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| 1 | /* GATE PROJECT LICENSE: | ||
| 2 | +----------------------------------------------------------------------------+ | ||
| 3 | | Copyright(c) 2018-2025, Stefan Meislinger <sm@opengate.at> | | ||
| 4 | | All rights reserved. | | ||
| 5 | | | | ||
| 6 | | Redistribution and use in source and binary forms, with or without | | ||
| 7 | | modification, are permitted provided that the following conditions are met:| | ||
| 8 | | | | ||
| 9 | | 1. Redistributions of source code must retain the above copyright notice, | | ||
| 10 | | this list of conditions and the following disclaimer. | | ||
| 11 | | 2. Redistributions in binary form must reproduce the above copyright | | ||
| 12 | | notice, this list of conditions and the following disclaimer in the | | ||
| 13 | | documentation and/or other materials provided with the distribution. | | ||
| 14 | | | | ||
| 15 | | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"| | ||
| 16 | | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | | ||
| 17 | | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | | ||
| 18 | | ARE DISCLAIMED.IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE | | ||
| 19 | | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | | ||
| 20 | | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | | ||
| 21 | | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | | ||
| 22 | | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | | ||
| 23 | | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | | ||
| 24 | | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | | ||
| 25 | | THE POSSIBILITY OF SUCH DAMAGE. | | ||
| 26 | +----------------------------------------------------------------------------+ | ||
| 27 | */ | ||
| 28 | |||
| 29 | /** @file | ||
| 30 | * @brief Generic type comparer functions for basic data types | ||
| 31 | * @ingroup gatecore_cpp | ||
| 32 | */ | ||
| 33 | |||
| 34 | #ifndef GATE_COMPARERS_HPP_INCLUDED | ||
| 35 | #define GATE_COMPARERS_HPP_INCLUDED | ||
| 36 | |||
| 37 | #include "gate/gatetypes.hpp" | ||
| 38 | |||
| 39 | namespace gate | ||
| 40 | { | ||
| 41 | |||
| 42 | /// @brief | ||
| 43 | /// @tparam T | ||
| 44 | template<class T> | ||
| 45 | class DefaultComparer | ||
| 46 | { | ||
| 47 | public: | ||
| 48 | 8916 | static int compare(T const& t1, T const& t2) | |
| 49 | { | ||
| 50 |
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8916 | if (t1 < t2) |
| 51 | { | ||
| 52 | 4234 | return -1; | |
| 53 | } | ||
| 54 |
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4682 | else if (t2 < t1) |
| 55 | { | ||
| 56 | 4658 | return 1; | |
| 57 | } | ||
| 58 | else | ||
| 59 | { | ||
| 60 | 24 | return 0; | |
| 61 | } | ||
| 62 | } | ||
| 63 | 3 | int operator()(T const& t1, T const& t2) const | |
| 64 | { | ||
| 65 | 3 | return DefaultComparer<T>::compare(t1, t2); | |
| 66 | } | ||
| 67 | |||
| 68 | 8913 | static int c_compare(void const* p1, void const* p2) | |
| 69 | { | ||
| 70 | 8913 | T const* t1 = static_cast<T const*>(p1); | |
| 71 | 8913 | T const* t2 = static_cast<T const*>(p2); | |
| 72 | |||
| 73 | 8913 | return DefaultComparer<T>::compare(*t1, *t2); | |
| 74 | } | ||
| 75 | }; | ||
| 76 | |||
| 77 | } // end of namespace gate | ||
| 78 | |||
| 79 | #endif | ||
| 80 |