ICU 76.1: i18n/unicode/numfmt.h Source File

ICU 76.1 76.1

numfmt.h
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1// © 2016 and later: Unicode, Inc. and others.
2// License & terms of use: http://www.unicode.org/copyright.html
3/*
4********************************************************************************
5* Copyright (C) 1997-2016, International Business Machines Corporation and others.
6* All Rights Reserved.
7********************************************************************************
8*
9* File NUMFMT.H
10*
11* Modification History:
12*
13* Date Name Description
14* 02/19/97 aliu Converted from java.
15* 03/18/97 clhuang Updated per C++ implementation.
16* 04/17/97 aliu Changed DigitCount to int per code review.
17* 07/20/98 stephen JDK 1.2 sync up. Added scientific support.
18* Changed naming conventions to match C++ guidelines
19* Deprecated Java style constants (eg, INTEGER_FIELD)
20********************************************************************************
21*/
22
23#ifndef NUMFMT_H
24#define NUMFMT_H
25
26
27#include "unicode/utypes.h"
28
29#if U_SHOW_CPLUSPLUS_API
30
36#if !UCONFIG_NO_FORMATTING
37
38#include "unicode/unistr.h"
39#include "unicode/format.h"
40#include "unicode/unum.h" // UNumberFormatStyle
41#include "unicode/locid.h"
42#include "unicode/stringpiece.h"
43#include "unicode/curramt.h"
44#include "unicode/udisplaycontext.h"
45
46class NumberFormatTest;
47
48U_NAMESPACE_BEGIN
49
50class SharedNumberFormat;
51
52#if !UCONFIG_NO_SERVICE
53class NumberFormatFactory;
54class StringEnumeration;
55#endif
56
175 class U_I18N_API NumberFormat : public Format {
176public:
186 enum ERoundingMode {
187 kRoundCeiling,
188 kRoundFloor,
189 kRoundDown,
190 kRoundUp,
191 kRoundHalfEven,
193 kRoundHalfDown,
195 kRoundHalfUp,
201 kRoundUnnecessary,
206 kRoundHalfOdd,
211 kRoundHalfCeiling,
216 kRoundHalfFloor,
217 };
218
234 enum EAlignmentFields {
236 kIntegerField = UNUM_INTEGER_FIELD,
238 kFractionField = UNUM_FRACTION_FIELD,
240 kDecimalSeparatorField = UNUM_DECIMAL_SEPARATOR_FIELD,
242 kExponentSymbolField = UNUM_EXPONENT_SYMBOL_FIELD,
244 kExponentSignField = UNUM_EXPONENT_SIGN_FIELD,
246 kExponentField = UNUM_EXPONENT_FIELD,
248 kGroupingSeparatorField = UNUM_GROUPING_SEPARATOR_FIELD,
250 kCurrencyField = UNUM_CURRENCY_FIELD,
252 kPercentField = UNUM_PERCENT_FIELD,
254 kPermillField = UNUM_PERMILL_FIELD,
256 kSignField = UNUM_SIGN_FIELD,
258 kMeasureUnitField = UNUM_MEASURE_UNIT_FIELD,
260 kCompactField = UNUM_COMPACT_FIELD,
261
267 INTEGER_FIELD = UNUM_INTEGER_FIELD,
269 FRACTION_FIELD = UNUM_FRACTION_FIELD
270 };
271
276 virtual ~NumberFormat();
277
284 virtual NumberFormat* clone() const override = 0;
285
292 virtual bool operator==(const Format& other) const override;
293
294
295 using Format::format;
296
312 virtual UnicodeString& format(const Formattable& obj,
313 UnicodeString& appendTo,
314 FieldPosition& pos,
315 UErrorCode& status) const override;
316
333 virtual UnicodeString& format(const Formattable& obj,
334 UnicodeString& appendTo,
335 FieldPositionIterator* posIter,
336 UErrorCode& status) const override;
337
366 virtual void parseObject(const UnicodeString& source,
367 Formattable& result,
368 ParsePosition& parse_pos) const override;
369
380 UnicodeString& format( double number,
381 UnicodeString& appendTo) const;
382
393 UnicodeString& format( int32_t number,
394 UnicodeString& appendTo) const;
395
406 UnicodeString& format( int64_t number,
407 UnicodeString& appendTo) const;
408
421 virtual UnicodeString& format(double number,
422 UnicodeString& appendTo,
423 FieldPosition& pos) const = 0;
438 virtual UnicodeString& format(double number,
439 UnicodeString& appendTo,
440 FieldPosition& pos,
441 UErrorCode &status) const;
