xref: /netbsd-src/lib/libedit/histedit.h (revision 89c5a767f8fc7a4633b2d409966e2becbb98ff92)
1 /*	$NetBSD: histedit.h,v 1.15 2000/02/28 17:41:05 chopps Exp $	*/
2 
3 /*-
4  * Copyright (c) 1992, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * Christos Zoulas of Cornell University.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the University of
21  *	California, Berkeley and its contributors.
22  * 4. Neither the name of the University nor the names of its contributors
23  *    may be used to endorse or promote products derived from this software
24  *    without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36  * SUCH DAMAGE.
37  *
38  *	@(#)histedit.h	8.2 (Berkeley) 1/3/94
39  */
40 
41 /*
42  * histedit.h: Line editor and history interface.
43  */
44 #ifndef _HISTEDIT_H_
45 #define _HISTEDIT_H_
46 
47 #include <sys/types.h>
48 #include <stdio.h>
49 
50 /*
51  * ==== Editing ====
52  */
53 typedef struct editline EditLine;
54 
55 /*
56  * For user-defined function interface
57  */
58 typedef struct lineinfo {
59     const char *buffer;
60     const char *cursor;
61     const char *lastchar;
62 } LineInfo;
63 
64 
65 /*
66  * EditLine editor function return codes.
67  * For user-defined function interface
68  */
69 #define	CC_NORM		0
70 #define	CC_NEWLINE	1
71 #define	CC_EOF		2
72 #define CC_ARGHACK	3
73 #define CC_REFRESH	4
74 #define	CC_CURSOR	5
75 #define	CC_ERROR	6
76 #define CC_FATAL	7
77 #define CC_REDISPLAY	8
78 #define CC_REFRESH_BEEP	9
79 
80 /*
81  * Initialization, cleanup, and resetting
82  */
83 EditLine	*el_init	__P((const char *, FILE *, FILE *, FILE *));
84 void		 el_reset	__P((EditLine *));
85 void		 el_end		__P((EditLine *));
86 
87 
88 /*
89  * Get a line, a character or push a string back in the input queue
90  */
91 const char	*el_gets	__P((EditLine *, int *));
92 int		 el_getc	__P((EditLine *, char *));
93 void		 el_push	__P((EditLine *, const char *));
94 
95 /*
96  * Beep!
97  */
98 void		 el_beep	__P((EditLine *));
99 
100 /*
101  * High level function internals control
102  * Parses argc, argv array and executes builtin editline commands
103  */
104 int		 el_parse	__P((EditLine *, int, char **));
105 
106 /*
107  * Low level editline access functions
108  */
109 int 		 el_set		__P((EditLine *, int, ...));
110 int 		 el_get		__P((EditLine *, int, void *));
111 
112 /*
113  * el_set/el_get parameters
114  */
115 #define EL_PROMPT	0	/* , el_pfunc_t);		*/
116 #define EL_TERMINAL	1	/* , const char *);		*/
117 #define EL_EDITOR	2	/* , const char *);		*/
118 #define EL_SIGNAL	3	/* , int);			*/
119 #define	EL_BIND		4	/* , const char *, ..., NULL);	*/
120 #define	EL_TELLTC	5	/* , const char *, ..., NULL);	*/
121 #define	EL_SETTC	6	/* , const char *, ..., NULL);	*/
122 #define	EL_ECHOTC	7	/* , const char *, ..., NULL);	*/
123 #define	EL_SETTY	8	/* , const char *, ..., NULL);	*/
124 #define	EL_ADDFN	9	/* , const char *, const char *	*/
125 				/* , el_func_t);		*/
126 #define EL_HIST		10	/* , hist_fun_t, const char *);	*/
127 #define EL_EDITMODE	11	/* , int);			*/
128 #define EL_RPROMPT	12	/* , el_pfunc_t);		*/
129 
130 /*
131  * Source named file or $PWD/.editrc or $HOME/.editrc
132  */
133 int		el_source	__P((EditLine *, const char *));
134 
135 /*
136  * Must be called when the terminal changes size; If EL_SIGNAL
137  * is set this is done automatically otherwise it is the responsibility
138  * of the application
139  */
140 void		 el_resize	__P((EditLine *));
141 
142 
143 /*
144  * User-defined function interface.
145  */
146 const LineInfo	*el_line	__P((EditLine *));
147 int   		 el_insertstr	__P((EditLine *, const char *));
148 void		 el_deletestr	__P((EditLine *, int));
149 
150 /*
151  * ==== History ====
152  */
153 
154 typedef struct history History;
155 
156 typedef struct HistEvent {
157     int 	 num;
158     const char	*str;
159 } HistEvent;
160 
161 /*
162  * History access functions.
163  */
164 History *	history_init	__P((void));
165 void 		history_end	__P((History *));
166 
167 int		history		__P((History *, HistEvent *, int, ...));
168 
169 #define H_FUNC		 0	/* , UTSL		*/
170 #define H_SETSIZE	 1	/* , const int);	*/
171 #define H_GETSIZE	 2	/* , void);		*/
172 #define H_FIRST		 3	/* , void);		*/
173 #define H_LAST		 4	/* , void);		*/
174 #define H_PREV		 5	/* , void);		*/
175 #define H_NEXT		 6	/* , void);		*/
176 #define H_CURR		 8	/* , const int);	*/
177 #define H_SET		 7	/* , void);		*/
178 #define H_ADD		 9	/* , const char *);	*/
179 #define H_ENTER		10	/* , const char *);	*/
180 #define H_APPEND	11	/* , const char *);	*/
181 #define H_END		12	/* , void);		*/
182 #define H_NEXT_STR	13	/* , const char *);	*/
183 #define H_PREV_STR	14	/* , const char *);	*/
184 #define H_NEXT_EVENT	15	/* , const int);	*/
185 #define H_PREV_EVENT	16	/* , const int);	*/
186 #define H_LOAD		17	/* , const char *);	*/
187 #define H_SAVE		18	/* , const char *);	*/
188 #define H_CLEAR		19	/* , void);		*/
189 
190 #endif /* _HISTEDIT_H_ */
191