OptionFormatter.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 <string>
#include "CLI/Option.hpp"
#include "CLI/Formatter.hpp"
namespace CLI {
inline std::string OptionFormatter::make_name(const Option *opt, OptionFormatMode mode) const {
if(mode == OptionFormatMode::Optional)
return opt->get_name(false, true);
else
return opt->get_name(true, false);
}
inline std::string OptionFormatter::make_opts(const Option *opt) const {
std::stringstream out;
if(opt->get_type_size() != 0) {
if(!opt->get_typeval().empty())
out << " " << get_label(opt->get_typeval());
if(!opt->get_defaultval().empty())
out << "=" << opt->get_defaultval();
if(opt->get_expected() > 1)
out << " x " << opt->get_expected();
if(opt->get_expected() == -1)
out << " ...";
if(opt->get_required())
out << " " << get_label("REQUIRED");
}
if(!opt->get_envname().empty())
out << " (" << get_label("Env") << ":" << opt->get_envname() << ")";
if(!opt->get_needs().empty()) {
out << " " << get_label("Needs") << ":";
for(const Option *op : opt->get_needs())
out << " " << op->get_name();
}
if(!opt->get_excludes().empty()) {
out << " " << get_label("Excludes") << ":";
for(const Option *op : opt->get_excludes())
out << " " << op->get_name();
}
return out.str();
}
inline std::string OptionFormatter::make_desc(const Option *opt) const { return opt->get_description(); }
inline std::string OptionFormatter::make_usage(const Option *opt) const {
// Note that these are positionals usages
std::stringstream out;
out << make_name(opt, OptionFormatMode::Usage);
if(opt->get_expected() > 1)
out << "(" << std::to_string(opt->get_expected()) << "x)";
else if(opt->get_expected() < 0)
out << "...";
return opt->get_required() ? out.str() : "[" + out.str() + "]";
}
} // namespace CLI