ICU 74.2: i18n/unicode/rbnf.h Source File

ICU 74.2 74.2

rbnf.h
Go to the documentation of this file.
1// © 2016 and later: Unicode, Inc. and others.
2// License & terms of use: http://www.unicode.org/copyright.html
3/*
4*******************************************************************************
5* Copyright (C) 1997-2015, International Business Machines Corporation and others.
6* All Rights Reserved.
7*******************************************************************************
8*/
9
10#ifndef RBNF_H
11#define RBNF_H
12
13#include "unicode/utypes.h"
14
15#if U_SHOW_CPLUSPLUS_API
16
29#if UCONFIG_NO_FORMATTING
30#define U_HAVE_RBNF 0
31#else
32#define U_HAVE_RBNF 1
33
34#include "unicode/dcfmtsym.h"
35#include "unicode/fmtable.h"
36#include "unicode/locid.h"
37#include "unicode/numfmt.h"
38#include "unicode/unistr.h"
39#include "unicode/strenum.h"
40#include "unicode/brkiter.h"
41#include "unicode/upluralrules.h"
42
43U_NAMESPACE_BEGIN
44
45class NFRule;
46class NFRuleSet;
47class LocalizationInfo;
48class PluralFormat;
49class RuleBasedCollator;
50
56 enum URBNFRuleSetTag {
61 URBNF_SPELLOUT,
66 URBNF_ORDINAL,
67#ifndef U_HIDE_DEPRECATED_API
72 URBNF_DURATION,
73#endif // U_HIDE_DERECATED_API
80 URBNF_NUMBERING_SYSTEM = 3,
81#ifndef U_HIDE_DEPRECATED_API
86 URBNF_COUNT
87#endif // U_HIDE_DEPRECATED_API
88};
89
582 class U_I18N_API RuleBasedNumberFormat : public NumberFormat {
583public:
584
585 //-----------------------------------------------------------------------
586 // constructors
587 //-----------------------------------------------------------------------
588
599 RuleBasedNumberFormat(const UnicodeString& rules, UParseError& perror, UErrorCode& status);
600
624 RuleBasedNumberFormat(const UnicodeString& rules, const UnicodeString& localizations,
625 UParseError& perror, UErrorCode& status);
626
642 RuleBasedNumberFormat(const UnicodeString& rules, const Locale& locale,
643 UParseError& perror, UErrorCode& status);
644
671 RuleBasedNumberFormat(const UnicodeString& rules, const UnicodeString& localizations,
672 const Locale& locale, UParseError& perror, UErrorCode& status);
673
692 RuleBasedNumberFormat(URBNFRuleSetTag tag, const Locale& locale, UErrorCode& status);
693
694 //-----------------------------------------------------------------------
695 // boilerplate
696 //-----------------------------------------------------------------------
697
703 RuleBasedNumberFormat(const RuleBasedNumberFormat& rhs);
704
710 RuleBasedNumberFormat& operator=(const RuleBasedNumberFormat& rhs);
711
716 virtual ~RuleBasedNumberFormat();
717
724 virtual RuleBasedNumberFormat* clone() const override;
725
733 virtual bool operator==(const Format& other) const override;
734
735//-----------------------------------------------------------------------
736// public API functions
737//-----------------------------------------------------------------------
738
744 virtual UnicodeString getRules() const;
745
751 virtual int32_t getNumberOfRuleSetNames() const;
752
760 virtual UnicodeString getRuleSetName(int32_t index) const;
761
767 virtual int32_t getNumberOfRuleSetDisplayNameLocales(void) const;
768
777 virtual Locale getRuleSetDisplayNameLocale(int32_t index, UErrorCode& status) const;
778
792 virtual UnicodeString getRuleSetDisplayName(int32_t index,
793 const Locale& locale = Locale::getDefault());
794
803 virtual UnicodeString getRuleSetDisplayName(const UnicodeString& ruleSetName,
804 const Locale& locale = Locale::getDefault());
805
806
807 using NumberFormat::format;
808
817 virtual UnicodeString& format(int32_t number,
818 UnicodeString& toAppendTo,
819 FieldPosition& pos) const override;
820
829 virtual UnicodeString& format(int64_t number,
830 UnicodeString& toAppendTo,
