/// <summary>
/// Gets an named argument (<c>name=value</c>) with the specified name.
/// </summary>
/// <param name="name">
/// The name of argument that will be tested. Leading and trailing white spaces will be ignored. First letter will be normalized.
/// </param>
/// <exception cref="ArgumentNullException"><paramref name="name"/> is <c>null</c>.</exception>
/// <returns>A matching <see cref="WikiImageLinkArgument"/> with the specified name, or <c>null</c> if no matching template is found.</returns>
public WikiImageLinkArgument this[string name]
{
get
{
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
name = MwParserUtility.NormalizeImageLinkArgumentName(name);
// We want to choose the last matching arguments, if there are multiple choices.
return(EnumNameArgumentPairs(true).FirstOrDefault(p => p.Key == name).Value);
}
}
private IEnumerable <KeyValuePair <string, WikiImageLinkArgument> > EnumNameArgumentPairs(bool reverse)
{
return((reverse ? Reverse() : this).Select(arg =>
new KeyValuePair <string, WikiImageLinkArgument>(MwParserUtility.NormalizeImageLinkArgumentName(arg.Name), arg)));
}
