1// Copyright (C) 2016 and later: Unicode, Inc. and others. 2// License & terms of use: http://www.unicode.org/copyright.html 3/* 4******************************************************************************* 5* Copyright (C) 2013-2014, International Business Machines 6* Corporation and others. All Rights Reserved. 7******************************************************************************* 8* collationtailoring.h 9* 10* created on: 2013mar12 11* created by: Markus W. Scherer 12*/ 13 14#ifndef __COLLATIONTAILORING_H__ 15#define __COLLATIONTAILORING_H__ 16 17#include "unicode/utypes.h" 18 19#if !UCONFIG_NO_COLLATION 20 21#include "unicode/locid.h" 22#include "unicode/unistr.h" 23#include "unicode/uversion.h" 24#include "collationsettings.h" 25#include "uhash.h" 26#include "umutex.h" 27 28struct UDataMemory; 29struct UResourceBundle; 30struct UTrie2; 31 32U_NAMESPACE_BEGIN 33 34struct CollationData; 35 36class UnicodeSet; 37 38/** 39 * Collation tailoring data & settings. 40 * This is a container of values for a collation tailoring 41 * built from rules or deserialized from binary data. 42 * 43 * It is logically immutable: Do not modify its values. 44 * The fields are public for convenience. 45 * 46 * It is shared, reference-counted, and auto-deleted; see SharedObject. 47 */ 48struct U_I18N_API CollationTailoring : public SharedObject { 49 CollationTailoring(const CollationSettings *baseSettings); 50 virtual ~CollationTailoring(); 51 52 /** 53 * Returns TRUE if the constructor could not initialize properly. 54 */ 55 UBool isBogus() { return settings == NULL; } 56 57 UBool ensureOwnedData(UErrorCode &errorCode); 58 59 static void makeBaseVersion(const UVersionInfo ucaVersion, UVersionInfo version); 60 void setVersion(const UVersionInfo baseVersion, const UVersionInfo rulesVersion); 61 int32_t getUCAVersion() const; 62 63 // data for sorting etc. 64 const CollationData *data; // == base data or ownedData 65 const CollationSettings *settings; // reference-counted 66 UnicodeString rules; 67 // The locale is bogus when built from rules or constructed from a binary blob. 68 // It can then be set by the service registration code which is thread-safe. 69 mutable Locale actualLocale; 70 // UCA version u.v.w & rules version r.s.t.q: 71 // version[0]: builder version (runtime version is mixed in at runtime) 72 // version[1]: bits 7..3=u, bits 2..0=v 73 // version[2]: bits 7..6=w, bits 5..0=r 74 // version[3]= (s<<5)+(s>>3)+t+(q<<4)+(q>>4) 75 UVersionInfo version; 76 77 // owned objects 78 CollationData *ownedData; 79 UObject *builder; 80 UDataMemory *memory; 81 UResourceBundle *bundle; 82 UTrie2 *trie; 83 UnicodeSet *unsafeBackwardSet; 84 mutable UHashtable *maxExpansions; 85 mutable UInitOnce maxExpansionsInitOnce; 86 87private: 88 /** 89 * No copy constructor: A CollationTailoring cannot be copied. 90 * It is immutable, and the data trie cannot be copied either. 91 */ 92 CollationTailoring(const CollationTailoring &other); 93}; 94 95struct CollationCacheEntry : public SharedObject { 96 CollationCacheEntry(const Locale &loc, const CollationTailoring *t) 97 : validLocale(loc), tailoring(t) { 98 if(t != NULL) { 99 t->addRef(); 100 } 101 } 102 ~CollationCacheEntry(); 103 104 Locale validLocale; 105 const CollationTailoring *tailoring; 106}; 107 108U_NAMESPACE_END 109 110#endif // !UCONFIG_NO_COLLATION 111#endif // __COLLATIONTAILORING_H__ 112