64 lines
1.4 KiB
C++
64 lines
1.4 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_IMPL_SCHEME_RULE_IPP
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#define BOOST_URL_IMPL_SCHEME_RULE_IPP
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#include <boost/url/rfc/detail/scheme_rule.hpp>
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#include <boost/url/grammar/delim_rule.hpp>
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#include <boost/url/grammar/tuple_rule.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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auto
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scheme_rule::
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parse(
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char const*& it,
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char const* end) const noexcept ->
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result<value_type>
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{
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auto const start = it;
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if(it == end)
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{
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// end
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BOOST_URL_RETURN_EC(
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grammar::error::mismatch);
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}
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if(! grammar::alpha_chars(*it))
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{
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// expected alpha
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BOOST_URL_RETURN_EC(
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grammar::error::mismatch);
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}
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static
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constexpr
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grammar::lut_chars scheme_chars(
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"0123456789" "+-."
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"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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"abcdefghijklmnopqrstuvwxyz");
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it = grammar::find_if_not(
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it + 1, end, scheme_chars);
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value_type t;
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t.scheme = string_view(
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start, it - start);
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t.scheme_id = string_to_scheme(
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t.scheme);
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return t;
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}
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} // detail
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} // urls
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} // boost
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#endif
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