684 lines
24 KiB
C++
684 lines
24 KiB
C++
// © 2019 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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// loclikelysubtags.cpp
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// created: 2019may08 Markus W. Scherer
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#include <utility>
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#include "unicode/utypes.h"
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#include "unicode/bytestrie.h"
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#include "unicode/localpointer.h"
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#include "unicode/locid.h"
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#include "unicode/uobject.h"
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#include "unicode/ures.h"
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#include "charstr.h"
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#include "cstring.h"
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#include "loclikelysubtags.h"
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#include "lsr.h"
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#include "uassert.h"
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#include "ucln_cmn.h"
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#include "uhash.h"
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#include "uinvchar.h"
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#include "umutex.h"
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#include "uniquecharstr.h"
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#include "uresdata.h"
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#include "uresimp.h"
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U_NAMESPACE_BEGIN
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namespace {
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constexpr char PSEUDO_ACCENTS_PREFIX = '\''; // -XA, -PSACCENT
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constexpr char PSEUDO_BIDI_PREFIX = '+'; // -XB, -PSBIDI
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constexpr char PSEUDO_CRACKED_PREFIX = ','; // -XC, -PSCRACK
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} // namespace
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LocaleDistanceData::LocaleDistanceData(LocaleDistanceData &&data) :
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distanceTrieBytes(data.distanceTrieBytes),
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regionToPartitions(data.regionToPartitions),
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partitions(data.partitions),
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paradigms(data.paradigms), paradigmsLength(data.paradigmsLength),
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distances(data.distances) {
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data.partitions = nullptr;
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data.paradigms = nullptr;
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}
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LocaleDistanceData::~LocaleDistanceData() {
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uprv_free(partitions);
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delete[] paradigms;
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}
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// TODO(ICU-20777): Rename to just LikelySubtagsData.
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struct XLikelySubtagsData {
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UResourceBundle *langInfoBundle = nullptr;
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UniqueCharStrings strings;
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CharStringMap languageAliases;
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CharStringMap regionAliases;
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const uint8_t *trieBytes = nullptr;
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LSR *lsrs = nullptr;
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int32_t lsrsLength = 0;
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LocaleDistanceData distanceData;
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XLikelySubtagsData(UErrorCode &errorCode) : strings(errorCode) {}
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~XLikelySubtagsData() {
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ures_close(langInfoBundle);
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delete[] lsrs;
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}
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void load(UErrorCode &errorCode) {
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langInfoBundle = ures_openDirect(nullptr, "langInfo", &errorCode);
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if (U_FAILURE(errorCode)) { return; }
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StackUResourceBundle stackTempBundle;
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ResourceDataValue value;
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ures_getValueWithFallback(langInfoBundle, "likely", stackTempBundle.getAlias(),
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value, errorCode);
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ResourceTable likelyTable = value.getTable(errorCode);
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if (U_FAILURE(errorCode)) { return; }
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// Read all strings in the resource bundle and convert them to invariant char *.
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LocalMemory<int32_t> languageIndexes, regionIndexes, lsrSubtagIndexes;
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int32_t languagesLength = 0, regionsLength = 0, lsrSubtagsLength = 0;
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if (!readStrings(likelyTable, "languageAliases", value,
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languageIndexes, languagesLength, errorCode) ||
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!readStrings(likelyTable, "regionAliases", value,
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regionIndexes, regionsLength, errorCode) ||
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!readStrings(likelyTable, "lsrs", value,
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lsrSubtagIndexes,lsrSubtagsLength, errorCode)) {
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return;
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}
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if ((languagesLength & 1) != 0 ||
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(regionsLength & 1) != 0 ||
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(lsrSubtagsLength % 3) != 0) {
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errorCode = U_INVALID_FORMAT_ERROR;
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return;
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}
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if (lsrSubtagsLength == 0) {
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errorCode = U_MISSING_RESOURCE_ERROR;
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return;
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}
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if (!likelyTable.findValue("trie", value)) {
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errorCode = U_MISSING_RESOURCE_ERROR;
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return;
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}
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int32_t length;
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trieBytes = value.getBinary(length, errorCode);
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if (U_FAILURE(errorCode)) { return; }
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// Also read distance/matcher data if available,
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// to open & keep only one resource bundle pointer
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// and to use one single UniqueCharStrings.
