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5a03ee5838
This has been bounced around for a couple years now #474 and a few others have expressed desire to work with non-standard option names. We have been somewhat resistant to that but I think it can be done now. This PR adds a modifier `allow_non_standard_option_names()` It is purposely long, it is purposely off by default. But what it does is allow option names with a single `-` to act like a short option name. With this modifier enabled no single letter short option names are allowed to start with the same letter as a non-standard names. For example `-s` and `-single` would not be allowed. --------- Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: Henry Schreiner <HenrySchreinerIII@gmail.com>
39 lines
1.1 KiB
C++
39 lines
1.1 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 <memory>
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#include <string>
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class MyFormatter : public CLI::Formatter {
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public:
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MyFormatter() : Formatter() {}
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std::string make_option_opts(const CLI::Option *) const override { return " OPTION"; }
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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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app.set_help_all_flag("--help-all", "Show all help");
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auto fmt = std::make_shared<MyFormatter>();
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fmt->column_width(15);
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app.formatter(fmt);
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app.add_flag("--flag", "This is a flag");
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auto *sub1 = app.add_subcommand("one", "Description One");
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sub1->add_flag("--oneflag", "Some flag");
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auto *sub2 = app.add_subcommand("two", "Description Two");
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sub2->add_flag("--twoflag", "Some other flag");
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CLI11_PARSE(app, argc, argv);
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std::cout << "This app was meant to show off the formatter, run with -h" << '\n';
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return 0;
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}
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