private string GetWordCase(
eNumeralType numeralType,
Func <string> singleCaseCallback,
Func <string> twoCaseCallback,
Func <string> multipleCaseCallback
)
{
var word = string.Empty;
if (numeralType == eNumeralType.SingleType)
{
word = singleCaseCallback();
}
else if (numeralType == eNumeralType.TwoThreeFour)
{
word = twoCaseCallback();
}
else if (numeralType == eNumeralType.Multiple)
{
word = multipleCaseCallback();
}
if (string.IsNullOrEmpty(word))
{
word = singleCaseCallback();
}
if (string.IsNullOrEmpty(word))
{
word = NominativeSingle;
}
return(word);
}
/// <summary>
/// Возвращает предложный падеж в количественном варианте <paramref name="numeralType"/>.
/// </summary>
/// <returns>
/// Возвращает <see cref="PrepositionalSingle"/> для <see cref="eNumeralType.SingleType"/>,
/// <see cref="PrepositionalTwo"/> для <see cref="eNumeralType.TwoThreeFour"/> либо
/// <see cref="PrepositionalMultiple"/> для <see cref="eNumeralType.Multiple"/>.
/// Если <paramref name="returnSingleFormIfEmpty"/> равен true и <see cref="PrepositionalTwo"/> или <see cref="PrepositionalMultiple"/> пусто, то возвращает <see cref="PrepositionalSingle"/>.
/// Если же <see cref="PrepositionalSingle"/> пусто, то возвращает <see cref="NominativeSingle"/>.
/// </returns>
public string GetPrepositional(eNumeralType numeralType, bool returnSingleFormIfEmpty = true)
{
var word = string.Empty;
return(GetWordCase(numeralType, () => PrepositionalSingle, () => PrepositionalTwo, () => PrepositionalMultiple));
}
/// <summary>
/// Возвращает винительный падеж в количественном варианте <paramref name="numeralType"/>.
/// </summary>
/// <returns>
/// Возвращает <see cref="AccusativeSingle"/> для <see cref="eNumeralType.SingleType"/>,
/// <see cref="AccusativeTwo"/> для <see cref="eNumeralType.TwoThreeFour"/> либо
/// <see cref="AccusativeMultiple"/> для <see cref="eNumeralType.Multiple"/>.
/// Если <paramref name="returnSingleFormIfEmpty"/> равен true и <see cref="AccusativeTwo"/> или <see cref="AccusativeMultiple"/> пусто, то возвращает <see cref="AccusativeSingle"/>.
/// Если же <see cref="AccusativeSingle"/> пусто, то возвращает <see cref="NominativeSingle"/>.
/// </returns>
public string GetAccusative(eNumeralType numeralType, bool returnSingleFormIfEmpty = true)
{
var word = string.Empty;
return(GetWordCase(numeralType, () => AccusativeSingle, () => AccusativeTwo, () => AccusativeMultiple));
}
