intl/icu/source/common/servls.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/intl/icu/source/common/servls.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,294 @@
     1.4 +/**
     1.5 + *******************************************************************************
     1.6 + * Copyright (C) 2001-2012, International Business Machines Corporation and    *
     1.7 + * others. All Rights Reserved.                                                *
     1.8 + *******************************************************************************
     1.9 + *
    1.10 + *******************************************************************************
    1.11 + */
    1.12 +#include "unicode/utypes.h"
    1.13 +
    1.14 +#if !UCONFIG_NO_SERVICE
    1.15 +
    1.16 +#include "unicode/resbund.h"
    1.17 +#include "uresimp.h"
    1.18 +#include "cmemory.h"
    1.19 +#include "servloc.h"
    1.20 +#include "ustrfmt.h"
    1.21 +#include "charstr.h"
    1.22 +#include "ucln_cmn.h"
    1.23 +#include "uassert.h"
    1.24 +
    1.25 +#define UNDERSCORE_CHAR ((UChar)0x005f)
    1.26 +#define AT_SIGN_CHAR    ((UChar)64)
    1.27 +#define PERIOD_CHAR     ((UChar)46)
    1.28 +
    1.29 +U_NAMESPACE_BEGIN
    1.30 +
    1.31 +static UMutex llock = U_MUTEX_INITIALIZER;
    1.32 +ICULocaleService::ICULocaleService()
    1.33 +  : fallbackLocale(Locale::getDefault())
    1.34 +{
    1.35 +}
    1.36 +
    1.37 +ICULocaleService::ICULocaleService(const UnicodeString& dname)
    1.38 +  : ICUService(dname)
    1.39 +  , fallbackLocale(Locale::getDefault())
    1.40 +{
    1.41 +}
    1.42 +
    1.43 +ICULocaleService::~ICULocaleService()
    1.44 +{
    1.45 +}
    1.46 +
    1.47 +UObject*
    1.48 +ICULocaleService::get(const Locale& locale, UErrorCode& status) const
    1.49 +{
    1.50 +    return get(locale, LocaleKey::KIND_ANY, NULL, status);
    1.51 +}
    1.52 +
    1.53 +UObject*
    1.54 +ICULocaleService::get(const Locale& locale, int32_t kind, UErrorCode& status) const
    1.55 +{
    1.56 +    return get(locale, kind, NULL, status);
    1.57 +}
    1.58 +
    1.59 +UObject*
    1.60 +ICULocaleService::get(const Locale& locale, Locale* actualReturn, UErrorCode& status) const
    1.61 +{
    1.62 +    return get(locale, LocaleKey::KIND_ANY, actualReturn, status);
    1.63 +}
    1.64 +
    1.65 +UObject*
    1.66 +ICULocaleService::get(const Locale& locale, int32_t kind, Locale* actualReturn, UErrorCode& status) const
    1.67 +{
    1.68 +    UObject* result = NULL;
    1.69 +    if (U_FAILURE(status)) {
    1.70 +        return result;
    1.71 +    }
    1.72 +
    1.73 +    UnicodeString locName(locale.getName(), -1, US_INV);
    1.74 +    if (locName.isBogus()) {
    1.75 +        status = U_MEMORY_ALLOCATION_ERROR;
    1.76 +    } else {
    1.77 +        ICUServiceKey* key = createKey(&locName, kind, status);
    1.78 +        if (key) {
    1.79 +            if (actualReturn == NULL) {
    1.80 +                result = getKey(*key, status);
    1.81 +            } else {
    1.82 +                UnicodeString temp;
    1.83 +                result = getKey(*key, &temp, status);
    1.84 +
    1.85 +                if (result != NULL) {
    1.86 +                    key->parseSuffix(temp);
    1.87 +                    LocaleUtility::initLocaleFromName(temp, *actualReturn);
    1.88 +                }
    1.89 +            }
    1.90 +            delete key;
    1.91 +        }
    1.92 +    }
    1.93 +    return result;
    1.94 +}
    1.95 +
    1.96 +
    1.97 +URegistryKey
    1.98 +ICULocaleService::registerInstance(UObject* objToAdopt, const UnicodeString& locale, 
    1.99 +    UBool visible, UErrorCode& status)
   1.100 +{
   1.101 +    Locale loc;
   1.102 +    LocaleUtility::initLocaleFromName(locale, loc);