456 virtual UnicodeString& format(double number,
457 UnicodeString& appendTo,
458 FieldPositionIterator* posIter,
459 UErrorCode& status) const;
472 virtual UnicodeString& format(int32_t number,
473 UnicodeString& appendTo,
474 FieldPosition& pos) const = 0;
475
489 virtual UnicodeString& format(int32_t number,
490 UnicodeString& appendTo,
491 FieldPosition& pos,
492 UErrorCode &status) const;
493
508 virtual UnicodeString& format(int32_t number,
509 UnicodeString& appendTo,
510 FieldPositionIterator* posIter,
511 UErrorCode& status) const;
525 virtual UnicodeString& format(int64_t number,
526 UnicodeString& appendTo,
527 FieldPosition& pos) const;
528
543 virtual UnicodeString& format(int64_t number,
544 UnicodeString& appendTo,
545 FieldPosition& pos,
546 UErrorCode& status) const;
561 virtual UnicodeString& format(int64_t number,
562 UnicodeString& appendTo,
563 FieldPositionIterator* posIter,
564 UErrorCode& status) const;
565
582 virtual UnicodeString& format(StringPiece number,
583 UnicodeString& appendTo,
584 FieldPositionIterator* posIter,
585 UErrorCode& status) const;
586
587// Can't use #ifndef U_HIDE_INTERNAL_API because these are virtual methods
588
606 virtual UnicodeString& format(const number::impl::DecimalQuantity &number,
607 UnicodeString& appendTo,
608 FieldPositionIterator* posIter,
609 UErrorCode& status) const;
610
628 virtual UnicodeString& format(const number::impl::DecimalQuantity &number,
629 UnicodeString& appendTo,
630 FieldPosition& pos,
631 UErrorCode& status) const;
632
652 virtual void parse(const UnicodeString& text,
653 Formattable& result,
654 ParsePosition& parsePosition) const = 0;
655
671 virtual void parse(const UnicodeString& text,
672 Formattable& result,
673 UErrorCode& status) const;
674
694 virtual CurrencyAmount* parseCurrency(const UnicodeString& text,
695 ParsePosition& pos) const;
696
708 UBool isParseIntegerOnly() const;
709
717 virtual void setParseIntegerOnly(UBool value);
718
726 virtual void setLenient(UBool enable);
727
736 virtual UBool isLenient() const;
737
746 static NumberFormat* U_EXPORT2 createInstance(UErrorCode&);
747
757 static NumberFormat* U_EXPORT2 createInstance(const Locale& inLocale,
758 UErrorCode&);
759
771 static NumberFormat* U_EXPORT2 createInstance(const Locale& desiredLocale,
772 UNumberFormatStyle style,
773 UErrorCode& errorCode);
774
775#ifndef U_HIDE_INTERNAL_API
776
782 static NumberFormat* internalCreateInstance(
783 const Locale& desiredLocale,
784 UNumberFormatStyle style,
785 UErrorCode& errorCode);
786
794 static const SharedNumberFormat* U_EXPORT2 createSharedInstance(
795 const Locale& inLocale, UNumberFormatStyle style, UErrorCode& status);
796
797#endif /* U_HIDE_INTERNAL_API */
798
806 static NumberFormat* U_EXPORT2 createCurrencyInstance(UErrorCode&);
807
816 static NumberFormat* U_EXPORT2 createCurrencyInstance(const Locale& inLocale,
817 UErrorCode&);
818
826 static NumberFormat* U_EXPORT2 createPercentInstance(UErrorCode&);
827
836 static NumberFormat* U_EXPORT2 createPercentInstance(const Locale& inLocale,
837 UErrorCode&);
838
846 static NumberFormat* U_EXPORT2 createScientificInstance(UErrorCode&);
847
856 static NumberFormat* U_EXPORT2 createScientificInstance(const Locale& inLocale,
857 UErrorCode&);
858
864 static const Locale* U_EXPORT2 getAvailableLocales(int32_t& count);
865
866#if !UCONFIG_NO_SERVICE
877 static URegistryKey U_EXPORT2 registerFactory(NumberFormatFactory* toAdopt, UErrorCode& status);
878
891 static UBool U_EXPORT2 unregister(URegistryKey key, UErrorCode& status);
892
899 static StringEnumeration* U_EXPORT2 getAvailableLocales();
900#endif /* UCONFIG_NO_SERVICE */
901
911 UBool isGroupingUsed() const;
912
919 virtual void setGroupingUsed(UBool newValue);
920
929 int32_t getMaximumIntegerDigits() const;
