icuSources/i18n/digitinterval.cpp

   1 /*
   2  * Copyright (C) 2015, International Business Machines
   3  * Corporation and others.  All Rights Reserved.
   4  *
   5  * file name: digitinterval.cpp
   6  */
   7
   8 #include "unicode/utypes.h"
   9
  10 #include "digitinterval.h"
  11
  12 U_NAMESPACE_BEGIN
  13
  14 void DigitInterval::expandToContain(const DigitInterval &rhs) {
  15     if (fSmallestInclusive > rhs.fSmallestInclusive) {
  16         fSmallestInclusive = rhs.fSmallestInclusive;
  17     }
  18     if (fLargestExclusive < rhs.fLargestExclusive) {
  19         fLargestExclusive = rhs.fLargestExclusive;
  20     }
  21 }
  22
  23 void DigitInterval::shrinkToFitWithin(const DigitInterval &rhs) {
  24     if (fSmallestInclusive < rhs.fSmallestInclusive) {
  25         fSmallestInclusive = rhs.fSmallestInclusive;
  26     }
  27     if (fLargestExclusive > rhs.fLargestExclusive) {
  28         fLargestExclusive = rhs.fLargestExclusive;
  29     }
  30 }
  31
  32 void DigitInterval::setIntDigitCount(int32_t count) {
  33     fLargestExclusive = count < 0 ? INT32_MAX : count;
  34 }
  35
  36 void DigitInterval::setFracDigitCount(int32_t count) {
  37     fSmallestInclusive = count < 0 ? INT32_MIN : -count;
  38 }
  39
  40 void DigitInterval::expandToContainDigit(int32_t digitExponent) {
  41   if (fLargestExclusive <= digitExponent) {
  42       fLargestExclusive = digitExponent + 1;
  43   } else if (fSmallestInclusive > digitExponent) {
  44       fSmallestInclusive = digitExponent;
  45   }
  46 }
  47
  48 UBool DigitInterval::contains(int32_t x) const {
  49     return (x < fLargestExclusive && x >= fSmallestInclusive);
  50 }
  51
  52
  53 U_NAMESPACE_END
  54