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UErrorCode matchErrorCode = U_ZERO_ERROR;
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ures_getValueWithFallback(langInfoBundle, "match", stackTempBundle.getAlias(),
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value, matchErrorCode);
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LocalMemory<int32_t> partitionIndexes, paradigmSubtagIndexes;
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int32_t partitionsLength = 0, paradigmSubtagsLength = 0;
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if (U_SUCCESS(matchErrorCode)) {
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ResourceTable matchTable = value.getTable(errorCode);
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if (U_FAILURE(errorCode)) { return; }
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if (matchTable.findValue("trie", value)) {
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distanceData.distanceTrieBytes = value.getBinary(length, errorCode);
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if (U_FAILURE(errorCode)) { return; }
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}
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if (matchTable.findValue("regionToPartitions", value)) {
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distanceData.regionToPartitions = value.getBinary(length, errorCode);
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if (U_FAILURE(errorCode)) { return; }
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if (length < LSR::REGION_INDEX_LIMIT) {
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errorCode = U_INVALID_FORMAT_ERROR;
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return;
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}
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}
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if (!readStrings(matchTable, "partitions", value,
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partitionIndexes, partitionsLength, errorCode) ||
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!readStrings(matchTable, "paradigms", value,
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paradigmSubtagIndexes, paradigmSubtagsLength, errorCode)) {
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return;
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}
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if ((paradigmSubtagsLength % 3) != 0) {
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errorCode = U_INVALID_FORMAT_ERROR;
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return;
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}
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if (matchTable.findValue("distances", value)) {
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distanceData.distances = value.getIntVector(length, errorCode);
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if (U_FAILURE(errorCode)) { return; }
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if (length < 4) { // LocaleDistance IX_LIMIT
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errorCode = U_INVALID_FORMAT_ERROR;
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return;
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}
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}
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} else if (matchErrorCode == U_MISSING_RESOURCE_ERROR) {
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// ok for likely subtags
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} else { // error other than missing resource
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errorCode = matchErrorCode;
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return;
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}
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// Fetch & store invariant-character versions of strings
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// only after we have collected and de-duplicated all of them.
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strings.freeze();
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languageAliases = CharStringMap(languagesLength / 2, errorCode);
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for (int32_t i = 0; i < languagesLength; i += 2) {
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languageAliases.put(strings.get(languageIndexes[i]),
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strings.get(languageIndexes[i + 1]), errorCode);
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}
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regionAliases = CharStringMap(regionsLength / 2, errorCode);
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for (int32_t i = 0; i < regionsLength; i += 2) {
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regionAliases.put(strings.get(regionIndexes[i]),
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strings.get(regionIndexes[i + 1]), errorCode);
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}
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if (U_FAILURE(errorCode)) { return; }
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lsrsLength = lsrSubtagsLength / 3;
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lsrs = new LSR[lsrsLength];
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if (lsrs == nullptr) {
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errorCode = U_MEMORY_ALLOCATION_ERROR;
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return;
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}
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for (int32_t i = 0, j = 0; i < lsrSubtagsLength; i += 3, ++j) {
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lsrs[j] = LSR(strings.get(lsrSubtagIndexes[i]),
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strings.get(lsrSubtagIndexes[i + 1]),
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strings.get(lsrSubtagIndexes[i + 2]),
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LSR::IMPLICIT_LSR);
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}
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if (partitionsLength > 0) {
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distanceData.partitions = static_cast<const char **>(
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uprv_malloc(partitionsLength * sizeof(const char *)));
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if (distanceData.partitions == nullptr) {
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errorCode = U_MEMORY_ALLOCATION_ERROR;
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return;
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}
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for (int32_t i = 0; i < partitionsLength; ++i) {
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distanceData.partitions[i] = strings.get(partitionIndexes[i]);
