--- /dev/null
+ /**
+ *******************************************************************************
+ * Copyright (C) 2001-2004, International Business Machines Corporation. *
+ * All Rights Reserved. *
+ *******************************************************************************
+ */
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_SERVICE
+
+#include "serv.h"
+#include "umutex.h"
+
+#undef SERVICE_REFCOUNT
+
+// in case we use the refcount stuff
+
+U_NAMESPACE_BEGIN
+
+/*
+ ******************************************************************
+ */
+
+const UChar ICUServiceKey::PREFIX_DELIMITER = 0x002F; /* '/' */
+
+ICUServiceKey::ICUServiceKey(const UnicodeString& id)
+ : _id(id) {
+}
+
+ICUServiceKey::~ICUServiceKey()
+{
+}
+
+const UnicodeString&
+ICUServiceKey::getID() const
+{
+ return _id;
+}
+
+UnicodeString&
+ICUServiceKey::canonicalID(UnicodeString& result) const
+{
+ return result.append(_id);
+}
+
+UnicodeString&
+ICUServiceKey::currentID(UnicodeString& result) const
+{
+ return canonicalID(result);
+}
+
+UnicodeString&
+ICUServiceKey::currentDescriptor(UnicodeString& result) const
+{
+ prefix(result);
+ result.append(PREFIX_DELIMITER);
+ return currentID(result);
+}
+
+UBool
+ICUServiceKey::fallback()
+{
+ return FALSE;
+}
+
+UBool
+ICUServiceKey::isFallbackOf(const UnicodeString& id) const
+{
+ return id == _id;
+}
+
+UnicodeString&
+ICUServiceKey::prefix(UnicodeString& result) const
+{
+ return result;
+}
+
+UnicodeString&
+ICUServiceKey::parsePrefix(UnicodeString& result)
+{
+ int32_t n = result.indexOf(PREFIX_DELIMITER);
+ if (n < 0) {
+ n = 0;
+ }
+ result.remove(n);
+ return result;
+}
+
+UnicodeString&
+ICUServiceKey::parseSuffix(UnicodeString& result)
+{
+ int32_t n = result.indexOf(PREFIX_DELIMITER);
+ if (n >= 0) {
+ result.remove(0, n+1);
+ }
+ return result;
+}
+
+#ifdef SERVICE_DEBUG
+UnicodeString&
+ICUServiceKey::debug(UnicodeString& result) const
+{
+ debugClass(result);
+ result.append(" id: ");
+ result.append(_id);
+ return result;
+}
+
+UnicodeString&
+ICUServiceKey::debugClass(UnicodeString& result) const
+{
+ return result.append("ICUServiceKey");
+}
+#endif
+
+UOBJECT_DEFINE_RTTI_IMPLEMENTATION(ICUServiceKey)
+
+/*
+ ******************************************************************
+ */
+
+SimpleFactory::SimpleFactory(UObject* instanceToAdopt, const UnicodeString& id, UBool visible)
+ : _instance(instanceToAdopt), _id(id), _visible(visible)
+{
+}
+
+SimpleFactory::~SimpleFactory()
+{
+ delete _instance;
+}
+
+UObject*
+SimpleFactory::create(const ICUServiceKey& key, const ICUService* service, UErrorCode& status) const
+{
+ if (U_SUCCESS(status)) {
+ UnicodeString temp;
+ if (_id == key.currentID(temp)) {
+ return service->cloneInstance(_instance);
+ }
+ }
+ return NULL;
+}
+
+void
+SimpleFactory::updateVisibleIDs(Hashtable& result, UErrorCode& status) const
+{
+ if (_visible) {
+ result.put(_id, (void*)this, status); // cast away const
+ } else {
+ result.remove(_id);
+ }
+}
+
+UnicodeString&
+SimpleFactory::getDisplayName(const UnicodeString& id, const Locale& /* locale */, UnicodeString& result) const
+{
+ if (_visible && _id == id) {
+ result = _id;
+ } else {
+ result.setToBogus();
+ }
+ return result;
+}
+
+#ifdef SERVICE_DEBUG
+UnicodeString&
+SimpleFactory::debug(UnicodeString& toAppendTo) const
+{
+ debugClass(toAppendTo);
+ toAppendTo.append(" id: ");
+ toAppendTo.append(_id);
+ toAppendTo.append(", visible: ");
+ toAppendTo.append(_visible ? "T" : "F");
+ return toAppendTo;
+}
+
+UnicodeString&
+SimpleFactory::debugClass(UnicodeString& toAppendTo) const
+{
+ return toAppendTo.append("SimpleFactory");
+}
+#endif
+
+UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SimpleFactory)
+
+/*
+ ******************************************************************
+ */
+
+UOBJECT_DEFINE_RTTI_IMPLEMENTATION(ServiceListener)
+
+/*
+ ******************************************************************
+ */
+
+ // Record the actual id for this service in the cache, so we can return it
+ // even if we succeed later with a different id.
