ini-config/ini-config.h

#ifndef INI_CONFIG_H
#define INI_CONFIG_H

#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include <stdbool.h>
#include <minIni.h>

typedef struct {
	void* serialize;
	void* deserialize;
} INI_ConfigSerializerPair;

struct INI_ConfigItem;

typedef void INI_ConfigLoadType(struct INI_ConfigItem*, const char*);

typedef enum {
	INI_CONFIG_SAVE_ITEM_ERROR = -1,
	INI_CONFIG_SAVE_ITEM_OK,
} INI_ConfigSaveItemResult;

typedef INI_ConfigSaveItemResult INI_ConfigSaveType(struct INI_ConfigItem*, const char*);

typedef void INI_ConfigOverrideType(struct INI_ConfigItem*, uint8_t, const char*[]);
typedef struct {
	size_t size;
	INI_ConfigLoadType* load;
	INI_ConfigSaveType* save;
	INI_ConfigOverrideType* override;
} INI_ConfigTypeFns;

typedef struct INI_ConfigItem {
	INI_ConfigTypeFns fns;
	const char* section;
	const char* key;
	const char* cmdline_option;
	const void* default_value;
	void* validator;
	INI_ConfigSerializerPair transformer;
	void* dest;
} INI_ConfigItem;

void INI_ConfigGetDefaultPath(char*, size_t);

const char* INI_ConfigGetCommandlineOption(uint8_t, const char*[], const char*);

typedef enum {
	INI_CONFIG_INITIALIZE_RESULT_ERROR = -1,
	INI_CONFIG_INITIALIZE_RESULT_OK,
	INI_CONFIG_INITIALIZE_RESULT_WARNING
} INI_ConfigInitializeResult;

INI_ConfigInitializeResult INI_ConfigInitialize(INI_ConfigItem[], const char*, uint8_t, const char*[]);

typedef int32_t INI_ConfigSaveResult;

INI_ConfigSaveResult INI_ConfigSave(INI_ConfigItem[], const char*);

void INI_ConfigLoadU8(INI_ConfigItem*, const char*);
void INI_ConfigLoadU16(INI_ConfigItem*, const char*);
void INI_ConfigLoadI32(INI_ConfigItem*, const char*);
void INI_ConfigLoadString(INI_ConfigItem*, const char*);

INI_ConfigSaveItemResult INI_ConfigSaveU8(INI_ConfigItem*, const char*);
INI_ConfigSaveItemResult INI_ConfigSaveU16(INI_ConfigItem*, const char*);
INI_ConfigSaveItemResult INI_ConfigSaveI32(INI_ConfigItem*, const char*);
INI_ConfigSaveItemResult INI_ConfigSaveString(INI_ConfigItem*, const char*);

void INI_ConfigOverrideU8(INI_ConfigItem*, uint8_t, const char*[]);
void INI_ConfigOverrideU16(INI_ConfigItem*, uint8_t, const char*[]);
void INI_ConfigOverrideI32(INI_ConfigItem*, uint8_t, const char*[]);
void INI_ConfigOverrideString(INI_ConfigItem*, uint8_t, const char*[]);

#define INI_CONFIG_TYPE_FNS_I32 (INI_ConfigTypeFns) { \
	.size = sizeof(int32_t), \
	.load = INI_ConfigLoadI32, \
	.save = INI_ConfigSaveI32, \
	.override = INI_ConfigOverrideI32, \
}

#define INI_CONFIG_TYPE_FNS_U16 (INI_ConfigTypeFns) { \
	.size = sizeof(uint16_t), \
	.load = INI_ConfigLoadU16, \
	.save = INI_ConfigSaveU16, \
	.override = INI_ConfigOverrideU16, \
}

#define INI_CONFIG_TYPE_FNS_U8 (INI_ConfigTypeFns) { \
	.size = sizeof(uint8_t), \
	.load = INI_ConfigLoadU8, \
	.save = INI_ConfigSaveU8, \
	.override = INI_ConfigOverrideU8, \
}

#define INI_CONFIG_TYPE_FNS_VOID (INI_ConfigTypeFns) { \
	.size = 0, \
	.load = NULL, \
	.save = NULL, \
	.override = NULL, \
}

#define INI_CONFIG_TYPE_FNS_STRING(X) (INI_ConfigTypeFns) { \
	.size = (X), \
	.load = INI_ConfigLoadString, \
	.save = INI_ConfigSaveString, \
	.override = INI_ConfigOverrideString, \
}

#define INI_CONFIG_ITEM_NULL (INI_ConfigItem) { \
  INI_CONFIG_TYPE_FNS_VOID, \
	NULL, \
	NULL, \
	NULL, \
	NULL, \
	NULL, \
	{ \
		.serialize = NULL, \
		.deserialize = NULL, \
	}, \
	NULL, \
}

#endif