DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Mercurial (d38398e5144e)

VCS Links

CurrencyPluralInfo

Macros

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261
// Copyright (C) 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"

/**
 * \file
 * \brief C++ API: Currency Plural Information used by Decimal Format
 */

#if !UCONFIG_NO_FORMATTING

#include "unicode/unistr.h"

U_NAMESPACE_BEGIN

class Locale;
class PluralRules;
class Hashtable;

/**
 * This class represents the information needed by 
 * DecimalFormat to format currency plural, 
 * such as "3.00 US dollars" or "1.00 US dollar". 
 * DecimalFormat creates for itself an instance of
 * CurrencyPluralInfo from its locale data.  
 * If you need to change any of these symbols, you can get the
 * CurrencyPluralInfo object from your 
 * DecimalFormat and modify it.
 *
 * Following are the information needed for currency plural format and parse:
 * locale information,
 * plural rule of the locale,
 * currency plural pattern of the locale.
 *
 * @stable ICU 4.2
 */
class  U_I18N_API CurrencyPluralInfo : public UObject {
public:

    /**
     * Create a CurrencyPluralInfo object for the default locale.
     * @param status output param set to success/failure code on exit
     * @stable ICU 4.2
     */
    CurrencyPluralInfo(UErrorCode& status);

    /**
     * Create a CurrencyPluralInfo object for the given locale.
     * @param locale the locale
     * @param status output param set to success/failure code on exit
     * @stable ICU 4.2
     */
    CurrencyPluralInfo(const Locale& locale, UErrorCode& status); 

    /**
     * Copy constructor
     *
     * @stable ICU 4.2
     */
    CurrencyPluralInfo(const CurrencyPluralInfo& info);


    /**
     * Assignment operator
     *
     * @stable ICU 4.2
     */
    CurrencyPluralInfo& operator=(const CurrencyPluralInfo& info);


    /**
     * Destructor
     *
     * @stable ICU 4.2
     */
    virtual ~CurrencyPluralInfo();


    /**
     * Equal operator.
     *
     * @stable ICU 4.2
     */
    UBool operator==(const CurrencyPluralInfo& info) const;


    /**
     * Not equal operator
     *
     * @stable ICU 4.2
     */
    UBool operator!=(const CurrencyPluralInfo& info) const;


    /**
     * Clone
     *
     * @stable ICU 4.2
     */
    CurrencyPluralInfo* clone() const;


    /**
     * Gets plural rules of this locale, used for currency plural format
     *
     * @return plural rule
     * @stable ICU 4.2
     */
    const PluralRules* getPluralRules() const;

    /**
     * Given a plural count, gets currency plural pattern of this locale, 
     * used for currency plural format
     *
     * @param  pluralCount currency plural count
     * @param  result      output param to receive the pattern
     * @return a currency plural pattern based on plural count
     * @stable ICU 4.2
     */
    UnicodeString& getCurrencyPluralPattern(const UnicodeString& pluralCount,
                                            UnicodeString& result) const; 

    /**
     * Get locale 
     *
     * @return locale
     * @stable ICU 4.2
     */
    const Locale& getLocale() const;

    /**
     * Set plural rules.
     * The plural rule is set when CurrencyPluralInfo
     * instance is created.
     * You can call this method to reset plural rules only if you want
     * to modify the default plural rule of the locale.
     *
     * @param ruleDescription new plural rule description
     * @param status output param set to success/failure code on exit
     * @stable ICU 4.2
     */
    void setPluralRules(const UnicodeString& ruleDescription,
                        UErrorCode& status);

    /**
     * Set currency plural pattern.
     * The currency plural pattern is set when CurrencyPluralInfo
     * instance is created.
     * You can call this method to reset currency plural pattern only if 
     * you want to modify the default currency plural pattern of the locale.
     *
     * @param pluralCount the plural count for which the currency pattern will 
     *                    be overridden.
     * @param pattern     the new currency plural pattern
     * @param status      output param set to success/failure code on exit
     * @stable ICU 4.2
     */
    void setCurrencyPluralPattern(const UnicodeString& pluralCount, 
                                  const UnicodeString& pattern,
                                  UErrorCode& status);

    /**
     * Set locale
     *
     * @param loc     the new locale to set
     * @param status  output param set to success/failure code on exit
     * @stable ICU 4.2
     */
    void setLocale(const Locale& loc, UErrorCode& status);

    /**
     * ICU "poor man's RTTI", returns a UClassID for the actual class.
     *
     * @stable ICU 4.2
     */
    virtual UClassID getDynamicClassID() const;

    /**
     * ICU "poor man's RTTI", returns a UClassID for this class.
     *
     * @stable ICU 4.2
     */
    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);



    /**
     * copy hash table
     *
     * @param source   the source to copy from
     * @param target   the target to copy to
     * @param status   error code
     */
    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 patttern,
     * the 3 currency signs will be replaced by currency plural name.
     */
    PluralRules* fPluralRules;

    // locale
    Locale* fLocale;
};


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

U_NAMESPACE_END

#endif /* #if !UCONFIG_NO_FORMATTING */

#endif // _CURRPINFO
//eof