+class CacheEntry : public UMemory {
+private:
+ int32_t refcount;
+
+public:
+ UnicodeString actualDescriptor;
+ UObject* service;
+
+ /**
+ * Releases a reference to the shared resource.
+ */
+ ~CacheEntry() {
+ delete service;
+ }
+
+ CacheEntry(const UnicodeString& _actualDescriptor, UObject* _service)
+ : refcount(1), actualDescriptor(_actualDescriptor), service(_service) {
+ }
+
+ /**
+ * Instantiation creates an initial reference, so don't call this
+ * unless you're creating a new pointer to this. Management of
+ * that pointer will have to know how to deal with refcounts.
+ * Return true if the resource has not already been released.
+ */
+ CacheEntry* ref() {
+ ++refcount;
+ return this;
+ }
+
+ /**
+ * Destructions removes a reference, so don't call this unless
+ * you're removing pointer to this somewhere. Management of that
+ * pointer will have to know how to deal with refcounts. Once
+ * the refcount drops to zero, the resource is released. Return
+ * false if the resouce has been released.
+ */
+ CacheEntry* unref() {
+ if ((--refcount) == 0) {
+ delete this;
+ return NULL;
+ }
+ return this;
+ }
+
+ /**
+ * Return TRUE if there is at least one reference to this and the
+ * resource has not been released.
+ */
+ UBool isShared() const {
+ return refcount > 1;
+ }
+};
+
+// UObjectDeleter for serviceCache
+U_CDECL_BEGIN
+static void U_CALLCONV
+cacheDeleter(void* obj) {
+ U_NAMESPACE_USE
+ ((CacheEntry*)obj)->unref();
+}
+
+/**
+ * Deleter for UObjects
+ */
+static void U_CALLCONV
+deleteUObject(void *obj) {
+ U_NAMESPACE_USE
+ delete (UObject*) obj;
+}
+U_CDECL_END
+
+/*
+ ******************************************************************
+ */
+
+class DNCache : public UMemory {
+public:
+ Hashtable cache;
+ const Locale locale;
+
+ DNCache(const Locale& _locale)
+ : cache(), locale(_locale)
+ {
+ // cache.setKeyDeleter(uhash_deleteUnicodeString);
+ }
+};
+
+
+/*
+ ******************************************************************
+ */
+
+StringPair*
+StringPair::create(const UnicodeString& displayName,
+ const UnicodeString& id,
+ UErrorCode& status)
+{
+ if (U_SUCCESS(status)) {
+ StringPair* sp = new StringPair(displayName, id);
+ if (sp == NULL || sp->isBogus()) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ delete sp;
+ return NULL;
+ }
+ return sp;
+ }
+ return NULL;
+}
+
+UBool
+StringPair::isBogus() const {
+ return displayName.isBogus() || id.isBogus();
+}
+
+StringPair::StringPair(const UnicodeString& _displayName,
+ const UnicodeString& _id)
+ : displayName(_displayName)
+ , id(_id)
+{
+}
+
+U_CAPI void U_EXPORT2
+userv_deleteStringPair(void *obj) {
+ U_NAMESPACE_USE
+ delete (StringPair*) obj;
+}
+
+/*
+ ******************************************************************
+ */
+
+ICUService::ICUService()
+ : name()
+ , lock(0)
+ , timestamp(0)
+ , factories(NULL)
+ , serviceCache(NULL)
