/// <summary>
/// Determines if the specified call-chain is present.
/// </summary>
/// <param name="callChain">The call-chain to check.</param>
/// <param name="options">The flags which dictate what determines an argument as found.</param>
/// <param name="comparer">The comparer to use when determining if a match was found.</param>
/// <param name="argumentsToParse">
/// The collection to search.
/// Specifying null will default to <see cref="Arguments"/>.
/// </param>
/// <returns>
/// Returns true if the apecified argument was found using the supplied flags; otherwise, returns false.
/// </returns>
/// <exception cref="System.ArgumentException">
/// Throws when an invalid flag combination is given.
/// </exception>
public static bool Found(this IEnumerable <ICommandLineArgument> callChain, CmdLineSearchOptions options, StringComparison?comparer = null, IEnumerable <string> argumentsToParse = null)
{
var workingArg = callChain.Last();
var parentCallChain = callChain.Take(callChain.Count() - 1);
return(workingArg.Found(options, comparer, parentCallChain.GetSegment(comparer, argumentsToParse)));
}
/// <summary> /// Determines if the specified grouping is present. /// </summary> /// <param name="grouping">The grouping to check.</param> /// <param name="options">The flags which dictate what determines an argument as found.</param> /// <param name="comparer">The comparer to use when determining if a match was found.</param> /// <param name="argumentsToParse"> /// The collection to search. /// Specifying null will default to <see cref="Arguments"/>. /// </param> /// <returns> /// Returns true if the apecified argument was found using the supplied flags; otherwise, returns false. /// </returns> /// <exception cref="System.ArgumentException"> /// Throws when an invalid flag combination is given. /// </exception> public static bool Found(this ICommandLineGrouping grouping, CmdLineSearchOptions options, StringComparison?comparer = null, IEnumerable <string> argumentsToParse = null) => grouping.ParentCallChain.Concat(grouping.Children).Found(options, comparer, argumentsToParse);
/// <summary>
/// Determines if the specified argument is present.
/// </summary>
/// <param name="rootArgument">The <see cref="ICommandLineArgument"/> to check.</param>
/// <param name="options">The flags which dictate what determines an argument as found.</param>
/// <param name="comparer">The comparer to use when determining if a match was found.</param>
/// <param name="argumentsToParse">
/// The collection to search.
/// Specifying null will default to <see cref="Arguments"/>.
/// </param>
/// <returns>
/// Returns true if the apecified argument was found using the supplied flags; otherwise, returns false.
/// </returns>
/// <exception cref="System.ArgumentException">
/// Throws when an invalid flag combination is given.
/// </exception>
public static bool Found(this ICommandLineArgument rootArgument, CmdLineSearchOptions options, StringComparison?comparer = null, IEnumerable <string> argumentsToParse = null)
{
if (options.HasFlag(CmdLineSearchOptions.WithChildren | CmdLineSearchOptions.WithoutChildren))
{
throw new ArgumentException($"Invalid flag combination. {options}", nameof(options));
}
if (options.HasFlag(CmdLineSearchOptions.WithSiblings | CmdLineSearchOptions.WithoutSiblings))
{
throw new ArgumentException($"Invalid flag combination. {options}", nameof(options));
}
if (options.HasFlag(CmdLineSearchOptions.WithParams | CmdLineSearchOptions.WithoutParams))
{
throw new ArgumentException($"Invalid flag combination. {options}", nameof(options));
}
var segment = rootArgument.GetSegment(comparer, argumentsToParse);
if (options == CmdLineSearchOptions.None)
{
return(segment.Any());
}
if (!segment.Any())
{
return(false);