   1.103 +    return registerInstance(objToAdopt, loc, LocaleKey::KIND_ANY, 
   1.104 +        visible ? LocaleKeyFactory::VISIBLE : LocaleKeyFactory::INVISIBLE, status);
   1.105 +}
   1.106 +
   1.107 +URegistryKey
   1.108 +ICULocaleService::registerInstance(UObject* objToAdopt, const Locale& locale, UErrorCode& status)
   1.109 +{
   1.110 +    return registerInstance(objToAdopt, locale, LocaleKey::KIND_ANY, LocaleKeyFactory::VISIBLE, status);
   1.111 +}
   1.112 +
   1.113 +URegistryKey
   1.114 +ICULocaleService::registerInstance(UObject* objToAdopt, const Locale& locale, int32_t kind, UErrorCode& status)
   1.115 +{
   1.116 +    return registerInstance(objToAdopt, locale, kind, LocaleKeyFactory::VISIBLE, status);
   1.117 +}
   1.118 +
   1.119 +URegistryKey
   1.120 +ICULocaleService::registerInstance(UObject* objToAdopt, const Locale& locale, int32_t kind, int32_t coverage, UErrorCode& status)
   1.121 +{
   1.122 +    ICUServiceFactory * factory = new SimpleLocaleKeyFactory(objToAdopt, locale, kind, coverage);
   1.123 +    if (factory != NULL) {
   1.124 +        return registerFactory(factory, status);
   1.125 +    }
   1.126 +    delete objToAdopt;
   1.127 +    return NULL;
   1.128 +}
   1.129 +
   1.130 +#if 0
   1.131 +URegistryKey
   1.132 +ICULocaleService::registerInstance(UObject* objToAdopt, const UnicodeString& locale, UErrorCode& status)
   1.133 +{
   1.134 +    return registerInstance(objToAdopt, locale, LocaleKey::KIND_ANY, LocaleKeyFactory::VISIBLE, status);
   1.135 +}
   1.136 +
   1.137 +URegistryKey
   1.138 +ICULocaleService::registerInstance(UObject* objToAdopt, const UnicodeString& locale, UBool visible, UErrorCode& status)
   1.139 +{
   1.140 +    return registerInstance(objToAdopt, locale, LocaleKey::KIND_ANY,
   1.141 +                            visible ? LocaleKeyFactory::VISIBLE : LocaleKeyFactory::INVISIBLE,
   1.142 +                            status);
   1.143 +}
   1.144 +
   1.145 +URegistryKey
   1.146 +ICULocaleService::registerInstance(UObject* objToAdopt, const UnicodeString& locale, int32_t kind, int32_t coverage, UErrorCode& status)
   1.147 +{
   1.148 +    ICUServiceFactory * factory = new SimpleLocaleKeyFactory(objToAdopt, locale, kind, coverage);
   1.149 +    if (factory != NULL) {
   1.150 +        return registerFactory(factory, status);
   1.151 +    }
   1.152 +    delete objToAdopt;
   1.153 +    return NULL;
   1.154 +}
   1.155 +#endif
   1.156 +
   1.157 +class ServiceEnumeration : public StringEnumeration {
   1.158 +private:
   1.159 +    const ICULocaleService* _service;
   1.160 +    int32_t _timestamp;
   1.161 +    UVector _ids;
   1.162 +    int32_t _pos;
   1.163 +
   1.164 +private:
   1.165 +    ServiceEnumeration(const ICULocaleService* service, UErrorCode &status)
   1.166 +        : _service(service)
   1.167 +        , _timestamp(service->getTimestamp())
   1.168 +        , _ids(uprv_deleteUObject, NULL, status)
   1.169 +        , _pos(0)
   1.170 +    {
   1.171 +        _service->getVisibleIDs(_ids, status);
   1.172 +    }
   1.173 +
   1.174 +    ServiceEnumeration(const ServiceEnumeration &other, UErrorCode &status)
   1.175 +        : _service(other._service)
   1.176 +        , _timestamp(other._timestamp)
   1.177 +        , _ids(uprv_deleteUObject, NULL, status)
   1.178 +        , _pos(0)
   1.179 +    {
   1.180 +        if(U_SUCCESS(status)) {
   1.181 +            int32_t i, length;
   1.182 +
   1.183 +            length = other._ids.size();
   1.184 +            for(i = 0; i < length; ++i) {
   1.185 +                _ids.addElement(((UnicodeString *)other._ids.elementAt(i))->clone(), status);
   1.186 +            }
   1.187 +
   1.188 +            if(U_SUCCESS(status)) {
   1.189 +                _pos = other._pos;
   1.190 +            }
   1.191 +        }
   1.192 +    }
   1.193 +
   1.194 +public:
