/** Search for anime keywords. */
private void SearchForKeywords()
{
for (var i = 0; i < Tokens.Count; i++)
{
var token = Tokens[i];
if (token.Category != Token.TokenCategory.Unknown) continue;
var word = token.Content;
word = word.Trim(" -".ToCharArray());
if (string.IsNullOrEmpty(word)) continue;
// Don't bother if the word is a number that cannot be CRC
if (word.Length != 8 && StringHelper.IsNumericString(word)) continue;
var keyword = KeywordManager.Normalize(word);
var category = Element.ElementCategory.ElementUnknown;
var options = new KeywordOptions();
if (KeywordManager.Instance.FindAndSet(keyword, ref category, ref options))
{
if (!Options.ParseReleaseGroup && category == Element.ElementCategory.ElementReleaseGroup) continue;
if (!ParseHelper.IsElementCategorySearchable(category) || !options.Searchable) continue;
if (ParseHelper.IsElementCategorySingular(category) && !Empty(category)) continue;
if (category == Element.ElementCategory.ElementAnimeSeasonPrefix)
{
ParseHelper.CheckAndSetAnimeSeasonKeyword(token, i);
continue;
}
if (category == Element.ElementCategory.ElementEpisodePrefix)
{
if (options.Valid)
{
ParseHelper.CheckExtentKeyword(Element.ElementCategory.ElementEpisodeNumber, i, token);
continue;
}
}
else if (category == Element.ElementCategory.ElementReleaseVersion)
{
word = word.Substring(1);
}
else if (category == Element.ElementCategory.ElementVolumePrefix)
{
ParseHelper.CheckExtentKeyword(Element.ElementCategory.ElementVolumeNumber, i, token);
continue;
}
}
else
{
if (Empty(Element.ElementCategory.ElementFileChecksum) && ParserHelper.IsCrc32(word))
{
category = Element.ElementCategory.ElementFileChecksum;
} else if (Empty(Element.ElementCategory.ElementVideoResolution) && ParserHelper.IsResolution(word))
{
category = Element.ElementCategory.ElementVideoResolution;
}
}
if (category != Element.ElementCategory.ElementUnknown)
{
Elements.Add(new Element(category, word));
if (options.Identifiable)
{
token.Category = Token.TokenCategory.Identifier;
}
}
}
}
