Method next_byte_in_range

Source/Utils/json.hpp:6088–6108

! @brief check if the next byte(s) are inside a given range Adds the current byte and, for each passed range, reads a new byte and checks if it is inside the range. If a violation was detected, set up an error message and return false. Otherwise, return true. @param[in] ranges list of integers; interpreted as list of pairs of

            @return true if and only if no range violation was detected
            */
            bool next_byte_in_range(std::initializer_list<char_int_type> ranges)
            {
                JSON_ASSERT(ranges.size() == 2 || ranges.size() == 4 || ranges.size() == 6);
                add(current);

                for (auto range = ranges.begin(); range != ranges.end(); ++range)
                {
                    get();
                    if (JSON_HEDLEY_LIKELY(*range <= current && current <= *(++range)))
                    {
                        add(current);
                    }
                    else
                    {
                        error_message = "invalid string: ill-formed UTF-8 byte";
                        return false;
                    }
                }

                return true;
            }

            /*!
            @brief scan a string literal