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}
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}
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if (paradigmSubtagsLength > 0) {
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distanceData.paradigmsLength = paradigmSubtagsLength / 3;
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LSR *paradigms = new LSR[distanceData.paradigmsLength];
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if (paradigms == nullptr) {
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errorCode = U_MEMORY_ALLOCATION_ERROR;
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return;
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}
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for (int32_t i = 0, j = 0; i < paradigmSubtagsLength; i += 3, ++j) {
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paradigms[j] = LSR(strings.get(paradigmSubtagIndexes[i]),
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strings.get(paradigmSubtagIndexes[i + 1]),
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strings.get(paradigmSubtagIndexes[i + 2]),
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LSR::DONT_CARE_FLAGS);
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}
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distanceData.paradigms = paradigms;
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}
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}
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private:
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bool readStrings(const ResourceTable &table, const char *key, ResourceValue &value,
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LocalMemory<int32_t> &indexes, int32_t &length, UErrorCode &errorCode) {
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if (table.findValue(key, value)) {
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ResourceArray stringArray = value.getArray(errorCode);
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if (U_FAILURE(errorCode)) { return false; }
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length = stringArray.getSize();
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if (length == 0) { return true; }
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int32_t *rawIndexes = indexes.allocateInsteadAndCopy(length);
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if (rawIndexes == nullptr) {
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errorCode = U_MEMORY_ALLOCATION_ERROR;
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return false;
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}
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for (int i = 0; i < length; ++i) {
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stringArray.getValue(i, value); // returns TRUE because i < length
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rawIndexes[i] = strings.add(value.getUnicodeString(errorCode), errorCode);
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if (U_FAILURE(errorCode)) { return false; }
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}
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}
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return true;
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}
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};
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namespace {
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XLikelySubtags *gLikelySubtags = nullptr;
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UInitOnce gInitOnce = U_INITONCE_INITIALIZER;
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UBool U_CALLCONV cleanup() {
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delete gLikelySubtags;
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gLikelySubtags = nullptr;
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gInitOnce.reset();
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return TRUE;
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}
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} // namespace
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void U_CALLCONV XLikelySubtags::initLikelySubtags(UErrorCode &errorCode) {
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// This function is invoked only via umtx_initOnce().
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U_ASSERT(gLikelySubtags == nullptr);
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XLikelySubtagsData data(errorCode);
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data.load(errorCode);
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if (U_FAILURE(errorCode)) { return; }
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gLikelySubtags = new XLikelySubtags(data);
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if (gLikelySubtags == nullptr) {
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errorCode = U_MEMORY_ALLOCATION_ERROR;
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return;
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}
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ucln_common_registerCleanup(UCLN_COMMON_LIKELY_SUBTAGS, cleanup);
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}
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const XLikelySubtags *XLikelySubtags::getSingleton(UErrorCode &errorCode) {
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if (U_FAILURE(errorCode)) { return nullptr; }
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umtx_initOnce(gInitOnce, &XLikelySubtags::initLikelySubtags, errorCode);
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return gLikelySubtags;
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}
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XLikelySubtags::XLikelySubtags(XLikelySubtagsData &data) :
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langInfoBundle(data.langInfoBundle),
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strings(data.strings.orphanCharStrings()),
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languageAliases(std::move(data.languageAliases)),
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regionAliases(std::move(data.regionAliases)),
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trie(data.trieBytes),
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lsrs(data.lsrs),
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#if U_DEBUG
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lsrsLength(data.lsrsLength),
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#endif
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distanceData(std::move(data.distanceData)) {
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data.langInfoBundle = nullptr;
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data.lsrs = nullptr;
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// Cache the result of looking up language="und" encoded as "*", and "und-Zzzz" ("**").
