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/*
* This file is part of smolbote. It's copyrighted by the contributors recorded
* in the version control history of the file, available from its original
* location: https://neueland.iserlohn-fortress.net/smolbote.hg
*
* SPDX-License-Identifier: GPL-3.0
*/
#ifndef SMOLBOTE_CONFIGURATION_H
#define SMOLBOTE_CONFIGURATION_H
#include <QString>
#include <QStringList>
#include <QVariant>
#include <boost/program_options.hpp>
#include <optional>
#include <string>
#include <vector>
class Configuration
{
public:
explicit Configuration();
~Configuration();
bool parseConfigFile(const std::string &path);
bool parseCommandLine(int argc, char **argv);
template <typename T>
std::optional<T> value(const char *path) const
{
// if setting doesn't exist, we crash
// in debug builds, check if setting exists
#ifdef QT_DEBUG
if(vm.count(path) == 0) {
qWarning("value(%s) does not exist, probably crashing now", path);
}
#endif
if constexpr(std::is_same_v<T, std::string>) {
std::string r;
try {
r = vm[path].as<std::string>();
} catch(boost::bad_any_cast &) {
// try int
try {
r = std::to_string(vm[path].as<int>());
} catch(boost::bad_any_cast &) {
// try bool, and crash if not that either
r = vm[path].as<bool>() ? "true" : "false";
}
}
// check if it's a path
if(r.front() == '~') {
r.replace(0, 1, m_homePath);
}
return std::optional<std::string>(r);
} else
return std::optional<T>(vm[path].as<T>());
}
const std::vector<boost::shared_ptr<boost::program_options::option_description>> &options()
{
return configuration_desc.options();
}
QHash<QString, QString> section(const std::string &prefix) const;
QStringList positionalArguments() const
{
QStringList l;
if(vm.count("url")) {
std::vector<std::string> urls = vm["url"].as<std::vector<std::string>>();
for(const std::string &s : urls) {
l.append(QString::fromStdString(s));
}
}
return l;
}
private:
boost::program_options::options_description commandLine_desc;
boost::program_options::options_description configuration_desc;
boost::program_options::positional_options_description arguments_desc;
boost::program_options::variables_map vm;
std::string m_homePath;
};
#endif // SMOLBOTE_CONFIGURATION_H
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