#ifndef INCLUDE_blame_h__

#define INCLUDE_blame_h__

#include "git2/blame.h"

#include "common.h"

#include "vector.h"

#include "diff.h"

#include "array.h"

#include "git2/oid.h"

/*

 * One blob in a commit that is being suspected

 */

typedef struct git_blame__origin {

	int refcnt;

	struct git_blame__origin *previous;

	git_commit *commit;

	git_blob *blob;

	char path[GIT_FLEX_ARRAY];

} git_blame__origin;

/*

 * Each group of lines is described by a git_blame__entry; it can be split

 * as we pass blame to the parents.  They form a linked list in the

 * scoreboard structure, sorted by the target line number.

 */

typedef struct git_blame__entry {

	struct git_blame__entry *prev;

	struct git_blame__entry *next;

	/* the first line of this group in the final image;

	 * internally all line numbers are 0 based.

	 */

	size_t lno;

	/* how many lines this group has */

	size_t num_lines;

	/* the commit that introduced this group into the final image */

	git_blame__origin *suspect;

	/* true if the suspect is truly guilty; false while we have not

	 * checked if the group came from one of its parents.

	 */

	bool guilty;

	/* true if the entry has been scanned for copies in the current parent

	 */

	bool scanned;

	/* the line number of the first line of this group in the

	 * suspect's file; internally all line numbers are 0 based.

	 */

	size_t s_lno;

	/* how significant this entry is -- cached to avoid

	 * scanning the lines over and over.

	 */

	unsigned score;

	/* Whether this entry has been tracked to a boundary commit.

	 */

	bool is_boundary;

} git_blame__entry;

struct git_blame {

	char *path;

	git_repository *repository;

	git_blame_options options;

	git_vector hunks;

	git_vector paths;

	git_blob *final_blob;

	git_array_t(size_t) line_index;

	size_t current_diff_line;

	git_blame_hunk *current_hunk;

	/* Scoreboard fields */

	git_commit *final;

	git_blame__entry *ent;

	int num_lines;

	const char *final_buf;

	git_off_t final_buf_size;

};

git_blame *git_blame__alloc(

	git_repository *repo,

	git_blame_options opts,

	const char *path);

#endif