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      1 /*
      2  * Copyright (C) 2015, International Business Machines
      3  * Corporation and others.  All Rights Reserved.
      4  *
      5  * file name: digitgrouping.cpp
      6  */
      7 
      8 #include "unicode/utypes.h"
      9 
     10 #include "digitgrouping.h"
     11 #include "smallintformatter.h"
     12 
     13 U_NAMESPACE_BEGIN
     14 
     15 UBool DigitGrouping::isSeparatorAt(
     16         int32_t digitsLeftOfDecimal, int32_t digitPos) const {
     17     if (!isGroupingEnabled(digitsLeftOfDecimal) || digitPos < fGrouping) {
     18         return FALSE;
     19     }
     20     return ((digitPos - fGrouping) % getGrouping2() == 0);
     21 }
     22 
     23 int32_t DigitGrouping::getSeparatorCount(int32_t digitsLeftOfDecimal) const {
     24     if (!isGroupingEnabled(digitsLeftOfDecimal)) {
     25         return 0;
     26     }
     27     return (digitsLeftOfDecimal - 1 - fGrouping) / getGrouping2() + 1;
     28 }
     29 
     30 UBool DigitGrouping::isGroupingEnabled(int32_t digitsLeftOfDecimal) const {
     31     return (isGroupingUsed()
     32             && digitsLeftOfDecimal >= fGrouping + getMinGrouping());
     33 }
     34 
     35 UBool DigitGrouping::isNoGrouping(
     36         int32_t positiveValue, const IntDigitCountRange &range) const {
     37     return getSeparatorCount(
     38             SmallIntFormatter::estimateDigitCount(positiveValue, range)) == 0;
     39 }
     40 
     41 int32_t DigitGrouping::getGrouping2() const {
     42     return (fGrouping2 > 0 ? fGrouping2 : fGrouping);
     43 }
     44 
     45 int32_t DigitGrouping::getMinGrouping() const {
     46     return (fMinGrouping > 0 ? fMinGrouping : 1);
     47 }
     48 
     49 void
     50 DigitGrouping::clear() {
     51     fMinGrouping = 0;
     52     fGrouping = 0;
     53     fGrouping2 = 0;
     54 }
     55 
     56 U_NAMESPACE_END
     57 
     58