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// 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 <algorithm>
#include <cstdint>
#include <type_traits>
#include "source/util/string_utils.h"
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
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