summaryrefslogtreecommitdiff
path: root/lib/libedit/histedit.h
blob: 9e29d30045ac37d82e2fa367d2ca1d07d9113d39 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
/*	$OpenBSD: histedit.h,v 1.4 1997/03/14 05:12:50 millert Exp $	*/
/*	$NetBSD: histedit.h,v 1.4 1997/01/14 04:17:24 lukem Exp $	*/

/*-
 * Copyright (c) 1992, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Christos Zoulas of Cornell University.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)histedit.h	8.2 (Berkeley) 1/3/94
 */

/*
 * histedit.h: Line editor and history interface.
 */
#ifndef _h_editline
#define _h_editline

#include <sys/types.h>
#include <stdio.h>

/*
 * ==== Editing ====
 */
typedef struct editline EditLine;

/*
 * For user-defined function interface
 */
typedef struct lineinfo {
    __const char *buffer;
    __const char *cursor;
    __const char *lastchar;
} LineInfo;


/*
 * EditLine editor function return codes.
 * For user-defined function interface
 */
#define	CC_NORM		0
#define	CC_NEWLINE	1
#define	CC_EOF		2
#define CC_ARGHACK	3
#define CC_REFRESH	4
#define	CC_CURSOR	5
#define	CC_ERROR	6
#define CC_FATAL	7
#define CC_REDISPLAY	8

/*
 * Initialization, cleanup, and resetting
 */
EditLine	*el_init	__P((const char *, FILE *, FILE *));
void		 el_reset	__P((EditLine *));
void		 el_end		__P((EditLine *));


/*
 * Get a line, a character or push a string back in the input queue
 */
__const char    *el_gets	__P((EditLine *, int *));
int		 el_getc	__P((EditLine *, char *));
void		 el_push	__P((EditLine *, const char *));

/*
 * High level function internals control
 * Parses argc, argv array and executes builtin editline commands
 */
int		 el_parse	__P((EditLine *, int, char **)); 

/*
 * Low level editline access function
 */
int 		 el_set		__P((EditLine *, int, ...));

/*
 * el_set/el_get parameters
 */
#define EL_PROMPT	0	/* , el_pfunc_t);		*/
#define EL_TERMINAL	1	/* , const char *);		*/
#define EL_EDITOR	2	/* , const char *);		*/
#define EL_SIGNAL	3	/* , int);			*/
#define	EL_BIND		4	/* , const char *, ..., NULL);	*/
#define	EL_TELLTC	5	/* , const char *, ..., NULL);	*/
#define	EL_SETTC	6	/* , const char *, ..., NULL);	*/
#define	EL_ECHOTC	7	/* , const char *, ..., NULL);	*/
#define	EL_SETTY	8	/* , const char *, ..., NULL);	*/
#define	EL_ADDFN	9	/* , const char *, const char *	*/
				/* , el_func_t);		*/
#define EL_HIST		10	/* , hist_fun_t, const char *);	*/

/*
 * Source named file or $PWD/.editrc or $HOME/.editrc
 */
int		el_source	__P((EditLine *, const char *));

/*
 * Must be called when the terminal changes size; If EL_SIGNAL
 * is set this is done automatically otherwise it is the responsibility
 * of the application
 */
void		 el_resize	__P((EditLine *));


/*
 * User-defined function interface.
 */
__const LineInfo *el_line	__P((EditLine *));
int   		  el_insertstr	__P((EditLine *, char *));
void		  el_deletestr	__P((EditLine *, int));

/*
 * ==== History ====
 */

typedef struct history History;

typedef struct HistEvent {
    int 	  num;
    __const char *str;
} HistEvent;

/*
 * History access functions.
 */
History *		history_init	__P((void));
void 			history_end	__P((History *));

__const HistEvent *	history		__P((History *, int, ...));

#define H_FUNC		 0	/* , UTSL		*/
#define H_EVENT		 1	/* , const int);	*/
#define H_FIRST		 2	/* , void);		*/
#define H_LAST		 3	/* , void);		*/
#define H_PREV		 4	/* , void);		*/
#define H_NEXT		 5	/* , void);		*/
#define H_CURR		 6	/* , void);		*/
#define H_ADD		 7	/* , const char*);	*/
#define H_ENTER		 8	/* , const char*);	*/
#define H_END		 9	/* , void);		*/
#define H_NEXT_STR	10	/* , const char*);	*/
#define H_PREV_STR	11	/* , const char*);	*/
#define H_NEXT_EVENT	12	/* , const int);	*/
#define H_PREV_EVENT	13	/* , const int);	*/
#define H_LOAD		14	/* , const char *);	*/
#define H_SAVE		15	/* , const char *);	*/
#define H_CLEAR		16	/* , void);		*/

#endif /* _h_editline */