ICU 51.2  51.2
plurrule.h
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1 /*
2 *******************************************************************************
3 * Copyright (C) 2008-2013, International Business Machines Corporation and
4 * others. All Rights Reserved.
5 *******************************************************************************
6 *
7 *
8 * File PLURRULE.H
9 *
10 * Modification History:*
11 * Date Name Description
12 *
13 ********************************************************************************
14 */
15 
16 #ifndef PLURRULE
17 #define PLURRULE
18 
19 #include "unicode/utypes.h"
20 
26 #if !UCONFIG_NO_FORMATTING
27 
28 #include "unicode/format.h"
29 #include "unicode/upluralrules.h"
30 
36 #define UPLRULES_NO_UNIQUE_VALUE ((double)-0.00123456777)
37 
39 
40 class Hashtable;
41 class RuleChain;
42 class RuleParser;
43 class PluralKeywordEnumeration;
44 
128 public:
129 
137  PluralRules(UErrorCode& status);
138 
143  PluralRules(const PluralRules& other);
144 
149  virtual ~PluralRules();
150 
155  PluralRules* clone() const;
156 
161  PluralRules& operator=(const PluralRules&);
162 
173  static PluralRules* U_EXPORT2 createRules(const UnicodeString& description,
174  UErrorCode& status);
175 
184  static PluralRules* U_EXPORT2 createDefaultRules(UErrorCode& status);
185 
202  static PluralRules* U_EXPORT2 forLocale(const Locale& locale, UErrorCode& status);
203 
204 #ifndef U_HIDE_DRAFT_API
205 
221  static PluralRules* U_EXPORT2 forLocale(const Locale& locale, UPluralType type, UErrorCode& status);
222 #endif /* U_HIDE_DRAFT_API */
223 
233  UnicodeString select(int32_t number) const;
234 
244  UnicodeString select(double number) const;
245 
256  StringEnumeration* getKeywords(UErrorCode& status) const;
257 
268  double getUniqueKeywordValue(const UnicodeString& keyword);
269 
288  int32_t getAllKeywordValues(const UnicodeString &keyword,
289  double *dest, int32_t destCapacity,
290  UErrorCode& status);
291 
310  int32_t getSamples(const UnicodeString &keyword,
311  double *dest, int32_t destCapacity,
312  UErrorCode& status);
313 
323  UBool isKeyword(const UnicodeString& keyword) const;
324 
325 
332  UnicodeString getKeywordOther() const;
333 
342  virtual UBool operator==(const PluralRules& other) const;
343 
352  UBool operator!=(const PluralRules& other) const {return !operator==(other);}
353 
354 
361  static UClassID U_EXPORT2 getStaticClassID(void);
362 
368  virtual UClassID getDynamicClassID() const;
369 
370 
371 private:
372  RuleChain *mRules;
373  RuleParser *mParser;
374  double *mSamples;
375  int32_t *mSampleInfo;
376  int32_t mSampleInfoCount;
377 
378  PluralRules(); // default constructor not implemented
379  int32_t getRepeatLimit() const;
380  void parseDescription(UnicodeString& ruleData, RuleChain& rules, UErrorCode &status);
381  void getNextLocale(const UnicodeString& localeData, int32_t* curIndex, UnicodeString& localeName);
382  void addRules(RuleChain& rules);
383  int32_t getNumberValue(const UnicodeString& token) const;
384  UnicodeString getRuleFromResource(const Locale& locale, UPluralType type, UErrorCode& status);
385 
386  static const int32_t MAX_SAMPLES = 3;
387 
388  int32_t getSamplesInternal(const UnicodeString &keyword, double *dest,
389  int32_t destCapacity, UBool includeUnlimited,
390  UErrorCode& status);
391  int32_t getKeywordIndex(const UnicodeString& keyword,
392  UErrorCode& status) const;
393  void initSamples(UErrorCode& status);
394 
395 };
396 
398 
399 #endif /* #if !UCONFIG_NO_FORMATTING */
400 
401 #endif // _PLURRULE
402 //eof