コード例 #1
0
ファイル: ucnv_bld.c プロジェクト: andrewleech/firebird
UConverter *
ucnv_createAlgorithmicConverter(UConverter *myUConverter,
                                UConverterType type,
                                const char *locale, uint32_t options,
                                UErrorCode *err) {
    UConverter *cnv;
    const UConverterSharedData *sharedData;
    UBool isAlgorithmicConverter;

    UTRACE_ENTRY_OC(UTRACE_UCNV_OPEN_ALGORITHMIC);
    UTRACE_DATA1(UTRACE_OPEN_CLOSE, "open algorithmic converter type %d", (int32_t)type);

    if(type<0 || UCNV_NUMBER_OF_SUPPORTED_CONVERTER_TYPES<=type) {
        *err = U_ILLEGAL_ARGUMENT_ERROR;
        UTRACE_EXIT_STATUS(U_ILLEGAL_ARGUMENT_ERROR);
        return NULL;
    }

    sharedData = converterData[type];
    umtx_lock(&cnvCacheMutex);
    isAlgorithmicConverter = (UBool)(sharedData == NULL || sharedData->referenceCounter != ~0);
    umtx_unlock(&cnvCacheMutex);
    if (isAlgorithmicConverter) {
        /* not a valid type, or not an algorithmic converter */
        *err = U_ILLEGAL_ARGUMENT_ERROR;
        UTRACE_EXIT_STATUS(U_ILLEGAL_ARGUMENT_ERROR);
        return NULL;
    }

    cnv = ucnv_createConverterFromSharedData(myUConverter, (UConverterSharedData *)sharedData, "",
                locale != NULL ? locale : "", options, err);

    UTRACE_EXIT_PTR_STATUS(cnv, *err);
    return cnv;
}
コード例 #2
0
ファイル: ucnv_bld.c プロジェクト: andrewleech/firebird
UConverter *
ucnv_createConverter(UConverter *myUConverter, const char *converterName, UErrorCode * err)
{
    UConverterLookupData stackLookup;
    UConverterSharedData *mySharedConverterData;

    UTRACE_ENTRY_OC(UTRACE_UCNV_OPEN);

    if(U_SUCCESS(*err)) {
        UTRACE_DATA1(UTRACE_OPEN_CLOSE, "open converter %s", converterName);

        mySharedConverterData = ucnv_loadSharedData(converterName, &stackLookup, err);

        if(U_SUCCESS(*err)) {
            myUConverter = ucnv_createConverterFromSharedData(
                myUConverter, mySharedConverterData,
                stackLookup.realName, stackLookup.locale, stackLookup.options,
                err);

            if(U_SUCCESS(*err)) {
                UTRACE_EXIT_PTR_STATUS(myUConverter, *err);
                return myUConverter;
            } else {
                ucnv_unloadSharedDataIfReady(mySharedConverterData);
            }
        }
    }

    /* exit with error */
    UTRACE_EXIT_STATUS(*err);
    return NULL;
}
コード例 #3
0
ファイル: ucol.cpp プロジェクト: GuillaumeSmaha/stringi
U_CAPI void U_EXPORT2
ucol_close(UCollator *coll)
{
    UTRACE_ENTRY_OC(UTRACE_UCOL_CLOSE);
    UTRACE_DATA1(UTRACE_INFO, "coll = %p", coll);
    if(coll != NULL) {
        delete Collator::fromUCollator(coll);
    }
    UTRACE_EXIT();
}
コード例 #4
0
U_CAPI UCollator*
ucol_open(const char *loc,
          UErrorCode *status)
{
    U_NAMESPACE_USE

    UTRACE_ENTRY_OC(UTRACE_UCOL_OPEN);
    UTRACE_DATA1(UTRACE_INFO, "locale = \"%s\"", loc);
    UCollator *result = NULL;

    u_init(status);
#if !UCONFIG_NO_SERVICE
    result = Collator::createUCollator(loc, status);
    if (result == NULL)
#endif
    {
        result = ucol_open_internal(loc, status);
    }
    UTRACE_EXIT_PTR_STATUS(result, *status);
    return result;
}
コード例 #5
0
ファイル: ucol_sit.cpp プロジェクト: cran/stringi
U_CAPI UCollator* U_EXPORT2
ucol_openFromShortString( const char *definition,
                          UBool forceDefaults,
                          UParseError *parseError,
                          UErrorCode *status)
{
    UTRACE_ENTRY_OC(UTRACE_UCOL_OPEN_FROM_SHORT_STRING);
    UTRACE_DATA1(UTRACE_INFO, "short string = \"%s\"", definition);

    if(U_FAILURE(*status)) return 0;

