/// <summary>
/// Gets the text for an optional sign.
/// </summary>
/// <param name="sign">The sign.</param>
protected string GetSignText(OptionalSign sign)
{
string Result = string.Empty;
bool IsParsed = false;
switch (sign)
{
case OptionalSign.None:
IsParsed = true;
break;
case OptionalSign.Positive:
Result = "+";
IsParsed = true;
break;
case OptionalSign.Negative:
Result = "-";
IsParsed = true;
break;
}
Debug.Assert(IsParsed);
return(Result);
}
/// <summary>
/// Initializes a new instance of the <see cref="FormattedInteger"/> class.
/// </summary>
/// <param name="integerBase">The base.</param>
/// <param name="sign">The optional sign.</param>
/// <param name="leadingZeroCount">The number of leading zeroes.</param>
/// <param name="integerText">The integer text..</param>
/// <param name="invalidText">The trailing invalid text, if any.</param>
/// <param name="canonical">The canonical form of the number.</param>
/// <exception cref="ArgumentOutOfRangeException"><paramref name="leadingZeroCount"/> is lesser than zero.</exception>
internal FormattedInteger(IIntegerBase integerBase, OptionalSign sign, int leadingZeroCount, string integerText, string invalidText, CanonicalNumber canonical)
: base(invalidText, canonical)
{
IntegerBase = integerBase;
Sign = sign;
LeadingZeroCount = leadingZeroCount;
IntegerText = integerText;
if (leadingZeroCount < 0)
{
throw new ArgumentOutOfRangeException(nameof(leadingZeroCount));
}
}
/// <summary>
/// Initializes a new instance of the <see cref="CanonicalNumber"/> class.
/// </summary>
/// <param name="significandSign">The sign of the significand.</param>
/// <param name="significandText">The significand.</param>
/// <param name="exponentSign">The sign of the exponent.</param>
/// <param name="exponentText">The exponent.</param>
public CanonicalNumber(OptionalSign significandSign, string significandText, OptionalSign exponentSign, string exponentText)
{
Debug.Assert(IntegerBase.Decimal.IsValidNumber(exponentText, supportLeadingZeroes: false));
Debug.Assert(significandText != IntegerBase.Zero || (significandSign != OptionalSign.Negative && exponentSign != OptionalSign.Negative && exponentText == IntegerBase.Zero));
SignificandSign = significandSign;
SignificandText = significandText;
ExponentSign = exponentSign;
ExponentText = exponentText;
FormatCanonicString();
NumberFloat = CreateFloat();
}
/// <summary>
/// Initializes a new instance of the <see cref="CanonicalNumber"/> class.
/// </summary>
/// <param name="significandSign">The sign of the significand.</param>
/// <param name="integerText">The integer significand.</param>
public CanonicalNumber(OptionalSign significandSign, string integerText)
{
// For the value 0, use the CanonicalNumber.Zero constant.
Debug.Assert(integerText != IntegerBase.Zero);
SignificandSign = significandSign;
SignificandText = integerText + Parser.NeutralDecimalSeparator + IntegerBase.Zero;
ExponentSign = OptionalSign.None;
ExponentText = IntegerBase.Zero;
FormatCanonicString();
NumberFloat = CreateFloat();
}
private CanonicalNumber GetCanonical(OptionalSign significandSign, string significandText, OptionalSign exponentSign, string exponentText)
{
CanonicalNumber Canonical;
if (significandText == IntegerBase.Zero)
{
Canonical = CanonicalNumber.Zero;
}
else
{
Canonical = new CanonicalNumber(significandSign, significandText, exponentSign, exponentText);
}
return(Canonical);
}
/// <summary>
/// Initializes a new instance of the <see cref="FormattedReal"/> class.
/// </summary>
/// <param name="sign">The optional sign.</param>
/// <param name="leadingZeroCount">The number of leading zeroes.</param>
/// <param name="integerText">The text before the decimal separator character. Can be empty.</param>
/// <param name="separatorCharacter">The decimal separator character. Can be <see cref="Parser.NoSeparator"/>.</param>
/// <param name="fractionalText">The text after the decimal separator character and before the exponent. Can be empty.</param>
/// <param name="exponentCharacter">The exponent character (e or E). Can be <see cref="Parser.NoSeparator"/>.</param>
/// <param name="exponentSign">The optional exponent sign.</param>
/// <param name="exponentText">The text after the exponent character. Can be empty.</param>
/// <param name="invalidText">The trailing invalid text, if any.</param>
/// <param name="canonical">The canonical form of the number.</param>
/// <exception cref="NullReferenceException"><paramref name="invalidText"/> or <paramref name="canonical"/> is null.</exception>
internal FormattedReal(OptionalSign sign, int leadingZeroCount, string integerText, char separatorCharacter, string fractionalText, char exponentCharacter, OptionalSign exponentSign, string exponentText, string invalidText, CanonicalNumber canonical)
: base(invalidText, canonical)
{
Sign = sign;
LeadingZeroCount = leadingZeroCount;
IntegerText = integerText ?? throw new ArgumentNullException(nameof(integerText), "Value cannot be null.");
SeparatorCharacter = separatorCharacter;
FractionalText = fractionalText ?? throw new ArgumentNullException(nameof(fractionalText), "Value cannot be null.");
ExponentCharacter = exponentCharacter;
ExponentSign = exponentSign;
ExponentText = exponentText ?? throw new ArgumentNullException(nameof(exponentText), "Value cannot be null.");
if (leadingZeroCount < 0)
{
throw new ArgumentOutOfRangeException(nameof(leadingZeroCount));
}
if (SeparatorCharacter != Parser.NoSeparator)
{
if (integerText.Length + fractionalText.Length == 0)
{
throw new ArgumentException($"Either {nameof(integerText)} or {nameof(fractionalText)} must not be empty.");
}
}
else
{
if (integerText.Length == 0)
{
throw new ArgumentException($"{nameof(integerText)} must not be empty.");
}
}
if (exponentCharacter != Parser.NoSeparator)
{
if (exponentText.Length == 0)
{
throw new ArgumentException($"{nameof(exponentText)} must not be empty.");
}
}
}