1 /* 2 ******************************************************************************* 3 * Copyright (C) 2013-2014, International Business Machines 4 * Corporation and others. All Rights Reserved. 5 ******************************************************************************* 6 * collationtailoring.h 7 * 8 * created on: 2013mar12 9 * created by: Markus W. Scherer 10 */ 11 12 #ifndef __COLLATIONTAILORING_H__ 13 #define __COLLATIONTAILORING_H__ 14 15 #include "unicode/utypes.h" 16 17 #if !UCONFIG_NO_COLLATION 18 19 #include "unicode/locid.h" 20 #include "unicode/unistr.h" 21 #include "unicode/uversion.h" 22 #include "collationsettings.h" 23 #include "uhash.h" 24 #include "umutex.h" 25 26 struct UDataMemory; 27 struct UResourceBundle; 28 struct UTrie2; 29 30 U_NAMESPACE_BEGIN 31 32 struct CollationData; 33 34 class UnicodeSet; 35 36 /** 37 * Collation tailoring data & settings. 38 * This is a container of values for a collation tailoring 39 * built from rules or deserialized from binary data. 40 * 41 * It is logically immutable: Do not modify its values. 42 * The fields are public for convenience. 43 * 44 * It is shared, reference-counted, and auto-deleted; see SharedObject. 45 */ 46 struct U_I18N_API CollationTailoring : public SharedObject { 47 CollationTailoring(const CollationSettings *baseSettings); 48 virtual ~CollationTailoring(); 49 50 /** 51 * Returns TRUE if the constructor could not initialize properly. 52 */ isBogusCollationTailoring53 UBool isBogus() { return settings == NULL; } 54 55 UBool ensureOwnedData(UErrorCode &errorCode); 56 57 static void makeBaseVersion(const UVersionInfo ucaVersion, UVersionInfo version); 58 void setVersion(const UVersionInfo baseVersion, const UVersionInfo rulesVersion); 59 int32_t getUCAVersion() const; 60 61 // data for sorting etc. 62 const CollationData *data; // == base data or ownedData 63 const CollationSettings *settings; // reference-counted 64 UnicodeString rules; 65 // The locale is bogus when built from rules or constructed from a binary blob. 66 // It can then be set by the service registration code which is thread-safe. 67 mutable Locale actualLocale; 68 // UCA version u.v.w & rules version r.s.t.q: 69 // version[0]: builder version (runtime version is mixed in at runtime) 70 // version[1]: bits 7..3=u, bits 2..0=v 71 // version[2]: bits 7..6=w, bits 5..0=r 72 // version[3]= (s<<5)+(s>>3)+t+(q<<4)+(q>>4) 73 UVersionInfo version; 74 75 // owned objects 76 CollationData *ownedData; 77 UObject *builder; 78 UDataMemory *memory; 79 UResourceBundle *bundle; 80 UTrie2 *trie; 81 UnicodeSet *unsafeBackwardSet; 82 mutable UHashtable *maxExpansions; 83 mutable UInitOnce maxExpansionsInitOnce; 84 85 private: 86 /** 87 * No copy constructor: A CollationTailoring cannot be copied. 88 * It is immutable, and the data trie cannot be copied either. 89 */ 90 CollationTailoring(const CollationTailoring &other); 91 }; 92 93 struct CollationCacheEntry : public SharedObject { CollationCacheEntryCollationCacheEntry94 CollationCacheEntry(const Locale &loc, const CollationTailoring *t) 95 : validLocale(loc), tailoring(t) { 96 if(t != NULL) { 97 t->addRef(); 98 } 99 } 100 ~CollationCacheEntry(); 101 102 Locale validLocale; 103 const CollationTailoring *tailoring; 104 }; 105 106 U_NAMESPACE_END 107 108 #endif // !UCONFIG_NO_COLLATION 109 #endif // __COLLATIONTAILORING_H__ 110