+ , idCache(NULL)
+ , dnCache(NULL)
+{
+ umtx_init(&lock);
+}
+
+ICUService::ICUService(const UnicodeString& newName)
+ : name(newName)
+ , lock(0)
+ , timestamp(0)
+ , factories(NULL)
+ , serviceCache(NULL)
+ , idCache(NULL)
+ , dnCache(NULL) {
+ umtx_init(&lock);
+}
+
+ICUService::~ICUService()
+ {
+ {
+ Mutex mutex(&lock);
+ clearCaches();
+ delete factories;
+ factories = NULL;
+ }
+ umtx_destroy(&lock);
+}
+
+UObject*
+ICUService::get(const UnicodeString& descriptor, UErrorCode& status) const
+{
+ return get(descriptor, NULL, status);
+}
+
+UObject*
+ICUService::get(const UnicodeString& descriptor, UnicodeString* actualReturn, UErrorCode& status) const
+{
+ UObject* result = NULL;
+ ICUServiceKey* key = createKey(&descriptor, status);
+ if (key) {
+ result = getKey(*key, actualReturn, status);
+ delete key;
+ }
+ return result;
+}
+
+UObject*
+ICUService::getKey(ICUServiceKey& key, UErrorCode& status) const
+{
+ return getKey(key, NULL, status);
+}
+
+// this is a vector that subclasses of ICUService can override to further customize the result object
+// before returning it. All other public get functions should call this one.
+
+UObject*
+ICUService::getKey(ICUServiceKey& key, UnicodeString* actualReturn, UErrorCode& status) const
+{
+ return getKey(key, actualReturn, NULL, status);
+}
+
+// make it possible to call reentrantly on systems that don't have reentrant mutexes.
+// we can use this simple approach since we know the situation where we're calling
+// reentrantly even without knowing the thread.
+class XMutex : public UMemory {
+public:
+ inline XMutex(UMTX *mutex, UBool reentering)
+ : fMutex(mutex)
+ , fActive(!reentering)
+ {
+ if (fActive) umtx_lock(fMutex);
+ }
+ inline ~XMutex() {
+ if (fActive) umtx_unlock(fMutex);
+ }
+
+private:
+ UMTX *fMutex;
+ UBool fActive;
+};
+
+struct UVectorDeleter {
+ UVector* _obj;
+ UVectorDeleter() : _obj(NULL) {}
+ ~UVectorDeleter() { delete _obj; }
+};
+
+// called only by factories, treat as private
+UObject*
+ICUService::getKey(ICUServiceKey& key, UnicodeString* actualReturn, const ICUServiceFactory* factory, UErrorCode& status) const
+{
+ if (U_FAILURE(status)) {
+ return NULL;
+ }
+
+ if (isDefault()) {
+ return handleDefault(key, actualReturn, status);
+ }
+
+ ICUService* ncthis = (ICUService*)this; // cast away semantic const
+
+ CacheEntry* result = NULL;
+ {
+ // The factory list can't be modified until we're done,
+ // otherwise we might update the cache with an invalid result.
+ // The cache has to stay in synch with the factory list.
+ // ICU doesn't have monitors so we can't use rw locks, so
+ // we single-thread everything using this service, for now.
+
+ // if factory is not null, we're calling from within the mutex,
+ // and since some unix machines don't have reentrant mutexes we
+ // need to make sure not to try to lock it again.
