2020 lines
61 KiB
C++
2020 lines
61 KiB
C++
/*
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*******************************************************************************
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* Copyright (C) 2011-2014, International Business Machines Corporation and
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* others. All Rights Reserved.
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*******************************************************************************
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*
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* File TZNAMES_IMPL.CPP
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*
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*******************************************************************************
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*/
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_FORMATTING
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#include "unicode/ustring.h"
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#include "unicode/timezone.h"
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#include "tznames_impl.h"
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#include "cmemory.h"
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#include "cstring.h"
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#include "uassert.h"
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#include "mutex.h"
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#include "uresimp.h"
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#include "ureslocs.h"
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#include "zonemeta.h"
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#include "ucln_in.h"
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#include "uvector.h"
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#include "olsontz.h"
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U_NAMESPACE_BEGIN
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#define ZID_KEY_MAX 128
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#define MZ_PREFIX_LEN 5
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static const char gZoneStrings[] = "zoneStrings";
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static const char gMZPrefix[] = "meta:";
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static const char* KEYS[] = {"lg", "ls", "ld", "sg", "ss", "sd"};
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static const int32_t KEYS_SIZE = (sizeof KEYS / sizeof KEYS[0]);
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static const char gEcTag[] = "ec";
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static const char EMPTY[] = "<empty>"; // place holder for empty ZNames/TZNames
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static const UTimeZoneNameType ALL_NAME_TYPES[] = {
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UTZNM_LONG_GENERIC, UTZNM_LONG_STANDARD, UTZNM_LONG_DAYLIGHT,
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UTZNM_SHORT_GENERIC, UTZNM_SHORT_STANDARD, UTZNM_SHORT_DAYLIGHT,
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UTZNM_EXEMPLAR_LOCATION,
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UTZNM_UNKNOWN // unknown as the last one
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};
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// stuff for TZDBTimeZoneNames
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static const char* TZDBNAMES_KEYS[] = {"ss", "sd"};
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static const int32_t TZDBNAMES_KEYS_SIZE = (sizeof TZDBNAMES_KEYS / sizeof TZDBNAMES_KEYS[0]);
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static UMutex gTZDBNamesMapLock = U_MUTEX_INITIALIZER;
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static UHashtable* gTZDBNamesMap = NULL;
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static icu::UInitOnce gTZDBNamesMapInitOnce = U_INITONCE_INITIALIZER;
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static TextTrieMap* gTZDBNamesTrie = NULL;
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static icu::UInitOnce gTZDBNamesTrieInitOnce = U_INITONCE_INITIALIZER;
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U_CDECL_BEGIN
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static UBool U_CALLCONV tzdbTimeZoneNames_cleanup(void) {
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if (gTZDBNamesMap != NULL) {
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uhash_close(gTZDBNamesMap);
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gTZDBNamesMap = NULL;
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}
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gTZDBNamesMapInitOnce.reset();
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if (gTZDBNamesTrie != NULL) {
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delete gTZDBNamesTrie;
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gTZDBNamesTrie = NULL;
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}
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gTZDBNamesTrieInitOnce.reset();
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return TRUE;
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}
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U_CDECL_END
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#define DEFAULT_CHARACTERNODE_CAPACITY 1
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// ---------------------------------------------------
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// CharacterNode class implementation
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// ---------------------------------------------------
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void CharacterNode::clear() {
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uprv_memset(this, 0, sizeof(*this));
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}
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void CharacterNode::deleteValues(UObjectDeleter *valueDeleter) {
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if (fValues == NULL) {
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// Do nothing.
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} else if (!fHasValuesVector) {
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if (valueDeleter) {
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valueDeleter(fValues);
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}
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} else {
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delete (UVector *)fValues;
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}
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}
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void
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CharacterNode::addValue(void *value, UObjectDeleter *valueDeleter, UErrorCode &status) {
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if (U_FAILURE(status)) {
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if (valueDeleter) {
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valueDeleter(value);
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}
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return;
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}
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if (fValues == NULL) {
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fValues = value;
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} else {
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// At least one value already.
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if (!fHasValuesVector) {
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// There is only one value so far, and not in a vector yet.
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// Create a vector and add the old value.
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UVector *values = new UVector(valueDeleter, NULL, DEFAULT_CHARACTERNODE_CAPACITY, status);
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if (U_FAILURE(status)) {
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if (valueDeleter) {
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valueDeleter(value);
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}
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return;
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}
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values->addElement(fValues, status);
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fValues = values;
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fHasValuesVector = TRUE;
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}
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// Add the new value.
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((UVector *)fValues)->addElement(value, status);
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}
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}
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// ---------------------------------------------------
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// TextTrieMapSearchResultHandler class implementation
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// ---------------------------------------------------
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TextTrieMapSearchResultHandler::~TextTrieMapSearchResultHandler(){
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}
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// ---------------------------------------------------
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// TextTrieMap class implementation
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// ---------------------------------------------------
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TextTrieMap::TextTrieMap(UBool ignoreCase, UObjectDeleter *valueDeleter)
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: fIgnoreCase(ignoreCase), fNodes(NULL), fNodesCapacity(0), fNodesCount(0),
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fLazyContents(NULL), fIsEmpty(TRUE), fValueDeleter(valueDeleter) {
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}
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TextTrieMap::~TextTrieMap() {
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int32_t index;
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for (index = 0; index < fNodesCount; ++index) {
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fNodes[index].deleteValues(fValueDeleter);
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}
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uprv_free(fNodes);
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if (fLazyContents != NULL) {
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for (int32_t i=0; i<fLazyContents->size(); i+=2) {
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if (fValueDeleter) {
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fValueDeleter(fLazyContents->elementAt(i+1));
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}
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}
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delete fLazyContents;
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}
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}
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int32_t TextTrieMap::isEmpty() const {
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// Use a separate field for fIsEmpty because it will remain unchanged once the
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// Trie is built, while fNodes and fLazyContents change with the lazy init
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// of the nodes structure. Trying to test the changing fields has
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// thread safety complications.
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return fIsEmpty;
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}
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// We defer actually building the TextTrieMap node structure until the first time a
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// search is performed. put() simply saves the parameters in case we do
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// eventually need to build it.
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//
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void
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TextTrieMap::put(const UnicodeString &key, void *value, ZNStringPool &sp, UErrorCode &status) {
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const UChar *s = sp.get(key, status);
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put(s, value, status);
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}
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// This method is for designed for a persistent key, such as string key stored in
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// resource bundle.
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void
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TextTrieMap::put(const UChar *key, void *value, UErrorCode &status) {
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fIsEmpty = FALSE;
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if (fLazyContents == NULL) {
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fLazyContents = new UVector(status);
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if (fLazyContents == NULL) {
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status = U_MEMORY_ALLOCATION_ERROR;
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}
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}
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if (U_FAILURE(status)) {
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return;
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}
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U_ASSERT(fLazyContents != NULL);
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UChar *s = const_cast<UChar *>(key);
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fLazyContents->addElement(s, status);
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fLazyContents->addElement(value, status);
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}
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void
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TextTrieMap::putImpl(const UnicodeString &key, void *value, UErrorCode &status) {
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if (fNodes == NULL) {
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fNodesCapacity = 512;
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fNodes = (CharacterNode *)uprv_malloc(fNodesCapacity * sizeof(CharacterNode));
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fNodes[0].clear(); // Init root node.
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fNodesCount = 1;
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}
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UnicodeString foldedKey;
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const UChar *keyBuffer;
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int32_t keyLength;
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if (fIgnoreCase) {
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// Ok to use fastCopyFrom() because we discard the copy when we return.
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foldedKey.fastCopyFrom(key).foldCase();
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keyBuffer = foldedKey.getBuffer();
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keyLength = foldedKey.length();
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} else {
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keyBuffer = key.getBuffer();
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keyLength = key.length();
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}
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CharacterNode *node = fNodes;
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int32_t index;
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for (index = 0; index < keyLength; ++index) {
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node = addChildNode(node, keyBuffer[index], status);
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}
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node->addValue(value, fValueDeleter, status);
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}
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UBool
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TextTrieMap::growNodes() {
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if (fNodesCapacity == 0xffff) {
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return FALSE; // We use 16-bit node indexes.
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}
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int32_t newCapacity = fNodesCapacity + 1000;
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if (newCapacity > 0xffff) {
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newCapacity = 0xffff;
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}
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CharacterNode *newNodes = (CharacterNode *)uprv_malloc(newCapacity * sizeof(CharacterNode));
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if (newNodes == NULL) {
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return FALSE;
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}
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uprv_memcpy(newNodes, fNodes, fNodesCount * sizeof(CharacterNode));
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uprv_free(fNodes);
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fNodes = newNodes;
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fNodesCapacity = newCapacity;
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return TRUE;
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}
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CharacterNode*
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TextTrieMap::addChildNode(CharacterNode *parent, UChar c, UErrorCode &status) {
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if (U_FAILURE(status)) {
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return NULL;
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}
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// Linear search of the sorted list of children.
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uint16_t prevIndex = 0;
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uint16_t nodeIndex = parent->fFirstChild;
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while (nodeIndex > 0) {
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CharacterNode *current = fNodes + nodeIndex;
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UChar childCharacter = current->fCharacter;
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if (childCharacter == c) {
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return current;
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} else if (childCharacter > c) {
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break;
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}
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prevIndex = nodeIndex;
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nodeIndex = current->fNextSibling;
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}
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// Ensure capacity. Grow fNodes[] if needed.
