currpinf.h

Go to the documentation of this file.

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
 *******************************************************************************
 * Copyright (C) 2009-2015, International Business Machines Corporation and    *
 * others. All Rights Reserved.                                                *
 *******************************************************************************
 */
#ifndef CURRPINF_H
#define CURRPINF_H

#include "unicode/utypes.h"

#if U_SHOW_CPLUSPLUS_API

#if !UCONFIG_NO_FORMATTING

#include "unicode/unistr.h"

U_NAMESPACE_BEGIN

class Locale;
class PluralRules;
class Hashtable;

class  U_I18N_API CurrencyPluralInfo : public UObject {
public:

    CurrencyPluralInfo(UErrorCode& status);

    CurrencyPluralInfo(const Locale& locale, UErrorCode& status); 

    CurrencyPluralInfo(const CurrencyPluralInfo& info);


    CurrencyPluralInfo& operator=(const CurrencyPluralInfo& info);


    virtual ~CurrencyPluralInfo();


    UBool operator==(const CurrencyPluralInfo& info) const;


    UBool operator!=(const CurrencyPluralInfo& info) const;


    CurrencyPluralInfo* clone() const;


    const PluralRules* getPluralRules() const;

    UnicodeString& getCurrencyPluralPattern(const UnicodeString& pluralCount,
                                            UnicodeString& result) const; 

    const Locale& getLocale() const;

    void setPluralRules(const UnicodeString& ruleDescription,
                        UErrorCode& status);

    void setCurrencyPluralPattern(const UnicodeString& pluralCount, 
                                  const UnicodeString& pattern,
                                  UErrorCode& status);

    void setLocale(const Locale& loc, UErrorCode& status);

    virtual UClassID getDynamicClassID() const;

    static UClassID U_EXPORT2 getStaticClassID();

private:
    friend class DecimalFormat;
    friend class DecimalFormatImpl;

    void initialize(const Locale& loc, UErrorCode& status);
   
    void setupCurrencyPluralPattern(const Locale& loc, UErrorCode& status);

    /*
     * delete hash table
     *
     * @param hTable  hash table to be deleted
     */
    void deleteHash(Hashtable* hTable);


    /*
     * initialize hash table
     *
     * @param status   output param set to success/failure code on exit
     * @return         hash table initialized
     */
    Hashtable* initHash(UErrorCode& status);



    void copyHash(const Hashtable* source, Hashtable* target, UErrorCode& status);

    //-------------------- private data member ---------------------
    // map from plural count to currency plural pattern, for example
    // a plural pattern defined in "CurrencyUnitPatterns" is
    // "one{{0} {1}}", in which "one" is a plural count
    // and "{0} {1}" is a currency plural pattern".
    // The currency plural pattern saved in this mapping is the pattern
    // defined in "CurrencyUnitPattern" by replacing
    // {0} with the number format pattern,
    // and {1} with 3 currency sign.
    Hashtable* fPluralCountToCurrencyUnitPattern;

    /*
     * The plural rule is used to format currency plural name,
     * for example: "3.00 US Dollars".
     * If there are 3 currency signs in the currency pattern,
     * the 3 currency signs will be replaced by currency plural name.
     */
    PluralRules* fPluralRules;

    // locale
    Locale* fLocale;

private:
    UErrorCode fInternalStatus;
};


inline UBool
CurrencyPluralInfo::operator!=(const CurrencyPluralInfo& info) const {
    return !operator==(info);
}  

U_NAMESPACE_END

#endif /* #if !UCONFIG_NO_FORMATTING */

#endif /* U_SHOW_CPLUSPLUS_API */

#endif // _CURRPINFO
//eof