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UStringTrieResult result = trie.next(u'*');
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U_ASSERT(USTRINGTRIE_HAS_NEXT(result));
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trieUndState = trie.getState64();
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result = trie.next(u'*');
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U_ASSERT(USTRINGTRIE_HAS_NEXT(result));
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trieUndZzzzState = trie.getState64();
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result = trie.next(u'*');
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U_ASSERT(USTRINGTRIE_HAS_VALUE(result));
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defaultLsrIndex = trie.getValue();
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trie.reset();
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for (char16_t c = u'a'; c <= u'z'; ++c) {
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result = trie.next(c);
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if (result == USTRINGTRIE_NO_VALUE) {
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trieFirstLetterStates[c - u'a'] = trie.getState64();
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}
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trie.reset();
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}
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}
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XLikelySubtags::~XLikelySubtags() {
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ures_close(langInfoBundle);
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delete strings;
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delete[] lsrs;
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}
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LSR XLikelySubtags::makeMaximizedLsrFrom(const Locale &locale, UErrorCode &errorCode) const {
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const char *name = locale.getName();
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if (uprv_isAtSign(name[0]) && name[1] == 'x' && name[2] == '=') { // name.startsWith("@x=")
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// Private use language tag x-subtag-subtag... which CLDR changes to
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// und-x-subtag-subtag...
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return LSR(name, "", "", LSR::EXPLICIT_LSR);
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}
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return makeMaximizedLsr(locale.getLanguage(), locale.getScript(), locale.getCountry(),
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locale.getVariant(), errorCode);
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}
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namespace {
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const char *getCanonical(const CharStringMap &aliases, const char *alias) {
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const char *canonical = aliases.get(alias);
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return canonical == nullptr ? alias : canonical;
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}
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} // namespace
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LSR XLikelySubtags::makeMaximizedLsr(const char *language, const char *script, const char *region,
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const char *variant, UErrorCode &errorCode) const {
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// Handle pseudolocales like en-XA, ar-XB, fr-PSCRACK.
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// They should match only themselves,
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// not other locales with what looks like the same language and script subtags.
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char c1;
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if (region[0] == 'X' && (c1 = region[1]) != 0 && region[2] == 0) {
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switch (c1) {
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case 'A':
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return LSR(PSEUDO_ACCENTS_PREFIX, language, script, region,
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LSR::EXPLICIT_LSR, errorCode);
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case 'B':
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return LSR(PSEUDO_BIDI_PREFIX, language, script, region,
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LSR::EXPLICIT_LSR, errorCode);
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case 'C':
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return LSR(PSEUDO_CRACKED_PREFIX, language, script, region,
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LSR::EXPLICIT_LSR, errorCode);
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default: // normal locale
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break;
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}
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}
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if (variant[0] == 'P' && variant[1] == 'S') {
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int32_t lsrFlags = *region == 0 ?
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LSR::EXPLICIT_LANGUAGE | LSR::EXPLICIT_SCRIPT : LSR::EXPLICIT_LSR;
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if (uprv_strcmp(variant, "PSACCENT") == 0) {
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return LSR(PSEUDO_ACCENTS_PREFIX, language, script,
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*region == 0 ? "XA" : region, lsrFlags, errorCode);
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} else if (uprv_strcmp(variant, "PSBIDI") == 0) {
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return LSR(PSEUDO_BIDI_PREFIX, language, script,
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*region == 0 ? "XB" : region, lsrFlags, errorCode);
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} else if (uprv_strcmp(variant, "PSCRACK") == 0) {
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return LSR(PSEUDO_CRACKED_PREFIX, language, script,
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*region == 0 ? "XC" : region, lsrFlags, errorCode);
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}
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// else normal locale
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}
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language = getCanonical(languageAliases, language);
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// (We have no script mappings.)
