/** Search for episode number. */
private void SearchForEpisodeNumber()
{
// List all unknown tokens that contain a number
var tokens = new List<int>();
for (var i = 0; i < Tokens.Count; i++)
{
var token = Tokens[i];
if (token.Category == Token.TokenCategory.Unknown &&
ParserHelper.IndexOfFirstDigit(token.Content) != -1)
{
tokens.Add(i);
}
}
if (tokens.Count == 0) return;
IsEpisodeKeywordsFound = !Empty(Element.ElementCategory.ElementEpisodeNumber);
// If a token matches a known episode pattern, it has to be the episode number
if (ParseNumber.SearchForEpisodePatterns(tokens)) return;
// We have previously found an episode number via keywords
if (!Empty(Element.ElementCategory.ElementEpisodeNumber)) return;
// From now on, we're only interested in numeric tokens
tokens.RemoveAll(r => !StringHelper.IsNumericString(Tokens[r].Content));
// e.g. "01 (176)", "29 (04)"
if (ParseNumber.SearchForEquivalentNumbers(tokens)) return;
// e.g. " - 08"
if (ParseNumber.SearchForSeparatedNumbers(tokens)) return;
// "e.g. "[12]", "(2006)"
if (ParseNumber.SearchForIsolatedNumbers(tokens)) return;
// Consider using the last number as a last resort
ParseNumber.SearchForLastNumber(tokens);
}
