Method MatchPrefix

src/PrefixMatch.cpp:399–424

PrefixMatch::~PrefixMatch() {}

PrefixMatch::Match PrefixMatch::MatchPrefix(const char* word,
                                            size_t len) const {
  if (singleDict != nullptr) {
    struct MatchCache {
      std::string key;
      std::string value;
    };
    // key/value pointers are valid until the next MatchPrefix() call on this
    // thread.
    static thread_local MatchCache matchCache;
    const PrefixMatchView pv = singleDict->MatchPrefixValue(word, len);
    if (pv.matched) {
      matchCache.key = std::string(pv.key);
      matchCache.value = std::string(pv.value);
      return Match{true, pv.keyLength, &matchCache.key, &matchCache.value};
    }
    return Match{false, 0, nullptr, nullptr};
  }

  const Tables::Matcher::Candidate candidate =
      tables->matcher->MatchPrefixCandidate(word, len);
  if (candidate.hasValue) {
    return Match{true, candidate.keyLength, candidate.key, candidate.value};
  }
  return Match{false, 0, nullptr, nullptr};
}

PrefixMatchView PrefixMatch::MatchPrefixView(const char* word,
                                              size_t len) const {