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region = getCanonical(regionAliases, region);
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return maximize(language, script, region);
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}
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LSR XLikelySubtags::maximize(const char *language, const char *script, const char *region) const {
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if (uprv_strcmp(language, "und") == 0) {
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language = "";
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}
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if (uprv_strcmp(script, "Zzzz") == 0) {
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script = "";
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}
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if (uprv_strcmp(region, "ZZ") == 0) {
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region = "";
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}
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if (*script != 0 && *region != 0 && *language != 0) {
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return LSR(language, script, region, LSR::EXPLICIT_LSR); // already maximized
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}
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uint32_t retainOldMask = 0;
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BytesTrie iter(trie);
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uint64_t state;
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int32_t value;
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// Small optimization: Array lookup for first language letter.
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int32_t c0;
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if (0 <= (c0 = uprv_lowerOrdinal(language[0])) && c0 <= 25 &&
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language[1] != 0 && // language.length() >= 2
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(state = trieFirstLetterStates[c0]) != 0) {
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value = trieNext(iter.resetToState64(state), language, 1);
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} else {
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value = trieNext(iter, language, 0);
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}
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if (value >= 0) {
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if (*language != 0) {
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retainOldMask |= 4;
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}
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state = iter.getState64();
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} else {
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retainOldMask |= 4;
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iter.resetToState64(trieUndState); // "und" ("*")
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state = 0;
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}
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if (value > 0) {
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// Intermediate or final value from just language.
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if (value == SKIP_SCRIPT) {
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value = 0;
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}
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if (*script != 0) {
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retainOldMask |= 2;
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}
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} else {
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value = trieNext(iter, script, 0);
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if (value >= 0) {
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if (*script != 0) {
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retainOldMask |= 2;
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}
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state = iter.getState64();
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} else {
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retainOldMask |= 2;
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if (state == 0) {
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iter.resetToState64(trieUndZzzzState); // "und-Zzzz" ("**")
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} else {
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iter.resetToState64(state);
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value = trieNext(iter, "", 0);
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U_ASSERT(value >= 0);
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state = iter.getState64();
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}
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}
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}
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if (value > 0) {
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// Final value from just language or language+script.
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if (*region != 0) {
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retainOldMask |= 1;
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}
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} else {
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value = trieNext(iter, region, 0);
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if (value >= 0) {
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if (*region != 0) {
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retainOldMask |= 1;
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}
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} else {
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retainOldMask |= 1;
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if (state == 0) {
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value = defaultLsrIndex;
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} else {
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iter.resetToState64(state);
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value = trieNext(iter, "", 0);
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U_ASSERT(value > 0);
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}
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}
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}
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U_ASSERT(value < lsrsLength);
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const LSR &result = lsrs[value];
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if (*language == 0) {
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language = "und";
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}
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if (retainOldMask == 0) {
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// Quickly return a copy of the lookup-result LSR
|
|
// without new allocation of the subtags.
|
|
return LSR(result.language, result.script, result.region, result.flags);
|
|
}
|
|
if ((retainOldMask & 4) == 0) {
|
|
language = result.language;
|
|
}
|
|
if ((retainOldMask & 2) == 0) {
|
|
script = result.script;
|
|
}
|
|
if ((retainOldMask & 1) == 0) {
|
|
region = result.region;
|
|
}
|
|
// retainOldMask flags = LSR explicit-subtag flags
|
|
return LSR(language, script, region, retainOldMask);
|
|
}
|
|
|
|
int32_t XLikelySubtags::compareLikely(const LSR &lsr, const LSR &other, int32_t likelyInfo) const {
|
|
// If likelyInfo >= 0:
|
|
// likelyInfo bit 1 is set if the previous comparison with lsr
|
|
// was for equal language and script.
|
|
// Otherwise the scripts differed.
