/// <summary>
/// Returns a currency object for the default currency in the given locale.
/// </summary>
///
/// @stable ICU 3.2
public static Currency GetInstance(ULocale locale)
{
String currency = locale.GetKeywordValue("currency");
if (currency != null)
{
return(GetInstance(currency));
}
if (shim == null)
{
return(CreateCurrency(locale));
}
return(shim.CreateInstance(locale));
}
/// <summary>
/// Returns the default numbering system for the specified <see cref="ULocale"/>.
/// </summary>
/// <stable>ICU 4.2</stable>
public static NumberingSystem GetInstance(ULocale locale)
{
// Check for @numbers
bool nsResolved = true;
string numbersKeyword = locale.GetKeywordValue("numbers");
if (numbersKeyword != null)
{
foreach (string keyword in OTHER_NS_KEYWORDS)
{
if (numbersKeyword.Equals(keyword))
{
nsResolved = false;
break;
}
}
}
else
{
numbersKeyword = "default";
nsResolved = false;
}
if (nsResolved)
{
NumberingSystem ns = GetInstanceByName(numbersKeyword);
if (ns != null)
{
return(ns);
}
// If the @numbers keyword points to a bogus numbering system name,
// we return the default for the locale.
numbersKeyword = "default";
}
// Attempt to get the numbering system from the cache
string baseName = locale.GetBaseName();
// TODO: Caching by locale+numbersKeyword could yield a large cache.
// Try to load for each locale the mappings from OTHER_NS_KEYWORDS and default
// to real numbering system names; can we get those from supplemental data?
// Then look up those mappings for the locale and resolve the keyword.
string key = baseName + "@numbers=" + numbersKeyword;
LocaleLookupData localeLookupData = new LocaleLookupData(locale, numbersKeyword);
return(cachedLocaleData.GetOrCreate(key, (k) => LookupInstanceByLocale(localeLookupData)));
}
// TODO: implement use of capitalization
private string LocaleDisplayNameInternal(ULocale locale)
{
// lang
// lang (script, country, variant, keyword=value, ...)
// script, country, variant, keyword=value, ...
string resultName = null;
string lang = locale.GetLanguage();
// Empty basename indicates root locale (keywords are ignored for this).
// Our data uses 'root' to access display names for the root locale in the
// "Languages" table.
if (locale.GetBaseName().Length == 0)
{
lang = "root";
}
string script = locale.GetScript();
string country = locale.GetCountry();
string variant = locale.GetVariant();
bool hasScript = script.Length > 0;
bool hasCountry = country.Length > 0;
bool hasVariant = variant.Length > 0;
// always have a value for lang
if (dialectHandling == DialectHandling.DIALECT_NAMES)
{
do
{ // loop construct is so we can break early out of search
if (hasScript && hasCountry)
{
string langScriptCountry = lang + '_' + script + '_' + country;
string result = LocaleIdName(langScriptCountry);
if (result != null && !result.Equals(langScriptCountry))
{
resultName = result;
hasScript = false;
hasCountry = false;
break;
}
}
if (hasScript)
{
string langScript = lang + '_' + script;
string result = LocaleIdName(langScript);
if (result != null && !result.Equals(langScript))
{
resultName = result;
hasScript = false;
break;
}
}
if (hasCountry)
{
string langCountry = lang + '_' + country;
string result = LocaleIdName(langCountry);
if (result != null && !result.Equals(langCountry))
{
resultName = result;
hasCountry = false;
break;
}
}
} while (false);
}
if (resultName == null)
{
string result = LocaleIdName(lang);
if (result == null)
{
return(null);
}
resultName = result
.Replace(formatOpenParen, formatReplaceOpenParen)
.Replace(formatCloseParen, formatReplaceCloseParen);
}
StringBuilder buf = new StringBuilder();
if (hasScript)
{
// first element, don't need appendWithSep
string result = ScriptDisplayNameInContext(script, true);
if (result == null)
{
return(null);
}
buf.Append(result
.Replace(formatOpenParen, formatReplaceOpenParen)
.Replace(formatCloseParen, formatReplaceCloseParen));
}
if (hasCountry)
{
string result = RegionDisplayName(country, true);
if (result == null)
{
return(null);
}
AppendWithSep(result
.Replace(formatOpenParen, formatReplaceOpenParen)
.Replace(formatCloseParen, formatReplaceCloseParen), buf);
}
if (hasVariant)
{
string result = VariantDisplayName(variant, true);
if (result == null)
{
return(null);
}
AppendWithSep(result