    UParseError internalParseError;

    if(!parseError) {
        parseError = &internalParseError;
    }
    parseError->line = 0;
    parseError->offset = 0;
    parseError->preContext[0] = 0;
    parseError->postContext[0] = 0;


    // first we want to pick stuff out of short string.
    // we'll end up with an UCA version, locale and a bunch of
    // settings

    // analyse the string in order to get everything we need.
    const char *string = definition;
    CollatorSpec s;
    ucol_sit_initCollatorSpecs(&s);
    string = ucol_sit_readSpecs(&s, definition, parseError, status);
    ucol_sit_calculateWholeLocale(&s);

    char buffer[internalBufferSize];
    uprv_memset(buffer, 0, internalBufferSize);
    uloc_canonicalize(s.locale, buffer, internalBufferSize, status);

    UCollator *result = ucol_open(buffer, status);
    int32_t i = 0;

    for(i = 0; i < UCOL_ATTRIBUTE_COUNT; i++) {
        if(s.options[i] != UCOL_DEFAULT) {
            if(forceDefaults || ucol_getAttribute(result, (UColAttribute)i, status) != s.options[i]) {
                ucol_setAttribute(result, (UColAttribute)i, s.options[i], status);
            }

            if(U_FAILURE(*status)) {
                parseError->offset = (int32_t)(string - definition);
                ucol_close(result);
                return NULL;
            }

        }
    }
    if(s.variableTopSet) {
        if(s.variableTopString[0]) {
            ucol_setVariableTop(result, s.variableTopString, s.variableTopStringLen, status);
        } else { // we set by value, using 'B'
            ucol_restoreVariableTop(result, s.variableTopValue, status);
        }
    }


    if(U_FAILURE(*status)) { // here it can only be a bogus value
        ucol_close(result);
        result = NULL;
    }

    UTRACE_EXIT_PTR_STATUS(result, *status);
    return result;
}
コード例 #6
0
ファイル: ucnv_bld.c プロジェクト: andrewleech/firebird
/*Frees all shared immutable objects that aren't referred to (reference count = 0)
 */
U_CAPI int32_t U_EXPORT2
ucnv_flushCache ()
{
    UConverterSharedData *mySharedData = NULL;
    int32_t pos;
    int32_t tableDeletedNum = 0;
    const UHashElement *e;
    UErrorCode status = U_ILLEGAL_ARGUMENT_ERROR;
    int32_t i, remaining;

    UTRACE_ENTRY_OC(UTRACE_UCNV_FLUSH_CACHE);

    /* Close the default converter without creating a new one so that everything will be flushed. */
    ucnv_close(u_getDefaultConverter(&status));

    /*if shared data hasn't even been lazy evaluated yet
    * return 0
    */
    if (SHARED_DATA_HASHTABLE == NULL) {
        UTRACE_EXIT_VALUE((int32_t)0);
        return 0;
    }

    /*creates an enumeration to iterate through every element in the
    * table
    *
    * Synchronization:  holding cnvCacheMutex will prevent any other thread from
    *                   accessing or modifying the hash table during the iteration.
    *                   The reference count of an entry may be decremented by
    *                   ucnv_close while the iteration is in process, but this is
    *                   benign.  It can't be incremented (in ucnv_createConverter())
    *                   because the sequence of looking up in the cache + incrementing
    *                   is protected by cnvCacheMutex.
    */
    umtx_lock(&cnvCacheMutex);
    /*
     * double loop: A delta/extension-only converter has a pointer to its base table's
     * shared data; the first iteration of the outer loop may see the delta converter
     * before the base converter, and unloading the delta converter may get the base
     * converter's reference counter down to 0.
     */
    i = 0;
    do {
        remaining = 0;
        pos = -1;
        while ((e = uhash_nextElement (SHARED_DATA_HASHTABLE, &pos)) != NULL)
        {
            mySharedData = (UConverterSharedData *) e->value.pointer;
            /*deletes only if reference counter == 0 */
            if (mySharedData->referenceCounter == 0)
            {
                tableDeletedNum++;
            
                UCNV_DEBUG_LOG("del",mySharedData->staticData->name,mySharedData);
            
                uhash_removeElement(SHARED_DATA_HASHTABLE, e);
                mySharedData->sharedDataCached = FALSE;
                ucnv_deleteSharedConverterData (mySharedData);
            } else {
                ++remaining;
            }
        }
    } while(++i == 1 && remaining > 0);
    umtx_unlock(&cnvCacheMutex);

    UTRACE_DATA1(UTRACE_INFO, "ucnv_flushCache() exits with %d converters remaining", remaining);

    ucnv_io_flushAvailableConverterCache();

    UTRACE_EXIT_VALUE(tableDeletedNum);
    return tableDeletedNum;
}