   1.195 +    static ServiceEnumeration* create(const ICULocaleService* service) {
   1.196 +        UErrorCode status = U_ZERO_ERROR;
   1.197 +        ServiceEnumeration* result = new ServiceEnumeration(service, status);
   1.198 +        if (U_SUCCESS(status)) {
   1.199 +            return result;
   1.200 +        }
   1.201 +        delete result;
   1.202 +        return NULL;
   1.203 +    }
   1.204 +
   1.205 +    virtual ~ServiceEnumeration();
   1.206 +
   1.207 +    virtual StringEnumeration *clone() const {
   1.208 +        UErrorCode status = U_ZERO_ERROR;
   1.209 +        ServiceEnumeration *cl = new ServiceEnumeration(*this, status);
   1.210 +        if(U_FAILURE(status)) {
   1.211 +            delete cl;
   1.212 +            cl = NULL;
   1.213 +        }
   1.214 +        return cl;
   1.215 +    }
   1.216 +
   1.217 +    UBool upToDate(UErrorCode& status) const {
   1.218 +        if (U_SUCCESS(status)) {
   1.219 +            if (_timestamp == _service->getTimestamp()) {
   1.220 +                return TRUE;
   1.221 +            }
   1.222 +            status = U_ENUM_OUT_OF_SYNC_ERROR;
   1.223 +        }
   1.224 +        return FALSE;
   1.225 +    }
   1.226 +
   1.227 +    virtual int32_t count(UErrorCode& status) const {
   1.228 +        return upToDate(status) ? _ids.size() : 0;
   1.229 +    }
   1.230 +
   1.231 +    virtual const UnicodeString* snext(UErrorCode& status) {
   1.232 +        if (upToDate(status) && (_pos < _ids.size())) {
   1.233 +            return (const UnicodeString*)_ids[_pos++];
   1.234 +        }
   1.235 +        return NULL;
   1.236 +    }
   1.237 +
   1.238 +    virtual void reset(UErrorCode& status) {
   1.239 +        if (status == U_ENUM_OUT_OF_SYNC_ERROR) {
   1.240 +            status = U_ZERO_ERROR;
   1.241 +        }
   1.242 +        if (U_SUCCESS(status)) {
   1.243 +            _timestamp = _service->getTimestamp();
   1.244 +            _pos = 0;
   1.245 +            _service->getVisibleIDs(_ids, status);
   1.246 +        }
   1.247 +    }
   1.248 +
   1.249 +public:
   1.250 +    static UClassID U_EXPORT2 getStaticClassID(void);
   1.251 +    virtual UClassID getDynamicClassID(void) const;
   1.252 +};
   1.253 +
   1.254 +ServiceEnumeration::~ServiceEnumeration() {}
   1.255 +
   1.256 +UOBJECT_DEFINE_RTTI_IMPLEMENTATION(ServiceEnumeration)
   1.257 +
   1.258 +StringEnumeration*
   1.259 +ICULocaleService::getAvailableLocales(void) const
   1.260 +{
   1.261 +    return ServiceEnumeration::create(this);
   1.262 +}
   1.263 +
   1.264 +const UnicodeString&
   1.265 +ICULocaleService::validateFallbackLocale() const
   1.266 +{
   1.267 +    const Locale&     loc    = Locale::getDefault();
   1.268 +    ICULocaleService* ncThis = (ICULocaleService*)this;
   1.269 +    {
   1.270 +        Mutex mutex(&llock);
   1.271 +        if (loc != fallbackLocale) {
   1.272 +            ncThis->fallbackLocale = loc;
   1.273 +            LocaleUtility::initNameFromLocale(loc, ncThis->fallbackLocaleName);
   1.274 +            ncThis->clearServiceCache();
   1.275 +        }
   1.276 +    }
   1.277 +    return fallbackLocaleName;
   1.278 +}
   1.279 +
   1.280 +ICUServiceKey*
   1.281 +ICULocaleService::createKey(const UnicodeString* id, UErrorCode& status) const
   1.282 +{
   1.283 +    return LocaleKey::createWithCanonicalFallback(id, &validateFallbackLocale(), status);
   1.284 +}
   1.285 +
   1.286 +ICUServiceKey*
   1.287 +ICULocaleService::createKey(const UnicodeString* id, int32_t kind, UErrorCode& status) const
   1.288 +{
   1.289 +    return LocaleKey::createWithCanonicalFallback(id, &validateFallbackLocale(), kind, status);
   1.290 +}
   1.291 +
   1.292 +U_NAMESPACE_END
   1.293 +
   1.294 +/* !UCONFIG_NO_SERVICE */
   1.295 +#endif
   1.296 +
   1.297 +

mercurial