111 lines
3.2 KiB
C++
111 lines
3.2 KiB
C++
/*
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*******************************************************************************
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* Copyright (C) 2013-2014, International Business Machines
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* Corporation and others. All Rights Reserved.
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*******************************************************************************
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* collationtailoring.cpp
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*
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* created on: 2013mar12
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* created by: Markus W. Scherer
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*/
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_COLLATION
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#include "unicode/udata.h"
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#include "unicode/unistr.h"
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#include "unicode/ures.h"
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#include "unicode/uversion.h"
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#include "unicode/uvernum.h"
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#include "cmemory.h"
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#include "collationdata.h"
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#include "collationsettings.h"
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#include "collationtailoring.h"
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#include "normalizer2impl.h"
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#include "uassert.h"
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#include "uhash.h"
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#include "umutex.h"
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#include "utrie2.h"
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U_NAMESPACE_BEGIN
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CollationTailoring::CollationTailoring(const CollationSettings *baseSettings)
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: data(NULL), settings(baseSettings),
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actualLocale(""),
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ownedData(NULL),
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builder(NULL), memory(NULL), bundle(NULL),
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trie(NULL), unsafeBackwardSet(NULL),
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maxExpansions(NULL) {
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if(baseSettings != NULL) {
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U_ASSERT(baseSettings->reorderCodesLength == 0);
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U_ASSERT(baseSettings->reorderTable == NULL);
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} else {
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settings = new CollationSettings();
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}
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if(settings != NULL) {
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settings->addRef();
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}
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rules.getTerminatedBuffer(); // ensure NUL-termination
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version[0] = version[1] = version[2] = version[3] = 0;
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maxExpansionsInitOnce.reset();
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}
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CollationTailoring::~CollationTailoring() {
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SharedObject::clearPtr(settings);
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delete ownedData;
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delete builder;
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udata_close(memory);
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ures_close(bundle);
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utrie2_close(trie);
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delete unsafeBackwardSet;
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uhash_close(maxExpansions);
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maxExpansionsInitOnce.reset();
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}
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UBool
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CollationTailoring::ensureOwnedData(UErrorCode &errorCode) {
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if(U_FAILURE(errorCode)) { return FALSE; }
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if(ownedData == NULL) {
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const Normalizer2Impl *nfcImpl = Normalizer2Factory::getNFCImpl(errorCode);
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if(U_FAILURE(errorCode)) { return FALSE; }
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ownedData = new CollationData(*nfcImpl);
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if(ownedData == NULL) {
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errorCode = U_MEMORY_ALLOCATION_ERROR;
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return FALSE;
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}
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}
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data = ownedData;
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return TRUE;
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}
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void
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CollationTailoring::makeBaseVersion(const UVersionInfo ucaVersion, UVersionInfo version) {
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version[0] = UCOL_BUILDER_VERSION;
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version[1] = (ucaVersion[0] << 3) + ucaVersion[1];
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version[2] = ucaVersion[2] << 6;
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version[3] = 0;
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}
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void
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CollationTailoring::setVersion(const UVersionInfo baseVersion, const UVersionInfo rulesVersion) {
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version[0] = UCOL_BUILDER_VERSION;
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version[1] = baseVersion[1];
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version[2] = (baseVersion[2] & 0xc0) + ((rulesVersion[0] + (rulesVersion[0] >> 6)) & 0x3f);
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version[3] = (rulesVersion[1] << 3) + (rulesVersion[1] >> 5) + rulesVersion[2] +
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(rulesVersion[3] << 4) + (rulesVersion[3] >> 4);
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}
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int32_t
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CollationTailoring::getUCAVersion() const {
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return ((int32_t)version[1] << 4) | (version[2] >> 6);
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}
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CollationCacheEntry::~CollationCacheEntry() {
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SharedObject::clearPtr(tailoring);
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}
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U_NAMESPACE_END
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#endif // !UCONFIG_NO_COLLATION
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