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datefmt.h
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dcfmtsym.h
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decimfmt.h
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unum.h
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uobject.h
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uregex.h
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utf32.h
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utmscale.h
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Edit: dcfmtsym.h
// © 2016 and later: Unicode, Inc. and others. // License & terms of use: http://www.unicode.org/copyright.html /* ******************************************************************************** * Copyright (C) 1997-2016, International Business Machines * Corporation and others. All Rights Reserved. ******************************************************************************** * * File DCFMTSYM.H * * Modification History: * * Date Name Description * 02/19/97 aliu Converted from java. * 03/18/97 clhuang Updated per C++ implementation. * 03/27/97 helena Updated to pass the simple test after code review. * 08/26/97 aliu Added currency/intl currency symbol support. * 07/22/98 stephen Changed to match C++ style * currencySymbol -> fCurrencySymbol * Constants changed from CAPS to kCaps * 06/24/99 helena Integrated Alan's NF enhancements and Java2 bug fixes * 09/22/00 grhoten Marked deprecation tags with a pointer to replacement * functions. ******************************************************************************** */ #ifndef DCFMTSYM_H #define DCFMTSYM_H #include "unicode/utypes.h" #if U_SHOW_CPLUSPLUS_API #if !UCONFIG_NO_FORMATTING #include "unicode/uchar.h" #include "unicode/uobject.h" #include "unicode/locid.h" #include "unicode/numsys.h" #include "unicode/unum.h" #include "unicode/unistr.h" /** * \file * \brief C++ API: Symbols for formatting numbers. */ U_NAMESPACE_BEGIN /** * This class represents the set of symbols needed by DecimalFormat * to format numbers. DecimalFormat creates for itself an instance of * DecimalFormatSymbols from its locale data. If you need to change any * of these symbols, you can get the DecimalFormatSymbols object from * your DecimalFormat and modify it. * <P> * Here are the special characters used in the parts of the * subpattern, with notes on their usage. * <pre> * \code * Symbol Meaning * 0 a digit * # a digit, zero shows as absent * . placeholder for decimal separator * , placeholder for grouping separator. * ; separates formats. * - default negative prefix. * % divide by 100 and show as percentage * X any other characters can be used in the prefix or suffix * ' used to quote special characters in a prefix or suffix. * \endcode * </pre> * [Notes] * <P> * If there is no explicit negative subpattern, - is prefixed to the * positive form. That is, "0.00" alone is equivalent to "0.00;-0.00". * <P> * The grouping separator is commonly used for thousands, but in some * countries for ten-thousands. The interval is a constant number of * digits between the grouping characters, such as 100,000,000 or 1,0000,0000. * If you supply a pattern with multiple grouping characters, the interval * between the last one and the end of the integer is the one that is * used. So "#,##,###,####" == "######,####" == "##,####,####". */ class U_I18N_API DecimalFormatSymbols : public UObject { public: /** * Constants for specifying a number format symbol. * @stable ICU 2.0 */ enum ENumberFormatSymbol { /** The decimal separator */ kDecimalSeparatorSymbol, /** The grouping separator */ kGroupingSeparatorSymbol, /** The pattern separator */ kPatternSeparatorSymbol, /** The percent sign */ kPercentSymbol, /** Zero*/ kZeroDigitSymbol, /** Character representing a digit in the pattern */ kDigitSymbol, /** The minus sign */ kMinusSignSymbol, /** The plus sign */ kPlusSignSymbol, /** The currency symbol */ kCurrencySymbol, /** The international currency symbol */ kIntlCurrencySymbol, /** The monetary separator */ kMonetarySeparatorSymbol, /** The exponential symbol */ kExponentialSymbol, /** Per mill symbol - replaces kPermillSymbol */ kPerMillSymbol, /** Escape padding character */ kPadEscapeSymbol, /** Infinity symbol */ kInfinitySymbol, /** Nan symbol */ kNaNSymbol, /** Significant digit symbol * @stable ICU 3.0 */ kSignificantDigitSymbol, /** The monetary grouping separator * @stable ICU 3.6 */ kMonetaryGroupingSeparatorSymbol, /** One * @stable ICU 4.6 */ kOneDigitSymbol, /** Two * @stable ICU 4.6 */ kTwoDigitSymbol, /** Three * @stable ICU 4.6 */ kThreeDigitSymbol, /** Four * @stable ICU 4.6 */ kFourDigitSymbol, /** Five * @stable ICU 4.6 */ kFiveDigitSymbol, /** Six * @stable ICU 4.6 */ kSixDigitSymbol, /** Seven * @stable ICU 4.6 */ kSevenDigitSymbol, /** Eight * @stable ICU 4.6 */ kEightDigitSymbol, /** Nine * @stable ICU 4.6 */ kNineDigitSymbol, /** Multiplication sign. * @stable ICU 54 */ kExponentMultiplicationSymbol, /** count symbol constants */ kFormatSymbolCount = kNineDigitSymbol + 2 }; /** * Create a DecimalFormatSymbols object for the given locale. * * @param locale The locale to get symbols for. * @param status Input/output parameter, set to success or * failure code upon return. * @stable ICU 2.0 */ DecimalFormatSymbols(const Locale& locale, UErrorCode& status); /** * Creates a DecimalFormatSymbols instance for the given locale with digits and symbols * corresponding to the given NumberingSystem. * * This constructor behaves equivalently to the normal constructor called with a locale having a * "numbers=xxxx" keyword specifying the numbering system by name. * * In this constructor, the NumberingSystem argument will be used even if the locale has its own * "numbers=xxxx" keyword. * * @param locale The locale to get symbols for. * @param ns The numbering system. * @param status Input/output parameter, set to success or * failure code upon return. * @stable ICU 60 */ DecimalFormatSymbols(const Locale& locale, const NumberingSystem& ns, UErrorCode& status); /** * Create a DecimalFormatSymbols object for the default locale. * This constructor will not fail. If the resource file data is * not available, it will use hard-coded last-resort data and * set status to U_USING_FALLBACK_ERROR. * * @param status Input/output parameter, set to success or * failure code upon return. * @stable ICU 2.0 */ DecimalFormatSymbols(UErrorCode& status); /** * Creates a DecimalFormatSymbols object with last-resort data. * Intended for callers who cache the symbols data and * set all symbols on the resulting object. * * The last-resort symbols are similar to those for the root data, * except that the grouping separators are empty, * the NaN symbol is U+FFFD rather than "NaN", * and the CurrencySpacing patterns are empty. * * @param status Input/output parameter, set to success or * failure code upon return. * @return last-resort symbols * @stable ICU 52 */ static DecimalFormatSymbols* createWithLastResortData(UErrorCode& status); /** * Copy constructor. * @stable ICU 2.0 */ DecimalFormatSymbols(const DecimalFormatSymbols&); /** * Assignment operator. * @stable ICU 2.0 */ DecimalFormatSymbols& operator=(const DecimalFormatSymbols&); /** * Destructor. * @stable ICU 2.0 */ virtual ~DecimalFormatSymbols(); /** * Return true if another object is semantically equal to this one. * * @param other the object to be compared with. * @return true if another object is semantically equal to this one. * @stable ICU 2.0 */ UBool operator==(const DecimalFormatSymbols& other) const; /** * Return true if another object is semantically unequal to this one. * * @param other the object to be compared with. * @return true if another object is semantically unequal to this one. * @stable ICU 2.0 */ UBool operator!=(const DecimalFormatSymbols& other) const { return !operator==(other); } /** * Get one of the format symbols by its enum constant. * Each symbol is stored as a string so that graphemes * (characters with modifier letters) can be used. * * @param symbol Constant to indicate a number format symbol. * @return the format symbols by the param 'symbol' * @stable ICU 2.0 */ inline UnicodeString getSymbol(ENumberFormatSymbol symbol) const; /** * Set one of the format symbols by its enum constant. * Each symbol is stored as a string so that graphemes * (characters with modifier letters) can be used. * * @param symbol Constant to indicate a number format symbol. * @param value value of the format symbol * @param propogateDigits If false, setting the zero digit will not automatically set 1-9. * The default behavior is to automatically set 1-9 if zero is being set and the value * it is being set to corresponds to a known Unicode zero digit. * @stable ICU 2.0 */ void setSymbol(ENumberFormatSymbol symbol, const UnicodeString &value, const UBool propogateDigits); /** * Returns the locale for which this object was constructed. * @stable ICU 2.6 */ inline Locale getLocale() const; /** * Returns