static inline asio::ip::tcp::endpoint cast(const From& endpoint) { switch (endpoint.protocol().family()) { case AF_INET: { const sockaddr_in* addr = reinterpret_cast<const sockaddr_in*>(endpoint.data()); asio::ip::address_v4::bytes_type array; std::copy((char*)&addr->sin_addr, (char*)&addr->sin_addr + array.size(), array.begin()); asio::ip::address_v4 address(array); return asio::ip::tcp::endpoint( address, asio::detail::socket_ops::network_to_host_short(addr->sin_port) ); } case AF_INET6: { const sockaddr_in6* addrv6 = reinterpret_cast<const sockaddr_in6*>(endpoint.data()); asio::ip::address_v6::bytes_type array; std::copy((char*)&addrv6->sin6_addr, (char*)&addrv6->sin6_addr + array.size(), array.begin()); asio::ip::address_v6 address(array, addrv6->sin6_scope_id); return asio::ip::tcp::endpoint( address, asio::detail::socket_ops::network_to_host_short(addrv6->sin6_port) ); } default: BOOST_ASSERT(false); }; return asio::ip::tcp::endpoint(); }
bool move(To& to, From& from) { if (CFGetTypeID(from.c_obj()) == To::type_id()) { to.reset(reinterpret_cast<typename To::type>(from.release())); return true; } return false; }
To operator ()(From &arr) const { typename remove_const<To>::type res(arr.size()); for(std::size_t i = 0, size = arr.size(); i != size; ++i) { res[i] = numeric::promote<typename To::value_type>(arr[i]); } return res; }
std::vector< char > get_block( std::vector<char>::const_iterator prefix_begin, std::vector<char>::const_iterator prefix_end, const From &from_string, typename From::size_type head_pos ) { typename From::size_type block_size = std::min( from_string.size() * sizeof( typename From::value_type ) - head_pos, block_size ); std::vector< char > block( prefix_begin, prefix_end ); block.resize( block.size() + block_size ); std::vector< char >::iterator output_head = block.begin(); std::advance( output_head, std::distance( prefix_begin, prefix_end ) ); std::copy( reinterpret_cast<const char*>( from_string.c_str() ) + head_pos, reinterpret_cast<const char*>( from_string.c_str() ) + head_pos + block_size, output_head ); return block; }
void test_convert_imp(boost::mpl::int_<number_kind_integer> const&, boost::mpl::int_<number_kind_integer> const&) { int bits_wanted = (std::min)((std::min)(std::numeric_limits<From>::digits, std::numeric_limits<To>::digits), 2000); for(unsigned i = 0; i < 100; ++i) { From from = generate_random<From>(bits_wanted); To t1(from); To t2 = from.template convert_to<To>(); BOOST_CHECK_EQUAL(from.str(), t1.str()); BOOST_CHECK_EQUAL(from.str(), t2.str()); test_convert_neg_int<From, To>(from, boost::mpl::bool_<std::numeric_limits<From>::is_signed && std::numeric_limits<To>::is_signed>()); } }
void test_convert_neg_rat(From from, const boost::mpl::true_&) { from = -from; To t3(from); To t4 = from.template convert_to<To>(); BOOST_CHECK_EQUAL(from.str(), numerator(t3).str()); BOOST_CHECK_EQUAL(from.str(), numerator(t4).str()); }
void test_convert_neg_int(From from, const boost::mpl::true_&) { from = -from; To t3(from); To t4 = from.template convert_to<To>(); BOOST_CHECK_EQUAL(from.str(), t3.str()); BOOST_CHECK_EQUAL(from.str(), t4.str()); }
static inline std::string cast(const From& endpoint) { // TODO: Это пиздец. switch (endpoint.protocol().family()) { case AF_INET: case AF_INET6: return boost::lexical_cast<std::string>(endpoint_traits<asio::ip::tcp::endpoint>::cast(endpoint)); case AF_UNIX: { const sockaddr_un* addr = (const sockaddr_un*)(endpoint.data()); return std::string(addr->sun_path); } default: break; }; return "<unknown protocol type>"; }
void test_convert_neg_float(From from, const boost::mpl::true_&) { from = -from; To t3(from); To t4 = from.template convert_to<To>(); To check(from.str() + ".0"); BOOST_CHECK_EQUAL(t3, check); BOOST_CHECK_EQUAL(t4, check); }
To operator()( const From &from_string ) { To to_string; typename From::size_type head_pos = 0; std::vector< char > partial_sequence; while( 1 ) { const std::vector< char > input_block = get_block( partial_sequence.begin(), partial_sequence.end(), from_string, head_pos ); head_pos += input_block.size() - partial_sequence.size(); const std::pair< std::vector< char >, std::vector< char > > output_block = convert_block< block_size >( cd, input_block ); const To temp = set_block( output_block.first ); partial_sequence = output_block.second; to_string += temp; if( head_pos == from_string.size() * sizeof( typename From::value_type ) ) break; } return to_string; }
void generic_interconvert(To& to, const From& from, const mpl::int_<number_kind_floating_point>& /*to_type*/, const mpl::int_<number_kind_floating_point>& /*from_type*/) { #ifdef BOOST_MSVC #pragma warning(push) #pragma warning(disable:4127) #endif // // The code here only works when the radix of "From" is 2, we could try shifting by other // radixes but it would complicate things.... use a string conversion when the radix is other // than 2: // if(std::numeric_limits<number<From> >::radix != 2) { to = from.str(0, std::ios_base::fmtflags()).c_str(); return; } typedef typename canonical<unsigned char, To>::type ui_type; using default_ops::eval_fpclassify; using default_ops::eval_add; using default_ops::eval_subtract; using default_ops::eval_convert_to; // // First classify the input, then handle the special cases: // int c = eval_fpclassify(from); if(c == FP_ZERO) { to = ui_type(0); return; } else if(c == FP_NAN) { to = "nan"; return; } else if(c == FP_INFINITE) { to = "inf"; if(eval_get_sign(from) < 0) to.negate(); return; } typename From::exponent_type e; From f, term; to = ui_type(0); eval_frexp(f, from, &e); static const int shift = std::numeric_limits<boost::intmax_t>::digits - 1; while(!eval_is_zero(f)) { // extract int sized bits from f: eval_ldexp(f, f, shift); eval_floor(term, f); e -= shift; eval_ldexp(to, to, shift); typename boost::multiprecision::detail::canonical<boost::intmax_t, To>::type ll; eval_convert_to(&ll, term); eval_add(to, ll); eval_subtract(f, term); } typedef typename To::exponent_type to_exponent; if((e > (std::numeric_limits<to_exponent>::max)()) || (e < (std::numeric_limits<to_exponent>::min)())) { to = "inf"; if(eval_get_sign(from) < 0) to.negate(); return; } eval_ldexp(to, to, static_cast<to_exponent>(e)); #ifdef BOOST_MSVC #pragma warning(pop) #endif }
To duration_cast(From const& dt) { return To(From::period::num * dt.count(), From::period::den); }
To cast(From from) { if (CFGetTypeID(from.c_obj()) == To::type_id()) { return To(reinterpret_cast<typename To::type>(from.release())); } return nullptr; }
void vchar2string(To& t,From& f) { t.assign(f.begin(),f.end()); }
To operator()(const From& x) const { return x.get(); }
To operator()(const From& x) const { return {x.get_locked(), false}; }
// Pass by reference for lvalue of 'move_ptr'. // Also note 'auto_ptr' isn't copy-initializable from one which has // a different 'element_type'. See http://tinyurl.com/yo8a7w (defect report #84). template< class To, class From > inline To move_to(From& from) { return To(from.release()); }