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plurrule.h
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1 /*
2 *******************************************************************************
3 * Copyright (C) 2008-2015, 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 FixedDecimal;
42 class RuleChain;
43 class PluralRuleParser;
44 class PluralKeywordEnumeration;
45 class AndConstraint;
46 class SharedPluralRules;
47 
192 public:
193 
201  PluralRules(UErrorCode& status);
202 
207  PluralRules(const PluralRules& other);
208 
213  virtual ~PluralRules();
214 
219  PluralRules* clone() const;
220 
225  PluralRules& operator=(const PluralRules&);
226 
237  static PluralRules* U_EXPORT2 createRules(const UnicodeString& description,
238  UErrorCode& status);
239 
248  static PluralRules* U_EXPORT2 createDefaultRules(UErrorCode& status);
249 
266  static PluralRules* U_EXPORT2 forLocale(const Locale& locale, UErrorCode& status);
267 
284  static PluralRules* U_EXPORT2 forLocale(const Locale& locale, UPluralType type, UErrorCode& status);
285 
286 #ifndef U_HIDE_INTERNAL_API
287 
292  static StringEnumeration* U_EXPORT2 getAvailableLocales(UErrorCode &status);
293 
300  static UBool hasOverride(const Locale &locale);
301 
307  static PluralRules* U_EXPORT2 internalForLocale(const Locale& locale, UPluralType type, UErrorCode& status);
308 
316  static const SharedPluralRules* U_EXPORT2 createSharedInstance(
317  const Locale& locale, UPluralType type, UErrorCode& status);
318 
319 
320 #endif /* U_HIDE_INTERNAL_API */
321 
331  UnicodeString select(int32_t number) const;
332 
342  UnicodeString select(double number) const;
343 
344 #ifndef U_HIDE_INTERNAL_API
345 
348  UnicodeString select(const FixedDecimal &number) const;
349 #endif /* U_HIDE_INTERNAL_API */
350 
361  StringEnumeration* getKeywords(UErrorCode& status) const;
362 
363 #ifndef U_HIDE_DEPRECATED_API
364 
374  double getUniqueKeywordValue(const UnicodeString& keyword);
375 
396  int32_t getAllKeywordValues(const UnicodeString &keyword,
397  double *dest, int32_t destCapacity,
398  UErrorCode& status);
399 #endif /* U_HIDE_DEPRECATED_API */
400 
419  int32_t getSamples(const UnicodeString &keyword,
420  double *dest, int32_t destCapacity,
421  UErrorCode& status);
422 
432  UBool isKeyword(const UnicodeString& keyword) const;
433 
434 
441  UnicodeString getKeywordOther() const;
442 
443 #ifndef U_HIDE_INTERNAL_API
444 
448  UnicodeString getRules() const;
449 #endif /* U_HIDE_INTERNAL_API */
450 
459  virtual UBool operator==(const PluralRules& other) const;
460 
469  UBool operator!=(const PluralRules& other) const {return !operator==(other);}
470 
471 
478  static UClassID U_EXPORT2 getStaticClassID(void);
479 
485  virtual UClassID getDynamicClassID() const;
486 
487 
488 private:
489  RuleChain *mRules;
490 
491  PluralRules(); // default constructor not implemented
492  void parseDescription(const UnicodeString& ruleData, UErrorCode &status);
493  int32_t getNumberValue(const UnicodeString& token) const;
494  UnicodeString getRuleFromResource(const Locale& locale, UPluralType type, UErrorCode& status);
495  RuleChain *rulesForKeyword(const UnicodeString &keyword) const;
496 
497  friend class PluralRuleParser;
498 };
499 
501 
502 #endif /* #if !UCONFIG_NO_FORMATTING */
503 
504 #endif // _PLURRULE
505 //eof