/*
******************************************************************************
-* Copyright (C) 1997-2001, International Business Machines
+* Copyright (C) 1997-2007, International Business Machines
* Corporation and others. All Rights Reserved.
******************************************************************************
* file name: nfsubs.h
* @param radix The radix of the divisor
* @param exponent The exponent of the divisor
*/
- virtual void setDivisor(int32_t radix, int32_t exponent);
+ virtual void setDivisor(int32_t radix, int32_t exponent, UErrorCode& status);
/**
* Replaces result with the string describing the substitution.
*/
virtual UBool isModulusSubstitution() const;
-private:
- NFSubstitution(const NFSubstitution &other); // forbid copying of this class
- NFSubstitution &operator=(const NFSubstitution &other); // forbid copying of this class
-
- static const char fgClassID;
-
-public:
- static UClassID getStaticClassID(void) { return (UClassID)&fgClassID; }
- virtual UClassID getDynamicClassID(void) const;
-};
-
-class SameValueSubstitution : public NFSubstitution {
-public:
- SameValueSubstitution(int32_t pos,
- const NFRuleSet* ruleset,
- const RuleBasedNumberFormat* formatter,
- const UnicodeString& description,
- UErrorCode& status);
-
- int64_t transformNumber(int64_t number) const { return number; }
- double transformNumber(double number) const { return number; }
- double composeRuleValue(double newRuleValue, double /*oldRuleValue*/) const { return newRuleValue; }
- double calcUpperBound(double oldUpperBound) const { return oldUpperBound; }
- UChar tokenChar() const { return (UChar)0x003d; } // '='
-private:
- static const char fgClassID;
-
-public:
- static UClassID getStaticClassID(void) { return (UClassID)&fgClassID; }
- virtual UClassID getDynamicClassID(void) const;
-};
-
-class MultiplierSubstitution : public NFSubstitution {
- double divisor;
- int64_t ldivisor;
-
-public:
- MultiplierSubstitution(int32_t _pos,
- double _divisor,
- const NFRuleSet* _ruleSet,
- const RuleBasedNumberFormat* formatter,
- const UnicodeString& description,
- UErrorCode& status)
- : NFSubstitution(_pos, _ruleSet, formatter, description, status), divisor(_divisor)
- {
- ldivisor = util64_fromDouble(divisor);
- }
-
- void setDivisor(int32_t radix, int32_t exponent) {
- divisor = uprv_pow(radix, exponent);
- ldivisor = util64_fromDouble(divisor);
- }
-
- UBool operator==(const NFSubstitution& rhs) const;
-
- int64_t transformNumber(int64_t number) const {
- return number / ldivisor;
- }
-
- double transformNumber(double number) const {
- return uprv_floor(number / divisor);
- }
-
- double composeRuleValue(double newRuleValue, double /*oldRuleValue*/) const {
- return newRuleValue * divisor;
- }
-
- double calcUpperBound(double /*oldUpperBound*/) const { return divisor; }
-
- UChar tokenChar() const { return (UChar)0x003c; } // '<'
-private:
- static const char fgClassID;
-
-public:
- static UClassID getStaticClassID(void) { return (UClassID)&fgClassID; }
- virtual UClassID getDynamicClassID(void) const;
-};
-
-class ModulusSubstitution : public NFSubstitution {
- double divisor;
- int64_t ldivisor;
- const NFRule* ruleToUse;
-public:
- ModulusSubstitution(int32_t pos,
- double _divisor,
- const NFRule* rulePredecessor,
- const NFRuleSet* ruleSet,
- const RuleBasedNumberFormat* formatter,
- const UnicodeString& description,
- UErrorCode& status);
-
- void setDivisor(int32_t radix, int32_t exponent) {
- divisor = uprv_pow(radix, exponent);
- ldivisor = util64_fromDouble(divisor);
- }
-
- UBool operator==(const NFSubstitution& rhs) const;
-
- void doSubstitution(int64_t number, UnicodeString& toInsertInto, int32_t pos) const;
- void doSubstitution(double number, UnicodeString& toInsertInto, int32_t pos) const;
