histedit.h revision 1.41 1 /* $NetBSD: histedit.h,v 1.41 2009/09/07 21:24:33 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. 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 11
45
46 #include <sys/types.h>
47 #include <stdio.h>
48
49 #ifdef __cplusplus
50 extern "C" {
51 #endif
52
53 /*
54 * ==== Editing ====
55 */
56
57 typedef struct editline EditLine;
58
59 /*
60 * For user-defined function interface
61 */
62 typedef struct lineinfo {
63 const char *buffer;
64 const char *cursor;
65 const char *lastchar;
66 } LineInfo;
67
68 /*
69 * EditLine editor function return codes.
70 * For user-defined function interface
71 */
72 #define CC_NORM 0
73 #define CC_NEWLINE 1
74 #define CC_EOF 2
75 #define CC_ARGHACK 3
76 #define CC_REFRESH 4
77 #define CC_CURSOR 5
78 #define CC_ERROR 6
79 #define CC_FATAL 7
80 #define CC_REDISPLAY 8
81 #define CC_REFRESH_BEEP 9
82
83 /*
84 * Initialization, cleanup, and resetting
85 */
86 EditLine *el_init(const char *, FILE *, FILE *, FILE *);
87 void el_end(EditLine *);
88 void el_reset(EditLine *);
89
90 /*
91 * Get a line, a character or push a string back in the input queue
92 */
93 const char *el_gets(EditLine *, int *);
94 int el_getc(EditLine *, char *);
95 void el_push(EditLine *, const char *);
96
97 /*
98 * Beep!
99 */
100 void el_beep(EditLine *);
101
102 /*
103 * High level function internals control
104 * Parses argc, argv array and executes builtin editline commands
105 */
106 int el_parse(EditLine *, int, const char **);
107
108 /*
109 * Low level editline access functions
110 */
111 int el_set(EditLine *, int, ...);
112 int el_get(EditLine *, int, ...);
113 unsigned char _el_fn_complete(EditLine *, int);
114
115 /*
116 * el_set/el_get parameters
117 */
118 #define EL_PROMPT 0 /* , el_pfunc_t); */
119 #define EL_TERMINAL 1 /* , const char *); */
120 #define EL_EDITOR 2 /* , const char *); */
121 #define EL_SIGNAL 3 /* , int); */
122 #define EL_BIND 4 /* , const char *, ..., NULL); */
123 #define EL_TELLTC 5 /* , const char *, ..., NULL); */
124 #define EL_SETTC 6 /* , const char *, ..., NULL); */
125 #define EL_ECHOTC 7 /* , const char *, ..., NULL); */
126 #define EL_SETTY 8 /* , const char *, ..., NULL); */
127 #define EL_ADDFN 9 /* , const char *, const char * */
128 /* , el_func_t); */
129 #define EL_HIST 10 /* , hist_fun_t, const char *); */
130 #define EL_EDITMODE 11 /* , int); */
131 #define EL_RPROMPT 12 /* , el_pfunc_t); */
132 #define EL_GETCFN 13 /* , el_rfunc_t); */
133 #define EL_CLIENTDATA 14 /* , void *); */
134 #define EL_UNBUFFERED 15 /* , int); */
135 #define EL_PREP_TERM 16 /* , int); */
136 #define EL_GETTC 17 /* , const char *, ..., NULL); */
137 #define EL_GETFP 18 /* , int, FILE **); */
138 #define EL_SETFP 19 /* , int, FILE *); */
139 #define EL_REFRESH 20 /* , void); */
140 #define EL_PROMPT_ESC 21 /* , el_pfunc_t, char); */
141 #define EL_RPROMPT_ESC 22 /* , el_pfunc_t, char); */
142
143 #define EL_BUILTIN_GETCFN (NULL)
144
145 /*
146 * Source named file or $PWD/.editrc or $HOME/.editrc
147 */
148 int el_source(EditLine *, const char *);
149
150 /*
151 * Must be called when the terminal changes size; If EL_SIGNAL
152 * is set this is done automatically otherwise it is the responsibility
153 * of the application
154 */
155 void el_resize(EditLine *);
156
157 /*
158 * User-defined function interface.
159 */
160 const LineInfo *el_line(EditLine *);
161 int el_insertstr(EditLine *, const char *);
162 void el_deletestr(EditLine *, int);
163
164
165 /*
166 * ==== History ====
167 */
168
169 typedef struct history History;
170
171 typedef struct HistEvent {
172 int num;
173 const char *str;
174 } HistEvent;
175
176 /*
177 * History access functions.
178 */
179 History * history_init(void);
180 void history_end(History *);
181
182 int history(History *, HistEvent *, int, ...);
183
184 #define H_FUNC 0 /* , UTSL */
185 #define H_SETSIZE 1 /* , const int); */
186 #define H_GETSIZE 2 /* , void); */
187 #define H_FIRST 3 /* , void); */
188 #define H_LAST 4 /* , void); */
189 #define H_PREV 5 /* , void); */
190 #define H_NEXT 6 /* , void); */
191 #define H_CURR 8 /* , const int); */
192 #define H_SET 7 /* , int); */
193 #define H_ADD 9 /* , const char *); */
194 #define H_ENTER 10 /* , const char *); */
195 #define H_APPEND 11 /* , const char *); */
196 #define H_END 12 /* , void); */
197 #define H_NEXT_STR 13 /* , const char *); */
198 #define H_PREV_STR 14 /* , const char *); */
199 #define H_NEXT_EVENT 15 /* , const int); */
200 #define H_PREV_EVENT 16 /* , const int); */
201 #define H_LOAD 17 /* , const char *); */
202 #define H_SAVE 18 /* , const char *); */
203 #define H_CLEAR 19 /* , void); */
204 #define H_SETUNIQUE 20 /* , int); */
205 #define H_GETUNIQUE 21 /* , void); */
206 #define H_DEL 22 /* , int); */
207 #define H_NEXT_EVDATA 23 /* , const int, histdata_t *); */
208 #define H_DELDATA 24 /* , int, histdata_t *);*/
209 #define H_REPLACE 25 /* , const char *, histdata_t); */
210
211
212
213 /*
214 * ==== Tokenization ====
215 */
216
217 typedef struct tokenizer Tokenizer;
218
219 /*
220 * String tokenization functions, using simplified sh(1) quoting rules
221 */
222 Tokenizer *tok_init(const char *);
223 void tok_end(Tokenizer *);
224 void tok_reset(Tokenizer *);
225 int tok_line(Tokenizer *, const LineInfo *,
226 int *, const char ***, int *, int *);
227 int tok_str(Tokenizer *, const char *,
228 int *, const char ***);
229
230 #ifdef __cplusplus
231 }
232 #endif
233
234 #endif /* _HISTEDIT_H_ */
235