/// <summary>
/// Initializes a new instance of the <see cref="SearchStatus" /> class
/// </summary>
/// <param name="context">The search context</param>
/// <param name="reader">The reader to be read from</param>
/// <param name="activeRanges">The stack of active ranges</param>
/// <param name="foundToken">The found special token</param>
private SearchStatus(SearchContext context,
ILineReader reader,
Stack <IRangeSearcher> activeRanges,
SpecialTokenInfo foundToken)
{
_context = context;
_reader = reader;
_activeRanges = activeRanges;
_foundToken = foundToken;
}
/// <summary>
/// Search a special token
/// </summary>
/// <param name="reader">The reader where the token should be searched in</param>
/// <param name="searchers">The collection of searchers to test</param>
/// <returns><c>null</c> when no token could be found</returns>
private static SpecialTokenInfo FindToken(ILineReader reader,
IEnumerable <ISpecialTokenSearcher> searchers)
{
SpecialTokenInfo result = null;
foreach (var searcher in searchers)
{
var searcherResult = searcher.Find(reader);
if (searcherResult != null && (result == null || result.Index > searcherResult.Index))
{
result = searcherResult;
}
}
return(result);
}