}
if (options == CmdLineSearchOptions.WithChildren)
{
return(segment.Count() > 1);
}
if (options == CmdLineSearchOptions.WithoutChildren)
{
return(segment.Count() == 1);
}
if (options == CmdLineSearchOptions.WithParams)
{
return(segment.Any() && rootArgument.GetParams().Any());
}
if (options == CmdLineSearchOptions.WithoutParams)
{
return(segment.Any() && !rootArgument.GetParams().Any());
}
if (options == (CmdLineSearchOptions.WithChildren | CmdLineSearchOptions.WithParams))
{
return(segment.Count() > 1 && rootArgument.GetParams().Any());
}
if (options == (CmdLineSearchOptions.WithChildren | CmdLineSearchOptions.WithoutParams))
{
return(segment.Count() > 1 && !rootArgument.GetParams().Any());
}
if (options == (CmdLineSearchOptions.WithoutChildren | CmdLineSearchOptions.WithParams))
{
return(segment.Count() == 1 && rootArgument.GetParams().Any());
}
if (options == (CmdLineSearchOptions.WithoutChildren | CmdLineSearchOptions.WithoutParams))
{
return(segment.Count() == 1 && !rootArgument.GetParams().Any());
}
var hasSiblings = (argumentsToParse ?? Arguments).Any(str =>
str.StartsWith(rootArgument.Specification.Delimiter) && !rootArgument.Command.Equals(str, (comparer ?? Comparer)));
if (options == CmdLineSearchOptions.WithSiblings)
{
return(segment.Any() && hasSiblings);
}
if (options == CmdLineSearchOptions.WithoutSiblings)
{
return(segment.Any() && !hasSiblings);
}
if (options == (CmdLineSearchOptions.WithoutChildren | CmdLineSearchOptions.WithoutSiblings))
{
return(segment.Count() == 1 && !hasSiblings);
}
if (options == (CmdLineSearchOptions.WithChildren | CmdLineSearchOptions.WithoutSiblings))
{
return(segment.Count() > 1 && !hasSiblings);
}
if (options == (CmdLineSearchOptions.WithoutChildren | CmdLineSearchOptions.WithSiblings))
{
return(segment.Count() == 1 && hasSiblings);
}
if (options == (CmdLineSearchOptions.WithChildren | CmdLineSearchOptions.WithSiblings))
{
return(segment.Count() > 1 && hasSiblings);
}
if (options == (CmdLineSearchOptions.WithoutChildren | CmdLineSearchOptions.WithoutSiblings | CmdLineSearchOptions.WithoutParams))
{
return(segment.Count() == 1 && !hasSiblings && !rootArgument.GetParams().Any());
}
if (options == (CmdLineSearchOptions.WithChildren | CmdLineSearchOptions.WithoutSiblings | CmdLineSearchOptions.WithoutParams))
{
return(segment.Count() > 1 && !hasSiblings && !rootArgument.GetParams().Any());
}
if (options == (CmdLineSearchOptions.WithoutChildren | CmdLineSearchOptions.WithSiblings | CmdLineSearchOptions.WithoutParams))
{
return(segment.Count() == 1 && hasSiblings && !rootArgument.GetParams().Any());
}
if (options == (CmdLineSearchOptions.WithChildren | CmdLineSearchOptions.WithSiblings | CmdLineSearchOptions.WithoutParams))
{
return(segment.Count() > 1 && hasSiblings && !rootArgument.GetParams().Any());
}
if (options == (CmdLineSearchOptions.WithoutChildren | CmdLineSearchOptions.WithoutSiblings | CmdLineSearchOptions.WithParams))
{
return(segment.Count() == 1 && !hasSiblings && rootArgument.GetParams().Any());
}
if (options == (CmdLineSearchOptions.WithChildren | CmdLineSearchOptions.WithoutSiblings | CmdLineSearchOptions.WithParams))
{
return(segment.Count() > 1 && !hasSiblings && rootArgument.GetParams().Any());
}
if (options == (CmdLineSearchOptions.WithoutChildren | CmdLineSearchOptions.WithSiblings | CmdLineSearchOptions.WithParams))
{
return(segment.Count() == 1 && hasSiblings && rootArgument.GetParams().Any());
}
if (options == (CmdLineSearchOptions.WithChildren | CmdLineSearchOptions.WithSiblings | CmdLineSearchOptions.WithParams))
{
return(segment.Count() > 1 && hasSiblings && rootArgument.GetParams().Any());
}
throw new ArgumentException("Could not find a search match pattern using the supplied search options.", nameof(options));
}
