| | 1 | // © 2016 and later: Unicode, Inc. and others. |
| | 2 | // License & terms of use: http://www.unicode.org/copyright.html |
| | 3 | /* |
| | 4 | ******************************************************************************* |
| | 5 | * Copyright (C) 2015, International Business Machines |
| | 6 | * Corporation and others. All Rights Reserved. |
| | 7 | ******************************************************************************* |
| | 8 | * significantdigitinterval.h |
| | 9 | * |
| | 10 | * created on: 2015jan6 |
| | 11 | * created by: Travis Keep |
| | 12 | */ |
| | 13 | |
| | 14 | #ifndef __SIGNIFICANTDIGITINTERVAL_H__ |
| | 15 | #define __SIGNIFICANTDIGITINTERVAL_H__ |
| | 16 | |
| | 17 | #include "unicode/uobject.h" |
| | 18 | #include "unicode/utypes.h" |
| | 19 | |
| | 20 | U_NAMESPACE_BEGIN |
| | 21 | |
| | 22 | /** |
| | 23 | * An interval of allowed significant digit counts. |
| | 24 | */ |
| | 25 | class U_I18N_API SignificantDigitInterval : public UMemory { |
| | 26 | public: |
| | 27 | |
| | 28 | /** |
| | 29 | * No limits on significant digits. |
| | 30 | */ |
| | 31 | SignificantDigitInterval() |
| | 32 | : fMax(INT32_MAX), fMin(0) { } |
| | 33 | |
| | 34 | /** |
| | 35 | * Make this instance have no limit on significant digits. |
| | 36 | */ |
| | 37 | void clear() { |
| | 38 | fMin = 0; |
| | 39 | fMax = INT32_MAX; |
| | 40 | } |
| | 41 | |
| | 42 | /** |
| | 43 | * Returns TRUE if this object is equal to rhs. |
| | 44 | */ |
| | 45 | UBool equals(const SignificantDigitInterval &rhs) const { |
| | 46 | return ((fMax == rhs.fMax) && (fMin == rhs.fMin)); |
| | 47 | } |
| | 48 | |
| | 49 | /** |
| | 50 | * Sets maximum significant digits. 0 or negative means no maximum. |
| | 51 | */ |
| | 52 | void setMax(int32_t count) { |
| | 53 | fMax = count <= 0 ? INT32_MAX : count; |
| | 54 | } |
| | 55 | |
| | 56 | /** |
| | 57 | * Get maximum significant digits. INT32_MAX means no maximum. |
| | 58 | */ |
| | 59 | int32_t getMax() const { |
| | 60 | return fMax; |
| | 61 | } |
| | 62 | |
| | 63 | /** |
| | 64 | * Sets minimum significant digits. 0 or negative means no minimum. |
| | 65 | */ |
| | 66 | void setMin(int32_t count) { |
| | 67 | fMin = count <= 0 ? 0 : count; |
| | 68 | } |
| | 69 | |
| | 70 | /** |
| | 71 | * Get maximum significant digits. 0 means no minimum. |
| | 72 | */ |
| | 73 | int32_t getMin() const { |
| | 74 | return fMin; |
| | 75 | } |
| | 76 | |
| | 77 | /** |
| | 78 | * Returns TRUE if this instance represents no constraints on significant |
| | 79 | * digits. |
| | 80 | */ |
| | 81 | UBool isNoConstraints() const { |
| | 82 | return fMin == 0 && fMax == INT32_MAX; |
| | 83 | } |
| | 84 | |
| | 85 | private: |
| | 86 | int32_t fMax; |
| | 87 | int32_t fMin; |
| | 88 | }; |
| | 89 | |
| | 90 | U_NAMESPACE_END |
| | 91 | |
| | 92 | #endif // __SIGNIFICANTDIGITINTERVAL_H__ |
projects / apple / icu.git / blame_incremental