Chris@16: //  (C) Copyright Gennadiy Rozental 2004-2008.
Chris@16: //  Distributed under the Boost Software License, Version 1.0.
Chris@16: //  (See accompanying file LICENSE_1_0.txt or copy at 
Chris@16: //  http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: //  See http://www.boost.org/libs/test for the library home page.
Chris@16: //
Chris@16: //  File        : $RCSfile$
Chris@16: //
Chris@101: //  Version     : $Revision$
Chris@16: //
Chris@16: //  Description : class basic_cstring comparisons implementation
Chris@16: // ***************************************************************************
Chris@16: 
Chris@16: #ifndef  BOOST_TEST_BASIC_CSTRING_COMPARE_HPP_071894GER
Chris@16: #define  BOOST_TEST_BASIC_CSTRING_COMPARE_HPP_071894GER
Chris@16: 
Chris@16: // Boost.Test
Chris@16: #include <boost/test/utils/basic_cstring/basic_cstring.hpp>
Chris@16: 
Chris@16: // STL
Chris@16: #include <functional>
Chris@16: #include <cctype>
Chris@16: 
Chris@16: #include <boost/test/detail/suppress_warnings.hpp>
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: # if defined(BOOST_NO_STDC_NAMESPACE) && !BOOST_WORKAROUND(__BORLANDC__, <= 0x570)
Chris@16: namespace std { using ::toupper; }
Chris@16: # endif
Chris@16: 
Chris@16: namespace boost {
Chris@16: 
Chris@16: namespace unit_test {
Chris@16: 
Chris@16: // ************************************************************************** //
Chris@16: // **************                case_ins_compare              ************** //
Chris@16: // ************************************************************************** //
Chris@16: 
Chris@16: namespace ut_detail {
Chris@16: 
Chris@16: template<class CharT>
Chris@16: struct case_ins
Chris@16: {
Chris@16:     static bool         eq( CharT c1, CharT c2 ) { return (std::toupper)( c1 ) == (std::toupper)( c2 ); }
Chris@16:     static bool         lt( CharT c1, CharT c2 ) { return (std::toupper)( c1 ) <  (std::toupper)( c2 ); }
Chris@16: 
Chris@16:     static int          compare( CharT const* s1, CharT const* s2, std::size_t n )
Chris@16:     {
Chris@16:         for( std::size_t i = 0; i < n; ++i ) {
Chris@16:             if( !eq( s1[i], s2[i] ) )
Chris@16:                 return lt( s1[i], s2[i] ) ? -1 : 1;
Chris@16:         }
Chris@16:         return 0;
Chris@16:     }
Chris@16: };
Chris@16: 
Chris@16: } // namespace ut_detail
Chris@16: 
Chris@16: // ************************************************************************** //
Chris@16: // **************                  case_ins_eq                 ************** //
Chris@16: // ************************************************************************** //
Chris@16: 
Chris@16: template<class CharT>
Chris@16: inline bool
Chris@16: case_ins_eq( basic_cstring<CharT> x, basic_cstring<CharT> y )
Chris@16: {
Chris@16:     return x.size() == y.size() && ut_detail::case_ins<CharT>::compare( x.begin(), y.begin(), x.size() ) == 0;
Chris@16: }
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: // ************************************************************************** //
Chris@16: // **************                 case_ins_less                ************** //
Chris@16: // ************************************************************************** //
Chris@16: 
Chris@16: template<class CharT>
Chris@16: class case_ins_less : public std::binary_function<basic_cstring<CharT>,basic_cstring<CharT>,bool>
Chris@16: {
Chris@16: public:
Chris@16:     bool operator()( basic_cstring<CharT> x, basic_cstring<CharT> y ) const
Chris@16:     {
Chris@16:         return x.size() != y.size() 
Chris@16:                 ? x.size() < y.size() 
Chris@16:                 : ut_detail::case_ins<CharT>::compare( x.begin(), y.begin(), x.size() ) < 0;
Chris@16:     }
Chris@16: };
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: // ************************************************************************** //
Chris@16: // **************                  operator <                  ************** //
Chris@16: // ************************************************************************** //
Chris@16: 
Chris@16: template<class CharT>
Chris@16: inline bool
Chris@16: operator <( boost::unit_test::basic_cstring<CharT> const& x,
Chris@16:             boost::unit_test::basic_cstring<CharT> const& y )
Chris@16: {
Chris@16:     typedef typename boost::unit_test::basic_cstring<CharT>::traits_type traits_type;
Chris@16:     return x.size() != y.size() 
Chris@16:             ? x.size() < y.size() 
Chris@16:             : traits_type::compare( x.begin(), y.begin(), x.size() ) < 0;
Chris@16: }
Chris@16: 
Chris@16: } // namespace unit_test
Chris@16: 
Chris@16: } // namespace boost
Chris@16: 
Chris@16: //____________________________________________________________________________//
Chris@16: 
Chris@16: #include <boost/test/detail/enable_warnings.hpp>
Chris@16: 
Chris@16: #endif // BOOST_TEST_BASIC_CSTRING_COMPARE_HPP_071894GER