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