/*

* 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_patch_h__

#define INCLUDE_patch_h__

#include "git2/patch.h"

#include "array.h"

/* cached information about a hunk in a patch */

typedef struct git_patch_hunk {

	git_diff_hunk hunk;

	size_t line_start;

	size_t line_count;

} git_patch_hunk;

struct git_patch {

	git_refcount rc;

	git_repository *repo; /* may be null */

	git_diff_options diff_opts;

	git_diff_delta *delta;

	git_diff_binary binary;

	git_array_t(git_patch_hunk) hunks;

	git_array_t(git_diff_line) lines;

	size_t header_size;

	size_t content_size;

	size_t context_size;

	void (*free_fn)(git_patch *patch);

};

extern int git_patch__invoke_callbacks(

	git_patch *patch,

	git_diff_file_cb file_cb,

	git_diff_binary_cb binary_cb,

	git_diff_hunk_cb hunk_cb,

	git_diff_line_cb line_cb,

	void *payload);

extern int git_patch_line_stats(

	size_t *total_ctxt,

	size_t *total_adds,

	size_t *total_dels,

	const git_patch *patch);

/** Options for parsing patch files. */

typedef struct {

	/**

	 * The length of the prefix (in path segments) for the filenames.

	 * This prefix will be removed when looking for files.  The default is 1.

	 */

	uint32_t prefix_len;

} git_patch_options;

#define GIT_PATCH_OPTIONS_INIT { 1 }

extern void git_patch_free(git_patch *patch);

#endif