projects / apple / icu.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ca993e8 A |
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 |