histedit.h revision 1.6 1 /* $NetBSD: histedit.h,v 1.6 1997/10/14 15:05:53 christos 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 _h_editline
45 #define _h_editline
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
79 /*
80 * Initialization, cleanup, and resetting
81 */
82 EditLine *el_init __P((const char *, FILE *, FILE *));
83 void el_reset __P((EditLine *));
84 void el_end __P((EditLine *));
85
86
87 /*
88 * Get a line, a character or push a string back in the input queue
89 */
90 const char *el_gets __P((EditLine *, int *));
91 int el_getc __P((EditLine *, char *));
92 void el_push __P((EditLine *, const char *));
93
94 /*
95 * High level function internals control
96 * Parses argc, argv array and executes builtin editline commands
97 */
98 int el_parse __P((EditLine *, int, char **));
99
100 /*
101 * Low level editline access function
102 */
103 int el_set __P((EditLine *, int, ...));
104
105 /*
106 * el_set/el_get parameters
107 */
108 #define EL_PROMPT 0 /* , el_pfunc_t); */
109 #define EL_TERMINAL 1 /* , const char *); */
110 #define EL_EDITOR 2 /* , const char *); */
111 #define EL_SIGNAL 3 /* , int); */
112 #define EL_BIND 4 /* , const char *, ..., NULL); */
113 #define EL_TELLTC 5 /* , const char *, ..., NULL); */
114 #define EL_SETTC 6 /* , const char *, ..., NULL); */
115 #define EL_ECHOTC 7 /* , const char *, ..., NULL); */
116 #define EL_SETTY 8 /* , const char *, ..., NULL); */
117 #define EL_ADDFN 9 /* , const char *, const char * */
118 /* , el_func_t); */
119 #define EL_HIST 10 /* , hist_fun_t, const char *); */
120
121 /*
122 * Source named file or $PWD/.editrc or $HOME/.editrc
123 */
124 int el_source __P((EditLine *, const char *));
125
126 /*
127 * Must be called when the terminal changes size; If EL_SIGNAL
128 * is set this is done automatically otherwise it is the responsibility
129 * of the application
130 */
131 void el_resize __P((EditLine *));
132
133
134 /*
135 * User-defined function interface.
136 */
137 const LineInfo *el_line __P((EditLine *));
138 int el_insertstr __P((EditLine *, char *));
139 void el_deletestr __P((EditLine *, int));
140
141 /*
142 * ==== History ====
143 */
144
145 typedef struct history History;
146
147 typedef struct HistEvent {
148 int num;
149 const char *str;
150 } HistEvent;
151
152 /*
153 * History access functions.
154 */
155 History * history_init __P((void));
156 void history_end __P((History *));
157
158 int history __P((History *, HistEvent *, int, ...));
159
160 #define H_FUNC 0 /* , UTSL */
161 #define H_SETMAXSIZE 1 /* , const int); */
162 #define H_FIRST 2 /* , void); */
163 #define H_LAST 3 /* , void); */
164 #define H_PREV 4 /* , void); */
165 #define H_NEXT 5 /* , void); */
166 #define H_CURR 6 /* , void); */
167 #define H_ADD 7 /* , const char*); */
168 #define H_ENTER 8 /* , const char*); */
169 #define H_END 9 /* , void); */
170 #define H_NEXT_STR 10 /* , const char*); */
171 #define H_PREV_STR 11 /* , const char*); */
172 #define H_NEXT_EVENT 12 /* , const int); */
173 #define H_PREV_EVENT 13 /* , const int); */
174 #define H_LOAD 14 /* , const char *); */
175 #define H_SAVE 15 /* , const char *); */
176 #define H_CLEAR 16 /* , void); */
177 #define H_GETSIZE 17 /* , void); */
178
179 #endif /* _h_editline */
180