static bool Validate()

in rapidjson/encodings.h [179:202]

• 23 lines of code
• 9 McCabe index (conditional complexity)

    static bool Validate(InputStream& is, OutputStream& os) {
#define COPY() os.Put(c = is.Take())
#define TRANS(mask) result &= ((GetRange(static_cast<unsigned char>(c)) & mask) != 0)
#define TAIL() COPY(); TRANS(0x70)
        Ch c;
        COPY();
        if (!(c & 0x80))
            return true;

        bool result = true;
        switch (GetRange(static_cast<unsigned char>(c))) {
        case 2: TAIL(); return result;
        case 3: TAIL(); TAIL(); return result;
        case 4: COPY(); TRANS(0x50); TAIL(); return result;
        case 5: COPY(); TRANS(0x10); TAIL(); TAIL(); return result;
        case 6: TAIL(); TAIL(); TAIL(); return result;
        case 10: COPY(); TRANS(0x20); TAIL(); return result;
        case 11: COPY(); TRANS(0x60); TAIL(); TAIL(); return result;
        default: return false;
        }
#undef COPY
#undef TRANS
#undef TAIL
    }