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if (fNodesCount == fNodesCapacity) {
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int32_t parentIndex = (int32_t)(parent - fNodes);
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if (!growNodes()) {
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status = U_MEMORY_ALLOCATION_ERROR;
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return NULL;
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}
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parent = fNodes + parentIndex;
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}
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// Insert a new child node with c in sorted order.
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CharacterNode *node = fNodes + fNodesCount;
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node->clear();
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node->fCharacter = c;
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node->fNextSibling = nodeIndex;
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if (prevIndex == 0) {
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parent->fFirstChild = (uint16_t)fNodesCount;
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} else {
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fNodes[prevIndex].fNextSibling = (uint16_t)fNodesCount;
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}
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++fNodesCount;
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return node;
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}
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CharacterNode*
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TextTrieMap::getChildNode(CharacterNode *parent, UChar c) const {
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// Linear search of the sorted list of children.
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uint16_t nodeIndex = parent->fFirstChild;
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while (nodeIndex > 0) {
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CharacterNode *current = fNodes + nodeIndex;
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UChar childCharacter = current->fCharacter;
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if (childCharacter == c) {
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return current;
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} else if (childCharacter > c) {
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break;
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}
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nodeIndex = current->fNextSibling;
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}
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return NULL;
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}
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// Mutex for protecting the lazy creation of the Trie node structure on the first call to search().
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static UMutex TextTrieMutex = U_MUTEX_INITIALIZER;
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// buildTrie() - The Trie node structure is needed. Create it from the data that was
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// saved at the time the ZoneStringFormatter was created. The Trie is only
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// needed for parsing operations, which are less common than formatting,
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// and the Trie is big, which is why its creation is deferred until first use.
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void TextTrieMap::buildTrie(UErrorCode &status) {
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if (fLazyContents != NULL) {
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for (int32_t i=0; i<fLazyContents->size(); i+=2) {
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const UChar *key = (UChar *)fLazyContents->elementAt(i);
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void *val = fLazyContents->elementAt(i+1);
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UnicodeString keyString(TRUE, key, -1); // Aliasing UnicodeString constructor.
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putImpl(keyString, val, status);
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}
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delete fLazyContents;
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fLazyContents = NULL;
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}
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}
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void
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TextTrieMap::search(const UnicodeString &text, int32_t start,
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TextTrieMapSearchResultHandler *handler, UErrorCode &status) const {
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{
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// TODO: if locking the mutex for each check proves to be a performance problem,
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// add a flag of type atomic_int32_t to class TextTrieMap, and use only
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// the ICU atomic safe functions for assigning and testing.
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// Don't test the pointer fLazyContents.
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// Don't do unless it's really required.
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Mutex lock(&TextTrieMutex);
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if (fLazyContents != NULL) {
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TextTrieMap *nonConstThis = const_cast<TextTrieMap *>(this);
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nonConstThis->buildTrie(status);
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}
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}
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if (fNodes == NULL) {
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return;
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}
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search(fNodes, text, start, start, handler, status);
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}
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void
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TextTrieMap::search(CharacterNode *node, const UnicodeString &text, int32_t start,
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int32_t index, TextTrieMapSearchResultHandler *handler, UErrorCode &status) const {
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if (U_FAILURE(status)) {
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return;
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}
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if (node->hasValues()) {
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if (!handler->handleMatch(index - start, node, status)) {
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return;
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}
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if (U_FAILURE(status)) {
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return;
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}
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}
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UChar32 c = text.char32At(index);
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if (fIgnoreCase) {
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// size of character may grow after fold operation
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UnicodeString tmp(c);
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tmp.foldCase();
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int32_t tmpidx = 0;
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while (tmpidx < tmp.length()) {
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c = tmp.char32At(tmpidx);
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node = getChildNode(node, c);
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if (node == NULL) {
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break;
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}
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tmpidx = tmp.moveIndex32(tmpidx, 1);
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}
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} else {
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node = getChildNode(node, c);
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}
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if (node != NULL) {
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search(node, text, start, index+1, handler, status);
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}
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}
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// ---------------------------------------------------
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// ZNStringPool class implementation
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// ---------------------------------------------------
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static const int32_t POOL_CHUNK_SIZE = 2000;
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struct ZNStringPoolChunk: public UMemory {
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ZNStringPoolChunk *fNext; // Ptr to next pool chunk
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int32_t fLimit; // Index to start of unused area at end of fStrings
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UChar fStrings[POOL_CHUNK_SIZE]; // Strings array
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ZNStringPoolChunk();
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};
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ZNStringPoolChunk::ZNStringPoolChunk() {
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fNext = NULL;
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fLimit = 0;
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}
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ZNStringPool::ZNStringPool(UErrorCode &status) {
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fChunks = NULL;
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fHash = NULL;
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if (U_FAILURE(status)) {
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return;
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}
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fChunks = new ZNStringPoolChunk;
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if (fChunks == NULL) {
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status = U_MEMORY_ALLOCATION_ERROR;
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return;
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}
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fHash = uhash_open(uhash_hashUChars /* keyHash */,
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uhash_compareUChars /* keyComp */,
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uhash_compareUChars /* valueComp */,
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&status);
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if (U_FAILURE(status)) {
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return;
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}
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}
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ZNStringPool::~ZNStringPool() {
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if (fHash != NULL) {
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uhash_close(fHash);
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fHash = NULL;
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}
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while (fChunks != NULL) {
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ZNStringPoolChunk *nextChunk = fChunks->fNext;
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delete fChunks;
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fChunks = nextChunk;
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}
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}
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static const UChar EmptyString = 0;
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const UChar *ZNStringPool::get(const UChar *s, UErrorCode &status) {
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const UChar *pooledString;
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if (U_FAILURE(status)) {
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return &EmptyString;
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}
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pooledString = static_cast<UChar *>(uhash_get(fHash, s));
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if (pooledString != NULL) {
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return pooledString;
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}
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int32_t length = u_strlen(s);
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int32_t remainingLength = POOL_CHUNK_SIZE - fChunks->fLimit;
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if (remainingLength <= length) {
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U_ASSERT(length < POOL_CHUNK_SIZE);
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if (length >= POOL_CHUNK_SIZE) {
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status = U_INTERNAL_PROGRAM_ERROR;
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return &EmptyString;
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}
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ZNStringPoolChunk *oldChunk = fChunks;
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fChunks = new ZNStringPoolChunk;
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if (fChunks == NULL) {
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status = U_MEMORY_ALLOCATION_ERROR;
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return &EmptyString;
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}
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fChunks->fNext = oldChunk;
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}
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UChar *destString = &fChunks->fStrings[fChunks->fLimit];
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u_strcpy(destString, s);
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fChunks->fLimit += (length + 1);
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uhash_put(fHash, destString, destString, &status);
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return destString;
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}
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//
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// ZNStringPool::adopt() Put a string into the hash, but do not copy the string data
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// into the pool's storage. Used for strings from resource bundles,
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// which will perisist for the life of the zone string formatter, and
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// therefore can be used directly without copying.
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const UChar *ZNStringPool::adopt(const UChar * s, UErrorCode &status) {
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const UChar *pooledString;
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if (U_FAILURE(status)) {
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return &EmptyString;
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}
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if (s != NULL) {
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pooledString = static_cast<UChar *>(uhash_get(fHash, s));
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if (pooledString == NULL) {
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UChar *ncs = const_cast<UChar *>(s);
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uhash_put(fHash, ncs, ncs, &status);
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}
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}
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return s;
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}
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const UChar *ZNStringPool::get(const UnicodeString &s, UErrorCode &status) {
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UnicodeString &nonConstStr = const_cast<UnicodeString &>(s);
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return this->get(nonConstStr.getTerminatedBuffer(), status);
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}
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/*
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* freeze(). Close the hash table that maps to the pooled strings.
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* After freezing, the pool can not be searched or added to,
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* but all existing references to pooled strings remain valid.
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*
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* The main purpose is to recover the storage used for the hash.
