Method EncodeUnsafe

rapidjson/encodings.h:292–304

    template<typename OutputStream>
    static void EncodeUnsafe(OutputStream& os, unsigned codepoint) {
        RAPIDJSON_STATIC_ASSERT(sizeof(typename OutputStream::Ch) >= 2);
        if (codepoint <= 0xFFFF) {
            RAPIDJSON_ASSERT(codepoint < 0xD800 || codepoint > 0xDFFF); // Code point itself cannot be surrogate pair 
            PutUnsafe(os, static_cast<typename OutputStream::Ch>(codepoint));
        }
        else {
            RAPIDJSON_ASSERT(codepoint <= 0x10FFFF);
            unsigned v = codepoint - 0x10000;
            PutUnsafe(os, static_cast<typename OutputStream::Ch>((v >> 10) | 0xD800));
            PutUnsafe(os, (v & 0x3FF) | 0xDC00);
        }
    }

    template <typename InputStream>
    static bool Decode(InputStream& is, unsigned* codepoint) {