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) 2013-2015, International Business Machines 6* Corporation and others. All Rights Reserved. 7******************************************************************************* 8* collationtailoring.cpp 9* 10* created on: 2013mar12 11* created by: Markus W. Scherer 12*/ 13 14#include "unicode/utypes.h" 15 16#if !UCONFIG_NO_COLLATION 17 18#include "unicode/udata.h" 19#include "unicode/unistr.h" 20#include "unicode/ures.h" 21#include "unicode/uversion.h" 22#include "unicode/uvernum.h" 23#include "cmemory.h" 24#include "collationdata.h" 25#include "collationsettings.h" 26#include "collationtailoring.h" 27#include "normalizer2impl.h" 28#include "uassert.h" 29#include "uhash.h" 30#include "umutex.h" 31#include "utrie2.h" 32 33U_NAMESPACE_BEGIN 34 35CollationTailoring::CollationTailoring(const CollationSettings *baseSettings) 36 : data(NULL), settings(baseSettings), 37 actualLocale(""), 38 ownedData(NULL), 39 builder(NULL), memory(NULL), bundle(NULL), 40 trie(NULL), unsafeBackwardSet(NULL), 41 maxExpansions(NULL) { 42 if(baseSettings != NULL) { 43 U_ASSERT(baseSettings->reorderCodesLength == 0); 44 U_ASSERT(baseSettings->reorderTable == NULL); 45 U_ASSERT(baseSettings->minHighNoReorder == 0); 46 } else { 47 settings = new CollationSettings(); 48 } 49 if(settings != NULL) { 50 settings->addRef(); 51 } 52 rules.getTerminatedBuffer(); // ensure NUL-termination 53 version[0] = version[1] = version[2] = version[3] = 0; 54 maxExpansionsInitOnce.reset(); 55} 56 57CollationTailoring::~CollationTailoring() { 58 SharedObject::clearPtr(settings); 59 delete ownedData; 60 delete builder; 61 udata_close(memory); 62 ures_close(bundle); 63 utrie2_close(trie); 64 delete unsafeBackwardSet; 65 uhash_close(maxExpansions); 66 maxExpansionsInitOnce.reset(); 67} 68 69UBool 70CollationTailoring::ensureOwnedData(UErrorCode &errorCode) { 71 if(U_FAILURE(errorCode)) { return FALSE; } 72 if(ownedData == NULL) { 73 const Normalizer2Impl *nfcImpl = Normalizer2Factory::getNFCImpl(errorCode); 74 if(U_FAILURE(errorCode)) { return FALSE; } 75 ownedData = new CollationData(*nfcImpl); 76 if(ownedData == NULL) { 77 errorCode = U_MEMORY_ALLOCATION_ERROR; 78 return FALSE; 79 } 80 } 81 data = ownedData; 82 return TRUE; 83} 84 85void 86CollationTailoring::makeBaseVersion(const UVersionInfo ucaVersion, UVersionInfo version) { 87 version[0] = UCOL_BUILDER_VERSION; 88 version[1] = (ucaVersion[0] << 3) + ucaVersion[1]; 89 version[2] = ucaVersion[2] << 6; 90 version[3] = 0; 91} 92 93void 94CollationTailoring::setVersion(const UVersionInfo baseVersion, const UVersionInfo rulesVersion) { 95 version[0] = UCOL_BUILDER_VERSION; 96 version[1] = baseVersion[1]; 97 version[2] = (baseVersion[2] & 0xc0) + ((rulesVersion[0] + (rulesVersion[0] >> 6)) & 0x3f); 98 version[3] = (rulesVersion[1] << 3) + (rulesVersion[1] >> 5) + rulesVersion[2] + 99 (rulesVersion[3] << 4) + (rulesVersion[3] >> 4); 100} 101 102int32_t 103CollationTailoring::getUCAVersion() const { 104 return ((int32_t)version[1] << 4) | (version[2] >> 6); 105} 106 107CollationCacheEntry::~CollationCacheEntry() { 108 SharedObject::clearPtr(tailoring); 109} 110 111U_NAMESPACE_END 112 113#endif // !UCONFIG_NO_COLLATION 114