1 /* 2 ******************************************************************************* 3 * Copyright (C) 2013-2015, 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 31 U_NAMESPACE_BEGIN 32 33 CollationTailoring::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 U_ASSERT(baseSettings->minHighNoReorder == 0); 44 } else { 45 settings = new CollationSettings(); 46 } 47 if(settings != NULL) { 48 settings->addRef(); 49 } 50 rules.getTerminatedBuffer(); // ensure NUL-termination 51 version[0] = version[1] = version[2] = version[3] = 0; 52 maxExpansionsInitOnce.reset(); 53 } 54 55 CollationTailoring::~CollationTailoring() { 56 SharedObject::clearPtr(settings); 57 delete ownedData; 58 delete builder; 59 udata_close(memory); 60 ures_close(bundle); 61 utrie2_close(trie); 62 delete unsafeBackwardSet; 63 uhash_close(maxExpansions); 64 maxExpansionsInitOnce.reset(); 65 } 66 67 UBool 68 CollationTailoring::ensureOwnedData(UErrorCode &errorCode) { 69 if(U_FAILURE(errorCode)) { return FALSE; } 70 if(ownedData == NULL) { 71 const Normalizer2Impl *nfcImpl = Normalizer2Factory::getNFCImpl(errorCode); 72 if(U_FAILURE(errorCode)) { return FALSE; } 73 ownedData = new CollationData(*nfcImpl); 74 if(ownedData == NULL) { 75 errorCode = U_MEMORY_ALLOCATION_ERROR; 76 return FALSE; 77 } 78 } 79 data = ownedData; 80 return TRUE; 81 } 82 83 void 84 CollationTailoring::makeBaseVersion(const UVersionInfo ucaVersion, UVersionInfo version) { 85 version[0] = UCOL_BUILDER_VERSION; 86 version[1] = (ucaVersion[0] << 3) + ucaVersion[1]; 87 version[2] = ucaVersion[2] << 6; 88 version[3] = 0; 89 } 90 91 void 92 CollationTailoring::setVersion(const UVersionInfo baseVersion, const UVersionInfo rulesVersion) { 93 version[0] = UCOL_BUILDER_VERSION; 94 version[1] = baseVersion[1]; 95 version[2] = (baseVersion[2] & 0xc0) + ((rulesVersion[0] + (rulesVersion[0] >> 6)) & 0x3f); 96 version[3] = (rulesVersion[1] << 3) + (rulesVersion[1] >> 5) + rulesVersion[2] + 97 (rulesVersion[3] << 4) + (rulesVersion[3] >> 4); 98 } 99 100 int32_t 101 CollationTailoring::getUCAVersion() const { 102 return ((int32_t)version[1] << 4) | (version[2] >> 6); 103 } 104 105 CollationCacheEntry::~CollationCacheEntry() { 106 SharedObject::clearPtr(tailoring); 107 } 108 109 U_NAMESPACE_END 110 111 #endif // !UCONFIG_NO_COLLATION 112
