| // Copyright (c) 2017 Google Inc. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "source/util/string_utils.h" |
| |
| #include <algorithm> |
| #include <cstdint> |
| #include <type_traits> |
| |
| namespace spvtools { |
| namespace utils { |
| |
| std::string CardinalToOrdinal(size_t cardinal) { |
| const size_t mod10 = cardinal % 10; |
| const size_t mod100 = cardinal % 100; |
| std::string suffix; |
| if (mod10 == 1 && mod100 != 11) |
| suffix = "st"; |
| else if (mod10 == 2 && mod100 != 12) |
| suffix = "nd"; |
| else if (mod10 == 3 && mod100 != 13) |
| suffix = "rd"; |
| else |
| suffix = "th"; |
| |
| return ToString(cardinal) + suffix; |
| } |
| |
| std::pair<std::string, std::string> SplitFlagArgs(const std::string& flag) { |
| if (flag.size() < 2) return make_pair(flag, std::string()); |
| |
| // Detect the last dash before the pass name. Since we have to |
| // handle single dash options (-O and -Os), count up to two dashes. |
| size_t dash_ix = 0; |
| if (flag[0] == '-' && flag[1] == '-') |
| dash_ix = 2; |
| else if (flag[0] == '-') |
| dash_ix = 1; |
| |
| size_t ix = flag.find('='); |
| return (ix != std::string::npos) |
| ? make_pair(flag.substr(dash_ix, ix - 2), flag.substr(ix + 1)) |
| : make_pair(flag.substr(dash_ix), std::string()); |
| } |
| |
| } // namespace utils |
| } // namespace spvtools |