void Parser::SearchForIsolatedNumbers() {
for (token_container_t::iterator token = tokens_.begin(); token != tokens_.end(); ++token) {
if (token->category != kUnknown ||
!IsNumericString(token->content) ||
!IsTokenIsolated(token))
continue;
int number = StringToInt(token->content);
// Anime year
if (number >= kAnimeYearMin && number <= kAnimeYearMax) {
if (elements_.empty(kElementAnimeYear)) {
elements_.insert(kElementAnimeYear, token->content);
token->category = kIdentifier;
continue;
}
}
// Video resolution
if (number == 480 || number == 720 || number == 1080) {
// If these numbers are isolated, it's more likely for them to be the
// video resolution rather than the episode number. Some fansub groups
// use these without the "p" suffix.
if (elements_.empty(kElementVideoResolution)) {
elements_.insert(kElementVideoResolution, token->content);
token->category = kIdentifier;
continue;
}
}
}
}
bool Parser::SearchForIsolatedNumbers(std::vector<size_t>& tokens) {
for (auto token_index = tokens.begin();
token_index != tokens.end(); ++token_index) {
auto token = tokens_.begin() + *token_index;
if (!token->enclosed || !IsTokenIsolated(token))
continue;
if (SetEpisodeNumber(token->content, *token, true))
return true;
}
return false;
}
bool Parser::SearchForEquivalentNumbers(std::vector<size_t>& tokens) {
for (auto token_index = tokens.begin();
token_index != tokens.end(); ++token_index) {
auto token = tokens_.begin() + *token_index;
if (IsTokenIsolated(token))
continue;
// Find the first enclosed, non-delimiter token
auto next_token = FindNextToken(tokens_, token, kFlagNotDelimiter);
if (next_token != tokens_.end() &&
next_token->category == kBracket) {
next_token = FindNextToken(tokens_, next_token,
kFlagEnclosed | kFlagNotDelimiter);
} else {
continue;
}
// See if it's an isolated number
if (next_token != tokens_.end() &&
next_token->category == kUnknown &&
IsTokenIsolated(next_token) &&
IsNumericString(next_token->content)) {
if (IsValidEpisodeNumber(token->content) &&
IsValidEpisodeNumber(next_token->content)) {
auto lower_token =
StringToInt(token->content) < StringToInt(next_token->content) ?
token : next_token;
SetEpisodeNumber(lower_token->content, *token, false);
next_token->category = kIdentifier;
return true;
}
}
}
return false;
}
