view mercurial/thirdparty/xdiff/xdiffi.h @ 48746:18e69f224e4b

narrow: add support for merging add and remove outside of the tracked set

This extend f1eb77dceb36 to test and support the remaining action. Or, at least,
the simple incarnation of them.

Differential Revision: https://phab.mercurial-scm.org/D12181

/*
 *  LibXDiff by Davide Libenzi ( File Differential Library )
 *  Copyright (C) 2003  Davide Libenzi
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This library 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
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, see
 *  <http://www.gnu.org/licenses/>.
 *
 *  Davide Libenzi <[e-mail]>
 *
 */

#if !defined(XDIFFI_H)
#define XDIFFI_H


typedef struct s_diffdata {
	int64_t nrec;
	uint64_t const *ha;
	int64_t *rindex;
	char *rchg;
} diffdata_t;

typedef struct s_xdalgoenv {
	int64_t mxcost;
	int64_t snake_cnt;
	int64_t heur_min;
} xdalgoenv_t;

typedef struct s_xdchange {
	struct s_xdchange *next;
	int64_t i1, i2;
	int64_t chg1, chg2;
	int ignore;
} xdchange_t;



int xdl_recs_cmp(diffdata_t *dd1, int64_t off1, int64_t lim1,
		 diffdata_t *dd2, int64_t off2, int64_t lim2,
		 int64_t *kvdf, int64_t *kvdb, int need_min, xdalgoenv_t *xenv);
int xdl_do_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,
		xdfenv_t *xe);
int xdl_change_compact(xdfile_t *xdf, xdfile_t *xdfo, int64_t flags);
int xdl_build_script(xdfenv_t *xe, xdchange_t **xscr);
void xdl_free_script(xdchange_t *xscr);

#endif /* #if !defined(XDIFFI_H) */