CODE_POINT_MAX get_sequence_1 get_sequence_2 get_sequence_3 get_sequence_4 increase_safely is_code_point_valid is_lead_surrogate is_overlong_sequence is_surrogate is_trail is_trail_surrogate LEAD_OFFSET LEAD_SURROGATE_MAX LEAD_SURROGATE_MIN mask16 mask8 sequence_length SURROGATE_OFFSET TRAIL_SURROGATE_MAX TRAIL_SURROGATE_MIN utf_error validate_next validate_next

get_sequence_1() template<typename octet_iterator > utf_error utf8::internal::get_sequence_1 ( octet_iterator &  it, octet_iterator  end, uint32_t &  code_point  ) get_sequence_x functions decode utf-8 sequences of the length x 函数调用图: 这是这个函数的调用关系图: