoint() - characterRange.lowerEndpoint()));
  }
  return tokenRangeSet;
}
 

private static Range<Integer> offsetRange(Range<Integer> range, int offset) {
    range = range.canonical(DiscreteDomain.integers());
    return Range.closedOpen(range.lowerEndpoint() + offset, range.upperEndpoint() + offset);
}
 

private static Range<Integer> offsetRange(Range<Integer> range, int offset) {
    range = range.canonical(DiscreteDomain.integers());
    return Range.closedOpen(range.lowerEndpoint() + offset, range.upperEndpoint() + offset);
}
 

private static Range<Integer> offsetRange(Range<Integer> range, int offset) {
  range = range.canonical(DiscreteDomain.integers());
  return Range.closedOpen(range.lowerEndpoint() + offset, range.upperEndpoint() + offset);
}