148 lines
4.8 KiB
Plaintext
148 lines
4.8 KiB
Plaintext
// (C) Copyright Gennadiy Rozental 2001.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org/libs/test for the library home page.
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//
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// File : $RCSfile$
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//
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// Version : $Revision$
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//
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// Description : class basic_cstring comparisons implementation
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// ***************************************************************************
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#ifndef BOOST_TEST_UTILS_BASIC_CSTRING_COMPARE_HPP
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#define BOOST_TEST_UTILS_BASIC_CSTRING_COMPARE_HPP
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// Boost.Test
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#include <boost/test/utils/basic_cstring/basic_cstring.hpp>
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// STL
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#include <functional>
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#include <cctype>
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#include <boost/test/detail/suppress_warnings.hpp>
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//____________________________________________________________________________//
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# if defined(BOOST_NO_STDC_NAMESPACE) && !BOOST_WORKAROUND(__BORLANDC__, <= 0x570)
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namespace std { using ::toupper; }
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# endif
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namespace boost {
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namespace unit_test {
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// ************************************************************************** //
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// ************** case_ins_compare ************** //
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// ************************************************************************** //
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namespace ut_detail {
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template<class CharT>
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struct case_ins
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{
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static bool eq( CharT c1, CharT c2 ) { return (std::toupper)( c1 ) == (std::toupper)( c2 ); }
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static bool lt( CharT c1, CharT c2 ) { return (std::toupper)( c1 ) < (std::toupper)( c2 ); }
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static int compare( CharT const* s1, CharT const* s2, std::size_t n )
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{
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for( std::size_t i = 0; i < n; ++i ) {
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if( !eq( s1[i], s2[i] ) )
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return lt( s1[i], s2[i] ) ? -1 : 1;
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}
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return 0;
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}
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};
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} // namespace ut_detail
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// ************************************************************************** //
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// ************** case_ins_eq ************** //
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// ************************************************************************** //
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template<class CharT>
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inline bool
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case_ins_eq( basic_cstring<CharT> x, basic_cstring<CharT> y )
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{
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return x.size() == y.size() && ut_detail::case_ins<CharT>::compare( x.begin(), y.begin(), x.size() ) == 0;
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}
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//____________________________________________________________________________//
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// ************************************************************************** //
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// ************** case_ins_less ************** //
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// ************************************************************************** //
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template<class CharT>
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class case_ins_less : public std::binary_function<basic_cstring<CharT>,basic_cstring<CharT>,bool>
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{
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public:
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bool operator()( basic_cstring<CharT> x, basic_cstring<CharT> y ) const
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{
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return x.size() != y.size()
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? x.size() < y.size()
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: ut_detail::case_ins<CharT>::compare( x.begin(), y.begin(), x.size() ) < 0;
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}
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};
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//____________________________________________________________________________//
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// ************************************************************************** //
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// ************** operators <,> ************** //
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// ************************************************************************** //
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template<class CharT>
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inline bool
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operator <( boost::unit_test::basic_cstring<CharT> const& x,
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boost::unit_test::basic_cstring<CharT> const& y )
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{
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typedef typename boost::unit_test::basic_cstring<CharT>::traits_type traits_type;
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return x.size() != y.size()
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? x.size() < y.size()
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: traits_type::compare( x.begin(), y.begin(), x.size() ) < 0;
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}
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//____________________________________________________________________________//
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template<class CharT>
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inline bool
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operator <=( boost::unit_test::basic_cstring<CharT> const& x,
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boost::unit_test::basic_cstring<CharT> const& y )
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{
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return !(y < x);
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}
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//____________________________________________________________________________//
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template<class CharT>
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inline bool
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operator >( boost::unit_test::basic_cstring<CharT> const& x,
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boost::unit_test::basic_cstring<CharT> const& y )
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{
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return y < x;
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}
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//____________________________________________________________________________//
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template<class CharT>
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inline bool
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operator >=( boost::unit_test::basic_cstring<CharT> const& x,
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boost::unit_test::basic_cstring<CharT> const& y )
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{
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return !(x < y);
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}
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//____________________________________________________________________________//
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} // namespace unit_test
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} // namespace boost
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//____________________________________________________________________________//
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#include <boost/test/detail/enable_warnings.hpp>
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#endif // BOOST_TEST_BASIC_CSTRING_COMPARE_HPP_071894GER
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