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*/
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void ZNStringPool::freeze() {
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uhash_close(fHash);
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fHash = NULL;
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}
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// ---------------------------------------------------
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// ZNames - names common for time zone and meta zone
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// ---------------------------------------------------
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|
class ZNames : public UMemory {
|
|
public:
|
|
virtual ~ZNames();
|
|
|
|
static ZNames* createInstance(UResourceBundle* rb, const char* key);
|
|
virtual const UChar* getName(UTimeZoneNameType type);
|
|
|
|
protected:
|
|
ZNames(const UChar** names);
|
|
static const UChar** loadData(UResourceBundle* rb, const char* key);
|
|
|
|
private:
|
|
const UChar** fNames;
|
|
};
|
|
|
|
ZNames::ZNames(const UChar** names)
|
|
: fNames(names) {
|
|
}
|
|
|
|
ZNames::~ZNames() {
|
|
if (fNames != NULL) {
|
|
uprv_free(fNames);
|
|
}
|
|
}
|
|
|
|
ZNames*
|
|
ZNames::createInstance(UResourceBundle* rb, const char* key) {
|
|
const UChar** names = loadData(rb, key);
|
|
if (names == NULL) {
|
|
// No names data available
|
|
return NULL;
|
|
}
|
|
return new ZNames(names);
|
|
}
|
|
|
|
const UChar*
|
|
ZNames::getName(UTimeZoneNameType type) {
|
|
if (fNames == NULL) {
|
|
return NULL;
|
|
}
|
|
const UChar *name = NULL;
|
|
switch(type) {
|
|
case UTZNM_LONG_GENERIC:
|
|
name = fNames[0];
|
|
break;
|
|
case UTZNM_LONG_STANDARD:
|
|
name = fNames[1];
|
|
break;
|
|
case UTZNM_LONG_DAYLIGHT:
|
|
name = fNames[2];
|
|
break;
|
|
case UTZNM_SHORT_GENERIC:
|
|
name = fNames[3];
|
|
break;
|
|
case UTZNM_SHORT_STANDARD:
|
|
name = fNames[4];
|
|
break;
|
|
case UTZNM_SHORT_DAYLIGHT:
|
|
name = fNames[5];
|
|
break;
|
|
case UTZNM_EXEMPLAR_LOCATION: // implemeted by subclass
|
|
default:
|
|
name = NULL;
|
|
}
|
|
return name;
|
|
}
|
|
|
|
const UChar**
|
|
ZNames::loadData(UResourceBundle* rb, const char* key) {
|
|
if (rb == NULL || key == NULL || *key == 0) {
|
|
return NULL;
|
|
}
|
|
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
const UChar **names = NULL;
|
|
|
|
UResourceBundle* rbTable = NULL;
|
|
rbTable = ures_getByKeyWithFallback(rb, key, rbTable, &status);
|
|
if (U_SUCCESS(status)) {
|
|
names = (const UChar **)uprv_malloc(sizeof(const UChar*) * KEYS_SIZE);
|
|
if (names != NULL) {
|
|
UBool isEmpty = TRUE;
|
|
for (int32_t i = 0; i < KEYS_SIZE; i++) {
|
|
status = U_ZERO_ERROR;
|
|
int32_t len = 0;
|
|
const UChar *value = ures_getStringByKeyWithFallback(rbTable, KEYS[i], &len, &status);
|
|
if (U_FAILURE(status) || len == 0) {
|
|
names[i] = NULL;
|
|
} else {
|
|
names[i] = value;
|
|
isEmpty = FALSE;
|
|
}
|
|
}
|
|
if (isEmpty) {
|
|
// No need to keep the names array
|
|
uprv_free(names);
|
|
names = NULL;
|
|
}
|
|
}
|
|
}
|
|
ures_close(rbTable);
|
|
return names;
|
|
}
|
|
|
|
// ---------------------------------------------------
|
|
// TZNames - names for a time zone
|
|
// ---------------------------------------------------
|
|
class TZNames : public ZNames {
|
|
public:
|
|
virtual ~TZNames();
|
|
|
|
static TZNames* createInstance(UResourceBundle* rb, const char* key, const UnicodeString& tzID);
|
|
virtual const UChar* getName(UTimeZoneNameType type);
|
|
|
|
private:
|
|
TZNames(const UChar** names);
|
|
const UChar* fLocationName;
|
|
UChar* fLocationNameOwned;
|
|
};
|
|
|
|
TZNames::TZNames(const UChar** names)
|
|
: ZNames(names), fLocationName(NULL), fLocationNameOwned(NULL) {
|
|
}
|
|
|
|
TZNames::~TZNames() {
|
|
if (fLocationNameOwned) {
|
|
uprv_free(fLocationNameOwned);
|
|
}
|
|
}
|
|
|
|
const UChar*
|
|
TZNames::getName(UTimeZoneNameType type) {
|
|
if (type == UTZNM_EXEMPLAR_LOCATION) {
|
|
return fLocationName;
|
|
}
|
|
return ZNames::getName(type);
|
|
}
|
|
|
|
TZNames*
|
|
TZNames::createInstance(UResourceBundle* rb, const char* key, const UnicodeString& tzID) {
|
|
if (rb == NULL || key == NULL || *key == 0) {
|
|
return NULL;
|
|
}
|
|
|
|
const UChar** names = loadData(rb, key);
|
|
const UChar* locationName = NULL;
|
|
UChar* locationNameOwned = NULL;
|
|
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
int32_t len = 0;
|
|
|
|
UResourceBundle* table = ures_getByKeyWithFallback(rb, key, NULL, &status);
|
|
locationName = ures_getStringByKeyWithFallback(table, gEcTag, &len, &status);
|
|
// ignore missing resource here
|
|
status = U_ZERO_ERROR;
|
|
|
|
ures_close(table);
|
|
|
|
if (locationName == NULL) {
|
|
UnicodeString tmpName;
|
|
int32_t tmpNameLen = 0;
|
|
TimeZoneNamesImpl::getDefaultExemplarLocationName(tzID, tmpName);
|
|
tmpNameLen = tmpName.length();
|
|
|
|
if (tmpNameLen > 0) {
|
|
locationNameOwned = (UChar*) uprv_malloc(sizeof(UChar) * (tmpNameLen + 1));
|
|
if (locationNameOwned) {
|
|
tmpName.extract(locationNameOwned, tmpNameLen + 1, status);
|
|
locationName = locationNameOwned;
|
|
}
|
|
}
|
|
}
|
|
|
|
TZNames* tznames = NULL;
|
|
if (locationName != NULL || names != NULL) {
|
|
tznames = new TZNames(names);
|
|
if (tznames == NULL) {
|
|
if (locationNameOwned) {
|
|
uprv_free(locationNameOwned);
|
|
}
|
|
}
|
|
tznames->fLocationName = locationName;
|
|
tznames->fLocationNameOwned = locationNameOwned;
|
|
}
|
|
|
|
return tznames;
|
|
}
|
|
|
|
// ---------------------------------------------------
|
|
// The meta zone ID enumeration class
|
|
// ---------------------------------------------------
|
|
class MetaZoneIDsEnumeration : public StringEnumeration {
|
|
public:
|
|
MetaZoneIDsEnumeration();
|
|
MetaZoneIDsEnumeration(const UVector& mzIDs);
|
|
MetaZoneIDsEnumeration(UVector* mzIDs);
|
|
virtual ~MetaZoneIDsEnumeration();
|
|
static UClassID U_EXPORT2 getStaticClassID(void);
|
|
virtual UClassID getDynamicClassID(void) const;
|
|
virtual const UnicodeString* snext(UErrorCode& status);
|
|
virtual void reset(UErrorCode& status);
|
|
virtual int32_t count(UErrorCode& status) const;
|
|
private:
|
|
int32_t fLen;
|
|
int32_t fPos;
|
|
const UVector* fMetaZoneIDs;
|
|
UVector *fLocalVector;
|
|
};
|
|
|
|
UOBJECT_DEFINE_RTTI_IMPLEMENTATION(MetaZoneIDsEnumeration)
|
|
|
|
MetaZoneIDsEnumeration::MetaZoneIDsEnumeration()
|
|
: fLen(0), fPos(0), fMetaZoneIDs(NULL), fLocalVector(NULL) {
|
|
}
|
|
|
|
MetaZoneIDsEnumeration::MetaZoneIDsEnumeration(const UVector& mzIDs)
|
|
: fPos(0), fMetaZoneIDs(&mzIDs), fLocalVector(NULL) {
|
|
fLen = fMetaZoneIDs->size();
|
|
}
|
|
|
|
MetaZoneIDsEnumeration::MetaZoneIDsEnumeration(UVector *mzIDs)
|
|
: fLen(0), fPos(0), fMetaZoneIDs(mzIDs), fLocalVector(mzIDs) {
|
|
if (fMetaZoneIDs) {
|
|
fLen = fMetaZoneIDs->size();
|
|
}
|
|
}
|
|
|
|
const UnicodeString*
|
|
MetaZoneIDsEnumeration::snext(UErrorCode& status) {
|
|
if (U_SUCCESS(status) && fMetaZoneIDs != NULL && fPos < fLen) {
|
|
unistr.setTo((const UChar*)fMetaZoneIDs->elementAt(fPos++), -1);
|
|
return &unistr;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
void
|
|
MetaZoneIDsEnumeration::reset(UErrorCode& /*status*/) {
|
|
fPos = 0;
|
|
}
|
|
|
|
int32_t
|
|
MetaZoneIDsEnumeration::count(UErrorCode& /*status*/) const {
|
|
return fLen;
|
|
}
|
|
|
|
MetaZoneIDsEnumeration::~MetaZoneIDsEnumeration() {
|
|
if (fLocalVector) {
|
|
delete fLocalVector;
|
|
}
|
|
}
|
|
|
|
U_CDECL_BEGIN
|
|
/**
|
|
* ZNameInfo stores zone name information in the trie
|
|
*/
|
|
typedef struct ZNameInfo {
|
|
UTimeZoneNameType type;
|
|
const UChar* tzID;
|
|
const UChar* mzID;
|
|
} ZNameInfo;
|
|
|
|
/**
|
|
* ZMatchInfo stores zone name match information used by find method
|
|
*/
|
|
typedef struct ZMatchInfo {
|
|
const ZNameInfo* znameInfo;
|
|
int32_t matchLength;
|
|
} ZMatchInfo;
|
|
U_CDECL_END
|
|
|
|
|
|
// ---------------------------------------------------
|
|
// ZNameSearchHandler
|
|
// ---------------------------------------------------
|
|
class ZNameSearchHandler : public TextTrieMapSearchResultHandler {
|
|
public:
|
|
ZNameSearchHandler(uint32_t types);
|
|
virtual ~ZNameSearchHandler();
|
|
|
|
UBool handleMatch(int32_t matchLength, const CharacterNode *node, UErrorCode &status);
|
|
TimeZoneNames::MatchInfoCollection* getMatches(int32_t& maxMatchLen);
|
|
|
|
private:
|
|
uint32_t fTypes;
|
|
int32_t fMaxMatchLen;
|
|
TimeZoneNames::MatchInfoCollection* fResults;
|
|
};
|
|
|
|
ZNameSearchHandler::ZNameSearchHandler(uint32_t types)
|
|
: fTypes(types), fMaxMatchLen(0), fResults(NULL) {
|
|
}
|
|
|
|
ZNameSearchHandler::~ZNameSearchHandler() {
|
|
if (fResults != NULL) {
|
|
delete fResults;
|
|
}
|
|
}
|
|
|
|
UBool
|
|
ZNameSearchHandler::handleMatch(int32_t matchLength, const CharacterNode *node, UErrorCode &status) {
|
|
if (U_FAILURE(status)) {
|
|
return FALSE;
|
|
}
|
|
if (node->hasValues()) {
|
|
int32_t valuesCount = node->countValues();
|
|
for (int32_t i = 0; i < valuesCount; i++) {
|
|
ZNameInfo *nameinfo = (ZNameInfo *)node->getValue(i);
|
|
if (nameinfo == NULL) {
|
|
continue;
|
|
}
|
|
if ((nameinfo->type & fTypes) != 0) {
|
|
// matches a requested type
|
|
if (fResults == NULL) {
|
|
fResults = new TimeZoneNames::MatchInfoCollection();
|
|
if (fResults == NULL) {
|
|
status = U_MEMORY_ALLOCATION_ERROR;
|
|
}
|
|
}
|
|
if (U_SUCCESS(status)) {
|
|
U_ASSERT(fResults != NULL);
|
|
if (nameinfo->tzID) {
|
|
fResults->addZone(nameinfo->type, matchLength, UnicodeString(nameinfo->tzID, -1), status);
|
|
} else {
|
|
U_ASSERT(nameinfo->mzID);
|
|
fResults->addMetaZone(nameinfo->type, matchLength, UnicodeString(nameinfo->mzID, -1), status);
|
|
}
|
|
if (U_SUCCESS(status) && matchLength > fMaxMatchLen) {
|
|
fMaxMatchLen = matchLength;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
TimeZoneNames::MatchInfoCollection*
|
|
ZNameSearchHandler::getMatches(int32_t& maxMatchLen) {
|
|
// give the ownership to the caller
|
|
TimeZoneNames::MatchInfoCollection* results = fResults;
|
|
maxMatchLen = fMaxMatchLen;
|
|
|
|
// reset
|
|
fResults = NULL;
|
|
fMaxMatchLen = 0;
|
|
return results;
|
|
}
|
|
|
|
// ---------------------------------------------------
|
|
// TimeZoneNamesImpl
|
|
//
|
|
// TimeZoneNames implementation class. This is the main
|
|
// part of this module.
