#include <string.h>

#include "parser.h"
#include "debug.h"
#include "plugin_manager.h"

static struct parser_info *parser_list;

int register_parser(struct parser_info *info)
{
	struct parser_info *parser;

	if (!info->name) {
		pr_err("Unable to register parser without a name\n");
		return -1;
	}

	pr_info("Registering parser %s\n", info->name);

	if (!parser_list) {
		parser_list = info;
		return 0;
	}

	for (parser = parser_list; parser->next; parser = parser->next)
		;

	parser->next = info;
	info->next = NULL;

	return 0;
}

static struct parser_info *_str_to_parser(const char *str)
{
	struct parser_info *parser;

	for (parser = parser_list; parser; parser = parser->next) {
		if (!strcmp(str, parser->name))
			return parser;
	}

	return NULL;
}

struct parser_info *str_to_parser(const char *str)
{
	struct parser_info *parser;
	int ret;

	parser = _str_to_parser(str);

	if (parser)
		return parser;

	/* No parser found? Try loading a plugin */
	ret = load_parser_plugin(str);
	if (ret)
		return NULL;

	/* Try finding the parser again, maybe we got lucky and have it now */
	return _str_to_parser(str);
}