|
|
if (uprv_strcmp(lsr.language, other.language) != 0) {
|
|
return 0xfffffffc; // negative, lsr not better than other
|
|
}
|
|
if (uprv_strcmp(lsr.script, other.script) != 0) {
|
|
int32_t index;
|
|
if (likelyInfo >= 0 && (likelyInfo & 2) == 0) {
|
|
index = likelyInfo >> 2;
|
|
} else {
|
|
index = getLikelyIndex(lsr.language, "");
|
|
likelyInfo = index << 2;
|
|
}
|
|
const LSR &likely = lsrs[index];
|
|
if (uprv_strcmp(lsr.script, likely.script) == 0) {
|
|
return likelyInfo | 1;
|
|
} else {
|
|
return likelyInfo & ~1;
|
|
}
|
|
}
|
|
if (uprv_strcmp(lsr.region, other.region) != 0) {
|
|
int32_t index;
|
|
if (likelyInfo >= 0 && (likelyInfo & 2) != 0) {
|
|
index = likelyInfo >> 2;
|
|
} else {
|
|
index = getLikelyIndex(lsr.language, lsr.region);
|
|
likelyInfo = (index << 2) | 2;
|
|
}
|
|
const LSR &likely = lsrs[index];
|
|
if (uprv_strcmp(lsr.region, likely.region) == 0) {
|
|
return likelyInfo | 1;
|
|
} else {
|
|
return likelyInfo & ~1;
|
|
}
|
|
}
|
|
return likelyInfo & ~1; // lsr not better than other
|
|
}
|
|
|
|
// Subset of maximize().
|
|
int32_t XLikelySubtags::getLikelyIndex(const char *language, const char *script) const {
|
|
if (uprv_strcmp(language, "und") == 0) {
|
|
language = "";
|
|
}
|
|
if (uprv_strcmp(script, "Zzzz") == 0) {
|
|
script = "";
|
|
}
|
|
|
|
BytesTrie iter(trie);
|
|
uint64_t state;
|
|
int32_t value;
|
|
// Small optimization: Array lookup for first language letter.
|
|
int32_t c0;
|
|
if (0 <= (c0 = uprv_lowerOrdinal(language[0])) && c0 <= 25 &&
|
|
language[1] != 0 && // language.length() >= 2
|
|
(state = trieFirstLetterStates[c0]) != 0) {
|
|
value = trieNext(iter.resetToState64(state), language, 1);
|
|
} else {
|
|
value = trieNext(iter, language, 0);
|
|
}
|
|
if (value >= 0) {
|
|
state = iter.getState64();
|
|
} else {
|
|
iter.resetToState64(trieUndState); // "und" ("*")
|
|
state = 0;
|
|
}
|
|
|
|
if (value > 0) {
|
|
// Intermediate or final value from just language.
|
|
if (value == SKIP_SCRIPT) {
|
|
value = 0;
|
|
}
|
|
} else {
|
|
value = trieNext(iter, script, 0);
|
|
if (value >= 0) {
|
|
state = iter.getState64();
|
|
} else {
|
|
if (state == 0) {
|
|
iter.resetToState64(trieUndZzzzState); // "und-Zzzz" ("**")
|
|
} else {
|
|
iter.resetToState64(state);
|
|
value = trieNext(iter, "", 0);
|
|
U_ASSERT(value >= 0);
|
|
state = iter.getState64();
|
|
}
|
|
}
|
|
}
|
|
|
|
if (value > 0) {
|
|
// Final value from just language or language+script.
|
|
} else {
|
|
value = trieNext(iter, "", 0);
|
|
U_ASSERT(value > 0);
|
|
}
|
|
U_ASSERT(value < lsrsLength);
|
|
return value;
|
|
}
|
|
|
|
int32_t XLikelySubtags::trieNext(BytesTrie &iter, const char *s, int32_t i) {
|
|
UStringTrieResult result;
|
|
uint8_t c;
|
|
if ((c = s[i]) == 0) {
|
|
result = iter.next(u'*');
|
|
} else {
|
|
for (;;) {
|
|
c = uprv_invCharToAscii(c);
|
|
// EBCDIC: If s[i] is not an invariant character,
|
|
// then c is now 0 and will simply not match anything, which is harmless.
