1 /* 2 ****************************************************************************** 3 * Copyright (C) 1997-2012, 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(UnicodeString* descriptions, int32_t index, UErrorCode& status); 34 void parseRules(UnicodeString& rules, const RuleBasedNumberFormat* owner, UErrorCode& status); makeIntoFractionRuleSet()35 void makeIntoFractionRuleSet() { fIsFractionRuleSet = TRUE; } 36 37 ~NFRuleSet(); 38 39 UBool operator==(const NFRuleSet& rhs) const; 40 UBool operator!=(const NFRuleSet& rhs) const { return !operator==(rhs); } 41 isPublic()42 UBool isPublic() const { return fIsPublic; } 43 isParseable()44 UBool isParseable() const { return fIsParseable; } 45 isFractionRuleSet()46 UBool isFractionRuleSet() const { return fIsFractionRuleSet; } 47 getName(UnicodeString & result)48 void getName(UnicodeString& result) const { result.setTo(name); } isNamed(const UnicodeString & _name)49 UBool isNamed(const UnicodeString& _name) const { return this->name == _name; } 50 51 void format(int64_t number, UnicodeString& toAppendTo, int32_t pos) const; 52 void format(double number, UnicodeString& toAppendTo, int32_t pos) const; 53 54 UBool parse(const UnicodeString& text, ParsePosition& pos, double upperBound, Formattable& result) const; 55 56 void appendRules(UnicodeString& result) const; // toString 57 58 private: 59 NFRule * findNormalRule(int64_t number) const; 60 NFRule * findDoubleRule(double number) const; 61 NFRule * findFractionRuleSetRule(double number) const; 62 63 private: 64 UnicodeString name; 65 NFRuleList rules; 66 NFRule *negativeNumberRule; 67 NFRule *fractionRules[3]; 68 UBool fIsFractionRuleSet; 69 UBool fIsPublic; 70 UBool fIsParseable; 71 int32_t fRecursionCount; 72 73 NFRuleSet(const NFRuleSet &other); // forbid copying of this class 74 NFRuleSet &operator=(const NFRuleSet &other); // forbid copying of this class 75 }; 76 77 // utilities from old llong.h 78 // convert mantissa portion of double to int64 79 int64_t util64_fromDouble(double d); 80 81 // raise radix to the power exponent, only non-negative exponents 82 int64_t util64_pow(int32_t radix, uint32_t exponent); 83 84 // convert n to digit string in buffer, return length of string 85 uint32_t util64_tou(int64_t n, UChar* buffer, uint32_t buflen, uint32_t radix = 10, UBool raw = FALSE); 86 87 #ifdef RBNF_DEBUG 88 int64_t util64_utoi(const UChar* str, uint32_t radix = 10); 89 uint32_t util64_toa(int64_t n, char* buffer, uint32_t buflen, uint32_t radix = 10, UBool raw = FALSE); 90 int64_t util64_atoi(const char* str, uint32_t radix); 91 #endif 92 93 94 U_NAMESPACE_END 95 96 /* U_HAVE_RBNF */ 97 #endif 98 99 // NFRS_H 100 #endif 101 102