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| 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 |
| 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 } 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 |
| 54 CollationTailoring::~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 |
| 66 UBool |
| 67 CollationTailoring::ensureOwnedData(UErrorCode &errorCode) { |
| 68 if(U_FAILURE(errorCode)) { return FALSE; } |
| 69 if(ownedData == NULL) { |
| 70 const Normalizer2Impl *nfcImpl = Normalizer2Factory::getNFCImpl(errorCod
e); |
| 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 |
| 82 void |
| 83 CollationTailoring::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 |
| 90 void |
| 91 CollationTailoring::setVersion(const UVersionInfo baseVersion, const UVersionInf
o 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 |
| 99 int32_t |
| 100 CollationTailoring::getUCAVersion() const { |
| 101 return ((int32_t)version[1] << 4) | (version[2] >> 6); |
| 102 } |
| 103 |
| 104 CollationCacheEntry::~CollationCacheEntry() { |
| 105 SharedObject::clearPtr(tailoring); |
| 106 } |
| 107 |
| 108 U_NAMESPACE_END |
| 109 |
| 110 #endif // !UCONFIG_NO_COLLATION |
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