StringInputStream impl

  buf_len_ = bytes_read;

}

std::unique_ptr<StringInputStream> StringInputStream::fromString(

    const std::string& string) {

  return std::unique_ptr<StringInputStream>(new StringInputStream(string));

}

StringInputStream::StringInputStream(

    const std::string& string) :

    str_(string),

    cur_(0) {}

bool StringInputStream::readNextByte(char* target) {

  if (cur_ < str_.size()) {

    *target = str_.at(cur_++);

    return true;

  } else {

    return false;

  }

}

}

}