/// <summary>
/// Creates a <see cref="RequestPartsKeyGenerator" />.
/// </summary>
/// <param name="parts">The parts.</param>
/// <returns></returns>
/// <exception cref="ArgumentOutOfRangeException">name</exception>
internal static KeyGenerator Get(RequestParts parts)
{
if (parts == RequestParts.Default)
{
parts = RequestParts.All;
}
return(_keyGenerators.GetOrAdd(parts, p => new RequestPartsKeyGenerator(p, $"{_prefix}{(ushort)p}")));
}
/// <summary>
/// Calculates the parts, note this is wrapped by <see cref="GetParts"/> which provides Default parsing.
/// </summary>
/// <param name="parts">The parts.</param>
/// <returns></returns>
/// <exception cref="ArgumentOutOfRangeException">parts</exception>
private static IEnumerable <RequestPart> CalculateParts(RequestParts parts)
{
ushort bits = (ushort)parts;
// Ensure we don't have a bogus value.
if (bits > (ushort)RequestParts.All)
{
throw new ArgumentOutOfRangeException(nameof(parts));
}
ushort flag = 1;
while (flag <= bits)
{
if (parts.HasFlag((RequestParts)flag))
{
yield return((RequestPart)flag);
}
flag <<= 1;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="RequestPartsKeyGenerator" /> class.
/// </summary>
/// <param name="parts">The parts.</param>
/// <param name="name">The name.</param>
internal RequestPartsKeyGenerator(RequestParts parts, string name) : base(name, true)
=> Parts = parts;
/// <summary> /// Gets the individual <see cref="RequestPart">parts</see> from a <see cref="RequestParts"/>, in ascending order. /// </summary> /// <param name="parts">The parts.</param> /// <returns></returns> public static IEnumerable <RequestPart> GetParts(this RequestParts parts) => parts == RequestParts.Default ? _defaultParts : CalculateParts(parts);
public RequestPartsFormatter(RequestParts requestParts)
{
Parts = requestParts;
_parts = requestParts.GetParts().ToArray();
}
