74 lines
1.4 KiB
C++
74 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/beast
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//
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#ifndef BOOST_BEAST_IMPL_STRING_IPP
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#define BOOST_BEAST_IMPL_STRING_IPP
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#include <boost/beast/core/string.hpp>
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#include <boost/beast/core/detail/string.hpp>
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#include <algorithm>
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namespace boost {
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namespace beast {
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bool
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iequals(
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beast::string_view lhs,
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beast::string_view rhs)
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{
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auto n = lhs.size();
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if(rhs.size() != n)
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return false;
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auto p1 = lhs.data();
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auto p2 = rhs.data();
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char a, b;
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// fast loop
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while(n--)
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{
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a = *p1++;
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b = *p2++;
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if(a != b)
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goto slow;
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}
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return true;
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slow:
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do
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{
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if( detail::ascii_tolower(a) !=
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detail::ascii_tolower(b))
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return false;
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a = *p1++;
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b = *p2++;
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}
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while(n--);
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return true;
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}
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bool
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iless::operator()(
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string_view lhs,
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string_view rhs) const
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{
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using std::begin;
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using std::end;
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return std::lexicographical_compare(
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begin(lhs), end(lhs), begin(rhs), end(rhs),
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[](char c1, char c2)
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{
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return detail::ascii_tolower(c1) < detail::ascii_tolower(c2);
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}
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);
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}
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} // beast
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} // boost
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#endif
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