1 // Copyright (c) 2017 Google Inc. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #include <algorithm> 16 #include <cstdint> 17 #include <type_traits> 18 19 #include "util/string_utils.h" 20 21 namespace spvutils { 22 23 std::string CardinalToOrdinal(size_t cardinal) { 24 const size_t mod10 = cardinal % 10; 25 const size_t mod100 = cardinal % 100; 26 std::string suffix; 27 if (mod10 == 1 && mod100 != 11) 28 suffix = "st"; 29 else if (mod10 == 2 && mod100 != 12) 30 suffix = "nd"; 31 else if (mod10 == 3 && mod100 != 13) 32 suffix = "rd"; 33 else 34 suffix = "th"; 35 36 return ToString(cardinal) + suffix; 37 } 38 39 } // namespace spvutils 40