icuSources/i18n/nfrs.h

   1 /*
   2 ******************************************************************************
   3 *   Copyright (C) 1997-2015, 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(RuleBasedNumberFormat *owner, UnicodeString* descriptions, int32_t index, UErrorCode& status);
  34     void parseRules(UnicodeString& rules, UErrorCode& status);
  35     void setNonNumericalRule(NFRule *rule);
  36     void setBestFractionRule(int32_t originalIndex, NFRule *newRule, UBool rememberRule);
  37     void makeIntoFractionRuleSet() { fIsFractionRuleSet = TRUE; }
  38
  39     ~NFRuleSet();
  40
  41     UBool operator==(const NFRuleSet& rhs) const;
  42     UBool operator!=(const NFRuleSet& rhs) const { return !operator==(rhs); }
  43
  44     UBool isPublic() const { return fIsPublic; }
  45
  46     UBool isParseable() const { return fIsParseable; }
  47
  48     UBool isDecimalFormatRuleParseable() const {
  49         UnicodeString numberingYear = UNICODE_STRING_SIMPLE("spellout-numbering-year");
  50         UnicodeString ordinal = UNICODE_STRING_SIMPLE("spellout-ordinal");
  51
  52         return ( name.indexOf(numberingYear) == -1 && name.indexOf(ordinal) == -1 );
  53     }
  54
  55     UBool isFractionRuleSet() const { return fIsFractionRuleSet; }
  56
  57     void  getName(UnicodeString& result) const { result.setTo(name); }
  58     UBool isNamed(const UnicodeString& _name) const { return this->name == _name; }
  59
  60     void  format(int64_t number, UnicodeString& toAppendTo, int32_t pos, int32_t recursionCount, UErrorCode& status) const;
  61     void  format(double number, UnicodeString& toAppendTo, int32_t pos, int32_t recursionCount, UErrorCode& status) const;
  62
  63     UBool parse(const UnicodeString& text, ParsePosition& pos, double upperBound, Formattable& result, UBool lenient=FALSE) const;
  64
  65     void appendRules(UnicodeString& result) const; // toString
  66
  67     void setDecimalFormatSymbols(const DecimalFormatSymbols &newSymbols, UErrorCode& status);
  68
  69     const RuleBasedNumberFormat *getOwner() const { return owner; }
  70 private:
  71     const NFRule * findNormalRule(int64_t number) const;
  72     const NFRule * findDoubleRule(double number) const;
  73     const NFRule * findFractionRuleSetRule(double number) const;
  74
  75     friend class NFSubstitution;
  76
  77 private:
  78     UnicodeString name;
  79     NFRuleList rules;
  80     NFRule *nonNumericalRules[6];
  81     RuleBasedNumberFormat *owner;
  82     NFRuleList fractionRules;
  83     UBool fIsFractionRuleSet;
  84     UBool fIsPublic;
  85     UBool fIsParseable;
  86
  87     NFRuleSet(const NFRuleSet &other); // forbid copying of this class
  88     NFRuleSet &operator=(const NFRuleSet &other); // forbid copying of this class
  89 };
  90
  91 // utilities from old llong.h
  92 // convert mantissa portion of double to int64
  93 int64_t util64_fromDouble(double d);
  94
  95 // raise radix to the power exponent, only non-negative exponents
  96 int64_t util64_pow(int32_t radix, uint32_t exponent);
  97
  98 // convert n to digit string in buffer, return length of string
  99 uint32_t util64_tou(int64_t n, UChar* buffer, uint32_t buflen, uint32_t radix = 10, UBool raw = FALSE);
 100
 101 #ifdef RBNF_DEBUG
 102 int64_t util64_utoi(const UChar* str, uint32_t radix = 10);
 103 uint32_t util64_toa(int64_t n, char* buffer, uint32_t buflen, uint32_t radix = 10, UBool raw = FALSE);
 104 int64_t util64_atoi(const char* str, uint32_t radix);
 105 #endif
 106
 107
 108 U_NAMESPACE_END
 109
 110 /* U_HAVE_RBNF */
 111 #endif
 112
 113 // NFRS_H
 114 #endif
 115