|
|
// ---------------------------------------------------
|
|
|
|
U_CDECL_BEGIN
|
|
/**
|
|
* Deleter for ZNames
|
|
*/
|
|
static void U_CALLCONV
|
|
deleteZNames(void *obj) {
|
|
if (obj != EMPTY) {
|
|
delete (ZNames *)obj;
|
|
}
|
|
}
|
|
/**
|
|
* Deleter for TZNames
|
|
*/
|
|
static void U_CALLCONV
|
|
deleteTZNames(void *obj) {
|
|
if (obj != EMPTY) {
|
|
delete (TZNames *)obj;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Deleter for ZNameInfo
|
|
*/
|
|
static void U_CALLCONV
|
|
deleteZNameInfo(void *obj) {
|
|
uprv_free(obj);
|
|
}
|
|
|
|
U_CDECL_END
|
|
|
|
static UMutex gLock = U_MUTEX_INITIALIZER;
|
|
|
|
TimeZoneNamesImpl::TimeZoneNamesImpl(const Locale& locale, UErrorCode& status)
|
|
: fLocale(locale),
|
|
fZoneStrings(NULL),
|
|
fTZNamesMap(NULL),
|
|
fMZNamesMap(NULL),
|
|
fNamesTrieFullyLoaded(FALSE),
|
|
fNamesTrie(TRUE, deleteZNameInfo) {
|
|
initialize(locale, status);
|
|
}
|
|
|
|
void
|
|
TimeZoneNamesImpl::initialize(const Locale& locale, UErrorCode& status) {
|
|
if (U_FAILURE(status)) {
|
|
return;
|
|
}
|
|
|
|
// Load zoneStrings bundle
|
|
UErrorCode tmpsts = U_ZERO_ERROR; // OK with fallback warning..
|
|
fZoneStrings = ures_open(U_ICUDATA_ZONE, locale.getName(), &tmpsts);
|
|
fZoneStrings = ures_getByKeyWithFallback(fZoneStrings, gZoneStrings, fZoneStrings, &tmpsts);
|
|
if (U_FAILURE(tmpsts)) {
|
|
status = tmpsts;
|
|
cleanup();
|
|
return;
|
|
}
|
|
|
|
// Initialize hashtables holding time zone/meta zone names
|
|
fMZNamesMap = uhash_open(uhash_hashUChars, uhash_compareUChars, NULL, &status);
|
|
fTZNamesMap = uhash_open(uhash_hashUChars, uhash_compareUChars, NULL, &status);
|
|
if (U_FAILURE(status)) {
|
|
cleanup();
|
|
return;
|
|
}
|
|
|
|
uhash_setValueDeleter(fMZNamesMap, deleteZNames);
|
|
uhash_setValueDeleter(fTZNamesMap, deleteTZNames);
|
|
// no key deleters for name maps
|
|
|
|
// preload zone strings for the default zone
|
|
TimeZone *tz = TimeZone::createDefault();
|
|
const UChar *tzID = ZoneMeta::getCanonicalCLDRID(*tz);
|
|
if (tzID != NULL) {
|
|
loadStrings(UnicodeString(tzID));
|
|
}
|
|
delete tz;
|
|
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* This method updates the cache and must be called with a lock,
|
|
* except initializer.
|
|
*/
|
|
void
|
|
TimeZoneNamesImpl::loadStrings(const UnicodeString& tzCanonicalID) {
|
|
loadTimeZoneNames(tzCanonicalID);
|
|
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
StringEnumeration *mzIDs = getAvailableMetaZoneIDs(tzCanonicalID, status);
|
|
if (U_SUCCESS(status) && mzIDs != NULL) {
|
|
const UnicodeString *mzID;
|
|
while ((mzID = mzIDs->snext(status))) {
|
|
if (U_FAILURE(status)) {
|
|
break;
|
|
}
|
|
loadMetaZoneNames(*mzID);
|
|
}
|
|
delete mzIDs;
|
|
}
|
|
}
|
|
|
|
TimeZoneNamesImpl::~TimeZoneNamesImpl() {
|
|
cleanup();
|
|
}
|
|
|
|
void
|
|
TimeZoneNamesImpl::cleanup() {
|
|
if (fZoneStrings != NULL) {
|
|
ures_close(fZoneStrings);
|
|
fZoneStrings = NULL;
|
|
}
|
|
if (fMZNamesMap != NULL) {
|
|
uhash_close(fMZNamesMap);
|
|
fMZNamesMap = NULL;
|
|
}
|
|
if (fTZNamesMap != NULL) {
|
|
uhash_close(fTZNamesMap);
|
|
fTZNamesMap = NULL;
|
|
}
|
|
}
|
|
|
|
UBool
|
|
TimeZoneNamesImpl::operator==(const TimeZoneNames& other) const {
|
|
if (this == &other) {
|
|
return TRUE;
|
|
}
|
|
// No implementation for now
|
|
return FALSE;
|
|
}
|
|
|
|
TimeZoneNames*
|
|
TimeZoneNamesImpl::clone() const {
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
return new TimeZoneNamesImpl(fLocale, status);
|
|
}
|
|
|
|
StringEnumeration*
|
|
TimeZoneNamesImpl::getAvailableMetaZoneIDs(UErrorCode& status) const {
|
|
return TimeZoneNamesImpl::_getAvailableMetaZoneIDs(status);
|
|
}
|
|
|
|
// static implementation of getAvailableMetaZoneIDs(UErrorCode&)
|
|
StringEnumeration*
|
|
TimeZoneNamesImpl::_getAvailableMetaZoneIDs(UErrorCode& status) {
|
|
if (U_FAILURE(status)) {
|
|
return NULL;
|
|
}
|
|
const UVector* mzIDs = ZoneMeta::getAvailableMetazoneIDs();
|
|
if (mzIDs == NULL) {
|
|
return new MetaZoneIDsEnumeration();
|
|
}
|
|
return new MetaZoneIDsEnumeration(*mzIDs);
|
|
}
|
|
|
|
StringEnumeration*
|
|
TimeZoneNamesImpl::getAvailableMetaZoneIDs(const UnicodeString& tzID, UErrorCode& status) const {
|
|
return TimeZoneNamesImpl::_getAvailableMetaZoneIDs(tzID, status);
|
|
}
|
|
|
|
// static implementation of getAvailableMetaZoneIDs(const UnicodeString&, UErrorCode&)
|
|
StringEnumeration*
|
|
TimeZoneNamesImpl::_getAvailableMetaZoneIDs(const UnicodeString& tzID, UErrorCode& status) {
|
|
if (U_FAILURE(status)) {
|
|
return NULL;
|
|
}
|
|
const UVector* mappings = ZoneMeta::getMetazoneMappings(tzID);
|
|
if (mappings == NULL) {
|
|
return new MetaZoneIDsEnumeration();
|
|
}
|
|
|
|
MetaZoneIDsEnumeration *senum = NULL;
|
|
UVector* mzIDs = new UVector(NULL, uhash_compareUChars, status);
|
|
if (mzIDs == NULL) {
|
|
status = U_MEMORY_ALLOCATION_ERROR;
|
|
}
|
|
if (U_SUCCESS(status)) {
|
|
U_ASSERT(mzIDs != NULL);
|
|
for (int32_t i = 0; U_SUCCESS(status) && i < mappings->size(); i++) {
|
|
|
|
OlsonToMetaMappingEntry *map = (OlsonToMetaMappingEntry *)mappings->elementAt(i);
|
|
const UChar *mzID = map->mzid;
|
|
if (!mzIDs->contains((void *)mzID)) {
|
|
mzIDs->addElement((void *)mzID, status);
|
|
}
|
|
}
|
|
if (U_SUCCESS(status)) {
|
|
senum = new MetaZoneIDsEnumeration(mzIDs);
|
|
} else {
|
|
delete mzIDs;
|
|
}
|
|
}
|
|
return senum;
|
|
}
|
|
|
|
UnicodeString&
|
|
TimeZoneNamesImpl::getMetaZoneID(const UnicodeString& tzID, UDate date, UnicodeString& mzID) const {
|
|
return TimeZoneNamesImpl::_getMetaZoneID(tzID, date, mzID);
|
|
}
|
|
|
|
// static implementation of getMetaZoneID
|
|
UnicodeString&
|
|
TimeZoneNamesImpl::_getMetaZoneID(const UnicodeString& tzID, UDate date, UnicodeString& mzID) {
|
|
ZoneMeta::getMetazoneID(tzID, date, mzID);
|
|
return mzID;
|
|
}
|
|
|
|
UnicodeString&
|
|
TimeZoneNamesImpl::getReferenceZoneID(const UnicodeString& mzID, const char* region, UnicodeString& tzID) const {
|
|
return TimeZoneNamesImpl::_getReferenceZoneID(mzID, region, tzID);
|
|
}
|
|
|
|
// static implementaion of getReferenceZoneID
|
|
UnicodeString&
|
|
TimeZoneNamesImpl::_getReferenceZoneID(const UnicodeString& mzID, const char* region, UnicodeString& tzID) {
|
|
ZoneMeta::getZoneIdByMetazone(mzID, UnicodeString(region, -1, US_INV), tzID);
|
|
return tzID;
|
|
}
|
|
|
|
|
|
UnicodeString&
|
|
TimeZoneNamesImpl::getMetaZoneDisplayName(const UnicodeString& mzID,
|
|
UTimeZoneNameType type,
|
|
UnicodeString& name) const {
|
|
name.setToBogus(); // cleanup result.
