+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
-* Copyright (C) 2010, International Business Machines Corporation and
+* Copyright (C) 2010-2015, International Business Machines Corporation and
* others. All Rights Reserved.
*******************************************************************************
*
#include "unicode/schriter.h"
#include "unicode/numsys.h"
#include "cstring.h"
+#include "uassert.h"
+#include "ucln_in.h"
+#include "umutex.h"
#include "uresimp.h"
+#include "numsys_impl.h"
#if !UCONFIG_NO_FORMATTING
static const char gNumberingSystems[] = "numberingSystems";
static const char gNumberElements[] = "NumberElements";
static const char gDefault[] = "default";
+static const char gNative[] = "native";
+static const char gTraditional[] = "traditional";
+static const char gFinance[] = "finance";
static const char gDesc[] = "desc";
static const char gRadix[] = "radix";
static const char gAlgorithmic[] = "algorithmic";
UOBJECT_DEFINE_RTTI_IMPLEMENTATION(NumberingSystem)
+UOBJECT_DEFINE_RTTI_IMPLEMENTATION(NumsysNameEnumeration)
/**
* Default Constructor.
NumberingSystem::createInstance(int32_t radix_in, UBool isAlgorithmic_in, const UnicodeString & desc_in, UErrorCode &status) {
if (U_FAILURE(status)) {
- return NULL;
+ return nullptr;
}
if ( radix_in < 2 ) {
status = U_ILLEGAL_ARGUMENT_ERROR;
- return NULL;
+ return nullptr;
}
if ( !isAlgorithmic_in ) {
- if ( desc_in.countChar32() != radix_in || !isValidDigitString(desc_in)) {
+ if ( desc_in.countChar32() != radix_in ) {
status = U_ILLEGAL_ARGUMENT_ERROR;
- return NULL;
+ return nullptr;
}
}
- NumberingSystem *ns = new NumberingSystem();
+ LocalPointer<NumberingSystem> ns(new NumberingSystem(), status);
+ if (U_FAILURE(status)) {
+ return nullptr;
+ }
ns->setRadix(radix_in);
ns->setDesc(desc_in);
ns->setAlgorithmic(isAlgorithmic_in);
- ns->setName(NULL);
- return ns;
-
-}
+ ns->setName(nullptr);
+ return ns.orphan();
+}
NumberingSystem* U_EXPORT2
NumberingSystem::createInstance(const Locale & inLocale, UErrorCode& status) {
if (U_FAILURE(status)) {
- return NULL;
- }
+ return nullptr;
+ }
+ UBool nsResolved = TRUE;
+ UBool usingFallback = FALSE;
char buffer[ULOC_KEYWORDS_CAPACITY];
- int32_t count = inLocale.getKeywordValue("numbers",buffer, sizeof(buffer),status);
+ int32_t count = inLocale.getKeywordValue("numbers", buffer, sizeof(buffer), status);
+ if (U_FAILURE(status) || status == U_STRING_NOT_TERMINATED_WARNING) {
+ // the "numbers" keyword exceeds ULOC_KEYWORDS_CAPACITY; ignore and use default.
+ count = 0;
+ status = U_ZERO_ERROR;
+ }
if ( count > 0 ) { // @numbers keyword was specified in the locale
+ U_ASSERT(count < ULOC_KEYWORDS_CAPACITY);
buffer[count] = '\0'; // Make sure it is null terminated.
- return NumberingSystem::createInstanceByName(buffer,status);
- } else { // Find the default numbering system for this locale.
- UResourceBundle *resource = ures_open(NULL, inLocale.getName(), &status);
- UResourceBundle *numberElementsRes = ures_getByKey(resource,gNumberElements,NULL,&status);
- const UChar *defaultNSName =
- ures_getStringByKeyWithFallback(numberElementsRes, gDefault, &count, &status);
- ures_close(numberElementsRes);
- ures_close(resource);
-
- if (U_FAILURE(status)) {
- status = U_USING_FALLBACK_WARNING;
- NumberingSystem *ns = new NumberingSystem();
- return ns;
- }
-
- if ( count > 0 && count < ULOC_KEYWORDS_CAPACITY ) { // Default numbering system found
- u_UCharsToChars(defaultNSName,buffer,count);
- buffer[count] = '\0'; // Make sure it is null terminated.
