mgl_system_locale.h

[詳解]

// SPDX-License-Identifier: Zlib
/* ------------------------------------------------------------------------- */
/* ------------------------------------------------------------------------- */
 
#ifndef INCGUARD_MGL_SYSTEM_LOCALE_H_1614100027
#define INCGUARD_MGL_SYSTEM_LOCALE_H_1614100027
 
#include <mgl/event/mgl_event.h>
#include <mgl/mgl_environment.h>
#include <mgl/system/mgl_system_chrono.h>
#include <mgl/system/mgl_system_module_set.h>
 
namespace MGL::System
{
class Locale
{
public:
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    Locale() noexcept
        : _locale(ModuleSet::GetInstance().GetLocaleModule())
    {}
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    [[nodiscard]] Language GetLanguage() const noexcept
    {
        return _locale.GetLocaleInfo().language;
    }
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    [[nodiscard]] Language GetDefaultLanguage() const noexcept
    {
        return _locale.GetDefaultLocaleInfo().language;
    }
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    void SetLanguage(Language language) noexcept
    {
        auto &currentLocaleInfo = _locale.GetLocaleInfo();
        if (currentLocaleInfo.language != language)
        {
            currentLocaleInfo.language = language;
            Event::Notify(Event::NotifyType::ChangeLanguage, &currentLocaleInfo.language);
        }
    }
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    [[nodiscard]] int32_t GetTimeDifference() const noexcept
    {
        return _locale.GetLocaleInfo().timeDifference;
    }
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    [[nodiscard]] int32_t GetDefaultTimeDifference() const noexcept
    {
        return _locale.GetDefaultLocaleInfo().timeDifference;
    }
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    void SetTimeDifference(int32_t timeDifference) noexcept
    {
        _locale.GetLocaleInfo().timeDifference = timeDifference;
    }
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    DateTime GetLocalDateTime() noexcept
    {
        return {Chrono().GetCurrentEpochTime(), GetTimeDifference()};
    }
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    [[nodiscard]] uint8_t GetGroupingSize() const noexcept
    {
        return _locale.GetLocaleInfo().groupingSize;
    }
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    [[nodiscard]] uint8_t GetDefaultGroupingSize() const noexcept
    {
        return _locale.GetDefaultLocaleInfo().groupingSize;
    }
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    void SetGroupingSize(uint8_t groupingSize) noexcept
    {
        _locale.GetLocaleInfo().groupingSize = groupingSize;
    }
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    [[nodiscard]] const char *GetGroupingSeparator() const noexcept
    {
        return _locale.GetLocaleInfo().groupingSeparator.c_str();
    }
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    [[nodiscard]] const char *GetDefaultGroupingSeparator() const noexcept
    {
        return _locale.GetDefaultLocaleInfo().groupingSeparator.c_str();
    }
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    void SetGroupingSeparator(const char *separator) noexcept
    {
        _locale.GetLocaleInfo().groupingSeparator = separator;
    }
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    [[nodiscard]] const char *GetDecimalSeparator() const noexcept
    {
        return _locale.GetLocaleInfo().decimalSeparator.c_str();
    }
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    [[nodiscard]] const char *GetDefaultDecimalSeparator() const noexcept
    {
        return _locale.GetDefaultLocaleInfo().decimalSeparator.c_str();
    }
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    void SetDecimalSeparator(const char *separator) noexcept
    {
        _locale.GetLocaleInfo().decimalSeparator = separator;
    }
 
private:
    LocaleModuleInterface &_locale;
};
}    // namespace MGL::System
 
#endif    // INCGUARD_MGL_SYSTEM_LOCALE_H_1614100027
 
// vim: et ts=4 sw=4 sts=4