-
- int64_t transformNumber(int64_t number) const { return number % ldivisor; }
- double transformNumber(double number) const { return uprv_fmod(number, divisor); }
-
- UBool doParse(const UnicodeString& text,
- ParsePosition& parsePosition,
- double baseValue,
- double upperBound,
- UBool lenientParse,
- Formattable& result) const;
-
- double composeRuleValue(double newRuleValue, double oldRuleValue) const {
- return oldRuleValue - uprv_fmod(oldRuleValue, divisor) + newRuleValue;
- }
-
- double calcUpperBound(double /*oldUpperBound*/) const { return divisor; }
-
- UBool isModulusSubstitution() const { return TRUE; }
-
- UChar tokenChar() const { return (UChar)0x003e; } // '>'
-private:
- static const char fgClassID;
-
-public:
- static UClassID getStaticClassID(void) { return (UClassID)&fgClassID; }
- virtual UClassID getDynamicClassID(void) const;
-};
-
-class IntegralPartSubstitution : public NFSubstitution {
-public:
- IntegralPartSubstitution(int32_t _pos,
- const NFRuleSet* _ruleSet,
- const RuleBasedNumberFormat* formatter,
- const UnicodeString& description,
- UErrorCode& status)
- : NFSubstitution(_pos, _ruleSet, formatter, description, status) {}
-
- int64_t transformNumber(int64_t number) const { return number; }
- double transformNumber(double number) const { return uprv_floor(number); }
- double composeRuleValue(double newRuleValue, double oldRuleValue) const { return newRuleValue + oldRuleValue; }
- double calcUpperBound(double /*oldUpperBound*/) const { return DBL_MAX; }
- UChar tokenChar() const { return (UChar)0x003c; } // '<'
-private:
- static const char fgClassID;
-
-public:
- static UClassID getStaticClassID(void) { return (UClassID)&fgClassID; }
- virtual UClassID getDynamicClassID(void) const;
-};
-
-class FractionalPartSubstitution : public NFSubstitution {
- UBool byDigits;
- UBool useSpaces;
- enum { kMaxDecimalDigits = 8 };
-public:
- FractionalPartSubstitution(int32_t pos,
- const NFRuleSet* ruleSet,
- const RuleBasedNumberFormat* formatter,
- const UnicodeString& description,
- UErrorCode& status);
-
- UBool operator==(const NFSubstitution& rhs) const;
-
- void doSubstitution(double number, UnicodeString& toInsertInto, int32_t pos) const;
- void doSubstitution(int64_t /*number*/, UnicodeString& /*toInsertInto*/, int32_t /*_pos*/) const {}
- int64_t transformNumber(int64_t /*number*/) const { return 0; }
- double transformNumber(double number) const { return number - uprv_floor(number); }
-
- UBool doParse(const UnicodeString& text,
- ParsePosition& parsePosition,
- double baseValue,
- double upperBound,
- UBool lenientParse,
- Formattable& result) const;
-
- double composeRuleValue(double newRuleValue, double oldRuleValue) const { return newRuleValue + oldRuleValue; }
- double calcUpperBound(double /*oldUpperBound*/) const { return 0.0; }
- UChar tokenChar() const { return (UChar)0x003e; } // '>'
-private:
- static const char fgClassID;
-
-public:
- static UClassID getStaticClassID(void) { return (UClassID)&fgClassID; }
- virtual UClassID getDynamicClassID(void) const;
-};
-
-class AbsoluteValueSubstitution : public NFSubstitution {
-public:
- AbsoluteValueSubstitution(int32_t _pos,
- const NFRuleSet* _ruleSet,
- const RuleBasedNumberFormat* formatter,
- const UnicodeString& description,
- UErrorCode& status)
- : NFSubstitution(_pos, _ruleSet, formatter, description, status) {}
-
- int64_t transformNumber(int64_t number) const { return number >= 0 ? number : -number; }
- double transformNumber(double number) const { return uprv_fabs(number); }
- double composeRuleValue(double newRuleValue, double /*oldRuleValue*/) const { return -newRuleValue; }
- double calcUpperBound(double /*oldUpperBound*/) const { return DBL_MAX; }
