using System;

namespace IntXLib

{

/// <summary>

/// Used to retrieve needed ToString converter.

/// </summary>

static internal class StringConvertManager

{

#region Fields

/// <summary>

/// Classic converter instance.

/// </summary>

static readonly public IStringConverter ClassicStringConverter;

/// <summary>

/// Fast converter instance.

/// </summary>

static readonly public IStringConverter FastStringConverter;

#endregion Fields

#region Constructors

// .cctor

static StringConvertManager()

{

// Create new pow2 converter instance

IStringConverter pow2StringConverter = new Pow2StringConverter();

// Create new classic converter instance

IStringConverter classicStringConverter = new ClassicStringConverter(pow2StringConverter);

// Fill publicity visible converter fields

ClassicStringConverter = classicStringConverter;

FastStringConverter = new FastStringConverter(pow2StringConverter, classicStringConverter);

}

#endregion Constructors

#region Methods

/// <summary>

/// Returns ToString converter instance for given ToString mode.

/// </summary>

/// <param name="mode">ToString mode.</param>

/// <returns>Converter instance.</returns>

/// <exception cref="ArgumentOutOfRangeException"><paramref name="mode" /> is out of range.</exception>

static public IStringConverter GetStringConverter(ToStringMode mode)

{

switch (mode)

{

case ToStringMode.Fast:

return FastStringConverter;

case ToStringMode.Classic:

return ClassicStringConverter;

default:

throw new ArgumentOutOfRangeException("mode");

}

}

#endregion Methods

}

}