Ch Take()

in rapidjson/pointer.h [991:1011]

• 21 lines of code
• 10 McCabe index (conditional complexity)

        Ch Take() {
            if (*src_ != '%' || src_ + 3 > end_) { // %XY triplet
                valid_ = false;
                return 0;
            }
            src_++;
            Ch c = 0;
            for (int j = 0; j < 2; j++) {
                c = static_cast<Ch>(c << 4);
                Ch h = *src_;
                if      (h >= '0' && h <= '9') c = static_cast<Ch>(c + h - '0');
                else if (h >= 'A' && h <= 'F') c = static_cast<Ch>(c + h - 'A' + 10);
                else if (h >= 'a' && h <= 'f') c = static_cast<Ch>(c + h - 'a' + 10);
                else {
                    valid_ = false;
                    return 0;
                }
                src_++;
            }
            return c;
        }