1 /* $FreeBSD: src/include/histedit.h,v 1.5 1999/08/27 23:44:50 peter Exp $ */
2 /*	$NetBSD: histedit.h,v 1.5 1997/04/11 17:52:45 christos Exp $	*/
3 
4 /*-
5  * Copyright (c) 1992, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * This code is derived from software contributed to Berkeley by
9  * Christos Zoulas of Cornell University.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  * 3. All advertising materials mentioning features or use of this software
20  *    must display the following acknowledgement:
21  *	This product includes software developed by the University of
22  *	California, Berkeley and its contributors.
23  * 4. Neither the name of the University nor the names of its contributors
24  *    may be used to endorse or promote products derived from this software
25  *    without specific prior written permission.
26  *
27  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37  * SUCH DAMAGE.
38  *
39  *	@(#)histedit.h	8.2 (Berkeley) 1/3/94
40  */
41 
42 /*
43  * histedit.h: Line editor and history interface.
44  */
45 #ifndef _h_editline
46 #define _h_editline
47 
48 #include <sys/types.h>
49 #include <stdio.h>
50 
51 /*
52  * ==== Editing ====
53  */
54 typedef struct editline EditLine;
55 
56 /*
57  * For user-defined function interface
58  */
59 typedef struct lineinfo {
60     const char *buffer;
61     const char *cursor;
62     const char *lastchar;
63 } LineInfo;
64 
65 
66 /*
67  * EditLine editor function return codes.
68  * For user-defined function interface
69  */
70 #define	CC_NORM		0
71 #define	CC_NEWLINE	1
72 #define	CC_EOF		2
73 #define CC_ARGHACK	3
74 #define CC_REFRESH	4
75 #define	CC_CURSOR	5
76 #define	CC_ERROR	6
77 #define CC_FATAL	7
78 #define CC_REDISPLAY	8
79 
80 /*
81  * Initialization, cleanup, and resetting
82  */
83 EditLine	*el_init	__P((const char *, 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  * High level function internals control
97  * Parses argc, argv array and executes builtin editline commands
98  */
99 int		 el_parse	__P((EditLine *, int, char **));
100 
101 /*
102  * Low level editline access function
103  */
104 int 		 el_set		__P((EditLine *, int, ...));
105 
106 /*
107  * el_set/el_get parameters
108  */
109 #define EL_PROMPT	0	/* , el_pfunc_t);		*/
110 #define EL_TERMINAL	1	/* , const char *);		*/
111 #define EL_EDITOR	2	/* , const char *);		*/
112 #define EL_SIGNAL	3	/* , int);			*/
113 #define	EL_BIND		4	/* , const char *, ..., NULL);	*/
114 #define	EL_TELLTC	5	/* , const char *, ..., NULL);	*/
115 #define	EL_SETTC	6	/* , const char *, ..., NULL);	*/
116 #define	EL_ECHOTC	7	/* , const char *, ..., NULL);	*/
117 #define	EL_SETTY	8	/* , const char *, ..., NULL);	*/
118 #define	EL_ADDFN	9	/* , const char *, const char *	*/
119 				/* , el_func_t);		*/
120 #define EL_HIST		10	/* , hist_fun_t, const char *);	*/
121 
122 /*
123  * Source named file or $PWD/.editrc or $HOME/.editrc
124  */
125 int		el_source	__P((EditLine *, const char *));
126 
127 /*
128  * Must be called when the terminal changes size; If EL_SIGNAL
129  * is set this is done automatically otherwise it is the responsibility
130  * of the application
131  */
132 void		 el_resize	__P((EditLine *));
133 
134 void		 el_data_set	__P((EditLine *, void *));
135 void *		 el_data_get	__P((EditLine *));
136 
137 
138 /*
139  * User-defined function interface.
140  */
141 const LineInfo *el_line	__P((EditLine *));
142 int   		  el_insertstr	__P((EditLine *, char *));
143 void		  el_deletestr	__P((EditLine *, int));
144 
145 /*
146  * ==== History ====
147  */
148 
149 typedef struct history History;
150 
151 typedef struct HistEvent {
152     int 	  num;
153     const char *str;
154 } HistEvent;
155 
156 /*
157  * History access functions.
158  */
159 History *		history_init	__P((void));
160 void 			history_end	__P((History *));
161 
162 const HistEvent *	history		__P((History *, int, ...));
163 
164 #define H_FUNC		 0	/* , UTSL		*/
165 #define H_EVENT		 1	/* , const int);	*/
166 #define H_FIRST		 2	/* , void);		*/
167 #define H_LAST		 3	/* , void);		*/
168 #define H_PREV		 4	/* , void);		*/
169 #define H_NEXT		 5	/* , void);		*/
170 #define H_CURR		 6	/* , void);		*/
171 #define H_ADD		 7	/* , const char*);	*/
172 #define H_ENTER		 8	/* , const char*);	*/
173 #define H_END		 9	/* , void);		*/
174 #define H_NEXT_STR	10	/* , const char*);	*/
175 #define H_PREV_STR	11	/* , const char*);	*/
176 #define H_NEXT_EVENT	12	/* , const int);	*/
177 #define H_PREV_EVENT	13	/* , const int);	*/
178 #define H_LOAD		14	/* , const char *);	*/
179 #define H_SAVE		15	/* , const char *);	*/
180 #define H_CLEAR		16	/* , void);		*/
181 
182 #endif /* _h_editline */
183