michael@0: /**
michael@0:  *******************************************************************************
michael@0:  * Copyright (C) 2001-2012, International Business Machines Corporation and    *
michael@0:  * others. All Rights Reserved.                                                *
michael@0:  *******************************************************************************
michael@0:  *
michael@0:  *******************************************************************************
michael@0:  */
michael@0: #include "unicode/utypes.h"
michael@0: 
michael@0: #if !UCONFIG_NO_SERVICE
michael@0: 
michael@0: #include "unicode/resbund.h"
michael@0: #include "uresimp.h"
michael@0: #include "cmemory.h"
michael@0: #include "servloc.h"
michael@0: #include "ustrfmt.h"
michael@0: #include "charstr.h"
michael@0: #include "ucln_cmn.h"
michael@0: #include "uassert.h"
michael@0: 
michael@0: #define UNDERSCORE_CHAR ((UChar)0x005f)
michael@0: #define AT_SIGN_CHAR    ((UChar)64)
michael@0: #define PERIOD_CHAR     ((UChar)46)
michael@0: 
michael@0: U_NAMESPACE_BEGIN
michael@0: 
michael@0: static UMutex llock = U_MUTEX_INITIALIZER;
michael@0: ICULocaleService::ICULocaleService()
michael@0:   : fallbackLocale(Locale::getDefault())
michael@0: {
michael@0: }
michael@0: 
michael@0: ICULocaleService::ICULocaleService(const UnicodeString& dname)
michael@0:   : ICUService(dname)
michael@0:   , fallbackLocale(Locale::getDefault())
michael@0: {
michael@0: }
michael@0: 
michael@0: ICULocaleService::~ICULocaleService()
michael@0: {
michael@0: }
michael@0: 
michael@0: UObject*
michael@0: ICULocaleService::get(const Locale& locale, UErrorCode& status) const
michael@0: {
michael@0:     return get(locale, LocaleKey::KIND_ANY, NULL, status);
michael@0: }
michael@0: 
michael@0: UObject*
michael@0: ICULocaleService::get(const Locale& locale, int32_t kind, UErrorCode& status) const
michael@0: {
michael@0:     return get(locale, kind, NULL, status);
michael@0: }
michael@0: 
michael@0: UObject*
michael@0: ICULocaleService::get(const Locale& locale, Locale* actualReturn, UErrorCode& status) const
michael@0: {
michael@0:     return get(locale, LocaleKey::KIND_ANY, actualReturn, status);
michael@0: }
michael@0: 
michael@0: UObject*
michael@0: ICULocaleService::get(const Locale& locale, int32_t kind, Locale* actualReturn, UErrorCode& status) const
michael@0: {
michael@0:     UObject* result = NULL;
michael@0:     if (U_FAILURE(status)) {
michael@0:         return result;
michael@0:     }
michael@0: 
michael@0:     UnicodeString locName(locale.getName(), -1, US_INV);
michael@0:     if (locName.isBogus()) {
michael@0:         status = U_MEMORY_ALLOCATION_ERROR;
michael@0:     } else {
michael@0:         ICUServiceKey* key = createKey(&locName, kind, status);
michael@0:         if (key) {
michael@0:             if (actualReturn == NULL) {
michael@0:                 result = getKey(*key, status);
michael@0:             } else {
michael@0:                 UnicodeString temp;
michael@0:                 result = getKey(*key, &temp, status);
michael@0: 
michael@0:                 if (result != NULL) {
michael@0:                     key->parseSuffix(temp);
michael@0:                     LocaleUtility::initLocaleFromName(temp, *actualReturn);
michael@0:                 }
michael@0:             }
michael@0:             delete key;
michael@0:         }
michael@0:     }
michael@0:     return result;
michael@0: }
michael@0: 
michael@0: 
michael@0: URegistryKey
michael@0: ICULocaleService::registerInstance(UObject* objToAdopt, const UnicodeString& locale, 
michael@0:     UBool visible, UErrorCode& status)
michael@0: {
michael@0:     Locale loc;
michael@0:     LocaleUtility::initLocaleFromName(locale, loc);
michael@0:     return registerInstance(objToAdopt, loc, LocaleKey::KIND_ANY, 
michael@0:         visible ? LocaleKeyFactory::VISIBLE : LocaleKeyFactory::INVISIBLE, status);
