StringEnumeration* U_EXPORT2
Collator::getKeywordValuesForLocale(const char* key, const Locale& locale,
UBool commonlyUsed, UErrorCode& status) {
return UStringEnumeration::fromUEnumeration(
ucol_getKeywordValuesForLocale(
key, locale.getName(), commonlyUsed, &status),
status);
}
StringEnumeration* U_EXPORT2
Collator::getKeywordValuesForLocale(const char* key, const Locale& locale,
UBool commonlyUsed, UErrorCode& status) {
// This is a wrapper over ucol_getKeywordValuesForLocale
UEnumeration *uenum = ucol_getKeywordValuesForLocale(key, locale.getName(),
commonlyUsed, &status);
if (U_FAILURE(status)) {
uenum_close(uenum);
return NULL;
}
return new UStringEnumeration(uenum);
}
static Vector<String> sortLocaleData(const String& locale, size_t keyIndex)
{
// 9.1 Internal slots of Service Constructors & 10.2.3 Internal slots (ECMA-402 2.0)
Vector<String> keyLocaleData;
switch (keyIndex) {
case indexOfExtensionKeyCo: {
// 10.2.3 "The first element of [[sortLocaleData]][locale].co and [[searchLocaleData]][locale].co must be null for all locale values."
keyLocaleData.append({ });
UErrorCode status = U_ZERO_ERROR;
UEnumeration* enumeration = ucol_getKeywordValuesForLocale("collation", locale.utf8().data(), false, &status);
if (U_SUCCESS(status)) {
const char* collation;
while ((collation = uenum_next(enumeration, nullptr, &status)) && U_SUCCESS(status)) {
// 10.2.3 "The values "standard" and "search" must not be used as elements in any [[sortLocaleData]][locale].co and [[searchLocaleData]][locale].co array."
if (!strcmp(collation, "standard") || !strcmp(collation, "search"))
continue;
// Map keyword values to BCP 47 equivalents.
if (!strcmp(collation, "dictionary"))
collation = "dict";
else if (!strcmp(collation, "gb2312han"))
collation = "gb2312";
else if (!strcmp(collation, "phonebook"))
collation = "phonebk";
else if (!strcmp(collation, "traditional"))
collation = "trad";
keyLocaleData.append(collation);
}
uenum_close(enumeration);
}
break;
}
case indexOfExtensionKeyKn:
keyLocaleData.reserveInitialCapacity(2);
keyLocaleData.uncheckedAppend(ASCIILiteral("false"));
keyLocaleData.uncheckedAppend(ASCIILiteral("true"));
break;
default:
ASSERT_NOT_REACHED();
}
return keyLocaleData;
}
static Vector<String> sortLocaleData(const String& locale, const String& key)
{
// 9.1 Internal slots of Service Constructors & 10.2.3 Internal slots (ECMA-402 2.0)
Vector<String> keyLocaleData;
if (key == "co") {
// 10.2.3 "The first element of [[sortLocaleData]][locale].co and [[searchLocaleData]][locale].co must be null for all locale values."
keyLocaleData.append(String());
UErrorCode status = U_ZERO_ERROR;
UEnumeration* enumeration = ucol_getKeywordValuesForLocale("collation", locale.utf8().data(), TRUE, &status);
if (U_SUCCESS(status)) {
const char* keywordValue;
while ((keywordValue = uenum_next(enumeration, nullptr, &status)) && U_SUCCESS(status)) {
String collation(keywordValue);
// 10.2.3 "The values "standard" and "search" must not be used as elements in any [[sortLocaleData]][locale].co and [[searchLocaleData]][locale].co array."
if (collation == "standard" || collation == "search")
continue;
// Map keyword values to BCP 47 equivalents.
if (collation == "dictionary")
collation = ASCIILiteral("dict");
else if (collation == "gb2312han")
collation = ASCIILiteral("gb2312");
else if (collation == "phonebook")
collation = ASCIILiteral("phonebk");
else if (collation == "traditional")
collation = ASCIILiteral("trad");
keyLocaleData.append(collation);
}
uenum_close(enumeration);
}
} else if (key == "kn") {
keyLocaleData.append(ASCIILiteral("false"));
keyLocaleData.append(ASCIILiteral("true"));
} else
ASSERT_NOT_REACHED();
return keyLocaleData;
}
