platform.h

#pragma once
 
#include "pixelbullet/core/platform_paths.h"
 
#include <cstdint>
#include <cstdlib>
#include <ctime>
#include <string>
#include <string_view>
 
namespace pixelbullet::platform
{
enum class HostPlatform : uint8_t
{
    Windows,
    Linux
};
 
#if defined(_WIN32)
inline constexpr HostPlatform current_platform = HostPlatform::Windows;
#elif defined(__linux__)
inline constexpr HostPlatform current_platform = HostPlatform::Linux;
#else
#error "Unsupported platform"
#endif
 
uint32_t process_id();
std::tm to_local_time(std::time_t value);
std::tm to_utc_time(std::time_t value);
 
inline std::string read_environment_variable(const char* name)
{
    if (const char* value = std::getenv(name))
    {
        return value;
    }
 
    return {};
}
 
inline std::filesystem::path platform_path_component(const std::string_view windows_component, const std::string_view linux_component)
{
#if defined(_WIN32)
    (void)linux_component;
    return std::filesystem::path(windows_component);
#else
    (void)windows_component;
    return std::filesystem::path(linux_component);
#endif
}
 
} // namespace pixelbullet::platform