michael@0: }
michael@0: 
michael@0: URegistryKey
michael@0: ICULocaleService::registerInstance(UObject* objToAdopt, const Locale& locale, UErrorCode& status)
michael@0: {
michael@0:     return registerInstance(objToAdopt, locale, LocaleKey::KIND_ANY, LocaleKeyFactory::VISIBLE, status);
michael@0: }
michael@0: 
michael@0: URegistryKey
michael@0: ICULocaleService::registerInstance(UObject* objToAdopt, const Locale& locale, int32_t kind, UErrorCode& status)
michael@0: {
michael@0:     return registerInstance(objToAdopt, locale, kind, LocaleKeyFactory::VISIBLE, status);
michael@0: }
michael@0: 
michael@0: URegistryKey
michael@0: ICULocaleService::registerInstance(UObject* objToAdopt, const Locale& locale, int32_t kind, int32_t coverage, UErrorCode& status)
michael@0: {
michael@0:     ICUServiceFactory * factory = new SimpleLocaleKeyFactory(objToAdopt, locale, kind, coverage);
michael@0:     if (factory != NULL) {
michael@0:         return registerFactory(factory, status);
michael@0:     }
michael@0:     delete objToAdopt;
michael@0:     return NULL;
michael@0: }
michael@0: 
michael@0: #if 0
michael@0: URegistryKey
michael@0: ICULocaleService::registerInstance(UObject* objToAdopt, const UnicodeString& locale, UErrorCode& status)
michael@0: {
michael@0:     return registerInstance(objToAdopt, locale, LocaleKey::KIND_ANY, LocaleKeyFactory::VISIBLE, status);
michael@0: }
michael@0: 
michael@0: URegistryKey
michael@0: ICULocaleService::registerInstance(UObject* objToAdopt, const UnicodeString& locale, UBool visible, UErrorCode& status)
michael@0: {
michael@0:     return registerInstance(objToAdopt, locale, LocaleKey::KIND_ANY,
michael@0:                             visible ? LocaleKeyFactory::VISIBLE : LocaleKeyFactory::INVISIBLE,
michael@0:                             status);
michael@0: }
michael@0: 
michael@0: URegistryKey
michael@0: ICULocaleService::registerInstance(UObject* objToAdopt, const UnicodeString& locale, int32_t kind, int32_t coverage, UErrorCode& status)
michael@0: {
michael@0:     ICUServiceFactory * factory = new SimpleLocaleKeyFactory(objToAdopt, locale, kind, coverage);
michael@0:     if (factory != NULL) {
michael@0:         return registerFactory(factory, status);
michael@0:     }
michael@0:     delete objToAdopt;
michael@0:     return NULL;
michael@0: }
michael@0: #endif
michael@0: 
michael@0: class ServiceEnumeration : public StringEnumeration {
michael@0: private:
michael@0:     const ICULocaleService* _service;
michael@0:     int32_t _timestamp;
michael@0:     UVector _ids;
michael@0:     int32_t _pos;
michael@0: 
michael@0: private:
michael@0:     ServiceEnumeration(const ICULocaleService* service, UErrorCode &status)
michael@0:         : _service(service)
michael@0:         , _timestamp(service->getTimestamp())
michael@0:         , _ids(uprv_deleteUObject, NULL, status)
michael@0:         , _pos(0)
michael@0:     {
michael@0:         _service->getVisibleIDs(_ids, status);
michael@0:     }
michael@0: 
michael@0:     ServiceEnumeration(const ServiceEnumeration &other, UErrorCode &status)
michael@0:         : _service(other._service)
michael@0:         , _timestamp(other._timestamp)
michael@0:         , _ids(uprv_deleteUObject, NULL, status)
michael@0:         , _pos(0)
michael@0:     {
michael@0:         if(U_SUCCESS(status)) {
michael@0:             int32_t i, length;
michael@0: 
michael@0:             length = other._ids.size();
michael@0:             for(i = 0; i < length; ++i) {
michael@0:                 _ids.addElement(((UnicodeString *)other._ids.elementAt(i))->clone(), status);
michael@0:             }
michael@0: 
michael@0:             if(U_SUCCESS(status)) {
michael@0:                 _pos = other._pos;
michael@0:             }
michael@0:         }
michael@0:     }
michael@0: 
michael@0: public:
michael@0:     static ServiceEnumeration* create(const ICULocaleService* service) {
