1 /* 2 ****************************************************************************** 3 * Copyright (C) 1997-2009, 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); 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 42 UBool isPublic() const { return fIsPublic; } 43 44 UBool isParseable() const { 45 UnicodeString prefixpart = UNICODE_STRING_SIMPLE("-prefixpart"); 46 UnicodeString postfix = UNICODE_STRING_SIMPLE("-postfix"); 47 UnicodeString postfx = UNICODE_STRING_SIMPLE("-postfx"); 48 49 return ( name.indexOf(prefixpart) == -1 && name.indexOf(postfix) == -1 && name.indexOf(postfx) == -1 ); 50 } 51 52 UBool isFractionRuleSet() const { return fIsFractionRuleSet; } 53 54 void getName(UnicodeString& result) const { result.setTo(name); } 55 UBool isNamed(const UnicodeString& _name) const { return this->name == _name; } 56 57 void format(int64_t number, UnicodeString& toAppendTo, int32_t pos) const; 58 void format(double number, UnicodeString& toAppendTo, int32_t pos) const; 59 60 UBool parse(const UnicodeString& text, ParsePosition& pos, double upperBound, Formattable& result) const; 61 62 void appendRules(UnicodeString& result) const; // toString 63 64 private: 65 NFRule * findNormalRule(int64_t number) const; 66 NFRule * findDoubleRule(double number) const; 67 NFRule * findFractionRuleSetRule(double number) const; 68 69 private: 70 UnicodeString name; 71 NFRuleList rules; 72 NFRule *negativeNumberRule; 73 NFRule *fractionRules[3]; 74 UBool fIsFractionRuleSet; 75 UBool fIsPublic; 76 int32_t fRecursionCount; 77 78 NFRuleSet(const NFRuleSet &other); // forbid copying of this class 79 NFRuleSet &operator=(const NFRuleSet &other); // forbid copying of this class 80 }; 81 82 // utilities from old llong.h 83 // convert mantissa portion of double to int64 84 int64_t util64_fromDouble(double d); 85 86 // raise radix to the power exponent, only non-negative exponents 87 int64_t util64_pow(int32_t radix, uint32_t exponent); 88 89 // convert n to digit string in buffer, return length of string 90 uint32_t util64_tou(int64_t n, UChar* buffer, uint32_t buflen, uint32_t radix = 10, UBool raw = FALSE); 91 92 #ifdef RBNF_DEBUG 93 int64_t util64_utoi(const UChar* str, uint32_t radix = 10); 94 uint32_t util64_toa(int64_t n, char* buffer, uint32_t buflen, uint32_t radix = 10, UBool raw = FALSE); 95 int64_t util64_atoi(const char* str, uint32_t radix); 96 #endif 97 98 99 U_NAMESPACE_END 100 101 /* U_HAVE_RBNF */ 102 #endif 103 104 // NFRS_H 105 #endif 106 107
