/// <summary>
/// Match type and episode. e.g. "ED1", "OP4a", "OVA2".
/// </summary>
/// <param name="word">the word</param>
/// <param name="token">the token</param>
/// <returns>true if the token matched</returns>
private bool MatchTypeAndEpisodePattern(string word, Token token)
{
var numberBegin = ParserHelper.IndexOfFirstDigit(word);
var prefix = StringHelper.SubstringWithCheck(word, 0, numberBegin);
var category = Element.ElementCategory.ElementAnimeType;
var options = new KeywordOptions();
if (!KeywordManager.FindAndSet(KeywordManager.Normalize(prefix), ref category, ref options))
{
return(false);
}
_parser.Elements.Add(new Element(Element.ElementCategory.ElementAnimeType, prefix));
var number = word.Substring(numberBegin);
if (!MatchEpisodePatterns(number, token) && !SetEpisodeNumber(number, token, true))
{
return(false);
}
var foundIdx = _parser.Tokens.IndexOf(token);
if (foundIdx == -1)
{
return(true);
}
token.Content = number;
_parser.Tokens.Insert(foundIdx,
new Token(options.Identifiable ? Token.TokenCategory.Identifier : Token.TokenCategory.Unknown, prefix, token.Enclosed));
return(true);
}
/// <summary>
/// Removes the extension from the <see cref="filename"/>
/// </summary>
/// <param name="filename">the ref that will be updated with the new filename</param>
/// <param name="extension">the ref that will be updated with the file extension</param>
/// <returns>if the extension was successfully separated from the filename</returns>
private static bool RemoveExtensionFromFilename(ref string filename, ref string extension)
{
int position;
if (string.IsNullOrEmpty(filename) || (position = filename.LastIndexOf('.')) == -1)
{
return(false);
}
/** remove file extension */
extension = filename.Substring(position + 1);
if (extension.Length > 4 || !extension.All(char.IsLetterOrDigit))
{
return(false);
}
/** check if valid anime extension */
var keyword = KeywordManager.Normalize(extension);
if (!KeywordManager.Contains(Element.ElementCategory.ElementFileExtension, keyword))
{
return(false);
}
filename = filename.Substring(0, position);
return(true);
}
