Example 1 with ValueType
use of android.icu.impl.locale.KeyTypeData.ValueType in project j2objc by google.
the class LocaleValidityChecker method isValidU.
/**
* @param locale
* @param datatype
* @param extension
* @param where
* @return
*/
private boolean isValidU(ULocale locale, Datatype datatype, String extensionString, Where where) {
String key = "";
int typeCount = 0;
ValueType valueType = null;
SpecialCase specialCase = null;
StringBuilder prefix = new StringBuilder();
Set<String> seen = new HashSet<String>();
StringBuilder tBuffer = datatype == Datatype.t ? new StringBuilder() : null;
for (String subtag : SEPARATOR.split(extensionString)) {
if (subtag.length() == 2 && (tBuffer == null || subtag.charAt(1) <= '9')) {
// if we have accumulated a t buffer, check that first
if (tBuffer != null) {
// Check t buffer. Empty after 't' is ok.
if (tBuffer.length() != 0 && !isValidLocale(tBuffer.toString(), where)) {
return false;
}
tBuffer = null;
}
key = KeyTypeData.toBcpKey(subtag);
if (key == null) {
return where.set(datatype, subtag);
}
if (!allowsDeprecated && KeyTypeData.isDeprecated(key)) {
return where.set(datatype, key);
}
valueType = KeyTypeData.getValueType(key);
specialCase = SpecialCase.get(key);
typeCount = 0;
} else if (tBuffer != null) {
if (tBuffer.length() != 0) {
tBuffer.append('-');
}
tBuffer.append(subtag);
} else {
++typeCount;
switch(valueType) {
case single:
if (typeCount > 1) {
return where.set(datatype, key + "-" + subtag);
}
break;
case incremental:
if (typeCount == 1) {
prefix.setLength(0);
prefix.append(subtag);
} else {
prefix.append('-').append(subtag);
subtag = prefix.toString();
}
break;
case multiple:
if (typeCount == 1) {
seen.clear();
}
break;
}
switch(specialCase) {
case anything:
continue;
case codepoints:
try {
if (Integer.parseInt(subtag, 16) > 0x10FFFF) {
return where.set(datatype, key + "-" + subtag);
}
} catch (NumberFormatException e) {
return where.set(datatype, key + "-" + subtag);
}
continue;
case reorder:
boolean newlyAdded = seen.add(subtag.equals("zzzz") ? "others" : subtag);
if (!newlyAdded || !isScriptReorder(subtag)) {
return where.set(datatype, key + "-" + subtag);
}
continue;
case subdivision:
if (!isSubdivision(locale, subtag)) {
return where.set(datatype, key + "-" + subtag);
}
continue;
case rgKey:
if (subtag.length() < 6 || !subtag.endsWith("zzzz")) {
return where.set(datatype, subtag);
}
if (!isValid(Datatype.region, subtag.substring(0, subtag.length() - 4), where)) {
return false;
}
continue;
}
// en-u-sd-usca
// en-US-u-sd-usca
Output<Boolean> isKnownKey = new Output<Boolean>();
Output<Boolean> isSpecialType = new Output<Boolean>();
String type = KeyTypeData.toBcpType(key, subtag, isKnownKey, isSpecialType);
if (type == null) {
return where.set(datatype, key + "-" + subtag);
}
if (!allowsDeprecated && KeyTypeData.isDeprecated(key, subtag)) {
return where.set(datatype, key + "-" + subtag);
}
}
}
// Check t buffer. Empty after 't' is ok.
if (tBuffer != null && tBuffer.length() != 0 && !isValidLocale(tBuffer.toString(), where)) {
return false;
}
return true;
}