+ XMutex(&ncthis->lock, factory != NULL);
+
+ if (serviceCache == NULL) {
+ ncthis->serviceCache = new Hashtable(status);
+ if (U_FAILURE(status)) {
+ delete serviceCache;
+ return NULL;
+ }
+ serviceCache->setValueDeleter(cacheDeleter);
+ }
+
+ UnicodeString currentDescriptor;
+ UVectorDeleter cacheDescriptorList;
+ UBool putInCache = FALSE;
+
+ int32_t startIndex = 0;
+ int32_t limit = factories->size();
+ UBool cacheResult = TRUE;
+
+ if (factory != NULL) {
+ for (int32_t i = 0; i < limit; ++i) {
+ if (factory == (const ICUServiceFactory*)factories->elementAt(i)) {
+ startIndex = i + 1;
+ break;
+ }
+ }
+ if (startIndex == 0) {
+ // throw new InternalError("Factory " + factory + "not registered with service: " + this);
+ status = U_ILLEGAL_ARGUMENT_ERROR;
+ return NULL;
+ }
+ cacheResult = FALSE;
+ }
+
+ do {
+ currentDescriptor.remove();
+ key.currentDescriptor(currentDescriptor);
+ result = (CacheEntry*)serviceCache->get(currentDescriptor);
+ if (result != NULL) {
+ break;
+ }
+
+ // first test of cache failed, so we'll have to update
+ // the cache if we eventually succeed-- that is, if we're
+ // going to update the cache at all.
+ putInCache = TRUE;
+
+ int32_t index = startIndex;
+ while (index < limit) {
+ ICUServiceFactory* f = (ICUServiceFactory*)factories->elementAt(index++);
+ UObject* service = f->create(key, this, status);
+ if (U_FAILURE(status)) {
+ delete service;
+ return NULL;
+ }
+ if (service != NULL) {
+ result = new CacheEntry(currentDescriptor, service);
+ if (result == NULL) {
+ delete service;
+ status = U_MEMORY_ALLOCATION_ERROR;
+ return NULL;
+ }
+
+ goto outerEnd;
+ }
+ }
+
+ // prepare to load the cache with all additional ids that
+ // will resolve to result, assuming we'll succeed. We
+ // don't want to keep querying on an id that's going to
+ // fallback to the one that succeeded, we want to hit the
+ // cache the first time next goaround.
+ if (cacheDescriptorList._obj == NULL) {
+ cacheDescriptorList._obj = new UVector(uhash_deleteUnicodeString, NULL, 5, status);
+ if (U_FAILURE(status)) {
+ return NULL;
+ }
+ }
+ UnicodeString* idToCache = new UnicodeString(currentDescriptor);
+ if (idToCache == NULL || idToCache->isBogus()) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ return NULL;
+ }
+
+ cacheDescriptorList._obj->addElement(idToCache, status);
+ if (U_FAILURE(status)) {
+ return NULL;
+ }
+ } while (key.fallback());
+ outerEnd:
+
+ if (result != NULL) {
+ if (putInCache && cacheResult) {
+ serviceCache->put(result->actualDescriptor, result, status);
+ if (U_FAILURE(status)) {
+ delete result;
+ return NULL;
+ }
+
+ if (cacheDescriptorList._obj != NULL) {
+ for (int32_t i = cacheDescriptorList._obj->size(); --i >= 0;) {
+ UnicodeString* desc = (UnicodeString*)cacheDescriptorList._obj->elementAt(i);
+ serviceCache->put(*desc, result, status);
+ if (U_FAILURE(status)) {
+ delete result;
+ return NULL;
+ }
+
+ result->ref();
+ cacheDescriptorList._obj->removeElementAt(i);
+ }
+ }
+ }
+
+ if (actualReturn != NULL) {
+ // strip null prefix
+ if (result->actualDescriptor.indexOf((UChar)0x2f) == 0) { // U+002f=slash (/)
