Patrick Lühne
9fde2b8e1b
Starting from version 2.0.0, cxxopts returns a ParseResult object instead of storing the results directly within the Options structure. Additionally, Booleans are handled slightly differently. These two changes required some minor adjustment of the command-line argument parsing code.
72 lines
1.6 KiB
C++
72 lines
1.6 KiB
C++
#ifndef __PLASP_APP__COMMAND_H
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#define __PLASP_APP__COMMAND_H
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#include <tuple>
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#include <cxxopts.hpp>
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#include <plasp-app/Utils.h>
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#include <plasp-app/Version.h>
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////////////////////////////////////////////////////////////////////////////////////////////////////
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//
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// Command
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//
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////////////////////////////////////////////////////////////////////////////////////////////////////
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template<class Derived, class... OptionGroups>
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class Command
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{
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public:
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void printHelp()
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{
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const auto numberOfOptionGroups = std::tuple_size<std::decay_t<decltype(m_optionGroups)>>();
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std::vector<std::string> optionGroupNames;
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optionGroupNames.reserve(numberOfOptionGroups + 1);
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optionGroupNames.emplace_back("");
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forEach(m_optionGroups,
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[&](auto &optionGroup)
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{
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optionGroupNames.emplace_back(optionGroup.Name);
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});
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std::cout << m_options.help(optionGroupNames) << std::endl;
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}
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protected:
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Command()
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: m_options(std::string("plasp ") + Derived::Name, std::string(Derived::Description) + ".")
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{
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forEach(m_optionGroups,
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[&](auto &optionGroup)
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{
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optionGroup.addTo(m_options);
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});
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}
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void parseOptions(int argc, char **argv)
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{
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const auto parseResult = m_options.parse(argc, argv);
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forEach(m_optionGroups,
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[&](auto &optionGroup)
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{
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optionGroup.read(parseResult);
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});
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}
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static void printVersion()
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{
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std::cout << Version << std::endl;
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}
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cxxopts::Options m_options;
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std::tuple<OptionGroups...> m_optionGroups;
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};
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////////////////////////////////////////////////////////////////////////////////////////////////////
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#endif
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