histedit.h revision 1.26 1 /* $NetBSD: histedit.h,v 1.26 2005/05/07 16:01:25 dsl 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. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * @(#)histedit.h 8.2 (Berkeley) 1/3/94
35 */
36
37 /*
38 * histedit.h: Line editor and history interface.
39 */
40 #ifndef _HISTEDIT_H_
41 #define _HISTEDIT_H_
42
43 #define LIBEDIT_MAJOR 2
44 #define LIBEDIT_MINOR 9
45
46 #include <sys/types.h>
47 #include <stdio.h>
48
49 /*
50 * ==== Editing ====
51 */
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 * EditLine editor function return codes.
66 * For user-defined function interface
67 */
68 #define CC_NORM 0
69 #define CC_NEWLINE 1
70 #define CC_EOF 2
71 #define CC_ARGHACK 3
72 #define CC_REFRESH 4
73 #define CC_CURSOR 5
74 #define CC_ERROR 6
75 #define CC_FATAL 7
76 #define CC_REDISPLAY 8
77 #define CC_REFRESH_BEEP 9
78
79 /*
80 * Initialization, cleanup, and resetting
81 */
82 EditLine *el_init(const char *, FILE *, FILE *, FILE *);
83 void el_end(EditLine *);
84 void el_reset(EditLine *);
85
86 /*
87 * Get a line, a character or push a string back in the input queue
88 */
89 const char *el_gets(EditLine *, int *);
90 int el_getc(EditLine *, char *);
91 void el_push(EditLine *, char *);
92
93 /*
94 * Beep!
95 */
96 void el_beep(EditLine *);
97
98 /*
99 * High level function internals control
100 * Parses argc, argv array and executes builtin editline commands
101 */
102 int el_parse(EditLine *, int, const char **);
103
104 /*
105 * Low level editline access functions
106 */
107 int el_set(EditLine *, int, ...);
108 int el_get(EditLine *, int, void *);
109 unsigned char _el_fn_complete(EditLine *, int);
110
111 /*
112 * el_set/el_get parameters
113 */
114 #define EL_PROMPT 0 /* , el_pfunc_t); */
115 #define EL_TERMINAL 1 /* , const char *); */
116 #define EL_EDITOR 2 /* , const char *); */
117 #define EL_SIGNAL 3 /* , int); */
118 #define EL_BIND 4 /* , const char *, ..., NULL); */
119 #define EL_TELLTC 5 /* , const char *, ..., NULL); */
120 #define EL_SETTC 6 /* , const char *, ..., NULL); */
121 #define EL_ECHOTC 7 /* , const char *, ..., NULL); */
122 #define EL_SETTY 8 /* , const char *, ..., NULL); */
123 #define EL_ADDFN 9 /* , const char *, const char * */
124 /* , el_func_t); */
125 #define EL_HIST 10 /* , hist_fun_t, const char *); */
126 #define EL_EDITMODE 11 /* , int); */
127 #define EL_RPROMPT 12 /* , el_pfunc_t); */
128 #define EL_GETCFN 13 /* , el_rfunc_t); */
129 #define EL_CLIENTDATA 14 /* , void *); */
130 #define EL_UNBUFFERED 15 /* , int); */
131 #define EL_PREP_TERM 16 /* , int); */
132
133 #define EL_BUILTIN_GETCFN (NULL)
134
135 /*
136 * Source named file or $PWD/.editrc or $HOME/.editrc
137 */
138 int el_source(EditLine *, const char *);
139
140 /*
141 * Must be called when the terminal changes size; If EL_SIGNAL
142 * is set this is done automatically otherwise it is the responsibility
143 * of the application
144 */
145 void el_resize(EditLine *);
146
147 /*
148 * User-defined function interface.
149 */
150 const LineInfo *el_line(EditLine *);
151 int el_insertstr(EditLine *, const char *);
152 void el_deletestr(EditLine *, int);
153
154
155 /*
156 * ==== History ====
157 */
158
159 typedef struct history History;
160
161 typedef struct HistEvent {
162 int num;
163 const char *str;
164 } HistEvent;
165
166 /*
167 * History access functions.
168 */
169 History * history_init(void);
170 void history_end(History *);
171
172 int history(History *, HistEvent *, int, ...);
173
174 #define H_FUNC 0 /* , UTSL */
175 #define H_SETSIZE 1 /* , const int); */
176 #define H_GETSIZE 2 /* , void); */
177 #define H_FIRST 3 /* , void); */
178 #define H_LAST 4 /* , void); */
179 #define H_PREV 5 /* , void); */
180 #define H_NEXT 6 /* , void); */
181 #define H_CURR 8 /* , const int); */
182 #define H_SET 7 /* , int); */
183 #define H_ADD 9 /* , const char *); */
184 #define H_ENTER 10 /* , const char *); */
185 #define H_APPEND 11 /* , const char *); */
186 #define H_END 12 /* , void); */
187 #define H_NEXT_STR 13 /* , const char *); */
188 #define H_PREV_STR 14 /* , const char *); */
189 #define H_NEXT_EVENT 15 /* , const int); */
190 #define H_PREV_EVENT 16 /* , const int); */
191 #define H_LOAD 17 /* , const char *); */
192 #define H_SAVE 18 /* , const char *); */
193 #define H_CLEAR 19 /* , void); */
194 #define H_SETUNIQUE 20 /* , int); */
195 #define H_GETUNIQUE 21 /* , void); */
196
197
198 /*
199 * ==== Tokenization ====
200 */
201
202 typedef struct tokenizer Tokenizer;
203
204 /*
205 * String tokenization functions, using simplified sh(1) quoting rules
206 */
207 Tokenizer *tok_init(const char *);
208 void tok_end(Tokenizer *);
209 void tok_reset(Tokenizer *);
210 int tok_line(Tokenizer *, const LineInfo *,
211 int *, const char ***, int *, int *);
212 int tok_str(Tokenizer *, const char *,
213 int *, const char ***);
214
215 #endif /* _HISTEDIT_H_ */
216