+ actualReturn->remove();
+ actualReturn->append(result->actualDescriptor,
+ 1,
+ result->actualDescriptor.length() - 1);
+ } else {
+ *actualReturn = result->actualDescriptor;
+ }
+
+ if (actualReturn->isBogus()) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ delete result;
+ return NULL;
+ }
+ }
+
+ UObject* service = cloneInstance(result->service);
+ if (putInCache && !cacheResult) {
+ delete result;
+ }
+ return service;
+ }
+ }
+
+ return handleDefault(key, actualReturn, status);
+}
+
+UObject*
+ICUService::handleDefault(const ICUServiceKey& /* key */, UnicodeString* /* actualIDReturn */, UErrorCode& /* status */) const
+{
+ return NULL;
+}
+
+UVector&
+ICUService::getVisibleIDs(UVector& result, UErrorCode& status) const {
+ return getVisibleIDs(result, NULL, status);
+}
+
+UVector&
+ICUService::getVisibleIDs(UVector& result, const UnicodeString* matchID, UErrorCode& status) const
+{
+ result.removeAllElements();
+
+ if (U_FAILURE(status)) {
+ return result;
+ }
+
+ ICUService * ncthis = (ICUService*)this; // cast away semantic const
+ {
+ Mutex mutex(&ncthis->lock);
+ const Hashtable* map = getVisibleIDMap(status);
+ if (map != NULL) {
+ ICUServiceKey* fallbackKey = createKey(matchID, status);
+
+ for (int32_t pos = -1;;) {
+ const UHashElement* e = map->nextElement(pos);
+ if (e == NULL) {
+ break;
+ }
+
+ const UnicodeString* id = (const UnicodeString*)e->key.pointer;
+ if (fallbackKey != NULL) {
+ if (!fallbackKey->isFallbackOf(*id)) {
+ continue;
+ }
+ }
+
+ UnicodeString* idClone = new UnicodeString(*id);
+ if (idClone == NULL || idClone->isBogus()) {
+ delete idClone;
+ status = U_MEMORY_ALLOCATION_ERROR;
+ break;
+ }
+ result.addElement(idClone, status);
+ if (U_FAILURE(status)) {
+ delete idClone;
+ break;
+ }
+ }
+ delete fallbackKey;
+ }
+ }
+ if (U_FAILURE(status)) {
+ result.removeAllElements();
+ }
+ return result;
+}
+
+const Hashtable*
+ICUService::getVisibleIDMap(UErrorCode& status) const {
+ if (U_FAILURE(status)) return NULL;
+
+ // must only be called when lock is already held
+
+ ICUService* ncthis = (ICUService*)this; // cast away semantic const
+ if (idCache == NULL) {
+ ncthis->idCache = new Hashtable(status);
+ if (idCache == NULL) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ } else if (factories != NULL) {
+ for (int32_t pos = factories->size(); --pos >= 0;) {
+ ICUServiceFactory* f = (ICUServiceFactory*)factories->elementAt(pos);
+ f->updateVisibleIDs(*idCache, status);
+ }
+ if (U_FAILURE(status)) {
+ delete idCache;
+ ncthis->idCache = NULL;
+ }
+ }
+ }
+
+ return idCache;
+}
+
+
+UnicodeString&
+ICUService::getDisplayName(const UnicodeString& id, UnicodeString& result) const
+{
+ return getDisplayName(id, result, Locale::getDefault());
+}
+
+UnicodeString&
+ICUService::getDisplayName(const UnicodeString& id, UnicodeString& result, const Locale& locale) const
+{
+ {
+ ICUService* ncthis = (ICUService*)this; // cast away semantic const
+ UErrorCode status = U_ZERO_ERROR;
+ Mutex mutex(&ncthis->lock);
+ const Hashtable* map = getVisibleIDMap(status);
+ if (map != NULL) {
