/// <summary>
/// Search for release group
/// </summary>
private void SearchForReleaseGroup()
{
for (int tokenBegin = 0, tokenEnd = tokenBegin; tokenBegin < Tokens.Count;)
{
// Find the first enclosed unknown token
tokenBegin = Token.FindToken(Tokens, tokenEnd, Tokens.Count, Token.TokenFlag.FlagEnclosed, Token.TokenFlag.FlagUnknown);
if (!Token.InListRange(tokenBegin, Tokens)) return;
// Continue until a bracket or identifier is found
tokenEnd = Token.FindToken(Tokens, tokenBegin, Tokens.Count, Token.TokenFlag.FlagBracket, Token.TokenFlag.FlagIdentifier);
if (!Token.InListRange(tokenEnd, Tokens) || Tokens[tokenEnd].Category != Token.TokenCategory.Bracket) continue;
// Ignore if it's not the first non-delimiter token in group
var prevToken = Token.FindPrevToken(Tokens, tokenBegin, Token.TokenFlag.FlagNotDelimiter);
if (Token.InListRange(prevToken, Tokens) && Tokens[prevToken].Category != Token.TokenCategory.Bracket) continue;
ParseHelper.BuildElement(Element.ElementCategory.ElementReleaseGroup, true, Tokens.GetRange(tokenBegin, tokenEnd - tokenBegin));
return;
}
}
/// <summary>
/// Search for episode title
/// </summary>
private void SearchForEpisodeTitle()
{
int tokenBegin;
var tokenEnd = 0;
do
{
// Find the first non-enclosed unknown token
tokenBegin = Token.FindToken(Tokens, tokenEnd, Tokens.Count, Token.TokenFlag.FlagNotEnclosed, Token.TokenFlag.FlagUnknown);
if (!Token.InListRange(tokenBegin, Tokens)) return;
// Continue until a bracket or identifier is found
tokenEnd = Token.FindToken(Tokens, tokenBegin, Tokens.Count, Token.TokenFlag.FlagBracket, Token.TokenFlag.FlagIdentifier);
// Ignore if it's only a dash
if (tokenEnd - tokenBegin <= 2 && ParserHelper.IsDashCharacter(Tokens[tokenBegin].Content[0])) continue;
//if (tokenBegin.Pos == null || tokenEnd.Pos == null) continue;
ParseHelper.BuildElement(Element.ElementCategory.ElementEpisodeTitle, false, Tokens.GetRange(tokenBegin, tokenEnd - tokenBegin));
return;
} while (Token.InListRange(tokenBegin, Tokens));
}
/// <summary>
/// Search for anime title
/// </summary>
private void SearchForAnimeTitle()
{
var enclosedTitle = false;
var tokenBegin = Token.FindToken(Tokens, 0, Tokens.Count, Token.TokenFlag.FlagNotEnclosed, Token.TokenFlag.FlagUnknown);
// If that doesn't work, find the first unknown token in the second enclosed
// group, assuming that the first one is the release group
if (!Token.InListRange(tokenBegin, Tokens))
{
tokenBegin = 0;
enclosedTitle = true;
var skippedPreviousGroup = false;
do
{
tokenBegin = Token.FindToken(Tokens, tokenBegin, Tokens.Count, Token.TokenFlag.FlagUnknown);
if (!Token.InListRange(tokenBegin, Tokens)) break;
// Ignore groups that are composed of non-Latin characters
if (StringHelper.IsMostlyLatinString(Tokens[tokenBegin].Content) && skippedPreviousGroup)
{
break;
}
// Get the first unknown token of the next group
tokenBegin = Token.FindToken(Tokens, tokenBegin, Tokens.Count, Token.TokenFlag.FlagBracket);
tokenBegin = Token.FindToken(Tokens, tokenBegin, Tokens.Count, Token.TokenFlag.FlagUnknown);
skippedPreviousGroup = true;
} while (Token.InListRange(tokenBegin, Tokens));
}
if (!Token.InListRange(tokenBegin, Tokens)) return;
// Continue until an identifier (or a bracket, if the title is enclosed) is found
var tokenEnd = Token.FindToken(
Tokens,
tokenBegin,
Tokens.Count,
Token.TokenFlag.FlagIdentifier,
enclosedTitle ? Token.TokenFlag.FlagBracket : Token.TokenFlag.FlagNone);
// If within the interval there's an open bracket without its matching pair,
// move the upper endpoint back to the bracket
if (!enclosedTitle)
{
var lastBracket = tokenEnd;
var bracketOpen = false;
for (var i = tokenBegin; i < tokenEnd; i++)
{
if (Tokens[i].Category == Token.TokenCategory.Bracket)
{
lastBracket = i;
bracketOpen = !bracketOpen;
}
}
if (bracketOpen) tokenEnd = lastBracket;
}
// If the interval ends with an enclosed group (e.g. "Anime Title [Fansub]"),
// move the upper endpoint back to the beginning of the group. We ignore
// parenthese in order to keep certain groups (e.g. "(TV)") intact.
if (!enclosedTitle)
{
var token = Token.FindPrevToken(Tokens, tokenEnd, Token.TokenFlag.FlagNotDelimiter);
while (ParseHelper.IsTokenCategory(token, Token.TokenCategory.Bracket) && Tokens[token].Content[0] != ')')
{
token = Token.FindPrevToken(Tokens, token, Token.TokenFlag.FlagBracket);
if (Token.InListRange(token, Tokens))
{
tokenEnd = token;
token = Token.FindPrevToken(Tokens, tokenEnd, Token.TokenFlag.FlagNotDelimiter);
}
}
}
ParseHelper.BuildElement(Element.ElementCategory.ElementAnimeTitle, false, Tokens.GetRange(tokenBegin, tokenEnd - tokenBegin));
}