1 // Copyright (C) 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 */ SignificantDigitInterval()31 SignificantDigitInterval() 32 : fMax(INT32_MAX), fMin(0) { } 33 34 /** 35 * Make this instance have no limit on significant digits. 36 */ clear()37 void clear() { 38 fMin = 0; 39 fMax = INT32_MAX; 40 } 41 42 /** 43 * Returns TRUE if this object is equal to rhs. 44 */ equals(const SignificantDigitInterval & rhs)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 */ setMax(int32_t count)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 */ getMax()59 int32_t getMax() const { 60 return fMax; 61 } 62 63 /** 64 * Sets minimum significant digits. 0 or negative means no minimum. 65 */ setMin(int32_t count)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 */ getMin()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 */ isNoConstraints()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__ 93