930
943 virtual void setMaximumIntegerDigits(int32_t newValue);
944
953 int32_t getMinimumIntegerDigits() const;
954
965 virtual void setMinimumIntegerDigits(int32_t newValue);
966
975 int32_t getMaximumFractionDigits() const;
976
987 virtual void setMaximumFractionDigits(int32_t newValue);
988
997 int32_t getMinimumFractionDigits() const;
998
1009 virtual void setMinimumFractionDigits(int32_t newValue);
1010
1023 virtual void setCurrency(const char16_t* theCurrency, UErrorCode& ec);
1024
1032 const char16_t* getCurrency() const;
1033
1043 virtual void setContext(UDisplayContext value, UErrorCode& status);
1044
1055 virtual UDisplayContext getContext(UDisplayContextType type, UErrorCode& status) const;
1056
1063 virtual ERoundingMode getRoundingMode() const;
1064
1070 virtual void setRoundingMode(ERoundingMode roundingMode);
1071
1072public:
1073
1082 static UClassID U_EXPORT2 getStaticClassID();
1083
1095 virtual UClassID getDynamicClassID() const override = 0;
1096
1097protected:
1098
1103 NumberFormat();
1104
1109 NumberFormat(const NumberFormat&);
1110
1115 NumberFormat& operator=(const NumberFormat&);
1116
1125 virtual void getEffectiveCurrency(char16_t* result, UErrorCode& ec) const;
1126
1127#ifndef U_HIDE_INTERNAL_API
1134 static NumberFormat* makeInstance(const Locale& desiredLocale,
1135 UNumberFormatStyle style,
1136 UBool mustBeDecimalFormat,
1137 UErrorCode& errorCode);
1138#endif /* U_HIDE_INTERNAL_API */
1139
1140private:
1141
1142 static UBool isStyleSupported(UNumberFormatStyle style);
1143
1151 static NumberFormat* makeInstance(const Locale& desiredLocale,
1152 UNumberFormatStyle style,
1153 UErrorCode& errorCode);
1154
1155 UBool fGroupingUsed;
1156 int32_t fMaxIntegerDigits;
1157 int32_t fMinIntegerDigits;
1158 int32_t fMaxFractionDigits;
1159 int32_t fMinFractionDigits;
1160
1161 protected:
1163 static const int32_t gDefaultMaxIntegerDigits;
1165 static const int32_t gDefaultMinIntegerDigits;
1166
1167 private:
1168 UBool fParseIntegerOnly;
1169 UBool fLenient; // true => lenient parse is enabled
1170
1171 // ISO currency code
1172 char16_t fCurrency[4];
1173
1174 UDisplayContext fCapitalizationContext;
1175
1176 friend class ICUNumberFormatFactory; // access to makeInstance
1177 friend class ICUNumberFormatService;
1178 friend class ::NumberFormatTest; // access to isStyleSupported()
1179};
1180
1181#if !UCONFIG_NO_SERVICE
1190 class U_I18N_API NumberFormatFactory : public UObject {
1191public:
1192
1197 virtual ~NumberFormatFactory();
1198
1205 virtual UBool visible() const = 0;
1206
1212 virtual const UnicodeString * getSupportedIDs(int32_t &count, UErrorCode& status) const = 0;
1213
1221 virtual NumberFormat* createFormat(const Locale& loc, UNumberFormatStyle formatType) = 0;
1222};
1223
1228 class U_I18N_API SimpleNumberFormatFactory : public NumberFormatFactory {
1229protected:
1234 const UBool _visible;
1235
1240 UnicodeString _id;
1241
1242public:
1246 SimpleNumberFormatFactory(const Locale& locale, UBool visible = true);
1247
1251 virtual ~SimpleNumberFormatFactory();
1252
1256 virtual UBool visible() const override;
1257
1261 virtual const UnicodeString * getSupportedIDs(int32_t &count, UErrorCode& status) const override;
1262};
1263#endif /* #if !UCONFIG_NO_SERVICE */
1264
1265// -------------------------------------
1266
1267inline UBool
1268NumberFormat::isParseIntegerOnly() const
1269{
1270 return fParseIntegerOnly;
1271}
1272
1273inline UBool
1274NumberFormat::isLenient() const
1275{
1276 return fLenient;
1277}
1278
1279U_NAMESPACE_END
1280
1281#endif /* #if !UCONFIG_NO_FORMATTING */
1282
1283#endif /* U_SHOW_CPLUSPLUS_API */
1284
1285#endif // _NUMFMT
1286//eof
icu::CurrencyAmount
A currency together with a numeric amount, such as 200 USD.
