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-rw-r--r--lib/asio/ip/resolver_base.hpp129
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diff --git a/lib/asio/ip/resolver_base.hpp b/lib/asio/ip/resolver_base.hpp
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--- a/lib/asio/ip/resolver_base.hpp
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-//
-// ip/resolver_base.hpp
-// ~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef ASIO_IP_RESOLVER_BASE_HPP
-#define ASIO_IP_RESOLVER_BASE_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-#include "asio/detail/socket_types.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace ip {
-
-/// The resolver_base class is used as a base for the basic_resolver class
-/// templates to provide a common place to define the flag constants.
-class resolver_base
-{
-public:
-#if defined(GENERATING_DOCUMENTATION)
- /// A bitmask type (C++ Std [lib.bitmask.types]).
- typedef unspecified flags;
-
- /// Determine the canonical name of the host specified in the query.
- static const flags canonical_name = implementation_defined;
-
- /// Indicate that returned endpoint is intended for use as a locally bound
- /// socket endpoint.
- static const flags passive = implementation_defined;
-
- /// Host name should be treated as a numeric string defining an IPv4 or IPv6
- /// address and no name resolution should be attempted.
- static const flags numeric_host = implementation_defined;
-
- /// Service name should be treated as a numeric string defining a port number
- /// and no name resolution should be attempted.
- static const flags numeric_service = implementation_defined;
-
- /// If the query protocol family is specified as IPv6, return IPv4-mapped
- /// IPv6 addresses on finding no IPv6 addresses.
- static const flags v4_mapped = implementation_defined;
-
- /// If used with v4_mapped, return all matching IPv6 and IPv4 addresses.
- static const flags all_matching = implementation_defined;
-
- /// Only return IPv4 addresses if a non-loopback IPv4 address is configured
- /// for the system. Only return IPv6 addresses if a non-loopback IPv6 address
- /// is configured for the system.
- static const flags address_configured = implementation_defined;
-#else
- enum flags
- {
- canonical_name = ASIO_OS_DEF(AI_CANONNAME),
- passive = ASIO_OS_DEF(AI_PASSIVE),
- numeric_host = ASIO_OS_DEF(AI_NUMERICHOST),
- numeric_service = ASIO_OS_DEF(AI_NUMERICSERV),
- v4_mapped = ASIO_OS_DEF(AI_V4MAPPED),
- all_matching = ASIO_OS_DEF(AI_ALL),
- address_configured = ASIO_OS_DEF(AI_ADDRCONFIG)
- };
-
- // Implement bitmask operations as shown in C++ Std [lib.bitmask.types].
-
- friend flags operator&(flags x, flags y)
- {
- return static_cast<flags>(
- static_cast<unsigned int>(x) & static_cast<unsigned int>(y));
- }
-
- friend flags operator|(flags x, flags y)
- {
- return static_cast<flags>(
- static_cast<unsigned int>(x) | static_cast<unsigned int>(y));
- }
-
- friend flags operator^(flags x, flags y)
- {
- return static_cast<flags>(
- static_cast<unsigned int>(x) ^ static_cast<unsigned int>(y));
- }
-
- friend flags operator~(flags x)
- {
- return static_cast<flags>(~static_cast<unsigned int>(x));
- }
-
- friend flags& operator&=(flags& x, flags y)
- {
- x = x & y;
- return x;
- }
-
- friend flags& operator|=(flags& x, flags y)
- {
- x = x | y;
- return x;
- }
-
- friend flags& operator^=(flags& x, flags y)
- {
- x = x ^ y;
- return x;
- }
-#endif
-
-protected:
- /// Protected destructor to prevent deletion through this type.
- ~resolver_base()
- {
- }
-};
-
-} // namespace ip
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // ASIO_IP_RESOLVER_BASE_HPP