sink_result try_write_cur()
{
auto r = sink->write(std::move(cur_out));
if (!r)
{
if (r.s == sink_result::part)
return sink_result(sink_result::would_block);
return r;
}
prepare_out();
return r;
}
virtual source_result read_next(size_t amount = 0)
{
sassert(pull);
auto s = drive();
if (s == source_result::ok)
{
auto bucket = std::move(cur_out);
prepare_out();
return source_result(std::move(bucket));
}
return source_result(s);
}
deflate_source(source const& src, bool compress, bool pull = true)
: octet_reader(src)
, pull(pull)
, compress(compress)
{
str.zalloc = 0;
str.zfree = 0;
str.opaque = 0;
if (compress)
mz_deflateInit(&str, MZ_DEFAULT_COMPRESSION);
else
mz_inflateInit(&str);
str.avail_in = 0;
str.avail_out = 0;
prepare_out();
}