|
|
if (mzID.isEmpty()) {
|
|
return name;
|
|
}
|
|
|
|
ZNames *znames = NULL;
|
|
TimeZoneNamesImpl *nonConstThis = const_cast<TimeZoneNamesImpl *>(this);
|
|
|
|
umtx_lock(&gLock);
|
|
{
|
|
znames = nonConstThis->loadMetaZoneNames(mzID);
|
|
}
|
|
umtx_unlock(&gLock);
|
|
|
|
if (znames != NULL) {
|
|
const UChar* s = znames->getName(type);
|
|
if (s != NULL) {
|
|
name.setTo(TRUE, s, -1);
|
|
}
|
|
}
|
|
return name;
|
|
}
|
|
|
|
UnicodeString&
|
|
TimeZoneNamesImpl::getTimeZoneDisplayName(const UnicodeString& tzID, UTimeZoneNameType type, UnicodeString& name) const {
|
|
name.setToBogus(); // cleanup result.
|
|
if (tzID.isEmpty()) {
|
|
return name;
|
|
}
|
|
|
|
TZNames *tznames = NULL;
|
|
TimeZoneNamesImpl *nonConstThis = const_cast<TimeZoneNamesImpl *>(this);
|
|
|
|
umtx_lock(&gLock);
|
|
{
|
|
tznames = nonConstThis->loadTimeZoneNames(tzID);
|
|
}
|
|
umtx_unlock(&gLock);
|
|
|
|
if (tznames != NULL) {
|
|
const UChar *s = tznames->getName(type);
|
|
if (s != NULL) {
|
|
name.setTo(TRUE, s, -1);
|
|
}
|
|
}
|
|
return name;
|
|
}
|
|
|
|
UnicodeString&
|
|
TimeZoneNamesImpl::getExemplarLocationName(const UnicodeString& tzID, UnicodeString& name) const {
|
|
name.setToBogus(); // cleanup result.
|
|
const UChar* locName = NULL;
|
|
TZNames *tznames = NULL;
|
|
TimeZoneNamesImpl *nonConstThis = const_cast<TimeZoneNamesImpl *>(this);
|
|
|
|
umtx_lock(&gLock);
|
|
{
|
|
tznames = nonConstThis->loadTimeZoneNames(tzID);
|
|
}
|
|
umtx_unlock(&gLock);
|
|
|
|
if (tznames != NULL) {
|
|
locName = tznames->getName(UTZNM_EXEMPLAR_LOCATION);
|
|
}
|
|
if (locName != NULL) {
|
|
name.setTo(TRUE, locName, -1);
|
|
}
|
|
|
|
return name;
|
|
}
|
|
|
|
|
|
// Merge the MZ_PREFIX and mzId
|
|
static void mergeTimeZoneKey(const UnicodeString& mzID, char* result) {
|
|
if (mzID.isEmpty()) {
|
|
result[0] = '\0';
|
|
return;
|
|
}
|
|
|
|
char mzIdChar[ZID_KEY_MAX + 1];
|
|
int32_t keyLen;
|
|
int32_t prefixLen = uprv_strlen(gMZPrefix);
|
|
keyLen = mzID.extract(0, mzID.length(), mzIdChar, ZID_KEY_MAX + 1, US_INV);
|
|
uprv_memcpy((void *)result, (void *)gMZPrefix, prefixLen);
|
|
uprv_memcpy((void *)(result + prefixLen), (void *)mzIdChar, keyLen);
|
|
result[keyLen + prefixLen] = '\0';
|
|
}
|
|
|
|
/*
|
|
* This method updates the cache and must be called with a lock
|
|
*/
|
|
ZNames*
|
|
TimeZoneNamesImpl::loadMetaZoneNames(const UnicodeString& mzID) {
|
|
if (mzID.length() > (ZID_KEY_MAX - MZ_PREFIX_LEN)) {
|
|
return NULL;
|
|
}
|
|
|
|
ZNames *znames = NULL;
|
|
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
UChar mzIDKey[ZID_KEY_MAX + 1];
|
|
mzID.extract(mzIDKey, ZID_KEY_MAX + 1, status);
|
|
U_ASSERT(status == U_ZERO_ERROR); // already checked length above
|
|
mzIDKey[mzID.length()] = 0;
|
|
|
|
void *cacheVal = uhash_get(fMZNamesMap, mzIDKey);
|
|
if (cacheVal == NULL) {
|
|
char key[ZID_KEY_MAX + 1];
|
|
mergeTimeZoneKey(mzID, key);
|
|
znames = ZNames::createInstance(fZoneStrings, key);
|
|
|
|
if (znames == NULL) {
|
|
cacheVal = (void *)EMPTY;
|
|
} else {
|
|
cacheVal = znames;
|
|
}
|
|
// Use the persistent ID as the resource key, so we can
|
|
// avoid duplications.
|
|
const UChar* newKey = ZoneMeta::findMetaZoneID(mzID);
|
|
if (newKey != NULL) {
|
|
uhash_put(fMZNamesMap, (void *)newKey, cacheVal, &status);
|
|
if (U_FAILURE(status)) {
|
|
if (znames != NULL) {
|
|
delete znames;
|
|
znames = NULL;
|
|
}
|
|
} else if (znames != NULL) {
|
|
// put the name info into the trie
|
|
for (int32_t i = 0; ALL_NAME_TYPES[i] != UTZNM_UNKNOWN; i++) {
|
|
const UChar* name = znames->getName(ALL_NAME_TYPES[i]);
|
|
if (name != NULL) {
|
|
ZNameInfo *nameinfo = (ZNameInfo *)uprv_malloc(sizeof(ZNameInfo));
|
|
if (nameinfo != NULL) {
|
|
nameinfo->type = ALL_NAME_TYPES[i];
|
|
nameinfo->tzID = NULL;
|
|
nameinfo->mzID = newKey;
|
|
fNamesTrie.put(name, nameinfo, status);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
} else {
|
|
// Should never happen with a valid input
|
|
if (znames != NULL) {
|
|
// It's not possible that we get a valid ZNames with unknown ID.
|
|
// But just in case..
|
|
delete znames;
|
|
znames = NULL;
|
|
}
|
|
}
|
|
} else if (cacheVal != EMPTY) {
|
|
znames = (ZNames *)cacheVal;
|
|
}
|
|
|
|
return znames;
|
|
}
|
|
|
|
/*
|
|
* This method updates the cache and must be called with a lock
|
|
*/
|
|
TZNames*
|
|
TimeZoneNamesImpl::loadTimeZoneNames(const UnicodeString& tzID) {
|
|
if (tzID.length() > ZID_KEY_MAX) {
|
|
return NULL;
|
|
}
|
|
|
|
TZNames *tznames = NULL;
|
|
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
UChar tzIDKey[ZID_KEY_MAX + 1];
|
|
int32_t tzIDKeyLen = tzID.extract(tzIDKey, ZID_KEY_MAX + 1, status);
|
|
U_ASSERT(status == U_ZERO_ERROR); // already checked length above
|
|
tzIDKey[tzIDKeyLen] = 0;
|
|
|
|
void *cacheVal = uhash_get(fTZNamesMap, tzIDKey);
|
|
if (cacheVal == NULL) {
|
|
char key[ZID_KEY_MAX + 1];
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
// Replace "/" with ":".
