initial commit

libs/CLI11/examples/formatter.cpp

@@ -0,0 +1,37 @@
+// Copyright (c) 2017-2022, University of Cincinnati, developed by Henry Schreiner
+// under NSF AWARD 1414736 and by the respective contributors.
+// All rights reserved.
+//
+// SPDX-License-Identifier: BSD-3-Clause
+
+#include <CLI/CLI.hpp>
+#include <iostream>
+#include <memory>
+
+class MyFormatter : public CLI::Formatter {
+  public:
+    MyFormatter() : Formatter() {}
+    std::string make_option_opts(const CLI::Option *) const override { return " OPTION"; }
+};
+
+int main(int argc, char **argv) {
+    CLI::App app;
+    app.set_help_all_flag("--help-all", "Show all help");
+
+    auto fmt = std::make_shared<MyFormatter>();
+    fmt->column_width(15);
+    app.formatter(fmt);
+
+    app.add_flag("--flag", "This is a flag");
+
+    auto *sub1 = app.add_subcommand("one", "Description One");
+    sub1->add_flag("--oneflag", "Some flag");
+    auto *sub2 = app.add_subcommand("two", "Description Two");
+    sub2->add_flag("--twoflag", "Some other flag");
+
+    CLI11_PARSE(app, argc, argv);
+
+    std::cout << "This app was meant to show off the formatter, run with -h" << std::endl;
+
+    return 0;
+}