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 */ SignificantDigitInterval()29 SignificantDigitInterval() 30 : fMax(INT32_MAX), fMin(0) { } 31 32 /** 33 * Make this instance have no limit on significant digits. 34 */ clear()35 void clear() { 36 fMin = 0; 37 fMax = INT32_MAX; 38 } 39 40 /** 41 * Returns TRUE if this object is equal to rhs. 42 */ equals(const SignificantDigitInterval & rhs)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 */ setMax(int32_t count)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 */ getMax()57 int32_t getMax() const { 58 return fMax; 59 } 60 61 /** 62 * Sets minimum significant digits. 0 or negative means no minimum. 63 */ setMin(int32_t count)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 */ getMin()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 */ isNoConstraints()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__ 91