+ ICUServiceFactory* f = (ICUServiceFactory*)map->get(id);
+ if (f != NULL) {
+ f->getDisplayName(id, locale, result);
+ return result;
+ }
+
+ // fallback
+ UErrorCode status = U_ZERO_ERROR;
+ ICUServiceKey* fallbackKey = createKey(&id, status);
+ while (fallbackKey->fallback()) {
+ UnicodeString us;
+ fallbackKey->currentID(us);
+ f = (ICUServiceFactory*)map->get(us);
+ if (f != NULL) {
+ f->getDisplayName(id, locale, result);
+ delete fallbackKey;
+ return result;
+ }
+ }
+ delete fallbackKey;
+ }
+ }
+ result.setToBogus();
+ return result;
+}
+
+UVector&
+ICUService::getDisplayNames(UVector& result, UErrorCode& status) const
+{
+ return getDisplayNames(result, Locale::getDefault(), NULL, status);
+}
+
+
+UVector&
+ICUService::getDisplayNames(UVector& result, const Locale& locale, UErrorCode& status) const
+{
+ return getDisplayNames(result, locale, NULL, status);
+}
+
+UVector&
+ICUService::getDisplayNames(UVector& result,
+ const Locale& locale,
+ const UnicodeString* matchID,
+ UErrorCode& status) const
+{
+ result.removeAllElements();
+ if (U_SUCCESS(status)) {
+ ICUService* ncthis = (ICUService*)this; // cast away semantic const
+ Mutex mutex(&ncthis->lock);
+
+ if (dnCache != NULL && dnCache->locale != locale) {
+ delete dnCache;
+ ncthis->dnCache = NULL;
+ }
+
+ if (dnCache == NULL) {
+ const Hashtable* m = getVisibleIDMap(status);
+ if (m != NULL) {
+ ncthis->dnCache = new DNCache(locale);
+ if (dnCache == NULL) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ return result;
+ }
+
+ int32_t pos = 0;
+ const UHashElement* entry = NULL;
+ while ((entry = m->nextElement(pos)) != NULL) {
+ const UnicodeString* id = (const UnicodeString*)entry->key.pointer;
+ ICUServiceFactory* f = (ICUServiceFactory*)entry->value.pointer;
+ UnicodeString dname;
+ f->getDisplayName(*id, locale, dname);
+ if (dname.isBogus()) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ } else {
+ dnCache->cache.put(dname, (void*)id, status); // share pointer with visibleIDMap
+ if (U_SUCCESS(status)) {
+ continue;
+ }
+ }
+ delete dnCache;
+ ncthis->dnCache = NULL;
+ return result;
+ }
+ }
+ }
+ }
+
+ ICUServiceKey* matchKey = createKey(matchID, status);
+ int32_t pos = 0;
+ const UHashElement *entry = NULL;
+ while ((entry = dnCache->cache.nextElement(pos)) != NULL) {
+ const UnicodeString* id = (const UnicodeString*)entry->value.pointer;
+ if (matchKey != NULL && !matchKey->isFallbackOf(*id)) {
+ continue;
+ }
+ const UnicodeString* dn = (const UnicodeString*)entry->key.pointer;
+ StringPair* sp = StringPair::create(*id, *dn, status);
+ result.addElement(sp, status);
+ if (U_FAILURE(status)) {
+ result.removeAllElements();
+ break;
+ }
+ }
+ delete matchKey;
+
+ return result;
+}
+
+URegistryKey
+ICUService::registerInstance(UObject* objToAdopt, const UnicodeString& id, UErrorCode& status)
+{
+ return registerInstance(objToAdopt, id, TRUE, status);
+}
+
+URegistryKey
+ICUService::registerInstance(UObject* objToAdopt, const UnicodeString& id, UBool visible, UErrorCode& status)
+{
+ ICUServiceKey* key = createKey(&id, status);
+ if (key != NULL) {
