70 lines
1.5 KiB
C++
70 lines
1.5 KiB
C++
//
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// Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot 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_DETAIL_FRAGMENT_PART_RULE_HPP
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#define BOOST_URL_RFC_DETAIL_FRAGMENT_PART_RULE_HPP
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#include <boost/url/rfc/pct_encoded_rule.hpp>
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#include <boost/url/rfc/detail/charsets.hpp>
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#include <boost/url/grammar/parse.hpp>
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namespace boost {
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namespace urls {
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namespace detail {
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/** Rule for fragment-part
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@par BNF
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@code
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fragment-part = [ "#" fragment ]
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fragment = *( pchar / "/" / "?" )
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@endcode
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@par Specification
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@li <a href="https://datatracker.ietf.org/doc/html/rfc3986#section-3.5"
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>3.5. Fragment (rfc3986)</a>
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*/
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struct fragment_part_rule_t
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{
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struct value_type
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{
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pct_string_view fragment;
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bool has_fragment = false;
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};
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system::result<value_type>
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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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{
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if( it == end ||
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*it != '#')
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return {};
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++it;
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auto rv = grammar::parse(
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it, end, pct_encoded_rule(
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fragment_chars));
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if(! rv)
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return rv.error();
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value_type t;
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t.fragment = *rv;
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t.has_fragment = true;
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return t;
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}
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};
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constexpr fragment_part_rule_t fragment_part_rule{};
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} // detail
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} // urls
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} // boost
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#endif
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