private static (object, string) Function(IReadOnlyList <object> args, Options options)
{
string result = null;
string error = null;
var locale = options.Locale != null ? new CultureInfo(options.Locale) : Thread.CurrentThread.CurrentCulture;
(locale, error) = FunctionUtils.DetermineLocale(args, locale, 2);
if (error == null)
{
var inputStr = (string)args[0];
if (string.IsNullOrEmpty(inputStr))
{
result = string.Empty;
}
else
{
var ti = locale.TextInfo;
result = ti.ToTitleCase(inputStr);
// Case that starts with number.
result = Regex.Replace(
result,
"([0-9]+[a-zA-Z]+)",
new MatchEvaluator((m) =>
{
return(m.Captures[0].Value.ToLower(locale));
}),
RegexOptions.IgnoreCase);
}
}
return(result, error);
}
private static EvaluateExpressionDelegate Evaluator()
{
return(FunctionUtils.ApplyWithOptionsAndError(
(args, options) =>
{
string error = null;
string result = null;
var locale = options.Locale != null ? new CultureInfo(options.Locale) : Thread.CurrentThread.CurrentCulture;
if (error == null)
{
(locale, error) = FunctionUtils.DetermineLocale(args, locale, 2);
}
if (error == null)
{
if (args[0].IsNumber())
{
result = Convert.ToDouble(args[0], CultureInfo.InvariantCulture).ToString(locale);
}
else if (args[0] is DateTime dt)
{
result = dt.ToString(FunctionUtils.DefaultDateTimeFormat, locale);
}
else
{
result = JsonConvert.SerializeObject(args[0]).TrimStart('"').TrimEnd('"');
}
}
return (result, error);
}));
}
private static EvaluateExpressionDelegate Evaluator()
{
return(FunctionUtils.ApplyWithOptionsAndError(
(args, options) =>
{
string result = null;
string error = null;
var locale = options.Locale != null ? new CultureInfo(options.Locale) : Thread.CurrentThread.CurrentCulture;
if (!args[0].IsNumber())
{
error = $"formatNumber first argument {args[0]} must be number";
}
else if (!args[1].IsInteger())
{
error = $"formatNumber second argument {args[1]} must be number";
}
else if (args.Count == 3 && !(args[2] is string))
{
error = $"formatNumber third agument {args[2]} must be a locale";
}
if (error == null)
{
(locale, error) = FunctionUtils.DetermineLocale(args, locale, 3);
}
if (error == null)
{
var precision = 0;
(precision, error) = FunctionUtils.ParseInt32(args[1]);
if (error == null)
{
var number = Convert.ToDouble(args[0], CultureInfo.InvariantCulture);
result = number.ToString("N" + precision.ToString(CultureInfo.InvariantCulture), locale);
}
}
return (result, error);
}));
}
private static (object, string) Function(IReadOnlyList <object> args, Options options)
{
string result = null;
string error = null;
var locale = options.Locale != null ? new CultureInfo(options.Locale) : Thread.CurrentThread.CurrentCulture;
(locale, error) = FunctionUtils.DetermineLocale(args, locale, 2);
if (error == null)
{
if (args[0] == null)
{
result = string.Empty;
}
else
{
result = args[0].ToString().ToUpper(locale);
}
}
return(result, error);
}
private static (object, string) Function(IReadOnlyList <object> args, Options options)
{
string result = null;
string error = null;
var locale = options.Locale != null ? new CultureInfo(options.Locale) : Thread.CurrentThread.CurrentCulture;
(locale, error) = FunctionUtils.DetermineLocale(args, locale, 2);
if (error == null)
{
var inputStr = (string)args[0];
if (string.IsNullOrEmpty(inputStr))
{
result = string.Empty;
}
else
{
result = inputStr.Substring(0, 1).ToUpper(locale) + inputStr.Substring(1).ToLower(locale);
}
}
return(result, error);
}
private static (object, string) Function(IReadOnlyList <object> args, Options options)
{
string result = null;
string error = null;
var locale = options.Locale != null ? new CultureInfo(options.Locale) : Thread.CurrentThread.CurrentCulture;
(locale, error) = FunctionUtils.DetermineLocale(args, locale, 2);
if (error == null)
{
var inputStr = (string)args[0];
if (string.IsNullOrEmpty(inputStr))
{
result = string.Empty;
}
else
{
var ti = locale.TextInfo;
result = ti.ToTitleCase(inputStr);
}
}
return(result, error);
}