the locale for this object. Two flavors are available: * valid and actual locale. * @stable ICU 2.8 */ Locale getLocale(ULocDataLocaleType type, UErrorCode& status) const; /** * Get pattern string for 'CurrencySpacing' that can be applied to * currency format. * This API gets the CurrencySpacing data from ResourceBundle. The pattern can * be empty if there is no data from current locale and its parent locales. * * @param type : UNUM_CURRENCY_MATCH, UNUM_CURRENCY_SURROUNDING_MATCH or UNUM_CURRENCY_INSERT. * @param beforeCurrency : true if the pattern is for before currency symbol. * false if the pattern is for after currency symbol. * @param status: Input/output parameter, set to success or * failure code upon return. * @return pattern string for currencyMatch, surroundingMatch or spaceInsert. * Return empty string if there is no data for this locale and its parent * locales. * @stable ICU 4.8 */ const UnicodeString& getPatternForCurrencySpacing(UCurrencySpacing type, UBool beforeCurrency, UErrorCode& status) const; /** * Set pattern string for 'CurrencySpacing' that can be applied to * currency format. * * @param type : UNUM_CURRENCY_MATCH, UNUM_CURRENCY_SURROUNDING_MATCH or UNUM_CURRENCY_INSERT. * @param beforeCurrency : true if the pattern is for before currency symbol. * false if the pattern is for after currency symbol. * @param pattern : pattern string to override current setting. * @stable ICU 4.8 */ void setPatternForCurrencySpacing(UCurrencySpacing type, UBool beforeCurrency, const UnicodeString& pattern); /** * ICU "poor man's RTTI", returns a UClassID for the actual class. * * @stable ICU 2.2 */ virtual UClassID getDynamicClassID() const; /** * ICU "poor man's RTTI", returns a UClassID for this class. * * @stable ICU 2.2 */ static UClassID U_EXPORT2 getStaticClassID(); private: DecimalFormatSymbols(); /** * Initializes the symbols from the LocaleElements resource bundle. * Note: The organization of LocaleElements badly needs to be * cleaned up. * * @param locale The locale to get symbols for. * @param success Input/output parameter, set to success or * failure code upon return. * @param useLastResortData determine if use last resort data * @param ns The NumberingSystem to use; otherwise, fall * back to the locale. */ void initialize(const Locale& locale, UErrorCode& success, UBool useLastResortData = FALSE, const NumberingSystem* ns = nullptr); /** * Initialize the symbols with default values. */ void initialize(); void setCurrencyForSymbols(); public: #ifndef U_HIDE_INTERNAL_API /** * @internal For ICU use only */ inline UBool isCustomCurrencySymbol() const { return fIsCustomCurrencySymbol; } /** * @internal For ICU use only */ inline UBool isCustomIntlCurrencySymbol() const { return fIsCustomIntlCurrencySymbol; } /** * @internal For ICU use only */ inline UChar32 getCodePointZero() const { return fCodePointZero; } #endif /* U_HIDE_INTERNAL_API */ /** * _Internal_ function - more efficient version of getSymbol, * returning a const reference to one of the symbol strings. * The returned reference becomes invalid when the symbol is changed * or when the DecimalFormatSymbols are destroyed. * Note: moved \#ifndef U_HIDE_INTERNAL_API after this, since this is needed for inline in DecimalFormat * * This is not currently stable API, but if you think it should be stable, * post a comment on the following ticket and the ICU team will take a look: * http://bugs.icu-project.org/trac/ticket/13580 * * @param symbol Constant to indicate a number format symbol. * @return the format symbol by the param 'symbol' * @internal */ inline const UnicodeString& getConstSymbol(ENumberFormatSymbol symbol) const; #ifndef U_HIDE_INTERNAL_API /** * Returns the const UnicodeString reference, like getConstSymbol, * corresponding to the digit with the given value. This is equivalent * to accessing the symbol from getConstSymbol with the corresponding * key, such as kZeroDigitSymbol or kOneDigitSymbol. * * This is not currently stable API, but if you think it should be stable, * post a comment on the following ticket and the ICU team will take a look: * http://bugs.icu-project.org/trac/ticket/13580 * * @param digit The digit, an integer between 0 and 9 inclusive. * If outside the range 0 to 9, the zero digit is returned. * @return the format symbol for the given digit. * @internal This API is currently for ICU use only. */ inline const UnicodeString& getConstDigitSymbol(int32_t digit) const; /** * Returns that pattern