|
|
UnicodeString uKey(tzID);
|
|
for (int32_t i = 0; i < uKey.length(); i++) {
|
|
if (uKey.charAt(i) == (UChar)0x2F) {
|
|
uKey.setCharAt(i, (UChar)0x3A);
|
|
}
|
|
}
|
|
uKey.extract(0, uKey.length(), key, sizeof(key), US_INV);
|
|
tznames = TZNames::createInstance(fZoneStrings, key, tzID);
|
|
|
|
if (tznames == NULL) {
|
|
cacheVal = (void *)EMPTY;
|
|
} else {
|
|
cacheVal = tznames;
|
|
}
|
|
// Use the persistent ID as the resource key, so we can
|
|
// avoid duplications.
|
|
const UChar* newKey = ZoneMeta::findTimeZoneID(tzID);
|
|
if (newKey != NULL) {
|
|
uhash_put(fTZNamesMap, (void *)newKey, cacheVal, &status);
|
|
if (U_FAILURE(status)) {
|
|
if (tznames != NULL) {
|
|
delete tznames;
|
|
tznames = NULL;
|
|
}
|
|
} else if (tznames != NULL) {
|
|
// put the name info into the trie
|
|
for (int32_t i = 0; ALL_NAME_TYPES[i] != UTZNM_UNKNOWN; i++) {
|
|
const UChar* name = tznames->getName(ALL_NAME_TYPES[i]);
|
|
if (name != NULL) {
|
|
ZNameInfo *nameinfo = (ZNameInfo *)uprv_malloc(sizeof(ZNameInfo));
|
|
if (nameinfo != NULL) {
|
|
nameinfo->type = ALL_NAME_TYPES[i];
|
|
nameinfo->tzID = newKey;
|
|
nameinfo->mzID = NULL;
|
|
fNamesTrie.put(name, nameinfo, status);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} else {
|
|
// Should never happen with a valid input
|
|
if (tznames != NULL) {
|
|
// It's not possible that we get a valid TZNames with unknown ID.
|
|
// But just in case..
|
|
delete tznames;
|
|
tznames = NULL;
|
|
}
|
|
}
|
|
} else if (cacheVal != EMPTY) {
|
|
tznames = (TZNames *)cacheVal;
|
|
}
|
|
|
|
return tznames;
|
|
}
|
|
|
|
TimeZoneNames::MatchInfoCollection*
|
|
TimeZoneNamesImpl::find(const UnicodeString& text, int32_t start, uint32_t types, UErrorCode& status) const {
|
|
ZNameSearchHandler handler(types);
|
|
|
|
TimeZoneNamesImpl *nonConstThis = const_cast<TimeZoneNamesImpl *>(this);
|
|
|
|
umtx_lock(&gLock);
|
|
{
|
|
fNamesTrie.search(text, start, (TextTrieMapSearchResultHandler *)&handler, status);
|
|
}
|
|
umtx_unlock(&gLock);
|
|
|
|
if (U_FAILURE(status)) {
|
|
return NULL;
|
|
}
|
|
|
|
int32_t maxLen = 0;
|
|
TimeZoneNames::MatchInfoCollection* matches = handler.getMatches(maxLen);
|
|
if (matches != NULL && ((maxLen == (text.length() - start)) || fNamesTrieFullyLoaded)) {
|
|
// perfect match
|
|
return matches;
|
|
}
|
|
|
|
delete matches;
|
|
|
|
// All names are not yet loaded into the trie
|
|
umtx_lock(&gLock);
|
|
{
|
|
if (!fNamesTrieFullyLoaded) {
|
|
const UnicodeString *id;
|
|
|
|
// load strings for all zones
|
|
StringEnumeration *tzIDs = TimeZone::createTimeZoneIDEnumeration(UCAL_ZONE_TYPE_CANONICAL, NULL, NULL, status);
|
|
if (U_SUCCESS(status)) {
|
|
while ((id = tzIDs->snext(status))) {
|
|
if (U_FAILURE(status)) {
|
|
break;
|
|
}
|
|
// loadStrings also load related metazone strings
|
|
nonConstThis->loadStrings(*id);
|
|
}
|
|
}
|
|
if (tzIDs != NULL) {
|
|
delete tzIDs;
|
|
}
|
|
if (U_SUCCESS(status)) {
|
|
nonConstThis->fNamesTrieFullyLoaded = TRUE;
|
|
}
|
|
}
|
|
}
|
|
umtx_unlock(&gLock);
|
|
|
|
if (U_FAILURE(status)) {
|
|
return NULL;
|
|
}
|
|
|
|
umtx_lock(&gLock);
|
|
{
|
|
// now try it again
|
|
fNamesTrie.search(text, start, (TextTrieMapSearchResultHandler *)&handler, status);
|
|
}
|
|
umtx_unlock(&gLock);
|
|
|
|
return handler.getMatches(maxLen);
|
|
}
|
|
|
|
static const UChar gEtcPrefix[] = { 0x45, 0x74, 0x63, 0x2F }; // "Etc/"
|
|
static const int32_t gEtcPrefixLen = 4;
|
|
static const UChar gSystemVPrefix[] = { 0x53, 0x79, 0x73, 0x74, 0x65, 0x6D, 0x56, 0x2F }; // "SystemV/
|
|
static const int32_t gSystemVPrefixLen = 8;
|
|
static const UChar gRiyadh8[] = { 0x52, 0x69, 0x79, 0x61, 0x64, 0x68, 0x38 }; // "Riyadh8"
|
|
static const int32_t gRiyadh8Len = 7;
|
|
|
|
UnicodeString& U_EXPORT2
|
|
TimeZoneNamesImpl::getDefaultExemplarLocationName(const UnicodeString& tzID, UnicodeString& name) {
|
|
if (tzID.isEmpty() || tzID.startsWith(gEtcPrefix, gEtcPrefixLen)
|
|
|| tzID.startsWith(gSystemVPrefix, gSystemVPrefixLen) || tzID.indexOf(gRiyadh8, gRiyadh8Len, 0) > 0) {
|
|
name.setToBogus();
|
|
return name;
|
|
}
|
|
|
|
int32_t sep = tzID.lastIndexOf((UChar)0x2F /* '/' */);
|
|
if (sep > 0 && sep + 1 < tzID.length()) {
|
|
name.setTo(tzID, sep + 1);
|
|
name.findAndReplace(UnicodeString((UChar)0x5f /* _ */),
|
|
UnicodeString((UChar)0x20 /* space */));
|
|
} else {
|
|
name.setToBogus();
|
|
}
|
|
return name;
|
|
}
|
|
|
|
// ---------------------------------------------------
|
|
// TZDBTimeZoneNames and its supporting classes
|
|
//
|
|
// TZDBTimeZoneNames is an implementation class of
|
|
// TimeZoneNames holding the IANA tz database abbreviations.
|
|
// ---------------------------------------------------
|
|
|
|
class TZDBNames : public UMemory {
|
|
public:
|
|
virtual ~TZDBNames();
|
|
|
|
static TZDBNames* createInstance(UResourceBundle* rb, const char* key);
|
|
const UChar* getName(UTimeZoneNameType type) const;
|
|
const char** getParseRegions(int32_t& numRegions) const;
|
|
|
|
protected:
|
|
TZDBNames(const UChar** names, char** regions, int32_t numRegions);
|
|
|
|
private:
|
|
const UChar** fNames;
|
|
char** fRegions;
|
|
int32_t fNumRegions;
|
|
};
|
|
|
|
TZDBNames::TZDBNames(const UChar** names, char** regions, int32_t numRegions)
|
|
: fNames(names),
|
|
fRegions(regions),
|
|
fNumRegions(numRegions) {
|
|
}
|
|
|
|
TZDBNames::~TZDBNames() {
|
|
if (fNames != NULL) {
|
|
uprv_free(fNames);
|
|
}
|
|
if (fRegions != NULL) {
|
|
char **p = fRegions;
|
|
for (int32_t i = 0; i < fNumRegions; p++, i++) {
|
|
uprv_free(*p);
|
|
}
|
|
uprv_free(fRegions);
|
|
}
|
|
}
|
|
|
|
TZDBNames*
|
|
TZDBNames::createInstance(UResourceBundle* rb, const char* key) {
|
|
if (rb == NULL || key == NULL || *key == 0) {
|
|
return NULL;
|
|
}
|
|
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
|
|
const UChar **names = NULL;
|
|
char** regions = NULL;
|
|
int32_t numRegions = 0;
|
|
|
|
int32_t len = 0;
|
|
|
|
UResourceBundle* rbTable = NULL;
|
|
rbTable = ures_getByKey(rb, key, rbTable, &status);
|
|
if (U_FAILURE(status)) {
|
|
return NULL;
|
|
}
|
|
|
|
names = (const UChar **)uprv_malloc(sizeof(const UChar*) * TZDBNAMES_KEYS_SIZE);
|
|
UBool isEmpty = TRUE;
|
|
if (names != NULL) {
|
|
for (int32_t i = 0; i < TZDBNAMES_KEYS_SIZE; i++) {
|
|
status = U_ZERO_ERROR;
|
|
const UChar *value = ures_getStringByKey(rbTable, TZDBNAMES_KEYS[i], &len, &status);
|
|
if (U_FAILURE(status) || len == 0) {
|
|
names[i] = NULL;
|
|
} else {
|
|
names[i] = value;
|
|
isEmpty = FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isEmpty) {
|
|
if (names != NULL) {
|
|
uprv_free(names);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
UResourceBundle *regionsRes = ures_getByKey(rbTable, "parseRegions", NULL, &status);
|
|
UBool regionError = FALSE;
|
|
if (U_SUCCESS(status)) {
|
|
numRegions = ures_getSize(regionsRes);
|
|
if (numRegions > 0) {
|
|
regions = (char**)uprv_malloc(sizeof(char*) * numRegions);
|
|
if (regions != NULL) {
|
|
char **pRegion = regions;
|
|
for (int32_t i = 0; i < numRegions; i++, pRegion++) {
|
|
*pRegion = NULL;
|
|
}
|
|
// filling regions
|
|
pRegion = regions;
|
|
for (int32_t i = 0; i < numRegions; i++, pRegion++) {
|
|
status = U_ZERO_ERROR;
|
|
const UChar *uregion = ures_getStringByIndex(regionsRes, i, &len, &status);
|
|
if (U_FAILURE(status)) {
|
|
regionError = TRUE;
|
|
break;
|
|
}
|
|
*pRegion = (char*)uprv_malloc(sizeof(char) * (len + 1));
|
|
if (*pRegion == NULL) {
|
|
regionError = TRUE;
|
|
break;
|
|
}
|
|
u_UCharsToChars(uregion, *pRegion, len);
|
|
(*pRegion)[len] = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
ures_close(regionsRes);
|
|
ures_close(rbTable);
|
|
|
|
if (regionError) {
|
|
if (names != NULL) {
|
|
uprv_free(names);
|
|
}
|
|
if (regions != NULL) {
|
|
char **p = regions;
|
|
for (int32_t i = 0; i < numRegions; p++, i++) {
|
|
uprv_free(p);
|
|
}
|
|
uprv_free(regions);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
return new TZDBNames(names, regions, numRegions);
|
|
}
|
|
|
|
const UChar*
|
|
TZDBNames::getName(UTimeZoneNameType type) const {
|
|
if (fNames == NULL) {
|
|
return NULL;
|
|
}
|
|
const UChar *name = NULL;
|
|
switch(type) {
|
|
case UTZNM_SHORT_STANDARD:
|
|
name = fNames[0];
|
|
break;
|
|
case UTZNM_SHORT_DAYLIGHT:
|
|
name = fNames[1];
|
|
break;
|
|
default:
|
|
name = NULL;
|
|
}
|
|
return name;
|
|
}
|
|
|
|
const char**
|
|
TZDBNames::getParseRegions(int32_t& numRegions) const {
|
|
if (fRegions == NULL) {
|
|
numRegions = 0;
|
|
} else {
|
|
numRegions = fNumRegions;
|
|
}
|
|
return (const char**)fRegions;
|
|
}
|
|
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U_CDECL_BEGIN
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/**
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* TZDBNameInfo stores metazone name information for the IANA abbreviations
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* in the trie
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*/
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typedef struct TZDBNameInfo {
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const UChar* mzID;
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UTimeZoneNameType type;
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UBool ambiguousType;
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const char** parseRegions;
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int32_t nRegions;
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} TZDBNameInfo;
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U_CDECL_END
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class TZDBNameSearchHandler : public TextTrieMapSearchResultHandler {
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public:
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TZDBNameSearchHandler(uint32_t types, const char* region);
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virtual ~TZDBNameSearchHandler();
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UBool handleMatch(int32_t matchLength, const CharacterNode *node, UErrorCode &status);
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TimeZoneNames::MatchInfoCollection* getMatches(int32_t& maxMatchLen);
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private:
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uint32_t fTypes;
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int32_t fMaxMatchLen;
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TimeZoneNames::MatchInfoCollection* fResults;
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const char* fRegion;
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};
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TZDBNameSearchHandler::TZDBNameSearchHandler(uint32_t types, const char* region)
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: fTypes(types), fMaxMatchLen(0), fResults(NULL), fRegion(region) {
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}
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TZDBNameSearchHandler::~TZDBNameSearchHandler() {
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if (fResults != NULL) {
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delete fResults;
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}
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}
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UBool
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TZDBNameSearchHandler::handleMatch(int32_t matchLength, const CharacterNode *node, UErrorCode &status) {
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if (U_FAILURE(status)) {
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return FALSE;
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}
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TZDBNameInfo *match = NULL;
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TZDBNameInfo *defaultRegionMatch = NULL;
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if (node->hasValues()) {
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int32_t valuesCount = node->countValues();
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for (int32_t i = 0; i < valuesCount; i++) {
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TZDBNameInfo *ninfo = (TZDBNameInfo *)node->getValue(i);
