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41 lines
1.1 KiB
41 lines
1.1 KiB
/*****************************************************************************
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*
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* demo program - part of CLIPP (command line interfaces for modern C++)
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*
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* released under MIT license
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*
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* (c) 2017-2018 André Müller; foss@andremueller-online.de
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*
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*****************************************************************************/
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#include <iostream>
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#include <string>
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#include <clipp.h>
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int main(int argc, char* argv[])
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{
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using namespace clipp;
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using std::cout;
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std::string outfile = "a.out";
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bool align = false;
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auto cli = (
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(option("-o", "--out") & value("output file", outfile)) % "output filename",
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with_prefix("-f", option("align") >> [&]{ align = true; } |
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option("noalign") >> [&]{ align = false; } ) % "control alignment"
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);
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if(parse(argc, argv, cli)) {
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cout << "write to " << outfile
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<< " with" << (align ? "" : "out") << " alignment.\n";
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}
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else {
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auto fmt = doc_formatting{}
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.merge_alternative_flags_with_common_prefix(true);
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cout << make_man_page(cli, argv[0], fmt) << '\n';
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}
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}
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