- return NumberingSystem::createInstanceByName(buffer,status);
- } else {
- status = U_USING_FALLBACK_WARNING;
- NumberingSystem *ns = new NumberingSystem();
- return ns;
+ if ( !uprv_strcmp(buffer,gDefault) || !uprv_strcmp(buffer,gNative) ||
+ !uprv_strcmp(buffer,gTraditional) || !uprv_strcmp(buffer,gFinance)) {
+ nsResolved = FALSE;
+ }
+ } else {
+ uprv_strcpy(buffer, gDefault);
+ nsResolved = FALSE;
+ }
+
+ if (!nsResolved) { // Resolve the numbering system ( default, native, traditional or finance ) into a "real" numbering system
+ UErrorCode localStatus = U_ZERO_ERROR;
+ LocalUResourceBundlePointer resource(ures_open(nullptr, inLocale.getName(), &localStatus));
+ LocalUResourceBundlePointer numberElementsRes(ures_getByKey(resource.getAlias(), gNumberElements, nullptr, &localStatus));
+ // Don't stomp on the catastrophic failure of OOM.
+ if (localStatus == U_MEMORY_ALLOCATION_ERROR) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ return nullptr;
+ }
+ while (!nsResolved) {
+ localStatus = U_ZERO_ERROR;
+ count = 0;
+ const UChar *nsName = ures_getStringByKeyWithFallback(numberElementsRes.getAlias(), buffer, &count, &localStatus);
+ // Don't stomp on the catastrophic failure of OOM.
+ if (localStatus == U_MEMORY_ALLOCATION_ERROR) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ return nullptr;
+ }
+ if ( count > 0 && count < ULOC_KEYWORDS_CAPACITY ) { // numbering system found
+ u_UCharsToChars(nsName, buffer, count);
+ buffer[count] = '\0'; // Make sure it is null terminated.
+ nsResolved = TRUE;
+ }
+
+ if (!nsResolved) { // Fallback behavior per TR35 - traditional falls back to native, finance and native fall back to default
+ if (!uprv_strcmp(buffer,gNative) || !uprv_strcmp(buffer,gFinance)) {
+ uprv_strcpy(buffer,gDefault);
+ } else if (!uprv_strcmp(buffer,gTraditional)) {
+ uprv_strcpy(buffer,gNative);
+ } else { // If we get here we couldn't find even the default numbering system
+ usingFallback = TRUE;
+ nsResolved = TRUE;
+ }
+ }
}
-
}
-}
+
+ if (usingFallback) {
+ status = U_USING_FALLBACK_WARNING;
+ NumberingSystem *ns = new NumberingSystem();
+ if (ns == nullptr) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ }
+ return ns;
+ } else {
+ return NumberingSystem::createInstanceByName(buffer, status);
+ }
+ }
NumberingSystem* U_EXPORT2
NumberingSystem::createInstance(UErrorCode& status) {
NumberingSystem* U_EXPORT2
NumberingSystem::createInstanceByName(const char *name, UErrorCode& status) {
-
- UResourceBundle *numberingSystemsInfo = NULL;
- UResourceBundle *nsTop, *nsCurrent;
- const UChar* description = NULL;
- int32_t radix = 10;
- int32_t algorithmic = 0;
- int32_t len;
+ int32_t radix = 10;
+ int32_t algorithmic = 0;
- numberingSystemsInfo = ures_openDirect(NULL,gNumberingSystems, &status);
