mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
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43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2017 Bolero MURAKAMI
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https://github.com/bolero-MURAKAMI/Sprout
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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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#ifndef SPROUT_STRING_DETAIL_COMPARE_HPP
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#define SPROUT_STRING_DETAIL_COMPARE_HPP
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#include <sprout/config.hpp>
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#include HDR_ALGORITHM_MIN_MAX_SSCRISK_CEL_OR_SPROUT
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namespace sprout {
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namespace string_detail {
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template<typename String>
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static SPROUT_CONSTEXPR int
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compare_impl_1(
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int compared, typename String::size_type n1, typename String::size_type n2
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)
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{
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return compared != 0 ? compared
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: n1 < n2 ? -1
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: n2 < n1 ? 1
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: 0
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;
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}
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template<typename String, typename ConstIterator>
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static SPROUT_CONSTEXPR int
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compare_impl(
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typename String::const_iterator data, typename String::size_type pos1, typename String::size_type n1,
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ConstIterator s, typename String::size_type n2
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)
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{
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return sprout::string_detail::compare_impl_1<String>(
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String::traits_type::compare(data + pos1, s, NS_SSCRISK_CEL_OR_SPROUT::min(n1, n2)),
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n1, n2
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);
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}
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} // namespace string_detail
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} // namespace sprout
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#endif // #ifndef SPROUT_STRING_DETAIL_COMPARE_HPP
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