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currpinf.h
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1 /*
2  *******************************************************************************
3  * Copyright (C) 2009-2011, International Business Machines Corporation and *
4  * others. All Rights Reserved. *
5  *******************************************************************************
6  */
7 #ifndef CURRPINF_H
8 #define CURRPINF_H
9 
10 #include "unicode/utypes.h"
11 
17 #if !UCONFIG_NO_FORMATTING
18 
19 #include "unicode/unistr.h"
20 
21 union UHashTok;
22 
24 
25 class Locale;
26 class PluralRules;
27 class Hashtable;
28 
47 public:
48 
55 
62  CurrencyPluralInfo(const Locale& locale, UErrorCode& status);
63 
70 
71 
77  CurrencyPluralInfo& operator=(const CurrencyPluralInfo& info);
78 
79 
85  virtual ~CurrencyPluralInfo();
86 
87 
93  UBool operator==(const CurrencyPluralInfo& info) const;
94 
95 
101  UBool operator!=(const CurrencyPluralInfo& info) const;
102 
103 
109  CurrencyPluralInfo* clone() const;
110 
111 
118  const PluralRules* getPluralRules() const;
119 
129  UnicodeString& getCurrencyPluralPattern(const UnicodeString& pluralCount,
130  UnicodeString& result) const;
131 
138  const Locale& getLocale() const;
139 
151  void setPluralRules(const UnicodeString& ruleDescription,
152  UErrorCode& status);
153 
167  void setCurrencyPluralPattern(const UnicodeString& pluralCount,
168  const UnicodeString& pattern,
169  UErrorCode& status);
170 
178  void setLocale(const Locale& loc, UErrorCode& status);
179 
185  virtual UClassID getDynamicClassID() const;
186 
192  static UClassID U_EXPORT2 getStaticClassID();
193 
194 private:
195  friend class DecimalFormat;
196 
197  void initialize(const Locale& loc, UErrorCode& status);
198 
199  void setupCurrencyPluralPattern(const Locale& loc, UErrorCode& status);
200 
201  /*
202  * delete hash table
203  *
204  * @param hTable hash table to be deleted
205  */
206  void deleteHash(Hashtable* hTable);
207 
208 
209  /*
210  * initialize hash table
211  *
212  * @param status output param set to success/failure code on exit
213  * @return hash table initialized
214  */
215  Hashtable* initHash(UErrorCode& status);
216 
217 
218 
226  void copyHash(const Hashtable* source, Hashtable* target, UErrorCode& status);
227 
228  //-------------------- private data member ---------------------
229  // map from plural count to currency plural pattern, for example
230  // a plural pattern defined in "CurrencyUnitPatterns" is
231  // "one{{0} {1}}", in which "one" is a plural count
232  // and "{0} {1}" is a currency plural pattern".
233  // The currency plural pattern saved in this mapping is the pattern
234  // defined in "CurrencyUnitPattern" by replacing
235  // {0} with the number format pattern,
236  // and {1} with 3 currency sign.
237  Hashtable* fPluralCountToCurrencyUnitPattern;
238 
239  /*
240  * The plural rule is used to format currency plural name,
241  * for example: "3.00 US Dollars".
242  * If there are 3 currency signs in the currency patttern,
243  * the 3 currency signs will be replaced by currency plural name.
244  */
245  PluralRules* fPluralRules;
246 
247  // locale
248  Locale* fLocale;
249 };
250 
251 
252 inline UBool
253 CurrencyPluralInfo::operator!=(const CurrencyPluralInfo& info) const { return !operator==(info); }
254 
256 
257 #endif /* #if !UCONFIG_NO_FORMATTING */
258 
259 #endif // _CURRPINFO
260 //eof