1/* 2******************************************************************************* 3* Copyright (C) 2013-2014, International Business Machines 4* Corporation and others. All Rights Reserved. 5******************************************************************************* 6* collationtailoring.cpp 7* 8* created on: 2013mar12 9* created by: Markus W. Scherer 10*/ 11 12#include "unicode/utypes.h" 13 14#if !UCONFIG_NO_COLLATION 15 16#include "unicode/udata.h" 17#include "unicode/unistr.h" 18#include "unicode/ures.h" 19#include "unicode/uversion.h" 20#include "unicode/uvernum.h" 21#include "cmemory.h" 22#include "collationdata.h" 23#include "collationsettings.h" 24#include "collationtailoring.h" 25#include "normalizer2impl.h" 26#include "uassert.h" 27#include "uhash.h" 28#include "umutex.h" 29#include "utrie2.h" 30 31U_NAMESPACE_BEGIN 32 33CollationTailoring::CollationTailoring(const CollationSettings *baseSettings) 34 : data(NULL), settings(baseSettings), 35 actualLocale(""), 36 ownedData(NULL), 37 builder(NULL), memory(NULL), bundle(NULL), 38 trie(NULL), unsafeBackwardSet(NULL), 39 maxExpansions(NULL) { 40 if(baseSettings != NULL) { 41 U_ASSERT(baseSettings->reorderCodesLength == 0); 42 U_ASSERT(baseSettings->reorderTable == NULL); 43 } else { 44 settings = new CollationSettings(); 45 } 46 if(settings != NULL) { 47 settings->addRef(); 48 } 49 rules.getTerminatedBuffer(); // ensure NUL-termination 50 version[0] = version[1] = version[2] = version[3] = 0; 51 maxExpansionsInitOnce.reset(); 52} 53 54CollationTailoring::~CollationTailoring() { 55 SharedObject::clearPtr(settings); 56 delete ownedData; 57 delete builder; 58 udata_close(memory); 59 ures_close(bundle); 60 utrie2_close(trie); 61 delete unsafeBackwardSet; 62 uhash_close(maxExpansions); 63 maxExpansionsInitOnce.reset(); 64} 65 66UBool 67CollationTailoring::ensureOwnedData(UErrorCode &errorCode) { 68 if(U_FAILURE(errorCode)) { return FALSE; } 69 if(ownedData == NULL) { 70 const Normalizer2Impl *nfcImpl = Normalizer2Factory::getNFCImpl(errorCode); 71 if(U_FAILURE(errorCode)) { return FALSE; } 72 ownedData = new CollationData(*nfcImpl); 73 if(ownedData == NULL) { 74 errorCode = U_MEMORY_ALLOCATION_ERROR; 75 return FALSE; 76 } 77 } 78 data = ownedData; 79 return TRUE; 80} 81 82void 83CollationTailoring::makeBaseVersion(const UVersionInfo ucaVersion, UVersionInfo version) { 84 version[0] = UCOL_BUILDER_VERSION; 85 version[1] = (ucaVersion[0] << 3) + ucaVersion[1]; 86 version[2] = ucaVersion[2] << 6; 87 version[3] = 0; 88} 89 90void 91CollationTailoring::setVersion(const UVersionInfo baseVersion, const UVersionInfo rulesVersion) { 92 version[0] = UCOL_BUILDER_VERSION; 93 version[1] = baseVersion[1]; 94 version[2] = (baseVersion[2] & 0xc0) + ((rulesVersion[0] + (rulesVersion[0] >> 6)) & 0x3f); 95 version[3] = (rulesVersion[1] << 3) + (rulesVersion[1] >> 5) + rulesVersion[2] + 96 (rulesVersion[3] << 4) + (rulesVersion[3] >> 4); 97} 98 99int32_t 100CollationTailoring::getUCAVersion() const { 101 return ((int32_t)version[1] << 4) | (version[2] >> 6); 102} 103 104U_NAMESPACE_END 105 106#endif // !UCONFIG_NO_COLLATION 107