bool Anitomy::RemoveExtensionFromFilename(string_t& filename,
string_t& extension) {
const size_t position = filename.find_last_of(L'.');
if (position == string_t::npos)
return false;
extension = filename.substr(position + 1);
const size_t max_length = 4;
if (extension.length() > max_length)
return false;
if (!IsAlphanumericString(extension))
return false;
// TODO: Add an option for this
auto keyword = StringToUpperCopy(extension);
if (!keyword_manager.Find(kElementFileExtension, keyword))
return false;
filename.resize(position);
return true;
}
string_t KeywordManager::Normalize(const string_t& str) const {
return StringToUpperCopy(str);
}
void Parser::SearchForKeywords() {
for (auto& token : tokens_) {
if (token.category != kUnknown)
continue;
auto word = token.content;
TrimString(word);
// Don't bother if the word is a number that cannot be CRC
if (word.size() != 8 && IsNumericString(word))
continue;
// Performs better than making a case-insensitive Find
auto keyword = StringToUpperCopy(word);
for (int i = kElementIterateFirst; i < kElementIterateLast; i++) {
auto category = static_cast<ElementCategory>(i);
if (!parse_options.parse_release_group)
if (category == kElementReleaseGroup)
continue;
if (!IsElementCategorySearchable(category))
continue;
if (IsElementCategorySingular(category))
if (!elements_.empty(category))
continue;
bool add_keyword = false;
KeywordOptions options;
switch (category) {
case kElementFileChecksum:
add_keyword = IsCrc32(word);
break;
case kElementVideoResolution:
add_keyword = IsResolution(word);
break;
default:
add_keyword = keyword_manager.Find(category, keyword, options);
break;
}
if (add_keyword) {
switch (category) {
case kElementReleaseVersion:
elements_.insert(category, word.substr(1)); // number without "v"
break;
default:
elements_.insert(category, word);
break;
}
if (options.safe || token.enclosed)
token.category = kIdentifier;
break;
}
}
}
}