Definition curramt.h:39
icu::FieldPositionIterator
FieldPositionIterator returns the field ids and their start/limit positions generated by a call to Fo...
Definition fpositer.h:58
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:63
icu::Locale
A Locale object represents a specific geographical, political, or cultural region.
Definition locid.h:195
icu::NumberFormatFactory
A NumberFormatFactory is used to register new number formats.
Definition numfmt.h:1190
icu::NumberFormatFactory::createFormat
virtual NumberFormat * createFormat(const Locale &loc, UNumberFormatStyle formatType)=0
Return a number format of the appropriate type.
icu::NumberFormatFactory::visible
virtual UBool visible() const =0
Return true if this factory will be visible.
icu::NumberFormatFactory::getSupportedIDs
virtual const UnicodeString * getSupportedIDs(int32_t &count, UErrorCode &status) const =0
Return the locale names directly supported by this factory.
icu::NumberFormatFactory::~NumberFormatFactory
virtual ~NumberFormatFactory()
Destructor.
icu::NumberFormat
Definition numfmt.h:175
icu::NumberFormat::getEffectiveCurrency
virtual void getEffectiveCurrency(char16_t *result, UErrorCode &ec) const
Returns the currency in effect for this formatter.
icu::NumberFormat::setMinimumIntegerDigits
virtual void setMinimumIntegerDigits(int32_t newValue)
Sets the minimum number of digits allowed in the integer portion of a number.
icu::NumberFormat::format
virtual UnicodeString & format(double number, UnicodeString &appendTo, FieldPositionIterator *posIter, UErrorCode &status) const
Format a double number.
icu::NumberFormat::setParseIntegerOnly
virtual void setParseIntegerOnly(UBool value)
Sets whether or not numbers should be parsed as integers only.
icu::NumberFormat::setMaximumIntegerDigits
virtual void setMaximumIntegerDigits(int32_t newValue)
Sets the maximum number of digits allowed in the integer portion of a number.
icu::NumberFormat::getContext
virtual UDisplayContext getContext(UDisplayContextType type, UErrorCode &status) const
Get the formatter's UDisplayContext value for the specified UDisplayContextType, such as UDISPCTX_TYP...
icu::NumberFormat::getAvailableLocales
static const Locale * getAvailableLocales(int32_t &count)
Get the set of Locales for which NumberFormats are installed.
icu::NumberFormat::setContext
virtual void setContext(UDisplayContext value, UErrorCode &status)
Set a particular UDisplayContext value in the formatter, such as UDISPCTX_CAPITALIZATION_FOR_STANDALO...
icu::NumberFormat::format
UnicodeString & format(int64_t number, UnicodeString &appendTo) const
Format an int64 number.
icu::NumberFormat::operator=
NumberFormat & operator=(const NumberFormat &)
Assignment operator.
icu::NumberFormat::createCurrencyInstance
static NumberFormat * createCurrencyInstance(UErrorCode &)
Returns a currency format for the current default locale.
icu::NumberFormat::parseObject
virtual void parseObject(const UnicodeString &source, Formattable &result, ParsePosition &parse_pos) const override
Parse a string to produce an object.
icu::NumberFormat::getMinimumFractionDigits
int32_t getMinimumFractionDigits() const
Returns the minimum number of digits allowed in the fraction portion of a number.
icu::NumberFormat::clone
virtual NumberFormat * clone() const override=0
Clones this object polymorphically.
icu::NumberFormat::createPercentInstance
static NumberFormat * createPercentInstance(const Locale &inLocale, UErrorCode &)
Returns a percentage format for the specified locale.
icu::NumberFormat::gDefaultMaxIntegerDigits
static const int32_t gDefaultMaxIntegerDigits
Definition numfmt.h:1163
icu::NumberFormat::setLenient
virtual void setLenient(UBool enable)
Sets whether lenient parsing should be enabled (it is off by default).
