Method FindConfigFile

src/Config.cpp:654–687

  }

  std::string FindConfigFile(std::string fileName) {
    // Working directory
    if (CanOpenFileUtf8(fileName)) {
      return fileName;
    }
    // Package data directory
    if (PACKAGE_DATA_DIRECTORY != "") {
      std::string prefixedFileName = PACKAGE_DATA_DIRECTORY + fileName;
      if (CanOpenFileUtf8(prefixedFileName)) {
        return prefixedFileName;
      }
      prefixedFileName += ".json";
      if (CanOpenFileUtf8(prefixedFileName)) {
        return prefixedFileName;
      }
    }

    for (const std::string& dirPath : paths) {
      std::string path = dirPath + '/' + fileName;
      if (CanOpenFileUtf8(path)) {
        return path;
      }
    }

    const char* envPath = std::getenv("OPENCC_DATA_DIR");
    if (envPath != nullptr) {
      auto path = std::string(envPath) + '/' + fileName;
      if (CanOpenFileUtf8(path)) {
        return path;
      }
    }

    throw FileNotFound(fileName);
  }
};

std::string GetParentDirectory(const std::string& path) {