projects / apple / icu.git / blame
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|---|---|---|
| 2ca993e8 A |
1 | /* |
| 2 | ******************************************************************************* | |
| 3 | * Copyright (C) 2015, International Business Machines | |
| 4 | * Corporation and others. All Rights Reserved. | |
| 5 | ******************************************************************************* | |
| 6 | * significantdigitinterval.h | |
| 7 | * | |
| 8 | * created on: 2015jan6 | |
| 9 | * created by: Travis Keep | |
| 10 | */ | |
| 11 | ||
| 12 | #ifndef __SIGNIFICANTDIGITINTERVAL_H__ | |
| 13 | #define __SIGNIFICANTDIGITINTERVAL_H__ | |
| 14 | ||
| 15 | #include "unicode/uobject.h" | |
| 16 | #include "unicode/utypes.h" | |
| 17 | ||
| 18 | U_NAMESPACE_BEGIN | |
| 19 | ||
| 20 | /** | |
| 21 | * An interval of allowed significant digit counts. | |
| 22 | */ | |
| 23 | class U_I18N_API SignificantDigitInterval : public UMemory { | |
| 24 | public: | |
| 25 | ||
| 26 | /** | |
| 27 | * No limits on significant digits. | |
| 28 | */ | |
| 29 | SignificantDigitInterval() | |
| 30 | : fMax(INT32_MAX), fMin(0) { } | |
| 31 | ||
| 32 | /** | |
| 33 | * Make this instance have no limit on significant digits. | |
| 34 | */ | |
| 35 | void clear() { | |
| 36 | fMin = 0; | |
| 37 | fMax = INT32_MAX; | |
| 38 | } | |
| 39 | ||
| 40 | /** | |
| 41 | * Returns TRUE if this object is equal to rhs. | |
| 42 | */ | |
| 43 | UBool equals(const SignificantDigitInterval &rhs) const { | |
| 44 | return ((fMax == rhs.fMax) && (fMin == rhs.fMin)); | |
| 45 | } | |
| 46 | ||
| 47 | /** | |
| 48 | * Sets maximum significant digits. 0 or negative means no maximum. | |
| 49 | */ | |
| 50 | void setMax(int32_t count) { | |
| 51 | fMax = count <= 0 ? INT32_MAX : count; | |
| 52 | } | |
| 53 | ||
| 54 | /** | |
| 55 | * Get maximum significant digits. INT32_MAX means no maximum. | |
| 56 | */ | |
| 57 | int32_t getMax() const { | |
| 58 | return fMax; | |
| 59 | } | |
| 60 | ||
| 61 | /** | |
| 62 | * Sets minimum significant digits. 0 or negative means no minimum. | |
| 63 | */ | |
| 64 | void setMin(int32_t count) { | |
| 65 | fMin = count <= 0 ? 0 : count; | |
| 66 | } | |
| 67 | ||
| 68 | /** | |
| 69 | * Get maximum significant digits. 0 means no minimum. | |
| 70 | */ | |
| 71 | int32_t getMin() const { | |
| 72 | return fMin; | |
| 73 | } | |
| 74 | ||
| 75 | /** | |
| 76 | * Returns TRUE if this instance represents no constraints on significant | |
| 77 | * digits. | |
| 78 | */ | |
| 79 | UBool isNoConstraints() const { | |
| 80 | return fMin == 0 && fMax == INT32_MAX; | |
| 81 | } | |
| 82 | ||
| 83 | private: | |
| 84 | int32_t fMax; | |
| 85 | int32_t fMin; | |
| 86 | }; | |
| 87 | ||
| 88 | U_NAMESPACE_END | |
| 89 | ||
| 90 | #endif // __SIGNIFICANTDIGITINTERVAL_H__ |