831 FieldPosition& pos) const override;
840 virtual UnicodeString& format(double number,
841 UnicodeString& toAppendTo,
842 FieldPosition& pos) const override;
843
855 virtual UnicodeString& format(int32_t number,
856 const UnicodeString& ruleSetName,
857 UnicodeString& toAppendTo,
858 FieldPosition& pos,
859 UErrorCode& status) const;
871 virtual UnicodeString& format(int64_t number,
872 const UnicodeString& ruleSetName,
873 UnicodeString& toAppendTo,
874 FieldPosition& pos,
875 UErrorCode& status) const;
887 virtual UnicodeString& format(double number,
888 const UnicodeString& ruleSetName,
889 UnicodeString& toAppendTo,
890 FieldPosition& pos,
891 UErrorCode& status) const;
892
893protected:
911 virtual UnicodeString& format(const number::impl::DecimalQuantity &number,
912 UnicodeString& appendTo,
913 FieldPosition& pos,
914 UErrorCode& status) const override;
915public:
916
917 using NumberFormat::parse;
918
933 virtual void parse(const UnicodeString& text,
934 Formattable& result,
935 ParsePosition& parsePosition) const override;
936
937#if !UCONFIG_NO_COLLATION
938
972 virtual void setLenient(UBool enabled) override;
973
981 virtual inline UBool isLenient(void) const override;
982
983#endif
984
993 virtual void setDefaultRuleSet(const UnicodeString& ruleSetName, UErrorCode& status);
994
1001 virtual UnicodeString getDefaultRuleSetName() const;
1002
1013 virtual void setContext(UDisplayContext value, UErrorCode& status) override;
1014
1020 virtual ERoundingMode getRoundingMode(void) const override;
1021
1027 virtual void setRoundingMode(ERoundingMode roundingMode) override;
1028
1029public:
1035 static UClassID U_EXPORT2 getStaticClassID(void);
1036
1042 virtual UClassID getDynamicClassID(void) const override;
1043
1052 virtual void adoptDecimalFormatSymbols(DecimalFormatSymbols* symbolsToAdopt);
1053
1063 virtual void setDecimalFormatSymbols(const DecimalFormatSymbols& symbols);
1064
1065private:
1066 RuleBasedNumberFormat() = delete; // default constructor not implemented
1067
1068 // this will ref the localizations if they are not nullptr
1069 // caller must deref to get adoption
1070 RuleBasedNumberFormat(const UnicodeString& description, LocalizationInfo* localizations,
1071 const Locale& locale, UParseError& perror, UErrorCode& status);
1072
1073 void init(const UnicodeString& rules, LocalizationInfo* localizations, UParseError& perror, UErrorCode& status);
1074 void initCapitalizationContextInfo(const Locale& thelocale);
1075 void dispose();
1076 void stripWhitespace(UnicodeString& src);
1077 void initDefaultRuleSet();
1078 NFRuleSet* findRuleSet(const UnicodeString& name, UErrorCode& status) const;
1079
1080 /* friend access */
1081 friend class NFSubstitution;
1082 friend class NFRule;
1083 friend class NFRuleSet;
1084 friend class FractionalPartSubstitution;
1085
1086 inline NFRuleSet * getDefaultRuleSet() const;
1087 const RuleBasedCollator * getCollator() const;
1088 DecimalFormatSymbols * initializeDecimalFormatSymbols(UErrorCode &status);
1089 const DecimalFormatSymbols * getDecimalFormatSymbols() const;
1090 NFRule * initializeDefaultInfinityRule(UErrorCode &status);
1091 const NFRule * getDefaultInfinityRule() const;
1092 NFRule * initializeDefaultNaNRule(UErrorCode &status);
1093 const NFRule * getDefaultNaNRule() const;
1094 PluralFormat *createPluralFormat(UPluralType pluralType, const UnicodeString &pattern, UErrorCode& status) const;
1095 UnicodeString& adjustForCapitalizationContext(int32_t startPos, UnicodeString& currentResult, UErrorCode& status) const;
1096 UnicodeString& format(int64_t number, NFRuleSet *ruleSet, UnicodeString& toAppendTo, UErrorCode& status) const;
