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// © 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(nullptr), settings(baseSettings),
actualLocale(""),
ownedData(nullptr),
builder(nullptr), memory(nullptr), bundle(nullptr),
trie(nullptr), unsafeBackwardSet(nullptr),
maxExpansions(nullptr) {
if(baseSettings != nullptr) {
U_ASSERT(baseSettings->reorderCodesLength == 0);
U_ASSERT(baseSettings->reorderTable == nullptr);
U_ASSERT(baseSettings->minHighNoReorder == 0);
} else {
settings = new CollationSettings();
}
if(settings != nullptr) {
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 == nullptr) {
const Normalizer2Impl *nfcImpl = Normalizer2Factory::getNFCImpl(errorCode);
if(U_FAILURE(errorCode)) { return false; }
ownedData = new CollationData(*nfcImpl);
if(ownedData == nullptr) {
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 (static_cast<int32_t>(version[1]) << 4) | (version[2] >> 6);
}
CollationCacheEntry::~CollationCacheEntry() {
SharedObject::clearPtr(tailoring);
}
U_NAMESPACE_END
#endif // !UCONFIG_NO_COLLATION
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