icu::NumberFormat::getCurrency
const char16_t * getCurrency() const
Gets the currency used to display currency amounts.
icu::NumberFormat::format
virtual UnicodeString & format(const number::impl::DecimalQuantity &number, UnicodeString &appendTo, FieldPositionIterator *posIter, UErrorCode &status) const
Format a decimal number.
icu::NumberFormat::makeInstance
static NumberFormat * makeInstance(const Locale &desiredLocale, UNumberFormatStyle style, UBool mustBeDecimalFormat, UErrorCode &errorCode)
Creates the specified number format style of the desired locale.
icu::NumberFormat::format
virtual UnicodeString & format(const Formattable &obj, UnicodeString &appendTo, FieldPositionIterator *posIter, UErrorCode &status) const override
Format an object to produce a string.
icu::NumberFormat::~NumberFormat
virtual ~NumberFormat()
Destructor.
icu::NumberFormat::internalCreateInstance
static NumberFormat * internalCreateInstance(const Locale &desiredLocale, UNumberFormatStyle style, UErrorCode &errorCode)
ICU use only.
icu::NumberFormat::setMinimumFractionDigits
virtual void setMinimumFractionDigits(int32_t newValue)
Sets the minimum number of digits allowed in the fraction portion of a number.
icu::NumberFormat::format
virtual UnicodeString & format(int32_t number, UnicodeString &appendTo, FieldPositionIterator *posIter, UErrorCode &status) const
Format an int32 number.
icu::NumberFormat::format
UnicodeString & format(double number, UnicodeString &appendTo) const
Format a double number.
icu::NumberFormat::NumberFormat
NumberFormat()
Default constructor for subclass use only.
icu::NumberFormat::format
virtual UnicodeString & format(int32_t number, UnicodeString &appendTo, FieldPosition &pos) const =0
Format a long number.
icu::NumberFormat::gDefaultMinIntegerDigits
static const int32_t gDefaultMinIntegerDigits
Definition numfmt.h:1165
icu::NumberFormat::createScientificInstance
static NumberFormat * createScientificInstance(UErrorCode &)
Returns a scientific format for the current default locale.
icu::NumberFormat::format
virtual UnicodeString & format(int64_t number, UnicodeString &appendTo, FieldPosition &pos, UErrorCode &status) const
Format an int64 number.
icu::NumberFormat::EAlignmentFields
EAlignmentFields
Alignment Field constants used to construct a FieldPosition object.
Definition numfmt.h:234
icu::NumberFormat::createInstance
static NumberFormat * createInstance(UErrorCode &)
Create a default style NumberFormat for the current default locale.
icu::NumberFormat::getMaximumIntegerDigits
int32_t getMaximumIntegerDigits() const
Returns the maximum number of digits allowed in the integer portion of a number.
icu::NumberFormat::setGroupingUsed
virtual void setGroupingUsed(UBool newValue)
Set whether or not grouping will be used in this format.
icu::NumberFormat::registerFactory
static URegistryKey registerFactory(NumberFormatFactory *toAdopt, UErrorCode &status)
Register a new NumberFormatFactory.
icu::NumberFormat::getAvailableLocales
static StringEnumeration * getAvailableLocales()
Return a StringEnumeration over the locales available at the time of the call, including registered l...
icu::NumberFormat::getStaticClassID
static UClassID getStaticClassID()
Return the class ID for this class.
icu::NumberFormat::setCurrency
virtual void setCurrency(const char16_t *theCurrency, UErrorCode &ec)
Sets the currency used to display currency amounts.
icu::NumberFormat::setMaximumFractionDigits
virtual void setMaximumFractionDigits(int32_t newValue)
Sets the maximum number of digits allowed in the fraction portion of a number.
icu::NumberFormat::format
virtual UnicodeString & format(const number::impl::DecimalQuantity &number, UnicodeString &appendTo, FieldPosition &pos, UErrorCode &status) const
Format a decimal number.
icu::NumberFormat::format
virtual UnicodeString & format(StringPiece number, UnicodeString &appendTo, FieldPositionIterator *posIter, UErrorCode &status) const
Format a decimal number.
icu::NumberFormat::operator==
virtual bool operator==(const Format &other) const override
Return true if the given Format objects are semantically equal.
icu::NumberFormat::getRoundingMode
virtual ERoundingMode getRoundingMode() const
Get the rounding mode.
icu::NumberFormat::ERoundingMode
ERoundingMode
Rounding mode.
