[thirdparty/git.git] / xdiff / xdiff.h

/*
 *  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, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 *  Davide Libenzi <davidel@xmailserver.org>
 *
 */

#if !defined(XDIFF_H)
#define XDIFF_H

#ifdef __cplusplus
extern "C" {
#endif /* #ifdef __cplusplus */


#define XDF_NEED_MINIMAL (1 << 1)
#define XDF_IGNORE_WHITESPACE (1 << 2)
#define XDF_IGNORE_WHITESPACE_CHANGE (1 << 3)
#define XDF_IGNORE_WHITESPACE_AT_EOL (1 << 4)
#define XDF_WHITESPACE_FLAGS (XDF_IGNORE_WHITESPACE | XDF_IGNORE_WHITESPACE_CHANGE | XDF_IGNORE_WHITESPACE_AT_EOL)

#define XDL_PATCH_NORMAL '-'
#define XDL_PATCH_REVERSE '+'
#define XDL_PATCH_MODEMASK ((1 << 8) - 1)
#define XDL_PATCH_IGNOREBSPACE (1 << 8)

#define XDL_EMIT_FUNCNAMES (1 << 0)
#define XDL_EMIT_COMMON (1 << 1)

#define XDL_MMB_READONLY (1 << 0)

#define XDL_MMF_ATOMIC (1 << 0)

#define XDL_BDOP_INS 1
#define XDL_BDOP_CPY 2
#define XDL_BDOP_INSB 3

#define XDL_MERGE_MINIMAL 0
#define XDL_MERGE_EAGER 1
#define XDL_MERGE_ZEALOUS 2

typedef struct s_mmfile {
	char *ptr;
	long size;
} mmfile_t;

typedef struct s_mmbuffer {
	char *ptr;
	long size;
} mmbuffer_t;

typedef struct s_xpparam {
	unsigned long flags;
} xpparam_t;

typedef struct s_xdemitcb {
	void *priv;
	int (*outf)(void *, mmbuffer_t *, int);
} xdemitcb_t;

typedef long (*find_func_t)(const char *line, long line_len, char *buffer, long buffer_size, void *priv);

typedef struct s_xdemitconf {
	long ctxlen;
	unsigned long flags;
	find_func_t find_func;
	void *find_func_priv;
} xdemitconf_t;

typedef struct s_bdiffparam {
	long bsize;
} bdiffparam_t;


#define xdl_malloc(x) malloc(x)
#define xdl_free(ptr) free(ptr)
#define xdl_realloc(ptr,x) realloc(ptr,x)

void *xdl_mmfile_first(mmfile_t *mmf, long *size);
void *xdl_mmfile_next(mmfile_t *mmf, long *size);
long xdl_mmfile_size(mmfile_t *mmf);

int xdl_diff(mmfile_t *mf1, mmfile_t *mf2, xpparam_t const *xpp,
	     xdemitconf_t const *xecfg, xdemitcb_t *ecb);

int xdl_merge(mmfile_t *orig, mmfile_t *mf1, const char *name1,
		mmfile_t *mf2, const char *name2,
		xpparam_t const *xpp, int level, mmbuffer_t *result);

