Function ParentDirectory

plugins/jieba/tests/JiebaPluginIntegrationTest.cpp:94–100

namespace {

std::string ParentDirectory(const std::string& path) {
  const std::string::size_type pos = path.find_last_of("/\\");
  if (pos == std::string::npos) {
    return "";
  }
  return path.substr(0, pos);
}

bool IsReadableFile(const std::string& path) {
  std::ifstream ifs(path.c_str());