/*
 * This file is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, version 2,
 * as published by the Free Software Foundation.
 *
 * In addition to the permissions in the GNU General Public License,
 * the authors give you unlimited permission to link the compiled
 * version of this file into combinations with other programs,
 * and to distribute those combinations without any restriction
 * coming from the use of this file.  (The General Public License
 * restrictions do apply in other respects; for example, they cover
 * modification of the file, and distribution when not linked into
 * a combined executable.)
 *
 * This file is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; see the file COPYING.  If not, write to
 * the Free Software Foundation, 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
 */

#ifndef INCLUDE_git_config_backend_h__
#define INCLUDE_git_config_backend_h__

#include "common.h"
#include "types.h"
#include "config.h"

GIT_BEGIN_DECL

struct git_config;

struct git_config_backend {
	struct git_config *cfg;
	/* Open means open the file/database and parse if necessary */
	int (*open)(struct git_config_backend *);
	int (* get)(struct git_config_backend *, const char *key, const char **value);
	int (* set)(struct git_config_backend *, const char *key, const char *value);
	int (*foreach)(struct git_config_backend *, int (*fn)(const char *, void *), void *data);
	void (*free)(struct git_config_backend *);
};

/**
 * Create a file-backed configuration backend
 *
 * @param out the new backend
 * @path where the config file is located
 */
GIT_EXTERN(int) git_config_backend_file(struct git_config_backend **out, const char *path);

GIT_END_DECL

#endif