#ifdef __cplusplus
}
#endif /* #ifdef __cplusplus */

#endif /* #if !defined(XDIFF_H) */
Commit	Line	Data
3443546f LT	1	/*
	2	* LibXDiff by Davide Libenzi ( File Differential Library )
	3	* Copyright (C) 2003 Davide Libenzi
	4	*
	5	* This library is free software; you can redistribute it and/or
	6	* modify it under the terms of the GNU Lesser General Public
	7	* License as published by the Free Software Foundation; either
	8	* version 2.1 of the License, or (at your option) any later version.
	9	*
	10	* This library is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	* Lesser General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU Lesser General Public
	16	* License along with this library; if not, write to the Free Software
	17	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	18	*
	19	* Davide Libenzi <davidel@xmailserver.org>
	20	*
	21	*/
	22
	23	#if !defined(XDIFF_H)
	24	#define XDIFF_H
	25
	26	#ifdef __cplusplus
	27	extern "C" {
	28	#endif /* #ifdef __cplusplus */
	29
	30
	31	#define XDF_NEED_MINIMAL (1 << 1)
0d21efa5 JS	32	#define XDF_IGNORE_WHITESPACE (1 << 2)
0d21efa5 JS	33	#define XDF_IGNORE_WHITESPACE_CHANGE (1 << 3)
859f9c45 JS	34	#define XDF_IGNORE_WHITESPACE_AT_EOL (1 << 4)
859f9c45 JS	35	#define XDF_WHITESPACE_FLAGS (XDF_IGNORE_WHITESPACE \| XDF_IGNORE_WHITESPACE_CHANGE \| XDF_IGNORE_WHITESPACE_AT_EOL)
3443546f LT	36
	37	#define XDL_PATCH_NORMAL '-'
	38	#define XDL_PATCH_REVERSE '+'
	39	#define XDL_PATCH_MODEMASK ((1 << 8) - 1)
	40	#define XDL_PATCH_IGNOREBSPACE (1 << 8)
	41
acb72577	42	#define XDL_EMIT_FUNCNAMES (1 << 0)
a9ed376b	43	#define XDL_EMIT_COMMON (1 << 1)
acb72577	44
3443546f LT	45	#define XDL_MMB_READONLY (1 << 0)
	46
	47	#define XDL_MMF_ATOMIC (1 << 0)
	48
	49	#define XDL_BDOP_INS 1
	50	#define XDL_BDOP_CPY 2
	51	#define XDL_BDOP_INSB 3
	52
857b933e JS	53	#define XDL_MERGE_MINIMAL 0
	54	#define XDL_MERGE_EAGER 1
	55	#define XDL_MERGE_ZEALOUS 2
3443546f LT	56
	57	typedef struct s_mmfile {
	58	char *ptr;
	59	long size;
	60	} mmfile_t;
	61
	62	typedef struct s_mmbuffer {
	63	char *ptr;
	64	long size;
	65	} mmbuffer_t;
	66
	67	typedef struct s_xpparam {
	68	unsigned long flags;
	69	} xpparam_t;
	70
	71	typedef struct s_xdemitcb {
	72	void *priv;
	73	int (outf)(void , mmbuffer_t *, int);
	74	} xdemitcb_t;
	75
f258475a JH	76	typedef long (find_func_t)(const char line, long line_len, char buffer, long buffer_size, void priv);
f258475a JH	77
3443546f LT	78	typedef struct s_xdemitconf {
3443546f LT	79	long ctxlen;
acb72577	80	unsigned long flags;
f258475a JH	81	find_func_t find_func;
f258475a JH	82	void *find_func_priv;
3443546f LT	83	} xdemitconf_t;
	84
	85	typedef struct s_bdiffparam {
	86	long bsize;
	87	} bdiffparam_t;
	88
	89
	90	#define xdl_malloc(x) malloc(x)
	91	#define xdl_free(ptr) free(ptr)
	92	#define xdl_realloc(ptr,x) realloc(ptr,x)
	93
	94	void xdl_mmfile_first(mmfile_t mmf, long *size);
	95	void xdl_mmfile_next(mmfile_t mmf, long *size);
	96	long xdl_mmfile_size(mmfile_t *mmf);
	97
	98	int xdl_diff(mmfile_t mf1, mmfile_t mf2, xpparam_t const *xpp,
	99	xdemitconf_t const xecfg, xdemitcb_t ecb);
	100
857b933e JS	101	int xdl_merge(mmfile_t orig, mmfile_t mf1, const char *name1,
	102	mmfile_t mf2, const char name2,
	103	xpparam_t const xpp, int level, mmbuffer_t result);
	104
3443546f LT	105	#ifdef __cplusplus
	106	}
	107	#endif /* #ifdef __cplusplus */
	108
	109	#endif /* #if !defined(XDIFF_H) */