56 lines
1.1 KiB
C++
56 lines
1.1 KiB
C++
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//
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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_GRAMMAR_IMPL_NOT_EMPTY_RULE_HPP
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#define BOOST_URL_GRAMMAR_IMPL_NOT_EMPTY_RULE_HPP
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#include <boost/url/grammar/error.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 grammar {
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template<class R>
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auto
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not_empty_rule_t<R>::
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parse(
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char const*& it,
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char const* end) const ->
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system::result<value_type>
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{
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if(it == end)
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{
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// empty
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BOOST_URL_RETURN_EC(
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error::mismatch);
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}
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auto const it0 = it;
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auto rv = r_.parse(it, end);
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if( !rv )
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{
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// error
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return rv;
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}
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if(it == it0)
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{
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// empty
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BOOST_URL_RETURN_EC(
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error::mismatch);
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}
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// value
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return rv;
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}
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} // grammar
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} // urls
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} // boost
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#endif
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