ICU-62141.0.1.tar.gz

[apple/icu.git] / icuSources / i18n / nfrs.h

diff --git a/icuSources/i18n/nfrs.h b/icuSources/i18n/nfrs.h
index 512734bd1c8b00cbe657108ac09641d67be538c7..9a3438a335db4333ef6ad64506a44ae487c84bc8 100644 (file)
--- a/icuSources/i18n/nfrs.h
+++ b/icuSources/i18n/nfrs.h
@@ -1,10 +1,12 @@
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
 /*
 ******************************************************************************
-*   Copyright (C) 1997-2001, International Business Machines
+*   Copyright (C) 1997-2015, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 ******************************************************************************
 *   file name:  nfrs.h
-*   encoding:   US-ASCII
+*   encoding:   UTF-8
 *   tab size:   8 (not used)
 *   indentation:4
 *
@@ -29,44 +31,63 @@
 U_NAMESPACE_BEGIN
 
 class NFRuleSet : public UMemory {
- public:
-  NFRuleSet(UnicodeString* descriptions, int32_t index, UErrorCode& status);
-  void parseRules(UnicodeString& rules, const RuleBasedNumberFormat* owner, UErrorCode& status);
-  void makeIntoFractionRuleSet() { fIsFractionRuleSet = TRUE; }
+public:
+    NFRuleSet(RuleBasedNumberFormat *owner, UnicodeString* descriptions, int32_t index, UErrorCode& status);
+    void parseRules(UnicodeString& rules, UErrorCode& status);
+    void setNonNumericalRule(NFRule *rule);
+    void setBestFractionRule(int32_t originalIndex, NFRule *newRule, UBool rememberRule);
+    void makeIntoFractionRuleSet() { fIsFractionRuleSet = TRUE; }
 
-  ~NFRuleSet();
+    ~NFRuleSet();
 
-  UBool operator==(const NFRuleSet& rhs) const;
-  UBool operator!=(const NFRuleSet& rhs) const { return !operator==(rhs); }
+    UBool operator==(const NFRuleSet& rhs) const;
+    UBool operator!=(const NFRuleSet& rhs) const { return !operator==(rhs); }
 
-  UBool isPublic() const { return fIsPublic; }
-  UBool isFractionRuleSet() const { return fIsFractionRuleSet; }
+    UBool isPublic() const { return fIsPublic; }
 
-  void  getName(UnicodeString& result) const { result.setTo(name); }
-  UBool isNamed(const UnicodeString& _name) const { return this->name == _name; }
+    UBool isParseable() const { return fIsParseable; }
 
-  void  format(int64_t number, UnicodeString& toAppendTo, int32_t pos) const;
-  void  format(double number, UnicodeString& toAppendTo, int32_t pos) const;
+    UBool isDecimalFormatRuleParseable() const { 
+        UnicodeString numberingYear = UNICODE_STRING_SIMPLE("spellout-numbering-year");
+        UnicodeString ordinal = UNICODE_STRING_SIMPLE("spellout-ordinal");
 
-  UBool parse(const UnicodeString& text, ParsePosition& pos, double upperBound, Formattable& result) const;
+        return ( name.indexOf(numberingYear) == -1 && name.indexOf(ordinal) == -1 );
+    }
 
-  void appendRules(UnicodeString& result) const; // toString
+    UBool isFractionRuleSet() const { return fIsFractionRuleSet; }
 
- private:
-  NFRule * findNormalRule(int64_t number) const;
-  NFRule * findDoubleRule(double number) const;
-  NFRule * findFractionRuleSetRule(double number) const;
+    void  getName(UnicodeString& result) const { result.setTo(name); }
+    UBool isNamed(const UnicodeString& _name) const { return this->name == _name; }
 
- private:
-  UnicodeString name;
-  NFRuleList rules;
-  NFRule *negativeNumberRule;
-  NFRule *fractionRules[3];
-  UBool fIsFractionRuleSet;
-  UBool fIsPublic;
+    void  format(int64_t number, UnicodeString& toAppendTo, int32_t pos, int32_t recursionCount, UErrorCode& status) const;
+    void  format(double number, UnicodeString& toAppendTo, int32_t pos, int32_t recursionCount, UErrorCode& status) const;
 
-  NFRuleSet(const NFRuleSet &other); // forbid copying of this class
-  NFRuleSet &operator=(const NFRuleSet &other); // forbid copying of this class
+    UBool parse(const UnicodeString& text, ParsePosition& pos, double upperBound, uint32_t nonNumericalExecutedRuleMask, Formattable& result, UBool lenient=FALSE) const;
+
+    void appendRules(UnicodeString& result) const; // toString
+
+    void setDecimalFormatSymbols(const DecimalFormatSymbols &newSymbols, UErrorCode& status);
+
+    const RuleBasedNumberFormat *getOwner() const { return owner; }
+private:
+    const NFRule * findNormalRule(int64_t number) const;
+    const NFRule * findDoubleRule(double number) const;
+    const NFRule * findFractionRuleSetRule(double number) const;
+    
+    friend class NFSubstitution;
+
+private:
+    UnicodeString name;
+    NFRuleList rules;
+    NFRule *nonNumericalRules[6];
+    RuleBasedNumberFormat *owner;
+    NFRuleList fractionRules;
+    UBool fIsFractionRuleSet;
+    UBool fIsPublic;
+    UBool fIsParseable;
+
+    NFRuleSet(const NFRuleSet &other); // forbid copying of this class
+    NFRuleSet &operator=(const NFRuleSet &other); // forbid copying of this class
 };
 
 // utilities from old llong.h
@@ -74,13 +95,15 @@ class NFRuleSet : public UMemory {
 int64_t util64_fromDouble(double d);
 
 // raise radix to the power exponent, only non-negative exponents
-int64_t util64_pow(int32_t radix, uint32_t exponent);
+// Arithmetic is performed in unsigned space since overflow in
+// signed space is undefined behavior.
+uint64_t util64_pow(uint32_t radix, uint16_t exponent);
 
 // convert n to digit string in buffer, return length of string
 uint32_t util64_tou(int64_t n, UChar* buffer, uint32_t buflen, uint32_t radix = 10, UBool raw = FALSE);
-int64_t util64_utoi(const UChar* str, uint32_t radix = 10);
 
 #ifdef RBNF_DEBUG
+int64_t util64_utoi(const UChar* str, uint32_t radix = 10);
 uint32_t util64_toa(int64_t n, char* buffer, uint32_t buflen, uint32_t radix = 10, UBool raw = FALSE);
 int64_t util64_atoi(const char* str, uint32_t radix);
 #endif
@@ -93,4 +116,3 @@ U_NAMESPACE_END
 
 // NFRS_H
 #endif
-