1 /* 2 ****************************************************************************** 3 * Copyright (C) 1997-2015, International Business Machines 4 * Corporation and others. All Rights Reserved. 5 ****************************************************************************** 6 * file name: nfrs.h 7 * encoding: US-ASCII 8 * tab size: 8 (not used) 9 * indentation:4 10 * 11 * Modification history 12 * Date Name Comments 13 * 10/11/2001 Doug Ported from ICU4J 14 */ 15 16 #ifndef NFRS_H 17 #define NFRS_H 18 19 #include "unicode/uobject.h" 20 #include "unicode/rbnf.h" 21 22 #if U_HAVE_RBNF 23 24 #include "unicode/utypes.h" 25 #include "unicode/umisc.h" 26 27 #include "nfrlist.h" 28 29 U_NAMESPACE_BEGIN 30 31 class NFRuleSet : public UMemory { 32 public: 33 NFRuleSet(RuleBasedNumberFormat *owner, UnicodeString* descriptions, int32_t index, UErrorCode& status); 34 void parseRules(UnicodeString& rules, UErrorCode& status); 35 void setNonNumericalRule(NFRule *rule); 36 void setBestFractionRule(int32_t originalIndex, NFRule *newRule, UBool rememberRule); 37 void makeIntoFractionRuleSet() { fIsFractionRuleSet = TRUE; } 38 39 ~NFRuleSet(); 40 41 UBool operator==(const NFRuleSet& rhs) const; 42 UBool operator!=(const NFRuleSet& rhs) const { return !operator==(rhs); } 43 44 UBool isPublic() const { return fIsPublic; } 45 46 UBool isParseable() const { return fIsParseable; } 47 48 UBool isFractionRuleSet() const { return fIsFractionRuleSet; } 49 50 void getName(UnicodeString& result) const { result.setTo(name); } 51 UBool isNamed(const UnicodeString& _name) const { return this->name == _name; } 52 53 void format(int64_t number, UnicodeString& toAppendTo, int32_t pos, int32_t recursionCount, UErrorCode& status) const; 54 void format(double number, UnicodeString& toAppendTo, int32_t pos, int32_t recursionCount, UErrorCode& status) const; 55 56 UBool parse(const UnicodeString& text, ParsePosition& pos, double upperBound, Formattable& result) const; 57 58 void appendRules(UnicodeString& result) const; // toString 59 60 void setDecimalFormatSymbols(const DecimalFormatSymbols &newSymbols, UErrorCode& status); 61 62 const RuleBasedNumberFormat *getOwner() const { return owner; } 63 private: 64 const NFRule * findNormalRule(int64_t number) const; 65 const NFRule * findDoubleRule(double number) const; 66 const NFRule * findFractionRuleSetRule(double number) const; 67 68 friend class NFSubstitution; 69 70 private: 71 UnicodeString name; 72 NFRuleList rules; 73 NFRule *nonNumericalRules[6]; 74 RuleBasedNumberFormat *owner; 75 NFRuleList fractionRules; 76 UBool fIsFractionRuleSet; 77 UBool fIsPublic; 78 UBool fIsParseable; 79 80 NFRuleSet(const NFRuleSet &other); // forbid copying of this class 81 NFRuleSet &operator=(const NFRuleSet &other); // forbid copying of this class 82 }; 83 84 // utilities from old llong.h 85 // convert mantissa portion of double to int64 86 int64_t util64_fromDouble(double d); 87 88 // raise radix to the power exponent, only non-negative exponents 89 int64_t util64_pow(int32_t radix, uint32_t exponent); 90 91 // convert n to digit string in buffer, return length of string 92 uint32_t util64_tou(int64_t n, UChar* buffer, uint32_t buflen, uint32_t radix = 10, UBool raw = FALSE); 93 94 #ifdef RBNF_DEBUG 95 int64_t util64_utoi(const UChar* str, uint32_t radix = 10); 96 uint32_t util64_toa(int64_t n, char* buffer, uint32_t buflen, uint32_t radix = 10, UBool raw = FALSE); 97 int64_t util64_atoi(const char* str, uint32_t radix); 98 #endif 99 100 101 U_NAMESPACE_END 102 103 /* U_HAVE_RBNF */ 104 #endif 105 106 // NFRS_H 107 #endif 108 109
