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35aa92d71a
Update and test with some newer compilers and cmake versions --------- Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
// Copyright (c) 2017-2024, University of Cincinnati, developed by Henry Schreiner
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// under NSF AWARD 1414736 and by the respective contributors.
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// All rights reserved.
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//
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// SPDX-License-Identifier: BSD-3-Clause
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#include <CLI/CLI.hpp>
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#include <iostream>
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#include <map>
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#include <string>
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enum class Level : int { High, Medium, Low };
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// Defining operator<<() for your enum class (in this case for 'Level') overrides CLI11's enum streaming
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inline std::ostream &operator<<(std::ostream &os, const Level &level) {
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switch(level) {
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case Level::High:
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os << "High";
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break;
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case Level::Medium:
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os << "Medium";
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break;
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case Level::Low:
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os << "Low";
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break;
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}
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os << " (ft rom custom ostream)";
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return os;
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}
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int main(int argc, char **argv) {
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CLI::App app;
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Level level{Level::Low};
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// specify string->value mappings
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std::map<std::string, Level> map{{"high", Level::High}, {"medium", Level::Medium}, {"low", Level::Low}};
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// CheckedTransformer translates and checks whether the results are either in one of the strings or in one of the
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// translations already
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app.add_option("-l,--level", level, "Level settings")
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->required()
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->transform(CLI::CheckedTransformer(map, CLI::ignore_case));
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CLI11_PARSE(app, argc, argv);
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// CLI11's built in enum streaming can be used outside CLI11 like this:
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using CLI::enums::operator<<;
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std::cout << "Enum received: " << level << '\n';
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return 0;
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}
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