+// © 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/numsys.h"
#include "cstring.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.
}
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;
}
if (U_FAILURE(status)) {
return NULL;
- }
+ }
+ UBool nsResolved = TRUE;
+ UBool usingFallback = FALSE;
char buffer[ULOC_KEYWORDS_CAPACITY];
int32_t count = inLocale.getKeywordValue("numbers",buffer, sizeof(buffer),status);
if ( count > 0 ) { // @numbers keyword was specified in the locale
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);
+ 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;
+ UResourceBundle *resource = ures_open(NULL, inLocale.getName(), &localStatus);
+ UResourceBundle *numberElementsRes = ures_getByKey(resource,gNumberElements,NULL,&localStatus);
+ while (!nsResolved) {
+ localStatus = U_ZERO_ERROR;
+ count = 0;
+ const UChar *nsName = ures_getStringByKeyWithFallback(numberElementsRes, buffer, &count, &localStatus);
+ 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;
+ }
+ }
+ }
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 (usingFallback) {
+ status = U_USING_FALLBACK_WARNING;
+ NumberingSystem *ns = new NumberingSystem();
+ 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;
+ UResourceBundle *numberingSystemsInfo = NULL;
+ UResourceBundle *nsTop, *nsCurrent;
+ 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);
+ numberingSystemsInfo = ures_openDirect(NULL,gNumberingSystems, &status);
+ nsCurrent = ures_getByKey(numberingSystemsInfo,gNumberingSystems,NULL,&status);
+ nsTop = ures_getByKey(nsCurrent,name,NULL,&status);
+ UnicodeString nsd = ures_getUnicodeStringByKey(nsTop,gDesc,&status);
- ures_getByKey(nsTop,gRadix,nsCurrent,&status);
- radix = ures_getInt(nsCurrent,&status);
+ ures_getByKey(nsTop,gRadix,nsCurrent,&status);
+ radix = ures_getInt(nsCurrent,&status);
- ures_getByKey(nsTop,gAlgorithmic,nsCurrent,&status);
- algorithmic = ures_getInt(nsCurrent,&status);
+ ures_getByKey(nsTop,gAlgorithmic,nsCurrent,&status);
+ algorithmic = ures_getInt(nsCurrent,&status);
- UBool isAlgorithmic = ( algorithmic == 1 );
- UnicodeString nsd;
- nsd.setTo(description);
+ UBool isAlgorithmic = ( algorithmic == 1 );
- ures_close(nsCurrent);
- ures_close(nsTop);
- ures_close(numberingSystemsInfo);
+ ures_close(nsCurrent);
+ ures_close(nsTop);
+ ures_close(numberingSystemsInfo);
- if (U_FAILURE(status)) {
- status = U_UNSUPPORTED_ERROR;
- return NULL;
- }
+ if (U_FAILURE(status)) {
+ status = U_UNSUPPORTED_ERROR;
+ return NULL;
+ }
- NumberingSystem* ns = NumberingSystem::createInstance(radix,isAlgorithmic,nsd,status);
- ns->setName(name);
- return ns;
+ NumberingSystem* ns = NumberingSystem::createInstance(radix,isAlgorithmic,nsd,status);
+ ns->setName(name);
+ return ns;
}
/**
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) {
return ( algorithmic );
}
+StringEnumeration* NumberingSystem::getAvailableNames(UErrorCode &status) {
+ // TODO(ticket #11908): Init-once static cache, with u_cleanup() callback.
+ static StringEnumeration* availableNames = NULL;
+
+ if (U_FAILURE(status)) {
+ return NULL;
+ }
+
+ if ( availableNames == NULL ) {
+ // TODO: Simple array of UnicodeString objects, based on length of table resource?
+ LocalPointer<UVector> numsysNames(new UVector(uprv_deleteUObject, NULL, status), status);
+ if (U_FAILURE(status)) {
+ return NULL;
+ }
+
+ UErrorCode rbstatus = U_ZERO_ERROR;
+ UResourceBundle *numberingSystemsInfo = ures_openDirect(NULL, "numberingSystems", &rbstatus);
+ numberingSystemsInfo = ures_getByKey(numberingSystemsInfo,"numberingSystems",numberingSystemsInfo,&rbstatus);
+ if(U_FAILURE(rbstatus)) {
+ status = U_MISSING_RESOURCE_ERROR;
+ ures_close(numberingSystemsInfo);
+ return NULL;
+ }
+
+ while ( ures_hasNext(numberingSystemsInfo) ) {
+ UResourceBundle *nsCurrent = ures_getNextResource(numberingSystemsInfo,NULL,&rbstatus);
+ const char *nsName = ures_getKey(nsCurrent);
+ numsysNames->addElement(new UnicodeString(nsName, -1, US_INV),status);
+ ures_close(nsCurrent);
+ }
+
+ ures_close(numberingSystemsInfo);
+ if (U_FAILURE(status)) {
+ return NULL;
+ }
+ availableNames = new NumsysNameEnumeration(numsysNames.getAlias(), status);
+ if (availableNames == NULL) {
+ status = U_MEMORY_ALLOCATION_ERROR;
+ return NULL;
+ }
+ numsysNames.orphan(); // The names got adopted.
+ }
-UBool NumberingSystem::isValidDigitString(const UnicodeString& str) {
+ return availableNames;
+}
- StringCharacterIterator it(str);
- UChar32 c;
- UChar32 prev = 0;
- int32_t i = 0;
+NumsysNameEnumeration::NumsysNameEnumeration(UVector *numsysNames, UErrorCode& /*status*/) {
+ pos=0;
+ fNumsysNames = numsysNames;
+}
- for ( it.setToStart(); it.hasNext(); ) {
- c = it.next32PostInc();
- if ( c > 0xFFFF ) { // Digits outside the BMP are not currently supported
- return FALSE;
- }
- i++;
- prev = c;
+const UnicodeString*
+NumsysNameEnumeration::snext(UErrorCode& status) {
+ if (U_SUCCESS(status) && pos < fNumsysNames->size()) {
+ return (const UnicodeString*)fNumsysNames->elementAt(pos++);
}
- return TRUE;
+ return NULL;
+}
+
+void
+NumsysNameEnumeration::reset(UErrorCode& /*status*/) {
+ pos=0;
+}
+
+int32_t
+NumsysNameEnumeration::count(UErrorCode& /*status*/) const {
+ return (fNumsysNames==NULL) ? 0 : fNumsysNames->size();
+}
+
+NumsysNameEnumeration::~NumsysNameEnumeration() {
+ delete fNumsysNames;
}
U_NAMESPACE_END