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