projects / apple / icu.git / blame
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|---|---|---|
| 57a6839d A |
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(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 | ||
| 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 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 | ||
| 99 | int32_t | |
| 100 | CollationTailoring::getUCAVersion() const { | |
| 101 | return ((int32_t)version[1] << 4) | (version[2] >> 6); | |
| 102 | } | |
| 103 | ||
| 104 | U_NAMESPACE_END | |
| 105 | ||
| 106 | #endif // !UCONFIG_NO_COLLATION |