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comparison: intl/icu/source/i18n/nfrule.h
intl/icu/source/i18n/nfrule.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:a1eb638d86d8 |
|---|---|
| 1 /* | |
| 2 ******************************************************************************* | |
| 3 * Copyright (C) 1997-2008, International Business Machines | |
| 4 * Corporation and others. All Rights Reserved. | |
| 5 ******************************************************************************* | |
| 6 */ | |
| 7 | |
| 8 #ifndef NFRULE_H | |
| 9 #define NFRULE_H | |
| 10 | |
| 11 #include "unicode/rbnf.h" | |
| 12 | |
| 13 #if U_HAVE_RBNF | |
| 14 | |
| 15 #include "unicode/utypes.h" | |
| 16 #include "unicode/uobject.h" | |
| 17 #include "unicode/unistr.h" | |
| 18 #include "putilimp.h" | |
| 19 | |
| 20 U_NAMESPACE_BEGIN | |
| 21 | |
| 22 class FieldPosition; | |
| 23 class Formattable; | |
| 24 class NFRuleList; | |
| 25 class NFRuleSet; | |
| 26 class NFSubstitution; | |
| 27 class ParsePosition; | |
| 28 class RuleBasedNumberFormat; | |
| 29 class UnicodeString; | |
| 30 | |
| 31 class NFRule : public UMemory { | |
| 32 public: | |
| 33 | |
| 34 enum ERuleType { | |
| 35 kNoBase = 0, | |
| 36 kNegativeNumberRule = -1, | |
| 37 kImproperFractionRule = -2, | |
| 38 kProperFractionRule = -3, | |
| 39 kMasterRule = -4, | |
| 40 kOtherRule = -5 | |
| 41 }; | |
| 42 | |
| 43 static void makeRules(UnicodeString& definition, | |
| 44 const NFRuleSet* ruleSet, | |
| 45 const NFRule* predecessor, | |
| 46 const RuleBasedNumberFormat* rbnf, | |
| 47 NFRuleList& ruleList, | |
| 48 UErrorCode& status); | |
| 49 | |
| 50 NFRule(const RuleBasedNumberFormat* rbnf); | |
| 51 ~NFRule(); | |
| 52 | |
| 53 UBool operator==(const NFRule& rhs) const; | |
| 54 UBool operator!=(const NFRule& rhs) const { return !operator==(rhs); } | |
| 55 | |
| 56 ERuleType getType() const { return (ERuleType)(baseValue <= kNoBase ? (ERuleType)baseValue : kOtherRule); } | |
| 57 void setType(ERuleType ruleType) { baseValue = (int32_t)ruleType; } | |
| 58 | |
| 59 int64_t getBaseValue() const { return baseValue; } | |
| 60 void setBaseValue(int64_t value, UErrorCode& status); | |
| 61 | |
| 62 double getDivisor() const { return uprv_pow(radix, exponent); } | |
| 63 | |
| 64 void doFormat(int64_t number, UnicodeString& toAppendTo, int32_t pos) const; | |
| 65 void doFormat(double number, UnicodeString& toAppendTo, int32_t pos) const; | |
| 66 | |
| 67 UBool doParse(const UnicodeString& text, | |
| 68 ParsePosition& pos, | |
| 69 UBool isFractional, | |
| 70 double upperBound, | |
| 71 Formattable& result) const; | |
| 72 | |
| 73 UBool shouldRollBack(double number) const; | |
| 74 | |
| 75 void _appendRuleText(UnicodeString& result) const; | |
| 76 | |
| 77 private: | |
| 78 void parseRuleDescriptor(UnicodeString& descriptor, UErrorCode& status); | |
| 79 void extractSubstitutions(const NFRuleSet* ruleSet, const NFRule* predecessor, const RuleBasedNumberFormat* rbnf, UErrorCode& status); | |
| 80 NFSubstitution* extractSubstitution(const NFRuleSet* ruleSet, const NFRule* predecessor, const RuleBasedNumberFormat* rbnf, UErrorCode& status); | |
| 81 | |
| 82 int16_t expectedExponent() const; | |
| 83 int32_t indexOfAny(const UChar* const strings[]) const; | |
| 84 double matchToDelimiter(const UnicodeString& text, int32_t startPos, double baseValue, | |
| 85 const UnicodeString& delimiter, ParsePosition& pp, const NFSubstitution* sub, | |
| 86 double upperBound) const; | |
| 87 void stripPrefix(UnicodeString& text, const UnicodeString& prefix, ParsePosition& pp) const; | |
| 88 | |
| 89 int32_t prefixLength(const UnicodeString& str, const UnicodeString& prefix, UErrorCode& status) const; | |
| 90 UBool allIgnorable(const UnicodeString& str, UErrorCode& status) const; | |
| 91 int32_t findText(const UnicodeString& str, const UnicodeString& key, | |
| 92 int32_t startingAt, int32_t* resultCount) const; | |
| 93 | |
| 94 private: | |
| 95 int64_t baseValue; | |
| 96 int32_t radix; | |
| 97 int16_t exponent; | |
| 98 UnicodeString ruleText; | |
| 99 NFSubstitution* sub1; | |
| 100 NFSubstitution* sub2; | |
| 101 const RuleBasedNumberFormat* formatter; | |
| 102 | |
| 103 NFRule(const NFRule &other); // forbid copying of this class | |
| 104 NFRule &operator=(const NFRule &other); // forbid copying of this class | |
| 105 }; | |
| 106 | |
| 107 U_NAMESPACE_END | |
| 108 | |
| 109 /* U_HAVE_RBNF */ | |
| 110 #endif | |
| 111 | |
| 112 // NFRULE_H | |
| 113 #endif | |
| 114 |
