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Diffstat (limited to 'lib/configuration/configuration.h')
-rw-r--r-- | lib/configuration/configuration.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/lib/configuration/configuration.h b/lib/configuration/configuration.h new file mode 100644 index 0000000..4d58a90 --- /dev/null +++ b/lib/configuration/configuration.h @@ -0,0 +1,76 @@ +/* + * 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 <optional> +#include <string> +#include <vector> +#include <QString> +#include <boost/program_options.hpp> +#include <QStringList> + +class Configuration +{ +public: + explicit Configuration(); + ~Configuration(); + + bool read(const QString &path); + bool parse(int argc, const 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 desc.options(); + } + +private: + boost::program_options::options_description desc; + boost::program_options::variables_map vm; + + std::string m_homePath; +}; + +#endif // SMOLBOTE_CONFIGURATION_H |