ICU 4.2.1
 All Data Structures Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
plurrule.h
Go to the documentation of this file.
1 /*
2 *******************************************************************************
3 * Copyright (C) 2008-2009, 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 
31 
32 class Hashtable;
33 class RuleChain;
34 class RuleParser;
35 
105 public:
106 
114  PluralRules(UErrorCode& status);
115 
120  PluralRules(const PluralRules& other);
121 
126  virtual ~PluralRules();
127 
132  PluralRules* clone() const;
133 
138  PluralRules& operator=(const PluralRules&);
139 
150  static PluralRules* U_EXPORT2 createRules(const UnicodeString& description,
151  UErrorCode& status);
152 
161  static PluralRules* U_EXPORT2 createDefaultRules(UErrorCode& status);
162 
178  static PluralRules* U_EXPORT2 forLocale(const Locale& locale, UErrorCode& status);
179 
189  UnicodeString select(int32_t number) const;
190 
200  UnicodeString select(double number) const;
201 
212  StringEnumeration* getKeywords(UErrorCode& status) const;
213 
223  UBool isKeyword(const UnicodeString& keyword) const;
224 
225 
233  UnicodeString getKeywordOther() const;
234 
243  virtual UBool operator==(const PluralRules& other) const;
244 
253  UBool operator!=(const PluralRules& other) const {return !operator==(other);}
254 
255 
262  static UClassID U_EXPORT2 getStaticClassID(void);
263 
269  virtual UClassID getDynamicClassID() const;
270 
271 
272 private:
273  Hashtable *fLocaleStringsHash;
274  UnicodeString mLocaleName;
275  RuleChain *mRules;
276  RuleParser *mParser;
277 
278  PluralRules(); // default constructor not implemented
279  int32_t getRepeatLimit() const;
280  void parseDescription(UnicodeString& ruleData, RuleChain& rules, UErrorCode &status);
281  void getNextLocale(const UnicodeString& localeData, int32_t* curIndex, UnicodeString& localeName);
282  void addRules(RuleChain& rules);
283  int32_t getNumberValue(const UnicodeString& token) const;
284  UnicodeString getRuleFromResource(const Locale& locale, UErrorCode& status);
285 
286 };
287 
289 
290 #endif /* #if !UCONFIG_NO_FORMATTING */
291 
292 #endif // _PLURRULE
293 //eof
C++ API: Base class for all formats.
#define U_I18N_API
Set to export library symbols from inside the i18n library, and to import them from outside...
Definition: utypes.h:475
#define U_NAMESPACE_BEGIN
This is used to begin a declaration of a public ICU C++ API.
Definition: uversion.h:183
UBool operator!=(const PluralRules &other) const
Compares the inequality of two PluralRules objects.
Definition: plurrule.h:253
UnicodeString is a string class that stores Unicode characters directly and provides similar function...
Definition: unistr.h:187
#define U_EXPORT2
Definition: platform.h:338
#define U_NAMESPACE_END
This is used to end a declaration of a public ICU C++ API If the compiler doesn't support namespaces...
Definition: uversion.h:184
UObject is the common ICU "boilerplate" class.
Definition: uobject.h:212
void * UClassID
UClassID is used to identify classes without using RTTI, since RTTI is not yet supported by all C++ c...
Definition: utypes.h:339
UErrorCode
Error code to replace exception handling, so that the code is compatible with all C++ compilers...
Definition: utypes.h:593
Base class for 'pure' C++ implementations of uenum api.
Definition: strenum.h:55
Defines rules for mapping positive long values onto a small set of keywords.
Definition: plurrule.h:104
Basic definitions for ICU, for both C and C++ APIs.
A Locale object represents a specific geographical, political, or cultural region.
Definition: locid.h:181
virtual UClassID getDynamicClassID() const =0
ICU4C "poor man's RTTI", returns a UClassID for the actual ICU class.
signed int int32_t
Define 64 bit limits.
Definition: pwin32.h:143
int8_t UBool
The ICU boolean type.
Definition: umachine.h:208