1097 void format(double number, NFRuleSet& rs, UnicodeString& toAppendTo, UErrorCode& status) const;
1098
1099private:
1100 NFRuleSet **fRuleSets;
1101 UnicodeString* ruleSetDescriptions;
1102 int32_t numRuleSets;
1103 NFRuleSet *defaultRuleSet;
1104 Locale locale;
1105 RuleBasedCollator* collator;
1106 DecimalFormatSymbols* decimalFormatSymbols;
1107 NFRule *defaultInfinityRule;
1108 NFRule *defaultNaNRule;
1109 ERoundingMode fRoundingMode;
1110 UBool lenient;
1111 UnicodeString* lenientParseRules;
1112 LocalizationInfo* localizations;
1113 UnicodeString originalDescription;
1114 UBool capitalizationInfoSet;
1115 UBool capitalizationForUIListMenu;
1116 UBool capitalizationForStandAlone;
1117 BreakIterator* capitalizationBrkIter;
1118};
1119
1120// ---------------
1121
1122#if !UCONFIG_NO_COLLATION
1123
1124inline UBool
1125RuleBasedNumberFormat::isLenient(void) const {
1126 return lenient;
1127}
1128
1129#endif
1130
1131inline NFRuleSet*
1132RuleBasedNumberFormat::getDefaultRuleSet() const {
1133 return defaultRuleSet;
1134}
1135
1136U_NAMESPACE_END
1137
1138/* U_HAVE_RBNF */
1139#endif
1140
1141#endif /* U_SHOW_CPLUSPLUS_API */
1142
1143/* RBNF_H */
1144#endif
brkiter.h
C++ API: Break Iterator.
icu::BreakIterator
The BreakIterator class implements methods for finding the location of boundaries in text.
Definition brkiter.h:106
icu::DecimalFormatSymbols
This class represents the set of symbols needed by DecimalFormat to format numbers.
Definition dcfmtsym.h:86
icu::FieldPosition
FieldPosition is a simple class used by Format and its subclasses to identify fields in formatted out...
Definition fieldpos.h:110
icu::Format
Base class for all formats.
Definition format.h:98
icu::Formattable
Formattable objects can be passed to the Format class or its subclasses for formatting.
Definition fmtable.h:64
icu::Locale
A Locale object represents a specific geographical, political, or cultural region.
Definition locid.h:195
icu::NumberFormat
Definition numfmt.h:175
icu::NumberFormat::isLenient
virtual UBool isLenient(void) const
Returns whether lenient parsing is enabled (it is off by default).
Definition numfmt.h:1276
icu::NumberFormat::ERoundingMode
ERoundingMode
Rounding mode.
Definition numfmt.h:186
icu::NumberFormat::format
virtual UnicodeString & format(const Formattable &obj, UnicodeString &appendTo, FieldPosition &pos, UErrorCode &status) const override
Format an object to produce a string.
icu::ParsePosition
ParsePosition is a simple class used by Format and its subclasses to keep track of the current positi...
Definition parsepos.h:52
icu::PluralFormat
Definition plurfmt.h:148
icu::RuleBasedCollator
The RuleBasedCollator class provides the implementation of Collator, using data-driven tables.
Definition tblcoll.h:115
icu::RuleBasedNumberFormat
The RuleBasedNumberFormat class formats numbers according to a set of rules.
Definition rbnf.h:582
icu::RuleBasedNumberFormat::setLenient
virtual void setLenient(UBool enabled) override
Turns lenient parse mode on and off.
icu::RuleBasedNumberFormat::format
virtual UnicodeString & format(int64_t number, UnicodeString &toAppendTo, FieldPosition &pos) const override
Formats the specified 64-bit number using the default ruleset.
icu::RuleBasedNumberFormat::getRuleSetName
virtual UnicodeString getRuleSetName(int32_t index) const
Return the name of the index'th public ruleSet.
icu::RuleBasedNumberFormat::RuleBasedNumberFormat
RuleBasedNumberFormat(const UnicodeString &rules, const UnicodeString &localizations, UParseError &perror, UErrorCode &status)
Creates a RuleBasedNumberFormat that behaves according to the description passed in.
icu::RuleBasedNumberFormat::getRules
virtual UnicodeString getRules() const
return the rules that were provided to the RuleBasedNumberFormat.
