// static
StatusWithFTSLanguage FTSLanguage::make(StringData langName, TextIndexVersion textIndexVersion) {
switch (textIndexVersion) {
case TEXT_INDEX_VERSION_2: {
LanguageMapV2::const_iterator it = languageMapV2.find(langName.toString());
if (it == languageMapV2.end()) {
// TEXT_INDEX_VERSION_2 rejects unrecognized language strings.
Status status = Status(ErrorCodes::BadValue,
mongoutils::str::stream() << "unsupported language: \""
<< langName << "\"");
return StatusWithFTSLanguage(status);
}
return StatusWithFTSLanguage(it->second);
}
case TEXT_INDEX_VERSION_1: {
LanguageMapV1::const_iterator it = languageMapV1.find(langName);
if (it == languageMapV1.end()) {
// TEXT_INDEX_VERSION_1 treats unrecognized language strings as "none".
return StatusWithFTSLanguage(&languageNoneV1);
}
return StatusWithFTSLanguage(it->second);
}
}
verify(false);
return StatusWithFTSLanguage(Status::OK());
}
// static
StatusWithFTSLanguage FTSLanguage::make(StringData langName, TextIndexVersion textIndexVersion) {
if (textIndexVersion >= TEXT_INDEX_VERSION_2) {
LanguageMap* languageMap =
(textIndexVersion == TEXT_INDEX_VERSION_3) ? &languageMapV3 : &languageMapV2;
LanguageMap::const_iterator it = languageMap->find(langName.toString());
if (it == languageMap->end()) {
// TEXT_INDEX_VERSION_2 and above reject unrecognized language strings.
Status status = Status(ErrorCodes::BadValue,
str::stream() << "unsupported language: \"" << langName
<< "\" for text index version "
<< textIndexVersion);
return StatusWithFTSLanguage(status);
}
return StatusWithFTSLanguage(it->second);
} else {
// Legacy text index.
invariant(textIndexVersion == TEXT_INDEX_VERSION_1);
LanguageMapLegacy::const_iterator it = languageMapV1.find(langName);
if (it == languageMapV1.end()) {
// TEXT_INDEX_VERSION_1 treats unrecognized language strings as "none".
return StatusWithFTSLanguage(&languageNoneV1);
}
return StatusWithFTSLanguage(it->second);
}
}