- nsCurrent = ures_getByKey(numberingSystemsInfo,gNumberingSystems,NULL,&status);
- nsTop = ures_getByKey(nsCurrent,name,NULL,&status);
- description = ures_getStringByKey(nsTop,gDesc,&len,&status);
+ LocalUResourceBundlePointer numberingSystemsInfo(ures_openDirect(nullptr, gNumberingSystems, &status));
+ LocalUResourceBundlePointer nsCurrent(ures_getByKey(numberingSystemsInfo.getAlias(), gNumberingSystems, nullptr, &status));
+ LocalUResourceBundlePointer nsTop(ures_getByKey(nsCurrent.getAlias(), name, nullptr, &status));
- ures_getByKey(nsTop,gRadix,nsCurrent,&status);
- radix = ures_getInt(nsCurrent,&status);
+ UnicodeString nsd = ures_getUnicodeStringByKey(nsTop.getAlias(), gDesc, &status);
- ures_getByKey(nsTop,gAlgorithmic,nsCurrent,&status);
- algorithmic = ures_getInt(nsCurrent,&status);
+ ures_getByKey(nsTop.getAlias(), gRadix, nsCurrent.getAlias(), &status);
+ radix = ures_getInt(nsCurrent.getAlias(), &status);
- UBool isAlgorithmic = ( algorithmic == 1 );
- UnicodeString nsd;
- nsd.setTo(description);
+ ures_getByKey(nsTop.getAlias(), gAlgorithmic, nsCurrent.getAlias(), &status);
+ algorithmic = ures_getInt(nsCurrent.getAlias(), &status);
- ures_close(nsCurrent);
- ures_close(nsTop);
- ures_close(numberingSystemsInfo);
+ UBool isAlgorithmic = ( algorithmic == 1 );
- if (U_FAILURE(status)) {
- status = U_UNSUPPORTED_ERROR;
- return NULL;
- }
+ if (U_FAILURE(status)) {
+ // Don't stomp on the catastrophic failure of OOM.
+ if (status != U_MEMORY_ALLOCATION_ERROR) {
+ status = U_UNSUPPORTED_ERROR;
+ }
+ return nullptr;
+ }
- NumberingSystem* ns = NumberingSystem::createInstance(radix,isAlgorithmic,nsd,status);
- ns->setName(name);
- return ns;
+ LocalPointer<NumberingSystem> ns(NumberingSystem::createInstance(radix, isAlgorithmic, nsd, status), status);
+ if (U_FAILURE(status)) {
+ return nullptr;
+ }
+ ns->setName(name);
+ return ns.orphan();
}
/**
NumberingSystem::~NumberingSystem() {
}
-int32_t NumberingSystem::getRadix() {
+int32_t NumberingSystem::getRadix() const {
return radix;
}
-UnicodeString NumberingSystem::getDescription() {
+UnicodeString NumberingSystem::getDescription() const {
return desc;
}
-const char * NumberingSystem::getName() {
+const char * NumberingSystem::getName() const {
return name;
}
algorithmic = c;
}
-void NumberingSystem::setDesc(UnicodeString d) {
+void NumberingSystem::setDesc(const UnicodeString &d) {
desc.setTo(d);
}
void NumberingSystem::setName(const char *n) {
- if ( n == NULL ) {
+ if ( n == nullptr ) {
name[0] = (char) 0;
} else {
- uprv_strncpy(name,n,NUMSYS_NAME_CAPACITY);
- name[NUMSYS_NAME_CAPACITY] = (char)0; // Make sure it is null terminated.
+ uprv_strncpy(name,n,kInternalNumSysNameCapacity);
+ name[kInternalNumSysNameCapacity] = '\0'; // Make sure it is null terminated.