- UChar tokenChar() const { return (UChar)0x003e; } // '>'
-private:
- static const char fgClassID;
-
-public:
- static UClassID getStaticClassID(void) { return (UClassID)&fgClassID; }
- virtual UClassID getDynamicClassID(void) const;
-};
+ /**
+ * @return true if this is a decimal format-only substitution
+ */
+ virtual UBool isDecimalFormatSubstitutionOnly() const;
-class NumeratorSubstitution : public NFSubstitution {
- double denominator;
- int64_t ldenominator;
-public:
- NumeratorSubstitution(int32_t _pos,
- double _denominator,
- const NFRuleSet* _ruleSet,
- const RuleBasedNumberFormat* formatter,
- const UnicodeString& description,
- UErrorCode& status)
- : NFSubstitution(_pos, _ruleSet, formatter, description, status), denominator(_denominator)
- {
- ldenominator = util64_fromDouble(denominator);
- }
-
- UBool operator==(const NFSubstitution& rhs) const;
-
- int64_t transformNumber(int64_t number) const { return number * ldenominator; }
- double transformNumber(double number) const { return uprv_round(number * denominator); }
+ /**
+ * @return true if this substitution only points to another ruleSet (no numberFormat)
+ */
+ virtual UBool isRuleSetSubstitutionOnly() const;
- UBool doParse(const UnicodeString& text,
- ParsePosition& parsePosition,
- double baseValue,
- double upperBound,
- UBool /*lenientParse*/,
- Formattable& result) const
- {
- // we don't have to do anything special to do the parsing here,
- // but we have to turn lenient parsing off-- if we leave it on,
- // it SERIOUSLY messes up the algorithm
- return NFSubstitution::doParse(text, parsePosition, baseValue, upperBound, FALSE, result);
- }
- double composeRuleValue(double newRuleValue, double oldRuleValue) const { return newRuleValue / oldRuleValue; }
- double calcUpperBound(double /*oldUpperBound*/) const { return denominator; }
- UChar tokenChar() const { return (UChar)0x003c; } // '<'
private:
- static const char fgClassID;
-
-public:
- static UClassID getStaticClassID(void) { return (UClassID)&fgClassID; }
- virtual UClassID getDynamicClassID(void) const;
-};
+ NFSubstitution(const NFSubstitution &other); // forbid copying of this class
+ NFSubstitution &operator=(const NFSubstitution &other); // forbid copying of this class
-class NullSubstitution : public NFSubstitution {
-public:
- NullSubstitution(int32_t _pos,
- const NFRuleSet* _ruleSet,
- const RuleBasedNumberFormat* formatter,
- const UnicodeString& description,
- UErrorCode& status)
- : NFSubstitution(_pos, _ruleSet, formatter, description, status) {}
-
- void toString(UnicodeString& /*result*/) const {}
- void doSubstitution(double /*number*/, UnicodeString& /*toInsertInto*/, int32_t /*_pos*/) const {}
- void doSubstitution(int64_t /*number*/, UnicodeString& /*toInsertInto*/, int32_t /*_pos*/) const {}
- int64_t transformNumber(int64_t /*number*/) const { return 0; }
- double transformNumber(double /*number*/) const { return 0; }
- UBool doParse(const UnicodeString& /*text*/,
- ParsePosition& /*parsePosition*/,
- double baseValue,
- double /*upperBound*/,
- UBool /*lenientParse*/,
- Formattable& result) const
- { result.setDouble(baseValue); return TRUE; }
- double composeRuleValue(double /*newRuleValue*/, double /*oldRuleValue*/) const { return 0.0; } // never called
- double calcUpperBound(double /*oldUpperBound*/) const { return 0; } // never called
- UBool isNullSubstitution() const { return TRUE; }
- UChar tokenChar() const { return (UChar)0x0020; } // ' ' never called
-private:
- static const char fgClassID;
-
public:
- static UClassID getStaticClassID(void) { return (UClassID)&fgClassID; }
+ static UClassID getStaticClassID(void);
virtual UClassID getDynamicClassID(void) const;
};
projects / apple / icu.git / blobdiff