Function add_primitives

src/mcpack2pb/serializer.cpp:298–328

template <typename T>
inline void add_primitives(OutputStream* stream,
                           Serializer::GroupInfo & group_info,
                           const T* values, size_t n) {
    if (!stream->good()) {
        return;
    }
    if (!array_add_item(stream, group_info, GetFieldType<T>::value, n)) {
        return stream->set_bad();
    }
    if (group_info.isomorphic) {
        stream->append(values, sizeof(T) * n);
    } else {
        // Even for mcpack arrays, we need to batch the values into an array
        // of head+value and write the array into stream for (much) better
        // throughput.
        static const size_t BATCH = 128;
        size_t nwritten = 0;
        while (n) {
            const size_t cur_batch = std::min(n, BATCH);
            FixedHeadAndValue<T> tmp[cur_batch];
            for (size_t i = 0; i < cur_batch; ++i) {
                tmp[i].head.set_type(GetFieldType<T>::value);
                tmp[i].head.set_name_size(0);
                tmp[i].value = values[nwritten + i];
            }
            nwritten += cur_batch;
            n -= cur_batch;
            stream->append(tmp, sizeof(FixedHeadAndValue<T>) * cur_batch);
        }
    }
}

void Serializer::add_int8(const StringWrapper& name, int8_t value)
{ add_primitive(_stream, peek_group_info(), name, value); }