+ UnicodeString canonicalID;
+ key->canonicalID(canonicalID);
+ delete key;
+
+ ICUServiceFactory* f = createSimpleFactory(objToAdopt, canonicalID, visible, status);
+ if (f != NULL) {
+ return registerFactory(f, status);
+ }
+ }
+ delete objToAdopt;
+ return NULL;
+}
+
+ICUServiceFactory*
+ICUService::createSimpleFactory(UObject* objToAdopt, const UnicodeString& id, UBool visible, UErrorCode& status)
+{
+ if (U_SUCCESS(status)) {
+ if ((objToAdopt != NULL) && (!id.isBogus())) {
+ return new SimpleFactory(objToAdopt, id, visible);
+ }
+ status = U_ILLEGAL_ARGUMENT_ERROR;
+ }
+ return NULL;
+}
+
+URegistryKey
+ICUService::registerFactory(ICUServiceFactory* factoryToAdopt, UErrorCode& status)
+{
+ if (U_SUCCESS(status) && factoryToAdopt != NULL) {
+ Mutex mutex(&lock);
+
+ if (factories == NULL) {
+ factories = new UVector(deleteUObject, NULL, status);
+ if (U_FAILURE(status)) {
+ delete factories;
+ return NULL;
+ }
+ }
+ factories->insertElementAt(factoryToAdopt, 0, status);
+ if (U_SUCCESS(status)) {
+ clearCaches();
+ } else {
+ delete factoryToAdopt;
+ factoryToAdopt = NULL;
+ }
+ }
+
+ if (factoryToAdopt != NULL) {
+ notifyChanged();
+ }
+
+ return (URegistryKey)factoryToAdopt;
+}
+
+UBool
+ICUService::unregister(URegistryKey rkey, UErrorCode& status)
+{
+ ICUServiceFactory *factory = (ICUServiceFactory*)rkey;
+ UBool result = FALSE;
+ if (factory != NULL && factories != NULL) {
+ Mutex mutex(&lock);
+
+ if (factories->removeElement(factory)) {
+ clearCaches();
+ result = TRUE;
+ } else {
+ status = U_ILLEGAL_ARGUMENT_ERROR;
+ delete factory;
+ }
+ }
+ if (result) {
+ notifyChanged();
+ }
+ return result;
+}
+
+void
+ICUService::reset()
+{
+ {
+ Mutex mutex(&lock);
+ reInitializeFactories();
+ clearCaches();
+ }
+ notifyChanged();
+}
+
+void
+ICUService::reInitializeFactories()
+{
+ if (factories != NULL) {
+ factories->removeAllElements();
+ }
+}
+
+UBool
+ICUService::isDefault() const
+{
+ return countFactories() == 0;
+}
+
+ICUServiceKey*
+ICUService::createKey(const UnicodeString* id, UErrorCode& status) const
+{
+ return (U_FAILURE(status) || id == NULL) ? NULL : new ICUServiceKey(*id);
+}
+
+void
+ICUService::clearCaches()
+{
+ // callers synchronize before use
+ ++timestamp;
+ delete dnCache; dnCache = NULL;
+ delete idCache; idCache = NULL;
+ delete serviceCache; serviceCache = NULL;
+}
+
+void
+ICUService::clearServiceCache()
+{
+ // callers synchronize before use
+ delete serviceCache; serviceCache = NULL;
+}
+
+UBool
+ICUService::acceptsListener(const EventListener& l) const
+{
+ return l.getDynamicClassID() == ServiceListener::getStaticClassID();
+}
+
+void
+ICUService::notifyListener(EventListener& l) const
+{
+ ((ServiceListener&)l).serviceChanged(*this);
+}
+
+UnicodeString&
+ICUService::getName(UnicodeString& result) const
+{
+ return result.append(name);
+}
+
+int32_t
+ICUService::countFactories() const
+{
+ return factories == NULL ? 0 : factories->size();
+}
+
+int32_t
+ICUService::getTimestamp() const
+{
+ return timestamp;
+}
+
+U_NAMESPACE_END
+
+/* UCONFIG_NO_SERVICE */
+#endif
projects / apple / icu.git / blobdiff