79 lines
1.9 KiB
C++
79 lines
1.9 KiB
C++
//
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// Copyright (c) 2019 Vinnie Falco (vinnie.falco@gmail.com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// Official repository: https://github.com/boostorg/url
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//
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#ifndef BOOST_URL_RFC_IPV4_ADDRESS_RULE_HPP
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#define BOOST_URL_RFC_IPV4_ADDRESS_RULE_HPP
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#include <boost/url/detail/config.hpp>
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#include <boost/url/ipv4_address.hpp>
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#include <boost/url/error_types.hpp>
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namespace boost {
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namespace urls {
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/** Rule for an IP version 4 style address
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@par Value Type
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@code
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using value_type = ipv4_address;
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@endcode
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@par Example
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Rules are used with the function @ref grammar::parse.
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@code
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system::result< ipv4_address > rv = grammar::parse( "192.168.0.1", ipv4_address_rule );
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@endcode
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@par BNF
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@code
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IPv4address = dec-octet "." dec-octet "." dec-octet "." dec-octet
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dec-octet = DIGIT ; 0-9
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/ %x31-39 DIGIT ; 10-99
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/ "1" 2DIGIT ; 100-199
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/ "2" %x30-34 DIGIT ; 200-249
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/ "25" %x30-35 ; 250-255
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@endcode
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@par Specification
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@li <a href="https://en.wikipedia.org/wiki/IPv4"
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>IPv4 (Wikipedia)</a>
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@li <a href="https://datatracker.ietf.org/doc/html/rfc3986#section-3.2.2"
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>3.2.2. Host (rfc3986)</a>
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@see
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@ref ipv4_address,
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@ref parse_ipv4_address,
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@ref grammar::parse.
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*/
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#ifdef BOOST_URL_DOCS
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constexpr __implementation_defined__ ipv4_address_rule;
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#else
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struct ipv4_address_rule_t
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{
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using value_type =
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ipv4_address;
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BOOST_URL_DECL
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auto
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parse(
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char const*& it,
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char const* end
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) const noexcept ->
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system::result<ipv4_address>;
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};
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constexpr ipv4_address_rule_t ipv4_address_rule{};
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#endif
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} // urls
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} // boost
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#endif
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