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if (ninfo == NULL) {
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continue;
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}
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if ((ninfo->type & fTypes) != 0) {
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// Some tz database abbreviations are ambiguous. For example,
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// CST means either Central Standard Time or China Standard Time.
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// Unlike CLDR time zone display names, this implementation
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// does not use unique names. And TimeZoneFormat does not expect
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// multiple results returned for the same time zone type.
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// For this reason, this implementation resolve one among same
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// zone type with a same name at this level.
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if (ninfo->parseRegions == NULL) {
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// parseRegions == null means this is the default metazone
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// mapping for the abbreviation.
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if (defaultRegionMatch == NULL) {
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match = defaultRegionMatch = ninfo;
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}
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} else {
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UBool matchRegion = FALSE;
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// non-default metazone mapping for an abbreviation
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// comes with applicable regions. For example, the default
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// metazone mapping for "CST" is America_Central,
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// but if region is one of CN/MO/TW, "CST" is parsed
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// as metazone China (China Standard Time).
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for (int32_t i = 0; i < ninfo->nRegions; i++) {
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const char *region = ninfo->parseRegions[i];
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if (uprv_strcmp(fRegion, region) == 0) {
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match = ninfo;
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matchRegion = TRUE;
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break;
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}
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}
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if (matchRegion) {
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break;
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}
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if (match == NULL) {
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match = ninfo;
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}
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}
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}
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}
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if (match != NULL) {
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UTimeZoneNameType ntype = match->type;
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// Note: Workaround for duplicated standard/daylight names
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// The tz database contains a few zones sharing a
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// same name for both standard time and daylight saving
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// time. For example, Australia/Sydney observes DST,
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// but "EST" is used for both standard and daylight.
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// When both SHORT_STANDARD and SHORT_DAYLIGHT are included
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// in the find operation, we cannot tell which one was
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// actually matched.
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// TimeZoneFormat#parse returns a matched name type (standard
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// or daylight) and DateFormat implementation uses the info to
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// to adjust actual time. To avoid false type information,
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// this implementation replaces the name type with SHORT_GENERIC.
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if (match->ambiguousType
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&& (ntype == UTZNM_SHORT_STANDARD || ntype == UTZNM_SHORT_DAYLIGHT)
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&& (fTypes & UTZNM_SHORT_STANDARD) != 0
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&& (fTypes & UTZNM_SHORT_DAYLIGHT) != 0) {
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ntype = UTZNM_SHORT_GENERIC;
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}
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if (fResults == NULL) {
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fResults = new TimeZoneNames::MatchInfoCollection();
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if (fResults == NULL) {
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status = U_MEMORY_ALLOCATION_ERROR;
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}
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}
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if (U_SUCCESS(status)) {
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U_ASSERT(fResults != NULL);
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U_ASSERT(match->mzID != NULL);
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fResults->addMetaZone(ntype, matchLength, UnicodeString(match->mzID, -1), status);
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if (U_SUCCESS(status) && matchLength > fMaxMatchLen) {
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fMaxMatchLen = matchLength;
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}
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}
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}
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}
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return TRUE;
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}
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TimeZoneNames::MatchInfoCollection*
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TZDBNameSearchHandler::getMatches(int32_t& maxMatchLen) {
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// give the ownership to the caller
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TimeZoneNames::MatchInfoCollection* results = fResults;
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maxMatchLen = fMaxMatchLen;
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// reset
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fResults = NULL;
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fMaxMatchLen = 0;
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return results;
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}
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U_CDECL_BEGIN
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/**
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* Deleter for TZDBNames
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*/
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static void U_CALLCONV
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deleteTZDBNames(void *obj) {
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if (obj != EMPTY) {
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delete (TZDBNames *)obj;
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}
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}
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static void U_CALLCONV initTZDBNamesMap(UErrorCode &status) {
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gTZDBNamesMap = uhash_open(uhash_hashUChars, uhash_compareUChars, NULL, &status);
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if (U_FAILURE(status)) {
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gTZDBNamesMap = NULL;
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return;
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}
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// no key deleters for tzdb name maps
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uhash_setValueDeleter(gTZDBNamesMap, deleteTZDBNames);
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ucln_i18n_registerCleanup(UCLN_I18N_TZDBTIMEZONENAMES, tzdbTimeZoneNames_cleanup);
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}
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/**
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* Deleter for TZDBNameInfo
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*/
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static void U_CALLCONV
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deleteTZDBNameInfo(void *obj) {
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if (obj != NULL) {
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uprv_free(obj);
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}
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}
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static void U_CALLCONV prepareFind(UErrorCode &status) {
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if (U_FAILURE(status)) {
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return;
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}
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gTZDBNamesTrie = new TextTrieMap(TRUE, deleteTZDBNameInfo);
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if (gTZDBNamesTrie == NULL) {
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status = U_MEMORY_ALLOCATION_ERROR;
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return;
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}
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const UnicodeString *mzID;
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StringEnumeration *mzIDs = TimeZoneNamesImpl::_getAvailableMetaZoneIDs(status);
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if (U_SUCCESS(status)) {
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while ((mzID = mzIDs->snext(status)) && U_SUCCESS(status)) {
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const TZDBNames *names = TZDBTimeZoneNames::getMetaZoneNames(*mzID, status);
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if (names == NULL) {
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continue;
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}
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const UChar *std = names->getName(UTZNM_SHORT_STANDARD);
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const UChar *dst = names->getName(UTZNM_SHORT_DAYLIGHT);
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if (std == NULL && dst == NULL) {
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continue;
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}
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int32_t numRegions = 0;
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const char **parseRegions = names->getParseRegions(numRegions);
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// The tz database contains a few zones sharing a
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// same name for both standard time and daylight saving
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// time. For example, Australia/Sydney observes DST,
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// but "EST" is used for both standard and daylight.