icu::RuleBasedNumberFormat::RuleBasedNumberFormat
RuleBasedNumberFormat(const UnicodeString &rules, const Locale &locale, UParseError &perror, UErrorCode &status)
Creates a RuleBasedNumberFormat that behaves according to the rules passed in.
icu::RuleBasedNumberFormat::getNumberOfRuleSetNames
virtual int32_t getNumberOfRuleSetNames() const
Return the number of public rule set names.
icu::RuleBasedNumberFormat::getRoundingMode
virtual ERoundingMode getRoundingMode(void) const override
Get the rounding mode.
icu::RuleBasedNumberFormat::format
virtual UnicodeString & format(double number, const UnicodeString &ruleSetName, UnicodeString &toAppendTo, FieldPosition &pos, UErrorCode &status) const
Formats the specified number using the named ruleset.
icu::RuleBasedNumberFormat::getNumberOfRuleSetDisplayNameLocales
virtual int32_t getNumberOfRuleSetDisplayNameLocales(void) const
Return the number of locales for which we have localized rule set display names.
icu::RuleBasedNumberFormat::format
virtual UnicodeString & format(int64_t number, const UnicodeString &ruleSetName, UnicodeString &toAppendTo, FieldPosition &pos, UErrorCode &status) const
Formats the specified 64-bit number using the named ruleset.
icu::RuleBasedNumberFormat::getDynamicClassID
virtual UClassID getDynamicClassID(void) const override
ICU "poor man's RTTI", returns a UClassID for the actual class.
icu::RuleBasedNumberFormat::format
virtual UnicodeString & format(int32_t number, UnicodeString &toAppendTo, FieldPosition &pos) const override
Formats the specified 32-bit number using the default ruleset.
icu::RuleBasedNumberFormat::setDecimalFormatSymbols
virtual void setDecimalFormatSymbols(const DecimalFormatSymbols &symbols)
Sets the decimal format symbols, which is generally not changed by the programmer or user.
icu::RuleBasedNumberFormat::setContext
virtual void setContext(UDisplayContext value, UErrorCode &status) override
Set a particular UDisplayContext value in the formatter, such as UDISPCTX_CAPITALIZATION_FOR_STANDALO...
icu::RuleBasedNumberFormat::~RuleBasedNumberFormat
virtual ~RuleBasedNumberFormat()
Release memory allocated for a RuleBasedNumberFormat when you are finished with it.
icu::RuleBasedNumberFormat::format
virtual UnicodeString & format(int32_t number, const UnicodeString &ruleSetName, UnicodeString &toAppendTo, FieldPosition &pos, UErrorCode &status) const
Formats the specified number using the named ruleset.
icu::RuleBasedNumberFormat::parse
virtual void parse(const UnicodeString &text, Formattable &result, ParsePosition &parsePosition) const override
Parses the specified string, beginning at the specified position, according to this formatter's rules...
icu::RuleBasedNumberFormat::setRoundingMode
virtual void setRoundingMode(ERoundingMode roundingMode) override
Set the rounding mode.
icu::RuleBasedNumberFormat::setDefaultRuleSet
virtual void setDefaultRuleSet(const UnicodeString &ruleSetName, UErrorCode &status)
Override the default rule set to use.
icu::RuleBasedNumberFormat::operator=
RuleBasedNumberFormat & operator=(const RuleBasedNumberFormat &rhs)
Assignment operator.
icu::RuleBasedNumberFormat::format
virtual UnicodeString & format(double number, UnicodeString &toAppendTo, FieldPosition &pos) const override
Formats the specified number using the default ruleset.
icu::RuleBasedNumberFormat::clone
virtual RuleBasedNumberFormat * clone() const override
Clone this object polymorphically.
icu::RuleBasedNumberFormat::format
virtual UnicodeString & format(const number::impl::DecimalQuantity &number, UnicodeString &appendTo, FieldPosition &pos, UErrorCode &status) const override
Format a decimal number.
icu::RuleBasedNumberFormat::RuleBasedNumberFormat
RuleBasedNumberFormat(URBNFRuleSetTag tag, const Locale &locale, UErrorCode &status)
Creates a RuleBasedNumberFormat from a predefined ruleset.
