Config.hpp
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#pragma once
// Distributed under the 3-Clause BSD License. See accompanying
// file LICENSE or https://github.com/CLIUtils/CLI11 for details.
#include <algorithm>
#include <fstream>
#include <iostream>
#include <string>
#include "CLI/App.hpp"
#include "CLI/ConfigFwd.hpp"
#include "CLI/StringTools.hpp"
namespace CLI {
inline std::string
ConfigINI::to_config(const App *app, bool default_also, bool write_description, std::string prefix) const {
std::stringstream out;
for(const Option *opt : app->get_options({})) {
// Only process option with a long-name and configurable
if(!opt->get_lnames().empty() && opt->get_configurable()) {
std::string name = prefix + opt->get_lnames()[0];
std::string value;
// Non-flags
if(opt->get_expected_min() != 0) {
// If the option was found on command line
if(opt->count() > 0)
value = detail::ini_join(opt->results());
// If the option has a default and is requested by optional argument
else if(default_also && !opt->get_default_str().empty())
value = opt->get_default_str();
// Flag, one passed
} else if(opt->count() == 1) {
value = "true";
// Flag, multiple passed
} else if(opt->count() > 1) {
value = std::to_string(opt->count());
// Flag, not present
} else if(opt->count() == 0 && default_also) {
value = "false";
}
if(!value.empty()) {
if(write_description && opt->has_description()) {
if(static_cast<int>(out.tellp()) != 0) {
out << std::endl;
}
out << "; " << detail::fix_newlines("; ", opt->get_description()) << std::endl;
}
// Don't try to quote anything that is not size 1
if(opt->get_items_expected_max() != 1)
out << name << "=" << value << std::endl;
else
out << name << "=" << detail::add_quotes_if_needed(value) << std::endl;
}
}
}
for(const App *subcom : app->get_subcommands({}))
out << to_config(subcom, default_also, write_description, prefix + subcom->get_name() + ".");
return out.str();
}
} // namespace CLI