/******************************************************************************
 *
 *                Copyright (c) 2017-2019 by Löwenware Ltd
 *             Please, refer LICENSE file for legal information
 *
 ******************************************************************************/

/**
 * @file config.h
 * @author Ilja Kartašov <ik@lowenware.com>
 * @brief 
 *
 * @see https://lowenware.com/
 */

#include "retcode.h"


#ifndef CSTUFF_CONFIG_H_6207A85E_26F1_4B64_818F_92C6286FC5F0
#define CSTUFF_CONFIG_H_6207A85E_26F1_4B64_818F_92C6286FC5F0

#ifndef CSTUFF_CONFIG_PATH_SIZE
#define CSTUFF_CONFIG_PATH_SIZE 64
#endif

typedef enum {
	  CSTUFF_CONFIG_NONE
	, CSTUFF_CONFIG_NODE
	, CSTUFF_CONFIG_PAIR
	, CSTUFF_CONFIG_ERROR
} CStuffConfigEvent;

struct cstuff_config_node {
	const char *name;
	int name_len;
};

struct cstuff_config_pair {
	const char *key;
	const char *val;
	int key_len;
	int val_len;
};

struct cstuff_config_error {
	const char *line_txt;
	const char *err_txt;
	int char_num;
};

struct cstuff_config {
	CStuffConfigEvent evt;
	int line_num;
	union {
		struct cstuff_config_node node;
		struct cstuff_config_pair pair;
		struct cstuff_config_error error;
	} data;
};

typedef struct cstuff_config * CStuffConfig;


typedef int
(* CStuffConfigCallback)(struct cstuff_config *config, void *u_ptr);


CStuffRetcode
cstuff_config_parse(const char *file, CStuffConfigCallback callback, void *u_ptr);


#endif /* !CSTUFF_CONFIG_H */