.Replace(formatOpenParen, formatReplaceOpenParen)
.Replace(formatCloseParen, formatReplaceCloseParen), buf);
}
using (IEnumerator <string> keys = locale.GetKeywords())
{
if (keys != null)
{
while (keys.MoveNext())
{
string key = keys.Current;
string value = locale.GetKeywordValue(key);
string keyDisplayName = KeyDisplayName(key, true);
if (keyDisplayName == null)
{
return(null);
}
keyDisplayName = keyDisplayName
.Replace(formatOpenParen, formatReplaceOpenParen)
.Replace(formatCloseParen, formatReplaceCloseParen);
string valueDisplayName = KeyValueDisplayName(key, value, true);
if (valueDisplayName == null)
{
return(null);
}
valueDisplayName = valueDisplayName
.Replace(formatOpenParen, formatReplaceOpenParen)
.Replace(formatCloseParen, formatReplaceCloseParen);
if (!valueDisplayName.Equals(value))
{
AppendWithSep(valueDisplayName, buf);
}
else if (!key.Equals(keyDisplayName))
{
string keyValue = SimpleFormatterImpl.FormatCompiledPattern(
keyTypeFormat, keyDisplayName, valueDisplayName);
AppendWithSep(keyValue, buf);
}
else
{
AppendWithSep(keyDisplayName, buf)
.Append("=")
.Append(valueDisplayName);
}
}
}
}
string resultRemainder = null;
if (buf.Length > 0)
{
resultRemainder = buf.ToString();
}
if (resultRemainder != null)
{
resultName = SimpleFormatterImpl.FormatCompiledPattern(
format, resultName, resultRemainder);
}
return(AdjustForUsageAndContext(CapitalizationContextUsage.LANGUAGE, resultName));
}
public static CollationTailoring LoadTailoring(ULocale locale, out ULocale outValidLocale)
{
// Java porting note: ICU4J getWithFallback/getStringWithFallback currently does not
// work well when alias table is involved in a resource path, unless full path is specified.
// For now, collation resources does not contain such data, so the code below should work fine.
CollationTailoring root = CollationRoot.Root;
string localeName = locale.GetName();
if (localeName.Length == 0 || localeName.Equals("root"))
{
outValidLocale = ULocale.ROOT;
return(root);
}
UResourceBundle bundle = null;
try
{
bundle = ICUResourceBundle.GetBundleInstance(
ICUData.ICU_COLLATION_BASE_NAME, locale,
// ICU4N specific - need to pass in this assembly
// name for the resources to be resolved here.
CollationData.ICU_DATA_CLASS_LOADER,
ICUResourceBundle.OpenType.LOCALE_ROOT);
}
catch (MissingManifestResourceException e)
{
outValidLocale = ULocale.ROOT;
return(root);
}
ULocale validLocale = bundle.GetULocale();
// Normalize the root locale. See
// http://bugs.icu-project.org/trac/ticket/10715
string validLocaleName = validLocale.GetName();
if (validLocaleName.Length == 0 || validLocaleName.Equals("root"))
{
validLocale = ULocale.ROOT;
}
outValidLocale = validLocale;
// There are zero or more tailorings in the collations table.
UResourceBundle collations;
try
{
collations = bundle.Get("collations");
if (collations == null)
{
return(root);
}
}
catch (MissingManifestResourceException ignored)
{
return(root);
}
// Fetch the collation type from the locale ID and the default type from the data.
string type = locale.GetKeywordValue("collation");
string defaultType = "standard";
string defT = ((ICUResourceBundle)collations).FindStringWithFallback("default");
if (defT != null)
{
defaultType = defT;
}
if (type == null || type.Equals("default"))
{
type = defaultType;
}
else
{
type = ASCII.ToLower(type);
}
// Load the collations/type tailoring, with type fallback.
// Java porting note: typeFallback is used for setting U_USING_DEFAULT_WARNING in
// ICU4C, but not used by ICU4J
// boolean typeFallback = false;
UResourceBundle data = FindWithFallback(collations, type);
if (data == null &&
type.Length > 6 && type.StartsWith("search", StringComparison.Ordinal))
{
// fall back from something like "searchjl" to "search"
// typeFallback = true;
type = "search";
data = FindWithFallback(collations, type);
}
if (data == null && !type.Equals(defaultType))
{
// fall back to the default type
// typeFallback = true;
type = defaultType;
data = FindWithFallback(collations, type);
}
if (data == null && !type.Equals("standard"))
{
// fall back to the "standard" type
// typeFallback = true;
type = "standard";
data = FindWithFallback(collations, type);
}
if (data == null)
{
return(root);
}
// Is this the same as the root collator? If so, then use that instead.
ULocale actualLocale = data.GetULocale();
// http://bugs.icu-project.org/trac/ticket/10715 ICUResourceBundle(root).getULocale() != ULocale.ROOT
// Therefore not just if (actualLocale.equals(ULocale.ROOT) && type.equals("standard")) {
string actualLocaleName = actualLocale.GetName();
if (actualLocaleName.Length == 0 || actualLocaleName.Equals("root"))
{
actualLocale = ULocale.ROOT;
if (type.Equals("standard"))
{
return(root);
}
}
CollationTailoring t = new CollationTailoring(root.Settings);
t.ActualLocale = actualLocale;
// deserialize
UResourceBundle binary = data.Get("%%CollationBin");
ByteBuffer inBytes = binary.GetBinary();
try
{
CollationDataReader.Read(root, inBytes, t);
}
catch (IOException e)
{
throw new ICUUncheckedIOException("Failed to load collation tailoring data for locale:"
+ actualLocale + " type:" + type, e);
}
// Try to fetch the optional rules string.
try
{
t.SetRulesResource(data.Get("Sequence"));
}
catch (MissingManifestResourceException ignored)
{
}
// Set the collation types on the informational locales,
// except when they match the default types (for brevity and backwards compatibility).
// For the valid locale, suppress the default type.
if (!type.Equals(defaultType))
{
outValidLocale = validLocale.SetKeywordValue("collation", type);
}
// For the actual locale, suppress the default type *according to the actual locale*.
// For example, zh has default=pinyin and contains all of the Chinese tailorings.
// zh_Hant has default=stroke but has no other data.
// For the valid locale "zh_Hant" we need to suppress stroke.
// For the actual locale "zh" we need to suppress pinyin instead.
if (!actualLocale.Equals(validLocale))
{
// Opening a bundle for the actual locale should always succeed.
UResourceBundle actualBundle = UResourceBundle.GetBundleInstance(
ICUData.ICU_COLLATION_BASE_NAME, actualLocale);
defT = ((ICUResourceBundle)actualBundle).FindStringWithFallback("collations/default");
if (defT != null)
{
defaultType = defT;
}
}
if (!type.Equals(defaultType))
{
t.ActualLocale = t.ActualLocale.SetKeywordValue("collation", type);
}
// if (typeFallback) {
// ICU4C implementation sets U_USING_DEFAULT_WARNING here
// }
return(t);
}
private static BreakIterator CreateBreakInstance(ULocale locale, int kind)
{
RuleBasedBreakIterator iter = null;
ICUResourceBundle rb = ICUResourceBundle.
GetBundleInstance(ICUData.ICU_BRKITR_BASE_NAME, locale,
ICUResourceBundle.OpenType.LOCALE_ROOT);
//
// Get the binary rules.
//
ByteBuffer bytes = null;
string typeKeyExt = null;
if (kind == BreakIterator.KIND_LINE)
{
string lbKeyValue = locale.GetKeywordValue("lb");
if (lbKeyValue != null && (lbKeyValue.Equals("strict") || lbKeyValue.Equals("normal") || lbKeyValue.Equals("loose")))
{
typeKeyExt = "_" + lbKeyValue;
}
}
try
{
string typeKey = (typeKeyExt == null) ? KIND_NAMES[kind] : KIND_NAMES[kind] + typeKeyExt;
string brkfname = rb.GetStringWithFallback("boundaries/" + typeKey);
string rulesFileName = ICUData.ICU_BRKITR_NAME + '/' + brkfname;
bytes = ICUBinary.GetData(rulesFileName);
}
catch (Exception e)
{
throw new MissingManifestResourceException(e.ToString(), e /*, "", ""*/);
}
//
// Create a normal RuleBasedBreakIterator.
//
try
{
#pragma warning disable 612, 618
iter = RuleBasedBreakIterator.GetInstanceFromCompiledRules(bytes);
#pragma warning restore 612, 618
}
catch (IOException e)
{
// Shouldn't be possible to get here.
// If it happens, the compiled rules are probably corrupted in some way.
Assert.Fail(e);
}
// TODO: Determine valid and actual locale correctly.
ULocale uloc = ULocale.ForLocale(rb.GetLocale());
iter.SetLocale(uloc, uloc);
iter.BreakType = kind;
// filtered break
if (kind == BreakIterator.KIND_SENTENCE)
{
string ssKeyword = locale.GetKeywordValue("ss");
if (ssKeyword != null && ssKeyword.Equals("standard"))
{
ULocale @base = new ULocale(locale.GetBaseName());
return(FilteredBreakIteratorBuilder.GetInstance(@base).WrapIteratorWithFilter(iter));
}
}
return(iter);
}
