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#pragma once
#include "platform/string_storage_base.hpp"
#include "base/macros.hpp"
#include "std/string.hpp"
namespace settings
{
/// Current location state mode. @See location::EMyPositionMode.
extern char const * kLocationStateMode;
/// Metric or Feet.
extern char const * kMeasurementUnits;
template <class T>
bool FromString(string const & str, T & outValue);
template <class T>
string ToString(T const & value);
class StringStorage : public platform::StringStorageBase
{
public:
static StringStorage & Instance();
private:
StringStorage();
};
/// Retrieve setting
/// @return false if setting is absent
template <class Value>
WARN_UNUSED_RESULT bool Get(string const & key, Value & outValue)
{
string strVal;
return StringStorage::Instance().GetValue(key, strVal) && FromString(strVal, outValue);
}
template <class Value>
void TryGet(string const & key, Value & outValue)
{
bool unused = Get(key, outValue);
UNUSED_VALUE(unused);
}
/// Automatically saves setting to external file
template <class Value>
void Set(string const & key, Value const & value)
{
StringStorage::Instance().SetValue(key, ToString(value));
}
inline void Delete(string const & key) { StringStorage::Instance().DeleteKeyAndValue(key); }
inline void Clear() { StringStorage::Instance().Clear(); }
/// Use this function for running some stuff once according to date.
/// @param[in] date Current date in format yymmdd.
bool IsFirstLaunchForDate(int date);
}
namespace marketing
{
class Settings : public platform::StringStorageBase
{
public:
template <class Value>
static void Set(string const & key, Value const & value)
{
Instance().SetValue(key, settings::ToString(value));
}
template <class Value>
WARN_UNUSED_RESULT static bool Get(string const & key, Value & outValue)
{
string strVal;
return Instance().GetValue(key, strVal) && settings::FromString(strVal, outValue);
}
private:
static Settings & Instance();
Settings();
};
} // namespace marketing
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