stored in currecy info. Internal API for use by NumberFormat API. * @internal */ inline const char16_t* getCurrencyPattern(void) const; #endif /* U_HIDE_INTERNAL_API */ private: /** * Private symbol strings. * They are either loaded from a resource bundle or otherwise owned. * setSymbol() clones the symbol string. * Readonly aliases can only come from a resource bundle, so that we can always * use fastCopyFrom() with them. * * If DecimalFormatSymbols becomes subclassable and the status of fSymbols changes * from private to protected, * or when fSymbols can be set any other way that allows them to be readonly aliases * to non-resource bundle strings, * then regular UnicodeString copies must be used instead of fastCopyFrom(). * */ UnicodeString fSymbols[kFormatSymbolCount]; /** * Non-symbol variable for getConstSymbol(). Always empty. */ UnicodeString fNoSymbol; /** * Dealing with code points is faster than dealing with strings when formatting. Because of * this, we maintain a value containing the zero code point that is used whenever digitStrings * represents a sequence of ten code points in order. * * <p>If the value stored here is positive, it means that the code point stored in this value * corresponds to the digitStrings array, and codePointZero can be used instead of the * digitStrings array for the purposes of efficient formatting; if -1, then digitStrings does * *not* contain a sequence of code points, and it must be used directly. * * <p>It is assumed that codePointZero always shadows the value in digitStrings. codePointZero * should never be set directly; rather, it should be updated only when digitStrings mutates. * That is, the flow of information is digitStrings -> codePointZero, not the other way. */ UChar32 fCodePointZero; Locale locale; char actualLocale[ULOC_FULLNAME_CAPACITY]; char validLocale[ULOC_FULLNAME_CAPACITY]; const char16_t* currPattern; UnicodeString currencySpcBeforeSym[UNUM_CURRENCY_SPACING_COUNT]; UnicodeString currencySpcAfterSym[UNUM_CURRENCY_SPACING_COUNT]; UBool fIsCustomCurrencySymbol; UBool fIsCustomIntlCurrencySymbol; }; // ------------------------------------- inline UnicodeString DecimalFormatSymbols::getSymbol(ENumberFormatSymbol symbol) const { const UnicodeString *strPtr; if(symbol < kFormatSymbolCount) { strPtr = &fSymbols[symbol]; } else { strPtr = &fNoSymbol; } return *strPtr; } // See comments above for this function. Not hidden with #ifdef U_HIDE_INTERNAL_API inline const UnicodeString & DecimalFormatSymbols::getConstSymbol(ENumberFormatSymbol symbol) const { const UnicodeString *strPtr; if(symbol < kFormatSymbolCount) { strPtr = &fSymbols[symbol]; } else { strPtr = &fNoSymbol; } return *strPtr; } #ifndef U_HIDE_INTERNAL_API inline const UnicodeString& DecimalFormatSymbols::getConstDigitSymbol(int32_t digit) const { if (digit < 0 || digit > 9) { digit = 0; } if (digit == 0) { return fSymbols[kZeroDigitSymbol]; } ENumberFormatSymbol key = static_cast<ENumberFormatSymbol>(kOneDigitSymbol + digit - 1); return fSymbols[key]; } #endif /* U_HIDE_INTERNAL_API */ // ------------------------------------- inline void DecimalFormatSymbols::setSymbol(ENumberFormatSymbol symbol, const UnicodeString &value, const UBool propogateDigits = TRUE) { if (symbol == kCurrencySymbol) { fIsCustomCurrencySymbol = TRUE; } else if (symbol == kIntlCurrencySymbol) { fIsCustomIntlCurrencySymbol = TRUE; } if(symbol<kFormatSymbolCount) { fSymbols[symbol]=value; } // If the zero digit is being set to a known zero digit according to Unicode, // then we automatically set the corresponding 1-9 digits // Also record updates to fCodePointZero. Be conservative if in doubt. if (symbol == kZeroDigitSymbol) { UChar32 sym = value.char32At(0); if ( propogateDigits && u_charDigitValue(sym) == 0 && value.countChar32() == 1 ) { fCodePointZero = sym; for ( int8_t i = 1 ; i<= 9 ; i++ ) { sym++; fSymbols[(int)kOneDigitSymbol+i-1] = UnicodeString(sym); } } else { fCodePointZero = -1; } } else if (symbol >= kOneDigitSymbol && symbol <= kNineDigitSymbol) { fCodePointZero = -1; } } // ------------------------------------- inline Locale DecimalFormatSymbols::getLocale() const { return locale; } #ifndef U_HIDE_INTERNAL_API inline const char16_t* DecimalFormatSymbols::getCurrencyPattern() const { return currPattern; } #endif /* U_HIDE_INTERNAL_API */ U_NAMESPACE_END #endif /* #if !UCONFIG_NO_FORMATTING */ #endif /* U_SHOW_CPLUSPLUS_API */ #endif // _DCFMTSYM //eof
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