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Copy pathBaseSettingsProgramOptions.h
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85 lines (74 loc) · 3.81 KB
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#pragma once
#include <Core/Types_fwd.h>
#include <boost/program_options.hpp>
namespace DB
{
template <typename T>
void addProgramOptionAsMultitoken(T &cmd_settings, boost::program_options::options_description & options, std::string_view name, const typename T::SettingFieldRef & field)
{
auto on_program_option = boost::function1<void, const Strings &>([&cmd_settings, name](const Strings & values) { cmd_settings.set(name, values.back()); });
if (field.getTypeName() == "Bool")
{
options.add(
boost::shared_ptr<boost::program_options::option_description>(new boost::program_options::option_description(
name.data(), /// NOLINT(bugprone-suspicious-stringview-data-usage)
boost::program_options::value<Strings>()
->multitoken()
->composing()
->implicit_value(std::vector<std::string>{"1"}, "1")
->notifier(on_program_option),
field.getDescription().data()))); /// NOLINT(bugprone-suspicious-stringview-data-usage)
}
else
{
options.add(
boost::shared_ptr<boost::program_options::option_description>(new boost::program_options::option_description(
name.data(), /// NOLINT(bugprone-suspicious-stringview-data-usage)
boost::program_options::value<Strings>()->multitoken()->composing()->notifier(on_program_option),
field.getDescription().data()))); /// NOLINT(bugprone-suspicious-stringview-data-usage)
}
}
template <typename T>
void addProgramOptionsAsMultitokens(T &cmd_settings, boost::program_options::options_description & options)
{
const auto & settings_to_aliases = T::Traits::settingsToAliases();
for (const auto & field : cmd_settings.all())
{
std::string_view name = field.getName();
addProgramOptionAsMultitoken(cmd_settings, options, name, field);
if (auto it = settings_to_aliases.find(name); it != settings_to_aliases.end())
for (const auto alias : it->second)
addProgramOptionAsMultitoken(cmd_settings, options, alias, field);
}
}
/// Adds program options to set the settings from a command line.
/// (Don't forget to call notify() on the `variables_map` after parsing it!)
template <typename T>
void addProgramOption(T & cmd_settings, boost::program_options::options_description & options, std::string_view name, const typename T::SettingFieldRef & field)
{
auto on_program_option = boost::function1<void, const std::string &>([&cmd_settings, name](const std::string & value) { cmd_settings.set(name, value); });
if (field.getTypeName() == "Bool")
{
options.add(boost::shared_ptr<boost::program_options::option_description>(new boost::program_options::option_description(
name.data(), boost::program_options::value<std::string>()->composing()->implicit_value("1")->notifier(on_program_option), field.getDescription().data()))); // NOLINT
}
else
{
options.add(boost::shared_ptr<boost::program_options::option_description>(new boost::program_options::option_description(
name.data(), boost::program_options::value<std::string>()->composing()->notifier(on_program_option), field.getDescription().data()))); // NOLINT
}
}
template <typename T>
void addProgramOptions(T &cmd_settings, boost::program_options::options_description & options)
{
const auto & settings_to_aliases = T::Traits::settingsToAliases();
for (const auto & field : cmd_settings.all())
{
std::string_view name = field.getName();
addProgramOption(cmd_settings, options, name, field);
if (auto it = settings_to_aliases.find(name); it != settings_to_aliases.end())
for (const auto alias : it->second)
addProgramOption(cmd_settings, options, alias, field);
}
}
}