/// <summary> /// Scans the input and invokes the action for each nested parser that is considered. /// </summary> /// <param name="input">The input source.</param> /// <param name="beforeAction">The action to take just before the search considers a parser or any of its nested parsers.</param> /// <param name="afterAction">The action to take after a parser and all its nested parsers have been considered.</param> public SearchResult Search(Source <TInput> input, SearchAction <TInput> beforeAction, Action <Parser <TInput> > afterAction = null) => Search(input, 0, false, beforeAction, afterAction);
/// <summary> /// Returns the number of source items that are successfully matched by this parser, or a negative number indicating failure. /// </summary> public abstract int Scan(Source <TInput> input, int inputStart);
/// <summary>
/// Scans the input and invokes the action for each nested parser that is considered.
/// </summary>
/// <param name="input">The input source.</param>
/// <param name="inputStart">The starting offset within the input source.</param>
/// <param name="prevWasMissing">True if the previous rule considered was required and determined to be missing.</param>
/// <param name="beforeAction">The action to take just before the search considers a parser or any of its nested parsers.</param>
/// <param name="afterAction">The action to take after a parser and all its nested parsers have been considered.</param>
public SearchResult Search(Source <TInput> input, int inputStart, bool prevWasMissing, SearchAction <TInput> beforeAction, Action <Parser <TInput> > afterAction = null)
{
return(SafeSearcher.SearchSafe(this, input, inputStart, prevWasMissing, beforeAction, afterAction));
}
/// <summary> /// Parses input source items and produces zero or more output items. /// </summary> public abstract int Parse(Source <TInput> input, int inputStart, List <object> output, int outputStart);