/// <summary>
/// Creates or reuses a number formatter for the specified <see cref="Locale"/>.
/// </summary>
/// <param name="locale">
/// The locale.
/// </param>
/// <param name="options">
/// The options to apply when formating a number.
/// </param>
/// <returns>
/// The formatter that is the best for the <paramref name="locale"/>.
/// </returns>
public static INumberFormatter Create(Locale locale, NumberOptions options = null)
{
var numberingSystem = NumberingSystem.Create(locale);
NumberFormatter formatter;
if (numberingSystem.IsNumeric)
{
formatter = new NumericFormatter
{
Locale = locale,
NumberingSystem = numberingSystem,
Symbols = NumberSymbols.Create(locale),
Options = options ?? new NumberOptions()
};
}
else // Must be Algorithmic
{
formatter = new AlgorithmicFormatter
{
Locale = locale,
NumberingSystem = numberingSystem,
Options = options ?? new NumberOptions()
};
}
formatter.Resolve();
return(formatter);
}
public void Create_From_Locale()
{
var locale = Locale.Create("de");
var symbols = NumberSymbols.Create(locale);
Assert.AreEqual(",", symbols.CurrencyDecimal);
Assert.AreEqual(".", symbols.CurrencyGroup);
Assert.AreEqual(",", symbols.Decimal);
Assert.AreEqual("E", symbols.Exponential);
Assert.AreEqual(".", symbols.Group);
Assert.AreEqual("∞", symbols.Infinity);
Assert.AreEqual(";", symbols.List);
Assert.AreEqual("-", symbols.MinusSign);
Assert.AreEqual("NaN", symbols.NotANumber);
Assert.AreEqual("%", symbols.PercentSign);
Assert.AreEqual("‰", symbols.PerMille);
Assert.AreEqual("+", symbols.PlusSign);
Assert.AreEqual("·", symbols.SuperscriptingExponent);
locale = Locale.Create("de-AT");
symbols = NumberSymbols.Create(locale);
Assert.AreEqual(",", symbols.CurrencyDecimal);
Assert.AreEqual(".", symbols.CurrencyGroup);
Assert.AreEqual(",", symbols.Decimal);
Assert.AreEqual("E", symbols.Exponential);
Assert.AreEqual("\u00A0", symbols.Group);
Assert.AreEqual("∞", symbols.Infinity);
Assert.AreEqual(";", symbols.List);
Assert.AreEqual("-", symbols.MinusSign);
Assert.AreEqual("NaN", symbols.NotANumber);
Assert.AreEqual("%", symbols.PercentSign);
Assert.AreEqual("‰", symbols.PerMille);
Assert.AreEqual("+", symbols.PlusSign);
Assert.AreEqual("·", symbols.SuperscriptingExponent);
}
/// <summary>
/// Creates the symbols for the specified <see cref="Locale"/>.
/// </summary>
/// <param name="locale">
/// The locale.
/// </param>
/// <returns>
/// The symbols that are the best for the <paramref name="locale"/>.
/// </returns>
public static NumberSymbols Create(Locale locale)
{
var ns = NumberingSystem.Create(locale).Id;
var path = $"ldml/numbers/symbols[@numberSystem='{ns}']/";
var symbols = new NumberSymbols
{
Decimal = locale.Find(path + "decimal").Value,
Exponential = locale.Find(path + "exponential").Value,
Group = locale.Find(path + "group").Value,
Infinity = locale.Find(path + "infinity").Value,
List = locale.Find(path + "list").Value,
MinusSign = locale.Find(path + "minusSign").Value,
NotANumber = locale.Find(path + "nan").Value,
PercentSign = locale.Find(path + "percentSign").Value,
PerMille = locale.Find(path + "perMille").Value,
PlusSign = locale.Find(path + "plusSign").Value,
SuperscriptingExponent = locale.Find(path + "superscriptingExponent").Value
};
var found = locale.FindOrDefault(path + "currencyDecimal");
if (found != null)
{
symbols.CurrencyDecimal = found.Value;
}
found = locale.FindOrDefault(path + "currencyGroup");
if (found != null)
{
symbols.CurrencyGroup = found.Value;
}
return(symbols);
}
public void Currency_Defaults()
{
var symbols = new NumberSymbols
{
Decimal = ".",
Group = ","
};
Assert.AreEqual(".", symbols.CurrencyDecimal);
Assert.AreEqual(",", symbols.CurrencyGroup);
symbols = new NumberSymbols
{
CurrencyDecimal = ".X",
CurrencyGroup = ",X"
};
Assert.AreEqual(".X", symbols.CurrencyDecimal);
Assert.AreEqual(",X", symbols.CurrencyGroup);
}