diff options
Diffstat (limited to 'intl/icu/source/i18n/collationtailoring.cpp')
-rw-r--r-- | intl/icu/source/i18n/collationtailoring.cpp | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/intl/icu/source/i18n/collationtailoring.cpp b/intl/icu/source/i18n/collationtailoring.cpp new file mode 100644 index 000000000..d1ffa306f --- /dev/null +++ b/intl/icu/source/i18n/collationtailoring.cpp @@ -0,0 +1,113 @@ +// Copyright (C) 2016 and later: Unicode, Inc. and others. +// License & terms of use: http://www.unicode.org/copyright.html +/* +******************************************************************************* +* Copyright (C) 2013-2015, International Business Machines +* Corporation and others. All Rights Reserved. +******************************************************************************* +* collationtailoring.cpp +* +* created on: 2013mar12 +* created by: Markus W. Scherer +*/ + +#include "unicode/utypes.h" + +#if !UCONFIG_NO_COLLATION + +#include "unicode/udata.h" +#include "unicode/unistr.h" +#include "unicode/ures.h" +#include "unicode/uversion.h" +#include "unicode/uvernum.h" +#include "cmemory.h" +#include "collationdata.h" +#include "collationsettings.h" +#include "collationtailoring.h" +#include "normalizer2impl.h" +#include "uassert.h" +#include "uhash.h" +#include "umutex.h" +#include "utrie2.h" + +U_NAMESPACE_BEGIN + +CollationTailoring::CollationTailoring(const CollationSettings *baseSettings) + : data(NULL), settings(baseSettings), + actualLocale(""), + ownedData(NULL), + builder(NULL), memory(NULL), bundle(NULL), + trie(NULL), unsafeBackwardSet(NULL), + maxExpansions(NULL) { + if(baseSettings != NULL) { + U_ASSERT(baseSettings->reorderCodesLength == 0); + U_ASSERT(baseSettings->reorderTable == NULL); + U_ASSERT(baseSettings->minHighNoReorder == 0); + } else { + settings = new CollationSettings(); + } + if(settings != NULL) { + settings->addRef(); + } + rules.getTerminatedBuffer(); // ensure NUL-termination + version[0] = version[1] = version[2] = version[3] = 0; + maxExpansionsInitOnce.reset(); +} + +CollationTailoring::~CollationTailoring() { + SharedObject::clearPtr(settings); + delete ownedData; + delete builder; + udata_close(memory); + ures_close(bundle); + utrie2_close(trie); + delete unsafeBackwardSet; + uhash_close(maxExpansions); + maxExpansionsInitOnce.reset(); +} + +UBool +CollationTailoring::ensureOwnedData(UErrorCode &errorCode) { + if(U_FAILURE(errorCode)) { return FALSE; } + if(ownedData == NULL) { + const Normalizer2Impl *nfcImpl = Normalizer2Factory::getNFCImpl(errorCode); + if(U_FAILURE(errorCode)) { return FALSE; } + ownedData = new CollationData(*nfcImpl); + if(ownedData == NULL) { + errorCode = U_MEMORY_ALLOCATION_ERROR; + return FALSE; + } + } + data = ownedData; + return TRUE; +} + +void +CollationTailoring::makeBaseVersion(const UVersionInfo ucaVersion, UVersionInfo version) { + version[0] = UCOL_BUILDER_VERSION; + version[1] = (ucaVersion[0] << 3) + ucaVersion[1]; + version[2] = ucaVersion[2] << 6; + version[3] = 0; +} + +void +CollationTailoring::setVersion(const UVersionInfo baseVersion, const UVersionInfo rulesVersion) { + version[0] = UCOL_BUILDER_VERSION; + version[1] = baseVersion[1]; + version[2] = (baseVersion[2] & 0xc0) + ((rulesVersion[0] + (rulesVersion[0] >> 6)) & 0x3f); + version[3] = (rulesVersion[1] << 3) + (rulesVersion[1] >> 5) + rulesVersion[2] + + (rulesVersion[3] << 4) + (rulesVersion[3] >> 4); +} + +int32_t +CollationTailoring::getUCAVersion() const { + return ((int32_t)version[1] << 4) | (version[2] >> 6); +} + +CollationCacheEntry::~CollationCacheEntry() { + SharedObject::clearPtr(tailoring); +} + +U_NAMESPACE_END + +#endif // !UCONFIG_NO_COLLATION |