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// we need to store the information for later processing.
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UBool ambiguousType = (std != NULL && dst != NULL && u_strcmp(std, dst) == 0);
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const UChar *uMzID = ZoneMeta::findMetaZoneID(*mzID);
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if (std != NULL) {
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TZDBNameInfo *stdInf = (TZDBNameInfo *)uprv_malloc(sizeof(TZDBNameInfo));
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if (stdInf == NULL) {
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status = U_MEMORY_ALLOCATION_ERROR;
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break;
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}
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stdInf->mzID = uMzID;
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stdInf->type = UTZNM_SHORT_STANDARD;
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stdInf->ambiguousType = ambiguousType;
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stdInf->parseRegions = parseRegions;
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stdInf->nRegions = numRegions;
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gTZDBNamesTrie->put(std, stdInf, status);
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}
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if (U_SUCCESS(status) && dst != NULL) {
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TZDBNameInfo *dstInf = (TZDBNameInfo *)uprv_malloc(sizeof(TZDBNameInfo));
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if (dstInf == NULL) {
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status = U_MEMORY_ALLOCATION_ERROR;
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break;
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}
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dstInf->mzID = uMzID;
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dstInf->type = UTZNM_SHORT_DAYLIGHT;
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dstInf->ambiguousType = ambiguousType;
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dstInf->parseRegions = parseRegions;
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dstInf->nRegions = numRegions;
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gTZDBNamesTrie->put(dst, dstInf, status);
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}
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}
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}
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delete mzIDs;
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if (U_FAILURE(status)) {
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delete gTZDBNamesTrie;
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gTZDBNamesTrie = NULL;
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return;
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}
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|
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ucln_i18n_registerCleanup(UCLN_I18N_TZDBTIMEZONENAMES, tzdbTimeZoneNames_cleanup);
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}
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U_CDECL_END
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TZDBTimeZoneNames::TZDBTimeZoneNames(const Locale& locale)
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: fLocale(locale) {
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UBool useWorld = TRUE;
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const char* region = fLocale.getCountry();
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int32_t regionLen = uprv_strlen(region);
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if (regionLen == 0) {
|
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UErrorCode status = U_ZERO_ERROR;
|
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char loc[ULOC_FULLNAME_CAPACITY];
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uloc_addLikelySubtags(fLocale.getName(), loc, sizeof(loc), &status);
|
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regionLen = uloc_getCountry(loc, fRegion, sizeof(fRegion), &status);
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if (U_SUCCESS(status) && regionLen < (int32_t)sizeof(fRegion)) {
|
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useWorld = FALSE;
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}
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} else if (regionLen < (int32_t)sizeof(fRegion)) {
|
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uprv_strcpy(fRegion, region);
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useWorld = FALSE;
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}
|
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if (useWorld) {
|
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uprv_strcpy(fRegion, "001");
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}
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}
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|
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TZDBTimeZoneNames::~TZDBTimeZoneNames() {
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}
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|
|
UBool
|
|
TZDBTimeZoneNames::operator==(const TimeZoneNames& other) const {
|
|
if (this == &other) {
|
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return TRUE;
|
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}
|
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// No implementation for now
|
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return FALSE;
|
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}
|
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|
|
TimeZoneNames*
|
|
TZDBTimeZoneNames::clone() const {
|
|
return new TZDBTimeZoneNames(fLocale);
|
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}
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|
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StringEnumeration*
|
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TZDBTimeZoneNames::getAvailableMetaZoneIDs(UErrorCode& status) const {
|
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return TimeZoneNamesImpl::_getAvailableMetaZoneIDs(status);
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}
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|
|
StringEnumeration*
|
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TZDBTimeZoneNames::getAvailableMetaZoneIDs(const UnicodeString& tzID, UErrorCode& status) const {
|
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return TimeZoneNamesImpl::_getAvailableMetaZoneIDs(tzID, status);
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}
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|
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UnicodeString&
|
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TZDBTimeZoneNames::getMetaZoneID(const UnicodeString& tzID, UDate date, UnicodeString& mzID) const {
|
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return TimeZoneNamesImpl::_getMetaZoneID(tzID, date, mzID);
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}
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UnicodeString&
|
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TZDBTimeZoneNames::getReferenceZoneID(const UnicodeString& mzID, const char* region, UnicodeString& tzID) const {
|
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return TimeZoneNamesImpl::_getReferenceZoneID(mzID, region, tzID);
|
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}
|
|
|
|
UnicodeString&
|
|
TZDBTimeZoneNames::getMetaZoneDisplayName(const UnicodeString& mzID,
|
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UTimeZoneNameType type,
|
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UnicodeString& name) const {
|
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name.setToBogus();
|
|
if (mzID.isEmpty()) {
|
|
return name;
|
|
}
|
|
|
|
UErrorCode status = U_ZERO_ERROR;
|
|
const TZDBNames *tzdbNames = TZDBTimeZoneNames::getMetaZoneNames(mzID, status);
|
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if (U_SUCCESS(status)) {
|
|
const UChar *s = tzdbNames->getName(type);
|
|
if (s != NULL) {
|
|
name.setTo(TRUE, s, -1);
|
|
}
|
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}
|
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|
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return name;
|
|
}
|
|
|
|
UnicodeString&
|
|
TZDBTimeZoneNames::getTimeZoneDisplayName(const UnicodeString& /* tzID */, UTimeZoneNameType /* type */, UnicodeString& name) const {
|
|
// No abbreviations associated a zone directly for now.
|
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name.setToBogus();
|
|
return name;
|
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}
|
|
|
|
TZDBTimeZoneNames::MatchInfoCollection*
|
|
TZDBTimeZoneNames::find(const UnicodeString& text, int32_t start, uint32_t types, UErrorCode& status) const {
|
|
umtx_initOnce(gTZDBNamesTrieInitOnce, &prepareFind, status);
|
|
if (U_FAILURE(status)) {
|
|
return NULL;
|
|
}
|
|
|
|
TZDBNameSearchHandler handler(types, fRegion);
|
|
gTZDBNamesTrie->search(text, start, (TextTrieMapSearchResultHandler *)&handler, status);
|
|
if (U_FAILURE(status)) {
|
|
return NULL;
|
|
}
|
|
int32_t maxLen = 0;
|
|
return handler.getMatches(maxLen);
|
|
}
|
|
|
|
const TZDBNames*
|
|
TZDBTimeZoneNames::getMetaZoneNames(const UnicodeString& mzID, UErrorCode& status) {
|
|
umtx_initOnce(gTZDBNamesMapInitOnce, &initTZDBNamesMap, status);
|
|
if (U_FAILURE(status)) {
|
|
return NULL;
|
|
}
|
|
|
|
TZDBNames* tzdbNames = NULL;
|
|
|
|
UChar mzIDKey[ZID_KEY_MAX + 1];
|
|
mzID.extract(mzIDKey, ZID_KEY_MAX + 1, status);
|
|
U_ASSERT(status == U_ZERO_ERROR); // already checked length above
|
|
mzIDKey[mzID.length()] = 0;
|
|
|
|
umtx_lock(&gTZDBNamesMapLock);
|
|
{
|
|
void *cacheVal = uhash_get(gTZDBNamesMap, mzIDKey);
|
|
if (cacheVal == NULL) {
|
|
UResourceBundle *zoneStringsRes = ures_openDirect(U_ICUDATA_ZONE, "tzdbNames", &status);
|
|
zoneStringsRes = ures_getByKey(zoneStringsRes, gZoneStrings, zoneStringsRes, &status);
|
|
if (U_SUCCESS(status)) {
|
|
char key[ZID_KEY_MAX + 1];
|
|
mergeTimeZoneKey(mzID, key);
|
|
tzdbNames = TZDBNames::createInstance(zoneStringsRes, key);
|
|
|
|
if (tzdbNames == NULL) {
|
|
cacheVal = (void *)EMPTY;
|
|
} else {
|
|
cacheVal = tzdbNames;
|
|
}
|
|
// Use the persistent ID as the resource key, so we can
|
|
// avoid duplications.
|
|
const UChar* newKey = ZoneMeta::findMetaZoneID(mzID);
|
|
if (newKey != NULL) {
|
|
uhash_put(gTZDBNamesMap, (void *)newKey, cacheVal, &status);
|
|
if (U_FAILURE(status)) {
|
|
if (tzdbNames != NULL) {
|
|
delete tzdbNames;
|
|
tzdbNames = NULL;
|
|
}
|
|
}
|
|
} else {
|
|
// Should never happen with a valid input
|
|
if (tzdbNames != NULL) {
|
|
// It's not possible that we get a valid tzdbNames with unknown ID.
|
|
// But just in case..
|
|
delete tzdbNames;
|
|
tzdbNames = NULL;
|
|
}
|
|
}
|
|
}
|
|
ures_close(zoneStringsRes);
|
|
} else if (cacheVal != EMPTY) {
|
|
tzdbNames = (TZDBNames *)cacheVal;
|
|
}
|
|
}
|
|
umtx_unlock(&gTZDBNamesMapLock);
|
|
|
|
return tzdbNames;
|
|
}
|
|
|
|
U_NAMESPACE_END
|
|
|
|
|
|
#endif /* #if !UCONFIG_NO_FORMATTING */
|
|
|
|
//eof
|