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58 lines
1.8 KiB
58 lines
1.8 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 <vector>
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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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bool a = false, b = false;
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int i = 1, n = 0, m = 0;
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float x = 0.0f;
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auto cli = ( //INFORMAL description
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option("-a").set(a), //if(found("-a")) a = true;
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option("-b") >> b, //if(found("-b")) b = true;
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option("--toggle").call(flip(b)), //if(found("--toggle")) flip(b);
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//if(found("-z")) call_lambda("-z");
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option("-y").call([](const char* s) { cout << s << '\n'; }),
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//using 'operator()' instead of 'call'
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//if(found("bob")) call_lambda("bob");
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option("bob")([](std::string s) { cout << s; }),
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//for_each_occurence("-x arg", call_lambda(arg));
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option("-x") & values("X")([&](const char* s) { x = std::stof(s); }),
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//if(parsing_error_on("-z") call_lambda(get_errors())
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required("-z").if_missing([](){ cout << "-z is missing\n"; }),
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option("--all")
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>> []() { cout << "found --all\n"; }
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>> [](const char* s) { cout << "found flag " << s << '\n'; },
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value("n").set(n), //n = std::atoi(arg);
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option("-i") & value("#",i), //if(found("-i arg")) i = std::atoi(arg);
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option("-1").set(m,1), //if(found("-1")) m = 1;
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option("-2").set(m,2) //if(found("-2")) m = 2;
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);
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parse(argc, argv, cli);
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}
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