view include/core/ini.h @ 137:69db40272acd

dep/animia: [WIP] huge refactor this WILL NOT compile, because lots of code has been changed and every API in the original codebase has been removed. note that this api setup is not exactly permanent...
author Paper <mrpapersonic@gmail.com>
date Fri, 10 Nov 2023 13:52:47 -0500
parents 7d3ad9529c4c
children 53211cb1e7f5
line wrap: on
line source

#ifndef __core__ini_h
#define __core__ini_h

#define MINI_CASE_SENSITIVE
#include "mini/ini.h"
#include "core/strings.h"
#include "gui/translate/anime.h"
#include "gui/translate/config.h"
#include <type_traits>
#include <string>

namespace INI {

/* very simple tutorial on how to give anyone who reads
   your code an aneurysm */
template< class... >  
using void_t = void;

template <typename T, typename = void>
struct is_toutf8string_available : std::false_type {};

template<typename T>
struct is_toutf8string_available<T,
		void_t<decltype(Strings::ToUtf8String(std::declval<T>()))>> : std::true_type {};

template <typename T, typename = void>
struct is_translation_available : std::false_type {};

template<typename T>
struct is_translation_available<T,
		void_t<decltype(Translate::ToString(std::declval<T>()))>> : std::true_type {};

template<typename T>
T GetIniValue(const mINI::INIStructure& ini, const std::string& section,
	          const std::string& value, const T& def) {
	if (!ini.has(section) || !ini.get(section).has(value))
		return def;

	const std::string val = ini.get(section).get(value);

	if constexpr (std::is_arithmetic<T>::value) {
		/* Integer? */
		if constexpr (std::is_same<T, bool>::value) {
			/* Boolean? */
			return Strings::ToBool(val, def);
		} else {
			/* Always fall back to long long */
			return Strings::ToInt<T>(val, def);
		}
	} else {
		return val;
	}
}

/* this should be able to handle most of our custom types */
template<typename T>
void SetIniValue(mINI::INIStructure& ini, const std::string& section,
	             const std::string& key, const T& value) {
	auto& ini_key = ini[section][key];

	if constexpr (is_translation_available<T>::value) {
		ini_key = Translate::ToString(value);
	} else if constexpr (std::is_same<T, std::string>::value) {
		ini_key = value;
	} else if constexpr (std::is_arithmetic<T>::value && !std::is_same<T, bool>::value) {
		ini_key = std::to_string(value);
	} else if constexpr (is_toutf8string_available<T>::value) {
		ini_key = Strings::ToUtf8String(value);
	}
}

}

#endif