}
}
UBool NumberingSystem::isAlgorithmic() const {
return ( algorithmic );
}
+namespace {
-UBool NumberingSystem::isValidDigitString(const UnicodeString& str) {
+UVector* gNumsysNames = nullptr;
+UInitOnce gNumSysInitOnce = U_INITONCE_INITIALIZER;
- StringCharacterIterator it(str);
- UChar32 c;
- UChar32 prev = 0;
- int32_t i = 0;
+U_CFUNC UBool U_CALLCONV numSysCleanup() {
+ delete gNumsysNames;
+ gNumsysNames = nullptr;
+ gNumSysInitOnce.reset();
+ return true;
+}
- for ( it.setToStart(); it.hasNext(); ) {
- c = it.next32PostInc();
- if ( c > 0xFFFF ) { // Digits outside the BMP are not currently supported
- return FALSE;
- }
- i++;
- prev = c;
+U_CFUNC void initNumsysNames(UErrorCode &status) {
+ U_ASSERT(gNumsysNames == nullptr);
+ ucln_i18n_registerCleanup(UCLN_I18N_NUMSYS, numSysCleanup);
+
+ // TODO: Simple array of UnicodeString objects, based on length of table resource?
+ LocalPointer<UVector> numsysNames(new UVector(uprv_deleteUObject, nullptr, status), status);
+ if (U_FAILURE(status)) {
+ return;
}
- return TRUE;
+
+ UErrorCode rbstatus = U_ZERO_ERROR;
+ UResourceBundle *numberingSystemsInfo = ures_openDirect(nullptr, "numberingSystems", &rbstatus);
+ numberingSystemsInfo =
+ ures_getByKey(numberingSystemsInfo, "numberingSystems", numberingSystemsInfo, &rbstatus);
+ if (U_FAILURE(rbstatus)) {
+ // Don't stomp on the catastrophic failure of OOM.
+ if (rbstatus == U_MEMORY_ALLOCATION_ERROR) {
+ status = rbstatus;
+ } else {
+ status = U_MISSING_RESOURCE_ERROR;
+ }
+ ures_close(numberingSystemsInfo);
+ return;
+ }
+
+ while ( ures_hasNext(numberingSystemsInfo) && U_SUCCESS(status) ) {
+ LocalUResourceBundlePointer nsCurrent(ures_getNextResource(numberingSystemsInfo, nullptr, &rbstatus));
+ if (rbstatus == U_MEMORY_ALLOCATION_ERROR) {
+ status = rbstatus; // we want to report OOM failure back to the caller.
+ break;
+ }
+ const char *nsName = ures_getKey(nsCurrent.getAlias());
+ LocalPointer<UnicodeString> newElem(new UnicodeString(nsName, -1, US_INV), status);
+ if (U_SUCCESS(status)) {
+ numsysNames->addElement(newElem.getAlias(), status);
+ if (U_SUCCESS(status)) {
+ newElem.orphan(); // on success, the numsysNames vector owns newElem.
+ }
+ }
+ }
+
+ ures_close(numberingSystemsInfo);
+ if (U_SUCCESS(status)) {
+ gNumsysNames = numsysNames.orphan();
+ }
+ return;
+}
+
+} // end anonymous namespace
+
+StringEnumeration* NumberingSystem::getAvailableNames(UErrorCode &status) {
+ umtx_initOnce(gNumSysInitOnce, &initNumsysNames, status);
+ LocalPointer<StringEnumeration> result(new NumsysNameEnumeration(status), status);
+ return result.orphan();
+}
+
+NumsysNameEnumeration::NumsysNameEnumeration(UErrorCode& status) : pos(0) {
+ (void)status;
+}
+
+const UnicodeString*
+NumsysNameEnumeration::snext(UErrorCode& status) {
+ if (U_SUCCESS(status) && (gNumsysNames != nullptr) && (pos < gNumsysNames->size())) {
+ return (const UnicodeString*)gNumsysNames->elementAt(pos++);
+ }
+ return nullptr;
+}
+
+void
+NumsysNameEnumeration::reset(UErrorCode& /*status*/) {
+ pos=0;
+}
+
+int32_t
+NumsysNameEnumeration::count(UErrorCode& /*status*/) const {
+ return (gNumsysNames==nullptr) ? 0 : gNumsysNames->size();
+}
+
+NumsysNameEnumeration::~NumsysNameEnumeration() {
}
U_NAMESPACE_END
projects / apple / icu.git / blobdiff