Definition numfmt.h:186
icu::NumberFormat::kRoundDown
@ kRoundDown
Round towards zero.
Definition numfmt.h:189
icu::NumberFormat::kRoundFloor
@ kRoundFloor
Round towards negative infinity.
Definition numfmt.h:188
icu::NumberFormat::kRoundCeiling
@ kRoundCeiling
Round towards positive infinity.
Definition numfmt.h:187
icu::NumberFormat::kRoundUnnecessary
@ kRoundUnnecessary
Return U_FORMAT_INEXACT_ERROR if number does not format exactly.
Definition numfmt.h:201
icu::NumberFormat::kRoundHalfFloor
@ kRoundHalfFloor
Rounds ties toward -∞.
Definition numfmt.h:216
icu::NumberFormat::kRoundHalfOdd
@ kRoundHalfOdd
Rounds ties toward the odd number.
Definition numfmt.h:206
icu::NumberFormat::kRoundHalfCeiling
@ kRoundHalfCeiling
Rounds ties toward +∞.
Definition numfmt.h:211
icu::NumberFormat::kRoundUp
@ kRoundUp
Round away from zero.
Definition numfmt.h:190
icu::NumberFormat::format
UnicodeString & format(int32_t number, UnicodeString &appendTo) const
Format a long number.
icu::NumberFormat::format
virtual UnicodeString & format(int64_t number, UnicodeString &appendTo, FieldPosition &pos) const
Format an int64 number.
icu::NumberFormat::format
virtual UnicodeString & format(double number, UnicodeString &appendTo, FieldPosition &pos) const =0
Format a double number.
icu::NumberFormat::createScientificInstance
static NumberFormat * createScientificInstance(const Locale &inLocale, UErrorCode &)
Returns a scientific format for the specified locale.
icu::NumberFormat::createInstance
static NumberFormat * createInstance(const Locale &inLocale, UErrorCode &)
Create a default style NumberFormat for the specified locale.
icu::NumberFormat::createCurrencyInstance
static NumberFormat * createCurrencyInstance(const Locale &inLocale, UErrorCode &)
Returns a currency format for the specified locale.
icu::NumberFormat::setRoundingMode
virtual void setRoundingMode(ERoundingMode roundingMode)
Set the rounding mode.
icu::NumberFormat::isGroupingUsed
UBool isGroupingUsed() const
Returns true if grouping is used in this format.
icu::NumberFormat::format
virtual UnicodeString & format(int32_t number, UnicodeString &appendTo, FieldPosition &pos, UErrorCode &status) const
Format a long number.
icu::NumberFormat::format
virtual UnicodeString & format(int64_t number, UnicodeString &appendTo, FieldPositionIterator *posIter, UErrorCode &status) const
Format an int64 number.
icu::NumberFormat::unregister
static UBool unregister(URegistryKey key, UErrorCode &status)
Unregister a previously-registered NumberFormatFactory using the key returned from the register call.
icu::NumberFormat::getDynamicClassID
virtual UClassID getDynamicClassID() const override=0
Returns a unique class ID POLYMORPHICALLY.
icu::NumberFormat::createInstance
static NumberFormat * createInstance(const Locale &desiredLocale, UNumberFormatStyle style, UErrorCode &errorCode)
Create a specific style NumberFormat for the specified locale.
icu::NumberFormat::getMaximumFractionDigits
int32_t getMaximumFractionDigits() const
Returns the maximum number of digits allowed in the fraction portion of a number.
icu::NumberFormat::parse
virtual void parse(const UnicodeString &text, Formattable &result, ParsePosition &parsePosition) const =0
Return a long if possible (e.g.
icu::NumberFormat::createPercentInstance
static NumberFormat * createPercentInstance(UErrorCode &)
Returns a percentage format for the current default locale.
icu::NumberFormat::createSharedInstance
static const SharedNumberFormat * createSharedInstance(const Locale &inLocale, UNumberFormatStyle style, UErrorCode &status)
ICU use only.
icu::NumberFormat::format
virtual UnicodeString & format(double number, UnicodeString &appendTo, FieldPosition &pos, UErrorCode &status) const
Format a double number.
