public override bool Match(ref TokenSequence sequence, out string output)
{
string sequenceOriginal = sequence.ToString();
MatchingInvoker();
List <string> outputList = new List <string>();
bool res;
foreach (ExpressionItem item in items)
{
string expressionString;
res = item.Match(ref sequence, out expressionString);
if (!res)
{
output = "";
LogSentInvoker("La expresión «"
+ this.Label
+ "» falló el reconocimiento, restaurando la secuencia ("
+ sequenceOriginal
+ ")");
MatchingFinishedInvoker(output);
return(false);
}
outputList.Add(expressionString);
}
output = String.Format(formatString, outputList.ToArray());
LogSentInvoker("La expresion «"
+ this.Label
+ "» tuvo exito al reconocer, se produjo la salida «"
+ output
+ "»");
MatchingFinishedInvoker(output);
return(true);
}
/// <summary>
/// Retrives the related items for a token from the remaining items list.
/// </summary>
/// <param name="matched">
/// The <see cref="Token"/> the items we are looking for are related to.
/// </param>
/// <param name="remainingItems">
/// A <see cref="TokenSequence"/> containing the yet to be matched items.
/// </param>
/// <param name="position">
/// A <see cref="ExpressionItemPosition"/> the position of the related item.
/// </param>
/// <returns>
/// A <see cref="TokenSequence"/> containing the items related to the
/// matched item found in the given position.
/// </returns>
protected TokenSequence GetRelatedItems(Token matched,
TokenSequence remainingItems,
ExpressionItemPosition position)
{
TokenSequence sequence = new TokenSequence();
string remainingItemsString = remainingItems.ToString();
int i = 0;
while (i < remainingItems.Count)
{
Token checkedItem = remainingItems[i];
if (CheckTokenInRelatedSequence(matched, checkedItem, position))
{
sequence.Append(checkedItem);
remainingItems.RemoveAt(i);
}
else if (!SpecialPosition(matched, checkedItem))
{
LogSentInvoker("Encontrado {0}, cancelando la creación de la secuencia de items «{1}» {2}",
checkedItem.Text,
position,
matched.Type);
break;
}
else
{
i++;
}
}
LogSentInvoker("Extraida la secuencia ({0}) en posicion «{1}» de entre los elementos de ({2})",
sequence,
position,
remainingItemsString);
return(sequence);
}