1  
 2  //              Copyright Catch2 Authors
 3  // Distributed under the Boost Software License, Version 1.0.
 4  //   (See accompanying file LICENSE.txt or copy at
 5  //        https://www.boost.org/LICENSE_1_0.txt)
 6  
 7  // SPDX-License-Identifier: BSL-1.0
 8  
 9  #include <catch2/internal/catch_case_insensitive_comparisons.hpp>
10  #include <catch2/internal/catch_string_manip.hpp>
11  
12  #include <algorithm>
13  
14  namespace Catch {
15      namespace Detail {
16  
17          bool CaseInsensitiveLess::operator()( StringRef lhs,
18                                                StringRef rhs ) const {
19              return std::lexicographical_compare(
20                  lhs.begin(), lhs.end(),
21                  rhs.begin(), rhs.end(),
22                  []( char l, char r ) { return toLower( l ) < toLower( r ); } );
23          }
24  
25          bool
26          CaseInsensitiveEqualTo::operator()( StringRef lhs,
27                                              StringRef rhs ) const {
28              return std::equal(
29                  lhs.begin(), lhs.end(),
30                  rhs.begin(), rhs.end(),
31                  []( char l, char r ) { return toLower( l ) == toLower( r ); } );
32          }
33  
34      } // namespace Detail
35  } // namespace Catch