|
|
uint8_t next = s[++i];
|
|
if (next != 0) {
|
|
if (!USTRINGTRIE_HAS_NEXT(iter.next(c))) {
|
|
return -1;
|
|
}
|
|
} else {
|
|
// last character of this subtag
|
|
result = iter.next(c | 0x80);
|
|
break;
|
|
}
|
|
c = next;
|
|
}
|
|
}
|
|
switch (result) {
|
|
case USTRINGTRIE_NO_MATCH: return -1;
|
|
case USTRINGTRIE_NO_VALUE: return 0;
|
|
case USTRINGTRIE_INTERMEDIATE_VALUE:
|
|
U_ASSERT(iter.getValue() == SKIP_SCRIPT);
|
|
return SKIP_SCRIPT;
|
|
case USTRINGTRIE_FINAL_VALUE: return iter.getValue();
|
|
default: return -1;
|
|
}
|
|
}
|
|
|
|
// TODO(ICU-20777): Switch Locale/uloc_ likely-subtags API from the old code
|
|
// in loclikely.cpp to this new code, including activating this
|
|
// minimizeSubtags() function. The LocaleMatcher does not minimize.
|
|
#if 0
|
|
LSR XLikelySubtags::minimizeSubtags(const char *languageIn, const char *scriptIn,
|
|
const char *regionIn, ULocale.Minimize fieldToFavor,
|
|
UErrorCode &errorCode) const {
|
|
LSR result = maximize(languageIn, scriptIn, regionIn);
|
|
|
|
// We could try just a series of checks, like:
|
|
// LSR result2 = addLikelySubtags(languageIn, "", "");
|
|
// if result.equals(result2) return result2;
|
|
// However, we can optimize 2 of the cases:
|
|
// (languageIn, "", "")
|
|
// (languageIn, "", regionIn)
|
|
|
|
// value00 = lookup(result.language, "", "")
|
|
BytesTrie iter = new BytesTrie(trie);
|
|
int value = trieNext(iter, result.language, 0);
|
|
U_ASSERT(value >= 0);
|
|
if (value == 0) {
|
|
value = trieNext(iter, "", 0);
|
|
U_ASSERT(value >= 0);
|
|
if (value == 0) {
|
|
value = trieNext(iter, "", 0);
|
|
}
|
|
}
|
|
U_ASSERT(value > 0);
|
|
LSR value00 = lsrs[value];
|
|
boolean favorRegionOk = false;
|
|
if (result.script.equals(value00.script)) { //script is default
|
|
if (result.region.equals(value00.region)) {
|
|
return new LSR(result.language, "", "", LSR.DONT_CARE_FLAGS);
|
|
} else if (fieldToFavor == ULocale.Minimize.FAVOR_REGION) {
|
|
return new LSR(result.language, "", result.region, LSR.DONT_CARE_FLAGS);
|
|
} else {
|
|
favorRegionOk = true;
|
|
}
|
|
}
|
|
|
|
// The last case is not as easy to optimize.
|
|
// Maybe do later, but for now use the straightforward code.
|
|
LSR result2 = maximize(languageIn, scriptIn, "");
|
|
if (result2.equals(result)) {
|
|
return new LSR(result.language, result.script, "", LSR.DONT_CARE_FLAGS);
|
|
} else if (favorRegionOk) {
|
|
return new LSR(result.language, "", result.region, LSR.DONT_CARE_FLAGS);
|
|
}
|
|
return result;
|
|
}
|
|
#endif
|
|
|
|
U_NAMESPACE_END
|