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#pragma once
#include "export.hpp"
// included here to propagate into callers of options::group
#include "metatype.hpp"
#include <map>
#include <memory>
#include <QString>
#include <QList>
#include <QVariant>
#include <QSettings>
#include <QMutex>
namespace options {
// snapshot of qsettings group at given time
class OTR_OPTIONS_EXPORT group final
{
QString name;
static QString cur_ini_pathname;
static std::shared_ptr<QSettings> cur_ini;
static int ini_refcount;
static bool ini_modifiedp;
static QMutex cur_ini_mtx;
static std::shared_ptr<QSettings> cur_global_ini;
static int global_ini_refcount;
static bool global_ini_modifiedp;
static QMutex global_ini_mtx;
struct OTR_OPTIONS_EXPORT saver_ final
{
QSettings& s;
int& refcount;
bool& modifiedp;
never_inline ~saver_();
never_inline saver_(QSettings& s, int& refcount, bool& modifiedp);
};
static std::shared_ptr<QSettings> cur_settings_object();
static std::shared_ptr<QSettings> cur_global_settings_object();
public:
std::map<QString, QVariant> kvs;
group(const QString& name);
void save() const;
void put(const QString& s, const QVariant& d);
bool contains(const QString& s) const;
static QString ini_directory();
static QString ini_filename();
static QString ini_pathname();
static QString ini_combine(const QString& filename);
static QStringList ini_list();
static bool is_portable_installation();
static void mark_ini_modified();
template<typename t>
never_inline
t get(const QString& k) const
{
auto value = kvs.find(k);
if (value != kvs.cend())
return value->second.value<t>();
return t();
}
template<typename F>
never_inline
static auto with_settings_object(F&& fun)
{
QMutexLocker l(&cur_ini_mtx);
saver_ saver { *cur_settings_object(), ini_refcount, ini_modifiedp };
return fun(saver.s);
}
template<typename F>
static auto with_global_settings_object(F&& fun)
{
QMutexLocker l(&global_ini_mtx);
saver_ saver { *cur_global_settings_object(), global_ini_refcount, global_ini_modifiedp };
global_ini_modifiedp = true;
return fun(saver.s);
}
};
}
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