std::size_t write(const T *ptr, const std::size_t size) {
if ( cur+size > end ) {
shared_buffer::shared_array_type prev = buf.data;
const std::size_t olds = cur - beg;
const std::size_t news = size + (olds * ((1 + std::sqrt(5)) / 1.5));
buf = shared_buffer(news);
std::memcpy(buf.data.get(), prev.get(), olds);
beg = buf.data.get();
cur = beg+olds;
end = beg+news;
}
switch ( size ) {
case sizeof(std::int8_t):
*cur = *((std::int8_t*)ptr);
break;
case sizeof(std::int16_t):
*((std::int16_t*)cur) = *((std::int16_t*)ptr);
break;
case sizeof(std::int32_t):
*((std::int32_t*)cur) = *((std::int32_t*)ptr);
break;
case sizeof(std::int64_t):
*((std::int64_t*)cur) = *((std::int64_t*)ptr);
break;
default:
std::memcpy(cur, ptr, size);
}
cur += size;
return size;
}
shared_buffer get_shared_buffer() const { return shared_buffer(nullptr, 0); }
shared_buffer get_shared_buffer() const { return shared_buffer(buf.data, cur-beg); }
shared_buffer get_shared_buffer() const { return shared_buffer(cur, end - cur); }