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::NumberFormat::parseCurrency
virtual CurrencyAmount * parseCurrency(const UnicodeString &text, ParsePosition &pos) const
Parses text from the given string as a currency amount.
icu::NumberFormat::NumberFormat
NumberFormat(const NumberFormat &)
Copy constructor.
icu::NumberFormat::getMinimumIntegerDigits
int32_t getMinimumIntegerDigits() const
Returns the minimum number of digits allowed in the integer portion of a number.
icu::NumberFormat::parse
virtual void parse(const UnicodeString &text, Formattable &result, UErrorCode &status) const
Parse a string as a numeric value, and return a Formattable numeric object.
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::SimpleNumberFormatFactory
A NumberFormatFactory that supports a single locale.
Definition numfmt.h:1228
icu::SimpleNumberFormatFactory::SimpleNumberFormatFactory
SimpleNumberFormatFactory(const Locale &locale, UBool visible=true)
icu::SimpleNumberFormatFactory::visible
virtual UBool visible() const override
icu::SimpleNumberFormatFactory::getSupportedIDs
virtual const UnicodeString * getSupportedIDs(int32_t &count, UErrorCode &status) const override
icu::SimpleNumberFormatFactory::~SimpleNumberFormatFactory
virtual ~SimpleNumberFormatFactory()
icu::SimpleNumberFormatFactory::_id
UnicodeString _id
The locale supported by this factory, as a UnicodeString.
Definition numfmt.h:1240
icu::SimpleNumberFormatFactory::_visible
const UBool _visible
True if the locale supported by this factory is visible.
Definition numfmt.h:1234
icu::StringEnumeration
Base class for 'pure' C++ implementations of uenum api.
Definition strenum.h:61
icu::StringPiece
A string-like object that points to a sized piece of memory.
Definition stringpiece.h:61
icu::UObject
UObject is the common ICU "boilerplate" class.
Definition uobject.h:223
icu::UnicodeString
UnicodeString is a string class that stores Unicode characters directly and provides similar function...
Definition unistr.h:296
curramt.h
C++ API: Currency Amount Object.
format.h
C++ API: Base class for all formats.
locid.h
C++ API: Locale ID object.
stringpiece.h
C++ API: StringPiece: Read-only byte string wrapper class.
udisplaycontext.h
C API: Display context types (enum values)
UDisplayContextType
UDisplayContextType
Display context types, for getting values of a particular setting.
Definition udisplaycontext.h:27
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
URegistryKey
const void * URegistryKey
Opaque type returned by registerInstance, registerFactory and unregister for service registration.
Definition umisc.h:57
unistr.h
C++ API: Unicode String.
unum.h
C API: Compatibility APIs for number formatting.
UNumberFormatStyle
UNumberFormatStyle
The possible number format styles.
Definition unum.h:150
UNUM_MEASURE_UNIT_FIELD
@ UNUM_MEASURE_UNIT_FIELD
Definition unum.h:351
UNUM_COMPACT_FIELD
@ UNUM_COMPACT_FIELD
Definition unum.h:353
UNUM_INTEGER_FIELD
@ UNUM_INTEGER_FIELD
Definition unum.h:329
UNUM_PERCENT_FIELD
@ UNUM_PERCENT_FIELD
Definition unum.h:345
UNUM_PERMILL_FIELD
@ UNUM_PERMILL_FIELD
Definition unum.h:347
UNUM_EXPONENT_SYMBOL_FIELD
@ UNUM_EXPONENT_SYMBOL_FIELD
Definition unum.h:335
UNUM_GROUPING_SEPARATOR_FIELD
@ UNUM_GROUPING_SEPARATOR_FIELD
Definition unum.h:341
UNUM_DECIMAL_SEPARATOR_FIELD
@ UNUM_DECIMAL_SEPARATOR_FIELD
Definition unum.h:333
UNUM_SIGN_FIELD
@ UNUM_SIGN_FIELD
Definition unum.h:349
UNUM_CURRENCY_FIELD
@ UNUM_CURRENCY_FIELD
Definition unum.h:343
UNUM_FRACTION_FIELD
@ UNUM_FRACTION_FIELD
Definition unum.h:331
UNUM_EXPONENT_SIGN_FIELD
@ UNUM_EXPONENT_SIGN_FIELD
Definition unum.h:337
UNUM_EXPONENT_FIELD
@ UNUM_EXPONENT_FIELD
Definition unum.h:339
UClassID
void * UClassID
UClassID is used to identify classes without using the compiler's RTTI.
Definition uobject.h:96
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:430
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:316