michael@0:         UErrorCode status = U_ZERO_ERROR;
michael@0:         ServiceEnumeration* result = new ServiceEnumeration(service, status);
michael@0:         if (U_SUCCESS(status)) {
michael@0:             return result;
michael@0:         }
michael@0:         delete result;
michael@0:         return NULL;
michael@0:     }
michael@0: 
michael@0:     virtual ~ServiceEnumeration();
michael@0: 
michael@0:     virtual StringEnumeration *clone() const {
michael@0:         UErrorCode status = U_ZERO_ERROR;
michael@0:         ServiceEnumeration *cl = new ServiceEnumeration(*this, status);
michael@0:         if(U_FAILURE(status)) {
michael@0:             delete cl;
michael@0:             cl = NULL;
michael@0:         }
michael@0:         return cl;
michael@0:     }
michael@0: 
michael@0:     UBool upToDate(UErrorCode& status) const {
michael@0:         if (U_SUCCESS(status)) {
michael@0:             if (_timestamp == _service->getTimestamp()) {
michael@0:                 return TRUE;
michael@0:             }
michael@0:             status = U_ENUM_OUT_OF_SYNC_ERROR;
michael@0:         }
michael@0:         return FALSE;
michael@0:     }
michael@0: 
michael@0:     virtual int32_t count(UErrorCode& status) const {
michael@0:         return upToDate(status) ? _ids.size() : 0;
michael@0:     }
michael@0: 
michael@0:     virtual const UnicodeString* snext(UErrorCode& status) {
michael@0:         if (upToDate(status) && (_pos < _ids.size())) {
michael@0:             return (const UnicodeString*)_ids[_pos++];
michael@0:         }
michael@0:         return NULL;
michael@0:     }
michael@0: 
michael@0:     virtual void reset(UErrorCode& status) {
michael@0:         if (status == U_ENUM_OUT_OF_SYNC_ERROR) {
michael@0:             status = U_ZERO_ERROR;
michael@0:         }
michael@0:         if (U_SUCCESS(status)) {
michael@0:             _timestamp = _service->getTimestamp();
michael@0:             _pos = 0;
michael@0:             _service->getVisibleIDs(_ids, status);
michael@0:         }
michael@0:     }
michael@0: 
michael@0: public:
michael@0:     static UClassID U_EXPORT2 getStaticClassID(void);
michael@0:     virtual UClassID getDynamicClassID(void) const;
michael@0: };
michael@0: 
michael@0: ServiceEnumeration::~ServiceEnumeration() {}
michael@0: 
michael@0: UOBJECT_DEFINE_RTTI_IMPLEMENTATION(ServiceEnumeration)
michael@0: 
michael@0: StringEnumeration*
michael@0: ICULocaleService::getAvailableLocales(void) const
michael@0: {
michael@0:     return ServiceEnumeration::create(this);
michael@0: }
michael@0: 
michael@0: const UnicodeString&
michael@0: ICULocaleService::validateFallbackLocale() const
michael@0: {
michael@0:     const Locale&     loc    = Locale::getDefault();
michael@0:     ICULocaleService* ncThis = (ICULocaleService*)this;
michael@0:     {
michael@0:         Mutex mutex(&llock);
michael@0:         if (loc != fallbackLocale) {
michael@0:             ncThis->fallbackLocale = loc;
michael@0:             LocaleUtility::initNameFromLocale(loc, ncThis->fallbackLocaleName);
michael@0:             ncThis->clearServiceCache();
michael@0:         }
michael@0:     }
michael@0:     return fallbackLocaleName;
michael@0: }
michael@0: 
michael@0: ICUServiceKey*
michael@0: ICULocaleService::createKey(const UnicodeString* id, UErrorCode& status) const
michael@0: {
michael@0:     return LocaleKey::createWithCanonicalFallback(id, &validateFallbackLocale(), status);
michael@0: }
michael@0: 
michael@0: ICUServiceKey*
michael@0: ICULocaleService::createKey(const UnicodeString* id, int32_t kind, UErrorCode& status) const
michael@0: {
michael@0:     return LocaleKey::createWithCanonicalFallback(id, &validateFallbackLocale(), kind, status);
michael@0: }
michael@0: 
michael@0: U_NAMESPACE_END
michael@0: 
michael@0: /* !UCONFIG_NO_SERVICE */
michael@0: #endif
michael@0: 
michael@0: