private StringBuilder AppendWithSep(string s, StringBuilder b)
{
if (b.Length == 0)
{
b.Append(s);
}
else
{
// ICU4N TODO: Does it make sense to call this twice, once for StringBuilder and once for String?
SimpleFormatterImpl.FormatAndReplace(separatorFormat, b, null, b.ToCharSequence(), s.ToCharSequence());
}
return(b);
}
// 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 LocaleDisplayNamesImpl(ULocale locale, params DisplayContext[] contexts)
#pragma warning disable 612, 618
: base()
#pragma warning restore 612, 618
{
DialectHandling dialectHandling = DialectHandling.STANDARD_NAMES;
DisplayContext capitalization = DisplayContext.CapitalizationNone;
DisplayContext nameLength = DisplayContext.LengthFull;
DisplayContext substituteHandling = DisplayContext.Substitute;
foreach (DisplayContext contextItem in contexts)
{
switch (contextItem.Type())
{
case DisplayContextType.DialectHandling:
dialectHandling = (contextItem.Value() == DisplayContext.StandardNames.Value()) ?
DialectHandling.STANDARD_NAMES : DialectHandling.DIALECT_NAMES;
break;
case DisplayContextType.Capitalization:
capitalization = contextItem;
break;
case DisplayContextType.DisplayLength:
nameLength = contextItem;
break;
case DisplayContextType.SubstituteHandling:
substituteHandling = contextItem;
break;
default:
break;
}
}
this.dialectHandling = dialectHandling;
this.capitalization = capitalization;
this.nameLength = nameLength;
this.substituteHandling = substituteHandling;
this.langData = LangDataTables.impl.Get(locale, substituteHandling == DisplayContext.NoSubstitute);
this.regionData = RegionDataTables.impl.Get(locale, substituteHandling == DisplayContext.NoSubstitute);
this.locale = ULocale.ROOT.Equals(langData.GetLocale()) ? regionData.GetLocale() :
langData.GetLocale();
// Note, by going through DataTable, this uses table lookup rather than straight lookup.
// That should get us the same data, I think. This way we don't have to explicitly
// load the bundle again. Using direct lookup didn't seem to make an appreciable
// difference in performance.
string sep = langData.Get("localeDisplayPattern", "separator");
if (sep == null || "separator".Equals(sep))
{
sep = "{0}, {1}";
}
StringBuilder sb = new StringBuilder();
this.separatorFormat = SimpleFormatterImpl.CompileToStringMinMaxArguments(sep, sb, 2, 2);
string pattern = langData.Get("localeDisplayPattern", "pattern");
if (pattern == null || "pattern".Equals(pattern))
{
pattern = "{0} ({1})";
}
this.format = SimpleFormatterImpl.CompileToStringMinMaxArguments(pattern, sb, 2, 2);
if (pattern.Contains("（"))
{
formatOpenParen = '（';
formatCloseParen = '）';
formatReplaceOpenParen = '［';
formatReplaceCloseParen = '］';
}
else
{
formatOpenParen = '(';
formatCloseParen = ')';
formatReplaceOpenParen = '[';
formatReplaceCloseParen = ']';
}
string keyTypePattern = langData.Get("localeDisplayPattern", "keyTypePattern");
if (keyTypePattern == null || "keyTypePattern".Equals(keyTypePattern))
{
keyTypePattern = "{0}={1}";
}
this.keyTypeFormat = SimpleFormatterImpl.CompileToStringMinMaxArguments(
keyTypePattern, sb, 2, 2);
// Get values from the contextTransforms data if we need them
// Also check whether we will need a break iterator (depends on the data)
bool needBrkIter = false;
if (capitalization == DisplayContext.CapitalizationForUIListOrMenu ||
capitalization == DisplayContext.CapitalizationForStandalone)
{
capitalizationUsage = new bool[Enum.GetValues(typeof(CapitalizationContextUsage)).Length]; // initialized to all false
ICUResourceBundle rb = (ICUResourceBundle)UResourceBundle.GetBundleInstance(ICUData.ICU_BASE_NAME, locale);
CapitalizationContextSink sink = new CapitalizationContextSink(this);
try
{
rb.GetAllItemsWithFallback("contextTransforms", sink);
}
catch (MissingManifestResourceException e)
{
// Silently ignore. Not every locale has contextTransforms.
}
needBrkIter = sink.hasCapitalizationUsage;
}
// Get a sentence break iterator if we will need it
if (needBrkIter || capitalization == DisplayContext.CapitalizationForBeginningOfSentence)
{
capitalizationBrkIter = BreakIterator.GetSentenceInstance(locale);
}
this.currencyDisplayInfo = CurrencyData.Provider.GetInstance(locale, false);
}
