U_CAPI void U_EXPORT2
u_init(UErrorCode *status) {
UTRACE_ENTRY_OC(UTRACE_U_INIT);
/* Make sure the global mutexes are initialized. */
umtx_init(NULL);
umtx_lock(&gICUInitMutex);
if (gICUInitialized || U_FAILURE(*status)) {
umtx_unlock(&gICUInitMutex);
UTRACE_EXIT_STATUS(*status);
return;
}
/* Do any required init for services that don't have open operations
* and use "only" the double-check initialization method for performance
* reasons (avoiding a mutex lock even for _checking_ whether the
* initialization had occurred).
*/
/* Char Properties */
uprv_loadPropsData(status);
#if !UCONFIG_NO_NORMALIZATION
/* Normalization */
unorm_haveData(status);
#endif
gICUInitialized = TRUE; /* TODO: don't set if U_FAILURE? */
umtx_unlock(&gICUInitMutex);
UTRACE_EXIT_STATUS(*status);
}
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;
}
/*
* ICU Initialization Function. Need not be called.
*/
U_CAPI void U_EXPORT2
u_init(UErrorCode *status) {
UTRACE_ENTRY_OC(UTRACE_U_INIT);
/* initialize plugins */
uplug_init(status);
umtx_lock(&gICUInitMutex);
if (gICUInitialized || U_FAILURE(*status)) {
umtx_unlock(&gICUInitMutex);
UTRACE_EXIT_STATUS(*status);
return;
}
/*
* 2005-may-02
*
* ICU4C 3.4 (jitterbug 4497) hardcodes the data for Unicode character
* properties for APIs that want to be fast.
* Therefore, we need not load them here nor check for errors.
* Instead, we load the converter alias table to see if any ICU data
* is available.
* Users should really open the service objects they need and check
* for errors there, to make sure that the actual items they need are
* available.
*/
#if !UCONFIG_NO_CONVERSION
ucnv_io_countKnownConverters(status);
#endif
gICUInitialized = TRUE; /* TODO: don't set if U_FAILURE? */
umtx_unlock(&gICUInitMutex);
UTRACE_EXIT_STATUS(*status);
}
UConverter*
ucnv_createConverterFromPackage(const char *packageName, const char *converterName, UErrorCode * err)
{
char cnvName[UCNV_MAX_CONVERTER_NAME_LENGTH], locale[ULOC_FULLNAME_CAPACITY];
UConverter *myUConverter;
UConverterSharedData *mySharedConverterData;
UConverterLoadArgs args={ 0 };
UTRACE_ENTRY_OC(UTRACE_UCNV_OPEN_PACKAGE);
if(U_FAILURE(*err)) {
UTRACE_EXIT_STATUS(*err);
return NULL;
}
UTRACE_DATA2(UTRACE_OPEN_CLOSE, "open converter %s from package %s", converterName, packageName);
args.size=sizeof(UConverterLoadArgs);
args.nestedLoads=1;
args.pkg=packageName;
/* first, get the options out of the converterName string */
parseConverterOptions(converterName, cnvName, locale, &args.options, err);
if (U_FAILURE(*err)) {
/* Very bad name used. */
UTRACE_EXIT_STATUS(*err);
return NULL;
}
args.name=cnvName;
/* open the data, unflatten the shared structure */
mySharedConverterData = createConverterFromFile(&args, err);
if (U_FAILURE(*err)) {
UTRACE_EXIT_STATUS(*err);
return NULL;
}
/* create the actual converter */
myUConverter = ucnv_createConverterFromSharedData(NULL, mySharedConverterData, cnvName, locale, args.options, err);
if (U_FAILURE(*err)) {
ucnv_close(myUConverter);
UTRACE_EXIT_STATUS(*err);
return NULL;
}
UTRACE_EXIT_PTR_STATUS(myUConverter, *err);
return myUConverter;
}
U_CAPI void U_EXPORT2
u_init(UErrorCode *status) {
UTRACE_ENTRY_OC(UTRACE_U_INIT);
/* Make sure the global mutexes are initialized. */
umtx_init(NULL);
umtx_lock(&gICUInitMutex);
if (gICUInitialized || U_FAILURE(*status)) {
umtx_unlock(&gICUInitMutex);
UTRACE_EXIT_STATUS(*status);
return;
}
#if 1
/*
* 2005-may-02
*
* ICU4C 3.4 (jitterbug 4497) hardcodes the data for Unicode character
* properties for APIs that want to be fast.
* Therefore, we need not load them here nor check for errors.
* Instead, we load the converter alias table to see if any ICU data
* is available.
* Users should really open the service objects they need and check
* for errors there, to make sure that the actual items they need are
* available.
*/
#if !UCONFIG_NO_CONVERSION
ucnv_io_countKnownConverters(status);
#endif
#else
/* Do any required init for services that don't have open operations
* and use "only" the double-check initialization method for performance
* reasons (avoiding a mutex lock even for _checking_ whether the
* initialization had occurred).
*/
/* Char Properties */
uprv_haveProperties(status);
/* load the case and bidi properties but don't fail if they are not available */
u_isULowercase(0x61);
u_getIntPropertyValue(0x200D, UCHAR_JOINING_TYPE); /* ZERO WIDTH JOINER: Join_Causing */
#if !UCONFIG_NO_NORMALIZATION
/* Normalization */
unorm_haveData(status);
#endif
#endif
gICUInitialized = TRUE; /* TODO: don't set if U_FAILURE? */
umtx_unlock(&gICUInitMutex);
UTRACE_EXIT_STATUS(*status);
}
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;
}
/*Takes an alias name gets an actual converter file name
*goes to disk and opens it.
*allocates the memory and returns a new UConverter object
*/
static UConverterSharedData *createConverterFromFile(UConverterLoadArgs *pArgs, UErrorCode * err)
{
UDataMemory *data;
UConverterSharedData *sharedData;
UTRACE_ENTRY_OC(UTRACE_UCNV_LOAD);
if (err == NULL || U_FAILURE (*err)) {
UTRACE_EXIT_STATUS(*err);
return NULL;
}
UTRACE_DATA2(UTRACE_OPEN_CLOSE, "load converter %s from package %s", pArgs->name, pArgs->pkg);
data = udata_openChoice(pArgs->pkg, DATA_TYPE, pArgs->name, isCnvAcceptable, NULL, err);
if(U_FAILURE(*err))
{
UTRACE_EXIT_STATUS(*err);
return NULL;
}
sharedData = ucnv_data_unFlattenClone(pArgs, data, err);
if(U_FAILURE(*err))
{
udata_close(data);
UTRACE_EXIT_STATUS(*err);
return NULL;
}
/*
* TODO Store pkg in a field in the shared data so that delta-only converters
* can load base converters from the same package.
* If the pkg name is longer than the field, then either do not load the converter
* in the first place, or just set the pkg field to "".
*/
UTRACE_EXIT_PTR_STATUS(sharedData, *err);
return sharedData;
}
U_NAMESPACE_END
U_NAMESPACE_USE
/*
* ICU Initialization Function. Need not be called.
*/
U_CAPI void U_EXPORT2
u_init(UErrorCode *status) {
UTRACE_ENTRY_OC(UTRACE_U_INIT);
umtx_initOnce(gICUInitOnce, &initData, *status);
UTRACE_EXIT_STATUS(*status);
}