icu::RuleBasedNumberFormat::getRuleSetDisplayName
virtual UnicodeString getRuleSetDisplayName(int32_t index, const Locale &locale=Locale::getDefault())
Return the rule set display names for the provided locale.
icu::RuleBasedNumberFormat::RuleBasedNumberFormat
RuleBasedNumberFormat(const RuleBasedNumberFormat &rhs)
Copy constructor.
icu::RuleBasedNumberFormat::getDefaultRuleSetName
virtual UnicodeString getDefaultRuleSetName() const
Return the name of the current default rule set.
icu::RuleBasedNumberFormat::RuleBasedNumberFormat
RuleBasedNumberFormat(const UnicodeString &rules, const UnicodeString &localizations, const Locale &locale, UParseError &perror, UErrorCode &status)
Creates a RuleBasedNumberFormat that behaves according to the description passed in.
icu::RuleBasedNumberFormat::getRuleSetDisplayNameLocale
virtual Locale getRuleSetDisplayNameLocale(int32_t index, UErrorCode &status) const
Return the index'th display name locale.
icu::RuleBasedNumberFormat::operator==
virtual bool operator==(const Format &other) const override
Return true if the given Format objects are semantically equal.
icu::RuleBasedNumberFormat::getStaticClassID
static UClassID getStaticClassID(void)
ICU "poor man's RTTI", returns a UClassID for this class.
icu::RuleBasedNumberFormat::getRuleSetDisplayName
virtual UnicodeString getRuleSetDisplayName(const UnicodeString &ruleSetName, const Locale &locale=Locale::getDefault())
Return the rule set display name for the provided rule set and locale.
icu::RuleBasedNumberFormat::adoptDecimalFormatSymbols
virtual void adoptDecimalFormatSymbols(DecimalFormatSymbols *symbolsToAdopt)
Sets the decimal format symbols, which is generally not changed by the programmer or user.
icu::RuleBasedNumberFormat::RuleBasedNumberFormat
RuleBasedNumberFormat(const UnicodeString &rules, UParseError &perror, UErrorCode &status)
Creates a RuleBasedNumberFormat that behaves according to the description passed in.
icu::UnicodeString
UnicodeString is a string class that stores Unicode characters directly and provides similar function...
Definition unistr.h:296
dcfmtsym.h
C++ API: Symbols for formatting numbers.
fmtable.h
C++ API: Formattable is a thin wrapper for primitive types used for formatting and parsing.
locid.h
C++ API: Locale ID object.
icu::URBNFRuleSetTag
URBNFRuleSetTag
Tags for the predefined rulesets.
Definition rbnf.h:56
icu::URBNF_COUNT
@ URBNF_COUNT
One more than the highest normal URBNFRuleSetTag value.
Definition rbnf.h:86
icu::URBNF_DURATION
@ URBNF_DURATION
Requests predefined ruleset for formatting a value as a duration in hours, minutes,...
Definition rbnf.h:72
icu::URBNF_ORDINAL
@ URBNF_ORDINAL
Requests predefined ruleset for the ordinal form of a number.
Definition rbnf.h:66
icu::URBNF_SPELLOUT
@ URBNF_SPELLOUT
Requests predefined ruleset for spelling out numeric values in words.
Definition rbnf.h:61
numfmt.h
C++ API: Compatibility APIs for number formatting.
strenum.h
C++ API: String Enumeration.
UParseError
A UParseError struct is used to returned detailed information about parsing errors.
Definition parseerr.h:58
UDisplayContext
UDisplayContext
Display context settings.
Definition udisplaycontext.h:64
UBool
int8_t UBool
The ICU boolean type, a signed-byte integer.
Definition umachine.h:247
unistr.h
C++ API: Unicode String.
UClassID
void * UClassID
UClassID is used to identify classes without using the compiler's RTTI.
Definition uobject.h:96
upluralrules.h
C API: Plural rules, select plural keywords for numeric values.
UPluralType
UPluralType
Type of plurals and PluralRules.
Definition upluralrules.h:59
utypes.h
Basic definitions for ICU, for both C and C++ APIs.
UErrorCode
UErrorCode
Standard ICU4C error code type, a substitute for exceptions.
Definition utypes.h:415
U_I18N_API
#define U_I18N_API
Set to export library symbols from inside the i18n library, and to import them from outside.
Definition utypes.h:301