/*

 * Copyright (C) the libgit2 contributors. All rights reserved.

 *

 * This file is part of libgit2, distributed under the GNU GPL v2 with

 * a Linking Exception. For full terms see the included COPYING file.

 */

#ifndef INCLUDE_diff_file_h__

#define INCLUDE_diff_file_h__

#include "common.h"

#include "diff.h"

#include "diff_driver.h"

#include "map.h"

/* expanded information for one side of a delta */

typedef struct {

	git_repository *repo;

	git_diff_file *file;

	git_diff_driver *driver;

	uint32_t flags;

	uint32_t opts_flags;

	git_off_t opts_max_size;

	git_iterator_type_t src;

	const git_blob *blob;

	git_map map;

} git_diff_file_content;

extern int git_diff_file_content__init_from_diff(

	git_diff_file_content *fc,

	git_diff *diff,

	git_diff_delta *delta,

	bool use_old);

typedef struct {

	const git_blob *blob;

	const void *buf;

	size_t buflen;

	const char *as_path;

} git_diff_file_content_src;

#define GIT_DIFF_FILE_CONTENT_SRC__BLOB(BLOB,PATH) { (BLOB),NULL,0,(PATH) }

#define GIT_DIFF_FILE_CONTENT_SRC__BUF(BUF,LEN,PATH) { NULL,(BUF),(LEN),(PATH) }

extern int git_diff_file_content__init_from_src(

	git_diff_file_content *fc,

	git_repository *repo,

	const git_diff_options *opts,

	const git_diff_file_content_src *src,

	git_diff_file *as_file);

/* this loads the blob/file-on-disk as needed */

extern int git_diff_file_content__load(

	git_diff_file_content *fc,

	git_diff_options *diff_opts);

/* this releases the blob/file-in-memory */

extern void git_diff_file_content__unload(git_diff_file_content *fc);

/* this unloads and also releases any other resources */

extern void git_diff_file_content__clear(git_diff_file_content *fc);

#endif